Remove old index and search implementations.

pkg/analysis_server/lib/src/services/index/indexable_element.dart

-// 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.
-
-library src.services.index;
-
-import 'dart:collection';
-
-import 'package:analysis_server/src/provisional/index/index_core.dart';
-import 'package:analyzer/dart/element/element.dart';
-import 'package:analyzer/src/generated/engine.dart';
-import 'package:analyzer/src/generated/source.dart';
-import 'package:analyzer/src/generated/utilities_general.dart';
-
-/**
- * A wrapper around an [Element] that implements the [IndexableObject] interface.
- */
-class IndexableElement implements IndexableObject {
-  /**
-   * The element being wrapped.
-   */
-  final Element element;
-
-  /**
-   * Initialize a newly created wrapper to wrap the given [element].
-   */
-  IndexableElement(this.element) {
-    if (element == null) {
-      throw new ArgumentError.notNull('element');
-    }
-  }
-
-  @override
-  String get filePath {
-    return element.source?.fullName;
-  }
-
-  @override
-  int get hashCode => element.hashCode;
-
-  @override
-  IndexableElementKind get kind => IndexableElementKind.forElement(element);
-
-  @override
-  int get offset {
-    if (element is ConstructorElement) {
-      return element.enclosingElement.nameOffset;
-    }
-    return element.nameOffset;
-  }
-
-  @override
-  bool operator ==(Object object) =>
-      object is IndexableElement && element == object.element;
-
-  @override
-  String toString() => element.toString();
-}
-
-/**
- * The kind associated with an [IndexableElement].
- */
-class IndexableElementKind implements IndexableObjectKind<IndexableElement> {
-  /**
-   * A table mapping element kinds to the corresponding indexable element kind.
-   */
-  static final Map<ElementKind, IndexableElementKind> _kindMap =
-      new HashMap<ElementKind, IndexableElementKind>();
-
-  /**
-   * A table mapping the index of a constructor (in the lexically-ordered list
-   * of constructors associated with a class) to the indexable element kind used
-   * to represent it.
-   */
-  static final Map<int, IndexableElementKind> _constructorKinds =
-      new HashMap<int, IndexableElementKind>();
-
-  @override
-  final int index = IndexableObjectKind.nextIndex;
-
-  /**
-   * The element kind represented by this index element kind.
-   */
-  final ElementKind elementKind;
-
-  /**
-   * Initialize a newly created kind to have the given [index] and be associated
-   * with the given [elementKind].
-   */
-  IndexableElementKind._(this.elementKind) {
-    IndexableObjectKind.register(this);
-  }
-
-  /**
-   * Return the index of the constructor with this indexable element kind.
-   */
-  int get constructorIndex {
-    for (int index in _constructorKinds.keys) {
-      if (_constructorKinds[index] == this) {
-        return index;
-      }
-    }
-    return -1;
-  }
-
-  @override
-  IndexableElement decode(
-      AnalysisContext context, String filePath, int offset) {
-    List<Source> unitSources = context.getSourcesWithFullName(filePath);
-    for (Source unitSource in unitSources) {
-      List<Source> libSources = context.getLibrariesContaining(unitSource);
-      for (Source libSource in libSources) {
-        CompilationUnitElement unitElement =
-            context.getCompilationUnitElement(unitSource, libSource);
-        if (unitElement == null) {
-          return null;
-        }
-        if (elementKind == ElementKind.LIBRARY) {
-          return new IndexableElement(unitElement.library);
-        } else if (elementKind == ElementKind.COMPILATION_UNIT) {
-          return new IndexableElement(unitElement);
-        } else {
-          Element element = unitElement.getElementAt(offset);
-          if (element == null) {
-            return null;
-          }
-          if (element is ClassElement &&
-              elementKind == ElementKind.CONSTRUCTOR) {
-            return new IndexableElement(element.constructors[constructorIndex]);
-          }
-          if (element is PropertyInducingElement) {
-            if (elementKind == ElementKind.GETTER) {
-              return new IndexableElement(element.getter);
-            }
-            if (elementKind == ElementKind.SETTER) {
-              return new IndexableElement(element.setter);
-            }
-          }
-          return new IndexableElement(element);
-        }
-      }
-    }
-    return null;
-  }
-
-  @override
-  int encodeHash(StringToInt stringToInt, IndexableElement indexable) {
-    Element element = indexable.element;
-    String elementName = element.displayName;
-    int elementNameId = stringToInt(elementName);
-    LibraryElement libraryElement = element.library;
-    if (libraryElement != null) {
-      String libraryPath = libraryElement.source.fullName;
-      int libraryPathId = stringToInt(libraryPath);
-      return JenkinsSmiHash.combine(libraryPathId, elementNameId);
-    }
-    return elementNameId;
-  }
-
-  /**
-   * Return the indexable element kind representing the given [element].
-   */
-  static IndexableElementKind forElement(Element element) {
-    if (element is ConstructorElement) {
-      ClassElement classElement = element.enclosingElement;
-      int constructorIndex = classElement.constructors.indexOf(element);
-      return _constructorKinds.putIfAbsent(constructorIndex,
-          () => new IndexableElementKind._(ElementKind.CONSTRUCTOR));
-    }
-    ElementKind elementKind = element.kind;
-    return _kindMap.putIfAbsent(
-        elementKind, () => new IndexableElementKind._(elementKind));
-  }
-}