{
dVAR;
dSP;
- register PMOP *pm = (PMOP*)cLOGOP->op_other;
+ PMOP *pm = (PMOP*)cLOGOP->op_other;
SV **args;
int nargs;
REGEXP *re = NULL;
pm->op_pmflags |
(PL_op->op_flags & OPf_SPECIAL ? PMf_USE_RE_EVAL : 0));
if (pm->op_pmflags & PMf_HAS_CV)
- ((struct regexp *)SvANY(new_re))->qr_anoncv
+ ReANY(new_re)->qr_anoncv
= (CV*) SvREFCNT_inc(PAD_SV(PL_op->op_targ));
if (is_bare_re) {
some day. */
if (pm->op_type == OP_MATCH) {
SV *lhs;
- const bool was_tainted = PL_tainted;
+ const bool was_tainted = TAINT_get;
if (pm->op_flags & OPf_STACKED)
lhs = args[-1];
else if (pm->op_private & OPpTARGET_MY)
SvGETMAGIC(lhs);
/* Restore the previous value of PL_tainted (which may have been
modified by get-magic), to avoid incorrectly setting the
- RXf_TAINTED flag further down. */
- PL_tainted = was_tainted;
+ RXf_TAINTED flag with RX_TAINT_on further down. */
+ TAINT_set(was_tainted);
}
tmp = reg_temp_copy(NULL, new_re);
ReREFCNT_dec(new_re);
}
#ifndef INCOMPLETE_TAINTS
- if (PL_tainting && PL_tainted) {
+ if (TAINTING_get && TAINT_get) {
SvTAINTED_on((SV*)new_re);
- RX_EXTFLAGS(new_re) |= RXf_TAINTED;
+ RX_TAINT_on(new_re);
}
#endif
{
dVAR;
dSP;
- register PERL_CONTEXT *cx = &cxstack[cxstack_ix];
- register PMOP * const pm = (PMOP*) cLOGOP->op_other;
- register SV * const dstr = cx->sb_dstr;
- register char *s = cx->sb_s;
- register char *m = cx->sb_m;
+ PERL_CONTEXT *cx = &cxstack[cxstack_ix];
+ PMOP * const pm = (PMOP*) cLOGOP->op_other;
+ SV * const dstr = cx->sb_dstr;
+ char *s = cx->sb_s;
+ char *m = cx->sb_m;
char *orig = cx->sb_orig;
- register REGEXP * const rx = cx->sb_rx;
+ REGEXP * const rx = cx->sb_rx;
SV *nsv = NULL;
REGEXP *old = PM_GETRE(pm);
if (CxONCE(cx) || s < orig ||
!CALLREGEXEC(rx, s, cx->sb_strend, orig,
(s == m) + RX_GOFS(rx), cx->sb_targ, NULL,
- ((cx->sb_rflags & REXEC_COPY_STR)
- ? (REXEC_IGNOREPOS|REXEC_NOT_FIRST)
- : (REXEC_COPY_STR|REXEC_IGNOREPOS|REXEC_NOT_FIRST))))
+ (REXEC_IGNOREPOS|REXEC_NOT_FIRST)))
{
SV *targ = cx->sb_targ;
assert(cx->sb_strend >= s);
if(cx->sb_strend > s) {
if (DO_UTF8(dstr) && !SvUTF8(targ))
- sv_catpvn_utf8_upgrade(dstr, s, cx->sb_strend - s, nsv);
+ sv_catpvn_nomg_utf8_upgrade(dstr, s, cx->sb_strend - s, nsv);
else
- sv_catpvn(dstr, s, cx->sb_strend - s);
+ sv_catpvn_nomg(dstr, s, cx->sb_strend - s);
}
if (RX_MATCH_TAINTED(rx)) /* run time pattern taint, eg locale */
cx->sb_rxtainted |= SUBST_TAINT_PAT;
SvUTF8_on(targ);
SvPV_set(dstr, NULL);
+ PL_tainted = 0;
mPUSHi(saviters - 1);
(void)SvPOK_only_UTF8(targ);
/* update the taint state of various various variables in
* preparation for final exit.
* See "how taint works" above pp_subst() */
- if (PL_tainting) {
+ if (TAINTING_get) {
if ((cx->sb_rxtainted & SUBST_TAINT_PAT) ||
((cx->sb_rxtainted & (SUBST_TAINT_STR|SUBST_TAINT_RETAINT))
== (SUBST_TAINT_STR|SUBST_TAINT_RETAINT))
)
SvTAINTED_on(TOPs); /* taint return value */
/* needed for mg_set below */
- PL_tainted = cBOOL(cx->sb_rxtainted &
- (SUBST_TAINT_STR|SUBST_TAINT_PAT|SUBST_TAINT_REPL));
+ TAINT_set(
+ cBOOL(cx->sb_rxtainted &
+ (SUBST_TAINT_STR|SUBST_TAINT_PAT|SUBST_TAINT_REPL))
+ );
SvTAINT(TARG);
}
/* PL_tainted must be correctly set for this mg_set */
if (RX_MATCH_COPIED(rx) && RX_SUBBEG(rx) != orig) {
m = s;
s = orig;
+ assert(!RX_SUBOFFSET(rx));
cx->sb_orig = orig = RX_SUBBEG(rx);
s = orig + (m - s);
cx->sb_strend = s + (cx->sb_strend - m);
cx->sb_m = m = RX_OFFS(rx)[0].start + orig;
if (m > s) {
if (DO_UTF8(dstr) && !SvUTF8(cx->sb_targ))
- sv_catpvn_utf8_upgrade(dstr, s, m - s, nsv);
+ sv_catpvn_nomg_utf8_upgrade(dstr, s, m - s, nsv);
else
- sv_catpvn(dstr, s, m-s);
+ sv_catpvn_nomg(dstr, s, m-s);
}
cx->sb_s = RX_OFFS(rx)[0].end + orig;
{ /* Update the pos() information. */
/* update the taint state of various various variables in preparation
* for calling the code block.
* See "how taint works" above pp_subst() */
- if (PL_tainting) {
+ if (TAINTING_get) {
if (RX_MATCH_TAINTED(rx)) /* run time pattern taint, eg locale */
cx->sb_rxtainted |= SUBST_TAINT_PAT;
PERL_UNUSED_CONTEXT;
if (!p || p[1] < RX_NPARENS(rx)) {
-#ifdef PERL_OLD_COPY_ON_WRITE
- i = 7 + RX_NPARENS(rx) * 2;
+#ifdef PERL_ANY_COW
+ i = 7 + (RX_NPARENS(rx)+1) * 2;
#else
- i = 6 + RX_NPARENS(rx) * 2;
+ i = 6 + (RX_NPARENS(rx)+1) * 2;
#endif
if (!p)
Newx(p, i, UV);
*rsp = (void*)p;
}
+ /* what (if anything) to free on croak */
*p++ = PTR2UV(RX_MATCH_COPIED(rx) ? RX_SUBBEG(rx) : NULL);
RX_MATCH_COPIED_off(rx);
+ *p++ = RX_NPARENS(rx);
-#ifdef PERL_OLD_COPY_ON_WRITE
+#ifdef PERL_ANY_COW
*p++ = PTR2UV(RX_SAVED_COPY(rx));
RX_SAVED_COPY(rx) = NULL;
#endif
- *p++ = RX_NPARENS(rx);
-
*p++ = PTR2UV(RX_SUBBEG(rx));
*p++ = (UV)RX_SUBLEN(rx);
+ *p++ = (UV)RX_SUBOFFSET(rx);
+ *p++ = (UV)RX_SUBCOFFSET(rx);
for (i = 0; i <= RX_NPARENS(rx); ++i) {
*p++ = (UV)RX_OFFS(rx)[i].start;
*p++ = (UV)RX_OFFS(rx)[i].end;
RX_MATCH_COPY_FREE(rx);
RX_MATCH_COPIED_set(rx, *p);
*p++ = 0;
+ RX_NPARENS(rx) = *p++;
-#ifdef PERL_OLD_COPY_ON_WRITE
+#ifdef PERL_ANY_COW
if (RX_SAVED_COPY(rx))
SvREFCNT_dec (RX_SAVED_COPY(rx));
RX_SAVED_COPY(rx) = INT2PTR(SV*,*p);
*p++ = 0;
#endif
- RX_NPARENS(rx) = *p++;
-
RX_SUBBEG(rx) = INT2PTR(char*,*p++);
RX_SUBLEN(rx) = (I32)(*p++);
+ RX_SUBOFFSET(rx) = (I32)*p++;
+ RX_SUBCOFFSET(rx) = (I32)*p++;
for (i = 0; i <= RX_NPARENS(rx); ++i) {
RX_OFFS(rx)[i].start = (I32)(*p++);
RX_OFFS(rx)[i].end = (I32)(*p++);
PERL_UNUSED_CONTEXT;
if (p) {
-#ifdef PERL_POISON
void *tmp = INT2PTR(char*,*p);
- Safefree(tmp);
- if (*p)
- PoisonFree(*p, 1, sizeof(*p));
+#ifdef PERL_POISON
+#ifdef PERL_ANY_COW
+ U32 i = 9 + p[1] * 2;
#else
- Safefree(INT2PTR(char*,*p));
+ U32 i = 8 + p[1] * 2;
#endif
-#ifdef PERL_OLD_COPY_ON_WRITE
- if (p[1]) {
- SvREFCNT_dec (INT2PTR(SV*,p[1]));
- }
#endif
+
+#ifdef PERL_ANY_COW
+ SvREFCNT_dec (INT2PTR(SV*,p[2]));
+#endif
+#ifdef PERL_POISON
+ PoisonFree(p, i, sizeof(UV));
+#endif
+
+ Safefree(tmp);
Safefree(p);
*rsp = NULL;
}
PP(pp_formline)
{
dVAR; dSP; dMARK; dORIGMARK;
- register SV * const tmpForm = *++MARK;
+ SV * const tmpForm = *++MARK;
SV *formsv; /* contains text of original format */
- register U32 *fpc; /* format ops program counter */
- register char *t; /* current append position in target string */
+ U32 *fpc; /* format ops program counter */
+ char *t; /* current append position in target string */
const char *f; /* current position in format string */
- register I32 arg;
- register SV *sv = NULL; /* current item */
+ I32 arg;
+ SV *sv = NULL; /* current item */
const char *item = NULL;/* string value of current item */
I32 itemsize = 0; /* length of current item, possibly truncated */
I32 fieldsize = 0; /* width of current field */
SvGETMAGIC(right);
if (RANGE_IS_NUMERIC(left,right)) {
- register IV i, j;
+ IV i, j;
IV max;
if ((SvOK(left) && SvNV_nomg(left) < IV_MIN) ||
(SvOK(right) && SvNV_nomg(right) > IV_MAX))
S_dopoptolabel(pTHX_ const char *label, STRLEN len, U32 flags)
{
dVAR;
- register I32 i;
+ I32 i;
PERL_ARGS_ASSERT_DOPOPTOLABEL;
for (i = cxstack_ix; i >= 0; i--) {
- register const PERL_CONTEXT * const cx = &cxstack[i];
+ const PERL_CONTEXT * const cx = &cxstack[i];
switch (CxTYPE(cx)) {
case CXt_SUBST:
case CXt_SUB:
PERL_ARGS_ASSERT_DOPOPTOSUB_AT;
for (i = startingblock; i >= 0; i--) {
- register const PERL_CONTEXT * const cx = &cxstk[i];
+ const PERL_CONTEXT * const cx = &cxstk[i];
switch (CxTYPE(cx)) {
default:
continue;
dVAR;
I32 i;
for (i = startingblock; i >= 0; i--) {
- register const PERL_CONTEXT *cx = &cxstack[i];
+ const PERL_CONTEXT *cx = &cxstack[i];
switch (CxTYPE(cx)) {
default:
continue;
dVAR;
I32 i;
for (i = startingblock; i >= 0; i--) {
- register const PERL_CONTEXT * const cx = &cxstack[i];
+ const PERL_CONTEXT * const cx = &cxstack[i];
switch (CxTYPE(cx)) {
case CXt_SUBST:
case CXt_SUB:
dVAR;
I32 i;
for (i = startingblock; i >= 0; i--) {
- register const PERL_CONTEXT *cx = &cxstack[i];
+ const PERL_CONTEXT *cx = &cxstack[i];
switch (CxTYPE(cx)) {
default:
continue;
dVAR;
I32 i;
for (i = startingblock; i >= 0; i--) {
- register const PERL_CONTEXT *cx = &cxstack[i];
+ const PERL_CONTEXT *cx = &cxstack[i];
switch (CxTYPE(cx)) {
default:
continue;
while (cxstack_ix > cxix) {
SV *sv;
- register PERL_CONTEXT *cx = &cxstack[cxstack_ix];
+ PERL_CONTEXT *cx = &cxstack[cxstack_ix];
DEBUG_CX("UNWIND"); \
/* Note: we don't need to restore the base context info till the end. */
switch (CxTYPE(cx)) {
if (cxix >= 0) {
I32 optype;
SV *namesv;
- register PERL_CONTEXT *cx;
+ PERL_CONTEXT *cx;
SV **newsp;
COP *oldcop;
JMPENV *restartjmpenv;
const PERL_CONTEXT *
Perl_caller_cx(pTHX_ I32 count, const PERL_CONTEXT **dbcxp)
{
- register I32 cxix = dopoptosub(cxstack_ix);
- register const PERL_CONTEXT *cx;
- register const PERL_CONTEXT *ccstack = cxstack;
+ I32 cxix = dopoptosub(cxstack_ix);
+ const PERL_CONTEXT *cx;
+ const PERL_CONTEXT *ccstack = cxstack;
const PERL_SI *top_si = PL_curstackinfo;
for (;;) {
{
dVAR;
dSP;
- register const PERL_CONTEXT *cx;
+ const PERL_CONTEXT *cx;
const PERL_CONTEXT *dbcx;
I32 gimme;
const HEK *stash_hek;
if (CxTYPE(cx) == CXt_EVAL) {
/* eval STRING */
if (CxOLD_OP_TYPE(cx) == OP_ENTEREVAL) {
- PUSHs(cx->blk_eval.cur_text);
+ PUSHs(newSVpvn_flags(SvPVX(cx->blk_eval.cur_text),
+ SvCUR(cx->blk_eval.cur_text)-2,
+ SvUTF8(cx->blk_eval.cur_text)|SVs_TEMP));
PUSHs(&PL_sv_no);
}
/* require */
Copy(AvALLOC(ary), AvARRAY(PL_dbargs), AvFILLp(ary) + 1 + off, SV*);
AvFILLp(PL_dbargs) = AvFILLp(ary) + off;
}
- /* XXX only hints propagated via op_private are currently
- * visible (others are not easily accessible, since they
- * use the global PL_hints) */
mPUSHi(CopHINTS_get(cx->blk_oldcop));
{
SV * mask ;
STRLEN * const old_warnings = cx->blk_oldcop->cop_warnings ;
- if (old_warnings == pWARN_NONE ||
- (old_warnings == pWARN_STD && (PL_dowarn & G_WARN_ON) == 0))
+ if (old_warnings == pWARN_NONE)
mask = newSVpvn(WARN_NONEstring, WARNsize) ;
+ else if (old_warnings == pWARN_STD && (PL_dowarn & G_WARN_ON) == 0)
+ mask = &PL_sv_undef ;
else if (old_warnings == pWARN_ALL ||
(old_warnings == pWARN_STD && PL_dowarn & G_WARN_ON)) {
/* Get the bit mask for $warnings::Bits{all}, because
{
dVAR;
dSP;
- const char * const tmps =
- (MAXARG < 1 || (!TOPs && !POPs)) ? (const char *)"" : POPpconstx;
- sv_reset(tmps, CopSTASH(PL_curcop));
+ const char * tmps;
+ STRLEN len = 0;
+ if (MAXARG < 1 || (!TOPs && !POPs))
+ tmps = NULL, len = 0;
+ else
+ tmps = SvPVx_const(POPs, len);
+ sv_resetpvn(tmps, len, CopSTASH(PL_curcop));
PUSHs(&PL_sv_yes);
RETURN;
}
|| SvIV(PL_DBsingle) || SvIV(PL_DBsignal) || SvIV(PL_DBtrace))
{
dSP;
- register PERL_CONTEXT *cx;
+ PERL_CONTEXT *cx;
const I32 gimme = G_ARRAY;
U8 hasargs;
GV * const gv = PL_DBgv;
- register CV * const cv = GvCV(gv);
+ CV * cv = NULL;
- if (!cv)
+ if (gv && isGV_with_GP(gv))
+ cv = GvCV(gv);
+
+ if (!cv || (!CvROOT(cv) && !CvXSUB(cv)))
DIE(aTHX_ "No DB::DB routine defined");
if (CvDEPTH(cv) >= 1 && !(PL_debug & DEBUG_DB_RECURSE_FLAG))
SPAGAIN;
if (CvISXSUB(cv)) {
- CvDEPTH(cv)++;
PUSHMARK(SP);
(void)(*CvXSUB(cv))(aTHX_ cv);
- CvDEPTH(cv)--;
FREETMPS;
LEAVE;
return NORMAL;
PUSHSUB_DB(cx);
cx->blk_sub.retop = PL_op->op_next;
CvDEPTH(cv)++;
+ if (CvDEPTH(cv) >= 2) {
+ PERL_STACK_OVERFLOW_CHECK();
+ pad_push(CvPADLIST(cv), CvDEPTH(cv));
+ }
SAVECOMPPAD();
- PAD_SET_CUR_NOSAVE(CvPADLIST(cv), 1);
+ PAD_SET_CUR_NOSAVE(CvPADLIST(cv), CvDEPTH(cv));
RETURNOP(CvSTART(cv));
}
}
PP(pp_enter)
{
dVAR; dSP;
- register PERL_CONTEXT *cx;
+ PERL_CONTEXT *cx;
I32 gimme = GIMME_V;
ENTER_with_name("block");
PP(pp_leave)
{
dVAR; dSP;
- register PERL_CONTEXT *cx;
+ PERL_CONTEXT *cx;
SV **newsp;
PMOP *newpm;
I32 gimme;
PP(pp_enteriter)
{
dVAR; dSP; dMARK;
- register PERL_CONTEXT *cx;
+ PERL_CONTEXT *cx;
const I32 gimme = GIMME_V;
void *itervar; /* location of the iteration variable */
U8 cxtype = CXt_LOOP_FOR;
PP(pp_enterloop)
{
dVAR; dSP;
- register PERL_CONTEXT *cx;
+ PERL_CONTEXT *cx;
const I32 gimme = GIMME_V;
ENTER_with_name("loop1");
PP(pp_leaveloop)
{
dVAR; dSP;
- register PERL_CONTEXT *cx;
+ PERL_CONTEXT *cx;
I32 gimme;
SV **newsp;
PMOP *newpm;
PP(pp_return)
{
dVAR; dSP; dMARK;
- register PERL_CONTEXT *cx;
+ PERL_CONTEXT *cx;
bool popsub2 = FALSE;
bool clear_errsv = FALSE;
bool lval = FALSE;
SV **newsp;
PMOP *newpm;
I32 gimme;
- register PERL_CONTEXT *cx;
+ PERL_CONTEXT *cx;
SV *sv;
if (CxMULTICALL(&cxstack[cxstack_ix]))
return cx->blk_sub.retop;
}
-PP(pp_last)
+static I32
+S_unwind_loop(pTHX_ const char * const opname)
{
- dVAR; dSP;
+ dVAR;
I32 cxix;
- register PERL_CONTEXT *cx;
- I32 pop2 = 0;
- I32 gimme;
- I32 optype;
- OP *nextop = NULL;
- SV **newsp;
- PMOP *newpm;
- SV **mark;
- SV *sv = NULL;
-
-
if (PL_op->op_flags & OPf_SPECIAL) {
cxix = dopoptoloop(cxstack_ix);
if (cxix < 0)
- DIE(aTHX_ "Can't \"last\" outside a loop block");
+ /* diag_listed_as: Can't "last" outside a loop block */
+ Perl_croak(aTHX_ "Can't \"%s\" outside a loop block", opname);
}
else {
- cxix = dopoptolabel(cPVOP->op_pv, strlen(cPVOP->op_pv),
- (cPVOP->op_private & OPpPV_IS_UTF8) ? SVf_UTF8 : 0);
+ dSP;
+ STRLEN label_len;
+ const char * const label =
+ PL_op->op_flags & OPf_STACKED
+ ? SvPV(TOPs,label_len)
+ : (label_len = strlen(cPVOP->op_pv), cPVOP->op_pv);
+ const U32 label_flags =
+ PL_op->op_flags & OPf_STACKED
+ ? SvUTF8(POPs)
+ : (cPVOP->op_private & OPpPV_IS_UTF8) ? SVf_UTF8 : 0;
+ PUTBACK;
+ cxix = dopoptolabel(label, label_len, label_flags);
if (cxix < 0)
- DIE(aTHX_ "Label not found for \"last %"SVf"\"",
- SVfARG(newSVpvn_flags(cPVOP->op_pv,
- strlen(cPVOP->op_pv),
- ((cPVOP->op_private & OPpPV_IS_UTF8)
- ? SVf_UTF8 : 0) | SVs_TEMP)));
+ /* diag_listed_as: Label not found for "last %s" */
+ Perl_croak(aTHX_ "Label not found for \"%s %"SVf"\"",
+ opname,
+ SVfARG(PL_op->op_flags & OPf_STACKED
+ && !SvGMAGICAL(TOPp1s)
+ ? TOPp1s
+ : newSVpvn_flags(label,
+ label_len,
+ label_flags | SVs_TEMP)));
}
if (cxix < cxstack_ix)
dounwind(cxix);
+ return cxix;
+}
+
+PP(pp_last)
+{
+ dVAR;
+ PERL_CONTEXT *cx;
+ I32 pop2 = 0;
+ I32 gimme;
+ I32 optype;
+ OP *nextop = NULL;
+ SV **newsp;
+ PMOP *newpm;
+ SV **mark;
+ SV *sv = NULL;
+
+ S_unwind_loop(aTHX_ "last");
POPBLOCK(cx,newpm);
cxstack_ix++; /* temporarily protect top context */
}
TAINT_NOT;
- SP = adjust_stack_on_leave(newsp, SP, MARK, gimme,
+ PL_stack_sp = adjust_stack_on_leave(newsp, PL_stack_sp, MARK, gimme,
pop2 == CXt_SUB ? SVs_TEMP : 0);
- PUTBACK;
LEAVE;
cxstack_ix--;
PP(pp_next)
{
dVAR;
- I32 cxix;
- register PERL_CONTEXT *cx;
- I32 inner;
+ PERL_CONTEXT *cx;
+ const I32 inner = PL_scopestack_ix;
- if (PL_op->op_flags & OPf_SPECIAL) {
- cxix = dopoptoloop(cxstack_ix);
- if (cxix < 0)
- DIE(aTHX_ "Can't \"next\" outside a loop block");
- }
- else {
- cxix = dopoptolabel(cPVOP->op_pv, strlen(cPVOP->op_pv),
- (cPVOP->op_private & OPpPV_IS_UTF8) ? SVf_UTF8 : 0);
- if (cxix < 0)
- DIE(aTHX_ "Label not found for \"next %"SVf"\"",
- SVfARG(newSVpvn_flags(cPVOP->op_pv,
- strlen(cPVOP->op_pv),
- ((cPVOP->op_private & OPpPV_IS_UTF8)
- ? SVf_UTF8 : 0) | SVs_TEMP)));
- }
- if (cxix < cxstack_ix)
- dounwind(cxix);
+ S_unwind_loop(aTHX_ "next");
/* clear off anything above the scope we're re-entering, but
* save the rest until after a possible continue block */
- inner = PL_scopestack_ix;
TOPBLOCK(cx);
if (PL_scopestack_ix < inner)
leave_scope(PL_scopestack[PL_scopestack_ix]);
PP(pp_redo)
{
dVAR;
- I32 cxix;
- register PERL_CONTEXT *cx;
+ const I32 cxix = S_unwind_loop(aTHX_ "redo");
+ PERL_CONTEXT *cx;
I32 oldsave;
- OP* redo_op;
+ OP* redo_op = cxstack[cxix].blk_loop.my_op->op_redoop;
- if (PL_op->op_flags & OPf_SPECIAL) {
- cxix = dopoptoloop(cxstack_ix);
- if (cxix < 0)
- DIE(aTHX_ "Can't \"redo\" outside a loop block");
- }
- else {
- cxix = dopoptolabel(cPVOP->op_pv, strlen(cPVOP->op_pv),
- (cPVOP->op_private & OPpPV_IS_UTF8) ? SVf_UTF8 : 0);
- if (cxix < 0)
- DIE(aTHX_ "Label not found for \"redo %"SVf"\"",
- SVfARG(newSVpvn_flags(cPVOP->op_pv,
- strlen(cPVOP->op_pv),
- ((cPVOP->op_private & OPpPV_IS_UTF8)
- ? SVf_UTF8 : 0) | SVs_TEMP)));
- }
- if (cxix < cxstack_ix)
- dounwind(cxix);
-
- redo_op = cxstack[cxix].blk_loop.my_op->op_redoop;
if (redo_op->op_type == OP_ENTER) {
/* pop one less context to avoid $x being freed in while (my $x..) */
cxstack_ix++;
dVAR; dSP;
OP *retop = NULL;
I32 ix;
- register PERL_CONTEXT *cx;
+ PERL_CONTEXT *cx;
#define GOTO_DEPTH 64
OP *enterops[GOTO_DEPTH];
const char *label = NULL;
/* This egregious kludge implements goto &subroutine */
if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVCV) {
I32 cxix;
- register PERL_CONTEXT *cx;
+ PERL_CONTEXT *cx;
CV *cv = MUTABLE_CV(SvRV(sv));
- SV** mark;
- I32 items = 0;
+ AV *arg = GvAV(PL_defgv);
I32 oldsave;
- bool reified = 0;
retry:
if (!CvROOT(cv) && !CvXSUB(cv)) {
FREETMPS;
cxix = dopoptosub(cxstack_ix);
if (cxix < 0)
+ {
+ SvREFCNT_dec(cv);
DIE(aTHX_ "Can't goto subroutine outside a subroutine");
+ }
if (cxix < cxstack_ix)
dounwind(cxix);
TOPBLOCK(cx);
SPAGAIN;
/* ban goto in eval: see <20050521150056.GC20213@iabyn.com> */
if (CxTYPE(cx) == CXt_EVAL) {
+ SvREFCNT_dec(cv);
if (CxREALEVAL(cx))
/* diag_listed_as: Can't goto subroutine from an eval-%s */
DIE(aTHX_ "Can't goto subroutine from an eval-string");
DIE(aTHX_ "Can't goto subroutine from an eval-block");
}
else if (CxMULTICALL(cx))
+ {
+ SvREFCNT_dec(cv);
DIE(aTHX_ "Can't goto subroutine from a sort sub (or similar callback)");
+ }
if (CxTYPE(cx) == CXt_SUB && CxHASARGS(cx)) {
- /* put @_ back onto stack */
AV* av = cx->blk_sub.argarray;
- items = AvFILLp(av) + 1;
- EXTEND(SP, items+1); /* @_ could have been extended. */
- Copy(AvARRAY(av), SP + 1, items, SV*);
- SvREFCNT_dec(GvAV(PL_defgv));
- GvAV(PL_defgv) = cx->blk_sub.savearray;
- CLEAR_ARGARRAY(av);
- /* abandon @_ if it got reified */
- if (AvREAL(av)) {
- reified = 1;
+ /* abandon the original @_ if it got reified or if it is
+ the same as the current @_ */
+ if (AvREAL(av) || av == arg) {
SvREFCNT_dec(av);
av = newAV();
- av_extend(av, items-1);
AvREIFY_only(av);
PAD_SVl(0) = MUTABLE_SV(cx->blk_sub.argarray = av);
}
+ else CLEAR_ARGARRAY(av);
}
- else if (CvISXSUB(cv)) { /* put GvAV(defgv) back onto stack */
- AV* const av = GvAV(PL_defgv);
- items = AvFILLp(av) + 1;
- EXTEND(SP, items+1); /* @_ could have been extended. */
- Copy(AvARRAY(av), SP + 1, items, SV*);
- }
- mark = SP;
- SP += items;
+ /* We donate this refcount later to the callee’s pad. */
+ SvREFCNT_inc_simple_void(arg);
if (CxTYPE(cx) == CXt_SUB &&
!(CvDEPTH(cx->blk_sub.cv) = cx->blk_sub.olddepth))
SvREFCNT_dec(cx->blk_sub.cv);
* our precious cv. See bug #99850. */
if (!CvROOT(cv) && !CvXSUB(cv)) {
const GV * const gv = CvGV(cv);
+ SvREFCNT_dec(arg);
if (gv) {
SV * const tmpstr = sv_newmortal();
gv_efullname3(tmpstr, gv, NULL);
OP* const retop = cx->blk_sub.retop;
SV **newsp PERL_UNUSED_DECL;
I32 gimme PERL_UNUSED_DECL;
- if (reified) {
+ const SSize_t items = AvFILLp(arg) + 1;
+ SV** mark;
+
+ /* put GvAV(defgv) back onto stack */
+ EXTEND(SP, items+1); /* @_ could have been extended. */
+ Copy(AvARRAY(arg), SP + 1, items, SV*);
+ mark = SP;
+ SP += items;
+ if (AvREAL(arg)) {
I32 index;
for (index=0; index<items; index++)
- sv_2mortal(SP[-index]);
+ SvREFCNT_inc_void(sv_2mortal(SP[-index]));
+ }
+ SvREFCNT_dec(arg);
+ if (CxTYPE(cx) == CXt_SUB && CxHASARGS(cx)) {
+ /* Restore old @_ */
+ arg = GvAV(PL_defgv);
+ GvAV(PL_defgv) = cx->blk_sub.savearray;
+ SvREFCNT_dec(arg);
}
/* XS subs don't have a CxSUB, so pop it */
return retop;
}
else {
- AV* const padlist = CvPADLIST(cv);
- if (CxTYPE(cx) == CXt_EVAL) {
- PL_in_eval = CxOLD_IN_EVAL(cx);
- PL_eval_root = cx->blk_eval.old_eval_root;
- cx->cx_type = CXt_SUB;
- }
+ PADLIST * const padlist = CvPADLIST(cv);
cx->blk_sub.cv = cv;
cx->blk_sub.olddepth = CvDEPTH(cv);
PAD_SET_CUR_NOSAVE(padlist, CvDEPTH(cv));
if (CxHASARGS(cx))
{
- AV *const av = MUTABLE_AV(PAD_SVl(0));
-
- cx->blk_sub.savearray = GvAV(PL_defgv);
- GvAV(PL_defgv) = MUTABLE_AV(SvREFCNT_inc_simple(av));
CX_CURPAD_SAVE(cx->blk_sub);
- cx->blk_sub.argarray = av;
- if (items >= AvMAX(av) + 1) {
- SV **ary = AvALLOC(av);
- if (AvARRAY(av) != ary) {
- AvMAX(av) += AvARRAY(av) - AvALLOC(av);
- AvARRAY(av) = ary;
- }
- if (items >= AvMAX(av) + 1) {
- AvMAX(av) = items - 1;
- Renew(ary,items+1,SV*);
- AvALLOC(av) = ary;
- AvARRAY(av) = ary;
- }
- }
- ++mark;
- Copy(mark,AvARRAY(av),items,SV*);
- AvFILLp(av) = items - 1;
- assert(!AvREAL(av));
- if (reified) {
- /* transfer 'ownership' of refcnts to new @_ */
- AvREAL_on(av);
- AvREIFY_off(av);
- }
- while (items--) {
- if (*mark)
- SvTEMP_off(*mark);
- mark++;
+ /* cx->blk_sub.argarray has no reference count, so we
+ need something to hang on to our argument array so
+ that cx->blk_sub.argarray does not end up pointing
+ to freed memory as the result of undef *_. So put
+ it in the callee’s pad, donating our refer-
+ ence count. */
+ SvREFCNT_dec(PAD_SVl(0));
+ PAD_SVl(0) = (SV *)(cx->blk_sub.argarray = arg);
+
+ /* GvAV(PL_defgv) might have been modified on scope
+ exit, so restore it. */
+ if (arg != GvAV(PL_defgv)) {
+ AV * const av = GvAV(PL_defgv);
+ GvAV(PL_defgv) = (AV *)SvREFCNT_inc_simple(arg);
+ SvREFCNT_dec(av);
}
}
+ else SvREFCNT_dec(arg);
if (PERLDB_SUB) { /* Checking curstash breaks DProf. */
Perl_get_db_sub(aTHX_ NULL, cv);
if (PERLDB_GOTO) {
CV*
Perl_find_runcv(pTHX_ U32 *db_seqp)
{
- return Perl_find_runcv_where(aTHX_ 0, NULL, db_seqp);
+ return Perl_find_runcv_where(aTHX_ 0, 0, db_seqp);
}
/* If this becomes part of the API, it might need a better name. */
CV *
-Perl_find_runcv_where(pTHX_ U8 cond, void *arg, U32 *db_seqp)
+Perl_find_runcv_where(pTHX_ U8 cond, IV arg, U32 *db_seqp)
{
dVAR;
PERL_SI *si;
cv = cx->blk_eval.cv;
if (cv) {
switch (cond) {
- case FIND_RUNCV_root_eq:
- if (CvROOT(cv) != (OP *)arg) continue;
+ case FIND_RUNCV_padid_eq:
+ if (!CvPADLIST(cv)
+ || PadlistNAMES(CvPADLIST(cv)) != INT2PTR(PADNAMELIST *, arg))
+ continue;
return cv;
case FIND_RUNCV_level_eq:
- if (level++ != (IV)arg) continue;
+ if (level++ != arg) continue;
/* GERONIMO! */
default:
return cv;
}
}
}
- return cond == FIND_RUNCV_root_eq ? NULL : PL_main_cv;
+ return cond == FIND_RUNCV_padid_eq ? NULL : PL_main_cv;
}
PERL_CONTEXT *cx;
I32 optype; /* Used by POPEVAL. */
SV *namesv;
+ SV *errsv = NULL;
cx = NULL;
namesv = NULL;
PL_op = saveop;
if (yystatus != 3) {
if (PL_eval_root) {
- cv_forget_slab(evalcv);
op_free(PL_eval_root);
PL_eval_root = NULL;
}
LEAVE_with_name("eval"); /* pp_entereval knows about this LEAVE. */
}
+ errsv = ERRSV;
if (in_require) {
if (!cx) {
/* If cx is still NULL, it means that we didn't go in the
SvUTF8(namesv) ? -(I32)SvCUR(namesv) : (I32)SvCUR(namesv),
&PL_sv_undef, 0);
Perl_croak(aTHX_ "%"SVf"Compilation failed in require",
- SVfARG(ERRSV
- ? ERRSV
+ SVfARG(errsv
+ ? errsv
: newSVpvs_flags("Unknown error\n", SVs_TEMP)));
}
else {
- if (!*(SvPVx_nolen_const(ERRSV))) {
- sv_setpvs(ERRSV, "Compilation error");
+ if (!*(SvPV_nolen_const(errsv))) {
+ sv_setpvs(errsv, "Compilation error");
}
}
if (gimme != G_ARRAY) PUSHs(&PL_sv_undef);
PP(pp_require)
{
dVAR; dSP;
- register PERL_CONTEXT *cx;
+ PERL_CONTEXT *cx;
SV *sv;
const char *name;
STRLEN len;
STRLEN unixlen;
#ifdef VMS
int vms_unixname = 0;
+ char *unixnamebuf;
+ char *unixdir;
+ char *unixdirbuf;
#endif
const char *tryname = NULL;
SV *namesv = NULL;
sv = POPs;
if ( (SvNIOKp(sv) || SvVOK(sv)) && PL_op->op_type != OP_DOFILE) {
sv = sv_2mortal(new_version(sv));
- if (!sv_derived_from(PL_patchlevel, "version"))
+ if (!Perl_sv_derived_from_pvn(aTHX_ PL_patchlevel, STR_WITH_LEN("version"), 0))
upg_version(PL_patchlevel, TRUE);
if (cUNOP->op_first->op_type == OP_CONST && cUNOP->op_first->op_private & OPpCONST_NOVER) {
if ( vcmp(sv,PL_patchlevel) <= 0 )
* To prevent this, the key must be stored in UNIX format if the VMS
* name can be translated to UNIX.
*/
- if ((unixname = tounixspec(name, NULL)) != NULL) {
+
+ if ((unixnamebuf = SvPVX(sv_2mortal(newSVpv("", VMS_MAXRSS-1))))
+ && (unixname = tounixspec(name, unixnamebuf)) != NULL) {
unixlen = strlen(unixname);
vms_unixname = 1;
}
}
}
+ LOADING_FILE_PROBE(unixname);
+
/* prepare to compile file */
if (path_is_absolute(name)) {
}
#ifdef VMS
- char *unixdir;
- if ((unixdir = tounixpath(dir, NULL)) == NULL)
+ if (((unixdirbuf = SvPVX(sv_2mortal(newSVpv("", VMS_MAXRSS-1)))) == NULL)
+ || ((unixdir = tounixpath(dir, unixdirbuf)) == NULL))
continue;
sv_setpv(namesv, unixdir);
sv_catpv(namesv, unixname);
if (namesv) { /* did we lookup @INC? */
AV * const ar = GvAVn(PL_incgv);
I32 i;
+ SV *const msg = newSVpvs_flags("", SVs_TEMP);
SV *const inc = newSVpvs_flags("", SVs_TEMP);
for (i = 0; i <= AvFILL(ar); i++) {
sv_catpvs(inc, " ");
sv_catsv(inc, *av_fetch(ar, i, TRUE));
}
+ if (len >= 4 && memEQ(name + len - 3, ".pm", 4)) {
+ const char *c, *e = name + len - 3;
+ sv_catpv(msg, " (you may need to install the ");
+ for (c = name; c < e; c++) {
+ if (*c == '/') {
+ sv_catpvn(msg, "::", 2);
+ }
+ else {
+ sv_catpvn(msg, c, 1);
+ }
+ }
+ sv_catpv(msg, " module)");
+ }
+ else if (len >= 2 && memEQ(name + len - 2, ".h", 3)) {
+ sv_catpv(msg, " (change .h to .ph maybe?) (did you run h2ph?)");
+ }
+ else if (len >= 3 && memEQ(name + len - 3, ".ph", 4)) {
+ sv_catpv(msg, " (did you run h2ph?)");
+ }
/* diag_listed_as: Can't locate %s */
DIE(aTHX_
- "Can't locate %s in @INC%s%s (@INC contains:%" SVf ")",
- name,
- (memEQ(name + len - 2, ".h", 3)
- ? " (change .h to .ph maybe?) (did you run h2ph?)" : ""),
- (memEQ(name + len - 3, ".ph", 4)
- ? " (did you run h2ph?)" : ""),
- inc
- );
+ "Can't locate %s in @INC%" SVf " (@INC contains:%" SVf ")",
+ name, msg, inc);
}
}
DIE(aTHX_ "Can't locate %s", name);
/* Restore encoding. */
PL_encoding = encoding;
+ LOADED_FILE_PROBE(unixname);
+
return op;
}
PP(pp_entereval)
{
dVAR; dSP;
- register PERL_CONTEXT *cx;
+ PERL_CONTEXT *cx;
SV *sv;
const I32 gimme = GIMME_V;
const U32 was = PL_breakable_sub_gen;
SV **newsp;
PMOP *newpm;
I32 gimme;
- register PERL_CONTEXT *cx;
+ PERL_CONTEXT *cx;
OP *retop;
const U8 save_flags = PL_op -> op_flags;
I32 optype;
SV **newsp;
PMOP *newpm;
I32 gimme;
- register PERL_CONTEXT *cx;
+ PERL_CONTEXT *cx;
I32 optype;
POPBLOCK(cx,newpm);
SV **newsp;
PMOP *newpm;
I32 gimme;
- register PERL_CONTEXT *cx;
+ PERL_CONTEXT *cx;
I32 optype;
PERL_ASYNC_CHECK();
PP(pp_entergiven)
{
dVAR; dSP;
- register PERL_CONTEXT *cx;
+ PERL_CONTEXT *cx;
const I32 gimme = GIMME_V;
ENTER_with_name("given");
SAVETMPS;
- SAVECLEARSV(PAD_SVl(PL_op->op_targ));
- sv_setsv_mg(PAD_SV(PL_op->op_targ), POPs);
+ if (PL_op->op_targ) {
+ SAVEPADSVANDMORTALIZE(PL_op->op_targ);
+ SvREFCNT_dec(PAD_SVl(PL_op->op_targ));
+ PAD_SVl(PL_op->op_targ) = SvREFCNT_inc_NN(POPs);
+ }
+ else {
+ SAVE_DEFSV;
+ DEFSV_set(POPs);
+ }
PUSHBLOCK(cx, CXt_GIVEN, SP);
PUSHGIVEN(cx);
PP(pp_leavegiven)
{
dVAR; dSP;
- register PERL_CONTEXT *cx;
+ PERL_CONTEXT *cx;
I32 gimme;
SV **newsp;
PMOP *newpm;
PP(pp_enterwhen)
{
dVAR; dSP;
- register PERL_CONTEXT *cx;
+ PERL_CONTEXT *cx;
const I32 gimme = GIMME_V;
/* This is essentially an optimization: if the match
{
dVAR; dSP;
I32 cxix;
- register PERL_CONTEXT *cx;
+ PERL_CONTEXT *cx;
I32 gimme;
SV **newsp;
PMOP *newpm;
{
dVAR; dSP;
I32 cxix;
- register PERL_CONTEXT *cx;
+ PERL_CONTEXT *cx;
I32 gimme;
SV **newsp;
PMOP *newpm;
{
dVAR;
I32 cxix;
- register PERL_CONTEXT *cx;
+ PERL_CONTEXT *cx;
cxix = dopoptogiven(cxstack_ix);
if (cxix < 0)
S_doparseform(pTHX_ SV *sv)
{
STRLEN len;
- register char *s = SvPV(sv, len);
- register char *send;
- register char *base = NULL; /* start of current field */
- register I32 skipspaces = 0; /* number of contiguous spaces seen */
+ char *s = SvPV(sv, len);
+ char *send;
+ char *base = NULL; /* start of current field */
+ I32 skipspaces = 0; /* number of contiguous spaces seen */
bool noblank = FALSE; /* ~ or ~~ seen on this line */
bool repeat = FALSE; /* ~~ seen on this line */
bool postspace = FALSE; /* a text field may need right padding */
U32 *fops;
- register U32 *fpc;
+ U32 *fpc;
U32 *linepc = NULL; /* position of last FF_LINEMARK */
- register I32 arg;
+ I32 arg;
bool ischop; /* it's a ^ rather than a @ */
bool unchopnum = FALSE; /* at least one @ (i.e. non-chop) num field seen */
int maxops = 12; /* FF_LINEMARK + FF_END + 10 (\0 without preceding \n) */
if (SvOK(out)) {
status = SvIV(out);
}
- else if (SvTRUE(ERRSV)) {
- err = newSVsv(ERRSV);
+ else {
+ SV * const errsv = ERRSV;
+ if (SvTRUE_NN(errsv))
+ err = newSVsv(errsv);
}
}
LEAVE_with_name("call_filter_sub");
}
+ if (SvIsCOW(upstream)) sv_force_normal(upstream);
if(!err && SvOK(upstream)) {
got_p = SvPV(upstream, got_len);
if (umaxlen) {
https://perl5.git.perl.org / perl5.git / blobdiff