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[Feature #20293] Add Warning.categories

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Nobuyoshi Nakada 2024-02-22 22:25:12 +09:00
parent f36a71e269
commit 1ad366134d
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3 changed files with 26 additions and 2 deletions
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21
error.c
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@ -252,6 +252,26 @@ rb_warning_s_aset(VALUE mod, VALUE category, VALUE flag)
return flag;
}
/*
* call-seq:
* categories -> array
*
* Returns a list of the supported category symbols.
*/
static VALUE
rb_warning_s_categories(VALUE mod)
{
st_index_t num = warning_categories.id2enum->num_entries;
ID *ids = ALLOCA_N(ID, num);
num = st_keys(warning_categories.id2enum, ids, num);
VALUE ary = rb_ary_new_capa(num);
for (st_index_t i = 0; i < num; ++i) {
rb_ary_push(ary, ID2SYM(ids[i]));
}
return rb_ary_freeze(ary);
}
/*
* call-seq:
* warn(msg, category: nil) -> nil
@ -3413,6 +3433,7 @@ Init_Exception(void)
rb_mWarning = rb_define_module("Warning");
rb_define_singleton_method(rb_mWarning, "[]", rb_warning_s_aref, 1);
rb_define_singleton_method(rb_mWarning, "[]=", rb_warning_s_aset, 2);
rb_define_singleton_method(rb_mWarning, "categories", rb_warning_s_categories, 0);
rb_define_method(rb_mWarning, "warn", rb_warning_s_warn, -1);
rb_extend_object(rb_mWarning, rb_mWarning);