port.h

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#ifndef PORT_H
#define PORT_H
 
#include <stdlib.h>
#include <stdbool.h>
#include "lf_token.h" // Defines token types and lf_port_base_t, lf_sparse_io_record

#define LF_SPARSE_WIDTH_THRESHOLD 10

#define LF_SPARSE_CAPACITY_DIVIDER 10

typedef struct lf_multiport_iterator_t {
  int next;
  int idx; // Index in the record of next or -1 if lf_multiport_next has not been called.
  lf_port_base_t** port;
  int width;
} lf_multiport_iterator_t;

lf_multiport_iterator_t _lf_multiport_iterator_impl(lf_port_base_t** port, int width);

#define lf_multiport_iterator(in)                                                                                      \
  (_lf_multiport_iterator_impl((lf_port_base_t**)self->_lf_##in, self->_lf_##in##_width))

int lf_multiport_next(lf_multiport_iterator_t* iterator);
 
#endif /* PORT_H */