first commit

build/node_modules/prepack/lib/debugger/server/channel/DebugChannel.js

@@ -0,0 +1,127 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.DebugChannel = undefined;
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); /**
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      * Copyright (c) 2017-present, Facebook, Inc.
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      * All rights reserved.
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      *
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      * This source code is licensed under the BSD-style license found in the
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      * LICENSE file in the root directory of this source tree. An additional grant
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      * of patent rights can be found in the PATENTS file in the same directory.
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      */
+
+var _invariant = require("./../../common/invariant.js");
+
+var _invariant2 = _interopRequireDefault(_invariant);
+
+var _FileIOWrapper = require("./../../common/channel/FileIOWrapper.js");
+
+var _DebugMessage = require("./../../common/channel/DebugMessage.js");
+
+var _MessageMarshaller = require("./../../common/channel/MessageMarshaller.js");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+//Channel used by the DebugServer in Prepack to communicate with the debug adapter
+var DebugChannel = exports.DebugChannel = function () {
+  function DebugChannel(ioWrapper) {
+    _classCallCheck(this, DebugChannel);
+
+    this._requestReceived = false;
+    this._ioWrapper = ioWrapper;
+    this._marshaller = new _MessageMarshaller.MessageMarshaller();
+  }
+
+  _createClass(DebugChannel, [{
+    key: "debuggerIsAttached",
+
+
+    /*
+    /* Only called in the beginning to check if a debugger is attached
+    */
+    value: function debuggerIsAttached() {
+      var message = this._ioWrapper.readInSyncOnce();
+      if (message === null) return false;
+      var parts = message.split(" ");
+      var requestID = parseInt(parts[0], 10);
+      (0, _invariant2.default)(!isNaN(requestID), "Request ID must be a number");
+      var command = parts[1];
+      if (command === _DebugMessage.DebugMessage.DEBUGGER_ATTACHED) {
+        this._requestReceived = true;
+        this._ioWrapper.clearInFile();
+        this.writeOut(requestID + " " + _DebugMessage.DebugMessage.PREPACK_READY_RESPONSE);
+        return true;
+      }
+      return false;
+    }
+
+    /* Reads in a request from the debug adapter
+    /* The caller is responsible for sending a response with the appropriate
+    /* contents at the right time.
+    */
+
+  }, {
+    key: "readIn",
+    value: function readIn() {
+      var message = this._ioWrapper.readInSync();
+      this._requestReceived = true;
+      return this._marshaller.unmarshallRequest(message);
+    }
+
+    // Write out a response to the debug adapter
+
+  }, {
+    key: "writeOut",
+    value: function writeOut(contents) {
+      //Prepack only writes back to the debug adapter in response to a request
+      (0, _invariant2.default)(this._requestReceived, "Prepack writing message without being requested: " + contents);
+      this._ioWrapper.writeOutSync(contents);
+      this._requestReceived = false;
+    }
+  }, {
+    key: "sendBreakpointsAcknowledge",
+    value: function sendBreakpointsAcknowledge(messageType, requestID, args) {
+      this.writeOut(this._marshaller.marshallBreakpointAcknowledge(requestID, messageType, args.breakpoints));
+    }
+  }, {
+    key: "sendStoppedResponse",
+    value: function sendStoppedResponse(reason, filePath, line, column) {
+      this.writeOut(this._marshaller.marshallStoppedResponse(reason, filePath, line, column));
+    }
+  }, {
+    key: "sendStackframeResponse",
+    value: function sendStackframeResponse(requestID, stackframes) {
+      this.writeOut(this._marshaller.marshallStackFramesResponse(requestID, stackframes));
+    }
+  }, {
+    key: "sendScopesResponse",
+    value: function sendScopesResponse(requestID, scopes) {
+      this.writeOut(this._marshaller.marshallScopesResponse(requestID, scopes));
+    }
+  }, {
+    key: "sendVariablesResponse",
+    value: function sendVariablesResponse(requestID, variables) {
+      this.writeOut(this._marshaller.marshallVariablesResponse(requestID, variables));
+    }
+  }, {
+    key: "sendEvaluateResponse",
+    value: function sendEvaluateResponse(requestID, evalResult) {
+      this.writeOut(this._marshaller.marshallEvaluateResponse(requestID, evalResult));
+    }
+  }, {
+    key: "shutdown",
+    value: function shutdown() {
+      this._ioWrapper.clearInFile();
+      this._ioWrapper.clearOutFile();
+    }
+  }]);
+
+  return DebugChannel;
+}();
+//# sourceMappingURL=DebugChannel.js.map