def op_primitive_method_call(self, arg):
primitive = primitives.primitives_by_name[arg]
arity = primitives.all_primitives_arg_count[arg]
arguments = []
for i in xrange(arity):
arguments.append(self.stack.pop())
receiver = self.stack.pop()
res = primitives.call(primitive, receiver, arguments, self.interpreter.builtins)
self.stack.append(res)
def eval_PrimitiveMethodCall(self, ast, context):
receiver = self.eval(ast.receiver, context)
arguments = map(lambda a: self.eval(a, context), ast.arguments)
return primitives.call(ast.methodname, receiver, arguments, self.builtins)