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ruby-changes:31151

From: nagachika <ko1@a...>
Date: Thu, 10 Oct 2013 01:36:38 +0900 (JST)
Subject: [ruby-changes:31151] nagachika:r43230 (ruby_2_0_0): merge revision(s) 43208: [Backport #9003]

nagachika	2013-10-10 01:36:05 +0900 (Thu, 10 Oct 2013)

  New Revision: 43230

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=43230

  Log:
    merge revision(s) 43208: [Backport #9003]
    
    * compar.c (cmp_eq): fail if recursion.  [ruby-core:57736] [Bug #9003]
    
    * thread.c (rb_exec_recursive_paired_outer): new function which is
      combinnation of paired and outer variants.

  Modified directories:
    branches/ruby_2_0_0/
  Modified files:
    branches/ruby_2_0_0/ChangeLog
    branches/ruby_2_0_0/compar.c
    branches/ruby_2_0_0/include/ruby/intern.h
    branches/ruby_2_0_0/test/ruby/test_comparable.rb
    branches/ruby_2_0_0/thread.c
    branches/ruby_2_0_0/version.h
Index: ruby_2_0_0/include/ruby/intern.h
===================================================================
--- ruby_2_0_0/include/ruby/intern.h	(revision 43229)
+++ ruby_2_0_0/include/ruby/intern.h	(revision 43230)
@@ -426,6 +426,7 @@ void rb_thread_atfork_before_exec(void); https://github.com/ruby/ruby/blob/trunk/ruby_2_0_0/include/ruby/intern.h#L426
 VALUE rb_exec_recursive(VALUE(*)(VALUE, VALUE, int),VALUE,VALUE);
 VALUE rb_exec_recursive_paired(VALUE(*)(VALUE, VALUE, int),VALUE,VALUE,VALUE);
 VALUE rb_exec_recursive_outer(VALUE(*)(VALUE, VALUE, int),VALUE,VALUE);
+VALUE rb_exec_recursive_paired_outer(VALUE(*)(VALUE, VALUE, int),VALUE,VALUE,VALUE);
 /* dir.c */
 VALUE rb_dir_getwd(void);
 /* file.c */
Index: ruby_2_0_0/ChangeLog
===================================================================
--- ruby_2_0_0/ChangeLog	(revision 43229)
+++ ruby_2_0_0/ChangeLog	(revision 43230)
@@ -1,3 +1,10 @@ https://github.com/ruby/ruby/blob/trunk/ruby_2_0_0/ChangeLog#L1
+Thu Oct 10 01:14:37 2013  Nobuyoshi Nakada  <nobu@r...>
+
+	* compar.c (cmp_eq): fail if recursion.  [ruby-core:57736] [Bug #9003]
+
+	* thread.c (rb_exec_recursive_paired_outer): new function which is
+	  combinnation of paired and outer variants.
+
 Thu Oct 10 01:07:37 2013  Nobuyoshi Nakada  <nobu@r...>
 
 	* lib/tempfile.rb (Tempfile#unlink): finalizer is no longer needed
Index: ruby_2_0_0/thread.c
===================================================================
--- ruby_2_0_0/thread.c	(revision 43229)
+++ ruby_2_0_0/thread.c	(revision 43230)
@@ -4878,6 +4878,18 @@ rb_exec_recursive_outer(VALUE (*func) (V https://github.com/ruby/ruby/blob/trunk/ruby_2_0_0/thread.c#L4878
 }
 
 /*
+ * If recursion is detected on the current method, obj and paired_obj,
+ * the outermost func will be called with (obj, arg, Qtrue). All inner
+ * func will be short-circuited using throw.
+ */
+
+VALUE
+rb_exec_recursive_paired_outer(VALUE (*func) (VALUE, VALUE, int), VALUE obj, VALUE paired_obj, VALUE arg)
+{
+    return exec_recursive(func, obj, rb_obj_id(paired_obj), arg, 1);
+}
+
+/*
  *  call-seq:
  *     thr.backtrace	 -> array
  *
Index: ruby_2_0_0/compar.c
===================================================================
--- ruby_2_0_0/compar.c	(revision 43229)
+++ ruby_2_0_0/compar.c	(revision 43230)
@@ -52,9 +52,16 @@ rb_invcmp(VALUE x, VALUE y) https://github.com/ruby/ruby/blob/trunk/ruby_2_0_0/compar.c#L52
 }
 
 static VALUE
+cmp_eq_recursive(VALUE arg1, VALUE arg2, int recursive)
+{
+    if (recursive) return Qfalse;
+    return rb_funcall(arg1, cmp, 1, arg2);
+}
+
+static VALUE
 cmp_eq(VALUE *a)
 {
-    VALUE c = rb_funcall(a[0], cmp, 1, a[1]);
+    VALUE c = rb_exec_recursive_paired_outer(cmp_eq_recursive, a[0], a[1], a[1]);
 
     if (NIL_P(c)) return Qfalse;
     if (rb_cmpint(c, a[0], a[1]) == 0) return Qtrue;
Index: ruby_2_0_0/version.h
===================================================================
--- ruby_2_0_0/version.h	(revision 43229)
+++ ruby_2_0_0/version.h	(revision 43230)
@@ -1,6 +1,6 @@ https://github.com/ruby/ruby/blob/trunk/ruby_2_0_0/version.h#L1
 #define RUBY_VERSION "2.0.0"
 #define RUBY_RELEASE_DATE "2013-10-10"
-#define RUBY_PATCHLEVEL 333
+#define RUBY_PATCHLEVEL 334
 
 #define RUBY_RELEASE_YEAR 2013
 #define RUBY_RELEASE_MONTH 10
Index: ruby_2_0_0/test/ruby/test_comparable.rb
===================================================================
--- ruby_2_0_0/test/ruby/test_comparable.rb	(revision 43229)
+++ ruby_2_0_0/test/ruby/test_comparable.rb	(revision 43230)
@@ -76,4 +76,11 @@ class TestComparable < Test::Unit::TestC https://github.com/ruby/ruby/blob/trunk/ruby_2_0_0/test/ruby/test_comparable.rb#L76
       assert_nil(Time.new <=> "")
     }
   end
+
+  def test_no_cmp
+    bug9003 = '[ruby-core:57736] [Bug #9003]'
+    assert_nothing_raised(SystemStackError, bug9003) {
+      @o <=> @o.dup
+    }
+  end
 end

Property changes on: ruby_2_0_0
___________________________________________________________________
Modified: svn:mergeinfo
   Merged /trunk:r43208


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