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/*
* lisprdr.h
*
* $Id$
*
* Lisp Reader
*
* This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
* project.
*
* Copyright (C) 1998-2012 OpenLink Software
*
* This project is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; only version 2 of the License, dated June 1991.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef _LISPRDR_H
#define _LISPRDR_H
#ifndef _DK_H
#include "Dk.h"
#endif
typedef struct lisp_stream_s
{
char ls_unread;
const char * ls_buffer;
int ls_at;
int ls_length;
} lisp_stream_t;
typedef caddr_t (*mcfunc_t) (lisp_stream_t * stream, char character);
#define MAX_TOKEN 50
#define CLOSE_PAR_MARKER -1
#define OBJ_COMMENT ((caddr_t) -1L)
#define OBJ_CLOSE_PAR ((caddr_t) -2L)
#define CATCH_LISP_ERROR 102
#undef CATCH
#define CATCH_T(ct, thr) \
{ \
du_thread_t * cur_thread = thr; \
int reset_code; \
int old_ct = ct; \
void * old_ctx = THR_ATTR (cur_thread, ct); \
jmp_buf_splice ctx; \
SET_THR_ATTR (cur_thread, ct, & ctx); \
if (0 == (reset_code = setjmp_splice (& ctx)))
#define CATCH(ct) CATCH_T (ct, THREAD_CURRENT_THREAD)
#define THROW_CODE \
else
#define END_CATCH \
SET_THR_ATTR (cur_thread, old_ct, old_ctx); \
}
#define POP_CATCH \
SET_THR_ATTR (cur_thread, old_ct, old_ctx);
#define THR_ERROR 12
#define THR_GET_ERROR \
THR_ATTR (THREAD_CURRENT_THREAD, THR_ERROR)
#define LIST_MAX_LEN 100
#define INTEGERP(x) \
(! IS_BOX_POINTER (x) || DV_LONG_INT == box_tag (x))
dtp_t lisp_type_of (caddr_t xx);
caddr_t lisp_read (lisp_stream_t *);
void lisp_error (char *, ...);
void init_lisp_stream (lisp_stream_t * str, char * nts);
void lisp_throw (int ctx, int code);
void lisp_throw_thr (int ctx, int code, du_thread_t * thr);
void lisp_stream_init (lisp_stream_t * ls, const char *buf);
void box_tree_check (caddr_t tree);
#endif /* _LISPRDR_H */
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