nl_tokens: transform RamdaScript source to chunks
pl_tokens: function srcToChunks ( src , opts , ctx ) { opts = opts || { } var ast = <mask> ( src , opts ) // check semantic var errors = semantic . checkAst ( ast , ctx ) // there is semantic errors? if ( errors ) { if ( opts . printErrors !== false ) { errors . forEach ( function ( e ) { console . error ( e ) } ) } return // everything ok } else { return compiler . astToChunks ( ast , ctx , opts . format ) } }