diff options
Diffstat (limited to 'contrib/perl5/doop.c')
| -rw-r--r-- | contrib/perl5/doop.c | 1282 |
1 files changed, 0 insertions, 1282 deletions
diff --git a/contrib/perl5/doop.c b/contrib/perl5/doop.c deleted file mode 100644 index 7c0e732..0000000 --- a/contrib/perl5/doop.c +++ /dev/null @@ -1,1282 +0,0 @@ -/* doop.c - * - * Copyright (c) 1991-2001, Larry Wall - * - * You may distribute under the terms of either the GNU General Public - * License or the Artistic License, as specified in the README file. - * - */ - -/* - * "'So that was the job I felt I had to do when I started,' thought Sam." - */ - -#include "EXTERN.h" -#define PERL_IN_DOOP_C -#include "perl.h" - -#if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX) -#include <signal.h> -#endif - -STATIC I32 -S_do_trans_simple(pTHX_ SV *sv) -{ - U8 *s; - U8 *d; - U8 *send; - U8 *dstart; - I32 matches = 0; - I32 grows = PL_op->op_private & OPpTRANS_GROWS; - STRLEN len; - short *tbl; - I32 ch; - - tbl = (short*)cPVOP->op_pv; - if (!tbl) - Perl_croak(aTHX_ "panic: do_trans_simple"); - - s = (U8*)SvPV(sv, len); - send = s + len; - - /* First, take care of non-UTF8 input strings, because they're easy */ - if (!SvUTF8(sv)) { - while (s < send) { - if ((ch = tbl[*s]) >= 0) { - matches++; - *s++ = ch; - } - else - s++; - } - SvSETMAGIC(sv); - return matches; - } - - /* Allow for expansion: $_="a".chr(400); tr/a/\xFE/, FE needs encoding */ - if (grows) - New(0, d, len*2+1, U8); - else - d = s; - dstart = d; - while (s < send) { - STRLEN ulen; - UV c; - - /* Need to check this, otherwise 128..255 won't match */ - c = utf8_to_uv(s, send - s, &ulen, 0); - if (c < 0x100 && (ch = tbl[c]) >= 0) { - matches++; - if (UTF8_IS_ASCII(ch)) - *d++ = ch; - else - d = uv_to_utf8(d,ch); - s += ulen; - } - else { /* No match -> copy */ - Copy(s, d, ulen, U8); - d += ulen; - s += ulen; - } - } - if (grows) { - sv_setpvn(sv, (char*)dstart, d - dstart); - Safefree(dstart); - } - else { - *d = '\0'; - SvCUR_set(sv, d - dstart); - } - SvUTF8_on(sv); - SvSETMAGIC(sv); - return matches; -} - -STATIC I32 -S_do_trans_count(pTHX_ SV *sv)/* SPC - OK */ -{ - U8 *s; - U8 *send; - I32 matches = 0; - STRLEN len; - short *tbl; - - tbl = (short*)cPVOP->op_pv; - if (!tbl) - Perl_croak(aTHX_ "panic: do_trans_count"); - - s = (U8*)SvPV(sv, len); - send = s + len; - - if (!SvUTF8(sv)) - while (s < send) { - if (tbl[*s++] >= 0) - matches++; - } - else - while (s < send) { - UV c; - STRLEN ulen; - c = utf8_to_uv(s, send - s, &ulen, 0); - if (c < 0x100 && tbl[c] >= 0) - matches++; - s += ulen; - } - - return matches; -} - -STATIC I32 -S_do_trans_complex(pTHX_ SV *sv)/* SPC - NOT OK */ -{ - U8 *s; - U8 *send; - U8 *d; - U8 *dstart; - I32 isutf8; - I32 matches = 0; - I32 grows = PL_op->op_private & OPpTRANS_GROWS; - STRLEN len; - short *tbl; - I32 ch; - - tbl = (short*)cPVOP->op_pv; - if (!tbl) - Perl_croak(aTHX_ "panic: do_trans_complex"); - - s = (U8*)SvPV(sv, len); - isutf8 = SvUTF8(sv); - send = s + len; - - if (!isutf8) { - dstart = d = s; - if (PL_op->op_private & OPpTRANS_SQUASH) { - U8* p = send; - while (s < send) { - if ((ch = tbl[*s]) >= 0) { - *d = ch; - matches++; - if (p != d - 1 || *p != *d) - p = d++; - } - else if (ch == -1) /* -1 is unmapped character */ - *d++ = *s; - else if (ch == -2) /* -2 is delete character */ - matches++; - s++; - } - } - else { - while (s < send) { - if ((ch = tbl[*s]) >= 0) { - matches++; - *d++ = ch; - } - else if (ch == -1) /* -1 is unmapped character */ - *d++ = *s; - else if (ch == -2) /* -2 is delete character */ - matches++; - s++; - } - } - *d = '\0'; - SvCUR_set(sv, d - dstart); - } - else { /* isutf8 */ - if (grows) - New(0, d, len*2+1, U8); - else - d = s; - dstart = d; - -#ifdef MACOS_TRADITIONAL -#define comp CoMP /* "comp" is a keyword in some compilers ... */ -#endif - - if (PL_op->op_private & OPpTRANS_SQUASH) { - U8* p = send; - UV pch = 0xfeedface; - while (s < send) { - STRLEN len; - UV comp = utf8_to_uv_simple(s, &len); - - if (comp > 0xff) { /* always unmapped */ - Copy(s, d, len, U8); - d += len; - } - else if ((ch = tbl[comp]) >= 0) { - matches++; - if (ch != pch) { - d = uv_to_utf8(d, ch); - pch = ch; - } - s += len; - continue; - } - else if (ch == -1) { /* -1 is unmapped character */ - Copy(s, d, len, U8); - d += len; - } - else if (ch == -2) /* -2 is delete character */ - matches++; - s += len; - pch = 0xfeedface; - } - } - else { - while (s < send) { - STRLEN len; - UV comp = utf8_to_uv_simple(s, &len); - if (comp > 0xff) { /* always unmapped */ - Copy(s, d, len, U8); - d += len; - } - else if ((ch = tbl[comp]) >= 0) { - d = uv_to_utf8(d, ch); - matches++; - } - else if (ch == -1) { /* -1 is unmapped character */ - Copy(s, d, len, U8); - d += len; - } - else if (ch == -2) /* -2 is delete character */ - matches++; - s += len; - } - } - if (grows) { - sv_setpvn(sv, (char*)dstart, d - dstart); - Safefree(dstart); - } - else { - *d = '\0'; - SvCUR_set(sv, d - dstart); - } - SvUTF8_on(sv); - } - SvSETMAGIC(sv); - return matches; -} - -STATIC I32 -S_do_trans_simple_utf8(pTHX_ SV *sv)/* SPC - OK */ -{ - U8 *s; - U8 *send; - U8 *d; - U8 *start; - U8 *dstart, *dend; - I32 matches = 0; - I32 grows = PL_op->op_private & OPpTRANS_GROWS; - STRLEN len; - - SV* rv = (SV*)cSVOP->op_sv; - HV* hv = (HV*)SvRV(rv); - SV** svp = hv_fetch(hv, "NONE", 4, FALSE); - UV none = svp ? SvUV(*svp) : 0x7fffffff; - UV extra = none + 1; - UV final; - UV uv; - I32 isutf8; - U8 hibit = 0; - - s = (U8*)SvPV(sv, len); - isutf8 = SvUTF8(sv); - if (!isutf8) { - U8 *t = s, *e = s + len; - while (t < e) - if ((hibit = UTF8_IS_CONTINUED(*t++))) - break; - if (hibit) - s = bytes_to_utf8(s, &len); - } - send = s + len; - start = s; - - svp = hv_fetch(hv, "FINAL", 5, FALSE); - if (svp) - final = SvUV(*svp); - - if (grows) { - /* d needs to be bigger than s, in case e.g. upgrading is required */ - New(0, d, len*3+UTF8_MAXLEN, U8); - dend = d + len * 3; - dstart = d; - } - else { - dstart = d = s; - dend = d + len; - } - - while (s < send) { - if ((uv = swash_fetch(rv, s)) < none) { - s += UTF8SKIP(s); - matches++; - d = uv_to_utf8(d, uv); - } - else if (uv == none) { - int i = UTF8SKIP(s); - Copy(s, d, i, U8); - d += i; - s += i; - } - else if (uv == extra) { - int i = UTF8SKIP(s); - s += i; - matches++; - d = uv_to_utf8(d, final); - } - else - s += UTF8SKIP(s); - - if (d > dend) { - STRLEN clen = d - dstart; - STRLEN nlen = dend - dstart + len + UTF8_MAXLEN; - if (!grows) - Perl_croak(aTHX_ "panic: do_trans_complex_utf8"); - Renew(dstart, nlen+UTF8_MAXLEN, U8); - d = dstart + clen; - dend = dstart + nlen; - } - } - if (grows || hibit) { - sv_setpvn(sv, (char*)dstart, d - dstart); - Safefree(dstart); - if (grows && hibit) - Safefree(start); - } - else { - *d = '\0'; - SvCUR_set(sv, d - dstart); - } - SvSETMAGIC(sv); - SvUTF8_on(sv); - if (!isutf8 && !(PL_hints & HINT_UTF8)) - sv_utf8_downgrade(sv, TRUE); - - return matches; -} - -STATIC I32 -S_do_trans_count_utf8(pTHX_ SV *sv)/* SPC - OK */ -{ - U8 *s; - U8 *start, *send; - I32 matches = 0; - STRLEN len; - - SV* rv = (SV*)cSVOP->op_sv; - HV* hv = (HV*)SvRV(rv); - SV** svp = hv_fetch(hv, "NONE", 4, FALSE); - UV none = svp ? SvUV(*svp) : 0x7fffffff; - UV uv; - U8 hibit = 0; - - s = (U8*)SvPV(sv, len); - if (!SvUTF8(sv)) { - U8 *t = s, *e = s + len; - while (t < e) - if ((hibit = !UTF8_IS_ASCII(*t++))) - break; - if (hibit) - start = s = bytes_to_utf8(s, &len); - } - send = s + len; - - while (s < send) { - if ((uv = swash_fetch(rv, s)) < none) - matches++; - s += UTF8SKIP(s); - } - if (hibit) - Safefree(start); - - return matches; -} - -STATIC I32 -S_do_trans_complex_utf8(pTHX_ SV *sv) /* SPC - NOT OK */ -{ - U8 *s; - U8 *start, *send; - U8 *d; - I32 matches = 0; - I32 squash = PL_op->op_private & OPpTRANS_SQUASH; - I32 del = PL_op->op_private & OPpTRANS_DELETE; - I32 grows = PL_op->op_private & OPpTRANS_GROWS; - SV* rv = (SV*)cSVOP->op_sv; - HV* hv = (HV*)SvRV(rv); - SV** svp = hv_fetch(hv, "NONE", 4, FALSE); - UV none = svp ? SvUV(*svp) : 0x7fffffff; - UV extra = none + 1; - UV final; - UV uv; - STRLEN len; - U8 *dstart, *dend; - I32 isutf8; - U8 hibit = 0; - - s = (U8*)SvPV(sv, len); - isutf8 = SvUTF8(sv); - if (!isutf8) { - U8 *t = s, *e = s + len; - while (t < e) - if ((hibit = !UTF8_IS_ASCII(*t++))) - break; - if (hibit) - s = bytes_to_utf8(s, &len); - } - send = s + len; - start = s; - - svp = hv_fetch(hv, "FINAL", 5, FALSE); - if (svp) - final = SvUV(*svp); - - if (grows) { - /* d needs to be bigger than s, in case e.g. upgrading is required */ - New(0, d, len*3+UTF8_MAXLEN, U8); - dend = d + len * 3; - dstart = d; - } - else { - dstart = d = s; - dend = d + len; - } - - if (squash) { - UV puv = 0xfeedface; - while (s < send) { - uv = swash_fetch(rv, s); - - if (d > dend) { - STRLEN clen = d - dstart; - STRLEN nlen = dend - dstart + len + UTF8_MAXLEN; - if (!grows) - Perl_croak(aTHX_ "panic: do_trans_complex_utf8"); - Renew(dstart, nlen+UTF8_MAXLEN, U8); - d = dstart + clen; - dend = dstart + nlen; - } - if (uv < none) { - matches++; - if (uv != puv) { - d = uv_to_utf8(d, uv); - puv = uv; - } - s += UTF8SKIP(s); - continue; - } - else if (uv == none) { /* "none" is unmapped character */ - int i = UTF8SKIP(s); - Copy(s, d, i, U8); - d += i; - s += i; - puv = 0xfeedface; - continue; - } - else if (uv == extra && !del) { - matches++; - if (uv != puv) { - d = uv_to_utf8(d, final); - puv = final; - } - s += UTF8SKIP(s); - continue; - } - matches++; /* "none+1" is delete character */ - s += UTF8SKIP(s); - } - } - else { - while (s < send) { - uv = swash_fetch(rv, s); - if (d > dend) { - STRLEN clen = d - dstart; - STRLEN nlen = dend - dstart + len + UTF8_MAXLEN; - if (!grows) - Perl_croak(aTHX_ "panic: do_trans_complex_utf8"); - Renew(dstart, nlen+UTF8_MAXLEN, U8); - d = dstart + clen; - dend = dstart + nlen; - } - if (uv < none) { - matches++; - d = uv_to_utf8(d, uv); - s += UTF8SKIP(s); - continue; - } - else if (uv == none) { /* "none" is unmapped character */ - int i = UTF8SKIP(s); - Copy(s, d, i, U8); - d += i; - s += i; - continue; - } - else if (uv == extra && !del) { - matches++; - d = uv_to_utf8(d, final); - s += UTF8SKIP(s); - continue; - } - 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'; - SvCUR_set(sv, d - dstart); - } - SvUTF8_on(sv); - if (!isutf8 && !(PL_hints & HINT_UTF8)) - sv_utf8_downgrade(sv, TRUE); - SvSETMAGIC(sv); - - 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; -} - |
