unfork DDC's copy of most SDK libraries

pkg/dev_compiler/tool/input_sdk/lib/developer/extension.dart

Index: pkg/dev_compiler/tool/input_sdk/lib/developer/extension.dart
diff --git a/pkg/dev_compiler/tool/input_sdk/lib/developer/extension.dart b/pkg/dev_compiler/tool/input_sdk/lib/developer/extension.dart
deleted file mode 100644
index 5883fb58a921938ecb7f37c09aa70b4f2637fdd5..0000000000000000000000000000000000000000
--- a/pkg/dev_compiler/tool/input_sdk/lib/developer/extension.dart
+++ /dev/null
@@ -1,177 +0,0 @@
-// 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.
-
-part of dart.developer;
-
-/// A response to a service protocol extension RPC.
-///
-/// If the RPC was successful, use [ServiceExtensionResponse.result], otherwise
-/// use [ServiceExtensionResponse.error].
-class ServiceExtensionResponse {
-  final String _result;
-  final int _errorCode;
-  final String _errorDetail;
-
-  /// Creates a successful response to a service protocol extension RPC.
-  ///
-  /// Requires [result] to be a JSON object encoded as a string. When forming
-  /// the JSON-RPC message [result] will be inlined directly.
-  ServiceExtensionResponse.result(String result)
-      : _result = result,
-        _errorCode = null,
-        _errorDetail = null {
-    if (_result is! String) {
-      throw new ArgumentError.value(_result, "result", "Must be a String");
-    }
-  }
-
-  /// Creates an error response to a service protocol extension RPC.
-  ///
-  /// Requires [errorCode] to be [invalidParams] or between [extensionErrorMin]
-  /// and [extensionErrorMax]. Requires [errorDetail] to be a JSON object
-  /// encoded as a string. When forming the JSON-RPC message [errorDetail] will
-  /// be inlined directly.
-  ServiceExtensionResponse.error(int errorCode, String errorDetail)
-      : _result = null,
-        _errorCode = errorCode,
-        _errorDetail = errorDetail {
-    _validateErrorCode(_errorCode);
-    if (_errorDetail is! String) {
-      throw new ArgumentError.value(_errorDetail,
-                                    "errorDetail",
-                                    "Must be a String");
-    }
-  }
-
-  /// Invalid method parameter(s) error code.
-  @deprecated static const kInvalidParams = invalidParams;
-  /// Generic extension error code.
-  @deprecated static const kExtensionError = extensionError;
-  /// Maximum extension provided error code.
-  @deprecated static const kExtensionErrorMax = extensionErrorMax;
-  /// Minimum extension provided error code.
-  @deprecated static const kExtensionErrorMin = extensionErrorMin;
-
-  /// Invalid method parameter(s) error code.
-  static const invalidParams = -32602;
-  /// Generic extension error code.
-  static const extensionError = -32000;
-  /// Maximum extension provided error code.
-  static const extensionErrorMax = -32000;
-  /// Minimum extension provided error code.
-  static const extensionErrorMin = -32016;
-
-
-  static String _errorCodeMessage(int errorCode) {
-    _validateErrorCode(errorCode);
-    if (errorCode == kInvalidParams) {
-      return "Invalid params";
-    }
-    return "Server error";
-  }
-
-  static _validateErrorCode(int errorCode) {
-    if (errorCode is! int) {
-      throw new ArgumentError.value(errorCode, "errorCode", "Must be an int");
-    }
-    if (errorCode == invalidParams) {
-      return;
-    }
-    if ((errorCode >= extensionErrorMin) &&
-        (errorCode <= extensionErrorMax)) {
-      return;
-    }
-    throw new ArgumentError.value(errorCode, "errorCode", "Out of range");
-  }
-
-  bool _isError() => (_errorCode != null) && (_errorDetail != null);
-
-  String _toString() {
-    if (_result != null) {
-      return _result;
-    } else {
-      assert(_errorCode != null);
-      assert(_errorDetail != null);
-      return JSON.encode({
-        'code': _errorCode,
-        'message': _errorCodeMessage(_errorCode),
-        'data': {
-          'details': _errorDetail
-        }
-      });
-    }
-  }
-}
-
-/// A service protocol extension handler. Registered with [registerExtension].
-///
-/// Must complete to a [ServiceExtensionResponse].
-///
-/// [method] - the method name of the service protocol request.
-/// [parameters] - A map holding the parameters to the service protocol request.
-///
-/// *NOTE*: All parameter names and values are **encoded as strings**.
-typedef Future<ServiceExtensionResponse>
-    ServiceExtensionHandler(String method, Map<String, String> parameters);
-
-/// Register a [ServiceExtensionHandler] that will be invoked in this isolate
-/// for [method]. *NOTE*: Service protocol extensions must be registered
-/// in each isolate.
-///
-/// *NOTE*: [method] must begin with 'ext.' and you should use the following
-/// structure to avoid conflicts with other packages: 'ext.package.command'.
-/// That is, immediately following the 'ext.' prefix, should be the registering
-/// package name followed by another period ('.') and then the command name.
-/// For example: 'ext.dart.io.getOpenFiles'.
-///
-/// Because service extensions are isolate specific, clients using extensions
-/// must always include an 'isolateId' parameter with each RPC.
-void registerExtension(String method, ServiceExtensionHandler handler) {
-  if (method is! String) {
-    throw new ArgumentError.value(method,
-                                  'method',
-                                  'Must be a String');
-  }
-  if (!method.startsWith('ext.')) {
-    throw new ArgumentError.value(method,
-                                  'method',
-                                  'Must begin with ext.');
-  }
-  if (_lookupExtension(method) != null) {
-    throw new ArgumentError('Extension already registered: $method');
-  }
-  if (handler is! ServiceExtensionHandler) {
-    throw new ArgumentError.value(handler,
-                                  'handler',
-                                  'Must be a ServiceExtensionHandler');
-  }
-  _registerExtension(method, handler);
-}
-
-/// Post an event of [eventKind] with payload of [eventData] to the `Extension`
-/// event stream.
-void postEvent(String eventKind, Map eventData) {
-  if (eventKind is! String) {
-    throw new ArgumentError.value(eventKind,
-                                  'eventKind',
-                                  'Must be a String');
-  }
-  if (eventData is! Map) {
-    throw new ArgumentError.value(eventData,
-                                  'eventData',
-                                  'Must be a Map');
-  }
-  String eventDataAsString = JSON.encode(eventData);
-  _postEvent(eventKind, eventDataAsString);
-}
-
-external _postEvent(String eventKind, String eventData);
-
-// Both of these functions are written inside C++ to avoid updating the data
-// structures in Dart, getting an OOB, and observing stale state. Do not move
-// these into Dart code unless you can ensure that the operations will can be
-// done atomically. Native code lives in vm/isolate.cc-
-// LookupServiceExtensionHandler and RegisterServiceExtensionHandler.
-external ServiceExtensionHandler _lookupExtension(String method);
-external _registerExtension(String method, ServiceExtensionHandler handler);