nl_tokens: Given an argument node ( or recursed node ) attempts to return a string represenation of that node s value .
pl_tokens: function getNodeAsString ( node ) { if ( undefined === node ) { return '' ; } switch ( node . type ) { case 'BinaryExpression' : return getNodeAsString ( node . left ) + getNodeAsString ( node . right ) ; case 'StringLiteral' : return node . value ; <mask> : return '' ; } }