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Extended stack always based on ci->nregs

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This commit is contained in:
Christopher Aue
2017-08-12 14:47:22 +02:00
parent 3f591d71c6
commit f2d4640998
1 changed files with 13 additions and 26 deletions
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src/vm.c
+13 -26
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@@ -501,14 +501,9 @@ mrb_exec_irep(mrb_state *mrb, mrb_value self, struct RProc *p)
if (MRB_PROC_CFUNC_P(p)) {
return p->body.func(mrb, self);
}
if (ci->argc < 0) {
stack_extend(mrb, (p->body.irep->nregs < 3) ? 3 : p->body.irep->nregs);
}
else {
stack_extend(mrb, p->body.irep->nregs);
}
ci->nregs = p->body.irep->nregs;
stack_extend(mrb, (ci->argc < 0 && ci->nregs < 3) ? 3 : ci->nregs);
ci = cipush(mrb);
ci->nregs = 0;
ci->target_class = 0;
@@ -584,7 +579,6 @@ eval_under(mrb_state *mrb, mrb_value self, mrb_value blk, struct RClass *c)
{
struct RProc *p;
mrb_callinfo *ci;
mrb_int max = 3;
if (mrb_nil_p(blk)) {
mrb_raise(mrb, E_ARGUMENT_ERROR, "no block given");
@@ -607,8 +601,7 @@ eval_under(mrb_state *mrb, mrb_value self, mrb_value blk, struct RClass *c)
return p->body.func(mrb, self);
}
ci->nregs = p->body.irep->nregs;
if (max < ci->nregs) max = ci->nregs;
stack_extend(mrb, max);
stack_extend(mrb, (ci->nregs < 3) ? 3 : ci->nregs);
mrb->c->stack[0] = self;
mrb->c->stack[1] = self;
mrb->c->stack[2] = mrb_nil_value();
@@ -712,14 +705,8 @@ mrb_yield_with_class(mrb_state *mrb, mrb_value b, mrb_int argc, const mrb_value
ci->target_class = c;
ci->acc = CI_ACC_SKIP;
mrb->c->stack = mrb->c->stack + n;
if (MRB_PROC_CFUNC_P(p)) {
ci->nregs = argc + 2;
stack_extend(mrb, ci->nregs);
}
else {
ci->nregs = p->body.irep->nregs;
stack_extend(mrb, ci->nregs);
}
ci->nregs = MRB_PROC_CFUNC_P(p) ? argc+2 : p->body.irep->nregs;
stack_extend(mrb, ci->nregs);
mrb->c->stack[0] = self;
if (argc > 0) {
@@ -1353,8 +1340,8 @@ RETRY_TRY_BLOCK:
recv = regs[a];
if (GET_OPCODE(i) != OP_SENDB) {
if (bidx >= ci->nregs) {
stack_extend(mrb, bidx+1);
ci->nregs = bidx+1;
stack_extend(mrb, ci->nregs);
}
SET_NIL_VALUE(regs[bidx]);
blk = regs[bidx];
@@ -1363,8 +1350,8 @@ RETRY_TRY_BLOCK:
blk = regs[bidx];
if (!mrb_nil_p(blk) && mrb_type(blk) != MRB_TT_PROC) {
if (bidx >= ci->nregs) {
stack_extend(mrb, bidx+1);
ci->nregs = bidx+1;
stack_extend(mrb, ci->nregs);
}
blk = regs[bidx] = mrb_convert_type(mrb, blk, MRB_TT_PROC, "Proc", "to_proc");
}
@@ -1447,7 +1434,7 @@ RETRY_TRY_BLOCK:
pool = irep->pool;
syms = irep->syms;
ci->nregs = irep->nregs;
stack_extend(mrb, (argc < 0 && irep->nregs < 3) ? 3 : irep->nregs);
stack_extend(mrb, (argc < 0 && ci->nregs < 3) ? 3 : ci->nregs);
pc = irep->iseq;
JUMP;
}
@@ -1512,7 +1499,7 @@ RETRY_TRY_BLOCK:
pool = irep->pool;
syms = irep->syms;
ci->nregs = irep->nregs;
stack_extend(mrb, irep->nregs);
stack_extend(mrb, ci->nregs);
if (ci->argc < 0) {
if (irep->nregs > 3) {
stack_clear(regs+3, irep->nregs-3);
@@ -1550,8 +1537,8 @@ RETRY_TRY_BLOCK:
blk = regs[bidx];
if (!mrb_nil_p(blk) && mrb_type(blk) != MRB_TT_PROC) {
if (bidx >= ci->nregs) {
stack_extend(mrb, bidx+1);
ci->nregs = bidx+1;
stack_extend(mrb, ci->nregs);
}
blk = regs[bidx] = mrb_convert_type(mrb, blk, MRB_TT_PROC, "Proc", "to_proc");
}
@@ -1627,7 +1614,7 @@ RETRY_TRY_BLOCK:
pool = irep->pool;
syms = irep->syms;
ci->nregs = irep->nregs;
stack_extend(mrb, (argc < 0 && irep->nregs < 3) ? 3 : irep->nregs);
stack_extend(mrb, (argc < 0 && ci->nregs < 3) ? 3 : ci->nregs);
pc = irep->iseq;
JUMP;
}
@@ -2755,9 +2742,9 @@ RETRY_TRY_BLOCK:
irep = p->body.irep;
pool = irep->pool;
syms = irep->syms;
stack_extend(mrb, irep->nregs);
stack_clear(regs+1, irep->nregs-1);
ci->nregs = irep->nregs;
stack_extend(mrb, ci->nregs);
stack_clear(regs+1, ci->nregs-1);
pc = irep->iseq;
JUMP;
}