Add FunctionDeclaration node.

frog/leg/tree/unparser.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.
 
 class Unparser implements Visitor {
   StringBuffer sb;
   final bool printDebugInfo;
 
   Unparser([this.printDebugInfo = false]);
 
@@ skipping 57 matching lines @@
   visitFor(For node) {
     add(node.forToken.value);
     sb.add('(');
     visit(node.initializer);
     visit(node.conditionStatement);
     visit(node.update);
     sb.add(')');
     visit(node.body);
   }
 
+  visitFunctionDeclaration(FunctionDeclaration node) {
+    visit(node.function);
+  }
+
   visitFunctionExpression(FunctionExpression node) {
     if (node.returnType !== null) {
       visit(node.returnType);
       sb.add(' ');
     }
     visit(node.name);
     visit(node.parameters);
     visit(node.body);
   }
 
@@ skipping 268 matching lines @@
       sb.add(' ');
     }
     visit(node.name);
     if (node.typeParameters !== null) {
       visit(node.typeParameters);
     }
     visit(node.formals);
     add(node.endToken.value);
   }
 }