1 files changed, 41 insertions, 0 deletions
diff --git a/devtools/shared/webconsole/GenerateReservedWordsJS.py b/devtools/shared/webconsole/GenerateReservedWordsJS.py
new file mode 100644
index 0000000000..4ecc35feff
--- /dev/null
+++ b/devtools/shared/webconsole/GenerateReservedWordsJS.py
@@ -0,0 +1,41 @@
+# 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/.
+
+from __future__ import absolute_import
+import re
+import sys
+
+
+def read_reserved_word_list(filename):
+    macro_pat = re.compile(r"^\s*MACRO\(([^,]+), *[^,]+, *[^\)]+\)\s*\\?$")
+
+    reserved_word_list = []
+    with open(filename, "r") as f:
+        for line in f:
+            m = macro_pat.search(line)
+            if m:
+                reserved_word_list.append(m.group(1))
+
+    assert len(reserved_word_list) != 0
+
+    return reserved_word_list
+
+
+def line(opt, s):
+    opt["output"].write("{}\n".format(s))
+
+
+def main(output, reserved_words_h):
+    reserved_word_list = read_reserved_word_list(reserved_words_h)
+    opt = {"output": output}
+
+    line(opt, "const JS_RESERVED_WORDS = [")
+    for word in reserved_word_list:
+        line(opt, '  "{}",'.format(word))
+    line(opt, "];")
+    line(opt, "module.exports = JS_RESERVED_WORDS;")
+
+
+if __name__ == "__main__":
+    main(sys.stdout, *sys.argv[1:])