Properly split dart:_vmservice across sdk and runtime

runtime/lib/vmservice/message.dart

-// Copyright (c) 2013, 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.
-
-part of vmservice;
-
-class Message {
-  final Completer _completer = new Completer.sync();
-  bool get completed => _completer.isCompleted;
-  /// Future of response.
-  Future<String> get response => _completer.future;
-  Client client;
-
-  // Client-side identifier for this message.
-  final serial;
-
-  // In new messages.
-  final String method;
-
-  // In old messages.
-  final List path = new List();
-
-  final Map params = new Map();
-
-  void _setPath(List<String> pathSegments) {
-    if (pathSegments == null) {
-      return;
-    }
-    pathSegments.forEach((String segment) {
-      if (segment == null || segment == '') {
-        return;
-      }
-      path.add(segment);
-    });
-  }
-
-  Message.fromJsonRpc(this.client, Map map)
-      : serial = map['id'], method = map['method'] {
-    if (map['params'] != null) {
-      params.addAll(map['params']);
-    }
-  }
-
-  static String _methodNameFromUri(Uri uri) {
-    if (uri == null) {
-      return '';
-    }
-    if (uri.pathSegments.length == 0) {
-      return '';
-    }
-    return uri.pathSegments[0];
-  }
-
-  Message.fromUri(this.client, Uri uri)
-      : serial = '', method = _methodNameFromUri(uri) {
-    params.addAll(uri.queryParameters);
-  }
-
-  Message.forIsolate(this.client, Uri uri, RunningIsolate isolate)
-      : serial = '', method = _methodNameFromUri(uri) {
-    params.addAll(uri.queryParameters);
-    params['isolateId'] = isolate.serviceId;
-  }
-
-  Uri toUri() {
-    return new Uri(path: method, queryParameters: params);
-  }
-
-  dynamic toJson() {
-    return {
-      'path': path,
-      'params': params
-    };
-  }
-
-  // Calls toString on all non-String elements of [list]. We do this so all
-  // elements in the list are strings, making consumption by C++ simpler.
-  // This has a side effect that boolean literal values like true become 'true'
-  // and thus indistinguishable from the string literal 'true'.
-  List _makeAllString(List list) {
-    if (list == null) {
-      return null;
-    }
-    for (var i = 0; i < list.length; i++) {
-      if (list[i] is String) {
-        continue;
-      }
-      list[i] = list[i].toString();
-    }
-    return list;
-  }
-
-  Future<String> send(SendPort sendPort) {
-    final receivePort = new RawReceivePort();
-    receivePort.handler = (value) {
-      receivePort.close();
-      _completer.complete(value);
-    };
-    var keys = _makeAllString(params.keys.toList(growable:false));
-    var values = _makeAllString(params.values.toList(growable:false));
-    var request = new List(6)
-        ..[0] = 0  // Make room for OOB message type.
-        ..[1] = receivePort.sendPort
-        ..[2] = serial
-        ..[3] = method
-        ..[4] = keys
-        ..[5] = values;
-    if (!sendIsolateServiceMessage(sendPort, request)) {
-      _completer.complete(JSON.encode({
-          'type': 'ServiceError',
-          'id': '',
-          'kind': 'InternalError',
-          'message': 'could not send message [${serial}] to isolate',
-      }));
-    }
-    return _completer.future;
-  }
-
-  Future<String> sendToVM() {
-    final receivePort = new RawReceivePort();
-    receivePort.handler = (value) {
-      receivePort.close();
-      _completer.complete(value);
-    };
-    var keys = _makeAllString(params.keys.toList(growable:false));
-    var values = _makeAllString(params.values.toList(growable:false));
-    var request = new List(6)
-        ..[0] = 0  // Make room for OOB message type.
-        ..[1] = receivePort.sendPort
-        ..[2] = serial
-        ..[3] = method
-        ..[4] = keys
-        ..[5] = values;
-    sendRootServiceMessage(request);
-    return _completer.future;
-  }
-
-  void setResponse(String response) {
-    _completer.complete(response);
-  }
-
-  void setErrorResponse(int code, String details) {
-    _completer.complete(encodeRpcError(this, code,
-                                       details: '$method: $details'));
-  }
-}
-
-bool sendIsolateServiceMessage(SendPort sp, List m)
-    native "VMService_SendIsolateServiceMessage";
-
-void sendRootServiceMessage(List m)
-    native "VMService_SendRootServiceMessage";