/* op.c
*
- * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- * 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, by Larry Wall and others
+ * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+ * 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 by Larry Wall and others
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
*/
/*
- * "You see: Mr. Drogo, he married poor Miss Primula Brandybuck. She was
- * our Mr. Bilbo's first cousin on the mother's side (her mother being the
- * youngest of the Old Took's daughters); and Mr. Drogo was his second
- * cousin. So Mr. Frodo is his first *and* second cousin, once removed
- * either way, as the saying is, if you follow me." --the Gaffer
+ * 'You see: Mr. Drogo, he married poor Miss Primula Brandybuck. She was
+ * our Mr. Bilbo's first cousin on the mother's side (her mother being the
+ * youngest of the Old Took's daughters); and Mr. Drogo was his second
+ * cousin. So Mr. Frodo is his first *and* second cousin, once removed
+ * either way, as the saying is, if you follow me.' --the Gaffer
+ *
+ * [p.23 of _The Lord of the Rings_, I/i: "A Long-Expected Party"]
*/
/* This file contains the functions that create, manipulate and optimize
op_free(kid);
}
}
- if (type == OP_NULL)
- type = (OPCODE)o->op_targ;
#ifdef PERL_DEBUG_READONLY_OPS
Slab_to_rw(o);
/* COP* is not cleared by op_clear() so that we may track line
* numbers etc even after null() */
- if (type == OP_NEXTSTATE || type == OP_DBSTATE) {
+ if (type == OP_NEXTSTATE || type == OP_DBSTATE
+ || (type == OP_NULL /* the COP might have been null'ed */
+ && ((OPCODE)o->op_targ == OP_NEXTSTATE
+ || (OPCODE)o->op_targ == OP_DBSTATE))) {
cop_free((COP*)o);
}
+ if (type == OP_NULL)
+ type = (OPCODE)o->op_targ;
+
op_clear(o);
if (o->op_latefree) {
o->op_latefreed = 1;
pad_swipe(cPMOPo->op_pmreplrootu.op_pmtargetoff, TRUE);
}
#else
- SvREFCNT_dec((SV*)cPMOPo->op_pmreplrootu.op_pmtargetgv);
+ SvREFCNT_dec(MUTABLE_SV(cPMOPo->op_pmreplrootu.op_pmtargetgv));
#endif
/* FALL THROUGH */
case OP_MATCH:
PERL_ARGS_ASSERT_FORGET_PMOP;
if (pmstash && !SvIS_FREED(pmstash)) {
- MAGIC * const mg = mg_find((SV*)pmstash, PERL_MAGIC_symtab);
+ MAGIC * const mg = mg_find((const SV *)pmstash, PERL_MAGIC_symtab);
if (mg) {
PMOP **const array = (PMOP**) mg->mg_ptr;
U32 count = mg->mg_len / sizeof(PMOP**);
#define LINKLIST(o) ((o)->op_next ? (o)->op_next : linklist((OP*)o))
-OP *
-Perl_linklist(pTHX_ OP *o)
+static OP *
+S_linklist(pTHX_ OP *o)
{
OP *first;
return o->op_next;
}
-OP *
-Perl_scalarkids(pTHX_ OP *o)
+static OP *
+S_scalarkids(pTHX_ OP *o)
{
if (o && o->op_flags & OPf_KIDS) {
OP *kid;
case OP_OR:
case OP_AND:
+ kid = cLOGOPo->op_first;
+ if (kid->op_type == OP_NOT
+ && (kid->op_flags & OPf_KIDS)
+ && !PL_madskills) {
+ if (o->op_type == OP_AND) {
+ o->op_type = OP_OR;
+ o->op_ppaddr = PL_ppaddr[OP_OR];
+ } else {
+ o->op_type = OP_AND;
+ o->op_ppaddr = PL_ppaddr[OP_AND];
+ }
+ op_null(kid);
+ }
+
case OP_DOR:
case OP_COND_EXPR:
case OP_ENTERGIVEN:
return o;
}
-OP *
-Perl_listkids(pTHX_ OP *o)
+static OP *
+S_listkids(pTHX_ OP *o)
{
if (o && o->op_flags & OPf_KIDS) {
OP *kid;
return o;
}
-OP *
-Perl_scalarseq(pTHX_ OP *o)
+static OP *
+S_scalarseq(pTHX_ OP *o)
{
dVAR;
if (o) {
}
}
-OP *
-Perl_refkids(pTHX_ OP *o, I32 type)
+static OP *
+S_refkids(pTHX_ OP *o, I32 type)
{
if (o && o->op_flags & OPf_KIDS) {
OP *kid;
newSVOP(OP_CONST, 0, newSVpv(stashpv,0)),
prepend_elem(OP_LIST,
newSVOP(OP_CONST, 0,
- newRV((SV*)cv)),
+ newRV(MUTABLE_SV(cv))),
attrs)));
}
PL_parser->in_my_stash = NULL;
apply_attrs(GvSTASH(gv),
(type == OP_RV2SV ? GvSV(gv) :
- type == OP_RV2AV ? (SV*)GvAV(gv) :
- type == OP_RV2HV ? (SV*)GvHV(gv) : (SV*)gv),
+ type == OP_RV2AV ? MUTABLE_SV(GvAV(gv)) :
+ type == OP_RV2HV ? MUTABLE_SV(GvHV(gv)) : MUTABLE_SV(gv)),
attrs, FALSE);
}
o->op_private |= OPpOUR_INTRO;
}
OP *
-Perl_my(pTHX_ OP *o)
-{
- PERL_ARGS_ASSERT_MY;
-
- return my_attrs(o, NULL);
-}
-
-OP *
Perl_sawparens(pTHX_ OP *o)
{
PERL_UNUSED_CONTEXT;
if (cv) {
dSP;
PUSHMARK(SP);
- XPUSHs((SV*)CopFILEGV(&PL_compiling));
+ XPUSHs(MUTABLE_SV(CopFILEGV(&PL_compiling)));
PUTBACK;
- call_sv((SV*)cv, G_DISCARD);
+ call_sv(MUTABLE_SV(cv), G_DISCARD);
}
}
}
return o;
}
-OP *
-Perl_fold_constants(pTHX_ register OP *o)
+static OP *
+S_fold_constants(pTHX_ register OP *o)
{
dVAR;
register OP * VOL curop;
case 3:
/* Something tried to die. Abandon constant folding. */
/* Pretend the error never happened. */
- sv_setpvn(ERRSV,"",0);
+ CLEAR_ERRSV();
o->op_next = old_next;
break;
default:
#endif
assert(sv);
if (type == OP_RV2GV)
- newop = newGVOP(OP_GV, 0, (GV*)sv);
+ newop = newGVOP(OP_GV, 0, MUTABLE_GV(sv));
else
- newop = newSVOP(OP_CONST, 0, (SV*)sv);
+ newop = newSVOP(OP_CONST, 0, MUTABLE_SV(sv));
op_getmad(o,newop,'f');
return newop;
return o;
}
-OP *
-Perl_gen_constant_list(pTHX_ register OP *o)
+static OP *
+S_gen_constant_list(pTHX_ register OP *o)
{
dVAR;
register OP *curop;
/* faked up qw list? */
if (slot == '(' &&
tm->mad_type == MAD_SV &&
- SvPVX((SV*)tm->mad_val)[0] == 'q')
+ SvPVX((const SV *)tm->mad_val)[0] == 'q')
slot = 'x';
if (o) {
op_free((OP*)mp->mad_val);
break;
case MAD_SV:
- sv_free((SV*)mp->mad_val);
+ sv_free(MUTABLE_SV(mp->mad_val));
break;
default:
PerlIO_printf(PerlIO_stderr(), "Unrecognized mad\n");
return newOP(OP_STUB, 0);
}
-OP *
-Perl_force_list(pTHX_ OP *o)
+static OP *
+S_force_list(pTHX_ OP *o)
{
if (!o || o->op_type != OP_LIST)
o = newLISTOP(OP_LIST, 0, o, NULL);
return 0;
}
-OP *
-Perl_pmtrans(pTHX_ OP *o, OP *expr, OP *repl)
+static OP *
+S_pmtrans(pTHX_ OP *o, OP *expr, OP *repl)
{
dVAR;
SV * const tstr = ((SVOP*)expr)->op_sv;
PerlMemShared_free(cPVOPo->op_pv);
cPVOPo->op_pv = NULL;
- swash = (SV*)swash_init("utf8", "", listsv, bits, none);
+ swash = MUTABLE_SV(swash_init("utf8", "", listsv, bits, none));
#ifdef USE_ITHREADS
cPADOPo->op_padix = pad_alloc(OP_TRANS, SVs_PADTMP);
SvREFCNT_dec(PAD_SVl(cPADOPo->op_padix));
SvREFCNT_dec(transv);
if (!del && havefinal && rlen)
- (void)hv_store((HV*)SvRV(swash), "FINAL", 5,
+ (void)hv_store(MUTABLE_HV(SvRV(swash)), "FINAL", 5,
newSVuv((UV)final), 0);
if (grows)
}
}
}
+
+ if(ckWARN(WARN_MISC)) {
+ if(del && rlen == tlen) {
+ Perl_warner(aTHX_ packWARN(WARN_MISC), "Useless use of /d modifier in transliteration operator");
+ } else if(rlen > tlen) {
+ Perl_warner(aTHX_ packWARN(WARN_MISC), "Replacement list is longer than search list");
+ }
+ }
+
if (grows)
o->op_private |= OPpTRANS_GROWS;
#ifdef PERL_MAD
else if (curop->op_type == OP_PUSHRE) {
#ifdef USE_ITHREADS
if (((PMOP*)curop)->op_pmreplrootu.op_pmtargetoff) {
- GV *const gv = (GV*)PAD_SVl(((PMOP*)curop)->op_pmreplrootu.op_pmtargetoff);
+ GV *const gv = MUTABLE_GV(PAD_SVl(((PMOP*)curop)->op_pmreplrootu.op_pmtargetoff));
if (gv == PL_defgv
|| (int)GvASSIGN_GENERATION(gv) == PL_generation)
break;
cPADOPx(tmpop)->op_padix = 0; /* steal it */
#else
pm->op_pmreplrootu.op_pmtargetgv
- = (GV*)cSVOPx(tmpop)->op_sv;
+ = MUTABLE_GV(cSVOPx(tmpop)->op_sv);
cSVOPx(tmpop)->op_sv = NULL; /* steal it */
#endif
pm->op_pmflags |= PMf_ONCE;
#endif
CopSTASH_set(cop, PL_curstash);
- if (PERLDB_LINE && PL_curstash != PL_debstash) {
+ if ((PERLDB_LINE || PERLDB_SAVESRC) && PL_curstash != PL_debstash) {
+ /* this line can have a breakpoint - store the cop in IV */
AV *av = CopFILEAVx(PL_curcop);
if (av) {
SV * const * const svp = av_fetch(av, (I32)CopLINE(cop), FALSE);
}
}
+ if (flags & OPf_SPECIAL)
+ op_null((OP*)cop);
return prepend_elem(OP_LINESEQ, (OP*)cop, o);
}
}
STATIC OP *
+S_search_const(pTHX_ OP *o)
+{
+ PERL_ARGS_ASSERT_SEARCH_CONST;
+
+ switch (o->op_type) {
+ case OP_CONST:
+ return o;
+ case OP_NULL:
+ if (o->op_flags & OPf_KIDS)
+ return search_const(cUNOPo->op_first);
+ break;
+ case OP_LEAVE:
+ case OP_SCOPE:
+ case OP_LINESEQ:
+ {
+ OP *kid;
+ if (!(o->op_flags & OPf_KIDS))
+ return NULL;
+ kid = cLISTOPo->op_first;
+ do {
+ switch (kid->op_type) {
+ case OP_ENTER:
+ case OP_NULL:
+ case OP_NEXTSTATE:
+ kid = kid->op_sibling;
+ break;
+ default:
+ if (kid != cLISTOPo->op_last)
+ return NULL;
+ goto last;
+ }
+ } while (kid);
+ if (!kid)
+ kid = cLISTOPo->op_last;
+last:
+ return search_const(kid);
+ }
+ }
+
+ return NULL;
+}
+
+STATIC OP *
S_new_logop(pTHX_ I32 type, I32 flags, OP** firstp, OP** otherp)
{
dVAR;
LOGOP *logop;
OP *o;
- OP *first = *firstp;
- OP * const other = *otherp;
+ OP *first;
+ OP *other;
+ OP *cstop = NULL;
+ int prepend_not = 0;
PERL_ARGS_ASSERT_NEW_LOGOP;
+ first = *firstp;
+ other = *otherp;
+
if (type == OP_XOR) /* Not short circuit, but here by precedence. */
return newBINOP(type, flags, scalar(first), scalar(other));
scalarboolean(first);
- /* optimize "!a && b" to "a || b", and "!a || b" to "a && b" */
+ /* optimize AND and OR ops that have NOTs as children */
if (first->op_type == OP_NOT
- && (first->op_flags & OPf_SPECIAL)
&& (first->op_flags & OPf_KIDS)
+ && ((first->op_flags & OPf_SPECIAL) /* unless ($x) { } */
+ || (other->op_type == OP_NOT)) /* if (!$x && !$y) { } */
&& !PL_madskills) {
if (type == OP_AND || type == OP_OR) {
if (type == OP_AND)
type = OP_OR;
else
type = OP_AND;
- o = first;
- first = *firstp = cUNOPo->op_first;
- if (o->op_next)
- first->op_next = o->op_next;
- cUNOPo->op_first = NULL;
- op_free(o);
+ op_null(first);
+ if (other->op_type == OP_NOT) { /* !a AND|OR !b => !(a OR|AND b) */
+ op_null(other);
+ prepend_not = 1; /* prepend a NOT op later */
+ }
}
}
- if (first->op_type == OP_CONST) {
- if (first->op_private & OPpCONST_STRICT)
- no_bareword_allowed(first);
- else if ((first->op_private & OPpCONST_BARE) && ckWARN(WARN_BAREWORD))
+ /* search for a constant op that could let us fold the test */
+ if ((cstop = search_const(first))) {
+ if (cstop->op_private & OPpCONST_STRICT)
+ no_bareword_allowed(cstop);
+ else if ((cstop->op_private & OPpCONST_BARE) && ckWARN(WARN_BAREWORD))
Perl_warner(aTHX_ packWARN(WARN_BAREWORD), "Bareword found in conditional");
- if ((type == OP_AND && SvTRUE(((SVOP*)first)->op_sv)) ||
- (type == OP_OR && !SvTRUE(((SVOP*)first)->op_sv)) ||
- (type == OP_DOR && !SvOK(((SVOP*)first)->op_sv))) {
+ if ((type == OP_AND && SvTRUE(((SVOP*)cstop)->op_sv)) ||
+ (type == OP_OR && !SvTRUE(((SVOP*)cstop)->op_sv)) ||
+ (type == OP_DOR && !SvOK(((SVOP*)cstop)->op_sv))) {
*firstp = NULL;
if (other->op_type == OP_CONST)
other->op_private |= OPpCONST_SHORTCIRCUIT;
CHECKOP(type,logop);
- o = newUNOP(OP_NULL, 0, (OP*)logop);
+ o = newUNOP(prepend_not ? OP_NOT : OP_NULL, 0, (OP*)logop);
other->op_next = o;
return o;
LOGOP *logop;
OP *start;
OP *o;
+ OP *cstop;
PERL_ARGS_ASSERT_NEWCONDOP;
return newLOGOP(OP_OR, 0, first, falseop);
scalarboolean(first);
- if (first->op_type == OP_CONST) {
+ if ((cstop = search_const(first))) {
/* Left or right arm of the conditional? */
- const bool left = SvTRUE(((SVOP*)first)->op_sv);
+ const bool left = SvTRUE(((SVOP*)cstop)->op_sv);
OP *live = left ? trueop : falseop;
OP *const dead = left ? falseop : trueop;
- if (first->op_private & OPpCONST_BARE &&
- first->op_private & OPpCONST_STRICT) {
- no_bareword_allowed(first);
+ if (cstop->op_private & OPpCONST_BARE &&
+ cstop->op_private & OPpCONST_STRICT) {
+ no_bareword_allowed(cstop);
}
if (PL_madskills) {
/* This is all dead code when PERL_MAD is not defined. */
CvSTART(cv) = NULL;
LEAVE;
}
- SvPOK_off((SV*)cv); /* forget prototype */
+ SvPOK_off(MUTABLE_SV(cv)); /* forget prototype */
CvGV(cv) = NULL;
pad_undef(cv);
CvOUTSIDE(cv) = NULL;
}
if (CvCONST(cv)) {
- SvREFCNT_dec((SV*)CvXSUBANY(cv).any_ptr);
+ SvREFCNT_dec(MUTABLE_SV(CvXSUBANY(cv).any_ptr));
CvCONST_off(cv);
}
if (CvISXSUB(cv) && CvXSUB(cv)) {
=cut
*/
SV *
-Perl_cv_const_sv(pTHX_ CV *cv)
+Perl_cv_const_sv(pTHX_ const CV *const cv)
{
PERL_UNUSED_CONTEXT;
if (!cv)
return NULL;
if (!(SvTYPE(cv) == SVt_PVCV || SvTYPE(cv) == SVt_PVFM))
return NULL;
- return CvCONST(cv) ? (SV*)CvXSUBANY(cv).any_ptr : NULL;
+ return CvCONST(cv) ? MUTABLE_SV(CvXSUBANY(cv).any_ptr) : NULL;
}
/* op_const_sv: examine an optree to determine whether it's in-lineable.
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 (!SvPOK((const SV *)gv)
+ && !(SvIOK((const SV *)gv) && SvIVX((const SV *)gv) == -1)
&& ckWARN_d(WARN_PROTOTYPE))
{
Perl_warner(aTHX_ packWARN(WARN_PROTOTYPE), "Runaway prototype");
}
- cv_ckproto_len((CV*)gv, NULL, ps, ps_len);
+ cv_ckproto_len((const CV *)gv, NULL, ps, ps_len);
}
if (ps)
- sv_setpvn((SV*)gv, ps, ps_len);
+ sv_setpvn(MUTABLE_SV(gv), ps, ps_len);
else
- sv_setiv((SV*)gv, -1);
+ sv_setiv(MUTABLE_SV(gv), -1);
SvREFCNT_dec(PL_compcv);
cv = PL_compcv = NULL;
SvREFCNT_inc_simple_void_NN(const_sv);
if (cv) {
assert(!CvROOT(cv) && !CvCONST(cv));
- sv_setpvn((SV*)cv, "", 0); /* prototype is "" */
+ sv_setpvs(MUTABLE_SV(cv), ""); /* prototype is "" */
CvXSUBANY(cv).any_ptr = const_sv;
CvXSUB(cv) = const_sv_xsub;
CvCONST_on(cv);
|| block->op_type == OP_NULL
#endif
)) {
- rcv = (SV*)cv;
+ rcv = MUTABLE_SV(cv);
/* Might have had built-in attributes applied -- propagate them. */
CvFLAGS(cv) |= (CvFLAGS(PL_compcv) & CVf_BUILTIN_ATTRS);
if (CvGV(cv) && GvSTASH(CvGV(cv)))
}
else {
/* possibly about to re-define existing subr -- ignore old cv */
- rcv = (SV*)PL_compcv;
+ rcv = MUTABLE_SV(PL_compcv);
if (name && GvSTASH(gv))
stash = GvSTASH(gv);
else
GvCV(gv) = cv;
if (PL_madskills) {
if (strEQ(name, "import")) {
- PL_formfeed = (SV*)cv;
+ PL_formfeed = MUTABLE_SV(cv);
Perl_warner(aTHX_ packWARN(WARN_VOID), "%lx\n", (long)cv);
}
}
CvSTASH(cv) = PL_curstash;
if (ps)
- sv_setpvn((SV*)cv, ps, ps_len);
+ sv_setpvn(MUTABLE_SV(cv), ps, ps_len);
if (PL_parser && PL_parser->error_count) {
op_free(block);
if (!block)
goto done;
+ /* If we assign an optree to a PVCV, then we've defined a subroutine that
+ the debugger could be able to set a breakpoint in, so signal to
+ pp_entereval that it should not throw away any saved lines at scope
+ exit. */
+
+ PL_breakable_sub_gen++;
if (CvLVALUE(cv)) {
CvROOT(cv) = newUNOP(OP_LEAVESUBLV, 0,
mod(scalarseq(block), OP_LEAVESUBLV));
PUSHMARK(SP);
XPUSHs(tmpstr);
PUTBACK;
- call_sv((SV*)pcv, G_DISCARD);
+ call_sv(MUTABLE_SV(pcv), G_DISCARD);
}
}
}
SAVECOPLINE(&PL_compiling);
DEBUG_x( dump_sub(gv) );
- Perl_av_create_and_push(aTHX_ &PL_beginav, (SV*)cv);
+ Perl_av_create_and_push(aTHX_ &PL_beginav, MUTABLE_SV(cv));
GvCV(gv) = 0; /* cv has been hijacked */
call_list(oldscope, PL_beginav);
if (*name == 'E') {
if strEQ(name, "END") {
DEBUG_x( dump_sub(gv) );
- Perl_av_create_and_unshift_one(aTHX_ &PL_endav, (SV*)cv);
+ Perl_av_create_and_unshift_one(aTHX_ &PL_endav, MUTABLE_SV(cv));
} else
return;
} else if (*name == 'U') {
if (strEQ(name, "UNITCHECK")) {
/* It's never too late to run a unitcheck block */
- Perl_av_create_and_unshift_one(aTHX_ &PL_unitcheckav, (SV*)cv);
+ Perl_av_create_and_unshift_one(aTHX_ &PL_unitcheckav, MUTABLE_SV(cv));
}
else
return;
if (PL_main_start && ckWARN(WARN_VOID))
Perl_warner(aTHX_ packWARN(WARN_VOID),
"Too late to run CHECK block");
- Perl_av_create_and_unshift_one(aTHX_ &PL_checkav, (SV*)cv);
+ Perl_av_create_and_unshift_one(aTHX_ &PL_checkav, MUTABLE_SV(cv));
}
else
return;
if (PL_main_start && ckWARN(WARN_VOID))
Perl_warner(aTHX_ packWARN(WARN_VOID),
"Too late to run INIT block");
- Perl_av_create_and_push(aTHX_ &PL_initav, (SV*)cv);
+ Perl_av_create_and_push(aTHX_ &PL_initav, MUTABLE_SV(cv));
}
else
return;
}
/* This gets free()d. :-) */
- sv_usepvn_flags((SV*)cv, proto_and_file, proto_and_file_len,
+ sv_usepvn_flags(MUTABLE_SV(cv), proto_and_file, proto_and_file_len,
SV_HAS_TRAILING_NUL);
if (proto) {
/* This gives us the correct prototype, rather than one with the
}
CvFILE(cv) = proto_and_file + proto_len;
} else {
- sv_setpv((SV *)cv, proto);
+ sv_setpv(MUTABLE_SV(cv), proto);
}
return cv;
}
if (cv) /* must reuse cv if autoloaded */
cv_undef(cv);
else {
- cv = (CV*)newSV_type(SVt_PVCV);
+ cv = MUTABLE_CV(newSV_type(SVt_PVCV));
if (name) {
GvCV(gv) = cv;
GvCVGEN(gv) = 0;
{
return newUNOP(OP_REFGEN, 0,
newSVOP(OP_ANONCODE, 0,
- (SV*)newATTRSUB(floor, 0, proto, attrs, block)));
+ MUTABLE_SV(newATTRSUB(floor, 0, proto, attrs, block))));
}
OP *
if ((PL_hints & HINT_LOCALIZE_HH) != 0 && GvHV(PL_hintgv)) {
/* Store a copy of %^H that pp_entereval can pick up. */
OP *hhop = newSVOP(OP_HINTSEVAL, 0,
- (SV*)Perl_hv_copy_hints_hv(aTHX_ GvHV(PL_hintgv)));
+ MUTABLE_SV(Perl_hv_copy_hints_hv(aTHX_ GvHV(PL_hintgv))));
cUNOPo->op_first->op_sibling = hhop;
o->op_private |= OPpEVAL_HAS_HH;
}
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",
+ Perl_croak(aTHX_ "%s argument is not a HASH or ARRAY element or a subroutine",
OP_DESC(o));
op_null(kid);
}
kPADOP->op_padix = pad_alloc(OP_GV, SVs_PADTMP);
SvREFCNT_dec(PAD_SVl(kPADOP->op_padix));
GvIN_PAD_on(gv);
- PAD_SETSV(kPADOP->op_padix, (SV*) SvREFCNT_inc_simple_NN(gv));
+ PAD_SETSV(kPADOP->op_padix, MUTABLE_SV(SvREFCNT_inc_simple_NN(gv)));
#else
kid->op_sv = SvREFCNT_inc_simple_NN(gv);
#endif
namesv = PAD_SVl(targ);
SvUPGRADE(namesv, SVt_PV);
if (*name != '$')
- sv_setpvn(namesv, "$", 1);
+ sv_setpvs(namesv, "$");
sv_catpvn(namesv, name, len);
}
}
gv = gv_fetchpvs("CORE::GLOBAL::glob", 0, SVt_PVCV);
glob_gv = gv_fetchpvs("File::Glob::csh_glob", 0, SVt_PVCV);
GvCV(gv) = GvCV(glob_gv);
- SvREFCNT_inc_void((SV*)GvCV(gv));
+ SvREFCNT_inc_void(MUTABLE_SV(GvCV(gv)));
GvIMPORTED_CV_on(gv);
LEAVE;
}
if (table) {
SV **svp = hv_fetchs(table, "open_IN", FALSE);
if (svp && *svp) {
- const I32 mode = mode_from_discipline(*svp);
+ STRLEN len = 0;
+ const char *d = SvPV_const(*svp, len);
+ const I32 mode = mode_from_discipline(d, len);
if (mode & O_BINARY)
o->op_private |= OPpOPEN_IN_RAW;
else if (mode & O_TEXT)
svp = hv_fetchs(table, "open_OUT", FALSE);
if (svp && *svp) {
- const I32 mode = mode_from_discipline(*svp);
+ STRLEN len = 0;
+ const char *d = SvPV_const(*svp, len);
+ const I32 mode = mode_from_discipline(d, len);
if (mode & O_BINARY)
o->op_private |= OPpOPEN_OUT_RAW;
else if (mode & O_TEXT)
Perl_ck_return(pTHX_ OP *o)
{
dVAR;
+ OP *kid;
PERL_ARGS_ASSERT_CK_RETURN;
+ kid = cLISTOPo->op_first->op_sibling;
if (CvLVALUE(PL_compcv)) {
- OP *kid;
- for (kid = cLISTOPo->op_first->op_sibling; kid; kid = kid->op_sibling)
+ for (; kid; kid = kid->op_sibling)
mod(kid, OP_LEAVESUBLV);
+ } else {
+ for (; kid; kid = kid->op_sibling)
+ if ((kid->op_type == OP_NULL)
+ && ((kid->op_flags & (OPf_SPECIAL|OPf_KIDS)) == (OPf_SPECIAL|OPf_KIDS))) {
+ /* This is a do block */
+ OP *op = kUNOP->op_first;
+ if (op->op_type == OP_LEAVE && op->op_flags & OPf_KIDS) {
+ op = cUNOPx(op)->op_first;
+ assert(op->op_type == OP_ENTER && !(op->op_flags & OPf_SPECIAL));
+ /* Force the use of the caller's context */
+ op->op_flags |= OPf_SPECIAL;
+ }
+ }
}
+
return o;
}
if (kid && kid->op_type == OP_MATCH) {
if (ckWARN(WARN_SYNTAX)) {
const REGEXP *re = PM_GETRE(kPMOP);
- const char *pmstr = re ? RX_PRECOMP(re) : "STRING";
+ const char *pmstr = re ? RX_PRECOMP_const(re) : "STRING";
const STRLEN len = re ? RX_PRELEN(re) : 6;
Perl_warner(aTHX_ packWARN(WARN_SYNTAX),
"/%.*s/ should probably be written as \"%.*s\"",
if (SvPOK(cv)) {
STRLEN len;
namegv = CvANON(cv) ? gv : CvGV(cv);
- proto = SvPV((SV*)cv, len);
+ proto = SvPV(MUTABLE_SV(cv), len);
proto_end = proto + len;
}
}
const char *p = proto;
const char *const end = proto;
contextclass = 0;
- while (*--p != '[');
+ while (*--p != '[') {}
bad_type(arg, Perl_form(aTHX_ "one of %.*s",
(int)(end - p), p),
gv_ename(namegv), o3);
#endif
}
EXTEND(sp, 1);
- ST(0) = (SV*)XSANY.any_ptr;
+ ST(0) = MUTABLE_SV(XSANY.any_ptr);
XSRETURN(1);
}