-/* $RCSfile: doarg.c,v $$Revision: 4.1 $$Date: 92/08/07 17:19:37 $
+/* doop.c
*
- * Copyright (c) 1991, Larry Wall
+ * Copyright (c) 1991-1999, 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: doarg.c,v $
- * Revision 4.1 92/08/07 17:19:37 lwall
- * Stage 6 Snapshot
- *
- * Revision 4.0.1.7 92/06/11 21:07:11 lwall
- * patch34: join with null list attempted negative allocation
- * patch34: sprintf("%6.4s", "abcdefg") didn't print "abcd "
- *
- * Revision 4.0.1.6 92/06/08 12:34:30 lwall
- * patch20: removed implicit int declarations on funcions
- * patch20: pattern modifiers i and o didn't interact right
- * patch20: join() now pre-extends target string to avoid excessive copying
- * patch20: fixed confusion between a *var's real name and its effective name
- * patch20: subroutines didn't localize $`, $&, $', $1 et al correctly
- * patch20: usersub routines didn't reclaim temp values soon enough
- * patch20: ($<,$>) = ... didn't work on some architectures
- * patch20: added Atari ST portability
- *
- * Revision 4.0.1.5 91/11/11 16:31:58 lwall
- * patch19: added little-endian pack/unpack options
- *
- * Revision 4.0.1.4 91/11/05 16:35:06 lwall
- * patch11: /$foo/o optimizer could access deallocated data
- * patch11: minimum match length calculation in regexp is now cumulative
- * patch11: added some support for 64-bit integers
- * patch11: prepared for ctype implementations that don't define isascii()
- * patch11: sprintf() now supports any length of s field
- * patch11: indirect subroutine calls through magic vars (e.g. &$1) didn't work
- * patch11: defined(&$foo) and undef(&$foo) didn't work
- *
- * Revision 4.0.1.3 91/06/10 01:18:41 lwall
- * patch10: pack(hh,1) dumped core
- *
- * Revision 4.0.1.2 91/06/07 10:42:17 lwall
- * patch4: new copyright notice
- * patch4: // wouldn't use previous pattern if it started with a null character
- * patch4: //o and s///o now optimize themselves fully at runtime
- * patch4: added global modifier for pattern matches
- * patch4: undef @array disabled "@array" interpolation
- * patch4: chop("") was returning "\0" rather than ""
- * patch4: vector logical operations &, | and ^ sometimes returned null string
- * patch4: syscall couldn't pass numbers with most significant bit set on sparcs
- *
- * Revision 4.0.1.1 91/04/11 17:40:14 lwall
- * patch1: fixed undefined environ problem
- * patch1: fixed debugger coredump on subroutines
- *
- * Revision 4.0 91/03/20 01:06:42 lwall
- * 4.0 baseline.
- *
+ */
+
+/*
+ * "'So that was the job I felt I had to do when I started,' thought Sam."
*/
#include "EXTERN.h"
+#define PERL_IN_DOOP_C
#include "perl.h"
#if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX)
#include <signal.h>
#endif
-#ifdef BUGGY_MSC
- #pragma function(memcmp)
-#endif /* BUGGY_MSC */
+STATIC I32
+S_do_trans_CC_simple(pTHX_ SV *sv)
+{
+ dTHR;
+ U8 *s;
+ U8 *send;
+ I32 matches = 0;
+ STRLEN len;
+ short *tbl;
+ I32 ch;
-static void doencodes();
+ tbl = (short*)cPVOP->op_pv;
+ if (!tbl)
+ Perl_croak(aTHX_ "panic: do_trans");
-#ifdef BUGGY_MSC
- #pragma intrinsic(memcmp)
-#endif /* BUGGY_MSC */
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
-I32
-do_trans(sv,arg)
-SV *sv;
-OP *arg;
+ while (s < send) {
+ if ((ch = tbl[*s]) >= 0) {
+ matches++;
+ *s = ch;
+ }
+ s++;
+ }
+ SvSETMAGIC(sv);
+
+ return matches;
+}
+
+STATIC I32
+S_do_trans_CC_count(pTHX_ SV *sv)
+{
+ dTHR;
+ U8 *s;
+ U8 *send;
+ I32 matches = 0;
+ STRLEN len;
+ short *tbl;
+
+ tbl = (short*)cPVOP->op_pv;
+ if (!tbl)
+ Perl_croak(aTHX_ "panic: do_trans");
+
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ while (s < send) {
+ if (tbl[*s] >= 0)
+ matches++;
+ s++;
+ }
+
+ return matches;
+}
+
+STATIC I32
+S_do_trans_CC_complex(pTHX_ SV *sv)
{
- register short *tbl;
- register char *s;
- register I32 matches = 0;
- register I32 ch;
- register char *send;
- register char *d;
- register I32 squash = op->op_private & OPpTRANS_SQUASH;
-
- tbl = (short*) cPVOP->op_pv;
- s = SvPVn(sv);
- send = s + SvCUR(sv);
- if (!tbl || !s)
- fatal("panic: do_trans");
- DEBUG_t( deb("2.TBL\n"));
- if (!op->op_private) {
+ dTHR;
+ U8 *s;
+ U8 *send;
+ U8 *d;
+ I32 matches = 0;
+ STRLEN len;
+ short *tbl;
+ I32 ch;
+
+ tbl = (short*)cPVOP->op_pv;
+ if (!tbl)
+ Perl_croak(aTHX_ "panic: do_trans");
+
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ d = s;
+ if (PL_op->op_private & OPpTRANS_SQUASH) {
+ U8* p = send;
+
while (s < send) {
- if ((ch = tbl[*s & 0377]) >= 0) {
+ if ((ch = tbl[*s]) >= 0) {
+ *d = ch;
matches++;
- *s = ch;
+ if (p == d - 1 && *p == *d)
+ matches--;
+ else
+ p = d++;
}
+ else if (ch == -1) /* -1 is unmapped character */
+ *d++ = *s; /* -2 is delete character */
s++;
}
}
else {
- d = s;
while (s < send) {
- if ((ch = tbl[*s & 0377]) >= 0) {
+ if ((ch = tbl[*s]) >= 0) {
*d = ch;
- if (matches++ && squash) {
- if (d[-1] == *d)
- matches--;
- else
- d++;
- }
- else
- d++;
+ matches++;
+ d++;
}
else if (ch == -1) /* -1 is unmapped character */
*d++ = *s; /* -2 is delete character */
s++;
}
- matches += send - d; /* account for disappeared chars */
+ }
+ matches += send - d; /* account for disappeared chars */
+ *d = '\0';
+ SvCUR_set(sv, d - (U8*)SvPVX(sv));
+ SvSETMAGIC(sv);
+
+ return matches;
+}
+
+STATIC I32
+S_do_trans_UU_simple(pTHX_ SV *sv)
+{
+ dTHR;
+ U8 *s;
+ U8 *send;
+ U8 *d;
+ I32 matches = 0;
+ STRLEN len;
+
+ SV* rv = (SV*)cSVOP->op_sv;
+ HV* hv = (HV*)SvRV(rv);
+ SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
+ UV none = svp ? SvUV(*svp) : 0x7fffffff;
+ UV extra = none + 1;
+ UV final;
+ UV uv;
+
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ svp = hv_fetch(hv, "FINAL", 5, FALSE);
+ if (svp)
+ final = SvUV(*svp);
+
+ d = s;
+ while (s < send) {
+ if ((uv = swash_fetch(rv, s)) < none) {
+ s += UTF8SKIP(s);
+ matches++;
+ d = uv_to_utf8(d, uv);
+ }
+ else if (uv == none) {
+ int i;
+ for (i = UTF8SKIP(s); i; i--)
+ *d++ = *s++;
+ }
+ else if (uv == extra) {
+ s += UTF8SKIP(s);
+ matches++;
+ d = uv_to_utf8(d, final);
+ }
+ else
+ s += UTF8SKIP(s);
+ }
+ *d = '\0';
+ SvCUR_set(sv, d - (U8*)SvPVX(sv));
+ SvSETMAGIC(sv);
+
+ return matches;
+}
+
+STATIC I32
+S_do_trans_UU_count(pTHX_ SV *sv)
+{
+ dTHR;
+ U8 *s;
+ U8 *send;
+ I32 matches = 0;
+ STRLEN len;
+
+ SV* rv = (SV*)cSVOP->op_sv;
+ HV* hv = (HV*)SvRV(rv);
+ SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
+ UV none = svp ? SvUV(*svp) : 0x7fffffff;
+ UV uv;
+
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ while (s < send) {
+ if ((uv = swash_fetch(rv, s)) < none)
+ matches++;
+ s += UTF8SKIP(s);
+ }
+
+ return matches;
+}
+
+STATIC I32
+S_do_trans_UC_simple(pTHX_ SV *sv)
+{
+ dTHR;
+ U8 *s;
+ U8 *send;
+ U8 *d;
+ I32 matches = 0;
+ STRLEN len;
+
+ SV* rv = (SV*)cSVOP->op_sv;
+ HV* hv = (HV*)SvRV(rv);
+ SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
+ UV none = svp ? SvUV(*svp) : 0x7fffffff;
+ UV extra = none + 1;
+ UV final;
+ UV uv;
+
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ svp = hv_fetch(hv, "FINAL", 5, FALSE);
+ if (svp)
+ final = SvUV(*svp);
+
+ d = s;
+ while (s < send) {
+ if ((uv = swash_fetch(rv, s)) < none) {
+ s += UTF8SKIP(s);
+ matches++;
+ *d++ = (U8)uv;
+ }
+ else if (uv == none) {
+ I32 ulen;
+ uv = utf8_to_uv(s, &ulen);
+ s += ulen;
+ *d++ = (U8)uv;
+ }
+ else if (uv == extra) {
+ s += UTF8SKIP(s);
+ matches++;
+ *d++ = (U8)final;
+ }
+ else
+ s += UTF8SKIP(s);
+ }
+ *d = '\0';
+ SvCUR_set(sv, d - (U8*)SvPVX(sv));
+ SvSETMAGIC(sv);
+
+ return matches;
+}
+
+STATIC I32
+S_do_trans_CU_simple(pTHX_ SV *sv)
+{
+ dTHR;
+ U8 *s;
+ U8 *send;
+ U8 *d;
+ U8 *dst;
+ I32 matches = 0;
+ STRLEN len;
+
+ SV* rv = (SV*)cSVOP->op_sv;
+ HV* hv = (HV*)SvRV(rv);
+ SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
+ UV none = svp ? SvUV(*svp) : 0x7fffffff;
+ UV extra = none + 1;
+ UV final;
+ UV uv;
+ U8 tmpbuf[10];
+ I32 bits = 16;
+
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ svp = hv_fetch(hv, "BITS", 4, FALSE);
+ if (svp)
+ bits = (I32)SvIV(*svp);
+
+ svp = hv_fetch(hv, "FINAL", 5, FALSE);
+ if (svp)
+ final = SvUV(*svp);
+
+ Newz(801, d, len * (bits >> 3) + 1, U8);
+ dst = d;
+
+ while (s < send) {
+ uv = *s++;
+ if (uv < 0x80)
+ tmpbuf[0] = uv;
+ else {
+ tmpbuf[0] = (( uv >> 6) | 0xc0);
+ tmpbuf[1] = (( uv & 0x3f) | 0x80);
+ }
+
+ if ((uv = swash_fetch(rv, tmpbuf)) < none) {
+ matches++;
+ d = uv_to_utf8(d, uv);
+ }
+ else if (uv == none)
+ d = uv_to_utf8(d, s[-1]);
+ else if (uv == extra) {
+ matches++;
+ d = uv_to_utf8(d, final);
+ }
+ }
+ *d = '\0';
+ sv_usepvn_mg(sv, (char*)dst, d - dst);
+
+ return matches;
+}
+
+/* utf-8 to latin-1 */
+
+STATIC I32
+S_do_trans_UC_trivial(pTHX_ SV *sv)
+{
+ dTHR;
+ U8 *s;
+ U8 *send;
+ U8 *d;
+ STRLEN len;
+
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ d = s;
+ while (s < send) {
+ if (*s < 0x80)
+ *d++ = *s++;
+ else {
+ I32 ulen;
+ UV uv = utf8_to_uv(s, &ulen);
+ s += ulen;
+ *d++ = (U8)uv;
+ }
+ }
+ *d = '\0';
+ SvCUR_set(sv, d - (U8*)SvPVX(sv));
+ SvSETMAGIC(sv);
+
+ return SvCUR(sv);
+}
+
+/* latin-1 to utf-8 */
+
+STATIC I32
+S_do_trans_CU_trivial(pTHX_ SV *sv)
+{
+ dTHR;
+ U8 *s;
+ U8 *send;
+ U8 *d;
+ U8 *dst;
+ I32 matches;
+ STRLEN len;
+
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ Newz(801, d, len * 2 + 1, U8);
+ dst = d;
+
+ matches = send - s;
+
+ while (s < send) {
+ if (*s < 0x80)
+ *d++ = *s++;
+ else {
+ UV uv = *s++;
+ *d++ = (( uv >> 6) | 0xc0);
+ *d++ = (( uv & 0x3f) | 0x80);
+ }
+ }
+ *d = '\0';
+ sv_usepvn_mg(sv, (char*)dst, d - dst);
+
+ return matches;
+}
+
+STATIC I32
+S_do_trans_UU_complex(pTHX_ SV *sv)
+{
+ dTHR;
+ U8 *s;
+ U8 *send;
+ U8 *d;
+ I32 matches = 0;
+ I32 squash = PL_op->op_private & OPpTRANS_SQUASH;
+ I32 from_utf = PL_op->op_private & OPpTRANS_FROM_UTF;
+ I32 to_utf = PL_op->op_private & OPpTRANS_TO_UTF;
+ I32 del = PL_op->op_private & OPpTRANS_DELETE;
+ SV* rv = (SV*)cSVOP->op_sv;
+ HV* hv = (HV*)SvRV(rv);
+ SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
+ UV none = svp ? SvUV(*svp) : 0x7fffffff;
+ UV extra = none + 1;
+ UV final;
+ UV uv;
+ STRLEN len;
+ U8 *dst;
+
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ svp = hv_fetch(hv, "FINAL", 5, FALSE);
+ if (svp)
+ final = SvUV(*svp);
+
+ if (PL_op->op_private & OPpTRANS_GROWS) {
+ I32 bits = 16;
+
+ svp = hv_fetch(hv, "BITS", 4, FALSE);
+ if (svp)
+ bits = (I32)SvIV(*svp);
+
+ Newz(801, d, len * (bits >> 3) + 1, U8);
+ dst = d;
+ }
+ else {
+ d = s;
+ dst = 0;
+ }
+
+ if (squash) {
+ UV puv = 0xfeedface;
+ while (s < send) {
+ if (from_utf) {
+ uv = swash_fetch(rv, s);
+ }
+ else {
+ U8 tmpbuf[2];
+ uv = *s++;
+ if (uv < 0x80)
+ tmpbuf[0] = uv;
+ else {
+ tmpbuf[0] = (( uv >> 6) | 0xc0);
+ tmpbuf[1] = (( uv & 0x3f) | 0x80);
+ }
+ uv = swash_fetch(rv, tmpbuf);
+ }
+ if (uv < none) {
+ matches++;
+ if (uv != puv) {
+ if (uv >= 0x80 && to_utf)
+ d = uv_to_utf8(d, uv);
+ else
+ *d++ = (U8)uv;
+ puv = uv;
+ }
+ if (from_utf)
+ s += UTF8SKIP(s);
+ continue;
+ }
+ else if (uv == none) { /* "none" is unmapped character */
+ if (from_utf) {
+ if (*s < 0x80)
+ *d++ = *s++;
+ else if (to_utf) {
+ int i;
+ for (i = UTF8SKIP(s); i; --i)
+ *d++ = *s++;
+ }
+ else {
+ I32 ulen;
+ *d++ = (U8)utf8_to_uv(s, &ulen);
+ s += ulen;
+ }
+ }
+ else { /* must be to_utf only */
+ d = uv_to_utf8(d, s[-1]);
+ }
+ puv = 0xfeedface;
+ continue;
+ }
+ else if (uv == extra && !del) {
+ matches++;
+ if (uv != puv) {
+ if (final >= 0x80 && to_utf)
+ d = uv_to_utf8(d, final);
+ else
+ *d++ = (U8)final;
+ puv = final;
+ }
+ if (from_utf)
+ s += UTF8SKIP(s);
+ continue;
+ }
+ matches++; /* "none+1" is delete character */
+ if (from_utf)
+ s += UTF8SKIP(s);
+ }
+ }
+ else {
+ while (s < send) {
+ if (from_utf) {
+ uv = swash_fetch(rv, s);
+ }
+ else {
+ U8 tmpbuf[2];
+ uv = *s++;
+ if (uv < 0x80)
+ tmpbuf[0] = uv;
+ else {
+ tmpbuf[0] = (( uv >> 6) | 0xc0);
+ tmpbuf[1] = (( uv & 0x3f) | 0x80);
+ }
+ uv = swash_fetch(rv, tmpbuf);
+ }
+ if (uv < none) {
+ matches++;
+ if (uv >= 0x80 && to_utf)
+ d = uv_to_utf8(d, uv);
+ else
+ *d++ = (U8)uv;
+ if (from_utf)
+ s += UTF8SKIP(s);
+ continue;
+ }
+ else if (uv == none) { /* "none" is unmapped character */
+ if (from_utf) {
+ if (*s < 0x80)
+ *d++ = *s++;
+ else if (to_utf) {
+ int i;
+ for (i = UTF8SKIP(s); i; --i)
+ *d++ = *s++;
+ }
+ else {
+ I32 ulen;
+ *d++ = (U8)utf8_to_uv(s, &ulen);
+ s += ulen;
+ }
+ }
+ else { /* must be to_utf only */
+ d = uv_to_utf8(d, s[-1]);
+ }
+ continue;
+ }
+ else if (uv == extra && !del) {
+ matches++;
+ if (final >= 0x80 && to_utf)
+ d = uv_to_utf8(d, final);
+ else
+ *d++ = (U8)final;
+ if (from_utf)
+ s += UTF8SKIP(s);
+ continue;
+ }
+ matches++; /* "none+1" is delete character */
+ if (from_utf)
+ s += UTF8SKIP(s);
+ }
+ }
+ if (dst)
+ sv_usepvn(sv, (char*)dst, d - dst);
+ else {
*d = '\0';
- SvCUR_set(sv, d - SvPV(sv));
+ SvCUR_set(sv, d - (U8*)SvPVX(sv));
}
SvSETMAGIC(sv);
+
return matches;
}
+I32
+Perl_do_trans(pTHX_ SV *sv)
+{
+ dTHR;
+ STRLEN len;
+
+ if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL))
+ Perl_croak(aTHX_ PL_no_modify);
+
+ (void)SvPV(sv, len);
+ if (!len)
+ return 0;
+ if (!SvPOKp(sv))
+ (void)SvPV_force(sv, len);
+ (void)SvPOK_only(sv);
+
+ DEBUG_t( Perl_deb(aTHX_ "2.TBL\n"));
+
+ switch (PL_op->op_private & 63) {
+ case 0:
+ return do_trans_CC_simple(sv);
+
+ case OPpTRANS_FROM_UTF:
+ return do_trans_UC_simple(sv);
+
+ case OPpTRANS_TO_UTF:
+ return do_trans_CU_simple(sv);
+
+ case OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF:
+ return do_trans_UU_simple(sv);
+
+ case OPpTRANS_IDENTICAL:
+ return do_trans_CC_count(sv);
+
+ case OPpTRANS_FROM_UTF|OPpTRANS_IDENTICAL:
+ return do_trans_UC_trivial(sv);
+
+ case OPpTRANS_TO_UTF|OPpTRANS_IDENTICAL:
+ return do_trans_CU_trivial(sv);
+
+ case OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF|OPpTRANS_IDENTICAL:
+ return do_trans_UU_count(sv);
+
+ default:
+ if (PL_op->op_private & (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF))
+ return do_trans_UU_complex(sv); /* could be UC or CU too */
+ else
+ return do_trans_CC_complex(sv);
+ }
+}
+
void
-do_join(sv,del,mark,sp)
-register SV *sv;
-SV *del;
-register SV **mark;
-register SV **sp;
+Perl_do_join(pTHX_ register SV *sv, SV *del, register SV **mark, register SV **sp)
{
SV **oldmark = mark;
register I32 items = sp - mark;
- register char *delim = SvPVn(del);
register STRLEN len;
- I32 delimlen = SvCUR(del);
+ STRLEN delimlen;
+ register char *delim = SvPV(del, delimlen);
+ STRLEN tmplen;
mark++;
len = (items > 0 ? (delimlen * (items - 1) ) : 0);
- if (SvTYPE(sv) < SVt_PV)
- sv_upgrade(sv, SVt_PV);
+ (void)SvUPGRADE(sv, SVt_PV);
if (SvLEN(sv) < len + items) { /* current length is way too short */
while (items-- > 0) {
- if (*mark) {
- if (!SvPOK(*mark)) {
- sv_2pv(*mark);
- if (!SvPOK(*mark))
- *mark = &sv_no;
- }
- len += SvCUR((*mark));
+ if (*mark && !SvGMAGICAL(*mark) && SvOK(*mark)) {
+ SvPV(*mark, tmplen);
+ len += tmplen;
}
mark++;
}
SvGROW(sv, len + 1); /* so try to pre-extend */
mark = oldmark;
- items = sp - mark;;
+ items = sp - mark;
++mark;
}
- if (items-- > 0)
- sv_setsv(sv, *mark++);
+ if (items-- > 0) {
+ char *s;
+
+ if (*mark) {
+ s = SvPV(*mark, tmplen);
+ sv_setpvn(sv, s, tmplen);
+ }
+ else
+ sv_setpv(sv, "");
+ mark++;
+ }
else
sv_setpv(sv,"");
len = delimlen;
}
void
-do_sprintf(sv,len,sarg)
-register SV *sv;
-register I32 len;
-register SV **sarg;
+Perl_do_sprintf(pTHX_ SV *sv, I32 len, SV **sarg)
{
- register char *s;
- register char *t;
- register char *f;
- bool dolong;
-#ifdef QUAD
- bool doquad;
-#endif /* QUAD */
- char ch;
- register char *send;
- register SV *arg;
- char *xs;
- I32 xlen;
- I32 pre;
- I32 post;
- double value;
-
- sv_setpv(sv,"");
- len--; /* don't count pattern string */
- t = s = SvPVn(*sarg);
- send = s + SvCUR(*sarg);
- sarg++;
- for ( ; ; len--) {
-
- /*SUPPRESS 560*/
- if (len <= 0 || !(arg = *sarg++))
- arg = &sv_no;
-
- /*SUPPRESS 530*/
- for ( ; t < send && *t != '%'; t++) ;
- if (t >= send)
- break; /* end of run_format string, ignore extra args */
- f = t;
- *buf = '\0';
- xs = buf;
-#ifdef QUAD
- doquad =
-#endif /* QUAD */
- dolong = FALSE;
- pre = post = 0;
- for (t++; t < send; t++) {
- switch (*t) {
- default:
- ch = *(++t);
- *t = '\0';
- (void)sprintf(xs,f);
- len++, sarg--;
- xlen = strlen(xs);
- break;
- case '0': case '1': case '2': case '3': case '4':
- case '5': case '6': case '7': case '8': case '9':
- case '.': case '#': case '-': case '+': case ' ':
- continue;
- case 'lXXX':
-#ifdef QUAD
- if (dolong) {
- dolong = FALSE;
- doquad = TRUE;
- } else
-#endif
- dolong = TRUE;
- continue;
- case 'c':
- ch = *(++t);
- *t = '\0';
- xlen = SvIVn(arg);
- if (strEQ(f,"%c")) { /* some printfs fail on null chars */
- *xs = xlen;
- xs[1] = '\0';
- xlen = 1;
- }
- else {
- (void)sprintf(xs,f,xlen);
- xlen = strlen(xs);
- }
- break;
- case 'D':
- dolong = TRUE;
- /* FALL THROUGH */
- case 'd':
- ch = *(++t);
- *t = '\0';
-#ifdef QUAD
- if (doquad)
- (void)sprintf(buf,s,(quad)SvNVn(arg));
- else
-#endif
- if (dolong)
- (void)sprintf(xs,f,(long)SvNVn(arg));
- else
- (void)sprintf(xs,f,SvIVn(arg));
- xlen = strlen(xs);
- break;
- case 'X': case 'O':
- dolong = TRUE;
- /* FALL THROUGH */
- case 'x': case 'o': case 'u':
- ch = *(++t);
- *t = '\0';
- value = SvNVn(arg);
-#ifdef QUAD
- if (doquad)
- (void)sprintf(buf,s,(unsigned quad)value);
- else
-#endif
- if (dolong)
- (void)sprintf(xs,f,U_L(value));
- else
- (void)sprintf(xs,f,U_I(value));
- xlen = strlen(xs);
- break;
- case 'E': case 'e': case 'f': case 'G': case 'g':
- ch = *(++t);
- *t = '\0';
- (void)sprintf(xs,f,SvNVn(arg));
- xlen = strlen(xs);
- break;
- case 's':
- ch = *(++t);
- *t = '\0';
- xs = SvPVn(arg);
- if (SvPOK(arg))
- xlen = SvCUR(arg);
- else
- xlen = strlen(xs);
- if (strEQ(f,"%s")) { /* some printfs fail on >128 chars */
- break; /* so handle simple cases */
- }
- else if (f[1] == '-') {
- char *mp = index(f, '.');
- I32 min = atoi(f+2);
-
- if (mp) {
- I32 max = atoi(mp+1);
-
- if (xlen > max)
- xlen = max;
- }
- if (xlen < min)
- post = min - xlen;
- break;
- }
- else if (isDIGIT(f[1])) {
- char *mp = index(f, '.');
- I32 min = atoi(f+1);
+ STRLEN patlen;
+ char *pat = SvPV(*sarg, patlen);
+ bool do_taint = FALSE;
- if (mp) {
- I32 max = atoi(mp+1);
-
- if (xlen > max)
- xlen = max;
- }
- if (xlen < min)
- pre = min - xlen;
- break;
- }
- strcpy(tokenbuf+64,f); /* sprintf($s,...$s...) */
- *t = ch;
- (void)sprintf(buf,tokenbuf+64,xs);
- xs = buf;
- xlen = strlen(xs);
- break;
- }
- /* end of switch, copy results */
- *t = ch;
- SvGROW(sv, SvCUR(sv) + (f - s) + xlen + 1 + pre + post);
- sv_catpvn(sv, s, f - s);
- if (pre) {
- repeatcpy(SvPV(sv) + SvCUR(sv), " ", 1, pre);
- SvCUR(sv) += pre;
- }
- sv_catpvn(sv, xs, xlen);
- if (post) {
- repeatcpy(SvPV(sv) + SvCUR(sv), " ", 1, post);
- SvCUR(sv) += post;
- }
- s = t;
- break; /* break from for loop */
- }
- }
- sv_catpvn(sv, s, t - s);
+ sv_vsetpvfn(sv, pat, patlen, Null(va_list*), sarg + 1, len - 1, &do_taint);
SvSETMAGIC(sv);
+ if (do_taint)
+ SvTAINTED_on(sv);
}
void
-do_vecset(sv)
-SV *sv;
+Perl_do_vecset(pTHX_ SV *sv)
{
SV *targ = LvTARG(sv);
register I32 offset;
register I32 size;
- register unsigned char *s = (unsigned char*)SvPV(targ);
- register unsigned long lval = U_L(SvNVn(sv));
+ register unsigned char *s;
+ register unsigned long lval;
I32 mask;
+ STRLEN targlen;
+ STRLEN len;
+ if (!targ)
+ return;
+ s = (unsigned char*)SvPV_force(targ, targlen);
+ lval = U_L(SvNV(sv));
offset = LvTARGOFF(sv);
size = LvTARGLEN(sv);
+
+ len = (offset + size + 7) / 8;
+ if (len > targlen) {
+ s = (unsigned char*)SvGROW(targ, len + 1);
+ (void)memzero(s + targlen, len - targlen + 1);
+ SvCUR_set(targ, len);
+ }
+
if (size < 8) {
mask = (1 << size) - 1;
size = offset & 7;
s[offset] |= lval << size;
}
else {
+ offset >>= 3;
if (size == 8)
s[offset] = lval & 255;
else if (size == 16) {
s[offset+3] = lval & 255;
}
}
+ SvSETMAGIC(targ);
}
void
-do_chop(astr,sv)
-register SV *astr;
-register SV *sv;
+Perl_do_chop(pTHX_ register SV *astr, register SV *sv)
{
- register char *tmps;
- register I32 i;
- AV *ary;
- HV *hash;
- HE *entry;
-
- if (!sv)
- return;
+ STRLEN len;
+ char *s;
+ dTHR;
+
if (SvTYPE(sv) == SVt_PVAV) {
- I32 max;
- SV **array = AvARRAY(sv);
- max = AvFILL(sv);
- for (i = 0; i <= max; i++)
- do_chop(astr,array[i]);
- return;
+ register I32 i;
+ I32 max;
+ AV* av = (AV*)sv;
+ max = AvFILL(av);
+ for (i = 0; i <= max; i++) {
+ sv = (SV*)av_fetch(av, i, FALSE);
+ if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef))
+ do_chop(astr, sv);
+ }
+ return;
}
- if (SvTYPE(sv) == SVt_PVHV) {
- hash = (HV*)sv;
- (void)hv_iterinit(hash);
- /*SUPPRESS 560*/
- while (entry = hv_iternext(hash))
- do_chop(astr,hv_iterval(hash,entry));
- return;
+ else if (SvTYPE(sv) == SVt_PVHV) {
+ HV* hv = (HV*)sv;
+ HE* entry;
+ (void)hv_iterinit(hv);
+ /*SUPPRESS 560*/
+ while (entry = hv_iternext(hv))
+ do_chop(astr,hv_iterval(hv,entry));
+ return;
}
- tmps = SvPVn(sv);
- if (tmps && SvCUR(sv)) {
- tmps += SvCUR(sv) - 1;
- sv_setpvn(astr,tmps,1); /* remember last char */
- *tmps = '\0'; /* wipe it out */
- SvCUR_set(sv, tmps - SvPV(sv));
- SvNOK_off(sv);
- SvSETMAGIC(sv);
+ else if (SvREADONLY(sv))
+ Perl_croak(aTHX_ PL_no_modify);
+ s = SvPV(sv, len);
+ if (len && !SvPOK(sv))
+ s = SvPV_force(sv, len);
+ if (IN_UTF8) {
+ if (s && len) {
+ char *send = s + len;
+ char *start = s;
+ s = send - 1;
+ while ((*s & 0xc0) == 0x80)
+ --s;
+ if (UTF8SKIP(s) != send - s && ckWARN_d(WARN_UTF8))
+ Perl_warner(aTHX_ WARN_UTF8, "Malformed UTF-8 character");
+ sv_setpvn(astr, s, send - s);
+ *s = '\0';
+ SvCUR_set(sv, s - start);
+ SvNIOK_off(sv);
+ }
+ else
+ sv_setpvn(astr, "", 0);
}
else
- sv_setpvn(astr,"",0);
-}
+ if (s && len) {
+ s += --len;
+ sv_setpvn(astr, s, 1);
+ *s = '\0';
+ SvCUR_set(sv, len);
+ SvNIOK_off(sv);
+ }
+ else
+ sv_setpvn(astr, "", 0);
+ SvSETMAGIC(sv);
+}
+
+I32
+Perl_do_chomp(pTHX_ register SV *sv)
+{
+ dTHR;
+ register I32 count;
+ STRLEN len;
+ char *s;
+
+ if (RsSNARF(PL_rs))
+ return 0;
+ if (RsRECORD(PL_rs))
+ return 0;
+ count = 0;
+ if (SvTYPE(sv) == SVt_PVAV) {
+ register I32 i;
+ I32 max;
+ AV* av = (AV*)sv;
+ max = AvFILL(av);
+ for (i = 0; i <= max; i++) {
+ sv = (SV*)av_fetch(av, i, FALSE);
+ if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef))
+ count += do_chomp(sv);
+ }
+ return count;
+ }
+ else if (SvTYPE(sv) == SVt_PVHV) {
+ HV* hv = (HV*)sv;
+ HE* entry;
+ (void)hv_iterinit(hv);
+ /*SUPPRESS 560*/
+ while (entry = hv_iternext(hv))
+ count += do_chomp(hv_iterval(hv,entry));
+ return count;
+ }
+ else if (SvREADONLY(sv))
+ Perl_croak(aTHX_ PL_no_modify);
+ s = SvPV(sv, len);
+ if (len && !SvPOKp(sv))
+ s = SvPV_force(sv, len);
+ if (s && len) {
+ s += --len;
+ if (RsPARA(PL_rs)) {
+ if (*s != '\n')
+ goto nope;
+ ++count;
+ while (len && s[-1] == '\n') {
+ --len;
+ --s;
+ ++count;
+ }
+ }
+ else {
+ STRLEN rslen;
+ char *rsptr = SvPV(PL_rs, rslen);
+ if (rslen == 1) {
+ if (*s != *rsptr)
+ goto nope;
+ ++count;
+ }
+ else {
+ if (len < rslen - 1)
+ goto nope;
+ len -= rslen - 1;
+ s -= rslen - 1;
+ if (memNE(s, rsptr, rslen))
+ goto nope;
+ count += rslen;
+ }
+ }
+ *s = '\0';
+ SvCUR_set(sv, len);
+ SvNIOK_off(sv);
+ }
+ nope:
+ SvSETMAGIC(sv);
+ return count;
+}
void
-do_vop(optype,sv,left,right)
-I32 optype;
-SV *sv;
-SV *left;
-SV *right;
+Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right)
{
+ dTHR; /* just for taint */
#ifdef LIBERAL
register long *dl;
register long *ll;
register long *rl;
#endif
register char *dc;
- register char *lc = SvPVn(left);
- register char *rc = SvPVn(right);
+ STRLEN leftlen;
+ STRLEN rightlen;
+ register char *lc;
+ register char *rc;
register I32 len;
+ I32 lensave;
+ char *lsave;
+ char *rsave;
- len = SvCUR(left);
- if (len > SvCUR(right))
- len = SvCUR(right);
- if (SvTYPE(sv) < SVt_PV)
- sv_upgrade(sv, SVt_PV);
- if (SvCUR(sv) > len)
- SvCUR_set(sv, len);
- else if (SvCUR(sv) < len) {
- SvGROW(sv,len);
- (void)memzero(SvPV(sv) + SvCUR(sv), len - SvCUR(sv));
- SvCUR_set(sv, len);
+ if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv)))
+ sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */
+ lsave = lc = SvPV(left, leftlen);
+ rsave = rc = SvPV(right, rightlen);
+ len = leftlen < rightlen ? leftlen : rightlen;
+ lensave = len;
+ if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) {
+ STRLEN n_a;
+ dc = SvPV_force(sv, n_a);
+ if (SvCUR(sv) < len) {
+ dc = SvGROW(sv, len + 1);
+ (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1);
+ }
}
- SvPOK_only(sv);
- dc = SvPV(sv);
- if (!dc) {
- sv_setpvn(sv,"",0);
- dc = SvPV(sv);
+ else {
+ I32 needlen = ((optype == OP_BIT_AND)
+ ? len : (leftlen > rightlen ? leftlen : rightlen));
+ Newz(801, dc, needlen + 1, char);
+ (void)sv_usepvn(sv, dc, needlen);
+ dc = SvPVX(sv); /* sv_usepvn() calls Renew() */
}
+ SvCUR_set(sv, len);
+ (void)SvPOK_only(sv);
#ifdef LIBERAL
if (len >= sizeof(long)*4 &&
!((long)dc % sizeof(long)) &&
*dl++ = *ll++ & *rl++;
}
break;
- case OP_XOR:
+ case OP_BIT_XOR:
while (len--) {
*dl++ = *ll++ ^ *rl++;
*dl++ = *ll++ ^ *rl++;
len = remainder;
}
#endif
- switch (optype) {
- case OP_BIT_AND:
- while (len--)
- *dc++ = *lc++ & *rc++;
- break;
- case OP_XOR:
- while (len--)
- *dc++ = *lc++ ^ *rc++;
- goto mop_up;
- case OP_BIT_OR:
- while (len--)
- *dc++ = *lc++ | *rc++;
- mop_up:
- len = SvCUR(sv);
- if (SvCUR(right) > len)
- sv_catpvn(sv,SvPV(right)+len,SvCUR(right) - len);
- else if (SvCUR(left) > len)
- sv_catpvn(sv,SvPV(left)+len,SvCUR(left) - len);
- break;
+ {
+ switch (optype) {
+ case OP_BIT_AND:
+ while (len--)
+ *dc++ = *lc++ & *rc++;
+ break;
+ case OP_BIT_XOR:
+ while (len--)
+ *dc++ = *lc++ ^ *rc++;
+ goto mop_up;
+ case OP_BIT_OR:
+ while (len--)
+ *dc++ = *lc++ | *rc++;
+ mop_up:
+ len = lensave;
+ if (rightlen > len)
+ sv_catpvn(sv, rsave + len, rightlen - len);
+ else if (leftlen > len)
+ sv_catpvn(sv, lsave + len, leftlen - len);
+ else
+ *SvEND(sv) = '\0';
+ break;
+ }
}
+ SvTAINT(sv);
}
+
+OP *
+Perl_do_kv(pTHX)
+{
+ djSP;
+ HV *hv = (HV*)POPs;
+ HV *keys;
+ register HE *entry;
+ SV *tmpstr;
+ I32 gimme = GIMME_V;
+ I32 dokeys = (PL_op->op_type == OP_KEYS);
+ I32 dovalues = (PL_op->op_type == OP_VALUES);
+ I32 realhv = (SvTYPE(hv) == SVt_PVHV);
+
+ if (PL_op->op_type == OP_RV2HV || PL_op->op_type == OP_PADHV)
+ dokeys = dovalues = TRUE;
+
+ if (!hv) {
+ if (PL_op->op_flags & OPf_MOD) { /* lvalue */
+ dTARGET; /* make sure to clear its target here */
+ if (SvTYPE(TARG) == SVt_PVLV)
+ LvTARG(TARG) = Nullsv;
+ PUSHs(TARG);
+ }
+ RETURN;
+ }
+
+ keys = realhv ? hv : avhv_keys((AV*)hv);
+ (void)hv_iterinit(keys); /* always reset iterator regardless */
+
+ if (gimme == G_VOID)
+ RETURN;
+
+ if (gimme == G_SCALAR) {
+ IV i;
+ dTARGET;
+
+ if (PL_op->op_flags & OPf_MOD) { /* lvalue */
+ if (SvTYPE(TARG) < SVt_PVLV) {
+ sv_upgrade(TARG, SVt_PVLV);
+ sv_magic(TARG, Nullsv, 'k', Nullch, 0);
+ }
+ LvTYPE(TARG) = 'k';
+ if (LvTARG(TARG) != (SV*)keys) {
+ if (LvTARG(TARG))
+ SvREFCNT_dec(LvTARG(TARG));
+ LvTARG(TARG) = SvREFCNT_inc(keys);
+ }
+ PUSHs(TARG);
+ RETURN;
+ }
+
+ if (! SvTIED_mg((SV*)keys, 'P'))
+ i = HvKEYS(keys);
+ else {
+ i = 0;
+ /*SUPPRESS 560*/
+ while (hv_iternext(keys)) i++;
+ }
+ PUSHi( i );
+ RETURN;
+ }
+
+ EXTEND(SP, HvKEYS(keys) * (dokeys + dovalues));
+
+ PUTBACK; /* hv_iternext and hv_iterval might clobber stack_sp */
+ while (entry = hv_iternext(keys)) {
+ SPAGAIN;
+ if (dokeys)
+ XPUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */
+ if (dovalues) {
+ PUTBACK;
+ tmpstr = realhv ?
+ hv_iterval(hv,entry) : avhv_iterval((AV*)hv,entry);
+ DEBUG_H(Perl_sv_setpvf(aTHX_ tmpstr, "%lu%%%d=%lu",
+ (unsigned long)HeHASH(entry),
+ HvMAX(keys)+1,
+ (unsigned long)(HeHASH(entry) & HvMAX(keys))));
+ SPAGAIN;
+ XPUSHs(tmpstr);
+ }
+ PUTBACK;
+ }
+ return NORMAL;
+}
+
https://perl5.git.perl.org / perl5.git / blobdiff