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author | Joseph Myers <joseph@codesourcery.com> | 2010-11-12 23:30:42 +0000 |
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committer | Joseph Myers <jsm28@gcc.gnu.org> | 2010-11-12 23:30:42 +0000 |
commit | c5fa0890a2a879bc6c240e83ff67036ca46e1a8d (patch) | |
tree | ae26a7e8a2fcd55cebd323ad5e45623c076f18d3 /gcc/opts-common.c | |
parent | a4d8c676006f3b672af5088f52160e762aa7a197 (diff) | |
download | gcc-c5fa0890a2a879bc6c240e83ff67036ca46e1a8d.zip gcc-c5fa0890a2a879bc6c240e83ff67036ca46e1a8d.tar.gz gcc-c5fa0890a2a879bc6c240e83ff67036ca46e1a8d.tar.bz2 |
opts-common.c (control_warning_option): New.
* opts-common.c (control_warning_option): New.
* opts.c (set_default_handlers): New.
(decode_options): Use set_default_handlers and
control_warning_option.
(common_handle_option): Update call to enable_warning_as_error.
(enable_warning_as_error): Take gcc_options parameters. Use
control_warning_option.
* opts.h (set_default_handlers, control_warning_option): Declare.
c-family:
* c-common.h (c_family_lang_mask): Declare.
* c-opts.c (c_family_lang_mask): Make extern.
* c-pragma.c (handle_pragma_diagnostic): Use
control_warning_option.
testsuite:
* gcc.dg/pragma-diag-2.c: New test.
From-SVN: r166689
Diffstat (limited to 'gcc/opts-common.c')
-rw-r--r-- | gcc/opts-common.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/gcc/opts-common.c b/gcc/opts-common.c index c114d4e..cc20410 100644 --- a/gcc/opts-common.c +++ b/gcc/opts-common.c @@ -977,3 +977,34 @@ option_flag_var (int opt_index, struct gcc_options *opts) return NULL; return (void *)(((char *) opts) + option->flag_var_offset); } + +/* Set a warning option OPT_INDEX (language mask LANG_MASK, option + handlers HANDLERS) to have diagnostic kind KIND for option + structures OPTS and OPTS_SET and diagnostic context DC (possibly + NULL), at location LOC (UNKNOWN_LOCATION for -Werror=). If IMPLY, + the warning option in question is implied at this point. This is + used by -Werror= and #pragma GCC diagnostic. */ + +void +control_warning_option (unsigned int opt_index, int kind, bool imply, + location_t loc, unsigned int lang_mask, + const struct cl_option_handlers *handlers, + struct gcc_options *opts, + struct gcc_options *opts_set, + diagnostic_context *dc) +{ + if (cl_options[opt_index].alias_target != N_OPTS) + opt_index = cl_options[opt_index].alias_target; + if (opt_index == OPT_SPECIAL_ignore) + return; + if (dc) + diagnostic_classify_diagnostic (dc, opt_index, (diagnostic_t) kind, loc); + if (imply) + { + /* -Werror=foo implies -Wfoo. */ + if (cl_options[opt_index].var_type == CLVC_BOOLEAN) + handle_generated_option (opts, opts_set, + opt_index, NULL, 1, lang_mask, + kind, loc, handlers, dc); + } +} |