I'm in the process of updating the Emacs mode to ANTLR v3 and v4.
Adding more language option will be part of it.
I still have to learn which languages are really supported by ANTLR, and how well non-cc-mode based major-modes can be used (e.g. for syntax highlighting and indentation inside actions).
(For good cc-mode support, the author of that mode provided me with some functions.)
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I'm in the process of updating the Emacs mode to ANTLR v3 and v4.
Adding more language option will be part of it.
I still have to learn which languages are really supported by ANTLR, and how well non-cc-mode based major-modes can be used (e.g. for syntax highlighting and indentation inside actions).
(For good cc-mode support, the author of that mode provided me with some functions.)
OK, syntax highlighting is now supported; indentation of Python code inside the grammar currently not.
Is supported now, but requires an upcoming Emacs (post 24.5).