nobu	2018-12-03 13:44:33 +0900 (Mon, 03 Dec 2018)

  New Revision: 66150

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=66150

  Log:
    Revert "Symbol refinements [Bug #15114]"

  Modified files:
    trunk/method.h
    trunk/test/ruby/test_symbol.rb
    trunk/vm_args.c
    trunk/vm_method.c
Index: vm_args.c
===================================================================
--- vm_args.c	(revision 66149)
+++ vm_args.c	(revision 66150)
@@ -851,17 +851,13 @@ refine_sym_proc_call(RB_BLOCK_CALL_FUNC_ https://github.com/ruby/ruby/blob/trunk/vm_args.c#L851
     ID mid;
     const rb_callable_method_entry_t *me;
     rb_execution_context_t *ec;
-    const VALUE symbol = RARRAY_AREF(callback_arg, 0);
-    const VALUE refinements = RARRAY_AREF(callback_arg, 1);
 
     if (argc-- < 1) {
 	rb_raise(rb_eArgError, "no receiver given");
     }
     obj = *argv++;
-
-    mid = SYM2ID(symbol);
-    me = rb_resolve_refined_method_callable(refinements, (const rb_callable_method_entry_t *)rb_method_entry(CLASS_OF(obj), mid));
-
+    mid = SYM2ID(callback_arg);
+    me = rb_callable_method_entry_with_refinements(CLASS_OF(obj), mid, NULL);
     ec = GET_EC();
     if (!NIL_P(blockarg)) {
 	vm_passed_block_handler_set(ec, blockarg);
@@ -889,8 +885,12 @@ vm_caller_setup_arg_block(const rb_execu https://github.com/ruby/ruby/blob/trunk/vm_args.c#L885
 	    const rb_cref_t *cref = vm_env_cref(reg_cfp->ep);
 	    if (cref && !NIL_P(cref->refinements)) {
 		VALUE ref = cref->refinements;
-		VALUE callback_arg = rb_ary_new_from_args(2, block_code, ref);
-		VALUE func = rb_func_proc_new(refine_sym_proc_call, callback_arg);
+		VALUE func = rb_hash_lookup(ref, block_code);
+		if (NIL_P(func)) {
+		    /* TODO: limit cached funcs */
+		    func = rb_func_proc_new(refine_sym_proc_call, block_code);
+		    rb_hash_aset(ref, block_code, func);
+		}
 		block_code = func;
 	    }
             return block_code;
Index: vm_method.c
===================================================================
--- vm_method.c	(revision 66149)
+++ vm_method.c	(revision 66150)
@@ -967,7 +967,7 @@ rb_resolve_refined_method(VALUE refineme https://github.com/ruby/ruby/blob/trunk/vm_method.c#L967
     return resolve_refined_method(refinements, me, NULL);
 }
 
-const rb_callable_method_entry_t *
+static const rb_callable_method_entry_t *
 rb_resolve_refined_method_callable(VALUE refinements, const rb_callable_method_entry_t *me)
 {
     VALUE defined_class = me->defined_class;
Index: test/ruby/test_symbol.rb
===================================================================
--- test/ruby/test_symbol.rb	(revision 66149)
+++ test/ruby/test_symbol.rb	(revision 66150)
@@ -161,32 +161,6 @@ class TestSymbol < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_symbol.rb#L161
     assert_equal(1, first, bug11594)
   end
 
-  class TestToPRocArgWithRefinements; end
-  def _test_to_proc_arg_with_refinements_call(&block)
-    block.call TestToPRocArgWithRefinements.new
-  end
-  using Module.new {
-    refine TestToPRocArgWithRefinements do
-      def hoge
-        :hoge
-      end
-    end
-  }
-  def test_to_proc_arg_with_refinements
-    assert_equal(:hoge, _test_to_proc_arg_with_refinements_call(&:hoge))
-  end
-
-  using Module.new {
-    refine TestToPRocArgWithRefinements do
-      def hoge
-        :hogehoge
-      end
-    end
-  }
-  def test_to_proc_arg_with_refinements_override
-    assert_equal(:hogehoge, _test_to_proc_arg_with_refinements_call(&:hoge))
-  end
-
   private def return_from_proc
     Proc.new { return 1 }.tap(&:call)
   end
Index: method.h
===================================================================
--- method.h	(revision 66149)
+++ method.h	(revision 66150)
@@ -199,7 +199,6 @@ const rb_method_entry_t *rb_method_entry https://github.com/ruby/ruby/blob/trunk/method.h#L199
 const rb_method_entry_t *rb_method_entry_without_refinements(VALUE klass, ID id, VALUE *defined_class);
 const rb_method_entry_t *rb_resolve_refined_method(VALUE refinements, const rb_method_entry_t *me);
 RUBY_SYMBOL_EXPORT_BEGIN
-const rb_callable_method_entry_t *rb_resolve_refined_method_callable(VALUE refinements, const rb_callable_method_entry_t *me);
 const rb_method_entry_t *rb_resolve_me_location(const rb_method_entry_t *, VALUE[5]);
 RUBY_SYMBOL_EXPORT_END
 

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