- //===--- StandaloneExecution.h - Standalone execution. -*- 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 standalone execution of clang tools. 
- // 
- //===----------------------------------------------------------------------===// 
-   
- #ifndef LLVM_CLANG_TOOLING_STANDALONEEXECUTION_H 
- #define LLVM_CLANG_TOOLING_STANDALONEEXECUTION_H 
-   
- #include "clang/Tooling/ArgumentsAdjusters.h" 
- #include "clang/Tooling/Execution.h" 
- #include <optional> 
-   
- namespace clang { 
- namespace tooling { 
-   
- /// A standalone executor that runs FrontendActions on a given set of 
- /// TUs in sequence. 
- /// 
- /// By default, this executor uses the following arguments adjusters (as defined 
- /// in `clang/Tooling/ArgumentsAdjusters.h`): 
- ///   - `getClangStripOutputAdjuster()` 
- ///   - `getClangSyntaxOnlyAdjuster()` 
- ///   - `getClangStripDependencyFileAdjuster()` 
- class StandaloneToolExecutor : public ToolExecutor { 
- public: 
-   static const char *ExecutorName; 
-   
-   /// Init with \p CompilationDatabase and the paths of all files to be 
-   /// proccessed. 
-   StandaloneToolExecutor( 
-       const CompilationDatabase &Compilations, 
-       llvm::ArrayRef<std::string> SourcePaths, 
-       IntrusiveRefCntPtr<llvm::vfs::FileSystem> BaseFS = 
-           llvm::vfs::getRealFileSystem(), 
-       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. 
-   StandaloneToolExecutor( 
-       CommonOptionsParser Options, 
-       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; 
-   
-   /// Set a \c DiagnosticConsumer to use during parsing. 
-   void setDiagnosticConsumer(DiagnosticConsumer *DiagConsumer) { 
-     Tool.setDiagnosticConsumer(DiagConsumer); 
-   } 
-   
-   ExecutionContext *getExecutionContext() override { return &Context; }; 
-   
-   ToolResults *getToolResults() override { return &Results; } 
-   
-   llvm::ArrayRef<std::string> getSourcePaths() const { 
-     return Tool.getSourcePaths(); 
-   } 
-   
-   void mapVirtualFile(StringRef FilePath, StringRef Content) override { 
-     Tool.mapVirtualFile(FilePath, Content); 
-   } 
-   
-   /// Returns the file manager used in the tool. 
-   /// 
-   /// The file manager is shared between all translation units. 
-   FileManager &getFiles() { return Tool.getFiles(); } 
-   
- private: 
-   // Used to store the parser when the executor is initialized with parser. 
-   std::optional<CommonOptionsParser> OptionsParser; 
-   // FIXME: The standalone executor is currently just a wrapper of `ClangTool`. 
-   // Merge `ClangTool` implementation into the this. 
-   ClangTool Tool; 
-   ExecutionContext Context; 
-   InMemoryToolResults Results; 
-   ArgumentsAdjuster ArgsAdjuster; 
- }; 
-   
- } // end namespace tooling 
- } // end namespace clang 
-   
- #endif // LLVM_CLANG_TOOLING_STANDALONEEXECUTION_H 
-