| 340 | } |
| 341 | |
| 342 | txBoolean fxProxyGetOwnProperty(txMachine* the, txSlot* instance, txID id, txIndex index, txSlot* slot) |
| 343 | { |
| 344 | txBoolean result; |
| 345 | mxProxyDeclarations(_getOwnPropertyDescriptor); |
| 346 | if (function) { |
| 347 | txFlag mask; |
| 348 | /* THIS */ |
| 349 | mxPushSlot(handler); |
| 350 | /* FUNCTION */ |
| 351 | mxPushSlot(function); |
| 352 | mxCall(); |
| 353 | /* ARGUMENTS */ |
| 354 | mxPushSlot(target); |
| 355 | mxPushUndefined(); |
| 356 | fxKeyAt(the, id, index, the->stack); |
| 357 | mxRunCount(2); |
| 358 | mxPullSlot(slot); |
| 359 | mxPushUndefined(); |
| 360 | if (slot->kind == XS_UNDEFINED_KIND) { |
| 361 | if (mxBehaviorGetOwnProperty(the, target->value.reference, id, index, the->stack)) { |
| 362 | if (the->stack->flag & XS_DONT_DELETE_FLAG) |
| 363 | mxTypeError("(proxy).getOwnPropertyDescriptor: no descriptor for non-configurable property"); |
| 364 | if (!mxBehaviorIsExtensible(the, target->value.reference)) |
| 365 | mxTypeError("(proxy).getOwnPropertyDescriptor: no descriptor for existent property of non-extensible object"); |
| 366 | } |
| 367 | result = 0; |
| 368 | } |
| 369 | else { |
| 370 | mask = fxDescriptorToSlot(the, slot); |
| 371 | if (!(mask & XS_DONT_DELETE_FLAG)) { |
| 372 | mask |= XS_DONT_DELETE_FLAG; |
| 373 | slot->flag |= XS_DONT_DELETE_FLAG; |
| 374 | } |
| 375 | if (!(mask & XS_DONT_ENUM_FLAG)) { |
| 376 | mask |= XS_DONT_ENUM_FLAG; |
| 377 | slot->flag |= XS_DONT_ENUM_FLAG; |
| 378 | } |
| 379 | if (!(mask & (XS_GETTER_FLAG | XS_SETTER_FLAG))) { |
| 380 | if (!(mask & XS_DONT_SET_FLAG)) { |
| 381 | mask |= XS_DONT_SET_FLAG; |
| 382 | slot->flag |= XS_DONT_SET_FLAG; |
| 383 | } |
| 384 | if (slot->kind == XS_UNINITIALIZED_KIND) |
| 385 | slot->kind = XS_UNDEFINED_KIND; |
| 386 | } |
| 387 | if (mxBehaviorGetOwnProperty(the, target->value.reference, id, index, the->stack)) { |
| 388 | if (fxIsPropertyCompatible(the, the->stack, slot, mask)) { |
| 389 | if ((mask & XS_DONT_DELETE_FLAG) && (slot->flag & XS_DONT_DELETE_FLAG)) { |
| 390 | if (!(the->stack->flag & XS_DONT_DELETE_FLAG)) |
| 391 | mxTypeError("(proxy).getOwnPropertyDescriptor: non-configurable descriptor for configurable property"); |
| 392 | } |
| 393 | if (the->stack->flag & XS_DONT_DELETE_FLAG) { |
| 394 | if ((mask & XS_DONT_SET_FLAG) && (slot->flag & XS_DONT_SET_FLAG) && !(the->stack->flag & XS_DONT_SET_FLAG)) |
| 395 | mxTypeError("(proxy).getOwnPropertyDescriptor: true with non-writable descriptor for non-configurable writable property"); |
| 396 | } |
| 397 | } |
| 398 | else |
| 399 | mxTypeError("(proxy).getOwnPropertyDescriptor: incompatible descriptor for existent property"); |
nothing calls this directly
no test coverage detected