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//===- ClangTidyPlugin.cpp - clang-tidy as a clang plugin -----------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "../ClangTidy.h"
#include "../ClangTidyModule.h"
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Frontend/FrontendPluginRegistry.h"
#include "clang/Frontend/MultiplexConsumer.h"
namespace clang {
namespace tidy {
/// The core clang tidy plugin action. This just provides the AST consumer and
/// command line flag parsing for using clang-tidy as a clang plugin.
class ClangTidyPluginAction : public PluginASTAction {
/// Wrapper to grant the context the same lifetime as the action. We use
/// MultiplexConsumer to avoid writing out all the forwarding methods.
class WrapConsumer : public MultiplexConsumer {
std::unique_ptr<ClangTidyContext> Context;
public:
WrapConsumer(std::unique_ptr<ClangTidyContext> Context,
std::vector<std::unique_ptr<ASTConsumer>> Consumer)
: MultiplexConsumer(std::move(Consumer)), Context(std::move(Context)) {}
};
public:
std::unique_ptr<ASTConsumer> CreateASTConsumer(CompilerInstance &Compiler,
StringRef File) override {
// Insert the current diagnostics engine.
Context->setDiagnosticsEngine(&Compiler.getDiagnostics());
// Create the AST consumer.
ClangTidyASTConsumerFactory Factory(*Context);
std::vector<std::unique_ptr<ASTConsumer>> Vec;
Vec.push_back(Factory.CreateASTConsumer(Compiler, File));
return llvm::make_unique<WrapConsumer>(std::move(Context), std::move(Vec));
}
bool ParseArgs(const CompilerInstance &,
const std::vector<std::string> &Args) override {
ClangTidyGlobalOptions GlobalOptions;
ClangTidyOptions DefaultOptions;
ClangTidyOptions OverrideOptions;
// Parse the extra command line args.
// FIXME: This is very limited at the moment.
for (StringRef Arg : Args)
if (Arg.startswith("-checks="))
OverrideOptions.Checks = Arg.substr(strlen("-checks="));
auto Options = llvm::make_unique<FileOptionsProvider>(
GlobalOptions, DefaultOptions, OverrideOptions);
Context = llvm::make_unique<ClangTidyContext>(std::move(Options));
return true;
}
private:
std::unique_ptr<ClangTidyContext> Context;
};
} // namespace tidy
} // namespace clang
// This anchor is used to force the linker to link in the generated object file
// and thus register the clang-tidy plugin.
volatile int ClangTidyPluginAnchorSource = 0;
static clang::FrontendPluginRegistry::Add<clang::tidy::ClangTidyPluginAction>
X("clang-tidy", "clang-tidy");
namespace clang {
namespace tidy {
// This anchor is used to force the linker to link the CERTModule.
extern volatile int CERTModuleAnchorSource;
static int LLVM_ATTRIBUTE_UNUSED CERTModuleAnchorDestination =
CERTModuleAnchorSource;
// This anchor is used to force the linker to link the LLVMModule.
extern volatile int LLVMModuleAnchorSource;
static int LLVM_ATTRIBUTE_UNUSED LLVMModuleAnchorDestination =
LLVMModuleAnchorSource;
// This anchor is used to force the linker to link the CppCoreGuidelinesModule.
extern volatile int CppCoreGuidelinesModuleAnchorSource;
static int LLVM_ATTRIBUTE_UNUSED CppCoreGuidelinesModuleAnchorDestination =
CppCoreGuidelinesModuleAnchorSource;
// This anchor is used to force the linker to link the GoogleModule.
extern volatile int GoogleModuleAnchorSource;
static int LLVM_ATTRIBUTE_UNUSED GoogleModuleAnchorDestination =
GoogleModuleAnchorSource;
// This anchor is used to force the linker to link the MiscModule.
extern volatile int MiscModuleAnchorSource;
static int LLVM_ATTRIBUTE_UNUSED MiscModuleAnchorDestination =
MiscModuleAnchorSource;
// This anchor is used to force the linker to link the ModernizeModule.
extern volatile int ModernizeModuleAnchorSource;
static int LLVM_ATTRIBUTE_UNUSED ModernizeModuleAnchorDestination =
ModernizeModuleAnchorSource;
// This anchor is used to force the linker to link the MPIModule.
extern volatile int MPIModuleAnchorSource;
static int LLVM_ATTRIBUTE_UNUSED MPIModuleAnchorDestination =
MPIModuleAnchorSource;
// This anchor is used to force the linker to link the PerformanceModule.
extern volatile int PerformanceModuleAnchorSource;
static int LLVM_ATTRIBUTE_UNUSED PerformanceModuleAnchorDestination =
PerformanceModuleAnchorSource;
// This anchor is used to force the linker to link the ReadabilityModule.
extern volatile int ReadabilityModuleAnchorSource;
static int LLVM_ATTRIBUTE_UNUSED ReadabilityModuleAnchorDestination =
ReadabilityModuleAnchorSource;
} // namespace tidy
} // namespace clang
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