// license that can be found in the LICENSE file.

package pods

import (
	"cmp"
	"fmt"
	"internal/coverage"
	"os"
	"path/filepath"
	"regexp"
	"slices"
	"strconv"
	"strings"
)

// Pod encapsulates a set of files emitted during the executions of a
// coverage-instrumented binary. Each pod contains a single meta-data
// file, and then 0 or more counter data files that refer to that

    fun systemPropertiesCleared() = mode.toTrackingMode().systemPropertiesCleared()

    private
    inner class ModeHolder {
        // ModeHolder encapsulates concurrent mode updates.
        private
        var mode: TrackerMode = Initial()

        private
        inline fun <T : TrackerMode> setMode(transition: (TrackerMode) -> T): T {
            synchronized(this) {

	// maps function to index in slice above (index acts as function ID)
	funcTable map[fnfile]uint32

	// A table storing coverage counts for each coverable unit.
	unitTable map[extcu]uint32
}

// extcu encapsulates a coverable unit within some function.
type extcu struct {
	fnfid uint32 // index into p.funcs slice
	coverage.CoverableUnit
}

// fnfile is a function-name/file-name tuple.
type fnfile struct {
	file  string