| //===- lib/Tooling/Execution.cpp - Implements tool execution framework. ---===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "clang/Tooling/Execution.h" |
| #include "clang/Tooling/ToolExecutorPluginRegistry.h" |
| #include "clang/Tooling/Tooling.h" |
| |
| LLVM_INSTANTIATE_REGISTRY(clang::tooling::ToolExecutorPluginRegistry) |
| |
| namespace clang { |
| namespace tooling { |
| |
| llvm::cl::opt<std::string> |
| ExecutorName("executor", llvm::cl::desc("The name of the executor to use."), |
| llvm::cl::init("standalone")); |
| |
| void InMemoryToolResults::addResult(StringRef Key, StringRef Value) { |
| KVResults.push_back({Strings.save(Key), Strings.save(Value)}); |
| } |
| |
| std::vector<std::pair<llvm::StringRef, llvm::StringRef>> |
| InMemoryToolResults::AllKVResults() { |
| return KVResults; |
| } |
| |
| void InMemoryToolResults::forEachResult( |
| llvm::function_ref<void(StringRef Key, StringRef Value)> Callback) { |
| for (const auto &KV : KVResults) { |
| Callback(KV.first, KV.second); |
| } |
| } |
| |
| void ExecutionContext::reportResult(StringRef Key, StringRef Value) { |
| Results->addResult(Key, Value); |
| } |
| |
| llvm::Error |
| ToolExecutor::execute(std::unique_ptr<FrontendActionFactory> Action) { |
| return execute(std::move(Action), ArgumentsAdjuster()); |
| } |
| |
| llvm::Error ToolExecutor::execute(std::unique_ptr<FrontendActionFactory> Action, |
| ArgumentsAdjuster Adjuster) { |
| std::vector< |
| std::pair<std::unique_ptr<FrontendActionFactory>, ArgumentsAdjuster>> |
| Actions; |
| Actions.emplace_back(std::move(Action), std::move(Adjuster)); |
| return execute(Actions); |
| } |
| |
| namespace internal { |
| llvm::Expected<std::unique_ptr<ToolExecutor>> |
| createExecutorFromCommandLineArgsImpl(int &argc, const char **argv, |
| llvm::cl::OptionCategory &Category, |
| const char *Overview) { |
| auto OptionsParser = |
| CommonOptionsParser::create(argc, argv, Category, llvm::cl::ZeroOrMore, |
| /*Overview=*/Overview); |
| if (!OptionsParser) |
| return OptionsParser.takeError(); |
| for (const auto &TEPlugin : ToolExecutorPluginRegistry::entries()) { |
| if (TEPlugin.getName() != ExecutorName) { |
| continue; |
| } |
| std::unique_ptr<ToolExecutorPlugin> Plugin(TEPlugin.instantiate()); |
| llvm::Expected<std::unique_ptr<ToolExecutor>> Executor = |
| Plugin->create(*OptionsParser); |
| if (!Executor) { |
| return llvm::make_error<llvm::StringError>( |
| llvm::Twine("Failed to create '") + TEPlugin.getName() + |
| "': " + llvm::toString(Executor.takeError()) + "\n", |
| llvm::inconvertibleErrorCode()); |
| } |
| return std::move(*Executor); |
| } |
| return llvm::make_error<llvm::StringError>( |
| llvm::Twine("Executor \"") + ExecutorName + "\" is not registered.", |
| llvm::inconvertibleErrorCode()); |
| } |
| } // end namespace internal |
| |
| llvm::Expected<std::unique_ptr<ToolExecutor>> |
| createExecutorFromCommandLineArgs(int &argc, const char **argv, |
| llvm::cl::OptionCategory &Category, |
| const char *Overview) { |
| return internal::createExecutorFromCommandLineArgsImpl(argc, argv, Category, |
| Overview); |
| } |
| |
| // This anchor is used to force the linker to link in the generated object file |
| // and thus register the StandaloneToolExecutorPlugin etc. |
| extern volatile int StandaloneToolExecutorAnchorSource; |
| extern volatile int AllTUsToolExecutorAnchorSource; |
| static int LLVM_ATTRIBUTE_UNUSED StandaloneToolExecutorAnchorDest = |
| StandaloneToolExecutorAnchorSource; |
| static int LLVM_ATTRIBUTE_UNUSED AllTUsToolExecutorAnchorDest = |
| AllTUsToolExecutorAnchorSource; |
| |
| } // end namespace tooling |
| } // end namespace clang |