Create a new element for generic function types

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 2492 matching lines @@
    */
   pushThis,
 
   /**
    * Push `super` expression onto the stack.
    */
   pushSuper,
 }
 
 /**
+ * Unlinked summary information about a generic function type.
+ */
+abstract class UnlinkedGenericFunctionType extends base.SummaryClass {
+  /**
+   * The offset of the return type.
+   */
+  @informative
+  @Id(0)
+  int get offset;
+
+  /**
+   * Parameters of the function type, if any.
+   */
+  @Id(3)
+  List<UnlinkedParam> get parameters;
+
+  /**
+   * Declared return type of the function type. Absent if the return type is
+   * implicit.
+   */
+  @Id(1)
+  EntityRef get returnType;
+
+  /**
+   * Type parameters of the function type, if any.
+   */
+  @Id(2)
+  List<UnlinkedTypeParam> get typeParameters;
+}
+
+/**
  * Unlinked summary information about an import declaration.
  */
 abstract class UnlinkedImport extends base.SummaryClass {
   /**
    * Annotations for this import declaration.
    */
   @Id(8)
   List<UnlinkedExpr> get annotations;
 
   /**
@@ skipping 742 matching lines @@
   @Id(11)
   int get visibleLength;
 
   /**
    * If a local variable, the beginning of the visible range; zero otherwise.
    */
   @informative
   @Id(12)
   int get visibleOffset;
 }