On 09/15/2010 11:32 AM, g...@raphael.poss.name wrote:
> Hi all,
>
> the page at http://gcc.gnu.org/projects/cxx0x.html suggests that g++ 4.6
> supports range-based "for"
> (http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2009/n2930.html);
> however it appears that the construct is actually not recognized in 4.6,
> and I could find no support for it in gcc/cp/parser.c no cp-tree.def.
>
Evidently you don't have a current tree. This is the top of the current
cp/ChangeLog
2010-09-13 Rodrigo Rivas Costa <rodrigorivasco...@gmail.com>
* semantics.c (finish_for_stmt): Always test flag_new_for_scope.
(begin_range_for_stmt): Likewise.
2010-09-11 Rodrigo Rivas <rodrigorivasco...@gmail.com>
Implement range-based for-statements.
* cp-tree.def (RANGE_FOR_STMT): New.
* cp-tree.h (RANGE_FOR_DECL, RANGE_FOR_EXPR, RANGE_FOR_BODY): New.
(cp_convert_range_for): Declare.
* pt.c (tsubst_expr): Add RANGE_FOR_STMT.
(tsubst_copy_and_build): perform_koenig_lookup takes extra argument.
* semantics.c (begin_range_for_stmt): New.
(finish_range_for_decl): New.
(finish_for_stmt): Accept also RANGE_FOR_STMT.
(perform_koenig_lookup): Add extra argument include_std.
* parser.c (cp_parser_c_for): New with code from
cp_parser_iteration_statement().
(cp_parser_range_for): New.
(cp_convert_range_for): New.
(cp_parser_iteration_statement): Add range-for support.
(cp_parser_condition): Adjust comment.
(cp_parser_postfix_expression): perform_koenig_lookup takes extra
argument.
* dump.c (cp_dump_tree): Add RANGE_FOR_STMT.
* cxx-pretty-print.c: Likewise.
* lex.c (cxx_init): Likewise.
* name-lookup.c (lookup_function_nonclass): Add extra argument
include_std.
(lookup_arg_dependent): Likewise.
* name-lookup.h: Likewise.
