Minor cleanup based on profiler output of CompileParseFunction.

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 "vm/flags.h"
 
 #ifndef DART_PRECOMPILED_RUNTIME
 
 #include "lib/invocation_mirror.h"
@@ skipping 346 matching lines @@
 
 void Parser::TryStack::AddNodeForFinallyInlining(AstNode* node) {
   inlined_finally_nodes_.Add(node);
 }
 
 
 // For parsing a compilation unit.
 Parser::Parser(const Script& script,
                const Library& library,
                TokenPosition token_pos)
-    : isolate_(Thread::Current()->isolate()),
-      thread_(Thread::Current()),
+    : thread_(Thread::Current()),
+      isolate_(thread()->isolate()),
       script_(Script::Handle(zone(), script.raw())),
-      tokens_iterator_(TokenStream::Handle(zone(), script.tokens()),
+      tokens_iterator_(zone(),
+                       TokenStream::Handle(zone(), script.tokens()),
                        token_pos),
       token_kind_(Token::kILLEGAL),
       current_block_(NULL),
       is_top_level_(false),
       await_is_keyword_(false),
       current_member_(NULL),
       allow_function_literals_(true),
       parsed_function_(NULL),
       innermost_function_(Function::Handle(zone())),
       literal_token_(LiteralToken::Handle(zone())),
       current_class_(Class::Handle(zone())),
       library_(Library::Handle(zone(), library.raw())),
       try_stack_(NULL),
       last_used_try_index_(0),
       unregister_pending_function_(false),
       async_temp_scope_(NULL),
       trace_indent_(0),
       recursion_counter_(0) {
   ASSERT(tokens_iterator_.IsValid());
   ASSERT(!library.IsNull());
 }
 
 
 // For parsing a function.
 Parser::Parser(const Script& script,
                ParsedFunction* parsed_function,
                TokenPosition token_pos)
-    : isolate_(Thread::Current()->isolate()),
-      thread_(Thread::Current()),
+    : thread_(Thread::Current()),
+      isolate_(thread()->isolate()),
       script_(Script::Handle(zone(), script.raw())),
-      tokens_iterator_(TokenStream::Handle(zone(), script.tokens()),
+      tokens_iterator_(zone(),
+                       TokenStream::Handle(zone(), script.tokens()),
                        token_pos),
       token_kind_(Token::kILLEGAL),
       current_block_(NULL),
       is_top_level_(false),
       await_is_keyword_(false),
       current_member_(NULL),
       allow_function_literals_(true),
       parsed_function_(parsed_function),
       innermost_function_(Function::Handle(zone(),
                                            parsed_function->function().raw())),
@@ skipping 14071 matching lines @@
     const ArgumentListNode& function_args,
     const LocalVariable* temp_for_last_arg,
     bool is_super_invocation) {
   UNREACHABLE();
   return NULL;
 }
 
 }  // namespace dart
 
 #endif  // DART_PRECOMPILED_RUNTIME