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r237714 - in /trunk/gcc: ChangeLog c-family/Cha...
- From: dmalcolm at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Wed, 22 Jun 2016 15:20:42 -0000
- Subject: r237714 - in /trunk/gcc: ChangeLog c-family/Cha...
Author: dmalcolm
Date: Wed Jun 22 15:20:41 2016
New Revision: 237714
URL: https://gcc.gnu.org/viewcvs?rev=237714&root=gcc&view=rev
Log:
C FE: suggest corrections for misspelled identifiers and type names
gcc/c-family/ChangeLog:
PR c/70339
* c-common.h (enum lookup_name_fuzzy_kind): New enum.
(lookup_name_fuzzy): New prototype.
gcc/c/ChangeLog:
PR c/70339
* c-decl.c: Include spellcheck-tree.h and gcc-rich-location.h.
(implicit_decl_warning): When issuing warnings for implicit
declarations, attempt to provide a suggestion via
lookup_name_fuzzy.
(undeclared_variable): Likewise when issuing errors.
(lookup_name_in_scope): Likewise.
(struct edit_distance_traits<cpp_hashnode *>): New struct.
(best_macro_match): New typedef.
(find_closest_macro_cpp_cb): New function.
(lookup_name_fuzzy): New function.
* c-parser.c: Include gcc-rich-location.h.
(c_token_starts_typename): Split out case CPP_KEYWORD into...
(c_keyword_starts_typename): ...this new function.
(c_parser_declaration_or_fndef): When issuing errors about
missing "struct" etc, add a fixit. For other kinds of errors,
attempt to provide a suggestion via lookup_name_fuzzy.
(c_parser_parms_declarator): When looking ahead to detect typos in
type names, also reject CPP_KEYWORD.
(c_parser_parameter_declaration): When issuing errors about
unknown type names, attempt to provide a suggestion via
lookup_name_fuzzy.
* c-tree.h (c_keyword_starts_typename): New prototype.
gcc/ChangeLog:
PR c/70339
* diagnostic-core.h (pedwarn_at_rich_loc): New prototype.
* diagnostic.c (pedwarn_at_rich_loc): New function.
* spellcheck.h (best_match::best_match): Add a
"best_distance_so_far" optional parameter.
(best_match::set_best_so_far): New method.
(best_match::get_best_distance): New accessor.
(best_match::get_best_candidate_length): New accessor.
gcc/testsuite/ChangeLog:
PR c/70339
* c-c++-common/attributes-1.c: Update dg-prune-output to include
hint.
* gcc.dg/diagnostic-token-ranges.c (undeclared_identifier): Update
expected results due to builtin "nanl" now being suggested for
"name".
* gcc.dg/pr67580.c: Update expected messages.
* gcc.dg/spellcheck-identifiers.c: New testcase.
* gcc.dg/spellcheck-typenames.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/spellcheck-identifiers.c
trunk/gcc/testsuite/gcc.dg/spellcheck-typenames.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/c-family/ChangeLog
trunk/gcc/c-family/c-common.h
trunk/gcc/c/ChangeLog
trunk/gcc/c/c-decl.c
trunk/gcc/c/c-parser.c
trunk/gcc/c/c-tree.h
trunk/gcc/diagnostic-core.h
trunk/gcc/diagnostic.c
trunk/gcc/spellcheck.h
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/c-c++-common/attributes-1.c
trunk/gcc/testsuite/gcc.dg/diagnostic-token-ranges.c
trunk/gcc/testsuite/gcc.dg/pr67580.c