Mercurial > hg > xemacs-beta
annotate src/console-stream.c @ 5464:e79916901603 r21-5-30
XEmacs 21.5.30 "garlic" is released.
| author | Stephen J. Turnbull <stephen@xemacs.org> |
|---|---|
| date | Wed, 27 Apr 2011 01:24:28 +0900 |
| parents | 7be849cb8828 |
| children | 308d34e9f07d |
| rev | line source |
|---|---|
| 428 | 1 /* Stream device functions. |
| 2 Copyright (C) 1995 Free Software Foundation, Inc. | |
| 1279 | 3 Copyright (C) 1996, 2001, 2002, 2003 Ben Wing. |
| 428 | 4 |
| 5 This file is part of XEmacs. | |
| 6 | |
| 7 XEmacs is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 9 Free Software Foundation; either version 2, or (at your option) any | |
| 10 later version. | |
| 11 | |
| 12 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 18 along with XEmacs; see the file COPYING. If not, write to | |
| 19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 20 Boston, MA 02111-1307, USA. */ | |
| 21 | |
| 22 /* Synched up with: Not in FSF. */ | |
| 23 | |
| 24 /* This file has been Mule-ized. */ | |
| 25 | |
| 26 /* Written by Ben Wing. */ | |
| 27 | |
| 28 #include <config.h> | |
| 29 #include "lisp.h" | |
| 30 | |
| 872 | 31 #include "device-impl.h" |
| 428 | 32 #include "events.h" |
| 872 | 33 #include "frame-impl.h" |
| 428 | 34 #include "redisplay.h" |
| 35 #include "sysdep.h" | |
| 800 | 36 #include "window.h" |
| 37 | |
| 872 | 38 #include "console-stream-impl.h" |
| 800 | 39 #include "console-tty.h" |
| 40 | |
| 428 | 41 #include "sysfile.h" |
| 42 | |
| 43 DEFINE_CONSOLE_TYPE (stream); | |
| 44 | |
| 45 Lisp_Object Vterminal_console; | |
| 46 Lisp_Object Vterminal_device; | |
| 47 Lisp_Object Vterminal_frame; | |
| 48 | |
| 49 Lisp_Object Vstdio_str; | |
| 50 | |
| 1204 | 51 static const struct memory_description stream_console_data_description_1 [] = { |
| 52 { XD_LISP_OBJECT, offsetof (struct stream_console, instream) }, | |
| 53 { XD_END } | |
| 54 }; | |
| 55 | |
| 3092 | 56 #ifdef NEW_GC |
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57 DEFINE_DUMPABLE_INTERNAL_LISP_OBJECT ("stream-console", stream_console, |
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58 0, stream_console_data_description_1, |
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59 Lisp_Stream_Console); |
| 3092 | 60 #else /* not NEW_GC */ |
| 1204 | 61 const struct sized_memory_description stream_console_data_description = { |
| 62 sizeof (struct stream_console), stream_console_data_description_1 | |
| 63 }; | |
| 3092 | 64 #endif /* not NEW_GC */ |
| 1204 | 65 |
| 428 | 66 static void |
| 2286 | 67 stream_init_console (struct console *con, Lisp_Object UNUSED (params)) |
| 428 | 68 { |
| 69 Lisp_Object tty = CONSOLE_CONNECTION (con); | |
| 70 struct stream_console *stream_con; | |
| 71 | |
| 3092 | 72 #ifdef NEW_GC |
| 73 if (CONSOLE_STREAM_DATA (con) == NULL) | |
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74 CONSOLE_STREAM_DATA (con) = |
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75 XSTREAM_CONSOLE (ALLOC_NORMAL_LISP_OBJECT (stream_console)); |
| 3092 | 76 #else /* not NEW_GC */ |
| 428 | 77 if (CONSOLE_STREAM_DATA (con) == NULL) |
| 1204 | 78 CONSOLE_STREAM_DATA (con) = xnew_and_zero (struct stream_console); |
| 3092 | 79 #endif /* not NEW_GC */ |
| 428 | 80 |
| 81 stream_con = CONSOLE_STREAM_DATA (con); | |
| 82 | |
| 1204 | 83 stream_con->instream = Qnil; |
| 428 | 84 |
| 85 /* Open the specified console */ | |
| 86 if (NILP (tty) || internal_equal (tty, Vstdio_str, 0)) | |
| 87 { | |
| 88 stream_con->in = stdin; | |
| 89 stream_con->out = stdout; | |
| 90 stream_con->err = stderr; | |
| 91 } | |
| 92 else | |
| 93 { | |
| 94 CHECK_STRING (tty); | |
| 95 stream_con->in = stream_con->out = stream_con->err = | |
| 442 | 96 /* #### We don't currently do coding-system translation on |
| 97 this descriptor. */ | |
| 771 | 98 qxe_fopen (XSTRING_DATA (tty), READ_PLUS_TEXT); |
| 428 | 99 if (!stream_con->in) |
| 563 | 100 signal_error (Qio_error, "Unable to open tty", tty); |
| 428 | 101 } |
| 102 } | |
| 103 | |
| 104 static void | |
| 2286 | 105 stream_init_device (struct device *d, Lisp_Object UNUSED (params)) |
| 428 | 106 { |
| 107 struct console *con = XCONSOLE (DEVICE_CONSOLE (d)); | |
| 108 | |
| 109 DEVICE_INFD (d) = fileno (CONSOLE_STREAM_DATA (con)->in); | |
| 110 DEVICE_OUTFD (d) = fileno (CONSOLE_STREAM_DATA (con)->out); | |
| 111 init_baud_rate (d); | |
| 112 init_one_device (d); | |
| 113 } | |
| 114 | |
| 115 static int | |
| 2286 | 116 stream_initially_selected_for_input (struct console *UNUSED (con)) |
| 428 | 117 { |
| 118 return noninteractive && initialized; | |
| 119 } | |
| 120 | |
| 121 extern int stdout_needs_newline; | |
| 122 | |
| 123 static void | |
| 124 stream_delete_console (struct console *con) | |
| 125 { | |
| 126 struct stream_console *stream_con = CONSOLE_STREAM_DATA (con); | |
| 127 if (stream_con) | |
| 128 { | |
| 129 if (/* stream_con->needs_newline */ | |
| 130 stdout_needs_newline) /* #### clean this up */ | |
| 131 { | |
| 132 fputc ('\n', stream_con->out); | |
| 133 fflush (stream_con->out); | |
| 134 } | |
| 135 if (stream_con->in != stdin) | |
| 771 | 136 retry_fclose (stream_con->in); |
| 428 | 137 |
| 3263 | 138 #ifndef NEW_GC |
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139 xfree (stream_con); |
| 3092 | 140 #endif /* not NEW_GC */ |
| 428 | 141 CONSOLE_STREAM_DATA (con) = NULL; |
| 142 } | |
| 143 } | |
| 144 | |
| 145 Lisp_Object | |
| 146 stream_semi_canonicalize_console_connection (Lisp_Object connection, | |
| 2286 | 147 Error_Behavior UNUSED (errb)) |
| 428 | 148 { |
| 149 return NILP (connection) ? Vstdio_str : connection; | |
| 150 } | |
| 151 | |
| 152 Lisp_Object | |
| 153 stream_canonicalize_console_connection (Lisp_Object connection, | |
| 578 | 154 Error_Behavior errb) |
| 428 | 155 { |
| 156 if (NILP (connection) || internal_equal (connection, Vstdio_str, 0)) | |
| 157 return Vstdio_str; | |
| 158 | |
| 159 if (!ERRB_EQ (errb, ERROR_ME)) | |
| 160 { | |
| 161 if (!STRINGP (connection)) | |
| 162 return Qunbound; | |
| 163 } | |
| 164 else | |
| 165 CHECK_STRING (connection); | |
| 166 | |
| 167 return Ffile_truename (connection, Qnil); | |
| 168 } | |
| 169 | |
| 170 Lisp_Object | |
| 171 stream_semi_canonicalize_device_connection (Lisp_Object connection, | |
| 578 | 172 Error_Behavior errb) |
| 428 | 173 { |
| 174 return stream_semi_canonicalize_console_connection (connection, errb); | |
| 175 } | |
| 176 | |
| 177 Lisp_Object | |
| 178 stream_canonicalize_device_connection (Lisp_Object connection, | |
| 578 | 179 Error_Behavior errb) |
| 428 | 180 { |
| 181 return stream_canonicalize_console_connection (connection, errb); | |
| 182 } | |
| 183 | |
| 184 | |
| 185 static void | |
| 2286 | 186 stream_init_frame_1 (struct frame *f, Lisp_Object UNUSED (props), |
| 771 | 187 int frame_name_is_defaulted) |
| 428 | 188 { |
| 189 #if 0 | |
| 190 struct device *d = XDEVICE (FRAME_DEVICE (f)); | |
| 191 if (!NILP (DEVICE_FRAME_LIST (d))) | |
| 563 | 192 invalid_operation ("Only one frame allowed on stream devices", Qunbound); |
| 428 | 193 #endif |
| 771 | 194 if (frame_name_is_defaulted) |
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195 f->name = build_ascstring ("stream"); |
| 428 | 196 f->height = 80; |
| 197 f->width = 24; | |
| 198 f->visible = 0; /* so redisplay doesn't try to do anything */ | |
| 199 } | |
| 200 | |
| 201 | |
| 202 static int | |
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203 stream_text_width (struct window *UNUSED (w), |
| 2286 | 204 struct face_cachel *UNUSED (cachel), |
| 205 const Ichar *UNUSED (str), Charcount len) | |
| 428 | 206 { |
| 207 return len; | |
| 208 } | |
| 209 | |
| 210 static int | |
| 2286 | 211 stream_left_margin_width (struct window *UNUSED (w)) |
| 428 | 212 { |
| 213 return 0; | |
| 214 } | |
| 215 | |
| 216 static int | |
| 2286 | 217 stream_right_margin_width (struct window *UNUSED (w)) |
| 428 | 218 { |
| 219 return 0; | |
| 220 } | |
| 221 | |
| 222 static int | |
| 223 stream_divider_height (void) | |
| 224 { | |
| 225 return 1; | |
| 226 } | |
| 227 | |
| 228 static int | |
| 229 stream_eol_cursor_width (void) | |
| 230 { | |
| 231 return 1; | |
| 232 } | |
| 233 | |
| 1279 | 234 /* We used to try and check for redisplaying on stream devices (e.g. in |
| 235 redisplay_device(), and beg out if so. However, we didn't always manage | |
| 236 completely. Now we do manage completely, and to verify this we abort if | |
| 237 we try to display a stream device. This might fix some crashes I've | |
| 238 been getting in pdump -- the only difference between crash and non-crash | |
| 239 is a few changes to the redisplay critical-section handling. */ | |
| 240 | |
| 241 static void | |
| 2286 | 242 stream_window_output_begin (struct window *UNUSED (w)) |
| 1279 | 243 { |
| 2500 | 244 ABORT (); |
| 1279 | 245 } |
| 246 | |
| 247 static void | |
| 2286 | 248 stream_window_output_end (struct window *UNUSED (w)) |
| 1279 | 249 { |
| 2500 | 250 ABORT (); |
| 1279 | 251 } |
| 252 | |
| 253 static void | |
| 2286 | 254 stream_frame_output_begin (struct frame *UNUSED (f)) |
| 1279 | 255 { |
| 2500 | 256 ABORT (); |
| 1279 | 257 } |
| 258 | |
| 259 static void | |
| 2286 | 260 stream_frame_output_end (struct frame *UNUSED (f)) |
| 1279 | 261 { |
| 2500 | 262 ABORT (); |
| 1279 | 263 } |
| 264 | |
| 428 | 265 static void |
| 2286 | 266 stream_output_display_block (struct window *UNUSED (w), |
| 267 struct display_line *UNUSED (dl), | |
| 268 int UNUSED (block), int UNUSED (start), | |
| 269 int UNUSED (end), int UNUSED (start_pixpos), | |
| 270 int UNUSED (cursor_start), | |
| 271 int UNUSED (cursor_width), | |
| 272 int UNUSED (cursor_height)) | |
| 428 | 273 { |
| 2500 | 274 ABORT (); |
| 428 | 275 } |
| 276 | |
| 277 static void | |
| 2286 | 278 stream_clear_region (Lisp_Object UNUSED (window), struct device* UNUSED (d), |
| 279 struct frame *UNUSED (f), face_index UNUSED (findex), | |
| 280 int UNUSED (x), int UNUSED (y), int UNUSED (width), | |
| 281 int UNUSED (height), Lisp_Object UNUSED (fcolor), | |
| 282 Lisp_Object UNUSED (bcolor), | |
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283 Lisp_Object UNUSED (background_pixmap), |
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284 Lisp_Object UNUSED (background_placement)) |
| 428 | 285 { |
| 2500 | 286 ABORT (); |
| 428 | 287 } |
| 288 | |
| 289 static int | |
| 2286 | 290 stream_flash (struct device *UNUSED (d)) |
| 428 | 291 { |
| 292 return 0; /* sorry can't do it */ | |
| 293 } | |
| 294 | |
| 295 static void | |
| 2286 | 296 stream_ring_bell (struct device *d, int UNUSED (volume), int UNUSED (pitch), |
| 297 int UNUSED (duration)) | |
| 428 | 298 { |
| 299 struct console *c = XCONSOLE (DEVICE_CONSOLE (d)); | |
| 826 | 300 /* Don't output ^G when not a TTY -- in particular, under MS Windows, ^G |
| 301 is interpreted as bell by the console, but not when running under | |
| 302 VC++. Probably this would be the same under Unix. */ | |
| 303 if (isatty (fileno (CONSOLE_STREAM_DATA (c)->out))) | |
| 304 { | |
| 305 fputc (07, CONSOLE_STREAM_DATA (c)->out); | |
| 306 fflush (CONSOLE_STREAM_DATA (c)->out); | |
| 307 } | |
| 428 | 308 } |
| 309 | |
| 310 | |
| 311 /************************************************************************/ | |
| 312 /* initialization */ | |
| 313 /************************************************************************/ | |
| 314 | |
| 315 void | |
| 316 console_type_create_stream (void) | |
| 317 { | |
| 318 INITIALIZE_CONSOLE_TYPE (stream, "stream", "console-stream-p"); | |
| 319 | |
| 320 /* console methods */ | |
| 321 CONSOLE_HAS_METHOD (stream, init_console); | |
| 322 CONSOLE_HAS_METHOD (stream, initially_selected_for_input); | |
| 323 CONSOLE_HAS_METHOD (stream, delete_console); | |
| 324 CONSOLE_HAS_METHOD (stream, canonicalize_console_connection); | |
| 325 CONSOLE_HAS_METHOD (stream, canonicalize_device_connection); | |
| 326 CONSOLE_HAS_METHOD (stream, semi_canonicalize_console_connection); | |
| 327 CONSOLE_HAS_METHOD (stream, semi_canonicalize_device_connection); | |
| 328 | |
| 329 /* device methods */ | |
| 330 CONSOLE_HAS_METHOD (stream, init_device); | |
| 331 | |
| 332 /* frame methods */ | |
| 333 CONSOLE_HAS_METHOD (stream, init_frame_1); | |
| 334 | |
| 335 /* redisplay methods */ | |
| 1279 | 336 CONSOLE_HAS_METHOD (stream, text_width); |
| 428 | 337 CONSOLE_HAS_METHOD (stream, left_margin_width); |
| 338 CONSOLE_HAS_METHOD (stream, right_margin_width); | |
| 339 CONSOLE_HAS_METHOD (stream, divider_height); | |
| 340 CONSOLE_HAS_METHOD (stream, eol_cursor_width); | |
| 1279 | 341 CONSOLE_HAS_METHOD (stream, window_output_begin); |
| 342 CONSOLE_HAS_METHOD (stream, window_output_end); | |
| 343 CONSOLE_HAS_METHOD (stream, frame_output_begin); | |
| 344 CONSOLE_HAS_METHOD (stream, frame_output_end); | |
| 345 CONSOLE_HAS_METHOD (stream, output_display_block); | |
| 428 | 346 CONSOLE_HAS_METHOD (stream, clear_region); |
| 347 CONSOLE_HAS_METHOD (stream, flash); | |
| 348 CONSOLE_HAS_METHOD (stream, ring_bell); | |
| 349 } | |
| 350 | |
| 351 void | |
| 352 reinit_console_type_create_stream (void) | |
| 353 { | |
| 354 REINITIALIZE_CONSOLE_TYPE (stream); | |
| 355 } | |
| 356 | |
| 357 void | |
| 358 vars_of_console_stream (void) | |
| 359 { | |
| 360 DEFVAR_LISP ("terminal-console", &Vterminal_console /* | |
| 444 | 361 The initial console object, which represents XEmacs' stdout. |
| 428 | 362 */ ); |
| 363 Vterminal_console = Qnil; | |
| 364 | |
| 365 DEFVAR_LISP ("terminal-device", &Vterminal_device /* | |
| 444 | 366 The initial device object, which represents XEmacs' stdout. |
| 428 | 367 */ ); |
| 368 Vterminal_device = Qnil; | |
| 369 | |
| 370 DEFVAR_LISP ("terminal-frame", &Vterminal_frame /* | |
| 444 | 371 The initial frame object, which represents XEmacs' stdout. |
| 428 | 372 */ ); |
| 373 Vterminal_frame = Qnil; | |
| 374 | |
| 375 /* Moved from console-tty.c */ | |
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376 Vstdio_str = build_ascstring ("stdio"); |
| 428 | 377 staticpro (&Vstdio_str); |
| 378 } | |
| 379 | |
| 380 #ifndef PDUMP | |
| 381 void | |
| 2342 | 382 init_console_stream (int UNUSED (reinit)) |
| 428 | 383 { |
| 384 /* This function can GC */ | |
| 385 if (!initialized) | |
| 386 { | |
| 387 Vterminal_device = Fmake_device (Qstream, Qnil, Qnil); | |
| 388 Vterminal_console = Fdevice_console (Vterminal_device); | |
| 389 Vterminal_frame = Fmake_frame (Qnil, Vterminal_device); | |
| 390 minibuf_window = XFRAME (Vterminal_frame)->minibuffer_window; | |
| 391 } | |
| 392 else | |
| 393 { | |
| 394 /* Re-initialize the FILE fields of the console. */ | |
| 395 stream_init_console (XCONSOLE (Vterminal_console), Qnil); | |
| 396 if (noninteractive) | |
| 397 event_stream_select_console (XCONSOLE (Vterminal_console)); | |
| 398 } | |
| 399 } | |
| 400 | |
| 401 #else | |
| 402 | |
| 403 void | |
| 442 | 404 init_console_stream (int reinit) |
| 428 | 405 { |
| 406 /* This function can GC */ | |
| 442 | 407 if (!reinit) |
| 408 { | |
| 409 Vterminal_device = Fmake_device (Qstream, Qnil, Qnil); | |
| 410 Vterminal_console = Fdevice_console (Vterminal_device); | |
| 411 Vterminal_frame = Fmake_frame (Qnil, Vterminal_device); | |
| 412 minibuf_window = XFRAME (Vterminal_frame)->minibuffer_window; | |
| 413 } | |
| 428 | 414 if (initialized) |
| 415 { | |
| 416 stream_init_console (XCONSOLE (Vterminal_console), Qnil); | |
| 417 if (noninteractive) | |
| 418 event_stream_select_console (XCONSOLE (Vterminal_console)); | |
| 419 } | |
| 420 } | |
| 421 #endif |