1 /* This file is part of the "version" CPAN distribution. Please avoid
2 editing it in the perl core. */
5 # define VXS_CLASS "version"
6 # define VXSp(name) XS_##name
7 /* VXSXSDP = XSUB Details Proto */
10 # define VXS_CLASS "version::vxs"
11 # define VXSp(name) VXS_##name
12 /* proto member is unused in version, it is used in CORE by non version xsubs */
15 #define VXS(name) XS(VXSp(name)); XS(VXSp(name))
17 /* uses PUSHs, so SP must be at start, PUSHs sv on Perl stack, then returns from
18 xsub; this is a little more machine code/tailcall friendly than mPUSHs(foo);
21 #define VXS_RETURN_M_SV(sv) \
31 #ifdef VXS_XSUB_DETAILS
33 {"UNIVERSAL::VERSION", VXSp(universal_version), VXSXSDP(NULL)},
35 {VXS_CLASS "::_VERSION", VXSp(universal_version), VXSXSDP(NULL)},
36 {VXS_CLASS "::()", VXSp(version_noop), VXSXSDP(NULL)},
37 {VXS_CLASS "::new", VXSp(version_new), VXSXSDP(NULL)},
38 {VXS_CLASS "::parse", VXSp(version_new), VXSXSDP(NULL)},
39 {VXS_CLASS "::(\"\"", VXSp(version_stringify), VXSXSDP(NULL)},
40 {VXS_CLASS "::stringify", VXSp(version_stringify), VXSXSDP(NULL)},
41 {VXS_CLASS "::(0+", VXSp(version_numify), VXSXSDP(NULL)},
42 {VXS_CLASS "::numify", VXSp(version_numify), VXSXSDP(NULL)},
43 {VXS_CLASS "::normal", VXSp(version_normal), VXSXSDP(NULL)},
44 {VXS_CLASS "::(cmp", VXSp(version_vcmp), VXSXSDP(NULL)},
45 {VXS_CLASS "::(<=>", VXSp(version_vcmp), VXSXSDP(NULL)},
47 {VXS_CLASS "::vcmp", XS_version_vcmp, VXSXSDP(NULL)},
49 {VXS_CLASS "::VCMP", VXS_version_vcmp, VXSXSDP(NULL)},
51 {VXS_CLASS "::(bool", VXSp(version_boolean), VXSXSDP(NULL)},
52 {VXS_CLASS "::boolean", VXSp(version_boolean), VXSXSDP(NULL)},
53 {VXS_CLASS "::(+", VXSp(version_noop), VXSXSDP(NULL)},
54 {VXS_CLASS "::(-", VXSp(version_noop), VXSXSDP(NULL)},
55 {VXS_CLASS "::(*", VXSp(version_noop), VXSXSDP(NULL)},
56 {VXS_CLASS "::(/", VXSp(version_noop), VXSXSDP(NULL)},
57 {VXS_CLASS "::(+=", VXSp(version_noop), VXSXSDP(NULL)},
58 {VXS_CLASS "::(-=", VXSp(version_noop), VXSXSDP(NULL)},
59 {VXS_CLASS "::(*=", VXSp(version_noop), VXSXSDP(NULL)},
60 {VXS_CLASS "::(/=", VXSp(version_noop), VXSXSDP(NULL)},
61 {VXS_CLASS "::(abs", VXSp(version_noop), VXSXSDP(NULL)},
62 {VXS_CLASS "::(nomethod", VXSp(version_noop), VXSXSDP(NULL)},
63 {VXS_CLASS "::noop", VXSp(version_noop), VXSXSDP(NULL)},
64 {VXS_CLASS "::is_alpha", VXSp(version_is_alpha), VXSXSDP(NULL)},
65 {VXS_CLASS "::qv", VXSp(version_qv), VXSXSDP(NULL)},
66 {VXS_CLASS "::declare", VXSp(version_qv), VXSXSDP(NULL)},
67 {VXS_CLASS "::is_qv", VXSp(version_is_qv), VXSXSDP(NULL)},
77 # define HEKfARG(arg) ((void*)(sv_2mortal(newSVhek(arg))))
82 # define HvNAME_HEK HvNAME_get
83 # define HEKfARG(arg) arg
87 VXS(universal_version)
99 Perl_croak(aTHX_ "Usage: UNIVERSAL::VERSION(sv, ...)");
106 Perl_croak(aTHX_ "Cannot find version of an unblessed reference");
110 pkg = gv_stashsv(sv, FALSE);
113 gvp = pkg ? (GV**)hv_fetchs(pkg,"VERSION",FALSE) : (GV**)NULL;
115 if (gvp && isGV(gv = *gvp) && (sv = GvSV(gv)) && SvOK(sv)) {
116 sv = sv_mortalcopy(sv);
117 if ( ! ISA_VERSION_OBJ(sv) )
118 UPG_VERSION(sv, FALSE);
131 const HVNAME* const name = HvNAME_HEK(pkg);
132 #if PERL_VERSION == 5
133 Perl_croak(aTHX_ "%s version %s required--this is only version ",
134 name, SvPVx_nolen_const(req));
137 "%"HEKf" does not define $%"HEKf
138 "::VERSION--version check failed",
139 HEKfARG(name), HEKfARG(name));
143 #if PERL_VERSION >= 8
145 "%"SVf" defines neither package nor VERSION--version check failed",
148 Perl_croak(aTHX_ "%s does not define $%s::VERSION--version check failed",
149 SvPVx_nolen_const(ST(0)),
150 SvPVx_nolen_const(ST(0)) );
155 if ( ! ISA_VERSION_OBJ(req) ) {
156 /* req may very well be R/O, so create a new object */
157 req = sv_2mortal( NEW_VERSION(req) );
160 if ( VCMP( req, sv ) > 0 ) {
161 if ( hv_exists(MUTABLE_HV(SvRV(req)), "qv", 2 ) ) {
166 req = VSTRINGIFY(req);
169 Perl_croak(aTHX_ "%"HEKf" version %"SVf" required--"
170 "this is only version %"SVf"", HEKfARG(HvNAME_HEK(pkg)),
171 SVfARG(sv_2mortal(req)),
172 SVfARG(sv_2mortal(sv)));
176 /* if the package's $VERSION is not undef, it is upgraded to be a version object */
177 if (ISA_VERSION_OBJ(sv)) {
178 ST(0) = sv_2mortal(VSTRINGIFY(sv));
192 const char * classname = "";
205 #if PERL_VERSION == 5
206 sv_setpvf(vs,"v%s",SvPV_nolen_const(svarg2));
208 Perl_sv_setpvf(aTHX_ vs,"v%s",SvPV_nolen_const(svarg2));
214 /* Just in case this is something like a tied hash */
220 /* no param or explicit undef */
221 /* create empty object */
223 sv_setpvs(vs,"undef");
227 Perl_croak_nocontext("Usage: version::new(class, version)");
232 if ( sv_isobject(svarg0) ) {
233 /* get the class if called as an object method */
234 const HV * stash = SvSTASH(SvRV(svarg0));
235 classname = HvNAME_get(stash);
236 len = HvNAMELEN_get(stash);
238 flags = HvNAMEUTF8(stash) ? SVf_UTF8 : 0;
242 classname = SvPV_nomg(svarg0, len);
243 flags = SvUTF8(svarg0);
246 rv = NEW_VERSION(vs);
247 if ( len != sizeof(VXS_CLASS)-1
248 || strcmp(classname,VXS_CLASS) != 0 ) /* inherited new() */
249 #if PERL_VERSION == 5
250 sv_bless(rv, gv_stashpv((char *)classname, GV_ADD));
252 sv_bless(rv, gv_stashpvn(classname, len, GV_ADD | flags));
258 #define VTYPECHECK(var, val, varname) \
261 if (ISA_VERSION_OBJ(sv_vtc)) { \
262 (var) = SvRV(sv_vtc); \
265 Perl_croak_nocontext(varname " is not of type version"); \
268 VXS(version_stringify)
273 croak_xs_usage(cv, "lobj, ...");
277 VTYPECHECK(lobj, ST(0), "lobj");
279 VXS_RETURN_M_SV(VSTRINGIFY(lobj));
288 croak_xs_usage(cv, "lobj, ...");
292 VTYPECHECK(lobj, ST(0), "lobj");
293 VXS_RETURN_M_SV(VNUMIFY(lobj));
302 croak_xs_usage(cv, "ver");
306 VTYPECHECK(ver, ST(0), "ver");
308 VXS_RETURN_M_SV(VNORMAL(ver));
317 croak_xs_usage(cv, "lobj, ...");
321 VTYPECHECK(lobj, ST(0), "lobj");
326 const IV swap = (IV)SvIV(ST(2));
328 if ( !ISA_VERSION_OBJ(robj) )
330 robj = sv_2mortal(NEW_VERSION(SvOK(robj) ? robj : newSVpvs_flags("0", SVs_TEMP)));
336 rs = newSViv(VCMP(rvs,lobj));
340 rs = newSViv(VCMP(lobj,rvs));
354 croak_xs_usage(cv, "lobj, ...");
356 VTYPECHECK(lobj, ST(0), "lobj");
360 sv_2mortal(NEW_VERSION(
361 sv_2mortal(newSVpvs("0"))
374 croak_xs_usage(cv, "lobj, ...");
375 if (ISA_VERSION_OBJ(ST(0)))
376 Perl_croak(aTHX_ "operation not supported with version object");
378 Perl_croak(aTHX_ "lobj is not of type version");
384 S_version_check_key(pTHX_ CV * cv, const char * key, int keylen)
389 croak_xs_usage(cv, "lobj");
393 VTYPECHECK(lobj, lobj, "lobj");
394 if ( hv_exists(MUTABLE_HV(lobj), key, keylen ) )
404 VXS(version_is_alpha)
406 S_version_check_key(aTHX_ cv, "alpha", 5);
420 const char * classname = "";
429 Perl_croak(aTHX_ "Invalid version format (version required)");
431 if ( sv_isobject(sv0) ) { /* class called as an object method */
432 const HV * stash = SvSTASH(SvRV(sv0));
433 classname = HvNAME_get(stash);
434 len = HvNAMELEN_get(stash);
436 flags = HvNAMEUTF8(stash) ? SVf_UTF8 : 0;
440 classname = SvPV(sv0, len);
444 if ( !SvVOK(ver) ) { /* not already a v-string */
446 SvSetSV_nosteal(rv,ver); /* make a duplicate */
447 UPG_VERSION(rv, TRUE);
449 rv = sv_2mortal(NEW_VERSION(ver));
451 if ( items == 2 && (len != 7
452 || strcmp(classname,"version")) ) { /* inherited new() */
453 #if PERL_VERSION == 5
454 sv_bless(rv, gv_stashpv((char *)classname, GV_ADD));
456 sv_bless(rv, gv_stashpvn(classname, len, GV_ADD | flags));
468 S_version_check_key(aTHX_ cv, "qv", 2);