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Showing content from https://clang.llvm.org/doxygen/classclang_1_1FrontendAction.html below:

clang: clang::FrontendAction Class Reference

Abstract base class for actions which can be performed by the frontend. More...

#include "clang/Frontend/FrontendAction.h"

Abstract base class for actions which can be performed by the frontend.

Definition at line 37 of file FrontendAction.h.

Prepare the action for processing the input file Input.

This is run after the options and frontend have been initialized, but prior to executing any per-file processing.

Parameters

CI - The compiler instance this action is being run from. The action may store and use this object up until the matching EndSourceFile action. Input - The input filename and kind. Some input kinds are handled specially, for example AST inputs, since the AST file itself contains several objects which would normally be owned by the CompilerInstance. When processing AST input files, these objects should generally not be initialized in the CompilerInstance – they will automatically be shared with the AST file in between BeginSourceFile() and EndSourceFile().

Returns

True on success; on failure the compilation of this file should be aborted and neither Execute() nor EndSourceFile() should be called.

Definition at line 585 of file FrontendAction.cpp.

References clang::PreprocessorOptions::AllowPCHWithCompilerErrors, BeginInvocation(), clang::DiagnosticConsumer::BeginSourceFile(), BeginSourceFileAction(), clang::SrcMgr::C_System, clang::SrcMgr::C_User, clang::PreprocessorOptions::ChainedIncludes, clang::CompilerInstance::clearOutputFiles(), clang::LangOptionsBase::CMK_ModuleMap, clang::LangOptionsBase::CMK_None, clang::CompilerInstance::createASTContext(), clang::CompilerInstance::createASTReader(), clang::createChainedIncludesSource(), clang::SourceManager::createFileID(), clang::CompilerInstance::createFileManager(), clang::CompilerInstance::createPCHExternalASTSource(), clang::CompilerInstance::createPreprocessor(), clang::CompilerInstance::createSourceManager(), clang::LangOptions::CurrentModule, clang::PreprocessorOptions::DeserializedPCHDeclsToErrorOn, clang::PreprocessorOptions::DisablePCHOrModuleValidation, clang::PreprocessorOptions::DumpDeserializedPCHDecls, clang::DiagnosticConsumer::EndSourceFile(), clang::File, clang::FileName, Filename, clang::ModuleMap::finishModuleDeclarationScope(), clang::Found, clang::CompilerInstance::getASTContext(), clang::CompilerInstance::getASTReader(), clang::Preprocessor::getBuiltinInfo(), getCurrentFileOrBufferName(), clang::Preprocessor::getCurrentModuleImplementation(), clang::CompilerInstance::getDiagnosticClient(), clang::CompilerInstance::getDiagnosticOpts(), clang::CompilerInstance::getDiagnostics(), clang::ASTContext::getExternalSource(), clang::FrontendInputFile::getFile(), clang::CompilerInstance::getFileManager(), clang::CompilerInstance::getFileSystemOpts(), clang::InputKind::getFormat(), clang::CompilerInstance::getFrontendOpts(), clang::Preprocessor::getHeaderSearchInfo(), clang::CompilerInstance::getHeaderSearchOpts(), clang::CompilerInstance::getHeaderSearchOptsPtr(), clang::InputKind::getHeaderUnitKind(), clang::Preprocessor::getIdentifierTable(), getInputBufferForModule(), clang::FrontendInputFile::getKind(), clang::CompilerInstance::getLangOpts(), clang::Preprocessor::getLangOpts(), clang::CompilerInstance::getLangOptsPtr(), clang::InputKind::getLanguage(), clang::CompilerInstance::getModuleCache(), clang::ASTReader::getModuleManager(), clang::HeaderSearch::getModuleMap(), clang::FileEntryRef::getName(), clang::FileManager::getOptionalDirectoryRef(), clang::FileManager::getOptionalFileRef(), clang::CompilerInstance::getPCHContainerReader(), clang::CompilerInstance::getPreprocessor(), clang::CompilerInstance::getPreprocessorOpts(), clang::serialization::ModuleManager::getPrimaryModule(), clang::CompilerInstance::getSourceManager(), clang::CompilerInstance::getSpecificModuleCachePath(), clang::CompilerInstance::getTargetOpts(), getTranslationUnitKind(), clang::FileManager::getVirtualFileSystem(), clang::CompilerInstance::hasASTConsumer(), clang::CompilerInstance::hasASTContext(), hasASTFileSupport(), clang::CompilerInstance::hasFileManager(), hasIRSupport(), hasPCHSupport(), clang::CompilerInstance::hasPreprocessor(), clang::CompilerInstance::hasSourceManager(), clang::InputKind::HeaderUnit_Abs, clang::InputKind::HeaderUnit_System, clang::PreprocessorOptions::ImplicitPCHInclude, clang::Builtin::Context::initializeBuiltins(), clang::SourceManager::initializeForReplay(), clang::CompilerInstance::InitializeSourceManager(), clang::ASTReader::isAcceptableASTFile(), clang::FrontendInputFile::isEmpty(), clang::InputKind::isHeaderUnit(), isModelParsingAction(), clang::InputKind::isPreprocessed(), clang::FrontendInputFile::isPreprocessed(), clang::FrontendInputFile::isSystem(), clang::LLVM_IR, clang::ASTUnit::LoadEverything, clang::ASTUnit::LoadFromASTFile(), clang::CompilerInstance::loadModuleFile(), clang::HeaderSearch::loadModuleMapFile(), loadModuleMapForModuleBuild(), clang::ASTUnit::LoadPreprocessorOnly, clang::HeaderSearch::LookupFile(), clang::FrontendOptions::ModuleFiles, clang::InputKind::ModuleMap, clang::FrontendOptions::ModuleMapFiles, clang::LangOptions::ModuleName, clang::FrontendOptions::ModulesEmbedAllFiles, clang::FrontendOptions::ModulesEmbedFiles, clang::FrontendOptions::OverrideRecordLayoutsFile, clang::InputKind::Precompiled, prepareToBuildModule(), clang::Module::PresumedModuleMapFile, ReadOriginalFileName(), clang::DiagnosticsEngine::Report(), clang::DiagnosticOptions::SARIF, clang::SourceManager::setAllFilesAreTransient(), clang::CompilerInstance::setASTConsumer(), clang::CompilerInstance::setASTContext(), clang::ASTContext::setASTMutationListener(), clang::CompilerInstance::setASTReader(), setCompilerInstance(), setCurrentInput(), clang::ASTContext::setExternalSource(), clang::SourceManager::setFileIsTransient(), clang::CompilerInstance::setFileManager(), clang::CompilerInstance::setPreprocessor(), clang::Preprocessor::setSkipMainFilePreamble(), clang::CompilerInstance::setSourceManager(), clang::serialization::ModuleFile::StandardCXXModule, usesPreprocessorOnly(), clang::ASTReader::visitTopLevelModuleMaps(), and clang::InputKind::withHeaderUnit().

Referenced by clang::CompilerInstance::ExecuteAction(), and clang::ASTUnit::LoadFromCompilerInvocationAction().

Create the AST consumer object for this action, if supported.

This routine is called as part of BeginSourceFile(), which will fail if the AST consumer cannot be created. This will not be called if the action has indicated that it only uses the preprocessor.

Parameters

Returns

The new AST consumer, or null on failure.

Implemented in clang::PrintPreambleAction, clang::PrintDependencyDirectivesSourceMinimizerAction, clang::CodeGenAction, clang::ExtractAPIAction, clang::WrappingExtractAPIAction, clang::PreprocessorFrontendAction, clang::WrapperFrontendAction, clang::ASTPrintAction, clang::ASTDumpAction, clang::ASTDeclListAction, clang::ASTViewAction, clang::GeneratePCHAction, clang::GenerateModuleAction, clang::GenerateInterfaceStubsAction, clang::GenerateModuleInterfaceAction, clang::SyntaxOnlyAction, clang::DumpModuleInfoAction, clang::VerifyPCHAction, clang::TemplightDumpAction, clang::ASTMergeAction, clang::installapi::InstallAPIAction, clang::HTMLPrintAction, clang::FixItAction, clang::RewriteObjCAction, clang::ento::AnalysisAction, clang::ento::ParseModelFileAction, clang::IncrementalAction, and clang::PluginASTAction.

Perform any per-file post processing, deallocate per-file objects, and run statistics and output file cleanup code.

Reimplemented in clang::WrapperFrontendAction, and clang::IncrementalAction.

Definition at line 1094 of file FrontendAction.cpp.

References clang::CompilerInstance::clearOutputFiles(), clang::LangOptionsBase::CMK_None, clang::FrontendOptions::DisableFree, clang::DiagnosticConsumer::EndSourceFile(), clang::Preprocessor::EndSourceFile(), EndSourceFileAction(), getCompilerInstance(), getCurrentFileOrBufferName(), clang::CompilerInstance::getDiagnosticClient(), clang::CompilerInstance::getFrontendOpts(), clang::Preprocessor::getHeaderSearchInfo(), clang::Preprocessor::getIdentifierTable(), clang::CompilerInstance::getLangOpts(), clang::CompilerInstance::getPreprocessor(), clang::CompilerInstance::getSourceManager(), clang::CompilerInstance::hasPreprocessor(), isCurrentFileAST(), clang::HeaderSearch::PrintStats(), clang::Preprocessor::PrintStats(), clang::IdentifierTable::PrintStats(), clang::SourceManager::PrintStats(), clang::CompilerInstance::resetAndLeakASTContext(), clang::CompilerInstance::resetAndLeakFileManager(), clang::CompilerInstance::resetAndLeakPreprocessor(), clang::CompilerInstance::resetAndLeakSema(), clang::CompilerInstance::resetAndLeakSourceManager(), clang::CompilerInstance::setASTConsumer(), clang::CompilerInstance::setASTContext(), setCompilerInstance(), setCurrentInput(), clang::CompilerInstance::setFileManager(), clang::CompilerInstance::setPreprocessor(), clang::CompilerInstance::setSema(), clang::CompilerInstance::setSourceManager(), shouldEraseOutputFiles(), clang::FrontendOptions::ShowStats, and clang::CompilerInstance::takeASTConsumer().

Referenced by clang::CompilerInstance::ExecuteAction(), and clang::ASTUnit::LoadFromCompilerInvocationAction().

Set the source manager's main input file, and run the action.

Definition at line 1070 of file FrontendAction.cpp.

References ExecuteAction(), getCompilerInstance(), clang::CompilerInstance::getFileManager(), clang::Preprocessor::getHeaderSearchInfo(), clang::HeaderSearch::getModuleCachePath(), clang::CompilerInstance::getPCHContainerReader(), clang::CompilerInstance::getPreprocessor(), clang::CompilerInstance::hasFileManager(), clang::CompilerInstance::hasPreprocessor(), clang::CompilerInstance::shouldBuildGlobalModuleIndex(), and clang::GlobalModuleIndex::writeIndex().

Referenced by clang::CompilerInstance::ExecuteAction(), and clang::ASTUnit::LoadFromCompilerInvocationAction().

Callback to run the program action, using the initialized compiler instance.

This is guaranteed to only be called between BeginSourceFileAction() and EndSourceFileAction().

Implemented in clang::CodeGenAction, clang::ASTFrontendAction, clang::WrapperFrontendAction, clang::DumpModuleInfoAction, clang::VerifyPCHAction, clang::TemplightDumpAction, clang::ASTMergeAction, clang::PrintPreambleAction, clang::PrintDependencyDirectivesSourceMinimizerAction, clang::DumpRawTokensAction, clang::DumpTokensAction, clang::PreprocessOnlyAction, clang::PrintPreprocessedAction, clang::RewriteMacrosAction, clang::RewriteTestAction, clang::RewriteIncludesAction, clang::IncrementalSyntaxOnlyAction, and clang::IncrementalAction.

Referenced by Execute(), and clang::IncrementalSyntaxOnlyAction::ExecuteAction().

Definition at line 120 of file FrontendAction.h.

Referenced by clang::FixItAction::BeginSourceFileAction(), EndSourceFile(), clang::CodeGenAction::EndSourceFileAction(), Execute(), clang::CodeGenAction::ExecuteAction(), clang::ASTFrontendAction::ExecuteAction(), clang::DumpModuleInfoAction::ExecuteAction(), clang::VerifyPCHAction::ExecuteAction(), clang::TemplightDumpAction::ExecuteAction(), clang::ASTMergeAction::ExecuteAction(), clang::PrintPreambleAction::ExecuteAction(), clang::PrintDependencyDirectivesSourceMinimizerAction::ExecuteAction(), clang::DumpRawTokensAction::ExecuteAction(), clang::DumpTokensAction::ExecuteAction(), clang::PreprocessOnlyAction::ExecuteAction(), clang::PrintPreprocessedAction::ExecuteAction(), clang::RewriteMacrosAction::ExecuteAction(), clang::RewriteTestAction::ExecuteAction(), clang::RewriteIncludesAction::ExecuteAction(), clang::IncrementalSyntaxOnlyAction::ExecuteAction(), clang::IncrementalAction::ExecuteAction(), getCurrentModule(), shouldEraseOutputFiles(), clang::GeneratePCHAction::shouldEraseOutputFiles(), and clang::GenerateModuleAction::shouldEraseOutputFiles().

The documentation for this class was generated from the following files:

• include/clang/Frontend/FrontendAction.h
• lib/Frontend/FrontendAction.cpp

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