package code

import "jinx/pkg/libs/rangemap"

type DebugInfo struct {
	file     string
	pcToLine rangemap.RangeMap[int]
}

func NewDebugInfo(file string) DebugInfo {
	return DebugInfo{
		file:     file,
		pcToLine: rangemap.New[int](),
	}
}

func (di *DebugInfo) File() string {
	return di.file
}

func (di *DebugInfo) PCToLine(pc int) int {
	line, ok := di.pcToLine.Get(pc)
	if !ok {
		return -1
	}
	return *line
}

func (di *DebugInfo) AppendLine(uptoPc, line int) {
	di.pcToLine.AppendToLast(uptoPc, line)
}