Allow linked types to refer to local executables.

pkg/analyzer/lib/src/summary/idl.dart

 // Copyright (c) 2015, 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.
 
 /**
  * This file is an "idl" style description of the summary format.  It
  * contains abstract classes which declare the interface for reading data from
  * summaries.  It is parsed and transformed into code that implements the
  * summary format.
  *
@@ skipping 274 matching lines @@
   int get dependency;
 
   /**
    * The kind of the entity being referred to.  For the pseudo-types `dynamic`
    * and `void`, the kind is [ReferenceKind.classOrEnum].
    */
   @Id(2)
   ReferenceKind get kind;
 
   /**
+   * If [kind] is [ReferenceKind.function] (that is, the entity being referred
+   * to is a local function), the index of the function within
+   * [UnlinkedExecutable.localFunctions].  If [kind] is
+   * [ReferenceKind.variable], the index of the variable within
+   * [UnlinkedExecutable.localVariables].  Otherwise zero.
+   */
+  @Id(6)
+  int get localIndex;
+
+  /**
    * If this [LinkedReference] doesn't have an associated [UnlinkedReference],
    * name of the entity being referred to.  For the pseudo-type `dynamic`, the
    * string is "dynamic".  For the pseudo-type `void`, the string is "void".
    */
   @Id(3)
   String get name;
 
   /**
    * If the entity being referred to is generic, the number of type parameters
    * it accepts.  Otherwise zero.
@@ skipping 73 matching lines @@
    * The entity is a typedef.
    */
   typedef,
 
   /**
    * The entity is a local function.
    */
   function,
 
   /**
+   * The entity is a local variable.
+   */
+  variable,
+
+  /**
    * The entity is a top level function.
    */
   topLevelFunction,
 
   /**
    * The entity is a top level getter or setter.
    */
   topLevelPropertyAccessor,
 
   /**
@@ skipping 1493 matching lines @@
    */
   @Id(11)
   int get visibleLength;
 
   /**
    * If a local variable, the beginning of the visible range; zero otherwise.
    */
   @Id(12)
   int get visibleOffset;
 }