1 /* Operations depending on program specifics. 2 3 Copyright (C) 2015-2019, 2021 Paul Boddie <paul@boddie.org.uk> 4 5 This program is free software; you can redistribute it and/or modify it under 6 the terms of the GNU General Public License as published by the Free Software 7 Foundation; either version 3 of the License, or (at your option) any later 8 version. 9 10 This program is distributed in the hope that it will be useful, but WITHOUT 11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 12 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more 13 details. 14 15 You should have received a copy of the GNU General Public License along with 16 this program. If not, see <http://www.gnu.org/licenses/>. 17 */ 18 19 #ifndef __PROGOPS_H__ 20 #define __PROGOPS_H__ 21 22 #include <stdlib.h> /* size_t */ 23 #include "types.h" 24 #include "main.h" 25 26 /* Generic instantiation operations, defining common members. */ 27 28 __attr __new(const __table *table, __ref cls, size_t size, int immutable); 29 __attr __new_wrapper(__attr context, __attr attr); 30 31 /* Generic internal data allocation. */ 32 33 __fragment *__new_fragment(__int n); 34 35 __attr __newdata_list(__int number, __attr args[]); 36 __attr __newdata_tuple(__int number, __attr args[]); 37 38 #define __newliteral___builtins___list_list(NUM, ...) __newdata_list(NUM, __ARGS(__VA_ARGS__)) 39 #define __newliteral___builtins___tuple_tuple(NUM, ...) __newdata_tuple(NUM, __ARGS(__VA_ARGS__)) 40 41 /* Potentially superfluous operations. */ 42 43 #ifdef __HAVE___builtins___dict_dict 44 __attr __newdata_dict(__int number, __attr args[]); 45 #define __newliteral___builtins___dict_dict(NUM, ...) __newdata_dict(NUM, __ARGS(__VA_ARGS__)) 46 #endif 47 48 /* Helpers for raising errors within common operations. */ 49 50 void __raise_eof_error(); 51 void __raise_floating_point_error(); 52 void __raise_io_error(__attr value); 53 void __raise_memory_error(); 54 void __raise_os_error(__attr value, __attr arg); 55 void __raise_overflow_error(); 56 void __raise_unbound_method_error(); 57 void __raise_underflow_error(); 58 void __raise_value_error(__attr value); 59 void __raise_zero_division_error(); 60 void __raise_type_error(); 61 62 /* Helper for raising exception instances. */ 63 64 __attr __ensure_instance(__attr arg); 65 66 /* Generic invocation operations. */ 67 68 __attr __invoke(__attr callable, int always_callable, 69 unsigned int nkwargs, __param kwcodes[], __attr kwargs[], 70 unsigned int nargs, __attr args[]); 71 72 /* Error routines. */ 73 74 __attr __unbound_method(__attr __self); 75 76 /* Generic operations depending on specific program details. */ 77 78 void __SETDEFAULT(__ref obj, int pos, __attr value); 79 __attr __GETDEFAULT(__ref obj, int pos); 80 int __BOOL(__attr attr); 81 82 /* Convenience definitions. */ 83 84 #define __OBJTYPE(CLS) __obj_##CLS 85 #define __INSTANCESIZE(CLS) sizeof(__OBJTYPE(CLS)) 86 #define __INSTANCETABLE(CLS) (__InstanceTable_##CLS) 87 #define __NEWINSTANCE(CLS) __new(&__INSTANCETABLE(CLS), &CLS, __INSTANCESIZE(CLS), 0) 88 #define __NEWINSTANCEIM(CLS) __new(&__INSTANCETABLE(CLS), &CLS, __INSTANCESIZE(CLS), 1) 89 #define __ISINSTANCE(ATTR, TYPE) __BOOL(__fn_native_introspection_isinstance(__NULL, ATTR, TYPE)) 90 91 /* Operations for accessing trailing data. */ 92 93 #define __get_trailing_data(ATTR, TYPE) (((__OBJTYPE(TYPE) *) ((ATTR).value))->trailing) 94 #define __set_trailing_data(ATTR, TYPE, VALUE) ((__OBJTYPE(TYPE) *) ((ATTR).value))->trailing = VALUE 95 96 #endif /* __PROGOPS_H__ */
