/* mg.c
*
* Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- * 2000, 2001, 2002, 2003, 2004, 2005, 2006, by Larry Wall and others
+ * 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 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.
dVAR;
MGS* mgs;
assert(SvMAGICAL(sv));
-#ifdef PERL_OLD_COPY_ON_WRITE
- /* Turning READONLY off for a copy-on-write scalar is a bad idea. */
+ /* Turning READONLY off for a copy-on-write scalar (including shared
+ hash keys) is a bad idea. */
if (SvIsCOW(sv))
sv_force_normal_flags(sv, 0);
-#endif
SAVEDESTRUCTOR_X(S_restore_magic, INT2PTR(void*, (IV)mgs_ix));
SvMAGICAL_off(sv);
SvREADONLY_off(sv);
- SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_NOK|SVp_POK)) >> PRIVSHIFT;
+ if (!(SvFLAGS(sv) & (SVf_IOK|SVf_NOK|SVf_POK))) {
+ /* No public flags are set, so promote any private flags to public. */
+ SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT;
+ }
}
/*
Perl_mg_magical(pTHX_ SV *sv)
{
const MAGIC* mg;
+ PERL_UNUSED_CONTEXT;
for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) {
const MGVTBL* const vtbl = mg->mg_virtual;
if (vtbl) {
}
}
+
+/* is this container magic (%ENV, $1 etc), or value magic (pos, taint etc)? */
+
+STATIC bool
+S_is_container_magic(const MAGIC *mg)
+{
+ switch (mg->mg_type) {
+ case PERL_MAGIC_bm:
+ case PERL_MAGIC_fm:
+ case PERL_MAGIC_regex_global:
+ case PERL_MAGIC_nkeys:
+#ifdef USE_LOCALE_COLLATE
+ case PERL_MAGIC_collxfrm:
+#endif
+ case PERL_MAGIC_qr:
+ case PERL_MAGIC_taint:
+ case PERL_MAGIC_vec:
+ case PERL_MAGIC_vstring:
+ case PERL_MAGIC_utf8:
+ case PERL_MAGIC_substr:
+ case PERL_MAGIC_defelem:
+ case PERL_MAGIC_arylen:
+ case PERL_MAGIC_pos:
+ case PERL_MAGIC_backref:
+ case PERL_MAGIC_arylen_p:
+ case PERL_MAGIC_rhash:
+ case PERL_MAGIC_symtab:
+ return 0;
+ default:
+ return 1;
+ }
+}
+
/*
=for apidoc mg_get
cause the SV's buffer to get stolen (and maybe other stuff).
So restore it.
*/
- sv_2mortal(SvREFCNT_inc(sv));
+ sv_2mortal(SvREFCNT_inc_simple_NN(sv));
if (!was_temp) {
SvTEMP_off(sv);
}
mg->mg_flags &= ~MGf_GSKIP; /* setting requires another read */
(SSPTR(mgs_ix, MGS*))->mgs_flags = 0;
}
+ if (PL_localizing == 2 && !S_is_container_magic(mg))
+ continue;
if (vtbl && vtbl->svt_set)
CALL_FPTR(vtbl->svt_set)(aTHX_ sv, mg);
}
if (DO_UTF8(sv)) {
const U8 *s = (U8*)SvPV_const(sv, len);
- len = Perl_utf8_length(aTHX_ s, s + len);
+ len = utf8_length(s, s + len);
}
else
(void)SvPV_const(sv, len);
MAGIC*
Perl_mg_find(pTHX_ const SV *sv, int type)
{
+ PERL_UNUSED_CONTEXT;
if (sv) {
MAGIC *mg;
for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) {
return mg;
}
}
- return 0;
+ return NULL;
}
/*
}
else {
const char type = mg->mg_type;
- if (isUPPER(type)) {
+ if (isUPPER(type) && type != PERL_MAGIC_uvar) {
sv_magic(nsv,
(type == PERL_MAGIC_tied)
? SvTIED_obj(sv, mg)
MAGIC *mg;
for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) {
const MGVTBL* const vtbl = mg->mg_virtual;
- switch (mg->mg_type) {
- /* value magic types: don't copy */
- case PERL_MAGIC_bm:
- case PERL_MAGIC_fm:
- case PERL_MAGIC_regex_global:
- case PERL_MAGIC_nkeys:
-#ifdef USE_LOCALE_COLLATE
- case PERL_MAGIC_collxfrm:
-#endif
- case PERL_MAGIC_qr:
- case PERL_MAGIC_taint:
- case PERL_MAGIC_vec:
- case PERL_MAGIC_vstring:
- case PERL_MAGIC_utf8:
- case PERL_MAGIC_substr:
- case PERL_MAGIC_defelem:
- case PERL_MAGIC_arylen:
- case PERL_MAGIC_pos:
- case PERL_MAGIC_backref:
- case PERL_MAGIC_arylen_p:
- case PERL_MAGIC_rhash:
- case PERL_MAGIC_symtab:
+ if (!S_is_container_magic(mg))
continue;
- }
if ((mg->mg_flags & MGf_LOCAL) && vtbl->svt_local)
(void)CALL_FPTR(vtbl->svt_local)(aTHX_ nsv, mg);
if (PL_curpm) {
register const REGEXP * const rx = PM_GETRE(PL_curpm);
if (rx) {
- return mg->mg_obj
- ? rx->nparens /* @+ */
- : rx->lastparen; /* @- */
+ if (mg->mg_obj) { /* @+ */
+ /* return the number possible */
+ return rx->nparens;
+ } else { /* @- */
+ I32 paren = rx->lastparen;
+
+ /* return the last filled */
+ while ( paren >= 0
+ && (rx->offs[paren].start == -1
+ || rx->offs[paren].end == -1) )
+ paren--;
+ return (U32)paren;
+ }
}
}
if (paren < 0)
return 0;
if (paren <= (I32)rx->nparens &&
- (s = rx->startp[paren]) != -1 &&
- (t = rx->endp[paren]) != -1)
+ (s = rx->offs[paren].start) != -1 &&
+ (t = rx->offs[paren].end) != -1)
{
register I32 i;
if (mg->mg_obj) /* @+ */
if (i > 0 && RX_MATCH_UTF8(rx)) {
const char * const b = rx->subbeg;
if (b)
- i = Perl_utf8_length(aTHX_ (U8*)b, (U8*)(b+i));
+ i = utf8_length((U8*)b, (U8*)(b+i));
}
sv_setiv(sv, i);
int
Perl_magic_regdatum_set(pTHX_ SV *sv, MAGIC *mg)
{
- PERL_UNUSED_ARG(sv); PERL_UNUSED_ARG(mg);
+ PERL_UNUSED_ARG(sv);
+ PERL_UNUSED_ARG(mg);
Perl_croak(aTHX_ PL_no_modify);
NORETURN_FUNCTION_END;
}
dVAR;
register I32 paren;
register I32 i;
- register const REGEXP *rx;
- I32 s1, t1;
+ register const REGEXP * rx;
+ const char * const remaining = mg->mg_ptr + 1;
switch (*mg->mg_ptr) {
+ case '\020':
+ if (*remaining == '\0') { /* ^P */
+ break;
+ } else if (strEQ(remaining, "REMATCH")) { /* $^PREMATCH */
+ goto do_prematch;
+ } else if (strEQ(remaining, "OSTMATCH")) { /* $^POSTMATCH */
+ goto do_postmatch;
+ }
+ break;
+ case '\015': /* $^MATCH */
+ if (strEQ(remaining, "ATCH")) {
+ goto do_match;
+ } else {
+ break;
+ }
+ case '`':
+ do_prematch:
+ paren = -2;
+ goto maybegetparen;
+ case '\'':
+ do_postmatch:
+ paren = -1;
+ goto maybegetparen;
+ case '&':
+ do_match:
+ paren = 0;
+ goto maybegetparen;
case '1': case '2': case '3': case '4':
- case '5': case '6': case '7': case '8': case '9': case '&':
+ case '5': case '6': case '7': case '8': case '9':
+ paren = atoi(mg->mg_ptr);
+ maybegetparen:
if (PL_curpm && (rx = PM_GETRE(PL_curpm))) {
+ getparen:
+ i = CALLREG_NUMBUF_LENGTH((REGEXP * const)rx, sv, paren);
- paren = atoi(mg->mg_ptr); /* $& is in [0] */
- getparen:
- if (paren <= (I32)rx->nparens &&
- (s1 = rx->startp[paren]) != -1 &&
- (t1 = rx->endp[paren]) != -1)
- {
- i = t1 - s1;
- getlen:
- if (i > 0 && RX_MATCH_UTF8(rx)) {
- const char * const s = rx->subbeg + s1;
- const U8 *ep;
- STRLEN el;
-
- i = t1 - s1;
- if (is_utf8_string_loclen((U8*)s, i, &ep, &el))
- i = el;
- }
if (i < 0)
Perl_croak(aTHX_ "panic: magic_len: %"IVdf, (IV)i);
return i;
- }
- else {
+ } else {
if (ckWARN(WARN_UNINITIALIZED))
report_uninit(sv);
- }
- }
- else {
- if (ckWARN(WARN_UNINITIALIZED))
- report_uninit(sv);
+ return 0;
}
- return 0;
case '+':
if (PL_curpm && (rx = PM_GETRE(PL_curpm))) {
paren = rx->lastparen;
goto getparen;
}
return 0;
- case '`':
- if (PL_curpm && (rx = PM_GETRE(PL_curpm))) {
- if (rx->startp[0] != -1) {
- i = rx->startp[0];
- if (i > 0) {
- s1 = 0;
- t1 = i;
- goto getlen;
- }
- }
- }
- return 0;
- case '\'':
- if (PL_curpm && (rx = PM_GETRE(PL_curpm))) {
- if (rx->endp[0] != -1) {
- i = rx->sublen - rx->endp[0];
- if (i > 0) {
- s1 = rx->endp[0];
- t1 = rx->sublen;
- goto getlen;
- }
- }
- }
- return 0;
}
magic_get(sv,mg);
if (!SvPOK(sv) && SvNIOK(sv)) {
}
#define SvRTRIM(sv) STMT_START { \
- STRLEN len = SvCUR(sv); \
- while (len > 0 && isSPACE(SvPVX(sv)[len-1])) \
- --len; \
- SvCUR_set(sv, len); \
+ if (SvPOK(sv)) { \
+ STRLEN len = SvCUR(sv); \
+ char * const p = SvPVX(sv); \
+ while (len > 0 && isSPACE(p[len-1])) \
+ --len; \
+ SvCUR_set(sv, len); \
+ p[len] = '\0'; \
+ } \
} STMT_END
+void
+Perl_emulate_cop_io(pTHX_ const COP *const c, SV *const sv)
+{
+ if (!(CopHINTS_get(c) & (HINT_LEXICAL_IO_IN|HINT_LEXICAL_IO_OUT)))
+ sv_setsv(sv, &PL_sv_undef);
+ else {
+ sv_setpvs(sv, "");
+ SvUTF8_off(sv);
+ if ((CopHINTS_get(c) & HINT_LEXICAL_IO_IN)) {
+ SV *const value = Perl_refcounted_he_fetch(aTHX_
+ c->cop_hints_hash,
+ 0, "open<", 5, 0, 0);
+ assert(value);
+ sv_catsv(sv, value);
+ }
+ sv_catpvs(sv, "\0");
+ if ((CopHINTS_get(c) & HINT_LEXICAL_IO_OUT)) {
+ SV *const value = Perl_refcounted_he_fetch(aTHX_
+ c->cop_hints_hash,
+ 0, "open>", 5, 0, 0);
+ assert(value);
+ sv_catsv(sv, value);
+ }
+ }
+}
+
int
Perl_magic_get(pTHX_ SV *sv, MAGIC *mg)
{
dVAR;
register I32 paren;
register char *s = NULL;
- register I32 i;
register REGEXP *rx;
const char * const remaining = mg->mg_ptr + 1;
const char nextchar = *remaining;
break;
case '\005': /* ^E */
if (nextchar == '\0') {
-#ifdef MACOS_TRADITIONAL
+#if defined(MACOS_TRADITIONAL)
{
char msg[256];
sv_setnv(sv,(double)gMacPerl_OSErr);
sv_setpv(sv, gMacPerl_OSErr ? GetSysErrText(gMacPerl_OSErr, msg) : "");
}
-#else
-#ifdef VMS
+#elif defined(VMS)
{
# include <descrip.h>
# include <starlet.h>
else
sv_setpvn(sv,"",0);
}
-#else
-#ifdef OS2
+#elif defined(OS2)
if (!(_emx_env & 0x200)) { /* Under DOS */
sv_setnv(sv, (NV)errno);
sv_setpv(sv, errno ? Strerror(errno) : "");
sv_setnv(sv, (NV)Perl_rc);
sv_setpv(sv, os2error(Perl_rc));
}
-#else
-#ifdef WIN32
+#elif defined(WIN32)
{
- DWORD dwErr = GetLastError();
+ const DWORD dwErr = GetLastError();
sv_setnv(sv, (NV)dwErr);
if (dwErr) {
PerlProc_GetOSError(sv, dwErr);
errno = saveerrno;
}
#endif
-#endif
-#endif
-#endif
SvRTRIM(sv);
SvNOK_on(sv); /* what a wonderful hack! */
}
SvTAINTED_off(sv);
}
else if (strEQ(remaining, "PEN")) {
- if (!PL_compiling.cop_io)
- sv_setsv(sv, &PL_sv_undef);
- else {
- sv_setsv(sv, PL_compiling.cop_io);
- }
+ Perl_emulate_cop_io(aTHX_ &PL_compiling, sv);
}
break;
- case '\020': /* ^P */
- sv_setiv(sv, (IV)PL_perldb);
+ case '\020':
+ if (nextchar == '\0') { /* ^P */
+ sv_setiv(sv, (IV)PL_perldb);
+ } else if (strEQ(remaining, "REMATCH")) { /* $^PREMATCH */
+ goto do_prematch_fetch;
+ } else if (strEQ(remaining, "OSTMATCH")) { /* $^POSTMATCH */
+ goto do_postmatch_fetch;
+ }
break;
case '\023': /* ^S */
if (nextchar == '\0') {
- if (PL_lex_state != LEX_NOTPARSING)
+ if (PL_parser && PL_parser->lex_state != LEX_NOTPARSING)
SvOK_off(sv);
else if (PL_in_eval)
sv_setiv(sv, PL_in_eval & ~(EVAL_INREQUIRE));
? (PL_taint_warn || PL_unsafe ? -1 : 1)
: 0);
break;
- case '\025': /* $^UNICODE, $^UTF8LOCALE */
+ case '\025': /* $^UNICODE, $^UTF8LOCALE, $^UTF8CACHE */
if (strEQ(remaining, "NICODE"))
sv_setuv(sv, (UV) PL_unicode);
else if (strEQ(remaining, "TF8LOCALE"))
sv_setuv(sv, (UV) PL_utf8locale);
+ else if (strEQ(remaining, "TF8CACHE"))
+ sv_setiv(sv, (IV) PL_utf8cache);
break;
case '\027': /* ^W & $^WARNING_BITS */
if (nextchar == '\0')
else if (PL_compiling.cop_warnings == pWARN_ALL) {
/* 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);
- if (bits && (bits_all=hv_fetch(bits, "all", 3, FALSE))) {
- sv_setsv(sv, *bits_all);
+ if (bits) {
+ SV ** const bits_all = hv_fetchs(bits, "all", FALSE);
+ if (bits_all)
+ sv_setsv(sv, *bits_all);
}
else {
sv_setpvn(sv, WARN_ALLstring, WARNsize) ;
}
}
else {
- sv_setsv(sv, PL_compiling.cop_warnings);
+ sv_setpvn(sv, (char *) (PL_compiling.cop_warnings + 1),
+ *PL_compiling.cop_warnings);
}
SvPOK_only(sv);
}
break;
+ case '\015': /* $^MATCH */
+ if (strEQ(remaining, "ATCH")) {
case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9': case '&':
- if (PL_curpm && (rx = PM_GETRE(PL_curpm))) {
- I32 s1, t1;
-
- /*
- * Pre-threads, this was paren = atoi(GvENAME((GV*)mg->mg_obj));
- * XXX Does the new way break anything?
- */
- paren = atoi(mg->mg_ptr); /* $& is in [0] */
- getparen:
- if (paren <= (I32)rx->nparens &&
- (s1 = rx->startp[paren]) != -1 &&
- (t1 = rx->endp[paren]) != -1)
- {
- i = t1 - s1;
- s = rx->subbeg + s1;
- if (!rx->subbeg)
- break;
-
- getrx:
- if (i >= 0) {
- const int oldtainted = PL_tainted;
- TAINT_NOT;
- sv_setpvn(sv, s, i);
- PL_tainted = oldtainted;
- if (RX_MATCH_UTF8(rx) && is_utf8_string((U8*)s, i))
- SvUTF8_on(sv);
- else
- SvUTF8_off(sv);
- if (PL_tainting) {
- if (RX_MATCH_TAINTED(rx)) {
- MAGIC* const mg = SvMAGIC(sv);
- MAGIC* mgt;
- PL_tainted = 1;
- SvMAGIC_set(sv, mg->mg_moremagic);
- SvTAINT(sv);
- if ((mgt = SvMAGIC(sv))) {
- mg->mg_moremagic = mgt;
- SvMAGIC_set(sv, mg);
- }
- } else
- SvTAINTED_off(sv);
- }
- break;
- }
+ if (PL_curpm && (rx = PM_GETRE(PL_curpm))) {
+ /*
+ * Pre-threads, this was paren = atoi(GvENAME((GV*)mg->mg_obj));
+ * XXX Does the new way break anything?
+ */
+ paren = atoi(mg->mg_ptr); /* $& is in [0] */
+ CALLREG_NUMBUF_FETCH(rx,paren,sv);
+ break;
}
+ sv_setsv(sv,&PL_sv_undef);
}
- sv_setsv(sv,&PL_sv_undef);
break;
case '+':
if (PL_curpm && (rx = PM_GETRE(PL_curpm))) {
- paren = rx->lastparen;
- if (paren)
- goto getparen;
+ if (rx->lastparen) {
+ CALLREG_NUMBUF_FETCH(rx,rx->lastparen,sv);
+ break;
+ }
}
sv_setsv(sv,&PL_sv_undef);
break;
case '\016': /* ^N */
if (PL_curpm && (rx = PM_GETRE(PL_curpm))) {
- paren = rx->lastcloseparen;
- if (paren)
- goto getparen;
+ if (rx->lastcloseparen) {
+ CALLREG_NUMBUF_FETCH(rx,rx->lastcloseparen,sv);
+ break;
+ }
+
}
sv_setsv(sv,&PL_sv_undef);
break;
case '`':
+ do_prematch_fetch:
if (PL_curpm && (rx = PM_GETRE(PL_curpm))) {
- if ((s = rx->subbeg) && rx->startp[0] != -1) {
- i = rx->startp[0];
- goto getrx;
- }
+ CALLREG_NUMBUF_FETCH(rx,-2,sv);
+ break;
}
sv_setsv(sv,&PL_sv_undef);
break;
case '\'':
+ do_postmatch_fetch:
if (PL_curpm && (rx = PM_GETRE(PL_curpm))) {
- if (rx->subbeg && rx->endp[0] != -1) {
- s = rx->subbeg + rx->endp[0];
- i = rx->sublen - rx->endp[0];
- goto getrx;
- }
+ CALLREG_NUMBUF_FETCH(rx,-1,sv);
+ break;
}
sv_setsv(sv,&PL_sv_undef);
break;
case '/':
break;
case '[':
- WITH_THR(sv_setiv(sv, (IV)PL_curcop->cop_arybase));
+ sv_setiv(sv, (IV)CopARYBASE_get(PL_curcop));
break;
case '|':
if (GvIOp(PL_defoutgv))
break;
case '(':
sv_setiv(sv, (IV)PL_gid);
-#ifdef HAS_GETGROUPS
- Perl_sv_setpvf(aTHX_ sv, "%"Gid_t_f, PL_gid);
-#endif
goto add_groups;
case ')':
sv_setiv(sv, (IV)PL_egid);
-#ifdef HAS_GETGROUPS
- Perl_sv_setpvf(aTHX_ sv, "%"Gid_t_f, PL_egid);
-#endif
add_groups:
#ifdef HAS_GETGROUPS
{
Groups_t *gary = NULL;
- I32 num_groups = getgroups(0, gary);
+ I32 i, num_groups = getgroups(0, gary);
Newx(gary, num_groups, Groups_t);
num_groups = getgroups(num_groups, gary);
- while (--num_groups >= 0)
- Perl_sv_catpvf(aTHX_ sv, " %"Gid_t_f,
- gary[num_groups]);
+ for (i = 0; i < num_groups; i++)
+ Perl_sv_catpvf(aTHX_ sv, " %"IVdf, (IV)gary[i]);
Safefree(gary);
}
-#endif
(void)SvIOK_on(sv); /* what a wonderful hack! */
+#endif
break;
#ifndef MACOS_TRADITIONAL
case '0':
Perl_magic_setenv(pTHX_ SV *sv, MAGIC *mg)
{
dVAR;
- STRLEN len, klen;
- const char *s = SvPV_const(sv,len);
+ STRLEN len = 0, klen;
+ const char *s = SvOK(sv) ? SvPV_const(sv,len) : "";
const char * const ptr = MgPV_const(mg,klen);
my_setenv(ptr, s);
if (!len) {
SV ** const valp = hv_fetch(GvHVn(PL_envgv), ptr, klen, FALSE);
if (valp)
- s = SvPV_const(*valp, len);
+ s = SvOK(*valp) ? SvPV_const(*valp, len) : "";
}
#endif
Stat_t sbuf;
int i = 0, j = 0;
- strncpy(eltbuf, s, 255);
- eltbuf[255] = 0;
+ my_strlcpy(eltbuf, s, sizeof(eltbuf));
elt = eltbuf;
do { /* DCL$PATH may be a search list */
while (1) { /* as may dev portion of any element */
return 0;
}
}
- if ((cp = strchr(elt, ':')) != Nullch)
+ if ((cp = strchr(elt, ':')) != NULL)
*cp = '\0';
if (my_trnlnm(elt, eltbuf, j++))
elt = eltbuf;
char tmpbuf[256];
Stat_t st;
I32 i;
+#ifdef VMS /* Hmm. How do we get $Config{path_sep} from C? */
+ const char path_sep = '|';
+#else
+ const char path_sep = ':';
+#endif
s = delimcpy(tmpbuf, tmpbuf + sizeof tmpbuf,
- s, strend, ':', &i);
+ s, strend, path_sep, &i);
s++;
- if (i >= sizeof tmpbuf /* too long -- assume the worst */
- || *tmpbuf != '/'
+ if (i >= (I32)sizeof tmpbuf /* too long -- assume the worst */
+#ifdef VMS
+ || !strchr(tmpbuf, ':') /* no colon thus no device name -- assume relative path */
+#else
+ || *tmpbuf != '/' /* no starting slash -- assume relative path */
+#endif
|| (PerlLIO_stat(tmpbuf, &st) == 0 && (st.st_mode & 2)) ) {
MgTAINTEDDIR_on(mg);
return 0;
Perl_magic_clearenv(pTHX_ SV *sv, MAGIC *mg)
{
PERL_UNUSED_ARG(sv);
- my_setenv(MgPV_nolen_const(mg),Nullch);
+ my_setenv(MgPV_nolen_const(mg),NULL);
return 0;
}
restore_sigmask(pTHX_ SV *save_sv)
{
const sigset_t * const ossetp = (const sigset_t *) SvPV_nolen_const( save_sv );
- (void)sigprocmask(SIG_SETMASK, ossetp, (sigset_t *)0);
+ (void)sigprocmask(SIG_SETMASK, ossetp, NULL);
}
#endif
int
if(PL_psig_ptr[i])
sv_setsv(sv,PL_psig_ptr[i]);
else {
- Sighandler_t sigstate;
- sigstate = rsignal_state(i);
+ Sighandler_t sigstate = rsignal_state(i);
#ifdef FAKE_PERSISTENT_SIGNAL_HANDLERS
- if (PL_sig_handlers_initted && PL_sig_ignoring[i]) sigstate = SIG_IGN;
+ if (PL_sig_handlers_initted && PL_sig_ignoring[i])
+ sigstate = SIG_IGN;
#endif
#ifdef FAKE_DEFAULT_SIGNAL_HANDLERS
- if (PL_sig_handlers_initted && PL_sig_defaulting[i]) sigstate = SIG_DFL;
+ if (PL_sig_handlers_initted && PL_sig_defaulting[i])
+ sigstate = SIG_DFL;
#endif
/* cache state so we don't fetch it again */
if(sigstate == (Sighandler_t) SIG_IGN)
- sv_setpv(sv,"IGNORE");
+ sv_setpvs(sv,"IGNORE");
else
sv_setsv(sv,&PL_sv_undef);
- PL_psig_ptr[i] = SvREFCNT_inc(sv);
+ PL_psig_ptr[i] = SvREFCNT_inc_simple_NN(sv);
SvTEMP_off(sv);
}
}
SV** svp = NULL;
if (strEQ(s,"__DIE__"))
svp = &PL_diehook;
- else if (strEQ(s,"__WARN__"))
+ else if (strEQ(s,"__WARN__") && PL_warnhook != PERL_WARNHOOK_FATAL)
svp = &PL_warnhook;
- else
- Perl_croak(aTHX_ "No such hook: %s", s);
if (svp && *svp) {
- SV * const to_dec = *svp;
+ SV *const to_dec = *svp;
*svp = NULL;
- SvREFCNT_dec(to_dec);
+ SvREFCNT_dec(to_dec);
}
}
else {
PL_psig_name[i]=0;
}
if(PL_psig_ptr[i]) {
- SV *to_dec=PL_psig_ptr[i];
+ SV * const to_dec=PL_psig_ptr[i];
PL_psig_ptr[i]=0;
LEAVE;
SvREFCNT_dec(to_dec);
return 0;
}
+/*
+ * The signal handling nomenclature has gotten a bit confusing since the advent of
+ * safe signals. S_raise_signal only raises signals by analogy with what the
+ * underlying system's signal mechanism does. It might be more proper to say that
+ * it defers signals that have already been raised and caught.
+ *
+ * PL_sig_pending and PL_psig_pend likewise do not track signals that are pending
+ * in the sense of being on the system's signal queue in between raising and delivery.
+ * They are only pending on Perl's deferral list, i.e., they track deferred signals
+ * awaiting delivery after the current Perl opcode completes and say nothing about
+ * signals raised but not yet caught in the underlying signal implementation.
+ */
+
+#ifndef SIG_PENDING_DIE_COUNT
+# define SIG_PENDING_DIE_COUNT 120
+#endif
+
static void
S_raise_signal(pTHX_ int sig)
{
/* Set a flag to say this signal is pending */
PL_psig_pend[sig]++;
/* And one to say _a_ signal is pending */
- PL_sig_pending = 1;
+ if (++PL_sig_pending >= SIG_PENDING_DIE_COUNT)
+ Perl_croak(aTHX_ "Maximal count of pending signals (%lu) exceeded",
+ (unsigned long)SIG_PENDING_DIE_COUNT);
}
Signal_t
exit(1);
#endif
#endif
- if (PL_signals & PERL_SIGNALS_UNSAFE_FLAG)
+ if (
+#ifdef SIGILL
+ sig == SIGILL ||
+#endif
+#ifdef SIGBUS
+ sig == SIGBUS ||
+#endif
+#ifdef SIGSEGV
+ sig == SIGSEGV ||
+#endif
+ (PL_signals & PERL_SIGNALS_UNSAFE_FLAG))
/* Call the perl level handler now--
* with risk we may be in malloc() etc. */
(*PL_sighandlerp)(sig);
Perl_croak(aTHX_ "No such hook: %s", s);
i = 0;
if (*svp) {
- to_dec = *svp;
+ if (*svp != PERL_WARNHOOK_FATAL)
+ to_dec = *svp;
*svp = NULL;
}
}
#endif
SvREFCNT_dec(PL_psig_name[i]);
to_dec = PL_psig_ptr[i];
- PL_psig_ptr[i] = SvREFCNT_inc(sv);
+ PL_psig_ptr[i] = SvREFCNT_inc_simple_NN(sv);
SvTEMP_off(sv); /* Make sure it doesn't go away on us */
PL_psig_name[i] = newSVpvn(s, len);
SvREADONLY_on(PL_psig_name[i]);
#endif
}
else
- *svp = SvREFCNT_inc(sv);
+ *svp = SvREFCNT_inc_simple_NN(sv);
if(to_dec)
SvREFCNT_dec(to_dec);
return 0;
}
- s = SvPV_force(sv,len);
+ s = SvOK(sv) ? SvPV_force(sv,len) : "DEFAULT";
if (strEQ(s,"IGNORE")) {
if (i) {
#ifdef FAKE_PERSISTENT_SIGNAL_HANDLERS
if (i)
(void)rsignal(i, PL_csighandlerp);
else
- *svp = SvREFCNT_inc(sv);
+ *svp = SvREFCNT_inc_simple_NN(sv);
}
#ifdef HAS_SIGPROCMASK
if(i)
Perl_magic_setisa(pTHX_ SV *sv, MAGIC *mg)
{
dVAR;
+ HV* stash;
PERL_UNUSED_ARG(sv);
- PERL_UNUSED_ARG(mg);
- PL_sub_generation++;
+
+ /* Bail out if destruction is going on */
+ if(PL_dirty) return 0;
+
+ /* The first case occurs via setisa,
+ the second via setisa_elem, which
+ calls this same magic */
+ stash = GvSTASH(
+ SvTYPE(mg->mg_obj) == SVt_PVGV
+ ? (GV*)mg->mg_obj
+ : (GV*)SvMAGIC(mg->mg_obj)->mg_obj
+ );
+
+ if(PL_delaymagic)
+ PL_delayedisa = stash;
+ else
+ mro_isa_changed_in(stash);
+
return 0;
}
dVAR;
PERL_UNUSED_ARG(sv);
PERL_UNUSED_ARG(mg);
- /* HV_badAMAGIC_on(Sv_STASH(sv)); */
PL_amagic_generation++;
return 0;
Perl_magic_sizepack(pTHX_ SV *sv, MAGIC *mg)
{
dVAR; dSP;
- U32 retval = 0;
+ I32 retval = 0;
ENTER;
SAVETMPS;
PUSHSTACKi(PERLSI_MAGIC);
if (magic_methcall(sv, mg, "FETCHSIZE", G_SCALAR, 2, NULL)) {
sv = *PL_stack_sp--;
- retval = (U32) SvIV(sv)-1;
+ retval = SvIV(sv)-1;
+ if (retval < -1)
+ Perl_croak(aTHX_ "FETCHSIZE returned a negative value");
}
POPSTACK;
FREETMPS;
LEAVE;
- return retval;
+ return (U32) retval;
}
int
}
int
-Perl_magic_existspack(pTHX_ SV *sv, MAGIC *mg)
+Perl_magic_existspack(pTHX_ SV *sv, const MAGIC *mg)
{
return magic_methpack(sv,mg,"EXISTS");
}
Perl_magic_scalarpack(pTHX_ HV *hv, MAGIC *mg)
{
dVAR; dSP;
- SV *retval = &PL_sv_undef;
+ SV *retval;
SV * const tied = SvTIED_obj((SV*)hv, mg);
HV * const pkg = SvSTASH((SV*)SvRV(tied));
if (call_method("SCALAR", G_SCALAR))
retval = *PL_stack_sp--;
+ else
+ retval = &PL_sv_undef;
POPSTACK;
LEAVE;
return retval;
dVAR;
const AV * const obj = (AV*)mg->mg_obj;
if (obj) {
- sv_setiv(sv, AvFILL(obj) + PL_curcop->cop_arybase);
+ sv_setiv(sv, AvFILL(obj) + CopARYBASE_get(PL_curcop));
} else {
SvOK_off(sv);
}
dVAR;
AV * const obj = (AV*)mg->mg_obj;
if (obj) {
- av_fill(obj, SvIV(sv) - PL_curcop->cop_arybase);
+ av_fill(obj, SvIV(sv) - CopARYBASE_get(PL_curcop));
} else {
if (ckWARN(WARN_MISC))
Perl_warner(aTHX_ packWARN(WARN_MISC),
{
dVAR;
SV* const lsv = LvTARG(sv);
+ PERL_UNUSED_ARG(mg);
if (SvTYPE(lsv) >= SVt_PVMG && SvMAGIC(lsv)) {
- mg = mg_find(lsv, PERL_MAGIC_regex_global);
- if (mg && mg->mg_len >= 0) {
- I32 i = mg->mg_len;
+ MAGIC * const found = mg_find(lsv, PERL_MAGIC_regex_global);
+ if (found && found->mg_len >= 0) {
+ I32 i = found->mg_len;
if (DO_UTF8(lsv))
sv_pos_b2u(lsv, &i);
- sv_setiv(sv, i + PL_curcop->cop_arybase);
+ sv_setiv(sv, i + CopARYBASE_get(PL_curcop));
return 0;
}
}
SSize_t pos;
STRLEN len;
STRLEN ulen = 0;
+ MAGIC* found;
- mg = 0;
+ PERL_UNUSED_ARG(mg);
if (SvTYPE(lsv) >= SVt_PVMG && SvMAGIC(lsv))
- mg = mg_find(lsv, PERL_MAGIC_regex_global);
- if (!mg) {
+ found = mg_find(lsv, PERL_MAGIC_regex_global);
+ else
+ found = NULL;
+ if (!found) {
if (!SvOK(sv))
return 0;
- sv_magic(lsv, NULL, PERL_MAGIC_regex_global, NULL, 0);
- mg = mg_find(lsv, PERL_MAGIC_regex_global);
+#ifdef PERL_OLD_COPY_ON_WRITE
+ if (SvIsCOW(lsv))
+ sv_force_normal_flags(lsv, 0);
+#endif
+ found = sv_magicext(lsv, NULL, PERL_MAGIC_regex_global, &PL_vtbl_mglob,
+ NULL, 0);
}
else if (!SvOK(sv)) {
- mg->mg_len = -1;
+ found->mg_len = -1;
return 0;
}
len = SvPOK(lsv) ? SvCUR(lsv) : sv_len(lsv);
- pos = SvIV(sv) - PL_curcop->cop_arybase;
+ pos = SvIV(sv) - CopARYBASE_get(PL_curcop);
if (DO_UTF8(lsv)) {
ulen = sv_len_utf8(lsv);
pos = p;
}
- mg->mg_len = pos;
- mg->mg_flags &= ~MGf_MINMATCH;
+ found->mg_len = pos;
+ found->mg_flags &= ~MGf_MINMATCH;
return 0;
}
int
-Perl_magic_getglob(pTHX_ SV *sv, MAGIC *mg)
-{
- PERL_UNUSED_ARG(mg);
- if (SvFAKE(sv)) { /* FAKE globs can get coerced */
- SvFAKE_off(sv);
- gv_efullname3(sv,((GV*)sv), "*");
- SvFAKE_on(sv);
- }
- else
- gv_efullname3(sv,((GV*)sv), "*"); /* a gv value, be nice */
- return 0;
-}
-
-int
Perl_magic_setglob(pTHX_ SV *sv, MAGIC *mg)
{
GV* gv;
PERL_UNUSED_ARG(mg);
+ Perl_croak(aTHX_ "Perl_magic_setglob is dead code?");
+
if (!SvOK(sv))
return 0;
+ if (isGV_with_GP(sv)) {
+ /* We're actually already a typeglob, so don't need the stuff below.
+ */
+ return 0;
+ }
gv = gv_fetchsv(sv, GV_ADD, SVt_PVGV);
if (sv == (SV*)gv)
return 0;
{
dVAR;
STRLEN len;
- const char *tmps = SvPV_const(sv, len);
+ const char * const tmps = SvPV_const(sv, len);
SV * const lsv = LvTARG(sv);
I32 lvoff = LvTARGOFF(sv);
I32 lvlen = LvTARGLEN(sv);
SvUTF8_on(lsv);
}
else if (lsv && SvUTF8(lsv)) {
+ const char *utf8;
sv_pos_u2b(lsv, &lvoff, &lvlen);
LvTARGLEN(sv) = len;
- tmps = (char*)bytes_to_utf8((U8*)tmps, &len);
- sv_insert(lsv, lvoff, lvlen, tmps, len);
- Safefree(tmps);
+ utf8 = (char*)bytes_to_utf8((U8*)tmps, &len);
+ sv_insert(lsv, lvoff, lvlen, utf8, len);
+ Safefree(utf8);
}
else {
sv_insert(lsv, lvoff, lvlen, tmps, len);
{
dVAR;
PERL_UNUSED_ARG(sv);
- /* update taint status unless we're restoring at scope exit */
- if (PL_localizing != 2) {
- if (PL_tainted)
- mg->mg_len |= 1;
- else
- mg->mg_len &= ~1;
- }
+ /* update taint status */
+ if (PL_tainted)
+ mg->mg_len |= 1;
+ else
+ mg->mg_len &= ~1;
return 0;
}
SV * const lsv = LvTARG(sv);
PERL_UNUSED_ARG(mg);
- if (!lsv) {
+ if (lsv)
+ sv_setuv(sv, do_vecget(lsv, LvTARGOFF(sv), LvTARGLEN(sv)));
+ else
SvOK_off(sv);
- return 0;
- }
- sv_setuv(sv, do_vecget(lsv, LvTARGOFF(sv), LvTARGLEN(sv)));
return 0;
}
Perl_magic_getdefelem(pTHX_ SV *sv, MAGIC *mg)
{
dVAR;
- SV *targ = Nullsv;
+ SV *targ = NULL;
if (LvTARGLEN(sv)) {
if (mg->mg_obj) {
SV * const ahv = LvTARG(sv);
if ((I32)LvTARGOFF(sv) <= AvFILL(av))
targ = AvARRAY(av)[LvTARGOFF(sv)];
}
- if (targ && targ != &PL_sv_undef) {
+ if (targ && (targ != &PL_sv_undef)) {
/* somebody else defined it for us */
SvREFCNT_dec(LvTARG(sv));
- LvTARG(sv) = SvREFCNT_inc(targ);
+ LvTARG(sv) = SvREFCNT_inc_simple_NN(targ);
LvTARGLEN(sv) = 0;
SvREFCNT_dec(mg->mg_obj);
- mg->mg_obj = Nullsv;
+ mg->mg_obj = NULL;
mg->mg_flags &= ~MGf_REFCOUNTED;
}
}
{
dVAR;
MAGIC *mg;
- SV *value = Nullsv;
+ SV *value = NULL;
if (!LvTARGLEN(sv) || !(mg = mg_find(sv, PERL_MAGIC_defelem)))
return;
if (he)
value = HeVAL(he);
if (!value || value == &PL_sv_undef)
- Perl_croak(aTHX_ PL_no_helem_sv, mg->mg_obj);
+ Perl_croak(aTHX_ PL_no_helem_sv, SVfARG(mg->mg_obj));
}
else {
AV* const av = (AV*)LvTARG(sv);
if ((I32)LvTARGLEN(sv) < 0 && (I32)LvTARGOFF(sv) > AvFILL(av))
- LvTARG(sv) = Nullsv; /* array can't be extended */
+ LvTARG(sv) = NULL; /* array can't be extended */
else {
- SV** const svp = av_fetch(av, LvTARGOFF(sv), TRUE);
+ SV* const * const svp = av_fetch(av, LvTARGOFF(sv), TRUE);
if (!svp || (value = *svp) == &PL_sv_undef)
Perl_croak(aTHX_ PL_no_aelem, (I32)LvTARGOFF(sv));
}
}
- (void)SvREFCNT_inc(value);
+ SvREFCNT_inc_simple_void(value);
SvREFCNT_dec(LvTARG(sv));
LvTARG(sv) = value;
LvTARGLEN(sv) = 0;
SvREFCNT_dec(mg->mg_obj);
- mg->mg_obj = Nullsv;
+ mg->mg_obj = NULL;
mg->mg_flags &= ~MGf_REFCOUNTED;
}
int
Perl_magic_setmglob(pTHX_ SV *sv, MAGIC *mg)
{
+ PERL_UNUSED_CONTEXT;
mg->mg_len = -1;
SvSCREAM_off(sv);
return 0;
{
PERL_UNUSED_ARG(mg);
sv_unmagic(sv, PERL_MAGIC_bm);
+ SvTAIL_off(sv);
SvVALID_off(sv);
return 0;
}
* RenE<eacute> Descartes said "I think not."
* and vanished with a faint plop.
*/
+ PERL_UNUSED_CONTEXT;
PERL_UNUSED_ARG(sv);
if (mg->mg_ptr) {
Safefree(mg->mg_ptr);
int
Perl_magic_setutf8(pTHX_ SV *sv, MAGIC *mg)
{
+ PERL_UNUSED_CONTEXT;
PERL_UNUSED_ARG(sv);
Safefree(mg->mg_ptr); /* The mg_ptr holds the pos cache. */
- mg->mg_ptr = 0;
+ mg->mg_ptr = NULL;
mg->mg_len = -1; /* The mg_len holds the len cache. */
return 0;
}
{
dVAR;
register const char *s;
+ register I32 paren;
+ register const REGEXP * rx;
+ const char * const remaining = mg->mg_ptr + 1;
I32 i;
STRLEN len;
+
switch (*mg->mg_ptr) {
+ case '\015': /* $^MATCH */
+ if (strEQ(remaining, "ATCH"))
+ goto do_match;
+ case '`': /* ${^PREMATCH} caught below */
+ do_prematch:
+ paren = -2;
+ goto setparen;
+ case '\'': /* ${^POSTMATCH} caught below */
+ do_postmatch:
+ paren = -1;
+ goto setparen;
+ case '&':
+ do_match:
+ paren = 0;
+ goto setparen;
+ case '1': case '2': case '3': case '4':
+ case '5': case '6': case '7': case '8': case '9':
+ setparen:
+ if (PL_curpm && (rx = PM_GETRE(PL_curpm))) {
+ CALLREG_NUMBUF_STORE((REGEXP * const)rx,paren,sv);
+ break;
+ } else {
+ /* Croak with a READONLY error when a numbered match var is
+ * set without a previous pattern match. Unless it's C<local $1>
+ */
+ if (!PL_localizing) {
+ Perl_croak(aTHX_ PL_no_modify);
+ }
+ }
case '\001': /* ^A */
sv_setsv(PL_bodytarget, sv);
break;
case '\003': /* ^C */
- PL_minus_c = (bool)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
+ PL_minus_c = (bool)SvIV(sv);
break;
case '\004': /* ^D */
PL_debug = get_debug_opts(&s, 0) | DEBUG_TOP_FLAG;
DEBUG_x(dump_all());
#else
- PL_debug = (SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)) | DEBUG_TOP_FLAG;
+ PL_debug = (SvIV(sv)) | DEBUG_TOP_FLAG;
#endif
break;
case '\005': /* ^E */
if (*(mg->mg_ptr+1) == '\0') {
#ifdef MACOS_TRADITIONAL
- gMacPerl_OSErr = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
+ gMacPerl_OSErr = SvIV(sv);
#else
# ifdef VMS
- set_vaxc_errno(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
+ set_vaxc_errno(SvIV(sv));
# else
# ifdef WIN32
SetLastError( SvIV(sv) );
# else
# ifdef OS2
- os2_setsyserrno(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
+ os2_setsyserrno(SvIV(sv));
# else
/* will anyone ever use this? */
- SETERRNO(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv), 4);
+ SETERRNO(SvIV(sv), 4);
# endif
# endif
# endif
PL_encoding = newSVsv(sv);
}
else {
- PL_encoding = Nullsv;
+ PL_encoding = NULL;
}
}
break;
case '\006': /* ^F */
- PL_maxsysfd = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
+ PL_maxsysfd = SvIV(sv);
break;
case '\010': /* ^H */
- PL_hints = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
+ PL_hints = SvIV(sv);
break;
case '\011': /* ^I */ /* NOT \t in EBCDIC */
Safefree(PL_inplace);
- PL_inplace = SvOK(sv) ? savesvpv(sv) : Nullch;
+ PL_inplace = SvOK(sv) ? savesvpv(sv) : NULL;
break;
case '\017': /* ^O */
if (*(mg->mg_ptr+1) == '\0') {
Safefree(PL_osname);
- PL_osname = Nullch;
+ PL_osname = NULL;
if (SvOK(sv)) {
TAINT_PROPER("assigning to $^O");
PL_osname = savesvpv(sv);
}
}
else if (strEQ(mg->mg_ptr, "\017PEN")) {
- if (!PL_compiling.cop_io)
- PL_compiling.cop_io = newSVsv(sv);
- else
- sv_setsv(PL_compiling.cop_io,sv);
+ STRLEN len;
+ const char *const start = SvPV(sv, len);
+ const char *out = (const char*)memchr(start, '\0', len);
+ SV *tmp;
+ struct refcounted_he *tmp_he;
+
+
+ PL_compiling.cop_hints |= HINT_LEXICAL_IO_IN | HINT_LEXICAL_IO_OUT;
+ PL_hints
+ |= HINT_LOCALIZE_HH | HINT_LEXICAL_IO_IN | HINT_LEXICAL_IO_OUT;
+
+ /* Opening for input is more common than opening for output, so
+ ensure that hints for input are sooner on linked list. */
+ tmp = sv_2mortal(out ? newSVpvn(out + 1, start + len - out - 1)
+ : newSVpvs(""));
+ SvFLAGS(tmp) |= SvUTF8(sv);
+
+ tmp_he
+ = Perl_refcounted_he_new(aTHX_ PL_compiling.cop_hints_hash,
+ sv_2mortal(newSVpvs("open>")), tmp);
+
+ /* The UTF-8 setting is carried over */
+ sv_setpvn(tmp, start, out ? (STRLEN)(out - start) : len);
+
+ PL_compiling.cop_hints_hash
+ = Perl_refcounted_he_new(aTHX_ tmp_he,
+ sv_2mortal(newSVpvs("open<")), tmp);
}
break;
case '\020': /* ^P */
- PL_perldb = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
- if (PL_perldb && !PL_DBsingle)
- init_debugger();
- break;
+ if (*remaining == '\0') { /* ^P */
+ PL_perldb = SvIV(sv);
+ if (PL_perldb && !PL_DBsingle)
+ init_debugger();
+ break;
+ } else if (strEQ(remaining, "REMATCH")) { /* $^PREMATCH */
+ goto do_prematch;
+ } else if (strEQ(remaining, "OSTMATCH")) { /* $^POSTMATCH */
+ goto do_postmatch;
+ }
case '\024': /* ^T */
#ifdef BIG_TIME
PL_basetime = (Time_t)(SvNOK(sv) ? SvNVX(sv) : sv_2nv(sv));
#else
- PL_basetime = (Time_t)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
+ PL_basetime = (Time_t)SvIV(sv);
#endif
break;
+ case '\025': /* ^UTF8CACHE */
+ if (strEQ(mg->mg_ptr+1, "TF8CACHE")) {
+ PL_utf8cache = (signed char) sv_2iv(sv);
+ }
+ break;
case '\027': /* ^W & $^WARNING_BITS */
if (*(mg->mg_ptr+1) == '\0') {
if ( ! (PL_dowarn & G_WARN_ALL_MASK)) {
- i = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
+ i = SvIV(sv);
PL_dowarn = (PL_dowarn & ~G_WARN_ON)
| (i ? G_WARN_ON : G_WARN_OFF) ;
}
accumulate |= ptr[i] ;
any_fatals |= (ptr[i] & 0xAA) ;
}
- if (!accumulate)
- PL_compiling.cop_warnings = pWARN_NONE;
- else if (isWARN_on(sv, WARN_ALL) && !any_fatals) {
+ if (!accumulate) {
+ if (!specialWARN(PL_compiling.cop_warnings))
+ PerlMemShared_free(PL_compiling.cop_warnings);
+ PL_compiling.cop_warnings = pWARN_NONE;
+ }
+ /* Yuck. I can't see how to abstract this: */
+ else if (isWARN_on(((STRLEN *)SvPV_nolen_const(sv)) - 1,
+ WARN_ALL) && !any_fatals) {
+ if (!specialWARN(PL_compiling.cop_warnings))
+ PerlMemShared_free(PL_compiling.cop_warnings);
PL_compiling.cop_warnings = pWARN_ALL;
PL_dowarn |= G_WARN_ONCE ;
}
else {
- if (specialWARN(PL_compiling.cop_warnings))
- PL_compiling.cop_warnings = newSVsv(sv) ;
- else
- sv_setsv(PL_compiling.cop_warnings, sv);
+ STRLEN len;
+ const char *const p = SvPV_const(sv, len);
+
+ PL_compiling.cop_warnings
+ = Perl_new_warnings_bitfield(aTHX_ PL_compiling.cop_warnings,
+ p, len);
+
if (isWARN_on(PL_compiling.cop_warnings, WARN_ONCE))
PL_dowarn |= G_WARN_ONCE ;
}
IoFMT_GV(GvIOp(PL_defoutgv)) = gv_fetchsv(sv, GV_ADD, SVt_PVIO);
break;
case '=':
- IoPAGE_LEN(GvIOp(PL_defoutgv)) = (SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
+ IoPAGE_LEN(GvIOp(PL_defoutgv)) = (SvIV(sv));
break;
case '-':
- IoLINES_LEFT(GvIOp(PL_defoutgv)) = (SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
+ IoLINES_LEFT(GvIOp(PL_defoutgv)) = (SvIV(sv));
if (IoLINES_LEFT(GvIOp(PL_defoutgv)) < 0L)
IoLINES_LEFT(GvIOp(PL_defoutgv)) = 0L;
break;
case '%':
- IoPAGE(GvIOp(PL_defoutgv)) = (SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
+ IoPAGE(GvIOp(PL_defoutgv)) = (SvIV(sv));
break;
case '|':
{
IO * const io = GvIOp(PL_defoutgv);
if(!io)
break;
- if ((SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)) == 0)
+ if ((SvIV(sv)) == 0)
IoFLAGS(io) &= ~IOf_FLUSH;
else {
if (!(IoFLAGS(io) & IOf_FLUSH)) {
PL_ors_sv = newSVsv(sv);
}
else {
- PL_ors_sv = Nullsv;
+ PL_ors_sv = NULL;
}
break;
case ',':
PL_ofs_sv = newSVsv(sv);
}
else {
- PL_ofs_sv = Nullsv;
+ PL_ofs_sv = NULL;
}
break;
case '[':
- PL_compiling.cop_arybase = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
+ CopARYBASE_set(&PL_compiling, SvIV(sv));
break;
case '?':
#ifdef COMPLEX_STATUS
STATUS_NATIVE_CHILD_SET((U32)SvIV(sv));
else
#endif
- STATUS_UNIX_EXIT_SET(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
+ STATUS_UNIX_EXIT_SET(SvIV(sv));
break;
case '!':
{
}
break;
case '<':
- PL_uid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
+ PL_uid = SvIV(sv);
if (PL_delaymagic) {
PL_delaymagic |= DM_RUID;
break; /* don't do magic till later */
PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid));
break;
case '>':
- PL_euid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
+ PL_euid = SvIV(sv);
if (PL_delaymagic) {
PL_delaymagic |= DM_EUID;
break; /* don't do magic till later */
PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid));
break;
case '(':
- PL_gid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
+ PL_gid = SvIV(sv);
if (PL_delaymagic) {
PL_delaymagic |= DM_RGID;
break; /* don't do magic till later */
}
if (i)
(void)setgroups(i, gary);
- if (gary)
- Safefree(gary);
+ Safefree(gary);
}
#else /* HAS_SETGROUPS */
- PL_egid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
+ PL_egid = SvIV(sv);
#endif /* HAS_SETGROUPS */
if (PL_delaymagic) {
PL_delaymagic |= DM_EGID;
/* The BSDs don't show the argv[] in ps(1) output, they
* show a string from the process struct and provide
* the setproctitle() routine to manipulate that. */
- {
+ if (PL_origalen != 1) {
s = SvPV_const(sv, len);
# if __FreeBSD_version > 410001
/* The leading "-" removes the "perl: " prefix,
setproctitle("%s", s);
# endif
}
-#endif
-#if defined(__hpux) && defined(PSTAT_SETCMD)
- {
+#elif defined(__hpux) && defined(PSTAT_SETCMD)
+ if (PL_origalen != 1) {
union pstun un;
s = SvPV_const(sv, len);
un.pst_command = (char *)s;
pstat(PSTAT_SETCMD, un, len, 0, 0);
}
-#endif
+#else
if (PL_origalen > 1) {
/* PL_origalen is set in perl_parse(). */
s = SvPV_force(sv,len);
}
else {
/* Shorter than original, will be padded. */
+#ifdef PERL_DARWIN
+ /* Special case for Mac OS X: see [perl #38868] */
+ const int pad = 0;
+#else
+ /* Is the space counterintuitive? Yes.
+ * (You were expecting \0?)
+ * Does it work? Seems to. (In Linux 2.4.20 at least.)
+ * --jhi */
+ const int pad = ' ';
+#endif
Copy(s, PL_origargv[0], len, char);
PL_origargv[0][len] = 0;
memset(PL_origargv[0] + len + 1,
- /* Is the space counterintuitive? Yes.
- * (You were expecting \0?)
- * Does it work? Seems to. (In Linux 2.4.20 at least.)
- * --jhi */
- (int)' ',
- PL_origalen - len - 1);
+ pad, PL_origalen - len - 1);
}
PL_origargv[0][PL_origalen-1] = 0;
for (i = 1; i < PL_origargc; i++)
PL_origargv[i] = 0;
}
+#endif
UNLOCK_DOLLARZERO_MUTEX;
break;
#endif
Perl_whichsig(pTHX_ const char *sig)
{
register char* const* sigv;
+ PERL_UNUSED_CONTEXT;
for (sigv = (char* const*)PL_sig_name; *sigv; sigv++)
if (strEQ(sig,*sigv))
dTHX;
#endif
dSP;
- GV *gv = Nullgv;
- SV *sv = Nullsv;
+ GV *gv = NULL;
+ SV *sv = NULL;
SV * const tSv = PL_Sv;
- CV *cv = Nullcv;
+ CV *cv = NULL;
OP *myop = PL_op;
U32 flags = 0;
XPV * const tXpv = PL_Xpv;
}
if(PL_psig_name[sig]) {
- sv = SvREFCNT_inc(PL_psig_name[sig]);
+ sv = SvREFCNT_inc_NN(PL_psig_name[sig]);
flags |= 64;
#if !defined(PERL_IMPLICIT_CONTEXT)
PL_sig_sv = sv;
#endif
EXTEND(SP, 2);
PUSHs((SV*)rv);
- PUSHs(newSVpv((void*)sip, sizeof(*sip)));
+ PUSHs(newSVpv((char *)sip, sizeof(*sip)));
}
va_end(args);
(void)rsignal(sig, PL_csighandlerp);
#endif
#endif /* !PERL_MICRO */
- Perl_die(aTHX_ Nullch);
+ Perl_die(aTHX_ NULL);
}
cleanup:
if (flags & 1)
/* downgrade public flags to private,
and discard any other private flags */
- U32 public = SvFLAGS(sv) & (SVf_IOK|SVf_NOK|SVf_POK);
- if (public) {
- SvFLAGS(sv) &= ~( public | SVp_IOK|SVp_NOK|SVp_POK );
- SvFLAGS(sv) |= ( public << PRIVSHIFT );
+ const U32 pubflags = SvFLAGS(sv) & (SVf_IOK|SVf_NOK|SVf_POK);
+ if (pubflags) {
+ SvFLAGS(sv) &= ~( pubflags | (SVp_IOK|SVp_NOK|SVp_POK) );
+ SvFLAGS(sv) |= ( pubflags << PRIVSHIFT );
}
}
}
}
/*
+=for apidoc magic_sethint
+
+Triggered by a store to %^H, records the key/value pair to
+C<PL_compiling.cop_hints_hash>. It is assumed that hints aren't storing
+anything that would need a deep copy. Maybe we should warn if we find a
+reference.
+
+=cut
+*/
+int
+Perl_magic_sethint(pTHX_ SV *sv, MAGIC *mg)
+{
+ dVAR;
+ assert(mg->mg_len == HEf_SVKEY);
+
+ /* mg->mg_obj isn't being used. If needed, it would be possible to store
+ an alternative leaf in there, with PL_compiling.cop_hints being used if
+ it's NULL. If needed for threads, the alternative could lock a mutex,
+ or take other more complex action. */
+
+ /* Something changed in %^H, so it will need to be restored on scope exit.
+ Doing this here saves a lot of doing it manually in perl code (and
+ forgetting to do it, and consequent subtle errors. */
+ PL_hints |= HINT_LOCALIZE_HH;
+ PL_compiling.cop_hints_hash
+ = Perl_refcounted_he_new(aTHX_ PL_compiling.cop_hints_hash,
+ (SV *)mg->mg_ptr, sv);
+ return 0;
+}
+
+/*
+=for apidoc magic_sethint
+
+Triggered by a delete from %^H, records the key to
+C<PL_compiling.cop_hints_hash>.
+
+=cut
+*/
+int
+Perl_magic_clearhint(pTHX_ SV *sv, MAGIC *mg)
+{
+ dVAR;
+ PERL_UNUSED_ARG(sv);
+
+ assert(mg->mg_len == HEf_SVKEY);
+
+ PERL_UNUSED_ARG(sv);
+
+ PL_hints |= HINT_LOCALIZE_HH;
+ PL_compiling.cop_hints_hash
+ = Perl_refcounted_he_new(aTHX_ PL_compiling.cop_hints_hash,
+ (SV *)mg->mg_ptr, &PL_sv_placeholder);
+ return 0;
+}
+
+/*
* Local variables:
* c-indentation-style: bsd
* c-basic-offset: 4
https://perl5.git.perl.org / perl5.git / blobdiff