Implement a task to compute the dependencies between static variables

pkg/analyzer/lib/src/generated/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.
 
 library engine.element;
 
 import 'dart:collection';
 
 import 'package:analyzer/src/generated/utilities_general.dart';
 import 'package:analyzer/src/task/dart.dart';
@@ skipping 4126 matching lines @@
   FieldElementImpl.forNode(Identifier name) : super.forNode(name);
 
   @override
   ClassElement get enclosingElement => super.enclosingElement as ClassElement;
 
   @override
   bool get isEnumConstant =>
       enclosingElement != null ? enclosingElement.isEnum : false;
 
   @override
-  bool get isStatic => hasModifier(Modifier.STATIC);
-
-  @override
   ElementKind get kind => ElementKind.FIELD;
 
   /**
    * Set whether this field is static.
    */
   void set static(bool isStatic) {
     setModifier(Modifier.STATIC, isStatic);
   }
 
   @override
@@ skipping 94 matching lines @@
   ClassElement get enclosingElement => baseElement.enclosingElement;
 
   @override
   PropertyAccessorElement get getter =>
       PropertyAccessorMember.from(baseElement.getter, definingType);
 
   @override
   bool get isEnumConstant => baseElement.isEnumConstant;
 
   @override
-  bool get isStatic => baseElement.isStatic;
-
-  @override
   DartType get propagatedType => substituteFor(baseElement.propagatedType);
 
   @override
   PropertyAccessorElement get setter =>
       PropertyAccessorMember.from(baseElement.setter, definingType);
 
   @override
   accept(ElementVisitor visitor) => visitor.visitFieldElement(this);
 
   @override
@@ skipping 5248 matching lines @@
       const <PropertyInducingElement>[];
 
   /**
    * Return the getter associated with this variable. If this variable was
    * explicitly defined (is not synthetic) then the getter associated with it
    * will be synthetic.
    */
   PropertyAccessorElement get getter;
 
   /**
-   * Return `true` if this element is a static element. A static element is an
-   * element that is not associated with a particular instance, but rather with
-   * an entire library or class.
-   */
-  bool get isStatic;
-
-  /**
    * Return the propagated type of this variable, or `null` if type propagation
    * has not been performed, for example because the variable is not final.
    */
   DartType get propagatedType;
 
   /**
    * Return the setter associated with this variable, or `null` if the variable
    * is effectively `final` and therefore does not have a setter associated with
    * it. (This can happen either because the variable is explicitly defined as
    * being `final` or because the variable is induced by an explicit getter that
@@ skipping 978 matching lines @@
 
   /**
    * Return `true` if this variable is potentially mutated somewhere in its
    * scope. This information is only available for local variables (including
    * parameters) and only after the compilation unit containing the variable has
    * been resolved.
    */
   bool get isPotentiallyMutatedInScope;
 
   /**
+   * Return `true` if this element is a static variable, as per section 8 of the
+   * Dart Language Specification:
+   *
+   * > A static variable is a variable that is not associated with a particular
+   * > instance, but rather with an entire library or class. Static variables
+   * > include library variables and class variables. Class variables are
+   * > variables whose declaration is immediately nested inside a class
+   * > declaration and includes the modifier static. A library variable is
+   * > implicitly static.
+   */
+  bool get isStatic;
+
+  /**
    * Return the declared type of this variable, or `null` if the variable did
    * not have a declared type (such as if it was declared using the keyword
    * 'var').
    */
   DartType get type;
 }
 
 /**
  * A concrete implementation of a [VariableElement].
  */
@@ skipping 88 matching lines @@
   @override
   bool get isFinal => hasModifier(Modifier.FINAL);
 
   @override
   bool get isPotentiallyMutatedInClosure => false;
 
   @override
   bool get isPotentiallyMutatedInScope => false;
 
   @override
+  bool get isStatic => hasModifier(Modifier.STATIC);
+
+  @override
   void appendTo(StringBuffer buffer) {
     buffer.write(type);
     buffer.write(" ");
     buffer.write(displayName);
   }
 
   @override
   void visitChildren(ElementVisitor visitor) {
     super.visitChildren(visitor);
     safelyVisitChild(_initializer, visitor);
@@ skipping 36 matching lines @@
 
   @override
   bool get isPotentiallyMutatedInClosure =>
       baseElement.isPotentiallyMutatedInClosure;
 
   @override
   bool get isPotentiallyMutatedInScope =>
       baseElement.isPotentiallyMutatedInScope;
 
   @override
+  bool get isStatic => baseElement.isStatic;
+
+  @override
   DartType get type => substituteFor(baseElement.type);
 
   @override
   void visitChildren(ElementVisitor visitor) {
     // TODO(brianwilkerson) We need to finish implementing the accessors used
     // below so that we can safely invoke them.
     super.visitChildren(visitor);
     safelyVisitChild(baseElement.initializer, visitor);
   }
 }
@@ skipping 69 matching lines @@
 
   @override
   void visitElement(Element element) {
     int offset = element.nameOffset;
     if (offset != -1) {
       map[offset] = element;
     }
     super.visitElement(element);
   }
 }