113 lines
2.2 KiB
C
113 lines
2.2 KiB
C
/**
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* See Copyright Notice in picrin.h
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*/
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#include "picrin.h"
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struct pic_record *
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pic_make_record(pic_state *pic, struct pic_record *type, int len)
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{
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struct pic_record *rec;
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struct pic_vector *data = pic_make_vec(pic, len);
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rec = (struct pic_record *)pic_obj_alloc(pic, sizeof(struct pic_record), PIC_TT_RECORD);
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rec->data = data;
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rec->type = type;
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if (rec->type == NULL) {
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rec->type = rec;
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}
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return rec;
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}
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struct pic_record *
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pic_record_type(pic_state PIC_UNUSED(*pic), struct pic_record *rec)
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{
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return rec->type;
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}
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pic_value
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pic_record_ref(pic_state PIC_UNUSED(*pic), struct pic_record *rec, int slot)
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{
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return rec->data->data[slot];
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}
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void
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pic_record_set(pic_state PIC_UNUSED(*pic), struct pic_record *rec, int slot, pic_value val)
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{
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rec->data->data[slot] = val;
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}
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static pic_value
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pic_record_make_record(pic_state *pic)
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{
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struct pic_record * rec;
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pic_value rectype;
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int len;
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pic_get_args(pic, "oi", &rectype, &len);
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pic_assert_type(pic, rectype, record);
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rec = pic_make_record(pic, pic_record_ptr(rectype), len);
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return pic_obj_value(rec);
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}
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static pic_value
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pic_record_record_p(pic_state *pic)
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{
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pic_value rec;
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pic_get_args(pic, "o", &rec);
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return pic_bool_value(pic_record_p(rec));
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}
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static pic_value
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pic_record_record_type(pic_state *pic)
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{
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struct pic_record *rec;
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pic_get_args(pic, "r", &rec);
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return pic_obj_value(pic_record_type(pic, rec));
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}
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static pic_value
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pic_record_record_ref(pic_state *pic)
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{
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struct pic_record *rec;
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int slot;
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pic_get_args(pic, "ri", &rec, &slot);
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return pic_record_ref(pic, rec, slot);
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}
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static pic_value
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pic_record_record_set(pic_state *pic)
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{
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struct pic_record *rec;
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int slot;
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pic_value val;
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pic_get_args(pic, "rio", &rec, &slot, &val);
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pic_record_set(pic, rec, slot, val);
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return pic_undef_value();
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}
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void
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pic_init_record(pic_state *pic)
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{
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pic_defun(pic, "make-record", pic_record_make_record);
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pic_defun(pic, "record?", pic_record_record_p);
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pic_defun(pic, "record-type", pic_record_record_type);
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pic_defun(pic, "record-ref", pic_record_record_ref);
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pic_defun(pic, "record-set!", pic_record_record_set);
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pic_define(pic, "<record-type>", pic_obj_value(pic_make_record(pic, NULL, 0)));
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}
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