test/oop2/oop.h

   1 #ifndef OOP_H
   2 #define OOP_H
   3 /*
   4    Copyright © 1997-98, The AROS Development Team. All rights reserved.
   5    $Id$
   6
   7    Desc: Demo of new OOP system
   8    Lang: english
   9 */
  10
  11 #ifndef TYPES_H
  12 #   include "types.h"
  13 #endif
  14 #ifndef SUPPORT_H
  15 #   include "support.h"
  16 #endif
  17
  18 struct Method;
  19
  20 typedef struct IClass
  21 {
  22
  23     /* Array of pointers to methodtables for this class */
  24     struct Node         ClassNode;
  25
  26     ULONG InstOffset;
  27     ULONG InstSize;
  28
  29     /* The number of methods introduced by this class */
  30     ULONG NumMethods;
  31
  32     ULONG SubClassCount;
  33     ULONG ObjectCount;
  34
  35     struct IClass *SuperClass;
  36     struct Method *MTable;
  37     ULONG MTableSize; /* Counted in # of entries, not in bytes */
  38
  39 } Class;
  40
  41 struct Method
  42 {
  43      IPTR (*MethodFunc)();
  44      Class *m_Class;
  45 };
  46
  47
  48 typedef ULONG Object;
  49 typedef ULONG Method;
  50
  51 struct _Object
  52 {
  53     Class *o_Class;
  54 };
  55
  56 typedef struct
  57 {
  58     ULONG MethodID;
  59 } *Msg;
  60
  61 /* Used when initializing a class */
  62 struct MethodDescr
  63 {
  64     APTR MethodFunc;
  65     ULONG MethodID;
  66 };
  67
  68
  69
  70
  71 /* Macros */
  72
  73 #define NUM_METHOD_BITS 10
  74 #define METHOD_MASK ((1 << (NUM_METHOD_BITS)) - 1)
  75
  76 #define BASEOBJECT(obj) ((Object *)(_OBJ(obj) + 1))
  77 #define _OBJECT(obj) (_OBJ(obj) - 1)
  78 #define _OBJ(obj) ((struct _Object *)(obj))
  79
  80 #define INST_DATA(cl, obj) \
  81         (((VOID *)(obj)) + cl->InstOffset)
  82
  83
  84 #define OCLASS(o) (_OBJECT(o)->o_Class)
  85
  86
  87 #define ROOTCLASS "rootclass"
  88
  89 #define NUM_ROOT_METHODS 2
  90
  91 #define M_New           0
  92 #define M_Dispose       1
  93
  94 struct P_New
  95 {
  96     ULONG MethodID;
  97     APTR ParamPtr;
  98 };
  99
 100
 101 #endif /* OOP_H */