73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
//===- unittests/Frontend/FrontendActionTest.cpp - FrontendAction tests ---===//
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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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#include "clang/Frontend/FrontendAction.h"
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#include "clang/AST/ASTConsumer.h"
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#include "clang/AST/ASTContext.h"
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#include "clang/AST/RecursiveASTVisitor.h"
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#include "clang/Frontend/CompilerInstance.h"
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#include "clang/Frontend/CompilerInvocation.h"
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#include "llvm/ADT/Triple.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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using namespace clang;
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namespace {
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class TestASTFrontendAction : public ASTFrontendAction {
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public:
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std::vector<std::string> decl_names;
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virtual ASTConsumer *CreateASTConsumer(CompilerInstance &CI,
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StringRef InFile) {
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return new Visitor(decl_names);
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}
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private:
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class Visitor : public ASTConsumer, public RecursiveASTVisitor<Visitor> {
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public:
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Visitor(std::vector<std::string> &decl_names) : decl_names_(decl_names) {}
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virtual void HandleTranslationUnit(ASTContext &context) {
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TraverseDecl(context.getTranslationUnitDecl());
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}
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virtual bool VisitNamedDecl(NamedDecl *Decl) {
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decl_names_.push_back(Decl->getQualifiedNameAsString());
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return true;
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}
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private:
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std::vector<std::string> &decl_names_;
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};
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};
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TEST(ASTFrontendAction, Sanity) {
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CompilerInvocation *invocation = new CompilerInvocation;
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invocation->getPreprocessorOpts().addRemappedFile(
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"test.cc", MemoryBuffer::getMemBuffer("int main() { float x; }"));
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invocation->getFrontendOpts().Inputs.push_back(FrontendInputFile("test.cc",
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IK_CXX));
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invocation->getFrontendOpts().ProgramAction = frontend::ParseSyntaxOnly;
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invocation->getTargetOpts().Triple = "i386-unknown-linux-gnu";
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CompilerInstance compiler;
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compiler.setInvocation(invocation);
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compiler.createDiagnostics();
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TestASTFrontendAction test_action;
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ASSERT_TRUE(compiler.ExecuteAction(test_action));
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ASSERT_EQ(3U, test_action.decl_names.size());
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EXPECT_EQ("__builtin_va_list", test_action.decl_names[0]);
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EXPECT_EQ("main", test_action.decl_names[1]);
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EXPECT_EQ("x", test_action.decl_names[2]);
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}
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} // anonymous namespace
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