func (d *dstate) EndCounters() {
}

func (d *dstate) VisitMetaDataFile(mdf string, mfr *decodemeta.CoverageMetaFileReader) {
	newgran := mfr.CounterGranularity()
	newmode := mfr.CounterMode()
	if err := d.cm.SetModeAndGranularity(mdf, newmode, newgran); err != nil {
		fatal("%v", err)
	}
	if d.cmd == debugDumpMode {
		fmt.Printf("Cover mode: %s\n", newmode.String())
		fmt.Printf("Cover granularity: %s\n", newgran.String())
	}

	// Record file hash.
	mm.pod.fileHash = mfr.FileHash()
	// Counter mode and granularity -- detect and record clashes here.
	newgran := mfr.CounterGranularity()
	newmode := mfr.CounterMode()
	if err := mm.SetModeAndGranularity(mdf, newmode, newgran); err != nil {
		fatal("%v", err)
	}
}

func (mm *metaMerge) beginCounterDataFile(cdr *decodecounter.CounterDataReader) {
	state := argvalues{
		osargs: cdr.OsArgs(),