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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
77 lines
2.9 KiB
C++
77 lines
2.9 KiB
C++
//===- ClangTidyPlugin.cpp - clang-tidy as a clang plugin -----------------===//
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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 "../ClangTidy.h"
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#include "../ClangTidyForceLinker.h"
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#include "../ClangTidyModule.h"
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#include "clang/Frontend/CompilerInstance.h"
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#include "clang/Frontend/FrontendPluginRegistry.h"
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#include "clang/Frontend/MultiplexConsumer.h"
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namespace clang {
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namespace tidy {
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/// The core clang tidy plugin action. This just provides the AST consumer and
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/// command line flag parsing for using clang-tidy as a clang plugin.
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class ClangTidyPluginAction : public PluginASTAction {
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/// Wrapper to grant the context the same lifetime as the action. We use
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/// MultiplexConsumer to avoid writing out all the forwarding methods.
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class WrapConsumer : public MultiplexConsumer {
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std::unique_ptr<ClangTidyContext> Context;
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public:
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WrapConsumer(std::unique_ptr<ClangTidyContext> Context,
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std::vector<std::unique_ptr<ASTConsumer>> Consumer)
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: MultiplexConsumer(std::move(Consumer)), Context(std::move(Context)) {}
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};
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public:
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std::unique_ptr<ASTConsumer> CreateASTConsumer(CompilerInstance &Compiler,
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StringRef File) override {
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// Insert the current diagnostics engine.
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Context->setDiagnosticsEngine(&Compiler.getDiagnostics());
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// Create the AST consumer.
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ClangTidyASTConsumerFactory Factory(*Context);
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std::vector<std::unique_ptr<ASTConsumer>> Vec;
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Vec.push_back(Factory.CreateASTConsumer(Compiler, File));
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return llvm::make_unique<WrapConsumer>(std::move(Context), std::move(Vec));
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}
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bool ParseArgs(const CompilerInstance &,
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const std::vector<std::string> &Args) override {
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ClangTidyGlobalOptions GlobalOptions;
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ClangTidyOptions DefaultOptions;
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ClangTidyOptions OverrideOptions;
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// Parse the extra command line args.
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// FIXME: This is very limited at the moment.
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for (StringRef Arg : Args)
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if (Arg.startswith("-checks="))
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OverrideOptions.Checks = Arg.substr(strlen("-checks="));
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auto Options = llvm::make_unique<FileOptionsProvider>(
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GlobalOptions, DefaultOptions, OverrideOptions);
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Context = llvm::make_unique<ClangTidyContext>(std::move(Options));
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return true;
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}
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private:
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std::unique_ptr<ClangTidyContext> Context;
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};
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} // namespace tidy
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} // namespace clang
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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 clang-tidy plugin.
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volatile int ClangTidyPluginAnchorSource = 0;
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static clang::FrontendPluginRegistry::Add<clang::tidy::ClangTidyPluginAction>
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X("clang-tidy", "clang-tidy");
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