Commit | Line | Data |
---|---|---|
38010d50 | 1 | /* Lisp object printing and output streams. |
26a59e42 | 2 | Copyright (C) 1985, 86, 88, 93, 94, 95, 97, 98, 1999, 2000, 01, 2003 |
9dffd511 | 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 | 25 | #include "lisp.h" |
38010d50 | 26 | #include "buffer.h" |
087e3c46 | 27 | #include "charset.h" |
2538fae4 | 28 | #include "keyboard.h" |
0137dbf7 | 29 | #include "frame.h" |
38010d50 JB |
30 | #include "window.h" |
31 | #include "process.h" | |
32 | #include "dispextern.h" | |
33 | #include "termchar.h" | |
7651e1f5 | 34 | #include "intervals.h" |
7651e1f5 | 35 | |
38010d50 JB |
36 | Lisp_Object Vstandard_output, Qstandard_output; |
37 | ||
d9c21094 RS |
38 | Lisp_Object Qtemp_buffer_setup_hook; |
39 | ||
2f100b5c EN |
40 | /* These are used to print like we read. */ |
41 | extern Lisp_Object Qbackquote, Qcomma, Qcomma_at, Qcomma_dot, Qfunction; | |
42 | ||
38010d50 | 43 | Lisp_Object Vfloat_output_format, Qfloat_output_format; |
f356c3fb PE |
44 | |
45 | /* Work around a problem that happens because math.h on hpux 7 | |
46 | defines two static variables--which, in Emacs, are not really static, | |
47 | because `static' is defined as nothing. The problem is that they are | |
48 | defined both here and in lread.c. | |
49 | These macros prevent the name conflict. */ | |
50 | #if defined (HPUX) && !defined (HPUX8) | |
51 | #define _MAXLDBL print_maxldbl | |
52 | #define _NMAXLDBL print_nmaxldbl | |
53 | #endif | |
54 | ||
55 | #include <math.h> | |
56 | ||
57 | #if STDC_HEADERS | |
58 | #include <float.h> | |
f356c3fb PE |
59 | #endif |
60 | ||
61 | /* Default to values appropriate for IEEE floating point. */ | |
62 | #ifndef FLT_RADIX | |
63 | #define FLT_RADIX 2 | |
64 | #endif | |
65 | #ifndef DBL_MANT_DIG | |
66 | #define DBL_MANT_DIG 53 | |
67 | #endif | |
68 | #ifndef DBL_DIG | |
69 | #define DBL_DIG 15 | |
70 | #endif | |
b0a1044b PE |
71 | #ifndef DBL_MIN |
72 | #define DBL_MIN 2.2250738585072014e-308 | |
73 | #endif | |
74 | ||
75 | #ifdef DBL_MIN_REPLACEMENT | |
76 | #undef DBL_MIN | |
77 | #define DBL_MIN DBL_MIN_REPLACEMENT | |
78 | #endif | |
f356c3fb PE |
79 | |
80 | /* Define DOUBLE_DIGITS_BOUND, an upper bound on the number of decimal digits | |
81 | needed to express a float without losing information. | |
82 | The general-case formula is valid for the usual case, IEEE floating point, | |
83 | but many compilers can't optimize the formula to an integer constant, | |
84 | so make a special case for it. */ | |
85 | #if FLT_RADIX == 2 && DBL_MANT_DIG == 53 | |
86 | #define DOUBLE_DIGITS_BOUND 17 /* IEEE floating point */ | |
87 | #else | |
88 | #define DOUBLE_DIGITS_BOUND ((int) ceil (log10 (pow (FLT_RADIX, DBL_MANT_DIG)))) | |
89 | #endif | |
90 | ||
38010d50 JB |
91 | /* Avoid actual stack overflow in print. */ |
92 | int print_depth; | |
93 | ||
0330bb60 RS |
94 | /* Nonzero if inside outputting backquote in old style. */ |
95 | int old_backquote_output; | |
96 | ||
ec838c39 RS |
97 | /* Detect most circularities to print finite output. */ |
98 | #define PRINT_CIRCLE 200 | |
99 | Lisp_Object being_printed[PRINT_CIRCLE]; | |
100 | ||
6fec5601 RS |
101 | /* When printing into a buffer, first we put the text in this |
102 | block, then insert it all at once. */ | |
103 | char *print_buffer; | |
104 | ||
105 | /* Size allocated in print_buffer. */ | |
106 | int print_buffer_size; | |
dc2a0b79 | 107 | /* Chars stored in print_buffer. */ |
6fec5601 | 108 | int print_buffer_pos; |
dc2a0b79 RS |
109 | /* Bytes stored in print_buffer. */ |
110 | int print_buffer_pos_byte; | |
6fec5601 | 111 | |
38010d50 JB |
112 | /* Maximum length of list to print in full; noninteger means |
113 | effectively infinity */ | |
114 | ||
115 | Lisp_Object Vprint_length; | |
116 | ||
117 | /* Maximum depth of list to print in full; noninteger means | |
118 | effectively infinity. */ | |
119 | ||
120 | Lisp_Object Vprint_level; | |
121 | ||
122 | /* Nonzero means print newlines in strings as \n. */ | |
123 | ||
124 | int print_escape_newlines; | |
125 | ||
38940e93 RS |
126 | /* Nonzero means to print single-byte non-ascii characters in strings as |
127 | octal escapes. */ | |
128 | ||
129 | int print_escape_nonascii; | |
130 | ||
835d0be6 RS |
131 | /* Nonzero means to print multibyte characters in strings as hex escapes. */ |
132 | ||
133 | int print_escape_multibyte; | |
134 | ||
135 | Lisp_Object Qprint_escape_newlines; | |
136 | Lisp_Object Qprint_escape_multibyte, Qprint_escape_nonascii; | |
137 | ||
2f100b5c EN |
138 | /* Nonzero means print (quote foo) forms as 'foo, etc. */ |
139 | ||
140 | int print_quoted; | |
141 | ||
0f25ecc6 | 142 | /* Non-nil means print #: before uninterned symbols. */ |
081e0581 | 143 | |
e0f69431 | 144 | Lisp_Object Vprint_gensym; |
081e0581 | 145 | |
0f25ecc6 | 146 | /* Non-nil means print recursive structures using #n= and #n# syntax. */ |
081e0581 | 147 | |
0f25ecc6 RS |
148 | Lisp_Object Vprint_circle; |
149 | ||
150 | /* Non-nil means keep continuous number for #n= and #n# syntax | |
151 | between several print functions. */ | |
152 | ||
153 | Lisp_Object Vprint_continuous_numbering; | |
154 | ||
155 | /* Vprint_number_table is a vector like [OBJ1 STAT1 OBJ2 STAT2 ...], | |
156 | where OBJn are objects going to be printed, and STATn are their status, | |
157 | which may be different meanings during process. See the comments of | |
158 | the functions print and print_preprocess for details. | |
159 | print_number_index keeps the last position the next object should be added, | |
160 | twice of which is the actual vector position in Vprint_number_table. */ | |
161 | int print_number_index; | |
162 | Lisp_Object Vprint_number_table; | |
163 | ||
164 | /* PRINT_NUMBER_OBJECT returns the I'th object in Vprint_number_table TABLE. | |
165 | PRINT_NUMBER_STATUS returns the status of the I'th object in TABLE. | |
166 | See the comment of the variable Vprint_number_table. */ | |
167 | #define PRINT_NUMBER_OBJECT(table,i) XVECTOR ((table))->contents[(i) * 2] | |
168 | #define PRINT_NUMBER_STATUS(table,i) XVECTOR ((table))->contents[(i) * 2 + 1] | |
2f100b5c | 169 | |
5259c737 | 170 | /* Nonzero means print newline to stdout before next minibuffer message. |
38010d50 JB |
171 | Defined in xdisp.c */ |
172 | ||
173 | extern int noninteractive_need_newline; | |
5259c737 | 174 | |
aec2b95b RS |
175 | extern int minibuffer_auto_raise; |
176 | ||
38010d50 JB |
177 | #ifdef MAX_PRINT_CHARS |
178 | static int print_chars; | |
179 | static int max_print; | |
180 | #endif /* MAX_PRINT_CHARS */ | |
7651e1f5 RS |
181 | |
182 | void print_interval (); | |
38010d50 | 183 | |
38010d50 | 184 | \f |
eb8c3be9 | 185 | /* Low level output routines for characters and strings */ |
38010d50 JB |
186 | |
187 | /* Lisp functions to do output using a stream | |
081e0581 EN |
188 | must have the stream in a variable called printcharfun |
189 | and must start with PRINTPREPARE, end with PRINTFINISH, | |
190 | and use PRINTDECLARE to declare common variables. | |
191 | Use PRINTCHAR to output one character, | |
177c0ea7 | 192 | or call strout to output a block of characters. */ |
0788646c GM |
193 | |
194 | #define PRINTDECLARE \ | |
195 | struct buffer *old = current_buffer; \ | |
ee5263af GM |
196 | int old_point = -1, start_point = -1; \ |
197 | int old_point_byte = -1, start_point_byte = -1; \ | |
aed13378 | 198 | int specpdl_count = SPECPDL_INDEX (); \ |
0788646c GM |
199 | int free_print_buffer = 0; \ |
200 | int multibyte = !NILP (current_buffer->enable_multibyte_characters); \ | |
081e0581 EN |
201 | Lisp_Object original |
202 | ||
0788646c GM |
203 | #define PRINTPREPARE \ |
204 | original = printcharfun; \ | |
205 | if (NILP (printcharfun)) printcharfun = Qt; \ | |
206 | if (BUFFERP (printcharfun)) \ | |
207 | { \ | |
208 | if (XBUFFER (printcharfun) != current_buffer) \ | |
209 | Fset_buffer (printcharfun); \ | |
210 | printcharfun = Qnil; \ | |
211 | } \ | |
212 | if (MARKERP (printcharfun)) \ | |
213 | { \ | |
214 | if (!(XMARKER (original)->buffer)) \ | |
215 | error ("Marker does not point anywhere"); \ | |
216 | if (XMARKER (original)->buffer != current_buffer) \ | |
217 | set_buffer_internal (XMARKER (original)->buffer); \ | |
218 | old_point = PT; \ | |
219 | old_point_byte = PT_BYTE; \ | |
220 | SET_PT_BOTH (marker_position (printcharfun), \ | |
221 | marker_byte_position (printcharfun)); \ | |
222 | start_point = PT; \ | |
223 | start_point_byte = PT_BYTE; \ | |
224 | printcharfun = Qnil; \ | |
225 | } \ | |
226 | if (NILP (printcharfun)) \ | |
227 | { \ | |
228 | Lisp_Object string; \ | |
229 | if (NILP (current_buffer->enable_multibyte_characters) \ | |
230 | && ! print_escape_multibyte) \ | |
231 | specbind (Qprint_escape_multibyte, Qt); \ | |
d39f07c2 RS |
232 | if (! NILP (current_buffer->enable_multibyte_characters) \ |
233 | && ! print_escape_nonascii) \ | |
234 | specbind (Qprint_escape_nonascii, Qt); \ | |
0788646c GM |
235 | if (print_buffer != 0) \ |
236 | { \ | |
237 | string = make_string_from_bytes (print_buffer, \ | |
238 | print_buffer_pos, \ | |
239 | print_buffer_pos_byte); \ | |
240 | record_unwind_protect (print_unwind, string); \ | |
241 | } \ | |
242 | else \ | |
243 | { \ | |
244 | print_buffer_size = 1000; \ | |
245 | print_buffer = (char *) xmalloc (print_buffer_size); \ | |
246 | free_print_buffer = 1; \ | |
247 | } \ | |
248 | print_buffer_pos = 0; \ | |
249 | print_buffer_pos_byte = 0; \ | |
250 | } \ | |
5494b50f | 251 | if (EQ (printcharfun, Qt) && ! noninteractive) \ |
0f25ecc6 | 252 | setup_echo_area_for_printing (multibyte); |
38010d50 | 253 | |
8a2ab0c6 RS |
254 | #define PRINTFINISH \ |
255 | if (NILP (printcharfun)) \ | |
256 | { \ | |
257 | if (print_buffer_pos != print_buffer_pos_byte \ | |
258 | && NILP (current_buffer->enable_multibyte_characters)) \ | |
259 | { \ | |
260 | unsigned char *temp \ | |
261 | = (unsigned char *) alloca (print_buffer_pos + 1); \ | |
262 | copy_text (print_buffer, temp, print_buffer_pos_byte, \ | |
263 | 1, 0); \ | |
264 | insert_1_both (temp, print_buffer_pos, \ | |
265 | print_buffer_pos, 0, 1, 0); \ | |
266 | } \ | |
267 | else \ | |
268 | insert_1_both (print_buffer, print_buffer_pos, \ | |
269 | print_buffer_pos_byte, 0, 1, 0); \ | |
270 | } \ | |
271 | if (free_print_buffer) \ | |
272 | { \ | |
273 | xfree (print_buffer); \ | |
274 | print_buffer = 0; \ | |
275 | } \ | |
276 | unbind_to (specpdl_count, Qnil); \ | |
277 | if (MARKERP (original)) \ | |
278 | set_marker_both (original, Qnil, PT, PT_BYTE); \ | |
279 | if (old_point >= 0) \ | |
280 | SET_PT_BOTH (old_point + (old_point >= start_point \ | |
281 | ? PT - start_point : 0), \ | |
6ddd6eee RS |
282 | old_point_byte + (old_point_byte >= start_point_byte \ |
283 | ? PT_BYTE - start_point_byte : 0)); \ | |
8a2ab0c6 | 284 | if (old != current_buffer) \ |
0f25ecc6 | 285 | set_buffer_internal (old); |
38010d50 JB |
286 | |
287 | #define PRINTCHAR(ch) printchar (ch, printcharfun) | |
288 | ||
08e8d297 RS |
289 | /* This is used to restore the saved contents of print_buffer |
290 | when there is a recursive call to print. */ | |
0788646c | 291 | |
08e8d297 RS |
292 | static Lisp_Object |
293 | print_unwind (saved_text) | |
294 | Lisp_Object saved_text; | |
295 | { | |
d5db4077 | 296 | bcopy (SDATA (saved_text), print_buffer, SCHARS (saved_text)); |
ee5263af | 297 | return Qnil; |
08e8d297 RS |
298 | } |
299 | ||
0788646c GM |
300 | |
301 | /* Print character CH using method FUN. FUN nil means print to | |
302 | print_buffer. FUN t means print to echo area or stdout if | |
303 | non-interactive. If FUN is neither nil nor t, call FUN with CH as | |
304 | argument. */ | |
38010d50 JB |
305 | |
306 | static void | |
307 | printchar (ch, fun) | |
087e3c46 | 308 | unsigned int ch; |
38010d50 JB |
309 | Lisp_Object fun; |
310 | { | |
38010d50 JB |
311 | #ifdef MAX_PRINT_CHARS |
312 | if (max_print) | |
313 | print_chars++; | |
314 | #endif /* MAX_PRINT_CHARS */ | |
38010d50 | 315 | |
0788646c GM |
316 | if (!NILP (fun) && !EQ (fun, Qt)) |
317 | call1 (fun, make_number (ch)); | |
318 | else | |
38010d50 | 319 | { |
19a86a03 KH |
320 | unsigned char str[MAX_MULTIBYTE_LENGTH]; |
321 | int len = CHAR_STRING (ch, str); | |
322 | ||
09eddb56 | 323 | QUIT; |
177c0ea7 | 324 | |
0788646c | 325 | if (NILP (fun)) |
9a4d01d8 | 326 | { |
0788646c GM |
327 | if (print_buffer_pos_byte + len >= print_buffer_size) |
328 | print_buffer = (char *) xrealloc (print_buffer, | |
329 | print_buffer_size *= 2); | |
330 | bcopy (str, print_buffer + print_buffer_pos_byte, len); | |
331 | print_buffer_pos += 1; | |
332 | print_buffer_pos_byte += len; | |
9a4d01d8 | 333 | } |
0788646c | 334 | else if (noninteractive) |
1134b854 | 335 | { |
0788646c GM |
336 | fwrite (str, 1, len, stdout); |
337 | noninteractive_need_newline = 1; | |
1134b854 | 338 | } |
0788646c | 339 | else |
d366d2e4 | 340 | { |
0788646c GM |
341 | int multibyte_p |
342 | = !NILP (current_buffer->enable_multibyte_characters); | |
177c0ea7 | 343 | |
eb7b678b | 344 | setup_echo_area_for_printing (multibyte_p); |
0788646c GM |
345 | insert_char (ch); |
346 | message_dolog (str, len, 0, multibyte_p); | |
d366d2e4 | 347 | } |
38010d50 | 348 | } |
38010d50 JB |
349 | } |
350 | ||
0788646c GM |
351 | |
352 | /* Output SIZE characters, SIZE_BYTE bytes from string PTR using | |
353 | method PRINTCHARFUN. If SIZE < 0, use the string length of PTR for | |
354 | both SIZE and SIZE_BYTE. PRINTCHARFUN nil means output to | |
355 | print_buffer. PRINTCHARFUN t means output to the echo area or to | |
356 | stdout if non-interactive. If neither nil nor t, call Lisp | |
357 | function PRINTCHARFUN for each character printed. MULTIBYTE | |
358 | non-zero means PTR contains multibyte characters. */ | |
359 | ||
38010d50 | 360 | static void |
dc2a0b79 | 361 | strout (ptr, size, size_byte, printcharfun, multibyte) |
38010d50 | 362 | char *ptr; |
dc2a0b79 | 363 | int size, size_byte; |
38010d50 | 364 | Lisp_Object printcharfun; |
dc2a0b79 | 365 | int multibyte; |
38010d50 | 366 | { |
087e3c46 | 367 | if (size < 0) |
dc2a0b79 | 368 | size_byte = size = strlen (ptr); |
087e3c46 | 369 | |
0788646c | 370 | if (NILP (printcharfun)) |
38010d50 | 371 | { |
dc2a0b79 | 372 | if (print_buffer_pos_byte + size_byte > print_buffer_size) |
6fec5601 | 373 | { |
dc2a0b79 | 374 | print_buffer_size = print_buffer_size * 2 + size_byte; |
6fec5601 RS |
375 | print_buffer = (char *) xrealloc (print_buffer, |
376 | print_buffer_size); | |
377 | } | |
dc2a0b79 | 378 | bcopy (ptr, print_buffer + print_buffer_pos_byte, size_byte); |
6fec5601 | 379 | print_buffer_pos += size; |
dc2a0b79 | 380 | print_buffer_pos_byte += size_byte; |
6fec5601 | 381 | |
38010d50 JB |
382 | #ifdef MAX_PRINT_CHARS |
383 | if (max_print) | |
6fec5601 | 384 | print_chars += size; |
38010d50 | 385 | #endif /* MAX_PRINT_CHARS */ |
38010d50 | 386 | } |
7b0cb8a0 | 387 | else if (noninteractive && EQ (printcharfun, Qt)) |
38010d50 | 388 | { |
0788646c GM |
389 | fwrite (ptr, 1, size_byte, stdout); |
390 | noninteractive_need_newline = 1; | |
391 | } | |
392 | else if (EQ (printcharfun, Qt)) | |
393 | { | |
394 | /* Output to echo area. We're trying to avoid a little overhead | |
395 | here, that's the reason we don't call printchar to do the | |
396 | job. */ | |
397 | int i; | |
398 | int multibyte_p | |
399 | = !NILP (current_buffer->enable_multibyte_characters); | |
177c0ea7 | 400 | |
eb7b678b | 401 | setup_echo_area_for_printing (multibyte_p); |
0788646c | 402 | message_dolog (ptr, size_byte, 0, multibyte_p); |
177c0ea7 | 403 | |
0788646c | 404 | if (size == size_byte) |
38010d50 | 405 | { |
0788646c | 406 | for (i = 0; i < size; ++i) |
ada329e6 | 407 | insert_char ((unsigned char )*ptr++); |
38010d50 | 408 | } |
0788646c | 409 | else |
38010d50 | 410 | { |
0788646c GM |
411 | int len; |
412 | for (i = 0; i < size_byte; i += len) | |
aec2b95b | 413 | { |
0788646c GM |
414 | int ch = STRING_CHAR_AND_LENGTH (ptr + i, size_byte - i, len); |
415 | insert_char (ch); | |
aec2b95b | 416 | } |
38010d50 | 417 | } |
177c0ea7 | 418 | |
0788646c GM |
419 | #ifdef MAX_PRINT_CHARS |
420 | if (max_print) | |
421 | print_chars += size; | |
422 | #endif /* MAX_PRINT_CHARS */ | |
423 | } | |
424 | else | |
425 | { | |
426 | /* PRINTCHARFUN is a Lisp function. */ | |
427 | int i = 0; | |
38010d50 | 428 | |
0788646c | 429 | if (size == size_byte) |
4ad8bb20 | 430 | { |
0788646c | 431 | while (i < size_byte) |
4ad8bb20 | 432 | { |
0788646c GM |
433 | int ch = ptr[i++]; |
434 | PRINTCHAR (ch); | |
4ad8bb20 | 435 | } |
4ad8bb20 | 436 | } |
0788646c | 437 | else |
087e3c46 | 438 | { |
0788646c GM |
439 | while (i < size_byte) |
440 | { | |
441 | /* Here, we must convert each multi-byte form to the | |
442 | corresponding character code before handing it to | |
443 | PRINTCHAR. */ | |
444 | int len; | |
445 | int ch = STRING_CHAR_AND_LENGTH (ptr + i, size_byte - i, len); | |
446 | PRINTCHAR (ch); | |
447 | i += len; | |
448 | } | |
087e3c46 | 449 | } |
38010d50 | 450 | } |
38010d50 JB |
451 | } |
452 | ||
453 | /* Print the contents of a string STRING using PRINTCHARFUN. | |
ed2c35ef RS |
454 | It isn't safe to use strout in many cases, |
455 | because printing one char can relocate. */ | |
38010d50 | 456 | |
dc2a0b79 | 457 | static void |
38010d50 JB |
458 | print_string (string, printcharfun) |
459 | Lisp_Object string; | |
460 | Lisp_Object printcharfun; | |
461 | { | |
6fec5601 | 462 | if (EQ (printcharfun, Qt) || NILP (printcharfun)) |
375fcc09 KH |
463 | { |
464 | int chars; | |
465 | ||
466 | if (STRING_MULTIBYTE (string)) | |
d5db4077 | 467 | chars = SCHARS (string); |
375fcc09 KH |
468 | else if (EQ (printcharfun, Qt) |
469 | ? ! NILP (buffer_defaults.enable_multibyte_characters) | |
470 | : ! NILP (current_buffer->enable_multibyte_characters)) | |
a76ef35d KH |
471 | { |
472 | /* If unibyte string STRING contains 8-bit codes, we must | |
473 | convert STRING to a multibyte string containing the same | |
474 | character codes. */ | |
475 | Lisp_Object newstr; | |
476 | int bytes; | |
477 | ||
d5db4077 KR |
478 | chars = SBYTES (string); |
479 | bytes = parse_str_to_multibyte (SDATA (string), chars); | |
a76ef35d KH |
480 | if (chars < bytes) |
481 | { | |
482 | newstr = make_uninit_multibyte_string (chars, bytes); | |
d5db4077 KR |
483 | bcopy (SDATA (string), SDATA (newstr), chars); |
484 | str_to_multibyte (SDATA (newstr), bytes, chars); | |
a76ef35d KH |
485 | string = newstr; |
486 | } | |
487 | } | |
375fcc09 | 488 | else |
d5db4077 | 489 | chars = SBYTES (string); |
375fcc09 KH |
490 | |
491 | /* strout is safe for output to a frame (echo area) or to print_buffer. */ | |
d5db4077 KR |
492 | strout (SDATA (string), |
493 | chars, SBYTES (string), | |
375fcc09 KH |
494 | printcharfun, STRING_MULTIBYTE (string)); |
495 | } | |
38010d50 JB |
496 | else |
497 | { | |
dc2a0b79 RS |
498 | /* Otherwise, string may be relocated by printing one char. |
499 | So re-fetch the string address for each character. */ | |
38010d50 | 500 | int i; |
d5db4077 KR |
501 | int size = SCHARS (string); |
502 | int size_byte = SBYTES (string); | |
38010d50 JB |
503 | struct gcpro gcpro1; |
504 | GCPRO1 (string); | |
dc2a0b79 RS |
505 | if (size == size_byte) |
506 | for (i = 0; i < size; i++) | |
d5db4077 | 507 | PRINTCHAR (SREF (string, i)); |
dc2a0b79 RS |
508 | else |
509 | for (i = 0; i < size_byte; i++) | |
510 | { | |
511 | /* Here, we must convert each multi-byte form to the | |
512 | corresponding character code before handing it to PRINTCHAR. */ | |
513 | int len; | |
d5db4077 | 514 | int ch = STRING_CHAR_AND_LENGTH (SDATA (string) + i, |
765fe1d0 | 515 | size_byte - i, len); |
da1ad4e7 KH |
516 | if (!CHAR_VALID_P (ch, 0)) |
517 | { | |
d5db4077 | 518 | ch = SREF (string, i); |
da1ad4e7 KH |
519 | len = 1; |
520 | } | |
dc2a0b79 RS |
521 | PRINTCHAR (ch); |
522 | i += len; | |
523 | } | |
38010d50 JB |
524 | UNGCPRO; |
525 | } | |
526 | } | |
527 | \f | |
528 | DEFUN ("write-char", Fwrite_char, Swrite_char, 1, 2, 0, | |
8c1a1077 PJ |
529 | doc: /* Output character CHARACTER to stream PRINTCHARFUN. |
530 | PRINTCHARFUN defaults to the value of `standard-output' (which see). */) | |
531 | (character, printcharfun) | |
3738a371 | 532 | Lisp_Object character, printcharfun; |
38010d50 | 533 | { |
081e0581 | 534 | PRINTDECLARE; |
38010d50 | 535 | |
10eebdbb | 536 | if (NILP (printcharfun)) |
38010d50 | 537 | printcharfun = Vstandard_output; |
b7826503 | 538 | CHECK_NUMBER (character); |
38010d50 | 539 | PRINTPREPARE; |
3738a371 | 540 | PRINTCHAR (XINT (character)); |
38010d50 | 541 | PRINTFINISH; |
3738a371 | 542 | return character; |
38010d50 JB |
543 | } |
544 | ||
dc2a0b79 RS |
545 | /* Used from outside of print.c to print a block of SIZE |
546 | single-byte chars at DATA on the default output stream. | |
38010d50 JB |
547 | Do not use this on the contents of a Lisp string. */ |
548 | ||
dc22f25e | 549 | void |
38010d50 JB |
550 | write_string (data, size) |
551 | char *data; | |
552 | int size; | |
553 | { | |
081e0581 | 554 | PRINTDECLARE; |
38010d50 | 555 | Lisp_Object printcharfun; |
38010d50 JB |
556 | |
557 | printcharfun = Vstandard_output; | |
558 | ||
559 | PRINTPREPARE; | |
dc2a0b79 | 560 | strout (data, size, size, printcharfun, 0); |
38010d50 JB |
561 | PRINTFINISH; |
562 | } | |
563 | ||
dc2a0b79 RS |
564 | /* Used from outside of print.c to print a block of SIZE |
565 | single-byte chars at DATA on a specified stream PRINTCHARFUN. | |
38010d50 JB |
566 | Do not use this on the contents of a Lisp string. */ |
567 | ||
dc22f25e | 568 | void |
38010d50 JB |
569 | write_string_1 (data, size, printcharfun) |
570 | char *data; | |
571 | int size; | |
572 | Lisp_Object printcharfun; | |
573 | { | |
081e0581 | 574 | PRINTDECLARE; |
38010d50 JB |
575 | |
576 | PRINTPREPARE; | |
dc2a0b79 | 577 | strout (data, size, size, printcharfun, 0); |
38010d50 JB |
578 | PRINTFINISH; |
579 | } | |
580 | ||
581 | ||
38010d50 JB |
582 | void |
583 | temp_output_buffer_setup (bufname) | |
3f7e390a | 584 | const char *bufname; |
38010d50 | 585 | { |
aed13378 | 586 | int count = SPECPDL_INDEX (); |
38010d50 JB |
587 | register struct buffer *old = current_buffer; |
588 | register Lisp_Object buf; | |
589 | ||
d9c21094 RS |
590 | record_unwind_protect (set_buffer_if_live, Fcurrent_buffer ()); |
591 | ||
38010d50 JB |
592 | Fset_buffer (Fget_buffer_create (build_string (bufname))); |
593 | ||
9756ea0f | 594 | Fkill_all_local_variables (); |
fd531951 | 595 | delete_all_overlays (current_buffer); |
2a1c968a | 596 | current_buffer->directory = old->directory; |
38010d50 | 597 | current_buffer->read_only = Qnil; |
c5c6d57c KH |
598 | current_buffer->filename = Qnil; |
599 | current_buffer->undo_list = Qt; | |
fd531951 SM |
600 | eassert (current_buffer->overlays_before = NULL); |
601 | eassert (current_buffer->overlays_after = NULL); | |
c5c6d57c KH |
602 | current_buffer->enable_multibyte_characters |
603 | = buffer_defaults.enable_multibyte_characters; | |
38010d50 | 604 | Ferase_buffer (); |
633307b5 | 605 | XSETBUFFER (buf, current_buffer); |
38010d50 | 606 | |
98040cf1 | 607 | Frun_hooks (1, &Qtemp_buffer_setup_hook); |
d9c21094 RS |
608 | |
609 | unbind_to (count, Qnil); | |
610 | ||
611 | specbind (Qstandard_output, buf); | |
38010d50 JB |
612 | } |
613 | ||
614 | Lisp_Object | |
615 | internal_with_output_to_temp_buffer (bufname, function, args) | |
3f7e390a | 616 | const char *bufname; |
dfcf069d | 617 | Lisp_Object (*function) P_ ((Lisp_Object)); |
38010d50 JB |
618 | Lisp_Object args; |
619 | { | |
aed13378 | 620 | int count = SPECPDL_INDEX (); |
38010d50 | 621 | Lisp_Object buf, val; |
0ab39c81 | 622 | struct gcpro gcpro1; |
38010d50 | 623 | |
0ab39c81 | 624 | GCPRO1 (args); |
38010d50 JB |
625 | record_unwind_protect (Fset_buffer, Fcurrent_buffer ()); |
626 | temp_output_buffer_setup (bufname); | |
627 | buf = Vstandard_output; | |
0ab39c81 | 628 | UNGCPRO; |
38010d50 JB |
629 | |
630 | val = (*function) (args); | |
631 | ||
0ab39c81 | 632 | GCPRO1 (val); |
38010d50 | 633 | temp_output_buffer_show (buf); |
0ab39c81 | 634 | UNGCPRO; |
38010d50 JB |
635 | |
636 | return unbind_to (count, val); | |
637 | } | |
638 | ||
ab9ffd19 MB |
639 | DEFUN ("with-output-to-temp-buffer", |
640 | Fwith_output_to_temp_buffer, Swith_output_to_temp_buffer, | |
38010d50 | 641 | 1, UNEVALLED, 0, |
8c1a1077 PJ |
642 | doc: /* Bind `standard-output' to buffer BUFNAME, eval BODY, then show that buffer. |
643 | The buffer is cleared out initially, and marked as unmodified when done. | |
644 | All output done by BODY is inserted in that buffer by default. | |
645 | The buffer is displayed in another window, but not selected. | |
646 | The value of the last form in BODY is returned. | |
647 | If BODY does not finish normally, the buffer BUFNAME is not displayed. | |
648 | ||
649 | The hook `temp-buffer-setup-hook' is run before BODY, | |
650 | with the buffer BUFNAME temporarily current. | |
651 | The hook `temp-buffer-show-hook' is run after the buffer is displayed, | |
652 | with the buffer temporarily current, and the window that was used | |
653 | to display it temporarily selected. | |
654 | ||
655 | If variable `temp-buffer-show-function' is non-nil, call it at the end | |
656 | to get the buffer displayed instead of just displaying the non-selected | |
177c0ea7 | 657 | buffer and calling the hook. It gets one argument, the buffer to display. |
ab9ffd19 MB |
658 | |
659 | usage: (with-output-to-temp-buffer BUFFNAME BODY ...) */) | |
8c1a1077 | 660 | (args) |
38010d50 JB |
661 | Lisp_Object args; |
662 | { | |
663 | struct gcpro gcpro1; | |
664 | Lisp_Object name; | |
aed13378 | 665 | int count = SPECPDL_INDEX (); |
38010d50 JB |
666 | Lisp_Object buf, val; |
667 | ||
668 | GCPRO1(args); | |
669 | name = Feval (Fcar (args)); | |
b7826503 | 670 | CHECK_STRING (name); |
d5db4077 | 671 | temp_output_buffer_setup (SDATA (name)); |
38010d50 | 672 | buf = Vstandard_output; |
8bbfc258 | 673 | UNGCPRO; |
38010d50 | 674 | |
8bbfc258 | 675 | val = Fprogn (XCDR (args)); |
38010d50 | 676 | |
8bbfc258 | 677 | GCPRO1 (val); |
38010d50 | 678 | temp_output_buffer_show (buf); |
8bbfc258 | 679 | UNGCPRO; |
38010d50 JB |
680 | |
681 | return unbind_to (count, val); | |
682 | } | |
0788646c | 683 | |
38010d50 JB |
684 | \f |
685 | static void print (); | |
0f25ecc6 | 686 | static void print_preprocess (); |
0f25ecc6 | 687 | static void print_preprocess_string (); |
0f25ecc6 | 688 | static void print_object (); |
38010d50 JB |
689 | |
690 | DEFUN ("terpri", Fterpri, Sterpri, 0, 1, 0, | |
8c1a1077 PJ |
691 | doc: /* Output a newline to stream PRINTCHARFUN. |
692 | If PRINTCHARFUN is omitted or nil, the value of `standard-output' is used. */) | |
38010d50 JB |
693 | (printcharfun) |
694 | Lisp_Object printcharfun; | |
695 | { | |
081e0581 | 696 | PRINTDECLARE; |
38010d50 | 697 | |
10eebdbb | 698 | if (NILP (printcharfun)) |
38010d50 JB |
699 | printcharfun = Vstandard_output; |
700 | PRINTPREPARE; | |
701 | PRINTCHAR ('\n'); | |
702 | PRINTFINISH; | |
703 | return Qt; | |
704 | } | |
705 | ||
706 | DEFUN ("prin1", Fprin1, Sprin1, 1, 2, 0, | |
8c1a1077 PJ |
707 | doc: /* Output the printed representation of OBJECT, any Lisp object. |
708 | Quoting characters are printed when needed to make output that `read' | |
9474c847 | 709 | can handle, whenever this is possible. For complex objects, the behavior |
7fab9223 | 710 | is controlled by `print-level' and `print-length', which see. |
8c1a1077 PJ |
711 | |
712 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
713 | a list, a buffer, a window, a frame, etc. | |
714 | ||
715 | A printed representation of an object is text which describes that object. | |
716 | ||
717 | Optional argument PRINTCHARFUN is the output stream, which can be one | |
718 | of these: | |
719 | ||
720 | - a buffer, in which case output is inserted into that buffer at point; | |
721 | - a marker, in which case output is inserted at marker's position; | |
722 | - a function, in which case that function is called once for each | |
723 | character of OBJECT's printed representation; | |
724 | - a symbol, in which case that symbol's function definition is called; or | |
725 | - t, in which case the output is displayed in the echo area. | |
726 | ||
727 | If PRINTCHARFUN is omitted, the value of `standard-output' (which see) | |
728 | is used instead. */) | |
729 | (object, printcharfun) | |
3738a371 | 730 | Lisp_Object object, printcharfun; |
38010d50 | 731 | { |
081e0581 | 732 | PRINTDECLARE; |
38010d50 JB |
733 | |
734 | #ifdef MAX_PRINT_CHARS | |
735 | max_print = 0; | |
736 | #endif /* MAX_PRINT_CHARS */ | |
10eebdbb | 737 | if (NILP (printcharfun)) |
38010d50 JB |
738 | printcharfun = Vstandard_output; |
739 | PRINTPREPARE; | |
3738a371 | 740 | print (object, printcharfun, 1); |
38010d50 | 741 | PRINTFINISH; |
3738a371 | 742 | return object; |
38010d50 JB |
743 | } |
744 | ||
745 | /* a buffer which is used to hold output being built by prin1-to-string */ | |
746 | Lisp_Object Vprin1_to_string_buffer; | |
747 | ||
748 | DEFUN ("prin1-to-string", Fprin1_to_string, Sprin1_to_string, 1, 2, 0, | |
fd4d156b RS |
749 | doc: /* Return a string containing the printed representation of OBJECT. |
750 | OBJECT can be any Lisp object. This function outputs quoting characters | |
cf393f9b | 751 | when necessary to make output that `read' can handle, whenever possible, |
fd4d156b | 752 | unless the optional second argument NOESCAPE is non-nil. |
8c1a1077 PJ |
753 | |
754 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
755 | a list, a buffer, a window, a frame, etc. | |
756 | ||
757 | A printed representation of an object is text which describes that object. */) | |
758 | (object, noescape) | |
3738a371 | 759 | Lisp_Object object, noescape; |
38010d50 | 760 | { |
081e0581 EN |
761 | PRINTDECLARE; |
762 | Lisp_Object printcharfun; | |
ca2de342 RS |
763 | /* struct gcpro gcpro1, gcpro2; */ |
764 | Lisp_Object save_deactivate_mark; | |
765 | int count = specpdl_ptr - specpdl; | |
766 | ||
767 | specbind (Qinhibit_modification_hooks, Qt); | |
2a42e8f6 KH |
768 | |
769 | /* Save and restore this--we are altering a buffer | |
770 | but we don't want to deactivate the mark just for that. | |
771 | No need for specbind, since errors deactivate the mark. */ | |
ca2de342 RS |
772 | save_deactivate_mark = Vdeactivate_mark; |
773 | /* GCPRO2 (object, save_deactivate_mark); */ | |
774 | abort_on_gc++; | |
38010d50 JB |
775 | |
776 | printcharfun = Vprin1_to_string_buffer; | |
777 | PRINTPREPARE; | |
3738a371 | 778 | print (object, printcharfun, NILP (noescape)); |
38010d50 JB |
779 | /* Make Vprin1_to_string_buffer be the default buffer after PRINTFINSH */ |
780 | PRINTFINISH; | |
781 | set_buffer_internal (XBUFFER (Vprin1_to_string_buffer)); | |
3738a371 | 782 | object = Fbuffer_string (); |
b51ee131 SM |
783 | if (SBYTES (object) == SCHARS (object)) |
784 | STRING_SET_UNIBYTE (object); | |
38010d50 | 785 | |
38010d50 JB |
786 | Ferase_buffer (); |
787 | set_buffer_internal (old); | |
2a42e8f6 | 788 | |
ca2de342 RS |
789 | Vdeactivate_mark = save_deactivate_mark; |
790 | /* UNGCPRO; */ | |
38010d50 | 791 | |
ca2de342 RS |
792 | abort_on_gc--; |
793 | return unbind_to (count, object); | |
38010d50 JB |
794 | } |
795 | ||
796 | DEFUN ("princ", Fprinc, Sprinc, 1, 2, 0, | |
8c1a1077 PJ |
797 | doc: /* Output the printed representation of OBJECT, any Lisp object. |
798 | No quoting characters are used; no delimiters are printed around | |
799 | the contents of strings. | |
800 | ||
801 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
802 | a list, a buffer, a window, a frame, etc. | |
803 | ||
804 | A printed representation of an object is text which describes that object. | |
805 | ||
806 | Optional argument PRINTCHARFUN is the output stream, which can be one | |
807 | of these: | |
808 | ||
809 | - a buffer, in which case output is inserted into that buffer at point; | |
810 | - a marker, in which case output is inserted at marker's position; | |
811 | - a function, in which case that function is called once for each | |
812 | character of OBJECT's printed representation; | |
813 | - a symbol, in which case that symbol's function definition is called; or | |
814 | - t, in which case the output is displayed in the echo area. | |
815 | ||
816 | If PRINTCHARFUN is omitted, the value of `standard-output' (which see) | |
817 | is used instead. */) | |
818 | (object, printcharfun) | |
3738a371 | 819 | Lisp_Object object, printcharfun; |
38010d50 | 820 | { |
081e0581 | 821 | PRINTDECLARE; |
38010d50 | 822 | |
10eebdbb | 823 | if (NILP (printcharfun)) |
38010d50 JB |
824 | printcharfun = Vstandard_output; |
825 | PRINTPREPARE; | |
3738a371 | 826 | print (object, printcharfun, 0); |
38010d50 | 827 | PRINTFINISH; |
3738a371 | 828 | return object; |
38010d50 JB |
829 | } |
830 | ||
831 | DEFUN ("print", Fprint, Sprint, 1, 2, 0, | |
8c1a1077 PJ |
832 | doc: /* Output the printed representation of OBJECT, with newlines around it. |
833 | Quoting characters are printed when needed to make output that `read' | |
9474c847 | 834 | can handle, whenever this is possible. For complex objects, the behavior |
7fab9223 | 835 | is controlled by `print-level' and `print-length', which see. |
8c1a1077 PJ |
836 | |
837 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
838 | a list, a buffer, a window, a frame, etc. | |
839 | ||
840 | A printed representation of an object is text which describes that object. | |
841 | ||
842 | Optional argument PRINTCHARFUN is the output stream, which can be one | |
843 | of these: | |
844 | ||
845 | - a buffer, in which case output is inserted into that buffer at point; | |
846 | - a marker, in which case output is inserted at marker's position; | |
847 | - a function, in which case that function is called once for each | |
848 | character of OBJECT's printed representation; | |
849 | - a symbol, in which case that symbol's function definition is called; or | |
850 | - t, in which case the output is displayed in the echo area. | |
851 | ||
852 | If PRINTCHARFUN is omitted, the value of `standard-output' (which see) | |
853 | is used instead. */) | |
854 | (object, printcharfun) | |
3738a371 | 855 | Lisp_Object object, printcharfun; |
38010d50 | 856 | { |
081e0581 | 857 | PRINTDECLARE; |
38010d50 JB |
858 | struct gcpro gcpro1; |
859 | ||
860 | #ifdef MAX_PRINT_CHARS | |
861 | print_chars = 0; | |
862 | max_print = MAX_PRINT_CHARS; | |
863 | #endif /* MAX_PRINT_CHARS */ | |
10eebdbb | 864 | if (NILP (printcharfun)) |
38010d50 | 865 | printcharfun = Vstandard_output; |
3738a371 | 866 | GCPRO1 (object); |
38010d50 | 867 | PRINTPREPARE; |
38010d50 | 868 | PRINTCHAR ('\n'); |
3738a371 | 869 | print (object, printcharfun, 1); |
38010d50 JB |
870 | PRINTCHAR ('\n'); |
871 | PRINTFINISH; | |
872 | #ifdef MAX_PRINT_CHARS | |
873 | max_print = 0; | |
874 | print_chars = 0; | |
875 | #endif /* MAX_PRINT_CHARS */ | |
876 | UNGCPRO; | |
3738a371 | 877 | return object; |
38010d50 JB |
878 | } |
879 | ||
880 | /* The subroutine object for external-debugging-output is kept here | |
881 | for the convenience of the debugger. */ | |
882 | Lisp_Object Qexternal_debugging_output; | |
883 | ||
4746118a | 884 | DEFUN ("external-debugging-output", Fexternal_debugging_output, Sexternal_debugging_output, 1, 1, 0, |
8c1a1077 PJ |
885 | doc: /* Write CHARACTER to stderr. |
886 | You can call print while debugging emacs, and pass it this function | |
887 | to make it write to the debugging output. */) | |
888 | (character) | |
4746118a | 889 | Lisp_Object character; |
38010d50 | 890 | { |
b7826503 | 891 | CHECK_NUMBER (character); |
38010d50 | 892 | putc (XINT (character), stderr); |
cd22039d RS |
893 | |
894 | #ifdef WINDOWSNT | |
895 | /* Send the output to a debugger (nothing happens if there isn't one). */ | |
896 | { | |
897 | char buf[2] = {(char) XINT (character), '\0'}; | |
898 | OutputDebugString (buf); | |
899 | } | |
900 | #endif | |
901 | ||
38010d50 JB |
902 | return character; |
903 | } | |
cf1bb91b RS |
904 | |
905 | /* This is the interface for debugging printing. */ | |
906 | ||
907 | void | |
908 | debug_print (arg) | |
909 | Lisp_Object arg; | |
910 | { | |
911 | Fprin1 (arg, Qexternal_debugging_output); | |
3684eb78 | 912 | fprintf (stderr, "\r\n"); |
cf1bb91b | 913 | } |
38010d50 | 914 | \f |
113620cc KH |
915 | DEFUN ("error-message-string", Ferror_message_string, Serror_message_string, |
916 | 1, 1, 0, | |
8c1a1077 PJ |
917 | doc: /* Convert an error value (ERROR-SYMBOL . DATA) to an error message. */) |
918 | (obj) | |
113620cc KH |
919 | Lisp_Object obj; |
920 | { | |
921 | struct buffer *old = current_buffer; | |
63fbf4ff | 922 | Lisp_Object value; |
113620cc KH |
923 | struct gcpro gcpro1; |
924 | ||
0872e11f RS |
925 | /* If OBJ is (error STRING), just return STRING. |
926 | That is not only faster, it also avoids the need to allocate | |
927 | space here when the error is due to memory full. */ | |
94b342ce KR |
928 | if (CONSP (obj) && EQ (XCAR (obj), Qerror) |
929 | && CONSP (XCDR (obj)) | |
930 | && STRINGP (XCAR (XCDR (obj))) | |
931 | && NILP (XCDR (XCDR (obj)))) | |
932 | return XCAR (XCDR (obj)); | |
0872e11f | 933 | |
240e806c | 934 | print_error_message (obj, Vprin1_to_string_buffer, 0, Qnil); |
113620cc KH |
935 | |
936 | set_buffer_internal (XBUFFER (Vprin1_to_string_buffer)); | |
937 | value = Fbuffer_string (); | |
938 | ||
939 | GCPRO1 (value); | |
940 | Ferase_buffer (); | |
941 | set_buffer_internal (old); | |
942 | UNGCPRO; | |
943 | ||
944 | return value; | |
945 | } | |
946 | ||
c02279de GM |
947 | /* Print an error message for the error DATA onto Lisp output stream |
948 | STREAM (suitable for the print functions). */ | |
113620cc | 949 | |
dc22f25e | 950 | void |
240e806c | 951 | print_error_message (data, stream, context, caller) |
113620cc | 952 | Lisp_Object data, stream; |
240e806c RS |
953 | char *context; |
954 | Lisp_Object caller; | |
113620cc KH |
955 | { |
956 | Lisp_Object errname, errmsg, file_error, tail; | |
957 | struct gcpro gcpro1; | |
958 | int i; | |
959 | ||
240e806c RS |
960 | if (context != 0) |
961 | write_string_1 (context, -1, stream); | |
962 | ||
963 | /* If we know from where the error was signaled, show it in | |
964 | *Messages*. */ | |
965 | if (!NILP (caller) && SYMBOLP (caller)) | |
966 | { | |
967 | const char *name = SDATA (SYMBOL_NAME (caller)); | |
968 | message_dolog (name, strlen (name), 0, 0); | |
969 | message_dolog (": ", 2, 0, 0); | |
970 | } | |
971 | ||
113620cc KH |
972 | errname = Fcar (data); |
973 | ||
974 | if (EQ (errname, Qerror)) | |
975 | { | |
976 | data = Fcdr (data); | |
c02279de GM |
977 | if (!CONSP (data)) |
978 | data = Qnil; | |
113620cc KH |
979 | errmsg = Fcar (data); |
980 | file_error = Qnil; | |
981 | } | |
982 | else | |
983 | { | |
c02279de | 984 | Lisp_Object error_conditions; |
113620cc | 985 | errmsg = Fget (errname, Qerror_message); |
c02279de GM |
986 | error_conditions = Fget (errname, Qerror_conditions); |
987 | file_error = Fmemq (Qfile_error, error_conditions); | |
113620cc KH |
988 | } |
989 | ||
990 | /* Print an error message including the data items. */ | |
991 | ||
992 | tail = Fcdr_safe (data); | |
993 | GCPRO1 (tail); | |
994 | ||
995 | /* For file-error, make error message by concatenating | |
996 | all the data items. They are all strings. */ | |
8c29413d | 997 | if (!NILP (file_error) && CONSP (tail)) |
94b342ce | 998 | errmsg = XCAR (tail), tail = XCDR (tail); |
113620cc KH |
999 | |
1000 | if (STRINGP (errmsg)) | |
1001 | Fprinc (errmsg, stream); | |
1002 | else | |
1003 | write_string_1 ("peculiar error", -1, stream); | |
1004 | ||
c02279de | 1005 | for (i = 0; CONSP (tail); tail = XCDR (tail), i++) |
113620cc | 1006 | { |
c02279de GM |
1007 | Lisp_Object obj; |
1008 | ||
113620cc | 1009 | write_string_1 (i ? ", " : ": ", 2, stream); |
c02279de GM |
1010 | obj = XCAR (tail); |
1011 | if (!NILP (file_error) || EQ (errname, Qend_of_file)) | |
1012 | Fprinc (obj, stream); | |
113620cc | 1013 | else |
c02279de | 1014 | Fprin1 (obj, stream); |
113620cc | 1015 | } |
177c0ea7 | 1016 | |
113620cc KH |
1017 | UNGCPRO; |
1018 | } | |
38010d50 | 1019 | |
c02279de GM |
1020 | |
1021 | \f | |
38010d50 | 1022 | /* |
edb2a707 | 1023 | * The buffer should be at least as large as the max string size of the |
8e6208c5 | 1024 | * largest float, printed in the biggest notation. This is undoubtedly |
38010d50 JB |
1025 | * 20d float_output_format, with the negative of the C-constant "HUGE" |
1026 | * from <math.h>. | |
177c0ea7 | 1027 | * |
38010d50 | 1028 | * On the vax the worst case is -1e38 in 20d format which takes 61 bytes. |
177c0ea7 | 1029 | * |
38010d50 JB |
1030 | * I assume that IEEE-754 format numbers can take 329 bytes for the worst |
1031 | * case of -1e307 in 20d float_output_format. What is one to do (short of | |
1032 | * re-writing _doprnt to be more sane)? | |
1033 | * -wsr | |
1034 | */ | |
edb2a707 RS |
1035 | |
1036 | void | |
1037 | float_to_string (buf, data) | |
8b24d146 | 1038 | unsigned char *buf; |
38010d50 JB |
1039 | double data; |
1040 | { | |
c7b14277 | 1041 | unsigned char *cp; |
322890c4 | 1042 | int width; |
177c0ea7 | 1043 | |
7f45de2d RS |
1044 | /* Check for plus infinity in a way that won't lose |
1045 | if there is no plus infinity. */ | |
1046 | if (data == data / 2 && data > 1.0) | |
1047 | { | |
1048 | strcpy (buf, "1.0e+INF"); | |
1049 | return; | |
1050 | } | |
1051 | /* Likewise for minus infinity. */ | |
1052 | if (data == data / 2 && data < -1.0) | |
1053 | { | |
1054 | strcpy (buf, "-1.0e+INF"); | |
1055 | return; | |
1056 | } | |
1057 | /* Check for NaN in a way that won't fail if there are no NaNs. */ | |
1058 | if (! (data * 0.0 >= 0.0)) | |
1059 | { | |
68c45bf0 PE |
1060 | /* Prepend "-" if the NaN's sign bit is negative. |
1061 | The sign bit of a double is the bit that is 1 in -0.0. */ | |
1062 | int i; | |
1063 | union { double d; char c[sizeof (double)]; } u_data, u_minus_zero; | |
1064 | u_data.d = data; | |
1065 | u_minus_zero.d = - 0.0; | |
1066 | for (i = 0; i < sizeof (double); i++) | |
1067 | if (u_data.c[i] & u_minus_zero.c[i]) | |
1068 | { | |
1069 | *buf++ = '-'; | |
1070 | break; | |
1071 | } | |
177c0ea7 | 1072 | |
7f45de2d RS |
1073 | strcpy (buf, "0.0e+NaN"); |
1074 | return; | |
1075 | } | |
1076 | ||
10eebdbb | 1077 | if (NILP (Vfloat_output_format) |
d4ae1f7e | 1078 | || !STRINGP (Vfloat_output_format)) |
38010d50 | 1079 | lose: |
322890c4 | 1080 | { |
f356c3fb PE |
1081 | /* Generate the fewest number of digits that represent the |
1082 | floating point value without losing information. | |
1083 | The following method is simple but a bit slow. | |
1084 | For ideas about speeding things up, please see: | |
1085 | ||
1086 | Guy L Steele Jr & Jon L White, How to print floating-point numbers | |
1087 | accurately. SIGPLAN notices 25, 6 (June 1990), 112-126. | |
1088 | ||
1089 | Robert G Burger & R Kent Dybvig, Printing floating point numbers | |
1090 | quickly and accurately, SIGPLAN notices 31, 5 (May 1996), 108-116. */ | |
1091 | ||
1092 | width = fabs (data) < DBL_MIN ? 1 : DBL_DIG; | |
1093 | do | |
1094 | sprintf (buf, "%.*g", width, data); | |
1095 | while (width++ < DOUBLE_DIGITS_BOUND && atof (buf) != data); | |
322890c4 | 1096 | } |
38010d50 JB |
1097 | else /* oink oink */ |
1098 | { | |
1099 | /* Check that the spec we have is fully valid. | |
1100 | This means not only valid for printf, | |
1101 | but meant for floats, and reasonable. */ | |
d5db4077 | 1102 | cp = SDATA (Vfloat_output_format); |
38010d50 JB |
1103 | |
1104 | if (cp[0] != '%') | |
1105 | goto lose; | |
1106 | if (cp[1] != '.') | |
1107 | goto lose; | |
1108 | ||
1109 | cp += 2; | |
c7b14277 JB |
1110 | |
1111 | /* Check the width specification. */ | |
322890c4 | 1112 | width = -1; |
c7b14277 | 1113 | if ('0' <= *cp && *cp <= '9') |
381cd4bb KH |
1114 | { |
1115 | width = 0; | |
1116 | do | |
1117 | width = (width * 10) + (*cp++ - '0'); | |
1118 | while (*cp >= '0' && *cp <= '9'); | |
1119 | ||
1120 | /* A precision of zero is valid only for %f. */ | |
1121 | if (width > DBL_DIG | |
1122 | || (width == 0 && *cp != 'f')) | |
1123 | goto lose; | |
1124 | } | |
38010d50 JB |
1125 | |
1126 | if (*cp != 'e' && *cp != 'f' && *cp != 'g') | |
1127 | goto lose; | |
1128 | ||
38010d50 JB |
1129 | if (cp[1] != 0) |
1130 | goto lose; | |
1131 | ||
d5db4077 | 1132 | sprintf (buf, SDATA (Vfloat_output_format), data); |
38010d50 | 1133 | } |
edb2a707 | 1134 | |
c7b14277 JB |
1135 | /* Make sure there is a decimal point with digit after, or an |
1136 | exponent, so that the value is readable as a float. But don't do | |
322890c4 RS |
1137 | this with "%.0f"; it's valid for that not to produce a decimal |
1138 | point. Note that width can be 0 only for %.0f. */ | |
1139 | if (width != 0) | |
0601fd3d | 1140 | { |
c7b14277 JB |
1141 | for (cp = buf; *cp; cp++) |
1142 | if ((*cp < '0' || *cp > '9') && *cp != '-') | |
1143 | break; | |
0601fd3d | 1144 | |
c7b14277 JB |
1145 | if (*cp == '.' && cp[1] == 0) |
1146 | { | |
1147 | cp[1] = '0'; | |
1148 | cp[2] = 0; | |
1149 | } | |
1150 | ||
1151 | if (*cp == 0) | |
1152 | { | |
1153 | *cp++ = '.'; | |
1154 | *cp++ = '0'; | |
1155 | *cp++ = 0; | |
1156 | } | |
edb2a707 | 1157 | } |
38010d50 | 1158 | } |
cc94f3b2 | 1159 | |
38010d50 JB |
1160 | \f |
1161 | static void | |
1162 | print (obj, printcharfun, escapeflag) | |
38010d50 | 1163 | Lisp_Object obj; |
38010d50 JB |
1164 | register Lisp_Object printcharfun; |
1165 | int escapeflag; | |
1166 | { | |
0f25ecc6 | 1167 | print_depth = 0; |
0330bb60 | 1168 | old_backquote_output = 0; |
38010d50 | 1169 | |
0f25ecc6 RS |
1170 | /* Reset print_number_index and Vprint_number_table only when |
1171 | the variable Vprint_continuous_numbering is nil. Otherwise, | |
1172 | the values of these variables will be kept between several | |
1173 | print functions. */ | |
1174 | if (NILP (Vprint_continuous_numbering)) | |
1175 | { | |
1176 | print_number_index = 0; | |
1177 | Vprint_number_table = Qnil; | |
1178 | } | |
38010d50 | 1179 | |
0f25ecc6 RS |
1180 | /* Construct Vprint_number_table for print-gensym and print-circle. */ |
1181 | if (!NILP (Vprint_gensym) || !NILP (Vprint_circle)) | |
ec838c39 | 1182 | { |
73fb36f1 | 1183 | int i, start, index; |
73fb36f1 | 1184 | start = index = print_number_index; |
e6d4cddd RS |
1185 | /* Construct Vprint_number_table. |
1186 | This increments print_number_index for the objects added. */ | |
0f25ecc6 | 1187 | print_preprocess (obj); |
e6d4cddd | 1188 | |
0f25ecc6 | 1189 | /* Remove unnecessary objects, which appear only once in OBJ; |
e6d4cddd | 1190 | that is, whose status is Qnil. Compactify the necessary objects. */ |
73fb36f1 | 1191 | for (i = start; i < print_number_index; i++) |
0f25ecc6 RS |
1192 | if (!NILP (PRINT_NUMBER_STATUS (Vprint_number_table, i))) |
1193 | { | |
1194 | PRINT_NUMBER_OBJECT (Vprint_number_table, index) | |
1195 | = PRINT_NUMBER_OBJECT (Vprint_number_table, i); | |
0f25ecc6 RS |
1196 | index++; |
1197 | } | |
e6d4cddd RS |
1198 | |
1199 | /* Clear out objects outside the active part of the table. */ | |
1200 | for (i = index; i < print_number_index; i++) | |
1201 | PRINT_NUMBER_OBJECT (Vprint_number_table, i) = Qnil; | |
1202 | ||
1203 | /* Reset the status field for the next print step. Now this | |
1204 | field means whether the object has already been printed. */ | |
1205 | for (i = start; i < print_number_index; i++) | |
1206 | PRINT_NUMBER_STATUS (Vprint_number_table, i) = Qnil; | |
1207 | ||
0f25ecc6 RS |
1208 | print_number_index = index; |
1209 | } | |
1210 | ||
1211 | print_object (obj, printcharfun, escapeflag); | |
1212 | } | |
1213 | ||
1214 | /* Construct Vprint_number_table according to the structure of OBJ. | |
1215 | OBJ itself and all its elements will be added to Vprint_number_table | |
1216 | recursively if it is a list, vector, compiled function, char-table, | |
1217 | string (its text properties will be traced), or a symbol that has | |
1218 | no obarray (this is for the print-gensym feature). | |
1219 | The status fields of Vprint_number_table mean whether each object appears | |
1220 | more than once in OBJ: Qnil at the first time, and Qt after that . */ | |
1221 | static void | |
1222 | print_preprocess (obj) | |
1223 | Lisp_Object obj; | |
1224 | { | |
1225 | int i, size; | |
1226 | ||
1227 | loop: | |
1228 | if (STRINGP (obj) || CONSP (obj) || VECTORP (obj) | |
1229 | || COMPILEDP (obj) || CHAR_TABLE_P (obj) | |
1230 | || (! NILP (Vprint_gensym) | |
bf9f2aab GM |
1231 | && SYMBOLP (obj) |
1232 | && !SYMBOL_INTERNED_P (obj))) | |
0f25ecc6 | 1233 | { |
aca2020b KH |
1234 | /* In case print-circle is nil and print-gensym is t, |
1235 | add OBJ to Vprint_number_table only when OBJ is a symbol. */ | |
1236 | if (! NILP (Vprint_circle) || SYMBOLP (obj)) | |
0f25ecc6 | 1237 | { |
0f25ecc6 | 1238 | for (i = 0; i < print_number_index; i++) |
7c752c80 | 1239 | if (EQ (PRINT_NUMBER_OBJECT (Vprint_number_table, i), obj)) |
aca2020b KH |
1240 | { |
1241 | /* OBJ appears more than once. Let's remember that. */ | |
1242 | PRINT_NUMBER_STATUS (Vprint_number_table, i) = Qt; | |
1243 | return; | |
1244 | } | |
1245 | ||
1246 | /* OBJ is not yet recorded. Let's add to the table. */ | |
1247 | if (print_number_index == 0) | |
1248 | { | |
1249 | /* Initialize the table. */ | |
1250 | Vprint_number_table = Fmake_vector (make_number (40), Qnil); | |
1251 | } | |
1252 | else if (XVECTOR (Vprint_number_table)->size == print_number_index * 2) | |
0f25ecc6 | 1253 | { |
aca2020b KH |
1254 | /* Reallocate the table. */ |
1255 | int i = print_number_index * 4; | |
1256 | Lisp_Object old_table = Vprint_number_table; | |
1257 | Vprint_number_table = Fmake_vector (make_number (i), Qnil); | |
1258 | for (i = 0; i < print_number_index; i++) | |
1259 | { | |
1260 | PRINT_NUMBER_OBJECT (Vprint_number_table, i) | |
1261 | = PRINT_NUMBER_OBJECT (old_table, i); | |
1262 | PRINT_NUMBER_STATUS (Vprint_number_table, i) | |
1263 | = PRINT_NUMBER_STATUS (old_table, i); | |
1264 | } | |
0f25ecc6 | 1265 | } |
aca2020b KH |
1266 | PRINT_NUMBER_OBJECT (Vprint_number_table, print_number_index) = obj; |
1267 | /* If Vprint_continuous_numbering is non-nil and OBJ is a gensym, | |
1268 | always print the gensym with a number. This is a special for | |
1269 | the lisp function byte-compile-output-docform. */ | |
bf9f2aab GM |
1270 | if (!NILP (Vprint_continuous_numbering) |
1271 | && SYMBOLP (obj) | |
1272 | && !SYMBOL_INTERNED_P (obj)) | |
aca2020b KH |
1273 | PRINT_NUMBER_STATUS (Vprint_number_table, print_number_index) = Qt; |
1274 | print_number_index++; | |
0f25ecc6 | 1275 | } |
0f25ecc6 RS |
1276 | |
1277 | switch (XGCTYPE (obj)) | |
1278 | { | |
1279 | case Lisp_String: | |
0f25ecc6 | 1280 | /* A string may have text properties, which can be circular. */ |
d5db4077 | 1281 | traverse_intervals_noorder (STRING_INTERVALS (obj), |
8bbfc258 | 1282 | print_preprocess_string, Qnil); |
0f25ecc6 RS |
1283 | break; |
1284 | ||
1285 | case Lisp_Cons: | |
1286 | print_preprocess (XCAR (obj)); | |
1287 | obj = XCDR (obj); | |
1288 | goto loop; | |
1289 | ||
1290 | case Lisp_Vectorlike: | |
1291 | size = XVECTOR (obj)->size & PSEUDOVECTOR_SIZE_MASK; | |
1292 | for (i = 0; i < size; i++) | |
1293 | print_preprocess (XVECTOR (obj)->contents[i]); | |
ee5263af GM |
1294 | break; |
1295 | ||
1296 | default: | |
1297 | break; | |
0f25ecc6 RS |
1298 | } |
1299 | } | |
1300 | } | |
1301 | ||
0f25ecc6 RS |
1302 | static void |
1303 | print_preprocess_string (interval, arg) | |
1304 | INTERVAL interval; | |
1305 | Lisp_Object arg; | |
1306 | { | |
1307 | print_preprocess (interval->plist); | |
1308 | } | |
0f25ecc6 RS |
1309 | |
1310 | static void | |
1311 | print_object (obj, printcharfun, escapeflag) | |
1312 | Lisp_Object obj; | |
1313 | register Lisp_Object printcharfun; | |
1314 | int escapeflag; | |
1315 | { | |
1316 | char buf[30]; | |
1317 | ||
1318 | QUIT; | |
1319 | ||
1320 | /* Detect circularities and truncate them. */ | |
1321 | if (STRINGP (obj) || CONSP (obj) || VECTORP (obj) | |
1322 | || COMPILEDP (obj) || CHAR_TABLE_P (obj) | |
1323 | || (! NILP (Vprint_gensym) | |
bf9f2aab GM |
1324 | && SYMBOLP (obj) |
1325 | && !SYMBOL_INTERNED_P (obj))) | |
0f25ecc6 RS |
1326 | { |
1327 | if (NILP (Vprint_circle) && NILP (Vprint_gensym)) | |
1328 | { | |
1329 | /* Simple but incomplete way. */ | |
1330 | int i; | |
1331 | for (i = 0; i < print_depth; i++) | |
1332 | if (EQ (obj, being_printed[i])) | |
1333 | { | |
1334 | sprintf (buf, "#%d", i); | |
1335 | strout (buf, -1, -1, printcharfun, 0); | |
1336 | return; | |
1337 | } | |
1338 | being_printed[print_depth] = obj; | |
1339 | } | |
1340 | else | |
1341 | { | |
1342 | /* With the print-circle feature. */ | |
1343 | int i; | |
1344 | for (i = 0; i < print_number_index; i++) | |
7c752c80 | 1345 | if (EQ (PRINT_NUMBER_OBJECT (Vprint_number_table, i), obj)) |
0f25ecc6 RS |
1346 | { |
1347 | if (NILP (PRINT_NUMBER_STATUS (Vprint_number_table, i))) | |
1348 | { | |
1349 | /* Add a prefix #n= if OBJ has not yet been printed; | |
1350 | that is, its status field is nil. */ | |
1351 | sprintf (buf, "#%d=", i + 1); | |
1352 | strout (buf, -1, -1, printcharfun, 0); | |
1353 | /* OBJ is going to be printed. Set the status to t. */ | |
1354 | PRINT_NUMBER_STATUS (Vprint_number_table, i) = Qt; | |
1355 | break; | |
1356 | } | |
1357 | else | |
1358 | { | |
1359 | /* Just print #n# if OBJ has already been printed. */ | |
1360 | sprintf (buf, "#%d#", i + 1); | |
1361 | strout (buf, -1, -1, printcharfun, 0); | |
1362 | return; | |
1363 | } | |
1364 | } | |
1365 | } | |
ec838c39 | 1366 | } |
ec838c39 | 1367 | |
38010d50 JB |
1368 | print_depth++; |
1369 | ||
ec838c39 | 1370 | if (print_depth > PRINT_CIRCLE) |
38010d50 JB |
1371 | error ("Apparently circular structure being printed"); |
1372 | #ifdef MAX_PRINT_CHARS | |
1373 | if (max_print && print_chars > max_print) | |
1374 | { | |
1375 | PRINTCHAR ('\n'); | |
1376 | print_chars = 0; | |
1377 | } | |
1378 | #endif /* MAX_PRINT_CHARS */ | |
1379 | ||
ca0569ad | 1380 | switch (XGCTYPE (obj)) |
38010d50 | 1381 | { |
ca0569ad | 1382 | case Lisp_Int: |
b8180922 RS |
1383 | if (sizeof (int) == sizeof (EMACS_INT)) |
1384 | sprintf (buf, "%d", XINT (obj)); | |
1385 | else if (sizeof (long) == sizeof (EMACS_INT)) | |
63fbf4ff | 1386 | sprintf (buf, "%ld", (long) XINT (obj)); |
b8180922 RS |
1387 | else |
1388 | abort (); | |
dc2a0b79 | 1389 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1390 | break; |
1391 | ||
ca0569ad RS |
1392 | case Lisp_Float: |
1393 | { | |
1394 | char pigbuf[350]; /* see comments in float_to_string */ | |
38010d50 | 1395 | |
94b342ce | 1396 | float_to_string (pigbuf, XFLOAT_DATA (obj)); |
dc2a0b79 | 1397 | strout (pigbuf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1398 | } |
1399 | break; | |
ca0569ad RS |
1400 | |
1401 | case Lisp_String: | |
38010d50 JB |
1402 | if (!escapeflag) |
1403 | print_string (obj, printcharfun); | |
1404 | else | |
1405 | { | |
dc2a0b79 | 1406 | register int i, i_byte; |
38010d50 | 1407 | struct gcpro gcpro1; |
872a36d2 | 1408 | unsigned char *str; |
dc2a0b79 | 1409 | int size_byte; |
453fa987 RS |
1410 | /* 1 means we must ensure that the next character we output |
1411 | cannot be taken as part of a hex character escape. */ | |
1412 | int need_nonhex = 0; | |
db300f59 | 1413 | int multibyte = STRING_MULTIBYTE (obj); |
38010d50 | 1414 | |
7651e1f5 RS |
1415 | GCPRO1 (obj); |
1416 | ||
d5db4077 | 1417 | if (!NULL_INTERVAL_P (STRING_INTERVALS (obj))) |
7651e1f5 RS |
1418 | { |
1419 | PRINTCHAR ('#'); | |
1420 | PRINTCHAR ('('); | |
1421 | } | |
38010d50 JB |
1422 | |
1423 | PRINTCHAR ('\"'); | |
d5db4077 KR |
1424 | str = SDATA (obj); |
1425 | size_byte = SBYTES (obj); | |
dc2a0b79 RS |
1426 | |
1427 | for (i = 0, i_byte = 0; i_byte < size_byte;) | |
38010d50 | 1428 | { |
6ddd6eee RS |
1429 | /* Here, we must convert each multi-byte form to the |
1430 | corresponding character code before handing it to PRINTCHAR. */ | |
1431 | int len; | |
dc2a0b79 RS |
1432 | int c; |
1433 | ||
db300f59 | 1434 | if (multibyte) |
872a36d2 | 1435 | { |
765fe1d0 KH |
1436 | c = STRING_CHAR_AND_LENGTH (str + i_byte, |
1437 | size_byte - i_byte, len); | |
da1ad4e7 KH |
1438 | if (CHAR_VALID_P (c, 0)) |
1439 | i_byte += len; | |
1440 | else | |
1441 | c = str[i_byte++]; | |
872a36d2 | 1442 | } |
dc2a0b79 | 1443 | else |
872a36d2 | 1444 | c = str[i_byte++]; |
dc2a0b79 | 1445 | |
38010d50 | 1446 | QUIT; |
6ddd6eee | 1447 | |
38010d50 JB |
1448 | if (c == '\n' && print_escape_newlines) |
1449 | { | |
1450 | PRINTCHAR ('\\'); | |
1451 | PRINTCHAR ('n'); | |
1452 | } | |
c6f7982f RM |
1453 | else if (c == '\f' && print_escape_newlines) |
1454 | { | |
1455 | PRINTCHAR ('\\'); | |
1456 | PRINTCHAR ('f'); | |
1457 | } | |
ae7367d3 RS |
1458 | else if (multibyte |
1459 | && ! ASCII_BYTE_P (c) | |
1460 | && (SINGLE_BYTE_CHAR_P (c) || print_escape_multibyte)) | |
dc2a0b79 RS |
1461 | { |
1462 | /* When multibyte is disabled, | |
ae7367d3 RS |
1463 | print multibyte string chars using hex escapes. |
1464 | For a char code that could be in a unibyte string, | |
1465 | when found in a multibyte string, always use a hex escape | |
1466 | so it reads back as multibyte. */ | |
dc2a0b79 RS |
1467 | unsigned char outbuf[50]; |
1468 | sprintf (outbuf, "\\x%x", c); | |
1469 | strout (outbuf, -1, -1, printcharfun, 0); | |
453fa987 | 1470 | need_nonhex = 1; |
dc2a0b79 | 1471 | } |
db300f59 RS |
1472 | else if (! multibyte |
1473 | && SINGLE_BYTE_CHAR_P (c) && ! ASCII_BYTE_P (c) | |
835d0be6 | 1474 | && print_escape_nonascii) |
974a6ff5 | 1475 | { |
835d0be6 RS |
1476 | /* When printing in a multibyte buffer |
1477 | or when explicitly requested, | |
974a6ff5 KH |
1478 | print single-byte non-ASCII string chars |
1479 | using octal escapes. */ | |
1480 | unsigned char outbuf[5]; | |
1481 | sprintf (outbuf, "\\%03o", c); | |
1482 | strout (outbuf, -1, -1, printcharfun, 0); | |
1483 | } | |
38010d50 JB |
1484 | else |
1485 | { | |
453fa987 RS |
1486 | /* If we just had a hex escape, and this character |
1487 | could be taken as part of it, | |
1488 | output `\ ' to prevent that. */ | |
1b62edd6 KH |
1489 | if (need_nonhex) |
1490 | { | |
1491 | need_nonhex = 0; | |
1492 | if ((c >= 'a' && c <= 'f') | |
453fa987 | 1493 | || (c >= 'A' && c <= 'F') |
1b62edd6 KH |
1494 | || (c >= '0' && c <= '9')) |
1495 | strout ("\\ ", -1, -1, printcharfun, 0); | |
1496 | } | |
453fa987 | 1497 | |
38010d50 JB |
1498 | if (c == '\"' || c == '\\') |
1499 | PRINTCHAR ('\\'); | |
1500 | PRINTCHAR (c); | |
1501 | } | |
1502 | } | |
1503 | PRINTCHAR ('\"'); | |
7651e1f5 | 1504 | |
d5db4077 | 1505 | if (!NULL_INTERVAL_P (STRING_INTERVALS (obj))) |
7651e1f5 | 1506 | { |
d5db4077 | 1507 | traverse_intervals (STRING_INTERVALS (obj), |
8bbfc258 | 1508 | 0, print_interval, printcharfun); |
7651e1f5 RS |
1509 | PRINTCHAR (')'); |
1510 | } | |
7651e1f5 | 1511 | |
38010d50 JB |
1512 | UNGCPRO; |
1513 | } | |
ca0569ad | 1514 | break; |
38010d50 | 1515 | |
ca0569ad RS |
1516 | case Lisp_Symbol: |
1517 | { | |
1518 | register int confusing; | |
d5db4077 KR |
1519 | register unsigned char *p = SDATA (SYMBOL_NAME (obj)); |
1520 | register unsigned char *end = p + SBYTES (SYMBOL_NAME (obj)); | |
2190a05e | 1521 | register int c; |
dc2a0b79 RS |
1522 | int i, i_byte, size_byte; |
1523 | Lisp_Object name; | |
1524 | ||
76d0b3ae | 1525 | name = SYMBOL_NAME (obj); |
ca0569ad RS |
1526 | |
1527 | if (p != end && (*p == '-' || *p == '+')) p++; | |
1528 | if (p == end) | |
1529 | confusing = 0; | |
d27497e3 RS |
1530 | /* If symbol name begins with a digit, and ends with a digit, |
1531 | and contains nothing but digits and `e', it could be treated | |
1532 | as a number. So set CONFUSING. | |
1533 | ||
1534 | Symbols that contain periods could also be taken as numbers, | |
1535 | but periods are always escaped, so we don't have to worry | |
1536 | about them here. */ | |
1537 | else if (*p >= '0' && *p <= '9' | |
1538 | && end[-1] >= '0' && end[-1] <= '9') | |
ca0569ad | 1539 | { |
e837058b RS |
1540 | while (p != end && ((*p >= '0' && *p <= '9') |
1541 | /* Needed for \2e10. */ | |
1542 | || *p == 'e')) | |
ca0569ad RS |
1543 | p++; |
1544 | confusing = (end == p); | |
1545 | } | |
d27497e3 RS |
1546 | else |
1547 | confusing = 0; | |
ca0569ad | 1548 | |
bf9f2aab | 1549 | if (! NILP (Vprint_gensym) && !SYMBOL_INTERNED_P (obj)) |
081e0581 | 1550 | { |
081e0581 EN |
1551 | PRINTCHAR ('#'); |
1552 | PRINTCHAR (':'); | |
1553 | } | |
1554 | ||
d5db4077 | 1555 | size_byte = SBYTES (name); |
dc2a0b79 RS |
1556 | |
1557 | for (i = 0, i_byte = 0; i_byte < size_byte;) | |
ca0569ad | 1558 | { |
6ddd6eee RS |
1559 | /* Here, we must convert each multi-byte form to the |
1560 | corresponding character code before handing it to PRINTCHAR. */ | |
eba90784 | 1561 | FETCH_STRING_CHAR_ADVANCE (c, name, i, i_byte); |
ca0569ad | 1562 | QUIT; |
09eddb56 | 1563 | |
ca0569ad RS |
1564 | if (escapeflag) |
1565 | { | |
09eddb56 RS |
1566 | if (c == '\"' || c == '\\' || c == '\'' |
1567 | || c == ';' || c == '#' || c == '(' || c == ')' | |
1568 | || c == ',' || c =='.' || c == '`' | |
1569 | || c == '[' || c == ']' || c == '?' || c <= 040 | |
1570 | || confusing) | |
ca0569ad RS |
1571 | PRINTCHAR ('\\'), confusing = 0; |
1572 | } | |
1573 | PRINTCHAR (c); | |
1574 | } | |
1575 | } | |
1576 | break; | |
1577 | ||
1578 | case Lisp_Cons: | |
38010d50 | 1579 | /* If deeper than spec'd depth, print placeholder. */ |
d4ae1f7e | 1580 | if (INTEGERP (Vprint_level) |
38010d50 | 1581 | && print_depth > XINT (Vprint_level)) |
dc2a0b79 | 1582 | strout ("...", -1, -1, printcharfun, 0); |
2f100b5c EN |
1583 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) |
1584 | && (EQ (XCAR (obj), Qquote))) | |
1585 | { | |
1586 | PRINTCHAR ('\''); | |
0f25ecc6 | 1587 | print_object (XCAR (XCDR (obj)), printcharfun, escapeflag); |
2f100b5c EN |
1588 | } |
1589 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) | |
1590 | && (EQ (XCAR (obj), Qfunction))) | |
1591 | { | |
1592 | PRINTCHAR ('#'); | |
1593 | PRINTCHAR ('\''); | |
0f25ecc6 | 1594 | print_object (XCAR (XCDR (obj)), printcharfun, escapeflag); |
2f100b5c EN |
1595 | } |
1596 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) | |
0330bb60 | 1597 | && ! old_backquote_output |
2f100b5c EN |
1598 | && ((EQ (XCAR (obj), Qbackquote) |
1599 | || EQ (XCAR (obj), Qcomma) | |
1600 | || EQ (XCAR (obj), Qcomma_at) | |
1601 | || EQ (XCAR (obj), Qcomma_dot)))) | |
1602 | { | |
0f25ecc6 RS |
1603 | print_object (XCAR (obj), printcharfun, 0); |
1604 | print_object (XCAR (XCDR (obj)), printcharfun, escapeflag); | |
2f100b5c | 1605 | } |
e0f93814 | 1606 | else |
38010d50 | 1607 | { |
e0f93814 | 1608 | PRINTCHAR ('('); |
177c0ea7 | 1609 | |
0330bb60 RS |
1610 | /* If the first element is a backquote form, |
1611 | print it old-style so it won't be misunderstood. */ | |
1612 | if (print_quoted && CONSP (XCAR (obj)) | |
1613 | && CONSP (XCDR (XCAR (obj))) | |
1614 | && NILP (XCDR (XCDR (XCAR (obj)))) | |
1615 | && EQ (XCAR (XCAR (obj)), Qbackquote)) | |
1616 | { | |
1617 | Lisp_Object tem; | |
1618 | tem = XCAR (obj); | |
1619 | PRINTCHAR ('('); | |
1620 | ||
1621 | print_object (Qbackquote, printcharfun, 0); | |
1622 | PRINTCHAR (' '); | |
1623 | ||
1624 | ++old_backquote_output; | |
1625 | print_object (XCAR (XCDR (tem)), printcharfun, 0); | |
1626 | --old_backquote_output; | |
1627 | PRINTCHAR (')'); | |
1628 | ||
1629 | obj = XCDR (obj); | |
1630 | } | |
1631 | ||
38010d50 | 1632 | { |
42ac1ed4 | 1633 | int print_length, i; |
1eab22b5 | 1634 | Lisp_Object halftail = obj; |
e0f93814 | 1635 | |
9ab8560d | 1636 | /* Negative values of print-length are invalid in CL. |
42ac1ed4 GM |
1637 | Treat them like nil, as CMUCL does. */ |
1638 | if (NATNUMP (Vprint_length)) | |
1639 | print_length = XFASTINT (Vprint_length); | |
1640 | else | |
1641 | print_length = 0; | |
1642 | ||
1643 | i = 0; | |
e0f93814 | 1644 | while (CONSP (obj)) |
38010d50 | 1645 | { |
1eab22b5 | 1646 | /* Detect circular list. */ |
0f25ecc6 | 1647 | if (NILP (Vprint_circle)) |
1eab22b5 | 1648 | { |
0f25ecc6 RS |
1649 | /* Simple but imcomplete way. */ |
1650 | if (i != 0 && EQ (obj, halftail)) | |
1651 | { | |
1652 | sprintf (buf, " . #%d", i / 2); | |
1653 | strout (buf, -1, -1, printcharfun, 0); | |
1654 | goto end_of_list; | |
1655 | } | |
1656 | } | |
1657 | else | |
1658 | { | |
1659 | /* With the print-circle feature. */ | |
1660 | if (i != 0) | |
1661 | { | |
1662 | int i; | |
1663 | for (i = 0; i < print_number_index; i++) | |
42ac1ed4 GM |
1664 | if (EQ (PRINT_NUMBER_OBJECT (Vprint_number_table, i), |
1665 | obj)) | |
0f25ecc6 RS |
1666 | { |
1667 | if (NILP (PRINT_NUMBER_STATUS (Vprint_number_table, i))) | |
1668 | { | |
1669 | strout (" . ", 3, 3, printcharfun, 0); | |
1670 | print_object (obj, printcharfun, escapeflag); | |
1671 | } | |
1672 | else | |
1673 | { | |
1674 | sprintf (buf, " . #%d#", i + 1); | |
1675 | strout (buf, -1, -1, printcharfun, 0); | |
1676 | } | |
1677 | goto end_of_list; | |
1678 | } | |
1679 | } | |
1eab22b5 | 1680 | } |
177c0ea7 | 1681 | |
e0f93814 KH |
1682 | if (i++) |
1683 | PRINTCHAR (' '); | |
177c0ea7 | 1684 | |
f4fe72d5 | 1685 | if (print_length && i > print_length) |
e0f93814 | 1686 | { |
dc2a0b79 | 1687 | strout ("...", 3, 3, printcharfun, 0); |
0f25ecc6 | 1688 | goto end_of_list; |
e0f93814 | 1689 | } |
177c0ea7 | 1690 | |
0f25ecc6 | 1691 | print_object (XCAR (obj), printcharfun, escapeflag); |
177c0ea7 | 1692 | |
2f100b5c | 1693 | obj = XCDR (obj); |
1eab22b5 RS |
1694 | if (!(i & 1)) |
1695 | halftail = XCDR (halftail); | |
38010d50 | 1696 | } |
38010d50 | 1697 | } |
42ac1ed4 GM |
1698 | |
1699 | /* OBJ non-nil here means it's the end of a dotted list. */ | |
2f100b5c | 1700 | if (!NILP (obj)) |
e0f93814 | 1701 | { |
dc2a0b79 | 1702 | strout (" . ", 3, 3, printcharfun, 0); |
0f25ecc6 | 1703 | print_object (obj, printcharfun, escapeflag); |
e0f93814 | 1704 | } |
177c0ea7 | 1705 | |
0f25ecc6 | 1706 | end_of_list: |
e0f93814 | 1707 | PRINTCHAR (')'); |
38010d50 | 1708 | } |
ca0569ad RS |
1709 | break; |
1710 | ||
1711 | case Lisp_Vectorlike: | |
1712 | if (PROCESSP (obj)) | |
1713 | { | |
1714 | if (escapeflag) | |
1715 | { | |
dc2a0b79 | 1716 | strout ("#<process ", -1, -1, printcharfun, 0); |
ca0569ad RS |
1717 | print_string (XPROCESS (obj)->name, printcharfun); |
1718 | PRINTCHAR ('>'); | |
1719 | } | |
1720 | else | |
1721 | print_string (XPROCESS (obj)->name, printcharfun); | |
1722 | } | |
ed2c35ef RS |
1723 | else if (BOOL_VECTOR_P (obj)) |
1724 | { | |
1725 | register int i; | |
1726 | register unsigned char c; | |
1727 | struct gcpro gcpro1; | |
ed2c35ef | 1728 | int size_in_chars |
1bad7c59 | 1729 | = (XBOOL_VECTOR (obj)->size + BITS_PER_CHAR - 1) / BITS_PER_CHAR; |
ed2c35ef RS |
1730 | |
1731 | GCPRO1 (obj); | |
1732 | ||
1733 | PRINTCHAR ('#'); | |
1734 | PRINTCHAR ('&'); | |
1735 | sprintf (buf, "%d", XBOOL_VECTOR (obj)->size); | |
dc2a0b79 | 1736 | strout (buf, -1, -1, printcharfun, 0); |
ed2c35ef | 1737 | PRINTCHAR ('\"'); |
a40384bc | 1738 | |
42ac1ed4 | 1739 | /* Don't print more characters than the specified maximum. |
9ab8560d | 1740 | Negative values of print-length are invalid. Treat them |
42ac1ed4 GM |
1741 | like a print-length of nil. */ |
1742 | if (NATNUMP (Vprint_length) | |
1743 | && XFASTINT (Vprint_length) < size_in_chars) | |
1744 | size_in_chars = XFASTINT (Vprint_length); | |
a40384bc | 1745 | |
ed2c35ef RS |
1746 | for (i = 0; i < size_in_chars; i++) |
1747 | { | |
1748 | QUIT; | |
1749 | c = XBOOL_VECTOR (obj)->data[i]; | |
1750 | if (c == '\n' && print_escape_newlines) | |
1751 | { | |
1752 | PRINTCHAR ('\\'); | |
1753 | PRINTCHAR ('n'); | |
1754 | } | |
1755 | else if (c == '\f' && print_escape_newlines) | |
1756 | { | |
1757 | PRINTCHAR ('\\'); | |
1758 | PRINTCHAR ('f'); | |
1759 | } | |
1760 | else | |
1761 | { | |
1762 | if (c == '\"' || c == '\\') | |
1763 | PRINTCHAR ('\\'); | |
1764 | PRINTCHAR (c); | |
1765 | } | |
1766 | } | |
1767 | PRINTCHAR ('\"'); | |
1768 | ||
1769 | UNGCPRO; | |
1770 | } | |
ca0569ad RS |
1771 | else if (SUBRP (obj)) |
1772 | { | |
dc2a0b79 RS |
1773 | strout ("#<subr ", -1, -1, printcharfun, 0); |
1774 | strout (XSUBR (obj)->symbol_name, -1, -1, printcharfun, 0); | |
ca0569ad RS |
1775 | PRINTCHAR ('>'); |
1776 | } | |
ca0569ad RS |
1777 | else if (WINDOWP (obj)) |
1778 | { | |
dc2a0b79 | 1779 | strout ("#<window ", -1, -1, printcharfun, 0); |
ca0569ad | 1780 | sprintf (buf, "%d", XFASTINT (XWINDOW (obj)->sequence_number)); |
dc2a0b79 | 1781 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1782 | if (!NILP (XWINDOW (obj)->buffer)) |
1783 | { | |
dc2a0b79 | 1784 | strout (" on ", -1, -1, printcharfun, 0); |
ca0569ad RS |
1785 | print_string (XBUFFER (XWINDOW (obj)->buffer)->name, printcharfun); |
1786 | } | |
1787 | PRINTCHAR ('>'); | |
1788 | } | |
7eb03302 GM |
1789 | else if (HASH_TABLE_P (obj)) |
1790 | { | |
1791 | struct Lisp_Hash_Table *h = XHASH_TABLE (obj); | |
1792 | strout ("#<hash-table", -1, -1, printcharfun, 0); | |
1793 | if (SYMBOLP (h->test)) | |
1794 | { | |
1795 | PRINTCHAR (' '); | |
1796 | PRINTCHAR ('\''); | |
d5db4077 | 1797 | strout (SDATA (SYMBOL_NAME (h->test)), -1, -1, printcharfun, 0); |
7eb03302 | 1798 | PRINTCHAR (' '); |
d5db4077 | 1799 | strout (SDATA (SYMBOL_NAME (h->weak)), -1, -1, printcharfun, 0); |
7eb03302 GM |
1800 | PRINTCHAR (' '); |
1801 | sprintf (buf, "%d/%d", XFASTINT (h->count), | |
1802 | XVECTOR (h->next)->size); | |
1803 | strout (buf, -1, -1, printcharfun, 0); | |
1804 | } | |
1805 | sprintf (buf, " 0x%lx", (unsigned long) h); | |
1806 | strout (buf, -1, -1, printcharfun, 0); | |
1807 | PRINTCHAR ('>'); | |
1808 | } | |
908b0ae5 RS |
1809 | else if (BUFFERP (obj)) |
1810 | { | |
1811 | if (NILP (XBUFFER (obj)->name)) | |
dc2a0b79 | 1812 | strout ("#<killed buffer>", -1, -1, printcharfun, 0); |
908b0ae5 RS |
1813 | else if (escapeflag) |
1814 | { | |
dc2a0b79 | 1815 | strout ("#<buffer ", -1, -1, printcharfun, 0); |
908b0ae5 RS |
1816 | print_string (XBUFFER (obj)->name, printcharfun); |
1817 | PRINTCHAR ('>'); | |
1818 | } | |
1819 | else | |
1820 | print_string (XBUFFER (obj)->name, printcharfun); | |
1821 | } | |
ca0569ad RS |
1822 | else if (WINDOW_CONFIGURATIONP (obj)) |
1823 | { | |
dc2a0b79 | 1824 | strout ("#<window-configuration>", -1, -1, printcharfun, 0); |
ca0569ad | 1825 | } |
ca0569ad RS |
1826 | else if (FRAMEP (obj)) |
1827 | { | |
1828 | strout ((FRAME_LIVE_P (XFRAME (obj)) | |
1829 | ? "#<frame " : "#<dead frame "), | |
dc2a0b79 | 1830 | -1, -1, printcharfun, 0); |
ca0569ad | 1831 | print_string (XFRAME (obj)->name, printcharfun); |
aab3aa14 | 1832 | sprintf (buf, " 0x%lx", (unsigned long) (XFRAME (obj))); |
dc2a0b79 | 1833 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1834 | PRINTCHAR ('>'); |
1835 | } | |
ca0569ad RS |
1836 | else |
1837 | { | |
1838 | int size = XVECTOR (obj)->size; | |
1839 | if (COMPILEDP (obj)) | |
1840 | { | |
1841 | PRINTCHAR ('#'); | |
1842 | size &= PSEUDOVECTOR_SIZE_MASK; | |
1843 | } | |
ed2c35ef RS |
1844 | if (CHAR_TABLE_P (obj)) |
1845 | { | |
1846 | /* We print a char-table as if it were a vector, | |
1847 | lumping the parent and default slots in with the | |
1848 | character slots. But we add #^ as a prefix. */ | |
1849 | PRINTCHAR ('#'); | |
1850 | PRINTCHAR ('^'); | |
3701b5de KH |
1851 | if (SUB_CHAR_TABLE_P (obj)) |
1852 | PRINTCHAR ('^'); | |
ed2c35ef RS |
1853 | size &= PSEUDOVECTOR_SIZE_MASK; |
1854 | } | |
00d76abc KH |
1855 | if (size & PSEUDOVECTOR_FLAG) |
1856 | goto badtype; | |
ca0569ad RS |
1857 | |
1858 | PRINTCHAR ('['); | |
38010d50 | 1859 | { |
ca0569ad RS |
1860 | register int i; |
1861 | register Lisp_Object tem; | |
d6ac884e | 1862 | int real_size = size; |
a40384bc RS |
1863 | |
1864 | /* Don't print more elements than the specified maximum. */ | |
42ac1ed4 GM |
1865 | if (NATNUMP (Vprint_length) |
1866 | && XFASTINT (Vprint_length) < size) | |
1867 | size = XFASTINT (Vprint_length); | |
a40384bc | 1868 | |
ca0569ad RS |
1869 | for (i = 0; i < size; i++) |
1870 | { | |
1871 | if (i) PRINTCHAR (' '); | |
1872 | tem = XVECTOR (obj)->contents[i]; | |
0f25ecc6 | 1873 | print_object (tem, printcharfun, escapeflag); |
ca0569ad | 1874 | } |
d6ac884e KH |
1875 | if (size < real_size) |
1876 | strout (" ...", 4, 4, printcharfun, 0); | |
38010d50 | 1877 | } |
ca0569ad RS |
1878 | PRINTCHAR (']'); |
1879 | } | |
1880 | break; | |
1881 | ||
ca0569ad | 1882 | case Lisp_Misc: |
5db20f08 | 1883 | switch (XMISCTYPE (obj)) |
38010d50 | 1884 | { |
00d76abc | 1885 | case Lisp_Misc_Marker: |
dc2a0b79 | 1886 | strout ("#<marker ", -1, -1, printcharfun, 0); |
087e3c46 KH |
1887 | /* Do you think this is necessary? */ |
1888 | if (XMARKER (obj)->insertion_type != 0) | |
210ebd3d | 1889 | strout ("(moves after insertion) ", -1, -1, printcharfun, 0); |
ca0569ad | 1890 | if (!(XMARKER (obj)->buffer)) |
dc2a0b79 | 1891 | strout ("in no buffer", -1, -1, printcharfun, 0); |
ca0569ad RS |
1892 | else |
1893 | { | |
1894 | sprintf (buf, "at %d", marker_position (obj)); | |
dc2a0b79 RS |
1895 | strout (buf, -1, -1, printcharfun, 0); |
1896 | strout (" in ", -1, -1, printcharfun, 0); | |
ca0569ad RS |
1897 | print_string (XMARKER (obj)->buffer->name, printcharfun); |
1898 | } | |
38010d50 | 1899 | PRINTCHAR ('>'); |
908b0ae5 | 1900 | break; |
00d76abc KH |
1901 | |
1902 | case Lisp_Misc_Overlay: | |
dc2a0b79 | 1903 | strout ("#<overlay ", -1, -1, printcharfun, 0); |
ca0569ad | 1904 | if (!(XMARKER (OVERLAY_START (obj))->buffer)) |
dc2a0b79 | 1905 | strout ("in no buffer", -1, -1, printcharfun, 0); |
ca0569ad RS |
1906 | else |
1907 | { | |
1908 | sprintf (buf, "from %d to %d in ", | |
1909 | marker_position (OVERLAY_START (obj)), | |
1910 | marker_position (OVERLAY_END (obj))); | |
dc2a0b79 | 1911 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1912 | print_string (XMARKER (OVERLAY_START (obj))->buffer->name, |
1913 | printcharfun); | |
1914 | } | |
1915 | PRINTCHAR ('>'); | |
908b0ae5 | 1916 | break; |
00d76abc KH |
1917 | |
1918 | /* Remaining cases shouldn't happen in normal usage, but let's print | |
1919 | them anyway for the benefit of the debugger. */ | |
1920 | case Lisp_Misc_Free: | |
dc2a0b79 | 1921 | strout ("#<misc free cell>", -1, -1, printcharfun, 0); |
00d76abc KH |
1922 | break; |
1923 | ||
1924 | case Lisp_Misc_Intfwd: | |
1925 | sprintf (buf, "#<intfwd to %d>", *XINTFWD (obj)->intvar); | |
dc2a0b79 | 1926 | strout (buf, -1, -1, printcharfun, 0); |
00d76abc KH |
1927 | break; |
1928 | ||
1929 | case Lisp_Misc_Boolfwd: | |
1930 | sprintf (buf, "#<boolfwd to %s>", | |
1931 | (*XBOOLFWD (obj)->boolvar ? "t" : "nil")); | |
dc2a0b79 | 1932 | strout (buf, -1, -1, printcharfun, 0); |
00d76abc KH |
1933 | break; |
1934 | ||
1935 | case Lisp_Misc_Objfwd: | |
dc2a0b79 | 1936 | strout ("#<objfwd to ", -1, -1, printcharfun, 0); |
0f25ecc6 | 1937 | print_object (*XOBJFWD (obj)->objvar, printcharfun, escapeflag); |
00d76abc KH |
1938 | PRINTCHAR ('>'); |
1939 | break; | |
1940 | ||
1941 | case Lisp_Misc_Buffer_Objfwd: | |
dc2a0b79 | 1942 | strout ("#<buffer_objfwd to ", -1, -1, printcharfun, 0); |
f6cd0527 GM |
1943 | print_object (PER_BUFFER_VALUE (current_buffer, |
1944 | XBUFFER_OBJFWD (obj)->offset), | |
c3279ad4 | 1945 | printcharfun, escapeflag); |
3ac613c1 KH |
1946 | PRINTCHAR ('>'); |
1947 | break; | |
1948 | ||
fb917148 | 1949 | case Lisp_Misc_Kboard_Objfwd: |
dc2a0b79 | 1950 | strout ("#<kboard_objfwd to ", -1, -1, printcharfun, 0); |
0f25ecc6 RS |
1951 | print_object (*(Lisp_Object *)((char *) current_kboard |
1952 | + XKBOARD_OBJFWD (obj)->offset), | |
c3279ad4 | 1953 | printcharfun, escapeflag); |
00d76abc KH |
1954 | PRINTCHAR ('>'); |
1955 | break; | |
1956 | ||
1957 | case Lisp_Misc_Buffer_Local_Value: | |
dc2a0b79 | 1958 | strout ("#<buffer_local_value ", -1, -1, printcharfun, 0); |
00d76abc KH |
1959 | goto do_buffer_local; |
1960 | case Lisp_Misc_Some_Buffer_Local_Value: | |
dc2a0b79 | 1961 | strout ("#<some_buffer_local_value ", -1, -1, printcharfun, 0); |
00d76abc | 1962 | do_buffer_local: |
dc2a0b79 | 1963 | strout ("[realvalue] ", -1, -1, printcharfun, 0); |
0f25ecc6 RS |
1964 | print_object (XBUFFER_LOCAL_VALUE (obj)->realvalue, |
1965 | printcharfun, escapeflag); | |
03153771 RS |
1966 | if (XBUFFER_LOCAL_VALUE (obj)->found_for_buffer) |
1967 | strout ("[local in buffer] ", -1, -1, printcharfun, 0); | |
1968 | else | |
1969 | strout ("[buffer] ", -1, -1, printcharfun, 0); | |
0f25ecc6 RS |
1970 | print_object (XBUFFER_LOCAL_VALUE (obj)->buffer, |
1971 | printcharfun, escapeflag); | |
03153771 RS |
1972 | if (XBUFFER_LOCAL_VALUE (obj)->check_frame) |
1973 | { | |
1974 | if (XBUFFER_LOCAL_VALUE (obj)->found_for_frame) | |
1975 | strout ("[local in frame] ", -1, -1, printcharfun, 0); | |
1976 | else | |
1977 | strout ("[frame] ", -1, -1, printcharfun, 0); | |
0f25ecc6 RS |
1978 | print_object (XBUFFER_LOCAL_VALUE (obj)->frame, |
1979 | printcharfun, escapeflag); | |
03153771 | 1980 | } |
dc2a0b79 | 1981 | strout ("[alist-elt] ", -1, -1, printcharfun, 0); |
94b342ce | 1982 | print_object (XCAR (XBUFFER_LOCAL_VALUE (obj)->cdr), |
0f25ecc6 | 1983 | printcharfun, escapeflag); |
dc2a0b79 | 1984 | strout ("[default-value] ", -1, -1, printcharfun, 0); |
94b342ce | 1985 | print_object (XCDR (XBUFFER_LOCAL_VALUE (obj)->cdr), |
0f25ecc6 | 1986 | printcharfun, escapeflag); |
00d76abc KH |
1987 | PRINTCHAR ('>'); |
1988 | break; | |
1989 | ||
1990 | default: | |
1991 | goto badtype; | |
e0f93814 | 1992 | } |
00d76abc | 1993 | break; |
ca0569ad RS |
1994 | |
1995 | default: | |
00d76abc | 1996 | badtype: |
ca0569ad RS |
1997 | { |
1998 | /* We're in trouble if this happens! | |
1999 | Probably should just abort () */ | |
dc2a0b79 | 2000 | strout ("#<EMACS BUG: INVALID DATATYPE ", -1, -1, printcharfun, 0); |
00d76abc | 2001 | if (MISCP (obj)) |
5db20f08 | 2002 | sprintf (buf, "(MISC 0x%04x)", (int) XMISCTYPE (obj)); |
00d76abc KH |
2003 | else if (VECTORLIKEP (obj)) |
2004 | sprintf (buf, "(PVEC 0x%08x)", (int) XVECTOR (obj)->size); | |
2005 | else | |
2006 | sprintf (buf, "(0x%02x)", (int) XTYPE (obj)); | |
dc2a0b79 | 2007 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad | 2008 | strout (" Save your buffers immediately and please report this bug>", |
dc2a0b79 | 2009 | -1, -1, printcharfun, 0); |
ca0569ad | 2010 | } |
38010d50 JB |
2011 | } |
2012 | ||
2013 | print_depth--; | |
2014 | } | |
2015 | \f | |
7651e1f5 RS |
2016 | |
2017 | /* Print a description of INTERVAL using PRINTCHARFUN. | |
2018 | This is part of printing a string that has text properties. */ | |
2019 | ||
2020 | void | |
2021 | print_interval (interval, printcharfun) | |
2022 | INTERVAL interval; | |
2023 | Lisp_Object printcharfun; | |
2024 | { | |
30503c0b | 2025 | PRINTCHAR (' '); |
0f25ecc6 | 2026 | print_object (make_number (interval->position), printcharfun, 1); |
7651e1f5 | 2027 | PRINTCHAR (' '); |
0f25ecc6 | 2028 | print_object (make_number (interval->position + LENGTH (interval)), |
7651e1f5 RS |
2029 | printcharfun, 1); |
2030 | PRINTCHAR (' '); | |
0f25ecc6 | 2031 | print_object (interval->plist, printcharfun, 1); |
7651e1f5 RS |
2032 | } |
2033 | ||
7651e1f5 | 2034 | \f |
38010d50 JB |
2035 | void |
2036 | syms_of_print () | |
2037 | { | |
d9c21094 RS |
2038 | Qtemp_buffer_setup_hook = intern ("temp-buffer-setup-hook"); |
2039 | staticpro (&Qtemp_buffer_setup_hook); | |
2040 | ||
38010d50 | 2041 | DEFVAR_LISP ("standard-output", &Vstandard_output, |
8c1a1077 PJ |
2042 | doc: /* Output stream `print' uses by default for outputting a character. |
2043 | This may be any function of one argument. | |
2044 | It may also be a buffer (output is inserted before point) | |
2045 | or a marker (output is inserted and the marker is advanced) | |
2046 | or the symbol t (output appears in the echo area). */); | |
38010d50 JB |
2047 | Vstandard_output = Qt; |
2048 | Qstandard_output = intern ("standard-output"); | |
2049 | staticpro (&Qstandard_output); | |
2050 | ||
38010d50 | 2051 | DEFVAR_LISP ("float-output-format", &Vfloat_output_format, |
8c1a1077 PJ |
2052 | doc: /* The format descriptor string used to print floats. |
2053 | This is a %-spec like those accepted by `printf' in C, | |
2054 | but with some restrictions. It must start with the two characters `%.'. | |
2055 | After that comes an integer precision specification, | |
2056 | and then a letter which controls the format. | |
2057 | The letters allowed are `e', `f' and `g'. | |
2058 | Use `e' for exponential notation \"DIG.DIGITSeEXPT\" | |
2059 | Use `f' for decimal point notation \"DIGITS.DIGITS\". | |
2060 | Use `g' to choose the shorter of those two formats for the number at hand. | |
2061 | The precision in any of these cases is the number of digits following | |
2062 | the decimal point. With `f', a precision of 0 means to omit the | |
2063 | decimal point. 0 is not allowed with `e' or `g'. | |
2064 | ||
2065 | A value of nil means to use the shortest notation | |
2066 | that represents the number without losing information. */); | |
38010d50 JB |
2067 | Vfloat_output_format = Qnil; |
2068 | Qfloat_output_format = intern ("float-output-format"); | |
2069 | staticpro (&Qfloat_output_format); | |
38010d50 JB |
2070 | |
2071 | DEFVAR_LISP ("print-length", &Vprint_length, | |
8c1a1077 PJ |
2072 | doc: /* Maximum length of list to print before abbreviating. |
2073 | A value of nil means no limit. See also `eval-expression-print-length'. */); | |
38010d50 JB |
2074 | Vprint_length = Qnil; |
2075 | ||
2076 | DEFVAR_LISP ("print-level", &Vprint_level, | |
8c1a1077 PJ |
2077 | doc: /* Maximum depth of list nesting to print before abbreviating. |
2078 | A value of nil means no limit. See also `eval-expression-print-level'. */); | |
38010d50 JB |
2079 | Vprint_level = Qnil; |
2080 | ||
2081 | DEFVAR_BOOL ("print-escape-newlines", &print_escape_newlines, | |
8c1a1077 PJ |
2082 | doc: /* Non-nil means print newlines in strings as `\\n'. |
2083 | Also print formfeeds as `\\f'. */); | |
38010d50 JB |
2084 | print_escape_newlines = 0; |
2085 | ||
38940e93 | 2086 | DEFVAR_BOOL ("print-escape-nonascii", &print_escape_nonascii, |
8c1a1077 PJ |
2087 | doc: /* Non-nil means print unibyte non-ASCII chars in strings as \\OOO. |
2088 | \(OOO is the octal representation of the character code.) | |
249c0f71 RS |
2089 | Only single-byte characters are affected, and only in `prin1'. |
2090 | When the output goes in a multibyte buffer, this feature is | |
2091 | enabled regardless of the value of the variable. */); | |
38940e93 RS |
2092 | print_escape_nonascii = 0; |
2093 | ||
835d0be6 | 2094 | DEFVAR_BOOL ("print-escape-multibyte", &print_escape_multibyte, |
8c1a1077 PJ |
2095 | doc: /* Non-nil means print multibyte characters in strings as \\xXXXX. |
2096 | \(XXXX is the hex representation of the character code.) | |
2097 | This affects only `prin1'. */); | |
835d0be6 RS |
2098 | print_escape_multibyte = 0; |
2099 | ||
2f100b5c | 2100 | DEFVAR_BOOL ("print-quoted", &print_quoted, |
8c1a1077 PJ |
2101 | doc: /* Non-nil means print quoted forms with reader syntax. |
2102 | I.e., (quote foo) prints as 'foo, (function foo) as #'foo, and backquoted | |
2103 | forms print as in the new syntax. */); | |
2f100b5c EN |
2104 | print_quoted = 0; |
2105 | ||
e0f69431 | 2106 | DEFVAR_LISP ("print-gensym", &Vprint_gensym, |
8c1a1077 PJ |
2107 | doc: /* Non-nil means print uninterned symbols so they will read as uninterned. |
2108 | I.e., the value of (make-symbol \"foobar\") prints as #:foobar. | |
2109 | When the uninterned symbol appears within a recursive data structure, | |
2110 | and the symbol appears more than once, in addition use the #N# and #N= | |
2111 | constructs as needed, so that multiple references to the same symbol are | |
2112 | shared once again when the text is read back. */); | |
e0f69431 RS |
2113 | Vprint_gensym = Qnil; |
2114 | ||
0f25ecc6 | 2115 | DEFVAR_LISP ("print-circle", &Vprint_circle, |
8c1a1077 PJ |
2116 | doc: /* *Non-nil means print recursive structures using #N= and #N# syntax. |
2117 | If nil, printing proceeds recursively and may lead to | |
2118 | `max-lisp-eval-depth' being exceeded or an error may occur: | |
2119 | \"Apparently circular structure being printed.\" Also see | |
2120 | `print-length' and `print-level'. | |
2121 | If non-nil, shared substructures anywhere in the structure are printed | |
2122 | with `#N=' before the first occurrence (in the order of the print | |
2123 | representation) and `#N#' in place of each subsequent occurrence, | |
2124 | where N is a positive decimal integer. */); | |
0f25ecc6 RS |
2125 | Vprint_circle = Qnil; |
2126 | ||
2127 | DEFVAR_LISP ("print-continuous-numbering", &Vprint_continuous_numbering, | |
8c1a1077 PJ |
2128 | doc: /* *Non-nil means number continuously across print calls. |
2129 | This affects the numbers printed for #N= labels and #M# references. | |
2130 | See also `print-circle', `print-gensym', and `print-number-table'. | |
2131 | This variable should not be set with `setq'; bind it with a `let' instead. */); | |
0f25ecc6 RS |
2132 | Vprint_continuous_numbering = Qnil; |
2133 | ||
2134 | DEFVAR_LISP ("print-number-table", &Vprint_number_table, | |
8c1a1077 PJ |
2135 | doc: /* A vector used internally to produce `#N=' labels and `#N#' references. |
2136 | The Lisp printer uses this vector to detect Lisp objects referenced more | |
e6d4cddd RS |
2137 | than once. |
2138 | ||
2139 | When you bind `print-continuous-numbering' to t, you should probably | |
2140 | also bind `print-number-table' to nil. This ensures that the value of | |
2141 | `print-number-table' can be garbage-collected once the printing is | |
2142 | done. If all elements of `print-number-table' are nil, it means that | |
2143 | the printing done so far has not found any shared structure or objects | |
2144 | that need to be recorded in the table. */); | |
0f25ecc6 | 2145 | Vprint_number_table = Qnil; |
081e0581 | 2146 | |
38010d50 JB |
2147 | /* prin1_to_string_buffer initialized in init_buffer_once in buffer.c */ |
2148 | staticpro (&Vprin1_to_string_buffer); | |
2149 | ||
2150 | defsubr (&Sprin1); | |
2151 | defsubr (&Sprin1_to_string); | |
113620cc | 2152 | defsubr (&Serror_message_string); |
38010d50 JB |
2153 | defsubr (&Sprinc); |
2154 | defsubr (&Sprint); | |
2155 | defsubr (&Sterpri); | |
2156 | defsubr (&Swrite_char); | |
2157 | defsubr (&Sexternal_debugging_output); | |
2158 | ||
2159 | Qexternal_debugging_output = intern ("external-debugging-output"); | |
2160 | staticpro (&Qexternal_debugging_output); | |
2161 | ||
2f100b5c EN |
2162 | Qprint_escape_newlines = intern ("print-escape-newlines"); |
2163 | staticpro (&Qprint_escape_newlines); | |
2164 | ||
835d0be6 RS |
2165 | Qprint_escape_multibyte = intern ("print-escape-multibyte"); |
2166 | staticpro (&Qprint_escape_multibyte); | |
2167 | ||
2168 | Qprint_escape_nonascii = intern ("print-escape-nonascii"); | |
2169 | staticpro (&Qprint_escape_nonascii); | |
2170 | ||
38010d50 | 2171 | defsubr (&Swith_output_to_temp_buffer); |
38010d50 | 2172 | } |