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add mrb_mod_cv_defined and mrb_cv_defined

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skandhas
2012-12-23 15:25:24 +08:00
parent b42d17adb3
commit 9599381ae3
2 changed files with 22 additions and 0 deletions
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include/mruby/variable.h
+2
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@@ -59,6 +59,8 @@ mrb_value mrb_mod_cv_get(mrb_state *mrb, struct RClass * c, mrb_sym sym);
mrb_value mrb_cv_get(mrb_state *mrb, mrb_value mod, mrb_sym sym);
void mrb_mod_cv_set(mrb_state *mrb, struct RClass * c, mrb_sym sym, mrb_value v);
void mrb_cv_set(mrb_state *mrb, mrb_value mod, mrb_sym sym, mrb_value v);
int mrb_mod_cv_defined(mrb_state *mrb, struct RClass * c, mrb_sym sym);
int mrb_cv_defined(mrb_state *mrb, mrb_value mod, mrb_sym sym);
/* GC functions */
void mrb_gc_mark_gv(mrb_state*);
src/variable.c
+20
View File
@@ -730,6 +730,26 @@ mrb_cv_set(mrb_state *mrb, mrb_value mod, mrb_sym sym, mrb_value v)
mrb_mod_cv_set(mrb, mrb_class_ptr(mod), sym, v);
}
int
mrb_mod_cv_defined(mrb_state *mrb, struct RClass * c, mrb_sym sym)
{
while (c) {
if (c->iv) {
iv_tbl *t = c->iv;
if (iv_get(mrb, t, sym, NULL)) return TRUE;
}
c = c->super;
}
return FALSE;
}
int
mrb_cv_defined(mrb_state *mrb, mrb_value mod, mrb_sym sym)
{
return mrb_mod_cv_defined(mrb, mrb_class_ptr(mod), sym);
}
mrb_value
mrb_vm_cv_get(mrb_state *mrb, mrb_sym sym)
{