Commit | Line | Data |
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38010d50 | 1 | /* Lisp object printing and output streams. |
1cf21850 LK |
2 | Copyright (C) 1985, 1986, 1988, 1993, 1994, 1995, 1997, 1998, 1999, |
3 | 2000, 2001, 2003, 2004, 2005 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 | |
4fc5845f LK |
19 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
20 | Boston, MA 02110-1301, 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 | { \ | |
1cf21850 LK |
214 | EMACS_INT marker_pos; \ |
215 | if (!(XMARKER (printcharfun)->buffer)) \ | |
0788646c | 216 | error ("Marker does not point anywhere"); \ |
1cf21850 LK |
217 | if (XMARKER (printcharfun)->buffer != current_buffer) \ |
218 | set_buffer_internal (XMARKER (printcharfun)->buffer); \ | |
219 | marker_pos = marker_position (printcharfun); \ | |
220 | if (marker_pos < BEGV || marker_pos > ZV) \ | |
221 | error ("Marker is outside the accessible part of the buffer"); \ | |
0788646c GM |
222 | old_point = PT; \ |
223 | old_point_byte = PT_BYTE; \ | |
1cf21850 | 224 | SET_PT_BOTH (marker_pos, \ |
0788646c GM |
225 | marker_byte_position (printcharfun)); \ |
226 | start_point = PT; \ | |
227 | start_point_byte = PT_BYTE; \ | |
228 | printcharfun = Qnil; \ | |
229 | } \ | |
230 | if (NILP (printcharfun)) \ | |
231 | { \ | |
232 | Lisp_Object string; \ | |
233 | if (NILP (current_buffer->enable_multibyte_characters) \ | |
234 | && ! print_escape_multibyte) \ | |
235 | specbind (Qprint_escape_multibyte, Qt); \ | |
d39f07c2 RS |
236 | if (! NILP (current_buffer->enable_multibyte_characters) \ |
237 | && ! print_escape_nonascii) \ | |
238 | specbind (Qprint_escape_nonascii, Qt); \ | |
0788646c GM |
239 | if (print_buffer != 0) \ |
240 | { \ | |
241 | string = make_string_from_bytes (print_buffer, \ | |
242 | print_buffer_pos, \ | |
243 | print_buffer_pos_byte); \ | |
244 | record_unwind_protect (print_unwind, string); \ | |
245 | } \ | |
246 | else \ | |
247 | { \ | |
248 | print_buffer_size = 1000; \ | |
249 | print_buffer = (char *) xmalloc (print_buffer_size); \ | |
250 | free_print_buffer = 1; \ | |
251 | } \ | |
252 | print_buffer_pos = 0; \ | |
253 | print_buffer_pos_byte = 0; \ | |
254 | } \ | |
5494b50f | 255 | if (EQ (printcharfun, Qt) && ! noninteractive) \ |
0f25ecc6 | 256 | setup_echo_area_for_printing (multibyte); |
38010d50 | 257 | |
8a2ab0c6 RS |
258 | #define PRINTFINISH \ |
259 | if (NILP (printcharfun)) \ | |
260 | { \ | |
261 | if (print_buffer_pos != print_buffer_pos_byte \ | |
262 | && NILP (current_buffer->enable_multibyte_characters)) \ | |
263 | { \ | |
264 | unsigned char *temp \ | |
265 | = (unsigned char *) alloca (print_buffer_pos + 1); \ | |
266 | copy_text (print_buffer, temp, print_buffer_pos_byte, \ | |
267 | 1, 0); \ | |
268 | insert_1_both (temp, print_buffer_pos, \ | |
269 | print_buffer_pos, 0, 1, 0); \ | |
270 | } \ | |
271 | else \ | |
272 | insert_1_both (print_buffer, print_buffer_pos, \ | |
273 | print_buffer_pos_byte, 0, 1, 0); \ | |
274 | } \ | |
275 | if (free_print_buffer) \ | |
276 | { \ | |
277 | xfree (print_buffer); \ | |
278 | print_buffer = 0; \ | |
279 | } \ | |
280 | unbind_to (specpdl_count, Qnil); \ | |
281 | if (MARKERP (original)) \ | |
282 | set_marker_both (original, Qnil, PT, PT_BYTE); \ | |
283 | if (old_point >= 0) \ | |
284 | SET_PT_BOTH (old_point + (old_point >= start_point \ | |
285 | ? PT - start_point : 0), \ | |
6ddd6eee RS |
286 | old_point_byte + (old_point_byte >= start_point_byte \ |
287 | ? PT_BYTE - start_point_byte : 0)); \ | |
8a2ab0c6 | 288 | if (old != current_buffer) \ |
0f25ecc6 | 289 | set_buffer_internal (old); |
38010d50 JB |
290 | |
291 | #define PRINTCHAR(ch) printchar (ch, printcharfun) | |
292 | ||
08e8d297 RS |
293 | /* This is used to restore the saved contents of print_buffer |
294 | when there is a recursive call to print. */ | |
0788646c | 295 | |
08e8d297 RS |
296 | static Lisp_Object |
297 | print_unwind (saved_text) | |
298 | Lisp_Object saved_text; | |
299 | { | |
d5db4077 | 300 | bcopy (SDATA (saved_text), print_buffer, SCHARS (saved_text)); |
ee5263af | 301 | return Qnil; |
08e8d297 RS |
302 | } |
303 | ||
0788646c GM |
304 | |
305 | /* Print character CH using method FUN. FUN nil means print to | |
306 | print_buffer. FUN t means print to echo area or stdout if | |
307 | non-interactive. If FUN is neither nil nor t, call FUN with CH as | |
308 | argument. */ | |
38010d50 JB |
309 | |
310 | static void | |
311 | printchar (ch, fun) | |
087e3c46 | 312 | unsigned int ch; |
38010d50 JB |
313 | Lisp_Object fun; |
314 | { | |
38010d50 JB |
315 | #ifdef MAX_PRINT_CHARS |
316 | if (max_print) | |
317 | print_chars++; | |
318 | #endif /* MAX_PRINT_CHARS */ | |
38010d50 | 319 | |
0788646c GM |
320 | if (!NILP (fun) && !EQ (fun, Qt)) |
321 | call1 (fun, make_number (ch)); | |
322 | else | |
38010d50 | 323 | { |
19a86a03 KH |
324 | unsigned char str[MAX_MULTIBYTE_LENGTH]; |
325 | int len = CHAR_STRING (ch, str); | |
326 | ||
09eddb56 | 327 | QUIT; |
177c0ea7 | 328 | |
0788646c | 329 | if (NILP (fun)) |
9a4d01d8 | 330 | { |
0788646c GM |
331 | if (print_buffer_pos_byte + len >= print_buffer_size) |
332 | print_buffer = (char *) xrealloc (print_buffer, | |
333 | print_buffer_size *= 2); | |
334 | bcopy (str, print_buffer + print_buffer_pos_byte, len); | |
335 | print_buffer_pos += 1; | |
336 | print_buffer_pos_byte += len; | |
9a4d01d8 | 337 | } |
0788646c | 338 | else if (noninteractive) |
1134b854 | 339 | { |
0788646c GM |
340 | fwrite (str, 1, len, stdout); |
341 | noninteractive_need_newline = 1; | |
1134b854 | 342 | } |
0788646c | 343 | else |
d366d2e4 | 344 | { |
0788646c GM |
345 | int multibyte_p |
346 | = !NILP (current_buffer->enable_multibyte_characters); | |
177c0ea7 | 347 | |
eb7b678b | 348 | setup_echo_area_for_printing (multibyte_p); |
0788646c GM |
349 | insert_char (ch); |
350 | message_dolog (str, len, 0, multibyte_p); | |
d366d2e4 | 351 | } |
38010d50 | 352 | } |
38010d50 JB |
353 | } |
354 | ||
0788646c GM |
355 | |
356 | /* Output SIZE characters, SIZE_BYTE bytes from string PTR using | |
357 | method PRINTCHARFUN. If SIZE < 0, use the string length of PTR for | |
358 | both SIZE and SIZE_BYTE. PRINTCHARFUN nil means output to | |
359 | print_buffer. PRINTCHARFUN t means output to the echo area or to | |
360 | stdout if non-interactive. If neither nil nor t, call Lisp | |
361 | function PRINTCHARFUN for each character printed. MULTIBYTE | |
362 | non-zero means PTR contains multibyte characters. */ | |
363 | ||
38010d50 | 364 | static void |
dc2a0b79 | 365 | strout (ptr, size, size_byte, printcharfun, multibyte) |
38010d50 | 366 | char *ptr; |
dc2a0b79 | 367 | int size, size_byte; |
38010d50 | 368 | Lisp_Object printcharfun; |
dc2a0b79 | 369 | int multibyte; |
38010d50 | 370 | { |
087e3c46 | 371 | if (size < 0) |
dc2a0b79 | 372 | size_byte = size = strlen (ptr); |
087e3c46 | 373 | |
0788646c | 374 | if (NILP (printcharfun)) |
38010d50 | 375 | { |
dc2a0b79 | 376 | if (print_buffer_pos_byte + size_byte > print_buffer_size) |
6fec5601 | 377 | { |
dc2a0b79 | 378 | print_buffer_size = print_buffer_size * 2 + size_byte; |
6fec5601 RS |
379 | print_buffer = (char *) xrealloc (print_buffer, |
380 | print_buffer_size); | |
381 | } | |
dc2a0b79 | 382 | bcopy (ptr, print_buffer + print_buffer_pos_byte, size_byte); |
6fec5601 | 383 | print_buffer_pos += size; |
dc2a0b79 | 384 | print_buffer_pos_byte += size_byte; |
6fec5601 | 385 | |
38010d50 JB |
386 | #ifdef MAX_PRINT_CHARS |
387 | if (max_print) | |
6fec5601 | 388 | print_chars += size; |
38010d50 | 389 | #endif /* MAX_PRINT_CHARS */ |
38010d50 | 390 | } |
7b0cb8a0 | 391 | else if (noninteractive && EQ (printcharfun, Qt)) |
38010d50 | 392 | { |
0788646c GM |
393 | fwrite (ptr, 1, size_byte, stdout); |
394 | noninteractive_need_newline = 1; | |
395 | } | |
396 | else if (EQ (printcharfun, Qt)) | |
397 | { | |
398 | /* Output to echo area. We're trying to avoid a little overhead | |
399 | here, that's the reason we don't call printchar to do the | |
400 | job. */ | |
401 | int i; | |
402 | int multibyte_p | |
403 | = !NILP (current_buffer->enable_multibyte_characters); | |
177c0ea7 | 404 | |
eb7b678b | 405 | setup_echo_area_for_printing (multibyte_p); |
0788646c | 406 | message_dolog (ptr, size_byte, 0, multibyte_p); |
177c0ea7 | 407 | |
0788646c | 408 | if (size == size_byte) |
38010d50 | 409 | { |
0788646c | 410 | for (i = 0; i < size; ++i) |
ada329e6 | 411 | insert_char ((unsigned char )*ptr++); |
38010d50 | 412 | } |
0788646c | 413 | else |
38010d50 | 414 | { |
0788646c GM |
415 | int len; |
416 | for (i = 0; i < size_byte; i += len) | |
aec2b95b | 417 | { |
0788646c GM |
418 | int ch = STRING_CHAR_AND_LENGTH (ptr + i, size_byte - i, len); |
419 | insert_char (ch); | |
aec2b95b | 420 | } |
38010d50 | 421 | } |
177c0ea7 | 422 | |
0788646c GM |
423 | #ifdef MAX_PRINT_CHARS |
424 | if (max_print) | |
425 | print_chars += size; | |
426 | #endif /* MAX_PRINT_CHARS */ | |
427 | } | |
428 | else | |
429 | { | |
430 | /* PRINTCHARFUN is a Lisp function. */ | |
431 | int i = 0; | |
38010d50 | 432 | |
0788646c | 433 | if (size == size_byte) |
4ad8bb20 | 434 | { |
0788646c | 435 | while (i < size_byte) |
4ad8bb20 | 436 | { |
0788646c GM |
437 | int ch = ptr[i++]; |
438 | PRINTCHAR (ch); | |
4ad8bb20 | 439 | } |
4ad8bb20 | 440 | } |
0788646c | 441 | else |
087e3c46 | 442 | { |
0788646c GM |
443 | while (i < size_byte) |
444 | { | |
445 | /* Here, we must convert each multi-byte form to the | |
446 | corresponding character code before handing it to | |
447 | PRINTCHAR. */ | |
448 | int len; | |
449 | int ch = STRING_CHAR_AND_LENGTH (ptr + i, size_byte - i, len); | |
450 | PRINTCHAR (ch); | |
451 | i += len; | |
452 | } | |
087e3c46 | 453 | } |
38010d50 | 454 | } |
38010d50 JB |
455 | } |
456 | ||
457 | /* Print the contents of a string STRING using PRINTCHARFUN. | |
ed2c35ef RS |
458 | It isn't safe to use strout in many cases, |
459 | because printing one char can relocate. */ | |
38010d50 | 460 | |
dc2a0b79 | 461 | static void |
38010d50 JB |
462 | print_string (string, printcharfun) |
463 | Lisp_Object string; | |
464 | Lisp_Object printcharfun; | |
465 | { | |
6fec5601 | 466 | if (EQ (printcharfun, Qt) || NILP (printcharfun)) |
375fcc09 KH |
467 | { |
468 | int chars; | |
469 | ||
470 | if (STRING_MULTIBYTE (string)) | |
d5db4077 | 471 | chars = SCHARS (string); |
375fcc09 KH |
472 | else if (EQ (printcharfun, Qt) |
473 | ? ! NILP (buffer_defaults.enable_multibyte_characters) | |
474 | : ! NILP (current_buffer->enable_multibyte_characters)) | |
a76ef35d KH |
475 | { |
476 | /* If unibyte string STRING contains 8-bit codes, we must | |
477 | convert STRING to a multibyte string containing the same | |
478 | character codes. */ | |
479 | Lisp_Object newstr; | |
480 | int bytes; | |
481 | ||
d5db4077 KR |
482 | chars = SBYTES (string); |
483 | bytes = parse_str_to_multibyte (SDATA (string), chars); | |
a76ef35d KH |
484 | if (chars < bytes) |
485 | { | |
486 | newstr = make_uninit_multibyte_string (chars, bytes); | |
d5db4077 KR |
487 | bcopy (SDATA (string), SDATA (newstr), chars); |
488 | str_to_multibyte (SDATA (newstr), bytes, chars); | |
a76ef35d KH |
489 | string = newstr; |
490 | } | |
491 | } | |
375fcc09 | 492 | else |
d5db4077 | 493 | chars = SBYTES (string); |
375fcc09 KH |
494 | |
495 | /* strout is safe for output to a frame (echo area) or to print_buffer. */ | |
d5db4077 KR |
496 | strout (SDATA (string), |
497 | chars, SBYTES (string), | |
375fcc09 KH |
498 | printcharfun, STRING_MULTIBYTE (string)); |
499 | } | |
38010d50 JB |
500 | else |
501 | { | |
dc2a0b79 RS |
502 | /* Otherwise, string may be relocated by printing one char. |
503 | So re-fetch the string address for each character. */ | |
38010d50 | 504 | int i; |
d5db4077 KR |
505 | int size = SCHARS (string); |
506 | int size_byte = SBYTES (string); | |
38010d50 JB |
507 | struct gcpro gcpro1; |
508 | GCPRO1 (string); | |
dc2a0b79 RS |
509 | if (size == size_byte) |
510 | for (i = 0; i < size; i++) | |
d5db4077 | 511 | PRINTCHAR (SREF (string, i)); |
dc2a0b79 | 512 | else |
1661e56b | 513 | for (i = 0; i < size_byte; ) |
dc2a0b79 RS |
514 | { |
515 | /* Here, we must convert each multi-byte form to the | |
516 | corresponding character code before handing it to PRINTCHAR. */ | |
517 | int len; | |
d5db4077 | 518 | int ch = STRING_CHAR_AND_LENGTH (SDATA (string) + i, |
765fe1d0 | 519 | size_byte - i, len); |
da1ad4e7 KH |
520 | if (!CHAR_VALID_P (ch, 0)) |
521 | { | |
d5db4077 | 522 | ch = SREF (string, i); |
da1ad4e7 KH |
523 | len = 1; |
524 | } | |
dc2a0b79 RS |
525 | PRINTCHAR (ch); |
526 | i += len; | |
527 | } | |
38010d50 JB |
528 | UNGCPRO; |
529 | } | |
530 | } | |
531 | \f | |
532 | DEFUN ("write-char", Fwrite_char, Swrite_char, 1, 2, 0, | |
8c1a1077 PJ |
533 | doc: /* Output character CHARACTER to stream PRINTCHARFUN. |
534 | PRINTCHARFUN defaults to the value of `standard-output' (which see). */) | |
535 | (character, printcharfun) | |
3738a371 | 536 | Lisp_Object character, printcharfun; |
38010d50 | 537 | { |
081e0581 | 538 | PRINTDECLARE; |
38010d50 | 539 | |
10eebdbb | 540 | if (NILP (printcharfun)) |
38010d50 | 541 | printcharfun = Vstandard_output; |
b7826503 | 542 | CHECK_NUMBER (character); |
38010d50 | 543 | PRINTPREPARE; |
3738a371 | 544 | PRINTCHAR (XINT (character)); |
38010d50 | 545 | PRINTFINISH; |
3738a371 | 546 | return character; |
38010d50 JB |
547 | } |
548 | ||
dc2a0b79 RS |
549 | /* Used from outside of print.c to print a block of SIZE |
550 | single-byte chars at DATA on the default output stream. | |
38010d50 JB |
551 | Do not use this on the contents of a Lisp string. */ |
552 | ||
dc22f25e | 553 | void |
38010d50 JB |
554 | write_string (data, size) |
555 | char *data; | |
556 | int size; | |
557 | { | |
081e0581 | 558 | PRINTDECLARE; |
38010d50 | 559 | Lisp_Object printcharfun; |
38010d50 JB |
560 | |
561 | printcharfun = Vstandard_output; | |
562 | ||
563 | PRINTPREPARE; | |
dc2a0b79 | 564 | strout (data, size, size, printcharfun, 0); |
38010d50 JB |
565 | PRINTFINISH; |
566 | } | |
567 | ||
dc2a0b79 RS |
568 | /* Used from outside of print.c to print a block of SIZE |
569 | single-byte chars at DATA on a specified stream PRINTCHARFUN. | |
38010d50 JB |
570 | Do not use this on the contents of a Lisp string. */ |
571 | ||
dc22f25e | 572 | void |
38010d50 JB |
573 | write_string_1 (data, size, printcharfun) |
574 | char *data; | |
575 | int size; | |
576 | Lisp_Object printcharfun; | |
577 | { | |
081e0581 | 578 | PRINTDECLARE; |
38010d50 JB |
579 | |
580 | PRINTPREPARE; | |
dc2a0b79 | 581 | strout (data, size, size, printcharfun, 0); |
38010d50 JB |
582 | PRINTFINISH; |
583 | } | |
584 | ||
585 | ||
38010d50 JB |
586 | void |
587 | temp_output_buffer_setup (bufname) | |
3f7e390a | 588 | const char *bufname; |
38010d50 | 589 | { |
aed13378 | 590 | int count = SPECPDL_INDEX (); |
38010d50 JB |
591 | register struct buffer *old = current_buffer; |
592 | register Lisp_Object buf; | |
593 | ||
d9c21094 RS |
594 | record_unwind_protect (set_buffer_if_live, Fcurrent_buffer ()); |
595 | ||
38010d50 JB |
596 | Fset_buffer (Fget_buffer_create (build_string (bufname))); |
597 | ||
9756ea0f | 598 | Fkill_all_local_variables (); |
fd531951 | 599 | delete_all_overlays (current_buffer); |
2a1c968a | 600 | current_buffer->directory = old->directory; |
38010d50 | 601 | current_buffer->read_only = Qnil; |
c5c6d57c KH |
602 | current_buffer->filename = Qnil; |
603 | current_buffer->undo_list = Qt; | |
b3f6010e SM |
604 | eassert (current_buffer->overlays_before == NULL); |
605 | eassert (current_buffer->overlays_after == NULL); | |
c5c6d57c KH |
606 | current_buffer->enable_multibyte_characters |
607 | = buffer_defaults.enable_multibyte_characters; | |
d28eab19 KH |
608 | specbind (Qinhibit_read_only, Qt); |
609 | specbind (Qinhibit_modification_hooks, Qt); | |
38010d50 | 610 | Ferase_buffer (); |
633307b5 | 611 | XSETBUFFER (buf, current_buffer); |
38010d50 | 612 | |
98040cf1 | 613 | Frun_hooks (1, &Qtemp_buffer_setup_hook); |
d9c21094 RS |
614 | |
615 | unbind_to (count, Qnil); | |
616 | ||
617 | specbind (Qstandard_output, buf); | |
38010d50 JB |
618 | } |
619 | ||
620 | Lisp_Object | |
621 | internal_with_output_to_temp_buffer (bufname, function, args) | |
3f7e390a | 622 | const char *bufname; |
dfcf069d | 623 | Lisp_Object (*function) P_ ((Lisp_Object)); |
38010d50 JB |
624 | Lisp_Object args; |
625 | { | |
aed13378 | 626 | int count = SPECPDL_INDEX (); |
38010d50 | 627 | Lisp_Object buf, val; |
0ab39c81 | 628 | struct gcpro gcpro1; |
38010d50 | 629 | |
0ab39c81 | 630 | GCPRO1 (args); |
38010d50 JB |
631 | record_unwind_protect (Fset_buffer, Fcurrent_buffer ()); |
632 | temp_output_buffer_setup (bufname); | |
633 | buf = Vstandard_output; | |
0ab39c81 | 634 | UNGCPRO; |
38010d50 JB |
635 | |
636 | val = (*function) (args); | |
637 | ||
0ab39c81 | 638 | GCPRO1 (val); |
38010d50 | 639 | temp_output_buffer_show (buf); |
0ab39c81 | 640 | UNGCPRO; |
38010d50 JB |
641 | |
642 | return unbind_to (count, val); | |
643 | } | |
644 | ||
ab9ffd19 MB |
645 | DEFUN ("with-output-to-temp-buffer", |
646 | Fwith_output_to_temp_buffer, Swith_output_to_temp_buffer, | |
38010d50 | 647 | 1, UNEVALLED, 0, |
8c1a1077 PJ |
648 | doc: /* Bind `standard-output' to buffer BUFNAME, eval BODY, then show that buffer. |
649 | The buffer is cleared out initially, and marked as unmodified when done. | |
650 | All output done by BODY is inserted in that buffer by default. | |
651 | The buffer is displayed in another window, but not selected. | |
652 | The value of the last form in BODY is returned. | |
653 | If BODY does not finish normally, the buffer BUFNAME is not displayed. | |
654 | ||
655 | The hook `temp-buffer-setup-hook' is run before BODY, | |
656 | with the buffer BUFNAME temporarily current. | |
657 | The hook `temp-buffer-show-hook' is run after the buffer is displayed, | |
658 | with the buffer temporarily current, and the window that was used | |
659 | to display it temporarily selected. | |
660 | ||
661 | If variable `temp-buffer-show-function' is non-nil, call it at the end | |
662 | to get the buffer displayed instead of just displaying the non-selected | |
177c0ea7 | 663 | buffer and calling the hook. It gets one argument, the buffer to display. |
ab9ffd19 | 664 | |
9a09408e | 665 | usage: (with-output-to-temp-buffer BUFNAME BODY ...) */) |
8c1a1077 | 666 | (args) |
38010d50 JB |
667 | Lisp_Object args; |
668 | { | |
669 | struct gcpro gcpro1; | |
670 | Lisp_Object name; | |
aed13378 | 671 | int count = SPECPDL_INDEX (); |
38010d50 JB |
672 | Lisp_Object buf, val; |
673 | ||
674 | GCPRO1(args); | |
675 | name = Feval (Fcar (args)); | |
b7826503 | 676 | CHECK_STRING (name); |
d5db4077 | 677 | temp_output_buffer_setup (SDATA (name)); |
38010d50 | 678 | buf = Vstandard_output; |
8bbfc258 | 679 | UNGCPRO; |
38010d50 | 680 | |
8bbfc258 | 681 | val = Fprogn (XCDR (args)); |
38010d50 | 682 | |
8bbfc258 | 683 | GCPRO1 (val); |
38010d50 | 684 | temp_output_buffer_show (buf); |
8bbfc258 | 685 | UNGCPRO; |
38010d50 JB |
686 | |
687 | return unbind_to (count, val); | |
688 | } | |
0788646c | 689 | |
38010d50 JB |
690 | \f |
691 | static void print (); | |
0f25ecc6 | 692 | static void print_preprocess (); |
0f25ecc6 | 693 | static void print_preprocess_string (); |
0f25ecc6 | 694 | static void print_object (); |
38010d50 JB |
695 | |
696 | DEFUN ("terpri", Fterpri, Sterpri, 0, 1, 0, | |
8c1a1077 PJ |
697 | doc: /* Output a newline to stream PRINTCHARFUN. |
698 | If PRINTCHARFUN is omitted or nil, the value of `standard-output' is used. */) | |
38010d50 JB |
699 | (printcharfun) |
700 | Lisp_Object printcharfun; | |
701 | { | |
081e0581 | 702 | PRINTDECLARE; |
38010d50 | 703 | |
10eebdbb | 704 | if (NILP (printcharfun)) |
38010d50 JB |
705 | printcharfun = Vstandard_output; |
706 | PRINTPREPARE; | |
707 | PRINTCHAR ('\n'); | |
708 | PRINTFINISH; | |
709 | return Qt; | |
710 | } | |
711 | ||
712 | DEFUN ("prin1", Fprin1, Sprin1, 1, 2, 0, | |
8c1a1077 PJ |
713 | doc: /* Output the printed representation of OBJECT, any Lisp object. |
714 | Quoting characters are printed when needed to make output that `read' | |
9474c847 | 715 | can handle, whenever this is possible. For complex objects, the behavior |
7fab9223 | 716 | is controlled by `print-level' and `print-length', which see. |
8c1a1077 PJ |
717 | |
718 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
719 | a list, a buffer, a window, a frame, etc. | |
720 | ||
721 | A printed representation of an object is text which describes that object. | |
722 | ||
723 | Optional argument PRINTCHARFUN is the output stream, which can be one | |
724 | of these: | |
725 | ||
726 | - a buffer, in which case output is inserted into that buffer at point; | |
727 | - a marker, in which case output is inserted at marker's position; | |
728 | - a function, in which case that function is called once for each | |
729 | character of OBJECT's printed representation; | |
730 | - a symbol, in which case that symbol's function definition is called; or | |
731 | - t, in which case the output is displayed in the echo area. | |
732 | ||
733 | If PRINTCHARFUN is omitted, the value of `standard-output' (which see) | |
734 | is used instead. */) | |
735 | (object, printcharfun) | |
3738a371 | 736 | Lisp_Object object, printcharfun; |
38010d50 | 737 | { |
081e0581 | 738 | PRINTDECLARE; |
38010d50 JB |
739 | |
740 | #ifdef MAX_PRINT_CHARS | |
741 | max_print = 0; | |
742 | #endif /* MAX_PRINT_CHARS */ | |
10eebdbb | 743 | if (NILP (printcharfun)) |
38010d50 JB |
744 | printcharfun = Vstandard_output; |
745 | PRINTPREPARE; | |
3738a371 | 746 | print (object, printcharfun, 1); |
38010d50 | 747 | PRINTFINISH; |
3738a371 | 748 | return object; |
38010d50 JB |
749 | } |
750 | ||
751 | /* a buffer which is used to hold output being built by prin1-to-string */ | |
752 | Lisp_Object Vprin1_to_string_buffer; | |
753 | ||
754 | DEFUN ("prin1-to-string", Fprin1_to_string, Sprin1_to_string, 1, 2, 0, | |
fd4d156b RS |
755 | doc: /* Return a string containing the printed representation of OBJECT. |
756 | OBJECT can be any Lisp object. This function outputs quoting characters | |
cf393f9b | 757 | when necessary to make output that `read' can handle, whenever possible, |
fd4d156b | 758 | unless the optional second argument NOESCAPE is non-nil. |
8c1a1077 PJ |
759 | |
760 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
761 | a list, a buffer, a window, a frame, etc. | |
762 | ||
763 | A printed representation of an object is text which describes that object. */) | |
764 | (object, noescape) | |
3738a371 | 765 | Lisp_Object object, noescape; |
38010d50 | 766 | { |
081e0581 | 767 | Lisp_Object printcharfun; |
ca2de342 RS |
768 | /* struct gcpro gcpro1, gcpro2; */ |
769 | Lisp_Object save_deactivate_mark; | |
770 | int count = specpdl_ptr - specpdl; | |
dd418e06 | 771 | struct buffer *previous; |
ca2de342 RS |
772 | |
773 | specbind (Qinhibit_modification_hooks, Qt); | |
2a42e8f6 | 774 | |
dd418e06 RS |
775 | { |
776 | PRINTDECLARE; | |
38010d50 | 777 | |
dd418e06 RS |
778 | /* Save and restore this--we are altering a buffer |
779 | but we don't want to deactivate the mark just for that. | |
780 | No need for specbind, since errors deactivate the mark. */ | |
781 | save_deactivate_mark = Vdeactivate_mark; | |
782 | /* GCPRO2 (object, save_deactivate_mark); */ | |
783 | abort_on_gc++; | |
784 | ||
785 | printcharfun = Vprin1_to_string_buffer; | |
786 | PRINTPREPARE; | |
787 | print (object, printcharfun, NILP (noescape)); | |
788 | /* Make Vprin1_to_string_buffer be the default buffer after PRINTFINSH */ | |
789 | PRINTFINISH; | |
790 | } | |
791 | ||
792 | previous = current_buffer; | |
38010d50 | 793 | set_buffer_internal (XBUFFER (Vprin1_to_string_buffer)); |
3738a371 | 794 | object = Fbuffer_string (); |
b51ee131 SM |
795 | if (SBYTES (object) == SCHARS (object)) |
796 | STRING_SET_UNIBYTE (object); | |
38010d50 | 797 | |
28b8f740 | 798 | /* Note that this won't make prepare_to_modify_buffer call |
dd418e06 RS |
799 | ask-user-about-supersession-threat because this buffer |
800 | does not visit a file. */ | |
38010d50 | 801 | Ferase_buffer (); |
dd418e06 | 802 | set_buffer_internal (previous); |
2a42e8f6 | 803 | |
ca2de342 RS |
804 | Vdeactivate_mark = save_deactivate_mark; |
805 | /* UNGCPRO; */ | |
38010d50 | 806 | |
ca2de342 RS |
807 | abort_on_gc--; |
808 | return unbind_to (count, object); | |
38010d50 JB |
809 | } |
810 | ||
811 | DEFUN ("princ", Fprinc, Sprinc, 1, 2, 0, | |
8c1a1077 PJ |
812 | doc: /* Output the printed representation of OBJECT, any Lisp object. |
813 | No quoting characters are used; no delimiters are printed around | |
814 | the contents of strings. | |
815 | ||
816 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
817 | a list, a buffer, a window, a frame, etc. | |
818 | ||
819 | A printed representation of an object is text which describes that object. | |
820 | ||
821 | Optional argument PRINTCHARFUN is the output stream, which can be one | |
822 | of these: | |
823 | ||
824 | - a buffer, in which case output is inserted into that buffer at point; | |
825 | - a marker, in which case output is inserted at marker's position; | |
826 | - a function, in which case that function is called once for each | |
827 | character of OBJECT's printed representation; | |
828 | - a symbol, in which case that symbol's function definition is called; or | |
829 | - t, in which case the output is displayed in the echo area. | |
830 | ||
831 | If PRINTCHARFUN is omitted, the value of `standard-output' (which see) | |
832 | is used instead. */) | |
833 | (object, printcharfun) | |
3738a371 | 834 | Lisp_Object object, printcharfun; |
38010d50 | 835 | { |
081e0581 | 836 | PRINTDECLARE; |
38010d50 | 837 | |
10eebdbb | 838 | if (NILP (printcharfun)) |
38010d50 JB |
839 | printcharfun = Vstandard_output; |
840 | PRINTPREPARE; | |
3738a371 | 841 | print (object, printcharfun, 0); |
38010d50 | 842 | PRINTFINISH; |
3738a371 | 843 | return object; |
38010d50 JB |
844 | } |
845 | ||
846 | DEFUN ("print", Fprint, Sprint, 1, 2, 0, | |
8c1a1077 PJ |
847 | doc: /* Output the printed representation of OBJECT, with newlines around it. |
848 | Quoting characters are printed when needed to make output that `read' | |
9474c847 | 849 | can handle, whenever this is possible. For complex objects, the behavior |
7fab9223 | 850 | is controlled by `print-level' and `print-length', which see. |
8c1a1077 PJ |
851 | |
852 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
853 | a list, a buffer, a window, a frame, etc. | |
854 | ||
855 | A printed representation of an object is text which describes that object. | |
856 | ||
857 | Optional argument PRINTCHARFUN is the output stream, which can be one | |
858 | of these: | |
859 | ||
860 | - a buffer, in which case output is inserted into that buffer at point; | |
861 | - a marker, in which case output is inserted at marker's position; | |
862 | - a function, in which case that function is called once for each | |
863 | character of OBJECT's printed representation; | |
864 | - a symbol, in which case that symbol's function definition is called; or | |
865 | - t, in which case the output is displayed in the echo area. | |
866 | ||
867 | If PRINTCHARFUN is omitted, the value of `standard-output' (which see) | |
868 | is used instead. */) | |
869 | (object, printcharfun) | |
3738a371 | 870 | Lisp_Object object, printcharfun; |
38010d50 | 871 | { |
081e0581 | 872 | PRINTDECLARE; |
38010d50 JB |
873 | struct gcpro gcpro1; |
874 | ||
875 | #ifdef MAX_PRINT_CHARS | |
876 | print_chars = 0; | |
877 | max_print = MAX_PRINT_CHARS; | |
878 | #endif /* MAX_PRINT_CHARS */ | |
10eebdbb | 879 | if (NILP (printcharfun)) |
38010d50 | 880 | printcharfun = Vstandard_output; |
3738a371 | 881 | GCPRO1 (object); |
38010d50 | 882 | PRINTPREPARE; |
38010d50 | 883 | PRINTCHAR ('\n'); |
3738a371 | 884 | print (object, printcharfun, 1); |
38010d50 JB |
885 | PRINTCHAR ('\n'); |
886 | PRINTFINISH; | |
887 | #ifdef MAX_PRINT_CHARS | |
888 | max_print = 0; | |
889 | print_chars = 0; | |
890 | #endif /* MAX_PRINT_CHARS */ | |
891 | UNGCPRO; | |
3738a371 | 892 | return object; |
38010d50 JB |
893 | } |
894 | ||
895 | /* The subroutine object for external-debugging-output is kept here | |
896 | for the convenience of the debugger. */ | |
897 | Lisp_Object Qexternal_debugging_output; | |
898 | ||
4746118a | 899 | DEFUN ("external-debugging-output", Fexternal_debugging_output, Sexternal_debugging_output, 1, 1, 0, |
8c1a1077 PJ |
900 | doc: /* Write CHARACTER to stderr. |
901 | You can call print while debugging emacs, and pass it this function | |
902 | to make it write to the debugging output. */) | |
903 | (character) | |
4746118a | 904 | Lisp_Object character; |
38010d50 | 905 | { |
b7826503 | 906 | CHECK_NUMBER (character); |
38010d50 | 907 | putc (XINT (character), stderr); |
cd22039d RS |
908 | |
909 | #ifdef WINDOWSNT | |
910 | /* Send the output to a debugger (nothing happens if there isn't one). */ | |
911 | { | |
912 | char buf[2] = {(char) XINT (character), '\0'}; | |
913 | OutputDebugString (buf); | |
914 | } | |
915 | #endif | |
916 | ||
38010d50 JB |
917 | return character; |
918 | } | |
cf1bb91b | 919 | |
95e52d88 KS |
920 | |
921 | #if defined(GNU_LINUX) | |
922 | ||
923 | /* This functionality is not vitally important in general, so we rely on | |
924 | non-portable ability to use stderr as lvalue. */ | |
925 | ||
926 | #define WITH_REDIRECT_DEBUGGING_OUTPUT 1 | |
927 | ||
6a1ff3ba KS |
928 | FILE *initial_stderr_stream = NULL; |
929 | ||
930 | DEFUN ("redirect-debugging-output", Fredirect_debugging_output, Sredirect_debugging_output, | |
931 | 1, 2, | |
932 | "FDebug output file: \nP", | |
933 | doc: /* Redirect debugging output (stderr stream) to file FILE. | |
934 | If FILE is nil, reset target to the initial stderr stream. | |
935 | Optional arg APPEND non-nil (interactively, with prefix arg) means | |
28b8f740 | 936 | append to existing target file. */) |
6a1ff3ba KS |
937 | (file, append) |
938 | Lisp_Object file, append; | |
939 | { | |
940 | if (initial_stderr_stream != NULL) | |
941 | fclose(stderr); | |
942 | stderr = initial_stderr_stream; | |
943 | initial_stderr_stream = NULL; | |
944 | ||
945 | if (STRINGP (file)) | |
946 | { | |
947 | file = Fexpand_file_name (file, Qnil); | |
948 | initial_stderr_stream = stderr; | |
949 | stderr = fopen(SDATA (file), NILP (append) ? "w" : "a"); | |
950 | if (stderr == NULL) | |
951 | { | |
952 | stderr = initial_stderr_stream; | |
953 | initial_stderr_stream = NULL; | |
954 | report_file_error ("Cannot open debugging output stream", | |
955 | Fcons (file, Qnil)); | |
956 | } | |
957 | } | |
958 | return Qnil; | |
959 | } | |
95e52d88 KS |
960 | #endif /* GNU_LINUX */ |
961 | ||
6a1ff3ba | 962 | |
cf1bb91b RS |
963 | /* This is the interface for debugging printing. */ |
964 | ||
965 | void | |
966 | debug_print (arg) | |
967 | Lisp_Object arg; | |
968 | { | |
969 | Fprin1 (arg, Qexternal_debugging_output); | |
3684eb78 | 970 | fprintf (stderr, "\r\n"); |
cf1bb91b | 971 | } |
38010d50 | 972 | \f |
113620cc KH |
973 | DEFUN ("error-message-string", Ferror_message_string, Serror_message_string, |
974 | 1, 1, 0, | |
f82ec1e6 LT |
975 | doc: /* Convert an error value (ERROR-SYMBOL . DATA) to an error message. |
976 | See Info anchor `(elisp)Definition of signal' for some details on how this | |
977 | error message is constructed. */) | |
8c1a1077 | 978 | (obj) |
113620cc KH |
979 | Lisp_Object obj; |
980 | { | |
981 | struct buffer *old = current_buffer; | |
63fbf4ff | 982 | Lisp_Object value; |
113620cc KH |
983 | struct gcpro gcpro1; |
984 | ||
0872e11f RS |
985 | /* If OBJ is (error STRING), just return STRING. |
986 | That is not only faster, it also avoids the need to allocate | |
987 | space here when the error is due to memory full. */ | |
94b342ce KR |
988 | if (CONSP (obj) && EQ (XCAR (obj), Qerror) |
989 | && CONSP (XCDR (obj)) | |
990 | && STRINGP (XCAR (XCDR (obj))) | |
991 | && NILP (XCDR (XCDR (obj)))) | |
992 | return XCAR (XCDR (obj)); | |
0872e11f | 993 | |
240e806c | 994 | print_error_message (obj, Vprin1_to_string_buffer, 0, Qnil); |
113620cc KH |
995 | |
996 | set_buffer_internal (XBUFFER (Vprin1_to_string_buffer)); | |
997 | value = Fbuffer_string (); | |
998 | ||
999 | GCPRO1 (value); | |
1000 | Ferase_buffer (); | |
1001 | set_buffer_internal (old); | |
1002 | UNGCPRO; | |
1003 | ||
1004 | return value; | |
1005 | } | |
1006 | ||
c02279de GM |
1007 | /* Print an error message for the error DATA onto Lisp output stream |
1008 | STREAM (suitable for the print functions). */ | |
113620cc | 1009 | |
dc22f25e | 1010 | void |
240e806c | 1011 | print_error_message (data, stream, context, caller) |
113620cc | 1012 | Lisp_Object data, stream; |
240e806c RS |
1013 | char *context; |
1014 | Lisp_Object caller; | |
113620cc KH |
1015 | { |
1016 | Lisp_Object errname, errmsg, file_error, tail; | |
1017 | struct gcpro gcpro1; | |
1018 | int i; | |
1019 | ||
240e806c RS |
1020 | if (context != 0) |
1021 | write_string_1 (context, -1, stream); | |
1022 | ||
1023 | /* If we know from where the error was signaled, show it in | |
1024 | *Messages*. */ | |
1025 | if (!NILP (caller) && SYMBOLP (caller)) | |
1026 | { | |
1027 | const char *name = SDATA (SYMBOL_NAME (caller)); | |
1028 | message_dolog (name, strlen (name), 0, 0); | |
1029 | message_dolog (": ", 2, 0, 0); | |
1030 | } | |
1031 | ||
113620cc KH |
1032 | errname = Fcar (data); |
1033 | ||
1034 | if (EQ (errname, Qerror)) | |
1035 | { | |
1036 | data = Fcdr (data); | |
c02279de GM |
1037 | if (!CONSP (data)) |
1038 | data = Qnil; | |
113620cc KH |
1039 | errmsg = Fcar (data); |
1040 | file_error = Qnil; | |
1041 | } | |
1042 | else | |
1043 | { | |
c02279de | 1044 | Lisp_Object error_conditions; |
113620cc | 1045 | errmsg = Fget (errname, Qerror_message); |
c02279de GM |
1046 | error_conditions = Fget (errname, Qerror_conditions); |
1047 | file_error = Fmemq (Qfile_error, error_conditions); | |
113620cc KH |
1048 | } |
1049 | ||
1050 | /* Print an error message including the data items. */ | |
1051 | ||
1052 | tail = Fcdr_safe (data); | |
1053 | GCPRO1 (tail); | |
1054 | ||
1055 | /* For file-error, make error message by concatenating | |
1056 | all the data items. They are all strings. */ | |
8c29413d | 1057 | if (!NILP (file_error) && CONSP (tail)) |
94b342ce | 1058 | errmsg = XCAR (tail), tail = XCDR (tail); |
113620cc KH |
1059 | |
1060 | if (STRINGP (errmsg)) | |
1061 | Fprinc (errmsg, stream); | |
1062 | else | |
1063 | write_string_1 ("peculiar error", -1, stream); | |
1064 | ||
c02279de | 1065 | for (i = 0; CONSP (tail); tail = XCDR (tail), i++) |
113620cc | 1066 | { |
c02279de GM |
1067 | Lisp_Object obj; |
1068 | ||
113620cc | 1069 | write_string_1 (i ? ", " : ": ", 2, stream); |
c02279de GM |
1070 | obj = XCAR (tail); |
1071 | if (!NILP (file_error) || EQ (errname, Qend_of_file)) | |
1072 | Fprinc (obj, stream); | |
113620cc | 1073 | else |
c02279de | 1074 | Fprin1 (obj, stream); |
113620cc | 1075 | } |
177c0ea7 | 1076 | |
113620cc KH |
1077 | UNGCPRO; |
1078 | } | |
38010d50 | 1079 | |
c02279de GM |
1080 | |
1081 | \f | |
38010d50 | 1082 | /* |
edb2a707 | 1083 | * The buffer should be at least as large as the max string size of the |
8e6208c5 | 1084 | * largest float, printed in the biggest notation. This is undoubtedly |
38010d50 JB |
1085 | * 20d float_output_format, with the negative of the C-constant "HUGE" |
1086 | * from <math.h>. | |
177c0ea7 | 1087 | * |
38010d50 | 1088 | * On the vax the worst case is -1e38 in 20d format which takes 61 bytes. |
177c0ea7 | 1089 | * |
38010d50 JB |
1090 | * I assume that IEEE-754 format numbers can take 329 bytes for the worst |
1091 | * case of -1e307 in 20d float_output_format. What is one to do (short of | |
1092 | * re-writing _doprnt to be more sane)? | |
1093 | * -wsr | |
1094 | */ | |
edb2a707 RS |
1095 | |
1096 | void | |
1097 | float_to_string (buf, data) | |
8b24d146 | 1098 | unsigned char *buf; |
38010d50 JB |
1099 | double data; |
1100 | { | |
c7b14277 | 1101 | unsigned char *cp; |
322890c4 | 1102 | int width; |
177c0ea7 | 1103 | |
7f45de2d RS |
1104 | /* Check for plus infinity in a way that won't lose |
1105 | if there is no plus infinity. */ | |
1106 | if (data == data / 2 && data > 1.0) | |
1107 | { | |
1108 | strcpy (buf, "1.0e+INF"); | |
1109 | return; | |
1110 | } | |
1111 | /* Likewise for minus infinity. */ | |
1112 | if (data == data / 2 && data < -1.0) | |
1113 | { | |
1114 | strcpy (buf, "-1.0e+INF"); | |
1115 | return; | |
1116 | } | |
1117 | /* Check for NaN in a way that won't fail if there are no NaNs. */ | |
1118 | if (! (data * 0.0 >= 0.0)) | |
1119 | { | |
68c45bf0 PE |
1120 | /* Prepend "-" if the NaN's sign bit is negative. |
1121 | The sign bit of a double is the bit that is 1 in -0.0. */ | |
1122 | int i; | |
1123 | union { double d; char c[sizeof (double)]; } u_data, u_minus_zero; | |
1124 | u_data.d = data; | |
1125 | u_minus_zero.d = - 0.0; | |
1126 | for (i = 0; i < sizeof (double); i++) | |
1127 | if (u_data.c[i] & u_minus_zero.c[i]) | |
1128 | { | |
1129 | *buf++ = '-'; | |
1130 | break; | |
1131 | } | |
177c0ea7 | 1132 | |
7f45de2d RS |
1133 | strcpy (buf, "0.0e+NaN"); |
1134 | return; | |
1135 | } | |
1136 | ||
10eebdbb | 1137 | if (NILP (Vfloat_output_format) |
d4ae1f7e | 1138 | || !STRINGP (Vfloat_output_format)) |
38010d50 | 1139 | lose: |
322890c4 | 1140 | { |
f356c3fb PE |
1141 | /* Generate the fewest number of digits that represent the |
1142 | floating point value without losing information. | |
1143 | The following method is simple but a bit slow. | |
1144 | For ideas about speeding things up, please see: | |
1145 | ||
1146 | Guy L Steele Jr & Jon L White, How to print floating-point numbers | |
1147 | accurately. SIGPLAN notices 25, 6 (June 1990), 112-126. | |
1148 | ||
1149 | Robert G Burger & R Kent Dybvig, Printing floating point numbers | |
1150 | quickly and accurately, SIGPLAN notices 31, 5 (May 1996), 108-116. */ | |
1151 | ||
1152 | width = fabs (data) < DBL_MIN ? 1 : DBL_DIG; | |
1153 | do | |
1154 | sprintf (buf, "%.*g", width, data); | |
1155 | while (width++ < DOUBLE_DIGITS_BOUND && atof (buf) != data); | |
322890c4 | 1156 | } |
38010d50 JB |
1157 | else /* oink oink */ |
1158 | { | |
1159 | /* Check that the spec we have is fully valid. | |
1160 | This means not only valid for printf, | |
1161 | but meant for floats, and reasonable. */ | |
d5db4077 | 1162 | cp = SDATA (Vfloat_output_format); |
38010d50 JB |
1163 | |
1164 | if (cp[0] != '%') | |
1165 | goto lose; | |
1166 | if (cp[1] != '.') | |
1167 | goto lose; | |
1168 | ||
1169 | cp += 2; | |
c7b14277 JB |
1170 | |
1171 | /* Check the width specification. */ | |
322890c4 | 1172 | width = -1; |
c7b14277 | 1173 | if ('0' <= *cp && *cp <= '9') |
381cd4bb KH |
1174 | { |
1175 | width = 0; | |
1176 | do | |
1177 | width = (width * 10) + (*cp++ - '0'); | |
1178 | while (*cp >= '0' && *cp <= '9'); | |
1179 | ||
1180 | /* A precision of zero is valid only for %f. */ | |
1181 | if (width > DBL_DIG | |
1182 | || (width == 0 && *cp != 'f')) | |
1183 | goto lose; | |
1184 | } | |
38010d50 JB |
1185 | |
1186 | if (*cp != 'e' && *cp != 'f' && *cp != 'g') | |
1187 | goto lose; | |
1188 | ||
38010d50 JB |
1189 | if (cp[1] != 0) |
1190 | goto lose; | |
1191 | ||
d5db4077 | 1192 | sprintf (buf, SDATA (Vfloat_output_format), data); |
38010d50 | 1193 | } |
edb2a707 | 1194 | |
c7b14277 JB |
1195 | /* Make sure there is a decimal point with digit after, or an |
1196 | exponent, so that the value is readable as a float. But don't do | |
322890c4 RS |
1197 | this with "%.0f"; it's valid for that not to produce a decimal |
1198 | point. Note that width can be 0 only for %.0f. */ | |
1199 | if (width != 0) | |
0601fd3d | 1200 | { |
c7b14277 JB |
1201 | for (cp = buf; *cp; cp++) |
1202 | if ((*cp < '0' || *cp > '9') && *cp != '-') | |
1203 | break; | |
0601fd3d | 1204 | |
c7b14277 JB |
1205 | if (*cp == '.' && cp[1] == 0) |
1206 | { | |
1207 | cp[1] = '0'; | |
1208 | cp[2] = 0; | |
1209 | } | |
1210 | ||
1211 | if (*cp == 0) | |
1212 | { | |
1213 | *cp++ = '.'; | |
1214 | *cp++ = '0'; | |
1215 | *cp++ = 0; | |
1216 | } | |
edb2a707 | 1217 | } |
38010d50 | 1218 | } |
cc94f3b2 | 1219 | |
38010d50 JB |
1220 | \f |
1221 | static void | |
1222 | print (obj, printcharfun, escapeflag) | |
38010d50 | 1223 | Lisp_Object obj; |
38010d50 JB |
1224 | register Lisp_Object printcharfun; |
1225 | int escapeflag; | |
1226 | { | |
0330bb60 | 1227 | old_backquote_output = 0; |
38010d50 | 1228 | |
0f25ecc6 RS |
1229 | /* Reset print_number_index and Vprint_number_table only when |
1230 | the variable Vprint_continuous_numbering is nil. Otherwise, | |
1231 | the values of these variables will be kept between several | |
1232 | print functions. */ | |
1233 | if (NILP (Vprint_continuous_numbering)) | |
1234 | { | |
1235 | print_number_index = 0; | |
1236 | Vprint_number_table = Qnil; | |
1237 | } | |
38010d50 | 1238 | |
0f25ecc6 RS |
1239 | /* Construct Vprint_number_table for print-gensym and print-circle. */ |
1240 | if (!NILP (Vprint_gensym) || !NILP (Vprint_circle)) | |
ec838c39 | 1241 | { |
73fb36f1 | 1242 | int i, start, index; |
73fb36f1 | 1243 | start = index = print_number_index; |
e6d4cddd RS |
1244 | /* Construct Vprint_number_table. |
1245 | This increments print_number_index for the objects added. */ | |
9a6a4c40 | 1246 | print_depth = 0; |
0f25ecc6 | 1247 | print_preprocess (obj); |
e6d4cddd | 1248 | |
0f25ecc6 | 1249 | /* Remove unnecessary objects, which appear only once in OBJ; |
e6d4cddd | 1250 | that is, whose status is Qnil. Compactify the necessary objects. */ |
73fb36f1 | 1251 | for (i = start; i < print_number_index; i++) |
0f25ecc6 RS |
1252 | if (!NILP (PRINT_NUMBER_STATUS (Vprint_number_table, i))) |
1253 | { | |
1254 | PRINT_NUMBER_OBJECT (Vprint_number_table, index) | |
1255 | = PRINT_NUMBER_OBJECT (Vprint_number_table, i); | |
0f25ecc6 RS |
1256 | index++; |
1257 | } | |
e6d4cddd RS |
1258 | |
1259 | /* Clear out objects outside the active part of the table. */ | |
1260 | for (i = index; i < print_number_index; i++) | |
1261 | PRINT_NUMBER_OBJECT (Vprint_number_table, i) = Qnil; | |
1262 | ||
1263 | /* Reset the status field for the next print step. Now this | |
1264 | field means whether the object has already been printed. */ | |
1265 | for (i = start; i < print_number_index; i++) | |
1266 | PRINT_NUMBER_STATUS (Vprint_number_table, i) = Qnil; | |
1267 | ||
0f25ecc6 RS |
1268 | print_number_index = index; |
1269 | } | |
1270 | ||
9a6a4c40 | 1271 | print_depth = 0; |
0f25ecc6 RS |
1272 | print_object (obj, printcharfun, escapeflag); |
1273 | } | |
1274 | ||
1275 | /* Construct Vprint_number_table according to the structure of OBJ. | |
1276 | OBJ itself and all its elements will be added to Vprint_number_table | |
1277 | recursively if it is a list, vector, compiled function, char-table, | |
1278 | string (its text properties will be traced), or a symbol that has | |
1279 | no obarray (this is for the print-gensym feature). | |
1280 | The status fields of Vprint_number_table mean whether each object appears | |
1281 | more than once in OBJ: Qnil at the first time, and Qt after that . */ | |
1282 | static void | |
1283 | print_preprocess (obj) | |
1284 | Lisp_Object obj; | |
1285 | { | |
3164abe6 AS |
1286 | int i; |
1287 | EMACS_INT size; | |
c1132671 RS |
1288 | int loop_count = 0; |
1289 | Lisp_Object halftail; | |
1290 | ||
15479e8b RS |
1291 | /* Give up if we go so deep that print_object will get an error. */ |
1292 | /* See similar code in print_object. */ | |
1293 | if (print_depth >= PRINT_CIRCLE) | |
1294 | return; | |
1295 | ||
c1132671 RS |
1296 | /* Avoid infinite recursion for circular nested structure |
1297 | in the case where Vprint_circle is nil. */ | |
1298 | if (NILP (Vprint_circle)) | |
1299 | { | |
1300 | for (i = 0; i < print_depth; i++) | |
1301 | if (EQ (obj, being_printed[i])) | |
1302 | return; | |
1303 | being_printed[print_depth] = obj; | |
1304 | } | |
1305 | ||
c1132671 RS |
1306 | print_depth++; |
1307 | halftail = obj; | |
0f25ecc6 RS |
1308 | |
1309 | loop: | |
1310 | if (STRINGP (obj) || CONSP (obj) || VECTORP (obj) | |
1311 | || COMPILEDP (obj) || CHAR_TABLE_P (obj) | |
1312 | || (! NILP (Vprint_gensym) | |
bf9f2aab GM |
1313 | && SYMBOLP (obj) |
1314 | && !SYMBOL_INTERNED_P (obj))) | |
0f25ecc6 | 1315 | { |
aca2020b KH |
1316 | /* In case print-circle is nil and print-gensym is t, |
1317 | add OBJ to Vprint_number_table only when OBJ is a symbol. */ | |
1318 | if (! NILP (Vprint_circle) || SYMBOLP (obj)) | |
0f25ecc6 | 1319 | { |
0f25ecc6 | 1320 | for (i = 0; i < print_number_index; i++) |
7c752c80 | 1321 | if (EQ (PRINT_NUMBER_OBJECT (Vprint_number_table, i), obj)) |
aca2020b KH |
1322 | { |
1323 | /* OBJ appears more than once. Let's remember that. */ | |
1324 | PRINT_NUMBER_STATUS (Vprint_number_table, i) = Qt; | |
1325 | return; | |
1326 | } | |
1327 | ||
1328 | /* OBJ is not yet recorded. Let's add to the table. */ | |
1329 | if (print_number_index == 0) | |
1330 | { | |
1331 | /* Initialize the table. */ | |
1332 | Vprint_number_table = Fmake_vector (make_number (40), Qnil); | |
1333 | } | |
1334 | else if (XVECTOR (Vprint_number_table)->size == print_number_index * 2) | |
0f25ecc6 | 1335 | { |
aca2020b KH |
1336 | /* Reallocate the table. */ |
1337 | int i = print_number_index * 4; | |
1338 | Lisp_Object old_table = Vprint_number_table; | |
1339 | Vprint_number_table = Fmake_vector (make_number (i), Qnil); | |
1340 | for (i = 0; i < print_number_index; i++) | |
1341 | { | |
1342 | PRINT_NUMBER_OBJECT (Vprint_number_table, i) | |
1343 | = PRINT_NUMBER_OBJECT (old_table, i); | |
1344 | PRINT_NUMBER_STATUS (Vprint_number_table, i) | |
1345 | = PRINT_NUMBER_STATUS (old_table, i); | |
1346 | } | |
0f25ecc6 | 1347 | } |
aca2020b KH |
1348 | PRINT_NUMBER_OBJECT (Vprint_number_table, print_number_index) = obj; |
1349 | /* If Vprint_continuous_numbering is non-nil and OBJ is a gensym, | |
1350 | always print the gensym with a number. This is a special for | |
1351 | the lisp function byte-compile-output-docform. */ | |
bf9f2aab GM |
1352 | if (!NILP (Vprint_continuous_numbering) |
1353 | && SYMBOLP (obj) | |
1354 | && !SYMBOL_INTERNED_P (obj)) | |
aca2020b KH |
1355 | PRINT_NUMBER_STATUS (Vprint_number_table, print_number_index) = Qt; |
1356 | print_number_index++; | |
0f25ecc6 | 1357 | } |
0f25ecc6 RS |
1358 | |
1359 | switch (XGCTYPE (obj)) | |
1360 | { | |
1361 | case Lisp_String: | |
0f25ecc6 | 1362 | /* A string may have text properties, which can be circular. */ |
d5db4077 | 1363 | traverse_intervals_noorder (STRING_INTERVALS (obj), |
8bbfc258 | 1364 | print_preprocess_string, Qnil); |
0f25ecc6 RS |
1365 | break; |
1366 | ||
1367 | case Lisp_Cons: | |
c1132671 RS |
1368 | /* Use HALFTAIL and LOOP_COUNT to detect circular lists, |
1369 | just as in print_object. */ | |
1370 | if (loop_count && EQ (obj, halftail)) | |
1371 | break; | |
0f25ecc6 RS |
1372 | print_preprocess (XCAR (obj)); |
1373 | obj = XCDR (obj); | |
c1132671 RS |
1374 | loop_count++; |
1375 | if (!(loop_count & 1)) | |
1376 | halftail = XCDR (halftail); | |
0f25ecc6 RS |
1377 | goto loop; |
1378 | ||
1379 | case Lisp_Vectorlike: | |
3803eb32 AS |
1380 | size = XVECTOR (obj)->size; |
1381 | if (size & PSEUDOVECTOR_FLAG) | |
1382 | size &= PSEUDOVECTOR_SIZE_MASK; | |
0f25ecc6 RS |
1383 | for (i = 0; i < size; i++) |
1384 | print_preprocess (XVECTOR (obj)->contents[i]); | |
ee5263af GM |
1385 | break; |
1386 | ||
1387 | default: | |
1388 | break; | |
0f25ecc6 RS |
1389 | } |
1390 | } | |
c1132671 | 1391 | print_depth--; |
0f25ecc6 RS |
1392 | } |
1393 | ||
0f25ecc6 RS |
1394 | static void |
1395 | print_preprocess_string (interval, arg) | |
1396 | INTERVAL interval; | |
1397 | Lisp_Object arg; | |
1398 | { | |
1399 | print_preprocess (interval->plist); | |
1400 | } | |
0f25ecc6 RS |
1401 | |
1402 | static void | |
1403 | print_object (obj, printcharfun, escapeflag) | |
1404 | Lisp_Object obj; | |
1405 | register Lisp_Object printcharfun; | |
1406 | int escapeflag; | |
1407 | { | |
28b8f740 | 1408 | char buf[40]; |
0f25ecc6 RS |
1409 | |
1410 | QUIT; | |
1411 | ||
1412 | /* Detect circularities and truncate them. */ | |
1413 | if (STRINGP (obj) || CONSP (obj) || VECTORP (obj) | |
1414 | || COMPILEDP (obj) || CHAR_TABLE_P (obj) | |
1415 | || (! NILP (Vprint_gensym) | |
bf9f2aab GM |
1416 | && SYMBOLP (obj) |
1417 | && !SYMBOL_INTERNED_P (obj))) | |
0f25ecc6 RS |
1418 | { |
1419 | if (NILP (Vprint_circle) && NILP (Vprint_gensym)) | |
1420 | { | |
1421 | /* Simple but incomplete way. */ | |
1422 | int i; | |
1423 | for (i = 0; i < print_depth; i++) | |
1424 | if (EQ (obj, being_printed[i])) | |
1425 | { | |
1426 | sprintf (buf, "#%d", i); | |
1427 | strout (buf, -1, -1, printcharfun, 0); | |
1428 | return; | |
1429 | } | |
1430 | being_printed[print_depth] = obj; | |
1431 | } | |
1432 | else | |
1433 | { | |
1434 | /* With the print-circle feature. */ | |
1435 | int i; | |
1436 | for (i = 0; i < print_number_index; i++) | |
7c752c80 | 1437 | if (EQ (PRINT_NUMBER_OBJECT (Vprint_number_table, i), obj)) |
0f25ecc6 RS |
1438 | { |
1439 | if (NILP (PRINT_NUMBER_STATUS (Vprint_number_table, i))) | |
1440 | { | |
1441 | /* Add a prefix #n= if OBJ has not yet been printed; | |
1442 | that is, its status field is nil. */ | |
1443 | sprintf (buf, "#%d=", i + 1); | |
1444 | strout (buf, -1, -1, printcharfun, 0); | |
1445 | /* OBJ is going to be printed. Set the status to t. */ | |
1446 | PRINT_NUMBER_STATUS (Vprint_number_table, i) = Qt; | |
1447 | break; | |
1448 | } | |
1449 | else | |
1450 | { | |
1451 | /* Just print #n# if OBJ has already been printed. */ | |
1452 | sprintf (buf, "#%d#", i + 1); | |
1453 | strout (buf, -1, -1, printcharfun, 0); | |
1454 | return; | |
1455 | } | |
1456 | } | |
1457 | } | |
ec838c39 | 1458 | } |
ec838c39 | 1459 | |
38010d50 JB |
1460 | print_depth++; |
1461 | ||
c1132671 | 1462 | /* See similar code in print_preprocess. */ |
ec838c39 | 1463 | if (print_depth > PRINT_CIRCLE) |
38010d50 JB |
1464 | error ("Apparently circular structure being printed"); |
1465 | #ifdef MAX_PRINT_CHARS | |
1466 | if (max_print && print_chars > max_print) | |
1467 | { | |
1468 | PRINTCHAR ('\n'); | |
1469 | print_chars = 0; | |
1470 | } | |
1471 | #endif /* MAX_PRINT_CHARS */ | |
1472 | ||
ca0569ad | 1473 | switch (XGCTYPE (obj)) |
38010d50 | 1474 | { |
ca0569ad | 1475 | case Lisp_Int: |
b8180922 RS |
1476 | if (sizeof (int) == sizeof (EMACS_INT)) |
1477 | sprintf (buf, "%d", XINT (obj)); | |
1478 | else if (sizeof (long) == sizeof (EMACS_INT)) | |
63fbf4ff | 1479 | sprintf (buf, "%ld", (long) XINT (obj)); |
b8180922 RS |
1480 | else |
1481 | abort (); | |
dc2a0b79 | 1482 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1483 | break; |
1484 | ||
ca0569ad RS |
1485 | case Lisp_Float: |
1486 | { | |
1487 | char pigbuf[350]; /* see comments in float_to_string */ | |
38010d50 | 1488 | |
94b342ce | 1489 | float_to_string (pigbuf, XFLOAT_DATA (obj)); |
dc2a0b79 | 1490 | strout (pigbuf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1491 | } |
1492 | break; | |
ca0569ad RS |
1493 | |
1494 | case Lisp_String: | |
38010d50 JB |
1495 | if (!escapeflag) |
1496 | print_string (obj, printcharfun); | |
1497 | else | |
1498 | { | |
dc2a0b79 | 1499 | register int i, i_byte; |
38010d50 | 1500 | struct gcpro gcpro1; |
872a36d2 | 1501 | unsigned char *str; |
dc2a0b79 | 1502 | int size_byte; |
453fa987 RS |
1503 | /* 1 means we must ensure that the next character we output |
1504 | cannot be taken as part of a hex character escape. */ | |
1505 | int need_nonhex = 0; | |
db300f59 | 1506 | int multibyte = STRING_MULTIBYTE (obj); |
38010d50 | 1507 | |
7651e1f5 RS |
1508 | GCPRO1 (obj); |
1509 | ||
d5db4077 | 1510 | if (!NULL_INTERVAL_P (STRING_INTERVALS (obj))) |
7651e1f5 RS |
1511 | { |
1512 | PRINTCHAR ('#'); | |
1513 | PRINTCHAR ('('); | |
1514 | } | |
38010d50 JB |
1515 | |
1516 | PRINTCHAR ('\"'); | |
d5db4077 KR |
1517 | str = SDATA (obj); |
1518 | size_byte = SBYTES (obj); | |
dc2a0b79 RS |
1519 | |
1520 | for (i = 0, i_byte = 0; i_byte < size_byte;) | |
38010d50 | 1521 | { |
6ddd6eee RS |
1522 | /* Here, we must convert each multi-byte form to the |
1523 | corresponding character code before handing it to PRINTCHAR. */ | |
1524 | int len; | |
dc2a0b79 RS |
1525 | int c; |
1526 | ||
db300f59 | 1527 | if (multibyte) |
872a36d2 | 1528 | { |
765fe1d0 KH |
1529 | c = STRING_CHAR_AND_LENGTH (str + i_byte, |
1530 | size_byte - i_byte, len); | |
da1ad4e7 KH |
1531 | if (CHAR_VALID_P (c, 0)) |
1532 | i_byte += len; | |
1533 | else | |
1534 | c = str[i_byte++]; | |
872a36d2 | 1535 | } |
dc2a0b79 | 1536 | else |
872a36d2 | 1537 | c = str[i_byte++]; |
dc2a0b79 | 1538 | |
38010d50 | 1539 | QUIT; |
6ddd6eee | 1540 | |
38010d50 JB |
1541 | if (c == '\n' && print_escape_newlines) |
1542 | { | |
1543 | PRINTCHAR ('\\'); | |
1544 | PRINTCHAR ('n'); | |
1545 | } | |
c6f7982f RM |
1546 | else if (c == '\f' && print_escape_newlines) |
1547 | { | |
1548 | PRINTCHAR ('\\'); | |
1549 | PRINTCHAR ('f'); | |
1550 | } | |
ae7367d3 RS |
1551 | else if (multibyte |
1552 | && ! ASCII_BYTE_P (c) | |
1553 | && (SINGLE_BYTE_CHAR_P (c) || print_escape_multibyte)) | |
dc2a0b79 RS |
1554 | { |
1555 | /* When multibyte is disabled, | |
ae7367d3 RS |
1556 | print multibyte string chars using hex escapes. |
1557 | For a char code that could be in a unibyte string, | |
1558 | when found in a multibyte string, always use a hex escape | |
1559 | so it reads back as multibyte. */ | |
dc2a0b79 RS |
1560 | unsigned char outbuf[50]; |
1561 | sprintf (outbuf, "\\x%x", c); | |
1562 | strout (outbuf, -1, -1, printcharfun, 0); | |
453fa987 | 1563 | need_nonhex = 1; |
dc2a0b79 | 1564 | } |
db300f59 RS |
1565 | else if (! multibyte |
1566 | && SINGLE_BYTE_CHAR_P (c) && ! ASCII_BYTE_P (c) | |
835d0be6 | 1567 | && print_escape_nonascii) |
974a6ff5 | 1568 | { |
835d0be6 RS |
1569 | /* When printing in a multibyte buffer |
1570 | or when explicitly requested, | |
974a6ff5 KH |
1571 | print single-byte non-ASCII string chars |
1572 | using octal escapes. */ | |
1573 | unsigned char outbuf[5]; | |
1574 | sprintf (outbuf, "\\%03o", c); | |
1575 | strout (outbuf, -1, -1, printcharfun, 0); | |
1576 | } | |
38010d50 JB |
1577 | else |
1578 | { | |
453fa987 RS |
1579 | /* If we just had a hex escape, and this character |
1580 | could be taken as part of it, | |
1581 | output `\ ' to prevent that. */ | |
1b62edd6 KH |
1582 | if (need_nonhex) |
1583 | { | |
1584 | need_nonhex = 0; | |
1585 | if ((c >= 'a' && c <= 'f') | |
453fa987 | 1586 | || (c >= 'A' && c <= 'F') |
1b62edd6 KH |
1587 | || (c >= '0' && c <= '9')) |
1588 | strout ("\\ ", -1, -1, printcharfun, 0); | |
1589 | } | |
453fa987 | 1590 | |
38010d50 JB |
1591 | if (c == '\"' || c == '\\') |
1592 | PRINTCHAR ('\\'); | |
1593 | PRINTCHAR (c); | |
1594 | } | |
1595 | } | |
1596 | PRINTCHAR ('\"'); | |
7651e1f5 | 1597 | |
d5db4077 | 1598 | if (!NULL_INTERVAL_P (STRING_INTERVALS (obj))) |
7651e1f5 | 1599 | { |
d5db4077 | 1600 | traverse_intervals (STRING_INTERVALS (obj), |
8bbfc258 | 1601 | 0, print_interval, printcharfun); |
7651e1f5 RS |
1602 | PRINTCHAR (')'); |
1603 | } | |
7651e1f5 | 1604 | |
38010d50 JB |
1605 | UNGCPRO; |
1606 | } | |
ca0569ad | 1607 | break; |
38010d50 | 1608 | |
ca0569ad RS |
1609 | case Lisp_Symbol: |
1610 | { | |
1611 | register int confusing; | |
d5db4077 KR |
1612 | register unsigned char *p = SDATA (SYMBOL_NAME (obj)); |
1613 | register unsigned char *end = p + SBYTES (SYMBOL_NAME (obj)); | |
2190a05e | 1614 | register int c; |
dc2a0b79 RS |
1615 | int i, i_byte, size_byte; |
1616 | Lisp_Object name; | |
1617 | ||
76d0b3ae | 1618 | name = SYMBOL_NAME (obj); |
ca0569ad RS |
1619 | |
1620 | if (p != end && (*p == '-' || *p == '+')) p++; | |
1621 | if (p == end) | |
1622 | confusing = 0; | |
d27497e3 RS |
1623 | /* If symbol name begins with a digit, and ends with a digit, |
1624 | and contains nothing but digits and `e', it could be treated | |
1625 | as a number. So set CONFUSING. | |
1626 | ||
1627 | Symbols that contain periods could also be taken as numbers, | |
1628 | but periods are always escaped, so we don't have to worry | |
1629 | about them here. */ | |
1630 | else if (*p >= '0' && *p <= '9' | |
1631 | && end[-1] >= '0' && end[-1] <= '9') | |
ca0569ad | 1632 | { |
e837058b RS |
1633 | while (p != end && ((*p >= '0' && *p <= '9') |
1634 | /* Needed for \2e10. */ | |
1635 | || *p == 'e')) | |
ca0569ad RS |
1636 | p++; |
1637 | confusing = (end == p); | |
1638 | } | |
d27497e3 RS |
1639 | else |
1640 | confusing = 0; | |
ca0569ad | 1641 | |
bf9f2aab | 1642 | if (! NILP (Vprint_gensym) && !SYMBOL_INTERNED_P (obj)) |
081e0581 | 1643 | { |
081e0581 EN |
1644 | PRINTCHAR ('#'); |
1645 | PRINTCHAR (':'); | |
1646 | } | |
1647 | ||
d5db4077 | 1648 | size_byte = SBYTES (name); |
dc2a0b79 RS |
1649 | |
1650 | for (i = 0, i_byte = 0; i_byte < size_byte;) | |
ca0569ad | 1651 | { |
6ddd6eee RS |
1652 | /* Here, we must convert each multi-byte form to the |
1653 | corresponding character code before handing it to PRINTCHAR. */ | |
eba90784 | 1654 | FETCH_STRING_CHAR_ADVANCE (c, name, i, i_byte); |
ca0569ad | 1655 | QUIT; |
09eddb56 | 1656 | |
ca0569ad RS |
1657 | if (escapeflag) |
1658 | { | |
09eddb56 RS |
1659 | if (c == '\"' || c == '\\' || c == '\'' |
1660 | || c == ';' || c == '#' || c == '(' || c == ')' | |
1661 | || c == ',' || c =='.' || c == '`' | |
1662 | || c == '[' || c == ']' || c == '?' || c <= 040 | |
1663 | || confusing) | |
ca0569ad RS |
1664 | PRINTCHAR ('\\'), confusing = 0; |
1665 | } | |
1666 | PRINTCHAR (c); | |
1667 | } | |
1668 | } | |
1669 | break; | |
1670 | ||
1671 | case Lisp_Cons: | |
38010d50 | 1672 | /* If deeper than spec'd depth, print placeholder. */ |
d4ae1f7e | 1673 | if (INTEGERP (Vprint_level) |
38010d50 | 1674 | && print_depth > XINT (Vprint_level)) |
dc2a0b79 | 1675 | strout ("...", -1, -1, printcharfun, 0); |
2f100b5c EN |
1676 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) |
1677 | && (EQ (XCAR (obj), Qquote))) | |
1678 | { | |
1679 | PRINTCHAR ('\''); | |
0f25ecc6 | 1680 | print_object (XCAR (XCDR (obj)), printcharfun, escapeflag); |
2f100b5c EN |
1681 | } |
1682 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) | |
1683 | && (EQ (XCAR (obj), Qfunction))) | |
1684 | { | |
1685 | PRINTCHAR ('#'); | |
1686 | PRINTCHAR ('\''); | |
0f25ecc6 | 1687 | print_object (XCAR (XCDR (obj)), printcharfun, escapeflag); |
2f100b5c EN |
1688 | } |
1689 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) | |
0330bb60 | 1690 | && ! old_backquote_output |
2f100b5c EN |
1691 | && ((EQ (XCAR (obj), Qbackquote) |
1692 | || EQ (XCAR (obj), Qcomma) | |
1693 | || EQ (XCAR (obj), Qcomma_at) | |
1694 | || EQ (XCAR (obj), Qcomma_dot)))) | |
1695 | { | |
0f25ecc6 RS |
1696 | print_object (XCAR (obj), printcharfun, 0); |
1697 | print_object (XCAR (XCDR (obj)), printcharfun, escapeflag); | |
2f100b5c | 1698 | } |
e0f93814 | 1699 | else |
38010d50 | 1700 | { |
e0f93814 | 1701 | PRINTCHAR ('('); |
177c0ea7 | 1702 | |
0330bb60 RS |
1703 | /* If the first element is a backquote form, |
1704 | print it old-style so it won't be misunderstood. */ | |
1705 | if (print_quoted && CONSP (XCAR (obj)) | |
1706 | && CONSP (XCDR (XCAR (obj))) | |
1707 | && NILP (XCDR (XCDR (XCAR (obj)))) | |
1708 | && EQ (XCAR (XCAR (obj)), Qbackquote)) | |
1709 | { | |
1710 | Lisp_Object tem; | |
1711 | tem = XCAR (obj); | |
1712 | PRINTCHAR ('('); | |
1713 | ||
1714 | print_object (Qbackquote, printcharfun, 0); | |
1715 | PRINTCHAR (' '); | |
1716 | ||
1717 | ++old_backquote_output; | |
1718 | print_object (XCAR (XCDR (tem)), printcharfun, 0); | |
1719 | --old_backquote_output; | |
1720 | PRINTCHAR (')'); | |
1721 | ||
1722 | obj = XCDR (obj); | |
1723 | } | |
1724 | ||
38010d50 | 1725 | { |
42ac1ed4 | 1726 | int print_length, i; |
1eab22b5 | 1727 | Lisp_Object halftail = obj; |
e0f93814 | 1728 | |
9ab8560d | 1729 | /* Negative values of print-length are invalid in CL. |
42ac1ed4 GM |
1730 | Treat them like nil, as CMUCL does. */ |
1731 | if (NATNUMP (Vprint_length)) | |
1732 | print_length = XFASTINT (Vprint_length); | |
1733 | else | |
1734 | print_length = 0; | |
1735 | ||
1736 | i = 0; | |
e0f93814 | 1737 | while (CONSP (obj)) |
38010d50 | 1738 | { |
1eab22b5 | 1739 | /* Detect circular list. */ |
0f25ecc6 | 1740 | if (NILP (Vprint_circle)) |
1eab22b5 | 1741 | { |
0f25ecc6 RS |
1742 | /* Simple but imcomplete way. */ |
1743 | if (i != 0 && EQ (obj, halftail)) | |
1744 | { | |
1745 | sprintf (buf, " . #%d", i / 2); | |
1746 | strout (buf, -1, -1, printcharfun, 0); | |
1747 | goto end_of_list; | |
1748 | } | |
1749 | } | |
1750 | else | |
1751 | { | |
1752 | /* With the print-circle feature. */ | |
1753 | if (i != 0) | |
1754 | { | |
1755 | int i; | |
1756 | for (i = 0; i < print_number_index; i++) | |
42ac1ed4 GM |
1757 | if (EQ (PRINT_NUMBER_OBJECT (Vprint_number_table, i), |
1758 | obj)) | |
0f25ecc6 RS |
1759 | { |
1760 | if (NILP (PRINT_NUMBER_STATUS (Vprint_number_table, i))) | |
1761 | { | |
1762 | strout (" . ", 3, 3, printcharfun, 0); | |
1763 | print_object (obj, printcharfun, escapeflag); | |
1764 | } | |
1765 | else | |
1766 | { | |
1767 | sprintf (buf, " . #%d#", i + 1); | |
1768 | strout (buf, -1, -1, printcharfun, 0); | |
1769 | } | |
1770 | goto end_of_list; | |
1771 | } | |
1772 | } | |
1eab22b5 | 1773 | } |
177c0ea7 | 1774 | |
e0f93814 KH |
1775 | if (i++) |
1776 | PRINTCHAR (' '); | |
177c0ea7 | 1777 | |
f4fe72d5 | 1778 | if (print_length && i > print_length) |
e0f93814 | 1779 | { |
dc2a0b79 | 1780 | strout ("...", 3, 3, printcharfun, 0); |
0f25ecc6 | 1781 | goto end_of_list; |
e0f93814 | 1782 | } |
177c0ea7 | 1783 | |
0f25ecc6 | 1784 | print_object (XCAR (obj), printcharfun, escapeflag); |
177c0ea7 | 1785 | |
2f100b5c | 1786 | obj = XCDR (obj); |
1eab22b5 RS |
1787 | if (!(i & 1)) |
1788 | halftail = XCDR (halftail); | |
38010d50 | 1789 | } |
38010d50 | 1790 | } |
42ac1ed4 GM |
1791 | |
1792 | /* OBJ non-nil here means it's the end of a dotted list. */ | |
2f100b5c | 1793 | if (!NILP (obj)) |
e0f93814 | 1794 | { |
dc2a0b79 | 1795 | strout (" . ", 3, 3, printcharfun, 0); |
0f25ecc6 | 1796 | print_object (obj, printcharfun, escapeflag); |
e0f93814 | 1797 | } |
177c0ea7 | 1798 | |
0f25ecc6 | 1799 | end_of_list: |
e0f93814 | 1800 | PRINTCHAR (')'); |
38010d50 | 1801 | } |
ca0569ad RS |
1802 | break; |
1803 | ||
1804 | case Lisp_Vectorlike: | |
1805 | if (PROCESSP (obj)) | |
1806 | { | |
1807 | if (escapeflag) | |
1808 | { | |
dc2a0b79 | 1809 | strout ("#<process ", -1, -1, printcharfun, 0); |
ca0569ad RS |
1810 | print_string (XPROCESS (obj)->name, printcharfun); |
1811 | PRINTCHAR ('>'); | |
1812 | } | |
1813 | else | |
1814 | print_string (XPROCESS (obj)->name, printcharfun); | |
1815 | } | |
ed2c35ef RS |
1816 | else if (BOOL_VECTOR_P (obj)) |
1817 | { | |
1818 | register int i; | |
1819 | register unsigned char c; | |
1820 | struct gcpro gcpro1; | |
ed2c35ef | 1821 | int size_in_chars |
4b5af5e4 AS |
1822 | = ((XBOOL_VECTOR (obj)->size + BOOL_VECTOR_BITS_PER_CHAR - 1) |
1823 | / BOOL_VECTOR_BITS_PER_CHAR); | |
ed2c35ef RS |
1824 | |
1825 | GCPRO1 (obj); | |
1826 | ||
1827 | PRINTCHAR ('#'); | |
1828 | PRINTCHAR ('&'); | |
474f84d9 | 1829 | sprintf (buf, "%ld", (long) XBOOL_VECTOR (obj)->size); |
dc2a0b79 | 1830 | strout (buf, -1, -1, printcharfun, 0); |
ed2c35ef | 1831 | PRINTCHAR ('\"'); |
a40384bc | 1832 | |
42ac1ed4 | 1833 | /* Don't print more characters than the specified maximum. |
9ab8560d | 1834 | Negative values of print-length are invalid. Treat them |
42ac1ed4 GM |
1835 | like a print-length of nil. */ |
1836 | if (NATNUMP (Vprint_length) | |
1837 | && XFASTINT (Vprint_length) < size_in_chars) | |
1838 | size_in_chars = XFASTINT (Vprint_length); | |
a40384bc | 1839 | |
ed2c35ef RS |
1840 | for (i = 0; i < size_in_chars; i++) |
1841 | { | |
1842 | QUIT; | |
1843 | c = XBOOL_VECTOR (obj)->data[i]; | |
1844 | if (c == '\n' && print_escape_newlines) | |
1845 | { | |
1846 | PRINTCHAR ('\\'); | |
1847 | PRINTCHAR ('n'); | |
1848 | } | |
1849 | else if (c == '\f' && print_escape_newlines) | |
1850 | { | |
1851 | PRINTCHAR ('\\'); | |
1852 | PRINTCHAR ('f'); | |
1853 | } | |
4b5af5e4 AS |
1854 | else if (c > '\177') |
1855 | { | |
1856 | /* Use octal escapes to avoid encoding issues. */ | |
1857 | PRINTCHAR ('\\'); | |
1858 | PRINTCHAR ('0' + ((c >> 6) & 3)); | |
1859 | PRINTCHAR ('0' + ((c >> 3) & 7)); | |
1860 | PRINTCHAR ('0' + (c & 7)); | |
1861 | } | |
ed2c35ef RS |
1862 | else |
1863 | { | |
1864 | if (c == '\"' || c == '\\') | |
1865 | PRINTCHAR ('\\'); | |
1866 | PRINTCHAR (c); | |
1867 | } | |
1868 | } | |
1869 | PRINTCHAR ('\"'); | |
1870 | ||
1871 | UNGCPRO; | |
1872 | } | |
ca0569ad RS |
1873 | else if (SUBRP (obj)) |
1874 | { | |
dc2a0b79 RS |
1875 | strout ("#<subr ", -1, -1, printcharfun, 0); |
1876 | strout (XSUBR (obj)->symbol_name, -1, -1, printcharfun, 0); | |
ca0569ad RS |
1877 | PRINTCHAR ('>'); |
1878 | } | |
ca0569ad RS |
1879 | else if (WINDOWP (obj)) |
1880 | { | |
dc2a0b79 | 1881 | strout ("#<window ", -1, -1, printcharfun, 0); |
474f84d9 | 1882 | sprintf (buf, "%ld", (long) XFASTINT (XWINDOW (obj)->sequence_number)); |
dc2a0b79 | 1883 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1884 | if (!NILP (XWINDOW (obj)->buffer)) |
1885 | { | |
dc2a0b79 | 1886 | strout (" on ", -1, -1, printcharfun, 0); |
ca0569ad RS |
1887 | print_string (XBUFFER (XWINDOW (obj)->buffer)->name, printcharfun); |
1888 | } | |
1889 | PRINTCHAR ('>'); | |
1890 | } | |
7eb03302 GM |
1891 | else if (HASH_TABLE_P (obj)) |
1892 | { | |
1893 | struct Lisp_Hash_Table *h = XHASH_TABLE (obj); | |
1894 | strout ("#<hash-table", -1, -1, printcharfun, 0); | |
1895 | if (SYMBOLP (h->test)) | |
1896 | { | |
1897 | PRINTCHAR (' '); | |
1898 | PRINTCHAR ('\''); | |
d5db4077 | 1899 | strout (SDATA (SYMBOL_NAME (h->test)), -1, -1, printcharfun, 0); |
7eb03302 | 1900 | PRINTCHAR (' '); |
d5db4077 | 1901 | strout (SDATA (SYMBOL_NAME (h->weak)), -1, -1, printcharfun, 0); |
7eb03302 | 1902 | PRINTCHAR (' '); |
474f84d9 AS |
1903 | sprintf (buf, "%ld/%ld", (long) XFASTINT (h->count), |
1904 | (long) XVECTOR (h->next)->size); | |
7eb03302 GM |
1905 | strout (buf, -1, -1, printcharfun, 0); |
1906 | } | |
1907 | sprintf (buf, " 0x%lx", (unsigned long) h); | |
1908 | strout (buf, -1, -1, printcharfun, 0); | |
1909 | PRINTCHAR ('>'); | |
1910 | } | |
908b0ae5 RS |
1911 | else if (BUFFERP (obj)) |
1912 | { | |
1913 | if (NILP (XBUFFER (obj)->name)) | |
dc2a0b79 | 1914 | strout ("#<killed buffer>", -1, -1, printcharfun, 0); |
908b0ae5 RS |
1915 | else if (escapeflag) |
1916 | { | |
dc2a0b79 | 1917 | strout ("#<buffer ", -1, -1, printcharfun, 0); |
908b0ae5 RS |
1918 | print_string (XBUFFER (obj)->name, printcharfun); |
1919 | PRINTCHAR ('>'); | |
1920 | } | |
1921 | else | |
1922 | print_string (XBUFFER (obj)->name, printcharfun); | |
1923 | } | |
ca0569ad RS |
1924 | else if (WINDOW_CONFIGURATIONP (obj)) |
1925 | { | |
dc2a0b79 | 1926 | strout ("#<window-configuration>", -1, -1, printcharfun, 0); |
ca0569ad | 1927 | } |
ca0569ad RS |
1928 | else if (FRAMEP (obj)) |
1929 | { | |
1930 | strout ((FRAME_LIVE_P (XFRAME (obj)) | |
1931 | ? "#<frame " : "#<dead frame "), | |
dc2a0b79 | 1932 | -1, -1, printcharfun, 0); |
ca0569ad | 1933 | print_string (XFRAME (obj)->name, printcharfun); |
aab3aa14 | 1934 | sprintf (buf, " 0x%lx", (unsigned long) (XFRAME (obj))); |
dc2a0b79 | 1935 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1936 | PRINTCHAR ('>'); |
1937 | } | |
ca0569ad RS |
1938 | else |
1939 | { | |
3164abe6 | 1940 | EMACS_INT size = XVECTOR (obj)->size; |
ca0569ad RS |
1941 | if (COMPILEDP (obj)) |
1942 | { | |
1943 | PRINTCHAR ('#'); | |
1944 | size &= PSEUDOVECTOR_SIZE_MASK; | |
1945 | } | |
ed2c35ef RS |
1946 | if (CHAR_TABLE_P (obj)) |
1947 | { | |
1948 | /* We print a char-table as if it were a vector, | |
1949 | lumping the parent and default slots in with the | |
1950 | character slots. But we add #^ as a prefix. */ | |
1951 | PRINTCHAR ('#'); | |
1952 | PRINTCHAR ('^'); | |
3701b5de KH |
1953 | if (SUB_CHAR_TABLE_P (obj)) |
1954 | PRINTCHAR ('^'); | |
ed2c35ef RS |
1955 | size &= PSEUDOVECTOR_SIZE_MASK; |
1956 | } | |
00d76abc KH |
1957 | if (size & PSEUDOVECTOR_FLAG) |
1958 | goto badtype; | |
ca0569ad RS |
1959 | |
1960 | PRINTCHAR ('['); | |
38010d50 | 1961 | { |
ca0569ad RS |
1962 | register int i; |
1963 | register Lisp_Object tem; | |
d6ac884e | 1964 | int real_size = size; |
a40384bc RS |
1965 | |
1966 | /* Don't print more elements than the specified maximum. */ | |
42ac1ed4 GM |
1967 | if (NATNUMP (Vprint_length) |
1968 | && XFASTINT (Vprint_length) < size) | |
1969 | size = XFASTINT (Vprint_length); | |
a40384bc | 1970 | |
ca0569ad RS |
1971 | for (i = 0; i < size; i++) |
1972 | { | |
1973 | if (i) PRINTCHAR (' '); | |
1974 | tem = XVECTOR (obj)->contents[i]; | |
0f25ecc6 | 1975 | print_object (tem, printcharfun, escapeflag); |
ca0569ad | 1976 | } |
d6ac884e KH |
1977 | if (size < real_size) |
1978 | strout (" ...", 4, 4, printcharfun, 0); | |
38010d50 | 1979 | } |
ca0569ad RS |
1980 | PRINTCHAR (']'); |
1981 | } | |
1982 | break; | |
1983 | ||
ca0569ad | 1984 | case Lisp_Misc: |
5db20f08 | 1985 | switch (XMISCTYPE (obj)) |
38010d50 | 1986 | { |
00d76abc | 1987 | case Lisp_Misc_Marker: |
dc2a0b79 | 1988 | strout ("#<marker ", -1, -1, printcharfun, 0); |
087e3c46 KH |
1989 | /* Do you think this is necessary? */ |
1990 | if (XMARKER (obj)->insertion_type != 0) | |
210ebd3d | 1991 | strout ("(moves after insertion) ", -1, -1, printcharfun, 0); |
ca0569ad | 1992 | if (!(XMARKER (obj)->buffer)) |
dc2a0b79 | 1993 | strout ("in no buffer", -1, -1, printcharfun, 0); |
ca0569ad RS |
1994 | else |
1995 | { | |
1996 | sprintf (buf, "at %d", marker_position (obj)); | |
dc2a0b79 RS |
1997 | strout (buf, -1, -1, printcharfun, 0); |
1998 | strout (" in ", -1, -1, printcharfun, 0); | |
ca0569ad RS |
1999 | print_string (XMARKER (obj)->buffer->name, printcharfun); |
2000 | } | |
38010d50 | 2001 | PRINTCHAR ('>'); |
908b0ae5 | 2002 | break; |
00d76abc KH |
2003 | |
2004 | case Lisp_Misc_Overlay: | |
dc2a0b79 | 2005 | strout ("#<overlay ", -1, -1, printcharfun, 0); |
ca0569ad | 2006 | if (!(XMARKER (OVERLAY_START (obj))->buffer)) |
dc2a0b79 | 2007 | strout ("in no buffer", -1, -1, printcharfun, 0); |
ca0569ad RS |
2008 | else |
2009 | { | |
2010 | sprintf (buf, "from %d to %d in ", | |
2011 | marker_position (OVERLAY_START (obj)), | |
2012 | marker_position (OVERLAY_END (obj))); | |
dc2a0b79 | 2013 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
2014 | print_string (XMARKER (OVERLAY_START (obj))->buffer->name, |
2015 | printcharfun); | |
2016 | } | |
2017 | PRINTCHAR ('>'); | |
908b0ae5 | 2018 | break; |
00d76abc KH |
2019 | |
2020 | /* Remaining cases shouldn't happen in normal usage, but let's print | |
2021 | them anyway for the benefit of the debugger. */ | |
2022 | case Lisp_Misc_Free: | |
dc2a0b79 | 2023 | strout ("#<misc free cell>", -1, -1, printcharfun, 0); |
00d76abc KH |
2024 | break; |
2025 | ||
2026 | case Lisp_Misc_Intfwd: | |
474f84d9 | 2027 | sprintf (buf, "#<intfwd to %ld>", (long) *XINTFWD (obj)->intvar); |
dc2a0b79 | 2028 | strout (buf, -1, -1, printcharfun, 0); |
00d76abc KH |
2029 | break; |
2030 | ||
2031 | case Lisp_Misc_Boolfwd: | |
2032 | sprintf (buf, "#<boolfwd to %s>", | |
2033 | (*XBOOLFWD (obj)->boolvar ? "t" : "nil")); | |
dc2a0b79 | 2034 | strout (buf, -1, -1, printcharfun, 0); |
00d76abc KH |
2035 | break; |
2036 | ||
2037 | case Lisp_Misc_Objfwd: | |
dc2a0b79 | 2038 | strout ("#<objfwd to ", -1, -1, printcharfun, 0); |
0f25ecc6 | 2039 | print_object (*XOBJFWD (obj)->objvar, printcharfun, escapeflag); |
00d76abc KH |
2040 | PRINTCHAR ('>'); |
2041 | break; | |
2042 | ||
2043 | case Lisp_Misc_Buffer_Objfwd: | |
dc2a0b79 | 2044 | strout ("#<buffer_objfwd to ", -1, -1, printcharfun, 0); |
f6cd0527 GM |
2045 | print_object (PER_BUFFER_VALUE (current_buffer, |
2046 | XBUFFER_OBJFWD (obj)->offset), | |
c3279ad4 | 2047 | printcharfun, escapeflag); |
3ac613c1 KH |
2048 | PRINTCHAR ('>'); |
2049 | break; | |
2050 | ||
fb917148 | 2051 | case Lisp_Misc_Kboard_Objfwd: |
dc2a0b79 | 2052 | strout ("#<kboard_objfwd to ", -1, -1, printcharfun, 0); |
0f25ecc6 RS |
2053 | print_object (*(Lisp_Object *)((char *) current_kboard |
2054 | + XKBOARD_OBJFWD (obj)->offset), | |
c3279ad4 | 2055 | printcharfun, escapeflag); |
00d76abc KH |
2056 | PRINTCHAR ('>'); |
2057 | break; | |
2058 | ||
2059 | case Lisp_Misc_Buffer_Local_Value: | |
dc2a0b79 | 2060 | strout ("#<buffer_local_value ", -1, -1, printcharfun, 0); |
00d76abc KH |
2061 | goto do_buffer_local; |
2062 | case Lisp_Misc_Some_Buffer_Local_Value: | |
dc2a0b79 | 2063 | strout ("#<some_buffer_local_value ", -1, -1, printcharfun, 0); |
00d76abc | 2064 | do_buffer_local: |
dc2a0b79 | 2065 | strout ("[realvalue] ", -1, -1, printcharfun, 0); |
0f25ecc6 RS |
2066 | print_object (XBUFFER_LOCAL_VALUE (obj)->realvalue, |
2067 | printcharfun, escapeflag); | |
03153771 RS |
2068 | if (XBUFFER_LOCAL_VALUE (obj)->found_for_buffer) |
2069 | strout ("[local in buffer] ", -1, -1, printcharfun, 0); | |
2070 | else | |
2071 | strout ("[buffer] ", -1, -1, printcharfun, 0); | |
0f25ecc6 RS |
2072 | print_object (XBUFFER_LOCAL_VALUE (obj)->buffer, |
2073 | printcharfun, escapeflag); | |
03153771 RS |
2074 | if (XBUFFER_LOCAL_VALUE (obj)->check_frame) |
2075 | { | |
2076 | if (XBUFFER_LOCAL_VALUE (obj)->found_for_frame) | |
2077 | strout ("[local in frame] ", -1, -1, printcharfun, 0); | |
2078 | else | |
2079 | strout ("[frame] ", -1, -1, printcharfun, 0); | |
0f25ecc6 RS |
2080 | print_object (XBUFFER_LOCAL_VALUE (obj)->frame, |
2081 | printcharfun, escapeflag); | |
03153771 | 2082 | } |
dc2a0b79 | 2083 | strout ("[alist-elt] ", -1, -1, printcharfun, 0); |
94b342ce | 2084 | print_object (XCAR (XBUFFER_LOCAL_VALUE (obj)->cdr), |
0f25ecc6 | 2085 | printcharfun, escapeflag); |
dc2a0b79 | 2086 | strout ("[default-value] ", -1, -1, printcharfun, 0); |
94b342ce | 2087 | print_object (XCDR (XBUFFER_LOCAL_VALUE (obj)->cdr), |
0f25ecc6 | 2088 | printcharfun, escapeflag); |
00d76abc KH |
2089 | PRINTCHAR ('>'); |
2090 | break; | |
2091 | ||
c069fee4 KS |
2092 | case Lisp_Misc_Save_Value: |
2093 | strout ("#<save_value ", -1, -1, printcharfun, 0); | |
44455197 | 2094 | sprintf(buf, "ptr=0x%08lx int=%d", |
c069fee4 KS |
2095 | (unsigned long) XSAVE_VALUE (obj)->pointer, |
2096 | XSAVE_VALUE (obj)->integer); | |
2097 | strout (buf, -1, -1, printcharfun, 0); | |
2098 | PRINTCHAR ('>'); | |
2099 | break; | |
2100 | ||
00d76abc KH |
2101 | default: |
2102 | goto badtype; | |
e0f93814 | 2103 | } |
00d76abc | 2104 | break; |
ca0569ad RS |
2105 | |
2106 | default: | |
00d76abc | 2107 | badtype: |
ca0569ad RS |
2108 | { |
2109 | /* We're in trouble if this happens! | |
2110 | Probably should just abort () */ | |
dc2a0b79 | 2111 | strout ("#<EMACS BUG: INVALID DATATYPE ", -1, -1, printcharfun, 0); |
00d76abc | 2112 | if (MISCP (obj)) |
5db20f08 | 2113 | sprintf (buf, "(MISC 0x%04x)", (int) XMISCTYPE (obj)); |
00d76abc KH |
2114 | else if (VECTORLIKEP (obj)) |
2115 | sprintf (buf, "(PVEC 0x%08x)", (int) XVECTOR (obj)->size); | |
2116 | else | |
2117 | sprintf (buf, "(0x%02x)", (int) XTYPE (obj)); | |
dc2a0b79 | 2118 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad | 2119 | strout (" Save your buffers immediately and please report this bug>", |
dc2a0b79 | 2120 | -1, -1, printcharfun, 0); |
ca0569ad | 2121 | } |
38010d50 JB |
2122 | } |
2123 | ||
2124 | print_depth--; | |
2125 | } | |
2126 | \f | |
7651e1f5 RS |
2127 | |
2128 | /* Print a description of INTERVAL using PRINTCHARFUN. | |
2129 | This is part of printing a string that has text properties. */ | |
2130 | ||
2131 | void | |
2132 | print_interval (interval, printcharfun) | |
2133 | INTERVAL interval; | |
2134 | Lisp_Object printcharfun; | |
2135 | { | |
30503c0b | 2136 | PRINTCHAR (' '); |
0f25ecc6 | 2137 | print_object (make_number (interval->position), printcharfun, 1); |
7651e1f5 | 2138 | PRINTCHAR (' '); |
0f25ecc6 | 2139 | print_object (make_number (interval->position + LENGTH (interval)), |
7651e1f5 RS |
2140 | printcharfun, 1); |
2141 | PRINTCHAR (' '); | |
0f25ecc6 | 2142 | print_object (interval->plist, printcharfun, 1); |
7651e1f5 RS |
2143 | } |
2144 | ||
7651e1f5 | 2145 | \f |
38010d50 JB |
2146 | void |
2147 | syms_of_print () | |
2148 | { | |
d9c21094 RS |
2149 | Qtemp_buffer_setup_hook = intern ("temp-buffer-setup-hook"); |
2150 | staticpro (&Qtemp_buffer_setup_hook); | |
2151 | ||
38010d50 | 2152 | DEFVAR_LISP ("standard-output", &Vstandard_output, |
8c1a1077 PJ |
2153 | doc: /* Output stream `print' uses by default for outputting a character. |
2154 | This may be any function of one argument. | |
2155 | It may also be a buffer (output is inserted before point) | |
2156 | or a marker (output is inserted and the marker is advanced) | |
2157 | or the symbol t (output appears in the echo area). */); | |
38010d50 JB |
2158 | Vstandard_output = Qt; |
2159 | Qstandard_output = intern ("standard-output"); | |
2160 | staticpro (&Qstandard_output); | |
2161 | ||
38010d50 | 2162 | DEFVAR_LISP ("float-output-format", &Vfloat_output_format, |
8c1a1077 PJ |
2163 | doc: /* The format descriptor string used to print floats. |
2164 | This is a %-spec like those accepted by `printf' in C, | |
2165 | but with some restrictions. It must start with the two characters `%.'. | |
2166 | After that comes an integer precision specification, | |
2167 | and then a letter which controls the format. | |
2168 | The letters allowed are `e', `f' and `g'. | |
2169 | Use `e' for exponential notation \"DIG.DIGITSeEXPT\" | |
2170 | Use `f' for decimal point notation \"DIGITS.DIGITS\". | |
2171 | Use `g' to choose the shorter of those two formats for the number at hand. | |
2172 | The precision in any of these cases is the number of digits following | |
2173 | the decimal point. With `f', a precision of 0 means to omit the | |
2174 | decimal point. 0 is not allowed with `e' or `g'. | |
2175 | ||
2176 | A value of nil means to use the shortest notation | |
2177 | that represents the number without losing information. */); | |
38010d50 JB |
2178 | Vfloat_output_format = Qnil; |
2179 | Qfloat_output_format = intern ("float-output-format"); | |
2180 | staticpro (&Qfloat_output_format); | |
38010d50 JB |
2181 | |
2182 | DEFVAR_LISP ("print-length", &Vprint_length, | |
8c1a1077 PJ |
2183 | doc: /* Maximum length of list to print before abbreviating. |
2184 | A value of nil means no limit. See also `eval-expression-print-length'. */); | |
38010d50 JB |
2185 | Vprint_length = Qnil; |
2186 | ||
2187 | DEFVAR_LISP ("print-level", &Vprint_level, | |
8c1a1077 PJ |
2188 | doc: /* Maximum depth of list nesting to print before abbreviating. |
2189 | A value of nil means no limit. See also `eval-expression-print-level'. */); | |
38010d50 JB |
2190 | Vprint_level = Qnil; |
2191 | ||
2192 | DEFVAR_BOOL ("print-escape-newlines", &print_escape_newlines, | |
8c1a1077 PJ |
2193 | doc: /* Non-nil means print newlines in strings as `\\n'. |
2194 | Also print formfeeds as `\\f'. */); | |
38010d50 JB |
2195 | print_escape_newlines = 0; |
2196 | ||
38940e93 | 2197 | DEFVAR_BOOL ("print-escape-nonascii", &print_escape_nonascii, |
8c1a1077 PJ |
2198 | doc: /* Non-nil means print unibyte non-ASCII chars in strings as \\OOO. |
2199 | \(OOO is the octal representation of the character code.) | |
249c0f71 RS |
2200 | Only single-byte characters are affected, and only in `prin1'. |
2201 | When the output goes in a multibyte buffer, this feature is | |
2202 | enabled regardless of the value of the variable. */); | |
38940e93 RS |
2203 | print_escape_nonascii = 0; |
2204 | ||
835d0be6 | 2205 | DEFVAR_BOOL ("print-escape-multibyte", &print_escape_multibyte, |
8c1a1077 PJ |
2206 | doc: /* Non-nil means print multibyte characters in strings as \\xXXXX. |
2207 | \(XXXX is the hex representation of the character code.) | |
2208 | This affects only `prin1'. */); | |
835d0be6 RS |
2209 | print_escape_multibyte = 0; |
2210 | ||
2f100b5c | 2211 | DEFVAR_BOOL ("print-quoted", &print_quoted, |
8c1a1077 PJ |
2212 | doc: /* Non-nil means print quoted forms with reader syntax. |
2213 | I.e., (quote foo) prints as 'foo, (function foo) as #'foo, and backquoted | |
2214 | forms print as in the new syntax. */); | |
2f100b5c EN |
2215 | print_quoted = 0; |
2216 | ||
e0f69431 | 2217 | DEFVAR_LISP ("print-gensym", &Vprint_gensym, |
8c1a1077 PJ |
2218 | doc: /* Non-nil means print uninterned symbols so they will read as uninterned. |
2219 | I.e., the value of (make-symbol \"foobar\") prints as #:foobar. | |
2220 | When the uninterned symbol appears within a recursive data structure, | |
2221 | and the symbol appears more than once, in addition use the #N# and #N= | |
2222 | constructs as needed, so that multiple references to the same symbol are | |
2223 | shared once again when the text is read back. */); | |
e0f69431 RS |
2224 | Vprint_gensym = Qnil; |
2225 | ||
0f25ecc6 | 2226 | DEFVAR_LISP ("print-circle", &Vprint_circle, |
8c1a1077 PJ |
2227 | doc: /* *Non-nil means print recursive structures using #N= and #N# syntax. |
2228 | If nil, printing proceeds recursively and may lead to | |
2229 | `max-lisp-eval-depth' being exceeded or an error may occur: | |
2230 | \"Apparently circular structure being printed.\" Also see | |
2231 | `print-length' and `print-level'. | |
2232 | If non-nil, shared substructures anywhere in the structure are printed | |
2233 | with `#N=' before the first occurrence (in the order of the print | |
2234 | representation) and `#N#' in place of each subsequent occurrence, | |
2235 | where N is a positive decimal integer. */); | |
0f25ecc6 RS |
2236 | Vprint_circle = Qnil; |
2237 | ||
2238 | DEFVAR_LISP ("print-continuous-numbering", &Vprint_continuous_numbering, | |
8c1a1077 PJ |
2239 | doc: /* *Non-nil means number continuously across print calls. |
2240 | This affects the numbers printed for #N= labels and #M# references. | |
2241 | See also `print-circle', `print-gensym', and `print-number-table'. | |
2242 | This variable should not be set with `setq'; bind it with a `let' instead. */); | |
0f25ecc6 RS |
2243 | Vprint_continuous_numbering = Qnil; |
2244 | ||
2245 | DEFVAR_LISP ("print-number-table", &Vprint_number_table, | |
8c1a1077 PJ |
2246 | doc: /* A vector used internally to produce `#N=' labels and `#N#' references. |
2247 | The Lisp printer uses this vector to detect Lisp objects referenced more | |
e6d4cddd RS |
2248 | than once. |
2249 | ||
2250 | When you bind `print-continuous-numbering' to t, you should probably | |
2251 | also bind `print-number-table' to nil. This ensures that the value of | |
2252 | `print-number-table' can be garbage-collected once the printing is | |
2253 | done. If all elements of `print-number-table' are nil, it means that | |
2254 | the printing done so far has not found any shared structure or objects | |
2255 | that need to be recorded in the table. */); | |
0f25ecc6 | 2256 | Vprint_number_table = Qnil; |
081e0581 | 2257 | |
38010d50 JB |
2258 | /* prin1_to_string_buffer initialized in init_buffer_once in buffer.c */ |
2259 | staticpro (&Vprin1_to_string_buffer); | |
2260 | ||
2261 | defsubr (&Sprin1); | |
2262 | defsubr (&Sprin1_to_string); | |
113620cc | 2263 | defsubr (&Serror_message_string); |
38010d50 JB |
2264 | defsubr (&Sprinc); |
2265 | defsubr (&Sprint); | |
2266 | defsubr (&Sterpri); | |
2267 | defsubr (&Swrite_char); | |
2268 | defsubr (&Sexternal_debugging_output); | |
95e52d88 | 2269 | #ifdef WITH_REDIRECT_DEBUGGING_OUTPUT |
6a1ff3ba | 2270 | defsubr (&Sredirect_debugging_output); |
95e52d88 | 2271 | #endif |
38010d50 JB |
2272 | |
2273 | Qexternal_debugging_output = intern ("external-debugging-output"); | |
2274 | staticpro (&Qexternal_debugging_output); | |
2275 | ||
2f100b5c EN |
2276 | Qprint_escape_newlines = intern ("print-escape-newlines"); |
2277 | staticpro (&Qprint_escape_newlines); | |
2278 | ||
835d0be6 RS |
2279 | Qprint_escape_multibyte = intern ("print-escape-multibyte"); |
2280 | staticpro (&Qprint_escape_multibyte); | |
2281 | ||
2282 | Qprint_escape_nonascii = intern ("print-escape-nonascii"); | |
2283 | staticpro (&Qprint_escape_nonascii); | |
2284 | ||
38010d50 | 2285 | defsubr (&Swith_output_to_temp_buffer); |
38010d50 | 2286 | } |
ab5796a9 MB |
2287 | |
2288 | /* arch-tag: bc797170-94ae-41de-86e3-75e20f8f7a39 | |
2289 | (do not change this comment) */ |