Function byteOffsetToRunePosition

backend/plugin/parser/base/position.go:61–86

(sql string, byteOffset int)

}

func byteOffsetToRunePosition(sql string, byteOffset int) *storepb.Position {
	line := int32(1)
	runeCol := int32(0)
	i := 0
	for i < byteOffset {
		r, size := utf8.DecodeRuneInString(sql[i:])
		switch r {
		case '\r':
			line++
			runeCol = 0
		case '\n':
			if i == 0 || sql[i-1] != '\r' {
				line++
				runeCol = 0
			}
		default:
			runeCol++
		}
		i += size
	}

	return &storepb.Position{
		Line:   line,
		Column: runeCol + 1,
	}
}