Change --print-ast output to be more regular.

runtime/vm/ast_printer.h

 // Copyright (c) 2011, 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.
 
 #ifndef VM_AST_PRINTER_H_
 #define VM_AST_PRINTER_H_
 
 #include "vm/ast.h"
 #include "vm/growable_array.h"
 
 namespace dart {
 
 // Forward declaration.
 class ParsedFunction;
 
 class AstPrinter : public AstNodeVisitor {
  public:
   static void PrintNode(AstNode* node);
   static void PrintFunctionScope(const ParsedFunction& parsed_function);
   static void PrintFunctionNodes(const ParsedFunction& parsed_function);
   static void PrintLocalScope(const LocalScope* scope, int variable_index);
 
 
-#define DEFINE_VISITOR_FUNCTION(type, name)                                    \
-  virtual void Visit##type(type* node);
-NODE_LIST(DEFINE_VISITOR_FUNCTION)
-#undef DEFINE_VISITOR_FUNCTION
+#define DECLARE_VISITOR_FUNCTION(BaseName)                                     \
+  virtual void Visit##BaseName##Node(BaseName##Node* node);
+
+  FOR_EACH_NODE(DECLARE_VISITOR_FUNCTION)
+#undef DECLARE_VISITOR_FUNCTION
 
  private:
   AstPrinter();
   ~AstPrinter();
 
   void VisitGenericAstNode(AstNode* node);
   void VisitGenericLocalNode(AstNode* node, const LocalVariable& local);
   void VisitGenericFieldNode(AstNode* node, const Field& field);
 
   DISALLOW_COPY_AND_ASSIGN(AstPrinter);
 };
 
 }  // namespace dart
 
 #endif  // VM_AST_PRINTER_H_