117 lines
4.0 KiB
C++
117 lines
4.0 KiB
C++
//===--- 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/Rewrite/FrontendActions.h"
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#include "clang/AST/ASTConsumer.h"
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#include "clang/Lex/Preprocessor.h"
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#include "clang/Parse/Parser.h"
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#include "clang/Basic/FileManager.h"
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#include "clang/Frontend/CompilerInstance.h"
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#include "clang/Frontend/FrontendDiagnostic.h"
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#include "clang/Frontend/Utils.h"
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#include "clang/Rewrite/ASTConsumers.h"
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#include "clang/Rewrite/FixItRewriter.h"
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#include "clang/Rewrite/Rewriters.h"
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#include "llvm/ADT/OwningPtr.h"
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/Support/Path.h"
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using namespace clang;
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//===----------------------------------------------------------------------===//
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// AST Consumer Actions
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//===----------------------------------------------------------------------===//
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ASTConsumer *HTMLPrintAction::CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile) {
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if (llvm::raw_ostream *OS = CI.createDefaultOutputFile(false, InFile))
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return CreateHTMLPrinter(OS, CI.getPreprocessor());
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return 0;
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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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namespace {
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class FixItRewriteInPlace : public FixItOptions {
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public:
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std::string RewriteFilename(const std::string &Filename) { return Filename; }
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};
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class FixItActionSuffixInserter : public FixItOptions {
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std::string NewSuffix;
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public:
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FixItActionSuffixInserter(std::string NewSuffix, bool FixWhatYouCan)
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: NewSuffix(NewSuffix) {
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this->FixWhatYouCan = FixWhatYouCan;
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}
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std::string RewriteFilename(const std::string &Filename) {
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llvm::SmallString<128> Path(Filename);
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llvm::sys::path::replace_extension(Path,
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NewSuffix + llvm::sys::path::extension(Path));
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return Path.str();
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}
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};
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} // end anonymous namespace
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bool FixItAction::BeginSourceFileAction(CompilerInstance &CI,
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llvm::StringRef Filename) {
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const FrontendOptions &FEOpts = getCompilerInstance().getFrontendOpts();
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if (!FEOpts.FixItSuffix.empty()) {
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FixItOpts.reset(new FixItActionSuffixInserter(FEOpts.FixItSuffix,
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FEOpts.FixWhatYouCan));
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} else {
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FixItOpts.reset(new FixItRewriteInPlace);
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FixItOpts->FixWhatYouCan = FEOpts.FixWhatYouCan;
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}
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Rewriter.reset(new FixItRewriter(CI.getDiagnostics(), CI.getSourceManager(),
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CI.getLangOpts(), FixItOpts.get()));
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return true;
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}
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void FixItAction::EndSourceFileAction() {
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// Otherwise rewrite all files.
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Rewriter->WriteFixedFiles();
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}
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//===----------------------------------------------------------------------===//
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// Preprocessor Actions
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//===----------------------------------------------------------------------===//
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ASTConsumer *RewriteObjCAction::CreateASTConsumer(CompilerInstance &CI,
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llvm::StringRef InFile) {
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if (llvm::raw_ostream *OS = CI.createDefaultOutputFile(false, InFile, "cpp"))
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return CreateObjCRewriter(InFile, OS,
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CI.getDiagnostics(), CI.getLangOpts(),
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CI.getDiagnosticOpts().NoRewriteMacros);
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return 0;
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}
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void RewriteMacrosAction::ExecuteAction() {
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CompilerInstance &CI = getCompilerInstance();
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llvm::raw_ostream *OS = CI.createDefaultOutputFile(true, getCurrentFile());
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if (!OS) return;
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RewriteMacrosInInput(CI.getPreprocessor(), OS);
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}
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void RewriteTestAction::ExecuteAction() {
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CompilerInstance &CI = getCompilerInstance();
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llvm::raw_ostream *OS = CI.createDefaultOutputFile(false, getCurrentFile());
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if (!OS) return;
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DoRewriteTest(CI.getPreprocessor(), OS);
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}
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