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56 Commits

Author SHA1 Message Date
Douglas Gregor 6ff1fbf65f Check for unexpanded parameter packs in default arguments. 
llvm-svn: 121962
 2010-12-16 08:48:57 +00:00
Douglas Gregor 6ab34afc4e Fix a regression I caused in r121930. It turns out that 
DeclarationNameInfo instances don't always have a non-NULL
TypeSourceInfo?

llvm-svn: 121940
 2010-12-16 01:40:04 +00:00
Douglas Gregor c435653998 Check for unexpanded parameter packs in using declarations. As a 
drive-by, make sure to check for unexpanded parameter packs within the
name of a declaration.

llvm-svn: 121930
 2010-12-16 00:46:58 +00:00
Douglas Gregor a8461bb439 Test that all of the relevant types properly compute the "contains 
unexpanded parameter pack" bit and that the recursive AST visitor can
then find those unexpanded parameter packs.

llvm-svn: 121899
 2010-12-15 21:57:59 +00:00
Douglas Gregor 1da294a9d6 Introduce a RecursiveASTVisitor subclass that finds all unexpanded 
parameter packs within a statement, type, etc. Use this visitor to
provide improved diagnostics for the presence of unexpanded parameter
packs in a full expression, base type, declaration type, etc., by
highlighting the unexpanded parameter packs and providing their names,
e.g.,

test/CXX/temp/temp.decls/temp.variadic/p5.cpp:28:85: error: declaration type
      contains unexpanded parameter packs 'VeryInnerTypes',
      'OuterTypes', ...
  ...VeryInnerTypes, OuterTypes>, pair<InnerTypes, OuterTypes> > types;
     ~~~~~~~~~~~~~~  ~~~~~~~~~~        ~~~~~~~~~~  ~~~~~~~~~~    ^

llvm-svn: 121883
 2010-12-15 19:43:21 +00:00
Douglas Gregor b55fdf8c6f Move the work-in-progress implementation of variadic templates to its own file in Sema. No functionality change. 
llvm-svn: 121869
 2010-12-15 17:38:57 +00:00