nl_tokens: Customize Snapdragon parser and renderer
pl_tokens: function Extglob ( options ) { this . options = extend ( { source : 'extglob' } , options ) ; this . snapdragon = this . options . snapdragon || new Snapdragon ( this . options ) ; this . snapdragon . patterns = this . snapdragon . patterns || { } ; this . compiler = this . snapdragon . compiler ; this . parser = this . snapdragon . parser ; compilers ( this . snapdragon ) ; parsers ( this . snapdragon ) ; /**
     * Override Snapdragon `.parse` method
     */ define ( this . snapdragon , 'parse' , function ( str , options ) { var parsed = Snapdragon . prototype . parse . apply ( this , arguments ) ; parsed . input = str ; // escape unmatched brace/bracket/parens var last = this . <mask> . stack . pop ( ) ; if ( last && this . options . strict !== true ) { var node = last . nodes [ 0 ] ; node . val = '\\' + node . val ; var sibling = node . parent . nodes [ 1 ] ; if ( sibling . type === 'star' ) { sibling . loose = true ; } } // add non-enumerable parser reference define ( parsed , 'parser' , this . parser ) ; return parsed ; } ) ; /**
     * Decorate `.parse` method
     */ define ( this , 'parse' , function ( ast , options ) { return this . snapdragon . parse . apply ( this . snapdragon , arguments ) ; } ) ; /**
     * Decorate `.compile` method
     */ define ( this , 'compile' , function ( ast , options ) { return this . snapdragon . compile . apply ( this . snapdragon , arguments ) ; } ) ; }