diff options
author | Dimitry Andric <dim@FreeBSD.org> | 2019-08-20 17:59:23 +0000 |
---|---|---|
committer | Dimitry Andric <dim@FreeBSD.org> | 2019-08-20 17:59:23 +0000 |
commit | 9a83721404652cea39e9f02ae3e3b5c964602a5c (patch) | |
tree | 23e9541ce27049a103f6ed046be61592123e02c9 /unittests/Frontend/FrontendActionTest.cpp | |
parent | 676fbe8105eeb6ff4bb2ed261cb212fcfdbe7b63 (diff) |
Notes
Diffstat (limited to 'unittests/Frontend/FrontendActionTest.cpp')
-rw-r--r-- | unittests/Frontend/FrontendActionTest.cpp | 257 |
1 files changed, 0 insertions, 257 deletions
diff --git a/unittests/Frontend/FrontendActionTest.cpp b/unittests/Frontend/FrontendActionTest.cpp deleted file mode 100644 index ce0144538db7..000000000000 --- a/unittests/Frontend/FrontendActionTest.cpp +++ /dev/null @@ -1,257 +0,0 @@ -//===- unittests/Frontend/FrontendActionTest.cpp - FrontendAction tests ---===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "clang/AST/ASTConsumer.h" -#include "clang/AST/ASTContext.h" -#include "clang/AST/RecursiveASTVisitor.h" -#include "clang/Frontend/CompilerInstance.h" -#include "clang/Frontend/CompilerInvocation.h" -#include "clang/Frontend/FrontendAction.h" -#include "clang/Frontend/FrontendActions.h" -#include "clang/Lex/Preprocessor.h" -#include "clang/Lex/PreprocessorOptions.h" -#include "clang/Sema/Sema.h" -#include "llvm/ADT/Triple.h" -#include "llvm/Support/MemoryBuffer.h" -#include "gtest/gtest.h" - -using namespace llvm; -using namespace clang; - -namespace { - -class TestASTFrontendAction : public ASTFrontendAction { -public: - TestASTFrontendAction(bool enableIncrementalProcessing = false, - bool actOnEndOfTranslationUnit = false) - : EnableIncrementalProcessing(enableIncrementalProcessing), - ActOnEndOfTranslationUnit(actOnEndOfTranslationUnit) { } - - bool EnableIncrementalProcessing; - bool ActOnEndOfTranslationUnit; - std::vector<std::string> decl_names; - - bool BeginSourceFileAction(CompilerInstance &ci) override { - if (EnableIncrementalProcessing) - ci.getPreprocessor().enableIncrementalProcessing(); - - return ASTFrontendAction::BeginSourceFileAction(ci); - } - - std::unique_ptr<ASTConsumer> CreateASTConsumer(CompilerInstance &CI, - StringRef InFile) override { - return llvm::make_unique<Visitor>(CI, ActOnEndOfTranslationUnit, - decl_names); - } - -private: - class Visitor : public ASTConsumer, public RecursiveASTVisitor<Visitor> { - public: - Visitor(CompilerInstance &CI, bool ActOnEndOfTranslationUnit, - std::vector<std::string> &decl_names) : - CI(CI), ActOnEndOfTranslationUnit(ActOnEndOfTranslationUnit), - decl_names_(decl_names) {} - - void HandleTranslationUnit(ASTContext &context) override { - if (ActOnEndOfTranslationUnit) { - CI.getSema().ActOnEndOfTranslationUnit(); - } - TraverseDecl(context.getTranslationUnitDecl()); - } - - virtual bool VisitNamedDecl(NamedDecl *Decl) { - decl_names_.push_back(Decl->getQualifiedNameAsString()); - return true; - } - - private: - CompilerInstance &CI; - bool ActOnEndOfTranslationUnit; - std::vector<std::string> &decl_names_; - }; -}; - -TEST(ASTFrontendAction, Sanity) { - auto invocation = std::make_shared<CompilerInvocation>(); - invocation->getPreprocessorOpts().addRemappedFile( - "test.cc", - MemoryBuffer::getMemBuffer("int main() { float x; }").release()); - invocation->getFrontendOpts().Inputs.push_back( - FrontendInputFile("test.cc", InputKind::CXX)); - invocation->getFrontendOpts().ProgramAction = frontend::ParseSyntaxOnly; - invocation->getTargetOpts().Triple = "i386-unknown-linux-gnu"; - CompilerInstance compiler; - compiler.setInvocation(std::move(invocation)); - compiler.createDiagnostics(); - - TestASTFrontendAction test_action; - ASSERT_TRUE(compiler.ExecuteAction(test_action)); - ASSERT_EQ(2U, test_action.decl_names.size()); - EXPECT_EQ("main", test_action.decl_names[0]); - EXPECT_EQ("x", test_action.decl_names[1]); -} - -TEST(ASTFrontendAction, IncrementalParsing) { - auto invocation = std::make_shared<CompilerInvocation>(); - invocation->getPreprocessorOpts().addRemappedFile( - "test.cc", - MemoryBuffer::getMemBuffer("int main() { float x; }").release()); - invocation->getFrontendOpts().Inputs.push_back( - FrontendInputFile("test.cc", InputKind::CXX)); - invocation->getFrontendOpts().ProgramAction = frontend::ParseSyntaxOnly; - invocation->getTargetOpts().Triple = "i386-unknown-linux-gnu"; - CompilerInstance compiler; - compiler.setInvocation(std::move(invocation)); - compiler.createDiagnostics(); - - TestASTFrontendAction test_action(/*enableIncrementalProcessing=*/true); - ASSERT_TRUE(compiler.ExecuteAction(test_action)); - ASSERT_EQ(2U, test_action.decl_names.size()); - EXPECT_EQ("main", test_action.decl_names[0]); - EXPECT_EQ("x", test_action.decl_names[1]); -} - -TEST(ASTFrontendAction, LateTemplateIncrementalParsing) { - auto invocation = std::make_shared<CompilerInvocation>(); - invocation->getLangOpts()->CPlusPlus = true; - invocation->getLangOpts()->DelayedTemplateParsing = true; - invocation->getPreprocessorOpts().addRemappedFile( - "test.cc", MemoryBuffer::getMemBuffer( - "template<typename T> struct A { A(T); T data; };\n" - "template<typename T> struct B: public A<T> {\n" - " B();\n" - " B(B const& b): A<T>(b.data) {}\n" - "};\n" - "B<char> c() { return B<char>(); }\n").release()); - invocation->getFrontendOpts().Inputs.push_back( - FrontendInputFile("test.cc", InputKind::CXX)); - invocation->getFrontendOpts().ProgramAction = frontend::ParseSyntaxOnly; - invocation->getTargetOpts().Triple = "i386-unknown-linux-gnu"; - CompilerInstance compiler; - compiler.setInvocation(std::move(invocation)); - compiler.createDiagnostics(); - - TestASTFrontendAction test_action(/*enableIncrementalProcessing=*/true, - /*actOnEndOfTranslationUnit=*/true); - ASSERT_TRUE(compiler.ExecuteAction(test_action)); - ASSERT_EQ(13U, test_action.decl_names.size()); - EXPECT_EQ("A", test_action.decl_names[0]); - EXPECT_EQ("c", test_action.decl_names[12]); -} - -struct TestPPCallbacks : public PPCallbacks { - TestPPCallbacks() : SeenEnd(false) {} - - void EndOfMainFile() override { SeenEnd = true; } - - bool SeenEnd; -}; - -class TestPPCallbacksFrontendAction : public PreprocessorFrontendAction { - TestPPCallbacks *Callbacks; - -public: - TestPPCallbacksFrontendAction(TestPPCallbacks *C) - : Callbacks(C), SeenEnd(false) {} - - void ExecuteAction() override { - Preprocessor &PP = getCompilerInstance().getPreprocessor(); - PP.addPPCallbacks(std::unique_ptr<TestPPCallbacks>(Callbacks)); - PP.EnterMainSourceFile(); - } - void EndSourceFileAction() override { SeenEnd = Callbacks->SeenEnd; } - - bool SeenEnd; -}; - -TEST(PreprocessorFrontendAction, EndSourceFile) { - auto Invocation = std::make_shared<CompilerInvocation>(); - Invocation->getPreprocessorOpts().addRemappedFile( - "test.cc", - MemoryBuffer::getMemBuffer("int main() { float x; }").release()); - Invocation->getFrontendOpts().Inputs.push_back( - FrontendInputFile("test.cc", InputKind::CXX)); - Invocation->getFrontendOpts().ProgramAction = frontend::ParseSyntaxOnly; - Invocation->getTargetOpts().Triple = "i386-unknown-linux-gnu"; - CompilerInstance Compiler; - Compiler.setInvocation(std::move(Invocation)); - Compiler.createDiagnostics(); - - TestPPCallbacks *Callbacks = new TestPPCallbacks; - TestPPCallbacksFrontendAction TestAction(Callbacks); - ASSERT_FALSE(Callbacks->SeenEnd); - ASSERT_FALSE(TestAction.SeenEnd); - ASSERT_TRUE(Compiler.ExecuteAction(TestAction)); - // Check that EndOfMainFile was called before EndSourceFileAction. - ASSERT_TRUE(TestAction.SeenEnd); -} - -class TypoExternalSemaSource : public ExternalSemaSource { - CompilerInstance &CI; - -public: - TypoExternalSemaSource(CompilerInstance &CI) : CI(CI) {} - - TypoCorrection CorrectTypo(const DeclarationNameInfo &Typo, int LookupKind, - Scope *S, CXXScopeSpec *SS, - CorrectionCandidateCallback &CCC, - DeclContext *MemberContext, bool EnteringContext, - const ObjCObjectPointerType *OPT) override { - // Generate a fake typo correction with one attached note. - ASTContext &Ctx = CI.getASTContext(); - TypoCorrection TC(DeclarationName(&Ctx.Idents.get("moo"))); - unsigned DiagID = Ctx.getDiagnostics().getCustomDiagID( - DiagnosticsEngine::Note, "This is a note"); - TC.addExtraDiagnostic(PartialDiagnostic(DiagID, Ctx.getDiagAllocator())); - return TC; - } -}; - -struct TypoDiagnosticConsumer : public DiagnosticConsumer { - void HandleDiagnostic(DiagnosticsEngine::Level DiagLevel, - const Diagnostic &Info) override { - // Capture errors and notes. There should be one of each. - if (DiagLevel == DiagnosticsEngine::Error) { - assert(Error.empty()); - Info.FormatDiagnostic(Error); - } else { - assert(Note.empty()); - Info.FormatDiagnostic(Note); - } - } - SmallString<32> Error; - SmallString<32> Note; -}; - -TEST(ASTFrontendAction, ExternalSemaSource) { - auto Invocation = std::make_shared<CompilerInvocation>(); - Invocation->getLangOpts()->CPlusPlus = true; - Invocation->getPreprocessorOpts().addRemappedFile( - "test.cc", MemoryBuffer::getMemBuffer("void fooo();\n" - "int main() { foo(); }") - .release()); - Invocation->getFrontendOpts().Inputs.push_back( - FrontendInputFile("test.cc", InputKind::CXX)); - Invocation->getFrontendOpts().ProgramAction = frontend::ParseSyntaxOnly; - Invocation->getTargetOpts().Triple = "i386-unknown-linux-gnu"; - CompilerInstance Compiler; - Compiler.setInvocation(std::move(Invocation)); - auto *TDC = new TypoDiagnosticConsumer; - Compiler.createDiagnostics(TDC, /*ShouldOwnClient=*/true); - Compiler.setExternalSemaSource(new TypoExternalSemaSource(Compiler)); - - SyntaxOnlyAction TestAction; - ASSERT_TRUE(Compiler.ExecuteAction(TestAction)); - // There should be one error correcting to 'moo' and a note attached to it. - EXPECT_EQ("use of undeclared identifier 'foo'; did you mean 'moo'?", - TDC->Error.str().str()); - EXPECT_EQ("This is a note", TDC->Note.str().str()); -} - -} // anonymous namespace |