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authorDimitry Andric <dim@FreeBSD.org>2018-07-28 11:06:01 +0000
committerDimitry Andric <dim@FreeBSD.org>2018-07-28 11:06:01 +0000
commit486754660bb926339aefcf012a3f848592babb8b (patch)
treeecdbc446c9876f4f120f701c243373cd3cb43db3 /include/clang/Analysis/AnalysisDeclContext.h
parent55e6d896ad333f07bb3b1ba487df214fc268a4ab (diff)
downloadsrc-486754660bb926339aefcf012a3f848592babb8b.tar.gz
src-486754660bb926339aefcf012a3f848592babb8b.zip
Vendor import of clang trunk r338150:vendor/clang/clang-trunk-r338150
Notes
Notes: svn path=/vendor/clang/dist/; revision=336815 svn path=/vendor/clang/clang-trunk-r338150/; revision=336816; tag=vendor/clang/clang-trunk-r338150
Diffstat (limited to 'include/clang/Analysis/AnalysisDeclContext.h')
-rw-r--r--include/clang/Analysis/AnalysisDeclContext.h104
1 files changed, 61 insertions, 43 deletions
diff --git a/include/clang/Analysis/AnalysisDeclContext.h b/include/clang/Analysis/AnalysisDeclContext.h
index 03ff4a9516da..8c391b5ee1e5 100644
--- a/include/clang/Analysis/AnalysisDeclContext.h
+++ b/include/clang/Analysis/AnalysisDeclContext.h
@@ -1,4 +1,4 @@
-//=== AnalysisDeclContext.h - Analysis context for Path Sens analysis --*- C++ -*-//
+// AnalysisDeclContext.h - Analysis context for Path Sens analysis -*- C++ -*-//
//
// The LLVM Compiler Infrastructure
//
@@ -15,37 +15,42 @@
#ifndef LLVM_CLANG_ANALYSIS_ANALYSISDECLCONTEXT_H
#define LLVM_CLANG_ANALYSIS_ANALYSISDECLCONTEXT_H
-#include "clang/AST/Decl.h"
+#include "clang/AST/DeclBase.h"
#include "clang/Analysis/BodyFarm.h"
#include "clang/Analysis/CFG.h"
#include "clang/Analysis/CodeInjector.h"
+#include "clang/Basic/LLVM.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/FoldingSet.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/ADT/iterator_range.h"
#include "llvm/Support/Allocator.h"
+#include <functional>
#include <memory>
namespace clang {
-class Stmt;
+class AnalysisDeclContextManager;
+class ASTContext;
+class BlockDecl;
+class BlockInvocationContext;
class CFGReverseBlockReachabilityAnalysis;
class CFGStmtMap;
-class LiveVariables;
-class ManagedAnalysis;
+class ImplicitParamDecl;
+class LocationContext;
+class LocationContextManager;
class ParentMap;
class PseudoConstantAnalysis;
-class LocationContextManager;
class StackFrameContext;
-class BlockInvocationContext;
-class AnalysisDeclContextManager;
-class LocationContext;
-
-namespace idx { class TranslationUnit; }
+class Stmt;
+class VarDecl;
/// The base class of a hierarchy of objects representing analyses tied
/// to AnalysisDeclContext.
class ManagedAnalysis {
protected:
- ManagedAnalysis() {}
+ ManagedAnalysis() = default;
+
public:
virtual ~ManagedAnalysis();
@@ -61,7 +66,6 @@ public:
// which creates the analysis object given an AnalysisDeclContext.
};
-
/// AnalysisDeclContext contains the context data for the function or method
/// under analysis.
class AnalysisDeclContext {
@@ -75,18 +79,19 @@ class AnalysisDeclContext {
std::unique_ptr<CFGStmtMap> cfgStmtMap;
CFG::BuildOptions cfgBuildOptions;
- CFG::BuildOptions::ForcedBlkExprs *forcedBlkExprs;
+ CFG::BuildOptions::ForcedBlkExprs *forcedBlkExprs = nullptr;
- bool builtCFG, builtCompleteCFG;
+ bool builtCFG = false;
+ bool builtCompleteCFG = false;
std::unique_ptr<ParentMap> PM;
std::unique_ptr<PseudoConstantAnalysis> PCA;
std::unique_ptr<CFGReverseBlockReachabilityAnalysis> CFA;
llvm::BumpPtrAllocator A;
- llvm::DenseMap<const BlockDecl*,void*> *ReferencedBlockVars;
+ llvm::DenseMap<const BlockDecl *,void *> *ReferencedBlockVars = nullptr;
- void *ManagedAnalyses;
+ void *ManagedAnalyses = nullptr;
public:
AnalysisDeclContext(AnalysisDeclContextManager *Mgr,
@@ -130,22 +135,22 @@ public:
void registerForcedBlockExpression(const Stmt *stmt);
const CFGBlock *getBlockForRegisteredExpression(const Stmt *stmt);
- /// \brief Get the body of the Declaration.
+ /// Get the body of the Declaration.
Stmt *getBody() const;
- /// \brief Get the body of the Declaration.
+ /// Get the body of the Declaration.
/// \param[out] IsAutosynthesized Specifies if the body is auto-generated
/// by the BodyFarm.
Stmt *getBody(bool &IsAutosynthesized) const;
- /// \brief Checks if the body of the Decl is generated by the BodyFarm.
+ /// Checks if the body of the Decl is generated by the BodyFarm.
///
/// Note, the lookup is not free. We are going to call getBody behind
/// the scenes.
/// \sa getBody
bool isBodyAutosynthesized() const;
- /// \brief Checks if the body of the Decl is generated by the BodyFarm from a
+ /// Checks if the body of the Decl is generated by the BodyFarm from a
/// model file.
///
/// Note, the lookup is not free. We are going to call getBody behind
@@ -164,7 +169,7 @@ public:
void dumpCFG(bool ShowColors);
- /// \brief Returns true if we have built a CFG for this analysis context.
+ /// Returns true if we have built a CFG for this analysis context.
/// Note that this doesn't correspond to whether or not a valid CFG exists, it
/// corresponds to whether we *attempted* to build one.
bool isCFGBuilt() const { return builtCFG; }
@@ -172,7 +177,7 @@ public:
ParentMap &getParentMap();
PseudoConstantAnalysis *getPseudoConstantAnalysis();
- typedef const VarDecl * const * referenced_decls_iterator;
+ using referenced_decls_iterator = const VarDecl * const *;
llvm::iterator_range<referenced_decls_iterator>
getReferencedBlockVars(const BlockDecl *BD);
@@ -200,12 +205,13 @@ public:
if (!data) {
data = T::create(*this);
}
- return static_cast<T*>(data);
+ return static_cast<T *>(data);
}
/// Returns true if the root namespace of the given declaration is the 'std'
/// C++ namespace.
static bool isInStdNamespace(const Decl *D);
+
private:
ManagedAnalysis *&getAnalysisImpl(const void* tag);
@@ -228,7 +234,7 @@ private:
protected:
LocationContext(ContextKind k, AnalysisDeclContext *ctx,
const LocationContext *parent)
- : Kind(k), Ctx(ctx), Parent(parent) {}
+ : Kind(k), Ctx(ctx), Parent(parent) {}
public:
virtual ~LocationContext();
@@ -258,14 +264,18 @@ public:
return Ctx->getSelfDecl();
}
- const StackFrameContext *getCurrentStackFrame() const;
+ const StackFrameContext *getStackFrame() const;
/// Return true if the current LocationContext has no caller context.
virtual bool inTopFrame() const;
virtual void Profile(llvm::FoldingSetNodeID &ID) = 0;
- void dumpStack(raw_ostream &OS, StringRef Indent = "") const;
+ void dumpStack(
+ raw_ostream &OS, StringRef Indent = {}, const char *NL = "\n",
+ const char *Sep = "",
+ std::function<void(const LocationContext *)> printMoreInfoPerContext =
+ [](const LocationContext *) {}) const;
void dumpStack() const;
public:
@@ -277,6 +287,8 @@ public:
};
class StackFrameContext : public LocationContext {
+ friend class LocationContextManager;
+
// The callsite where this stack frame is established.
const Stmt *CallSite;
@@ -286,15 +298,14 @@ class StackFrameContext : public LocationContext {
// The index of the callsite in the CFGBlock.
unsigned Index;
- friend class LocationContextManager;
StackFrameContext(AnalysisDeclContext *ctx, const LocationContext *parent,
const Stmt *s, const CFGBlock *blk,
unsigned idx)
- : LocationContext(StackFrame, ctx, parent), CallSite(s),
- Block(blk), Index(idx) {}
+ : LocationContext(StackFrame, ctx, parent), CallSite(s),
+ Block(blk), Index(idx) {}
public:
- ~StackFrameContext() override {}
+ ~StackFrameContext() override = default;
const Stmt *getCallSite() const { return CallSite; }
@@ -321,15 +332,16 @@ public:
};
class ScopeContext : public LocationContext {
+ friend class LocationContextManager;
+
const Stmt *Enter;
- friend class LocationContextManager;
ScopeContext(AnalysisDeclContext *ctx, const LocationContext *parent,
const Stmt *s)
- : LocationContext(Scope, ctx, parent), Enter(s) {}
+ : LocationContext(Scope, ctx, parent), Enter(s) {}
public:
- ~ScopeContext() override {}
+ ~ScopeContext() override = default;
void Profile(llvm::FoldingSetNodeID &ID) override;
@@ -344,20 +356,20 @@ public:
};
class BlockInvocationContext : public LocationContext {
+ friend class LocationContextManager;
+
const BlockDecl *BD;
// FIXME: Come up with a more type-safe way to model context-sensitivity.
const void *ContextData;
- friend class LocationContextManager;
-
BlockInvocationContext(AnalysisDeclContext *ctx,
const LocationContext *parent,
const BlockDecl *bd, const void *contextData)
- : LocationContext(Block, ctx, parent), BD(bd), ContextData(contextData) {}
+ : LocationContext(Block, ctx, parent), BD(bd), ContextData(contextData) {}
public:
- ~BlockInvocationContext() override {}
+ ~BlockInvocationContext() override = default;
const BlockDecl *getBlockDecl() const { return BD; }
@@ -379,6 +391,7 @@ public:
class LocationContextManager {
llvm::FoldingSet<LocationContext> Contexts;
+
public:
~LocationContextManager();
@@ -407,8 +420,8 @@ private:
};
class AnalysisDeclContextManager {
- typedef llvm::DenseMap<const Decl *, std::unique_ptr<AnalysisDeclContext>>
- ContextMap;
+ using ContextMap =
+ llvm::DenseMap<const Decl *, std::unique_ptr<AnalysisDeclContext>>;
ContextMap Contexts;
LocationContextManager LocContexts;
@@ -431,10 +444,14 @@ public:
bool addImplicitDtors = false,
bool addInitializers = false,
bool addTemporaryDtors = false,
- bool addLifetime = false, bool addLoopExit = false,
+ bool addLifetime = false,
+ bool addLoopExit = false,
+ bool addScopes = false,
bool synthesizeBodies = false,
bool addStaticInitBranches = false,
bool addCXXNewAllocator = true,
+ bool addRichCXXConstructors = true,
+ bool markElidedCXXConstructors = true,
CodeInjector *injector = nullptr);
AnalysisDeclContext *getContext(const Decl *D);
@@ -488,5 +505,6 @@ private:
}
};
-} // end clang namespace
-#endif
+} // namespace clang
+
+#endif // LLVM_CLANG_ANALYSIS_ANALYSISDECLCONTEXT_H