Add summary support for annotations.

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';
 import 'package:analyzer/src/summary/idl.dart';
@@ skipping 47 matching lines @@
       _serializeString(expr);
     } else if (expr is SymbolLiteral) {
       strings.add(expr.components.map((token) => token.lexeme).join('.'));
       operations.add(UnlinkedConstOperation.makeSymbol);
     } else if (expr is NullLiteral) {
       operations.add(UnlinkedConstOperation.pushNull);
     } else if (expr is Identifier) {
       references.add(serializeIdentifier(expr));
       operations.add(UnlinkedConstOperation.pushReference);
     } else if (expr is InstanceCreationExpression) {
-      _serializeInstanceCreation(expr);
+      serializeInstanceCreation(
+          serializeConstructorName(
+              expr.constructorName.type, expr.constructorName.name),
+          expr.argumentList);
     } else if (expr is ListLiteral) {
       _serializeListLiteral(expr);
     } else if (expr is MapLiteral) {
       _serializeMapLiteral(expr);
     } else if (expr is MethodInvocation) {
       String name = expr.methodName.name;
       if (name != 'identical') {
         throw new _ConstExprSerializationError(
             'Only "identity" function invocation is allowed.');
       }
@@ skipping 23 matching lines @@
         operations.add(UnlinkedConstOperation.pushReference);
       }
     } else if (expr is ParenthesizedExpression) {
       serialize(expr.expression);
     } else {
       throw new _ConstExprSerializationError('Unknown expression type: $expr');
     }
   }
 
   /**
-   * Return [EntityRefBuilder] that corresponds to the given [constructor].
+   * Serialize the given [annotation] into this serializer state.
    */
-  EntityRefBuilder serializeConstructorName(ConstructorName constructor);
+  void serializeAnnotation(Annotation annotation);
+
+  /**
+   * Return [EntityRefBuilder] that corresponds to the constructor having name
+   * [name] in the class identified by [type].
+   */
+  EntityRefBuilder serializeConstructorName(
+      TypeName type, SimpleIdentifier name);
 
   /**
    * Return [EntityRefBuilder] that corresponds to the given [identifier].
    */
   EntityRefBuilder serializeIdentifier(Identifier identifier);
 
   /**
    * Return [EntityRefBuilder] that corresponds to the given [access].
    */
   EntityRefBuilder serializePropertyAccess(PropertyAccess access);
@@ skipping 77 matching lines @@
       operations.add(UnlinkedConstOperation.greaterEqual);
     } else if (operator == TokenType.LT_EQ) {
       operations.add(UnlinkedConstOperation.lessEqual);
     } else if (operator == TokenType.PERCENT) {
       operations.add(UnlinkedConstOperation.modulo);
     } else {
       throw new _ConstExprSerializationError('Unknown operator: $operator');
     }
   }
 
-  void _serializeInstanceCreation(InstanceCreationExpression expr) {
-    ConstructorName constructor = expr.constructorName;
-    List<Expression> arguments = expr.argumentList.arguments;
+  void serializeInstanceCreation(
+      EntityRefBuilder constructor, ArgumentList argumentList) {
+    List<Expression> arguments = argumentList.arguments;
     // Serialize the arguments.
     List<String> argumentNames = <String>[];
     arguments.forEach((arg) {
       if (arg is NamedExpression) {
         argumentNames.add(arg.name.label.name);
         serialize(arg.expression);
       } 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(serializeConstructorName(constructor));
+    references.add(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;
 }