diff options
Diffstat (limited to 'lib/Basic/SourceManager.cpp')
-rw-r--r-- | lib/Basic/SourceManager.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/Basic/SourceManager.cpp b/lib/Basic/SourceManager.cpp index 354bf7b..b91671a 100644 --- a/lib/Basic/SourceManager.cpp +++ b/lib/Basic/SourceManager.cpp @@ -560,10 +560,14 @@ FileID SourceManager::getFileIDSlow(unsigned SLocOffset) const { SourceLocation SourceManager:: getInstantiationLocSlowCase(SourceLocation Loc) const { do { - std::pair<FileID, unsigned> LocInfo = getDecomposedLoc(Loc); - Loc = getSLocEntry(LocInfo.first).getInstantiation() + // Note: If Loc indicates an offset into a token that came from a macro + // expansion (e.g. the 5th character of the token) we do not want to add + // this offset when going to the instantiation location. The instatiation + // location is the macro invocation, which the offset has nothing to do + // with. This is unlike when we get the spelling loc, because the offset + // directly correspond to the token whose spelling we're inspecting. + Loc = getSLocEntry(getFileID(Loc)).getInstantiation() .getInstantiationLocStart(); - Loc = Loc.getFileLocWithOffset(LocInfo.second); } while (!Loc.isFileID()); return Loc; |