/* #define PL_OP_SLAB_ALLOC */
/* XXXXXX testing */
-#define OP_REFCNT_LOCK NOOP
-#define OP_REFCNT_UNLOCK NOOP
-#define OpREFCNT_set(o,n) NOOP
-#define OpREFCNT_dec(o) ((o)->op_targ--)
+#ifdef USE_ITHREADS
+# define OP_REFCNT_LOCK NOOP
+# define OP_REFCNT_UNLOCK NOOP
+# define OpREFCNT_set(o,n) ((o)->op_targ = (n))
+# define OpREFCNT_dec(o) (--(o)->op_targ)
+#else
+# define OP_REFCNT_LOCK NOOP
+# define OP_REFCNT_UNLOCK NOOP
+# define OpREFCNT_set(o,n) NOOP
+# define OpREFCNT_dec(o) 0
+#endif
#ifdef PL_OP_SLAB_ALLOC
#define SLAB_SIZE 8192
&& (SvIVX(sv) == PAD_MAX || SvIVX(sv) == 0)
&& strEQ(name, SvPVX(sv)))
{
- Perl_warner(aTHX_ WARN_UNSAFE,
+ if (PL_in_my != KEY_our
+ || GvSTASH(sv) == (PL_curstash ? PL_curstash : PL_defstash))
+ {
+ Perl_warner(aTHX_ WARN_UNSAFE,
"\"%s\" variable %s masks earlier declaration in same %s",
(PL_in_my == KEY_our ? "our" : "my"),
name,
(SvIVX(sv) == PAD_MAX ? "scope" : "statement"));
+ }
break;
}
}
SvSTASH(sv) = (HV*)SvREFCNT_inc(PL_in_my_stash);
PL_sv_objcount++;
}
- if (PL_in_my == KEY_our)
+ if (PL_in_my == KEY_our) {
+ (void)SvUPGRADE(sv, SVt_PVGV);
+ GvSTASH(sv) = (HV*)SvREFCNT_inc(PL_curstash ? PL_curstash : PL_defstash);
SvFLAGS(sv) |= SVpad_OUR;
+ }
av_store(PL_comppad_name, off, sv);
SvNVX(sv) = (NV)PAD_MAX;
SvIVX(sv) = 0; /* Not yet introduced--see newSTATEOP */
SvNVX(namesv) = (NV)PL_curcop->cop_seq;
SvIVX(namesv) = PAD_MAX; /* A ref, intro immediately */
SvFAKE_on(namesv); /* A ref, not a real var */
- if (SvFLAGS(sv) & SVpad_OUR)/* An "our" variable */
+ if (SvFLAGS(sv) & SVpad_OUR) { /* An "our" variable */
SvFLAGS(namesv) |= SVpad_OUR;
+ (void)SvUPGRADE(namesv, SVt_PVGV);
+ GvSTASH(namesv) = (HV*)SvREFCNT_inc((SV*)GvSTASH(sv));
+ }
if (SvOBJECT(sv)) { /* A typed var */
SvOBJECT_on(namesv);
(void)SvUPGRADE(namesv, SVt_PVMG);
DEBUG_X(PerlIO_printf(Perl_debug_log, "Pad 0x%"UVxf" free %"IVdf"\n",
PTR2UV(PL_curpad), (IV)po));
#endif /* USE_THREADS */
- if (PL_curpad[po] && PL_curpad[po] != &PL_sv_undef)
+ if (PL_curpad[po] && PL_curpad[po] != &PL_sv_undef) {
SvPADTMP_off(PL_curpad[po]);
+#ifdef USE_ITHREADS
+ SvREADONLY_off(PL_curpad[po]); /* could be a freed constant */
+#endif
+ }
if ((I32)po < PL_padix)
PL_padix = po - 1;
}
OP_REFCNT_UNLOCK;
return;
}
- o->op_targ = 0; /* XXXXXX */
OP_REFCNT_UNLOCK;
break;
default:
case OP_RV2SV:
case OP_RV2AV:
case OP_RV2HV:
- if (!(o->op_private & OPpLVAL_INTRO) &&
+ if (!(o->op_private & (OPpLVAL_INTRO|OPpOUR_INTRO)) &&
(!o->op_sibling || o->op_sibling->op_type != OP_READLINE))
useless = "a variable";
break;
switch (o->op_type) {
case OP_ENTERSUB:
- if ((type == OP_DEFINED || type == OP_LOCK) &&
+ if ((type == OP_EXISTS || type == OP_DEFINED || type == OP_LOCK) &&
!(o->op_flags & OPf_STACKED)) {
o->op_type = OP_RV2CV; /* entersub => rv2cv */
o->op_ppaddr = PL_ppaddr[OP_RV2CV];
} else if (type == OP_RV2SV || /* "our" declaration */
type == OP_RV2AV ||
type == OP_RV2HV) { /* XXX does this let anything illegal in? */
+ o->op_private |= OPpOUR_INTRO;
return o;
} else if (type != OP_PADSV &&
type != OP_PADAV &&
PL_op = curop = LINKLIST(o);
o->op_next = 0;
+ peep(curop);
pp_pushmark();
CALLRUNOPS(aTHX);
PL_op = curop;
Perl_cv_clone(pTHX_ CV *proto)
{
CV *cv;
- MUTEX_LOCK(&PL_cred_mutex); /* XXX create separate mutex */
+ LOCK_CRED_MUTEX; /* XXX create separate mutex */
cv = cv_clone2(proto, CvOUTSIDE(proto));
- MUTEX_UNLOCK(&PL_cred_mutex); /* XXX create separate mutex */
+ UNLOCK_CRED_MUTEX; /* XXX create separate mutex */
return cv;
}
o->op_private = 0;
if (o->op_flags & OPf_KIDS) {
OP *kid = cUNOPo->op_first;
- if (kid->op_type == OP_HSLICE)
+ switch (kid->op_type) {
+ case OP_ASLICE:
+ o->op_flags |= OPf_SPECIAL;
+ /* FALL THROUGH */
+ case OP_HSLICE:
o->op_private |= OPpSLICE;
- else if (kid->op_type != OP_HELEM)
- Perl_croak(aTHX_ "%s argument is not a HASH element or slice",
+ break;
+ case OP_AELEM:
+ o->op_flags |= OPf_SPECIAL;
+ /* FALL THROUGH */
+ case OP_HELEM:
+ break;
+ default:
+ Perl_croak(aTHX_ "%s argument is not a HASH or ARRAY element or slice",
PL_op_desc[o->op_type]);
+ }
null(kid);
}
return o;
o = ck_fun(o);
if (o->op_flags & OPf_KIDS) {
OP *kid = cUNOPo->op_first;
- if (kid->op_type != OP_HELEM)
- Perl_croak(aTHX_ "%s argument is not a HASH element", PL_op_desc[o->op_type]);
+ if (kid->op_type == OP_ENTERSUB) {
+ (void) ref(kid, o->op_type);
+ if (kid->op_type != OP_RV2CV && !PL_error_count)
+ Perl_croak(aTHX_ "%s argument is not a subroutine name",
+ PL_op_desc[o->op_type]);
+ o->op_private |= OPpEXISTS_SUB;
+ }
+ else if (kid->op_type == OP_AELEM)
+ o->op_flags |= OPf_SPECIAL;
+ else if (kid->op_type != OP_HELEM)
+ Perl_croak(aTHX_ "%s argument is not a HASH or ARRAY element",
+ PL_op_desc[o->op_type]);
null(kid);
}
return o;
if (!((gv = gv_fetchpv("glob", FALSE, SVt_PVCV)) && GvIMPORTED_CV(gv)))
gv = gv_fetchpv("CORE::GLOBAL::glob", FALSE, SVt_PVCV);
-#if defined(PERL_INTERNAL_GLOB) && !defined(MINIPERL_BUILD)
+#if !defined(PERL_EXTERNAL_GLOB)
/* XXX this can be tightened up and made more failsafe. */
if (!gv) {
OP *modname = newSVOP(OP_CONST, 0, newSVpvn("File::Glob", 10));
gv = gv_fetchpv("CORE::GLOBAL::glob", FALSE, SVt_PVCV);
LEAVE;
}
-#endif /* PERL_INTERNAL_GLOB && !MINIPERL_BUILD */
+#endif /* PERL_EXTERNAL_GLOB */
if (gv && GvIMPORTED_CV(gv)) {
append_elem(OP_GLOB, o,
if (kkid && kkid->op_type == OP_PADSV
&& !(kkid->op_private & OPpLVAL_INTRO))
{
- /* Concat has problems if target is equal to right arg. */
- if (kid->op_type == OP_CONCAT) {
- if (kLISTOP->op_first->op_sibling->op_type == OP_PADSV
- && kLISTOP->op_first->op_sibling->op_targ == kkid->op_targ)
- return o;
- }
- else if (kid->op_type == OP_JOIN) {
- /* do_join has problems if the arguments coincide with target.
- In fact the second argument *can* safely coincide,
- but ignore=pessimize this rare occasion. */
- OP *arg = kLISTOP->op_first->op_sibling; /* Skip PUSHMARK */
-
- while (arg) {
- if (arg->op_type == OP_PADSV
- && arg->op_targ == kkid->op_targ)
- return o;
- arg = arg->op_sibling;
- }
- }
- else if (kid->op_type == OP_QUOTEMETA) {
- /* quotemeta has problems if the argument coincides with target. */
- if (kLISTOP->op_first->op_type == OP_PADSV
- && kLISTOP->op_first->op_targ == kkid->op_targ)
- return o;
- }
kid->op_targ = kkid->op_targ;
kkid->op_targ = 0;
/* Now we do not need PADSV and SASSIGN. */
case OP_UCFIRST:
case OP_LC:
case OP_LCFIRST:
- if ( o->op_next && o->op_next->op_type == OP_STRINGIFY
- && !(o->op_next->op_private & OPpTARGET_MY) )
- null(o->op_next);
- o->op_seq = PL_op_seqmax++;
- break;
case OP_CONCAT:
case OP_JOIN:
case OP_QUOTEMETA:
if (o->op_next && o->op_next->op_type == OP_STRINGIFY) {
if (o->op_next->op_private & OPpTARGET_MY) {
- if ((o->op_flags & OPf_STACKED) /* chained concats */
- || (o->op_type == OP_CONCAT
- /* Concat has problems if target is equal to right arg. */
- && (((LISTOP*)o)->op_first->op_sibling->op_type
- == OP_PADSV)
- && (((LISTOP*)o)->op_first->op_sibling->op_targ
- == o->op_next->op_targ)))
- {
+ if (o->op_flags & OPf_STACKED) /* chained concats */
goto ignore_optimization;
- }
else {
o->op_targ = o->op_next->op_targ;
o->op_next->op_targ = 0;
projects / p5sagit/p5-mst-13.2.git / blobdiff