| 1 | /* -*- buffer-read-only: t -*- |
| 2 | !!!!!!! DO NOT EDIT THIS FILE !!!!!!! |
| 3 | This file is built by regen/feature.pl. |
| 4 | Any changes made here will be lost! |
| 5 | */ |
| 6 | |
| 7 | |
| 8 | #ifndef PERL_FEATURE_H_ |
| 9 | #define PERL_FEATURE_H_ |
| 10 | |
| 11 | #if defined(PERL_CORE) || defined (PERL_EXT) |
| 12 | |
| 13 | #define HINT_FEATURE_SHIFT 26 |
| 14 | |
| 15 | #define FEATURE_BITWISE_BIT 0x0001 |
| 16 | #define FEATURE___SUB___BIT 0x0002 |
| 17 | #define FEATURE_MYREF_BIT 0x0004 |
| 18 | #define FEATURE_EVALBYTES_BIT 0x0008 |
| 19 | #define FEATURE_FC_BIT 0x0010 |
| 20 | #define FEATURE_INDIRECT_BIT 0x0020 |
| 21 | #define FEATURE_ISA_BIT 0x0040 |
| 22 | #define FEATURE_MULTIDIMENSIONAL_BIT 0x0080 |
| 23 | #define FEATURE_POSTDEREF_QQ_BIT 0x0100 |
| 24 | #define FEATURE_REFALIASING_BIT 0x0200 |
| 25 | #define FEATURE_SAY_BIT 0x0400 |
| 26 | #define FEATURE_SIGNATURES_BIT 0x0800 |
| 27 | #define FEATURE_STATE_BIT 0x1000 |
| 28 | #define FEATURE_SWITCH_BIT 0x2000 |
| 29 | #define FEATURE_UNIEVAL_BIT 0x4000 |
| 30 | #define FEATURE_UNICODE_BIT 0x8000 |
| 31 | |
| 32 | #define FEATURE_BUNDLE_DEFAULT 0 |
| 33 | #define FEATURE_BUNDLE_510 1 |
| 34 | #define FEATURE_BUNDLE_511 2 |
| 35 | #define FEATURE_BUNDLE_515 3 |
| 36 | #define FEATURE_BUNDLE_523 4 |
| 37 | #define FEATURE_BUNDLE_527 5 |
| 38 | #define FEATURE_BUNDLE_CUSTOM (HINT_FEATURE_MASK >> HINT_FEATURE_SHIFT) |
| 39 | |
| 40 | #define CURRENT_HINTS \ |
| 41 | (PL_curcop == &PL_compiling ? PL_hints : PL_curcop->cop_hints) |
| 42 | #define CURRENT_FEATURE_BUNDLE \ |
| 43 | ((CURRENT_HINTS & HINT_FEATURE_MASK) >> HINT_FEATURE_SHIFT) |
| 44 | |
| 45 | #define FEATURE_IS_ENABLED_MASK(mask) \ |
| 46 | ((CURRENT_HINTS & HINT_LOCALIZE_HH) \ |
| 47 | ? (PL_curcop->cop_features & (mask)) : FALSE) |
| 48 | |
| 49 | /* The longest string we pass in. */ |
| 50 | #define MAX_FEATURE_LEN (sizeof("multidimensional")-1) |
| 51 | |
| 52 | #define FEATURE_FC_IS_ENABLED \ |
| 53 | ( \ |
| 54 | (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \ |
| 55 | CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \ |
| 56 | || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \ |
| 57 | FEATURE_IS_ENABLED_MASK(FEATURE_FC_BIT)) \ |
| 58 | ) |
| 59 | |
| 60 | #define FEATURE_ISA_IS_ENABLED \ |
| 61 | ( \ |
| 62 | CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \ |
| 63 | FEATURE_IS_ENABLED_MASK(FEATURE_ISA_BIT) \ |
| 64 | ) |
| 65 | |
| 66 | #define FEATURE_SAY_IS_ENABLED \ |
| 67 | ( \ |
| 68 | (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \ |
| 69 | CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \ |
| 70 | || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \ |
| 71 | FEATURE_IS_ENABLED_MASK(FEATURE_SAY_BIT)) \ |
| 72 | ) |
| 73 | |
| 74 | #define FEATURE_STATE_IS_ENABLED \ |
| 75 | ( \ |
| 76 | (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \ |
| 77 | CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \ |
| 78 | || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \ |
| 79 | FEATURE_IS_ENABLED_MASK(FEATURE_STATE_BIT)) \ |
| 80 | ) |
| 81 | |
| 82 | #define FEATURE_SWITCH_IS_ENABLED \ |
| 83 | ( \ |
| 84 | (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_510 && \ |
| 85 | CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \ |
| 86 | || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \ |
| 87 | FEATURE_IS_ENABLED_MASK(FEATURE_SWITCH_BIT)) \ |
| 88 | ) |
| 89 | |
| 90 | #define FEATURE_BITWISE_IS_ENABLED \ |
| 91 | ( \ |
| 92 | CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_527 \ |
| 93 | || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \ |
| 94 | FEATURE_IS_ENABLED_MASK(FEATURE_BITWISE_BIT)) \ |
| 95 | ) |
| 96 | |
| 97 | #define FEATURE_INDIRECT_IS_ENABLED \ |
| 98 | ( \ |
| 99 | CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527 \ |
| 100 | || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \ |
| 101 | FEATURE_IS_ENABLED_MASK(FEATURE_INDIRECT_BIT)) \ |
| 102 | ) |
| 103 | |
| 104 | #define FEATURE_EVALBYTES_IS_ENABLED \ |
| 105 | ( \ |
| 106 | (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \ |
| 107 | CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \ |
| 108 | || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \ |
| 109 | FEATURE_IS_ENABLED_MASK(FEATURE_EVALBYTES_BIT)) \ |
| 110 | ) |
| 111 | |
| 112 | #define FEATURE_SIGNATURES_IS_ENABLED \ |
| 113 | ( \ |
| 114 | CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \ |
| 115 | FEATURE_IS_ENABLED_MASK(FEATURE_SIGNATURES_BIT) \ |
| 116 | ) |
| 117 | |
| 118 | #define FEATURE___SUB___IS_ENABLED \ |
| 119 | ( \ |
| 120 | (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \ |
| 121 | CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \ |
| 122 | || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \ |
| 123 | FEATURE_IS_ENABLED_MASK(FEATURE___SUB___BIT)) \ |
| 124 | ) |
| 125 | |
| 126 | #define FEATURE_REFALIASING_IS_ENABLED \ |
| 127 | ( \ |
| 128 | CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \ |
| 129 | FEATURE_IS_ENABLED_MASK(FEATURE_REFALIASING_BIT) \ |
| 130 | ) |
| 131 | |
| 132 | #define FEATURE_POSTDEREF_QQ_IS_ENABLED \ |
| 133 | ( \ |
| 134 | (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_523 && \ |
| 135 | CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \ |
| 136 | || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \ |
| 137 | FEATURE_IS_ENABLED_MASK(FEATURE_POSTDEREF_QQ_BIT)) \ |
| 138 | ) |
| 139 | |
| 140 | #define FEATURE_UNIEVAL_IS_ENABLED \ |
| 141 | ( \ |
| 142 | (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_515 && \ |
| 143 | CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \ |
| 144 | || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \ |
| 145 | FEATURE_IS_ENABLED_MASK(FEATURE_UNIEVAL_BIT)) \ |
| 146 | ) |
| 147 | |
| 148 | #define FEATURE_MYREF_IS_ENABLED \ |
| 149 | ( \ |
| 150 | CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \ |
| 151 | FEATURE_IS_ENABLED_MASK(FEATURE_MYREF_BIT) \ |
| 152 | ) |
| 153 | |
| 154 | #define FEATURE_UNICODE_IS_ENABLED \ |
| 155 | ( \ |
| 156 | (CURRENT_FEATURE_BUNDLE >= FEATURE_BUNDLE_511 && \ |
| 157 | CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527) \ |
| 158 | || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \ |
| 159 | FEATURE_IS_ENABLED_MASK(FEATURE_UNICODE_BIT)) \ |
| 160 | ) |
| 161 | |
| 162 | #define FEATURE_MULTIDIMENSIONAL_IS_ENABLED \ |
| 163 | ( \ |
| 164 | CURRENT_FEATURE_BUNDLE <= FEATURE_BUNDLE_527 \ |
| 165 | || (CURRENT_FEATURE_BUNDLE == FEATURE_BUNDLE_CUSTOM && \ |
| 166 | FEATURE_IS_ENABLED_MASK(FEATURE_MULTIDIMENSIONAL_BIT)) \ |
| 167 | ) |
| 168 | |
| 169 | |
| 170 | #define SAVEFEATUREBITS() SAVEI32(PL_compiling.cop_features) |
| 171 | |
| 172 | #define CLEARFEATUREBITS() (PL_compiling.cop_features = 0) |
| 173 | |
| 174 | #define STOREFEATUREBITSHH(hh) \ |
| 175 | (hv_stores((hh), "feature/bits", newSVuv(PL_compiling.cop_features))) |
| 176 | |
| 177 | #define FETCHFEATUREBITSHH(hh) \ |
| 178 | STMT_START { \ |
| 179 | SV **fbsv = hv_fetchs((hh), "feature/bits", FALSE); \ |
| 180 | PL_compiling.cop_features = fbsv ? SvUV(*fbsv) : 0; \ |
| 181 | } STMT_END |
| 182 | |
| 183 | #endif /* PERL_CORE or PERL_EXT */ |
| 184 | |
| 185 | #ifdef PERL_IN_OP_C |
| 186 | PERL_STATIC_INLINE void |
| 187 | S_enable_feature_bundle(pTHX_ SV *ver) |
| 188 | { |
| 189 | SV *comp_ver = sv_newmortal(); |
| 190 | PL_hints = (PL_hints &~ HINT_FEATURE_MASK) |
| 191 | | ( |
| 192 | (sv_setnv(comp_ver, 5.027), |
| 193 | vcmp(ver, upg_version(comp_ver, FALSE)) >= 0) |
| 194 | ? FEATURE_BUNDLE_527 : |
| 195 | (sv_setnv(comp_ver, 5.023), |
| 196 | vcmp(ver, upg_version(comp_ver, FALSE)) >= 0) |
| 197 | ? FEATURE_BUNDLE_523 : |
| 198 | (sv_setnv(comp_ver, 5.015), |
| 199 | vcmp(ver, upg_version(comp_ver, FALSE)) >= 0) |
| 200 | ? FEATURE_BUNDLE_515 : |
| 201 | (sv_setnv(comp_ver, 5.011), |
| 202 | vcmp(ver, upg_version(comp_ver, FALSE)) >= 0) |
| 203 | ? FEATURE_BUNDLE_511 : |
| 204 | (sv_setnv(comp_ver, 5.009005), |
| 205 | vcmp(ver, upg_version(comp_ver, FALSE)) >= 0) |
| 206 | ? FEATURE_BUNDLE_510 : |
| 207 | FEATURE_BUNDLE_DEFAULT |
| 208 | ) << HINT_FEATURE_SHIFT; |
| 209 | /* special case */ |
| 210 | assert(PL_curcop == &PL_compiling); |
| 211 | if (FEATURE_UNICODE_IS_ENABLED) PL_hints |= HINT_UNI_8_BIT; |
| 212 | else PL_hints &= ~HINT_UNI_8_BIT; |
| 213 | } |
| 214 | #endif /* PERL_IN_OP_C */ |
| 215 | |
| 216 | #ifdef PERL_IN_MG_C |
| 217 | |
| 218 | #define magic_sethint_feature(keysv, keypv, keylen, valsv, valbool) \ |
| 219 | S_magic_sethint_feature(aTHX_ (keysv), (keypv), (keylen), (valsv), (valbool)) |
| 220 | PERL_STATIC_INLINE void |
| 221 | S_magic_sethint_feature(pTHX_ SV *keysv, const char *keypv, STRLEN keylen, |
| 222 | SV *valsv, bool valbool) { |
| 223 | if (keysv) |
| 224 | keypv = SvPV_const(keysv, keylen); |
| 225 | |
| 226 | if (memBEGINs(keypv, keylen, "feature_")) { |
| 227 | const char *subf = keypv + (sizeof("feature_")-1); |
| 228 | U32 mask = 0; |
| 229 | switch (*subf) { |
| 230 | case '_': |
| 231 | if (keylen == sizeof("feature___SUB__")-1 |
| 232 | && memcmp(subf+1, "_SUB__", keylen - sizeof("feature_")) == 0) { |
| 233 | mask = FEATURE___SUB___BIT; |
| 234 | break; |
| 235 | } |
| 236 | return; |
| 237 | |
| 238 | case 'b': |
| 239 | if (keylen == sizeof("feature_bitwise")-1 |
| 240 | && memcmp(subf+1, "itwise", keylen - sizeof("feature_")) == 0) { |
| 241 | mask = FEATURE_BITWISE_BIT; |
| 242 | break; |
| 243 | } |
| 244 | return; |
| 245 | |
| 246 | case 'e': |
| 247 | if (keylen == sizeof("feature_evalbytes")-1 |
| 248 | && memcmp(subf+1, "valbytes", keylen - sizeof("feature_")) == 0) { |
| 249 | mask = FEATURE_EVALBYTES_BIT; |
| 250 | break; |
| 251 | } |
| 252 | return; |
| 253 | |
| 254 | case 'f': |
| 255 | if (keylen == sizeof("feature_fc")-1 |
| 256 | && memcmp(subf+1, "c", keylen - sizeof("feature_")) == 0) { |
| 257 | mask = FEATURE_FC_BIT; |
| 258 | break; |
| 259 | } |
| 260 | return; |
| 261 | |
| 262 | case 'i': |
| 263 | if (keylen == sizeof("feature_indirect")-1 |
| 264 | && memcmp(subf+1, "ndirect", keylen - sizeof("feature_")) == 0) { |
| 265 | mask = FEATURE_INDIRECT_BIT; |
| 266 | break; |
| 267 | } |
| 268 | else if (keylen == sizeof("feature_isa")-1 |
| 269 | && memcmp(subf+1, "sa", keylen - sizeof("feature_")) == 0) { |
| 270 | mask = FEATURE_ISA_BIT; |
| 271 | break; |
| 272 | } |
| 273 | return; |
| 274 | |
| 275 | case 'm': |
| 276 | if (keylen == sizeof("feature_multidimensional")-1 |
| 277 | && memcmp(subf+1, "ultidimensional", keylen - sizeof("feature_")) == 0) { |
| 278 | mask = FEATURE_MULTIDIMENSIONAL_BIT; |
| 279 | break; |
| 280 | } |
| 281 | else if (keylen == sizeof("feature_myref")-1 |
| 282 | && memcmp(subf+1, "yref", keylen - sizeof("feature_")) == 0) { |
| 283 | mask = FEATURE_MYREF_BIT; |
| 284 | break; |
| 285 | } |
| 286 | return; |
| 287 | |
| 288 | case 'p': |
| 289 | if (keylen == sizeof("feature_postderef_qq")-1 |
| 290 | && memcmp(subf+1, "ostderef_qq", keylen - sizeof("feature_")) == 0) { |
| 291 | mask = FEATURE_POSTDEREF_QQ_BIT; |
| 292 | break; |
| 293 | } |
| 294 | return; |
| 295 | |
| 296 | case 'r': |
| 297 | if (keylen == sizeof("feature_refaliasing")-1 |
| 298 | && memcmp(subf+1, "efaliasing", keylen - sizeof("feature_")) == 0) { |
| 299 | mask = FEATURE_REFALIASING_BIT; |
| 300 | break; |
| 301 | } |
| 302 | return; |
| 303 | |
| 304 | case 's': |
| 305 | if (keylen == sizeof("feature_say")-1 |
| 306 | && memcmp(subf+1, "ay", keylen - sizeof("feature_")) == 0) { |
| 307 | mask = FEATURE_SAY_BIT; |
| 308 | break; |
| 309 | } |
| 310 | else if (keylen == sizeof("feature_signatures")-1 |
| 311 | && memcmp(subf+1, "ignatures", keylen - sizeof("feature_")) == 0) { |
| 312 | mask = FEATURE_SIGNATURES_BIT; |
| 313 | break; |
| 314 | } |
| 315 | else if (keylen == sizeof("feature_state")-1 |
| 316 | && memcmp(subf+1, "tate", keylen - sizeof("feature_")) == 0) { |
| 317 | mask = FEATURE_STATE_BIT; |
| 318 | break; |
| 319 | } |
| 320 | else if (keylen == sizeof("feature_switch")-1 |
| 321 | && memcmp(subf+1, "witch", keylen - sizeof("feature_")) == 0) { |
| 322 | mask = FEATURE_SWITCH_BIT; |
| 323 | break; |
| 324 | } |
| 325 | return; |
| 326 | |
| 327 | case 'u': |
| 328 | if (keylen == sizeof("feature_unicode")-1 |
| 329 | && memcmp(subf+1, "nicode", keylen - sizeof("feature_")) == 0) { |
| 330 | mask = FEATURE_UNICODE_BIT; |
| 331 | break; |
| 332 | } |
| 333 | else if (keylen == sizeof("feature_unieval")-1 |
| 334 | && memcmp(subf+1, "nieval", keylen - sizeof("feature_")) == 0) { |
| 335 | mask = FEATURE_UNIEVAL_BIT; |
| 336 | break; |
| 337 | } |
| 338 | return; |
| 339 | |
| 340 | default: |
| 341 | return; |
| 342 | } |
| 343 | if (valsv ? SvTRUE(valsv) : valbool) |
| 344 | PL_compiling.cop_features |= mask; |
| 345 | else |
| 346 | PL_compiling.cop_features &= ~mask; |
| 347 | } |
| 348 | } |
| 349 | #endif /* PERL_IN_MG_C */ |
| 350 | |
| 351 | #endif /* PERL_FEATURE_H_ */ |
| 352 | |
| 353 | /* ex: set ro: */ |