nl_tokens: get ast from loaded id ( if applicable )
pl_tokens: function getAST ( load ) { if ( load . ast ) { return load . ast ; } else { if ( load . <mask> ) { const opts = Object . assign ( { sourceFile : load . sourceFile } , parseOpts ) ; return acorn . parse ( load . source , opts ) ; } else { throw new Error ( 'Cannot get AST!' ) ; } } }