[cfe-commits] r160401 - /cfe/trunk/include/clang/AST/RecursiveASTVisitor.h
Douglas Gregor
dgregor at apple.com
Tue Jul 17 15:32:15 PDT 2012
Author: dgregor
Date: Tue Jul 17 17:32:15 2012
New Revision: 160401
URL: http://llvm.org/viewvc/llvm-project?rev=160401&view=rev
Log:
Reinstate the GCC_CAST hack; I apparently did not appease GCC with r160397.
Modified:
cfe/trunk/include/clang/AST/RecursiveASTVisitor.h
Modified: cfe/trunk/include/clang/AST/RecursiveASTVisitor.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/RecursiveASTVisitor.h?rev=160401&r1=160400&r2=160401&view=diff
==============================================================================
--- cfe/trunk/include/clang/AST/RecursiveASTVisitor.h (original)
+++ cfe/trunk/include/clang/AST/RecursiveASTVisitor.h Tue Jul 17 17:32:15 2012
@@ -464,11 +464,19 @@
bool RecursiveASTVisitor<Derived>::dataTraverseNode(Stmt *S,
bool &EnqueueChildren) {
+// The cast for DISPATCH_WALK is needed for older versions of g++, but causes
+// problems for MSVC. So we'll skip the cast entirely for MSVC.
+#if defined(_MSC_VER)
+ #define GCC_CAST(CLASS)
+#else
+ #define GCC_CAST(CLASS) (bool (RecursiveASTVisitor::*)(CLASS*))
+#endif
+
// Dispatch to the corresponding WalkUpFrom* function only if the derived
// class didn't override Traverse* (and thus the traversal is trivial).
#define DISPATCH_WALK(NAME, CLASS, VAR) \
- if ((bool (Derived::*)(CLASS*))&RecursiveASTVisitor::Traverse##NAME == \
- &Derived::Traverse##NAME) \
+ if (&RecursiveASTVisitor::Traverse##NAME == \
+ GCC_CAST(CLASS)&Derived::Traverse##NAME) \
return getDerived().WalkUpFrom##NAME(static_cast<CLASS*>(VAR)); \
EnqueueChildren = false; \
return getDerived().Traverse##NAME(static_cast<CLASS*>(VAR));
@@ -508,6 +516,7 @@
}
#undef DISPATCH_WALK
+#undef GCC_CAST
return true;
}
More information about the cfe-commits
mailing list