FrontendActions.h

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//===-- FrontendActions.h - Useful Frontend Actions -------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_CLANG_REWRITE_FRONTEND_FRONTENDACTIONS_H
#define LLVM_CLANG_REWRITE_FRONTEND_FRONTENDACTIONS_H
 
#include "clang/Frontend/FrontendAction.h"
#include "llvm/Support/raw_ostream.h"
 
namespace clang {
class FixItRewriter;
class FixItOptions;
 
//===----------------------------------------------------------------------===//
// AST Consumer Actions
//===----------------------------------------------------------------------===//
 
class HTMLPrintAction : public ASTFrontendAction {
protected:
  std::unique_ptr<ASTConsumer> CreateASTConsumer(CompilerInstance &CI,
                                                 StringRef InFile) override;
};
 
class FixItAction : public ASTFrontendAction {
protected:
  std::unique_ptr<FixItRewriter> Rewriter;
  std::unique_ptr<FixItOptions> FixItOpts;
 
  std::unique_ptr<ASTConsumer> CreateASTConsumer(CompilerInstance &CI,
                                                 StringRef InFile) override;
 
  bool BeginSourceFileAction(CompilerInstance &CI) override;
 
  void EndSourceFileAction() override;
 
  bool hasASTFileSupport() const override { return false; }
 
public:
  FixItAction();
  ~FixItAction() override;
};
 
/// Emits changes to temporary files and uses them for the original
/// frontend action.
class FixItRecompile : public WrapperFrontendAction {
public:
  FixItRecompile(std::unique_ptr<FrontendAction> WrappedAction)
    : WrapperFrontendAction(std::move(WrappedAction)) {}
 
protected:
  bool BeginInvocation(CompilerInstance &CI) override;
};
 
class RewriteObjCAction : public ASTFrontendAction {
protected:
  std::unique_ptr<ASTConsumer> CreateASTConsumer(CompilerInstance &CI,
                                                 StringRef InFile) override;
};
 
class RewriteMacrosAction : public PreprocessorFrontendAction {
protected:
  void ExecuteAction() override;
};
 
class RewriteTestAction : public PreprocessorFrontendAction {
protected:
  void ExecuteAction() override;
};
 
class RewriteIncludesAction : public PreprocessorFrontendAction {
  std::shared_ptr<raw_ostream> OutputStream;
  class RewriteImportsListener;
protected:
  bool BeginSourceFileAction(CompilerInstance &CI) override;
  void ExecuteAction() override;
};
 
}  // end namespace clang
 
#endif