Create a new element for generic function types

pkg/analyzer/lib/dart/element/element.dart

 // Copyright (c) 2014, 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.
 
 /**
  * Defines the element model. The element model describes the semantic (as
  * opposed to syntactic) structure of Dart code. The syntactic structure of the
  * code is modeled by the [AST structure](../ast/ast.dart).
  *
  * The element model consists of two closely related kinds of objects: elements
@@ skipping 885 matching lines @@
   static const ElementKind ERROR = const ElementKind('ERROR', 4, "<error>");
 
   static const ElementKind EXPORT =
       const ElementKind('EXPORT', 5, "export directive");
 
   static const ElementKind FIELD = const ElementKind('FIELD', 6, "field");
 
   static const ElementKind FUNCTION =
       const ElementKind('FUNCTION', 7, "function");
 
-  static const ElementKind GETTER = const ElementKind('GETTER', 8, "getter");
+  static const ElementKind GENERIC_FUNCTION_TYPE = const ElementKind('GENERIC_FUNCTION_TYPE', 8, 'generic function type');
+
+  static const ElementKind GETTER = const ElementKind('GETTER', 9, "getter");
 
   static const ElementKind IMPORT =
-      const ElementKind('IMPORT', 9, "import directive");
+      const ElementKind('IMPORT', 10, "import directive");
 
-  static const ElementKind LABEL = const ElementKind('LABEL', 10, "label");
+  static const ElementKind LABEL = const ElementKind('LABEL', 11, "label");
 
   static const ElementKind LIBRARY =
-      const ElementKind('LIBRARY', 11, "library");
+      const ElementKind('LIBRARY', 12, "library");
 
   static const ElementKind LOCAL_VARIABLE =
-      const ElementKind('LOCAL_VARIABLE', 12, "local variable");
+      const ElementKind('LOCAL_VARIABLE', 13, "local variable");
 
-  static const ElementKind METHOD = const ElementKind('METHOD', 13, "method");
+  static const ElementKind METHOD = const ElementKind('METHOD', 14, "method");
 
-  static const ElementKind NAME = const ElementKind('NAME', 14, "<name>");
+  static const ElementKind NAME = const ElementKind('NAME', 15, "<name>");
 
   static const ElementKind PARAMETER =
-      const ElementKind('PARAMETER', 15, "parameter");
+      const ElementKind('PARAMETER', 16, "parameter");
 
   static const ElementKind PREFIX =
-      const ElementKind('PREFIX', 16, "import prefix");
+      const ElementKind('PREFIX', 17, "import prefix");
 
-  static const ElementKind SETTER = const ElementKind('SETTER', 17, "setter");
+  static const ElementKind SETTER = const ElementKind('SETTER', 18, "setter");
 
   static const ElementKind TOP_LEVEL_VARIABLE =
-      const ElementKind('TOP_LEVEL_VARIABLE', 18, "top level variable");
+      const ElementKind('TOP_LEVEL_VARIABLE', 19, "top level variable");
 
   static const ElementKind FUNCTION_TYPE_ALIAS =
-      const ElementKind('FUNCTION_TYPE_ALIAS', 19, "function type alias");
+      const ElementKind('FUNCTION_TYPE_ALIAS', 20, "function type alias");
 
   static const ElementKind TYPE_PARAMETER =
-      const ElementKind('TYPE_PARAMETER', 20, "type parameter");
+      const ElementKind('TYPE_PARAMETER', 21, "type parameter");
 
   static const ElementKind UNIVERSE =
-      const ElementKind('UNIVERSE', 21, "<universe>");
+      const ElementKind('UNIVERSE', 22, "<universe>");
 
   static const List<ElementKind> values = const [
     CLASS,
     COMPILATION_UNIT,
     CONSTRUCTOR,
     DYNAMIC,
     ERROR,
     EXPORT,
     FIELD,
     FUNCTION,
+    GENERIC_FUNCTION_TYPE,
     GETTER,
     IMPORT,
     LABEL,
     LIBRARY,
     LOCAL_VARIABLE,
     METHOD,
     NAME,
     PARAMETER,
     PREFIX,
     SETTER,
@@ skipping 86 matching lines @@
   R visitExportElement(ExportElement element);
 
   R visitFieldElement(FieldElement element);
 
   R visitFieldFormalParameterElement(FieldFormalParameterElement element);
 
   R visitFunctionElement(FunctionElement element);
 
   R visitFunctionTypeAliasElement(FunctionTypeAliasElement element);
 
+  R visitGenericFunctionTypeElement(GenericFunctionTypeElement element);
+
   R visitImportElement(ImportElement element);
 
   R visitLabelElement(LabelElement element);
 
   R visitLibraryElement(LibraryElement element);
 
   R visitLocalVariableElement(LocalVariableElement element);
 
   R visitMethodElement(MethodElement element);
 
@@ skipping 196 matching lines @@
    * Return `true` if the function is an entry point, i.e. a top-level function
    * and has the name `main`.
    */
   bool get isEntryPoint;
 
   @override
   FunctionDeclaration computeNode();
 }
 
 /**
+ * The pseudo-declaration that defines a generic function type.
+ */
+abstract class GenericFunctionTypeElement implements FunctionTypedElement {
+
+}
+
+/**
  * A function type alias (`typedef`).
  *
  * Clients may not extend, implement or mix-in this class.
  */
 abstract class FunctionTypeAliasElement
     implements FunctionTypedElement, TypeDefiningElement {
   /**
    * An empty array of type alias elements.
    */
   static List<FunctionTypeAliasElement> EMPTY_LIST =
@@ skipping 768 matching lines @@
   DartType get type;
 
   /**
    * Return a representation of the value of this variable, forcing the value
    * to be computed if it had not previously been computed, or `null` if either
    * this variable was not declared with the 'const' modifier or if the value of
    * this variable could not be computed because of errors.
    */
   DartObject computeConstantValue();
 }