[Bug c++/44522] improve diagnostic for :: vs : typo

[froydnj at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44522

--- Comment #1 from Nathan Froyd <froydnj at gcc dot gnu.org> 2010-12-16 
01:36:13 UTC ---
Author: froydnj
Date: Thu Dec 16 01:36:09 2010
New Revision: 167895

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=167895
Log:
gcc/cp/
    PR c++/39859
    PR c++/44522
    PR c++/44523
    * parser.c (struct cp_parser): Add colon_corrects_to_scope_p field.
    (cp_parser_new): Initialize it.
    (cp_parser_nested_name_specifier_opt): Auto-correct colons to
    scopes if we are able to.
    (cp_parser_question_colon_clause): Disallow colon correction.
    (cp_parser_label_for_labeled_statement): Likewise.
    (cp_parser_range_for): Likewise.
    (cp_parser_enum_specifier): Likewise.
    (cp_parser_class_head): Likewise.
    (cp_parser_member_declaration): Likewise.

gcc/testsuite/
    PR c++/39859
    PR c++/44522
    PR c++/44523
    * g++.dg/parse/colon-autocorrect-1.C: New testcase.
    * g++.dg/parse/colon-autocorrect-2.C: New testcase.


Added:
    trunk/gcc/testsuite/g++.dg/parse/colon-autocorrect-1.C
    trunk/gcc/testsuite/g++.dg/parse/colon-autocorrect-2.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/parser.c
    trunk/gcc/testsuite/ChangeLog