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//===- unittests/Lex/PreprocessingRecordTest.cpp - PreprocessingRecord tests =//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "clang/Basic/SourceManager.h"
#include "clang/Basic/FileManager.h"
#include "clang/Basic/Diagnostic.h"
#include "clang/Basic/LangOptions.h"
#include "clang/Basic/TargetOptions.h"
#include "clang/Basic/TargetInfo.h"
#include "clang/Lex/ModuleLoader.h"
#include "clang/Lex/HeaderSearch.h"
#include "clang/Lex/Preprocessor.h"
#include "clang/Lex/PreprocessingRecord.h"
#include "llvm/Config/config.h"
#include "gtest/gtest.h"
using namespace llvm;
using namespace clang;
namespace {
// The test fixture.
class PreprocessingRecordTest : public ::testing::Test {
protected:
PreprocessingRecordTest()
: FileMgr(FileMgrOpts),
DiagID(new DiagnosticIDs()),
Diags(DiagID, new IgnoringDiagConsumer()),
SourceMgr(Diags, FileMgr) {
TargetOpts.Triple = "x86_64-apple-darwin11.1.0";
Target = TargetInfo::CreateTargetInfo(Diags, TargetOpts);
}
FileSystemOptions FileMgrOpts;
FileManager FileMgr;
IntrusiveRefCntPtr<DiagnosticIDs> DiagID;
DiagnosticsEngine Diags;
SourceManager SourceMgr;
LangOptions LangOpts;
TargetOptions TargetOpts;
IntrusiveRefCntPtr<TargetInfo> Target;
};
class VoidModuleLoader : public ModuleLoader {
virtual Module *loadModule(SourceLocation ImportLoc, ModuleIdPath Path,
Module::NameVisibilityKind Visibility,
bool IsInclusionDirective) {
return 0;
}
};
TEST_F(PreprocessingRecordTest, PPRecAPI) {
const char *source =
"0 1\n"
"#if 1\n"
"2\n"
"#ifndef BB\n"
"3 4\n"
"#else\n"
"#endif\n"
"5\n"
"#endif\n"
"6\n"
"#if 1\n"
"7\n"
"#if 1\n"
"#endif\n"
"8\n"
"#endif\n"
"9\n";
MemoryBuffer *buf = MemoryBuffer::getMemBuffer(source);
SourceMgr.createMainFileIDForMemBuffer(buf);
VoidModuleLoader ModLoader;
HeaderSearch HeaderInfo(FileMgr, Diags, LangOpts, Target.getPtr());
Preprocessor PP(Diags, LangOpts,
Target.getPtr(),
SourceMgr, HeaderInfo, ModLoader,
/*IILookup =*/ 0,
/*OwnsHeaderSearch =*/false,
/*DelayInitialization =*/ false);
PP.createPreprocessingRecord(true);
PP.EnterMainSourceFile();
std::vector<Token> toks;
while (1) {
Token tok;
PP.Lex(tok);
if (tok.is(tok::eof))
break;
toks.push_back(tok);
}
// Make sure we got the tokens that we expected.
ASSERT_EQ(10U, toks.size());
PreprocessingRecord &PPRec = *PP.getPreprocessingRecord();
EXPECT_FALSE(PPRec.rangeIntersectsConditionalDirective(
SourceRange(toks[0].getLocation(), toks[1].getLocation())));
EXPECT_TRUE(PPRec.rangeIntersectsConditionalDirective(
SourceRange(toks[0].getLocation(), toks[2].getLocation())));
EXPECT_FALSE(PPRec.rangeIntersectsConditionalDirective(
SourceRange(toks[3].getLocation(), toks[4].getLocation())));
EXPECT_TRUE(PPRec.rangeIntersectsConditionalDirective(
SourceRange(toks[1].getLocation(), toks[5].getLocation())));
EXPECT_TRUE(PPRec.rangeIntersectsConditionalDirective(
SourceRange(toks[2].getLocation(), toks[6].getLocation())));
EXPECT_FALSE(PPRec.rangeIntersectsConditionalDirective(
SourceRange(toks[2].getLocation(), toks[5].getLocation())));
EXPECT_FALSE(PPRec.rangeIntersectsConditionalDirective(
SourceRange(toks[0].getLocation(), toks[6].getLocation())));
EXPECT_TRUE(PPRec.rangeIntersectsConditionalDirective(
SourceRange(toks[2].getLocation(), toks[8].getLocation())));
EXPECT_FALSE(PPRec.rangeIntersectsConditionalDirective(
SourceRange(toks[0].getLocation(), toks[9].getLocation())));
EXPECT_TRUE(PPRec.areInDifferentConditionalDirectiveRegion(
toks[0].getLocation(), toks[2].getLocation()));
EXPECT_FALSE(PPRec.areInDifferentConditionalDirectiveRegion(
toks[3].getLocation(), toks[4].getLocation()));
EXPECT_TRUE(PPRec.areInDifferentConditionalDirectiveRegion(
toks[1].getLocation(), toks[5].getLocation()));
EXPECT_TRUE(PPRec.areInDifferentConditionalDirectiveRegion(
toks[2].getLocation(), toks[0].getLocation()));
EXPECT_FALSE(PPRec.areInDifferentConditionalDirectiveRegion(
toks[4].getLocation(), toks[3].getLocation()));
EXPECT_TRUE(PPRec.areInDifferentConditionalDirectiveRegion(
toks[5].getLocation(), toks[1].getLocation()));
}
} // anonymous namespace
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