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| author | Neil Booth <neil@daikokuya.demon.co.uk> | 2001-12-05 23:20:00 +0000 |
|---|---|---|
| committer | Neil Booth <neil@gcc.gnu.org> | 2001-12-05 23:20:00 +0000 |
| commit | 26f943fd3600236b05ab91a36f7ee8f1043c07af (patch) | |
| tree | e2ef9f427adfe62b09b758c20b2ffdb1802526ba /gcc/c-common.c | |
| parent | 8ca8f9a70b751319f7281564aa0ab0e93b3ef6e2 (diff) | |
| download | gcc-26f943fd3600236b05ab91a36f7ee8f1043c07af.zip gcc-26f943fd3600236b05ab91a36f7ee8f1043c07af.tar.gz gcc-26f943fd3600236b05ab91a36f7ee8f1043c07af.tar.bz2 | |
c-common.c (shadow_warning): New function, moved from cp/decl.c.
* c-common.c (shadow_warning): New function, moved from cp/decl.c.
* c-common.h (shadow_warning): New.
* c-decl.c: Include c-common.h.
(warn_if_shadowing): New, broken out of pushdecl.
(pushdecl): Use warn_if_shadowing.
(store_parm_decls): Prevent duplicate -Wshadow warnings.
cp:
* decl.c: Include c-common.h.
(shadow_warning): Move to c-common.c.
testsuite:
* gcc.dg/Wshadow-1.c: New test.
From-SVN: r47701
Diffstat (limited to 'gcc/c-common.c')
| -rw-r--r-- | gcc/c-common.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/c-common.c b/gcc/c-common.c index f5fc0d3..29bb059 100644 --- a/gcc/c-common.c +++ b/gcc/c-common.c @@ -4017,3 +4017,17 @@ c_common_insert_default_attributes (decl) #undef DEF_ATTR_TREE_LIST #undef DEF_FN_ATTR } + +/* Output a -Wshadow warning MSGID about NAME, an IDENTIFIER_NODE, and + additionally give the location of the previous declaration DECL. */ +void +shadow_warning (msgid, name, decl) + const char *msgid; + tree name, decl; +{ + warning ("declaration of `%s' shadows %s", IDENTIFIER_POINTER (name), msgid); + warning_with_file_and_line (DECL_SOURCE_FILE (decl), + DECL_SOURCE_LINE (decl), + "shadowed declaration is here"); +} + |