[perl5.git] / vxs.inc

/* This file is part of the "version" CPAN distribution.  Please avoid
   editing it in the perl core. */

#ifdef PERL_CORE
#  define VXS_CLASS "version"
#else
#  define VXS_CLASS "version::vxs"
#endif

#ifdef VXS_XSUB_DETAILS
#  ifdef PERL_CORE
    {"UNIVERSAL::VERSION", XS_UNIVERSAL_VERSION, NULL},
#  else
    {VXS_CLASS "::_VERSION", XS_UNIVERSAL_VERSION, NULL},
#  endif
    {VXS_CLASS "::()", XS_version_noop, NULL},
    {VXS_CLASS "::new", XS_version_new, NULL},
    {VXS_CLASS "::parse", XS_version_new, NULL},
    {VXS_CLASS "::(\"\"", XS_version_stringify, NULL},
    {VXS_CLASS "::stringify", XS_version_stringify, NULL},
    {VXS_CLASS "::(0+", XS_version_numify, NULL},
    {VXS_CLASS "::numify", XS_version_numify, NULL},
    {VXS_CLASS "::normal", XS_version_normal, NULL},
    {VXS_CLASS "::(cmp", XS_version_vcmp, NULL},
    {VXS_CLASS "::(<=>", XS_version_vcmp, NULL},
#  ifdef PERL_CORE
    {VXS_CLASS "::vcmp", XS_version_vcmp, NULL},
#  else
    {VXS_CLASS "::VCMP", XS_version_vcmp, NULL},
#  endif
    {VXS_CLASS "::(bool", XS_version_boolean, NULL},
    {VXS_CLASS "::boolean", XS_version_boolean, NULL},
    {VXS_CLASS "::(+", XS_version_noop, NULL},
    {VXS_CLASS "::(-", XS_version_noop, NULL},
    {VXS_CLASS "::(*", XS_version_noop, NULL},
    {VXS_CLASS "::(/", XS_version_noop, NULL},
    {VXS_CLASS "::(+=", XS_version_noop, NULL},
    {VXS_CLASS "::(-=", XS_version_noop, NULL},
    {VXS_CLASS "::(*=", XS_version_noop, NULL},
    {VXS_CLASS "::(/=", XS_version_noop, NULL},
    {VXS_CLASS "::(abs", XS_version_noop, NULL},
    {VXS_CLASS "::(nomethod", XS_version_noop, NULL},
    {VXS_CLASS "::noop", XS_version_noop, NULL},
    {VXS_CLASS "::is_alpha", XS_version_is_alpha, NULL},
    {VXS_CLASS "::qv", XS_version_qv, NULL},
    {VXS_CLASS "::declare", XS_version_qv, NULL},
    {VXS_CLASS "::is_qv", XS_version_is_qv, NULL},
#else

#ifndef dVAR
#  define dVAR
#endif

#ifdef HvNAME_HEK
typedef HEK HVNAME;
#  ifndef HEKf
#    define HEKfARG(arg)	((void*)(sv_2mortal(newSVhek(arg))))
#    define HEKf		SVf
#  endif
#else
typedef char HVNAME;
#  define HvNAME_HEK	HvNAME_get
#  define HEKfARG(arg)	arg
#  define HEKf		"s"
#endif

XS(XS_UNIVERSAL_VERSION)
{
    dVAR;
    dXSARGS;
    HV *pkg;
    GV **gvp;
    GV *gv;
    SV *ret;
    SV *sv;
    const char *undef;
    PERL_UNUSED_ARG(cv);

    if (items < 1)
       Perl_croak(aTHX_ "Usage: UNIVERSAL::VERSION(sv, ...)");

    sv = ST(0);

    if (SvROK(sv)) {
        sv = (SV*)SvRV(sv);
        if (!SvOBJECT(sv))
            Perl_croak(aTHX_ "Cannot find version of an unblessed reference");
        pkg = SvSTASH(sv);
    }
    else {
        pkg = gv_stashsv(sv, FALSE);
    }

    gvp = pkg ? (GV**)hv_fetchs(pkg,"VERSION",FALSE) : (GV**)NULL;

    if (gvp && isGV(gv = *gvp) && (sv = GvSV(gv)) && SvOK(sv)) {
        sv = sv_mortalcopy(sv);
	if ( ! ISA_CLASS_OBJ(sv, "version::vxs"))
	    UPG_VERSION(sv, FALSE);
        undef = NULL;
    }
    else {
        sv = ret = &PL_sv_undef;
        undef = "(undef)";
    }

    if (items > 1) {
	SV *req = ST(1);

	if (undef) {
	    if (pkg) {
		const HVNAME* const name = HvNAME_HEK(pkg);
#if PERL_VERSION == 5
		Perl_croak(aTHX_ "%s version %s required--this is only version ",
			    name, SvPVx_nolen_const(req));
#else
		Perl_croak(aTHX_
			   "%"HEKf" does not define $%"HEKf
			   "::VERSION--version check failed",
			   HEKfARG(name), HEKfARG(name));
#endif
	    }
	    else {
#if PERL_VERSION >= 8
		Perl_croak(aTHX_
			     "%"SVf" defines neither package nor VERSION--version check failed",
			     (void*)(ST(0)) );
#else
		Perl_croak(aTHX_ "%s does not define $%s::VERSION--version check failed",
			   SvPVx_nolen_const(ST(0)),
			   SvPVx_nolen_const(ST(0)) );
#endif
	    }
	}

	if ( ! ISA_CLASS_OBJ(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 ) ) {
		req = VNORMAL(req);
		sv  = VNORMAL(sv);
	    }
	    else {
		req = VSTRINGIFY(req);
		sv  = VSTRINGIFY(sv);
	    }
	    Perl_croak(aTHX_ "%"HEKf" version %"SVf" required--"
		"this is only version %"SVf"", HEKfARG(HvNAME_HEK(pkg)),
		SVfARG(sv_2mortal(req)),
		SVfARG(sv_2mortal(sv)));
	}
    }
    ST(0) = ret;

    /* if the package's $VERSION is not undef, it is upgraded to be a version object */
    if (ISA_CLASS_OBJ(sv, "version")) {
	ST(0) = sv_2mortal(VSTRINGIFY(sv));
    } else {
	ST(0) = sv;
    }

    XSRETURN(1);
}

XS(XS_version_new)
{
    dVAR;
    dXSARGS;
    if (items > 3 || items < 1)
	croak_xs_usage(cv, "class, version");
    SP -= items;
    {
        SV *vs = ST(1);
	SV *rv;
        STRLEN len;
        const char *classname;
        U32 flags;

	/* Just in case this is something like a tied hash */
	SvGETMAGIC(vs);

        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 ( len != 7
	  || 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 ) {
	    SvGETMAGIC(ST(1));
	    if (SvOK(ST(1))) {
		ver = ST(1);
	    }
	    else {
		Perl_croak(aTHX_ "Invalid version format (version required)");
	    }
            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;
    }
    else
	Perl_croak(aTHX_ "lobj is not of type version");
}

#endif
Commit	Line	Data
abc6d738 FC	1	/* This file is part of the "version" CPAN distribution. Please avoid
	2	editing it in the perl core. */
	3
b42aaea1 FC	4	#ifdef PERL_CORE
	5	# define VXS_CLASS "version"
	6	#else
	7	# define VXS_CLASS "version::vxs"
	8	#endif
	9
abc6d738	10	#ifdef VXS_XSUB_DETAILS
b42aaea1	11	# ifdef PERL_CORE
abc6d738	12	{"UNIVERSAL::VERSION", XS_UNIVERSAL_VERSION, NULL},
b42aaea1 FC	13	# else
	14	{VXS_CLASS "::_VERSION", XS_UNIVERSAL_VERSION, NULL},
	15	# endif
	16	{VXS_CLASS "::()", XS_version_noop, NULL},
	17	{VXS_CLASS "::new", XS_version_new, NULL},
	18	{VXS_CLASS "::parse", XS_version_new, NULL},
	19	{VXS_CLASS "::(\"\"", XS_version_stringify, NULL},
	20	{VXS_CLASS "::stringify", XS_version_stringify, NULL},
	21	{VXS_CLASS "::(0+", XS_version_numify, NULL},
	22	{VXS_CLASS "::numify", XS_version_numify, NULL},
	23	{VXS_CLASS "::normal", XS_version_normal, NULL},
	24	{VXS_CLASS "::(cmp", XS_version_vcmp, NULL},
	25	{VXS_CLASS "::(<=>", XS_version_vcmp, NULL},
	26	# ifdef PERL_CORE
	27	{VXS_CLASS "::vcmp", XS_version_vcmp, NULL},
	28	# else
	29	{VXS_CLASS "::VCMP", XS_version_vcmp, NULL},
	30	# endif
	31	{VXS_CLASS "::(bool", XS_version_boolean, NULL},
	32	{VXS_CLASS "::boolean", XS_version_boolean, NULL},
	33	{VXS_CLASS "::(+", XS_version_noop, NULL},
	34	{VXS_CLASS "::(-", XS_version_noop, NULL},
	35	{VXS_CLASS "::(*", XS_version_noop, NULL},
	36	{VXS_CLASS "::(/", XS_version_noop, NULL},
	37	{VXS_CLASS "::(+=", XS_version_noop, NULL},
	38	{VXS_CLASS "::(-=", XS_version_noop, NULL},
	39	{VXS_CLASS "::(*=", XS_version_noop, NULL},
	40	{VXS_CLASS "::(/=", XS_version_noop, NULL},
	41	{VXS_CLASS "::(abs", XS_version_noop, NULL},
	42	{VXS_CLASS "::(nomethod", XS_version_noop, NULL},
	43	{VXS_CLASS "::noop", XS_version_noop, NULL},
	44	{VXS_CLASS "::is_alpha", XS_version_is_alpha, NULL},
	45	{VXS_CLASS "::qv", XS_version_qv, NULL},
	46	{VXS_CLASS "::declare", XS_version_qv, NULL},
	47	{VXS_CLASS "::is_qv", XS_version_is_qv, NULL},
abc6d738 FC	48	#else
abc6d738 FC	49
04df8d4d FC	50	#ifndef dVAR
	51	# define dVAR
	52	#endif
	53
0c96c511 FC	54	#ifdef HvNAME_HEK
	55	typedef HEK HVNAME;
	56	# ifndef HEKf
	57	# define HEKfARG(arg) ((void*)(sv_2mortal(newSVhek(arg))))
	58	# define HEKf SVf
	59	# endif
	60	#else
	61	typedef char HVNAME;
	62	# define HvNAME_HEK HvNAME_get
	63	# define HEKfARG(arg) arg
	64	# define HEKf "s"
	65	#endif
	66
abc6d738 FC	67	XS(XS_UNIVERSAL_VERSION)
	68	{
	69	dVAR;
	70	dXSARGS;
	71	HV *pkg;
	72	GV **gvp;
	73	GV *gv;
0c96c511	74	SV *ret;
abc6d738 FC	75	SV *sv;
	76	const char *undef;
	77	PERL_UNUSED_ARG(cv);
	78
8372457d FC	79	if (items < 1)
	80	Perl_croak(aTHX_ "Usage: UNIVERSAL::VERSION(sv, ...)");
	81
0c96c511 FC	82	sv = ST(0);
	83
	84	if (SvROK(sv)) {
	85	sv = (SV*)SvRV(sv);
abc6d738 FC	86	if (!SvOBJECT(sv))
	87	Perl_croak(aTHX_ "Cannot find version of an unblessed reference");
	88	pkg = SvSTASH(sv);
	89	}
	90	else {
0c96c511	91	pkg = gv_stashsv(sv, FALSE);
abc6d738 FC	92	}
abc6d738 FC	93
0c96c511	94	gvp = pkg ? (GV)hv_fetchs(pkg,"VERSION",FALSE) : (GV)NULL;
abc6d738 FC	95
abc6d738 FC	96	if (gvp && isGV(gv = *gvp) && (sv = GvSV(gv)) && SvOK(sv)) {
0c96c511 FC	97	sv = sv_mortalcopy(sv);
	98	if ( ! ISA_CLASS_OBJ(sv, "version::vxs"))
	99	UPG_VERSION(sv, FALSE);
abc6d738 FC	100	undef = NULL;
	101	}
	102	else {
0c96c511	103	sv = ret = &PL_sv_undef;
abc6d738 FC	104	undef = "(undef)";
	105	}
	106
	107	if (items > 1) {
	108	SV *req = ST(1);
	109
	110	if (undef) {
	111	if (pkg) {
0c96c511 FC	112	const HVNAME* const name = HvNAME_HEK(pkg);
	113	#if PERL_VERSION == 5
	114	Perl_croak(aTHX_ "%s version %s required--this is only version ",
	115	name, SvPVx_nolen_const(req));
	116	#else
abc6d738 FC	117	Perl_croak(aTHX_
	118	"%"HEKf" does not define $%"HEKf
	119	"::VERSION--version check failed",
	120	HEKfARG(name), HEKfARG(name));
0c96c511 FC	121	#endif
	122	}
	123	else {
	124	#if PERL_VERSION >= 8
abc6d738 FC	125	Perl_croak(aTHX_
abc6d738 FC	126	"%"SVf" defines neither package nor VERSION--version check failed",
0c96c511 FC	127	(void*)(ST(0)) );
	128	#else
	129	Perl_croak(aTHX_ "%s does not define $%s::VERSION--version check failed",
	130	SvPVx_nolen_const(ST(0)),
	131	SvPVx_nolen_const(ST(0)) );
	132	#endif
abc6d738 FC	133	}
	134	}
	135
0c96c511	136	if ( ! ISA_CLASS_OBJ(req, "version")) {
abc6d738	137	/* req may very well be R/O, so create a new object */
0c96c511	138	req = sv_2mortal( NEW_VERSION(req) );
abc6d738 FC	139	}
abc6d738 FC	140
0c96c511	141	if ( VCMP( req, sv ) > 0 ) {
abc6d738	142	if ( hv_exists(MUTABLE_HV(SvRV(req)), "qv", 2 ) ) {
0c96c511 FC	143	req = VNORMAL(req);
	144	sv = VNORMAL(sv);
	145	}
	146	else {
	147	req = VSTRINGIFY(req);
	148	sv = VSTRINGIFY(sv);
abc6d738	149	}
0c96c511 FC	150	Perl_croak(aTHX_ "%"HEKf" version %"SVf" required--"
	151	"this is only version %"SVf"", HEKfARG(HvNAME_HEK(pkg)),
	152	SVfARG(sv_2mortal(req)),
	153	SVfARG(sv_2mortal(sv)));
abc6d738 FC	154	}
abc6d738 FC	155	}
0c96c511	156	ST(0) = ret;
abc6d738	157
0c96c511 FC	158	/* if the package's $VERSION is not undef, it is upgraded to be a version object */
	159	if (ISA_CLASS_OBJ(sv, "version")) {
	160	ST(0) = sv_2mortal(VSTRINGIFY(sv));
abc6d738 FC	161	} else {
	162	ST(0) = sv;
	163	}
	164
	165	XSRETURN(1);
	166	}
	167
	168	XS(XS_version_new)
	169	{
	170	dVAR;
	171	dXSARGS;
	172	if (items > 3 \|\| items < 1)
	173	croak_xs_usage(cv, "class, version");
	174	SP -= items;
	175	{
	176	SV *vs = ST(1);
	177	SV *rv;
	178	STRLEN len;
	179	const char *classname;
	180	U32 flags;
	181
	182	/* Just in case this is something like a tied hash */
	183	SvGETMAGIC(vs);
	184
	185	if ( sv_isobject(ST(0)) ) { /* get the class if called as an object method */
	186	const HV * stash = SvSTASH(SvRV(ST(0)));
	187	classname = HvNAME(stash);
	188	len = HvNAMELEN(stash);
	189	flags = HvNAMEUTF8(stash) ? SVf_UTF8 : 0;
	190	}
	191	else {
	192	classname = SvPV(ST(0), len);
	193	flags = SvUTF8(ST(0));
	194	}
	195
	196	if ( items == 1 \|\| ! SvOK(vs) ) { /* no param or explicit undef */
	197	/* create empty object */
	198	vs = sv_newmortal();
	199	sv_setpvs(vs, "0");
	200	}
	201	else if ( items == 3 ) {
	202	vs = sv_newmortal();
	203	Perl_sv_setpvf(aTHX_ vs,"v%s",SvPV_nolen_const(ST(2)));
	204	}
	205
	206	rv = new_version(vs);
11e14f5a FC	207	if ( len != 7
11e14f5a FC	208	\|\| strnNE(classname,"version", len) ) /* inherited new() */
abc6d738 FC	209	sv_bless(rv, gv_stashpvn(classname, len, GV_ADD \| flags));
	210
	211	mPUSHs(rv);
	212	PUTBACK;
	213	return;
	214	}
	215	}
	216
	217	XS(XS_version_stringify)
	218	{
	219	dVAR;
	220	dXSARGS;
	221	if (items < 1)
	222	croak_xs_usage(cv, "lobj, ...");
	223	SP -= items;
	224	{
	225	SV * lobj = ST(0);
	226
	227	if (sv_isobject(lobj) && sv_derived_from(lobj, "version")) {
	228	lobj = SvRV(lobj);
	229	}
	230	else
	231	Perl_croak(aTHX_ "lobj is not of type version");
	232
	233	mPUSHs(vstringify(lobj));
	234
	235	PUTBACK;
	236	return;
	237	}
	238	}
	239
	240	XS(XS_version_numify)
	241	{
	242	dVAR;
	243	dXSARGS;
	244	if (items < 1)
	245	croak_xs_usage(cv, "lobj, ...");
	246	SP -= items;
	247	{
	248	SV * lobj = ST(0);
	249
	250	if (sv_isobject(lobj) && sv_derived_from(lobj, "version")) {
	251	lobj = SvRV(lobj);
	252	}
	253	else
	254	Perl_croak(aTHX_ "lobj is not of type version");
	255
	256	mPUSHs(vnumify(lobj));
	257
	258	PUTBACK;
	259	return;
	260	}
	261	}
	262
	263	XS(XS_version_normal)
	264	{
	265	dVAR;
	266	dXSARGS;
	267	if (items < 1)
	268	croak_xs_usage(cv, "lobj, ...");
	269	SP -= items;
	270	{
	271	SV * lobj = ST(0);
	272
273	if (sv_isobject(lobj) && sv_derived_from(lobj, "version")) {
274	lobj = SvRV(lobj);
275	}
276	else
277	Perl_croak(aTHX_ "lobj is not of type version");
278
279	mPUSHs(vnormal(lobj));
280
281	PUTBACK;
282	return;
283	}
284	}
285
286	XS(XS_version_vcmp)
287	{
288	dVAR;
289	dXSARGS;
290	if (items < 1)
291	croak_xs_usage(cv, "lobj, ...");
292	SP -= items;
293	{
294	SV * lobj = ST(0);
295
296	if (sv_isobject(lobj) && sv_derived_from(lobj, "version")) {
297	lobj = SvRV(lobj);
298	}
299	else
300	Perl_croak(aTHX_ "lobj is not of type version");
301
302	{
303	SV *rs;
304	SV *rvs;
305	SV * robj = ST(1);
306	const IV swap = (IV)SvIV(ST(2));
307
308	if ( !sv_isobject(robj) \|\| !sv_derived_from(robj, "version") )
309	{
310	robj = new_version(SvOK(robj) ? robj : newSVpvs_flags("0", SVs_TEMP));
311	sv_2mortal(robj);
312	}
313	rvs = SvRV(robj);
314
315	if ( swap )
316	{
317	rs = newSViv(vcmp(rvs,lobj));
318	}
319	else
320	{
321	rs = newSViv(vcmp(lobj,rvs));
322	}
323
324	mPUSHs(rs);
325	}
326
327	PUTBACK;
328	return;
329	}
330	}
331
332	XS(XS_version_boolean)
333	{
334	dVAR;
335	dXSARGS;
336	if (items < 1)
337	croak_xs_usage(cv, "lobj, ...");
338	SP -= items;
339	if (sv_isobject(ST(0)) && sv_derived_from(ST(0), "version")) {
340	SV * const lobj = SvRV(ST(0));
341	SV * const rs =
342	newSViv( vcmp(lobj,
343	sv_2mortal(new_version(
344	sv_2mortal(newSVpvs("0"))
345	))
346	)
347	);
348	mPUSHs(rs);
349	PUTBACK;
350	return;
351	}
352	else
353	Perl_croak(aTHX_ "lobj is not of type version");
354	}
355
356	XS(XS_version_noop)
357	{
358	dVAR;
359	dXSARGS;
360	if (items < 1)
361	croak_xs_usage(cv, "lobj, ...");
362	if (sv_isobject(ST(0)) && sv_derived_from(ST(0), "version"))
363	Perl_croak(aTHX_ "operation not supported with version object");
364	else
365	Perl_croak(aTHX_ "lobj is not of type version");
366	#ifndef HASATTRIBUTE_NORETURN
367	XSRETURN_EMPTY;
368	#endif
369	}
370
371	XS(XS_version_is_alpha)
372	{
373	dVAR;
374	dXSARGS;
375	if (items != 1)
376	croak_xs_usage(cv, "lobj");
377	SP -= items;
378	if (sv_isobject(ST(0)) && sv_derived_from(ST(0), "version")) {
379	SV * const lobj = ST(0);
380	if ( hv_exists(MUTABLE_HV(SvRV(lobj)), "alpha", 5 ) )
381	XSRETURN_YES;
382	else
383	XSRETURN_NO;
384	PUTBACK;
385	return;
386	}
387	else
388	Perl_croak(aTHX_ "lobj is not of type version");
389	}
390
391	XS(XS_version_qv)
392	{
393	dVAR;
394	dXSARGS;
395	PERL_UNUSED_ARG(cv);
396	SP -= items;
397	{
398	SV * ver = ST(0);
399	SV * rv;
400	STRLEN len = 0;
401	const char * classname = "";
402	U32 flags = 0;
403	if ( items == 2 ) {
404	SvGETMAGIC(ST(1));
405	if (SvOK(ST(1))) {
406	ver = ST(1);
407	}
408	else {
409	Perl_croak(aTHX_ "Invalid version format (version required)");
410	}
411	if ( sv_isobject(ST(0)) ) { /* class called as an object method */
412	const HV * stash = SvSTASH(SvRV(ST(0)));
413	classname = HvNAME(stash);
414	len = HvNAMELEN(stash);
415	flags = HvNAMEUTF8(stash) ? SVf_UTF8 : 0;
416	}
417	else {
418	classname = SvPV(ST(0), len);
419	flags = SvUTF8(ST(0));
420	}
421	}
422	if ( !SvVOK(ver) ) { /* not already a v-string */
423	rv = sv_newmortal();
424	sv_setsv(rv,ver); /* make a duplicate */
425	upg_version(rv, TRUE);
426	} else {
427	rv = sv_2mortal(new_version(ver));
428	}
429	if ( items == 2
430	&& strnNE(classname,"version", len) ) { /* inherited new() */
431	sv_bless(rv, gv_stashpvn(classname, len, GV_ADD \| flags));
432	}
433	PUSHs(rv);
434	}
435	PUTBACK;
436	return;
437	}
438
439	XS(XS_version_is_qv)
440	{
441	dVAR;
442	dXSARGS;
443	if (items != 1)
444	croak_xs_usage(cv, "lobj");
445	SP -= items;
446	if (sv_isobject(ST(0)) && sv_derived_from(ST(0), "version")) {
447	SV * const lobj = ST(0);
448	if ( hv_exists(MUTABLE_HV(SvRV(lobj)), "qv", 2 ) )
449	XSRETURN_YES;
450	else
451	XSRETURN_NO;
452	PUTBACK;
453	return;
454	}
455	else
456	Perl_croak(aTHX_ "lobj is not of type version");
457	}
458
459	#endif