diff options
author | Nicholas Clark <nick@ccl4.org> | 2008-05-21 13:35:43 +0000 |
---|---|---|
committer | David Mitchell <davem@iabyn.com> | 2009-03-29 17:40:03 +0100 |
commit | accfa7dda9db4972a4ed835c16eeee487a89efd6 (patch) | |
tree | 6b025846db323f674d5a62a7f0fe8987efd235f8 | |
parent | ebfa939761cc0cc03e74b9ee1d62008e8455d5a4 (diff) | |
download | perl-accfa7dda9db4972a4ed835c16eeee487a89efd6.tar.gz |
Add Perl_croak_xs_usage(), which reduces a lot of explicit calls of
the form Perl_croak(aTHX_ "Usage %s::%s(%s)", "ouch" "awk", "eee_yow");
down to croak_xs_usage(cv, "eee_yow"); and refactor all the core XS
code to use it. This adds () to the error messages for attributes::*
p4raw-id: //depot/perl@33901
(cherry picked from commit afa74d4282044c64ab152392003f47bb0674abd2)
-rw-r--r-- | embed.fnc | 3 | ||||
-rw-r--r-- | embed.h | 2 | ||||
-rw-r--r-- | global.sym | 1 | ||||
-rw-r--r-- | mro.c | 32 | ||||
-rw-r--r-- | pod/perlapi.pod | 17 | ||||
-rw-r--r-- | proto.h | 8 | ||||
-rw-r--r-- | universal.c | 141 | ||||
-rw-r--r-- | xsutils.c | 19 |
8 files changed, 115 insertions, 108 deletions
@@ -144,6 +144,9 @@ pM |PERL_CONTEXT* |create_eval_scope|U32 flags : croak()'s first parm can be NULL. Otherwise, mod_perl breaks. Afprd |void |croak |NULLOK const char* pat|... Apr |void |vcroak |NULLOK const char* pat|NULLOK va_list* args +Aprd |void |croak_xs_usage |NN const CV *const cv \ + |NN const char *const params + #if defined(PERL_IMPLICIT_CONTEXT) Afnrp |void |croak_nocontext|NULLOK const char* pat|... Afnp |OP* |die_nocontext |NN const char* pat|... @@ -99,6 +99,7 @@ #endif #define croak Perl_croak #define vcroak Perl_vcroak +#define croak_xs_usage Perl_croak_xs_usage #if defined(PERL_IMPLICIT_CONTEXT) #define croak_nocontext Perl_croak_nocontext #define die_nocontext Perl_die_nocontext @@ -2425,6 +2426,7 @@ #define create_eval_scope(a) Perl_create_eval_scope(aTHX_ a) #endif #define vcroak(a,b) Perl_vcroak(aTHX_ a,b) +#define croak_xs_usage(a,b) Perl_croak_xs_usage(aTHX_ a,b) #if defined(PERL_IMPLICIT_CONTEXT) #endif #ifdef PERL_CORE diff --git a/global.sym b/global.sym index 9d30a850cb..cbab355464 100644 --- a/global.sym +++ b/global.sym @@ -60,6 +60,7 @@ Perl_cast_uv Perl_my_chsize Perl_croak Perl_vcroak +Perl_croak_xs_usage Perl_croak_nocontext Perl_die_nocontext Perl_deb_nocontext @@ -740,10 +740,8 @@ XS(XS_mro_get_linear_isa) { HV* class_stash; SV* classname; - PERL_UNUSED_ARG(cv); - if(items < 1 || items > 2) - Perl_croak(aTHX_ "Usage: mro::get_linear_isa(classname [, type ])"); + croak_xs_usage(cv, "classname [, type ]"); classname = ST(0); class_stash = gv_stashsv(classname, 0); @@ -781,10 +779,8 @@ XS(XS_mro_set_mro) HV* class_stash; struct mro_meta* meta; - PERL_UNUSED_ARG(cv); - if (items != 2) - Perl_croak(aTHX_ "Usage: mro::set_mro(classname, type)"); + croak_xs_usage(cv, "classname, type"); classname = ST(0); whichstr = SvPV_nolen(ST(1)); @@ -816,10 +812,8 @@ XS(XS_mro_get_mro) SV* classname; HV* class_stash; - PERL_UNUSED_ARG(cv); - if (items != 1) - Perl_croak(aTHX_ "Usage: mro::get_mro(classname)"); + croak_xs_usage(cv, "classname"); classname = ST(0); class_stash = gv_stashsv(classname, 0); @@ -839,10 +833,8 @@ XS(XS_mro_get_isarev) HV* isarev; AV* ret_array; - PERL_UNUSED_ARG(cv); - if (items != 1) - Perl_croak(aTHX_ "Usage: mro::get_isarev(classname)"); + croak_xs_usage(cv, "classname"); classname = ST(0); @@ -875,10 +867,8 @@ XS(XS_mro_is_universal) STRLEN classname_len; HE* he; - PERL_UNUSED_ARG(cv); - if (items != 1) - Perl_croak(aTHX_ "Usage: mro::is_universal(classname)"); + croak_xs_usage(cv, "classname"); classname = ST(0); @@ -899,10 +889,8 @@ XS(XS_mro_invalidate_method_caches) dVAR; dXSARGS; - PERL_UNUSED_ARG(cv); - if (items != 0) - Perl_croak(aTHX_ "Usage: mro::invalidate_all_method_caches()"); + croak_xs_usage(cv, ""); PL_sub_generation++; @@ -916,10 +904,8 @@ XS(XS_mro_method_changed_in) SV* classname; HV* class_stash; - PERL_UNUSED_ARG(cv); - if(items != 1) - Perl_croak(aTHX_ "Usage: mro::method_changed_in(classname)"); + croak_xs_usage(cv, "classname"); classname = ST(0); @@ -938,10 +924,8 @@ XS(XS_mro_get_pkg_gen) SV* classname; HV* class_stash; - PERL_UNUSED_ARG(cv); - if(items != 1) - Perl_croak(aTHX_ "Usage: mro::get_pkg_gen(classname)"); + croak_xs_usage(cv, "classname"); classname = ST(0); diff --git a/pod/perlapi.pod b/pod/perlapi.pod index a8424d1254..c1dd8b2272 100644 --- a/pod/perlapi.pod +++ b/pod/perlapi.pod @@ -3938,6 +3938,23 @@ Found in file sv.h =over 8 +=item croak_xs_usage +X<croak_xs_usage> + +A specialised variant of C<croak()> for emitting the usage message for xsubs + + 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: + + Perl_croak(aTHX_ "Usage %s::%s(%s)", "ouch" "awk", "eee_yow"); + + void croak_xs_usage(CV *const cv, const char *const params) + +=for hackers +Found in file universal.c + =item get_sv X<get_sv> @@ -315,6 +315,14 @@ PERL_CALLCONV void Perl_croak(pTHX_ const char* pat, ...) PERL_CALLCONV void Perl_vcroak(pTHX_ const char* pat, va_list* args) __attribute__noreturn__; +PERL_CALLCONV void Perl_croak_xs_usage(pTHX_ const CV *const cv, const char *const params) + __attribute__noreturn__ + __attribute__nonnull__(pTHX_1) + __attribute__nonnull__(pTHX_2); +#define PERL_ARGS_ASSERT_CROAK_XS_USAGE \ + assert(cv); assert(params) + + #if defined(PERL_IMPLICIT_CONTEXT) PERL_CALLCONV void Perl_croak_nocontext(const char* pat, ...) __attribute__noreturn__ diff --git a/universal.c b/universal.c index 1ddecec70c..90a319f0af 100644 --- a/universal.c +++ b/universal.c @@ -294,15 +294,50 @@ Perl_boot_core_UNIVERSAL(pTHX) newXS("Tie::Hash::NamedCapture::flags", XS_Tie_Hash_NamedCapture_flags, file); } +/* +=for apidoc croak_xs_usage + +A specialised variant of C<croak()> for emitting the usage message for xsubs + + 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: + + Perl_croak(aTHX_ "Usage %s::%s(%s)", "ouch" "awk", "eee_yow"); + +=cut +*/ + +void +Perl_croak_xs_usage(pTHX_ const CV *const cv, const char *const params) +{ + const GV *const gv = CvGV(cv); + + PERL_ARGS_ASSERT_CROAK_XS_USAGE; + + if (gv) { + const char *const gvname = GvNAME(gv); + const HV *const stash = GvSTASH(gv); + const char *const hvname = stash ? HvNAME_get(stash) : NULL; + + if (hvname) + Perl_croak(aTHX_ "Usage: %s::%s(%s)", hvname, gvname, params); + else + Perl_croak(aTHX_ "Usage: %s(%s)", gvname, params); + } else { + /* Pants. I don't think that it should be possible to get here. */ + Perl_croak(aTHX_ "Usage: CODE(%"UVXf")(%s)", (UV)cv, params); + } +} XS(XS_UNIVERSAL_isa) { dVAR; dXSARGS; - PERL_UNUSED_ARG(cv); if (items != 2) - Perl_croak(aTHX_ "Usage: UNIVERSAL::isa(reference, kind)"); + croak_xs_usage(cv, "reference, kind"); else { SV * const sv = ST(0); const char *name; @@ -328,10 +363,9 @@ XS(XS_UNIVERSAL_can) const char *name; SV *rv; HV *pkg = NULL; - PERL_UNUSED_ARG(cv); if (items != 2) - Perl_croak(aTHX_ "Usage: UNIVERSAL::can(object-ref, method)"); + croak_xs_usage(cv, "object-ref, method"); sv = ST(0); @@ -469,9 +503,8 @@ XS(XS_version_new) { dVAR; dXSARGS; - PERL_UNUSED_ARG(cv); if (items > 3) - Perl_croak(aTHX_ "Usage: version::new(class, version)"); + croak_xs_usage(cv, "class, version"); SP -= items; { SV *vs = ST(1); @@ -505,9 +538,8 @@ XS(XS_version_stringify) { dVAR; dXSARGS; - PERL_UNUSED_ARG(cv); if (items < 1) - Perl_croak(aTHX_ "Usage: version::stringify(lobj, ...)"); + croak_xs_usage(cv, "lobj, ..."); SP -= items; { SV * lobj; @@ -529,9 +561,8 @@ XS(XS_version_numify) { dVAR; dXSARGS; - PERL_UNUSED_ARG(cv); if (items < 1) - Perl_croak(aTHX_ "Usage: version::numify(lobj, ...)"); + croak_xs_usage(cv, "lobj, ..."); SP -= items; { SV * lobj; @@ -553,9 +584,8 @@ XS(XS_version_normal) { dVAR; dXSARGS; - PERL_UNUSED_ARG(cv); if (items < 1) - Perl_croak(aTHX_ "Usage: version::normal(lobj, ...)"); + croak_xs_usage(cv, "lobj, ..."); SP -= items; { SV * lobj; @@ -577,9 +607,8 @@ XS(XS_version_vcmp) { dVAR; dXSARGS; - PERL_UNUSED_ARG(cv); if (items < 1) - Perl_croak(aTHX_ "Usage: version::vcmp(lobj, ...)"); + croak_xs_usage(cv, "lobj, ..."); SP -= items; { SV * lobj; @@ -623,9 +652,8 @@ XS(XS_version_boolean) { dVAR; dXSARGS; - PERL_UNUSED_ARG(cv); if (items < 1) - Perl_croak(aTHX_ "Usage: version::boolean(lobj, ...)"); + croak_xs_usage(cv, "lobj, ..."); SP -= items; if (sv_derived_from(ST(0), "version")) { SV * const lobj = SvRV(ST(0)); @@ -642,9 +670,8 @@ XS(XS_version_noop) { dVAR; dXSARGS; - PERL_UNUSED_ARG(cv); if (items < 1) - Perl_croak(aTHX_ "Usage: version::noop(lobj, ...)"); + croak_xs_usage(cv, "lobj, ..."); if (sv_derived_from(ST(0), "version")) Perl_croak(aTHX_ "operation not supported with version object"); else @@ -658,9 +685,8 @@ XS(XS_version_is_alpha) { dVAR; dXSARGS; - PERL_UNUSED_ARG(cv); if (items != 1) - Perl_croak(aTHX_ "Usage: version::is_alpha(lobj)"); + croak_xs_usage(cv, "lobj"); SP -= items; if (sv_derived_from(ST(0), "version")) { SV * const lobj = ST(0); @@ -679,9 +705,8 @@ XS(XS_version_qv) { dVAR; dXSARGS; - PERL_UNUSED_ARG(cv); if (items != 1) - Perl_croak(aTHX_ "Usage: version::qv(ver)"); + croak_xs_usage(cv, "ver"); SP -= items; { SV * ver = ST(0); @@ -705,9 +730,8 @@ XS(XS_utf8_is_utf8) { dVAR; dXSARGS; - PERL_UNUSED_ARG(cv); if (items != 1) - Perl_croak(aTHX_ "Usage: utf8::is_utf8(sv)"); + croak_xs_usage(cv, "sv"); else { const SV * const sv = ST(0); if (SvUTF8(sv)) @@ -722,9 +746,8 @@ XS(XS_utf8_valid) { dVAR; dXSARGS; - PERL_UNUSED_ARG(cv); if (items != 1) - Perl_croak(aTHX_ "Usage: utf8::valid(sv)"); + croak_xs_usage(cv, "sv"); else { SV * const sv = ST(0); STRLEN len; @@ -741,9 +764,8 @@ XS(XS_utf8_encode) { dVAR; dXSARGS; - PERL_UNUSED_ARG(cv); if (items != 1) - Perl_croak(aTHX_ "Usage: utf8::encode(sv)"); + croak_xs_usage(cv, "sv"); sv_utf8_encode(ST(0)); XSRETURN_EMPTY; } @@ -752,9 +774,8 @@ XS(XS_utf8_decode) { dVAR; dXSARGS; - PERL_UNUSED_ARG(cv); if (items != 1) - Perl_croak(aTHX_ "Usage: utf8::decode(sv)"); + croak_xs_usage(cv, "sv"); else { SV * const sv = ST(0); const bool RETVAL = sv_utf8_decode(sv); @@ -768,9 +789,8 @@ XS(XS_utf8_upgrade) { dVAR; dXSARGS; - PERL_UNUSED_ARG(cv); if (items != 1) - Perl_croak(aTHX_ "Usage: utf8::upgrade(sv)"); + croak_xs_usage(cv, "sv"); else { SV * const sv = ST(0); STRLEN RETVAL; @@ -786,9 +806,8 @@ XS(XS_utf8_downgrade) { dVAR; dXSARGS; - PERL_UNUSED_ARG(cv); if (items < 1 || items > 2) - Perl_croak(aTHX_ "Usage: utf8::downgrade(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)); @@ -805,10 +824,9 @@ XS(XS_utf8_native_to_unicode) dVAR; dXSARGS; const UV uv = SvUV(ST(0)); - PERL_UNUSED_ARG(cv); if (items > 1) - Perl_croak(aTHX_ "Usage: utf8::native_to_unicode(sv)"); + croak_xs_usage(cv, "sv"); ST(0) = sv_2mortal(newSViv(NATIVE_TO_UNI(uv))); XSRETURN(1); @@ -819,10 +837,9 @@ XS(XS_utf8_unicode_to_native) dVAR; dXSARGS; const UV uv = SvUV(ST(0)); - PERL_UNUSED_ARG(cv); if (items > 1) - Perl_croak(aTHX_ "Usage: utf8::unicode_to_native(sv)"); + croak_xs_usage(cv, "sv"); ST(0) = sv_2mortal(newSViv(UNI_TO_NATIVE(uv))); XSRETURN(1); @@ -876,10 +893,9 @@ XS(XS_Internals_hv_clear_placehold) { dVAR; dXSARGS; - PERL_UNUSED_ARG(cv); if (items != 1) - Perl_croak(aTHX_ "Usage: UNIVERSAL::hv_clear_placeholders(hv)"); + croak_xs_usage(cv, "hv"); else { HV * const hv = (HV *) SvRV(ST(0)); hv_clear_placeholders(hv); @@ -897,9 +913,8 @@ XS(XS_PerlIO_get_layers) { dVAR; dXSARGS; - PERL_UNUSED_ARG(cv); if (items < 1 || items % 2 == 0) - Perl_croak(aTHX_ "Usage: PerlIO_get_layers(filehandle[,args])"); + croak_xs_usage(cv, "filehandle[,args]"); #ifdef USE_PERLIO { SV * sv; @@ -1043,7 +1058,6 @@ XS(XS_Internals_HvREHASH) /* Subject to change */ { dVAR; dXSARGS; - PERL_UNUSED_ARG(cv); if (SvROK(ST(0))) { const HV * const hv = (HV *) SvRV(ST(0)); if (items == 1 && SvTYPE(hv) == SVt_PVHV) { @@ -1063,7 +1077,7 @@ XS(XS_re_is_regexp) PERL_UNUSED_VAR(cv); if (items != 1) - Perl_croak(aTHX_ "Usage: %s(%s)", "re::is_regexp", "sv"); + croak_xs_usage(cv, "sv"); SP -= items; @@ -1080,10 +1094,9 @@ XS(XS_re_regnames_count) SV * ret; dVAR; dXSARGS; - PERL_UNUSED_ARG(cv); if (items != 0) - Perl_croak(aTHX_ "Usage: %s(%s)", "re::regnames_count", ""); + croak_xs_usage(cv, ""); SP -= items; @@ -1110,10 +1123,9 @@ XS(XS_re_regname) REGEXP * rx; U32 flags; SV * ret; - PERL_UNUSED_ARG(cv); if (items < 1 || items > 2) - Perl_croak(aTHX_ "Usage: %s(%s)", "re::regname", "name[, all ]"); + croak_xs_usage(cv, "name[, all ]"); SP -= items; @@ -1148,10 +1160,9 @@ XS(XS_re_regnames) I32 length; I32 i; SV **entry; - PERL_UNUSED_ARG(cv); if (items > 1) - Perl_croak(aTHX_ "Usage: %s(%s)", "re::regnames", "[all]"); + croak_xs_usage(cv, "[all]"); rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; @@ -1198,10 +1209,9 @@ XS(XS_re_regexp_pattern) dVAR; dXSARGS; REGEXP *re; - PERL_UNUSED_ARG(cv); if (items != 1) - Perl_croak(aTHX_ "Usage: %s(%s)", "re::regexp_pattern", "sv"); + croak_xs_usage(cv, "sv"); SP -= items; @@ -1291,10 +1301,9 @@ XS(XS_Tie_Hash_NamedCapture_FETCH) REGEXP * rx; U32 flags; SV * ret; - PERL_UNUSED_ARG(cv); if (items != 2) - Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::STORE($key, $flags)"); + croak_xs_usage(cv, "$key, $flags"); rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; @@ -1322,10 +1331,9 @@ XS(XS_Tie_Hash_NamedCapture_STORE) dXSARGS; REGEXP * rx; U32 flags; - PERL_UNUSED_ARG(cv); if (items != 3) - Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::STORE($key, $value, $flags)"); + croak_xs_usage(cv, "$key, $value, $flags"); rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; @@ -1348,10 +1356,9 @@ XS(XS_Tie_Hash_NamedCapture_DELETE) dXSARGS; REGEXP * rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; U32 flags; - PERL_UNUSED_ARG(cv); if (items != 2) - Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::DELETE($key, $flags)"); + croak_xs_usage(cv, "$key, $flags"); if (!rx) Perl_croak(aTHX_ "%s", PL_no_modify); @@ -1368,10 +1375,9 @@ XS(XS_Tie_Hash_NamedCapture_CLEAR) dXSARGS; REGEXP * rx; U32 flags; - PERL_UNUSED_ARG(cv); if (items != 1) - Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::CLEAR($flags)"); + croak_xs_usage(cv, "$flags"); rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; @@ -1391,10 +1397,9 @@ XS(XS_Tie_Hash_NamedCapture_EXISTS) REGEXP * rx; U32 flags; SV * ret; - PERL_UNUSED_ARG(cv); if (items != 2) - Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::EXISTS($key, $flags)"); + croak_xs_usage(cv, "$key, $flags"); rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; @@ -1420,10 +1425,9 @@ XS(XS_Tie_Hash_NamedCapture_FIRSTK) REGEXP * rx; U32 flags; SV * ret; - PERL_UNUSED_ARG(cv); if (items != 1) - Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::FIRSTKEY()"); + croak_xs_usage(cv, ""); rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; @@ -1453,10 +1457,9 @@ XS(XS_Tie_Hash_NamedCapture_NEXTK) REGEXP * rx; U32 flags; SV * ret; - PERL_UNUSED_ARG(cv); if (items != 2) - Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::NEXTKEY($lastkey)"); + croak_xs_usage(cv, "$lastkey"); rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; @@ -1485,10 +1488,9 @@ XS(XS_Tie_Hash_NamedCapture_SCALAR) REGEXP * rx; U32 flags; SV * ret; - PERL_UNUSED_ARG(cv); if (items != 1) - Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::SCALAR()"); + croak_xs_usage(cv, ""); rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; @@ -1515,10 +1517,9 @@ XS(XS_Tie_Hash_NamedCapture_flags) { dVAR; dXSARGS; - PERL_UNUSED_ARG(cv); if (items != 0) - Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::flags()"); + croak_xs_usage(cv, ""); mXPUSHu(RXapif_ONE); mXPUSHu(RXapif_ALL); @@ -152,10 +152,9 @@ XS(XS_attributes_bootstrap) { dVAR; dXSARGS; - PERL_UNUSED_ARG(cv); if( items > 1 ) - Perl_croak(aTHX_ "Usage: attributes::bootstrap $module"); + croak_xs_usage(cv, "$module"); newXS("attributes::_modify_attrs", XS_attributes__modify_attrs, file); newXSproto("attributes::_guess_stash", XS_attributes__guess_stash, file, "$"); @@ -170,12 +169,10 @@ XS(XS_attributes__modify_attrs) dVAR; dXSARGS; SV *rv, *sv; - PERL_UNUSED_ARG(cv); if (items < 1) { usage: - Perl_croak(aTHX_ - "Usage: attributes::_modify_attrs $reference, @attributes"); + croak_xs_usage(cv, "@attributes"); } rv = ST(0); @@ -194,12 +191,10 @@ XS(XS_attributes__fetch_attrs) dXSARGS; SV *rv, *sv; cv_flags_t cvflags; - PERL_UNUSED_ARG(cv); if (items != 1) { usage: - Perl_croak(aTHX_ - "Usage: attributes::_fetch_attrs $reference"); + croak_xs_usage(cv, "$reference"); } rv = ST(0); @@ -239,12 +234,10 @@ XS(XS_attributes__guess_stash) dXSARGS; SV *rv, *sv; dXSTARG; - PERL_UNUSED_ARG(cv); if (items != 1) { usage: - Perl_croak(aTHX_ - "Usage: attributes::_guess_stash $reference"); + croak_xs_usage(cv, "$reference"); } rv = ST(0); @@ -289,12 +282,10 @@ XS(XS_attributes_reftype) dXSARGS; SV *rv, *sv; dXSTARG; - PERL_UNUSED_ARG(cv); if (items != 1) { usage: - Perl_croak(aTHX_ - "Usage: attributes::reftype $reference"); + croak_xs_usage(cv, "$reference"); } rv = ST(0); |