+/* xsutils.c
+ *
+ * Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
+ * by Larry Wall and others
+ *
+ * You may distribute under the terms of either the GNU General Public
+ * License or the Artistic License, as specified in the README file.
+ *
+ */
+
+/*
+ * "Perilous to us all are the devices of an art deeper than we possess
+ * ourselves." --Gandalf
+ */
+
+
#include "EXTERN.h"
#define PERL_IN_XSUTILS_C
#include "perl.h"
*/
/* package attributes; */
-void XS_attributes__warn_reserved(pTHXo_ CV *cv);
-void XS_attributes_reftype(pTHXo_ CV *cv);
-void XS_attributes__modify_attrs(pTHXo_ CV *cv);
-void XS_attributes__guess_stash(pTHXo_ CV *cv);
-void XS_attributes__fetch_attrs(pTHXo_ CV *cv);
-void XS_attributes_bootstrap(pTHXo_ CV *cv);
+PERL_XS_EXPORT_C void XS_attributes_reftype(pTHX_ CV *cv);
+PERL_XS_EXPORT_C void XS_attributes__modify_attrs(pTHX_ CV *cv);
+PERL_XS_EXPORT_C void XS_attributes__guess_stash(pTHX_ CV *cv);
+PERL_XS_EXPORT_C void XS_attributes__fetch_attrs(pTHX_ CV *cv);
+PERL_XS_EXPORT_C void XS_attributes_bootstrap(pTHX_ CV *cv);
/*
* version checks in these bootstrap calls are optional.
*/
+static const char file[] = __FILE__;
+
void
Perl_boot_core_xsutils(pTHX)
{
- char *file = __FILE__;
-
newXS("attributes::bootstrap", XS_attributes_bootstrap, file);
}
#include "XSUB.h"
static int
-modify_SV_attributes(pTHXo_ SV *sv, SV **retlist, SV **attrlist, int numattrs)
+modify_SV_attributes(pTHX_ SV *sv, SV **retlist, SV **attrlist, int numattrs)
{
+ dVAR;
SV *attr;
- char *name;
- STRLEN len;
- bool negated;
int nret;
for (nret = 0 ; numattrs && (attr = *attrlist++); numattrs--) {
- name = SvPV(attr, len);
- if ((negated = (*name == '-')) || (*name == '+')) {
+ STRLEN len;
+ const char *name = SvPV_const(attr, len);
+ const bool negated = (*name == '-');
+
+ if (negated) {
name++;
len--;
}
case SVt_PVCV:
switch ((int)len) {
case 6:
- switch (*name) {
- case 'l':
+ switch (name[3]) {
#ifdef CVf_LVALUE
- if (strEQ(name, "lvalue")) {
+ case 'l':
+ if (memEQ(name, "lvalue", 6)) {
if (negated)
CvFLAGS((CV*)sv) &= ~CVf_LVALUE;
else
CvFLAGS((CV*)sv) |= CVf_LVALUE;
continue;
}
-#endif /* defined CVf_LVALUE */
- if (strEQ(name, "locked")) {
+ break;
+#endif
+ case 'k':
+ if (memEQ(name, "locked", 6)) {
if (negated)
CvFLAGS((CV*)sv) &= ~CVf_LOCKED;
else
continue;
}
break;
- case 'm':
- if (strEQ(name, "method")) {
+ case 'h':
+ if (memEQ(name, "method", 6)) {
if (negated)
CvFLAGS((CV*)sv) &= ~CVf_METHOD;
else
}
break;
}
- case SVt_IV:
- case SVt_NV:
- case SVt_PV:
- case SVt_PVIV:
- case SVt_PVNV:
- case SVt_PVAV:
- case SVt_PVHV:
+ break;
+ default:
switch ((int)len) {
- case 8:
- switch (*name) {
- case 'r':
- if (strEQ(name, "readonly")) {
+ case 6:
+ switch (name[5]) {
+ case 'd':
+ if (memEQ(name, "share", 5)) {
if (negated)
- SvREADONLY_off(sv);
- else
- SvREADONLY_on(sv);
- if (SvTYPE(sv) == SVt_PVAV && SvMAGIC(sv)
- && mg_find(sv, 'I')) { /* @ISA */
- if (negated)
- PL_hints &= ~HINT_CT_MRESOLVE;
- else
- PL_hints |= HINT_CT_MRESOLVE;
- }
- continue;
+ Perl_croak(aTHX_ "A variable may not be unshared");
+ SvSHARE(sv);
+ continue;
+ }
+ break;
+ case 'e':
+ if (memEQ(name, "uniqu", 5)) {
+ if (SvTYPE(sv) == SVt_PVGV) {
+ if (negated) {
+ GvUNIQUE_off(sv);
+ } else {
+ GvUNIQUE_on(sv);
+ }
+ }
+ /* Hope this came from toke.c if not a GV. */
+ continue;
}
- break;
}
}
break;
- default:
- /* nothing, yet */
- break;
}
/* anything recognized had a 'continue' above */
*retlist++ = attr;
XS(XS_attributes_bootstrap)
{
+ dVAR;
dXSARGS;
- char *file = __FILE__;
+ PERL_UNUSED_ARG(cv);
+
+ if( items > 1 )
+ Perl_croak(aTHX_ "Usage: attributes::bootstrap $module");
- newXSproto("attributes::_warn_reserved", XS_attributes__warn_reserved, file, "");
newXS("attributes::_modify_attrs", XS_attributes__modify_attrs, file);
newXSproto("attributes::_guess_stash", XS_attributes__guess_stash, file, "$");
newXSproto("attributes::_fetch_attrs", XS_attributes__fetch_attrs, file, "$");
XS(XS_attributes__modify_attrs)
{
+ dVAR;
dXSARGS;
SV *rv, *sv;
+ PERL_UNUSED_ARG(cv);
if (items < 1) {
usage:
goto usage;
sv = SvRV(rv);
if (items > 1)
- XSRETURN(modify_SV_attributes(aTHXo_ sv, &ST(0), &ST(1), items-1));
+ XSRETURN(modify_SV_attributes(aTHX_ sv, &ST(0), &ST(1), items-1));
XSRETURN(0);
}
XS(XS_attributes__fetch_attrs)
{
+ dVAR;
dXSARGS;
SV *rv, *sv;
cv_flags_t cvflags;
+ PERL_UNUSED_ARG(cv);
if (items != 1) {
usage:
case SVt_PVCV:
cvflags = CvFLAGS((CV*)sv);
if (cvflags & CVf_LOCKED)
- XPUSHs(sv_2mortal(newSVpvn("locked", 6)));
+ XPUSHs(sv_2mortal(newSVpvs("locked")));
#ifdef CVf_LVALUE
if (cvflags & CVf_LVALUE)
- XPUSHs(sv_2mortal(newSVpvn("lvalue", 6)));
+ XPUSHs(sv_2mortal(newSVpvs("lvalue")));
#endif
if (cvflags & CVf_METHOD)
- XPUSHs(sv_2mortal(newSVpvn("method", 6)));
+ XPUSHs(sv_2mortal(newSVpvs("method")));
+ if (GvUNIQUE(CvGV((CV*)sv)))
+ XPUSHs(sv_2mortal(newSVpvs("unique")));
+ break;
+ case SVt_PVGV:
+ if (GvUNIQUE(sv))
+ XPUSHs(sv_2mortal(newSVpvs("unique")));
break;
default:
break;
XS(XS_attributes__guess_stash)
{
+ dVAR;
dXSARGS;
SV *rv, *sv;
-#ifdef dXSTARGET
- dXSTARGET;
-#else
- SV * TARG = sv_newmortal();
-#endif
+ dXSTARG;
+ PERL_UNUSED_ARG(cv);
if (items != 1) {
usage:
sv = SvRV(rv);
if (SvOBJECT(sv))
- sv_setpv(TARG, HvNAME(SvSTASH(sv)));
+ sv_setpvn(TARG, HvNAME_get(SvSTASH(sv)), HvNAMELEN_get(SvSTASH(sv)));
#if 0 /* this was probably a bad idea */
else if (SvPADMY(sv))
sv_setsv(TARG, &PL_sv_no); /* unblessed lexical */
#endif
else {
- HV *stash = Nullhv;
+ const HV *stash = NULL;
switch (SvTYPE(sv)) {
case SVt_PVCV:
- if (CvGV(sv) && isGV(CvGV(sv)) && GvSTASH(CvGV(sv)) &&
- HvNAME(GvSTASH(CvGV(sv))))
+ if (CvGV(sv) && isGV(CvGV(sv)) && GvSTASH(CvGV(sv)))
stash = GvSTASH(CvGV(sv));
- else if (/* !CvANON(sv) && */ CvSTASH(sv) && HvNAME(CvSTASH(sv)))
+ else if (/* !CvANON(sv) && */ CvSTASH(sv))
stash = CvSTASH(sv);
break;
- case SVt_PVMG:
- if (!(SvFAKE(sv) && SvTIED_mg(sv, '*')))
- break;
- /*FALLTHROUGH*/
case SVt_PVGV:
- if (GvGP(sv) && GvESTASH((GV*)sv) && HvNAME(GvESTASH((GV*)sv)))
+ if (GvGP(sv) && GvESTASH((GV*)sv))
stash = GvESTASH((GV*)sv);
break;
default:
break;
}
if (stash)
- sv_setpv(TARG, HvNAME(stash));
+ sv_setpvn(TARG, HvNAME_get(stash), HvNAMELEN_get(stash));
}
-#ifdef dXSTARGET
SvSETMAGIC(TARG);
-#endif
XSRETURN(1);
}
XS(XS_attributes_reftype)
{
+ dVAR;
dXSARGS;
SV *rv, *sv;
-#ifdef dXSTARGET
- dXSTARGET;
-#else
- SV * TARG = sv_newmortal();
-#endif
+ dXSTARG;
+ PERL_UNUSED_ARG(cv);
if (items != 1) {
usage:
rv = ST(0);
ST(0) = TARG;
- if (SvGMAGICAL(rv))
- mg_get(rv);
+ SvGETMAGIC(rv);
if (!(SvOK(rv) && SvROK(rv)))
goto usage;
sv = SvRV(rv);
sv_setpv(TARG, sv_reftype(sv, 0));
-#ifdef dXSTARGET
- SvSETMAGIC(TARG);
-#endif
-
- XSRETURN(1);
-}
-
-XS(XS_attributes__warn_reserved)
-{
- dXSARGS;
-#ifdef dXSTARGET
- dXSTARGET;
-#else
- SV * TARG = sv_newmortal();
-#endif
-
- if (items != 0) {
- Perl_croak(aTHX_
- "Usage: attributes::_warn_reserved ()");
- }
-
- EXTEND(SP,1);
- ST(0) = TARG;
- sv_setiv(TARG, ckWARN(WARN_RESERVED) != 0);
-#ifdef dXSTARGET
SvSETMAGIC(TARG);
-#endif
XSRETURN(1);
}
+/*
+ * Local variables:
+ * c-indentation-style: bsd
+ * c-basic-offset: 4
+ * indent-tabs-mode: t
+ * End:
+ *
+ * ex: set ts=8 sts=4 sw=4 noet:
+ */