picrin/lib/record.c

68 lines
1.2 KiB
C

/**
* See Copyright Notice in picrin.h
*/
#include "picrin.h"
#include "object.h"
pic_value
pic_make_record(pic_state *pic, pic_value type, pic_value datum)
{
struct record *rec;
rec = (struct record *)pic_obj_alloc(pic, sizeof(struct record), PIC_TYPE_RECORD);
rec->type = type;
rec->datum = datum;
return obj_value(pic, rec);
}
static pic_value
pic_rec_make_record(pic_state *pic)
{
pic_value type, datum;
pic_get_args(pic, "oo", &type, &datum);
return pic_make_record(pic, type, datum);
}
static pic_value
pic_rec_record_p(pic_state *pic)
{
pic_value rec;
pic_get_args(pic, "o", &rec);
return pic_bool_value(pic, pic_rec_p(pic, rec));
}
static pic_value
pic_rec_record_type(pic_state *pic)
{
pic_value rec;
pic_get_args(pic, "r", &rec);
return pic_rec_ptr(pic, rec)->type;
}
static pic_value
pic_rec_record_datum(pic_state *pic)
{
pic_value rec;
pic_get_args(pic, "r", &rec);
return pic_rec_ptr(pic, rec)->datum;
}
void
pic_init_record(pic_state *pic)
{
pic_defun(pic, "make-record", pic_rec_make_record);
pic_defun(pic, "record?", pic_rec_record_p);
pic_defun(pic, "record-type", pic_rec_record_type);
pic_defun(pic, "record-datum", pic_rec_record_datum);
}