Cache parsed functions when inlining.

runtime/vm/scopes.h

 // 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.
 
 #ifndef VM_SCOPES_H_
 #define VM_SCOPES_H_
 
 #include "vm/allocation.h"
 #include "vm/assembler.h"
 #include "vm/growable_array.h"
@@ skipping 157 matching lines @@
   JoinEntryInstr* join_for_break() const {
     return join_for_break_;
   }
 
   // Returns the function level of the scope in which the label is defined.
   int FunctionLevel() const;
 
   void ResolveForwardReference() { kind_ = kCase; }
 
  private:
+  // TODO(zerny): Remove this hack when the builder no longer stores state in
+  // the ast/scopes.
+  friend class SourceLabelResetter;
+
   const intptr_t token_pos_;
   const String& name_;
   LocalScope* owner_;  // Local scope declaring this label.
 
   Kind kind_;
   Label continue_label_;
   Label break_label_;
   JoinEntryInstr* join_for_break_;
   JoinEntryInstr* join_for_continue_;
   bool is_continue_target_;  // Needed for CaseNode.
@@ skipping 152 matching lines @@
   intptr_t end_token_pos_;    // Token index of end of scope.
   GrowableArray<LocalVariable*> variables_;
   GrowableArray<SourceLabel*> labels_;
 
   DISALLOW_COPY_AND_ASSIGN(LocalScope);
 };
 
 }  // namespace dart
 
 #endif  // VM_SCOPES_H_