Function luaK_goiffalse

Source/Misc/lua/src/lua.c:4236–4260

static void luaK_goiffalse (FuncState *fs, expdesc *e) {
int pc;  /* pc of last jump */
luaK_dischargevars(fs, e);
switch (e->k) {
case VNIL: case VFALSE: {
pc = NO_JUMP;  /* always false; do nothing */
break;
}
case VTRUE: {
pc = luaK_jump(fs);  /* always jump */
break;
}
case VJMP: {
pc = e->u.s.info;
break;
}
default: {
pc = jumponcond(fs, e, 1);
break;
}
}
luaK_concat(fs, &e->t, pc);  /* insert last jump in `t' list */
luaK_patchtohere(fs, e->f);
e->f = NO_JUMP;
}


static void codenot (FuncState *fs, expdesc *e) {