Function OpenSymCache

parse/syms/cache.go:114–126

OpenSymCache opens cache of symbols into given symbol (typically a package, module, library), which is at given filename -- returns time stamp when cache was last saved

(lang fileinfo.Known, filename string)

// (typically a package, module, library), which is at given
// filename -- returns time stamp when cache was last saved
func OpenSymCache(lang fileinfo.Known, filename string) (*Symbol, time.Time, error) {
	cfile, err := CacheFilename(lang, filename)
	if err != nil {
		return nil, time.Time{}, err
	}
	info, err := os.Stat(cfile)
	if os.IsNotExist(err) {
		return nil, time.Time{}, err
	}
	sy := &Symbol{}
	err = sy.OpenJSON(cfile)
	return sy, info.ModTime(), err
}