Add @overrides to (a lot of) analyzer.

pkg/analyzer/lib/dart/ast/ast.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 AST model. The AST (Abstract Syntax Tree) model describes the
  * syntactic (as opposed to semantic) structure of Dart code. The semantic
  * structure of the code is modeled by the
  * [element model](../element/element.dart).
  *
@@ skipping 4002 matching lines @@
    * resolution was able to find a better element based on type propagation,
    * that element will be returned. Otherwise, the element found using the
    * result of static analysis will be returned. If resolution has not been
    * performed, then `null` will be returned.
    */
   ExecutableElement get bestElement;
 
   /**
    * Return the expression producing the function being invoked.
    */
+  @override
   Expression get function;
 
   /**
    * Set the expression producing the function being invoked to the given
    * [expression].
    */
   void set function(Expression expression);
 
   /**
    * Return the element associated with the function being invoked based on
@@ skipping 10 matching lines @@
 
   /**
    * Return the function type of the method invocation based on the propagated
    * type information, or `null` if the AST structure has not been resolved, or
    * if the invoke could not be resolved.
    *
    * This will usually be a [FunctionType], but it can also be an
    * [InterfaceType] with a `call` method, `dynamic`, `Function`, or a `@proxy`
    * interface type that implements `Function`.
    */
+  @override
   DartType get propagatedInvokeType;
 
   /**
    * Set the function type of the method invocation based on the propagated type
    * information to the given [type].
    */
+  @override
   void set propagatedInvokeType(DartType type);
 
   /**
    * Return the element associated with the function being invoked based on
    * static type information, or `null` if the AST structure has not been
    * resolved or the function could not be resolved.
    */
   ExecutableElement get staticElement;
 
   /**
    * Set the element associated with the function being invoked based on static
    * type information to the given [element].
    */
   void set staticElement(ExecutableElement element);
 
   /**
    * Return the function type of the method invocation based on the static type
    * information, or `null` if the AST structure has not been resolved, or if
    * the invoke could not be resolved.
    *
    * This will usually be a [FunctionType], but it can also be an
    * [InterfaceType] with a `call` method, `dynamic`, `Function`, or a `@proxy`
    * interface type that implements `Function`.
    */
+  @override
   DartType get staticInvokeType;
 
   /**
    * Set the function type of the method invocation based on the static type
    * information to the given [type].
    */
+  @override
   void set staticInvokeType(DartType type);
 
   /**
    * Set the type arguments to be applied to the method being invoked to the
    * given [typeArguments].
    */
   void set typeArguments(TypeArgumentList typeArguments);
 }
 
 /**
@@ skipping 1526 matching lines @@
 
   /**
    * Return the function type of the method invocation based on the propagated
    * type information, or `null` if the AST structure has not been resolved, or
    * if the invoke could not be resolved.
    *
    * This will usually be a [FunctionType], but it can also be an
    * [InterfaceType] with a `call` method, `dynamic`, `Function`, or a `@proxy`
    * interface type that implements `Function`.
    */
+  @override
   DartType get propagatedInvokeType;
 
   /**
    * Set the function type of the method invocation based on the propagated type
    * information to the given [type].
    */
+  @override
   void set propagatedInvokeType(DartType type);
 
   /**
    * Return the expression used to compute the receiver of the invocation. If
    * this invocation is not part of a cascade expression, then this is the same
    * as [target]. If this invocation is part of a cascade expression, then the
    * target stored with the cascade expression is returned.
    */
   Expression get realTarget;
 
   /**
    * Return the function type of the method invocation based on the static type
    * information, or `null` if the AST structure has not been resolved, or if
    * the invoke could not be resolved.
    *
    * This will usually be a [FunctionType], but it can also be an
    * [InterfaceType] with a `call` method, `dynamic`, `Function`, or a `@proxy`
    * interface type that implements `Function`.
    */
+  @override
   DartType get staticInvokeType;
 
   /**
    * Set the function type of the method invocation based on the static type
    * information to the given [type].
    */
+  @override
   void set staticInvokeType(DartType type);
 
   /**
    * Return the expression producing the object on which the method is defined,
    * or `null` if there is no target (that is, the target is implicitly `this`)
    * or if this method invocation is part of a cascade expression.
    *
    * Use [realTarget] to get the target independent of whether this is part of a
    * cascade expression.
    */
@@ skipping 237 matching lines @@
    * Set the node that is the parent of each of the elements in the list to the
    * given [node].
    */
   @deprecated // Never intended for public use.
   void set owner(AstNode node);
 
   /**
    * Return the node at the given [index] in the list or throw a [RangeError] if
    * [index] is out of bounds.
    */
+  @override
   E operator [](int index);
 
   /**
    * Set the node at the given [index] in the list to the given [node] or throw
    * a [RangeError] if [index] is out of bounds.
    */
+  @override
   void operator []=(int index, E node);
 
   /**
    * Use the given [visitor] to visit each of the nodes in this list.
    */
   accept(AstVisitor visitor);
 }
 
 /**
  * A formal parameter that is required (is not optional).
@@ skipping 2142 matching lines @@
   /**
    * Return the 'yield' keyword.
    */
   Token get yieldKeyword;
 
   /**
    * Return the 'yield' keyword to the given [token].
    */
   void set yieldKeyword(Token token);
 }