paul@293 | 1 | #include <stdlib.h> /* abs, exit */ |
paul@173 | 2 | #include <unistd.h> /* read, write */ |
paul@198 | 3 | #include <math.h> /* ceil, log10, pow */ |
paul@209 | 4 | #include <string.h> /* strcmp, strncpy, strlen */ |
paul@198 | 5 | #include <stdio.h> /* snprintf */ |
paul@161 | 6 | #include "types.h" |
paul@161 | 7 | #include "exceptions.h" |
paul@161 | 8 | #include "ops.h" |
paul@161 | 9 | #include "progconsts.h" |
paul@161 | 10 | #include "progops.h" |
paul@161 | 11 | #include "progtypes.h" |
paul@161 | 12 | #include "main.h" |
paul@161 | 13 | |
paul@198 | 14 | /* Utility functions. */ |
paul@198 | 15 | |
paul@231 | 16 | static __attr __new_int(int i) |
paul@198 | 17 | { |
paul@198 | 18 | /* Create a new integer and mutate the __data__ attribute. */ |
paul@198 | 19 | __attr attr = __new(&__InstanceTable___builtins___int_int, &__builtins___int_int, sizeof(__obj___builtins___int_int)); |
paul@198 | 20 | attr.value->attrs[__pos___data__].intvalue = i; |
paul@198 | 21 | return attr; |
paul@198 | 22 | } |
paul@198 | 23 | |
paul@231 | 24 | static __attr __new_str(char *s) |
paul@198 | 25 | { |
paul@198 | 26 | /* Create a new string and mutate the __data__ attribute. */ |
paul@198 | 27 | __attr attr = __new(&__InstanceTable___builtins___str_string, &__builtins___str_string, sizeof(__obj___builtins___str_string)); |
paul@198 | 28 | attr.value->attrs[__pos___data__].strvalue = s; |
paul@198 | 29 | return attr; |
paul@198 | 30 | } |
paul@198 | 31 | |
paul@283 | 32 | static __attr __new_list(__fragment *f) |
paul@283 | 33 | { |
paul@283 | 34 | /* Create a new list and mutate the __data__ attribute. */ |
paul@283 | 35 | __attr attr = __new(&__InstanceTable___builtins___list_list, &__builtins___list_list, sizeof(__obj___builtins___list_list)); |
paul@283 | 36 | attr.value->attrs[__pos___data__].seqvalue = f; |
paul@283 | 37 | return attr; |
paul@283 | 38 | } |
paul@283 | 39 | |
paul@283 | 40 | static __fragment *__fragment_append(__fragment *data, __attr * const value) |
paul@283 | 41 | { |
paul@283 | 42 | __fragment *newdata = data; |
paul@283 | 43 | unsigned int size = data->size, capacity = data->capacity; |
paul@283 | 44 | unsigned int n; |
paul@283 | 45 | |
paul@283 | 46 | /* Re-allocate the fragment if the capacity has been reached. */ |
paul@283 | 47 | if (size >= capacity) |
paul@283 | 48 | { |
paul@283 | 49 | /* NOTE: Consider various restrictions on capacity increases. */ |
paul@283 | 50 | n = capacity ? capacity * 2 : 1; |
paul@283 | 51 | newdata = (__fragment *) __REALLOCATE(data, __FRAGMENT_SIZE(n)); |
paul@283 | 52 | newdata->capacity = n; |
paul@283 | 53 | } |
paul@283 | 54 | |
paul@283 | 55 | /* Insert the new element and increment the list size. */ |
paul@283 | 56 | newdata->attrs[size] = *value; |
paul@283 | 57 | newdata->size = size + 1; |
paul@283 | 58 | |
paul@283 | 59 | return newdata; |
paul@283 | 60 | } |
paul@283 | 61 | |
paul@167 | 62 | /* Native functions. */ |
paul@167 | 63 | |
paul@167 | 64 | __attr __fn_native__exit(__attr __args[]) |
paul@167 | 65 | { |
paul@208 | 66 | __attr * const status = &__args[1]; |
paul@167 | 67 | |
paul@208 | 68 | exit(__load_via_object(status->value, __pos___data__).intvalue); |
paul@167 | 69 | return __builtins___none_None; |
paul@167 | 70 | } |
paul@167 | 71 | |
paul@182 | 72 | __attr __fn_native__get_argv(__attr __args[]) |
paul@182 | 73 | { |
paul@208 | 74 | __attr * const status = &__args[1]; |
paul@182 | 75 | |
paul@182 | 76 | /* NOTE: To be written. */ |
paul@182 | 77 | return __builtins___none_None; |
paul@182 | 78 | } |
paul@182 | 79 | |
paul@182 | 80 | __attr __fn_native__get_path(__attr __args[]) |
paul@182 | 81 | { |
paul@208 | 82 | __attr * const status = &__args[1]; |
paul@182 | 83 | |
paul@182 | 84 | /* NOTE: To be written. */ |
paul@182 | 85 | return __builtins___none_None; |
paul@182 | 86 | } |
paul@182 | 87 | |
paul@161 | 88 | __attr __fn_native__is(__attr __args[]) |
paul@161 | 89 | { |
paul@208 | 90 | __attr * const x = &__args[1]; |
paul@208 | 91 | __attr * const y = &__args[2]; |
paul@161 | 92 | |
paul@208 | 93 | return x->value == y->value ? __builtins___boolean_True : __builtins___boolean_False; |
paul@161 | 94 | } |
paul@161 | 95 | |
paul@161 | 96 | __attr __fn_native__is_not(__attr __args[]) |
paul@161 | 97 | { |
paul@208 | 98 | __attr * const x = &__args[1]; |
paul@208 | 99 | __attr * const y = &__args[2]; |
paul@161 | 100 | |
paul@208 | 101 | return x->value != y->value ? __builtins___boolean_True : __builtins___boolean_False; |
paul@161 | 102 | } |
paul@161 | 103 | |
paul@161 | 104 | __attr __fn_native__int_add(__attr __args[]) |
paul@161 | 105 | { |
paul@303 | 106 | __attr * const _data = &__args[1]; |
paul@208 | 107 | __attr * const other = &__args[2]; |
paul@303 | 108 | /* _data and other interpreted as int */ |
paul@303 | 109 | int i = _data->intvalue; |
paul@303 | 110 | int j = other->intvalue; |
paul@161 | 111 | |
paul@198 | 112 | /* Return the new integer. */ |
paul@198 | 113 | /* NOTE: No overflow test applied. */ |
paul@198 | 114 | return __new_int(i + j); |
paul@161 | 115 | } |
paul@161 | 116 | |
paul@161 | 117 | __attr __fn_native__int_sub(__attr __args[]) |
paul@161 | 118 | { |
paul@303 | 119 | __attr * const _data = &__args[1]; |
paul@208 | 120 | __attr * const other = &__args[2]; |
paul@303 | 121 | /* _data and other interpreted as int */ |
paul@303 | 122 | int i = _data->intvalue; |
paul@303 | 123 | int j = other->intvalue; |
paul@161 | 124 | |
paul@198 | 125 | /* Return the new integer. */ |
paul@198 | 126 | /* NOTE: No overflow test applied. */ |
paul@198 | 127 | return __new_int(i - j); |
paul@161 | 128 | } |
paul@161 | 129 | |
paul@161 | 130 | __attr __fn_native__int_mul(__attr __args[]) |
paul@161 | 131 | { |
paul@303 | 132 | __attr * const _data = &__args[1]; |
paul@208 | 133 | __attr * const other = &__args[2]; |
paul@303 | 134 | /* _data and other interpreted as int */ |
paul@303 | 135 | int i = _data->intvalue; |
paul@303 | 136 | int j = other->intvalue; |
paul@161 | 137 | |
paul@198 | 138 | /* Return the new integer. */ |
paul@198 | 139 | /* NOTE: No overflow test applied. */ |
paul@198 | 140 | return __new_int(i * j); |
paul@161 | 141 | } |
paul@161 | 142 | |
paul@161 | 143 | __attr __fn_native__int_div(__attr __args[]) |
paul@161 | 144 | { |
paul@303 | 145 | __attr * const _data = &__args[1]; |
paul@208 | 146 | __attr * const other = &__args[2]; |
paul@303 | 147 | /* _data and other interpreted as int */ |
paul@303 | 148 | int i = _data->intvalue; |
paul@303 | 149 | int j = other->intvalue; |
paul@161 | 150 | |
paul@198 | 151 | /* Return the new integer. */ |
paul@198 | 152 | /* NOTE: No overflow test applied. */ |
paul@198 | 153 | return __new_int(i / j); |
paul@161 | 154 | } |
paul@161 | 155 | |
paul@161 | 156 | __attr __fn_native__int_mod(__attr __args[]) |
paul@161 | 157 | { |
paul@303 | 158 | __attr * const _data = &__args[1]; |
paul@208 | 159 | __attr * const other = &__args[2]; |
paul@303 | 160 | /* _data and other interpreted as int */ |
paul@303 | 161 | int i = _data->intvalue; |
paul@303 | 162 | int j = other->intvalue; |
paul@161 | 163 | |
paul@198 | 164 | /* Return the new integer. */ |
paul@198 | 165 | /* NOTE: No overflow test applied. */ |
paul@198 | 166 | return __new_int(i % j); |
paul@161 | 167 | } |
paul@161 | 168 | |
paul@207 | 169 | __attr __fn_native__int_neg(__attr __args[]) |
paul@207 | 170 | { |
paul@303 | 171 | __attr * const _data = &__args[1]; |
paul@303 | 172 | /* _data interpreted as int */ |
paul@303 | 173 | int i = _data->intvalue; |
paul@207 | 174 | |
paul@207 | 175 | /* Return the new integer. */ |
paul@207 | 176 | return __new_int(-i); |
paul@207 | 177 | } |
paul@207 | 178 | |
paul@161 | 179 | __attr __fn_native__int_pow(__attr __args[]) |
paul@161 | 180 | { |
paul@303 | 181 | __attr * const _data = &__args[1]; |
paul@208 | 182 | __attr * const other = &__args[2]; |
paul@303 | 183 | /* _data and other interpreted as int */ |
paul@303 | 184 | int i = _data->intvalue; |
paul@303 | 185 | int j = other->intvalue; |
paul@161 | 186 | |
paul@198 | 187 | /* Return the new integer. */ |
paul@198 | 188 | /* NOTE: No overflow test applied. */ |
paul@198 | 189 | return __new_int((int) pow(i, j)); |
paul@161 | 190 | } |
paul@161 | 191 | |
paul@161 | 192 | __attr __fn_native__int_and(__attr __args[]) |
paul@161 | 193 | { |
paul@303 | 194 | __attr * const _data = &__args[1]; |
paul@208 | 195 | __attr * const other = &__args[2]; |
paul@303 | 196 | /* _data and other interpreted as int */ |
paul@303 | 197 | int i = _data->intvalue; |
paul@303 | 198 | int j = other->intvalue; |
paul@161 | 199 | |
paul@198 | 200 | /* Return the new integer. */ |
paul@198 | 201 | /* NOTE: No overflow test applied. */ |
paul@198 | 202 | return __new_int(i & j); |
paul@161 | 203 | } |
paul@161 | 204 | |
paul@161 | 205 | __attr __fn_native__int_or(__attr __args[]) |
paul@161 | 206 | { |
paul@303 | 207 | __attr * const _data = &__args[1]; |
paul@208 | 208 | __attr * const other = &__args[2]; |
paul@303 | 209 | /* _data and other interpreted as int */ |
paul@303 | 210 | int i = _data->intvalue; |
paul@303 | 211 | int j = other->intvalue; |
paul@161 | 212 | |
paul@198 | 213 | /* Return the new integer. */ |
paul@198 | 214 | /* NOTE: No overflow test applied. */ |
paul@198 | 215 | return __new_int(i | j); |
paul@161 | 216 | } |
paul@161 | 217 | |
paul@161 | 218 | __attr __fn_native__int_xor(__attr __args[]) |
paul@161 | 219 | { |
paul@303 | 220 | __attr * const _data = &__args[1]; |
paul@208 | 221 | __attr * const other = &__args[2]; |
paul@303 | 222 | /* _data and other interpreted as int */ |
paul@303 | 223 | int i = _data->intvalue; |
paul@303 | 224 | int j = other->intvalue; |
paul@161 | 225 | |
paul@198 | 226 | /* Return the new integer. */ |
paul@198 | 227 | /* NOTE: No overflow test applied. */ |
paul@198 | 228 | return __new_int(i ^ j); |
paul@161 | 229 | } |
paul@161 | 230 | |
paul@161 | 231 | __attr __fn_native__int_lt(__attr __args[]) |
paul@161 | 232 | { |
paul@303 | 233 | __attr * const _data = &__args[1]; |
paul@208 | 234 | __attr * const other = &__args[2]; |
paul@303 | 235 | /* _data and other interpreted as int */ |
paul@303 | 236 | int i = _data->intvalue; |
paul@303 | 237 | int j = other->intvalue; |
paul@161 | 238 | |
paul@198 | 239 | /* Return a boolean result. */ |
paul@198 | 240 | return i < j ? __builtins___boolean_True : __builtins___boolean_False; |
paul@161 | 241 | } |
paul@161 | 242 | |
paul@161 | 243 | __attr __fn_native__int_gt(__attr __args[]) |
paul@161 | 244 | { |
paul@303 | 245 | __attr * const _data = &__args[1]; |
paul@208 | 246 | __attr * const other = &__args[2]; |
paul@303 | 247 | /* _data and other interpreted as int */ |
paul@303 | 248 | int i = _data->intvalue; |
paul@303 | 249 | int j = other->intvalue; |
paul@161 | 250 | |
paul@198 | 251 | /* Return a boolean result. */ |
paul@198 | 252 | return i > j ? __builtins___boolean_True : __builtins___boolean_False; |
paul@161 | 253 | } |
paul@161 | 254 | |
paul@161 | 255 | __attr __fn_native__int_eq(__attr __args[]) |
paul@161 | 256 | { |
paul@303 | 257 | __attr * const _data = &__args[1]; |
paul@208 | 258 | __attr * const other = &__args[2]; |
paul@303 | 259 | /* _data and other interpreted as int */ |
paul@303 | 260 | int i = _data->intvalue; |
paul@303 | 261 | int j = other->intvalue; |
paul@161 | 262 | |
paul@198 | 263 | /* Return a boolean result. */ |
paul@198 | 264 | return i == j ? __builtins___boolean_True : __builtins___boolean_False; |
paul@198 | 265 | } |
paul@198 | 266 | |
paul@198 | 267 | __attr __fn_native__int_ne(__attr __args[]) |
paul@198 | 268 | { |
paul@303 | 269 | __attr * const _data = &__args[1]; |
paul@208 | 270 | __attr * const other = &__args[2]; |
paul@303 | 271 | /* _data and other interpreted as int */ |
paul@303 | 272 | int i = _data->intvalue; |
paul@303 | 273 | int j = other->intvalue; |
paul@198 | 274 | |
paul@198 | 275 | /* Return a boolean result. */ |
paul@198 | 276 | return i != j ? __builtins___boolean_True : __builtins___boolean_False; |
paul@198 | 277 | } |
paul@198 | 278 | |
paul@198 | 279 | __attr __fn_native__int_str(__attr __args[]) |
paul@198 | 280 | { |
paul@303 | 281 | __attr * const _data = &__args[1]; |
paul@303 | 282 | /* _data interpreted as int */ |
paul@303 | 283 | int i = _data->intvalue; |
paul@293 | 284 | int n = i != 0 ? (int) ceil(log10(abs(i)+1)) + 1 : 2; |
paul@260 | 285 | char *s = (char *) __ALLOCATE(n, sizeof(char)); |
paul@198 | 286 | |
paul@198 | 287 | if (i < 0) n++; |
paul@198 | 288 | snprintf(s, n, "%d", i); |
paul@198 | 289 | |
paul@198 | 290 | /* Return a new string. */ |
paul@198 | 291 | return __new_str(s); |
paul@161 | 292 | } |
paul@161 | 293 | |
paul@161 | 294 | __attr __fn_native__str_add(__attr __args[]) |
paul@161 | 295 | { |
paul@303 | 296 | __attr * const _data = &__args[1]; |
paul@208 | 297 | __attr * const other = &__args[2]; |
paul@303 | 298 | /* _data, other interpreted as string */ |
paul@303 | 299 | char *s = _data->strvalue; |
paul@303 | 300 | char *o = other->strvalue; |
paul@198 | 301 | int n = strlen(s) + strlen(o) + 1; |
paul@260 | 302 | char *r = (char *) __ALLOCATE(n, sizeof(char)); |
paul@161 | 303 | |
paul@198 | 304 | strncpy(r, s, n); |
paul@292 | 305 | strncpy(r + strlen(s), o, n - strlen(s)); /* should null terminate */ |
paul@198 | 306 | |
paul@198 | 307 | /* Return a new string. */ |
paul@198 | 308 | return __new_str(r); |
paul@161 | 309 | } |
paul@161 | 310 | |
paul@161 | 311 | __attr __fn_native__str_lt(__attr __args[]) |
paul@161 | 312 | { |
paul@303 | 313 | __attr * const _data = &__args[1]; |
paul@208 | 314 | __attr * const other = &__args[2]; |
paul@303 | 315 | /* _data, other interpreted as string */ |
paul@303 | 316 | char *s = _data->strvalue; |
paul@303 | 317 | char *o = other->strvalue; |
paul@161 | 318 | |
paul@198 | 319 | /* NOTE: Using simple byte-level string operations. */ |
paul@198 | 320 | return strcmp(s, o) < 0 ? __builtins___boolean_True : __builtins___boolean_False; |
paul@161 | 321 | } |
paul@161 | 322 | |
paul@161 | 323 | __attr __fn_native__str_gt(__attr __args[]) |
paul@161 | 324 | { |
paul@303 | 325 | __attr * const _data = &__args[1]; |
paul@208 | 326 | __attr * const other = &__args[2]; |
paul@303 | 327 | /* _data, other interpreted as string */ |
paul@303 | 328 | char *s = _data->strvalue; |
paul@303 | 329 | char *o = other->strvalue; |
paul@161 | 330 | |
paul@198 | 331 | /* NOTE: Using simple byte-level string operations. */ |
paul@198 | 332 | return strcmp(s, o) > 0 ? __builtins___boolean_True : __builtins___boolean_False; |
paul@161 | 333 | } |
paul@161 | 334 | |
paul@161 | 335 | __attr __fn_native__str_eq(__attr __args[]) |
paul@161 | 336 | { |
paul@303 | 337 | __attr * const _data = &__args[1]; |
paul@208 | 338 | __attr * const other = &__args[2]; |
paul@303 | 339 | /* _data, other interpreted as string */ |
paul@303 | 340 | char *s = _data->strvalue; |
paul@303 | 341 | char *o = other->strvalue; |
paul@161 | 342 | |
paul@198 | 343 | /* NOTE: Using simple byte-level string operations. */ |
paul@198 | 344 | return strcmp(s, o) == 0 ? __builtins___boolean_True : __builtins___boolean_False; |
paul@161 | 345 | } |
paul@161 | 346 | |
paul@161 | 347 | __attr __fn_native__str_len(__attr __args[]) |
paul@161 | 348 | { |
paul@303 | 349 | __attr * const _data = &__args[1]; |
paul@303 | 350 | /* _data interpreted as string */ |
paul@303 | 351 | char *s = _data->strvalue; |
paul@161 | 352 | |
paul@198 | 353 | /* Return the new integer. */ |
paul@198 | 354 | return __new_int(strlen(s)); |
paul@161 | 355 | } |
paul@161 | 356 | |
paul@161 | 357 | __attr __fn_native__str_nonempty(__attr __args[]) |
paul@161 | 358 | { |
paul@303 | 359 | __attr * const _data = &__args[1]; |
paul@303 | 360 | /* _data interpreted as string */ |
paul@303 | 361 | char *s = _data->strvalue; |
paul@161 | 362 | |
paul@198 | 363 | return strlen(s) ? __builtins___boolean_True : __builtins___boolean_False; |
paul@161 | 364 | } |
paul@161 | 365 | |
paul@296 | 366 | __attr __fn_native__str_ord(__attr __args[]) |
paul@296 | 367 | { |
paul@303 | 368 | __attr * const _data = &__args[1]; |
paul@303 | 369 | /* _data interpreted as string */ |
paul@303 | 370 | char *s = _data->strvalue; |
paul@296 | 371 | |
paul@296 | 372 | return __new_int((unsigned int) s[0]); |
paul@296 | 373 | } |
paul@296 | 374 | |
paul@292 | 375 | __attr __fn_native__str_substr(__attr __args[]) |
paul@292 | 376 | { |
paul@303 | 377 | __attr * const _data = &__args[1]; |
paul@292 | 378 | __attr * const start = &__args[2]; |
paul@292 | 379 | __attr * const size = &__args[3]; |
paul@303 | 380 | /* _data interpreted as string */ |
paul@303 | 381 | char *s = _data->strvalue, *sub; |
paul@292 | 382 | /* start.__data__ interpreted as int */ |
paul@292 | 383 | int i = __load_via_object(start->value, __pos___data__).intvalue; |
paul@292 | 384 | /* size.__data__ interpreted as int */ |
paul@292 | 385 | int l = __load_via_object(size->value, __pos___data__).intvalue; |
paul@292 | 386 | |
paul@292 | 387 | /* Reserve space for a new string. */ |
paul@292 | 388 | sub = (char *) __ALLOCATE(l + 1, sizeof(char)); |
paul@292 | 389 | strncpy(sub, s + i, l); /* does not null terminate but final byte should be zero */ |
paul@292 | 390 | return __new_str(sub); |
paul@292 | 391 | } |
paul@292 | 392 | |
paul@161 | 393 | __attr __fn_native__list_init(__attr __args[]) |
paul@161 | 394 | { |
paul@208 | 395 | __attr * const size = &__args[1]; |
paul@208 | 396 | /* size.__data__ interpreted as int */ |
paul@208 | 397 | unsigned int n = __load_via_object(size->value, __pos___data__).intvalue; |
paul@283 | 398 | __attr attr = {0, .seqvalue=__new_fragment(n)}; |
paul@206 | 399 | |
paul@283 | 400 | /* Return the __data__ attribute. */ |
paul@161 | 401 | return attr; |
paul@206 | 402 | } |
paul@206 | 403 | |
paul@227 | 404 | __attr __fn_native__list_setsize(__attr __args[]) |
paul@227 | 405 | { |
paul@303 | 406 | __attr * const _data = &__args[1]; |
paul@227 | 407 | __attr * const size = &__args[2]; |
paul@303 | 408 | /* _data interpreted as list */ |
paul@303 | 409 | __fragment *data = _data->seqvalue; |
paul@227 | 410 | /* size.__data__ interpreted as int */ |
paul@227 | 411 | unsigned int n = __load_via_object(size->value, __pos___data__).intvalue; |
paul@227 | 412 | |
paul@227 | 413 | data->size = n; |
paul@227 | 414 | return __builtins___none_None; |
paul@227 | 415 | } |
paul@227 | 416 | |
paul@206 | 417 | __attr __fn_native__list_append(__attr __args[]) |
paul@206 | 418 | { |
paul@208 | 419 | __attr * const self = &__args[1]; |
paul@208 | 420 | __attr * const value = &__args[2]; |
paul@206 | 421 | /* self.__data__ interpreted as list */ |
paul@280 | 422 | __fragment *data = __load_via_object(self->value, __pos___data__).seqvalue; |
paul@283 | 423 | __fragment *newdata = __fragment_append(data, value); |
paul@215 | 424 | |
paul@215 | 425 | /* Replace the __data__ attribute if appropriate. */ |
paul@215 | 426 | if (newdata != data) |
paul@280 | 427 | __store_via_object(self->value, __pos___data__, ((__attr) {0, .seqvalue=newdata})); |
paul@206 | 428 | return __builtins___none_None; |
paul@206 | 429 | } |
paul@206 | 430 | |
paul@206 | 431 | __attr __fn_native__list_concat(__attr __args[]) |
paul@206 | 432 | { |
paul@208 | 433 | __attr * const self = &__args[1]; |
paul@215 | 434 | __attr * const other = &__args[2]; |
paul@303 | 435 | /* self.__data__, other interpreted as list */ |
paul@280 | 436 | __fragment *data = __load_via_object(self->value, __pos___data__).seqvalue; |
paul@303 | 437 | __fragment *other_data = other->seqvalue; |
paul@215 | 438 | __fragment *newdata = data; |
paul@206 | 439 | unsigned int size = data->size, capacity = data->capacity; |
paul@206 | 440 | unsigned int other_size = other_data->size; |
paul@206 | 441 | unsigned int i, j, n; |
paul@206 | 442 | |
paul@206 | 443 | /* Re-allocate the fragment if the capacity has been reached. */ |
paul@206 | 444 | if (size + other_size >= capacity) |
paul@206 | 445 | { |
paul@206 | 446 | n = size + other_size; |
paul@260 | 447 | newdata = (__fragment *) __REALLOCATE(data, __FRAGMENT_SIZE(n)); |
paul@215 | 448 | newdata->capacity = n; |
paul@206 | 449 | } |
paul@206 | 450 | |
paul@206 | 451 | /* Copy the elements from the other list and increment the list size. */ |
paul@206 | 452 | for (i = size, j = 0; j < other_size; i++, j++) |
paul@215 | 453 | newdata->attrs[i] = other_data->attrs[j]; |
paul@215 | 454 | newdata->size = n; |
paul@215 | 455 | |
paul@215 | 456 | /* Replace the __data__ attribute if appropriate. */ |
paul@215 | 457 | if (newdata != data) |
paul@280 | 458 | __store_via_object(self->value, __pos___data__, ((__attr) {0, .seqvalue=newdata})); |
paul@206 | 459 | return __builtins___none_None; |
paul@161 | 460 | } |
paul@161 | 461 | |
paul@161 | 462 | __attr __fn_native__list_len(__attr __args[]) |
paul@161 | 463 | { |
paul@303 | 464 | __attr * const _data = &__args[1]; |
paul@303 | 465 | /* _data interpreted as fragment */ |
paul@303 | 466 | unsigned int size = _data->seqvalue->size; |
paul@161 | 467 | |
paul@182 | 468 | /* Return the new integer. */ |
paul@198 | 469 | return __new_int(size); |
paul@161 | 470 | } |
paul@161 | 471 | |
paul@161 | 472 | __attr __fn_native__list_nonempty(__attr __args[]) |
paul@161 | 473 | { |
paul@303 | 474 | __attr * const _data = &__args[1]; |
paul@161 | 475 | |
paul@303 | 476 | return _data->seqvalue->size ? __builtins___boolean_True : __builtins___boolean_False; |
paul@161 | 477 | } |
paul@161 | 478 | |
paul@161 | 479 | __attr __fn_native__list_element(__attr __args[]) |
paul@161 | 480 | { |
paul@303 | 481 | __attr * const _data = &__args[1]; |
paul@208 | 482 | __attr * const index = &__args[2]; |
paul@303 | 483 | /* _data interpreted as fragment */ |
paul@303 | 484 | __attr *elements = _data->seqvalue->attrs; |
paul@198 | 485 | /* index.__data__ interpreted as int */ |
paul@208 | 486 | int i = __load_via_object(index->value, __pos___data__).intvalue; |
paul@161 | 487 | |
paul@198 | 488 | return elements[i]; |
paul@161 | 489 | } |
paul@161 | 490 | |
paul@227 | 491 | __attr __fn_native__list_setelement(__attr __args[]) |
paul@161 | 492 | { |
paul@303 | 493 | __attr * const _data = &__args[1]; |
paul@227 | 494 | __attr * const index = &__args[2]; |
paul@227 | 495 | __attr * const value = &__args[3]; |
paul@303 | 496 | /* _data interpreted as fragment */ |
paul@303 | 497 | __attr *elements = _data->seqvalue->attrs; |
paul@227 | 498 | /* index.__data__ interpreted as int */ |
paul@227 | 499 | int i = __load_via_object(index->value, __pos___data__).intvalue; |
paul@161 | 500 | |
paul@227 | 501 | /* Set the element. */ |
paul@227 | 502 | elements[i] = *value; |
paul@161 | 503 | return __builtins___none_None; |
paul@161 | 504 | } |
paul@161 | 505 | |
paul@206 | 506 | __attr __fn_native__buffer_str(__attr __args[]) |
paul@206 | 507 | { |
paul@303 | 508 | __attr * const _data = &__args[1]; |
paul@303 | 509 | /* _data interpreted as buffer */ |
paul@303 | 510 | __fragment *data = _data->seqvalue; |
paul@209 | 511 | unsigned int size = 0, i, j, n; |
paul@209 | 512 | char *s, *o; |
paul@206 | 513 | |
paul@206 | 514 | /* Calculate the size of the string. */ |
paul@206 | 515 | for (i = 0; i < data->size; i++) |
paul@253 | 516 | size += strlen(__load_via_object(data->attrs[i].value, __pos___data__).strvalue); |
paul@206 | 517 | |
paul@206 | 518 | /* Reserve space for a new string. */ |
paul@260 | 519 | s = (char *) __ALLOCATE(size + 1, sizeof(char)); |
paul@206 | 520 | |
paul@206 | 521 | /* Build a single string from the buffer contents. */ |
paul@209 | 522 | for (i = 0, j = 0; i < data->size; i++) |
paul@209 | 523 | { |
paul@209 | 524 | o = __load_via_object(data->attrs[i].value, __pos___data__).strvalue; |
paul@209 | 525 | n = strlen(o); |
paul@292 | 526 | strncpy(s + j, o, n); /* does not null terminate but final byte should be zero */ |
paul@209 | 527 | j += n; |
paul@209 | 528 | } |
paul@206 | 529 | |
paul@206 | 530 | /* Return a new string. */ |
paul@206 | 531 | return __new_str(s); |
paul@206 | 532 | } |
paul@206 | 533 | |
paul@230 | 534 | __attr __fn_native__get_using(__attr __args[]) |
paul@230 | 535 | { |
paul@230 | 536 | __attr * const callable = &__args[1]; |
paul@230 | 537 | __attr * const instance = &__args[2]; |
paul@230 | 538 | |
paul@230 | 539 | return __replace_context(instance->value, *callable); |
paul@230 | 540 | } |
paul@230 | 541 | |
paul@228 | 542 | __attr __fn_native__object_getattr(__attr __args[]) |
paul@228 | 543 | { |
paul@228 | 544 | __attr * const obj = &__args[1]; |
paul@228 | 545 | __attr * const name = &__args[2]; |
paul@228 | 546 | __attr * const _default = &__args[3]; |
paul@228 | 547 | |
paul@228 | 548 | /* NOTE: To be written. */ |
paul@228 | 549 | return __builtins___none_None; |
paul@228 | 550 | } |
paul@228 | 551 | |
paul@231 | 552 | static int __issubclass(__ref obj, __attr cls) |
paul@231 | 553 | { |
paul@231 | 554 | return (__HASATTR(obj, __TYPEPOS(cls.value), __TYPECODE(cls.value))); |
paul@231 | 555 | } |
paul@231 | 556 | |
paul@161 | 557 | __attr __fn_native__isinstance(__attr __args[]) |
paul@161 | 558 | { |
paul@208 | 559 | __attr * const obj = &__args[1]; |
paul@208 | 560 | __attr * const cls = &__args[2]; |
paul@161 | 561 | |
paul@231 | 562 | /* cls must be a class. */ |
paul@231 | 563 | if (__is_instance(obj->value) && __issubclass(__get_class(obj->value), *cls)) |
paul@231 | 564 | return __builtins___boolean_True; |
paul@231 | 565 | else |
paul@231 | 566 | return __builtins___boolean_False; |
paul@231 | 567 | } |
paul@231 | 568 | |
paul@231 | 569 | __attr __fn_native__issubclass(__attr __args[]) |
paul@231 | 570 | { |
paul@231 | 571 | __attr * const obj = &__args[1]; |
paul@231 | 572 | __attr * const cls = &__args[2]; |
paul@231 | 573 | |
paul@231 | 574 | /* obj and cls must be classes. */ |
paul@231 | 575 | if (__issubclass(obj->value, *cls)) |
paul@198 | 576 | return __builtins___boolean_True; |
paul@161 | 577 | else |
paul@198 | 578 | return __builtins___boolean_False; |
paul@161 | 579 | } |
paul@161 | 580 | |
paul@173 | 581 | __attr __fn_native__read(__attr __args[]) |
paul@173 | 582 | { |
paul@208 | 583 | __attr * const fd = &__args[1]; |
paul@208 | 584 | __attr * const n = &__args[2]; |
paul@173 | 585 | |
paul@173 | 586 | /* NOTE: To be written. */ |
paul@173 | 587 | return __builtins___none_None; |
paul@173 | 588 | } |
paul@173 | 589 | |
paul@173 | 590 | __attr __fn_native__write(__attr __args[]) |
paul@173 | 591 | { |
paul@208 | 592 | __attr * const fd = &__args[1]; |
paul@208 | 593 | __attr * const str = &__args[2]; |
paul@198 | 594 | /* fd.__data__ interpreted as int */ |
paul@208 | 595 | int i = __load_via_object(fd->value, __pos___data__).intvalue; |
paul@198 | 596 | /* str.__data__ interpreted as string */ |
paul@208 | 597 | char *s = __load_via_object(str->value, __pos___data__).strvalue; |
paul@173 | 598 | |
paul@198 | 599 | write(i, s, sizeof(char) * strlen(s)); |
paul@173 | 600 | return __builtins___none_None; |
paul@173 | 601 | } |
paul@173 | 602 | |
paul@173 | 603 | /* Module initialisation. */ |
paul@173 | 604 | |
paul@161 | 605 | void __main_native() |
paul@161 | 606 | { |
paul@161 | 607 | } |