77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
//===--- ClangTidyTest.h - clang-tidy ---------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_TOOLS_EXTRA_UNITTESTS_CLANG_TIDY_CLANG_TIDY_TEST_H
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#define LLVM_CLANG_TOOLS_EXTRA_UNITTESTS_CLANG_TIDY_CLANG_TIDY_TEST_H
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#include "ClangTidy.h"
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#include "ClangTidyDiagnosticConsumer.h"
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#include "clang/ASTMatchers/ASTMatchFinder.h"
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#include "clang/Frontend/CompilerInstance.h"
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#include "clang/Frontend/FrontendActions.h"
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#include "clang/Tooling/Refactoring.h"
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#include "clang/Tooling/Tooling.h"
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#include "gtest/gtest.h"
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namespace clang {
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namespace tidy {
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template <typename T> class ClangTidyTest : public ::testing::Test {
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protected:
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ClangTidyTest() : Check(new T), Context(&Errors) {}
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std::string runCheckOn(StringRef Code) {
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ClangTidyDiagnosticConsumer DiagConsumer(Context);
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Check->setContext(&Context);
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EXPECT_TRUE(
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tooling::runToolOnCode(new TestPPAction(*Check, &Context), Code));
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ast_matchers::MatchFinder Finder;
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Check->registerMatchers(&Finder);
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OwningPtr<tooling::FrontendActionFactory> Factory(
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tooling::newFrontendActionFactory(&Finder));
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EXPECT_TRUE(tooling::runToolOnCode(Factory->create(), Code));
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DiagConsumer.finish();
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tooling::Replacements Fixes;
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for (SmallVector<ClangTidyError, 16>::const_iterator I = Errors.begin(),
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E = Errors.end();
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I != E; ++I)
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Fixes.insert(I->Fix.begin(), I->Fix.end());
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return tooling::applyAllReplacements(Code, Fixes);
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}
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void expectNoChanges(StringRef Code) { EXPECT_EQ(Code, runCheckOn(Code)); }
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private:
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class TestPPAction : public PreprocessOnlyAction {
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public:
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TestPPAction(ClangTidyCheck &Check, ClangTidyContext *Context)
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: Check(Check), Context(Context) {}
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private:
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virtual bool BeginSourceFileAction(CompilerInstance &Compiler,
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llvm::StringRef file_name) {
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Context->setSourceManager(&Compiler.getSourceManager());
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Check.registerPPCallbacks(Compiler);
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return true;
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}
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ClangTidyCheck &Check;
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ClangTidyContext *Context;
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};
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OwningPtr<ClangTidyCheck> Check;
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SmallVector<ClangTidyError, 16> Errors;
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ClangTidyContext Context;
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};
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} // namespace tidy
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} // namespace clang
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#endif // LLVM_CLANG_TOOLS_EXTRA_UNITTESTS_CLANG_TIDY_CLANG_TIDY_TEST_H
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