1 /* Common operations. */ 2 3 #ifndef __OPS_H__ 4 #define __OPS_H__ 5 6 #include "types.h" 7 #include <string.h> /* for __COPY */ 8 9 /* Direct access and manipulation of static objects. */ 10 11 __attr __load_static(__ref parent, __ref obj); 12 13 /* Direct retrieval operations, returning attributes. */ 14 15 __attr __load_via_class(__ref obj, int pos); 16 __attr __load_via_object(__ref obj, int pos); 17 __attr __get_class_and_load(__ref obj, int pos); 18 19 /* Direct storage operations. */ 20 21 int __store_via_object(__ref obj, int pos, __attr value); 22 int __get_class_and_store(__ref obj, int pos, __attr value); 23 24 /* Introspection. */ 25 26 int __is_instance(__ref obj); 27 int __is_type_instance(__ref obj); 28 __ref __get_class(__ref obj); 29 __attr __get_class_attr(__ref obj); 30 31 /* Attribute testing operations. */ 32 33 __ref __test_specific_instance(__ref obj, __ref type); 34 __ref __test_specific_object(__ref obj, __ref type); 35 __ref __test_specific_type(__ref obj, __ref type); 36 __ref __test_common_instance(__ref obj, int pos, int code); 37 __ref __test_common_object(__ref obj, int pos, int code); 38 __ref __test_common_type(__ref obj, int pos, int code); 39 40 /* Attribute testing and retrieval operations. */ 41 42 __attr __check_and_load_via_class(__ref obj, int pos, int code); 43 __attr __check_and_load_via_object(__ref obj, int pos, int code); 44 __attr __check_and_load_via_any(__ref obj, int pos, int code); 45 46 /* Attribute testing and storage operations. */ 47 48 int __check_and_store_via_class(__ref obj, int pos, int code, __attr value); 49 int __check_and_store_via_object(__ref obj, int pos, int code, __attr value); 50 int __check_and_store_via_any(__ref obj, int pos, int code, __attr value); 51 52 /* Context-related operations. */ 53 54 __attr __test_context(__ref context, __attr attr); 55 __attr __replace_context(__ref context, __attr attr); 56 __attr __update_context(__ref context, __attr attr); 57 58 #define __set_context(__ATTR) (__tmp_context = (__ATTR).value) 59 #define __set_accessor(__ATTR) (__tmp_value = (__ATTR).value) 60 61 /* Basic structure tests. */ 62 63 int __WITHIN(__ref obj, int pos); 64 int __HASATTR(__ref obj, int pos, int code); 65 66 /* Parameter position operations. */ 67 68 int __HASPARAM(const __ptable *ptable, int ppos, int pcode); 69 70 /* Conversions. */ 71 72 __attr __CONTEXT_AS_VALUE(__attr attr); 73 74 /* Type testing. */ 75 76 __ref __ISFUNC(__ref obj); 77 int __ISNULL(__attr value); 78 79 /* __TEST(obj, __A) -> test obj for the special type attribute __A */ 80 81 #define __TEST(__OBJ, __TYPE) (__test_common_instance(__OBJ, __pos_##__TYPE, __code_##__TYPE)) 82 83 /* Attribute codes and positions for type objects. */ 84 85 unsigned int __TYPECODE(__ref obj); 86 unsigned int __TYPEPOS(__ref obj); 87 88 /* Attribute codes and positions for attribute names. */ 89 90 #define __ATTRCODE(__ATTRNAME) (__code_##__ATTRNAME) 91 #define __ATTRPOS(__ATTRNAME) (__pos_##__ATTRNAME) 92 93 /* Memory allocation. */ 94 95 void *__ALLOCATE(size_t nmemb, size_t size); 96 void *__REALLOCATE(void *ptr, size_t size); 97 98 /* Copying of structures. */ 99 100 __ref __COPY(__ref obj, int size); 101 102 #endif /* __OPS_H__ */
