1316 lines
26 KiB
C
1316 lines
26 KiB
C
/* doop.c
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*
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* Copyright (c) 1991-2000, 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_CC_simple(pTHX_ SV *sv)
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{
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dTHR;
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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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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");
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s = (U8*)SvPV(sv, len);
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send = s + len;
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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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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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STATIC I32
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S_do_trans_CC_count(pTHX_ SV *sv)
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{
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dTHR;
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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");
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s = (U8*)SvPV(sv, len);
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send = s + len;
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while (s < send) {
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if (tbl[*s] >= 0)
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matches++;
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s++;
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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_CC_complex(pTHX_ SV *sv)
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{
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dTHR;
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U8 *s;
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U8 *send;
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U8 *d;
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I32 matches = 0;
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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");
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s = (U8*)SvPV(sv, len);
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send = s + len;
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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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matches--;
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else
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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; /* -2 is delete character */
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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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*d = ch;
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matches++;
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d++;
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}
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else if (ch == -1) /* -1 is unmapped character */
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*d++ = *s; /* -2 is delete character */
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s++;
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}
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}
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matches += send - d; /* account for disappeared chars */
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*d = '\0';
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SvCUR_set(sv, d - (U8*)SvPVX(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_UU_simple(pTHX_ SV *sv)
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{
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dTHR;
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U8 *s;
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U8 *send;
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U8 *d;
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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 extra = none + 1;
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UV final;
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UV uv;
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s = (U8*)SvPV(sv, len);
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send = s + len;
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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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d = s;
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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;
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for (i = UTF8SKIP(s); i; i--)
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*d++ = *s++;
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}
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else if (uv == extra) {
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s += UTF8SKIP(s);
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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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}
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*d = '\0';
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SvCUR_set(sv, d - (U8*)SvPVX(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_UU_count(pTHX_ SV *sv)
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{
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dTHR;
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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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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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s = (U8*)SvPV(sv, len);
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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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return matches;
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}
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STATIC I32
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S_do_trans_UC_simple(pTHX_ SV *sv)
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{
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dTHR;
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U8 *s;
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U8 *send;
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U8 *d;
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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 extra = none + 1;
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UV final;
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UV uv;
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s = (U8*)SvPV(sv, len);
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send = s + len;
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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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d = s;
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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++ = (U8)uv;
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}
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else if (uv == none) {
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I32 ulen;
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uv = utf8_to_uv(s, &ulen);
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s += ulen;
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*d++ = (U8)uv;
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}
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else if (uv == extra) {
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s += UTF8SKIP(s);
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matches++;
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*d++ = (U8)final;
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}
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else
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s += UTF8SKIP(s);
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}
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*d = '\0';
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SvCUR_set(sv, d - (U8*)SvPVX(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_CU_simple(pTHX_ SV *sv)
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{
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dTHR;
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U8 *s;
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U8 *send;
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U8 *d;
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U8 *dst;
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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 extra = none + 1;
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UV final;
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UV uv;
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U8 tmpbuf[UTF8_MAXLEN];
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I32 bits = 16;
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s = (U8*)SvPV(sv, len);
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send = s + len;
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svp = hv_fetch(hv, "BITS", 4, FALSE);
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if (svp)
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bits = (I32)SvIV(*svp);
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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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Newz(801, d, len * (bits >> 3) + 1, U8);
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dst = d;
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while (s < send) {
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uv = *s++;
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if (uv < 0x80)
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tmpbuf[0] = uv;
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else {
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tmpbuf[0] = (( uv >> 6) | 0xc0);
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tmpbuf[1] = (( uv & 0x3f) | 0x80);
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}
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if ((uv = swash_fetch(rv, tmpbuf)) < none) {
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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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d = uv_to_utf8(d, s[-1]);
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else if (uv == extra) {
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matches++;
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d = uv_to_utf8(d, final);
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}
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}
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*d = '\0';
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sv_usepvn_mg(sv, (char*)dst, d - dst);
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return matches;
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}
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/* utf-8 to latin-1 */
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STATIC I32
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S_do_trans_UC_trivial(pTHX_ SV *sv)
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{
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dTHR;
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U8 *s;
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U8 *send;
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U8 *d;
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STRLEN len;
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s = (U8*)SvPV(sv, len);
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send = s + len;
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d = s;
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while (s < send) {
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if (*s < 0x80)
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*d++ = *s++;
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else {
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I32 ulen;
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UV uv = utf8_to_uv(s, &ulen);
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s += ulen;
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*d++ = (U8)uv;
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}
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}
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*d = '\0';
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SvCUR_set(sv, d - (U8*)SvPVX(sv));
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SvSETMAGIC(sv);
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return SvCUR(sv);
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}
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/* latin-1 to utf-8 */
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STATIC I32
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S_do_trans_CU_trivial(pTHX_ SV *sv)
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{
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dTHR;
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U8 *s;
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U8 *send;
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U8 *d;
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U8 *dst;
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I32 matches;
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STRLEN len;
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s = (U8*)SvPV(sv, len);
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send = s + len;
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Newz(801, d, len * 2 + 1, U8);
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dst = d;
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matches = send - s;
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while (s < send) {
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if (*s < 0x80)
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*d++ = *s++;
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else {
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UV uv = *s++;
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*d++ = (( uv >> 6) | 0xc0);
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*d++ = (( uv & 0x3f) | 0x80);
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}
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}
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*d = '\0';
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sv_usepvn_mg(sv, (char*)dst, d - dst);
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return matches;
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}
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STATIC I32
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S_do_trans_UU_complex(pTHX_ SV *sv)
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{
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dTHR;
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U8 *s;
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U8 *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 from_utf = PL_op->op_private & OPpTRANS_FROM_UTF;
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I32 to_utf = PL_op->op_private & OPpTRANS_TO_UTF;
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I32 del = PL_op->op_private & OPpTRANS_DELETE;
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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 *dst;
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s = (U8*)SvPV(sv, len);
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send = s + len;
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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 (PL_op->op_private & OPpTRANS_GROWS) {
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I32 bits = 16;
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svp = hv_fetch(hv, "BITS", 4, FALSE);
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if (svp)
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bits = (I32)SvIV(*svp);
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Newz(801, d, len * (bits >> 3) + 1, U8);
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dst = d;
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}
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else {
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d = s;
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dst = 0;
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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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if (from_utf) {
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uv = swash_fetch(rv, s);
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}
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else {
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U8 tmpbuf[2];
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uv = *s++;
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if (uv < 0x80)
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tmpbuf[0] = uv;
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else {
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tmpbuf[0] = (( uv >> 6) | 0xc0);
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tmpbuf[1] = (( uv & 0x3f) | 0x80);
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}
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uv = swash_fetch(rv, tmpbuf);
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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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if (uv >= 0x80 && to_utf)
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d = uv_to_utf8(d, uv);
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else
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*d++ = (U8)uv;
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puv = uv;
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}
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if (from_utf)
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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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if (from_utf) {
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if (*s < 0x80)
|
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*d++ = *s++;
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else if (to_utf) {
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int i;
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for (i = UTF8SKIP(s); i; --i)
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*d++ = *s++;
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}
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else {
|
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I32 ulen;
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*d++ = (U8)utf8_to_uv(s, &ulen);
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s += ulen;
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}
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}
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else { /* must be to_utf only */
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d = uv_to_utf8(d, s[-1]);
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}
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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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if (final >= 0x80 && to_utf)
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d = uv_to_utf8(d, final);
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else
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*d++ = (U8)final;
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puv = final;
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}
|
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if (from_utf)
|
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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 */
|
|
if (from_utf)
|
|
s += UTF8SKIP(s);
|
|
}
|
|
}
|
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else {
|
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while (s < send) {
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if (from_utf) {
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uv = swash_fetch(rv, s);
|
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}
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else {
|
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U8 tmpbuf[2];
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uv = *s++;
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if (uv < 0x80)
|
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tmpbuf[0] = uv;
|
|
else {
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tmpbuf[0] = (( uv >> 6) | 0xc0);
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tmpbuf[1] = (( uv & 0x3f) | 0x80);
|
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}
|
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uv = swash_fetch(rv, tmpbuf);
|
|
}
|
|
if (uv < none) {
|
|
matches++;
|
|
if (uv >= 0x80 && to_utf)
|
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d = uv_to_utf8(d, uv);
|
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else
|
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*d++ = (U8)uv;
|
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if (from_utf)
|
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s += UTF8SKIP(s);
|
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continue;
|
|
}
|
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else if (uv == none) { /* "none" is unmapped character */
|
|
if (from_utf) {
|
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if (*s < 0x80)
|
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*d++ = *s++;
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else if (to_utf) {
|
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int i;
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for (i = UTF8SKIP(s); i; --i)
|
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*d++ = *s++;
|
|
}
|
|
else {
|
|
I32 ulen;
|
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*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)
|
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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 - (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
|
|
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 && !SvGMAGICAL(*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) {
|
|
char *s;
|
|
|
|
if (*mark) {
|
|
s = SvPV(*mark, tmplen);
|
|
sv_setpvn(sv, s, tmplen);
|
|
}
|
|
else
|
|
sv_setpv(sv, "");
|
|
mark++;
|
|
}
|
|
else
|
|
sv_setpv(sv,"");
|
|
len = delimlen;
|
|
if (len) {
|
|
for (; items > 0; items--,mark++) {
|
|
sv_catpvn(sv,delim,len);
|
|
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);
|
|
}
|
|
|
|
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");
|
|
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) {
|
|
dTHR;
|
|
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) {
|
|
dTHR;
|
|
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;
|
|
}
|
|
|
|
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);
|
|
lval = SvUV(sv);
|
|
offset = LvTARGOFF(sv);
|
|
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) {
|
|
dTHR;
|
|
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;
|
|
dTHR;
|
|
|
|
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 & 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);
|
|
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)
|
|
{
|
|
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
|
|
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;
|
|
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);
|
|
|
|
if (left_utf && !right_utf)
|
|
sv_utf8_upgrade(right);
|
|
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 (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);
|
|
}
|
|
}
|
|
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);
|
|
if (left_utf || right_utf) {
|
|
UV duc, luc, ruc;
|
|
STRLEN lulen = leftlen;
|
|
STRLEN rulen = rightlen;
|
|
STRLEN dulen = 0;
|
|
I32 ulen;
|
|
|
|
if (optype != OP_BIT_AND)
|
|
dc = SvGROW(sv, leftlen+rightlen+1);
|
|
|
|
switch (optype) {
|
|
case OP_BIT_AND:
|
|
while (lulen && rulen) {
|
|
luc = utf8_to_uv((U8*)lc, &ulen);
|
|
lc += ulen;
|
|
lulen -= ulen;
|
|
ruc = utf8_to_uv((U8*)rc, &ulen);
|
|
rc += ulen;
|
|
rulen -= ulen;
|
|
duc = luc & ruc;
|
|
dc = (char*)uv_to_utf8((U8*)dc, duc);
|
|
}
|
|
dulen = dc - SvPVX(sv);
|
|
SvCUR_set(sv, dulen);
|
|
break;
|
|
case OP_BIT_XOR:
|
|
while (lulen && rulen) {
|
|
luc = utf8_to_uv((U8*)lc, &ulen);
|
|
lc += ulen;
|
|
lulen -= ulen;
|
|
ruc = utf8_to_uv((U8*)rc, &ulen);
|
|
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, &ulen);
|
|
lc += ulen;
|
|
lulen -= ulen;
|
|
ruc = utf8_to_uv((U8*)rc, &ulen);
|
|
rc += ulen;
|
|
rulen -= ulen;
|
|
duc = luc | ruc;
|
|
dc = (char*)uv_to_utf8((U8*)dc, duc);
|
|
}
|
|
mop_up_utf:
|
|
dulen = dc - SvPVX(sv);
|
|
SvCUR_set(sv, dulen);
|
|
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)
|
|
{
|
|
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;
|
|
}
|
|
|