Update OCMock to 3.1.5

third_party/ocmock/OCMock/NSObject+OCMAdditions.m

+/*
+ *  Copyright (c) 2009-2015 Erik Doernenburg and contributors
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use these files except in compliance with the License. You may obtain
+ *  a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ *  License for the specific language governing permissions and limitations
+ *  under the License.
+ */
+
+#import "NSObject+OCMAdditions.h"
+#import "NSMethodSignature+OCMAdditions.h"
+#import <objc/runtime.h>
+
+@implementation NSObject(OCMAdditions)
+
++ (IMP)instanceMethodForwarderForSelector:(SEL)aSelector
+{
+    // use sel_registerName() and not @selector to avoid warning
+    SEL selectorWithNoImplementation = sel_registerName("methodWhichMustNotExist::::");
+
+#ifndef __arm64__
+    static NSMutableDictionary *_OCMReturnTypeCache;
+    
+    if(_OCMReturnTypeCache == nil)
+        _OCMReturnTypeCache = [[NSMutableDictionary alloc] init];
+
+    BOOL needsStructureReturn;
+    void *rawCacheKey[2] = { (void *)self, aSelector };
+    NSData *cacheKey = [NSData dataWithBytes:rawCacheKey length:sizeof(rawCacheKey)];
+    NSNumber *cachedValue = [_OCMReturnTypeCache objectForKey:cacheKey];
+
+    if(cachedValue == nil)
+    {
+        NSMethodSignature *sig = [self instanceMethodSignatureForSelector:aSelector];
+        needsStructureReturn = [sig usesSpecialStructureReturn];
+        [_OCMReturnTypeCache setObject:@(needsStructureReturn) forKey:cacheKey];
+    }
+    else
+    {
+        needsStructureReturn = [cachedValue boolValue];
+    }
+
+    if(needsStructureReturn)
+        return class_getMethodImplementation_stret([NSObject class], selectorWithNoImplementation);
+#endif
+    
+    return class_getMethodImplementation([NSObject class], selectorWithNoImplementation);
+}
+
+
++ (void)enumerateMethodsInClass:(Class)aClass usingBlock:(void (^)(Class cls, SEL sel))aBlock
+{
+    for(Class cls = aClass; cls != nil; cls = class_getSuperclass(cls))
+    {
+        Method *methodList = class_copyMethodList(cls, NULL);
+        if(methodList == NULL)
+            continue;
+
+        for(Method *mPtr = methodList; *mPtr != NULL; mPtr++)
+        {
+            SEL sel = method_getName(*mPtr);
+            aBlock(cls, sel);
+        }
+        free(methodList);
+    }
+}
+
+@end