#endif
#endif /* Loop style */
}
-
-U8 *
-Perl_uvuni_to_utf8(pTHX_ U8 *d, UV uv)
-{
- return Perl_uvuni_to_utf8_flags(aTHX_ d, uv, 0);
-}
/*
slen = len - 1;
s++;
+#ifdef EBCDIC
+ u = NATIVE_TO_UTF(u);
+#endif
u &= UTF_START_MASK(len);
uv = u;
ouv = uv;
STRLEN
Perl_is_utf8_char(pTHX_ const U8 *s)
{
- STRLEN len = UTF8SKIP(s);
+ const STRLEN len = UTF8SKIP(s);
#ifdef IS_UTF8_CHAR
if (IS_UTF8_CHAR_FAST(len))
return IS_UTF8_CHAR(s, len) ? len : 0;
const U8* x = s;
const U8* send;
- if (!len && s)
+ if (!len)
len = strlen((const char *)s);
send = s + len;
}
/*
+Implemented as a macro in utf8.h
+
+=for apidoc A|bool|is_utf8_string_loc|const U8 *s|STRLEN len|const U8 **ep
+
+Like is_utf8_string() but stores the location of the failure (in the
+case of "utf8ness failure") or the location s+len (in the case of
+"utf8ness success") in the C<ep>.
+
+See also is_utf8_string_loclen() and is_utf8_string().
+
=for apidoc A|bool|is_utf8_string_loclen|const U8 *s|STRLEN len|const U8 **ep|const STRLEN *el
-Like is_ut8_string() but stores the location of the failure (in the
+Like is_utf8_string() but stores the location of the failure (in the
case of "utf8ness failure") or the location s+len (in the case of
"utf8ness success") in the C<ep>, and the number of UTF-8
encoded characters in the C<el>.
const U8* send;
STRLEN c;
- if (!len && s)
+ if (!len)
len = strlen((const char *)s);
send = s + len;
if (el)
}
/*
-=for apidoc A|bool|is_utf8_string_loc|const U8 *s|STRLEN len|const U8 **ep|const STRLEN *el
-
-Like is_ut8_string() but stores the location of the failure (in the
-case of "utf8ness failure") or the location s+len (in the case of
-"utf8ness success") in the C<ep>.
-
-See also is_utf8_string_loclen() and is_utf8_string().
-
-=cut
-*/
-bool
-Perl_is_utf8_string_loc(pTHX_ const U8 *s, STRLEN len, const U8 **ep)
-{
- return is_utf8_string_loclen(s, len, ep, 0);
-}
-
-/*
=for apidoc A|UV|utf8n_to_uvuni|const U8 *s|STRLEN curlen|STRLEN *retlen|U32 flags
Bottom level UTF-8 decode routine.
}
if (dowarn) {
- SV* sv = sv_2mortal(newSVpv("Malformed UTF-8 character ", 0));
+ SV* const sv = sv_2mortal(newSVpv("Malformed UTF-8 character ", 0));
switch (warning) {
case 0: /* Intentionally empty. */ break;
if (s == s0)
Perl_sv_catpvf(aTHX_ sv, "(unexpected non-continuation byte 0x%02"UVxf", immediately after start byte 0x%02"UVxf")",
(UV)s[1], startbyte);
- else
+ else {
+ const int len = (int)(s-s0);
Perl_sv_catpvf(aTHX_ sv, "(unexpected non-continuation byte 0x%02"UVxf", %d byte%s after start byte 0x%02"UVxf", expected %d bytes)",
- (UV)s[1], s - s0, s - s0 > 1 ? "s" : "", startbyte, (int)expectlen);
-
+ (UV)s[1], len, len > 1 ? "s" : "", startbyte, (int)expectlen);
+ }
+
break;
case UTF8_WARN_FE_FF:
Perl_sv_catpvf(aTHX_ sv, "(byte 0x%02"UVxf")", uv);
}
if (warning) {
- const char *s = SvPVX_const(sv);
+ const char * const s = SvPVX_const(sv);
if (PL_op)
Perl_warner(aTHX_ packWARN(WARN_UTF8),
UV
Perl_utf8_to_uvchr(pTHX_ const U8 *s, STRLEN *retlen)
{
- return Perl_utf8n_to_uvchr(aTHX_ s, UTF8_MAXBYTES, retlen,
- ckWARN(WARN_UTF8) ? 0 : UTF8_ALLOW_ANY);
+ return utf8n_to_uvchr(s, UTF8_MAXBYTES, retlen,
+ ckWARN(WARN_UTF8) ? 0 : UTF8_ALLOW_ANY);
}
/*
return (U32)to_uni_lower(c, tmpbuf, &len);
}
-bool
-Perl_is_utf8_alnum(pTHX_ const U8 *p)
+static bool
+S_is_utf8_common(pTHX_ const U8 *const p, SV **swash,
+ const char *const swashname)
{
if (!is_utf8_char(p))
return FALSE;
- if (!PL_utf8_alnum)
- /* NOTE: "IsWord", not "IsAlnum", since Alnum is a true
- * descendant of isalnum(3), in other words, it doesn't
- * contain the '_'. --jhi */
- PL_utf8_alnum = swash_init("utf8", "IsWord", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_alnum, p, TRUE) != 0;
-/* return *p == '_' || is_utf8_alpha(p) || is_utf8_digit(p); */
-#ifdef SURPRISINGLY_SLOWER /* probably because alpha is usually true */
- if (!PL_utf8_alnum)
- PL_utf8_alnum = swash_init("utf8", "",
- sv_2mortal(newSVpv("+utf8::IsAlpha\n+utf8::IsDigit\n005F\n",0)), 0, 0);
- return swash_fetch(PL_utf8_alnum, p, TRUE) != 0;
-#endif
+ if (!*swash)
+ *swash = swash_init("utf8", swashname, &PL_sv_undef, 0, 0);
+ return swash_fetch(*swash, p, TRUE) != 0;
+}
+
+bool
+Perl_is_utf8_alnum(pTHX_ const U8 *p)
+{
+ /* NOTE: "IsWord", not "IsAlnum", since Alnum is a true
+ * descendant of isalnum(3), in other words, it doesn't
+ * contain the '_'. --jhi */
+ return S_is_utf8_common(aTHX_ p, &PL_utf8_alnum, "IsWord");
}
bool
Perl_is_utf8_alnumc(pTHX_ const U8 *p)
{
- if (!is_utf8_char(p))
- return FALSE;
- if (!PL_utf8_alnum)
- PL_utf8_alnum = swash_init("utf8", "IsAlnumC", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_alnum, p, TRUE) != 0;
-/* return is_utf8_alpha(p) || is_utf8_digit(p); */
-#ifdef SURPRISINGLY_SLOWER /* probably because alpha is usually true */
- if (!PL_utf8_alnum)
- PL_utf8_alnum = swash_init("utf8", "",
- sv_2mortal(newSVpv("+utf8::IsAlpha\n+utf8::IsDigit\n005F\n",0)), 0, 0);
- return swash_fetch(PL_utf8_alnum, p, TRUE) != 0;
-#endif
+ return S_is_utf8_common(aTHX_ p, &PL_utf8_alnumc, "IsAlnumC");
}
bool
{
if (*p == '_')
return TRUE;
- if (!is_utf8_char(p))
- return FALSE;
- if (!PL_utf8_idstart) /* is_utf8_idstart would be more logical. */
- PL_utf8_idstart = swash_init("utf8", "IdStart", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_idstart, p, TRUE) != 0;
+ /* is_utf8_idstart would be more logical. */
+ return S_is_utf8_common(aTHX_ p, &PL_utf8_idstart, "IdStart");
}
bool
{
if (*p == '_')
return TRUE;
- if (!is_utf8_char(p))
- return FALSE;
- if (!PL_utf8_idcont)
- PL_utf8_idcont = swash_init("utf8", "IdContinue", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_idcont, p, TRUE) != 0;
+ return S_is_utf8_common(aTHX_ p, &PL_utf8_idcont, "IdContinue");
}
bool
Perl_is_utf8_alpha(pTHX_ const U8 *p)
{
- if (!is_utf8_char(p))
- return FALSE;
- if (!PL_utf8_alpha)
- PL_utf8_alpha = swash_init("utf8", "IsAlpha", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_alpha, p, TRUE) != 0;
+ return S_is_utf8_common(aTHX_ p, &PL_utf8_alpha, "IsAlpha");
}
bool
Perl_is_utf8_ascii(pTHX_ const U8 *p)
{
- if (!is_utf8_char(p))
- return FALSE;
- if (!PL_utf8_ascii)
- PL_utf8_ascii = swash_init("utf8", "IsAscii", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_ascii, p, TRUE) != 0;
+ return S_is_utf8_common(aTHX_ p, &PL_utf8_ascii, "IsAscii");
}
bool
Perl_is_utf8_space(pTHX_ const U8 *p)
{
- if (!is_utf8_char(p))
- return FALSE;
- if (!PL_utf8_space)
- PL_utf8_space = swash_init("utf8", "IsSpacePerl", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_space, p, TRUE) != 0;
+ return S_is_utf8_common(aTHX_ p, &PL_utf8_space, "IsSpacePerl");
}
bool
Perl_is_utf8_digit(pTHX_ const U8 *p)
{
- if (!is_utf8_char(p))
- return FALSE;
- if (!PL_utf8_digit)
- PL_utf8_digit = swash_init("utf8", "IsDigit", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_digit, p, TRUE) != 0;
+ return S_is_utf8_common(aTHX_ p, &PL_utf8_digit, "IsDigit");
}
bool
Perl_is_utf8_upper(pTHX_ const U8 *p)
{
- if (!is_utf8_char(p))
- return FALSE;
- if (!PL_utf8_upper)
- PL_utf8_upper = swash_init("utf8", "IsUppercase", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_upper, p, TRUE) != 0;
+ return S_is_utf8_common(aTHX_ p, &PL_utf8_upper, "IsUppercase");
}
bool
Perl_is_utf8_lower(pTHX_ const U8 *p)
{
- if (!is_utf8_char(p))
- return FALSE;
- if (!PL_utf8_lower)
- PL_utf8_lower = swash_init("utf8", "IsLowercase", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_lower, p, TRUE) != 0;
+ return S_is_utf8_common(aTHX_ p, &PL_utf8_lower, "IsLowercase");
}
bool
Perl_is_utf8_cntrl(pTHX_ const U8 *p)
{
- if (!is_utf8_char(p))
- return FALSE;
- if (!PL_utf8_cntrl)
- PL_utf8_cntrl = swash_init("utf8", "IsCntrl", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_cntrl, p, TRUE) != 0;
+ return S_is_utf8_common(aTHX_ p, &PL_utf8_cntrl, "IsCntrl");
}
bool
Perl_is_utf8_graph(pTHX_ const U8 *p)
{
- if (!is_utf8_char(p))
- return FALSE;
- if (!PL_utf8_graph)
- PL_utf8_graph = swash_init("utf8", "IsGraph", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_graph, p, TRUE) != 0;
+ return S_is_utf8_common(aTHX_ p, &PL_utf8_graph, "IsGraph");
}
bool
Perl_is_utf8_print(pTHX_ const U8 *p)
{
- if (!is_utf8_char(p))
- return FALSE;
- if (!PL_utf8_print)
- PL_utf8_print = swash_init("utf8", "IsPrint", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_print, p, TRUE) != 0;
+ return S_is_utf8_common(aTHX_ p, &PL_utf8_print, "IsPrint");
}
bool
Perl_is_utf8_punct(pTHX_ const U8 *p)
{
- if (!is_utf8_char(p))
- return FALSE;
- if (!PL_utf8_punct)
- PL_utf8_punct = swash_init("utf8", "IsPunct", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_punct, p, TRUE) != 0;
+ return S_is_utf8_common(aTHX_ p, &PL_utf8_punct, "IsPunct");
}
bool
Perl_is_utf8_xdigit(pTHX_ const U8 *p)
{
- if (!is_utf8_char(p))
- return FALSE;
- if (!PL_utf8_xdigit)
- PL_utf8_xdigit = swash_init("utf8", "IsXDigit", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_xdigit, p, TRUE) != 0;
+ return S_is_utf8_common(aTHX_ p, &PL_utf8_xdigit, "Isxdigit");
}
bool
Perl_is_utf8_mark(pTHX_ const U8 *p)
{
- if (!is_utf8_char(p))
- return FALSE;
- if (!PL_utf8_mark)
- PL_utf8_mark = swash_init("utf8", "IsM", &PL_sv_undef, 0, 0);
- return swash_fetch(PL_utf8_mark, p, TRUE) != 0;
+ return S_is_utf8_common(aTHX_ p, &PL_utf8_mark, "IsM");
}
/*
=cut */
UV
-Perl_to_utf8_case(pTHX_ const U8 *p, U8* ustrp, STRLEN *lenp, SV **swashp, const char *normal, const char *special)
+Perl_to_utf8_case(pTHX_ const U8 *p, U8* ustrp, STRLEN *lenp,
+ SV **swashp, const char *normal, const char *special)
{
U8 tmpbuf[UTF8_MAXBYTES_CASE+1];
STRLEN len = 0;
- const UV uv0 = utf8_to_uvchr(p, 0);
+ const UV uv0 = utf8_to_uvchr(p, NULL);
/* The NATIVE_TO_UNI() and UNI_TO_NATIVE() mappings
* are necessary in EBCDIC, they are redundant no-ops
* in ASCII-ish platforms, and hopefully optimized away. */
{
dVAR;
SV* retval;
- SV* tokenbufsv = sv_newmortal();
+ SV* const tokenbufsv = sv_newmortal();
dSP;
const size_t pkg_len = strlen(pkg);
const size_t name_len = strlen(name);
- HV *stash = gv_stashpvn(pkg, pkg_len, FALSE);
+ HV * const stash = gv_stashpvn(pkg, pkg_len, FALSE);
SV* errsv_save;
PUSHSTACKi(PERLSI_MAGIC);
POPSTACK;
if (IN_PERL_COMPILETIME) {
STRLEN len;
- const char* pv = SvPV_const(tokenbufsv, len);
+ const char* const pv = SvPV_const(tokenbufsv, len);
Copy(pv, PL_tokenbuf, len+1, char);
PL_curcop->op_private = (U8)(PL_hints & HINT_PRIVATE_MASK);
Perl_swash_fetch(pTHX_ SV *sv, const U8 *ptr, bool do_utf8)
{
dVAR;
- HV* hv = (HV*)SvRV(sv);
+ HV* const hv = (HV*)SvRV(sv);
U32 klen;
U32 off;
STRLEN slen;
/* We use utf8n_to_uvuni() as we want an index into
Unicode tables, not a native character number.
*/
- UV code_point = utf8n_to_uvuni(ptr, UTF8_MAXBYTES, 0,
+ const UV code_point = utf8n_to_uvuni(ptr, UTF8_MAXBYTES, 0,
ckWARN(WARN_UTF8) ?
0 : UTF8_ALLOW_ANY);
SV *errsv_save;
return 0;
}
-
/*
=for apidoc A|U8 *|uvchr_to_utf8|U8 *d|UV uv
/* On ASCII machines this is normally a macro but we want a
real function in case XS code wants it
*/
-#undef Perl_uvchr_to_utf8
U8 *
Perl_uvchr_to_utf8(pTHX_ U8 *d, UV uv)
{
}
/*
-=for apidoc A|UV|utf8n_to_uvchr|U8 *s|STRLEN curlen|STRLEN *retlen|U32 flags
+=for apidoc A|UV|utf8n_to_uvchr|U8 *s|STRLEN curlen|STRLEN *retlen|U32
+flags
-Returns the native character value of the first character in the string C<s>
+Returns the native character value of the first character in the string
+C<s>
which is assumed to be in UTF-8 encoding; C<retlen> will be set to the
length, in bytes, of that character.
/* On ASCII machines this is normally a macro but we want
a real function in case XS code wants it
*/
-#undef Perl_utf8n_to_uvchr
UV
-Perl_utf8n_to_uvchr(pTHX_ const U8 *s, STRLEN curlen, STRLEN *retlen, U32 flags)
+Perl_utf8n_to_uvchr(pTHX_ const U8 *s, STRLEN curlen, STRLEN *retlen,
+U32 flags)
{
- UV uv = Perl_utf8n_to_uvuni(aTHX_ s, curlen, retlen, flags);
+ const UV uv = Perl_utf8n_to_uvuni(aTHX_ s, curlen, retlen, flags);
return UNI_TO_NATIVE(uv);
}