1 files changed, 73 insertions, 0 deletions
diff --git a/devtools/server/actors/thread-configuration.js b/devtools/server/actors/thread-configuration.js
new file mode 100644
index 0000000000..d846bbb276
--- /dev/null
+++ b/devtools/server/actors/thread-configuration.js
@@ -0,0 +1,73 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+const { Actor } = require("resource://devtools/shared/protocol.js");
+const {
+  threadConfigurationSpec,
+} = require("resource://devtools/shared/specs/thread-configuration.js");
+
+const {
+  SessionDataHelpers,
+} = require("resource://devtools/server/actors/watcher/SessionDataHelpers.jsm");
+const {
+  SUPPORTED_DATA: { THREAD_CONFIGURATION },
+} = SessionDataHelpers;
+
+// List of options supported by this thread configuration actor.
+const SUPPORTED_OPTIONS = {
+  // Enable pausing on exceptions.
+  pauseOnExceptions: true,
+  // Disable pausing on caught exceptions.
+  ignoreCaughtExceptions: true,
+  // Include previously saved stack frames when paused.
+  shouldIncludeSavedFrames: true,
+  // Include async stack frames when paused.
+  shouldIncludeAsyncLiveFrames: true,
+  // Stop pausing on breakpoints.
+  skipBreakpoints: true,
+  // Log the event break points.
+  logEventBreakpoints: true,
+  // Enable debugging asm & wasm.
+  // See https://searchfox.org/mozilla-central/source/js/src/doc/Debugger/Debugger.md#16-26
+  observeAsmJS: true,
+  observeWasm: true,
+  // Should pause all the workers untill thread has attached.
+  pauseWorkersUntilAttach: true,
+};
+
+/**
+ * This actor manages the configuration options which apply to thread actor for all the targets.
+ *
+ * Configuration options should be applied to all concerned targets when the
+ * configuration is updated, and new targets should also be able to read the
+ * flags when they are created. The flags will be forwarded to the WatcherActor
+ * and stored as THREAD_CONFIGURATION data entries.
+ *
+ * @constructor
+ *
+ */
+class ThreadConfigurationActor extends Actor {
+  constructor(watcherActor) {
+    super(watcherActor.conn, threadConfigurationSpec);
+    this.watcherActor = watcherActor;
+  }
+
+  async updateConfiguration(configuration) {
+    const configArray = Object.keys(configuration)
+      .filter(key => {
+        if (!SUPPORTED_OPTIONS[key]) {
+          console.warn(`Unsupported option for ThreadConfiguration: ${key}`);
+          return false;
+        }
+        return true;
+      })
+      .map(key => ({ key, value: configuration[key] }));
+
+    await this.watcherActor.addDataEntry(THREAD_CONFIGURATION, configArray);
+  }
+}
+
+exports.ThreadConfigurationActor = ThreadConfigurationActor;