Rename Invocation to InvocationMirror.

dart/sdk/lib/core/invocation_mirror.dart

-// Copyright (c) 2012, 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.
-
-part of dart.core;
-
-/**
- * Representation of the invocation of a member on an object.
- *
- * This is the type of objects passed to [Object.noSuchMethod] when
- * an object doesn't support the member invocation that was attempted
- * on it.
- */
-abstract class InvocationMirror {
-  /** The name of the invoked member. */
-  String get memberName;
-
-  /** An unmodifiable view of the positional arguments of the call. */
-  List get positionalArguments;
-
-  /** An unmodifiable view of the named arguments of the call. */
-  Map<String, dynamic> get namedArguments;
-
-  /** Whether the invocation was a method call. */
-  bool get isMethod;
-
-  /**
-   * Whether the invocation was a getter call.
-   * If so, both types of arguments will be null.
-   */
-  bool get isGetter;
-
-  /**
-   * Whether the invocation was a setter call.
-   *
-   * If so, [arguments] will have exactly one positonal argument,
-   * and namedArguments will be null.
-   */
-  bool get isSetter;
-
-  /** Whether the invocation was a getter or a setter call. */
-  bool get isAccessor => isGetter || isSetter;
-
-  /**
-   * Perform the invocation on the provided object.
-   *
-   * If the object doesn't support the invocation, its [noSuchMethod]
-   * method will be called with either this [InvocationMirror] or another
-   * equivalent [InvocationMirror].
-   */
-  invokeOn(Object receiver);
-}