Add support for building Xcode project files from GYP files

samples/process.cc

 // Copyright 2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 517 matching lines @@
       host_(host),
       user_agent_(user_agent) { }
 
 
 void ParseOptions(int argc,
                   char* argv[],
                   map<string, string>& options,
                   string* file) {
   for (int i = 1; i < argc; i++) {
     string arg = argv[i];
-    int index = arg.find('=', 0);
+    size_t index = arg.find('=', 0);
     if (index == string::npos) {
       *file = arg;
     } else {
       string key = arg.substr(0, index);
       string value = arg.substr(index+1);
       options[key] = value;
     }
   }
 }
 
@@ skipping 66 matching lines @@
   JsHttpRequestProcessor processor(source);
   map<string, string> output;
   if (!processor.Initialize(&options, &output)) {
     fprintf(stderr, "Error initializing processor.\n");
     return 1;
   }
   if (!ProcessEntries(&processor, kSampleSize, kSampleRequests))
     return 1;
   PrintMap(&output);
 }