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//===--- ClangTidyTest.h - clang-tidy ---------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLS_EXTRA_UNITTESTS_CLANG_TIDY_CLANG_TIDY_TEST_H
#define LLVM_CLANG_TOOLS_EXTRA_UNITTESTS_CLANG_TIDY_CLANG_TIDY_TEST_H
#include "ClangTidy.h"
#include "ClangTidyDiagnosticConsumer.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Frontend/FrontendActions.h"
#include "clang/Tooling/Refactoring.h"
#include "clang/Tooling/Tooling.h"
namespace clang {
namespace tidy {
namespace test {
class TestPPAction : public PreprocessOnlyAction {
public:
TestPPAction(ClangTidyCheck &Check, ClangTidyContext *Context)
: Check(Check), Context(Context) {}
private:
bool BeginSourceFileAction(CompilerInstance &Compiler,
llvm::StringRef file_name) override {
Context->setSourceManager(&Compiler.getSourceManager());
Check.registerPPCallbacks(Compiler);
return true;
}
ClangTidyCheck &Check;
ClangTidyContext *Context;
};
template <typename T>
std::string runCheckOnCode(StringRef Code,
std::vector<ClangTidyError> *Errors = nullptr) {
T Check;
ClangTidyContext Context(
new DefaultOptionsProvider(ClangTidyGlobalOptions(), ClangTidyOptions()));
ClangTidyDiagnosticConsumer DiagConsumer(Context);
Check.setContext(&Context);
std::vector<std::string> ArgCXX11(1, "-std=c++11");
if (!tooling::runToolOnCodeWithArgs(new TestPPAction(Check, &Context), Code,
ArgCXX11))
return "";
ast_matchers::MatchFinder Finder;
Check.registerMatchers(&Finder);
std::unique_ptr<tooling::FrontendActionFactory> Factory(
tooling::newFrontendActionFactory(&Finder));
if (!tooling::runToolOnCodeWithArgs(Factory->create(), Code, ArgCXX11))
return "";
DiagConsumer.finish();
tooling::Replacements Fixes;
for (const ClangTidyError &Error : Context.getErrors())
Fixes.insert(Error.Fix.begin(), Error.Fix.end());
if (Errors)
*Errors = Context.getErrors();
return tooling::applyAllReplacements(Code, Fixes);
}
} // namespace test
} // namespace tidy
} // namespace clang
#endif // LLVM_CLANG_TOOLS_EXTRA_UNITTESTS_CLANG_TIDY_CLANG_TIDY_TEST_H
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