From 9d1f9bd56ba2f47b7b964f261fc39a1a00c9e697 Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 16 Jun 2004 14:21:34 +0000
Subject: * eval.c (rb_mod_freeze): prepare string representation before  
 freezing. [ruby-talk:103646]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6469 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 object.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'object.c')

diff --git a/object.c b/object.c
index f2c8c5f522..c3554b38f0 100644
--- a/object.c
+++ b/object.c
@@ -1213,6 +1213,21 @@ rb_mod_to_s(klass)
     return rb_str_dup(rb_class_name(klass));
 }
 
+/*
+ *  call-seq:
+ *     mod.freeze
+ *  
+ *  Prevents further modifications to <i>mod</i>.
+ */
+
+static VALUE
+rb_mod_freeze(mod)
+    VALUE mod;
+{
+    rb_mod_to_s(mod);
+    return rb_obj_freeze(mod);
+}
+
 /*
  *  call-seq:
  *     mod === obj    => true or false
@@ -2597,6 +2612,7 @@ Init_Object()
     rb_define_method(rb_cSymbol, "id2name", sym_to_s, 0);
     rb_define_method(rb_cSymbol, "to_sym", sym_to_sym, 0);
 
+    rb_define_method(rb_cModule, "freeze", rb_mod_freeze, 0);
     rb_define_method(rb_cModule, "===", rb_mod_eqq, 1);
     rb_define_method(rb_cModule, "==", rb_obj_equal, 1);
     rb_define_method(rb_cModule, "<=>",  rb_mod_cmp, 1);
-- 
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