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

runtime/vm/flow_graph_builder.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/flow_graph_builder.h"
 
 #include "lib/invocation_mirror.h"
 #include "vm/ast_printer.h"
 #include "vm/bit_vector.h"
 #include "vm/compiler.h"
@@ skipping 4580 matching lines @@
   AddInstruction(new(Z) StopInstr(node->message()));
 }
 
 
 FlowGraph* FlowGraphBuilder::BuildGraph() {
   VMTagScope tagScope(thread(),
                       VMTag::kCompileFlowGraphBuilderTagId,
                       FLAG_profile_vm);
   if (FLAG_support_ast_printer && FLAG_print_ast) {
     // Print the function ast before IL generation.
-    AstPrinter::PrintFunctionNodes(parsed_function());
+    AstPrinter ast_printer;
+    ast_printer.PrintFunctionNodes(parsed_function());
   }
   if (FLAG_support_ast_printer && FLAG_print_scopes) {
-    AstPrinter::PrintFunctionScope(parsed_function());
+    AstPrinter ast_printer;
+    ast_printer.PrintFunctionScope(parsed_function());
   }
   TargetEntryInstr* normal_entry =
       new(Z) TargetEntryInstr(AllocateBlockId(),
                               CatchClauseNode::kInvalidTryIndex);
   graph_entry_ =
       new(Z) GraphEntryInstr(parsed_function(), normal_entry, osr_id_);
   EffectGraphVisitor for_effect(this);
   parsed_function().node_sequence()->Visit(&for_effect);
   AppendFragment(normal_entry, for_effect);
   // Check that the graph is properly terminated.
@@ skipping 19 matching lines @@
                                               block_marks);
   ASSERT(found);
 }
 
 
 void FlowGraphBuilder::Bailout(const char* reason) const {
   parsed_function_.Bailout("FlowGraphBuilder", reason);
 }
 
 }  // namespace dart