vJASS is a syntax used by World Editor for Warcraft 3. Its compiler is JassHelper by Cohadar/Vexorian. http://www.wc3c.net/vexorian/jasshelpermanual.html#keykeykey
snnipets, highlighting, completion, definition, reference and hover.
The source code to this extension is available on https://github.com/FakedWeiss/awesome-vjass-support.git and licensed under the MIT license.
Enjoy!