Syntax is very human readable, yet still expressive. In terms of extending, is there an easy interface for generating custom waveforms? Or alternatively, if I

Syntax is very human readable, yet still expressive. In terms of extending, is there an easy interface for generating custom waveforms? Or alternatively, if I generate sine oscillator raw data just using javascript math functions, can I mix the resulting waveform into a Handel chuck that's already running? My first though was that this would make a great basis for Visual Coding! Great Work ;)