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 23 /* Introspection. */ 24 25 int __is_instance(__ref obj); 26 __ref __get_class(__ref obj); 27 28 /* Attribute testing operations. */ 29 30 __ref __test_common_instance(__ref obj, int pos, int code); 31 __ref __test_common_object(__ref obj, int pos, int code); 32 __ref __test_common_type(__ref obj, int pos, int code); 33 __ref __test_specific_instance(__ref obj, __ref type); 34 35 /* Attribute testing and retrieval operations. */ 36 37 __attr __check_and_load_via_class(__ref obj, int pos, int code); 38 __attr __check_and_load_via_object(__ref obj, int pos, int code); 39 __attr __check_and_load_via_any(__ref obj, int pos, int code); 40 41 /* Attribute testing and storage operations. */ 42 43 int __check_and_store_via_object(__ref obj, int pos, int code, __attr value); 44 int __check_and_store_via_any(__ref obj, int pos, int code, __attr value); 45 46 /* Context-related operations. */ 47 48 __attr __test_context(__ref context, __attr attr); 49 __attr __replace_context(__ref context, __attr attr); 50 __attr __update_context(__ref context, __attr attr); 51 52 #define __set_context(__ATTR) (__tmp_context = (__ATTR).value) 53 #define __set_accessor(__ATTR) (__tmp_value = (__ATTR).value) 54 55 /* Basic structure tests. */ 56 57 int __WITHIN(__ref obj, int pos); 58 int __HASATTR(__ref obj, int pos, int code); 59 60 /* Parameter position operations. */ 61 62 int __HASPARAM(const __ptable *ptable, int ppos, int pcode); 63 64 /* Conversions. */ 65 66 __attr __CONTEXT_AS_VALUE(__attr attr); 67 68 /* Type testing. */ 69 70 __ref __ISFUNC(__ref obj); 71 int __ISNULL(__attr value); 72 73 /* __TEST(obj, __A) -> test obj for the special type attribute __A */ 74 75 #define __TEST(__OBJ, __TYPE) (__test_common_instance(__OBJ, __pos_##__TYPE, __code_##__TYPE)) 76 77 /* Attribute codes and positions for type objects. */ 78 79 unsigned int __TYPECODE(__ref obj); 80 unsigned int __TYPEPOS(__ref obj); 81 82 /* Attribute codes and positions for attribute names. */ 83 84 #define __ATTRCODE(__ATTRNAME) (__code_##__ATTRNAME) 85 #define __ATTRPOS(__ATTRNAME) (__pos_##__ATTRNAME) 86 87 /* Copying of structures. */ 88 89 __ref __COPY(__ref obj, int size); 90 91 #endif /* __OPS_H__ */
