1 /* classes: h_files */
2 
3 #ifndef SCM_READ_H
4 #define SCM_READ_H
5 
6 /* Copyright (C) 1995,1996,2000, 2006 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 
24 
25 #include "libguile/__scm.h"
26 
27 #include "libguile/options.h"
28 
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 
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 size_t scm_read_token (int ic, SCM * tok_buf, SCM port, int weird);
69 SCM_API SCM scm_read_hash_extend (SCM chr, SCM proc);
70 
71 SCM_API void scm_i_input_error (const char *func, SCM port,
72 				const char *message, SCM arg)
73   SCM_NORETURN;
74 
75 SCM_API void scm_init_read (void);
76 
77 #endif  /* SCM_READ_H */
78 
79 /*
80   Local Variables:
81   c-file-style: "gnu"
82   End:
83 */
84