Support for constructor references in constant serializer and prelinker.

pkg/analyzer/lib/src/summary/summarize_const_expr.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 serialization.summarize_const_expr;
 
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/scanner.dart';
 import 'package:analyzer/src/summary/format.dart';
 
@@ skipping 95 matching lines @@
    * Return [EntityRefBuilder] that corresponds to the given [identifier].
    */
   EntityRefBuilder serializeIdentifier(Identifier identifier);
 
   /**
    * Return [EntityRefBuilder] that corresponds to the given [type].
    */
   EntityRefBuilder serializeType(TypeName type);
 
   /**
+   * Return [EntityRefBuilder] that corresponds to the given [constructor].
+   */
+  EntityRefBuilder serializeConstructorName(ConstructorName constructor);
+
+  /**
    * Return the [UnlinkedConstBuilder] that corresponds to the state of this
    * serializer.
    */
   UnlinkedConstBuilder toBuilder() {
     return new UnlinkedConstBuilder(
         operations: operations,
         ints: ints,
         doubles: doubles,
         strings: strings,
         references: references);
@@ skipping 71 matching lines @@
       } else {
         serialize(arg);
       }
     });
     // Add the op-code and numbers of named and positional arguments.
     operations.add(UnlinkedConstOperation.invokeConstructor);
     ints.add(argumentNames.length);
     strings.addAll(argumentNames);
     ints.add(arguments.length - argumentNames.length);
     // Serialize the reference.
-    references.add(serializeType(constructor.type));
-    if (constructor.name != null) {
-      strings.add(constructor.name.name);
-    } else {
-      strings.add('');
-    }
+    references.add(serializeConstructorName(constructor));
   }
 
   void _serializeListLiteral(ListLiteral expr) {
     List<Expression> elements = expr.elements;
     elements.forEach(serialize);
     ints.add(elements.length);
     if (expr.typeArguments != null &&
         expr.typeArguments.arguments.length == 1) {
       references.add(serializeType(expr.typeArguments.arguments[0]));
       operations.add(UnlinkedConstOperation.makeTypedList);
@@ skipping 65 matching lines @@
  * Error that describes a problem during a constant expression serialization.
  */
 class _ConstExprSerializationError {
   final String message;
 
   _ConstExprSerializationError(this.message);
 
   @override
   String toString() => message;
 }