|
0
|
1 /* Lisp object printing and output streams.
|
|
|
2 Copyright (C) 1985, 1986, 1988, 1992-1995 Free Software Foundation, Inc.
|
|
404
|
3 Copyright (C) 1995, 1996, 2000 Ben Wing.
|
|
0
|
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 synched with FSF. */
|
|
|
23
|
|
|
24 /* This file has been Mule-ized. */
|
|
|
25
|
|
|
26 /* Seriously hacked on by Ben Wing for Mule. */
|
|
|
27
|
|
|
28 #include <config.h>
|
|
|
29 #include "lisp.h"
|
|
|
30
|
|
|
31 #include "backtrace.h"
|
|
|
32 #include "buffer.h"
|
|
|
33 #include "bytecode.h"
|
|
|
34 #include "console-tty.h"
|
|
|
35 #include "console-stream.h"
|
|
|
36 #include "extents.h"
|
|
|
37 #include "frame.h"
|
|
|
38 #include "insdel.h"
|
|
|
39 #include "lstream.h"
|
|
272
|
40 #include "sysfile.h"
|
|
410
|
41 #ifdef WIN32_NATIVE
|
|
404
|
42 #include "console-msw.h"
|
|
|
43 #endif
|
|
0
|
44
|
|
272
|
45 #include <float.h>
|
|
|
46 /* Define if not in float.h */
|
|
|
47 #ifndef DBL_DIG
|
|
|
48 #define DBL_DIG 16
|
|
|
49 #endif
|
|
|
50
|
|
0
|
51 Lisp_Object Vstandard_output, Qstandard_output;
|
|
|
52
|
|
|
53 /* The subroutine object for external-debugging-output is kept here
|
|
|
54 for the convenience of the debugger. */
|
|
|
55 Lisp_Object Qexternal_debugging_output;
|
|
173
|
56
|
|
0
|
57 /* Avoid actual stack overflow in print. */
|
|
|
58 static int print_depth;
|
|
|
59
|
|
177
|
60 /* Detect most circularities to print finite output. */
|
|
|
61 #define PRINT_CIRCLE 200
|
|
398
|
62 static Lisp_Object being_printed[PRINT_CIRCLE];
|
|
177
|
63
|
|
0
|
64 /* Maximum length of list or vector to print in full; noninteger means
|
|
|
65 effectively infinity */
|
|
|
66
|
|
|
67 Lisp_Object Vprint_length;
|
|
|
68 Lisp_Object Qprint_length;
|
|
|
69
|
|
|
70 /* Maximum length of string to print in full; noninteger means
|
|
|
71 effectively infinity */
|
|
|
72
|
|
|
73 Lisp_Object Vprint_string_length;
|
|
|
74 Lisp_Object Qprint_string_length;
|
|
|
75
|
|
|
76 /* Maximum depth of list to print in full; noninteger means
|
|
|
77 effectively infinity. */
|
|
|
78
|
|
|
79 Lisp_Object Vprint_level;
|
|
|
80
|
|
|
81 /* Label to use when making echo-area messages. */
|
|
|
82
|
|
|
83 Lisp_Object Vprint_message_label;
|
|
|
84
|
|
|
85 /* Nonzero means print newlines in strings as \n. */
|
|
|
86
|
|
|
87 int print_escape_newlines;
|
|
|
88 int print_readably;
|
|
245
|
89
|
|
|
90 /* Non-nil means print #: before uninterned symbols.
|
|
|
91 Neither t nor nil means so that and don't clear Vprint_gensym_alist
|
|
|
92 on entry to and exit from print functions. */
|
|
|
93 Lisp_Object Vprint_gensym;
|
|
|
94 Lisp_Object Vprint_gensym_alist;
|
|
0
|
95
|
|
171
|
96 Lisp_Object Qdisplay_error;
|
|
|
97 Lisp_Object Qprint_message_label;
|
|
|
98
|
|
0
|
99 /* Force immediate output of all printed data. Used for debugging. */
|
|
|
100 int print_unbuffered;
|
|
|
101
|
|
|
102 FILE *termscript; /* Stdio stream being used for copy of all output. */
|
|
|
103
|
|
|
104
|
|
|
105
|
|
|
106 int stdout_needs_newline;
|
|
|
107
|
|
410
|
108 #ifdef WIN32_NATIVE
|
|
408
|
109 static int no_useful_stderr;
|
|
|
110 #endif
|
|
|
111
|
|
404
|
112 static void
|
|
|
113 std_handle_out_external (FILE *stream, Lisp_Object lstream,
|
|
|
114 const Extbyte *extptr, Extcount extlen,
|
|
|
115 /* is this really stdout/stderr?
|
|
|
116 (controls termscript writing) */
|
|
|
117 int output_is_std_handle,
|
|
|
118 int must_flush)
|
|
0
|
119 {
|
|
|
120 if (stream)
|
|
282
|
121 {
|
|
410
|
122 #ifdef WIN32_NATIVE
|
|
408
|
123 if (!no_useful_stderr)
|
|
|
124 no_useful_stderr = GetStdHandle (STD_ERROR_HANDLE) == 0 ? 1 : -1;
|
|
|
125
|
|
404
|
126 /* we typically have no useful stdout/stderr under windows if we're
|
|
|
127 being invoked graphically. */
|
|
408
|
128 if (!noninteractive || no_useful_stderr > 0)
|
|
410
|
129 mswindows_output_console_string (extptr, extlen);
|
|
404
|
130 else
|
|
|
131 #endif
|
|
|
132 {
|
|
|
133 fwrite (extptr, 1, extlen, stream);
|
|
410
|
134 #ifdef WIN32_NATIVE
|
|
404
|
135 /* Q122442 says that pipes are "treated as files, not as
|
|
|
136 devices", and that this is a feature. Before I found that
|
|
|
137 article, I thought it was a bug. Thanks MS, I feel much
|
|
|
138 better now. - kkm */
|
|
|
139 must_flush = 1;
|
|
282
|
140 #endif
|
|
404
|
141 if (must_flush)
|
|
|
142 fflush (stream);
|
|
|
143 }
|
|
282
|
144 }
|
|
0
|
145 else
|
|
404
|
146 Lstream_write (XLSTREAM (lstream), extptr, extlen);
|
|
|
147
|
|
|
148 if (output_is_std_handle)
|
|
0
|
149 {
|
|
|
150 if (termscript)
|
|
|
151 {
|
|
|
152 fwrite (extptr, 1, extlen, termscript);
|
|
|
153 fflush (termscript);
|
|
|
154 }
|
|
|
155 stdout_needs_newline = (extptr[extlen - 1] != '\n');
|
|
|
156 }
|
|
|
157 }
|
|
|
158
|
|
404
|
159 /* #### The following function should be replaced a call to the
|
|
|
160 emacs_doprnt_*() functions. This is the only way to ensure that
|
|
|
161 I18N3 works properly (many implementations of the *printf()
|
|
|
162 functions, including the ones included in glibc, do not implement
|
|
|
163 the %###$ argument-positioning syntax).
|
|
|
164
|
|
|
165 Note, however, that to do this, we'd have to
|
|
|
166
|
|
|
167 1) pre-allocate all the lstreams and do whatever else was necessary
|
|
|
168 to make sure that no allocation occurs, since these functions may be
|
|
|
169 called from fatal_error_signal().
|
|
|
170
|
|
|
171 2) (to be really correct) make a new lstream that outputs using
|
|
410
|
172 mswindows_output_console_string(). */
|
|
404
|
173
|
|
|
174 static int
|
|
|
175 std_handle_out_va (FILE *stream, const char *fmt, va_list args)
|
|
|
176 {
|
|
|
177 Bufbyte kludge[8192];
|
|
|
178 Extbyte *extptr;
|
|
|
179 Extcount extlen;
|
|
|
180 int retval;
|
|
|
181
|
|
|
182 retval = vsprintf ((char *) kludge, fmt, args);
|
|
408
|
183 if (initialized && !fatal_error_in_progress)
|
|
|
184 TO_EXTERNAL_FORMAT (DATA, (kludge, strlen ((char *) kludge)),
|
|
|
185 ALLOCA, (extptr, extlen),
|
|
|
186 Qnative);
|
|
|
187 else
|
|
|
188 {
|
|
|
189 extptr = (Extbyte *) kludge;
|
|
|
190 extlen = (Extcount) strlen ((char *) kludge);
|
|
|
191 }
|
|
|
192
|
|
404
|
193 std_handle_out_external (stream, Qnil, extptr, extlen, 1, 1);
|
|
|
194 return retval;
|
|
|
195 }
|
|
|
196
|
|
|
197 /* Output portably to stderr or its equivalent; call GETTEXT on the
|
|
|
198 format string. Automatically flush when done. */
|
|
|
199
|
|
|
200 int
|
|
|
201 stderr_out (const char *fmt, ...)
|
|
|
202 {
|
|
|
203 int retval;
|
|
|
204 va_list args;
|
|
|
205 va_start (args, fmt);
|
|
408
|
206 retval =
|
|
|
207 std_handle_out_va
|
|
|
208 (stderr, initialized && !fatal_error_in_progress ? GETTEXT (fmt) : fmt,
|
|
|
209 args);
|
|
404
|
210 va_end (args);
|
|
|
211 return retval;
|
|
|
212 }
|
|
|
213
|
|
|
214 /* Output portably to stdout or its equivalent; call GETTEXT on the
|
|
|
215 format string. Automatically flush when done. */
|
|
|
216
|
|
|
217 int
|
|
|
218 stdout_out (const char *fmt, ...)
|
|
|
219 {
|
|
|
220 int retval;
|
|
|
221 va_list args;
|
|
|
222 va_start (args, fmt);
|
|
408
|
223 retval =
|
|
|
224 std_handle_out_va
|
|
|
225 (stdout, initialized && !fatal_error_in_progress ? GETTEXT (fmt) : fmt,
|
|
|
226 args);
|
|
404
|
227 va_end (args);
|
|
|
228 return retval;
|
|
|
229 }
|
|
|
230
|
|
|
231 DOESNT_RETURN
|
|
|
232 fatal (const char *fmt, ...)
|
|
|
233 {
|
|
|
234 va_list args;
|
|
|
235 va_start (args, fmt);
|
|
|
236
|
|
|
237 stderr_out ("\nXEmacs: ");
|
|
|
238 std_handle_out_va (stderr, GETTEXT (fmt), args);
|
|
|
239 stderr_out ("\n");
|
|
|
240
|
|
|
241 va_end (args);
|
|
|
242 exit (1);
|
|
|
243 }
|
|
|
244
|
|
|
245 /* Write a string (in internal format) to stdio stream STREAM. */
|
|
|
246
|
|
|
247 void
|
|
|
248 write_string_to_stdio_stream (FILE *stream, struct console *con,
|
|
|
249 const Bufbyte *str,
|
|
|
250 Bytecount offset, Bytecount len,
|
|
|
251 Lisp_Object coding_system,
|
|
|
252 int must_flush)
|
|
|
253 {
|
|
|
254 Extcount extlen;
|
|
|
255 const Extbyte *extptr;
|
|
|
256
|
|
|
257 /* #### yuck! sometimes this function is called with string data,
|
|
|
258 and the following call may gc. */
|
|
|
259 {
|
|
|
260 Bufbyte *puta = (Bufbyte *) alloca (len);
|
|
|
261 memcpy (puta, str + offset, len);
|
|
|
262 TO_EXTERNAL_FORMAT (DATA, (puta, len),
|
|
|
263 ALLOCA, (extptr, extlen),
|
|
|
264 coding_system);
|
|
|
265 }
|
|
|
266
|
|
|
267 if (stream)
|
|
|
268 std_handle_out_external (stream, Qnil, extptr, extlen,
|
|
|
269 stream == stdout || stream == stderr, must_flush);
|
|
|
270 else
|
|
|
271 {
|
|
|
272 assert (CONSOLE_TTY_P (con));
|
|
|
273 std_handle_out_external (0, CONSOLE_TTY_DATA (con)->outstream,
|
|
|
274 extptr, extlen,
|
|
|
275 CONSOLE_TTY_DATA (con)->is_stdio, must_flush);
|
|
|
276 }
|
|
|
277 }
|
|
|
278
|
|
0
|
279 /* Write a string to the output location specified in FUNCTION.
|
|
|
280 Arguments NONRELOC, RELOC, OFFSET, and LEN are as in
|
|
|
281 buffer_insert_string_1() in insdel.c. */
|
|
|
282
|
|
|
283 static void
|
|
398
|
284 output_string (Lisp_Object function, const Bufbyte *nonreloc,
|
|
0
|
285 Lisp_Object reloc, Bytecount offset, Bytecount len)
|
|
|
286 {
|
|
|
287 /* This function can GC */
|
|
278
|
288 Charcount cclen;
|
|
0
|
289 /* We change the value of nonreloc (fetching it from reloc as
|
|
|
290 necessary), but we don't want to pass this changed value on to
|
|
|
291 other functions that take both a nonreloc and a reloc, or things
|
|
|
292 may get confused and an assertion failure in
|
|
|
293 fixup_internal_substring() may get triggered. */
|
|
398
|
294 const Bufbyte *newnonreloc = nonreloc;
|
|
0
|
295 struct gcpro gcpro1, gcpro2;
|
|
|
296
|
|
380
|
297 /* Emacs won't print while GCing, but an external debugger might */
|
|
0
|
298 if (gc_in_progress) return;
|
|
|
299
|
|
|
300 /* Perhaps not necessary but probably safer. */
|
|
|
301 GCPRO2 (function, reloc);
|
|
|
302
|
|
|
303 fixup_internal_substring (newnonreloc, reloc, offset, &len);
|
|
|
304
|
|
|
305 if (STRINGP (reloc))
|
|
16
|
306 newnonreloc = XSTRING_DATA (reloc);
|
|
0
|
307
|
|
|
308 cclen = bytecount_to_charcount (newnonreloc + offset, len);
|
|
|
309
|
|
|
310 if (LSTREAMP (function))
|
|
|
311 {
|
|
|
312 if (STRINGP (reloc))
|
|
|
313 {
|
|
276
|
314 /* Protect against Lstream_write() causing a GC and
|
|
|
315 relocating the string. For small strings, we do it by
|
|
|
316 alloc'ing the string and using a copy; for large strings,
|
|
278
|
317 we inhibit GC. */
|
|
276
|
318 if (len < 65536)
|
|
|
319 {
|
|
|
320 Bufbyte *copied = alloca_array (Bufbyte, len);
|
|
|
321 memcpy (copied, newnonreloc + offset, len);
|
|
|
322 Lstream_write (XLSTREAM (function), copied, len);
|
|
|
323 }
|
|
|
324 else
|
|
|
325 {
|
|
|
326 int speccount = specpdl_depth ();
|
|
|
327 record_unwind_protect (restore_gc_inhibit,
|
|
|
328 make_int (gc_currently_forbidden));
|
|
|
329 gc_currently_forbidden = 1;
|
|
|
330 Lstream_write (XLSTREAM (function), newnonreloc + offset, len);
|
|
|
331 unbind_to (speccount, Qnil);
|
|
|
332 }
|
|
0
|
333 }
|
|
|
334 else
|
|
|
335 Lstream_write (XLSTREAM (function), newnonreloc + offset, len);
|
|
|
336
|
|
|
337 if (print_unbuffered)
|
|
|
338 Lstream_flush (XLSTREAM (function));
|
|
|
339 }
|
|
|
340 else if (BUFFERP (function))
|
|
|
341 {
|
|
|
342 CHECK_LIVE_BUFFER (function);
|
|
|
343 buffer_insert_string (XBUFFER (function), nonreloc, reloc, offset, len);
|
|
|
344 }
|
|
|
345 else if (MARKERP (function))
|
|
|
346 {
|
|
278
|
347 /* marker_position() will err if marker doesn't point anywhere. */
|
|
0
|
348 Bufpos spoint = marker_position (function);
|
|
|
349
|
|
278
|
350 buffer_insert_string_1 (XMARKER (function)->buffer,
|
|
0
|
351 spoint, nonreloc, reloc, offset, len,
|
|
|
352 0);
|
|
|
353 Fset_marker (function, make_int (spoint + cclen),
|
|
|
354 Fmarker_buffer (function));
|
|
|
355 }
|
|
|
356 else if (FRAMEP (function))
|
|
|
357 {
|
|
278
|
358 /* This gets used by functions not invoking print_prepare(),
|
|
280
|
359 such as Fwrite_char, Fterpri, etc.. */
|
|
0
|
360 struct frame *f = XFRAME (function);
|
|
278
|
361 CHECK_LIVE_FRAME (function);
|
|
|
362
|
|
0
|
363 if (!EQ (Vprint_message_label, echo_area_status (f)))
|
|
|
364 clear_echo_area_from_print (f, Qnil, 1);
|
|
|
365 echo_area_append (f, nonreloc, reloc, offset, len, Vprint_message_label);
|
|
|
366 }
|
|
|
367 else if (EQ (function, Qt) || EQ (function, Qnil))
|
|
|
368 {
|
|
|
369 write_string_to_stdio_stream (stdout, 0, newnonreloc, offset, len,
|
|
404
|
370 Qterminal, print_unbuffered);
|
|
0
|
371 }
|
|
|
372 else
|
|
|
373 {
|
|
278
|
374 Charcount ccoff = bytecount_to_charcount (newnonreloc, offset);
|
|
0
|
375 Charcount iii;
|
|
|
376
|
|
|
377 for (iii = ccoff; iii < cclen + ccoff; iii++)
|
|
|
378 {
|
|
|
379 call1 (function,
|
|
|
380 make_char (charptr_emchar_n (newnonreloc, iii)));
|
|
|
381 if (STRINGP (reloc))
|
|
16
|
382 newnonreloc = XSTRING_DATA (reloc);
|
|
0
|
383 }
|
|
|
384 }
|
|
|
385
|
|
|
386 UNGCPRO;
|
|
|
387 }
|
|
278
|
388
|
|
|
389 #define RESET_PRINT_GENSYM do { \
|
|
|
390 if (!CONSP (Vprint_gensym)) \
|
|
|
391 Vprint_gensym_alist = Qnil; \
|
|
|
392 } while (0)
|
|
0
|
393
|
|
|
394 static Lisp_Object
|
|
|
395 canonicalize_printcharfun (Lisp_Object printcharfun)
|
|
|
396 {
|
|
|
397 if (NILP (printcharfun))
|
|
|
398 printcharfun = Vstandard_output;
|
|
|
399
|
|
|
400 if (EQ (printcharfun, Qt) || NILP (printcharfun))
|
|
278
|
401 printcharfun = Fselected_frame (Qnil); /* print to minibuffer */
|
|
|
402
|
|
173
|
403 return printcharfun;
|
|
0
|
404 }
|
|
|
405
|
|
|
406 static Lisp_Object
|
|
278
|
407 print_prepare (Lisp_Object printcharfun, Lisp_Object *frame_kludge)
|
|
0
|
408 {
|
|
380
|
409 /* Emacs won't print while GCing, but an external debugger might */
|
|
0
|
410 if (gc_in_progress)
|
|
173
|
411 return Qnil;
|
|
0
|
412
|
|
278
|
413 RESET_PRINT_GENSYM;
|
|
|
414
|
|
0
|
415 printcharfun = canonicalize_printcharfun (printcharfun);
|
|
278
|
416
|
|
|
417 /* Here we could safely return the canonicalized PRINTCHARFUN.
|
|
|
418 However, if PRINTCHARFUN is a frame, printing of complex
|
|
|
419 structures becomes very expensive, because `append-message'
|
|
|
420 (called by echo_area_append) gets called as many times as
|
|
|
421 output_string() is called (and that's a *lot*). append-message
|
|
|
422 tries to keep top of the message-stack in sync with the contents
|
|
|
423 of " *Echo Area" buffer, consing a new string for each component
|
|
|
424 of the printed structure. For instance, if you print (a a),
|
|
|
425 append-message will cons up the following strings:
|
|
|
426
|
|
|
427 "("
|
|
|
428 "(a"
|
|
|
429 "(a "
|
|
|
430 "(a a"
|
|
|
431 "(a a)"
|
|
|
432
|
|
|
433 and will use only the last one. With larger objects, this turns
|
|
|
434 into an O(n^2) consing frenzy that locks up XEmacs in incessant
|
|
|
435 garbage collection.
|
|
|
436
|
|
|
437 We prevent this by creating a resizing_buffer stream and letting
|
|
|
438 the printer write into it. print_finish() will notice this
|
|
|
439 stream, and invoke echo_area_append() with the stream's buffer,
|
|
|
440 only once. */
|
|
|
441 if (FRAMEP (printcharfun))
|
|
|
442 {
|
|
|
443 CHECK_LIVE_FRAME (printcharfun);
|
|
|
444 *frame_kludge = printcharfun;
|
|
|
445 printcharfun = make_resizing_buffer_output_stream ();
|
|
|
446 }
|
|
173
|
447
|
|
276
|
448 return printcharfun;
|
|
0
|
449 }
|
|
|
450
|
|
|
451 static void
|
|
278
|
452 print_finish (Lisp_Object stream, Lisp_Object frame_kludge)
|
|
0
|
453 {
|
|
380
|
454 /* Emacs won't print while GCing, but an external debugger might */
|
|
0
|
455 if (gc_in_progress)
|
|
|
456 return;
|
|
|
457
|
|
278
|
458 RESET_PRINT_GENSYM;
|
|
|
459
|
|
|
460 /* See the comment in print_prepare(). */
|
|
|
461 if (FRAMEP (frame_kludge))
|
|
|
462 {
|
|
|
463 struct frame *f = XFRAME (frame_kludge);
|
|
|
464 Lstream *str = XLSTREAM (stream);
|
|
|
465 CHECK_LIVE_FRAME (frame_kludge);
|
|
|
466
|
|
|
467 Lstream_flush (str);
|
|
|
468 if (!EQ (Vprint_message_label, echo_area_status (f)))
|
|
|
469 clear_echo_area_from_print (f, Qnil, 1);
|
|
|
470 echo_area_append (f, resizing_buffer_stream_ptr (str),
|
|
|
471 Qnil, 0, Lstream_byte_count (str),
|
|
380
|
472 Vprint_message_label);
|
|
278
|
473 Lstream_delete (str);
|
|
|
474 }
|
|
0
|
475 }
|
|
280
|
476
|
|
|
477 /* Used for printing a single-byte character (*not* any Emchar). */
|
|
278
|
478 #define write_char_internal(string_of_length_1, stream) \
|
|
398
|
479 output_string (stream, (const Bufbyte *) (string_of_length_1), \
|
|
278
|
480 Qnil, 0, 1)
|
|
0
|
481
|
|
280
|
482 /* NOTE: Do not call this with the data of a Lisp_String, as
|
|
|
483 printcharfun might cause a GC, which might cause the string's data
|
|
|
484 to be relocated. To princ a Lisp string, use:
|
|
|
485
|
|
|
486 print_internal (string, printcharfun, 0);
|
|
|
487
|
|
|
488 Also note that STREAM should be the result of
|
|
|
489 canonicalize_printcharfun() (i.e. Qnil means stdout, not
|
|
|
490 Vstandard_output, etc.) */
|
|
0
|
491 void
|
|
398
|
492 write_string_1 (const Bufbyte *str, Bytecount size, Lisp_Object stream)
|
|
0
|
493 {
|
|
|
494 /* This function can GC */
|
|
278
|
495 #ifdef ERROR_CHECK_BUFPOS
|
|
0
|
496 assert (size >= 0);
|
|
278
|
497 #endif
|
|
0
|
498 output_string (stream, str, Qnil, 0, size);
|
|
|
499 }
|
|
|
500
|
|
|
501 void
|
|
398
|
502 write_c_string (const char *str, Lisp_Object stream)
|
|
0
|
503 {
|
|
|
504 /* This function can GC */
|
|
398
|
505 write_string_1 ((const Bufbyte *) str, strlen (str), stream);
|
|
0
|
506 }
|
|
|
507
|
|
|
508
|
|
20
|
509 DEFUN ("write-char", Fwrite_char, 1, 2, 0, /*
|
|
0
|
510 Output character CH to stream STREAM.
|
|
|
511 STREAM defaults to the value of `standard-output' (which see).
|
|
20
|
512 */
|
|
|
513 (ch, stream))
|
|
0
|
514 {
|
|
|
515 /* This function can GC */
|
|
|
516 Bufbyte str[MAX_EMCHAR_LEN];
|
|
|
517 Bytecount len;
|
|
|
518
|
|
|
519 CHECK_CHAR_COERCE_INT (ch);
|
|
|
520 len = set_charptr_emchar (str, XCHAR (ch));
|
|
|
521 output_string (canonicalize_printcharfun (stream), str, Qnil, 0, len);
|
|
|
522 return ch;
|
|
|
523 }
|
|
|
524
|
|
|
525 void
|
|
380
|
526 temp_output_buffer_setup (Lisp_Object bufname)
|
|
0
|
527 {
|
|
|
528 /* This function can GC */
|
|
|
529 struct buffer *old = current_buffer;
|
|
|
530 Lisp_Object buf;
|
|
|
531
|
|
|
532 #ifdef I18N3
|
|
|
533 /* #### This function should accept a Lisp_Object instead of a char *,
|
|
|
534 so that proper translation on the buffer name can occur. */
|
|
|
535 #endif
|
|
|
536
|
|
380
|
537 Fset_buffer (Fget_buffer_create (bufname));
|
|
0
|
538
|
|
|
539 current_buffer->read_only = Qnil;
|
|
223
|
540 Ferase_buffer (Qnil);
|
|
0
|
541
|
|
|
542 XSETBUFFER (buf, current_buffer);
|
|
|
543 specbind (Qstandard_output, buf);
|
|
|
544
|
|
|
545 set_buffer_internal (old);
|
|
|
546 }
|
|
|
547
|
|
|
548 Lisp_Object
|
|
380
|
549 internal_with_output_to_temp_buffer (Lisp_Object bufname,
|
|
0
|
550 Lisp_Object (*function) (Lisp_Object arg),
|
|
173
|
551 Lisp_Object arg,
|
|
0
|
552 Lisp_Object same_frame)
|
|
|
553 {
|
|
|
554 int speccount = specpdl_depth ();
|
|
|
555 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
|
556 Lisp_Object buf = Qnil;
|
|
|
557
|
|
|
558 GCPRO3 (buf, arg, same_frame);
|
|
|
559
|
|
380
|
560 temp_output_buffer_setup (bufname);
|
|
0
|
561 buf = Vstandard_output;
|
|
|
562
|
|
|
563 arg = (*function) (arg);
|
|
|
564
|
|
|
565 temp_output_buffer_show (buf, same_frame);
|
|
|
566 UNGCPRO;
|
|
|
567
|
|
|
568 return unbind_to (speccount, arg);
|
|
|
569 }
|
|
|
570
|
|
20
|
571 DEFUN ("with-output-to-temp-buffer", Fwith_output_to_temp_buffer, 1, UNEVALLED, 0, /*
|
|
0
|
572 Bind `standard-output' to buffer BUFNAME, eval BODY, then show that buffer.
|
|
|
573 The buffer is cleared out initially, and marked as unmodified when done.
|
|
|
574 All output done by BODY is inserted in that buffer by default.
|
|
|
575 The buffer is displayed in another window, but not selected.
|
|
|
576 The value of the last form in BODY is returned.
|
|
|
577 If BODY does not finish normally, the buffer BUFNAME is not displayed.
|
|
|
578
|
|
|
579 If variable `temp-buffer-show-function' is non-nil, call it at the end
|
|
|
580 to get the buffer displayed. It gets one argument, the buffer to display.
|
|
20
|
581 */
|
|
|
582 (args))
|
|
0
|
583 {
|
|
|
584 /* This function can GC */
|
|
380
|
585 Lisp_Object name = Qnil;
|
|
0
|
586 int speccount = specpdl_depth ();
|
|
380
|
587 struct gcpro gcpro1, gcpro2;
|
|
|
588 Lisp_Object val = Qnil;
|
|
0
|
589
|
|
|
590 #ifdef I18N3
|
|
|
591 /* #### should set the buffer to be translating. See print_internal(). */
|
|
|
592 #endif
|
|
|
593
|
|
380
|
594 GCPRO2 (name, val);
|
|
272
|
595 name = Feval (XCAR (args));
|
|
0
|
596
|
|
|
597 CHECK_STRING (name);
|
|
380
|
598
|
|
|
599 temp_output_buffer_setup (name);
|
|
|
600 UNGCPRO;
|
|
0
|
601
|
|
272
|
602 val = Fprogn (XCDR (args));
|
|
0
|
603
|
|
272
|
604 temp_output_buffer_show (Vstandard_output, Qnil);
|
|
0
|
605
|
|
|
606 return unbind_to (speccount, val);
|
|
|
607 }
|
|
|
608
|
|
20
|
609 DEFUN ("terpri", Fterpri, 0, 1, 0, /*
|
|
0
|
610 Output a newline to STREAM.
|
|
|
611 If STREAM is omitted or nil, the value of `standard-output' is used.
|
|
20
|
612 */
|
|
|
613 (stream))
|
|
0
|
614 {
|
|
|
615 /* This function can GC */
|
|
280
|
616 write_char_internal ("\n", canonicalize_printcharfun (stream));
|
|
0
|
617 return Qt;
|
|
|
618 }
|
|
|
619
|
|
20
|
620 DEFUN ("prin1", Fprin1, 1, 2, 0, /*
|
|
0
|
621 Output the printed representation of OBJECT, any Lisp object.
|
|
|
622 Quoting characters are printed when needed to make output that `read'
|
|
|
623 can handle, whenever this is possible.
|
|
|
624 Output stream is STREAM, or value of `standard-output' (which see).
|
|
20
|
625 */
|
|
|
626 (object, stream))
|
|
0
|
627 {
|
|
|
628 /* This function can GC */
|
|
280
|
629 Lisp_Object frame = Qnil;
|
|
|
630 struct gcpro gcpro1, gcpro2;
|
|
|
631 GCPRO2 (object, stream);
|
|
0
|
632
|
|
|
633 print_depth = 0;
|
|
280
|
634 stream = print_prepare (stream, &frame);
|
|
|
635 print_internal (object, stream, 1);
|
|
|
636 print_finish (stream, frame);
|
|
|
637
|
|
0
|
638 UNGCPRO;
|
|
|
639 return object;
|
|
|
640 }
|
|
|
641
|
|
20
|
642 DEFUN ("prin1-to-string", Fprin1_to_string, 1, 2, 0, /*
|
|
0
|
643 Return a string containing the printed representation of OBJECT,
|
|
|
644 any Lisp object. Quoting characters are used when needed to make output
|
|
|
645 that `read' can handle, whenever this is possible, unless the optional
|
|
|
646 second argument NOESCAPE is non-nil.
|
|
20
|
647 */
|
|
|
648 (object, noescape))
|
|
0
|
649 {
|
|
|
650 /* This function can GC */
|
|
280
|
651 Lisp_Object result = Qnil;
|
|
|
652 Lisp_Object stream = make_resizing_buffer_output_stream ();
|
|
|
653 Lstream *str = XLSTREAM (stream);
|
|
|
654 /* gcpro OBJECT in case a caller forgot to do so */
|
|
|
655 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
|
656 GCPRO3 (object, stream, result);
|
|
219
|
657
|
|
0
|
658 print_depth = 0;
|
|
278
|
659 RESET_PRINT_GENSYM;
|
|
|
660 print_internal (object, stream, NILP (noescape));
|
|
|
661 RESET_PRINT_GENSYM;
|
|
|
662 Lstream_flush (str);
|
|
0
|
663 UNGCPRO;
|
|
280
|
664 result = make_string (resizing_buffer_stream_ptr (str),
|
|
|
665 Lstream_byte_count (str));
|
|
|
666 Lstream_delete (str);
|
|
|
667 return result;
|
|
0
|
668 }
|
|
|
669
|
|
20
|
670 DEFUN ("princ", Fprinc, 1, 2, 0, /*
|
|
0
|
671 Output the printed representation of OBJECT, any Lisp object.
|
|
|
672 No quoting characters are used; no delimiters are printed around
|
|
|
673 the contents of strings.
|
|
|
674 Output stream is STREAM, or value of standard-output (which see).
|
|
20
|
675 */
|
|
280
|
676 (object, stream))
|
|
0
|
677 {
|
|
|
678 /* This function can GC */
|
|
280
|
679 Lisp_Object frame = Qnil;
|
|
|
680 struct gcpro gcpro1, gcpro2;
|
|
0
|
681
|
|
280
|
682 GCPRO2 (object, stream);
|
|
|
683 stream = print_prepare (stream, &frame);
|
|
0
|
684 print_depth = 0;
|
|
280
|
685 print_internal (object, stream, 0);
|
|
|
686 print_finish (stream, frame);
|
|
0
|
687 UNGCPRO;
|
|
280
|
688 return object;
|
|
0
|
689 }
|
|
|
690
|
|
20
|
691 DEFUN ("print", Fprint, 1, 2, 0, /*
|
|
0
|
692 Output the printed representation of OBJECT, with newlines around it.
|
|
|
693 Quoting characters are printed when needed to make output that `read'
|
|
|
694 can handle, whenever this is possible.
|
|
|
695 Output stream is STREAM, or value of `standard-output' (which see).
|
|
20
|
696 */
|
|
280
|
697 (object, stream))
|
|
0
|
698 {
|
|
|
699 /* This function can GC */
|
|
280
|
700 Lisp_Object frame = Qnil;
|
|
|
701 struct gcpro gcpro1, gcpro2;
|
|
0
|
702
|
|
280
|
703 GCPRO2 (object, stream);
|
|
|
704 stream = print_prepare (stream, &frame);
|
|
0
|
705 print_depth = 0;
|
|
280
|
706 write_char_internal ("\n", stream);
|
|
|
707 print_internal (object, stream, 1);
|
|
|
708 write_char_internal ("\n", stream);
|
|
|
709 print_finish (stream, frame);
|
|
0
|
710 UNGCPRO;
|
|
280
|
711 return object;
|
|
0
|
712 }
|
|
|
713
|
|
280
|
714 /* Print an error message for the error DATA to STREAM. This is a
|
|
|
715 complete implementation of `display-error', which used to be in
|
|
|
716 Lisp (see prim/cmdloop.el). It was ported to C so it can be used
|
|
|
717 efficiently by Ferror_message_string. Fdisplay_error and
|
|
|
718 Ferror_message_string are trivial wrappers around this function.
|
|
219
|
719
|
|
280
|
720 STREAM should be the result of canonicalize_printcharfun(). */
|
|
171
|
721 static void
|
|
|
722 print_error_message (Lisp_Object error_object, Lisp_Object stream)
|
|
100
|
723 {
|
|
171
|
724 /* This function can GC */
|
|
280
|
725 Lisp_Object type = Fcar_safe (error_object);
|
|
171
|
726 Lisp_Object method = Qnil;
|
|
280
|
727 Lisp_Object tail;
|
|
171
|
728
|
|
280
|
729 /* No need to GCPRO anything under the assumption that ERROR_OBJECT
|
|
|
730 is GCPRO'd. */
|
|
171
|
731
|
|
|
732 if (! (CONSP (error_object) && SYMBOLP (type)
|
|
|
733 && CONSP (Fget (type, Qerror_conditions, Qnil))))
|
|
|
734 goto error_throw;
|
|
100
|
735
|
|
171
|
736 tail = XCDR (error_object);
|
|
|
737 while (!NILP (tail))
|
|
|
738 {
|
|
|
739 if (CONSP (tail))
|
|
|
740 tail = XCDR (tail);
|
|
|
741 else
|
|
|
742 goto error_throw;
|
|
|
743 }
|
|
|
744 tail = Fget (type, Qerror_conditions, Qnil);
|
|
|
745 while (!NILP (tail))
|
|
100
|
746 {
|
|
171
|
747 if (!(CONSP (tail) && SYMBOLP (XCAR (tail))))
|
|
|
748 goto error_throw;
|
|
|
749 else if (!NILP (Fget (XCAR (tail), Qdisplay_error, Qnil)))
|
|
|
750 {
|
|
|
751 method = Fget (XCAR (tail), Qdisplay_error, Qnil);
|
|
|
752 goto error_throw;
|
|
|
753 }
|
|
|
754 else
|
|
|
755 tail = XCDR (tail);
|
|
|
756 }
|
|
|
757 /* Default method */
|
|
|
758 {
|
|
|
759 int first = 1;
|
|
|
760 int speccount = specpdl_depth ();
|
|
398
|
761 Lisp_Object frame = Qnil;
|
|
|
762 struct gcpro gcpro1;
|
|
|
763 GCPRO1 (stream);
|
|
171
|
764
|
|
|
765 specbind (Qprint_message_label, Qerror);
|
|
398
|
766 stream = print_prepare (stream, &frame);
|
|
|
767
|
|
171
|
768 tail = Fcdr (error_object);
|
|
|
769 if (EQ (type, Qerror))
|
|
|
770 {
|
|
280
|
771 print_internal (Fcar (tail), stream, 0);
|
|
171
|
772 tail = Fcdr (tail);
|
|
|
773 }
|
|
|
774 else
|
|
|
775 {
|
|
|
776 Lisp_Object errmsg = Fget (type, Qerror_message, Qnil);
|
|
|
777 if (NILP (errmsg))
|
|
280
|
778 print_internal (type, stream, 0);
|
|
171
|
779 else
|
|
280
|
780 print_internal (LISP_GETTEXT (errmsg), stream, 0);
|
|
171
|
781 }
|
|
|
782 while (!NILP (tail))
|
|
|
783 {
|
|
280
|
784 write_c_string (first ? ": " : ", ", stream);
|
|
|
785 print_internal (Fcar (tail), stream, 1);
|
|
171
|
786 tail = Fcdr (tail);
|
|
|
787 first = 0;
|
|
|
788 }
|
|
398
|
789 print_finish (stream, frame);
|
|
|
790 UNGCPRO;
|
|
171
|
791 unbind_to (speccount, Qnil);
|
|
|
792 return;
|
|
280
|
793 /* not reached */
|
|
171
|
794 }
|
|
|
795
|
|
|
796 error_throw:
|
|
|
797 if (NILP (method))
|
|
|
798 {
|
|
280
|
799 write_c_string (GETTEXT ("Peculiar error "), stream);
|
|
|
800 print_internal (error_object, stream, 1);
|
|
171
|
801 return;
|
|
100
|
802 }
|
|
|
803 else
|
|
|
804 {
|
|
171
|
805 call2 (method, error_object, stream);
|
|
100
|
806 }
|
|
171
|
807 }
|
|
100
|
808
|
|
280
|
809 DEFUN ("error-message-string", Ferror_message_string, 1, 1, 0, /*
|
|
|
810 Convert ERROR-OBJECT to an error message, and return it.
|
|
|
811
|
|
|
812 The format of ERROR-OBJECT should be (ERROR-SYMBOL . DATA). The
|
|
|
813 message is equivalent to the one that would be issued by
|
|
|
814 `display-error' with the same argument.
|
|
|
815 */
|
|
|
816 (error_object))
|
|
|
817 {
|
|
|
818 /* This function can GC */
|
|
|
819 Lisp_Object result = Qnil;
|
|
|
820 Lisp_Object stream = make_resizing_buffer_output_stream ();
|
|
|
821 struct gcpro gcpro1;
|
|
|
822 GCPRO1 (stream);
|
|
|
823
|
|
|
824 print_error_message (error_object, stream);
|
|
|
825 Lstream_flush (XLSTREAM (stream));
|
|
|
826 result = make_string (resizing_buffer_stream_ptr (XLSTREAM (stream)),
|
|
|
827 Lstream_byte_count (XLSTREAM (stream)));
|
|
|
828 Lstream_delete (XLSTREAM (stream));
|
|
|
829
|
|
|
830 UNGCPRO;
|
|
|
831 return result;
|
|
|
832 }
|
|
|
833
|
|
171
|
834 DEFUN ("display-error", Fdisplay_error, 2, 2, 0, /*
|
|
280
|
835 Display ERROR-OBJECT on STREAM in a user-friendly way.
|
|
171
|
836 */
|
|
|
837 (error_object, stream))
|
|
|
838 {
|
|
|
839 /* This function can GC */
|
|
280
|
840 print_error_message (error_object, canonicalize_printcharfun (stream));
|
|
171
|
841 return Qnil;
|
|
|
842 }
|
|
100
|
843
|
|
|
844
|
|
0
|
845 #ifdef LISP_FLOAT_TYPE
|
|
|
846
|
|
|
847 Lisp_Object Vfloat_output_format;
|
|
|
848
|
|
|
849 /*
|
|
|
850 * This buffer should be at least as large as the max string size of the
|
|
398
|
851 * largest float, printed in the biggest notation. This is undoubtedly
|
|
0
|
852 * 20d float_output_format, with the negative of the C-constant "HUGE"
|
|
|
853 * from <math.h>.
|
|
173
|
854 *
|
|
0
|
855 * On the vax the worst case is -1e38 in 20d format which takes 61 bytes.
|
|
173
|
856 *
|
|
0
|
857 * I assume that IEEE-754 format numbers can take 329 bytes for the worst
|
|
|
858 * case of -1e307 in 20d float_output_format. What is one to do (short of
|
|
|
859 * re-writing _doprnt to be more sane)?
|
|
|
860 * -wsr
|
|
|
861 */
|
|
280
|
862 void
|
|
|
863 float_to_string (char *buf, double data)
|
|
0
|
864 {
|
|
|
865 Bufbyte *cp, c;
|
|
|
866 int width;
|
|
173
|
867
|
|
0
|
868 if (NILP (Vfloat_output_format)
|
|
|
869 || !STRINGP (Vfloat_output_format))
|
|
|
870 lose:
|
|
|
871 sprintf (buf, "%.16g", data);
|
|
|
872 else /* oink oink */
|
|
|
873 {
|
|
|
874 /* Check that the spec we have is fully valid.
|
|
|
875 This means not only valid for printf,
|
|
|
876 but meant for floats, and reasonable. */
|
|
16
|
877 cp = XSTRING_DATA (Vfloat_output_format);
|
|
0
|
878
|
|
|
879 if (cp[0] != '%')
|
|
|
880 goto lose;
|
|
|
881 if (cp[1] != '.')
|
|
|
882 goto lose;
|
|
|
883
|
|
|
884 cp += 2;
|
|
|
885 for (width = 0; (c = *cp, isdigit (c)); cp++)
|
|
|
886 {
|
|
|
887 width *= 10;
|
|
|
888 width += c - '0';
|
|
|
889 }
|
|
|
890
|
|
173
|
891 if (*cp != 'e' && *cp != 'f' && *cp != 'g' && *cp != 'E' && *cp != 'G')
|
|
0
|
892 goto lose;
|
|
|
893
|
|
|
894 if (width < (int) (*cp != 'e' && *cp != 'E') || width > DBL_DIG)
|
|
|
895 goto lose;
|
|
|
896
|
|
|
897 if (cp[1] != 0)
|
|
|
898 goto lose;
|
|
|
899
|
|
16
|
900 sprintf (buf, (char *) XSTRING_DATA (Vfloat_output_format),
|
|
0
|
901 data);
|
|
|
902 }
|
|
|
903
|
|
|
904 /* added by jwz: don't allow "1.0" to print as "1"; that destroys
|
|
|
905 the read-equivalence of lisp objects. (* x 1) and (* x 1.0) do
|
|
|
906 not do the same thing, so it's important that the printed
|
|
|
907 representation of that form not be corrupted by the printer.
|
|
|
908 */
|
|
|
909 {
|
|
|
910 Bufbyte *s = (Bufbyte *) buf; /* don't use signed chars here!
|
|
|
911 isdigit() can't hack them! */
|
|
|
912 if (*s == '-') s++;
|
|
|
913 for (; *s; s++)
|
|
|
914 /* if there's a non-digit, then there is a decimal point, or
|
|
|
915 it's in exponential notation, both of which are ok. */
|
|
|
916 if (!isdigit (*s))
|
|
|
917 goto DONE_LABEL;
|
|
|
918 /* otherwise, we need to hack it. */
|
|
|
919 *s++ = '.';
|
|
|
920 *s++ = '0';
|
|
|
921 *s = 0;
|
|
|
922 }
|
|
|
923 DONE_LABEL:
|
|
|
924
|
|
|
925 /* Some machines print "0.4" as ".4". I don't like that. */
|
|
|
926 if (buf [0] == '.' || (buf [0] == '-' && buf [1] == '.'))
|
|
|
927 {
|
|
|
928 int i;
|
|
|
929 for (i = strlen (buf) + 1; i >= 0; i--)
|
|
|
930 buf [i+1] = buf [i];
|
|
|
931 buf [(buf [0] == '-' ? 1 : 0)] = '0';
|
|
|
932 }
|
|
|
933 }
|
|
|
934 #endif /* LISP_FLOAT_TYPE */
|
|
278
|
935
|
|
410
|
936 /* Print NUMBER to BUFFER. This is equivalent to sprintf(buffer,
|
|
|
937 "%ld", number), only much faster.
|
|
280
|
938
|
|
|
939 BUFFER should accept 24 bytes. This should suffice for the longest
|
|
398
|
940 numbers on 64-bit machines, including the `-' sign and the trailing
|
|
|
941 \0. */
|
|
278
|
942 void
|
|
|
943 long_to_string (char *buffer, long number)
|
|
|
944 {
|
|
398
|
945 #if (SIZEOF_LONG != 4) && (SIZEOF_LONG != 8)
|
|
|
946 /* Huh? */
|
|
|
947 sprintf (buffer, "%ld", number);
|
|
|
948 #else /* (SIZEOF_LONG == 4) || (SIZEOF_LONG == 8) */
|
|
|
949 char *p = buffer;
|
|
|
950 int force = 0;
|
|
278
|
951
|
|
|
952 if (number < 0)
|
|
|
953 {
|
|
398
|
954 *p++ = '-';
|
|
278
|
955 number = -number;
|
|
|
956 }
|
|
280
|
957
|
|
398
|
958 #define FROB(figure) do { \
|
|
|
959 if (force || number >= figure) \
|
|
|
960 *p++ = number / figure + '0', number %= figure, force = 1; \
|
|
|
961 } while (0)
|
|
|
962 #if SIZEOF_LONG == 8
|
|
|
963 FROB (1000000000000000000L);
|
|
|
964 FROB (100000000000000000L);
|
|
|
965 FROB (10000000000000000L);
|
|
|
966 FROB (1000000000000000L);
|
|
|
967 FROB (100000000000000L);
|
|
|
968 FROB (10000000000000L);
|
|
|
969 FROB (1000000000000L);
|
|
|
970 FROB (100000000000L);
|
|
|
971 FROB (10000000000L);
|
|
|
972 #endif /* SIZEOF_LONG == 8 */
|
|
|
973 FROB (1000000000);
|
|
|
974 FROB (100000000);
|
|
|
975 FROB (10000000);
|
|
|
976 FROB (1000000);
|
|
|
977 FROB (100000);
|
|
|
978 FROB (10000);
|
|
|
979 FROB (1000);
|
|
|
980 FROB (100);
|
|
|
981 FROB (10);
|
|
|
982 #undef FROB
|
|
|
983 *p++ = number + '0';
|
|
|
984 *p = '\0';
|
|
|
985 #endif /* (SIZEOF_LONG == 4) || (SIZEOF_LONG == 8) */
|
|
278
|
986 }
|
|
0
|
987
|
|
|
988 static void
|
|
398
|
989 print_vector_internal (const char *start, const char *end,
|
|
173
|
990 Lisp_Object obj,
|
|
0
|
991 Lisp_Object printcharfun, int escapeflag)
|
|
|
992 {
|
|
|
993 /* This function can GC */
|
|
|
994 int i;
|
|
173
|
995 int len = XVECTOR_LENGTH (obj);
|
|
0
|
996 int last = len;
|
|
|
997 struct gcpro gcpro1, gcpro2;
|
|
|
998 GCPRO2 (obj, printcharfun);
|
|
|
999
|
|
|
1000 if (INTP (Vprint_length))
|
|
|
1001 {
|
|
|
1002 int max = XINT (Vprint_length);
|
|
|
1003 if (max < len) last = max;
|
|
|
1004 }
|
|
|
1005
|
|
|
1006 write_c_string (start, printcharfun);
|
|
|
1007 for (i = 0; i < last; i++)
|
|
|
1008 {
|
|
173
|
1009 Lisp_Object elt = XVECTOR_DATA (obj)[i];
|
|
0
|
1010 if (i != 0) write_char_internal (" ", printcharfun);
|
|
|
1011 print_internal (elt, printcharfun, escapeflag);
|
|
|
1012 }
|
|
|
1013 UNGCPRO;
|
|
|
1014 if (last != len)
|
|
|
1015 write_c_string (" ...", printcharfun);
|
|
|
1016 write_c_string (end, printcharfun);
|
|
|
1017 }
|
|
|
1018
|
|
207
|
1019 void
|
|
|
1020 print_cons (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
|
1021 {
|
|
|
1022 /* This function can GC */
|
|
|
1023 struct gcpro gcpro1, gcpro2;
|
|
|
1024
|
|
|
1025 /* If print_readably is on, print (quote -foo-) as '-foo-
|
|
|
1026 (Yeah, this should really be what print-pretty does, but we
|
|
|
1027 don't have the rest of a pretty printer, and this actually
|
|
|
1028 has non-negligible impact on size/speed of .elc files.)
|
|
|
1029 */
|
|
|
1030 if (print_readably &&
|
|
|
1031 EQ (XCAR (obj), Qquote) &&
|
|
|
1032 CONSP (XCDR (obj)) &&
|
|
|
1033 NILP (XCDR (XCDR (obj))))
|
|
|
1034 {
|
|
|
1035 obj = XCAR (XCDR (obj));
|
|
|
1036 GCPRO2 (obj, printcharfun);
|
|
280
|
1037 write_char_internal ("\'", printcharfun);
|
|
207
|
1038 UNGCPRO;
|
|
|
1039 print_internal (obj, printcharfun, escapeflag);
|
|
|
1040 return;
|
|
|
1041 }
|
|
|
1042
|
|
|
1043 GCPRO2 (obj, printcharfun);
|
|
|
1044 write_char_internal ("(", printcharfun);
|
|
280
|
1045
|
|
207
|
1046 {
|
|
380
|
1047 int len;
|
|
|
1048 int max = INTP (Vprint_length) ? XINT (Vprint_length) : INT_MAX;
|
|
|
1049 Lisp_Object tortoise;
|
|
|
1050 /* Use tortoise/hare to make sure circular lists don't infloop */
|
|
207
|
1051
|
|
380
|
1052 for (tortoise = obj, len = 0;
|
|
|
1053 CONSP (obj);
|
|
|
1054 obj = XCDR (obj), len++)
|
|
207
|
1055 {
|
|
380
|
1056 if (len > 0)
|
|
207
|
1057 write_char_internal (" ", printcharfun);
|
|
380
|
1058 if (EQ (obj, tortoise) && len > 0)
|
|
|
1059 {
|
|
|
1060 if (print_readably)
|
|
|
1061 error ("printing unreadable circular list");
|
|
|
1062 else
|
|
|
1063 write_c_string ("... <circular list>", printcharfun);
|
|
|
1064 break;
|
|
|
1065 }
|
|
|
1066 if (len & 1)
|
|
|
1067 tortoise = XCDR (tortoise);
|
|
|
1068 if (len > max)
|
|
207
|
1069 {
|
|
|
1070 write_c_string ("...", printcharfun);
|
|
|
1071 break;
|
|
|
1072 }
|
|
380
|
1073 print_internal (XCAR (obj), printcharfun, escapeflag);
|
|
207
|
1074 }
|
|
|
1075 }
|
|
272
|
1076 if (!LISTP (obj))
|
|
207
|
1077 {
|
|
|
1078 write_c_string (" . ", printcharfun);
|
|
|
1079 print_internal (obj, printcharfun, escapeflag);
|
|
|
1080 }
|
|
|
1081 UNGCPRO;
|
|
380
|
1082
|
|
207
|
1083 write_char_internal (")", printcharfun);
|
|
|
1084 return;
|
|
|
1085 }
|
|
|
1086
|
|
|
1087 void
|
|
|
1088 print_vector (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
|
1089 {
|
|
|
1090 print_vector_internal ("[", "]", obj, printcharfun, escapeflag);
|
|
|
1091 }
|
|
|
1092
|
|
|
1093 void
|
|
|
1094 print_string (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
|
1095 {
|
|
398
|
1096 Lisp_String *s = XSTRING (obj);
|
|
245
|
1097 /* We distinguish between Bytecounts and Charcounts, to make
|
|
|
1098 Vprint_string_length work correctly under Mule. */
|
|
|
1099 Charcount size = string_char_length (s);
|
|
|
1100 Charcount max = size;
|
|
|
1101 Bytecount bcmax = string_length (s);
|
|
207
|
1102 struct gcpro gcpro1, gcpro2;
|
|
|
1103 GCPRO2 (obj, printcharfun);
|
|
|
1104
|
|
|
1105 if (INTP (Vprint_string_length) &&
|
|
|
1106 XINT (Vprint_string_length) < max)
|
|
245
|
1107 {
|
|
|
1108 max = XINT (Vprint_string_length);
|
|
|
1109 bcmax = charcount_to_bytecount (string_data (s), max);
|
|
|
1110 }
|
|
207
|
1111 if (max < 0)
|
|
245
|
1112 {
|
|
|
1113 max = 0;
|
|
|
1114 bcmax = 0;
|
|
|
1115 }
|
|
207
|
1116
|
|
|
1117 if (!escapeflag)
|
|
|
1118 {
|
|
245
|
1119 /* This deals with GC-relocation and Mule. */
|
|
|
1120 output_string (printcharfun, 0, obj, 0, bcmax);
|
|
207
|
1121 if (max < size)
|
|
|
1122 write_c_string (" ...", printcharfun);
|
|
|
1123 }
|
|
|
1124 else
|
|
|
1125 {
|
|
245
|
1126 Bytecount i, last = 0;
|
|
207
|
1127
|
|
|
1128 write_char_internal ("\"", printcharfun);
|
|
245
|
1129 for (i = 0; i < bcmax; i++)
|
|
207
|
1130 {
|
|
|
1131 Bufbyte ch = string_byte (s, i);
|
|
|
1132 if (ch == '\"' || ch == '\\'
|
|
|
1133 || (ch == '\n' && print_escape_newlines))
|
|
|
1134 {
|
|
|
1135 if (i > last)
|
|
|
1136 {
|
|
|
1137 output_string (printcharfun, 0, obj, last,
|
|
|
1138 i - last);
|
|
|
1139 }
|
|
|
1140 if (ch == '\n')
|
|
|
1141 {
|
|
|
1142 write_c_string ("\\n", printcharfun);
|
|
|
1143 }
|
|
|
1144 else
|
|
|
1145 {
|
|
|
1146 write_char_internal ("\\", printcharfun);
|
|
|
1147 /* This is correct for Mule because the
|
|
|
1148 character is either \ or " */
|
|
278
|
1149 write_char_internal (string_data (s) + i, printcharfun);
|
|
207
|
1150 }
|
|
|
1151 last = i + 1;
|
|
|
1152 }
|
|
|
1153 }
|
|
245
|
1154 if (bcmax > last)
|
|
207
|
1155 {
|
|
|
1156 output_string (printcharfun, 0, obj, last,
|
|
245
|
1157 bcmax - last);
|
|
207
|
1158 }
|
|
|
1159 if (max < size)
|
|
|
1160 write_c_string (" ...", printcharfun);
|
|
|
1161 write_char_internal ("\"", printcharfun);
|
|
|
1162 }
|
|
|
1163 UNGCPRO;
|
|
276
|
1164 }
|
|
207
|
1165
|
|
0
|
1166 static void
|
|
|
1167 default_object_printer (Lisp_Object obj, Lisp_Object printcharfun,
|
|
|
1168 int escapeflag)
|
|
|
1169 {
|
|
|
1170 struct lcrecord_header *header =
|
|
|
1171 (struct lcrecord_header *) XPNTR (obj);
|
|
|
1172 char buf[200];
|
|
|
1173
|
|
|
1174 if (print_readably)
|
|
|
1175 error ("printing unreadable object #<%s 0x%x>",
|
|
211
|
1176 LHEADER_IMPLEMENTATION (&header->lheader)->name,
|
|
|
1177 header->uid);
|
|
0
|
1178
|
|
211
|
1179 sprintf (buf, "#<%s 0x%x>",
|
|
|
1180 LHEADER_IMPLEMENTATION (&header->lheader)->name,
|
|
0
|
1181 header->uid);
|
|
|
1182 write_c_string (buf, printcharfun);
|
|
|
1183 }
|
|
|
1184
|
|
|
1185 void
|
|
|
1186 internal_object_printer (Lisp_Object obj, Lisp_Object printcharfun,
|
|
|
1187 int escapeflag)
|
|
|
1188 {
|
|
|
1189 char buf[200];
|
|
278
|
1190 sprintf (buf, "#<INTERNAL OBJECT (XEmacs bug?) (%s) 0x%lx>",
|
|
211
|
1191 XRECORD_LHEADER_IMPLEMENTATION (obj)->name,
|
|
278
|
1192 (unsigned long) XPNTR (obj));
|
|
0
|
1193 write_c_string (buf, printcharfun);
|
|
|
1194 }
|
|
|
1195
|
|
|
1196 void
|
|
|
1197 print_internal (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
|
1198 {
|
|
|
1199 /* This function can GC */
|
|
|
1200
|
|
|
1201 QUIT;
|
|
|
1202
|
|
380
|
1203 /* Emacs won't print while GCing, but an external debugger might */
|
|
0
|
1204 if (gc_in_progress) return;
|
|
|
1205
|
|
|
1206 #ifdef I18N3
|
|
|
1207 /* #### Both input and output streams should have a flag associated
|
|
|
1208 with them indicating whether output to that stream, or strings
|
|
|
1209 read from the stream, get translated using Fgettext(). Such a
|
|
|
1210 stream is called a "translating stream". For the minibuffer and
|
|
|
1211 external-debugging-output this is always true on output, and
|
|
|
1212 with-output-to-temp-buffer sets the flag to true for the buffer
|
|
|
1213 it creates. This flag should also be user-settable. Perhaps it
|
|
|
1214 should be split up into two flags, one for input and one for
|
|
|
1215 output. */
|
|
|
1216 #endif
|
|
|
1217
|
|
177
|
1218 /* Detect circularities and truncate them.
|
|
|
1219 No need to offer any alternative--this is better than an error. */
|
|
|
1220 if (CONSP (obj) || VECTORP (obj) || COMPILED_FUNCTIONP (obj))
|
|
|
1221 {
|
|
|
1222 int i;
|
|
|
1223 for (i = 0; i < print_depth; i++)
|
|
|
1224 if (EQ (obj, being_printed[i]))
|
|
|
1225 {
|
|
280
|
1226 char buf[32];
|
|
|
1227 *buf = '#';
|
|
|
1228 long_to_string (buf + 1, i);
|
|
177
|
1229 write_c_string (buf, printcharfun);
|
|
|
1230 return;
|
|
|
1231 }
|
|
|
1232 }
|
|
|
1233
|
|
|
1234 being_printed[print_depth] = obj;
|
|
0
|
1235 print_depth++;
|
|
|
1236
|
|
177
|
1237 if (print_depth > PRINT_CIRCLE)
|
|
0
|
1238 error ("Apparently circular structure being printed");
|
|
|
1239
|
|
|
1240 switch (XTYPE (obj))
|
|
|
1241 {
|
|
207
|
1242 case Lisp_Type_Int_Even:
|
|
|
1243 case Lisp_Type_Int_Odd:
|
|
0
|
1244 {
|
|
398
|
1245 /* ASCII Decimal representation uses 2.4 times as many bits as
|
|
|
1246 machine binary. */
|
|
|
1247 char buf[3 * sizeof (EMACS_INT) + 5];
|
|
276
|
1248 long_to_string (buf, XINT (obj));
|
|
0
|
1249 write_c_string (buf, printcharfun);
|
|
|
1250 break;
|
|
|
1251 }
|
|
|
1252
|
|
185
|
1253 case Lisp_Type_Char:
|
|
70
|
1254 {
|
|
|
1255 /* God intended that this be #\..., you know. */
|
|
280
|
1256 char buf[16];
|
|
70
|
1257 Emchar ch = XCHAR (obj);
|
|
278
|
1258 char *p = buf;
|
|
|
1259 *p++ = '?';
|
|
398
|
1260 if (ch < 32)
|
|
|
1261 {
|
|
|
1262 *p++ = '\\';
|
|
|
1263 switch (ch)
|
|
|
1264 {
|
|
|
1265 case '\t': *p++ = 't'; break;
|
|
|
1266 case '\n': *p++ = 'n'; break;
|
|
|
1267 case '\r': *p++ = 'r'; break;
|
|
|
1268 default:
|
|
|
1269 *p++ = '^';
|
|
|
1270 *p++ = ch + 64;
|
|
|
1271 if ((ch + 64) == '\\')
|
|
|
1272 *p++ = '\\';
|
|
|
1273 break;
|
|
|
1274 }
|
|
|
1275 }
|
|
|
1276 else if (ch < 127)
|
|
278
|
1277 {
|
|
398
|
1278 /* syntactically special characters should be escaped. */
|
|
|
1279 switch (ch)
|
|
|
1280 {
|
|
|
1281 case ' ':
|
|
|
1282 case '"':
|
|
|
1283 case '#':
|
|
|
1284 case '\'':
|
|
|
1285 case '(':
|
|
|
1286 case ')':
|
|
|
1287 case ',':
|
|
|
1288 case '.':
|
|
|
1289 case ';':
|
|
|
1290 case '?':
|
|
|
1291 case '[':
|
|
|
1292 case '\\':
|
|
|
1293 case ']':
|
|
|
1294 case '`':
|
|
|
1295 *p++ = '\\';
|
|
|
1296 }
|
|
|
1297 *p++ = ch;
|
|
187
|
1298 }
|
|
278
|
1299 else if (ch == 127)
|
|
398
|
1300 {
|
|
|
1301 *p++ = '\\', *p++ = '^', *p++ = '?';
|
|
|
1302 }
|
|
|
1303 else if (ch < 160)
|
|
70
|
1304 {
|
|
278
|
1305 *p++ = '\\', *p++ = '^';
|
|
398
|
1306 p += set_charptr_emchar ((Bufbyte *) p, ch + 64);
|
|
70
|
1307 }
|
|
|
1308 else
|
|
398
|
1309 {
|
|
|
1310 p += set_charptr_emchar ((Bufbyte *) p, ch);
|
|
|
1311 }
|
|
70
|
1312
|
|
398
|
1313 output_string (printcharfun, (Bufbyte *) buf, Qnil, 0, p - buf);
|
|
|
1314
|
|
0
|
1315 break;
|
|
|
1316 }
|
|
|
1317
|
|
185
|
1318 case Lisp_Type_Record:
|
|
0
|
1319 {
|
|
|
1320 struct lrecord_header *lheader = XRECORD_LHEADER (obj);
|
|
|
1321 struct gcpro gcpro1, gcpro2;
|
|
|
1322
|
|
207
|
1323 if (CONSP (obj) || VECTORP(obj))
|
|
|
1324 {
|
|
|
1325 /* If deeper than spec'd depth, print placeholder. */
|
|
|
1326 if (INTP (Vprint_level)
|
|
|
1327 && print_depth > XINT (Vprint_level))
|
|
|
1328 {
|
|
|
1329 GCPRO2 (obj, printcharfun);
|
|
|
1330 write_c_string ("...", printcharfun);
|
|
|
1331 UNGCPRO;
|
|
|
1332 break;
|
|
|
1333 }
|
|
|
1334 }
|
|
|
1335
|
|
0
|
1336 GCPRO2 (obj, printcharfun);
|
|
211
|
1337 if (LHEADER_IMPLEMENTATION (lheader)->printer)
|
|
|
1338 ((LHEADER_IMPLEMENTATION (lheader)->printer)
|
|
0
|
1339 (obj, printcharfun, escapeflag));
|
|
|
1340 else
|
|
|
1341 default_object_printer (obj, printcharfun, escapeflag);
|
|
|
1342 UNGCPRO;
|
|
|
1343 break;
|
|
|
1344 }
|
|
|
1345
|
|
|
1346 default:
|
|
|
1347 {
|
|
284
|
1348 #ifdef ERROR_CHECK_TYPECHECK
|
|
|
1349 abort ();
|
|
|
1350 #else /* not ERROR_CHECK_TYPECHECK */
|
|
280
|
1351 char buf[128];
|
|
284
|
1352 /* We're in trouble if this happens! */
|
|
0
|
1353 if (print_readably)
|
|
|
1354 error ("printing illegal data type #o%03o",
|
|
|
1355 (int) XTYPE (obj));
|
|
|
1356 write_c_string ("#<EMACS BUG: ILLEGAL DATATYPE ",
|
|
|
1357 printcharfun);
|
|
|
1358 sprintf (buf, "(#o%3o)", (int) XTYPE (obj));
|
|
|
1359 write_c_string (buf, printcharfun);
|
|
|
1360 write_c_string
|
|
|
1361 (" Save your buffers immediately and please report this bug>",
|
|
|
1362 printcharfun);
|
|
284
|
1363 #endif /* not ERROR_CHECK_TYPECHECK */
|
|
0
|
1364 break;
|
|
|
1365 }
|
|
|
1366 }
|
|
|
1367
|
|
|
1368 print_depth--;
|
|
|
1369 }
|
|
|
1370
|
|
|
1371
|
|
|
1372 #ifdef LISP_FLOAT_TYPE
|
|
|
1373 void
|
|
|
1374 print_float (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
|
1375 {
|
|
|
1376 char pigbuf[350]; /* see comments in float_to_string */
|
|
|
1377
|
|
380
|
1378 float_to_string (pigbuf, XFLOAT_DATA (obj));
|
|
0
|
1379 write_c_string (pigbuf, printcharfun);
|
|
|
1380 }
|
|
|
1381 #endif /* LISP_FLOAT_TYPE */
|
|
|
1382
|
|
|
1383 void
|
|
|
1384 print_symbol (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
|
1385 {
|
|
|
1386 /* This function can GC */
|
|
|
1387 /* #### Bug!! (intern "") isn't printed in some distinguished way */
|
|
|
1388 /* #### (the reader also loses on it) */
|
|
398
|
1389 Lisp_String *name = symbol_name (XSYMBOL (obj));
|
|
0
|
1390 Bytecount size = string_length (name);
|
|
|
1391 struct gcpro gcpro1, gcpro2;
|
|
|
1392
|
|
|
1393 if (!escapeflag)
|
|
|
1394 {
|
|
|
1395 /* This deals with GC-relocation */
|
|
|
1396 Lisp_Object nameobj;
|
|
|
1397 XSETSTRING (nameobj, name);
|
|
|
1398 output_string (printcharfun, 0, nameobj, 0, size);
|
|
|
1399 return;
|
|
|
1400 }
|
|
|
1401 GCPRO2 (obj, printcharfun);
|
|
|
1402
|
|
245
|
1403 /* If we print an uninterned symbol as part of a complex object and
|
|
|
1404 the flag print-gensym is non-nil, prefix it with #n= to read the
|
|
|
1405 object back with the #n# reader syntax later if needed. */
|
|
398
|
1406 if (!NILP (Vprint_gensym)
|
|
|
1407 /* #### Test whether this produces a noticable slow-down for
|
|
|
1408 printing when print-gensym is non-nil. */
|
|
|
1409 && !EQ (obj, oblookup (Vobarray,
|
|
|
1410 string_data (symbol_name (XSYMBOL (obj))),
|
|
|
1411 string_length (symbol_name (XSYMBOL (obj))))))
|
|
0
|
1412 {
|
|
245
|
1413 if (print_depth > 1)
|
|
|
1414 {
|
|
|
1415 Lisp_Object tem = Fassq (obj, Vprint_gensym_alist);
|
|
|
1416 if (CONSP (tem))
|
|
|
1417 {
|
|
|
1418 write_char_internal ("#", printcharfun);
|
|
|
1419 print_internal (XCDR (tem), printcharfun, escapeflag);
|
|
|
1420 write_char_internal ("#", printcharfun);
|
|
|
1421 return;
|
|
|
1422 }
|
|
|
1423 else
|
|
|
1424 {
|
|
|
1425 if (CONSP (Vprint_gensym_alist))
|
|
251
|
1426 {
|
|
|
1427 /* Vprint_gensym_alist is exposed to Lisp, so we
|
|
|
1428 have to be careful. */
|
|
|
1429 CHECK_CONS (XCAR (Vprint_gensym_alist));
|
|
|
1430 CHECK_INT (XCDR (XCAR (Vprint_gensym_alist)));
|
|
|
1431 XSETINT (tem, XINT (XCDR (XCAR (Vprint_gensym_alist))) + 1);
|
|
|
1432 }
|
|
245
|
1433 else
|
|
|
1434 XSETINT (tem, 1);
|
|
|
1435 Vprint_gensym_alist = Fcons (Fcons (obj, tem), Vprint_gensym_alist);
|
|
|
1436
|
|
|
1437 write_char_internal ("#", printcharfun);
|
|
|
1438 print_internal (tem, printcharfun, escapeflag);
|
|
|
1439 write_char_internal ("=", printcharfun);
|
|
|
1440 }
|
|
|
1441 }
|
|
|
1442 write_c_string ("#:", printcharfun);
|
|
0
|
1443 }
|
|
|
1444
|
|
|
1445 /* Does it look like an integer or a float? */
|
|
|
1446 {
|
|
|
1447 Bufbyte *data = string_data (name);
|
|
|
1448 Bytecount confusing = 0;
|
|
|
1449
|
|
|
1450 if (size == 0)
|
|
|
1451 goto not_yet_confused; /* Really confusing */
|
|
|
1452 else if (isdigit (data[0]))
|
|
|
1453 confusing = 0;
|
|
|
1454 else if (size == 1)
|
|
|
1455 goto not_yet_confused;
|
|
|
1456 else if (data[0] == '-' || data[0] == '+')
|
|
|
1457 confusing = 1;
|
|
|
1458 else
|
|
|
1459 goto not_yet_confused;
|
|
|
1460
|
|
|
1461 for (; confusing < size; confusing++)
|
|
173
|
1462 {
|
|
0
|
1463 if (!isdigit (data[confusing]))
|
|
|
1464 {
|
|
|
1465 confusing = 0;
|
|
|
1466 break;
|
|
|
1467 }
|
|
|
1468 }
|
|
|
1469 not_yet_confused:
|
|
|
1470
|
|
|
1471 #ifdef LISP_FLOAT_TYPE
|
|
|
1472 if (!confusing)
|
|
278
|
1473 /* #### Ugh, this is needlessly complex and slow for what we
|
|
|
1474 need here. It might be a good idea to copy equivalent code
|
|
|
1475 from FSF. --hniksic */
|
|
0
|
1476 confusing = isfloat_string ((char *) data);
|
|
|
1477 #endif
|
|
|
1478 if (confusing)
|
|
|
1479 write_char_internal ("\\", printcharfun);
|
|
|
1480 }
|
|
|
1481
|
|
|
1482 {
|
|
|
1483 Lisp_Object nameobj;
|
|
|
1484 Bytecount i;
|
|
|
1485 Bytecount last = 0;
|
|
173
|
1486
|
|
0
|
1487 XSETSTRING (nameobj, name);
|
|
|
1488 for (i = 0; i < size; i++)
|
|
|
1489 {
|
|
380
|
1490 switch (string_byte (name, i))
|
|
0
|
1491 {
|
|
380
|
1492 case 0: case 1: case 2: case 3:
|
|
|
1493 case 4: case 5: case 6: case 7:
|
|
|
1494 case 8: case 9: case 10: case 11:
|
|
|
1495 case 12: case 13: case 14: case 15:
|
|
|
1496 case 16: case 17: case 18: case 19:
|
|
|
1497 case 20: case 21: case 22: case 23:
|
|
|
1498 case 24: case 25: case 26: case 27:
|
|
|
1499 case 28: case 29: case 30: case 31:
|
|
|
1500 case ' ': case '\"': case '\\': case '\'':
|
|
|
1501 case ';': case '#' : case '(' : case ')':
|
|
|
1502 case ',': case '.' : case '`' :
|
|
|
1503 case '[': case ']' : case '?' :
|
|
0
|
1504 if (i > last)
|
|
380
|
1505 output_string (printcharfun, 0, nameobj, last, i - last);
|
|
0
|
1506 write_char_internal ("\\", printcharfun);
|
|
|
1507 last = i;
|
|
|
1508 }
|
|
|
1509 }
|
|
|
1510 output_string (printcharfun, 0, nameobj, last, size - last);
|
|
|
1511 }
|
|
|
1512 UNGCPRO;
|
|
|
1513 }
|
|
|
1514
|
|
278
|
1515 /* #ifdef DEBUG_XEMACS */
|
|
280
|
1516
|
|
|
1517 /* I don't like seeing `Note: Strange doc (not fboundp) for function
|
|
|
1518 alternate-debugging-output @ 429542' -slb */
|
|
|
1519 /* #### Eek! Any clue how to get rid of it? In fact, how about
|
|
|
1520 getting rid of this function altogether? Does anything actually
|
|
|
1521 *use* it? --hniksic */
|
|
|
1522
|
|
398
|
1523 static int alternate_do_pointer;
|
|
|
1524 static char alternate_do_string[5000];
|
|
0
|
1525
|
|
20
|
1526 DEFUN ("alternate-debugging-output", Falternate_debugging_output, 1, 1, 0, /*
|
|
0
|
1527 Append CHARACTER to the array `alternate_do_string'.
|
|
|
1528 This can be used in place of `external-debugging-output' as a function
|
|
|
1529 to be passed to `print'. Before calling `print', set `alternate_do_pointer'
|
|
|
1530 to 0.
|
|
20
|
1531 */
|
|
|
1532 (character))
|
|
0
|
1533 {
|
|
|
1534 Bufbyte str[MAX_EMCHAR_LEN];
|
|
|
1535 Bytecount len;
|
|
|
1536 int extlen;
|
|
398
|
1537 const Extbyte *extptr;
|
|
0
|
1538
|
|
|
1539 CHECK_CHAR_COERCE_INT (character);
|
|
|
1540 len = set_charptr_emchar (str, XCHAR (character));
|
|
398
|
1541 TO_EXTERNAL_FORMAT (DATA, (str, len),
|
|
|
1542 ALLOCA, (extptr, extlen),
|
|
|
1543 Qterminal);
|
|
0
|
1544 memcpy (alternate_do_string + alternate_do_pointer, extptr, extlen);
|
|
|
1545 alternate_do_pointer += extlen;
|
|
|
1546 alternate_do_string[alternate_do_pointer] = 0;
|
|
|
1547 return character;
|
|
|
1548 }
|
|
280
|
1549 /* #endif / * DEBUG_XEMACS */
|
|
0
|
1550
|
|
20
|
1551 DEFUN ("external-debugging-output", Fexternal_debugging_output, 1, 3, 0, /*
|
|
0
|
1552 Write CHAR-OR-STRING to stderr or stdout.
|
|
|
1553 If optional arg STDOUT-P is non-nil, write to stdout; otherwise, write
|
|
|
1554 to stderr. You can use this function to write directly to the terminal.
|
|
|
1555 This function can be used as the STREAM argument of Fprint() or the like.
|
|
|
1556
|
|
404
|
1557 Under MS Windows, this writes output to the console window (which is
|
|
|
1558 created, if necessary), unless XEmacs is being run noninteractively
|
|
410
|
1559 \(i.e. using the `-batch' argument).
|
|
404
|
1560
|
|
0
|
1561 If you have opened a termscript file (using `open-termscript'), then
|
|
|
1562 the output also will be logged to this file.
|
|
20
|
1563 */
|
|
|
1564 (char_or_string, stdout_p, device))
|
|
0
|
1565 {
|
|
|
1566 FILE *file = 0;
|
|
|
1567 struct console *con = 0;
|
|
|
1568
|
|
|
1569 if (NILP (device))
|
|
|
1570 {
|
|
|
1571 if (!NILP (stdout_p))
|
|
|
1572 file = stdout;
|
|
|
1573 else
|
|
|
1574 file = stderr;
|
|
|
1575 }
|
|
|
1576 else
|
|
|
1577 {
|
|
|
1578 CHECK_LIVE_DEVICE (device);
|
|
|
1579 if (!DEVICE_TTY_P (XDEVICE (device)) &&
|
|
|
1580 !DEVICE_STREAM_P (XDEVICE (device)))
|
|
|
1581 signal_simple_error ("Must be tty or stream device", device);
|
|
|
1582 con = XCONSOLE (DEVICE_CONSOLE (XDEVICE (device)));
|
|
|
1583 if (DEVICE_TTY_P (XDEVICE (device)))
|
|
|
1584 file = 0;
|
|
|
1585 else if (!NILP (stdout_p))
|
|
396
|
1586 file = CONSOLE_STREAM_DATA (con)->out;
|
|
0
|
1587 else
|
|
396
|
1588 file = CONSOLE_STREAM_DATA (con)->err;
|
|
0
|
1589 }
|
|
|
1590
|
|
|
1591 if (STRINGP (char_or_string))
|
|
|
1592 write_string_to_stdio_stream (file, con,
|
|
16
|
1593 XSTRING_DATA (char_or_string),
|
|
|
1594 0, XSTRING_LENGTH (char_or_string),
|
|
404
|
1595 Qterminal, 1);
|
|
0
|
1596 else
|
|
|
1597 {
|
|
|
1598 Bufbyte str[MAX_EMCHAR_LEN];
|
|
|
1599 Bytecount len;
|
|
|
1600
|
|
|
1601 CHECK_CHAR_COERCE_INT (char_or_string);
|
|
|
1602 len = set_charptr_emchar (str, XCHAR (char_or_string));
|
|
404
|
1603 write_string_to_stdio_stream (file, con, str, 0, len, Qterminal, 1);
|
|
0
|
1604 }
|
|
|
1605
|
|
|
1606 return char_or_string;
|
|
|
1607 }
|
|
|
1608
|
|
20
|
1609 DEFUN ("open-termscript", Fopen_termscript, 1, 1, "FOpen termscript file: ", /*
|
|
0
|
1610 Start writing all terminal output to FILE as well as the terminal.
|
|
|
1611 FILE = nil means just close any termscript file currently open.
|
|
20
|
1612 */
|
|
|
1613 (file))
|
|
0
|
1614 {
|
|
|
1615 /* This function can GC */
|
|
|
1616 if (termscript != 0)
|
|
|
1617 fclose (termscript);
|
|
|
1618 termscript = 0;
|
|
|
1619
|
|
|
1620 if (! NILP (file))
|
|
|
1621 {
|
|
|
1622 file = Fexpand_file_name (file, Qnil);
|
|
16
|
1623 termscript = fopen ((char *) XSTRING_DATA (file), "w");
|
|
183
|
1624 if (termscript == NULL)
|
|
278
|
1625 report_file_error ("Opening termscript", list1 (file));
|
|
0
|
1626 }
|
|
|
1627 return Qnil;
|
|
|
1628 }
|
|
|
1629
|
|
|
1630 #if 1
|
|
|
1631 /* Debugging kludge -- unbuffered */
|
|
398
|
1632 static int debug_print_length = 50;
|
|
|
1633 static int debug_print_level = 15;
|
|
|
1634 static int debug_print_readably = -1;
|
|
272
|
1635
|
|
|
1636 static void
|
|
0
|
1637 debug_print_no_newline (Lisp_Object debug_print_obj)
|
|
|
1638 {
|
|
|
1639 /* This function can GC */
|
|
398
|
1640 int save_print_readably = print_readably;
|
|
|
1641 int save_print_depth = print_depth;
|
|
|
1642 Lisp_Object save_Vprint_length = Vprint_length;
|
|
|
1643 Lisp_Object save_Vprint_level = Vprint_level;
|
|
|
1644 Lisp_Object save_Vinhibit_quit = Vinhibit_quit;
|
|
0
|
1645 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
398
|
1646 GCPRO3 (save_Vprint_level, save_Vprint_length, save_Vinhibit_quit);
|
|
0
|
1647
|
|
|
1648 if (gc_in_progress)
|
|
|
1649 stderr_out ("** gc-in-progress! Bad idea to print anything! **\n");
|
|
|
1650
|
|
|
1651 print_depth = 0;
|
|
398
|
1652 print_readably = debug_print_readably != -1 ? debug_print_readably : 0;
|
|
0
|
1653 print_unbuffered++;
|
|
|
1654 /* Could use unwind-protect, but why bother? */
|
|
|
1655 if (debug_print_length > 0)
|
|
|
1656 Vprint_length = make_int (debug_print_length);
|
|
|
1657 if (debug_print_level > 0)
|
|
|
1658 Vprint_level = make_int (debug_print_level);
|
|
398
|
1659
|
|
0
|
1660 print_internal (debug_print_obj, Qexternal_debugging_output, 1);
|
|
398
|
1661
|
|
|
1662 Vinhibit_quit = save_Vinhibit_quit;
|
|
|
1663 Vprint_level = save_Vprint_level;
|
|
|
1664 Vprint_length = save_Vprint_length;
|
|
|
1665 print_depth = save_print_depth;
|
|
|
1666 print_readably = save_print_readably;
|
|
0
|
1667 print_unbuffered--;
|
|
|
1668 UNGCPRO;
|
|
|
1669 }
|
|
|
1670
|
|
|
1671 void
|
|
|
1672 debug_print (Lisp_Object debug_print_obj)
|
|
|
1673 {
|
|
|
1674 debug_print_no_newline (debug_print_obj);
|
|
272
|
1675 stderr_out ("\n");
|
|
0
|
1676 }
|
|
|
1677
|
|
|
1678 /* Debugging kludge -- unbuffered */
|
|
272
|
1679 /* This function provided for the benefit of the debugger. */
|
|
|
1680 void debug_backtrace (void);
|
|
0
|
1681 void
|
|
|
1682 debug_backtrace (void)
|
|
|
1683 {
|
|
|
1684 /* This function can GC */
|
|
380
|
1685 int old_print_readably = print_readably;
|
|
|
1686 int old_print_depth = print_depth;
|
|
|
1687 Lisp_Object old_print_length = Vprint_length;
|
|
|
1688 Lisp_Object old_print_level = Vprint_level;
|
|
|
1689 Lisp_Object old_inhibit_quit = Vinhibit_quit;
|
|
|
1690
|
|
0
|
1691 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
|
1692 GCPRO3 (old_print_level, old_print_length, old_inhibit_quit);
|
|
|
1693
|
|
|
1694 if (gc_in_progress)
|
|
|
1695 stderr_out ("** gc-in-progress! Bad idea to print anything! **\n");
|
|
|
1696
|
|
|
1697 print_depth = 0;
|
|
|
1698 print_readably = 0;
|
|
|
1699 print_unbuffered++;
|
|
|
1700 /* Could use unwind-protect, but why bother? */
|
|
|
1701 if (debug_print_length > 0)
|
|
|
1702 Vprint_length = make_int (debug_print_length);
|
|
|
1703 if (debug_print_level > 0)
|
|
|
1704 Vprint_level = make_int (debug_print_level);
|
|
380
|
1705
|
|
0
|
1706 Fbacktrace (Qexternal_debugging_output, Qt);
|
|
|
1707 stderr_out ("\n");
|
|
380
|
1708
|
|
|
1709 Vinhibit_quit = old_inhibit_quit;
|
|
|
1710 Vprint_level = old_print_level;
|
|
|
1711 Vprint_length = old_print_length;
|
|
|
1712 print_depth = old_print_depth;
|
|
0
|
1713 print_readably = old_print_readably;
|
|
|
1714 print_unbuffered--;
|
|
380
|
1715
|
|
0
|
1716 UNGCPRO;
|
|
|
1717 }
|
|
|
1718
|
|
|
1719 void
|
|
|
1720 debug_short_backtrace (int length)
|
|
|
1721 {
|
|
|
1722 int first = 1;
|
|
|
1723 struct backtrace *bt = backtrace_list;
|
|
|
1724 stderr_out (" [");
|
|
|
1725 while (length > 0 && bt)
|
|
|
1726 {
|
|
|
1727 if (!first)
|
|
|
1728 {
|
|
|
1729 stderr_out (", ");
|
|
|
1730 }
|
|
|
1731 if (COMPILED_FUNCTIONP (*bt->function))
|
|
|
1732 {
|
|
233
|
1733 #if defined(COMPILED_FUNCTION_ANNOTATION_HACK)
|
|
380
|
1734 Lisp_Object ann =
|
|
|
1735 compiled_function_annotation (XCOMPILED_FUNCTION (*bt->function));
|
|
233
|
1736 #else
|
|
|
1737 Lisp_Object ann = Qnil;
|
|
|
1738 #endif
|
|
0
|
1739 if (!NILP (ann))
|
|
|
1740 {
|
|
|
1741 stderr_out ("<compiled-function from ");
|
|
|
1742 debug_print_no_newline (ann);
|
|
|
1743 stderr_out (">");
|
|
|
1744 }
|
|
|
1745 else
|
|
|
1746 {
|
|
|
1747 stderr_out ("<compiled-function of unknown origin>");
|
|
|
1748 }
|
|
|
1749 }
|
|
|
1750 else
|
|
|
1751 debug_print_no_newline (*bt->function);
|
|
|
1752 first = 0;
|
|
|
1753 length--;
|
|
|
1754 bt = bt->next;
|
|
|
1755 }
|
|
|
1756 stderr_out ("]\n");
|
|
|
1757 }
|
|
|
1758
|
|
|
1759 #endif /* debugging kludge */
|
|
|
1760
|
|
|
1761
|
|
|
1762 void
|
|
|
1763 syms_of_print (void)
|
|
|
1764 {
|
|
|
1765 defsymbol (&Qstandard_output, "standard-output");
|
|
|
1766
|
|
|
1767 defsymbol (&Qprint_length, "print-length");
|
|
|
1768
|
|
|
1769 defsymbol (&Qprint_string_length, "print-string-length");
|
|
171
|
1770
|
|
|
1771 defsymbol (&Qdisplay_error, "display-error");
|
|
|
1772 defsymbol (&Qprint_message_label, "print-message-label");
|
|
|
1773
|
|
20
|
1774 DEFSUBR (Fprin1);
|
|
|
1775 DEFSUBR (Fprin1_to_string);
|
|
|
1776 DEFSUBR (Fprinc);
|
|
|
1777 DEFSUBR (Fprint);
|
|
100
|
1778 DEFSUBR (Ferror_message_string);
|
|
171
|
1779 DEFSUBR (Fdisplay_error);
|
|
20
|
1780 DEFSUBR (Fterpri);
|
|
|
1781 DEFSUBR (Fwrite_char);
|
|
|
1782 DEFSUBR (Falternate_debugging_output);
|
|
|
1783 DEFSUBR (Fexternal_debugging_output);
|
|
|
1784 DEFSUBR (Fopen_termscript);
|
|
0
|
1785 defsymbol (&Qexternal_debugging_output, "external-debugging-output");
|
|
20
|
1786 DEFSUBR (Fwith_output_to_temp_buffer);
|
|
0
|
1787 }
|
|
|
1788
|
|
|
1789 void
|
|
398
|
1790 reinit_vars_of_print (void)
|
|
|
1791 {
|
|
|
1792 alternate_do_pointer = 0;
|
|
|
1793 }
|
|
|
1794
|
|
|
1795 void
|
|
0
|
1796 vars_of_print (void)
|
|
|
1797 {
|
|
398
|
1798 reinit_vars_of_print ();
|
|
0
|
1799
|
|
|
1800 DEFVAR_LISP ("standard-output", &Vstandard_output /*
|
|
|
1801 Output stream `print' uses by default for outputting a character.
|
|
|
1802 This may be any function of one argument.
|
|
|
1803 It may also be a buffer (output is inserted before point)
|
|
|
1804 or a marker (output is inserted and the marker is advanced)
|
|
|
1805 or the symbol t (output appears in the minibuffer line).
|
|
|
1806 */ );
|
|
|
1807 Vstandard_output = Qt;
|
|
|
1808
|
|
|
1809 #ifdef LISP_FLOAT_TYPE
|
|
|
1810 DEFVAR_LISP ("float-output-format", &Vfloat_output_format /*
|
|
|
1811 The format descriptor string that lisp uses to print floats.
|
|
|
1812 This is a %-spec like those accepted by `printf' in C,
|
|
|
1813 but with some restrictions. It must start with the two characters `%.'.
|
|
|
1814 After that comes an integer precision specification,
|
|
|
1815 and then a letter which controls the format.
|
|
|
1816 The letters allowed are `e', `f' and `g'.
|
|
185
|
1817 Use `e' for exponential notation "DIG.DIGITSeEXPT"
|
|
|
1818 Use `f' for decimal point notation "DIGITS.DIGITS".
|
|
0
|
1819 Use `g' to choose the shorter of those two formats for the number at hand.
|
|
|
1820 The precision in any of these cases is the number of digits following
|
|
|
1821 the decimal point. With `f', a precision of 0 means to omit the
|
|
|
1822 decimal point. 0 is not allowed with `f' or `g'.
|
|
|
1823
|
|
|
1824 A value of nil means to use `%.16g'.
|
|
|
1825
|
|
|
1826 Regardless of the value of `float-output-format', a floating point number
|
|
|
1827 will never be printed in such a way that it is ambiguous with an integer;
|
|
|
1828 that is, a floating-point number will always be printed with a decimal
|
|
|
1829 point and/or an exponent, even if the digits following the decimal point
|
|
|
1830 are all zero. This is to preserve read-equivalence.
|
|
|
1831 */ );
|
|
|
1832 Vfloat_output_format = Qnil;
|
|
|
1833 #endif /* LISP_FLOAT_TYPE */
|
|
|
1834
|
|
|
1835 DEFVAR_LISP ("print-length", &Vprint_length /*
|
|
|
1836 Maximum length of list or vector to print before abbreviating.
|
|
|
1837 A value of nil means no limit.
|
|
|
1838 */ );
|
|
|
1839 Vprint_length = Qnil;
|
|
|
1840
|
|
|
1841 DEFVAR_LISP ("print-string-length", &Vprint_string_length /*
|
|
|
1842 Maximum length of string to print before abbreviating.
|
|
|
1843 A value of nil means no limit.
|
|
|
1844 */ );
|
|
|
1845 Vprint_string_length = Qnil;
|
|
|
1846
|
|
|
1847 DEFVAR_LISP ("print-level", &Vprint_level /*
|
|
|
1848 Maximum depth of list nesting to print before abbreviating.
|
|
|
1849 A value of nil means no limit.
|
|
|
1850 */ );
|
|
|
1851 Vprint_level = Qnil;
|
|
|
1852
|
|
|
1853 DEFVAR_BOOL ("print-escape-newlines", &print_escape_newlines /*
|
|
|
1854 Non-nil means print newlines in strings as backslash-n.
|
|
|
1855 */ );
|
|
|
1856 print_escape_newlines = 0;
|
|
|
1857
|
|
|
1858 DEFVAR_BOOL ("print-readably", &print_readably /*
|
|
|
1859 If non-nil, then all objects will be printed in a readable form.
|
|
|
1860 If an object has no readable representation, then an error is signalled.
|
|
|
1861 When print-readably is true, compiled-function objects will be written in
|
|
|
1862 #[...] form instead of in #<compiled-function [...]> form, and two-element
|
|
|
1863 lists of the form (quote object) will be written as the equivalent 'object.
|
|
|
1864 Do not SET this variable; bind it instead.
|
|
|
1865 */ );
|
|
|
1866 print_readably = 0;
|
|
|
1867
|
|
245
|
1868 /* #### I think this should default to t. But we'd better wait
|
|
|
1869 until we see that it works out. */
|
|
|
1870 DEFVAR_LISP ("print-gensym", &Vprint_gensym /*
|
|
0
|
1871 If non-nil, then uninterned symbols will be printed specially.
|
|
|
1872 Uninterned symbols are those which are not present in `obarray', that is,
|
|
|
1873 those which were made with `make-symbol' or by calling `intern' with a
|
|
|
1874 second argument.
|
|
|
1875
|
|
245
|
1876 When print-gensym is true, such symbols will be preceded by "#:",
|
|
|
1877 which causes the reader to create a new symbol instead of interning
|
|
|
1878 and returning an existing one. Beware: the #: syntax creates a new
|
|
|
1879 symbol each time it is seen, so if you print an object which contains
|
|
|
1880 two pointers to the same uninterned symbol, `read' will not duplicate
|
|
|
1881 that structure.
|
|
0
|
1882
|
|
245
|
1883 If the value of `print-gensym' is a cons cell, then in addition
|
|
|
1884 refrain from clearing `print-gensym-alist' on entry to and exit from
|
|
|
1885 printing functions, so that the use of #...# and #...= can carry over
|
|
|
1886 for several separately printed objects.
|
|
0
|
1887 */ );
|
|
245
|
1888 Vprint_gensym = Qnil;
|
|
|
1889
|
|
|
1890 DEFVAR_LISP ("print-gensym-alist", &Vprint_gensym_alist /*
|
|
|
1891 Association list of elements (GENSYM . N) to guide use of #N# and #N=.
|
|
|
1892 In each element, GENSYM is an uninterned symbol that has been associated
|
|
|
1893 with #N= for the specified value of N.
|
|
|
1894 */ );
|
|
|
1895 Vprint_gensym_alist = Qnil;
|
|
0
|
1896
|
|
|
1897 DEFVAR_LISP ("print-message-label", &Vprint_message_label /*
|
|
|
1898 Label for minibuffer messages created with `print'. This should
|
|
|
1899 generally be bound with `let' rather than set. (See `display-message'.)
|
|
|
1900 */ );
|
|
|
1901 Vprint_message_label = Qprint;
|
|
|
1902 }
|
