libguile/srcprop.h

   1 /* classes: h_files */
   2
   3 #ifndef SCM_SRCPROP_H
   4 #define SCM_SRCPROP_H
   5
   6 /* Copyright (C) 1995,1996,2000,2001 Free Software Foundation, Inc.
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  21  */
  22
  23 \f
  24
  25 #include "libguile/__scm.h"
  26
  27 \f
  28
  29 /* {The old whash table interface}
  30  * *fixme* This is a temporary solution until weak hash table access
  31  * has been optimized for speed (which is quite necessary, if they are
  32  * used for recording of source code positions...)
  33  */
  34
  35 #define scm_whash_handle SCM
  36
  37 #define scm_whash_get_handle(whash, key) scm_hash_fn_get_handle (whash, key, scm_ihashq, scm_sloppy_assq, 0)
  38 #define SCM_WHASHFOUNDP(h) (scm_is_true (h))
  39 #define SCM_WHASHREF(whash, handle) SCM_CDR (handle)
  40 #define SCM_WHASHSET(whash, handle, obj) SCM_SETCDR (handle, obj)
  41 #define scm_whash_create_handle(whash, key) scm_hash_fn_create_handle_x (whash, key, SCM_UNSPECIFIED, scm_ihashq, scm_sloppy_assq, 0)
  42 #define scm_whash_lookup(whash, obj) scm_hash_fn_ref (whash, obj, SCM_BOOL_F, scm_ihashq, scm_sloppy_assq, 0)
  43 #define scm_whash_insert(whash, key, obj) \
  44 do { \
  45   register SCM w = (whash); \
  46   SCM_WHASHSET (w, scm_whash_create_handle (w, key), obj); \
  47 } while (0)
  48
  49
  50 /* {Source properties}
  51  */
  52
  53 SCM_API scm_t_bits scm_tc16_srcprops;
  54
  55 typedef struct scm_t_srcprops
  56 {
  57   unsigned long pos;
  58   SCM fname;
  59   SCM copy;
  60   SCM plist;
  61 } scm_t_srcprops;
  62
  63 #define SRCPROPS_CHUNKSIZE 2047 /* Number of srcprops per chunk */
  64 typedef struct scm_t_srcprops_chunk
  65 {
  66   struct scm_t_srcprops_chunk *next;
  67   scm_t_srcprops srcprops[1];
  68 } scm_t_srcprops_chunk;
  69
  70 #define SCM_SOURCE_PROPERTY_FLAG_BREAK 1
  71
  72 #define SRCPROPSP(p) (SCM_SMOB_PREDICATE (scm_tc16_srcprops, (p)))
  73 #define SRCPROPBRK(p) (SCM_SMOB_FLAGS (p) & SCM_SOURCE_PROPERTY_FLAG_BREAK)
  74 #define SRCPROPPOS(p) ((scm_t_srcprops *) SCM_SMOB_DATA (p))->pos
  75 #define SRCPROPLINE(p) (SRCPROPPOS(p) >> 12)
  76 #define SRCPROPCOL(p) (SRCPROPPOS(p) & 0x0fffL)
  77 #define SRCPROPFNAME(p) ((scm_t_srcprops *) SCM_SMOB_DATA (p))->fname
  78 #define SRCPROPCOPY(p) ((scm_t_srcprops *) SCM_SMOB_DATA (p))->copy
  79 #define SRCPROPPLIST(p) ((scm_t_srcprops *) SCM_SMOB_DATA (p))->plist
  80 #define SETSRCPROPBRK(p) \
  81  (SCM_SET_SMOB_FLAGS ((p), \
  82                       SCM_SMOB_FLAGS (p) | SCM_SOURCE_PROPERTY_FLAG_BREAK))
  83 #define CLEARSRCPROPBRK(p)  \
  84  (SCM_SET_SMOB_FLAGS ((p), \
  85                       SCM_SMOB_FLAGS (p) & ~SCM_SOURCE_PROPERTY_FLAG_BREAK))
  86 #define SRCPROPMAKPOS(l, c) (((l) << 12) + (c))
  87 #define SETSRCPROPPOS(p, l, c) (SRCPROPPOS (p) = SRCPROPMAKPOS (l, c))
  88 #define SETSRCPROPLINE(p, l) SETSRCPROPPOS (p, l, SRCPROPCOL (p))
  89 #define SETSRCPROPCOL(p, c) SETSRCPROPPOS (p, SRCPROPLINE (p), c)
  90
  91 #define PROCTRACEP(x) (scm_is_true (scm_procedure_property (x, scm_sym_trace)))
  92
  93 SCM_API SCM scm_sym_filename;
  94 SCM_API SCM scm_sym_copy;
  95 SCM_API SCM scm_sym_line;
  96 SCM_API SCM scm_sym_column;
  97 SCM_API SCM scm_sym_breakpoint;
  98
  99 \f
 100
 101 SCM_API int scm_c_source_property_breakpoint_p (SCM form);
 102 SCM_API SCM scm_srcprops_to_plist (SCM obj);
 103 SCM_API SCM scm_make_srcprops (long line, int col, SCM fname, SCM copy, SCM plist);
 104 SCM_API SCM scm_source_property (SCM obj, SCM key);
 105 SCM_API SCM scm_set_source_property_x (SCM obj, SCM key, SCM datum);
 106 SCM_API SCM scm_source_properties (SCM obj);
 107 SCM_API SCM scm_set_source_properties_x (SCM obj, SCM props);
 108 SCM_API void scm_finish_srcprop (void);
 109 SCM_API void scm_init_srcprop (void);
 110
 111 #if SCM_ENABLE_DEPRECATED == 1
 112 #define SRCBRKP(x) (scm_source_property_breakpoint_p (x))
 113 #endif
 114
 115 #endif  /* SCM_SRCPROP_H */
 116
 117 /*
 118   Local Variables:
 119   c-file-style: "gnu"
 120   End:
 121 */