Repair to Code Final Commit

Code Burner/Pods/GoogleToolboxForMac/DebugUtils/GTMDebugSelectorValidation.h

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+//
+//  GTMDebugSelectorValidation.h
+//
+//  This file should only be included within an implimation file.  In any
+//  function that takes an object and selector to invoke, you should call:
+//
+//    GTMAssertSelectorNilOrImplementedWithArguments(obj, sel, @encode(arg1type), ..., NULL)
+//  or
+//    GTMAssertSelectorNilOrImplementedWithReturnTypeAndArguments(obj, sel, @encode(returnType), @encode(arg1type), ..., NULL)
+//
+//  This will then validate that the selector is defined and using the right
+//  type(s), this can help catch errors much earlier then waiting for the
+//  selector to actually fire (and in the case of error selectors, might never
+//  really be tested until in the field).
+//
+//  Copyright 2007-2008 Google Inc.
+//
+//  Licensed under the Apache License, Version 2.0 (the "License"); you may not
+//  use this file 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.
+//
+
+#if DEBUG
+
+#import <stdarg.h>
+#import "GTMDefines.h"
+
+static void GTMAssertSelectorNilOrImplementedWithReturnTypeAndArguments(id obj, SEL sel, const char *retType, ...) {
+
+  // verify that the object's selector is implemented with the proper
+  // number and type of arguments
+  va_list argList;
+  va_start(argList, retType);
+  
+  if (obj && sel) {
+    // check that the selector is implemented
+    _GTMDevAssert([obj respondsToSelector:sel],
+                  @"\"%@\" selector \"%@\" is unimplemented or misnamed", 
+                  NSStringFromClass([obj class]), 
+                  NSStringFromSelector(sel));
+
+    const char *expectedArgType;
+    NSUInteger argCount = 2; // skip self and _cmd
+    NSMethodSignature *sig = [obj methodSignatureForSelector:sel];
+    
+    // check that each expected argument is present and of the correct type
+    while ((expectedArgType = va_arg(argList, const char*)) != 0) {
+        
+      if ([sig numberOfArguments] > argCount) {
+        const char *foundArgType = [sig getArgumentTypeAtIndex:argCount];
+          
+        _GTMDevAssert(0 == strncmp(foundArgType, expectedArgType, strlen(expectedArgType)),
+                      @"\"%@\" selector \"%@\" argument %u should be type %s", 
+                      NSStringFromClass([obj class]), 
+                      NSStringFromSelector(sel),
+                      (uint32_t)(argCount - 2),
+                      expectedArgType);
+      }
+      argCount++;
+    }
+      
+    // check that the proper number of arguments are present in the selector
+    _GTMDevAssert(argCount == [sig numberOfArguments],
+                  @"\"%@\" selector \"%@\" should have %u arguments",
+                  NSStringFromClass([obj class]), 
+                  NSStringFromSelector(sel),
+                  (uint32_t)(argCount - 2));
+    
+    // if asked, validate the return type
+    if (retType && (strcmp("gtm_skip_return_test", retType) != 0)) {
+      const char *foundRetType = [sig methodReturnType];
+      _GTMDevAssert(0 == strncmp(foundRetType, retType, strlen(retType)),
+                    @"\"%@\" selector \"%@\" return type should be type %s", 
+                    NSStringFromClass([obj class]), 
+                    NSStringFromSelector(sel),
+                    retType);
+    }
+  }
+  
+  va_end(argList);
+}
+
+#define GTMAssertSelectorNilOrImplementedWithArguments(obj, sel, ...) \
+  GTMAssertSelectorNilOrImplementedWithReturnTypeAndArguments((obj), (sel), "gtm_skip_return_test", __VA_ARGS__)
+
+#else // DEBUG
+
+// make it go away if not debug
+#define GTMAssertSelectorNilOrImplementedWithReturnTypeAndArguments(obj, sel, retType, ...) do { } while (0)
+#define GTMAssertSelectorNilOrImplementedWithArguments(obj, sel, ...) do { } while (0)
+
+#endif // DEBUG