VM: Precompile method extractors for implicit and explicit closurization.

runtime/vm/parser.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/parser.h"
 
 #include "lib/invocation_mirror.h"
 #include "platform/utils.h"
 #include "vm/ast_transformer.h"
 #include "vm/bootstrap.h"
@@ skipping 1429 matching lines @@
   }
   StaticCallNode* call = new StaticCallNode(token_pos, parent, func_args);
   ReturnNode* return_node = new ReturnNode(token_pos, call);
   current_block_->statements->Add(return_node);
   return CloseBlock();
 }
 
 
 SequenceNode* Parser::ParseMethodExtractor(const Function& func) {
   TRACE_PARSER("ParseMethodExtractor");
-  ASSERT(FLAG_lazy_dispatchers);
 
   ParamList params;
 
   const intptr_t ident_pos = func.token_pos();
   ASSERT(func.token_pos() == 0);
   ASSERT(current_class().raw() == func.Owner());
   params.AddReceiver(ReceiverType(current_class()), ident_pos);
   ASSERT(func.num_fixed_parameters() == 1);  // Receiver.
   ASSERT(!func.HasOptionalParameters());
 
@@ skipping 12843 matching lines @@
 void Parser::SkipQualIdent() {
   ASSERT(IsIdentifier());
   ConsumeToken();
   if (CurrentToken() == Token::kPERIOD) {
     ConsumeToken();  // Consume the kPERIOD token.
     ExpectIdentifier("identifier expected after '.'");
   }
 }
 
 }  // namespace dart