package code

import (
	"jinx/pkg/libs/rangemap"
	"jinx/pkg/libs/source"
)

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

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

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

func (di *DebugInfo) PCToLoc(pc int) (source.Loc, bool) {
	loc := di.pcToLine.Get(pc)
	if loc == nil {
		return source.Loc{}, false
	}
	return *loc, true
}

func (di *DebugInfo) AppendLine(uptoPc, line int) {
	di.pcToLine.AppendToLast(uptoPc, source.Loc{Row: line, Col: 0})
}

func (di *DebugInfo) FillInfo(from, to int, loc source.Loc) {
	di.pcToLine.Fill(from, to, loc)
}

func (di *DebugInfo) AppendOther(other DebugInfo) {
	di.pcToLine.AppendRanges(other.pcToLine)
}