+#line 2 "universal.c"
/* universal.c
*
* Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
#define PERL_IN_UNIVERSAL_C
#include "perl.h"
-#ifdef USE_PERLIO
+#if defined(USE_PERLIO)
#include "perliol.h" /* For the PERLIO_F_XXX */
#endif
* The main guts of traverse_isa was actually copied from gv_fetchmeth
*/
+#define PERL_ARGS_ASSERT_ISA_LOOKUP \
+ assert(stash); \
+ assert(namesv || name)
+
+
STATIC bool
-S_isa_lookup(pTHX_ HV *stash, const char * const name, STRLEN len, U32 flags)
+S_isa_lookup(pTHX_ HV *stash, SV *namesv, const char * name, STRLEN len, U32 flags)
{
- dVAR;
const struct mro_meta *const meta = HvMROMETA(stash);
HV *isa = meta->isa;
const HV *our_stash;
PERL_ARGS_ASSERT_ISA_LOOKUP;
if (!isa) {
- (void)mro_get_linear_isa(stash);
- isa = meta->isa;
+ (void)mro_get_linear_isa(stash);
+ isa = meta->isa;
}
- if (hv_common(isa, NULL, name, len, ( flags & SVf_UTF8 ? HVhek_UTF8 : 0),
- HV_FETCH_ISEXISTS, NULL, 0)) {
- /* Direct name lookup worked. */
- return TRUE;
+ if (hv_common(isa, namesv, name, len, ( flags & SVf_UTF8 ? HVhek_UTF8 : 0),
+ HV_FETCH_ISEXISTS, NULL, 0)) {
+ /* Direct name lookup worked. */
+ return TRUE;
}
/* A stash/class can go by many names (ie. User == main::User), so
we use the HvENAME in the stash itself, which is canonical, falling
back to HvNAME if necessary. */
- our_stash = gv_stashpvn(name, len, flags);
+ our_stash = gv_stashsvpvn_cached(namesv, name, len, flags);
if (our_stash) {
- HEK *canon_name = HvENAME_HEK(our_stash);
- if (!canon_name) canon_name = HvNAME_HEK(our_stash);
-
- if (hv_common(isa, NULL, HEK_KEY(canon_name), HEK_LEN(canon_name),
- HEK_FLAGS(canon_name),
- HV_FETCH_ISEXISTS, NULL, HEK_HASH(canon_name))) {
- return TRUE;
- }
+ HEK *canon_name = HvENAME_HEK(our_stash);
+ if (!canon_name) canon_name = HvNAME_HEK(our_stash);
+ assert(canon_name);
+ if (hv_common(isa, NULL, HEK_KEY(canon_name), HEK_LEN(canon_name),
+ HEK_FLAGS(canon_name),
+ HV_FETCH_ISEXISTS, NULL, HEK_HASH(canon_name))) {
+ return TRUE;
+ }
}
return FALSE;
}
+#define PERL_ARGS_ASSERT_SV_DERIVED_FROM_SVPVN \
+ assert(sv); \
+ assert(namesv || name)
+
+STATIC bool
+S_sv_derived_from_svpvn(pTHX_ SV *sv, SV *namesv, const char * name, const STRLEN len, U32 flags)
+{
+ HV* stash;
+
+ PERL_ARGS_ASSERT_SV_DERIVED_FROM_SVPVN;
+ SvGETMAGIC(sv);
+
+ if (SvROK(sv)) {
+ const char *type;
+ sv = SvRV(sv);
+ type = sv_reftype(sv,0);
+ if (type) {
+ if (namesv)
+ name = SvPV_nolen(namesv);
+ if (strEQ(name, type))
+ return TRUE;
+ }
+ if (!SvOBJECT(sv))
+ return FALSE;
+ stash = SvSTASH(sv);
+ }
+ else {
+ stash = gv_stashsv(sv, 0);
+ }
+
+ if (stash && isa_lookup(stash, namesv, name, len, flags))
+ return TRUE;
+
+ stash = gv_stashpvs("UNIVERSAL", 0);
+ return stash && isa_lookup(stash, namesv, name, len, flags);
+}
+
/*
-=head1 SV Manipulation Functions
+=for apidoc_section $SV
=for apidoc sv_derived_from_pvn
=for apidoc sv_derived_from_sv
Exactly like L</sv_derived_from_pvn>, but takes the name string in the form
-of an SV instead of a string/length pair.
+of an SV instead of a string/length pair. This is the advised form.
=cut
bool
Perl_sv_derived_from_sv(pTHX_ SV *sv, SV *namesv, U32 flags)
{
- char *namepv;
- STRLEN namelen;
PERL_ARGS_ASSERT_SV_DERIVED_FROM_SV;
- namepv = SvPV(namesv, namelen);
- if (SvUTF8(namesv))
- flags |= SVf_UTF8;
- return sv_derived_from_pvn(sv, namepv, namelen, flags);
+ return sv_derived_from_svpvn(sv, namesv, NULL, 0, flags);
}
/*
Perl_sv_derived_from(pTHX_ SV *sv, const char *const name)
{
PERL_ARGS_ASSERT_SV_DERIVED_FROM;
- return sv_derived_from_pvn(sv, name, strlen(name), 0);
+ return sv_derived_from_svpvn(sv, NULL, name, strlen(name), 0);
}
/*
Perl_sv_derived_from_pv(pTHX_ SV *sv, const char *const name, U32 flags)
{
PERL_ARGS_ASSERT_SV_DERIVED_FROM_PV;
- return sv_derived_from_pvn(sv, name, strlen(name), flags);
+ return sv_derived_from_svpvn(sv, NULL, name, strlen(name), flags);
}
bool
Perl_sv_derived_from_pvn(pTHX_ SV *sv, const char *const name, const STRLEN len, U32 flags)
{
- dVAR;
- HV *stash;
-
PERL_ARGS_ASSERT_SV_DERIVED_FROM_PVN;
+ return sv_derived_from_svpvn(sv, NULL, name, len, flags);
+}
- SvGETMAGIC(sv);
+/*
+=for apidoc sv_derived_from_hv
- if (SvROK(sv)) {
- const char *type;
- sv = SvRV(sv);
- type = sv_reftype(sv,0);
- if (type && strEQ(type,name))
- return TRUE;
- stash = SvOBJECT(sv) ? SvSTASH(sv) : NULL;
- }
- else {
- stash = gv_stashsv(sv, 0);
+Exactly like L</sv_derived_from_pvn>, but takes the name string as the
+C<HvNAME> of the given HV (which would presumably represent a stash).
+
+=cut
+*/
+
+bool
+Perl_sv_derived_from_hv(pTHX_ SV *sv, HV *hv)
+{
+ PERL_ARGS_ASSERT_SV_DERIVED_FROM_HV;
+
+ const char *hvname = HvNAME(hv);
+ if(!hvname)
+ return FALSE;
+
+ return sv_derived_from_svpvn(sv, NULL, hvname, HvNAMELEN(hv), HvNAMEUTF8(hv) ? SVf_UTF8 : 0);
+}
+
+/*
+=for apidoc sv_isa_sv
+
+Returns a boolean indicating whether the SV is an object reference and is
+derived from the specified class, respecting any C<isa()> method overloading
+it may have. Returns false if C<sv> is not a reference to an object, or is
+not derived from the specified class.
+
+This is the function used to implement the behaviour of the C<isa> operator.
+
+Does not invoke magic on C<sv>.
+
+Not to be confused with the older C<sv_isa> function, which does not use an
+overloaded C<isa()> method, nor will check subclassing.
+
+=cut
+
+*/
+
+bool
+Perl_sv_isa_sv(pTHX_ SV *sv, SV *namesv)
+{
+ GV *isagv;
+
+ PERL_ARGS_ASSERT_SV_ISA_SV;
+
+ if(!SvROK(sv) || !SvOBJECT(SvRV(sv)))
+ return FALSE;
+
+ isagv = gv_fetchmeth_pvn(SvSTASH(SvRV(sv)), "isa", 3, -1, GV_NOUNIVERSAL);
+ if(isagv) {
+ dSP;
+ CV *isacv = isGV(isagv) ? GvCV(isagv) : (CV *)isagv;
+ SV *retsv;
+ bool ret;
+
+ PUTBACK;
+
+ ENTER;
+ SAVETMPS;
+
+ EXTEND(SP, 2);
+ PUSHMARK(SP);
+ PUSHs(sv);
+ PUSHs(namesv);
+ PUTBACK;
+
+ call_sv((SV *)isacv, G_SCALAR);
+
+ SPAGAIN;
+ retsv = POPs;
+ ret = SvTRUE(retsv);
+ PUTBACK;
+
+ FREETMPS;
+ LEAVE;
+
+ return ret;
}
- return stash ? isa_lookup(stash, name, len, flags) : FALSE;
+ /* TODO: Support namesv being an HV ref to the stash directly? */
+
+ return sv_derived_from_sv(sv, namesv, 0);
}
/*
SvGETMAGIC(sv);
- if (!SvOK(sv) || !(SvROK(sv) || (SvPOK(sv) && SvCUR(sv))
- || (SvGMAGICAL(sv) && SvPOKp(sv) && SvCUR(sv)))) {
- LEAVE;
- return FALSE;
+ if (!SvOK(sv) || !(SvROK(sv) || (SvPOK(sv) && SvCUR(sv)))) {
+ LEAVE;
+ return FALSE;
}
- if (sv_isobject(sv)) {
- classname = sv_ref(NULL,SvRV(sv),TRUE);
+ if (SvROK(sv) && SvOBJECT(SvRV(sv))) {
+ classname = sv_ref(NULL,SvRV(sv),TRUE);
} else {
- classname = sv;
+ classname = sv;
}
if (sv_eq(classname, namesv)) {
- LEAVE;
- return TRUE;
+ LEAVE;
+ return TRUE;
}
PUSHMARK(SP);
PUSHs(namesv);
PUTBACK;
- methodname = newSVpvs_flags("isa", SVs_TEMP);
- /* ugly hack: use the SvSCREAM flag so S_method_common
- * can figure out we're calling DOES() and not isa(),
- * and report eventual errors correctly. --rgs */
- SvSCREAM_on(methodname);
+ /* create a PV with value "isa", but with a special address
+ * so that perl knows we're really doing "DOES" instead */
+ methodname = newSV_type_mortal(SVt_PV);
+ SvLEN_set(methodname, 0);
+ SvCUR_set(methodname, strlen(PL_isa_DOES));
+ SvPVX(methodname) = (char *)PL_isa_DOES; /* discard 'const' qualifier */
+ SvPOK_on(methodname);
call_sv(methodname, G_SCALAR | G_METHOD);
SPAGAIN;
- does_it = SvTRUE( TOPs );
+ does_it = SvTRUE_NN( TOPs );
FREETMPS;
LEAVE;
croak_xs_usage(cv, "eee_yow");
works out the package name and subroutine name from C<cv>, and then calls
-C<croak()>. Hence if C<cv> is C<&ouch::awk>, it would call C<croak> as:
+C<croak()>. Hence if C<cv> is C<&ouch::awk>, it would call C<croak> as:
- Perl_croak(aTHX_ "Usage: %"SVf"::%"SVf"(%s)", "ouch" "awk", "eee_yow");
+ diag_listed_as: SKIPME
+ Perl_croak(aTHX_ "Usage: %" SVf "::%" SVf "(%s)", "ouch" "awk",
+ "eee_yow");
=cut
*/
void
-Perl_croak_xs_usage(pTHX_ const CV *const cv, const char *const params)
+Perl_croak_xs_usage(const CV *const cv, const char *const params)
{
- const GV *const gv = CvGV(cv);
+ /* Avoid CvGV as it requires aTHX. */
+ const GV *gv = CvNAMED(cv) ? NULL : cv->sv_any->xcv_gv_u.xcv_gv;
PERL_ARGS_ASSERT_CROAK_XS_USAGE;
- if (gv) {
- const HV *const stash = GvSTASH(gv);
+ if (gv) got_gv: {
+ const HV *const stash = GvSTASH(gv);
- if (HvNAME_get(stash))
- Perl_croak(aTHX_ "Usage: %"HEKf"::%"HEKf"(%s)",
+ if (HvNAME_get(stash))
+ /* diag_listed_as: SKIPME */
+ Perl_croak_nocontext("Usage: %" HEKf "::%" HEKf "(%s)",
HEKfARG(HvNAME_HEK(stash)),
HEKfARG(GvNAME_HEK(gv)),
params);
- else
- Perl_croak(aTHX_ "Usage: %"HEKf"(%s)",
+ else
+ /* diag_listed_as: SKIPME */
+ Perl_croak_nocontext("Usage: %" HEKf "(%s)",
HEKfARG(GvNAME_HEK(gv)), params);
} else {
- /* Pants. I don't think that it should be possible to get here. */
- Perl_croak(aTHX_ "Usage: CODE(0x%"UVxf")(%s)", PTR2UV(cv), params);
+ dTHX;
+ if ((gv = CvGV(cv))) goto got_gv;
+
+ /* Pants. I don't think that it should be possible to get here. */
+ /* diag_listed_as: SKIPME */
+ Perl_croak(aTHX_ "Usage: CODE(0x%" UVxf ")(%s)", PTR2UV(cv), params);
}
}
+XS(XS_UNIVERSAL_isa); /* prototype to pass -Wmissing-prototypes */
XS(XS_UNIVERSAL_isa)
{
- dVAR;
dXSARGS;
if (items != 2)
- croak_xs_usage(cv, "reference, kind");
+ croak_xs_usage(cv, "reference, kind");
else {
- SV * const sv = ST(0);
+ SV * const sv = ST(0);
- SvGETMAGIC(sv);
+ SvGETMAGIC(sv);
- if (!SvOK(sv) || !(SvROK(sv) || (SvPOK(sv) && SvCUR(sv))
- || (SvGMAGICAL(sv) && SvPOKp(sv) && SvCUR(sv))))
- XSRETURN_UNDEF;
+ if (!SvOK(sv) || !(SvROK(sv) || (SvPOK(sv) && SvCUR(sv))))
+ XSRETURN_UNDEF;
- ST(0) = boolSV(sv_derived_from_sv(sv, ST(1), 0));
- XSRETURN(1);
+ ST(0) = boolSV(sv_derived_from_sv(sv, ST(1), 0));
+ XSRETURN(1);
}
}
+XS(XS_UNIVERSAL_import_unimport); /* prototype to pass -Wmissing-prototypes */
+XS(XS_UNIVERSAL_import_unimport)
+{
+ dXSARGS;
+ dXSI32;
+
+ if (items > 1) {
+ char *class_pv= SvPV_nolen(ST(0));
+ if (strEQ(class_pv,"UNIVERSAL"))
+ Perl_croak(aTHX_ "UNIVERSAL does not export anything");
+ /* _charnames is special - ignore it for now as the code that
+ * depends on it has its own "no import" logic that produces better
+ * warnings than this does. */
+ if (strNE(class_pv,"_charnames"))
+ Perl_ck_warner_d(aTHX_
+ packWARN(WARN_DEPRECATED__MISSING_IMPORT_CALLED_WITH_ARGS),
+ "Attempt to call undefined %s method with arguments "
+ "(%" SVf_QUOTEDPREFIX "%s) via package "
+ "%" SVf_QUOTEDPREFIX " (Perhaps you forgot to load the package?)",
+ ix ? "unimport" : "import",
+ SVfARG(ST(1)),
+ (items > 2 ? " ..." : ""),
+ SVfARG(ST(0)));
+ }
+ XSRETURN_EMPTY;
+}
+
+
+XS(XS_UNIVERSAL_can); /* prototype to pass -Wmissing-prototypes */
XS(XS_UNIVERSAL_can)
{
- dVAR;
dXSARGS;
SV *sv;
SV *rv;
HV *pkg = NULL;
+ GV *iogv;
if (items != 2)
- croak_xs_usage(cv, "object-ref, method");
+ croak_xs_usage(cv, "object-ref, method");
sv = ST(0);
SvGETMAGIC(sv);
- if (!SvOK(sv) || !(SvROK(sv) || SvNIOK(sv) || (SvPOK(sv) && SvCUR(sv))
- || (SvGMAGICAL(sv) && (SvNIOKp(sv) || (SvPOKp(sv) && SvCUR(sv))))))
- XSRETURN_UNDEF;
+ /* Reject undef and empty string. Note that the string form takes
+ precedence here over the numeric form, as (!1)->foo treats the
+ invocant as the empty string, though it is a dualvar. */
+ if (!SvOK(sv) || (SvPOK(sv) && !SvCUR(sv)))
+ XSRETURN_UNDEF;
rv = &PL_sv_undef;
sv = MUTABLE_SV(SvRV(sv));
if (SvOBJECT(sv))
pkg = SvSTASH(sv);
+ else if (isGV_with_GP(sv) && GvIO(sv))
+ pkg = SvSTASH(GvIO(sv));
}
+ else if (isGV_with_GP(sv) && GvIO(sv))
+ pkg = SvSTASH(GvIO(sv));
+ else if ((iogv = gv_fetchsv_nomg(sv, 0, SVt_PVIO)) && GvIO(iogv))
+ pkg = SvSTASH(GvIO(iogv));
else {
pkg = gv_stashsv(sv, 0);
+ if (!pkg)
+ pkg = gv_stashpvs("UNIVERSAL", 0);
}
if (pkg) {
- GV * const gv = gv_fetchmethod_sv_flags(pkg, ST(1), 0);
+ GV * const gv = gv_fetchmethod_sv_flags(pkg, ST(1), 0);
if (gv && isGV(gv))
- rv = sv_2mortal(newRV(MUTABLE_SV(GvCV(gv))));
+ rv = sv_2mortal(newRV(MUTABLE_SV(GvCV(gv))));
}
ST(0) = rv;
XSRETURN(1);
}
+XS(XS_UNIVERSAL_DOES); /* prototype to pass -Wmissing-prototypes */
XS(XS_UNIVERSAL_DOES)
{
- dVAR;
dXSARGS;
PERL_UNUSED_ARG(cv);
if (items != 2)
- Perl_croak(aTHX_ "Usage: invocant->DOES(kind)");
+ Perl_croak(aTHX_ "Usage: invocant->DOES(kind)");
else {
- SV * const sv = ST(0);
- if (sv_does_sv( sv, ST(1), 0 ))
- XSRETURN_YES;
-
- XSRETURN_NO;
- }
-}
-
-XS(XS_UNIVERSAL_VERSION)
-{
- dVAR;
- dXSARGS;
- HV *pkg;
- GV **gvp;
- GV *gv;
- SV *sv;
- const char *undef;
- PERL_UNUSED_ARG(cv);
+ SV * const sv = ST(0);
+ if (sv_does_sv( sv, ST(1), 0 ))
+ XSRETURN_YES;
- if (SvROK(ST(0))) {
- sv = MUTABLE_SV(SvRV(ST(0)));
- if (!SvOBJECT(sv))
- Perl_croak(aTHX_ "Cannot find version of an unblessed reference");
- pkg = SvSTASH(sv);
- }
- else {
- pkg = gv_stashsv(ST(0), 0);
- }
-
- gvp = pkg ? (GV**)hv_fetchs(pkg, "VERSION", FALSE) : NULL;
-
- if (gvp && isGV(gv = *gvp) && (sv = GvSV(gv)) && SvOK(sv)) {
- SV * const nsv = sv_newmortal();
- sv_setsv(nsv, sv);
- sv = nsv;
- if ( !sv_isobject(sv) || !sv_derived_from(sv, "version"))
- upg_version(sv, FALSE);
-
- undef = NULL;
- }
- else {
- sv = &PL_sv_undef;
- undef = "(undef)";
- }
-
- if (items > 1) {
- SV *req = ST(1);
-
- if (undef) {
- if (pkg) {
- const HEK * const name = HvNAME_HEK(pkg);
- Perl_croak(aTHX_
- "%"HEKf" does not define $%"HEKf
- "::VERSION--version check failed",
- HEKfARG(name), HEKfARG(name));
- } else {
- Perl_croak(aTHX_
- "%"SVf" defines neither package nor VERSION--version check failed",
- SVfARG(ST(0)) );
- }
- }
-
- if ( !sv_isobject(req) || !sv_derived_from(req, "version")) {
- /* req may very well be R/O, so create a new object */
- req = sv_2mortal( new_version(req) );
- }
-
- if ( vcmp( req, sv ) > 0 ) {
- if ( hv_exists(MUTABLE_HV(SvRV(req)), "qv", 2 ) ) {
- Perl_croak(aTHX_ "%"HEKf" version %"SVf" required--"
- "this is only version %"SVf"",
- HEKfARG(HvNAME_HEK(pkg)),
- SVfARG(sv_2mortal(vnormal(req))),
- SVfARG(sv_2mortal(vnormal(sv))));
- } else {
- Perl_croak(aTHX_ "%"HEKf" version %"SVf" required--"
- "this is only version %"SVf,
- HEKfARG(HvNAME_HEK(pkg)),
- SVfARG(sv_2mortal(vstringify(req))),
- SVfARG(sv_2mortal(vstringify(sv))));
- }
- }
-
- }
-
- if ( SvOK(sv) && sv_derived_from(sv, "version") ) {
- ST(0) = sv_2mortal(vstringify(sv));
- } else {
- ST(0) = sv;
- }
-
- XSRETURN(1);
-}
-
-XS(XS_version_new)
-{
- dVAR;
- dXSARGS;
- if (items > 3)
- croak_xs_usage(cv, "class, version");
- SP -= items;
- {
- SV *vs = ST(1);
- SV *rv;
- STRLEN len;
- const char *classname;
- U32 flags;
- if ( sv_isobject(ST(0)) ) { /* get the class if called as an object method */
- const HV * stash = SvSTASH(SvRV(ST(0)));
- classname = HvNAME(stash);
- len = HvNAMELEN(stash);
- flags = HvNAMEUTF8(stash) ? SVf_UTF8 : 0;
- }
- else {
- classname = SvPV(ST(0), len);
- flags = SvUTF8(ST(0));
- }
-
- if ( items == 1 || ! SvOK(vs) ) { /* no param or explicit undef */
- /* create empty object */
- vs = sv_newmortal();
- sv_setpvs(vs, "0");
- }
- else if ( items == 3 ) {
- vs = sv_newmortal();
- Perl_sv_setpvf(aTHX_ vs,"v%s",SvPV_nolen_const(ST(2)));
- }
-
- rv = new_version(vs);
- if ( strnNE(classname,"version", len) ) /* inherited new() */
- sv_bless(rv, gv_stashpvn(classname, len, GV_ADD | flags));
-
- mPUSHs(rv);
- PUTBACK;
- return;
- }
-}
-
-XS(XS_version_stringify)
-{
- dVAR;
- dXSARGS;
- if (items < 1)
- croak_xs_usage(cv, "lobj, ...");
- SP -= items;
- {
- SV * lobj = ST(0);
-
- if (sv_isobject(lobj) && sv_derived_from(lobj, "version")) {
- lobj = SvRV(lobj);
- }
- else
- Perl_croak(aTHX_ "lobj is not of type version");
-
- mPUSHs(vstringify(lobj));
-
- PUTBACK;
- return;
- }
-}
-
-XS(XS_version_numify)
-{
- dVAR;
- dXSARGS;
- if (items < 1)
- croak_xs_usage(cv, "lobj, ...");
- SP -= items;
- {
- SV * lobj = ST(0);
-
- if (sv_isobject(lobj) && sv_derived_from(lobj, "version")) {
- lobj = SvRV(lobj);
- }
- else
- Perl_croak(aTHX_ "lobj is not of type version");
-
- mPUSHs(vnumify(lobj));
-
- PUTBACK;
- return;
- }
-}
-
-XS(XS_version_normal)
-{
- dVAR;
- dXSARGS;
- if (items < 1)
- croak_xs_usage(cv, "lobj, ...");
- SP -= items;
- {
- SV * lobj = ST(0);
-
- if (sv_isobject(lobj) && sv_derived_from(lobj, "version")) {
- lobj = SvRV(lobj);
- }
- else
- Perl_croak(aTHX_ "lobj is not of type version");
-
- mPUSHs(vnormal(lobj));
-
- PUTBACK;
- return;
- }
-}
-
-XS(XS_version_vcmp)
-{
- dVAR;
- dXSARGS;
- if (items < 1)
- croak_xs_usage(cv, "lobj, ...");
- SP -= items;
- {
- SV * lobj = ST(0);
-
- if (sv_isobject(lobj) && sv_derived_from(lobj, "version")) {
- lobj = SvRV(lobj);
- }
- else
- Perl_croak(aTHX_ "lobj is not of type version");
-
- {
- SV *rs;
- SV *rvs;
- SV * robj = ST(1);
- const IV swap = (IV)SvIV(ST(2));
-
- if ( !sv_isobject(robj) || !sv_derived_from(robj, "version") )
- {
- robj = new_version(SvOK(robj) ? robj : newSVpvs_flags("0", SVs_TEMP));
- sv_2mortal(robj);
- }
- rvs = SvRV(robj);
-
- if ( swap )
- {
- rs = newSViv(vcmp(rvs,lobj));
- }
- else
- {
- rs = newSViv(vcmp(lobj,rvs));
- }
-
- mPUSHs(rs);
- }
-
- PUTBACK;
- return;
- }
-}
-
-XS(XS_version_boolean)
-{
- dVAR;
- dXSARGS;
- if (items < 1)
- croak_xs_usage(cv, "lobj, ...");
- SP -= items;
- if (sv_isobject(ST(0)) && sv_derived_from(ST(0), "version")) {
- SV * const lobj = SvRV(ST(0));
- SV * const rs =
- newSViv( vcmp(lobj,
- sv_2mortal(new_version(
- sv_2mortal(newSVpvs("0"))
- ))
- )
- );
- mPUSHs(rs);
- PUTBACK;
- return;
- }
- else
- Perl_croak(aTHX_ "lobj is not of type version");
-}
-
-XS(XS_version_noop)
-{
- dVAR;
- dXSARGS;
- if (items < 1)
- croak_xs_usage(cv, "lobj, ...");
- if (sv_isobject(ST(0)) && sv_derived_from(ST(0), "version"))
- Perl_croak(aTHX_ "operation not supported with version object");
- else
- Perl_croak(aTHX_ "lobj is not of type version");
-#ifndef HASATTRIBUTE_NORETURN
- XSRETURN_EMPTY;
-#endif
-}
-
-XS(XS_version_is_alpha)
-{
- dVAR;
- dXSARGS;
- if (items != 1)
- croak_xs_usage(cv, "lobj");
- SP -= items;
- if (sv_isobject(ST(0)) && sv_derived_from(ST(0), "version")) {
- SV * const lobj = ST(0);
- if ( hv_exists(MUTABLE_HV(SvRV(lobj)), "alpha", 5 ) )
- XSRETURN_YES;
- else
- XSRETURN_NO;
- PUTBACK;
- return;
- }
- else
- Perl_croak(aTHX_ "lobj is not of type version");
-}
-
-XS(XS_version_qv)
-{
- dVAR;
- dXSARGS;
- PERL_UNUSED_ARG(cv);
- SP -= items;
- {
- SV * ver = ST(0);
- SV * rv;
- STRLEN len = 0;
- const char * classname = "";
- U32 flags = 0;
- if ( items == 2 && SvOK(ST(1)) ) {
- ver = ST(1);
- if ( sv_isobject(ST(0)) ) { /* class called as an object method */
- const HV * stash = SvSTASH(SvRV(ST(0)));
- classname = HvNAME(stash);
- len = HvNAMELEN(stash);
- flags = HvNAMEUTF8(stash) ? SVf_UTF8 : 0;
- }
- else {
- classname = SvPV(ST(0), len);
- flags = SvUTF8(ST(0));
- }
- }
- if ( !SvVOK(ver) ) { /* not already a v-string */
- rv = sv_newmortal();
- sv_setsv(rv,ver); /* make a duplicate */
- upg_version(rv, TRUE);
- } else {
- rv = sv_2mortal(new_version(ver));
- }
- if ( items == 2
- && strnNE(classname,"version", len) ) { /* inherited new() */
- sv_bless(rv, gv_stashpvn(classname, len, GV_ADD | flags));
- }
- PUSHs(rv);
- }
- PUTBACK;
- return;
-}
-
-XS(XS_version_is_qv)
-{
- dVAR;
- dXSARGS;
- if (items != 1)
- croak_xs_usage(cv, "lobj");
- SP -= items;
- if (sv_isobject(ST(0)) && sv_derived_from(ST(0), "version")) {
- SV * const lobj = ST(0);
- if ( hv_exists(MUTABLE_HV(SvRV(lobj)), "qv", 2 ) )
- XSRETURN_YES;
- else
- XSRETURN_NO;
- PUTBACK;
- return;
+ XSRETURN_NO;
}
- else
- Perl_croak(aTHX_ "lobj is not of type version");
}
+XS(XS_utf8_is_utf8); /* prototype to pass -Wmissing-prototypes */
XS(XS_utf8_is_utf8)
{
- dVAR;
dXSARGS;
if (items != 1)
- croak_xs_usage(cv, "sv");
+ croak_xs_usage(cv, "sv");
else {
- SV * const sv = ST(0);
- SvGETMAGIC(sv);
- if (SvUTF8(sv))
- XSRETURN_YES;
- else
- XSRETURN_NO;
+ SV * const sv = ST(0);
+ SvGETMAGIC(sv);
+ if (SvUTF8(sv))
+ XSRETURN_YES;
+ else
+ XSRETURN_NO;
}
XSRETURN_EMPTY;
}
+XS(XS_utf8_valid); /* prototype to pass -Wmissing-prototypes */
XS(XS_utf8_valid)
{
- dVAR;
dXSARGS;
if (items != 1)
- croak_xs_usage(cv, "sv");
+ croak_xs_usage(cv, "sv");
else {
- SV * const sv = ST(0);
- STRLEN len;
- const char * const s = SvPV_const(sv,len);
- if (!SvUTF8(sv) || is_utf8_string((const U8*)s,len))
- XSRETURN_YES;
- else
- XSRETURN_NO;
+ SV * const sv = ST(0);
+ STRLEN len;
+ const char * const s = SvPV_const(sv,len);
+ if (!SvUTF8(sv) || is_utf8_string((const U8*)s,len))
+ XSRETURN_YES;
+ else
+ XSRETURN_NO;
}
XSRETURN_EMPTY;
}
+XS(XS_utf8_encode); /* prototype to pass -Wmissing-prototypes */
XS(XS_utf8_encode)
{
- dVAR;
dXSARGS;
if (items != 1)
- croak_xs_usage(cv, "sv");
+ croak_xs_usage(cv, "sv");
sv_utf8_encode(ST(0));
+ SvSETMAGIC(ST(0));
XSRETURN_EMPTY;
}
+XS(XS_utf8_decode); /* prototype to pass -Wmissing-prototypes */
XS(XS_utf8_decode)
{
- dVAR;
dXSARGS;
if (items != 1)
- croak_xs_usage(cv, "sv");
+ croak_xs_usage(cv, "sv");
else {
- SV * const sv = ST(0);
- bool RETVAL;
- SvPV_force_nolen(sv);
- RETVAL = sv_utf8_decode(sv);
- ST(0) = boolSV(RETVAL);
+ SV * const sv = ST(0);
+ bool RETVAL;
+ SvPV_force_nolen(sv);
+ RETVAL = sv_utf8_decode(sv);
+ SvSETMAGIC(sv);
+ ST(0) = boolSV(RETVAL);
}
XSRETURN(1);
}
+XS(XS_utf8_upgrade); /* prototype to pass -Wmissing-prototypes */
XS(XS_utf8_upgrade)
{
- dVAR;
dXSARGS;
if (items != 1)
- croak_xs_usage(cv, "sv");
+ croak_xs_usage(cv, "sv");
else {
- SV * const sv = ST(0);
- STRLEN RETVAL;
- dXSTARG;
+ SV * const sv = ST(0);
+ STRLEN RETVAL = 0;
+ dXSTARG;
+
+ XSprePUSH;
+ if (UNLIKELY(! sv)) {
+ XSRETURN_UNDEF;
+ }
- RETVAL = sv_utf8_upgrade(sv);
- XSprePUSH; PUSHi((IV)RETVAL);
+ SvGETMAGIC(sv);
+ if (UNLIKELY(! SvOK(sv))) {
+ XSRETURN_UNDEF;
+ }
+
+ RETVAL = sv_utf8_upgrade_nomg(sv);
+ PUSHi( (IV) RETVAL);
}
XSRETURN(1);
}
+XS(XS_utf8_downgrade); /* prototype to pass -Wmissing-prototypes */
XS(XS_utf8_downgrade)
{
- dVAR;
dXSARGS;
if (items < 1 || items > 2)
- croak_xs_usage(cv, "sv, failok=0");
+ croak_xs_usage(cv, "sv, failok=0");
else {
- SV * const sv = ST(0);
- const bool failok = (items < 2) ? 0 : (int)SvIV(ST(1));
- const bool RETVAL = sv_utf8_downgrade(sv, failok);
+ SV * const sv0 = ST(0);
+ SV * const sv1 = ST(1);
+ const bool failok = (items < 2) ? 0 : SvTRUE_NN(sv1) ? 1 : 0;
+ const bool RETVAL = sv_utf8_downgrade(sv0, failok);
- ST(0) = boolSV(RETVAL);
+ ST(0) = boolSV(RETVAL);
}
XSRETURN(1);
}
+XS(XS_utf8_native_to_unicode); /* prototype to pass -Wmissing-prototypes */
XS(XS_utf8_native_to_unicode)
{
- dVAR;
dXSARGS;
const UV uv = SvUV(ST(0));
if (items > 1)
croak_xs_usage(cv, "sv");
- ST(0) = sv_2mortal(newSViv(NATIVE_TO_UNI(uv)));
+ ST(0) = sv_2mortal(newSVuv(NATIVE_TO_UNI(uv)));
XSRETURN(1);
}
+XS(XS_utf8_unicode_to_native); /* prototype to pass -Wmissing-prototypes */
XS(XS_utf8_unicode_to_native)
{
- dVAR;
dXSARGS;
const UV uv = SvUV(ST(0));
if (items > 1)
croak_xs_usage(cv, "sv");
- ST(0) = sv_2mortal(newSViv(UNI_TO_NATIVE(uv)));
+ ST(0) = sv_2mortal(newSVuv(UNI_TO_NATIVE(uv)));
XSRETURN(1);
}
+XS(XS_Internals_SvREADONLY); /* prototype to pass -Wmissing-prototypes */
XS(XS_Internals_SvREADONLY) /* This is dangerous stuff. */
{
- dVAR;
dXSARGS;
SV * const svz = ST(0);
SV * sv;
- PERL_UNUSED_ARG(cv);
/* [perl #77776] - called as &foo() not foo() */
if (!SvROK(svz))
sv = SvRV(svz);
if (items == 1) {
- if (SvREADONLY(sv) && !SvIsCOW(sv))
- XSRETURN_YES;
- else
- XSRETURN_NO;
+ if (SvREADONLY(sv))
+ XSRETURN_YES;
+ else
+ XSRETURN_NO;
}
else if (items == 2) {
- if (SvTRUE(ST(1))) {
- if (SvIsCOW(sv)) sv_force_normal(sv);
- SvREADONLY_on(sv);
- XSRETURN_YES;
- }
- else {
- /* I hope you really know what you are doing. */
- if (!SvIsCOW(sv)) SvREADONLY_off(sv);
- XSRETURN_NO;
- }
+ SV *sv1 = ST(1);
+ if (SvTRUE_NN(sv1)) {
+ SvFLAGS(sv) |= SVf_READONLY;
+ XSRETURN_YES;
+ }
+ else {
+ /* I hope you really know what you are doing. */
+ SvFLAGS(sv) &=~ SVf_READONLY;
+ XSRETURN_NO;
+ }
}
XSRETURN_UNDEF; /* Can't happen. */
}
+XS(XS_constant__make_const); /* prototype to pass -Wmissing-prototypes */
+XS(XS_constant__make_const) /* This is dangerous stuff. */
+{
+ dXSARGS;
+ SV * const svz = ST(0);
+ SV * sv;
+
+ /* [perl #77776] - called as &foo() not foo() */
+ if (!SvROK(svz) || items != 1)
+ croak_xs_usage(cv, "SCALAR");
+
+ sv = SvRV(svz);
+
+ SvREADONLY_on(sv);
+ if (SvTYPE(sv) == SVt_PVAV && AvFILLp(sv) != -1) {
+ /* for constant.pm; nobody else should be calling this
+ on arrays anyway. */
+ SV **svp;
+ for (svp = AvARRAY(sv) + AvFILLp(sv)
+ ; svp >= AvARRAY(sv)
+ ; --svp)
+ if (*svp) SvPADTMP_on(*svp);
+ }
+ XSRETURN(0);
+}
+
+XS(XS_Internals_SvREFCNT); /* prototype to pass -Wmissing-prototypes */
XS(XS_Internals_SvREFCNT) /* This is dangerous stuff. */
{
- dVAR;
dXSARGS;
SV * const svz = ST(0);
SV * sv;
- PERL_UNUSED_ARG(cv);
+ U32 refcnt;
/* [perl #77776] - called as &foo() not foo() */
- if (!SvROK(svz))
+ if ((items != 1 && items != 2) || !SvROK(svz))
croak_xs_usage(cv, "SCALAR[, REFCOUNT]");
sv = SvRV(svz);
- if (items == 1)
- XSRETURN_UV(SvREFCNT(sv) - 1); /* Minus the ref created for us. */
- else if (items == 2) {
/* I hope you really know what you are doing. */
- SvREFCNT(sv) = SvUV(ST(1)) + 1; /* we free one ref on exit */
- XSRETURN_UV(SvREFCNT(sv) - 1);
- }
- XSRETURN_UNDEF; /* Can't happen. */
+ /* idea is for SvREFCNT(sv) to be accessed only once */
+ refcnt = items == 2 ?
+ /* we free one ref on exit */
+ (SvREFCNT(sv) = SvUV(ST(1)) + 1)
+ : SvREFCNT(sv);
+ XSRETURN_UV(refcnt - 1); /* Minus the ref created for us. */
+
}
+XS(XS_Internals_hv_clear_placehold); /* prototype to pass -Wmissing-prototypes */
XS(XS_Internals_hv_clear_placehold)
{
- dVAR;
dXSARGS;
if (items != 1 || !SvROK(ST(0)))
- croak_xs_usage(cv, "hv");
+ croak_xs_usage(cv, "hv");
else {
- HV * const hv = MUTABLE_HV(SvRV(ST(0)));
- hv_clear_placeholders(hv);
- XSRETURN(0);
+ HV * const hv = MUTABLE_HV(SvRV(ST(0)));
+ hv_clear_placeholders(hv);
+ XSRETURN(0);
}
}
+XS(XS_Internals_stack_refcounted); /* prototype to pass -Wmissing-prototypes */
+XS(XS_Internals_stack_refcounted)
+{
+ dXSARGS;
+ UV val = 0;
+
+ if (items != 0)
+ croak_xs_usage(cv, "");
+#ifdef PERL_RC_STACK
+ val |= 1;
+#endif
+ XSRETURN_UV(val);
+}
+
+XS(XS_PerlIO_get_layers); /* prototype to pass -Wmissing-prototypes */
XS(XS_PerlIO_get_layers)
{
- dVAR;
dXSARGS;
if (items < 1 || items % 2 == 0)
- croak_xs_usage(cv, "filehandle[,args]");
-#ifdef USE_PERLIO
+ croak_xs_usage(cv, "filehandle[,args]");
+#if defined(USE_PERLIO)
{
- SV * sv;
- GV * gv;
- IO * io;
- bool input = TRUE;
- bool details = FALSE;
-
- if (items > 1) {
- SV * const *svp;
- for (svp = MARK + 2; svp <= SP; svp += 2) {
- SV * const * const varp = svp;
- SV * const * const valp = svp + 1;
- STRLEN klen;
- const char * const key = SvPV_const(*varp, klen);
-
- switch (*key) {
- case 'i':
- if (klen == 5 && memEQ(key, "input", 5)) {
- input = SvTRUE(*valp);
- break;
- }
- goto fail;
- case 'o':
- if (klen == 6 && memEQ(key, "output", 6)) {
- input = !SvTRUE(*valp);
- break;
- }
- goto fail;
- case 'd':
- if (klen == 7 && memEQ(key, "details", 7)) {
- details = SvTRUE(*valp);
- break;
- }
- goto fail;
- default:
- fail:
- Perl_croak(aTHX_
- "get_layers: unknown argument '%s'",
- key);
- }
- }
-
- SP -= (items - 1);
- }
-
- sv = POPs;
- gv = MAYBE_DEREF_GV(sv);
-
- if (!gv && !SvROK(sv))
- gv = gv_fetchsv_nomg(sv, 0, SVt_PVIO);
-
- if (gv && (io = GvIO(gv))) {
- AV* const av = PerlIO_get_layers(aTHX_ input ?
- IoIFP(io) : IoOFP(io));
- I32 i;
- const I32 last = av_len(av);
- I32 nitem = 0;
-
- for (i = last; i >= 0; i -= 3) {
- SV * const * const namsvp = av_fetch(av, i - 2, FALSE);
- SV * const * const argsvp = av_fetch(av, i - 1, FALSE);
- SV * const * const flgsvp = av_fetch(av, i, FALSE);
-
- const bool namok = namsvp && *namsvp && SvPOK(*namsvp);
- const bool argok = argsvp && *argsvp && SvPOK(*argsvp);
- const bool flgok = flgsvp && *flgsvp && SvIOK(*flgsvp);
-
- if (details) {
- /* Indents of 5? Yuck. */
- /* We know that PerlIO_get_layers creates a new SV for
- the name and flags, so we can just take a reference
- and "steal" it when we free the AV below. */
- XPUSHs(namok
- ? sv_2mortal(SvREFCNT_inc_simple_NN(*namsvp))
- : &PL_sv_undef);
- XPUSHs(argok
- ? newSVpvn_flags(SvPVX_const(*argsvp),
- SvCUR(*argsvp),
- (SvUTF8(*argsvp) ? SVf_UTF8 : 0)
- | SVs_TEMP)
- : &PL_sv_undef);
- XPUSHs(flgok
- ? sv_2mortal(SvREFCNT_inc_simple_NN(*flgsvp))
- : &PL_sv_undef);
- nitem += 3;
- }
- else {
- if (namok && argok)
- XPUSHs(sv_2mortal(Perl_newSVpvf(aTHX_ "%"SVf"(%"SVf")",
- SVfARG(*namsvp),
- SVfARG(*argsvp))));
- else if (namok)
- XPUSHs(sv_2mortal(SvREFCNT_inc_simple_NN(*namsvp)));
- else
- XPUSHs(&PL_sv_undef);
- nitem++;
- if (flgok) {
- const IV flags = SvIVX(*flgsvp);
-
- if (flags & PERLIO_F_UTF8) {
- XPUSHs(newSVpvs_flags("utf8", SVs_TEMP));
- nitem++;
- }
- }
- }
- }
-
- SvREFCNT_dec(av);
-
- XSRETURN(nitem);
- }
+ SV * sv;
+ GV * gv;
+ IO * io = NULL;
+ bool input = TRUE;
+ bool details = FALSE;
+
+ if (items > 1) {
+ SV * const *svp;
+ for (svp = MARK + 2; svp <= SP; svp += 2) {
+ SV * const * const varp = svp;
+ SV * const * const valp = svp + 1;
+ STRLEN klen;
+ const char * const key = SvPV_const(*varp, klen);
+
+ switch (*key) {
+ case 'i':
+ if (memEQs(key, klen, "input")) {
+ input = SvTRUE(*valp);
+ break;
+ }
+ goto fail;
+ case 'o':
+ if (memEQs(key, klen, "output")) {
+ input = !SvTRUE(*valp);
+ break;
+ }
+ goto fail;
+ case 'd':
+ if (memEQs(key, klen, "details")) {
+ details = SvTRUE(*valp);
+ break;
+ }
+ goto fail;
+ default:
+ fail:
+ Perl_croak(aTHX_
+ "get_layers: unknown argument '%s'",
+ key);
+ }
+ }
+
+ SP -= (items - 1);
+ }
+
+ sv = POPs;
+
+ /* MAYBE_DEREF_GV will call get magic */
+ if ((gv = MAYBE_DEREF_GV(sv)))
+ io = GvIO(gv);
+ else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVIO)
+ io = (IO*)SvRV(sv);
+ else if (!SvROK(sv) && (gv = gv_fetchsv_nomg(sv, 0, SVt_PVIO)))
+ io = GvIO(gv);
+
+ if (io) {
+ AV* const av = PerlIO_get_layers(aTHX_ input ?
+ IoIFP(io) : IoOFP(io));
+ SSize_t i;
+ const SSize_t last = av_top_index(av);
+ SSize_t nitem = 0;
+
+ for (i = last; i >= 0; i -= 3) {
+ SV * const * const namsvp = av_fetch(av, i - 2, FALSE);
+ SV * const * const argsvp = av_fetch(av, i - 1, FALSE);
+ SV * const * const flgsvp = av_fetch(av, i, FALSE);
+
+ const bool namok = namsvp && *namsvp && SvPOK(*namsvp);
+ const bool argok = argsvp && *argsvp && SvPOK(*argsvp);
+ const bool flgok = flgsvp && *flgsvp && SvIOK(*flgsvp);
+
+ EXTEND(SP, 3); /* Three is the max in all branches: better check just once */
+ if (details) {
+ /* Indents of 5? Yuck. */
+ /* We know that PerlIO_get_layers creates a new SV for
+ the name and flags, so we can just take a reference
+ and "steal" it when we free the AV below. */
+ PUSHs(namok
+ ? sv_2mortal(SvREFCNT_inc_simple_NN(*namsvp))
+ : &PL_sv_undef);
+ PUSHs(argok
+ ? newSVpvn_flags(SvPVX_const(*argsvp),
+ SvCUR(*argsvp),
+ (SvUTF8(*argsvp) ? SVf_UTF8 : 0)
+ | SVs_TEMP)
+ : &PL_sv_undef);
+ PUSHs(flgok
+ ? sv_2mortal(SvREFCNT_inc_simple_NN(*flgsvp))
+ : &PL_sv_undef);
+ nitem += 3;
+ }
+ else {
+ if (namok && argok)
+ PUSHs(sv_2mortal(Perl_newSVpvf(aTHX_ "%" SVf "(%" SVf ")",
+ SVfARG(*namsvp),
+ SVfARG(*argsvp))));
+ else if (namok)
+ PUSHs(sv_2mortal(SvREFCNT_inc_simple_NN(*namsvp)));
+ else
+ PUSHs(&PL_sv_undef);
+ nitem++;
+ if (flgok) {
+ const IV flags = SvIVX(*flgsvp);
+
+ if (flags & PERLIO_F_UTF8) {
+ PUSHs(newSVpvs_flags("utf8", SVs_TEMP));
+ nitem++;
+ }
+ }
+ }
+ }
+
+ SvREFCNT_dec(av);
+
+ XSRETURN(nitem);
+ }
}
#endif
XSRETURN(0);
}
-XS(XS_Internals_hash_seed)
-{
- dVAR;
- /* Using dXSARGS would also have dITEM and dSP,
- * which define 2 unused local variables. */
- dAXMARK;
- PERL_UNUSED_ARG(cv);
- PERL_UNUSED_VAR(mark);
- XSRETURN_UV(PERL_HASH_SEED);
-}
-
-XS(XS_Internals_rehash_seed)
-{
- dVAR;
- /* Using dXSARGS would also have dITEM and dSP,
- * which define 2 unused local variables. */
- dAXMARK;
- PERL_UNUSED_ARG(cv);
- PERL_UNUSED_VAR(mark);
- XSRETURN_UV(PL_rehash_seed);
-}
-
-XS(XS_Internals_HvREHASH) /* Subject to change */
-{
- dVAR;
- dXSARGS;
- PERL_UNUSED_ARG(cv);
- if (SvROK(ST(0))) {
- const HV * const hv = (const HV *) SvRV(ST(0));
- if (items == 1 && SvTYPE(hv) == SVt_PVHV) {
- if (HvREHASH(hv))
- XSRETURN_YES;
- else
- XSRETURN_NO;
- }
- }
- Perl_croak(aTHX_ "Internals::HvREHASH $hashref");
-}
-
+XS(XS_re_is_regexp); /* prototype to pass -Wmissing-prototypes */
XS(XS_re_is_regexp)
{
- dVAR;
dXSARGS;
- PERL_UNUSED_VAR(cv);
if (items != 1)
- croak_xs_usage(cv, "sv");
+ croak_xs_usage(cv, "sv");
if (SvRXOK(ST(0))) {
XSRETURN_YES;
}
}
+XS(XS_re_regnames_count); /* prototype to pass -Wmissing-prototypes */
XS(XS_re_regnames_count)
{
REGEXP *rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL;
SV * ret;
- dVAR;
dXSARGS;
if (items != 0)
- croak_xs_usage(cv, "");
-
- SP -= items;
- PUTBACK;
+ croak_xs_usage(cv, "");
if (!rx)
XSRETURN_UNDEF;
XSRETURN(1);
}
+XS(XS_re_regname); /* prototype to pass -Wmissing-prototypes */
XS(XS_re_regname)
{
- dVAR;
dXSARGS;
REGEXP * rx;
U32 flags;
SV * ret;
if (items < 1 || items > 2)
- croak_xs_usage(cv, "name[, all ]");
+ croak_xs_usage(cv, "name[, all ]");
SP -= items;
PUTBACK;
if (!rx)
XSRETURN_UNDEF;
- if (items == 2 && SvTRUE(ST(1))) {
+ if (items == 2 && SvTRUE_NN(ST(1))) {
flags = RXapif_ALL;
} else {
flags = RXapif_ONE;
}
+XS(XS_re_regnames); /* prototype to pass -Wmissing-prototypes */
XS(XS_re_regnames)
{
- dVAR;
dXSARGS;
REGEXP * rx;
U32 flags;
SV *ret;
AV *av;
- I32 length;
- I32 i;
+ SSize_t length;
+ SSize_t i;
SV **entry;
if (items > 1)
- croak_xs_usage(cv, "[all]");
+ croak_xs_usage(cv, "[all]");
rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL;
if (!rx)
XSRETURN_UNDEF;
- if (items == 1 && SvTRUE(ST(0))) {
+ if (items == 1 && SvTRUE_NN(ST(0))) {
flags = RXapif_ALL;
} else {
flags = RXapif_ONE;
XSRETURN_UNDEF;
av = MUTABLE_AV(SvRV(ret));
- length = av_len(av);
+ length = av_count(av);
- for (i = 0; i <= length; i++) {
+ EXTEND(SP, length); /* better extend stack just once */
+ for (i = 0; i < length; i++) {
entry = av_fetch(av, i, FALSE);
if (!entry)
+ /* diag_listed_as: SKIPME */
Perl_croak(aTHX_ "NULL array element in re::regnames()");
- mXPUSHs(SvREFCNT_inc_simple_NN(*entry));
+ mPUSHs(SvREFCNT_inc_simple_NN(*entry));
}
SvREFCNT_dec(ret);
return;
}
+XS(XS_re_regexp_pattern); /* prototype to pass -Wmissing-prototypes */
XS(XS_re_regexp_pattern)
{
- dVAR;
dXSARGS;
REGEXP *re;
+ U8 const gimme = GIMME_V;
- if (items != 1)
- croak_xs_usage(cv, "sv");
-
+ EXTEND(SP, 2);
SP -= items;
+ if (items != 1)
+ croak_xs_usage(cv, "sv");
/*
Checks if a reference is a regex or not. If the parameter is
/* Houston, we have a regex! */
SV *pattern;
- if ( GIMME_V == G_ARRAY ) {
- STRLEN left = 0;
- char reflags[sizeof(INT_PAT_MODS) + MAX_CHARSET_NAME_LENGTH];
+ if ( gimme == G_LIST ) {
+ STRLEN left = 0;
+ char reflags[sizeof(INT_PAT_MODS) + MAX_CHARSET_NAME_LENGTH];
const char *fptr;
char ch;
U16 match_flags;
modifiers" in this scenario, and the default character set
*/
- if (get_regex_charset(RX_EXTFLAGS(re)) != REGEX_DEPENDS_CHARSET) {
- STRLEN len;
- const char* const name = get_regex_charset_name(RX_EXTFLAGS(re),
- &len);
- Copy(name, reflags + left, len, char);
- left += len;
- }
+ if (get_regex_charset(RX_EXTFLAGS(re)) != REGEX_DEPENDS_CHARSET) {
+ STRLEN len;
+ const char* const name = get_regex_charset_name(RX_EXTFLAGS(re),
+ &len);
+ Copy(name, reflags + left, len, char);
+ left += len;
+ }
fptr = INT_PAT_MODS;
match_flags = (U16)((RX_EXTFLAGS(re) & RXf_PMf_COMPILETIME)
>> RXf_PMf_STD_PMMOD_SHIFT);
}
pattern = newSVpvn_flags(RX_PRECOMP(re),RX_PRELEN(re),
- (RX_UTF8(re) ? SVf_UTF8 : 0) | SVs_TEMP);
+ (RX_UTF8(re) ? SVf_UTF8 : 0) | SVs_TEMP);
/* return the pattern and the modifiers */
- XPUSHs(pattern);
- XPUSHs(newSVpvn_flags(reflags, left, SVs_TEMP));
+ PUSHs(pattern);
+ PUSHs(newSVpvn_flags(reflags, left, SVs_TEMP));
XSRETURN(2);
} else {
/* Scalar, so use the string that Perl would return */
- /* return the pattern in (?msix:..) format */
-#if PERL_VERSION >= 11
+ /* return the pattern in (?msixn:..) format */
pattern = sv_2mortal(newSVsv(MUTABLE_SV(re)));
-#else
- pattern = newSVpvn_flags(RX_WRAPPED(re), RX_WRAPLEN(re),
- (RX_UTF8(re) ? SVf_UTF8 : 0) | SVs_TEMP);
-#endif
- XPUSHs(pattern);
+ PUSHs(pattern);
XSRETURN(1);
}
} else {
/* It ain't a regexp folks */
- if ( GIMME_V == G_ARRAY ) {
+ if ( gimme == G_LIST ) {
/* return the empty list */
- XSRETURN_UNDEF;
+ XSRETURN_EMPTY;
} else {
/* Because of the (?:..) wrapping involved in a
stringified pattern it is impossible to get a
XSRETURN_NO;
}
}
- /* NOT-REACHED */
+ NOT_REACHED; /* NOTREACHED */
+}
+
+#if defined(HAS_GETCWD) && defined(PERL_IS_MINIPERL)
+
+XS(XS_Internals_getcwd)
+{
+ dXSARGS;
+ SV *sv = sv_newmortal();
+
+ if (items != 0)
+ croak_xs_usage(cv, "");
+
+ (void)getcwd_sv(sv);
+
+ SvTAINTED_on(sv);
+ PUSHs(sv);
+ XSRETURN(1);
+}
+
+#endif
+
+XS(XS_NamedCapture_tie_it)
+{
+ dXSARGS;
+
+ if (items != 1)
+ croak_xs_usage(cv, "sv");
+ {
+ SV *sv = ST(0);
+ GV * const gv = (GV *)sv;
+ HV * const hv = GvHVn(gv);
+ SV *rv = newSV_type(SVt_IV);
+ const char *gv_name = GvNAME(gv);
+
+ sv_setrv_noinc(rv, newSVuv(
+ strEQ(gv_name, "-") || strEQ(gv_name, "\003APTURE_ALL")
+ ? RXapif_ALL : RXapif_ONE));
+ sv_bless(rv, GvSTASH(CvGV(cv)));
+
+ sv_unmagic((SV *)hv, PERL_MAGIC_tied);
+ sv_magic((SV *)hv, rv, PERL_MAGIC_tied, NULL, 0);
+ SvREFCNT_dec(rv); /* As sv_magic increased it by one. */
+ }
+ XSRETURN_EMPTY;
+}
+
+XS(XS_NamedCapture_TIEHASH)
+{
+ dXSARGS;
+ if (items < 1)
+ croak_xs_usage(cv, "package, ...");
+ {
+ const char * package = (const char *)SvPV_nolen(ST(0));
+ UV flag = RXapif_ONE;
+ mark += 2;
+ while(mark < sp) {
+ STRLEN len;
+ const char *p = SvPV_const(*mark, len);
+ if(memEQs(p, len, "all"))
+ flag = SvTRUE(mark[1]) ? RXapif_ALL : RXapif_ONE;
+ mark += 2;
+ }
+ ST(0) = newSV_type_mortal(SVt_IV);
+ sv_setuv(newSVrv(ST(0), package), flag);
+ }
+ XSRETURN(1);
}
+/* These are tightly coupled to the RXapif_* flags defined in regexp.h */
+#define UNDEF_FATAL 0x80000
+#define DISCARD 0x40000
+#define EXPECT_SHIFT 24
+#define ACTION_MASK 0x000FF
+
+#define FETCH_ALIAS (RXapif_FETCH | (2 << EXPECT_SHIFT))
+#define STORE_ALIAS (RXapif_STORE | (3 << EXPECT_SHIFT) | UNDEF_FATAL | DISCARD)
+#define DELETE_ALIAS (RXapif_DELETE | (2 << EXPECT_SHIFT) | UNDEF_FATAL)
+#define CLEAR_ALIAS (RXapif_CLEAR | (1 << EXPECT_SHIFT) | UNDEF_FATAL | DISCARD)
+#define EXISTS_ALIAS (RXapif_EXISTS | (2 << EXPECT_SHIFT))
+#define SCALAR_ALIAS (RXapif_SCALAR | (1 << EXPECT_SHIFT))
+
+XS(XS_NamedCapture_FETCH)
+{
+ dXSARGS;
+ dXSI32;
+ PERL_UNUSED_VAR(cv); /* -W */
+ PERL_UNUSED_VAR(ax); /* -Wall */
+ SP -= items;
+ {
+ REGEXP *const rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL;
+ U32 flags;
+ SV *ret;
+ const U32 action = ix & ACTION_MASK;
+ const int expect = ix >> EXPECT_SHIFT;
+ if (items != expect)
+ croak_xs_usage(cv, expect == 2 ? "$key"
+ : (expect == 3 ? "$key, $value"
+ : ""));
+
+ if (!rx || !SvROK(ST(0))) {
+ if (ix & UNDEF_FATAL)
+ Perl_croak_no_modify();
+ else
+ XSRETURN_UNDEF;
+ }
+
+ flags = (U32)SvUV(SvRV(MUTABLE_SV(ST(0))));
+
+ PUTBACK;
+ ret = RX_ENGINE(rx)->named_buff(aTHX_ (rx), expect >= 2 ? ST(1) : NULL,
+ expect >= 3 ? ST(2) : NULL, flags | action);
+ SPAGAIN;
+
+ if (ix & DISCARD) {
+ /* Called with G_DISCARD, so our return stack state is thrown away.
+ Hence if we were returned anything, free it immediately. */
+ SvREFCNT_dec(ret);
+ } else {
+ PUSHs(ret ? sv_2mortal(ret) : &PL_sv_undef);
+ }
+ PUTBACK;
+ return;
+ }
+}
+
+
+XS(XS_NamedCapture_FIRSTKEY)
+{
+ dXSARGS;
+ dXSI32;
+ PERL_UNUSED_VAR(cv); /* -W */
+ PERL_UNUSED_VAR(ax); /* -Wall */
+ SP -= items;
+ {
+ REGEXP *const rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL;
+ U32 flags;
+ SV *ret;
+ const int expect = ix ? 2 : 1;
+ const U32 action = ix ? RXapif_NEXTKEY : RXapif_FIRSTKEY;
+ if (items != expect)
+ croak_xs_usage(cv, expect == 2 ? "$lastkey" : "");
+
+ if (!rx || !SvROK(ST(0)))
+ XSRETURN_UNDEF;
+
+ flags = (U32)SvUV(SvRV(MUTABLE_SV(ST(0))));
+
+ PUTBACK;
+ ret = RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx),
+ expect >= 2 ? ST(1) : NULL,
+ flags | action);
+ SPAGAIN;
+
+ PUSHs(ret ? sv_2mortal(ret) : &PL_sv_undef);
+ PUTBACK;
+ return;
+ }
+}
+
+/* is this still needed? */
+XS(XS_NamedCapture_flags)
+{
+ dXSARGS;
+ PERL_UNUSED_VAR(cv); /* -W */
+ PERL_UNUSED_VAR(ax); /* -Wall */
+ SP -= items;
+ {
+ EXTEND(SP, 2);
+ mPUSHu(RXapif_ONE);
+ mPUSHu(RXapif_ALL);
+ PUTBACK;
+ return;
+ }
+}
+
+#include "vutil.h"
+#include "vxs.inc"
+
struct xsub_details {
const char *name;
XSUBADDR_t xsub;
const char *proto;
+ int ix;
};
-struct xsub_details details[] = {
- {"UNIVERSAL::isa", XS_UNIVERSAL_isa, NULL},
- {"UNIVERSAL::can", XS_UNIVERSAL_can, NULL},
- {"UNIVERSAL::DOES", XS_UNIVERSAL_DOES, NULL},
- {"UNIVERSAL::VERSION", XS_UNIVERSAL_VERSION, NULL},
- {"version::()", XS_version_noop, NULL},
- {"version::new", XS_version_new, NULL},
- {"version::parse", XS_version_new, NULL},
- {"version::(\"\"", XS_version_stringify, NULL},
- {"version::stringify", XS_version_stringify, NULL},
- {"version::(0+", XS_version_numify, NULL},
- {"version::numify", XS_version_numify, NULL},
- {"version::normal", XS_version_normal, NULL},
- {"version::(cmp", XS_version_vcmp, NULL},
- {"version::(<=>", XS_version_vcmp, NULL},
- {"version::vcmp", XS_version_vcmp, NULL},
- {"version::(bool", XS_version_boolean, NULL},
- {"version::boolean", XS_version_boolean, NULL},
- {"version::(+", XS_version_noop, NULL},
- {"version::(-", XS_version_noop, NULL},
- {"version::(*", XS_version_noop, NULL},
- {"version::(/", XS_version_noop, NULL},
- {"version::(+=", XS_version_noop, NULL},
- {"version::(-=", XS_version_noop, NULL},
- {"version::(*=", XS_version_noop, NULL},
- {"version::(/=", XS_version_noop, NULL},
- {"version::(abs", XS_version_noop, NULL},
- {"version::(nomethod", XS_version_noop, NULL},
- {"version::noop", XS_version_noop, NULL},
- {"version::is_alpha", XS_version_is_alpha, NULL},
- {"version::qv", XS_version_qv, NULL},
- {"version::declare", XS_version_qv, NULL},
- {"version::is_qv", XS_version_is_qv, NULL},
- {"utf8::is_utf8", XS_utf8_is_utf8, NULL},
- {"utf8::valid", XS_utf8_valid, NULL},
- {"utf8::encode", XS_utf8_encode, NULL},
- {"utf8::decode", XS_utf8_decode, NULL},
- {"utf8::upgrade", XS_utf8_upgrade, NULL},
- {"utf8::downgrade", XS_utf8_downgrade, NULL},
- {"utf8::native_to_unicode", XS_utf8_native_to_unicode, NULL},
- {"utf8::unicode_to_native", XS_utf8_unicode_to_native, NULL},
- {"Internals::SvREADONLY", XS_Internals_SvREADONLY, "\\[$%@];$"},
- {"Internals::SvREFCNT", XS_Internals_SvREFCNT, "\\[$%@];$"},
- {"Internals::hv_clear_placeholders", XS_Internals_hv_clear_placehold, "\\%"},
- {"PerlIO::get_layers", XS_PerlIO_get_layers, "*;@"},
- {"Internals::hash_seed", XS_Internals_hash_seed, ""},
- {"Internals::rehash_seed", XS_Internals_rehash_seed, ""},
- {"Internals::HvREHASH", XS_Internals_HvREHASH, "\\%"},
- {"re::is_regexp", XS_re_is_regexp, "$"},
- {"re::regname", XS_re_regname, ";$$"},
- {"re::regnames", XS_re_regnames, ";$"},
- {"re::regnames_count", XS_re_regnames_count, ""},
- {"re::regexp_pattern", XS_re_regexp_pattern, "$"},
+static const struct xsub_details these_details[] = {
+ {"UNIVERSAL::isa", XS_UNIVERSAL_isa, NULL, 0 },
+ {"UNIVERSAL::can", XS_UNIVERSAL_can, NULL, 0 },
+ {"UNIVERSAL::DOES", XS_UNIVERSAL_DOES, NULL, 0 },
+ {"UNIVERSAL::import", XS_UNIVERSAL_import_unimport, NULL, 0},
+ {"UNIVERSAL::unimport", XS_UNIVERSAL_import_unimport, NULL, 1},
+#define VXS_XSUB_DETAILS
+#include "vxs.inc"
+#undef VXS_XSUB_DETAILS
+ {"utf8::is_utf8", XS_utf8_is_utf8, NULL, 0 },
+ {"utf8::valid", XS_utf8_valid, NULL, 0 },
+ {"utf8::encode", XS_utf8_encode, NULL, 0 },
+ {"utf8::decode", XS_utf8_decode, NULL, 0 },
+ {"utf8::upgrade", XS_utf8_upgrade, NULL, 0 },
+ {"utf8::downgrade", XS_utf8_downgrade, NULL, 0 },
+ {"utf8::native_to_unicode", XS_utf8_native_to_unicode, NULL, 0 },
+ {"utf8::unicode_to_native", XS_utf8_unicode_to_native, NULL, 0 },
+ {"Internals::SvREADONLY", XS_Internals_SvREADONLY, "\\[$%@];$", 0 },
+ {"Internals::SvREFCNT", XS_Internals_SvREFCNT, "\\[$%@];$", 0 },
+ {"Internals::hv_clear_placeholders", XS_Internals_hv_clear_placehold, "\\%", 0 },
+ {"Internals::stack_refcounted", XS_Internals_stack_refcounted, NULL, 0 },
+ {"constant::_make_const", XS_constant__make_const, "\\[$@]", 0 },
+ {"PerlIO::get_layers", XS_PerlIO_get_layers, "*;@", 0 },
+ {"re::is_regexp", XS_re_is_regexp, "$", 0 },
+ {"re::regname", XS_re_regname, ";$$", 0 },
+ {"re::regnames", XS_re_regnames, ";$", 0 },
+ {"re::regnames_count", XS_re_regnames_count, "", 0 },
+ {"re::regexp_pattern", XS_re_regexp_pattern, "$", 0 },
+#if defined(HAS_GETCWD) && defined(PERL_IS_MINIPERL)
+ {"Internals::getcwd", XS_Internals_getcwd, "", 0 },
+#endif
+ {"Tie::Hash::NamedCapture::_tie_it", XS_NamedCapture_tie_it, NULL, 0 },
+ {"Tie::Hash::NamedCapture::TIEHASH", XS_NamedCapture_TIEHASH, NULL, 0 },
+ {"Tie::Hash::NamedCapture::FETCH", XS_NamedCapture_FETCH, NULL, FETCH_ALIAS },
+ {"Tie::Hash::NamedCapture::STORE", XS_NamedCapture_FETCH, NULL, STORE_ALIAS },
+ {"Tie::Hash::NamedCapture::DELETE", XS_NamedCapture_FETCH, NULL, DELETE_ALIAS },
+ {"Tie::Hash::NamedCapture::CLEAR", XS_NamedCapture_FETCH, NULL, CLEAR_ALIAS },
+ {"Tie::Hash::NamedCapture::EXISTS", XS_NamedCapture_FETCH, NULL, EXISTS_ALIAS },
+ {"Tie::Hash::NamedCapture::SCALAR", XS_NamedCapture_FETCH, NULL, SCALAR_ALIAS },
+ {"Tie::Hash::NamedCapture::FIRSTKEY", XS_NamedCapture_FIRSTKEY, NULL, 0 },
+ {"Tie::Hash::NamedCapture::NEXTKEY", XS_NamedCapture_FIRSTKEY, NULL, 1 },
+ {"Tie::Hash::NamedCapture::flags", XS_NamedCapture_flags, NULL, 0 },
};
+STATIC OP*
+optimize_out_native_convert_function(pTHX_ OP* entersubop,
+ GV* namegv,
+ SV* protosv)
+{
+ /* Optimizes out an identity function, i.e., one that just returns its
+ * argument. The passed in function is assumed to be an identity function,
+ * with no checking. This is designed to be called for utf8_to_native()
+ * and native_to_utf8() on ASCII platforms, as they just return their
+ * arguments, but it could work on any such function.
+ *
+ * The code is mostly just cargo-culted from Memoize::Lift */
+
+ OP *pushop, *argop;
+ OP *parent;
+ SV* prototype = newSVpvs("$");
+
+ PERL_UNUSED_ARG(protosv);
+
+ assert(entersubop->op_type == OP_ENTERSUB);
+
+ entersubop = ck_entersub_args_proto(entersubop, namegv, prototype);
+ parent = entersubop;
+
+ SvREFCNT_dec(prototype);
+
+ pushop = cUNOPx(entersubop)->op_first;
+ if (! OpHAS_SIBLING(pushop)) {
+ parent = pushop;
+ pushop = cUNOPx(pushop)->op_first;
+ }
+ argop = OpSIBLING(pushop);
+
+ /* Carry on without doing the optimization if it is not something we're
+ * expecting, so continues to work */
+ if ( ! argop
+ || ! OpHAS_SIBLING(argop)
+ || OpHAS_SIBLING(OpSIBLING(argop))
+ ) {
+ return entersubop;
+ }
+
+ /* cut argop from the subtree */
+ (void)op_sibling_splice(parent, pushop, 1, NULL);
+
+ op_free(entersubop);
+ return argop;
+}
+
void
Perl_boot_core_UNIVERSAL(pTHX)
{
- dVAR;
static const char file[] = __FILE__;
- struct xsub_details *xsub = details;
- const struct xsub_details *end
- = details + sizeof(details) / sizeof(details[0]);
+ const struct xsub_details *xsub = these_details;
+ const struct xsub_details *end = C_ARRAY_END(these_details);
do {
- newXS_flags(xsub->name, xsub->xsub, file, xsub->proto, 0);
+ CV *cv = newXS_flags(xsub->name, xsub->xsub, file, xsub->proto, 0);
+ XSANY.any_i32 = xsub->ix;
} while (++xsub < end);
+#ifndef EBCDIC
+ { /* On ASCII platforms these functions just return their argument, so can
+ be optimized away */
+
+ CV* to_native_cv = get_cv("utf8::unicode_to_native", 0);
+ CV* to_unicode_cv = get_cv("utf8::native_to_unicode", 0);
+
+ cv_set_call_checker_flags(to_native_cv,
+ optimize_out_native_convert_function,
+ (SV*) to_native_cv, 0);
+ cv_set_call_checker_flags(to_unicode_cv,
+ optimize_out_native_convert_function,
+ (SV*) to_unicode_cv, 0);
+ }
+#endif
+
/* Providing a Regexp::DESTROY fixes #21347. See test in t/op/ref.t */
{
- CV * const cv =
- newCONSTSUB(get_hv("Regexp::", GV_ADD), "DESTROY", NULL);
- Safefree(CvFILE(cv));
- CvFILE(cv) = (char *)file;
- CvDYNFILE_off(cv);
+ CV * const cv =
+ newCONSTSUB(get_hv("Regexp::", GV_ADD), "DESTROY", NULL);
+ char ** cvfile = &CvFILE(cv);
+ char * oldfile = *cvfile;
+ CvDYNFILE_off(cv);
+ *cvfile = (char *)file;
+ Safefree(oldfile);
}
}
/*
- * Local variables:
- * c-indentation-style: bsd
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- *
* ex: set ts=8 sts=4 sw=4 et:
*/
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