Commit | Line | Data |
---|---|---|
38010d50 | 1 | /* Lisp object printing and output streams. |
31c8f881 | 2 | Copyright (C) 1985, 86, 88, 93, 94, 95, 97, 98 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 | |
3b7ad313 EN |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
19 | Boston, MA 02111-1307, USA. */ | |
38010d50 JB |
20 | |
21 | ||
18160b98 | 22 | #include <config.h> |
38010d50 | 23 | #include <stdio.h> |
38010d50 JB |
24 | #include "lisp.h" |
25 | ||
26 | #ifndef standalone | |
27 | #include "buffer.h" | |
087e3c46 | 28 | #include "charset.h" |
0137dbf7 | 29 | #include "frame.h" |
38010d50 JB |
30 | #include "window.h" |
31 | #include "process.h" | |
32 | #include "dispextern.h" | |
33 | #include "termchar.h" | |
077d751f | 34 | #include "keyboard.h" |
38010d50 JB |
35 | #endif /* not standalone */ |
36 | ||
7651e1f5 RS |
37 | #ifdef USE_TEXT_PROPERTIES |
38 | #include "intervals.h" | |
39 | #endif | |
40 | ||
38010d50 JB |
41 | Lisp_Object Vstandard_output, Qstandard_output; |
42 | ||
2f100b5c EN |
43 | /* These are used to print like we read. */ |
44 | extern Lisp_Object Qbackquote, Qcomma, Qcomma_at, Qcomma_dot, Qfunction; | |
45 | ||
38010d50 JB |
46 | #ifdef LISP_FLOAT_TYPE |
47 | Lisp_Object Vfloat_output_format, Qfloat_output_format; | |
f356c3fb PE |
48 | |
49 | /* Work around a problem that happens because math.h on hpux 7 | |
50 | defines two static variables--which, in Emacs, are not really static, | |
51 | because `static' is defined as nothing. The problem is that they are | |
52 | defined both here and in lread.c. | |
53 | These macros prevent the name conflict. */ | |
54 | #if defined (HPUX) && !defined (HPUX8) | |
55 | #define _MAXLDBL print_maxldbl | |
56 | #define _NMAXLDBL print_nmaxldbl | |
57 | #endif | |
58 | ||
59 | #include <math.h> | |
60 | ||
61 | #if STDC_HEADERS | |
62 | #include <float.h> | |
63 | #include <stdlib.h> | |
64 | #endif | |
65 | ||
66 | /* Default to values appropriate for IEEE floating point. */ | |
67 | #ifndef FLT_RADIX | |
68 | #define FLT_RADIX 2 | |
69 | #endif | |
70 | #ifndef DBL_MANT_DIG | |
71 | #define DBL_MANT_DIG 53 | |
72 | #endif | |
73 | #ifndef DBL_DIG | |
74 | #define DBL_DIG 15 | |
75 | #endif | |
b0a1044b PE |
76 | #ifndef DBL_MIN |
77 | #define DBL_MIN 2.2250738585072014e-308 | |
78 | #endif | |
79 | ||
80 | #ifdef DBL_MIN_REPLACEMENT | |
81 | #undef DBL_MIN | |
82 | #define DBL_MIN DBL_MIN_REPLACEMENT | |
83 | #endif | |
f356c3fb PE |
84 | |
85 | /* Define DOUBLE_DIGITS_BOUND, an upper bound on the number of decimal digits | |
86 | needed to express a float without losing information. | |
87 | The general-case formula is valid for the usual case, IEEE floating point, | |
88 | but many compilers can't optimize the formula to an integer constant, | |
89 | so make a special case for it. */ | |
90 | #if FLT_RADIX == 2 && DBL_MANT_DIG == 53 | |
91 | #define DOUBLE_DIGITS_BOUND 17 /* IEEE floating point */ | |
92 | #else | |
93 | #define DOUBLE_DIGITS_BOUND ((int) ceil (log10 (pow (FLT_RADIX, DBL_MANT_DIG)))) | |
94 | #endif | |
95 | ||
38010d50 JB |
96 | #endif /* LISP_FLOAT_TYPE */ |
97 | ||
98 | /* Avoid actual stack overflow in print. */ | |
99 | int print_depth; | |
100 | ||
ec838c39 RS |
101 | /* Detect most circularities to print finite output. */ |
102 | #define PRINT_CIRCLE 200 | |
103 | Lisp_Object being_printed[PRINT_CIRCLE]; | |
104 | ||
6fec5601 RS |
105 | /* When printing into a buffer, first we put the text in this |
106 | block, then insert it all at once. */ | |
107 | char *print_buffer; | |
108 | ||
109 | /* Size allocated in print_buffer. */ | |
110 | int print_buffer_size; | |
dc2a0b79 | 111 | /* Chars stored in print_buffer. */ |
6fec5601 | 112 | int print_buffer_pos; |
dc2a0b79 RS |
113 | /* Bytes stored in print_buffer. */ |
114 | int print_buffer_pos_byte; | |
6fec5601 | 115 | |
38010d50 JB |
116 | /* Maximum length of list to print in full; noninteger means |
117 | effectively infinity */ | |
118 | ||
119 | Lisp_Object Vprint_length; | |
120 | ||
121 | /* Maximum depth of list to print in full; noninteger means | |
122 | effectively infinity. */ | |
123 | ||
124 | Lisp_Object Vprint_level; | |
125 | ||
126 | /* Nonzero means print newlines in strings as \n. */ | |
127 | ||
128 | int print_escape_newlines; | |
129 | ||
130 | Lisp_Object Qprint_escape_newlines; | |
131 | ||
2f100b5c EN |
132 | /* Nonzero means print (quote foo) forms as 'foo, etc. */ |
133 | ||
134 | int print_quoted; | |
135 | ||
e0f69431 RS |
136 | /* Non-nil means print #: before uninterned symbols. |
137 | Neither t nor nil means so that and don't clear Vprint_gensym_alist | |
138 | on entry to and exit from print functions. */ | |
081e0581 | 139 | |
e0f69431 | 140 | Lisp_Object Vprint_gensym; |
081e0581 EN |
141 | |
142 | /* Association list of certain objects that are `eq' in the form being | |
143 | printed and which should be `eq' when read back in, using the #n=object | |
144 | and #n# reader forms. Each element has the form (object . n). */ | |
145 | ||
e0f69431 | 146 | Lisp_Object Vprint_gensym_alist; |
2f100b5c | 147 | |
5259c737 | 148 | /* Nonzero means print newline to stdout before next minibuffer message. |
38010d50 JB |
149 | Defined in xdisp.c */ |
150 | ||
151 | extern int noninteractive_need_newline; | |
5259c737 | 152 | |
aec2b95b RS |
153 | extern int minibuffer_auto_raise; |
154 | ||
38010d50 JB |
155 | #ifdef MAX_PRINT_CHARS |
156 | static int print_chars; | |
157 | static int max_print; | |
158 | #endif /* MAX_PRINT_CHARS */ | |
7651e1f5 RS |
159 | |
160 | void print_interval (); | |
38010d50 JB |
161 | \f |
162 | #if 0 | |
163 | /* Convert between chars and GLYPHs */ | |
164 | ||
165 | int | |
166 | glyphlen (glyphs) | |
167 | register GLYPH *glyphs; | |
168 | { | |
169 | register int i = 0; | |
170 | ||
171 | while (glyphs[i]) | |
172 | i++; | |
173 | return i; | |
174 | } | |
175 | ||
176 | void | |
177 | str_to_glyph_cpy (str, glyphs) | |
178 | char *str; | |
179 | GLYPH *glyphs; | |
180 | { | |
181 | register GLYPH *gp = glyphs; | |
182 | register char *cp = str; | |
183 | ||
184 | while (*cp) | |
185 | *gp++ = *cp++; | |
186 | } | |
187 | ||
188 | void | |
189 | str_to_glyph_ncpy (str, glyphs, n) | |
190 | char *str; | |
191 | GLYPH *glyphs; | |
192 | register int n; | |
193 | { | |
194 | register GLYPH *gp = glyphs; | |
195 | register char *cp = str; | |
196 | ||
197 | while (n-- > 0) | |
198 | *gp++ = *cp++; | |
199 | } | |
200 | ||
201 | void | |
202 | glyph_to_str_cpy (glyphs, str) | |
203 | GLYPH *glyphs; | |
204 | char *str; | |
205 | { | |
206 | register GLYPH *gp = glyphs; | |
207 | register char *cp = str; | |
208 | ||
209 | while (*gp) | |
210 | *str++ = *gp++ & 0377; | |
211 | } | |
212 | #endif | |
213 | \f | |
eb8c3be9 | 214 | /* Low level output routines for characters and strings */ |
38010d50 JB |
215 | |
216 | /* Lisp functions to do output using a stream | |
081e0581 EN |
217 | must have the stream in a variable called printcharfun |
218 | and must start with PRINTPREPARE, end with PRINTFINISH, | |
219 | and use PRINTDECLARE to declare common variables. | |
220 | Use PRINTCHAR to output one character, | |
221 | or call strout to output a block of characters. | |
38010d50 JB |
222 | */ |
223 | ||
081e0581 EN |
224 | #define PRINTDECLARE \ |
225 | struct buffer *old = current_buffer; \ | |
226 | int old_point = -1, start_point; \ | |
6ddd6eee | 227 | int old_point_byte, start_point_byte; \ |
08e8d297 RS |
228 | int specpdl_count = specpdl_ptr - specpdl; \ |
229 | int free_print_buffer = 0; \ | |
081e0581 EN |
230 | Lisp_Object original |
231 | ||
cdaa87fd RS |
232 | #define PRINTPREPARE \ |
233 | original = printcharfun; \ | |
234 | if (NILP (printcharfun)) printcharfun = Qt; \ | |
d4ae1f7e | 235 | if (BUFFERP (printcharfun)) \ |
08e8d297 RS |
236 | { \ |
237 | if (XBUFFER (printcharfun) != current_buffer) \ | |
cdaa87fd | 238 | Fset_buffer (printcharfun); \ |
08e8d297 RS |
239 | printcharfun = Qnil; \ |
240 | } \ | |
d4ae1f7e | 241 | if (MARKERP (printcharfun)) \ |
08e8d297 RS |
242 | { \ |
243 | if (!(XMARKER (original)->buffer)) \ | |
cdaa87fd RS |
244 | error ("Marker does not point anywhere"); \ |
245 | if (XMARKER (original)->buffer != current_buffer) \ | |
246 | set_buffer_internal (XMARKER (original)->buffer); \ | |
6ec8bbd2 | 247 | old_point = PT; \ |
6ddd6eee RS |
248 | old_point_byte = PT_BYTE; \ |
249 | SET_PT_BOTH (marker_position (printcharfun), \ | |
250 | marker_byte_position (printcharfun)); \ | |
6ec8bbd2 | 251 | start_point = PT; \ |
6ddd6eee | 252 | start_point_byte = PT_BYTE; \ |
08e8d297 RS |
253 | printcharfun = Qnil; \ |
254 | } \ | |
6fec5601 RS |
255 | if (NILP (printcharfun)) \ |
256 | { \ | |
dc2a0b79 | 257 | Lisp_Object string; \ |
08e8d297 | 258 | if (print_buffer != 0) \ |
dc2a0b79 RS |
259 | { \ |
260 | string = make_multibyte_string (print_buffer, \ | |
261 | print_buffer_pos, \ | |
262 | print_buffer_pos_byte); \ | |
263 | record_unwind_protect (print_unwind, string); \ | |
264 | } \ | |
08e8d297 RS |
265 | else \ |
266 | { \ | |
267 | print_buffer_size = 1000; \ | |
268 | print_buffer = (char *) xmalloc (print_buffer_size); \ | |
b3da2c73 | 269 | free_print_buffer = 1; \ |
08e8d297 | 270 | } \ |
6fec5601 | 271 | print_buffer_pos = 0; \ |
dc2a0b79 | 272 | print_buffer_pos_byte = 0; \ |
6fec5601 | 273 | } \ |
e0f69431 RS |
274 | if (!CONSP (Vprint_gensym)) \ |
275 | Vprint_gensym_alist = Qnil | |
38010d50 | 276 | |
cdaa87fd | 277 | #define PRINTFINISH \ |
6fec5601 | 278 | if (NILP (printcharfun)) \ |
dc2a0b79 RS |
279 | insert_1_both (print_buffer, print_buffer_pos, \ |
280 | print_buffer_pos_byte, 0, 1, 0); \ | |
08e8d297 | 281 | if (free_print_buffer) \ |
09eddb56 | 282 | { \ |
99351a0d | 283 | xfree (print_buffer); \ |
09eddb56 RS |
284 | print_buffer = 0; \ |
285 | } \ | |
08e8d297 | 286 | unbind_to (specpdl_count, Qnil); \ |
d4ae1f7e | 287 | if (MARKERP (original)) \ |
6ddd6eee | 288 | set_marker_both (original, Qnil, PT, PT_BYTE); \ |
cdaa87fd | 289 | if (old_point >= 0) \ |
6ddd6eee RS |
290 | SET_PT_BOTH (old_point + (old_point >= start_point \ |
291 | ? PT - start_point : 0), \ | |
292 | old_point_byte + (old_point_byte >= start_point_byte \ | |
293 | ? PT_BYTE - start_point_byte : 0)); \ | |
cdaa87fd | 294 | if (old != current_buffer) \ |
081e0581 | 295 | set_buffer_internal (old); \ |
e0f69431 RS |
296 | if (!CONSP (Vprint_gensym)) \ |
297 | Vprint_gensym_alist = Qnil | |
38010d50 JB |
298 | |
299 | #define PRINTCHAR(ch) printchar (ch, printcharfun) | |
300 | ||
09eddb56 RS |
301 | /* Nonzero if there is no room to print any more characters |
302 | so print might as well return right away. */ | |
303 | ||
304 | #define PRINTFULLP() \ | |
305 | (EQ (printcharfun, Qt) && !noninteractive \ | |
306 | && printbufidx >= FRAME_WIDTH (XFRAME (WINDOW_FRAME (XWINDOW (minibuf_window))))) | |
307 | ||
08e8d297 RS |
308 | /* This is used to restore the saved contents of print_buffer |
309 | when there is a recursive call to print. */ | |
310 | static Lisp_Object | |
311 | print_unwind (saved_text) | |
312 | Lisp_Object saved_text; | |
313 | { | |
314 | bcopy (XSTRING (saved_text)->data, print_buffer, XSTRING (saved_text)->size); | |
315 | } | |
316 | ||
09eddb56 | 317 | /* Index of first unused element of FRAME_MESSAGE_BUF (mini_frame). */ |
38010d50 JB |
318 | static int printbufidx; |
319 | ||
320 | static void | |
321 | printchar (ch, fun) | |
087e3c46 | 322 | unsigned int ch; |
38010d50 JB |
323 | Lisp_Object fun; |
324 | { | |
325 | Lisp_Object ch1; | |
326 | ||
327 | #ifdef MAX_PRINT_CHARS | |
328 | if (max_print) | |
329 | print_chars++; | |
330 | #endif /* MAX_PRINT_CHARS */ | |
331 | #ifndef standalone | |
332 | if (EQ (fun, Qnil)) | |
333 | { | |
087e3c46 | 334 | int len; |
dc22f25e | 335 | unsigned char work[4], *str; |
087e3c46 | 336 | |
38010d50 | 337 | QUIT; |
087e3c46 | 338 | len = CHAR_STRING (ch, work, str); |
dc2a0b79 | 339 | if (print_buffer_pos_byte + len >= print_buffer_size) |
6fec5601 RS |
340 | print_buffer = (char *) xrealloc (print_buffer, |
341 | print_buffer_size *= 2); | |
dc2a0b79 RS |
342 | bcopy (str, print_buffer + print_buffer_pos_byte, len); |
343 | print_buffer_pos += 1; | |
344 | print_buffer_pos_byte += len; | |
38010d50 JB |
345 | return; |
346 | } | |
347 | ||
348 | if (EQ (fun, Qt)) | |
349 | { | |
c217b048 | 350 | FRAME_PTR mini_frame |
b8b1b8fd | 351 | = XFRAME (WINDOW_FRAME (XWINDOW (minibuf_window))); |
087e3c46 KH |
352 | unsigned char work[4], *str; |
353 | int len = CHAR_STRING (ch, work, str); | |
b8b1b8fd | 354 | |
09eddb56 RS |
355 | QUIT; |
356 | ||
38010d50 JB |
357 | if (noninteractive) |
358 | { | |
087e3c46 KH |
359 | while (len--) |
360 | putchar (*str), str++; | |
38010d50 JB |
361 | noninteractive_need_newline = 1; |
362 | return; | |
363 | } | |
364 | ||
b8b1b8fd | 365 | if (echo_area_glyphs != FRAME_MESSAGE_BUF (mini_frame) |
38010d50 JB |
366 | || !message_buf_print) |
367 | { | |
aee72e4f | 368 | message_log_maybe_newline (); |
b8b1b8fd | 369 | echo_area_glyphs = FRAME_MESSAGE_BUF (mini_frame); |
38010d50 | 370 | printbufidx = 0; |
708d172a | 371 | echo_area_glyphs_length = 0; |
38010d50 | 372 | message_buf_print = 1; |
aec2b95b RS |
373 | |
374 | if (minibuffer_auto_raise) | |
375 | { | |
376 | Lisp_Object mini_window; | |
377 | ||
378 | /* Get the frame containing the minibuffer | |
379 | that the selected frame is using. */ | |
380 | mini_window = FRAME_MINIBUF_WINDOW (selected_frame); | |
381 | ||
382 | Fraise_frame (WINDOW_FRAME (XWINDOW (mini_window))); | |
383 | } | |
38010d50 JB |
384 | } |
385 | ||
dc2a0b79 | 386 | message_dolog (str, len, 0, len > 1); |
087e3c46 KH |
387 | if (printbufidx < FRAME_MESSAGE_BUF_SIZE (mini_frame) - len) |
388 | bcopy (str, &FRAME_MESSAGE_BUF (mini_frame)[printbufidx], len), | |
389 | printbufidx += len; | |
b8b1b8fd | 390 | FRAME_MESSAGE_BUF (mini_frame)[printbufidx] = 0; |
708d172a | 391 | echo_area_glyphs_length = printbufidx; |
38010d50 JB |
392 | |
393 | return; | |
394 | } | |
395 | #endif /* not standalone */ | |
396 | ||
b5d25c37 | 397 | XSETFASTINT (ch1, ch); |
38010d50 JB |
398 | call1 (fun, ch1); |
399 | } | |
400 | ||
401 | static void | |
dc2a0b79 | 402 | strout (ptr, size, size_byte, printcharfun, multibyte) |
38010d50 | 403 | char *ptr; |
dc2a0b79 | 404 | int size, size_byte; |
38010d50 | 405 | Lisp_Object printcharfun; |
dc2a0b79 | 406 | int multibyte; |
38010d50 JB |
407 | { |
408 | int i = 0; | |
409 | ||
087e3c46 | 410 | if (size < 0) |
dc2a0b79 | 411 | size_byte = size = strlen (ptr); |
087e3c46 | 412 | |
38010d50 JB |
413 | if (EQ (printcharfun, Qnil)) |
414 | { | |
dc2a0b79 | 415 | if (print_buffer_pos_byte + size_byte > print_buffer_size) |
6fec5601 | 416 | { |
dc2a0b79 | 417 | print_buffer_size = print_buffer_size * 2 + size_byte; |
6fec5601 RS |
418 | print_buffer = (char *) xrealloc (print_buffer, |
419 | print_buffer_size); | |
420 | } | |
dc2a0b79 | 421 | bcopy (ptr, print_buffer + print_buffer_pos_byte, size_byte); |
6fec5601 | 422 | print_buffer_pos += size; |
dc2a0b79 | 423 | print_buffer_pos_byte += size_byte; |
6fec5601 | 424 | |
38010d50 JB |
425 | #ifdef MAX_PRINT_CHARS |
426 | if (max_print) | |
6fec5601 | 427 | print_chars += size; |
38010d50 JB |
428 | #endif /* MAX_PRINT_CHARS */ |
429 | return; | |
430 | } | |
431 | if (EQ (printcharfun, Qt)) | |
432 | { | |
c217b048 | 433 | FRAME_PTR mini_frame |
b8b1b8fd RS |
434 | = XFRAME (WINDOW_FRAME (XWINDOW (minibuf_window))); |
435 | ||
09eddb56 RS |
436 | QUIT; |
437 | ||
38010d50 JB |
438 | #ifdef MAX_PRINT_CHARS |
439 | if (max_print) | |
087e3c46 | 440 | print_chars += size; |
38010d50 JB |
441 | #endif /* MAX_PRINT_CHARS */ |
442 | ||
443 | if (noninteractive) | |
444 | { | |
dc2a0b79 | 445 | fwrite (ptr, 1, size_byte, stdout); |
38010d50 JB |
446 | noninteractive_need_newline = 1; |
447 | return; | |
448 | } | |
449 | ||
b8b1b8fd | 450 | if (echo_area_glyphs != FRAME_MESSAGE_BUF (mini_frame) |
38010d50 JB |
451 | || !message_buf_print) |
452 | { | |
aee72e4f | 453 | message_log_maybe_newline (); |
b8b1b8fd | 454 | echo_area_glyphs = FRAME_MESSAGE_BUF (mini_frame); |
38010d50 | 455 | printbufidx = 0; |
708d172a | 456 | echo_area_glyphs_length = 0; |
38010d50 | 457 | message_buf_print = 1; |
aec2b95b RS |
458 | |
459 | if (minibuffer_auto_raise) | |
460 | { | |
461 | Lisp_Object mini_window; | |
462 | ||
463 | /* Get the frame containing the minibuffer | |
464 | that the selected frame is using. */ | |
465 | mini_window = FRAME_MINIBUF_WINDOW (selected_frame); | |
466 | ||
467 | Fraise_frame (WINDOW_FRAME (XWINDOW (mini_window))); | |
468 | } | |
38010d50 JB |
469 | } |
470 | ||
dc2a0b79 RS |
471 | message_dolog (ptr, size_byte, 0, multibyte); |
472 | if (size_byte > FRAME_MESSAGE_BUF_SIZE (mini_frame) - printbufidx - 1) | |
087e3c46 | 473 | { |
dc2a0b79 | 474 | size_byte = FRAME_MESSAGE_BUF_SIZE (mini_frame) - printbufidx - 1; |
087e3c46 | 475 | /* Rewind incomplete multi-byte form. */ |
dc2a0b79 | 476 | while (size_byte && (unsigned char) ptr[size] >= 0xA0) size--; |
087e3c46 | 477 | } |
dc2a0b79 RS |
478 | bcopy (ptr, &FRAME_MESSAGE_BUF (mini_frame) [printbufidx], size_byte); |
479 | printbufidx += size_byte; | |
708d172a | 480 | echo_area_glyphs_length = printbufidx; |
b8b1b8fd | 481 | FRAME_MESSAGE_BUF (mini_frame) [printbufidx] = 0; |
38010d50 JB |
482 | |
483 | return; | |
484 | } | |
485 | ||
087e3c46 | 486 | i = 0; |
dc2a0b79 RS |
487 | if (size == size_byte) |
488 | while (i < size_byte) | |
489 | { | |
490 | int ch = ptr[i++]; | |
087e3c46 | 491 | |
dc2a0b79 RS |
492 | PRINTCHAR (ch); |
493 | } | |
494 | else | |
495 | while (i < size_byte) | |
496 | { | |
497 | /* Here, we must convert each multi-byte form to the | |
498 | corresponding character code before handing it to PRINTCHAR. */ | |
499 | int len; | |
500 | int ch = STRING_CHAR_AND_LENGTH (ptr + i, size_byte - i, len); | |
501 | ||
502 | PRINTCHAR (ch); | |
503 | i += len; | |
504 | } | |
38010d50 JB |
505 | } |
506 | ||
507 | /* Print the contents of a string STRING using PRINTCHARFUN. | |
ed2c35ef RS |
508 | It isn't safe to use strout in many cases, |
509 | because printing one char can relocate. */ | |
38010d50 | 510 | |
dc2a0b79 | 511 | static void |
38010d50 JB |
512 | print_string (string, printcharfun) |
513 | Lisp_Object string; | |
514 | Lisp_Object printcharfun; | |
515 | { | |
6fec5601 RS |
516 | if (EQ (printcharfun, Qt) || NILP (printcharfun)) |
517 | /* strout is safe for output to a frame (echo area) or to print_buffer. */ | |
dc2a0b79 RS |
518 | strout (XSTRING (string)->data, |
519 | XSTRING (string)->size, | |
520 | XSTRING (string)->size_byte, | |
521 | printcharfun, STRING_MULTIBYTE (string)); | |
38010d50 JB |
522 | else |
523 | { | |
dc2a0b79 RS |
524 | /* Otherwise, string may be relocated by printing one char. |
525 | So re-fetch the string address for each character. */ | |
38010d50 JB |
526 | int i; |
527 | int size = XSTRING (string)->size; | |
dc2a0b79 | 528 | int size_byte = XSTRING (string)->size_byte; |
38010d50 JB |
529 | struct gcpro gcpro1; |
530 | GCPRO1 (string); | |
dc2a0b79 RS |
531 | if (size == size_byte) |
532 | for (i = 0; i < size; i++) | |
533 | PRINTCHAR (XSTRING (string)->data[i]); | |
534 | else | |
535 | for (i = 0; i < size_byte; i++) | |
536 | { | |
537 | /* Here, we must convert each multi-byte form to the | |
538 | corresponding character code before handing it to PRINTCHAR. */ | |
539 | int len; | |
540 | int ch = STRING_CHAR_AND_LENGTH (XSTRING (string)->data + i, | |
541 | size_byte - i, len); | |
542 | ||
543 | PRINTCHAR (ch); | |
544 | i += len; | |
545 | } | |
38010d50 JB |
546 | UNGCPRO; |
547 | } | |
548 | } | |
549 | \f | |
550 | DEFUN ("write-char", Fwrite_char, Swrite_char, 1, 2, 0, | |
3738a371 | 551 | "Output character CHARACTER to stream PRINTCHARFUN.\n\ |
57c9eb68 | 552 | PRINTCHARFUN defaults to the value of `standard-output' (which see).") |
3738a371 EN |
553 | (character, printcharfun) |
554 | Lisp_Object character, printcharfun; | |
38010d50 | 555 | { |
081e0581 | 556 | PRINTDECLARE; |
38010d50 | 557 | |
10eebdbb | 558 | if (NILP (printcharfun)) |
38010d50 | 559 | printcharfun = Vstandard_output; |
3738a371 | 560 | CHECK_NUMBER (character, 0); |
38010d50 | 561 | PRINTPREPARE; |
3738a371 | 562 | PRINTCHAR (XINT (character)); |
38010d50 | 563 | PRINTFINISH; |
3738a371 | 564 | return character; |
38010d50 JB |
565 | } |
566 | ||
dc2a0b79 RS |
567 | /* Used from outside of print.c to print a block of SIZE |
568 | single-byte chars at DATA on the default output stream. | |
38010d50 JB |
569 | Do not use this on the contents of a Lisp string. */ |
570 | ||
dc22f25e | 571 | void |
38010d50 JB |
572 | write_string (data, size) |
573 | char *data; | |
574 | int size; | |
575 | { | |
081e0581 | 576 | PRINTDECLARE; |
38010d50 | 577 | Lisp_Object printcharfun; |
38010d50 JB |
578 | |
579 | printcharfun = Vstandard_output; | |
580 | ||
581 | PRINTPREPARE; | |
dc2a0b79 | 582 | strout (data, size, size, printcharfun, 0); |
38010d50 JB |
583 | PRINTFINISH; |
584 | } | |
585 | ||
dc2a0b79 RS |
586 | /* Used from outside of print.c to print a block of SIZE |
587 | single-byte chars at DATA on a specified stream PRINTCHARFUN. | |
38010d50 JB |
588 | Do not use this on the contents of a Lisp string. */ |
589 | ||
dc22f25e | 590 | void |
38010d50 JB |
591 | write_string_1 (data, size, printcharfun) |
592 | char *data; | |
593 | int size; | |
594 | Lisp_Object printcharfun; | |
595 | { | |
081e0581 | 596 | PRINTDECLARE; |
38010d50 JB |
597 | |
598 | PRINTPREPARE; | |
dc2a0b79 | 599 | strout (data, size, size, printcharfun, 0); |
38010d50 JB |
600 | PRINTFINISH; |
601 | } | |
602 | ||
603 | ||
604 | #ifndef standalone | |
605 | ||
606 | void | |
607 | temp_output_buffer_setup (bufname) | |
608 | char *bufname; | |
609 | { | |
610 | register struct buffer *old = current_buffer; | |
611 | register Lisp_Object buf; | |
612 | ||
613 | Fset_buffer (Fget_buffer_create (build_string (bufname))); | |
614 | ||
2a1c968a | 615 | current_buffer->directory = old->directory; |
38010d50 JB |
616 | current_buffer->read_only = Qnil; |
617 | Ferase_buffer (); | |
618 | ||
633307b5 | 619 | XSETBUFFER (buf, current_buffer); |
38010d50 JB |
620 | specbind (Qstandard_output, buf); |
621 | ||
622 | set_buffer_internal (old); | |
623 | } | |
624 | ||
625 | Lisp_Object | |
626 | internal_with_output_to_temp_buffer (bufname, function, args) | |
627 | char *bufname; | |
3d03cf9f | 628 | Lisp_Object (*function) (); |
38010d50 JB |
629 | Lisp_Object args; |
630 | { | |
631 | int count = specpdl_ptr - specpdl; | |
632 | Lisp_Object buf, val; | |
0ab39c81 | 633 | struct gcpro gcpro1; |
38010d50 | 634 | |
0ab39c81 | 635 | GCPRO1 (args); |
38010d50 JB |
636 | record_unwind_protect (Fset_buffer, Fcurrent_buffer ()); |
637 | temp_output_buffer_setup (bufname); | |
638 | buf = Vstandard_output; | |
0ab39c81 | 639 | UNGCPRO; |
38010d50 JB |
640 | |
641 | val = (*function) (args); | |
642 | ||
0ab39c81 | 643 | GCPRO1 (val); |
38010d50 | 644 | temp_output_buffer_show (buf); |
0ab39c81 | 645 | UNGCPRO; |
38010d50 JB |
646 | |
647 | return unbind_to (count, val); | |
648 | } | |
649 | ||
650 | DEFUN ("with-output-to-temp-buffer", Fwith_output_to_temp_buffer, Swith_output_to_temp_buffer, | |
651 | 1, UNEVALLED, 0, | |
652 | "Bind `standard-output' to buffer BUFNAME, eval BODY, then show that buffer.\n\ | |
653 | The buffer is cleared out initially, and marked as unmodified when done.\n\ | |
654 | All output done by BODY is inserted in that buffer by default.\n\ | |
655 | The buffer is displayed in another window, but not selected.\n\ | |
656 | The value of the last form in BODY is returned.\n\ | |
657 | If BODY does not finish normally, the buffer BUFNAME is not displayed.\n\n\ | |
483288d7 | 658 | If variable `temp-buffer-show-function' is non-nil, call it at the end\n\ |
38010d50 JB |
659 | to get the buffer displayed. It gets one argument, the buffer to display.") |
660 | (args) | |
661 | Lisp_Object args; | |
662 | { | |
663 | struct gcpro gcpro1; | |
664 | Lisp_Object name; | |
665 | int count = specpdl_ptr - specpdl; | |
666 | Lisp_Object buf, val; | |
667 | ||
668 | GCPRO1(args); | |
669 | name = Feval (Fcar (args)); | |
670 | UNGCPRO; | |
671 | ||
672 | CHECK_STRING (name, 0); | |
673 | temp_output_buffer_setup (XSTRING (name)->data); | |
674 | buf = Vstandard_output; | |
675 | ||
676 | val = Fprogn (Fcdr (args)); | |
677 | ||
678 | temp_output_buffer_show (buf); | |
679 | ||
680 | return unbind_to (count, val); | |
681 | } | |
682 | #endif /* not standalone */ | |
683 | \f | |
684 | static void print (); | |
685 | ||
686 | DEFUN ("terpri", Fterpri, Sterpri, 0, 1, 0, | |
57c9eb68 KH |
687 | "Output a newline to stream PRINTCHARFUN.\n\ |
688 | If PRINTCHARFUN is omitted or nil, the value of `standard-output' is used.") | |
38010d50 JB |
689 | (printcharfun) |
690 | Lisp_Object printcharfun; | |
691 | { | |
081e0581 | 692 | PRINTDECLARE; |
38010d50 | 693 | |
10eebdbb | 694 | if (NILP (printcharfun)) |
38010d50 JB |
695 | printcharfun = Vstandard_output; |
696 | PRINTPREPARE; | |
697 | PRINTCHAR ('\n'); | |
698 | PRINTFINISH; | |
699 | return Qt; | |
700 | } | |
701 | ||
702 | DEFUN ("prin1", Fprin1, Sprin1, 1, 2, 0, | |
703 | "Output the printed representation of OBJECT, any Lisp object.\n\ | |
704 | Quoting characters are printed when needed to make output that `read'\n\ | |
705 | can handle, whenever this is possible.\n\ | |
57c9eb68 | 706 | Output stream is PRINTCHARFUN, or value of `standard-output' (which see).") |
3738a371 EN |
707 | (object, printcharfun) |
708 | Lisp_Object object, printcharfun; | |
38010d50 | 709 | { |
081e0581 | 710 | PRINTDECLARE; |
38010d50 JB |
711 | |
712 | #ifdef MAX_PRINT_CHARS | |
713 | max_print = 0; | |
714 | #endif /* MAX_PRINT_CHARS */ | |
10eebdbb | 715 | if (NILP (printcharfun)) |
38010d50 JB |
716 | printcharfun = Vstandard_output; |
717 | PRINTPREPARE; | |
718 | print_depth = 0; | |
3738a371 | 719 | print (object, printcharfun, 1); |
38010d50 | 720 | PRINTFINISH; |
3738a371 | 721 | return object; |
38010d50 JB |
722 | } |
723 | ||
724 | /* a buffer which is used to hold output being built by prin1-to-string */ | |
725 | Lisp_Object Vprin1_to_string_buffer; | |
726 | ||
727 | DEFUN ("prin1-to-string", Fprin1_to_string, Sprin1_to_string, 1, 2, 0, | |
728 | "Return a string containing the printed representation of OBJECT,\n\ | |
729 | any Lisp object. Quoting characters are used when needed to make output\n\ | |
730 | that `read' can handle, whenever this is possible, unless the optional\n\ | |
731 | second argument NOESCAPE is non-nil.") | |
3738a371 EN |
732 | (object, noescape) |
733 | Lisp_Object object, noescape; | |
38010d50 | 734 | { |
081e0581 EN |
735 | PRINTDECLARE; |
736 | Lisp_Object printcharfun; | |
2a42e8f6 KH |
737 | struct gcpro gcpro1, gcpro2; |
738 | Lisp_Object tem; | |
739 | ||
740 | /* Save and restore this--we are altering a buffer | |
741 | but we don't want to deactivate the mark just for that. | |
742 | No need for specbind, since errors deactivate the mark. */ | |
743 | tem = Vdeactivate_mark; | |
744 | GCPRO2 (object, tem); | |
38010d50 JB |
745 | |
746 | printcharfun = Vprin1_to_string_buffer; | |
747 | PRINTPREPARE; | |
748 | print_depth = 0; | |
3738a371 | 749 | print (object, printcharfun, NILP (noescape)); |
38010d50 JB |
750 | /* Make Vprin1_to_string_buffer be the default buffer after PRINTFINSH */ |
751 | PRINTFINISH; | |
752 | set_buffer_internal (XBUFFER (Vprin1_to_string_buffer)); | |
3738a371 | 753 | object = Fbuffer_string (); |
38010d50 | 754 | |
38010d50 JB |
755 | Ferase_buffer (); |
756 | set_buffer_internal (old); | |
2a42e8f6 KH |
757 | |
758 | Vdeactivate_mark = tem; | |
38010d50 JB |
759 | UNGCPRO; |
760 | ||
3738a371 | 761 | return object; |
38010d50 JB |
762 | } |
763 | ||
764 | DEFUN ("princ", Fprinc, Sprinc, 1, 2, 0, | |
765 | "Output the printed representation of OBJECT, any Lisp object.\n\ | |
766 | No quoting characters are used; no delimiters are printed around\n\ | |
767 | the contents of strings.\n\ | |
57c9eb68 | 768 | Output stream is PRINTCHARFUN, or value of standard-output (which see).") |
3738a371 EN |
769 | (object, printcharfun) |
770 | Lisp_Object object, printcharfun; | |
38010d50 | 771 | { |
081e0581 | 772 | PRINTDECLARE; |
38010d50 | 773 | |
10eebdbb | 774 | if (NILP (printcharfun)) |
38010d50 JB |
775 | printcharfun = Vstandard_output; |
776 | PRINTPREPARE; | |
777 | print_depth = 0; | |
3738a371 | 778 | print (object, printcharfun, 0); |
38010d50 | 779 | PRINTFINISH; |
3738a371 | 780 | return object; |
38010d50 JB |
781 | } |
782 | ||
783 | DEFUN ("print", Fprint, Sprint, 1, 2, 0, | |
784 | "Output the printed representation of OBJECT, with newlines around it.\n\ | |
785 | Quoting characters are printed when needed to make output that `read'\n\ | |
786 | can handle, whenever this is possible.\n\ | |
57c9eb68 | 787 | Output stream is PRINTCHARFUN, or value of `standard-output' (which see).") |
3738a371 EN |
788 | (object, printcharfun) |
789 | Lisp_Object object, printcharfun; | |
38010d50 | 790 | { |
081e0581 | 791 | PRINTDECLARE; |
38010d50 JB |
792 | struct gcpro gcpro1; |
793 | ||
794 | #ifdef MAX_PRINT_CHARS | |
795 | print_chars = 0; | |
796 | max_print = MAX_PRINT_CHARS; | |
797 | #endif /* MAX_PRINT_CHARS */ | |
10eebdbb | 798 | if (NILP (printcharfun)) |
38010d50 | 799 | printcharfun = Vstandard_output; |
3738a371 | 800 | GCPRO1 (object); |
38010d50 JB |
801 | PRINTPREPARE; |
802 | print_depth = 0; | |
803 | PRINTCHAR ('\n'); | |
3738a371 | 804 | print (object, printcharfun, 1); |
38010d50 JB |
805 | PRINTCHAR ('\n'); |
806 | PRINTFINISH; | |
807 | #ifdef MAX_PRINT_CHARS | |
808 | max_print = 0; | |
809 | print_chars = 0; | |
810 | #endif /* MAX_PRINT_CHARS */ | |
811 | UNGCPRO; | |
3738a371 | 812 | return object; |
38010d50 JB |
813 | } |
814 | ||
815 | /* The subroutine object for external-debugging-output is kept here | |
816 | for the convenience of the debugger. */ | |
817 | Lisp_Object Qexternal_debugging_output; | |
818 | ||
4746118a JB |
819 | DEFUN ("external-debugging-output", Fexternal_debugging_output, Sexternal_debugging_output, 1, 1, 0, |
820 | "Write CHARACTER to stderr.\n\ | |
38010d50 JB |
821 | You can call print while debugging emacs, and pass it this function\n\ |
822 | to make it write to the debugging output.\n") | |
4746118a JB |
823 | (character) |
824 | Lisp_Object character; | |
38010d50 JB |
825 | { |
826 | CHECK_NUMBER (character, 0); | |
827 | putc (XINT (character), stderr); | |
cd22039d RS |
828 | |
829 | #ifdef WINDOWSNT | |
830 | /* Send the output to a debugger (nothing happens if there isn't one). */ | |
831 | { | |
832 | char buf[2] = {(char) XINT (character), '\0'}; | |
833 | OutputDebugString (buf); | |
834 | } | |
835 | #endif | |
836 | ||
38010d50 JB |
837 | return character; |
838 | } | |
cf1bb91b RS |
839 | |
840 | /* This is the interface for debugging printing. */ | |
841 | ||
842 | void | |
843 | debug_print (arg) | |
844 | Lisp_Object arg; | |
845 | { | |
846 | Fprin1 (arg, Qexternal_debugging_output); | |
3684eb78 | 847 | fprintf (stderr, "\r\n"); |
cf1bb91b | 848 | } |
38010d50 | 849 | \f |
113620cc KH |
850 | DEFUN ("error-message-string", Ferror_message_string, Serror_message_string, |
851 | 1, 1, 0, | |
852 | "Convert an error value (ERROR-SYMBOL . DATA) to an error message.") | |
853 | (obj) | |
854 | Lisp_Object obj; | |
855 | { | |
856 | struct buffer *old = current_buffer; | |
857 | Lisp_Object original, printcharfun, value; | |
858 | struct gcpro gcpro1; | |
859 | ||
0872e11f RS |
860 | /* If OBJ is (error STRING), just return STRING. |
861 | That is not only faster, it also avoids the need to allocate | |
862 | space here when the error is due to memory full. */ | |
863 | if (CONSP (obj) && EQ (XCONS (obj)->car, Qerror) | |
864 | && CONSP (XCONS (obj)->cdr) | |
865 | && STRINGP (XCONS (XCONS (obj)->cdr)->car) | |
866 | && NILP (XCONS (XCONS (obj)->cdr)->cdr)) | |
867 | return XCONS (XCONS (obj)->cdr)->car; | |
868 | ||
dc22f25e | 869 | print_error_message (obj, Vprin1_to_string_buffer); |
113620cc KH |
870 | |
871 | set_buffer_internal (XBUFFER (Vprin1_to_string_buffer)); | |
872 | value = Fbuffer_string (); | |
873 | ||
874 | GCPRO1 (value); | |
875 | Ferase_buffer (); | |
876 | set_buffer_internal (old); | |
877 | UNGCPRO; | |
878 | ||
879 | return value; | |
880 | } | |
881 | ||
882 | /* Print an error message for the error DATA | |
883 | onto Lisp output stream STREAM (suitable for the print functions). */ | |
884 | ||
dc22f25e | 885 | void |
113620cc KH |
886 | print_error_message (data, stream) |
887 | Lisp_Object data, stream; | |
888 | { | |
889 | Lisp_Object errname, errmsg, file_error, tail; | |
890 | struct gcpro gcpro1; | |
891 | int i; | |
892 | ||
893 | errname = Fcar (data); | |
894 | ||
895 | if (EQ (errname, Qerror)) | |
896 | { | |
897 | data = Fcdr (data); | |
898 | if (!CONSP (data)) data = Qnil; | |
899 | errmsg = Fcar (data); | |
900 | file_error = Qnil; | |
901 | } | |
902 | else | |
903 | { | |
904 | errmsg = Fget (errname, Qerror_message); | |
905 | file_error = Fmemq (Qfile_error, | |
906 | Fget (errname, Qerror_conditions)); | |
907 | } | |
908 | ||
909 | /* Print an error message including the data items. */ | |
910 | ||
911 | tail = Fcdr_safe (data); | |
912 | GCPRO1 (tail); | |
913 | ||
914 | /* For file-error, make error message by concatenating | |
915 | all the data items. They are all strings. */ | |
916 | if (!NILP (file_error) && !NILP (tail)) | |
917 | errmsg = XCONS (tail)->car, tail = XCONS (tail)->cdr; | |
918 | ||
919 | if (STRINGP (errmsg)) | |
920 | Fprinc (errmsg, stream); | |
921 | else | |
922 | write_string_1 ("peculiar error", -1, stream); | |
923 | ||
924 | for (i = 0; CONSP (tail); tail = Fcdr (tail), i++) | |
925 | { | |
926 | write_string_1 (i ? ", " : ": ", 2, stream); | |
927 | if (!NILP (file_error)) | |
928 | Fprinc (Fcar (tail), stream); | |
929 | else | |
930 | Fprin1 (Fcar (tail), stream); | |
931 | } | |
932 | UNGCPRO; | |
933 | } | |
934 | \f | |
38010d50 JB |
935 | #ifdef LISP_FLOAT_TYPE |
936 | ||
38010d50 | 937 | /* |
edb2a707 | 938 | * The buffer should be at least as large as the max string size of the |
8e6208c5 | 939 | * largest float, printed in the biggest notation. This is undoubtedly |
38010d50 JB |
940 | * 20d float_output_format, with the negative of the C-constant "HUGE" |
941 | * from <math.h>. | |
942 | * | |
943 | * On the vax the worst case is -1e38 in 20d format which takes 61 bytes. | |
944 | * | |
945 | * I assume that IEEE-754 format numbers can take 329 bytes for the worst | |
946 | * case of -1e307 in 20d float_output_format. What is one to do (short of | |
947 | * re-writing _doprnt to be more sane)? | |
948 | * -wsr | |
949 | */ | |
edb2a707 RS |
950 | |
951 | void | |
952 | float_to_string (buf, data) | |
8b24d146 | 953 | unsigned char *buf; |
38010d50 JB |
954 | double data; |
955 | { | |
c7b14277 | 956 | unsigned char *cp; |
322890c4 | 957 | int width; |
38010d50 | 958 | |
10eebdbb | 959 | if (NILP (Vfloat_output_format) |
d4ae1f7e | 960 | || !STRINGP (Vfloat_output_format)) |
38010d50 | 961 | lose: |
322890c4 | 962 | { |
f356c3fb PE |
963 | /* Generate the fewest number of digits that represent the |
964 | floating point value without losing information. | |
965 | The following method is simple but a bit slow. | |
966 | For ideas about speeding things up, please see: | |
967 | ||
968 | Guy L Steele Jr & Jon L White, How to print floating-point numbers | |
969 | accurately. SIGPLAN notices 25, 6 (June 1990), 112-126. | |
970 | ||
971 | Robert G Burger & R Kent Dybvig, Printing floating point numbers | |
972 | quickly and accurately, SIGPLAN notices 31, 5 (May 1996), 108-116. */ | |
973 | ||
974 | width = fabs (data) < DBL_MIN ? 1 : DBL_DIG; | |
975 | do | |
976 | sprintf (buf, "%.*g", width, data); | |
977 | while (width++ < DOUBLE_DIGITS_BOUND && atof (buf) != data); | |
322890c4 | 978 | } |
38010d50 JB |
979 | else /* oink oink */ |
980 | { | |
981 | /* Check that the spec we have is fully valid. | |
982 | This means not only valid for printf, | |
983 | but meant for floats, and reasonable. */ | |
984 | cp = XSTRING (Vfloat_output_format)->data; | |
985 | ||
986 | if (cp[0] != '%') | |
987 | goto lose; | |
988 | if (cp[1] != '.') | |
989 | goto lose; | |
990 | ||
991 | cp += 2; | |
c7b14277 JB |
992 | |
993 | /* Check the width specification. */ | |
322890c4 | 994 | width = -1; |
c7b14277 | 995 | if ('0' <= *cp && *cp <= '9') |
381cd4bb KH |
996 | { |
997 | width = 0; | |
998 | do | |
999 | width = (width * 10) + (*cp++ - '0'); | |
1000 | while (*cp >= '0' && *cp <= '9'); | |
1001 | ||
1002 | /* A precision of zero is valid only for %f. */ | |
1003 | if (width > DBL_DIG | |
1004 | || (width == 0 && *cp != 'f')) | |
1005 | goto lose; | |
1006 | } | |
38010d50 JB |
1007 | |
1008 | if (*cp != 'e' && *cp != 'f' && *cp != 'g') | |
1009 | goto lose; | |
1010 | ||
38010d50 JB |
1011 | if (cp[1] != 0) |
1012 | goto lose; | |
1013 | ||
1014 | sprintf (buf, XSTRING (Vfloat_output_format)->data, data); | |
1015 | } | |
edb2a707 | 1016 | |
c7b14277 JB |
1017 | /* Make sure there is a decimal point with digit after, or an |
1018 | exponent, so that the value is readable as a float. But don't do | |
322890c4 RS |
1019 | this with "%.0f"; it's valid for that not to produce a decimal |
1020 | point. Note that width can be 0 only for %.0f. */ | |
1021 | if (width != 0) | |
0601fd3d | 1022 | { |
c7b14277 JB |
1023 | for (cp = buf; *cp; cp++) |
1024 | if ((*cp < '0' || *cp > '9') && *cp != '-') | |
1025 | break; | |
0601fd3d | 1026 | |
c7b14277 JB |
1027 | if (*cp == '.' && cp[1] == 0) |
1028 | { | |
1029 | cp[1] = '0'; | |
1030 | cp[2] = 0; | |
1031 | } | |
1032 | ||
1033 | if (*cp == 0) | |
1034 | { | |
1035 | *cp++ = '.'; | |
1036 | *cp++ = '0'; | |
1037 | *cp++ = 0; | |
1038 | } | |
edb2a707 | 1039 | } |
38010d50 JB |
1040 | } |
1041 | #endif /* LISP_FLOAT_TYPE */ | |
1042 | \f | |
1043 | static void | |
1044 | print (obj, printcharfun, escapeflag) | |
38010d50 | 1045 | Lisp_Object obj; |
38010d50 JB |
1046 | register Lisp_Object printcharfun; |
1047 | int escapeflag; | |
1048 | { | |
1049 | char buf[30]; | |
1050 | ||
1051 | QUIT; | |
1052 | ||
ec838c39 RS |
1053 | #if 1 /* I'm not sure this is really worth doing. */ |
1054 | /* Detect circularities and truncate them. | |
1055 | No need to offer any alternative--this is better than an error. */ | |
d4ae1f7e | 1056 | if (CONSP (obj) || VECTORP (obj) || COMPILEDP (obj)) |
ec838c39 RS |
1057 | { |
1058 | int i; | |
1059 | for (i = 0; i < print_depth; i++) | |
1060 | if (EQ (obj, being_printed[i])) | |
1061 | { | |
1062 | sprintf (buf, "#%d", i); | |
dc2a0b79 | 1063 | strout (buf, -1, -1, printcharfun, 0); |
ec838c39 RS |
1064 | return; |
1065 | } | |
1066 | } | |
1067 | #endif | |
1068 | ||
1069 | being_printed[print_depth] = obj; | |
38010d50 JB |
1070 | print_depth++; |
1071 | ||
ec838c39 | 1072 | if (print_depth > PRINT_CIRCLE) |
38010d50 JB |
1073 | error ("Apparently circular structure being printed"); |
1074 | #ifdef MAX_PRINT_CHARS | |
1075 | if (max_print && print_chars > max_print) | |
1076 | { | |
1077 | PRINTCHAR ('\n'); | |
1078 | print_chars = 0; | |
1079 | } | |
1080 | #endif /* MAX_PRINT_CHARS */ | |
1081 | ||
ca0569ad | 1082 | switch (XGCTYPE (obj)) |
38010d50 | 1083 | { |
ca0569ad | 1084 | case Lisp_Int: |
b8180922 RS |
1085 | if (sizeof (int) == sizeof (EMACS_INT)) |
1086 | sprintf (buf, "%d", XINT (obj)); | |
1087 | else if (sizeof (long) == sizeof (EMACS_INT)) | |
1088 | sprintf (buf, "%ld", XINT (obj)); | |
1089 | else | |
1090 | abort (); | |
dc2a0b79 | 1091 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1092 | break; |
1093 | ||
e0f93814 | 1094 | #ifdef LISP_FLOAT_TYPE |
ca0569ad RS |
1095 | case Lisp_Float: |
1096 | { | |
1097 | char pigbuf[350]; /* see comments in float_to_string */ | |
38010d50 | 1098 | |
ca0569ad | 1099 | float_to_string (pigbuf, XFLOAT(obj)->data); |
dc2a0b79 | 1100 | strout (pigbuf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1101 | } |
1102 | break; | |
e0f93814 | 1103 | #endif |
ca0569ad RS |
1104 | |
1105 | case Lisp_String: | |
38010d50 JB |
1106 | if (!escapeflag) |
1107 | print_string (obj, printcharfun); | |
1108 | else | |
1109 | { | |
dc2a0b79 | 1110 | register int i, i_byte; |
38010d50 | 1111 | register unsigned char c; |
38010d50 | 1112 | struct gcpro gcpro1; |
dc2a0b79 | 1113 | int size_byte; |
38010d50 | 1114 | |
7651e1f5 RS |
1115 | GCPRO1 (obj); |
1116 | ||
1117 | #ifdef USE_TEXT_PROPERTIES | |
1118 | if (!NULL_INTERVAL_P (XSTRING (obj)->intervals)) | |
1119 | { | |
1120 | PRINTCHAR ('#'); | |
1121 | PRINTCHAR ('('); | |
1122 | } | |
1123 | #endif | |
38010d50 JB |
1124 | |
1125 | PRINTCHAR ('\"'); | |
dc2a0b79 RS |
1126 | size_byte = XSTRING (obj)->size_byte; |
1127 | ||
1128 | for (i = 0, i_byte = 0; i_byte < size_byte;) | |
38010d50 | 1129 | { |
6ddd6eee RS |
1130 | /* Here, we must convert each multi-byte form to the |
1131 | corresponding character code before handing it to PRINTCHAR. */ | |
1132 | int len; | |
dc2a0b79 RS |
1133 | int c; |
1134 | ||
1135 | if (STRING_MULTIBYTE (obj)) | |
1136 | FETCH_STRING_CHAR_ADVANCE (c, obj, i, i_byte); | |
1137 | else | |
1138 | c = XSTRING (obj)->data[i_byte++]; | |
1139 | ||
38010d50 | 1140 | QUIT; |
6ddd6eee | 1141 | |
38010d50 JB |
1142 | if (c == '\n' && print_escape_newlines) |
1143 | { | |
1144 | PRINTCHAR ('\\'); | |
1145 | PRINTCHAR ('n'); | |
1146 | } | |
c6f7982f RM |
1147 | else if (c == '\f' && print_escape_newlines) |
1148 | { | |
1149 | PRINTCHAR ('\\'); | |
1150 | PRINTCHAR ('f'); | |
1151 | } | |
974a6ff5 KH |
1152 | else if ((! SINGLE_BYTE_CHAR_P (c) |
1153 | && NILP (current_buffer->enable_multibyte_characters))) | |
dc2a0b79 RS |
1154 | { |
1155 | /* When multibyte is disabled, | |
1156 | print multibyte string chars using hex escapes. */ | |
1157 | unsigned char outbuf[50]; | |
1158 | sprintf (outbuf, "\\x%x", c); | |
1159 | strout (outbuf, -1, -1, printcharfun, 0); | |
1160 | } | |
974a6ff5 KH |
1161 | else if (SINGLE_BYTE_CHAR_P (c) |
1162 | && ! ASCII_BYTE_P (c) | |
1163 | && ! NILP (current_buffer->enable_multibyte_characters)) | |
1164 | { | |
1165 | /* When multibyte is enabled, | |
1166 | print single-byte non-ASCII string chars | |
1167 | using octal escapes. */ | |
1168 | unsigned char outbuf[5]; | |
1169 | sprintf (outbuf, "\\%03o", c); | |
1170 | strout (outbuf, -1, -1, printcharfun, 0); | |
1171 | } | |
38010d50 JB |
1172 | else |
1173 | { | |
1174 | if (c == '\"' || c == '\\') | |
1175 | PRINTCHAR ('\\'); | |
1176 | PRINTCHAR (c); | |
1177 | } | |
1178 | } | |
1179 | PRINTCHAR ('\"'); | |
7651e1f5 RS |
1180 | |
1181 | #ifdef USE_TEXT_PROPERTIES | |
1182 | if (!NULL_INTERVAL_P (XSTRING (obj)->intervals)) | |
1183 | { | |
7651e1f5 RS |
1184 | traverse_intervals (XSTRING (obj)->intervals, |
1185 | 0, 0, print_interval, printcharfun); | |
1186 | PRINTCHAR (')'); | |
1187 | } | |
1188 | #endif | |
1189 | ||
38010d50 JB |
1190 | UNGCPRO; |
1191 | } | |
ca0569ad | 1192 | break; |
38010d50 | 1193 | |
ca0569ad RS |
1194 | case Lisp_Symbol: |
1195 | { | |
1196 | register int confusing; | |
1197 | register unsigned char *p = XSYMBOL (obj)->name->data; | |
dc2a0b79 | 1198 | register unsigned char *end = p + XSYMBOL (obj)->name->size_byte; |
ca0569ad | 1199 | register unsigned char c; |
dc2a0b79 RS |
1200 | int i, i_byte, size_byte; |
1201 | Lisp_Object name; | |
1202 | ||
1203 | XSETSTRING (name, XSYMBOL (obj)->name); | |
ca0569ad RS |
1204 | |
1205 | if (p != end && (*p == '-' || *p == '+')) p++; | |
1206 | if (p == end) | |
1207 | confusing = 0; | |
d27497e3 RS |
1208 | /* If symbol name begins with a digit, and ends with a digit, |
1209 | and contains nothing but digits and `e', it could be treated | |
1210 | as a number. So set CONFUSING. | |
1211 | ||
1212 | Symbols that contain periods could also be taken as numbers, | |
1213 | but periods are always escaped, so we don't have to worry | |
1214 | about them here. */ | |
1215 | else if (*p >= '0' && *p <= '9' | |
1216 | && end[-1] >= '0' && end[-1] <= '9') | |
ca0569ad | 1217 | { |
e837058b RS |
1218 | while (p != end && ((*p >= '0' && *p <= '9') |
1219 | /* Needed for \2e10. */ | |
1220 | || *p == 'e')) | |
ca0569ad RS |
1221 | p++; |
1222 | confusing = (end == p); | |
1223 | } | |
d27497e3 RS |
1224 | else |
1225 | confusing = 0; | |
ca0569ad | 1226 | |
081e0581 EN |
1227 | /* If we print an uninterned symbol as part of a complex object and |
1228 | the flag print-gensym is non-nil, prefix it with #n= to read the | |
1229 | object back with the #n# reader syntax later if needed. */ | |
e0f69431 | 1230 | if (! NILP (Vprint_gensym) && NILP (XSYMBOL (obj)->obarray)) |
081e0581 EN |
1231 | { |
1232 | if (print_depth > 1) | |
1233 | { | |
1234 | Lisp_Object tem; | |
e0f69431 | 1235 | tem = Fassq (obj, Vprint_gensym_alist); |
081e0581 EN |
1236 | if (CONSP (tem)) |
1237 | { | |
1238 | PRINTCHAR ('#'); | |
1239 | print (XCDR (tem), printcharfun, escapeflag); | |
1240 | PRINTCHAR ('#'); | |
1241 | break; | |
1242 | } | |
1243 | else | |
1244 | { | |
e0f69431 RS |
1245 | if (CONSP (Vprint_gensym_alist)) |
1246 | XSETFASTINT (tem, XFASTINT (XCDR (XCAR (Vprint_gensym_alist))) + 1); | |
081e0581 EN |
1247 | else |
1248 | XSETFASTINT (tem, 1); | |
e0f69431 | 1249 | Vprint_gensym_alist = Fcons (Fcons (obj, tem), Vprint_gensym_alist); |
081e0581 EN |
1250 | |
1251 | PRINTCHAR ('#'); | |
1252 | print (tem, printcharfun, escapeflag); | |
1253 | PRINTCHAR ('='); | |
1254 | } | |
1255 | } | |
1256 | PRINTCHAR ('#'); | |
1257 | PRINTCHAR (':'); | |
1258 | } | |
1259 | ||
dc2a0b79 RS |
1260 | size_byte = XSTRING (name)->size_byte; |
1261 | ||
1262 | for (i = 0, i_byte = 0; i_byte < size_byte;) | |
ca0569ad | 1263 | { |
6ddd6eee RS |
1264 | /* Here, we must convert each multi-byte form to the |
1265 | corresponding character code before handing it to PRINTCHAR. */ | |
dc2a0b79 RS |
1266 | |
1267 | if (STRING_MULTIBYTE (name)) | |
1268 | FETCH_STRING_CHAR_ADVANCE (c, name, i, i_byte); | |
1269 | else | |
1270 | c = XSTRING (name)->data[i_byte++]; | |
1271 | ||
ca0569ad | 1272 | QUIT; |
09eddb56 | 1273 | |
ca0569ad RS |
1274 | if (escapeflag) |
1275 | { | |
09eddb56 RS |
1276 | if (c == '\"' || c == '\\' || c == '\'' |
1277 | || c == ';' || c == '#' || c == '(' || c == ')' | |
1278 | || c == ',' || c =='.' || c == '`' | |
1279 | || c == '[' || c == ']' || c == '?' || c <= 040 | |
1280 | || confusing) | |
ca0569ad RS |
1281 | PRINTCHAR ('\\'), confusing = 0; |
1282 | } | |
1283 | PRINTCHAR (c); | |
1284 | } | |
1285 | } | |
1286 | break; | |
1287 | ||
1288 | case Lisp_Cons: | |
38010d50 | 1289 | /* If deeper than spec'd depth, print placeholder. */ |
d4ae1f7e | 1290 | if (INTEGERP (Vprint_level) |
38010d50 | 1291 | && print_depth > XINT (Vprint_level)) |
dc2a0b79 | 1292 | strout ("...", -1, -1, printcharfun, 0); |
2f100b5c EN |
1293 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) |
1294 | && (EQ (XCAR (obj), Qquote))) | |
1295 | { | |
1296 | PRINTCHAR ('\''); | |
1297 | print (XCAR (XCDR (obj)), printcharfun, escapeflag); | |
1298 | } | |
1299 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) | |
1300 | && (EQ (XCAR (obj), Qfunction))) | |
1301 | { | |
1302 | PRINTCHAR ('#'); | |
1303 | PRINTCHAR ('\''); | |
1304 | print (XCAR (XCDR (obj)), printcharfun, escapeflag); | |
1305 | } | |
1306 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) | |
1307 | && ((EQ (XCAR (obj), Qbackquote) | |
1308 | || EQ (XCAR (obj), Qcomma) | |
1309 | || EQ (XCAR (obj), Qcomma_at) | |
1310 | || EQ (XCAR (obj), Qcomma_dot)))) | |
1311 | { | |
1312 | print (XCAR (obj), printcharfun, 0); | |
1313 | print (XCAR (XCDR (obj)), printcharfun, escapeflag); | |
1314 | } | |
e0f93814 | 1315 | else |
38010d50 | 1316 | { |
e0f93814 | 1317 | PRINTCHAR ('('); |
38010d50 | 1318 | { |
e0f93814 KH |
1319 | register int i = 0; |
1320 | register int max = 0; | |
1321 | ||
1322 | if (INTEGERP (Vprint_length)) | |
1323 | max = XINT (Vprint_length); | |
1324 | /* Could recognize circularities in cdrs here, | |
1325 | but that would make printing of long lists quadratic. | |
1326 | It's not worth doing. */ | |
1327 | while (CONSP (obj)) | |
38010d50 | 1328 | { |
e0f93814 KH |
1329 | if (i++) |
1330 | PRINTCHAR (' '); | |
1331 | if (max && i > max) | |
1332 | { | |
dc2a0b79 | 1333 | strout ("...", 3, 3, printcharfun, 0); |
e0f93814 KH |
1334 | break; |
1335 | } | |
2f100b5c EN |
1336 | print (XCAR (obj), printcharfun, escapeflag); |
1337 | obj = XCDR (obj); | |
38010d50 | 1338 | } |
38010d50 | 1339 | } |
2f100b5c | 1340 | if (!NILP (obj)) |
e0f93814 | 1341 | { |
dc2a0b79 | 1342 | strout (" . ", 3, 3, printcharfun, 0); |
e0f93814 KH |
1343 | print (obj, printcharfun, escapeflag); |
1344 | } | |
1345 | PRINTCHAR (')'); | |
38010d50 | 1346 | } |
ca0569ad RS |
1347 | break; |
1348 | ||
1349 | case Lisp_Vectorlike: | |
1350 | if (PROCESSP (obj)) | |
1351 | { | |
1352 | if (escapeflag) | |
1353 | { | |
dc2a0b79 | 1354 | strout ("#<process ", -1, -1, printcharfun, 0); |
ca0569ad RS |
1355 | print_string (XPROCESS (obj)->name, printcharfun); |
1356 | PRINTCHAR ('>'); | |
1357 | } | |
1358 | else | |
1359 | print_string (XPROCESS (obj)->name, printcharfun); | |
1360 | } | |
ed2c35ef RS |
1361 | else if (BOOL_VECTOR_P (obj)) |
1362 | { | |
1363 | register int i; | |
1364 | register unsigned char c; | |
1365 | struct gcpro gcpro1; | |
ed2c35ef | 1366 | int size_in_chars |
1bad7c59 | 1367 | = (XBOOL_VECTOR (obj)->size + BITS_PER_CHAR - 1) / BITS_PER_CHAR; |
ed2c35ef RS |
1368 | |
1369 | GCPRO1 (obj); | |
1370 | ||
1371 | PRINTCHAR ('#'); | |
1372 | PRINTCHAR ('&'); | |
1373 | sprintf (buf, "%d", XBOOL_VECTOR (obj)->size); | |
dc2a0b79 | 1374 | strout (buf, -1, -1, printcharfun, 0); |
ed2c35ef | 1375 | PRINTCHAR ('\"'); |
a40384bc RS |
1376 | |
1377 | /* Don't print more characters than the specified maximum. */ | |
1378 | if (INTEGERP (Vprint_length) | |
1379 | && XINT (Vprint_length) < size_in_chars) | |
1380 | size_in_chars = XINT (Vprint_length); | |
1381 | ||
ed2c35ef RS |
1382 | for (i = 0; i < size_in_chars; i++) |
1383 | { | |
1384 | QUIT; | |
1385 | c = XBOOL_VECTOR (obj)->data[i]; | |
1386 | if (c == '\n' && print_escape_newlines) | |
1387 | { | |
1388 | PRINTCHAR ('\\'); | |
1389 | PRINTCHAR ('n'); | |
1390 | } | |
1391 | else if (c == '\f' && print_escape_newlines) | |
1392 | { | |
1393 | PRINTCHAR ('\\'); | |
1394 | PRINTCHAR ('f'); | |
1395 | } | |
1396 | else | |
1397 | { | |
1398 | if (c == '\"' || c == '\\') | |
1399 | PRINTCHAR ('\\'); | |
1400 | PRINTCHAR (c); | |
1401 | } | |
1402 | } | |
1403 | PRINTCHAR ('\"'); | |
1404 | ||
1405 | UNGCPRO; | |
1406 | } | |
ca0569ad RS |
1407 | else if (SUBRP (obj)) |
1408 | { | |
dc2a0b79 RS |
1409 | strout ("#<subr ", -1, -1, printcharfun, 0); |
1410 | strout (XSUBR (obj)->symbol_name, -1, -1, printcharfun, 0); | |
ca0569ad RS |
1411 | PRINTCHAR ('>'); |
1412 | } | |
1413 | #ifndef standalone | |
1414 | else if (WINDOWP (obj)) | |
1415 | { | |
dc2a0b79 | 1416 | strout ("#<window ", -1, -1, printcharfun, 0); |
ca0569ad | 1417 | sprintf (buf, "%d", XFASTINT (XWINDOW (obj)->sequence_number)); |
dc2a0b79 | 1418 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1419 | if (!NILP (XWINDOW (obj)->buffer)) |
1420 | { | |
dc2a0b79 | 1421 | strout (" on ", -1, -1, printcharfun, 0); |
ca0569ad RS |
1422 | print_string (XBUFFER (XWINDOW (obj)->buffer)->name, printcharfun); |
1423 | } | |
1424 | PRINTCHAR ('>'); | |
1425 | } | |
908b0ae5 RS |
1426 | else if (BUFFERP (obj)) |
1427 | { | |
1428 | if (NILP (XBUFFER (obj)->name)) | |
dc2a0b79 | 1429 | strout ("#<killed buffer>", -1, -1, printcharfun, 0); |
908b0ae5 RS |
1430 | else if (escapeflag) |
1431 | { | |
dc2a0b79 | 1432 | strout ("#<buffer ", -1, -1, printcharfun, 0); |
908b0ae5 RS |
1433 | print_string (XBUFFER (obj)->name, printcharfun); |
1434 | PRINTCHAR ('>'); | |
1435 | } | |
1436 | else | |
1437 | print_string (XBUFFER (obj)->name, printcharfun); | |
1438 | } | |
ca0569ad RS |
1439 | else if (WINDOW_CONFIGURATIONP (obj)) |
1440 | { | |
dc2a0b79 | 1441 | strout ("#<window-configuration>", -1, -1, printcharfun, 0); |
ca0569ad | 1442 | } |
ca0569ad RS |
1443 | else if (FRAMEP (obj)) |
1444 | { | |
1445 | strout ((FRAME_LIVE_P (XFRAME (obj)) | |
1446 | ? "#<frame " : "#<dead frame "), | |
dc2a0b79 | 1447 | -1, -1, printcharfun, 0); |
ca0569ad | 1448 | print_string (XFRAME (obj)->name, printcharfun); |
dc2a0b79 RS |
1449 | sprintf (buf, " 0x%lx\\ ", (unsigned long) (XFRAME (obj))); |
1450 | strout (buf, -1, -1, printcharfun, 0); | |
ca0569ad RS |
1451 | PRINTCHAR ('>'); |
1452 | } | |
ca0569ad RS |
1453 | #endif /* not standalone */ |
1454 | else | |
1455 | { | |
1456 | int size = XVECTOR (obj)->size; | |
1457 | if (COMPILEDP (obj)) | |
1458 | { | |
1459 | PRINTCHAR ('#'); | |
1460 | size &= PSEUDOVECTOR_SIZE_MASK; | |
1461 | } | |
ed2c35ef RS |
1462 | if (CHAR_TABLE_P (obj)) |
1463 | { | |
1464 | /* We print a char-table as if it were a vector, | |
1465 | lumping the parent and default slots in with the | |
1466 | character slots. But we add #^ as a prefix. */ | |
1467 | PRINTCHAR ('#'); | |
1468 | PRINTCHAR ('^'); | |
3701b5de KH |
1469 | if (SUB_CHAR_TABLE_P (obj)) |
1470 | PRINTCHAR ('^'); | |
ed2c35ef RS |
1471 | size &= PSEUDOVECTOR_SIZE_MASK; |
1472 | } | |
00d76abc KH |
1473 | if (size & PSEUDOVECTOR_FLAG) |
1474 | goto badtype; | |
ca0569ad RS |
1475 | |
1476 | PRINTCHAR ('['); | |
38010d50 | 1477 | { |
ca0569ad RS |
1478 | register int i; |
1479 | register Lisp_Object tem; | |
a40384bc RS |
1480 | |
1481 | /* Don't print more elements than the specified maximum. */ | |
1482 | if (INTEGERP (Vprint_length) | |
1483 | && XINT (Vprint_length) < size) | |
1484 | size = XINT (Vprint_length); | |
1485 | ||
ca0569ad RS |
1486 | for (i = 0; i < size; i++) |
1487 | { | |
1488 | if (i) PRINTCHAR (' '); | |
1489 | tem = XVECTOR (obj)->contents[i]; | |
1490 | print (tem, printcharfun, escapeflag); | |
1491 | } | |
38010d50 | 1492 | } |
ca0569ad RS |
1493 | PRINTCHAR (']'); |
1494 | } | |
1495 | break; | |
1496 | ||
38010d50 | 1497 | #ifndef standalone |
ca0569ad | 1498 | case Lisp_Misc: |
5db20f08 | 1499 | switch (XMISCTYPE (obj)) |
38010d50 | 1500 | { |
00d76abc | 1501 | case Lisp_Misc_Marker: |
dc2a0b79 | 1502 | strout ("#<marker ", -1, -1, printcharfun, 0); |
087e3c46 KH |
1503 | /* Do you think this is necessary? */ |
1504 | if (XMARKER (obj)->insertion_type != 0) | |
dc2a0b79 | 1505 | strout ("(before-insertion) ", -1, -1, printcharfun, 0); |
ca0569ad | 1506 | if (!(XMARKER (obj)->buffer)) |
dc2a0b79 | 1507 | strout ("in no buffer", -1, -1, printcharfun, 0); |
ca0569ad RS |
1508 | else |
1509 | { | |
1510 | sprintf (buf, "at %d", marker_position (obj)); | |
dc2a0b79 RS |
1511 | strout (buf, -1, -1, printcharfun, 0); |
1512 | strout (" in ", -1, -1, printcharfun, 0); | |
ca0569ad RS |
1513 | print_string (XMARKER (obj)->buffer->name, printcharfun); |
1514 | } | |
38010d50 | 1515 | PRINTCHAR ('>'); |
908b0ae5 | 1516 | break; |
00d76abc KH |
1517 | |
1518 | case Lisp_Misc_Overlay: | |
dc2a0b79 | 1519 | strout ("#<overlay ", -1, -1, printcharfun, 0); |
ca0569ad | 1520 | if (!(XMARKER (OVERLAY_START (obj))->buffer)) |
dc2a0b79 | 1521 | strout ("in no buffer", -1, -1, printcharfun, 0); |
ca0569ad RS |
1522 | else |
1523 | { | |
1524 | sprintf (buf, "from %d to %d in ", | |
1525 | marker_position (OVERLAY_START (obj)), | |
1526 | marker_position (OVERLAY_END (obj))); | |
dc2a0b79 | 1527 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1528 | print_string (XMARKER (OVERLAY_START (obj))->buffer->name, |
1529 | printcharfun); | |
1530 | } | |
1531 | PRINTCHAR ('>'); | |
908b0ae5 | 1532 | break; |
00d76abc KH |
1533 | |
1534 | /* Remaining cases shouldn't happen in normal usage, but let's print | |
1535 | them anyway for the benefit of the debugger. */ | |
1536 | case Lisp_Misc_Free: | |
dc2a0b79 | 1537 | strout ("#<misc free cell>", -1, -1, printcharfun, 0); |
00d76abc KH |
1538 | break; |
1539 | ||
1540 | case Lisp_Misc_Intfwd: | |
1541 | sprintf (buf, "#<intfwd to %d>", *XINTFWD (obj)->intvar); | |
dc2a0b79 | 1542 | strout (buf, -1, -1, printcharfun, 0); |
00d76abc KH |
1543 | break; |
1544 | ||
1545 | case Lisp_Misc_Boolfwd: | |
1546 | sprintf (buf, "#<boolfwd to %s>", | |
1547 | (*XBOOLFWD (obj)->boolvar ? "t" : "nil")); | |
dc2a0b79 | 1548 | strout (buf, -1, -1, printcharfun, 0); |
00d76abc KH |
1549 | break; |
1550 | ||
1551 | case Lisp_Misc_Objfwd: | |
dc2a0b79 | 1552 | strout ("#<objfwd to ", -1, -1, printcharfun, 0); |
00d76abc KH |
1553 | print (*XOBJFWD (obj)->objvar, printcharfun, escapeflag); |
1554 | PRINTCHAR ('>'); | |
1555 | break; | |
1556 | ||
1557 | case Lisp_Misc_Buffer_Objfwd: | |
dc2a0b79 | 1558 | strout ("#<buffer_objfwd to ", -1, -1, printcharfun, 0); |
3ac613c1 KH |
1559 | print (*(Lisp_Object *)((char *)current_buffer |
1560 | + XBUFFER_OBJFWD (obj)->offset), | |
1561 | printcharfun, escapeflag); | |
1562 | PRINTCHAR ('>'); | |
1563 | break; | |
1564 | ||
fb917148 | 1565 | case Lisp_Misc_Kboard_Objfwd: |
dc2a0b79 | 1566 | strout ("#<kboard_objfwd to ", -1, -1, printcharfun, 0); |
fb917148 KH |
1567 | print (*(Lisp_Object *)((char *) current_kboard |
1568 | + XKBOARD_OBJFWD (obj)->offset), | |
7ae137a9 | 1569 | printcharfun, escapeflag); |
00d76abc KH |
1570 | PRINTCHAR ('>'); |
1571 | break; | |
1572 | ||
1573 | case Lisp_Misc_Buffer_Local_Value: | |
dc2a0b79 | 1574 | strout ("#<buffer_local_value ", -1, -1, printcharfun, 0); |
00d76abc KH |
1575 | goto do_buffer_local; |
1576 | case Lisp_Misc_Some_Buffer_Local_Value: | |
dc2a0b79 | 1577 | strout ("#<some_buffer_local_value ", -1, -1, printcharfun, 0); |
00d76abc | 1578 | do_buffer_local: |
dc2a0b79 | 1579 | strout ("[realvalue] ", -1, -1, printcharfun, 0); |
00d76abc | 1580 | print (XBUFFER_LOCAL_VALUE (obj)->car, printcharfun, escapeflag); |
dc2a0b79 | 1581 | strout ("[buffer] ", -1, -1, printcharfun, 0); |
00d76abc KH |
1582 | print (XCONS (XBUFFER_LOCAL_VALUE (obj)->cdr)->car, |
1583 | printcharfun, escapeflag); | |
dc2a0b79 | 1584 | strout ("[alist-elt] ", -1, -1, printcharfun, 0); |
00d76abc KH |
1585 | print (XCONS (XCONS (XBUFFER_LOCAL_VALUE (obj)->cdr)->cdr)->car, |
1586 | printcharfun, escapeflag); | |
dc2a0b79 | 1587 | strout ("[default-value] ", -1, -1, printcharfun, 0); |
00d76abc KH |
1588 | print (XCONS (XCONS (XBUFFER_LOCAL_VALUE (obj)->cdr)->cdr)->cdr, |
1589 | printcharfun, escapeflag); | |
1590 | PRINTCHAR ('>'); | |
1591 | break; | |
1592 | ||
1593 | default: | |
1594 | goto badtype; | |
e0f93814 | 1595 | } |
00d76abc | 1596 | break; |
38010d50 | 1597 | #endif /* standalone */ |
ca0569ad RS |
1598 | |
1599 | default: | |
00d76abc | 1600 | badtype: |
ca0569ad RS |
1601 | { |
1602 | /* We're in trouble if this happens! | |
1603 | Probably should just abort () */ | |
dc2a0b79 | 1604 | strout ("#<EMACS BUG: INVALID DATATYPE ", -1, -1, printcharfun, 0); |
00d76abc | 1605 | if (MISCP (obj)) |
5db20f08 | 1606 | sprintf (buf, "(MISC 0x%04x)", (int) XMISCTYPE (obj)); |
00d76abc KH |
1607 | else if (VECTORLIKEP (obj)) |
1608 | sprintf (buf, "(PVEC 0x%08x)", (int) XVECTOR (obj)->size); | |
1609 | else | |
1610 | sprintf (buf, "(0x%02x)", (int) XTYPE (obj)); | |
dc2a0b79 | 1611 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad | 1612 | strout (" Save your buffers immediately and please report this bug>", |
dc2a0b79 | 1613 | -1, -1, printcharfun, 0); |
ca0569ad | 1614 | } |
38010d50 JB |
1615 | } |
1616 | ||
1617 | print_depth--; | |
1618 | } | |
1619 | \f | |
7651e1f5 RS |
1620 | #ifdef USE_TEXT_PROPERTIES |
1621 | ||
1622 | /* Print a description of INTERVAL using PRINTCHARFUN. | |
1623 | This is part of printing a string that has text properties. */ | |
1624 | ||
1625 | void | |
1626 | print_interval (interval, printcharfun) | |
1627 | INTERVAL interval; | |
1628 | Lisp_Object printcharfun; | |
1629 | { | |
30503c0b | 1630 | PRINTCHAR (' '); |
7651e1f5 RS |
1631 | print (make_number (interval->position), printcharfun, 1); |
1632 | PRINTCHAR (' '); | |
1633 | print (make_number (interval->position + LENGTH (interval)), | |
1634 | printcharfun, 1); | |
1635 | PRINTCHAR (' '); | |
1636 | print (interval->plist, printcharfun, 1); | |
7651e1f5 RS |
1637 | } |
1638 | ||
1639 | #endif /* USE_TEXT_PROPERTIES */ | |
1640 | \f | |
38010d50 JB |
1641 | void |
1642 | syms_of_print () | |
1643 | { | |
38010d50 JB |
1644 | DEFVAR_LISP ("standard-output", &Vstandard_output, |
1645 | "Output stream `print' uses by default for outputting a character.\n\ | |
1646 | This may be any function of one argument.\n\ | |
1647 | It may also be a buffer (output is inserted before point)\n\ | |
1648 | or a marker (output is inserted and the marker is advanced)\n\ | |
113620cc | 1649 | or the symbol t (output appears in the echo area)."); |
38010d50 JB |
1650 | Vstandard_output = Qt; |
1651 | Qstandard_output = intern ("standard-output"); | |
1652 | staticpro (&Qstandard_output); | |
1653 | ||
1654 | #ifdef LISP_FLOAT_TYPE | |
1655 | DEFVAR_LISP ("float-output-format", &Vfloat_output_format, | |
06ef7355 | 1656 | "The format descriptor string used to print floats.\n\ |
38010d50 JB |
1657 | This is a %-spec like those accepted by `printf' in C,\n\ |
1658 | but with some restrictions. It must start with the two characters `%.'.\n\ | |
1659 | After that comes an integer precision specification,\n\ | |
1660 | and then a letter which controls the format.\n\ | |
1661 | The letters allowed are `e', `f' and `g'.\n\ | |
1662 | Use `e' for exponential notation \"DIG.DIGITSeEXPT\"\n\ | |
1663 | Use `f' for decimal point notation \"DIGITS.DIGITS\".\n\ | |
1664 | Use `g' to choose the shorter of those two formats for the number at hand.\n\ | |
1665 | The precision in any of these cases is the number of digits following\n\ | |
1666 | the decimal point. With `f', a precision of 0 means to omit the\n\ | |
c7b14277 | 1667 | decimal point. 0 is not allowed with `e' or `g'.\n\n\ |
f356c3fb PE |
1668 | A value of nil means to use the shortest notation\n\ |
1669 | that represents the number without losing information."); | |
38010d50 JB |
1670 | Vfloat_output_format = Qnil; |
1671 | Qfloat_output_format = intern ("float-output-format"); | |
1672 | staticpro (&Qfloat_output_format); | |
1673 | #endif /* LISP_FLOAT_TYPE */ | |
1674 | ||
1675 | DEFVAR_LISP ("print-length", &Vprint_length, | |
aa734e17 | 1676 | "Maximum length of list to print before abbreviating.\n\ |
38010d50 JB |
1677 | A value of nil means no limit."); |
1678 | Vprint_length = Qnil; | |
1679 | ||
1680 | DEFVAR_LISP ("print-level", &Vprint_level, | |
aa734e17 | 1681 | "Maximum depth of list nesting to print before abbreviating.\n\ |
38010d50 JB |
1682 | A value of nil means no limit."); |
1683 | Vprint_level = Qnil; | |
1684 | ||
1685 | DEFVAR_BOOL ("print-escape-newlines", &print_escape_newlines, | |
a8920a17 | 1686 | "Non-nil means print newlines in strings as backslash-n.\n\ |
c6f7982f | 1687 | Also print formfeeds as backslash-f."); |
38010d50 JB |
1688 | print_escape_newlines = 0; |
1689 | ||
2f100b5c EN |
1690 | DEFVAR_BOOL ("print-quoted", &print_quoted, |
1691 | "Non-nil means print quoted forms with reader syntax.\n\ | |
1692 | I.e., (quote foo) prints as 'foo, (function foo) as #'foo, and, backquoted\n\ | |
1693 | forms print in the new syntax."); | |
1694 | print_quoted = 0; | |
1695 | ||
e0f69431 | 1696 | DEFVAR_LISP ("print-gensym", &Vprint_gensym, |
081e0581 | 1697 | "Non-nil means print uninterned symbols so they will read as uninterned.\n\ |
265375e7 | 1698 | I.e., the value of (make-symbol \"foobar\") prints as #:foobar.\n\ |
e0f69431 RS |
1699 | When the uninterned symbol appears within a larger data structure,\n\ |
1700 | in addition use the #...# and #...= constructs as needed,\n\ | |
1701 | so that multiple references to the same symbol are shared once again\n\ | |
1702 | when the text is read back.\n\ | |
1703 | \n\ | |
1704 | If the value of `print-gensym' is a cons cell, then in addition refrain from\n\ | |
1705 | clearing `print-gensym-alist' on entry to and exit from printing functions,\n\ | |
1706 | so that the use of #...# and #...= can carry over for several separately\n\ | |
1707 | printed objects."); | |
1708 | Vprint_gensym = Qnil; | |
1709 | ||
1710 | DEFVAR_LISP ("print-gensym-alist", &Vprint_gensym_alist, | |
1711 | "Association list of elements (GENSYM . N) to guide use of #N# and #N=.\n\ | |
1712 | In each element, GENSYM is an uninterned symbol that has been associated\n\ | |
1713 | with #N= for the specified value of N."); | |
1714 | Vprint_gensym_alist = Qnil; | |
081e0581 | 1715 | |
38010d50 JB |
1716 | /* prin1_to_string_buffer initialized in init_buffer_once in buffer.c */ |
1717 | staticpro (&Vprin1_to_string_buffer); | |
1718 | ||
1719 | defsubr (&Sprin1); | |
1720 | defsubr (&Sprin1_to_string); | |
113620cc | 1721 | defsubr (&Serror_message_string); |
38010d50 JB |
1722 | defsubr (&Sprinc); |
1723 | defsubr (&Sprint); | |
1724 | defsubr (&Sterpri); | |
1725 | defsubr (&Swrite_char); | |
1726 | defsubr (&Sexternal_debugging_output); | |
1727 | ||
1728 | Qexternal_debugging_output = intern ("external-debugging-output"); | |
1729 | staticpro (&Qexternal_debugging_output); | |
1730 | ||
2f100b5c EN |
1731 | Qprint_escape_newlines = intern ("print-escape-newlines"); |
1732 | staticpro (&Qprint_escape_newlines); | |
1733 | ||
38010d50 JB |
1734 | #ifndef standalone |
1735 | defsubr (&Swith_output_to_temp_buffer); | |
1736 | #endif /* not standalone */ | |
1737 | } |