зеркало из https://github.com/microsoft/clang-1.git
101 строка
3.0 KiB
C++
101 строка
3.0 KiB
C++
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//===- unittests/Basic/LexerTest.cpp ------ Lexer 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/Basic/SourceManager.h"
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#include "clang/Basic/FileManager.h"
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#include "clang/Basic/Diagnostic.h"
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#include "clang/Basic/LangOptions.h"
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#include "clang/Basic/TargetOptions.h"
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#include "clang/Basic/TargetInfo.h"
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#include "clang/Lex/ModuleLoader.h"
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#include "clang/Lex/HeaderSearch.h"
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#include "clang/Lex/Preprocessor.h"
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#include "llvm/Config/config.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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// The test fixture.
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class LexerTest : public ::testing::Test {
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protected:
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LexerTest()
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: FileMgr(FileMgrOpts),
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DiagID(new DiagnosticIDs()),
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Diags(DiagID, new IgnoringDiagConsumer()),
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SourceMgr(Diags, FileMgr) {
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TargetOpts.Triple = "x86_64-apple-darwin11.1.0";
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Target = TargetInfo::CreateTargetInfo(Diags, TargetOpts);
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}
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FileSystemOptions FileMgrOpts;
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FileManager FileMgr;
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llvm::IntrusiveRefCntPtr<DiagnosticIDs> DiagID;
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DiagnosticsEngine Diags;
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SourceManager SourceMgr;
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LangOptions LangOpts;
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TargetOptions TargetOpts;
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llvm::IntrusiveRefCntPtr<TargetInfo> Target;
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};
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class VoidModuleLoader : public ModuleLoader {
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virtual Module *loadModule(SourceLocation ImportLoc, ModuleIdPath Path,
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Module::NameVisibilityKind Visibility,
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bool IsInclusionDirective) {
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return 0;
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}
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};
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TEST_F(LexerTest, LexAPI) {
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const char *source =
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"#define M(x) [x]\n"
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"M(foo)";
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MemoryBuffer *buf = MemoryBuffer::getMemBuffer(source);
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FileID mainFileID = SourceMgr.createMainFileIDForMemBuffer(buf);
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VoidModuleLoader ModLoader;
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HeaderSearch HeaderInfo(FileMgr, Diags, LangOpts);
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Preprocessor PP(Diags, LangOpts,
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Target.getPtr(),
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SourceMgr, HeaderInfo, ModLoader,
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/*IILookup =*/ 0,
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/*OwnsHeaderSearch =*/false,
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/*DelayInitialization =*/ false);
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PP.EnterMainSourceFile();
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std::vector<Token> toks;
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while (1) {
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Token tok;
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PP.Lex(tok);
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if (tok.is(tok::eof))
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break;
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toks.push_back(tok);
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}
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// Make sure we got the tokens that we expected.
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ASSERT_EQ(3U, toks.size());
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ASSERT_EQ(tok::l_square, toks[0].getKind());
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ASSERT_EQ(tok::identifier, toks[1].getKind());
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ASSERT_EQ(tok::r_square, toks[2].getKind());
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SourceLocation lsqrLoc = toks[0].getLocation();
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SourceLocation idLoc = toks[1].getLocation();
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SourceLocation rsqrLoc = toks[2].getLocation();
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EXPECT_TRUE(Lexer::isAtStartOfMacroExpansion(lsqrLoc, SourceMgr, LangOpts));
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EXPECT_FALSE(Lexer::isAtStartOfMacroExpansion(idLoc, SourceMgr, LangOpts));
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EXPECT_FALSE(Lexer::isAtEndOfMacroExpansion(idLoc, SourceMgr, LangOpts));
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EXPECT_TRUE(Lexer::isAtEndOfMacroExpansion(rsqrLoc, SourceMgr, LangOpts));
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}
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} // anonymous namespace
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