if (SvRMAGICAL(av)) {
const MAGIC * const tied_magic = mg_find((SV *) av, PERL_MAGIC_tied);
if (tied_magic) {
- int adjust_index = 1;
SV * const * const negative_indices_glob =
hv_fetch(SvSTASH(SvRV(SvTIED_obj((SV *) (av), tied_magic))),
NEGATIVE_INDICES_VAR, 16, 0);
break;
default:
gv = (GV *) save_scalar(gv);
-maybe_deref:
if (deref) /* val != NULL */
val = SvRV(val);
break;
STATIC I32 su_init(pTHX_ I32 cxix, void *ud, I32 size) {
#define su_init(L, U, S) su_init(aTHX_ (L), (U), (S))
I32 i, depth = 0, *origin;
- I32 cur, last, step;
LEAVE;
if (CxTYPE(cx) == CXt_BLOCK && (C) >= i) { \
--cx; \
if (CxTYPE(cx) == CXt_SUB && cx->blk_sub.cv == GvCV(PL_DBsub)) { \
- (C) -= i + 1; \
- break; \
- } \
- } else \
- break; \
+ (C) -= i + 1; \
+ break; \
+ } \
+ } else \
+ break; \
} while (++i <= SU_SKIP_DB_MAX); \
} STMT_END
cxix = 0; \
else if (cxix > cxstack_ix) \
cxix = cxstack_ix; \
- } else \
+ } else { \
cxix = cxstack_ix; \
- if (PL_DBsub) \
- SU_SKIP_DB(cxix); \
+ if (PL_DBsub) \
+ SU_SKIP_DB(cxix); \
+ } \
+ } STMT_END
+
+#define SU_GET_LEVEL(A, B) \
+ STMT_START { \
+ if (items > 0) { \
+ SV *lsv = ST(B); \
+ if (SvOK(lsv)) \
+ level = SvIV(lsv); \
+ if (level < 0) \
+ level = 0; \
+ } else \
+ level = 0; \
} STMT_END
XS(XS_Scope__Upper_unwind); /* prototype to pass -Wmissing-prototypes */
OUTPUT:
RETVAL
-SV *
-DOWN(...)
-PROTOTYPE: ;$
-PREINIT:
- I32 cxix;
-CODE:
- SU_GET_CONTEXT(0, 0);
- if (++cxix > cxstack_ix)
- cxix = cxstack_ix;
- RETVAL = newSViv(cxix);
-OUTPUT:
- RETVAL
-
void
SUB(...)
PROTOTYPE: ;$
XSRETURN_UNDEF;
void
-CALLER(...)
+SCOPE(...)
PROTOTYPE: ;$
PREINIT:
- I32 cxix, caller = 0;
+ I32 cxix, level;
PPCODE:
- if (items) {
- SV *csv = ST(0);
- if (SvOK(csv))
- caller = SvIV(csv);
- if (caller < 0)
- caller = 0;
+ SU_GET_LEVEL(0, 0);
+ cxix = cxstack_ix;
+ if (PL_DBsub) {
+ SU_SKIP_DB(cxix);
+ while (cxix > 0) {
+ if (--level < 0)
+ break;
+ --cxix;
+ SU_SKIP_DB(cxix);
+ }
+ } else {
+ cxix -= level;
+ if (cxix < 0)
+ cxix = 0;
}
+ ST(0) = sv_2mortal(newSViv(cxix));
+ XSRETURN(1);
+
+void
+CALLER(...)
+PROTOTYPE: ;$
+PREINIT:
+ I32 cxix, level;
+PPCODE:
+ SU_GET_LEVEL(0, 0);
for (cxix = cxstack_ix; cxix > 0; --cxix) {
PERL_CONTEXT *cx = cxstack + cxix;
switch (CxTYPE(cx)) {
continue;
case CXt_EVAL:
case CXt_FORMAT:
- --caller;
- if (caller < 0)
+ if (--level < 0)
goto done;
break;
}