src/st-behavior.h

   1 /*
   2  * st-behavior.h
   3  *
   4  * Copyright (C) 2008 Vincent Geddes
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23 */
  24
  25 #ifndef __ST_BEHAVIOR_H__
  26 #define __ST_BEHAVIOR_H__
  27
  28 #include <st-types.h>
  29 #include <st-object.h>
  30 #include <st-memory.h>
  31 #include <st-small-integer.h>
  32 #include <st-array.h>
  33 #include <st-float.h>
  34 #include <st-large-integer.h>
  35
  36 #define ST_BEHAVIOR(oop)  ((struct st_behavior *)  st_detag_pointer (oop))
  37 #define ST_CLASS(oop)     ((struct st_class *)     st_detag_pointer (oop))
  38 #define ST_METACLASS(oop) ((struct st_metaclass *) st_detag_pointer (oop))
  39
  40 struct st_behavior
  41 {
  42     struct st_header header;
  43
  44     st_oop format;
  45     st_oop superclass;
  46     st_oop instance_size;
  47     st_oop method_dictionary;
  48     st_oop instance_variables;
  49 };
  50
  51 struct st_class
  52 {
  53     struct st_behavior parent;
  54
  55     st_oop name;
  56 };
  57
  58 struct st_metaclass
  59 {
  60     struct st_behavior parent;
  61
  62     st_oop instance_class;
  63 };
  64
  65 #define ST_BEHAVIOR_FORMAT(oop)             (ST_BEHAVIOR (oop)->format)
  66 #define ST_BEHAVIOR_SUPERCLASS(oop)         (ST_BEHAVIOR (oop)->superclass)
  67 #define ST_BEHAVIOR_INSTANCE_SIZE(oop)      (ST_BEHAVIOR (oop)->instance_size)
  68 #define ST_BEHAVIOR_METHOD_DICTIONARY(oop)  (ST_BEHAVIOR (oop)->method_dictionary)
  69 #define ST_BEHAVIOR_INSTANCE_VARIABLES(oop) (ST_BEHAVIOR (oop)->instance_variables)
  70 #define ST_CLASS_NAME(oop)                  (ST_CLASS (oop)->name)
  71 #define ST_METACLASS_INSTANCE_CLASS(oop)    (ST_METACLASS (oop)->instance_class)
  72
  73
  74 st_oop st_object_new (st_oop class);
  75 st_oop st_object_new_arrayed (st_oop class, int size);
  76
  77 st_list *st_behavior_all_instance_variables (st_oop class);
  78
  79
  80
  81 #endif /* __ST_BEHAVIOR_H__ */