Revert "Add sharedfrontend package"

pkg/sharedfrontend/lib/src/access_semantics.dart

Index: pkg/sharedfrontend/lib/src/access_semantics.dart
diff --git a/pkg/sharedfrontend/lib/src/access_semantics.dart b/pkg/sharedfrontend/lib/src/access_semantics.dart
deleted file mode 100644
index 465386d2658ad445cc93d239056be9c8271208b8..0000000000000000000000000000000000000000
--- a/pkg/sharedfrontend/lib/src/access_semantics.dart
+++ /dev/null
@@ -1,264 +0,0 @@
-// 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.
-
-/**
- * Code for classifying the semantics of identifiers appearing in a Dart file.
- */
-library sharedfrontend.access_semantics;
-
-import '../elements.dart';
-
-/**
- * Enum representing the different kinds of destinations which a property
- * access or method or function invocation might refer to.
- */
-class AccessKind {
-  /**
-   * The destination of the access is an instance method, property, or field
-   * of a class, and thus must be determined dynamically.
-   */
-  static const AccessKind DYNAMIC = const AccessKind._('DYNAMIC');
-
-  /**
-   * The destination of the access is a function that is defined locally within
-   * an enclosing function or method.
-   */
-  static const AccessKind LOCAL_FUNCTION = const AccessKind._('LOCAL_FUNCTION');
-
-  /**
-   * The destination of the access is a variable that is defined locally within
-   * an enclosing function or method.
-   */
-  static const AccessKind LOCAL_VARIABLE = const AccessKind._('LOCAL_VARIABLE');
-
-  /**
-   * The destination of the access is a variable that is defined as a parameter
-   * to an enclosing function or method.
-   */
-  static const AccessKind PARAMETER = const AccessKind._('PARAMETER');
-
-  /**
-   * The destination of the access is a field that is defined statically within
-   * a class, or a top level variable within a library.
-   */
-  static const AccessKind STATIC_FIELD = const AccessKind._('STATIC_FIELD');
-
-  /**
-   * The destination of the access is a method that is defined statically
-   * within a class, or at top level within a library.
-   */
-  static const AccessKind STATIC_METHOD = const AccessKind._('STATIC_METHOD');
-
-  /**
-   * The destination of the access is a property getter/setter that is defined
-   * statically within a class, or at top level within a library.
-   */
-  static const AccessKind STATIC_PROPERTY =
-      const AccessKind._('STATIC_PROPERTY');
-
-  /**
-   * The destination of the access is a toplevel class, function typedef, mixin
-   * application, or the built-in type "dynamic".
-   */
-  static const AccessKind TOPLEVEL_TYPE = const AccessKind._('TOPLEVEL_TYPE');
-
-  /**
-   * The destination of the access is a type parameter of the enclosing class.
-   */
-  static const AccessKind TYPE_PARAMETER = const AccessKind._('TYPE_PARAMETER');
-
-  final String name;
-
-  const AccessKind._(this.name);
-
-  String toString() => name;
-}
-
-/**
- * Data structure used to classify the semantics of a property access or method
- * or function invocation.
- */
-// TODO(paulberry,johnniwinther): Support index operations in AccessSemantics.
-class AccessSemantics {
-  /**
-   * The kind of access.
-   */
-  final AccessKind kind;
-
-  /**
-   * The name being used to access the property, method, or function.
-   */
-  final String name;
-
-  /**
-   * The element being accessed, if statically known.  This will be null if
-   * [kind] is DYNAMIC or if the element is undefined (e.g. an attempt to
-   * access a non-existent static method in a class).
-   */
-  final Element element;
-
-  /**
-   * The class containing the element being accessed, if this is a static
-   * reference to an element in a class.  This will be null if [kind] is
-   * DYNAMIC, LOCAL_FUNCTION, LOCAL_VARIABLE, PARAMETER, TOPLEVEL_CLASS, or
-   * TYPE_PARAMETER, or if the element being accessed is defined at toplevel
-   * within a library.
-   *
-   * Note: it is possible for [classElement] to be non-null and for [element]
-   * to be null; for example this occurs if the element being accessed is a
-   * non-existent static method or field inside an existing class.
-   */
-  final ClassElement classElement;
-
-  // TODO(paulberry): would it also be useful to store the libraryElement?
-
-  /**
-   * When [kind] is DYNAMIC, the expression whose runtime type determines the
-   * class in which [identifier] should be looked up.  Null if the expression
-   * is implicit "this".
-   *
-   * When [kind] is not DYNAMIC, this field is always null.
-   */
-  final /*Expression*/ target;
-
-  /**
-   * True if this is an invocation of a method, or a call on a property.
-   */
-  final bool isInvoke;
-
-  /**
-   * True if this is a read access to a property, or a method tear-off.  Note
-   * that both [isRead] and [isWrite] will be true in the case of a
-   * read-modify-write operation (e.g. "+=").
-   */
-  final bool isRead;// => !isInvoke && identifier.inGetterContext();
-
-  /**
-   * True if this is a write access to a property, or an (erroneous) attempt to
-   * write to a method.  Note that both [isRead] and [isWrite] will be true in
-   * the case of a read-modify-write operation (e.g. "+=").
-   */
-  final bool isWrite; // => identifier.inSetterContext();
-
-  AccessSemantics.dynamic(
-      this.name,
-      this.target,
-      {this.isInvoke: false,
-       this.isRead: false,
-       this.isWrite: false})
-      : kind = AccessKind.DYNAMIC,
-        element = null,
-        classElement = null;
-
-  AccessSemantics.localFunction(
-      this.name,
-      this.element,
-      {this.isInvoke: false,
-       this.isRead: false,
-       this.isWrite: false})
-      : kind = AccessKind.LOCAL_FUNCTION,
-        classElement = null,
-        target = null;
-
-  AccessSemantics.localVariable(
-      this.name,
-      this.element,
-      {this.isInvoke: false,
-       this.isRead: false,
-       this.isWrite: false})
-      : kind = AccessKind.LOCAL_VARIABLE,
-        classElement = null,
-        target = null;
-
-  AccessSemantics.parameter(
-      this.name,
-      this.element,
-      {this.isInvoke: false,
-       this.isRead: false,
-       this.isWrite: false})
-      : kind = AccessKind.PARAMETER,
-        classElement = null,
-        target = null;
-
-  AccessSemantics.staticField(
-      this.name,
-      this.element,
-      this.classElement,
-      {this.isInvoke: false,
-       this.isRead: false,
-       this.isWrite: false})
-      : kind = AccessKind.STATIC_FIELD,
-        target = null;
-
-  AccessSemantics.staticMethod(
-      this.name,
-      this.element,
-      this.classElement,
-      {this.isInvoke: false,
-       this.isRead: false,
-       this.isWrite: false})
-      : kind = AccessKind.STATIC_METHOD,
-        target = null;
-
-  AccessSemantics.staticProperty(
-      this.name,
-      this.element,
-      this.classElement,
-      {this.isInvoke: false,
-       this.isRead: false,
-       this.isWrite: false})
-      : kind = AccessKind.STATIC_PROPERTY,
-        target = null;
-
-  AccessSemantics.toplevelType(
-      this.name,
-      this.element,
-      {this.isInvoke: false,
-       this.isRead: false,
-       this.isWrite: false})
-      : kind = AccessKind.TOPLEVEL_TYPE,
-        classElement = null,
-        target = null;
-
-  AccessSemantics.typeParameter(
-      this.name,
-      this.element,
-      {this.isInvoke: false,
-       this.isRead: false,
-       this.isWrite: false})
-      : kind = AccessKind.TYPE_PARAMETER,
-        classElement = null,
-        target = null;
-
-  String toString() {
-    StringBuffer sb = new StringBuffer();
-    sb.write('AccessSemantics[');
-    sb.write('kind=$kind,');
-    if (isRead && isWrite) {
-      assert(!isInvoke);
-      sb.write('read/write,');
-    } else if (isRead) {
-      sb.write('read,');
-    } else if (isWrite) {
-      sb.write('write,');
-    } else if (isInvoke) {
-      sb.write('call,');
-    }
-    if (element != null) {
-      sb.write('element=');
-      if (classElement != null) {
-        sb.write('${classElement.name}.');
-      }
-      sb.write('${element}');
-    } else {
-      if (target == null) {
-        sb.write('target=this.$name');
-      } else {
-        sb.write('target=$target.$name');
-      }
-    }
-    sb.write(']');
-    return sb.toString();
-  }
-}