From 824bacbee4beea7755e815a4aa733cb05f95268b Mon Sep 17 00:00:00 2001
From: skandhas <skandhas@163.com>
Date: Fri, 21 Dec 2012 14:22:35 +0800
Subject: add mrb_mod_cv_set, mrb_cv_set

---
 include/mruby/variable.h |  2 ++
 src/variable.c           | 28 ++++++++++++++++++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/include/mruby/variable.h b/include/mruby/variable.h
index 8754e8a90..9f4a62317 100644
--- a/include/mruby/variable.h
+++ b/include/mruby/variable.h
@@ -57,6 +57,8 @@ mrb_sym mrb_class_sym(mrb_state *mrb, struct RClass *c, struct RClass *outer);
 mrb_value mrb_mod_class_variables(mrb_state*, mrb_value);
 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);
 
 /* GC functions */
 void mrb_gc_mark_gv(mrb_state*);
diff --git a/src/variable.c b/src/variable.c
index 147373bd4..57a193109 100644
--- a/src/variable.c
+++ b/src/variable.c
@@ -695,6 +695,34 @@ mrb_cv_get(mrb_state *mrb, mrb_value mod, mrb_sym sym)
   return mrb_mod_cv_get(mrb, mrb_class_ptr(mod), sym);
 }
 
+void
+mrb_mod_cv_set(mrb_state *mrb, struct RClass * c, mrb_sym sym, mrb_value v)
+{
+  while (c) {
+    if (c->iv) {
+      iv_tbl *t = c->iv;
+
+      if (iv_get(mrb, t, sym, NULL)) {
+        iv_put(mrb, t, sym, v);
+        return;
+      }
+    }
+    c = c->super;
+  }
+
+  if (!c->iv) {
+    c->iv = iv_new(mrb);
+  }
+
+  iv_put(mrb, c->iv, sym, v);
+}
+
+void
+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);
+}
+
 mrb_value
 mrb_vm_cv_get(mrb_state *mrb, mrb_sym sym)
 {
-- 
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