picrin/lib/record.c

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