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//
// MyMsgSend.c
// Runtime
//
// Copyright (c) 2012 Rob Napier
//
// This code is licensed under the MIT License:
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
#include <stdio.h>
#include <objc/runtime.h>
#include "MyMsgSend.h"
static const void *myMsgSend(id receiver, const char *name) {
SEL selector = sel_registerName(name);
IMP methodIMP =
class_getMethodImplementation(object_getClass(receiver),
selector);
return methodIMP(receiver, selector);
}
void RunMyMsgSend() {
// NSObject *object = [[NSObject alloc] init];
Class class = (Class)objc_getClass("NSObject");
id object = class_createInstance(class, 0);
myMsgSend(object, "init");
// id description = [object description];
id description = (id)myMsgSend(object, "description");
// const char *cstr = [description UTF8String];
const char *cstr = myMsgSend(description, "UTF8String");
printf("%s\n", cstr);
}