aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--ChangeLog7
-rw-r--r--test/ruby/test_defined.rb15
-rw-r--r--vm_insnhelper.c27
3 files changed, 42 insertions, 7 deletions
diff --git a/ChangeLog b/ChangeLog
index fd22c4ddae..796601346e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Wed Jun 3 04:48:05 2015 Koichi Sasada <ko1@atdot.net>
+
+ * vm_insnhelper.c (vm_defined): check respond_to_missing?
+ at defined?(func()).
+
+ * test/ruby/test_defined.rb: add a test for this fix.
+
Wed Jun 3 04:34:39 2015 Koichi Sasada <ko1@atdot.net>
* vm_insnhelper.c (vm_defined): skip respond_to_missing? when
diff --git a/test/ruby/test_defined.rb b/test/ruby/test_defined.rb
index 64757615ec..95a46ed984 100644
--- a/test/ruby/test_defined.rb
+++ b/test/ruby/test_defined.rb
@@ -223,6 +223,14 @@ class TestDefined < Test::Unit::TestCase
def existing_method
end
+
+ def func_defined_existing_func
+ defined?(existing_method())
+ end
+
+ def func_defined_non_existing_func
+ defined?(non_existing_method())
+ end
end
def test_method_by_respond_to_missing
@@ -232,5 +240,12 @@ class TestDefined < Test::Unit::TestCase
assert_equal(false, obj.called, bug_11211)
assert_equal(nil, defined?(obj.non_existing_method), bug_11211)
assert_equal(true, obj.called, bug_11211)
+
+ bug_11212 = '[Bug #11212]'
+ obj = ExampleRespondToMissing.new
+ assert_equal("method", obj.func_defined_existing_func, bug_11212)
+ assert_equal(false, obj.called, bug_11212)
+ assert_equal(nil, obj.func_defined_non_existing_func, bug_11212)
+ assert_equal(true, obj.called, bug_11212)
end
end
diff --git a/vm_insnhelper.c b/vm_insnhelper.c
index 619de32dce..eba27f42cc 100644
--- a/vm_insnhelper.c
+++ b/vm_insnhelper.c
@@ -2409,6 +2409,22 @@ FUNC_FASTCALL(rb_vm_opt_struct_aset)(rb_thread_t *th, rb_control_frame_t *reg_cf
/* defined insn */
+static enum defined_type
+check_resopnd_to_missing(VALUE obj, VALUE v)
+{
+ VALUE args[2];
+ VALUE r;
+
+ args[0] = obj; args[1] = Qfalse;
+ r = rb_check_funcall(v, idRespond_to_missing, 2, args);
+ if (r != Qundef && RTEST(r)) {
+ return DEFINED_METHOD;
+ }
+ else {
+ return 0;
+ }
+}
+
static VALUE
vm_defined(rb_thread_t *th, rb_control_frame_t *reg_cfp, rb_num_t op_type, VALUE obj, VALUE needstr, VALUE v)
{
@@ -2449,6 +2465,9 @@ vm_defined(rb_thread_t *th, rb_control_frame_t *reg_cfp, rb_num_t op_type, VALUE
if (rb_method_boundp(klass, SYM2ID(obj), 0)) {
expr_type = DEFINED_METHOD;
}
+ else {
+ expr_type = check_resopnd_to_missing(obj, v);
+ }
break;
case DEFINED_METHOD:{
VALUE klass = CLASS_OF(v);
@@ -2462,13 +2481,7 @@ vm_defined(rb_thread_t *th, rb_control_frame_t *reg_cfp, rb_num_t op_type, VALUE
}
}
else {
- VALUE args[2];
- VALUE r;
-
- args[0] = obj; args[1] = Qfalse;
- r = rb_check_funcall(v, idRespond_to_missing, 2, args);
- if (r != Qundef && RTEST(r))
- expr_type = DEFINED_METHOD;
+ expr_type = check_resopnd_to_missing(obj, v);
}
break;
}