Fix for issue 1835: record the 'final' information in the DeclaredIdentifier.

frog/tree.g.dart

 // Copyright (c) 2011, 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.
 // Generated by scripts/tree_gen.py.
 
 class DirectiveDefinition extends Definition {
   Identifier name;
   List<ArgumentNode> arguments;
 
   DirectiveDefinition(this.name, this.arguments, SourceSpan span): super(span) {}
@@ skipping 467 matching lines @@
   String name;
 
   Identifier(this.name, SourceSpan span): super(span) {}
 
   visit(TreeVisitor visitor) => visitor.visitIdentifier(this);
 }
 
 class DeclaredIdentifier extends Expression {
   TypeReference type;
   Identifier name;
+  bool isFinal;
 
-  DeclaredIdentifier(this.type, this.name, SourceSpan span): super(span) {}
+  DeclaredIdentifier(this.type, this.name, this.isFinal, SourceSpan span): super(span) {}
 
   visit(TreeVisitor visitor) => visitor.visitDeclaredIdentifier(this);
 }
 
 
 interface TreeVisitor {
   visitDirectiveDefinition(DirectiveDefinition node);
 
   visitTypeDefinition(TypeDefinition node);
 
@@ skipping 418 matching lines @@
   }
 
   void visitIdentifier(Identifier node) {
     output.heading('Identifier(' + output.toValue(node.name) + ")", node.span);
   }
 
   void visitDeclaredIdentifier(DeclaredIdentifier node) {
     output.heading('DeclaredIdentifier', node.span);
     output.writeNode('type', node.type);
     output.writeNode('name', node.name);
+    output.writeValue('isFinal', node.isFinal);
   }
 
 }