libguile/read.h

   1 /* classes: h_files */
   2
   3 #ifndef SCM_READ_H
   4 #define SCM_READ_H
   5
   6 /* Copyright (C) 1995,1996,2000 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  21  */
  22
  23 \f
  24
  25 #include "libguile/__scm.h"
  26
  27 #include "libguile/options.h"
  28 \f
  29
  30 /* SCM_LINE_INCREMENTORS are the characters which cause the line count to
  31  * be incremented for the purposes of error reporting.  This feature
  32  * is only used for scheme code loaded from files.
  33  *
  34  * SCM_WHITE_SPACES are other characters which should be treated like spaces
  35  * in programs.
  36  */
  37
  38 #define SCM_LINE_INCREMENTORS  '\n'
  39
  40 #ifdef MSDOS
  41 # define SCM_SINGLE_SPACES  ' ':case '\r':case '\f': case 26
  42 #else
  43 # define SCM_SINGLE_SPACES  ' ':case '\r':case '\f'
  44 #endif
  45
  46 #define SCM_WHITE_SPACES  SCM_SINGLE_SPACES: case '\t'
  47
  48 SCM_API scm_t_option scm_read_opts[];
  49
  50 #define SCM_COPY_SOURCE_P      scm_read_opts[0].val
  51 #define SCM_RECORD_POSITIONS_P scm_read_opts[1].val
  52 #define SCM_CASE_INSENSITIVE_P scm_read_opts[2].val
  53 #define SCM_KEYWORD_STYLE      scm_read_opts[3].val
  54 #if SCM_ENABLE_ELISP
  55 #define SCM_ELISP_VECTORS_P    scm_read_opts[4].val
  56 #define SCM_ESCAPED_PARENS_P   scm_read_opts[5].val
  57 #define SCM_N_READ_OPTIONS 6
  58 #else
  59 #define SCM_N_READ_OPTIONS 4
  60 #endif
  61
  62 \f
  63
  64 SCM_API SCM scm_sym_dot;
  65
  66 SCM_API SCM scm_read_options (SCM setting);
  67 SCM_API SCM scm_read (SCM port);
  68 SCM_API char * scm_grow_tok_buf (SCM * tok_buf);
  69 SCM_API int scm_flush_ws (SCM port, const char *eoferr);
  70 SCM_API int scm_casei_streq (char * s1, char * s2);
  71 SCM_API SCM scm_lreadr (SCM * tok_buf, SCM port, SCM *copy);
  72 SCM_API size_t scm_read_token (int ic, SCM * tok_buf, SCM port, int weird);
  73 SCM_API SCM scm_lreadparen (SCM * tok_buf, SCM port, char *name, SCM *copy);
  74 SCM_API SCM scm_lreadrecparen (SCM * tok_buf, SCM port, char *name, SCM *copy);
  75 SCM_API SCM scm_read_hash_extend (SCM chr, SCM proc);
  76 SCM_API void scm_init_read (void);
  77
  78 #endif  /* SCM_READ_H */
  79
  80 /*
  81   Local Variables:
  82   c-file-style: "gnu"
  83   End:
  84 */