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authorRoman Divacky <rdivacky@FreeBSD.org>2009-10-14 18:03:49 +0000
committerRoman Divacky <rdivacky@FreeBSD.org>2009-10-14 18:03:49 +0000
commit4c8b24812ddcd1dedaca343a6d4e76f91f398981 (patch)
tree137ebebcae16fb0ce7ab4af456992bbd8d22fced /lib
parent5362a71c02e7d448a8ce98cf00c47e353fba5d04 (diff)
downloadsrc-4c8b24812ddcd1dedaca343a6d4e76f91f398981.tar.gz
src-4c8b24812ddcd1dedaca343a6d4e76f91f398981.zip
Update clang to r84119.vendor/clang/clang-r84119
Notes
Notes: svn path=/vendor/clang/dist/; revision=198092 svn path=/vendor/clang/clang-84119/; revision=198093; tag=vendor/clang/clang-r84119
Diffstat (limited to 'lib')
-rw-r--r--lib/AST/APValue.cpp16
-rw-r--r--lib/AST/ASTContext.cpp2766
-rw-r--r--lib/AST/CMakeLists.txt11
-rw-r--r--lib/AST/CXXInheritance.cpp244
-rw-r--r--lib/AST/Decl.cpp509
-rw-r--r--lib/AST/DeclBase.cpp164
-rw-r--r--lib/AST/DeclCXX.cpp610
-rw-r--r--lib/AST/DeclObjC.cpp440
-rw-r--r--lib/AST/DeclPrinter.cpp244
-rw-r--r--lib/AST/DeclTemplate.cpp206
-rw-r--r--lib/AST/DeclarationName.cpp44
-rw-r--r--lib/AST/Expr.cpp797
-rw-r--r--lib/AST/ExprCXX.cpp274
-rw-r--r--lib/AST/ExprConstant.cpp284
-rw-r--r--lib/AST/InheritViz.cpp10
-rw-r--r--lib/AST/NestedNameSpecifier.cpp61
-rw-r--r--lib/AST/ParentMap.cpp10
-rw-r--r--lib/AST/RecordLayoutBuilder.cpp674
-rw-r--r--lib/AST/RecordLayoutBuilder.h146
-rw-r--r--lib/AST/Stmt.cpp80
-rw-r--r--lib/AST/StmtDumper.cpp143
-rw-r--r--lib/AST/StmtIterator.cpp40
-rw-r--r--lib/AST/StmtPrinter.cpp191
-rw-r--r--lib/AST/StmtProfile.cpp720
-rw-r--r--lib/AST/StmtViz.cpp17
-rw-r--r--lib/AST/TemplateName.cpp42
-rw-r--r--lib/AST/Type.cpp987
-rw-r--r--lib/AST/TypeLoc.cpp370
-rw-r--r--lib/Analysis/AnalysisContext.cpp138
-rw-r--r--lib/Analysis/AnalysisManager.cpp35
-rw-r--r--lib/Analysis/BasicConstraintManager.cpp62
-rw-r--r--lib/Analysis/BasicObjCFoundationChecks.cpp329
-rw-r--r--lib/Analysis/BasicObjCFoundationChecks.h21
-rw-r--r--lib/Analysis/BasicStore.cpp380
-rw-r--r--lib/Analysis/BasicValueFactory.cpp138
-rw-r--r--lib/Analysis/BugReporter.cpp994
-rw-r--r--lib/Analysis/BugReporterVisitors.cpp349
-rw-r--r--lib/Analysis/CFG.cpp2084
-rw-r--r--lib/Analysis/CFRefCount.cpp1882
-rw-r--r--lib/Analysis/CMakeLists.txt10
-rw-r--r--lib/Analysis/CallGraph.cpp150
-rw-r--r--lib/Analysis/CallInliner.cpp75
-rw-r--r--lib/Analysis/CheckDeadStores.cpp99
-rw-r--r--lib/Analysis/CheckNSError.cpp166
-rw-r--r--lib/Analysis/CheckObjCDealloc.cpp134
-rw-r--r--lib/Analysis/CheckObjCInstMethSignature.cpp47
-rw-r--r--lib/Analysis/CheckObjCUnusedIVars.cpp64
-rw-r--r--lib/Analysis/CheckSecuritySyntaxOnly.cpp409
-rw-r--r--lib/Analysis/Environment.cpp141
-rw-r--r--lib/Analysis/ExplodedGraph.cpp200
-rw-r--r--lib/Analysis/GRBlockCounter.cpp2
-rw-r--r--lib/Analysis/GRCoreEngine.cpp439
-rw-r--r--lib/Analysis/GRExprEngine.cpp2541
-rw-r--r--lib/Analysis/GRExprEngineInternalChecks.cpp844
-rw-r--r--lib/Analysis/GRState.cpp158
-rw-r--r--lib/Analysis/LiveVariables.cpp122
-rw-r--r--lib/Analysis/MemRegion.cpp212
-rw-r--r--lib/Analysis/PathDiagnostic.cpp96
-rw-r--r--lib/Analysis/RangeConstraintManager.cpp60
-rw-r--r--lib/Analysis/RegionStore.cpp1809
-rw-r--r--lib/Analysis/SVals.cpp163
-rw-r--r--lib/Analysis/SValuator.cpp160
-rw-r--r--lib/Analysis/SimpleConstraintManager.cpp64
-rw-r--r--lib/Analysis/SimpleConstraintManager.h24
-rw-r--r--lib/Analysis/SimpleSValuator.cpp158
-rw-r--r--lib/Analysis/Store.cpp246
-rw-r--r--lib/Analysis/SymbolManager.cpp139
-rw-r--r--lib/Analysis/UninitializedValues.cpp84
-rw-r--r--lib/Analysis/ValueManager.cpp114
-rw-r--r--lib/Basic/Builtins.cpp18
-rw-r--r--lib/Basic/CMakeLists.txt11
-rw-r--r--lib/Basic/ConvertUTF.c606
-rw-r--r--lib/Basic/Diagnostic.cpp121
-rw-r--r--lib/Basic/FileManager.cpp88
-rw-r--r--lib/Basic/IdentifierTable.cpp58
-rw-r--r--lib/Basic/Makefile11
-rw-r--r--lib/Basic/SourceLocation.cpp4
-rw-r--r--lib/Basic/SourceManager.cpp302
-rw-r--r--lib/Basic/TargetInfo.cpp57
-rw-r--r--lib/Basic/Targets.cpp1092
-rw-r--r--lib/Basic/Version.cpp49
-rw-r--r--lib/CMakeLists.txt1
-rw-r--r--lib/CodeGen/ABIInfo.h22
-rw-r--r--lib/CodeGen/CGBlocks.cpp196
-rw-r--r--lib/CodeGen/CGBlocks.h40
-rw-r--r--lib/CodeGen/CGBuiltin.cpp255
-rw-r--r--lib/CodeGen/CGCXX.cpp1639
-rw-r--r--lib/CodeGen/CGCXX.h2
-rw-r--r--lib/CodeGen/CGCXXClass.cpp176
-rw-r--r--lib/CodeGen/CGCXXExpr.cpp304
-rw-r--r--lib/CodeGen/CGCXXTemp.cpp102
-rw-r--r--lib/CodeGen/CGCall.cpp268
-rw-r--r--lib/CodeGen/CGCall.h33
-rw-r--r--lib/CodeGen/CGDebugInfo.cpp686
-rw-r--r--lib/CodeGen/CGDebugInfo.h56
-rw-r--r--lib/CodeGen/CGDecl.cpp291
-rw-r--r--lib/CodeGen/CGExpr.cpp889
-rw-r--r--lib/CodeGen/CGExprAgg.cpp251
-rw-r--r--lib/CodeGen/CGExprComplex.cpp177
-rw-r--r--lib/CodeGen/CGExprConstant.cpp868
-rw-r--r--lib/CodeGen/CGExprScalar.cpp684
-rw-r--r--lib/CodeGen/CGObjC.cpp259
-rw-r--r--lib/CodeGen/CGObjCGNU.cpp999
-rw-r--r--lib/CodeGen/CGObjCMac.cpp2817
-rw-r--r--lib/CodeGen/CGObjCRuntime.h49
-rw-r--r--lib/CodeGen/CGRecordLayoutBuilder.cpp386
-rw-r--r--lib/CodeGen/CGRecordLayoutBuilder.h134
-rw-r--r--lib/CodeGen/CGRtti.cpp47
-rw-r--r--lib/CodeGen/CGStmt.cpp330
-rw-r--r--lib/CodeGen/CGValue.h124
-rw-r--r--lib/CodeGen/CGVtable.cpp557
-rw-r--r--lib/CodeGen/CGVtable.h61
-rw-r--r--lib/CodeGen/CMakeLists.txt11
-rw-r--r--lib/CodeGen/CodeGenFunction.cpp437
-rw-r--r--lib/CodeGen/CodeGenFunction.h291
-rw-r--r--lib/CodeGen/CodeGenModule.cpp846
-rw-r--r--lib/CodeGen/CodeGenModule.h132
-rw-r--r--lib/CodeGen/CodeGenTypes.cpp376
-rw-r--r--lib/CodeGen/CodeGenTypes.h124
-rw-r--r--lib/CodeGen/Makefile3
-rw-r--r--lib/CodeGen/Mangle.cpp1098
-rw-r--r--lib/CodeGen/Mangle.h48
-rw-r--r--lib/CodeGen/ModuleBuilder.cpp16
-rw-r--r--lib/CodeGen/README.txt18
-rw-r--r--lib/CodeGen/TargetABIInfo.cpp647
-rw-r--r--lib/Driver/Action.cpp12
-rw-r--r--lib/Driver/Arg.cpp23
-rw-r--r--lib/Driver/ArgList.cpp54
-rw-r--r--lib/Driver/Compilation.cpp46
-rw-r--r--lib/Driver/Driver.cpp580
-rw-r--r--lib/Driver/HostInfo.cpp257
-rw-r--r--lib/Driver/Job.cpp6
-rw-r--r--lib/Driver/Makefile16
-rw-r--r--lib/Driver/OptTable.cpp18
-rw-r--r--lib/Driver/Option.cpp57
-rw-r--r--lib/Driver/Tool.cpp2
-rw-r--r--lib/Driver/ToolChain.cpp12
-rw-r--r--lib/Driver/ToolChains.cpp392
-rw-r--r--lib/Driver/ToolChains.h138
-rw-r--r--lib/Driver/Tools.cpp1082
-rw-r--r--lib/Driver/Tools.h174
-rw-r--r--lib/Driver/Types.cpp48
-rw-r--r--lib/Frontend/ASTConsumers.cpp209
-rw-r--r--lib/Frontend/ASTUnit.cpp63
-rw-r--r--lib/Frontend/AnalysisConsumer.cpp536
-rw-r--r--lib/Frontend/Backend.cpp85
-rw-r--r--lib/Frontend/CMakeLists.txt11
-rw-r--r--lib/Frontend/CacheTokens.cpp189
-rw-r--r--lib/Frontend/DeclXML.cpp74
-rw-r--r--lib/Frontend/DependencyFile.cpp16
-rw-r--r--lib/Frontend/DiagChecker.cpp32
-rw-r--r--lib/Frontend/DocumentXML.cpp157
-rw-r--r--lib/Frontend/FixItRewriter.cpp44
-rw-r--r--lib/Frontend/GeneratePCH.cpp21
-rw-r--r--lib/Frontend/HTMLDiagnostics.cpp371
-rw-r--r--lib/Frontend/HTMLPrint.cpp10
-rw-r--r--lib/Frontend/InitHeaderSearch.cpp459
-rw-r--r--lib/Frontend/InitPreprocessor.cpp111
-rw-r--r--lib/Frontend/PCHReader.cpp612
-rw-r--r--lib/Frontend/PCHReaderDecl.cpp174
-rw-r--r--lib/Frontend/PCHReaderStmt.cpp127
-rw-r--r--lib/Frontend/PCHWriter.cpp547
-rw-r--r--lib/Frontend/PCHWriterDecl.cpp221
-rw-r--r--lib/Frontend/PCHWriterStmt.cpp101
-rw-r--r--lib/Frontend/PlistDiagnostics.cpp148
-rw-r--r--lib/Frontend/PrintParserCallbacks.cpp85
-rw-r--r--lib/Frontend/PrintPreprocessedOutput.cpp96
-rw-r--r--lib/Frontend/RewriteBlocks.cpp311
-rw-r--r--lib/Frontend/RewriteMacros.cpp49
-rw-r--r--lib/Frontend/RewriteObjC.cpp1306
-rw-r--r--lib/Frontend/RewriteTest.cpp4
-rw-r--r--lib/Frontend/StmtXML.cpp78
-rw-r--r--lib/Frontend/TextDiagnosticBuffer.cpp2
-rw-r--r--lib/Frontend/TextDiagnosticPrinter.cpp138
-rw-r--r--lib/Frontend/TypeXML.cpp72
-rw-r--r--lib/Frontend/Warnings.cpp16
-rw-r--r--lib/Headers/CMakeLists.txt7
-rw-r--r--lib/Headers/Makefile8
-rw-r--r--lib/Headers/emmintrin.h34
-rw-r--r--lib/Headers/mmintrin.h12
-rw-r--r--lib/Headers/stdarg.h2
-rw-r--r--lib/Index/ASTLocation.cpp117
-rw-r--r--lib/Index/ASTVisitor.h144
-rw-r--r--lib/Index/Analyzer.cpp438
-rw-r--r--lib/Index/CMakeLists.txt15
-rw-r--r--lib/Index/DeclReferenceMap.cpp91
-rw-r--r--lib/Index/Entity.cpp225
-rw-r--r--lib/Index/EntityImpl.h70
-rw-r--r--lib/Index/GlobalSelector.cpp73
-rw-r--r--lib/Index/Handlers.cpp22
-rw-r--r--lib/Index/IndexProvider.cpp20
-rw-r--r--lib/Index/Indexer.cpp104
-rw-r--r--lib/Index/Makefile28
-rw-r--r--lib/Index/Program.cpp50
-rw-r--r--lib/Index/ProgramImpl.h56
-rw-r--r--lib/Index/ResolveLocation.cpp505
-rw-r--r--lib/Index/SelectorMap.cpp85
-rw-r--r--lib/Lex/CMakeLists.txt4
-rw-r--r--lib/Lex/HeaderMap.cpp44
-rw-r--r--lib/Lex/HeaderSearch.cpp112
-rw-r--r--lib/Lex/Lexer.cpp436
-rw-r--r--lib/Lex/LiteralSupport.cpp267
-rw-r--r--lib/Lex/MacroArgs.cpp34
-rw-r--r--lib/Lex/MacroArgs.h26
-rw-r--r--lib/Lex/MacroInfo.cpp12
-rw-r--r--lib/Lex/PPCaching.cpp5
-rw-r--r--lib/Lex/PPDirectives.cpp352
-rw-r--r--lib/Lex/PPExpressions.cpp100
-rw-r--r--lib/Lex/PPLexerChange.cpp68
-rw-r--r--lib/Lex/PPMacroExpansion.cpp169
-rw-r--r--lib/Lex/PTHLexer.cpp220
-rw-r--r--lib/Lex/Pragma.cpp170
-rw-r--r--lib/Lex/Preprocessor.cpp134
-rw-r--r--lib/Lex/PreprocessorLexer.cpp4
-rw-r--r--lib/Lex/ScratchBuffer.cpp10
-rw-r--r--lib/Lex/TokenConcatenation.cpp42
-rw-r--r--lib/Lex/TokenLexer.cpp120
-rwxr-xr-xlib/Makefile2
-rw-r--r--lib/Parse/AttributeList.cpp20
-rw-r--r--lib/Parse/CMakeLists.txt4
-rw-r--r--lib/Parse/DeclSpec.cpp186
-rw-r--r--lib/Parse/ExtensionRAIIObject.h2
-rw-r--r--lib/Parse/MinimalAction.cpp70
-rw-r--r--lib/Parse/ParseCXXInlineMethods.cpp44
-rw-r--r--lib/Parse/ParseDecl.cpp858
-rw-r--r--lib/Parse/ParseDeclCXX.cpp533
-rw-r--r--lib/Parse/ParseExpr.cpp255
-rw-r--r--lib/Parse/ParseExprCXX.cpp220
-rw-r--r--lib/Parse/ParseInit.cpp40
-rw-r--r--lib/Parse/ParseObjc.cpp301
-rw-r--r--lib/Parse/ParsePragma.cpp65
-rw-r--r--lib/Parse/ParsePragma.h18
-rw-r--r--lib/Parse/ParseStmt.cpp109
-rw-r--r--lib/Parse/ParseTemplate.cpp221
-rw-r--r--lib/Parse/ParseTentative.cpp24
-rw-r--r--lib/Parse/Parser.cpp137
-rw-r--r--lib/Rewrite/CMakeLists.txt2
-rw-r--r--lib/Rewrite/DeltaTree.cpp106
-rw-r--r--lib/Rewrite/HTMLRewrite.cpp227
-rw-r--r--lib/Rewrite/RewriteRope.cpp184
-rw-r--r--lib/Rewrite/Rewriter.cpp74
-rw-r--r--lib/Rewrite/TokenRewriter.cpp20
-rw-r--r--lib/Sema/CMakeLists.txt12
-rw-r--r--lib/Sema/CodeCompleteConsumer.cpp184
-rw-r--r--lib/Sema/IdentifierResolver.cpp18
-rw-r--r--lib/Sema/IdentifierResolver.h10
-rw-r--r--lib/Sema/JumpDiagnostics.cpp62
-rw-r--r--lib/Sema/ParseAST.cpp37
-rw-r--r--lib/Sema/Sema.cpp329
-rw-r--r--lib/Sema/Sema.h1874
-rw-r--r--lib/Sema/SemaAccess.cpp89
-rw-r--r--lib/Sema/SemaAttr.cpp84
-rw-r--r--lib/Sema/SemaCXXCast.cpp1128
-rw-r--r--lib/Sema/SemaCXXScopeSpec.cpp381
-rw-r--r--lib/Sema/SemaChecking.cpp530
-rw-r--r--lib/Sema/SemaCodeComplete.cpp1432
-rw-r--r--lib/Sema/SemaDecl.cpp2571
-rw-r--r--lib/Sema/SemaDeclAttr.cpp544
-rw-r--r--lib/Sema/SemaDeclCXX.cpp2665
-rw-r--r--lib/Sema/SemaDeclObjC.cpp832
-rw-r--r--lib/Sema/SemaExceptionSpec.cpp320
-rw-r--r--lib/Sema/SemaExpr.cpp2800
-rw-r--r--lib/Sema/SemaExprCXX.cpp1129
-rw-r--r--lib/Sema/SemaExprObjC.cpp446
-rw-r--r--lib/Sema/SemaInit.cpp462
-rw-r--r--lib/Sema/SemaLookup.cpp1482
-rw-r--r--lib/Sema/SemaOverload.cpp2271
-rw-r--r--lib/Sema/SemaOverload.h37
-rw-r--r--lib/Sema/SemaStmt.cpp405
-rw-r--r--lib/Sema/SemaTemplate.cpp2545
-rw-r--r--lib/Sema/SemaTemplate.h104
-rw-r--r--lib/Sema/SemaTemplateDeduction.cpp1857
-rw-r--r--lib/Sema/SemaTemplateInstantiate.cpp1238
-rw-r--r--lib/Sema/SemaTemplateInstantiateDecl.cpp1342
-rw-r--r--lib/Sema/SemaType.cpp797
-rw-r--r--lib/Sema/TreeTransform.h4829
276 files changed, 66537 insertions, 30467 deletions
diff --git a/lib/AST/APValue.cpp b/lib/AST/APValue.cpp
index 4df7671c5a95..772a884c90d3 100644
--- a/lib/AST/APValue.cpp
+++ b/lib/AST/APValue.cpp
@@ -37,7 +37,7 @@ const APValue &APValue::operator=(const APValue &RHS) {
else if (isFloat())
setFloat(RHS.getFloat());
else if (isVector())
- setVector(((Vec*)(void*)RHS.Data)->Elts, RHS.getVectorLength());
+ setVector(((Vec*)(char*)RHS.Data)->Elts, RHS.getVectorLength());
else if (isComplexInt())
setComplexInt(RHS.getComplexIntReal(), RHS.getComplexIntImag());
else if (isComplexFloat())
@@ -49,17 +49,17 @@ const APValue &APValue::operator=(const APValue &RHS) {
void APValue::MakeUninit() {
if (Kind == Int)
- ((APSInt*)(void*)Data)->~APSInt();
+ ((APSInt*)(char*)Data)->~APSInt();
else if (Kind == Float)
- ((APFloat*)(void*)Data)->~APFloat();
+ ((APFloat*)(char*)Data)->~APFloat();
else if (Kind == Vector)
- ((Vec*)(void*)Data)->~Vec();
+ ((Vec*)(char*)Data)->~Vec();
else if (Kind == ComplexInt)
- ((ComplexAPSInt*)(void*)Data)->~ComplexAPSInt();
+ ((ComplexAPSInt*)(char*)Data)->~ComplexAPSInt();
else if (Kind == ComplexFloat)
- ((ComplexAPFloat*)(void*)Data)->~ComplexAPFloat();
+ ((ComplexAPFloat*)(char*)Data)->~ComplexAPFloat();
else if (Kind == LValue) {
- ((LV*)(void*)Data)->~LV();
+ ((LV*)(char*)Data)->~LV();
}
Kind = Uninitialized;
}
@@ -91,7 +91,7 @@ void APValue::print(llvm::raw_ostream &OS) const {
return;
case Vector:
OS << "Vector: " << getVectorElt(0);
- for (unsigned i = 1; i != getVectorLength(); ++i)
+ for (unsigned i = 1; i != getVectorLength(); ++i)
OS << ", " << getVectorElt(i);
return;
case ComplexInt:
diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp
index 2877cc3b7fe7..85b4fd6d6cc0 100644
--- a/lib/AST/ASTContext.cpp
+++ b/lib/AST/ASTContext.cpp
@@ -15,6 +15,7 @@
#include "clang/AST/DeclCXX.h"
#include "clang/AST/DeclObjC.h"
#include "clang/AST/DeclTemplate.h"
+#include "clang/AST/TypeLoc.h"
#include "clang/AST/Expr.h"
#include "clang/AST/ExternalASTSource.h"
#include "clang/AST/RecordLayout.h"
@@ -24,6 +25,8 @@
#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/MemoryBuffer.h"
+#include "RecordLayoutBuilder.h"
+
using namespace clang;
enum FloatingRank {
@@ -34,15 +37,18 @@ ASTContext::ASTContext(const LangOptions& LOpts, SourceManager &SM,
TargetInfo &t,
IdentifierTable &idents, SelectorTable &sels,
Builtin::Context &builtins,
- bool FreeMem, unsigned size_reserve) :
- GlobalNestedNameSpecifier(0), CFConstantStringTypeDecl(0),
- ObjCFastEnumerationStateTypeDecl(0), SourceMgr(SM), LangOpts(LOpts),
- LoadedExternalComments(false), FreeMemory(FreeMem), Target(t),
+ bool FreeMem, unsigned size_reserve) :
+ GlobalNestedNameSpecifier(0), CFConstantStringTypeDecl(0),
+ ObjCFastEnumerationStateTypeDecl(0), FILEDecl(0), jmp_bufDecl(0),
+ sigjmp_bufDecl(0), SourceMgr(SM), LangOpts(LOpts),
+ LoadedExternalComments(false), FreeMemory(FreeMem), Target(t),
Idents(idents), Selectors(sels),
- BuiltinInfo(builtins), ExternalSource(0), PrintingPolicy(LOpts) {
- if (size_reserve > 0) Types.reserve(size_reserve);
- InitBuiltinTypes();
+ BuiltinInfo(builtins), ExternalSource(0), PrintingPolicy(LOpts) {
+ ObjCIdRedefinitionType = QualType();
+ ObjCClassRedefinitionType = QualType();
+ if (size_reserve > 0) Types.reserve(size_reserve);
TUDecl = TranslationUnitDecl::Create(*this);
+ InitBuiltinTypes();
}
ASTContext::~ASTContext() {
@@ -53,6 +59,13 @@ ASTContext::~ASTContext() {
}
{
+ llvm::FoldingSet<ExtQuals>::iterator
+ I = ExtQualNodes.begin(), E = ExtQualNodes.end();
+ while (I != E)
+ Deallocate(&*I++);
+ }
+
+ {
llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*>::iterator
I = ASTRecordLayouts.begin(), E = ASTRecordLayouts.end();
while (I != E) {
@@ -73,8 +86,8 @@ ASTContext::~ASTContext() {
// Destroy nested-name-specifiers.
for (llvm::FoldingSet<NestedNameSpecifier>::iterator
NNS = NestedNameSpecifiers.begin(),
- NNSEnd = NestedNameSpecifiers.end();
- NNS != NNSEnd;
+ NNSEnd = NestedNameSpecifiers.end();
+ NNS != NNSEnd;
/* Increment in loop */)
(*NNS++).Destroy(*this);
@@ -84,7 +97,7 @@ ASTContext::~ASTContext() {
TUDecl->Destroy(*this);
}
-void
+void
ASTContext::setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source) {
ExternalSource.reset(Source.take());
}
@@ -94,7 +107,7 @@ void ASTContext::PrintStats() const {
fprintf(stderr, " %d types total.\n", (int)Types.size());
unsigned counts[] = {
-#define TYPE(Name, Parent) 0,
+#define TYPE(Name, Parent) 0,
#define ABSTRACT_TYPE(Name, Parent)
#include "clang/AST/TypeNodes.def"
0 // Extra
@@ -114,7 +127,7 @@ void ASTContext::PrintStats() const {
++Idx;
#define ABSTRACT_TYPE(Name, Parent)
#include "clang/AST/TypeNodes.def"
-
+
fprintf(stderr, "Total bytes = %d\n", int(TotalBytes));
if (ExternalSource.get()) {
@@ -125,15 +138,17 @@ void ASTContext::PrintStats() const {
void ASTContext::InitBuiltinType(QualType &R, BuiltinType::Kind K) {
- Types.push_back((R = QualType(new (*this,8) BuiltinType(K),0)).getTypePtr());
+ BuiltinType *Ty = new (*this, TypeAlignment) BuiltinType(K);
+ R = QualType(Ty, 0);
+ Types.push_back(Ty);
}
void ASTContext::InitBuiltinTypes() {
assert(VoidTy.isNull() && "Context reinitialized?");
-
+
// C99 6.2.5p19.
InitBuiltinType(VoidTy, BuiltinType::Void);
-
+
// C99 6.2.5p2.
InitBuiltinType(BoolTy, BuiltinType::Bool);
// C99 6.2.5p3.
@@ -147,14 +162,14 @@ void ASTContext::InitBuiltinTypes() {
InitBuiltinType(IntTy, BuiltinType::Int);
InitBuiltinType(LongTy, BuiltinType::Long);
InitBuiltinType(LongLongTy, BuiltinType::LongLong);
-
+
// C99 6.2.5p6.
InitBuiltinType(UnsignedCharTy, BuiltinType::UChar);
InitBuiltinType(UnsignedShortTy, BuiltinType::UShort);
InitBuiltinType(UnsignedIntTy, BuiltinType::UInt);
InitBuiltinType(UnsignedLongTy, BuiltinType::ULong);
InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong);
-
+
// C99 6.2.5p10.
InitBuiltinType(FloatTy, BuiltinType::Float);
InitBuiltinType(DoubleTy, BuiltinType::Double);
@@ -169,6 +184,16 @@ void ASTContext::InitBuiltinTypes() {
else // C99
WCharTy = getFromTargetType(Target.getWCharType());
+ if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++
+ InitBuiltinType(Char16Ty, BuiltinType::Char16);
+ else // C99
+ Char16Ty = getFromTargetType(Target.getChar16Type());
+
+ if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++
+ InitBuiltinType(Char32Ty, BuiltinType::Char32);
+ else // C99
+ Char32Ty = getFromTargetType(Target.getChar32Type());
+
// Placeholder type for functions.
InitBuiltinType(OverloadTy, BuiltinType::Overload);
@@ -179,23 +204,27 @@ void ASTContext::InitBuiltinTypes() {
// expressions.
InitBuiltinType(DependentTy, BuiltinType::Dependent);
- // Placeholder type for C++0x auto declarations whose real type has
+ // Placeholder type for C++0x auto declarations whose real type has
// not yet been deduced.
InitBuiltinType(UndeducedAutoTy, BuiltinType::UndeducedAuto);
-
+
// C99 6.2.5p11.
FloatComplexTy = getComplexType(FloatTy);
DoubleComplexTy = getComplexType(DoubleTy);
LongDoubleComplexTy = getComplexType(LongDoubleTy);
BuiltinVaListType = QualType();
- ObjCIdType = QualType();
- IdStructType = 0;
- ObjCClassType = QualType();
- ClassStructType = 0;
-
+
+ // "Builtin" typedefs set by Sema::ActOnTranslationUnitScope().
+ ObjCIdTypedefType = QualType();
+ ObjCClassTypedefType = QualType();
+
+ // Builtin types for 'id' and 'Class'.
+ InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId);
+ InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass);
+
ObjCConstantStringType = QualType();
-
+
// void * type
VoidPtrTy = getPointerType(VoidTy);
@@ -203,14 +232,73 @@ void ASTContext::InitBuiltinTypes() {
InitBuiltinType(NullPtrTy, BuiltinType::NullPtr);
}
+MemberSpecializationInfo *
+ASTContext::getInstantiatedFromStaticDataMember(VarDecl *Var) {
+ assert(Var->isStaticDataMember() && "Not a static data member");
+ llvm::DenseMap<VarDecl *, MemberSpecializationInfo *>::iterator Pos
+ = InstantiatedFromStaticDataMember.find(Var);
+ if (Pos == InstantiatedFromStaticDataMember.end())
+ return 0;
+
+ return Pos->second;
+}
+
+void
+ASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl,
+ TemplateSpecializationKind TSK) {
+ assert(Inst->isStaticDataMember() && "Not a static data member");
+ assert(Tmpl->isStaticDataMember() && "Not a static data member");
+ assert(!InstantiatedFromStaticDataMember[Inst] &&
+ "Already noted what static data member was instantiated from");
+ InstantiatedFromStaticDataMember[Inst]
+ = new (*this) MemberSpecializationInfo(Tmpl, TSK);
+}
+
+UnresolvedUsingDecl *
+ASTContext::getInstantiatedFromUnresolvedUsingDecl(UsingDecl *UUD) {
+ llvm::DenseMap<UsingDecl *, UnresolvedUsingDecl *>::iterator Pos
+ = InstantiatedFromUnresolvedUsingDecl.find(UUD);
+ if (Pos == InstantiatedFromUnresolvedUsingDecl.end())
+ return 0;
+
+ return Pos->second;
+}
+
+void
+ASTContext::setInstantiatedFromUnresolvedUsingDecl(UsingDecl *UD,
+ UnresolvedUsingDecl *UUD) {
+ assert(!InstantiatedFromUnresolvedUsingDecl[UD] &&
+ "Already noted what using decl what instantiated from");
+ InstantiatedFromUnresolvedUsingDecl[UD] = UUD;
+}
+
+FieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) {
+ llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos
+ = InstantiatedFromUnnamedFieldDecl.find(Field);
+ if (Pos == InstantiatedFromUnnamedFieldDecl.end())
+ return 0;
+
+ return Pos->second;
+}
+
+void ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst,
+ FieldDecl *Tmpl) {
+ assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed");
+ assert(!Tmpl->getDeclName() && "Template field decl is not unnamed");
+ assert(!InstantiatedFromUnnamedFieldDecl[Inst] &&
+ "Already noted what unnamed field was instantiated from");
+
+ InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl;
+}
+
namespace {
- class BeforeInTranslationUnit
+ class BeforeInTranslationUnit
: std::binary_function<SourceRange, SourceRange, bool> {
SourceManager *SourceMgr;
-
+
public:
explicit BeforeInTranslationUnit(SourceManager *SM) : SourceMgr(SM) { }
-
+
bool operator()(SourceRange X, SourceRange Y) {
return SourceMgr->isBeforeInTranslationUnit(X.getBegin(), Y.getBegin());
}
@@ -226,14 +314,14 @@ namespace {
/// \param Member whether we want to check whether this is a member comment
/// (which requires a < after the Doxygen-comment delimiter). Otherwise,
/// we only return true when we find a non-member comment.
-static bool
-isDoxygenComment(SourceManager &SourceMgr, SourceRange Comment,
+static bool
+isDoxygenComment(SourceManager &SourceMgr, SourceRange Comment,
bool Member = false) {
- const char *BufferStart
+ const char *BufferStart
= SourceMgr.getBufferData(SourceMgr.getFileID(Comment.getBegin())).first;
const char *Start = BufferStart + SourceMgr.getFileOffset(Comment.getBegin());
const char* End = BufferStart + SourceMgr.getFileOffset(Comment.getEnd());
-
+
if (End - Start < 4)
return false;
@@ -247,32 +335,32 @@ isDoxygenComment(SourceManager &SourceMgr, SourceRange Comment,
}
/// \brief Retrieve the comment associated with the given declaration, if
-/// it has one.
+/// it has one.
const char *ASTContext::getCommentForDecl(const Decl *D) {
if (!D)
return 0;
-
+
// Check whether we have cached a comment string for this declaration
// already.
- llvm::DenseMap<const Decl *, std::string>::iterator Pos
+ llvm::DenseMap<const Decl *, std::string>::iterator Pos
= DeclComments.find(D);
if (Pos != DeclComments.end())
return Pos->second.c_str();
- // If we have an external AST source and have not yet loaded comments from
+ // If we have an external AST source and have not yet loaded comments from
// that source, do so now.
if (ExternalSource && !LoadedExternalComments) {
std::vector<SourceRange> LoadedComments;
ExternalSource->ReadComments(LoadedComments);
-
+
if (!LoadedComments.empty())
Comments.insert(Comments.begin(), LoadedComments.begin(),
LoadedComments.end());
-
+
LoadedExternalComments = true;
}
-
- // If there are no comments anywhere, we won't find anything.
+
+ // If there are no comments anywhere, we won't find anything.
if (Comments.empty())
return 0;
@@ -284,17 +372,17 @@ const char *ASTContext::getCommentForDecl(const Decl *D) {
// Find the comment that occurs just before this declaration.
std::vector<SourceRange>::iterator LastComment
- = std::lower_bound(Comments.begin(), Comments.end(),
+ = std::lower_bound(Comments.begin(), Comments.end(),
SourceRange(DeclStartLoc),
BeforeInTranslationUnit(&SourceMgr));
-
+
// Decompose the location for the start of the declaration and find the
// beginning of the file buffer.
- std::pair<FileID, unsigned> DeclStartDecomp
+ std::pair<FileID, unsigned> DeclStartDecomp
= SourceMgr.getDecomposedLoc(DeclStartLoc);
- const char *FileBufferStart
+ const char *FileBufferStart
= SourceMgr.getBufferData(DeclStartDecomp.first).first;
-
+
// First check whether we have a comment for a member.
if (LastComment != Comments.end() &&
!isa<TagDecl>(D) && !isa<NamespaceDecl>(D) &&
@@ -303,19 +391,19 @@ const char *ASTContext::getCommentForDecl(const Decl *D) {
= SourceMgr.getDecomposedLoc(LastComment->getEnd());
if (DeclStartDecomp.first == LastCommentEndDecomp.first &&
SourceMgr.getLineNumber(DeclStartDecomp.first, DeclStartDecomp.second)
- == SourceMgr.getLineNumber(LastCommentEndDecomp.first,
+ == SourceMgr.getLineNumber(LastCommentEndDecomp.first,
LastCommentEndDecomp.second)) {
// The Doxygen member comment comes after the declaration starts and
// is on the same line and in the same file as the declaration. This
// is the comment we want.
std::string &Result = DeclComments[D];
- Result.append(FileBufferStart +
- SourceMgr.getFileOffset(LastComment->getBegin()),
+ Result.append(FileBufferStart +
+ SourceMgr.getFileOffset(LastComment->getBegin()),
FileBufferStart + LastCommentEndDecomp.second + 1);
return Result.c_str();
}
}
-
+
if (LastComment == Comments.begin())
return 0;
--LastComment;
@@ -323,33 +411,33 @@ const char *ASTContext::getCommentForDecl(const Decl *D) {
// Decompose the end of the comment.
std::pair<FileID, unsigned> LastCommentEndDecomp
= SourceMgr.getDecomposedLoc(LastComment->getEnd());
-
+
// If the comment and the declaration aren't in the same file, then they
// aren't related.
if (DeclStartDecomp.first != LastCommentEndDecomp.first)
return 0;
-
+
// Check that we actually have a Doxygen comment.
if (!isDoxygenComment(SourceMgr, *LastComment))
return 0;
-
+
// Compute the starting line for the declaration and for the end of the
// comment (this is expensive).
- unsigned DeclStartLine
+ unsigned DeclStartLine
= SourceMgr.getLineNumber(DeclStartDecomp.first, DeclStartDecomp.second);
unsigned CommentEndLine
- = SourceMgr.getLineNumber(LastCommentEndDecomp.first,
+ = SourceMgr.getLineNumber(LastCommentEndDecomp.first,
LastCommentEndDecomp.second);
-
+
// If the comment does not end on the line prior to the declaration, then
// the comment is not associated with the declaration at all.
if (CommentEndLine + 1 != DeclStartLine)
return 0;
-
+
// We have a comment, but there may be more comments on the previous lines.
// Keep looking so long as the comments are still Doxygen comments and are
// still adjacent.
- unsigned ExpectedLine
+ unsigned ExpectedLine
= SourceMgr.getSpellingLineNumber(LastComment->getBegin()) - 1;
std::vector<SourceRange>::iterator FirstComment = LastComment;
while (FirstComment != Comments.begin()) {
@@ -357,31 +445,31 @@ const char *ASTContext::getCommentForDecl(const Decl *D) {
--FirstComment;
std::pair<FileID, unsigned> Decomp
= SourceMgr.getDecomposedLoc(FirstComment->getEnd());
-
+
// If this previous comment is in a different file, we're done.
if (Decomp.first != DeclStartDecomp.first) {
++FirstComment;
break;
}
-
+
// If this comment is not a Doxygen comment, we're done.
if (!isDoxygenComment(SourceMgr, *FirstComment)) {
++FirstComment;
break;
}
-
+
// If the line number is not what we expected, we're done.
unsigned Line = SourceMgr.getLineNumber(Decomp.first, Decomp.second);
if (Line != ExpectedLine) {
++FirstComment;
break;
}
-
+
// Set the next expected line number.
- ExpectedLine
+ ExpectedLine
= SourceMgr.getSpellingLineNumber(FirstComment->getBegin()) - 1;
}
-
+
// The iterator range [FirstComment, LastComment] contains all of the
// BCPL comments that, together, are associated with this declaration.
// Form a single comment block string for this declaration that concatenates
@@ -396,10 +484,10 @@ const char *ASTContext::getCommentForDecl(const Decl *D) {
FileBufferStart + DecompEnd.second + 1);
++FirstComment;
}
-
+
// Append the last comment line.
- Result.append(FileBufferStart +
- SourceMgr.getFileOffset(LastComment->getBegin()),
+ Result.append(FileBufferStart +
+ SourceMgr.getFileOffset(LastComment->getBegin()),
FileBufferStart + LastCommentEndDecomp.second + 1);
return Result.c_str();
}
@@ -411,7 +499,7 @@ const char *ASTContext::getCommentForDecl(const Decl *D) {
/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified
/// scalar floating point type.
const llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const {
- const BuiltinType *BT = T->getAsBuiltinType();
+ const BuiltinType *BT = T->getAs<BuiltinType>();
assert(BT && "Not a floating point type!");
switch (BT->getKind()) {
default: assert(0 && "Not a floating point type!");
@@ -421,7 +509,7 @@ const llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const {
}
}
-/// getDeclAlign - Return a conservative estimate of the alignment of the
+/// getDeclAlignInBytes - Return a conservative estimate of the alignment of the
/// specified decl. Note that bitfields do not have a valid alignment, so
/// this method will assert on them.
unsigned ASTContext::getDeclAlignInBytes(const Decl *D) {
@@ -432,7 +520,7 @@ unsigned ASTContext::getDeclAlignInBytes(const Decl *D) {
if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) {
QualType T = VD->getType();
- if (const ReferenceType* RT = T->getAsReferenceType()) {
+ if (const ReferenceType* RT = T->getAs<ReferenceType>()) {
unsigned AS = RT->getPointeeType().getAddressSpace();
Align = Target.getPointerAlign(AS);
} else if (!T->isIncompleteType() && !T->isFunctionType()) {
@@ -449,6 +537,10 @@ unsigned ASTContext::getDeclAlignInBytes(const Decl *D) {
/// getTypeSize - Return the size of the specified type, in bits. This method
/// does not work on incomplete types.
+///
+/// FIXME: Pointers into different addr spaces could have different sizes and
+/// alignment requirements: getPointerInfo should take an AddrSpace, this
+/// should take a QualType, &c.
std::pair<uint64_t, unsigned>
ASTContext::getTypeInfo(const Type *T) {
uint64_t Width=0;
@@ -462,6 +554,10 @@ ASTContext::getTypeInfo(const Type *T) {
assert(false && "Should not see dependent types");
break;
+ case Type::ObjCProtocolList:
+ assert(false && "Should not see protocol list types");
+ break;
+
case Type::FunctionNoProto:
case Type::FunctionProto:
// GCC extension: alignof(function) = 32 bits
@@ -475,9 +571,11 @@ ASTContext::getTypeInfo(const Type *T) {
Align = getTypeAlign(cast<ArrayType>(T)->getElementType());
break;
+ case Type::ConstantArrayWithExpr:
+ case Type::ConstantArrayWithoutExpr:
case Type::ConstantArray: {
const ConstantArrayType *CAT = cast<ConstantArrayType>(T);
-
+
std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType());
Width = EltInfo.first*CAT->getSize().getZExtValue();
Align = EltInfo.second;
@@ -485,7 +583,7 @@ ASTContext::getTypeInfo(const Type *T) {
}
case Type::ExtVector:
case Type::Vector: {
- std::pair<uint64_t, unsigned> EltInfo =
+ std::pair<uint64_t, unsigned> EltInfo =
getTypeInfo(cast<VectorType>(T)->getElementType());
Width = EltInfo.first*cast<VectorType>(T)->getNumElements();
Align = Width;
@@ -520,6 +618,14 @@ ASTContext::getTypeInfo(const Type *T) {
Width = Target.getWCharWidth();
Align = Target.getWCharAlign();
break;
+ case BuiltinType::Char16:
+ Width = Target.getChar16Width();
+ Align = Target.getChar16Align();
+ break;
+ case BuiltinType::Char32:
+ Width = Target.getChar32Width();
+ Align = Target.getChar32Align();
+ break;
case BuiltinType::UShort:
case BuiltinType::Short:
Width = Target.getShortWidth();
@@ -570,12 +676,7 @@ ASTContext::getTypeInfo(const Type *T) {
Width = std::max(llvm::NextPowerOf2(Width - 1), (uint64_t)8);
Align = Width;
break;
- case Type::ExtQual:
- // FIXME: Pointers into different addr spaces could have different sizes and
- // alignment requirements: getPointerInfo should take an AddrSpace.
- return getTypeInfo(QualType(cast<ExtQualType>(T)->getBaseType(), 0));
case Type::ObjCObjectPointer:
- case Type::ObjCQualifiedInterface:
Width = Target.getPointerWidth(0);
Align = Target.getPointerAlign(0);
break;
@@ -604,7 +705,7 @@ ASTContext::getTypeInfo(const Type *T) {
// If we ever want to support other ABIs this needs to be abstracted.
QualType Pointee = cast<MemberPointerType>(T)->getPointeeType();
- std::pair<uint64_t, unsigned> PtrDiffInfo =
+ std::pair<uint64_t, unsigned> PtrDiffInfo =
getTypeInfo(getPointerDiffType());
Width = PtrDiffInfo.first;
if (Pointee->isFunctionType())
@@ -615,7 +716,7 @@ ASTContext::getTypeInfo(const Type *T) {
case Type::Complex: {
// Complex types have the same alignment as their elements, but twice the
// size.
- std::pair<uint64_t, unsigned> EltInfo =
+ std::pair<uint64_t, unsigned> EltInfo =
getTypeInfo(cast<ComplexType>(T)->getElementType());
Width = EltInfo.first*2;
Align = EltInfo.second;
@@ -637,7 +738,7 @@ ASTContext::getTypeInfo(const Type *T) {
Align = 1;
break;
}
-
+
if (const EnumType *ET = dyn_cast<EnumType>(TT))
return getTypeInfo(ET->getDecl()->getIntegerType());
@@ -648,6 +749,10 @@ ASTContext::getTypeInfo(const Type *T) {
break;
}
+ case Type::Elaborated: {
+ return getTypeInfo(cast<ElaboratedType>(T)->getUnderlyingType().getTypePtr());
+ }
+
case Type::Typedef: {
const TypedefDecl *Typedef = cast<TypedefType>(T)->getDecl();
if (const AlignedAttr *Aligned = Typedef->getAttr<AlignedAttr>()) {
@@ -671,16 +776,16 @@ ASTContext::getTypeInfo(const Type *T) {
case Type::QualifiedName:
return getTypeInfo(cast<QualifiedNameType>(T)->getNamedType().getTypePtr());
-
+
case Type::TemplateSpecialization:
- assert(getCanonicalType(T) != T &&
+ assert(getCanonicalType(T) != T &&
"Cannot request the size of a dependent type");
// FIXME: this is likely to be wrong once we support template
// aliases, since a template alias could refer to a typedef that
// has an __aligned__ attribute on it.
return getTypeInfo(getCanonicalType(T));
}
-
+
assert(Align && (Align & (Align-1)) == 0 && "Alignment must be power of 2");
return std::make_pair(Width, Align);
}
@@ -693,7 +798,7 @@ unsigned ASTContext::getPreferredTypeAlign(const Type *T) {
unsigned ABIAlign = getTypeAlign(T);
// Double and long long should be naturally aligned if possible.
- if (const ComplexType* CT = T->getAsComplexType())
+ if (const ComplexType* CT = T->getAs<ComplexType>())
T = CT->getElementType().getTypePtr();
if (T->isSpecificBuiltinType(BuiltinType::Double) ||
T->isSpecificBuiltinType(BuiltinType::LongLong))
@@ -702,102 +807,6 @@ unsigned ASTContext::getPreferredTypeAlign(const Type *T) {
return ABIAlign;
}
-
-/// LayoutField - Field layout.
-void ASTRecordLayout::LayoutField(const FieldDecl *FD, unsigned FieldNo,
- bool IsUnion, unsigned StructPacking,
- ASTContext &Context) {
- unsigned FieldPacking = StructPacking;
- uint64_t FieldOffset = IsUnion ? 0 : Size;
- uint64_t FieldSize;
- unsigned FieldAlign;
-
- // FIXME: Should this override struct packing? Probably we want to
- // take the minimum?
- if (const PackedAttr *PA = FD->getAttr<PackedAttr>())
- FieldPacking = PA->getAlignment();
-
- if (const Expr *BitWidthExpr = FD->getBitWidth()) {
- // TODO: Need to check this algorithm on other targets!
- // (tested on Linux-X86)
- FieldSize = BitWidthExpr->EvaluateAsInt(Context).getZExtValue();
-
- std::pair<uint64_t, unsigned> FieldInfo =
- Context.getTypeInfo(FD->getType());
- uint64_t TypeSize = FieldInfo.first;
-
- // Determine the alignment of this bitfield. The packing
- // attributes define a maximum and the alignment attribute defines
- // a minimum.
- // FIXME: What is the right behavior when the specified alignment
- // is smaller than the specified packing?
- FieldAlign = FieldInfo.second;
- if (FieldPacking)
- FieldAlign = std::min(FieldAlign, FieldPacking);
- if (const AlignedAttr *AA = FD->getAttr<AlignedAttr>())
- FieldAlign = std::max(FieldAlign, AA->getAlignment());
-
- // Check if we need to add padding to give the field the correct
- // alignment.
- if (FieldSize == 0 || (FieldOffset & (FieldAlign-1)) + FieldSize > TypeSize)
- FieldOffset = (FieldOffset + (FieldAlign-1)) & ~(FieldAlign-1);
-
- // Padding members don't affect overall alignment
- if (!FD->getIdentifier())
- FieldAlign = 1;
- } else {
- if (FD->getType()->isIncompleteArrayType()) {
- // This is a flexible array member; we can't directly
- // query getTypeInfo about these, so we figure it out here.
- // Flexible array members don't have any size, but they
- // have to be aligned appropriately for their element type.
- FieldSize = 0;
- const ArrayType* ATy = Context.getAsArrayType(FD->getType());
- FieldAlign = Context.getTypeAlign(ATy->getElementType());
- } else if (const ReferenceType *RT = FD->getType()->getAsReferenceType()) {
- unsigned AS = RT->getPointeeType().getAddressSpace();
- FieldSize = Context.Target.getPointerWidth(AS);
- FieldAlign = Context.Target.getPointerAlign(AS);
- } else {
- std::pair<uint64_t, unsigned> FieldInfo =
- Context.getTypeInfo(FD->getType());
- FieldSize = FieldInfo.first;
- FieldAlign = FieldInfo.second;
- }
-
- // Determine the alignment of this bitfield. The packing
- // attributes define a maximum and the alignment attribute defines
- // a minimum. Additionally, the packing alignment must be at least
- // a byte for non-bitfields.
- //
- // FIXME: What is the right behavior when the specified alignment
- // is smaller than the specified packing?
- if (FieldPacking)
- FieldAlign = std::min(FieldAlign, std::max(8U, FieldPacking));
- if (const AlignedAttr *AA = FD->getAttr<AlignedAttr>())
- FieldAlign = std::max(FieldAlign, AA->getAlignment());
-
- // Round up the current record size to the field's alignment boundary.
- FieldOffset = (FieldOffset + (FieldAlign-1)) & ~(FieldAlign-1);
- }
-
- // Place this field at the current location.
- FieldOffsets[FieldNo] = FieldOffset;
-
- // Reserve space for this field.
- if (IsUnion) {
- Size = std::max(Size, FieldSize);
- } else {
- Size = FieldOffset + FieldSize;
- }
-
- // Remember the next available offset.
- NextOffset = Size;
-
- // Remember max struct/class alignment.
- Alignment = std::max(Alignment, FieldAlign);
-}
-
static void CollectLocalObjCIvars(ASTContext *Ctx,
const ObjCInterfaceDecl *OI,
llvm::SmallVectorImpl<FieldDecl*> &Fields) {
@@ -836,7 +845,7 @@ void ASTContext::CollectProtocolSynthesizedIvars(const ObjCProtocolDecl *PD,
E = PD->prop_end(); I != E; ++I)
if (ObjCIvarDecl *Ivar = (*I)->getPropertyIvarDecl())
Ivars.push_back(Ivar);
-
+
// Also look into nested protocols.
for (ObjCProtocolDecl::protocol_iterator P = PD->protocol_begin(),
E = PD->protocol_end(); P != E; ++P)
@@ -876,8 +885,7 @@ unsigned ASTContext::CountProtocolSynthesizedIvars(const ObjCProtocolDecl *PD) {
return count;
}
-unsigned ASTContext::CountSynthesizedIvars(const ObjCInterfaceDecl *OI)
-{
+unsigned ASTContext::CountSynthesizedIvars(const ObjCInterfaceDecl *OI) {
unsigned count = 0;
for (ObjCInterfaceDecl::prop_iterator I = OI->prop_begin(),
E = OI->prop_end(); I != E; ++I) {
@@ -894,6 +902,52 @@ unsigned ASTContext::CountSynthesizedIvars(const ObjCInterfaceDecl *OI)
return count;
}
+/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists.
+ObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) {
+ llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator
+ I = ObjCImpls.find(D);
+ if (I != ObjCImpls.end())
+ return cast<ObjCImplementationDecl>(I->second);
+ return 0;
+}
+/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists.
+ObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) {
+ llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator
+ I = ObjCImpls.find(D);
+ if (I != ObjCImpls.end())
+ return cast<ObjCCategoryImplDecl>(I->second);
+ return 0;
+}
+
+/// \brief Set the implementation of ObjCInterfaceDecl.
+void ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD,
+ ObjCImplementationDecl *ImplD) {
+ assert(IFaceD && ImplD && "Passed null params");
+ ObjCImpls[IFaceD] = ImplD;
+}
+/// \brief Set the implementation of ObjCCategoryDecl.
+void ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD,
+ ObjCCategoryImplDecl *ImplD) {
+ assert(CatD && ImplD && "Passed null params");
+ ObjCImpls[CatD] = ImplD;
+}
+
+/// \brief Allocate an uninitialized DeclaratorInfo.
+///
+/// The caller should initialize the memory held by DeclaratorInfo using
+/// the TypeLoc wrappers.
+///
+/// \param T the type that will be the basis for type source info. This type
+/// should refer to how the declarator was written in source code, not to
+/// what type semantic analysis resolved the declarator to.
+DeclaratorInfo *ASTContext::CreateDeclaratorInfo(QualType T) {
+ unsigned DataSize = TypeLoc::getFullDataSizeForType(T);
+ DeclaratorInfo *DInfo =
+ (DeclaratorInfo*)BumpAlloc.Allocate(sizeof(DeclaratorInfo) + DataSize, 8);
+ new (DInfo) DeclaratorInfo(T);
+ return DInfo;
+}
+
/// getInterfaceLayoutImpl - Get or compute information about the
/// layout of the given interface.
///
@@ -905,14 +959,14 @@ ASTContext::getObjCLayout(const ObjCInterfaceDecl *D,
assert(!D->isForwardDecl() && "Invalid interface decl!");
// Look up this layout, if already laid out, return what we have.
- ObjCContainerDecl *Key =
+ ObjCContainerDecl *Key =
Impl ? (ObjCContainerDecl*) Impl : (ObjCContainerDecl*) D;
if (const ASTRecordLayout *Entry = ObjCLayouts[Key])
return *Entry;
- unsigned FieldCount = D->ivar_size();
// Add in synthesized ivar count if laying out an implementation.
if (Impl) {
+ unsigned FieldCount = D->ivar_size();
unsigned SynthCount = CountSynthesizedIvars(D);
FieldCount += SynthCount;
// If there aren't any sythesized ivars then reuse the interface
@@ -923,40 +977,10 @@ ASTContext::getObjCLayout(const ObjCInterfaceDecl *D,
return getObjCLayout(D, 0);
}
- ASTRecordLayout *NewEntry = NULL;
- if (ObjCInterfaceDecl *SD = D->getSuperClass()) {
- const ASTRecordLayout &SL = getASTObjCInterfaceLayout(SD);
- unsigned Alignment = SL.getAlignment();
-
- // We start laying out ivars not at the end of the superclass
- // structure, but at the next byte following the last field.
- uint64_t Size = llvm::RoundUpToAlignment(SL.NextOffset, 8);
+ const ASTRecordLayout *NewEntry =
+ ASTRecordLayoutBuilder::ComputeLayout(*this, D, Impl);
+ ObjCLayouts[Key] = NewEntry;
- ObjCLayouts[Key] = NewEntry = new ASTRecordLayout(Size, Alignment);
- NewEntry->InitializeLayout(FieldCount);
- } else {
- ObjCLayouts[Key] = NewEntry = new ASTRecordLayout();
- NewEntry->InitializeLayout(FieldCount);
- }
-
- unsigned StructPacking = 0;
- if (const PackedAttr *PA = D->getAttr<PackedAttr>())
- StructPacking = PA->getAlignment();
-
- if (const AlignedAttr *AA = D->getAttr<AlignedAttr>())
- NewEntry->SetAlignment(std::max(NewEntry->getAlignment(),
- AA->getAlignment()));
-
- // Layout each ivar sequentially.
- unsigned i = 0;
- llvm::SmallVector<ObjCIvarDecl*, 16> Ivars;
- ShallowCollectObjCIvars(D, Ivars, Impl);
- for (unsigned k = 0, e = Ivars.size(); k != e; ++k)
- NewEntry->LayoutField(Ivars[k], i++, false, StructPacking, *this);
-
- // Finally, round the size of the total struct up to the alignment of the
- // struct itself.
- NewEntry->FinalizeLayout();
return *NewEntry;
}
@@ -978,37 +1002,15 @@ const ASTRecordLayout &ASTContext::getASTRecordLayout(const RecordDecl *D) {
assert(D && "Cannot get layout of forward declarations!");
// Look up this layout, if already laid out, return what we have.
- const ASTRecordLayout *&Entry = ASTRecordLayouts[D];
+ // Note that we can't save a reference to the entry because this function
+ // is recursive.
+ const ASTRecordLayout *Entry = ASTRecordLayouts[D];
if (Entry) return *Entry;
- // Allocate and assign into ASTRecordLayouts here. The "Entry" reference can
- // be invalidated (dangle) if the ASTRecordLayouts hashtable is inserted into.
- ASTRecordLayout *NewEntry = new ASTRecordLayout();
- Entry = NewEntry;
-
- // FIXME: Avoid linear walk through the fields, if possible.
- NewEntry->InitializeLayout(std::distance(D->field_begin(), D->field_end()));
- bool IsUnion = D->isUnion();
-
- unsigned StructPacking = 0;
- if (const PackedAttr *PA = D->getAttr<PackedAttr>())
- StructPacking = PA->getAlignment();
-
- if (const AlignedAttr *AA = D->getAttr<AlignedAttr>())
- NewEntry->SetAlignment(std::max(NewEntry->getAlignment(),
- AA->getAlignment()));
-
- // Layout each field, for now, just sequentially, respecting alignment. In
- // the future, this will need to be tweakable by targets.
- unsigned FieldIdx = 0;
- for (RecordDecl::field_iterator Field = D->field_begin(),
- FieldEnd = D->field_end();
- Field != FieldEnd; (void)++Field, ++FieldIdx)
- NewEntry->LayoutField(*Field, FieldIdx, IsUnion, StructPacking, *this);
-
- // Finally, round the size of the total struct up to the alignment of the
- // struct itself.
- NewEntry->FinalizeLayout(getLangOptions().CPlusPlus);
+ const ASTRecordLayout *NewEntry =
+ ASTRecordLayoutBuilder::ComputeLayout(*this, D);
+ ASTRecordLayouts[D] = NewEntry;
+
return *NewEntry;
}
@@ -1016,102 +1018,111 @@ const ASTRecordLayout &ASTContext::getASTRecordLayout(const RecordDecl *D) {
// Type creation/memoization methods
//===----------------------------------------------------------------------===//
+QualType ASTContext::getExtQualType(const Type *TypeNode, Qualifiers Quals) {
+ unsigned Fast = Quals.getFastQualifiers();
+ Quals.removeFastQualifiers();
+
+ // Check if we've already instantiated this type.
+ llvm::FoldingSetNodeID ID;
+ ExtQuals::Profile(ID, TypeNode, Quals);
+ void *InsertPos = 0;
+ if (ExtQuals *EQ = ExtQualNodes.FindNodeOrInsertPos(ID, InsertPos)) {
+ assert(EQ->getQualifiers() == Quals);
+ QualType T = QualType(EQ, Fast);
+ return T;
+ }
+
+ ExtQuals *New = new (*this, TypeAlignment) ExtQuals(*this, TypeNode, Quals);
+ ExtQualNodes.InsertNode(New, InsertPos);
+ QualType T = QualType(New, Fast);
+ return T;
+}
+
+QualType ASTContext::getVolatileType(QualType T) {
+ QualType CanT = getCanonicalType(T);
+ if (CanT.isVolatileQualified()) return T;
+
+ QualifierCollector Quals;
+ const Type *TypeNode = Quals.strip(T);
+ Quals.addVolatile();
+
+ return getExtQualType(TypeNode, Quals);
+}
+
QualType ASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) {
QualType CanT = getCanonicalType(T);
if (CanT.getAddressSpace() == AddressSpace)
return T;
- // If we are composing extended qualifiers together, merge together into one
- // ExtQualType node.
- unsigned CVRQuals = T.getCVRQualifiers();
- QualType::GCAttrTypes GCAttr = QualType::GCNone;
- Type *TypeNode = T.getTypePtr();
-
- if (ExtQualType *EQT = dyn_cast<ExtQualType>(TypeNode)) {
- // If this type already has an address space specified, it cannot get
- // another one.
- assert(EQT->getAddressSpace() == 0 &&
- "Type cannot be in multiple addr spaces!");
- GCAttr = EQT->getObjCGCAttr();
- TypeNode = EQT->getBaseType();
- }
-
- // Check if we've already instantiated this type.
- llvm::FoldingSetNodeID ID;
- ExtQualType::Profile(ID, TypeNode, AddressSpace, GCAttr);
- void *InsertPos = 0;
- if (ExtQualType *EXTQy = ExtQualTypes.FindNodeOrInsertPos(ID, InsertPos))
- return QualType(EXTQy, CVRQuals);
+ // If we are composing extended qualifiers together, merge together
+ // into one ExtQuals node.
+ QualifierCollector Quals;
+ const Type *TypeNode = Quals.strip(T);
- // If the base type isn't canonical, this won't be a canonical type either,
- // so fill in the canonical type field.
- QualType Canonical;
- if (!TypeNode->isCanonical()) {
- Canonical = getAddrSpaceQualType(CanT, AddressSpace);
-
- // Update InsertPos, the previous call could have invalidated it.
- ExtQualType *NewIP = ExtQualTypes.FindNodeOrInsertPos(ID, InsertPos);
- assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP;
- }
- ExtQualType *New =
- new (*this, 8) ExtQualType(TypeNode, Canonical, AddressSpace, GCAttr);
- ExtQualTypes.InsertNode(New, InsertPos);
- Types.push_back(New);
- return QualType(New, CVRQuals);
+ // If this type already has an address space specified, it cannot get
+ // another one.
+ assert(!Quals.hasAddressSpace() &&
+ "Type cannot be in multiple addr spaces!");
+ Quals.addAddressSpace(AddressSpace);
+
+ return getExtQualType(TypeNode, Quals);
}
QualType ASTContext::getObjCGCQualType(QualType T,
- QualType::GCAttrTypes GCAttr) {
+ Qualifiers::GC GCAttr) {
QualType CanT = getCanonicalType(T);
if (CanT.getObjCGCAttr() == GCAttr)
return T;
-
+
if (T->isPointerType()) {
- QualType Pointee = T->getAsPointerType()->getPointeeType();
- if (Pointee->isPointerType()) {
+ QualType Pointee = T->getAs<PointerType>()->getPointeeType();
+ if (Pointee->isAnyPointerType()) {
QualType ResultType = getObjCGCQualType(Pointee, GCAttr);
return getPointerType(ResultType);
}
}
- // If we are composing extended qualifiers together, merge together into one
- // ExtQualType node.
- unsigned CVRQuals = T.getCVRQualifiers();
- Type *TypeNode = T.getTypePtr();
- unsigned AddressSpace = 0;
-
- if (ExtQualType *EQT = dyn_cast<ExtQualType>(TypeNode)) {
- // If this type already has an address space specified, it cannot get
- // another one.
- assert(EQT->getObjCGCAttr() == QualType::GCNone &&
- "Type cannot be in multiple addr spaces!");
- AddressSpace = EQT->getAddressSpace();
- TypeNode = EQT->getBaseType();
- }
-
- // Check if we've already instantiated an gc qual'd type of this type.
- llvm::FoldingSetNodeID ID;
- ExtQualType::Profile(ID, TypeNode, AddressSpace, GCAttr);
- void *InsertPos = 0;
- if (ExtQualType *EXTQy = ExtQualTypes.FindNodeOrInsertPos(ID, InsertPos))
- return QualType(EXTQy, CVRQuals);
-
- // If the base type isn't canonical, this won't be a canonical type either,
- // so fill in the canonical type field.
- // FIXME: Isn't this also not canonical if the base type is a array
- // or pointer type? I can't find any documentation for objc_gc, though...
- QualType Canonical;
- if (!T->isCanonical()) {
- Canonical = getObjCGCQualType(CanT, GCAttr);
-
- // Update InsertPos, the previous call could have invalidated it.
- ExtQualType *NewIP = ExtQualTypes.FindNodeOrInsertPos(ID, InsertPos);
- assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP;
+
+ // If we are composing extended qualifiers together, merge together
+ // into one ExtQuals node.
+ QualifierCollector Quals;
+ const Type *TypeNode = Quals.strip(T);
+
+ // If this type already has an ObjCGC specified, it cannot get
+ // another one.
+ assert(!Quals.hasObjCGCAttr() &&
+ "Type cannot have multiple ObjCGCs!");
+ Quals.addObjCGCAttr(GCAttr);
+
+ return getExtQualType(TypeNode, Quals);
+}
+
+QualType ASTContext::getNoReturnType(QualType T) {
+ QualType ResultType;
+ if (T->isPointerType()) {
+ QualType Pointee = T->getAs<PointerType>()->getPointeeType();
+ ResultType = getNoReturnType(Pointee);
+ ResultType = getPointerType(ResultType);
+ } else if (T->isBlockPointerType()) {
+ QualType Pointee = T->getAs<BlockPointerType>()->getPointeeType();
+ ResultType = getNoReturnType(Pointee);
+ ResultType = getBlockPointerType(ResultType);
+ } else {
+ assert (T->isFunctionType()
+ && "can't noreturn qualify non-pointer to function or block type");
+
+ if (const FunctionNoProtoType *FNPT = T->getAs<FunctionNoProtoType>()) {
+ ResultType = getFunctionNoProtoType(FNPT->getResultType(), true);
+ } else {
+ const FunctionProtoType *F = T->getAs<FunctionProtoType>();
+ ResultType
+ = getFunctionType(F->getResultType(), F->arg_type_begin(),
+ F->getNumArgs(), F->isVariadic(), F->getTypeQuals(),
+ F->hasExceptionSpec(), F->hasAnyExceptionSpec(),
+ F->getNumExceptions(), F->exception_begin(), true);
+ }
}
- ExtQualType *New =
- new (*this, 8) ExtQualType(TypeNode, Canonical, AddressSpace, GCAttr);
- ExtQualTypes.InsertNode(New, InsertPos);
- Types.push_back(New);
- return QualType(New, CVRQuals);
+
+ return getQualifiedType(ResultType, T.getQualifiers());
}
/// getComplexType - Return the uniqued reference to the type for a complex
@@ -1121,22 +1132,22 @@ QualType ASTContext::getComplexType(QualType T) {
// structure.
llvm::FoldingSetNodeID ID;
ComplexType::Profile(ID, T);
-
+
void *InsertPos = 0;
if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos))
return QualType(CT, 0);
-
+
// If the pointee type isn't canonical, this won't be a canonical type either,
// so fill in the canonical type field.
QualType Canonical;
if (!T->isCanonical()) {
Canonical = getComplexType(getCanonicalType(T));
-
+
// Get the new insert position for the node we care about.
ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos);
assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP;
}
- ComplexType *New = new (*this,8) ComplexType(T, Canonical);
+ ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical);
Types.push_back(New);
ComplexTypes.InsertNode(New, InsertPos);
return QualType(New, 0);
@@ -1158,28 +1169,28 @@ QualType ASTContext::getPointerType(QualType T) {
// structure.
llvm::FoldingSetNodeID ID;
PointerType::Profile(ID, T);
-
+
void *InsertPos = 0;
if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos))
return QualType(PT, 0);
-
+
// If the pointee type isn't canonical, this won't be a canonical type either,
// so fill in the canonical type field.
QualType Canonical;
if (!T->isCanonical()) {
Canonical = getPointerType(getCanonicalType(T));
-
+
// Get the new insert position for the node we care about.
PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos);
assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP;
}
- PointerType *New = new (*this,8) PointerType(T, Canonical);
+ PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical);
Types.push_back(New);
PointerTypes.InsertNode(New, InsertPos);
return QualType(New, 0);
}
-/// getBlockPointerType - Return the uniqued reference to the type for
+/// getBlockPointerType - Return the uniqued reference to the type for
/// a pointer to the specified block.
QualType ASTContext::getBlockPointerType(QualType T) {
assert(T->isFunctionType() && "block of function types only");
@@ -1187,24 +1198,25 @@ QualType ASTContext::getBlockPointerType(QualType T) {
// structure.
llvm::FoldingSetNodeID ID;
BlockPointerType::Profile(ID, T);
-
+
void *InsertPos = 0;
if (BlockPointerType *PT =
BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos))
return QualType(PT, 0);
-
- // If the block pointee type isn't canonical, this won't be a canonical
+
+ // If the block pointee type isn't canonical, this won't be a canonical
// type either so fill in the canonical type field.
QualType Canonical;
if (!T->isCanonical()) {
Canonical = getBlockPointerType(getCanonicalType(T));
-
+
// Get the new insert position for the node we care about.
BlockPointerType *NewIP =
BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos);
assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP;
}
- BlockPointerType *New = new (*this,8) BlockPointerType(T, Canonical);
+ BlockPointerType *New
+ = new (*this, TypeAlignment) BlockPointerType(T, Canonical);
Types.push_back(New);
BlockPointerTypes.InsertNode(New, InsertPos);
return QualType(New, 0);
@@ -1235,7 +1247,8 @@ QualType ASTContext::getLValueReferenceType(QualType T) {
assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP;
}
- LValueReferenceType *New = new (*this,8) LValueReferenceType(T, Canonical);
+ LValueReferenceType *New
+ = new (*this, TypeAlignment) LValueReferenceType(T, Canonical);
Types.push_back(New);
LValueReferenceTypes.InsertNode(New, InsertPos);
return QualType(New, 0);
@@ -1266,7 +1279,8 @@ QualType ASTContext::getRValueReferenceType(QualType T) {
assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP;
}
- RValueReferenceType *New = new (*this,8) RValueReferenceType(T, Canonical);
+ RValueReferenceType *New
+ = new (*this, TypeAlignment) RValueReferenceType(T, Canonical);
Types.push_back(New);
RValueReferenceTypes.InsertNode(New, InsertPos);
return QualType(New, 0);
@@ -1274,8 +1288,7 @@ QualType ASTContext::getRValueReferenceType(QualType T) {
/// getMemberPointerType - Return the uniqued reference to the type for a
/// member pointer to the specified type, in the specified class.
-QualType ASTContext::getMemberPointerType(QualType T, const Type *Cls)
-{
+QualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) {
// Unique pointers, to guarantee there is only one pointer of a particular
// structure.
llvm::FoldingSetNodeID ID;
@@ -1297,15 +1310,16 @@ QualType ASTContext::getMemberPointerType(QualType T, const Type *Cls)
MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos);
assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP;
}
- MemberPointerType *New = new (*this,8) MemberPointerType(T, Cls, Canonical);
+ MemberPointerType *New
+ = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical);
Types.push_back(New);
MemberPointerTypes.InsertNode(New, InsertPos);
return QualType(New, 0);
}
-/// getConstantArrayType - Return the unique reference to the type for an
+/// getConstantArrayType - Return the unique reference to the type for an
/// array of the specified element type.
-QualType ASTContext::getConstantArrayType(QualType EltTy,
+QualType ASTContext::getConstantArrayType(QualType EltTy,
const llvm::APInt &ArySizeIn,
ArrayType::ArraySizeModifier ASM,
unsigned EltTypeQuals) {
@@ -1316,44 +1330,93 @@ QualType ASTContext::getConstantArrayType(QualType EltTy,
// the target.
llvm::APInt ArySize(ArySizeIn);
ArySize.zextOrTrunc(Target.getPointerWidth(EltTy.getAddressSpace()));
-
+
llvm::FoldingSetNodeID ID;
ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, EltTypeQuals);
-
+
void *InsertPos = 0;
- if (ConstantArrayType *ATP =
+ if (ConstantArrayType *ATP =
ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos))
return QualType(ATP, 0);
-
+
// If the element type isn't canonical, this won't be a canonical type either,
// so fill in the canonical type field.
QualType Canonical;
if (!EltTy->isCanonical()) {
- Canonical = getConstantArrayType(getCanonicalType(EltTy), ArySize,
+ Canonical = getConstantArrayType(getCanonicalType(EltTy), ArySize,
ASM, EltTypeQuals);
// Get the new insert position for the node we care about.
- ConstantArrayType *NewIP =
+ ConstantArrayType *NewIP =
ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos);
assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP;
}
-
- ConstantArrayType *New =
- new(*this,8)ConstantArrayType(EltTy, Canonical, ArySize, ASM, EltTypeQuals);
+
+ ConstantArrayType *New = new(*this,TypeAlignment)
+ ConstantArrayType(EltTy, Canonical, ArySize, ASM, EltTypeQuals);
ConstantArrayTypes.InsertNode(New, InsertPos);
Types.push_back(New);
return QualType(New, 0);
}
+/// getConstantArrayWithExprType - Return a reference to the type for
+/// an array of the specified element type.
+QualType
+ASTContext::getConstantArrayWithExprType(QualType EltTy,
+ const llvm::APInt &ArySizeIn,
+ Expr *ArySizeExpr,
+ ArrayType::ArraySizeModifier ASM,
+ unsigned EltTypeQuals,
+ SourceRange Brackets) {
+ // Convert the array size into a canonical width matching the pointer
+ // size for the target.
+ llvm::APInt ArySize(ArySizeIn);
+ ArySize.zextOrTrunc(Target.getPointerWidth(EltTy.getAddressSpace()));
+
+ // Compute the canonical ConstantArrayType.
+ QualType Canonical = getConstantArrayType(getCanonicalType(EltTy),
+ ArySize, ASM, EltTypeQuals);
+ // Since we don't unique expressions, it isn't possible to unique VLA's
+ // that have an expression provided for their size.
+ ConstantArrayWithExprType *New = new(*this, TypeAlignment)
+ ConstantArrayWithExprType(EltTy, Canonical, ArySize, ArySizeExpr,
+ ASM, EltTypeQuals, Brackets);
+ Types.push_back(New);
+ return QualType(New, 0);
+}
+
+/// getConstantArrayWithoutExprType - Return a reference to the type for
+/// an array of the specified element type.
+QualType
+ASTContext::getConstantArrayWithoutExprType(QualType EltTy,
+ const llvm::APInt &ArySizeIn,
+ ArrayType::ArraySizeModifier ASM,
+ unsigned EltTypeQuals) {
+ // Convert the array size into a canonical width matching the pointer
+ // size for the target.
+ llvm::APInt ArySize(ArySizeIn);
+ ArySize.zextOrTrunc(Target.getPointerWidth(EltTy.getAddressSpace()));
+
+ // Compute the canonical ConstantArrayType.
+ QualType Canonical = getConstantArrayType(getCanonicalType(EltTy),
+ ArySize, ASM, EltTypeQuals);
+ ConstantArrayWithoutExprType *New = new(*this, TypeAlignment)
+ ConstantArrayWithoutExprType(EltTy, Canonical, ArySize, ASM, EltTypeQuals);
+ Types.push_back(New);
+ return QualType(New, 0);
+}
+
/// getVariableArrayType - Returns a non-unique reference to the type for a
/// variable array of the specified element type.
-QualType ASTContext::getVariableArrayType(QualType EltTy, Expr *NumElts,
+QualType ASTContext::getVariableArrayType(QualType EltTy,
+ Expr *NumElts,
ArrayType::ArraySizeModifier ASM,
- unsigned EltTypeQuals) {
+ unsigned EltTypeQuals,
+ SourceRange Brackets) {
// Since we don't unique expressions, it isn't possible to unique VLA's
// that have an expression provided for their size.
- VariableArrayType *New =
- new(*this,8)VariableArrayType(EltTy,QualType(), NumElts, ASM, EltTypeQuals);
+ VariableArrayType *New = new(*this, TypeAlignment)
+ VariableArrayType(EltTy, QualType(), NumElts, ASM, EltTypeQuals, Brackets);
VariableArrayTypes.push_back(New);
Types.push_back(New);
@@ -1362,22 +1425,46 @@ QualType ASTContext::getVariableArrayType(QualType EltTy, Expr *NumElts,
/// getDependentSizedArrayType - Returns a non-unique reference to
/// the type for a dependently-sized array of the specified element
-/// type. FIXME: We will need these to be uniqued, or at least
-/// comparable, at some point.
-QualType ASTContext::getDependentSizedArrayType(QualType EltTy, Expr *NumElts,
+/// type.
+QualType ASTContext::getDependentSizedArrayType(QualType EltTy,
+ Expr *NumElts,
ArrayType::ArraySizeModifier ASM,
- unsigned EltTypeQuals) {
- assert((NumElts->isTypeDependent() || NumElts->isValueDependent()) &&
+ unsigned EltTypeQuals,
+ SourceRange Brackets) {
+ assert((NumElts->isTypeDependent() || NumElts->isValueDependent()) &&
"Size must be type- or value-dependent!");
- // Since we don't unique expressions, it isn't possible to unique
- // dependently-sized array types.
+ llvm::FoldingSetNodeID ID;
+ DependentSizedArrayType::Profile(ID, *this, getCanonicalType(EltTy), ASM,
+ EltTypeQuals, NumElts);
- DependentSizedArrayType *New =
- new (*this,8) DependentSizedArrayType(EltTy, QualType(), NumElts,
- ASM, EltTypeQuals);
+ void *InsertPos = 0;
+ DependentSizedArrayType *Canon
+ = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos);
+ DependentSizedArrayType *New;
+ if (Canon) {
+ // We already have a canonical version of this array type; use it as
+ // the canonical type for a newly-built type.
+ New = new (*this, TypeAlignment)
+ DependentSizedArrayType(*this, EltTy, QualType(Canon, 0),
+ NumElts, ASM, EltTypeQuals, Brackets);
+ } else {
+ QualType CanonEltTy = getCanonicalType(EltTy);
+ if (CanonEltTy == EltTy) {
+ New = new (*this, TypeAlignment)
+ DependentSizedArrayType(*this, EltTy, QualType(),
+ NumElts, ASM, EltTypeQuals, Brackets);
+ DependentSizedArrayTypes.InsertNode(New, InsertPos);
+ } else {
+ QualType Canon = getDependentSizedArrayType(CanonEltTy, NumElts,
+ ASM, EltTypeQuals,
+ SourceRange());
+ New = new (*this, TypeAlignment)
+ DependentSizedArrayType(*this, EltTy, Canon,
+ NumElts, ASM, EltTypeQuals, Brackets);
+ }
+ }
- DependentSizedArrayTypes.push_back(New);
Types.push_back(New);
return QualType(New, 0);
}
@@ -1389,7 +1476,7 @@ QualType ASTContext::getIncompleteArrayType(QualType EltTy,
IncompleteArrayType::Profile(ID, EltTy, ASM, EltTypeQuals);
void *InsertPos = 0;
- if (IncompleteArrayType *ATP =
+ if (IncompleteArrayType *ATP =
IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos))
return QualType(ATP, 0);
@@ -1407,8 +1494,8 @@ QualType ASTContext::getIncompleteArrayType(QualType EltTy,
assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP;
}
- IncompleteArrayType *New = new (*this,8) IncompleteArrayType(EltTy, Canonical,
- ASM, EltTypeQuals);
+ IncompleteArrayType *New = new (*this, TypeAlignment)
+ IncompleteArrayType(EltTy, Canonical, ASM, EltTypeQuals);
IncompleteArrayTypes.InsertNode(New, InsertPos);
Types.push_back(New);
@@ -1419,13 +1506,13 @@ QualType ASTContext::getIncompleteArrayType(QualType EltTy,
/// the specified element type and size. VectorType must be a built-in type.
QualType ASTContext::getVectorType(QualType vecType, unsigned NumElts) {
BuiltinType *baseType;
-
+
baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr());
assert(baseType != 0 && "getVectorType(): Expecting a built-in type");
-
+
// Check if we've already instantiated a vector of this type.
llvm::FoldingSetNodeID ID;
- VectorType::Profile(ID, vecType, NumElts, Type::Vector);
+ VectorType::Profile(ID, vecType, NumElts, Type::Vector);
void *InsertPos = 0;
if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos))
return QualType(VTP, 0);
@@ -1435,12 +1522,13 @@ QualType ASTContext::getVectorType(QualType vecType, unsigned NumElts) {
QualType Canonical;
if (!vecType->isCanonical()) {
Canonical = getVectorType(getCanonicalType(vecType), NumElts);
-
+
// Get the new insert position for the node we care about.
VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos);
assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP;
}
- VectorType *New = new (*this,8) VectorType(vecType, NumElts, Canonical);
+ VectorType *New = new (*this, TypeAlignment)
+ VectorType(vecType, NumElts, Canonical);
VectorTypes.InsertNode(New, InsertPos);
Types.push_back(New);
return QualType(New, 0);
@@ -1450,13 +1538,13 @@ QualType ASTContext::getVectorType(QualType vecType, unsigned NumElts) {
/// the specified element type and size. VectorType must be a built-in type.
QualType ASTContext::getExtVectorType(QualType vecType, unsigned NumElts) {
BuiltinType *baseType;
-
+
baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr());
assert(baseType != 0 && "getExtVectorType(): Expecting a built-in type");
-
+
// Check if we've already instantiated a vector of this type.
llvm::FoldingSetNodeID ID;
- VectorType::Profile(ID, vecType, NumElts, Type::ExtVector);
+ VectorType::Profile(ID, vecType, NumElts, Type::ExtVector);
void *InsertPos = 0;
if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos))
return QualType(VTP, 0);
@@ -1466,53 +1554,79 @@ QualType ASTContext::getExtVectorType(QualType vecType, unsigned NumElts) {
QualType Canonical;
if (!vecType->isCanonical()) {
Canonical = getExtVectorType(getCanonicalType(vecType), NumElts);
-
+
// Get the new insert position for the node we care about.
VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos);
assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP;
}
- ExtVectorType *New = new (*this,8) ExtVectorType(vecType, NumElts, Canonical);
+ ExtVectorType *New = new (*this, TypeAlignment)
+ ExtVectorType(vecType, NumElts, Canonical);
VectorTypes.InsertNode(New, InsertPos);
Types.push_back(New);
return QualType(New, 0);
}
-QualType ASTContext::getDependentSizedExtVectorType(QualType vecType,
+QualType ASTContext::getDependentSizedExtVectorType(QualType vecType,
Expr *SizeExpr,
SourceLocation AttrLoc) {
- DependentSizedExtVectorType *New =
- new (*this,8) DependentSizedExtVectorType(vecType, QualType(),
- SizeExpr, AttrLoc);
+ llvm::FoldingSetNodeID ID;
+ DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType),
+ SizeExpr);
+
+ void *InsertPos = 0;
+ DependentSizedExtVectorType *Canon
+ = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos);
+ DependentSizedExtVectorType *New;
+ if (Canon) {
+ // We already have a canonical version of this array type; use it as
+ // the canonical type for a newly-built type.
+ New = new (*this, TypeAlignment)
+ DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0),
+ SizeExpr, AttrLoc);
+ } else {
+ QualType CanonVecTy = getCanonicalType(vecType);
+ if (CanonVecTy == vecType) {
+ New = new (*this, TypeAlignment)
+ DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr,
+ AttrLoc);
+ DependentSizedExtVectorTypes.InsertNode(New, InsertPos);
+ } else {
+ QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr,
+ SourceLocation());
+ New = new (*this, TypeAlignment)
+ DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc);
+ }
+ }
- DependentSizedExtVectorTypes.push_back(New);
Types.push_back(New);
return QualType(New, 0);
}
/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'.
///
-QualType ASTContext::getFunctionNoProtoType(QualType ResultTy) {
+QualType ASTContext::getFunctionNoProtoType(QualType ResultTy, bool NoReturn) {
// Unique functions, to guarantee there is only one function of a particular
// structure.
llvm::FoldingSetNodeID ID;
- FunctionNoProtoType::Profile(ID, ResultTy);
-
+ FunctionNoProtoType::Profile(ID, ResultTy, NoReturn);
+
void *InsertPos = 0;
- if (FunctionNoProtoType *FT =
+ if (FunctionNoProtoType *FT =
FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos))
return QualType(FT, 0);
-
+
QualType Canonical;
if (!ResultTy->isCanonical()) {
- Canonical = getFunctionNoProtoType(getCanonicalType(ResultTy));
-
+ Canonical = getFunctionNoProtoType(getCanonicalType(ResultTy), NoReturn);
+
// Get the new insert position for the node we care about.
FunctionNoProtoType *NewIP =
FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos);
assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP;
}
-
- FunctionNoProtoType *New =new(*this,8)FunctionNoProtoType(ResultTy,Canonical);
+
+ FunctionNoProtoType *New = new (*this, TypeAlignment)
+ FunctionNoProtoType(ResultTy, Canonical, NoReturn);
Types.push_back(New);
FunctionNoProtoTypes.InsertNode(New, InsertPos);
return QualType(New, 0);
@@ -1524,16 +1638,22 @@ QualType ASTContext::getFunctionType(QualType ResultTy,const QualType *ArgArray,
unsigned NumArgs, bool isVariadic,
unsigned TypeQuals, bool hasExceptionSpec,
bool hasAnyExceptionSpec, unsigned NumExs,
- const QualType *ExArray) {
+ const QualType *ExArray, bool NoReturn) {
+ if (LangOpts.CPlusPlus) {
+ for (unsigned i = 0; i != NumArgs; ++i)
+ assert(!ArgArray[i].hasQualifiers() &&
+ "C++ arguments can't have toplevel qualifiers!");
+ }
+
// Unique functions, to guarantee there is only one function of a particular
// structure.
llvm::FoldingSetNodeID ID;
FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, isVariadic,
TypeQuals, hasExceptionSpec, hasAnyExceptionSpec,
- NumExs, ExArray);
+ NumExs, ExArray, NoReturn);
void *InsertPos = 0;
- if (FunctionProtoType *FTP =
+ if (FunctionProtoType *FTP =
FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos))
return QualType(FTP, 0);
@@ -1556,7 +1676,8 @@ QualType ASTContext::getFunctionType(QualType ResultTy,const QualType *ArgArray,
Canonical = getFunctionType(getCanonicalType(ResultTy),
CanonicalArgs.data(), NumArgs,
- isVariadic, TypeQuals);
+ isVariadic, TypeQuals, false,
+ false, 0, 0, NoReturn);
// Get the new insert position for the node we care about.
FunctionProtoType *NewIP =
@@ -1567,13 +1688,13 @@ QualType ASTContext::getFunctionType(QualType ResultTy,const QualType *ArgArray,
// FunctionProtoType objects are allocated with extra bytes after them
// for two variable size arrays (for parameter and exception types) at the
// end of them.
- FunctionProtoType *FTP =
+ FunctionProtoType *FTP =
(FunctionProtoType*)Allocate(sizeof(FunctionProtoType) +
NumArgs*sizeof(QualType) +
- NumExs*sizeof(QualType), 8);
+ NumExs*sizeof(QualType), TypeAlignment);
new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, isVariadic,
TypeQuals, hasExceptionSpec, hasAnyExceptionSpec,
- ExArray, NumExs, Canonical);
+ ExArray, NumExs, Canonical, NoReturn);
Types.push_back(FTP);
FunctionProtoTypes.InsertNode(FTP, InsertPos);
return QualType(FTP, 0);
@@ -1584,27 +1705,26 @@ QualType ASTContext::getFunctionType(QualType ResultTy,const QualType *ArgArray,
QualType ASTContext::getTypeDeclType(TypeDecl *Decl, TypeDecl* PrevDecl) {
assert(Decl && "Passed null for Decl param");
if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0);
-
+
if (TypedefDecl *Typedef = dyn_cast<TypedefDecl>(Decl))
return getTypedefType(Typedef);
else if (isa<TemplateTypeParmDecl>(Decl)) {
assert(false && "Template type parameter types are always available.");
- } else if (ObjCInterfaceDecl *ObjCInterface = dyn_cast<ObjCInterfaceDecl>(Decl))
+ } else if (ObjCInterfaceDecl *ObjCInterface
+ = dyn_cast<ObjCInterfaceDecl>(Decl))
return getObjCInterfaceType(ObjCInterface);
if (RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) {
if (PrevDecl)
Decl->TypeForDecl = PrevDecl->TypeForDecl;
else
- Decl->TypeForDecl = new (*this,8) RecordType(Record);
- }
- else if (EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) {
+ Decl->TypeForDecl = new (*this, TypeAlignment) RecordType(Record);
+ } else if (EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) {
if (PrevDecl)
Decl->TypeForDecl = PrevDecl->TypeForDecl;
else
- Decl->TypeForDecl = new (*this,8) EnumType(Enum);
- }
- else
+ Decl->TypeForDecl = new (*this, TypeAlignment) EnumType(Enum);
+ } else
assert(false && "TypeDecl without a type?");
if (!PrevDecl) Types.push_back(Decl->TypeForDecl);
@@ -1615,45 +1735,36 @@ QualType ASTContext::getTypeDeclType(TypeDecl *Decl, TypeDecl* PrevDecl) {
/// specified typename decl.
QualType ASTContext::getTypedefType(TypedefDecl *Decl) {
if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0);
-
- QualType Canonical = getCanonicalType(Decl->getUnderlyingType());
- Decl->TypeForDecl = new(*this,8) TypedefType(Type::Typedef, Decl, Canonical);
- Types.push_back(Decl->TypeForDecl);
- return QualType(Decl->TypeForDecl, 0);
-}
-/// getObjCInterfaceType - Return the unique reference to the type for the
-/// specified ObjC interface decl.
-QualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl) {
- if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0);
-
- ObjCInterfaceDecl *OID = const_cast<ObjCInterfaceDecl*>(Decl);
- Decl->TypeForDecl = new(*this,8) ObjCInterfaceType(Type::ObjCInterface, OID);
+ QualType Canonical = getCanonicalType(Decl->getUnderlyingType());
+ Decl->TypeForDecl = new(*this, TypeAlignment)
+ TypedefType(Type::Typedef, Decl, Canonical);
Types.push_back(Decl->TypeForDecl);
return QualType(Decl->TypeForDecl, 0);
}
/// \brief Retrieve the template type parameter type for a template
-/// parameter or parameter pack with the given depth, index, and (optionally)
+/// parameter or parameter pack with the given depth, index, and (optionally)
/// name.
-QualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index,
+QualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index,
bool ParameterPack,
IdentifierInfo *Name) {
llvm::FoldingSetNodeID ID;
TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, Name);
void *InsertPos = 0;
- TemplateTypeParmType *TypeParm
+ TemplateTypeParmType *TypeParm
= TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos);
if (TypeParm)
return QualType(TypeParm, 0);
-
+
if (Name) {
QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack);
- TypeParm = new (*this, 8) TemplateTypeParmType(Depth, Index, ParameterPack,
- Name, Canon);
+ TypeParm = new (*this, TypeAlignment)
+ TemplateTypeParmType(Depth, Index, ParameterPack, Name, Canon);
} else
- TypeParm = new (*this, 8) TemplateTypeParmType(Depth, Index, ParameterPack);
+ TypeParm = new (*this, TypeAlignment)
+ TemplateTypeParmType(Depth, Index, ParameterPack);
Types.push_back(TypeParm);
TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos);
@@ -1661,54 +1772,83 @@ QualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index,
return QualType(TypeParm, 0);
}
-QualType
+QualType
ASTContext::getTemplateSpecializationType(TemplateName Template,
const TemplateArgument *Args,
unsigned NumArgs,
QualType Canon) {
if (!Canon.isNull())
Canon = getCanonicalType(Canon);
+ else {
+ // Build the canonical template specialization type.
+ TemplateName CanonTemplate = getCanonicalTemplateName(Template);
+ llvm::SmallVector<TemplateArgument, 4> CanonArgs;
+ CanonArgs.reserve(NumArgs);
+ for (unsigned I = 0; I != NumArgs; ++I)
+ CanonArgs.push_back(getCanonicalTemplateArgument(Args[I]));
+
+ // Determine whether this canonical template specialization type already
+ // exists.
+ llvm::FoldingSetNodeID ID;
+ TemplateSpecializationType::Profile(ID, CanonTemplate,
+ CanonArgs.data(), NumArgs, *this);
+
+ void *InsertPos = 0;
+ TemplateSpecializationType *Spec
+ = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos);
+
+ if (!Spec) {
+ // Allocate a new canonical template specialization type.
+ void *Mem = Allocate((sizeof(TemplateSpecializationType) +
+ sizeof(TemplateArgument) * NumArgs),
+ TypeAlignment);
+ Spec = new (Mem) TemplateSpecializationType(*this, CanonTemplate,
+ CanonArgs.data(), NumArgs,
+ Canon);
+ Types.push_back(Spec);
+ TemplateSpecializationTypes.InsertNode(Spec, InsertPos);
+ }
- llvm::FoldingSetNodeID ID;
- TemplateSpecializationType::Profile(ID, Template, Args, NumArgs);
+ if (Canon.isNull())
+ Canon = QualType(Spec, 0);
+ assert(Canon->isDependentType() &&
+ "Non-dependent template-id type must have a canonical type");
+ }
- void *InsertPos = 0;
+ // Allocate the (non-canonical) template specialization type, but don't
+ // try to unique it: these types typically have location information that
+ // we don't unique and don't want to lose.
+ void *Mem = Allocate((sizeof(TemplateSpecializationType) +
+ sizeof(TemplateArgument) * NumArgs),
+ TypeAlignment);
TemplateSpecializationType *Spec
- = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos);
+ = new (Mem) TemplateSpecializationType(*this, Template, Args, NumArgs,
+ Canon);
- if (Spec)
- return QualType(Spec, 0);
-
- void *Mem = Allocate((sizeof(TemplateSpecializationType) +
- sizeof(TemplateArgument) * NumArgs),
- 8);
- Spec = new (Mem) TemplateSpecializationType(Template, Args, NumArgs, Canon);
Types.push_back(Spec);
- TemplateSpecializationTypes.InsertNode(Spec, InsertPos);
-
- return QualType(Spec, 0);
+ return QualType(Spec, 0);
}
-QualType
+QualType
ASTContext::getQualifiedNameType(NestedNameSpecifier *NNS,
QualType NamedType) {
llvm::FoldingSetNodeID ID;
QualifiedNameType::Profile(ID, NNS, NamedType);
void *InsertPos = 0;
- QualifiedNameType *T
+ QualifiedNameType *T
= QualifiedNameTypes.FindNodeOrInsertPos(ID, InsertPos);
if (T)
return QualType(T, 0);
- T = new (*this) QualifiedNameType(NNS, NamedType,
+ T = new (*this) QualifiedNameType(NNS, NamedType,
getCanonicalType(NamedType));
Types.push_back(T);
QualifiedNameTypes.InsertNode(T, InsertPos);
return QualType(T, 0);
}
-QualType ASTContext::getTypenameType(NestedNameSpecifier *NNS,
+QualType ASTContext::getTypenameType(NestedNameSpecifier *NNS,
const IdentifierInfo *Name,
QualType Canon) {
assert(NNS->isDependent() && "nested-name-specifier must be dependent");
@@ -1723,7 +1863,7 @@ QualType ASTContext::getTypenameType(NestedNameSpecifier *NNS,
TypenameType::Profile(ID, NNS, Name);
void *InsertPos = 0;
- TypenameType *T
+ TypenameType *T
= TypenameTypes.FindNodeOrInsertPos(ID, InsertPos);
if (T)
return QualType(T, 0);
@@ -1731,11 +1871,11 @@ QualType ASTContext::getTypenameType(NestedNameSpecifier *NNS,
T = new (*this) TypenameType(NNS, Name, Canon);
Types.push_back(T);
TypenameTypes.InsertNode(T, InsertPos);
- return QualType(T, 0);
+ return QualType(T, 0);
}
-QualType
-ASTContext::getTypenameType(NestedNameSpecifier *NNS,
+QualType
+ASTContext::getTypenameType(NestedNameSpecifier *NNS,
const TemplateSpecializationType *TemplateId,
QualType Canon) {
assert(NNS->isDependent() && "nested-name-specifier must be dependent");
@@ -1745,7 +1885,7 @@ ASTContext::getTypenameType(NestedNameSpecifier *NNS,
QualType CanonType = getCanonicalType(QualType(TemplateId, 0));
if (CanonNNS != NNS || CanonType != QualType(TemplateId, 0)) {
const TemplateSpecializationType *CanonTemplateId
- = CanonType->getAsTemplateSpecializationType();
+ = CanonType->getAs<TemplateSpecializationType>();
assert(CanonTemplateId &&
"Canonical type must also be a template specialization type");
Canon = getTypenameType(CanonNNS, CanonTemplateId);
@@ -1756,7 +1896,7 @@ ASTContext::getTypenameType(NestedNameSpecifier *NNS,
TypenameType::Profile(ID, NNS, TemplateId);
void *InsertPos = 0;
- TypenameType *T
+ TypenameType *T
= TypenameTypes.FindNodeOrInsertPos(ID, InsertPos);
if (T)
return QualType(T, 0);
@@ -1764,7 +1904,26 @@ ASTContext::getTypenameType(NestedNameSpecifier *NNS,
T = new (*this) TypenameType(NNS, TemplateId, Canon);
Types.push_back(T);
TypenameTypes.InsertNode(T, InsertPos);
- return QualType(T, 0);
+ return QualType(T, 0);
+}
+
+QualType
+ASTContext::getElaboratedType(QualType UnderlyingType,
+ ElaboratedType::TagKind Tag) {
+ llvm::FoldingSetNodeID ID;
+ ElaboratedType::Profile(ID, UnderlyingType, Tag);
+
+ void *InsertPos = 0;
+ ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos);
+ if (T)
+ return QualType(T, 0);
+
+ QualType Canon = getCanonicalType(UnderlyingType);
+
+ T = new (*this) ElaboratedType(UnderlyingType, Tag, Canon);
+ Types.push_back(T);
+ ElaboratedTypes.InsertNode(T, InsertPos);
+ return QualType(T, 0);
}
/// CmpProtocolNames - Comparison predicate for sorting protocols
@@ -1777,7 +1936,7 @@ static bool CmpProtocolNames(const ObjCProtocolDecl *LHS,
static void SortAndUniqueProtocols(ObjCProtocolDecl **&Protocols,
unsigned &NumProtocols) {
ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols;
-
+
// Sort protocols, keyed by name.
std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames);
@@ -1788,15 +1947,15 @@ static void SortAndUniqueProtocols(ObjCProtocolDecl **&Protocols,
/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for
/// the given interface decl and the conforming protocol list.
-QualType ASTContext::getObjCObjectPointerType(ObjCInterfaceDecl *Decl,
- ObjCProtocolDecl **Protocols,
+QualType ASTContext::getObjCObjectPointerType(QualType InterfaceT,
+ ObjCProtocolDecl **Protocols,
unsigned NumProtocols) {
// Sort the protocol list alphabetically to canonicalize it.
if (NumProtocols)
SortAndUniqueProtocols(Protocols, NumProtocols);
llvm::FoldingSetNodeID ID;
- ObjCObjectPointerType::Profile(ID, Decl, Protocols, NumProtocols);
+ ObjCObjectPointerType::Profile(ID, InterfaceT, Protocols, NumProtocols);
void *InsertPos = 0;
if (ObjCObjectPointerType *QT =
@@ -1804,46 +1963,89 @@ QualType ASTContext::getObjCObjectPointerType(ObjCInterfaceDecl *Decl,
return QualType(QT, 0);
// No Match;
- ObjCObjectPointerType *QType =
- new (*this,8) ObjCObjectPointerType(Decl, Protocols, NumProtocols);
-
+ ObjCObjectPointerType *QType = new (*this, TypeAlignment)
+ ObjCObjectPointerType(InterfaceT, Protocols, NumProtocols);
+
Types.push_back(QType);
ObjCObjectPointerTypes.InsertNode(QType, InsertPos);
return QualType(QType, 0);
}
-/// getObjCQualifiedInterfaceType - Return a ObjCQualifiedInterfaceType type for
-/// the given interface decl and the conforming protocol list.
-QualType ASTContext::getObjCQualifiedInterfaceType(ObjCInterfaceDecl *Decl,
+/// getObjCInterfaceType - Return the unique reference to the type for the
+/// specified ObjC interface decl. The list of protocols is optional.
+QualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl,
ObjCProtocolDecl **Protocols, unsigned NumProtocols) {
- // Sort the protocol list alphabetically to canonicalize it.
- SortAndUniqueProtocols(Protocols, NumProtocols);
-
+ if (NumProtocols)
+ // Sort the protocol list alphabetically to canonicalize it.
+ SortAndUniqueProtocols(Protocols, NumProtocols);
+
llvm::FoldingSetNodeID ID;
- ObjCQualifiedInterfaceType::Profile(ID, Decl, Protocols, NumProtocols);
-
+ ObjCInterfaceType::Profile(ID, Decl, Protocols, NumProtocols);
+
void *InsertPos = 0;
- if (ObjCQualifiedInterfaceType *QT =
- ObjCQualifiedInterfaceTypes.FindNodeOrInsertPos(ID, InsertPos))
+ if (ObjCInterfaceType *QT =
+ ObjCInterfaceTypes.FindNodeOrInsertPos(ID, InsertPos))
return QualType(QT, 0);
-
+
// No Match;
- ObjCQualifiedInterfaceType *QType =
- new (*this,8) ObjCQualifiedInterfaceType(Decl, Protocols, NumProtocols);
+ ObjCInterfaceType *QType = new (*this, TypeAlignment)
+ ObjCInterfaceType(const_cast<ObjCInterfaceDecl*>(Decl),
+ Protocols, NumProtocols);
+ Types.push_back(QType);
+ ObjCInterfaceTypes.InsertNode(QType, InsertPos);
+ return QualType(QType, 0);
+}
+
+QualType ASTContext::getObjCProtocolListType(QualType T,
+ ObjCProtocolDecl **Protocols,
+ unsigned NumProtocols) {
+ llvm::FoldingSetNodeID ID;
+ ObjCProtocolListType::Profile(ID, T, Protocols, NumProtocols);
+
+ void *InsertPos = 0;
+ if (ObjCProtocolListType *QT =
+ ObjCProtocolListTypes.FindNodeOrInsertPos(ID, InsertPos))
+ return QualType(QT, 0);
+ // No Match;
+ ObjCProtocolListType *QType = new (*this, TypeAlignment)
+ ObjCProtocolListType(T, Protocols, NumProtocols);
Types.push_back(QType);
- ObjCQualifiedInterfaceTypes.InsertNode(QType, InsertPos);
+ ObjCProtocolListTypes.InsertNode(QType, InsertPos);
return QualType(QType, 0);
}
/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique
/// TypeOfExprType AST's (since expression's are never shared). For example,
/// multiple declarations that refer to "typeof(x)" all contain different
-/// DeclRefExpr's. This doesn't effect the type checker, since it operates
+/// DeclRefExpr's. This doesn't effect the type checker, since it operates
/// on canonical type's (which are always unique).
QualType ASTContext::getTypeOfExprType(Expr *tofExpr) {
- QualType Canonical = getCanonicalType(tofExpr->getType());
- TypeOfExprType *toe = new (*this,8) TypeOfExprType(tofExpr, Canonical);
+ TypeOfExprType *toe;
+ if (tofExpr->isTypeDependent()) {
+ llvm::FoldingSetNodeID ID;
+ DependentTypeOfExprType::Profile(ID, *this, tofExpr);
+
+ void *InsertPos = 0;
+ DependentTypeOfExprType *Canon
+ = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos);
+ if (Canon) {
+ // We already have a "canonical" version of an identical, dependent
+ // typeof(expr) type. Use that as our canonical type.
+ toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr,
+ QualType((TypeOfExprType*)Canon, 0));
+ }
+ else {
+ // Build a new, canonical typeof(expr) type.
+ Canon
+ = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr);
+ DependentTypeOfExprTypes.InsertNode(Canon, InsertPos);
+ toe = Canon;
+ }
+ } else {
+ QualType Canonical = getCanonicalType(tofExpr->getType());
+ toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical);
+ }
Types.push_back(toe);
return QualType(toe, 0);
}
@@ -1851,11 +2053,11 @@ QualType ASTContext::getTypeOfExprType(Expr *tofExpr) {
/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique
/// TypeOfType AST's. The only motivation to unique these nodes would be
/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be
-/// an issue. This doesn't effect the type checker, since it operates
+/// an issue. This doesn't effect the type checker, since it operates
/// on canonical type's (which are always unique).
QualType ASTContext::getTypeOfType(QualType tofType) {
QualType Canonical = getCanonicalType(tofType);
- TypeOfType *tot = new (*this,8) TypeOfType(tofType, Canonical);
+ TypeOfType *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical);
Types.push_back(tot);
return QualType(tot, 0);
}
@@ -1865,7 +2067,7 @@ QualType ASTContext::getTypeOfType(QualType tofType) {
static QualType getDecltypeForExpr(const Expr *e, ASTContext &Context) {
if (e->isTypeDependent())
return Context.DependentTy;
-
+
// If e is an id expression or a class member access, decltype(e) is defined
// as the type of the entity named by e.
if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(e)) {
@@ -1881,39 +2083,63 @@ static QualType getDecltypeForExpr(const Expr *e, ASTContext &Context) {
// return type of that function.
if (const CallExpr *CE = dyn_cast<CallExpr>(e->IgnoreParens()))
return CE->getCallReturnType();
-
+
QualType T = e->getType();
-
- // Otherwise, where T is the type of e, if e is an lvalue, decltype(e) is
+
+ // Otherwise, where T is the type of e, if e is an lvalue, decltype(e) is
// defined as T&, otherwise decltype(e) is defined as T.
if (e->isLvalue(Context) == Expr::LV_Valid)
T = Context.getLValueReferenceType(T);
-
+
return T;
}
/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique
/// DecltypeType AST's. The only motivation to unique these nodes would be
/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be
-/// an issue. This doesn't effect the type checker, since it operates
+/// an issue. This doesn't effect the type checker, since it operates
/// on canonical type's (which are always unique).
QualType ASTContext::getDecltypeType(Expr *e) {
- QualType T = getDecltypeForExpr(e, *this);
- DecltypeType *dt = new (*this, 8) DecltypeType(e, getCanonicalType(T));
+ DecltypeType *dt;
+ if (e->isTypeDependent()) {
+ llvm::FoldingSetNodeID ID;
+ DependentDecltypeType::Profile(ID, *this, e);
+
+ void *InsertPos = 0;
+ DependentDecltypeType *Canon
+ = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos);
+ if (Canon) {
+ // We already have a "canonical" version of an equivalent, dependent
+ // decltype type. Use that as our canonical type.
+ dt = new (*this, TypeAlignment) DecltypeType(e, DependentTy,
+ QualType((DecltypeType*)Canon, 0));
+ }
+ else {
+ // Build a new, canonical typeof(expr) type.
+ Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e);
+ DependentDecltypeTypes.InsertNode(Canon, InsertPos);
+ dt = Canon;
+ }
+ } else {
+ QualType T = getDecltypeForExpr(e, *this);
+ dt = new (*this, TypeAlignment) DecltypeType(e, T, getCanonicalType(T));
+ }
Types.push_back(dt);
return QualType(dt, 0);
}
/// getTagDeclType - Return the unique reference to the type for the
/// specified TagDecl (struct/union/class/enum) decl.
-QualType ASTContext::getTagDeclType(TagDecl *Decl) {
+QualType ASTContext::getTagDeclType(const TagDecl *Decl) {
assert (Decl);
- return getTypeDeclType(Decl);
+ // FIXME: What is the design on getTagDeclType when it requires casting
+ // away const? mutable?
+ return getTypeDeclType(const_cast<TagDecl*>(Decl));
}
-/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result
-/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and
-/// needs to agree with the definition in <stddef.h>.
+/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result
+/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and
+/// needs to agree with the definition in <stddef.h>.
QualType ASTContext::getSizeType() const {
return getFromTargetType(Target.getSizeType());
}
@@ -1948,99 +2174,143 @@ QualType ASTContext::getPointerDiffType() const {
/// include typedefs, 'typeof' operators, etc. The returned type is guaranteed
/// to be free of any of these, allowing two canonical types to be compared
/// for exact equality with a simple pointer comparison.
-QualType ASTContext::getCanonicalType(QualType T) {
- QualType CanType = T.getTypePtr()->getCanonicalTypeInternal();
-
- // If the result has type qualifiers, make sure to canonicalize them as well.
- unsigned TypeQuals = T.getCVRQualifiers() | CanType.getCVRQualifiers();
- if (TypeQuals == 0) return CanType;
+CanQualType ASTContext::getCanonicalType(QualType T) {
+ QualifierCollector Quals;
+ const Type *Ptr = Quals.strip(T);
+ QualType CanType = Ptr->getCanonicalTypeInternal();
+
+ // The canonical internal type will be the canonical type *except*
+ // that we push type qualifiers down through array types.
- // If the type qualifiers are on an array type, get the canonical type of the
- // array with the qualifiers applied to the element type.
+ // If there are no new qualifiers to push down, stop here.
+ if (!Quals.hasQualifiers())
+ return CanQualType::CreateUnsafe(CanType);
+
+ // If the type qualifiers are on an array type, get the canonical
+ // type of the array with the qualifiers applied to the element
+ // type.
ArrayType *AT = dyn_cast<ArrayType>(CanType);
if (!AT)
- return CanType.getQualifiedType(TypeQuals);
-
+ return CanQualType::CreateUnsafe(getQualifiedType(CanType, Quals));
+
// Get the canonical version of the element with the extra qualifiers on it.
// This can recursively sink qualifiers through multiple levels of arrays.
- QualType NewEltTy=AT->getElementType().getWithAdditionalQualifiers(TypeQuals);
+ QualType NewEltTy = getQualifiedType(AT->getElementType(), Quals);
NewEltTy = getCanonicalType(NewEltTy);
-
+
if (ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT))
- return getConstantArrayType(NewEltTy, CAT->getSize(),CAT->getSizeModifier(),
- CAT->getIndexTypeQualifier());
+ return CanQualType::CreateUnsafe(
+ getConstantArrayType(NewEltTy, CAT->getSize(),
+ CAT->getSizeModifier(),
+ CAT->getIndexTypeCVRQualifiers()));
if (IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT))
- return getIncompleteArrayType(NewEltTy, IAT->getSizeModifier(),
- IAT->getIndexTypeQualifier());
-
+ return CanQualType::CreateUnsafe(
+ getIncompleteArrayType(NewEltTy, IAT->getSizeModifier(),
+ IAT->getIndexTypeCVRQualifiers()));
+
if (DependentSizedArrayType *DSAT = dyn_cast<DependentSizedArrayType>(AT))
- return getDependentSizedArrayType(NewEltTy, DSAT->getSizeExpr(),
- DSAT->getSizeModifier(),
- DSAT->getIndexTypeQualifier());
+ return CanQualType::CreateUnsafe(
+ getDependentSizedArrayType(NewEltTy,
+ DSAT->getSizeExpr() ?
+ DSAT->getSizeExpr()->Retain() : 0,
+ DSAT->getSizeModifier(),
+ DSAT->getIndexTypeCVRQualifiers(),
+ DSAT->getBracketsRange()));
VariableArrayType *VAT = cast<VariableArrayType>(AT);
- return getVariableArrayType(NewEltTy, VAT->getSizeExpr(),
- VAT->getSizeModifier(),
- VAT->getIndexTypeQualifier());
-}
-
-Decl *ASTContext::getCanonicalDecl(Decl *D) {
- if (!D)
- return 0;
-
- if (TagDecl *Tag = dyn_cast<TagDecl>(D)) {
- QualType T = getTagDeclType(Tag);
- return cast<TagDecl>(cast<TagType>(T.getTypePtr()->CanonicalType)
- ->getDecl());
- }
-
- if (ClassTemplateDecl *Template = dyn_cast<ClassTemplateDecl>(D)) {
- while (Template->getPreviousDeclaration())
- Template = Template->getPreviousDeclaration();
- return Template;
- }
-
- if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) {
- while (Function->getPreviousDeclaration())
- Function = Function->getPreviousDeclaration();
- return const_cast<FunctionDecl *>(Function);
- }
-
- if (FunctionTemplateDecl *FunTmpl = dyn_cast<FunctionTemplateDecl>(D)) {
- while (FunTmpl->getPreviousDeclaration())
- FunTmpl = FunTmpl->getPreviousDeclaration();
- return FunTmpl;
- }
-
- if (const VarDecl *Var = dyn_cast<VarDecl>(D)) {
- while (Var->getPreviousDeclaration())
- Var = Var->getPreviousDeclaration();
- return const_cast<VarDecl *>(Var);
- }
-
- return D;
+ return CanQualType::CreateUnsafe(getVariableArrayType(NewEltTy,
+ VAT->getSizeExpr() ?
+ VAT->getSizeExpr()->Retain() : 0,
+ VAT->getSizeModifier(),
+ VAT->getIndexTypeCVRQualifiers(),
+ VAT->getBracketsRange()));
}
TemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) {
// If this template name refers to a template, the canonical
// template name merely stores the template itself.
if (TemplateDecl *Template = Name.getAsTemplateDecl())
- return TemplateName(cast<TemplateDecl>(getCanonicalDecl(Template)));
+ return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl()));
+
+ // If this template name refers to a set of overloaded function templates,
+ /// the canonical template name merely stores the set of function templates.
+ if (OverloadedFunctionDecl *Ovl = Name.getAsOverloadedFunctionDecl()) {
+ OverloadedFunctionDecl *CanonOvl = 0;
+ for (OverloadedFunctionDecl::function_iterator F = Ovl->function_begin(),
+ FEnd = Ovl->function_end();
+ F != FEnd; ++F) {
+ Decl *Canon = F->get()->getCanonicalDecl();
+ if (CanonOvl || Canon != F->get()) {
+ if (!CanonOvl)
+ CanonOvl = OverloadedFunctionDecl::Create(*this,
+ Ovl->getDeclContext(),
+ Ovl->getDeclName());
+
+ CanonOvl->addOverload(
+ AnyFunctionDecl::getFromNamedDecl(cast<NamedDecl>(Canon)));
+ }
+ }
+
+ return TemplateName(CanonOvl? CanonOvl : Ovl);
+ }
DependentTemplateName *DTN = Name.getAsDependentTemplateName();
assert(DTN && "Non-dependent template names must refer to template decls.");
return DTN->CanonicalTemplateName;
}
+TemplateArgument
+ASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) {
+ switch (Arg.getKind()) {
+ case TemplateArgument::Null:
+ return Arg;
+
+ case TemplateArgument::Expression:
+ // FIXME: Build canonical expression?
+ return Arg;
+
+ case TemplateArgument::Declaration:
+ return TemplateArgument(SourceLocation(),
+ Arg.getAsDecl()->getCanonicalDecl());
+
+ case TemplateArgument::Integral:
+ return TemplateArgument(SourceLocation(),
+ *Arg.getAsIntegral(),
+ getCanonicalType(Arg.getIntegralType()));
+
+ case TemplateArgument::Type:
+ return TemplateArgument(SourceLocation(),
+ getCanonicalType(Arg.getAsType()));
+
+ case TemplateArgument::Pack: {
+ // FIXME: Allocate in ASTContext
+ TemplateArgument *CanonArgs = new TemplateArgument[Arg.pack_size()];
+ unsigned Idx = 0;
+ for (TemplateArgument::pack_iterator A = Arg.pack_begin(),
+ AEnd = Arg.pack_end();
+ A != AEnd; (void)++A, ++Idx)
+ CanonArgs[Idx] = getCanonicalTemplateArgument(*A);
+
+ TemplateArgument Result;
+ Result.setArgumentPack(CanonArgs, Arg.pack_size(), false);
+ return Result;
+ }
+ }
+
+ // Silence GCC warning
+ assert(false && "Unhandled template argument kind");
+ return TemplateArgument();
+}
+
NestedNameSpecifier *
ASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) {
- if (!NNS)
+ if (!NNS)
return 0;
switch (NNS->getKind()) {
case NestedNameSpecifier::Identifier:
// Canonicalize the prefix but keep the identifier the same.
- return NestedNameSpecifier::Create(*this,
+ return NestedNameSpecifier::Create(*this,
getCanonicalNestedNameSpecifier(NNS->getPrefix()),
NNS->getAsIdentifier());
@@ -2052,14 +2322,8 @@ ASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) {
case NestedNameSpecifier::TypeSpec:
case NestedNameSpecifier::TypeSpecWithTemplate: {
QualType T = getCanonicalType(QualType(NNS->getAsType(), 0));
- NestedNameSpecifier *Prefix = 0;
-
- // FIXME: This isn't the right check!
- if (T->isDependentType())
- Prefix = getCanonicalNestedNameSpecifier(NNS->getPrefix());
-
- return NestedNameSpecifier::Create(*this, Prefix,
- NNS->getKind() == NestedNameSpecifier::TypeSpecWithTemplate,
+ return NestedNameSpecifier::Create(*this, 0,
+ NNS->getKind() == NestedNameSpecifier::TypeSpecWithTemplate,
T.getTypePtr());
}
@@ -2075,81 +2339,65 @@ ASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) {
const ArrayType *ASTContext::getAsArrayType(QualType T) {
// Handle the non-qualified case efficiently.
- if (T.getCVRQualifiers() == 0) {
+ if (!T.hasQualifiers()) {
// Handle the common positive case fast.
if (const ArrayType *AT = dyn_cast<ArrayType>(T))
return AT;
}
-
- // Handle the common negative case fast, ignoring CVR qualifiers.
+
+ // Handle the common negative case fast.
QualType CType = T->getCanonicalTypeInternal();
-
- // Make sure to look through type qualifiers (like ExtQuals) for the negative
- // test.
- if (!isa<ArrayType>(CType) &&
- !isa<ArrayType>(CType.getUnqualifiedType()))
+ if (!isa<ArrayType>(CType))
return 0;
-
- // Apply any CVR qualifiers from the array type to the element type. This
+
+ // Apply any qualifiers from the array type to the element type. This
// implements C99 6.7.3p8: "If the specification of an array type includes
// any type qualifiers, the element type is so qualified, not the array type."
-
+
// If we get here, we either have type qualifiers on the type, or we have
// sugar such as a typedef in the way. If we have type qualifiers on the type
- // we must propagate them down into the elemeng type.
- unsigned CVRQuals = T.getCVRQualifiers();
- unsigned AddrSpace = 0;
- Type *Ty = T.getTypePtr();
-
- // Rip through ExtQualType's and typedefs to get to a concrete type.
- while (1) {
- if (const ExtQualType *EXTQT = dyn_cast<ExtQualType>(Ty)) {
- AddrSpace = EXTQT->getAddressSpace();
- Ty = EXTQT->getBaseType();
- } else {
- T = Ty->getDesugaredType();
- if (T.getTypePtr() == Ty && T.getCVRQualifiers() == 0)
- break;
- CVRQuals |= T.getCVRQualifiers();
- Ty = T.getTypePtr();
- }
- }
-
+ // we must propagate them down into the element type.
+
+ QualifierCollector Qs;
+ const Type *Ty = Qs.strip(T.getDesugaredType());
+
// If we have a simple case, just return now.
const ArrayType *ATy = dyn_cast<ArrayType>(Ty);
- if (ATy == 0 || (AddrSpace == 0 && CVRQuals == 0))
+ if (ATy == 0 || Qs.empty())
return ATy;
-
+
// Otherwise, we have an array and we have qualifiers on it. Push the
// qualifiers into the array element type and return a new array type.
// Get the canonical version of the element with the extra qualifiers on it.
// This can recursively sink qualifiers through multiple levels of arrays.
- QualType NewEltTy = ATy->getElementType();
- if (AddrSpace)
- NewEltTy = getAddrSpaceQualType(NewEltTy, AddrSpace);
- NewEltTy = NewEltTy.getWithAdditionalQualifiers(CVRQuals);
-
+ QualType NewEltTy = getQualifiedType(ATy->getElementType(), Qs);
+
if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy))
return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(),
CAT->getSizeModifier(),
- CAT->getIndexTypeQualifier()));
+ CAT->getIndexTypeCVRQualifiers()));
if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy))
return cast<ArrayType>(getIncompleteArrayType(NewEltTy,
IAT->getSizeModifier(),
- IAT->getIndexTypeQualifier()));
+ IAT->getIndexTypeCVRQualifiers()));
- if (const DependentSizedArrayType *DSAT
+ if (const DependentSizedArrayType *DSAT
= dyn_cast<DependentSizedArrayType>(ATy))
return cast<ArrayType>(
- getDependentSizedArrayType(NewEltTy,
- DSAT->getSizeExpr(),
+ getDependentSizedArrayType(NewEltTy,
+ DSAT->getSizeExpr() ?
+ DSAT->getSizeExpr()->Retain() : 0,
DSAT->getSizeModifier(),
- DSAT->getIndexTypeQualifier()));
-
+ DSAT->getIndexTypeCVRQualifiers(),
+ DSAT->getBracketsRange()));
+
const VariableArrayType *VAT = cast<VariableArrayType>(ATy);
- return cast<ArrayType>(getVariableArrayType(NewEltTy, VAT->getSizeExpr(),
+ return cast<ArrayType>(getVariableArrayType(NewEltTy,
+ VAT->getSizeExpr() ?
+ VAT->getSizeExpr()->Retain() : 0,
VAT->getSizeModifier(),
- VAT->getIndexTypeQualifier()));
+ VAT->getIndexTypeCVRQualifiers(),
+ VAT->getBracketsRange()));
}
@@ -2166,30 +2414,53 @@ QualType ASTContext::getArrayDecayedType(QualType Ty) {
// (C99 6.7.3p8).
const ArrayType *PrettyArrayType = getAsArrayType(Ty);
assert(PrettyArrayType && "Not an array type!");
-
+
QualType PtrTy = getPointerType(PrettyArrayType->getElementType());
// int x[restrict 4] -> int *restrict
- return PtrTy.getQualifiedType(PrettyArrayType->getIndexTypeQualifier());
+ return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers());
}
-QualType ASTContext::getBaseElementType(const VariableArrayType *VAT) {
- QualType ElemTy = VAT->getElementType();
-
- if (const VariableArrayType *VAT = getAsVariableArrayType(ElemTy))
- return getBaseElementType(VAT);
-
+QualType ASTContext::getBaseElementType(QualType QT) {
+ QualifierCollector Qs;
+ while (true) {
+ const Type *UT = Qs.strip(QT);
+ if (const ArrayType *AT = getAsArrayType(QualType(UT,0))) {
+ QT = AT->getElementType();
+ } else {
+ return Qs.apply(QT);
+ }
+ }
+}
+
+QualType ASTContext::getBaseElementType(const ArrayType *AT) {
+ QualType ElemTy = AT->getElementType();
+
+ if (const ArrayType *AT = getAsArrayType(ElemTy))
+ return getBaseElementType(AT);
+
return ElemTy;
}
+/// getConstantArrayElementCount - Returns number of constant array elements.
+uint64_t
+ASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const {
+ uint64_t ElementCount = 1;
+ do {
+ ElementCount *= CA->getSize().getZExtValue();
+ CA = dyn_cast<ConstantArrayType>(CA->getElementType());
+ } while (CA);
+ return ElementCount;
+}
+
/// getFloatingRank - Return a relative rank for floating point types.
/// This routine will assert if passed a built-in type that isn't a float.
static FloatingRank getFloatingRank(QualType T) {
- if (const ComplexType *CT = T->getAsComplexType())
+ if (const ComplexType *CT = T->getAs<ComplexType>())
return getFloatingRank(CT->getElementType());
- assert(T->getAsBuiltinType() && "getFloatingRank(): not a floating type");
- switch (T->getAsBuiltinType()->getKind()) {
+ assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type");
+ switch (T->getAs<BuiltinType>()->getKind()) {
default: assert(0 && "getFloatingRank(): not a floating type");
case BuiltinType::Float: return FloatRank;
case BuiltinType::Double: return DoubleRank;
@@ -2197,8 +2468,8 @@ static FloatingRank getFloatingRank(QualType T) {
}
}
-/// getFloatingTypeOfSizeWithinDomain - Returns a real floating
-/// point or a complex type (based on typeDomain/typeSize).
+/// getFloatingTypeOfSizeWithinDomain - Returns a real floating
+/// point or a complex type (based on typeDomain/typeSize).
/// 'typeDomain' is a real floating point or complex type.
/// 'typeSize' is a real floating point or complex type.
QualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size,
@@ -2225,11 +2496,11 @@ QualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size,
/// getFloatingTypeOrder - Compare the rank of the two specified floating
/// point types, ignoring the domain of the type (i.e. 'double' ==
/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If
-/// LHS < RHS, return -1.
+/// LHS < RHS, return -1.
int ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) {
FloatingRank LHSR = getFloatingRank(LHS);
FloatingRank RHSR = getFloatingRank(RHS);
-
+
if (LHSR == RHSR)
return 0;
if (LHSR > RHSR)
@@ -2245,6 +2516,15 @@ unsigned ASTContext::getIntegerRank(Type *T) {
if (EnumType* ET = dyn_cast<EnumType>(T))
T = ET->getDecl()->getIntegerType().getTypePtr();
+ if (T->isSpecificBuiltinType(BuiltinType::WChar))
+ T = getFromTargetType(Target.getWCharType()).getTypePtr();
+
+ if (T->isSpecificBuiltinType(BuiltinType::Char16))
+ T = getFromTargetType(Target.getChar16Type()).getTypePtr();
+
+ if (T->isSpecificBuiltinType(BuiltinType::Char32))
+ T = getFromTargetType(Target.getChar32Type()).getTypePtr();
+
// There are two things which impact the integer rank: the width, and
// the ordering of builtins. The builtin ordering is encoded in the
// bottom three bits; the width is encoded in the bits above that.
@@ -2278,117 +2558,163 @@ unsigned ASTContext::getIntegerRank(Type *T) {
}
}
-/// getIntegerTypeOrder - Returns the highest ranked integer type:
+/// \brief Whether this is a promotable bitfield reference according
+/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions).
+///
+/// \returns the type this bit-field will promote to, or NULL if no
+/// promotion occurs.
+QualType ASTContext::isPromotableBitField(Expr *E) {
+ FieldDecl *Field = E->getBitField();
+ if (!Field)
+ return QualType();
+
+ QualType FT = Field->getType();
+
+ llvm::APSInt BitWidthAP = Field->getBitWidth()->EvaluateAsInt(*this);
+ uint64_t BitWidth = BitWidthAP.getZExtValue();
+ uint64_t IntSize = getTypeSize(IntTy);
+ // GCC extension compatibility: if the bit-field size is less than or equal
+ // to the size of int, it gets promoted no matter what its type is.
+ // For instance, unsigned long bf : 4 gets promoted to signed int.
+ if (BitWidth < IntSize)
+ return IntTy;
+
+ if (BitWidth == IntSize)
+ return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy;
+
+ // Types bigger than int are not subject to promotions, and therefore act
+ // like the base type.
+ // FIXME: This doesn't quite match what gcc does, but what gcc does here
+ // is ridiculous.
+ return QualType();
+}
+
+/// getPromotedIntegerType - Returns the type that Promotable will
+/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable
+/// integer type.
+QualType ASTContext::getPromotedIntegerType(QualType Promotable) {
+ assert(!Promotable.isNull());
+ assert(Promotable->isPromotableIntegerType());
+ if (Promotable->isSignedIntegerType())
+ return IntTy;
+ uint64_t PromotableSize = getTypeSize(Promotable);
+ uint64_t IntSize = getTypeSize(IntTy);
+ assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize);
+ return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy;
+}
+
+/// getIntegerTypeOrder - Returns the highest ranked integer type:
/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If
-/// LHS < RHS, return -1.
+/// LHS < RHS, return -1.
int ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) {
Type *LHSC = getCanonicalType(LHS).getTypePtr();
Type *RHSC = getCanonicalType(RHS).getTypePtr();
if (LHSC == RHSC) return 0;
-
+
bool LHSUnsigned = LHSC->isUnsignedIntegerType();
bool RHSUnsigned = RHSC->isUnsignedIntegerType();
-
+
unsigned LHSRank = getIntegerRank(LHSC);
unsigned RHSRank = getIntegerRank(RHSC);
-
+
if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned.
if (LHSRank == RHSRank) return 0;
return LHSRank > RHSRank ? 1 : -1;
}
-
+
// Otherwise, the LHS is signed and the RHS is unsigned or visa versa.
if (LHSUnsigned) {
// If the unsigned [LHS] type is larger, return it.
if (LHSRank >= RHSRank)
return 1;
-
+
// If the signed type can represent all values of the unsigned type, it
// wins. Because we are dealing with 2's complement and types that are
- // powers of two larger than each other, this is always safe.
+ // powers of two larger than each other, this is always safe.
return -1;
}
// If the unsigned [RHS] type is larger, return it.
if (RHSRank >= LHSRank)
return -1;
-
+
// If the signed type can represent all values of the unsigned type, it
// wins. Because we are dealing with 2's complement and types that are
- // powers of two larger than each other, this is always safe.
+ // powers of two larger than each other, this is always safe.
return 1;
}
-// getCFConstantStringType - Return the type used for constant CFStrings.
+// getCFConstantStringType - Return the type used for constant CFStrings.
QualType ASTContext::getCFConstantStringType() {
if (!CFConstantStringTypeDecl) {
- CFConstantStringTypeDecl =
- RecordDecl::Create(*this, TagDecl::TK_struct, TUDecl, SourceLocation(),
+ CFConstantStringTypeDecl =
+ RecordDecl::Create(*this, TagDecl::TK_struct, TUDecl, SourceLocation(),
&Idents.get("NSConstantString"));
QualType FieldTypes[4];
-
+
// const int *isa;
- FieldTypes[0] = getPointerType(IntTy.getQualifiedType(QualType::Const));
+ FieldTypes[0] = getPointerType(IntTy.withConst());
// int flags;
FieldTypes[1] = IntTy;
// const char *str;
- FieldTypes[2] = getPointerType(CharTy.getQualifiedType(QualType::Const));
+ FieldTypes[2] = getPointerType(CharTy.withConst());
// long length;
- FieldTypes[3] = LongTy;
-
+ FieldTypes[3] = LongTy;
+
// Create fields
for (unsigned i = 0; i < 4; ++i) {
- FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl,
+ FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl,
SourceLocation(), 0,
- FieldTypes[i], /*BitWidth=*/0,
+ FieldTypes[i], /*DInfo=*/0,
+ /*BitWidth=*/0,
/*Mutable=*/false);
CFConstantStringTypeDecl->addDecl(Field);
}
CFConstantStringTypeDecl->completeDefinition(*this);
}
-
+
return getTagDeclType(CFConstantStringTypeDecl);
}
void ASTContext::setCFConstantStringType(QualType T) {
- const RecordType *Rec = T->getAsRecordType();
+ const RecordType *Rec = T->getAs<RecordType>();
assert(Rec && "Invalid CFConstantStringType");
CFConstantStringTypeDecl = Rec->getDecl();
}
-QualType ASTContext::getObjCFastEnumerationStateType()
-{
+QualType ASTContext::getObjCFastEnumerationStateType() {
if (!ObjCFastEnumerationStateTypeDecl) {
ObjCFastEnumerationStateTypeDecl =
RecordDecl::Create(*this, TagDecl::TK_struct, TUDecl, SourceLocation(),
&Idents.get("__objcFastEnumerationState"));
-
+
QualType FieldTypes[] = {
UnsignedLongTy,
- getPointerType(ObjCIdType),
+ getPointerType(ObjCIdTypedefType),
getPointerType(UnsignedLongTy),
getConstantArrayType(UnsignedLongTy,
llvm::APInt(32, 5), ArrayType::Normal, 0)
};
-
+
for (size_t i = 0; i < 4; ++i) {
- FieldDecl *Field = FieldDecl::Create(*this,
- ObjCFastEnumerationStateTypeDecl,
- SourceLocation(), 0,
- FieldTypes[i], /*BitWidth=*/0,
+ FieldDecl *Field = FieldDecl::Create(*this,
+ ObjCFastEnumerationStateTypeDecl,
+ SourceLocation(), 0,
+ FieldTypes[i], /*DInfo=*/0,
+ /*BitWidth=*/0,
/*Mutable=*/false);
ObjCFastEnumerationStateTypeDecl->addDecl(Field);
}
-
+
ObjCFastEnumerationStateTypeDecl->completeDefinition(*this);
}
-
+
return getTagDeclType(ObjCFastEnumerationStateTypeDecl);
}
void ASTContext::setObjCFastEnumerationStateType(QualType T) {
- const RecordType *Rec = T->getAsRecordType();
+ const RecordType *Rec = T->getAs<RecordType>();
assert(Rec && "Invalid ObjCFAstEnumerationStateType");
ObjCFastEnumerationStateTypeDecl = Rec->getDecl();
}
@@ -2399,7 +2725,7 @@ static bool isTypeTypedefedAsBOOL(QualType T) {
if (const TypedefType *TT = dyn_cast<TypedefType>(T))
if (IdentifierInfo *II = TT->getDecl()->getIdentifier())
return II->isStr("BOOL");
-
+
return false;
}
@@ -2407,7 +2733,7 @@ static bool isTypeTypedefedAsBOOL(QualType T) {
/// purpose.
int ASTContext::getObjCEncodingTypeSize(QualType type) {
uint64_t sz = getTypeSize(type);
-
+
// Make all integer and enum types at least as large as an int
if (sz > 0 && type->isIntegralType())
sz = std::max(sz, getTypeSize(IntTy));
@@ -2419,7 +2745,7 @@ int ASTContext::getObjCEncodingTypeSize(QualType type) {
/// getObjCEncodingForMethodDecl - Return the encoded type for this method
/// declaration.
-void ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl,
+void ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl,
std::string& S) {
// FIXME: This is not very efficient.
// Encode type qualifer, 'in', 'inout', etc. for the return type.
@@ -2444,13 +2770,13 @@ void ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl,
S += llvm::utostr(ParmOffset);
S += "@0:";
S += llvm::utostr(PtrSize);
-
+
// Argument types.
ParmOffset = 2 * PtrSize;
for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(),
E = Decl->param_end(); PI != E; ++PI) {
ParmVarDecl *PVDecl = *PI;
- QualType PType = PVDecl->getOriginalType();
+ QualType PType = PVDecl->getOriginalType();
if (const ArrayType *AT =
dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) {
// Use array's original type only if it has known number of
@@ -2472,11 +2798,11 @@ void ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl,
/// property declaration. If non-NULL, Container must be either an
/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be
/// NULL when getting encodings for protocol properties.
-/// Property attributes are stored as a comma-delimited C string. The simple
-/// attributes readonly and bycopy are encoded as single characters. The
-/// parametrized attributes, getter=name, setter=name, and ivar=name, are
-/// encoded as single characters, followed by an identifier. Property types
-/// are also encoded as a parametrized attribute. The characters used to encode
+/// Property attributes are stored as a comma-delimited C string. The simple
+/// attributes readonly and bycopy are encoded as single characters. The
+/// parametrized attributes, getter=name, setter=name, and ivar=name, are
+/// encoded as single characters, followed by an identifier. Property types
+/// are also encoded as a parametrized attribute. The characters used to encode
/// these attributes are defined by the following enumeration:
/// @code
/// enum PropertyAttributes {
@@ -2493,7 +2819,7 @@ void ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl,
/// kPropertyNonAtomic = 'N' // property non-atomic
/// };
/// @endcode
-void ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD,
+void ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD,
const Decl *Container,
std::string& S) {
// Collect information from the property implementation decl(s).
@@ -2502,7 +2828,7 @@ void ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD,
// FIXME: Duplicated code due to poor abstraction.
if (Container) {
- if (const ObjCCategoryImplDecl *CID =
+ if (const ObjCCategoryImplDecl *CID =
dyn_cast<ObjCCategoryImplDecl>(Container)) {
for (ObjCCategoryImplDecl::propimpl_iterator
i = CID->propimpl_begin(), e = CID->propimpl_end();
@@ -2529,7 +2855,7 @@ void ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD,
SynthesizePID = PID;
}
}
- }
+ }
}
}
@@ -2539,7 +2865,7 @@ void ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD,
// Encode result type.
// GCC has some special rules regarding encoding of properties which
// closely resembles encoding of ivars.
- getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0,
+ getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0,
true /* outermost type */,
true /* encoding for property */);
@@ -2549,7 +2875,7 @@ void ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD,
switch (PD->getSetterKind()) {
case ObjCPropertyDecl::Assign: break;
case ObjCPropertyDecl::Copy: S += ",C"; break;
- case ObjCPropertyDecl::Retain: S += ",&"; break;
+ case ObjCPropertyDecl::Retain: S += ",&"; break;
}
}
@@ -2560,7 +2886,7 @@ void ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD,
if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic)
S += ",N";
-
+
if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) {
S += ",G";
S += PD->getGetterName().getAsString();
@@ -2581,17 +2907,17 @@ void ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD,
}
/// getLegacyIntegralTypeEncoding -
-/// Another legacy compatibility encoding: 32-bit longs are encoded as
-/// 'l' or 'L' , but not always. For typedefs, we need to use
+/// Another legacy compatibility encoding: 32-bit longs are encoded as
+/// 'l' or 'L' , but not always. For typedefs, we need to use
/// 'i' or 'I' instead if encoding a struct field, or a pointer!
///
void ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const {
- if (dyn_cast<TypedefType>(PointeeTy.getTypePtr())) {
- if (const BuiltinType *BT = PointeeTy->getAsBuiltinType()) {
+ if (isa<TypedefType>(PointeeTy.getTypePtr())) {
+ if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) {
if (BT->getKind() == BuiltinType::ULong &&
((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32))
PointeeTy = UnsignedIntTy;
- else
+ else
if (BT->getKind() == BuiltinType::Long &&
((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32))
PointeeTy = IntTy;
@@ -2605,11 +2931,11 @@ void ASTContext::getObjCEncodingForType(QualType T, std::string& S,
// directly pointed to, and expanding embedded structures. Note that
// these rules are sufficient to prevent recursive encoding of the
// same type.
- getObjCEncodingForTypeImpl(T, S, true, true, Field,
+ getObjCEncodingForTypeImpl(T, S, true, true, Field,
true /* outermost type */);
}
-static void EncodeBitField(const ASTContext *Context, std::string& S,
+static void EncodeBitField(const ASTContext *Context, std::string& S,
const FieldDecl *FD) {
const Expr *E = FD->getBitWidth();
assert(E && "bitfield width not there - getObjCEncodingForTypeImpl");
@@ -2625,83 +2951,66 @@ void ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S,
const FieldDecl *FD,
bool OutermostType,
bool EncodingProperty) {
- if (const BuiltinType *BT = T->getAsBuiltinType()) {
- if (FD && FD->isBitField()) {
- EncodeBitField(this, S, FD);
- }
- else {
- char encoding;
- switch (BT->getKind()) {
- default: assert(0 && "Unhandled builtin type kind");
- case BuiltinType::Void: encoding = 'v'; break;
- case BuiltinType::Bool: encoding = 'B'; break;
- case BuiltinType::Char_U:
- case BuiltinType::UChar: encoding = 'C'; break;
- case BuiltinType::UShort: encoding = 'S'; break;
- case BuiltinType::UInt: encoding = 'I'; break;
- case BuiltinType::ULong:
- encoding =
- (const_cast<ASTContext *>(this))->getIntWidth(T) == 32 ? 'L' : 'Q';
- break;
- case BuiltinType::UInt128: encoding = 'T'; break;
- case BuiltinType::ULongLong: encoding = 'Q'; break;
- case BuiltinType::Char_S:
- case BuiltinType::SChar: encoding = 'c'; break;
- case BuiltinType::Short: encoding = 's'; break;
- case BuiltinType::Int: encoding = 'i'; break;
- case BuiltinType::Long:
- encoding =
- (const_cast<ASTContext *>(this))->getIntWidth(T) == 32 ? 'l' : 'q';
+ if (const BuiltinType *BT = T->getAs<BuiltinType>()) {
+ if (FD && FD->isBitField())
+ return EncodeBitField(this, S, FD);
+ char encoding;
+ switch (BT->getKind()) {
+ default: assert(0 && "Unhandled builtin type kind");
+ case BuiltinType::Void: encoding = 'v'; break;
+ case BuiltinType::Bool: encoding = 'B'; break;
+ case BuiltinType::Char_U:
+ case BuiltinType::UChar: encoding = 'C'; break;
+ case BuiltinType::UShort: encoding = 'S'; break;
+ case BuiltinType::UInt: encoding = 'I'; break;
+ case BuiltinType::ULong:
+ encoding =
+ (const_cast<ASTContext *>(this))->getIntWidth(T) == 32 ? 'L' : 'Q';
break;
- case BuiltinType::LongLong: encoding = 'q'; break;
- case BuiltinType::Int128: encoding = 't'; break;
- case BuiltinType::Float: encoding = 'f'; break;
- case BuiltinType::Double: encoding = 'd'; break;
- case BuiltinType::LongDouble: encoding = 'd'; break;
- }
-
- S += encoding;
+ case BuiltinType::UInt128: encoding = 'T'; break;
+ case BuiltinType::ULongLong: encoding = 'Q'; break;
+ case BuiltinType::Char_S:
+ case BuiltinType::SChar: encoding = 'c'; break;
+ case BuiltinType::Short: encoding = 's'; break;
+ case BuiltinType::Int: encoding = 'i'; break;
+ case BuiltinType::Long:
+ encoding =
+ (const_cast<ASTContext *>(this))->getIntWidth(T) == 32 ? 'l' : 'q';
+ break;
+ case BuiltinType::LongLong: encoding = 'q'; break;
+ case BuiltinType::Int128: encoding = 't'; break;
+ case BuiltinType::Float: encoding = 'f'; break;
+ case BuiltinType::Double: encoding = 'd'; break;
+ case BuiltinType::LongDouble: encoding = 'd'; break;
}
- } else if (const ComplexType *CT = T->getAsComplexType()) {
+
+ S += encoding;
+ return;
+ }
+
+ if (const ComplexType *CT = T->getAs<ComplexType>()) {
S += 'j';
- getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false,
+ getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false,
false);
- } else if (T->isObjCQualifiedIdType()) {
- getObjCEncodingForTypeImpl(getObjCIdType(), S,
- ExpandPointedToStructures,
- ExpandStructures, FD);
- if (FD || EncodingProperty) {
- // Note that we do extended encoding of protocol qualifer list
- // Only when doing ivar or property encoding.
- const ObjCObjectPointerType *QIDT = T->getAsObjCQualifiedIdType();
- S += '"';
- for (ObjCObjectPointerType::qual_iterator I = QIDT->qual_begin(),
- E = QIDT->qual_end(); I != E; ++I) {
- S += '<';
- S += (*I)->getNameAsString();
- S += '>';
- }
- S += '"';
- }
return;
}
- else if (const PointerType *PT = T->getAsPointerType()) {
+
+ if (const PointerType *PT = T->getAs<PointerType>()) {
QualType PointeeTy = PT->getPointeeType();
bool isReadOnly = false;
// For historical/compatibility reasons, the read-only qualifier of the
// pointee gets emitted _before_ the '^'. The read-only qualifier of
// the pointer itself gets ignored, _unless_ we are looking at a typedef!
- // Also, do not emit the 'r' for anything but the outermost type!
- if (dyn_cast<TypedefType>(T.getTypePtr())) {
+ // Also, do not emit the 'r' for anything but the outermost type!
+ if (isa<TypedefType>(T.getTypePtr())) {
if (OutermostType && T.isConstQualified()) {
isReadOnly = true;
S += 'r';
}
- }
- else if (OutermostType) {
+ } else if (OutermostType) {
QualType P = PointeeTy;
- while (P->getAsPointerType())
- P = P->getAsPointerType()->getPointeeType();
+ while (P->getAs<PointerType>())
+ P = P->getAs<PointerType>()->getPointeeType();
if (P.isConstQualified()) {
isReadOnly = true;
S += 'r';
@@ -2718,46 +3027,11 @@ void ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S,
S.replace(S.end()-2, S.end(), replace);
}
}
- if (isObjCIdStructType(PointeeTy)) {
- S += '@';
- return;
- }
- else if (PointeeTy->isObjCInterfaceType()) {
- if (!EncodingProperty &&
- isa<TypedefType>(PointeeTy.getTypePtr())) {
- // Another historical/compatibility reason.
- // We encode the underlying type which comes out as
- // {...};
- S += '^';
- getObjCEncodingForTypeImpl(PointeeTy, S,
- false, ExpandPointedToStructures,
- NULL);
- return;
- }
- S += '@';
- if (FD || EncodingProperty) {
- const ObjCInterfaceType *OIT =
- PointeeTy.getUnqualifiedType()->getAsObjCInterfaceType();
- ObjCInterfaceDecl *OI = OIT->getDecl();
- S += '"';
- S += OI->getNameAsCString();
- for (ObjCInterfaceType::qual_iterator I = OIT->qual_begin(),
- E = OIT->qual_end(); I != E; ++I) {
- S += '<';
- S += (*I)->getNameAsString();
- S += '>';
- }
- S += '"';
- }
- return;
- } else if (isObjCClassStructType(PointeeTy)) {
- S += '#';
- return;
- } else if (isObjCSelType(PointeeTy)) {
+ if (isObjCSelType(PointeeTy)) {
S += ':';
return;
}
-
+
if (PointeeTy->isCharType()) {
// char pointer types should be encoded as '*' unless it is a
// type that has been typedef'd to 'BOOL'.
@@ -2765,26 +3039,39 @@ void ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S,
S += '*';
return;
}
+ } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) {
+ // GCC binary compat: Need to convert "struct objc_class *" to "#".
+ if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) {
+ S += '#';
+ return;
+ }
+ // GCC binary compat: Need to convert "struct objc_object *" to "@".
+ if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) {
+ S += '@';
+ return;
+ }
+ // fall through...
}
-
S += '^';
getLegacyIntegralTypeEncoding(PointeeTy);
- getObjCEncodingForTypeImpl(PointeeTy, S,
- false, ExpandPointedToStructures,
+ getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures,
NULL);
- } else if (const ArrayType *AT =
- // Ignore type qualifiers etc.
- dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) {
+ return;
+ }
+
+ if (const ArrayType *AT =
+ // Ignore type qualifiers etc.
+ dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) {
if (isa<IncompleteArrayType>(AT)) {
// Incomplete arrays are encoded as a pointer to the array element.
S += '^';
- getObjCEncodingForTypeImpl(AT->getElementType(), S,
+ getObjCEncodingForTypeImpl(AT->getElementType(), S,
false, ExpandStructures, FD);
} else {
S += '[';
-
+
if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT))
S += llvm::utostr(CAT->getSize().getZExtValue());
else {
@@ -2792,14 +3079,20 @@ void ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S,
assert(isa<VariableArrayType>(AT) && "Unknown array type!");
S += '0';
}
-
- getObjCEncodingForTypeImpl(AT->getElementType(), S,
+
+ getObjCEncodingForTypeImpl(AT->getElementType(), S,
false, ExpandStructures, FD);
S += ']';
}
- } else if (T->getAsFunctionType()) {
+ return;
+ }
+
+ if (T->getAs<FunctionType>()) {
S += '?';
- } else if (const RecordType *RTy = T->getAsRecordType()) {
+ return;
+ }
+
+ if (const RecordType *RTy = T->getAs<RecordType>()) {
RecordDecl *RDecl = RTy->getDecl();
S += RDecl->isUnion() ? '(' : '{';
// Anonymous structures print as '?'
@@ -2818,30 +3111,39 @@ void ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S,
S += Field->getNameAsString();
S += '"';
}
-
+
// Special case bit-fields.
if (Field->isBitField()) {
- getObjCEncodingForTypeImpl(Field->getType(), S, false, true,
+ getObjCEncodingForTypeImpl(Field->getType(), S, false, true,
(*Field));
} else {
QualType qt = Field->getType();
getLegacyIntegralTypeEncoding(qt);
- getObjCEncodingForTypeImpl(qt, S, false, true,
+ getObjCEncodingForTypeImpl(qt, S, false, true,
FD);
}
}
}
S += RDecl->isUnion() ? ')' : '}';
- } else if (T->isEnumeralType()) {
+ return;
+ }
+
+ if (T->isEnumeralType()) {
if (FD && FD->isBitField())
EncodeBitField(this, S, FD);
else
S += 'i';
- } else if (T->isBlockPointerType()) {
+ return;
+ }
+
+ if (T->isBlockPointerType()) {
S += "@?"; // Unlike a pointer-to-function, which is "^?".
- } else if (T->isObjCInterfaceType()) {
+ return;
+ }
+
+ if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) {
// @encode(class_name)
- ObjCInterfaceDecl *OI = T->getAsObjCInterfaceType()->getDecl();
+ ObjCInterfaceDecl *OI = OIT->getDecl();
S += '{';
const IdentifierInfo *II = OI->getIdentifier();
S += II->getName();
@@ -2850,19 +3152,78 @@ void ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S,
CollectObjCIvars(OI, RecFields);
for (unsigned i = 0, e = RecFields.size(); i != e; ++i) {
if (RecFields[i]->isBitField())
- getObjCEncodingForTypeImpl(RecFields[i]->getType(), S, false, true,
+ getObjCEncodingForTypeImpl(RecFields[i]->getType(), S, false, true,
RecFields[i]);
else
- getObjCEncodingForTypeImpl(RecFields[i]->getType(), S, false, true,
+ getObjCEncodingForTypeImpl(RecFields[i]->getType(), S, false, true,
FD);
}
S += '}';
+ return;
}
- else
- assert(0 && "@encode for type not implemented!");
+
+ if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) {
+ if (OPT->isObjCIdType()) {
+ S += '@';
+ return;
+ }
+
+ if (OPT->isObjCClassType()) {
+ S += '#';
+ return;
+ }
+
+ if (OPT->isObjCQualifiedIdType()) {
+ getObjCEncodingForTypeImpl(getObjCIdType(), S,
+ ExpandPointedToStructures,
+ ExpandStructures, FD);
+ if (FD || EncodingProperty) {
+ // Note that we do extended encoding of protocol qualifer list
+ // Only when doing ivar or property encoding.
+ S += '"';
+ for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(),
+ E = OPT->qual_end(); I != E; ++I) {
+ S += '<';
+ S += (*I)->getNameAsString();
+ S += '>';
+ }
+ S += '"';
+ }
+ return;
+ }
+
+ QualType PointeeTy = OPT->getPointeeType();
+ if (!EncodingProperty &&
+ isa<TypedefType>(PointeeTy.getTypePtr())) {
+ // Another historical/compatibility reason.
+ // We encode the underlying type which comes out as
+ // {...};
+ S += '^';
+ getObjCEncodingForTypeImpl(PointeeTy, S,
+ false, ExpandPointedToStructures,
+ NULL);
+ return;
+ }
+
+ S += '@';
+ if (FD || EncodingProperty) {
+ S += '"';
+ S += OPT->getInterfaceDecl()->getNameAsCString();
+ for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(),
+ E = OPT->qual_end(); I != E; ++I) {
+ S += '<';
+ S += (*I)->getNameAsString();
+ S += '>';
+ }
+ S += '"';
+ }
+ return;
+ }
+
+ assert(0 && "@encode for type not implemented!");
}
-void ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT,
+void ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT,
std::string& S) const {
if (QT & Decl::OBJC_TQ_In)
S += 'n';
@@ -2878,46 +3239,26 @@ void ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT,
S += 'V';
}
-void ASTContext::setBuiltinVaListType(QualType T)
-{
+void ASTContext::setBuiltinVaListType(QualType T) {
assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!");
-
+
BuiltinVaListType = T;
}
-void ASTContext::setObjCIdType(QualType T)
-{
- ObjCIdType = T;
-
- const TypedefType *TT = T->getAsTypedefType();
- if (!TT)
- return;
-
- TypedefDecl *TD = TT->getDecl();
-
- // typedef struct objc_object *id;
- const PointerType *ptr = TD->getUnderlyingType()->getAsPointerType();
- // User error - caller will issue diagnostics.
- if (!ptr)
- return;
- const RecordType *rec = ptr->getPointeeType()->getAsStructureType();
- // User error - caller will issue diagnostics.
- if (!rec)
- return;
- IdStructType = rec;
+void ASTContext::setObjCIdType(QualType T) {
+ ObjCIdTypedefType = T;
}
-void ASTContext::setObjCSelType(QualType T)
-{
+void ASTContext::setObjCSelType(QualType T) {
ObjCSelType = T;
- const TypedefType *TT = T->getAsTypedefType();
+ const TypedefType *TT = T->getAs<TypedefType>();
if (!TT)
return;
TypedefDecl *TD = TT->getDecl();
// typedef struct objc_selector *SEL;
- const PointerType *ptr = TD->getUnderlyingType()->getAsPointerType();
+ const PointerType *ptr = TD->getUnderlyingType()->getAs<PointerType>();
if (!ptr)
return;
const RecordType *rec = ptr->getPointeeType()->getAsStructureType();
@@ -2926,38 +3267,24 @@ void ASTContext::setObjCSelType(QualType T)
SelStructType = rec;
}
-void ASTContext::setObjCProtoType(QualType QT)
-{
+void ASTContext::setObjCProtoType(QualType QT) {
ObjCProtoType = QT;
}
-void ASTContext::setObjCClassType(QualType T)
-{
- ObjCClassType = T;
-
- const TypedefType *TT = T->getAsTypedefType();
- if (!TT)
- return;
- TypedefDecl *TD = TT->getDecl();
-
- // typedef struct objc_class *Class;
- const PointerType *ptr = TD->getUnderlyingType()->getAsPointerType();
- assert(ptr && "'Class' incorrectly typed");
- const RecordType *rec = ptr->getPointeeType()->getAsStructureType();
- assert(rec && "'Class' incorrectly typed");
- ClassStructType = rec;
+void ASTContext::setObjCClassType(QualType T) {
+ ObjCClassTypedefType = T;
}
void ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) {
- assert(ObjCConstantStringType.isNull() &&
+ assert(ObjCConstantStringType.isNull() &&
"'NSConstantString' type already set!");
-
+
ObjCConstantStringType = getObjCInterfaceType(Decl);
}
/// \brief Retrieve the template name that represents a qualified
/// template name such as \c std::vector.
-TemplateName ASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS,
+TemplateName ASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS,
bool TemplateKeyword,
TemplateDecl *Template) {
llvm::FoldingSetNodeID ID;
@@ -2974,11 +3301,31 @@ TemplateName ASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS,
return TemplateName(QTN);
}
+/// \brief Retrieve the template name that represents a qualified
+/// template name such as \c std::vector.
+TemplateName ASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS,
+ bool TemplateKeyword,
+ OverloadedFunctionDecl *Template) {
+ llvm::FoldingSetNodeID ID;
+ QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template);
+
+ void *InsertPos = 0;
+ QualifiedTemplateName *QTN =
+ QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos);
+ if (!QTN) {
+ QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template);
+ QualifiedTemplateNames.InsertNode(QTN, InsertPos);
+ }
+
+ return TemplateName(QTN);
+}
+
/// \brief Retrieve the template name that represents a dependent
/// template name such as \c MetaFun::template apply.
-TemplateName ASTContext::getDependentTemplateName(NestedNameSpecifier *NNS,
+TemplateName ASTContext::getDependentTemplateName(NestedNameSpecifier *NNS,
const IdentifierInfo *Name) {
- assert(NNS->isDependent() && "Nested name specifier must be dependent");
+ assert((!NNS || NNS->isDependent()) &&
+ "Nested name specifier must be dependent");
llvm::FoldingSetNodeID ID;
DependentTemplateName::Profile(ID, NNS, Name);
@@ -3007,7 +3354,7 @@ TemplateName ASTContext::getDependentTemplateName(NestedNameSpecifier *NNS,
/// is actually a value of type @c TargetInfo::IntType.
QualType ASTContext::getFromTargetType(unsigned Type) const {
switch (Type) {
- case TargetInfo::NoInt: return QualType();
+ case TargetInfo::NoInt: return QualType();
case TargetInfo::SignedShort: return ShortTy;
case TargetInfo::UnsignedShort: return UnsignedShortTy;
case TargetInfo::SignedInt: return IntTy;
@@ -3029,6 +3376,7 @@ QualType ASTContext::getFromTargetType(unsigned Type) const {
/// isObjCNSObjectType - Return true if this is an NSObject object using
/// NSObject attribute on a c-style pointer type.
/// FIXME - Make it work directly on types.
+/// FIXME: Move to Type.
///
bool ASTContext::isObjCNSObjectType(QualType Ty) const {
if (TypedefType *TDT = dyn_cast<TypedefType>(Ty)) {
@@ -3036,68 +3384,30 @@ bool ASTContext::isObjCNSObjectType(QualType Ty) const {
if (TD->getAttr<ObjCNSObjectAttr>())
return true;
}
- return false;
-}
-
-/// isObjCObjectPointerType - Returns true if type is an Objective-C pointer
-/// to an object type. This includes "id" and "Class" (two 'special' pointers
-/// to struct), Interface* (pointer to ObjCInterfaceType) and id<P> (qualified
-/// ID type).
-bool ASTContext::isObjCObjectPointerType(QualType Ty) const {
- if (Ty->isObjCQualifiedIdType())
- return true;
-
- // Blocks are objects.
- if (Ty->isBlockPointerType())
- return true;
-
- // All other object types are pointers.
- const PointerType *PT = Ty->getAsPointerType();
- if (PT == 0)
- return false;
-
- // If this a pointer to an interface (e.g. NSString*), it is ok.
- if (PT->getPointeeType()->isObjCInterfaceType() ||
- // If is has NSObject attribute, OK as well.
- isObjCNSObjectType(Ty))
- return true;
-
- // Check to see if this is 'id' or 'Class', both of which are typedefs for
- // pointer types. This looks for the typedef specifically, not for the
- // underlying type. Iteratively strip off typedefs so that we can handle
- // typedefs of typedefs.
- while (TypedefType *TDT = dyn_cast<TypedefType>(Ty)) {
- if (Ty.getUnqualifiedType() == getObjCIdType() ||
- Ty.getUnqualifiedType() == getObjCClassType())
- return true;
-
- Ty = TDT->getDecl()->getUnderlyingType();
- }
-
return false;
}
/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's
/// garbage collection attribute.
///
-QualType::GCAttrTypes ASTContext::getObjCGCAttrKind(const QualType &Ty) const {
- QualType::GCAttrTypes GCAttrs = QualType::GCNone;
+Qualifiers::GC ASTContext::getObjCGCAttrKind(const QualType &Ty) const {
+ Qualifiers::GC GCAttrs = Qualifiers::GCNone;
if (getLangOptions().ObjC1 &&
getLangOptions().getGCMode() != LangOptions::NonGC) {
GCAttrs = Ty.getObjCGCAttr();
// Default behavious under objective-c's gc is for objective-c pointers
- // (or pointers to them) be treated as though they were declared
+ // (or pointers to them) be treated as though they were declared
// as __strong.
- if (GCAttrs == QualType::GCNone) {
- if (isObjCObjectPointerType(Ty))
- GCAttrs = QualType::Strong;
+ if (GCAttrs == Qualifiers::GCNone) {
+ if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType())
+ GCAttrs = Qualifiers::Strong;
else if (Ty->isPointerType())
- return getObjCGCAttrKind(Ty->getAsPointerType()->getPointeeType());
+ return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType());
}
// Non-pointers have none gc'able attribute regardless of the attribute
// set on them.
- else if (!Ty->isPointerType() && !isObjCObjectPointerType(Ty))
- return QualType::GCNone;
+ else if (!Ty->isAnyPointerType() && !Ty->isBlockPointerType())
+ return Qualifiers::GCNone;
}
return GCAttrs;
}
@@ -3106,7 +3416,7 @@ QualType::GCAttrTypes ASTContext::getObjCGCAttrKind(const QualType &Ty) const {
// Type Compatibility Testing
//===----------------------------------------------------------------------===//
-/// areCompatVectorTypes - Return true if the two specified vector types are
+/// areCompatVectorTypes - Return true if the two specified vector types are
/// compatible.
static bool areCompatVectorTypes(const VectorType *LHS,
const VectorType *RHS) {
@@ -3115,46 +3425,207 @@ static bool areCompatVectorTypes(const VectorType *LHS,
LHS->getNumElements() == RHS->getNumElements();
}
+//===----------------------------------------------------------------------===//
+// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's.
+//===----------------------------------------------------------------------===//
+
+/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the
+/// inheritance hierarchy of 'rProto'.
+bool ASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto,
+ ObjCProtocolDecl *rProto) {
+ if (lProto == rProto)
+ return true;
+ for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(),
+ E = rProto->protocol_end(); PI != E; ++PI)
+ if (ProtocolCompatibleWithProtocol(lProto, *PI))
+ return true;
+ return false;
+}
+
+/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...>
+/// return true if lhs's protocols conform to rhs's protocol; false
+/// otherwise.
+bool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) {
+ if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType())
+ return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false);
+ return false;
+}
+
+/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an
+/// ObjCQualifiedIDType.
+bool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs,
+ bool compare) {
+ // Allow id<P..> and an 'id' or void* type in all cases.
+ if (lhs->isVoidPointerType() ||
+ lhs->isObjCIdType() || lhs->isObjCClassType())
+ return true;
+ else if (rhs->isVoidPointerType() ||
+ rhs->isObjCIdType() || rhs->isObjCClassType())
+ return true;
+
+ if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) {
+ const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>();
+
+ if (!rhsOPT) return false;
+
+ if (rhsOPT->qual_empty()) {
+ // If the RHS is a unqualified interface pointer "NSString*",
+ // make sure we check the class hierarchy.
+ if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) {
+ for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(),
+ E = lhsQID->qual_end(); I != E; ++I) {
+ // when comparing an id<P> on lhs with a static type on rhs,
+ // see if static class implements all of id's protocols, directly or
+ // through its super class and categories.
+ if (!rhsID->ClassImplementsProtocol(*I, true))
+ return false;
+ }
+ }
+ // If there are no qualifiers and no interface, we have an 'id'.
+ return true;
+ }
+ // Both the right and left sides have qualifiers.
+ for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(),
+ E = lhsQID->qual_end(); I != E; ++I) {
+ ObjCProtocolDecl *lhsProto = *I;
+ bool match = false;
+
+ // when comparing an id<P> on lhs with a static type on rhs,
+ // see if static class implements all of id's protocols, directly or
+ // through its super class and categories.
+ for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(),
+ E = rhsOPT->qual_end(); J != E; ++J) {
+ ObjCProtocolDecl *rhsProto = *J;
+ if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) ||
+ (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) {
+ match = true;
+ break;
+ }
+ }
+ // If the RHS is a qualified interface pointer "NSString<P>*",
+ // make sure we check the class hierarchy.
+ if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) {
+ for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(),
+ E = lhsQID->qual_end(); I != E; ++I) {
+ // when comparing an id<P> on lhs with a static type on rhs,
+ // see if static class implements all of id's protocols, directly or
+ // through its super class and categories.
+ if (rhsID->ClassImplementsProtocol(*I, true)) {
+ match = true;
+ break;
+ }
+ }
+ }
+ if (!match)
+ return false;
+ }
+
+ return true;
+ }
+
+ const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType();
+ assert(rhsQID && "One of the LHS/RHS should be id<x>");
+
+ if (const ObjCObjectPointerType *lhsOPT =
+ lhs->getAsObjCInterfacePointerType()) {
+ if (lhsOPT->qual_empty()) {
+ bool match = false;
+ if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) {
+ for (ObjCObjectPointerType::qual_iterator I = rhsQID->qual_begin(),
+ E = rhsQID->qual_end(); I != E; ++I) {
+ // when comparing an id<P> on lhs with a static type on rhs,
+ // see if static class implements all of id's protocols, directly or
+ // through its super class and categories.
+ if (lhsID->ClassImplementsProtocol(*I, true)) {
+ match = true;
+ break;
+ }
+ }
+ if (!match)
+ return false;
+ }
+ return true;
+ }
+ // Both the right and left sides have qualifiers.
+ for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(),
+ E = lhsOPT->qual_end(); I != E; ++I) {
+ ObjCProtocolDecl *lhsProto = *I;
+ bool match = false;
+
+ // when comparing an id<P> on lhs with a static type on rhs,
+ // see if static class implements all of id's protocols, directly or
+ // through its super class and categories.
+ for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(),
+ E = rhsQID->qual_end(); J != E; ++J) {
+ ObjCProtocolDecl *rhsProto = *J;
+ if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) ||
+ (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) {
+ match = true;
+ break;
+ }
+ }
+ if (!match)
+ return false;
+ }
+ return true;
+ }
+ return false;
+}
+
/// canAssignObjCInterfaces - Return true if the two interface types are
/// compatible for assignment from RHS to LHS. This handles validation of any
/// protocol qualifiers on the LHS or RHS.
///
+bool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT,
+ const ObjCObjectPointerType *RHSOPT) {
+ // If either type represents the built-in 'id' or 'Class' types, return true.
+ if (LHSOPT->isObjCBuiltinType() || RHSOPT->isObjCBuiltinType())
+ return true;
+
+ if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType())
+ return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0),
+ QualType(RHSOPT,0),
+ false);
+
+ const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType();
+ const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType();
+ if (LHS && RHS) // We have 2 user-defined types.
+ return canAssignObjCInterfaces(LHS, RHS);
+
+ return false;
+}
+
bool ASTContext::canAssignObjCInterfaces(const ObjCInterfaceType *LHS,
const ObjCInterfaceType *RHS) {
// Verify that the base decls are compatible: the RHS must be a subclass of
// the LHS.
if (!LHS->getDecl()->isSuperClassOf(RHS->getDecl()))
return false;
-
+
// RHS must have a superset of the protocols in the LHS. If the LHS is not
// protocol qualified at all, then we are good.
- if (!isa<ObjCQualifiedInterfaceType>(LHS))
+ if (LHS->getNumProtocols() == 0)
return true;
-
+
// Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, then it
// isn't a superset.
- if (!isa<ObjCQualifiedInterfaceType>(RHS))
+ if (RHS->getNumProtocols() == 0)
return true; // FIXME: should return false!
-
- // Finally, we must have two protocol-qualified interfaces.
- const ObjCQualifiedInterfaceType *LHSP =cast<ObjCQualifiedInterfaceType>(LHS);
- const ObjCQualifiedInterfaceType *RHSP =cast<ObjCQualifiedInterfaceType>(RHS);
-
- // All LHS protocols must have a presence on the RHS.
- assert(LHSP->qual_begin() != LHSP->qual_end() && "Empty LHS protocol list?");
-
- for (ObjCQualifiedInterfaceType::qual_iterator LHSPI = LHSP->qual_begin(),
- LHSPE = LHSP->qual_end();
+
+ for (ObjCInterfaceType::qual_iterator LHSPI = LHS->qual_begin(),
+ LHSPE = LHS->qual_end();
LHSPI != LHSPE; LHSPI++) {
bool RHSImplementsProtocol = false;
// If the RHS doesn't implement the protocol on the left, the types
// are incompatible.
- for (ObjCQualifiedInterfaceType::qual_iterator RHSPI = RHSP->qual_begin(),
- RHSPE = RHSP->qual_end();
- !RHSImplementsProtocol && (RHSPI != RHSPE); RHSPI++) {
- if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier()))
+ for (ObjCInterfaceType::qual_iterator RHSPI = RHS->qual_begin(),
+ RHSPE = RHS->qual_end();
+ RHSPI != RHSPE; RHSPI++) {
+ if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) {
RHSImplementsProtocol = true;
+ break;
+ }
}
// FIXME: For better diagnostics, consider passing back the protocol name.
if (!RHSImplementsProtocol)
@@ -3166,38 +3637,27 @@ bool ASTContext::canAssignObjCInterfaces(const ObjCInterfaceType *LHS,
bool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) {
// get the "pointed to" types
- const PointerType *LHSPT = LHS->getAsPointerType();
- const PointerType *RHSPT = RHS->getAsPointerType();
-
- if (!LHSPT || !RHSPT)
- return false;
-
- QualType lhptee = LHSPT->getPointeeType();
- QualType rhptee = RHSPT->getPointeeType();
- const ObjCInterfaceType* LHSIface = lhptee->getAsObjCInterfaceType();
- const ObjCInterfaceType* RHSIface = rhptee->getAsObjCInterfaceType();
- // ID acts sort of like void* for ObjC interfaces
- if (LHSIface && isObjCIdStructType(rhptee))
- return true;
- if (RHSIface && isObjCIdStructType(lhptee))
- return true;
- if (!LHSIface || !RHSIface)
+ const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>();
+ const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>();
+
+ if (!LHSOPT || !RHSOPT)
return false;
- return canAssignObjCInterfaces(LHSIface, RHSIface) ||
- canAssignObjCInterfaces(RHSIface, LHSIface);
+
+ return canAssignObjCInterfaces(LHSOPT, RHSOPT) ||
+ canAssignObjCInterfaces(RHSOPT, LHSOPT);
}
-/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible,
+/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible,
/// both shall have the identically qualified version of a compatible type.
-/// C99 6.2.7p1: Two types have compatible types if their types are the
+/// C99 6.2.7p1: Two types have compatible types if their types are the
/// same. See 6.7.[2,3,5] for additional rules.
bool ASTContext::typesAreCompatible(QualType LHS, QualType RHS) {
return !mergeTypes(LHS, RHS).isNull();
}
QualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs) {
- const FunctionType *lbase = lhs->getAsFunctionType();
- const FunctionType *rbase = rhs->getAsFunctionType();
+ const FunctionType *lbase = lhs->getAs<FunctionType>();
+ const FunctionType *rbase = rhs->getAs<FunctionType>();
const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase);
const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase);
bool allLTypes = true;
@@ -3210,6 +3670,12 @@ QualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs) {
allLTypes = false;
if (getCanonicalType(retType) != getCanonicalType(rbase->getResultType()))
allRTypes = false;
+ // FIXME: double check this
+ bool NoReturn = lbase->getNoReturnAttr() || rbase->getNoReturnAttr();
+ if (NoReturn != lbase->getNoReturnAttr())
+ allLTypes = false;
+ if (NoReturn != rbase->getNoReturnAttr())
+ allRTypes = false;
if (lproto && rproto) { // two C99 style function prototypes
assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() &&
@@ -3244,7 +3710,8 @@ QualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs) {
if (allLTypes) return lhs;
if (allRTypes) return rhs;
return getFunctionType(retType, types.begin(), types.size(),
- lproto->isVariadic(), lproto->getTypeQuals());
+ lproto->isVariadic(), lproto->getTypeQuals(),
+ NoReturn);
}
if (lproto) allRTypes = false;
@@ -3270,13 +3737,13 @@ QualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs) {
if (allLTypes) return lhs;
if (allRTypes) return rhs;
return getFunctionType(retType, proto->arg_type_begin(),
- proto->getNumArgs(), lproto->isVariadic(),
- lproto->getTypeQuals());
+ proto->getNumArgs(), proto->isVariadic(),
+ proto->getTypeQuals(), NoReturn);
}
if (allLTypes) return lhs;
if (allRTypes) return rhs;
- return getFunctionNoProtoType(retType);
+ return getFunctionNoProtoType(retType, NoReturn);
}
QualType ASTContext::mergeTypes(QualType LHS, QualType RHS) {
@@ -3289,9 +3756,9 @@ QualType ASTContext::mergeTypes(QualType LHS, QualType RHS) {
// enough that they should be handled separately.
// FIXME: Merging of lvalue and rvalue references is incorrect. C++ *really*
// shouldn't be going through here!
- if (const ReferenceType *RT = LHS->getAsReferenceType())
+ if (const ReferenceType *RT = LHS->getAs<ReferenceType>())
LHS = RT->getPointeeType();
- if (const ReferenceType *RT = RHS->getAsReferenceType())
+ if (const ReferenceType *RT = RHS->getAs<ReferenceType>())
RHS = RT->getPointeeType();
QualType LHSCan = getCanonicalType(LHS),
@@ -3301,11 +3768,38 @@ QualType ASTContext::mergeTypes(QualType LHS, QualType RHS) {
if (LHSCan == RHSCan)
return LHS;
- // If the qualifiers are different, the types aren't compatible
- // Note that we handle extended qualifiers later, in the
- // case for ExtQualType.
- if (LHSCan.getCVRQualifiers() != RHSCan.getCVRQualifiers())
+ // If the qualifiers are different, the types aren't compatible... mostly.
+ Qualifiers LQuals = LHSCan.getQualifiers();
+ Qualifiers RQuals = RHSCan.getQualifiers();
+ if (LQuals != RQuals) {
+ // If any of these qualifiers are different, we have a type
+ // mismatch.
+ if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() ||
+ LQuals.getAddressSpace() != RQuals.getAddressSpace())
+ return QualType();
+
+ // Exactly one GC qualifier difference is allowed: __strong is
+ // okay if the other type has no GC qualifier but is an Objective
+ // C object pointer (i.e. implicitly strong by default). We fix
+ // this by pretending that the unqualified type was actually
+ // qualified __strong.
+ Qualifiers::GC GC_L = LQuals.getObjCGCAttr();
+ Qualifiers::GC GC_R = RQuals.getObjCGCAttr();
+ assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements");
+
+ if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak)
+ return QualType();
+
+ if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) {
+ return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong));
+ }
+ if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) {
+ return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS);
+ }
return QualType();
+ }
+
+ // Okay, qualifiers are equal.
Type::TypeClass LHSClass = LHSCan->getTypeClass();
Type::TypeClass RHSClass = RHSCan->getTypeClass();
@@ -3315,120 +3809,25 @@ QualType ASTContext::mergeTypes(QualType LHS, QualType RHS) {
if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto;
if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto;
- // Strip off objc_gc attributes off the top level so they can be merged.
- // This is a complete mess, but the attribute itself doesn't make much sense.
- if (RHSClass == Type::ExtQual) {
- QualType::GCAttrTypes GCAttr = RHSCan.getObjCGCAttr();
- if (GCAttr != QualType::GCNone) {
- QualType::GCAttrTypes GCLHSAttr = LHSCan.getObjCGCAttr();
- // __weak attribute must appear on both declarations.
- // __strong attribue is redundant if other decl is an objective-c
- // object pointer (or decorated with __strong attribute); otherwise
- // issue error.
- if ((GCAttr == QualType::Weak && GCLHSAttr != GCAttr) ||
- (GCAttr == QualType::Strong && GCLHSAttr != GCAttr &&
- LHSCan->isPointerType() && !isObjCObjectPointerType(LHSCan) &&
- !isObjCIdStructType(LHSCan->getAsPointerType()->getPointeeType())))
- return QualType();
-
- RHS = QualType(cast<ExtQualType>(RHS.getDesugaredType())->getBaseType(),
- RHS.getCVRQualifiers());
- QualType Result = mergeTypes(LHS, RHS);
- if (!Result.isNull()) {
- if (Result.getObjCGCAttr() == QualType::GCNone)
- Result = getObjCGCQualType(Result, GCAttr);
- else if (Result.getObjCGCAttr() != GCAttr)
- Result = QualType();
- }
- return Result;
- }
- }
- if (LHSClass == Type::ExtQual) {
- QualType::GCAttrTypes GCAttr = LHSCan.getObjCGCAttr();
- if (GCAttr != QualType::GCNone) {
- QualType::GCAttrTypes GCRHSAttr = RHSCan.getObjCGCAttr();
- // __weak attribute must appear on both declarations. __strong
- // __strong attribue is redundant if other decl is an objective-c
- // object pointer (or decorated with __strong attribute); otherwise
- // issue error.
- if ((GCAttr == QualType::Weak && GCRHSAttr != GCAttr) ||
- (GCAttr == QualType::Strong && GCRHSAttr != GCAttr &&
- RHSCan->isPointerType() && !isObjCObjectPointerType(RHSCan) &&
- !isObjCIdStructType(RHSCan->getAsPointerType()->getPointeeType())))
- return QualType();
-
- LHS = QualType(cast<ExtQualType>(LHS.getDesugaredType())->getBaseType(),
- LHS.getCVRQualifiers());
- QualType Result = mergeTypes(LHS, RHS);
- if (!Result.isNull()) {
- if (Result.getObjCGCAttr() == QualType::GCNone)
- Result = getObjCGCQualType(Result, GCAttr);
- else if (Result.getObjCGCAttr() != GCAttr)
- Result = QualType();
- }
- return Result;
- }
- }
-
// Same as above for arrays
if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray)
LHSClass = Type::ConstantArray;
if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray)
RHSClass = Type::ConstantArray;
-
+
// Canonicalize ExtVector -> Vector.
if (LHSClass == Type::ExtVector) LHSClass = Type::Vector;
if (RHSClass == Type::ExtVector) RHSClass = Type::Vector;
-
- // Consider qualified interfaces and interfaces the same.
- if (LHSClass == Type::ObjCQualifiedInterface) LHSClass = Type::ObjCInterface;
- if (RHSClass == Type::ObjCQualifiedInterface) RHSClass = Type::ObjCInterface;
// If the canonical type classes don't match.
if (LHSClass != RHSClass) {
- const ObjCInterfaceType* LHSIface = LHS->getAsObjCInterfaceType();
- const ObjCInterfaceType* RHSIface = RHS->getAsObjCInterfaceType();
-
- // 'id' and 'Class' act sort of like void* for ObjC interfaces
- if (LHSIface && (isObjCIdStructType(RHS) || isObjCClassStructType(RHS)))
- return LHS;
- if (RHSIface && (isObjCIdStructType(LHS) || isObjCClassStructType(LHS)))
- return RHS;
-
- // ID is compatible with all qualified id types.
- if (LHS->isObjCQualifiedIdType()) {
- if (const PointerType *PT = RHS->getAsPointerType()) {
- QualType pType = PT->getPointeeType();
- if (isObjCIdStructType(pType) || isObjCClassStructType(pType))
- return LHS;
- // FIXME: need to use ObjCQualifiedIdTypesAreCompatible(LHS, RHS, true).
- // Unfortunately, this API is part of Sema (which we don't have access
- // to. Need to refactor. The following check is insufficient, since we
- // need to make sure the class implements the protocol.
- if (pType->isObjCInterfaceType())
- return LHS;
- }
- }
- if (RHS->isObjCQualifiedIdType()) {
- if (const PointerType *PT = LHS->getAsPointerType()) {
- QualType pType = PT->getPointeeType();
- if (isObjCIdStructType(pType) || isObjCClassStructType(pType))
- return RHS;
- // FIXME: need to use ObjCQualifiedIdTypesAreCompatible(LHS, RHS, true).
- // Unfortunately, this API is part of Sema (which we don't have access
- // to. Need to refactor. The following check is insufficient, since we
- // need to make sure the class implements the protocol.
- if (pType->isObjCInterfaceType())
- return RHS;
- }
- }
// C99 6.7.2.2p4: Each enumerated type shall be compatible with char,
- // a signed integer type, or an unsigned integer type.
- if (const EnumType* ETy = LHS->getAsEnumType()) {
+ // a signed integer type, or an unsigned integer type.
+ if (const EnumType* ETy = LHS->getAs<EnumType>()) {
if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType())
return RHS;
}
- if (const EnumType* ETy = RHS->getAsEnumType()) {
+ if (const EnumType* ETy = RHS->getAs<EnumType>()) {
if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType())
return LHS;
}
@@ -3456,15 +3855,14 @@ QualType ASTContext::mergeTypes(QualType LHS, QualType RHS) {
case Type::VariableArray:
case Type::FunctionProto:
case Type::ExtVector:
- case Type::ObjCQualifiedInterface:
assert(false && "Types are eliminated above");
return QualType();
case Type::Pointer:
{
// Merge two pointer types, while trying to preserve typedef info
- QualType LHSPointee = LHS->getAsPointerType()->getPointeeType();
- QualType RHSPointee = RHS->getAsPointerType()->getPointeeType();
+ QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType();
+ QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType();
QualType ResultType = mergeTypes(LHSPointee, RHSPointee);
if (ResultType.isNull()) return QualType();
if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType))
@@ -3476,8 +3874,8 @@ QualType ASTContext::mergeTypes(QualType LHS, QualType RHS) {
case Type::BlockPointer:
{
// Merge two block pointer types, while trying to preserve typedef info
- QualType LHSPointee = LHS->getAsBlockPointerType()->getPointeeType();
- QualType RHSPointee = RHS->getAsBlockPointerType()->getPointeeType();
+ QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType();
+ QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType();
QualType ResultType = mergeTypes(LHSPointee, RHSPointee);
if (ResultType.isNull()) return QualType();
if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType))
@@ -3525,15 +3923,13 @@ QualType ASTContext::mergeTypes(QualType LHS, QualType RHS) {
}
if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS;
if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS;
- return getIncompleteArrayType(ResultType, ArrayType::ArraySizeModifier(),0);
+ return getIncompleteArrayType(ResultType,
+ ArrayType::ArraySizeModifier(), 0);
}
case Type::FunctionNoProto:
return mergeFunctionTypes(LHS, RHS);
case Type::Record:
case Type::Enum:
- // FIXME: Why are these compatible?
- if (isObjCIdStructType(LHS) && isObjCClassStructType(RHS)) return LHS;
- if (isObjCClassStructType(LHS) && isObjCIdStructType(RHS)) return LHS;
return QualType();
case Type::Builtin:
// Only exactly equal builtin types are compatible, which is tested above.
@@ -3543,56 +3939,31 @@ QualType ASTContext::mergeTypes(QualType LHS, QualType RHS) {
return QualType();
case Type::Vector:
// FIXME: The merged type should be an ExtVector!
- if (areCompatVectorTypes(LHS->getAsVectorType(), RHS->getAsVectorType()))
+ if (areCompatVectorTypes(LHS->getAs<VectorType>(), RHS->getAs<VectorType>()))
return LHS;
return QualType();
case Type::ObjCInterface: {
// Check if the interfaces are assignment compatible.
// FIXME: This should be type compatibility, e.g. whether
// "LHS x; RHS x;" at global scope is legal.
- const ObjCInterfaceType* LHSIface = LHS->getAsObjCInterfaceType();
- const ObjCInterfaceType* RHSIface = RHS->getAsObjCInterfaceType();
+ const ObjCInterfaceType* LHSIface = LHS->getAs<ObjCInterfaceType>();
+ const ObjCInterfaceType* RHSIface = RHS->getAs<ObjCInterfaceType>();
if (LHSIface && RHSIface &&
canAssignObjCInterfaces(LHSIface, RHSIface))
return LHS;
return QualType();
}
- case Type::ObjCObjectPointer:
- // FIXME: finish
- // Distinct qualified id's are not compatible.
+ case Type::ObjCObjectPointer: {
+ if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(),
+ RHS->getAs<ObjCObjectPointerType>()))
+ return LHS;
+
return QualType();
+ }
case Type::FixedWidthInt:
// Distinct fixed-width integers are not compatible.
return QualType();
- case Type::ExtQual:
- // FIXME: ExtQual types can be compatible even if they're not
- // identical!
- return QualType();
- // First attempt at an implementation, but I'm not really sure it's
- // right...
-#if 0
- ExtQualType* LQual = cast<ExtQualType>(LHSCan);
- ExtQualType* RQual = cast<ExtQualType>(RHSCan);
- if (LQual->getAddressSpace() != RQual->getAddressSpace() ||
- LQual->getObjCGCAttr() != RQual->getObjCGCAttr())
- return QualType();
- QualType LHSBase, RHSBase, ResultType, ResCanUnqual;
- LHSBase = QualType(LQual->getBaseType(), 0);
- RHSBase = QualType(RQual->getBaseType(), 0);
- ResultType = mergeTypes(LHSBase, RHSBase);
- if (ResultType.isNull()) return QualType();
- ResCanUnqual = getCanonicalType(ResultType).getUnqualifiedType();
- if (LHSCan.getUnqualifiedType() == ResCanUnqual)
- return LHS;
- if (RHSCan.getUnqualifiedType() == ResCanUnqual)
- return RHS;
- ResultType = getAddrSpaceQualType(ResultType, LQual->getAddressSpace());
- ResultType = getObjCGCQualType(ResultType, LQual->getObjCGCAttr());
- ResultType.setCVRQualifiers(LHSCan.getCVRQualifiers());
- return ResultType;
-#endif
-
case Type::TemplateSpecialization:
assert(false && "Dependent types have no size");
break;
@@ -3617,9 +3988,9 @@ unsigned ASTContext::getIntWidth(QualType T) {
QualType ASTContext::getCorrespondingUnsignedType(QualType T) {
assert(T->isSignedIntegerType() && "Unexpected type");
- if (const EnumType* ETy = T->getAsEnumType())
+ if (const EnumType* ETy = T->getAs<EnumType>())
T = ETy->getDecl()->getIntegerType();
- const BuiltinType* BTy = T->getAsBuiltinType();
+ const BuiltinType* BTy = T->getAs<BuiltinType>();
assert (BTy && "Unexpected signed integer type");
switch (BTy->getKind()) {
case BuiltinType::Char_S:
@@ -3652,18 +4023,18 @@ void ExternalASTSource::PrintStats() { }
/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the
/// pointer over the consumed characters. This returns the resultant type.
-static QualType DecodeTypeFromStr(const char *&Str, ASTContext &Context,
+static QualType DecodeTypeFromStr(const char *&Str, ASTContext &Context,
ASTContext::GetBuiltinTypeError &Error,
bool AllowTypeModifiers = true) {
// Modifiers.
int HowLong = 0;
bool Signed = false, Unsigned = false;
-
+
// Read the modifiers first.
bool Done = false;
while (!Done) {
switch (*Str++) {
- default: Done = true; --Str; break;
+ default: Done = true; --Str; break;
case 'S':
assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!");
assert(!Signed && "Can't use 'S' modifier multiple times!");
@@ -3682,7 +4053,7 @@ static QualType DecodeTypeFromStr(const char *&Str, ASTContext &Context,
}
QualType Type;
-
+
// Read the base type.
switch (*Str++) {
default: assert(0 && "Unknown builtin type letter!");
@@ -3764,34 +4135,43 @@ static QualType DecodeTypeFromStr(const char *&Str, ASTContext &Context,
break;
case 'V': {
char *End;
-
unsigned NumElements = strtoul(Str, &End, 10);
assert(End != Str && "Missing vector size");
-
+
Str = End;
-
+
QualType ElementType = DecodeTypeFromStr(Str, Context, Error, false);
Type = Context.getVectorType(ElementType, NumElements);
break;
}
- case 'P': {
- IdentifierInfo *II = &Context.Idents.get("FILE");
- DeclContext::lookup_result Lookup
- = Context.getTranslationUnitDecl()->lookup(II);
- if (Lookup.first != Lookup.second && isa<TypeDecl>(*Lookup.first)) {
- Type = Context.getTypeDeclType(cast<TypeDecl>(*Lookup.first));
- break;
+ case 'X': {
+ QualType ElementType = DecodeTypeFromStr(Str, Context, Error, false);
+ Type = Context.getComplexType(ElementType);
+ break;
+ }
+ case 'P':
+ Type = Context.getFILEType();
+ if (Type.isNull()) {
+ Error = ASTContext::GE_Missing_stdio;
+ return QualType();
}
- else {
- Error = ASTContext::GE_Missing_FILE;
+ break;
+ case 'J':
+ if (Signed)
+ Type = Context.getsigjmp_bufType();
+ else
+ Type = Context.getjmp_bufType();
+
+ if (Type.isNull()) {
+ Error = ASTContext::GE_Missing_setjmp;
return QualType();
}
+ break;
}
- }
-
+
if (!AllowTypeModifiers)
return Type;
-
+
Done = false;
while (!Done) {
switch (*Str++) {
@@ -3804,11 +4184,11 @@ static QualType DecodeTypeFromStr(const char *&Str, ASTContext &Context,
break;
// FIXME: There's no way to have a built-in with an rvalue ref arg.
case 'C':
- Type = Type.getQualifiedType(QualType::Const);
+ Type = Type.withConst();
break;
}
}
-
+
return Type;
}
@@ -3816,9 +4196,9 @@ static QualType DecodeTypeFromStr(const char *&Str, ASTContext &Context,
QualType ASTContext::GetBuiltinType(unsigned id,
GetBuiltinTypeError &Error) {
const char *TypeStr = BuiltinInfo.GetTypeString(id);
-
+
llvm::SmallVector<QualType, 8> ArgTypes;
-
+
Error = GE_None;
QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error);
if (Error != GE_None)
@@ -3831,7 +4211,7 @@ QualType ASTContext::GetBuiltinType(unsigned id,
// Do array -> pointer decay. The builtin should use the decayed type.
if (Ty->isArrayType())
Ty = getArrayDecayedType(Ty);
-
+
ArgTypes.push_back(Ty);
}
@@ -3844,3 +4224,143 @@ QualType ASTContext::GetBuiltinType(unsigned id,
return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(),
TypeStr[0] == '.', 0);
}
+
+QualType
+ASTContext::UsualArithmeticConversionsType(QualType lhs, QualType rhs) {
+ // Perform the usual unary conversions. We do this early so that
+ // integral promotions to "int" can allow us to exit early, in the
+ // lhs == rhs check. Also, for conversion purposes, we ignore any
+ // qualifiers. For example, "const float" and "float" are
+ // equivalent.
+ if (lhs->isPromotableIntegerType())
+ lhs = getPromotedIntegerType(lhs);
+ else
+ lhs = lhs.getUnqualifiedType();
+ if (rhs->isPromotableIntegerType())
+ rhs = getPromotedIntegerType(rhs);
+ else
+ rhs = rhs.getUnqualifiedType();
+
+ // If both types are identical, no conversion is needed.
+ if (lhs == rhs)
+ return lhs;
+
+ // If either side is a non-arithmetic type (e.g. a pointer), we are done.
+ // The caller can deal with this (e.g. pointer + int).
+ if (!lhs->isArithmeticType() || !rhs->isArithmeticType())
+ return lhs;
+
+ // At this point, we have two different arithmetic types.
+
+ // Handle complex types first (C99 6.3.1.8p1).
+ if (lhs->isComplexType() || rhs->isComplexType()) {
+ // if we have an integer operand, the result is the complex type.
+ if (rhs->isIntegerType() || rhs->isComplexIntegerType()) {
+ // convert the rhs to the lhs complex type.
+ return lhs;
+ }
+ if (lhs->isIntegerType() || lhs->isComplexIntegerType()) {
+ // convert the lhs to the rhs complex type.
+ return rhs;
+ }
+ // This handles complex/complex, complex/float, or float/complex.
+ // When both operands are complex, the shorter operand is converted to the
+ // type of the longer, and that is the type of the result. This corresponds
+ // to what is done when combining two real floating-point operands.
+ // The fun begins when size promotion occur across type domains.
+ // From H&S 6.3.4: When one operand is complex and the other is a real
+ // floating-point type, the less precise type is converted, within it's
+ // real or complex domain, to the precision of the other type. For example,
+ // when combining a "long double" with a "double _Complex", the
+ // "double _Complex" is promoted to "long double _Complex".
+ int result = getFloatingTypeOrder(lhs, rhs);
+
+ if (result > 0) { // The left side is bigger, convert rhs.
+ rhs = getFloatingTypeOfSizeWithinDomain(lhs, rhs);
+ } else if (result < 0) { // The right side is bigger, convert lhs.
+ lhs = getFloatingTypeOfSizeWithinDomain(rhs, lhs);
+ }
+ // At this point, lhs and rhs have the same rank/size. Now, make sure the
+ // domains match. This is a requirement for our implementation, C99
+ // does not require this promotion.
+ if (lhs != rhs) { // Domains don't match, we have complex/float mix.
+ if (lhs->isRealFloatingType()) { // handle "double, _Complex double".
+ return rhs;
+ } else { // handle "_Complex double, double".
+ return lhs;
+ }
+ }
+ return lhs; // The domain/size match exactly.
+ }
+ // Now handle "real" floating types (i.e. float, double, long double).
+ if (lhs->isRealFloatingType() || rhs->isRealFloatingType()) {
+ // if we have an integer operand, the result is the real floating type.
+ if (rhs->isIntegerType()) {
+ // convert rhs to the lhs floating point type.
+ return lhs;
+ }
+ if (rhs->isComplexIntegerType()) {
+ // convert rhs to the complex floating point type.
+ return getComplexType(lhs);
+ }
+ if (lhs->isIntegerType()) {
+ // convert lhs to the rhs floating point type.
+ return rhs;
+ }
+ if (lhs->isComplexIntegerType()) {
+ // convert lhs to the complex floating point type.
+ return getComplexType(rhs);
+ }
+ // We have two real floating types, float/complex combos were handled above.
+ // Convert the smaller operand to the bigger result.
+ int result = getFloatingTypeOrder(lhs, rhs);
+ if (result > 0) // convert the rhs
+ return lhs;
+ assert(result < 0 && "illegal float comparison");
+ return rhs; // convert the lhs
+ }
+ if (lhs->isComplexIntegerType() || rhs->isComplexIntegerType()) {
+ // Handle GCC complex int extension.
+ const ComplexType *lhsComplexInt = lhs->getAsComplexIntegerType();
+ const ComplexType *rhsComplexInt = rhs->getAsComplexIntegerType();
+
+ if (lhsComplexInt && rhsComplexInt) {
+ if (getIntegerTypeOrder(lhsComplexInt->getElementType(),
+ rhsComplexInt->getElementType()) >= 0)
+ return lhs; // convert the rhs
+ return rhs;
+ } else if (lhsComplexInt && rhs->isIntegerType()) {
+ // convert the rhs to the lhs complex type.
+ return lhs;
+ } else if (rhsComplexInt && lhs->isIntegerType()) {
+ // convert the lhs to the rhs complex type.
+ return rhs;
+ }
+ }
+ // Finally, we have two differing integer types.
+ // The rules for this case are in C99 6.3.1.8
+ int compare = getIntegerTypeOrder(lhs, rhs);
+ bool lhsSigned = lhs->isSignedIntegerType(),
+ rhsSigned = rhs->isSignedIntegerType();
+ QualType destType;
+ if (lhsSigned == rhsSigned) {
+ // Same signedness; use the higher-ranked type
+ destType = compare >= 0 ? lhs : rhs;
+ } else if (compare != (lhsSigned ? 1 : -1)) {
+ // The unsigned type has greater than or equal rank to the
+ // signed type, so use the unsigned type
+ destType = lhsSigned ? rhs : lhs;
+ } else if (getIntWidth(lhs) != getIntWidth(rhs)) {
+ // The two types are different widths; if we are here, that
+ // means the signed type is larger than the unsigned type, so
+ // use the signed type.
+ destType = lhsSigned ? lhs : rhs;
+ } else {
+ // The signed type is higher-ranked than the unsigned type,
+ // but isn't actually any bigger (like unsigned int and long
+ // on most 32-bit systems). Use the unsigned type corresponding
+ // to the signed type.
+ destType = getCorrespondingUnsignedType(lhsSigned ? lhs : rhs);
+ }
+ return destType;
+}
diff --git a/lib/AST/CMakeLists.txt b/lib/AST/CMakeLists.txt
index ac4cbb2d296e..20e1150b22c2 100644
--- a/lib/AST/CMakeLists.txt
+++ b/lib/AST/CMakeLists.txt
@@ -4,28 +4,31 @@ add_clang_library(clangAST
APValue.cpp
ASTConsumer.cpp
ASTContext.cpp
- CFG.cpp
- DeclarationName.cpp
- DeclBase.cpp
+ CXXInheritance.cpp
Decl.cpp
+ DeclBase.cpp
DeclCXX.cpp
DeclGroup.cpp
DeclObjC.cpp
DeclPrinter.cpp
DeclTemplate.cpp
- ExprConstant.cpp
+ DeclarationName.cpp
Expr.cpp
ExprCXX.cpp
+ ExprConstant.cpp
InheritViz.cpp
NestedNameSpecifier.cpp
ParentMap.cpp
+ RecordLayoutBuilder.cpp
Stmt.cpp
StmtDumper.cpp
StmtIterator.cpp
StmtPrinter.cpp
+ StmtProfile.cpp
StmtViz.cpp
TemplateName.cpp
Type.cpp
+ TypeLoc.cpp
)
add_dependencies(clangAST ClangDiagnosticAST)
diff --git a/lib/AST/CXXInheritance.cpp b/lib/AST/CXXInheritance.cpp
new file mode 100644
index 000000000000..4a46eab2e603
--- /dev/null
+++ b/lib/AST/CXXInheritance.cpp
@@ -0,0 +1,244 @@
+//===------ CXXInheritance.cpp - C++ Inheritance ----------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file provides routines that help analyzing C++ inheritance hierarchies.
+//
+//===----------------------------------------------------------------------===//
+#include "clang/AST/CXXInheritance.h"
+#include "clang/AST/DeclCXX.h"
+#include <algorithm>
+#include <set>
+
+using namespace clang;
+
+/// \brief Computes the set of declarations referenced by these base
+/// paths.
+void CXXBasePaths::ComputeDeclsFound() {
+ assert(NumDeclsFound == 0 && !DeclsFound &&
+ "Already computed the set of declarations");
+
+ std::set<NamedDecl *> Decls;
+ for (CXXBasePaths::paths_iterator Path = begin(), PathEnd = end();
+ Path != PathEnd; ++Path)
+ Decls.insert(*Path->Decls.first);
+
+ NumDeclsFound = Decls.size();
+ DeclsFound = new NamedDecl * [NumDeclsFound];
+ std::copy(Decls.begin(), Decls.end(), DeclsFound);
+}
+
+CXXBasePaths::decl_iterator CXXBasePaths::found_decls_begin() {
+ if (NumDeclsFound == 0)
+ ComputeDeclsFound();
+ return DeclsFound;
+}
+
+CXXBasePaths::decl_iterator CXXBasePaths::found_decls_end() {
+ if (NumDeclsFound == 0)
+ ComputeDeclsFound();
+ return DeclsFound + NumDeclsFound;
+}
+
+/// isAmbiguous - Determines whether the set of paths provided is
+/// ambiguous, i.e., there are two or more paths that refer to
+/// different base class subobjects of the same type. BaseType must be
+/// an unqualified, canonical class type.
+bool CXXBasePaths::isAmbiguous(QualType BaseType) {
+ assert(BaseType->isCanonical() && "Base type must be the canonical type");
+ assert(BaseType.hasQualifiers() == 0 && "Base type must be unqualified");
+ std::pair<bool, unsigned>& Subobjects = ClassSubobjects[BaseType];
+ return Subobjects.second + (Subobjects.first? 1 : 0) > 1;
+}
+
+/// clear - Clear out all prior path information.
+void CXXBasePaths::clear() {
+ Paths.clear();
+ ClassSubobjects.clear();
+ ScratchPath.clear();
+ DetectedVirtual = 0;
+}
+
+/// @brief Swaps the contents of this CXXBasePaths structure with the
+/// contents of Other.
+void CXXBasePaths::swap(CXXBasePaths &Other) {
+ std::swap(Origin, Other.Origin);
+ Paths.swap(Other.Paths);
+ ClassSubobjects.swap(Other.ClassSubobjects);
+ std::swap(FindAmbiguities, Other.FindAmbiguities);
+ std::swap(RecordPaths, Other.RecordPaths);
+ std::swap(DetectVirtual, Other.DetectVirtual);
+ std::swap(DetectedVirtual, Other.DetectedVirtual);
+}
+
+bool CXXRecordDecl::isDerivedFrom(CXXRecordDecl *Base) {
+ CXXBasePaths Paths(/*FindAmbiguities=*/false, /*RecordPaths=*/false,
+ /*DetectVirtual=*/false);
+ return isDerivedFrom(Base, Paths);
+}
+
+bool CXXRecordDecl::isDerivedFrom(CXXRecordDecl *Base, CXXBasePaths &Paths) {
+ if (getCanonicalDecl() == Base->getCanonicalDecl())
+ return false;
+
+ Paths.setOrigin(this);
+ return lookupInBases(&FindBaseClass, Base->getCanonicalDecl(), Paths);
+}
+
+bool CXXRecordDecl::lookupInBases(BaseMatchesCallback *BaseMatches,
+ void *UserData,
+ CXXBasePaths &Paths) {
+ bool FoundPath = false;
+
+ ASTContext &Context = getASTContext();
+ for (base_class_iterator BaseSpec = bases_begin(), BaseSpecEnd = bases_end();
+ BaseSpec != BaseSpecEnd; ++BaseSpec) {
+ // Find the record of the base class subobjects for this type.
+ QualType BaseType = Context.getCanonicalType(BaseSpec->getType());
+ BaseType = BaseType.getUnqualifiedType();
+
+ // C++ [temp.dep]p3:
+ // In the definition of a class template or a member of a class template,
+ // if a base class of the class template depends on a template-parameter,
+ // the base class scope is not examined during unqualified name lookup
+ // either at the point of definition of the class template or member or
+ // during an instantiation of the class tem- plate or member.
+ if (BaseType->isDependentType())
+ continue;
+
+ // Determine whether we need to visit this base class at all,
+ // updating the count of subobjects appropriately.
+ std::pair<bool, unsigned>& Subobjects = Paths.ClassSubobjects[BaseType];
+ bool VisitBase = true;
+ bool SetVirtual = false;
+ if (BaseSpec->isVirtual()) {
+ VisitBase = !Subobjects.first;
+ Subobjects.first = true;
+ if (Paths.isDetectingVirtual() && Paths.DetectedVirtual == 0) {
+ // If this is the first virtual we find, remember it. If it turns out
+ // there is no base path here, we'll reset it later.
+ Paths.DetectedVirtual = BaseType->getAs<RecordType>();
+ SetVirtual = true;
+ }
+ } else
+ ++Subobjects.second;
+
+ if (Paths.isRecordingPaths()) {
+ // Add this base specifier to the current path.
+ CXXBasePathElement Element;
+ Element.Base = &*BaseSpec;
+ Element.Class = this;
+ if (BaseSpec->isVirtual())
+ Element.SubobjectNumber = 0;
+ else
+ Element.SubobjectNumber = Subobjects.second;
+ Paths.ScratchPath.push_back(Element);
+ }
+
+ if (BaseMatches(BaseSpec, Paths.ScratchPath, UserData)) {
+ // We've found a path that terminates that this base.
+ FoundPath = true;
+ if (Paths.isRecordingPaths()) {
+ // We have a path. Make a copy of it before moving on.
+ Paths.Paths.push_back(Paths.ScratchPath);
+ } else if (!Paths.isFindingAmbiguities()) {
+ // We found a path and we don't care about ambiguities;
+ // return immediately.
+ return FoundPath;
+ }
+ } else if (VisitBase) {
+ CXXRecordDecl *BaseRecord
+ = cast<CXXRecordDecl>(BaseSpec->getType()->getAs<RecordType>()
+ ->getDecl());
+ if (BaseRecord->lookupInBases(BaseMatches, UserData, Paths)) {
+ // C++ [class.member.lookup]p2:
+ // A member name f in one sub-object B hides a member name f in
+ // a sub-object A if A is a base class sub-object of B. Any
+ // declarations that are so hidden are eliminated from
+ // consideration.
+
+ // There is a path to a base class that meets the criteria. If we're
+ // not collecting paths or finding ambiguities, we're done.
+ FoundPath = true;
+ if (!Paths.isFindingAmbiguities())
+ return FoundPath;
+ }
+ }
+
+ // Pop this base specifier off the current path (if we're
+ // collecting paths).
+ if (Paths.isRecordingPaths())
+ Paths.ScratchPath.pop_back();
+ // If we set a virtual earlier, and this isn't a path, forget it again.
+ if (SetVirtual && !FoundPath) {
+ Paths.DetectedVirtual = 0;
+ }
+ }
+
+ return FoundPath;
+}
+
+bool CXXRecordDecl::FindBaseClass(CXXBaseSpecifier *Specifier,
+ CXXBasePath &Path,
+ void *BaseRecord) {
+ assert(((Decl *)BaseRecord)->getCanonicalDecl() == BaseRecord &&
+ "User data for FindBaseClass is not canonical!");
+ return Specifier->getType()->getAs<RecordType>()->getDecl()
+ ->getCanonicalDecl() == BaseRecord;
+}
+
+bool CXXRecordDecl::FindTagMember(CXXBaseSpecifier *Specifier,
+ CXXBasePath &Path,
+ void *Name) {
+ RecordDecl *BaseRecord = Specifier->getType()->getAs<RecordType>()->getDecl();
+
+ DeclarationName N = DeclarationName::getFromOpaquePtr(Name);
+ for (Path.Decls = BaseRecord->lookup(N);
+ Path.Decls.first != Path.Decls.second;
+ ++Path.Decls.first) {
+ if ((*Path.Decls.first)->isInIdentifierNamespace(IDNS_Tag))
+ return true;
+ }
+
+ return false;
+}
+
+bool CXXRecordDecl::FindOrdinaryMember(CXXBaseSpecifier *Specifier,
+ CXXBasePath &Path,
+ void *Name) {
+ RecordDecl *BaseRecord = Specifier->getType()->getAs<RecordType>()->getDecl();
+
+ const unsigned IDNS = IDNS_Ordinary | IDNS_Tag | IDNS_Member;
+ DeclarationName N = DeclarationName::getFromOpaquePtr(Name);
+ for (Path.Decls = BaseRecord->lookup(N);
+ Path.Decls.first != Path.Decls.second;
+ ++Path.Decls.first) {
+ if ((*Path.Decls.first)->isInIdentifierNamespace(IDNS))
+ return true;
+ }
+
+ return false;
+}
+
+bool CXXRecordDecl::FindNestedNameSpecifierMember(CXXBaseSpecifier *Specifier,
+ CXXBasePath &Path,
+ void *Name) {
+ RecordDecl *BaseRecord = Specifier->getType()->getAs<RecordType>()->getDecl();
+
+ DeclarationName N = DeclarationName::getFromOpaquePtr(Name);
+ for (Path.Decls = BaseRecord->lookup(N);
+ Path.Decls.first != Path.Decls.second;
+ ++Path.Decls.first) {
+ // FIXME: Refactor the "is it a nested-name-specifier?" check
+ if (isa<TypedefDecl>(*Path.Decls.first) ||
+ (*Path.Decls.first)->isInIdentifierNamespace(IDNS_Tag))
+ return true;
+ }
+
+ return false;
+}
diff --git a/lib/AST/Decl.cpp b/lib/AST/Decl.cpp
index 3d02150b65bf..429729ea3b0e 100644
--- a/lib/AST/Decl.cpp
+++ b/lib/AST/Decl.cpp
@@ -16,11 +16,14 @@
#include "clang/AST/DeclObjC.h"
#include "clang/AST/DeclTemplate.h"
#include "clang/AST/ASTContext.h"
+#include "clang/AST/TypeLoc.h"
#include "clang/AST/Stmt.h"
#include "clang/AST/Expr.h"
#include "clang/AST/PrettyPrinter.h"
#include "clang/Basic/Builtins.h"
#include "clang/Basic/IdentifierTable.h"
+#include "clang/Parse/DeclSpec.h"
+#include "llvm/Support/ErrorHandling.h"
#include <vector>
using namespace clang;
@@ -34,11 +37,15 @@ void Attr::Destroy(ASTContext &C) {
C.Deallocate((void*)this);
}
+/// \brief Return the TypeLoc wrapper for the type source info.
+TypeLoc DeclaratorInfo::getTypeLoc() const {
+ return TypeLoc(Ty, (void*)(this + 1));
+}
//===----------------------------------------------------------------------===//
// Decl Allocation/Deallocation Method Implementations
//===----------------------------------------------------------------------===//
-
+
TranslationUnitDecl *TranslationUnitDecl::Create(ASTContext &C) {
return new (C) TranslationUnitDecl(C);
@@ -52,7 +59,7 @@ NamespaceDecl *NamespaceDecl::Create(ASTContext &C, DeclContext *DC,
void NamespaceDecl::Destroy(ASTContext& C) {
// NamespaceDecl uses "NextDeclarator" to chain namespace declarations
// together. They are all top-level Decls.
-
+
this->~NamespaceDecl();
C.Deallocate((void *)this);
}
@@ -68,9 +75,9 @@ const char *VarDecl::getStorageClassSpecifierString(StorageClass SC) {
case VarDecl::None: break;
case VarDecl::Auto: return "auto"; break;
case VarDecl::Extern: return "extern"; break;
- case VarDecl::PrivateExtern: return "__private_extern__"; break;
+ case VarDecl::PrivateExtern: return "__private_extern__"; break;
case VarDecl::Register: return "register"; break;
- case VarDecl::Static: return "static"; break;
+ case VarDecl::Static: return "static"; break;
}
assert(0 && "Invalid storage class");
@@ -79,34 +86,45 @@ const char *VarDecl::getStorageClassSpecifierString(StorageClass SC) {
ParmVarDecl *ParmVarDecl::Create(ASTContext &C, DeclContext *DC,
SourceLocation L, IdentifierInfo *Id,
- QualType T, StorageClass S,
- Expr *DefArg) {
- return new (C) ParmVarDecl(ParmVar, DC, L, Id, T, S, DefArg);
+ QualType T, DeclaratorInfo *DInfo,
+ StorageClass S, Expr *DefArg) {
+ return new (C) ParmVarDecl(ParmVar, DC, L, Id, T, DInfo, S, DefArg);
}
QualType ParmVarDecl::getOriginalType() const {
- if (const OriginalParmVarDecl *PVD =
+ if (const OriginalParmVarDecl *PVD =
dyn_cast<OriginalParmVarDecl>(this))
return PVD->OriginalType;
return getType();
}
-void VarDecl::setInit(ASTContext &C, Expr *I) {
- if (EvaluatedStmt *Eval = Init.dyn_cast<EvaluatedStmt *>()) {
- Eval->~EvaluatedStmt();
- C.Deallocate(Eval);
- }
+SourceRange ParmVarDecl::getDefaultArgRange() const {
+ if (const Expr *E = getInit())
+ return E->getSourceRange();
+
+ if (const Expr *E = getUninstantiatedDefaultArg())
+ return E->getSourceRange();
+
+ return SourceRange();
+}
- Init = I;
+void VarDecl::setInit(ASTContext &C, Expr *I) {
+ if (EvaluatedStmt *Eval = Init.dyn_cast<EvaluatedStmt *>()) {
+ Eval->~EvaluatedStmt();
+ C.Deallocate(Eval);
}
-bool VarDecl::isExternC(ASTContext &Context) const {
+ Init = I;
+}
+
+bool VarDecl::isExternC() const {
+ ASTContext &Context = getASTContext();
if (!Context.getLangOptions().CPlusPlus)
- return (getDeclContext()->isTranslationUnit() &&
+ return (getDeclContext()->isTranslationUnit() &&
getStorageClass() != Static) ||
(getDeclContext()->isFunctionOrMethod() && hasExternalStorage());
- for (const DeclContext *DC = getDeclContext(); !DC->isTranslationUnit();
+ for (const DeclContext *DC = getDeclContext(); !DC->isTranslationUnit();
DC = DC->getParent()) {
if (const LinkageSpecDecl *Linkage = dyn_cast<LinkageSpecDecl>(DC)) {
if (Linkage->getLanguage() == LinkageSpecDecl::lang_c)
@@ -125,20 +143,19 @@ bool VarDecl::isExternC(ASTContext &Context) const {
OriginalParmVarDecl *OriginalParmVarDecl::Create(
ASTContext &C, DeclContext *DC,
SourceLocation L, IdentifierInfo *Id,
- QualType T, QualType OT, StorageClass S,
- Expr *DefArg) {
- return new (C) OriginalParmVarDecl(DC, L, Id, T, OT, S, DefArg);
+ QualType T, DeclaratorInfo *DInfo,
+ QualType OT, StorageClass S, Expr *DefArg) {
+ return new (C) OriginalParmVarDecl(DC, L, Id, T, DInfo, OT, S, DefArg);
}
FunctionDecl *FunctionDecl::Create(ASTContext &C, DeclContext *DC,
- SourceLocation L,
- DeclarationName N, QualType T,
- StorageClass S, bool isInline,
- bool hasWrittenPrototype,
- SourceLocation TypeSpecStartLoc) {
- FunctionDecl *New
- = new (C) FunctionDecl(Function, DC, L, N, T, S, isInline,
- TypeSpecStartLoc);
+ SourceLocation L,
+ DeclarationName N, QualType T,
+ DeclaratorInfo *DInfo,
+ StorageClass S, bool isInline,
+ bool hasWrittenPrototype) {
+ FunctionDecl *New
+ = new (C) FunctionDecl(Function, DC, L, N, T, DInfo, S, isInline);
New->HasWrittenPrototype = hasWrittenPrototype;
return New;
}
@@ -148,16 +165,16 @@ BlockDecl *BlockDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L) {
}
FieldDecl *FieldDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L,
- IdentifierInfo *Id, QualType T, Expr *BW,
- bool Mutable) {
- return new (C) FieldDecl(Decl::Field, DC, L, Id, T, BW, Mutable);
+ IdentifierInfo *Id, QualType T,
+ DeclaratorInfo *DInfo, Expr *BW, bool Mutable) {
+ return new (C) FieldDecl(Decl::Field, DC, L, Id, T, DInfo, BW, Mutable);
}
bool FieldDecl::isAnonymousStructOrUnion() const {
if (!isImplicit() || getDeclName())
return false;
-
- if (const RecordType *Record = getType()->getAsRecordType())
+
+ if (const RecordType *Record = getType()->getAs<RecordType>())
return Record->getDecl()->isAnonymousStructOrUnion();
return false;
@@ -182,9 +199,9 @@ TypedefDecl *TypedefDecl::Create(ASTContext &C, DeclContext *DC,
}
EnumDecl *EnumDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L,
- IdentifierInfo *Id,
+ IdentifierInfo *Id, SourceLocation TKL,
EnumDecl *PrevDecl) {
- EnumDecl *Enum = new (C) EnumDecl(DC, L, Id);
+ EnumDecl *Enum = new (C) EnumDecl(DC, L, Id, PrevDecl, TKL);
C.getTypeDeclType(Enum, PrevDecl);
return Enum;
}
@@ -210,6 +227,10 @@ FileScopeAsmDecl *FileScopeAsmDecl::Create(ASTContext &C, DeclContext *DC,
//===----------------------------------------------------------------------===//
std::string NamedDecl::getQualifiedNameAsString() const {
+ return getQualifiedNameAsString(getASTContext().getLangOptions());
+}
+
+std::string NamedDecl::getQualifiedNameAsString(const PrintingPolicy &P) const {
std::vector<std::string> Names;
std::string QualName;
const DeclContext *Ctx = getDeclContext();
@@ -223,15 +244,14 @@ std::string NamedDecl::getQualifiedNameAsString() const {
// scope class/struct/union. How do we handle this case?
break;
- if (const ClassTemplateSpecializationDecl *Spec
+ if (const ClassTemplateSpecializationDecl *Spec
= dyn_cast<ClassTemplateSpecializationDecl>(Ctx)) {
const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs();
- PrintingPolicy Policy(getASTContext().getLangOptions());
std::string TemplateArgsStr
= TemplateSpecializationType::PrintTemplateArgumentList(
TemplateArgs.getFlatArgumentList(),
TemplateArgs.flat_size(),
- Policy);
+ P);
Names.push_back(Spec->getIdentifier()->getName() + TemplateArgsStr);
} else if (const NamedDecl *ND = dyn_cast<NamedDecl>(Ctx))
Names.push_back(ND->getNameAsString());
@@ -253,7 +273,6 @@ std::string NamedDecl::getQualifiedNameAsString() const {
return QualName;
}
-
bool NamedDecl::declarationReplaces(NamedDecl *OldD) const {
assert(getDeclName() == OldD->getDeclName() && "Declaration name mismatch");
@@ -263,7 +282,7 @@ bool NamedDecl::declarationReplaces(NamedDecl *OldD) const {
return cast<UsingDirectiveDecl>(this)->getNominatedNamespace() ==
cast<UsingDirectiveDecl>(OldD)->getNominatedNamespace();
}
-
+
if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(this))
// For function declarations, we keep track of redeclarations.
return FD->getPreviousDeclaration() == OldD;
@@ -275,11 +294,14 @@ bool NamedDecl::declarationReplaces(NamedDecl *OldD) const {
= dyn_cast<FunctionTemplateDecl>(OldD))
return FunctionTemplate->getTemplatedDecl()
->declarationReplaces(OldFunctionTemplate->getTemplatedDecl());
-
+
// For method declarations, we keep track of redeclarations.
if (isa<ObjCMethodDecl>(this))
return false;
-
+
+ if (isa<ObjCInterfaceDecl>(this) && isa<ObjCCompatibleAliasDecl>(OldD))
+ return true;
+
// For non-function declarations, if the declarations are of the
// same kind then this must be a redeclaration, or semantic analysis
// would not have given us the new declaration.
@@ -310,13 +332,23 @@ NamedDecl *NamedDecl::getUnderlyingDecl() {
}
//===----------------------------------------------------------------------===//
+// DeclaratorDecl Implementation
+//===----------------------------------------------------------------------===//
+
+SourceLocation DeclaratorDecl::getTypeSpecStartLoc() const {
+ if (DeclInfo)
+ return DeclInfo->getTypeLoc().getTypeSpecRange().getBegin();
+ return SourceLocation();
+}
+
+//===----------------------------------------------------------------------===//
// VarDecl Implementation
//===----------------------------------------------------------------------===//
VarDecl *VarDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L,
- IdentifierInfo *Id, QualType T, StorageClass S,
- SourceLocation TypeSpecStartLoc) {
- return new (C) VarDecl(Var, DC, L, Id, T, S, TypeSpecStartLoc);
+ IdentifierInfo *Id, QualType T, DeclaratorInfo *DInfo,
+ StorageClass S) {
+ return new (C) VarDecl(Var, DC, L, Id, T, DInfo, S);
}
void VarDecl::Destroy(ASTContext& C) {
@@ -341,6 +373,31 @@ SourceRange VarDecl::getSourceRange() const {
return SourceRange(getLocation(), getLocation());
}
+VarDecl *VarDecl::getInstantiatedFromStaticDataMember() {
+ if (MemberSpecializationInfo *MSI = getMemberSpecializationInfo())
+ return cast<VarDecl>(MSI->getInstantiatedFrom());
+
+ return 0;
+}
+
+TemplateSpecializationKind VarDecl::getTemplateSpecializationKind() {
+ if (MemberSpecializationInfo *MSI
+ = getASTContext().getInstantiatedFromStaticDataMember(this))
+ return MSI->getTemplateSpecializationKind();
+
+ return TSK_Undeclared;
+}
+
+MemberSpecializationInfo *VarDecl::getMemberSpecializationInfo() {
+ return getASTContext().getInstantiatedFromStaticDataMember(this);
+}
+
+void VarDecl::setTemplateSpecializationKind(TemplateSpecializationKind TSK) {
+ MemberSpecializationInfo *MSI = getMemberSpecializationInfo();
+ assert(MSI && "Not an instantiated static data member?");
+ MSI->setTemplateSpecializationKind(TSK);
+}
+
bool VarDecl::isTentativeDefinition(ASTContext &Context) const {
if (!isFileVarDecl() || Context.getLangOptions().CPlusPlus)
return false;
@@ -351,11 +408,19 @@ bool VarDecl::isTentativeDefinition(ASTContext &Context) const {
}
const Expr *VarDecl::getDefinition(const VarDecl *&Def) const {
- Def = this;
- while (Def && !Def->getInit())
- Def = Def->getPreviousDeclaration();
+ redecl_iterator I = redecls_begin(), E = redecls_end();
+ while (I != E && !I->getInit())
+ ++I;
- return Def? Def->getInit() : 0;
+ if (I != E) {
+ Def = *I;
+ return I->getInit();
+ }
+ return 0;
+}
+
+VarDecl *VarDecl::getCanonicalDecl() {
+ return getFirstDeclaration();
}
//===----------------------------------------------------------------------===//
@@ -369,27 +434,39 @@ void FunctionDecl::Destroy(ASTContext& C) {
for (param_iterator I=param_begin(), E=param_end(); I!=E; ++I)
(*I)->Destroy(C);
+ FunctionTemplateSpecializationInfo *FTSInfo
+ = TemplateOrSpecialization.dyn_cast<FunctionTemplateSpecializationInfo*>();
+ if (FTSInfo)
+ C.Deallocate(FTSInfo);
+
+ MemberSpecializationInfo *MSInfo
+ = TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>();
+ if (MSInfo)
+ C.Deallocate(MSInfo);
+
C.Deallocate(ParamInfo);
Decl::Destroy(C);
}
-
-Stmt *FunctionDecl::getBody(const FunctionDecl *&Definition) const {
- for (const FunctionDecl *FD = this; FD != 0; FD = FD->PreviousDeclaration) {
- if (FD->Body) {
- Definition = FD;
- return FD->Body.get(getASTContext().getExternalSource());
- }
- }
-
- return 0;
+void FunctionDecl::getNameForDiagnostic(std::string &S,
+ const PrintingPolicy &Policy,
+ bool Qualified) const {
+ NamedDecl::getNameForDiagnostic(S, Policy, Qualified);
+ const TemplateArgumentList *TemplateArgs = getTemplateSpecializationArgs();
+ if (TemplateArgs)
+ S += TemplateSpecializationType::PrintTemplateArgumentList(
+ TemplateArgs->getFlatArgumentList(),
+ TemplateArgs->flat_size(),
+ Policy);
+
}
-Stmt *FunctionDecl::getBodyIfAvailable() const {
- for (const FunctionDecl *FD = this; FD != 0; FD = FD->PreviousDeclaration) {
- if (FD->Body && !FD->Body.isOffset()) {
- return FD->Body.get(0);
+Stmt *FunctionDecl::getBody(const FunctionDecl *&Definition) const {
+ for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) {
+ if (I->Body) {
+ Definition = *I;
+ return I->Body.get(getASTContext().getExternalSource());
}
}
@@ -403,21 +480,24 @@ void FunctionDecl::setBody(Stmt *B) {
}
bool FunctionDecl::isMain() const {
- return getDeclContext()->getLookupContext()->isTranslationUnit() &&
+ ASTContext &Context = getASTContext();
+ return !Context.getLangOptions().Freestanding &&
+ getDeclContext()->getLookupContext()->isTranslationUnit() &&
getIdentifier() && getIdentifier()->isStr("main");
}
-bool FunctionDecl::isExternC(ASTContext &Context) const {
+bool FunctionDecl::isExternC() const {
+ ASTContext &Context = getASTContext();
// In C, any non-static, non-overloadable function has external
// linkage.
if (!Context.getLangOptions().CPlusPlus)
return getStorageClass() != Static && !getAttr<OverloadableAttr>();
- for (const DeclContext *DC = getDeclContext(); !DC->isTranslationUnit();
+ for (const DeclContext *DC = getDeclContext(); !DC->isTranslationUnit();
DC = DC->getParent()) {
if (const LinkageSpecDecl *Linkage = dyn_cast<LinkageSpecDecl>(DC)) {
if (Linkage->getLanguage() == LinkageSpecDecl::lang_c)
- return getStorageClass() != Static &&
+ return getStorageClass() != Static &&
!getAttr<OverloadableAttr>();
break;
@@ -434,7 +514,7 @@ bool FunctionDecl::isGlobal() const {
if (getStorageClass() == Static)
return false;
- for (const DeclContext *DC = getDeclContext();
+ for (const DeclContext *DC = getDeclContext();
DC->isNamespace();
DC = DC->getParent()) {
if (const NamespaceDecl *Namespace = cast<NamespaceDecl>(DC)) {
@@ -454,9 +534,10 @@ bool FunctionDecl::isGlobal() const {
/// declared at translation scope or within an extern "C" block and
/// its name matches with the name of a builtin. The returned value
/// will be 0 for functions that do not correspond to a builtin, a
-/// value of type \c Builtin::ID if in the target-independent range
+/// value of type \c Builtin::ID if in the target-independent range
/// \c [1,Builtin::First), or a target-specific builtin value.
-unsigned FunctionDecl::getBuiltinID(ASTContext &Context) const {
+unsigned FunctionDecl::getBuiltinID() const {
+ ASTContext &Context = getASTContext();
if (!getIdentifier() || !getIdentifier()->getBuiltinID())
return 0;
@@ -481,7 +562,7 @@ unsigned FunctionDecl::getBuiltinID(ASTContext &Context) const {
// If the function is in an extern "C" linkage specification and is
// not marked "overloadable", it's the real function.
if (isa<LinkageSpecDecl>(getDeclContext()) &&
- cast<LinkageSpecDecl>(getDeclContext())->getLanguage()
+ cast<LinkageSpecDecl>(getDeclContext())->getLanguage()
== LinkageSpecDecl::lang_c &&
!getAttr<OverloadableAttr>())
return BuiltinID;
@@ -495,18 +576,18 @@ unsigned FunctionDecl::getBuiltinID(ASTContext &Context) const {
/// based on its FunctionType. This is the length of the PararmInfo array
/// after it has been created.
unsigned FunctionDecl::getNumParams() const {
- const FunctionType *FT = getType()->getAsFunctionType();
+ const FunctionType *FT = getType()->getAs<FunctionType>();
if (isa<FunctionNoProtoType>(FT))
return 0;
return cast<FunctionProtoType>(FT)->getNumArgs();
-
+
}
void FunctionDecl::setParams(ASTContext& C, ParmVarDecl **NewParamInfo,
unsigned NumParams) {
assert(ParamInfo == 0 && "Already has param info!");
assert(NumParams == getNumParams() && "Parameter count mismatch!");
-
+
// Zero params -> null pointer.
if (NumParams) {
void *Mem = C.Allocate(sizeof(ParmVarDecl*)*NumParams);
@@ -533,42 +614,87 @@ unsigned FunctionDecl::getMinRequiredArguments() const {
return NumRequiredArgs;
}
-bool FunctionDecl::hasActiveGNUInlineAttribute(ASTContext &Context) const {
- if (!isInline() || !hasAttr<GNUInlineAttr>())
+/// \brief For an inline function definition in C, determine whether the
+/// definition will be externally visible.
+///
+/// Inline function definitions are always available for inlining optimizations.
+/// However, depending on the language dialect, declaration specifiers, and
+/// attributes, the definition of an inline function may or may not be
+/// "externally" visible to other translation units in the program.
+///
+/// In C99, inline definitions are not externally visible by default. However,
+/// if even one of the globa-scope declarations is marked "extern inline", the
+/// inline definition becomes externally visible (C99 6.7.4p6).
+///
+/// In GNU89 mode, or if the gnu_inline attribute is attached to the function
+/// definition, we use the GNU semantics for inline, which are nearly the
+/// opposite of C99 semantics. In particular, "inline" by itself will create
+/// an externally visible symbol, but "extern inline" will not create an
+/// externally visible symbol.
+bool FunctionDecl::isInlineDefinitionExternallyVisible() const {
+ assert(isThisDeclarationADefinition() && "Must have the function definition");
+ assert(isInline() && "Function must be inline");
+
+ if (!getASTContext().getLangOptions().C99 || hasAttr<GNUInlineAttr>()) {
+ // GNU inline semantics. Based on a number of examples, we came up with the
+ // following heuristic: if the "inline" keyword is present on a
+ // declaration of the function but "extern" is not present on that
+ // declaration, then the symbol is externally visible. Otherwise, the GNU
+ // "extern inline" semantics applies and the symbol is not externally
+ // visible.
+ for (redecl_iterator Redecl = redecls_begin(), RedeclEnd = redecls_end();
+ Redecl != RedeclEnd;
+ ++Redecl) {
+ if (Redecl->isInline() && Redecl->getStorageClass() != Extern)
+ return true;
+ }
+
+ // GNU "extern inline" semantics; no externally visible symbol.
return false;
-
- for (const FunctionDecl *FD = getPreviousDeclaration(); FD;
- FD = FD->getPreviousDeclaration()) {
- if (FD->isInline() && !FD->hasAttr<GNUInlineAttr>())
- return false;
}
-
- return true;
-}
-
-bool FunctionDecl::isExternGNUInline(ASTContext &Context) const {
- if (!hasActiveGNUInlineAttribute(Context))
- return false;
-
- for (const FunctionDecl *FD = this; FD; FD = FD->getPreviousDeclaration())
- if (FD->getStorageClass() == Extern && FD->hasAttr<GNUInlineAttr>())
- return true;
-
+
+ // C99 6.7.4p6:
+ // [...] If all of the file scope declarations for a function in a
+ // translation unit include the inline function specifier without extern,
+ // then the definition in that translation unit is an inline definition.
+ for (redecl_iterator Redecl = redecls_begin(), RedeclEnd = redecls_end();
+ Redecl != RedeclEnd;
+ ++Redecl) {
+ // Only consider file-scope declarations in this test.
+ if (!Redecl->getLexicalDeclContext()->isTranslationUnit())
+ continue;
+
+ if (!Redecl->isInline() || Redecl->getStorageClass() == Extern)
+ return true; // Not an inline definition
+ }
+
+ // C99 6.7.4p6:
+ // An inline definition does not provide an external definition for the
+ // function, and does not forbid an external definition in another
+ // translation unit.
return false;
}
-void
+void
FunctionDecl::setPreviousDeclaration(FunctionDecl *PrevDecl) {
- PreviousDeclaration = PrevDecl;
-
+ redeclarable_base::setPreviousDeclaration(PrevDecl);
+
if (FunctionTemplateDecl *FunTmpl = getDescribedFunctionTemplate()) {
- FunctionTemplateDecl *PrevFunTmpl
+ FunctionTemplateDecl *PrevFunTmpl
= PrevDecl? PrevDecl->getDescribedFunctionTemplate() : 0;
assert((!PrevDecl || PrevFunTmpl) && "Function/function template mismatch");
FunTmpl->setPreviousDeclaration(PrevFunTmpl);
}
}
+const FunctionDecl *FunctionDecl::getCanonicalDecl() const {
+ return getFirstDeclaration();
+}
+
+FunctionDecl *FunctionDecl::getCanonicalDecl() {
+ return getFirstDeclaration();
+}
+
/// getOverloadedOperator - Which C++ overloaded operator this
/// function represents, if any.
OverloadedOperatorKind FunctionDecl::getOverloadedOperator() const {
@@ -578,8 +704,29 @@ OverloadedOperatorKind FunctionDecl::getOverloadedOperator() const {
return OO_None;
}
+FunctionDecl *FunctionDecl::getInstantiatedFromMemberFunction() const {
+ if (MemberSpecializationInfo *Info = getMemberSpecializationInfo())
+ return cast<FunctionDecl>(Info->getInstantiatedFrom());
+
+ return 0;
+}
+
+MemberSpecializationInfo *FunctionDecl::getMemberSpecializationInfo() const {
+ return TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>();
+}
+
+void
+FunctionDecl::setInstantiationOfMemberFunction(FunctionDecl *FD,
+ TemplateSpecializationKind TSK) {
+ assert(TemplateOrSpecialization.isNull() &&
+ "Member function is already a specialization");
+ MemberSpecializationInfo *Info
+ = new (getASTContext()) MemberSpecializationInfo(FD, TSK);
+ TemplateOrSpecialization = Info;
+}
+
FunctionTemplateDecl *FunctionDecl::getPrimaryTemplate() const {
- if (FunctionTemplateSpecializationInfo *Info
+ if (FunctionTemplateSpecializationInfo *Info
= TemplateOrSpecialization
.dyn_cast<FunctionTemplateSpecializationInfo*>()) {
return Info->Template.getPointer();
@@ -589,79 +736,151 @@ FunctionTemplateDecl *FunctionDecl::getPrimaryTemplate() const {
const TemplateArgumentList *
FunctionDecl::getTemplateSpecializationArgs() const {
- if (FunctionTemplateSpecializationInfo *Info
- = TemplateOrSpecialization
- .dyn_cast<FunctionTemplateSpecializationInfo*>()) {
+ if (FunctionTemplateSpecializationInfo *Info
+ = TemplateOrSpecialization
+ .dyn_cast<FunctionTemplateSpecializationInfo*>()) {
return Info->TemplateArguments;
}
return 0;
}
-void
+void
FunctionDecl::setFunctionTemplateSpecialization(ASTContext &Context,
FunctionTemplateDecl *Template,
const TemplateArgumentList *TemplateArgs,
- void *InsertPos) {
- FunctionTemplateSpecializationInfo *Info
+ void *InsertPos,
+ TemplateSpecializationKind TSK) {
+ assert(TSK != TSK_Undeclared &&
+ "Must specify the type of function template specialization");
+ FunctionTemplateSpecializationInfo *Info
= TemplateOrSpecialization.dyn_cast<FunctionTemplateSpecializationInfo*>();
if (!Info)
Info = new (Context) FunctionTemplateSpecializationInfo;
-
+
Info->Function = this;
Info->Template.setPointer(Template);
- Info->Template.setInt(0); // Implicit instantiation, unless told otherwise
+ Info->Template.setInt(TSK - 1);
Info->TemplateArguments = TemplateArgs;
TemplateOrSpecialization = Info;
-
+
// Insert this function template specialization into the set of known
- // function template specialiations.
- Template->getSpecializations().InsertNode(Info, InsertPos);
+ // function template specializations.
+ if (InsertPos)
+ Template->getSpecializations().InsertNode(Info, InsertPos);
+ else {
+ // Try to insert the new node. If there is an existing node, remove it
+ // first.
+ FunctionTemplateSpecializationInfo *Existing
+ = Template->getSpecializations().GetOrInsertNode(Info);
+ if (Existing) {
+ Template->getSpecializations().RemoveNode(Existing);
+ Template->getSpecializations().GetOrInsertNode(Info);
+ }
+ }
}
-bool FunctionDecl::isExplicitSpecialization() const {
- // FIXME: check this property for explicit specializations of member
- // functions of class templates.
- FunctionTemplateSpecializationInfo *Info
+TemplateSpecializationKind FunctionDecl::getTemplateSpecializationKind() const {
+ // For a function template specialization, query the specialization
+ // information object.
+ FunctionTemplateSpecializationInfo *FTSInfo
= TemplateOrSpecialization.dyn_cast<FunctionTemplateSpecializationInfo*>();
- if (!Info)
- return false;
+ if (FTSInfo)
+ return FTSInfo->getTemplateSpecializationKind();
+
+ MemberSpecializationInfo *MSInfo
+ = TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>();
+ if (MSInfo)
+ return MSInfo->getTemplateSpecializationKind();
- return Info->isExplicitSpecialization();
+ return TSK_Undeclared;
+}
+
+void
+FunctionDecl::setTemplateSpecializationKind(TemplateSpecializationKind TSK) {
+ if (FunctionTemplateSpecializationInfo *FTSInfo
+ = TemplateOrSpecialization.dyn_cast<
+ FunctionTemplateSpecializationInfo*>())
+ FTSInfo->setTemplateSpecializationKind(TSK);
+ else if (MemberSpecializationInfo *MSInfo
+ = TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>())
+ MSInfo->setTemplateSpecializationKind(TSK);
+ else
+ assert(false && "Function cannot have a template specialization kind");
}
-void FunctionDecl::setExplicitSpecialization(bool ES) {
- // FIXME: set this property for explicit specializations of member functions
- // of class templates.
- FunctionTemplateSpecializationInfo *Info
- = TemplateOrSpecialization.dyn_cast<FunctionTemplateSpecializationInfo*>();
- if (Info)
- Info->setExplicitSpecialization(ES);
+bool FunctionDecl::isOutOfLine() const {
+ // FIXME: Should we restrict this to member functions?
+ if (Decl::isOutOfLine())
+ return true;
+
+ // If this function was instantiated from a member function of a
+ // class template, check whether that member function was defined out-of-line.
+ if (FunctionDecl *FD = getInstantiatedFromMemberFunction()) {
+ const FunctionDecl *Definition;
+ if (FD->getBody(Definition))
+ return Definition->isOutOfLine();
+ }
+
+ // If this function was instantiated from a function template,
+ // check whether that function template was defined out-of-line.
+ if (FunctionTemplateDecl *FunTmpl = getPrimaryTemplate()) {
+ const FunctionDecl *Definition;
+ if (FunTmpl->getTemplatedDecl()->getBody(Definition))
+ return Definition->isOutOfLine();
+ }
+
+ return false;
}
//===----------------------------------------------------------------------===//
// TagDecl Implementation
//===----------------------------------------------------------------------===//
+SourceRange TagDecl::getSourceRange() const {
+ SourceLocation E = RBraceLoc.isValid() ? RBraceLoc : getLocation();
+ return SourceRange(TagKeywordLoc, E);
+}
+
+TagDecl* TagDecl::getCanonicalDecl() {
+ return getFirstDeclaration();
+}
+
void TagDecl::startDefinition() {
- TagType *TagT = const_cast<TagType *>(TypeForDecl->getAsTagType());
- TagT->decl.setPointer(this);
- TagT->getAsTagType()->decl.setInt(1);
+ if (TagType *TagT = const_cast<TagType *>(TypeForDecl->getAs<TagType>())) {
+ TagT->decl.setPointer(this);
+ TagT->decl.setInt(1);
+ }
}
void TagDecl::completeDefinition() {
- assert((!TypeForDecl ||
- TypeForDecl->getAsTagType()->decl.getPointer() == this) &&
- "Attempt to redefine a tag definition?");
IsDefinition = true;
- TagType *TagT = const_cast<TagType *>(TypeForDecl->getAsTagType());
- TagT->decl.setPointer(this);
- TagT->decl.setInt(0);
+ if (TagType *TagT = const_cast<TagType *>(TypeForDecl->getAs<TagType>())) {
+ assert(TagT->decl.getPointer() == this &&
+ "Attempt to redefine a tag definition?");
+ TagT->decl.setInt(0);
+ }
}
TagDecl* TagDecl::getDefinition(ASTContext& C) const {
- QualType T = C.getTypeDeclType(const_cast<TagDecl*>(this));
- TagDecl* D = cast<TagDecl>(T->getAsTagType()->getDecl());
- return D->isDefinition() ? D : 0;
+ if (isDefinition())
+ return const_cast<TagDecl *>(this);
+
+ for (redecl_iterator R = redecls_begin(), REnd = redecls_end();
+ R != REnd; ++R)
+ if (R->isDefinition())
+ return *R;
+
+ return 0;
+}
+
+TagDecl::TagKind TagDecl::getTagKindForTypeSpec(unsigned TypeSpec) {
+ switch (TypeSpec) {
+ default: llvm::llvm_unreachable("unexpected type specifier");
+ case DeclSpec::TST_struct: return TK_struct;
+ case DeclSpec::TST_class: return TK_class;
+ case DeclSpec::TST_union: return TK_union;
+ case DeclSpec::TST_enum: return TK_enum;
+ }
}
//===----------------------------------------------------------------------===//
@@ -669,18 +888,20 @@ TagDecl* TagDecl::getDefinition(ASTContext& C) const {
//===----------------------------------------------------------------------===//
RecordDecl::RecordDecl(Kind DK, TagKind TK, DeclContext *DC, SourceLocation L,
- IdentifierInfo *Id)
- : TagDecl(DK, TK, DC, L, Id) {
+ IdentifierInfo *Id, RecordDecl *PrevDecl,
+ SourceLocation TKL)
+ : TagDecl(DK, TK, DC, L, Id, PrevDecl, TKL) {
HasFlexibleArrayMember = false;
AnonymousStructOrUnion = false;
+ HasObjectMember = false;
assert(classof(static_cast<Decl*>(this)) && "Invalid Kind!");
}
RecordDecl *RecordDecl::Create(ASTContext &C, TagKind TK, DeclContext *DC,
SourceLocation L, IdentifierInfo *Id,
- RecordDecl* PrevDecl) {
-
- RecordDecl* R = new (C) RecordDecl(Record, TK, DC, L, Id);
+ SourceLocation TKL, RecordDecl* PrevDecl) {
+
+ RecordDecl* R = new (C) RecordDecl(Record, TK, DC, L, Id, PrevDecl, TKL);
C.getTypeDeclType(R, PrevDecl);
return R;
}
@@ -693,7 +914,7 @@ void RecordDecl::Destroy(ASTContext& C) {
}
bool RecordDecl::isInjectedClassName() const {
- return isImplicit() && getDeclName() && getDeclContext()->isRecord() &&
+ return isImplicit() && getDeclName() && getDeclContext()->isRecord() &&
cast<RecordDecl>(getDeclContext())->getDeclName() == getDeclName();
}
@@ -717,15 +938,15 @@ void BlockDecl::Destroy(ASTContext& C) {
for (param_iterator I=param_begin(), E=param_end(); I!=E; ++I)
(*I)->Destroy(C);
-
- C.Deallocate(ParamInfo);
+
+ C.Deallocate(ParamInfo);
Decl::Destroy(C);
}
void BlockDecl::setParams(ASTContext& C, ParmVarDecl **NewParamInfo,
unsigned NParms) {
assert(ParamInfo == 0 && "Already has param info!");
-
+
// Zero params -> null pointer.
if (NParms) {
NumParams = NParms;
diff --git a/lib/AST/DeclBase.cpp b/lib/AST/DeclBase.cpp
index 96ba19b9a6b9..224bf877ad24 100644
--- a/lib/AST/DeclBase.cpp
+++ b/lib/AST/DeclBase.cpp
@@ -62,12 +62,12 @@ bool Decl::CollectingStats(bool Enable) {
void Decl::PrintStats() {
fprintf(stderr, "*** Decl Stats:\n");
-
+
int totalDecls = 0;
#define DECL(Derived, Base) totalDecls += n##Derived##s;
#include "clang/AST/DeclNodes.def"
fprintf(stderr, " %d decls total.\n", totalDecls);
-
+
int totalBytes = 0;
#define DECL(Derived, Base) \
if (n##Derived##s > 0) { \
@@ -77,7 +77,7 @@ void Decl::PrintStats() {
(int)(n##Derived##s * sizeof(Derived##Decl))); \
}
#include "clang/AST/DeclNodes.def"
-
+
fprintf(stderr, "Total bytes = %d\n", totalBytes);
}
@@ -92,26 +92,26 @@ void Decl::addDeclKind(Kind k) {
bool Decl::isTemplateParameterPack() const {
if (const TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(this))
return TTP->isParameterPack();
-
+
return false;
}
bool Decl::isFunctionOrFunctionTemplate() const {
if (const UsingDecl *UD = dyn_cast<UsingDecl>(this))
return UD->getTargetDecl()->isFunctionOrFunctionTemplate();
-
+
return isa<FunctionDecl>(this) || isa<FunctionTemplateDecl>(this);
}
//===----------------------------------------------------------------------===//
// PrettyStackTraceDecl Implementation
//===----------------------------------------------------------------------===//
-
+
void PrettyStackTraceDecl::print(llvm::raw_ostream &OS) const {
SourceLocation TheLoc = Loc;
if (TheLoc.isInvalid() && TheDecl)
TheLoc = TheDecl->getLocation();
-
+
if (TheLoc.isValid()) {
TheLoc.print(OS, SM);
OS << ": ";
@@ -123,7 +123,7 @@ void PrettyStackTraceDecl::print(llvm::raw_ostream &OS) const {
OS << " '" << DN->getQualifiedNameAsString() << '\'';
OS << '\n';
}
-
+
//===----------------------------------------------------------------------===//
// Decl Implementation
//===----------------------------------------------------------------------===//
@@ -132,14 +132,14 @@ void PrettyStackTraceDecl::print(llvm::raw_ostream &OS) const {
Decl::~Decl() {
if (isOutOfSemaDC())
delete getMultipleDC();
-
+
assert(!HasAttrs && "attributes should have been freed by Destroy");
}
void Decl::setDeclContext(DeclContext *DC) {
if (isOutOfSemaDC())
delete getMultipleDC();
-
+
DeclCtx = DC;
}
@@ -157,28 +157,39 @@ void Decl::setLexicalDeclContext(DeclContext *DC) {
}
}
+bool Decl::isInAnonymousNamespace() const {
+ const DeclContext *DC = getDeclContext();
+ do {
+ if (const NamespaceDecl *ND = dyn_cast<NamespaceDecl>(DC))
+ if (ND->isAnonymousNamespace())
+ return true;
+ } while ((DC = DC->getParent()));
+
+ return false;
+}
+
TranslationUnitDecl *Decl::getTranslationUnitDecl() {
if (TranslationUnitDecl *TUD = dyn_cast<TranslationUnitDecl>(this))
return TUD;
DeclContext *DC = getDeclContext();
assert(DC && "This decl is not contained in a translation unit!");
-
+
while (!DC->isTranslationUnit()) {
DC = DC->getParent();
assert(DC && "This decl is not contained in a translation unit!");
}
-
+
return cast<TranslationUnitDecl>(DC);
}
ASTContext &Decl::getASTContext() const {
- return getTranslationUnitDecl()->getASTContext();
+ return getTranslationUnitDecl()->getASTContext();
}
unsigned Decl::getIdentifierNamespaceForKind(Kind DeclKind) {
switch (DeclKind) {
- default:
+ default:
if (DeclKind >= FunctionFirst && DeclKind <= FunctionLast)
return IDNS_Ordinary;
assert(0 && "Unknown decl kind!");
@@ -191,6 +202,7 @@ unsigned Decl::getIdentifierNamespaceForKind(Kind DeclKind) {
case OriginalParmVar:
case NonTypeTemplateParm:
case Using:
+ case UnresolvedUsing:
case ObjCMethod:
case ObjCContainer:
case ObjCCategory:
@@ -198,10 +210,10 @@ unsigned Decl::getIdentifierNamespaceForKind(Kind DeclKind) {
case ObjCProperty:
case ObjCCompatibleAlias:
return IDNS_Ordinary;
-
+
case ObjCProtocol:
return IDNS_ObjCProtocol;
-
+
case ObjCImplementation:
return IDNS_ObjCImplementation;
@@ -212,13 +224,13 @@ unsigned Decl::getIdentifierNamespaceForKind(Kind DeclKind) {
case ObjCAtDefsField:
case ObjCIvar:
return IDNS_Member;
-
+
case Record:
case CXXRecord:
case Enum:
case TemplateTypeParm:
return IDNS_Tag;
-
+
case Namespace:
case Template:
case FunctionTemplate:
@@ -226,8 +238,10 @@ unsigned Decl::getIdentifierNamespaceForKind(Kind DeclKind) {
case TemplateTemplateParm:
case NamespaceAlias:
return IDNS_Tag | IDNS_Ordinary;
-
+
// Never have names.
+ case Friend:
+ case FriendTemplate:
case LinkageSpec:
case FileScopeAsm:
case StaticAssert:
@@ -250,41 +264,41 @@ void Decl::addAttr(Attr *NewAttr) {
NewAttr->setNext(ExistingAttr);
ExistingAttr = NewAttr;
-
+
HasAttrs = true;
}
void Decl::invalidateAttrs() {
if (!HasAttrs) return;
-
+
HasAttrs = false;
getASTContext().eraseDeclAttrs(this);
}
const Attr *Decl::getAttrsImpl() const {
- assert(HasAttrs && "getAttrs() should verify this!");
+ assert(HasAttrs && "getAttrs() should verify this!");
return getASTContext().getDeclAttrs(this);
}
void Decl::swapAttrs(Decl *RHS) {
bool HasLHSAttr = this->HasAttrs;
bool HasRHSAttr = RHS->HasAttrs;
-
+
// Usually, neither decl has attrs, nothing to do.
if (!HasLHSAttr && !HasRHSAttr) return;
-
+
// If 'this' has no attrs, swap the other way.
if (!HasLHSAttr)
return RHS->swapAttrs(this);
-
+
ASTContext &Context = getASTContext();
-
+
// Handle the case when both decls have attrs.
if (HasRHSAttr) {
std::swap(Context.getDeclAttrs(this), Context.getDeclAttrs(RHS));
return;
}
-
+
// Otherwise, LHS has an attr and RHS doesn't.
Context.getDeclAttrs(RHS) = Context.getDeclAttrs(this);
Context.eraseDeclAttrs(this);
@@ -300,7 +314,7 @@ void Decl::Destroy(ASTContext &C) {
invalidateAttrs();
HasAttrs = false;
}
-
+
#if 0
// FIXME: Once ownership is fully understood, we can enable this code
if (DeclContext *DC = dyn_cast<DeclContext>(this))
@@ -309,15 +323,15 @@ void Decl::Destroy(ASTContext &C) {
// Observe the unrolled recursion. By setting N->NextDeclInContext = 0x0
// within the loop, only the Destroy method for the first Decl
// will deallocate all of the Decls in a chain.
-
+
Decl* N = getNextDeclInContext();
-
+
while (N) {
Decl* Tmp = N->getNextDeclInContext();
N->NextDeclInContext = 0;
N->Destroy(C);
N = Tmp;
- }
+ }
this->~Decl();
C.Deallocate((void *)this);
@@ -377,8 +391,13 @@ SourceLocation Decl::getBodyRBrace() const {
#ifndef NDEBUG
void Decl::CheckAccessDeclContext() const {
- assert((Access != AS_none || isa<TranslationUnitDecl>(this) ||
- !isa<CXXRecordDecl>(getDeclContext())) &&
+ // If the decl is the toplevel translation unit or if we're not in a
+ // record decl context, we don't need to check anything.
+ if (isa<TranslationUnitDecl>(this) ||
+ !isa<CXXRecordDecl>(getDeclContext()))
+ return;
+
+ assert(Access != AS_none &&
"Access specifier is AS_none inside a record decl");
}
@@ -413,6 +432,22 @@ void DeclContext::DestroyDecls(ASTContext &C) {
(*D++)->Destroy(C);
}
+/// \brief Find the parent context of this context that will be
+/// used for unqualified name lookup.
+///
+/// Generally, the parent lookup context is the semantic context. However, for
+/// a friend function the parent lookup context is the lexical context, which
+/// is the class in which the friend is declared.
+DeclContext *DeclContext::getLookupParent() {
+ // FIXME: Find a better way to identify friends
+ if (isa<FunctionDecl>(this))
+ if (getParent()->getLookupContext()->isFileContext() &&
+ getLexicalParent()->getLookupContext()->isRecord())
+ return getLexicalParent();
+
+ return getParent();
+}
+
bool DeclContext::isDependentContext() const {
if (isFileContext())
return false;
@@ -427,7 +462,7 @@ bool DeclContext::isDependentContext() const {
if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(this))
if (Function->getDescribedFunctionTemplate())
return true;
-
+
return getParent() && getParent()->isDependentContext();
}
@@ -444,11 +479,21 @@ bool DeclContext::isTransparentContext() const {
return false;
}
+bool DeclContext::Encloses(DeclContext *DC) {
+ if (getPrimaryContext() != this)
+ return getPrimaryContext()->Encloses(DC);
+
+ for (; DC; DC = DC->getParent())
+ if (DC->getPrimaryContext() == this)
+ return true;
+ return false;
+}
+
DeclContext *DeclContext::getPrimaryContext() {
switch (DeclKind) {
case Decl::TranslationUnit:
case Decl::LinkageSpec:
- case Decl::Block:
+ case Decl::Block:
// There is only one DeclContext for these entities.
return this;
@@ -473,8 +518,8 @@ DeclContext *DeclContext::getPrimaryContext() {
if (DeclKind >= Decl::TagFirst && DeclKind <= Decl::TagLast) {
// If this is a tag type that has a definition or is currently
// being defined, that definition is our primary context.
- if (const TagType *TagT =cast<TagDecl>(this)->TypeForDecl->getAsTagType())
- if (TagT->isBeingDefined() ||
+ if (const TagType *TagT =cast<TagDecl>(this)->TypeForDecl->getAs<TagType>())
+ if (TagT->isBeingDefined() ||
(TagT->getDecl() && TagT->getDecl()->isDefinition()))
return TagT->getDecl();
return this;
@@ -499,13 +544,13 @@ DeclContext *DeclContext::getNextContext() {
/// \brief Load the declarations within this lexical storage from an
/// external source.
-void
+void
DeclContext::LoadLexicalDeclsFromExternalStorage() const {
ExternalASTSource *Source = getParentASTContext().getExternalSource();
assert(hasExternalLexicalStorage() && Source && "No external storage?");
llvm::SmallVector<uint32_t, 64> Decls;
- if (Source->ReadDeclsLexicallyInContext(const_cast<DeclContext *>(this),
+ if (Source->ReadDeclsLexicallyInContext(const_cast<DeclContext *>(this),
Decls))
return;
@@ -537,7 +582,7 @@ DeclContext::LoadLexicalDeclsFromExternalStorage() const {
LastDecl = PrevDecl;
}
-void
+void
DeclContext::LoadVisibleDeclsFromExternalStorage() const {
DeclContext *This = const_cast<DeclContext *>(this);
ExternalASTSource *Source = getParentASTContext().getExternalSource();
@@ -566,14 +611,14 @@ DeclContext::decl_iterator DeclContext::decls_begin() const {
// FIXME: Check whether we need to load some declarations from
// external storage.
- return decl_iterator(FirstDecl);
+ return decl_iterator(FirstDecl);
}
DeclContext::decl_iterator DeclContext::decls_end() const {
if (hasExternalLexicalStorage())
LoadLexicalDeclsFromExternalStorage();
- return decl_iterator();
+ return decl_iterator();
}
bool DeclContext::decls_empty() const {
@@ -583,10 +628,10 @@ bool DeclContext::decls_empty() const {
return !FirstDecl;
}
-void DeclContext::addDecl(Decl *D) {
+void DeclContext::addHiddenDecl(Decl *D) {
assert(D->getLexicalDeclContext() == this &&
"Decl inserted into wrong lexical context");
- assert(!D->getNextDeclInContext() && D != LastDecl &&
+ assert(!D->getNextDeclInContext() && D != LastDecl &&
"Decl already inserted into a DeclContext");
if (FirstDecl) {
@@ -595,6 +640,10 @@ void DeclContext::addDecl(Decl *D) {
} else {
FirstDecl = LastDecl = D;
}
+}
+
+void DeclContext::addDecl(Decl *D) {
+ addHiddenDecl(D);
if (NamedDecl *ND = dyn_cast<NamedDecl>(D))
ND->getDeclContext()->makeDeclVisibleInContext(ND);
@@ -605,12 +654,15 @@ void DeclContext::addDecl(Decl *D) {
/// transparent contexts nested within it).
void DeclContext::buildLookup(DeclContext *DCtx) {
for (; DCtx; DCtx = DCtx->getNextContext()) {
- for (decl_iterator D = DCtx->decls_begin(),
- DEnd = DCtx->decls_end();
+ for (decl_iterator D = DCtx->decls_begin(),
+ DEnd = DCtx->decls_end();
D != DEnd; ++D) {
- // Insert this declaration into the lookup structure
+ // Insert this declaration into the lookup structure, but only
+ // if it's semantically in its decl context. During non-lazy
+ // lookup building, this is implicitly enforced by addDecl.
if (NamedDecl *ND = dyn_cast<NamedDecl>(*D))
- makeDeclVisibleInContextImpl(ND);
+ if (D->getDeclContext() == DCtx)
+ makeDeclVisibleInContextImpl(ND);
// If this declaration is itself a transparent declaration context,
// add its members (recursively).
@@ -621,7 +673,7 @@ void DeclContext::buildLookup(DeclContext *DCtx) {
}
}
-DeclContext::lookup_result
+DeclContext::lookup_result
DeclContext::lookup(DeclarationName Name) {
DeclContext *PrimaryContext = getPrimaryContext();
if (PrimaryContext != this)
@@ -647,7 +699,7 @@ DeclContext::lookup(DeclarationName Name) {
return Pos->second.getLookupResult(getParentASTContext());
}
-DeclContext::lookup_const_result
+DeclContext::lookup_const_result
DeclContext::lookup(DeclarationName Name) const {
return const_cast<DeclContext*>(this)->lookup(Name);
}
@@ -668,7 +720,7 @@ DeclContext *DeclContext::getEnclosingNamespaceContext() {
return Ctx->getPrimaryContext();
}
-void DeclContext::makeDeclVisibleInContext(NamedDecl *D) {
+void DeclContext::makeDeclVisibleInContext(NamedDecl *D, bool Recoverable) {
// FIXME: This feels like a hack. Should DeclarationName support
// template-ids, or is there a better way to keep specializations
// from being visible?
@@ -677,20 +729,20 @@ void DeclContext::makeDeclVisibleInContext(NamedDecl *D) {
DeclContext *PrimaryContext = getPrimaryContext();
if (PrimaryContext != this) {
- PrimaryContext->makeDeclVisibleInContext(D);
+ PrimaryContext->makeDeclVisibleInContext(D, Recoverable);
return;
}
// If we already have a lookup data structure, perform the insertion
// into it. Otherwise, be lazy and don't build that structure until
// someone asks for it.
- if (LookupPtr)
+ if (LookupPtr || !Recoverable)
makeDeclVisibleInContextImpl(D);
// If we are a transparent context, insert into our parent context,
// too. This operation is recursive.
if (isTransparentContext())
- getParent()->makeDeclVisibleInContext(D);
+ getParent()->makeDeclVisibleInContext(D, Recoverable);
}
void DeclContext::makeDeclVisibleInContextImpl(NamedDecl *D) {
@@ -720,14 +772,14 @@ void DeclContext::makeDeclVisibleInContextImpl(NamedDecl *D) {
// one, just replace it and return.
if (DeclNameEntries.HandleRedeclaration(getParentASTContext(), D))
return;
-
+
// Put this declaration into the appropriate slot.
DeclNameEntries.AddSubsequentDecl(D);
}
/// Returns iterator range [First, Last) of UsingDirectiveDecls stored within
/// this context.
-DeclContext::udir_iterator_range
+DeclContext::udir_iterator_range
DeclContext::getUsingDirectives() const {
lookup_const_result Result = lookup(UsingDirectiveDecl::getName());
return udir_iterator_range(reinterpret_cast<udir_iterator>(Result.first),
diff --git a/lib/AST/DeclCXX.cpp b/lib/AST/DeclCXX.cpp
index b8b29528066d..457f4c85a047 100644
--- a/lib/AST/DeclCXX.cpp
+++ b/lib/AST/DeclCXX.cpp
@@ -17,6 +17,7 @@
#include "clang/AST/Expr.h"
#include "clang/Basic/IdentifierTable.h"
#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/SmallPtrSet.h"
using namespace clang;
//===----------------------------------------------------------------------===//
@@ -24,22 +25,32 @@ using namespace clang;
//===----------------------------------------------------------------------===//
CXXRecordDecl::CXXRecordDecl(Kind K, TagKind TK, DeclContext *DC,
- SourceLocation L, IdentifierInfo *Id)
- : RecordDecl(K, TK, DC, L, Id),
+ SourceLocation L, IdentifierInfo *Id,
+ CXXRecordDecl *PrevDecl,
+ SourceLocation TKL)
+ : RecordDecl(K, TK, DC, L, Id, PrevDecl, TKL),
UserDeclaredConstructor(false), UserDeclaredCopyConstructor(false),
UserDeclaredCopyAssignment(false), UserDeclaredDestructor(false),
- Aggregate(true), PlainOldData(true), Polymorphic(false), Abstract(false),
- HasTrivialConstructor(true), HasTrivialDestructor(true),
- Bases(0), NumBases(0), Conversions(DC, DeclarationName()),
+ Aggregate(true), PlainOldData(true), Empty(true), Polymorphic(false),
+ Abstract(false), HasTrivialConstructor(true),
+ HasTrivialCopyConstructor(true), HasTrivialCopyAssignment(true),
+ HasTrivialDestructor(true), ComputedVisibleConversions(false),
+ Bases(0), NumBases(0), VBases(0), NumVBases(0),
+ Conversions(DC, DeclarationName()),
+ VisibleConversions(DC, DeclarationName()),
TemplateOrInstantiation() { }
CXXRecordDecl *CXXRecordDecl::Create(ASTContext &C, TagKind TK, DeclContext *DC,
SourceLocation L, IdentifierInfo *Id,
+ SourceLocation TKL,
CXXRecordDecl* PrevDecl,
bool DelayTypeCreation) {
- CXXRecordDecl* R = new (C) CXXRecordDecl(CXXRecord, TK, DC, L, Id);
+ CXXRecordDecl* R = new (C) CXXRecordDecl(CXXRecord, TK, DC, L, Id,
+ PrevDecl, TKL);
+
+ // FIXME: DelayTypeCreation seems like such a hack
if (!DelayTypeCreation)
- C.getTypeDeclType(R, PrevDecl);
+ C.getTypeDeclType(R, PrevDecl);
return R;
}
@@ -48,14 +59,15 @@ CXXRecordDecl::~CXXRecordDecl() {
void CXXRecordDecl::Destroy(ASTContext &C) {
C.Deallocate(Bases);
+ C.Deallocate(VBases);
this->RecordDecl::Destroy(C);
}
-void
+void
CXXRecordDecl::setBases(ASTContext &C,
- CXXBaseSpecifier const * const *Bases,
+ CXXBaseSpecifier const * const *Bases,
unsigned NumBases) {
- // C++ [dcl.init.aggr]p1:
+ // C++ [dcl.init.aggr]p1:
// An aggregate is an array or a class (clause 9) with [...]
// no base classes [...].
Aggregate = false;
@@ -63,39 +75,109 @@ CXXRecordDecl::setBases(ASTContext &C,
if (this->Bases)
C.Deallocate(this->Bases);
+ int vbaseCount = 0;
+ llvm::SmallVector<const CXXBaseSpecifier*, 8> UniqueVbases;
+ bool hasDirectVirtualBase = false;
+
this->Bases = new(C) CXXBaseSpecifier [NumBases];
this->NumBases = NumBases;
- for (unsigned i = 0; i < NumBases; ++i)
+ for (unsigned i = 0; i < NumBases; ++i) {
this->Bases[i] = *Bases[i];
+ // Keep track of inherited vbases for this base class.
+ const CXXBaseSpecifier *Base = Bases[i];
+ QualType BaseType = Base->getType();
+ // Skip template types.
+ // FIXME. This means that this list must be rebuilt during template
+ // instantiation.
+ if (BaseType->isDependentType())
+ continue;
+ CXXRecordDecl *BaseClassDecl
+ = cast<CXXRecordDecl>(BaseType->getAs<RecordType>()->getDecl());
+ if (Base->isVirtual())
+ hasDirectVirtualBase = true;
+ for (CXXRecordDecl::base_class_iterator VBase =
+ BaseClassDecl->vbases_begin(),
+ E = BaseClassDecl->vbases_end(); VBase != E; ++VBase) {
+ // Add this vbase to the array of vbases for current class if it is
+ // not already in the list.
+ // FIXME. Note that we do a linear search as number of such classes are
+ // very few.
+ int i;
+ for (i = 0; i < vbaseCount; ++i)
+ if (UniqueVbases[i]->getType() == VBase->getType())
+ break;
+ if (i == vbaseCount) {
+ UniqueVbases.push_back(VBase);
+ ++vbaseCount;
+ }
+ }
+ }
+ if (hasDirectVirtualBase) {
+ // Iterate one more time through the direct bases and add the virtual
+ // base to the list of vritual bases for current class.
+ for (unsigned i = 0; i < NumBases; ++i) {
+ const CXXBaseSpecifier *VBase = Bases[i];
+ if (!VBase->isVirtual())
+ continue;
+ int j;
+ for (j = 0; j < vbaseCount; ++j)
+ if (UniqueVbases[j]->getType() == VBase->getType())
+ break;
+ if (j == vbaseCount) {
+ UniqueVbases.push_back(VBase);
+ ++vbaseCount;
+ }
+ }
+ }
+ if (vbaseCount > 0) {
+ // build AST for inhireted, direct or indirect, virtual bases.
+ this->VBases = new (C) CXXBaseSpecifier [vbaseCount];
+ this->NumVBases = vbaseCount;
+ for (int i = 0; i < vbaseCount; i++) {
+ QualType QT = UniqueVbases[i]->getType();
+ CXXRecordDecl *VBaseClassDecl
+ = cast<CXXRecordDecl>(QT->getAs<RecordType>()->getDecl());
+ this->VBases[i] =
+ CXXBaseSpecifier(VBaseClassDecl->getSourceRange(), true,
+ VBaseClassDecl->getTagKind() == RecordDecl::TK_class,
+ UniqueVbases[i]->getAccessSpecifier(), QT);
+ }
+ }
}
bool CXXRecordDecl::hasConstCopyConstructor(ASTContext &Context) const {
- return getCopyConstructor(Context, QualType::Const) != 0;
+ return getCopyConstructor(Context, Qualifiers::Const) != 0;
}
-CXXConstructorDecl *CXXRecordDecl::getCopyConstructor(ASTContext &Context,
+CXXConstructorDecl *CXXRecordDecl::getCopyConstructor(ASTContext &Context,
unsigned TypeQuals) const{
QualType ClassType
= Context.getTypeDeclType(const_cast<CXXRecordDecl*>(this));
- DeclarationName ConstructorName
+ DeclarationName ConstructorName
= Context.DeclarationNames.getCXXConstructorName(
Context.getCanonicalType(ClassType));
unsigned FoundTQs;
DeclContext::lookup_const_iterator Con, ConEnd;
for (llvm::tie(Con, ConEnd) = this->lookup(ConstructorName);
Con != ConEnd; ++Con) {
- if (cast<CXXConstructorDecl>(*Con)->isCopyConstructor(Context,
+ // C++ [class.copy]p2:
+ // A non-template constructor for class X is a copy constructor if [...]
+ if (isa<FunctionTemplateDecl>(*Con))
+ continue;
+
+ if (cast<CXXConstructorDecl>(*Con)->isCopyConstructor(Context,
FoundTQs)) {
- if (((TypeQuals & QualType::Const) == (FoundTQs & QualType::Const)) ||
- (!(TypeQuals & QualType::Const) && (FoundTQs & QualType::Const)))
+ if (((TypeQuals & Qualifiers::Const) == (FoundTQs & Qualifiers::Const)) ||
+ (!(TypeQuals & Qualifiers::Const) && (FoundTQs & Qualifiers::Const)))
return cast<CXXConstructorDecl>(*Con);
-
+
}
}
return 0;
}
-bool CXXRecordDecl::hasConstCopyAssignment(ASTContext &Context) const {
+bool CXXRecordDecl::hasConstCopyAssignment(ASTContext &Context,
+ const CXXMethodDecl *& MD) const {
QualType ClassType = Context.getCanonicalType(Context.getTypeDeclType(
const_cast<CXXRecordDecl*>(this)));
DeclarationName OpName =Context.DeclarationNames.getCXXOperatorName(OO_Equal);
@@ -110,16 +192,17 @@ bool CXXRecordDecl::hasConstCopyAssignment(ASTContext &Context) const {
const CXXMethodDecl* Method = cast<CXXMethodDecl>(*Op);
if (Method->isStatic())
continue;
- // TODO: Skip templates? Or is this implicitly done due to parameter types?
+ if (Method->getPrimaryTemplate())
+ continue;
const FunctionProtoType *FnType =
- Method->getType()->getAsFunctionProtoType();
+ Method->getType()->getAs<FunctionProtoType>();
assert(FnType && "Overloaded operator has no prototype.");
// Don't assert on this; an invalid decl might have been left in the AST.
if (FnType->getNumArgs() != 1 || FnType->isVariadic())
continue;
bool AcceptsConst = true;
QualType ArgType = FnType->getArgType(0);
- if (const LValueReferenceType *Ref = ArgType->getAsLValueReferenceType()) {
+ if (const LValueReferenceType *Ref = ArgType->getAs<LValueReferenceType>()) {
ArgType = Ref->getPointeeType();
// Is it a non-const lvalue reference?
if (!ArgType.isConstQualified())
@@ -127,7 +210,7 @@ bool CXXRecordDecl::hasConstCopyAssignment(ASTContext &Context) const {
}
if (Context.getCanonicalType(ArgType).getUnqualifiedType() != ClassType)
continue;
-
+ MD = Method;
// We have a single argument of type cv X or cv X&, i.e. we've found the
// copy assignment operator. Return whether it accepts const arguments.
return AcceptsConst;
@@ -138,13 +221,13 @@ bool CXXRecordDecl::hasConstCopyAssignment(ASTContext &Context) const {
}
void
-CXXRecordDecl::addedConstructor(ASTContext &Context,
+CXXRecordDecl::addedConstructor(ASTContext &Context,
CXXConstructorDecl *ConDecl) {
assert(!ConDecl->isImplicit() && "addedConstructor - not for implicit decl");
// Note that we have a user-declared constructor.
UserDeclaredConstructor = true;
- // C++ [dcl.init.aggr]p1:
+ // C++ [dcl.init.aggr]p1:
// An aggregate is an array or a class (clause 9) with no
// user-declared constructors (12.1) [...].
Aggregate = false;
@@ -156,22 +239,34 @@ CXXRecordDecl::addedConstructor(ASTContext &Context,
// C++ [class.ctor]p5:
// A constructor is trivial if it is an implicitly-declared default
// constructor.
+ // FIXME: C++0x: don't do this for "= default" default constructors.
HasTrivialConstructor = false;
-
+
// Note when we have a user-declared copy constructor, which will
// suppress the implicit declaration of a copy constructor.
- if (ConDecl->isCopyConstructor(Context))
+ if (ConDecl->isCopyConstructor(Context)) {
UserDeclaredCopyConstructor = true;
+
+ // C++ [class.copy]p6:
+ // A copy constructor is trivial if it is implicitly declared.
+ // FIXME: C++0x: don't do this for "= default" copy constructors.
+ HasTrivialCopyConstructor = false;
+ }
}
void CXXRecordDecl::addedAssignmentOperator(ASTContext &Context,
CXXMethodDecl *OpDecl) {
// We're interested specifically in copy assignment operators.
- const FunctionProtoType *FnType = OpDecl->getType()->getAsFunctionProtoType();
+ const FunctionProtoType *FnType = OpDecl->getType()->getAs<FunctionProtoType>();
assert(FnType && "Overloaded operator has no proto function type.");
assert(FnType->getNumArgs() == 1 && !FnType->isVariadic());
+
+ // Copy assignment operators must be non-templates.
+ if (OpDecl->getPrimaryTemplate() || OpDecl->getDescribedFunctionTemplate())
+ return;
+
QualType ArgType = FnType->getArgType(0);
- if (const LValueReferenceType *Ref = ArgType->getAsLValueReferenceType())
+ if (const LValueReferenceType *Ref = ArgType->getAs<LValueReferenceType>())
ArgType = Ref->getPointeeType();
ArgType = ArgType.getUnqualifiedType();
@@ -185,17 +280,212 @@ void CXXRecordDecl::addedAssignmentOperator(ASTContext &Context,
// Suppress the implicit declaration of a copy constructor.
UserDeclaredCopyAssignment = true;
+ // C++ [class.copy]p11:
+ // A copy assignment operator is trivial if it is implicitly declared.
+ // FIXME: C++0x: don't do this for "= default" copy operators.
+ HasTrivialCopyAssignment = false;
+
// C++ [class]p4:
// A POD-struct is an aggregate class that [...] has no user-defined copy
// assignment operator [...].
PlainOldData = false;
}
-void CXXRecordDecl::addConversionFunction(ASTContext &Context,
+void
+CXXRecordDecl::collectConversionFunctions(
+ llvm::SmallPtrSet<CanQualType, 8>& ConversionsTypeSet)
+{
+ OverloadedFunctionDecl *TopConversions = getConversionFunctions();
+ for (OverloadedFunctionDecl::function_iterator
+ TFunc = TopConversions->function_begin(),
+ TFuncEnd = TopConversions->function_end();
+ TFunc != TFuncEnd; ++TFunc) {
+ NamedDecl *TopConv = TFunc->get();
+ CanQualType TConvType;
+ if (FunctionTemplateDecl *TConversionTemplate =
+ dyn_cast<FunctionTemplateDecl>(TopConv))
+ TConvType =
+ getASTContext().getCanonicalType(
+ TConversionTemplate->getTemplatedDecl()->getResultType());
+ else
+ TConvType =
+ getASTContext().getCanonicalType(
+ cast<CXXConversionDecl>(TopConv)->getConversionType());
+ ConversionsTypeSet.insert(TConvType);
+ }
+}
+
+/// getNestedVisibleConversionFunctions - imports unique conversion
+/// functions from base classes into the visible conversion function
+/// list of the class 'RD'. This is a private helper method.
+/// TopConversionsTypeSet is the set of conversion functions of the class
+/// we are interested in. HiddenConversionTypes is set of conversion functions
+/// of the immediate derived class which hides the conversion functions found
+/// in current class.
+void
+CXXRecordDecl::getNestedVisibleConversionFunctions(CXXRecordDecl *RD,
+ const llvm::SmallPtrSet<CanQualType, 8> &TopConversionsTypeSet,
+ const llvm::SmallPtrSet<CanQualType, 8> &HiddenConversionTypes)
+{
+ bool inTopClass = (RD == this);
+ QualType ClassType = getASTContext().getTypeDeclType(this);
+ if (const RecordType *Record = ClassType->getAs<RecordType>()) {
+ OverloadedFunctionDecl *Conversions
+ = cast<CXXRecordDecl>(Record->getDecl())->getConversionFunctions();
+
+ for (OverloadedFunctionDecl::function_iterator
+ Func = Conversions->function_begin(),
+ FuncEnd = Conversions->function_end();
+ Func != FuncEnd; ++Func) {
+ NamedDecl *Conv = Func->get();
+ // Only those conversions not exact match of conversions in current
+ // class are candidateconversion routines.
+ CanQualType ConvType;
+ if (FunctionTemplateDecl *ConversionTemplate =
+ dyn_cast<FunctionTemplateDecl>(Conv))
+ ConvType =
+ getASTContext().getCanonicalType(
+ ConversionTemplate->getTemplatedDecl()->getResultType());
+ else
+ ConvType =
+ getASTContext().getCanonicalType(
+ cast<CXXConversionDecl>(Conv)->getConversionType());
+ // We only add conversion functions found in the base class if they
+ // are not hidden by those found in HiddenConversionTypes which are
+ // the conversion functions in its derived class.
+ if (inTopClass ||
+ (!TopConversionsTypeSet.count(ConvType) &&
+ !HiddenConversionTypes.count(ConvType)) ) {
+ if (FunctionTemplateDecl *ConversionTemplate =
+ dyn_cast<FunctionTemplateDecl>(Conv))
+ RD->addVisibleConversionFunction(ConversionTemplate);
+ else
+ RD->addVisibleConversionFunction(cast<CXXConversionDecl>(Conv));
+ }
+ }
+ }
+
+ if (getNumBases() == 0 && getNumVBases() == 0)
+ return;
+
+ llvm::SmallPtrSet<CanQualType, 8> ConversionFunctions;
+ if (!inTopClass)
+ collectConversionFunctions(ConversionFunctions);
+
+ for (CXXRecordDecl::base_class_iterator VBase = vbases_begin(),
+ E = vbases_end(); VBase != E; ++VBase) {
+ CXXRecordDecl *VBaseClassDecl
+ = cast<CXXRecordDecl>(VBase->getType()->getAs<RecordType>()->getDecl());
+ VBaseClassDecl->getNestedVisibleConversionFunctions(RD,
+ TopConversionsTypeSet,
+ (inTopClass ? TopConversionsTypeSet : ConversionFunctions));
+
+ }
+ for (CXXRecordDecl::base_class_iterator Base = bases_begin(),
+ E = bases_end(); Base != E; ++Base) {
+ if (Base->isVirtual())
+ continue;
+ CXXRecordDecl *BaseClassDecl
+ = cast<CXXRecordDecl>(Base->getType()->getAs<RecordType>()->getDecl());
+
+ BaseClassDecl->getNestedVisibleConversionFunctions(RD,
+ TopConversionsTypeSet,
+ (inTopClass ? TopConversionsTypeSet : ConversionFunctions));
+
+ }
+}
+
+/// getVisibleConversionFunctions - get all conversion functions visible
+/// in current class; including conversion function templates.
+OverloadedFunctionDecl *
+CXXRecordDecl::getVisibleConversionFunctions() {
+ // If root class, all conversions are visible.
+ if (bases_begin() == bases_end())
+ return &Conversions;
+ // If visible conversion list is already evaluated, return it.
+ if (ComputedVisibleConversions)
+ return &VisibleConversions;
+ llvm::SmallPtrSet<CanQualType, 8> TopConversionsTypeSet;
+ collectConversionFunctions(TopConversionsTypeSet);
+ getNestedVisibleConversionFunctions(this, TopConversionsTypeSet,
+ TopConversionsTypeSet);
+ ComputedVisibleConversions = true;
+ return &VisibleConversions;
+}
+
+void CXXRecordDecl::addVisibleConversionFunction(
CXXConversionDecl *ConvDecl) {
+ assert(!ConvDecl->getDescribedFunctionTemplate() &&
+ "Conversion function templates should cast to FunctionTemplateDecl.");
+ VisibleConversions.addOverload(ConvDecl);
+}
+
+void CXXRecordDecl::addVisibleConversionFunction(
+ FunctionTemplateDecl *ConvDecl) {
+ assert(isa<CXXConversionDecl>(ConvDecl->getTemplatedDecl()) &&
+ "Function template is not a conversion function template");
+ VisibleConversions.addOverload(ConvDecl);
+}
+
+void CXXRecordDecl::addConversionFunction(CXXConversionDecl *ConvDecl) {
+ assert(!ConvDecl->getDescribedFunctionTemplate() &&
+ "Conversion function templates should cast to FunctionTemplateDecl.");
Conversions.addOverload(ConvDecl);
}
+void CXXRecordDecl::addConversionFunction(FunctionTemplateDecl *ConvDecl) {
+ assert(isa<CXXConversionDecl>(ConvDecl->getTemplatedDecl()) &&
+ "Function template is not a conversion function template");
+ Conversions.addOverload(ConvDecl);
+}
+
+CXXRecordDecl *CXXRecordDecl::getInstantiatedFromMemberClass() const {
+ if (MemberSpecializationInfo *MSInfo = getMemberSpecializationInfo())
+ return cast<CXXRecordDecl>(MSInfo->getInstantiatedFrom());
+
+ return 0;
+}
+
+MemberSpecializationInfo *CXXRecordDecl::getMemberSpecializationInfo() const {
+ return TemplateOrInstantiation.dyn_cast<MemberSpecializationInfo *>();
+}
+
+void
+CXXRecordDecl::setInstantiationOfMemberClass(CXXRecordDecl *RD,
+ TemplateSpecializationKind TSK) {
+ assert(TemplateOrInstantiation.isNull() &&
+ "Previous template or instantiation?");
+ assert(!isa<ClassTemplateSpecializationDecl>(this));
+ TemplateOrInstantiation
+ = new (getASTContext()) MemberSpecializationInfo(RD, TSK);
+}
+
+TemplateSpecializationKind CXXRecordDecl::getTemplateSpecializationKind() {
+ if (ClassTemplateSpecializationDecl *Spec
+ = dyn_cast<ClassTemplateSpecializationDecl>(this))
+ return Spec->getSpecializationKind();
+
+ if (MemberSpecializationInfo *MSInfo = getMemberSpecializationInfo())
+ return MSInfo->getTemplateSpecializationKind();
+
+ return TSK_Undeclared;
+}
+
+void
+CXXRecordDecl::setTemplateSpecializationKind(TemplateSpecializationKind TSK) {
+ if (ClassTemplateSpecializationDecl *Spec
+ = dyn_cast<ClassTemplateSpecializationDecl>(this)) {
+ Spec->setSpecializationKind(TSK);
+ return;
+ }
+
+ if (MemberSpecializationInfo *MSInfo = getMemberSpecializationInfo()) {
+ MSInfo->setTemplateSpecializationKind(TSK);
+ return;
+ }
+
+ assert(false && "Not a class template or member class specialization");
+}
CXXConstructorDecl *
CXXRecordDecl::getDefaultConstructor(ASTContext &Context) {
@@ -203,10 +493,14 @@ CXXRecordDecl::getDefaultConstructor(ASTContext &Context) {
DeclarationName ConstructorName
= Context.DeclarationNames.getCXXConstructorName(
Context.getCanonicalType(ClassType.getUnqualifiedType()));
-
+
DeclContext::lookup_const_iterator Con, ConEnd;
for (llvm::tie(Con, ConEnd) = lookup(ConstructorName);
Con != ConEnd; ++Con) {
+ // FIXME: In C++0x, a constructor template can be a default constructor.
+ if (isa<FunctionTemplateDecl>(*Con))
+ continue;
+
CXXConstructorDecl *Constructor = cast<CXXConstructorDecl>(*Con);
if (Constructor->isDefaultConstructor())
return Constructor;
@@ -217,66 +511,105 @@ CXXRecordDecl::getDefaultConstructor(ASTContext &Context) {
const CXXDestructorDecl *
CXXRecordDecl::getDestructor(ASTContext &Context) {
QualType ClassType = Context.getTypeDeclType(this);
-
- DeclarationName Name
- = Context.DeclarationNames.getCXXDestructorName(ClassType);
+
+ DeclarationName Name
+ = Context.DeclarationNames.getCXXDestructorName(
+ Context.getCanonicalType(ClassType));
DeclContext::lookup_iterator I, E;
- llvm::tie(I, E) = lookup(Name);
+ llvm::tie(I, E) = lookup(Name);
assert(I != E && "Did not find a destructor!");
-
+
const CXXDestructorDecl *Dtor = cast<CXXDestructorDecl>(*I);
assert(++I == E && "Found more than one destructor!");
-
+
return Dtor;
}
CXXMethodDecl *
CXXMethodDecl::Create(ASTContext &C, CXXRecordDecl *RD,
SourceLocation L, DeclarationName N,
- QualType T, bool isStatic, bool isInline) {
- return new (C) CXXMethodDecl(CXXMethod, RD, L, N, T, isStatic, isInline);
+ QualType T, DeclaratorInfo *DInfo,
+ bool isStatic, bool isInline) {
+ return new (C) CXXMethodDecl(CXXMethod, RD, L, N, T, DInfo,
+ isStatic, isInline);
}
+bool CXXMethodDecl::isUsualDeallocationFunction() const {
+ if (getOverloadedOperator() != OO_Delete &&
+ getOverloadedOperator() != OO_Array_Delete)
+ return false;
+
+ // C++ [basic.stc.dynamic.deallocation]p2:
+ // If a class T has a member deallocation function named operator delete
+ // with exactly one parameter, then that function is a usual (non-placement)
+ // deallocation function. [...]
+ if (getNumParams() == 1)
+ return true;
+
+ // C++ [basic.stc.dynamic.deallocation]p2:
+ // [...] If class T does not declare such an operator delete but does
+ // declare a member deallocation function named operator delete with
+ // exactly two parameters, the second of which has type std::size_t (18.1),
+ // then this function is a usual deallocation function.
+ ASTContext &Context = getASTContext();
+ if (getNumParams() != 2 ||
+ !Context.hasSameType(getParamDecl(1)->getType(), Context.getSizeType()))
+ return false;
+
+ // This function is a usual deallocation function if there are no
+ // single-parameter deallocation functions of the same kind.
+ for (DeclContext::lookup_const_result R = getDeclContext()->lookup(getDeclName());
+ R.first != R.second; ++R.first) {
+ if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(*R.first))
+ if (FD->getNumParams() == 1)
+ return false;
+ }
+
+ return true;
+}
-typedef llvm::DenseMap<const CXXMethodDecl*,
- std::vector<const CXXMethodDecl *> *>
+typedef llvm::DenseMap<const CXXMethodDecl*,
+ std::vector<const CXXMethodDecl *> *>
OverriddenMethodsMapTy;
+// FIXME: We hate static data. This doesn't survive PCH saving/loading, and
+// the vtable building code uses it at CG time.
static OverriddenMethodsMapTy *OverriddenMethods = 0;
void CXXMethodDecl::addOverriddenMethod(const CXXMethodDecl *MD) {
// FIXME: The CXXMethodDecl dtor needs to remove and free the entry.
-
+
if (!OverriddenMethods)
OverriddenMethods = new OverriddenMethodsMapTy();
-
+
std::vector<const CXXMethodDecl *> *&Methods = (*OverriddenMethods)[this];
if (!Methods)
Methods = new std::vector<const CXXMethodDecl *>;
-
+
Methods->push_back(MD);
}
CXXMethodDecl::method_iterator CXXMethodDecl::begin_overridden_methods() const {
if (!OverriddenMethods)
return 0;
-
+
OverriddenMethodsMapTy::iterator it = OverriddenMethods->find(this);
- if (it == OverriddenMethods->end())
+ if (it == OverriddenMethods->end() || it->second->empty())
return 0;
+
return &(*it->second)[0];
}
CXXMethodDecl::method_iterator CXXMethodDecl::end_overridden_methods() const {
if (!OverriddenMethods)
return 0;
-
+
OverriddenMethodsMapTy::iterator it = OverriddenMethods->find(this);
- if (it == OverriddenMethods->end())
+ if (it == OverriddenMethods->end() || it->second->empty())
return 0;
- return &(*it->second)[it->second->size()];
+ return &(*it->second)[0] + it->second->size();
}
QualType CXXMethodDecl::getThisType(ASTContext &C) const {
@@ -292,40 +625,46 @@ QualType CXXMethodDecl::getThisType(ASTContext &C) const {
if (ClassTemplateDecl *TD = getParent()->getDescribedClassTemplate())
ClassTy = TD->getInjectedClassNameType(C);
else
- ClassTy = C.getTagDeclType(const_cast<CXXRecordDecl*>(getParent()));
- ClassTy = ClassTy.getWithAdditionalQualifiers(getTypeQualifiers());
- return C.getPointerType(ClassTy).withConst();
+ ClassTy = C.getTagDeclType(getParent());
+ ClassTy = C.getQualifiedType(ClassTy,
+ Qualifiers::fromCVRMask(getTypeQualifiers()));
+ return C.getPointerType(ClassTy);
}
CXXBaseOrMemberInitializer::
CXXBaseOrMemberInitializer(QualType BaseType, Expr **Args, unsigned NumArgs,
- SourceLocation L)
- : Args(0), NumArgs(0), IdLoc(L) {
+ CXXConstructorDecl *C,
+ SourceLocation L, SourceLocation R)
+ : Args(0), NumArgs(0), CtorOrAnonUnion(), IdLoc(L), RParenLoc(R) {
BaseOrMember = reinterpret_cast<uintptr_t>(BaseType.getTypePtr());
assert((BaseOrMember & 0x01) == 0 && "Invalid base class type pointer");
BaseOrMember |= 0x01;
-
+
if (NumArgs > 0) {
this->NumArgs = NumArgs;
- this->Args = new Expr*[NumArgs];
+ // FIXME. Allocation via Context
+ this->Args = new Stmt*[NumArgs];
for (unsigned Idx = 0; Idx < NumArgs; ++Idx)
this->Args[Idx] = Args[Idx];
}
+ CtorOrAnonUnion = C;
}
CXXBaseOrMemberInitializer::
CXXBaseOrMemberInitializer(FieldDecl *Member, Expr **Args, unsigned NumArgs,
- SourceLocation L)
- : Args(0), NumArgs(0), IdLoc(L) {
+ CXXConstructorDecl *C,
+ SourceLocation L, SourceLocation R)
+ : Args(0), NumArgs(0), CtorOrAnonUnion(), IdLoc(L), RParenLoc(R) {
BaseOrMember = reinterpret_cast<uintptr_t>(Member);
- assert((BaseOrMember & 0x01) == 0 && "Invalid member pointer");
+ assert((BaseOrMember & 0x01) == 0 && "Invalid member pointer");
if (NumArgs > 0) {
this->NumArgs = NumArgs;
- this->Args = new Expr*[NumArgs];
+ this->Args = new Stmt*[NumArgs];
for (unsigned Idx = 0; Idx < NumArgs; ++Idx)
this->Args[Idx] = Args[Idx];
}
+ CtorOrAnonUnion = C;
}
CXXBaseOrMemberInitializer::~CXXBaseOrMemberInitializer() {
@@ -335,11 +674,12 @@ CXXBaseOrMemberInitializer::~CXXBaseOrMemberInitializer() {
CXXConstructorDecl *
CXXConstructorDecl::Create(ASTContext &C, CXXRecordDecl *RD,
SourceLocation L, DeclarationName N,
- QualType T, bool isExplicit,
+ QualType T, DeclaratorInfo *DInfo,
+ bool isExplicit,
bool isInline, bool isImplicitlyDeclared) {
assert(N.getNameKind() == DeclarationName::CXXConstructorName &&
"Name must refer to a constructor");
- return new (C) CXXConstructorDecl(RD, L, N, T, isExplicit, isInline,
+ return new (C) CXXConstructorDecl(RD, L, N, T, DInfo, isExplicit, isInline,
isImplicitlyDeclared);
}
@@ -348,11 +688,11 @@ bool CXXConstructorDecl::isDefaultConstructor() const {
// A default constructor for a class X is a constructor of class
// X that can be called without an argument.
return (getNumParams() == 0) ||
- (getNumParams() > 0 && getParamDecl(0)->getDefaultArg() != 0);
+ (getNumParams() > 0 && getParamDecl(0)->hasDefaultArg());
}
-bool
-CXXConstructorDecl::isCopyConstructor(ASTContext &Context,
+bool
+CXXConstructorDecl::isCopyConstructor(ASTContext &Context,
unsigned &TypeQuals) const {
// C++ [class.copy]p2:
// A non-template constructor for class X is a copy constructor
@@ -360,42 +700,46 @@ CXXConstructorDecl::isCopyConstructor(ASTContext &Context,
// const volatile X&, and either there are no other parameters
// or else all other parameters have default arguments (8.3.6).
if ((getNumParams() < 1) ||
- (getNumParams() > 1 && !getParamDecl(1)->hasDefaultArg()))
+ (getNumParams() > 1 && !getParamDecl(1)->hasDefaultArg()) ||
+ (getPrimaryTemplate() != 0) ||
+ (getDescribedFunctionTemplate() != 0))
return false;
const ParmVarDecl *Param = getParamDecl(0);
// Do we have a reference type? Rvalue references don't count.
const LValueReferenceType *ParamRefType =
- Param->getType()->getAsLValueReferenceType();
+ Param->getType()->getAs<LValueReferenceType>();
if (!ParamRefType)
return false;
// Is it a reference to our class type?
- QualType PointeeType
+ CanQualType PointeeType
= Context.getCanonicalType(ParamRefType->getPointeeType());
- QualType ClassTy
- = Context.getTagDeclType(const_cast<CXXRecordDecl*>(getParent()));
+ CanQualType ClassTy
+ = Context.getCanonicalType(Context.getTagDeclType(getParent()));
if (PointeeType.getUnqualifiedType() != ClassTy)
return false;
+ // FIXME: other qualifiers?
+
// We have a copy constructor.
TypeQuals = PointeeType.getCVRQualifiers();
return true;
}
-bool CXXConstructorDecl::isConvertingConstructor() const {
+bool CXXConstructorDecl::isConvertingConstructor(bool AllowExplicit) const {
// C++ [class.conv.ctor]p1:
// A constructor declared without the function-specifier explicit
// that can be called with a single parameter specifies a
// conversion from the type of its first parameter to the type of
// its class. Such a constructor is called a converting
// constructor.
- if (isExplicit())
+ if (isExplicit() && !AllowExplicit)
return false;
- return (getNumParams() == 0 &&
- getType()->getAsFunctionProtoType()->isVariadic()) ||
+ return (getNumParams() == 0 &&
+ getType()->getAs<FunctionProtoType>()->isVariadic()) ||
(getNumParams() == 1) ||
(getNumParams() > 1 && getParamDecl(1)->hasDefaultArg());
}
@@ -403,42 +747,34 @@ bool CXXConstructorDecl::isConvertingConstructor() const {
CXXDestructorDecl *
CXXDestructorDecl::Create(ASTContext &C, CXXRecordDecl *RD,
SourceLocation L, DeclarationName N,
- QualType T, bool isInline,
+ QualType T, bool isInline,
bool isImplicitlyDeclared) {
assert(N.getNameKind() == DeclarationName::CXXDestructorName &&
"Name must refer to a destructor");
- return new (C) CXXDestructorDecl(RD, L, N, T, isInline,
+ return new (C) CXXDestructorDecl(RD, L, N, T, isInline,
isImplicitlyDeclared);
}
void
-CXXConstructorDecl::setBaseOrMemberInitializers(
- ASTContext &C,
- CXXBaseOrMemberInitializer **Initializers,
- unsigned NumInitializers) {
- if (NumInitializers > 0) {
- NumBaseOrMemberInitializers = NumInitializers;
- BaseOrMemberInitializers =
- new (C, 8) CXXBaseOrMemberInitializer*[NumInitializers];
- for (unsigned Idx = 0; Idx < NumInitializers; ++Idx)
- BaseOrMemberInitializers[Idx] = Initializers[Idx];
- }
+CXXDestructorDecl::Destroy(ASTContext& C) {
+ C.Deallocate(BaseOrMemberDestructions);
+ CXXMethodDecl::Destroy(C);
}
void
CXXConstructorDecl::Destroy(ASTContext& C) {
C.Deallocate(BaseOrMemberInitializers);
- this->~CXXMethodDecl();
- C.Deallocate((void *)this);
+ CXXMethodDecl::Destroy(C);
}
CXXConversionDecl *
CXXConversionDecl::Create(ASTContext &C, CXXRecordDecl *RD,
SourceLocation L, DeclarationName N,
- QualType T, bool isInline, bool isExplicit) {
+ QualType T, DeclaratorInfo *DInfo,
+ bool isInline, bool isExplicit) {
assert(N.getNameKind() == DeclarationName::CXXConversionFunctionName &&
"Name must refer to a conversion function");
- return new (C) CXXConversionDecl(RD, L, N, T, isInline, isExplicit);
+ return new (C) CXXConversionDecl(RD, L, N, T, DInfo, isInline, isExplicit);
}
OverloadedFunctionDecl *
@@ -447,13 +783,78 @@ OverloadedFunctionDecl::Create(ASTContext &C, DeclContext *DC,
return new (C) OverloadedFunctionDecl(DC, N);
}
+OverloadIterator::OverloadIterator(NamedDecl *ND) : D(0) {
+ if (!ND)
+ return;
+
+ if (isa<FunctionDecl>(ND) || isa<FunctionTemplateDecl>(ND))
+ D = ND;
+ else if (OverloadedFunctionDecl *Ovl = dyn_cast<OverloadedFunctionDecl>(ND)) {
+ if (Ovl->size() != 0) {
+ D = ND;
+ Iter = Ovl->function_begin();
+ }
+ }
+}
+
void OverloadedFunctionDecl::addOverload(AnyFunctionDecl F) {
Functions.push_back(F);
this->setLocation(F.get()->getLocation());
}
+OverloadIterator::reference OverloadIterator::operator*() const {
+ if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
+ return FD;
+
+ if (FunctionTemplateDecl *FTD = dyn_cast<FunctionTemplateDecl>(D))
+ return FTD;
+
+ assert(isa<OverloadedFunctionDecl>(D));
+ return *Iter;
+}
+
+OverloadIterator &OverloadIterator::operator++() {
+ if (isa<FunctionDecl>(D) || isa<FunctionTemplateDecl>(D)) {
+ D = 0;
+ return *this;
+ }
+
+ if (++Iter == cast<OverloadedFunctionDecl>(D)->function_end())
+ D = 0;
+
+ return *this;
+}
+
+bool OverloadIterator::Equals(const OverloadIterator &Other) const {
+ if (!D || !Other.D)
+ return D == Other.D;
+
+ if (D != Other.D)
+ return false;
+
+ return !isa<OverloadedFunctionDecl>(D) || Iter == Other.Iter;
+}
+
+FriendDecl *FriendDecl::Create(ASTContext &C, DeclContext *DC,
+ SourceLocation L,
+ FriendUnion Friend,
+ SourceLocation FriendL) {
+#ifndef NDEBUG
+ if (Friend.is<NamedDecl*>()) {
+ NamedDecl *D = Friend.get<NamedDecl*>();
+ assert(isa<FunctionDecl>(D) ||
+ isa<CXXRecordDecl>(D) ||
+ isa<FunctionTemplateDecl>(D) ||
+ isa<ClassTemplateDecl>(D));
+ assert(D->getFriendObjectKind());
+ }
+#endif
+
+ return new (C) FriendDecl(DC, L, Friend, FriendL);
+}
+
LinkageSpecDecl *LinkageSpecDecl::Create(ASTContext &C,
- DeclContext *DC,
+ DeclContext *DC,
SourceLocation L,
LanguageIDs Lang, bool Braces) {
return new (C) LinkageSpecDecl(DC, L, Lang, Braces);
@@ -467,19 +868,19 @@ UsingDirectiveDecl *UsingDirectiveDecl::Create(ASTContext &C, DeclContext *DC,
SourceLocation IdentLoc,
NamespaceDecl *Used,
DeclContext *CommonAncestor) {
- return new (C) UsingDirectiveDecl(DC, L, NamespaceLoc, QualifierRange,
+ return new (C) UsingDirectiveDecl(DC, L, NamespaceLoc, QualifierRange,
Qualifier, IdentLoc, Used, CommonAncestor);
}
-NamespaceAliasDecl *NamespaceAliasDecl::Create(ASTContext &C, DeclContext *DC,
- SourceLocation L,
- SourceLocation AliasLoc,
- IdentifierInfo *Alias,
+NamespaceAliasDecl *NamespaceAliasDecl::Create(ASTContext &C, DeclContext *DC,
+ SourceLocation L,
+ SourceLocation AliasLoc,
+ IdentifierInfo *Alias,
SourceRange QualifierRange,
NestedNameSpecifier *Qualifier,
- SourceLocation IdentLoc,
+ SourceLocation IdentLoc,
NamedDecl *Namespace) {
- return new (C) NamespaceAliasDecl(DC, L, AliasLoc, Alias, QualifierRange,
+ return new (C) NamespaceAliasDecl(DC, L, AliasLoc, Alias, QualifierRange,
Qualifier, IdentLoc, Namespace);
}
@@ -491,6 +892,17 @@ UsingDecl *UsingDecl::Create(ASTContext &C, DeclContext *DC,
TargetNNS, IsTypeNameArg);
}
+UnresolvedUsingDecl *UnresolvedUsingDecl::Create(ASTContext &C, DeclContext *DC,
+ SourceLocation UsingLoc,
+ SourceRange TargetNNR,
+ NestedNameSpecifier *TargetNNS,
+ SourceLocation TargetNameLoc,
+ DeclarationName TargetName,
+ bool IsTypeNameArg) {
+ return new (C) UnresolvedUsingDecl(DC, UsingLoc, TargetNNR, TargetNNS,
+ TargetNameLoc, TargetName, IsTypeNameArg);
+}
+
StaticAssertDecl *StaticAssertDecl::Create(ASTContext &C, DeclContext *DC,
SourceLocation L, Expr *AssertExpr,
StringLiteral *Message) {
diff --git a/lib/AST/DeclObjC.cpp b/lib/AST/DeclObjC.cpp
index 54f13e14ba65..7f38ac1d9ad0 100644
--- a/lib/AST/DeclObjC.cpp
+++ b/lib/AST/DeclObjC.cpp
@@ -30,8 +30,8 @@ void ObjCListBase::Destroy(ASTContext &Ctx) {
void ObjCListBase::set(void *const* InList, unsigned Elts, ASTContext &Ctx) {
assert(List == 0 && "Elements already set!");
if (Elts == 0) return; // Setting to an empty list is a noop.
-
-
+
+
List = new (Ctx) void*[Elts];
NumElts = Elts;
memcpy(List, InList, sizeof(void*)*Elts);
@@ -54,29 +54,9 @@ ObjCContainerDecl::getIvarDecl(IdentifierInfo *Id) const {
return 0;
}
-// Get the local instance method declared in this interface.
-ObjCMethodDecl *
-ObjCContainerDecl::getInstanceMethod(Selector Sel) const {
- // Since instance & class methods can have the same name, the loop below
- // ensures we get the correct method.
- //
- // @interface Whatever
- // - (int) class_method;
- // + (float) class_method;
- // @end
- //
- lookup_const_iterator Meth, MethEnd;
- for (llvm::tie(Meth, MethEnd) = lookup(Sel); Meth != MethEnd; ++Meth) {
- ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(*Meth);
- if (MD && MD->isInstanceMethod())
- return MD;
- }
- return 0;
-}
-
-// Get the local class method declared in this interface.
+// Get the local instance/class method declared in this interface.
ObjCMethodDecl *
-ObjCContainerDecl::getClassMethod(Selector Sel) const {
+ObjCContainerDecl::getMethod(Selector Sel, bool isInstance) const {
// Since instance & class methods can have the same name, the loop below
// ensures we get the correct method.
//
@@ -88,7 +68,7 @@ ObjCContainerDecl::getClassMethod(Selector Sel) const {
lookup_const_iterator Meth, MethEnd;
for (llvm::tie(Meth, MethEnd) = lookup(Sel); Meth != MethEnd; ++Meth) {
ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(*Meth);
- if (MD && MD->isClassMethod())
+ if (MD && MD->isInstanceMethod() == isInstance)
return MD;
}
return 0;
@@ -103,15 +83,15 @@ ObjCContainerDecl::FindPropertyDeclaration(IdentifierInfo *PropertyId) const {
for (prop_iterator I = prop_begin(), E = prop_end(); I != E; ++I)
if ((*I)->getIdentifier() == PropertyId)
return *I;
-
+
const ObjCProtocolDecl *PID = dyn_cast<ObjCProtocolDecl>(this);
if (PID) {
- for (ObjCProtocolDecl::protocol_iterator I = PID->protocol_begin(),
+ for (ObjCProtocolDecl::protocol_iterator I = PID->protocol_begin(),
E = PID->protocol_end(); I != E; ++I)
if (ObjCPropertyDecl *P = (*I)->FindPropertyDeclaration(PropertyId))
return P;
}
-
+
if (const ObjCInterfaceDecl *OID = dyn_cast<ObjCInterfaceDecl>(this)) {
// Look through categories.
for (ObjCCategoryDecl *Category = OID->getCategoryList();
@@ -138,6 +118,45 @@ ObjCContainerDecl::FindPropertyDeclaration(IdentifierInfo *PropertyId) const {
return 0;
}
+void ObjCInterfaceDecl::mergeClassExtensionProtocolList(
+ ObjCProtocolDecl *const* ExtList, unsigned ExtNum,
+ ASTContext &C)
+{
+ if (ReferencedProtocols.empty()) {
+ ReferencedProtocols.set(ExtList, ExtNum, C);
+ return;
+ }
+ // Check for duplicate protocol in class's protocol list.
+ // This is (O)2. But it is extremely rare and number of protocols in
+ // class or its extension are very few.
+ llvm::SmallVector<ObjCProtocolDecl*, 8> ProtocolRefs;
+ for (unsigned i = 0; i < ExtNum; i++) {
+ bool protocolExists = false;
+ ObjCProtocolDecl *ProtoInExtension = ExtList[i];
+ for (protocol_iterator p = protocol_begin(), e = protocol_end();
+ p != e; p++) {
+ ObjCProtocolDecl *Proto = (*p);
+ if (C.ProtocolCompatibleWithProtocol(ProtoInExtension, Proto)) {
+ protocolExists = true;
+ break;
+ }
+ }
+ // Do we want to warn on a protocol in extension class which
+ // already exist in the class? Probably not.
+ if (!protocolExists)
+ ProtocolRefs.push_back(ProtoInExtension);
+ }
+ if (ProtocolRefs.empty())
+ return;
+ // Merge ProtocolRefs into class's protocol list;
+ for (protocol_iterator p = protocol_begin(), e = protocol_end();
+ p != e; p++)
+ ProtocolRefs.push_back(*p);
+ ReferencedProtocols.Destroy(C);
+ unsigned NumProtoRefs = ProtocolRefs.size();
+ setProtocolList((ObjCProtocolDecl**)&ProtocolRefs[0], NumProtoRefs, C);
+}
+
ObjCIvarDecl *ObjCInterfaceDecl::lookupInstanceVariable(IdentifierInfo *ID,
ObjCInterfaceDecl *&clsDeclared) {
ObjCInterfaceDecl* ClassDecl = this;
@@ -165,72 +184,37 @@ ObjCInterfaceDecl *ObjCInterfaceDecl::lookupInheritedClass(
return NULL;
}
-/// lookupInstanceMethod - This method returns an instance method by looking in
+/// lookupMethod - This method returns an instance/class method by looking in
/// the class, its categories, and its super classes (using a linear search).
-ObjCMethodDecl *ObjCInterfaceDecl::lookupInstanceMethod(Selector Sel) {
- ObjCInterfaceDecl* ClassDecl = this;
+ObjCMethodDecl *ObjCInterfaceDecl::lookupMethod(Selector Sel,
+ bool isInstance) const {
+ const ObjCInterfaceDecl* ClassDecl = this;
ObjCMethodDecl *MethodDecl = 0;
-
+
while (ClassDecl != NULL) {
- if ((MethodDecl = ClassDecl->getInstanceMethod(Sel)))
+ if ((MethodDecl = ClassDecl->getMethod(Sel, isInstance)))
return MethodDecl;
-
+
// Didn't find one yet - look through protocols.
const ObjCList<ObjCProtocolDecl> &Protocols =
ClassDecl->getReferencedProtocols();
for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(),
E = Protocols.end(); I != E; ++I)
- if ((MethodDecl = (*I)->lookupInstanceMethod(Sel)))
- return MethodDecl;
-
- // Didn't find one yet - now look through categories.
- ObjCCategoryDecl *CatDecl = ClassDecl->getCategoryList();
- while (CatDecl) {
- if ((MethodDecl = CatDecl->getInstanceMethod(Sel)))
+ if ((MethodDecl = (*I)->lookupMethod(Sel, isInstance)))
return MethodDecl;
-
- // Didn't find one yet - look through protocols.
- const ObjCList<ObjCProtocolDecl> &Protocols =
- CatDecl->getReferencedProtocols();
- for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(),
- E = Protocols.end(); I != E; ++I)
- if ((MethodDecl = (*I)->lookupInstanceMethod(Sel)))
- return MethodDecl;
- CatDecl = CatDecl->getNextClassCategory();
- }
- ClassDecl = ClassDecl->getSuperClass();
- }
- return NULL;
-}
-
-// lookupClassMethod - This method returns a class method by looking in the
-// class, its categories, and its super classes (using a linear search).
-ObjCMethodDecl *ObjCInterfaceDecl::lookupClassMethod(Selector Sel) {
- ObjCInterfaceDecl* ClassDecl = this;
- ObjCMethodDecl *MethodDecl = 0;
-
- while (ClassDecl != NULL) {
- if ((MethodDecl = ClassDecl->getClassMethod(Sel)))
- return MethodDecl;
- // Didn't find one yet - look through protocols.
- for (ObjCInterfaceDecl::protocol_iterator I = ClassDecl->protocol_begin(),
- E = ClassDecl->protocol_end(); I != E; ++I)
- if ((MethodDecl = (*I)->lookupClassMethod(Sel)))
- return MethodDecl;
-
// Didn't find one yet - now look through categories.
ObjCCategoryDecl *CatDecl = ClassDecl->getCategoryList();
while (CatDecl) {
- if ((MethodDecl = CatDecl->getClassMethod(Sel)))
+ if ((MethodDecl = CatDecl->getMethod(Sel, isInstance)))
return MethodDecl;
-
+
// Didn't find one yet - look through protocols.
const ObjCList<ObjCProtocolDecl> &Protocols =
CatDecl->getReferencedProtocols();
for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(),
E = Protocols.end(); I != E; ++I)
- if ((MethodDecl = (*I)->lookupClassMethod(Sel)))
+ if ((MethodDecl = (*I)->lookupMethod(Sel, isInstance)))
return MethodDecl;
CatDecl = CatDecl->getNextClassCategory();
}
@@ -239,14 +223,23 @@ ObjCMethodDecl *ObjCInterfaceDecl::lookupClassMethod(Selector Sel) {
return NULL;
}
-
+ObjCMethodDecl *ObjCInterfaceDecl::lookupPrivateInstanceMethod(
+ const Selector &Sel) {
+ ObjCMethodDecl *Method = 0;
+ if (ObjCImplementationDecl *ImpDecl = getImplementation())
+ Method = ImpDecl->getInstanceMethod(Sel);
+
+ if (!Method && getSuperClass())
+ return getSuperClass()->lookupPrivateInstanceMethod(Sel);
+ return Method;
+}
//===----------------------------------------------------------------------===//
// ObjCMethodDecl
//===----------------------------------------------------------------------===//
ObjCMethodDecl *ObjCMethodDecl::Create(ASTContext &C,
- SourceLocation beginLoc,
+ SourceLocation beginLoc,
SourceLocation endLoc,
Selector SelInfo, QualType T,
DeclContext *contextDecl,
@@ -256,14 +249,14 @@ ObjCMethodDecl *ObjCMethodDecl::Create(ASTContext &C,
ImplementationControl impControl) {
return new (C) ObjCMethodDecl(beginLoc, endLoc,
SelInfo, T, contextDecl,
- isInstance,
+ isInstance,
isVariadic, isSynthesized, impControl);
}
void ObjCMethodDecl::Destroy(ASTContext &C) {
if (Body) Body->Destroy(C);
if (SelfDecl) SelfDecl->Destroy(C);
-
+
for (param_iterator I=param_begin(), E=param_end(); I!=E; ++I)
if (*I) (*I)->Destroy(C);
@@ -272,7 +265,57 @@ void ObjCMethodDecl::Destroy(ASTContext &C) {
Decl::Destroy(C);
}
-void ObjCMethodDecl::createImplicitParams(ASTContext &Context,
+/// \brief A definition will return its interface declaration.
+/// An interface declaration will return its definition.
+/// Otherwise it will return itself.
+ObjCMethodDecl *ObjCMethodDecl::getNextRedeclaration() {
+ ASTContext &Ctx = getASTContext();
+ ObjCMethodDecl *Redecl = 0;
+ Decl *CtxD = cast<Decl>(getDeclContext());
+
+ if (ObjCInterfaceDecl *IFD = dyn_cast<ObjCInterfaceDecl>(CtxD)) {
+ if (ObjCImplementationDecl *ImplD = Ctx.getObjCImplementation(IFD))
+ Redecl = ImplD->getMethod(getSelector(), isInstanceMethod());
+
+ } else if (ObjCCategoryDecl *CD = dyn_cast<ObjCCategoryDecl>(CtxD)) {
+ if (ObjCCategoryImplDecl *ImplD = Ctx.getObjCImplementation(CD))
+ Redecl = ImplD->getMethod(getSelector(), isInstanceMethod());
+
+ } else if (ObjCImplementationDecl *ImplD =
+ dyn_cast<ObjCImplementationDecl>(CtxD)) {
+ if (ObjCInterfaceDecl *IFD = ImplD->getClassInterface())
+ Redecl = IFD->getMethod(getSelector(), isInstanceMethod());
+
+ } else if (ObjCCategoryImplDecl *CImplD =
+ dyn_cast<ObjCCategoryImplDecl>(CtxD)) {
+ if (ObjCCategoryDecl *CatD = CImplD->getCategoryClass())
+ Redecl = CatD->getMethod(getSelector(), isInstanceMethod());
+ }
+
+ return Redecl ? Redecl : this;
+}
+
+ObjCMethodDecl *ObjCMethodDecl::getCanonicalDecl() {
+ Decl *CtxD = cast<Decl>(getDeclContext());
+
+ if (ObjCImplementationDecl *ImplD = dyn_cast<ObjCImplementationDecl>(CtxD)) {
+ if (ObjCInterfaceDecl *IFD = ImplD->getClassInterface())
+ if (ObjCMethodDecl *MD = IFD->getMethod(getSelector(),
+ isInstanceMethod()))
+ return MD;
+
+ } else if (ObjCCategoryImplDecl *CImplD =
+ dyn_cast<ObjCCategoryImplDecl>(CtxD)) {
+ if (ObjCCategoryDecl *CatD = CImplD->getCategoryClass())
+ if (ObjCMethodDecl *MD = CatD->getMethod(getSelector(),
+ isInstanceMethod()))
+ return MD;
+ }
+
+ return this;
+}
+
+void ObjCMethodDecl::createImplicitParams(ASTContext &Context,
const ObjCInterfaceDecl *OID) {
QualType selfTy;
if (isInstanceMethod()) {
@@ -280,49 +323,30 @@ void ObjCMethodDecl::createImplicitParams(ASTContext &Context,
// of the interface (which has been reported). Recover gracefully.
if (OID) {
selfTy = Context.getObjCInterfaceType(OID);
- selfTy = Context.getPointerType(selfTy);
+ selfTy = Context.getObjCObjectPointerType(selfTy);
} else {
selfTy = Context.getObjCIdType();
}
} else // we have a factory method.
selfTy = Context.getObjCClassType();
- setSelfDecl(ImplicitParamDecl::Create(Context, this, SourceLocation(),
+ setSelfDecl(ImplicitParamDecl::Create(Context, this, SourceLocation(),
&Context.Idents.get("self"), selfTy));
- setCmdDecl(ImplicitParamDecl::Create(Context, this, SourceLocation(),
- &Context.Idents.get("_cmd"),
+ setCmdDecl(ImplicitParamDecl::Create(Context, this, SourceLocation(),
+ &Context.Idents.get("_cmd"),
Context.getObjCSelType()));
}
-
-
-/// getSynthesizedMethodSize - Compute size of synthesized method name
-/// as done be the rewrite.
-///
-unsigned ObjCMethodDecl::getSynthesizedMethodSize() const {
- // syntesized method name is a concatenation of -/+[class-name selector]
- // Get length of this name.
- unsigned length = 3; // _I_ or _C_
- length += getClassInterface()->getNameAsString().size()+1; // extra for _
- if (const ObjCCategoryImplDecl *CID =
- dyn_cast<ObjCCategoryImplDecl>(getDeclContext()))
- length += CID->getNameAsString().size()+1;
- length += getSelector().getAsString().size(); // selector name
- return length;
-}
-
ObjCInterfaceDecl *ObjCMethodDecl::getClassInterface() {
if (ObjCInterfaceDecl *ID = dyn_cast<ObjCInterfaceDecl>(getDeclContext()))
return ID;
if (ObjCCategoryDecl *CD = dyn_cast<ObjCCategoryDecl>(getDeclContext()))
return CD->getClassInterface();
- if (ObjCImplementationDecl *IMD =
- dyn_cast<ObjCImplementationDecl>(getDeclContext()))
+ if (ObjCImplDecl *IMD = dyn_cast<ObjCImplDecl>(getDeclContext()))
return IMD->getClassInterface();
- if (ObjCCategoryImplDecl *CID =
- dyn_cast<ObjCCategoryImplDecl>(getDeclContext()))
- return CID->getClassInterface();
+
+ assert(!isa<ObjCProtocolDecl>(getDeclContext()) && "It's a protocol method");
assert(false && "unknown method context");
return 0;
}
@@ -334,7 +358,7 @@ ObjCInterfaceDecl *ObjCMethodDecl::getClassInterface() {
ObjCInterfaceDecl *ObjCInterfaceDecl::Create(ASTContext &C,
DeclContext *DC,
SourceLocation atLoc,
- IdentifierInfo *Id,
+ IdentifierInfo *Id,
SourceLocation ClassLoc,
bool ForwardDecl, bool isInternal){
return new (C) ObjCInterfaceDecl(DC, atLoc, Id, ClassLoc, ForwardDecl,
@@ -350,19 +374,28 @@ ObjCInterfaceDecl(DeclContext *DC, SourceLocation atLoc, IdentifierInfo *Id,
ClassLoc(CLoc) {
}
-void ObjCInterfaceDecl::Destroy(ASTContext &C) {
+void ObjCInterfaceDecl::Destroy(ASTContext &C) {
for (ivar_iterator I = ivar_begin(), E = ivar_end(); I != E; ++I)
if (*I) (*I)->Destroy(C);
-
+
IVars.Destroy(C);
// FIXME: CategoryList?
-
+
// FIXME: Because there is no clear ownership
// role between ObjCInterfaceDecls and the ObjCPropertyDecls that they
// reference, we destroy ObjCPropertyDecls in ~TranslationUnit.
Decl::Destroy(C);
}
+ObjCImplementationDecl *ObjCInterfaceDecl::getImplementation() const {
+ return getASTContext().getObjCImplementation(
+ const_cast<ObjCInterfaceDecl*>(this));
+}
+
+void ObjCInterfaceDecl::setImplementation(ObjCImplementationDecl *ImplD) {
+ getASTContext().setObjCImplementation(this, ImplD);
+}
+
/// FindCategoryDeclaration - Finds category declaration in the list of
/// categories for this class and returns it. Name of the category is passed
@@ -377,14 +410,79 @@ ObjCInterfaceDecl::FindCategoryDeclaration(IdentifierInfo *CategoryId) const {
return 0;
}
+ObjCMethodDecl *
+ObjCInterfaceDecl::getCategoryInstanceMethod(Selector Sel) const {
+ for (ObjCCategoryDecl *Category = getCategoryList();
+ Category; Category = Category->getNextClassCategory())
+ if (ObjCCategoryImplDecl *Impl = Category->getImplementation())
+ if (ObjCMethodDecl *MD = Impl->getInstanceMethod(Sel))
+ return MD;
+ return 0;
+}
+
+ObjCMethodDecl *ObjCInterfaceDecl::getCategoryClassMethod(Selector Sel) const {
+ for (ObjCCategoryDecl *Category = getCategoryList();
+ Category; Category = Category->getNextClassCategory())
+ if (ObjCCategoryImplDecl *Impl = Category->getImplementation())
+ if (ObjCMethodDecl *MD = Impl->getClassMethod(Sel))
+ return MD;
+ return 0;
+}
+
+/// ClassImplementsProtocol - Checks that 'lProto' protocol
+/// has been implemented in IDecl class, its super class or categories (if
+/// lookupCategory is true).
+bool ObjCInterfaceDecl::ClassImplementsProtocol(ObjCProtocolDecl *lProto,
+ bool lookupCategory,
+ bool RHSIsQualifiedID) {
+ ObjCInterfaceDecl *IDecl = this;
+ // 1st, look up the class.
+ const ObjCList<ObjCProtocolDecl> &Protocols =
+ IDecl->getReferencedProtocols();
+
+ for (ObjCList<ObjCProtocolDecl>::iterator PI = Protocols.begin(),
+ E = Protocols.end(); PI != E; ++PI) {
+ if (getASTContext().ProtocolCompatibleWithProtocol(lProto, *PI))
+ return true;
+ // This is dubious and is added to be compatible with gcc. In gcc, it is
+ // also allowed assigning a protocol-qualified 'id' type to a LHS object
+ // when protocol in qualified LHS is in list of protocols in the rhs 'id'
+ // object. This IMO, should be a bug.
+ // FIXME: Treat this as an extension, and flag this as an error when GCC
+ // extensions are not enabled.
+ if (RHSIsQualifiedID &&
+ getASTContext().ProtocolCompatibleWithProtocol(*PI, lProto))
+ return true;
+ }
+
+ // 2nd, look up the category.
+ if (lookupCategory)
+ for (ObjCCategoryDecl *CDecl = IDecl->getCategoryList(); CDecl;
+ CDecl = CDecl->getNextClassCategory()) {
+ for (ObjCCategoryDecl::protocol_iterator PI = CDecl->protocol_begin(),
+ E = CDecl->protocol_end(); PI != E; ++PI)
+ if (getASTContext().ProtocolCompatibleWithProtocol(lProto, *PI))
+ return true;
+ }
+
+ // 3rd, look up the super class(s)
+ if (IDecl->getSuperClass())
+ return
+ IDecl->getSuperClass()->ClassImplementsProtocol(lProto, lookupCategory,
+ RHSIsQualifiedID);
+
+ return false;
+}
+
//===----------------------------------------------------------------------===//
// ObjCIvarDecl
//===----------------------------------------------------------------------===//
ObjCIvarDecl *ObjCIvarDecl::Create(ASTContext &C, DeclContext *DC,
SourceLocation L, IdentifierInfo *Id,
- QualType T, AccessControl ac, Expr *BW) {
- return new (C) ObjCIvarDecl(DC, L, Id, T, ac, BW);
+ QualType T, DeclaratorInfo *DInfo,
+ AccessControl ac, Expr *BW) {
+ return new (C) ObjCIvarDecl(DC, L, Id, T, DInfo, ac, BW);
}
@@ -401,7 +499,7 @@ ObjCAtDefsFieldDecl
void ObjCAtDefsFieldDecl::Destroy(ASTContext& C) {
this->~ObjCAtDefsFieldDecl();
- C.Deallocate((void *)this);
+ C.Deallocate((void *)this);
}
//===----------------------------------------------------------------------===//
@@ -409,7 +507,7 @@ void ObjCAtDefsFieldDecl::Destroy(ASTContext& C) {
//===----------------------------------------------------------------------===//
ObjCProtocolDecl *ObjCProtocolDecl::Create(ASTContext &C, DeclContext *DC,
- SourceLocation L,
+ SourceLocation L,
IdentifierInfo *Id) {
return new (C) ObjCProtocolDecl(DC, L, Id);
}
@@ -428,34 +526,21 @@ ObjCProtocolDecl *ObjCProtocolDecl::lookupProtocolNamed(IdentifierInfo *Name) {
for (protocol_iterator I = protocol_begin(), E = protocol_end(); I != E; ++I)
if ((PDecl = (*I)->lookupProtocolNamed(Name)))
return PDecl;
-
- return NULL;
-}
-// lookupInstanceMethod - Lookup a instance method in the protocol and protocols
-// it inherited.
-ObjCMethodDecl *ObjCProtocolDecl::lookupInstanceMethod(Selector Sel) {
- ObjCMethodDecl *MethodDecl = NULL;
-
- if ((MethodDecl = getInstanceMethod(Sel)))
- return MethodDecl;
-
- for (protocol_iterator I = protocol_begin(), E = protocol_end(); I != E; ++I)
- if ((MethodDecl = (*I)->lookupInstanceMethod(Sel)))
- return MethodDecl;
return NULL;
}
-// lookupInstanceMethod - Lookup a class method in the protocol and protocols
+// lookupMethod - Lookup a instance/class method in the protocol and protocols
// it inherited.
-ObjCMethodDecl *ObjCProtocolDecl::lookupClassMethod(Selector Sel) {
+ObjCMethodDecl *ObjCProtocolDecl::lookupMethod(Selector Sel,
+ bool isInstance) const {
ObjCMethodDecl *MethodDecl = NULL;
-
- if ((MethodDecl = getClassMethod(Sel)))
+
+ if ((MethodDecl = getMethod(Sel, isInstance)))
return MethodDecl;
-
+
for (protocol_iterator I = protocol_begin(), E = protocol_end(); I != E; ++I)
- if ((MethodDecl = (*I)->lookupClassMethod(Sel)))
+ if ((MethodDecl = (*I)->lookupMethod(Sel, isInstance)))
return MethodDecl;
return NULL;
}
@@ -464,7 +549,7 @@ ObjCMethodDecl *ObjCProtocolDecl::lookupClassMethod(Selector Sel) {
// ObjCClassDecl
//===----------------------------------------------------------------------===//
-ObjCClassDecl::ObjCClassDecl(DeclContext *DC, SourceLocation L,
+ObjCClassDecl::ObjCClassDecl(DeclContext *DC, SourceLocation L,
ObjCInterfaceDecl *const *Elts, unsigned nElts,
ASTContext &C)
: Decl(ObjCClass, DC, L) {
@@ -480,7 +565,7 @@ ObjCClassDecl *ObjCClassDecl::Create(ASTContext &C, DeclContext *DC,
}
void ObjCClassDecl::Destroy(ASTContext &C) {
-
+
// FIXME: There is no clear ownership policy now for referenced
// ObjCInterfaceDecls. Some of them can be forward declarations that
// are never later defined (in which case the ObjCClassDecl owns them)
@@ -488,7 +573,7 @@ void ObjCClassDecl::Destroy(ASTContext &C) {
// we should have separate objects for forward declarations and definitions,
// obviating this problem. Because of this situation, referenced
// ObjCInterfaceDecls are destroyed in ~TranslationUnit.
-
+
ForwardDecls.Destroy(C);
Decl::Destroy(C);
}
@@ -501,14 +586,14 @@ ObjCForwardProtocolDecl::
ObjCForwardProtocolDecl(DeclContext *DC, SourceLocation L,
ObjCProtocolDecl *const *Elts, unsigned nElts,
ASTContext &C)
-: Decl(ObjCForwardProtocol, DC, L) {
+: Decl(ObjCForwardProtocol, DC, L) {
ReferencedProtocols.set(Elts, nElts, C);
}
ObjCForwardProtocolDecl *
ObjCForwardProtocolDecl::Create(ASTContext &C, DeclContext *DC,
- SourceLocation L,
+ SourceLocation L,
ObjCProtocolDecl *const *Elts,
unsigned NumElts) {
return new (C) ObjCForwardProtocolDecl(DC, L, Elts, NumElts, C);
@@ -529,6 +614,16 @@ ObjCCategoryDecl *ObjCCategoryDecl::Create(ASTContext &C, DeclContext *DC,
return new (C) ObjCCategoryDecl(DC, L, Id);
}
+ObjCCategoryImplDecl *ObjCCategoryDecl::getImplementation() const {
+ return getASTContext().getObjCImplementation(
+ const_cast<ObjCCategoryDecl*>(this));
+}
+
+void ObjCCategoryDecl::setImplementation(ObjCCategoryImplDecl *ImplD) {
+ getASTContext().setObjCImplementation(this, ImplD);
+}
+
+
//===----------------------------------------------------------------------===//
// ObjCCategoryImplDecl
//===----------------------------------------------------------------------===//
@@ -540,6 +635,10 @@ ObjCCategoryImplDecl::Create(ASTContext &C, DeclContext *DC,
return new (C) ObjCCategoryImplDecl(DC, L, Id, ClassInterface);
}
+ObjCCategoryDecl *ObjCCategoryImplDecl::getCategoryClass() const {
+ return getClassInterface()->FindCategoryDeclaration(getIdentifier());
+}
+
void ObjCImplDecl::addPropertyImplementation(ObjCPropertyImplDecl *property) {
// FIXME: The context should be correct before we get here.
@@ -547,6 +646,23 @@ void ObjCImplDecl::addPropertyImplementation(ObjCPropertyImplDecl *property) {
addDecl(property);
}
+void ObjCImplDecl::setClassInterface(ObjCInterfaceDecl *IFace) {
+ ASTContext &Ctx = getASTContext();
+
+ if (ObjCImplementationDecl *ImplD
+ = dyn_cast_or_null<ObjCImplementationDecl>(this)) {
+ if (IFace)
+ Ctx.setObjCImplementation(IFace, ImplD);
+
+ } else if (ObjCCategoryImplDecl *ImplD =
+ dyn_cast_or_null<ObjCCategoryImplDecl>(this)) {
+ if (ObjCCategoryDecl *CD = IFace->FindCategoryDeclaration(getIdentifier()))
+ Ctx.setObjCImplementation(CD, ImplD);
+ }
+
+ ClassInterface = IFace;
+}
+
/// FindPropertyImplIvarDecl - This method lookup the ivar in the list of
/// properties implemented in this category @implementation block and returns
/// the implemented property that uses it.
@@ -576,56 +692,12 @@ FindPropertyImplDecl(IdentifierInfo *Id) const {
return 0;
}
-// getInstanceMethod - This method returns an instance method by looking in
-// the class implementation. Unlike interfaces, we don't look outside the
-// implementation.
-ObjCMethodDecl *ObjCImplDecl::getInstanceMethod(Selector Sel) const {
- // Since instance & class methods can have the same name, the loop below
- // ensures we get the correct method.
- //
- // @interface Whatever
- // - (int) class_method;
- // + (float) class_method;
- // @end
- //
- lookup_const_iterator Meth, MethEnd;
- for (llvm::tie(Meth, MethEnd) = lookup(Sel);
- Meth != MethEnd; ++Meth) {
- ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(*Meth);
- if (MD && MD->isInstanceMethod())
- return MD;
- }
- return 0;
-}
-
-// getClassMethod - This method returns an instance method by looking in
-// the class implementation. Unlike interfaces, we don't look outside the
-// implementation.
-ObjCMethodDecl *ObjCImplDecl::getClassMethod(Selector Sel) const {
- // Since instance & class methods can have the same name, the loop below
- // ensures we get the correct method.
- //
- // @interface Whatever
- // - (int) class_method;
- // + (float) class_method;
- // @end
- //
- lookup_const_iterator Meth, MethEnd;
- for (llvm::tie(Meth, MethEnd) = lookup(Sel);
- Meth != MethEnd; ++Meth) {
- ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(*Meth);
- if (MD && MD->isClassMethod())
- return MD;
- }
- return 0;
-}
-
//===----------------------------------------------------------------------===//
// ObjCImplementationDecl
//===----------------------------------------------------------------------===//
ObjCImplementationDecl *
-ObjCImplementationDecl::Create(ASTContext &C, DeclContext *DC,
+ObjCImplementationDecl::Create(ASTContext &C, DeclContext *DC,
SourceLocation L,
ObjCInterfaceDecl *ClassInterface,
ObjCInterfaceDecl *SuperDecl) {
@@ -639,7 +711,7 @@ ObjCImplementationDecl::Create(ASTContext &C, DeclContext *DC,
ObjCCompatibleAliasDecl *
ObjCCompatibleAliasDecl::Create(ASTContext &C, DeclContext *DC,
SourceLocation L,
- IdentifierInfo *Id,
+ IdentifierInfo *Id,
ObjCInterfaceDecl* AliasedClass) {
return new (C) ObjCCompatibleAliasDecl(DC, L, Id, AliasedClass);
}
diff --git a/lib/AST/DeclPrinter.cpp b/lib/AST/DeclPrinter.cpp
index 12e89cd80d19..9d0d836cf62b 100644
--- a/lib/AST/DeclPrinter.cpp
+++ b/lib/AST/DeclPrinter.cpp
@@ -19,7 +19,6 @@
#include "clang/AST/Expr.h"
#include "clang/AST/PrettyPrinter.h"
#include "llvm/Support/Compiler.h"
-#include "llvm/Support/Streams.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/raw_ostream.h"
using namespace clang;
@@ -34,8 +33,10 @@ namespace {
llvm::raw_ostream& Indent();
void ProcessDeclGroup(llvm::SmallVectorImpl<Decl*>& Decls);
+ void Print(AccessSpecifier AS);
+
public:
- DeclPrinter(llvm::raw_ostream &Out, ASTContext &Context,
+ DeclPrinter(llvm::raw_ostream &Out, ASTContext &Context,
const PrintingPolicy &Policy,
unsigned Indentation = 0)
: Out(Out), Context(Context), Policy(Policy), Indentation(Indentation) { }
@@ -71,17 +72,19 @@ namespace {
void VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *D);
void VisitObjCPropertyDecl(ObjCPropertyDecl *D);
void VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D);
+ void VisitUnresolvedUsingDecl(UnresolvedUsingDecl *D);
+ void VisitUsingDecl(UsingDecl *D);
};
}
-void Decl::print(llvm::raw_ostream &Out, unsigned Indentation) {
+void Decl::print(llvm::raw_ostream &Out, unsigned Indentation) const {
print(Out, getASTContext().PrintingPolicy, Indentation);
}
void Decl::print(llvm::raw_ostream &Out, const PrintingPolicy &Policy,
- unsigned Indentation) {
+ unsigned Indentation) const {
DeclPrinter Printer(Out, getASTContext(), Policy, Indentation);
- Printer.Visit(this);
+ Printer.Visit(const_cast<Decl*>(this));
}
static QualType GetBaseType(QualType T) {
@@ -90,13 +93,13 @@ static QualType GetBaseType(QualType T) {
while (!BaseType->isSpecifierType()) {
if (isa<TypedefType>(BaseType))
break;
- else if (const PointerType* PTy = BaseType->getAsPointerType())
+ else if (const PointerType* PTy = BaseType->getAs<PointerType>())
BaseType = PTy->getPointeeType();
else if (const ArrayType* ATy = dyn_cast<ArrayType>(BaseType))
BaseType = ATy->getElementType();
- else if (const FunctionType* FTy = BaseType->getAsFunctionType())
+ else if (const FunctionType* FTy = BaseType->getAs<FunctionType>())
BaseType = FTy->getResultType();
- else if (const VectorType *VTy = BaseType->getAsVectorType())
+ else if (const VectorType *VTy = BaseType->getAs<VectorType>())
BaseType = VTy->getElementType();
else
assert(0 && "Unknown declarator!");
@@ -146,7 +149,7 @@ void Decl::printGroup(Decl** Begin, unsigned NumDecls,
}
}
-void Decl::dump() {
+void Decl::dump() const {
print(llvm::errs());
}
@@ -164,6 +167,15 @@ void DeclPrinter::ProcessDeclGroup(llvm::SmallVectorImpl<Decl*>& Decls) {
}
+void DeclPrinter::Print(AccessSpecifier AS) {
+ switch(AS) {
+ case AS_none: assert(0 && "No access specifier!"); break;
+ case AS_public: Out << "public"; break;
+ case AS_protected: Out << "protected"; break;
+ case AS_private: Out << " private"; break;
+ }
+}
+
//----------------------------------------------------------------------------
// Common C declarations
//----------------------------------------------------------------------------
@@ -172,6 +184,9 @@ void DeclPrinter::VisitDeclContext(DeclContext *DC, bool Indent) {
if (Indent)
Indentation += Policy.Indentation;
+ bool PrintAccess = isa<CXXRecordDecl>(DC);
+ AccessSpecifier CurAS = AS_none;
+
llvm::SmallVector<Decl*, 2> Decls;
for (DeclContext::decl_iterator D = DC->decls_begin(), DEnd = DC->decls_end();
D != DEnd; ++D) {
@@ -185,6 +200,16 @@ void DeclPrinter::VisitDeclContext(DeclContext *DC, bool Indent) {
continue;
}
+ if (PrintAccess) {
+ AccessSpecifier AS = D->getAccess();
+
+ if (AS != CurAS) {
+ Print(AS);
+ Out << ":\n";
+ CurAS = AS;
+ }
+ }
+
// The next bits of code handles stuff like "struct {int x;} a,b"; we're
// forced to merge the declarations because there's no other way to
// refer to the struct in question. This limited merging is safe without
@@ -215,16 +240,16 @@ void DeclPrinter::VisitDeclContext(DeclContext *DC, bool Indent) {
}
this->Indent();
Visit(*D);
-
- // FIXME: Need to be able to tell the DeclPrinter when
+
+ // FIXME: Need to be able to tell the DeclPrinter when
const char *Terminator = 0;
- if (isa<FunctionDecl>(*D) &&
+ if (isa<FunctionDecl>(*D) &&
cast<FunctionDecl>(*D)->isThisDeclarationADefinition())
Terminator = 0;
else if (isa<ObjCMethodDecl>(*D) && cast<ObjCMethodDecl>(*D)->getBody())
Terminator = 0;
else if (isa<NamespaceDecl>(*D) || isa<LinkageSpecDecl>(*D) ||
- isa<ObjCImplementationDecl>(*D) ||
+ isa<ObjCImplementationDecl>(*D) ||
isa<ObjCInterfaceDecl>(*D) ||
isa<ObjCProtocolDecl>(*D) ||
isa<ObjCCategoryImplDecl>(*D) ||
@@ -274,7 +299,7 @@ void DeclPrinter::VisitRecordDecl(RecordDecl *D) {
Out << " ";
Out << D->getNameAsString();
}
-
+
if (D->isDefinition()) {
Out << " {\n";
VisitDeclContext(D);
@@ -290,7 +315,7 @@ void DeclPrinter::VisitEnumConstantDecl(EnumConstantDecl *D) {
}
}
-void DeclPrinter::VisitFunctionDecl(FunctionDecl *D) {
+void DeclPrinter::VisitFunctionDecl(FunctionDecl *D) {
if (!Policy.SuppressSpecifiers) {
switch (D->getStorageClass()) {
case FunctionDecl::None: break;
@@ -307,7 +332,7 @@ void DeclPrinter::VisitFunctionDecl(FunctionDecl *D) {
SubPolicy.SuppressSpecifiers = false;
std::string Proto = D->getNameAsString();
if (isa<FunctionType>(D->getType().getTypePtr())) {
- const FunctionType *AFT = D->getType()->getAsFunctionType();
+ const FunctionType *AFT = D->getType()->getAs<FunctionType>();
const FunctionProtoType *FT = 0;
if (D->hasWrittenPrototype())
@@ -321,7 +346,7 @@ void DeclPrinter::VisitFunctionDecl(FunctionDecl *D) {
if (i) POut << ", ";
ParamPrinter.VisitParmVarDecl(D->getParamDecl(i));
}
-
+
if (FT->isVariadic()) {
if (D->getNumParams()) POut << ", ";
POut << "...";
@@ -335,7 +360,81 @@ void DeclPrinter::VisitFunctionDecl(FunctionDecl *D) {
}
Proto += ")";
- AFT->getResultType().getAsStringInternal(Proto, Policy);
+ if (D->hasAttr<NoReturnAttr>())
+ Proto += " __attribute((noreturn))";
+ if (CXXConstructorDecl *CDecl = dyn_cast<CXXConstructorDecl>(D)) {
+ if (CDecl->getNumBaseOrMemberInitializers() > 0) {
+ Proto += " : ";
+ Out << Proto;
+ Proto.clear();
+ for (CXXConstructorDecl::init_const_iterator B = CDecl->init_begin(),
+ E = CDecl->init_end();
+ B != E; ++B) {
+ CXXBaseOrMemberInitializer * BMInitializer = (*B);
+ if (B != CDecl->init_begin())
+ Out << ", ";
+ bool hasArguments = (BMInitializer->arg_begin() !=
+ BMInitializer->arg_end());
+ if (BMInitializer->isMemberInitializer()) {
+ FieldDecl *FD = BMInitializer->getMember();
+ Out << FD->getNameAsString();
+ }
+ else // FIXME. skip dependent types for now.
+ if (const RecordType *RT =
+ BMInitializer->getBaseClass()->getAs<RecordType>()) {
+ const CXXRecordDecl *BaseDecl =
+ cast<CXXRecordDecl>(RT->getDecl());
+ Out << BaseDecl->getNameAsString();
+ }
+ if (hasArguments) {
+ Out << "(";
+ for (CXXBaseOrMemberInitializer::const_arg_iterator BE =
+ BMInitializer->const_arg_begin(),
+ EE = BMInitializer->const_arg_end(); BE != EE; ++BE) {
+ if (BE != BMInitializer->const_arg_begin())
+ Out<< ", ";
+ const Expr *Exp = (*BE);
+ Exp->printPretty(Out, Context, 0, Policy, Indentation);
+ }
+ Out << ")";
+ } else
+ Out << "()";
+ }
+ }
+ }
+ else if (CXXDestructorDecl *DDecl = dyn_cast<CXXDestructorDecl>(D)) {
+ if (DDecl->getNumBaseOrMemberDestructions() > 0) {
+ // List order of base/member destruction for visualization purposes.
+ assert (D->isThisDeclarationADefinition() && "Destructor with dtor-list");
+ Proto += "/* : ";
+ for (CXXDestructorDecl::destr_const_iterator *B = DDecl->destr_begin(),
+ *E = DDecl->destr_end();
+ B != E; ++B) {
+ uintptr_t BaseOrMember = (*B);
+ if (B != DDecl->destr_begin())
+ Proto += ", ";
+
+ if (DDecl->isMemberToDestroy(BaseOrMember)) {
+ FieldDecl *FD = DDecl->getMemberToDestroy(BaseOrMember);
+ Proto += "~";
+ Proto += FD->getNameAsString();
+ }
+ else // FIXME. skip dependent types for now.
+ if (const RecordType *RT =
+ DDecl->getAnyBaseClassToDestroy(BaseOrMember)
+ ->getAs<RecordType>()) {
+ const CXXRecordDecl *BaseDecl =
+ cast<CXXRecordDecl>(RT->getDecl());
+ Proto += "~";
+ Proto += BaseDecl->getNameAsString();
+ }
+ Proto += "()";
+ }
+ Proto += " */";
+ }
+ }
+ else
+ AFT->getResultType().getAsStringInternal(Proto, Policy);
} else {
D->getType().getAsStringInternal(Proto, Policy);
}
@@ -423,7 +522,7 @@ void DeclPrinter::VisitFileScopeAsmDecl(FileScopeAsmDecl *D) {
// C++ declarations
//----------------------------------------------------------------------------
void DeclPrinter::VisitOverloadedFunctionDecl(OverloadedFunctionDecl *D) {
- assert(false &&
+ assert(false &&
"OverloadedFunctionDecls aren't really decls and are never printed");
}
@@ -453,28 +552,23 @@ void DeclPrinter::VisitCXXRecordDecl(CXXRecordDecl *D) {
Out << " ";
Out << D->getNameAsString();
}
-
+
if (D->isDefinition()) {
// Print the base classes
if (D->getNumBases()) {
Out << " : ";
- for(CXXRecordDecl::base_class_iterator Base = D->bases_begin(),
- BaseEnd = D->bases_end();
- Base != BaseEnd; ++Base) {
+ for (CXXRecordDecl::base_class_iterator Base = D->bases_begin(),
+ BaseEnd = D->bases_end(); Base != BaseEnd; ++Base) {
if (Base != D->bases_begin())
Out << ", ";
if (Base->isVirtual())
Out << "virtual ";
- switch(Base->getAccessSpecifierAsWritten()) {
- case AS_none: break;
- case AS_public: Out << "public "; break;
- case AS_protected: Out << "protected "; break;
- case AS_private: Out << " private "; break;
- }
-
- Out << Base->getType().getAsString(Policy);
+ AccessSpecifier AS = Base->getAccessSpecifierAsWritten();
+ if (AS != AS_none)
+ Print(AS);
+ Out << " " << Base->getType().getAsString(Policy);
}
}
@@ -483,7 +577,7 @@ void DeclPrinter::VisitCXXRecordDecl(CXXRecordDecl *D) {
Out << " {\n";
VisitDeclContext(D);
Indent() << "}";
- }
+ }
}
void DeclPrinter::VisitLinkageSpecDecl(LinkageSpecDecl *D) {
@@ -507,17 +601,17 @@ void DeclPrinter::VisitLinkageSpecDecl(LinkageSpecDecl *D) {
void DeclPrinter::VisitTemplateDecl(TemplateDecl *D) {
Out << "template <";
-
+
TemplateParameterList *Params = D->getTemplateParameters();
for (unsigned i = 0, e = Params->size(); i != e; ++i) {
if (i != 0)
Out << ", ";
-
+
const Decl *Param = Params->getParam(i);
- if (const TemplateTypeParmDecl *TTP =
+ if (const TemplateTypeParmDecl *TTP =
dyn_cast<TemplateTypeParmDecl>(Param)) {
-
- QualType ParamType =
+
+ QualType ParamType =
Context.getTypeDeclType(const_cast<TemplateTypeParmDecl*>(TTP));
if (TTP->wasDeclaredWithTypename())
@@ -527,14 +621,14 @@ void DeclPrinter::VisitTemplateDecl(TemplateDecl *D) {
if (TTP->isParameterPack())
Out << "... ";
-
+
Out << ParamType.getAsString(Policy);
if (TTP->hasDefaultArgument()) {
Out << " = ";
Out << TTP->getDefaultArgument().getAsString(Policy);
};
- } else if (const NonTypeTemplateParmDecl *NTTP =
+ } else if (const NonTypeTemplateParmDecl *NTTP =
dyn_cast<NonTypeTemplateParmDecl>(Param)) {
Out << NTTP->getType().getAsString(Policy);
@@ -542,15 +636,15 @@ void DeclPrinter::VisitTemplateDecl(TemplateDecl *D) {
Out << ' ';
Out << Name->getName();
}
-
+
if (NTTP->hasDefaultArgument()) {
Out << " = ";
- NTTP->getDefaultArgument()->printPretty(Out, Context, 0, Policy,
+ NTTP->getDefaultArgument()->printPretty(Out, Context, 0, Policy,
Indentation);
}
}
}
-
+
Out << "> ";
Visit(D->getTemplatedDecl());
@@ -572,29 +666,29 @@ void DeclPrinter::VisitObjCClassDecl(ObjCClassDecl *D) {
void DeclPrinter::VisitObjCMethodDecl(ObjCMethodDecl *OMD) {
if (OMD->isInstanceMethod())
Out << "- ";
- else
+ else
Out << "+ ";
if (!OMD->getResultType().isNull())
Out << '(' << OMD->getResultType().getAsString(Policy) << ")";
-
+
std::string name = OMD->getSelector().getAsString();
std::string::size_type pos, lastPos = 0;
for (ObjCMethodDecl::param_iterator PI = OMD->param_begin(),
E = OMD->param_end(); PI != E; ++PI) {
- // FIXME: selector is missing here!
+ // FIXME: selector is missing here!
pos = name.find_first_of(":", lastPos);
Out << " " << name.substr(lastPos, pos - lastPos);
Out << ":(" << (*PI)->getType().getAsString(Policy) << ")"
- << (*PI)->getNameAsString();
+ << (*PI)->getNameAsString();
lastPos = pos + 1;
}
-
+
if (OMD->param_begin() == OMD->param_end())
Out << " " << name;
-
+
if (OMD->isVariadic())
Out << ", ...";
-
+
if (OMD->getBody()) {
Out << ' ';
OMD->getBody()->printPretty(Out, Context, 0, Policy);
@@ -623,7 +717,7 @@ void DeclPrinter::VisitObjCInterfaceDecl(ObjCInterfaceDecl *OID) {
Out << "@interface " << I << " : " << SID->getNameAsString();
else
Out << "@interface " << I;
-
+
// Protocols?
const ObjCList<ObjCProtocolDecl> &Protocols = OID->getReferencedProtocols();
if (!Protocols.empty()) {
@@ -631,22 +725,22 @@ void DeclPrinter::VisitObjCInterfaceDecl(ObjCInterfaceDecl *OID) {
E = Protocols.end(); I != E; ++I)
Out << (I == Protocols.begin() ? '<' : ',') << (*I)->getNameAsString();
}
-
+
if (!Protocols.empty())
Out << "> ";
-
+
if (OID->ivar_size() > 0) {
Out << "{\n";
Indentation += Policy.Indentation;
for (ObjCInterfaceDecl::ivar_iterator I = OID->ivar_begin(),
E = OID->ivar_end(); I != E; ++I) {
Indent() << (*I)->getType().getAsString(Policy)
- << ' ' << (*I)->getNameAsString() << ";\n";
+ << ' ' << (*I)->getNameAsString() << ";\n";
}
Indentation -= Policy.Indentation;
Out << "}\n";
}
-
+
VisitDeclContext(OID, false);
Out << "@end";
// FIXME: implement the rest...
@@ -654,7 +748,7 @@ void DeclPrinter::VisitObjCInterfaceDecl(ObjCInterfaceDecl *OID) {
void DeclPrinter::VisitObjCForwardProtocolDecl(ObjCForwardProtocolDecl *D) {
Out << "@protocol ";
- for (ObjCForwardProtocolDecl::protocol_iterator I = D->protocol_begin(),
+ for (ObjCForwardProtocolDecl::protocol_iterator I = D->protocol_begin(),
E = D->protocol_end();
I != E; ++I) {
if (I != D->protocol_begin()) Out << ", ";
@@ -671,7 +765,7 @@ void DeclPrinter::VisitObjCProtocolDecl(ObjCProtocolDecl *PID) {
void DeclPrinter::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *PID) {
Out << "@implementation "
<< PID->getClassInterface()->getNameAsString()
- << '(' << PID->getNameAsString() << ")\n";
+ << '(' << PID->getNameAsString() << ")\n";
VisitDeclContext(PID, false);
Out << "@end";
@@ -679,18 +773,18 @@ void DeclPrinter::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *PID) {
}
void DeclPrinter::VisitObjCCategoryDecl(ObjCCategoryDecl *PID) {
- Out << "@interface "
+ Out << "@interface "
<< PID->getClassInterface()->getNameAsString()
<< '(' << PID->getNameAsString() << ")\n";
VisitDeclContext(PID, false);
Out << "@end";
-
+
// FIXME: implement the rest...
}
void DeclPrinter::VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *AID) {
- Out << "@compatibility_alias " << AID->getNameAsString()
- << ' ' << AID->getClassInterface()->getNameAsString() << ";\n";
+ Out << "@compatibility_alias " << AID->getNameAsString()
+ << ' ' << AID->getClassInterface()->getNameAsString() << ";\n";
}
/// PrintObjCPropertyDecl - print a property declaration.
@@ -700,17 +794,17 @@ void DeclPrinter::VisitObjCPropertyDecl(ObjCPropertyDecl *PDecl) {
Out << "@required\n";
else if (PDecl->getPropertyImplementation() == ObjCPropertyDecl::Optional)
Out << "@optional\n";
-
+
Out << "@property";
if (PDecl->getPropertyAttributes() != ObjCPropertyDecl::OBJC_PR_noattr) {
bool first = true;
Out << " (";
- if (PDecl->getPropertyAttributes() &
+ if (PDecl->getPropertyAttributes() &
ObjCPropertyDecl::OBJC_PR_readonly) {
Out << (first ? ' ' : ',') << "readonly";
first = false;
}
-
+
if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) {
Out << (first ? ' ' : ',') << "getter = "
<< PDecl->getGetterName().getAsString();
@@ -721,29 +815,29 @@ void DeclPrinter::VisitObjCPropertyDecl(ObjCPropertyDecl *PDecl) {
<< PDecl->getSetterName().getAsString();
first = false;
}
-
+
if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_assign) {
Out << (first ? ' ' : ',') << "assign";
first = false;
}
-
+
if (PDecl->getPropertyAttributes() &
ObjCPropertyDecl::OBJC_PR_readwrite) {
Out << (first ? ' ' : ',') << "readwrite";
first = false;
}
-
+
if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_retain) {
Out << (first ? ' ' : ',') << "retain";
first = false;
}
-
+
if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_copy) {
Out << (first ? ' ' : ',') << "copy";
first = false;
}
-
- if (PDecl->getPropertyAttributes() &
+
+ if (PDecl->getPropertyAttributes() &
ObjCPropertyDecl::OBJC_PR_nonatomic) {
Out << (first ? ' ' : ',') << "nonatomic";
first = false;
@@ -763,3 +857,15 @@ void DeclPrinter::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *PID) {
if (PID->getPropertyIvarDecl())
Out << "=" << PID->getPropertyIvarDecl()->getNameAsString();
}
+
+void DeclPrinter::VisitUsingDecl(UsingDecl *D) {
+ Out << "using ";
+ D->getTargetNestedNameDecl()->print(Out, Policy);
+ Out << D->getTargetDecl()->getNameAsString();
+}
+
+void DeclPrinter::VisitUnresolvedUsingDecl(UnresolvedUsingDecl *D) {
+ Out << "using ";
+ D->getTargetNestedNameSpecifier()->print(Out, Policy);
+ Out << D->getTargetName().getAsString();
+}
diff --git a/lib/AST/DeclTemplate.cpp b/lib/AST/DeclTemplate.cpp
index f1bd1b67d21e..7836b3f827ce 100644
--- a/lib/AST/DeclTemplate.cpp
+++ b/lib/AST/DeclTemplate.cpp
@@ -25,7 +25,7 @@ using namespace clang;
TemplateParameterList::TemplateParameterList(SourceLocation TemplateLoc,
SourceLocation LAngleLoc,
- Decl **Params, unsigned NumParams,
+ NamedDecl **Params, unsigned NumParams,
SourceLocation RAngleLoc)
: TemplateLoc(TemplateLoc), LAngleLoc(LAngleLoc), RAngleLoc(RAngleLoc),
NumParams(NumParams) {
@@ -35,31 +35,32 @@ TemplateParameterList::TemplateParameterList(SourceLocation TemplateLoc,
TemplateParameterList *
TemplateParameterList::Create(ASTContext &C, SourceLocation TemplateLoc,
- SourceLocation LAngleLoc, Decl **Params,
+ SourceLocation LAngleLoc, NamedDecl **Params,
unsigned NumParams, SourceLocation RAngleLoc) {
- unsigned Size = sizeof(TemplateParameterList) + sizeof(Decl *) * NumParams;
+ unsigned Size = sizeof(TemplateParameterList)
+ + sizeof(NamedDecl *) * NumParams;
unsigned Align = llvm::AlignOf<TemplateParameterList>::Alignment;
void *Mem = C.Allocate(Size, Align);
- return new (Mem) TemplateParameterList(TemplateLoc, LAngleLoc, Params,
+ return new (Mem) TemplateParameterList(TemplateLoc, LAngleLoc, Params,
NumParams, RAngleLoc);
}
unsigned TemplateParameterList::getMinRequiredArguments() const {
unsigned NumRequiredArgs = size();
- iterator Param = const_cast<TemplateParameterList *>(this)->end(),
+ iterator Param = const_cast<TemplateParameterList *>(this)->end(),
ParamBegin = const_cast<TemplateParameterList *>(this)->begin();
while (Param != ParamBegin) {
--Param;
-
+
if (!(*Param)->isTemplateParameterPack() &&
- !(isa<TemplateTypeParmDecl>(*Param) &&
+ !(isa<TemplateTypeParmDecl>(*Param) &&
cast<TemplateTypeParmDecl>(*Param)->hasDefaultArgument()) &&
!(isa<NonTypeTemplateParmDecl>(*Param) &&
cast<NonTypeTemplateParmDecl>(*Param)->hasDefaultArgument()) &&
!(isa<TemplateTemplateParmDecl>(*Param) &&
cast<TemplateTemplateParmDecl>(*Param)->hasDefaultArgument()))
break;
-
+
--NumRequiredArgs;
}
@@ -94,16 +95,23 @@ void FunctionTemplateDecl::Destroy(ASTContext &C) {
Spec != SpecEnd; ++Spec)
C.Deallocate(&*Spec);
}
-
+
Decl::Destroy(C);
}
+FunctionTemplateDecl *FunctionTemplateDecl::getCanonicalDecl() {
+ FunctionTemplateDecl *FunTmpl = this;
+ while (FunTmpl->getPreviousDeclaration())
+ FunTmpl = FunTmpl->getPreviousDeclaration();
+ return FunTmpl;
+}
+
FunctionTemplateDecl::Common *FunctionTemplateDecl::getCommonPtr() {
// Find the first declaration of this function template.
FunctionTemplateDecl *First = this;
while (First->getPreviousDeclaration())
First = First->getPreviousDeclaration();
-
+
if (First->CommonOrPrev.isNull()) {
// FIXME: Allocate with the ASTContext
First->CommonOrPrev = new Common;
@@ -115,6 +123,13 @@ FunctionTemplateDecl::Common *FunctionTemplateDecl::getCommonPtr() {
// ClassTemplateDecl Implementation
//===----------------------------------------------------------------------===//
+ClassTemplateDecl *ClassTemplateDecl::getCanonicalDecl() {
+ ClassTemplateDecl *Template = this;
+ while (Template->getPreviousDeclaration())
+ Template = Template->getPreviousDeclaration();
+ return Template;
+}
+
ClassTemplateDecl *ClassTemplateDecl::Create(ASTContext &C,
DeclContext *DC,
SourceLocation L,
@@ -128,7 +143,7 @@ ClassTemplateDecl *ClassTemplateDecl::Create(ASTContext &C,
else
CommonPtr = new (C) Common;
- return new (C) ClassTemplateDecl(DC, L, Name, Params, Decl, PrevDecl,
+ return new (C) ClassTemplateDecl(DC, L, Name, Params, Decl, PrevDecl,
CommonPtr);
}
@@ -147,6 +162,21 @@ void ClassTemplateDecl::Destroy(ASTContext& C) {
C.Deallocate((void*)this);
}
+ClassTemplatePartialSpecializationDecl *
+ClassTemplateDecl::findPartialSpecialization(QualType T) {
+ ASTContext &Context = getASTContext();
+ typedef llvm::FoldingSet<ClassTemplatePartialSpecializationDecl>::iterator
+ partial_spec_iterator;
+ for (partial_spec_iterator P = getPartialSpecializations().begin(),
+ PEnd = getPartialSpecializations().end();
+ P != PEnd; ++P) {
+ if (Context.hasSameType(Context.getTypeDeclType(&*P), T))
+ return &*P;
+ }
+
+ return 0;
+}
+
QualType ClassTemplateDecl::getInjectedClassNameType(ASTContext &Context) {
if (!CommonPtr->InjectedClassNameType.isNull())
return CommonPtr->InjectedClassNameType;
@@ -157,52 +187,32 @@ QualType ClassTemplateDecl::getInjectedClassNameType(ASTContext &Context) {
// better to fix that redundancy.
TemplateParameterList *Params = getTemplateParameters();
-
llvm::SmallVector<TemplateArgument, 16> TemplateArgs;
- llvm::SmallVector<TemplateArgument, 16> CanonTemplateArgs;
TemplateArgs.reserve(Params->size());
- CanonTemplateArgs.reserve(Params->size());
-
- for (TemplateParameterList::iterator
- Param = Params->begin(), ParamEnd = Params->end();
+ for (TemplateParameterList::iterator Param = Params->begin(),
+ ParamEnd = Params->end();
Param != ParamEnd; ++Param) {
if (isa<TemplateTypeParmDecl>(*Param)) {
QualType ParamType = Context.getTypeDeclType(cast<TypeDecl>(*Param));
- TemplateArgs.push_back(TemplateArgument((*Param)->getLocation(),
+ TemplateArgs.push_back(TemplateArgument((*Param)->getLocation(),
ParamType));
- CanonTemplateArgs.push_back(
- TemplateArgument((*Param)->getLocation(),
- Context.getCanonicalType(ParamType)));
- } else if (NonTypeTemplateParmDecl *NTTP =
+ } else if (NonTypeTemplateParmDecl *NTTP =
dyn_cast<NonTypeTemplateParmDecl>(*Param)) {
- // FIXME: Build canonical expression, too!
Expr *E = new (Context) DeclRefExpr(NTTP, NTTP->getType(),
NTTP->getLocation(),
NTTP->getType()->isDependentType(),
/*Value-dependent=*/true);
TemplateArgs.push_back(TemplateArgument(E));
- CanonTemplateArgs.push_back(TemplateArgument(E));
- } else {
+ } else {
TemplateTemplateParmDecl *TTP = cast<TemplateTemplateParmDecl>(*Param);
TemplateArgs.push_back(TemplateArgument(TTP->getLocation(), TTP));
- CanonTemplateArgs.push_back(TemplateArgument(TTP->getLocation(),
- Context.getCanonicalDecl(TTP)));
}
}
- // FIXME: I should really move the "build-the-canonical-type" logic
- // into ASTContext::getTemplateSpecializationType.
- TemplateName Name = TemplateName(this);
- QualType CanonType = Context.getTemplateSpecializationType(
- Context.getCanonicalTemplateName(Name),
- &CanonTemplateArgs[0],
- CanonTemplateArgs.size());
-
CommonPtr->InjectedClassNameType
- = Context.getTemplateSpecializationType(Name,
+ = Context.getTemplateSpecializationType(TemplateName(this),
&TemplateArgs[0],
- TemplateArgs.size(),
- CanonType);
+ TemplateArgs.size());
return CommonPtr->InjectedClassNameType;
}
@@ -227,14 +237,13 @@ NonTypeTemplateParmDecl *
NonTypeTemplateParmDecl::Create(ASTContext &C, DeclContext *DC,
SourceLocation L, unsigned D, unsigned P,
IdentifierInfo *Id, QualType T,
- SourceLocation TypeSpecStartLoc) {
- return new (C) NonTypeTemplateParmDecl(DC, L, D, P, Id, T,
- TypeSpecStartLoc);
+ DeclaratorInfo *DInfo) {
+ return new (C) NonTypeTemplateParmDecl(DC, L, D, P, Id, T, DInfo);
}
SourceLocation NonTypeTemplateParmDecl::getDefaultArgumentLoc() const {
return DefaultArgument? DefaultArgument->getSourceRange().getBegin()
- : SourceLocation();
+ : SourceLocation();
}
//===----------------------------------------------------------------------===//
@@ -251,7 +260,7 @@ TemplateTemplateParmDecl::Create(ASTContext &C, DeclContext *DC,
SourceLocation TemplateTemplateParmDecl::getDefaultArgumentLoc() const {
return DefaultArgument? DefaultArgument->getSourceRange().getBegin()
- : SourceLocation();
+ : SourceLocation();
}
//===----------------------------------------------------------------------===//
@@ -264,10 +273,10 @@ TemplateArgument::TemplateArgument(Expr *E) : Kind(Expression) {
}
/// \brief Construct a template argument pack.
-void TemplateArgument::setArgumentPack(TemplateArgument *args, unsigned NumArgs,
+void TemplateArgument::setArgumentPack(TemplateArgument *args, unsigned NumArgs,
bool CopyArgs) {
assert(isNull() && "Must call setArgumentPack on a null argument");
-
+
Kind = Pack;
Args.NumArgs = NumArgs;
Args.CopyArgs = CopyArgs;
@@ -275,7 +284,8 @@ void TemplateArgument::setArgumentPack(TemplateArgument *args, unsigned NumArgs,
Args.Args = args;
return;
}
-
+
+ // FIXME: Allocate in ASTContext
Args.Args = new TemplateArgument[NumArgs];
for (unsigned I = 0; I != Args.NumArgs; ++I)
Args.Args[I] = args[I];
@@ -292,21 +302,21 @@ void TemplateArgumentListBuilder::Append(const TemplateArgument& Arg) {
assert(Arg.getAsType()->isCanonical() && "Type must be canonical!");
break;
}
-
+
assert(NumFlatArgs < MaxFlatArgs && "Argument list builder is full!");
- assert(!StructuredArgs &&
+ assert(!StructuredArgs &&
"Can't append arguments when an argument pack has been added!");
-
+
if (!FlatArgs)
FlatArgs = new TemplateArgument[MaxFlatArgs];
-
+
FlatArgs[NumFlatArgs++] = Arg;
}
void TemplateArgumentListBuilder::BeginPack() {
assert(!AddingToPack && "Already adding to pack!");
assert(!StructuredArgs && "Argument list already contains a pack!");
-
+
AddingToPack = true;
PackBeginIndex = NumFlatArgs;
}
@@ -314,24 +324,24 @@ void TemplateArgumentListBuilder::BeginPack() {
void TemplateArgumentListBuilder::EndPack() {
assert(AddingToPack && "Not adding to pack!");
assert(!StructuredArgs && "Argument list already contains a pack!");
-
+
AddingToPack = false;
StructuredArgs = new TemplateArgument[MaxStructuredArgs];
-
+
// First copy the flat entries over to the list (if any)
for (unsigned I = 0; I != PackBeginIndex; ++I) {
NumStructuredArgs++;
StructuredArgs[I] = FlatArgs[I];
}
-
+
// Next, set the pack.
TemplateArgument *PackArgs = 0;
unsigned NumPackArgs = NumFlatArgs - PackBeginIndex;
if (NumPackArgs)
PackArgs = &FlatArgs[PackBeginIndex];
-
- StructuredArgs[NumStructuredArgs++].setArgumentPack(PackArgs, NumPackArgs,
+
+ StructuredArgs[NumStructuredArgs++].setArgumentPack(PackArgs, NumPackArgs,
/*CopyArgs=*/false);
}
@@ -350,19 +360,25 @@ void TemplateArgumentListBuilder::ReleaseArgs() {
TemplateArgumentList::TemplateArgumentList(ASTContext &Context,
TemplateArgumentListBuilder &Builder,
bool TakeArgs)
- : FlatArguments(Builder.getFlatArguments(), TakeArgs),
- NumFlatArguments(Builder.flatSize()),
+ : FlatArguments(Builder.getFlatArguments(), TakeArgs),
+ NumFlatArguments(Builder.flatSize()),
StructuredArguments(Builder.getStructuredArguments(), TakeArgs),
NumStructuredArguments(Builder.structuredSize()) {
-
+
if (!TakeArgs)
return;
-
+
if (Builder.getStructuredArguments() == Builder.getFlatArguments())
StructuredArguments.setInt(0);
Builder.ReleaseArgs();
}
+TemplateArgumentList::TemplateArgumentList(const TemplateArgumentList &Other)
+ : FlatArguments(Other.FlatArguments.getPointer(), 1),
+ NumFlatArguments(Other.flat_size()),
+ StructuredArguments(Other.StructuredArguments.getPointer(), 1),
+ NumStructuredArguments(Other.NumStructuredArguments) { }
+
TemplateArgumentList::~TemplateArgumentList() {
// FIXME: Deallocate template arguments
}
@@ -374,34 +390,66 @@ ClassTemplateSpecializationDecl::
ClassTemplateSpecializationDecl(ASTContext &Context, Kind DK,
DeclContext *DC, SourceLocation L,
ClassTemplateDecl *SpecializedTemplate,
- TemplateArgumentListBuilder &Builder)
- : CXXRecordDecl(DK,
- SpecializedTemplate->getTemplatedDecl()->getTagKind(),
+ TemplateArgumentListBuilder &Builder,
+ ClassTemplateSpecializationDecl *PrevDecl)
+ : CXXRecordDecl(DK,
+ SpecializedTemplate->getTemplatedDecl()->getTagKind(),
DC, L,
// FIXME: Should we use DeclarationName for the name of
// class template specializations?
- SpecializedTemplate->getIdentifier()),
+ SpecializedTemplate->getIdentifier(),
+ PrevDecl),
SpecializedTemplate(SpecializedTemplate),
TemplateArgs(Context, Builder, /*TakeArgs=*/true),
SpecializationKind(TSK_Undeclared) {
}
-
+
ClassTemplateSpecializationDecl *
-ClassTemplateSpecializationDecl::Create(ASTContext &Context,
+ClassTemplateSpecializationDecl::Create(ASTContext &Context,
DeclContext *DC, SourceLocation L,
ClassTemplateDecl *SpecializedTemplate,
TemplateArgumentListBuilder &Builder,
ClassTemplateSpecializationDecl *PrevDecl) {
ClassTemplateSpecializationDecl *Result
- = new (Context)ClassTemplateSpecializationDecl(Context,
+ = new (Context)ClassTemplateSpecializationDecl(Context,
ClassTemplateSpecialization,
- DC, L,
+ DC, L,
SpecializedTemplate,
- Builder);
+ Builder,
+ PrevDecl);
Context.getTypeDeclType(Result, PrevDecl);
return Result;
}
+void ClassTemplateSpecializationDecl::Destroy(ASTContext &C) {
+ if (SpecializedPartialSpecialization *PartialSpec
+ = SpecializedTemplate.dyn_cast<SpecializedPartialSpecialization*>())
+ C.Deallocate(PartialSpec);
+
+ CXXRecordDecl::Destroy(C);
+}
+
+void
+ClassTemplateSpecializationDecl::getNameForDiagnostic(std::string &S,
+ const PrintingPolicy &Policy,
+ bool Qualified) const {
+ NamedDecl::getNameForDiagnostic(S, Policy, Qualified);
+
+ const TemplateArgumentList &TemplateArgs = getTemplateArgs();
+ S += TemplateSpecializationType::PrintTemplateArgumentList(
+ TemplateArgs.getFlatArgumentList(),
+ TemplateArgs.flat_size(),
+ Policy);
+}
+
+ClassTemplateDecl *
+ClassTemplateSpecializationDecl::getSpecializedTemplate() const {
+ if (SpecializedPartialSpecialization *PartialSpec
+ = SpecializedTemplate.dyn_cast<SpecializedPartialSpecialization*>())
+ return PartialSpec->PartialSpecialization->getSpecializedTemplate();
+ return SpecializedTemplate.get<ClassTemplateDecl*>();
+}
+
//===----------------------------------------------------------------------===//
// ClassTemplatePartialSpecializationDecl Implementation
//===----------------------------------------------------------------------===//
@@ -413,11 +461,27 @@ Create(ASTContext &Context, DeclContext *DC, SourceLocation L,
TemplateArgumentListBuilder &Builder,
ClassTemplatePartialSpecializationDecl *PrevDecl) {
ClassTemplatePartialSpecializationDecl *Result
- = new (Context)ClassTemplatePartialSpecializationDecl(Context,
+ = new (Context)ClassTemplatePartialSpecializationDecl(Context,
DC, L, Params,
SpecializedTemplate,
- Builder);
+ Builder, PrevDecl);
Result->setSpecializationKind(TSK_ExplicitSpecialization);
Context.getTypeDeclType(Result, PrevDecl);
return Result;
}
+
+//===----------------------------------------------------------------------===//
+// FriendTemplateDecl Implementation
+//===----------------------------------------------------------------------===//
+
+FriendTemplateDecl *FriendTemplateDecl::Create(ASTContext &Context,
+ DeclContext *DC,
+ SourceLocation L,
+ unsigned NParams,
+ TemplateParameterList **Params,
+ FriendUnion Friend,
+ SourceLocation FLoc) {
+ FriendTemplateDecl *Result
+ = new (Context) FriendTemplateDecl(DC, L, NParams, Params, Friend, FLoc);
+ return Result;
+}
diff --git a/lib/AST/DeclarationName.cpp b/lib/AST/DeclarationName.cpp
index a17abde77730..101ddd250933 100644
--- a/lib/AST/DeclarationName.cpp
+++ b/lib/AST/DeclarationName.cpp
@@ -23,7 +23,7 @@ namespace clang {
/// CXXSpecialName - Records the type associated with one of the
/// "special" kinds of declaration names in C++, e.g., constructors,
/// destructors, and conversion functions.
-class CXXSpecialName
+class CXXSpecialName
: public DeclarationNameExtra, public llvm::FoldingSetNode {
public:
/// Type - The type associated with this declaration name.
@@ -40,7 +40,7 @@ public:
};
/// CXXOperatorIdName - Contains extra information for the name of an
-/// overloaded operator in C++, such as "operator+.
+/// overloaded operator in C++, such as "operator+.
class CXXOperatorIdName : public DeclarationNameExtra {
public:
/// FETokenInfo - Extra information associated with this operator
@@ -93,13 +93,13 @@ DeclarationName::NameKind DeclarationName::getNameKind() const {
case StoredDeclarationNameExtra:
switch (getExtra()->ExtraKindOrNumArgs) {
- case DeclarationNameExtra::CXXConstructor:
+ case DeclarationNameExtra::CXXConstructor:
return CXXConstructorName;
- case DeclarationNameExtra::CXXDestructor:
+ case DeclarationNameExtra::CXXDestructor:
return CXXDestructorName;
- case DeclarationNameExtra::CXXConversionFunction:
+ case DeclarationNameExtra::CXXConversionFunction:
return CXXConversionFunctionName;
case DeclarationNameExtra::CXXUsingDirective:
@@ -107,7 +107,7 @@ DeclarationName::NameKind DeclarationName::getNameKind() const {
default:
// Check if we have one of the CXXOperator* enumeration values.
- if (getExtra()->ExtraKindOrNumArgs <
+ if (getExtra()->ExtraKindOrNumArgs <
DeclarationNameExtra::CXXUsingDirective)
return CXXOperatorName;
@@ -135,7 +135,7 @@ std::string DeclarationName::getAsString() const {
case CXXConstructorName: {
QualType ClassType = getCXXNameType();
- if (const RecordType *ClassRec = ClassType->getAsRecordType())
+ if (const RecordType *ClassRec = ClassType->getAs<RecordType>())
return ClassRec->getDecl()->getNameAsString();
return ClassType.getAsString();
}
@@ -143,7 +143,7 @@ std::string DeclarationName::getAsString() const {
case CXXDestructorName: {
std::string Result = "~";
QualType Type = getCXXNameType();
- if (const RecordType *Rec = Type->getAsRecordType())
+ if (const RecordType *Rec = Type->getAs<RecordType>())
Result += Rec->getDecl()->getNameAsString();
else
Result += Type.getAsString();
@@ -159,7 +159,7 @@ std::string DeclarationName::getAsString() const {
};
const char *OpName = OperatorNames[getCXXOverloadedOperator()];
assert(OpName && "not an overloaded operator");
-
+
std::string Result = "operator";
if (OpName[0] >= 'a' && OpName[0] <= 'z')
Result += ' ';
@@ -170,7 +170,7 @@ std::string DeclarationName::getAsString() const {
case CXXConversionFunctionName: {
std::string Result = "operator ";
QualType Type = getCXXNameType();
- if (const RecordType *Rec = Type->getAsRecordType())
+ if (const RecordType *Rec = Type->getAs<RecordType>())
Result += Rec->getDecl()->getNameAsString();
else
Result += Type.getAsString();
@@ -193,7 +193,7 @@ QualType DeclarationName::getCXXNameType() const {
OverloadedOperatorKind DeclarationName::getCXXOverloadedOperator() const {
if (CXXOperatorIdName *CXXOp = getAsCXXOperatorIdName()) {
- unsigned value
+ unsigned value
= CXXOp->ExtraKindOrNumArgs - DeclarationNameExtra::CXXConversionFunction;
return static_cast<OverloadedOperatorKind>(value);
} else {
@@ -276,7 +276,7 @@ DeclarationNameTable::DeclarationNameTable() {
// Initialize the overloaded operator names.
CXXOperatorNames = new CXXOperatorIdName[NUM_OVERLOADED_OPERATORS];
for (unsigned Op = 0; Op < NUM_OVERLOADED_OPERATORS; ++Op) {
- CXXOperatorNames[Op].ExtraKindOrNumArgs
+ CXXOperatorNames[Op].ExtraKindOrNumArgs
= Op + DeclarationNameExtra::CXXConversionFunction;
CXXOperatorNames[Op].FETokenInfo = 0;
}
@@ -296,26 +296,24 @@ DeclarationNameTable::~DeclarationNameTable() {
delete [] CXXOperatorNames;
}
-DeclarationName
-DeclarationNameTable::getCXXSpecialName(DeclarationName::NameKind Kind,
- QualType Ty) {
+DeclarationName
+DeclarationNameTable::getCXXSpecialName(DeclarationName::NameKind Kind,
+ CanQualType Ty) {
assert(Kind >= DeclarationName::CXXConstructorName &&
Kind <= DeclarationName::CXXConversionFunctionName &&
"Kind must be a C++ special name kind");
- assert(Ty->isCanonical() &&
- "Can only build C++ special names from canonical types");
- llvm::FoldingSet<CXXSpecialName> *SpecialNames
+ llvm::FoldingSet<CXXSpecialName> *SpecialNames
= static_cast<llvm::FoldingSet<CXXSpecialName>*>(CXXSpecialNamesImpl);
DeclarationNameExtra::ExtraKind EKind;
switch (Kind) {
- case DeclarationName::CXXConstructorName:
+ case DeclarationName::CXXConstructorName:
EKind = DeclarationNameExtra::CXXConstructor;
- assert(Ty.getCVRQualifiers() == 0 &&"Constructor type must be unqualified");
+ assert(!Ty.hasQualifiers() &&"Constructor type must be unqualified");
break;
case DeclarationName::CXXDestructorName:
EKind = DeclarationNameExtra::CXXDestructor;
- assert(Ty.getCVRQualifiers() == 0 && "Destructor type must be unqualified");
+ assert(!Ty.hasQualifiers() && "Destructor type must be unqualified");
break;
case DeclarationName::CXXConversionFunctionName:
EKind = DeclarationNameExtra::CXXConversionFunction;
@@ -342,12 +340,12 @@ DeclarationNameTable::getCXXSpecialName(DeclarationName::NameKind Kind,
return DeclarationName(SpecialName);
}
-DeclarationName
+DeclarationName
DeclarationNameTable::getCXXOperatorName(OverloadedOperatorKind Op) {
return DeclarationName(&CXXOperatorNames[(unsigned)Op]);
}
-unsigned
+unsigned
llvm::DenseMapInfo<clang::DeclarationName>::
getHashValue(clang::DeclarationName N) {
return DenseMapInfo<void*>::getHashValue(N.getAsOpaquePtr());
diff --git a/lib/AST/Expr.cpp b/lib/AST/Expr.cpp
index 482e1062d88c..0e4a29f916fa 100644
--- a/lib/AST/Expr.cpp
+++ b/lib/AST/Expr.cpp
@@ -12,6 +12,7 @@
//===----------------------------------------------------------------------===//
#include "clang/AST/Expr.h"
+#include "clang/AST/ExprCXX.h"
#include "clang/AST/APValue.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/DeclObjC.h"
@@ -21,6 +22,7 @@
#include "clang/AST/StmtVisitor.h"
#include "clang/Basic/Builtins.h"
#include "clang/Basic/TargetInfo.h"
+#include "llvm/Support/raw_ostream.h"
#include <algorithm>
using namespace clang;
@@ -28,34 +30,80 @@ using namespace clang;
// Primary Expressions.
//===----------------------------------------------------------------------===//
-PredefinedExpr* PredefinedExpr::Clone(ASTContext &C) const {
- return new (C) PredefinedExpr(Loc, getType(), Type);
-}
+// FIXME: Maybe this should use DeclPrinter with a special "print predefined
+// expr" policy instead.
+std::string PredefinedExpr::ComputeName(ASTContext &Context, IdentType IT,
+ const Decl *CurrentDecl) {
+ if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(CurrentDecl)) {
+ if (IT != PrettyFunction)
+ return FD->getNameAsString();
-IntegerLiteral* IntegerLiteral::Clone(ASTContext &C) const {
- return new (C) IntegerLiteral(Value, getType(), Loc);
-}
+ llvm::SmallString<256> Name;
+ llvm::raw_svector_ostream Out(Name);
-CharacterLiteral* CharacterLiteral::Clone(ASTContext &C) const {
- return new (C) CharacterLiteral(Value, IsWide, getType(), Loc);
-}
+ if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) {
+ if (MD->isVirtual())
+ Out << "virtual ";
+ }
-FloatingLiteral* FloatingLiteral::Clone(ASTContext &C) const {
- return new (C) FloatingLiteral(Value, IsExact, getType(), Loc);
-}
+ PrintingPolicy Policy(Context.getLangOptions());
+ Policy.SuppressTagKind = true;
-ImaginaryLiteral* ImaginaryLiteral::Clone(ASTContext &C) const {
- // FIXME: Use virtual Clone(), once it is available
- Expr *ClonedVal = 0;
- if (const IntegerLiteral *IntLit = dyn_cast<IntegerLiteral>(Val))
- ClonedVal = IntLit->Clone(C);
- else
- ClonedVal = cast<FloatingLiteral>(Val)->Clone(C);
- return new (C) ImaginaryLiteral(ClonedVal, getType());
-}
+ std::string Proto = FD->getQualifiedNameAsString(Policy);
+
+ const FunctionType *AFT = FD->getType()->getAs<FunctionType>();
+ const FunctionProtoType *FT = 0;
+ if (FD->hasWrittenPrototype())
+ FT = dyn_cast<FunctionProtoType>(AFT);
+
+ Proto += "(";
+ if (FT) {
+ llvm::raw_string_ostream POut(Proto);
+ for (unsigned i = 0, e = FD->getNumParams(); i != e; ++i) {
+ if (i) POut << ", ";
+ std::string Param;
+ FD->getParamDecl(i)->getType().getAsStringInternal(Param, Policy);
+ POut << Param;
+ }
+
+ if (FT->isVariadic()) {
+ if (FD->getNumParams()) POut << ", ";
+ POut << "...";
+ }
+ }
+ Proto += ")";
+
+ AFT->getResultType().getAsStringInternal(Proto, Policy);
+
+ Out << Proto;
+
+ Out.flush();
+ return Name.str().str();
+ }
+ if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(CurrentDecl)) {
+ llvm::SmallString<256> Name;
+ llvm::raw_svector_ostream Out(Name);
+ Out << (MD->isInstanceMethod() ? '-' : '+');
+ Out << '[';
+ Out << MD->getClassInterface()->getNameAsString();
+ if (const ObjCCategoryImplDecl *CID =
+ dyn_cast<ObjCCategoryImplDecl>(MD->getDeclContext())) {
+ Out << '(';
+ Out << CID->getNameAsString();
+ Out << ')';
+ }
+ Out << ' ';
+ Out << MD->getSelector().getAsString();
+ Out << ']';
-GNUNullExpr* GNUNullExpr::Clone(ASTContext &C) const {
- return new (C) GNUNullExpr(getType(), TokenLoc);
+ Out.flush();
+ return Name.str().str();
+ }
+ if (isa<TranslationUnitDecl>(CurrentDecl) && IT == PrettyFunction) {
+ // __PRETTY_FUNCTION__ -> "top level", the others produce an empty string.
+ return "top level";
+ }
+ return "";
}
/// getValueAsApproximateDouble - This returns the value as an inaccurate
@@ -72,7 +120,7 @@ double FloatingLiteral::getValueAsApproximateDouble() const {
StringLiteral *StringLiteral::Create(ASTContext &C, const char *StrData,
unsigned ByteLength, bool Wide,
QualType Ty,
- const SourceLocation *Loc,
+ const SourceLocation *Loc,
unsigned NumStrs) {
// Allocate enough space for the StringLiteral plus an array of locations for
// any concatenated string tokens.
@@ -80,7 +128,7 @@ StringLiteral *StringLiteral::Create(ASTContext &C, const char *StrData,
sizeof(SourceLocation)*(NumStrs-1),
llvm::alignof<StringLiteral>());
StringLiteral *SL = new (Mem) StringLiteral(Ty);
-
+
// OPTIMIZE: could allocate this appended to the StringLiteral.
char *AStrData = new (C, 1) char[ByteLength];
memcpy(AStrData, StrData, ByteLength);
@@ -106,25 +154,19 @@ StringLiteral *StringLiteral::CreateEmpty(ASTContext &C, unsigned NumStrs) {
return SL;
}
-StringLiteral* StringLiteral::Clone(ASTContext &C) const {
- return Create(C, StrData, ByteLength, IsWide, getType(),
- TokLocs, NumConcatenated);
-}
-
-void StringLiteral::Destroy(ASTContext &C) {
+void StringLiteral::DoDestroy(ASTContext &C) {
C.Deallocate(const_cast<char*>(StrData));
- this->~StringLiteral();
- C.Deallocate(this);
+ Expr::DoDestroy(C);
}
-void StringLiteral::setStrData(ASTContext &C, const char *Str, unsigned Len) {
+void StringLiteral::setString(ASTContext &C, llvm::StringRef Str) {
if (StrData)
C.Deallocate(const_cast<char*>(StrData));
- char *AStrData = new (C, 1) char[Len];
- memcpy(AStrData, Str, Len);
+ char *AStrData = new (C, 1) char[Str.size()];
+ memcpy(AStrData, Str.data(), Str.size());
StrData = AStrData;
- ByteLength = Len;
+ ByteLength = Str.size();
}
/// getOpcodeStr - Turn an Opcode enum value into the punctuation char it
@@ -149,7 +191,7 @@ const char *UnaryOperator::getOpcodeStr(Opcode Op) {
}
}
-UnaryOperator::Opcode
+UnaryOperator::Opcode
UnaryOperator::getOverloadedOpcode(OverloadedOperatorKind OO, bool Postfix) {
switch (OO) {
default: assert(false && "No unary operator for overloaded function");
@@ -185,11 +227,11 @@ OverloadedOperatorKind UnaryOperator::getOverloadedOperator(Opcode Opc) {
CallExpr::CallExpr(ASTContext& C, StmtClass SC, Expr *fn, Expr **args,
unsigned numargs, QualType t, SourceLocation rparenloc)
- : Expr(SC, t,
+ : Expr(SC, t,
fn->isTypeDependent() || hasAnyTypeDependentArguments(args, numargs),
fn->isValueDependent() || hasAnyValueDependentArguments(args,numargs)),
NumArgs(numargs) {
-
+
SubExprs = new (C) Stmt*[numargs+1];
SubExprs[FN] = fn;
for (unsigned i = 0; i != numargs; ++i)
@@ -213,25 +255,33 @@ CallExpr::CallExpr(ASTContext& C, Expr *fn, Expr **args, unsigned numargs,
RParenLoc = rparenloc;
}
-CallExpr::CallExpr(ASTContext &C, EmptyShell Empty)
- : Expr(CallExprClass, Empty), SubExprs(0), NumArgs(0) {
+CallExpr::CallExpr(ASTContext &C, StmtClass SC, EmptyShell Empty)
+ : Expr(SC, Empty), SubExprs(0), NumArgs(0) {
SubExprs = new (C) Stmt*[1];
}
-void CallExpr::Destroy(ASTContext& C) {
+void CallExpr::DoDestroy(ASTContext& C) {
DestroyChildren(C);
if (SubExprs) C.Deallocate(SubExprs);
this->~CallExpr();
C.Deallocate(this);
}
+FunctionDecl *CallExpr::getDirectCallee() {
+ Expr *CEE = getCallee()->IgnoreParenCasts();
+ if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(CEE))
+ return dyn_cast<FunctionDecl>(DRE->getDecl());
+
+ return 0;
+}
+
/// setNumArgs - This changes the number of arguments present in this call.
/// Any orphaned expressions are deleted by this, and any new operands are set
/// to null.
void CallExpr::setNumArgs(ASTContext& C, unsigned NumArgs) {
// No change, just return.
if (NumArgs == getNumArgs()) return;
-
+
// If shrinking # arguments, just delete the extras and forgot them.
if (NumArgs < getNumArgs()) {
for (unsigned i = NumArgs, e = getNumArgs(); i != e; ++i)
@@ -241,14 +291,14 @@ void CallExpr::setNumArgs(ASTContext& C, unsigned NumArgs) {
}
// Otherwise, we are growing the # arguments. New an bigger argument array.
- Stmt **NewSubExprs = new Stmt*[NumArgs+1];
+ Stmt **NewSubExprs = new (C) Stmt*[NumArgs+1];
// Copy over args.
for (unsigned i = 0; i != getNumArgs()+ARGS_START; ++i)
NewSubExprs[i] = SubExprs[i];
// Null out new args.
for (unsigned i = getNumArgs()+ARGS_START; i != NumArgs+ARGS_START; ++i)
NewSubExprs[i] = 0;
-
+
if (SubExprs) C.Deallocate(SubExprs);
SubExprs = NewSubExprs;
this->NumArgs = NumArgs;
@@ -258,37 +308,130 @@ void CallExpr::setNumArgs(ASTContext& C, unsigned NumArgs) {
/// not, return 0.
unsigned CallExpr::isBuiltinCall(ASTContext &Context) const {
// All simple function calls (e.g. func()) are implicitly cast to pointer to
- // function. As a result, we try and obtain the DeclRefExpr from the
+ // function. As a result, we try and obtain the DeclRefExpr from the
// ImplicitCastExpr.
const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(getCallee());
if (!ICE) // FIXME: deal with more complex calls (e.g. (func)(), (*func)()).
return 0;
-
+
const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(ICE->getSubExpr());
if (!DRE)
return 0;
-
+
const FunctionDecl *FDecl = dyn_cast<FunctionDecl>(DRE->getDecl());
if (!FDecl)
return 0;
-
+
if (!FDecl->getIdentifier())
return 0;
- return FDecl->getBuiltinID(Context);
+ return FDecl->getBuiltinID();
}
QualType CallExpr::getCallReturnType() const {
QualType CalleeType = getCallee()->getType();
- if (const PointerType *FnTypePtr = CalleeType->getAsPointerType())
+ if (const PointerType *FnTypePtr = CalleeType->getAs<PointerType>())
CalleeType = FnTypePtr->getPointeeType();
- else if (const BlockPointerType *BPT = CalleeType->getAsBlockPointerType())
+ else if (const BlockPointerType *BPT = CalleeType->getAs<BlockPointerType>())
CalleeType = BPT->getPointeeType();
-
- const FunctionType *FnType = CalleeType->getAsFunctionType();
+
+ const FunctionType *FnType = CalleeType->getAs<FunctionType>();
return FnType->getResultType();
}
+MemberExpr::MemberExpr(Expr *base, bool isarrow, NestedNameSpecifier *qual,
+ SourceRange qualrange, NamedDecl *memberdecl,
+ SourceLocation l, bool has_explicit,
+ SourceLocation langle,
+ const TemplateArgument *targs, unsigned numtargs,
+ SourceLocation rangle, QualType ty)
+ : Expr(MemberExprClass, ty,
+ base->isTypeDependent() || (qual && qual->isDependent()),
+ base->isValueDependent() || (qual && qual->isDependent())),
+ Base(base), MemberDecl(memberdecl), MemberLoc(l), IsArrow(isarrow),
+ HasQualifier(qual != 0), HasExplicitTemplateArgumentList(has_explicit) {
+ // Initialize the qualifier, if any.
+ if (HasQualifier) {
+ NameQualifier *NQ = getMemberQualifier();
+ NQ->NNS = qual;
+ NQ->Range = qualrange;
+ }
+
+ // Initialize the explicit template argument list, if any.
+ if (HasExplicitTemplateArgumentList) {
+ ExplicitTemplateArgumentList *ETemplateArgs
+ = getExplicitTemplateArgumentList();
+ ETemplateArgs->LAngleLoc = langle;
+ ETemplateArgs->RAngleLoc = rangle;
+ ETemplateArgs->NumTemplateArgs = numtargs;
+
+ TemplateArgument *TemplateArgs = ETemplateArgs->getTemplateArgs();
+ for (unsigned I = 0; I < numtargs; ++I)
+ new (TemplateArgs + I) TemplateArgument(targs[I]);
+ }
+}
+
+MemberExpr *MemberExpr::Create(ASTContext &C, Expr *base, bool isarrow,
+ NestedNameSpecifier *qual,
+ SourceRange qualrange,
+ NamedDecl *memberdecl,
+ SourceLocation l,
+ bool has_explicit,
+ SourceLocation langle,
+ const TemplateArgument *targs,
+ unsigned numtargs,
+ SourceLocation rangle,
+ QualType ty) {
+ std::size_t Size = sizeof(MemberExpr);
+ if (qual != 0)
+ Size += sizeof(NameQualifier);
+
+ if (has_explicit)
+ Size += sizeof(ExplicitTemplateArgumentList) +
+ sizeof(TemplateArgument) * numtargs;
+
+ void *Mem = C.Allocate(Size, llvm::alignof<MemberExpr>());
+ return new (Mem) MemberExpr(base, isarrow, qual, qualrange, memberdecl, l,
+ has_explicit, langle, targs, numtargs, rangle,
+ ty);
+}
+
+const char *CastExpr::getCastKindName() const {
+ switch (getCastKind()) {
+ case CastExpr::CK_Unknown:
+ return "Unknown";
+ case CastExpr::CK_BitCast:
+ return "BitCast";
+ case CastExpr::CK_NoOp:
+ return "NoOp";
+ case CastExpr::CK_DerivedToBase:
+ return "DerivedToBase";
+ case CastExpr::CK_Dynamic:
+ return "Dynamic";
+ case CastExpr::CK_ToUnion:
+ return "ToUnion";
+ case CastExpr::CK_ArrayToPointerDecay:
+ return "ArrayToPointerDecay";
+ case CastExpr::CK_FunctionToPointerDecay:
+ return "FunctionToPointerDecay";
+ case CastExpr::CK_NullToMemberPointer:
+ return "NullToMemberPointer";
+ case CastExpr::CK_BaseToDerivedMemberPointer:
+ return "BaseToDerivedMemberPointer";
+ case CastExpr::CK_UserDefinedConversion:
+ return "UserDefinedConversion";
+ case CastExpr::CK_ConstructorConversion:
+ return "ConstructorConversion";
+ case CastExpr::CK_IntegralToPointer:
+ return "IntegralToPointer";
+ case CastExpr::CK_PointerToIntegral:
+ return "PointerToIntegral";
+ }
+
+ assert(0 && "Unhandled cast kind!");
+ return 0;
+}
+
/// getOpcodeStr - Turn an Opcode enum value into the punctuation char it
/// corresponds to, e.g. "<<=".
const char *BinaryOperator::getOpcodeStr(Opcode Op) {
@@ -330,7 +473,7 @@ const char *BinaryOperator::getOpcodeStr(Opcode Op) {
return "";
}
-BinaryOperator::Opcode
+BinaryOperator::Opcode
BinaryOperator::getOverloadedOpcode(OverloadedOperatorKind OO) {
switch (OO) {
default: assert(false && "Not an overloadable binary operator");
@@ -392,13 +535,13 @@ OverloadedOperatorKind BinaryOperator::getOverloadedOperator(Opcode Opc) {
return OverOps[Opc];
}
-InitListExpr::InitListExpr(SourceLocation lbraceloc,
+InitListExpr::InitListExpr(SourceLocation lbraceloc,
Expr **initExprs, unsigned numInits,
SourceLocation rbraceloc)
: Expr(InitListExprClass, QualType(),
hasAnyTypeDependentArguments(initExprs, numInits),
hasAnyValueDependentArguments(initExprs, numInits)),
- LBraceLoc(lbraceloc), RBraceLoc(rbraceloc), SyntacticForm(0),
+ LBraceLoc(lbraceloc), RBraceLoc(rbraceloc), SyntacticForm(0),
UnionFieldInit(0), HadArrayRangeDesignator(false) {
InitExprs.insert(InitExprs.end(), initExprs, initExprs+numInits);
@@ -422,7 +565,7 @@ Expr *InitListExpr::updateInit(unsigned Init, Expr *expr) {
InitExprs.back() = expr;
return 0;
}
-
+
Expr *Result = cast_or_null<Expr>(InitExprs[Init]);
InitExprs[Init] = expr;
return Result;
@@ -431,18 +574,18 @@ Expr *InitListExpr::updateInit(unsigned Init, Expr *expr) {
/// getFunctionType - Return the underlying function type for this block.
///
const FunctionType *BlockExpr::getFunctionType() const {
- return getType()->getAsBlockPointerType()->
- getPointeeType()->getAsFunctionType();
+ return getType()->getAs<BlockPointerType>()->
+ getPointeeType()->getAs<FunctionType>();
}
-SourceLocation BlockExpr::getCaretLocation() const {
- return TheBlock->getCaretLocation();
+SourceLocation BlockExpr::getCaretLocation() const {
+ return TheBlock->getCaretLocation();
}
-const Stmt *BlockExpr::getBody() const {
+const Stmt *BlockExpr::getBody() const {
return TheBlock->getBody();
}
-Stmt *BlockExpr::getBody() {
- return TheBlock->getBody();
+Stmt *BlockExpr::getBody() {
+ return TheBlock->getBody();
}
@@ -460,7 +603,7 @@ bool Expr::isUnusedResultAWarning(SourceLocation &Loc, SourceRange &R1,
// instantiating to void.
if (isTypeDependent())
return false;
-
+
switch (getStmtClass()) {
default:
Loc = getExprLoc();
@@ -471,7 +614,7 @@ bool Expr::isUnusedResultAWarning(SourceLocation &Loc, SourceRange &R1,
isUnusedResultAWarning(Loc, R1, R2);
case UnaryOperatorClass: {
const UnaryOperator *UO = cast<UnaryOperator>(this);
-
+
switch (UO->getOpcode()) {
default: break;
case UnaryOperator::PostInc:
@@ -503,7 +646,7 @@ bool Expr::isUnusedResultAWarning(SourceLocation &Loc, SourceRange &R1,
if (BO->getOpcode() == BinaryOperator::Comma)
return BO->getRHS()->isUnusedResultAWarning(Loc, R1, R2) ||
BO->getLHS()->isUnusedResultAWarning(Loc, R1, R2);
-
+
if (BO->isAssignmentOp())
return false;
Loc = BO->getOperatorLoc();
@@ -518,7 +661,7 @@ bool Expr::isUnusedResultAWarning(SourceLocation &Loc, SourceRange &R1,
// The condition must be evaluated, but if either the LHS or RHS is a
// warning, warn about them.
const ConditionalOperator *Exp = cast<ConditionalOperator>(this);
- if (Exp->getLHS() &&
+ if (Exp->getLHS() &&
Exp->getLHS()->isUnusedResultAWarning(Loc, R1, R2))
return true;
return Exp->getRHS()->isUnusedResultAWarning(Loc, R1, R2);
@@ -533,7 +676,7 @@ bool Expr::isUnusedResultAWarning(SourceLocation &Loc, SourceRange &R1,
R1 = SourceRange(Loc, Loc);
R2 = cast<MemberExpr>(this)->getBase()->getSourceRange();
return true;
-
+
case ArraySubscriptExprClass:
// If the base pointer or element is to a volatile pointer/field, accessing
// it is a side effect.
@@ -549,26 +692,43 @@ bool Expr::isUnusedResultAWarning(SourceLocation &Loc, SourceRange &R1,
case CXXMemberCallExprClass: {
// If this is a direct call, get the callee.
const CallExpr *CE = cast<CallExpr>(this);
- const Expr *CalleeExpr = CE->getCallee()->IgnoreParenCasts();
- if (const DeclRefExpr *CalleeDRE = dyn_cast<DeclRefExpr>(CalleeExpr)) {
+ if (const FunctionDecl *FD = CE->getDirectCallee()) {
// If the callee has attribute pure, const, or warn_unused_result, warn
// about it. void foo() { strlen("bar"); } should warn.
- if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(CalleeDRE->getDecl()))
- if (FD->getAttr<WarnUnusedResultAttr>() ||
- FD->getAttr<PureAttr>() || FD->getAttr<ConstAttr>()) {
- Loc = CE->getCallee()->getLocStart();
- R1 = CE->getCallee()->getSourceRange();
-
- if (unsigned NumArgs = CE->getNumArgs())
- R2 = SourceRange(CE->getArg(0)->getLocStart(),
- CE->getArg(NumArgs-1)->getLocEnd());
- return true;
- }
+ //
+ // Note: If new cases are added here, DiagnoseUnusedExprResult should be
+ // updated to match for QoI.
+ if (FD->getAttr<WarnUnusedResultAttr>() ||
+ FD->getAttr<PureAttr>() || FD->getAttr<ConstAttr>()) {
+ Loc = CE->getCallee()->getLocStart();
+ R1 = CE->getCallee()->getSourceRange();
+
+ if (unsigned NumArgs = CE->getNumArgs())
+ R2 = SourceRange(CE->getArg(0)->getLocStart(),
+ CE->getArg(NumArgs-1)->getLocEnd());
+ return true;
+ }
}
return false;
}
case ObjCMessageExprClass:
return false;
+
+ case ObjCImplicitSetterGetterRefExprClass: { // Dot syntax for message send.
+#if 0
+ const ObjCImplicitSetterGetterRefExpr *Ref =
+ cast<ObjCImplicitSetterGetterRefExpr>(this);
+ // FIXME: We really want the location of the '.' here.
+ Loc = Ref->getLocation();
+ R1 = SourceRange(Ref->getLocation(), Ref->getLocation());
+ if (Ref->getBase())
+ R2 = Ref->getBase()->getSourceRange();
+#else
+ Loc = getExprLoc();
+ R1 = getSourceRange();
+#endif
+ return true;
+ }
case StmtExprClass: {
// Statement exprs don't logically have side effects themselves, but are
// sometimes used in macros in ways that give them a type that is unused.
@@ -579,17 +739,16 @@ bool Expr::isUnusedResultAWarning(SourceLocation &Loc, SourceRange &R1,
if (!CS->body_empty())
if (const Expr *E = dyn_cast<Expr>(CS->body_back()))
return E->isUnusedResultAWarning(Loc, R1, R2);
-
+
Loc = cast<StmtExpr>(this)->getLParenLoc();
R1 = getSourceRange();
return true;
}
case CStyleCastExprClass:
- // If this is a cast to void, check the operand. Otherwise, the result of
- // the cast is unused.
+ // If this is an explicit cast to void, allow it. People do this when they
+ // think they know what they're doing :).
if (getType()->isVoidType())
- return cast<CastExpr>(this)->getSubExpr()
- ->isUnusedResultAWarning(Loc, R1, R2);
+ return false;
Loc = cast<CStyleCastExpr>(this)->getLParenLoc();
R1 = cast<CStyleCastExpr>(this)->getSubExpr()->getSourceRange();
return true;
@@ -602,7 +761,7 @@ bool Expr::isUnusedResultAWarning(SourceLocation &Loc, SourceRange &R1,
Loc = cast<CXXFunctionalCastExpr>(this)->getTypeBeginLoc();
R1 = cast<CXXFunctionalCastExpr>(this)->getSubExpr()->getSourceRange();
return true;
-
+
case ImplicitCastExprClass:
// Check the operand, since implicit casts are inserted by Sema
return cast<ImplicitCastExpr>(this)
@@ -617,6 +776,9 @@ bool Expr::isUnusedResultAWarning(SourceLocation &Loc, SourceRange &R1,
// effects (e.g. a placement new with an uninitialized POD).
case CXXDeleteExprClass:
return false;
+ case CXXBindTemporaryExprClass:
+ return cast<CXXBindTemporaryExpr>(this)
+ ->getSubExpr()->isUnusedResultAWarning(Loc, R1, R2);
case CXXExprWithTemporariesClass:
return cast<CXXExprWithTemporaries>(this)
->getSubExpr()->isUnusedResultAWarning(Loc, R1, R2);
@@ -628,14 +790,15 @@ bool Expr::isUnusedResultAWarning(SourceLocation &Loc, SourceRange &R1,
static bool DeclCanBeLvalue(const NamedDecl *Decl, ASTContext &Ctx) {
// C++ [temp.param]p6:
// A non-type non-reference template-parameter is not an lvalue.
- if (const NonTypeTemplateParmDecl *NTTParm
+ if (const NonTypeTemplateParmDecl *NTTParm
= dyn_cast<NonTypeTemplateParmDecl>(Decl))
return NTTParm->getType()->isReferenceType();
return isa<VarDecl>(Decl) || isa<FieldDecl>(Decl) ||
// C++ 3.10p2: An lvalue refers to an object or function.
(Ctx.getLangOptions().CPlusPlus &&
- (isa<FunctionDecl>(Decl) || isa<OverloadedFunctionDecl>(Decl)));
+ (isa<FunctionDecl>(Decl) || isa<OverloadedFunctionDecl>(Decl) ||
+ isa<FunctionTemplateDecl>(Decl)));
}
/// isLvalue - C99 6.3.2.1: an lvalue is an expression with an object type or an
@@ -659,11 +822,11 @@ Expr::isLvalueResult Expr::isLvalue(ASTContext &Ctx) const {
// first, check the type (C99 6.3.2.1). Expressions with function
// type in C are not lvalues, but they can be lvalues in C++.
- if (TR->isFunctionType())
+ if (TR->isFunctionType() || TR == Ctx.OverloadTy)
return LV_NotObjectType;
// Allow qualified void which is an incomplete type other than void (yuck).
- if (TR->isVoidType() && !Ctx.getCanonicalType(TR).getCVRQualifiers())
+ if (TR->isVoidType() && !Ctx.getCanonicalType(TR).hasQualifiers())
return LV_IncompleteVoidType;
return LV_Valid;
@@ -680,7 +843,7 @@ Expr::isLvalueResult Expr::isLvalueInternal(ASTContext &Ctx) const {
if (cast<ArraySubscriptExpr>(this)->getBase()->getType()->isVectorType())
return cast<ArraySubscriptExpr>(this)->getBase()->isLvalue(Ctx);
return LV_Valid;
- case DeclRefExprClass:
+ case DeclRefExprClass:
case QualifiedDeclRefExprClass: { // C99 6.5.1p2
const NamedDecl *RefdDecl = cast<DeclRefExpr>(this)->getDecl();
if (DeclCanBeLvalue(RefdDecl, Ctx))
@@ -693,7 +856,7 @@ Expr::isLvalueResult Expr::isLvalueInternal(ASTContext &Ctx) const {
return LV_Valid;
break;
}
- case MemberExprClass: {
+ case MemberExprClass: {
const MemberExpr *m = cast<MemberExpr>(this);
if (Ctx.getLangOptions().CPlusPlus) { // C++ [expr.ref]p4:
NamedDecl *Member = m->getMemberDecl();
@@ -727,7 +890,7 @@ Expr::isLvalueResult Expr::isLvalueInternal(ASTContext &Ctx) const {
// Not an lvalue.
return LV_InvalidExpression;
- }
+ }
// C99 6.5.2.3p4
return m->isArrow() ? LV_Valid : m->getBase()->isLvalue(Ctx);
@@ -747,7 +910,7 @@ Expr::isLvalueResult Expr::isLvalueInternal(ASTContext &Ctx) const {
return LV_Valid;
break;
case ImplicitCastExprClass:
- return cast<ImplicitCastExpr>(this)->isLvalueCast()? LV_Valid
+ return cast<ImplicitCastExpr>(this)->isLvalueCast()? LV_Valid
: LV_InvalidExpression;
case ParenExprClass: // C99 6.5.1p5
return cast<ParenExpr>(this)->getSubExpr()->isLvalue(Ctx);
@@ -760,16 +923,26 @@ Expr::isLvalueResult Expr::isLvalueInternal(ASTContext &Ctx) const {
return BinOp->getRHS()->isLvalue(Ctx);
// C++ [expr.mptr.oper]p6
- if ((BinOp->getOpcode() == BinaryOperator::PtrMemD ||
- BinOp->getOpcode() == BinaryOperator::PtrMemI) &&
+ // The result of a .* expression is an lvalue only if its first operand is
+ // an lvalue and its second operand is a pointer to data member.
+ if (BinOp->getOpcode() == BinaryOperator::PtrMemD &&
!BinOp->getType()->isFunctionType())
return BinOp->getLHS()->isLvalue(Ctx);
+ // The result of an ->* expression is an lvalue only if its second operand
+ // is a pointer to data member.
+ if (BinOp->getOpcode() == BinaryOperator::PtrMemI &&
+ !BinOp->getType()->isFunctionType()) {
+ QualType Ty = BinOp->getRHS()->getType();
+ if (Ty->isMemberPointerType() && !Ty->isMemberFunctionPointerType())
+ return LV_Valid;
+ }
+
if (!BinOp->isAssignmentOp())
return LV_InvalidExpression;
if (Ctx.getLangOptions().CPlusPlus)
- // C++ [expr.ass]p1:
+ // C++ [expr.ass]p1:
// The result of an assignment operation [...] is an lvalue.
return LV_Valid;
@@ -778,7 +951,7 @@ Expr::isLvalueResult Expr::isLvalueInternal(ASTContext &Ctx) const {
// An assignment expression [...] is not an lvalue.
return LV_InvalidExpression;
}
- case CallExprClass:
+ case CallExprClass:
case CXXOperatorCallExprClass:
case CXXMemberCallExprClass: {
// C++0x [expr.call]p10
@@ -803,7 +976,7 @@ Expr::isLvalueResult Expr::isLvalueInternal(ASTContext &Ctx) const {
return LV_Valid;
case ObjCPropertyRefExprClass: // FIXME: check if read-only property.
return LV_Valid;
- case ObjCKVCRefExprClass: // FIXME: check if read-only property.
+ case ObjCImplicitSetterGetterRefExprClass: // FIXME: check if read-only property.
return LV_Valid;
case PredefinedExprClass:
return LV_Valid;
@@ -828,6 +1001,9 @@ Expr::isLvalueResult Expr::isLvalueInternal(ASTContext &Ctx) const {
case CXXTypeidExprClass:
// C++ 5.2.8p1: The result of a typeid expression is an lvalue of ...
return LV_Valid;
+ case CXXBindTemporaryExprClass:
+ return cast<CXXBindTemporaryExpr>(this)->getSubExpr()->
+ isLvalueInternal(Ctx);
case ConditionalOperatorClass: {
// Complicated handling is only for C++.
if (!Ctx.getLangOptions().CPlusPlus)
@@ -862,15 +1038,15 @@ Expr::isLvalueResult Expr::isLvalueInternal(ASTContext &Ctx) const {
/// isModifiableLvalue - C99 6.3.2.1: an lvalue that does not have array type,
/// does not have an incomplete type, does not have a const-qualified type, and
-/// if it is a structure or union, does not have any member (including,
+/// if it is a structure or union, does not have any member (including,
/// recursively, any member or element of all contained aggregates or unions)
/// with a const-qualified type.
-Expr::isModifiableLvalueResult
+Expr::isModifiableLvalueResult
Expr::isModifiableLvalue(ASTContext &Ctx, SourceLocation *Loc) const {
isLvalueResult lvalResult = isLvalue(Ctx);
-
+
switch (lvalResult) {
- case LV_Valid:
+ case LV_Valid:
// C++ 3.10p11: Functions cannot be modified, but pointers to
// functions can be modifiable.
if (Ctx.getLangOptions().CPlusPlus && TR->isFunctionType())
@@ -900,74 +1076,37 @@ Expr::isModifiableLvalue(ASTContext &Ctx, SourceLocation *Loc) const {
// void takeclosure(void (^C)(void));
// void func() { int x = 1; takeclosure(^{ x = 7; }); }
//
- if (isa<BlockDeclRefExpr>(this)) {
- const BlockDeclRefExpr *BDR = cast<BlockDeclRefExpr>(this);
+ if (const BlockDeclRefExpr *BDR = dyn_cast<BlockDeclRefExpr>(this)) {
if (!BDR->isByRef() && isa<VarDecl>(BDR->getDecl()))
return MLV_NotBlockQualified;
}
+ // Assigning to an 'implicit' property?
+ if (const ObjCImplicitSetterGetterRefExpr* Expr =
+ dyn_cast<ObjCImplicitSetterGetterRefExpr>(this)) {
+ if (Expr->getSetterMethod() == 0)
+ return MLV_NoSetterProperty;
+ }
+
QualType CT = Ctx.getCanonicalType(getType());
-
+
if (CT.isConstQualified())
return MLV_ConstQualified;
if (CT->isArrayType())
return MLV_ArrayType;
if (CT->isIncompleteType())
return MLV_IncompleteType;
-
- if (const RecordType *r = CT->getAsRecordType()) {
- if (r->hasConstFields())
+
+ if (const RecordType *r = CT->getAs<RecordType>()) {
+ if (r->hasConstFields())
return MLV_ConstQualified;
}
-
- // Assigning to an 'implicit' property?
- else if (isa<ObjCKVCRefExpr>(this)) {
- const ObjCKVCRefExpr* KVCExpr = cast<ObjCKVCRefExpr>(this);
- if (KVCExpr->getSetterMethod() == 0)
- return MLV_NoSetterProperty;
- }
- return MLV_Valid;
-}
-/// hasGlobalStorage - Return true if this expression has static storage
-/// duration. This means that the address of this expression is a link-time
-/// constant.
-bool Expr::hasGlobalStorage() const {
- switch (getStmtClass()) {
- default:
- return false;
- case BlockExprClass:
- return true;
- case ParenExprClass:
- return cast<ParenExpr>(this)->getSubExpr()->hasGlobalStorage();
- case ImplicitCastExprClass:
- return cast<ImplicitCastExpr>(this)->getSubExpr()->hasGlobalStorage();
- case CompoundLiteralExprClass:
- return cast<CompoundLiteralExpr>(this)->isFileScope();
- case DeclRefExprClass:
- case QualifiedDeclRefExprClass: {
- const Decl *D = cast<DeclRefExpr>(this)->getDecl();
- if (const VarDecl *VD = dyn_cast<VarDecl>(D))
- return VD->hasGlobalStorage();
- if (isa<FunctionDecl>(D))
- return true;
- return false;
- }
- case MemberExprClass: {
- const MemberExpr *M = cast<MemberExpr>(this);
- return !M->isArrow() && M->getBase()->hasGlobalStorage();
- }
- case ArraySubscriptExprClass:
- return cast<ArraySubscriptExpr>(this)->getBase()->hasGlobalStorage();
- case PredefinedExprClass:
- return true;
- case CXXDefaultArgExprClass:
- return cast<CXXDefaultArgExpr>(this)->getExpr()->hasGlobalStorage();
- }
+ return MLV_Valid;
}
/// isOBJCGCCandidate - Check if an expression is objc gc'able.
-///
+/// returns true, if it is; false otherwise.
bool Expr::isOBJCGCCandidate(ASTContext &Ctx) const {
switch (getStmtClass()) {
default:
@@ -989,11 +1128,10 @@ bool Expr::isOBJCGCCandidate(ASTContext &Ctx) const {
if (VD->hasGlobalStorage())
return true;
QualType T = VD->getType();
- // dereferencing to an object pointer is always a gc'able candidate
- if (T->isPointerType() &&
- Ctx.isObjCObjectPointerType(T->getAsPointerType()->getPointeeType()))
- return true;
-
+ // dereferencing to a pointer is always a gc'able candidate,
+ // unless it is __weak.
+ return T->isPointerType() &&
+ (Ctx.getObjCGCAttrKind(T) != Qualifiers::Weak);
}
return false;
}
@@ -1009,7 +1147,7 @@ Expr* Expr::IgnoreParens() {
Expr* E = this;
while (ParenExpr* P = dyn_cast<ParenExpr>(E))
E = P->getSubExpr();
-
+
return E;
}
@@ -1037,17 +1175,17 @@ Expr *Expr::IgnoreParenNoopCasts(ASTContext &Ctx) {
E = P->getSubExpr();
continue;
}
-
+
if (CastExpr *P = dyn_cast<CastExpr>(E)) {
// We ignore integer <-> casts that are of the same width, ptr<->ptr and
// ptr<->int casts of the same width. We also ignore all identify casts.
Expr *SE = P->getSubExpr();
-
+
if (Ctx.hasSameUnqualifiedType(E->getType(), SE->getType())) {
E = SE;
continue;
}
-
+
if ((E->getType()->isPointerType() || E->getType()->isIntegralType()) &&
(SE->getType()->isPointerType() || SE->getType()->isIntegralType()) &&
Ctx.getTypeSize(E->getType()) == Ctx.getTypeSize(SE->getType())) {
@@ -1055,7 +1193,7 @@ Expr *Expr::IgnoreParenNoopCasts(ASTContext &Ctx) {
continue;
}
}
-
+
return E;
}
}
@@ -1094,6 +1232,7 @@ bool Expr::isConstantInitializer(ASTContext &Ctx) const {
switch (getStmtClass()) {
default: break;
case StringLiteralClass:
+ case ObjCStringLiteralClass:
case ObjCEncodeExprClass:
return true;
case CompoundLiteralExprClass: {
@@ -1110,22 +1249,31 @@ bool Expr::isConstantInitializer(ASTContext &Ctx) const {
const InitListExpr *Exp = cast<InitListExpr>(this);
unsigned numInits = Exp->getNumInits();
for (unsigned i = 0; i < numInits; i++) {
- if (!Exp->getInit(i)->isConstantInitializer(Ctx))
+ if (!Exp->getInit(i)->isConstantInitializer(Ctx))
return false;
}
return true;
}
case ImplicitValueInitExprClass:
return true;
- case ParenExprClass: {
+ case ParenExprClass:
return cast<ParenExpr>(this)->getSubExpr()->isConstantInitializer(Ctx);
- }
case UnaryOperatorClass: {
const UnaryOperator* Exp = cast<UnaryOperator>(this);
if (Exp->getOpcode() == UnaryOperator::Extension)
return Exp->getSubExpr()->isConstantInitializer(Ctx);
break;
}
+ case BinaryOperatorClass: {
+ // Special case &&foo - &&bar. It would be nice to generalize this somehow
+ // but this handles the common case.
+ const BinaryOperator *Exp = cast<BinaryOperator>(this);
+ if (Exp->getOpcode() == BinaryOperator::Sub &&
+ isa<AddrLabelExpr>(Exp->getLHS()->IgnoreParenNoopCasts(Ctx)) &&
+ isa<AddrLabelExpr>(Exp->getRHS()->IgnoreParenNoopCasts(Ctx)))
+ return true;
+ break;
+ }
case ImplicitCastExprClass:
case CStyleCastExprClass:
// Handle casts with a destination that's a struct or union; this
@@ -1133,9 +1281,15 @@ bool Expr::isConstantInitializer(ASTContext &Ctx) const {
// cast-to-union extension.
if (getType()->isRecordType())
return cast<CastExpr>(this)->getSubExpr()->isConstantInitializer(Ctx);
+
+ // Integer->integer casts can be handled here, which is important for
+ // things like (int)(&&x-&&y). Scary but true.
+ if (getType()->isIntegerType() &&
+ cast<CastExpr>(this)->getSubExpr()->getType()->isIntegerType())
+ return cast<CastExpr>(this)->getSubExpr()->isConstantInitializer(Ctx);
+
break;
}
-
return isEvaluatable(Ctx);
}
@@ -1152,9 +1306,9 @@ bool Expr::isConstantInitializer(ASTContext &Ctx) const {
// CheckICE - This function does the fundamental ICE checking: the returned
// ICEDiag contains a Val of 0, 1, or 2, and a possibly null SourceLocation.
// Note that to reduce code duplication, this helper does no evaluation
-// itself; the caller checks whether the expression is evaluatable, and
+// itself; the caller checks whether the expression is evaluatable, and
// in the rare cases where CheckICE actually cares about the evaluated
-// value, it calls into Evalute.
+// value, it calls into Evalute.
//
// Meanings of Val:
// 0: This expression is an ICE if it can be evaluated by Evaluate.
@@ -1190,8 +1344,65 @@ static ICEDiag CheckICE(const Expr* E, ASTContext &Ctx) {
}
switch (E->getStmtClass()) {
- default:
+#define STMT(Node, Base) case Expr::Node##Class:
+#define EXPR(Node, Base)
+#include "clang/AST/StmtNodes.def"
+ case Expr::PredefinedExprClass:
+ case Expr::FloatingLiteralClass:
+ case Expr::ImaginaryLiteralClass:
+ case Expr::StringLiteralClass:
+ case Expr::ArraySubscriptExprClass:
+ case Expr::MemberExprClass:
+ case Expr::CompoundAssignOperatorClass:
+ case Expr::CompoundLiteralExprClass:
+ case Expr::ExtVectorElementExprClass:
+ case Expr::InitListExprClass:
+ case Expr::DesignatedInitExprClass:
+ case Expr::ImplicitValueInitExprClass:
+ case Expr::ParenListExprClass:
+ case Expr::VAArgExprClass:
+ case Expr::AddrLabelExprClass:
+ case Expr::StmtExprClass:
+ case Expr::CXXMemberCallExprClass:
+ case Expr::CXXDynamicCastExprClass:
+ case Expr::CXXTypeidExprClass:
+ case Expr::CXXNullPtrLiteralExprClass:
+ case Expr::CXXThisExprClass:
+ case Expr::CXXThrowExprClass:
+ case Expr::CXXConditionDeclExprClass: // FIXME: is this correct?
+ case Expr::CXXNewExprClass:
+ case Expr::CXXDeleteExprClass:
+ case Expr::CXXPseudoDestructorExprClass:
+ case Expr::UnresolvedFunctionNameExprClass:
+ case Expr::UnresolvedDeclRefExprClass:
+ case Expr::TemplateIdRefExprClass:
+ case Expr::CXXConstructExprClass:
+ case Expr::CXXBindTemporaryExprClass:
+ case Expr::CXXExprWithTemporariesClass:
+ case Expr::CXXTemporaryObjectExprClass:
+ case Expr::CXXUnresolvedConstructExprClass:
+ case Expr::CXXUnresolvedMemberExprClass:
+ case Expr::ObjCStringLiteralClass:
+ case Expr::ObjCEncodeExprClass:
+ case Expr::ObjCMessageExprClass:
+ case Expr::ObjCSelectorExprClass:
+ case Expr::ObjCProtocolExprClass:
+ case Expr::ObjCIvarRefExprClass:
+ case Expr::ObjCPropertyRefExprClass:
+ case Expr::ObjCImplicitSetterGetterRefExprClass:
+ case Expr::ObjCSuperExprClass:
+ case Expr::ObjCIsaExprClass:
+ case Expr::ShuffleVectorExprClass:
+ case Expr::BlockExprClass:
+ case Expr::BlockDeclRefExprClass:
+ case Expr::NoStmtClass:
+ case Expr::ExprClass:
return ICEDiag(2, E->getLocStart());
+
+ case Expr::GNUNullExprClass:
+ // GCC considers the GNU __null value to be an integral constant expression.
+ return NoDiag();
+
case Expr::ParenExprClass:
return CheckICE(cast<ParenExpr>(E)->getSubExpr(), Ctx);
case Expr::IntegerLiteralClass:
@@ -1201,7 +1412,7 @@ static ICEDiag CheckICE(const Expr* E, ASTContext &Ctx) {
case Expr::TypesCompatibleExprClass:
case Expr::UnaryTypeTraitExprClass:
return NoDiag();
- case Expr::CallExprClass:
+ case Expr::CallExprClass:
case Expr::CXXOperatorCallExprClass: {
const CallExpr *CE = cast<CallExpr>(E);
if (CE->isBuiltinCall(Ctx))
@@ -1213,7 +1424,7 @@ static ICEDiag CheckICE(const Expr* E, ASTContext &Ctx) {
if (isa<EnumConstantDecl>(cast<DeclRefExpr>(E)->getDecl()))
return NoDiag();
if (Ctx.getLangOptions().CPlusPlus &&
- E->getType().getCVRQualifiers() == QualType::Const) {
+ E->getType().getCVRQualifiers() == Qualifiers::Const) {
// C++ 7.1.5.1p2
// A variable of non-volatile const-qualified integral or enumeration
// type initialized by an ICE can be used in ICEs.
@@ -1240,8 +1451,14 @@ static ICEDiag CheckICE(const Expr* E, ASTContext &Ctx) {
case Expr::UnaryOperatorClass: {
const UnaryOperator *Exp = cast<UnaryOperator>(E);
switch (Exp->getOpcode()) {
- default:
+ case UnaryOperator::PostInc:
+ case UnaryOperator::PostDec:
+ case UnaryOperator::PreInc:
+ case UnaryOperator::PreDec:
+ case UnaryOperator::AddrOf:
+ case UnaryOperator::Deref:
return ICEDiag(2, E->getLocStart());
+
case UnaryOperator::Extension:
case UnaryOperator::LNot:
case UnaryOperator::Plus:
@@ -1269,8 +1486,21 @@ static ICEDiag CheckICE(const Expr* E, ASTContext &Ctx) {
case Expr::BinaryOperatorClass: {
const BinaryOperator *Exp = cast<BinaryOperator>(E);
switch (Exp->getOpcode()) {
- default:
+ case BinaryOperator::PtrMemD:
+ case BinaryOperator::PtrMemI:
+ case BinaryOperator::Assign:
+ case BinaryOperator::MulAssign:
+ case BinaryOperator::DivAssign:
+ case BinaryOperator::RemAssign:
+ case BinaryOperator::AddAssign:
+ case BinaryOperator::SubAssign:
+ case BinaryOperator::ShlAssign:
+ case BinaryOperator::ShrAssign:
+ case BinaryOperator::AndAssign:
+ case BinaryOperator::XorAssign:
+ case BinaryOperator::OrAssign:
return ICEDiag(2, E->getLocStart());
+
case BinaryOperator::Mul:
case BinaryOperator::Div:
case BinaryOperator::Rem:
@@ -1340,9 +1570,15 @@ static ICEDiag CheckICE(const Expr* E, ASTContext &Ctx) {
}
}
}
+ case Expr::CastExprClass:
case Expr::ImplicitCastExprClass:
+ case Expr::ExplicitCastExprClass:
case Expr::CStyleCastExprClass:
- case Expr::CXXFunctionalCastExprClass: {
+ case Expr::CXXFunctionalCastExprClass:
+ case Expr::CXXNamedCastExprClass:
+ case Expr::CXXStaticCastExprClass:
+ case Expr::CXXReinterpretCastExprClass:
+ case Expr::CXXConstCastExprClass: {
const Expr *SubExpr = cast<CastExpr>(E)->getSubExpr();
if (SubExpr->getType()->isIntegralType())
return CheckICE(SubExpr, Ctx);
@@ -1352,7 +1588,7 @@ static ICEDiag CheckICE(const Expr* E, ASTContext &Ctx) {
}
case Expr::ConditionalOperatorClass: {
const ConditionalOperator *Exp = cast<ConditionalOperator>(E);
- // If the condition (ignoring parens) is a __builtin_constant_p call,
+ // If the condition (ignoring parens) is a __builtin_constant_p call,
// then only the true side is actually considered in an integer constant
// expression, and it is fully evaluated. This is an important GNU
// extension. See GCC PR38377 for discussion.
@@ -1392,6 +1628,9 @@ static ICEDiag CheckICE(const Expr* E, ASTContext &Ctx) {
return CheckICE(cast<ChooseExpr>(E)->getChosenSubExpr(Ctx), Ctx);
}
}
+
+ // Silence a GCC warning
+ return ICEDiag(2, E->getLocStart());
}
bool Expr::isIntegerConstantExpr(llvm::APSInt &Result, ASTContext &Ctx,
@@ -1413,31 +1652,45 @@ bool Expr::isIntegerConstantExpr(llvm::APSInt &Result, ASTContext &Ctx,
/// isNullPointerConstant - C99 6.3.2.3p3 - Return true if this is either an
/// integer constant expression with the value zero, or if this is one that is
/// cast to void*.
-bool Expr::isNullPointerConstant(ASTContext &Ctx) const
-{
+bool Expr::isNullPointerConstant(ASTContext &Ctx,
+ NullPointerConstantValueDependence NPC) const {
+ if (isValueDependent()) {
+ switch (NPC) {
+ case NPC_NeverValueDependent:
+ assert(false && "Unexpected value dependent expression!");
+ // If the unthinkable happens, fall through to the safest alternative.
+
+ case NPC_ValueDependentIsNull:
+ return isTypeDependent() || getType()->isIntegralType();
+
+ case NPC_ValueDependentIsNotNull:
+ return false;
+ }
+ }
+
// Strip off a cast to void*, if it exists. Except in C++.
if (const ExplicitCastExpr *CE = dyn_cast<ExplicitCastExpr>(this)) {
if (!Ctx.getLangOptions().CPlusPlus) {
// Check that it is a cast to void*.
- if (const PointerType *PT = CE->getType()->getAsPointerType()) {
+ if (const PointerType *PT = CE->getType()->getAs<PointerType>()) {
QualType Pointee = PT->getPointeeType();
- if (Pointee.getCVRQualifiers() == 0 &&
+ if (!Pointee.hasQualifiers() &&
Pointee->isVoidType() && // to void*
CE->getSubExpr()->getType()->isIntegerType()) // from int.
- return CE->getSubExpr()->isNullPointerConstant(Ctx);
+ return CE->getSubExpr()->isNullPointerConstant(Ctx, NPC);
}
}
} else if (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(this)) {
// Ignore the ImplicitCastExpr type entirely.
- return ICE->getSubExpr()->isNullPointerConstant(Ctx);
+ return ICE->getSubExpr()->isNullPointerConstant(Ctx, NPC);
} else if (const ParenExpr *PE = dyn_cast<ParenExpr>(this)) {
// Accept ((void*)0) as a null pointer constant, as many other
// implementations do.
- return PE->getSubExpr()->isNullPointerConstant(Ctx);
- } else if (const CXXDefaultArgExpr *DefaultArg
+ return PE->getSubExpr()->isNullPointerConstant(Ctx, NPC);
+ } else if (const CXXDefaultArgExpr *DefaultArg
= dyn_cast<CXXDefaultArgExpr>(this)) {
// See through default argument expressions
- return DefaultArg->getExpr()->isNullPointerConstant(Ctx);
+ return DefaultArg->getExpr()->isNullPointerConstant(Ctx, NPC);
} else if (isa<GNUNullExpr>(this)) {
// The GNU __null extension is always a null pointer constant.
return true;
@@ -1448,9 +1701,10 @@ bool Expr::isNullPointerConstant(ASTContext &Ctx) const
return true;
// This expression must be an integer type.
- if (!getType()->isIntegerType())
+ if (!getType()->isIntegerType() ||
+ (Ctx.getLangOptions().CPlusPlus && getType()->isEnumeralType()))
return false;
-
+
// If we have an integer constant expression, we need to *evaluate* it and
// test for the value 0.
llvm::APSInt Result;
@@ -1458,7 +1712,7 @@ bool Expr::isNullPointerConstant(ASTContext &Ctx) const
}
FieldDecl *Expr::getBitField() {
- Expr *E = this->IgnoreParenCasts();
+ Expr *E = this->IgnoreParens();
if (MemberExpr *MemRef = dyn_cast<MemberExpr>(E))
if (FieldDecl *Field = dyn_cast<FieldDecl>(MemRef->getMemberDecl()))
@@ -1479,7 +1733,7 @@ bool ExtVectorElementExpr::isArrow() const {
}
unsigned ExtVectorElementExpr::getNumElements() const {
- if (const VectorType *VT = getType()->getAsVectorType())
+ if (const VectorType *VT = getType()->getAs<VectorType>())
return VT->getNumElements();
return 1;
}
@@ -1490,20 +1744,20 @@ bool ExtVectorElementExpr::containsDuplicateElements() const {
unsigned length = Accessor->getLength();
// Halving swizzles do not contain duplicate elements.
- if (!strcmp(compStr, "hi") || !strcmp(compStr, "lo") ||
+ if (!strcmp(compStr, "hi") || !strcmp(compStr, "lo") ||
!strcmp(compStr, "even") || !strcmp(compStr, "odd"))
return false;
-
+
// Advance past s-char prefix on hex swizzles.
if (*compStr == 's' || *compStr == 'S') {
compStr++;
length--;
}
-
+
for (unsigned i = 0; i != length-1; i++) {
const char *s = compStr+i;
for (const char c = *s++; *s; s++)
- if (c == *s)
+ if (c == *s)
return true;
}
return false;
@@ -1515,15 +1769,15 @@ void ExtVectorElementExpr::getEncodedElementAccess(
const char *compStr = Accessor->getName();
if (*compStr == 's' || *compStr == 'S')
compStr++;
-
+
bool isHi = !strcmp(compStr, "hi");
bool isLo = !strcmp(compStr, "lo");
bool isEven = !strcmp(compStr, "even");
bool isOdd = !strcmp(compStr, "odd");
-
+
for (unsigned i = 0, e = getNumElements(); i != e; ++i) {
uint64_t Index;
-
+
if (isHi)
Index = e + i;
else if (isLo)
@@ -1544,7 +1798,7 @@ ObjCMessageExpr::ObjCMessageExpr(Expr *receiver, Selector selInfo,
QualType retType, ObjCMethodDecl *mproto,
SourceLocation LBrac, SourceLocation RBrac,
Expr **ArgExprs, unsigned nargs)
- : Expr(ObjCMessageExprClass, retType), SelName(selInfo),
+ : Expr(ObjCMessageExprClass, retType), SelName(selInfo),
MethodProto(mproto) {
NumArgs = nargs;
SubExprs = new Stmt*[NumArgs+1];
@@ -1557,29 +1811,13 @@ ObjCMessageExpr::ObjCMessageExpr(Expr *receiver, Selector selInfo,
RBracloc = RBrac;
}
-ObjCStringLiteral* ObjCStringLiteral::Clone(ASTContext &C) const {
- // Clone the string literal.
- StringLiteral *NewString =
- String ? cast<StringLiteral>(String)->Clone(C) : 0;
-
- return new (C) ObjCStringLiteral(NewString, getType(), AtLoc);
-}
-
-ObjCSelectorExpr *ObjCSelectorExpr::Clone(ASTContext &C) const {
- return new (C) ObjCSelectorExpr(getType(), SelName, AtLoc, RParenLoc);
-}
-
-ObjCProtocolExpr *ObjCProtocolExpr::Clone(ASTContext &C) const {
- return new (C) ObjCProtocolExpr(getType(), TheProtocol, AtLoc, RParenLoc);
-}
-
-// constructor for class messages.
+// constructor for class messages.
// FIXME: clsName should be typed to ObjCInterfaceType
ObjCMessageExpr::ObjCMessageExpr(IdentifierInfo *clsName, Selector selInfo,
QualType retType, ObjCMethodDecl *mproto,
SourceLocation LBrac, SourceLocation RBrac,
Expr **ArgExprs, unsigned nargs)
- : Expr(ObjCMessageExprClass, retType), SelName(selInfo),
+ : Expr(ObjCMessageExprClass, retType), SelName(selInfo),
MethodProto(mproto) {
NumArgs = nargs;
SubExprs = new Stmt*[NumArgs+1];
@@ -1592,12 +1830,12 @@ ObjCMessageExpr::ObjCMessageExpr(IdentifierInfo *clsName, Selector selInfo,
RBracloc = RBrac;
}
-// constructor for class messages.
+// constructor for class messages.
ObjCMessageExpr::ObjCMessageExpr(ObjCInterfaceDecl *cls, Selector selInfo,
QualType retType, ObjCMethodDecl *mproto,
SourceLocation LBrac, SourceLocation RBrac,
Expr **ArgExprs, unsigned nargs)
-: Expr(ObjCMessageExprClass, retType), SelName(selInfo),
+: Expr(ObjCMessageExprClass, retType), SelName(selInfo),
MethodProto(mproto) {
NumArgs = nargs;
SubExprs = new Stmt*[NumArgs+1];
@@ -1640,16 +1878,23 @@ bool ChooseExpr::isConditionTrue(ASTContext &C) const {
return getCond()->EvaluateAsInt(C) != 0;
}
-void ShuffleVectorExpr::setExprs(Expr ** Exprs, unsigned NumExprs) {
- if (NumExprs)
- delete [] SubExprs;
-
- SubExprs = new Stmt* [NumExprs];
+void ShuffleVectorExpr::setExprs(ASTContext &C, Expr ** Exprs,
+ unsigned NumExprs) {
+ if (SubExprs) C.Deallocate(SubExprs);
+
+ SubExprs = new (C) Stmt* [NumExprs];
this->NumExprs = NumExprs;
memcpy(SubExprs, Exprs, sizeof(Expr *) * NumExprs);
}
-void SizeOfAlignOfExpr::Destroy(ASTContext& C) {
+void ShuffleVectorExpr::DoDestroy(ASTContext& C) {
+ DestroyChildren(C);
+ if (SubExprs) C.Deallocate(SubExprs);
+ this->~ShuffleVectorExpr();
+ C.Deallocate(this);
+}
+
+void SizeOfAlignOfExpr::DoDestroy(ASTContext& C) {
// Override default behavior of traversing children. If this has a type
// operand and the type is a variable-length array, the child iteration
// will iterate over the size expression. However, this expression belongs
@@ -1660,7 +1905,7 @@ void SizeOfAlignOfExpr::Destroy(ASTContext& C) {
C.Deallocate(this);
}
else
- Expr::Destroy(C);
+ Expr::DoDestroy(C);
}
//===----------------------------------------------------------------------===//
@@ -1675,17 +1920,17 @@ IdentifierInfo *DesignatedInitExpr::Designator::getFieldName() {
return getField()->getIdentifier();
}
-DesignatedInitExpr::DesignatedInitExpr(QualType Ty, unsigned NumDesignators,
+DesignatedInitExpr::DesignatedInitExpr(QualType Ty, unsigned NumDesignators,
const Designator *Designators,
- SourceLocation EqualOrColonLoc,
+ SourceLocation EqualOrColonLoc,
bool GNUSyntax,
- Expr **IndexExprs,
+ Expr **IndexExprs,
unsigned NumIndexExprs,
Expr *Init)
- : Expr(DesignatedInitExprClass, Ty,
+ : Expr(DesignatedInitExprClass, Ty,
Init->isTypeDependent(), Init->isValueDependent()),
- EqualOrColonLoc(EqualOrColonLoc), GNUSyntax(GNUSyntax),
- NumDesignators(NumDesignators), NumSubExprs(NumIndexExprs + 1) {
+ EqualOrColonLoc(EqualOrColonLoc), GNUSyntax(GNUSyntax),
+ NumDesignators(NumDesignators), NumSubExprs(NumIndexExprs + 1) {
this->Designators = new Designator[NumDesignators];
// Record the initializer itself.
@@ -1701,7 +1946,7 @@ DesignatedInitExpr::DesignatedInitExpr(QualType Ty, unsigned NumDesignators,
if (this->Designators[I].isArrayDesignator()) {
// Compute type- and value-dependence.
Expr *Index = IndexExprs[IndexIdx];
- ValueDependent = ValueDependent ||
+ ValueDependent = ValueDependent ||
Index->isTypeDependent() || Index->isValueDependent();
// Copy the index expressions into permanent storage.
@@ -1710,7 +1955,7 @@ DesignatedInitExpr::DesignatedInitExpr(QualType Ty, unsigned NumDesignators,
// Compute type- and value-dependence.
Expr *Start = IndexExprs[IndexIdx];
Expr *End = IndexExprs[IndexIdx + 1];
- ValueDependent = ValueDependent ||
+ ValueDependent = ValueDependent ||
Start->isTypeDependent() || Start->isValueDependent() ||
End->isTypeDependent() || End->isValueDependent();
@@ -1724,7 +1969,7 @@ DesignatedInitExpr::DesignatedInitExpr(QualType Ty, unsigned NumDesignators,
}
DesignatedInitExpr *
-DesignatedInitExpr::Create(ASTContext &C, Designator *Designators,
+DesignatedInitExpr::Create(ASTContext &C, Designator *Designators,
unsigned NumDesignators,
Expr **IndexExprs, unsigned NumIndexExprs,
SourceLocation ColonOrEqualLoc,
@@ -1736,14 +1981,14 @@ DesignatedInitExpr::Create(ASTContext &C, Designator *Designators,
IndexExprs, NumIndexExprs, Init);
}
-DesignatedInitExpr *DesignatedInitExpr::CreateEmpty(ASTContext &C,
+DesignatedInitExpr *DesignatedInitExpr::CreateEmpty(ASTContext &C,
unsigned NumIndexExprs) {
void *Mem = C.Allocate(sizeof(DesignatedInitExpr) +
sizeof(Stmt *) * (NumIndexExprs + 1), 8);
return new (Mem) DesignatedInitExpr(NumIndexExprs + 1);
}
-void DesignatedInitExpr::setDesignators(const Designator *Desigs,
+void DesignatedInitExpr::setDesignators(const Designator *Desigs,
unsigned NumDesigs) {
if (Designators)
delete [] Designators;
@@ -1778,7 +2023,7 @@ Expr *DesignatedInitExpr::getArrayIndex(const Designator& D) {
}
Expr *DesignatedInitExpr::getArrayRangeStart(const Designator& D) {
- assert(D.Kind == Designator::ArrayRangeDesignator &&
+ assert(D.Kind == Designator::ArrayRangeDesignator &&
"Requires array range designator");
char* Ptr = static_cast<char*>(static_cast<void *>(this));
Ptr += sizeof(DesignatedInitExpr);
@@ -1787,7 +2032,7 @@ Expr *DesignatedInitExpr::getArrayRangeStart(const Designator& D) {
}
Expr *DesignatedInitExpr::getArrayRangeEnd(const Designator& D) {
- assert(D.Kind == Designator::ArrayRangeDesignator &&
+ assert(D.Kind == Designator::ArrayRangeDesignator &&
"Requires array range designator");
char* Ptr = static_cast<char*>(static_cast<void *>(this));
Ptr += sizeof(DesignatedInitExpr);
@@ -1797,8 +2042,8 @@ Expr *DesignatedInitExpr::getArrayRangeEnd(const Designator& D) {
/// \brief Replaces the designator at index @p Idx with the series
/// of designators in [First, Last).
-void DesignatedInitExpr::ExpandDesignator(unsigned Idx,
- const Designator *First,
+void DesignatedInitExpr::ExpandDesignator(unsigned Idx,
+ const Designator *First,
const Designator *Last) {
unsigned NumNewDesignators = Last - First;
if (NumNewDesignators == 0) {
@@ -1812,7 +2057,7 @@ void DesignatedInitExpr::ExpandDesignator(unsigned Idx,
return;
}
- Designator *NewDesignators
+ Designator *NewDesignators
= new Designator[NumDesignators - 1 + NumNewDesignators];
std::copy(Designators, Designators + Idx, NewDesignators);
std::copy(First, Last, NewDesignators + Idx);
@@ -1823,13 +2068,29 @@ void DesignatedInitExpr::ExpandDesignator(unsigned Idx,
NumDesignators = NumDesignators - 1 + NumNewDesignators;
}
-void DesignatedInitExpr::Destroy(ASTContext &C) {
+void DesignatedInitExpr::DoDestroy(ASTContext &C) {
delete [] Designators;
- Expr::Destroy(C);
+ Expr::DoDestroy(C);
}
-ImplicitValueInitExpr *ImplicitValueInitExpr::Clone(ASTContext &C) const {
- return new (C) ImplicitValueInitExpr(getType());
+ParenListExpr::ParenListExpr(ASTContext& C, SourceLocation lparenloc,
+ Expr **exprs, unsigned nexprs,
+ SourceLocation rparenloc)
+: Expr(ParenListExprClass, QualType(),
+ hasAnyTypeDependentArguments(exprs, nexprs),
+ hasAnyValueDependentArguments(exprs, nexprs)),
+ NumExprs(nexprs), LParenLoc(lparenloc), RParenLoc(rparenloc) {
+
+ Exprs = new (C) Stmt*[nexprs];
+ for (unsigned i = 0; i != nexprs; ++i)
+ Exprs[i] = exprs[i];
+}
+
+void ParenListExpr::DoDestroy(ASTContext& C) {
+ DestroyChildren(C);
+ if (Exprs) C.Deallocate(Exprs);
+ this->~ParenListExpr();
+ C.Deallocate(this);
}
//===----------------------------------------------------------------------===//
@@ -1861,14 +2122,22 @@ Stmt::child_iterator ObjCIvarRefExpr::child_end() { return &Base+1; }
Stmt::child_iterator ObjCPropertyRefExpr::child_begin() { return &Base; }
Stmt::child_iterator ObjCPropertyRefExpr::child_end() { return &Base+1; }
-// ObjCKVCRefExpr
-Stmt::child_iterator ObjCKVCRefExpr::child_begin() { return &Base; }
-Stmt::child_iterator ObjCKVCRefExpr::child_end() { return &Base+1; }
+// ObjCImplicitSetterGetterRefExpr
+Stmt::child_iterator ObjCImplicitSetterGetterRefExpr::child_begin() {
+ return &Base;
+}
+Stmt::child_iterator ObjCImplicitSetterGetterRefExpr::child_end() {
+ return &Base+1;
+}
// ObjCSuperExpr
Stmt::child_iterator ObjCSuperExpr::child_begin() { return child_iterator(); }
Stmt::child_iterator ObjCSuperExpr::child_end() { return child_iterator(); }
+// ObjCIsaExpr
+Stmt::child_iterator ObjCIsaExpr::child_begin() { return &Base; }
+Stmt::child_iterator ObjCIsaExpr::child_end() { return &Base+1; }
+
// PredefinedExpr
Stmt::child_iterator PredefinedExpr::child_begin() { return child_iterator(); }
Stmt::child_iterator PredefinedExpr::child_end() { return child_iterator(); }
@@ -1902,7 +2171,7 @@ Stmt::child_iterator UnaryOperator::child_begin() { return &Val; }
Stmt::child_iterator UnaryOperator::child_end() { return &Val+1; }
// SizeOfAlignOfExpr
-Stmt::child_iterator SizeOfAlignOfExpr::child_begin() {
+Stmt::child_iterator SizeOfAlignOfExpr::child_begin() {
// If this is of a type and the type is a VLA type (and not a typedef), the
// size expression of the VLA needs to be treated as an executable expression.
// Why isn't this weirdness documented better in StmtIterator?
@@ -2024,16 +2293,24 @@ Stmt::child_iterator DesignatedInitExpr::child_end() {
}
// ImplicitValueInitExpr
-Stmt::child_iterator ImplicitValueInitExpr::child_begin() {
- return child_iterator();
+Stmt::child_iterator ImplicitValueInitExpr::child_begin() {
+ return child_iterator();
}
-Stmt::child_iterator ImplicitValueInitExpr::child_end() {
- return child_iterator();
+Stmt::child_iterator ImplicitValueInitExpr::child_end() {
+ return child_iterator();
+}
+
+// ParenListExpr
+Stmt::child_iterator ParenListExpr::child_begin() {
+ return &Exprs[0];
+}
+Stmt::child_iterator ParenListExpr::child_end() {
+ return &Exprs[0]+NumExprs;
}
// ObjCStringLiteral
-Stmt::child_iterator ObjCStringLiteral::child_begin() {
+Stmt::child_iterator ObjCStringLiteral::child_begin() {
return &String;
}
Stmt::child_iterator ObjCStringLiteral::child_end() {
@@ -2045,7 +2322,7 @@ Stmt::child_iterator ObjCEncodeExpr::child_begin() { return child_iterator(); }
Stmt::child_iterator ObjCEncodeExpr::child_end() { return child_iterator(); }
// ObjCSelectorExpr
-Stmt::child_iterator ObjCSelectorExpr::child_begin() {
+Stmt::child_iterator ObjCSelectorExpr::child_begin() {
return child_iterator();
}
Stmt::child_iterator ObjCSelectorExpr::child_end() {
@@ -2061,7 +2338,7 @@ Stmt::child_iterator ObjCProtocolExpr::child_end() {
}
// ObjCMessageExpr
-Stmt::child_iterator ObjCMessageExpr::child_begin() {
+Stmt::child_iterator ObjCMessageExpr::child_begin() {
return getReceiver() ? &SubExprs[0] : &SubExprs[0] + ARGS_START;
}
Stmt::child_iterator ObjCMessageExpr::child_end() {
diff --git a/lib/AST/ExprCXX.cpp b/lib/AST/ExprCXX.cpp
index 399c30255a8f..cba0e220952e 100644
--- a/lib/AST/ExprCXX.cpp
+++ b/lib/AST/ExprCXX.cpp
@@ -17,14 +17,6 @@
#include "clang/AST/ExprCXX.h"
using namespace clang;
-void CXXConditionDeclExpr::Destroy(ASTContext& C) {
- // FIXME: Cannot destroy the decl here, because it is linked into the
- // DeclContext's chain.
- //getVarDecl()->Destroy(C);
- this->~CXXConditionDeclExpr();
- C.Deallocate(this);
-}
-
//===----------------------------------------------------------------------===//
// Child Iterators for iterating over subexpressions/substatements
//===----------------------------------------------------------------------===//
@@ -38,7 +30,7 @@ Stmt::child_iterator CXXTypeidExpr::child_end() {
}
// CXXBoolLiteralExpr
-Stmt::child_iterator CXXBoolLiteralExpr::child_begin() {
+Stmt::child_iterator CXXBoolLiteralExpr::child_begin() {
return child_iterator();
}
Stmt::child_iterator CXXBoolLiteralExpr::child_end() {
@@ -46,7 +38,7 @@ Stmt::child_iterator CXXBoolLiteralExpr::child_end() {
}
// CXXNullPtrLiteralExpr
-Stmt::child_iterator CXXNullPtrLiteralExpr::child_begin() {
+Stmt::child_iterator CXXNullPtrLiteralExpr::child_begin() {
return child_iterator();
}
Stmt::child_iterator CXXNullPtrLiteralExpr::child_end() {
@@ -73,7 +65,7 @@ Stmt::child_iterator CXXDefaultArgExpr::child_end() {
}
// CXXZeroInitValueExpr
-Stmt::child_iterator CXXZeroInitValueExpr::child_begin() {
+Stmt::child_iterator CXXZeroInitValueExpr::child_begin() {
return child_iterator();
}
Stmt::child_iterator CXXZeroInitValueExpr::child_end() {
@@ -101,8 +93,7 @@ CXXNewExpr::CXXNewExpr(bool globalNew, FunctionDecl *operatorNew,
Initializer(initializer), Array(arraySize), NumPlacementArgs(numPlaceArgs),
NumConstructorArgs(numConsArgs), OperatorNew(operatorNew),
OperatorDelete(operatorDelete), Constructor(constructor),
- StartLoc(startLoc), EndLoc(endLoc)
-{
+ StartLoc(startLoc), EndLoc(endLoc) {
unsigned TotalSize = Array + NumPlacementArgs + NumConstructorArgs;
SubExprs = new Stmt*[TotalSize];
unsigned i = 0;
@@ -124,19 +115,19 @@ Stmt::child_iterator CXXNewExpr::child_end() {
Stmt::child_iterator CXXDeleteExpr::child_begin() { return &Argument; }
Stmt::child_iterator CXXDeleteExpr::child_end() { return &Argument+1; }
+// CXXPseudoDestructorExpr
+Stmt::child_iterator CXXPseudoDestructorExpr::child_begin() { return &Base; }
+Stmt::child_iterator CXXPseudoDestructorExpr::child_end() {
+ return &Base + 1;
+}
+
// UnresolvedFunctionNameExpr
-Stmt::child_iterator UnresolvedFunctionNameExpr::child_begin() {
- return child_iterator();
+Stmt::child_iterator UnresolvedFunctionNameExpr::child_begin() {
+ return child_iterator();
}
Stmt::child_iterator UnresolvedFunctionNameExpr::child_end() {
return child_iterator();
}
-
-UnresolvedFunctionNameExpr*
-UnresolvedFunctionNameExpr::Clone(ASTContext &C) const {
- return new (C) UnresolvedFunctionNameExpr(Name, getType(), Loc);
-}
-
// UnaryTypeTraitExpr
Stmt::child_iterator UnaryTypeTraitExpr::child_begin() {
return child_iterator();
@@ -155,16 +146,16 @@ StmtIterator UnresolvedDeclRefExpr::child_end() {
}
TemplateIdRefExpr::TemplateIdRefExpr(QualType T,
- NestedNameSpecifier *Qualifier,
+ NestedNameSpecifier *Qualifier,
SourceRange QualifierRange,
- TemplateName Template,
+ TemplateName Template,
SourceLocation TemplateNameLoc,
- SourceLocation LAngleLoc,
+ SourceLocation LAngleLoc,
const TemplateArgument *TemplateArgs,
unsigned NumTemplateArgs,
SourceLocation RAngleLoc)
: Expr(TemplateIdRefExprClass, T,
- (Template.isDependent() ||
+ (Template.isDependent() ||
TemplateSpecializationType::anyDependentTemplateArguments(
TemplateArgs, NumTemplateArgs)),
(Template.isDependent() ||
@@ -172,10 +163,8 @@ TemplateIdRefExpr::TemplateIdRefExpr(QualType T,
TemplateArgs, NumTemplateArgs))),
Qualifier(Qualifier), QualifierRange(QualifierRange), Template(Template),
TemplateNameLoc(TemplateNameLoc), LAngleLoc(LAngleLoc),
- RAngleLoc(RAngleLoc), NumTemplateArgs(NumTemplateArgs)
-
-{
- TemplateArgument *StoredTemplateArgs
+ RAngleLoc(RAngleLoc), NumTemplateArgs(NumTemplateArgs) {
+ TemplateArgument *StoredTemplateArgs
= reinterpret_cast<TemplateArgument *> (this+1);
for (unsigned I = 0; I != NumTemplateArgs; ++I)
new (StoredTemplateArgs + I) TemplateArgument(TemplateArgs[I]);
@@ -183,10 +172,10 @@ TemplateIdRefExpr::TemplateIdRefExpr(QualType T,
TemplateIdRefExpr *
TemplateIdRefExpr::Create(ASTContext &Context, QualType T,
- NestedNameSpecifier *Qualifier,
+ NestedNameSpecifier *Qualifier,
SourceRange QualifierRange,
TemplateName Template, SourceLocation TemplateNameLoc,
- SourceLocation LAngleLoc,
+ SourceLocation LAngleLoc,
const TemplateArgument *TemplateArgs,
unsigned NumTemplateArgs, SourceLocation RAngleLoc) {
void *Mem = Context.Allocate(sizeof(TemplateIdRefExpr) +
@@ -196,11 +185,13 @@ TemplateIdRefExpr::Create(ASTContext &Context, QualType T,
NumTemplateArgs, RAngleLoc);
}
-void TemplateIdRefExpr::Destroy(ASTContext &Context) {
+void TemplateIdRefExpr::DoDestroy(ASTContext &Context) {
const TemplateArgument *TemplateArgs = getTemplateArgs();
for (unsigned I = 0; I != NumTemplateArgs; ++I)
if (Expr *E = TemplateArgs[I].getAsExpr())
E->Destroy(Context);
+ this->~TemplateIdRefExpr();
+ Context.Deallocate(this);
}
Stmt::child_iterator TemplateIdRefExpr::child_begin() {
@@ -213,34 +204,87 @@ Stmt::child_iterator TemplateIdRefExpr::child_end() {
return Stmt::child_iterator();
}
-bool UnaryTypeTraitExpr::EvaluateTrait() const {
+bool UnaryTypeTraitExpr::EvaluateTrait(ASTContext& C) const {
switch(UTT) {
default: assert(false && "Unknown type trait or not implemented");
case UTT_IsPOD: return QueriedType->isPODType();
case UTT_IsClass: // Fallthrough
case UTT_IsUnion:
- if (const RecordType *Record = QueriedType->getAsRecordType()) {
+ if (const RecordType *Record = QueriedType->getAs<RecordType>()) {
bool Union = Record->getDecl()->isUnion();
return UTT == UTT_IsUnion ? Union : !Union;
}
return false;
case UTT_IsEnum: return QueriedType->isEnumeralType();
case UTT_IsPolymorphic:
- if (const RecordType *Record = QueriedType->getAsRecordType()) {
+ if (const RecordType *Record = QueriedType->getAs<RecordType>()) {
// Type traits are only parsed in C++, so we've got CXXRecords.
return cast<CXXRecordDecl>(Record->getDecl())->isPolymorphic();
}
return false;
case UTT_IsAbstract:
- if (const RecordType *RT = QueriedType->getAsRecordType())
+ if (const RecordType *RT = QueriedType->getAs<RecordType>())
return cast<CXXRecordDecl>(RT->getDecl())->isAbstract();
return false;
+ case UTT_IsEmpty:
+ if (const RecordType *Record = QueriedType->getAs<RecordType>()) {
+ return !Record->getDecl()->isUnion()
+ && cast<CXXRecordDecl>(Record->getDecl())->isEmpty();
+ }
+ return false;
case UTT_HasTrivialConstructor:
- if (const RecordType *RT = QueriedType->getAsRecordType())
+ // http://gcc.gnu.org/onlinedocs/gcc/Type-Traits.html:
+ // If __is_pod (type) is true then the trait is true, else if type is
+ // a cv class or union type (or array thereof) with a trivial default
+ // constructor ([class.ctor]) then the trait is true, else it is false.
+ if (QueriedType->isPODType())
+ return true;
+ if (const RecordType *RT =
+ C.getBaseElementType(QueriedType)->getAs<RecordType>())
return cast<CXXRecordDecl>(RT->getDecl())->hasTrivialConstructor();
return false;
+ case UTT_HasTrivialCopy:
+ // http://gcc.gnu.org/onlinedocs/gcc/Type-Traits.html:
+ // If __is_pod (type) is true or type is a reference type then
+ // the trait is true, else if type is a cv class or union type
+ // with a trivial copy constructor ([class.copy]) then the trait
+ // is true, else it is false.
+ if (QueriedType->isPODType() || QueriedType->isReferenceType())
+ return true;
+ if (const RecordType *RT = QueriedType->getAs<RecordType>())
+ return cast<CXXRecordDecl>(RT->getDecl())->hasTrivialCopyConstructor();
+ return false;
+ case UTT_HasTrivialAssign:
+ // http://gcc.gnu.org/onlinedocs/gcc/Type-Traits.html:
+ // If type is const qualified or is a reference type then the
+ // trait is false. Otherwise if __is_pod (type) is true then the
+ // trait is true, else if type is a cv class or union type with
+ // a trivial copy assignment ([class.copy]) then the trait is
+ // true, else it is false.
+ // Note: the const and reference restrictions are interesting,
+ // given that const and reference members don't prevent a class
+ // from having a trivial copy assignment operator (but do cause
+ // errors if the copy assignment operator is actually used, q.v.
+ // [class.copy]p12).
+
+ if (C.getBaseElementType(QueriedType).isConstQualified())
+ return false;
+ if (QueriedType->isPODType())
+ return true;
+ if (const RecordType *RT = QueriedType->getAs<RecordType>())
+ return cast<CXXRecordDecl>(RT->getDecl())->hasTrivialCopyAssignment();
+ return false;
case UTT_HasTrivialDestructor:
- if (const RecordType *RT = QueriedType->getAsRecordType())
+ // http://gcc.gnu.org/onlinedocs/gcc/Type-Traits.html:
+ // If __is_pod (type) is true or type is a reference type
+ // then the trait is true, else if type is a cv class or union
+ // type (or array thereof) with a trivial destructor
+ // ([class.dtor]) then the trait is true, else it is
+ // false.
+ if (QueriedType->isPODType() || QueriedType->isReferenceType())
+ return true;
+ if (const RecordType *RT =
+ C.getBaseElementType(QueriedType)->getAs<RecordType>())
return cast<CXXRecordDecl>(RT->getDecl())->hasTrivialDestructor();
return false;
}
@@ -251,7 +295,7 @@ SourceRange CXXOperatorCallExpr::getSourceRange() const {
if (Kind == OO_PlusPlus || Kind == OO_MinusMinus) {
if (getNumArgs() == 1)
// Prefix operator
- return SourceRange(getOperatorLoc(),
+ return SourceRange(getOperatorLoc(),
getArg(0)->getSourceRange().getEnd());
else
// Postfix operator
@@ -296,26 +340,26 @@ const char *CXXNamedCastExpr::getCastName() const {
}
}
-CXXTemporary *CXXTemporary::Create(ASTContext &C,
+CXXTemporary *CXXTemporary::Create(ASTContext &C,
const CXXDestructorDecl *Destructor) {
return new (C) CXXTemporary(Destructor);
}
-void CXXTemporary::Destroy(ASTContext &C) {
+void CXXTemporary::Destroy(ASTContext &Ctx) {
this->~CXXTemporary();
- C.Deallocate(this);
+ Ctx.Deallocate(this);
}
-CXXBindTemporaryExpr *CXXBindTemporaryExpr::Create(ASTContext &C,
+CXXBindTemporaryExpr *CXXBindTemporaryExpr::Create(ASTContext &C,
CXXTemporary *Temp,
Expr* SubExpr) {
- assert(SubExpr->getType()->isRecordType() &&
+ assert(SubExpr->getType()->isRecordType() &&
"Expression bound to a temporary must have record type!");
return new (C) CXXBindTemporaryExpr(Temp, SubExpr);
}
-void CXXBindTemporaryExpr::Destroy(ASTContext &C) {
+void CXXBindTemporaryExpr::DoDestroy(ASTContext &C) {
Temp->Destroy(C);
this->~CXXBindTemporaryExpr();
C.Deallocate(this);
@@ -324,38 +368,49 @@ void CXXBindTemporaryExpr::Destroy(ASTContext &C) {
CXXTemporaryObjectExpr::CXXTemporaryObjectExpr(ASTContext &C,
CXXConstructorDecl *Cons,
QualType writtenTy,
- SourceLocation tyBeginLoc,
+ SourceLocation tyBeginLoc,
Expr **Args,
- unsigned NumArgs,
+ unsigned NumArgs,
SourceLocation rParenLoc)
- : CXXConstructExpr(C, CXXTemporaryObjectExprClass, writtenTy, Cons,
- false, Args, NumArgs),
+ : CXXConstructExpr(C, CXXTemporaryObjectExprClass, writtenTy, Cons,
+ false, Args, NumArgs),
TyBeginLoc(tyBeginLoc), RParenLoc(rParenLoc) {
}
-CXXConstructExpr *CXXConstructExpr::Create(ASTContext &C, QualType T,
+CXXConstructExpr *CXXConstructExpr::Create(ASTContext &C, QualType T,
CXXConstructorDecl *D, bool Elidable,
Expr **Args, unsigned NumArgs) {
- return new (C) CXXConstructExpr(C, CXXConstructExprClass, T, D, Elidable,
+ return new (C) CXXConstructExpr(C, CXXConstructExprClass, T, D, Elidable,
Args, NumArgs);
}
-CXXConstructExpr::CXXConstructExpr(ASTContext &C, StmtClass SC, QualType T,
+CXXConstructExpr::CXXConstructExpr(ASTContext &C, StmtClass SC, QualType T,
CXXConstructorDecl *D, bool elidable,
- Expr **args, unsigned numargs)
+ Expr **args, unsigned numargs)
: Expr(SC, T,
T->isDependentType(),
(T->isDependentType() ||
CallExpr::hasAnyValueDependentArguments(args, numargs))),
Constructor(D), Elidable(elidable), Args(0), NumArgs(numargs) {
- if (NumArgs > 0) {
+ if (NumArgs) {
Args = new (C) Stmt*[NumArgs];
- for (unsigned i = 0; i < NumArgs; ++i)
+
+ for (unsigned i = 0; i != NumArgs; ++i) {
+ assert(args[i] && "NULL argument in CXXConstructExpr");
Args[i] = args[i];
+ }
}
}
-void CXXConstructExpr::Destroy(ASTContext &C) {
+CXXConstructExpr::CXXConstructExpr(EmptyShell Empty, ASTContext &C,
+ unsigned numargs)
+ : Expr(CXXConstructExprClass, Empty), Args(0), NumArgs(numargs)
+{
+ if (NumArgs)
+ Args = new (C) Stmt*[NumArgs];
+}
+
+void CXXConstructExpr::DoDestroy(ASTContext &C) {
DestroyChildren(C);
if (Args)
C.Deallocate(Args);
@@ -363,13 +418,13 @@ void CXXConstructExpr::Destroy(ASTContext &C) {
C.Deallocate(this);
}
-CXXExprWithTemporaries::CXXExprWithTemporaries(Expr *subexpr,
- CXXTemporary **temps,
+CXXExprWithTemporaries::CXXExprWithTemporaries(Expr *subexpr,
+ CXXTemporary **temps,
unsigned numtemps,
bool shoulddestroytemps)
: Expr(CXXExprWithTemporariesClass, subexpr->getType(),
- subexpr->isTypeDependent(), subexpr->isValueDependent()),
- SubExpr(subexpr), Temps(0), NumTemps(numtemps),
+ subexpr->isTypeDependent(), subexpr->isValueDependent()),
+ SubExpr(subexpr), Temps(0), NumTemps(numtemps),
ShouldDestroyTemps(shoulddestroytemps) {
if (NumTemps > 0) {
Temps = new CXXTemporary*[NumTemps];
@@ -378,16 +433,16 @@ CXXExprWithTemporaries::CXXExprWithTemporaries(Expr *subexpr,
}
}
-CXXExprWithTemporaries *CXXExprWithTemporaries::Create(ASTContext &C,
+CXXExprWithTemporaries *CXXExprWithTemporaries::Create(ASTContext &C,
Expr *SubExpr,
- CXXTemporary **Temps,
+ CXXTemporary **Temps,
unsigned NumTemps,
bool ShouldDestroyTemps){
- return new (C) CXXExprWithTemporaries(SubExpr, Temps, NumTemps,
+ return new (C) CXXExprWithTemporaries(SubExpr, Temps, NumTemps,
ShouldDestroyTemps);
}
-void CXXExprWithTemporaries::Destroy(ASTContext &C) {
+void CXXExprWithTemporaries::DoDestroy(ASTContext &C) {
DestroyChildren(C);
this->~CXXExprWithTemporaries();
C.Deallocate(this);
@@ -402,7 +457,7 @@ Stmt::child_iterator CXXBindTemporaryExpr::child_begin() {
return &SubExpr;
}
-Stmt::child_iterator CXXBindTemporaryExpr::child_end() {
+Stmt::child_iterator CXXBindTemporaryExpr::child_end() {
return &SubExpr + 1;
}
@@ -419,7 +474,7 @@ Stmt::child_iterator CXXExprWithTemporaries::child_begin() {
return &SubExpr;
}
-Stmt::child_iterator CXXExprWithTemporaries::child_end() {
+Stmt::child_iterator CXXExprWithTemporaries::child_end() {
return &SubExpr + 1;
}
@@ -442,7 +497,7 @@ CXXUnresolvedConstructExpr::CXXUnresolvedConstructExpr(
}
CXXUnresolvedConstructExpr *
-CXXUnresolvedConstructExpr::Create(ASTContext &C,
+CXXUnresolvedConstructExpr::Create(ASTContext &C,
SourceLocation TyBegin,
QualType T,
SourceLocation LParenLoc,
@@ -463,26 +518,79 @@ Stmt::child_iterator CXXUnresolvedConstructExpr::child_end() {
return child_iterator(reinterpret_cast<Stmt **>(this + 1) + NumArgs);
}
-Stmt::child_iterator CXXUnresolvedMemberExpr::child_begin() {
- return child_iterator(&Base);
-}
-
-Stmt::child_iterator CXXUnresolvedMemberExpr::child_end() {
- return child_iterator(&Base + 1);
+CXXUnresolvedMemberExpr::CXXUnresolvedMemberExpr(ASTContext &C,
+ Expr *Base, bool IsArrow,
+ SourceLocation OperatorLoc,
+ NestedNameSpecifier *Qualifier,
+ SourceRange QualifierRange,
+ NamedDecl *FirstQualifierFoundInScope,
+ DeclarationName Member,
+ SourceLocation MemberLoc,
+ bool HasExplicitTemplateArgs,
+ SourceLocation LAngleLoc,
+ const TemplateArgument *TemplateArgs,
+ unsigned NumTemplateArgs,
+ SourceLocation RAngleLoc)
+ : Expr(CXXUnresolvedMemberExprClass, C.DependentTy, true, true),
+ Base(Base), IsArrow(IsArrow),
+ HasExplicitTemplateArgumentList(HasExplicitTemplateArgs),
+ OperatorLoc(OperatorLoc),
+ Qualifier(Qualifier), QualifierRange(QualifierRange),
+ FirstQualifierFoundInScope(FirstQualifierFoundInScope),
+ Member(Member), MemberLoc(MemberLoc) {
+ if (HasExplicitTemplateArgumentList) {
+ ExplicitTemplateArgumentList *ETemplateArgs
+ = getExplicitTemplateArgumentList();
+ ETemplateArgs->LAngleLoc = LAngleLoc;
+ ETemplateArgs->RAngleLoc = RAngleLoc;
+ ETemplateArgs->NumTemplateArgs = NumTemplateArgs;
+
+ TemplateArgument *SavedTemplateArgs = ETemplateArgs->getTemplateArgs();
+ for (unsigned I = 0; I < NumTemplateArgs; ++I)
+ new (SavedTemplateArgs + I) TemplateArgument(TemplateArgs[I]);
+ }
}
-//===----------------------------------------------------------------------===//
-// Cloners
-//===----------------------------------------------------------------------===//
-
-CXXBoolLiteralExpr* CXXBoolLiteralExpr::Clone(ASTContext &C) const {
- return new (C) CXXBoolLiteralExpr(Value, getType(), Loc);
+CXXUnresolvedMemberExpr *
+CXXUnresolvedMemberExpr::Create(ASTContext &C,
+ Expr *Base, bool IsArrow,
+ SourceLocation OperatorLoc,
+ NestedNameSpecifier *Qualifier,
+ SourceRange QualifierRange,
+ NamedDecl *FirstQualifierFoundInScope,
+ DeclarationName Member,
+ SourceLocation MemberLoc,
+ bool HasExplicitTemplateArgs,
+ SourceLocation LAngleLoc,
+ const TemplateArgument *TemplateArgs,
+ unsigned NumTemplateArgs,
+ SourceLocation RAngleLoc) {
+ if (!HasExplicitTemplateArgs)
+ return new (C) CXXUnresolvedMemberExpr(C, Base, IsArrow, OperatorLoc,
+ Qualifier, QualifierRange,
+ FirstQualifierFoundInScope,
+ Member, MemberLoc);
+
+ void *Mem = C.Allocate(sizeof(CXXUnresolvedMemberExpr) +
+ sizeof(ExplicitTemplateArgumentList) +
+ sizeof(TemplateArgument) * NumTemplateArgs,
+ llvm::alignof<CXXUnresolvedMemberExpr>());
+ return new (Mem) CXXUnresolvedMemberExpr(C, Base, IsArrow, OperatorLoc,
+ Qualifier, QualifierRange,
+ FirstQualifierFoundInScope,
+ Member,
+ MemberLoc,
+ HasExplicitTemplateArgs,
+ LAngleLoc,
+ TemplateArgs,
+ NumTemplateArgs,
+ RAngleLoc);
}
-CXXNullPtrLiteralExpr* CXXNullPtrLiteralExpr::Clone(ASTContext &C) const {
- return new (C) CXXNullPtrLiteralExpr(getType(), Loc);
+Stmt::child_iterator CXXUnresolvedMemberExpr::child_begin() {
+ return child_iterator(&Base);
}
-CXXZeroInitValueExpr* CXXZeroInitValueExpr::Clone(ASTContext &C) const {
- return new (C) CXXZeroInitValueExpr(getType(), TyBeginLoc, RParenLoc);
+Stmt::child_iterator CXXUnresolvedMemberExpr::child_end() {
+ return child_iterator(&Base + 1);
}
diff --git a/lib/AST/ExprConstant.cpp b/lib/AST/ExprConstant.cpp
index eb6b5b725ff5..94d22998ebbe 100644
--- a/lib/AST/ExprConstant.cpp
+++ b/lib/AST/ExprConstant.cpp
@@ -42,12 +42,16 @@ using llvm::APFloat;
/// certain things in certain situations.
struct EvalInfo {
ASTContext &Ctx;
-
+
/// EvalResult - Contains information about the evaluation.
Expr::EvalResult &EvalResult;
- EvalInfo(ASTContext &ctx, Expr::EvalResult& evalresult) : Ctx(ctx),
- EvalResult(evalresult) {}
+ /// AnyLValue - Stack based LValue results are not discarded.
+ bool AnyLValue;
+
+ EvalInfo(ASTContext &ctx, Expr::EvalResult& evalresult,
+ bool anylvalue = false)
+ : Ctx(ctx), EvalResult(evalresult), AnyLValue(anylvalue) {}
};
@@ -104,12 +108,12 @@ static bool HandleConversionToBool(Expr* E, bool& Result, EvalInfo &Info) {
return false;
}
-static APSInt HandleFloatToIntCast(QualType DestType, QualType SrcType,
+static APSInt HandleFloatToIntCast(QualType DestType, QualType SrcType,
APFloat &Value, ASTContext &Ctx) {
unsigned DestWidth = Ctx.getIntWidth(DestType);
// Determine whether we are converting to unsigned or signed.
bool DestSigned = DestType->isSignedIntegerType();
-
+
// FIXME: Warning for overflow.
uint64_t Space[4];
bool ignored;
@@ -118,16 +122,16 @@ static APSInt HandleFloatToIntCast(QualType DestType, QualType SrcType,
return APSInt(llvm::APInt(DestWidth, 4, Space), !DestSigned);
}
-static APFloat HandleFloatToFloatCast(QualType DestType, QualType SrcType,
+static APFloat HandleFloatToFloatCast(QualType DestType, QualType SrcType,
APFloat &Value, ASTContext &Ctx) {
bool ignored;
APFloat Result = Value;
- Result.convert(Ctx.getFloatTypeSemantics(DestType),
+ Result.convert(Ctx.getFloatTypeSemantics(DestType),
APFloat::rmNearestTiesToEven, &ignored);
return Result;
}
-static APSInt HandleIntToIntCast(QualType DestType, QualType SrcType,
+static APSInt HandleIntToIntCast(QualType DestType, QualType SrcType,
APSInt &Value, ASTContext &Ctx) {
unsigned DestWidth = Ctx.getIntWidth(DestType);
APSInt Result = Value;
@@ -138,7 +142,7 @@ static APSInt HandleIntToIntCast(QualType DestType, QualType SrcType,
return Result;
}
-static APFloat HandleIntToFloatCast(QualType DestType, QualType SrcType,
+static APFloat HandleIntToFloatCast(QualType DestType, QualType SrcType,
APSInt &Value, ASTContext &Ctx) {
APFloat Result(Ctx.getFloatTypeSemantics(DestType), 1);
@@ -155,7 +159,7 @@ class VISIBILITY_HIDDEN LValueExprEvaluator
: public StmtVisitor<LValueExprEvaluator, APValue> {
EvalInfo &Info;
public:
-
+
LValueExprEvaluator(EvalInfo &info) : Info(info) {}
APValue VisitStmt(Stmt *S) {
@@ -176,6 +180,16 @@ public:
{ return Visit(E->getSubExpr()); }
APValue VisitChooseExpr(const ChooseExpr *E)
{ return Visit(E->getChosenSubExpr(Info.Ctx)); }
+
+ APValue VisitCastExpr(CastExpr *E) {
+ switch (E->getCastKind()) {
+ default:
+ return APValue();
+
+ case CastExpr::CK_NoOp:
+ return Visit(E->getSubExpr());
+ }
+ }
// FIXME: Missing: __real__, __imag__
};
} // end anonymous namespace
@@ -185,16 +199,15 @@ static bool EvaluateLValue(const Expr* E, APValue& Result, EvalInfo &Info) {
return Result.isLValue();
}
-APValue LValueExprEvaluator::VisitDeclRefExpr(DeclRefExpr *E)
-{
- if (!E->hasGlobalStorage())
- return APValue();
-
+APValue LValueExprEvaluator::VisitDeclRefExpr(DeclRefExpr *E) {
if (isa<FunctionDecl>(E->getDecl())) {
return APValue(E, 0);
} else if (VarDecl* VD = dyn_cast<VarDecl>(E->getDecl())) {
+ if (!Info.AnyLValue && !VD->hasGlobalStorage())
+ return APValue();
if (!VD->getType()->isReferenceType())
return APValue(E, 0);
+ // FIXME: Check whether VD might be overridden!
if (VD->getInit())
return Visit(VD->getInit());
}
@@ -202,18 +215,17 @@ APValue LValueExprEvaluator::VisitDeclRefExpr(DeclRefExpr *E)
return APValue();
}
-APValue LValueExprEvaluator::VisitBlockExpr(BlockExpr *E)
-{
+APValue LValueExprEvaluator::VisitBlockExpr(BlockExpr *E) {
if (E->hasBlockDeclRefExprs())
return APValue();
-
+
return APValue(E, 0);
}
APValue LValueExprEvaluator::VisitCompoundLiteralExpr(CompoundLiteralExpr *E) {
- if (E->isFileScope())
- return APValue(E, 0);
- return APValue();
+ if (!Info.AnyLValue && !E->isFileScope())
+ return APValue();
+ return APValue(E, 0);
}
APValue LValueExprEvaluator::VisitMemberExpr(MemberExpr *E) {
@@ -222,7 +234,7 @@ APValue LValueExprEvaluator::VisitMemberExpr(MemberExpr *E) {
if (E->isArrow()) {
if (!EvaluatePointer(E->getBase(), result, Info))
return APValue();
- Ty = E->getBase()->getType()->getAsPointerType()->getPointeeType();
+ Ty = E->getBase()->getType()->getAs<PointerType>()->getPointeeType();
} else {
result = Visit(E->getBase());
if (result.isUninit())
@@ -230,7 +242,7 @@ APValue LValueExprEvaluator::VisitMemberExpr(MemberExpr *E) {
Ty = E->getBase()->getType();
}
- RecordDecl *RD = Ty->getAsRecordType()->getDecl();
+ RecordDecl *RD = Ty->getAs<RecordType>()->getDecl();
const ASTRecordLayout &RL = Info.Ctx.getASTRecordLayout(RD);
FieldDecl *FD = dyn_cast<FieldDecl>(E->getMemberDecl());
@@ -255,13 +267,12 @@ APValue LValueExprEvaluator::VisitMemberExpr(MemberExpr *E) {
return result;
}
-APValue LValueExprEvaluator::VisitArraySubscriptExpr(ArraySubscriptExpr *E)
-{
+APValue LValueExprEvaluator::VisitArraySubscriptExpr(ArraySubscriptExpr *E) {
APValue Result;
-
+
if (!EvaluatePointer(E->getBase(), Result, Info))
return APValue();
-
+
APSInt Index;
if (!EvaluateInteger(E->getIdx(), Index, Info))
return APValue();
@@ -269,13 +280,12 @@ APValue LValueExprEvaluator::VisitArraySubscriptExpr(ArraySubscriptExpr *E)
uint64_t ElementSize = Info.Ctx.getTypeSize(E->getType()) / 8;
uint64_t Offset = Index.getSExtValue() * ElementSize;
- Result.setLValue(Result.getLValueBase(),
+ Result.setLValue(Result.getLValueBase(),
Result.getLValueOffset() + Offset);
return Result;
}
-APValue LValueExprEvaluator::VisitUnaryDeref(UnaryOperator *E)
-{
+APValue LValueExprEvaluator::VisitUnaryDeref(UnaryOperator *E) {
APValue Result;
if (!EvaluatePointer(E->getSubExpr(), Result, Info))
return APValue();
@@ -291,7 +301,7 @@ class VISIBILITY_HIDDEN PointerExprEvaluator
: public StmtVisitor<PointerExprEvaluator, APValue> {
EvalInfo &Info;
public:
-
+
PointerExprEvaluator(EvalInfo &info) : Info(info) {}
APValue VisitStmt(Stmt *S) {
@@ -337,23 +347,23 @@ APValue PointerExprEvaluator::VisitBinaryOperator(const BinaryOperator *E) {
if (E->getOpcode() != BinaryOperator::Add &&
E->getOpcode() != BinaryOperator::Sub)
return APValue();
-
+
const Expr *PExp = E->getLHS();
const Expr *IExp = E->getRHS();
if (IExp->getType()->isPointerType())
std::swap(PExp, IExp);
-
+
APValue ResultLValue;
if (!EvaluatePointer(PExp, ResultLValue, Info))
return APValue();
-
+
llvm::APSInt AdditionalOffset(32);
if (!EvaluateInteger(IExp, AdditionalOffset, Info))
return APValue();
- QualType PointeeType = PExp->getType()->getAsPointerType()->getPointeeType();
+ QualType PointeeType = PExp->getType()->getAs<PointerType>()->getPointeeType();
uint64_t SizeOfPointee;
-
+
// Explicitly handle GNU void* and function pointer arithmetic extensions.
if (PointeeType->isVoidType() || PointeeType->isFunctionType())
SizeOfPointee = 1;
@@ -376,19 +386,21 @@ APValue PointerExprEvaluator::VisitUnaryAddrOf(const UnaryOperator *E) {
return result;
return APValue();
}
-
+
APValue PointerExprEvaluator::VisitCastExpr(const CastExpr* E) {
const Expr* SubExpr = E->getSubExpr();
// Check for pointer->pointer cast
- if (SubExpr->getType()->isPointerType()) {
+ if (SubExpr->getType()->isPointerType() ||
+ SubExpr->getType()->isObjCObjectPointerType() ||
+ SubExpr->getType()->isNullPtrType()) {
APValue Result;
if (EvaluatePointer(SubExpr, Result, Info))
return Result;
return APValue();
}
-
+
if (SubExpr->getType()->isIntegralType()) {
APValue Result;
if (!EvaluateIntegerOrLValue(SubExpr, Result, Info))
@@ -398,7 +410,7 @@ APValue PointerExprEvaluator::VisitCastExpr(const CastExpr* E) {
Result.getInt().extOrTrunc((unsigned)Info.Ctx.getTypeSize(E->getType()));
return APValue(0, Result.getInt().getZExtValue());
}
-
+
// Cast is of an lvalue, no need to change value.
return Result;
}
@@ -413,10 +425,10 @@ APValue PointerExprEvaluator::VisitCastExpr(const CastExpr* E) {
}
return APValue();
-}
+}
APValue PointerExprEvaluator::VisitCallExpr(CallExpr *E) {
- if (E->isBuiltinCall(Info.Ctx) ==
+ if (E->isBuiltinCall(Info.Ctx) ==
Builtin::BI__builtin___CFStringMakeConstantString)
return APValue(E, 0);
return APValue();
@@ -445,13 +457,13 @@ namespace {
EvalInfo &Info;
APValue GetZeroVector(QualType VecType);
public:
-
+
VectorExprEvaluator(EvalInfo &info) : Info(info) {}
-
+
APValue VisitStmt(Stmt *S) {
return APValue();
}
-
+
APValue VisitParenExpr(ParenExpr *E)
{ return Visit(E->getSubExpr()); }
APValue VisitUnaryExtension(const UnaryOperator *E)
@@ -485,11 +497,11 @@ static bool EvaluateVector(const Expr* E, APValue& Result, EvalInfo &Info) {
}
APValue VectorExprEvaluator::VisitCastExpr(const CastExpr* E) {
- const VectorType *VTy = E->getType()->getAsVectorType();
+ const VectorType *VTy = E->getType()->getAs<VectorType>();
QualType EltTy = VTy->getElementType();
unsigned NElts = VTy->getNumElements();
unsigned EltWidth = Info.Ctx.getTypeSize(EltTy);
-
+
const Expr* SE = E->getSubExpr();
QualType SETy = SE->getType();
APValue Result = APValue();
@@ -539,12 +551,12 @@ APValue VectorExprEvaluator::VisitCastExpr(const CastExpr* E) {
// element.
APSInt Init;
Init = Result.isInt() ? Result.getInt() : Result.getFloat().bitcastToAPInt();
-
+
llvm::SmallVector<APValue, 4> Elts;
for (unsigned i = 0; i != NElts; ++i) {
APSInt Tmp = Init;
Tmp.extOrTrunc(EltWidth);
-
+
if (EltTy->isIntegerType())
Elts.push_back(APValue(Tmp));
else if (EltTy->isRealFloatingType())
@@ -557,17 +569,17 @@ APValue VectorExprEvaluator::VisitCastExpr(const CastExpr* E) {
return APValue(&Elts[0], Elts.size());
}
-APValue
+APValue
VectorExprEvaluator::VisitCompoundLiteralExpr(const CompoundLiteralExpr *E) {
return this->Visit(const_cast<Expr*>(E->getInitializer()));
}
-APValue
+APValue
VectorExprEvaluator::VisitInitListExpr(const InitListExpr *E) {
- const VectorType *VT = E->getType()->getAsVectorType();
+ const VectorType *VT = E->getType()->getAs<VectorType>();
unsigned NumInits = E->getNumInits();
unsigned NumElements = VT->getNumElements();
-
+
QualType EltTy = VT->getElementType();
llvm::SmallVector<APValue, 4> Elements;
@@ -595,9 +607,9 @@ VectorExprEvaluator::VisitInitListExpr(const InitListExpr *E) {
return APValue(&Elements[0], Elements.size());
}
-APValue
+APValue
VectorExprEvaluator::GetZeroVector(QualType T) {
- const VectorType *VT = T->getAsVectorType();
+ const VectorType *VT = T->getAs<VectorType>();
QualType EltTy = VT->getElementType();
APValue ZeroElement;
if (EltTy->isIntegerType())
@@ -676,20 +688,20 @@ public:
}
return false;
}
-
+
//===--------------------------------------------------------------------===//
// Visitor Methods
//===--------------------------------------------------------------------===//
-
+
bool VisitStmt(Stmt *) {
assert(0 && "This should be called on integers, stmts are not integers");
return false;
}
-
+
bool VisitExpr(Expr *E) {
return Error(E->getLocStart(), diag::note_invalid_subexpr_in_ice, E);
}
-
+
bool VisitParenExpr(ParenExpr *E) { return Visit(E->getSubExpr()); }
bool VisitIntegerLiteral(const IntegerLiteral *E) {
@@ -704,7 +716,7 @@ public:
// be able to strip CRV qualifiers from the type.
QualType T0 = Info.Ctx.getCanonicalType(E->getArgType1());
QualType T1 = Info.Ctx.getCanonicalType(E->getArgType2());
- return Success(Info.Ctx.typesAreCompatible(T0.getUnqualifiedType(),
+ return Success(Info.Ctx.typesAreCompatible(T0.getUnqualifiedType(),
T1.getUnqualifiedType()),
E);
}
@@ -720,11 +732,11 @@ public:
bool VisitCXXBoolLiteralExpr(const CXXBoolLiteralExpr *E) {
return Success(E->getValue(), E);
}
-
+
bool VisitGNUNullExpr(const GNUNullExpr *E) {
return Success(0, E);
}
-
+
bool VisitCXXZeroInitValueExpr(const CXXZeroInitValueExpr *E) {
return Success(0, E);
}
@@ -734,7 +746,7 @@ public:
}
bool VisitUnaryTypeTraitExpr(const UnaryTypeTraitExpr *E) {
- return Success(E->EvaluateTrait(), E);
+ return Success(E->EvaluateTrait(Info.Ctx), E);
}
bool VisitChooseExpr(const ChooseExpr *E) {
@@ -754,7 +766,7 @@ private:
static bool EvaluateIntegerOrLValue(const Expr* E, APValue &Result, EvalInfo &Info) {
if (!E->getType()->isIntegralType())
return false;
-
+
return IntExprEvaluator(Info, Result).Visit(const_cast<Expr*>(E));
}
@@ -781,7 +793,7 @@ bool IntExprEvaluator::VisitDeclRefExpr(const DeclRefExpr *E) {
// In C++, const, non-volatile integers initialized with ICEs are ICEs.
// In C, they can also be folded, although they are not ICEs.
- if (E->getType().getCVRQualifiers() == QualType::Const) {
+ if (E->getType().getCVRQualifiers() == Qualifiers::Const) {
if (const VarDecl *D = dyn_cast<VarDecl>(E->getDecl())) {
if (APValue *V = D->getEvaluatedValue())
return Success(V->getInt(), E);
@@ -817,12 +829,12 @@ static int EvaluateBuiltinClassifyType(const CallExpr *E) {
array_type_class, string_type_class,
lang_type_class
};
-
- // If no argument was supplied, default to "no_type_class". This isn't
+
+ // If no argument was supplied, default to "no_type_class". This isn't
// ideal, however it is what gcc does.
if (E->getNumArgs() == 0)
return no_type_class;
-
+
QualType ArgTy = E->getArg(0)->getType();
if (ArgTy->isVoidType())
return void_type_class;
@@ -863,11 +875,17 @@ bool IntExprEvaluator::VisitCallExpr(const CallExpr *E) {
return Error(E->getLocStart(), diag::note_invalid_subexpr_in_ice, E);
case Builtin::BI__builtin_classify_type:
return Success(EvaluateBuiltinClassifyType(E), E);
-
+
case Builtin::BI__builtin_constant_p:
// __builtin_constant_p always has one operand: it returns true if that
// operand can be folded, false otherwise.
return Success(E->getArg(0)->isEvaluatable(Info.Ctx), E);
+
+ case Builtin::BI__builtin_eh_return_data_regno: {
+ int Operand = E->getArg(0)->EvaluateAsInt(Info.Ctx).getZExtValue();
+ Operand = Info.Ctx.Target.getEHDataRegisterNumber(Operand);
+ return Success(Operand, E);
+ }
}
}
@@ -888,7 +906,7 @@ bool IntExprEvaluator::VisitBinaryOperator(const BinaryOperator *E) {
// These need to be handled specially because the operands aren't
// necessarily integral
bool lhsResult, rhsResult;
-
+
if (HandleConversionToBool(E->getLHS(), lhsResult, Info)) {
// We were able to evaluate the LHS, see if we can get away with not
// evaluating the RHS: 0 && X -> 0, 1 || X -> 1
@@ -905,7 +923,7 @@ bool IntExprEvaluator::VisitBinaryOperator(const BinaryOperator *E) {
if (HandleConversionToBool(E->getRHS(), rhsResult, Info)) {
// We can't evaluate the LHS; however, sometimes the result
// is determined by the RHS: X && 0 -> 0, X || 1 -> 1.
- if (rhsResult == (E->getOpcode() == BinaryOperator::LOr) ||
+ if (rhsResult == (E->getOpcode() == BinaryOperator::LOr) ||
!rhsResult == (E->getOpcode() == BinaryOperator::LAnd)) {
// Since we weren't able to evaluate the left hand side, it
// must have had side effects.
@@ -933,9 +951,9 @@ bool IntExprEvaluator::VisitBinaryOperator(const BinaryOperator *E) {
return false;
if (LHS.isComplexFloat()) {
- APFloat::cmpResult CR_r =
+ APFloat::cmpResult CR_r =
LHS.getComplexFloatReal().compare(RHS.getComplexFloatReal());
- APFloat::cmpResult CR_i =
+ APFloat::cmpResult CR_i =
LHS.getComplexFloatImag().compare(RHS.getComplexFloatImag());
if (E->getOpcode() == BinaryOperator::EQ)
@@ -944,9 +962,9 @@ bool IntExprEvaluator::VisitBinaryOperator(const BinaryOperator *E) {
else {
assert(E->getOpcode() == BinaryOperator::NE &&
"Invalid complex comparison.");
- return Success(((CR_r == APFloat::cmpGreaterThan ||
+ return Success(((CR_r == APFloat::cmpGreaterThan ||
CR_r == APFloat::cmpLessThan) &&
- (CR_i == APFloat::cmpGreaterThan ||
+ (CR_i == APFloat::cmpGreaterThan ||
CR_i == APFloat::cmpLessThan)), E);
}
} else {
@@ -961,17 +979,17 @@ bool IntExprEvaluator::VisitBinaryOperator(const BinaryOperator *E) {
}
}
}
-
+
if (LHSTy->isRealFloatingType() &&
RHSTy->isRealFloatingType()) {
APFloat RHS(0.0), LHS(0.0);
-
+
if (!EvaluateFloat(E->getRHS(), RHS, Info))
return false;
-
+
if (!EvaluateFloat(E->getLHS(), LHS, Info))
return false;
-
+
APFloat::cmpResult CR = LHS.compare(RHS);
switch (E->getOpcode()) {
@@ -984,16 +1002,16 @@ bool IntExprEvaluator::VisitBinaryOperator(const BinaryOperator *E) {
case BinaryOperator::LE:
return Success(CR == APFloat::cmpLessThan || CR == APFloat::cmpEqual, E);
case BinaryOperator::GE:
- return Success(CR == APFloat::cmpGreaterThan || CR == APFloat::cmpEqual,
+ return Success(CR == APFloat::cmpGreaterThan || CR == APFloat::cmpEqual,
E);
case BinaryOperator::EQ:
return Success(CR == APFloat::cmpEqual, E);
case BinaryOperator::NE:
- return Success(CR == APFloat::cmpGreaterThan
+ return Success(CR == APFloat::cmpGreaterThan
|| CR == APFloat::cmpLessThan, E);
}
}
-
+
if (LHSTy->isPointerType() && RHSTy->isPointerType()) {
if (E->getOpcode() == BinaryOperator::Sub || E->isEqualityOp()) {
APValue LHSValue;
@@ -1028,7 +1046,7 @@ bool IntExprEvaluator::VisitBinaryOperator(const BinaryOperator *E) {
if (E->getOpcode() == BinaryOperator::Sub) {
const QualType Type = E->getLHS()->getType();
- const QualType ElementType = Type->getAsPointerType()->getPointeeType();
+ const QualType ElementType = Type->getAs<PointerType>()->getPointeeType();
uint64_t D = LHSValue.getLValueOffset() - RHSValue.getLValueOffset();
if (!ElementType->isVoidType() && !ElementType->isFunctionType())
@@ -1105,16 +1123,16 @@ bool IntExprEvaluator::VisitBinaryOperator(const BinaryOperator *E) {
return Success(Result.getInt() % RHS, E);
case BinaryOperator::Shl: {
// FIXME: Warn about out of range shift amounts!
- unsigned SA =
+ unsigned SA =
(unsigned) RHS.getLimitedValue(Result.getInt().getBitWidth()-1);
return Success(Result.getInt() << SA, E);
}
case BinaryOperator::Shr: {
- unsigned SA =
+ unsigned SA =
(unsigned) RHS.getLimitedValue(Result.getInt().getBitWidth()-1);
return Success(Result.getInt() >> SA, E);
}
-
+
case BinaryOperator::LT: return Success(Result.getInt() < RHS, E);
case BinaryOperator::GT: return Success(Result.getInt() > RHS, E);
case BinaryOperator::LE: return Success(Result.getInt() <= RHS, E);
@@ -1144,7 +1162,7 @@ unsigned IntExprEvaluator::GetAlignOfExpr(const Expr *E) {
E = E->IgnoreParens();
// alignof decl is always accepted, even if it doesn't make sense: we default
- // to 1 in those cases.
+ // to 1 in those cases.
if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(E))
return Info.Ctx.getDeclAlignInBytes(DRE->getDecl());
@@ -1224,7 +1242,7 @@ bool IntExprEvaluator::VisitUnaryOperator(const UnaryOperator *E) {
// If so, we could clear the diagnostic ID.
return true;
case UnaryOperator::Plus:
- // The result is always just the subexpr.
+ // The result is always just the subexpr.
return true;
case UnaryOperator::Minus:
if (!Result.isInt()) return false;
@@ -1234,7 +1252,7 @@ bool IntExprEvaluator::VisitUnaryOperator(const UnaryOperator *E) {
return Success(~Result.getInt(), E);
}
}
-
+
/// HandleCast - This is used to evaluate implicit or explicit casts where the
/// result type is integer.
bool IntExprEvaluator::VisitCastExpr(CastExpr *E) {
@@ -1262,7 +1280,7 @@ bool IntExprEvaluator::VisitCastExpr(CastExpr *E) {
return Success(HandleIntToIntCast(DestType, SrcType,
Result.getInt(), Info.Ctx), E);
}
-
+
// FIXME: Clean this up!
if (SrcType->isPointerType()) {
APValue LV;
@@ -1316,7 +1334,7 @@ bool IntExprEvaluator::VisitCastExpr(CastExpr *E) {
APFloat F(0.0);
if (!EvaluateFloat(SubExpr, F, Info))
return Error(E->getExprLoc(), diag::note_invalid_subexpr_in_ice, E);
-
+
return Success(HandleFloatToIntCast(DestType, SrcType, F, Info.Ctx), E);
}
@@ -1399,13 +1417,13 @@ bool FloatExprEvaluator::VisitCallExpr(const CallExpr *E) {
Result = llvm::APFloat::getInf(Sem);
return true;
}
-
+
case Builtin::BI__builtin_nan:
case Builtin::BI__builtin_nanf:
case Builtin::BI__builtin_nanl:
// If this is __builtin_nan() turn this into a nan, otherwise we
// can't constant fold it.
- if (const StringLiteral *S =
+ if (const StringLiteral *S =
dyn_cast<StringLiteral>(E->getArg(0)->IgnoreParenCasts())) {
if (!S->isWide()) {
const llvm::fltSemantics &Sem =
@@ -1430,13 +1448,13 @@ bool FloatExprEvaluator::VisitCallExpr(const CallExpr *E) {
case Builtin::BI__builtin_fabsl:
if (!EvaluateFloat(E->getArg(0), Result, Info))
return false;
-
+
if (Result.isNegative())
Result.changeSign();
return true;
- case Builtin::BI__builtin_copysign:
- case Builtin::BI__builtin_copysignf:
+ case Builtin::BI__builtin_copysign:
+ case Builtin::BI__builtin_copysignf:
case Builtin::BI__builtin_copysignl: {
APFloat RHS(0.);
if (!EvaluateFloat(E->getArg(0), Result, Info) ||
@@ -1457,7 +1475,7 @@ bool FloatExprEvaluator::VisitUnaryOperator(const UnaryOperator *E) {
switch (E->getOpcode()) {
default: return false;
- case UnaryOperator::Plus:
+ case UnaryOperator::Plus:
return true;
case UnaryOperator::Minus:
Result.changeSign();
@@ -1498,12 +1516,12 @@ bool FloatExprEvaluator::VisitFloatingLiteral(const FloatingLiteral *E) {
bool FloatExprEvaluator::VisitCastExpr(CastExpr *E) {
Expr* SubExpr = E->getSubExpr();
-
+
if (SubExpr->getType()->isIntegralType()) {
APSInt IntResult;
if (!EvaluateInteger(SubExpr, IntResult, Info))
return false;
- Result = HandleIntToFloatCast(E->getType(), SubExpr->getType(),
+ Result = HandleIntToFloatCast(E->getType(), SubExpr->getType(),
IntResult, Info.Ctx);
return true;
}
@@ -1532,10 +1550,10 @@ namespace {
class VISIBILITY_HIDDEN ComplexExprEvaluator
: public StmtVisitor<ComplexExprEvaluator, APValue> {
EvalInfo &Info;
-
+
public:
ComplexExprEvaluator(EvalInfo &info) : Info(info) {}
-
+
//===--------------------------------------------------------------------===//
// Visitor Methods
//===--------------------------------------------------------------------===//
@@ -1543,7 +1561,7 @@ public:
APValue VisitStmt(Stmt *S) {
return APValue();
}
-
+
APValue VisitParenExpr(ParenExpr *E) { return Visit(E->getSubExpr()); }
APValue VisitImaginaryLiteral(ImaginaryLiteral *E) {
@@ -1554,17 +1572,17 @@ public:
if (!EvaluateFloat(SubExpr, Result, Info))
return APValue();
-
- return APValue(APFloat(Result.getSemantics(), APFloat::fcZero, false),
+
+ return APValue(APFloat(Result.getSemantics(), APFloat::fcZero, false),
Result);
} else {
- assert(SubExpr->getType()->isIntegerType() &&
+ assert(SubExpr->getType()->isIntegerType() &&
"Unexpected imaginary literal.");
llvm::APSInt Result;
if (!EvaluateInteger(SubExpr, Result, Info))
return APValue();
-
+
llvm::APSInt Zero(Result.getBitWidth(), !Result.isSigned());
Zero = 0;
return APValue(Zero, Result);
@@ -1573,7 +1591,7 @@ public:
APValue VisitCastExpr(CastExpr *E) {
Expr* SubExpr = E->getSubExpr();
- QualType EltType = E->getType()->getAsComplexType()->getElementType();
+ QualType EltType = E->getType()->getAs<ComplexType>()->getElementType();
QualType SubType = SubExpr->getType();
if (SubType->isRealFloatingType()) {
@@ -1584,7 +1602,7 @@ public:
if (EltType->isRealFloatingType()) {
Result = HandleFloatToFloatCast(EltType, SubType, Result, Info.Ctx);
- return APValue(Result,
+ return APValue(Result,
APFloat(Result.getSemantics(), APFloat::fcZero, false));
} else {
llvm::APSInt IResult;
@@ -1602,7 +1620,7 @@ public:
if (EltType->isRealFloatingType()) {
APFloat FResult =
HandleIntToFloatCast(EltType, SubType, Result, Info.Ctx);
- return APValue(FResult,
+ return APValue(FResult,
APFloat(FResult.getSemantics(), APFloat::fcZero, false));
} else {
Result = HandleIntToIntCast(EltType, SubType, Result, Info.Ctx);
@@ -1610,7 +1628,7 @@ public:
Zero = 0;
return APValue(Result, Zero);
}
- } else if (const ComplexType *CT = SubType->getAsComplexType()) {
+ } else if (const ComplexType *CT = SubType->getAs<ComplexType>()) {
APValue Src;
if (!EvaluateComplex(SubExpr, Src, Info))
@@ -1620,36 +1638,36 @@ public:
if (Src.isComplexFloat()) {
if (EltType->isRealFloatingType()) {
- return APValue(HandleFloatToFloatCast(EltType, SrcType,
+ return APValue(HandleFloatToFloatCast(EltType, SrcType,
Src.getComplexFloatReal(),
Info.Ctx),
- HandleFloatToFloatCast(EltType, SrcType,
+ HandleFloatToFloatCast(EltType, SrcType,
Src.getComplexFloatImag(),
Info.Ctx));
} else {
return APValue(HandleFloatToIntCast(EltType, SrcType,
Src.getComplexFloatReal(),
Info.Ctx),
- HandleFloatToIntCast(EltType, SrcType,
+ HandleFloatToIntCast(EltType, SrcType,
Src.getComplexFloatImag(),
- Info.Ctx));
+ Info.Ctx));
}
} else {
assert(Src.isComplexInt() && "Invalid evaluate result.");
if (EltType->isRealFloatingType()) {
- return APValue(HandleIntToFloatCast(EltType, SrcType,
+ return APValue(HandleIntToFloatCast(EltType, SrcType,
Src.getComplexIntReal(),
Info.Ctx),
- HandleIntToFloatCast(EltType, SrcType,
+ HandleIntToFloatCast(EltType, SrcType,
Src.getComplexIntImag(),
Info.Ctx));
} else {
return APValue(HandleIntToIntCast(EltType, SrcType,
Src.getComplexIntReal(),
Info.Ctx),
- HandleIntToIntCast(EltType, SrcType,
+ HandleIntToIntCast(EltType, SrcType,
Src.getComplexIntImag(),
- Info.Ctx));
+ Info.Ctx));
}
}
}
@@ -1657,7 +1675,7 @@ public:
// FIXME: Handle more casts.
return APValue();
}
-
+
APValue VisitBinaryOperator(const BinaryOperator *E);
APValue VisitChooseExpr(const ChooseExpr *E)
{ return Visit(E->getChosenSubExpr(Info.Ctx)); }
@@ -1668,23 +1686,21 @@ public:
};
} // end anonymous namespace
-static bool EvaluateComplex(const Expr *E, APValue &Result, EvalInfo &Info)
-{
+static bool EvaluateComplex(const Expr *E, APValue &Result, EvalInfo &Info) {
Result = ComplexExprEvaluator(Info).Visit(const_cast<Expr*>(E));
assert((!Result.isComplexFloat() ||
- (&Result.getComplexFloatReal().getSemantics() ==
- &Result.getComplexFloatImag().getSemantics())) &&
+ (&Result.getComplexFloatReal().getSemantics() ==
+ &Result.getComplexFloatImag().getSemantics())) &&
"Invalid complex evaluation.");
return Result.isComplexFloat() || Result.isComplexInt();
}
-APValue ComplexExprEvaluator::VisitBinaryOperator(const BinaryOperator *E)
-{
+APValue ComplexExprEvaluator::VisitBinaryOperator(const BinaryOperator *E) {
APValue Result, RHS;
-
+
if (!EvaluateComplex(E->getLHS(), Result, Info))
return APValue();
-
+
if (!EvaluateComplex(E->getRHS(), RHS, Info))
return APValue();
@@ -1721,7 +1737,7 @@ APValue ComplexExprEvaluator::VisitBinaryOperator(const BinaryOperator *E)
APFloat &LHS_i = LHS.getComplexFloatImag();
APFloat &RHS_r = RHS.getComplexFloatReal();
APFloat &RHS_i = RHS.getComplexFloatImag();
-
+
APFloat Tmp = LHS_r;
Tmp.multiply(RHS_r, APFloat::rmNearestTiesToEven);
Result.getComplexFloatReal() = Tmp;
@@ -1737,10 +1753,10 @@ APValue ComplexExprEvaluator::VisitBinaryOperator(const BinaryOperator *E)
Result.getComplexFloatImag().add(Tmp, APFloat::rmNearestTiesToEven);
} else {
APValue LHS = Result;
- Result.getComplexIntReal() =
+ Result.getComplexIntReal() =
(LHS.getComplexIntReal() * RHS.getComplexIntReal() -
LHS.getComplexIntImag() * RHS.getComplexIntImag());
- Result.getComplexIntImag() =
+ Result.getComplexIntImag() =
(LHS.getComplexIntReal() * RHS.getComplexIntImag() +
LHS.getComplexIntImag() * RHS.getComplexIntReal());
}
@@ -1774,7 +1790,7 @@ bool Expr::Evaluate(EvalResult &Result, ASTContext &Ctx) const {
llvm::APFloat f(0.0);
if (!EvaluateFloat(this, f, Info))
return false;
-
+
Result.Val = APValue(f);
} else if (getType()->isAnyComplexType()) {
if (!EvaluateComplex(this, Result.Val, Info))
@@ -1791,6 +1807,12 @@ bool Expr::EvaluateAsLValue(EvalResult &Result, ASTContext &Ctx) const {
return EvaluateLValue(this, Result.Val, Info) && !Result.HasSideEffects;
}
+bool Expr::EvaluateAsAnyLValue(EvalResult &Result, ASTContext &Ctx) const {
+ EvalInfo Info(Ctx, Result, true);
+
+ return EvaluateLValue(this, Result.Val, Info) && !Result.HasSideEffects;
+}
+
/// isEvaluatable - Call Evaluate to see if this expression can be constant
/// folded, but discard the result.
bool Expr::isEvaluatable(ASTContext &Ctx) const {
diff --git a/lib/AST/InheritViz.cpp b/lib/AST/InheritViz.cpp
index dd2fc14ab2a4..c47a9dadbadd 100644
--- a/lib/AST/InheritViz.cpp
+++ b/lib/AST/InheritViz.cpp
@@ -89,8 +89,8 @@ void InheritanceHierarchyWriter::WriteNode(QualType Type, bool FromVirtual) {
Out << " \"];\n";
// Display the base classes.
- const CXXRecordDecl *Decl
- = static_cast<const CXXRecordDecl *>(Type->getAsRecordType()->getDecl());
+ const CXXRecordDecl *Decl
+ = static_cast<const CXXRecordDecl *>(Type->getAs<RecordType>()->getDecl());
for (CXXRecordDecl::base_class_const_iterator Base = Decl->bases_begin();
Base != Decl->bases_end(); ++Base) {
QualType CanonBaseType = Context.getCanonicalType(Base->getType());
@@ -120,8 +120,8 @@ void InheritanceHierarchyWriter::WriteNode(QualType Type, bool FromVirtual) {
/// WriteNodeReference - Write out a reference to the given node,
/// using a unique identifier for each direct base and for the
/// (only) virtual base.
-llvm::raw_ostream&
-InheritanceHierarchyWriter::WriteNodeReference(QualType Type,
+llvm::raw_ostream&
+InheritanceHierarchyWriter::WriteNodeReference(QualType Type,
bool FromVirtual) {
QualType CanonType = Context.getCanonicalType(Type);
@@ -149,7 +149,7 @@ void CXXRecordDecl::viewInheritance(ASTContext& Context) const {
llvm::errs() << "Writing '" << Filename.c_str() << "'... ";
- llvm::raw_fd_ostream O(Filename.c_str(), false, ErrMsg);
+ llvm::raw_fd_ostream O(Filename.c_str(), ErrMsg);
if (ErrMsg.empty()) {
InheritanceHierarchyWriter Writer(Context, O);
diff --git a/lib/AST/NestedNameSpecifier.cpp b/lib/AST/NestedNameSpecifier.cpp
index 90ec4d33fdfe..d969776aa0ee 100644
--- a/lib/AST/NestedNameSpecifier.cpp
+++ b/lib/AST/NestedNameSpecifier.cpp
@@ -22,13 +22,13 @@
using namespace clang;
NestedNameSpecifier *
-NestedNameSpecifier::FindOrInsert(ASTContext &Context,
+NestedNameSpecifier::FindOrInsert(ASTContext &Context,
const NestedNameSpecifier &Mockup) {
llvm::FoldingSetNodeID ID;
Mockup.Profile(ID);
void *InsertPos = 0;
- NestedNameSpecifier *NNS
+ NestedNameSpecifier *NNS
= Context.NestedNameSpecifiers.FindNodeOrInsertPos(ID, InsertPos);
if (!NNS) {
NNS = new (Context, 4) NestedNameSpecifier(Mockup);
@@ -39,10 +39,10 @@ NestedNameSpecifier::FindOrInsert(ASTContext &Context,
}
NestedNameSpecifier *
-NestedNameSpecifier::Create(ASTContext &Context, NestedNameSpecifier *Prefix,
+NestedNameSpecifier::Create(ASTContext &Context, NestedNameSpecifier *Prefix,
IdentifierInfo *II) {
assert(II && "Identifier cannot be NULL");
- assert(Prefix && Prefix->isDependent() && "Prefix must be dependent");
+ assert((!Prefix || Prefix->isDependent()) && "Prefix must be dependent");
NestedNameSpecifier Mockup;
Mockup.Prefix.setPointer(Prefix);
@@ -52,10 +52,10 @@ NestedNameSpecifier::Create(ASTContext &Context, NestedNameSpecifier *Prefix,
}
NestedNameSpecifier *
-NestedNameSpecifier::Create(ASTContext &Context, NestedNameSpecifier *Prefix,
+NestedNameSpecifier::Create(ASTContext &Context, NestedNameSpecifier *Prefix,
NamespaceDecl *NS) {
assert(NS && "Namespace cannot be NULL");
- assert((!Prefix ||
+ assert((!Prefix ||
(Prefix->getAsType() == 0 && Prefix->getAsIdentifier() == 0)) &&
"Broken nested name specifier");
NestedNameSpecifier Mockup;
@@ -75,7 +75,17 @@ NestedNameSpecifier::Create(ASTContext &Context, NestedNameSpecifier *Prefix,
Mockup.Specifier = T;
return FindOrInsert(Context, Mockup);
}
-
+
+NestedNameSpecifier *
+NestedNameSpecifier::Create(ASTContext &Context, IdentifierInfo *II) {
+ assert(II && "Identifier cannot be NULL");
+ NestedNameSpecifier Mockup;
+ Mockup.Prefix.setPointer(0);
+ Mockup.Prefix.setInt(Identifier);
+ Mockup.Specifier = II;
+ return FindOrInsert(Context, Mockup);
+}
+
NestedNameSpecifier *NestedNameSpecifier::GlobalSpecifier(ASTContext &Context) {
if (!Context.GlobalNestedNameSpecifier)
Context.GlobalNestedNameSpecifier = new (Context, 4) NestedNameSpecifier();
@@ -105,8 +115,8 @@ bool NestedNameSpecifier::isDependent() const {
/// \brief Print this nested name specifier to the given output
/// stream.
-void
-NestedNameSpecifier::print(llvm::raw_ostream &OS,
+void
+NestedNameSpecifier::print(llvm::raw_ostream &OS,
const PrintingPolicy &Policy) const {
if (getPrefix())
getPrefix()->print(OS, Policy);
@@ -131,15 +141,34 @@ NestedNameSpecifier::print(llvm::raw_ostream &OS,
std::string TypeStr;
Type *T = getAsType();
- // If this is a qualified name type, suppress the qualification:
- // it's part of our nested-name-specifier sequence anyway. FIXME:
- // We should be able to assert that this doesn't happen.
- if (const QualifiedNameType *QualT = dyn_cast<QualifiedNameType>(T))
- T = QualT->getNamedType().getTypePtr();
-
PrintingPolicy InnerPolicy(Policy);
InnerPolicy.SuppressTagKind = true;
- T->getAsStringInternal(TypeStr, InnerPolicy);
+ InnerPolicy.SuppressScope = true;
+
+ // Nested-name-specifiers are intended to contain minimally-qualified
+ // types. An actual QualifiedNameType will not occur, since we'll store
+ // just the type that is referred to in the nested-name-specifier (e.g.,
+ // a TypedefType, TagType, etc.). However, when we are dealing with
+ // dependent template-id types (e.g., Outer<T>::template Inner<U>),
+ // the type requires its own nested-name-specifier for uniqueness, so we
+ // suppress that nested-name-specifier during printing.
+ assert(!isa<QualifiedNameType>(T) &&
+ "Qualified name type in nested-name-specifier");
+ if (const TemplateSpecializationType *SpecType
+ = dyn_cast<TemplateSpecializationType>(T)) {
+ // Print the template name without its corresponding
+ // nested-name-specifier.
+ SpecType->getTemplateName().print(OS, InnerPolicy, true);
+
+ // Print the template argument list.
+ TypeStr = TemplateSpecializationType::PrintTemplateArgumentList(
+ SpecType->getArgs(),
+ SpecType->getNumArgs(),
+ InnerPolicy);
+ } else {
+ // Print the type normally
+ T->getAsStringInternal(TypeStr, InnerPolicy);
+ }
OS << TypeStr;
break;
}
diff --git a/lib/AST/ParentMap.cpp b/lib/AST/ParentMap.cpp
index 9d87daa0bfd8..48251d52fd2a 100644
--- a/lib/AST/ParentMap.cpp
+++ b/lib/AST/ParentMap.cpp
@@ -32,7 +32,7 @@ ParentMap::ParentMap(Stmt* S) : Impl(0) {
if (S) {
MapTy *M = new MapTy();
BuildParentMap(*M, S);
- Impl = M;
+ Impl = M;
}
}
@@ -54,16 +54,16 @@ Stmt *ParentMap::getParentIgnoreParens(Stmt *S) const {
bool ParentMap::isConsumedExpr(Expr* E) const {
Stmt *P = getParent(E);
Stmt *DirectChild = E;
-
+
// Ignore parents that are parentheses or casts.
while (P && (isa<ParenExpr>(P) || isa<CastExpr>(P))) {
DirectChild = P;
P = getParent(P);
}
-
+
if (!P)
return false;
-
+
switch (P->getStmtClass()) {
default:
return isa<Expr>(P);
@@ -78,7 +78,7 @@ bool ParentMap::isConsumedExpr(Expr* E) const {
case Stmt::ForStmtClass:
return DirectChild == cast<ForStmt>(P)->getCond();
case Stmt::WhileStmtClass:
- return DirectChild == cast<WhileStmt>(P)->getCond();
+ return DirectChild == cast<WhileStmt>(P)->getCond();
case Stmt::DoStmtClass:
return DirectChild == cast<DoStmt>(P)->getCond();
case Stmt::IfStmtClass:
diff --git a/lib/AST/RecordLayoutBuilder.cpp b/lib/AST/RecordLayoutBuilder.cpp
new file mode 100644
index 000000000000..c79cc3c1dbb1
--- /dev/null
+++ b/lib/AST/RecordLayoutBuilder.cpp
@@ -0,0 +1,674 @@
+//=== ASTRecordLayoutBuilder.cpp - Helper class for building record layouts ==//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "RecordLayoutBuilder.h"
+
+#include "clang/AST/Attr.h"
+#include "clang/AST/Decl.h"
+#include "clang/AST/DeclCXX.h"
+#include "clang/AST/DeclObjC.h"
+#include "clang/AST/Expr.h"
+#include "clang/AST/RecordLayout.h"
+#include "clang/Basic/TargetInfo.h"
+#include <llvm/ADT/SmallSet.h>
+#include <llvm/Support/MathExtras.h>
+
+using namespace clang;
+
+ASTRecordLayoutBuilder::ASTRecordLayoutBuilder(ASTContext &Ctx)
+ : Ctx(Ctx), Size(0), Alignment(8), Packed(false), MaxFieldAlignment(0),
+ DataSize(0), IsUnion(false), NonVirtualSize(0), NonVirtualAlignment(8),
+ PrimaryBase(0), PrimaryBaseWasVirtual(false) {}
+
+/// LayoutVtable - Lay out the vtable and set PrimaryBase.
+void ASTRecordLayoutBuilder::LayoutVtable(const CXXRecordDecl *RD) {
+ if (!RD->isDynamicClass()) {
+ // There is no primary base in this case.
+ return;
+ }
+
+ SelectPrimaryBase(RD);
+ if (PrimaryBase == 0) {
+ int AS = 0;
+ UpdateAlignment(Ctx.Target.getPointerAlign(AS));
+ Size += Ctx.Target.getPointerWidth(AS);
+ DataSize = Size;
+ }
+}
+
+void
+ASTRecordLayoutBuilder::LayoutNonVirtualBases(const CXXRecordDecl *RD) {
+ for (CXXRecordDecl::base_class_const_iterator i = RD->bases_begin(),
+ e = RD->bases_end(); i != e; ++i) {
+ if (!i->isVirtual()) {
+ const CXXRecordDecl *Base =
+ cast<CXXRecordDecl>(i->getType()->getAs<RecordType>()->getDecl());
+ // Skip the PrimaryBase here, as it is laid down first.
+ if (Base != PrimaryBase || PrimaryBaseWasVirtual)
+ LayoutBaseNonVirtually(Base, false);
+ }
+ }
+}
+
+// Helper routines related to the abi definition from:
+// http://www.codesourcery.com/public/cxx-abi/abi.html
+//
+/// IsNearlyEmpty - Indicates when a class has a vtable pointer, but
+/// no other data.
+bool ASTRecordLayoutBuilder::IsNearlyEmpty(const CXXRecordDecl *RD) const {
+ // FIXME: Audit the corners
+ if (!RD->isDynamicClass())
+ return false;
+ const ASTRecordLayout &BaseInfo = Ctx.getASTRecordLayout(RD);
+ if (BaseInfo.getNonVirtualSize() == Ctx.Target.getPointerWidth(0))
+ return true;
+ return false;
+}
+
+void ASTRecordLayoutBuilder::IdentifyPrimaryBases(const CXXRecordDecl *RD) {
+ const ASTRecordLayout &Layout = Ctx.getASTRecordLayout(RD);
+
+ // If the record has a primary base class that is virtual, add it to the set
+ // of primary bases.
+ if (Layout.getPrimaryBaseWasVirtual())
+ IndirectPrimaryBases.insert(Layout.getPrimaryBase());
+
+ // Now traverse all bases and find primary bases for them.
+ for (CXXRecordDecl::base_class_const_iterator i = RD->bases_begin(),
+ e = RD->bases_end(); i != e; ++i) {
+ const CXXRecordDecl *Base =
+ cast<CXXRecordDecl>(i->getType()->getAs<RecordType>()->getDecl());
+
+ // Only bases with virtual bases participate in computing the
+ // indirect primary virtual base classes.
+ if (Base->getNumVBases())
+ IdentifyPrimaryBases(Base);
+ }
+}
+
+void
+ASTRecordLayoutBuilder::SelectPrimaryVBase(const CXXRecordDecl *RD,
+ const CXXRecordDecl *&FirstPrimary) {
+ for (CXXRecordDecl::base_class_const_iterator i = RD->bases_begin(),
+ e = RD->bases_end(); i != e; ++i) {
+ const CXXRecordDecl *Base =
+ cast<CXXRecordDecl>(i->getType()->getAs<RecordType>()->getDecl());
+ if (!i->isVirtual()) {
+ SelectPrimaryVBase(Base, FirstPrimary);
+ if (PrimaryBase)
+ return;
+ continue;
+ }
+ if (IsNearlyEmpty(Base)) {
+ if (FirstPrimary==0)
+ FirstPrimary = Base;
+ if (!IndirectPrimaryBases.count(Base)) {
+ setPrimaryBase(Base, true);
+ return;
+ }
+ }
+ }
+}
+
+/// SelectPrimaryBase - Selects the primary base for the given class and
+/// record that with setPrimaryBase. We also calculate the IndirectPrimaries.
+void ASTRecordLayoutBuilder::SelectPrimaryBase(const CXXRecordDecl *RD) {
+ // Compute all the primary virtual bases for all of our direct and
+ // indirect bases, and record all their primary virtual base classes.
+ for (CXXRecordDecl::base_class_const_iterator i = RD->bases_begin(),
+ e = RD->bases_end(); i != e; ++i) {
+ const CXXRecordDecl *Base =
+ cast<CXXRecordDecl>(i->getType()->getAs<RecordType>()->getDecl());
+ IdentifyPrimaryBases(Base);
+ }
+
+ // If the record has a dynamic base class, attempt to choose a primary base
+ // class. It is the first (in direct base class order) non-virtual dynamic
+ // base class, if one exists.
+ for (CXXRecordDecl::base_class_const_iterator i = RD->bases_begin(),
+ e = RD->bases_end(); i != e; ++i) {
+ if (!i->isVirtual()) {
+ const CXXRecordDecl *Base =
+ cast<CXXRecordDecl>(i->getType()->getAs<RecordType>()->getDecl());
+ if (Base->isDynamicClass()) {
+ // We found it.
+ setPrimaryBase(Base, false);
+ return;
+ }
+ }
+ }
+
+ // Otherwise, it is the first nearly empty virtual base that is not an
+ // indirect primary virtual base class, if one exists.
+
+ // If we have no virtual bases at this point, bail out as the searching below
+ // is expensive.
+ if (RD->getNumVBases() == 0)
+ return;
+
+ // Then we can search for the first nearly empty virtual base itself.
+ const CXXRecordDecl *FirstPrimary = 0;
+ SelectPrimaryVBase(RD, FirstPrimary);
+
+ // Otherwise if is the first nearly empty virtual base, if one exists,
+ // otherwise there is no primary base class.
+ if (!PrimaryBase)
+ setPrimaryBase(FirstPrimary, true);
+}
+
+void ASTRecordLayoutBuilder::LayoutVirtualBase(const CXXRecordDecl *RD) {
+ LayoutBaseNonVirtually(RD, true);
+}
+
+void ASTRecordLayoutBuilder::LayoutVirtualBases(const CXXRecordDecl *RD,
+ const CXXRecordDecl *PB,
+ int64_t Offset,
+ llvm::SmallSet<const CXXRecordDecl*, 32> &mark,
+ llvm::SmallSet<const CXXRecordDecl*, 32> &IndirectPrimary) {
+ for (CXXRecordDecl::base_class_const_iterator i = RD->bases_begin(),
+ e = RD->bases_end(); i != e; ++i) {
+ const CXXRecordDecl *Base =
+ cast<CXXRecordDecl>(i->getType()->getAs<RecordType>()->getDecl());
+#if 0
+ const ASTRecordLayout &L = Ctx.getASTRecordLayout(Base);
+ const CXXRecordDecl *PB = L.getPrimaryBase();
+ if (PB && L.getPrimaryBaseWasVirtual()
+ && IndirectPrimary.count(PB)) {
+ int64_t BaseOffset;
+ // FIXME: calculate this.
+ BaseOffset = (1<<63) | (1<<31);
+ VBases.push_back(PB);
+ VBaseOffsets.push_back(BaseOffset);
+ }
+#endif
+ int64_t BaseOffset = Offset;;
+ // FIXME: Calculate BaseOffset.
+ if (i->isVirtual()) {
+ if (Base == PB) {
+ // Only lay things out once.
+ if (mark.count(Base))
+ continue;
+ // Mark it so we don't lay it out twice.
+ mark.insert(Base);
+ assert (IndirectPrimary.count(Base) && "IndirectPrimary was wrong");
+ VBases.push_back(std::make_pair(Base, Offset));
+ } else if (IndirectPrimary.count(Base)) {
+ // Someone else will eventually lay this out.
+ ;
+ } else {
+ // Only lay things out once.
+ if (mark.count(Base))
+ continue;
+ // Mark it so we don't lay it out twice.
+ mark.insert(Base);
+ LayoutVirtualBase(Base);
+ BaseOffset = VBases.back().second;
+ }
+ }
+ if (Base->getNumVBases()) {
+ const ASTRecordLayout &L = Ctx.getASTRecordLayout(Base);
+ const CXXRecordDecl *PB = L.getPrimaryBase();
+ LayoutVirtualBases(Base, PB, BaseOffset, mark, IndirectPrimary);
+ }
+ }
+}
+
+bool ASTRecordLayoutBuilder::canPlaceRecordAtOffset(const CXXRecordDecl *RD,
+ uint64_t Offset) const {
+ // Look for an empty class with the same type at the same offset.
+ for (EmptyClassOffsetsTy::const_iterator I =
+ EmptyClassOffsets.lower_bound(Offset),
+ E = EmptyClassOffsets.upper_bound(Offset); I != E; ++I) {
+
+ if (I->second == RD)
+ return false;
+ }
+
+ const ASTRecordLayout &Info = Ctx.getASTRecordLayout(RD);
+
+ // Check bases.
+ for (CXXRecordDecl::base_class_const_iterator I = RD->bases_begin(),
+ E = RD->bases_end(); I != E; ++I) {
+ if (I->isVirtual())
+ continue;
+
+ const CXXRecordDecl *Base =
+ cast<CXXRecordDecl>(I->getType()->getAs<RecordType>()->getDecl());
+
+ uint64_t BaseClassOffset = Info.getBaseClassOffset(Base);
+
+ if (!canPlaceRecordAtOffset(Base, Offset + BaseClassOffset))
+ return false;
+ }
+
+ // Check fields.
+ unsigned FieldNo = 0;
+ for (CXXRecordDecl::field_iterator I = RD->field_begin(), E = RD->field_end();
+ I != E; ++I, ++FieldNo) {
+ const FieldDecl *FD = *I;
+
+ uint64_t FieldOffset = Info.getFieldOffset(FieldNo);
+
+ if (!canPlaceFieldAtOffset(FD, Offset + FieldOffset))
+ return false;
+ }
+
+ // FIXME: virtual bases.
+ return true;
+}
+
+bool ASTRecordLayoutBuilder::canPlaceFieldAtOffset(const FieldDecl *FD,
+ uint64_t Offset) const {
+ QualType T = FD->getType();
+ if (const RecordType *RT = T->getAs<RecordType>()) {
+ if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl()))
+ return canPlaceRecordAtOffset(RD, Offset);
+ }
+
+ if (const ConstantArrayType *AT = Ctx.getAsConstantArrayType(T)) {
+ QualType ElemTy = Ctx.getBaseElementType(AT);
+ const RecordType *RT = ElemTy->getAs<RecordType>();
+ if (!RT)
+ return true;
+ const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl());
+ if (!RD)
+ return true;
+
+ const ASTRecordLayout &Info = Ctx.getASTRecordLayout(RD);
+
+ uint64_t NumElements = Ctx.getConstantArrayElementCount(AT);
+ unsigned ElementOffset = Offset;
+ for (uint64_t I = 0; I != NumElements; ++I) {
+ if (!canPlaceRecordAtOffset(RD, ElementOffset))
+ return false;
+
+ ElementOffset += Info.getSize();
+ }
+ }
+
+ return true;
+}
+
+void ASTRecordLayoutBuilder::UpdateEmptyClassOffsets(const CXXRecordDecl *RD,
+ uint64_t Offset) {
+ if (RD->isEmpty())
+ EmptyClassOffsets.insert(std::make_pair(Offset, RD));
+
+ const ASTRecordLayout &Info = Ctx.getASTRecordLayout(RD);
+
+ // Update bases.
+ for (CXXRecordDecl::base_class_const_iterator I = RD->bases_begin(),
+ E = RD->bases_end(); I != E; ++I) {
+ if (I->isVirtual())
+ continue;
+
+ const CXXRecordDecl *Base =
+ cast<CXXRecordDecl>(I->getType()->getAs<RecordType>()->getDecl());
+
+ uint64_t BaseClassOffset = Info.getBaseClassOffset(Base);
+ UpdateEmptyClassOffsets(Base, Offset + BaseClassOffset);
+ }
+
+ // Update fields.
+ unsigned FieldNo = 0;
+ for (CXXRecordDecl::field_iterator I = RD->field_begin(), E = RD->field_end();
+ I != E; ++I, ++FieldNo) {
+ const FieldDecl *FD = *I;
+
+ uint64_t FieldOffset = Info.getFieldOffset(FieldNo);
+ UpdateEmptyClassOffsets(FD, Offset + FieldOffset);
+ }
+
+ // FIXME: Update virtual bases.
+}
+
+void
+ASTRecordLayoutBuilder::UpdateEmptyClassOffsets(const FieldDecl *FD,
+ uint64_t Offset) {
+ QualType T = FD->getType();
+
+ if (const RecordType *RT = T->getAs<RecordType>()) {
+ if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl())) {
+ UpdateEmptyClassOffsets(RD, Offset);
+ return;
+ }
+ }
+
+ if (const ConstantArrayType *AT = Ctx.getAsConstantArrayType(T)) {
+ QualType ElemTy = Ctx.getBaseElementType(AT);
+ const RecordType *RT = ElemTy->getAs<RecordType>();
+ if (!RT)
+ return;
+ const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl());
+ if (!RD)
+ return;
+
+ const ASTRecordLayout &Info = Ctx.getASTRecordLayout(RD);
+
+ uint64_t NumElements = Ctx.getConstantArrayElementCount(AT);
+ unsigned ElementOffset = Offset;
+
+ for (uint64_t I = 0; I != NumElements; ++I) {
+ UpdateEmptyClassOffsets(RD, ElementOffset);
+ ElementOffset += Info.getSize();
+ }
+ }
+}
+
+uint64_t ASTRecordLayoutBuilder::LayoutBase(const CXXRecordDecl *RD) {
+ const ASTRecordLayout &BaseInfo = Ctx.getASTRecordLayout(RD);
+
+ // If we have an empty base class, try to place it at offset 0.
+ if (RD->isEmpty() && canPlaceRecordAtOffset(RD, 0)) {
+ // We were able to place the class at offset 0.
+ UpdateEmptyClassOffsets(RD, 0);
+
+ Size = std::max(Size, BaseInfo.getSize());
+
+ return 0;
+ }
+
+ unsigned BaseAlign = BaseInfo.getNonVirtualAlign();
+
+ // Round up the current record size to the base's alignment boundary.
+ uint64_t Offset = llvm::RoundUpToAlignment(DataSize, BaseAlign);
+
+ // Try to place the base.
+ while (true) {
+ if (canPlaceRecordAtOffset(RD, Offset))
+ break;
+
+ Offset += BaseAlign;
+ }
+
+ if (!RD->isEmpty()) {
+ // Update the data size.
+ DataSize = Offset + BaseInfo.getNonVirtualSize();
+
+ Size = std::max(Size, DataSize);
+ } else
+ Size = std::max(Size, Offset + BaseInfo.getSize());
+
+ // Remember max struct/class alignment.
+ UpdateAlignment(BaseAlign);
+
+ UpdateEmptyClassOffsets(RD, Offset);
+ return Offset;
+}
+
+void ASTRecordLayoutBuilder::LayoutBaseNonVirtually(const CXXRecordDecl *RD,
+ bool IsVirtualBase) {
+ // Layout the base.
+ unsigned Offset = LayoutBase(RD);
+
+ // Add base class offsets.
+ if (IsVirtualBase)
+ VBases.push_back(std::make_pair(RD, Offset));
+ else
+ Bases.push_back(std::make_pair(RD, Offset));
+
+#if 0
+ // And now add offsets for all our primary virtual bases as well, so
+ // they all have offsets.
+ const ASTRecordLayout *L = &BaseInfo;
+ const CXXRecordDecl *PB = L->getPrimaryBase();
+ while (PB) {
+ if (L->getPrimaryBaseWasVirtual()) {
+ VBases.push_back(PB);
+ VBaseOffsets.push_back(Size);
+ }
+ PB = L->getPrimaryBase();
+ if (PB)
+ L = &Ctx.getASTRecordLayout(PB);
+ }
+#endif
+}
+
+void ASTRecordLayoutBuilder::Layout(const RecordDecl *D) {
+ IsUnion = D->isUnion();
+
+ Packed = D->hasAttr<PackedAttr>();
+
+ // The #pragma pack attribute specifies the maximum field alignment.
+ if (const PragmaPackAttr *PPA = D->getAttr<PragmaPackAttr>())
+ MaxFieldAlignment = PPA->getAlignment();
+
+ if (const AlignedAttr *AA = D->getAttr<AlignedAttr>())
+ UpdateAlignment(AA->getAlignment());
+
+ // If this is a C++ class, lay out the vtable and the non-virtual bases.
+ const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(D);
+ if (RD) {
+ LayoutVtable(RD);
+ // PrimaryBase goes first.
+ if (PrimaryBase) {
+ if (PrimaryBaseWasVirtual)
+ IndirectPrimaryBases.insert(PrimaryBase);
+ LayoutBaseNonVirtually(PrimaryBase, PrimaryBaseWasVirtual);
+ }
+ LayoutNonVirtualBases(RD);
+ }
+
+ LayoutFields(D);
+
+ NonVirtualSize = Size;
+ NonVirtualAlignment = Alignment;
+
+ if (RD) {
+ llvm::SmallSet<const CXXRecordDecl*, 32> mark;
+ LayoutVirtualBases(RD, PrimaryBase, 0, mark, IndirectPrimaryBases);
+ }
+
+ // Finally, round the size of the total struct up to the alignment of the
+ // struct itself.
+ FinishLayout();
+}
+
+void ASTRecordLayoutBuilder::Layout(const ObjCInterfaceDecl *D,
+ const ObjCImplementationDecl *Impl) {
+ if (ObjCInterfaceDecl *SD = D->getSuperClass()) {
+ const ASTRecordLayout &SL = Ctx.getASTObjCInterfaceLayout(SD);
+
+ UpdateAlignment(SL.getAlignment());
+
+ // We start laying out ivars not at the end of the superclass
+ // structure, but at the next byte following the last field.
+ Size = llvm::RoundUpToAlignment(SL.getDataSize(), 8);
+ DataSize = Size;
+ }
+
+ Packed = D->hasAttr<PackedAttr>();
+
+ // The #pragma pack attribute specifies the maximum field alignment.
+ if (const PragmaPackAttr *PPA = D->getAttr<PragmaPackAttr>())
+ MaxFieldAlignment = PPA->getAlignment();
+
+ if (const AlignedAttr *AA = D->getAttr<AlignedAttr>())
+ UpdateAlignment(AA->getAlignment());
+
+ // Layout each ivar sequentially.
+ llvm::SmallVector<ObjCIvarDecl*, 16> Ivars;
+ Ctx.ShallowCollectObjCIvars(D, Ivars, Impl);
+ for (unsigned i = 0, e = Ivars.size(); i != e; ++i)
+ LayoutField(Ivars[i]);
+
+ // Finally, round the size of the total struct up to the alignment of the
+ // struct itself.
+ FinishLayout();
+}
+
+void ASTRecordLayoutBuilder::LayoutFields(const RecordDecl *D) {
+ // Layout each field, for now, just sequentially, respecting alignment. In
+ // the future, this will need to be tweakable by targets.
+ for (RecordDecl::field_iterator Field = D->field_begin(),
+ FieldEnd = D->field_end(); Field != FieldEnd; ++Field)
+ LayoutField(*Field);
+}
+
+void ASTRecordLayoutBuilder::LayoutField(const FieldDecl *D) {
+ bool FieldPacked = Packed;
+ uint64_t FieldOffset = IsUnion ? 0 : DataSize;
+ uint64_t FieldSize;
+ unsigned FieldAlign;
+
+ FieldPacked |= D->hasAttr<PackedAttr>();
+
+ if (const Expr *BitWidthExpr = D->getBitWidth()) {
+ // TODO: Need to check this algorithm on other targets!
+ // (tested on Linux-X86)
+ FieldSize = BitWidthExpr->EvaluateAsInt(Ctx).getZExtValue();
+
+ std::pair<uint64_t, unsigned> FieldInfo = Ctx.getTypeInfo(D->getType());
+ uint64_t TypeSize = FieldInfo.first;
+
+ FieldAlign = FieldInfo.second;
+
+ if (FieldPacked)
+ FieldAlign = 1;
+ if (const AlignedAttr *AA = D->getAttr<AlignedAttr>())
+ FieldAlign = std::max(FieldAlign, AA->getAlignment());
+ // The maximum field alignment overrides the aligned attribute.
+ if (MaxFieldAlignment)
+ FieldAlign = std::min(FieldAlign, MaxFieldAlignment);
+
+ // Check if we need to add padding to give the field the correct
+ // alignment.
+ if (FieldSize == 0 || (FieldOffset & (FieldAlign-1)) + FieldSize > TypeSize)
+ FieldOffset = (FieldOffset + (FieldAlign-1)) & ~(FieldAlign-1);
+
+ // Padding members don't affect overall alignment
+ if (!D->getIdentifier())
+ FieldAlign = 1;
+ } else {
+ if (D->getType()->isIncompleteArrayType()) {
+ // This is a flexible array member; we can't directly
+ // query getTypeInfo about these, so we figure it out here.
+ // Flexible array members don't have any size, but they
+ // have to be aligned appropriately for their element type.
+ FieldSize = 0;
+ const ArrayType* ATy = Ctx.getAsArrayType(D->getType());
+ FieldAlign = Ctx.getTypeAlign(ATy->getElementType());
+ } else if (const ReferenceType *RT = D->getType()->getAs<ReferenceType>()) {
+ unsigned AS = RT->getPointeeType().getAddressSpace();
+ FieldSize = Ctx.Target.getPointerWidth(AS);
+ FieldAlign = Ctx.Target.getPointerAlign(AS);
+ } else {
+ std::pair<uint64_t, unsigned> FieldInfo = Ctx.getTypeInfo(D->getType());
+ FieldSize = FieldInfo.first;
+ FieldAlign = FieldInfo.second;
+ }
+
+ if (FieldPacked)
+ FieldAlign = 8;
+ if (const AlignedAttr *AA = D->getAttr<AlignedAttr>())
+ FieldAlign = std::max(FieldAlign, AA->getAlignment());
+ // The maximum field alignment overrides the aligned attribute.
+ if (MaxFieldAlignment)
+ FieldAlign = std::min(FieldAlign, MaxFieldAlignment);
+
+ // Round up the current record size to the field's alignment boundary.
+ FieldOffset = llvm::RoundUpToAlignment(FieldOffset, FieldAlign);
+
+ if (!IsUnion) {
+ while (true) {
+ // Check if we can place the field at this offset.
+ if (canPlaceFieldAtOffset(D, FieldOffset))
+ break;
+
+ // We couldn't place the field at the offset. Try again at a new offset.
+ FieldOffset += FieldAlign;
+ }
+
+ UpdateEmptyClassOffsets(D, FieldOffset);
+ }
+ }
+
+ // Place this field at the current location.
+ FieldOffsets.push_back(FieldOffset);
+
+ // Reserve space for this field.
+ if (IsUnion)
+ Size = std::max(Size, FieldSize);
+ else
+ Size = FieldOffset + FieldSize;
+
+ // Update the data size.
+ DataSize = Size;
+
+ // Remember max struct/class alignment.
+ UpdateAlignment(FieldAlign);
+}
+
+void ASTRecordLayoutBuilder::FinishLayout() {
+ // In C++, records cannot be of size 0.
+ if (Ctx.getLangOptions().CPlusPlus && Size == 0)
+ Size = 8;
+ // Finally, round the size of the record up to the alignment of the
+ // record itself.
+ Size = (Size + (Alignment-1)) & ~(Alignment-1);
+}
+
+void ASTRecordLayoutBuilder::UpdateAlignment(unsigned NewAlignment) {
+ if (NewAlignment <= Alignment)
+ return;
+
+ assert(llvm::isPowerOf2_32(NewAlignment && "Alignment not a power of 2"));
+
+ Alignment = NewAlignment;
+}
+
+const ASTRecordLayout *
+ASTRecordLayoutBuilder::ComputeLayout(ASTContext &Ctx,
+ const RecordDecl *D) {
+ ASTRecordLayoutBuilder Builder(Ctx);
+
+ Builder.Layout(D);
+
+ if (!isa<CXXRecordDecl>(D))
+ return new ASTRecordLayout(Builder.Size, Builder.Alignment, Builder.Size,
+ Builder.FieldOffsets.data(),
+ Builder.FieldOffsets.size());
+
+ // FIXME: This is not always correct. See the part about bitfields at
+ // http://www.codesourcery.com/public/cxx-abi/abi.html#POD for more info.
+ // FIXME: IsPODForThePurposeOfLayout should be stored in the record layout.
+ bool IsPODForThePurposeOfLayout = cast<CXXRecordDecl>(D)->isPOD();
+
+ // FIXME: This should be done in FinalizeLayout.
+ uint64_t DataSize =
+ IsPODForThePurposeOfLayout ? Builder.Size : Builder.DataSize;
+ uint64_t NonVirtualSize =
+ IsPODForThePurposeOfLayout ? DataSize : Builder.NonVirtualSize;
+
+ return new ASTRecordLayout(Builder.Size, Builder.Alignment, DataSize,
+ Builder.FieldOffsets.data(),
+ Builder.FieldOffsets.size(),
+ NonVirtualSize,
+ Builder.NonVirtualAlignment,
+ Builder.PrimaryBase,
+ Builder.PrimaryBaseWasVirtual,
+ Builder.Bases.data(),
+ Builder.Bases.size(),
+ Builder.VBases.data(),
+ Builder.VBases.size());
+}
+
+const ASTRecordLayout *
+ASTRecordLayoutBuilder::ComputeLayout(ASTContext &Ctx,
+ const ObjCInterfaceDecl *D,
+ const ObjCImplementationDecl *Impl) {
+ ASTRecordLayoutBuilder Builder(Ctx);
+
+ Builder.Layout(D, Impl);
+
+ return new ASTRecordLayout(Builder.Size, Builder.Alignment,
+ Builder.DataSize,
+ Builder.FieldOffsets.data(),
+ Builder.FieldOffsets.size());
+}
diff --git a/lib/AST/RecordLayoutBuilder.h b/lib/AST/RecordLayoutBuilder.h
new file mode 100644
index 000000000000..6e4cdd2fe2ee
--- /dev/null
+++ b/lib/AST/RecordLayoutBuilder.h
@@ -0,0 +1,146 @@
+//===- ASTRecordLayoutBuilder.h - Helper class for building record layouts ===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_AST_RECORDLAYOUTBUILDER_H
+#define LLVM_CLANG_AST_RECORDLAYOUTBUILDER_H
+
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/SmallSet.h"
+#include "llvm/Support/DataTypes.h"
+#include <map>
+
+namespace clang {
+ class ASTContext;
+ class ASTRecordLayout;
+ class CXXRecordDecl;
+ class FieldDecl;
+ class ObjCImplementationDecl;
+ class ObjCInterfaceDecl;
+ class RecordDecl;
+
+class ASTRecordLayoutBuilder {
+ ASTContext &Ctx;
+
+ uint64_t Size;
+ unsigned Alignment;
+ llvm::SmallVector<uint64_t, 16> FieldOffsets;
+
+ /// Packed - Whether the record is packed or not.
+ bool Packed;
+
+ /// MaxFieldAlignment - The maximum allowed field alignment. This is set by
+ /// #pragma pack.
+ unsigned MaxFieldAlignment;
+
+ /// DataSize - The data size of the record being laid out.
+ uint64_t DataSize;
+
+ bool IsUnion;
+
+ uint64_t NonVirtualSize;
+ unsigned NonVirtualAlignment;
+ const CXXRecordDecl *PrimaryBase;
+ bool PrimaryBaseWasVirtual;
+
+ typedef llvm::SmallVector<std::pair<const CXXRecordDecl *,
+ uint64_t>, 4> BaseOffsetsTy;
+
+ /// Bases - base classes and their offsets from the record.
+ BaseOffsetsTy Bases;
+
+ // VBases - virtual base classes and their offsets from the record.
+ BaseOffsetsTy VBases;
+
+ /// IndirectPrimaryBases - Virtual base classes, direct or indirect, that are
+ /// primary base classes for some other direct or indirect base class.
+ llvm::SmallSet<const CXXRecordDecl*, 32> IndirectPrimaryBases;
+
+ /// EmptyClassOffsets - A map from offsets to empty record decls.
+ typedef std::multimap<uint64_t, const CXXRecordDecl *> EmptyClassOffsetsTy;
+ EmptyClassOffsetsTy EmptyClassOffsets;
+
+ ASTRecordLayoutBuilder(ASTContext &Ctx);
+
+ void Layout(const RecordDecl *D);
+ void Layout(const CXXRecordDecl *D);
+ void Layout(const ObjCInterfaceDecl *D,
+ const ObjCImplementationDecl *Impl);
+
+ void LayoutFields(const RecordDecl *D);
+ void LayoutField(const FieldDecl *D);
+
+ void SelectPrimaryBase(const CXXRecordDecl *RD);
+ void SelectPrimaryVBase(const CXXRecordDecl *RD,
+ const CXXRecordDecl *&FirstPrimary);
+
+ /// IdentifyPrimaryBases - Identify all virtual base classes, direct or
+ /// indirect, that are primary base classes for some other direct or indirect
+ /// base class.
+ void IdentifyPrimaryBases(const CXXRecordDecl *RD);
+
+ void setPrimaryBase(const CXXRecordDecl *PB, bool Virtual) {
+ PrimaryBase = PB;
+ PrimaryBaseWasVirtual = Virtual;
+ }
+
+ bool IsNearlyEmpty(const CXXRecordDecl *RD) const;
+
+ /// LayoutBase - Will lay out a base and return the offset where it was
+ /// placed, in bits.
+ uint64_t LayoutBase(const CXXRecordDecl *RD);
+
+ void LayoutVtable(const CXXRecordDecl *RD);
+ void LayoutNonVirtualBases(const CXXRecordDecl *RD);
+ void LayoutBaseNonVirtually(const CXXRecordDecl *RD, bool IsVBase);
+ void LayoutVirtualBase(const CXXRecordDecl *RD);
+ void LayoutVirtualBases(const CXXRecordDecl *RD, const CXXRecordDecl *PB,
+ int64_t Offset,
+ llvm::SmallSet<const CXXRecordDecl*, 32> &mark,
+ llvm::SmallSet<const CXXRecordDecl*, 32> &IndirectPrimary);
+
+ /// canPlaceRecordAtOffset - Return whether a record (either a base class
+ /// or a field) can be placed at the given offset.
+ /// Returns false if placing the record will result in two components
+ /// (direct or indirect) of the same type having the same offset.
+ bool canPlaceRecordAtOffset(const CXXRecordDecl *RD, uint64_t Offset) const;
+
+ /// canPlaceFieldAtOffset - Return whether a field can be placed at the given
+ /// offset.
+ bool canPlaceFieldAtOffset(const FieldDecl *FD, uint64_t Offset) const;
+
+ /// UpdateEmptyClassOffsets - Called after a record (either a base class
+ /// or a field) has been placed at the given offset. Will update the
+ /// EmptyClassOffsets map if the class is empty or has any empty bases or
+ /// fields.
+ void UpdateEmptyClassOffsets(const CXXRecordDecl *RD, uint64_t Offset);
+
+ /// UpdateEmptyClassOffsets - Called after a field has been placed at the
+ /// given offset.
+ void UpdateEmptyClassOffsets(const FieldDecl *FD, uint64_t Offset);
+
+ /// FinishLayout - Finalize record layout. Adjust record size based on the
+ /// alignment.
+ void FinishLayout();
+
+ void UpdateAlignment(unsigned NewAlignment);
+
+ ASTRecordLayoutBuilder(const ASTRecordLayoutBuilder&); // DO NOT IMPLEMENT
+ void operator=(const ASTRecordLayoutBuilder&); // DO NOT IMPLEMENT
+public:
+ static const ASTRecordLayout *ComputeLayout(ASTContext &Ctx,
+ const RecordDecl *RD);
+ static const ASTRecordLayout *ComputeLayout(ASTContext &Ctx,
+ const ObjCInterfaceDecl *D,
+ const ObjCImplementationDecl *Impl);
+};
+
+} // end namespace clang
+
+#endif
+
diff --git a/lib/AST/Stmt.cpp b/lib/AST/Stmt.cpp
index 17577910d2a3..3a838fadafa4 100644
--- a/lib/AST/Stmt.cpp
+++ b/lib/AST/Stmt.cpp
@@ -19,6 +19,7 @@
#include "clang/AST/Type.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/ASTDiagnostic.h"
+#include <cstdio>
using namespace clang;
static struct StmtClassNameTable {
@@ -43,7 +44,7 @@ static StmtClassNameTable &getStmtInfoTableEntry(Stmt::StmtClass E) {
}
const char *Stmt::getStmtClassName() const {
- return getStmtInfoTableEntry(sClass).Name;
+ return getStmtInfoTableEntry((StmtClass)sClass).Name;
}
void Stmt::DestroyChildren(ASTContext &C) {
@@ -51,19 +52,12 @@ void Stmt::DestroyChildren(ASTContext &C) {
if (Stmt* Child = *I++) Child->Destroy(C);
}
-void Stmt::Destroy(ASTContext &C) {
+void Stmt::DoDestroy(ASTContext &C) {
DestroyChildren(C);
- // FIXME: Eventually all Stmts should be allocated with the allocator
- // in ASTContext, just like with Decls.
this->~Stmt();
C.Deallocate((void *)this);
}
-void DeclStmt::Destroy(ASTContext &C) {
- this->~DeclStmt();
- C.Deallocate((void *)this);
-}
-
void Stmt::PrintStats() {
// Ensure the table is primed.
getStmtInfoTableEntry(Stmt::NullStmtClass);
@@ -99,16 +93,18 @@ bool Stmt::CollectingStats(bool enable) {
return StatSwitch;
}
-NullStmt* NullStmt::Clone(ASTContext &C) const {
- return new (C) NullStmt(SemiLoc);
-}
-
-ContinueStmt* ContinueStmt::Clone(ASTContext &C) const {
- return new (C) ContinueStmt(ContinueLoc);
-}
+void SwitchStmt::DoDestroy(ASTContext &Ctx) {
+ // Destroy the SwitchCase statements in this switch. In the normal
+ // case, this loop will merely decrement the reference counts from
+ // the Retain() calls in addSwitchCase();
+ SwitchCase *SC = FirstCase;
+ while (SC) {
+ SwitchCase *Next = SC->getNextSwitchCase();
+ SC->Destroy(Ctx);
+ SC = Next;
+ }
-BreakStmt* BreakStmt::Clone(ASTContext &C) const {
- return new (C) BreakStmt(BreakLoc);
+ Stmt::DoDestroy(Ctx);
}
void CompoundStmt::setStmts(ASTContext &C, Stmt **Stmts, unsigned NumStmts) {
@@ -191,7 +187,7 @@ std::string AsmStmt::getInputConstraint(unsigned i) const {
void AsmStmt::setOutputsAndInputs(unsigned NumOutputs,
- unsigned NumInputs,
+ unsigned NumInputs,
const std::string *Names,
StringLiteral **Constraints,
Stmt **Exprs) {
@@ -200,7 +196,7 @@ void AsmStmt::setOutputsAndInputs(unsigned NumOutputs,
this->Names.clear();
this->Names.insert(this->Names.end(), Names, Names + NumOutputs + NumInputs);
this->Constraints.clear();
- this->Constraints.insert(this->Constraints.end(),
+ this->Constraints.insert(this->Constraints.end(),
Constraints, Constraints + NumOutputs + NumInputs);
this->Exprs.clear();
this->Exprs.insert(this->Exprs.end(), Exprs, Exprs + NumOutputs + NumInputs);
@@ -211,13 +207,13 @@ void AsmStmt::setOutputsAndInputs(unsigned NumOutputs,
/// This returns -1 if the operand name is invalid.
int AsmStmt::getNamedOperand(const std::string &SymbolicName) const {
unsigned NumPlusOperands = 0;
-
+
// Check if this is an output operand.
for (unsigned i = 0, e = getNumOutputs(); i != e; ++i) {
if (getOutputName(i) == SymbolicName)
return i;
}
-
+
for (unsigned i = 0, e = getNumInputs(); i != e; ++i)
if (getInputName(i) == SymbolicName)
return getNumOutputs() + NumPlusOperands + i;
@@ -239,7 +235,7 @@ unsigned AsmStmt::AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece>&Pieces,
const char *StrStart = getAsmString()->getStrData();
const char *StrEnd = StrStart + getAsmString()->getByteLength();
const char *CurPtr = StrStart;
-
+
// "Simple" inline asms have no constraints or operands, just convert the asm
// string to escape $'s.
if (isSimple()) {
@@ -261,7 +257,7 @@ unsigned AsmStmt::AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece>&Pieces,
// CurStringPiece - The current string that we are building up as we scan the
// asm string.
std::string CurStringPiece;
-
+
while (1) {
// Done with the string?
if (CurPtr == StrEnd) {
@@ -269,7 +265,7 @@ unsigned AsmStmt::AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece>&Pieces,
Pieces.push_back(AsmStringPiece(CurStringPiece));
return 0;
}
-
+
char CurChar = *CurPtr++;
if (CurChar == '$') {
CurStringPiece += "$$";
@@ -278,48 +274,48 @@ unsigned AsmStmt::AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece>&Pieces,
CurStringPiece += CurChar;
continue;
}
-
+
// Escaped "%" character in asm string.
if (CurPtr == StrEnd) {
// % at end of string is invalid (no escape).
DiagOffs = CurPtr-StrStart-1;
return diag::err_asm_invalid_escape;
}
-
+
char EscapedChar = *CurPtr++;
if (EscapedChar == '%') { // %% -> %
// Escaped percentage sign.
CurStringPiece += '%';
continue;
}
-
+
if (EscapedChar == '=') { // %= -> Generate an unique ID.
CurStringPiece += "${:uid}";
continue;
}
-
+
// Otherwise, we have an operand. If we have accumulated a string so far,
// add it to the Pieces list.
if (!CurStringPiece.empty()) {
Pieces.push_back(AsmStringPiece(CurStringPiece));
CurStringPiece.clear();
}
-
+
// Handle %x4 and %x[foo] by capturing x as the modifier character.
char Modifier = '\0';
if (isalpha(EscapedChar)) {
Modifier = EscapedChar;
EscapedChar = *CurPtr++;
}
-
+
if (isdigit(EscapedChar)) {
// %n - Assembler operand n
unsigned N = 0;
-
+
--CurPtr;
while (CurPtr != StrEnd && isdigit(*CurPtr))
N = N*10 + ((*CurPtr++)-'0');
-
+
unsigned NumOperands =
getNumOutputs() + getNumPlusOperands() + getNumInputs();
if (N >= NumOperands) {
@@ -330,20 +326,20 @@ unsigned AsmStmt::AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece>&Pieces,
Pieces.push_back(AsmStringPiece(N, Modifier));
continue;
}
-
+
// Handle %[foo], a symbolic operand reference.
if (EscapedChar == '[') {
DiagOffs = CurPtr-StrStart-1;
-
+
// Find the ']'.
const char *NameEnd = (const char*)memchr(CurPtr, ']', StrEnd-CurPtr);
if (NameEnd == 0)
return diag::err_asm_unterminated_symbolic_operand_name;
if (NameEnd == CurPtr)
return diag::err_asm_empty_symbolic_operand_name;
-
+
std::string SymbolicName(CurPtr, NameEnd);
-
+
int N = getNamedOperand(SymbolicName);
if (N == -1) {
// Verify that an operand with that name exists.
@@ -351,11 +347,11 @@ unsigned AsmStmt::AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece>&Pieces,
return diag::err_asm_unknown_symbolic_operand_name;
}
Pieces.push_back(AsmStringPiece(N, Modifier));
-
+
CurPtr = NameEnd+1;
continue;
}
-
+
DiagOffs = CurPtr-StrStart-1;
return diag::err_asm_invalid_escape;
}
@@ -513,7 +509,7 @@ Stmt::child_iterator ReturnStmt::child_end() {
}
// AsmStmt
-Stmt::child_iterator AsmStmt::child_begin() {
+Stmt::child_iterator AsmStmt::child_begin() {
return Exprs.empty() ? 0 : &Exprs[0];
}
Stmt::child_iterator AsmStmt::child_end() {
@@ -569,10 +565,10 @@ QualType CXXCatchStmt::getCaughtType() {
return QualType();
}
-void CXXCatchStmt::Destroy(ASTContext& C) {
+void CXXCatchStmt::DoDestroy(ASTContext& C) {
if (ExceptionDecl)
ExceptionDecl->Destroy(C);
- Stmt::Destroy(C);
+ Stmt::DoDestroy(C);
}
// CXXTryStmt
diff --git a/lib/AST/StmtDumper.cpp b/lib/AST/StmtDumper.cpp
index bc096bf0d9f3..0465999a94cc 100644
--- a/lib/AST/StmtDumper.cpp
+++ b/lib/AST/StmtDumper.cpp
@@ -30,12 +30,12 @@ namespace {
SourceManager *SM;
FILE *F;
unsigned IndentLevel;
-
+
/// MaxDepth - When doing a normal dump (not dumpAll) we only want to dump
/// the first few levels of an AST. This keeps track of how many ast levels
/// are left.
unsigned MaxDepth;
-
+
/// LastLocFilename/LastLocLine - Keep track of the last location we print
/// out so that we can print out deltas from then on out.
const char *LastLocFilename;
@@ -47,18 +47,18 @@ namespace {
LastLocFilename = "";
LastLocLine = ~0U;
}
-
+
void DumpSubTree(Stmt *S) {
// Prune the recursion if not using dump all.
if (MaxDepth == 0) return;
-
+
++IndentLevel;
if (S) {
if (DeclStmt* DS = dyn_cast<DeclStmt>(S))
VisitDeclStmt(DS);
- else {
+ else {
Visit(S);
-
+
// Print out children.
Stmt::child_iterator CI = S->child_begin(), CE = S->child_end();
if (CI != CE) {
@@ -75,25 +75,22 @@ namespace {
}
--IndentLevel;
}
-
+
void DumpDeclarator(Decl *D);
-
+
void Indent() const {
for (int i = 0, e = IndentLevel; i < e; ++i)
fprintf(F, " ");
}
-
+
void DumpType(QualType T) {
fprintf(F, "'%s'", T.getAsString().c_str());
if (!T.isNull()) {
- // If the type is directly a typedef, strip off typedefness to give at
- // least one level of concreteness.
- if (TypedefType *TDT = dyn_cast<TypedefType>(T)) {
- QualType Simplified =
- TDT->LookThroughTypedefs().getQualifiedType(T.getCVRQualifiers());
+ // If the type is sugared, also dump a (shallow) desugared type.
+ QualType Simplified = T.getDesugaredType();
+ if (Simplified != T)
fprintf(F, ":'%s'", Simplified.getAsString().c_str());
- }
}
}
void DumpStmt(const Stmt *Node) {
@@ -108,15 +105,16 @@ namespace {
}
void DumpSourceRange(const Stmt *Node);
void DumpLocation(SourceLocation Loc);
-
+
// Stmts.
void VisitStmt(Stmt *Node);
void VisitDeclStmt(DeclStmt *Node);
void VisitLabelStmt(LabelStmt *Node);
void VisitGotoStmt(GotoStmt *Node);
-
+
// Exprs
void VisitExpr(Expr *Node);
+ void VisitCastExpr(CastExpr *Node);
void VisitDeclRefExpr(DeclRefExpr *Node);
void VisitPredefinedExpr(PredefinedExpr *Node);
void VisitCharacterLiteral(CharacterLiteral *Node);
@@ -137,14 +135,19 @@ namespace {
void VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *Node);
void VisitCXXThisExpr(CXXThisExpr *Node);
void VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *Node);
-
+ void VisitCXXConstructExpr(CXXConstructExpr *Node);
+ void VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *Node);
+ void VisitCXXExprWithTemporaries(CXXExprWithTemporaries *Node);
+ void DumpCXXTemporary(CXXTemporary *Temporary);
+
// ObjC
void VisitObjCEncodeExpr(ObjCEncodeExpr *Node);
void VisitObjCMessageExpr(ObjCMessageExpr* Node);
void VisitObjCSelectorExpr(ObjCSelectorExpr *Node);
void VisitObjCProtocolExpr(ObjCProtocolExpr *Node);
void VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *Node);
- void VisitObjCKVCRefExpr(ObjCKVCRefExpr *Node);
+ void VisitObjCImplicitSetterGetterRefExpr(
+ ObjCImplicitSetterGetterRefExpr *Node);
void VisitObjCIvarRefExpr(ObjCIvarRefExpr *Node);
void VisitObjCSuperExpr(ObjCSuperExpr *Node);
};
@@ -156,7 +159,7 @@ namespace {
void StmtDumper::DumpLocation(SourceLocation Loc) {
SourceLocation SpellingLoc = SM->getSpellingLoc(Loc);
-
+
if (SpellingLoc.isInvalid()) {
fprintf(stderr, "<invalid sloc>");
return;
@@ -182,11 +185,11 @@ void StmtDumper::DumpLocation(SourceLocation Loc) {
void StmtDumper::DumpSourceRange(const Stmt *Node) {
// Can't translate locations if a SourceManager isn't available.
if (SM == 0) return;
-
+
// TODO: If the parent expression is available, we can print a delta vs its
// location.
SourceRange R = Node->getSourceRange();
-
+
fprintf(stderr, " <");
DumpLocation(R.getBegin());
if (R.getBegin() != R.getEnd()) {
@@ -194,7 +197,7 @@ void StmtDumper::DumpSourceRange(const Stmt *Node) {
DumpLocation(R.getEnd());
}
fprintf(stderr, ">");
-
+
// <t2.c:123:421[blah], t2.c:412:321>
}
@@ -220,15 +223,15 @@ void StmtDumper::DumpDeclarator(Decl *D) {
// Emit storage class for vardecls.
if (VarDecl *V = dyn_cast<VarDecl>(VD)) {
if (V->getStorageClass() != VarDecl::None)
- fprintf(F, "%s ",
+ fprintf(F, "%s ",
VarDecl::getStorageClassSpecifierString(V->getStorageClass()));
}
-
+
std::string Name = VD->getNameAsString();
- VD->getType().getAsStringInternal(Name,
+ VD->getType().getAsStringInternal(Name,
PrintingPolicy(VD->getASTContext().getLangOptions()));
fprintf(F, "%s", Name.c_str());
-
+
// If this is a vardecl with an initializer, emit it.
if (VarDecl *V = dyn_cast<VarDecl>(VD)) {
if (V->getInit()) {
@@ -293,32 +296,37 @@ void StmtDumper::VisitExpr(Expr *Node) {
DumpExpr(Node);
}
+void StmtDumper::VisitCastExpr(CastExpr *Node) {
+ DumpExpr(Node);
+ fprintf(F, " <%s>", Node->getCastKindName());
+}
+
void StmtDumper::VisitDeclRefExpr(DeclRefExpr *Node) {
DumpExpr(Node);
fprintf(F, " ");
switch (Node->getDecl()->getKind()) {
- case Decl::Function: fprintf(F,"FunctionDecl"); break;
- case Decl::Var: fprintf(F,"Var"); break;
- case Decl::ParmVar: fprintf(F,"ParmVar"); break;
- case Decl::EnumConstant: fprintf(F,"EnumConstant"); break;
- case Decl::Typedef: fprintf(F,"Typedef"); break;
- case Decl::Record: fprintf(F,"Record"); break;
- case Decl::Enum: fprintf(F,"Enum"); break;
- case Decl::CXXRecord: fprintf(F,"CXXRecord"); break;
- case Decl::ObjCInterface: fprintf(F,"ObjCInterface"); break;
- case Decl::ObjCClass: fprintf(F,"ObjCClass"); break;
- default: fprintf(F,"Decl"); break;
+ default: fprintf(F,"Decl"); break;
+ case Decl::Function: fprintf(F,"FunctionDecl"); break;
+ case Decl::Var: fprintf(F,"Var"); break;
+ case Decl::ParmVar: fprintf(F,"ParmVar"); break;
+ case Decl::EnumConstant: fprintf(F,"EnumConstant"); break;
+ case Decl::Typedef: fprintf(F,"Typedef"); break;
+ case Decl::Record: fprintf(F,"Record"); break;
+ case Decl::Enum: fprintf(F,"Enum"); break;
+ case Decl::CXXRecord: fprintf(F,"CXXRecord"); break;
+ case Decl::ObjCInterface: fprintf(F,"ObjCInterface"); break;
+ case Decl::ObjCClass: fprintf(F,"ObjCClass"); break;
}
-
- fprintf(F, "='%s' %p", Node->getDecl()->getNameAsString().c_str(),
+
+ fprintf(F, "='%s' %p", Node->getDecl()->getNameAsString().c_str(),
(void*)Node->getDecl());
}
void StmtDumper::VisitObjCIvarRefExpr(ObjCIvarRefExpr *Node) {
DumpExpr(Node);
- fprintf(F, " %sDecl='%s' %p", Node->getDecl()->getDeclKindName(),
+ fprintf(F, " %sDecl='%s' %p", Node->getDecl()->getDeclKindName(),
Node->getDecl()->getNameAsString().c_str(), (void*)Node->getDecl());
if (Node->isFreeIvar())
fprintf(F, " isFreeIvar");
@@ -359,7 +367,7 @@ void StmtDumper::VisitStringLiteral(StringLiteral *Str) {
switch (char C = Str->getStrData()[i]) {
default:
if (isprint(C))
- fputc(C, F);
+ fputc(C, F);
else
fprintf(F, "\\%03o", C);
break;
@@ -390,7 +398,7 @@ void StmtDumper::VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *Node) {
void StmtDumper::VisitMemberExpr(MemberExpr *Node) {
DumpExpr(Node);
fprintf(F, " %s%s %p", Node->isArrow() ? "->" : ".",
- Node->getMemberDecl()->getNameAsString().c_str(),
+ Node->getMemberDecl()->getNameAsString().c_str(),
(void*)Node->getMemberDecl());
}
void StmtDumper::VisitExtVectorElementExpr(ExtVectorElementExpr *Node) {
@@ -431,8 +439,9 @@ void StmtDumper::VisitTypesCompatibleExpr(TypesCompatibleExpr *Node) {
void StmtDumper::VisitCXXNamedCastExpr(CXXNamedCastExpr *Node) {
DumpExpr(Node);
- fprintf(F, " %s<%s>", Node->getCastName(),
- Node->getTypeAsWritten().getAsString().c_str());
+ fprintf(F, " %s<%s> <%s>", Node->getCastName(),
+ Node->getTypeAsWritten().getAsString().c_str(),
+ Node->getCastKindName());
}
void StmtDumper::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *Node) {
@@ -447,10 +456,37 @@ void StmtDumper::VisitCXXThisExpr(CXXThisExpr *Node) {
void StmtDumper::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *Node) {
DumpExpr(Node);
- fprintf(F, " functional cast to %s",
+ fprintf(F, " functional cast to %s",
Node->getTypeAsWritten().getAsString().c_str());
}
+void StmtDumper::VisitCXXConstructExpr(CXXConstructExpr *Node) {
+ DumpExpr(Node);
+ if (Node->isElidable())
+ fprintf(F, " elidable");
+}
+
+void StmtDumper::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *Node) {
+ DumpExpr(Node);
+ fprintf(F, " ");
+ DumpCXXTemporary(Node->getTemporary());
+}
+
+void StmtDumper::VisitCXXExprWithTemporaries(CXXExprWithTemporaries *Node) {
+ DumpExpr(Node);
+ ++IndentLevel;
+ for (unsigned i = 0, e = Node->getNumTemporaries(); i != e; ++i) {
+ fprintf(F, "\n");
+ Indent();
+ DumpCXXTemporary(Node->getTemporary(i));
+ }
+ --IndentLevel;
+}
+
+void StmtDumper::DumpCXXTemporary(CXXTemporary *Temporary) {
+ fprintf(F, "(CXXTemporary %p)", (void *)Temporary);
+}
+
//===----------------------------------------------------------------------===//
// Obj-C Expressions
//===----------------------------------------------------------------------===//
@@ -464,21 +500,21 @@ void StmtDumper::VisitObjCMessageExpr(ObjCMessageExpr* Node) {
void StmtDumper::VisitObjCEncodeExpr(ObjCEncodeExpr *Node) {
DumpExpr(Node);
-
+
fprintf(F, " ");
DumpType(Node->getEncodedType());
}
void StmtDumper::VisitObjCSelectorExpr(ObjCSelectorExpr *Node) {
DumpExpr(Node);
-
+
fprintf(F, " ");
fprintf(F, "%s", Node->getSelector().getAsString().c_str());
}
void StmtDumper::VisitObjCProtocolExpr(ObjCProtocolExpr *Node) {
DumpExpr(Node);
-
+
fprintf(F, " ");
fprintf(F, "%s", Node->getProtocol()->getNameAsString().c_str());
}
@@ -486,16 +522,17 @@ void StmtDumper::VisitObjCProtocolExpr(ObjCProtocolExpr *Node) {
void StmtDumper::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *Node) {
DumpExpr(Node);
- fprintf(F, " Kind=PropertyRef Property=\"%s\"",
+ fprintf(F, " Kind=PropertyRef Property=\"%s\"",
Node->getProperty()->getNameAsString().c_str());
}
-void StmtDumper::VisitObjCKVCRefExpr(ObjCKVCRefExpr *Node) {
+void StmtDumper::VisitObjCImplicitSetterGetterRefExpr(
+ ObjCImplicitSetterGetterRefExpr *Node) {
DumpExpr(Node);
-
+
ObjCMethodDecl *Getter = Node->getGetterMethod();
ObjCMethodDecl *Setter = Node->getSetterMethod();
- fprintf(F, " Kind=MethodRef Getter=\"%s\" Setter=\"%s\"",
+ fprintf(F, " Kind=MethodRef Getter=\"%s\" Setter=\"%s\"",
Getter->getSelector().getAsString().c_str(),
Setter ? Setter->getSelector().getAsString().c_str() : "(null)");
}
diff --git a/lib/AST/StmtIterator.cpp b/lib/AST/StmtIterator.cpp
index 5c22e28894f9..4f62b66e257d 100644
--- a/lib/AST/StmtIterator.cpp
+++ b/lib/AST/StmtIterator.cpp
@@ -23,10 +23,10 @@ static inline VariableArrayType* FindVA(Type* t) {
if (VariableArrayType* vat = dyn_cast<VariableArrayType>(vt))
if (vat->getSizeExpr())
return vat;
-
+
t = vt->getElementType().getTypePtr();
}
-
+
return NULL;
}
@@ -39,20 +39,20 @@ void StmtIteratorBase::NextVA() {
if (p)
return;
-
+
if (inDecl()) {
- if (VarDecl* VD = dyn_cast<VarDecl>(decl))
+ if (VarDecl* VD = dyn_cast<VarDecl>(decl))
if (VD->Init)
return;
-
+
NextDecl();
}
else if (inDeclGroup()) {
- if (VarDecl* VD = dyn_cast<VarDecl>(*DGI))
+ if (VarDecl* VD = dyn_cast<VarDecl>(*DGI))
if (VD->Init)
return;
-
- NextDecl();
+
+ NextDecl();
}
else {
assert (inSizeOfTypeVA());
@@ -63,10 +63,10 @@ void StmtIteratorBase::NextVA() {
void StmtIteratorBase::NextDecl(bool ImmediateAdvance) {
assert (getVAPtr() == NULL);
-
+
if (inDecl()) {
assert (decl);
-
+
// FIXME: SIMPLIFY AWAY.
if (ImmediateAdvance)
decl = 0;
@@ -75,10 +75,10 @@ void StmtIteratorBase::NextDecl(bool ImmediateAdvance) {
}
else {
assert (inDeclGroup());
-
+
if (ImmediateAdvance)
++DGI;
-
+
for ( ; DGI != DGE; ++DGI)
if (HandleDecl(*DGI))
return;
@@ -88,18 +88,18 @@ void StmtIteratorBase::NextDecl(bool ImmediateAdvance) {
}
bool StmtIteratorBase::HandleDecl(Decl* D) {
-
- if (VarDecl* VD = dyn_cast<VarDecl>(D)) {
+
+ if (VarDecl* VD = dyn_cast<VarDecl>(D)) {
if (VariableArrayType* VAPtr = FindVA(VD->getType().getTypePtr())) {
setVAPtr(VAPtr);
return true;
}
-
+
if (VD->getInit())
return true;
}
else if (TypedefDecl* TD = dyn_cast<TypedefDecl>(D)) {
- if (VariableArrayType* VAPtr =
+ if (VariableArrayType* VAPtr =
FindVA(TD->getUnderlyingType().getTypePtr())) {
setVAPtr(VAPtr);
return true;
@@ -110,7 +110,7 @@ bool StmtIteratorBase::HandleDecl(Decl* D) {
return true;
}
- return false;
+ return false;
}
StmtIteratorBase::StmtIteratorBase(Decl* d)
@@ -130,19 +130,19 @@ StmtIteratorBase::StmtIteratorBase(VariableArrayType* t)
}
Stmt*& StmtIteratorBase::GetDeclExpr() const {
-
+
if (VariableArrayType* VAPtr = getVAPtr()) {
assert (VAPtr->SizeExpr);
return VAPtr->SizeExpr;
}
assert (inDecl() || inDeclGroup());
-
+
if (inDeclGroup()) {
VarDecl* VD = cast<VarDecl>(*DGI);
return *VD->getInitAddress();
}
-
+
assert (inDecl());
if (VarDecl* VD = dyn_cast<VarDecl>(decl)) {
diff --git a/lib/AST/StmtPrinter.cpp b/lib/AST/StmtPrinter.cpp
index fec17fb22352..05d0c2683545 100644
--- a/lib/AST/StmtPrinter.cpp
+++ b/lib/AST/StmtPrinter.cpp
@@ -17,7 +17,6 @@
#include "clang/AST/DeclObjC.h"
#include "clang/AST/PrettyPrinter.h"
#include "llvm/Support/Compiler.h"
-#include "llvm/Support/Streams.h"
#include "llvm/Support/Format.h"
using namespace clang;
@@ -34,12 +33,12 @@ namespace {
PrintingPolicy Policy;
public:
- StmtPrinter(llvm::raw_ostream &os, ASTContext &C, PrinterHelper* helper,
+ StmtPrinter(llvm::raw_ostream &os, ASTContext &C, PrinterHelper* helper,
const PrintingPolicy &Policy,
unsigned Indentation = 0)
: OS(os), Context(C), IndentLevel(Indentation), Helper(helper),
Policy(Policy) {}
-
+
void PrintStmt(Stmt *S) {
PrintStmt(S, Policy.Indentation);
}
@@ -64,29 +63,29 @@ namespace {
void PrintRawDeclStmt(DeclStmt *S);
void PrintRawIfStmt(IfStmt *If);
void PrintRawCXXCatchStmt(CXXCatchStmt *Catch);
-
+
void PrintExpr(Expr *E) {
if (E)
Visit(E);
else
OS << "<null expr>";
}
-
+
llvm::raw_ostream &Indent(int Delta = 0) {
for (int i = 0, e = IndentLevel+Delta; i < e; ++i)
OS << " ";
return OS;
}
-
+
bool PrintOffsetOfDesignator(Expr *E);
void VisitUnaryOffsetOf(UnaryOperator *Node);
-
- void Visit(Stmt* S) {
+
+ void Visit(Stmt* S) {
if (Helper && Helper->handledStmt(S,OS))
return;
else StmtVisitor<StmtPrinter>::Visit(S);
}
-
+
void VisitStmt(Stmt *Node);
#define STMT(CLASS, PARENT) \
void Visit##CLASS(CLASS *Node);
@@ -109,7 +108,7 @@ void StmtPrinter::PrintRawCompoundStmt(CompoundStmt *Node) {
for (CompoundStmt::body_iterator I = Node->body_begin(), E = Node->body_end();
I != E; ++I)
PrintStmt(*I);
-
+
Indent() << "}";
}
@@ -120,7 +119,7 @@ void StmtPrinter::PrintRawDecl(Decl *D) {
void StmtPrinter::PrintRawDeclStmt(DeclStmt *S) {
DeclStmt::decl_iterator Begin = S->decl_begin(), End = S->decl_end();
llvm::SmallVector<Decl*, 2> Decls;
- for ( ; Begin != End; ++Begin)
+ for ( ; Begin != End; ++Begin)
Decls.push_back(*Begin);
Decl::printGroup(Decls.data(), Decls.size(), OS, Policy, IndentLevel);
@@ -150,7 +149,7 @@ void StmtPrinter::VisitCaseStmt(CaseStmt *Node) {
PrintExpr(Node->getRHS());
}
OS << ":\n";
-
+
PrintStmt(Node->getSubStmt(), 0);
}
@@ -168,7 +167,7 @@ void StmtPrinter::PrintRawIfStmt(IfStmt *If) {
OS << "if (";
PrintExpr(If->getCond());
OS << ')';
-
+
if (CompoundStmt *CS = dyn_cast<CompoundStmt>(If->getThen())) {
OS << ' ';
PrintRawCompoundStmt(CS);
@@ -178,10 +177,10 @@ void StmtPrinter::PrintRawIfStmt(IfStmt *If) {
PrintStmt(If->getThen());
if (If->getElse()) Indent();
}
-
+
if (Stmt *Else = If->getElse()) {
OS << "else";
-
+
if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Else)) {
OS << ' ';
PrintRawCompoundStmt(CS);
@@ -205,7 +204,7 @@ void StmtPrinter::VisitSwitchStmt(SwitchStmt *Node) {
Indent() << "switch (";
PrintExpr(Node->getCond());
OS << ")";
-
+
// Pretty print compoundstmt bodies (very common).
if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
OS << " ";
@@ -238,7 +237,7 @@ void StmtPrinter::VisitDoStmt(DoStmt *Node) {
PrintStmt(Node->getBody());
Indent();
}
-
+
OS << "while (";
PrintExpr(Node->getCond());
OS << ");\n";
@@ -263,7 +262,7 @@ void StmtPrinter::VisitForStmt(ForStmt *Node) {
PrintExpr(Node->getInc());
}
OS << ") ";
-
+
if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
PrintRawCompoundStmt(CS);
OS << "\n";
@@ -282,7 +281,7 @@ void StmtPrinter::VisitObjCForCollectionStmt(ObjCForCollectionStmt *Node) {
OS << " in ";
PrintExpr(Node->getCollection());
OS << ") ";
-
+
if (CompoundStmt *CS = dyn_cast<CompoundStmt>(Node->getBody())) {
PrintRawCompoundStmt(CS);
OS << "\n";
@@ -323,63 +322,63 @@ void StmtPrinter::VisitReturnStmt(ReturnStmt *Node) {
void StmtPrinter::VisitAsmStmt(AsmStmt *Node) {
Indent() << "asm ";
-
+
if (Node->isVolatile())
OS << "volatile ";
-
+
OS << "(";
VisitStringLiteral(Node->getAsmString());
-
+
// Outputs
if (Node->getNumOutputs() != 0 || Node->getNumInputs() != 0 ||
Node->getNumClobbers() != 0)
OS << " : ";
-
+
for (unsigned i = 0, e = Node->getNumOutputs(); i != e; ++i) {
if (i != 0)
OS << ", ";
-
+
if (!Node->getOutputName(i).empty()) {
OS << '[';
OS << Node->getOutputName(i);
OS << "] ";
}
-
+
VisitStringLiteral(Node->getOutputConstraintLiteral(i));
OS << " ";
Visit(Node->getOutputExpr(i));
}
-
+
// Inputs
if (Node->getNumInputs() != 0 || Node->getNumClobbers() != 0)
OS << " : ";
-
+
for (unsigned i = 0, e = Node->getNumInputs(); i != e; ++i) {
if (i != 0)
OS << ", ";
-
+
if (!Node->getInputName(i).empty()) {
OS << '[';
OS << Node->getInputName(i);
OS << "] ";
}
-
+
VisitStringLiteral(Node->getInputConstraintLiteral(i));
OS << " ";
Visit(Node->getInputExpr(i));
}
-
+
// Clobbers
if (Node->getNumClobbers() != 0)
OS << " : ";
-
+
for (unsigned i = 0, e = Node->getNumClobbers(); i != e; ++i) {
if (i != 0)
OS << ", ";
-
+
VisitStringLiteral(Node->getClobber(i));
}
-
+
OS << ");\n";
}
@@ -389,11 +388,11 @@ void StmtPrinter::VisitObjCAtTryStmt(ObjCAtTryStmt *Node) {
PrintRawCompoundStmt(TS);
OS << "\n";
}
-
- for (ObjCAtCatchStmt *catchStmt =
+
+ for (ObjCAtCatchStmt *catchStmt =
static_cast<ObjCAtCatchStmt *>(Node->getCatchStmts());
- catchStmt;
- catchStmt =
+ catchStmt;
+ catchStmt =
static_cast<ObjCAtCatchStmt *>(catchStmt->getNextCatchStmt())) {
Indent() << "@catch(";
if (catchStmt->getCatchParamDecl()) {
@@ -401,19 +400,18 @@ void StmtPrinter::VisitObjCAtTryStmt(ObjCAtTryStmt *Node) {
PrintRawDecl(DS);
}
OS << ")";
- if (CompoundStmt *CS = dyn_cast<CompoundStmt>(catchStmt->getCatchBody()))
- {
- PrintRawCompoundStmt(CS);
- OS << "\n";
- }
+ if (CompoundStmt *CS = dyn_cast<CompoundStmt>(catchStmt->getCatchBody())) {
+ PrintRawCompoundStmt(CS);
+ OS << "\n";
+ }
}
-
- if (ObjCAtFinallyStmt *FS =static_cast<ObjCAtFinallyStmt *>(
- Node->getFinallyStmt())) {
+
+ if (ObjCAtFinallyStmt *FS = static_cast<ObjCAtFinallyStmt *>(
+ Node->getFinallyStmt())) {
Indent() << "@finally";
PrintRawCompoundStmt(dyn_cast<CompoundStmt>(FS->getFinallyBody()));
OS << "\n";
- }
+ }
}
void StmtPrinter::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *Node) {
@@ -459,7 +457,7 @@ void StmtPrinter::VisitCXXCatchStmt(CXXCatchStmt *Node) {
void StmtPrinter::VisitCXXTryStmt(CXXTryStmt *Node) {
Indent() << "try ";
PrintRawCompoundStmt(Node->getTryBlock());
- for(unsigned i = 0, e = Node->getNumHandlers(); i < e; ++i) {
+ for (unsigned i = 0, e = Node->getNumHandlers(); i < e; ++i) {
OS << " ";
PrintRawCXXCatchStmt(Node->getHandler(i));
}
@@ -478,14 +476,14 @@ void StmtPrinter::VisitDeclRefExpr(DeclRefExpr *Node) {
OS << Node->getDecl()->getNameAsString();
}
-void StmtPrinter::VisitQualifiedDeclRefExpr(QualifiedDeclRefExpr *Node) {
+void StmtPrinter::VisitQualifiedDeclRefExpr(QualifiedDeclRefExpr *Node) {
NamedDecl *D = Node->getDecl();
Node->getQualifier()->print(OS, Policy);
OS << D->getNameAsString();
}
-void StmtPrinter::VisitUnresolvedDeclRefExpr(UnresolvedDeclRefExpr *Node) {
+void StmtPrinter::VisitUnresolvedDeclRefExpr(UnresolvedDeclRefExpr *Node) {
Node->getQualifier()->print(OS, Policy);
OS << Node->getDeclName().getAsString();
}
@@ -494,12 +492,10 @@ void StmtPrinter::VisitTemplateIdRefExpr(TemplateIdRefExpr *Node) {
if (Node->getQualifier())
Node->getQualifier()->print(OS, Policy);
Node->getTemplateName().print(OS, Policy, true);
- OS << '<';
OS << TemplateSpecializationType::PrintTemplateArgumentList(
Node->getTemplateArgs(),
Node->getNumTemplateArgs(),
Policy);
- OS << '>';
}
void StmtPrinter::VisitObjCIvarRefExpr(ObjCIvarRefExpr *Node) {
@@ -518,12 +514,15 @@ void StmtPrinter::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *Node) {
OS << Node->getProperty()->getNameAsCString();
}
-void StmtPrinter::VisitObjCKVCRefExpr(ObjCKVCRefExpr *Node) {
+void StmtPrinter::VisitObjCImplicitSetterGetterRefExpr(
+ ObjCImplicitSetterGetterRefExpr *Node) {
if (Node->getBase()) {
PrintExpr(Node->getBase());
OS << ".";
}
- // FIXME: Setter/Getter names
+ if (Node->getGetterMethod())
+ OS << Node->getGetterMethod()->getNameAsString();
+
}
void StmtPrinter::VisitPredefinedExpr(PredefinedExpr *Node) {
@@ -594,9 +593,9 @@ void StmtPrinter::VisitCharacterLiteral(CharacterLiteral *Node) {
void StmtPrinter::VisitIntegerLiteral(IntegerLiteral *Node) {
bool isSigned = Node->getType()->isSignedIntegerType();
OS << Node->getValue().toString(10, isSigned);
-
+
// Emit suffixes. Integer literals are always a builtin integer type.
- switch (Node->getType()->getAsBuiltinType()->getKind()) {
+ switch (Node->getType()->getAs<BuiltinType>()->getKind()) {
default: assert(0 && "Unexpected type for integer literal!");
case BuiltinType::Int: break; // no suffix.
case BuiltinType::UInt: OS << 'U'; break;
@@ -623,7 +622,7 @@ void StmtPrinter::VisitStringLiteral(StringLiteral *Str) {
// FIXME: this doesn't print wstrings right.
for (unsigned i = 0, e = Str->getByteLength(); i != e; ++i) {
unsigned char Char = Str->getStrData()[i];
-
+
switch (Char) {
default:
if (isprint(Char))
@@ -653,7 +652,7 @@ void StmtPrinter::VisitParenExpr(ParenExpr *Node) {
void StmtPrinter::VisitUnaryOperator(UnaryOperator *Node) {
if (!Node->isPostfix()) {
OS << UnaryOperator::getOpcodeStr(Node->getOpcode());
-
+
// Print a space if this is an "identifier operator" like __real, or if
// it might be concatenated incorrectly like '+'.
switch (Node->getOpcode()) {
@@ -671,7 +670,7 @@ void StmtPrinter::VisitUnaryOperator(UnaryOperator *Node) {
}
}
PrintExpr(Node->getSubExpr());
-
+
if (Node->isPostfix())
OS << UnaryOperator::getOpcodeStr(Node->getOpcode());
}
@@ -737,8 +736,22 @@ void StmtPrinter::VisitMemberExpr(MemberExpr *Node) {
OS << (Node->isArrow() ? "->" : ".");
// FIXME: Suppress printing references to unnamed objects
// representing anonymous unions/structs
+ if (NestedNameSpecifier *Qualifier = Node->getQualifier())
+ Qualifier->print(OS, Policy);
+
OS << Node->getMemberDecl()->getNameAsString();
+
+ if (Node->hasExplicitTemplateArgumentList())
+ OS << TemplateSpecializationType::PrintTemplateArgumentList(
+ Node->getTemplateArgs(),
+ Node->getNumTemplateArgs(),
+ Policy);
}
+void StmtPrinter::VisitObjCIsaExpr(ObjCIsaExpr *Node) {
+ PrintExpr(Node->getBase());
+ OS << (Node->isArrow() ? "->isa" : ".isa");
+}
+
void StmtPrinter::VisitExtVectorElementExpr(ExtVectorElementExpr *Node) {
PrintExpr(Node->getBase());
OS << ".";
@@ -774,7 +787,7 @@ void StmtPrinter::VisitCompoundAssignOperator(CompoundAssignOperator *Node) {
}
void StmtPrinter::VisitConditionalOperator(ConditionalOperator *Node) {
PrintExpr(Node->getCond());
-
+
if (Node->getLHS()) {
OS << " ? ";
PrintExpr(Node->getLHS());
@@ -783,7 +796,7 @@ void StmtPrinter::VisitConditionalOperator(ConditionalOperator *Node) {
else { // Handle GCC extension where LHS can be NULL.
OS << " ?: ";
}
-
+
PrintExpr(Node->getRHS());
}
@@ -845,6 +858,15 @@ void StmtPrinter::VisitInitListExpr(InitListExpr* Node) {
OS << " }";
}
+void StmtPrinter::VisitParenListExpr(ParenListExpr* Node) {
+ OS << "( ";
+ for (unsigned i = 0, e = Node->getNumExprs(); i != e; ++i) {
+ if (i) OS << ", ";
+ PrintExpr(Node->getExpr(i));
+ }
+ OS << " )";
+}
+
void StmtPrinter::VisitDesignatedInitExpr(DesignatedInitExpr *Node) {
for (DesignatedInitExpr::designators_iterator D = Node->designators_begin(),
DEnd = Node->designators_end();
@@ -861,7 +883,7 @@ void StmtPrinter::VisitDesignatedInitExpr(DesignatedInitExpr *Node) {
} else {
PrintExpr(Node->getArrayRangeStart(*D));
OS << " ... ";
- PrintExpr(Node->getArrayRangeEnd(*D));
+ PrintExpr(Node->getArrayRangeEnd(*D));
}
OS << "]";
}
@@ -1013,7 +1035,7 @@ void StmtPrinter::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *Node) {
OS << Node->getType().getAsString();
OS << "(";
for (CXXTemporaryObjectExpr::arg_iterator Arg = Node->arg_begin(),
- ArgEnd = Node->arg_end();
+ ArgEnd = Node->arg_end();
Arg != ArgEnd; ++Arg) {
if (Arg != Node->arg_begin())
OS << ", ";
@@ -1082,6 +1104,20 @@ void StmtPrinter::VisitCXXDeleteExpr(CXXDeleteExpr *E) {
PrintExpr(E->getArgument());
}
+void StmtPrinter::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) {
+ PrintExpr(E->getBase());
+ if (E->isArrow())
+ OS << "->";
+ else
+ OS << '.';
+ if (E->getQualifier())
+ E->getQualifier()->print(OS, Policy);
+
+ std::string TypeS;
+ E->getDestroyedType().getAsStringInternal(TypeS, Policy);
+ OS << TypeS;
+}
+
void StmtPrinter::VisitUnresolvedFunctionNameExpr(UnresolvedFunctionNameExpr *E) {
OS << E->getName().getAsString();
}
@@ -1095,13 +1131,13 @@ void StmtPrinter::VisitCXXExprWithTemporaries(CXXExprWithTemporaries *E) {
PrintExpr(E->getSubExpr());
}
-void
+void
StmtPrinter::VisitCXXUnresolvedConstructExpr(
CXXUnresolvedConstructExpr *Node) {
OS << Node->getTypeAsWritten().getAsString();
OS << "(";
for (CXXUnresolvedConstructExpr::arg_iterator Arg = Node->arg_begin(),
- ArgEnd = Node->arg_end();
+ ArgEnd = Node->arg_end();
Arg != ArgEnd; ++Arg) {
if (Arg != Node->arg_begin())
OS << ", ";
@@ -1113,7 +1149,20 @@ StmtPrinter::VisitCXXUnresolvedConstructExpr(
void StmtPrinter::VisitCXXUnresolvedMemberExpr(CXXUnresolvedMemberExpr *Node) {
PrintExpr(Node->getBase());
OS << (Node->isArrow() ? "->" : ".");
+ if (NestedNameSpecifier *Qualifier = Node->getQualifier())
+ Qualifier->print(OS, Policy);
+ else if (Node->hasExplicitTemplateArgumentList())
+ // FIXME: Track use of "template" keyword explicitly?
+ OS << "template ";
+
OS << Node->getMember().getAsString();
+
+ if (Node->hasExplicitTemplateArgumentList()) {
+ OS << TemplateSpecializationType::PrintTemplateArgumentList(
+ Node->getTemplateArgs(),
+ Node->getNumTemplateArgs(),
+ Policy);
+ }
}
static const char *getTypeTraitName(UnaryTypeTrait UTT) {
@@ -1142,7 +1191,7 @@ void StmtPrinter::VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E) {
<< E->getQueriedType().getAsString() << ")";
}
-// Obj-C
+// Obj-C
void StmtPrinter::VisitObjCStringLiteral(ObjCStringLiteral *Node) {
OS << "@";
@@ -1180,7 +1229,7 @@ void StmtPrinter::VisitObjCMessageExpr(ObjCMessageExpr *Mess) {
OS << ":";
}
else OS << ", "; // Handle variadic methods.
-
+
PrintExpr(Mess->getArg(i));
}
}
@@ -1194,9 +1243,9 @@ void StmtPrinter::VisitObjCSuperExpr(ObjCSuperExpr *) {
void StmtPrinter::VisitBlockExpr(BlockExpr *Node) {
BlockDecl *BD = Node->getBlockDecl();
OS << "^";
-
+
const FunctionType *AFT = Node->getFunctionType();
-
+
if (isa<FunctionNoProtoType>(AFT)) {
OS << "()";
} else if (!BD->param_empty() || cast<FunctionProtoType>(AFT)->isVariadic()) {
@@ -1209,7 +1258,7 @@ void StmtPrinter::VisitBlockExpr(BlockExpr *Node) {
(*AI)->getType().getAsStringInternal(ParamStr, Policy);
OS << ParamStr;
}
-
+
const FunctionProtoType *FT = cast<FunctionProtoType>(AFT);
if (FT->isVariadic()) {
if (!BD->param_empty()) OS << ", ";
@@ -1241,10 +1290,10 @@ void Stmt::printPretty(llvm::raw_ostream &OS, ASTContext& Context,
}
if (Policy.Dump) {
- dump();
+ dump(Context.getSourceManager());
return;
}
-
+
StmtPrinter P(OS, Context, Helper, Policy, Indentation);
P.Visit(const_cast<Stmt*>(this));
}
diff --git a/lib/AST/StmtProfile.cpp b/lib/AST/StmtProfile.cpp
new file mode 100644
index 000000000000..c4d42f6be228
--- /dev/null
+++ b/lib/AST/StmtProfile.cpp
@@ -0,0 +1,720 @@
+//===---- StmtProfile.cpp - Profile implementation for Stmt ASTs ----------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the Stmt::Profile method, which builds a unique bit
+// representation that identifies a statement/expression.
+//
+//===----------------------------------------------------------------------===//
+#include "clang/AST/ASTContext.h"
+#include "clang/AST/DeclCXX.h"
+#include "clang/AST/DeclObjC.h"
+#include "clang/AST/DeclTemplate.h"
+#include "clang/AST/Expr.h"
+#include "clang/AST/ExprCXX.h"
+#include "clang/AST/ExprObjC.h"
+#include "clang/AST/StmtVisitor.h"
+#include "llvm/ADT/FoldingSet.h"
+#include "llvm/Support/Compiler.h"
+using namespace clang;
+
+namespace {
+ class VISIBILITY_HIDDEN StmtProfiler : public StmtVisitor<StmtProfiler> {
+ llvm::FoldingSetNodeID &ID;
+ ASTContext &Context;
+ bool Canonical;
+
+ public:
+ StmtProfiler(llvm::FoldingSetNodeID &ID, ASTContext &Context,
+ bool Canonical)
+ : ID(ID), Context(Context), Canonical(Canonical) { }
+
+ void VisitStmt(Stmt *S);
+
+#define STMT(Node, Base) void Visit##Node(Node *S);
+#include "clang/AST/StmtNodes.def"
+
+ /// \brief Visit a declaration that is referenced within an expression
+ /// or statement.
+ void VisitDecl(Decl *D);
+
+ /// \brief Visit a type that is referenced within an expression or
+ /// statement.
+ void VisitType(QualType T);
+
+ /// \brief Visit a name that occurs within an expression or statement.
+ void VisitName(DeclarationName Name);
+
+ /// \brief Visit a nested-name-specifier that occurs within an expression
+ /// or statement.
+ void VisitNestedNameSpecifier(NestedNameSpecifier *NNS);
+
+ /// \brief Visit a template name that occurs within an expression or
+ /// statement.
+ void VisitTemplateName(TemplateName Name);
+
+ /// \brief Visit template arguments that occur within an expression or
+ /// statement.
+ void VisitTemplateArguments(const TemplateArgument *Args, unsigned NumArgs);
+ };
+}
+
+void StmtProfiler::VisitStmt(Stmt *S) {
+ ID.AddInteger(S->getStmtClass());
+ for (Stmt::child_iterator C = S->child_begin(), CEnd = S->child_end();
+ C != CEnd; ++C)
+ Visit(*C);
+}
+
+void StmtProfiler::VisitDeclStmt(DeclStmt *S) {
+ VisitStmt(S);
+ for (DeclStmt::decl_iterator D = S->decl_begin(), DEnd = S->decl_end();
+ D != DEnd; ++D)
+ VisitDecl(*D);
+}
+
+void StmtProfiler::VisitNullStmt(NullStmt *S) {
+ VisitStmt(S);
+}
+
+void StmtProfiler::VisitCompoundStmt(CompoundStmt *S) {
+ VisitStmt(S);
+}
+
+void StmtProfiler::VisitSwitchCase(SwitchCase *S) {
+ VisitStmt(S);
+}
+
+void StmtProfiler::VisitCaseStmt(CaseStmt *S) {
+ VisitStmt(S);
+}
+
+void StmtProfiler::VisitDefaultStmt(DefaultStmt *S) {
+ VisitStmt(S);
+}
+
+void StmtProfiler::VisitLabelStmt(LabelStmt *S) {
+ VisitStmt(S);
+ VisitName(S->getID());
+}
+
+void StmtProfiler::VisitIfStmt(IfStmt *S) {
+ VisitStmt(S);
+}
+
+void StmtProfiler::VisitSwitchStmt(SwitchStmt *S) {
+ VisitStmt(S);
+}
+
+void StmtProfiler::VisitWhileStmt(WhileStmt *S) {
+ VisitStmt(S);
+}
+
+void StmtProfiler::VisitDoStmt(DoStmt *S) {
+ VisitStmt(S);
+}
+
+void StmtProfiler::VisitForStmt(ForStmt *S) {
+ VisitStmt(S);
+}
+
+void StmtProfiler::VisitGotoStmt(GotoStmt *S) {
+ VisitStmt(S);
+ VisitName(S->getLabel()->getID());
+}
+
+void StmtProfiler::VisitIndirectGotoStmt(IndirectGotoStmt *S) {
+ VisitStmt(S);
+}
+
+void StmtProfiler::VisitContinueStmt(ContinueStmt *S) {
+ VisitStmt(S);
+}
+
+void StmtProfiler::VisitBreakStmt(BreakStmt *S) {
+ VisitStmt(S);
+}
+
+void StmtProfiler::VisitReturnStmt(ReturnStmt *S) {
+ VisitStmt(S);
+}
+
+void StmtProfiler::VisitAsmStmt(AsmStmt *S) {
+ VisitStmt(S);
+ ID.AddBoolean(S->isVolatile());
+ ID.AddBoolean(S->isSimple());
+ VisitStringLiteral(S->getAsmString());
+ ID.AddInteger(S->getNumOutputs());
+ for (unsigned I = 0, N = S->getNumOutputs(); I != N; ++I) {
+ ID.AddString(S->getOutputName(I));
+ VisitStringLiteral(S->getOutputConstraintLiteral(I));
+ }
+ ID.AddInteger(S->getNumInputs());
+ for (unsigned I = 0, N = S->getNumInputs(); I != N; ++I) {
+ ID.AddString(S->getInputName(I));
+ VisitStringLiteral(S->getInputConstraintLiteral(I));
+ }
+ ID.AddInteger(S->getNumClobbers());
+ for (unsigned I = 0, N = S->getNumClobbers(); I != N; ++I)
+ VisitStringLiteral(S->getClobber(I));
+}
+
+void StmtProfiler::VisitCXXCatchStmt(CXXCatchStmt *S) {
+ VisitStmt(S);
+ VisitType(S->getCaughtType());
+}
+
+void StmtProfiler::VisitCXXTryStmt(CXXTryStmt *S) {
+ VisitStmt(S);
+}
+
+void StmtProfiler::VisitObjCForCollectionStmt(ObjCForCollectionStmt *S) {
+ VisitStmt(S);
+}
+
+void StmtProfiler::VisitObjCAtCatchStmt(ObjCAtCatchStmt *S) {
+ VisitStmt(S);
+ ID.AddBoolean(S->hasEllipsis());
+ if (S->getCatchParamDecl())
+ VisitType(S->getCatchParamDecl()->getType());
+}
+
+void StmtProfiler::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S) {
+ VisitStmt(S);
+}
+
+void StmtProfiler::VisitObjCAtTryStmt(ObjCAtTryStmt *S) {
+ VisitStmt(S);
+}
+
+void StmtProfiler::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *S) {
+ VisitStmt(S);
+}
+
+void StmtProfiler::VisitObjCAtThrowStmt(ObjCAtThrowStmt *S) {
+ VisitStmt(S);
+}
+
+void StmtProfiler::VisitExpr(Expr *S) {
+ VisitStmt(S);
+}
+
+void StmtProfiler::VisitDeclRefExpr(DeclRefExpr *S) {
+ VisitExpr(S);
+ VisitDecl(S->getDecl());
+}
+
+void StmtProfiler::VisitPredefinedExpr(PredefinedExpr *S) {
+ VisitExpr(S);
+ ID.AddInteger(S->getIdentType());
+}
+
+void StmtProfiler::VisitIntegerLiteral(IntegerLiteral *S) {
+ VisitExpr(S);
+ S->getValue().Profile(ID);
+}
+
+void StmtProfiler::VisitCharacterLiteral(CharacterLiteral *S) {
+ VisitExpr(S);
+ ID.AddBoolean(S->isWide());
+ ID.AddInteger(S->getValue());
+}
+
+void StmtProfiler::VisitFloatingLiteral(FloatingLiteral *S) {
+ VisitExpr(S);
+ S->getValue().Profile(ID);
+ ID.AddBoolean(S->isExact());
+}
+
+void StmtProfiler::VisitImaginaryLiteral(ImaginaryLiteral *S) {
+ VisitExpr(S);
+}
+
+void StmtProfiler::VisitStringLiteral(StringLiteral *S) {
+ VisitExpr(S);
+ ID.AddString(S->getString());
+ ID.AddBoolean(S->isWide());
+}
+
+void StmtProfiler::VisitParenExpr(ParenExpr *S) {
+ VisitExpr(S);
+}
+
+void StmtProfiler::VisitParenListExpr(ParenListExpr *S) {
+ VisitExpr(S);
+}
+
+void StmtProfiler::VisitUnaryOperator(UnaryOperator *S) {
+ VisitExpr(S);
+ ID.AddInteger(S->getOpcode());
+}
+
+void StmtProfiler::VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *S) {
+ VisitExpr(S);
+ ID.AddBoolean(S->isSizeOf());
+ if (S->isArgumentType())
+ VisitType(S->getArgumentType());
+}
+
+void StmtProfiler::VisitArraySubscriptExpr(ArraySubscriptExpr *S) {
+ VisitExpr(S);
+}
+
+void StmtProfiler::VisitCallExpr(CallExpr *S) {
+ VisitExpr(S);
+}
+
+void StmtProfiler::VisitMemberExpr(MemberExpr *S) {
+ VisitExpr(S);
+ VisitDecl(S->getMemberDecl());
+ VisitNestedNameSpecifier(S->getQualifier());
+ ID.AddBoolean(S->isArrow());
+}
+
+void StmtProfiler::VisitCompoundLiteralExpr(CompoundLiteralExpr *S) {
+ VisitExpr(S);
+ ID.AddBoolean(S->isFileScope());
+}
+
+void StmtProfiler::VisitCastExpr(CastExpr *S) {
+ VisitExpr(S);
+}
+
+void StmtProfiler::VisitImplicitCastExpr(ImplicitCastExpr *S) {
+ VisitCastExpr(S);
+ ID.AddBoolean(S->isLvalueCast());
+}
+
+void StmtProfiler::VisitExplicitCastExpr(ExplicitCastExpr *S) {
+ VisitCastExpr(S);
+ VisitType(S->getTypeAsWritten());
+}
+
+void StmtProfiler::VisitCStyleCastExpr(CStyleCastExpr *S) {
+ VisitExplicitCastExpr(S);
+}
+
+void StmtProfiler::VisitBinaryOperator(BinaryOperator *S) {
+ VisitExpr(S);
+ ID.AddInteger(S->getOpcode());
+}
+
+void StmtProfiler::VisitCompoundAssignOperator(CompoundAssignOperator *S) {
+ VisitBinaryOperator(S);
+}
+
+void StmtProfiler::VisitConditionalOperator(ConditionalOperator *S) {
+ VisitExpr(S);
+}
+
+void StmtProfiler::VisitAddrLabelExpr(AddrLabelExpr *S) {
+ VisitExpr(S);
+ VisitName(S->getLabel()->getID());
+}
+
+void StmtProfiler::VisitStmtExpr(StmtExpr *S) {
+ VisitExpr(S);
+}
+
+void StmtProfiler::VisitTypesCompatibleExpr(TypesCompatibleExpr *S) {
+ VisitExpr(S);
+ VisitType(S->getArgType1());
+ VisitType(S->getArgType2());
+}
+
+void StmtProfiler::VisitShuffleVectorExpr(ShuffleVectorExpr *S) {
+ VisitExpr(S);
+}
+
+void StmtProfiler::VisitChooseExpr(ChooseExpr *S) {
+ VisitExpr(S);
+}
+
+void StmtProfiler::VisitGNUNullExpr(GNUNullExpr *S) {
+ VisitExpr(S);
+}
+
+void StmtProfiler::VisitVAArgExpr(VAArgExpr *S) {
+ VisitExpr(S);
+}
+
+void StmtProfiler::VisitInitListExpr(InitListExpr *S) {
+ if (S->getSyntacticForm()) {
+ VisitInitListExpr(S->getSyntacticForm());
+ return;
+ }
+
+ VisitExpr(S);
+}
+
+void StmtProfiler::VisitDesignatedInitExpr(DesignatedInitExpr *S) {
+ VisitExpr(S);
+ ID.AddBoolean(S->usesGNUSyntax());
+ for (DesignatedInitExpr::designators_iterator D = S->designators_begin(),
+ DEnd = S->designators_end();
+ D != DEnd; ++D) {
+ if (D->isFieldDesignator()) {
+ ID.AddInteger(0);
+ VisitName(D->getFieldName());
+ continue;
+ }
+
+ if (D->isArrayDesignator()) {
+ ID.AddInteger(1);
+ } else {
+ assert(D->isArrayRangeDesignator());
+ ID.AddInteger(2);
+ }
+ ID.AddInteger(D->getFirstExprIndex());
+ }
+}
+
+void StmtProfiler::VisitImplicitValueInitExpr(ImplicitValueInitExpr *S) {
+ VisitExpr(S);
+}
+
+void StmtProfiler::VisitExtVectorElementExpr(ExtVectorElementExpr *S) {
+ VisitExpr(S);
+ VisitName(&S->getAccessor());
+}
+
+void StmtProfiler::VisitBlockExpr(BlockExpr *S) {
+ VisitExpr(S);
+ VisitDecl(S->getBlockDecl());
+}
+
+void StmtProfiler::VisitBlockDeclRefExpr(BlockDeclRefExpr *S) {
+ VisitExpr(S);
+ VisitDecl(S->getDecl());
+ ID.AddBoolean(S->isByRef());
+ ID.AddBoolean(S->isConstQualAdded());
+}
+
+void StmtProfiler::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *S) {
+ VisitCallExpr(S);
+ ID.AddInteger(S->getOperator());
+}
+
+void StmtProfiler::VisitCXXMemberCallExpr(CXXMemberCallExpr *S) {
+ VisitCallExpr(S);
+}
+
+void StmtProfiler::VisitCXXNamedCastExpr(CXXNamedCastExpr *S) {
+ VisitExplicitCastExpr(S);
+}
+
+void StmtProfiler::VisitCXXStaticCastExpr(CXXStaticCastExpr *S) {
+ VisitCXXNamedCastExpr(S);
+}
+
+void StmtProfiler::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *S) {
+ VisitCXXNamedCastExpr(S);
+}
+
+void StmtProfiler::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *S) {
+ VisitCXXNamedCastExpr(S);
+}
+
+void StmtProfiler::VisitCXXConstCastExpr(CXXConstCastExpr *S) {
+ VisitCXXNamedCastExpr(S);
+}
+
+void StmtProfiler::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *S) {
+ VisitExpr(S);
+ ID.AddBoolean(S->getValue());
+}
+
+void StmtProfiler::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *S) {
+ VisitExpr(S);
+}
+
+void StmtProfiler::VisitCXXTypeidExpr(CXXTypeidExpr *S) {
+ VisitExpr(S);
+ if (S->isTypeOperand())
+ VisitType(S->getTypeOperand());
+}
+
+void StmtProfiler::VisitCXXThisExpr(CXXThisExpr *S) {
+ VisitExpr(S);
+}
+
+void StmtProfiler::VisitCXXThrowExpr(CXXThrowExpr *S) {
+ VisitExpr(S);
+}
+
+void StmtProfiler::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *S) {
+ VisitExpr(S);
+ VisitDecl(S->getParam());
+}
+
+void StmtProfiler::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *S) {
+ VisitExpr(S);
+ VisitDecl(
+ const_cast<CXXDestructorDecl *>(S->getTemporary()->getDestructor()));
+}
+
+void StmtProfiler::VisitCXXConstructExpr(CXXConstructExpr *S) {
+ VisitExpr(S);
+ VisitDecl(S->getConstructor());
+ ID.AddBoolean(S->isElidable());
+}
+
+void StmtProfiler::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *S) {
+ VisitExplicitCastExpr(S);
+}
+
+void StmtProfiler::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *S) {
+ VisitCXXConstructExpr(S);
+}
+
+void StmtProfiler::VisitCXXZeroInitValueExpr(CXXZeroInitValueExpr *S) {
+ VisitExpr(S);
+}
+
+void StmtProfiler::VisitCXXConditionDeclExpr(CXXConditionDeclExpr *S) {
+ VisitDeclRefExpr(S);
+}
+
+void StmtProfiler::VisitCXXDeleteExpr(CXXDeleteExpr *S) {
+ VisitExpr(S);
+ ID.AddBoolean(S->isGlobalDelete());
+ ID.AddBoolean(S->isArrayForm());
+ VisitDecl(S->getOperatorDelete());
+}
+
+
+void StmtProfiler::VisitCXXNewExpr(CXXNewExpr *S) {
+ VisitExpr(S);
+ VisitType(S->getAllocatedType());
+ VisitDecl(S->getOperatorNew());
+ VisitDecl(S->getOperatorDelete());
+ VisitDecl(S->getConstructor());
+ ID.AddBoolean(S->isArray());
+ ID.AddInteger(S->getNumPlacementArgs());
+ ID.AddBoolean(S->isGlobalNew());
+ ID.AddBoolean(S->isParenTypeId());
+ ID.AddBoolean(S->hasInitializer());
+ ID.AddInteger(S->getNumConstructorArgs());
+}
+
+void StmtProfiler::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *S) {
+ VisitExpr(S);
+ ID.AddBoolean(S->isArrow());
+ VisitNestedNameSpecifier(S->getQualifier());
+ VisitType(S->getDestroyedType());
+}
+
+void
+StmtProfiler::VisitUnresolvedFunctionNameExpr(UnresolvedFunctionNameExpr *S) {
+ VisitExpr(S);
+ VisitName(S->getName());
+}
+
+void StmtProfiler::VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *S) {
+ VisitExpr(S);
+ ID.AddInteger(S->getTrait());
+ VisitType(S->getQueriedType());
+}
+
+void StmtProfiler::VisitQualifiedDeclRefExpr(QualifiedDeclRefExpr *S) {
+ VisitDeclRefExpr(S);
+ VisitNestedNameSpecifier(S->getQualifier());
+}
+
+void StmtProfiler::VisitUnresolvedDeclRefExpr(UnresolvedDeclRefExpr *S) {
+ VisitExpr(S);
+ VisitName(S->getDeclName());
+ VisitNestedNameSpecifier(S->getQualifier());
+ ID.AddBoolean(S->isAddressOfOperand());
+}
+
+void StmtProfiler::VisitTemplateIdRefExpr(TemplateIdRefExpr *S) {
+ VisitExpr(S);
+ VisitNestedNameSpecifier(S->getQualifier());
+ VisitTemplateName(S->getTemplateName());
+ VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
+}
+
+void StmtProfiler::VisitCXXExprWithTemporaries(CXXExprWithTemporaries *S) {
+ VisitExpr(S);
+ ID.AddBoolean(S->shouldDestroyTemporaries());
+ for (unsigned I = 0, N = S->getNumTemporaries(); I != N; ++I)
+ VisitDecl(
+ const_cast<CXXDestructorDecl *>(S->