blob: 4141b3b5f47178b49ebc2486b29caf076f449241 [file] [log] [blame]
// 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.
import 'package:analysis_server/src/provisional/completion/completion_core.dart';
import 'package:analysis_server/src/services/completion/completion_performance.dart';
import 'package:analyzer/dart/analysis/results.dart';
import 'package:analyzer/file_system/file_system.dart';
import 'package:analyzer/src/generated/source.dart';
/// The information about a requested list of completions.
class CompletionRequestImpl implements CompletionRequest {
final ResolvedUnitResult result;
final int offset;
/// The offset of the start of the text to be replaced.
/// This will be different than the [offset] used to request the completion
/// suggestions if there was a portion of an identifier before the original
/// [offset]. In particular, the [replacementOffset] will be the offset of the
/// beginning of said identifier.
int replacementOffset;
/// The length of the text to be replaced if the remainder of the identifier
/// containing the cursor is to be replaced when the suggestion is applied
/// (that is, the number of characters in the existing identifier).
/// This will be different than the [replacementOffset] - [offset]
/// if the [offset] is in the middle of an existing identifier.
int replacementLength;
bool _aborted = false;
final CompletionPerformance performance;
/// Initialize a newly created completion request based on the given
/// arguments.
CompletionRequestImpl(this.result, this.offset, this.performance)
: replacementOffset = offset,
replacementLength = 0;
ResourceProvider get resourceProvider => result.session.resourceProvider;
Source get source => result.unit.declaredElement.source;
String get sourceContents => result?.content;
/// Abort the current completion request.
void abort() {
_aborted = true;
void checkAborted() {
if (_aborted) {
throw AbortCompletion();