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-rw-r--r--utils/TableGen/LLDBOptionDefEmitter.cpp162
1 files changed, 98 insertions, 64 deletions
diff --git a/utils/TableGen/LLDBOptionDefEmitter.cpp b/utils/TableGen/LLDBOptionDefEmitter.cpp
index 4e62197d3989..6e73d0c53de3 100644
--- a/utils/TableGen/LLDBOptionDefEmitter.cpp
+++ b/utils/TableGen/LLDBOptionDefEmitter.cpp
@@ -1,4 +1,4 @@
-//===- TableGen.cpp - Top-Level TableGen implementation for Clang ---------===//
+//===- LLDBOptionDefEmitter.cpp -------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
@@ -12,140 +12,174 @@
//===----------------------------------------------------------------------===//
#include "LLDBTableGenBackends.h"
+#include "LLDBTableGenUtils.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/TableGen/Record.h"
#include "llvm/TableGen/StringMatcher.h"
#include "llvm/TableGen/TableGenBackend.h"
-#include <map>
#include <vector>
using namespace llvm;
+using namespace lldb_private;
-/// Map of command names to their associated records. Also makes sure our
-/// commands are sorted in a deterministic way.
-typedef std::map<std::string, std::vector<Record *>> RecordsByCommand;
-
-/// Groups all records by their command.
-static RecordsByCommand getCommandList(std::vector<Record *> Options) {
- RecordsByCommand result;
- for (Record *Option : Options)
- result[Option->getValueAsString("Command").str()].push_back(Option);
- return result;
-}
-
-static void emitOption(Record *Option, raw_ostream &OS) {
- OS << " {";
-
- // List of option groups this option is in.
+namespace {
+struct CommandOption {
std::vector<std::string> GroupsArg;
-
- if (Option->getValue("Groups")) {
- // The user specified a list of groups.
- auto Groups = Option->getValueAsListOfInts("Groups");
- for (int Group : Groups)
- GroupsArg.push_back("LLDB_OPT_SET_" + std::to_string(Group));
- } else if (Option->getValue("GroupStart")) {
- // The user specified a range of groups (with potentially only one element).
- int GroupStart = Option->getValueAsInt("GroupStart");
- int GroupEnd = Option->getValueAsInt("GroupEnd");
- for (int i = GroupStart; i <= GroupEnd; ++i)
- GroupsArg.push_back("LLDB_OPT_SET_" + std::to_string(i));
+ bool Required = false;
+ std::string FullName;
+ std::string ShortName;
+ std::string ArgType;
+ bool OptionalArg = false;
+ std::string Validator;
+ std::string ArgEnum;
+ std::vector<StringRef> Completions;
+ std::string Description;
+
+ CommandOption() = default;
+ CommandOption(Record *Option) {
+ if (Option->getValue("Groups")) {
+ // The user specified a list of groups.
+ auto Groups = Option->getValueAsListOfInts("Groups");
+ for (int Group : Groups)
+ GroupsArg.push_back("LLDB_OPT_SET_" + std::to_string(Group));
+ } else if (Option->getValue("GroupStart")) {
+ // The user specified a range of groups (with potentially only one
+ // element).
+ int GroupStart = Option->getValueAsInt("GroupStart");
+ int GroupEnd = Option->getValueAsInt("GroupEnd");
+ for (int i = GroupStart; i <= GroupEnd; ++i)
+ GroupsArg.push_back("LLDB_OPT_SET_" + std::to_string(i));
+ }
+
+ // Check if this option is required.
+ Required = Option->getValue("Required");
+
+ // Add the full and short name for this option.
+ FullName = Option->getValueAsString("FullName");
+ ShortName = Option->getValueAsString("ShortName");
+
+ if (auto A = Option->getValue("ArgType"))
+ ArgType = A->getValue()->getAsUnquotedString();
+ OptionalArg = Option->getValue("OptionalArg") != nullptr;
+
+ if (Option->getValue("Validator"))
+ Validator = Option->getValueAsString("Validator");
+
+ if (Option->getValue("ArgEnum"))
+ ArgEnum = Option->getValueAsString("ArgEnum");
+
+ if (Option->getValue("Completions"))
+ Completions = Option->getValueAsListOfStrings("Completions");
+
+ if (auto D = Option->getValue("Description"))
+ Description = D->getValue()->getAsUnquotedString();
}
+};
+} // namespace
+
+static void emitOption(const CommandOption &O, raw_ostream &OS) {
+ OS << " {";
// If we have any groups, we merge them. Otherwise we move this option into
// the all group.
- if (GroupsArg.empty())
+ if (O.GroupsArg.empty())
OS << "LLDB_OPT_SET_ALL";
else
- OS << llvm::join(GroupsArg.begin(), GroupsArg.end(), " | ");
+ OS << llvm::join(O.GroupsArg.begin(), O.GroupsArg.end(), " | ");
OS << ", ";
// Check if this option is required.
- OS << (Option->getValue("Required") ? "true" : "false");
+ OS << (O.Required ? "true" : "false");
// Add the full and short name for this option.
- OS << ", \"" << Option->getValueAsString("FullName") << "\", ";
- OS << '\'' << Option->getValueAsString("ShortName") << "'";
-
- auto ArgType = Option->getValue("ArgType");
- bool IsOptionalArg = Option->getValue("OptionalArg") != nullptr;
+ OS << ", \"" << O.FullName << "\", ";
+ OS << '\'' << O.ShortName << "'";
// Decide if we have either an option, required or no argument for this
// option.
OS << ", OptionParser::";
- if (ArgType) {
- if (IsOptionalArg)
+ if (!O.ArgType.empty()) {
+ if (O.OptionalArg)
OS << "eOptionalArgument";
else
OS << "eRequiredArgument";
} else
OS << "eNoArgument";
- OS << ", nullptr, ";
+ OS << ", ";
- if (Option->getValue("ArgEnum"))
- OS << Option->getValueAsString("ArgEnum");
+ if (!O.Validator.empty())
+ OS << O.Validator;
+ else
+ OS << "nullptr";
+ OS << ", ";
+
+ if (!O.ArgEnum.empty())
+ OS << O.ArgEnum;
else
OS << "{}";
OS << ", ";
// Read the tab completions we offer for this option (if there are any)
- if (Option->getValue("Completions")) {
- auto Completions = Option->getValueAsListOfStrings("Completions");
+ if (!O.Completions.empty()) {
std::vector<std::string> CompletionArgs;
- for (llvm::StringRef Completion : Completions)
+ for (llvm::StringRef Completion : O.Completions)
CompletionArgs.push_back("CommandCompletions::e" + Completion.str() +
"Completion");
OS << llvm::join(CompletionArgs.begin(), CompletionArgs.end(), " | ");
- } else {
+ } else
OS << "CommandCompletions::eNoCompletion";
- }
// Add the argument type.
OS << ", eArgType";
- if (ArgType) {
- OS << ArgType->getValue()->getAsUnquotedString();
+ if (!O.ArgType.empty()) {
+ OS << O.ArgType;
} else
OS << "None";
OS << ", ";
// Add the description if there is any.
- if (auto D = Option->getValue("Description"))
- OS << D->getValue()->getAsString();
- else
+ if (!O.Description.empty()) {
+ OS << "\"";
+ llvm::printEscapedString(O.Description, OS);
+ OS << "\"";
+ } else
OS << "\"\"";
OS << "},\n";
}
/// Emits all option initializers to the raw_ostream.
-static void emitOptions(std::string Command, std::vector<Record *> Option,
+static void emitOptions(std::string Command, std::vector<Record *> Records,
raw_ostream &OS) {
+ std::vector<CommandOption> Options;
+ for (Record *R : Records)
+ Options.emplace_back(R);
+
+ std::string ID = Command;
+ std::replace(ID.begin(), ID.end(), ' ', '_');
// Generate the macro that the user needs to define before including the
// *.inc file.
- std::string NeededMacro = "LLDB_OPTIONS_" + Command;
- std::replace(NeededMacro.begin(), NeededMacro.end(), ' ', '_');
+ std::string NeededMacro = "LLDB_OPTIONS_" + ID;
// All options are in one file, so we need put them behind macros and ask the
// user to define the macro for the options that are needed.
OS << "// Options for " << Command << "\n";
OS << "#ifdef " << NeededMacro << "\n";
- for (Record *R : Option)
- emitOption(R, OS);
+ OS << "constexpr static OptionDefinition g_" + ID + "_options[] = {\n";
+ for (CommandOption &CO : Options)
+ emitOption(CO, OS);
// We undefine the macro for the user like Clang's include files are doing it.
+ OS << "};\n";
OS << "#undef " << NeededMacro << "\n";
OS << "#endif // " << Command << " command\n\n";
}
void lldb_private::EmitOptionDefs(RecordKeeper &Records, raw_ostream &OS) {
-
- std::vector<Record *> Options = Records.getAllDerivedDefinitions("Option");
-
emitSourceFileHeader("Options for LLDB command line commands.", OS);
- RecordsByCommand ByCommand = getCommandList(Options);
-
- for (auto &CommandRecordPair : ByCommand) {
+ std::vector<Record *> Options = Records.getAllDerivedDefinitions("Option");
+ for (auto &CommandRecordPair : getRecordsByName(Options, "Command")) {
emitOptions(CommandRecordPair.first, CommandRecordPair.second, OS);
}
}