6cca0f244f
As of iOS 13.3.1, apps installed with free developer accounts that contain embedded frameworks fail to launch. To work around this, we now link all dependencies via Cocoapods as static libraries.
102 lines
3.9 KiB
Objective-C
102 lines
3.9 KiB
Objective-C
//
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// GTMDebugSelectorValidation.h
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//
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// This file should only be included within an implimation file. In any
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// function that takes an object and selector to invoke, you should call:
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//
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// GTMAssertSelectorNilOrImplementedWithArguments(obj, sel, @encode(arg1type), ..., NULL)
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// or
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// GTMAssertSelectorNilOrImplementedWithReturnTypeAndArguments(obj, sel, @encode(returnType), @encode(arg1type), ..., NULL)
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//
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// This will then validate that the selector is defined and using the right
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// type(s), this can help catch errors much earlier then waiting for the
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// selector to actually fire (and in the case of error selectors, might never
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// really be tested until in the field).
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//
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// Copyright 2007-2008 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not
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// use this file except in compliance with the License. You may obtain a copy
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// of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations under
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// the License.
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//
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#if DEBUG
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#import <stdarg.h>
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#import <Foundation/Foundation.h>
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#import "GTMDefines.h"
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static void GTMAssertSelectorNilOrImplementedWithReturnTypeAndArguments(id obj, SEL sel, const char *retType, ...) {
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// verify that the object's selector is implemented with the proper
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// number and type of arguments
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va_list argList;
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va_start(argList, retType);
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if (obj && sel) {
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// check that the selector is implemented
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_GTMDevAssert([obj respondsToSelector:sel],
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@"\"%@\" selector \"%@\" is unimplemented or misnamed",
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NSStringFromClass([obj class]),
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NSStringFromSelector(sel));
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const char *expectedArgType;
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NSUInteger argCount = 2; // skip self and _cmd
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NSMethodSignature *sig = [obj methodSignatureForSelector:sel];
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// check that each expected argument is present and of the correct type
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while ((expectedArgType = va_arg(argList, const char*)) != 0) {
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if ([sig numberOfArguments] > argCount) {
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const char *foundArgType = [sig getArgumentTypeAtIndex:argCount];
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_GTMDevAssert(0 == strncmp(foundArgType, expectedArgType, strlen(expectedArgType)),
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@"\"%@\" selector \"%@\" argument %u should be type %s",
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NSStringFromClass([obj class]),
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NSStringFromSelector(sel),
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(uint32_t)(argCount - 2),
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expectedArgType);
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}
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argCount++;
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}
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// check that the proper number of arguments are present in the selector
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_GTMDevAssert(argCount == [sig numberOfArguments],
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@"\"%@\" selector \"%@\" should have %u arguments",
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NSStringFromClass([obj class]),
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NSStringFromSelector(sel),
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(uint32_t)(argCount - 2));
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// if asked, validate the return type
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if (retType && (strcmp("gtm_skip_return_test", retType) != 0)) {
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const char *foundRetType = [sig methodReturnType];
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_GTMDevAssert(0 == strncmp(foundRetType, retType, strlen(retType)),
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@"\"%@\" selector \"%@\" return type should be type %s",
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NSStringFromClass([obj class]),
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NSStringFromSelector(sel),
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retType);
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}
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}
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va_end(argList);
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}
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#define GTMAssertSelectorNilOrImplementedWithArguments(obj, sel, ...) \
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GTMAssertSelectorNilOrImplementedWithReturnTypeAndArguments((obj), (sel), "gtm_skip_return_test", __VA_ARGS__)
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#else // DEBUG
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// make it go away if not debug
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#define GTMAssertSelectorNilOrImplementedWithReturnTypeAndArguments(obj, sel, retType, ...) do { } while (0)
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#define GTMAssertSelectorNilOrImplementedWithArguments(obj, sel, ...) do { } while (0)
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#endif // DEBUG
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