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ios/showcase/common/protocol_alerter.mm

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "ios/showcase/common/protocol_alerter.h"
 
 #import <objc/runtime.h>
 
 #import "base/logging.h"
 #import "base/strings/sys_string_conversions.h"
@@ skipping 140 matching lines @@
 }
 
 // Return a string describing the argument value at |index|.
 // (|index| is in NSInvocation's argument array).
 - (NSString*)argumentDescriptionAtIndex:(NSInteger)index {
   const char* type = [self.methodSignature getArgumentTypeAtIndex:index];
 
   switch (*type) {
     case '@':
       return [self objectDescriptionAtIndex:index];
+    case 'q':
+      return [self longLongDescriptionAtIndex:index];
     // Add cases as needed here.
     default:
       return [NSString stringWithFormat:@"<Unknown Type:%c>", *type];
   }
 }
 
-// Return a string describing an argument at |index| that's known to an
+// Return a string describing an argument at |index| that's known to be an
 // objective-C object.
 - (NSString*)objectDescriptionAtIndex:(NSInteger)index {
   id object;
 
   [self getArgument:&object atIndex:index];
   if (!object)
     return @"nil";
 
   NSString* description = [object description];
   NSString* className = NSStringFromClass([object class]);
@@ skipping 13 matching lines @@
   NSRange range = NSMakeRange(0, description.length);
   NSString* classPlusAddress =
       [className stringByAppendingString:@": 0x[0-9a-c]+"];
   return [description
       stringByReplacingOccurrencesOfString:classPlusAddress
                                 withString:className
                                    options:NSRegularExpressionSearch
                                      range:range];
 }
 
+// Returns a string describing an argument at |index| that is known to be a long
+// long.
+- (NSString*)longLongDescriptionAtIndex:(NSInteger)index {
+  long long value;
+
+  [self getArgument:&value atIndex:index];
+  return [NSString stringWithFormat:@"%lld", value];
+}
+
 @end