diff options
Diffstat (limited to 'contrib/llvm/tools/clang/lib/Lex/ScratchBuffer.cpp')
-rw-r--r-- | contrib/llvm/tools/clang/lib/Lex/ScratchBuffer.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/contrib/llvm/tools/clang/lib/Lex/ScratchBuffer.cpp b/contrib/llvm/tools/clang/lib/Lex/ScratchBuffer.cpp index cd8a27e..e0f3966 100644 --- a/contrib/llvm/tools/clang/lib/Lex/ScratchBuffer.cpp +++ b/contrib/llvm/tools/clang/lib/Lex/ScratchBuffer.cpp @@ -35,6 +35,14 @@ SourceLocation ScratchBuffer::getToken(const char *Buf, unsigned Len, const char *&DestPtr) { if (BytesUsed+Len+2 > ScratchBufSize) AllocScratchBuffer(Len+2); + else { + // Clear out the source line cache if it's already been computed. + // FIXME: Allow this to be incrementally extended. + auto *ContentCache = const_cast<SrcMgr::ContentCache *>( + SourceMgr.getSLocEntry(SourceMgr.getFileID(BufferStartLoc)) + .getFile().getContentCache()); + ContentCache->SourceLineCache = nullptr; + } // Prefix the token with a \n, so that it looks like it is the first thing on // its own virtual line in caret diagnostics. |