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//===--- FrontendActions.cpp ----------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "clang/Rewrite/FrontendActions.h"
#include "clang/AST/ASTConsumer.h"
#include "clang/Lex/Preprocessor.h"
#include "clang/Parse/Parser.h"
#include "clang/Basic/FileManager.h"
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Frontend/FrontendDiagnostic.h"
#include "clang/Frontend/Utils.h"
#include "clang/Rewrite/ASTConsumers.h"
#include "clang/Rewrite/FixItRewriter.h"
#include "clang/Rewrite/Rewriters.h"
#include "llvm/ADT/OwningPtr.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/System/Path.h"
using namespace clang;
//===----------------------------------------------------------------------===//
// AST Consumer Actions
//===----------------------------------------------------------------------===//
ASTConsumer *HTMLPrintAction::CreateASTConsumer(CompilerInstance &CI,
llvm::StringRef InFile) {
if (llvm::raw_ostream *OS = CI.createDefaultOutputFile(false, InFile))
return CreateHTMLPrinter(OS, CI.getPreprocessor());
return 0;
}
FixItAction::FixItAction() {}
FixItAction::~FixItAction() {}
ASTConsumer *FixItAction::CreateASTConsumer(CompilerInstance &CI,
llvm::StringRef InFile) {
return new ASTConsumer();
}
class FixItRewriteInPlace : public FixItOptions {
public:
std::string RewriteFilename(const std::string &Filename) { return Filename; }
};
class FixItActionSuffixInserter : public FixItOptions {
std::string NewSuffix;
public:
FixItActionSuffixInserter(std::string NewSuffix, bool FixWhatYouCan)
: NewSuffix(NewSuffix) {
this->FixWhatYouCan = FixWhatYouCan;
}
std::string RewriteFilename(const std::string &Filename) {
llvm::sys::Path Path(Filename);
std::string Suffix = Path.getSuffix();
Path.eraseSuffix();
Path.appendSuffix(NewSuffix + "." + Suffix);
return Path.c_str();
}
};
bool FixItAction::BeginSourceFileAction(CompilerInstance &CI,
llvm::StringRef Filename) {
const FrontendOptions &FEOpts = getCompilerInstance().getFrontendOpts();
if (!FEOpts.FixItSuffix.empty()) {
FixItOpts.reset(new FixItActionSuffixInserter(FEOpts.FixItSuffix,
FEOpts.FixWhatYouCan));
} else {
FixItOpts.reset(new FixItRewriteInPlace);
FixItOpts->FixWhatYouCan = FEOpts.FixWhatYouCan;
}
Rewriter.reset(new FixItRewriter(CI.getDiagnostics(), CI.getSourceManager(),
CI.getLangOpts(), FixItOpts.get()));
return true;
}
void FixItAction::EndSourceFileAction() {
// Otherwise rewrite all files.
Rewriter->WriteFixedFiles();
}
//===----------------------------------------------------------------------===//
// Preprocessor Actions
//===----------------------------------------------------------------------===//
ASTConsumer *RewriteObjCAction::CreateASTConsumer(CompilerInstance &CI,
llvm::StringRef InFile) {
if (llvm::raw_ostream *OS = CI.createDefaultOutputFile(false, InFile, "cpp"))
return CreateObjCRewriter(InFile, OS,
CI.getDiagnostics(), CI.getLangOpts(),
CI.getDiagnosticOpts().NoRewriteMacros);
return 0;
}
void RewriteMacrosAction::ExecuteAction() {
CompilerInstance &CI = getCompilerInstance();
llvm::raw_ostream *OS = CI.createDefaultOutputFile(true, getCurrentFile());
if (!OS) return;
RewriteMacrosInInput(CI.getPreprocessor(), OS);
}
void RewriteTestAction::ExecuteAction() {
CompilerInstance &CI = getCompilerInstance();
llvm::raw_ostream *OS = CI.createDefaultOutputFile(false, getCurrentFile());
if (!OS) return;
DoRewriteTest(CI.getPreprocessor(), OS);
}
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