Commit | Line | Data |
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dbb605f5 | 1 | /* Copyright (C) 1995,1996,1997,1999,2000,2001, 2006, 2008 Free Software Foundation, Inc. |
0f2d19dd | 2 | * |
73be1d9e MV |
3 | * This library is free software; you can redistribute it and/or |
4 | * modify it under the terms of the GNU Lesser General Public | |
5 | * License as published by the Free Software Foundation; either | |
6 | * version 2.1 of the License, or (at your option) any later version. | |
0f2d19dd | 7 | * |
73be1d9e MV |
8 | * This library 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 GNU | |
11 | * Lesser General Public License for more details. | |
0f2d19dd | 12 | * |
73be1d9e MV |
13 | * You should have received a copy of the GNU Lesser General Public |
14 | * License along with this library; if not, write to the Free Software | |
92205699 | 15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
73be1d9e | 16 | */ |
1bbd0b84 | 17 | |
1bbd0b84 | 18 | |
0f2d19dd | 19 | \f |
dbb605f5 LC |
20 | #ifdef HAVE_CONFIG_H |
21 | # include <config.h> | |
22 | #endif | |
0f2d19dd | 23 | |
a0599745 | 24 | #include "libguile/_scm.h" |
0f2d19dd | 25 | |
a0599745 MD |
26 | #include "libguile/objects.h" |
27 | #include "libguile/strings.h" | |
28 | #include "libguile/vectors.h" | |
0717dfd8 | 29 | #include "libguile/smob.h" |
c88a8162 | 30 | #include "libguile/deprecation.h" |
bdc88419 | 31 | |
a0599745 MD |
32 | #include "libguile/validate.h" |
33 | #include "libguile/procs.h" | |
0f2d19dd JB |
34 | \f |
35 | ||
36 | ||
37 | /* {Procedures} | |
38 | */ | |
39 | ||
92c2555f | 40 | scm_t_subr_entry *scm_subr_table; |
9de33deb | 41 | |
98f9c984 | 42 | /* libguile contained approx. 700 primitive procedures on 24 Aug 1999. */ |
9de33deb | 43 | |
7c582ec9 MG |
44 | /* Increased to 800 on 2001-05-07 -- Guile now has 779 primitives on |
45 | startup, 786 with guile-readline. 'martin */ | |
46 | ||
c014a02e ML |
47 | long scm_subr_table_size = 0; |
48 | long scm_subr_table_room = 800; | |
1cc91f1b | 49 | |
0f2d19dd | 50 | SCM |
c014a02e | 51 | scm_c_make_subr (const char *name, long type, SCM (*fcn) ()) |
0f2d19dd | 52 | { |
0f2d19dd | 53 | register SCM z; |
c014a02e | 54 | long entry; |
9de33deb MD |
55 | |
56 | if (scm_subr_table_size == scm_subr_table_room) | |
57 | { | |
c014a02e | 58 | long new_size = scm_subr_table_room * 3 / 2; |
98f9c984 | 59 | void *new_table |
4c9419ac MV |
60 | = scm_realloc ((char *) scm_subr_table, |
61 | sizeof (scm_t_subr_entry) * new_size); | |
9de33deb MD |
62 | scm_subr_table = new_table; |
63 | scm_subr_table_room = new_size; | |
64 | } | |
65 | ||
9de33deb | 66 | entry = scm_subr_table_size; |
d3be5514 | 67 | z = scm_immutable_cell ((entry << 8) + type, (scm_t_bits) fcn); |
9de33deb | 68 | scm_subr_table[entry].handle = z; |
cc95e00a | 69 | scm_subr_table[entry].name = scm_from_locale_symbol (name); |
9de33deb | 70 | scm_subr_table[entry].generic = 0; |
23a62df4 | 71 | scm_subr_table[entry].properties = SCM_EOL; |
9de33deb MD |
72 | scm_subr_table_size++; |
73 | ||
0f2d19dd JB |
74 | return z; |
75 | } | |
76 | ||
c88a8162 | 77 | SCM |
c014a02e | 78 | scm_c_define_subr (const char *name, long type, SCM (*fcn) ()) |
c88a8162 MV |
79 | { |
80 | SCM subr = scm_c_make_subr (name, type, fcn); | |
81 | scm_define (SCM_SUBR_ENTRY(subr).name, subr); | |
82 | return subr; | |
83 | } | |
84 | ||
c88a8162 MV |
85 | SCM |
86 | scm_c_make_subr_with_generic (const char *name, | |
c014a02e | 87 | long type, SCM (*fcn) (), SCM *gf) |
0f2d19dd | 88 | { |
c88a8162 MV |
89 | SCM subr = scm_c_make_subr (name, type, fcn); |
90 | SCM_SUBR_ENTRY(subr).generic = gf; | |
91 | return subr; | |
0f2d19dd JB |
92 | } |
93 | ||
9de33deb | 94 | SCM |
c88a8162 | 95 | scm_c_define_subr_with_generic (const char *name, |
c014a02e | 96 | long type, SCM (*fcn) (), SCM *gf) |
9de33deb | 97 | { |
c88a8162 MV |
98 | SCM subr = scm_c_make_subr_with_generic (name, type, fcn, gf); |
99 | scm_define (SCM_SUBR_ENTRY(subr).name, subr); | |
9de33deb MD |
100 | return subr; |
101 | } | |
102 | ||
9de33deb MD |
103 | |
104 | #ifdef CCLO | |
0f2d19dd | 105 | SCM |
1be6b49c | 106 | scm_makcclo (SCM proc, size_t len) |
0f2d19dd | 107 | { |
4c9419ac MV |
108 | scm_t_bits *base = scm_gc_malloc (len * sizeof (scm_t_bits), |
109 | "compiled closure"); | |
74cc8503 | 110 | unsigned long i; |
0f2d19dd | 111 | SCM s; |
74cc8503 DH |
112 | |
113 | for (i = 0; i < len; ++i) | |
114 | base [i] = SCM_UNPACK (SCM_UNSPECIFIED); | |
115 | ||
228a24ef | 116 | s = scm_cell (SCM_MAKE_CCLO_TAG (len), (scm_t_bits) base); |
74cc8503 | 117 | SCM_SET_CCLO_SUBR (s, proc); |
0f2d19dd JB |
118 | return s; |
119 | } | |
d88094f9 MD |
120 | |
121 | /* Undocumented debugging procedure */ | |
122 | #ifdef GUILE_DEBUG | |
a1ec6916 | 123 | SCM_DEFINE (scm_make_cclo, "make-cclo", 2, 0, 0, |
1bbd0b84 | 124 | (SCM proc, SCM len), |
8cf97abf MG |
125 | "Create a compiled closure for @var{proc}, which reserves\n" |
126 | "@var{len} objects for its usage.") | |
1bbd0b84 | 127 | #define FUNC_NAME s_scm_make_cclo |
d88094f9 | 128 | { |
e11e83f3 | 129 | return scm_makcclo (proc, scm_to_size_t (len)); |
d88094f9 | 130 | } |
1bbd0b84 | 131 | #undef FUNC_NAME |
d88094f9 | 132 | #endif |
0f2d19dd JB |
133 | #endif |
134 | ||
135 | ||
136 | ||
3b3b36dd | 137 | SCM_DEFINE (scm_procedure_p, "procedure?", 1, 0, 0, |
8cf97abf MG |
138 | (SCM obj), |
139 | "Return @code{#t} if @var{obj} is a procedure.") | |
1bbd0b84 | 140 | #define FUNC_NAME s_scm_procedure_p |
0f2d19dd JB |
141 | { |
142 | if (SCM_NIMP (obj)) | |
143 | switch (SCM_TYP7 (obj)) | |
144 | { | |
904a077d | 145 | case scm_tcs_struct: |
bdc88419 MD |
146 | if (!SCM_I_OPERATORP (obj)) |
147 | break; | |
0f2d19dd | 148 | case scm_tcs_closures: |
0f2d19dd JB |
149 | case scm_tcs_subrs: |
150 | #ifdef CCLO | |
151 | case scm_tc7_cclo: | |
152 | #endif | |
b4cd6492 | 153 | case scm_tc7_pws: |
0f2d19dd | 154 | return SCM_BOOL_T; |
0717dfd8 | 155 | case scm_tc7_smob: |
7888309b | 156 | return scm_from_bool (SCM_SMOB_DESCRIPTOR (obj).apply); |
0f2d19dd JB |
157 | default: |
158 | return SCM_BOOL_F; | |
159 | } | |
160 | return SCM_BOOL_F; | |
161 | } | |
1bbd0b84 | 162 | #undef FUNC_NAME |
0f2d19dd | 163 | |
3b3b36dd | 164 | SCM_DEFINE (scm_closure_p, "closure?", 1, 0, 0, |
1bbd0b84 | 165 | (SCM obj), |
8cf97abf | 166 | "Return @code{#t} if @var{obj} is a closure.") |
1bbd0b84 | 167 | #define FUNC_NAME s_scm_closure_p |
ecdb5eb2 | 168 | { |
7888309b | 169 | return scm_from_bool (SCM_CLOSUREP (obj)); |
ecdb5eb2 | 170 | } |
1bbd0b84 | 171 | #undef FUNC_NAME |
ecdb5eb2 | 172 | |
3b3b36dd | 173 | SCM_DEFINE (scm_thunk_p, "thunk?", 1, 0, 0, |
8cf97abf MG |
174 | (SCM obj), |
175 | "Return @code{#t} if @var{obj} is a thunk.") | |
1bbd0b84 | 176 | #define FUNC_NAME s_scm_thunk_p |
44bd53b9 MD |
177 | { |
178 | if (SCM_NIMP (obj)) | |
b4cd6492 MD |
179 | { |
180 | again: | |
181 | switch (SCM_TYP7 (obj)) | |
182 | { | |
183 | case scm_tcs_closures: | |
d2e53ed6 | 184 | return scm_from_bool (!scm_is_pair (SCM_CLOSURE_FORMALS (obj))); |
b4cd6492 MD |
185 | case scm_tc7_subr_0: |
186 | case scm_tc7_subr_1o: | |
187 | case scm_tc7_lsubr: | |
188 | case scm_tc7_rpsubr: | |
189 | case scm_tc7_asubr: | |
44bd53b9 | 190 | #ifdef CCLO |
b4cd6492 | 191 | case scm_tc7_cclo: |
44bd53b9 | 192 | #endif |
b4cd6492 MD |
193 | return SCM_BOOL_T; |
194 | case scm_tc7_pws: | |
195 | obj = SCM_PROCEDURE (obj); | |
196 | goto again; | |
197 | default: | |
198 | ; | |
199 | } | |
200 | } | |
44bd53b9 MD |
201 | return SCM_BOOL_F; |
202 | } | |
1bbd0b84 | 203 | #undef FUNC_NAME |
44bd53b9 | 204 | |
9de33deb MD |
205 | /* Only used internally. */ |
206 | int | |
207 | scm_subr_p (SCM obj) | |
208 | { | |
209 | if (SCM_NIMP (obj)) | |
210 | switch (SCM_TYP7 (obj)) | |
211 | { | |
212 | case scm_tcs_subrs: | |
213 | return 1; | |
214 | default: | |
215 | ; | |
216 | } | |
217 | return 0; | |
218 | } | |
219 | ||
3b3b36dd | 220 | SCM_DEFINE (scm_procedure_documentation, "procedure-documentation", 1, 0, 0, |
1bbd0b84 | 221 | (SCM proc), |
b380b885 MD |
222 | "Return the documentation string associated with @code{proc}. By\n" |
223 | "convention, if a procedure contains more than one expression and the\n" | |
224 | "first expression is a string constant, that string is assumed to contain\n" | |
225 | "documentation for that procedure.") | |
1bbd0b84 | 226 | #define FUNC_NAME s_scm_procedure_documentation |
c2c82fba MD |
227 | { |
228 | SCM code; | |
bc36d050 | 229 | SCM_ASSERT (scm_is_true (scm_procedure_p (proc)), |
9a09deb1 | 230 | proc, SCM_ARG1, FUNC_NAME); |
c2c82fba MD |
231 | switch (SCM_TYP7 (proc)) |
232 | { | |
233 | case scm_tcs_closures: | |
f9450cdb | 234 | code = SCM_CLOSURE_BODY (proc); |
d2e53ed6 | 235 | if (scm_is_null (SCM_CDR (code))) |
c2c82fba MD |
236 | return SCM_BOOL_F; |
237 | code = SCM_CAR (code); | |
7f9994d9 | 238 | if (scm_is_string (code)) |
c2c82fba | 239 | return code; |
5c9e7dad DH |
240 | else |
241 | return SCM_BOOL_F; | |
c2c82fba MD |
242 | default: |
243 | return SCM_BOOL_F; | |
244 | /* | |
245 | case scm_tcs_subrs: | |
246 | #ifdef CCLO | |
247 | case scm_tc7_cclo: | |
248 | #endif | |
249 | */ | |
250 | } | |
251 | } | |
1bbd0b84 | 252 | #undef FUNC_NAME |
c2c82fba | 253 | |
0f2d19dd | 254 | |
b4cd6492 MD |
255 | /* Procedure-with-setter |
256 | */ | |
257 | ||
a1ec6916 | 258 | SCM_DEFINE (scm_procedure_with_setter_p, "procedure-with-setter?", 1, 0, 0, |
1bbd0b84 | 259 | (SCM obj), |
8cf97abf MG |
260 | "Return @code{#t} if @var{obj} is a procedure with an\n" |
261 | "associated setter procedure.") | |
1bbd0b84 | 262 | #define FUNC_NAME s_scm_procedure_with_setter_p |
b4cd6492 | 263 | { |
7888309b | 264 | return scm_from_bool(SCM_PROCEDURE_WITH_SETTER_P (obj)); |
b4cd6492 | 265 | } |
1bbd0b84 | 266 | #undef FUNC_NAME |
b4cd6492 | 267 | |
a1ec6916 | 268 | SCM_DEFINE (scm_make_procedure_with_setter, "make-procedure-with-setter", 2, 0, 0, |
1bbd0b84 | 269 | (SCM procedure, SCM setter), |
8cf97abf MG |
270 | "Create a new procedure which behaves like @var{procedure}, but\n" |
271 | "with the associated setter @var{setter}.") | |
1bbd0b84 | 272 | #define FUNC_NAME s_scm_make_procedure_with_setter |
b4cd6492 | 273 | { |
e1f8eb2b MD |
274 | SCM_VALIDATE_PROC (1, procedure); |
275 | SCM_VALIDATE_PROC (2, setter); | |
228a24ef DH |
276 | return scm_double_cell (scm_tc7_pws, |
277 | SCM_UNPACK (procedure), | |
278 | SCM_UNPACK (setter), 0); | |
b4cd6492 | 279 | } |
1bbd0b84 | 280 | #undef FUNC_NAME |
b4cd6492 | 281 | |
a1ec6916 | 282 | SCM_DEFINE (scm_procedure, "procedure", 1, 0, 0, |
1bbd0b84 | 283 | (SCM proc), |
8cf97abf MG |
284 | "Return the procedure of @var{proc}, which must be either a\n" |
285 | "procedure with setter, or an operator struct.") | |
1bbd0b84 | 286 | #define FUNC_NAME s_scm_procedure |
b4cd6492 | 287 | { |
e1f8eb2b | 288 | SCM_VALIDATE_NIM (1, proc); |
b4cd6492 MD |
289 | if (SCM_PROCEDURE_WITH_SETTER_P (proc)) |
290 | return SCM_PROCEDURE (proc); | |
291 | else if (SCM_STRUCTP (proc)) | |
292 | { | |
1bbd0b84 | 293 | SCM_ASSERT (SCM_I_OPERATORP (proc), proc, SCM_ARG1, FUNC_NAME); |
b4cd6492 MD |
294 | return proc; |
295 | } | |
1bbd0b84 | 296 | SCM_WRONG_TYPE_ARG (1, proc); |
4260a7fc | 297 | return SCM_BOOL_F; /* not reached */ |
b4cd6492 | 298 | } |
1bbd0b84 | 299 | #undef FUNC_NAME |
b4cd6492 | 300 | |
f5267231 | 301 | SCM_GPROC (s_setter, "setter", 1, 0, 0, scm_setter, g_setter); |
b4cd6492 MD |
302 | |
303 | SCM | |
304 | scm_setter (SCM proc) | |
305 | { | |
f5267231 | 306 | SCM_GASSERT1 (SCM_NIMP (proc), g_setter, proc, SCM_ARG1, s_setter); |
b4cd6492 MD |
307 | if (SCM_PROCEDURE_WITH_SETTER_P (proc)) |
308 | return SCM_SETTER (proc); | |
309 | else if (SCM_STRUCTP (proc)) | |
310 | { | |
c72a774a | 311 | SCM setter; |
f5267231 MD |
312 | SCM_GASSERT1 (SCM_I_OPERATORP (proc), |
313 | g_setter, proc, SCM_ARG1, s_setter); | |
c72a774a MD |
314 | setter = (SCM_I_ENTITYP (proc) |
315 | ? SCM_ENTITY_SETTER (proc) | |
316 | : SCM_OPERATOR_SETTER (proc)); | |
317 | if (SCM_NIMP (setter)) | |
318 | return setter; | |
319 | /* fall through */ | |
b4cd6492 | 320 | } |
f5267231 | 321 | SCM_WTA_DISPATCH_1 (g_setter, proc, SCM_ARG1, s_setter); |
b038d983 | 322 | return SCM_BOOL_F; /* not reached */ |
b4cd6492 | 323 | } |
1cc91f1b | 324 | |
9de33deb | 325 | |
9de33deb MD |
326 | void |
327 | scm_init_subr_table () | |
328 | { | |
329 | scm_subr_table | |
92c2555f | 330 | = ((scm_t_subr_entry *) |
4c9419ac | 331 | scm_malloc (sizeof (scm_t_subr_entry) * scm_subr_table_room)); |
9de33deb | 332 | } |
1cc91f1b | 333 | |
0f2d19dd JB |
334 | void |
335 | scm_init_procs () | |
0f2d19dd | 336 | { |
a0599745 | 337 | #include "libguile/procs.x" |
0f2d19dd | 338 | } |
89e00824 ML |
339 | |
340 | /* | |
341 | Local Variables: | |
342 | c-file-style: "gnu" | |
343 | End: | |
344 | */ |