/* mg.c
*
- * Copyright (c) 1991-1999, Larry Wall
+ * Copyright (c) 1991-2000, Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
MGS* mgs;
assert(SvMAGICAL(sv));
- SAVEDESTRUCTOR(restore_magic, (void*)mgs_ix);
+ SAVEDESTRUCTOR_X(restore_magic, (void*)mgs_ix);
mgs = SSPTR(mgs_ix, MGS*);
mgs->mgs_sv = sv;
SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT;
}
+/*
+=for apidoc mg_magical
+
+Turns on the magical status of an SV. See C<sv_magic>.
+
+=cut
+*/
+
void
Perl_mg_magical(pTHX_ SV *sv)
{
for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) {
MGVTBL* vtbl = mg->mg_virtual;
if (vtbl) {
- if ((vtbl->svt_get != NULL) && !(mg->mg_flags & MGf_GSKIP))
+ if (vtbl->svt_get && !(mg->mg_flags & MGf_GSKIP))
SvGMAGICAL_on(sv);
if (vtbl->svt_set)
SvSMAGICAL_on(sv);
- if (!(SvFLAGS(sv) & (SVs_GMG|SVs_SMG)) || (vtbl->svt_clear != NULL))
+ if (!(SvFLAGS(sv) & (SVs_GMG|SVs_SMG)) || vtbl->svt_clear)
SvRMAGICAL_on(sv);
}
}
}
+/*
+=for apidoc mg_get
+
+Do magic after a value is retrieved from the SV. See C<sv_magic>.
+
+=cut
+*/
+
int
Perl_mg_get(pTHX_ SV *sv)
{
mgp = &SvMAGIC(sv);
while ((mg = *mgp) != 0) {
MGVTBL* vtbl = mg->mg_virtual;
- if (!(mg->mg_flags & MGf_GSKIP) && vtbl && (vtbl->svt_get != NULL)) {
+ if (!(mg->mg_flags & MGf_GSKIP) && vtbl && vtbl->svt_get) {
CALL_FPTR(vtbl->svt_get)(aTHX_ sv, mg);
/* Ignore this magic if it's been deleted */
if ((mg == (mgp_valid ? *mgp : SvMAGIC(sv))) &&
return 0;
}
+/*
+=for apidoc mg_set
+
+Do magic after a value is assigned to the SV. See C<sv_magic>.
+
+=cut
+*/
+
int
Perl_mg_set(pTHX_ SV *sv)
{
mg->mg_flags &= ~MGf_GSKIP; /* setting requires another read */
(SSPTR(mgs_ix, MGS*))->mgs_flags = 0;
}
- if (vtbl && (vtbl->svt_set != NULL))
+ if (vtbl && vtbl->svt_set)
CALL_FPTR(vtbl->svt_set)(aTHX_ sv, mg);
}
return 0;
}
+/*
+=for apidoc mg_length
+
+Report on the SV's length. See C<sv_magic>.
+
+=cut
+*/
+
U32
Perl_mg_length(pTHX_ SV *sv)
{
for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) {
MGVTBL* vtbl = mg->mg_virtual;
- if (vtbl && (vtbl->svt_len != NULL)) {
+ if (vtbl && vtbl->svt_len) {
I32 mgs_ix;
mgs_ix = SSNEW(sizeof(MGS));
for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) {
MGVTBL* vtbl = mg->mg_virtual;
- if (vtbl && (vtbl->svt_len != NULL)) {
+ if (vtbl && vtbl->svt_len) {
I32 mgs_ix;
mgs_ix = SSNEW(sizeof(MGS));
return 0;
}
+/*
+=for apidoc mg_clear
+
+Clear something magical that the SV represents. See C<sv_magic>.
+
+=cut
+*/
+
int
Perl_mg_clear(pTHX_ SV *sv)
{
MGVTBL* vtbl = mg->mg_virtual;
/* omit GSKIP -- never set here */
- if (vtbl && (vtbl->svt_clear != NULL))
+ if (vtbl && vtbl->svt_clear)
CALL_FPTR(vtbl->svt_clear)(aTHX_ sv, mg);
}
return 0;
}
+/*
+=for apidoc mg_find
+
+Finds the magic pointer for type matching the SV. See C<sv_magic>.
+
+=cut
+*/
+
MAGIC*
Perl_mg_find(pTHX_ SV *sv, int type)
{
return 0;
}
+/*
+=for apidoc mg_copy
+
+Copies the magic from one SV to another. See C<sv_magic>.
+
+=cut
+*/
+
int
Perl_mg_copy(pTHX_ SV *sv, SV *nsv, const char *key, I32 klen)
{
return count;
}
+/*
+=for apidoc mg_free
+
+Free any magic storage used by the SV. See C<sv_magic>.
+
+=cut
+*/
+
int
Perl_mg_free(pTHX_ SV *sv)
{
for (mg = SvMAGIC(sv); mg; mg = moremagic) {
MGVTBL* vtbl = mg->mg_virtual;
moremagic = mg->mg_moremagic;
- if (vtbl && (vtbl->svt_free != NULL))
+ if (vtbl && vtbl->svt_free)
CALL_FPTR(vtbl->svt_free)(aTHX_ sv, mg);
if (mg->mg_ptr && mg->mg_type != 'g')
if (mg->mg_len >= 0)
case '\004': /* ^D */
sv_setiv(sv, (IV)(PL_debug & 32767));
+#if defined(YYDEBUG) && defined(DEBUGGING)
+ PL_yydebug = (PL_debug & 1);
+#endif
break;
case '\005': /* ^E */
+#ifdef MACOS_TRADITIONAL
+ {
+ char msg[256];
+
+ sv_setnv(sv,(double)gLastMacOSErr);
+ sv_setpv(sv, gLastMacOSErr ? GetSysErrText(gLastMacOSErr, msg) : "");
+ }
+#else
#ifdef VMS
{
# include <descrip.h>
#endif
#endif
#endif
+#endif
SvNOK_on(sv); /* what a wonderful hack! */
break;
case '\006': /* ^F */
sv_setiv(sv, (IV)PL_basetime);
#endif
break;
- case '\027': /* ^W & $^Warnings*/
+ case '\027': /* ^W & $^WARNING_BITS & ^WIDE_SYSTEM_CALLS */
if (*(mg->mg_ptr+1) == '\0')
sv_setiv(sv, (IV)((PL_dowarn & G_WARN_ON) ? TRUE : FALSE));
- else if (strEQ(mg->mg_ptr, "\027arnings")) {
+ else if (strEQ(mg->mg_ptr, "\027ARNING_BITS")) {
if (PL_compiling.cop_warnings == WARN_NONE ||
PL_compiling.cop_warnings == WARN_STD)
{
sv_setsv(sv, PL_compiling.cop_warnings);
}
}
+ else if (strEQ(mg->mg_ptr, "\027IDE_SYSTEM_CALLS"))
+ sv_setiv(sv, (IV)PL_widesyscalls);
break;
case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9': case '&':
PL_tainted = FALSE;
}
sv_setpvn(sv, s, i);
+ if ((PL_curpm->op_pmdynflags & PMdf_UTF8) && !IN_BYTE)
+ SvUTF8_on(sv);
+ else
+ SvUTF8_off(sv);
if (PL_tainting)
PL_tainted = (was_tainted || RX_MATCH_TAINTED(rx));
break;
int saveerrno = errno;
sv_setnv(sv, (NV)errno);
#ifdef OS2
- if (errno == errno_isOS2) sv_setpv(sv, os2error(Perl_rc));
+ if (errno == errno_isOS2 || errno == errno_isOS2_set)
+ sv_setpv(sv, os2error(Perl_rc));
else
#endif
sv_setpv(sv, errno ? Strerror(errno) : "");
break;
case '(':
sv_setiv(sv, (IV)PL_gid);
- Perl_sv_setpvf(aTHX_ sv, "%Vd", (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);
- Perl_sv_setpvf(aTHX_ sv, "%Vd", (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[NGROUPS];
i = getgroups(NGROUPS,gary);
while (--i >= 0)
- Perl_sv_catpvf(aTHX_ sv, " %Vd", (IV)gary[i]);
+ Perl_sv_catpvf(aTHX_ sv, " %"Gid_t_f, gary[i]);
}
#endif
SvIOK_on(sv); /* what a wonderful hack! */
break;
case '*':
break;
+#ifndef MACOS_TRADITIONAL
case '0':
break;
+#endif
#ifdef USE_THREADS
case '@':
sv_setsv(sv, thr->errsv);
#if defined(VMS)
Perl_die(aTHX_ "Can't make list assignment to %%ENV on this system");
#else
-# ifdef WIN32
+# ifdef PERL_IMPLICIT_SYS
+ PerlEnv_clearenv();
+# else
+# ifdef WIN32
char *envv = GetEnvironmentStrings();
char *cur = envv;
STRLEN len;
cur += len+1;
}
FreeEnvironmentStrings(envv);
-# else
-# ifdef CYGWIN
+# else
+# ifdef __CYGWIN__
I32 i;
for (i = 0; environ[i]; i++)
- Safefree(environ[i]);
-# else
-# ifndef PERL_USE_SAFE_PUTENV
+ safesysfree(environ[i]);
+# else
+# ifndef PERL_USE_SAFE_PUTENV
I32 i;
if (environ == PL_origenviron)
else
for (i = 0; environ[i]; i++)
safesysfree(environ[i]);
-# endif /* PERL_USE_SAFE_PUTENV */
-# endif /* CYGWIN */
+# endif /* PERL_USE_SAFE_PUTENV */
+# endif /* __CYGWIN__ */
environ[0] = Nullch;
-# endif /* WIN32 */
+# endif /* WIN32 */
+# endif /* PERL_IMPLICIT_SYS */
#endif /* VMS */
return 0;
}
else {
i = whichsig(s); /* ...no, a brick */
if (!i) {
- if (ckWARN(WARN_SIGNAL) || strEQ(s,"ALARM"))
+ if (ckWARN(WARN_SIGNAL))
Perl_warner(aTHX_ WARN_SIGNAL, "No such signal: SIG%s", s);
return 0;
}
Perl_magic_nextpack(pTHX_ SV *sv, MAGIC *mg, SV *key)
{
dSP;
- char *meth = SvOK(key) ? "NEXTKEY" : "FIRSTKEY";
+ const char *meth = SvOK(key) ? "NEXTKEY" : "FIRSTKEY";
ENTER;
SAVETMPS;
i = SvTRUE(sv);
svp = av_fetch(GvAV(gv),
atoi(MgPV(mg,n_a)), FALSE);
- if (svp && SvIOKp(*svp) && (o = (OP*)SvSTASH(*svp)))
+ if (svp && SvIOKp(*svp) && (o = INT2PTR(OP*,SvIVX(*svp))))
o->op_private = i;
else if (ckWARN_d(WARN_INTERNAL))
Perl_warner(aTHX_ WARN_INTERNAL, "Can't break at that line\n");
if (mg && mg->mg_len >= 0) {
dTHR;
I32 i = mg->mg_len;
- if (IN_UTF8)
+ if (DO_UTF8(lsv))
sv_pos_b2u(lsv, &i);
sv_setiv(sv, i + PL_curcop->cop_arybase);
return 0;
SV* lsv = LvTARG(sv);
SSize_t pos;
STRLEN len;
- STRLEN ulen;
+ STRLEN ulen = 0;
dTHR;
mg = 0;
pos = SvIV(sv) - PL_curcop->cop_arybase;
- if (IN_UTF8) {
+ if (DO_UTF8(lsv)) {
ulen = sv_len_utf8(lsv);
if (ulen)
len = ulen;
- else
- ulen = 0;
}
if (pos < 0) {
DEBUG_x(dump_all());
break;
case '\005': /* ^E */
-#ifdef VMS
- set_vaxc_errno(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
+#ifdef MACOS_TRADITIONAL
+ gLastMacOSErr = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
#else
-# ifdef WIN32
- SetLastError( SvIV(sv) );
+# ifdef VMS
+ set_vaxc_errno(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
# else
-# ifndef OS2
+# ifdef WIN32
+ SetLastError( SvIV(sv) );
+# else
+# ifndef OS2
/* will anyone ever use this? */
SETERRNO(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv), 4);
+# endif
# endif
# endif
#endif
PL_basetime = (Time_t)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv));
#endif
break;
- case '\027': /* ^W & $^Warnings */
+ case '\027': /* ^W & $^WARNING_BITS & ^WIDE_SYSTEM_CALLS */
if (*(mg->mg_ptr+1) == '\0') {
if ( ! (PL_dowarn & G_WARN_ALL_MASK)) {
i = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv);
| (i ? G_WARN_ON : G_WARN_OFF) ;
}
}
- else if (strEQ(mg->mg_ptr, "\027arnings")) {
+ else if (strEQ(mg->mg_ptr, "\027ARNING_BITS")) {
if ( ! (PL_dowarn & G_WARN_ALL_MASK)) {
+ if (!SvPOK(sv) && PL_localizing) {
+ sv_setpvn(sv, WARN_NONEstring, WARNsize);
+ PL_compiling.cop_warnings = WARN_NONE;
+ break;
+ }
if (memEQ(SvPVX(sv), WARN_ALLstring, WARNsize)) {
PL_compiling.cop_warnings = WARN_ALL;
PL_dowarn |= G_WARN_ONCE ;
PL_dowarn |= G_WARN_ONCE ;
}
}
- }
+ }
+ else if (strEQ(mg->mg_ptr, "\027IDE_SYSTEM_CALLS"))
+ PL_widesyscalls = SvTRUE(sv);
break;
case '.':
if (PL_localizing) {
if (PL_localizing == 1)
- save_sptr((SV**)&PL_last_in_gv);
+ SAVESPTR(PL_last_in_gv);
}
else if (SvOK(sv) && GvIO(PL_last_in_gv))
IoLINES(GvIOp(PL_last_in_gv)) = (long)SvIV(sv);
case '\\':
if (PL_ors)
Safefree(PL_ors);
- if (SvOK(sv) || SvGMAGICAL(sv))
- PL_ors = savepv(SvPV(sv,PL_orslen));
+ if (SvOK(sv) || SvGMAGICAL(sv)) {
+ s = SvPV(sv,PL_orslen);
+ PL_ors = savepvn(s,PL_orslen);
+ }
else {
PL_ors = Nullch;
PL_orslen = 0;
case ':':
PL_chopset = SvPV_force(sv,len);
break;
+#ifndef MACOS_TRADITIONAL
case '0':
if (!PL_origalen) {
s = PL_origargv[0];
PL_origargv[i] = Nullch;
}
break;
+#endif
#ifdef USE_THREADS
case '@':
sv_setsv(thr->errsv, sv);
Perl_magic_mutexfree(pTHX_ SV *sv, MAGIC *mg)
{
dTHR;
- DEBUG_S(PerlIO_printf(Perl_debug_log, "0x%lx: magic_mutexfree 0x%lx\n",
- (unsigned long)thr, (unsigned long)sv);)
+ DEBUG_S(PerlIO_printf(Perl_debug_log,
+ "0x%"UVxf": magic_mutexfree 0x%"UVxf"\n",
+ PTR2UV(thr), PTR2UV(sv));)
if (MgOWNER(mg))
Perl_croak(aTHX_ "panic: magic_mutexfree");
MUTEX_DESTROY(MgMUTEXP(mg));
if (flags & 1) {
PL_savestack_ix += 5; /* Protect save in progress. */
o_save_i = PL_savestack_ix;
- SAVEDESTRUCTOR(unwind_handler_stack, (void*)&flags);
+ SAVEDESTRUCTOR_X(unwind_handler_stack, (void*)&flags);
}
if (flags & 4)
PL_markstack_ptr++; /* Protect mark. */
#ifdef PERL_OBJECT
-#define NO_XSLOCKS
#include "XSUB.h"
#endif
restore_magic(pTHXo_ void *p)
{
dTHR;
- MGS* mgs = SSPTR((I32)p, MGS*);
+ MGS* mgs = SSPTR(PTR2IV(p), MGS*);
SV* sv = mgs->mgs_sv;
if (!sv)
if (PL_savestack_ix == mgs->mgs_ss_ix)
{
I32 popval = SSPOPINT;
- assert(popval == SAVEt_DESTRUCTOR);
+ assert(popval == SAVEt_DESTRUCTOR_X);
PL_savestack_ix -= 2;
popval = SSPOPINT;
assert(popval == SAVEt_ALLOC);
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