1 /* This file is part of the "version" CPAN distribution. Please avoid 2 editing it in the perl core. */ 3 4 #ifndef PERL_CORE 5 # include "ppport.h" 6 #endif 7 8 /* The MUTABLE_*() macros cast pointers to the types shown, in such a way 9 * (compiler permitting) that casting away const-ness will give a warning; 10 * e.g.: 11 * 12 * const SV *sv = ...; 13 * AV *av1 = (AV*)sv; <== BAD: the const has been silently cast away 14 * AV *av2 = MUTABLE_AV(sv); <== GOOD: it may warn 15 */ 16 17 #ifndef MUTABLE_PTR 18 # if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) 19 # define MUTABLE_PTR(p) ({ void *_p = (p); _p; }) 20 # else 21 # define MUTABLE_PTR(p) ((void *) (p)) 22 # endif 23 24 # define MUTABLE_AV(p) ((AV *)MUTABLE_PTR(p)) 25 # define MUTABLE_CV(p) ((CV *)MUTABLE_PTR(p)) 26 # define MUTABLE_GV(p) ((GV *)MUTABLE_PTR(p)) 27 # define MUTABLE_HV(p) ((HV *)MUTABLE_PTR(p)) 28 # define MUTABLE_IO(p) ((IO *)MUTABLE_PTR(p)) 29 # define MUTABLE_SV(p) ((SV *)MUTABLE_PTR(p)) 30 #endif 31 32 #ifndef SvPVx_nolen_const 33 # if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) 34 # define SvPVx_nolen_const(sv) ({SV *_sv = (sv); SvPV_nolen_const(_sv); }) 35 # else 36 # define SvPVx_nolen_const(sv) (SvPV_nolen_const(sv)) 37 # endif 38 #endif 39 40 #ifndef PERL_ARGS_ASSERT_CK_WARNER 41 static void Perl_ck_warner(pTHX_ U32 err, const char* pat, ...); 42 43 # ifdef vwarner 44 static 45 void 46 Perl_ck_warner(pTHX_ U32 err, const char* pat, ...) 47 { 48 va_list args; 49 50 PERL_UNUSED_ARG(err); 51 if (ckWARN(err)) { 52 va_list args; 53 va_start(args, pat); 54 vwarner(err, pat, &args); 55 va_end(args); 56 } 57 } 58 # else 59 /* yes this replicates my_warner */ 60 static 61 void 62 Perl_ck_warner(pTHX_ U32 err, const char* pat, ...) 63 { 64 SV *sv; 65 va_list args; 66 67 PERL_UNUSED_ARG(err); 68 69 va_start(args, pat); 70 sv = vnewSVpvf(pat, &args); 71 va_end(args); 72 sv_2mortal(sv); 73 warn("%s", SvPV_nolen(sv)); 74 } 75 # endif 76 #endif 77 78 #define PERL_VERSION_DECIMAL(r,v,s) (r*1000000 + v*1000 + s) 79 #define PERL_DECIMAL_VERSION \ 80 PERL_VERSION_DECIMAL(PERL_REVISION,PERL_VERSION,PERL_SUBVERSION) 81 #define PERL_VERSION_LT(r,v,s) \ 82 (PERL_DECIMAL_VERSION < PERL_VERSION_DECIMAL(r,v,s)) 83 #define PERL_VERSION_GE(r,v,s) \ 84 (PERL_DECIMAL_VERSION >= PERL_VERSION_DECIMAL(r,v,s)) 85 86 #if PERL_VERSION_LT(5,15,4) 87 # define ISA_VERSION_OBJ(v) (sv_isobject(v) && sv_derived_from(v,"version")) 88 #else 89 # define ISA_VERSION_OBJ(v) (sv_isobject(v) && sv_derived_from_pvn(v,"version",7,0)) 90 #endif 91 92 93 #ifndef PERL_ARGS_ASSERT_CROAK_XS_USAGE 94 #define PERL_ARGS_ASSERT_CROAK_XS_USAGE assert(cv); assert(params) 95 96 /* prototype to pass -Wmissing-prototypes */ 97 STATIC void 98 S_croak_xs_usage(pTHX_ const CV *const cv, const char *const params); 99 100 STATIC void 101 S_croak_xs_usage(pTHX_ const CV *const cv, const char *const params) 102 { 103 const GV *const gv = CvGV(cv); 104 105 PERL_ARGS_ASSERT_CROAK_XS_USAGE; 106 107 if (gv) { 108 const char *const gvname = GvNAME(gv); 109 const HV *const stash = GvSTASH(gv); 110 const char *const hvname = stash ? HvNAME(stash) : NULL; 111 112 if (hvname) 113 Perl_croak_nocontext("Usage: %s::%s(%s)", hvname, gvname, params); 114 else 115 Perl_croak_nocontext("Usage: %s(%s)", gvname, params); 116 } else { 117 /* Pants. I don't think that it should be possible to get here. */ 118 Perl_croak_nocontext("Usage: CODE(0x%" UVxf ")(%s)", PTR2UV(cv), params); 119 } 120 } 121 122 #ifdef PERL_IMPLICIT_CONTEXT 123 #define croak_xs_usage(a,b) S_croak_xs_usage(aTHX_ a,b) 124 #else 125 #define croak_xs_usage S_croak_xs_usage 126 #endif 127 128 #endif 129 130 #if PERL_VERSION_GE(5,9,0) && !defined(PERL_CORE) 131 132 # define VUTIL_REPLACE_CORE 1 133 134 static const char * Perl_scan_version2(pTHX_ const char *s, SV *rv, bool qv); 135 static SV * Perl_new_version2(pTHX_ SV *ver); 136 static SV * Perl_upg_version2(pTHX_ SV *sv, bool qv); 137 static SV * Perl_vstringify2(pTHX_ SV *vs); 138 static SV * Perl_vverify2(pTHX_ SV *vs); 139 static SV * Perl_vnumify2(pTHX_ SV *vs); 140 static SV * Perl_vnormal2(pTHX_ SV *vs); 141 static SV * Perl_vstringify2(pTHX_ SV *vs); 142 static int Perl_vcmp2(pTHX_ SV *lsv, SV *rsv); 143 static const char * Perl_prescan_version2(pTHX_ const char *s, bool strict, const char** errstr, bool *sqv, int *ssaw_decimal, int *swidth, bool *salpha); 144 145 # define SCAN_VERSION(a,b,c) Perl_scan_version2(aTHX_ a,b,c) 146 # define NEW_VERSION(a) Perl_new_version2(aTHX_ a) 147 # define UPG_VERSION(a,b) Perl_upg_version2(aTHX_ a, b) 148 # define VSTRINGIFY(a) Perl_vstringify2(aTHX_ a) 149 # define VVERIFY(a) Perl_vverify2(aTHX_ a) 150 # define VNUMIFY(a) Perl_vnumify2(aTHX_ a) 151 # define VNORMAL(a) Perl_vnormal2(aTHX_ a) 152 # define VCMP(a,b) Perl_vcmp2(aTHX_ a,b) 153 # define PRESCAN_VERSION(a,b,c,d,e,f,g) Perl_prescan_version2(aTHX_ a,b,c,d,e,f,g) 154 # undef is_LAX_VERSION 155 # define is_LAX_VERSION(a,b) \ 156 (a != Perl_prescan_version2(aTHX_ a, FALSE, b, NULL, NULL, NULL, NULL)) 157 # undef is_STRICT_VERSION 158 # define is_STRICT_VERSION(a,b) \ 159 (a != Perl_prescan_version2(aTHX_ a, TRUE, b, NULL, NULL, NULL, NULL)) 160 161 #else 162 163 const char * Perl_scan_version(pTHX_ const char *s, SV *rv, bool qv); 164 SV * Perl_new_version(pTHX_ SV *ver); 165 SV * Perl_upg_version(pTHX_ SV *sv, bool qv); 166 SV * Perl_vverify(pTHX_ SV *vs); 167 SV * Perl_vnumify(pTHX_ SV *vs); 168 SV * Perl_vnormal(pTHX_ SV *vs); 169 SV * Perl_vstringify(pTHX_ SV *vs); 170 int Perl_vcmp(pTHX_ SV *lsv, SV *rsv); 171 const char * Perl_prescan_version(pTHX_ const char *s, bool strict, const char** errstr, bool *sqv, int *ssaw_decimal, int *swidth, bool *salpha); 172 173 # define SCAN_VERSION(a,b,c) Perl_scan_version(aTHX_ a,b,c) 174 # define NEW_VERSION(a) Perl_new_version(aTHX_ a) 175 # define UPG_VERSION(a,b) Perl_upg_version(aTHX_ a, b) 176 # define VSTRINGIFY(a) Perl_vstringify(aTHX_ a) 177 # define VVERIFY(a) Perl_vverify(aTHX_ a) 178 # define VNUMIFY(a) Perl_vnumify(aTHX_ a) 179 # define VNORMAL(a) Perl_vnormal(aTHX_ a) 180 # define VCMP(a,b) Perl_vcmp(aTHX_ a,b) 181 182 # define PRESCAN_VERSION(a,b,c,d,e,f,g) Perl_prescan_version(aTHX_ a,b,c,d,e,f,g) 183 # ifndef is_LAX_VERSION 184 # define is_LAX_VERSION(a,b) \ 185 (a != Perl_prescan_version(aTHX_ a, FALSE, b, NULL, NULL, NULL, NULL)) 186 # endif 187 # ifndef is_STRICT_VERSION 188 # define is_STRICT_VERSION(a,b) \ 189 (a != Perl_prescan_version(aTHX_ a, TRUE, b, NULL, NULL, NULL, NULL)) 190 # endif 191 192 #endif 193 194 #if PERL_VERSION_LT(5,11,4) 195 # define BADVERSION(a,b,c) \ 196 if (b) { \ 197 *b = c; \ 198 } \ 199 return a; 200 201 # define PERL_ARGS_ASSERT_PRESCAN_VERSION \ 202 assert(s); assert(sqv); assert(ssaw_decimal);\ 203 assert(swidth); assert(salpha); 204 205 # define PERL_ARGS_ASSERT_SCAN_VERSION \ 206 assert(s); assert(rv) 207 # define PERL_ARGS_ASSERT_NEW_VERSION \ 208 assert(ver) 209 # define PERL_ARGS_ASSERT_UPG_VERSION \ 210 assert(ver) 211 # define PERL_ARGS_ASSERT_VVERIFY \ 212 assert(vs) 213 # define PERL_ARGS_ASSERT_VNUMIFY \ 214 assert(vs) 215 # define PERL_ARGS_ASSERT_VNORMAL \ 216 assert(vs) 217 # define PERL_ARGS_ASSERT_VSTRINGIFY \ 218 assert(vs) 219 # define PERL_ARGS_ASSERT_VCMP \ 220 assert(lhv); assert(rhv) 221 # define PERL_ARGS_ASSERT_CK_WARNER \ 222 assert(pat) 223 #endif 224 225 226 #if PERL_VERSION_LT(5,27,9) 227 # define LC_NUMERIC_LOCK 228 # define LC_NUMERIC_UNLOCK 229 # if PERL_VERSION_LT(5,19,0) 230 # undef STORE_LC_NUMERIC_SET_STANDARD 231 # undef RESTORE_LC_NUMERIC 232 # undef DECLARATION_FOR_LC_NUMERIC_MANIPULATION 233 # ifdef USE_LOCALE 234 # define DECLARATION_FOR_LC_NUMERIC_MANIPULATION char *loc 235 # define STORE_NUMERIC_SET_STANDARD()\ 236 loc = savepv(setlocale(LC_NUMERIC, NULL)); \ 237 SAVEFREEPV(loc); \ 238 setlocale(LC_NUMERIC, "C"); 239 # define RESTORE_LC_NUMERIC()\ 240 setlocale(LC_NUMERIC, loc); 241 # else 242 # define DECLARATION_FOR_LC_NUMERIC_MANIPULATION 243 # define STORE_LC_NUMERIC_SET_STANDARD() 244 # define RESTORE_LC_NUMERIC() 245 # endif 246 # endif 247 #endif 248 249 #ifndef LOCK_NUMERIC_STANDARD 250 # define LOCK_NUMERIC_STANDARD() 251 #endif 252 253 #ifndef UNLOCK_NUMERIC_STANDARD 254 # define UNLOCK_NUMERIC_STANDARD() 255 #endif 256 257 /* The names of these changed in 5.28 */ 258 #ifndef LOCK_LC_NUMERIC_STANDARD 259 # define LOCK_LC_NUMERIC_STANDARD() LOCK_NUMERIC_STANDARD() 260 #endif 261 #ifndef UNLOCK_LC_NUMERIC_STANDARD 262 # define UNLOCK_LC_NUMERIC_STANDARD() UNLOCK_NUMERIC_STANDARD() 263 #endif 264 265 /* ex: set ro: */ 266