src/apc/ir.h

   1 /* Structures allocated for and updated during parse time that
   2    are the IR before writing to the output file */
   3
   4 #define BUF_SIZE 256
   5 #define MAX_SUBCLASSES 16
   6 #define MAX_SETS 256
   7 #define MAX_ELES 256
   8 #define MAX_REFS 256
   9 #define MAX_MODELS 256
  10
  11
  12 //indexes for buffers
  13 int cbi = 0;
  14 int vbi = 0;
  15 int obi = 0;
  16
  17 struct ref {
  18   int x, y, z, objref;
  19 };
  20
  21 struct ele {
  22   int odat_id;
  23   int parent_id;//offset into class set_stack
  24 };
  25
  26 //TODO: Add jump table
  27 struct set {
  28   int odat_id;
  29   int parent_id;//offset into CB
  30   int num_ele;
  31   int ele_index; //same as num_ele?
  32   struct ele ele_list[MAX_ELES];
  33 };
  34
  35
  36 //8 ids for each direction
  37 //fdat_id ordered by alphabetical direction
  38 struct model {
  39   char label[32];
  40   int fdat_id[8];
  41 };
  42
  43 //TODO: Do vdats need labels?
  44 struct vdat {
  45   int num_models;
  46   int msi; //model_stack_index
  47   struct model model_list[MAX_MODELS];
  48 } vdat_buf[BUF_SIZE];
  49
  50 struct cdat {
  51   char label[32];
  52   int num_subclasses;
  53   int num_sets;
  54   int subclass_index;
  55   int set_index;
  56   struct cdat* subclass_list[MAX_SUBCLASSES];
  57   struct set set_list[MAX_SETS];
  58 } cdat_buf[BUF_SIZE];
  59
  60 //Element or a set
  61 struct odat {
  62   char label[32];
  63   int vdat_id;
  64   int class_id;
  65   int num_ref;
  66   int ref_index;
  67   struct ref ref_list[MAX_REFS];
  68 } odat_buf[BUF_SIZE];
  69
  70
  71 void
  72 inc_cbi(void);
  73
  74 void
  75 set_class_label(char*);
  76
  77 void
  78 inc_subclass_index(void);
  79
  80 void
  81 inc_subclass_index(void);
  82
  83 void
  84 inc_ref(void);
  85
  86 void
  87 inc_models(void);