Commit | Line | Data |
---|---|---|
38010d50 | 1 | /* Lisp object printing and output streams. |
9dffd511 RS |
2 | Copyright (C) 1985, 86, 88, 93, 94, 95, 97, 1998 |
3 | Free Software Foundation, Inc. | |
38010d50 JB |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
7 | GNU Emacs is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
4746118a | 9 | the Free Software Foundation; either version 2, or (at your option) |
38010d50 JB |
10 | any later version. |
11 | ||
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU Emacs; see the file COPYING. If not, write to | |
3b7ad313 EN |
19 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
20 | Boston, MA 02111-1307, USA. */ | |
38010d50 JB |
21 | |
22 | ||
18160b98 | 23 | #include <config.h> |
38010d50 | 24 | #include <stdio.h> |
38010d50 JB |
25 | #include "lisp.h" |
26 | ||
27 | #ifndef standalone | |
28 | #include "buffer.h" | |
087e3c46 | 29 | #include "charset.h" |
0137dbf7 | 30 | #include "frame.h" |
38010d50 JB |
31 | #include "window.h" |
32 | #include "process.h" | |
33 | #include "dispextern.h" | |
34 | #include "termchar.h" | |
077d751f | 35 | #include "keyboard.h" |
38010d50 JB |
36 | #endif /* not standalone */ |
37 | ||
7651e1f5 RS |
38 | #ifdef USE_TEXT_PROPERTIES |
39 | #include "intervals.h" | |
40 | #endif | |
41 | ||
38010d50 JB |
42 | Lisp_Object Vstandard_output, Qstandard_output; |
43 | ||
2f100b5c EN |
44 | /* These are used to print like we read. */ |
45 | extern Lisp_Object Qbackquote, Qcomma, Qcomma_at, Qcomma_dot, Qfunction; | |
46 | ||
38010d50 JB |
47 | #ifdef LISP_FLOAT_TYPE |
48 | Lisp_Object Vfloat_output_format, Qfloat_output_format; | |
f356c3fb PE |
49 | |
50 | /* Work around a problem that happens because math.h on hpux 7 | |
51 | defines two static variables--which, in Emacs, are not really static, | |
52 | because `static' is defined as nothing. The problem is that they are | |
53 | defined both here and in lread.c. | |
54 | These macros prevent the name conflict. */ | |
55 | #if defined (HPUX) && !defined (HPUX8) | |
56 | #define _MAXLDBL print_maxldbl | |
57 | #define _NMAXLDBL print_nmaxldbl | |
58 | #endif | |
59 | ||
60 | #include <math.h> | |
61 | ||
62 | #if STDC_HEADERS | |
63 | #include <float.h> | |
64 | #include <stdlib.h> | |
65 | #endif | |
66 | ||
67 | /* Default to values appropriate for IEEE floating point. */ | |
68 | #ifndef FLT_RADIX | |
69 | #define FLT_RADIX 2 | |
70 | #endif | |
71 | #ifndef DBL_MANT_DIG | |
72 | #define DBL_MANT_DIG 53 | |
73 | #endif | |
74 | #ifndef DBL_DIG | |
75 | #define DBL_DIG 15 | |
76 | #endif | |
b0a1044b PE |
77 | #ifndef DBL_MIN |
78 | #define DBL_MIN 2.2250738585072014e-308 | |
79 | #endif | |
80 | ||
81 | #ifdef DBL_MIN_REPLACEMENT | |
82 | #undef DBL_MIN | |
83 | #define DBL_MIN DBL_MIN_REPLACEMENT | |
84 | #endif | |
f356c3fb PE |
85 | |
86 | /* Define DOUBLE_DIGITS_BOUND, an upper bound on the number of decimal digits | |
87 | needed to express a float without losing information. | |
88 | The general-case formula is valid for the usual case, IEEE floating point, | |
89 | but many compilers can't optimize the formula to an integer constant, | |
90 | so make a special case for it. */ | |
91 | #if FLT_RADIX == 2 && DBL_MANT_DIG == 53 | |
92 | #define DOUBLE_DIGITS_BOUND 17 /* IEEE floating point */ | |
93 | #else | |
94 | #define DOUBLE_DIGITS_BOUND ((int) ceil (log10 (pow (FLT_RADIX, DBL_MANT_DIG)))) | |
95 | #endif | |
96 | ||
38010d50 JB |
97 | #endif /* LISP_FLOAT_TYPE */ |
98 | ||
99 | /* Avoid actual stack overflow in print. */ | |
100 | int print_depth; | |
101 | ||
ec838c39 RS |
102 | /* Detect most circularities to print finite output. */ |
103 | #define PRINT_CIRCLE 200 | |
104 | Lisp_Object being_printed[PRINT_CIRCLE]; | |
105 | ||
6fec5601 RS |
106 | /* When printing into a buffer, first we put the text in this |
107 | block, then insert it all at once. */ | |
108 | char *print_buffer; | |
109 | ||
110 | /* Size allocated in print_buffer. */ | |
111 | int print_buffer_size; | |
dc2a0b79 | 112 | /* Chars stored in print_buffer. */ |
6fec5601 | 113 | int print_buffer_pos; |
dc2a0b79 RS |
114 | /* Bytes stored in print_buffer. */ |
115 | int print_buffer_pos_byte; | |
6fec5601 | 116 | |
38010d50 JB |
117 | /* Maximum length of list to print in full; noninteger means |
118 | effectively infinity */ | |
119 | ||
120 | Lisp_Object Vprint_length; | |
121 | ||
122 | /* Maximum depth of list to print in full; noninteger means | |
123 | effectively infinity. */ | |
124 | ||
125 | Lisp_Object Vprint_level; | |
126 | ||
127 | /* Nonzero means print newlines in strings as \n. */ | |
128 | ||
129 | int print_escape_newlines; | |
130 | ||
131 | Lisp_Object Qprint_escape_newlines; | |
132 | ||
2f100b5c EN |
133 | /* Nonzero means print (quote foo) forms as 'foo, etc. */ |
134 | ||
135 | int print_quoted; | |
136 | ||
e0f69431 RS |
137 | /* Non-nil means print #: before uninterned symbols. |
138 | Neither t nor nil means so that and don't clear Vprint_gensym_alist | |
139 | on entry to and exit from print functions. */ | |
081e0581 | 140 | |
e0f69431 | 141 | Lisp_Object Vprint_gensym; |
081e0581 EN |
142 | |
143 | /* Association list of certain objects that are `eq' in the form being | |
144 | printed and which should be `eq' when read back in, using the #n=object | |
145 | and #n# reader forms. Each element has the form (object . n). */ | |
146 | ||
e0f69431 | 147 | Lisp_Object Vprint_gensym_alist; |
2f100b5c | 148 | |
5259c737 | 149 | /* Nonzero means print newline to stdout before next minibuffer message. |
38010d50 JB |
150 | Defined in xdisp.c */ |
151 | ||
152 | extern int noninteractive_need_newline; | |
5259c737 | 153 | |
aec2b95b RS |
154 | extern int minibuffer_auto_raise; |
155 | ||
38010d50 JB |
156 | #ifdef MAX_PRINT_CHARS |
157 | static int print_chars; | |
158 | static int max_print; | |
159 | #endif /* MAX_PRINT_CHARS */ | |
7651e1f5 RS |
160 | |
161 | void print_interval (); | |
38010d50 JB |
162 | \f |
163 | #if 0 | |
164 | /* Convert between chars and GLYPHs */ | |
165 | ||
166 | int | |
167 | glyphlen (glyphs) | |
168 | register GLYPH *glyphs; | |
169 | { | |
170 | register int i = 0; | |
171 | ||
172 | while (glyphs[i]) | |
173 | i++; | |
174 | return i; | |
175 | } | |
176 | ||
177 | void | |
178 | str_to_glyph_cpy (str, glyphs) | |
179 | char *str; | |
180 | GLYPH *glyphs; | |
181 | { | |
182 | register GLYPH *gp = glyphs; | |
183 | register char *cp = str; | |
184 | ||
185 | while (*cp) | |
186 | *gp++ = *cp++; | |
187 | } | |
188 | ||
189 | void | |
190 | str_to_glyph_ncpy (str, glyphs, n) | |
191 | char *str; | |
192 | GLYPH *glyphs; | |
193 | register int n; | |
194 | { | |
195 | register GLYPH *gp = glyphs; | |
196 | register char *cp = str; | |
197 | ||
198 | while (n-- > 0) | |
199 | *gp++ = *cp++; | |
200 | } | |
201 | ||
202 | void | |
203 | glyph_to_str_cpy (glyphs, str) | |
204 | GLYPH *glyphs; | |
205 | char *str; | |
206 | { | |
207 | register GLYPH *gp = glyphs; | |
208 | register char *cp = str; | |
209 | ||
210 | while (*gp) | |
211 | *str++ = *gp++ & 0377; | |
212 | } | |
213 | #endif | |
214 | \f | |
eb8c3be9 | 215 | /* Low level output routines for characters and strings */ |
38010d50 JB |
216 | |
217 | /* Lisp functions to do output using a stream | |
081e0581 EN |
218 | must have the stream in a variable called printcharfun |
219 | and must start with PRINTPREPARE, end with PRINTFINISH, | |
220 | and use PRINTDECLARE to declare common variables. | |
221 | Use PRINTCHAR to output one character, | |
222 | or call strout to output a block of characters. | |
38010d50 JB |
223 | */ |
224 | ||
081e0581 EN |
225 | #define PRINTDECLARE \ |
226 | struct buffer *old = current_buffer; \ | |
227 | int old_point = -1, start_point; \ | |
6ddd6eee | 228 | int old_point_byte, start_point_byte; \ |
08e8d297 RS |
229 | int specpdl_count = specpdl_ptr - specpdl; \ |
230 | int free_print_buffer = 0; \ | |
081e0581 EN |
231 | Lisp_Object original |
232 | ||
cdaa87fd RS |
233 | #define PRINTPREPARE \ |
234 | original = printcharfun; \ | |
235 | if (NILP (printcharfun)) printcharfun = Qt; \ | |
d4ae1f7e | 236 | if (BUFFERP (printcharfun)) \ |
08e8d297 RS |
237 | { \ |
238 | if (XBUFFER (printcharfun) != current_buffer) \ | |
cdaa87fd | 239 | Fset_buffer (printcharfun); \ |
08e8d297 RS |
240 | printcharfun = Qnil; \ |
241 | } \ | |
d4ae1f7e | 242 | if (MARKERP (printcharfun)) \ |
08e8d297 RS |
243 | { \ |
244 | if (!(XMARKER (original)->buffer)) \ | |
cdaa87fd RS |
245 | error ("Marker does not point anywhere"); \ |
246 | if (XMARKER (original)->buffer != current_buffer) \ | |
247 | set_buffer_internal (XMARKER (original)->buffer); \ | |
6ec8bbd2 | 248 | old_point = PT; \ |
6ddd6eee RS |
249 | old_point_byte = PT_BYTE; \ |
250 | SET_PT_BOTH (marker_position (printcharfun), \ | |
251 | marker_byte_position (printcharfun)); \ | |
6ec8bbd2 | 252 | start_point = PT; \ |
6ddd6eee | 253 | start_point_byte = PT_BYTE; \ |
08e8d297 RS |
254 | printcharfun = Qnil; \ |
255 | } \ | |
6fec5601 RS |
256 | if (NILP (printcharfun)) \ |
257 | { \ | |
dc2a0b79 | 258 | Lisp_Object string; \ |
08e8d297 | 259 | if (print_buffer != 0) \ |
dc2a0b79 | 260 | { \ |
9dffd511 RS |
261 | string = make_string_from_bytes (print_buffer, \ |
262 | print_buffer_pos, \ | |
263 | print_buffer_pos_byte); \ | |
dc2a0b79 RS |
264 | record_unwind_protect (print_unwind, string); \ |
265 | } \ | |
08e8d297 RS |
266 | else \ |
267 | { \ | |
268 | print_buffer_size = 1000; \ | |
269 | print_buffer = (char *) xmalloc (print_buffer_size); \ | |
b3da2c73 | 270 | free_print_buffer = 1; \ |
08e8d297 | 271 | } \ |
6fec5601 | 272 | print_buffer_pos = 0; \ |
dc2a0b79 | 273 | print_buffer_pos_byte = 0; \ |
6fec5601 | 274 | } \ |
e0f69431 RS |
275 | if (!CONSP (Vprint_gensym)) \ |
276 | Vprint_gensym_alist = Qnil | |
38010d50 | 277 | |
cdaa87fd | 278 | #define PRINTFINISH \ |
6fec5601 | 279 | if (NILP (printcharfun)) \ |
dc2a0b79 RS |
280 | insert_1_both (print_buffer, print_buffer_pos, \ |
281 | print_buffer_pos_byte, 0, 1, 0); \ | |
08e8d297 | 282 | if (free_print_buffer) \ |
09eddb56 | 283 | { \ |
99351a0d | 284 | xfree (print_buffer); \ |
09eddb56 RS |
285 | print_buffer = 0; \ |
286 | } \ | |
08e8d297 | 287 | unbind_to (specpdl_count, Qnil); \ |
d4ae1f7e | 288 | if (MARKERP (original)) \ |
6ddd6eee | 289 | set_marker_both (original, Qnil, PT, PT_BYTE); \ |
cdaa87fd | 290 | if (old_point >= 0) \ |
6ddd6eee RS |
291 | SET_PT_BOTH (old_point + (old_point >= start_point \ |
292 | ? PT - start_point : 0), \ | |
293 | old_point_byte + (old_point_byte >= start_point_byte \ | |
294 | ? PT_BYTE - start_point_byte : 0)); \ | |
cdaa87fd | 295 | if (old != current_buffer) \ |
081e0581 | 296 | set_buffer_internal (old); \ |
e0f69431 RS |
297 | if (!CONSP (Vprint_gensym)) \ |
298 | Vprint_gensym_alist = Qnil | |
38010d50 JB |
299 | |
300 | #define PRINTCHAR(ch) printchar (ch, printcharfun) | |
301 | ||
09eddb56 RS |
302 | /* Nonzero if there is no room to print any more characters |
303 | so print might as well return right away. */ | |
304 | ||
305 | #define PRINTFULLP() \ | |
306 | (EQ (printcharfun, Qt) && !noninteractive \ | |
307 | && printbufidx >= FRAME_WIDTH (XFRAME (WINDOW_FRAME (XWINDOW (minibuf_window))))) | |
308 | ||
08e8d297 RS |
309 | /* This is used to restore the saved contents of print_buffer |
310 | when there is a recursive call to print. */ | |
311 | static Lisp_Object | |
312 | print_unwind (saved_text) | |
313 | Lisp_Object saved_text; | |
314 | { | |
315 | bcopy (XSTRING (saved_text)->data, print_buffer, XSTRING (saved_text)->size); | |
316 | } | |
317 | ||
09eddb56 | 318 | /* Index of first unused element of FRAME_MESSAGE_BUF (mini_frame). */ |
38010d50 JB |
319 | static int printbufidx; |
320 | ||
321 | static void | |
322 | printchar (ch, fun) | |
087e3c46 | 323 | unsigned int ch; |
38010d50 JB |
324 | Lisp_Object fun; |
325 | { | |
326 | Lisp_Object ch1; | |
327 | ||
328 | #ifdef MAX_PRINT_CHARS | |
329 | if (max_print) | |
330 | print_chars++; | |
331 | #endif /* MAX_PRINT_CHARS */ | |
332 | #ifndef standalone | |
333 | if (EQ (fun, Qnil)) | |
334 | { | |
087e3c46 | 335 | int len; |
dc22f25e | 336 | unsigned char work[4], *str; |
087e3c46 | 337 | |
38010d50 | 338 | QUIT; |
087e3c46 | 339 | len = CHAR_STRING (ch, work, str); |
dc2a0b79 | 340 | if (print_buffer_pos_byte + len >= print_buffer_size) |
6fec5601 RS |
341 | print_buffer = (char *) xrealloc (print_buffer, |
342 | print_buffer_size *= 2); | |
dc2a0b79 RS |
343 | bcopy (str, print_buffer + print_buffer_pos_byte, len); |
344 | print_buffer_pos += 1; | |
345 | print_buffer_pos_byte += len; | |
38010d50 JB |
346 | return; |
347 | } | |
348 | ||
349 | if (EQ (fun, Qt)) | |
350 | { | |
c217b048 | 351 | FRAME_PTR mini_frame |
b8b1b8fd | 352 | = XFRAME (WINDOW_FRAME (XWINDOW (minibuf_window))); |
087e3c46 KH |
353 | unsigned char work[4], *str; |
354 | int len = CHAR_STRING (ch, work, str); | |
b8b1b8fd | 355 | |
09eddb56 RS |
356 | QUIT; |
357 | ||
38010d50 JB |
358 | if (noninteractive) |
359 | { | |
087e3c46 KH |
360 | while (len--) |
361 | putchar (*str), str++; | |
38010d50 JB |
362 | noninteractive_need_newline = 1; |
363 | return; | |
364 | } | |
365 | ||
b8b1b8fd | 366 | if (echo_area_glyphs != FRAME_MESSAGE_BUF (mini_frame) |
38010d50 JB |
367 | || !message_buf_print) |
368 | { | |
aee72e4f | 369 | message_log_maybe_newline (); |
b8b1b8fd | 370 | echo_area_glyphs = FRAME_MESSAGE_BUF (mini_frame); |
38010d50 | 371 | printbufidx = 0; |
708d172a | 372 | echo_area_glyphs_length = 0; |
38010d50 | 373 | message_buf_print = 1; |
aec2b95b RS |
374 | |
375 | if (minibuffer_auto_raise) | |
376 | { | |
377 | Lisp_Object mini_window; | |
378 | ||
379 | /* Get the frame containing the minibuffer | |
380 | that the selected frame is using. */ | |
381 | mini_window = FRAME_MINIBUF_WINDOW (selected_frame); | |
382 | ||
383 | Fraise_frame (WINDOW_FRAME (XWINDOW (mini_window))); | |
384 | } | |
38010d50 JB |
385 | } |
386 | ||
dc2a0b79 | 387 | message_dolog (str, len, 0, len > 1); |
1134b854 RS |
388 | |
389 | /* Convert message to multibyte if we are now adding multibyte text. */ | |
390 | if (! NILP (current_buffer->enable_multibyte_characters) | |
391 | && ! message_enable_multibyte | |
392 | && printbufidx > 0) | |
393 | { | |
394 | int size = count_size_as_multibyte (FRAME_MESSAGE_BUF (mini_frame), | |
395 | printbufidx); | |
396 | unsigned char *tembuf = (unsigned char *) alloca (size + 1); | |
397 | copy_text (FRAME_MESSAGE_BUF (mini_frame), tembuf, printbufidx, | |
398 | 0, 1); | |
399 | printbufidx = size; | |
400 | if (printbufidx > FRAME_MESSAGE_BUF_SIZE (mini_frame)) | |
4ad8bb20 KH |
401 | { |
402 | printbufidx = FRAME_MESSAGE_BUF_SIZE (mini_frame); | |
403 | /* Rewind incomplete multi-byte form. */ | |
404 | while (printbufidx > 0 && tembuf[printbufidx] >= 0xA0) | |
405 | printbufidx--; | |
406 | } | |
1134b854 | 407 | bcopy (tembuf, FRAME_MESSAGE_BUF (mini_frame), printbufidx); |
4ad8bb20 | 408 | message_enable_multibyte = 1; |
1134b854 | 409 | } |
1134b854 | 410 | |
087e3c46 KH |
411 | if (printbufidx < FRAME_MESSAGE_BUF_SIZE (mini_frame) - len) |
412 | bcopy (str, &FRAME_MESSAGE_BUF (mini_frame)[printbufidx], len), | |
413 | printbufidx += len; | |
b8b1b8fd | 414 | FRAME_MESSAGE_BUF (mini_frame)[printbufidx] = 0; |
708d172a | 415 | echo_area_glyphs_length = printbufidx; |
38010d50 JB |
416 | |
417 | return; | |
418 | } | |
419 | #endif /* not standalone */ | |
420 | ||
b5d25c37 | 421 | XSETFASTINT (ch1, ch); |
38010d50 JB |
422 | call1 (fun, ch1); |
423 | } | |
424 | ||
425 | static void | |
dc2a0b79 | 426 | strout (ptr, size, size_byte, printcharfun, multibyte) |
38010d50 | 427 | char *ptr; |
dc2a0b79 | 428 | int size, size_byte; |
38010d50 | 429 | Lisp_Object printcharfun; |
dc2a0b79 | 430 | int multibyte; |
38010d50 JB |
431 | { |
432 | int i = 0; | |
433 | ||
087e3c46 | 434 | if (size < 0) |
dc2a0b79 | 435 | size_byte = size = strlen (ptr); |
087e3c46 | 436 | |
38010d50 JB |
437 | if (EQ (printcharfun, Qnil)) |
438 | { | |
dc2a0b79 | 439 | if (print_buffer_pos_byte + size_byte > print_buffer_size) |
6fec5601 | 440 | { |
dc2a0b79 | 441 | print_buffer_size = print_buffer_size * 2 + size_byte; |
6fec5601 RS |
442 | print_buffer = (char *) xrealloc (print_buffer, |
443 | print_buffer_size); | |
444 | } | |
dc2a0b79 | 445 | bcopy (ptr, print_buffer + print_buffer_pos_byte, size_byte); |
6fec5601 | 446 | print_buffer_pos += size; |
dc2a0b79 | 447 | print_buffer_pos_byte += size_byte; |
6fec5601 | 448 | |
38010d50 JB |
449 | #ifdef MAX_PRINT_CHARS |
450 | if (max_print) | |
6fec5601 | 451 | print_chars += size; |
38010d50 JB |
452 | #endif /* MAX_PRINT_CHARS */ |
453 | return; | |
454 | } | |
455 | if (EQ (printcharfun, Qt)) | |
456 | { | |
c217b048 | 457 | FRAME_PTR mini_frame |
b8b1b8fd RS |
458 | = XFRAME (WINDOW_FRAME (XWINDOW (minibuf_window))); |
459 | ||
09eddb56 RS |
460 | QUIT; |
461 | ||
38010d50 JB |
462 | #ifdef MAX_PRINT_CHARS |
463 | if (max_print) | |
087e3c46 | 464 | print_chars += size; |
38010d50 JB |
465 | #endif /* MAX_PRINT_CHARS */ |
466 | ||
467 | if (noninteractive) | |
468 | { | |
dc2a0b79 | 469 | fwrite (ptr, 1, size_byte, stdout); |
38010d50 JB |
470 | noninteractive_need_newline = 1; |
471 | return; | |
472 | } | |
473 | ||
b8b1b8fd | 474 | if (echo_area_glyphs != FRAME_MESSAGE_BUF (mini_frame) |
38010d50 JB |
475 | || !message_buf_print) |
476 | { | |
aee72e4f | 477 | message_log_maybe_newline (); |
b8b1b8fd | 478 | echo_area_glyphs = FRAME_MESSAGE_BUF (mini_frame); |
38010d50 | 479 | printbufidx = 0; |
708d172a | 480 | echo_area_glyphs_length = 0; |
38010d50 | 481 | message_buf_print = 1; |
aec2b95b RS |
482 | |
483 | if (minibuffer_auto_raise) | |
484 | { | |
485 | Lisp_Object mini_window; | |
486 | ||
487 | /* Get the frame containing the minibuffer | |
488 | that the selected frame is using. */ | |
489 | mini_window = FRAME_MINIBUF_WINDOW (selected_frame); | |
490 | ||
491 | Fraise_frame (WINDOW_FRAME (XWINDOW (mini_window))); | |
492 | } | |
38010d50 JB |
493 | } |
494 | ||
dc2a0b79 | 495 | message_dolog (ptr, size_byte, 0, multibyte); |
4ad8bb20 KH |
496 | |
497 | /* Convert message to multibyte if we are now adding multibyte text. */ | |
498 | if (multibyte | |
499 | && ! message_enable_multibyte | |
500 | && printbufidx > 0) | |
501 | { | |
502 | int size = count_size_as_multibyte (FRAME_MESSAGE_BUF (mini_frame), | |
503 | printbufidx); | |
504 | unsigned char *tembuf = (unsigned char *) alloca (size + 1); | |
505 | copy_text (FRAME_MESSAGE_BUF (mini_frame), tembuf, printbufidx, | |
506 | 0, 1); | |
507 | printbufidx = size; | |
508 | if (printbufidx > FRAME_MESSAGE_BUF_SIZE (mini_frame)) | |
509 | { | |
510 | printbufidx = FRAME_MESSAGE_BUF_SIZE (mini_frame); | |
511 | /* Rewind incomplete multi-byte form. */ | |
512 | while (printbufidx > 0 && tembuf[printbufidx] >= 0xA0) | |
513 | printbufidx--; | |
514 | } | |
515 | ||
516 | bcopy (tembuf, FRAME_MESSAGE_BUF (mini_frame), printbufidx); | |
517 | message_enable_multibyte = 1; | |
518 | } | |
519 | ||
520 | /* Compute how much of the new text will fit there. */ | |
dc2a0b79 | 521 | if (size_byte > FRAME_MESSAGE_BUF_SIZE (mini_frame) - printbufidx - 1) |
087e3c46 | 522 | { |
dc2a0b79 | 523 | size_byte = FRAME_MESSAGE_BUF_SIZE (mini_frame) - printbufidx - 1; |
087e3c46 | 524 | /* Rewind incomplete multi-byte form. */ |
4ad8bb20 KH |
525 | while (size_byte && (unsigned char) ptr[size_byte] >= 0xA0) |
526 | size_byte--; | |
087e3c46 | 527 | } |
4ad8bb20 KH |
528 | |
529 | /* Put that part of the new text in. */ | |
dc2a0b79 RS |
530 | bcopy (ptr, &FRAME_MESSAGE_BUF (mini_frame) [printbufidx], size_byte); |
531 | printbufidx += size_byte; | |
b8b1b8fd | 532 | FRAME_MESSAGE_BUF (mini_frame) [printbufidx] = 0; |
4ad8bb20 | 533 | echo_area_glyphs_length = printbufidx; |
38010d50 JB |
534 | |
535 | return; | |
536 | } | |
537 | ||
087e3c46 | 538 | i = 0; |
dc2a0b79 RS |
539 | if (size == size_byte) |
540 | while (i < size_byte) | |
541 | { | |
542 | int ch = ptr[i++]; | |
087e3c46 | 543 | |
dc2a0b79 RS |
544 | PRINTCHAR (ch); |
545 | } | |
546 | else | |
547 | while (i < size_byte) | |
548 | { | |
549 | /* Here, we must convert each multi-byte form to the | |
550 | corresponding character code before handing it to PRINTCHAR. */ | |
551 | int len; | |
552 | int ch = STRING_CHAR_AND_LENGTH (ptr + i, size_byte - i, len); | |
553 | ||
554 | PRINTCHAR (ch); | |
555 | i += len; | |
556 | } | |
38010d50 JB |
557 | } |
558 | ||
559 | /* Print the contents of a string STRING using PRINTCHARFUN. | |
ed2c35ef RS |
560 | It isn't safe to use strout in many cases, |
561 | because printing one char can relocate. */ | |
38010d50 | 562 | |
dc2a0b79 | 563 | static void |
38010d50 JB |
564 | print_string (string, printcharfun) |
565 | Lisp_Object string; | |
566 | Lisp_Object printcharfun; | |
567 | { | |
6fec5601 RS |
568 | if (EQ (printcharfun, Qt) || NILP (printcharfun)) |
569 | /* strout is safe for output to a frame (echo area) or to print_buffer. */ | |
dc2a0b79 RS |
570 | strout (XSTRING (string)->data, |
571 | XSTRING (string)->size, | |
fc932ac6 | 572 | STRING_BYTES (XSTRING (string)), |
dc2a0b79 | 573 | printcharfun, STRING_MULTIBYTE (string)); |
38010d50 JB |
574 | else |
575 | { | |
dc2a0b79 RS |
576 | /* Otherwise, string may be relocated by printing one char. |
577 | So re-fetch the string address for each character. */ | |
38010d50 JB |
578 | int i; |
579 | int size = XSTRING (string)->size; | |
fc932ac6 | 580 | int size_byte = STRING_BYTES (XSTRING (string)); |
38010d50 JB |
581 | struct gcpro gcpro1; |
582 | GCPRO1 (string); | |
dc2a0b79 RS |
583 | if (size == size_byte) |
584 | for (i = 0; i < size; i++) | |
585 | PRINTCHAR (XSTRING (string)->data[i]); | |
586 | else | |
587 | for (i = 0; i < size_byte; i++) | |
588 | { | |
589 | /* Here, we must convert each multi-byte form to the | |
590 | corresponding character code before handing it to PRINTCHAR. */ | |
591 | int len; | |
592 | int ch = STRING_CHAR_AND_LENGTH (XSTRING (string)->data + i, | |
593 | size_byte - i, len); | |
594 | ||
595 | PRINTCHAR (ch); | |
596 | i += len; | |
597 | } | |
38010d50 JB |
598 | UNGCPRO; |
599 | } | |
600 | } | |
601 | \f | |
602 | DEFUN ("write-char", Fwrite_char, Swrite_char, 1, 2, 0, | |
3738a371 | 603 | "Output character CHARACTER to stream PRINTCHARFUN.\n\ |
57c9eb68 | 604 | PRINTCHARFUN defaults to the value of `standard-output' (which see).") |
3738a371 EN |
605 | (character, printcharfun) |
606 | Lisp_Object character, printcharfun; | |
38010d50 | 607 | { |
081e0581 | 608 | PRINTDECLARE; |
38010d50 | 609 | |
10eebdbb | 610 | if (NILP (printcharfun)) |
38010d50 | 611 | printcharfun = Vstandard_output; |
3738a371 | 612 | CHECK_NUMBER (character, 0); |
38010d50 | 613 | PRINTPREPARE; |
3738a371 | 614 | PRINTCHAR (XINT (character)); |
38010d50 | 615 | PRINTFINISH; |
3738a371 | 616 | return character; |
38010d50 JB |
617 | } |
618 | ||
dc2a0b79 RS |
619 | /* Used from outside of print.c to print a block of SIZE |
620 | single-byte chars at DATA on the default output stream. | |
38010d50 JB |
621 | Do not use this on the contents of a Lisp string. */ |
622 | ||
dc22f25e | 623 | void |
38010d50 JB |
624 | write_string (data, size) |
625 | char *data; | |
626 | int size; | |
627 | { | |
081e0581 | 628 | PRINTDECLARE; |
38010d50 | 629 | Lisp_Object printcharfun; |
38010d50 JB |
630 | |
631 | printcharfun = Vstandard_output; | |
632 | ||
633 | PRINTPREPARE; | |
dc2a0b79 | 634 | strout (data, size, size, printcharfun, 0); |
38010d50 JB |
635 | PRINTFINISH; |
636 | } | |
637 | ||
dc2a0b79 RS |
638 | /* Used from outside of print.c to print a block of SIZE |
639 | single-byte chars at DATA on a specified stream PRINTCHARFUN. | |
38010d50 JB |
640 | Do not use this on the contents of a Lisp string. */ |
641 | ||
dc22f25e | 642 | void |
38010d50 JB |
643 | write_string_1 (data, size, printcharfun) |
644 | char *data; | |
645 | int size; | |
646 | Lisp_Object printcharfun; | |
647 | { | |
081e0581 | 648 | PRINTDECLARE; |
38010d50 JB |
649 | |
650 | PRINTPREPARE; | |
dc2a0b79 | 651 | strout (data, size, size, printcharfun, 0); |
38010d50 JB |
652 | PRINTFINISH; |
653 | } | |
654 | ||
655 | ||
656 | #ifndef standalone | |
657 | ||
658 | void | |
659 | temp_output_buffer_setup (bufname) | |
660 | char *bufname; | |
661 | { | |
662 | register struct buffer *old = current_buffer; | |
663 | register Lisp_Object buf; | |
664 | ||
665 | Fset_buffer (Fget_buffer_create (build_string (bufname))); | |
666 | ||
2a1c968a | 667 | current_buffer->directory = old->directory; |
38010d50 | 668 | current_buffer->read_only = Qnil; |
c5c6d57c KH |
669 | current_buffer->filename = Qnil; |
670 | current_buffer->undo_list = Qt; | |
671 | current_buffer->overlays_before = Qnil; | |
672 | current_buffer->overlays_after = Qnil; | |
673 | current_buffer->enable_multibyte_characters | |
674 | = buffer_defaults.enable_multibyte_characters; | |
38010d50 JB |
675 | Ferase_buffer (); |
676 | ||
633307b5 | 677 | XSETBUFFER (buf, current_buffer); |
38010d50 JB |
678 | specbind (Qstandard_output, buf); |
679 | ||
680 | set_buffer_internal (old); | |
681 | } | |
682 | ||
683 | Lisp_Object | |
684 | internal_with_output_to_temp_buffer (bufname, function, args) | |
685 | char *bufname; | |
dfcf069d | 686 | Lisp_Object (*function) P_ ((Lisp_Object)); |
38010d50 JB |
687 | Lisp_Object args; |
688 | { | |
689 | int count = specpdl_ptr - specpdl; | |
690 | Lisp_Object buf, val; | |
0ab39c81 | 691 | struct gcpro gcpro1; |
38010d50 | 692 | |
0ab39c81 | 693 | GCPRO1 (args); |
38010d50 JB |
694 | record_unwind_protect (Fset_buffer, Fcurrent_buffer ()); |
695 | temp_output_buffer_setup (bufname); | |
696 | buf = Vstandard_output; | |
0ab39c81 | 697 | UNGCPRO; |
38010d50 JB |
698 | |
699 | val = (*function) (args); | |
700 | ||
0ab39c81 | 701 | GCPRO1 (val); |
38010d50 | 702 | temp_output_buffer_show (buf); |
0ab39c81 | 703 | UNGCPRO; |
38010d50 JB |
704 | |
705 | return unbind_to (count, val); | |
706 | } | |
707 | ||
708 | DEFUN ("with-output-to-temp-buffer", Fwith_output_to_temp_buffer, Swith_output_to_temp_buffer, | |
709 | 1, UNEVALLED, 0, | |
710 | "Bind `standard-output' to buffer BUFNAME, eval BODY, then show that buffer.\n\ | |
711 | The buffer is cleared out initially, and marked as unmodified when done.\n\ | |
712 | All output done by BODY is inserted in that buffer by default.\n\ | |
713 | The buffer is displayed in another window, but not selected.\n\ | |
714 | The value of the last form in BODY is returned.\n\ | |
715 | If BODY does not finish normally, the buffer BUFNAME is not displayed.\n\n\ | |
483288d7 | 716 | If variable `temp-buffer-show-function' is non-nil, call it at the end\n\ |
38010d50 JB |
717 | to get the buffer displayed. It gets one argument, the buffer to display.") |
718 | (args) | |
719 | Lisp_Object args; | |
720 | { | |
721 | struct gcpro gcpro1; | |
722 | Lisp_Object name; | |
723 | int count = specpdl_ptr - specpdl; | |
724 | Lisp_Object buf, val; | |
725 | ||
726 | GCPRO1(args); | |
727 | name = Feval (Fcar (args)); | |
728 | UNGCPRO; | |
729 | ||
730 | CHECK_STRING (name, 0); | |
731 | temp_output_buffer_setup (XSTRING (name)->data); | |
732 | buf = Vstandard_output; | |
733 | ||
734 | val = Fprogn (Fcdr (args)); | |
735 | ||
736 | temp_output_buffer_show (buf); | |
737 | ||
738 | return unbind_to (count, val); | |
739 | } | |
740 | #endif /* not standalone */ | |
741 | \f | |
742 | static void print (); | |
743 | ||
744 | DEFUN ("terpri", Fterpri, Sterpri, 0, 1, 0, | |
57c9eb68 KH |
745 | "Output a newline to stream PRINTCHARFUN.\n\ |
746 | If PRINTCHARFUN is omitted or nil, the value of `standard-output' is used.") | |
38010d50 JB |
747 | (printcharfun) |
748 | Lisp_Object printcharfun; | |
749 | { | |
081e0581 | 750 | PRINTDECLARE; |
38010d50 | 751 | |
10eebdbb | 752 | if (NILP (printcharfun)) |
38010d50 JB |
753 | printcharfun = Vstandard_output; |
754 | PRINTPREPARE; | |
755 | PRINTCHAR ('\n'); | |
756 | PRINTFINISH; | |
757 | return Qt; | |
758 | } | |
759 | ||
760 | DEFUN ("prin1", Fprin1, Sprin1, 1, 2, 0, | |
761 | "Output the printed representation of OBJECT, any Lisp object.\n\ | |
762 | Quoting characters are printed when needed to make output that `read'\n\ | |
763 | can handle, whenever this is possible.\n\ | |
57c9eb68 | 764 | Output stream is PRINTCHARFUN, or value of `standard-output' (which see).") |
3738a371 EN |
765 | (object, printcharfun) |
766 | Lisp_Object object, printcharfun; | |
38010d50 | 767 | { |
081e0581 | 768 | PRINTDECLARE; |
38010d50 JB |
769 | |
770 | #ifdef MAX_PRINT_CHARS | |
771 | max_print = 0; | |
772 | #endif /* MAX_PRINT_CHARS */ | |
10eebdbb | 773 | if (NILP (printcharfun)) |
38010d50 JB |
774 | printcharfun = Vstandard_output; |
775 | PRINTPREPARE; | |
776 | print_depth = 0; | |
3738a371 | 777 | print (object, printcharfun, 1); |
38010d50 | 778 | PRINTFINISH; |
3738a371 | 779 | return object; |
38010d50 JB |
780 | } |
781 | ||
782 | /* a buffer which is used to hold output being built by prin1-to-string */ | |
783 | Lisp_Object Vprin1_to_string_buffer; | |
784 | ||
785 | DEFUN ("prin1-to-string", Fprin1_to_string, Sprin1_to_string, 1, 2, 0, | |
786 | "Return a string containing the printed representation of OBJECT,\n\ | |
787 | any Lisp object. Quoting characters are used when needed to make output\n\ | |
788 | that `read' can handle, whenever this is possible, unless the optional\n\ | |
789 | second argument NOESCAPE is non-nil.") | |
3738a371 EN |
790 | (object, noescape) |
791 | Lisp_Object object, noescape; | |
38010d50 | 792 | { |
081e0581 EN |
793 | PRINTDECLARE; |
794 | Lisp_Object printcharfun; | |
2a42e8f6 KH |
795 | struct gcpro gcpro1, gcpro2; |
796 | Lisp_Object tem; | |
797 | ||
798 | /* Save and restore this--we are altering a buffer | |
799 | but we don't want to deactivate the mark just for that. | |
800 | No need for specbind, since errors deactivate the mark. */ | |
801 | tem = Vdeactivate_mark; | |
802 | GCPRO2 (object, tem); | |
38010d50 JB |
803 | |
804 | printcharfun = Vprin1_to_string_buffer; | |
805 | PRINTPREPARE; | |
806 | print_depth = 0; | |
3738a371 | 807 | print (object, printcharfun, NILP (noescape)); |
38010d50 JB |
808 | /* Make Vprin1_to_string_buffer be the default buffer after PRINTFINSH */ |
809 | PRINTFINISH; | |
810 | set_buffer_internal (XBUFFER (Vprin1_to_string_buffer)); | |
3738a371 | 811 | object = Fbuffer_string (); |
38010d50 | 812 | |
38010d50 JB |
813 | Ferase_buffer (); |
814 | set_buffer_internal (old); | |
2a42e8f6 KH |
815 | |
816 | Vdeactivate_mark = tem; | |
38010d50 JB |
817 | UNGCPRO; |
818 | ||
3738a371 | 819 | return object; |
38010d50 JB |
820 | } |
821 | ||
822 | DEFUN ("princ", Fprinc, Sprinc, 1, 2, 0, | |
823 | "Output the printed representation of OBJECT, any Lisp object.\n\ | |
824 | No quoting characters are used; no delimiters are printed around\n\ | |
825 | the contents of strings.\n\ | |
57c9eb68 | 826 | Output stream is PRINTCHARFUN, or value of standard-output (which see).") |
3738a371 EN |
827 | (object, printcharfun) |
828 | Lisp_Object object, printcharfun; | |
38010d50 | 829 | { |
081e0581 | 830 | PRINTDECLARE; |
38010d50 | 831 | |
10eebdbb | 832 | if (NILP (printcharfun)) |
38010d50 JB |
833 | printcharfun = Vstandard_output; |
834 | PRINTPREPARE; | |
835 | print_depth = 0; | |
3738a371 | 836 | print (object, printcharfun, 0); |
38010d50 | 837 | PRINTFINISH; |
3738a371 | 838 | return object; |
38010d50 JB |
839 | } |
840 | ||
841 | DEFUN ("print", Fprint, Sprint, 1, 2, 0, | |
842 | "Output the printed representation of OBJECT, with newlines around it.\n\ | |
843 | Quoting characters are printed when needed to make output that `read'\n\ | |
844 | can handle, whenever this is possible.\n\ | |
57c9eb68 | 845 | Output stream is PRINTCHARFUN, or value of `standard-output' (which see).") |
3738a371 EN |
846 | (object, printcharfun) |
847 | Lisp_Object object, printcharfun; | |
38010d50 | 848 | { |
081e0581 | 849 | PRINTDECLARE; |
38010d50 JB |
850 | struct gcpro gcpro1; |
851 | ||
852 | #ifdef MAX_PRINT_CHARS | |
853 | print_chars = 0; | |
854 | max_print = MAX_PRINT_CHARS; | |
855 | #endif /* MAX_PRINT_CHARS */ | |
10eebdbb | 856 | if (NILP (printcharfun)) |
38010d50 | 857 | printcharfun = Vstandard_output; |
3738a371 | 858 | GCPRO1 (object); |
38010d50 JB |
859 | PRINTPREPARE; |
860 | print_depth = 0; | |
861 | PRINTCHAR ('\n'); | |
3738a371 | 862 | print (object, printcharfun, 1); |
38010d50 JB |
863 | PRINTCHAR ('\n'); |
864 | PRINTFINISH; | |
865 | #ifdef MAX_PRINT_CHARS | |
866 | max_print = 0; | |
867 | print_chars = 0; | |
868 | #endif /* MAX_PRINT_CHARS */ | |
869 | UNGCPRO; | |
3738a371 | 870 | return object; |
38010d50 JB |
871 | } |
872 | ||
873 | /* The subroutine object for external-debugging-output is kept here | |
874 | for the convenience of the debugger. */ | |
875 | Lisp_Object Qexternal_debugging_output; | |
876 | ||
4746118a JB |
877 | DEFUN ("external-debugging-output", Fexternal_debugging_output, Sexternal_debugging_output, 1, 1, 0, |
878 | "Write CHARACTER to stderr.\n\ | |
38010d50 JB |
879 | You can call print while debugging emacs, and pass it this function\n\ |
880 | to make it write to the debugging output.\n") | |
4746118a JB |
881 | (character) |
882 | Lisp_Object character; | |
38010d50 JB |
883 | { |
884 | CHECK_NUMBER (character, 0); | |
885 | putc (XINT (character), stderr); | |
cd22039d RS |
886 | |
887 | #ifdef WINDOWSNT | |
888 | /* Send the output to a debugger (nothing happens if there isn't one). */ | |
889 | { | |
890 | char buf[2] = {(char) XINT (character), '\0'}; | |
891 | OutputDebugString (buf); | |
892 | } | |
893 | #endif | |
894 | ||
38010d50 JB |
895 | return character; |
896 | } | |
cf1bb91b RS |
897 | |
898 | /* This is the interface for debugging printing. */ | |
899 | ||
900 | void | |
901 | debug_print (arg) | |
902 | Lisp_Object arg; | |
903 | { | |
904 | Fprin1 (arg, Qexternal_debugging_output); | |
3684eb78 | 905 | fprintf (stderr, "\r\n"); |
cf1bb91b | 906 | } |
38010d50 | 907 | \f |
113620cc KH |
908 | DEFUN ("error-message-string", Ferror_message_string, Serror_message_string, |
909 | 1, 1, 0, | |
910 | "Convert an error value (ERROR-SYMBOL . DATA) to an error message.") | |
911 | (obj) | |
912 | Lisp_Object obj; | |
913 | { | |
914 | struct buffer *old = current_buffer; | |
915 | Lisp_Object original, printcharfun, value; | |
916 | struct gcpro gcpro1; | |
917 | ||
0872e11f RS |
918 | /* If OBJ is (error STRING), just return STRING. |
919 | That is not only faster, it also avoids the need to allocate | |
920 | space here when the error is due to memory full. */ | |
921 | if (CONSP (obj) && EQ (XCONS (obj)->car, Qerror) | |
922 | && CONSP (XCONS (obj)->cdr) | |
923 | && STRINGP (XCONS (XCONS (obj)->cdr)->car) | |
924 | && NILP (XCONS (XCONS (obj)->cdr)->cdr)) | |
925 | return XCONS (XCONS (obj)->cdr)->car; | |
926 | ||
dc22f25e | 927 | print_error_message (obj, Vprin1_to_string_buffer); |
113620cc KH |
928 | |
929 | set_buffer_internal (XBUFFER (Vprin1_to_string_buffer)); | |
930 | value = Fbuffer_string (); | |
931 | ||
932 | GCPRO1 (value); | |
933 | Ferase_buffer (); | |
934 | set_buffer_internal (old); | |
935 | UNGCPRO; | |
936 | ||
937 | return value; | |
938 | } | |
939 | ||
940 | /* Print an error message for the error DATA | |
941 | onto Lisp output stream STREAM (suitable for the print functions). */ | |
942 | ||
dc22f25e | 943 | void |
113620cc KH |
944 | print_error_message (data, stream) |
945 | Lisp_Object data, stream; | |
946 | { | |
947 | Lisp_Object errname, errmsg, file_error, tail; | |
948 | struct gcpro gcpro1; | |
949 | int i; | |
950 | ||
951 | errname = Fcar (data); | |
952 | ||
953 | if (EQ (errname, Qerror)) | |
954 | { | |
955 | data = Fcdr (data); | |
956 | if (!CONSP (data)) data = Qnil; | |
957 | errmsg = Fcar (data); | |
958 | file_error = Qnil; | |
959 | } | |
960 | else | |
961 | { | |
962 | errmsg = Fget (errname, Qerror_message); | |
963 | file_error = Fmemq (Qfile_error, | |
964 | Fget (errname, Qerror_conditions)); | |
965 | } | |
966 | ||
967 | /* Print an error message including the data items. */ | |
968 | ||
969 | tail = Fcdr_safe (data); | |
970 | GCPRO1 (tail); | |
971 | ||
972 | /* For file-error, make error message by concatenating | |
973 | all the data items. They are all strings. */ | |
974 | if (!NILP (file_error) && !NILP (tail)) | |
975 | errmsg = XCONS (tail)->car, tail = XCONS (tail)->cdr; | |
976 | ||
977 | if (STRINGP (errmsg)) | |
978 | Fprinc (errmsg, stream); | |
979 | else | |
980 | write_string_1 ("peculiar error", -1, stream); | |
981 | ||
982 | for (i = 0; CONSP (tail); tail = Fcdr (tail), i++) | |
983 | { | |
984 | write_string_1 (i ? ", " : ": ", 2, stream); | |
985 | if (!NILP (file_error)) | |
986 | Fprinc (Fcar (tail), stream); | |
987 | else | |
988 | Fprin1 (Fcar (tail), stream); | |
989 | } | |
990 | UNGCPRO; | |
991 | } | |
992 | \f | |
38010d50 JB |
993 | #ifdef LISP_FLOAT_TYPE |
994 | ||
38010d50 | 995 | /* |
edb2a707 | 996 | * The buffer should be at least as large as the max string size of the |
8e6208c5 | 997 | * largest float, printed in the biggest notation. This is undoubtedly |
38010d50 JB |
998 | * 20d float_output_format, with the negative of the C-constant "HUGE" |
999 | * from <math.h>. | |
1000 | * | |
1001 | * On the vax the worst case is -1e38 in 20d format which takes 61 bytes. | |
1002 | * | |
1003 | * I assume that IEEE-754 format numbers can take 329 bytes for the worst | |
1004 | * case of -1e307 in 20d float_output_format. What is one to do (short of | |
1005 | * re-writing _doprnt to be more sane)? | |
1006 | * -wsr | |
1007 | */ | |
edb2a707 RS |
1008 | |
1009 | void | |
1010 | float_to_string (buf, data) | |
8b24d146 | 1011 | unsigned char *buf; |
38010d50 JB |
1012 | double data; |
1013 | { | |
c7b14277 | 1014 | unsigned char *cp; |
322890c4 | 1015 | int width; |
38010d50 | 1016 | |
7f45de2d RS |
1017 | /* Check for plus infinity in a way that won't lose |
1018 | if there is no plus infinity. */ | |
1019 | if (data == data / 2 && data > 1.0) | |
1020 | { | |
1021 | strcpy (buf, "1.0e+INF"); | |
1022 | return; | |
1023 | } | |
1024 | /* Likewise for minus infinity. */ | |
1025 | if (data == data / 2 && data < -1.0) | |
1026 | { | |
1027 | strcpy (buf, "-1.0e+INF"); | |
1028 | return; | |
1029 | } | |
1030 | /* Check for NaN in a way that won't fail if there are no NaNs. */ | |
1031 | if (! (data * 0.0 >= 0.0)) | |
1032 | { | |
1033 | strcpy (buf, "0.0e+NaN"); | |
1034 | return; | |
1035 | } | |
1036 | ||
10eebdbb | 1037 | if (NILP (Vfloat_output_format) |
d4ae1f7e | 1038 | || !STRINGP (Vfloat_output_format)) |
38010d50 | 1039 | lose: |
322890c4 | 1040 | { |
f356c3fb PE |
1041 | /* Generate the fewest number of digits that represent the |
1042 | floating point value without losing information. | |
1043 | The following method is simple but a bit slow. | |
1044 | For ideas about speeding things up, please see: | |
1045 | ||
1046 | Guy L Steele Jr & Jon L White, How to print floating-point numbers | |
1047 | accurately. SIGPLAN notices 25, 6 (June 1990), 112-126. | |
1048 | ||
1049 | Robert G Burger & R Kent Dybvig, Printing floating point numbers | |
1050 | quickly and accurately, SIGPLAN notices 31, 5 (May 1996), 108-116. */ | |
1051 | ||
1052 | width = fabs (data) < DBL_MIN ? 1 : DBL_DIG; | |
1053 | do | |
1054 | sprintf (buf, "%.*g", width, data); | |
1055 | while (width++ < DOUBLE_DIGITS_BOUND && atof (buf) != data); | |
322890c4 | 1056 | } |
38010d50 JB |
1057 | else /* oink oink */ |
1058 | { | |
1059 | /* Check that the spec we have is fully valid. | |
1060 | This means not only valid for printf, | |
1061 | but meant for floats, and reasonable. */ | |
1062 | cp = XSTRING (Vfloat_output_format)->data; | |
1063 | ||
1064 | if (cp[0] != '%') | |
1065 | goto lose; | |
1066 | if (cp[1] != '.') | |
1067 | goto lose; | |
1068 | ||
1069 | cp += 2; | |
c7b14277 JB |
1070 | |
1071 | /* Check the width specification. */ | |
322890c4 | 1072 | width = -1; |
c7b14277 | 1073 | if ('0' <= *cp && *cp <= '9') |
381cd4bb KH |
1074 | { |
1075 | width = 0; | |
1076 | do | |
1077 | width = (width * 10) + (*cp++ - '0'); | |
1078 | while (*cp >= '0' && *cp <= '9'); | |
1079 | ||
1080 | /* A precision of zero is valid only for %f. */ | |
1081 | if (width > DBL_DIG | |
1082 | || (width == 0 && *cp != 'f')) | |
1083 | goto lose; | |
1084 | } | |
38010d50 JB |
1085 | |
1086 | if (*cp != 'e' && *cp != 'f' && *cp != 'g') | |
1087 | goto lose; | |
1088 | ||
38010d50 JB |
1089 | if (cp[1] != 0) |
1090 | goto lose; | |
1091 | ||
1092 | sprintf (buf, XSTRING (Vfloat_output_format)->data, data); | |
1093 | } | |
edb2a707 | 1094 | |
c7b14277 JB |
1095 | /* Make sure there is a decimal point with digit after, or an |
1096 | exponent, so that the value is readable as a float. But don't do | |
322890c4 RS |
1097 | this with "%.0f"; it's valid for that not to produce a decimal |
1098 | point. Note that width can be 0 only for %.0f. */ | |
1099 | if (width != 0) | |
0601fd3d | 1100 | { |
c7b14277 JB |
1101 | for (cp = buf; *cp; cp++) |
1102 | if ((*cp < '0' || *cp > '9') && *cp != '-') | |
1103 | break; | |
0601fd3d | 1104 | |
c7b14277 JB |
1105 | if (*cp == '.' && cp[1] == 0) |
1106 | { | |
1107 | cp[1] = '0'; | |
1108 | cp[2] = 0; | |
1109 | } | |
1110 | ||
1111 | if (*cp == 0) | |
1112 | { | |
1113 | *cp++ = '.'; | |
1114 | *cp++ = '0'; | |
1115 | *cp++ = 0; | |
1116 | } | |
edb2a707 | 1117 | } |
38010d50 JB |
1118 | } |
1119 | #endif /* LISP_FLOAT_TYPE */ | |
1120 | \f | |
1121 | static void | |
1122 | print (obj, printcharfun, escapeflag) | |
38010d50 | 1123 | Lisp_Object obj; |
38010d50 JB |
1124 | register Lisp_Object printcharfun; |
1125 | int escapeflag; | |
1126 | { | |
1127 | char buf[30]; | |
1128 | ||
1129 | QUIT; | |
1130 | ||
ec838c39 RS |
1131 | #if 1 /* I'm not sure this is really worth doing. */ |
1132 | /* Detect circularities and truncate them. | |
1133 | No need to offer any alternative--this is better than an error. */ | |
d4ae1f7e | 1134 | if (CONSP (obj) || VECTORP (obj) || COMPILEDP (obj)) |
ec838c39 RS |
1135 | { |
1136 | int i; | |
1137 | for (i = 0; i < print_depth; i++) | |
1138 | if (EQ (obj, being_printed[i])) | |
1139 | { | |
1140 | sprintf (buf, "#%d", i); | |
dc2a0b79 | 1141 | strout (buf, -1, -1, printcharfun, 0); |
ec838c39 RS |
1142 | return; |
1143 | } | |
1144 | } | |
1145 | #endif | |
1146 | ||
1147 | being_printed[print_depth] = obj; | |
38010d50 JB |
1148 | print_depth++; |
1149 | ||
ec838c39 | 1150 | if (print_depth > PRINT_CIRCLE) |
38010d50 JB |
1151 | error ("Apparently circular structure being printed"); |
1152 | #ifdef MAX_PRINT_CHARS | |
1153 | if (max_print && print_chars > max_print) | |
1154 | { | |
1155 | PRINTCHAR ('\n'); | |
1156 | print_chars = 0; | |
1157 | } | |
1158 | #endif /* MAX_PRINT_CHARS */ | |
1159 | ||
ca0569ad | 1160 | switch (XGCTYPE (obj)) |
38010d50 | 1161 | { |
ca0569ad | 1162 | case Lisp_Int: |
b8180922 RS |
1163 | if (sizeof (int) == sizeof (EMACS_INT)) |
1164 | sprintf (buf, "%d", XINT (obj)); | |
1165 | else if (sizeof (long) == sizeof (EMACS_INT)) | |
1166 | sprintf (buf, "%ld", XINT (obj)); | |
1167 | else | |
1168 | abort (); | |
dc2a0b79 | 1169 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1170 | break; |
1171 | ||
e0f93814 | 1172 | #ifdef LISP_FLOAT_TYPE |
ca0569ad RS |
1173 | case Lisp_Float: |
1174 | { | |
1175 | char pigbuf[350]; /* see comments in float_to_string */ | |
38010d50 | 1176 | |
ca0569ad | 1177 | float_to_string (pigbuf, XFLOAT(obj)->data); |
dc2a0b79 | 1178 | strout (pigbuf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1179 | } |
1180 | break; | |
e0f93814 | 1181 | #endif |
ca0569ad RS |
1182 | |
1183 | case Lisp_String: | |
38010d50 JB |
1184 | if (!escapeflag) |
1185 | print_string (obj, printcharfun); | |
1186 | else | |
1187 | { | |
dc2a0b79 | 1188 | register int i, i_byte; |
38010d50 | 1189 | register unsigned char c; |
38010d50 | 1190 | struct gcpro gcpro1; |
dc2a0b79 | 1191 | int size_byte; |
453fa987 RS |
1192 | /* 1 means we must ensure that the next character we output |
1193 | cannot be taken as part of a hex character escape. */ | |
1194 | int need_nonhex = 0; | |
38010d50 | 1195 | |
7651e1f5 RS |
1196 | GCPRO1 (obj); |
1197 | ||
1198 | #ifdef USE_TEXT_PROPERTIES | |
1199 | if (!NULL_INTERVAL_P (XSTRING (obj)->intervals)) | |
1200 | { | |
1201 | PRINTCHAR ('#'); | |
1202 | PRINTCHAR ('('); | |
1203 | } | |
1204 | #endif | |
38010d50 JB |
1205 | |
1206 | PRINTCHAR ('\"'); | |
fc932ac6 | 1207 | size_byte = STRING_BYTES (XSTRING (obj)); |
dc2a0b79 RS |
1208 | |
1209 | for (i = 0, i_byte = 0; i_byte < size_byte;) | |
38010d50 | 1210 | { |
6ddd6eee RS |
1211 | /* Here, we must convert each multi-byte form to the |
1212 | corresponding character code before handing it to PRINTCHAR. */ | |
1213 | int len; | |
dc2a0b79 RS |
1214 | int c; |
1215 | ||
1216 | if (STRING_MULTIBYTE (obj)) | |
1217 | FETCH_STRING_CHAR_ADVANCE (c, obj, i, i_byte); | |
1218 | else | |
1219 | c = XSTRING (obj)->data[i_byte++]; | |
1220 | ||
38010d50 | 1221 | QUIT; |
6ddd6eee | 1222 | |
38010d50 JB |
1223 | if (c == '\n' && print_escape_newlines) |
1224 | { | |
1225 | PRINTCHAR ('\\'); | |
1226 | PRINTCHAR ('n'); | |
1227 | } | |
c6f7982f RM |
1228 | else if (c == '\f' && print_escape_newlines) |
1229 | { | |
1230 | PRINTCHAR ('\\'); | |
1231 | PRINTCHAR ('f'); | |
1232 | } | |
974a6ff5 KH |
1233 | else if ((! SINGLE_BYTE_CHAR_P (c) |
1234 | && NILP (current_buffer->enable_multibyte_characters))) | |
dc2a0b79 RS |
1235 | { |
1236 | /* When multibyte is disabled, | |
1237 | print multibyte string chars using hex escapes. */ | |
1238 | unsigned char outbuf[50]; | |
1239 | sprintf (outbuf, "\\x%x", c); | |
1240 | strout (outbuf, -1, -1, printcharfun, 0); | |
453fa987 | 1241 | need_nonhex = 1; |
dc2a0b79 | 1242 | } |
974a6ff5 KH |
1243 | else if (SINGLE_BYTE_CHAR_P (c) |
1244 | && ! ASCII_BYTE_P (c) | |
1245 | && ! NILP (current_buffer->enable_multibyte_characters)) | |
1246 | { | |
1247 | /* When multibyte is enabled, | |
1248 | print single-byte non-ASCII string chars | |
1249 | using octal escapes. */ | |
1250 | unsigned char outbuf[5]; | |
1251 | sprintf (outbuf, "\\%03o", c); | |
1252 | strout (outbuf, -1, -1, printcharfun, 0); | |
1253 | } | |
38010d50 JB |
1254 | else |
1255 | { | |
453fa987 RS |
1256 | /* If we just had a hex escape, and this character |
1257 | could be taken as part of it, | |
1258 | output `\ ' to prevent that. */ | |
1b62edd6 KH |
1259 | if (need_nonhex) |
1260 | { | |
1261 | need_nonhex = 0; | |
1262 | if ((c >= 'a' && c <= 'f') | |
453fa987 | 1263 | || (c >= 'A' && c <= 'F') |
1b62edd6 KH |
1264 | || (c >= '0' && c <= '9')) |
1265 | strout ("\\ ", -1, -1, printcharfun, 0); | |
1266 | } | |
453fa987 | 1267 | |
38010d50 JB |
1268 | if (c == '\"' || c == '\\') |
1269 | PRINTCHAR ('\\'); | |
1270 | PRINTCHAR (c); | |
1271 | } | |
1272 | } | |
1273 | PRINTCHAR ('\"'); | |
7651e1f5 RS |
1274 | |
1275 | #ifdef USE_TEXT_PROPERTIES | |
1276 | if (!NULL_INTERVAL_P (XSTRING (obj)->intervals)) | |
1277 | { | |
7651e1f5 RS |
1278 | traverse_intervals (XSTRING (obj)->intervals, |
1279 | 0, 0, print_interval, printcharfun); | |
1280 | PRINTCHAR (')'); | |
1281 | } | |
1282 | #endif | |
1283 | ||
38010d50 JB |
1284 | UNGCPRO; |
1285 | } | |
ca0569ad | 1286 | break; |
38010d50 | 1287 | |
ca0569ad RS |
1288 | case Lisp_Symbol: |
1289 | { | |
1290 | register int confusing; | |
1291 | register unsigned char *p = XSYMBOL (obj)->name->data; | |
fc932ac6 | 1292 | register unsigned char *end = p + STRING_BYTES (XSYMBOL (obj)->name); |
2190a05e | 1293 | register int c; |
dc2a0b79 RS |
1294 | int i, i_byte, size_byte; |
1295 | Lisp_Object name; | |
1296 | ||
1297 | XSETSTRING (name, XSYMBOL (obj)->name); | |
ca0569ad RS |
1298 | |
1299 | if (p != end && (*p == '-' || *p == '+')) p++; | |
1300 | if (p == end) | |
1301 | confusing = 0; | |
d27497e3 RS |
1302 | /* If symbol name begins with a digit, and ends with a digit, |
1303 | and contains nothing but digits and `e', it could be treated | |
1304 | as a number. So set CONFUSING. | |
1305 | ||
1306 | Symbols that contain periods could also be taken as numbers, | |
1307 | but periods are always escaped, so we don't have to worry | |
1308 | about them here. */ | |
1309 | else if (*p >= '0' && *p <= '9' | |
1310 | && end[-1] >= '0' && end[-1] <= '9') | |
ca0569ad | 1311 | { |
e837058b RS |
1312 | while (p != end && ((*p >= '0' && *p <= '9') |
1313 | /* Needed for \2e10. */ | |
1314 | || *p == 'e')) | |
ca0569ad RS |
1315 | p++; |
1316 | confusing = (end == p); | |
1317 | } | |
d27497e3 RS |
1318 | else |
1319 | confusing = 0; | |
ca0569ad | 1320 | |
081e0581 EN |
1321 | /* If we print an uninterned symbol as part of a complex object and |
1322 | the flag print-gensym is non-nil, prefix it with #n= to read the | |
1323 | object back with the #n# reader syntax later if needed. */ | |
e0f69431 | 1324 | if (! NILP (Vprint_gensym) && NILP (XSYMBOL (obj)->obarray)) |
081e0581 EN |
1325 | { |
1326 | if (print_depth > 1) | |
1327 | { | |
1328 | Lisp_Object tem; | |
e0f69431 | 1329 | tem = Fassq (obj, Vprint_gensym_alist); |
081e0581 EN |
1330 | if (CONSP (tem)) |
1331 | { | |
1332 | PRINTCHAR ('#'); | |
1333 | print (XCDR (tem), printcharfun, escapeflag); | |
1334 | PRINTCHAR ('#'); | |
1335 | break; | |
1336 | } | |
1337 | else | |
1338 | { | |
e0f69431 RS |
1339 | if (CONSP (Vprint_gensym_alist)) |
1340 | XSETFASTINT (tem, XFASTINT (XCDR (XCAR (Vprint_gensym_alist))) + 1); | |
081e0581 EN |
1341 | else |
1342 | XSETFASTINT (tem, 1); | |
e0f69431 | 1343 | Vprint_gensym_alist = Fcons (Fcons (obj, tem), Vprint_gensym_alist); |
081e0581 EN |
1344 | |
1345 | PRINTCHAR ('#'); | |
1346 | print (tem, printcharfun, escapeflag); | |
1347 | PRINTCHAR ('='); | |
1348 | } | |
1349 | } | |
1350 | PRINTCHAR ('#'); | |
1351 | PRINTCHAR (':'); | |
1352 | } | |
1353 | ||
fc932ac6 | 1354 | size_byte = STRING_BYTES (XSTRING (name)); |
dc2a0b79 RS |
1355 | |
1356 | for (i = 0, i_byte = 0; i_byte < size_byte;) | |
ca0569ad | 1357 | { |
6ddd6eee RS |
1358 | /* Here, we must convert each multi-byte form to the |
1359 | corresponding character code before handing it to PRINTCHAR. */ | |
dc2a0b79 RS |
1360 | |
1361 | if (STRING_MULTIBYTE (name)) | |
1362 | FETCH_STRING_CHAR_ADVANCE (c, name, i, i_byte); | |
1363 | else | |
1364 | c = XSTRING (name)->data[i_byte++]; | |
1365 | ||
ca0569ad | 1366 | QUIT; |
09eddb56 | 1367 | |
ca0569ad RS |
1368 | if (escapeflag) |
1369 | { | |
09eddb56 RS |
1370 | if (c == '\"' || c == '\\' || c == '\'' |
1371 | || c == ';' || c == '#' || c == '(' || c == ')' | |
1372 | || c == ',' || c =='.' || c == '`' | |
1373 | || c == '[' || c == ']' || c == '?' || c <= 040 | |
1374 | || confusing) | |
ca0569ad RS |
1375 | PRINTCHAR ('\\'), confusing = 0; |
1376 | } | |
1377 | PRINTCHAR (c); | |
1378 | } | |
1379 | } | |
1380 | break; | |
1381 | ||
1382 | case Lisp_Cons: | |
38010d50 | 1383 | /* If deeper than spec'd depth, print placeholder. */ |
d4ae1f7e | 1384 | if (INTEGERP (Vprint_level) |
38010d50 | 1385 | && print_depth > XINT (Vprint_level)) |
dc2a0b79 | 1386 | strout ("...", -1, -1, printcharfun, 0); |
2f100b5c EN |
1387 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) |
1388 | && (EQ (XCAR (obj), Qquote))) | |
1389 | { | |
1390 | PRINTCHAR ('\''); | |
1391 | print (XCAR (XCDR (obj)), printcharfun, escapeflag); | |
1392 | } | |
1393 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) | |
1394 | && (EQ (XCAR (obj), Qfunction))) | |
1395 | { | |
1396 | PRINTCHAR ('#'); | |
1397 | PRINTCHAR ('\''); | |
1398 | print (XCAR (XCDR (obj)), printcharfun, escapeflag); | |
1399 | } | |
1400 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) | |
1401 | && ((EQ (XCAR (obj), Qbackquote) | |
1402 | || EQ (XCAR (obj), Qcomma) | |
1403 | || EQ (XCAR (obj), Qcomma_at) | |
1404 | || EQ (XCAR (obj), Qcomma_dot)))) | |
1405 | { | |
1406 | print (XCAR (obj), printcharfun, 0); | |
1407 | print (XCAR (XCDR (obj)), printcharfun, escapeflag); | |
1408 | } | |
e0f93814 | 1409 | else |
38010d50 | 1410 | { |
e0f93814 | 1411 | PRINTCHAR ('('); |
38010d50 | 1412 | { |
e0f93814 | 1413 | register int i = 0; |
f4fe72d5 | 1414 | register int print_length = 0; |
e0f93814 KH |
1415 | |
1416 | if (INTEGERP (Vprint_length)) | |
f4fe72d5 | 1417 | print_length = XINT (Vprint_length); |
e0f93814 KH |
1418 | /* Could recognize circularities in cdrs here, |
1419 | but that would make printing of long lists quadratic. | |
1420 | It's not worth doing. */ | |
1421 | while (CONSP (obj)) | |
38010d50 | 1422 | { |
e0f93814 KH |
1423 | if (i++) |
1424 | PRINTCHAR (' '); | |
f4fe72d5 | 1425 | if (print_length && i > print_length) |
e0f93814 | 1426 | { |
dc2a0b79 | 1427 | strout ("...", 3, 3, printcharfun, 0); |
e0f93814 KH |
1428 | break; |
1429 | } | |
2f100b5c EN |
1430 | print (XCAR (obj), printcharfun, escapeflag); |
1431 | obj = XCDR (obj); | |
38010d50 | 1432 | } |
38010d50 | 1433 | } |
2f100b5c | 1434 | if (!NILP (obj)) |
e0f93814 | 1435 | { |
dc2a0b79 | 1436 | strout (" . ", 3, 3, printcharfun, 0); |
e0f93814 KH |
1437 | print (obj, printcharfun, escapeflag); |
1438 | } | |
1439 | PRINTCHAR (')'); | |
38010d50 | 1440 | } |
ca0569ad RS |
1441 | break; |
1442 | ||
1443 | case Lisp_Vectorlike: | |
1444 | if (PROCESSP (obj)) | |
1445 | { | |
1446 | if (escapeflag) | |
1447 | { | |
dc2a0b79 | 1448 | strout ("#<process ", -1, -1, printcharfun, 0); |
ca0569ad RS |
1449 | print_string (XPROCESS (obj)->name, printcharfun); |
1450 | PRINTCHAR ('>'); | |
1451 | } | |
1452 | else | |
1453 | print_string (XPROCESS (obj)->name, printcharfun); | |
1454 | } | |
ed2c35ef RS |
1455 | else if (BOOL_VECTOR_P (obj)) |
1456 | { | |
1457 | register int i; | |
1458 | register unsigned char c; | |
1459 | struct gcpro gcpro1; | |
ed2c35ef | 1460 | int size_in_chars |
1bad7c59 | 1461 | = (XBOOL_VECTOR (obj)->size + BITS_PER_CHAR - 1) / BITS_PER_CHAR; |
ed2c35ef RS |
1462 | |
1463 | GCPRO1 (obj); | |
1464 | ||
1465 | PRINTCHAR ('#'); | |
1466 | PRINTCHAR ('&'); | |
1467 | sprintf (buf, "%d", XBOOL_VECTOR (obj)->size); | |
dc2a0b79 | 1468 | strout (buf, -1, -1, printcharfun, 0); |
ed2c35ef | 1469 | PRINTCHAR ('\"'); |
a40384bc RS |
1470 | |
1471 | /* Don't print more characters than the specified maximum. */ | |
1472 | if (INTEGERP (Vprint_length) | |
1473 | && XINT (Vprint_length) < size_in_chars) | |
1474 | size_in_chars = XINT (Vprint_length); | |
1475 | ||
ed2c35ef RS |
1476 | for (i = 0; i < size_in_chars; i++) |
1477 | { | |
1478 | QUIT; | |
1479 | c = XBOOL_VECTOR (obj)->data[i]; | |
1480 | if (c == '\n' && print_escape_newlines) | |
1481 | { | |
1482 | PRINTCHAR ('\\'); | |
1483 | PRINTCHAR ('n'); | |
1484 | } | |
1485 | else if (c == '\f' && print_escape_newlines) | |
1486 | { | |
1487 | PRINTCHAR ('\\'); | |
1488 | PRINTCHAR ('f'); | |
1489 | } | |
1490 | else | |
1491 | { | |
1492 | if (c == '\"' || c == '\\') | |
1493 | PRINTCHAR ('\\'); | |
1494 | PRINTCHAR (c); | |
1495 | } | |
1496 | } | |
1497 | PRINTCHAR ('\"'); | |
1498 | ||
1499 | UNGCPRO; | |
1500 | } | |
ca0569ad RS |
1501 | else if (SUBRP (obj)) |
1502 | { | |
dc2a0b79 RS |
1503 | strout ("#<subr ", -1, -1, printcharfun, 0); |
1504 | strout (XSUBR (obj)->symbol_name, -1, -1, printcharfun, 0); | |
ca0569ad RS |
1505 | PRINTCHAR ('>'); |
1506 | } | |
1507 | #ifndef standalone | |
1508 | else if (WINDOWP (obj)) | |
1509 | { | |
dc2a0b79 | 1510 | strout ("#<window ", -1, -1, printcharfun, 0); |
ca0569ad | 1511 | sprintf (buf, "%d", XFASTINT (XWINDOW (obj)->sequence_number)); |
dc2a0b79 | 1512 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1513 | if (!NILP (XWINDOW (obj)->buffer)) |
1514 | { | |
dc2a0b79 | 1515 | strout (" on ", -1, -1, printcharfun, 0); |
ca0569ad RS |
1516 | print_string (XBUFFER (XWINDOW (obj)->buffer)->name, printcharfun); |
1517 | } | |
1518 | PRINTCHAR ('>'); | |
1519 | } | |
908b0ae5 RS |
1520 | else if (BUFFERP (obj)) |
1521 | { | |
1522 | if (NILP (XBUFFER (obj)->name)) | |
dc2a0b79 | 1523 | strout ("#<killed buffer>", -1, -1, printcharfun, 0); |
908b0ae5 RS |
1524 | else if (escapeflag) |
1525 | { | |
dc2a0b79 | 1526 | strout ("#<buffer ", -1, -1, printcharfun, 0); |
908b0ae5 RS |
1527 | print_string (XBUFFER (obj)->name, printcharfun); |
1528 | PRINTCHAR ('>'); | |
1529 | } | |
1530 | else | |
1531 | print_string (XBUFFER (obj)->name, printcharfun); | |
1532 | } | |
ca0569ad RS |
1533 | else if (WINDOW_CONFIGURATIONP (obj)) |
1534 | { | |
dc2a0b79 | 1535 | strout ("#<window-configuration>", -1, -1, printcharfun, 0); |
ca0569ad | 1536 | } |
ca0569ad RS |
1537 | else if (FRAMEP (obj)) |
1538 | { | |
1539 | strout ((FRAME_LIVE_P (XFRAME (obj)) | |
1540 | ? "#<frame " : "#<dead frame "), | |
dc2a0b79 | 1541 | -1, -1, printcharfun, 0); |
ca0569ad | 1542 | print_string (XFRAME (obj)->name, printcharfun); |
dc2a0b79 RS |
1543 | sprintf (buf, " 0x%lx\\ ", (unsigned long) (XFRAME (obj))); |
1544 | strout (buf, -1, -1, printcharfun, 0); | |
ca0569ad RS |
1545 | PRINTCHAR ('>'); |
1546 | } | |
ca0569ad RS |
1547 | #endif /* not standalone */ |
1548 | else | |
1549 | { | |
1550 | int size = XVECTOR (obj)->size; | |
1551 | if (COMPILEDP (obj)) | |
1552 | { | |
1553 | PRINTCHAR ('#'); | |
1554 | size &= PSEUDOVECTOR_SIZE_MASK; | |
1555 | } | |
ed2c35ef RS |
1556 | if (CHAR_TABLE_P (obj)) |
1557 | { | |
1558 | /* We print a char-table as if it were a vector, | |
1559 | lumping the parent and default slots in with the | |
1560 | character slots. But we add #^ as a prefix. */ | |
1561 | PRINTCHAR ('#'); | |
1562 | PRINTCHAR ('^'); | |
3701b5de KH |
1563 | if (SUB_CHAR_TABLE_P (obj)) |
1564 | PRINTCHAR ('^'); | |
ed2c35ef RS |
1565 | size &= PSEUDOVECTOR_SIZE_MASK; |
1566 | } | |
00d76abc KH |
1567 | if (size & PSEUDOVECTOR_FLAG) |
1568 | goto badtype; | |
ca0569ad RS |
1569 | |
1570 | PRINTCHAR ('['); | |
38010d50 | 1571 | { |
ca0569ad RS |
1572 | register int i; |
1573 | register Lisp_Object tem; | |
a40384bc RS |
1574 | |
1575 | /* Don't print more elements than the specified maximum. */ | |
1576 | if (INTEGERP (Vprint_length) | |
1577 | && XINT (Vprint_length) < size) | |
1578 | size = XINT (Vprint_length); | |
1579 | ||
ca0569ad RS |
1580 | for (i = 0; i < size; i++) |
1581 | { | |
1582 | if (i) PRINTCHAR (' '); | |
1583 | tem = XVECTOR (obj)->contents[i]; | |
1584 | print (tem, printcharfun, escapeflag); | |
1585 | } | |
38010d50 | 1586 | } |
ca0569ad RS |
1587 | PRINTCHAR (']'); |
1588 | } | |
1589 | break; | |
1590 | ||
38010d50 | 1591 | #ifndef standalone |
ca0569ad | 1592 | case Lisp_Misc: |
5db20f08 | 1593 | switch (XMISCTYPE (obj)) |
38010d50 | 1594 | { |
00d76abc | 1595 | case Lisp_Misc_Marker: |
dc2a0b79 | 1596 | strout ("#<marker ", -1, -1, printcharfun, 0); |
087e3c46 KH |
1597 | /* Do you think this is necessary? */ |
1598 | if (XMARKER (obj)->insertion_type != 0) | |
dc2a0b79 | 1599 | strout ("(before-insertion) ", -1, -1, printcharfun, 0); |
ca0569ad | 1600 | if (!(XMARKER (obj)->buffer)) |
dc2a0b79 | 1601 | strout ("in no buffer", -1, -1, printcharfun, 0); |
ca0569ad RS |
1602 | else |
1603 | { | |
1604 | sprintf (buf, "at %d", marker_position (obj)); | |
dc2a0b79 RS |
1605 | strout (buf, -1, -1, printcharfun, 0); |
1606 | strout (" in ", -1, -1, printcharfun, 0); | |
ca0569ad RS |
1607 | print_string (XMARKER (obj)->buffer->name, printcharfun); |
1608 | } | |
38010d50 | 1609 | PRINTCHAR ('>'); |
908b0ae5 | 1610 | break; |
00d76abc KH |
1611 | |
1612 | case Lisp_Misc_Overlay: | |
dc2a0b79 | 1613 | strout ("#<overlay ", -1, -1, printcharfun, 0); |
ca0569ad | 1614 | if (!(XMARKER (OVERLAY_START (obj))->buffer)) |
dc2a0b79 | 1615 | strout ("in no buffer", -1, -1, printcharfun, 0); |
ca0569ad RS |
1616 | else |
1617 | { | |
1618 | sprintf (buf, "from %d to %d in ", | |
1619 | marker_position (OVERLAY_START (obj)), | |
1620 | marker_position (OVERLAY_END (obj))); | |
dc2a0b79 | 1621 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1622 | print_string (XMARKER (OVERLAY_START (obj))->buffer->name, |
1623 | printcharfun); | |
1624 | } | |
1625 | PRINTCHAR ('>'); | |
908b0ae5 | 1626 | break; |
00d76abc KH |
1627 | |
1628 | /* Remaining cases shouldn't happen in normal usage, but let's print | |
1629 | them anyway for the benefit of the debugger. */ | |
1630 | case Lisp_Misc_Free: | |
dc2a0b79 | 1631 | strout ("#<misc free cell>", -1, -1, printcharfun, 0); |
00d76abc KH |
1632 | break; |
1633 | ||
1634 | case Lisp_Misc_Intfwd: | |
1635 | sprintf (buf, "#<intfwd to %d>", *XINTFWD (obj)->intvar); | |
dc2a0b79 | 1636 | strout (buf, -1, -1, printcharfun, 0); |
00d76abc KH |
1637 | break; |
1638 | ||
1639 | case Lisp_Misc_Boolfwd: | |
1640 | sprintf (buf, "#<boolfwd to %s>", | |
1641 | (*XBOOLFWD (obj)->boolvar ? "t" : "nil")); | |
dc2a0b79 | 1642 | strout (buf, -1, -1, printcharfun, 0); |
00d76abc KH |
1643 | break; |
1644 | ||
1645 | case Lisp_Misc_Objfwd: | |
dc2a0b79 | 1646 | strout ("#<objfwd to ", -1, -1, printcharfun, 0); |
00d76abc KH |
1647 | print (*XOBJFWD (obj)->objvar, printcharfun, escapeflag); |
1648 | PRINTCHAR ('>'); | |
1649 | break; | |
1650 | ||
1651 | case Lisp_Misc_Buffer_Objfwd: | |
dc2a0b79 | 1652 | strout ("#<buffer_objfwd to ", -1, -1, printcharfun, 0); |
3ac613c1 KH |
1653 | print (*(Lisp_Object *)((char *)current_buffer |
1654 | + XBUFFER_OBJFWD (obj)->offset), | |
1655 | printcharfun, escapeflag); | |
1656 | PRINTCHAR ('>'); | |
1657 | break; | |
1658 | ||
fb917148 | 1659 | case Lisp_Misc_Kboard_Objfwd: |
dc2a0b79 | 1660 | strout ("#<kboard_objfwd to ", -1, -1, printcharfun, 0); |
fb917148 KH |
1661 | print (*(Lisp_Object *)((char *) current_kboard |
1662 | + XKBOARD_OBJFWD (obj)->offset), | |
7ae137a9 | 1663 | printcharfun, escapeflag); |
00d76abc KH |
1664 | PRINTCHAR ('>'); |
1665 | break; | |
1666 | ||
1667 | case Lisp_Misc_Buffer_Local_Value: | |
dc2a0b79 | 1668 | strout ("#<buffer_local_value ", -1, -1, printcharfun, 0); |
00d76abc KH |
1669 | goto do_buffer_local; |
1670 | case Lisp_Misc_Some_Buffer_Local_Value: | |
dc2a0b79 | 1671 | strout ("#<some_buffer_local_value ", -1, -1, printcharfun, 0); |
00d76abc | 1672 | do_buffer_local: |
dc2a0b79 | 1673 | strout ("[realvalue] ", -1, -1, printcharfun, 0); |
03153771 RS |
1674 | print (XBUFFER_LOCAL_VALUE (obj)->realvalue, printcharfun, escapeflag); |
1675 | if (XBUFFER_LOCAL_VALUE (obj)->found_for_buffer) | |
1676 | strout ("[local in buffer] ", -1, -1, printcharfun, 0); | |
1677 | else | |
1678 | strout ("[buffer] ", -1, -1, printcharfun, 0); | |
1679 | print (XBUFFER_LOCAL_VALUE (obj)->buffer, | |
00d76abc | 1680 | printcharfun, escapeflag); |
03153771 RS |
1681 | if (XBUFFER_LOCAL_VALUE (obj)->check_frame) |
1682 | { | |
1683 | if (XBUFFER_LOCAL_VALUE (obj)->found_for_frame) | |
1684 | strout ("[local in frame] ", -1, -1, printcharfun, 0); | |
1685 | else | |
1686 | strout ("[frame] ", -1, -1, printcharfun, 0); | |
1687 | print (XBUFFER_LOCAL_VALUE (obj)->frame, | |
1688 | printcharfun, escapeflag); | |
1689 | } | |
dc2a0b79 | 1690 | strout ("[alist-elt] ", -1, -1, printcharfun, 0); |
03153771 | 1691 | print (XCONS (XBUFFER_LOCAL_VALUE (obj)->cdr)->car, |
00d76abc | 1692 | printcharfun, escapeflag); |
dc2a0b79 | 1693 | strout ("[default-value] ", -1, -1, printcharfun, 0); |
03153771 | 1694 | print (XCONS (XBUFFER_LOCAL_VALUE (obj)->cdr)->cdr, |
00d76abc KH |
1695 | printcharfun, escapeflag); |
1696 | PRINTCHAR ('>'); | |
1697 | break; | |
1698 | ||
1699 | default: | |
1700 | goto badtype; | |
e0f93814 | 1701 | } |
00d76abc | 1702 | break; |
38010d50 | 1703 | #endif /* standalone */ |
ca0569ad RS |
1704 | |
1705 | default: | |
00d76abc | 1706 | badtype: |
ca0569ad RS |
1707 | { |
1708 | /* We're in trouble if this happens! | |
1709 | Probably should just abort () */ | |
dc2a0b79 | 1710 | strout ("#<EMACS BUG: INVALID DATATYPE ", -1, -1, printcharfun, 0); |
00d76abc | 1711 | if (MISCP (obj)) |
5db20f08 | 1712 | sprintf (buf, "(MISC 0x%04x)", (int) XMISCTYPE (obj)); |
00d76abc KH |
1713 | else if (VECTORLIKEP (obj)) |
1714 | sprintf (buf, "(PVEC 0x%08x)", (int) XVECTOR (obj)->size); | |
1715 | else | |
1716 | sprintf (buf, "(0x%02x)", (int) XTYPE (obj)); | |
dc2a0b79 | 1717 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad | 1718 | strout (" Save your buffers immediately and please report this bug>", |
dc2a0b79 | 1719 | -1, -1, printcharfun, 0); |
ca0569ad | 1720 | } |
38010d50 JB |
1721 | } |
1722 | ||
1723 | print_depth--; | |
1724 | } | |
1725 | \f | |
7651e1f5 RS |
1726 | #ifdef USE_TEXT_PROPERTIES |
1727 | ||
1728 | /* Print a description of INTERVAL using PRINTCHARFUN. | |
1729 | This is part of printing a string that has text properties. */ | |
1730 | ||
1731 | void | |
1732 | print_interval (interval, printcharfun) | |
1733 | INTERVAL interval; | |
1734 | Lisp_Object printcharfun; | |
1735 | { | |
30503c0b | 1736 | PRINTCHAR (' '); |
7651e1f5 RS |
1737 | print (make_number (interval->position), printcharfun, 1); |
1738 | PRINTCHAR (' '); | |
1739 | print (make_number (interval->position + LENGTH (interval)), | |
1740 | printcharfun, 1); | |
1741 | PRINTCHAR (' '); | |
1742 | print (interval->plist, printcharfun, 1); | |
7651e1f5 RS |
1743 | } |
1744 | ||
1745 | #endif /* USE_TEXT_PROPERTIES */ | |
1746 | \f | |
38010d50 JB |
1747 | void |
1748 | syms_of_print () | |
1749 | { | |
38010d50 JB |
1750 | DEFVAR_LISP ("standard-output", &Vstandard_output, |
1751 | "Output stream `print' uses by default for outputting a character.\n\ | |
1752 | This may be any function of one argument.\n\ | |
1753 | It may also be a buffer (output is inserted before point)\n\ | |
1754 | or a marker (output is inserted and the marker is advanced)\n\ | |
113620cc | 1755 | or the symbol t (output appears in the echo area)."); |
38010d50 JB |
1756 | Vstandard_output = Qt; |
1757 | Qstandard_output = intern ("standard-output"); | |
1758 | staticpro (&Qstandard_output); | |
1759 | ||
1760 | #ifdef LISP_FLOAT_TYPE | |
1761 | DEFVAR_LISP ("float-output-format", &Vfloat_output_format, | |
06ef7355 | 1762 | "The format descriptor string used to print floats.\n\ |
38010d50 JB |
1763 | This is a %-spec like those accepted by `printf' in C,\n\ |
1764 | but with some restrictions. It must start with the two characters `%.'.\n\ | |
1765 | After that comes an integer precision specification,\n\ | |
1766 | and then a letter which controls the format.\n\ | |
1767 | The letters allowed are `e', `f' and `g'.\n\ | |
1768 | Use `e' for exponential notation \"DIG.DIGITSeEXPT\"\n\ | |
1769 | Use `f' for decimal point notation \"DIGITS.DIGITS\".\n\ | |
1770 | Use `g' to choose the shorter of those two formats for the number at hand.\n\ | |
1771 | The precision in any of these cases is the number of digits following\n\ | |
1772 | the decimal point. With `f', a precision of 0 means to omit the\n\ | |
c7b14277 | 1773 | decimal point. 0 is not allowed with `e' or `g'.\n\n\ |
f356c3fb PE |
1774 | A value of nil means to use the shortest notation\n\ |
1775 | that represents the number without losing information."); | |
38010d50 JB |
1776 | Vfloat_output_format = Qnil; |
1777 | Qfloat_output_format = intern ("float-output-format"); | |
1778 | staticpro (&Qfloat_output_format); | |
1779 | #endif /* LISP_FLOAT_TYPE */ | |
1780 | ||
1781 | DEFVAR_LISP ("print-length", &Vprint_length, | |
aa734e17 | 1782 | "Maximum length of list to print before abbreviating.\n\ |
38010d50 JB |
1783 | A value of nil means no limit."); |
1784 | Vprint_length = Qnil; | |
1785 | ||
1786 | DEFVAR_LISP ("print-level", &Vprint_level, | |
aa734e17 | 1787 | "Maximum depth of list nesting to print before abbreviating.\n\ |
38010d50 JB |
1788 | A value of nil means no limit."); |
1789 | Vprint_level = Qnil; | |
1790 | ||
1791 | DEFVAR_BOOL ("print-escape-newlines", &print_escape_newlines, | |
a8920a17 | 1792 | "Non-nil means print newlines in strings as backslash-n.\n\ |
c6f7982f | 1793 | Also print formfeeds as backslash-f."); |
38010d50 JB |
1794 | print_escape_newlines = 0; |
1795 | ||
2f100b5c EN |
1796 | DEFVAR_BOOL ("print-quoted", &print_quoted, |
1797 | "Non-nil means print quoted forms with reader syntax.\n\ | |
1798 | I.e., (quote foo) prints as 'foo, (function foo) as #'foo, and, backquoted\n\ | |
1799 | forms print in the new syntax."); | |
1800 | print_quoted = 0; | |
1801 | ||
e0f69431 | 1802 | DEFVAR_LISP ("print-gensym", &Vprint_gensym, |
081e0581 | 1803 | "Non-nil means print uninterned symbols so they will read as uninterned.\n\ |
265375e7 | 1804 | I.e., the value of (make-symbol \"foobar\") prints as #:foobar.\n\ |
e0f69431 RS |
1805 | When the uninterned symbol appears within a larger data structure,\n\ |
1806 | in addition use the #...# and #...= constructs as needed,\n\ | |
1807 | so that multiple references to the same symbol are shared once again\n\ | |
1808 | when the text is read back.\n\ | |
1809 | \n\ | |
1810 | If the value of `print-gensym' is a cons cell, then in addition refrain from\n\ | |
1811 | clearing `print-gensym-alist' on entry to and exit from printing functions,\n\ | |
1812 | so that the use of #...# and #...= can carry over for several separately\n\ | |
1813 | printed objects."); | |
1814 | Vprint_gensym = Qnil; | |
1815 | ||
1816 | DEFVAR_LISP ("print-gensym-alist", &Vprint_gensym_alist, | |
1817 | "Association list of elements (GENSYM . N) to guide use of #N# and #N=.\n\ | |
1818 | In each element, GENSYM is an uninterned symbol that has been associated\n\ | |
1819 | with #N= for the specified value of N."); | |
1820 | Vprint_gensym_alist = Qnil; | |
081e0581 | 1821 | |
38010d50 JB |
1822 | /* prin1_to_string_buffer initialized in init_buffer_once in buffer.c */ |
1823 | staticpro (&Vprin1_to_string_buffer); | |
1824 | ||
1825 | defsubr (&Sprin1); | |
1826 | defsubr (&Sprin1_to_string); | |
113620cc | 1827 | defsubr (&Serror_message_string); |
38010d50 JB |
1828 | defsubr (&Sprinc); |
1829 | defsubr (&Sprint); | |
1830 | defsubr (&Sterpri); | |
1831 | defsubr (&Swrite_char); | |
1832 | defsubr (&Sexternal_debugging_output); | |
1833 | ||
1834 | Qexternal_debugging_output = intern ("external-debugging-output"); | |
1835 | staticpro (&Qexternal_debugging_output); | |
1836 | ||
2f100b5c EN |
1837 | Qprint_escape_newlines = intern ("print-escape-newlines"); |
1838 | staticpro (&Qprint_escape_newlines); | |
1839 | ||
38010d50 JB |
1840 | #ifndef standalone |
1841 | defsubr (&Swith_output_to_temp_buffer); | |
1842 | #endif /* not standalone */ | |
1843 | } |