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https://github.com/Gericom/teak-llvm.git
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56b5cc91af
__builtin_va_list and friends have been showing up where they shouldn't for way to long, making unwanted appearences in -ast-print, tooling and source level visitors and even the hello world tutorial on the clang website. This commit factors down the implicit typedef and record creation facilities to ensure they're marked implicit. Also fixes a unit test that was testing incorrect behaviour, and removes old hacks in the DeclPrinter that tried to skip implicit declarations manually. llvm-svn: 197336
104 lines
3.6 KiB
C++
104 lines
3.6 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 "clang/Lex/Preprocessor.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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TestASTFrontendAction(bool enableIncrementalProcessing = false)
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: EnableIncrementalProcessing(enableIncrementalProcessing) { }
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bool EnableIncrementalProcessing;
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std::vector<std::string> decl_names;
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virtual bool BeginSourceFileAction(CompilerInstance &ci, StringRef filename) {
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if (EnableIncrementalProcessing)
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ci.getPreprocessor().enableIncrementalProcessing();
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return ASTFrontendAction::BeginSourceFileAction(ci, filename);
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}
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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(2U, test_action.decl_names.size());
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EXPECT_EQ("main", test_action.decl_names[0]);
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EXPECT_EQ("x", test_action.decl_names[1]);
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}
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TEST(ASTFrontendAction, IncrementalParsing) {
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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(/*enableIncrementalProcessing=*/true);
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ASSERT_TRUE(compiler.ExecuteAction(test_action));
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ASSERT_EQ(2U, test_action.decl_names.size());
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EXPECT_EQ("main", test_action.decl_names[0]);
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EXPECT_EQ("x", test_action.decl_names[1]);
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}
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} // anonymous namespace
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