Add --parse-all option in order to benchmark and measure the scanner/parser performance.

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 Log;
 
 class AstPrinter : public AstNodeVisitor {
  public:
-  static void PrintNode(AstNode* node);
-  static void PrintFunctionScope(const ParsedFunction& parsed_function);
-  static void PrintFunctionNodes(const ParsedFunction& parsed_function);
+  explicit AstPrinter(bool log = true);
+  ~AstPrinter();
+
+  void PrintNode(AstNode* node);
+  void PrintFunctionScope(const ParsedFunction& parsed_function);
+  void PrintFunctionNodes(const ParsedFunction& parsed_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();
-
   static const int kScopeIndent = 2;
 
-  static void PrintLocalScopeVariable(const LocalScope* scope,
-                                      LocalVariable* var,
-                                      int indent = 0);
-  static void PrintLocalScope(const LocalScope* scope,
-                              int variable_index,
-                              int indent = 0);
+  void IndentN(int count);
+  void PrintLocalScopeVariable(const LocalScope* scope,
+                               LocalVariable* var,
+                               int indent = 0);
+  void PrintLocalScope(const LocalScope* scope,
+                       int variable_index,
+                       int indent = 0);
 
   void VisitGenericAstNode(AstNode* node);
   void VisitGenericLocalNode(AstNode* node, const LocalVariable& local);
   void VisitGenericFieldNode(AstNode* node, const Field& field);
 
   intptr_t indent_;
+  Log* logger_;
 
   DISALLOW_COPY_AND_ASSIGN(AstPrinter);
 };
 
 }  // namespace dart
 
 #endif  // VM_AST_PRINTER_H_