| 641 | |
| 642 | |
| 643 | void luaK_goiffalse (FuncState *fs, expdesc *e) { |
| 644 | int pc; /* pc of last jump */ |
| 645 | luaK_dischargevars(fs, e); |
| 646 | switch (e->k) { |
| 647 | case VJMP: { |
| 648 | pc = e->u.info; |
| 649 | break; |
| 650 | } |
| 651 | case VNIL: case VFALSE: { |
| 652 | pc = NO_JUMP; /* always false; do nothing */ |
| 653 | break; |
| 654 | } |
| 655 | default: { |
| 656 | pc = jumponcond(fs, e, 1); |
| 657 | break; |
| 658 | } |
| 659 | } |
| 660 | luaK_concat(fs, &e->t, pc); /* insert last jump in `t' list */ |
| 661 | luaK_patchtohere(fs, e->f); |
| 662 | e->f = NO_JUMP; |
| 663 | } |
| 664 | |
| 665 | |
| 666 | static void codenot (FuncState *fs, expdesc *e) { |