Commit | Line | Data |
---|---|---|
7dc6e754 | 1 | /* Copyright (C) 1995,1996,1997 Free Software Foundation, Inc. |
0f2d19dd JB |
2 | * |
3 | * This program is free software; you can redistribute it and/or modify | |
4 | * it under the terms of the GNU General Public License as published by | |
5 | * the Free Software Foundation; either version 2, or (at your option) | |
6 | * any later version. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this software; see the file COPYING. If not, write to | |
82892bed JB |
15 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
16 | * Boston, MA 02111-1307 USA | |
0f2d19dd JB |
17 | * |
18 | * As a special exception, the Free Software Foundation gives permission | |
19 | * for additional uses of the text contained in its release of GUILE. | |
20 | * | |
21 | * The exception is that, if you link the GUILE library with other files | |
22 | * to produce an executable, this does not by itself cause the | |
23 | * resulting executable to be covered by the GNU General Public License. | |
24 | * Your use of that executable is in no way restricted on account of | |
25 | * linking the GUILE library code into it. | |
26 | * | |
27 | * This exception does not however invalidate any other reasons why | |
28 | * the executable file might be covered by the GNU General Public License. | |
29 | * | |
30 | * This exception applies only to the code released by the | |
31 | * Free Software Foundation under the name GUILE. If you copy | |
32 | * code from other Free Software Foundation releases into a copy of | |
33 | * GUILE, as the General Public License permits, the exception does | |
34 | * not apply to the code that you add in this way. To avoid misleading | |
35 | * anyone as to the status of such modified files, you must delete | |
36 | * this exception notice from them. | |
37 | * | |
38 | * If you write modifications of your own for GUILE, it is your choice | |
39 | * whether to permit this exception to apply to your modifications. | |
82892bed | 40 | * If you do not wish that, delete this exception notice. */ |
0f2d19dd JB |
41 | \f |
42 | ||
43 | #include <stdio.h> | |
44 | #include "_scm.h" | |
45 | ||
20e6290e | 46 | #include "procs.h" |
0f2d19dd JB |
47 | \f |
48 | ||
49 | ||
50 | /* {Procedures} | |
51 | */ | |
52 | ||
1cc91f1b | 53 | |
0f2d19dd JB |
54 | SCM |
55 | scm_make_subr_opt (name, type, fcn, set) | |
56 | char *name; | |
57 | int type; | |
58 | SCM (*fcn) (); | |
59 | int set; | |
0f2d19dd JB |
60 | { |
61 | SCM symcell; | |
62 | long tmp; | |
63 | register SCM z; | |
64 | symcell = scm_sysintern (name, SCM_UNDEFINED); | |
65 | tmp = ((((SCM_CELLPTR) (SCM_CAR (symcell))) - scm_heap_org) << 8); | |
66 | if ((tmp >> 8) != ((SCM_CELLPTR) (SCM_CAR (symcell)) - scm_heap_org)) | |
67 | tmp = 0; | |
68 | SCM_NEWCELL (z); | |
69 | SCM_SUBRF (z) = fcn; | |
a6c64c3c | 70 | SCM_SETCAR (z, tmp + type); |
0f2d19dd | 71 | if (set) |
a6c64c3c | 72 | SCM_SETCDR (symcell, z); |
0f2d19dd JB |
73 | return z; |
74 | } | |
75 | ||
76 | ||
1cc91f1b | 77 | |
0f2d19dd JB |
78 | SCM |
79 | scm_make_subr (name, type, fcn) | |
80 | char *name; | |
81 | int type; | |
82 | SCM (*fcn) (); | |
0f2d19dd JB |
83 | { |
84 | return scm_make_subr_opt (name, type, fcn, 1); | |
85 | } | |
86 | ||
87 | #ifdef CCLO | |
1cc91f1b | 88 | |
0f2d19dd JB |
89 | SCM |
90 | scm_makcclo (proc, len) | |
91 | SCM proc; | |
92 | long len; | |
0f2d19dd JB |
93 | { |
94 | SCM s; | |
95 | SCM_NEWCELL (s); | |
96 | SCM_DEFER_INTS; | |
97 | SCM_SETCHARS (s, scm_must_malloc (len * sizeof (SCM), "compiled-closure")); | |
98 | SCM_SETLENGTH (s, len, scm_tc7_cclo); | |
99 | while (--len) | |
100 | SCM_VELTS (s)[len] = SCM_UNSPECIFIED; | |
101 | SCM_CCLO_SUBR (s) = proc; | |
102 | SCM_ALLOW_INTS; | |
103 | return s; | |
104 | } | |
d88094f9 MD |
105 | |
106 | /* Undocumented debugging procedure */ | |
107 | #ifdef GUILE_DEBUG | |
108 | SCM_PROC (s_make_cclo, "make-cclo", 2, 0, 0, scm_make_cclo); | |
109 | ||
110 | SCM | |
111 | scm_make_cclo (proc, len) | |
112 | SCM proc; | |
113 | SCM len; | |
114 | { | |
115 | return scm_makcclo (proc, SCM_INUM (len)); | |
116 | } | |
117 | #endif | |
0f2d19dd JB |
118 | #endif |
119 | ||
120 | ||
121 | ||
122 | SCM_PROC(s_procedure_p, "procedure?", 1, 0, 0, scm_procedure_p); | |
1cc91f1b | 123 | |
0f2d19dd JB |
124 | SCM |
125 | scm_procedure_p (obj) | |
126 | SCM obj; | |
0f2d19dd JB |
127 | { |
128 | if (SCM_NIMP (obj)) | |
129 | switch (SCM_TYP7 (obj)) | |
130 | { | |
131 | case scm_tcs_closures: | |
132 | case scm_tc7_contin: | |
133 | case scm_tcs_subrs: | |
134 | #ifdef CCLO | |
135 | case scm_tc7_cclo: | |
136 | #endif | |
137 | return SCM_BOOL_T; | |
138 | default: | |
139 | return SCM_BOOL_F; | |
140 | } | |
141 | return SCM_BOOL_F; | |
142 | } | |
143 | ||
ecdb5eb2 MD |
144 | SCM_PROC(s_closure_p, "closure?", 1, 0, 0, scm_closure_p); |
145 | ||
146 | SCM | |
147 | scm_closure_p (obj) | |
148 | SCM obj; | |
149 | { | |
80ea260c | 150 | return SCM_NIMP (obj) && SCM_CLOSUREP (obj) ? SCM_BOOL_T : SCM_BOOL_F; |
ecdb5eb2 MD |
151 | } |
152 | ||
f76c22af MD |
153 | SCM_PROC(s_thunk_p, "thunk?", 1, 0, 0, scm_thunk_p); |
154 | ||
44bd53b9 MD |
155 | #ifdef __STDC__ |
156 | SCM | |
157 | scm_thunk_p (SCM obj) | |
158 | #else | |
159 | SCM | |
160 | scm_thunk_p (obj) | |
161 | SCM obj; | |
162 | #endif | |
163 | { | |
164 | if (SCM_NIMP (obj)) | |
165 | switch (SCM_TYP7 (obj)) | |
166 | { | |
167 | case scm_tcs_closures: | |
168 | if (SCM_NULLP (SCM_CAR (SCM_CODE (obj)))) | |
169 | return SCM_BOOL_T; | |
170 | case scm_tc7_subr_0: | |
171 | case scm_tc7_subr_1o: | |
172 | case scm_tc7_lsubr: | |
173 | case scm_tc7_rpsubr: | |
174 | case scm_tc7_asubr: | |
175 | #ifdef CCLO | |
176 | case scm_tc7_cclo: | |
177 | #endif | |
178 | return SCM_BOOL_T; | |
179 | default: | |
180 | ; | |
181 | } | |
182 | return SCM_BOOL_F; | |
183 | } | |
184 | ||
c2c82fba MD |
185 | SCM_PROC(s_procedure_documentation, "procedure-documentation", 1, 0, 0, scm_procedure_documentation); |
186 | ||
187 | SCM | |
188 | scm_procedure_documentation (proc) | |
189 | SCM proc; | |
190 | { | |
191 | SCM code; | |
192 | SCM_ASSERT (SCM_BOOL_T == scm_procedure_p (proc) && SCM_NIMP (proc) && SCM_TYP7 (proc) != scm_tc7_contin, | |
193 | proc, SCM_ARG1, s_procedure_documentation); | |
194 | switch (SCM_TYP7 (proc)) | |
195 | { | |
196 | case scm_tcs_closures: | |
197 | code = SCM_CDR (SCM_CODE (proc)); | |
198 | if (SCM_IMP (SCM_CDR (code))) | |
199 | return SCM_BOOL_F; | |
200 | code = SCM_CAR (code); | |
201 | if (SCM_IMP (code)) | |
202 | return SCM_BOOL_F; | |
203 | if (SCM_STRINGP (code)) | |
204 | return code; | |
205 | default: | |
206 | return SCM_BOOL_F; | |
207 | /* | |
208 | case scm_tcs_subrs: | |
209 | #ifdef CCLO | |
210 | case scm_tc7_cclo: | |
211 | #endif | |
212 | */ | |
213 | } | |
214 | } | |
215 | ||
0f2d19dd | 216 | |
1cc91f1b | 217 | |
0f2d19dd JB |
218 | void |
219 | scm_init_iprocs(subra, type) | |
220 | scm_iproc *subra; | |
221 | int type; | |
0f2d19dd JB |
222 | { |
223 | for(;subra->scm_string; subra++) | |
224 | scm_make_subr(subra->scm_string, | |
225 | type, | |
226 | subra->cproc); | |
227 | } | |
228 | ||
229 | ||
230 | ||
231 | ||
1cc91f1b | 232 | |
0f2d19dd JB |
233 | void |
234 | scm_init_procs () | |
0f2d19dd JB |
235 | { |
236 | #include "procs.x" | |
237 | } | |
238 |