Serialize parameter nodes for local functions.

pkg/compiler/lib/src/serialization/resolved_ast_serialization.dart

 // Copyright (c) 2016, 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.
 
 library dart2js.serialization.resolved_ast;
 
 import '../common.dart';
 import '../common/resolution.dart';
 import '../constants/expressions.dart';
 import '../dart_types.dart';
@@ skipping 148 matching lines @@
       for (JumpTarget jumpTarget in jumpTargetMap.keys) {
         serializeJumpTarget(jumpTarget, list.createObject());
       }
     }
     if (labelDefinitionMap.isNotEmpty) {
       ListEncoder list = objectEncoder.createList(Key.LABEL_DEFINITIONS);
       for (LabelDefinition labelDefinition in labelDefinitionMap.keys) {
         serializeLabelDefinition(labelDefinition, list.createObject());
       }
     }
+
     if (element is FunctionElement) {
-      FunctionElement function = element;
-      function.functionSignature.forEachParameter((ParameterElement parameter) {
-        ParameterElement parameterImpl = parameter.implementation;
-        // TODO(johnniwinther): Should we support element->node mapping as well?
-        getNodeDataEncoder(parameterImpl.node)
-            .setElement(PARAMETER_NODE, parameter);
-        if (parameter.initializer != null) {
-          getNodeDataEncoder(parameterImpl.initializer)
-              .setElement(PARAMETER_INITIALIZER, parameter);
-        }
-      });
+      serializeParameterNodes(element);
     }
   }
 
+  void serializeParameterNodes(FunctionElement function) {
+    function.functionSignature.forEachParameter((ParameterElement parameter) {
+      ParameterElement parameterImpl = parameter.implementation;
+      // TODO(johnniwinther): Should we support element->node mapping as well?
+      getNodeDataEncoder(parameterImpl.node)
+          .setElement(PARAMETER_NODE, parameter);
+      if (parameter.initializer != null) {
+        getNodeDataEncoder(parameterImpl.initializer)
+            .setElement(PARAMETER_INITIALIZER, parameter);
+      }
+    });
+  }
+
   /// Serialize [target] into [encoder].
   void serializeJumpTarget(JumpTarget jumpTarget, ObjectEncoder encoder) {
     encoder.setElement(Key.EXECUTABLE_CONTEXT, jumpTarget.executableContext);
     encoder.setInt(Key.NODE, nodeIndices[jumpTarget.statement]);
     encoder.setInt(Key.NESTING_LEVEL, jumpTarget.nestingLevel);
     encoder.setBool(Key.IS_BREAK_TARGET, jumpTarget.isBreakTarget);
     encoder.setBool(Key.IS_CONTINUE_TARGET, jumpTarget.isContinueTarget);
     if (jumpTarget.labels.isNotEmpty) {
       List<int> labelIdList = <int>[];
       for (LabelDefinition label in jumpTarget.labels) {
@@ skipping 117 matching lines @@
     }
   }
 
   @override
   visitFunctionExpression(FunctionExpression node) {
     visitExpression(node);
     Element function = elements.getFunctionDefinition(node);
     if (function != null && function.isFunction && function.isLocal) {
       // Mark root nodes of local functions; these need their own ResolvedAst.
       getNodeDataEncoder(node).setElement(Key.FUNCTION, function);
+      serializeParameterNodes(function);
     }
   }
 }
 
 class ResolvedAstDeserializer {
   /// Find the [Token] at [offset] searching through successors of [token].
   static Token findTokenInStream(Token token, int offset) {
     while (token.charOffset <= offset && token.next != token) {
       if (token.charOffset == offset) {
         return token;
@@ skipping 352 matching lines @@
         }
       }
     }
     element.resolvedAst =
         new ParsedResolvedAst(element, root, body, elements, uri);
   }
 }
 
 const Key PARAMETER_NODE = const Key('parameter.node');
 const Key PARAMETER_INITIALIZER = const Key('parameter.initializer');