recursion tutorial

@{%

const lexer = moo.compile({
  click:         /click/,
  convol1:       /convol1/,
  heart:       /heart/,
  separator:  />/,
  number:       /-?(?:[0-9]|[1-9][0-9]+)(?:\.[0-9]+)?(?:[eE][-+]?[0-9]+)?\b/,
  ws:           {match: /\s+/, lineBreaks: true},
});

%}



# Pass your lexer object using the @lexer option
@lexer lexer

main -> _ Statement _                                         {% d => ({ "@lang" : d[1] })  %}

Statement ->
  SampleName %separator %number
  {% d => [{"@sigOut": { "@spawn": sema.synth('loop',[sema.num(d[2].value),sema.str(d[0])]) }}] %}

SampleName -> (%click | %convol1 | %heart) {% d => d[0][0].value %}

# Whitespace

_  -> wschar:*                                                {% function(d) {return null;} %}
__ -> wschar:+                                                {% function(d) {return null;} %}

wschar -> %ws                                                 {% id %}