static char ident_too_long[] = "Identifier too long";
static void restore_rsfp(pTHXo_ void *f);
+#ifndef PERL_NO_UTF16_FILTER
+static I32 utf16_textfilter(pTHXo_ int idx, SV *sv, int maxlen);
+static I32 utf16rev_textfilter(pTHXo_ int idx, SV *sv, int maxlen);
+#endif
#define XFAKEBRACK 128
#define XENUMMASK 127
* 1999-02-27 mjd-perl-patch@plover.com */
#define isCONTROLVAR(x) (isUPPER(x) || strchr("[\\]^_?", (x)))
+/* On MacOS, respect nonbreaking spaces */
+#ifdef MACOS_TRADITIONAL
+#define SPACE_OR_TAB(c) ((c)==' '||(c)=='\312'||(c)=='\t')
+#else
+#define SPACE_OR_TAB(c) ((c)==' '||(c)=='\t')
+#endif
+
/* LEX_* are values for PL_lex_state, the state of the lexer.
* They are arranged oddly so that the guard on the switch statement
* can get by with a single comparison (if the compiler is smart enough).
}
#endif
-#if 0
-STATIC I32
-S_utf16_textfilter(pTHX_ int idx, SV *sv, int maxlen)
-{
- I32 count = FILTER_READ(idx+1, sv, maxlen);
- if (count) {
- U8* tmps;
- U8* tend;
- New(898, tmps, SvCUR(sv) * 3 / 2 + 1, U8);
- tend = utf16_to_utf8((U16*)SvPVX(sv), tmps, SvCUR(sv));
- sv_usepvn(sv, (char*)tmps, tend - tmps);
- }
- return count;
-}
-
-STATIC I32
-S_utf16rev_textfilter(pTHX_ int idx, SV *sv, int maxlen)
-{
- I32 count = FILTER_READ(idx+1, sv, maxlen);
- if (count) {
- U8* tmps;
- U8* tend;
- New(898, tmps, SvCUR(sv) * 3 / 2 + 1, U8);
- tend = utf16_to_utf8_reversed((U16*)SvPVX(sv), tmps, SvCUR(sv));
- sv_usepvn(sv, (char*)tmps, tend - tmps);
- }
- return count;
-}
-#endif
-
/*
* Perl_lex_start
* Initialize variables. Uses the Perl save_stack to save its state (for
CopLINE_inc(PL_curcop);
if (*s++ != '#')
return;
- while (*s == ' ' || *s == '\t') s++;
+ while (SPACE_OR_TAB(*s)) s++;
if (strnEQ(s, "line", 4))
s += 4;
else
s++;
else
return;
- while (*s == ' ' || *s == '\t') s++;
+ while (SPACE_OR_TAB(*s)) s++;
if (!isDIGIT(*s))
return;
n = s;
while (isDIGIT(*s))
s++;
- while (*s == ' ' || *s == '\t')
+ while (SPACE_OR_TAB(*s))
s++;
if (*s == '"' && (t = strchr(s+1, '"'))) {
s++;
for (t = s; !isSPACE(*t); t++) ;
e = t;
}
- while (*e == ' ' || *e == '\t' || *e == '\r' || *e == '\f')
+ while (SPACE_OR_TAB(*e) || *e == '\r' || *e == '\f')
e++;
if (*e != '\n' && *e != '\0')
return; /* false alarm */
ch = *t;
*t = '\0';
- if (t - s > 0)
+ if (t - s > 0) {
+#ifdef USE_ITHREADS
+ Safefree(CopFILE(PL_curcop));
+#else
+ SvREFCNT_dec(CopFILEGV(PL_curcop));
+#endif
CopFILE_set(PL_curcop, s);
+ }
*t = ch;
CopLINE_set(PL_curcop, atoi(n)-1);
}
{
dTHR;
if (PL_lex_formbrack && PL_lex_brackets <= PL_lex_formbrack) {
- while (s < PL_bufend && (*s == ' ' || *s == '\t'))
+ while (s < PL_bufend && SPACE_OR_TAB(*s))
s++;
return s;
}
p = SvPV(sv, len);
nsv = newSVpvn(p, len);
+ if (SvUTF8(sv))
+ SvUTF8_on(nsv);
SvREFCNT_dec(sv);
sv = nsv;
}
register char *s = start; /* start of the constant */
register char *d = SvPVX(sv); /* destination for copies */
bool dorange = FALSE; /* are we in a translit range? */
+ bool didrange = FALSE; /* did we just finish a range? */
bool has_utf = FALSE; /* embedded \x{} */
I32 len; /* ? */
UV uv;
min = (U8)*d; /* first char in range */
max = (U8)d[1]; /* last char in range */
+ if (min > max) {
+ Perl_croak(aTHX_
+ "Invalid [] range \"%c-%c\" in transliteration operator",
+ min, max);
+ }
+
#ifndef ASCIIish
if ((isLOWER(min) && isLOWER(max)) ||
(isUPPER(min) && isUPPER(max))) {
/* mark the range as done, and continue */
dorange = FALSE;
+ didrange = TRUE;
continue;
- }
+ }
/* range begins (ignore - as first or last char) */
else if (*s == '-' && s+1 < send && s != start) {
+ if (didrange) {
+ Perl_croak(aTHX_ "Ambiguous range in transliteration operator");
+ }
if (utf) {
*d++ = (char)0xff; /* use illegal utf8 byte--see pmtrans */
s++;
dorange = TRUE;
s++;
}
+ else {
+ didrange = FALSE;
+ }
}
/* if we get here, we're not doing a transliteration */
* store private buffers and state information.
*
* The supplied datasv parameter is upgraded to a PVIO type
- * and the IoDIRP field is used to store the function pointer,
+ * and the IoDIRP/IoANY field is used to store the function pointer,
* and IOf_FAKE_DIRP is enabled on datasv to mark this as such.
* Note that IoTOP_NAME, IoFMT_NAME, IoBOTTOM_NAME, if set for
* private use must be set using malloc'd pointers.
datasv = NEWSV(255,0);
if (!SvUPGRADE(datasv, SVt_PVIO))
Perl_die(aTHX_ "Can't upgrade filter_add data to SVt_PVIO");
- IoDIRP(datasv) = (DIR*)funcp; /* stash funcp into spare field */
+ IoANY(datasv) = (void *)funcp; /* stash funcp into spare field */
IoFLAGS(datasv) |= IOf_FAKE_DIRP;
DEBUG_P(PerlIO_printf(Perl_debug_log, "filter_add func %p (%s)\n",
funcp, SvPV_nolen(datasv)));
return;
/* if filter is on top of stack (usual case) just pop it off */
datasv = FILTER_DATA(AvFILLp(PL_rsfp_filters));
- if (IoDIRP(datasv) == (DIR*)funcp) {
+ if (IoANY(datasv) == (void *)funcp) {
IoFLAGS(datasv) &= ~IOf_FAKE_DIRP;
- IoDIRP(datasv) = (DIR*)NULL;
+ IoANY(datasv) = (void *)NULL;
sv_free(av_pop(PL_rsfp_filters));
return;
return FILTER_READ(idx+1, buf_sv, maxlen); /* recurse */
}
/* Get function pointer hidden within datasv */
- funcp = (filter_t)IoDIRP(datasv);
+ funcp = (filter_t)IoANY(datasv);
DEBUG_P(PerlIO_printf(Perl_debug_log,
"filter_read %d: via function %p (%s)\n",
idx, funcp, SvPV_nolen(datasv)));
return (sv_gets(sv, fp, append));
}
+STATIC HV *
+S_find_in_my_stash(pTHX_ char *pkgname, I32 len)
+{
+ GV *gv;
+
+ if (len == 11 && *pkgname == '_' && strEQ(pkgname, "__PACKAGE__"))
+ return PL_curstash;
+
+ if (len > 2 &&
+ (pkgname[len - 2] == ':' && pkgname[len - 1] == ':') &&
+ (gv = gv_fetchpv(pkgname, FALSE, SVt_PVHV)))
+ {
+ return GvHV(gv); /* Foo:: */
+ }
+
+ /* use constant CLASS => 'MyClass' */
+ if ((gv = gv_fetchpv(pkgname, FALSE, SVt_PVCV))) {
+ SV *sv;
+ if (GvCV(gv) && (sv = cv_const_sv(GvCV(gv)))) {
+ pkgname = SvPV_nolen(sv);
+ }
+ }
+
+ return gv_stashpv(pkgname, FALSE);
+}
#ifdef DEBUGGING
static char* exp_name[] =
if we already built the token before, use it.
*/
+#ifdef __SC__
+#pragma segment Perl_yylex
+#endif
int
#ifdef USE_PURE_BISON
Perl_yylex(pTHX_ YYSTYPE *lvalp, int *lcharp)
*/
if (pit == '@' && PL_lex_state != LEX_NORMAL && !PL_lex_brackets) {
GV *gv = gv_fetchpv(PL_tokenbuf+1, FALSE, SVt_PVAV);
- if (!gv || ((PL_tokenbuf[0] == '@') ? !GvAV(gv) : !GvHV(gv)))
- yyerror(Perl_form(aTHX_ "In string, %s now must be written as \\%s",
- PL_tokenbuf, PL_tokenbuf));
+ if ((!gv || ((PL_tokenbuf[0] == '@') ? !GvAV(gv) : !GvHV(gv)))
+ && ckWARN(WARN_AMBIGUOUS))
+ {
+ /* Downgraded from fatal to warning 20000522 mjd */
+ Perl_warner(aTHX_ WARN_AMBIGUOUS,
+ "Possible unintended interpolation of %s in string",
+ PL_tokenbuf);
+ }
}
/* build ops for a bareword */
goto retry;
}
do {
- if ((s = filter_gets(PL_linestr, PL_rsfp, 0)) == Nullch) {
+ bool bof;
+ bof = PL_rsfp && (PerlIO_tell(PL_rsfp) == 0); /* *Before* read! */
+ s = filter_gets(PL_linestr, PL_rsfp, 0);
+ if (s == Nullch) {
fake_eof:
if (PL_rsfp) {
if (PL_preprocess && !PL_in_eval)
PL_oldoldbufptr = PL_oldbufptr = s = PL_linestart = SvPVX(PL_linestr);
sv_setpv(PL_linestr,"");
TOKEN(';'); /* not infinite loop because rsfp is NULL now */
+ } else if (bof) {
+ PL_bufend = SvPVX(PL_linestr) + SvCUR(PL_linestr);
+ s = swallow_bom((U8*)s);
}
if (PL_doextract) {
if (*s == '#' && s[1] == '!' && instr(s,"perl"))
PL_bufend = SvPVX(PL_linestr) + SvCUR(PL_linestr);
PL_doextract = FALSE;
}
- }
+ }
incline(s);
} while (PL_doextract);
PL_oldoldbufptr = PL_oldbufptr = PL_bufptr = PL_linestart = s;
*s = '#'; /* Don't try to parse shebang line */
}
#endif /* ALTERNATE_SHEBANG */
+#ifndef MACOS_TRADITIONAL
if (!d &&
*s == '#' &&
ipathend > ipath &&
PerlProc_execv(ipath, newargv);
Perl_croak(aTHX_ "Can't exec %s", ipath);
}
+#endif
if (d) {
U32 oldpdb = PL_perldb;
bool oldn = PL_minus_n;
bool oldp = PL_minus_p;
while (*d && !isSPACE(*d)) d++;
- while (*d == ' ' || *d == '\t') d++;
+ while (SPACE_OR_TAB(*d)) d++;
if (*d++ == '-') {
do {
"\t(Maybe you didn't strip carriage returns after a network transfer?)\n");
#endif
case ' ': case '\t': case '\f': case 013:
+#ifdef MACOS_TRADITIONAL
+ case '\312':
+#endif
s++;
goto retry;
case '#':
PL_bufptr = s;
tmp = *s++;
- while (s < PL_bufend && (*s == ' ' || *s == '\t'))
+ while (s < PL_bufend && SPACE_OR_TAB(*s))
s++;
if (strnEQ(s,"=>",2)) {
PL_expect = XTERM;
TOKEN('(');
case ';':
- if (CopLINE(PL_curcop) < PL_copline)
- PL_copline = CopLINE(PL_curcop);
+ CLINE;
tmp = *s++;
OPERATOR(tmp);
case ')':
PL_lex_brackstack[PL_lex_brackets++] = XOPERATOR;
OPERATOR(HASHBRACK);
case XOPERATOR:
- while (s < PL_bufend && (*s == ' ' || *s == '\t'))
+ while (s < PL_bufend && SPACE_OR_TAB(*s))
s++;
d = s;
PL_tokenbuf[0] = '\0';
if (d < PL_bufend && *d == '-') {
PL_tokenbuf[0] = '-';
d++;
- while (d < PL_bufend && (*d == ' ' || *d == '\t'))
+ while (d < PL_bufend && SPACE_OR_TAB(*d))
d++;
}
if (d < PL_bufend && isIDFIRST_lazy_if(d,UTF)) {
d = scan_word(d, PL_tokenbuf + 1, sizeof PL_tokenbuf - 1,
FALSE, &len);
- while (d < PL_bufend && (*d == ' ' || *d == '\t'))
+ while (d < PL_bufend && SPACE_OR_TAB(*d))
d++;
if (*d == '}') {
char minus = (PL_tokenbuf[0] == '-');
yyerror("Unmatched right curly bracket");
else
PL_expect = (expectation)PL_lex_brackstack[--PL_lex_brackets];
- if (PL_lex_brackets < PL_lex_formbrack)
+ if (PL_lex_brackets < PL_lex_formbrack && PL_lex_state != LEX_INTERPNORMAL)
PL_lex_formbrack = 0;
if (PL_lex_state == LEX_INTERPNORMAL) {
if (PL_lex_brackets == 0) {
if (PL_lex_brackets < PL_lex_formbrack) {
char *t;
#ifdef PERL_STRICT_CR
- for (t = s; *t == ' ' || *t == '\t'; t++) ;
+ for (t = s; SPACE_OR_TAB(*t); t++) ;
#else
- for (t = s; *t == ' ' || *t == '\t' || *t == '\r'; t++) ;
+ for (t = s; SPACE_OR_TAB(*t) || *t == '\r'; t++) ;
#endif
if (*t == '\n' || *t == '#') {
s--;
if (*s == '(') {
CLINE;
if (gv && GvCVu(gv)) {
- for (d = s + 1; *d == ' ' || *d == '\t'; d++) ;
+ for (d = s + 1; SPACE_OR_TAB(*d); d++) ;
if (*d == ')' && (sv = cv_const_sv(GvCV(gv)))) {
s = d + 1;
goto its_constant;
/* Mark this internal pseudo-handle as clean */
IoFLAGS(GvIOp(gv)) |= IOf_UNTAINT;
if (PL_preprocess)
- IoTYPE(GvIOp(gv)) = '|';
+ IoTYPE(GvIOp(gv)) = IoTYPE_PIPE;
else if ((PerlIO*)PL_rsfp == PerlIO_stdin())
- IoTYPE(GvIOp(gv)) = '-';
+ IoTYPE(GvIOp(gv)) = IoTYPE_STD;
else
- IoTYPE(GvIOp(gv)) = '<';
+ IoTYPE(GvIOp(gv)) = IoTYPE_RDONLY;
#if defined(WIN32) && !defined(PERL_TEXTMODE_SCRIPTS)
/* if the script was opened in binmode, we need to revert
* it to text mode for compatibility; but only iff it has CRs
&& PL_bufend[-1] == '\n' && PL_bufend[-2] == '\r')
{
Off_t loc = 0;
- if (IoTYPE(GvIOp(gv)) == '<') {
+ if (IoTYPE(GvIOp(gv)) == IoTYPE_RDONLY) {
loc = PerlIO_tell(PL_rsfp);
(void)PerlIO_seek(PL_rsfp, 0L, 0);
}
s = scan_word(s, PL_tokenbuf, sizeof PL_tokenbuf, TRUE, &len);
if (len == 3 && strnEQ(PL_tokenbuf, "sub", 3))
goto really_sub;
- PL_in_my_stash = gv_stashpv(PL_tokenbuf, FALSE);
+ PL_in_my_stash = find_in_my_stash(PL_tokenbuf, len);
if (!PL_in_my_stash) {
char tmpbuf[1024];
PL_bufptr = s;
}
}}
}
+#ifdef __SC__
+#pragma segment Main
+#endif
I32
Perl_keyword(pTHX_ register char *d, I32 len)
}
break;
case 'E':
- if (strEQ(d,"EQ")) { deprecate(d); return -KEY_eq;}
if (strEQ(d,"END")) return KEY_END;
break;
case 'e':
break;
}
break;
- case 'G':
- if (len == 2) {
- if (strEQ(d,"GT")) { deprecate(d); return -KEY_gt;}
- if (strEQ(d,"GE")) { deprecate(d); return -KEY_ge;}
- }
- break;
case 'g':
if (strnEQ(d,"get",3)) {
d += 3;
if (strEQ(d,"kill")) return -KEY_kill;
}
break;
- case 'L':
- if (len == 2) {
- if (strEQ(d,"LT")) { deprecate(d); return -KEY_lt;}
- if (strEQ(d,"LE")) { deprecate(d); return -KEY_le;}
- }
- break;
case 'l':
switch (len) {
case 2:
break;
}
break;
- case 'N':
- if (strEQ(d,"NE")) { deprecate(d); return -KEY_ne;}
- break;
case 'n':
if (strEQ(d,"next")) return KEY_next;
if (strEQ(d,"ne")) return -KEY_ne;
if (isSPACE(s[-1])) {
while (s < send) {
char ch = *s++;
- if (ch != ' ' && ch != '\t') {
+ if (!SPACE_OR_TAB(ch)) {
*d = ch;
break;
}
Perl_croak(aTHX_ ident_too_long);
}
*d = '\0';
- while (s < send && (*s == ' ' || *s == '\t')) s++;
+ while (s < send && SPACE_OR_TAB(*s)) s++;
if ((*s == '[' || (*s == '{' && strNE(dest, "sub")))) {
dTHR; /* only for ckWARN */
if (ckWARN(WARN_AMBIGUOUS) && keyword(dest, d - dest)) {
Perl_croak(aTHX_ "Transliteration replacement not terminated");
}
- if (UTF) {
- o = newSVOP(OP_TRANS, 0, 0);
- utf8 = OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF;
- }
- else {
- New(803,tbl,256,short);
- o = newPVOP(OP_TRANS, 0, (char*)tbl);
- utf8 = 0;
- }
+ New(803,tbl,256,short);
+ o = newPVOP(OP_TRANS, 0, (char*)tbl);
complement = del = squash = 0;
- while (strchr("cdsCU", *s)) {
+ while (strchr("cds", *s)) {
if (*s == 'c')
complement = OPpTRANS_COMPLEMENT;
else if (*s == 'd')
del = OPpTRANS_DELETE;
else if (*s == 's')
squash = OPpTRANS_SQUASH;
- else {
- switch (count++) {
- case 0:
- if (*s == 'C')
- utf8 &= ~OPpTRANS_FROM_UTF;
- else
- utf8 |= OPpTRANS_FROM_UTF;
- break;
- case 1:
- if (*s == 'C')
- utf8 &= ~OPpTRANS_TO_UTF;
- else
- utf8 |= OPpTRANS_TO_UTF;
- break;
- default:
- Perl_croak(aTHX_ "Too many /C and /U options");
- }
- }
s++;
}
- o->op_private = del|squash|complement|utf8;
+ o->op_private = del|squash|complement;
PL_lex_op = o;
yylval.ival = OP_TRANS;
e = PL_tokenbuf + sizeof PL_tokenbuf - 1;
if (!outer)
*d++ = '\n';
- for (peek = s; *peek == ' ' || *peek == '\t'; peek++) ;
+ for (peek = s; SPACE_OR_TAB(*peek); peek++) ;
if (*peek && strchr("`'\"",*peek)) {
s = peek;
term = *s++;
Strtol() and Strtoul() are used above.
[1] XXX Configure test needed to check for atol()
- (and atoll() overflow behaviour) XXX --jhi
+ (and atoll()) overflow behaviour XXX
+
+ --jhi
We need to do this the hard way. */
don't need to do the conversion at all.
[1] Note that this is lossy if our NVs cannot preserve our
- UVs. There is a metaconfig define, NV_PRESERVES_UV, but we
- really do hope all such platforms have strtou?ll? to do a
- lossless IV/UV conversion.
- XXX Configure test needed to check how many UV bits
- do our NVs preserve, really (the current test checks
- for the roundtrip of ~0) XXX --jhi
- Maybe do some tricks with DBL_MANT_DIG and LDBL_MANT_DIG,
- and DBL_DIG, LDBL_DIG (this is already available as NV_DIG)?
+ UVs. There are metaconfig defines NV_PRESERVES_UV (a boolean)
+ and NV_PRESERVES_UV_BITS (a number), but in general we really
+ do hope all such potentially lossy platforms have strtou?ll?
+ to do a lossless IV/UV conversion.
+
+ Maybe could do some tricks with DBL_DIG, LDBL_DIG and
+ DBL_MANT_DIG and LDBL_MANT_DIG (these are already available
+ as NV_DIG and NV_MANT_DIG)?
+
+ --jhi
*/
{
UV uv = U_V(nv);
bool needargs = FALSE;
while (!needargs) {
- if (*s == '.' || *s == '}') {
+ if (*s == '.' || *s == /*{*/'}') {
/*SUPPRESS 530*/
#ifdef PERL_STRICT_CR
- for (t = s+1;*t == ' ' || *t == '\t'; t++) ;
+ for (t = s+1;SPACE_OR_TAB(*t); t++) ;
#else
- for (t = s+1;*t == ' ' || *t == '\t' || *t == '\r'; t++) ;
+ for (t = s+1;SPACE_OR_TAB(*t) || *t == '\r'; t++) ;
#endif
if (*t == '\n' || t == PL_bufend)
break;
return 0;
}
+STATIC char*
+S_swallow_bom(pTHX_ U8 *s)
+{
+ STRLEN slen;
+ slen = SvCUR(PL_linestr);
+ switch (*s) {
+ case 0xFF:
+ if (s[1] == 0xFE) {
+ /* UTF-16 little-endian */
+ if (s[2] == 0 && s[3] == 0) /* UTF-32 little-endian */
+ Perl_croak(aTHX_ "Unsupported script encoding");
+#ifndef PERL_NO_UTF16_FILTER
+ DEBUG_p(PerlIO_printf(Perl_debug_log, "UTF-LE script encoding\n"));
+ s += 2;
+ if (PL_bufend > (char*)s) {
+ U8 *news;
+ I32 newlen;
+
+ filter_add(utf16rev_textfilter, NULL);
+ New(898, news, (PL_bufend - (char*)s) * 3 / 2 + 1, U8);
+ PL_bufend = (char*)utf16_to_utf8_reversed(s, news,
+ PL_bufend - (char*)s - 1,
+ &newlen);
+ Copy(news, s, newlen, U8);
+ SvCUR_set(PL_linestr, newlen);
+ PL_bufend = SvPVX(PL_linestr) + newlen;
+ news[newlen++] = '\0';
+ Safefree(news);
+ }
+#else
+ Perl_croak(aTHX_ "Unsupported script encoding");
+#endif
+ }
+ break;
+ case 0xFE:
+ if (s[1] == 0xFF) { /* UTF-16 big-endian */
+#ifndef PERL_NO_UTF16_FILTER
+ DEBUG_p(PerlIO_printf(Perl_debug_log, "UTF-16BE script encoding\n"));
+ s += 2;
+ if (PL_bufend > (char *)s) {
+ U8 *news;
+ I32 newlen;
+
+ filter_add(utf16_textfilter, NULL);
+ New(898, news, (PL_bufend - (char*)s) * 3 / 2 + 1, U8);
+ PL_bufend = (char*)utf16_to_utf8(s, news,
+ PL_bufend - (char*)s,
+ &newlen);
+ Copy(news, s, newlen, U8);
+ SvCUR_set(PL_linestr, newlen);
+ PL_bufend = SvPVX(PL_linestr) + newlen;
+ news[newlen++] = '\0';
+ Safefree(news);
+ }
+#else
+ Perl_croak(aTHX_ "Unsupported script encoding");
+#endif
+ }
+ break;
+ case 0xEF:
+ if (slen > 2 && s[1] == 0xBB && s[2] == 0xBF) {
+ DEBUG_p(PerlIO_printf(Perl_debug_log, "UTF-8 script encoding\n"));
+ s += 3; /* UTF-8 */
+ }
+ break;
+ case 0:
+ if (slen > 3 && s[1] == 0 && /* UTF-32 big-endian */
+ s[2] == 0xFE && s[3] == 0xFF)
+ {
+ Perl_croak(aTHX_ "Unsupported script encoding");
+ }
+ }
+ return (char*)s;
+}
#ifdef PERL_OBJECT
#include "XSUB.h"
PerlIO_close(PL_rsfp);
PL_rsfp = fp;
}
+
+#ifndef PERL_NO_UTF16_FILTER
+static I32
+utf16_textfilter(pTHXo_ int idx, SV *sv, int maxlen)
+{
+ I32 count = FILTER_READ(idx+1, sv, maxlen);
+ if (count) {
+ U8* tmps;
+ U8* tend;
+ I32 newlen;
+ New(898, tmps, SvCUR(sv) * 3 / 2 + 1, U8);
+ if (!*SvPV_nolen(sv))
+ /* Game over, but don't feed an odd-length string to utf16_to_utf8 */
+ return count;
+
+ tend = utf16_to_utf8((U8*)SvPVX(sv), tmps, SvCUR(sv), &newlen);
+ sv_usepvn(sv, (char*)tmps, tend - tmps);
+ }
+ return count;
+}
+
+static I32
+utf16rev_textfilter(pTHXo_ int idx, SV *sv, int maxlen)
+{
+ I32 count = FILTER_READ(idx+1, sv, maxlen);
+ if (count) {
+ U8* tmps;
+ U8* tend;
+ I32 newlen;
+ if (!*SvPV_nolen(sv))
+ /* Game over, but don't feed an odd-length string to utf16_to_utf8 */
+ return count;
+
+ New(898, tmps, SvCUR(sv) * 3 / 2 + 1, U8);
+ tend = utf16_to_utf8_reversed((U8*)SvPVX(sv), tmps, SvCUR(sv), &newlen);
+ sv_usepvn(sv, (char*)tmps, tend - tmps);
+ }
+ return count;
+}
+#endif
https://perl5.git.perl.org / perl5.git / blobdiff