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* srcprop.h: New file: source properties.

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Mikael Djurfeldt 1996-08-20 17:12:05 +00:00
parent 575888bda8
commit 8a5ae618b6
1 changed files with 131 additions and 0 deletions
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libguile/srcprop.h Normal file
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/* classes: h_files */
#ifndef SRCPROPH
#define SRCPROPH
/* Copyright (C) 1995,1996 Mikael Djurfeldt
*
* This program 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; either version 2, or (at your option)
* any later version.
*
* 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 software; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
* As a special exception, the Free Software Foundation gives permission
* for additional uses of the text contained in its release of GUILE.
*
* The exception is that, if you link the GUILE library with other files
* to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the GUILE library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the
* Free Software Foundation under the name GUILE. If you copy
* code from other Free Software Foundation releases into a copy of
* GUILE, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for GUILE, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*
* The author can be reached at djurfeldt@nada.kth.se
* Mikael Djurfeldt, SANS/NADA KTH, 10044 STOCKHOLM, SWEDEN
*/
#include "__scm.h"
SCM scm_i_copy;
/* {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_hashq_get_handle (whash, key)
#define SCM_WHASHFOUNDP(h) ((h) != SCM_BOOL_F)
#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_hashq_create_handle_x (whash, key, SCM_UNSPECIFIED)
#define scm_whash_insert(whash, key, obj) scm_hashq_set_x (whash, key, obj)
#define scm_whash_lookup(whash, obj) scm_hashq_ref (whash, obj, SCM_BOOL_F)
/* {Source properties}
*/
extern long tc16_srcprops;
typedef struct scm_srcprops
{
unsigned long pos;
SCM fname;
SCM copy;
SCM plist;
} scm_srcprops;
#define SRCPROPS_CHUNKSIZE 2047 /* Number of srcprops per chunk */
typedef struct scm_srcprops_chunk
{
struct scm_srcprops_chunk *next;
scm_srcprops srcprops[1];
} scm_srcprops_chunk;
#define SRCPROPSP(p) (SCM_TYP16 (p) == tc16_srcprops)
#define SRCPROPBRK(p) ((1L << 16) & SCM_CAR (p) ? SCM_BOOL_T : SCM_BOOL_F)
#define SRCPROPPOS(p) ((scm_srcprops *) SCM_CDR (p))->pos
#define SRCPROPLINE(p) (SRCPROPPOS(p) >> 12)
#define SRCPROPCOL(p) (SRCPROPPOS(p) & 0x0fffL)
#define SRCPROPFNAME(p) ((scm_srcprops *) SCM_CDR (p))->fname
#define SRCPROPCOPY(p) ((scm_srcprops *) SCM_CDR (p))->copy
#define SRCPROPPLIST(p) ((scm_srcprops *) SCM_CDR (p))->plist
#define SETSRCPROPBRK(p) (SCM_CAR (p) = SCM_CAR (p) | (1L << 16))
#define CLEARSRCPROPBRK(p) (SCM_CAR (p) = SCM_CAR (p) & ~(1L << 16))
#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 SRCBRKP(x) (SCM_NIMP (t.arg1 = scm_whash_lookup (scm_source_whash, (x)))\
&& SRCPROPSP (t.arg1)\
&& (1L << 16) & SCM_CAR (t.arg1))
#define PROCTRACEP(x) SCM_NFALSEP (scm_procedure_property (x, scm_i_trace))
#ifdef __STDC__
extern SCM scm_srcprops_to_plist (SCM obj);
extern SCM _scm_make_srcprops (int line, int col, SCM fname, SCM copy, SCM plist);
extern SCM scm_source_property (SCM obj, SCM key);
extern SCM scm_source_properties (SCM obj);
extern SCM scm_set_source_properties_x (SCM obj, SCM props);
extern void scm_init_srcprop (void);
#else
extern SCM scm_srcprops_to_plist ();
extern SCM _scm_make_srcprops ();
extern SCM scm_source_property ();
extern SCM scm_source_properties ();
extern SCM scm_set_source_properties_x ();
extern void scm_init_srcprop ();
#endif
#endif /* SRCPROPH */