-/* $RCSfile: sv.c,v $$Revision: 4.1 $$Date: 92/08/07 18:26:45 $
+/* sv.c
*
- * Copyright (c) 1991, Larry Wall
+ * Copyright (c) 1991-1994, 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.
*
- * $Log: sv.c,v $
- * Revision 4.1 92/08/07 18:26:45 lwall
- *
- * Revision 4.0.1.6 92/06/11 21:14:21 lwall
- * patch34: quotes containing subscripts containing variables didn't parse right
- *
- * Revision 4.0.1.5 92/06/08 15:40:43 lwall
- * patch20: removed implicit int declarations on functions
- * patch20: Perl now distinguishes overlapped copies from non-overlapped
- * patch20: paragraph mode now skips extra newlines automatically
- * patch20: fixed memory leak in doube-quote interpretation
- * patch20: made /\$$foo/ look for literal '$foo'
- * patch20: "$var{$foo'bar}" didn't scan subscript correctly
- * patch20: a splice on non-existent array elements could dump core
- * patch20: running taintperl explicitly now does checks even if $< == $>
- *
- * Revision 4.0.1.4 91/11/05 18:40:51 lwall
- * patch11: $foo .= <BAR> could overrun malloced memory
- * patch11: \$ didn't always make it through double-quoter to regexp routines
- * patch11: prepared for ctype implementations that don't define isascii()
- *
- * Revision 4.0.1.3 91/06/10 01:27:54 lwall
- * patch10: $) and $| incorrectly handled in run-time patterns
- *
- * Revision 4.0.1.2 91/06/07 11:58:13 lwall
- * patch4: new copyright notice
- * patch4: taint check on undefined string could cause core dump
- *
- * Revision 4.0.1.1 91/04/12 09:15:30 lwall
- * patch1: fixed undefined environ problem
- * patch1: substr($ENV{"PATH"},0,0) = "/foo:" didn't modify environment
- * patch1: $foo .= <BAR> could cause core dump for certain lengths of $foo
- *
- * Revision 4.0 91/03/20 01:39:55 lwall
- * 4.0 baseline.
- *
+ */
+
+/*
+ * "I wonder what the Entish is for 'yes' and 'no'," he thought.
*/
#include "EXTERN.h"
#include "perl.h"
-#include "perly.h"
-static void ucase();
-static void lcase();
+#ifdef OVR_DBL_DIG
+/* Use an overridden DBL_DIG */
+# ifdef DBL_DIG
+# undef DBL_DIG
+# endif
+# define DBL_DIG OVR_DBL_DIG
+#else
+/* The following is all to get DBL_DIG, in order to pick a nice
+ default value for printing floating point numbers in Gconvert.
+ (see config.h)
+*/
+#ifdef I_LIMITS
+#include <limits.h>
+#endif
+#ifdef I_FLOAT
+#include <float.h>
+#endif
+#ifndef HAS_DBL_DIG
+#define DBL_DIG 15 /* A guess that works lots of places */
+#endif
+#endif
+
+#if defined(USE_STDIO_PTR) && defined(STDIO_PTR_LVALUE) && defined(STDIO_CNT_LVALUE)
+# define FAST_SV_GETS
+#endif
-static SV* more_sv();
+static SV *more_sv _((void));
+static XPVIV *more_xiv _((void));
+static XPVNV *more_xnv _((void));
+static XPV *more_xpv _((void));
+static XRV *more_xrv _((void));
+static SV *new_sv _((void));
+static XPVIV *new_xiv _((void));
+static XPVNV *new_xnv _((void));
+static XPV *new_xpv _((void));
+static XRV *new_xrv _((void));
+static void del_xiv _((XPVIV* p));
+static void del_xnv _((XPVNV* p));
+static void del_xpv _((XPV* p));
+static void del_xrv _((XRV* p));
+static void sv_mortalgrow _((void));
+
+static void sv_unglob _((SV* sv));
+
+#ifdef PURIFY
+
+#define new_SV() sv = (SV*)safemalloc(sizeof(SV))
+#define del_SV(p) free((char*)p)
+
+void
+sv_add_arena(ptr, size, flags)
+char* ptr;
+U32 size;
+U32 flags;
+{
+ if (!(flags & SVf_FAKE))
+ free(ptr);
+}
+
+#else
+
+#define new_SV() \
+ if (sv_root) { \
+ sv = sv_root; \
+ sv_root = (SV*)SvANY(sv); \
+ ++sv_count; \
+ } \
+ else \
+ sv = more_sv();
static SV*
new_sv()
return more_sv();
}
+#ifdef DEBUGGING
+#define del_SV(p) \
+ if (debug & 32768) \
+ del_sv(p); \
+ else { \
+ SvANY(p) = (void *)sv_root; \
+ sv_root = p; \
+ --sv_count; \
+ }
+
static void
del_sv(p)
SV* p;
{
- SvANY(p) = sv_root;
+ if (debug & 32768) {
+ SV* sva;
+ SV* sv;
+ SV* svend;
+ int ok = 0;
+ for (sva = sv_arenaroot; sva; sva = (SV *) SvANY(sva)) {
+ sv = sva + 1;
+ svend = &sva[SvREFCNT(sva)];
+ if (p >= sv && p < svend)
+ ok = 1;
+ }
+ if (!ok) {
+ warn("Attempt to free non-arena SV: 0x%lx", (unsigned long)p);
+ return;
+ }
+ }
+ SvANY(p) = (void *) sv_root;
sv_root = p;
--sv_count;
}
+#else
+#define del_SV(p) \
+ SvANY(p) = (void *)sv_root; \
+ sv_root = p; \
+ --sv_count;
-static SV*
-more_sv()
+#endif
+
+void
+sv_add_arena(ptr, size, flags)
+char* ptr;
+U32 size;
+U32 flags;
{
- register int i;
+ SV* sva = (SV*)ptr;
register SV* sv;
register SV* svend;
- sv_root = (SV*)safemalloc(1012);
- sv = sv_root;
- Zero(sv, 1012, char);
- svend = &sv[1008 / sizeof(SV) - 1];
+ Zero(sva, size, char);
+
+ /* The first SV in an arena isn't an SV. */
+ SvANY(sva) = (void *) sv_arenaroot; /* ptr to next arena */
+ SvREFCNT(sva) = size / sizeof(SV); /* number of SV slots */
+ SvFLAGS(sva) = flags; /* FAKE if not to be freed */
+
+ sv_arenaroot = sva;
+ sv_root = sva + 1;
+
+ svend = &sva[SvREFCNT(sva) - 1];
+ sv = sva + 1;
while (sv < svend) {
- SvANY(sv) = (SV*)(sv + 1);
+ SvANY(sv) = (void *)(SV*)(sv + 1);
SvFLAGS(sv) = SVTYPEMASK;
sv++;
}
SvANY(sv) = 0;
- sv++;
- SvANY(sv) = sv_arenaroot;
- sv_arenaroot = sv_root;
+ SvFLAGS(sv) = SVTYPEMASK;
+}
+
+static SV*
+more_sv()
+{
+ if (nice_chunk) {
+ sv_add_arena(nice_chunk, nice_chunk_size, 0);
+ nice_chunk = Nullch;
+ }
+ else
+ sv_add_arena(safemalloc(1008), 1008, 0);
return new_sv();
}
+#endif
void
sv_report_used()
{
+ SV* sva;
SV* sv;
register SV* svend;
- for (sv = sv_arenaroot; sv; sv = SvANY(sv)) {
- svend = &sv[1008 / sizeof(SV)];
+ for (sva = sv_arenaroot; sva; sva = (SV *) SvANY(sva)) {
+ sv = sva + 1;
+ svend = &sva[SvREFCNT(sva)];
while (sv < svend) {
if (SvTYPE(sv) != SVTYPEMASK) {
fprintf(stderr, "****\n");
}
void
-sv_clean_refs()
+sv_clean_objs()
{
+ SV* sva;
register SV* sv;
register SV* svend;
+ SV* rv;
- for (sv = sv_arenaroot; sv; sv = SvANY(sv)) {
- svend = &sv[1008 / sizeof(SV)];
+ for (sva = sv_arenaroot; sva; sva = (SV *) SvANY(sva)) {
+ sv = sva + 1;
+ svend = &sva[SvREFCNT(sva)];
while (sv < svend) {
- if (SvREFCNT(sv) == 1 && SvROK(sv)) {
- DEBUG_D((fprintf(stderr, "Cleaning ref:\n "), sv_dump(sv));)
- SvFLAGS(SvRV(sv)) |= SVf_BREAK;
- SvFLAGS(sv) |= SVf_BREAK;
- SvREFCNT_dec(sv);
- assert(sv_root == sv);
- sv_root = (SV*)SvANY(sv); /* MUST NOT REUSE */
+ if (SvROK(sv) && SvOBJECT(rv = SvRV(sv))) {
+ DEBUG_D((fprintf(stderr, "Cleaning object ref:\n "),
+ sv_dump(sv));)
+ SvROK_off(sv);
+ SvRV(sv) = 0;
+ SvREFCNT_dec(rv);
}
+ /* XXX Might want to check arrays, etc. */
++sv;
}
}
void
sv_clean_all()
{
+ SV* sva;
register SV* sv;
register SV* svend;
- for (sv = sv_arenaroot; sv; sv = SvANY(sv)) {
- svend = &sv[1008 / sizeof(SV)];
+ for (sva = sv_arenaroot; sva; sva = (SV*) SvANY(sva)) {
+ sv = sva + 1;
+ svend = &sva[SvREFCNT(sva)];
while (sv < svend) {
if (SvTYPE(sv) != SVTYPEMASK) {
DEBUG_D((fprintf(stderr, "Cleaning loops:\n "), sv_dump(sv));)
}
}
-static XPVIV* more_xiv();
+void
+sv_free_arenas()
+{
+ SV* sva;
+ SV* svanext;
+
+ /* Free arenas here, but be careful about fake ones. (We assume
+ contiguity of the fake ones with the corresponding real ones.) */
+
+ for (sva = sv_arenaroot; sva; sva = svanext) {
+ svanext = (SV*) SvANY(sva);
+ while (svanext && SvFAKE(svanext))
+ svanext = (SV*) SvANY(svanext);
+
+ if (!SvFAKE(sva))
+ Safefree(sva);
+ }
+}
static XPVIV*
new_xiv()
{
- I32** xiv;
+ IV** xiv;
if (xiv_root) {
xiv = xiv_root;
/*
* See comment in more_xiv() -- RAM.
*/
- xiv_root = (I32**)*xiv;
+ xiv_root = (IV**)*xiv;
return (XPVIV*)((char*)xiv - sizeof(XPV));
}
return more_xiv();
del_xiv(p)
XPVIV* p;
{
- I32** xiv = (I32**)((char*)(p) + sizeof(XPV));
- *xiv = (I32 *)xiv_root;
+ IV** xiv = (IV**)((char*)(p) + sizeof(XPV));
+ *xiv = (IV *)xiv_root;
xiv_root = xiv;
}
static XPVIV*
more_xiv()
{
- register I32** xiv;
- register I32** xivend;
- xiv = (I32**)safemalloc(1008);
- xivend = &xiv[1008 / sizeof(I32 *) - 1];
- xiv += (sizeof(XPV) - 1) / sizeof(I32 *) + 1; /* fudge by size of XPV */
+ register IV** xiv;
+ register IV** xivend;
+ XPV* ptr = (XPV*)safemalloc(1008);
+ ptr->xpv_pv = (char*)xiv_arenaroot; /* linked list of xiv arenas */
+ xiv_arenaroot = ptr; /* to keep Purify happy */
+
+ xiv = (IV**) ptr;
+ xivend = &xiv[1008 / sizeof(IV *) - 1];
+ xiv += (sizeof(XPV) - 1) / sizeof(IV *) + 1; /* fudge by size of XPV */
xiv_root = xiv;
while (xiv < xivend) {
- *xiv = (I32 *)(xiv + 1);
+ *xiv = (IV *)(xiv + 1);
xiv++;
}
*xiv = 0;
return new_xiv();
}
-static XPVNV* more_xnv();
-
static XPVNV*
new_xnv()
{
static XPVNV*
more_xnv()
{
- register int i;
register double* xnv;
register double* xnvend;
xnv = (double*)safemalloc(1008);
return new_xnv();
}
-static XRV* more_xrv();
-
static XRV*
new_xrv()
{
static XRV*
more_xrv()
{
- register int i;
register XRV* xrv;
register XRV* xrvend;
xrv_root = (XRV*)safemalloc(1008);
return new_xrv();
}
-static XPV* more_xpv();
-
static XPV*
new_xpv()
{
static XPV*
more_xpv()
{
- register int i;
register XPV* xpv;
register XPV* xpvend;
xpv_root = (XPV*)safemalloc(1008);
}
#ifdef PURIFY
-
-#define new_SV() sv = (SV*)safemalloc(sizeof(SV))
-#define del_SV(p) free((char*)p)
-
-#else
-
-#define new_SV() \
- if (sv_root) { \
- sv = sv_root; \
- sv_root = (SV*)SvANY(sv); \
- ++sv_count; \
- } \
- else \
- sv = more_sv();
-#define del_SV(p) \
- SvANY(p) = sv_root; \
- sv_root = p; \
- --sv_count;
-
-#endif
-
-#ifdef PURIFY
#define new_XIV() (void*)safemalloc(sizeof(XPVIV))
#define del_XIV(p) free((char*)p)
#else
char* pv;
U32 cur;
U32 len;
- I32 iv;
+ IV iv;
double nv;
MAGIC* magic;
HV* stash;
pv = (char*)SvRV(sv);
cur = 0;
len = 0;
- iv = (I32)pv;
+ iv = (IV)pv;
nv = (double)(unsigned long)pv;
del_XRV(SvANY(sv));
magic = 0;
magic = 0;
stash = 0;
del_XPV(SvANY(sv));
+ if (mt <= SVt_IV)
+ mt = SVt_PVIV;
+ else if (mt == SVt_NV)
+ mt = SVt_PVNV;
break;
case SVt_PVIV:
nv = 0.0;
case SVt_RV:
SvANY(sv) = new_XRV();
SvRV(sv) = (SV*)pv;
- SvOK_on(sv);
break;
case SVt_PV:
SvANY(sv) = new_XPV();
SvLEN(sv) = len;
SvIVX(sv) = iv;
if (SvNIOK(sv))
- SvIOK_on(sv);
+ (void)SvIOK_on(sv);
SvNOK_off(sv);
break;
case SVt_PVNV:
break;
case SVt_PVCV:
SvANY(sv) = new_XPVCV();
+ Zero(SvANY(sv), 1, XPVCV);
SvPVX(sv) = pv;
SvCUR(sv) = cur;
SvLEN(sv) = len;
SvNVX(sv) = nv;
SvMAGIC(sv) = magic;
SvSTASH(sv) = stash;
- CvSTASH(sv) = 0;
- CvSTART(sv) = 0;
- CvROOT(sv) = 0;
- CvUSERSUB(sv) = 0;
- CvUSERINDEX(sv) = 0;
- CvFILEGV(sv) = 0;
- CvDEPTH(sv) = 0;
- CvPADLIST(sv) = 0;
- CvDELETED(sv) = 0;
break;
case SVt_PVGV:
SvANY(sv) = new_XPVGV();
break;
case SVt_PVFM:
SvANY(sv) = new_XPVFM();
+ Zero(SvANY(sv), 1, XPVFM);
SvPVX(sv) = pv;
SvCUR(sv) = cur;
SvLEN(sv) = len;
SvNVX(sv) = nv;
SvMAGIC(sv) = magic;
SvSTASH(sv) = stash;
- FmLINES(sv) = 0;
break;
case SVt_PVIO:
SvANY(sv) = new_XPVIO();
+ Zero(SvANY(sv), 1, XPVIO);
SvPVX(sv) = pv;
SvCUR(sv) = cur;
SvLEN(sv) = len;
SvNVX(sv) = nv;
SvMAGIC(sv) = magic;
SvSTASH(sv) = stash;
- IoIFP(sv) = 0;
- IoOFP(sv) = 0;
- IoDIRP(sv) = 0;
- IoLINES(sv) = 0;
- IoPAGE(sv) = 0;
IoPAGE_LEN(sv) = 60;
- IoLINES_LEFT(sv)= 0;
- IoTOP_NAME(sv) = 0;
- IoTOP_GV(sv) = 0;
- IoFMT_NAME(sv) = 0;
- IoFMT_GV(sv) = 0;
- IoBOTTOM_NAME(sv)= 0;
- IoBOTTOM_GV(sv) = 0;
- IoSUBPROCESS(sv)= 0;
- IoTYPE(sv) = 0;
- IoFLAGS(sv) = 0;
break;
}
SvFLAGS(sv) &= ~SVTYPEMASK;
return TRUE;
}
+#ifdef DEBUGGING
char *
sv_peek(sv)
register SV *sv;
{
char *t = tokenbuf;
- *t = '\0';
+ int unref = 0;
retry:
if (!sv) {
strcpy(t, "VOID");
- return tokenbuf;
+ goto finish;
}
else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') {
strcpy(t, "WILD");
- return tokenbuf;
+ goto finish;
+ }
+ else if (sv == &sv_undef || sv == &sv_no || sv == &sv_yes) {
+ if (sv == &sv_undef) {
+ strcpy(t, "SV_UNDEF");
+ if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT|
+ SVs_GMG|SVs_SMG|SVs_RMG)) &&
+ SvREADONLY(sv))
+ goto finish;
+ }
+ else if (sv == &sv_no) {
+ strcpy(t, "SV_NO");
+ if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
+ SVs_GMG|SVs_SMG|SVs_RMG)) &&
+ !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
+ SVp_POK|SVp_NOK)) &&
+ SvCUR(sv) == 0 &&
+ SvNVX(sv) == 0.0)
+ goto finish;
+ }
+ else {
+ strcpy(t, "SV_YES");
+ if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
+ SVs_GMG|SVs_SMG|SVs_RMG)) &&
+ !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
+ SVp_POK|SVp_NOK)) &&
+ SvCUR(sv) == 1 &&
+ SvPVX(sv) && *SvPVX(sv) == '1' &&
+ SvNVX(sv) == 1.0)
+ goto finish;
+ }
+ t += strlen(t);
+ *t++ = ':';
}
- else if (SvREFCNT(sv) == 0 && !SvREADONLY(sv)) {
- strcpy(t, "UNREF");
- return tokenbuf;
+ else if (SvREFCNT(sv) == 0) {
+ *t++ = '(';
+ unref++;
}
- else {
- switch (SvTYPE(sv)) {
- default:
- strcpy(t,"FREED");
- return tokenbuf;
- break;
-
- case SVt_NULL:
- strcpy(t,"UNDEF");
- return tokenbuf;
- case SVt_IV:
- strcpy(t,"IV");
- break;
- case SVt_NV:
- strcpy(t,"NV");
- break;
- case SVt_RV:
- *t++ = '\\';
- if (t - tokenbuf > 10) {
- strcpy(tokenbuf + 3,"...");
- return tokenbuf;
- }
- sv = (SV*)SvRV(sv);
- goto retry;
- case SVt_PV:
- strcpy(t,"PV");
- break;
- case SVt_PVIV:
- strcpy(t,"PVIV");
- break;
- case SVt_PVNV:
- strcpy(t,"PVNV");
- break;
- case SVt_PVMG:
- strcpy(t,"PVMG");
- break;
- case SVt_PVLV:
- strcpy(t,"PVLV");
- break;
- case SVt_PVAV:
- strcpy(t,"AV");
- break;
- case SVt_PVHV:
- strcpy(t,"HV");
- break;
- case SVt_PVCV:
- if (CvGV(sv))
- sprintf(t, "CV(%s)", GvNAME(CvGV(sv)));
- else
- strcpy(t, "CV()");
- return tokenbuf;
- case SVt_PVGV:
- strcpy(t,"GV");
- break;
- case SVt_PVBM:
- strcpy(t,"BM");
- break;
- case SVt_PVFM:
- strcpy(t,"FM");
- break;
- case SVt_PVIO:
- strcpy(t,"IO");
- break;
+ if (SvROK(sv)) {
+ *t++ = '\\';
+ if (t - tokenbuf + unref > 10) {
+ strcpy(tokenbuf + unref + 3,"...");
+ goto finish;
}
+ sv = (SV*)SvRV(sv);
+ goto retry;
+ }
+ switch (SvTYPE(sv)) {
+ default:
+ strcpy(t,"FREED");
+ goto finish;
+
+ case SVt_NULL:
+ strcpy(t,"UNDEF");
+ return tokenbuf;
+ case SVt_IV:
+ strcpy(t,"IV");
+ break;
+ case SVt_NV:
+ strcpy(t,"NV");
+ break;
+ case SVt_RV:
+ strcpy(t,"RV");
+ break;
+ case SVt_PV:
+ strcpy(t,"PV");
+ break;
+ case SVt_PVIV:
+ strcpy(t,"PVIV");
+ break;
+ case SVt_PVNV:
+ strcpy(t,"PVNV");
+ break;
+ case SVt_PVMG:
+ strcpy(t,"PVMG");
+ break;
+ case SVt_PVLV:
+ strcpy(t,"PVLV");
+ break;
+ case SVt_PVAV:
+ strcpy(t,"AV");
+ break;
+ case SVt_PVHV:
+ strcpy(t,"HV");
+ break;
+ case SVt_PVCV:
+ if (CvGV(sv))
+ sprintf(t, "CV(%s)", GvNAME(CvGV(sv)));
+ else
+ strcpy(t, "CV()");
+ goto finish;
+ case SVt_PVGV:
+ strcpy(t,"GV");
+ break;
+ case SVt_PVBM:
+ strcpy(t,"BM");
+ break;
+ case SVt_PVFM:
+ strcpy(t,"FM");
+ break;
+ case SVt_PVIO:
+ strcpy(t,"IO");
+ break;
}
t += strlen(t);
- if (SvPOK(sv)) {
+ if (SvPOKp(sv)) {
if (!SvPVX(sv))
- return "(null)";
+ strcpy(t, "(null)");
if (SvOOK(sv))
sprintf(t,"(%ld+\"%.127s\")",(long)SvIVX(sv),SvPVX(sv));
else
sprintf(t,"(\"%.127s\")",SvPVX(sv));
}
- else if (SvNOK(sv))
+ else if (SvNOKp(sv))
sprintf(t,"(%g)",SvNVX(sv));
- else if (SvIOK(sv))
+ else if (SvIOKp(sv))
sprintf(t,"(%ld)",(long)SvIVX(sv));
else
strcpy(t,"()");
+
+ finish:
+ if (unref) {
+ t += strlen(t);
+ while (unref--)
+ *t++ = ')';
+ *t = '\0';
+ }
return tokenbuf;
}
+#endif
int
sv_backoff(sv)
Move(s, SvPVX(sv), SvCUR(sv)+1, char);
}
SvFLAGS(sv) &= ~SVf_OOK;
+ return 0;
}
char *
my_exit(1);
}
#endif /* MSDOS */
- if (SvTHINKFIRST(sv)) {
- if (SvROK(sv))
- sv_unref(sv);
- }
+ if (SvROK(sv))
+ sv_unref(sv);
if (SvTYPE(sv) < SVt_PV) {
sv_upgrade(sv, SVt_PV);
s = SvPVX(sv);
void
sv_setiv(sv,i)
register SV *sv;
-I32 i;
+IV i;
{
if (SvTHINKFIRST(sv)) {
if (SvREADONLY(sv) && curcop != &compiling)
case SVt_PV:
sv_upgrade(sv, SVt_PVIV);
break;
+
+ case SVt_PVGV:
+ if (SvFAKE(sv)) {
+ sv_unglob(sv);
+ break;
+ }
+ /* FALL THROUGH */
+ case SVt_PVAV:
+ case SVt_PVHV:
+ case SVt_PVCV:
+ case SVt_PVFM:
+ case SVt_PVIO:
+ croak("Can't coerce %s to integer in %s", sv_reftype(sv,0),
+ op_name[op->op_type]);
}
SvIVX(sv) = i;
- SvIOK_only(sv); /* validate number */
+ (void)SvIOK_only(sv); /* validate number */
SvTAINT(sv);
}
if (SvROK(sv))
sv_unref(sv);
}
- if (SvTYPE(sv) < SVt_NV)
+ switch (SvTYPE(sv)) {
+ case SVt_NULL:
+ case SVt_IV:
sv_upgrade(sv, SVt_NV);
- else if (SvTYPE(sv) < SVt_PVNV)
+ break;
+ case SVt_NV:
+ case SVt_RV:
+ case SVt_PV:
+ case SVt_PVIV:
sv_upgrade(sv, SVt_PVNV);
- else if (SvPOK(sv)) {
- SvOOK_off(sv);
+ /* FALL THROUGH */
+ case SVt_PVNV:
+ case SVt_PVMG:
+ case SVt_PVBM:
+ case SVt_PVLV:
+ if (SvOOK(sv))
+ (void)SvOOK_off(sv);
+ break;
+ case SVt_PVGV:
+ if (SvFAKE(sv)) {
+ sv_unglob(sv);
+ break;
+ }
+ /* FALL THROUGH */
+ case SVt_PVAV:
+ case SVt_PVHV:
+ case SVt_PVCV:
+ case SVt_PVFM:
+ case SVt_PVIO:
+ croak("Can't coerce %s to number in %s", sv_reftype(sv,0),
+ op_name[op->op_type]);
}
SvNVX(sv) = num;
- SvNOK_only(sv); /* validate number */
+ (void)SvNOK_only(sv); /* validate number */
SvTAINT(sv);
}
-I32
+static void
+not_a_number(sv)
+SV *sv;
+{
+ char tmpbuf[64];
+ char *d = tmpbuf;
+ char *s;
+ int i;
+
+ for (s = SvPVX(sv), i = 50; *s && i; s++,i--) {
+ int ch = *s;
+ if (ch & 128 && !isprint(ch)) {
+ *d++ = 'M';
+ *d++ = '-';
+ ch &= 127;
+ }
+ if (isprint(ch))
+ *d++ = ch;
+ else {
+ *d++ = '^';
+ *d++ = ch ^ 64;
+ }
+ }
+ if (*s) {
+ *d++ = '.';
+ *d++ = '.';
+ *d++ = '.';
+ }
+ *d = '\0';
+
+ if (op)
+ warn("Argument \"%s\" isn't numeric in %s", tmpbuf,
+ op_name[op->op_type]);
+ else
+ warn("Argument \"%s\" isn't numeric", tmpbuf);
+}
+
+IV
sv_2iv(sv)
register SV *sv;
{
mg_get(sv);
if (SvIOKp(sv))
return SvIVX(sv);
- if (SvNOKp(sv))
- return (I32)SvNVX(sv);
- if (SvPOKp(sv) && SvLEN(sv))
- return (I32)atol(SvPVX(sv));
- return 0;
+ if (SvNOKp(sv)) {
+ if (SvNVX(sv) < 0.0)
+ return I_V(SvNVX(sv));
+ else
+ return (IV) U_V(SvNVX(sv));
+ }
+ if (SvPOKp(sv) && SvLEN(sv)) {
+ if (dowarn && !looks_like_number(sv))
+ not_a_number(sv);
+ return (IV)atol(SvPVX(sv));
+ }
+ if (!SvROK(sv)) {
+ return 0;
+ }
}
if (SvTHINKFIRST(sv)) {
- if (SvROK(sv))
- return (I32)SvRV(sv);
+ if (SvROK(sv)) {
+#ifdef OVERLOAD
+ SV* tmpstr;
+ if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer)))
+ return SvIV(tmpstr);
+#endif /* OVERLOAD */
+ return (IV)SvRV(sv);
+ }
if (SvREADONLY(sv)) {
- if (SvNOK(sv))
- return (I32)SvNVX(sv);
- if (SvPOK(sv) && SvLEN(sv))
- return (I32)atol(SvPVX(sv));
+ if (SvNOKp(sv)) {
+ if (SvNVX(sv) < 0.0)
+ return I_V(SvNVX(sv));
+ else
+ return (IV) U_V(SvNVX(sv));
+ }
+ if (SvPOKp(sv) && SvLEN(sv)) {
+ if (dowarn && !looks_like_number(sv))
+ not_a_number(sv);
+ return (IV)atol(SvPVX(sv));
+ }
if (dowarn)
warn(warn_uninit);
return 0;
sv_upgrade(sv, SVt_PVNV);
break;
}
- if (SvNOK(sv))
- SvIVX(sv) = (I32)SvNVX(sv);
- else if (SvPOK(sv) && SvLEN(sv)) {
- if (dowarn && !looks_like_number(sv)) {
- if (op)
- warn("Argument wasn't numeric for \"%s\"",op_name[op->op_type]);
- else
- warn("Argument wasn't numeric");
- }
- SvIVX(sv) = (I32)atol(SvPVX(sv));
+ if (SvNOKp(sv)) {
+ if (SvNVX(sv) < 0.0)
+ SvIVX(sv) = I_V(SvNVX(sv));
+ else
+ SvIVX(sv) = (IV) U_V(SvNVX(sv));
+ }
+ else if (SvPOKp(sv) && SvLEN(sv)) {
+ if (dowarn && !looks_like_number(sv))
+ not_a_number(sv);
+ SvIVX(sv) = (IV)atol(SvPVX(sv));
}
else {
- if (dowarn)
+ if (dowarn && !localizing)
warn(warn_uninit);
- SvUPGRADE(sv, SVt_IV);
- SvIVX(sv) = 0;
+ return 0;
}
- SvIOK_on(sv);
- DEBUG_c((stderr,"0x%lx 2iv(%ld)\n",sv,(long)SvIVX(sv)));
+ (void)SvIOK_on(sv);
+ DEBUG_c(fprintf(stderr,"0x%lx 2iv(%ld)\n",
+ (unsigned long)sv,(long)SvIVX(sv)));
return SvIVX(sv);
}
mg_get(sv);
if (SvNOKp(sv))
return SvNVX(sv);
- if (SvPOKp(sv) && SvLEN(sv))
+ if (SvPOKp(sv) && SvLEN(sv)) {
+ if (dowarn && !SvIOKp(sv) && !looks_like_number(sv))
+ not_a_number(sv);
return atof(SvPVX(sv));
+ }
if (SvIOKp(sv))
return (double)SvIVX(sv);
- return 0;
+ if (!SvROK(sv)) {
+ return 0;
+ }
}
if (SvTHINKFIRST(sv)) {
- if (SvROK(sv))
- return (double)(unsigned long)SvRV(sv);
+ if (SvROK(sv)) {
+#ifdef OVERLOAD
+ SV* tmpstr;
+ if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,numer)))
+ return SvNV(tmpstr);
+#endif /* OVERLOAD */
+ return (double)(unsigned long)SvRV(sv);
+ }
if (SvREADONLY(sv)) {
- if (SvPOK(sv) && SvLEN(sv))
+ if (SvPOKp(sv) && SvLEN(sv)) {
+ if (dowarn && !SvIOKp(sv) && !looks_like_number(sv))
+ not_a_number(sv);
return atof(SvPVX(sv));
- if (SvIOK(sv))
+ }
+ if (SvIOKp(sv))
return (double)SvIVX(sv);
if (dowarn)
warn(warn_uninit);
sv_upgrade(sv, SVt_PVNV);
else
sv_upgrade(sv, SVt_NV);
- DEBUG_c((stderr,"0x%lx num(%g)\n",sv,SvNVX(sv)));
+ DEBUG_c(fprintf(stderr,"0x%lx num(%g)\n",(unsigned long)sv,SvNVX(sv)));
}
else if (SvTYPE(sv) < SVt_PVNV)
sv_upgrade(sv, SVt_PVNV);
- if (SvIOK(sv) &&
- (!SvPOK(sv) || !strchr(SvPVX(sv),'.') || !looks_like_number(sv)))
+ if (SvIOKp(sv) &&
+ (!SvPOKp(sv) || !strchr(SvPVX(sv),'.') || !looks_like_number(sv)))
{
SvNVX(sv) = (double)SvIVX(sv);
}
- else if (SvPOK(sv) && SvLEN(sv)) {
- if (dowarn && !SvIOK(sv) && !looks_like_number(sv)) {
- if (op)
- warn("Argument wasn't numeric for \"%s\"",op_name[op->op_type]);
- else
- warn("Argument wasn't numeric");
- }
+ else if (SvPOKp(sv) && SvLEN(sv)) {
+ if (dowarn && !SvIOKp(sv) && !looks_like_number(sv))
+ not_a_number(sv);
SvNVX(sv) = atof(SvPVX(sv));
}
else {
- if (dowarn)
+ if (dowarn && !localizing)
warn(warn_uninit);
- SvNVX(sv) = 0.0;
+ return 0.0;
}
SvNOK_on(sv);
- DEBUG_c((stderr,"0x%lx 2nv(%g)\n",sv,SvNVX(sv)));
+ DEBUG_c(fprintf(stderr,"0x%lx 2nv(%g)\n",(unsigned long)sv,SvNVX(sv)));
return SvNVX(sv);
}
return SvPVX(sv);
}
if (SvIOKp(sv)) {
- (void)sprintf(tokenbuf,"%ld",SvIVX(sv));
- *lp = strlen(tokenbuf);
- return tokenbuf;
+ (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv));
+ goto tokensave;
}
if (SvNOKp(sv)) {
- (void)sprintf(tokenbuf,"%.20g",SvNVX(sv));
- *lp = strlen(tokenbuf);
- return tokenbuf;
+ Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf);
+ goto tokensave;
}
- *lp = 0;
- return "";
+ if (!SvROK(sv)) {
+ *lp = 0;
+ return "";
+ }
}
if (SvTHINKFIRST(sv)) {
if (SvROK(sv)) {
+#ifdef OVERLOAD
+ SV* tmpstr;
+ if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,string)))
+ return SvPV(tmpstr,*lp);
+#endif /* OVERLOAD */
sv = (SV*)SvRV(sv);
if (!sv)
s = "NULLREF";
HvNAME(SvSTASH(sv)), s, (unsigned long)sv);
else
sprintf(tokenbuf, "%s(0x%lx)", s, (unsigned long)sv);
- s = tokenbuf;
+ goto tokensaveref;
}
*lp = strlen(s);
return s;
}
if (SvREADONLY(sv)) {
- if (SvIOK(sv)) {
- (void)sprintf(tokenbuf,"%ld",SvIVX(sv));
- *lp = strlen(tokenbuf);
- return tokenbuf;
+ if (SvNOKp(sv)) {
+ Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf);
+ goto tokensave;
}
- if (SvNOK(sv)) {
- (void)sprintf(tokenbuf,"%.20g",SvNVX(sv));
- *lp = strlen(tokenbuf);
- return tokenbuf;
+ if (SvIOKp(sv)) {
+ (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv));
+ goto tokensave;
}
if (dowarn)
warn(warn_uninit);
}
if (!SvUPGRADE(sv, SVt_PV))
return 0;
- if (SvNOK(sv)) {
+ if (SvNOKp(sv)) {
if (SvTYPE(sv) < SVt_PVNV)
sv_upgrade(sv, SVt_PVNV);
SvGROW(sv, 28);
s = SvPVX(sv);
olderrno = errno; /* some Xenix systems wipe out errno here */
-#if defined(scs) && defined(ns32000)
- gcvt(SvNVX(sv),20,s);
-#else
#ifdef apollo
if (SvNVX(sv) == 0.0)
(void)strcpy(s,"0");
else
#endif /*apollo*/
- (void)sprintf(s,"%.20g",SvNVX(sv));
-#endif /*scs*/
+ Gconvert(SvNVX(sv), DBL_DIG, 0, s);
errno = olderrno;
+#ifdef FIXNEGATIVEZERO
+ if (*s == '-' && s[1] == '0' && !s[2])
+ strcpy(s,"0");
+#endif
while (*s) s++;
#ifdef hcx
if (s[-1] == '.')
s--;
#endif
}
- else if (SvIOK(sv)) {
+ else if (SvIOKp(sv)) {
if (SvTYPE(sv) < SVt_PVIV)
sv_upgrade(sv, SVt_PVIV);
SvGROW(sv, 11);
s = SvPVX(sv);
olderrno = errno; /* some Xenix systems wipe out errno here */
- (void)sprintf(s,"%ld",SvIVX(sv));
+ (void)sprintf(s,"%ld",(long)SvIVX(sv));
errno = olderrno;
while (*s) s++;
}
else {
- if (dowarn)
+ if (dowarn && !localizing)
warn(warn_uninit);
- sv_grow(sv, 1);
- s = SvPVX(sv);
+ *lp = 0;
+ return "";
}
*s = '\0';
*lp = s - SvPVX(sv);
SvCUR_set(sv, *lp);
SvPOK_on(sv);
- DEBUG_c((stderr,"0x%lx 2pv(%s)\n",sv,SvPVX(sv)));
+ DEBUG_c(fprintf(stderr,"0x%lx 2pv(%s)\n",(unsigned long)sv,SvPVX(sv)));
return SvPVX(sv);
+
+ tokensave:
+ if (SvROK(sv)) { /* XXX Skip this when sv_pvn_force calls */
+ /* Sneaky stuff here */
+
+ tokensaveref:
+ sv = sv_newmortal();
+ *lp = strlen(tokenbuf);
+ sv_setpvn(sv, tokenbuf, *lp);
+ return SvPVX(sv);
+ }
+ else {
+ STRLEN len;
+
+#ifdef FIXNEGATIVEZERO
+ if (*tokenbuf == '-' && tokenbuf[1] == '0' && !tokenbuf[2])
+ strcpy(tokenbuf,"0");
+#endif
+ (void)SvUPGRADE(sv, SVt_PV);
+ len = *lp = strlen(tokenbuf);
+ s = SvGROW(sv, len + 1);
+ SvCUR_set(sv, len);
+ (void)strcpy(s, tokenbuf);
+ /* NO SvPOK_on(sv) here! */
+ return s;
+ }
}
/* This function is only called on magical items */
if (SvGMAGICAL(sv))
mg_get(sv);
- if (SvROK(sv))
- return SvRV(sv) != 0;
+ if (!SvOK(sv))
+ return 0;
+ if (SvROK(sv)) {
+#ifdef OVERLOAD
+ {
+ SV* tmpsv;
+ if (SvAMAGIC(sv) && (tmpsv = AMG_CALLun(sv,bool_)))
+ return SvTRUE(tmpsv);
+ }
+#endif /* OVERLOAD */
+ return SvRV(sv) != 0;
+ }
if (SvPOKp(sv)) {
register XPV* Xpv;
if ((Xpv = (XPV*)SvANY(sv)) &&
stype = SvTYPE(sstr);
dtype = SvTYPE(dstr);
+ if (dtype == SVt_PVGV && (SvFLAGS(dstr) & SVf_FAKE)) {
+ sv_unglob(dstr); /* so fake GLOB won't perpetuate */
+ sv_setpvn(dstr, "", 0);
+ (void)SvPOK_only(dstr);
+ dtype = SvTYPE(dstr);
+ }
+
+#ifdef OVERLOAD
+ SvAMAGIC_off(dstr);
+#endif /* OVERLOAD */
/* There's a lot of redundancy below but we're going for speed here */
switch (stype) {
case SVt_NULL:
- SvOK_off(dstr);
+ (void)SvOK_off(dstr);
return;
case SVt_IV:
if (dtype <= SVt_PV) {
if (dtype < SVt_IV)
sv_upgrade(dstr, SVt_IV);
- else if (dtype == SVt_PV)
- sv_upgrade(dstr, SVt_PVIV);
else if (dtype == SVt_NV)
sv_upgrade(dstr, SVt_PVNV);
+ else if (dtype <= SVt_PV)
+ sv_upgrade(dstr, SVt_PVIV);
}
break;
case SVt_NV:
if (dtype <= SVt_PVIV) {
if (dtype < SVt_NV)
sv_upgrade(dstr, SVt_NV);
- else if (dtype == SVt_PV)
- sv_upgrade(dstr, SVt_PVNV);
else if (dtype == SVt_PVIV)
sv_upgrade(dstr, SVt_PVNV);
+ else if (dtype <= SVt_PV)
+ sv_upgrade(dstr, SVt_PVNV);
}
break;
case SVt_RV:
if (dtype < SVt_RV)
sv_upgrade(dstr, SVt_RV);
+ else if (dtype == SVt_PVGV &&
+ SvTYPE(SvRV(sstr)) == SVt_PVGV) {
+ sstr = SvRV(sstr);
+ goto glob_assign;
+ }
break;
case SVt_PV:
if (dtype < SVt_PV)
if (dtype < SVt_PVNV)
sv_upgrade(dstr, SVt_PVNV);
break;
+
+ case SVt_PVLV:
+ sv_upgrade(dstr, SVt_PVNV);
+ break;
+
+ case SVt_PVAV:
+ case SVt_PVHV:
+ case SVt_PVCV:
+ case SVt_PVIO:
+ if (op)
+ croak("Bizarre copy of %s in %s", sv_reftype(sstr, 0),
+ op_name[op->op_type]);
+ else
+ croak("Bizarre copy of %s", sv_reftype(sstr, 0));
+ break;
+
case SVt_PVGV:
if (dtype <= SVt_PVGV) {
- if (dtype < SVt_PVGV)
+ glob_assign:
+ if (dtype == SVt_PVGV)
+ GvFLAGS(sstr) |= GVf_IMPORTED;
+ else {
+ char *name = GvNAME(sstr);
+ STRLEN len = GvNAMELEN(sstr);
sv_upgrade(dstr, SVt_PVGV);
- SvOK_off(dstr);
- if (!GvAV(sstr))
- gv_AVadd(sstr);
- if (!GvHV(sstr))
- gv_HVadd(sstr);
- if (!GvIO(sstr))
- GvIO(sstr) = newIO();
+ sv_magic(dstr, dstr, '*', name, len);
+ GvSTASH(dstr) = GvSTASH(sstr);
+ GvNAME(dstr) = savepvn(name, len);
+ GvNAMELEN(dstr) = len;
+ SvFAKE_on(dstr); /* can coerce to non-glob */
+ }
+ (void)SvOK_off(dstr);
if (GvGP(dstr))
gp_free(dstr);
GvGP(dstr) = gp_ref(GvGP(sstr));
SvTAINT(dstr);
+ GvFLAGS(dstr) &= ~GVf_INTRO; /* one-shot flag */
+ SvMULTI_on(dstr);
return;
}
/* FALL THROUGH */
if (dtype == SVt_PVGV) {
SV *sref = SvREFCNT_inc(SvRV(sstr));
SV *dref = 0;
- GP *oldgp = GvGP(dstr);
- GP *gp;
-
+ int intro = GvFLAGS(dstr) & GVf_INTRO;
+
+ if (intro) {
+ GP *gp;
+ GvGP(dstr)->gp_refcnt--;
+ Newz(602,gp, 1, GP);
+ GvGP(dstr) = gp;
+ GvREFCNT(dstr) = 1;
+ GvSV(dstr) = NEWSV(72,0);
+ GvLINE(dstr) = curcop->cop_line;
+ GvEGV(dstr) = dstr;
+ GvFLAGS(dstr) &= ~GVf_INTRO; /* one-shot flag */
+ }
+ SvMULTI_on(dstr);
switch (SvTYPE(sref)) {
case SVt_PVAV:
- dref = (SV*)GvAV(dstr);
+ if (intro)
+ SAVESPTR(GvAV(dstr));
+ else
+ dref = (SV*)GvAV(dstr);
GvAV(dstr) = (AV*)sref;
break;
case SVt_PVHV:
- dref = (SV*)GvHV(dstr);
+ if (intro)
+ SAVESPTR(GvHV(dstr));
+ else
+ dref = (SV*)GvHV(dstr);
GvHV(dstr) = (HV*)sref;
break;
case SVt_PVCV:
- dref = (SV*)GvCV(dstr);
+ if (intro)
+ SAVESPTR(GvCV(dstr));
+ else {
+ CV* cv = GvCV(dstr);
+ if (cv) {
+ dref = (SV*)cv;
+ if (dowarn && sref != dref &&
+ !GvCVGEN((GV*)dstr) &&
+ (CvROOT(cv) || CvXSUB(cv)) )
+ warn("Subroutine %s redefined",
+ GvENAME((GV*)dstr));
+ SvFAKE_on(cv);
+ }
+ }
GvCV(dstr) = (CV*)sref;
break;
default:
- dref = (SV*)GvSV(dstr);
+ if (intro)
+ SAVESPTR(GvSV(dstr));
+ else
+ dref = (SV*)GvSV(dstr);
GvSV(dstr) = sref;
break;
}
+ if (curcop->cop_stash != GvSTASH(dstr))
+ GvFLAGS(dstr) |= GVf_IMPORTED; /* crude */
if (dref)
SvREFCNT_dec(dref);
+ if (intro)
+ SAVEFREESV(sref);
SvTAINT(dstr);
return;
}
- if (SvPVX(dstr))
+ if (SvPVX(dstr)) {
Safefree(SvPVX(dstr));
+ SvLEN(dstr)=SvCUR(dstr)=0;
+ }
}
- SvOK_off(dstr);
+ (void)SvOK_off(dstr);
SvRV(dstr) = SvREFCNT_inc(SvRV(sstr));
SvROK_on(dstr);
- ++sv_rvcount;
if (sflags & SVp_NOK) {
SvNOK_on(dstr);
SvNVX(dstr) = SvNVX(sstr);
}
if (sflags & SVp_IOK) {
- SvIOK_on(dstr);
+ (void)SvIOK_on(dstr);
SvIVX(dstr) = SvIVX(sstr);
}
+#ifdef OVERLOAD
+ if (SvAMAGIC(sstr)) {
+ SvAMAGIC_on(dstr);
+ }
+#endif /* OVERLOAD */
}
else if (sflags & SVp_POK) {
*/
if (SvTEMP(sstr)) { /* slated for free anyway? */
- if (SvPOK(dstr)) {
- SvOOK_off(dstr);
+ if (SvPVX(dstr)) { /* we know that dtype >= SVt_PV */
+ (void)SvOOK_off(dstr);
Safefree(SvPVX(dstr));
}
SvPV_set(dstr, SvPVX(sstr));
SvLEN_set(dstr, SvLEN(sstr));
SvCUR_set(dstr, SvCUR(sstr));
- SvPOK_only(dstr);
+ (void)SvPOK_only(dstr);
SvTEMP_off(dstr);
SvPV_set(sstr, Nullch);
SvLEN_set(sstr, 0);
Move(SvPVX(sstr),SvPVX(dstr),len,char);
SvCUR_set(dstr, len);
*SvEND(dstr) = '\0';
- SvPOK_only(dstr);
+ (void)SvPOK_only(dstr);
}
/*SUPPRESS 560*/
if (sflags & SVp_NOK) {
SvNVX(dstr) = SvNVX(sstr);
}
if (sflags & SVp_IOK) {
- SvIOK_on(dstr);
+ (void)SvIOK_on(dstr);
SvIVX(dstr) = SvIVX(sstr);
}
}
else if (sflags & SVp_NOK) {
SvNVX(dstr) = SvNVX(sstr);
- SvNOK_only(dstr);
+ (void)SvNOK_only(dstr);
if (SvIOK(sstr)) {
- SvIOK_on(dstr);
+ (void)SvIOK_on(dstr);
SvIVX(dstr) = SvIVX(sstr);
}
}
else if (sflags & SVp_IOK) {
- SvIOK_only(dstr);
+ (void)SvIOK_only(dstr);
SvIVX(dstr) = SvIVX(sstr);
}
else {
- SvOK_off(dstr);
+ (void)SvOK_off(dstr);
}
SvTAINT(dstr);
}
register char *ptr;
register STRLEN len;
{
+ assert(len >= 0);
if (SvTHINKFIRST(sv)) {
if (SvREADONLY(sv) && curcop != &compiling)
croak(no_modify);
sv_unref(sv);
}
if (!ptr) {
- SvOK_off(sv);
+ (void)SvOK_off(sv);
return;
}
- if (!SvUPGRADE(sv, SVt_PV))
+ if (SvTYPE(sv) >= SVt_PV) {
+ if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV)
+ sv_unglob(sv);
+ }
+ else if (!sv_upgrade(sv, SVt_PV))
return;
SvGROW(sv, len + 1);
- if (ptr)
- Move(ptr,SvPVX(sv),len,char);
+ Move(ptr,SvPVX(sv),len,char);
SvCUR_set(sv, len);
*SvEND(sv) = '\0';
- SvPOK_only(sv); /* validate pointer */
+ (void)SvPOK_only(sv); /* validate pointer */
SvTAINT(sv);
}
sv_unref(sv);
}
if (!ptr) {
- SvOK_off(sv);
+ (void)SvOK_off(sv);
return;
}
len = strlen(ptr);
- if (!SvUPGRADE(sv, SVt_PV))
+ if (SvTYPE(sv) >= SVt_PV) {
+ if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV)
+ sv_unglob(sv);
+ }
+ else if (!sv_upgrade(sv, SVt_PV))
return;
SvGROW(sv, len + 1);
Move(ptr,SvPVX(sv),len+1,char);
SvCUR_set(sv, len);
- SvPOK_only(sv); /* validate pointer */
+ (void)SvPOK_only(sv); /* validate pointer */
SvTAINT(sv);
}
if (!SvUPGRADE(sv, SVt_PV))
return;
if (!ptr) {
- SvOK_off(sv);
+ (void)SvOK_off(sv);
return;
}
if (SvPVX(sv))
SvCUR_set(sv, len);
SvLEN_set(sv, len+1);
*SvEND(sv) = '\0';
- SvPOK_only(sv); /* validate pointer */
+ (void)SvPOK_only(sv); /* validate pointer */
SvTAINT(sv);
}
{
register STRLEN delta;
- if (!ptr || !SvPOK(sv))
+ if (!ptr || !SvPOKp(sv))
return;
if (SvTHINKFIRST(sv)) {
if (SvREADONLY(sv) && curcop != &compiling)
register STRLEN len;
{
STRLEN tlen;
- char *s;
- if (SvTHINKFIRST(sv)) {
- if (SvREADONLY(sv) && curcop != &compiling)
- croak(no_modify);
- if (SvROK(sv)) {
- s = SvPV(sv, tlen);
- sv_unref(sv);
- sv_setpvn(sv, s, tlen);
- }
- }
- s = SvPV(sv, tlen);
+ char *junk;
+
+ junk = SvPV_force(sv, tlen);
SvGROW(sv, tlen + len + 1);
+ if (ptr == junk)
+ ptr = SvPVX(sv);
Move(ptr,SvPVX(sv)+tlen,len,char);
SvCUR(sv) += len;
*SvEND(sv) = '\0';
- SvPOK_only(sv); /* validate pointer */
+ (void)SvPOK_only(sv); /* validate pointer */
SvTAINT(sv);
}
{
register STRLEN len;
STRLEN tlen;
- char *s;
+ char *junk;
- if (SvTHINKFIRST(sv)) {
- if (SvREADONLY(sv) && curcop != &compiling)
- croak(no_modify);
- if (SvROK(sv))
- sv_unref(sv);
- }
if (!ptr)
return;
- s = SvPV(sv, tlen);
+ junk = SvPV_force(sv, tlen);
len = strlen(ptr);
SvGROW(sv, tlen + len + 1);
+ if (ptr == junk)
+ ptr = SvPVX(sv);
Move(ptr,SvPVX(sv)+tlen,len+1,char);
SvCUR(sv) += len;
- SvPOK_only(sv); /* validate pointer */
+ (void)SvPOK_only(sv); /* validate pointer */
SvTAINT(sv);
}
}
void
-#ifndef STANDARD_C
sv_magic(sv, obj, how, name, namlen)
register SV *sv;
SV *obj;
-char how;
+int how;
char *name;
I32 namlen;
-#else
-sv_magic(register SV *sv, SV *obj, char how, char *name, I32 namlen)
-#endif /* STANDARD_C */
{
MAGIC* mg;
- if (SvTHINKFIRST(sv)) {
- if (SvREADONLY(sv) && curcop != &compiling && !strchr("gB", how))
- croak(no_modify);
- }
- if (SvMAGICAL(sv)) {
- if (SvMAGIC(sv) && mg_find(sv, how))
+ if (SvREADONLY(sv) && curcop != &compiling && !strchr("gB", how))
+ croak(no_modify);
+ if (SvMAGICAL(sv) || (how == 't' && SvTYPE(sv) >= SVt_PVMG)) {
+ if (SvMAGIC(sv) && (mg = mg_find(sv, how))) {
+ if (how == 't')
+ mg->mg_len |= 1;
return;
+ }
}
else {
if (!SvUPGRADE(sv, SVt_PVMG))
mg->mg_moremagic = SvMAGIC(sv);
SvMAGIC(sv) = mg;
- if (obj == sv)
+ if (!obj || obj == sv || how == '#')
mg->mg_obj = obj;
else {
mg->mg_obj = SvREFCNT_inc(obj);
mg->mg_type = how;
mg->mg_len = namlen;
if (name && namlen >= 0)
- mg->mg_ptr = nsavestr(name, namlen);
+ mg->mg_ptr = savepvn(name, namlen);
switch (how) {
case 0:
mg->mg_virtual = &vtbl_sv;
break;
+#ifdef OVERLOAD
+ case 'A':
+ mg->mg_virtual = &vtbl_amagic;
+ break;
+ case 'a':
+ mg->mg_virtual = &vtbl_amagicelem;
+ break;
+ case 'c':
+ mg->mg_virtual = 0;
+ break;
+#endif /* OVERLOAD */
case 'B':
mg->mg_virtual = &vtbl_bm;
break;
mg->mg_virtual = &vtbl_isaelem;
break;
case 'L':
+ SvRMAGICAL_on(sv);
mg->mg_virtual = 0;
break;
case 'l':
mg->mg_virtual = &vtbl_pack;
break;
case 'p':
+ case 'q':
mg->mg_virtual = &vtbl_packelem;
break;
case 'S':
break;
case 't':
mg->mg_virtual = &vtbl_taint;
+ mg->mg_len = 1;
break;
case 'U':
mg->mg_virtual = &vtbl_uvar;
case '#':
mg->mg_virtual = &vtbl_arylen;
break;
+ case '.':
+ mg->mg_virtual = &vtbl_pos;
+ break;
+ case '~': /* Reserved for use by extensions not perl internals. */
+ /* Useful for attaching extension internal data to perl vars. */
+ /* Note that multiple extensions may clash if magical scalars */
+ /* etc holding private data from one are passed to another. */
+ SvRMAGICAL_on(sv);
+ break;
default:
croak("Don't know how to handle magic of type '%c'", how);
}
}
int
-#ifndef STANDARD_C
sv_unmagic(sv, type)
SV* sv;
-char type;
-#else
-sv_unmagic(SV *sv, char type)
-#endif /* STANDARD_C */
+int type;
{
MAGIC* mg;
MAGIC** mgp;
- if (!SvMAGICAL(sv))
+ if (SvTYPE(sv) < SVt_PVMG)
return 0;
mgp = &SvMAGIC(sv);
for (mg = *mgp; mg; mg = *mgp) {
(*vtbl->svt_free)(sv, mg);
if (mg->mg_ptr && mg->mg_type != 'g')
Safefree(mg->mg_ptr);
- SvREFCNT_dec(mg->mg_obj);
+ if (mg->mg_flags & MGf_REFCOUNTED)
+ SvREFCNT_dec(mg->mg_obj);
Safefree(mg);
}
else
mgp = &mg->mg_moremagic;
}
- if (!SvMAGIC(sv)) {
+ if (!SvMAGICAL(sv) && !SvMAGIC(sv)) {
SvMAGICAL_off(sv);
SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT;
}
if (!bigstr)
croak("Can't modify non-existent substring");
- if (SvTHINKFIRST(bigstr)) {
- if (SvREADONLY(bigstr) && curcop != &compiling)
- croak(no_modify);
- if (SvROK(bigstr))
- sv_unref(bigstr);
- }
- SvPOK_only(bigstr);
+ SvPV_force(bigstr, na);
i = littlelen - len;
if (i > 0) { /* string might grow */
- if (!SvUPGRADE(bigstr, SVt_PV))
- return;
- SvGROW(bigstr, SvCUR(bigstr) + i + 1);
- big = SvPVX(bigstr);
+ big = SvGROW(bigstr, SvCUR(bigstr) + i + 1);
mid = big + offset + len;
midend = bigend = big + SvCUR(bigstr);
bigend += i;
if (SvREFCNT(nsv) != 1)
warn("Reference miscount in sv_replace()");
if (SvMAGICAL(sv)) {
- SvUPGRADE(nsv, SVt_PVMG);
+ if (SvMAGICAL(nsv))
+ mg_free(nsv);
+ else
+ sv_upgrade(nsv, SVt_PVMG);
SvMAGIC(nsv) = SvMAGIC(sv);
- SvMAGICAL_on(nsv);
+ SvFLAGS(nsv) |= SvMAGICAL(sv);
SvMAGICAL_off(sv);
SvMAGIC(sv) = 0;
}
if (SvOBJECT(sv)) {
dSP;
- BINOP myop; /* fake syntax tree node */
GV* destructor;
- SvOBJECT_off(sv); /* Curse the object. */
-
- ENTER;
- SAVETMPS;
- SAVESPTR(curcop);
- SAVESPTR(op);
- curcop = &compiling;
- curstash = SvSTASH(sv);
- destructor = gv_fetchpv("DESTROY", FALSE, SVt_PVCV);
-
- if (destructor && GvCV(destructor)) {
- SV ref;
- Zero(&ref, 1, SV);
- sv_upgrade(&ref, SVt_RV);
- SvRV(&ref) = SvREFCNT_inc(sv);
- SvROK_on(&ref);
-
- op = (OP*)&myop;
- Zero(op, 1, OP);
- myop.op_last = (OP*)&myop;
- myop.op_flags = OPf_STACKED;
- myop.op_next = Nullop;
-
- EXTEND(SP, 2);
- PUSHs((SV*)destructor);
- pp_pushmark();
- PUSHs(&ref);
- PUTBACK;
- op = pp_entersubr();
- if (op)
- run();
- stack_sp--;
- SvREFCNT(sv) = 0;
- FREE_TMPS();
- }
- SvREFCNT_dec(SvSTASH(sv));
- LEAVE;
+ if (defstash) { /* Still have a symbol table? */
+ destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY");
+
+ ENTER;
+ SAVEFREESV(SvSTASH(sv));
+ if (destructor && GvCV(destructor)) {
+ SV ref;
+
+ Zero(&ref, 1, SV);
+ sv_upgrade(&ref, SVt_RV);
+ SAVEI32(SvREFCNT(sv));
+ SvRV(&ref) = SvREFCNT_inc(sv);
+ SvROK_on(&ref);
+
+ EXTEND(SP, 2);
+ PUSHMARK(SP);
+ PUSHs(&ref);
+ PUTBACK;
+ perl_call_sv((SV*)destructor, G_DISCARD|G_EVAL|G_KEEPERR);
+ del_XRV(SvANY(&ref));
+ }
+ LEAVE;
+ }
+ else
+ SvREFCNT_dec(SvSTASH(sv));
+ if (SvOBJECT(sv)) {
+ SvOBJECT_off(sv); /* Curse the object. */
+ if (SvTYPE(sv) != SVt_PVIO)
+ --sv_objcount; /* XXX Might want something more general */
+ }
}
+ if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv))
+ mg_free(sv);
switch (SvTYPE(sv)) {
case SVt_PVIO:
Safefree(IoTOP_NAME(sv));
Safefree(IoFMT_NAME(sv));
Safefree(IoBOTTOM_NAME(sv));
- goto freemagic;
- case SVt_PVFM:
- goto freemagic;
+ /* FALL THROUGH */
case SVt_PVBM:
- goto freemagic;
- case SVt_PVGV:
- gp_free(sv);
- Safefree(GvNAME(sv));
- goto freemagic;
+ goto freescalar;
case SVt_PVCV:
+ case SVt_PVFM:
cv_undef((CV*)sv);
- goto freemagic;
+ goto freescalar;
case SVt_PVHV:
hv_undef((HV*)sv);
- SvPVX(sv)= 0;
- goto freemagic;
+ break;
case SVt_PVAV:
av_undef((AV*)sv);
- SvPVX(sv)= 0;
- goto freemagic;
+ break;
+ case SVt_PVGV:
+ gp_free(sv);
+ Safefree(GvNAME(sv));
+ /* FALL THROUGH */
case SVt_PVLV:
- goto freemagic;
case SVt_PVMG:
- freemagic:
- if (SvMAGICAL(sv))
- mg_free(sv);
case SVt_PVNV:
case SVt_PVIV:
- SvOOK_off(sv);
+ freescalar:
+ (void)SvOOK_off(sv);
/* FALL THROUGH */
case SVt_PV:
+ case SVt_RV:
if (SvROK(sv))
SvREFCNT_dec(SvRV(sv));
else if (SvPVX(sv))
Safefree(SvPVX(sv));
break;
+/*
case SVt_NV:
- break;
case SVt_IV:
- break;
- case SVt_RV:
- SvREFCNT_dec(SvRV(sv));
- break;
case SVt_NULL:
break;
+*/
}
switch (SvTYPE(sv)) {
del_XPVIO(SvANY(sv));
break;
}
+ SvFLAGS(sv) &= SVf_BREAK;
SvFLAGS(sv) |= SVTYPEMASK;
}
{
if (!sv)
return;
- if (SvTHINKFIRST(sv)) {
- if (SvREADONLY(sv)) {
- if (sv == &sv_undef || sv == &sv_yes || sv == &sv_no)
- return;
- }
+ if (SvREADONLY(sv)) {
+ if (sv == &sv_undef || sv == &sv_yes || sv == &sv_no)
+ return;
}
- if (SvREFCNT(sv) == 0 && !(SvFLAGS(sv) & SVf_BREAK)) {
+ if (SvREFCNT(sv) == 0) {
+ if (SvFLAGS(sv) & SVf_BREAK)
+ return;
warn("Attempt to free unreferenced scalar");
return;
}
sv_len(sv)
register SV *sv;
{
- char *s;
+ char *junk;
STRLEN len;
if (!sv)
if (SvGMAGICAL(sv))
len = mg_len(sv);
else
- s = SvPV(sv, len);
+ junk = SvPV(sv, len);
return len;
}
register FILE *fp;
I32 append;
{
- register char *bp; /* we're going to steal some values */
- register I32 cnt; /* from the stdio struct and put EVERYTHING */
- register STDCHAR *ptr; /* in the innermost loop into registers */
- register I32 newline = rschar;/* (assuming >= 6 registers) */
+ char *rsptr;
+ STRLEN rslen;
+ register STDCHAR rslast;
+ register STDCHAR *bp;
+ register I32 cnt;
I32 i;
+
+#ifdef FAST_SV_GETS
+ /*
+ * We're going to steal some values from the stdio struct
+ * and put EVERYTHING in the innermost loop into registers.
+ */
+ register STDCHAR *ptr;
STRLEN bpx;
I32 shortbuffered;
+#endif
if (SvTHINKFIRST(sv)) {
if (SvREADONLY(sv) && curcop != &compiling)
sv_unref(sv);
}
if (!SvUPGRADE(sv, SVt_PV))
- return;
- if (rspara) { /* have to do this both before and after */
+ return 0;
+
+ if (RsSNARF(rs)) {
+ rsptr = NULL;
+ rslen = 0;
+ }
+ else if (RsPARA(rs)) {
+ rsptr = "\n\n";
+ rslen = 2;
+ }
+ else
+ rsptr = SvPV(rs, rslen);
+ rslast = rslen ? rsptr[rslen - 1] : '\0';
+
+ if (RsPARA(rs)) { /* have to do this both before and after */
do { /* to make sure file boundaries work right */
+ if (feof(fp))
+ return 0;
i = getc(fp);
if (i != '\n') {
+ if (i == -1)
+ return 0;
ungetc(i,fp);
break;
}
} while (i != EOF);
}
-#ifdef USE_STD_STDIO /* Here is some breathtakingly efficient cheating */
- cnt = fp->_cnt; /* get count into register */
- SvPOK_only(sv); /* validate pointer */
+
+#ifdef FAST_SV_GETS
+
+ /* Here is some breathtakingly efficient cheating */
+
+ cnt = FILE_cnt(fp); /* get count into register */
+ (void)SvPOK_only(sv); /* validate pointer */
if (SvLEN(sv) - append <= cnt + 1) { /* make sure we have the room */
if (cnt > 80 && SvLEN(sv) > append) {
shortbuffered = cnt - SvLEN(sv) + append + 1;
}
else
shortbuffered = 0;
- bp = SvPVX(sv) + append; /* move these two too to registers */
- ptr = fp->_ptr;
+ bp = (STDCHAR*)SvPVX(sv) + append; /* move these two too to registers */
+ ptr = FILE_ptr(fp);
for (;;) {
screamer:
if (cnt > 0) {
- while (--cnt >= 0) { /* this */ /* eat */
- if ((*bp++ = *ptr++) == newline) /* really */ /* dust */
- goto thats_all_folks; /* screams */ /* sed :-) */
+ if (rslen) {
+ while (--cnt >= 0) { /* this | eat */
+ if ((*bp++ = *ptr++) == rslast) /* really | dust */
+ goto thats_all_folks; /* screams | sed :-) */
+ }
+ }
+ else {
+ memcpy((char*)bp, (char*)ptr, cnt); /* this | eat */
+ bp += cnt; /* screams | dust */
+ ptr += cnt; /* louder | sed :-) */
}
}
- if (shortbuffered) { /* oh well, must extend */
+ if (shortbuffered) { /* oh well, must extend */
cnt = shortbuffered;
shortbuffered = 0;
- bpx = bp - SvPVX(sv); /* prepare for possible relocation */
+ bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */
SvCUR_set(sv, bpx);
SvGROW(sv, SvLEN(sv) + append + cnt + 2);
- bp = SvPVX(sv) + bpx; /* reconstitute our pointer */
+ bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */
continue;
}
- fp->_cnt = cnt; /* deregisterize cnt and ptr */
- fp->_ptr = ptr;
+ FILE_cnt(fp) = cnt; /* deregisterize cnt and ptr */
+ FILE_ptr(fp) = ptr;
i = _filbuf(fp); /* get more characters */
- cnt = fp->_cnt;
- ptr = fp->_ptr; /* reregisterize cnt and ptr */
+ cnt = FILE_cnt(fp);
+ ptr = FILE_ptr(fp); /* reregisterize cnt and ptr */
- bpx = bp - SvPVX(sv); /* prepare for possible relocation */
+ if (i == EOF) /* all done for ever? */
+ goto thats_really_all_folks;
+
+ bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */
SvCUR_set(sv, bpx);
SvGROW(sv, bpx + cnt + 2);
- bp = SvPVX(sv) + bpx; /* reconstitute our pointer */
+ bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */
- if (i == newline) { /* all done for now? */
- *bp++ = i;
+ *bp++ = i; /* store character from _filbuf */
+
+ if (rslen && (STDCHAR)i == rslast) /* all done for now? */
goto thats_all_folks;
- }
- else if (i == EOF) /* all done for ever? */
- goto thats_really_all_folks;
- *bp++ = i; /* now go back to screaming loop */
}
thats_all_folks:
- if (rslen > 1 && (bp - SvPVX(sv) < rslen || bcmp(bp - rslen, rs, rslen)))
- goto screamer; /* go back to the fray */
+ if ((rslen > 1 && (bp - (STDCHAR*)SvPVX(sv) < rslen)) ||
+ bcmp((char*)bp - rslen, rsptr, rslen))
+ goto screamer; /* go back to the fray */
thats_really_all_folks:
if (shortbuffered)
cnt += shortbuffered;
- fp->_cnt = cnt; /* put these back or we're in trouble */
- fp->_ptr = ptr;
+ FILE_cnt(fp) = cnt; /* put these back or we're in trouble */
+ FILE_ptr(fp) = ptr;
*bp = '\0';
- SvCUR_set(sv, bp - SvPVX(sv)); /* set length */
+ SvCUR_set(sv, bp - (STDCHAR*)SvPVX(sv)); /* set length */
+
+#else /* SV_FAST_GETS */
-#else /* !USE_STD_STDIO */ /* The big, slow, and stupid way */
+ /*The big, slow, and stupid way */
{
- char buf[8192];
- register char * bpe = buf + sizeof(buf) - 3;
+ STDCHAR buf[8192];
screamer:
- bp = buf;
- while ((i = getc(fp)) != EOF && (*bp++ = i) != newline && bp < bpe) ;
+ if (rslen) {
+ register STDCHAR *bpe = buf + sizeof(buf);
+ bp = buf;
+ while ((i = getc(fp)) != EOF && (*bp++ = i) != rslast && bp < bpe)
+ ; /* keep reading */
+ cnt = bp - buf;
+ }
+ else {
+ cnt = fread((char*)buf, 1, sizeof(buf), fp);
+ i = (cnt == EOF) ? EOF : (U8)buf[cnt - 1];
+ }
if (append)
- sv_catpvn(sv, buf, bp - buf);
+ sv_catpvn(sv, buf, cnt);
else
- sv_setpvn(sv, buf, bp - buf);
- if (i != EOF /* joy */
- &&
- (i != newline
- ||
- (rslen > 1
- &&
- (SvCUR(sv) < rslen
- ||
- bcmp(SvPVX(sv) + SvCUR(sv) - rslen, rs, rslen)
- )
- )
- )
- )
+ sv_setpvn(sv, buf, cnt);
+
+ if (i != EOF && /* joy */
+ (!rslen ||
+ SvCUR(sv) < rslen ||
+ bcmp(SvPVX(sv) + SvCUR(sv) - rslen, rsptr, rslen)))
{
append = -1;
goto screamer;
}
}
-#endif /* USE_STD_STDIO */
+#endif /* SV_FAST_GETS */
- if (rspara) {
- while (i != EOF) {
+ if (RsPARA(rs)) { /* have to do this both before and after */
+ while (i != EOF) { /* to make sure file boundaries work right */
i = getc(fp);
if (i != '\n') {
ungetc(i,fp);
}
}
}
- return SvCUR(sv) - append ? SvPVX(sv) : Nullch;
+
+ return (SvCUR(sv) - append) ? SvPVX(sv) : Nullch;
}
void
if (SvTHINKFIRST(sv)) {
if (SvREADONLY(sv) && curcop != &compiling)
croak(no_modify);
- if (SvROK(sv))
- sv_unref(sv);
+ if (SvROK(sv)) {
+#ifdef OVERLOAD
+ if (SvAMAGIC(sv) && AMG_CALLun(sv,inc)) return;
+#endif /* OVERLOAD */
+ sv_unref(sv);
+ }
}
if (SvGMAGICAL(sv))
mg_get(sv);
flags = SvFLAGS(sv);
if (flags & SVp_IOK) {
++SvIVX(sv);
- SvIOK_only(sv);
+ (void)SvIOK_only(sv);
return;
}
if (flags & SVp_NOK) {
SvNVX(sv) += 1.0;
- SvNOK_only(sv);
+ (void)SvNOK_only(sv);
return;
}
if (!(flags & SVp_POK) || !*SvPVX(sv)) {
- if (!SvUPGRADE(sv, SVt_NV))
- return;
+ if ((flags & SVTYPEMASK) < SVt_PVNV)
+ sv_upgrade(sv, SVt_NV);
SvNVX(sv) = 1.0;
- SvNOK_only(sv);
+ (void)SvNOK_only(sv);
return;
}
d = SvPVX(sv);
if (SvTHINKFIRST(sv)) {
if (SvREADONLY(sv) && curcop != &compiling)
croak(no_modify);
- if (SvROK(sv))
- sv_unref(sv);
+ if (SvROK(sv)) {
+#ifdef OVERLOAD
+ if (SvAMAGIC(sv) && AMG_CALLun(sv,dec)) return;
+#endif /* OVERLOAD */
+ sv_unref(sv);
+ }
}
if (SvGMAGICAL(sv))
mg_get(sv);
flags = SvFLAGS(sv);
if (flags & SVp_IOK) {
--SvIVX(sv);
- SvIOK_only(sv);
+ (void)SvIOK_only(sv);
return;
}
if (flags & SVp_NOK) {
SvNVX(sv) -= 1.0;
- SvNOK_only(sv);
+ (void)SvNOK_only(sv);
return;
}
if (!(flags & SVp_POK)) {
- if (!SvUPGRADE(sv, SVt_NV))
- return;
+ if ((flags & SVTYPEMASK) < SVt_PVNV)
+ sv_upgrade(sv, SVt_NV);
SvNVX(sv) = -1.0;
- SvNOK_only(sv);
+ (void)SvNOK_only(sv);
return;
}
sv_setnv(sv,atof(SvPVX(sv)) - 1.0);
{
if (!sv)
return sv;
- if (SvTHINKFIRST(sv)) {
- if (SvREADONLY(sv) && curcop != &compiling)
- croak(no_modify);
- }
+ if (SvREADONLY(sv) && curcop != &compiling)
+ croak(no_modify);
if (++tmps_ix >= tmps_max)
sv_mortalgrow();
tmps_stack[tmps_ix] = sv;
SV *
newSViv(i)
-I32 i;
+IV i;
{
register SV *sv;
SvREFCNT(sv) = 1;
SvFLAGS(sv) = 0;
sv_upgrade(sv, SVt_RV);
+ SvTEMP_off(ref);
SvRV(sv) = SvREFCNT_inc(ref);
SvROK_on(sv);
- ++sv_rvcount;
return sv;
}
for ( ; i <= max; i++) {
todo[i] = 1;
}
- for (i = 0; i <= HvMAX(stash); i++) {
+ for (i = 0; i <= (I32) HvMAX(stash); i++) {
for (entry = HvARRAY(stash)[i];
entry;
entry = entry->hent_next) {
continue;
gv = (GV*)entry->hent_val;
sv = GvSV(gv);
- SvOK_off(sv);
+ (void)SvOK_off(sv);
if (SvTYPE(sv) >= SVt_PV) {
SvCUR_set(sv, 0);
SvTAINT(sv);
av_clear(GvAV(gv));
}
if (GvHV(gv)) {
+ if (HvNAME(GvHV(gv)))
+ continue;
hv_clear(GvHV(gv));
+#ifndef VMS /* VMS has no environ array */
if (gv == envgv)
environ[0] = Nullch;
+#endif
}
}
}
if (!sv)
return *gvp = Nullgv, Nullcv;
switch (SvTYPE(sv)) {
- case SVt_RV:
- is_rv:
- cv = (CV*)SvRV(sv);
- if (SvTYPE(cv) != SVt_PVCV)
- croak("Not a subroutine reference");
- *gvp = Nullgv;
- *st = CvSTASH(cv);
- return cv;
case SVt_PVCV:
*st = CvSTASH(sv);
*gvp = Nullgv;
return Nullcv;
case SVt_PVGV:
gv = (GV*)sv;
+ *gvp = gv;
*st = GvESTASH(gv);
goto fix_gv;
default:
- if (SvROK(sv))
- goto is_rv;
+ if (SvGMAGICAL(sv))
+ mg_get(sv);
+ if (SvROK(sv)) {
+ cv = (CV*)SvRV(sv);
+ if (SvTYPE(cv) != SVt_PVCV)
+ croak("Not a subroutine reference");
+ *gvp = Nullgv;
+ *st = CvSTASH(cv);
+ return cv;
+ }
if (isGV(sv))
gv = (GV*)sv;
else
*st = GvESTASH(gv);
fix_gv:
if (lref && !GvCV(gv)) {
- sv = NEWSV(0,0);
- gv_efullname(sv, gv);
- newSUB(savestack_ix,
- newSVOP(OP_CONST, 0, sv),
+ SV *tmpsv;
+ ENTER;
+ tmpsv = NEWSV(704,0);
+ gv_efullname(tmpsv, gv);
+ newSUB(start_subparse(),
+ newSVOP(OP_CONST, 0, tmpsv),
+ Nullop,
Nullop);
+ LEAVE;
+ if (!GvCV(gv))
+ croak("Unable to create sub named \"%s\"", SvPV(sv,na));
}
return GvCV(gv);
}
#endif /* SvTRUE */
#ifndef SvIV
-I32 SvIV(Sv)
+IV SvIV(Sv)
register SV *Sv;
{
if (SvIOK(Sv))
{
if (SvPOK(sv)) {
*lp = SvCUR(sv);
- return SvPVX(sv)
+ return SvPVX(sv);
}
return sv_2pv(sv, lp);
}
#endif
+char *
+sv_pvn_force(sv, lp)
+SV *sv;
+STRLEN *lp;
+{
+ char *s;
+
+ if (SvREADONLY(sv) && curcop != &compiling)
+ croak(no_modify);
+
+ if (SvPOK(sv)) {
+ *lp = SvCUR(sv);
+ }
+ else {
+ if (SvTYPE(sv) > SVt_PVLV && SvTYPE(sv) != SVt_PVFM) {
+ if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) {
+ sv_unglob(sv);
+ s = SvPVX(sv);
+ *lp = SvCUR(sv);
+ }
+ else
+ croak("Can't coerce %s to string in %s", sv_reftype(sv,0),
+ op_name[op->op_type]);
+ }
+ else
+ s = sv_2pv(sv, lp);
+ if (s != SvPVX(sv)) { /* Almost, but not quite, sv_setpvn() */
+ STRLEN len = *lp;
+
+ if (SvROK(sv))
+ sv_unref(sv);
+ (void)SvUPGRADE(sv, SVt_PV); /* Never FALSE */
+ SvGROW(sv, len + 1);
+ Move(s,SvPVX(sv),len,char);
+ SvCUR_set(sv, len);
+ *SvEND(sv) = '\0';
+ }
+ if (!SvPOK(sv)) {
+ SvPOK_on(sv); /* validate pointer */
+ SvTAINT(sv);
+ DEBUG_c(fprintf(stderr,"0x%lx 2pv(%s)\n",
+ (unsigned long)sv,SvPVX(sv)));
+ }
+ }
+ return SvPVX(sv);
+}
+
+char *
+sv_reftype(sv, ob)
+SV* sv;
+int ob;
+{
+ if (ob && SvOBJECT(sv))
+ return HvNAME(SvSTASH(sv));
+ else {
+ switch (SvTYPE(sv)) {
+ case SVt_NULL:
+ case SVt_IV:
+ case SVt_NV:
+ case SVt_RV:
+ case SVt_PV:
+ case SVt_PVIV:
+ case SVt_PVNV:
+ case SVt_PVMG:
+ case SVt_PVBM:
+ if (SvROK(sv))
+ return "REF";
+ else
+ return "SCALAR";
+ case SVt_PVLV: return "LVALUE";
+ case SVt_PVAV: return "ARRAY";
+ case SVt_PVHV: return "HASH";
+ case SVt_PVCV: return "CODE";
+ case SVt_PVGV: return "GLOB";
+ case SVt_PVFM: return "FORMLINE";
+ default: return "UNKNOWN";
+ }
+ }
+}
+
int
sv_isobject(sv)
SV *sv;
}
SV*
-sv_setptrobj(rv, ptr, name)
+newSVrv(rv, classname)
SV *rv;
-void *ptr;
-char *name;
+char *classname;
{
- HV *stash;
SV *sv;
- if (!ptr)
- return rv;
-
new_SV();
SvANY(sv) = 0;
- SvREFCNT(sv) = 1;
+ SvREFCNT(sv) = 0;
SvFLAGS(sv) = 0;
- sv_setnv(sv, (double)(unsigned long)ptr);
sv_upgrade(rv, SVt_RV);
SvRV(rv) = SvREFCNT_inc(sv);
SvROK_on(rv);
- ++sv_rvcount;
- stash = fetch_stash(newSVpv(name,0), TRUE);
- SvOBJECT_on(sv);
- SvUPGRADE(sv, SVt_PVMG);
- SvSTASH(sv) = (HV*)SvREFCNT_inc(stash);
+ if (classname) {
+ HV* stash = gv_stashpv(classname, TRUE);
+ (void)sv_bless(rv, stash);
+ }
+ return sv;
+}
+
+SV*
+sv_setref_pv(rv, classname, pv)
+SV *rv;
+char *classname;
+void* pv;
+{
+ if (!pv)
+ sv_setsv(rv, &sv_undef);
+ else
+ sv_setiv(newSVrv(rv,classname), (IV)pv);
+ return rv;
+}
+
+SV*
+sv_setref_iv(rv, classname, iv)
+SV *rv;
+char *classname;
+IV iv;
+{
+ sv_setiv(newSVrv(rv,classname), iv);
+ return rv;
+}
+
+SV*
+sv_setref_nv(rv, classname, nv)
+SV *rv;
+char *classname;
+double nv;
+{
+ sv_setnv(newSVrv(rv,classname), nv);
+ return rv;
+}
+SV*
+sv_setref_pvn(rv, classname, pv, n)
+SV *rv;
+char *classname;
+char* pv;
+I32 n;
+{
+ sv_setpvn(newSVrv(rv,classname), pv, n);
return rv;
}
+SV*
+sv_bless(sv,stash)
+SV* sv;
+HV* stash;
+{
+ SV *ref;
+ if (!SvROK(sv))
+ croak("Can't bless non-reference value");
+ ref = SvRV(sv);
+ if (SvFLAGS(ref) & (SVs_OBJECT|SVf_READONLY)) {
+ if (SvREADONLY(ref))
+ croak(no_modify);
+ if (SvOBJECT(ref) && SvTYPE(ref) != SVt_PVIO)
+ --sv_objcount;
+ }
+ SvOBJECT_on(ref);
+ ++sv_objcount;
+ (void)SvUPGRADE(ref, SVt_PVMG);
+ SvSTASH(ref) = (HV*)SvREFCNT_inc(stash);
+
+#ifdef OVERLOAD
+ SvAMAGIC_off(sv);
+ if (Gv_AMG(stash)) {
+ SvAMAGIC_on(sv);
+ }
+#endif /* OVERLOAD */
+
+ return sv;
+}
+
+static void
+sv_unglob(sv)
+SV* sv;
+{
+ assert(SvTYPE(sv) == SVt_PVGV);
+ SvFAKE_off(sv);
+ if (GvGP(sv))
+ gp_free(sv);
+ sv_unmagic(sv, '*');
+ Safefree(GvNAME(sv));
+ SvMULTI_off(sv);
+ SvFLAGS(sv) &= ~SVTYPEMASK;
+ SvFLAGS(sv) |= SVt_PVMG;
+}
+
void
sv_unref(sv)
SV* sv;
{
- SvREFCNT_dec(SvRV(sv));
+ SV* rv = SvRV(sv);
+
SvRV(sv) = 0;
SvROK_off(sv);
- if (!(SvFLAGS(sv) & (SVp_IOK|SVp_NOK))) {
- SvFLAGS(sv) &= ~SVf_OK;
- if (SvTYPE(sv) == SVt_RV) {
- del_XRV(SvANY(sv));
- SvFLAGS(sv) &= ~SVTYPEMASK; /* Make into type NULL. */
- }
- }
- --sv_rvcount;
+ if (SvREFCNT(rv) != 1 || SvREADONLY(rv))
+ SvREFCNT_dec(rv);
+ else
+ sv_2mortal(rv); /* Schedule for freeing later */
}
#ifdef DEBUGGING
if (flags & SVf_NOK) strcat(d, "NOK,");
if (flags & SVf_POK) strcat(d, "POK,");
if (flags & SVf_ROK) strcat(d, "ROK,");
- if (flags & SVf_OK) strcat(d, "OK,");
if (flags & SVf_OOK) strcat(d, "OOK,");
+ if (flags & SVf_FAKE) strcat(d, "FAKE,");
if (flags & SVf_READONLY) strcat(d, "READONLY,");
d += strlen(d);
if (type >= SVt_PVIV || type == SVt_IV)
fprintf(stderr, " IV = %ld\n", (long)SvIVX(sv));
if (type >= SVt_PVNV || type == SVt_NV)
- fprintf(stderr, " NV = %.20g\n", SvNVX(sv));
+ fprintf(stderr, " NV = %.*g\n", DBL_DIG, SvNVX(sv));
if (SvROK(sv)) {
- fprintf(stderr, " RV = 0x%lx\n", SvRV(sv));
+ fprintf(stderr, " RV = 0x%lx\n", (long)SvRV(sv));
sv_dump(SvRV(sv));
return;
}
if (type <= SVt_PVLV) {
if (SvPVX(sv))
fprintf(stderr, " PV = 0x%lx \"%s\"\n CUR = %ld\n LEN = %ld\n",
- SvPVX(sv), SvPVX(sv), (long)SvCUR(sv), (long)SvLEN(sv));
+ (long)SvPVX(sv), SvPVX(sv), (long)SvCUR(sv), (long)SvLEN(sv));
else
fprintf(stderr, " PV = 0\n");
}
if (type >= SVt_PVMG) {
if (SvMAGIC(sv)) {
- fprintf(stderr, " MAGIC = 0x%lx\n", SvMAGIC(sv));
+ fprintf(stderr, " MAGIC = 0x%lx\n", (long)SvMAGIC(sv));
}
if (SvSTASH(sv))
fprintf(stderr, " STASH = %s\n", HvNAME(SvSTASH(sv)));
fprintf(stderr, " TYPE = %c\n", LvTYPE(sv));
fprintf(stderr, " TARGOFF = %ld\n", (long)LvTARGOFF(sv));
fprintf(stderr, " TARGLEN = %ld\n", (long)LvTARGLEN(sv));
- fprintf(stderr, " TARG = 0x%lx\n", LvTARG(sv));
+ fprintf(stderr, " TARG = 0x%lx\n", (long)LvTARG(sv));
sv_dump(LvTARG(sv));
break;
case SVt_PVAV:
- fprintf(stderr, " ARRAY = 0x%lx\n", AvARRAY(sv));
- fprintf(stderr, " ALLOC = 0x%lx\n", AvALLOC(sv));
+ fprintf(stderr, " ARRAY = 0x%lx\n", (long)AvARRAY(sv));
+ fprintf(stderr, " ALLOC = 0x%lx\n", (long)AvALLOC(sv));
fprintf(stderr, " FILL = %ld\n", (long)AvFILL(sv));
fprintf(stderr, " MAX = %ld\n", (long)AvMAX(sv));
- fprintf(stderr, " ARYLEN = 0x%lx\n", AvARYLEN(sv));
- if (AvREAL(sv))
- fprintf(stderr, " FLAGS = (REAL)\n");
- else
- fprintf(stderr, " FLAGS = ()\n");
+ fprintf(stderr, " ARYLEN = 0x%lx\n", (long)AvARYLEN(sv));
+ flags = AvFLAGS(sv);
+ d = tmpbuf;
+ if (flags & AVf_REAL) strcat(d, "REAL,");
+ if (flags & AVf_REIFY) strcat(d, "REIFY,");
+ if (flags & AVf_REUSED) strcat(d, "REUSED,");
+ if (*d)
+ d[strlen(d)-1] = '\0';
+ fprintf(stderr, " FLAGS = (%s)\n", d);
break;
case SVt_PVHV:
- fprintf(stderr, " ARRAY = 0x%lx\n", HvARRAY(sv));
+ fprintf(stderr, " ARRAY = 0x%lx\n",(long)HvARRAY(sv));
fprintf(stderr, " KEYS = %ld\n", (long)HvKEYS(sv));
fprintf(stderr, " FILL = %ld\n", (long)HvFILL(sv));
fprintf(stderr, " MAX = %ld\n", (long)HvMAX(sv));
fprintf(stderr, " RITER = %ld\n", (long)HvRITER(sv));
- fprintf(stderr, " EITER = 0x%lx\n", HvEITER(sv));
+ fprintf(stderr, " EITER = 0x%lx\n",(long) HvEITER(sv));
if (HvPMROOT(sv))
- fprintf(stderr, " PMROOT = 0x%lx\n", HvPMROOT(sv));
+ fprintf(stderr, " PMROOT = 0x%lx\n",(long)HvPMROOT(sv));
if (HvNAME(sv))
fprintf(stderr, " NAME = \"%s\"\n", HvNAME(sv));
break;
case SVt_PVFM:
case SVt_PVCV:
- fprintf(stderr, " STASH = 0x%lx\n", CvSTASH(sv));
- fprintf(stderr, " START = 0x%lx\n", CvSTART(sv));
- fprintf(stderr, " ROOT = 0x%lx\n", CvROOT(sv));
- fprintf(stderr, " USERSUB = 0x%lx\n", CvUSERSUB(sv));
- fprintf(stderr, " USERINDEX = %ld\n", (long)CvUSERINDEX(sv));
- fprintf(stderr, " FILEGV = 0x%lx\n", CvFILEGV(sv));
+ fprintf(stderr, " STASH = 0x%lx\n", (long)CvSTASH(sv));
+ fprintf(stderr, " START = 0x%lx\n", (long)CvSTART(sv));
+ fprintf(stderr, " ROOT = 0x%lx\n", (long)CvROOT(sv));
+ fprintf(stderr, " XSUB = 0x%lx\n", (long)CvXSUB(sv));
+ fprintf(stderr, " XSUBANY = %ld\n", (long)CvXSUBANY(sv).any_i32);
+ fprintf(stderr, " FILEGV = 0x%lx\n", (long)CvFILEGV(sv));
fprintf(stderr, " DEPTH = %ld\n", (long)CvDEPTH(sv));
- fprintf(stderr, " PADLIST = 0x%lx\n", CvPADLIST(sv));
- fprintf(stderr, " DELETED = %ld\n", (long)CvDELETED(sv));
+ fprintf(stderr, " PADLIST = 0x%lx\n", (long)CvPADLIST(sv));
+ fprintf(stderr, " OUTSIDE = 0x%lx\n", (long)CvOUTSIDE(sv));
if (type == SVt_PVFM)
fprintf(stderr, " LINES = %ld\n", (long)FmLINES(sv));
break;
case SVt_PVGV:
fprintf(stderr, " NAME = %s\n", GvNAME(sv));
fprintf(stderr, " NAMELEN = %ld\n", (long)GvNAMELEN(sv));
- fprintf(stderr, " STASH = 0x%lx\n", GvSTASH(sv));
- fprintf(stderr, " GP = 0x%lx\n", GvGP(sv));
- fprintf(stderr, " SV = 0x%lx\n", GvSV(sv));
+ fprintf(stderr, " STASH = 0x%lx\n", (long)GvSTASH(sv));
+ fprintf(stderr, " GP = 0x%lx\n", (long)GvGP(sv));
+ fprintf(stderr, " SV = 0x%lx\n", (long)GvSV(sv));
fprintf(stderr, " REFCNT = %ld\n", (long)GvREFCNT(sv));
- fprintf(stderr, " IO = 0x%lx\n", GvIO(sv));
- fprintf(stderr, " FORM = 0x%lx\n", GvFORM(sv));
- fprintf(stderr, " AV = 0x%lx\n", GvAV(sv));
- fprintf(stderr, " HV = 0x%lx\n", GvHV(sv));
- fprintf(stderr, " CV = 0x%lx\n", GvCV(sv));
- fprintf(stderr, " CVGEN = 0x%lx\n", GvCVGEN(sv));
+ fprintf(stderr, " IO = 0x%lx\n", (long)GvIOp(sv));
+ fprintf(stderr, " FORM = 0x%lx\n", (long)GvFORM(sv));
+ fprintf(stderr, " AV = 0x%lx\n", (long)GvAV(sv));
+ fprintf(stderr, " HV = 0x%lx\n", (long)GvHV(sv));
+ fprintf(stderr, " CV = 0x%lx\n", (long)GvCV(sv));
+ fprintf(stderr, " CVGEN = 0x%lx\n", (long)GvCVGEN(sv));
fprintf(stderr, " LASTEXPR = %ld\n", (long)GvLASTEXPR(sv));
fprintf(stderr, " LINE = %ld\n", (long)GvLINE(sv));
fprintf(stderr, " FLAGS = 0x%x\n", (int)GvFLAGS(sv));
- fprintf(stderr, " STASH = 0x%lx\n", GvSTASH(sv));
- fprintf(stderr, " EGV = 0x%lx\n", GvEGV(sv));
+ fprintf(stderr, " STASH = 0x%lx\n", (long)GvSTASH(sv));
+ fprintf(stderr, " EGV = 0x%lx\n", (long)GvEGV(sv));
break;
case SVt_PVIO:
- fprintf(stderr, " IFP = 0x%lx\n", IoIFP(sv));
- fprintf(stderr, " OFP = 0x%lx\n", IoOFP(sv));
- fprintf(stderr, " DIRP = 0x%lx\n", IoDIRP(sv));
+ fprintf(stderr, " IFP = 0x%lx\n", (long)IoIFP(sv));
+ fprintf(stderr, " OFP = 0x%lx\n", (long)IoOFP(sv));
+ fprintf(stderr, " DIRP = 0x%lx\n", (long)IoDIRP(sv));
fprintf(stderr, " LINES = %ld\n", (long)IoLINES(sv));
fprintf(stderr, " PAGE = %ld\n", (long)IoPAGE(sv));
fprintf(stderr, " PAGE_LEN = %ld\n", (long)IoPAGE_LEN(sv));
fprintf(stderr, " LINES_LEFT = %ld\n", (long)IoLINES_LEFT(sv));
fprintf(stderr, " TOP_NAME = %s\n", IoTOP_NAME(sv));
- fprintf(stderr, " TOP_GV = 0x%lx\n", IoTOP_GV(sv));
+ fprintf(stderr, " TOP_GV = 0x%lx\n", (long)IoTOP_GV(sv));
fprintf(stderr, " FMT_NAME = %s\n", IoFMT_NAME(sv));
- fprintf(stderr, " FMT_GV = 0x%lx\n", IoFMT_GV(sv));
+ fprintf(stderr, " FMT_GV = 0x%lx\n", (long)IoFMT_GV(sv));
fprintf(stderr, " BOTTOM_NAME = %s\n", IoBOTTOM_NAME(sv));
- fprintf(stderr, " BOTTOM_GV = 0x%lx\n", IoBOTTOM_GV(sv));
+ fprintf(stderr, " BOTTOM_GV = 0x%lx\n", (long)IoBOTTOM_GV(sv));
fprintf(stderr, " SUBPROCESS = %ld\n", (long)IoSUBPROCESS(sv));
fprintf(stderr, " TYPE = %c\n", IoTYPE(sv));
- fprintf(stderr, " FLAGS = 0x%lx\n", IoFLAGS(sv));
+ fprintf(stderr, " FLAGS = 0x%lx\n", (long)IoFLAGS(sv));
break;
}
}
{
}
#endif
+
+IO*
+sv_2io(sv)
+SV *sv;
+{
+ IO* io;
+ GV* gv;
+
+ switch (SvTYPE(sv)) {
+ case SVt_PVIO:
+ io = (IO*)sv;
+ break;
+ case SVt_PVGV:
+ gv = (GV*)sv;
+ io = GvIO(gv);
+ if (!io)
+ croak("Bad filehandle: %s", GvNAME(gv));
+ break;
+ default:
+ if (!SvOK(sv))
+ croak(no_usym, "filehandle");
+ if (SvROK(sv))
+ return sv_2io(SvRV(sv));
+ gv = gv_fetchpv(SvPV(sv,na), FALSE, SVt_PVIO);
+ if (gv)
+ io = GvIO(gv);
+ else
+ io = 0;
+ if (!io)
+ croak("Bad filehandle: %s", SvPV(sv,na));
+ break;
+ }
+ return io;
+}
+