[PATCH] Parser: support Microsoft syntax for 'typename typedef'
Reid Kleckner
rnk at google.com
Tue Sep 3 13:26:17 PDT 2013
Sounds fine, but I'd like to hear Richard's opinion on this hack.
================
Comment at: lib/Parse/Parser.cpp:1489
@@ +1488,3 @@
+ // typename T_::D typedef D;
+ if (getLangOpts().MicrosoftExt && NextToken().is(tok::kw_typedef)) {
+ Token TypenameToken = Tok;
----------------
I believe this is more of a MicrosoftMode feature. -fms-extensions covers extensions like declspecs, and -fms-compatibility is the kitchen sink of invalid C++.
================
Comment at: lib/Parse/Parser.cpp:1496
@@ +1495,3 @@
+ Tok = TypenameToken;
+ bool Result = TryAnnotateTypeOrScopeToken(EnteringContext, NeedType);
+ PP.EnterToken(Tok);
----------------
What happens with this?
typename typedef typename typedef T::type type;
http://llvm-reviews.chandlerc.com/D1433
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