Add DISALLOW_COPY_AND_ASSIGN to subclasses of ValueObject and make ValueObject copyable.

runtime/vm/parser.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/parser.h"
 
 #include "lib/invocation_mirror.h"
 #include "vm/bigint_operations.h"
 #include "vm/class_finalizer.h"
 #include "vm/compiler.h"
@@ skipping 48 matching lines @@
       }
       indent_++;
     }
   }
   ~TraceParser() { indent_--; }
  private:
   void PrintIndent() {
     for (int i = 0; i < indent_; i++) { OS::Print(". "); }
   }
   static int indent_;
+
+  DISALLOW_COPY_AND_ASSIGN(TraceParser);
 };
 
 int TraceParser::indent_ = 0;
 
 #define TRACE_PARSER(s) \
   TraceParser __p__(this->TokenPos(), this->script_, s)
 
 #else  // not DEBUG
 #define TRACE_PARSER(s)
 #endif  // DEBUG
@@ skipping 618 matching lines @@
   bool FunctionExists(const String& name) const {
     return LookupFunction(name) != NULL;
   }
 
   const Class& clazz_;
   const String& class_name_;
   intptr_t token_pos_;   // Token index of "class" keyword.
   GrowableObjectArray& functions_;
   GrowableObjectArray& fields_;
   GrowableArray<MemberDesc> members_;
+
+  DISALLOW_COPY_AND_ASSIGN(ClassDesc);
 };
 
 
 struct TopLevel {
   TopLevel() :
       fields(GrowableObjectArray::Handle(GrowableObjectArray::New())),
       functions(GrowableObjectArray::Handle(GrowableObjectArray::New())) { }
 
   GrowableObjectArray& fields;
   GrowableObjectArray& functions;
@@ skipping 9325 matching lines @@
 void Parser::SkipQualIdent() {
   ASSERT(IsIdentifier());
   ConsumeToken();
   if (CurrentToken() == Token::kPERIOD) {
     ConsumeToken();  // Consume the kPERIOD token.
     ExpectIdentifier("identifier expected after '.'");
   }
 }
 
 }  // namespace dart