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vm.c (cipush): push block information in the callinfoa; fix #5786

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This commit is contained in:
Yukihiro "Matz" Matsumoto
2022-09-01 18:57:19 +09:00
parent 4f0679bb86
commit eecb6cc080
2 changed files with 31 additions and 34 deletions
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include/mruby.h
+1
View File
@@ -178,6 +178,7 @@ typedef struct {
uint8_t cci; /* called from C function */
mrb_sym mid;
const struct RProc *proc;
struct RProc *blk;
mrb_value *stack;
const mrb_code *pc; /* current address on iseq of this proc */
union {
src/vm.c
+30 -34
View File
@@ -328,9 +328,11 @@ mrb_vm_ci_env_set(mrb_callinfo *ci, struct REnv *e)
#define CINFO_DIRECT 2
#define CINFO_RESUMED 3
#define BLK_PTR(b) ((mrb_proc_p(b)) ? mrb_proc_ptr(b) : NULL)
static inline mrb_callinfo*
cipush(mrb_state *mrb, mrb_int push_stacks, uint8_t cci,
struct RClass *target_class, const struct RProc *proc, mrb_sym mid, uint16_t argc)
cipush(mrb_state *mrb, mrb_int push_stacks, uint8_t cci, struct RClass *target_class,
const struct RProc *proc, struct RProc *blk, mrb_sym mid, uint16_t argc)
{
struct mrb_context *c = mrb->c;
mrb_callinfo *ci = c->ci;
@@ -348,6 +350,7 @@ cipush(mrb_state *mrb, mrb_int push_stacks, uint8_t cci,
ci = ++c->ci;
ci->mid = mid;
CI_PROC_SET(ci, proc);
ci->blk = blk;
ci->stack = ci[-1].stack + push_stacks;
ci->n = argc & 0xf;
ci->nk = (argc>>4) & 0xf;
@@ -406,6 +409,10 @@ cipop(mrb_state *mrb)
struct REnv *env = CI_ENV(c->ci);
mrb_vm_ci_env_set(c->ci, NULL); // make possible to free by GC if env is not needed
struct RProc *b = c->ci->blk;
if (b && !MRB_PROC_STRICT_P(b) && MRB_PROC_ENV(b) == CI_ENV(&c->ci[-1])) {
b->flags |= MRB_PROC_ORPHAN;
}
if (env && !mrb_env_unshare(mrb, env, TRUE)) {
c->ci--; // exceptions are handled at the method caller; see #3087
mrb_exc_raise(mrb, mrb_obj_value(mrb->nomem_err));
@@ -613,6 +620,16 @@ funcall_args_capture(mrb_state *mrb, int stoff, mrb_int argc, const mrb_value *a
}
}
static mrb_value
ensure_block(mrb_state *mrb, mrb_value blk)
{
if (!mrb_nil_p(blk) && !mrb_proc_p(blk)) {
blk = mrb_type_convert(mrb, blk, MRB_TT_PROC, MRB_SYM(to_proc));
/* The stack might have been reallocated during mrb_type_convert(), see #3622 */
}
return blk;
}
MRB_API mrb_value
mrb_funcall_with_block(mrb_state *mrb, mrb_value self, mrb_sym mid, mrb_int argc, const mrb_value *argv, mrb_value blk)
{
@@ -650,7 +667,8 @@ mrb_funcall_with_block(mrb_state *mrb, mrb_value self, mrb_sym mid, mrb_int argc
if (ci - mrb->c->cibase > MRB_CALL_LEVEL_MAX) {
mrb_exc_raise(mrb, mrb_obj_value(mrb->stack_err));
}
ci = cipush(mrb, n, CINFO_DIRECT, NULL, NULL, 0, 0);
blk = ensure_block(mrb, blk);
ci = cipush(mrb, n, CINFO_DIRECT, NULL, NULL, BLK_PTR(blk), 0, 0);
funcall_args_capture(mrb, 0, argc, argv, blk, ci);
ci->u.target_class = mrb_class(mrb, self);
m = mrb_method_search_vm(mrb, &ci->u.target_class, mid);
@@ -724,7 +742,7 @@ exec_irep(mrb_state *mrb, mrb_value self, struct RProc *p)
stack_clear(ci->stack+keep, nregs-keep);
}
cipush(mrb, 0, 0, NULL, NULL, 0, 0);
cipush(mrb, 0, 0, NULL, NULL, NULL, 0, 0);
return self;
}
@@ -742,7 +760,7 @@ mrb_exec_irep(mrb_state *mrb, mrb_value self, struct RProc *p)
if (MRB_PROC_NOARG_P(p)) {
check_method_noarg(mrb, ci);
}
cipush(mrb, 0, CINFO_DIRECT, CI_TARGET_CLASS(ci), p, ci->mid, ci->n|(ci->nk<<4));
cipush(mrb, 0, CINFO_DIRECT, CI_TARGET_CLASS(ci), p, NULL, ci->mid, ci->n|(ci->nk<<4));
ret = MRB_PROC_CFUNC(p)(mrb, self);
cipop(mrb);
}
@@ -887,7 +905,7 @@ eval_under(mrb_state *mrb, mrb_value self, mrb_value blk, struct RClass *c)
mrb->c->ci->stack[0] = self;
mrb->c->ci->stack[1] = self;
stack_clear(mrb->c->ci->stack+2, nregs-2);
ci = cipush(mrb, 0, 0, NULL, NULL, 0, 0);
ci = cipush(mrb, 0, 0, NULL, NULL, NULL, 0, 0);
return self;
}
@@ -958,7 +976,7 @@ mrb_yield_with_class(mrb_state *mrb, mrb_value b, mrb_int argc, const mrb_value
ci = mrb->c->ci;
n = mrb_ci_nregs(ci);
p = mrb_proc_ptr(b);
ci = cipush(mrb, n, CINFO_DIRECT, NULL, NULL, 0, 0);
ci = cipush(mrb, n, CINFO_DIRECT, NULL, NULL, NULL, 0, 0);
funcall_args_capture(mrb, 0, argc, argv, mrb_nil_value(), ci);
ci->u.target_class = c;
ci->mid = mid;
@@ -1714,11 +1732,7 @@ RETRY_TRY_BLOCK:
SET_NIL_VALUE(blk);
}
else {
blk = regs[bidx];
if (!mrb_nil_p(blk) && !mrb_proc_p(blk)) {
blk = mrb_type_convert(mrb, blk, MRB_TT_PROC, MRB_SYM(to_proc));
/* The stack might have been reallocated during mrb_type_convert(), see #3622 */
}
blk = ensure_block(mrb, regs[bidx]);
regs[new_bidx] = blk;
}
@@ -1726,7 +1740,7 @@ RETRY_TRY_BLOCK:
ci = mrb->c->ci;
cls = (insn == OP_SUPER) ? CI_TARGET_CLASS(ci)->super : mrb_class(mrb, recv);
m = mrb_method_search_vm(mrb, &cls, mid);
ci = cipush(mrb, a, CINFO_DIRECT, NULL, NULL, 0, c);
ci = cipush(mrb, a, CINFO_DIRECT, NULL, NULL, BLK_PTR(blk), 0, c);
if (MRB_METHOD_UNDEF_P(m)) {
m = prepare_missing(mrb, recv, mid, &cls, 0, &c, blk, (insn == OP_SUPER ? 1 : 0));
mid = MRB_SYM(method_missing);
@@ -1736,6 +1750,7 @@ RETRY_TRY_BLOCK:
ci->cci = CINFO_NONE;
ci->mid = mid;
ci->u.target_class = cls;
if (!mrb_nil_p(blk)) ci->blk = mrb_proc_ptr(blk);
if (MRB_METHOD_CFUNC_P(m)) {
if (MRB_METHOD_PROC_P(m)) {
@@ -1752,12 +1767,6 @@ RETRY_TRY_BLOCK:
mrb_gc_arena_shrink(mrb, ai);
if (mrb->exc) goto L_RAISE;
ci = mrb->c->ci;
if (mrb_proc_p(blk)) {
struct RProc *p = mrb_proc_ptr(blk);
if (p && !MRB_PROC_STRICT_P(p) && MRB_PROC_ENV(p) == CI_ENV(&ci[-1])) {
p->flags |= MRB_PROC_ORPHAN;
}
}
if (!ci->u.target_class) { /* return from context modifying method (resume/yield) */
if (ci->cci == CINFO_RESUMED) {
mrb->jmp = prev_jmp;
@@ -2126,19 +2135,6 @@ RETRY_TRY_BLOCK:
mrb_callinfo *ci;
ci = mrb->c->ci;
if (ci->mid) {
mrb_value blk = regs[mrb_ci_bidx(ci)];
if (mrb_proc_p(blk)) {
struct RProc *p = mrb_proc_ptr(blk);
if (!MRB_PROC_STRICT_P(p) &&
ci > mrb->c->cibase && MRB_PROC_ENV(p) == CI_ENV(&ci[-1])) {
p->flags |= MRB_PROC_ORPHAN;
}
}
}
if (mrb->exc) {
L_RAISE:
ci = mrb->c->ci;
@@ -2946,7 +2942,7 @@ RETRY_TRY_BLOCK:
p->flags |= MRB_PROC_SCOPE;
/* prepare call stack */
cipush(mrb, a, 0, mrb_class_ptr(recv), p, 0, 0);
cipush(mrb, a, 0, mrb_class_ptr(recv), p, NULL, 0, 0);
irep = p->body.irep;
pool = irep->pool;
@@ -3106,7 +3102,7 @@ mrb_top_run(mrb_state *mrb, const struct RProc *proc, mrb_value self, mrb_int st
mrb_vm_ci_env_set(mrb->c->ci, NULL);
return mrb_vm_run(mrb, proc, self, stack_keep);
}
cipush(mrb, 0, CINFO_SKIP, mrb->object_class, NULL, 0, 0);
cipush(mrb, 0, CINFO_SKIP, mrb->object_class, NULL, NULL, 0, 0);
v = mrb_vm_run(mrb, proc, self, stack_keep);
return v;