| 346 | } |
| 347 | |
| 348 | func compareNumbers(a, b super.Value, aid, bid int) int { |
| 349 | switch { |
| 350 | case super.IsFloat(aid): |
| 351 | return cmp.Compare(a.Float(), toFloat(b)) |
| 352 | case super.IsFloat(bid): |
| 353 | return cmp.Compare(toFloat(a), b.Float()) |
| 354 | case super.IsSigned(aid): |
| 355 | av := a.Int() |
| 356 | if super.IsUnsigned(bid) { |
| 357 | if av < 0 { |
| 358 | return -1 |
| 359 | } |
| 360 | return cmp.Compare(uint64(av), b.Uint()) |
| 361 | } |
| 362 | return cmp.Compare(av, b.Int()) |
| 363 | case super.IsSigned(bid): |
| 364 | bv := b.Int() |
| 365 | if super.IsUnsigned(aid) { |
| 366 | if bv < 0 { |
| 367 | return 1 |
| 368 | } |
| 369 | return cmp.Compare(a.Uint(), uint64(bv)) |
| 370 | } |
| 371 | return cmp.Compare(a.Int(), bv) |
| 372 | } |
| 373 | return cmp.Compare(a.Uint(), b.Uint()) |
| 374 | } |
| 375 | |
| 376 | type isNullExpr struct { |
| 377 | eval Evaluator |