picrin/extlib/benz/include/picrin/box.h

54 lines
916 B
C

/**
* See Copyright Notice in picrin.h
*/
#ifndef PICRIN_BOX_H
#define PICRIN_BOX_H
#if defined(__cplusplus)
extern "C" {
#endif
struct pic_box {
PIC_OBJECT_HEADER
pic_value value;
};
#define pic_box_p(v) (pic_type(v) == PIC_TT_BOX)
#define pic_box_ptr(o) ((struct pic_box *)pic_ptr(o))
PIC_INLINE pic_value
pic_box(pic_state *pic, pic_value value)
{
struct pic_box *box;
box = (struct pic_box *)pic_obj_alloc(pic, sizeof(struct pic_box), PIC_TT_BOX);
box->value = value;
return pic_obj_value(box);
}
PIC_INLINE pic_value
pic_unbox(pic_state *pic, pic_value box)
{
if (! pic_box_p(box)) {
pic_errorf(pic, "box required");
}
return pic_box_ptr(box)->value;
}
PIC_INLINE void
pic_set_box(pic_state *pic, pic_value box, pic_value value)
{
if (! pic_box_p(box)) {
pic_errorf(pic, "box required");
}
pic_box_ptr(box)->value = value;
}
#if defined(__cplusplus)
}
#endif
#endif