forked from OSchip/llvm-project
Add FrontendActions, which provides a FrontendAction interface to all the existing AST consumer based clang-cc actions.
llvm-svn: 88773
This commit is contained in:
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//===-- FrontendActions.h - Useful Frontend Actions -------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_FRONTEND_FRONTENDACTIONS_H
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#define LLVM_CLANG_FRONTEND_FRONTENDACTIONS_H
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#include "clang/Frontend/FrontendAction.h"
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namespace clang {
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class FixItRewriter;
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class AnalysisAction : public ASTFrontendAction {
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protected:
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virtual ASTConsumer *CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile);
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};
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class ASTPrintAction : public ASTFrontendAction {
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protected:
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virtual ASTConsumer *CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile);
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};
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class ASTPrintXMLAction : public ASTFrontendAction {
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protected:
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virtual ASTConsumer *CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile);
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};
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class ASTDumpAction : public ASTFrontendAction {
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protected:
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virtual ASTConsumer *CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile);
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};
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class ASTViewAction : public ASTFrontendAction {
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protected:
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virtual ASTConsumer *CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile);
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};
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class DeclContextPrintAction : public ASTFrontendAction {
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protected:
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virtual ASTConsumer *CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile);
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};
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class DumpRecordAction : public ASTFrontendAction {
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protected:
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virtual ASTConsumer *CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile);
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};
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class FixItAction : public ASTFrontendAction {
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private:
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llvm::OwningPtr<FixItRewriter> Rewriter;
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protected:
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virtual ASTConsumer *CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile);
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virtual bool BeginSourceFileAction(CompilerInstance &CI,
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llvm::StringRef Filename);
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virtual void EndSourceFileAction();
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virtual bool hasASTSupport() const { return false; }
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public:
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FixItAction();
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~FixItAction();
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};
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class GeneratePCHAction : public ASTFrontendAction {
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protected:
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virtual ASTConsumer *CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile);
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virtual bool usesCompleteTranslationUnit() { return false; }
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virtual bool hasASTSupport() const { return false; }
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};
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class HTMLPrintAction : public ASTFrontendAction {
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protected:
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virtual ASTConsumer *CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile);
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};
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class InheritanceViewAction : public ASTFrontendAction {
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protected:
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virtual ASTConsumer *CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile);
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};
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class RewriteObjCAction : public ASTFrontendAction {
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protected:
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virtual ASTConsumer *CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile);
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};
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class RewriteBlocksAction : public ASTFrontendAction {
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protected:
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virtual ASTConsumer *CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile);
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};
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class SyntaxOnlyAction : public ASTFrontendAction {
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protected:
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virtual ASTConsumer *CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile);
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public:
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virtual bool hasCodeCompletionSupport() const { return true; }
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};
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// Code Gen Actions
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class CodeGenAction : public ASTFrontendAction {
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private:
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unsigned Act;
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protected:
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CodeGenAction(unsigned _Act);
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virtual ASTConsumer *CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile);
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};
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class EmitAssemblyAction : public CodeGenAction {
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public:
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EmitAssemblyAction();
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};
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class EmitBCAction : public CodeGenAction {
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public:
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EmitBCAction();
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};
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class EmitLLVMAction : public CodeGenAction {
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public:
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EmitLLVMAction();
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};
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class EmitLLVMOnlyAction : public CodeGenAction {
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public:
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EmitLLVMOnlyAction();
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};
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} // end namespace clang
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#endif
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@ -13,6 +13,7 @@ add_clang_library(clangFrontend
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DocumentXML.cpp
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DocumentXML.cpp
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FixItRewriter.cpp
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FixItRewriter.cpp
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FrontendAction.cpp
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FrontendAction.cpp
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FrontendActions.cpp
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FrontendOptions.cpp
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FrontendOptions.cpp
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GeneratePCH.cpp
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GeneratePCH.cpp
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HTMLDiagnostics.cpp
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HTMLDiagnostics.cpp
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@ -0,0 +1,178 @@
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//===--- FrontendActions.cpp ----------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Frontend/FrontendActions.h"
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#include "clang/AST/ASTConsumer.h"
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#include "clang/Basic/FileManager.h"
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#include "clang/Frontend/AnalysisConsumer.h"
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#include "clang/Frontend/ASTConsumers.h"
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#include "clang/Frontend/ASTUnit.h"
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#include "clang/Frontend/CompilerInstance.h"
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#include "clang/Frontend/FixItRewriter.h"
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#include "clang/Frontend/FrontendDiagnostic.h"
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#include "clang/Frontend/Utils.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace clang;
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ASTConsumer *AnalysisAction::CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile) {
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return CreateAnalysisConsumer(CI.getPreprocessor(),
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CI.getFrontendOpts().OutputFile,
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CI.getAnalyzerOpts());
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}
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ASTConsumer *ASTPrintAction::CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile) {
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return CreateASTPrinter(CI.createDefaultOutputFile(false, InFile));
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}
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ASTConsumer *ASTPrintXMLAction::CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile) {
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return CreateASTPrinterXML(CI.createDefaultOutputFile(false, InFile,
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"xml"));
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}
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ASTConsumer *ASTDumpAction::CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile) {
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return CreateASTDumper();
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}
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ASTConsumer *ASTViewAction::CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile) {
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return CreateASTViewer();
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}
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ASTConsumer *DeclContextPrintAction::CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile) {
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return CreateDeclContextPrinter();
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}
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ASTConsumer *DumpRecordAction::CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile) {
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return CreateRecordLayoutDumper();
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}
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ASTConsumer *GeneratePCHAction::CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile) {
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const std::string &Sysroot = CI.getHeaderSearchOpts().Sysroot;
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if (CI.getFrontendOpts().RelocatablePCH &&
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Sysroot.empty()) {
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CI.getDiagnostics().Report(diag::err_relocatable_without_without_isysroot);
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return 0;
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}
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llvm::raw_ostream *OS = CI.createDefaultOutputFile(true, InFile);
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if (CI.getFrontendOpts().RelocatablePCH)
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return CreatePCHGenerator(CI.getPreprocessor(), OS, Sysroot.c_str());
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return CreatePCHGenerator(CI.getPreprocessor(), OS);
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}
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ASTConsumer *HTMLPrintAction::CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile) {
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return CreateHTMLPrinter(CI.createDefaultOutputFile(false, InFile),
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CI.getPreprocessor());
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}
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ASTConsumer *InheritanceViewAction::CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile) {
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return CreateInheritanceViewer(CI.getFrontendOpts().ViewClassInheritance);
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}
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FixItAction::FixItAction() {}
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FixItAction::~FixItAction() {}
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ASTConsumer *FixItAction::CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile) {
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return new ASTConsumer();
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}
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/// AddFixItLocations - Add any individual user specified "fix-it" locations,
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/// and return true on success.
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static bool AddFixItLocations(CompilerInstance &CI,
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FixItRewriter &FixItRewrite) {
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const std::vector<ParsedSourceLocation> &Locs =
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CI.getFrontendOpts().FixItLocations;
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for (unsigned i = 0, e = Locs.size(); i != e; ++i) {
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const FileEntry *File = CI.getFileManager().getFile(Locs[i].FileName);
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if (!File) {
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CI.getDiagnostics().Report(diag::err_fe_unable_to_find_fixit_file)
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<< Locs[i].FileName;
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return false;
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}
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RequestedSourceLocation Requested;
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Requested.File = File;
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Requested.Line = Locs[i].Line;
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Requested.Column = Locs[i].Column;
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FixItRewrite.addFixItLocation(Requested);
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}
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return true;
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}
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bool FixItAction::BeginSourceFileAction(CompilerInstance &CI,
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llvm::StringRef Filename) {
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Rewriter.reset(new FixItRewriter(CI.getDiagnostics(), CI.getSourceManager(),
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CI.getLangOpts()));
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if (!AddFixItLocations(CI, *Rewriter))
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return false;
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return true;
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}
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void FixItAction::EndSourceFileAction() {
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const FrontendOptions &FEOpts = getCompilerInstance().getFrontendOpts();
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Rewriter->WriteFixedFile(getCurrentFile(), FEOpts.OutputFile);
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}
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ASTConsumer *RewriteObjCAction::CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile) {
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return CreateObjCRewriter(InFile,
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CI.createDefaultOutputFile(true, InFile, "cpp"),
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CI.getDiagnostics(), CI.getLangOpts(),
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CI.getDiagnosticOpts().NoRewriteMacros);
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}
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ASTConsumer *RewriteBlocksAction::CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile) {
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return CreateBlockRewriter(InFile, CI.getDiagnostics(), CI.getLangOpts());
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}
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ASTConsumer *SyntaxOnlyAction::CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile) {
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return new ASTConsumer();
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}
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CodeGenAction::CodeGenAction(unsigned _Act) : Act(_Act) {}
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ASTConsumer *CodeGenAction::CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile) {
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BackendAction BA = static_cast<BackendAction>(Act);
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llvm::OwningPtr<llvm::raw_ostream> OS;
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if (BA == Backend_EmitAssembly)
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OS.reset(CI.createDefaultOutputFile(false, InFile, "s"));
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else if (BA == Backend_EmitLL)
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OS.reset(CI.createDefaultOutputFile(false, InFile, "ll"));
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else if (BA == Backend_EmitBC)
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OS.reset(CI.createDefaultOutputFile(true, InFile, "bc"));
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return CreateBackendConsumer(BA, CI.getDiagnostics(), CI.getLangOpts(),
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CI.getCodeGenOpts(), InFile, OS.take(),
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CI.getLLVMContext());
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}
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EmitAssemblyAction::EmitAssemblyAction()
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: CodeGenAction(Backend_EmitAssembly) {}
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EmitBCAction::EmitBCAction() : CodeGenAction(Backend_EmitBC) {}
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EmitLLVMAction::EmitLLVMAction() : CodeGenAction(Backend_EmitLL) {}
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EmitLLVMOnlyAction::EmitLLVMOnlyAction() : CodeGenAction(Backend_EmitNothing) {}
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