3 /* Macros for snarfing initialization actions from C source. */
5 #ifndef LIBGUILE_SNARF_H
6 #define LIBGUILE_SNARF_H
8 /* Copyright (C) 1995, 96, 97, 98, 99, 2000 Free Software Foundation, Inc.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2, or (at your option)
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this software; see the file COPYING. If not, write to
22 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
23 * Boston, MA 02111-1307 USA
25 * As a special exception, the Free Software Foundation gives permission
26 * for additional uses of the text contained in its release of GUILE.
28 * The exception is that, if you link the GUILE library with other files
29 * to produce an executable, this does not by itself cause the
30 * resulting executable to be covered by the GNU General Public License.
31 * Your use of that executable is in no way restricted on account of
32 * linking the GUILE library code into it.
34 * This exception does not however invalidate any other reasons why
35 * the executable file might be covered by the GNU General Public License.
37 * This exception applies only to the code released by the
38 * Free Software Foundation under the name GUILE. If you copy
39 * code from other Free Software Foundation releases into a copy of
40 * GUILE, as the General Public License permits, the exception does
41 * not apply to the code that you add in this way. To avoid misleading
42 * anyone as to the status of such modified files, you must delete
43 * this exception notice from them.
45 * If you write modifications of your own for GUILE, it is your choice
46 * whether to permit this exception to apply to your modifications.
47 * If you do not wish that, delete this exception notice. */
49 /* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
50 gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
54 #if defined(__cplusplus) || defined(GUILE_CPLUSPLUS_SNARF)
55 #define SCM_FUNC_CAST_ARBITRARY_ARGS SCM (*)(...)
57 #define SCM_FUNC_CAST_ARBITRARY_ARGS SCM (*)()
60 /* Generic macros to be used in user macro definitions.
62 * For example, in order to define a macro which creates ints and
63 * initializes them to the result of foo (), do:
65 * #define SCM_FOO(NAME) \
66 * SCM_SNARF_HERE (int NAME) \
67 * SCM_SNARF_INIT (NAME = foo ())
69 * The SCM_SNARF_INIT text goes into the corresponding .x file
70 * up through the first occurrence of SCM__D on that line, if any.
73 #ifndef SCM_MAGIC_SNARFER
74 # define SCM_SNARF_HERE(X) X
75 # define SCM_SNARF_INIT(X)
76 # define SCM_SNARF_DOCS(X)
78 # define SCM_SNARF_HERE(X)
79 # define SCM_SNARF_INIT(X) SCM__I X
80 # define SCM_SNARF_DOCS(X) X
83 #define SCM_DEFINE(FNAME, PRIMNAME, REQ, OPT, VAR, ARGLIST, DOCSTRING) \
85 static const char s_ ## FNAME [] = PRIMNAME; \
89 scm_make_gsubr (s_ ## FNAME, REQ, OPT, VAR, \
90 (SCM_FUNC_CAST_ARBITRARY_ARGS) FNAME); \
93 SCM__DP PRIMNAME #ARGLIST | REQ | OPT | VAR | __FILE__:__LINE__ | SCM__S DOCSTRING SCM__E \
96 #define SCM_DEFINE1(FNAME, PRIMNAME, TYPE, ARGLIST, DOCSTRING) \
98 static const char s_ ## FNAME [] = PRIMNAME; \
101 SCM_SNARF_INIT(scm_make_subr (s_ ## FNAME, TYPE, FNAME); ) \
103 SCM__D1 PRIMNAME #ARGLIST | 2 | 0 | 0 | __FILE__:__LINE__ | SCM__S DOCSTRING SCM__E \
106 #define SCM_PROC(RANAME, STR, REQ, OPT, VAR, CFN) \
107 SCM_SNARF_HERE(static const char RANAME[]=STR) \
108 SCM_SNARF_INIT(scm_make_gsubr (RANAME, REQ, OPT, VAR, \
109 (SCM_FUNC_CAST_ARBITRARY_ARGS) CFN))
111 #define SCM_REGISTER_PROC(RANAME, STR, REQ, OPT, VAR, CFN) \
112 SCM_SNARF_HERE(static const char RANAME[]=STR) \
113 SCM_SNARF_INIT(scm_make_gsubr (RANAME, REQ, OPT, VAR, \
114 (SCM_FUNC_CAST_ARBITRARY_ARGS) CFN);) \
116 SCM__DR STR | REQ | OPT | VAR | __FILE__:__LINE__ | SCM__S CFN SCM__E \
119 #define SCM_GPROC(RANAME, STR, REQ, OPT, VAR, CFN, GF) \
121 static const char RANAME[]=STR;\
124 GF = SCM_PACK (0); /* Dirk:FIXME:: Can we safely use #f instead of 0? */ \
125 scm_make_gsubr_with_generic (RANAME, REQ, OPT, VAR, \
126 (SCM_FUNC_CAST_ARBITRARY_ARGS) CFN, &GF) \
129 #define SCM_PROC1(RANAME, STR, TYPE, CFN) \
130 SCM_SNARF_HERE(static const char RANAME[]=STR) \
132 scm_make_subr (RANAME, TYPE, (SCM_FUNC_CAST_ARBITRARY_ARGS) CFN) \
136 #define SCM_GPROC1(RANAME, STR, TYPE, CFN, GF) \
138 static const char RANAME[]=STR; \
141 GF = SCM_PACK (0); /* Dirk:FIXME:: Can we safely use #f instead of 0? */ \
142 scm_make_subr_with_generic (RANAME, TYPE, \
143 (SCM_FUNC_CAST_ARBITRARY_ARGS) CFN, &GF) \
146 #define SCM_SYNTAX(RANAME, STR, TYPE, CFN) \
147 SCM_SNARF_HERE(static const char RANAME[]=STR)\
148 SCM_SNARF_INIT(scm_make_synt (RANAME, TYPE, CFN))
150 #define SCM_SYMBOL(c_name, scheme_name) \
151 SCM_SNARF_HERE(static SCM c_name) \
152 SCM_SNARF_INIT(c_name = scm_permanent_object (SCM_CAR (scm_intern0 (scheme_name))))
154 #define SCM_GLOBAL_SYMBOL(c_name, scheme_name) \
155 SCM_SNARF_HERE(SCM c_name) \
156 SCM_SNARF_INIT(c_name = scm_permanent_object (SCM_CAR (scm_intern0 (scheme_name))))
158 #define SCM_KEYWORD(c_name, scheme_name) \
159 SCM_SNARF_HERE(static SCM c_name) \
160 SCM_SNARF_INIT(c_name = scm_permanent_object (scm_c_make_keyword (scheme_name)))
162 #define SCM_GLOBAL_KEYWORD(c_name, scheme_name) \
163 SCM_SNARF_HERE(SCM c_name) \
164 SCM_SNARF_INIT(c_name = scm_permanent_object (scm_c_make_keyword (scheme_name)))
166 #define SCM_VCELL(c_name, scheme_name) \
167 SCM_SNARF_HERE(static SCM c_name) \
168 SCM_SNARF_INIT(c_name = scm_permanent_object (scm_intern0 (scheme_name)); SCM_SETCDR (c_name, SCM_BOOL_F))
170 #define SCM_GLOBAL_VCELL(c_name, scheme_name) \
171 SCM_SNARF_HERE(SCM c_name) \
172 SCM_SNARF_INIT(c_name = scm_permanent_object (scm_intern0 (scheme_name)); SCM_SETCDR (c_name, SCM_BOOL_F))
174 #define SCM_VCELL_INIT(c_name, scheme_name, init_val) \
175 SCM_SNARF_HERE(static SCM c_name) \
176 SCM_SNARF_INIT(c_name = scm_permanent_object (scm_intern0 (scheme_name)); SCM_SETCDR (c_name, init_val))
178 #define SCM_GLOBAL_VCELL_INIT(c_name, scheme_name, init_val) \
179 SCM_SNARF_HERE(SCM c_name) \
180 SCM_SNARF_INIT(c_name = scm_permanent_object (scm_intern0 (scheme_name)); SCM_SETCDR (c_name, init_val))
182 #define SCM_CONST_LONG(c_name, scheme_name,value) \
183 SCM_VCELL_INIT(c_name, scheme_name, scm_long2num(value))
185 #ifdef SCM_MAGIC_SNARFER
187 #define SCM_ASSERT(_cond, _arg, _pos, _subr) *&*&*&*SCM_ARG_BETTER_BE_IN_POSITION(_arg,_pos,__LINE__)
188 #endif /* SCM_MAGIC_SNARFER */
190 #endif /* LIBGUILE_SNARF_H */