/* pp_ctl.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.
*/
/*
- * Now far ahead the Road has gone,
- * And I must follow, if I can,
- * Pursuing it with eager feet,
- * Until it joins some larger way
- * Where many paths and errands meet.
- * And whither then? I cannot say.
+ * Now far ahead the Road has gone,
+ * And I must follow, if I can,
+ * Pursuing it with eager feet,
+ * Until it joins some larger way
+ * Where many paths and errands meet.
+ * And whither then? I cannot say.
+ *
+ * [Bilbo on p.35 of _The Lord of the Rings_, I/i: "A Long-Expected Party"]
*/
/* This file contains control-oriented pp ("push/pop") functions that
/* multiple args; concatentate them */
dMARK; dORIGMARK;
tmpstr = PAD_SV(ARGTARG);
- sv_setpvn(tmpstr, "", 0);
+ sv_setpvs(tmpstr, "");
while (++MARK <= SP) {
if (PL_amagic_generation) {
SV *sv;
if (SvROK(tmpstr)) {
SV * const sv = SvRV(tmpstr);
if (SvTYPE(sv) == SVt_REGEXP)
- re = sv;
+ re = (REGEXP*) sv;
}
if (re) {
re = reg_temp_copy(re);
STRLEN len;
const char *t = SvOK(tmpstr) ? SvPV_const(tmpstr, len) : "";
re = PM_GETRE(pm);
+ assert (re != (REGEXP*) &PL_sv_undef);
/* Check against the last compiled regexp. */
- if (!re || !RX_PRECOMP(re) || RX_PRELEN(re) != (I32)len ||
+ if (!re || !RX_PRECOMP(re) || RX_PRELEN(re) != len ||
memNE(RX_PRECOMP(re), t, len))
{
const regexp_engine *eng = re ? RX_ENGINE(re) : NULL;
U32 pm_flags = pm->op_pmflags & PMf_COMPILETIME;
if (re) {
ReREFCNT_dec(re);
+#ifdef USE_ITHREADS
+ PM_SETRE(pm, (REGEXP*) &PL_sv_undef);
+#else
PM_SETRE(pm, NULL); /* crucial if regcomp aborts */
+#endif
} else if (PL_curcop->cop_hints_hash) {
SV *ptr = Perl_refcounted_he_fetch(aTHX_ PL_curcop->cop_hints_hash, 0,
"regcomp", 7, 0, 0);
const char *const p = SvPV(tmpstr, len);
tmpstr = newSVpvn_flags(p, len, SVs_TEMP);
}
- assert(!(pm_flags & RXf_UTF8));
if (eng)
PM_SETRE(pm, CALLREGCOMP_ENG(eng, tmpstr, pm_flags));
if (!(cx->sb_rxtainted & 2) && SvTAINTED(TOPs))
cx->sb_rxtainted |= 2;
sv_catsv(dstr, POPs);
- FREETMPS; /* Prevent excess tmp stack */
/* Are we done */
- if (cx->sb_once || !CALLREGEXEC(rx, s, cx->sb_strend, orig,
+ if (CxONCE(cx) || !CALLREGEXEC(rx, s, cx->sb_strend, orig,
s == m, cx->sb_targ, NULL,
((cx->sb_rflags & REXEC_COPY_STR)
? (REXEC_IGNOREPOS|REXEC_NOT_FIRST)
{ /* Update the pos() information. */
SV * const sv = cx->sb_targ;
MAGIC *mg;
- I32 i;
SvUPGRADE(sv, SVt_PVMG);
if (!(mg = mg_find(sv, PERL_MAGIC_regex_global))) {
#ifdef PERL_OLD_COPY_ON_WRITE
mg = sv_magicext(sv, NULL, PERL_MAGIC_regex_global, &PL_vtbl_mglob,
NULL, 0);
}
- i = m - orig;
- if (DO_UTF8(sv))
- sv_pos_b2u(sv, &i);
- mg->mg_len = i;
+ mg->mg_len = m - orig;
}
if (old != rx)
(void)ReREFCNT_inc(rx);
{
UV *p = (UV*)*rsp;
U32 i;
+
+ PERL_ARGS_ASSERT_RXRES_SAVE;
PERL_UNUSED_CONTEXT;
if (!p || p[1] < RX_NPARENS(rx)) {
}
}
-void
-Perl_rxres_restore(pTHX_ void **rsp, REGEXP *rx)
+static void
+S_rxres_restore(pTHX_ void **rsp, REGEXP *rx)
{
UV *p = (UV*)*rsp;
U32 i;
+
+ PERL_ARGS_ASSERT_RXRES_RESTORE;
PERL_UNUSED_CONTEXT;
RX_MATCH_COPY_FREE(rx);
}
}
-void
-Perl_rxres_free(pTHX_ void **rsp)
+static void
+S_rxres_free(pTHX_ void **rsp)
{
UV * const p = (UV*)*rsp;
+
+ PERL_ARGS_ASSERT_RXRES_FREE;
PERL_UNUSED_CONTEXT;
if (p) {
SV * nsv = NULL;
OP * parseres = NULL;
const char *fmt;
- bool oneline;
if (!SvMAGICAL(tmpForm) || !SvCOMPILED(tmpForm)) {
if (SvREADONLY(tmpForm)) {
*t = '\0';
sv_catpvn_utf8_upgrade(PL_formtarget, f, arg, nsv);
t = SvEND(PL_formtarget);
+ f += arg;
break;
}
if (!targ_is_utf8 && DO_UTF8(tmpForm)) {
SvCUR_set(PL_formtarget, t - SvPVX_const(PL_formtarget));
*t = '\0';
- sv_utf8_upgrade(PL_formtarget);
- SvGROW(PL_formtarget, SvCUR(PL_formtarget) + fudge + 1);
+ sv_utf8_upgrade_flags_grow(PL_formtarget, SV_GMAGIC, fudge + 1);
t = SvEND(PL_formtarget);
targ_is_utf8 = TRUE;
}
if (!targ_is_utf8) {
SvCUR_set(PL_formtarget, t - SvPVX_const(PL_formtarget));
*t = '\0';
- sv_utf8_upgrade(PL_formtarget);
- SvGROW(PL_formtarget, SvCUR(PL_formtarget) + fudge + 1);
+ sv_utf8_upgrade_flags_grow(PL_formtarget, SV_GMAGIC,
+ fudge + 1);
t = SvEND(PL_formtarget);
targ_is_utf8 = TRUE;
}
case FF_LINESNGL:
chopspace = 0;
- oneline = TRUE;
- goto ff_line;
case FF_LINEGLOB:
- oneline = FALSE;
- ff_line:
{
+ const bool oneline = fpc[-1] == FF_LINESNGL;
const char *s = item = SvPV_const(sv, len);
+ item_is_utf8 = DO_UTF8(sv);
itemsize = len;
- if ((item_is_utf8 = DO_UTF8(sv)))
- itemsize = sv_len_utf8(sv);
if (itemsize) {
- bool chopped = FALSE;
+ STRLEN to_copy = itemsize;
const char *const send = s + len;
+ const U8 *source = (const U8 *) s;
+ U8 *tmp = NULL;
+
gotsome = TRUE;
chophere = s + itemsize;
while (s < send) {
if (*s++ == '\n') {
if (oneline) {
- chopped = TRUE;
+ to_copy = s - SvPVX_const(sv) - 1;
chophere = s;
break;
} else {
if (s == send) {
itemsize--;
- chopped = TRUE;
+ to_copy--;
} else
lines++;
}
}
}
- SvCUR_set(PL_formtarget, t - SvPVX_const(PL_formtarget));
- if (targ_is_utf8)
- SvUTF8_on(PL_formtarget);
- if (oneline) {
- SvCUR_set(sv, chophere - item);
- sv_catsv(PL_formtarget, sv);
- SvCUR_set(sv, itemsize);
- } else
- sv_catsv(PL_formtarget, sv);
- if (chopped)
- SvCUR_set(PL_formtarget, SvCUR(PL_formtarget) - 1);
- SvGROW(PL_formtarget, SvCUR(PL_formtarget) + fudge + 1);
+ if (targ_is_utf8 && !item_is_utf8) {
+ source = tmp = bytes_to_utf8(source, &to_copy);
+ SvCUR_set(PL_formtarget,
+ t - SvPVX_const(PL_formtarget));
+ } else {
+ if (item_is_utf8 && !targ_is_utf8) {
+ /* Upgrade targ to UTF8, and then we reduce it to
+ a problem we have a simple solution for. */
+ SvCUR_set(PL_formtarget,
+ t - SvPVX_const(PL_formtarget));
+ targ_is_utf8 = TRUE;
+ /* Don't need get magic. */
+ sv_utf8_upgrade_nomg(PL_formtarget);
+ } else {
+ SvCUR_set(PL_formtarget,
+ t - SvPVX_const(PL_formtarget));
+ }
+
+ /* Easy. They agree. */
+ assert (item_is_utf8 == targ_is_utf8);
+ }
+ SvGROW(PL_formtarget,
+ SvCUR(PL_formtarget) + to_copy + fudge + 1);
t = SvPVX(PL_formtarget) + SvCUR(PL_formtarget);
- if (item_is_utf8)
- targ_is_utf8 = TRUE;
+
+ Copy(source, t, to_copy, char);
+ t += to_copy;
+ SvCUR_set(PL_formtarget, SvCUR(PL_formtarget) + to_copy);
+ if (item_is_utf8) {
+ if (SvGMAGICAL(sv)) {
+ /* Mustn't call sv_pos_b2u() as it does a second
+ mg_get(). Is this a bug? Do we need a _flags()
+ variant? */
+ itemsize = utf8_length(source, source + itemsize);
+ } else {
+ sv_pos_b2u(sv, &itemsize);
+ }
+ assert(!tmp);
+ } else if (tmp) {
+ Safefree(tmp);
+ }
}
break;
}
if (PL_op->op_private & OPpGREP_LEX)
PAD_SVl(PL_op->op_targ) = src;
else
- DEFSV = src;
+ DEFSV_set(src);
PUTBACK;
if (PL_op->op_type == OP_MAPSTART)
if (PL_op->op_private & OPpGREP_LEX)
PAD_SVl(PL_op->op_targ) = src;
else
- DEFSV = src;
+ DEFSV_set(src);
RETURNOP(cLOGOP->op_other);
}
RETURNOP(((LOGOP*)cUNOP->op_first)->op_other);
}
}
- sv_setpvn(TARG, "", 0);
+ sv_setpvs(TARG, "");
SETs(targ);
RETURN;
}
static const char * const context_name[] = {
"pseudo-block",
+ NULL, /* CXt_WHEN never actually needs "block" */
+ NULL, /* CXt_BLOCK never actually needs "block" */
+ NULL, /* CXt_GIVEN never actually needs "block" */
+ NULL, /* CXt_LOOP_FOR never actually needs "loop" */
+ NULL, /* CXt_LOOP_PLAIN never actually needs "loop" */
+ NULL, /* CXt_LOOP_LAZYSV never actually needs "loop" */
+ NULL, /* CXt_LOOP_LAZYIV never actually needs "loop" */
"subroutine",
+ "format",
"eval",
- "loop",
"substitution",
- "block",
- "format",
- "given",
- "when"
};
STATIC I32
dVAR;
register I32 i;
+ PERL_ARGS_ASSERT_DOPOPTOLABEL;
+
for (i = cxstack_ix; i >= 0; i--) {
register const PERL_CONTEXT * const cx = &cxstack[i];
switch (CxTYPE(cx)) {
case CXt_FORMAT:
case CXt_EVAL:
case CXt_NULL:
- case CXt_GIVEN:
- case CXt_WHEN:
if (ckWARN(WARN_EXITING))
Perl_warner(aTHX_ packWARN(WARN_EXITING), "Exiting %s via %s",
context_name[CxTYPE(cx)], OP_NAME(PL_op));
if (CxTYPE(cx) == CXt_NULL)
return -1;
break;
- case CXt_LOOP:
- if ( !cx->blk_loop.label || strNE(label, cx->blk_loop.label) ) {
+ case CXt_LOOP_LAZYIV:
+ case CXt_LOOP_LAZYSV:
+ case CXt_LOOP_FOR:
+ case CXt_LOOP_PLAIN:
+ if ( !CxLABEL(cx) || strNE(label, CxLABEL(cx)) ) {
DEBUG_l(Perl_deb(aTHX_ "(Skipping label #%ld %s)\n",
- (long)i, cx->blk_loop.label));
+ (long)i, CxLABEL(cx)));
continue;
}
DEBUG_l( Perl_deb(aTHX_ "(Found label #%ld %s)\n", (long)i, label));
const I32 cxix = dopoptosub(cxstack_ix);
assert(cxix >= 0); /* We should only be called from inside subs */
- if (cxstack[cxix].blk_sub.lval && CvLVALUE(cxstack[cxix].blk_sub.cv))
- return cxstack[cxix].blk_sub.lval;
+ if (CxLVAL(cxstack + cxix) && CvLVALUE(cxstack[cxix].blk_sub.cv))
+ return CxLVAL(cxstack + cxix);
else
return 0;
}
{
dVAR;
I32 i;
+
+ PERL_ARGS_ASSERT_DOPOPTOSUB_AT;
+
for (i = startingblock; i >= 0; i--) {
register const PERL_CONTEXT * const cx = &cxstk[i];
switch (CxTYPE(cx)) {
if ((CxTYPE(cx)) == CXt_NULL)
return -1;
break;
- case CXt_LOOP:
+ case CXt_LOOP_LAZYIV:
+ case CXt_LOOP_LAZYSV:
+ case CXt_LOOP_FOR:
+ case CXt_LOOP_PLAIN:
DEBUG_l( Perl_deb(aTHX_ "(Found loop #%ld)\n", (long)i));
return i;
}
case CXt_GIVEN:
DEBUG_l( Perl_deb(aTHX_ "(Found given #%ld)\n", (long)i));
return i;
- case CXt_LOOP:
+ case CXt_LOOP_PLAIN:
+ assert(!CxFOREACHDEF(cx));
+ break;
+ case CXt_LOOP_LAZYIV:
+ case CXt_LOOP_LAZYSV:
+ case CXt_LOOP_FOR:
if (CxFOREACHDEF(cx)) {
DEBUG_l( Perl_deb(aTHX_ "(Found foreach #%ld)\n", (long)i));
return i;
case CXt_EVAL:
POPEVAL(cx);
break;
- case CXt_LOOP:
+ case CXt_LOOP_LAZYIV:
+ case CXt_LOOP_LAZYSV:
+ case CXt_LOOP_FOR:
+ case CXt_LOOP_PLAIN:
POPLOOP(cx);
break;
case CXt_NULL:
Perl_qerror(pTHX_ SV *err)
{
dVAR;
+
+ PERL_ARGS_ASSERT_QERROR;
+
if (PL_in_eval)
sv_catsv(ERRSV, err);
else if (PL_errors)
SV * const err = ERRSV;
const char *e = NULL;
if (!SvPOK(err))
- sv_setpvn(err,"",0);
+ sv_setpvs(err,"");
else if (SvCUR(err) >= sizeof(prefix)+msglen-1) {
STRLEN len;
e = SvPV_const(err, len);
sv_catpvn(err, message, msglen);
if (ckWARN(WARN_MISC)) {
const STRLEN start = SvCUR(err)-msglen-sizeof(prefix)+1;
- Perl_warner(aTHX_ packWARN(WARN_MISC), SvPVX_const(err)+start);
+ Perl_warner(aTHX_ packWARN(WARN_MISC), "%s",
+ SvPVX_const(err)+start);
}
}
}
SV * const sv = newSV(0);
gv_efullname3(sv, cvgv, NULL);
mPUSHs(sv);
- mPUSHi((I32)cx->blk_sub.hasargs);
+ PUSHs(boolSV(CxHASARGS(cx)));
}
else {
PUSHs(newSVpvs_flags("(unknown)", SVs_TEMP));
- mPUSHi((I32)cx->blk_sub.hasargs);
+ PUSHs(boolSV(CxHASARGS(cx)));
}
}
else {
if (gimme == G_VOID)
PUSHs(&PL_sv_undef);
else
- mPUSHi(gimme & G_ARRAY);
+ PUSHs(boolSV((gimme & G_WANT) == G_ARRAY));
if (CxTYPE(cx) == CXt_EVAL) {
/* eval STRING */
- if (cx->blk_eval.old_op_type == OP_ENTEREVAL) {
+ if (CxOLD_OP_TYPE(cx) == OP_ENTEREVAL) {
PUSHs(cx->blk_eval.cur_text);
PUSHs(&PL_sv_no);
}
PUSHs(&PL_sv_undef);
PUSHs(&PL_sv_undef);
}
- if (CxTYPE(cx) == CXt_SUB && cx->blk_sub.hasargs
+ if (CxTYPE(cx) == CXt_SUB && CxHASARGS(cx)
&& CopSTASH_eq(PL_curcop, PL_debstash))
{
AV * const ary = cx->blk_sub.argarray;
/* Get the bit mask for $warnings::Bits{all}, because
* it could have been extended by warnings::register */
SV **bits_all;
- HV * const bits = get_hv("warnings::Bits", FALSE);
+ HV * const bits = get_hv("warnings::Bits", 0);
if (bits && (bits_all=hv_fetchs(bits, "all", FALSE))) {
mask = newSVsv(*bits_all);
}
PUSHs(cx->blk_oldcop->cop_hints_hash ?
sv_2mortal(newRV_noinc(
- (SV*)Perl_refcounted_he_chain_2hv(aTHX_
- cx->blk_oldcop->cop_hints_hash)))
+ MUTABLE_SV(Perl_refcounted_he_chain_2hv(aTHX_
+ cx->blk_oldcop->cop_hints_hash))))
: &PL_sv_undef);
RETURN;
}
register PERL_CONTEXT *cx;
const I32 gimme = GIMME_V;
SV **svp;
- U16 cxtype = CXt_LOOP | CXp_FOREACH;
+ U8 cxtype = CXt_LOOP_FOR;
#ifdef USE_ITHREADS
- void *iterdata;
+ PAD *iterdata;
#endif
ENTER;
SAVESETSVFLAGS(PAD_SVl(PL_op->op_targ),
SVs_PADSTALE, SVs_PADSTALE);
}
+ SAVEPADSVANDMORTALIZE(PL_op->op_targ);
#ifndef USE_ITHREADS
svp = &PAD_SVl(PL_op->op_targ); /* "my" variable */
- SAVESPTR(*svp);
#else
- SAVEPADSV(PL_op->op_targ);
- iterdata = INT2PTR(void*, PL_op->op_targ);
- cxtype |= CXp_PADVAR;
+ iterdata = NULL;
#endif
}
else {
- GV * const gv = (GV*)POPs;
+ GV * const gv = MUTABLE_GV(POPs);
svp = &GvSV(gv); /* symbol table variable */
SAVEGENERICSV(*svp);
*svp = newSV(0);
#ifdef USE_ITHREADS
- iterdata = (void*)gv;
+ iterdata = (PAD*)gv;
#endif
}
PUSHBLOCK(cx, cxtype, SP);
#ifdef USE_ITHREADS
- PUSHLOOP(cx, iterdata, MARK);
+ PUSHLOOP_FOR(cx, iterdata, MARK, PL_op->op_targ);
#else
- PUSHLOOP(cx, svp, MARK);
+ PUSHLOOP_FOR(cx, svp, MARK, 0);
#endif
if (PL_op->op_flags & OPf_STACKED) {
- cx->blk_loop.iterary = (AV*)SvREFCNT_inc(POPs);
- if (SvTYPE(cx->blk_loop.iterary) != SVt_PVAV) {
+ SV *maybe_ary = POPs;
+ if (SvTYPE(maybe_ary) != SVt_PVAV) {
dPOPss;
- SV * const right = (SV*)cx->blk_loop.iterary;
+ SV * const right = maybe_ary;
SvGETMAGIC(sv);
SvGETMAGIC(right);
if (RANGE_IS_NUMERIC(sv,right)) {
- if ((SvOK(sv) && SvNV(sv) < IV_MIN) ||
- (SvOK(right) && SvNV(right) >= IV_MAX))
+ cx->cx_type &= ~CXTYPEMASK;
+ cx->cx_type |= CXt_LOOP_LAZYIV;
+ /* Make sure that no-one re-orders cop.h and breaks our
+ assumptions */
+ assert(CxTYPE(cx) == CXt_LOOP_LAZYIV);
+#ifdef NV_PRESERVES_UV
+ if ((SvOK(sv) && ((SvNV(sv) < (NV)IV_MIN) ||
+ (SvNV(sv) > (NV)IV_MAX)))
+ ||
+ (SvOK(right) && ((SvNV(right) > (NV)IV_MAX) ||
+ (SvNV(right) < (NV)IV_MIN))))
+#else
+ if ((SvOK(sv) && ((SvNV(sv) <= (NV)IV_MIN)
+ ||
+ ((SvNV(sv) > 0) &&
+ ((SvUV(sv) > (UV)IV_MAX) ||
+ (SvNV(sv) > (NV)UV_MAX)))))
+ ||
+ (SvOK(right) && ((SvNV(right) <= (NV)IV_MIN)
+ ||
+ ((SvNV(right) > 0) &&
+ ((SvUV(right) > (UV)IV_MAX) ||
+ (SvNV(right) > (NV)UV_MAX))))))
+#endif
DIE(aTHX_ "Range iterator outside integer range");
- cx->blk_loop.iterix = SvIV(sv);
- cx->blk_loop.itermax = SvIV(right);
+ cx->blk_loop.state_u.lazyiv.cur = SvIV(sv);
+ cx->blk_loop.state_u.lazyiv.end = SvIV(right);
#ifdef DEBUGGING
/* for correct -Dstv display */
cx->blk_oldsp = sp - PL_stack_base;
#endif
}
else {
- cx->blk_loop.iterlval = newSVsv(sv);
- (void) SvPV_force_nolen(cx->blk_loop.iterlval);
+ cx->cx_type &= ~CXTYPEMASK;
+ cx->cx_type |= CXt_LOOP_LAZYSV;
+ /* Make sure that no-one re-orders cop.h and breaks our
+ assumptions */
+ assert(CxTYPE(cx) == CXt_LOOP_LAZYSV);
+ cx->blk_loop.state_u.lazysv.cur = newSVsv(sv);
+ cx->blk_loop.state_u.lazysv.end = right;
+ SvREFCNT_inc(right);
+ (void) SvPV_force_nolen(cx->blk_loop.state_u.lazysv.cur);
+ /* This will do the upgrade to SVt_PV, and warn if the value
+ is uninitialised. */
(void) SvPV_nolen_const(right);
+ /* Doing this avoids a check every time in pp_iter in pp_hot.c
+ to replace !SvOK() with a pointer to "". */
+ if (!SvOK(right)) {
+ SvREFCNT_dec(right);
+ cx->blk_loop.state_u.lazysv.end = &PL_sv_no;
+ }
}
}
- else if (PL_op->op_private & OPpITER_REVERSED) {
- cx->blk_loop.itermax = 0;
- cx->blk_loop.iterix = AvFILL(cx->blk_loop.iterary) + 1;
-
+ else /* SvTYPE(maybe_ary) == SVt_PVAV */ {
+ cx->blk_loop.state_u.ary.ary = MUTABLE_AV(maybe_ary);
+ SvREFCNT_inc(maybe_ary);
+ cx->blk_loop.state_u.ary.ix =
+ (PL_op->op_private & OPpITER_REVERSED) ?
+ AvFILL(cx->blk_loop.state_u.ary.ary) + 1 :
+ -1;
}
}
- else {
- cx->blk_loop.iterary = PL_curstack;
- AvFILLp(PL_curstack) = SP - PL_stack_base;
+ else { /* iterating over items on the stack */
+ cx->blk_loop.state_u.ary.ary = NULL; /* means to use the stack */
if (PL_op->op_private & OPpITER_REVERSED) {
- cx->blk_loop.itermax = MARK - PL_stack_base + 1;
- cx->blk_loop.iterix = cx->blk_oldsp + 1;
+ cx->blk_loop.state_u.ary.ix = cx->blk_oldsp + 1;
}
else {
- cx->blk_loop.iterix = MARK - PL_stack_base;
+ cx->blk_loop.state_u.ary.ix = MARK - PL_stack_base;
}
}
SAVETMPS;
ENTER;
- PUSHBLOCK(cx, CXt_LOOP, SP);
- PUSHLOOP(cx, 0, SP);
+ PUSHBLOCK(cx, CXt_LOOP_PLAIN, SP);
+ PUSHLOOP_PLAIN(cx, SP);
RETURN;
}
SV **mark;
POPBLOCK(cx,newpm);
- assert(CxTYPE(cx) == CXt_LOOP);
+ assert(CxTYPE_is_LOOP(cx));
mark = newsp;
newsp = PL_stack_base + cx->blk_loop.resetsp;
PL_curpm = newpm; /* ... and pop $1 et al */
LEAVESUB(sv);
- if (clear_errsv)
- sv_setpvn(ERRSV,"",0);
+ if (clear_errsv) {
+ CLEAR_ERRSV();
+ }
return retop;
}
cxstack_ix++; /* temporarily protect top context */
mark = newsp;
switch (CxTYPE(cx)) {
- case CXt_LOOP:
- pop2 = CXt_LOOP;
+ case CXt_LOOP_LAZYIV:
+ case CXt_LOOP_LAZYSV:
+ case CXt_LOOP_FOR:
+ case CXt_LOOP_PLAIN:
+ pop2 = CxTYPE(cx);
newsp = PL_stack_base + cx->blk_loop.resetsp;
nextop = cx->blk_loop.my_op->op_lastop->op_next;
break;
cxstack_ix--;
/* Stack values are safe: */
switch (pop2) {
- case CXt_LOOP:
+ case CXt_LOOP_LAZYIV:
+ case CXt_LOOP_PLAIN:
+ case CXt_LOOP_LAZYSV:
+ case CXt_LOOP_FOR:
POPLOOP(cx); /* release loop vars ... */
LEAVE;
break;
OP **ops = opstack;
static const char too_deep[] = "Target of goto is too deeply nested";
+ PERL_ARGS_ASSERT_DOFINDLABEL;
+
if (ops >= oplimit)
Perl_croak(aTHX_ too_deep);
if (o->op_type == OP_LEAVE ||
/* First try all the kids at this level, since that's likeliest. */
for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling) {
if ((kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) &&
- kCOP->cop_label && strEQ(kCOP->cop_label, label))
+ CopLABEL(kCOP) && strEQ(CopLABEL(kCOP), label))
return kid;
}
for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling) {
if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVCV) {
I32 cxix;
register PERL_CONTEXT *cx;
- CV* cv = (CV*)SvRV(sv);
+ CV *cv = MUTABLE_CV(SvRV(sv));
SV** mark;
I32 items = 0;
I32 oldsave;
}
else if (CxMULTICALL(cx))
DIE(aTHX_ "Can't goto subroutine from a sort sub (or similar callback)");
- if (CxTYPE(cx) == CXt_SUB && cx->blk_sub.hasargs) {
+ if (CxTYPE(cx) == CXt_SUB && CxHASARGS(cx)) {
/* put @_ back onto stack */
AV* av = cx->blk_sub.argarray;
av = newAV();
av_extend(av, items-1);
AvREIFY_only(av);
- PAD_SVl(0) = (SV*)(cx->blk_sub.argarray = av);
+ PAD_SVl(0) = MUTABLE_SV(cx->blk_sub.argarray = av);
}
}
else if (CvISXSUB(cv)) { /* put GvAV(defgv) back onto stack */
else {
AV* const padlist = CvPADLIST(cv);
if (CxTYPE(cx) == CXt_EVAL) {
- PL_in_eval = cx->blk_eval.old_in_eval;
+ PL_in_eval = CxOLD_IN_EVAL(cx);
PL_eval_root = cx->blk_eval.old_eval_root;
cx->cx_type = CXt_SUB;
- cx->blk_sub.hasargs = 0;
}
cx->blk_sub.cv = cv;
cx->blk_sub.olddepth = CvDEPTH(cv);
if (CvDEPTH(cv) < 2)
SvREFCNT_inc_simple_void_NN(cv);
else {
- if (CvDEPTH(cv) == 100 && ckWARN(WARN_RECURSION))
+ if (CvDEPTH(cv) == PERL_SUB_DEPTH_WARN && ckWARN(WARN_RECURSION))
sub_crush_depth(cv);
pad_push(padlist, CvDEPTH(cv));
}
SAVECOMPPAD();
PAD_SET_CUR_NOSAVE(padlist, CvDEPTH(cv));
- if (cx->blk_sub.hasargs)
+ if (CxHASARGS(cx))
{
- AV* const av = (AV*)PAD_SVl(0);
+ AV *const av = MUTABLE_AV(PAD_SVl(0));
cx->blk_sub.savearray = GvAV(PL_defgv);
- GvAV(PL_defgv) = (AV*)SvREFCNT_inc_simple(av);
+ GvAV(PL_defgv) = MUTABLE_AV(SvREFCNT_inc_simple(av));
CX_CURPAD_SAVE(cx->blk_sub);
cx->blk_sub.argarray = av;
if (PERLDB_SUB) { /* Checking curstash breaks DProf. */
Perl_get_db_sub(aTHX_ NULL, cv);
if (PERLDB_GOTO) {
- CV * const gotocv = get_cv("DB::goto", FALSE);
+ CV * const gotocv = get_cvs("DB::goto", 0);
if (gotocv) {
PUSHMARK( PL_stack_sp );
- call_sv((SV*)gotocv, G_SCALAR | G_NODEBUG);
+ call_sv(MUTABLE_SV(gotocv), G_SCALAR | G_NODEBUG);
PL_stack_sp--;
}
}
break;
}
/* else fall through */
- case CXt_LOOP:
+ case CXt_LOOP_LAZYIV:
+ case CXt_LOOP_LAZYSV:
+ case CXt_LOOP_FOR:
+ case CXt_LOOP_PLAIN:
gotoprobe = cx->blk_oldcop->op_sibling;
break;
case CXt_SUBST:
const char * const send = SvPVX_const(sv) + SvCUR(sv);
I32 line = 1;
+ PERL_ARGS_ASSERT_SAVE_LINES;
+
while (s && s < send) {
const char *t;
SV * const tmpstr = newSV_type(SVt_PVMG);
- t = strchr(s, '\n');
+ t = (const char *)memchr(s, '\n', send - s);
if (t)
t++;
else
CV* runcv = NULL; /* initialise to avoid compiler warnings */
STRLEN len;
+ PERL_ARGS_ASSERT_SV_COMPILE_2OP;
+
ENTER;
lex_start(sv, NULL, FALSE);
SAVETMPS;
PL_op->op_type = OP_ENTEREVAL;
PL_op->op_flags = 0; /* Avoid uninit warning. */
PUSHBLOCK(cx, CXt_EVAL|(IN_PERL_COMPILETIME ? 0 : CXp_REAL), SP);
- PUSHEVAL(cx, 0, NULL);
+ PUSHEVAL(cx, 0);
if (runtime)
(void) doeval(G_SCALAR, startop, runcv, PL_curcop->cop_seq);
(*startop)->op_ppaddr = PL_ppaddr[OP_NULL];
lex_end();
/* XXX DAPM do this properly one year */
- *padp = (AV*)SvREFCNT_inc_simple(PL_comppad);
+ *padp = MUTABLE_AV(SvREFCNT_inc_simple(PL_comppad));
LEAVE;
if (IN_PERL_COMPILETIME)
CopHINTS_set(&PL_compiling, PL_hints);
PUSHMARK(SP);
SAVESPTR(PL_compcv);
- PL_compcv = (CV*)newSV_type(SVt_PVCV);
+ PL_compcv = MUTABLE_CV(newSV_type(SVt_PVCV));
CvEVAL_on(PL_compcv);
assert(CxTYPE(&cxstack[cxstack_ix]) == CXt_EVAL);
cxstack[cxstack_ix].blk_eval.cv = PL_compcv;
CvOUTSIDE_SEQ(PL_compcv) = seq;
- CvOUTSIDE(PL_compcv) = (CV*)SvREFCNT_inc_simple(outside);
+ CvOUTSIDE(PL_compcv) = MUTABLE_CV(SvREFCNT_inc_simple(outside));
/* set up a scratch pad */
if (saveop && (saveop->op_type != OP_REQUIRE) && (saveop->op_flags & OPf_SPECIAL))
PL_in_eval |= EVAL_KEEPERR;
else
- sv_setpvn(ERRSV,"",0);
+ CLEAR_ERRSV();
if (yyparse() || PL_parser->error_count || !PL_eval_root) {
SV **newsp; /* Used by POPBLOCK. */
PERL_CONTEXT *cx = &cxstack[cxstack_ix];
POPEVAL(cx);
}
lex_end();
- LEAVE;
+ LEAVE; /* pp_entereval knows about this LEAVE. */
msg = SvPVx_nolen_const(ERRSV);
if (optype == OP_REQUIRE) {
&& cLISTOPx(cUNOPx(PL_eval_root)->op_first)->op_last->op_type
== OP_REQUIRE)
scalar(PL_eval_root);
- else if (gimme & G_VOID)
+ else if ((gimme & G_WANT) == G_VOID)
scalarvoid(PL_eval_root);
- else if (gimme & G_ARRAY)
+ else if ((gimme & G_WANT) == G_ARRAY)
list(PL_eval_root);
else
scalar(PL_eval_root);
/* Register with debugger: */
if (PERLDB_INTER && saveop && saveop->op_type == OP_REQUIRE) {
- CV * const cv = get_cv("DB::postponed", FALSE);
+ CV * const cv = get_cvs("DB::postponed", 0);
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);
}
}
Stat_t st;
const int st_rc = PerlLIO_stat(name, &st);
+ PERL_ARGS_ASSERT_CHECK_TYPE_AND_OPEN;
+
if (st_rc < 0 || S_ISDIR(st.st_mode) || S_ISBLK(st.st_mode)) {
return NULL;
}
{
PerlIO *fp;
+ PERL_ARGS_ASSERT_DOOPEN_PM;
+
if (namelen > 3 && memEQs(name + namelen - 3, 3, ".pm")) {
SV *const pmcsv = newSV(namelen + 2);
char *const pmc = SvPVX(pmcsv);
sv = POPs;
if ( (SvNIOKp(sv) || SvVOK(sv)) && PL_op->op_type != OP_DOFILE) {
- if ( SvVOK(sv) && ckWARN(WARN_PORTABLE) ) { /* require v5.6.1 */
- HV * hinthv = GvHV(PL_hintgv);
- SV ** ptr = NULL;
- if (hinthv) ptr = hv_fetchs(hinthv, "v_string", FALSE);
- if ( !(ptr && *ptr && SvIOK(*ptr) && SvIV(*ptr)) )
- Perl_warner(aTHX_ packWARN(WARN_PORTABLE),
- "v-string in use/require non-portable");
- }
sv = new_version(sv);
if (!sv_derived_from(PL_patchlevel, "version"))
upg_version(PL_patchlevel, TRUE);
I32 first = 0;
AV *lav;
SV * const req = SvRV(sv);
- SV * const pv = *hv_fetchs((HV*)req, "original", FALSE);
+ SV * const pv = *hv_fetchs(MUTABLE_HV(req), "original", FALSE);
/* get the left hand term */
- lav = (AV *)SvRV(*hv_fetchs((HV*)req, "version", FALSE));
+ lav = MUTABLE_AV(SvRV(*hv_fetchs(MUTABLE_HV(req), "version", FALSE)));
first = SvIV(*av_fetch(lav,0,0));
if ( first > (int)PERL_REVISION /* probably 'use 6.0' */
- || hv_exists((HV*)req, "qv", 2 ) /* qv style */
+ || hv_exists(MUTABLE_HV(req), "qv", 2 ) /* qv style */
|| av_len(lav) > 1 /* FP with > 3 digits */
|| strstr(SvPVX(pv),".0") /* FP with leading 0 */
) {
/* We do this only with use, not require. */
if (PL_compcv &&
- /* If we request a version >= 5.6.0, then v-string are OK
- so set $^H{v_string} to suppress the v-string warning */
- vcmp(sv, sv_2mortal(upg_version(newSVnv(5.006), FALSE))) >= 0) {
- HV * hinthv = GvHV(PL_hintgv);
- if( hinthv ) {
- SV *hint = newSViv(1);
- (void)hv_stores(hinthv, "v_string", hint);
- /* This will call through to Perl_magic_sethint() which in turn
- sets PL_hints correctly. */
- SvSETMAGIC(hint);
- }
/* If we request a version >= 5.9.5, load feature.pm with the
* feature bundle that corresponds to the required version. */
- if (vcmp(sv, sv_2mortal(upg_version(newSVnv(5.009005), FALSE))) >= 0) {
+ vcmp(sv, sv_2mortal(upg_version(newSVnv(5.009005), FALSE))) >= 0) {
SV *const importsv = vnormal(sv);
*SvPVX_mutable(importsv) = ':';
ENTER;
Perl_load_module(aTHX_ 0, newSVpvs("feature"), NULL, importsv, NULL);
LEAVE;
- }
}
RETPUSHYES;
tryname = name;
tryrsfp = doopen_pm(name, len);
}
-#ifdef MACOS_TRADITIONAL
- if (!tryrsfp) {
- char newname[256];
-
- MacPerl_CanonDir(name, newname, 1);
- if (path_is_absolute(newname)) {
- tryname = newname;
- tryrsfp = doopen_pm(newname, strlen(newname));
- }
- }
-#endif
if (!tryrsfp) {
AV * const ar = GvAVn(PL_incgv);
I32 i;
if (vms_unixname)
#endif
{
- namesv = newSV(0);
- sv_upgrade(namesv, SVt_PV);
+ namesv = newSV_type(SVt_PV);
for (i = 0; i <= AvFILL(ar); i++) {
SV * const dirsv = *av_fetch(ar, i, TRUE);
- if (SvTIED_mg((SV*)ar, PERL_MAGIC_tied))
+ if (SvTIED_mg((const SV *)ar, PERL_MAGIC_tied))
mg_get(dirsv);
if (SvROK(dirsv)) {
int count;
if (SvTYPE(SvRV(loader)) == SVt_PVAV
&& !sv_isobject(loader))
{
- loader = *av_fetch((AV *)SvRV(loader), 0, TRUE);
+ loader = *av_fetch(MUTABLE_AV(SvRV(loader)), 0, TRUE);
}
Perl_sv_setpvf(aTHX_ namesv, "/loader/0x%"UVxf"/%s",
}
}
- if (SvROK(arg) && SvTYPE(SvRV(arg)) == SVt_PVGV) {
+ if (SvROK(arg) && isGV_with_GP(SvRV(arg))) {
arg = SvRV(arg);
}
- if (SvTYPE(arg) == SVt_PVGV) {
- IO * const io = GvIO((GV *)arg);
+ if (isGV_with_GP(arg)) {
+ IO * const io = GvIO((const GV *)arg);
++filter_has_file;
}
else {
if (!path_is_absolute(name)
-#ifdef MACOS_TRADITIONAL
- /* We consider paths of the form :a:b ambiguous and interpret them first
- as global then as local
- */
- || (*name == ':' && name[1] != ':' && strchr(name+2, ':'))
-#endif
) {
const char *dir;
STRLEN dirlen;
dirlen = 0;
}
-#ifdef MACOS_TRADITIONAL
- char buf1[256];
- char buf2[256];
-
- MacPerl_CanonDir(name, buf2, 1);
- Perl_sv_setpvf(aTHX_ namesv, "%s%s", MacPerl_CanonDir(dir, buf1, 0), buf2+(buf2[0] == ':'));
-#else
-# ifdef VMS
+#ifdef VMS
char *unixdir;
if ((unixdir = tounixpath(dir, NULL)) == NULL)
continue;
sv_setpv(namesv, unixdir);
sv_catpv(namesv, unixname);
-# else
-# ifdef __SYMBIAN32__
+#else
+# ifdef __SYMBIAN32__
if (PL_origfilename[0] &&
PL_origfilename[1] == ':' &&
!(dir[0] && dir[1] == ':'))
Perl_sv_setpvf(aTHX_ namesv,
"%s\\%s",
dir, name);
-# else
+# else
/* The equivalent of
Perl_sv_setpvf(aTHX_ namesv, "%s/%s", dir, name);
but without the need to parse the format string, or
/* Don't even actually have to turn SvPOK_on() as we
access it directly with SvPVX() below. */
}
-# endif
# endif
#endif
TAINT_PROPER("require");
SAVEHINTS();
PL_hints = 0;
+ if (PL_compiling.cop_hints_hash) {
+ Perl_refcounted_he_free(aTHX_ PL_compiling.cop_hints_hash);
+ PL_compiling.cop_hints_hash = NULL;
+ }
+
SAVECOMPILEWARNINGS();
if (PL_dowarn & G_WARN_ALL_ON)
PL_compiling.cop_warnings = pWARN_ALL ;
if (filter_sub || filter_cache) {
SV * const datasv = filter_add(S_run_user_filter, NULL);
IoLINES(datasv) = filter_has_file;
- IoTOP_GV(datasv) = (GV *)filter_state;
- IoBOTTOM_GV(datasv) = (GV *)filter_sub;
- IoFMT_GV(datasv) = (GV *)filter_cache;
+ IoTOP_GV(datasv) = MUTABLE_GV(filter_state);
+ IoBOTTOM_GV(datasv) = MUTABLE_GV(filter_sub);
+ IoFMT_GV(datasv) = MUTABLE_GV(filter_cache);
}
/* switch to eval mode */
PUSHBLOCK(cx, CXt_EVAL, SP);
- PUSHEVAL(cx, name, NULL);
+ PUSHEVAL(cx, name);
cx->blk_eval.retop = PL_op->op_next;
SAVECOPLINE(&PL_compiling);
return op;
}
+/* This is a op added to hold the hints hash for
+ pp_entereval. The hash can be modified by the code
+ being eval'ed, so we return a copy instead. */
+
+PP(pp_hintseval)
+{
+ dVAR;
+ dSP;
+ mXPUSHs(MUTABLE_SV(Perl_hv_copy_hints_hv(aTHX_ MUTABLE_HV(cSVOP_sv))));
+ RETURN;
+}
+
+
PP(pp_entereval)
{
dVAR; dSP;
register PERL_CONTEXT *cx;
SV *sv;
const I32 gimme = GIMME_V;
- const I32 was = PL_sub_generation;
+ const U32 was = PL_breakable_sub_gen;
char tbuf[TYPE_DIGITS(long) + 12];
char *tmpbuf = tbuf;
- char *safestr;
STRLEN len;
- bool ok;
CV* runcv;
U32 seq;
HV *saved_hh = NULL;
- const char * const fakestr = "_<(eval )";
- const int fakelen = 9 + 1;
-
+
if (PL_op->op_private & OPpEVAL_HAS_HH) {
- saved_hh = (HV*) SvREFCNT_inc(POPs);
+ saved_hh = MUTABLE_HV(SvREFCNT_inc(POPs));
}
sv = POPs;
(i.e. before run-time proper). To work around the coredump that
ensues, we always turn GvMULTI_on for any globals that were
introduced within evals. See force_ident(). GSAR 96-10-12 */
- safestr = savepvn(tmpbuf, len);
- SAVEDELETE(PL_defstash, safestr, len);
SAVEHINTS();
PL_hints = PL_op->op_targ;
- if (saved_hh)
+ if (saved_hh) {
+ /* SAVEHINTS created a new HV in PL_hintgv, which we need to GC */
+ SvREFCNT_dec(GvHV(PL_hintgv));
GvHV(PL_hintgv) = saved_hh;
+ }
SAVECOMPILEWARNINGS();
PL_compiling.cop_warnings = DUP_WARNINGS(PL_curcop->cop_warnings);
if (PL_compiling.cop_hints_hash) {
runcv = find_runcv(&seq);
PUSHBLOCK(cx, (CXt_EVAL|CXp_REAL), SP);
- PUSHEVAL(cx, 0, NULL);
+ PUSHEVAL(cx, 0);
cx->blk_eval.retop = PL_op->op_next;
/* prepare to compile string */
- if (PERLDB_LINE && PL_curstash != PL_debstash)
+ if ((PERLDB_LINE || PERLDB_SAVESRC) && PL_curstash != PL_debstash)
save_lines(CopFILEAV(&PL_compiling), PL_parser->linestr);
PUTBACK;
- ok = doeval(gimme, NULL, runcv, seq);
- if (PERLDB_INTER && was != (I32)PL_sub_generation /* Some subs defined here. */
- && ok) {
- /* Copy in anything fake and short. */
- my_strlcpy(safestr, fakestr, fakelen);
+
+ if (doeval(gimme, NULL, runcv, seq)) {
+ if (was != PL_breakable_sub_gen /* Some subs defined here. */
+ ? (PERLDB_LINE || PERLDB_SAVESRC)
+ : PERLDB_SAVESRC_NOSUBS) {
+ /* Retain the filegv we created. */
+ } else {
+ char *const safestr = savepvn(tmpbuf, len);
+ SAVEDELETE(PL_defstash, safestr, len);
+ }
+ return DOCATCH(PL_eval_start);
+ } else {
+ /* We have already left the scope set up earler thanks to the LEAVE
+ in doeval(). */
+ if (was != PL_breakable_sub_gen /* Some subs defined here. */
+ ? (PERLDB_LINE || PERLDB_SAVESRC)
+ : PERLDB_SAVESRC_INVALID) {
+ /* Retain the filegv we created. */
+ } else {
+ (void)hv_delete(PL_defstash, tmpbuf, len, G_DISCARD);
+ }
+ return PL_op->op_next;
}
- return ok ? DOCATCH(PL_eval_start) : PL_op->op_next;
}
PP(pp_leaveeval)
}
else {
LEAVE;
- if (!(save_flags & OPf_SPECIAL))
- sv_setpvn(ERRSV,"",0);
+ if (!(save_flags & OPf_SPECIAL)) {
+ CLEAR_ERRSV();
+ }
}
RETURNOP(retop);
SAVETMPS;
PUSHBLOCK(cx, (CXt_EVAL|CXp_TRYBLOCK), PL_stack_sp);
- PUSHEVAL(cx, 0, 0);
+ PUSHEVAL(cx, 0);
PL_in_eval = EVAL_INEVAL;
if (flags & G_KEEPERR)
PL_in_eval |= EVAL_KEEPERR;
else
- sv_setpvn(ERRSV,"",0);
+ CLEAR_ERRSV();
if (flags & G_FAKINGEVAL) {
PL_eval_root = PL_op; /* Only needed so that goto works right. */
}
PL_curpm = newpm; /* Don't pop $1 et al till now */
LEAVE;
- sv_setpvn(ERRSV,"",0);
+ CLEAR_ERRSV();
RETURN;
}
{
dVAR;
PMOP *matcher = (PMOP *) newPMOP(OP_MATCH, OPf_WANT_SCALAR | OPf_STACKED);
+
+ PERL_ARGS_ASSERT_MAKE_MATCHER;
+
PM_SETRE(matcher, ReREFCNT_inc(re));
-
+
SAVEFREEOP((OP *) matcher);
ENTER; SAVETMPS;
SAVEOP();
{
dVAR;
dSP;
+
+ PERL_ARGS_ASSERT_MATCHER_MATCHES_SV;
PL_op = (OP *) matcher;
XPUSHs(sv);
S_destroy_matcher(pTHX_ PMOP *matcher)
{
dVAR;
+
+ PERL_ARGS_ASSERT_DESTROY_MATCHER;
PERL_UNUSED_ARG(matcher);
+
FREETMPS;
LEAVE;
}
dVAR;
dSP;
+ bool object_on_left = FALSE;
SV *e = TOPs; /* e is for 'expression' */
SV *d = TOPm1s; /* d is for 'default', as in PL_defgv */
- SV *This, *Other; /* 'This' (and Other to match) to play with C++ */
- REGEXP *this_regex, *other_regex;
-
-# define NOT_EMPTY_PROTO(cv) (!SvPOK(cv) || SvCUR(cv) == 0)
-
-# define SM_REF(type) ( \
- (SvROK(d) && (SvTYPE(This = SvRV(d)) == SVt_##type) && (Other = e)) \
- || (SvROK(e) && (SvTYPE(This = SvRV(e)) == SVt_##type) && (Other = d)))
-
-# define SM_CV_NEP /* Find a code ref without an empty prototype */ \
- ((SvROK(d) && (SvTYPE(This = SvRV(d)) == SVt_PVCV) \
- && NOT_EMPTY_PROTO(This) && (Other = e)) \
- || (SvROK(e) && (SvTYPE(This = SvRV(e)) == SVt_PVCV) \
- && NOT_EMPTY_PROTO(This) && (Other = d)))
-
-# define SM_REGEX ( \
- (SvROK(d) && (SvTYPE(This = SvRV(d)) == SVt_REGEXP) \
- && (this_regex = This) \
- && (Other = e)) \
- || \
- (SvROK(e) && (SvTYPE(This = SvRV(e)) == SVt_REGEXP) \
- && (this_regex = This) \
- && (Other = d)) )
-
-
-# define SM_OTHER_REF(type) \
- (SvROK(Other) && SvTYPE(SvRV(Other)) == SVt_##type)
-# define SM_OTHER_REGEX (SvROK(Other) \
- && (SvTYPE(SvRV(Other)) == SVt_REGEXP) \
- && (other_regex = SvRV(Other)))
-
-
-# define SM_SEEN_THIS(sv) hv_exists_ent(seen_this, \
- sv_2mortal(newSViv(PTR2IV(sv))), 0)
-
-# define SM_SEEN_OTHER(sv) hv_exists_ent(seen_other, \
- sv_2mortal(newSViv(PTR2IV(sv))), 0)
+ /* First of all, handle overload magic of the rightmost argument */
+ if (SvAMAGIC(e)) {
+ SV * const tmpsv = amagic_call(d, e, smart_amg, 0);
+ if (tmpsv) {
+ SPAGAIN;
+ (void)POPs;
+ SETs(tmpsv);
+ RETURN;
+ }
+ }
- tryAMAGICbinSET(smart, 0);
-
SP -= 2; /* Pop the values */
/* Take care only to invoke mg_get() once for each argument.
if (SvGMAGICAL(e))
e = sv_mortalcopy(e);
- if (SM_CV_NEP) {
+ /* ~~ undef */
+ if (!SvOK(e)) {
+ if (SvOK(d))
+ RETPUSHNO;
+ else
+ RETPUSHYES;
+ }
+
+ if (sv_isobject(e) && (SvTYPE(SvRV(e)) != SVt_REGEXP))
+ Perl_croak(aTHX_ "Smart matching a non-overloaded object breaks encapsulation");
+ if (sv_isobject(d) && (SvTYPE(SvRV(d)) != SVt_REGEXP))
+ object_on_left = TRUE;
+
+ /* ~~ sub */
+ if (SvROK(e) && SvTYPE(SvRV(e)) == SVt_PVCV) {
I32 c;
-
- if ( SM_OTHER_REF(PVCV) && NOT_EMPTY_PROTO(SvRV(Other)) )
- {
- if (This == SvRV(Other))
+ if (object_on_left) {
+ goto sm_any_sub; /* Treat objects like scalars */
+ }
+ else if (SvROK(d) && SvTYPE(SvRV(d)) == SVt_PVHV) {
+ /* Test sub truth for each key */
+ HE *he;
+ bool andedresults = TRUE;
+ HV *hv = (HV*) SvRV(d);
+ I32 numkeys = hv_iterinit(hv);
+ if (numkeys == 0)
+ RETPUSHYES;
+ while ( (he = hv_iternext(hv)) ) {
+ ENTER;
+ SAVETMPS;
+ PUSHMARK(SP);
+ PUSHs(hv_iterkeysv(he));
+ PUTBACK;
+ c = call_sv(e, G_SCALAR);
+ SPAGAIN;
+ if (c == 0)
+ andedresults = FALSE;
+ else
+ andedresults = SvTRUEx(POPs) && andedresults;
+ FREETMPS;
+ LEAVE;
+ }
+ if (andedresults)
RETPUSHYES;
else
RETPUSHNO;
}
-
- ENTER;
- SAVETMPS;
- PUSHMARK(SP);
- PUSHs(Other);
- PUTBACK;
- c = call_sv(This, G_SCALAR);
- SPAGAIN;
- if (c == 0)
- PUSHs(&PL_sv_no);
- else if (SvTEMP(TOPs))
- SvREFCNT_inc_void(TOPs);
- FREETMPS;
- LEAVE;
- RETURN;
+ else if (SvROK(d) && SvTYPE(SvRV(d)) == SVt_PVAV) {
+ /* Test sub truth for each element */
+ I32 i;
+ bool andedresults = TRUE;
+ AV *av = (AV*) SvRV(d);
+ const I32 len = av_len(av);
+ if (len == -1)
+ RETPUSHYES;
+ for (i = 0; i <= len; ++i) {
+ SV * const * const svp = av_fetch(av, i, FALSE);
+ ENTER;
+ SAVETMPS;
+ PUSHMARK(SP);
+ if (svp)
+ PUSHs(*svp);
+ PUTBACK;
+ c = call_sv(e, G_SCALAR);
+ SPAGAIN;
+ if (c == 0)
+ andedresults = FALSE;
+ else
+ andedresults = SvTRUEx(POPs) && andedresults;
+ FREETMPS;
+ LEAVE;
+ }
+ if (andedresults)
+ RETPUSHYES;
+ else
+ RETPUSHNO;
+ }
+ else {
+ sm_any_sub:
+ ENTER;
+ SAVETMPS;
+ PUSHMARK(SP);
+ PUSHs(d);
+ PUTBACK;
+ c = call_sv(e, G_SCALAR);
+ SPAGAIN;
+ if (c == 0)
+ PUSHs(&PL_sv_no);
+ else if (SvTEMP(TOPs))
+ SvREFCNT_inc_void(TOPs);
+ FREETMPS;
+ LEAVE;
+ RETURN;
+ }
}
- else if (SM_REF(PVHV)) {
- if (SM_OTHER_REF(PVHV)) {
+ /* ~~ %hash */
+ else if (SvROK(e) && SvTYPE(SvRV(e)) == SVt_PVHV) {
+ if (object_on_left) {
+ goto sm_any_hash; /* Treat objects like scalars */
+ }
+ else if (!SvOK(d)) {
+ RETPUSHNO;
+ }
+ else if (SvROK(d) && SvTYPE(SvRV(d)) == SVt_PVHV) {
/* Check that the key-sets are identical */
HE *he;
- HV *other_hv = (HV *) SvRV(Other);
+ HV *other_hv = MUTABLE_HV(SvRV(d));
bool tied = FALSE;
bool other_tied = FALSE;
U32 this_key_count = 0,
other_key_count = 0;
+ HV *hv = MUTABLE_HV(SvRV(e));
/* Tied hashes don't know how many keys they have. */
- if (SvTIED_mg(This, PERL_MAGIC_tied)) {
+ if (SvTIED_mg((SV*)hv, PERL_MAGIC_tied)) {
tied = TRUE;
}
- else if (SvTIED_mg((SV *) other_hv, PERL_MAGIC_tied)) {
+ else if (SvTIED_mg((const SV *)other_hv, PERL_MAGIC_tied)) {
HV * const temp = other_hv;
- other_hv = (HV *) This;
- This = (SV *) temp;
+ other_hv = hv;
+ hv = temp;
tied = TRUE;
}
- if (SvTIED_mg((SV *) other_hv, PERL_MAGIC_tied))
+ if (SvTIED_mg((const SV *)other_hv, PERL_MAGIC_tied))
other_tied = TRUE;
- if (!tied && HvUSEDKEYS((HV *) This) != HvUSEDKEYS(other_hv))
+ if (!tied && HvUSEDKEYS((const HV *) hv) != HvUSEDKEYS(other_hv))
RETPUSHNO;
/* The hashes have the same number of keys, so it suffices
to check that one is a subset of the other. */
- (void) hv_iterinit((HV *) This);
- while ( (he = hv_iternext((HV *) This)) ) {
- I32 key_len;
- char * const key = hv_iterkey(he, &key_len);
+ (void) hv_iterinit(hv);
+ while ( (he = hv_iternext(hv)) ) {
+ SV *key = hv_iterkeysv(he);
++ this_key_count;
- if(!hv_exists(other_hv, key, key_len)) {
- (void) hv_iterinit((HV *) This); /* reset iterator */
+ if(!hv_exists_ent(other_hv, key, 0)) {
+ (void) hv_iterinit(hv); /* reset iterator */
RETPUSHNO;
}
}
else
RETPUSHYES;
}
- else if (SM_OTHER_REF(PVAV)) {
- AV * const other_av = (AV *) SvRV(Other);
+ else if (SvROK(d) && SvTYPE(SvRV(d)) == SVt_PVAV) {
+ AV * const other_av = MUTABLE_AV(SvRV(d));
const I32 other_len = av_len(other_av) + 1;
I32 i;
+ HV *hv = MUTABLE_HV(SvRV(e));
for (i = 0; i < other_len; ++i) {
SV ** const svp = av_fetch(other_av, i, FALSE);
- char *key;
- STRLEN key_len;
-
if (svp) { /* ??? When can this not happen? */
- key = SvPV(*svp, key_len);
- if (hv_exists((HV *) This, key, key_len))
+ if (hv_exists_ent(hv, *svp, 0))
RETPUSHYES;
}
}
RETPUSHNO;
}
- else if (SM_OTHER_REGEX) {
- PMOP * const matcher = make_matcher(other_regex);
- HE *he;
-
- (void) hv_iterinit((HV *) This);
- while ( (he = hv_iternext((HV *) This)) ) {
- if (matcher_matches_sv(matcher, hv_iterkeysv(he))) {
- (void) hv_iterinit((HV *) This);
- destroy_matcher(matcher);
- RETPUSHYES;
+ else if (SvROK(d) && SvTYPE(SvRV(d)) == SVt_REGEXP) {
+ sm_regex_hash:
+ {
+ PMOP * const matcher = make_matcher((REGEXP*) SvRV(d));
+ HE *he;
+ HV *hv = MUTABLE_HV(SvRV(e));
+
+ (void) hv_iterinit(hv);
+ while ( (he = hv_iternext(hv)) ) {
+ if (matcher_matches_sv(matcher, hv_iterkeysv(he))) {
+ (void) hv_iterinit(hv);
+ destroy_matcher(matcher);
+ RETPUSHYES;
+ }
}
+ destroy_matcher(matcher);
+ RETPUSHNO;
}
- destroy_matcher(matcher);
- RETPUSHNO;
}
else {
- if (hv_exists_ent((HV *) This, Other, 0))
+ sm_any_hash:
+ if (hv_exists_ent(MUTABLE_HV(SvRV(e)), d, 0))
RETPUSHYES;
else
RETPUSHNO;
}
}
- else if (SM_REF(PVAV)) {
- if (SM_OTHER_REF(PVAV)) {
- AV *other_av = (AV *) SvRV(Other);
- if (av_len((AV *) This) != av_len(other_av))
+ /* ~~ @array */
+ else if (SvROK(e) && SvTYPE(SvRV(e)) == SVt_PVAV) {
+ if (object_on_left) {
+ goto sm_any_array; /* Treat objects like scalars */
+ }
+ else if (SvROK(d) && SvTYPE(SvRV(d)) == SVt_PVHV) {
+ AV * const other_av = MUTABLE_AV(SvRV(e));
+ const I32 other_len = av_len(other_av) + 1;
+ I32 i;
+
+ for (i = 0; i < other_len; ++i) {
+ SV ** const svp = av_fetch(other_av, i, FALSE);
+ if (svp) { /* ??? When can this not happen? */
+ if (hv_exists_ent(MUTABLE_HV(SvRV(d)), *svp, 0))
+ RETPUSHYES;
+ }
+ }
+ RETPUSHNO;
+ }
+ if (SvROK(d) && SvTYPE(SvRV(d)) == SVt_PVAV) {
+ AV *other_av = MUTABLE_AV(SvRV(d));
+ if (av_len(MUTABLE_AV(SvRV(e))) != av_len(other_av))
RETPUSHNO;
else {
I32 i;
if (NULL == seen_this) {
seen_this = newHV();
- (void) sv_2mortal((SV *) seen_this);
+ (void) sv_2mortal(MUTABLE_SV(seen_this));
}
if (NULL == seen_other) {
seen_this = newHV();
- (void) sv_2mortal((SV *) seen_other);
+ (void) sv_2mortal(MUTABLE_SV(seen_other));
}
for(i = 0; i <= other_len; ++i) {
- SV * const * const this_elem = av_fetch((AV *)This, i, FALSE);
+ SV * const * const this_elem = av_fetch(MUTABLE_AV(SvRV(e)), i, FALSE);
SV * const * const other_elem = av_fetch(other_av, i, FALSE);
if (!this_elem || !other_elem) {
if (this_elem || other_elem)
RETPUSHNO;
}
- else if (SM_SEEN_THIS(*this_elem)
- || SM_SEEN_OTHER(*other_elem))
+ else if (hv_exists_ent(seen_this,
+ sv_2mortal(newSViv(PTR2IV(*this_elem))), 0) ||
+ hv_exists_ent(seen_other,
+ sv_2mortal(newSViv(PTR2IV(*other_elem))), 0))
{
if (*this_elem != *other_elem)
RETPUSHNO;
(void)hv_store_ent(seen_other,
sv_2mortal(newSViv(PTR2IV(*other_elem))),
&PL_sv_undef, 0);
- PUSHs(*this_elem);
PUSHs(*other_elem);
+ PUSHs(*this_elem);
PUTBACK;
(void) do_smartmatch(seen_this, seen_other);
RETPUSHYES;
}
}
- else if (SM_OTHER_REGEX) {
- PMOP * const matcher = make_matcher(other_regex);
- const I32 this_len = av_len((AV *) This);
- I32 i;
-
- for(i = 0; i <= this_len; ++i) {
- SV * const * const svp = av_fetch((AV *)This, i, FALSE);
- if (svp && matcher_matches_sv(matcher, *svp)) {
- destroy_matcher(matcher);
- RETPUSHYES;
+ else if (SvROK(d) && SvTYPE(SvRV(d)) == SVt_REGEXP) {
+ sm_regex_array:
+ {
+ PMOP * const matcher = make_matcher((REGEXP*) SvRV(d));
+ const I32 this_len = av_len(MUTABLE_AV(SvRV(e)));
+ I32 i;
+
+ for(i = 0; i <= this_len; ++i) {
+ SV * const * const svp = av_fetch(MUTABLE_AV(SvRV(e)), i, FALSE);
+ if (svp && matcher_matches_sv(matcher, *svp)) {
+ destroy_matcher(matcher);
+ RETPUSHYES;
+ }
}
+ destroy_matcher(matcher);
+ RETPUSHNO;
}
- destroy_matcher(matcher);
- RETPUSHNO;
}
- else if (SvIOK(Other) || SvNOK(Other)) {
+ else if (!SvOK(d)) {
+ /* undef ~~ array */
+ const I32 this_len = av_len(MUTABLE_AV(SvRV(e)));
I32 i;
- for(i = 0; i <= AvFILL((AV *) This); ++i) {
- SV * const * const svp = av_fetch((AV *)This, i, FALSE);
- if (!svp)
- continue;
-
- PUSHs(Other);
- PUSHs(*svp);
- PUTBACK;
- if (CopHINTS_get(PL_curcop) & HINT_INTEGER)
- (void) pp_i_eq();
- else
- (void) pp_eq();
- SPAGAIN;
- if (SvTRUEx(POPs))
+ for (i = 0; i <= this_len; ++i) {
+ SV * const * const svp = av_fetch(MUTABLE_AV(SvRV(e)), i, FALSE);
+ if (!svp || !SvOK(*svp))
RETPUSHYES;
}
RETPUSHNO;
}
- else if (SvPOK(Other)) {
- const I32 this_len = av_len((AV *) This);
- I32 i;
+ else {
+ sm_any_array:
+ {
+ I32 i;
+ const I32 this_len = av_len(MUTABLE_AV(SvRV(e)));
- for(i = 0; i <= this_len; ++i) {
- SV * const * const svp = av_fetch((AV *)This, i, FALSE);
- if (!svp)
- continue;
-
- PUSHs(Other);
- PUSHs(*svp);
- PUTBACK;
- (void) pp_seq();
- SPAGAIN;
- if (SvTRUEx(POPs))
- RETPUSHYES;
+ for (i = 0; i <= this_len; ++i) {
+ SV * const * const svp = av_fetch(MUTABLE_AV(SvRV(e)), i, FALSE);
+ if (!svp)
+ continue;
+
+ PUSHs(d);
+ PUSHs(*svp);
+ PUTBACK;
+ /* infinite recursion isn't supposed to happen here */
+ (void) do_smartmatch(NULL, NULL);
+ SPAGAIN;
+ if (SvTRUEx(POPs))
+ RETPUSHYES;
+ }
+ RETPUSHNO;
}
- RETPUSHNO;
}
}
- else if (!SvOK(d) || !SvOK(e)) {
- if (!SvOK(d) && !SvOK(e))
- RETPUSHYES;
- else
- RETPUSHNO;
- }
- else if (SM_REGEX) {
- PMOP * const matcher = make_matcher(this_regex);
+ /* ~~ qr// */
+ else if (SvROK(e) && SvTYPE(SvRV(e)) == SVt_REGEXP) {
+ if (!object_on_left && SvROK(d) && SvTYPE(SvRV(d)) == SVt_PVHV) {
+ SV *t = d; d = e; e = t;
+ goto sm_regex_hash;
+ }
+ else if (!object_on_left && SvROK(d) && SvTYPE(SvRV(d)) == SVt_PVAV) {
+ SV *t = d; d = e; e = t;
+ goto sm_regex_array;
+ }
+ else {
+ PMOP * const matcher = make_matcher((REGEXP*) SvRV(e));
- PUTBACK;
- PUSHs(matcher_matches_sv(matcher, Other)
- ? &PL_sv_yes
- : &PL_sv_no);
- destroy_matcher(matcher);
- RETURN;
+ PUTBACK;
+ PUSHs(matcher_matches_sv(matcher, d)
+ ? &PL_sv_yes
+ : &PL_sv_no);
+ destroy_matcher(matcher);
+ RETURN;
+ }
}
- else if (SM_REF(PVCV)) {
- I32 c;
- /* This must be a null-prototyped sub, because we
- already checked for the other kind. */
-
- ENTER;
- SAVETMPS;
- PUSHMARK(SP);
+ /* ~~ scalar */
+ /* See if there is overload magic on left */
+ else if (object_on_left && SvAMAGIC(d)) {
+ SV *tmpsv;
+ PUSHs(d); PUSHs(e);
PUTBACK;
- c = call_sv(This, G_SCALAR);
- SPAGAIN;
- if (c == 0)
- PUSHs(&PL_sv_undef);
- else if (SvTEMP(TOPs))
- SvREFCNT_inc_void(TOPs);
-
- if (SM_OTHER_REF(PVCV)) {
- /* This one has to be null-proto'd too.
- Call both of 'em, and compare the results */
- PUSHMARK(SP);
- c = call_sv(SvRV(Other), G_SCALAR);
+ tmpsv = amagic_call(d, e, smart_amg, AMGf_noright);
+ if (tmpsv) {
SPAGAIN;
- if (c == 0)
- PUSHs(&PL_sv_undef);
- else if (SvTEMP(TOPs))
- SvREFCNT_inc_void(TOPs);
- FREETMPS;
- LEAVE;
- PUTBACK;
- return pp_eq();
+ (void)POPs;
+ SETs(tmpsv);
+ RETURN;
}
-
- FREETMPS;
- LEAVE;
- RETURN;
+ SP -= 2;
+ goto sm_any_scalar;
}
- else if ( ((SvIOK(d) || SvNOK(d)) && (This = d) && (Other = e))
- || ((SvIOK(e) || SvNOK(e)) && (This = e) && (Other = d)) )
- {
- if (SvPOK(Other) && !looks_like_number(Other)) {
- /* String comparison */
- PUSHs(d); PUSHs(e);
- PUTBACK;
- return pp_seq();
- }
- /* Otherwise, numeric comparison */
+ else
+ sm_any_scalar:
+ if (SvNIOK(e) || (SvPOK(e) && looks_like_number(e) && SvNIOK(d))) {
+ /* numeric comparison */
PUSHs(d); PUSHs(e);
PUTBACK;
if (CopHINTS_get(PL_curcop) & HINT_INTEGER)
bool unchopnum = FALSE;
int maxops = 12; /* FF_LINEMARK + FF_END + 10 (\0 without preceding \n) */
+ PERL_ARGS_ASSERT_DOPARSEFORM;
+
if (len == 0)
Perl_croak(aTHX_ "Null picture in formline");
dVAR;
SV * const datasv = FILTER_DATA(idx);
const int filter_has_file = IoLINES(datasv);
- SV * const filter_state = (SV *)IoTOP_GV(datasv);
- SV * const filter_sub = (SV *)IoBOTTOM_GV(datasv);
+ SV * const filter_state = MUTABLE_SV(IoTOP_GV(datasv));
+ SV * const filter_sub = MUTABLE_SV(IoBOTTOM_GV(datasv));
int status = 0;
SV *upstream;
STRLEN got_len;
bool read_from_cache = FALSE;
STRLEN umaxlen;
+ PERL_ARGS_ASSERT_RUN_USER_FILTER;
+
assert(maxlen >= 0);
umaxlen = maxlen;
not sure where the trouble is yet. XXX */
if (IoFMT_GV(datasv)) {
- SV *const cache = (SV *)IoFMT_GV(datasv);
+ SV *const cache = MUTABLE_SV(IoFMT_GV(datasv));
if (SvOK(cache)) {
STRLEN cache_len;
const char *cache_p = SvPV(cache, cache_len);
SAVETMPS;
EXTEND(SP, 2);
- DEFSV = upstream;
+ DEFSV_set(upstream);
PUSHMARK(SP);
mPUSHi(0);
if (filter_state) {
if (prune_from) {
/* Oh. Too long. Stuff some in our cache. */
STRLEN cached_len = got_p + got_len - prune_from;
- SV *cache = (SV *)IoFMT_GV(datasv);
+ SV *cache = MUTABLE_SV(IoFMT_GV(datasv));
if (!cache) {
- IoFMT_GV(datasv) = (GV*) (cache = newSV(got_len - umaxlen));
+ IoFMT_GV(datasv) = MUTABLE_GV((cache = newSV(got_len - umaxlen)));
} else if (SvOK(cache)) {
/* Cache should be empty. */
assert(!SvCUR(cache));
static bool
S_path_is_absolute(const char *name)
{
+ PERL_ARGS_ASSERT_PATH_IS_ABSOLUTE;
+
if (PERL_FILE_IS_ABSOLUTE(name)
-#ifdef MACOS_TRADITIONAL
- || (*name == ':')
+#ifdef WIN32
+ || (*name == '.' && ((name[1] == '/' ||
+ (name[1] == '.' && name[2] == '/'))
+ || (name[1] == '\\' ||
+ ( name[1] == '.' && name[2] == '\\')))
+ )
#else
|| (*name == '.' && (name[1] == '/' ||
(name[1] == '.' && name[2] == '/')))