| // 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 'package:analyzer/dart/analysis/results.dart'; |
| import 'package:analyzer/dart/analysis/session.dart'; |
| import 'package:analyzer/dart/element/element.dart'; |
| import 'package:analyzer/src/utilities/extensions/library_element.dart'; |
| |
| extension AnalysisSessionExtension on AnalysisSession { |
| /// Return the resolved library for the library containing the file with the |
| /// given [path]. |
| Future<ResolvedLibraryResult?> getResolvedContainingLibrary( |
| String path, |
| ) async { |
| var unitElement = await getUnitElement(path); |
| if (unitElement is! UnitElementResult) { |
| return null; |
| } |
| var libraryPath = unitElement.element.library.source.fullName; |
| var result = await getResolvedLibrary(libraryPath); |
| return result is ResolvedLibraryResult ? result : null; |
| } |
| |
| /// Locates the [Element] that [location] represents. |
| /// |
| /// Local elements such as variables inside functions cannot be found using |
| /// this method. |
| /// |
| /// Returns `null` if the element cannot be found. |
| Future<Element?> locateElement(ElementLocation location) async { |
| var components = location.components; |
| if (location.components.isEmpty) { |
| return null; |
| } |
| |
| // The first component is the library which we'll use to start the search. |
| var libraryUri = components.first; |
| var result = await getLibraryByUri(libraryUri); |
| return result is LibraryElementResult |
| ? result.element.locateElement(location) |
| : null; |
| } |
| } |