* proc.c: enable optimization of Proc#call.

[Feature #11569]
* NEWS: write about this optimization and incompatibilities.
* test/ruby/test_backtrace.rb: catch up this fix.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52050 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,12 @@
+Tue Oct  6 06:32:52 2015  Koichi Sasada  <ko1@atdot.net>
+
+	* proc.c: enable optimization of Proc#call.
+	  [Feature #11569]
+
+	* NEWS: write about this optimization and incompatibilities.
+
+	* test/ruby/test_backtrace.rb: catch up this fix.
+
 Tue Oct  6 04:41:03 2015  Koichi Sasada  <ko1@atdot.net>
 
 	* vm_insnhelper.c: solve goto spaghetti.

NEWS

@@ -65,6 +65,12 @@ with all sufficient information, see the ChangeLog file.
     true when the receiver is positive and negative respectively.
     [Feature #11151]
 
+* Proc
+
+  * Proc#call (and also #[], #===, #yield) are optimized.
+    Backtrace doesn't show each methods (show block lines directly).
+    TracePoint also ignore these calls. [Feature #11569]
+
 * Thread
   * Thread#name, Thread#name= are added to handle thread names [Feature #11251]
 

proc.c

@@ -733,7 +733,7 @@ rb_block_clear_env_self(VALUE proc)
  *     	from prog.rb:5:in `<main>'
  *
  */
-
+#if 0
 static VALUE
 proc_call(int argc, VALUE *argv, VALUE procval)
 {
@@ -759,6 +759,7 @@ proc_call(int argc, VALUE *argv, VALUE procval)
     RB_GC_GUARD(passed_procval);
     return vret;
 }
+#endif
 
 #if SIZEOF_LONG > SIZEOF_INT
 static inline int
@@ -2803,7 +2804,6 @@ Init_Proc(void)
     rb_undef_alloc_func(rb_cProc);
     rb_define_singleton_method(rb_cProc, "new", rb_proc_s_new, -1);
 
-#if 0 /* incomplete. */
     rb_add_method(rb_cProc, rb_intern("call"), VM_METHOD_TYPE_OPTIMIZED,
 		  (void *)OPTIMIZED_METHOD_TYPE_CALL, 0);
     rb_add_method(rb_cProc, rb_intern("[]"), VM_METHOD_TYPE_OPTIMIZED,
@@ -2812,12 +2812,7 @@ Init_Proc(void)
 		  (void *)OPTIMIZED_METHOD_TYPE_CALL, 0);
     rb_add_method(rb_cProc, rb_intern("yield"), VM_METHOD_TYPE_OPTIMIZED,
 		  (void *)OPTIMIZED_METHOD_TYPE_CALL, 0);
-#else
+
-    rb_define_method(rb_cProc, "call", proc_call, -1);
-    rb_define_method(rb_cProc, "[]", proc_call, -1);
-    rb_define_method(rb_cProc, "===", proc_call, -1);
-    rb_define_method(rb_cProc, "yield", proc_call, -1);
-#endif
     rb_define_method(rb_cProc, "to_proc", proc_to_proc, 0);
     rb_define_method(rb_cProc, "arity", proc_arity, 0);
     rb_define_method(rb_cProc, "clone", proc_clone, 0);

test/ruby/test_backtrace.rb

@@ -79,10 +79,10 @@ class TestBacktrace < Test::Unit::TestCase
         cs << caller(5)
       }.call
     }.resume
-    assert_equal(3, cs[0].size)
+    assert_equal(2, cs[0].size)
-    assert_equal(2, cs[1].size)
+    assert_equal(1, cs[1].size)
-    assert_equal(1, cs[2].size)
+    assert_equal(0, cs[2].size)
-    assert_equal(0, cs[3].size)
+    assert_equal(nil, cs[3])
     assert_equal(nil, cs[4])
 
     #