nl_tokens: walk down the path swapping out linked pathparts for their real values
pl_tokens: function LOOP ( ) { // stop if scanned past end of path if ( pos >= p . length ) { if ( cache ) cache [ original ] = p ; return cb ( null , p ) ; } // find the next part nextPartRe . lastIndex = pos ; var result = nextPartRe . exec ( p ) ; previous = current ; current += result [ 0 ] ; base = previous + result [ 1 ] ; pos = nextPartRe . lastIndex ; // continue if not a symlink if ( knownHard [ base ] || ( cache && cache [ base ] === <mask> ) ) { return process . nextTick ( LOOP ) ; } if ( cache && Object . prototype . hasOwnProperty . call ( cache , base ) ) { // known symbolic link.  no need to stat again. return gotResolvedLink ( cache [ base ] ) ; } return fs . lstat ( base , gotStat ) ; }