iter_break.diff - Ruby - Ruby Issue Tracking System

     #include <ruby.h>
     static VALUE
     iter_break_value(VALUE self, VALUE val)
+    {
         rb_iter_break_value(val);
         return self;		/* not reached */
+    }
     void
     Init_break(void)
+    {
         VALUE breakable = rb_define_module_under(rb_define_module("Bug"), "Breakable");
         rb_define_module_function(breakable, "iter_break", iter_break_value, 1);
+    }

i/ext/-test-/iter/extconf.rb
		create_makefile("-test-/iter/break")

i/include/ruby/ruby.h
		NORETURN(void rb_sys_fail(const char*));
		NORETURN(void rb_mod_sys_fail(VALUE, const char*));
		NORETURN(void rb_iter_break(void));
		NORETURN(void rb_iter_break_value(VALUE));
		NORETURN(void rb_exit(int));
		NORETURN(void rb_notimplement(void));
		VALUE rb_syserr_new(int, const char *);

     require 'test/unit'
     require '-test-/iter/break'
     class TestIterBreak < Test::Unit::TestCase
       def test_iter_break
         assert_equal(42, 1.times{Bug::Breakable.iter_break(42)})
       end
     end

         JUMP_TAG(state);
+    }
     NORETURN(static void vm_iter_break(rb_thread_t *th));
     NORETURN(static void vm_iter_break(rb_thread_t *th, VALUE val));
     static void
     vm_iter_break(rb_thread_t *th)
     vm_iter_break(rb_thread_t *th, VALUE val)
+    {
         rb_control_frame_t *cfp = th->cfp;
         VALUE *dfp = GC_GUARDED_PTR_REF(*cfp->dfp);
         th->state = TAG_BREAK;
         th->errinfo = (VALUE)NEW_THROW_OBJECT(Qnil, (VALUE)dfp, TAG_BREAK);
         th->errinfo = (VALUE)NEW_THROW_OBJECT(val, (VALUE)dfp, TAG_BREAK);
         TH_JUMP_TAG(th, TAG_BREAK);
+    }
     void
     rb_iter_break(void)
+    {
         vm_iter_break(GET_THREAD());
         vm_iter_break(GET_THREAD(), Qnil);
+    }
     void
     rb_iter_break_value(VALUE val)
+    {
         vm_iter_break(GET_THREAD(), val);
+    }
     /* optimization: redefine management */
-...
     #endif
+    			}
     			th->errinfo = Qnil;
     			th->state = 0;
     			goto vm_loop_start;
+    		    }
+    		}

Ruby