Mercurial > hg > xemacs-beta
annotate src/console-tty.c @ 5331:7ea837399734
Avoid duplicate declarations, assumptions about HAVE_BIGNUM, fns.c
src/ChangeLog addition:
2011-01-02 Aidan Kehoe <kehoea@parhasard.net>
* fns.c (FdeleteX, FremoveX, Fnsubstitute, Fsubstitute, syms_of_fns):
Don't repeat the declaration and DEFSYMBOL() for Qnintersection in
this file; don't assume that bignums are always available. Fixes
some of the build problems the buildbot is showing me at the
moment.
author | Aidan Kehoe <kehoea@parhasard.net> |
---|---|
date | Sun, 02 Jan 2011 17:37:17 +0000 |
parents | 71ee43b8a74d |
children | 308d34e9f07d |
rev | line source |
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428 | 1 /* TTY console functions. |
2 Copyright (C) 1994, 1995 Board of Trustees, University of Illinois. | |
3 Copyright (C) 1994, 1995 Free Software Foundation, Inc. | |
800 | 4 Copyright (C) 1996, 2001, 2002 Ben Wing. |
428 | 5 |
6 This file is part of XEmacs. | |
7 | |
8 XEmacs is free software; you can redistribute it and/or modify it | |
9 under the terms of the GNU General Public License as published by the | |
10 Free Software Foundation; either version 2, or (at your option) any | |
11 later version. | |
12 | |
13 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 for more details. | |
17 | |
18 You should have received a copy of the GNU General Public License | |
19 along with XEmacs; see the file COPYING. If not, write to | |
20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
21 Boston, MA 02111-1307, USA. */ | |
22 | |
23 /* Synched up with: Not in FSF. */ | |
24 | |
25 /* Authors: Ben Wing and Chuck Thompson. */ | |
26 | |
27 #include <config.h> | |
28 #include "lisp.h" | |
29 | |
872 | 30 #include "console-tty-impl.h" |
428 | 31 #include "console-stream.h" |
872 | 32 |
2828 | 33 #include "elhash.h" |
428 | 34 #include "faces.h" |
872 | 35 #include "file-coding.h" |
428 | 36 #include "frame.h" |
872 | 37 #include "glyphs.h" |
428 | 38 #include "lstream.h" |
872 | 39 #include "process.h" |
40 | |
428 | 41 #include "sysdep.h" |
42 #include "sysfile.h" | |
43 | |
44 DEFINE_CONSOLE_TYPE (tty); | |
45 DECLARE_IMAGE_INSTANTIATOR_FORMAT (nothing); | |
46 DECLARE_IMAGE_INSTANTIATOR_FORMAT (string); | |
47 DECLARE_IMAGE_INSTANTIATOR_FORMAT (formatted_string); | |
48 DECLARE_IMAGE_INSTANTIATOR_FORMAT (inherit); | |
49 | |
50 Lisp_Object Qterminal_type; | |
51 Lisp_Object Qcontrolling_process; | |
52 | |
2850 | 53 Lisp_Object Vtty_seen_characters; |
2828 | 54 |
1204 | 55 static const struct memory_description tty_console_data_description_1 [] = { |
56 { XD_LISP_OBJECT, offsetof (struct tty_console, terminal_type) }, | |
57 { XD_LISP_OBJECT, offsetof (struct tty_console, instream) }, | |
58 { XD_LISP_OBJECT, offsetof (struct tty_console, outstream) }, | |
59 { XD_END } | |
60 }; | |
61 | |
3092 | 62 #ifdef NEW_GC |
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63 DEFINE_DUMPABLE_INTERNAL_LISP_OBJECT ("tty-console", tty_console, |
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64 0, tty_console_data_description_1, |
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65 Lisp_Tty_Console); |
3092 | 66 #else /* not NEW_GC */ |
1204 | 67 const struct sized_memory_description tty_console_data_description = { |
68 sizeof (struct tty_console), tty_console_data_description_1 | |
69 }; | |
3092 | 70 #endif /* not NEW_GC */ |
1204 | 71 |
428 | 72 |
73 static void | |
74 allocate_tty_console_struct (struct console *con) | |
75 { | |
76 /* zero out all slots except the lisp ones ... */ | |
3092 | 77 #ifdef NEW_GC |
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78 CONSOLE_TTY_DATA (con) = XTTY_CONSOLE (ALLOC_NORMAL_LISP_OBJECT (tty_console)); |
3092 | 79 #else /* not NEW_GC */ |
428 | 80 CONSOLE_TTY_DATA (con) = xnew_and_zero (struct tty_console); |
3092 | 81 #endif /* not NEW_GC */ |
428 | 82 CONSOLE_TTY_DATA (con)->terminal_type = Qnil; |
83 CONSOLE_TTY_DATA (con)->instream = Qnil; | |
84 CONSOLE_TTY_DATA (con)->outstream = Qnil; | |
85 } | |
86 | |
87 static void | |
88 tty_init_console (struct console *con, Lisp_Object props) | |
89 { | |
90 Lisp_Object tty = CONSOLE_CONNECTION (con); | |
91 Lisp_Object terminal_type = Qnil; | |
92 Lisp_Object controlling_process = Qnil; | |
93 struct tty_console *tty_con; | |
94 struct gcpro gcpro1, gcpro2; | |
95 | |
96 GCPRO2 (terminal_type, controlling_process); | |
97 | |
98 terminal_type = Fplist_get (props, Qterminal_type, Qnil); | |
99 controlling_process = Fplist_get (props, Qcontrolling_process, Qnil); | |
100 | |
101 /* Determine the terminal type */ | |
102 | |
103 if (!NILP (terminal_type)) | |
104 CHECK_STRING (terminal_type); | |
105 else | |
106 { | |
867 | 107 Ibyte *temp_type = egetenv ("TERM"); |
428 | 108 |
109 if (!temp_type) | |
110 { | |
563 | 111 invalid_state ("Cannot determine terminal type", Qunbound); |
428 | 112 } |
113 else | |
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114 terminal_type = build_istring (temp_type); |
428 | 115 } |
116 | |
117 /* Determine the controlling process */ | |
118 if (!NILP (controlling_process)) | |
119 CHECK_INT (controlling_process); | |
120 | |
121 /* Open the specified console */ | |
122 | |
123 allocate_tty_console_struct (con); | |
124 tty_con = CONSOLE_TTY_DATA (con); | |
125 | |
126 if (internal_equal (tty, Vstdio_str, 0)) | |
127 { | |
128 tty_con->infd = fileno (stdin); | |
129 tty_con->outfd = fileno (stdout); | |
130 tty_con->is_stdio = 1; | |
131 } | |
132 else | |
133 { | |
134 tty_con->infd = tty_con->outfd = | |
771 | 135 qxe_open (XSTRING_DATA (tty), O_RDWR); |
428 | 136 if (tty_con->infd < 0) |
563 | 137 signal_error (Qio_error, "Unable to open tty", tty); |
428 | 138 tty_con->is_stdio = 0; |
139 } | |
140 | |
802 | 141 /* set_descriptor_non_blocking (tty_con->infd); */ |
428 | 142 tty_con->instream = make_filedesc_input_stream (tty_con->infd, 0, -1, 0); |
771 | 143 Lstream_set_buffering (XLSTREAM (tty_con->instream), LSTREAM_UNBUFFERED, 0); |
428 | 144 tty_con->instream = |
771 | 145 make_coding_input_stream (XLSTREAM (tty_con->instream), |
146 get_coding_system_for_text_file (Qkeyboard, 0), | |
814 | 147 CODING_DECODE, |
148 LSTREAM_FL_READ_ONE_BYTE_AT_A_TIME); | |
771 | 149 Lstream_set_buffering (XLSTREAM (tty_con->instream), LSTREAM_UNBUFFERED, 0); |
150 tty_con->outstream = make_filedesc_output_stream (tty_con->outfd, 0, -1, 0); | |
428 | 151 tty_con->outstream = |
771 | 152 make_coding_output_stream (XLSTREAM (tty_con->outstream), |
153 get_coding_system_for_text_file (Qterminal, 0), | |
800 | 154 CODING_ENCODE, 0); |
428 | 155 tty_con->terminal_type = terminal_type; |
156 tty_con->controlling_process = controlling_process; | |
157 | |
3571 | 158 /* Defaults to 1 with Mule, 0 without. In the latter case the attribute is |
159 read-only from Lisp. */ | |
160 tty_con->multiple_width = CONSOLE_TTY_SUPPORTS_MULTIPLE_WIDTH(c); | |
161 | |
428 | 162 if (NILP (CONSOLE_NAME (con))) |
163 CONSOLE_NAME (con) = Ffile_name_nondirectory (tty); | |
164 { | |
442 | 165 pid_t tty_pg; |
166 pid_t controlling_tty_pg; | |
428 | 167 int cfd; |
168 | |
169 /* OK, the only sure-fire way I can think of to determine | |
170 whether a particular TTY is our controlling TTY is to check | |
171 if it has the same foreground process group as our controlling | |
172 TTY. This is OK because a process group can never simultaneously | |
173 be the foreground process group of two TTY's (in that case it | |
174 would have two controlling TTY's, which is not allowed). */ | |
175 | |
176 EMACS_GET_TTY_PROCESS_GROUP (tty_con->infd, &tty_pg); | |
867 | 177 cfd = qxe_open ((Ibyte *) "/dev/tty", O_RDWR, 0); |
428 | 178 EMACS_GET_TTY_PROCESS_GROUP (cfd, &controlling_tty_pg); |
771 | 179 retry_close (cfd); |
428 | 180 if (tty_pg == controlling_tty_pg) |
181 { | |
182 tty_con->controlling_terminal = 1; | |
793 | 183 Vcontrolling_terminal = wrap_console (con); |
428 | 184 munge_tty_process_group (); |
185 } | |
186 else | |
187 tty_con->controlling_terminal = 0; | |
188 } | |
189 | |
190 UNGCPRO; | |
191 } | |
192 | |
193 static void | |
194 tty_mark_console (struct console *con) | |
195 { | |
196 struct tty_console *tty_con = CONSOLE_TTY_DATA (con); | |
197 mark_object (tty_con->terminal_type); | |
198 mark_object (tty_con->instream); | |
199 mark_object (tty_con->outstream); | |
200 } | |
201 | |
202 static int | |
2286 | 203 tty_initially_selected_for_input (struct console *UNUSED (con)) |
428 | 204 { |
205 return 1; | |
206 } | |
207 | |
208 static void | |
209 free_tty_console_struct (struct console *con) | |
210 { | |
211 struct tty_console *tty_con = CONSOLE_TTY_DATA (con); | |
212 if (tty_con) | |
213 { | |
214 if (tty_con->term_entry_buffer) /* allocated in term_init () */ | |
215 { | |
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216 xfree (tty_con->term_entry_buffer); |
428 | 217 tty_con->term_entry_buffer = NULL; |
218 } | |
4117 | 219 #ifndef NEW_GC |
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220 xfree (tty_con); |
3092 | 221 #endif /* not NEW_GC */ |
428 | 222 CONSOLE_TTY_DATA (con) = NULL; |
223 } | |
224 } | |
225 | |
226 static void | |
227 tty_delete_console (struct console *con) | |
228 { | |
229 Lstream_close (XLSTREAM (CONSOLE_TTY_DATA (con)->instream)); | |
230 Lstream_close (XLSTREAM (CONSOLE_TTY_DATA (con)->outstream)); | |
231 if (!CONSOLE_TTY_DATA (con)->is_stdio) | |
771 | 232 retry_close (CONSOLE_TTY_DATA (con)->infd); |
428 | 233 if (CONSOLE_TTY_DATA (con)->controlling_terminal) |
234 { | |
235 Vcontrolling_terminal = Qnil; | |
236 unmunge_tty_process_group (); | |
237 } | |
238 free_tty_console_struct (con); | |
239 } | |
240 | |
241 | |
242 static struct console * | |
243 decode_tty_console (Lisp_Object console) | |
244 { | |
793 | 245 console = wrap_console (decode_console (console)); |
428 | 246 CHECK_TTY_CONSOLE (console); |
247 return XCONSOLE (console); | |
248 } | |
249 | |
250 DEFUN ("console-tty-terminal-type", Fconsole_tty_terminal_type, | |
251 0, 1, 0, /* | |
252 Return the terminal type of TTY console CONSOLE. | |
253 */ | |
254 (console)) | |
255 { | |
256 return CONSOLE_TTY_DATA (decode_tty_console (console))->terminal_type; | |
257 } | |
258 | |
259 DEFUN ("console-tty-controlling-process", Fconsole_tty_controlling_process, | |
260 0, 1, 0, /* | |
261 Return the controlling process of tty console CONSOLE. | |
262 */ | |
263 (console)) | |
264 { | |
265 return CONSOLE_TTY_DATA (decode_tty_console (console))->controlling_process; | |
266 } | |
267 | |
268 | |
269 DEFUN ("console-tty-input-coding-system", Fconsole_tty_input_coding_system, | |
270 0, 1, 0, /* | |
271 Return the input coding system of tty console CONSOLE. | |
272 */ | |
273 (console)) | |
274 { | |
771 | 275 return coding_stream_detected_coding_system |
428 | 276 (XLSTREAM (CONSOLE_TTY_DATA (decode_tty_console (console))->instream)); |
277 } | |
278 | |
279 DEFUN ("set-console-tty-input-coding-system", Fset_console_tty_input_coding_system, | |
280 0, 2, 0, /* | |
281 Set the input coding system of tty console CONSOLE to CODESYS. | |
282 CONSOLE defaults to the selected console. | |
283 CODESYS defaults to the value of `keyboard-coding-system'. | |
284 */ | |
285 (console, codesys)) | |
286 { | |
771 | 287 set_coding_stream_coding_system |
428 | 288 (XLSTREAM (CONSOLE_TTY_DATA (decode_tty_console (console))->instream), |
771 | 289 get_coding_system_for_text_file (NILP (codesys) ? Qkeyboard : codesys, |
290 0)); | |
428 | 291 return Qnil; |
292 } | |
293 | |
294 DEFUN ("console-tty-output-coding-system", Fconsole_tty_output_coding_system, | |
295 0, 1, 0, /* | |
296 Return TTY CONSOLE's output coding system. | |
297 */ | |
298 (console)) | |
299 { | |
771 | 300 return coding_stream_coding_system |
428 | 301 (XLSTREAM (CONSOLE_TTY_DATA (decode_tty_console (console))->outstream)); |
302 } | |
303 | |
304 DEFUN ("set-console-tty-output-coding-system", Fset_console_tty_output_coding_system, | |
305 0, 2, 0, /* | |
306 Set the coding system of tty output of console CONSOLE to CODESYS. | |
307 CONSOLE defaults to the selected console. | |
308 CODESYS defaults to the value of `terminal-coding-system'. | |
309 */ | |
310 (console, codesys)) | |
311 { | |
771 | 312 set_coding_stream_coding_system |
428 | 313 (XLSTREAM (CONSOLE_TTY_DATA (decode_tty_console (console))->outstream), |
771 | 314 get_coding_system_for_text_file (NILP (codesys) ? Qterminal : codesys, |
315 0)); | |
438 | 316 /* Redraw tty */ |
317 face_property_was_changed (Vdefault_face, Qfont, Qtty); | |
428 | 318 return Qnil; |
319 } | |
320 | |
3571 | 321 DEFUN ("console-tty-multiple-width", Fconsole_tty_multiple_width, |
322 0, 1, 0, /* | |
323 Return whether CONSOLE treats East Asian double-width chars as such. | |
324 | |
325 CONSOLE defaults to the selected console. Without XEmacs support for | |
326 double-width characters, this always gives nil. | |
327 */ | |
328 (console)) | |
329 { | |
330 return CONSOLE_TTY_MULTIPLE_WIDTH (decode_tty_console(console)) | |
331 ? Qt : Qnil; | |
332 } | |
333 | |
334 DEFUN ("set-console-tty-multiple-width", Fset_console_tty_multiple_width, | |
335 0, 2, 0, /* | |
336 Set whether CONSOLE treats East Asian double-width characters as such. | |
337 | |
338 CONSOLE defaults to the selected console, and VALUE defaults to nil. | |
339 Without XEmacs support for double-width characters, this throws an error if | |
340 VALUE is non-nil. | |
341 */ | |
342 (console, value)) | |
343 { | |
344 struct console *c = decode_tty_console (console); | |
345 | |
346 /* So people outside of East Asia can put (set-console-tty-multiple-width | |
347 (selected-console) nil) in their init files, independent of whether | |
348 Mule is enabled. */ | |
349 if (!CONSOLE_TTY_MULTIPLE_WIDTH (c) && NILP(value)) | |
350 { | |
351 return Qnil; | |
352 } | |
353 | |
354 if (!CONSOLE_TTY_SUPPORTS_MULTIPLE_WIDTH (c)) | |
355 { | |
356 invalid_change | |
357 ("No console support for double-width chars", | |
358 Fmake_symbol(CONSOLE_NAME(c))); | |
359 } | |
360 | |
361 CONSOLE_TTY_DATA(c)->multiple_width = NILP(value) ? 0 : 1; | |
362 | |
363 return Qnil; | |
364 } | |
365 | |
440 | 366 /* #### Move this function to lisp */ |
428 | 367 DEFUN ("set-console-tty-coding-system", Fset_console_tty_coding_system, |
368 0, 2, 0, /* | |
369 Set the input and output coding systems of tty console CONSOLE to CODESYS. | |
370 CONSOLE defaults to the selected console. | |
371 If CODESYS is nil, the values of `keyboard-coding-system' and | |
372 `terminal-coding-system' will be used for the input and | |
373 output coding systems of CONSOLE. | |
374 */ | |
375 (console, codesys)) | |
376 { | |
377 Fset_console_tty_input_coding_system (console, codesys); | |
378 Fset_console_tty_output_coding_system (console, codesys); | |
379 return Qnil; | |
380 } | |
381 | |
382 | |
383 Lisp_Object | |
384 tty_semi_canonicalize_console_connection (Lisp_Object connection, | |
578 | 385 Error_Behavior errb) |
428 | 386 { |
387 return stream_semi_canonicalize_console_connection (connection, errb); | |
388 } | |
389 | |
390 Lisp_Object | |
391 tty_canonicalize_console_connection (Lisp_Object connection, | |
578 | 392 Error_Behavior errb) |
428 | 393 { |
394 return stream_canonicalize_console_connection (connection, errb); | |
395 } | |
396 | |
397 Lisp_Object | |
398 tty_semi_canonicalize_device_connection (Lisp_Object connection, | |
578 | 399 Error_Behavior errb) |
428 | 400 { |
401 return stream_semi_canonicalize_console_connection (connection, errb); | |
402 } | |
403 | |
404 Lisp_Object | |
405 tty_canonicalize_device_connection (Lisp_Object connection, | |
578 | 406 Error_Behavior errb) |
428 | 407 { |
408 return stream_canonicalize_console_connection (connection, errb); | |
409 } | |
410 | |
2828 | 411 static Lisp_Object |
412 tty_perhaps_init_unseen_key_defaults (struct console *UNUSED(con), | |
413 Lisp_Object key) | |
414 { | |
415 Ichar val; | |
416 extern Lisp_Object Vcurrent_global_map; | |
417 | |
418 if (SYMBOLP(key)) | |
419 { | |
420 /* We've no idea what to default an unknown symbol to on the TTY. */ | |
421 return Qnil; | |
422 } | |
423 | |
424 CHECK_CHAR(key); | |
425 | |
2850 | 426 if (!(HASH_TABLEP(Vtty_seen_characters))) |
2828 | 427 { |
428 /* All the keysyms we deal with are character objects; therefore, we | |
429 can use eq as the test without worrying. */ | |
2850 | 430 Vtty_seen_characters = make_lisp_hash_table (128, HASH_TABLE_NON_WEAK, |
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431 Qeq); |
2828 | 432 } |
433 | |
434 /* Might give the user an opaque error if make_lisp_hash_table fails, | |
435 but it won't crash. */ | |
2850 | 436 CHECK_HASH_TABLE(Vtty_seen_characters); |
2828 | 437 |
438 val = XCHAR(key); | |
439 | |
440 /* Same logic as in x_has_keysym; I'm not convinced it's always sane. */ | |
441 if (val < 0x80) | |
442 { | |
443 return Qnil; | |
444 } | |
445 | |
2850 | 446 if (!NILP(Fgethash(key, Vtty_seen_characters, Qnil))) |
2828 | 447 { |
448 return Qnil; | |
449 } | |
450 | |
451 if (NILP (Flookup_key (Vcurrent_global_map, key, Qnil))) | |
452 { | |
2850 | 453 Fputhash(key, Qt, Vtty_seen_characters); |
2828 | 454 Fdefine_key (Vcurrent_global_map, key, Qself_insert_command); |
455 return Qt; | |
456 } | |
457 | |
458 return Qnil; | |
459 } | |
460 | |
428 | 461 |
462 /************************************************************************/ | |
463 /* initialization */ | |
464 /************************************************************************/ | |
465 | |
466 void | |
467 syms_of_console_tty (void) | |
468 { | |
469 DEFSUBR (Fconsole_tty_terminal_type); | |
470 DEFSUBR (Fconsole_tty_controlling_process); | |
563 | 471 DEFSYMBOL (Qterminal_type); |
472 DEFSYMBOL (Qcontrolling_process); | |
428 | 473 DEFSUBR (Fconsole_tty_output_coding_system); |
474 DEFSUBR (Fset_console_tty_output_coding_system); | |
475 DEFSUBR (Fconsole_tty_input_coding_system); | |
476 DEFSUBR (Fset_console_tty_input_coding_system); | |
477 DEFSUBR (Fset_console_tty_coding_system); | |
3571 | 478 DEFSUBR (Fconsole_tty_multiple_width); |
479 DEFSUBR (Fset_console_tty_multiple_width); | |
428 | 480 } |
481 | |
482 void | |
483 console_type_create_tty (void) | |
484 { | |
485 INITIALIZE_CONSOLE_TYPE (tty, "tty", "console-tty-p"); | |
486 | |
487 /* console methods */ | |
488 CONSOLE_HAS_METHOD (tty, init_console); | |
489 CONSOLE_HAS_METHOD (tty, mark_console); | |
490 CONSOLE_HAS_METHOD (tty, initially_selected_for_input); | |
491 CONSOLE_HAS_METHOD (tty, delete_console); | |
492 CONSOLE_HAS_METHOD (tty, canonicalize_console_connection); | |
493 CONSOLE_HAS_METHOD (tty, canonicalize_device_connection); | |
494 CONSOLE_HAS_METHOD (tty, semi_canonicalize_console_connection); | |
495 CONSOLE_HAS_METHOD (tty, semi_canonicalize_device_connection); | |
2828 | 496 CONSOLE_HAS_METHOD (tty, perhaps_init_unseen_key_defaults); |
428 | 497 } |
498 | |
499 void | |
500 reinit_console_type_create_tty (void) | |
501 { | |
502 REINITIALIZE_CONSOLE_TYPE (tty); | |
503 } | |
504 | |
505 void | |
506 image_instantiator_format_create_glyphs_tty (void) | |
507 { | |
508 IIFORMAT_VALID_CONSOLE (tty, nothing); | |
509 IIFORMAT_VALID_CONSOLE (tty, string); | |
510 IIFORMAT_VALID_CONSOLE (tty, formatted_string); | |
511 IIFORMAT_VALID_CONSOLE (tty, inherit); | |
512 } | |
513 | |
514 void | |
515 vars_of_console_tty (void) | |
516 { | |
2850 | 517 DEFVAR_LISP ("tty-seen-characters", &Vtty_seen_characters /* |
518 Hash table of non-ASCII characters the TTY subsystem has seen. | |
519 */ ); | |
520 Vtty_seen_characters = Qnil; | |
428 | 521 Fprovide (Qtty); |
522 } |