1283 lines
28 KiB
C
1283 lines
28 KiB
C
/* doop.c
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*
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* Copyright (c) 1991-2001, Larry Wall
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*
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* You may distribute under the terms of either the GNU General Public
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* License or the Artistic License, as specified in the README file.
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*
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*/
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/*
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* "'So that was the job I felt I had to do when I started,' thought Sam."
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*/
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#include "EXTERN.h"
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#define PERL_IN_DOOP_C
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#include "perl.h"
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#if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX)
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#include <signal.h>
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#endif
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STATIC I32
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S_do_trans_simple(pTHX_ SV *sv)
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{
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U8 *s;
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U8 *d;
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U8 *send;
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U8 *dstart;
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I32 matches = 0;
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I32 grows = PL_op->op_private & OPpTRANS_GROWS;
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STRLEN len;
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short *tbl;
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I32 ch;
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tbl = (short*)cPVOP->op_pv;
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if (!tbl)
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Perl_croak(aTHX_ "panic: do_trans_simple");
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s = (U8*)SvPV(sv, len);
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send = s + len;
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/* First, take care of non-UTF8 input strings, because they're easy */
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if (!SvUTF8(sv)) {
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while (s < send) {
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if ((ch = tbl[*s]) >= 0) {
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matches++;
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*s++ = ch;
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}
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else
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s++;
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}
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SvSETMAGIC(sv);
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return matches;
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}
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/* Allow for expansion: $_="a".chr(400); tr/a/\xFE/, FE needs encoding */
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if (grows)
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New(0, d, len*2+1, U8);
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else
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d = s;
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dstart = d;
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while (s < send) {
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STRLEN ulen;
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UV c;
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/* Need to check this, otherwise 128..255 won't match */
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c = utf8_to_uv(s, send - s, &ulen, 0);
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if (c < 0x100 && (ch = tbl[c]) >= 0) {
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matches++;
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if (UTF8_IS_ASCII(ch))
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*d++ = ch;
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else
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d = uv_to_utf8(d,ch);
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s += ulen;
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}
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else { /* No match -> copy */
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Copy(s, d, ulen, U8);
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d += ulen;
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s += ulen;
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}
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}
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if (grows) {
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sv_setpvn(sv, (char*)dstart, d - dstart);
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Safefree(dstart);
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}
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else {
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*d = '\0';
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SvCUR_set(sv, d - dstart);
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}
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SvUTF8_on(sv);
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SvSETMAGIC(sv);
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return matches;
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}
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STATIC I32
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S_do_trans_count(pTHX_ SV *sv)/* SPC - OK */
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{
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U8 *s;
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U8 *send;
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I32 matches = 0;
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STRLEN len;
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short *tbl;
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tbl = (short*)cPVOP->op_pv;
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if (!tbl)
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Perl_croak(aTHX_ "panic: do_trans_count");
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s = (U8*)SvPV(sv, len);
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send = s + len;
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if (!SvUTF8(sv))
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while (s < send) {
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if (tbl[*s++] >= 0)
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matches++;
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}
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else
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while (s < send) {
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UV c;
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STRLEN ulen;
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c = utf8_to_uv(s, send - s, &ulen, 0);
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if (c < 0x100 && tbl[c] >= 0)
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matches++;
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s += ulen;
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}
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return matches;
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}
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STATIC I32
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S_do_trans_complex(pTHX_ SV *sv)/* SPC - NOT OK */
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{
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U8 *s;
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U8 *send;
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U8 *d;
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U8 *dstart;
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I32 isutf8;
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I32 matches = 0;
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I32 grows = PL_op->op_private & OPpTRANS_GROWS;
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STRLEN len;
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short *tbl;
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I32 ch;
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tbl = (short*)cPVOP->op_pv;
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if (!tbl)
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Perl_croak(aTHX_ "panic: do_trans_complex");
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s = (U8*)SvPV(sv, len);
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isutf8 = SvUTF8(sv);
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send = s + len;
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if (!isutf8) {
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dstart = d = s;
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if (PL_op->op_private & OPpTRANS_SQUASH) {
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U8* p = send;
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while (s < send) {
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if ((ch = tbl[*s]) >= 0) {
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*d = ch;
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matches++;
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if (p != d - 1 || *p != *d)
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p = d++;
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}
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else if (ch == -1) /* -1 is unmapped character */
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*d++ = *s;
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else if (ch == -2) /* -2 is delete character */
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matches++;
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s++;
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}
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}
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else {
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while (s < send) {
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if ((ch = tbl[*s]) >= 0) {
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matches++;
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*d++ = ch;
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}
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else if (ch == -1) /* -1 is unmapped character */
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*d++ = *s;
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else if (ch == -2) /* -2 is delete character */
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matches++;
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s++;
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}
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}
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*d = '\0';
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SvCUR_set(sv, d - dstart);
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}
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else { /* isutf8 */
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if (grows)
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New(0, d, len*2+1, U8);
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else
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d = s;
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dstart = d;
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#ifdef MACOS_TRADITIONAL
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#define comp CoMP /* "comp" is a keyword in some compilers ... */
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#endif
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if (PL_op->op_private & OPpTRANS_SQUASH) {
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U8* p = send;
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UV pch = 0xfeedface;
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while (s < send) {
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STRLEN len;
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UV comp = utf8_to_uv_simple(s, &len);
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if (comp > 0xff) { /* always unmapped */
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Copy(s, d, len, U8);
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d += len;
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}
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else if ((ch = tbl[comp]) >= 0) {
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matches++;
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if (ch != pch) {
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d = uv_to_utf8(d, ch);
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pch = ch;
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}
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s += len;
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continue;
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}
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else if (ch == -1) { /* -1 is unmapped character */
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Copy(s, d, len, U8);
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d += len;
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}
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else if (ch == -2) /* -2 is delete character */
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matches++;
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s += len;
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pch = 0xfeedface;
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}
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}
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else {
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while (s < send) {
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STRLEN len;
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UV comp = utf8_to_uv_simple(s, &len);
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if (comp > 0xff) { /* always unmapped */
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Copy(s, d, len, U8);
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d += len;
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}
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else if ((ch = tbl[comp]) >= 0) {
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d = uv_to_utf8(d, ch);
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matches++;
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}
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else if (ch == -1) { /* -1 is unmapped character */
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Copy(s, d, len, U8);
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d += len;
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}
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else if (ch == -2) /* -2 is delete character */
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matches++;
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s += len;
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}
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}
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if (grows) {
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sv_setpvn(sv, (char*)dstart, d - dstart);
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Safefree(dstart);
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}
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else {
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*d = '\0';
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SvCUR_set(sv, d - dstart);
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}
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SvUTF8_on(sv);
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}
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SvSETMAGIC(sv);
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return matches;
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}
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STATIC I32
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S_do_trans_simple_utf8(pTHX_ SV *sv)/* SPC - OK */
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{
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U8 *s;
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U8 *send;
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U8 *d;
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U8 *start;
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U8 *dstart, *dend;
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I32 matches = 0;
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I32 grows = PL_op->op_private & OPpTRANS_GROWS;
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STRLEN len;
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SV* rv = (SV*)cSVOP->op_sv;
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HV* hv = (HV*)SvRV(rv);
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SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
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UV none = svp ? SvUV(*svp) : 0x7fffffff;
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UV extra = none + 1;
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UV final;
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UV uv;
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I32 isutf8;
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U8 hibit = 0;
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s = (U8*)SvPV(sv, len);
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isutf8 = SvUTF8(sv);
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if (!isutf8) {
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U8 *t = s, *e = s + len;
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while (t < e)
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if ((hibit = UTF8_IS_CONTINUED(*t++)))
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break;
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if (hibit)
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s = bytes_to_utf8(s, &len);
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}
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send = s + len;
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start = s;
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svp = hv_fetch(hv, "FINAL", 5, FALSE);
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if (svp)
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final = SvUV(*svp);
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if (grows) {
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/* d needs to be bigger than s, in case e.g. upgrading is required */
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New(0, d, len*3+UTF8_MAXLEN, U8);
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dend = d + len * 3;
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dstart = d;
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}
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else {
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dstart = d = s;
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dend = d + len;
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}
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while (s < send) {
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if ((uv = swash_fetch(rv, s)) < none) {
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s += UTF8SKIP(s);
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matches++;
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d = uv_to_utf8(d, uv);
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}
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else if (uv == none) {
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int i = UTF8SKIP(s);
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Copy(s, d, i, U8);
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d += i;
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s += i;
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}
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else if (uv == extra) {
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int i = UTF8SKIP(s);
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s += i;
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matches++;
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d = uv_to_utf8(d, final);
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}
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else
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s += UTF8SKIP(s);
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if (d > dend) {
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STRLEN clen = d - dstart;
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STRLEN nlen = dend - dstart + len + UTF8_MAXLEN;
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if (!grows)
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Perl_croak(aTHX_ "panic: do_trans_complex_utf8");
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Renew(dstart, nlen+UTF8_MAXLEN, U8);
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d = dstart + clen;
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dend = dstart + nlen;
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}
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}
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if (grows || hibit) {
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sv_setpvn(sv, (char*)dstart, d - dstart);
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Safefree(dstart);
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if (grows && hibit)
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Safefree(start);
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}
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else {
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*d = '\0';
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SvCUR_set(sv, d - dstart);
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}
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SvSETMAGIC(sv);
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SvUTF8_on(sv);
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if (!isutf8 && !(PL_hints & HINT_UTF8))
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sv_utf8_downgrade(sv, TRUE);
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return matches;
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}
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STATIC I32
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S_do_trans_count_utf8(pTHX_ SV *sv)/* SPC - OK */
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{
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U8 *s;
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U8 *start, *send;
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I32 matches = 0;
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STRLEN len;
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SV* rv = (SV*)cSVOP->op_sv;
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HV* hv = (HV*)SvRV(rv);
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SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
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UV none = svp ? SvUV(*svp) : 0x7fffffff;
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UV uv;
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U8 hibit = 0;
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s = (U8*)SvPV(sv, len);
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if (!SvUTF8(sv)) {
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U8 *t = s, *e = s + len;
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while (t < e)
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if ((hibit = !UTF8_IS_ASCII(*t++)))
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break;
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if (hibit)
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start = s = bytes_to_utf8(s, &len);
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}
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send = s + len;
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while (s < send) {
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if ((uv = swash_fetch(rv, s)) < none)
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matches++;
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s += UTF8SKIP(s);
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}
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if (hibit)
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Safefree(start);
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return matches;
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}
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STATIC I32
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S_do_trans_complex_utf8(pTHX_ SV *sv) /* SPC - NOT OK */
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{
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U8 *s;
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U8 *start, *send;
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U8 *d;
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I32 matches = 0;
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I32 squash = PL_op->op_private & OPpTRANS_SQUASH;
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I32 del = PL_op->op_private & OPpTRANS_DELETE;
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I32 grows = PL_op->op_private & OPpTRANS_GROWS;
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SV* rv = (SV*)cSVOP->op_sv;
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HV* hv = (HV*)SvRV(rv);
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SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
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UV none = svp ? SvUV(*svp) : 0x7fffffff;
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UV extra = none + 1;
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UV final;
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UV uv;
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STRLEN len;
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U8 *dstart, *dend;
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I32 isutf8;
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U8 hibit = 0;
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s = (U8*)SvPV(sv, len);
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isutf8 = SvUTF8(sv);
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if (!isutf8) {
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U8 *t = s, *e = s + len;
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while (t < e)
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if ((hibit = !UTF8_IS_ASCII(*t++)))
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break;
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if (hibit)
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s = bytes_to_utf8(s, &len);
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}
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send = s + len;
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start = s;
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svp = hv_fetch(hv, "FINAL", 5, FALSE);
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if (svp)
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final = SvUV(*svp);
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if (grows) {
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/* d needs to be bigger than s, in case e.g. upgrading is required */
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New(0, d, len*3+UTF8_MAXLEN, U8);
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dend = d + len * 3;
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dstart = d;
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}
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else {
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dstart = d = s;
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dend = d + len;
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}
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if (squash) {
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UV puv = 0xfeedface;
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while (s < send) {
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uv = swash_fetch(rv, s);
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if (d > dend) {
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STRLEN clen = d - dstart;
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STRLEN nlen = dend - dstart + len + UTF8_MAXLEN;
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if (!grows)
|
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Perl_croak(aTHX_ "panic: do_trans_complex_utf8");
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Renew(dstart, nlen+UTF8_MAXLEN, U8);
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d = dstart + clen;
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dend = dstart + nlen;
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}
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if (uv < none) {
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matches++;
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if (uv != puv) {
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d = uv_to_utf8(d, uv);
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puv = uv;
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}
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s += UTF8SKIP(s);
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continue;
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}
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else if (uv == none) { /* "none" is unmapped character */
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int i = UTF8SKIP(s);
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Copy(s, d, i, U8);
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d += i;
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s += i;
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puv = 0xfeedface;
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continue;
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}
|
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else if (uv == extra && !del) {
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matches++;
|
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if (uv != puv) {
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d = uv_to_utf8(d, final);
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puv = final;
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}
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s += UTF8SKIP(s);
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continue;
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}
|
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matches++; /* "none+1" is delete character */
|
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s += UTF8SKIP(s);
|
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}
|
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}
|
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else {
|
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while (s < send) {
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uv = swash_fetch(rv, s);
|
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if (d > dend) {
|
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STRLEN clen = d - dstart;
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STRLEN nlen = dend - dstart + len + UTF8_MAXLEN;
|
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if (!grows)
|
|
Perl_croak(aTHX_ "panic: do_trans_complex_utf8");
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Renew(dstart, nlen+UTF8_MAXLEN, U8);
|
|
d = dstart + clen;
|
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dend = dstart + nlen;
|
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}
|
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if (uv < none) {
|
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matches++;
|
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d = uv_to_utf8(d, uv);
|
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s += UTF8SKIP(s);
|
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continue;
|
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}
|
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else if (uv == none) { /* "none" is unmapped character */
|
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int i = UTF8SKIP(s);
|
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Copy(s, d, i, U8);
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d += i;
|
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s += i;
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continue;
|
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}
|
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else if (uv == extra && !del) {
|
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matches++;
|
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d = uv_to_utf8(d, final);
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s += UTF8SKIP(s);
|
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continue;
|
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}
|
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matches++; /* "none+1" is delete character */
|
|
s += UTF8SKIP(s);
|
|
}
|
|
}
|
|
if (grows || hibit) {
|
|
sv_setpvn(sv, (char*)dstart, d - dstart);
|
|
Safefree(dstart);
|
|
if (grows && hibit)
|
|
Safefree(start);
|
|
}
|
|
else {
|
|
*d = '\0';
|
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SvCUR_set(sv, d - dstart);
|
|
}
|
|
SvUTF8_on(sv);
|
|
if (!isutf8 && !(PL_hints & HINT_UTF8))
|
|
sv_utf8_downgrade(sv, TRUE);
|
|
SvSETMAGIC(sv);
|
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|
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return matches;
|
|
}
|
|
|
|
I32
|
|
Perl_do_trans(pTHX_ SV *sv)
|
|
{
|
|
STRLEN len;
|
|
I32 hasutf = (PL_op->op_private &
|
|
(OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF));
|
|
|
|
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);
|
|
if (!(PL_op->op_private & OPpTRANS_IDENTICAL))
|
|
(void)SvPOK_only_UTF8(sv);
|
|
|
|
DEBUG_t( Perl_deb(aTHX_ "2.TBL\n"));
|
|
|
|
switch (PL_op->op_private & ~hasutf & 63) {
|
|
case 0:
|
|
if (hasutf)
|
|
return do_trans_simple_utf8(sv);
|
|
else
|
|
return do_trans_simple(sv);
|
|
|
|
case OPpTRANS_IDENTICAL:
|
|
if (hasutf)
|
|
return do_trans_count_utf8(sv);
|
|
else
|
|
return do_trans_count(sv);
|
|
|
|
default:
|
|
if (hasutf)
|
|
return do_trans_complex_utf8(sv);
|
|
else
|
|
return do_trans_complex(sv);
|
|
}
|
|
}
|
|
|
|
void
|
|
Perl_do_join(pTHX_ register SV *sv, SV *del, register SV **mark, register SV **sp)
|
|
{
|
|
SV **oldmark = mark;
|
|
register I32 items = sp - mark;
|
|
register STRLEN len;
|
|
STRLEN delimlen;
|
|
register char *delim = SvPV(del, delimlen);
|
|
STRLEN tmplen;
|
|
|
|
mark++;
|
|
len = (items > 0 ? (delimlen * (items - 1) ) : 0);
|
|
(void)SvUPGRADE(sv, SVt_PV);
|
|
if (SvLEN(sv) < len + items) { /* current length is way too short */
|
|
while (items-- > 0) {
|
|
if (*mark && !SvGAMAGIC(*mark) && SvOK(*mark)) {
|
|
SvPV(*mark, tmplen);
|
|
len += tmplen;
|
|
}
|
|
mark++;
|
|
}
|
|
SvGROW(sv, len + 1); /* so try to pre-extend */
|
|
|
|
mark = oldmark;
|
|
items = sp - mark;
|
|
++mark;
|
|
}
|
|
|
|
if (items-- > 0) {
|
|
sv_setpv(sv, "");
|
|
if (*mark)
|
|
sv_catsv(sv, *mark);
|
|
mark++;
|
|
}
|
|
else
|
|
sv_setpv(sv,"");
|
|
if (delimlen) {
|
|
for (; items > 0; items--,mark++) {
|
|
sv_catsv(sv,del);
|
|
sv_catsv(sv,*mark);
|
|
}
|
|
}
|
|
else {
|
|
for (; items > 0; items--,mark++)
|
|
sv_catsv(sv,*mark);
|
|
}
|
|
SvSETMAGIC(sv);
|
|
}
|
|
|
|
void
|
|
Perl_do_sprintf(pTHX_ SV *sv, I32 len, SV **sarg)
|
|
{
|
|
STRLEN patlen;
|
|
char *pat = SvPV(*sarg, patlen);
|
|
bool do_taint = FALSE;
|
|
|
|
sv_vsetpvfn(sv, pat, patlen, Null(va_list*), sarg + 1, len - 1, &do_taint);
|
|
SvSETMAGIC(sv);
|
|
if (do_taint)
|
|
SvTAINTED_on(sv);
|
|
}
|
|
|
|
/* currently converts input to bytes if possible, but doesn't sweat failure */
|
|
UV
|
|
Perl_do_vecget(pTHX_ SV *sv, I32 offset, I32 size)
|
|
{
|
|
STRLEN srclen, len;
|
|
unsigned char *s = (unsigned char *) SvPV(sv, srclen);
|
|
UV retnum = 0;
|
|
|
|
if (offset < 0)
|
|
return retnum;
|
|
if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */
|
|
Perl_croak(aTHX_ "Illegal number of bits in vec");
|
|
|
|
if (SvUTF8(sv))
|
|
(void) Perl_sv_utf8_downgrade(aTHX_ sv, TRUE);
|
|
|
|
offset *= size; /* turn into bit offset */
|
|
len = (offset + size + 7) / 8; /* required number of bytes */
|
|
if (len > srclen) {
|
|
if (size <= 8)
|
|
retnum = 0;
|
|
else {
|
|
offset >>= 3; /* turn into byte offset */
|
|
if (size == 16) {
|
|
if (offset >= srclen)
|
|
retnum = 0;
|
|
else
|
|
retnum = (UV) s[offset] << 8;
|
|
}
|
|
else if (size == 32) {
|
|
if (offset >= srclen)
|
|
retnum = 0;
|
|
else if (offset + 1 >= srclen)
|
|
retnum =
|
|
((UV) s[offset ] << 24);
|
|
else if (offset + 2 >= srclen)
|
|
retnum =
|
|
((UV) s[offset ] << 24) +
|
|
((UV) s[offset + 1] << 16);
|
|
else
|
|
retnum =
|
|
((UV) s[offset ] << 24) +
|
|
((UV) s[offset + 1] << 16) +
|
|
( s[offset + 2] << 8);
|
|
}
|
|
#ifdef UV_IS_QUAD
|
|
else if (size == 64) {
|
|
if (ckWARN(WARN_PORTABLE))
|
|
Perl_warner(aTHX_ WARN_PORTABLE,
|
|
"Bit vector size > 32 non-portable");
|
|
if (offset >= srclen)
|
|
retnum = 0;
|
|
else if (offset + 1 >= srclen)
|
|
retnum =
|
|
(UV) s[offset ] << 56;
|
|
else if (offset + 2 >= srclen)
|
|
retnum =
|
|
((UV) s[offset ] << 56) +
|
|
((UV) s[offset + 1] << 48);
|
|
else if (offset + 3 >= srclen)
|
|
retnum =
|
|
((UV) s[offset ] << 56) +
|
|
((UV) s[offset + 1] << 48) +
|
|
((UV) s[offset + 2] << 40);
|
|
else if (offset + 4 >= srclen)
|
|
retnum =
|
|
((UV) s[offset ] << 56) +
|
|
((UV) s[offset + 1] << 48) +
|
|
((UV) s[offset + 2] << 40) +
|
|
((UV) s[offset + 3] << 32);
|
|
else if (offset + 5 >= srclen)
|
|
retnum =
|
|
((UV) s[offset ] << 56) +
|
|
((UV) s[offset + 1] << 48) +
|
|
((UV) s[offset + 2] << 40) +
|
|
((UV) s[offset + 3] << 32) +
|
|
( s[offset + 4] << 24);
|
|
else if (offset + 6 >= srclen)
|
|
retnum =
|
|
((UV) s[offset ] << 56) +
|
|
((UV) s[offset + 1] << 48) +
|
|
((UV) s[offset + 2] << 40) +
|
|
((UV) s[offset + 3] << 32) +
|
|
((UV) s[offset + 4] << 24) +
|
|
((UV) s[offset + 5] << 16);
|
|
else
|
|
retnum =
|
|
((UV) s[offset ] << 56) +
|
|
((UV) s[offset + 1] << 48) +
|
|
((UV) s[offset + 2] << 40) +
|
|
((UV) s[offset + 3] << 32) +
|
|
((UV) s[offset + 4] << 24) +
|
|
((UV) s[offset + 5] << 16) +
|
|
( s[offset + 6] << 8);
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
else if (size < 8)
|
|
retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1);
|
|
else {
|
|
offset >>= 3; /* turn into byte offset */
|
|
if (size == 8)
|
|
retnum = s[offset];
|
|
else if (size == 16)
|
|
retnum =
|
|
((UV) s[offset] << 8) +
|
|
s[offset + 1];
|
|
else if (size == 32)
|
|
retnum =
|
|
((UV) s[offset ] << 24) +
|
|
((UV) s[offset + 1] << 16) +
|
|
( s[offset + 2] << 8) +
|
|
s[offset + 3];
|
|
#ifdef UV_IS_QUAD
|
|
else if (size == 64) {
|
|
if (ckWARN(WARN_PORTABLE))
|
|
Perl_warner(aTHX_ WARN_PORTABLE,
|
|
"Bit vector size > 32 non-portable");
|
|
retnum =
|
|
((UV) s[offset ] << 56) +
|
|
((UV) s[offset + 1] << 48) +
|
|
((UV) s[offset + 2] << 40) +
|
|
((UV) s[offset + 3] << 32) +
|
|
((UV) s[offset + 4] << 24) +
|
|
((UV) s[offset + 5] << 16) +
|
|
( s[offset + 6] << 8) +
|
|
s[offset + 7];
|
|
}
|
|
#endif
|
|
}
|
|
|
|
return retnum;
|
|
}
|
|
|
|
/* currently converts input to bytes if possible but doesn't sweat failures,
|
|
* although it does ensure that the string it clobbers is not marked as
|
|
* utf8-valid any more
|
|
*/
|
|
void
|
|
Perl_do_vecset(pTHX_ SV *sv)
|
|
{
|
|
SV *targ = LvTARG(sv);
|
|
register I32 offset;
|
|
register I32 size;
|
|
register unsigned char *s;
|
|
register UV lval;
|
|
I32 mask;
|
|
STRLEN targlen;
|
|
STRLEN len;
|
|
|
|
if (!targ)
|
|
return;
|
|
s = (unsigned char*)SvPV_force(targ, targlen);
|
|
if (SvUTF8(targ)) {
|
|
/* This is handled by the SvPOK_only below...
|
|
if (!Perl_sv_utf8_downgrade(aTHX_ targ, TRUE))
|
|
SvUTF8_off(targ);
|
|
*/
|
|
(void) Perl_sv_utf8_downgrade(aTHX_ targ, TRUE);
|
|
}
|
|
|
|
(void)SvPOK_only(targ);
|
|
lval = SvUV(sv);
|
|
offset = LvTARGOFF(sv);
|
|
if (offset < 0)
|
|
Perl_croak(aTHX_ "Assigning to negative offset in vec");
|
|
size = LvTARGLEN(sv);
|
|
if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */
|
|
Perl_croak(aTHX_ "Illegal number of bits in vec");
|
|
|
|
offset *= size; /* turn into bit offset */
|
|
len = (offset + size + 7) / 8; /* required number of bytes */
|
|
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;
|
|
lval &= mask;
|
|
offset >>= 3; /* turn into byte offset */
|
|
s[offset] &= ~(mask << size);
|
|
s[offset] |= lval << size;
|
|
}
|
|
else {
|
|
offset >>= 3; /* turn into byte offset */
|
|
if (size == 8)
|
|
s[offset ] = lval & 0xff;
|
|
else if (size == 16) {
|
|
s[offset ] = (lval >> 8) & 0xff;
|
|
s[offset+1] = lval & 0xff;
|
|
}
|
|
else if (size == 32) {
|
|
s[offset ] = (lval >> 24) & 0xff;
|
|
s[offset+1] = (lval >> 16) & 0xff;
|
|
s[offset+2] = (lval >> 8) & 0xff;
|
|
s[offset+3] = lval & 0xff;
|
|
}
|
|
#ifdef UV_IS_QUAD
|
|
else if (size == 64) {
|
|
if (ckWARN(WARN_PORTABLE))
|
|
Perl_warner(aTHX_ WARN_PORTABLE,
|
|
"Bit vector size > 32 non-portable");
|
|
s[offset ] = (lval >> 56) & 0xff;
|
|
s[offset+1] = (lval >> 48) & 0xff;
|
|
s[offset+2] = (lval >> 40) & 0xff;
|
|
s[offset+3] = (lval >> 32) & 0xff;
|
|
s[offset+4] = (lval >> 24) & 0xff;
|
|
s[offset+5] = (lval >> 16) & 0xff;
|
|
s[offset+6] = (lval >> 8) & 0xff;
|
|
s[offset+7] = lval & 0xff;
|
|
}
|
|
#endif
|
|
}
|
|
SvSETMAGIC(targ);
|
|
}
|
|
|
|
void
|
|
Perl_do_chop(pTHX_ register SV *astr, register SV *sv)
|
|
{
|
|
STRLEN len;
|
|
char *s;
|
|
|
|
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))
|
|
do_chop(astr, sv);
|
|
}
|
|
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;
|
|
}
|
|
else if (SvREADONLY(sv))
|
|
Perl_croak(aTHX_ PL_no_modify);
|
|
s = SvPV(sv, len);
|
|
if (len && !SvPOK(sv))
|
|
s = SvPV_force(sv, len);
|
|
if (DO_UTF8(sv)) {
|
|
if (s && len) {
|
|
char *send = s + len;
|
|
char *start = s;
|
|
s = send - 1;
|
|
while (s > start && UTF8_IS_CONTINUATION(*s))
|
|
s--;
|
|
if (utf8_to_uv_simple((U8*)s, 0)) {
|
|
sv_setpvn(astr, s, send - s);
|
|
*s = '\0';
|
|
SvCUR_set(sv, s - start);
|
|
SvNIOK_off(sv);
|
|
SvUTF8_on(astr);
|
|
}
|
|
}
|
|
else
|
|
sv_setpvn(astr, "", 0);
|
|
}
|
|
else if (s && len) {
|
|
s += --len;
|
|
sv_setpvn(astr, s, 1);
|
|
*s = '\0';
|
|
SvCUR_set(sv, len);
|
|
SvUTF8_off(sv);
|
|
SvNIOK_off(sv);
|
|
}
|
|
else
|
|
sv_setpvn(astr, "", 0);
|
|
SvSETMAGIC(sv);
|
|
}
|
|
|
|
I32
|
|
Perl_do_chomp(pTHX_ register SV *sv)
|
|
{
|
|
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
|
|
Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right)
|
|
{
|
|
#ifdef LIBERAL
|
|
register long *dl;
|
|
register long *ll;
|
|
register long *rl;
|
|
#endif
|
|
register char *dc;
|
|
STRLEN leftlen;
|
|
STRLEN rightlen;
|
|
register char *lc;
|
|
register char *rc;
|
|
register I32 len;
|
|
I32 lensave;
|
|
char *lsave;
|
|
char *rsave;
|
|
bool left_utf = DO_UTF8(left);
|
|
bool right_utf = DO_UTF8(right);
|
|
I32 needlen;
|
|
|
|
if (left_utf && !right_utf)
|
|
sv_utf8_upgrade(right);
|
|
else if (!left_utf && right_utf)
|
|
sv_utf8_upgrade(left);
|
|
|
|
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 ((left_utf || right_utf) && (sv == left || sv == right)) {
|
|
needlen = optype == OP_BIT_AND ? len : leftlen + rightlen;
|
|
Newz(801, dc, needlen + 1, char);
|
|
}
|
|
else 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);
|
|
}
|
|
if (optype != OP_BIT_AND && (left_utf || right_utf))
|
|
dc = SvGROW(sv, leftlen + rightlen + 1);
|
|
}
|
|
else {
|
|
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);
|
|
if (left_utf || right_utf) {
|
|
UV duc, luc, ruc;
|
|
char *dcsave = dc;
|
|
STRLEN lulen = leftlen;
|
|
STRLEN rulen = rightlen;
|
|
STRLEN ulen;
|
|
|
|
switch (optype) {
|
|
case OP_BIT_AND:
|
|
while (lulen && rulen) {
|
|
luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV);
|
|
lc += ulen;
|
|
lulen -= ulen;
|
|
ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV);
|
|
rc += ulen;
|
|
rulen -= ulen;
|
|
duc = luc & ruc;
|
|
dc = (char*)uv_to_utf8((U8*)dc, duc);
|
|
}
|
|
if (sv == left || sv == right)
|
|
(void)sv_usepvn(sv, dcsave, needlen);
|
|
SvCUR_set(sv, dc - dcsave);
|
|
break;
|
|
case OP_BIT_XOR:
|
|
while (lulen && rulen) {
|
|
luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV);
|
|
lc += ulen;
|
|
lulen -= ulen;
|
|
ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV);
|
|
rc += ulen;
|
|
rulen -= ulen;
|
|
duc = luc ^ ruc;
|
|
dc = (char*)uv_to_utf8((U8*)dc, duc);
|
|
}
|
|
goto mop_up_utf;
|
|
case OP_BIT_OR:
|
|
while (lulen && rulen) {
|
|
luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV);
|
|
lc += ulen;
|
|
lulen -= ulen;
|
|
ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV);
|
|
rc += ulen;
|
|
rulen -= ulen;
|
|
duc = luc | ruc;
|
|
dc = (char*)uv_to_utf8((U8*)dc, duc);
|
|
}
|
|
mop_up_utf:
|
|
if (sv == left || sv == right)
|
|
(void)sv_usepvn(sv, dcsave, needlen);
|
|
SvCUR_set(sv, dc - dcsave);
|
|
if (rulen)
|
|
sv_catpvn(sv, rc, rulen);
|
|
else if (lulen)
|
|
sv_catpvn(sv, lc, lulen);
|
|
else
|
|
*SvEND(sv) = '\0';
|
|
break;
|
|
}
|
|
SvUTF8_on(sv);
|
|
goto finish;
|
|
}
|
|
else
|
|
#ifdef LIBERAL
|
|
if (len >= sizeof(long)*4 &&
|
|
!((long)dc % sizeof(long)) &&
|
|
!((long)lc % sizeof(long)) &&
|
|
!((long)rc % sizeof(long))) /* It's almost always aligned... */
|
|
{
|
|
I32 remainder = len % (sizeof(long)*4);
|
|
len /= (sizeof(long)*4);
|
|
|
|
dl = (long*)dc;
|
|
ll = (long*)lc;
|
|
rl = (long*)rc;
|
|
|
|
switch (optype) {
|
|
case OP_BIT_AND:
|
|
while (len--) {
|
|
*dl++ = *ll++ & *rl++;
|
|
*dl++ = *ll++ & *rl++;
|
|
*dl++ = *ll++ & *rl++;
|
|
*dl++ = *ll++ & *rl++;
|
|
}
|
|
break;
|
|
case OP_BIT_XOR:
|
|
while (len--) {
|
|
*dl++ = *ll++ ^ *rl++;
|
|
*dl++ = *ll++ ^ *rl++;
|
|
*dl++ = *ll++ ^ *rl++;
|
|
*dl++ = *ll++ ^ *rl++;
|
|
}
|
|
break;
|
|
case OP_BIT_OR:
|
|
while (len--) {
|
|
*dl++ = *ll++ | *rl++;
|
|
*dl++ = *ll++ | *rl++;
|
|
*dl++ = *ll++ | *rl++;
|
|
*dl++ = *ll++ | *rl++;
|
|
}
|
|
}
|
|
|
|
dc = (char*)dl;
|
|
lc = (char*)ll;
|
|
rc = (char*)rl;
|
|
|
|
len = remainder;
|
|
}
|
|
#endif
|
|
{
|
|
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;
|
|
}
|
|
}
|
|
finish:
|
|
SvTAINT(sv);
|
|
}
|
|
|
|
OP *
|
|
Perl_do_kv(pTHX)
|
|
{
|
|
dSP;
|
|
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 || LVRET) { /* 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 || LVRET) { /* 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;
|
|
}
|
|
|