Commit | Line | Data |
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38010d50 | 1 | /* Lisp object printing and output streams. |
f8c25f1b | 2 | Copyright (C) 1985, 86, 88, 93, 94, 95 Free Software Foundation, Inc. |
38010d50 JB |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
4746118a | 8 | the Free Software Foundation; either version 2, or (at your option) |
38010d50 JB |
9 | any later version. |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
20 | ||
18160b98 | 21 | #include <config.h> |
38010d50 JB |
22 | #include <stdio.h> |
23 | #undef NULL | |
24 | #include "lisp.h" | |
25 | ||
26 | #ifndef standalone | |
27 | #include "buffer.h" | |
0137dbf7 | 28 | #include "frame.h" |
38010d50 JB |
29 | #include "window.h" |
30 | #include "process.h" | |
31 | #include "dispextern.h" | |
32 | #include "termchar.h" | |
33 | #endif /* not standalone */ | |
34 | ||
7651e1f5 RS |
35 | #ifdef USE_TEXT_PROPERTIES |
36 | #include "intervals.h" | |
37 | #endif | |
38 | ||
38010d50 JB |
39 | Lisp_Object Vstandard_output, Qstandard_output; |
40 | ||
41 | #ifdef LISP_FLOAT_TYPE | |
42 | Lisp_Object Vfloat_output_format, Qfloat_output_format; | |
43 | #endif /* LISP_FLOAT_TYPE */ | |
44 | ||
45 | /* Avoid actual stack overflow in print. */ | |
46 | int print_depth; | |
47 | ||
ec838c39 RS |
48 | /* Detect most circularities to print finite output. */ |
49 | #define PRINT_CIRCLE 200 | |
50 | Lisp_Object being_printed[PRINT_CIRCLE]; | |
51 | ||
38010d50 JB |
52 | /* Maximum length of list to print in full; noninteger means |
53 | effectively infinity */ | |
54 | ||
55 | Lisp_Object Vprint_length; | |
56 | ||
57 | /* Maximum depth of list to print in full; noninteger means | |
58 | effectively infinity. */ | |
59 | ||
60 | Lisp_Object Vprint_level; | |
61 | ||
62 | /* Nonzero means print newlines in strings as \n. */ | |
63 | ||
64 | int print_escape_newlines; | |
65 | ||
66 | Lisp_Object Qprint_escape_newlines; | |
67 | ||
5259c737 | 68 | /* Nonzero means print newline to stdout before next minibuffer message. |
38010d50 JB |
69 | Defined in xdisp.c */ |
70 | ||
71 | extern int noninteractive_need_newline; | |
5259c737 | 72 | |
38010d50 JB |
73 | #ifdef MAX_PRINT_CHARS |
74 | static int print_chars; | |
75 | static int max_print; | |
76 | #endif /* MAX_PRINT_CHARS */ | |
7651e1f5 RS |
77 | |
78 | void print_interval (); | |
38010d50 JB |
79 | \f |
80 | #if 0 | |
81 | /* Convert between chars and GLYPHs */ | |
82 | ||
83 | int | |
84 | glyphlen (glyphs) | |
85 | register GLYPH *glyphs; | |
86 | { | |
87 | register int i = 0; | |
88 | ||
89 | while (glyphs[i]) | |
90 | i++; | |
91 | return i; | |
92 | } | |
93 | ||
94 | void | |
95 | str_to_glyph_cpy (str, glyphs) | |
96 | char *str; | |
97 | GLYPH *glyphs; | |
98 | { | |
99 | register GLYPH *gp = glyphs; | |
100 | register char *cp = str; | |
101 | ||
102 | while (*cp) | |
103 | *gp++ = *cp++; | |
104 | } | |
105 | ||
106 | void | |
107 | str_to_glyph_ncpy (str, glyphs, n) | |
108 | char *str; | |
109 | GLYPH *glyphs; | |
110 | register int n; | |
111 | { | |
112 | register GLYPH *gp = glyphs; | |
113 | register char *cp = str; | |
114 | ||
115 | while (n-- > 0) | |
116 | *gp++ = *cp++; | |
117 | } | |
118 | ||
119 | void | |
120 | glyph_to_str_cpy (glyphs, str) | |
121 | GLYPH *glyphs; | |
122 | char *str; | |
123 | { | |
124 | register GLYPH *gp = glyphs; | |
125 | register char *cp = str; | |
126 | ||
127 | while (*gp) | |
128 | *str++ = *gp++ & 0377; | |
129 | } | |
130 | #endif | |
131 | \f | |
eb8c3be9 | 132 | /* Low level output routines for characters and strings */ |
38010d50 JB |
133 | |
134 | /* Lisp functions to do output using a stream | |
135 | must have the stream in a variable called printcharfun | |
136 | and must start with PRINTPREPARE and end with PRINTFINISH. | |
137 | Use PRINTCHAR to output one character, | |
138 | or call strout to output a block of characters. | |
139 | Also, each one must have the declarations | |
140 | struct buffer *old = current_buffer; | |
141 | int old_point = -1, start_point; | |
142 | Lisp_Object original; | |
143 | */ | |
144 | ||
cdaa87fd RS |
145 | #define PRINTPREPARE \ |
146 | original = printcharfun; \ | |
147 | if (NILP (printcharfun)) printcharfun = Qt; \ | |
d4ae1f7e | 148 | if (BUFFERP (printcharfun)) \ |
cdaa87fd RS |
149 | { if (XBUFFER (printcharfun) != current_buffer) \ |
150 | Fset_buffer (printcharfun); \ | |
151 | printcharfun = Qnil;} \ | |
d4ae1f7e | 152 | if (MARKERP (printcharfun)) \ |
cdaa87fd RS |
153 | { if (!(XMARKER (original)->buffer)) \ |
154 | error ("Marker does not point anywhere"); \ | |
155 | if (XMARKER (original)->buffer != current_buffer) \ | |
156 | set_buffer_internal (XMARKER (original)->buffer); \ | |
157 | old_point = point; \ | |
158 | SET_PT (marker_position (printcharfun)); \ | |
159 | start_point = point; \ | |
38010d50 JB |
160 | printcharfun = Qnil;} |
161 | ||
cdaa87fd | 162 | #define PRINTFINISH \ |
d4ae1f7e | 163 | if (MARKERP (original)) \ |
cdaa87fd RS |
164 | Fset_marker (original, make_number (point), Qnil); \ |
165 | if (old_point >= 0) \ | |
166 | SET_PT (old_point + (old_point >= start_point \ | |
167 | ? point - start_point : 0)); \ | |
168 | if (old != current_buffer) \ | |
38010d50 JB |
169 | set_buffer_internal (old) |
170 | ||
171 | #define PRINTCHAR(ch) printchar (ch, printcharfun) | |
172 | ||
b8b1b8fd | 173 | /* Index of first unused element of FRAME_MESSAGE_BUF(mini_frame). */ |
38010d50 JB |
174 | static int printbufidx; |
175 | ||
176 | static void | |
177 | printchar (ch, fun) | |
178 | unsigned char ch; | |
179 | Lisp_Object fun; | |
180 | { | |
181 | Lisp_Object ch1; | |
182 | ||
183 | #ifdef MAX_PRINT_CHARS | |
184 | if (max_print) | |
185 | print_chars++; | |
186 | #endif /* MAX_PRINT_CHARS */ | |
187 | #ifndef standalone | |
188 | if (EQ (fun, Qnil)) | |
189 | { | |
190 | QUIT; | |
191 | insert (&ch, 1); | |
192 | return; | |
193 | } | |
194 | ||
195 | if (EQ (fun, Qt)) | |
196 | { | |
c217b048 | 197 | FRAME_PTR mini_frame |
b8b1b8fd RS |
198 | = XFRAME (WINDOW_FRAME (XWINDOW (minibuf_window))); |
199 | ||
38010d50 JB |
200 | if (noninteractive) |
201 | { | |
202 | putchar (ch); | |
203 | noninteractive_need_newline = 1; | |
204 | return; | |
205 | } | |
206 | ||
b8b1b8fd | 207 | if (echo_area_glyphs != FRAME_MESSAGE_BUF (mini_frame) |
38010d50 JB |
208 | || !message_buf_print) |
209 | { | |
aee72e4f | 210 | message_log_maybe_newline (); |
b8b1b8fd | 211 | echo_area_glyphs = FRAME_MESSAGE_BUF (mini_frame); |
38010d50 | 212 | printbufidx = 0; |
708d172a | 213 | echo_area_glyphs_length = 0; |
38010d50 JB |
214 | message_buf_print = 1; |
215 | } | |
216 | ||
5259c737 | 217 | message_dolog (&ch, 1, 0); |
b8b1b8fd RS |
218 | if (printbufidx < FRAME_WIDTH (mini_frame) - 1) |
219 | FRAME_MESSAGE_BUF (mini_frame)[printbufidx++] = ch; | |
220 | FRAME_MESSAGE_BUF (mini_frame)[printbufidx] = 0; | |
708d172a | 221 | echo_area_glyphs_length = printbufidx; |
38010d50 JB |
222 | |
223 | return; | |
224 | } | |
225 | #endif /* not standalone */ | |
226 | ||
b5d25c37 | 227 | XSETFASTINT (ch1, ch); |
38010d50 JB |
228 | call1 (fun, ch1); |
229 | } | |
230 | ||
231 | static void | |
232 | strout (ptr, size, printcharfun) | |
233 | char *ptr; | |
234 | int size; | |
235 | Lisp_Object printcharfun; | |
236 | { | |
237 | int i = 0; | |
238 | ||
239 | if (EQ (printcharfun, Qnil)) | |
240 | { | |
241 | insert (ptr, size >= 0 ? size : strlen (ptr)); | |
242 | #ifdef MAX_PRINT_CHARS | |
243 | if (max_print) | |
244 | print_chars += size >= 0 ? size : strlen(ptr); | |
245 | #endif /* MAX_PRINT_CHARS */ | |
246 | return; | |
247 | } | |
248 | if (EQ (printcharfun, Qt)) | |
249 | { | |
c217b048 | 250 | FRAME_PTR mini_frame |
b8b1b8fd RS |
251 | = XFRAME (WINDOW_FRAME (XWINDOW (minibuf_window))); |
252 | ||
38010d50 JB |
253 | i = size >= 0 ? size : strlen (ptr); |
254 | #ifdef MAX_PRINT_CHARS | |
255 | if (max_print) | |
256 | print_chars += i; | |
257 | #endif /* MAX_PRINT_CHARS */ | |
258 | ||
259 | if (noninteractive) | |
260 | { | |
261 | fwrite (ptr, 1, i, stdout); | |
262 | noninteractive_need_newline = 1; | |
263 | return; | |
264 | } | |
265 | ||
b8b1b8fd | 266 | if (echo_area_glyphs != FRAME_MESSAGE_BUF (mini_frame) |
38010d50 JB |
267 | || !message_buf_print) |
268 | { | |
aee72e4f | 269 | message_log_maybe_newline (); |
b8b1b8fd | 270 | echo_area_glyphs = FRAME_MESSAGE_BUF (mini_frame); |
38010d50 | 271 | printbufidx = 0; |
708d172a | 272 | echo_area_glyphs_length = 0; |
38010d50 JB |
273 | message_buf_print = 1; |
274 | } | |
275 | ||
5259c737 | 276 | message_dolog (ptr, i, 0); |
b8b1b8fd RS |
277 | if (i > FRAME_WIDTH (mini_frame) - printbufidx - 1) |
278 | i = FRAME_WIDTH (mini_frame) - printbufidx - 1; | |
279 | bcopy (ptr, &FRAME_MESSAGE_BUF (mini_frame) [printbufidx], i); | |
38010d50 | 280 | printbufidx += i; |
708d172a | 281 | echo_area_glyphs_length = printbufidx; |
b8b1b8fd | 282 | FRAME_MESSAGE_BUF (mini_frame) [printbufidx] = 0; |
38010d50 JB |
283 | |
284 | return; | |
285 | } | |
286 | ||
287 | if (size >= 0) | |
288 | while (i < size) | |
289 | PRINTCHAR (ptr[i++]); | |
290 | else | |
291 | while (ptr[i]) | |
292 | PRINTCHAR (ptr[i++]); | |
293 | } | |
294 | ||
295 | /* Print the contents of a string STRING using PRINTCHARFUN. | |
296 | It isn't safe to use strout, because printing one char can relocate. */ | |
297 | ||
298 | print_string (string, printcharfun) | |
299 | Lisp_Object string; | |
300 | Lisp_Object printcharfun; | |
301 | { | |
302 | if (EQ (printcharfun, Qnil) || EQ (printcharfun, Qt)) | |
0137dbf7 | 303 | /* In predictable cases, strout is safe: output to buffer or frame. */ |
38010d50 JB |
304 | strout (XSTRING (string)->data, XSTRING (string)->size, printcharfun); |
305 | else | |
306 | { | |
307 | /* Otherwise, fetch the string address for each character. */ | |
308 | int i; | |
309 | int size = XSTRING (string)->size; | |
310 | struct gcpro gcpro1; | |
311 | GCPRO1 (string); | |
312 | for (i = 0; i < size; i++) | |
313 | PRINTCHAR (XSTRING (string)->data[i]); | |
314 | UNGCPRO; | |
315 | } | |
316 | } | |
317 | \f | |
318 | DEFUN ("write-char", Fwrite_char, Swrite_char, 1, 2, 0, | |
57c9eb68 KH |
319 | "Output character CHAR to stream PRINTCHARFUN.\n\ |
320 | PRINTCHARFUN defaults to the value of `standard-output' (which see).") | |
38010d50 JB |
321 | (ch, printcharfun) |
322 | Lisp_Object ch, printcharfun; | |
323 | { | |
324 | struct buffer *old = current_buffer; | |
325 | int old_point = -1; | |
326 | int start_point; | |
327 | Lisp_Object original; | |
328 | ||
10eebdbb | 329 | if (NILP (printcharfun)) |
38010d50 JB |
330 | printcharfun = Vstandard_output; |
331 | CHECK_NUMBER (ch, 0); | |
332 | PRINTPREPARE; | |
333 | PRINTCHAR (XINT (ch)); | |
334 | PRINTFINISH; | |
335 | return ch; | |
336 | } | |
337 | ||
338 | /* Used from outside of print.c to print a block of SIZE chars at DATA | |
339 | on the default output stream. | |
340 | Do not use this on the contents of a Lisp string. */ | |
341 | ||
342 | write_string (data, size) | |
343 | char *data; | |
344 | int size; | |
345 | { | |
346 | struct buffer *old = current_buffer; | |
347 | Lisp_Object printcharfun; | |
348 | int old_point = -1; | |
349 | int start_point; | |
350 | Lisp_Object original; | |
351 | ||
352 | printcharfun = Vstandard_output; | |
353 | ||
354 | PRINTPREPARE; | |
355 | strout (data, size, printcharfun); | |
356 | PRINTFINISH; | |
357 | } | |
358 | ||
359 | /* Used from outside of print.c to print a block of SIZE chars at DATA | |
360 | on a specified stream PRINTCHARFUN. | |
361 | Do not use this on the contents of a Lisp string. */ | |
362 | ||
363 | write_string_1 (data, size, printcharfun) | |
364 | char *data; | |
365 | int size; | |
366 | Lisp_Object printcharfun; | |
367 | { | |
368 | struct buffer *old = current_buffer; | |
369 | int old_point = -1; | |
370 | int start_point; | |
371 | Lisp_Object original; | |
372 | ||
373 | PRINTPREPARE; | |
374 | strout (data, size, printcharfun); | |
375 | PRINTFINISH; | |
376 | } | |
377 | ||
378 | ||
379 | #ifndef standalone | |
380 | ||
381 | void | |
382 | temp_output_buffer_setup (bufname) | |
383 | char *bufname; | |
384 | { | |
385 | register struct buffer *old = current_buffer; | |
386 | register Lisp_Object buf; | |
387 | ||
388 | Fset_buffer (Fget_buffer_create (build_string (bufname))); | |
389 | ||
2a1c968a | 390 | current_buffer->directory = old->directory; |
38010d50 JB |
391 | current_buffer->read_only = Qnil; |
392 | Ferase_buffer (); | |
393 | ||
633307b5 | 394 | XSETBUFFER (buf, current_buffer); |
38010d50 JB |
395 | specbind (Qstandard_output, buf); |
396 | ||
397 | set_buffer_internal (old); | |
398 | } | |
399 | ||
400 | Lisp_Object | |
401 | internal_with_output_to_temp_buffer (bufname, function, args) | |
402 | char *bufname; | |
403 | Lisp_Object (*function) (); | |
404 | Lisp_Object args; | |
405 | { | |
406 | int count = specpdl_ptr - specpdl; | |
407 | Lisp_Object buf, val; | |
0ab39c81 | 408 | struct gcpro gcpro1; |
38010d50 | 409 | |
0ab39c81 | 410 | GCPRO1 (args); |
38010d50 JB |
411 | record_unwind_protect (Fset_buffer, Fcurrent_buffer ()); |
412 | temp_output_buffer_setup (bufname); | |
413 | buf = Vstandard_output; | |
0ab39c81 | 414 | UNGCPRO; |
38010d50 JB |
415 | |
416 | val = (*function) (args); | |
417 | ||
0ab39c81 | 418 | GCPRO1 (val); |
38010d50 | 419 | temp_output_buffer_show (buf); |
0ab39c81 | 420 | UNGCPRO; |
38010d50 JB |
421 | |
422 | return unbind_to (count, val); | |
423 | } | |
424 | ||
425 | DEFUN ("with-output-to-temp-buffer", Fwith_output_to_temp_buffer, Swith_output_to_temp_buffer, | |
426 | 1, UNEVALLED, 0, | |
427 | "Bind `standard-output' to buffer BUFNAME, eval BODY, then show that buffer.\n\ | |
428 | The buffer is cleared out initially, and marked as unmodified when done.\n\ | |
429 | All output done by BODY is inserted in that buffer by default.\n\ | |
430 | The buffer is displayed in another window, but not selected.\n\ | |
431 | The value of the last form in BODY is returned.\n\ | |
432 | If BODY does not finish normally, the buffer BUFNAME is not displayed.\n\n\ | |
483288d7 | 433 | If variable `temp-buffer-show-function' is non-nil, call it at the end\n\ |
38010d50 JB |
434 | to get the buffer displayed. It gets one argument, the buffer to display.") |
435 | (args) | |
436 | Lisp_Object args; | |
437 | { | |
438 | struct gcpro gcpro1; | |
439 | Lisp_Object name; | |
440 | int count = specpdl_ptr - specpdl; | |
441 | Lisp_Object buf, val; | |
442 | ||
443 | GCPRO1(args); | |
444 | name = Feval (Fcar (args)); | |
445 | UNGCPRO; | |
446 | ||
447 | CHECK_STRING (name, 0); | |
448 | temp_output_buffer_setup (XSTRING (name)->data); | |
449 | buf = Vstandard_output; | |
450 | ||
451 | val = Fprogn (Fcdr (args)); | |
452 | ||
453 | temp_output_buffer_show (buf); | |
454 | ||
455 | return unbind_to (count, val); | |
456 | } | |
457 | #endif /* not standalone */ | |
458 | \f | |
459 | static void print (); | |
460 | ||
461 | DEFUN ("terpri", Fterpri, Sterpri, 0, 1, 0, | |
57c9eb68 KH |
462 | "Output a newline to stream PRINTCHARFUN.\n\ |
463 | If PRINTCHARFUN is omitted or nil, the value of `standard-output' is used.") | |
38010d50 JB |
464 | (printcharfun) |
465 | Lisp_Object printcharfun; | |
466 | { | |
467 | struct buffer *old = current_buffer; | |
468 | int old_point = -1; | |
469 | int start_point; | |
470 | Lisp_Object original; | |
471 | ||
10eebdbb | 472 | if (NILP (printcharfun)) |
38010d50 JB |
473 | printcharfun = Vstandard_output; |
474 | PRINTPREPARE; | |
475 | PRINTCHAR ('\n'); | |
476 | PRINTFINISH; | |
477 | return Qt; | |
478 | } | |
479 | ||
480 | DEFUN ("prin1", Fprin1, Sprin1, 1, 2, 0, | |
481 | "Output the printed representation of OBJECT, any Lisp object.\n\ | |
482 | Quoting characters are printed when needed to make output that `read'\n\ | |
483 | can handle, whenever this is possible.\n\ | |
57c9eb68 | 484 | Output stream is PRINTCHARFUN, or value of `standard-output' (which see).") |
38010d50 JB |
485 | (obj, printcharfun) |
486 | Lisp_Object obj, printcharfun; | |
487 | { | |
488 | struct buffer *old = current_buffer; | |
489 | int old_point = -1; | |
490 | int start_point; | |
491 | Lisp_Object original; | |
492 | ||
493 | #ifdef MAX_PRINT_CHARS | |
494 | max_print = 0; | |
495 | #endif /* MAX_PRINT_CHARS */ | |
10eebdbb | 496 | if (NILP (printcharfun)) |
38010d50 JB |
497 | printcharfun = Vstandard_output; |
498 | PRINTPREPARE; | |
499 | print_depth = 0; | |
500 | print (obj, printcharfun, 1); | |
501 | PRINTFINISH; | |
502 | return obj; | |
503 | } | |
504 | ||
505 | /* a buffer which is used to hold output being built by prin1-to-string */ | |
506 | Lisp_Object Vprin1_to_string_buffer; | |
507 | ||
508 | DEFUN ("prin1-to-string", Fprin1_to_string, Sprin1_to_string, 1, 2, 0, | |
509 | "Return a string containing the printed representation of OBJECT,\n\ | |
510 | any Lisp object. Quoting characters are used when needed to make output\n\ | |
511 | that `read' can handle, whenever this is possible, unless the optional\n\ | |
512 | second argument NOESCAPE is non-nil.") | |
513 | (obj, noescape) | |
514 | Lisp_Object obj, noescape; | |
515 | { | |
516 | struct buffer *old = current_buffer; | |
517 | int old_point = -1; | |
518 | int start_point; | |
519 | Lisp_Object original, printcharfun; | |
520 | struct gcpro gcpro1; | |
521 | ||
522 | printcharfun = Vprin1_to_string_buffer; | |
523 | PRINTPREPARE; | |
524 | print_depth = 0; | |
10eebdbb | 525 | print (obj, printcharfun, NILP (noescape)); |
38010d50 JB |
526 | /* Make Vprin1_to_string_buffer be the default buffer after PRINTFINSH */ |
527 | PRINTFINISH; | |
528 | set_buffer_internal (XBUFFER (Vprin1_to_string_buffer)); | |
529 | obj = Fbuffer_string (); | |
530 | ||
531 | GCPRO1 (obj); | |
532 | Ferase_buffer (); | |
533 | set_buffer_internal (old); | |
534 | UNGCPRO; | |
535 | ||
536 | return obj; | |
537 | } | |
538 | ||
539 | DEFUN ("princ", Fprinc, Sprinc, 1, 2, 0, | |
540 | "Output the printed representation of OBJECT, any Lisp object.\n\ | |
541 | No quoting characters are used; no delimiters are printed around\n\ | |
542 | the contents of strings.\n\ | |
57c9eb68 | 543 | Output stream is PRINTCHARFUN, or value of standard-output (which see).") |
38010d50 JB |
544 | (obj, printcharfun) |
545 | Lisp_Object obj, printcharfun; | |
546 | { | |
547 | struct buffer *old = current_buffer; | |
548 | int old_point = -1; | |
549 | int start_point; | |
550 | Lisp_Object original; | |
551 | ||
10eebdbb | 552 | if (NILP (printcharfun)) |
38010d50 JB |
553 | printcharfun = Vstandard_output; |
554 | PRINTPREPARE; | |
555 | print_depth = 0; | |
556 | print (obj, printcharfun, 0); | |
557 | PRINTFINISH; | |
558 | return obj; | |
559 | } | |
560 | ||
561 | DEFUN ("print", Fprint, Sprint, 1, 2, 0, | |
562 | "Output the printed representation of OBJECT, with newlines around it.\n\ | |
563 | Quoting characters are printed when needed to make output that `read'\n\ | |
564 | can handle, whenever this is possible.\n\ | |
57c9eb68 | 565 | Output stream is PRINTCHARFUN, or value of `standard-output' (which see).") |
38010d50 JB |
566 | (obj, printcharfun) |
567 | Lisp_Object obj, printcharfun; | |
568 | { | |
569 | struct buffer *old = current_buffer; | |
570 | int old_point = -1; | |
571 | int start_point; | |
572 | Lisp_Object original; | |
573 | struct gcpro gcpro1; | |
574 | ||
575 | #ifdef MAX_PRINT_CHARS | |
576 | print_chars = 0; | |
577 | max_print = MAX_PRINT_CHARS; | |
578 | #endif /* MAX_PRINT_CHARS */ | |
10eebdbb | 579 | if (NILP (printcharfun)) |
38010d50 JB |
580 | printcharfun = Vstandard_output; |
581 | GCPRO1 (obj); | |
582 | PRINTPREPARE; | |
583 | print_depth = 0; | |
584 | PRINTCHAR ('\n'); | |
585 | print (obj, printcharfun, 1); | |
586 | PRINTCHAR ('\n'); | |
587 | PRINTFINISH; | |
588 | #ifdef MAX_PRINT_CHARS | |
589 | max_print = 0; | |
590 | print_chars = 0; | |
591 | #endif /* MAX_PRINT_CHARS */ | |
592 | UNGCPRO; | |
593 | return obj; | |
594 | } | |
595 | ||
596 | /* The subroutine object for external-debugging-output is kept here | |
597 | for the convenience of the debugger. */ | |
598 | Lisp_Object Qexternal_debugging_output; | |
599 | ||
4746118a JB |
600 | DEFUN ("external-debugging-output", Fexternal_debugging_output, Sexternal_debugging_output, 1, 1, 0, |
601 | "Write CHARACTER to stderr.\n\ | |
38010d50 JB |
602 | You can call print while debugging emacs, and pass it this function\n\ |
603 | to make it write to the debugging output.\n") | |
4746118a JB |
604 | (character) |
605 | Lisp_Object character; | |
38010d50 JB |
606 | { |
607 | CHECK_NUMBER (character, 0); | |
608 | putc (XINT (character), stderr); | |
609 | ||
610 | return character; | |
611 | } | |
cf1bb91b RS |
612 | |
613 | /* This is the interface for debugging printing. */ | |
614 | ||
615 | void | |
616 | debug_print (arg) | |
617 | Lisp_Object arg; | |
618 | { | |
619 | Fprin1 (arg, Qexternal_debugging_output); | |
620 | } | |
38010d50 JB |
621 | \f |
622 | #ifdef LISP_FLOAT_TYPE | |
623 | ||
38010d50 | 624 | /* |
edb2a707 | 625 | * The buffer should be at least as large as the max string size of the |
38010d50 JB |
626 | * largest float, printed in the biggest notation. This is undoubtably |
627 | * 20d float_output_format, with the negative of the C-constant "HUGE" | |
628 | * from <math.h>. | |
629 | * | |
630 | * On the vax the worst case is -1e38 in 20d format which takes 61 bytes. | |
631 | * | |
632 | * I assume that IEEE-754 format numbers can take 329 bytes for the worst | |
633 | * case of -1e307 in 20d float_output_format. What is one to do (short of | |
634 | * re-writing _doprnt to be more sane)? | |
635 | * -wsr | |
636 | */ | |
edb2a707 RS |
637 | |
638 | void | |
639 | float_to_string (buf, data) | |
8b24d146 | 640 | unsigned char *buf; |
38010d50 JB |
641 | double data; |
642 | { | |
c7b14277 | 643 | unsigned char *cp; |
322890c4 | 644 | int width; |
38010d50 | 645 | |
10eebdbb | 646 | if (NILP (Vfloat_output_format) |
d4ae1f7e | 647 | || !STRINGP (Vfloat_output_format)) |
38010d50 | 648 | lose: |
322890c4 RS |
649 | { |
650 | sprintf (buf, "%.17g", data); | |
651 | width = -1; | |
652 | } | |
38010d50 JB |
653 | else /* oink oink */ |
654 | { | |
655 | /* Check that the spec we have is fully valid. | |
656 | This means not only valid for printf, | |
657 | but meant for floats, and reasonable. */ | |
658 | cp = XSTRING (Vfloat_output_format)->data; | |
659 | ||
660 | if (cp[0] != '%') | |
661 | goto lose; | |
662 | if (cp[1] != '.') | |
663 | goto lose; | |
664 | ||
665 | cp += 2; | |
c7b14277 JB |
666 | |
667 | /* Check the width specification. */ | |
322890c4 | 668 | width = -1; |
c7b14277 JB |
669 | if ('0' <= *cp && *cp <= '9') |
670 | for (width = 0; (*cp >= '0' && *cp <= '9'); cp++) | |
671 | width = (width * 10) + (*cp - '0'); | |
38010d50 JB |
672 | |
673 | if (*cp != 'e' && *cp != 'f' && *cp != 'g') | |
674 | goto lose; | |
675 | ||
c7b14277 JB |
676 | /* A precision of zero is valid for %f; everything else requires |
677 | at least one. Width may be omitted anywhere. */ | |
678 | if (width != -1 | |
679 | && (width < (*cp != 'f') | |
680 | || width > DBL_DIG)) | |
38010d50 JB |
681 | goto lose; |
682 | ||
683 | if (cp[1] != 0) | |
684 | goto lose; | |
685 | ||
686 | sprintf (buf, XSTRING (Vfloat_output_format)->data, data); | |
687 | } | |
edb2a707 | 688 | |
c7b14277 JB |
689 | /* Make sure there is a decimal point with digit after, or an |
690 | exponent, so that the value is readable as a float. But don't do | |
322890c4 RS |
691 | this with "%.0f"; it's valid for that not to produce a decimal |
692 | point. Note that width can be 0 only for %.0f. */ | |
693 | if (width != 0) | |
0601fd3d | 694 | { |
c7b14277 JB |
695 | for (cp = buf; *cp; cp++) |
696 | if ((*cp < '0' || *cp > '9') && *cp != '-') | |
697 | break; | |
0601fd3d | 698 | |
c7b14277 JB |
699 | if (*cp == '.' && cp[1] == 0) |
700 | { | |
701 | cp[1] = '0'; | |
702 | cp[2] = 0; | |
703 | } | |
704 | ||
705 | if (*cp == 0) | |
706 | { | |
707 | *cp++ = '.'; | |
708 | *cp++ = '0'; | |
709 | *cp++ = 0; | |
710 | } | |
edb2a707 | 711 | } |
38010d50 JB |
712 | } |
713 | #endif /* LISP_FLOAT_TYPE */ | |
714 | \f | |
715 | static void | |
716 | print (obj, printcharfun, escapeflag) | |
38010d50 | 717 | Lisp_Object obj; |
38010d50 JB |
718 | register Lisp_Object printcharfun; |
719 | int escapeflag; | |
720 | { | |
721 | char buf[30]; | |
722 | ||
723 | QUIT; | |
724 | ||
ec838c39 RS |
725 | #if 1 /* I'm not sure this is really worth doing. */ |
726 | /* Detect circularities and truncate them. | |
727 | No need to offer any alternative--this is better than an error. */ | |
d4ae1f7e | 728 | if (CONSP (obj) || VECTORP (obj) || COMPILEDP (obj)) |
ec838c39 RS |
729 | { |
730 | int i; | |
731 | for (i = 0; i < print_depth; i++) | |
732 | if (EQ (obj, being_printed[i])) | |
733 | { | |
734 | sprintf (buf, "#%d", i); | |
735 | strout (buf, -1, printcharfun); | |
736 | return; | |
737 | } | |
738 | } | |
739 | #endif | |
740 | ||
741 | being_printed[print_depth] = obj; | |
38010d50 JB |
742 | print_depth++; |
743 | ||
ec838c39 | 744 | if (print_depth > PRINT_CIRCLE) |
38010d50 JB |
745 | error ("Apparently circular structure being printed"); |
746 | #ifdef MAX_PRINT_CHARS | |
747 | if (max_print && print_chars > max_print) | |
748 | { | |
749 | PRINTCHAR ('\n'); | |
750 | print_chars = 0; | |
751 | } | |
752 | #endif /* MAX_PRINT_CHARS */ | |
753 | ||
ca0569ad | 754 | switch (XGCTYPE (obj)) |
38010d50 | 755 | { |
ca0569ad | 756 | case Lisp_Int: |
38010d50 JB |
757 | sprintf (buf, "%d", XINT (obj)); |
758 | strout (buf, -1, printcharfun); | |
ca0569ad RS |
759 | break; |
760 | ||
e0f93814 | 761 | #ifdef LISP_FLOAT_TYPE |
ca0569ad RS |
762 | case Lisp_Float: |
763 | { | |
764 | char pigbuf[350]; /* see comments in float_to_string */ | |
38010d50 | 765 | |
ca0569ad RS |
766 | float_to_string (pigbuf, XFLOAT(obj)->data); |
767 | strout (pigbuf, -1, printcharfun); | |
768 | } | |
769 | break; | |
e0f93814 | 770 | #endif |
ca0569ad RS |
771 | |
772 | case Lisp_String: | |
38010d50 JB |
773 | if (!escapeflag) |
774 | print_string (obj, printcharfun); | |
775 | else | |
776 | { | |
777 | register int i; | |
778 | register unsigned char c; | |
38010d50 JB |
779 | struct gcpro gcpro1; |
780 | ||
7651e1f5 RS |
781 | GCPRO1 (obj); |
782 | ||
783 | #ifdef USE_TEXT_PROPERTIES | |
784 | if (!NULL_INTERVAL_P (XSTRING (obj)->intervals)) | |
785 | { | |
786 | PRINTCHAR ('#'); | |
787 | PRINTCHAR ('('); | |
788 | } | |
789 | #endif | |
38010d50 JB |
790 | |
791 | PRINTCHAR ('\"'); | |
792 | for (i = 0; i < XSTRING (obj)->size; i++) | |
793 | { | |
794 | QUIT; | |
795 | c = XSTRING (obj)->data[i]; | |
796 | if (c == '\n' && print_escape_newlines) | |
797 | { | |
798 | PRINTCHAR ('\\'); | |
799 | PRINTCHAR ('n'); | |
800 | } | |
c6f7982f RM |
801 | else if (c == '\f' && print_escape_newlines) |
802 | { | |
803 | PRINTCHAR ('\\'); | |
804 | PRINTCHAR ('f'); | |
805 | } | |
38010d50 JB |
806 | else |
807 | { | |
808 | if (c == '\"' || c == '\\') | |
809 | PRINTCHAR ('\\'); | |
810 | PRINTCHAR (c); | |
811 | } | |
812 | } | |
813 | PRINTCHAR ('\"'); | |
7651e1f5 RS |
814 | |
815 | #ifdef USE_TEXT_PROPERTIES | |
816 | if (!NULL_INTERVAL_P (XSTRING (obj)->intervals)) | |
817 | { | |
7651e1f5 RS |
818 | traverse_intervals (XSTRING (obj)->intervals, |
819 | 0, 0, print_interval, printcharfun); | |
820 | PRINTCHAR (')'); | |
821 | } | |
822 | #endif | |
823 | ||
38010d50 JB |
824 | UNGCPRO; |
825 | } | |
ca0569ad | 826 | break; |
38010d50 | 827 | |
ca0569ad RS |
828 | case Lisp_Symbol: |
829 | { | |
830 | register int confusing; | |
831 | register unsigned char *p = XSYMBOL (obj)->name->data; | |
832 | register unsigned char *end = p + XSYMBOL (obj)->name->size; | |
833 | register unsigned char c; | |
834 | ||
835 | if (p != end && (*p == '-' || *p == '+')) p++; | |
836 | if (p == end) | |
837 | confusing = 0; | |
838 | else | |
839 | { | |
840 | while (p != end && *p >= '0' && *p <= '9') | |
841 | p++; | |
842 | confusing = (end == p); | |
843 | } | |
844 | ||
845 | p = XSYMBOL (obj)->name->data; | |
846 | while (p != end) | |
847 | { | |
848 | QUIT; | |
849 | c = *p++; | |
850 | if (escapeflag) | |
851 | { | |
852 | if (c == '\"' || c == '\\' || c == '\'' || c == ';' || c == '#' || | |
853 | c == '(' || c == ')' || c == ',' || c =='.' || c == '`' || | |
854 | c == '[' || c == ']' || c == '?' || c <= 040 || confusing) | |
855 | PRINTCHAR ('\\'), confusing = 0; | |
856 | } | |
857 | PRINTCHAR (c); | |
858 | } | |
859 | } | |
860 | break; | |
861 | ||
862 | case Lisp_Cons: | |
38010d50 | 863 | /* If deeper than spec'd depth, print placeholder. */ |
d4ae1f7e | 864 | if (INTEGERP (Vprint_level) |
38010d50 | 865 | && print_depth > XINT (Vprint_level)) |
e0f93814 KH |
866 | strout ("...", -1, printcharfun); |
867 | else | |
38010d50 | 868 | { |
e0f93814 | 869 | PRINTCHAR ('('); |
38010d50 | 870 | { |
e0f93814 KH |
871 | register int i = 0; |
872 | register int max = 0; | |
873 | ||
874 | if (INTEGERP (Vprint_length)) | |
875 | max = XINT (Vprint_length); | |
876 | /* Could recognize circularities in cdrs here, | |
877 | but that would make printing of long lists quadratic. | |
878 | It's not worth doing. */ | |
879 | while (CONSP (obj)) | |
38010d50 | 880 | { |
e0f93814 KH |
881 | if (i++) |
882 | PRINTCHAR (' '); | |
883 | if (max && i > max) | |
884 | { | |
885 | strout ("...", 3, printcharfun); | |
886 | break; | |
887 | } | |
888 | print (Fcar (obj), printcharfun, escapeflag); | |
889 | obj = Fcdr (obj); | |
38010d50 | 890 | } |
38010d50 | 891 | } |
e0f93814 KH |
892 | if (!NILP (obj) && !CONSP (obj)) |
893 | { | |
894 | strout (" . ", 3, printcharfun); | |
895 | print (obj, printcharfun, escapeflag); | |
896 | } | |
897 | PRINTCHAR (')'); | |
38010d50 | 898 | } |
ca0569ad RS |
899 | break; |
900 | ||
901 | case Lisp_Vectorlike: | |
902 | if (PROCESSP (obj)) | |
903 | { | |
904 | if (escapeflag) | |
905 | { | |
906 | strout ("#<process ", -1, printcharfun); | |
907 | print_string (XPROCESS (obj)->name, printcharfun); | |
908 | PRINTCHAR ('>'); | |
909 | } | |
910 | else | |
911 | print_string (XPROCESS (obj)->name, printcharfun); | |
912 | } | |
913 | else if (SUBRP (obj)) | |
914 | { | |
915 | strout ("#<subr ", -1, printcharfun); | |
916 | strout (XSUBR (obj)->symbol_name, -1, printcharfun); | |
917 | PRINTCHAR ('>'); | |
918 | } | |
919 | #ifndef standalone | |
920 | else if (WINDOWP (obj)) | |
921 | { | |
922 | strout ("#<window ", -1, printcharfun); | |
923 | sprintf (buf, "%d", XFASTINT (XWINDOW (obj)->sequence_number)); | |
924 | strout (buf, -1, printcharfun); | |
925 | if (!NILP (XWINDOW (obj)->buffer)) | |
926 | { | |
927 | strout (" on ", -1, printcharfun); | |
928 | print_string (XBUFFER (XWINDOW (obj)->buffer)->name, printcharfun); | |
929 | } | |
930 | PRINTCHAR ('>'); | |
931 | } | |
908b0ae5 RS |
932 | else if (BUFFERP (obj)) |
933 | { | |
934 | if (NILP (XBUFFER (obj)->name)) | |
935 | strout ("#<killed buffer>", -1, printcharfun); | |
936 | else if (escapeflag) | |
937 | { | |
938 | strout ("#<buffer ", -1, printcharfun); | |
939 | print_string (XBUFFER (obj)->name, printcharfun); | |
940 | PRINTCHAR ('>'); | |
941 | } | |
942 | else | |
943 | print_string (XBUFFER (obj)->name, printcharfun); | |
944 | } | |
ca0569ad RS |
945 | else if (WINDOW_CONFIGURATIONP (obj)) |
946 | { | |
947 | strout ("#<window-configuration>", -1, printcharfun); | |
948 | } | |
949 | #ifdef MULTI_FRAME | |
950 | else if (FRAMEP (obj)) | |
951 | { | |
952 | strout ((FRAME_LIVE_P (XFRAME (obj)) | |
953 | ? "#<frame " : "#<dead frame "), | |
954 | -1, printcharfun); | |
955 | print_string (XFRAME (obj)->name, printcharfun); | |
956 | sprintf (buf, " 0x%lx", (unsigned long) (XFRAME (obj))); | |
957 | strout (buf, -1, printcharfun); | |
958 | PRINTCHAR ('>'); | |
959 | } | |
960 | #endif | |
961 | #endif /* not standalone */ | |
962 | else | |
963 | { | |
964 | int size = XVECTOR (obj)->size; | |
965 | if (COMPILEDP (obj)) | |
966 | { | |
967 | PRINTCHAR ('#'); | |
968 | size &= PSEUDOVECTOR_SIZE_MASK; | |
969 | } | |
00d76abc KH |
970 | if (size & PSEUDOVECTOR_FLAG) |
971 | goto badtype; | |
ca0569ad RS |
972 | |
973 | PRINTCHAR ('['); | |
38010d50 | 974 | { |
ca0569ad RS |
975 | register int i; |
976 | register Lisp_Object tem; | |
977 | for (i = 0; i < size; i++) | |
978 | { | |
979 | if (i) PRINTCHAR (' '); | |
980 | tem = XVECTOR (obj)->contents[i]; | |
981 | print (tem, printcharfun, escapeflag); | |
982 | } | |
38010d50 | 983 | } |
ca0569ad RS |
984 | PRINTCHAR (']'); |
985 | } | |
986 | break; | |
987 | ||
38010d50 | 988 | #ifndef standalone |
ca0569ad | 989 | case Lisp_Misc: |
00d76abc | 990 | switch (XMISC (obj)->type) |
38010d50 | 991 | { |
00d76abc | 992 | case Lisp_Misc_Marker: |
ca0569ad RS |
993 | strout ("#<marker ", -1, printcharfun); |
994 | if (!(XMARKER (obj)->buffer)) | |
995 | strout ("in no buffer", -1, printcharfun); | |
996 | else | |
997 | { | |
998 | sprintf (buf, "at %d", marker_position (obj)); | |
999 | strout (buf, -1, printcharfun); | |
1000 | strout (" in ", -1, printcharfun); | |
1001 | print_string (XMARKER (obj)->buffer->name, printcharfun); | |
1002 | } | |
38010d50 | 1003 | PRINTCHAR ('>'); |
908b0ae5 | 1004 | break; |
00d76abc KH |
1005 | |
1006 | case Lisp_Misc_Overlay: | |
ca0569ad RS |
1007 | strout ("#<overlay ", -1, printcharfun); |
1008 | if (!(XMARKER (OVERLAY_START (obj))->buffer)) | |
1009 | strout ("in no buffer", -1, printcharfun); | |
1010 | else | |
1011 | { | |
1012 | sprintf (buf, "from %d to %d in ", | |
1013 | marker_position (OVERLAY_START (obj)), | |
1014 | marker_position (OVERLAY_END (obj))); | |
1015 | strout (buf, -1, printcharfun); | |
1016 | print_string (XMARKER (OVERLAY_START (obj))->buffer->name, | |
1017 | printcharfun); | |
1018 | } | |
1019 | PRINTCHAR ('>'); | |
908b0ae5 | 1020 | break; |
00d76abc KH |
1021 | |
1022 | /* Remaining cases shouldn't happen in normal usage, but let's print | |
1023 | them anyway for the benefit of the debugger. */ | |
1024 | case Lisp_Misc_Free: | |
1025 | strout ("#<misc free cell>", -1, printcharfun); | |
1026 | break; | |
1027 | ||
1028 | case Lisp_Misc_Intfwd: | |
1029 | sprintf (buf, "#<intfwd to %d>", *XINTFWD (obj)->intvar); | |
1030 | strout (buf, -1, printcharfun); | |
1031 | break; | |
1032 | ||
1033 | case Lisp_Misc_Boolfwd: | |
1034 | sprintf (buf, "#<boolfwd to %s>", | |
1035 | (*XBOOLFWD (obj)->boolvar ? "t" : "nil")); | |
1036 | strout (buf, -1, printcharfun); | |
1037 | break; | |
1038 | ||
1039 | case Lisp_Misc_Objfwd: | |
1040 | strout (buf, "#<objfwd to ", -1, printcharfun); | |
1041 | print (*XOBJFWD (obj)->objvar, printcharfun, escapeflag); | |
1042 | PRINTCHAR ('>'); | |
1043 | break; | |
1044 | ||
1045 | case Lisp_Misc_Buffer_Objfwd: | |
1046 | strout (buf, "#<buffer_objfwd to ", -1, printcharfun); | |
3ac613c1 KH |
1047 | print (*(Lisp_Object *)((char *)current_buffer |
1048 | + XBUFFER_OBJFWD (obj)->offset), | |
1049 | printcharfun, escapeflag); | |
1050 | PRINTCHAR ('>'); | |
1051 | break; | |
1052 | ||
fb917148 KH |
1053 | case Lisp_Misc_Kboard_Objfwd: |
1054 | strout (buf, "#<kboard_objfwd to ", -1, printcharfun); | |
1055 | print (*(Lisp_Object *)((char *) current_kboard | |
1056 | + XKBOARD_OBJFWD (obj)->offset), | |
7ae137a9 | 1057 | printcharfun, escapeflag); |
00d76abc KH |
1058 | PRINTCHAR ('>'); |
1059 | break; | |
1060 | ||
1061 | case Lisp_Misc_Buffer_Local_Value: | |
1062 | strout ("#<buffer_local_value ", -1, printcharfun); | |
1063 | goto do_buffer_local; | |
1064 | case Lisp_Misc_Some_Buffer_Local_Value: | |
1065 | strout ("#<some_buffer_local_value ", -1, printcharfun); | |
1066 | do_buffer_local: | |
1067 | strout ("[realvalue] ", -1, printcharfun); | |
1068 | print (XBUFFER_LOCAL_VALUE (obj)->car, printcharfun, escapeflag); | |
1069 | strout ("[buffer] ", -1, printcharfun); | |
1070 | print (XCONS (XBUFFER_LOCAL_VALUE (obj)->cdr)->car, | |
1071 | printcharfun, escapeflag); | |
1072 | strout ("[alist-elt] ", -1, printcharfun); | |
1073 | print (XCONS (XCONS (XBUFFER_LOCAL_VALUE (obj)->cdr)->cdr)->car, | |
1074 | printcharfun, escapeflag); | |
1075 | strout ("[default-value] ", -1, printcharfun); | |
1076 | print (XCONS (XCONS (XBUFFER_LOCAL_VALUE (obj)->cdr)->cdr)->cdr, | |
1077 | printcharfun, escapeflag); | |
1078 | PRINTCHAR ('>'); | |
1079 | break; | |
1080 | ||
1081 | default: | |
1082 | goto badtype; | |
e0f93814 | 1083 | } |
00d76abc | 1084 | break; |
38010d50 | 1085 | #endif /* standalone */ |
ca0569ad RS |
1086 | |
1087 | default: | |
00d76abc | 1088 | badtype: |
ca0569ad RS |
1089 | { |
1090 | /* We're in trouble if this happens! | |
1091 | Probably should just abort () */ | |
1092 | strout ("#<EMACS BUG: INVALID DATATYPE ", -1, printcharfun); | |
00d76abc KH |
1093 | if (MISCP (obj)) |
1094 | sprintf (buf, "(MISC 0x%04x)", (int) XMISC (obj)->type); | |
1095 | else if (VECTORLIKEP (obj)) | |
1096 | sprintf (buf, "(PVEC 0x%08x)", (int) XVECTOR (obj)->size); | |
1097 | else | |
1098 | sprintf (buf, "(0x%02x)", (int) XTYPE (obj)); | |
ca0569ad RS |
1099 | strout (buf, -1, printcharfun); |
1100 | strout (" Save your buffers immediately and please report this bug>", | |
1101 | -1, printcharfun); | |
1102 | } | |
38010d50 JB |
1103 | } |
1104 | ||
1105 | print_depth--; | |
1106 | } | |
1107 | \f | |
7651e1f5 RS |
1108 | #ifdef USE_TEXT_PROPERTIES |
1109 | ||
1110 | /* Print a description of INTERVAL using PRINTCHARFUN. | |
1111 | This is part of printing a string that has text properties. */ | |
1112 | ||
1113 | void | |
1114 | print_interval (interval, printcharfun) | |
1115 | INTERVAL interval; | |
1116 | Lisp_Object printcharfun; | |
1117 | { | |
30503c0b | 1118 | PRINTCHAR (' '); |
7651e1f5 RS |
1119 | print (make_number (interval->position), printcharfun, 1); |
1120 | PRINTCHAR (' '); | |
1121 | print (make_number (interval->position + LENGTH (interval)), | |
1122 | printcharfun, 1); | |
1123 | PRINTCHAR (' '); | |
1124 | print (interval->plist, printcharfun, 1); | |
7651e1f5 RS |
1125 | } |
1126 | ||
1127 | #endif /* USE_TEXT_PROPERTIES */ | |
1128 | \f | |
38010d50 JB |
1129 | void |
1130 | syms_of_print () | |
1131 | { | |
1132 | staticpro (&Qprint_escape_newlines); | |
1133 | Qprint_escape_newlines = intern ("print-escape-newlines"); | |
1134 | ||
1135 | DEFVAR_LISP ("standard-output", &Vstandard_output, | |
1136 | "Output stream `print' uses by default for outputting a character.\n\ | |
1137 | This may be any function of one argument.\n\ | |
1138 | It may also be a buffer (output is inserted before point)\n\ | |
1139 | or a marker (output is inserted and the marker is advanced)\n\ | |
1140 | or the symbol t (output appears in the minibuffer line)."); | |
1141 | Vstandard_output = Qt; | |
1142 | Qstandard_output = intern ("standard-output"); | |
1143 | staticpro (&Qstandard_output); | |
1144 | ||
1145 | #ifdef LISP_FLOAT_TYPE | |
1146 | DEFVAR_LISP ("float-output-format", &Vfloat_output_format, | |
06ef7355 | 1147 | "The format descriptor string used to print floats.\n\ |
38010d50 JB |
1148 | This is a %-spec like those accepted by `printf' in C,\n\ |
1149 | but with some restrictions. It must start with the two characters `%.'.\n\ | |
1150 | After that comes an integer precision specification,\n\ | |
1151 | and then a letter which controls the format.\n\ | |
1152 | The letters allowed are `e', `f' and `g'.\n\ | |
1153 | Use `e' for exponential notation \"DIG.DIGITSeEXPT\"\n\ | |
1154 | Use `f' for decimal point notation \"DIGITS.DIGITS\".\n\ | |
1155 | Use `g' to choose the shorter of those two formats for the number at hand.\n\ | |
1156 | The precision in any of these cases is the number of digits following\n\ | |
1157 | the decimal point. With `f', a precision of 0 means to omit the\n\ | |
c7b14277 | 1158 | decimal point. 0 is not allowed with `e' or `g'.\n\n\ |
322890c4 | 1159 | A value of nil means to use `%.17g'."); |
38010d50 JB |
1160 | Vfloat_output_format = Qnil; |
1161 | Qfloat_output_format = intern ("float-output-format"); | |
1162 | staticpro (&Qfloat_output_format); | |
1163 | #endif /* LISP_FLOAT_TYPE */ | |
1164 | ||
1165 | DEFVAR_LISP ("print-length", &Vprint_length, | |
aa734e17 | 1166 | "Maximum length of list to print before abbreviating.\n\ |
38010d50 JB |
1167 | A value of nil means no limit."); |
1168 | Vprint_length = Qnil; | |
1169 | ||
1170 | DEFVAR_LISP ("print-level", &Vprint_level, | |
aa734e17 | 1171 | "Maximum depth of list nesting to print before abbreviating.\n\ |
38010d50 JB |
1172 | A value of nil means no limit."); |
1173 | Vprint_level = Qnil; | |
1174 | ||
1175 | DEFVAR_BOOL ("print-escape-newlines", &print_escape_newlines, | |
a8920a17 | 1176 | "Non-nil means print newlines in strings as backslash-n.\n\ |
c6f7982f | 1177 | Also print formfeeds as backslash-f."); |
38010d50 JB |
1178 | print_escape_newlines = 0; |
1179 | ||
1180 | /* prin1_to_string_buffer initialized in init_buffer_once in buffer.c */ | |
1181 | staticpro (&Vprin1_to_string_buffer); | |
1182 | ||
1183 | defsubr (&Sprin1); | |
1184 | defsubr (&Sprin1_to_string); | |
1185 | defsubr (&Sprinc); | |
1186 | defsubr (&Sprint); | |
1187 | defsubr (&Sterpri); | |
1188 | defsubr (&Swrite_char); | |
1189 | defsubr (&Sexternal_debugging_output); | |
1190 | ||
1191 | Qexternal_debugging_output = intern ("external-debugging-output"); | |
1192 | staticpro (&Qexternal_debugging_output); | |
1193 | ||
1194 | #ifndef standalone | |
1195 | defsubr (&Swith_output_to_temp_buffer); | |
1196 | #endif /* not standalone */ | |
1197 | } |