Added unique id to all scripts

src/factory.cc

 // Copyright 2006-2008 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 135 matching lines @@
 
 Handle<AccessorInfo> Factory::NewAccessorInfo() {
   Handle<AccessorInfo> info =
       Handle<AccessorInfo>::cast(NewStruct(ACCESSOR_INFO_TYPE));
   info->set_flag(0);  // Must clear the flag, it was initialized as undefined.
   return info;
 }
 
 
 Handle<Script> Factory::NewScript(Handle<String> source) {
+  static uint32_t next_id = 1;
+
   Handle<Script> script = Handle<Script>::cast(NewStruct(SCRIPT_TYPE));
   script->set_source(*source);
   script->set_name(Heap::undefined_value());
+  script->set_id(*Factory::NewNumberFromUint(next_id++));
   script->set_line_offset(Smi::FromInt(0));
   script->set_column_offset(Smi::FromInt(0));
   script->set_type(Smi::FromInt(SCRIPT_TYPE_NORMAL));
   script->set_wrapper(*Factory::NewProxy(0, TENURED));
   script->set_line_ends(Heap::undefined_value());
   return script;
 }
 
 
 Handle<Proxy> Factory::NewProxy(Address addr, PretenureFlag pretenure) {
@@ skipping 101 matching lines @@
                                   PretenureFlag pretenure) {
   CALL_HEAP_FUNCTION(Heap::NumberFromDouble(value, pretenure), Object);
 }
 
 
 Handle<Object> Factory::NewNumberFromInt(int value) {
   CALL_HEAP_FUNCTION(Heap::NumberFromInt32(value), Object);
 }
 
 
+Handle<Object> Factory::NewNumberFromUint(uint32_t value) {
+  CALL_HEAP_FUNCTION(Heap::NumberFromUint32(value), Object);
+}
+
+
 Handle<JSObject> Factory::NewNeanderObject() {
   CALL_HEAP_FUNCTION(Heap::AllocateJSObjectFromMap(Heap::neander_map()),
                      JSObject);
 }
 
 
 Handle<Object> Factory::NewTypeError(const char* type,
                                      Vector< Handle<Object> > args) {
   return NewError("MakeTypeError", type, args);
 }
@@ skipping 562 matching lines @@
     Execution::ConfigureInstance(instance,
                                  instance_template,
                                  pending_exception);
   } else {
     *pending_exception = false;
   }
 }
 
 
 } }  // namespace v8::internal