#include "EXTERN.h"
#define PERL_IN_OP_C
#include "perl.h"
+#include "keywords.h"
/* #define PL_OP_SLAB_ALLOC */
-
+
+/* XXXXXX testing */
+#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
static char *PL_OpPtr = NULL;
STATIC void
S_no_bareword_allowed(pTHX_ OP *o)
{
- Perl_warn(aTHX_ "Bareword \"%s\" not allowed while \"strict subs\" in use",
- SvPV_nolen(cSVOPo->op_sv));
- ++PL_error_count;
+ qerror(Perl_mess(aTHX_
+ "Bareword \"%s\" not allowed while \"strict subs\" in use",
+ SvPV_nolen(cSVOPo_sv)));
}
/* "register" allocation */
SV *sv;
if (!(
+ PL_in_my == KEY_our ||
isALPHA(name[1]) ||
(PL_hints & HINT_UTF8 && (name[1] & 0xc0) == 0xc0) ||
- name[1] == '_' && (int)strlen(name) > 2))
+ name[1] == '_' && (int)strlen(name) > 2 ))
{
if (!isPRINT(name[1]) || strchr("\t\n\r\f", name[1])) {
/* 1999-02-27 mjd@plover.com */
&& strEQ(name, SvPVX(sv)))
{
Perl_warner(aTHX_ WARN_UNSAFE,
- "\"my\" variable %s masks earlier declaration in same %s",
- name, (SvIVX(sv) == PAD_MAX ? "scope" : "statement"));
+ "\"%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)
+ 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 */
+ SvFLAGS(namesv) |= SVpad_OUR;
if (SvOBJECT(sv)) { /* A typed var */
SvOBJECT_on(namesv);
(void)SvUPGRADE(namesv, SVt_PVMG);
return 0;
}
break;
+ case CXt_FORMAT:
case CXt_SUB:
if (!saweval)
return 0;
seq > I_32(SvNVX(sv)))) &&
strEQ(SvPVX(sv), name))
{
- if (SvIVX(sv))
+ if (SvIVX(sv) || SvFLAGS(sv) & SVpad_OUR)
return (PADOFFSET)off;
pendoff = off; /* this pending def. will override import */
}
(sv = names[PL_padix]) && sv != &PL_sv_undef)
continue;
sv = *av_fetch(PL_comppad, PL_padix, TRUE);
- if (!(SvFLAGS(sv) & (SVs_PADTMP|SVs_PADMY)))
+ if (!(SvFLAGS(sv) & (SVs_PADTMP|SVs_PADMY)) && !IS_PADGV(sv))
break;
}
retval = PL_padix;
SvFLAGS(sv) |= tmptype;
PL_curpad = AvARRAY(PL_comppad);
#ifdef USE_THREADS
- DEBUG_X(PerlIO_printf(Perl_debug_log, "0x%lx Pad 0x%lx alloc %ld for %s\n",
- (unsigned long) thr, (unsigned long) PL_curpad,
+ DEBUG_X(PerlIO_printf(Perl_debug_log,
+ "0x%"UVxf" Pad 0x%"UVxf" alloc %ld for %s\n",
+ PTR2UV(thr), PTR2UV(PL_curpad),
(long) retval, PL_op_name[optype]));
#else
- DEBUG_X(PerlIO_printf(Perl_debug_log, "Pad 0x%lx alloc %ld for %s\n",
- (unsigned long) PL_curpad,
+ DEBUG_X(PerlIO_printf(Perl_debug_log,
+ "Pad 0x%"UVxf" alloc %ld for %s\n",
+ PTR2UV(PL_curpad),
(long) retval, PL_op_name[optype]));
#endif /* USE_THREADS */
return (PADOFFSET)retval;
{
dTHR;
#ifdef USE_THREADS
- DEBUG_X(PerlIO_printf(Perl_debug_log, "0x%lx Pad 0x%lx sv %d\n",
- (unsigned long) thr, (unsigned long) PL_curpad, po));
+ DEBUG_X(PerlIO_printf(Perl_debug_log,
+ "0x%"UVxf" Pad 0x%"UVxf" sv %"IVdf"\n",
+ PTR2UV(thr), PTR2UV(PL_curpad), (IV)po));
#else
if (!po)
Perl_croak(aTHX_ "panic: pad_sv po");
- DEBUG_X(PerlIO_printf(Perl_debug_log, "Pad 0x%lx sv %d\n",
- (unsigned long) PL_curpad, po));
+ DEBUG_X(PerlIO_printf(Perl_debug_log, "Pad 0x%"UVxf" sv %"IVdf"\n",
+ PTR2UV(PL_curpad), (IV)po));
#endif /* USE_THREADS */
return PL_curpad[po]; /* eventually we'll turn this into a macro */
}
if (!po)
Perl_croak(aTHX_ "panic: pad_free po");
#ifdef USE_THREADS
- DEBUG_X(PerlIO_printf(Perl_debug_log, "0x%lx Pad 0x%lx free %d\n",
- (unsigned long) thr, (unsigned long) PL_curpad, po));
+ DEBUG_X(PerlIO_printf(Perl_debug_log,
+ "0x%"UVxf" Pad 0x%"UVxf" free %"IVdf"\n",
+ PTR2UV(thr), PTR2UV(PL_curpad), (IV)po));
#else
- DEBUG_X(PerlIO_printf(Perl_debug_log, "Pad 0x%lx free %d\n",
- (unsigned long) PL_curpad, po));
+ 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)
SvPADTMP_off(PL_curpad[po]);
if (!po)
Perl_croak(aTHX_ "panic: pad_swipe po");
#ifdef USE_THREADS
- DEBUG_X(PerlIO_printf(Perl_debug_log, "0x%lx Pad 0x%lx swipe %d\n",
- (unsigned long) thr, (unsigned long) PL_curpad, po));
+ DEBUG_X(PerlIO_printf(Perl_debug_log,
+ "0x%"UVxf" Pad 0x%"UVxf" swipe %"IVdf"\n",
+ PTR2UV(thr), PTR2UV(PL_curpad), (IV)po));
#else
- DEBUG_X(PerlIO_printf(Perl_debug_log, "Pad 0x%lx swipe %d\n",
- (unsigned long) PL_curpad, po));
+ DEBUG_X(PerlIO_printf(Perl_debug_log, "Pad 0x%"UVxf" swipe %"IVdf"\n",
+ PTR2UV(PL_curpad), (IV)po));
#endif /* USE_THREADS */
SvPADTMP_off(PL_curpad[po]);
PL_curpad[po] = NEWSV(1107,0);
if (AvARRAY(PL_comppad) != PL_curpad)
Perl_croak(aTHX_ "panic: pad_reset curpad");
#ifdef USE_THREADS
- DEBUG_X(PerlIO_printf(Perl_debug_log, "0x%lx Pad 0x%lx reset\n",
- (unsigned long) thr, (unsigned long) PL_curpad));
+ DEBUG_X(PerlIO_printf(Perl_debug_log,
+ "0x%"UVxf" Pad 0x%"UVxf" reset\n",
+ PTR2UV(thr), PTR2UV(PL_curpad)));
#else
- DEBUG_X(PerlIO_printf(Perl_debug_log, "Pad 0x%lx reset\n",
- (unsigned long) PL_curpad));
+ DEBUG_X(PerlIO_printf(Perl_debug_log, "Pad 0x%"UVxf" reset\n",
+ PTR2UV(PL_curpad)));
#endif /* USE_THREADS */
if (!PL_tainting) { /* Can't mix tainted and non-tainted temporaries. */
for (po = AvMAX(PL_comppad); po > PL_padix_floor; po--) {
default:
sv_magic(sv, 0, 0, name, 1);
}
- DEBUG_S(PerlIO_printf(PerlIO_stderr(),
+ DEBUG_S(PerlIO_printf(Perl_error_log,
"find_threadsv: new SV %p for $%s%c\n",
sv, (*name < 32) ? "^" : "",
(*name < 32) ? toCTRL(*name) : *name));
if (!o || o->op_seq == (U16)-1)
return;
+ if (o->op_private & OPpREFCOUNTED) {
+ switch (o->op_type) {
+ case OP_LEAVESUB:
+ case OP_LEAVESUBLV:
+ case OP_LEAVEEVAL:
+ case OP_LEAVE:
+ case OP_SCOPE:
+ case OP_LEAVEWRITE:
+ OP_REFCNT_LOCK;
+ if (OpREFCNT_dec(o)) {
+ OP_REFCNT_UNLOCK;
+ return;
+ }
+ OP_REFCNT_UNLOCK;
+ break;
+ default:
+ break;
+ }
+ }
+
if (o->op_flags & OPf_KIDS) {
for (kid = cUNOPo->op_first; kid; kid = nextkid) {
nextkid = kid->op_sibling; /* Get before next freeing kid */
case OP_GVSV:
case OP_GV:
case OP_AELEMFAST:
- SvREFCNT_dec(cGVOPo->op_gv);
- cGVOPo->op_gv = Nullgv;
+#ifdef USE_ITHREADS
+ if (cPADOPo->op_padix > 0) {
+ if (PL_curpad) {
+ GV *gv = cGVOPo_gv;
+ pad_swipe(cPADOPo->op_padix);
+ /* No GvIN_PAD_off(gv) here, because other references may still
+ * exist on the pad */
+ SvREFCNT_dec(gv);
+ }
+ cPADOPo->op_padix = 0;
+ }
+#else
+ SvREFCNT_dec(cSVOPo->op_sv);
+ cSVOPo->op_sv = Nullsv;
+#endif
break;
case OP_CONST:
SvREFCNT_dec(cSVOPo->op_sv);
break;
case OP_SUBST:
op_free(cPMOPo->op_pmreplroot);
- cPMOPo->op_pmreplroot = Nullop;
- /* FALL THROUGH */
+ goto clear_pmop;
case OP_PUSHRE:
+#ifdef USE_ITHREADS
+ if ((PADOFFSET)cPMOPo->op_pmreplroot) {
+ if (PL_curpad) {
+ GV *gv = (GV*)PL_curpad[(PADOFFSET)cPMOPo->op_pmreplroot];
+ pad_swipe((PADOFFSET)cPMOPo->op_pmreplroot);
+ /* No GvIN_PAD_off(gv) here, because other references may still
+ * exist on the pad */
+ SvREFCNT_dec(gv);
+ }
+ }
+#else
+ SvREFCNT_dec((SV*)cPMOPo->op_pmreplroot);
+#endif
+ /* FALL THROUGH */
case OP_MATCH:
case OP_QR:
+clear_pmop:
+ cPMOPo->op_pmreplroot = Nullop;
ReREFCNT_dec(cPMOPo->op_pmregexp);
cPMOPo->op_pmregexp = (REGEXP*)NULL;
break;
}
- if (o->op_targ > 0)
+ if (o->op_targ > 0) {
pad_free(o->op_targ);
+ o->op_targ = 0;
+ }
}
STATIC void
S_cop_free(pTHX_ COP* cop)
{
Safefree(cop->cop_label);
- SvREFCNT_dec(cop->cop_filegv);
+#ifdef USE_ITHREADS
+ Safefree(CopFILE(cop)); /* XXXXX share in a pvtable? */
+ Safefree(CopSTASHPV(cop)); /* XXXXX share in a pvtable? */
+#else
+ /* NOTE: COP.cop_stash is not refcounted */
+ SvREFCNT_dec(CopFILEGV(cop));
+#endif
if (! specialWARN(cop->cop_warnings))
SvREFCNT_dec(cop->cop_warnings);
}
if (o->op_type == OP_SASSIGN && cBINOPo->op_first->op_type == OP_CONST) {
dTHR;
if (ckWARN(WARN_SYNTAX)) {
- line_t oldline = PL_curcop->cop_line;
+ line_t oldline = CopLINE(PL_curcop);
if (PL_copline != NOLINE)
- PL_curcop->cop_line = PL_copline;
+ CopLINE_set(PL_curcop, PL_copline);
Perl_warner(aTHX_ WARN_SYNTAX, "Found = in conditional, should be ==");
- PL_curcop->cop_line = oldline;
+ CopLINE_set(PL_curcop, oldline);
}
}
return scalar(o);
/* assumes no premature commitment */
if (!o || (o->op_flags & OPf_WANT) || PL_error_count
|| o->op_type == OP_RETURN)
+ {
return o;
+ }
- if ((o->op_private & OPpTARGET_MY)
- && (PL_opargs[o->op_type] & OA_TARGLEX)) /* OPp share the meaning */
- return scalar(o); /* As if inside SASSIGN */
-
o->op_flags = (o->op_flags & ~OPf_WANT) | OPf_WANT_SCALAR;
switch (o->op_type) {
want = o->op_flags & OPf_WANT;
if ((want && want != OPf_WANT_SCALAR) || PL_error_count
|| o->op_type == OP_RETURN)
+ {
return o;
+ }
if ((o->op_private & OPpTARGET_MY)
- && (PL_opargs[o->op_type] & OA_TARGLEX)) /* OPp share the meaning */
+ && (PL_opargs[o->op_type] & OA_TARGLEX))/* OPp share the meaning */
+ {
return scalar(o); /* As if inside SASSIGN */
+ }
o->op_flags = (o->op_flags & ~OPf_WANT) | OPf_WANT_VOID;
break;
case OP_CONST:
- sv = cSVOPo->op_sv;
+ sv = cSVOPo_sv;
if (cSVOPo->op_private & OPpCONST_STRICT)
no_bareword_allowed(o);
else {
/* assumes no premature commitment */
if (!o || (o->op_flags & OPf_WANT) || PL_error_count
|| o->op_type == OP_RETURN)
+ {
return o;
+ }
if ((o->op_private & OPpTARGET_MY)
- && (PL_opargs[o->op_type] & OA_TARGLEX)) /* OPp share the meaning */
+ && (PL_opargs[o->op_type] & OA_TARGLEX))/* OPp share the meaning */
+ {
return o; /* As if inside SASSIGN */
+ }
o->op_flags = (o->op_flags & ~OPf_WANT) | OPf_WANT_LIST;
return o;
if ((o->op_private & OPpTARGET_MY)
- && (PL_opargs[o->op_type] & OA_TARGLEX)) /* OPp share the meaning */
+ && (PL_opargs[o->op_type] & OA_TARGLEX))/* OPp share the meaning */
+ {
return o;
+ }
switch (o->op_type) {
case OP_UNDEF:
if (!(o->op_private & (OPpCONST_ARYBASE)))
goto nomod;
if (PL_eval_start && PL_eval_start->op_type == OP_CONST) {
- PL_compiling.cop_arybase = (I32)SvIV(((SVOP*)PL_eval_start)->op_sv);
+ PL_compiling.cop_arybase = (I32)SvIV(cSVOPx(PL_eval_start)->op_sv);
PL_eval_start = 0;
}
else if (!type) {
null(((LISTOP*)cUNOPo->op_first)->op_first);/* disable pushmark */
break;
}
+ else { /* lvalue subroutine call */
+ o->op_private |= OPpLVAL_INTRO;
+ if (type == OP_GREPSTART || type == OP_ENTERSUB || type == OP_REFGEN) {
+ /* Backward compatibility mode: */
+ o->op_private |= OPpENTERSUB_INARGS;
+ break;
+ }
+ else { /* Compile-time error message: */
+ OP *kid = cUNOPo->op_first;
+ CV *cv;
+ OP *okid;
+
+ if (kid->op_type == OP_PUSHMARK)
+ goto skip_kids;
+ if (kid->op_type != OP_NULL || kid->op_targ != OP_LIST)
+ Perl_croak(aTHX_
+ "panic: unexpected lvalue entersub "
+ "args: type/targ %ld:%ld",
+ (long)kid->op_type,kid->op_targ);
+ kid = kLISTOP->op_first;
+ skip_kids:
+ while (kid->op_sibling)
+ kid = kid->op_sibling;
+ if (!(kid->op_type == OP_NULL && kid->op_targ == OP_RV2CV)) {
+ /* Indirect call */
+ if (kid->op_type == OP_METHOD_NAMED
+ || kid->op_type == OP_METHOD)
+ {
+ OP *newop;
+
+ if (kid->op_sibling || kid->op_next != kid) {
+ yyerror("panic: unexpected optree near method call");
+ break;
+ }
+
+ NewOp(1101, newop, 1, OP);
+ newop->op_type = OP_RV2CV;
+ newop->op_ppaddr = PL_ppaddr[OP_RV2CV];
+ newop->op_next = newop;
+ kid->op_sibling = newop;
+ newop->op_private |= OPpLVAL_INTRO;
+ break;
+ }
+
+ if (kid->op_type != OP_RV2CV)
+ Perl_croak(aTHX_
+ "panic: unexpected lvalue entersub "
+ "entry via type/targ %ld:%ld",
+ (long)kid->op_type,kid->op_targ);
+ kid->op_private |= OPpLVAL_INTRO;
+ break; /* Postpone until runtime */
+ }
+
+ okid = kid;
+ kid = kUNOP->op_first;
+ if (kid->op_type == OP_NULL && kid->op_targ == OP_RV2SV)
+ kid = kUNOP->op_first;
+ if (kid->op_type == OP_NULL)
+ Perl_croak(aTHX_
+ "Unexpected constant lvalue entersub "
+ "entry via type/targ %ld:%ld",
+ (long)kid->op_type,kid->op_targ);
+ if (kid->op_type != OP_GV) {
+ /* Restore RV2CV to check lvalueness */
+ restore_2cv:
+ if (kid->op_next && kid->op_next != kid) { /* Happens? */
+ okid->op_next = kid->op_next;
+ kid->op_next = okid;
+ }
+ else
+ okid->op_next = Nullop;
+ okid->op_type = OP_RV2CV;
+ okid->op_targ = 0;
+ okid->op_ppaddr = PL_ppaddr[OP_RV2CV];
+ okid->op_private |= OPpLVAL_INTRO;
+ break;
+ }
+
+ cv = GvCV(kGVOP_gv);
+ if (!cv)
+ goto restore_2cv;
+ if (CvLVALUE(cv))
+ break;
+ }
+ }
/* FALL THROUGH */
default:
nomod:
break;
yyerror(Perl_form(aTHX_ "Can't modify %s in %s",
(o->op_type == OP_NULL && (o->op_flags & OPf_SPECIAL)
- ? "do block" : PL_op_desc[o->op_type]),
+ ? "do block"
+ : (o->op_type == OP_ENTERSUB
+ ? "non-lvalue subroutine call"
+ : PL_op_desc[o->op_type])),
type ? PL_op_desc[type] : "local"));
return o;
}
-OP *
-Perl_my(pTHX_ OP *o)
+STATIC OP *
+S_dup_attrlist(pTHX_ OP *o)
+{
+ OP *rop = Nullop;
+
+ /* An attrlist is either a simple OP_CONST or an OP_LIST with kids,
+ * where the first kid is OP_PUSHMARK and the remaining ones
+ * are OP_CONST. We need to push the OP_CONST values.
+ */
+ if (o->op_type == OP_CONST)
+ rop = newSVOP(OP_CONST, o->op_flags, SvREFCNT_inc(cSVOPo->op_sv));
+ else {
+ assert((o->op_type == OP_LIST) && (o->op_flags & OPf_KIDS));
+ for (o = cLISTOPo->op_first; o; o=o->op_sibling) {
+ if (o->op_type == OP_CONST)
+ rop = append_elem(OP_LIST, rop,
+ newSVOP(OP_CONST, o->op_flags,
+ SvREFCNT_inc(cSVOPo->op_sv)));
+ }
+ }
+ return rop;
+}
+
+STATIC void
+S_apply_attrs(pTHX_ HV *stash, SV *target, OP *attrs)
+{
+ OP *modname; /* for 'use' */
+ SV *stashsv;
+
+ /* fake up C<use attributes $pkg,$rv,@attrs> */
+ ENTER; /* need to protect against side-effects of 'use' */
+ SAVEINT(PL_expect);
+ if (stash && HvNAME(stash))
+ stashsv = newSVpv(HvNAME(stash), 0);
+ else
+ stashsv = &PL_sv_no;
+#define ATTRSMODULE "attributes"
+ modname = newSVOP(OP_CONST, 0,
+ newSVpvn(ATTRSMODULE, sizeof(ATTRSMODULE)-1));
+ modname->op_private |= OPpCONST_BARE;
+ /* that flag is required to make 'use' work right */
+ utilize(1, start_subparse(FALSE, 0),
+ Nullop, /* version */
+ modname,
+ prepend_elem(OP_LIST,
+ newSVOP(OP_CONST, 0, stashsv),
+ prepend_elem(OP_LIST,
+ newSVOP(OP_CONST, 0, newRV(target)),
+ dup_attrlist(attrs))));
+ LEAVE;
+}
+
+STATIC OP *
+S_my_kid(pTHX_ OP *o, OP *attrs)
{
OP *kid;
I32 type;
type = o->op_type;
if (type == OP_LIST) {
for (kid = cLISTOPo->op_first; kid; kid = kid->op_sibling)
- my(kid);
+ my_kid(kid, attrs);
} else if (type == OP_UNDEF) {
return o;
+ } else if (type == OP_RV2SV || /* "our" declaration */
+ type == OP_RV2AV ||
+ type == OP_RV2HV) { /* XXX does this let anything illegal in? */
+ return o;
} else if (type != OP_PADSV &&
type != OP_PADAV &&
type != OP_PADHV &&
yyerror(Perl_form(aTHX_ "Can't declare %s in my", PL_op_desc[o->op_type]));
return o;
}
+ else if (attrs && type != OP_PUSHMARK) {
+ HV *stash;
+ SV *padsv;
+ SV **namesvp;
+
+ /* check for C<my Dog $spot> when deciding package */
+ namesvp = av_fetch(PL_comppad_name, o->op_targ, FALSE);
+ if (namesvp && *namesvp && SvOBJECT(*namesvp) && HvNAME(SvSTASH(*namesvp)))
+ stash = SvSTASH(*namesvp);
+ else
+ stash = PL_curstash;
+ padsv = PAD_SV(o->op_targ);
+ apply_attrs(stash, padsv, attrs);
+ }
o->op_flags |= OPf_MOD;
o->op_private |= OPpLVAL_INTRO;
return o;
}
OP *
+Perl_my_attrs(pTHX_ OP *o, OP *attrs)
+{
+ if (o->op_flags & OPf_PARENS)
+ list(o);
+ PL_in_my = FALSE;
+ PL_in_my_stash = Nullhv;
+ if (attrs)
+ SAVEFREEOP(attrs);
+ return my_kid(o, attrs);
+}
+
+OP *
+Perl_my(pTHX_ OP *o)
+{
+ return my_kid(o, Nullop);
+}
+
+OP *
Perl_sawparens(pTHX_ OP *o)
{
if (o)
char *desc = PL_op_desc[(right->op_type == OP_SUBST ||
right->op_type == OP_TRANS)
? right->op_type : OP_MATCH];
- char *sample = ((left->op_type == OP_RV2AV ||
- left->op_type == OP_PADAV)
- ? "@array" : "%hash");
+ const char *sample = ((left->op_type == OP_RV2AV ||
+ left->op_type == OP_PADAV)
+ ? "@array" : "%hash");
Perl_warner(aTHX_ WARN_UNSAFE,
"Applying %s to %s will act on scalar(%s)",
desc, sample, sample);
o->op_type = OP_SCOPE;
o->op_ppaddr = PL_ppaddr[OP_SCOPE];
kid = ((LISTOP*)o)->op_first;
- if (kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE){
- kid->op_type = OP_SETSTATE;
- kid->op_ppaddr = PL_ppaddr[OP_SETSTATE];
- }
+ if (kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE)
+ null(kid);
}
else
o = newLISTOP(OP_SCOPE, 0, o, Nullop);
PL_pad_reset_pending = FALSE;
SAVEHINTS();
PL_hints &= ~HINT_BLOCK_SCOPE;
- SAVEPPTR(PL_compiling.cop_warnings);
+ SAVESPTR(PL_compiling.cop_warnings);
if (! specialWARN(PL_compiling.cop_warnings)) {
PL_compiling.cop_warnings = newSVsv(PL_compiling.cop_warnings) ;
SAVEFREESV(PL_compiling.cop_warnings) ;
((PL_in_eval & EVAL_KEEPERR)
? OPf_SPECIAL : 0), o);
PL_eval_start = linklist(PL_eval_root);
+ PL_eval_root->op_private |= OPpREFCOUNTED;
+ OpREFCNT_set(PL_eval_root, 1);
PL_eval_root->op_next = 0;
peep(PL_eval_start);
}
PL_main_root = scope(sawparens(scalarvoid(o)));
PL_curcop = &PL_compiling;
PL_main_start = LINKLIST(PL_main_root);
+ PL_main_root->op_private |= OPpREFCOUNTED;
+ OpREFCNT_set(PL_main_root, 1);
PL_main_root->op_next = 0;
peep(PL_main_start);
PL_compcv = 0;
if (cv) {
dSP;
PUSHMARK(SP);
- XPUSHs((SV*)PL_compiling.cop_filegv);
+ XPUSHs((SV*)CopFILEGV(&PL_compiling));
PUTBACK;
call_sv((SV*)cv, G_DISCARD);
}
return o;
if (!(PL_hints & HINT_INTEGER)) {
- if (type == OP_DIVIDE || !(o->op_flags & OPf_KIDS))
+ if (type == OP_MODULO
+ || type == OP_DIVIDE
+ || !(o->op_flags & OPf_KIDS))
+ {
return o;
+ }
for (curop = ((UNOP*)o)->op_first; curop; curop = curop->op_sibling) {
if (curop->op_type == OP_CONST) {
OP *curop;
if (pm->op_pmflags & PMf_EVAL) {
curop = 0;
- if (PL_curcop->cop_line < PL_multi_end)
- PL_curcop->cop_line = PL_multi_end;
+ if (CopLINE(PL_curcop) < PL_multi_end)
+ CopLINE_set(PL_curcop, PL_multi_end);
}
#ifdef USE_THREADS
else if (repl->op_type == OP_THREADSV
}
#else
if (curop->op_type == OP_GV) {
- GV *gv = ((GVOP*)curop)->op_gv;
+ GV *gv = cGVOPx_gv(curop);
repl_has_vars = 1;
if (strchr("&`'123456789+", *GvENAME(gv)))
break;
}
OP *
+Perl_newPADOP(pTHX_ I32 type, I32 flags, SV *sv)
+{
+ PADOP *padop;
+ NewOp(1101, padop, 1, PADOP);
+ padop->op_type = type;
+ padop->op_ppaddr = PL_ppaddr[type];
+ padop->op_padix = pad_alloc(type, SVs_PADTMP);
+ SvREFCNT_dec(PL_curpad[padop->op_padix]);
+ PL_curpad[padop->op_padix] = sv;
+ SvPADTMP_on(sv);
+ padop->op_next = (OP*)padop;
+ padop->op_flags = flags;
+ if (PL_opargs[type] & OA_RETSCALAR)
+ scalar((OP*)padop);
+ if (PL_opargs[type] & OA_TARGET)
+ padop->op_targ = pad_alloc(type, SVs_PADTMP);
+ return CHECKOP(type, padop);
+}
+
+OP *
Perl_newGVOP(pTHX_ I32 type, I32 flags, GV *gv)
{
dTHR;
- GVOP *gvop;
- NewOp(1101, gvop, 1, GVOP);
- gvop->op_type = type;
- gvop->op_ppaddr = PL_ppaddr[type];
- gvop->op_gv = (GV*)SvREFCNT_inc(gv);
- gvop->op_next = (OP*)gvop;
- gvop->op_flags = flags;
- if (PL_opargs[type] & OA_RETSCALAR)
- scalar((OP*)gvop);
- if (PL_opargs[type] & OA_TARGET)
- gvop->op_targ = pad_alloc(type, SVs_PADTMP);
- return CHECKOP(type, gvop);
+#ifdef USE_ITHREADS
+ GvIN_PAD_on(gv);
+ return newPADOP(type, flags, SvREFCNT_inc(gv));
+#else
+ return newSVOP(type, flags, SvREFCNT_inc(gv));
+#endif
}
OP *
}
/* Fake up the BEGIN {}, which does its thing immediately. */
- newSUB(floor,
+ newATTRSUB(floor,
newSVOP(OP_CONST, 0, newSVpvn("BEGIN", 5)),
Nullop,
+ Nullop,
append_elem(OP_LINESEQ,
append_elem(OP_LINESEQ,
newSTATEOP(0, Nullch, rqop),
newSTATEOP(0, Nullch, veop)),
newSTATEOP(0, Nullch, imop) ));
+ PL_hints |= HINT_BLOCK_SCOPE;
PL_copline = NOLINE;
PL_expect = XSTATE;
}
for (curop = LINKLIST(o); curop != o; curop = LINKLIST(curop)) {
if (PL_opargs[curop->op_type] & OA_DANGEROUS) {
if (curop->op_type == OP_GV) {
- GV *gv = ((GVOP*)curop)->op_gv;
+ GV *gv = cGVOPx_gv(curop);
if (gv == PL_defgv || SvCUR(gv) == PL_generation)
break;
SvCUR(gv) = PL_generation;
{
tmpop = ((UNOP*)left)->op_first;
if (tmpop->op_type == OP_GV && !pm->op_pmreplroot) {
- pm->op_pmreplroot = (OP*)((GVOP*)tmpop)->op_gv;
+#ifdef USE_ITHREADS
+ pm->op_pmreplroot = (OP*)cPADOPx(tmpop)->op_padix;
+ cPADOPx(tmpop)->op_padix = 0; /* steal it */
+#else
+ pm->op_pmreplroot = (OP*)cSVOPx(tmpop)->op_sv;
+ cSVOPx(tmpop)->op_sv = Nullsv; /* steal it */
+#endif
pm->op_pmflags |= PMf_ONCE;
tmpop = cUNOPo->op_first; /* to list (nulled) */
tmpop = ((UNOP*)tmpop)->op_first; /* to pushmark */
register COP *cop;
NewOp(1101, cop, 1, COP);
- if (PERLDB_LINE && PL_curcop->cop_line && PL_curstash != PL_debstash) {
+ if (PERLDB_LINE && CopLINE(PL_curcop) && PL_curstash != PL_debstash) {
cop->op_type = OP_DBSTATE;
cop->op_ppaddr = PL_ppaddr[ OP_DBSTATE ];
}
if (PL_copline == NOLINE)
- cop->cop_line = PL_curcop->cop_line;
+ CopLINE_set(cop, CopLINE(PL_curcop));
else {
- cop->cop_line = PL_copline;
+ CopLINE_set(cop, PL_copline);
PL_copline = NOLINE;
}
- cop->cop_filegv = (GV*)SvREFCNT_inc(PL_curcop->cop_filegv);
- cop->cop_stash = PL_curstash;
+#ifdef USE_ITHREADS
+ CopFILE_set(cop, CopFILE(PL_curcop)); /* XXXXX share in a pvtable? */
+#else
+ CopFILEGV_set(cop, (GV*)SvREFCNT_inc(CopFILEGV(PL_curcop)));
+#endif
+ CopSTASH_set(cop, PL_curstash);
if (PERLDB_LINE && PL_curstash != PL_debstash) {
- SV **svp = av_fetch(GvAV(PL_curcop->cop_filegv),(I32)cop->cop_line, FALSE);
+ SV **svp = av_fetch(CopFILEAV(PL_curcop), (I32)CopLINE(cop), FALSE);
if (svp && *svp != &PL_sv_undef && !SvIOK(*svp)) {
(void)SvIOK_on(*svp);
- SvIVX(*svp) = 1;
- SvSTASH(*svp) = (HV*)cop;
+ SvIVX(*svp) = PTR2IV(cop);
}
}
if (k2 && k2->op_type == OP_READLINE
&& (k2->op_flags & OPf_STACKED)
&& ((k1->op_flags & OPf_WANT) == OPf_WANT_SCALAR))
+ {
warnop = k2->op_type;
+ }
break;
case OP_SASSIGN:
if (k1->op_type == OP_READDIR
|| k1->op_type == OP_GLOB
+ || (k1->op_type == OP_NULL && k1->op_targ == OP_GLOB)
|| k1->op_type == OP_EACH)
- warnop = k1->op_type;
+ {
+ warnop = ((k1->op_type == OP_NULL)
+ ? k1->op_targ : k1->op_type);
+ }
break;
}
if (warnop) {
- line_t oldline = PL_curcop->cop_line;
- PL_curcop->cop_line = PL_copline;
+ line_t oldline = CopLINE(PL_curcop);
+ CopLINE_set(PL_curcop, PL_copline);
Perl_warner(aTHX_ WARN_UNSAFE,
"Value of %s%s can be \"0\"; test with defined()",
PL_op_desc[warnop],
((warnop == OP_READLINE || warnop == OP_GLOB)
? " construct" : "() operator"));
- PL_curcop->cop_line = oldline;
+ CopLINE_set(PL_curcop, oldline);
}
}
case OP_SASSIGN:
if (k1->op_type == OP_READDIR
|| k1->op_type == OP_GLOB
+ || (k1->op_type == OP_NULL && k1->op_targ == OP_NULL)
|| k1->op_type == OP_EACH)
expr = newUNOP(OP_DEFINED, 0, expr);
break;
case OP_SASSIGN:
if (k1->op_type == OP_READDIR
|| k1->op_type == OP_GLOB
+ || (k1->op_type == OP_NULL && k1->op_targ == OP_GLOB)
|| k1->op_type == OP_EACH)
expr = newUNOP(OP_DEFINED, 0, expr);
break;
}
else if (sv->op_type == OP_PADSV) { /* private variable */
padoff = sv->op_targ;
+ sv->op_targ = 0;
op_free(sv);
sv = Nullop;
}
else if (sv->op_type == OP_THREADSV) { /* per-thread variable */
padoff = sv->op_targ;
+ sv->op_targ = 0;
iterflags |= OPf_SPECIAL;
op_free(sv);
sv = Nullop;
#endif /* USE_THREADS */
ENTER;
- SAVESPTR(PL_curpad);
+ SAVEVPTR(PL_curpad);
PL_curpad = 0;
if (!CvCLONED(cv))
}
}
-#ifdef DEBUG_CLOSURES
STATIC void
-cv_dump(CV *cv)
+S_cv_dump(pTHX_ CV *cv)
{
+#ifdef DEBUGGING
CV *outside = CvOUTSIDE(cv);
AV* padlist = CvPADLIST(cv);
AV* pad_name;
SV** ppad;
I32 ix;
- PerlIO_printf(Perl_debug_log, "\tCV=0x%lx (%s), OUTSIDE=0x%lx (%s)\n",
- cv,
+ PerlIO_printf(Perl_debug_log,
+ "\tCV=0x%"UVxf" (%s), OUTSIDE=0x%"UVxf" (%s)\n",
+ PTR2UV(cv),
(CvANON(cv) ? "ANON"
: (cv == PL_main_cv) ? "MAIN"
: CvUNIQUE(cv) ? "UNIQUE"
: CvGV(cv) ? GvNAME(CvGV(cv)) : "UNDEFINED"),
- outside,
+ PTR2UV(outside),
(!outside ? "null"
: CvANON(outside) ? "ANON"
: (outside == PL_main_cv) ? "MAIN"
for (ix = 1; ix <= AvFILLp(pad_name); ix++) {
if (SvPOK(pname[ix]))
- PerlIO_printf(Perl_debug_log, "\t%4d. 0x%lx (%s\"%s\" %ld-%ld)\n",
- ix, ppad[ix],
+ PerlIO_printf(Perl_debug_log,
+ "\t%4d. 0x%"UVxf" (%s\"%s\" %"IVdf"-%"IVdf")\n",
+ ix, PTR2UV(ppad[ix]),
SvFAKE(pname[ix]) ? "FAKE " : "",
SvPVX(pname[ix]),
- (long)I_32(SvNVX(pname[ix])),
- (long)SvIVX(pname[ix]));
+ (IV)I_32(SvNVX(pname[ix])),
+ SvIVX(pname[ix]));
}
+#endif /* DEBUGGING */
}
-#endif /* DEBUG_CLOSURES */
STATIC CV *
S_cv_clone2(pTHX_ CV *proto, CV *outside)
assert(!CvUNIQUE(proto));
ENTER;
- SAVESPTR(PL_curpad);
+ SAVEVPTR(PL_curpad);
SAVESPTR(PL_comppad);
SAVESPTR(PL_comppad_name);
SAVESPTR(PL_compcv);
MUTEX_INIT(CvMUTEXP(cv));
CvOWNER(cv) = 0;
#endif /* USE_THREADS */
- CvFILEGV(cv) = CvFILEGV(proto);
+ CvFILE(cv) = CvFILE(proto);
CvGV(cv) = (GV*)SvREFCNT_inc(CvGV(proto));
CvSTASH(cv) = CvSTASH(proto);
CvROOT(cv) = CvROOT(proto);
PL_curpad[ix] = sv;
}
}
+ else if (IS_PADGV(ppad[ix]) || IS_PADCONST(ppad[ix])) {
+ PL_curpad[ix] = SvREFCNT_inc(ppad[ix]);
+ }
else {
SV* sv = NEWSV(0,0);
SvPADTMP_on(sv);
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;
}
break;
if (sv)
return Nullsv;
- if (type == OP_CONST)
+ if (type == OP_CONST && cSVOPo->op_sv)
sv = cSVOPo->op_sv;
- else if (type == OP_PADSV && cv) {
+ else if ((type == OP_PADSV || type == OP_CONST) && cv) {
AV* padav = (AV*)(AvARRAY(CvPADLIST(cv))[1]);
sv = padav ? AvARRAY(padav)[o->op_targ] : Nullsv;
if (!sv || (!SvREADONLY(sv) && SvREFCNT(sv) > 1))
return sv;
}
+void
+Perl_newMYSUB(pTHX_ I32 floor, OP *o, OP *proto, OP *attrs, OP *block)
+{
+ if (o)
+ SAVEFREEOP(o);
+ if (proto)
+ SAVEFREEOP(proto);
+ if (attrs)
+ SAVEFREEOP(attrs);
+ if (block)
+ SAVEFREEOP(block);
+ Perl_croak(aTHX_ "\"my sub\" not yet implemented");
+}
+
CV *
Perl_newSUB(pTHX_ I32 floor, OP *o, OP *proto, OP *block)
{
+ return Perl_newATTRSUB(aTHX_ floor, o, proto, Nullop, block);
+}
+
+CV *
+Perl_newATTRSUB(pTHX_ I32 floor, OP *o, OP *proto, OP *attrs, OP *block)
+{
dTHR;
STRLEN n_a;
char *name = o ? SvPVx(cSVOPo->op_sv, n_a) : Nullch;
GV *gv = gv_fetchpv(name ? name : "__ANON__",
- GV_ADDMULTI | (block ? 0 : GV_NOINIT), SVt_PVCV);
+ GV_ADDMULTI | ((block || attrs) ? 0 : GV_NOINIT),
+ SVt_PVCV);
char *ps = proto ? SvPVx(((SVOP*)proto)->op_sv, n_a) : Nullch;
register CV *cv=0;
I32 ix;
SAVEFREEOP(o);
if (proto)
SAVEFREEOP(proto);
+ if (attrs)
+ SAVEFREEOP(attrs);
- if (SvTYPE(gv) != SVt_PVGV) { /* Prototype now, and had
+ if (SvTYPE(gv) != SVt_PVGV) { /* Maybe prototype now, and had at
maximum a prototype before. */
if (SvTYPE(gv) > SVt_NULL) {
if (!SvPOK((SV*)gv) && !(SvIOK((SV*)gv) && SvIVX((SV*)gv) == -1)
if (CvROOT(cv) || CvXSUB(cv) || GvASSUMECV(gv)) {
SV* const_sv;
bool const_changed = TRUE;
- if (!block) {
+ if (!block && !attrs) {
/* just a "sub foo;" when &foo is already defined */
SAVEFREESV(PL_compcv);
goto done;
/* ahem, death to those who redefine active sort subs */
if (PL_curstackinfo->si_type == PERLSI_SORT && PL_sortcop == CvSTART(cv))
Perl_croak(aTHX_ "Can't redefine active sort subroutine %s", name);
+ if (!block)
+ goto withattrs;
if(const_sv = cv_const_sv(cv))
const_changed = sv_cmp(const_sv, op_const_sv(block, Nullcv));
if ((const_sv && const_changed) || ckWARN(WARN_REDEFINE)
&& HvNAME(GvSTASH(CvGV(cv)))
&& strEQ(HvNAME(GvSTASH(CvGV(cv))),
"autouse"))) {
- line_t oldline = PL_curcop->cop_line;
- PL_curcop->cop_line = PL_copline;
+ line_t oldline = CopLINE(PL_curcop);
+ CopLINE_set(PL_curcop, PL_copline);
Perl_warner(aTHX_ WARN_REDEFINE,
const_sv ? "Constant subroutine %s redefined"
- : "Subroutine %s redefined", name);
- PL_curcop->cop_line = oldline;
+ : "Subroutine %s redefined", name);
+ CopLINE_set(PL_curcop, oldline);
}
SvREFCNT_dec(cv);
cv = Nullcv;
}
}
+ withattrs:
+ if (attrs) {
+ HV *stash;
+ SV *rcv;
+
+ /* Need to do a C<use attributes $stash_of_cv,\&cv,@attrs>
+ * before we clobber PL_compcv.
+ */
+ if (cv && !block) {
+ rcv = (SV*)cv;
+ if (CvGV(cv) && GvSTASH(CvGV(cv)) && HvNAME(GvSTASH(CvGV(cv))))
+ stash = GvSTASH(CvGV(cv));
+ else if (CvSTASH(cv) && HvNAME(CvSTASH(cv)))
+ stash = CvSTASH(cv);
+ else
+ stash = PL_curstash;
+ }
+ else {
+ /* possibly about to re-define existing subr -- ignore old cv */
+ rcv = (SV*)PL_compcv;
+ if (name && GvSTASH(gv) && HvNAME(GvSTASH(gv)))
+ stash = GvSTASH(gv);
+ else
+ stash = PL_curstash;
+ }
+ apply_attrs(stash, rcv, attrs);
+ }
if (cv) { /* must reuse cv if autoloaded */
+ if (!block) {
+ /* got here with just attrs -- work done, so bug out */
+ SAVEFREESV(PL_compcv);
+ goto done;
+ }
cv_undef(cv);
CvFLAGS(cv) = CvFLAGS(PL_compcv);
CvOUTSIDE(cv) = CvOUTSIDE(PL_compcv);
}
}
CvGV(cv) = (GV*)SvREFCNT_inc(gv);
- CvFILEGV(cv) = PL_curcop->cop_filegv;
+ CvFILE(cv) = CopFILE(PL_curcop);
CvSTASH(cv) = PL_curstash;
#ifdef USE_THREADS
CvOWNER(cv) = 0;
if (AvFILLp(PL_comppad_name) < AvFILLp(PL_comppad))
av_store(PL_comppad_name, AvFILLp(PL_comppad), Nullsv);
+ if (CvLVALUE(cv)) {
+ CvROOT(cv) = newUNOP(OP_LEAVESUBLV, 0, scalarseq(block));
+ }
+ else {
+ CvROOT(cv) = newUNOP(OP_LEAVESUB, 0, scalarseq(block));
+ }
+ CvROOT(cv)->op_private |= OPpREFCOUNTED;
+ OpREFCNT_set(CvROOT(cv), 1);
+ CvSTART(cv) = LINKLIST(CvROOT(cv));
+ CvROOT(cv)->op_next = 0;
+ peep(CvSTART(cv));
+
+ /* now that optimizer has done its work, adjust pad values */
if (CvCLONE(cv)) {
SV **namep = AvARRAY(PL_comppad_name);
for (ix = AvFILLp(PL_comppad); ix > 0; ix--) {
SV *namesv;
- if (SvIMMORTAL(PL_curpad[ix]))
+ if (SvIMMORTAL(PL_curpad[ix]) || IS_PADGV(PL_curpad[ix]) || IS_PADCONST(PL_curpad[ix]))
continue;
/*
* The only things that a clonable function needs in its
AvFLAGS(av) = AVf_REIFY;
for (ix = AvFILLp(PL_comppad); ix > 0; ix--) {
- if (SvIMMORTAL(PL_curpad[ix]))
+ if (SvIMMORTAL(PL_curpad[ix]) || IS_PADGV(PL_curpad[ix]) || IS_PADCONST(PL_curpad[ix]))
continue;
if (!SvPADMY(PL_curpad[ix]))
SvPADTMP_on(PL_curpad[ix]);
}
}
- CvROOT(cv) = newUNOP(OP_LEAVESUB, 0, scalarseq(block));
- CvSTART(cv) = LINKLIST(CvROOT(cv));
- CvROOT(cv)->op_next = 0;
- peep(CvSTART(cv));
-
if (name) {
char *s;
CV *cv;
HV *hv;
- Perl_sv_setpvf(aTHX_ sv, "%_:%ld-%ld",
- GvSV(PL_curcop->cop_filegv),
- (long)PL_subline, (long)PL_curcop->cop_line);
+ Perl_sv_setpvf(aTHX_ sv, "%s:%ld-%ld",
+ CopFILE(PL_curcop),
+ (long)PL_subline, (long)CopLINE(PL_curcop));
gv_efullname3(tmpstr, gv, Nullch);
hv_store(GvHV(PL_DBsub), SvPVX(tmpstr), SvCUR(tmpstr), sv, 0);
hv = GvHVn(db_postponed);
s++;
else
s = name;
+
+ if (*s != 'B' && *s != 'E' && *s != 'S' && *s != 'I')
+ goto done;
+
if (strEQ(s, "BEGIN")) {
I32 oldscope = PL_scopestack_ix;
ENTER;
- SAVESPTR(PL_compiling.cop_filegv);
- SAVEI16(PL_compiling.cop_line);
+ SAVECOPFILE(&PL_compiling);
+ SAVECOPLINE(&PL_compiling);
save_svref(&PL_rs);
sv_setsv(PL_rs, PL_nrs);
if (!PL_beginav)
PL_beginav = newAV();
DEBUG_x( dump_sub(gv) );
- av_push(PL_beginav, (SV *)cv);
+ av_push(PL_beginav, SvREFCNT_inc(cv));
GvCV(gv) = 0;
call_list(oldscope, PL_beginav);
else if (strEQ(s, "END") && !PL_error_count) {
if (!PL_endav)
PL_endav = newAV();
+ DEBUG_x( dump_sub(gv) );
av_unshift(PL_endav, 1);
- av_store(PL_endav, 0, (SV *)cv);
+ av_store(PL_endav, 0, SvREFCNT_inc(cv));
+ GvCV(gv) = 0;
+ }
+ else if (strEQ(s, "STOP") && !PL_error_count) {
+ if (!PL_stopav)
+ PL_stopav = newAV();
+ DEBUG_x( dump_sub(gv) );
+ av_unshift(PL_stopav, 1);
+ av_store(PL_stopav, 0, SvREFCNT_inc(cv));
GvCV(gv) = 0;
}
else if (strEQ(s, "INIT") && !PL_error_count) {
if (!PL_initav)
PL_initav = newAV();
+ DEBUG_x( dump_sub(gv) );
av_push(PL_initav, SvREFCNT_inc(cv));
GvCV(gv) = 0;
}
Perl_newCONSTSUB(pTHX_ HV *stash, char *name, SV *sv)
{
dTHR;
- U32 oldhints = PL_hints;
- HV *old_cop_stash = PL_curcop->cop_stash;
- HV *old_curstash = PL_curstash;
- line_t oldline = PL_curcop->cop_line;
- PL_curcop->cop_line = PL_copline;
+ ENTER;
+ SAVECOPLINE(PL_curcop);
+ SAVEHINTS();
+
+ CopLINE_set(PL_curcop, PL_copline);
PL_hints &= ~HINT_BLOCK_SCOPE;
- if(stash)
- PL_curstash = PL_curcop->cop_stash = stash;
- newSUB(
+ if (stash) {
+ SAVESPTR(PL_curstash);
+ SAVECOPSTASH(PL_curcop);
+ PL_curstash = stash;
+#ifdef USE_ITHREADS
+ CopSTASHPV(PL_curcop) = stash ? HvNAME(stash) : Nullch;
+#else
+ CopSTASH(PL_curcop) = stash;
+#endif
+ }
+
+ newATTRSUB(
start_subparse(FALSE, 0),
newSVOP(OP_CONST, 0, newSVpv(name,0)),
newSVOP(OP_CONST, 0, &PL_sv_no), /* SvPV(&PL_sv_no) == "" -- GMB */
+ Nullop,
newSTATEOP(0, Nullch, newSVOP(OP_CONST, 0, sv))
);
- PL_hints = oldhints;
- PL_curcop->cop_stash = old_cop_stash;
- PL_curstash = old_curstash;
- PL_curcop->cop_line = oldline;
+ LEAVE;
}
CV *
if (ckWARN(WARN_REDEFINE) && !(CvGV(cv) && GvSTASH(CvGV(cv))
&& HvNAME(GvSTASH(CvGV(cv)))
&& strEQ(HvNAME(GvSTASH(CvGV(cv))), "autouse"))) {
- line_t oldline = PL_curcop->cop_line;
+ line_t oldline = CopLINE(PL_curcop);
if (PL_copline != NOLINE)
- PL_curcop->cop_line = PL_copline;
+ CopLINE_set(PL_curcop, PL_copline);
Perl_warner(aTHX_ WARN_REDEFINE, "Subroutine %s redefined",name);
- PL_curcop->cop_line = oldline;
+ CopLINE_set(PL_curcop, oldline);
}
SvREFCNT_dec(cv);
cv = 0;
MUTEX_INIT(CvMUTEXP(cv));
CvOWNER(cv) = 0;
#endif /* USE_THREADS */
- CvFILEGV(cv) = gv_fetchfile(filename);
+ (void)gv_fetchfile(filename);
+ CvFILE(cv) = filename; /* NOTE: not copied, as it is expected to be
+ an external constant string */
CvXSUB(cv) = subaddr;
if (name) {
s++;
else
s = name;
+
+ if (*s != 'B' && *s != 'E' && *s != 'S' && *s != 'I')
+ goto done;
+
if (strEQ(s, "BEGIN")) {
if (!PL_beginav)
PL_beginav = newAV();
- av_push(PL_beginav, (SV *)cv);
+ av_push(PL_beginav, SvREFCNT_inc(cv));
GvCV(gv) = 0;
}
else if (strEQ(s, "END")) {
if (!PL_endav)
PL_endav = newAV();
av_unshift(PL_endav, 1);
- av_store(PL_endav, 0, (SV *)cv);
+ av_store(PL_endav, 0, SvREFCNT_inc(cv));
+ GvCV(gv) = 0;
+ }
+ else if (strEQ(s, "STOP")) {
+ if (!PL_stopav)
+ PL_stopav = newAV();
+ av_unshift(PL_stopav, 1);
+ av_store(PL_stopav, 0, SvREFCNT_inc(cv));
GvCV(gv) = 0;
}
else if (strEQ(s, "INIT")) {
if (!PL_initav)
PL_initav = newAV();
- av_push(PL_initav, (SV *)cv);
+ av_push(PL_initav, SvREFCNT_inc(cv));
GvCV(gv) = 0;
}
}
else
CvANON_on(cv);
+done:
return cv;
}
GvMULTI_on(gv);
if (cv = GvFORM(gv)) {
if (ckWARN(WARN_REDEFINE)) {
- line_t oldline = PL_curcop->cop_line;
+ line_t oldline = CopLINE(PL_curcop);
- PL_curcop->cop_line = PL_copline;
+ CopLINE_set(PL_curcop, PL_copline);
Perl_warner(aTHX_ WARN_REDEFINE, "Format %s redefined",name);
- PL_curcop->cop_line = oldline;
+ CopLINE_set(PL_curcop, oldline);
}
SvREFCNT_dec(cv);
}
cv = PL_compcv;
GvFORM(gv) = cv;
CvGV(cv) = (GV*)SvREFCNT_inc(gv);
- CvFILEGV(cv) = PL_curcop->cop_filegv;
+ CvFILE(cv) = CopFILE(PL_curcop);
for (ix = AvFILLp(PL_comppad); ix > 0; ix--) {
if (!SvPADMY(PL_curpad[ix]) && !SvIMMORTAL(PL_curpad[ix]))
}
CvROOT(cv) = newUNOP(OP_LEAVEWRITE, 0, scalarseq(block));
+ CvROOT(cv)->op_private |= OPpREFCOUNTED;
+ OpREFCNT_set(CvROOT(cv), 1);
CvSTART(cv) = LINKLIST(CvROOT(cv));
CvROOT(cv)->op_next = 0;
peep(CvSTART(cv));
OP *
Perl_newANONSUB(pTHX_ I32 floor, OP *proto, OP *block)
{
+ return newANONATTRSUB(floor, proto, Nullop, block);
+}
+
+OP *
+Perl_newANONATTRSUB(pTHX_ I32 floor, OP *proto, OP *attrs, OP *block)
+{
return newUNOP(OP_REFGEN, 0,
- newSVOP(OP_ANONCODE, 0, (SV*)newSUB(floor, 0, proto, block)));
+ newSVOP(OP_ANONCODE, 0,
+ (SV*)newATTRSUB(floor, 0, proto, attrs, block)));
}
OP *
if (gv) {
kid->op_type = OP_GV;
SvREFCNT_dec(kid->op_sv);
+#ifdef USE_ITHREADS
+ /* XXX hack: dependence on sizeof(PADOP) <= sizeof(SVOP) */
+ kPADOP->op_padix = pad_alloc(OP_GV, SVs_PADTMP);
+ GvIN_PAD_on(gv);
+ PL_curpad[kPADOP->op_padix] = SvREFCNT_inc(gv);
+#else
kid->op_sv = SvREFCNT_inc(gv);
+#endif
kid->op_ppaddr = PL_ppaddr[OP_GV];
}
}
dTHR;
I32 type = o->op_type;
- if (o->op_flags & OPf_REF)
- return o;
-
- if (o->op_flags & OPf_KIDS && cUNOPo->op_first->op_type != OP_STUB) {
+ if (o->op_flags & OPf_REF) {
+ /* nothing */
+ }
+ else if (o->op_flags & OPf_KIDS && cUNOPo->op_first->op_type != OP_STUB) {
SVOP *kid = (SVOP*)cUNOPo->op_first;
if (kid->op_type == OP_CONST && (kid->op_private & OPpCONST_BARE)) {
OP *newop = newGVOP(type, OPf_REF,
gv_fetchpv(SvPVx(kid->op_sv, n_a), TRUE, SVt_PVIO));
op_free(o);
- return newop;
+ o = newop;
}
}
else {
op_free(o);
if (type == OP_FTTTY)
- return newGVOP(type, OPf_REF, gv_fetchpv("main::STDIN", TRUE,
+ o = newGVOP(type, OPf_REF, gv_fetchpv("main::STDIN", TRUE,
SVt_PVIO));
else
- return newUNOP(type, 0, newDEFSVOP());
+ o = newUNOP(type, 0, newDEFSVOP());
+ }
+#ifdef USE_LOCALE
+ if (type == OP_FTTEXT || type == OP_FTBINARY) {
+ o->op_private = 0;
+ if (PL_hints & HINT_LOCALE)
+ o->op_private |= OPpLOCALE;
}
+#endif
return o;
}
char *name = SvPVx(((SVOP*)kid)->op_sv, n_a);
OP *newop = newAVREF(newGVOP(OP_GV, 0,
gv_fetchpv(name, TRUE, SVt_PVAV) ));
-#ifdef IV_IS_QUAD
if (ckWARN(WARN_SYNTAX))
Perl_warner(aTHX_ WARN_SYNTAX,
- "Array @%s missing the @ in argument %" PERL_PRId64 " of %s()",
+ "Array @%s missing the @ in argument %"IVdf" of %s()",
name, (IV)numargs, PL_op_desc[type]);
-#else
- if (ckWARN(WARN_SYNTAX))
- Perl_warner(aTHX_ WARN_SYNTAX,
- "Array @%s missing the @ in argument %ld of %s()",
- name, (long)numargs, PL_op_desc[type]);
-#endif
op_free(kid);
kid = newop;
kid->op_sibling = sibl;
char *name = SvPVx(((SVOP*)kid)->op_sv, n_a);
OP *newop = newHVREF(newGVOP(OP_GV, 0,
gv_fetchpv(name, TRUE, SVt_PVHV) ));
-#ifdef IV_IS_QUAD
if (ckWARN(WARN_SYNTAX))
Perl_warner(aTHX_ WARN_SYNTAX,
- "Hash %%%s missing the %% in argument %" PERL_PRId64 " of %s()",
+ "Hash %%%s missing the %% in argument %"IVdf" of %s()",
name, (IV)numargs, PL_op_desc[type]);
-#else
- if (ckWARN(WARN_SYNTAX))
- Perl_warner(aTHX_ WARN_SYNTAX,
- "Hash %%%s missing the %% in argument %ld of %s()",
- name, (long)numargs, PL_op_desc[type]);
-#endif
op_free(kid);
kid = newop;
kid->op_sibling = sibl;
else {
I32 flags = OPf_SPECIAL;
I32 priv = 0;
+ PADOFFSET targ = 0;
+
/* is this op a FH constructor? */
if (is_handle_constructor(o,numargs)) {
- flags = 0;
- /* Set a flag to tell rv2gv to vivify
+ char *name = Nullch;
+ STRLEN len;
+
+ flags = 0;
+ /* Set a flag to tell rv2gv to vivify
* need to "prove" flag does not mean something
* else already - NI-S 1999/05/07
- */
- priv = OPpDEREF;
-#if 0
- /* Helps with open($array[$n],...)
- but is too simplistic - need to do selectively
- */
- mod(kid,type);
-#endif
+ */
+ priv = OPpDEREF;
+ if (kid->op_type == OP_PADSV) {
+ SV **namep = av_fetch(PL_comppad_name,
+ kid->op_targ, 4);
+ if (namep && *namep)
+ name = SvPV(*namep, len);
+ }
+ else if (kid->op_type == OP_RV2SV
+ && kUNOP->op_first->op_type == OP_GV)
+ {
+ GV *gv = cGVOPx_gv(kUNOP->op_first);
+ name = GvNAME(gv);
+ len = GvNAMELEN(gv);
+ }
+ if (name) {
+ SV *namesv;
+ targ = pad_alloc(OP_RV2GV, SVs_PADTMP);
+ namesv = PL_curpad[targ];
+ SvUPGRADE(namesv, SVt_PV);
+ if (*name != '$')
+ sv_setpvn(namesv, "$", 1);
+ sv_catpvn(namesv, name, len);
+ }
}
kid->op_sibling = 0;
kid = newUNOP(OP_RV2GV, flags, scalar(kid));
- if (priv) {
- kid->op_private |= priv;
- }
+ kid->op_targ = targ;
+ kid->op_private |= priv;
}
kid->op_sibling = sibl;
*tokid = kid;
if (!((gv = gv_fetchpv("glob", FALSE, SVt_PVCV)) && GvIMPORTED_CV(gv)))
gv = gv_fetchpv("CORE::GLOBAL::glob", FALSE, SVt_PVCV);
+#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));
+ modname->op_private |= OPpCONST_BARE;
+ ENTER;
+ utilize(1, start_subparse(FALSE, 0), Nullop, modname,
+ newSVOP(OP_CONST, 0, newSVpvn(":globally", 9)));
+ gv = gv_fetchpv("CORE::GLOBAL::glob", FALSE, SVt_PVCV);
+ LEAVE;
+ }
+#endif /* PERL_EXTERNAL_GLOB */
+
if (gv && GvIMPORTED_CV(gv)) {
append_elem(OP_GLOB, o,
newSVOP(OP_CONST, 0, newSViv(PL_glob_index++)));
&& !(kkid->op_private & OPpLVAL_INTRO))
{
/* Concat has problems if target is equal to right arg. */
- if (kid->op_type == OP_CONCAT
- && kLISTOP->op_first->op_sibling->op_type == OP_PADSV
- && kLISTOP->op_first->op_sibling->op_targ == kkid->op_targ)
- {
- return o;
+ 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. */
kid->op_sibling = o->op_sibling; /* NULL */
cLISTOPo->op_first = NULL;
register OP *kid = cLISTOPo->op_first->op_sibling; /* get past pushmark */
OP *k;
int reversed;
+ GV *gv;
if (!(o->op_flags & OPf_STACKED))
return;
GvMULTI_on(gv_fetchpv("a", TRUE, SVt_PV));
if (kUNOP->op_first->op_type != OP_GV)
return;
kid = kUNOP->op_first; /* get past rv2sv */
- if (GvSTASH(kGVOP->op_gv) != PL_curstash)
+ gv = kGVOP_gv;
+ if (GvSTASH(gv) != PL_curstash)
return;
- if (strEQ(GvNAME(kGVOP->op_gv), "a"))
+ if (strEQ(GvNAME(gv), "a"))
reversed = 0;
- else if(strEQ(GvNAME(kGVOP->op_gv), "b"))
+ else if(strEQ(GvNAME(gv), "b"))
reversed = 1;
else
return;
if (kUNOP->op_first->op_type != OP_GV)
return;
kid = kUNOP->op_first; /* get past rv2sv */
- if (GvSTASH(kGVOP->op_gv) != PL_curstash
+ gv = kGVOP_gv;
+ if (GvSTASH(gv) != PL_curstash
|| ( reversed
- ? strNE(GvNAME(kGVOP->op_gv), "a")
- : strNE(GvNAME(kGVOP->op_gv), "b")))
+ ? strNE(GvNAME(gv), "a")
+ : strNE(GvNAME(gv), "b")))
return;
o->op_flags &= ~(OPf_STACKED | OPf_SPECIAL);
if (reversed)
o->op_private |= OPpSORT_NUMERIC;
if (k->op_type == OP_I_NCMP)
o->op_private |= OPpSORT_NUMERIC | OPpSORT_INTEGER;
- op_free(cLISTOPo->op_first->op_sibling); /* delete comparison block */
- cLISTOPo->op_first->op_sibling = cLISTOPo->op_last;
- cLISTOPo->op_children = 1;
+ kid = cLISTOPo->op_first->op_sibling;
+ cLISTOPo->op_first->op_sibling = kid->op_sibling; /* bypass old block */
+ op_free(kid); /* then delete it */
+ cLISTOPo->op_children--;
}
OP *
}
OP *
+Perl_ck_join(pTHX_ OP *o)
+{
+ if (ckWARN(WARN_SYNTAX)) {
+ OP *kid = cLISTOPo->op_first->op_sibling;
+ if (kid && kid->op_type == OP_MATCH) {
+ char *pmstr = "STRING";
+ if (kPMOP->op_pmregexp)
+ pmstr = kPMOP->op_pmregexp->precomp;
+ Perl_warner(aTHX_ WARN_SYNTAX,
+ "/%s/ should probably be written as \"%s\"",
+ pmstr, pmstr);
+ }
+ }
+ return ck_fun(o);
+}
+
+OP *
Perl_ck_subr(pTHX_ OP *o)
{
dTHR;
I32 arg = 0;
STRLEN n_a;
+ o->op_private |= OPpENTERSUB_HASTARG;
for (cvop = o2; cvop->op_sibling; cvop = cvop->op_sibling) ;
if (cvop->op_type == OP_RV2CV) {
SVOP* tmpop;
null(cvop); /* disable rv2cv */
tmpop = (SVOP*)((UNOP*)cvop)->op_first;
if (tmpop->op_type == OP_GV && !(o->op_private & OPpENTERSUB_AMPER)) {
- cv = GvCVu(tmpop->op_sv);
+ GV *gv = cGVOPx_gv(tmpop);
+ cv = GvCVu(gv);
if (!cv)
tmpop->op_private |= OPpEARLY_CV;
else if (SvPOK(cv)) {
- namegv = CvANON(cv) ? (GV*)tmpop->op_sv : CvGV(cv);
+ namegv = CvANON(cv) ? gv : CvGV(cv);
proto = SvPV((SV*)cv, n_a);
}
}
(gvop = ((UNOP*)gvop)->op_first) &&
gvop->op_type == OP_GV)
{
- GV *gv = (GV*)((SVOP*)gvop)->op_sv;
+ GV *gv = cGVOPx_gv(gvop);
OP *sibling = o2->op_sibling;
SV *n = newSVpvn("",0);
op_free(o2);
dTHR;
register OP* oldop = 0;
STRLEN n_a;
+ OP *last_composite = Nullop;
if (!o || o->op_seq)
return;
ENTER;
SAVEOP();
- SAVESPTR(PL_curcop);
+ SAVEVPTR(PL_curcop);
for (; o; o = o->op_next) {
if (o->op_seq)
break;
case OP_DBSTATE:
PL_curcop = ((COP*)o); /* for warnings */
o->op_seq = PL_op_seqmax++;
+ last_composite = Nullop;
break;
case OP_CONST:
if (cSVOPo->op_private & OPpCONST_STRICT)
no_bareword_allowed(o);
+#ifdef USE_ITHREADS
+ /* Relocate sv to the pad for thread safety.
+ * Despite being a "constant", the SV is written to,
+ * for reference counts, sv_upgrade() etc. */
+ if (cSVOP->op_sv) {
+ PADOFFSET ix = pad_alloc(OP_CONST, SVs_PADTMP);
+ SvREFCNT_dec(PL_curpad[ix]);
+ SvPADTMP_on(cSVOPo->op_sv);
+ PL_curpad[ix] = cSVOPo->op_sv;
+ cSVOPo->op_sv = Nullsv;
+ o->op_targ = ix;
+ }
+#endif
/* FALL THROUGH */
case OP_UC:
case OP_UCFIRST:
&& (((LISTOP*)o)->op_first->op_sibling->op_type
== OP_PADSV)
&& (((LISTOP*)o)->op_first->op_sibling->op_targ
- == o->op_next->op_targ))) {
+ == o->op_next->op_targ)))
+ {
goto ignore_optimization;
- } else {
+ }
+ else {
o->op_targ = o->op_next->op_targ;
+ o->op_next->op_targ = 0;
o->op_private |= OPpTARGET_MY;
}
}
<= 255 &&
i >= 0)
{
+ GV *gv;
null(o->op_next);
null(pop->op_next);
null(pop);
o->op_type = OP_AELEMFAST;
o->op_ppaddr = PL_ppaddr[OP_AELEMFAST];
o->op_private = (U8)i;
- GvAVn(((GVOP*)o)->op_gv);
+ gv = cGVOPo_gv;
+ GvAVn(gv);
}
}
else if ((o->op_private & OPpEARLY_CV) && ckWARN(WARN_UNSAFE)) {
- GV *gv = cGVOPo->op_gv;
+ GV *gv = cGVOPo_gv;
if (SvTYPE(gv) == SVt_PVGV && GvCV(gv) && SvPVX(GvCV(gv))) {
/* XXX could check prototype here instead of just carping */
SV *sv = sv_newmortal();
o->op_next->op_sibling->op_type != OP_EXIT &&
o->op_next->op_sibling->op_type != OP_WARN &&
o->op_next->op_sibling->op_type != OP_DIE) {
- line_t oldline = PL_curcop->cop_line;
+ line_t oldline = CopLINE(PL_curcop);
- PL_curcop->cop_line = ((COP*)o->op_next)->cop_line;
+ CopLINE_set(PL_curcop, CopLINE((COP*)o->op_next));
Perl_warner(aTHX_ WARN_SYNTAX, "Statement unlikely to be reached");
Perl_warner(aTHX_ WARN_SYNTAX, "(Maybe you meant system() when you said exec()?)\n");
- PL_curcop->cop_line = oldline;
+ CopLINE_set(PL_curcop, oldline);
}
}
break;
fields = (GV**)hv_fetch(SvSTASH(lexname), "FIELDS", 6, FALSE);
if (!fields || !GvHV(*fields))
break;
- svp = &((SVOP*)((BINOP*)o)->op_last)->op_sv;
+ svp = cSVOPx_svp(((BINOP*)o)->op_last);
key = SvPV(*svp, keylen);
indsvp = hv_fetch(GvHV(*fields), key, keylen, FALSE);
if (!indsvp) {
- Perl_croak(aTHX_ "No such field \"%s\" in variable %s of type %s",
+ Perl_croak(aTHX_ "No such pseudo-hash field \"%s\" in variable %s of type %s",
key, SvPV(lexname, n_a), HvNAME(SvSTASH(lexname)));
}
ind = SvIV(*indsvp);
break;
}
+ case OP_RV2AV:
+ case OP_RV2HV:
+ if (!(o->op_flags & OPf_WANT)
+ || (o->op_flags & OPf_WANT) == OPf_WANT_LIST)
+ {
+ last_composite = o;
+ }
+ o->op_seq = PL_op_seqmax++;
+ break;
+
+ case OP_RETURN:
+ if (o->op_next && o->op_next->op_type != OP_LEAVESUBLV) {
+ o->op_seq = PL_op_seqmax++;
+ break;
+ }
+ /* FALL THROUGH */
+
+ case OP_LEAVESUBLV:
+ if (last_composite) {
+ OP *r = last_composite;
+
+ while (r->op_sibling)
+ r = r->op_sibling;
+ if (r->op_next == o
+ || (r->op_next->op_type == OP_LIST
+ && r->op_next->op_next == o))
+ {
+ if (last_composite->op_type == OP_RV2AV)
+ yyerror("Lvalue subs returning arrays not implemented yet");
+ else
+ yyerror("Lvalue subs returning hashes not implemented yet");
+ ;
+ }
+ }
+ /* FALL THROUGH */
+
default:
o->op_seq = PL_op_seqmax++;
break;
https://perl5.git.perl.org / perl5.git / blobdiff