2005-02-04 15:39:11 +00:00
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/*
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2005-02-04 16:00:37 +00:00
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* $Id: env.h,v 1.2 2005-02-04 16:00:37 bacon Exp $
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2005-02-04 15:39:11 +00:00
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*/
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2005-02-04 16:00:37 +00:00
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#ifndef _XP_LISP_ENV_H_
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#define _XP_LISP_ENV_H_
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2005-02-04 15:39:11 +00:00
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2005-02-04 16:00:37 +00:00
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#include <xp/lisp/object.h>
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2005-02-04 15:39:11 +00:00
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struct xp_lisp_assoc_t
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{
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xp_lisp_obj_t* name; // xp_lisp_obj_symbol_t
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xp_lisp_obj_t* value;
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struct xp_lisp_assoc_t* link;
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};
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struct xp_lisp_frame_t
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{
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struct xp_lisp_assoc_t* assoc;
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struct xp_lisp_frame_t* link;
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};
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typedef struct xp_lisp_assoc_t xp_lisp_assoc_t;
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typedef struct xp_lisp_frame_t xp_lisp_frame_t;
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#ifdef __cplusplus
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extern "C" {
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#endif
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xp_lisp_assoc_t* xp_lisp_assoc_new (xp_lisp_obj_t* name, xp_lisp_obj_t* value);
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void xp_lisp_assoc_free (xp_lisp_assoc_t* assoc);
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xp_lisp_frame_t* xp_lisp_frame_new (void);
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void xp_lisp_frame_free (xp_lisp_frame_t* frame);
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xp_lisp_assoc_t* xp_lisp_frame_lookup (xp_lisp_frame_t* frame, xp_lisp_obj_t* name);
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xp_lisp_assoc_t* xp_lisp_frame_insert (xp_lisp_frame_t* frame, xp_lisp_obj_t* name, xp_lisp_obj_t* value);
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#ifdef __cplusplus
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}
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#endif
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#endif
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