106 lines
3.9 KiB
C++
106 lines
3.9 KiB
C++
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//===- lib/Tooling/Execution.cpp - Implements tool execution framework. ---===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Tooling/Execution.h"
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#include "clang/Tooling/ToolExecutorPluginRegistry.h"
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#include "clang/Tooling/Tooling.h"
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LLVM_INSTANTIATE_REGISTRY(clang::tooling::ToolExecutorPluginRegistry)
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namespace clang {
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namespace tooling {
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llvm::cl::opt<std::string>
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ExecutorName("executor", llvm::cl::desc("The name of the executor to use."),
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llvm::cl::init("standalone"));
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void InMemoryToolResults::addResult(StringRef Key, StringRef Value) {
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KVResults.push_back({Strings.save(Key), Strings.save(Value)});
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}
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std::vector<std::pair<llvm::StringRef, llvm::StringRef>>
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InMemoryToolResults::AllKVResults() {
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return KVResults;
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}
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void InMemoryToolResults::forEachResult(
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llvm::function_ref<void(StringRef Key, StringRef Value)> Callback) {
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for (const auto &KV : KVResults) {
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Callback(KV.first, KV.second);
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}
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}
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void ExecutionContext::reportResult(StringRef Key, StringRef Value) {
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Results->addResult(Key, Value);
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}
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llvm::Error
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ToolExecutor::execute(std::unique_ptr<FrontendActionFactory> Action) {
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return execute(std::move(Action), ArgumentsAdjuster());
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}
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llvm::Error ToolExecutor::execute(std::unique_ptr<FrontendActionFactory> Action,
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ArgumentsAdjuster Adjuster) {
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std::vector<
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std::pair<std::unique_ptr<FrontendActionFactory>, ArgumentsAdjuster>>
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Actions;
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Actions.emplace_back(std::move(Action), std::move(Adjuster));
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return execute(Actions);
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}
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namespace internal {
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llvm::Expected<std::unique_ptr<ToolExecutor>>
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createExecutorFromCommandLineArgsImpl(int &argc, const char **argv,
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llvm::cl::OptionCategory &Category,
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const char *Overview) {
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auto OptionsParser =
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CommonOptionsParser::create(argc, argv, Category, llvm::cl::ZeroOrMore,
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/*Overview=*/Overview);
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if (!OptionsParser)
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return OptionsParser.takeError();
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for (const auto &TEPlugin : ToolExecutorPluginRegistry::entries()) {
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if (TEPlugin.getName() != ExecutorName) {
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continue;
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}
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std::unique_ptr<ToolExecutorPlugin> Plugin(TEPlugin.instantiate());
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llvm::Expected<std::unique_ptr<ToolExecutor>> Executor =
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Plugin->create(*OptionsParser);
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if (!Executor) {
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return llvm::make_error<llvm::StringError>(
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llvm::Twine("Failed to create '") + TEPlugin.getName() +
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"': " + llvm::toString(Executor.takeError()) + "\n",
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llvm::inconvertibleErrorCode());
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}
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return std::move(*Executor);
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}
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return llvm::make_error<llvm::StringError>(
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llvm::Twine("Executor \"") + ExecutorName + "\" is not registered.",
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llvm::inconvertibleErrorCode());
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}
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} // end namespace internal
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llvm::Expected<std::unique_ptr<ToolExecutor>>
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createExecutorFromCommandLineArgs(int &argc, const char **argv,
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llvm::cl::OptionCategory &Category,
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const char *Overview) {
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return internal::createExecutorFromCommandLineArgsImpl(argc, argv, Category,
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Overview);
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}
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// This anchor is used to force the linker to link in the generated object file
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// and thus register the StandaloneToolExecutorPlugin etc.
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extern volatile int StandaloneToolExecutorAnchorSource;
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extern volatile int AllTUsToolExecutorAnchorSource;
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static int LLVM_ATTRIBUTE_UNUSED StandaloneToolExecutorAnchorDest =
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StandaloneToolExecutorAnchorSource;
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static int LLVM_ATTRIBUTE_UNUSED AllTUsToolExecutorAnchorDest =
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AllTUsToolExecutorAnchorSource;
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} // end namespace tooling
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} // end namespace clang
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