llvm-project/clang/unittests/Lex/PPConditionalDirectiveRecor...

154 lines
5.6 KiB
C++

//===- unittests/Lex/PPConditionalDirectiveRecordTest.cpp-PP directive tests =//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "clang/Lex/PPConditionalDirectiveRecord.h"
#include "clang/Basic/Diagnostic.h"
#include "clang/Basic/DiagnosticOptions.h"
#include "clang/Basic/FileManager.h"
#include "clang/Basic/LangOptions.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Basic/TargetInfo.h"
#include "clang/Basic/TargetOptions.h"
#include "clang/Lex/HeaderSearch.h"
#include "clang/Lex/HeaderSearchOptions.h"
#include "clang/Lex/ModuleLoader.h"
#include "clang/Lex/Preprocessor.h"
#include "clang/Lex/PreprocessorOptions.h"
#include "gtest/gtest.h"
using namespace llvm;
using namespace clang;
namespace {
// The test fixture.
class PPConditionalDirectiveRecordTest : public ::testing::Test {
protected:
PPConditionalDirectiveRecordTest()
: FileMgr(FileMgrOpts),
DiagID(new DiagnosticIDs()),
Diags(DiagID, new DiagnosticOptions, new IgnoringDiagConsumer()),
SourceMgr(Diags, FileMgr),
TargetOpts(new TargetOptions)
{
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;
std::shared_ptr<TargetOptions> TargetOpts;
IntrusiveRefCntPtr<TargetInfo> Target;
};
class VoidModuleLoader : public ModuleLoader {
ModuleLoadResult loadModule(SourceLocation ImportLoc,
ModuleIdPath Path,
Module::NameVisibilityKind Visibility,
bool IsInclusionDirective) override {
return ModuleLoadResult();
}
void makeModuleVisible(Module *Mod,
Module::NameVisibilityKind Visibility,
SourceLocation ImportLoc) override { }
GlobalModuleIndex *loadGlobalModuleIndex(SourceLocation TriggerLoc) override
{ return nullptr; }
bool lookupMissingImports(StringRef Name, SourceLocation TriggerLoc) override
{ return 0; };
};
TEST_F(PPConditionalDirectiveRecordTest, 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";
std::unique_ptr<MemoryBuffer> Buf = MemoryBuffer::getMemBuffer(source);
SourceMgr.setMainFileID(SourceMgr.createFileID(std::move(Buf)));
VoidModuleLoader ModLoader;
HeaderSearch HeaderInfo(new HeaderSearchOptions, SourceMgr, Diags, LangOpts,
Target.get());
Preprocessor PP(new PreprocessorOptions(), Diags, LangOpts, SourceMgr,
HeaderInfo, ModLoader,
/*IILookup =*/nullptr,
/*OwnsHeaderSearch =*/false);
PP.Initialize(*Target);
PPConditionalDirectiveRecord *
PPRec = new PPConditionalDirectiveRecord(SourceMgr);
PP.addPPCallbacks(std::unique_ptr<PPCallbacks>(PPRec));
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());
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