Initial implementation of printing the AST as a JSON string. This...

src/ast.h

 // 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 1714 matching lines @@
 
 class AstVisitor BASE_EMBEDDED {
  public:
   AstVisitor() : stack_overflow_(false) { }
   virtual ~AstVisitor() { }
 
   // Dispatch
   void Visit(AstNode* node) { node->Accept(this); }
 
   // Iteration
+  virtual void VisitDeclarations(ZoneList<Declaration*>* declarations);
   virtual void VisitStatements(ZoneList<Statement*>* statements);
   virtual void VisitExpressions(ZoneList<Expression*>* expressions);
 
   // Stack overflow tracking support.
   bool HasStackOverflow() const { return stack_overflow_; }
   bool CheckStackOverflow() {
     if (stack_overflow_) return true;
     StackLimitCheck check;
     if (!check.HasOverflowed()) return false;
     return (stack_overflow_ = true);
@@ skipping 12 matching lines @@
 #undef DEF_VISIT
 
  private:
   bool stack_overflow_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_AST_H_