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/* classes: h_files */
#ifndef SCM_SRCPROP_H
#define SCM_SRCPROP_H
/* Copyright (C) 1995,1996,2000,2001 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "libguile/__scm.h"
/* {The old whash table interface}
* *fixme* This is a temporary solution until weak hash table access
* has been optimized for speed (which is quite necessary, if they are
* used for recording of source code positions...)
*/
#define scm_whash_handle SCM
#define scm_whash_get_handle(whash, key) scm_hash_fn_get_handle (whash, key, scm_ihashq, scm_sloppy_assq, 0)
#define SCM_WHASHFOUNDP(h) (!SCM_FALSEP (h))
#define SCM_WHASHREF(whash, handle) SCM_CDR (handle)
#define SCM_WHASHSET(whash, handle, obj) SCM_SETCDR (handle, obj)
#define scm_whash_create_handle(whash, key) scm_hash_fn_create_handle_x (whash, key, SCM_UNSPECIFIED, scm_ihashq, scm_sloppy_assq, 0)
#define scm_whash_lookup(whash, obj) scm_hash_fn_ref (whash, obj, SCM_BOOL_F, scm_ihashq, scm_sloppy_assq, 0)
#define scm_whash_insert(whash, key, obj) \
do { \
register SCM w = (whash); \
SCM_WHASHSET (w, scm_whash_create_handle (w, key), obj); \
} while (0)
/* {Source properties}
*/
SCM_API scm_t_bits scm_tc16_srcprops;
typedef struct scm_t_srcprops
{
unsigned long pos;
SCM fname;
SCM copy;
SCM plist;
} scm_t_srcprops;
#define SRCPROPS_CHUNKSIZE 2047 /* Number of srcprops per chunk */
typedef struct scm_t_srcprops_chunk
{
struct scm_t_srcprops_chunk *next;
scm_t_srcprops srcprops[1];
} scm_t_srcprops_chunk;
#define SCM_SOURCE_PROPERTY_FLAG_BREAK (1L << 16)
#define SRCPROPSP(p) (SCM_TYP16_PREDICATE (scm_tc16_srcprops, p))
#define SRCPROPBRK(p) (SCM_CELL_WORD_0 (p) & SCM_SOURCE_PROPERTY_FLAG_BREAK)
#define SRCPROPPOS(p) ((scm_t_srcprops *) SCM_CELL_WORD_1 (p))->pos
#define SRCPROPLINE(p) (SRCPROPPOS(p) >> 12)
#define SRCPROPCOL(p) (SRCPROPPOS(p) & 0x0fffL)
#define SRCPROPFNAME(p) ((scm_t_srcprops *) SCM_CELL_WORD_1 (p))->fname
#define SRCPROPCOPY(p) ((scm_t_srcprops *) SCM_CELL_WORD_1 (p))->copy
#define SRCPROPPLIST(p) ((scm_t_srcprops *) SCM_CELL_WORD_1 (p))->plist
#define SETSRCPROPBRK(p) \
(SCM_SET_CELL_WORD_0 ((p), SCM_CELL_WORD_0 (p) \
| SCM_SOURCE_PROPERTY_FLAG_BREAK))
#define CLEARSRCPROPBRK(p) \
(SCM_SET_CELL_WORD_0 ((p), SCM_CELL_WORD_0 (p) \
& ~SCM_SOURCE_PROPERTY_FLAG_BREAK))
#define SRCPROPMAKPOS(l, c) (((l) << 12) + (c))
#define SETSRCPROPPOS(p, l, c) (SRCPROPPOS (p) = SRCPROPMAKPOS (l, c))
#define SETSRCPROPLINE(p, l) SETSRCPROPPOS (p, l, SRCPROPCOL (p))
#define SETSRCPROPCOL(p, c) SETSRCPROPPOS (p, SRCPROPLINE (p), c)
#define PROCTRACEP(x) (!SCM_FALSEP (scm_procedure_property (x, scm_sym_trace)))
SCM_API SCM scm_sym_filename;
SCM_API SCM scm_sym_copy;
SCM_API SCM scm_sym_line;
SCM_API SCM scm_sym_column;
SCM_API SCM scm_sym_breakpoint;
SCM_API int scm_c_source_property_breakpoint_p (SCM form);
SCM_API SCM scm_srcprops_to_plist (SCM obj);
SCM_API SCM scm_make_srcprops (long line, int col, SCM fname, SCM copy, SCM plist);
SCM_API SCM scm_source_property (SCM obj, SCM key);
SCM_API SCM scm_set_source_property_x (SCM obj, SCM key, SCM datum);
SCM_API SCM scm_source_properties (SCM obj);
SCM_API SCM scm_set_source_properties_x (SCM obj, SCM props);
SCM_API void scm_finish_srcprop (void);
SCM_API void scm_init_srcprop (void);
#if SCM_ENABLE_DEPRECATED == 1
#define SRCBRKP(x) (scm_source_property_breakpoint_p (x))
#endif
#endif /* SCM_SRCPROP_H */
/*
Local Variables:
c-file-style: "gnu"
End:
*/
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