Move index/search to services.

pkg/analyzer/lib/search/search_engine.dart

Index: pkg/analyzer/lib/search/search_engine.dart
diff --git a/pkg/analyzer/lib/search/search_engine.dart b/pkg/analyzer/lib/search/search_engine.dart
deleted file mode 100644
index a2579dda4f444ef0340ac6b1aa298195be8e4bb2..0000000000000000000000000000000000000000
--- a/pkg/analyzer/lib/search/search_engine.dart
+++ /dev/null
@@ -1,419 +0,0 @@
-// 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.
-
-// This code was auto-generated, is not intended to be edited, and is subject to
-// significant change. Please see the README file for more information.
-
-library engine.search_engine;
-
-import 'dart:async';
-
-import 'package:analyzer/src/generated/element.dart';
-import 'package:analyzer/src/generated/java_core.dart';
-import 'package:analyzer/src/generated/source.dart';
-
-
-/**
- * A [Comparator] that can be used to sort the [SearchMatch]s based on the names
- * of the matched elements.
- */
-final Comparator<SearchMatch> SEARCH_MATCH_NAME_COMPARATOR =
-    (SearchMatch firstMatch, SearchMatch secondMatch) {
-  String firstName = firstMatch.element.displayName;
-  String secondName = secondMatch.element.displayName;
-  return firstName.compareTo(secondName);
-};
-
-
-/**
- * Instances of the enum [MatchKind] represent the kind of reference that was
- * found when a match represents a reference to an element.
- */
-class MatchKind extends Enum<MatchKind> {
-  /**
-   * A reference to an Angular element.
-   */
-  static const MatchKind ANGULAR_REFERENCE = const MatchKind(
-      'ANGULAR_REFERENCE', 0);
-
-  /**
-   * A reference to an Angular element.
-   */
-  static const MatchKind ANGULAR_CLOSING_TAG_REFERENCE = const MatchKind(
-      'ANGULAR_CLOSING_TAG_REFERENCE', 1);
-
-  /**
-   * A declaration of a class.
-   */
-  static const MatchKind CLASS_DECLARATION = const MatchKind(
-      'CLASS_DECLARATION', 2);
-
-  /**
-   * A declaration of a class alias.
-   */
-  static const MatchKind CLASS_ALIAS_DECLARATION = const MatchKind(
-      'CLASS_ALIAS_DECLARATION', 3);
-
-  /**
-   * A declaration of a constructor.
-   */
-  static const MatchKind CONSTRUCTOR_DECLARATION = const MatchKind(
-      'CONSTRUCTOR_DECLARATION', 4);
-
-  /**
-   * A reference to a constructor in which the constructor is being referenced.
-   */
-  static const MatchKind CONSTRUCTOR_REFERENCE = const MatchKind(
-      'CONSTRUCTOR_REFERENCE', 5);
-
-  /**
-   * A reference to a type in which the type was extended.
-   */
-  static const MatchKind EXTENDS_REFERENCE = const MatchKind(
-      'EXTENDS_REFERENCE', 6);
-
-  /**
-   * A reference to a field in which the field's value is being invoked.
-   */
-  static const MatchKind FIELD_INVOCATION = const MatchKind('FIELD_INVOCATION',
-      7);
-
-  /**
-   * A reference to a field (from field formal parameter).
-   */
-  static const MatchKind FIELD_REFERENCE = const MatchKind('FIELD_REFERENCE',
-      8);
-
-  /**
-   * A reference to a field in which the field's value is being read.
-   */
-  static const MatchKind FIELD_READ = const MatchKind('FIELD_READ', 9);
-
-  /**
-   * A reference to a field in which the field's value is being written.
-   */
-  static const MatchKind FIELD_WRITE = const MatchKind('FIELD_WRITE', 10);
-
-  /**
-   * A declaration of a function.
-   */
-  static const MatchKind FUNCTION_DECLARATION = const MatchKind(
-      'FUNCTION_DECLARATION', 11);
-
-  /**
-   * A reference to a function in which the function is being executed.
-   */
-  static const MatchKind FUNCTION_EXECUTION = const MatchKind(
-      'FUNCTION_EXECUTION', 12);
-
-  /**
-   * A reference to a function in which the function is being referenced.
-   */
-  static const MatchKind FUNCTION_REFERENCE = const MatchKind(
-      'FUNCTION_REFERENCE', 13);
-
-  /**
-   * A declaration of a function type.
-   */
-  static const MatchKind FUNCTION_TYPE_DECLARATION = const MatchKind(
-      'FUNCTION_TYPE_DECLARATION', 14);
-
-  /**
-   * A reference to a function type.
-   */
-  static const MatchKind FUNCTION_TYPE_REFERENCE = const MatchKind(
-      'FUNCTION_TYPE_REFERENCE', 15);
-
-  /**
-   * A reference to a type in which the type was implemented.
-   */
-  static const MatchKind IMPLEMENTS_REFERENCE = const MatchKind(
-      'IMPLEMENTS_REFERENCE', 16);
-
-  /**
-   * A reference to a [ImportElement].
-   */
-  static const MatchKind IMPORT_REFERENCE = const MatchKind('IMPORT_REFERENCE',
-      17);
-
-  /**
-   * A reference to a class that is implementing a specified type.
-   */
-  static const MatchKind INTERFACE_IMPLEMENTED = const MatchKind(
-      'INTERFACE_IMPLEMENTED', 18);
-
-  /**
-   * A reference to a [LibraryElement].
-   */
-  static const MatchKind LIBRARY_REFERENCE = const MatchKind(
-      'LIBRARY_REFERENCE', 19);
-
-  /**
-   * A reference to a method in which the method is being invoked.
-   */
-  static const MatchKind METHOD_INVOCATION = const MatchKind(
-      'METHOD_INVOCATION', 20);
-
-  /**
-   * A reference to a method in which the method is being referenced.
-   */
-  static const MatchKind METHOD_REFERENCE = const MatchKind('METHOD_REFERENCE',
-      21);
-
-  /**
-   * A declaration of a name.
-   */
-  static const MatchKind NAME_DECLARATION = const MatchKind('NAME_DECLARATION',
-      22);
-
-  /**
-   * A reference to a name, resolved.
-   */
-  static const MatchKind NAME_REFERENCE_RESOLVED = const MatchKind(
-      'NAME_REFERENCE_RESOLVED', 23);
-
-  /**
-   * An invocation of a name, resolved.
-   */
-  static const MatchKind NAME_INVOCATION_RESOLVED = const MatchKind(
-      'NAME_INVOCATION_RESOLVED', 24);
-
-  /**
-   * A reference to a name in which the name's value is being read.
-   */
-  static const MatchKind NAME_READ_RESOLVED = const MatchKind(
-      'NAME_READ_RESOLVED', 25);
-
-  /**
-   * A reference to a name in which the name's value is being read and written.
-   */
-  static const MatchKind NAME_READ_WRITE_RESOLVED = const MatchKind(
-      'NAME_READ_WRITE_RESOLVED', 26);
-
-  /**
-   * A reference to a name in which the name's value is being written.
-   */
-  static const MatchKind NAME_WRITE_RESOLVED = const MatchKind(
-      'NAME_WRITE_RESOLVED', 27);
-
-  /**
-   * An invocation of a name, unresolved.
-   */
-  static const MatchKind NAME_INVOCATION_UNRESOLVED = const MatchKind(
-      'NAME_INVOCATION_UNRESOLVED', 28);
-
-  /**
-   * A reference to a name in which the name's value is being read.
-   */
-  static const MatchKind NAME_READ_UNRESOLVED = const MatchKind(
-      'NAME_READ_UNRESOLVED', 29);
-
-  /**
-   * A reference to a name in which the name's value is being read and written.
-   */
-  static const MatchKind NAME_READ_WRITE_UNRESOLVED = const MatchKind(
-      'NAME_READ_WRITE_UNRESOLVED', 30);
-
-  /**
-   * A reference to a name in which the name's value is being written.
-   */
-  static const MatchKind NAME_WRITE_UNRESOLVED = const MatchKind(
-      'NAME_WRITE_UNRESOLVED', 31);
-
-  /**
-   * A reference to a name, unresolved.
-   */
-  static const MatchKind NAME_REFERENCE_UNRESOLVED = const MatchKind(
-      'NAME_REFERENCE_UNRESOLVED', 32);
-
-  /**
-   * A reference to a named parameter in invocation.
-   */
-  static const MatchKind NAMED_PARAMETER_REFERENCE = const MatchKind(
-      'NAMED_PARAMETER_REFERENCE', 33);
-
-  /**
-   * A reference to a property accessor.
-   */
-  static const MatchKind PROPERTY_ACCESSOR_REFERENCE = const MatchKind(
-      'PROPERTY_ACCESSOR_REFERENCE', 34);
-
-  /**
-   * A reference to a type.
-   */
-  static const MatchKind TYPE_REFERENCE = const MatchKind('TYPE_REFERENCE', 35);
-
-  /**
-   * A reference to a type parameter.
-   */
-  static const MatchKind TYPE_PARAMETER_REFERENCE = const MatchKind(
-      'TYPE_PARAMETER_REFERENCE', 36);
-
-  /**
-   * A reference to a [CompilationUnitElement].
-   */
-  static const MatchKind UNIT_REFERENCE = const MatchKind('UNIT_REFERENCE', 37);
-
-  /**
-   * A declaration of a variable.
-   */
-  static const MatchKind VARIABLE_DECLARATION = const MatchKind(
-      'VARIABLE_DECLARATION', 38);
-
-  /**
-   * A reference to a variable in which the variable's value is being read.
-   */
-  static const MatchKind VARIABLE_READ = const MatchKind('VARIABLE_READ', 39);
-
-  /**
-   * A reference to a variable in which the variable's value is being both read
-   * and write.
-   */
-  static const MatchKind VARIABLE_READ_WRITE = const MatchKind(
-      'VARIABLE_READ_WRITE', 40);
-
-  /**
-   * A reference to a variable in which the variables's value is being written.
-   */
-  static const MatchKind VARIABLE_WRITE = const MatchKind('VARIABLE_WRITE', 41);
-
-  /**
-   * A reference to a type in which the type was mixed in.
-   */
-  static const MatchKind WITH_REFERENCE = const MatchKind('WITH_REFERENCE', 42);
-
-  static const List<MatchKind> values = const [ANGULAR_REFERENCE,
-      ANGULAR_CLOSING_TAG_REFERENCE, CLASS_DECLARATION, CLASS_ALIAS_DECLARATION,
-      CONSTRUCTOR_DECLARATION, CONSTRUCTOR_REFERENCE, EXTENDS_REFERENCE,
-      FIELD_INVOCATION, FIELD_REFERENCE, FIELD_READ, FIELD_WRITE,
-      FUNCTION_DECLARATION, FUNCTION_EXECUTION, FUNCTION_REFERENCE,
-      FUNCTION_TYPE_DECLARATION, FUNCTION_TYPE_REFERENCE, IMPLEMENTS_REFERENCE,
-      IMPORT_REFERENCE, INTERFACE_IMPLEMENTED, LIBRARY_REFERENCE, METHOD_INVOCATION,
-      METHOD_REFERENCE, NAME_DECLARATION, NAME_REFERENCE_RESOLVED,
-      NAME_INVOCATION_RESOLVED, NAME_READ_RESOLVED, NAME_READ_WRITE_RESOLVED,
-      NAME_WRITE_RESOLVED, NAME_INVOCATION_UNRESOLVED, NAME_READ_UNRESOLVED,
-      NAME_READ_WRITE_UNRESOLVED, NAME_WRITE_UNRESOLVED, NAME_REFERENCE_UNRESOLVED,
-      NAMED_PARAMETER_REFERENCE, PROPERTY_ACCESSOR_REFERENCE, TYPE_REFERENCE,
-      TYPE_PARAMETER_REFERENCE, UNIT_REFERENCE, VARIABLE_DECLARATION, VARIABLE_READ,
-      VARIABLE_READ_WRITE, VARIABLE_WRITE, WITH_REFERENCE];
-
-  const MatchKind(String name, int ordinal) : super(name, ordinal);
-}
-
-
-/**
- * The interface [SearchEngine] defines the behavior of objects that can be used
- * to search for various pieces of information.
- */
-abstract class SearchEngine {
-//  /**
-//   * Returns types assigned to the given field or top-level variable.
-//   *
-//   * [variable] - the field or top-level variable to find assigned types for.
-//   */
-//  Future<Set<DartType>> searchAssignedTypes(PropertyInducingElement variable);
-
-  /**
-   * Returns declarations of class members with the given name.
-   *
-   * [name] - the name being declared by the found matches.
-   */
-  Future<List<SearchMatch>> searchMemberDeclarations(String name);
-
-  /**
-   * Returns all resolved and unresolved qualified references to the class
-   * members with given [name].
-   *
-   * [name] - the name being referenced by the found matches.
-   */
-  Future<List<SearchMatch>> searchMemberReferences(String name);
-
-  /**
-   * Returns references to the given [Element].
-   *
-   * [element] - the [Element] being referenced by the found matches.
-   */
-  Future<List<SearchMatch>> searchReferences(Element element);
-
-  /**
-   * Returns subtypes of the given [type].
-   *
-   * [type] - the [ClassElemnet] being subtyped by the found matches.
-   */
-  Future<List<SearchMatch>> searchSubtypes(ClassElement type);
-
-  /**
-   * Returns all the top-level declarations matching the given pattern.
-   *
-   * [pattern] the regular expression used to match the names of the
-   *    declarations to be found.
-   */
-  Future<List<SearchMatch>> searchTopLevelDeclarations(String pattern);
-}
-
-/**
- * Instances of the class [SearchMatch] represent a match found by
- * [SearchEngine].
- */
-class SearchMatch {
-  /**
-   * The kind of the match.
-   */
-  final MatchKind kind;
-
-  /**
-   * The element containing the source range that was matched.
-   */
-  final Element element;
-
-  /**
-   * The source range that was matched.
-   */
-  final SourceRange sourceRange;
-
-  /**
-   * Is `true` if the match is a resolved reference to some [Element].
-   */
-  final bool isResolved;
-
-  /**
-   * Is `true` if field or method access is done using qualifier.
-   */
-  bool qualified = false;
-
-  SearchMatch(this.kind, this.element, this.sourceRange, this.isResolved);
-
-  @override
-  int get hashCode => JavaArrays.makeHashCode([element, sourceRange, kind]);
-
-  @override
-  bool operator ==(Object object) {
-    if (identical(object, this)) {
-      return true;
-    }
-    if (object is SearchMatch) {
-      return kind == object.kind && isResolved == object.isResolved && qualified
-          == object.qualified && sourceRange == object.sourceRange && element ==
-          object.element;
-    }
-    return false;
-  }
-
-  @override
-  String toString() {
-    StringBuffer buffer = new StringBuffer();
-    buffer.write("SearchMatch(kind=");
-    buffer.write(kind);
-    buffer.write(", isResolved=");
-    buffer.write(isResolved);
-    buffer.write(", element=");
-    buffer.write(element.displayName);
-    buffer.write(", range=");
-    buffer.write(sourceRange);
-    buffer.write(", qualified=");
-    buffer.write(qualified);
-    buffer.write(")");
-    return buffer.toString();
-  }
-}