/* Structures allocated for and updated during parse time that
   are the IR before writing to the output file */

#define BUF_SIZE 256
#define MAX_SUBCLASSES 16
#define MAX_SETS 256
#define MAX_ELES 256
#define MAX_REFS 256
#define MAX_MODELS 256


//indexes for buffers
int cbi = 0;
int vbi = 0;
int obi = 0;

struct ref {
  int x, y, z, objref;
};

struct ele {
  int odat_id;
  int parent_id;//offset into class set_stack
};

//TODO: Add jump table
struct set {
  int odat_id;
  int parent_id;//offset into CB
  int num_ele;
  int ele_index; //same as num_ele?
  struct ele ele_list[MAX_ELES];
};


//8 ids for each direction
//fdat_id ordered by alphabetical direction
struct model {
  char label[32];
  int fdat_id[8];
};

//TODO: Do vdats need labels?
struct vdat {
  int num_models;
  int msi; //model_stack_index
  struct model model_list[MAX_MODELS];
} vdat_buf[BUF_SIZE];

struct cdat {
  char label[32];
  int num_subclasses;
  int num_sets;
  int subclass_index;
  int set_index;
  struct cdat* subclass_list[MAX_SUBCLASSES];
  struct set set_list[MAX_SETS];
} cdat_buf[BUF_SIZE];

//Element or a set
struct odat {
  char label[32];
  int vdat_id;
  int class_id;
  int num_ref;
  int ref_index;
  struct ref ref_list[MAX_REFS];
} odat_buf[BUF_SIZE];


void
inc_cbi(void);

void
set_class_label(char*);

void
inc_subclass_index(void);

void
inc_subclass_index(void);

void
inc_ref(void);

void
inc_models(void);