blob: ccdbbaf8d12f21d3c88033f8c695549382bf14bb [file] [log] [blame]
// Copyright (c) 2022, 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.
import 'dart:async';
import 'package:analysis_server/plugin/protocol/protocol_dart.dart' as protocol;
import 'package:analysis_server/protocol/protocol_generated.dart' as protocol;
import 'package:analysis_server/src/handler/legacy/legacy_handler.dart';
import 'package:analysis_server/src/search/element_references.dart';
import 'package:analyzer/dart/element/element.dart';
/// The handler for the `search.findElementReferences` request.
class SearchFindElementReferencesHandler extends LegacyHandler {
/// Initialize a newly created handler to be able to service requests for the
/// [server].
SearchFindElementReferencesHandler(
super.server, super.request, super.cancellationToken);
@override
Future<void> handle() async {
final searchEngine = server.searchEngine;
var params =
protocol.SearchFindElementReferencesParams.fromRequest(request);
var file = params.file;
// prepare element
var element = await server.getElementAtOffset(file, params.offset);
if (element is ImportElement) {
element = element.prefix;
}
if (element is FieldFormalParameterElement) {
element = element.field;
}
if (element is PropertyAccessorElement) {
element = element.variable;
}
// respond
var searchId = (server.nextSearchId++).toString();
var result = protocol.SearchFindElementReferencesResult();
if (element != null) {
result.id = searchId;
var withNullability = element.library?.isNonNullableByDefault ?? false;
result.element =
protocol.convertElement(element, withNullability: withNullability);
}
sendResult(result);
// search elements
if (element != null) {
var computer = ElementReferencesComputer(searchEngine);
var results = await computer.compute(element, params.includePotential);
sendSearchResults(
protocol.SearchResultsParams(searchId, results.toList(), true));
}
}
}