Merge pull request #541 from krekoten/kernel_respond_to_missing

Implemented Kernel#respond_to_missing? (almost)

spec/tags/core/kernel/respond_to_missing_tags.txt

@@ -1,10 +1 @@
-fails:Kernel#respond_to_missing? is called with a 2nd argument of false when #respond_to? is
-fails:Kernel#respond_to_missing? is called a 2nd argument of false when #respond_to? is called with only 1 argument
-fails:Kernel#respond_to_missing? is called with true as the second argument when #respond_to? is
-fails:Kernel#respond_to_missing? is called when #respond_to? would return false
-fails:Kernel#respond_to_missing? causes #respond_to? to return true if called and not returning false
-fails:Kernel#respond_to_missing? causes #respond_to? to return false if called and returning false
-fails:Kernel#respond_to_missing? causes #respond_to? to return false if called and returning nil
 fails:Kernel#respond_to_missing? is called when obj responds to the given private method, include_private = false
-fails:Kernel#respond_to_missing? is called for missing class methods
-fails:Kernel#respond_to_missing? returns true if obj responds to the given public method

topaz/modules/kernel.py

@@ -233,7 +233,19 @@ def method_instance_variable_definedp(self, space, name):
 
     @moduledef.method("respond_to?", include_private="bool")
     def method_respond_top(self, space, w_name, include_private=False):
-        return space.newbool(space.respond_to(self, w_name))
+        if space.respond_to(self, w_name):
+            return space.newbool(True)
+
+        w_found = space.send(
+            self,
+            space.newsymbol("respond_to_missing?"),
+            [w_name, space.newbool(include_private)]
+        )
+        return space.newbool(space.is_true(w_found))
+
+    @moduledef.method("respond_to_missing?")
+    def method_respond_to_missingp(self, space, w_name, w_include_private):
+        return space.newbool(False)
 
     @moduledef.method("dup")
     def method_dup(self, space):