1 files changed, 63 insertions, 0 deletions
diff --git a/devtools/client/debugger/src/actions/sources/symbols.js b/devtools/client/debugger/src/actions/sources/symbols.js
new file mode 100644
index 0000000000..46eec46e2c
--- /dev/null
+++ b/devtools/client/debugger/src/actions/sources/symbols.js
@@ -0,0 +1,63 @@
+/* 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/>. */
+
+// @flow
+
+import { getSymbols } from "../../selectors";
+
+import { PROMISE } from "../utils/middleware/promise";
+import { updateTab } from "../tabs";
+import { loadSourceText } from "./loadSourceText";
+
+import {
+  memoizeableAction,
+  type MemoizedAction,
+} from "../../utils/memoizableAction";
+import { fulfilled } from "../../utils/async-value";
+
+import type { ThunkArgs } from "../../actions/types";
+import type { Source, Context } from "../../types";
+import type { Symbols } from "../../reducers/types";
+
+async function doSetSymbols(
+  cx: Context,
+  source: Source,
+  { dispatch, getState, parser }: ThunkArgs
+) {
+  const sourceId = source.id;
+
+  await dispatch(loadSourceText({ cx, source }));
+
+  await dispatch({
+    type: "SET_SYMBOLS",
+    cx,
+    sourceId,
+    [PROMISE]: parser.getSymbols(sourceId),
+  });
+
+  const symbols = getSymbols(getState(), source);
+  if (symbols && symbols.framework) {
+    dispatch(updateTab(source, symbols.framework));
+  }
+}
+
+export const setSymbols: MemoizedAction<
+  {| cx: Context, source: Source |},
+  ?Symbols
+> = memoizeableAction("setSymbols", {
+  getValue: ({ source }, { getState }) => {
+    if (source.isWasm) {
+      return fulfilled(null);
+    }
+
+    const symbols = getSymbols(getState(), source);
+    if (!symbols || symbols.loading) {
+      return null;
+    }
+
+    return fulfilled(symbols);
+  },
+  createKey: ({ source }) => source.id,
+  action: ({ cx, source }, thunkArgs) => doSetSymbols(cx, source, thunkArgs),
+});