Commit | Line | Data |
---|---|---|
38010d50 | 1 | /* Lisp object printing and output streams. |
26a59e42 | 2 | Copyright (C) 1985, 86, 88, 93, 94, 95, 97, 98, 1999, 2000, 01, 2003 |
9dffd511 | 3 | Free Software Foundation, Inc. |
38010d50 JB |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
7 | GNU Emacs is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
4746118a | 9 | the Free Software Foundation; either version 2, or (at your option) |
38010d50 JB |
10 | any later version. |
11 | ||
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU Emacs; see the file COPYING. If not, write to | |
3b7ad313 EN |
19 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
20 | Boston, MA 02111-1307, USA. */ | |
38010d50 JB |
21 | |
22 | ||
18160b98 | 23 | #include <config.h> |
38010d50 | 24 | #include <stdio.h> |
38010d50 | 25 | #include "lisp.h" |
38010d50 | 26 | #include "buffer.h" |
087e3c46 | 27 | #include "charset.h" |
2538fae4 | 28 | #include "keyboard.h" |
0137dbf7 | 29 | #include "frame.h" |
38010d50 JB |
30 | #include "window.h" |
31 | #include "process.h" | |
32 | #include "dispextern.h" | |
28d440ab | 33 | #include "systty.h" /* For emacs_tty in termchar.h */ |
38010d50 | 34 | #include "termchar.h" |
7651e1f5 | 35 | #include "intervals.h" |
7651e1f5 | 36 | |
38010d50 JB |
37 | Lisp_Object Vstandard_output, Qstandard_output; |
38 | ||
d9c21094 RS |
39 | Lisp_Object Qtemp_buffer_setup_hook; |
40 | ||
2f100b5c EN |
41 | /* These are used to print like we read. */ |
42 | extern Lisp_Object Qbackquote, Qcomma, Qcomma_at, Qcomma_dot, Qfunction; | |
43 | ||
38010d50 | 44 | Lisp_Object Vfloat_output_format, Qfloat_output_format; |
f356c3fb PE |
45 | |
46 | /* Work around a problem that happens because math.h on hpux 7 | |
47 | defines two static variables--which, in Emacs, are not really static, | |
48 | because `static' is defined as nothing. The problem is that they are | |
49 | defined both here and in lread.c. | |
50 | These macros prevent the name conflict. */ | |
51 | #if defined (HPUX) && !defined (HPUX8) | |
52 | #define _MAXLDBL print_maxldbl | |
53 | #define _NMAXLDBL print_nmaxldbl | |
54 | #endif | |
55 | ||
56 | #include <math.h> | |
57 | ||
58 | #if STDC_HEADERS | |
59 | #include <float.h> | |
f356c3fb PE |
60 | #endif |
61 | ||
62 | /* Default to values appropriate for IEEE floating point. */ | |
63 | #ifndef FLT_RADIX | |
64 | #define FLT_RADIX 2 | |
65 | #endif | |
66 | #ifndef DBL_MANT_DIG | |
67 | #define DBL_MANT_DIG 53 | |
68 | #endif | |
69 | #ifndef DBL_DIG | |
70 | #define DBL_DIG 15 | |
71 | #endif | |
b0a1044b PE |
72 | #ifndef DBL_MIN |
73 | #define DBL_MIN 2.2250738585072014e-308 | |
74 | #endif | |
75 | ||
76 | #ifdef DBL_MIN_REPLACEMENT | |
77 | #undef DBL_MIN | |
78 | #define DBL_MIN DBL_MIN_REPLACEMENT | |
79 | #endif | |
f356c3fb PE |
80 | |
81 | /* Define DOUBLE_DIGITS_BOUND, an upper bound on the number of decimal digits | |
82 | needed to express a float without losing information. | |
83 | The general-case formula is valid for the usual case, IEEE floating point, | |
84 | but many compilers can't optimize the formula to an integer constant, | |
85 | so make a special case for it. */ | |
86 | #if FLT_RADIX == 2 && DBL_MANT_DIG == 53 | |
87 | #define DOUBLE_DIGITS_BOUND 17 /* IEEE floating point */ | |
88 | #else | |
89 | #define DOUBLE_DIGITS_BOUND ((int) ceil (log10 (pow (FLT_RADIX, DBL_MANT_DIG)))) | |
90 | #endif | |
91 | ||
38010d50 JB |
92 | /* Avoid actual stack overflow in print. */ |
93 | int print_depth; | |
94 | ||
0330bb60 RS |
95 | /* Nonzero if inside outputting backquote in old style. */ |
96 | int old_backquote_output; | |
97 | ||
ec838c39 RS |
98 | /* Detect most circularities to print finite output. */ |
99 | #define PRINT_CIRCLE 200 | |
100 | Lisp_Object being_printed[PRINT_CIRCLE]; | |
101 | ||
6fec5601 RS |
102 | /* When printing into a buffer, first we put the text in this |
103 | block, then insert it all at once. */ | |
104 | char *print_buffer; | |
105 | ||
106 | /* Size allocated in print_buffer. */ | |
107 | int print_buffer_size; | |
dc2a0b79 | 108 | /* Chars stored in print_buffer. */ |
6fec5601 | 109 | int print_buffer_pos; |
dc2a0b79 RS |
110 | /* Bytes stored in print_buffer. */ |
111 | int print_buffer_pos_byte; | |
6fec5601 | 112 | |
38010d50 JB |
113 | /* Maximum length of list to print in full; noninteger means |
114 | effectively infinity */ | |
115 | ||
116 | Lisp_Object Vprint_length; | |
117 | ||
118 | /* Maximum depth of list to print in full; noninteger means | |
119 | effectively infinity. */ | |
120 | ||
121 | Lisp_Object Vprint_level; | |
122 | ||
123 | /* Nonzero means print newlines in strings as \n. */ | |
124 | ||
125 | int print_escape_newlines; | |
126 | ||
38940e93 RS |
127 | /* Nonzero means to print single-byte non-ascii characters in strings as |
128 | octal escapes. */ | |
129 | ||
130 | int print_escape_nonascii; | |
131 | ||
835d0be6 RS |
132 | /* Nonzero means to print multibyte characters in strings as hex escapes. */ |
133 | ||
134 | int print_escape_multibyte; | |
135 | ||
136 | Lisp_Object Qprint_escape_newlines; | |
137 | Lisp_Object Qprint_escape_multibyte, Qprint_escape_nonascii; | |
138 | ||
2f100b5c EN |
139 | /* Nonzero means print (quote foo) forms as 'foo, etc. */ |
140 | ||
141 | int print_quoted; | |
142 | ||
0f25ecc6 | 143 | /* Non-nil means print #: before uninterned symbols. */ |
081e0581 | 144 | |
e0f69431 | 145 | Lisp_Object Vprint_gensym; |
081e0581 | 146 | |
0f25ecc6 | 147 | /* Non-nil means print recursive structures using #n= and #n# syntax. */ |
081e0581 | 148 | |
0f25ecc6 RS |
149 | Lisp_Object Vprint_circle; |
150 | ||
151 | /* Non-nil means keep continuous number for #n= and #n# syntax | |
152 | between several print functions. */ | |
153 | ||
154 | Lisp_Object Vprint_continuous_numbering; | |
155 | ||
156 | /* Vprint_number_table is a vector like [OBJ1 STAT1 OBJ2 STAT2 ...], | |
157 | where OBJn are objects going to be printed, and STATn are their status, | |
158 | which may be different meanings during process. See the comments of | |
159 | the functions print and print_preprocess for details. | |
160 | print_number_index keeps the last position the next object should be added, | |
161 | twice of which is the actual vector position in Vprint_number_table. */ | |
162 | int print_number_index; | |
163 | Lisp_Object Vprint_number_table; | |
164 | ||
165 | /* PRINT_NUMBER_OBJECT returns the I'th object in Vprint_number_table TABLE. | |
166 | PRINT_NUMBER_STATUS returns the status of the I'th object in TABLE. | |
167 | See the comment of the variable Vprint_number_table. */ | |
168 | #define PRINT_NUMBER_OBJECT(table,i) XVECTOR ((table))->contents[(i) * 2] | |
169 | #define PRINT_NUMBER_STATUS(table,i) XVECTOR ((table))->contents[(i) * 2 + 1] | |
2f100b5c | 170 | |
5259c737 | 171 | /* Nonzero means print newline to stdout before next minibuffer message. |
38010d50 JB |
172 | Defined in xdisp.c */ |
173 | ||
174 | extern int noninteractive_need_newline; | |
5259c737 | 175 | |
aec2b95b RS |
176 | extern int minibuffer_auto_raise; |
177 | ||
38010d50 JB |
178 | #ifdef MAX_PRINT_CHARS |
179 | static int print_chars; | |
180 | static int max_print; | |
181 | #endif /* MAX_PRINT_CHARS */ | |
7651e1f5 RS |
182 | |
183 | void print_interval (); | |
38010d50 | 184 | |
38010d50 | 185 | \f |
eb8c3be9 | 186 | /* Low level output routines for characters and strings */ |
38010d50 JB |
187 | |
188 | /* Lisp functions to do output using a stream | |
081e0581 EN |
189 | must have the stream in a variable called printcharfun |
190 | and must start with PRINTPREPARE, end with PRINTFINISH, | |
191 | and use PRINTDECLARE to declare common variables. | |
192 | Use PRINTCHAR to output one character, | |
177c0ea7 | 193 | or call strout to output a block of characters. */ |
0788646c GM |
194 | |
195 | #define PRINTDECLARE \ | |
196 | struct buffer *old = current_buffer; \ | |
ee5263af GM |
197 | int old_point = -1, start_point = -1; \ |
198 | int old_point_byte = -1, start_point_byte = -1; \ | |
aed13378 | 199 | int specpdl_count = SPECPDL_INDEX (); \ |
0788646c GM |
200 | int free_print_buffer = 0; \ |
201 | int multibyte = !NILP (current_buffer->enable_multibyte_characters); \ | |
081e0581 EN |
202 | Lisp_Object original |
203 | ||
0788646c GM |
204 | #define PRINTPREPARE \ |
205 | original = printcharfun; \ | |
206 | if (NILP (printcharfun)) printcharfun = Qt; \ | |
207 | if (BUFFERP (printcharfun)) \ | |
208 | { \ | |
209 | if (XBUFFER (printcharfun) != current_buffer) \ | |
210 | Fset_buffer (printcharfun); \ | |
211 | printcharfun = Qnil; \ | |
212 | } \ | |
213 | if (MARKERP (printcharfun)) \ | |
214 | { \ | |
215 | if (!(XMARKER (original)->buffer)) \ | |
216 | error ("Marker does not point anywhere"); \ | |
217 | if (XMARKER (original)->buffer != current_buffer) \ | |
218 | set_buffer_internal (XMARKER (original)->buffer); \ | |
219 | old_point = PT; \ | |
220 | old_point_byte = PT_BYTE; \ | |
221 | SET_PT_BOTH (marker_position (printcharfun), \ | |
222 | marker_byte_position (printcharfun)); \ | |
223 | start_point = PT; \ | |
224 | start_point_byte = PT_BYTE; \ | |
225 | printcharfun = Qnil; \ | |
226 | } \ | |
227 | if (NILP (printcharfun)) \ | |
228 | { \ | |
229 | Lisp_Object string; \ | |
230 | if (NILP (current_buffer->enable_multibyte_characters) \ | |
231 | && ! print_escape_multibyte) \ | |
232 | specbind (Qprint_escape_multibyte, Qt); \ | |
d39f07c2 RS |
233 | if (! NILP (current_buffer->enable_multibyte_characters) \ |
234 | && ! print_escape_nonascii) \ | |
235 | specbind (Qprint_escape_nonascii, Qt); \ | |
0788646c GM |
236 | if (print_buffer != 0) \ |
237 | { \ | |
238 | string = make_string_from_bytes (print_buffer, \ | |
239 | print_buffer_pos, \ | |
240 | print_buffer_pos_byte); \ | |
241 | record_unwind_protect (print_unwind, string); \ | |
242 | } \ | |
243 | else \ | |
244 | { \ | |
245 | print_buffer_size = 1000; \ | |
246 | print_buffer = (char *) xmalloc (print_buffer_size); \ | |
247 | free_print_buffer = 1; \ | |
248 | } \ | |
249 | print_buffer_pos = 0; \ | |
250 | print_buffer_pos_byte = 0; \ | |
251 | } \ | |
5494b50f | 252 | if (EQ (printcharfun, Qt) && ! noninteractive) \ |
0f25ecc6 | 253 | setup_echo_area_for_printing (multibyte); |
38010d50 | 254 | |
8a2ab0c6 RS |
255 | #define PRINTFINISH \ |
256 | if (NILP (printcharfun)) \ | |
257 | { \ | |
258 | if (print_buffer_pos != print_buffer_pos_byte \ | |
259 | && NILP (current_buffer->enable_multibyte_characters)) \ | |
260 | { \ | |
261 | unsigned char *temp \ | |
262 | = (unsigned char *) alloca (print_buffer_pos + 1); \ | |
263 | copy_text (print_buffer, temp, print_buffer_pos_byte, \ | |
264 | 1, 0); \ | |
265 | insert_1_both (temp, print_buffer_pos, \ | |
266 | print_buffer_pos, 0, 1, 0); \ | |
267 | } \ | |
268 | else \ | |
269 | insert_1_both (print_buffer, print_buffer_pos, \ | |
270 | print_buffer_pos_byte, 0, 1, 0); \ | |
271 | } \ | |
272 | if (free_print_buffer) \ | |
273 | { \ | |
274 | xfree (print_buffer); \ | |
275 | print_buffer = 0; \ | |
276 | } \ | |
277 | unbind_to (specpdl_count, Qnil); \ | |
278 | if (MARKERP (original)) \ | |
279 | set_marker_both (original, Qnil, PT, PT_BYTE); \ | |
280 | if (old_point >= 0) \ | |
281 | SET_PT_BOTH (old_point + (old_point >= start_point \ | |
282 | ? PT - start_point : 0), \ | |
6ddd6eee RS |
283 | old_point_byte + (old_point_byte >= start_point_byte \ |
284 | ? PT_BYTE - start_point_byte : 0)); \ | |
8a2ab0c6 | 285 | if (old != current_buffer) \ |
0f25ecc6 | 286 | set_buffer_internal (old); |
38010d50 JB |
287 | |
288 | #define PRINTCHAR(ch) printchar (ch, printcharfun) | |
289 | ||
08e8d297 RS |
290 | /* This is used to restore the saved contents of print_buffer |
291 | when there is a recursive call to print. */ | |
0788646c | 292 | |
08e8d297 RS |
293 | static Lisp_Object |
294 | print_unwind (saved_text) | |
295 | Lisp_Object saved_text; | |
296 | { | |
d5db4077 | 297 | bcopy (SDATA (saved_text), print_buffer, SCHARS (saved_text)); |
ee5263af | 298 | return Qnil; |
08e8d297 RS |
299 | } |
300 | ||
0788646c GM |
301 | |
302 | /* Print character CH using method FUN. FUN nil means print to | |
303 | print_buffer. FUN t means print to echo area or stdout if | |
304 | non-interactive. If FUN is neither nil nor t, call FUN with CH as | |
305 | argument. */ | |
38010d50 JB |
306 | |
307 | static void | |
308 | printchar (ch, fun) | |
087e3c46 | 309 | unsigned int ch; |
38010d50 JB |
310 | Lisp_Object fun; |
311 | { | |
38010d50 JB |
312 | #ifdef MAX_PRINT_CHARS |
313 | if (max_print) | |
314 | print_chars++; | |
315 | #endif /* MAX_PRINT_CHARS */ | |
38010d50 | 316 | |
0788646c GM |
317 | if (!NILP (fun) && !EQ (fun, Qt)) |
318 | call1 (fun, make_number (ch)); | |
319 | else | |
38010d50 | 320 | { |
19a86a03 KH |
321 | unsigned char str[MAX_MULTIBYTE_LENGTH]; |
322 | int len = CHAR_STRING (ch, str); | |
323 | ||
09eddb56 | 324 | QUIT; |
177c0ea7 | 325 | |
0788646c | 326 | if (NILP (fun)) |
9a4d01d8 | 327 | { |
0788646c GM |
328 | if (print_buffer_pos_byte + len >= print_buffer_size) |
329 | print_buffer = (char *) xrealloc (print_buffer, | |
330 | print_buffer_size *= 2); | |
331 | bcopy (str, print_buffer + print_buffer_pos_byte, len); | |
332 | print_buffer_pos += 1; | |
333 | print_buffer_pos_byte += len; | |
9a4d01d8 | 334 | } |
0788646c | 335 | else if (noninteractive) |
1134b854 | 336 | { |
0788646c GM |
337 | fwrite (str, 1, len, stdout); |
338 | noninteractive_need_newline = 1; | |
1134b854 | 339 | } |
0788646c | 340 | else |
d366d2e4 | 341 | { |
0788646c GM |
342 | int multibyte_p |
343 | = !NILP (current_buffer->enable_multibyte_characters); | |
177c0ea7 | 344 | |
eb7b678b | 345 | setup_echo_area_for_printing (multibyte_p); |
0788646c GM |
346 | insert_char (ch); |
347 | message_dolog (str, len, 0, multibyte_p); | |
d366d2e4 | 348 | } |
38010d50 | 349 | } |
38010d50 JB |
350 | } |
351 | ||
0788646c GM |
352 | |
353 | /* Output SIZE characters, SIZE_BYTE bytes from string PTR using | |
354 | method PRINTCHARFUN. If SIZE < 0, use the string length of PTR for | |
355 | both SIZE and SIZE_BYTE. PRINTCHARFUN nil means output to | |
356 | print_buffer. PRINTCHARFUN t means output to the echo area or to | |
357 | stdout if non-interactive. If neither nil nor t, call Lisp | |
358 | function PRINTCHARFUN for each character printed. MULTIBYTE | |
359 | non-zero means PTR contains multibyte characters. */ | |
360 | ||
38010d50 | 361 | static void |
dc2a0b79 | 362 | strout (ptr, size, size_byte, printcharfun, multibyte) |
38010d50 | 363 | char *ptr; |
dc2a0b79 | 364 | int size, size_byte; |
38010d50 | 365 | Lisp_Object printcharfun; |
dc2a0b79 | 366 | int multibyte; |
38010d50 | 367 | { |
087e3c46 | 368 | if (size < 0) |
dc2a0b79 | 369 | size_byte = size = strlen (ptr); |
087e3c46 | 370 | |
0788646c | 371 | if (NILP (printcharfun)) |
38010d50 | 372 | { |
dc2a0b79 | 373 | if (print_buffer_pos_byte + size_byte > print_buffer_size) |
6fec5601 | 374 | { |
dc2a0b79 | 375 | print_buffer_size = print_buffer_size * 2 + size_byte; |
6fec5601 RS |
376 | print_buffer = (char *) xrealloc (print_buffer, |
377 | print_buffer_size); | |
378 | } | |
dc2a0b79 | 379 | bcopy (ptr, print_buffer + print_buffer_pos_byte, size_byte); |
6fec5601 | 380 | print_buffer_pos += size; |
dc2a0b79 | 381 | print_buffer_pos_byte += size_byte; |
6fec5601 | 382 | |
38010d50 JB |
383 | #ifdef MAX_PRINT_CHARS |
384 | if (max_print) | |
6fec5601 | 385 | print_chars += size; |
38010d50 | 386 | #endif /* MAX_PRINT_CHARS */ |
38010d50 | 387 | } |
7b0cb8a0 | 388 | else if (noninteractive && EQ (printcharfun, Qt)) |
38010d50 | 389 | { |
0788646c GM |
390 | fwrite (ptr, 1, size_byte, stdout); |
391 | noninteractive_need_newline = 1; | |
392 | } | |
393 | else if (EQ (printcharfun, Qt)) | |
394 | { | |
395 | /* Output to echo area. We're trying to avoid a little overhead | |
396 | here, that's the reason we don't call printchar to do the | |
397 | job. */ | |
398 | int i; | |
399 | int multibyte_p | |
400 | = !NILP (current_buffer->enable_multibyte_characters); | |
177c0ea7 | 401 | |
eb7b678b | 402 | setup_echo_area_for_printing (multibyte_p); |
0788646c | 403 | message_dolog (ptr, size_byte, 0, multibyte_p); |
177c0ea7 | 404 | |
0788646c | 405 | if (size == size_byte) |
38010d50 | 406 | { |
0788646c | 407 | for (i = 0; i < size; ++i) |
ada329e6 | 408 | insert_char ((unsigned char )*ptr++); |
38010d50 | 409 | } |
0788646c | 410 | else |
38010d50 | 411 | { |
0788646c GM |
412 | int len; |
413 | for (i = 0; i < size_byte; i += len) | |
aec2b95b | 414 | { |
0788646c GM |
415 | int ch = STRING_CHAR_AND_LENGTH (ptr + i, size_byte - i, len); |
416 | insert_char (ch); | |
aec2b95b | 417 | } |
38010d50 | 418 | } |
177c0ea7 | 419 | |
0788646c GM |
420 | #ifdef MAX_PRINT_CHARS |
421 | if (max_print) | |
422 | print_chars += size; | |
423 | #endif /* MAX_PRINT_CHARS */ | |
424 | } | |
425 | else | |
426 | { | |
427 | /* PRINTCHARFUN is a Lisp function. */ | |
428 | int i = 0; | |
38010d50 | 429 | |
0788646c | 430 | if (size == size_byte) |
4ad8bb20 | 431 | { |
0788646c | 432 | while (i < size_byte) |
4ad8bb20 | 433 | { |
0788646c GM |
434 | int ch = ptr[i++]; |
435 | PRINTCHAR (ch); | |
4ad8bb20 | 436 | } |
4ad8bb20 | 437 | } |
0788646c | 438 | else |
087e3c46 | 439 | { |
0788646c GM |
440 | while (i < size_byte) |
441 | { | |
442 | /* Here, we must convert each multi-byte form to the | |
443 | corresponding character code before handing it to | |
444 | PRINTCHAR. */ | |
445 | int len; | |
446 | int ch = STRING_CHAR_AND_LENGTH (ptr + i, size_byte - i, len); | |
447 | PRINTCHAR (ch); | |
448 | i += len; | |
449 | } | |
087e3c46 | 450 | } |
38010d50 | 451 | } |
38010d50 JB |
452 | } |
453 | ||
454 | /* Print the contents of a string STRING using PRINTCHARFUN. | |
ed2c35ef RS |
455 | It isn't safe to use strout in many cases, |
456 | because printing one char can relocate. */ | |
38010d50 | 457 | |
dc2a0b79 | 458 | static void |
38010d50 JB |
459 | print_string (string, printcharfun) |
460 | Lisp_Object string; | |
461 | Lisp_Object printcharfun; | |
462 | { | |
6fec5601 | 463 | if (EQ (printcharfun, Qt) || NILP (printcharfun)) |
375fcc09 KH |
464 | { |
465 | int chars; | |
466 | ||
467 | if (STRING_MULTIBYTE (string)) | |
d5db4077 | 468 | chars = SCHARS (string); |
375fcc09 KH |
469 | else if (EQ (printcharfun, Qt) |
470 | ? ! NILP (buffer_defaults.enable_multibyte_characters) | |
471 | : ! NILP (current_buffer->enable_multibyte_characters)) | |
a76ef35d KH |
472 | { |
473 | /* If unibyte string STRING contains 8-bit codes, we must | |
474 | convert STRING to a multibyte string containing the same | |
475 | character codes. */ | |
476 | Lisp_Object newstr; | |
477 | int bytes; | |
478 | ||
d5db4077 KR |
479 | chars = SBYTES (string); |
480 | bytes = parse_str_to_multibyte (SDATA (string), chars); | |
a76ef35d KH |
481 | if (chars < bytes) |
482 | { | |
483 | newstr = make_uninit_multibyte_string (chars, bytes); | |
d5db4077 KR |
484 | bcopy (SDATA (string), SDATA (newstr), chars); |
485 | str_to_multibyte (SDATA (newstr), bytes, chars); | |
a76ef35d KH |
486 | string = newstr; |
487 | } | |
488 | } | |
375fcc09 | 489 | else |
d5db4077 | 490 | chars = SBYTES (string); |
375fcc09 KH |
491 | |
492 | /* strout is safe for output to a frame (echo area) or to print_buffer. */ | |
d5db4077 KR |
493 | strout (SDATA (string), |
494 | chars, SBYTES (string), | |
375fcc09 KH |
495 | printcharfun, STRING_MULTIBYTE (string)); |
496 | } | |
38010d50 JB |
497 | else |
498 | { | |
dc2a0b79 RS |
499 | /* Otherwise, string may be relocated by printing one char. |
500 | So re-fetch the string address for each character. */ | |
38010d50 | 501 | int i; |
d5db4077 KR |
502 | int size = SCHARS (string); |
503 | int size_byte = SBYTES (string); | |
38010d50 JB |
504 | struct gcpro gcpro1; |
505 | GCPRO1 (string); | |
dc2a0b79 RS |
506 | if (size == size_byte) |
507 | for (i = 0; i < size; i++) | |
d5db4077 | 508 | PRINTCHAR (SREF (string, i)); |
dc2a0b79 | 509 | else |
1661e56b | 510 | for (i = 0; i < size_byte; ) |
dc2a0b79 RS |
511 | { |
512 | /* Here, we must convert each multi-byte form to the | |
513 | corresponding character code before handing it to PRINTCHAR. */ | |
514 | int len; | |
d5db4077 | 515 | int ch = STRING_CHAR_AND_LENGTH (SDATA (string) + i, |
765fe1d0 | 516 | size_byte - i, len); |
da1ad4e7 KH |
517 | if (!CHAR_VALID_P (ch, 0)) |
518 | { | |
d5db4077 | 519 | ch = SREF (string, i); |
da1ad4e7 KH |
520 | len = 1; |
521 | } | |
dc2a0b79 RS |
522 | PRINTCHAR (ch); |
523 | i += len; | |
524 | } | |
38010d50 JB |
525 | UNGCPRO; |
526 | } | |
527 | } | |
528 | \f | |
529 | DEFUN ("write-char", Fwrite_char, Swrite_char, 1, 2, 0, | |
8c1a1077 PJ |
530 | doc: /* Output character CHARACTER to stream PRINTCHARFUN. |
531 | PRINTCHARFUN defaults to the value of `standard-output' (which see). */) | |
532 | (character, printcharfun) | |
3738a371 | 533 | Lisp_Object character, printcharfun; |
38010d50 | 534 | { |
081e0581 | 535 | PRINTDECLARE; |
38010d50 | 536 | |
10eebdbb | 537 | if (NILP (printcharfun)) |
38010d50 | 538 | printcharfun = Vstandard_output; |
b7826503 | 539 | CHECK_NUMBER (character); |
38010d50 | 540 | PRINTPREPARE; |
3738a371 | 541 | PRINTCHAR (XINT (character)); |
38010d50 | 542 | PRINTFINISH; |
3738a371 | 543 | return character; |
38010d50 JB |
544 | } |
545 | ||
dc2a0b79 RS |
546 | /* Used from outside of print.c to print a block of SIZE |
547 | single-byte chars at DATA on the default output stream. | |
38010d50 JB |
548 | Do not use this on the contents of a Lisp string. */ |
549 | ||
dc22f25e | 550 | void |
38010d50 JB |
551 | write_string (data, size) |
552 | char *data; | |
553 | int size; | |
554 | { | |
081e0581 | 555 | PRINTDECLARE; |
38010d50 | 556 | Lisp_Object printcharfun; |
38010d50 JB |
557 | |
558 | printcharfun = Vstandard_output; | |
559 | ||
560 | PRINTPREPARE; | |
dc2a0b79 | 561 | strout (data, size, size, printcharfun, 0); |
38010d50 JB |
562 | PRINTFINISH; |
563 | } | |
564 | ||
dc2a0b79 RS |
565 | /* Used from outside of print.c to print a block of SIZE |
566 | single-byte chars at DATA on a specified stream PRINTCHARFUN. | |
38010d50 JB |
567 | Do not use this on the contents of a Lisp string. */ |
568 | ||
dc22f25e | 569 | void |
38010d50 JB |
570 | write_string_1 (data, size, printcharfun) |
571 | char *data; | |
572 | int size; | |
573 | Lisp_Object printcharfun; | |
574 | { | |
081e0581 | 575 | PRINTDECLARE; |
38010d50 JB |
576 | |
577 | PRINTPREPARE; | |
dc2a0b79 | 578 | strout (data, size, size, printcharfun, 0); |
38010d50 JB |
579 | PRINTFINISH; |
580 | } | |
581 | ||
582 | ||
38010d50 JB |
583 | void |
584 | temp_output_buffer_setup (bufname) | |
3f7e390a | 585 | const char *bufname; |
38010d50 | 586 | { |
aed13378 | 587 | int count = SPECPDL_INDEX (); |
38010d50 JB |
588 | register struct buffer *old = current_buffer; |
589 | register Lisp_Object buf; | |
590 | ||
d9c21094 RS |
591 | record_unwind_protect (set_buffer_if_live, Fcurrent_buffer ()); |
592 | ||
38010d50 JB |
593 | Fset_buffer (Fget_buffer_create (build_string (bufname))); |
594 | ||
9756ea0f | 595 | Fkill_all_local_variables (); |
fd531951 | 596 | delete_all_overlays (current_buffer); |
2a1c968a | 597 | current_buffer->directory = old->directory; |
38010d50 | 598 | current_buffer->read_only = Qnil; |
c5c6d57c KH |
599 | current_buffer->filename = Qnil; |
600 | current_buffer->undo_list = Qt; | |
b3f6010e SM |
601 | eassert (current_buffer->overlays_before == NULL); |
602 | eassert (current_buffer->overlays_after == NULL); | |
c5c6d57c KH |
603 | current_buffer->enable_multibyte_characters |
604 | = buffer_defaults.enable_multibyte_characters; | |
38010d50 | 605 | Ferase_buffer (); |
633307b5 | 606 | XSETBUFFER (buf, current_buffer); |
38010d50 | 607 | |
98040cf1 | 608 | Frun_hooks (1, &Qtemp_buffer_setup_hook); |
d9c21094 RS |
609 | |
610 | unbind_to (count, Qnil); | |
611 | ||
612 | specbind (Qstandard_output, buf); | |
38010d50 JB |
613 | } |
614 | ||
615 | Lisp_Object | |
616 | internal_with_output_to_temp_buffer (bufname, function, args) | |
3f7e390a | 617 | const char *bufname; |
dfcf069d | 618 | Lisp_Object (*function) P_ ((Lisp_Object)); |
38010d50 JB |
619 | Lisp_Object args; |
620 | { | |
aed13378 | 621 | int count = SPECPDL_INDEX (); |
38010d50 | 622 | Lisp_Object buf, val; |
0ab39c81 | 623 | struct gcpro gcpro1; |
38010d50 | 624 | |
0ab39c81 | 625 | GCPRO1 (args); |
38010d50 JB |
626 | record_unwind_protect (Fset_buffer, Fcurrent_buffer ()); |
627 | temp_output_buffer_setup (bufname); | |
628 | buf = Vstandard_output; | |
0ab39c81 | 629 | UNGCPRO; |
38010d50 JB |
630 | |
631 | val = (*function) (args); | |
632 | ||
0ab39c81 | 633 | GCPRO1 (val); |
38010d50 | 634 | temp_output_buffer_show (buf); |
0ab39c81 | 635 | UNGCPRO; |
38010d50 JB |
636 | |
637 | return unbind_to (count, val); | |
638 | } | |
639 | ||
ab9ffd19 MB |
640 | DEFUN ("with-output-to-temp-buffer", |
641 | Fwith_output_to_temp_buffer, Swith_output_to_temp_buffer, | |
38010d50 | 642 | 1, UNEVALLED, 0, |
8c1a1077 PJ |
643 | doc: /* Bind `standard-output' to buffer BUFNAME, eval BODY, then show that buffer. |
644 | The buffer is cleared out initially, and marked as unmodified when done. | |
645 | All output done by BODY is inserted in that buffer by default. | |
646 | The buffer is displayed in another window, but not selected. | |
647 | The value of the last form in BODY is returned. | |
648 | If BODY does not finish normally, the buffer BUFNAME is not displayed. | |
649 | ||
650 | The hook `temp-buffer-setup-hook' is run before BODY, | |
651 | with the buffer BUFNAME temporarily current. | |
652 | The hook `temp-buffer-show-hook' is run after the buffer is displayed, | |
653 | with the buffer temporarily current, and the window that was used | |
654 | to display it temporarily selected. | |
655 | ||
656 | If variable `temp-buffer-show-function' is non-nil, call it at the end | |
657 | to get the buffer displayed instead of just displaying the non-selected | |
177c0ea7 | 658 | buffer and calling the hook. It gets one argument, the buffer to display. |
ab9ffd19 MB |
659 | |
660 | usage: (with-output-to-temp-buffer BUFFNAME BODY ...) */) | |
8c1a1077 | 661 | (args) |
38010d50 JB |
662 | Lisp_Object args; |
663 | { | |
664 | struct gcpro gcpro1; | |
665 | Lisp_Object name; | |
aed13378 | 666 | int count = SPECPDL_INDEX (); |
38010d50 JB |
667 | Lisp_Object buf, val; |
668 | ||
669 | GCPRO1(args); | |
670 | name = Feval (Fcar (args)); | |
b7826503 | 671 | CHECK_STRING (name); |
d5db4077 | 672 | temp_output_buffer_setup (SDATA (name)); |
38010d50 | 673 | buf = Vstandard_output; |
8bbfc258 | 674 | UNGCPRO; |
38010d50 | 675 | |
8bbfc258 | 676 | val = Fprogn (XCDR (args)); |
38010d50 | 677 | |
8bbfc258 | 678 | GCPRO1 (val); |
38010d50 | 679 | temp_output_buffer_show (buf); |
8bbfc258 | 680 | UNGCPRO; |
38010d50 JB |
681 | |
682 | return unbind_to (count, val); | |
683 | } | |
0788646c | 684 | |
38010d50 JB |
685 | \f |
686 | static void print (); | |
0f25ecc6 | 687 | static void print_preprocess (); |
0f25ecc6 | 688 | static void print_preprocess_string (); |
0f25ecc6 | 689 | static void print_object (); |
38010d50 JB |
690 | |
691 | DEFUN ("terpri", Fterpri, Sterpri, 0, 1, 0, | |
8c1a1077 PJ |
692 | doc: /* Output a newline to stream PRINTCHARFUN. |
693 | If PRINTCHARFUN is omitted or nil, the value of `standard-output' is used. */) | |
38010d50 JB |
694 | (printcharfun) |
695 | Lisp_Object printcharfun; | |
696 | { | |
081e0581 | 697 | PRINTDECLARE; |
38010d50 | 698 | |
10eebdbb | 699 | if (NILP (printcharfun)) |
38010d50 JB |
700 | printcharfun = Vstandard_output; |
701 | PRINTPREPARE; | |
702 | PRINTCHAR ('\n'); | |
703 | PRINTFINISH; | |
704 | return Qt; | |
705 | } | |
706 | ||
707 | DEFUN ("prin1", Fprin1, Sprin1, 1, 2, 0, | |
8c1a1077 PJ |
708 | doc: /* Output the printed representation of OBJECT, any Lisp object. |
709 | Quoting characters are printed when needed to make output that `read' | |
9474c847 | 710 | can handle, whenever this is possible. For complex objects, the behavior |
7fab9223 | 711 | is controlled by `print-level' and `print-length', which see. |
8c1a1077 PJ |
712 | |
713 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
714 | a list, a buffer, a window, a frame, etc. | |
715 | ||
716 | A printed representation of an object is text which describes that object. | |
717 | ||
718 | Optional argument PRINTCHARFUN is the output stream, which can be one | |
719 | of these: | |
720 | ||
721 | - a buffer, in which case output is inserted into that buffer at point; | |
722 | - a marker, in which case output is inserted at marker's position; | |
723 | - a function, in which case that function is called once for each | |
724 | character of OBJECT's printed representation; | |
725 | - a symbol, in which case that symbol's function definition is called; or | |
726 | - t, in which case the output is displayed in the echo area. | |
727 | ||
728 | If PRINTCHARFUN is omitted, the value of `standard-output' (which see) | |
729 | is used instead. */) | |
730 | (object, printcharfun) | |
3738a371 | 731 | Lisp_Object object, printcharfun; |
38010d50 | 732 | { |
081e0581 | 733 | PRINTDECLARE; |
38010d50 JB |
734 | |
735 | #ifdef MAX_PRINT_CHARS | |
736 | max_print = 0; | |
737 | #endif /* MAX_PRINT_CHARS */ | |
10eebdbb | 738 | if (NILP (printcharfun)) |
38010d50 JB |
739 | printcharfun = Vstandard_output; |
740 | PRINTPREPARE; | |
3738a371 | 741 | print (object, printcharfun, 1); |
38010d50 | 742 | PRINTFINISH; |
3738a371 | 743 | return object; |
38010d50 JB |
744 | } |
745 | ||
746 | /* a buffer which is used to hold output being built by prin1-to-string */ | |
747 | Lisp_Object Vprin1_to_string_buffer; | |
748 | ||
749 | DEFUN ("prin1-to-string", Fprin1_to_string, Sprin1_to_string, 1, 2, 0, | |
fd4d156b RS |
750 | doc: /* Return a string containing the printed representation of OBJECT. |
751 | OBJECT can be any Lisp object. This function outputs quoting characters | |
cf393f9b | 752 | when necessary to make output that `read' can handle, whenever possible, |
fd4d156b | 753 | unless the optional second argument NOESCAPE is non-nil. |
8c1a1077 PJ |
754 | |
755 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
756 | a list, a buffer, a window, a frame, etc. | |
757 | ||
758 | A printed representation of an object is text which describes that object. */) | |
759 | (object, noescape) | |
3738a371 | 760 | Lisp_Object object, noescape; |
38010d50 | 761 | { |
081e0581 | 762 | Lisp_Object printcharfun; |
ca2de342 RS |
763 | /* struct gcpro gcpro1, gcpro2; */ |
764 | Lisp_Object save_deactivate_mark; | |
765 | int count = specpdl_ptr - specpdl; | |
dd418e06 | 766 | struct buffer *previous; |
ca2de342 RS |
767 | |
768 | specbind (Qinhibit_modification_hooks, Qt); | |
2a42e8f6 | 769 | |
dd418e06 RS |
770 | { |
771 | PRINTDECLARE; | |
38010d50 | 772 | |
dd418e06 RS |
773 | /* Save and restore this--we are altering a buffer |
774 | but we don't want to deactivate the mark just for that. | |
775 | No need for specbind, since errors deactivate the mark. */ | |
776 | save_deactivate_mark = Vdeactivate_mark; | |
777 | /* GCPRO2 (object, save_deactivate_mark); */ | |
778 | abort_on_gc++; | |
779 | ||
780 | printcharfun = Vprin1_to_string_buffer; | |
781 | PRINTPREPARE; | |
782 | print (object, printcharfun, NILP (noescape)); | |
783 | /* Make Vprin1_to_string_buffer be the default buffer after PRINTFINSH */ | |
784 | PRINTFINISH; | |
785 | } | |
786 | ||
787 | previous = current_buffer; | |
38010d50 | 788 | set_buffer_internal (XBUFFER (Vprin1_to_string_buffer)); |
3738a371 | 789 | object = Fbuffer_string (); |
b51ee131 SM |
790 | if (SBYTES (object) == SCHARS (object)) |
791 | STRING_SET_UNIBYTE (object); | |
38010d50 | 792 | |
dd418e06 RS |
793 | /* Note that this won't make prepare_to_modify_buffer call |
794 | ask-user-about-supersession-threat because this buffer | |
795 | does not visit a file. */ | |
38010d50 | 796 | Ferase_buffer (); |
dd418e06 | 797 | set_buffer_internal (previous); |
2a42e8f6 | 798 | |
ca2de342 RS |
799 | Vdeactivate_mark = save_deactivate_mark; |
800 | /* UNGCPRO; */ | |
38010d50 | 801 | |
ca2de342 RS |
802 | abort_on_gc--; |
803 | return unbind_to (count, object); | |
38010d50 JB |
804 | } |
805 | ||
806 | DEFUN ("princ", Fprinc, Sprinc, 1, 2, 0, | |
8c1a1077 PJ |
807 | doc: /* Output the printed representation of OBJECT, any Lisp object. |
808 | No quoting characters are used; no delimiters are printed around | |
809 | the contents of strings. | |
810 | ||
811 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
812 | a list, a buffer, a window, a frame, etc. | |
813 | ||
814 | A printed representation of an object is text which describes that object. | |
815 | ||
816 | Optional argument PRINTCHARFUN is the output stream, which can be one | |
817 | of these: | |
818 | ||
819 | - a buffer, in which case output is inserted into that buffer at point; | |
820 | - a marker, in which case output is inserted at marker's position; | |
821 | - a function, in which case that function is called once for each | |
822 | character of OBJECT's printed representation; | |
823 | - a symbol, in which case that symbol's function definition is called; or | |
824 | - t, in which case the output is displayed in the echo area. | |
825 | ||
826 | If PRINTCHARFUN is omitted, the value of `standard-output' (which see) | |
827 | is used instead. */) | |
828 | (object, printcharfun) | |
3738a371 | 829 | Lisp_Object object, printcharfun; |
38010d50 | 830 | { |
081e0581 | 831 | PRINTDECLARE; |
38010d50 | 832 | |
10eebdbb | 833 | if (NILP (printcharfun)) |
38010d50 JB |
834 | printcharfun = Vstandard_output; |
835 | PRINTPREPARE; | |
3738a371 | 836 | print (object, printcharfun, 0); |
38010d50 | 837 | PRINTFINISH; |
3738a371 | 838 | return object; |
38010d50 JB |
839 | } |
840 | ||
841 | DEFUN ("print", Fprint, Sprint, 1, 2, 0, | |
8c1a1077 PJ |
842 | doc: /* Output the printed representation of OBJECT, with newlines around it. |
843 | Quoting characters are printed when needed to make output that `read' | |
9474c847 | 844 | can handle, whenever this is possible. For complex objects, the behavior |
7fab9223 | 845 | is controlled by `print-level' and `print-length', which see. |
8c1a1077 PJ |
846 | |
847 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
848 | a list, a buffer, a window, a frame, etc. | |
849 | ||
850 | A printed representation of an object is text which describes that object. | |
851 | ||
852 | Optional argument PRINTCHARFUN is the output stream, which can be one | |
853 | of these: | |
854 | ||
855 | - a buffer, in which case output is inserted into that buffer at point; | |
856 | - a marker, in which case output is inserted at marker's position; | |
857 | - a function, in which case that function is called once for each | |
858 | character of OBJECT's printed representation; | |
859 | - a symbol, in which case that symbol's function definition is called; or | |
860 | - t, in which case the output is displayed in the echo area. | |
861 | ||
862 | If PRINTCHARFUN is omitted, the value of `standard-output' (which see) | |
863 | is used instead. */) | |
864 | (object, printcharfun) | |
3738a371 | 865 | Lisp_Object object, printcharfun; |
38010d50 | 866 | { |
081e0581 | 867 | PRINTDECLARE; |
38010d50 JB |
868 | struct gcpro gcpro1; |
869 | ||
870 | #ifdef MAX_PRINT_CHARS | |
871 | print_chars = 0; | |
872 | max_print = MAX_PRINT_CHARS; | |
873 | #endif /* MAX_PRINT_CHARS */ | |
10eebdbb | 874 | if (NILP (printcharfun)) |
38010d50 | 875 | printcharfun = Vstandard_output; |
3738a371 | 876 | GCPRO1 (object); |
38010d50 | 877 | PRINTPREPARE; |
38010d50 | 878 | PRINTCHAR ('\n'); |
3738a371 | 879 | print (object, printcharfun, 1); |
38010d50 JB |
880 | PRINTCHAR ('\n'); |
881 | PRINTFINISH; | |
882 | #ifdef MAX_PRINT_CHARS | |
883 | max_print = 0; | |
884 | print_chars = 0; | |
885 | #endif /* MAX_PRINT_CHARS */ | |
886 | UNGCPRO; | |
3738a371 | 887 | return object; |
38010d50 JB |
888 | } |
889 | ||
890 | /* The subroutine object for external-debugging-output is kept here | |
891 | for the convenience of the debugger. */ | |
892 | Lisp_Object Qexternal_debugging_output; | |
893 | ||
4746118a | 894 | DEFUN ("external-debugging-output", Fexternal_debugging_output, Sexternal_debugging_output, 1, 1, 0, |
8c1a1077 PJ |
895 | doc: /* Write CHARACTER to stderr. |
896 | You can call print while debugging emacs, and pass it this function | |
897 | to make it write to the debugging output. */) | |
898 | (character) | |
4746118a | 899 | Lisp_Object character; |
38010d50 | 900 | { |
b7826503 | 901 | CHECK_NUMBER (character); |
38010d50 | 902 | putc (XINT (character), stderr); |
cd22039d RS |
903 | |
904 | #ifdef WINDOWSNT | |
905 | /* Send the output to a debugger (nothing happens if there isn't one). */ | |
906 | { | |
907 | char buf[2] = {(char) XINT (character), '\0'}; | |
908 | OutputDebugString (buf); | |
909 | } | |
910 | #endif | |
911 | ||
38010d50 JB |
912 | return character; |
913 | } | |
cf1bb91b | 914 | |
95e52d88 KS |
915 | |
916 | #if defined(GNU_LINUX) | |
917 | ||
918 | /* This functionality is not vitally important in general, so we rely on | |
919 | non-portable ability to use stderr as lvalue. */ | |
920 | ||
921 | #define WITH_REDIRECT_DEBUGGING_OUTPUT 1 | |
922 | ||
6a1ff3ba KS |
923 | FILE *initial_stderr_stream = NULL; |
924 | ||
925 | DEFUN ("redirect-debugging-output", Fredirect_debugging_output, Sredirect_debugging_output, | |
926 | 1, 2, | |
927 | "FDebug output file: \nP", | |
928 | doc: /* Redirect debugging output (stderr stream) to file FILE. | |
929 | If FILE is nil, reset target to the initial stderr stream. | |
930 | Optional arg APPEND non-nil (interactively, with prefix arg) means | |
931 | append to existing target file. */) | |
932 | (file, append) | |
933 | Lisp_Object file, append; | |
934 | { | |
935 | if (initial_stderr_stream != NULL) | |
936 | fclose(stderr); | |
937 | stderr = initial_stderr_stream; | |
938 | initial_stderr_stream = NULL; | |
939 | ||
940 | if (STRINGP (file)) | |
941 | { | |
942 | file = Fexpand_file_name (file, Qnil); | |
943 | initial_stderr_stream = stderr; | |
944 | stderr = fopen(SDATA (file), NILP (append) ? "w" : "a"); | |
945 | if (stderr == NULL) | |
946 | { | |
947 | stderr = initial_stderr_stream; | |
948 | initial_stderr_stream = NULL; | |
949 | report_file_error ("Cannot open debugging output stream", | |
950 | Fcons (file, Qnil)); | |
951 | } | |
952 | } | |
953 | return Qnil; | |
954 | } | |
95e52d88 KS |
955 | #endif /* GNU_LINUX */ |
956 | ||
6a1ff3ba | 957 | |
cf1bb91b RS |
958 | /* This is the interface for debugging printing. */ |
959 | ||
960 | void | |
961 | debug_print (arg) | |
962 | Lisp_Object arg; | |
963 | { | |
964 | Fprin1 (arg, Qexternal_debugging_output); | |
3684eb78 | 965 | fprintf (stderr, "\r\n"); |
cf1bb91b | 966 | } |
38010d50 | 967 | \f |
113620cc KH |
968 | DEFUN ("error-message-string", Ferror_message_string, Serror_message_string, |
969 | 1, 1, 0, | |
8c1a1077 PJ |
970 | doc: /* Convert an error value (ERROR-SYMBOL . DATA) to an error message. */) |
971 | (obj) | |
113620cc KH |
972 | Lisp_Object obj; |
973 | { | |
974 | struct buffer *old = current_buffer; | |
63fbf4ff | 975 | Lisp_Object value; |
113620cc KH |
976 | struct gcpro gcpro1; |
977 | ||
0872e11f RS |
978 | /* If OBJ is (error STRING), just return STRING. |
979 | That is not only faster, it also avoids the need to allocate | |
980 | space here when the error is due to memory full. */ | |
94b342ce KR |
981 | if (CONSP (obj) && EQ (XCAR (obj), Qerror) |
982 | && CONSP (XCDR (obj)) | |
983 | && STRINGP (XCAR (XCDR (obj))) | |
984 | && NILP (XCDR (XCDR (obj)))) | |
985 | return XCAR (XCDR (obj)); | |
0872e11f | 986 | |
240e806c | 987 | print_error_message (obj, Vprin1_to_string_buffer, 0, Qnil); |
113620cc KH |
988 | |
989 | set_buffer_internal (XBUFFER (Vprin1_to_string_buffer)); | |
990 | value = Fbuffer_string (); | |
991 | ||
992 | GCPRO1 (value); | |
993 | Ferase_buffer (); | |
994 | set_buffer_internal (old); | |
995 | UNGCPRO; | |
996 | ||
997 | return value; | |
998 | } | |
999 | ||
c02279de GM |
1000 | /* Print an error message for the error DATA onto Lisp output stream |
1001 | STREAM (suitable for the print functions). */ | |
113620cc | 1002 | |
dc22f25e | 1003 | void |
240e806c | 1004 | print_error_message (data, stream, context, caller) |
113620cc | 1005 | Lisp_Object data, stream; |
240e806c RS |
1006 | char *context; |
1007 | Lisp_Object caller; | |
113620cc KH |
1008 | { |
1009 | Lisp_Object errname, errmsg, file_error, tail; | |
1010 | struct gcpro gcpro1; | |
1011 | int i; | |
1012 | ||
240e806c RS |
1013 | if (context != 0) |
1014 | write_string_1 (context, -1, stream); | |
1015 | ||
1016 | /* If we know from where the error was signaled, show it in | |
1017 | *Messages*. */ | |
1018 | if (!NILP (caller) && SYMBOLP (caller)) | |
1019 | { | |
1020 | const char *name = SDATA (SYMBOL_NAME (caller)); | |
1021 | message_dolog (name, strlen (name), 0, 0); | |
1022 | message_dolog (": ", 2, 0, 0); | |
1023 | } | |
1024 | ||
113620cc KH |
1025 | errname = Fcar (data); |
1026 | ||
1027 | if (EQ (errname, Qerror)) | |
1028 | { | |
1029 | data = Fcdr (data); | |
c02279de GM |
1030 | if (!CONSP (data)) |
1031 | data = Qnil; | |
113620cc KH |
1032 | errmsg = Fcar (data); |
1033 | file_error = Qnil; | |
1034 | } | |
1035 | else | |
1036 | { | |
c02279de | 1037 | Lisp_Object error_conditions; |
113620cc | 1038 | errmsg = Fget (errname, Qerror_message); |
c02279de GM |
1039 | error_conditions = Fget (errname, Qerror_conditions); |
1040 | file_error = Fmemq (Qfile_error, error_conditions); | |
113620cc KH |
1041 | } |
1042 | ||
1043 | /* Print an error message including the data items. */ | |
1044 | ||
1045 | tail = Fcdr_safe (data); | |
1046 | GCPRO1 (tail); | |
1047 | ||
1048 | /* For file-error, make error message by concatenating | |
1049 | all the data items. They are all strings. */ | |
8c29413d | 1050 | if (!NILP (file_error) && CONSP (tail)) |
94b342ce | 1051 | errmsg = XCAR (tail), tail = XCDR (tail); |
113620cc KH |
1052 | |
1053 | if (STRINGP (errmsg)) | |
1054 | Fprinc (errmsg, stream); | |
1055 | else | |
1056 | write_string_1 ("peculiar error", -1, stream); | |
1057 | ||
c02279de | 1058 | for (i = 0; CONSP (tail); tail = XCDR (tail), i++) |
113620cc | 1059 | { |
c02279de GM |
1060 | Lisp_Object obj; |
1061 | ||
113620cc | 1062 | write_string_1 (i ? ", " : ": ", 2, stream); |
c02279de GM |
1063 | obj = XCAR (tail); |
1064 | if (!NILP (file_error) || EQ (errname, Qend_of_file)) | |
1065 | Fprinc (obj, stream); | |
113620cc | 1066 | else |
c02279de | 1067 | Fprin1 (obj, stream); |
113620cc | 1068 | } |
177c0ea7 | 1069 | |
113620cc KH |
1070 | UNGCPRO; |
1071 | } | |
38010d50 | 1072 | |
c02279de GM |
1073 | |
1074 | \f | |
38010d50 | 1075 | /* |
edb2a707 | 1076 | * The buffer should be at least as large as the max string size of the |
8e6208c5 | 1077 | * largest float, printed in the biggest notation. This is undoubtedly |
38010d50 JB |
1078 | * 20d float_output_format, with the negative of the C-constant "HUGE" |
1079 | * from <math.h>. | |
177c0ea7 | 1080 | * |
38010d50 | 1081 | * On the vax the worst case is -1e38 in 20d format which takes 61 bytes. |
177c0ea7 | 1082 | * |
38010d50 JB |
1083 | * I assume that IEEE-754 format numbers can take 329 bytes for the worst |
1084 | * case of -1e307 in 20d float_output_format. What is one to do (short of | |
1085 | * re-writing _doprnt to be more sane)? | |
1086 | * -wsr | |
1087 | */ | |
edb2a707 RS |
1088 | |
1089 | void | |
1090 | float_to_string (buf, data) | |
8b24d146 | 1091 | unsigned char *buf; |
38010d50 JB |
1092 | double data; |
1093 | { | |
c7b14277 | 1094 | unsigned char *cp; |
322890c4 | 1095 | int width; |
177c0ea7 | 1096 | |
7f45de2d RS |
1097 | /* Check for plus infinity in a way that won't lose |
1098 | if there is no plus infinity. */ | |
1099 | if (data == data / 2 && data > 1.0) | |
1100 | { | |
1101 | strcpy (buf, "1.0e+INF"); | |
1102 | return; | |
1103 | } | |
1104 | /* Likewise for minus infinity. */ | |
1105 | if (data == data / 2 && data < -1.0) | |
1106 | { | |
1107 | strcpy (buf, "-1.0e+INF"); | |
1108 | return; | |
1109 | } | |
1110 | /* Check for NaN in a way that won't fail if there are no NaNs. */ | |
1111 | if (! (data * 0.0 >= 0.0)) | |
1112 | { | |
68c45bf0 PE |
1113 | /* Prepend "-" if the NaN's sign bit is negative. |
1114 | The sign bit of a double is the bit that is 1 in -0.0. */ | |
1115 | int i; | |
1116 | union { double d; char c[sizeof (double)]; } u_data, u_minus_zero; | |
1117 | u_data.d = data; | |
1118 | u_minus_zero.d = - 0.0; | |
1119 | for (i = 0; i < sizeof (double); i++) | |
1120 | if (u_data.c[i] & u_minus_zero.c[i]) | |
1121 | { | |
1122 | *buf++ = '-'; | |
1123 | break; | |
1124 | } | |
177c0ea7 | 1125 | |
7f45de2d RS |
1126 | strcpy (buf, "0.0e+NaN"); |
1127 | return; | |
1128 | } | |
1129 | ||
10eebdbb | 1130 | if (NILP (Vfloat_output_format) |
d4ae1f7e | 1131 | || !STRINGP (Vfloat_output_format)) |
38010d50 | 1132 | lose: |
322890c4 | 1133 | { |
f356c3fb PE |
1134 | /* Generate the fewest number of digits that represent the |
1135 | floating point value without losing information. | |
1136 | The following method is simple but a bit slow. | |
1137 | For ideas about speeding things up, please see: | |
1138 | ||
1139 | Guy L Steele Jr & Jon L White, How to print floating-point numbers | |
1140 | accurately. SIGPLAN notices 25, 6 (June 1990), 112-126. | |
1141 | ||
1142 | Robert G Burger & R Kent Dybvig, Printing floating point numbers | |
1143 | quickly and accurately, SIGPLAN notices 31, 5 (May 1996), 108-116. */ | |
1144 | ||
1145 | width = fabs (data) < DBL_MIN ? 1 : DBL_DIG; | |
1146 | do | |
1147 | sprintf (buf, "%.*g", width, data); | |
1148 | while (width++ < DOUBLE_DIGITS_BOUND && atof (buf) != data); | |
322890c4 | 1149 | } |
38010d50 JB |
1150 | else /* oink oink */ |
1151 | { | |
1152 | /* Check that the spec we have is fully valid. | |
1153 | This means not only valid for printf, | |
1154 | but meant for floats, and reasonable. */ | |
d5db4077 | 1155 | cp = SDATA (Vfloat_output_format); |
38010d50 JB |
1156 | |
1157 | if (cp[0] != '%') | |
1158 | goto lose; | |
1159 | if (cp[1] != '.') | |
1160 | goto lose; | |
1161 | ||
1162 | cp += 2; | |
c7b14277 JB |
1163 | |
1164 | /* Check the width specification. */ | |
322890c4 | 1165 | width = -1; |
c7b14277 | 1166 | if ('0' <= *cp && *cp <= '9') |
381cd4bb KH |
1167 | { |
1168 | width = 0; | |
1169 | do | |
1170 | width = (width * 10) + (*cp++ - '0'); | |
1171 | while (*cp >= '0' && *cp <= '9'); | |
1172 | ||
1173 | /* A precision of zero is valid only for %f. */ | |
1174 | if (width > DBL_DIG | |
1175 | || (width == 0 && *cp != 'f')) | |
1176 | goto lose; | |
1177 | } | |
38010d50 JB |
1178 | |
1179 | if (*cp != 'e' && *cp != 'f' && *cp != 'g') | |
1180 | goto lose; | |
1181 | ||
38010d50 JB |
1182 | if (cp[1] != 0) |
1183 | goto lose; | |
1184 | ||
d5db4077 | 1185 | sprintf (buf, SDATA (Vfloat_output_format), data); |
38010d50 | 1186 | } |
edb2a707 | 1187 | |
c7b14277 JB |
1188 | /* Make sure there is a decimal point with digit after, or an |
1189 | exponent, so that the value is readable as a float. But don't do | |
322890c4 RS |
1190 | this with "%.0f"; it's valid for that not to produce a decimal |
1191 | point. Note that width can be 0 only for %.0f. */ | |
1192 | if (width != 0) | |
0601fd3d | 1193 | { |
c7b14277 JB |
1194 | for (cp = buf; *cp; cp++) |
1195 | if ((*cp < '0' || *cp > '9') && *cp != '-') | |
1196 | break; | |
0601fd3d | 1197 | |
c7b14277 JB |
1198 | if (*cp == '.' && cp[1] == 0) |
1199 | { | |
1200 | cp[1] = '0'; | |
1201 | cp[2] = 0; | |
1202 | } | |
1203 | ||
1204 | if (*cp == 0) | |
1205 | { | |
1206 | *cp++ = '.'; | |
1207 | *cp++ = '0'; | |
1208 | *cp++ = 0; | |
1209 | } | |
edb2a707 | 1210 | } |
38010d50 | 1211 | } |
cc94f3b2 | 1212 | |
38010d50 JB |
1213 | \f |
1214 | static void | |
1215 | print (obj, printcharfun, escapeflag) | |
38010d50 | 1216 | Lisp_Object obj; |
38010d50 JB |
1217 | register Lisp_Object printcharfun; |
1218 | int escapeflag; | |
1219 | { | |
0f25ecc6 | 1220 | print_depth = 0; |
0330bb60 | 1221 | old_backquote_output = 0; |
38010d50 | 1222 | |
0f25ecc6 RS |
1223 | /* Reset print_number_index and Vprint_number_table only when |
1224 | the variable Vprint_continuous_numbering is nil. Otherwise, | |
1225 | the values of these variables will be kept between several | |
1226 | print functions. */ | |
1227 | if (NILP (Vprint_continuous_numbering)) | |
1228 | { | |
1229 | print_number_index = 0; | |
1230 | Vprint_number_table = Qnil; | |
1231 | } | |
38010d50 | 1232 | |
0f25ecc6 RS |
1233 | /* Construct Vprint_number_table for print-gensym and print-circle. */ |
1234 | if (!NILP (Vprint_gensym) || !NILP (Vprint_circle)) | |
ec838c39 | 1235 | { |
73fb36f1 | 1236 | int i, start, index; |
73fb36f1 | 1237 | start = index = print_number_index; |
e6d4cddd RS |
1238 | /* Construct Vprint_number_table. |
1239 | This increments print_number_index for the objects added. */ | |
0f25ecc6 | 1240 | print_preprocess (obj); |
e6d4cddd | 1241 | |
0f25ecc6 | 1242 | /* Remove unnecessary objects, which appear only once in OBJ; |
e6d4cddd | 1243 | that is, whose status is Qnil. Compactify the necessary objects. */ |
73fb36f1 | 1244 | for (i = start; i < print_number_index; i++) |
0f25ecc6 RS |
1245 | if (!NILP (PRINT_NUMBER_STATUS (Vprint_number_table, i))) |
1246 | { | |
1247 | PRINT_NUMBER_OBJECT (Vprint_number_table, index) | |
1248 | = PRINT_NUMBER_OBJECT (Vprint_number_table, i); | |
0f25ecc6 RS |
1249 | index++; |
1250 | } | |
e6d4cddd RS |
1251 | |
1252 | /* Clear out objects outside the active part of the table. */ | |
1253 | for (i = index; i < print_number_index; i++) | |
1254 | PRINT_NUMBER_OBJECT (Vprint_number_table, i) = Qnil; | |
1255 | ||
1256 | /* Reset the status field for the next print step. Now this | |
1257 | field means whether the object has already been printed. */ | |
1258 | for (i = start; i < print_number_index; i++) | |
1259 | PRINT_NUMBER_STATUS (Vprint_number_table, i) = Qnil; | |
1260 | ||
0f25ecc6 RS |
1261 | print_number_index = index; |
1262 | } | |
1263 | ||
1264 | print_object (obj, printcharfun, escapeflag); | |
1265 | } | |
1266 | ||
1267 | /* Construct Vprint_number_table according to the structure of OBJ. | |
1268 | OBJ itself and all its elements will be added to Vprint_number_table | |
1269 | recursively if it is a list, vector, compiled function, char-table, | |
1270 | string (its text properties will be traced), or a symbol that has | |
1271 | no obarray (this is for the print-gensym feature). | |
1272 | The status fields of Vprint_number_table mean whether each object appears | |
1273 | more than once in OBJ: Qnil at the first time, and Qt after that . */ | |
1274 | static void | |
1275 | print_preprocess (obj) | |
1276 | Lisp_Object obj; | |
1277 | { | |
1278 | int i, size; | |
1279 | ||
1280 | loop: | |
1281 | if (STRINGP (obj) || CONSP (obj) || VECTORP (obj) | |
1282 | || COMPILEDP (obj) || CHAR_TABLE_P (obj) | |
1283 | || (! NILP (Vprint_gensym) | |
bf9f2aab GM |
1284 | && SYMBOLP (obj) |
1285 | && !SYMBOL_INTERNED_P (obj))) | |
0f25ecc6 | 1286 | { |
aca2020b KH |
1287 | /* In case print-circle is nil and print-gensym is t, |
1288 | add OBJ to Vprint_number_table only when OBJ is a symbol. */ | |
1289 | if (! NILP (Vprint_circle) || SYMBOLP (obj)) | |
0f25ecc6 | 1290 | { |
0f25ecc6 | 1291 | for (i = 0; i < print_number_index; i++) |
7c752c80 | 1292 | if (EQ (PRINT_NUMBER_OBJECT (Vprint_number_table, i), obj)) |
aca2020b KH |
1293 | { |
1294 | /* OBJ appears more than once. Let's remember that. */ | |
1295 | PRINT_NUMBER_STATUS (Vprint_number_table, i) = Qt; | |
1296 | return; | |
1297 | } | |
1298 | ||
1299 | /* OBJ is not yet recorded. Let's add to the table. */ | |
1300 | if (print_number_index == 0) | |
1301 | { | |
1302 | /* Initialize the table. */ | |
1303 | Vprint_number_table = Fmake_vector (make_number (40), Qnil); | |
1304 | } | |
1305 | else if (XVECTOR (Vprint_number_table)->size == print_number_index * 2) | |
0f25ecc6 | 1306 | { |
aca2020b KH |
1307 | /* Reallocate the table. */ |
1308 | int i = print_number_index * 4; | |
1309 | Lisp_Object old_table = Vprint_number_table; | |
1310 | Vprint_number_table = Fmake_vector (make_number (i), Qnil); | |
1311 | for (i = 0; i < print_number_index; i++) | |
1312 | { | |
1313 | PRINT_NUMBER_OBJECT (Vprint_number_table, i) | |
1314 | = PRINT_NUMBER_OBJECT (old_table, i); | |
1315 | PRINT_NUMBER_STATUS (Vprint_number_table, i) | |
1316 | = PRINT_NUMBER_STATUS (old_table, i); | |
1317 | } | |
0f25ecc6 | 1318 | } |
aca2020b KH |
1319 | PRINT_NUMBER_OBJECT (Vprint_number_table, print_number_index) = obj; |
1320 | /* If Vprint_continuous_numbering is non-nil and OBJ is a gensym, | |
1321 | always print the gensym with a number. This is a special for | |
1322 | the lisp function byte-compile-output-docform. */ | |
bf9f2aab GM |
1323 | if (!NILP (Vprint_continuous_numbering) |
1324 | && SYMBOLP (obj) | |
1325 | && !SYMBOL_INTERNED_P (obj)) | |
aca2020b KH |
1326 | PRINT_NUMBER_STATUS (Vprint_number_table, print_number_index) = Qt; |
1327 | print_number_index++; | |
0f25ecc6 | 1328 | } |
0f25ecc6 RS |
1329 | |
1330 | switch (XGCTYPE (obj)) | |
1331 | { | |
1332 | case Lisp_String: | |
0f25ecc6 | 1333 | /* A string may have text properties, which can be circular. */ |
d5db4077 | 1334 | traverse_intervals_noorder (STRING_INTERVALS (obj), |
8bbfc258 | 1335 | print_preprocess_string, Qnil); |
0f25ecc6 RS |
1336 | break; |
1337 | ||
1338 | case Lisp_Cons: | |
1339 | print_preprocess (XCAR (obj)); | |
1340 | obj = XCDR (obj); | |
1341 | goto loop; | |
1342 | ||
1343 | case Lisp_Vectorlike: | |
1344 | size = XVECTOR (obj)->size & PSEUDOVECTOR_SIZE_MASK; | |
1345 | for (i = 0; i < size; i++) | |
1346 | print_preprocess (XVECTOR (obj)->contents[i]); | |
ee5263af GM |
1347 | break; |
1348 | ||
1349 | default: | |
1350 | break; | |
0f25ecc6 RS |
1351 | } |
1352 | } | |
1353 | } | |
1354 | ||
0f25ecc6 RS |
1355 | static void |
1356 | print_preprocess_string (interval, arg) | |
1357 | INTERVAL interval; | |
1358 | Lisp_Object arg; | |
1359 | { | |
1360 | print_preprocess (interval->plist); | |
1361 | } | |
0f25ecc6 RS |
1362 | |
1363 | static void | |
1364 | print_object (obj, printcharfun, escapeflag) | |
1365 | Lisp_Object obj; | |
1366 | register Lisp_Object printcharfun; | |
1367 | int escapeflag; | |
1368 | { | |
1369 | char buf[30]; | |
1370 | ||
1371 | QUIT; | |
1372 | ||
1373 | /* Detect circularities and truncate them. */ | |
1374 | if (STRINGP (obj) || CONSP (obj) || VECTORP (obj) | |
1375 | || COMPILEDP (obj) || CHAR_TABLE_P (obj) | |
1376 | || (! NILP (Vprint_gensym) | |
bf9f2aab GM |
1377 | && SYMBOLP (obj) |
1378 | && !SYMBOL_INTERNED_P (obj))) | |
0f25ecc6 RS |
1379 | { |
1380 | if (NILP (Vprint_circle) && NILP (Vprint_gensym)) | |
1381 | { | |
1382 | /* Simple but incomplete way. */ | |
1383 | int i; | |
1384 | for (i = 0; i < print_depth; i++) | |
1385 | if (EQ (obj, being_printed[i])) | |
1386 | { | |
1387 | sprintf (buf, "#%d", i); | |
1388 | strout (buf, -1, -1, printcharfun, 0); | |
1389 | return; | |
1390 | } | |
1391 | being_printed[print_depth] = obj; | |
1392 | } | |
1393 | else | |
1394 | { | |
1395 | /* With the print-circle feature. */ | |
1396 | int i; | |
1397 | for (i = 0; i < print_number_index; i++) | |
7c752c80 | 1398 | if (EQ (PRINT_NUMBER_OBJECT (Vprint_number_table, i), obj)) |
0f25ecc6 RS |
1399 | { |
1400 | if (NILP (PRINT_NUMBER_STATUS (Vprint_number_table, i))) | |
1401 | { | |
1402 | /* Add a prefix #n= if OBJ has not yet been printed; | |
1403 | that is, its status field is nil. */ | |
1404 | sprintf (buf, "#%d=", i + 1); | |
1405 | strout (buf, -1, -1, printcharfun, 0); | |
1406 | /* OBJ is going to be printed. Set the status to t. */ | |
1407 | PRINT_NUMBER_STATUS (Vprint_number_table, i) = Qt; | |
1408 | break; | |
1409 | } | |
1410 | else | |
1411 | { | |
1412 | /* Just print #n# if OBJ has already been printed. */ | |
1413 | sprintf (buf, "#%d#", i + 1); | |
1414 | strout (buf, -1, -1, printcharfun, 0); | |
1415 | return; | |
1416 | } | |
1417 | } | |
1418 | } | |
ec838c39 | 1419 | } |
ec838c39 | 1420 | |
38010d50 JB |
1421 | print_depth++; |
1422 | ||
ec838c39 | 1423 | if (print_depth > PRINT_CIRCLE) |
38010d50 JB |
1424 | error ("Apparently circular structure being printed"); |
1425 | #ifdef MAX_PRINT_CHARS | |
1426 | if (max_print && print_chars > max_print) | |
1427 | { | |
1428 | PRINTCHAR ('\n'); | |
1429 | print_chars = 0; | |
1430 | } | |
1431 | #endif /* MAX_PRINT_CHARS */ | |
1432 | ||
ca0569ad | 1433 | switch (XGCTYPE (obj)) |
38010d50 | 1434 | { |
ca0569ad | 1435 | case Lisp_Int: |
b8180922 RS |
1436 | if (sizeof (int) == sizeof (EMACS_INT)) |
1437 | sprintf (buf, "%d", XINT (obj)); | |
1438 | else if (sizeof (long) == sizeof (EMACS_INT)) | |
63fbf4ff | 1439 | sprintf (buf, "%ld", (long) XINT (obj)); |
b8180922 RS |
1440 | else |
1441 | abort (); | |
dc2a0b79 | 1442 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1443 | break; |
1444 | ||
ca0569ad RS |
1445 | case Lisp_Float: |
1446 | { | |
1447 | char pigbuf[350]; /* see comments in float_to_string */ | |
38010d50 | 1448 | |
94b342ce | 1449 | float_to_string (pigbuf, XFLOAT_DATA (obj)); |
dc2a0b79 | 1450 | strout (pigbuf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1451 | } |
1452 | break; | |
ca0569ad RS |
1453 | |
1454 | case Lisp_String: | |
38010d50 JB |
1455 | if (!escapeflag) |
1456 | print_string (obj, printcharfun); | |
1457 | else | |
1458 | { | |
dc2a0b79 | 1459 | register int i, i_byte; |
38010d50 | 1460 | struct gcpro gcpro1; |
872a36d2 | 1461 | unsigned char *str; |
dc2a0b79 | 1462 | int size_byte; |
453fa987 RS |
1463 | /* 1 means we must ensure that the next character we output |
1464 | cannot be taken as part of a hex character escape. */ | |
1465 | int need_nonhex = 0; | |
db300f59 | 1466 | int multibyte = STRING_MULTIBYTE (obj); |
38010d50 | 1467 | |
7651e1f5 RS |
1468 | GCPRO1 (obj); |
1469 | ||
d5db4077 | 1470 | if (!NULL_INTERVAL_P (STRING_INTERVALS (obj))) |
7651e1f5 RS |
1471 | { |
1472 | PRINTCHAR ('#'); | |
1473 | PRINTCHAR ('('); | |
1474 | } | |
38010d50 JB |
1475 | |
1476 | PRINTCHAR ('\"'); | |
d5db4077 KR |
1477 | str = SDATA (obj); |
1478 | size_byte = SBYTES (obj); | |
dc2a0b79 RS |
1479 | |
1480 | for (i = 0, i_byte = 0; i_byte < size_byte;) | |
38010d50 | 1481 | { |
6ddd6eee RS |
1482 | /* Here, we must convert each multi-byte form to the |
1483 | corresponding character code before handing it to PRINTCHAR. */ | |
1484 | int len; | |
dc2a0b79 RS |
1485 | int c; |
1486 | ||
db300f59 | 1487 | if (multibyte) |
872a36d2 | 1488 | { |
765fe1d0 KH |
1489 | c = STRING_CHAR_AND_LENGTH (str + i_byte, |
1490 | size_byte - i_byte, len); | |
da1ad4e7 KH |
1491 | if (CHAR_VALID_P (c, 0)) |
1492 | i_byte += len; | |
1493 | else | |
1494 | c = str[i_byte++]; | |
872a36d2 | 1495 | } |
dc2a0b79 | 1496 | else |
872a36d2 | 1497 | c = str[i_byte++]; |
dc2a0b79 | 1498 | |
38010d50 | 1499 | QUIT; |
6ddd6eee | 1500 | |
38010d50 JB |
1501 | if (c == '\n' && print_escape_newlines) |
1502 | { | |
1503 | PRINTCHAR ('\\'); | |
1504 | PRINTCHAR ('n'); | |
1505 | } | |
c6f7982f RM |
1506 | else if (c == '\f' && print_escape_newlines) |
1507 | { | |
1508 | PRINTCHAR ('\\'); | |
1509 | PRINTCHAR ('f'); | |
1510 | } | |
ae7367d3 RS |
1511 | else if (multibyte |
1512 | && ! ASCII_BYTE_P (c) | |
1513 | && (SINGLE_BYTE_CHAR_P (c) || print_escape_multibyte)) | |
dc2a0b79 RS |
1514 | { |
1515 | /* When multibyte is disabled, | |
ae7367d3 RS |
1516 | print multibyte string chars using hex escapes. |
1517 | For a char code that could be in a unibyte string, | |
1518 | when found in a multibyte string, always use a hex escape | |
1519 | so it reads back as multibyte. */ | |
dc2a0b79 RS |
1520 | unsigned char outbuf[50]; |
1521 | sprintf (outbuf, "\\x%x", c); | |
1522 | strout (outbuf, -1, -1, printcharfun, 0); | |
453fa987 | 1523 | need_nonhex = 1; |
dc2a0b79 | 1524 | } |
db300f59 RS |
1525 | else if (! multibyte |
1526 | && SINGLE_BYTE_CHAR_P (c) && ! ASCII_BYTE_P (c) | |
835d0be6 | 1527 | && print_escape_nonascii) |
974a6ff5 | 1528 | { |
835d0be6 RS |
1529 | /* When printing in a multibyte buffer |
1530 | or when explicitly requested, | |
974a6ff5 KH |
1531 | print single-byte non-ASCII string chars |
1532 | using octal escapes. */ | |
1533 | unsigned char outbuf[5]; | |
1534 | sprintf (outbuf, "\\%03o", c); | |
1535 | strout (outbuf, -1, -1, printcharfun, 0); | |
1536 | } | |
38010d50 JB |
1537 | else |
1538 | { | |
453fa987 RS |
1539 | /* If we just had a hex escape, and this character |
1540 | could be taken as part of it, | |
1541 | output `\ ' to prevent that. */ | |
1b62edd6 KH |
1542 | if (need_nonhex) |
1543 | { | |
1544 | need_nonhex = 0; | |
1545 | if ((c >= 'a' && c <= 'f') | |
453fa987 | 1546 | || (c >= 'A' && c <= 'F') |
1b62edd6 KH |
1547 | || (c >= '0' && c <= '9')) |
1548 | strout ("\\ ", -1, -1, printcharfun, 0); | |
1549 | } | |
453fa987 | 1550 | |
38010d50 JB |
1551 | if (c == '\"' || c == '\\') |
1552 | PRINTCHAR ('\\'); | |
1553 | PRINTCHAR (c); | |
1554 | } | |
1555 | } | |
1556 | PRINTCHAR ('\"'); | |
7651e1f5 | 1557 | |
d5db4077 | 1558 | if (!NULL_INTERVAL_P (STRING_INTERVALS (obj))) |
7651e1f5 | 1559 | { |
d5db4077 | 1560 | traverse_intervals (STRING_INTERVALS (obj), |
8bbfc258 | 1561 | 0, print_interval, printcharfun); |
7651e1f5 RS |
1562 | PRINTCHAR (')'); |
1563 | } | |
7651e1f5 | 1564 | |
38010d50 JB |
1565 | UNGCPRO; |
1566 | } | |
ca0569ad | 1567 | break; |
38010d50 | 1568 | |
ca0569ad RS |
1569 | case Lisp_Symbol: |
1570 | { | |
1571 | register int confusing; | |
d5db4077 KR |
1572 | register unsigned char *p = SDATA (SYMBOL_NAME (obj)); |
1573 | register unsigned char *end = p + SBYTES (SYMBOL_NAME (obj)); | |
2190a05e | 1574 | register int c; |
dc2a0b79 RS |
1575 | int i, i_byte, size_byte; |
1576 | Lisp_Object name; | |
1577 | ||
76d0b3ae | 1578 | name = SYMBOL_NAME (obj); |
ca0569ad RS |
1579 | |
1580 | if (p != end && (*p == '-' || *p == '+')) p++; | |
1581 | if (p == end) | |
1582 | confusing = 0; | |
d27497e3 RS |
1583 | /* If symbol name begins with a digit, and ends with a digit, |
1584 | and contains nothing but digits and `e', it could be treated | |
1585 | as a number. So set CONFUSING. | |
1586 | ||
1587 | Symbols that contain periods could also be taken as numbers, | |
1588 | but periods are always escaped, so we don't have to worry | |
1589 | about them here. */ | |
1590 | else if (*p >= '0' && *p <= '9' | |
1591 | && end[-1] >= '0' && end[-1] <= '9') | |
ca0569ad | 1592 | { |
e837058b RS |
1593 | while (p != end && ((*p >= '0' && *p <= '9') |
1594 | /* Needed for \2e10. */ | |
1595 | || *p == 'e')) | |
ca0569ad RS |
1596 | p++; |
1597 | confusing = (end == p); | |
1598 | } | |
d27497e3 RS |
1599 | else |
1600 | confusing = 0; | |
ca0569ad | 1601 | |
bf9f2aab | 1602 | if (! NILP (Vprint_gensym) && !SYMBOL_INTERNED_P (obj)) |
081e0581 | 1603 | { |
081e0581 EN |
1604 | PRINTCHAR ('#'); |
1605 | PRINTCHAR (':'); | |
1606 | } | |
1607 | ||
d5db4077 | 1608 | size_byte = SBYTES (name); |
dc2a0b79 RS |
1609 | |
1610 | for (i = 0, i_byte = 0; i_byte < size_byte;) | |
ca0569ad | 1611 | { |
6ddd6eee RS |
1612 | /* Here, we must convert each multi-byte form to the |
1613 | corresponding character code before handing it to PRINTCHAR. */ | |
eba90784 | 1614 | FETCH_STRING_CHAR_ADVANCE (c, name, i, i_byte); |
ca0569ad | 1615 | QUIT; |
09eddb56 | 1616 | |
ca0569ad RS |
1617 | if (escapeflag) |
1618 | { | |
09eddb56 RS |
1619 | if (c == '\"' || c == '\\' || c == '\'' |
1620 | || c == ';' || c == '#' || c == '(' || c == ')' | |
1621 | || c == ',' || c =='.' || c == '`' | |
1622 | || c == '[' || c == ']' || c == '?' || c <= 040 | |
1623 | || confusing) | |
ca0569ad RS |
1624 | PRINTCHAR ('\\'), confusing = 0; |
1625 | } | |
1626 | PRINTCHAR (c); | |
1627 | } | |
1628 | } | |
1629 | break; | |
1630 | ||
1631 | case Lisp_Cons: | |
38010d50 | 1632 | /* If deeper than spec'd depth, print placeholder. */ |
d4ae1f7e | 1633 | if (INTEGERP (Vprint_level) |
38010d50 | 1634 | && print_depth > XINT (Vprint_level)) |
dc2a0b79 | 1635 | strout ("...", -1, -1, printcharfun, 0); |
2f100b5c EN |
1636 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) |
1637 | && (EQ (XCAR (obj), Qquote))) | |
1638 | { | |
1639 | PRINTCHAR ('\''); | |
0f25ecc6 | 1640 | print_object (XCAR (XCDR (obj)), printcharfun, escapeflag); |
2f100b5c EN |
1641 | } |
1642 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) | |
1643 | && (EQ (XCAR (obj), Qfunction))) | |
1644 | { | |
1645 | PRINTCHAR ('#'); | |
1646 | PRINTCHAR ('\''); | |
0f25ecc6 | 1647 | print_object (XCAR (XCDR (obj)), printcharfun, escapeflag); |
2f100b5c EN |
1648 | } |
1649 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) | |
0330bb60 | 1650 | && ! old_backquote_output |
2f100b5c EN |
1651 | && ((EQ (XCAR (obj), Qbackquote) |
1652 | || EQ (XCAR (obj), Qcomma) | |
1653 | || EQ (XCAR (obj), Qcomma_at) | |
1654 | || EQ (XCAR (obj), Qcomma_dot)))) | |
1655 | { | |
0f25ecc6 RS |
1656 | print_object (XCAR (obj), printcharfun, 0); |
1657 | print_object (XCAR (XCDR (obj)), printcharfun, escapeflag); | |
2f100b5c | 1658 | } |
e0f93814 | 1659 | else |
38010d50 | 1660 | { |
e0f93814 | 1661 | PRINTCHAR ('('); |
177c0ea7 | 1662 | |
0330bb60 RS |
1663 | /* If the first element is a backquote form, |
1664 | print it old-style so it won't be misunderstood. */ | |
1665 | if (print_quoted && CONSP (XCAR (obj)) | |
1666 | && CONSP (XCDR (XCAR (obj))) | |
1667 | && NILP (XCDR (XCDR (XCAR (obj)))) | |
1668 | && EQ (XCAR (XCAR (obj)), Qbackquote)) | |
1669 | { | |
1670 | Lisp_Object tem; | |
1671 | tem = XCAR (obj); | |
1672 | PRINTCHAR ('('); | |
1673 | ||
1674 | print_object (Qbackquote, printcharfun, 0); | |
1675 | PRINTCHAR (' '); | |
1676 | ||
1677 | ++old_backquote_output; | |
1678 | print_object (XCAR (XCDR (tem)), printcharfun, 0); | |
1679 | --old_backquote_output; | |
1680 | PRINTCHAR (')'); | |
1681 | ||
1682 | obj = XCDR (obj); | |
1683 | } | |
1684 | ||
38010d50 | 1685 | { |
42ac1ed4 | 1686 | int print_length, i; |
1eab22b5 | 1687 | Lisp_Object halftail = obj; |
e0f93814 | 1688 | |
9ab8560d | 1689 | /* Negative values of print-length are invalid in CL. |
42ac1ed4 GM |
1690 | Treat them like nil, as CMUCL does. */ |
1691 | if (NATNUMP (Vprint_length)) | |
1692 | print_length = XFASTINT (Vprint_length); | |
1693 | else | |
1694 | print_length = 0; | |
1695 | ||
1696 | i = 0; | |
e0f93814 | 1697 | while (CONSP (obj)) |
38010d50 | 1698 | { |
1eab22b5 | 1699 | /* Detect circular list. */ |
0f25ecc6 | 1700 | if (NILP (Vprint_circle)) |
1eab22b5 | 1701 | { |
0f25ecc6 RS |
1702 | /* Simple but imcomplete way. */ |
1703 | if (i != 0 && EQ (obj, halftail)) | |
1704 | { | |
1705 | sprintf (buf, " . #%d", i / 2); | |
1706 | strout (buf, -1, -1, printcharfun, 0); | |
1707 | goto end_of_list; | |
1708 | } | |
1709 | } | |
1710 | else | |
1711 | { | |
1712 | /* With the print-circle feature. */ | |
1713 | if (i != 0) | |
1714 | { | |
1715 | int i; | |
1716 | for (i = 0; i < print_number_index; i++) | |
42ac1ed4 GM |
1717 | if (EQ (PRINT_NUMBER_OBJECT (Vprint_number_table, i), |
1718 | obj)) | |
0f25ecc6 RS |
1719 | { |
1720 | if (NILP (PRINT_NUMBER_STATUS (Vprint_number_table, i))) | |
1721 | { | |
1722 | strout (" . ", 3, 3, printcharfun, 0); | |
1723 | print_object (obj, printcharfun, escapeflag); | |
1724 | } | |
1725 | else | |
1726 | { | |
1727 | sprintf (buf, " . #%d#", i + 1); | |
1728 | strout (buf, -1, -1, printcharfun, 0); | |
1729 | } | |
1730 | goto end_of_list; | |
1731 | } | |
1732 | } | |
1eab22b5 | 1733 | } |
177c0ea7 | 1734 | |
e0f93814 KH |
1735 | if (i++) |
1736 | PRINTCHAR (' '); | |
177c0ea7 | 1737 | |
f4fe72d5 | 1738 | if (print_length && i > print_length) |
e0f93814 | 1739 | { |
dc2a0b79 | 1740 | strout ("...", 3, 3, printcharfun, 0); |
0f25ecc6 | 1741 | goto end_of_list; |
e0f93814 | 1742 | } |
177c0ea7 | 1743 | |
0f25ecc6 | 1744 | print_object (XCAR (obj), printcharfun, escapeflag); |
177c0ea7 | 1745 | |
2f100b5c | 1746 | obj = XCDR (obj); |
1eab22b5 RS |
1747 | if (!(i & 1)) |
1748 | halftail = XCDR (halftail); | |
38010d50 | 1749 | } |
38010d50 | 1750 | } |
42ac1ed4 GM |
1751 | |
1752 | /* OBJ non-nil here means it's the end of a dotted list. */ | |
2f100b5c | 1753 | if (!NILP (obj)) |
e0f93814 | 1754 | { |
dc2a0b79 | 1755 | strout (" . ", 3, 3, printcharfun, 0); |
0f25ecc6 | 1756 | print_object (obj, printcharfun, escapeflag); |
e0f93814 | 1757 | } |
177c0ea7 | 1758 | |
0f25ecc6 | 1759 | end_of_list: |
e0f93814 | 1760 | PRINTCHAR (')'); |
38010d50 | 1761 | } |
ca0569ad RS |
1762 | break; |
1763 | ||
1764 | case Lisp_Vectorlike: | |
1765 | if (PROCESSP (obj)) | |
1766 | { | |
1767 | if (escapeflag) | |
1768 | { | |
dc2a0b79 | 1769 | strout ("#<process ", -1, -1, printcharfun, 0); |
ca0569ad RS |
1770 | print_string (XPROCESS (obj)->name, printcharfun); |
1771 | PRINTCHAR ('>'); | |
1772 | } | |
1773 | else | |
1774 | print_string (XPROCESS (obj)->name, printcharfun); | |
1775 | } | |
ed2c35ef RS |
1776 | else if (BOOL_VECTOR_P (obj)) |
1777 | { | |
1778 | register int i; | |
1779 | register unsigned char c; | |
1780 | struct gcpro gcpro1; | |
ed2c35ef | 1781 | int size_in_chars |
1bad7c59 | 1782 | = (XBOOL_VECTOR (obj)->size + BITS_PER_CHAR - 1) / BITS_PER_CHAR; |
ed2c35ef RS |
1783 | |
1784 | GCPRO1 (obj); | |
1785 | ||
1786 | PRINTCHAR ('#'); | |
1787 | PRINTCHAR ('&'); | |
1788 | sprintf (buf, "%d", XBOOL_VECTOR (obj)->size); | |
dc2a0b79 | 1789 | strout (buf, -1, -1, printcharfun, 0); |
ed2c35ef | 1790 | PRINTCHAR ('\"'); |
a40384bc | 1791 | |
42ac1ed4 | 1792 | /* Don't print more characters than the specified maximum. |
9ab8560d | 1793 | Negative values of print-length are invalid. Treat them |
42ac1ed4 GM |
1794 | like a print-length of nil. */ |
1795 | if (NATNUMP (Vprint_length) | |
1796 | && XFASTINT (Vprint_length) < size_in_chars) | |
1797 | size_in_chars = XFASTINT (Vprint_length); | |
a40384bc | 1798 | |
ed2c35ef RS |
1799 | for (i = 0; i < size_in_chars; i++) |
1800 | { | |
1801 | QUIT; | |
1802 | c = XBOOL_VECTOR (obj)->data[i]; | |
1803 | if (c == '\n' && print_escape_newlines) | |
1804 | { | |
1805 | PRINTCHAR ('\\'); | |
1806 | PRINTCHAR ('n'); | |
1807 | } | |
1808 | else if (c == '\f' && print_escape_newlines) | |
1809 | { | |
1810 | PRINTCHAR ('\\'); | |
1811 | PRINTCHAR ('f'); | |
1812 | } | |
1813 | else | |
1814 | { | |
1815 | if (c == '\"' || c == '\\') | |
1816 | PRINTCHAR ('\\'); | |
1817 | PRINTCHAR (c); | |
1818 | } | |
1819 | } | |
1820 | PRINTCHAR ('\"'); | |
1821 | ||
1822 | UNGCPRO; | |
1823 | } | |
ca0569ad RS |
1824 | else if (SUBRP (obj)) |
1825 | { | |
dc2a0b79 RS |
1826 | strout ("#<subr ", -1, -1, printcharfun, 0); |
1827 | strout (XSUBR (obj)->symbol_name, -1, -1, printcharfun, 0); | |
ca0569ad RS |
1828 | PRINTCHAR ('>'); |
1829 | } | |
ca0569ad RS |
1830 | else if (WINDOWP (obj)) |
1831 | { | |
dc2a0b79 | 1832 | strout ("#<window ", -1, -1, printcharfun, 0); |
ca0569ad | 1833 | sprintf (buf, "%d", XFASTINT (XWINDOW (obj)->sequence_number)); |
dc2a0b79 | 1834 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1835 | if (!NILP (XWINDOW (obj)->buffer)) |
1836 | { | |
dc2a0b79 | 1837 | strout (" on ", -1, -1, printcharfun, 0); |
ca0569ad RS |
1838 | print_string (XBUFFER (XWINDOW (obj)->buffer)->name, printcharfun); |
1839 | } | |
1840 | PRINTCHAR ('>'); | |
1841 | } | |
7eb03302 GM |
1842 | else if (HASH_TABLE_P (obj)) |
1843 | { | |
1844 | struct Lisp_Hash_Table *h = XHASH_TABLE (obj); | |
1845 | strout ("#<hash-table", -1, -1, printcharfun, 0); | |
1846 | if (SYMBOLP (h->test)) | |
1847 | { | |
1848 | PRINTCHAR (' '); | |
1849 | PRINTCHAR ('\''); | |
d5db4077 | 1850 | strout (SDATA (SYMBOL_NAME (h->test)), -1, -1, printcharfun, 0); |
7eb03302 | 1851 | PRINTCHAR (' '); |
d5db4077 | 1852 | strout (SDATA (SYMBOL_NAME (h->weak)), -1, -1, printcharfun, 0); |
7eb03302 GM |
1853 | PRINTCHAR (' '); |
1854 | sprintf (buf, "%d/%d", XFASTINT (h->count), | |
1855 | XVECTOR (h->next)->size); | |
1856 | strout (buf, -1, -1, printcharfun, 0); | |
1857 | } | |
1858 | sprintf (buf, " 0x%lx", (unsigned long) h); | |
1859 | strout (buf, -1, -1, printcharfun, 0); | |
1860 | PRINTCHAR ('>'); | |
1861 | } | |
908b0ae5 RS |
1862 | else if (BUFFERP (obj)) |
1863 | { | |
1864 | if (NILP (XBUFFER (obj)->name)) | |
dc2a0b79 | 1865 | strout ("#<killed buffer>", -1, -1, printcharfun, 0); |
908b0ae5 RS |
1866 | else if (escapeflag) |
1867 | { | |
dc2a0b79 | 1868 | strout ("#<buffer ", -1, -1, printcharfun, 0); |
908b0ae5 RS |
1869 | print_string (XBUFFER (obj)->name, printcharfun); |
1870 | PRINTCHAR ('>'); | |
1871 | } | |
1872 | else | |
1873 | print_string (XBUFFER (obj)->name, printcharfun); | |
1874 | } | |
ca0569ad RS |
1875 | else if (WINDOW_CONFIGURATIONP (obj)) |
1876 | { | |
dc2a0b79 | 1877 | strout ("#<window-configuration>", -1, -1, printcharfun, 0); |
ca0569ad | 1878 | } |
ca0569ad RS |
1879 | else if (FRAMEP (obj)) |
1880 | { | |
1881 | strout ((FRAME_LIVE_P (XFRAME (obj)) | |
1882 | ? "#<frame " : "#<dead frame "), | |
dc2a0b79 | 1883 | -1, -1, printcharfun, 0); |
ca0569ad | 1884 | print_string (XFRAME (obj)->name, printcharfun); |
aab3aa14 | 1885 | sprintf (buf, " 0x%lx", (unsigned long) (XFRAME (obj))); |
dc2a0b79 | 1886 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1887 | PRINTCHAR ('>'); |
1888 | } | |
ca0569ad RS |
1889 | else |
1890 | { | |
1891 | int size = XVECTOR (obj)->size; | |
1892 | if (COMPILEDP (obj)) | |
1893 | { | |
1894 | PRINTCHAR ('#'); | |
1895 | size &= PSEUDOVECTOR_SIZE_MASK; | |
1896 | } | |
ed2c35ef RS |
1897 | if (CHAR_TABLE_P (obj)) |
1898 | { | |
1899 | /* We print a char-table as if it were a vector, | |
1900 | lumping the parent and default slots in with the | |
1901 | character slots. But we add #^ as a prefix. */ | |
1902 | PRINTCHAR ('#'); | |
1903 | PRINTCHAR ('^'); | |
3701b5de KH |
1904 | if (SUB_CHAR_TABLE_P (obj)) |
1905 | PRINTCHAR ('^'); | |
ed2c35ef RS |
1906 | size &= PSEUDOVECTOR_SIZE_MASK; |
1907 | } | |
00d76abc KH |
1908 | if (size & PSEUDOVECTOR_FLAG) |
1909 | goto badtype; | |
ca0569ad RS |
1910 | |
1911 | PRINTCHAR ('['); | |
38010d50 | 1912 | { |
ca0569ad RS |
1913 | register int i; |
1914 | register Lisp_Object tem; | |
d6ac884e | 1915 | int real_size = size; |
a40384bc RS |
1916 | |
1917 | /* Don't print more elements than the specified maximum. */ | |
42ac1ed4 GM |
1918 | if (NATNUMP (Vprint_length) |
1919 | && XFASTINT (Vprint_length) < size) | |
1920 | size = XFASTINT (Vprint_length); | |
a40384bc | 1921 | |
ca0569ad RS |
1922 | for (i = 0; i < size; i++) |
1923 | { | |
1924 | if (i) PRINTCHAR (' '); | |
1925 | tem = XVECTOR (obj)->contents[i]; | |
0f25ecc6 | 1926 | print_object (tem, printcharfun, escapeflag); |
ca0569ad | 1927 | } |
d6ac884e KH |
1928 | if (size < real_size) |
1929 | strout (" ...", 4, 4, printcharfun, 0); | |
38010d50 | 1930 | } |
ca0569ad RS |
1931 | PRINTCHAR (']'); |
1932 | } | |
1933 | break; | |
1934 | ||
ca0569ad | 1935 | case Lisp_Misc: |
5db20f08 | 1936 | switch (XMISCTYPE (obj)) |
38010d50 | 1937 | { |
00d76abc | 1938 | case Lisp_Misc_Marker: |
dc2a0b79 | 1939 | strout ("#<marker ", -1, -1, printcharfun, 0); |
087e3c46 KH |
1940 | /* Do you think this is necessary? */ |
1941 | if (XMARKER (obj)->insertion_type != 0) | |
210ebd3d | 1942 | strout ("(moves after insertion) ", -1, -1, printcharfun, 0); |
ca0569ad | 1943 | if (!(XMARKER (obj)->buffer)) |
dc2a0b79 | 1944 | strout ("in no buffer", -1, -1, printcharfun, 0); |
ca0569ad RS |
1945 | else |
1946 | { | |
1947 | sprintf (buf, "at %d", marker_position (obj)); | |
dc2a0b79 RS |
1948 | strout (buf, -1, -1, printcharfun, 0); |
1949 | strout (" in ", -1, -1, printcharfun, 0); | |
ca0569ad RS |
1950 | print_string (XMARKER (obj)->buffer->name, printcharfun); |
1951 | } | |
38010d50 | 1952 | PRINTCHAR ('>'); |
908b0ae5 | 1953 | break; |
00d76abc KH |
1954 | |
1955 | case Lisp_Misc_Overlay: | |
dc2a0b79 | 1956 | strout ("#<overlay ", -1, -1, printcharfun, 0); |
ca0569ad | 1957 | if (!(XMARKER (OVERLAY_START (obj))->buffer)) |
dc2a0b79 | 1958 | strout ("in no buffer", -1, -1, printcharfun, 0); |
ca0569ad RS |
1959 | else |
1960 | { | |
1961 | sprintf (buf, "from %d to %d in ", | |
1962 | marker_position (OVERLAY_START (obj)), | |
1963 | marker_position (OVERLAY_END (obj))); | |
dc2a0b79 | 1964 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1965 | print_string (XMARKER (OVERLAY_START (obj))->buffer->name, |
1966 | printcharfun); | |
1967 | } | |
1968 | PRINTCHAR ('>'); | |
908b0ae5 | 1969 | break; |
00d76abc KH |
1970 | |
1971 | /* Remaining cases shouldn't happen in normal usage, but let's print | |
1972 | them anyway for the benefit of the debugger. */ | |
1973 | case Lisp_Misc_Free: | |
dc2a0b79 | 1974 | strout ("#<misc free cell>", -1, -1, printcharfun, 0); |
00d76abc KH |
1975 | break; |
1976 | ||
1977 | case Lisp_Misc_Intfwd: | |
1978 | sprintf (buf, "#<intfwd to %d>", *XINTFWD (obj)->intvar); | |
dc2a0b79 | 1979 | strout (buf, -1, -1, printcharfun, 0); |
00d76abc KH |
1980 | break; |
1981 | ||
1982 | case Lisp_Misc_Boolfwd: | |
1983 | sprintf (buf, "#<boolfwd to %s>", | |
1984 | (*XBOOLFWD (obj)->boolvar ? "t" : "nil")); | |
dc2a0b79 | 1985 | strout (buf, -1, -1, printcharfun, 0); |
00d76abc KH |
1986 | break; |
1987 | ||
1988 | case Lisp_Misc_Objfwd: | |
dc2a0b79 | 1989 | strout ("#<objfwd to ", -1, -1, printcharfun, 0); |
0f25ecc6 | 1990 | print_object (*XOBJFWD (obj)->objvar, printcharfun, escapeflag); |
00d76abc KH |
1991 | PRINTCHAR ('>'); |
1992 | break; | |
1993 | ||
1994 | case Lisp_Misc_Buffer_Objfwd: | |
dc2a0b79 | 1995 | strout ("#<buffer_objfwd to ", -1, -1, printcharfun, 0); |
f6cd0527 GM |
1996 | print_object (PER_BUFFER_VALUE (current_buffer, |
1997 | XBUFFER_OBJFWD (obj)->offset), | |
c3279ad4 | 1998 | printcharfun, escapeflag); |
3ac613c1 KH |
1999 | PRINTCHAR ('>'); |
2000 | break; | |
2001 | ||
fb917148 | 2002 | case Lisp_Misc_Kboard_Objfwd: |
dc2a0b79 | 2003 | strout ("#<kboard_objfwd to ", -1, -1, printcharfun, 0); |
0f25ecc6 RS |
2004 | print_object (*(Lisp_Object *)((char *) current_kboard |
2005 | + XKBOARD_OBJFWD (obj)->offset), | |
c3279ad4 | 2006 | printcharfun, escapeflag); |
00d76abc KH |
2007 | PRINTCHAR ('>'); |
2008 | break; | |
2009 | ||
2010 | case Lisp_Misc_Buffer_Local_Value: | |
dc2a0b79 | 2011 | strout ("#<buffer_local_value ", -1, -1, printcharfun, 0); |
00d76abc KH |
2012 | goto do_buffer_local; |
2013 | case Lisp_Misc_Some_Buffer_Local_Value: | |
dc2a0b79 | 2014 | strout ("#<some_buffer_local_value ", -1, -1, printcharfun, 0); |
00d76abc | 2015 | do_buffer_local: |
dc2a0b79 | 2016 | strout ("[realvalue] ", -1, -1, printcharfun, 0); |
0f25ecc6 RS |
2017 | print_object (XBUFFER_LOCAL_VALUE (obj)->realvalue, |
2018 | printcharfun, escapeflag); | |
03153771 RS |
2019 | if (XBUFFER_LOCAL_VALUE (obj)->found_for_buffer) |
2020 | strout ("[local in buffer] ", -1, -1, printcharfun, 0); | |
2021 | else | |
2022 | strout ("[buffer] ", -1, -1, printcharfun, 0); | |
0f25ecc6 RS |
2023 | print_object (XBUFFER_LOCAL_VALUE (obj)->buffer, |
2024 | printcharfun, escapeflag); | |
03153771 RS |
2025 | if (XBUFFER_LOCAL_VALUE (obj)->check_frame) |
2026 | { | |
2027 | if (XBUFFER_LOCAL_VALUE (obj)->found_for_frame) | |
2028 | strout ("[local in frame] ", -1, -1, printcharfun, 0); | |
2029 | else | |
2030 | strout ("[frame] ", -1, -1, printcharfun, 0); | |
0f25ecc6 RS |
2031 | print_object (XBUFFER_LOCAL_VALUE (obj)->frame, |
2032 | printcharfun, escapeflag); | |
03153771 | 2033 | } |
dc2a0b79 | 2034 | strout ("[alist-elt] ", -1, -1, printcharfun, 0); |
94b342ce | 2035 | print_object (XCAR (XBUFFER_LOCAL_VALUE (obj)->cdr), |
0f25ecc6 | 2036 | printcharfun, escapeflag); |
dc2a0b79 | 2037 | strout ("[default-value] ", -1, -1, printcharfun, 0); |
94b342ce | 2038 | print_object (XCDR (XBUFFER_LOCAL_VALUE (obj)->cdr), |
0f25ecc6 | 2039 | printcharfun, escapeflag); |
00d76abc KH |
2040 | PRINTCHAR ('>'); |
2041 | break; | |
2042 | ||
2043 | default: | |
2044 | goto badtype; | |
e0f93814 | 2045 | } |
00d76abc | 2046 | break; |
ca0569ad RS |
2047 | |
2048 | default: | |
00d76abc | 2049 | badtype: |
ca0569ad RS |
2050 | { |
2051 | /* We're in trouble if this happens! | |
2052 | Probably should just abort () */ | |
dc2a0b79 | 2053 | strout ("#<EMACS BUG: INVALID DATATYPE ", -1, -1, printcharfun, 0); |
00d76abc | 2054 | if (MISCP (obj)) |
5db20f08 | 2055 | sprintf (buf, "(MISC 0x%04x)", (int) XMISCTYPE (obj)); |
00d76abc KH |
2056 | else if (VECTORLIKEP (obj)) |
2057 | sprintf (buf, "(PVEC 0x%08x)", (int) XVECTOR (obj)->size); | |
2058 | else | |
2059 | sprintf (buf, "(0x%02x)", (int) XTYPE (obj)); | |
dc2a0b79 | 2060 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad | 2061 | strout (" Save your buffers immediately and please report this bug>", |
dc2a0b79 | 2062 | -1, -1, printcharfun, 0); |
ca0569ad | 2063 | } |
38010d50 JB |
2064 | } |
2065 | ||
2066 | print_depth--; | |
2067 | } | |
2068 | \f | |
7651e1f5 RS |
2069 | |
2070 | /* Print a description of INTERVAL using PRINTCHARFUN. | |
2071 | This is part of printing a string that has text properties. */ | |
2072 | ||
2073 | void | |
2074 | print_interval (interval, printcharfun) | |
2075 | INTERVAL interval; | |
2076 | Lisp_Object printcharfun; | |
2077 | { | |
30503c0b | 2078 | PRINTCHAR (' '); |
0f25ecc6 | 2079 | print_object (make_number (interval->position), printcharfun, 1); |
7651e1f5 | 2080 | PRINTCHAR (' '); |
0f25ecc6 | 2081 | print_object (make_number (interval->position + LENGTH (interval)), |
7651e1f5 RS |
2082 | printcharfun, 1); |
2083 | PRINTCHAR (' '); | |
0f25ecc6 | 2084 | print_object (interval->plist, printcharfun, 1); |
7651e1f5 RS |
2085 | } |
2086 | ||
7651e1f5 | 2087 | \f |
38010d50 JB |
2088 | void |
2089 | syms_of_print () | |
2090 | { | |
d9c21094 RS |
2091 | Qtemp_buffer_setup_hook = intern ("temp-buffer-setup-hook"); |
2092 | staticpro (&Qtemp_buffer_setup_hook); | |
2093 | ||
38010d50 | 2094 | DEFVAR_LISP ("standard-output", &Vstandard_output, |
8c1a1077 PJ |
2095 | doc: /* Output stream `print' uses by default for outputting a character. |
2096 | This may be any function of one argument. | |
2097 | It may also be a buffer (output is inserted before point) | |
2098 | or a marker (output is inserted and the marker is advanced) | |
2099 | or the symbol t (output appears in the echo area). */); | |
38010d50 JB |
2100 | Vstandard_output = Qt; |
2101 | Qstandard_output = intern ("standard-output"); | |
2102 | staticpro (&Qstandard_output); | |
2103 | ||
38010d50 | 2104 | DEFVAR_LISP ("float-output-format", &Vfloat_output_format, |
8c1a1077 PJ |
2105 | doc: /* The format descriptor string used to print floats. |
2106 | This is a %-spec like those accepted by `printf' in C, | |
2107 | but with some restrictions. It must start with the two characters `%.'. | |
2108 | After that comes an integer precision specification, | |
2109 | and then a letter which controls the format. | |
2110 | The letters allowed are `e', `f' and `g'. | |
2111 | Use `e' for exponential notation \"DIG.DIGITSeEXPT\" | |
2112 | Use `f' for decimal point notation \"DIGITS.DIGITS\". | |
2113 | Use `g' to choose the shorter of those two formats for the number at hand. | |
2114 | The precision in any of these cases is the number of digits following | |
2115 | the decimal point. With `f', a precision of 0 means to omit the | |
2116 | decimal point. 0 is not allowed with `e' or `g'. | |
2117 | ||
2118 | A value of nil means to use the shortest notation | |
2119 | that represents the number without losing information. */); | |
38010d50 JB |
2120 | Vfloat_output_format = Qnil; |
2121 | Qfloat_output_format = intern ("float-output-format"); | |
2122 | staticpro (&Qfloat_output_format); | |
38010d50 JB |
2123 | |
2124 | DEFVAR_LISP ("print-length", &Vprint_length, | |
8c1a1077 PJ |
2125 | doc: /* Maximum length of list to print before abbreviating. |
2126 | A value of nil means no limit. See also `eval-expression-print-length'. */); | |
38010d50 JB |
2127 | Vprint_length = Qnil; |
2128 | ||
2129 | DEFVAR_LISP ("print-level", &Vprint_level, | |
8c1a1077 PJ |
2130 | doc: /* Maximum depth of list nesting to print before abbreviating. |
2131 | A value of nil means no limit. See also `eval-expression-print-level'. */); | |
38010d50 JB |
2132 | Vprint_level = Qnil; |
2133 | ||
2134 | DEFVAR_BOOL ("print-escape-newlines", &print_escape_newlines, | |
8c1a1077 PJ |
2135 | doc: /* Non-nil means print newlines in strings as `\\n'. |
2136 | Also print formfeeds as `\\f'. */); | |
38010d50 JB |
2137 | print_escape_newlines = 0; |
2138 | ||
38940e93 | 2139 | DEFVAR_BOOL ("print-escape-nonascii", &print_escape_nonascii, |
8c1a1077 PJ |
2140 | doc: /* Non-nil means print unibyte non-ASCII chars in strings as \\OOO. |
2141 | \(OOO is the octal representation of the character code.) | |
249c0f71 RS |
2142 | Only single-byte characters are affected, and only in `prin1'. |
2143 | When the output goes in a multibyte buffer, this feature is | |
2144 | enabled regardless of the value of the variable. */); | |
38940e93 RS |
2145 | print_escape_nonascii = 0; |
2146 | ||
835d0be6 | 2147 | DEFVAR_BOOL ("print-escape-multibyte", &print_escape_multibyte, |
8c1a1077 PJ |
2148 | doc: /* Non-nil means print multibyte characters in strings as \\xXXXX. |
2149 | \(XXXX is the hex representation of the character code.) | |
2150 | This affects only `prin1'. */); | |
835d0be6 RS |
2151 | print_escape_multibyte = 0; |
2152 | ||
2f100b5c | 2153 | DEFVAR_BOOL ("print-quoted", &print_quoted, |
8c1a1077 PJ |
2154 | doc: /* Non-nil means print quoted forms with reader syntax. |
2155 | I.e., (quote foo) prints as 'foo, (function foo) as #'foo, and backquoted | |
2156 | forms print as in the new syntax. */); | |
2f100b5c EN |
2157 | print_quoted = 0; |
2158 | ||
e0f69431 | 2159 | DEFVAR_LISP ("print-gensym", &Vprint_gensym, |
8c1a1077 PJ |
2160 | doc: /* Non-nil means print uninterned symbols so they will read as uninterned. |
2161 | I.e., the value of (make-symbol \"foobar\") prints as #:foobar. | |
2162 | When the uninterned symbol appears within a recursive data structure, | |
2163 | and the symbol appears more than once, in addition use the #N# and #N= | |
2164 | constructs as needed, so that multiple references to the same symbol are | |
2165 | shared once again when the text is read back. */); | |
e0f69431 RS |
2166 | Vprint_gensym = Qnil; |
2167 | ||
0f25ecc6 | 2168 | DEFVAR_LISP ("print-circle", &Vprint_circle, |
8c1a1077 PJ |
2169 | doc: /* *Non-nil means print recursive structures using #N= and #N# syntax. |
2170 | If nil, printing proceeds recursively and may lead to | |
2171 | `max-lisp-eval-depth' being exceeded or an error may occur: | |
2172 | \"Apparently circular structure being printed.\" Also see | |
2173 | `print-length' and `print-level'. | |
2174 | If non-nil, shared substructures anywhere in the structure are printed | |
2175 | with `#N=' before the first occurrence (in the order of the print | |
2176 | representation) and `#N#' in place of each subsequent occurrence, | |
2177 | where N is a positive decimal integer. */); | |
0f25ecc6 RS |
2178 | Vprint_circle = Qnil; |
2179 | ||
2180 | DEFVAR_LISP ("print-continuous-numbering", &Vprint_continuous_numbering, | |
8c1a1077 PJ |
2181 | doc: /* *Non-nil means number continuously across print calls. |
2182 | This affects the numbers printed for #N= labels and #M# references. | |
2183 | See also `print-circle', `print-gensym', and `print-number-table'. | |
2184 | This variable should not be set with `setq'; bind it with a `let' instead. */); | |
0f25ecc6 RS |
2185 | Vprint_continuous_numbering = Qnil; |
2186 | ||
2187 | DEFVAR_LISP ("print-number-table", &Vprint_number_table, | |
8c1a1077 PJ |
2188 | doc: /* A vector used internally to produce `#N=' labels and `#N#' references. |
2189 | The Lisp printer uses this vector to detect Lisp objects referenced more | |
e6d4cddd RS |
2190 | than once. |
2191 | ||
2192 | When you bind `print-continuous-numbering' to t, you should probably | |
2193 | also bind `print-number-table' to nil. This ensures that the value of | |
2194 | `print-number-table' can be garbage-collected once the printing is | |
2195 | done. If all elements of `print-number-table' are nil, it means that | |
2196 | the printing done so far has not found any shared structure or objects | |
2197 | that need to be recorded in the table. */); | |
0f25ecc6 | 2198 | Vprint_number_table = Qnil; |
081e0581 | 2199 | |
38010d50 JB |
2200 | /* prin1_to_string_buffer initialized in init_buffer_once in buffer.c */ |
2201 | staticpro (&Vprin1_to_string_buffer); | |
2202 | ||
2203 | defsubr (&Sprin1); | |
2204 | defsubr (&Sprin1_to_string); | |
113620cc | 2205 | defsubr (&Serror_message_string); |
38010d50 JB |
2206 | defsubr (&Sprinc); |
2207 | defsubr (&Sprint); | |
2208 | defsubr (&Sterpri); | |
2209 | defsubr (&Swrite_char); | |
2210 | defsubr (&Sexternal_debugging_output); | |
95e52d88 | 2211 | #ifdef WITH_REDIRECT_DEBUGGING_OUTPUT |
6a1ff3ba | 2212 | defsubr (&Sredirect_debugging_output); |
95e52d88 | 2213 | #endif |
38010d50 JB |
2214 | |
2215 | Qexternal_debugging_output = intern ("external-debugging-output"); | |
2216 | staticpro (&Qexternal_debugging_output); | |
2217 | ||
2f100b5c EN |
2218 | Qprint_escape_newlines = intern ("print-escape-newlines"); |
2219 | staticpro (&Qprint_escape_newlines); | |
2220 | ||
835d0be6 RS |
2221 | Qprint_escape_multibyte = intern ("print-escape-multibyte"); |
2222 | staticpro (&Qprint_escape_multibyte); | |
2223 | ||
2224 | Qprint_escape_nonascii = intern ("print-escape-nonascii"); | |
2225 | staticpro (&Qprint_escape_nonascii); | |
2226 | ||
38010d50 | 2227 | defsubr (&Swith_output_to_temp_buffer); |
38010d50 | 2228 | } |
ab5796a9 MB |
2229 | |
2230 | /* arch-tag: bc797170-94ae-41de-86e3-75e20f8f7a39 | |
2231 | (do not change this comment) */ |