nl_tokens: Compile a value and append to generated code
pl_tokens: function compileValue ( <mask> ) { if ( value . subtype === 'array' ) { return compileArray ( value ) } else if ( value . subtype === 'object' ) { return compileObject ( value ) } else if ( value . subtype === 'mixin' ) { return compileMixin ( value ) } else if ( value . subtype === 'js' ) { return compileJS ( value ) } else if ( value . subtype === 'function' ) { return compileFunction ( value ) } throw new Error ( 'Invalid subtype: ' + value . subtype ) }