diff options
Diffstat (limited to 'clang/lib/Parse/ParseTemplate.cpp')
-rw-r--r-- | clang/lib/Parse/ParseTemplate.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/clang/lib/Parse/ParseTemplate.cpp b/clang/lib/Parse/ParseTemplate.cpp index fffc40ee4e1..9e68c4a15d3 100644 --- a/clang/lib/Parse/ParseTemplate.cpp +++ b/clang/lib/Parse/ParseTemplate.cpp @@ -831,6 +831,7 @@ bool Parser::ParseGreaterThanInTemplateList(SourceLocation &RAngleLoc, } // Strip the initial '>' from the token. + Token PrevTok = Tok; if (RemainingToken == tok::equal && Next.is(tok::equal) && areTokensAdjacent(Tok, Next)) { // Join two adjacent '=' tokens into one, for cases like: @@ -847,6 +848,17 @@ bool Parser::ParseGreaterThanInTemplateList(SourceLocation &RAngleLoc, PP.getSourceManager(), getLangOpts())); + // The advance from '>>' to '>' in a ObjectiveC template argument list needs + // to be properly reflected in the token cache to allow correct interaction + // between annotation and backtracking. + if (ObjCGenericList && PrevTok.getKind() == tok::greatergreater && + RemainingToken == tok::greater && PP.IsPreviousCachedToken(PrevTok)) { + PrevTok.setKind(RemainingToken); + PrevTok.setLength(1); + Token NewToks[] = {PrevTok, Tok}; + PP.ReplacePreviousCachedToken(NewToks); + } + if (!ConsumeLastToken) { // Since we're not supposed to consume the '>' token, we need to push // this token and revert the current token back to the '>'. |