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[CrossTU] Fix handling of Cross Translation Unit directory path

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Differential Revision: https://reviews.llvm.org/D38842

llvm-svn: 316764
This commit is contained in:
Gabor Horvath 2017-10-27 12:53:37 +00:00
parent be684eee82
commit 724beacadc
2 changed files with 24 additions and 7 deletions
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5
clang/lib/CrossTU/CrossTranslationUnit.cpp
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@ -93,10 +93,7 @@ parseCrossTUIndex(StringRef IndexPath, StringRef CrossTUDir) {
index_error_code::multiple_definitions, IndexPath.str(), LineNo);
StringRef FileName = LineRef.substr(Pos + 1);
SmallString<256> FilePath = CrossTUDir;
if (llvm::sys::path::is_absolute(FileName))
FilePath = FileName;
else
llvm::sys::path::append(FilePath, FileName);
llvm::sys::path::append(FilePath, FileName);
Result[FunctionLookupName] = FilePath.str().str();
} else
return llvm::make_error<IndexError>(

26
clang/unittests/CrossTU/CrossTranslationUnitTest.cpp
View File

@ -109,9 +109,9 @@ TEST(CrossTranslationUnit, CanLoadFunctionDefinition) {
TEST(CrossTranslationUnit, IndexFormatCanBeParsed) {
llvm::StringMap<std::string> Index;
Index["a"] = "b";
Index["c"] = "d";
Index["e"] = "f";
Index["a"] = "/b/f1";
Index["c"] = "/d/f2";
Index["e"] = "/f/f3";
std::string IndexText = createCrossTUIndexString(Index);
int IndexFD;
@ -134,5 +134,25 @@ TEST(CrossTranslationUnit, IndexFormatCanBeParsed) {
EXPECT_TRUE(Index.count(E.getKey()));
}
TEST(CrossTranslationUnit, CTUDirIsHandledCorrectly) {
llvm::StringMap<std::string> Index;
Index["a"] = "/b/c/d";
std::string IndexText = createCrossTUIndexString(Index);
int IndexFD;
llvm::SmallString<256> IndexFileName;
ASSERT_FALSE(llvm::sys::fs::createTemporaryFile("index", "txt", IndexFD,
IndexFileName));
llvm::ToolOutputFile IndexFile(IndexFileName, IndexFD);
IndexFile.os() << IndexText;
IndexFile.os().flush();
EXPECT_TRUE(llvm::sys::fs::exists(IndexFileName));
llvm::Expected<llvm::StringMap<std::string>> IndexOrErr =
parseCrossTUIndex(IndexFileName, "/ctudir");
EXPECT_TRUE((bool)IndexOrErr);
llvm::StringMap<std::string> ParsedIndex = IndexOrErr.get();
EXPECT_EQ(ParsedIndex["a"], "/ctudir/b/c/d");
}
} // end namespace cross_tu
} // end namespace clang