mirror of
https://github.com/sigmasternchen/crap-libs
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89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
#ifndef OOP_H
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#define OOP_H
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#include <stdbool.h>
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#include <stdarg.h>
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#include <stdio.h>
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#define interface(name) class_t name##_class; __attribute__ ((constructor)) static void add_##name##_interface(void) { name##_class.id = oop_add_class(#name, true, NO_SUPER_CLASS, NO_INTERFACES, false);}
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#define class(name, superclass, interfaces, instanceable) class_t name##_class; __attribute__ ((constructor)) static void add_##name##_class(void) { name##_class.id = oop_add_class(#name, false, superclass, interfaces, instanceable);} typedef struct name
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#define method(class, method) class ##_method_## method
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#define add_method(object, class, method) object->method = class ##_method_## method
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#define implements(i) i##_interface
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#define extends(type) type super
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#define construct(name) name ##_method_construct
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#define populate(name) name ##_method_populate
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#define instanceof(obj, class) oop_instance_of(obj, class)
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#define call(obj, method) (obj)->method((obj))
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#define new
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#define defclass struct
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#define MAX_CLASSES 1024
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#define MAX_INTERFACES 20 // per class
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#define NO_CLASS_ID -1
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#define NO_SUPER_CLASS (class_t){.id = NO_CLASS_ID}
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#define NO_INTERFACES (interfaces){.nr = 0}
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#define namely ,
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#define and ,
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typedef int class_id_t;
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typedef struct meta_class {
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const char* name;
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bool interface;
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class_id_t super;
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class_id_t interfaces[MAX_INTERFACES];
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int nrinterfaces;
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bool instanceable;
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} meta_class_t;
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typedef struct class {
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class_id_t id;
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} class_t;
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typedef struct iflist {
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int nr;
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class_t interfaces[MAX_INTERFACES];
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} iflist_t;
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typedef iflist_t interfaces;
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typedef struct meta_object {
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class_t type;
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} meta_object_t;
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class_id_t oop_add_class(const char*, bool, class_t, iflist_t, bool);
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#define Object construct(Object)
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extern class(Object, NO_SUPER_CLASS, NO_INTERFACES, false) {
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meta_object_t meta_obj;
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void (*destruct)(defclass Object*);
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} Object_t;
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extern interface(Cloneable)
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#define Cloneable_interface void*(*clone)(void*)
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#define Cloneable(...) NULL; _Pragma("GCC error \"Cannot make instance of interface Cloneable.\"");
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extern interface(Compareable)
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#define Compareable_interface int(*compare)(void*)
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#define Compareable(...) NULL; _Pragma("GCC error \"Cannot make instance of interface Compareable.\"");
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bool oop_instance_of_id(void*, class_id_t);
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bool oop_instance_of(void*, class_t);
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const char* oop_get_class_name(class_t);
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class_id_t oop_id_from_name(const char*);
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bool oop_class_exists(const char*);
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class_t oop_class_from_id(class_id_t);
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class_t oop_get_super_class(class_t);
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bool oop_is_instanceable(class_t);
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class_t oop_get_class_from_obj(Object_t*);
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void oop_check_interface(class_t, Object_t*);
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Object_t* method(Object, construct)(void);
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void method(Object, populate)(Object_t* obj, class_t);
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#endif
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