VM: Optimize RegExp.matchAsPrefix(...) by generating a sticky RegExp specialization.

runtime/vm/regexp_assembler_ir.h

 // Copyright (c) 2014, 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 RUNTIME_VM_REGEXP_ASSEMBLER_IR_H_
 #define RUNTIME_VM_REGEXP_ASSEMBLER_IR_H_
 
 #include "vm/assembler.h"
 #include "vm/intermediate_language.h"
 #include "vm/object.h"
@@ skipping 22 matching lines @@
                          const ParsedFunction* parsed_function,
                          const ZoneGrowableArray<const ICData*>& ic_data_array,
                          Zone* zone);
   virtual ~IRRegExpMacroAssembler();
 
   virtual bool CanReadUnaligned();
 
   static RawArray* Execute(const RegExp& regexp,
                            const String& input,
                            const Smi& start_offset,
+                           bool sticky,
                            Zone* zone);
 
   virtual bool IsClosed() const { return (current_instruction_ == NULL); }
 
   virtual intptr_t stack_limit_slack();
   virtual void AdvanceCurrentPosition(intptr_t by);
   virtual void AdvanceRegister(intptr_t reg, intptr_t by);
   virtual void Backtrack();
   virtual void BindBlock(BlockLabel* label);
   virtual void CheckAtStart(BlockLabel* on_at_start);
@@ skipping 377 matching lines @@
   IdAllocator temp_id_;
   IdAllocator arg_id_;
   IdAllocator local_id_;
   IdAllocator indirect_id_;
 };
 
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_REGEXP_ASSEMBLER_IR_H_