| // Copyright (c) 2020, 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:dwds/src/debugging/remote_debugger.dart'; |
| import 'package:dwds/src/loaders/strategy.dart'; |
| import 'package:dwds/src/utilities/server.dart'; |
| import 'package:webkit_inspection_protocol/webkit_inspection_protocol.dart'; |
| |
| /// Meta data for a remote Dart function in Chrome. |
| class FunctionMetaData { |
| final String name; |
| FunctionMetaData(this.name); |
| |
| /// Returns the [FunctionMetaData] for the Chrome [remoteObject]. |
| static Future<FunctionMetaData> metaDataFor( |
| RemoteDebugger remoteDebugger, RemoteObject remoteObject) async { |
| final evalExpression = ''' |
| function(remoteObject) { |
| var sdkUtils = ${globalLoadStrategy.loadModuleSnippet}('dart_sdk').dart; |
| var name = remoteObject.name; |
| if(remoteObject._boundObject) { |
| name = sdkUtils.getType(remoteObject._boundObject).name + |
| '.' + remoteObject._boundMethod.name; |
| } |
| return name; |
| } |
| '''; |
| final arguments = [ |
| {'objectId': remoteObject.objectId} |
| ]; |
| final response = |
| await remoteDebugger.sendCommand('Runtime.callFunctionOn', params: { |
| 'functionDeclaration': evalExpression, |
| 'arguments': arguments, |
| 'objectId': remoteObject.objectId, |
| 'returnByValue': true, |
| }); |
| handleErrorIfPresent( |
| response, |
| evalContents: evalExpression, |
| ); |
| final name = response.result?['result']?['value'] as String?; |
| if (name == null) return FunctionMetaData('<unknown>'); |
| if (name.isEmpty) return FunctionMetaData('Closure'); |
| return FunctionMetaData(name); |
| } |
| } |