Interprets a strict-language string and translates that to the best registered action based on hints and introspection. Supports compiling down to regex and JSGF (for PocketSphinx).

All code goes into the actions.py file.

1. Instanciate a parser with FnHintParser(). Multiple grammars are supported by using multiple parsers, otherwise they are just chained together (OR).
2. Register actions by decorating a function with @parser_name.register_fn().
3. Register command syntaxes with parser_name.register_syntax(syntax)
4. Find matches with parser_name.parse_and_run(in_string) or other parser methods.

Syntax is created using Python objects, but there are shortcuts to ease writing it.

• String: (only required if using shortcuts) StringSyntax(str) or S(str)
• OR: OrSyntax(a,b...) or a|b
• AND: AndSyntax(a,b...) or a+b or a&b
• Optional: OptionalSyntax(syntax) or ~syntax
• 0+: ZeroOrMoreSyntax(syntax) or -syntax
• 1+: OneOrMoreSyntax(syntax) or +syntax
• Weighted: WeightedSyntax(syntax, weight)
• Hinted: NamedSyntax(syntax, name) or syntax % name
• Arbitrary: (not allowed with JSGF) ArbitraryWordSyntax(accept_numbers=True)

The default actions.py listens for input on 'recognizer/speech' by default (configurable on ~speech_in)