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ruby-changes:40241

From: nobu <ko1@a...>
Date: Wed, 28 Oct 2015 15:36:21 +0900 (JST)
Subject: [ruby-changes:40241] nobu:r52322 (trunk): error.c: receiver in NameError

nobu	2015-10-28 15:36:13 +0900 (Wed, 28 Oct 2015)

  New Revision: 52322

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=52322

  Log:
    error.c: receiver in NameError
    
    * error.c (rb_name_err_new): store the receiver directly.
    * error.c (name_err_receiver): return directly stored receiver.
      [Feature #10881]

  Modified files:
    trunk/ChangeLog
    trunk/error.c
    trunk/internal.h
    trunk/variable.c
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 52321)
+++ ChangeLog	(revision 52322)
@@ -1,4 +1,9 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
-Wed Oct 28 15:24:09 2015  Nobuyoshi Nakada  <nobu@r...>
+Wed Oct 28 15:36:11 2015  Nobuyoshi Nakada  <nobu@r...>
+
+	* error.c (rb_name_err_new): store the receiver directly.
+
+	* error.c (name_err_receiver): return directly stored receiver.
+	  [Feature #10881]
 
 	* error.c (name_err_mesg_to_str): quote the name if unprintable.
 
Index: variable.c
===================================================================
--- variable.c	(revision 52321)
+++ variable.c	(revision 52322)
@@ -1224,7 +1224,7 @@ gen_ivtbl_count(const struct gen_ivtbl * https://github.com/ruby/ruby/blob/trunk/variable.c#L1224
     return n;
 }
 
-static VALUE
+VALUE
 rb_ivar_lookup(VALUE obj, ID id, VALUE undef)
 {
     VALUE val, *ptr;
Index: error.c
===================================================================
--- error.c	(revision 52321)
+++ error.c	(revision 52322)
@@ -662,6 +662,7 @@ static VALUE rb_eNOERROR; https://github.com/ruby/ruby/blob/trunk/error.c#L662
 
 static ID id_new, id_cause, id_message, id_backtrace;
 static ID id_name, id_args, id_Errno, id_errno, id_i_path;
+static ID id_receiver;
 extern ID ruby_static_id_status;
 #define id_bt idBt
 #define id_bt_locations idBt_locations
@@ -1196,6 +1197,7 @@ rb_name_err_new(VALUE mesg, VALUE recv, https://github.com/ruby/ruby/blob/trunk/error.c#L1197
     rb_ivar_set(exc, id_mesg, rb_name_err_mesg_new(mesg, recv, method));
     rb_ivar_set(exc, id_bt, Qnil);
     rb_ivar_set(exc, id_name, method);
+    rb_ivar_set(exc, id_receiver, recv);
     return exc;
 }
 
@@ -1297,8 +1299,12 @@ name_err_mesg_load(VALUE klass, VALUE st https://github.com/ruby/ruby/blob/trunk/error.c#L1299
 static VALUE
 name_err_receiver(VALUE self)
 {
-    VALUE *ptr, mesg = rb_attr_get(self, id_mesg);
+    VALUE *ptr, recv, mesg;
 
+    recv = rb_ivar_lookup(self, id_receiver, Qundef);
+    if (recv != Qundef) return recv;
+
+    mesg = rb_attr_get(self, id_mesg);
     if (!rb_typeddata_is_kind_of(mesg, &name_err_mesg_data_type)) {
 	rb_raise(rb_eArgError, "no receiver is available");
     }
@@ -1969,6 +1975,7 @@ Init_Exception(void) https://github.com/ruby/ruby/blob/trunk/error.c#L1975
     id_backtrace = rb_intern_const("backtrace");
     id_name = rb_intern_const("name");
     id_args = rb_intern_const("args");
+    id_receiver = rb_intern_const("receiver");
     id_Errno = rb_intern_const("Errno");
     id_errno = rb_intern_const("errno");
     id_i_path = rb_intern_const("@path");
Index: internal.h
===================================================================
--- internal.h	(revision 52321)
+++ internal.h	(revision 52322)
@@ -1163,6 +1163,7 @@ extern rb_encoding OnigEncodingUTF_8; https://github.com/ruby/ruby/blob/trunk/internal.h#L1163
 size_t rb_generic_ivar_memsize(VALUE);
 VALUE rb_search_class_path(VALUE);
 VALUE rb_attr_delete(VALUE, ID);
+VALUE rb_ivar_lookup(VALUE obj, ID id, VALUE undef);
 
 /* version.c */
 extern VALUE ruby_engine_name;

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