C++ FE: offer suggestions for misspelled field names
gcc/c/ChangeLog:
* c-typeck.c (lookup_field_fuzzy): Move determination of closest
candidate into a new function, find_closest_identifier.
gcc/cp/ChangeLog:
* cp-tree.h (lookup_member_fuzzy): New decl.
* search.c: Include spellcheck.h.
(class lookup_field_fuzzy_info): New class.
(lookup_field_fuzzy_info::fuzzy_lookup_fnfields): New.
(lookup_field_fuzzy_info::fuzzy_lookup_field): New.
(lookup_field_fuzzy_r): New.
(lookup_member_fuzzy): New.
* typeck.c (finish_class_member_access_expr): When issuing
a "has no member named" error, call lookup_member_fuzzy, and
offer any result as a suggestion.
gcc/ChangeLog:
* spellcheck-tree.c (find_closest_identifier): New function, taken
from c/c-typeck.c:lookup_field_fuzzy, with NULL corrected to
NULL_TREE in two places.
* spellcheck.h (find_closest_identifier): New decl.
gcc/testsuite/ChangeLog:
* g++.dg/spellcheck-fields.C: New file.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@230638 138bc75d-0d04-0410-961f-82ee72b054a4