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C: fix-it hint for removing stray semicolons

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gcc/c/ChangeLog:
	* c-parser.c (c_parser_struct_or_union_specifier): Add fix-it
	hint for removing extra semicolon.

gcc/testsuite/ChangeLog:
	* gcc.dg/semicolon-fixits.c: New test case.

From-SVN: r247243
This commit is contained in:
David Malcolm 2017-04-25 14:03:55 +00:00 committed by David Malcolm
parent e0666fc62f
commit 1c4ea66f24
4 changed files with 33 additions and 2 deletions
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5
gcc/c/ChangeLog
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@ -1,3 +1,8 @@
2017-04-25 David Malcolm <dmalcolm@redhat.com>
* c-parser.c (c_parser_struct_or_union_specifier): Add fix-it
hint for removing extra semicolon.
2017-04-21 Jakub Jelinek <jakub@redhat.com> 2017-04-21 Jakub Jelinek <jakub@redhat.com>
PR c/80468 PR c/80468

9
gcc/c/c-parser.c
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@ -2948,8 +2948,13 @@ c_parser_struct_or_union_specifier (c_parser *parser)
/* Parse any stray semicolon. */ /* Parse any stray semicolon. */
if (c_parser_next_token_is (parser, CPP_SEMICOLON)) if (c_parser_next_token_is (parser, CPP_SEMICOLON))
{ {
pedwarn (c_parser_peek_token (parser)->location, OPT_Wpedantic, location_t semicolon_loc
"extra semicolon in struct or union specified"); = c_parser_peek_token (parser)->location;
gcc_rich_location richloc (semicolon_loc);
richloc.add_fixit_remove ();
pedwarn_at_rich_loc
(&richloc, OPT_Wpedantic,
"extra semicolon in struct or union specified");
c_parser_consume_token (parser); c_parser_consume_token (parser);
continue; continue;
} }

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2017-04-25 David Malcolm <dmalcolm@redhat.com>
* gcc.dg/semicolon-fixits.c: New test case.
2017-04-25 David Malcolm <dmalcolm@redhat.com> 2017-04-25 David Malcolm <dmalcolm@redhat.com>
* g++.dg/lookup/missing-std-include.C: New test file. * g++.dg/lookup/missing-std-include.C: New test file.

17
gcc/testsuite/gcc.dg/semicolon-fixits.c Normal file
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@ -0,0 +1,17 @@
/* { dg-options "-fdiagnostics-show-caret -Wpedantic" } */
/* Struct with extra semicolon. */
struct s1 { int i;; }; /* { dg-warning "19: extra semicolon in struct or union specified" } */
/* { dg-begin-multiline-output "" }
struct s1 { int i;; };
^
-
{ dg-end-multiline-output "" } */
/* Union with extra semicolon. */
union u1 { int i;; }; /* { dg-warning "18: extra semicolon in struct or union specified" } */
/* { dg-begin-multiline-output "" }
union u1 { int i;; };
^
-
{ dg-end-multiline-output "" } */