Integrate the Irregexp Regular Expression Engine.

runtime/vm/flow_graph.h

 // Copyright (c) 2013, 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_FLOW_GRAPH_H_
 #define VM_FLOW_GRAPH_H_
 
 #include "vm/bit_vector.h"
 #include "vm/growable_array.h"
 #include "vm/hash_map.h"
@@ skipping 92 matching lines @@
   }
   intptr_t num_stack_locals() const {
     return num_stack_locals_;
   }
   intptr_t num_copied_params() const {
     return num_copied_params_;
   }
   intptr_t num_non_copied_params() const {
     return num_non_copied_params_;
   }
+  bool IsIrregexpFunction() const {
+    return parsed_function().function().IsIrregexpFunction();
+  }
 
   LocalVariable* CurrentContextVar() const {
     return parsed_function().current_context_var();
   }
 
   intptr_t CurrentContextEnvIndex() const {
     return parsed_function().current_context_var()->BitIndexIn(
         num_non_copied_params_);
   }
 
@@ skipping 383 matching lines @@
 
  private:
   GrowableArray<Definition*> defs_;
   BitVector* contains_vector_;
 };
 
 
 }  // namespace dart
 
 #endif  // VM_FLOW_GRAPH_H_