Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===--- AllTUsExecution.h - Execute actions on all TUs. -*- 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

//

//===----------------------------------------------------------------------===//

//

//  This file defines a tool executor that runs given actions on all TUs in the

//  compilation database. Tool results are deuplicated by the result key.

//

//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_TOOLING_ALLTUSEXECUTION_H

#define LLVM_CLANG_TOOLING_ALLTUSEXECUTION_H

#include "clang/Tooling/ArgumentsAdjusters.h"

#include "clang/Tooling/Execution.h"

#include <optional>

namespace clang {

namespace tooling {

/// Executes given frontend actions on all files/TUs in the compilation

/// database.

class AllTUsToolExecutor : public ToolExecutor {

public:

  static const char *ExecutorName;

  /// Init with \p CompilationDatabase.

  /// This uses \p ThreadCount threads to exececute the actions on all files in

  /// parallel. If \p ThreadCount is 0, this uses `llvm::hardware_concurrency`.

  AllTUsToolExecutor(const CompilationDatabase &Compilations,

                     unsigned ThreadCount,

                     std::shared_ptr<PCHContainerOperations> PCHContainerOps =

                         std::make_shared<PCHContainerOperations>());

  /// Init with \p CommonOptionsParser. This is expected to be used by

  /// `createExecutorFromCommandLineArgs` based on commandline options.

  ///

  /// The executor takes ownership of \p Options.

  AllTUsToolExecutor(CommonOptionsParser Options, unsigned ThreadCount,

                     std::shared_ptr<PCHContainerOperations> PCHContainerOps =

                         std::make_shared<PCHContainerOperations>());

  StringRef getExecutorName() const override { return ExecutorName; }

  using ToolExecutor::execute;

  llvm::Error

  execute(llvm::ArrayRef<

          std::pair<std::unique_ptr<FrontendActionFactory>, ArgumentsAdjuster>>

              Actions) override;

  ExecutionContext *getExecutionContext() override { return &Context; };

  ToolResults *getToolResults() override { return Results.get(); }

  void mapVirtualFile(StringRef FilePath, StringRef Content) override {

    OverlayFiles[FilePath] = std::string(Content);

  }

private:

  // Used to store the parser when the executor is initialized with parser.

  std::optional<CommonOptionsParser> OptionsParser;

  const CompilationDatabase &Compilations;

  std::unique_ptr<ToolResults> Results;

  ExecutionContext Context;

  llvm::StringMap<std::string> OverlayFiles;

  unsigned ThreadCount;

};

extern llvm::cl::opt<unsigned> ExecutorConcurrency;

extern llvm::cl::opt<std::string> Filter;

} // end namespace tooling

} // end namespace clang

#endif // LLVM_CLANG_TOOLING_ALLTUSEXECUTION_H