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lset/lerf can access to torn-off regions because of call/cc

This commit is contained in:
Yuichi Nishiwaki 2014-09-01 09:01:00 +09:00
parent 129c4c1bd9
commit a3a8b11d4b
1 changed files with 12 additions and 0 deletions
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12
vm.c
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@ -668,10 +668,22 @@ pic_apply(pic_state *pic, struct pic_proc *proc, pic_value argv)
NEXT; NEXT;
} }
CASE(OP_LREF) { CASE(OP_LREF) {
pic_callinfo *ci = pic->ci;
if (ci->env != NULL && ci->env->regs == ci->env->storage) {
PUSH(ci->env->regs[c.u.i - (ci->regs - ci->fp)]);
NEXT;
}
PUSH(pic->ci->fp[c.u.i]); PUSH(pic->ci->fp[c.u.i]);
NEXT; NEXT;
} }
CASE(OP_LSET) { CASE(OP_LSET) {
pic_callinfo *ci = pic->ci;
if (ci->env != NULL && ci->env->regs == ci->env->storage) {
ci->env->regs[c.u.i - (ci->regs - ci->fp)] = POP();
NEXT;
}
pic->ci->fp[c.u.i] = POP(); pic->ci->fp[c.u.i] = POP();
NEXT; NEXT;
} }