Commit | Line | Data |
---|---|---|
38010d50 | 1 | /* Lisp object printing and output streams. |
5845f63e | 2 | Copyright (C) 1985, 86, 88, 93, 94, 95, 97, 98, 1999, 2000, 2001 |
9dffd511 | 3 | Free Software Foundation, Inc. |
38010d50 JB |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
7 | GNU Emacs is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
4746118a | 9 | the Free Software Foundation; either version 2, or (at your option) |
38010d50 JB |
10 | any later version. |
11 | ||
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU Emacs; see the file COPYING. If not, write to | |
3b7ad313 EN |
19 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
20 | Boston, MA 02111-1307, USA. */ | |
38010d50 JB |
21 | |
22 | ||
18160b98 | 23 | #include <config.h> |
38010d50 | 24 | #include <stdio.h> |
38010d50 | 25 | #include "lisp.h" |
38010d50 | 26 | #include "buffer.h" |
087e3c46 | 27 | #include "charset.h" |
2538fae4 | 28 | #include "keyboard.h" |
0137dbf7 | 29 | #include "frame.h" |
38010d50 JB |
30 | #include "window.h" |
31 | #include "process.h" | |
32 | #include "dispextern.h" | |
33 | #include "termchar.h" | |
7651e1f5 | 34 | #include "intervals.h" |
7651e1f5 | 35 | |
38010d50 JB |
36 | Lisp_Object Vstandard_output, Qstandard_output; |
37 | ||
d9c21094 RS |
38 | Lisp_Object Qtemp_buffer_setup_hook; |
39 | ||
2f100b5c EN |
40 | /* These are used to print like we read. */ |
41 | extern Lisp_Object Qbackquote, Qcomma, Qcomma_at, Qcomma_dot, Qfunction; | |
42 | ||
38010d50 | 43 | Lisp_Object Vfloat_output_format, Qfloat_output_format; |
f356c3fb PE |
44 | |
45 | /* Work around a problem that happens because math.h on hpux 7 | |
46 | defines two static variables--which, in Emacs, are not really static, | |
47 | because `static' is defined as nothing. The problem is that they are | |
48 | defined both here and in lread.c. | |
49 | These macros prevent the name conflict. */ | |
50 | #if defined (HPUX) && !defined (HPUX8) | |
51 | #define _MAXLDBL print_maxldbl | |
52 | #define _NMAXLDBL print_nmaxldbl | |
53 | #endif | |
54 | ||
55 | #include <math.h> | |
56 | ||
57 | #if STDC_HEADERS | |
58 | #include <float.h> | |
f356c3fb PE |
59 | #endif |
60 | ||
61 | /* Default to values appropriate for IEEE floating point. */ | |
62 | #ifndef FLT_RADIX | |
63 | #define FLT_RADIX 2 | |
64 | #endif | |
65 | #ifndef DBL_MANT_DIG | |
66 | #define DBL_MANT_DIG 53 | |
67 | #endif | |
68 | #ifndef DBL_DIG | |
69 | #define DBL_DIG 15 | |
70 | #endif | |
b0a1044b PE |
71 | #ifndef DBL_MIN |
72 | #define DBL_MIN 2.2250738585072014e-308 | |
73 | #endif | |
74 | ||
75 | #ifdef DBL_MIN_REPLACEMENT | |
76 | #undef DBL_MIN | |
77 | #define DBL_MIN DBL_MIN_REPLACEMENT | |
78 | #endif | |
f356c3fb PE |
79 | |
80 | /* Define DOUBLE_DIGITS_BOUND, an upper bound on the number of decimal digits | |
81 | needed to express a float without losing information. | |
82 | The general-case formula is valid for the usual case, IEEE floating point, | |
83 | but many compilers can't optimize the formula to an integer constant, | |
84 | so make a special case for it. */ | |
85 | #if FLT_RADIX == 2 && DBL_MANT_DIG == 53 | |
86 | #define DOUBLE_DIGITS_BOUND 17 /* IEEE floating point */ | |
87 | #else | |
88 | #define DOUBLE_DIGITS_BOUND ((int) ceil (log10 (pow (FLT_RADIX, DBL_MANT_DIG)))) | |
89 | #endif | |
90 | ||
38010d50 JB |
91 | /* Avoid actual stack overflow in print. */ |
92 | int print_depth; | |
93 | ||
ec838c39 RS |
94 | /* Detect most circularities to print finite output. */ |
95 | #define PRINT_CIRCLE 200 | |
96 | Lisp_Object being_printed[PRINT_CIRCLE]; | |
97 | ||
6fec5601 RS |
98 | /* When printing into a buffer, first we put the text in this |
99 | block, then insert it all at once. */ | |
100 | char *print_buffer; | |
101 | ||
102 | /* Size allocated in print_buffer. */ | |
103 | int print_buffer_size; | |
dc2a0b79 | 104 | /* Chars stored in print_buffer. */ |
6fec5601 | 105 | int print_buffer_pos; |
dc2a0b79 RS |
106 | /* Bytes stored in print_buffer. */ |
107 | int print_buffer_pos_byte; | |
6fec5601 | 108 | |
38010d50 JB |
109 | /* Maximum length of list to print in full; noninteger means |
110 | effectively infinity */ | |
111 | ||
112 | Lisp_Object Vprint_length; | |
113 | ||
114 | /* Maximum depth of list to print in full; noninteger means | |
115 | effectively infinity. */ | |
116 | ||
117 | Lisp_Object Vprint_level; | |
118 | ||
119 | /* Nonzero means print newlines in strings as \n. */ | |
120 | ||
121 | int print_escape_newlines; | |
122 | ||
38940e93 RS |
123 | /* Nonzero means to print single-byte non-ascii characters in strings as |
124 | octal escapes. */ | |
125 | ||
126 | int print_escape_nonascii; | |
127 | ||
835d0be6 RS |
128 | /* Nonzero means to print multibyte characters in strings as hex escapes. */ |
129 | ||
130 | int print_escape_multibyte; | |
131 | ||
132 | Lisp_Object Qprint_escape_newlines; | |
133 | Lisp_Object Qprint_escape_multibyte, Qprint_escape_nonascii; | |
134 | ||
2f100b5c EN |
135 | /* Nonzero means print (quote foo) forms as 'foo, etc. */ |
136 | ||
137 | int print_quoted; | |
138 | ||
0f25ecc6 | 139 | /* Non-nil means print #: before uninterned symbols. */ |
081e0581 | 140 | |
e0f69431 | 141 | Lisp_Object Vprint_gensym; |
081e0581 | 142 | |
0f25ecc6 | 143 | /* Non-nil means print recursive structures using #n= and #n# syntax. */ |
081e0581 | 144 | |
0f25ecc6 RS |
145 | Lisp_Object Vprint_circle; |
146 | ||
147 | /* Non-nil means keep continuous number for #n= and #n# syntax | |
148 | between several print functions. */ | |
149 | ||
150 | Lisp_Object Vprint_continuous_numbering; | |
151 | ||
152 | /* Vprint_number_table is a vector like [OBJ1 STAT1 OBJ2 STAT2 ...], | |
153 | where OBJn are objects going to be printed, and STATn are their status, | |
154 | which may be different meanings during process. See the comments of | |
155 | the functions print and print_preprocess for details. | |
156 | print_number_index keeps the last position the next object should be added, | |
157 | twice of which is the actual vector position in Vprint_number_table. */ | |
158 | int print_number_index; | |
159 | Lisp_Object Vprint_number_table; | |
160 | ||
161 | /* PRINT_NUMBER_OBJECT returns the I'th object in Vprint_number_table TABLE. | |
162 | PRINT_NUMBER_STATUS returns the status of the I'th object in TABLE. | |
163 | See the comment of the variable Vprint_number_table. */ | |
164 | #define PRINT_NUMBER_OBJECT(table,i) XVECTOR ((table))->contents[(i) * 2] | |
165 | #define PRINT_NUMBER_STATUS(table,i) XVECTOR ((table))->contents[(i) * 2 + 1] | |
2f100b5c | 166 | |
5259c737 | 167 | /* Nonzero means print newline to stdout before next minibuffer message. |
38010d50 JB |
168 | Defined in xdisp.c */ |
169 | ||
170 | extern int noninteractive_need_newline; | |
5259c737 | 171 | |
aec2b95b RS |
172 | extern int minibuffer_auto_raise; |
173 | ||
38010d50 JB |
174 | #ifdef MAX_PRINT_CHARS |
175 | static int print_chars; | |
176 | static int max_print; | |
177 | #endif /* MAX_PRINT_CHARS */ | |
7651e1f5 RS |
178 | |
179 | void print_interval (); | |
38010d50 | 180 | |
38010d50 | 181 | \f |
eb8c3be9 | 182 | /* Low level output routines for characters and strings */ |
38010d50 JB |
183 | |
184 | /* Lisp functions to do output using a stream | |
081e0581 EN |
185 | must have the stream in a variable called printcharfun |
186 | and must start with PRINTPREPARE, end with PRINTFINISH, | |
187 | and use PRINTDECLARE to declare common variables. | |
188 | Use PRINTCHAR to output one character, | |
0788646c GM |
189 | or call strout to output a block of characters. */ |
190 | ||
191 | #define PRINTDECLARE \ | |
192 | struct buffer *old = current_buffer; \ | |
ee5263af GM |
193 | int old_point = -1, start_point = -1; \ |
194 | int old_point_byte = -1, start_point_byte = -1; \ | |
aed13378 | 195 | int specpdl_count = SPECPDL_INDEX (); \ |
0788646c GM |
196 | int free_print_buffer = 0; \ |
197 | int multibyte = !NILP (current_buffer->enable_multibyte_characters); \ | |
081e0581 EN |
198 | Lisp_Object original |
199 | ||
0788646c GM |
200 | #define PRINTPREPARE \ |
201 | original = printcharfun; \ | |
202 | if (NILP (printcharfun)) printcharfun = Qt; \ | |
203 | if (BUFFERP (printcharfun)) \ | |
204 | { \ | |
205 | if (XBUFFER (printcharfun) != current_buffer) \ | |
206 | Fset_buffer (printcharfun); \ | |
207 | printcharfun = Qnil; \ | |
208 | } \ | |
209 | if (MARKERP (printcharfun)) \ | |
210 | { \ | |
211 | if (!(XMARKER (original)->buffer)) \ | |
212 | error ("Marker does not point anywhere"); \ | |
213 | if (XMARKER (original)->buffer != current_buffer) \ | |
214 | set_buffer_internal (XMARKER (original)->buffer); \ | |
215 | old_point = PT; \ | |
216 | old_point_byte = PT_BYTE; \ | |
217 | SET_PT_BOTH (marker_position (printcharfun), \ | |
218 | marker_byte_position (printcharfun)); \ | |
219 | start_point = PT; \ | |
220 | start_point_byte = PT_BYTE; \ | |
221 | printcharfun = Qnil; \ | |
222 | } \ | |
223 | if (NILP (printcharfun)) \ | |
224 | { \ | |
225 | Lisp_Object string; \ | |
226 | if (NILP (current_buffer->enable_multibyte_characters) \ | |
227 | && ! print_escape_multibyte) \ | |
228 | specbind (Qprint_escape_multibyte, Qt); \ | |
d39f07c2 RS |
229 | if (! NILP (current_buffer->enable_multibyte_characters) \ |
230 | && ! print_escape_nonascii) \ | |
231 | specbind (Qprint_escape_nonascii, Qt); \ | |
0788646c GM |
232 | if (print_buffer != 0) \ |
233 | { \ | |
234 | string = make_string_from_bytes (print_buffer, \ | |
235 | print_buffer_pos, \ | |
236 | print_buffer_pos_byte); \ | |
237 | record_unwind_protect (print_unwind, string); \ | |
238 | } \ | |
239 | else \ | |
240 | { \ | |
241 | print_buffer_size = 1000; \ | |
242 | print_buffer = (char *) xmalloc (print_buffer_size); \ | |
243 | free_print_buffer = 1; \ | |
244 | } \ | |
245 | print_buffer_pos = 0; \ | |
246 | print_buffer_pos_byte = 0; \ | |
247 | } \ | |
5494b50f | 248 | if (EQ (printcharfun, Qt) && ! noninteractive) \ |
0f25ecc6 | 249 | setup_echo_area_for_printing (multibyte); |
38010d50 | 250 | |
8a2ab0c6 RS |
251 | #define PRINTFINISH \ |
252 | if (NILP (printcharfun)) \ | |
253 | { \ | |
254 | if (print_buffer_pos != print_buffer_pos_byte \ | |
255 | && NILP (current_buffer->enable_multibyte_characters)) \ | |
256 | { \ | |
257 | unsigned char *temp \ | |
258 | = (unsigned char *) alloca (print_buffer_pos + 1); \ | |
259 | copy_text (print_buffer, temp, print_buffer_pos_byte, \ | |
260 | 1, 0); \ | |
261 | insert_1_both (temp, print_buffer_pos, \ | |
262 | print_buffer_pos, 0, 1, 0); \ | |
263 | } \ | |
264 | else \ | |
265 | insert_1_both (print_buffer, print_buffer_pos, \ | |
266 | print_buffer_pos_byte, 0, 1, 0); \ | |
267 | } \ | |
268 | if (free_print_buffer) \ | |
269 | { \ | |
270 | xfree (print_buffer); \ | |
271 | print_buffer = 0; \ | |
272 | } \ | |
273 | unbind_to (specpdl_count, Qnil); \ | |
274 | if (MARKERP (original)) \ | |
275 | set_marker_both (original, Qnil, PT, PT_BYTE); \ | |
276 | if (old_point >= 0) \ | |
277 | SET_PT_BOTH (old_point + (old_point >= start_point \ | |
278 | ? PT - start_point : 0), \ | |
6ddd6eee RS |
279 | old_point_byte + (old_point_byte >= start_point_byte \ |
280 | ? PT_BYTE - start_point_byte : 0)); \ | |
8a2ab0c6 | 281 | if (old != current_buffer) \ |
0f25ecc6 | 282 | set_buffer_internal (old); |
38010d50 JB |
283 | |
284 | #define PRINTCHAR(ch) printchar (ch, printcharfun) | |
285 | ||
08e8d297 RS |
286 | /* This is used to restore the saved contents of print_buffer |
287 | when there is a recursive call to print. */ | |
0788646c | 288 | |
08e8d297 RS |
289 | static Lisp_Object |
290 | print_unwind (saved_text) | |
291 | Lisp_Object saved_text; | |
292 | { | |
d5db4077 | 293 | bcopy (SDATA (saved_text), print_buffer, SCHARS (saved_text)); |
ee5263af | 294 | return Qnil; |
08e8d297 RS |
295 | } |
296 | ||
0788646c GM |
297 | |
298 | /* Print character CH using method FUN. FUN nil means print to | |
299 | print_buffer. FUN t means print to echo area or stdout if | |
300 | non-interactive. If FUN is neither nil nor t, call FUN with CH as | |
301 | argument. */ | |
38010d50 JB |
302 | |
303 | static void | |
304 | printchar (ch, fun) | |
087e3c46 | 305 | unsigned int ch; |
38010d50 JB |
306 | Lisp_Object fun; |
307 | { | |
38010d50 JB |
308 | #ifdef MAX_PRINT_CHARS |
309 | if (max_print) | |
310 | print_chars++; | |
311 | #endif /* MAX_PRINT_CHARS */ | |
38010d50 | 312 | |
0788646c GM |
313 | if (!NILP (fun) && !EQ (fun, Qt)) |
314 | call1 (fun, make_number (ch)); | |
315 | else | |
38010d50 | 316 | { |
19a86a03 KH |
317 | unsigned char str[MAX_MULTIBYTE_LENGTH]; |
318 | int len = CHAR_STRING (ch, str); | |
319 | ||
09eddb56 | 320 | QUIT; |
0788646c GM |
321 | |
322 | if (NILP (fun)) | |
9a4d01d8 | 323 | { |
0788646c GM |
324 | if (print_buffer_pos_byte + len >= print_buffer_size) |
325 | print_buffer = (char *) xrealloc (print_buffer, | |
326 | print_buffer_size *= 2); | |
327 | bcopy (str, print_buffer + print_buffer_pos_byte, len); | |
328 | print_buffer_pos += 1; | |
329 | print_buffer_pos_byte += len; | |
9a4d01d8 | 330 | } |
0788646c | 331 | else if (noninteractive) |
1134b854 | 332 | { |
0788646c GM |
333 | fwrite (str, 1, len, stdout); |
334 | noninteractive_need_newline = 1; | |
1134b854 | 335 | } |
0788646c | 336 | else |
d366d2e4 | 337 | { |
0788646c GM |
338 | int multibyte_p |
339 | = !NILP (current_buffer->enable_multibyte_characters); | |
340 | ||
eb7b678b | 341 | setup_echo_area_for_printing (multibyte_p); |
0788646c GM |
342 | insert_char (ch); |
343 | message_dolog (str, len, 0, multibyte_p); | |
d366d2e4 | 344 | } |
38010d50 | 345 | } |
38010d50 JB |
346 | } |
347 | ||
0788646c GM |
348 | |
349 | /* Output SIZE characters, SIZE_BYTE bytes from string PTR using | |
350 | method PRINTCHARFUN. If SIZE < 0, use the string length of PTR for | |
351 | both SIZE and SIZE_BYTE. PRINTCHARFUN nil means output to | |
352 | print_buffer. PRINTCHARFUN t means output to the echo area or to | |
353 | stdout if non-interactive. If neither nil nor t, call Lisp | |
354 | function PRINTCHARFUN for each character printed. MULTIBYTE | |
355 | non-zero means PTR contains multibyte characters. */ | |
356 | ||
38010d50 | 357 | static void |
dc2a0b79 | 358 | strout (ptr, size, size_byte, printcharfun, multibyte) |
38010d50 | 359 | char *ptr; |
dc2a0b79 | 360 | int size, size_byte; |
38010d50 | 361 | Lisp_Object printcharfun; |
dc2a0b79 | 362 | int multibyte; |
38010d50 | 363 | { |
087e3c46 | 364 | if (size < 0) |
dc2a0b79 | 365 | size_byte = size = strlen (ptr); |
087e3c46 | 366 | |
0788646c | 367 | if (NILP (printcharfun)) |
38010d50 | 368 | { |
dc2a0b79 | 369 | if (print_buffer_pos_byte + size_byte > print_buffer_size) |
6fec5601 | 370 | { |
dc2a0b79 | 371 | print_buffer_size = print_buffer_size * 2 + size_byte; |
6fec5601 RS |
372 | print_buffer = (char *) xrealloc (print_buffer, |
373 | print_buffer_size); | |
374 | } | |
dc2a0b79 | 375 | bcopy (ptr, print_buffer + print_buffer_pos_byte, size_byte); |
6fec5601 | 376 | print_buffer_pos += size; |
dc2a0b79 | 377 | print_buffer_pos_byte += size_byte; |
6fec5601 | 378 | |
38010d50 JB |
379 | #ifdef MAX_PRINT_CHARS |
380 | if (max_print) | |
6fec5601 | 381 | print_chars += size; |
38010d50 | 382 | #endif /* MAX_PRINT_CHARS */ |
38010d50 | 383 | } |
7b0cb8a0 | 384 | else if (noninteractive && EQ (printcharfun, Qt)) |
38010d50 | 385 | { |
0788646c GM |
386 | fwrite (ptr, 1, size_byte, stdout); |
387 | noninteractive_need_newline = 1; | |
388 | } | |
389 | else if (EQ (printcharfun, Qt)) | |
390 | { | |
391 | /* Output to echo area. We're trying to avoid a little overhead | |
392 | here, that's the reason we don't call printchar to do the | |
393 | job. */ | |
394 | int i; | |
395 | int multibyte_p | |
396 | = !NILP (current_buffer->enable_multibyte_characters); | |
397 | ||
eb7b678b | 398 | setup_echo_area_for_printing (multibyte_p); |
0788646c GM |
399 | message_dolog (ptr, size_byte, 0, multibyte_p); |
400 | ||
401 | if (size == size_byte) | |
38010d50 | 402 | { |
0788646c | 403 | for (i = 0; i < size; ++i) |
ada329e6 | 404 | insert_char ((unsigned char )*ptr++); |
38010d50 | 405 | } |
0788646c | 406 | else |
38010d50 | 407 | { |
0788646c GM |
408 | int len; |
409 | for (i = 0; i < size_byte; i += len) | |
aec2b95b | 410 | { |
0788646c GM |
411 | int ch = STRING_CHAR_AND_LENGTH (ptr + i, size_byte - i, len); |
412 | insert_char (ch); | |
aec2b95b | 413 | } |
38010d50 | 414 | } |
0788646c GM |
415 | |
416 | #ifdef MAX_PRINT_CHARS | |
417 | if (max_print) | |
418 | print_chars += size; | |
419 | #endif /* MAX_PRINT_CHARS */ | |
420 | } | |
421 | else | |
422 | { | |
423 | /* PRINTCHARFUN is a Lisp function. */ | |
424 | int i = 0; | |
38010d50 | 425 | |
0788646c | 426 | if (size == size_byte) |
4ad8bb20 | 427 | { |
0788646c | 428 | while (i < size_byte) |
4ad8bb20 | 429 | { |
0788646c GM |
430 | int ch = ptr[i++]; |
431 | PRINTCHAR (ch); | |
4ad8bb20 | 432 | } |
4ad8bb20 | 433 | } |
0788646c | 434 | else |
087e3c46 | 435 | { |
0788646c GM |
436 | while (i < size_byte) |
437 | { | |
438 | /* Here, we must convert each multi-byte form to the | |
439 | corresponding character code before handing it to | |
440 | PRINTCHAR. */ | |
441 | int len; | |
442 | int ch = STRING_CHAR_AND_LENGTH (ptr + i, size_byte - i, len); | |
443 | PRINTCHAR (ch); | |
444 | i += len; | |
445 | } | |
087e3c46 | 446 | } |
38010d50 | 447 | } |
38010d50 JB |
448 | } |
449 | ||
450 | /* Print the contents of a string STRING using PRINTCHARFUN. | |
ed2c35ef RS |
451 | It isn't safe to use strout in many cases, |
452 | because printing one char can relocate. */ | |
38010d50 | 453 | |
dc2a0b79 | 454 | static void |
38010d50 JB |
455 | print_string (string, printcharfun) |
456 | Lisp_Object string; | |
457 | Lisp_Object printcharfun; | |
458 | { | |
6fec5601 | 459 | if (EQ (printcharfun, Qt) || NILP (printcharfun)) |
375fcc09 KH |
460 | { |
461 | int chars; | |
462 | ||
463 | if (STRING_MULTIBYTE (string)) | |
d5db4077 | 464 | chars = SCHARS (string); |
375fcc09 KH |
465 | else if (EQ (printcharfun, Qt) |
466 | ? ! NILP (buffer_defaults.enable_multibyte_characters) | |
467 | : ! NILP (current_buffer->enable_multibyte_characters)) | |
a76ef35d KH |
468 | { |
469 | /* If unibyte string STRING contains 8-bit codes, we must | |
470 | convert STRING to a multibyte string containing the same | |
471 | character codes. */ | |
472 | Lisp_Object newstr; | |
473 | int bytes; | |
474 | ||
d5db4077 KR |
475 | chars = SBYTES (string); |
476 | bytes = parse_str_to_multibyte (SDATA (string), chars); | |
a76ef35d KH |
477 | if (chars < bytes) |
478 | { | |
479 | newstr = make_uninit_multibyte_string (chars, bytes); | |
d5db4077 KR |
480 | bcopy (SDATA (string), SDATA (newstr), chars); |
481 | str_to_multibyte (SDATA (newstr), bytes, chars); | |
a76ef35d KH |
482 | string = newstr; |
483 | } | |
484 | } | |
375fcc09 | 485 | else |
d5db4077 | 486 | chars = SBYTES (string); |
375fcc09 KH |
487 | |
488 | /* strout is safe for output to a frame (echo area) or to print_buffer. */ | |
d5db4077 KR |
489 | strout (SDATA (string), |
490 | chars, SBYTES (string), | |
375fcc09 KH |
491 | printcharfun, STRING_MULTIBYTE (string)); |
492 | } | |
38010d50 JB |
493 | else |
494 | { | |
dc2a0b79 RS |
495 | /* Otherwise, string may be relocated by printing one char. |
496 | So re-fetch the string address for each character. */ | |
38010d50 | 497 | int i; |
d5db4077 KR |
498 | int size = SCHARS (string); |
499 | int size_byte = SBYTES (string); | |
38010d50 JB |
500 | struct gcpro gcpro1; |
501 | GCPRO1 (string); | |
dc2a0b79 RS |
502 | if (size == size_byte) |
503 | for (i = 0; i < size; i++) | |
d5db4077 | 504 | PRINTCHAR (SREF (string, i)); |
dc2a0b79 RS |
505 | else |
506 | for (i = 0; i < size_byte; i++) | |
507 | { | |
508 | /* Here, we must convert each multi-byte form to the | |
509 | corresponding character code before handing it to PRINTCHAR. */ | |
510 | int len; | |
d5db4077 | 511 | int ch = STRING_CHAR_AND_LENGTH (SDATA (string) + i, |
765fe1d0 | 512 | size_byte - i, len); |
da1ad4e7 KH |
513 | if (!CHAR_VALID_P (ch, 0)) |
514 | { | |
d5db4077 | 515 | ch = SREF (string, i); |
da1ad4e7 KH |
516 | len = 1; |
517 | } | |
dc2a0b79 RS |
518 | PRINTCHAR (ch); |
519 | i += len; | |
520 | } | |
38010d50 JB |
521 | UNGCPRO; |
522 | } | |
523 | } | |
524 | \f | |
525 | DEFUN ("write-char", Fwrite_char, Swrite_char, 1, 2, 0, | |
8c1a1077 PJ |
526 | doc: /* Output character CHARACTER to stream PRINTCHARFUN. |
527 | PRINTCHARFUN defaults to the value of `standard-output' (which see). */) | |
528 | (character, printcharfun) | |
3738a371 | 529 | Lisp_Object character, printcharfun; |
38010d50 | 530 | { |
081e0581 | 531 | PRINTDECLARE; |
38010d50 | 532 | |
10eebdbb | 533 | if (NILP (printcharfun)) |
38010d50 | 534 | printcharfun = Vstandard_output; |
b7826503 | 535 | CHECK_NUMBER (character); |
38010d50 | 536 | PRINTPREPARE; |
3738a371 | 537 | PRINTCHAR (XINT (character)); |
38010d50 | 538 | PRINTFINISH; |
3738a371 | 539 | return character; |
38010d50 JB |
540 | } |
541 | ||
dc2a0b79 RS |
542 | /* Used from outside of print.c to print a block of SIZE |
543 | single-byte chars at DATA on the default output stream. | |
38010d50 JB |
544 | Do not use this on the contents of a Lisp string. */ |
545 | ||
dc22f25e | 546 | void |
38010d50 JB |
547 | write_string (data, size) |
548 | char *data; | |
549 | int size; | |
550 | { | |
081e0581 | 551 | PRINTDECLARE; |
38010d50 | 552 | Lisp_Object printcharfun; |
38010d50 JB |
553 | |
554 | printcharfun = Vstandard_output; | |
555 | ||
556 | PRINTPREPARE; | |
dc2a0b79 | 557 | strout (data, size, size, printcharfun, 0); |
38010d50 JB |
558 | PRINTFINISH; |
559 | } | |
560 | ||
dc2a0b79 RS |
561 | /* Used from outside of print.c to print a block of SIZE |
562 | single-byte chars at DATA on a specified stream PRINTCHARFUN. | |
38010d50 JB |
563 | Do not use this on the contents of a Lisp string. */ |
564 | ||
dc22f25e | 565 | void |
38010d50 JB |
566 | write_string_1 (data, size, printcharfun) |
567 | char *data; | |
568 | int size; | |
569 | Lisp_Object printcharfun; | |
570 | { | |
081e0581 | 571 | PRINTDECLARE; |
38010d50 JB |
572 | |
573 | PRINTPREPARE; | |
dc2a0b79 | 574 | strout (data, size, size, printcharfun, 0); |
38010d50 JB |
575 | PRINTFINISH; |
576 | } | |
577 | ||
578 | ||
38010d50 JB |
579 | void |
580 | temp_output_buffer_setup (bufname) | |
3f7e390a | 581 | const char *bufname; |
38010d50 | 582 | { |
aed13378 | 583 | int count = SPECPDL_INDEX (); |
38010d50 JB |
584 | register struct buffer *old = current_buffer; |
585 | register Lisp_Object buf; | |
586 | ||
d9c21094 RS |
587 | record_unwind_protect (set_buffer_if_live, Fcurrent_buffer ()); |
588 | ||
38010d50 JB |
589 | Fset_buffer (Fget_buffer_create (build_string (bufname))); |
590 | ||
9756ea0f | 591 | Fkill_all_local_variables (); |
2a1c968a | 592 | current_buffer->directory = old->directory; |
38010d50 | 593 | current_buffer->read_only = Qnil; |
c5c6d57c KH |
594 | current_buffer->filename = Qnil; |
595 | current_buffer->undo_list = Qt; | |
596 | current_buffer->overlays_before = Qnil; | |
597 | current_buffer->overlays_after = Qnil; | |
598 | current_buffer->enable_multibyte_characters | |
599 | = buffer_defaults.enable_multibyte_characters; | |
38010d50 | 600 | Ferase_buffer (); |
633307b5 | 601 | XSETBUFFER (buf, current_buffer); |
38010d50 | 602 | |
98040cf1 | 603 | Frun_hooks (1, &Qtemp_buffer_setup_hook); |
d9c21094 RS |
604 | |
605 | unbind_to (count, Qnil); | |
606 | ||
607 | specbind (Qstandard_output, buf); | |
38010d50 JB |
608 | } |
609 | ||
610 | Lisp_Object | |
611 | internal_with_output_to_temp_buffer (bufname, function, args) | |
3f7e390a | 612 | const char *bufname; |
dfcf069d | 613 | Lisp_Object (*function) P_ ((Lisp_Object)); |
38010d50 JB |
614 | Lisp_Object args; |
615 | { | |
aed13378 | 616 | int count = SPECPDL_INDEX (); |
38010d50 | 617 | Lisp_Object buf, val; |
0ab39c81 | 618 | struct gcpro gcpro1; |
38010d50 | 619 | |
0ab39c81 | 620 | GCPRO1 (args); |
38010d50 JB |
621 | record_unwind_protect (Fset_buffer, Fcurrent_buffer ()); |
622 | temp_output_buffer_setup (bufname); | |
623 | buf = Vstandard_output; | |
0ab39c81 | 624 | UNGCPRO; |
38010d50 JB |
625 | |
626 | val = (*function) (args); | |
627 | ||
0ab39c81 | 628 | GCPRO1 (val); |
38010d50 | 629 | temp_output_buffer_show (buf); |
0ab39c81 | 630 | UNGCPRO; |
38010d50 JB |
631 | |
632 | return unbind_to (count, val); | |
633 | } | |
634 | ||
ab9ffd19 MB |
635 | DEFUN ("with-output-to-temp-buffer", |
636 | Fwith_output_to_temp_buffer, Swith_output_to_temp_buffer, | |
38010d50 | 637 | 1, UNEVALLED, 0, |
8c1a1077 PJ |
638 | doc: /* Bind `standard-output' to buffer BUFNAME, eval BODY, then show that buffer. |
639 | The buffer is cleared out initially, and marked as unmodified when done. | |
640 | All output done by BODY is inserted in that buffer by default. | |
641 | The buffer is displayed in another window, but not selected. | |
642 | The value of the last form in BODY is returned. | |
643 | If BODY does not finish normally, the buffer BUFNAME is not displayed. | |
644 | ||
645 | The hook `temp-buffer-setup-hook' is run before BODY, | |
646 | with the buffer BUFNAME temporarily current. | |
647 | The hook `temp-buffer-show-hook' is run after the buffer is displayed, | |
648 | with the buffer temporarily current, and the window that was used | |
649 | to display it temporarily selected. | |
650 | ||
651 | If variable `temp-buffer-show-function' is non-nil, call it at the end | |
652 | to get the buffer displayed instead of just displaying the non-selected | |
ab9ffd19 MB |
653 | buffer and calling the hook. It gets one argument, the buffer to display. |
654 | ||
655 | usage: (with-output-to-temp-buffer BUFFNAME BODY ...) */) | |
8c1a1077 | 656 | (args) |
38010d50 JB |
657 | Lisp_Object args; |
658 | { | |
659 | struct gcpro gcpro1; | |
660 | Lisp_Object name; | |
aed13378 | 661 | int count = SPECPDL_INDEX (); |
38010d50 JB |
662 | Lisp_Object buf, val; |
663 | ||
664 | GCPRO1(args); | |
665 | name = Feval (Fcar (args)); | |
b7826503 | 666 | CHECK_STRING (name); |
d5db4077 | 667 | temp_output_buffer_setup (SDATA (name)); |
38010d50 | 668 | buf = Vstandard_output; |
8bbfc258 | 669 | UNGCPRO; |
38010d50 | 670 | |
8bbfc258 | 671 | val = Fprogn (XCDR (args)); |
38010d50 | 672 | |
8bbfc258 | 673 | GCPRO1 (val); |
38010d50 | 674 | temp_output_buffer_show (buf); |
8bbfc258 | 675 | UNGCPRO; |
38010d50 JB |
676 | |
677 | return unbind_to (count, val); | |
678 | } | |
0788646c | 679 | |
38010d50 JB |
680 | \f |
681 | static void print (); | |
0f25ecc6 | 682 | static void print_preprocess (); |
0f25ecc6 | 683 | static void print_preprocess_string (); |
0f25ecc6 | 684 | static void print_object (); |
38010d50 JB |
685 | |
686 | DEFUN ("terpri", Fterpri, Sterpri, 0, 1, 0, | |
8c1a1077 PJ |
687 | doc: /* Output a newline to stream PRINTCHARFUN. |
688 | If PRINTCHARFUN is omitted or nil, the value of `standard-output' is used. */) | |
38010d50 JB |
689 | (printcharfun) |
690 | Lisp_Object printcharfun; | |
691 | { | |
081e0581 | 692 | PRINTDECLARE; |
38010d50 | 693 | |
10eebdbb | 694 | if (NILP (printcharfun)) |
38010d50 JB |
695 | printcharfun = Vstandard_output; |
696 | PRINTPREPARE; | |
697 | PRINTCHAR ('\n'); | |
698 | PRINTFINISH; | |
699 | return Qt; | |
700 | } | |
701 | ||
702 | DEFUN ("prin1", Fprin1, Sprin1, 1, 2, 0, | |
8c1a1077 PJ |
703 | doc: /* Output the printed representation of OBJECT, any Lisp object. |
704 | Quoting characters are printed when needed to make output that `read' | |
9474c847 | 705 | can handle, whenever this is possible. For complex objects, the behavior |
7fab9223 | 706 | is controlled by `print-level' and `print-length', which see. |
8c1a1077 PJ |
707 | |
708 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
709 | a list, a buffer, a window, a frame, etc. | |
710 | ||
711 | A printed representation of an object is text which describes that object. | |
712 | ||
713 | Optional argument PRINTCHARFUN is the output stream, which can be one | |
714 | of these: | |
715 | ||
716 | - a buffer, in which case output is inserted into that buffer at point; | |
717 | - a marker, in which case output is inserted at marker's position; | |
718 | - a function, in which case that function is called once for each | |
719 | character of OBJECT's printed representation; | |
720 | - a symbol, in which case that symbol's function definition is called; or | |
721 | - t, in which case the output is displayed in the echo area. | |
722 | ||
723 | If PRINTCHARFUN is omitted, the value of `standard-output' (which see) | |
724 | is used instead. */) | |
725 | (object, printcharfun) | |
3738a371 | 726 | Lisp_Object object, printcharfun; |
38010d50 | 727 | { |
081e0581 | 728 | PRINTDECLARE; |
38010d50 JB |
729 | |
730 | #ifdef MAX_PRINT_CHARS | |
731 | max_print = 0; | |
732 | #endif /* MAX_PRINT_CHARS */ | |
10eebdbb | 733 | if (NILP (printcharfun)) |
38010d50 JB |
734 | printcharfun = Vstandard_output; |
735 | PRINTPREPARE; | |
3738a371 | 736 | print (object, printcharfun, 1); |
38010d50 | 737 | PRINTFINISH; |
3738a371 | 738 | return object; |
38010d50 JB |
739 | } |
740 | ||
741 | /* a buffer which is used to hold output being built by prin1-to-string */ | |
742 | Lisp_Object Vprin1_to_string_buffer; | |
743 | ||
744 | DEFUN ("prin1-to-string", Fprin1_to_string, Sprin1_to_string, 1, 2, 0, | |
fd4d156b RS |
745 | doc: /* Return a string containing the printed representation of OBJECT. |
746 | OBJECT can be any Lisp object. This function outputs quoting characters | |
cf393f9b | 747 | when necessary to make output that `read' can handle, whenever possible, |
fd4d156b | 748 | unless the optional second argument NOESCAPE is non-nil. |
8c1a1077 PJ |
749 | |
750 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
751 | a list, a buffer, a window, a frame, etc. | |
752 | ||
753 | A printed representation of an object is text which describes that object. */) | |
754 | (object, noescape) | |
3738a371 | 755 | Lisp_Object object, noescape; |
38010d50 | 756 | { |
081e0581 EN |
757 | PRINTDECLARE; |
758 | Lisp_Object printcharfun; | |
2a42e8f6 KH |
759 | struct gcpro gcpro1, gcpro2; |
760 | Lisp_Object tem; | |
761 | ||
762 | /* Save and restore this--we are altering a buffer | |
763 | but we don't want to deactivate the mark just for that. | |
764 | No need for specbind, since errors deactivate the mark. */ | |
765 | tem = Vdeactivate_mark; | |
766 | GCPRO2 (object, tem); | |
38010d50 JB |
767 | |
768 | printcharfun = Vprin1_to_string_buffer; | |
769 | PRINTPREPARE; | |
3738a371 | 770 | print (object, printcharfun, NILP (noescape)); |
38010d50 JB |
771 | /* Make Vprin1_to_string_buffer be the default buffer after PRINTFINSH */ |
772 | PRINTFINISH; | |
773 | set_buffer_internal (XBUFFER (Vprin1_to_string_buffer)); | |
3738a371 | 774 | object = Fbuffer_string (); |
38010d50 | 775 | |
38010d50 JB |
776 | Ferase_buffer (); |
777 | set_buffer_internal (old); | |
2a42e8f6 KH |
778 | |
779 | Vdeactivate_mark = tem; | |
38010d50 JB |
780 | UNGCPRO; |
781 | ||
3738a371 | 782 | return object; |
38010d50 JB |
783 | } |
784 | ||
785 | DEFUN ("princ", Fprinc, Sprinc, 1, 2, 0, | |
8c1a1077 PJ |
786 | doc: /* Output the printed representation of OBJECT, any Lisp object. |
787 | No quoting characters are used; no delimiters are printed around | |
788 | the contents of strings. | |
789 | ||
790 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
791 | a list, a buffer, a window, a frame, etc. | |
792 | ||
793 | A printed representation of an object is text which describes that object. | |
794 | ||
795 | Optional argument PRINTCHARFUN is the output stream, which can be one | |
796 | of these: | |
797 | ||
798 | - a buffer, in which case output is inserted into that buffer at point; | |
799 | - a marker, in which case output is inserted at marker's position; | |
800 | - a function, in which case that function is called once for each | |
801 | character of OBJECT's printed representation; | |
802 | - a symbol, in which case that symbol's function definition is called; or | |
803 | - t, in which case the output is displayed in the echo area. | |
804 | ||
805 | If PRINTCHARFUN is omitted, the value of `standard-output' (which see) | |
806 | is used instead. */) | |
807 | (object, printcharfun) | |
3738a371 | 808 | Lisp_Object object, printcharfun; |
38010d50 | 809 | { |
081e0581 | 810 | PRINTDECLARE; |
38010d50 | 811 | |
10eebdbb | 812 | if (NILP (printcharfun)) |
38010d50 JB |
813 | printcharfun = Vstandard_output; |
814 | PRINTPREPARE; | |
3738a371 | 815 | print (object, printcharfun, 0); |
38010d50 | 816 | PRINTFINISH; |
3738a371 | 817 | return object; |
38010d50 JB |
818 | } |
819 | ||
820 | DEFUN ("print", Fprint, Sprint, 1, 2, 0, | |
8c1a1077 PJ |
821 | doc: /* Output the printed representation of OBJECT, with newlines around it. |
822 | Quoting characters are printed when needed to make output that `read' | |
9474c847 | 823 | can handle, whenever this is possible. For complex objects, the behavior |
7fab9223 | 824 | is controlled by `print-level' and `print-length', which see. |
8c1a1077 PJ |
825 | |
826 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
827 | a list, a buffer, a window, a frame, etc. | |
828 | ||
829 | A printed representation of an object is text which describes that object. | |
830 | ||
831 | Optional argument PRINTCHARFUN is the output stream, which can be one | |
832 | of these: | |
833 | ||
834 | - a buffer, in which case output is inserted into that buffer at point; | |
835 | - a marker, in which case output is inserted at marker's position; | |
836 | - a function, in which case that function is called once for each | |
837 | character of OBJECT's printed representation; | |
838 | - a symbol, in which case that symbol's function definition is called; or | |
839 | - t, in which case the output is displayed in the echo area. | |
840 | ||
841 | If PRINTCHARFUN is omitted, the value of `standard-output' (which see) | |
842 | is used instead. */) | |
843 | (object, printcharfun) | |
3738a371 | 844 | Lisp_Object object, printcharfun; |
38010d50 | 845 | { |
081e0581 | 846 | PRINTDECLARE; |
38010d50 JB |
847 | struct gcpro gcpro1; |
848 | ||
849 | #ifdef MAX_PRINT_CHARS | |
850 | print_chars = 0; | |
851 | max_print = MAX_PRINT_CHARS; | |
852 | #endif /* MAX_PRINT_CHARS */ | |
10eebdbb | 853 | if (NILP (printcharfun)) |
38010d50 | 854 | printcharfun = Vstandard_output; |
3738a371 | 855 | GCPRO1 (object); |
38010d50 | 856 | PRINTPREPARE; |
38010d50 | 857 | PRINTCHAR ('\n'); |
3738a371 | 858 | print (object, printcharfun, 1); |
38010d50 JB |
859 | PRINTCHAR ('\n'); |
860 | PRINTFINISH; | |
861 | #ifdef MAX_PRINT_CHARS | |
862 | max_print = 0; | |
863 | print_chars = 0; | |
864 | #endif /* MAX_PRINT_CHARS */ | |
865 | UNGCPRO; | |
3738a371 | 866 | return object; |
38010d50 JB |
867 | } |
868 | ||
869 | /* The subroutine object for external-debugging-output is kept here | |
870 | for the convenience of the debugger. */ | |
871 | Lisp_Object Qexternal_debugging_output; | |
872 | ||
4746118a | 873 | DEFUN ("external-debugging-output", Fexternal_debugging_output, Sexternal_debugging_output, 1, 1, 0, |
8c1a1077 PJ |
874 | doc: /* Write CHARACTER to stderr. |
875 | You can call print while debugging emacs, and pass it this function | |
876 | to make it write to the debugging output. */) | |
877 | (character) | |
4746118a | 878 | Lisp_Object character; |
38010d50 | 879 | { |
b7826503 | 880 | CHECK_NUMBER (character); |
38010d50 | 881 | putc (XINT (character), stderr); |
cd22039d RS |
882 | |
883 | #ifdef WINDOWSNT | |
884 | /* Send the output to a debugger (nothing happens if there isn't one). */ | |
885 | { | |
886 | char buf[2] = {(char) XINT (character), '\0'}; | |
887 | OutputDebugString (buf); | |
888 | } | |
889 | #endif | |
890 | ||
38010d50 JB |
891 | return character; |
892 | } | |
cf1bb91b RS |
893 | |
894 | /* This is the interface for debugging printing. */ | |
895 | ||
896 | void | |
897 | debug_print (arg) | |
898 | Lisp_Object arg; | |
899 | { | |
900 | Fprin1 (arg, Qexternal_debugging_output); | |
3684eb78 | 901 | fprintf (stderr, "\r\n"); |
cf1bb91b | 902 | } |
38010d50 | 903 | \f |
113620cc KH |
904 | DEFUN ("error-message-string", Ferror_message_string, Serror_message_string, |
905 | 1, 1, 0, | |
8c1a1077 PJ |
906 | doc: /* Convert an error value (ERROR-SYMBOL . DATA) to an error message. */) |
907 | (obj) | |
113620cc KH |
908 | Lisp_Object obj; |
909 | { | |
910 | struct buffer *old = current_buffer; | |
63fbf4ff | 911 | Lisp_Object value; |
113620cc KH |
912 | struct gcpro gcpro1; |
913 | ||
0872e11f RS |
914 | /* If OBJ is (error STRING), just return STRING. |
915 | That is not only faster, it also avoids the need to allocate | |
916 | space here when the error is due to memory full. */ | |
94b342ce KR |
917 | if (CONSP (obj) && EQ (XCAR (obj), Qerror) |
918 | && CONSP (XCDR (obj)) | |
919 | && STRINGP (XCAR (XCDR (obj))) | |
920 | && NILP (XCDR (XCDR (obj)))) | |
921 | return XCAR (XCDR (obj)); | |
0872e11f | 922 | |
240e806c | 923 | print_error_message (obj, Vprin1_to_string_buffer, 0, Qnil); |
113620cc KH |
924 | |
925 | set_buffer_internal (XBUFFER (Vprin1_to_string_buffer)); | |
926 | value = Fbuffer_string (); | |
927 | ||
928 | GCPRO1 (value); | |
929 | Ferase_buffer (); | |
930 | set_buffer_internal (old); | |
931 | UNGCPRO; | |
932 | ||
933 | return value; | |
934 | } | |
935 | ||
c02279de GM |
936 | /* Print an error message for the error DATA onto Lisp output stream |
937 | STREAM (suitable for the print functions). */ | |
113620cc | 938 | |
dc22f25e | 939 | void |
240e806c | 940 | print_error_message (data, stream, context, caller) |
113620cc | 941 | Lisp_Object data, stream; |
240e806c RS |
942 | char *context; |
943 | Lisp_Object caller; | |
113620cc KH |
944 | { |
945 | Lisp_Object errname, errmsg, file_error, tail; | |
946 | struct gcpro gcpro1; | |
947 | int i; | |
948 | ||
240e806c RS |
949 | if (context != 0) |
950 | write_string_1 (context, -1, stream); | |
951 | ||
952 | /* If we know from where the error was signaled, show it in | |
953 | *Messages*. */ | |
954 | if (!NILP (caller) && SYMBOLP (caller)) | |
955 | { | |
956 | const char *name = SDATA (SYMBOL_NAME (caller)); | |
957 | message_dolog (name, strlen (name), 0, 0); | |
958 | message_dolog (": ", 2, 0, 0); | |
959 | } | |
960 | ||
113620cc KH |
961 | errname = Fcar (data); |
962 | ||
963 | if (EQ (errname, Qerror)) | |
964 | { | |
965 | data = Fcdr (data); | |
c02279de GM |
966 | if (!CONSP (data)) |
967 | data = Qnil; | |
113620cc KH |
968 | errmsg = Fcar (data); |
969 | file_error = Qnil; | |
970 | } | |
971 | else | |
972 | { | |
c02279de | 973 | Lisp_Object error_conditions; |
113620cc | 974 | errmsg = Fget (errname, Qerror_message); |
c02279de GM |
975 | error_conditions = Fget (errname, Qerror_conditions); |
976 | file_error = Fmemq (Qfile_error, error_conditions); | |
113620cc KH |
977 | } |
978 | ||
979 | /* Print an error message including the data items. */ | |
980 | ||
981 | tail = Fcdr_safe (data); | |
982 | GCPRO1 (tail); | |
983 | ||
984 | /* For file-error, make error message by concatenating | |
985 | all the data items. They are all strings. */ | |
8c29413d | 986 | if (!NILP (file_error) && CONSP (tail)) |
94b342ce | 987 | errmsg = XCAR (tail), tail = XCDR (tail); |
113620cc KH |
988 | |
989 | if (STRINGP (errmsg)) | |
990 | Fprinc (errmsg, stream); | |
991 | else | |
992 | write_string_1 ("peculiar error", -1, stream); | |
993 | ||
c02279de | 994 | for (i = 0; CONSP (tail); tail = XCDR (tail), i++) |
113620cc | 995 | { |
c02279de GM |
996 | Lisp_Object obj; |
997 | ||
113620cc | 998 | write_string_1 (i ? ", " : ": ", 2, stream); |
c02279de GM |
999 | obj = XCAR (tail); |
1000 | if (!NILP (file_error) || EQ (errname, Qend_of_file)) | |
1001 | Fprinc (obj, stream); | |
113620cc | 1002 | else |
c02279de | 1003 | Fprin1 (obj, stream); |
113620cc | 1004 | } |
c02279de | 1005 | |
113620cc KH |
1006 | UNGCPRO; |
1007 | } | |
38010d50 | 1008 | |
c02279de GM |
1009 | |
1010 | \f | |
38010d50 | 1011 | /* |
edb2a707 | 1012 | * The buffer should be at least as large as the max string size of the |
8e6208c5 | 1013 | * largest float, printed in the biggest notation. This is undoubtedly |
38010d50 JB |
1014 | * 20d float_output_format, with the negative of the C-constant "HUGE" |
1015 | * from <math.h>. | |
1016 | * | |
1017 | * On the vax the worst case is -1e38 in 20d format which takes 61 bytes. | |
1018 | * | |
1019 | * I assume that IEEE-754 format numbers can take 329 bytes for the worst | |
1020 | * case of -1e307 in 20d float_output_format. What is one to do (short of | |
1021 | * re-writing _doprnt to be more sane)? | |
1022 | * -wsr | |
1023 | */ | |
edb2a707 RS |
1024 | |
1025 | void | |
1026 | float_to_string (buf, data) | |
8b24d146 | 1027 | unsigned char *buf; |
38010d50 JB |
1028 | double data; |
1029 | { | |
c7b14277 | 1030 | unsigned char *cp; |
322890c4 | 1031 | int width; |
38010d50 | 1032 | |
7f45de2d RS |
1033 | /* Check for plus infinity in a way that won't lose |
1034 | if there is no plus infinity. */ | |
1035 | if (data == data / 2 && data > 1.0) | |
1036 | { | |
1037 | strcpy (buf, "1.0e+INF"); | |
1038 | return; | |
1039 | } | |
1040 | /* Likewise for minus infinity. */ | |
1041 | if (data == data / 2 && data < -1.0) | |
1042 | { | |
1043 | strcpy (buf, "-1.0e+INF"); | |
1044 | return; | |
1045 | } | |
1046 | /* Check for NaN in a way that won't fail if there are no NaNs. */ | |
1047 | if (! (data * 0.0 >= 0.0)) | |
1048 | { | |
68c45bf0 PE |
1049 | /* Prepend "-" if the NaN's sign bit is negative. |
1050 | The sign bit of a double is the bit that is 1 in -0.0. */ | |
1051 | int i; | |
1052 | union { double d; char c[sizeof (double)]; } u_data, u_minus_zero; | |
1053 | u_data.d = data; | |
1054 | u_minus_zero.d = - 0.0; | |
1055 | for (i = 0; i < sizeof (double); i++) | |
1056 | if (u_data.c[i] & u_minus_zero.c[i]) | |
1057 | { | |
1058 | *buf++ = '-'; | |
1059 | break; | |
1060 | } | |
1061 | ||
7f45de2d RS |
1062 | strcpy (buf, "0.0e+NaN"); |
1063 | return; | |
1064 | } | |
1065 | ||
10eebdbb | 1066 | if (NILP (Vfloat_output_format) |
d4ae1f7e | 1067 | || !STRINGP (Vfloat_output_format)) |
38010d50 | 1068 | lose: |
322890c4 | 1069 | { |
f356c3fb PE |
1070 | /* Generate the fewest number of digits that represent the |
1071 | floating point value without losing information. | |
1072 | The following method is simple but a bit slow. | |
1073 | For ideas about speeding things up, please see: | |
1074 | ||
1075 | Guy L Steele Jr & Jon L White, How to print floating-point numbers | |
1076 | accurately. SIGPLAN notices 25, 6 (June 1990), 112-126. | |
1077 | ||
1078 | Robert G Burger & R Kent Dybvig, Printing floating point numbers | |
1079 | quickly and accurately, SIGPLAN notices 31, 5 (May 1996), 108-116. */ | |
1080 | ||
1081 | width = fabs (data) < DBL_MIN ? 1 : DBL_DIG; | |
1082 | do | |
1083 | sprintf (buf, "%.*g", width, data); | |
1084 | while (width++ < DOUBLE_DIGITS_BOUND && atof (buf) != data); | |
322890c4 | 1085 | } |
38010d50 JB |
1086 | else /* oink oink */ |
1087 | { | |
1088 | /* Check that the spec we have is fully valid. | |
1089 | This means not only valid for printf, | |
1090 | but meant for floats, and reasonable. */ | |
d5db4077 | 1091 | cp = SDATA (Vfloat_output_format); |
38010d50 JB |
1092 | |
1093 | if (cp[0] != '%') | |
1094 | goto lose; | |
1095 | if (cp[1] != '.') | |
1096 | goto lose; | |
1097 | ||
1098 | cp += 2; | |
c7b14277 JB |
1099 | |
1100 | /* Check the width specification. */ | |
322890c4 | 1101 | width = -1; |
c7b14277 | 1102 | if ('0' <= *cp && *cp <= '9') |
381cd4bb KH |
1103 | { |
1104 | width = 0; | |
1105 | do | |
1106 | width = (width * 10) + (*cp++ - '0'); | |
1107 | while (*cp >= '0' && *cp <= '9'); | |
1108 | ||
1109 | /* A precision of zero is valid only for %f. */ | |
1110 | if (width > DBL_DIG | |
1111 | || (width == 0 && *cp != 'f')) | |
1112 | goto lose; | |
1113 | } | |
38010d50 JB |
1114 | |
1115 | if (*cp != 'e' && *cp != 'f' && *cp != 'g') | |
1116 | goto lose; | |
1117 | ||
38010d50 JB |
1118 | if (cp[1] != 0) |
1119 | goto lose; | |
1120 | ||
d5db4077 | 1121 | sprintf (buf, SDATA (Vfloat_output_format), data); |
38010d50 | 1122 | } |
edb2a707 | 1123 | |
c7b14277 JB |
1124 | /* Make sure there is a decimal point with digit after, or an |
1125 | exponent, so that the value is readable as a float. But don't do | |
322890c4 RS |
1126 | this with "%.0f"; it's valid for that not to produce a decimal |
1127 | point. Note that width can be 0 only for %.0f. */ | |
1128 | if (width != 0) | |
0601fd3d | 1129 | { |
c7b14277 JB |
1130 | for (cp = buf; *cp; cp++) |
1131 | if ((*cp < '0' || *cp > '9') && *cp != '-') | |
1132 | break; | |
0601fd3d | 1133 | |
c7b14277 JB |
1134 | if (*cp == '.' && cp[1] == 0) |
1135 | { | |
1136 | cp[1] = '0'; | |
1137 | cp[2] = 0; | |
1138 | } | |
1139 | ||
1140 | if (*cp == 0) | |
1141 | { | |
1142 | *cp++ = '.'; | |
1143 | *cp++ = '0'; | |
1144 | *cp++ = 0; | |
1145 | } | |
edb2a707 | 1146 | } |
38010d50 | 1147 | } |
cc94f3b2 | 1148 | |
38010d50 JB |
1149 | \f |
1150 | static void | |
1151 | print (obj, printcharfun, escapeflag) | |
38010d50 | 1152 | Lisp_Object obj; |
38010d50 JB |
1153 | register Lisp_Object printcharfun; |
1154 | int escapeflag; | |
1155 | { | |
0f25ecc6 | 1156 | print_depth = 0; |
38010d50 | 1157 | |
0f25ecc6 RS |
1158 | /* Reset print_number_index and Vprint_number_table only when |
1159 | the variable Vprint_continuous_numbering is nil. Otherwise, | |
1160 | the values of these variables will be kept between several | |
1161 | print functions. */ | |
1162 | if (NILP (Vprint_continuous_numbering)) | |
1163 | { | |
1164 | print_number_index = 0; | |
1165 | Vprint_number_table = Qnil; | |
1166 | } | |
38010d50 | 1167 | |
0f25ecc6 RS |
1168 | /* Construct Vprint_number_table for print-gensym and print-circle. */ |
1169 | if (!NILP (Vprint_gensym) || !NILP (Vprint_circle)) | |
ec838c39 | 1170 | { |
73fb36f1 | 1171 | int i, start, index; |
0f25ecc6 | 1172 | /* Construct Vprint_number_table. */ |
73fb36f1 | 1173 | start = index = print_number_index; |
0f25ecc6 RS |
1174 | print_preprocess (obj); |
1175 | /* Remove unnecessary objects, which appear only once in OBJ; | |
1176 | that is, whose status is Qnil. */ | |
73fb36f1 | 1177 | for (i = start; i < print_number_index; i++) |
0f25ecc6 RS |
1178 | if (!NILP (PRINT_NUMBER_STATUS (Vprint_number_table, i))) |
1179 | { | |
1180 | PRINT_NUMBER_OBJECT (Vprint_number_table, index) | |
1181 | = PRINT_NUMBER_OBJECT (Vprint_number_table, i); | |
1182 | /* Reset the status field for the next print step. Now this | |
1183 | field means whether the object has already been printed. */ | |
1184 | PRINT_NUMBER_STATUS (Vprint_number_table, index) = Qnil; | |
1185 | index++; | |
1186 | } | |
1187 | print_number_index = index; | |
1188 | } | |
1189 | ||
1190 | print_object (obj, printcharfun, escapeflag); | |
1191 | } | |
1192 | ||
1193 | /* Construct Vprint_number_table according to the structure of OBJ. | |
1194 | OBJ itself and all its elements will be added to Vprint_number_table | |
1195 | recursively if it is a list, vector, compiled function, char-table, | |
1196 | string (its text properties will be traced), or a symbol that has | |
1197 | no obarray (this is for the print-gensym feature). | |
1198 | The status fields of Vprint_number_table mean whether each object appears | |
1199 | more than once in OBJ: Qnil at the first time, and Qt after that . */ | |
1200 | static void | |
1201 | print_preprocess (obj) | |
1202 | Lisp_Object obj; | |
1203 | { | |
1204 | int i, size; | |
1205 | ||
1206 | loop: | |
1207 | if (STRINGP (obj) || CONSP (obj) || VECTORP (obj) | |
1208 | || COMPILEDP (obj) || CHAR_TABLE_P (obj) | |
1209 | || (! NILP (Vprint_gensym) | |
bf9f2aab GM |
1210 | && SYMBOLP (obj) |
1211 | && !SYMBOL_INTERNED_P (obj))) | |
0f25ecc6 | 1212 | { |
aca2020b KH |
1213 | /* In case print-circle is nil and print-gensym is t, |
1214 | add OBJ to Vprint_number_table only when OBJ is a symbol. */ | |
1215 | if (! NILP (Vprint_circle) || SYMBOLP (obj)) | |
0f25ecc6 | 1216 | { |
0f25ecc6 | 1217 | for (i = 0; i < print_number_index; i++) |
7c752c80 | 1218 | if (EQ (PRINT_NUMBER_OBJECT (Vprint_number_table, i), obj)) |
aca2020b KH |
1219 | { |
1220 | /* OBJ appears more than once. Let's remember that. */ | |
1221 | PRINT_NUMBER_STATUS (Vprint_number_table, i) = Qt; | |
1222 | return; | |
1223 | } | |
1224 | ||
1225 | /* OBJ is not yet recorded. Let's add to the table. */ | |
1226 | if (print_number_index == 0) | |
1227 | { | |
1228 | /* Initialize the table. */ | |
1229 | Vprint_number_table = Fmake_vector (make_number (40), Qnil); | |
1230 | } | |
1231 | else if (XVECTOR (Vprint_number_table)->size == print_number_index * 2) | |
0f25ecc6 | 1232 | { |
aca2020b KH |
1233 | /* Reallocate the table. */ |
1234 | int i = print_number_index * 4; | |
1235 | Lisp_Object old_table = Vprint_number_table; | |
1236 | Vprint_number_table = Fmake_vector (make_number (i), Qnil); | |
1237 | for (i = 0; i < print_number_index; i++) | |
1238 | { | |
1239 | PRINT_NUMBER_OBJECT (Vprint_number_table, i) | |
1240 | = PRINT_NUMBER_OBJECT (old_table, i); | |
1241 | PRINT_NUMBER_STATUS (Vprint_number_table, i) | |
1242 | = PRINT_NUMBER_STATUS (old_table, i); | |
1243 | } | |
0f25ecc6 | 1244 | } |
aca2020b KH |
1245 | PRINT_NUMBER_OBJECT (Vprint_number_table, print_number_index) = obj; |
1246 | /* If Vprint_continuous_numbering is non-nil and OBJ is a gensym, | |
1247 | always print the gensym with a number. This is a special for | |
1248 | the lisp function byte-compile-output-docform. */ | |
bf9f2aab GM |
1249 | if (!NILP (Vprint_continuous_numbering) |
1250 | && SYMBOLP (obj) | |
1251 | && !SYMBOL_INTERNED_P (obj)) | |
aca2020b KH |
1252 | PRINT_NUMBER_STATUS (Vprint_number_table, print_number_index) = Qt; |
1253 | print_number_index++; | |
0f25ecc6 | 1254 | } |
0f25ecc6 RS |
1255 | |
1256 | switch (XGCTYPE (obj)) | |
1257 | { | |
1258 | case Lisp_String: | |
0f25ecc6 | 1259 | /* A string may have text properties, which can be circular. */ |
d5db4077 | 1260 | traverse_intervals_noorder (STRING_INTERVALS (obj), |
8bbfc258 | 1261 | print_preprocess_string, Qnil); |
0f25ecc6 RS |
1262 | break; |
1263 | ||
1264 | case Lisp_Cons: | |
1265 | print_preprocess (XCAR (obj)); | |
1266 | obj = XCDR (obj); | |
1267 | goto loop; | |
1268 | ||
1269 | case Lisp_Vectorlike: | |
1270 | size = XVECTOR (obj)->size & PSEUDOVECTOR_SIZE_MASK; | |
1271 | for (i = 0; i < size; i++) | |
1272 | print_preprocess (XVECTOR (obj)->contents[i]); | |
ee5263af GM |
1273 | break; |
1274 | ||
1275 | default: | |
1276 | break; | |
0f25ecc6 RS |
1277 | } |
1278 | } | |
1279 | } | |
1280 | ||
0f25ecc6 RS |
1281 | static void |
1282 | print_preprocess_string (interval, arg) | |
1283 | INTERVAL interval; | |
1284 | Lisp_Object arg; | |
1285 | { | |
1286 | print_preprocess (interval->plist); | |
1287 | } | |
0f25ecc6 RS |
1288 | |
1289 | static void | |
1290 | print_object (obj, printcharfun, escapeflag) | |
1291 | Lisp_Object obj; | |
1292 | register Lisp_Object printcharfun; | |
1293 | int escapeflag; | |
1294 | { | |
1295 | char buf[30]; | |
1296 | ||
1297 | QUIT; | |
1298 | ||
1299 | /* Detect circularities and truncate them. */ | |
1300 | if (STRINGP (obj) || CONSP (obj) || VECTORP (obj) | |
1301 | || COMPILEDP (obj) || CHAR_TABLE_P (obj) | |
1302 | || (! NILP (Vprint_gensym) | |
bf9f2aab GM |
1303 | && SYMBOLP (obj) |
1304 | && !SYMBOL_INTERNED_P (obj))) | |
0f25ecc6 RS |
1305 | { |
1306 | if (NILP (Vprint_circle) && NILP (Vprint_gensym)) | |
1307 | { | |
1308 | /* Simple but incomplete way. */ | |
1309 | int i; | |
1310 | for (i = 0; i < print_depth; i++) | |
1311 | if (EQ (obj, being_printed[i])) | |
1312 | { | |
1313 | sprintf (buf, "#%d", i); | |
1314 | strout (buf, -1, -1, printcharfun, 0); | |
1315 | return; | |
1316 | } | |
1317 | being_printed[print_depth] = obj; | |
1318 | } | |
1319 | else | |
1320 | { | |
1321 | /* With the print-circle feature. */ | |
1322 | int i; | |
1323 | for (i = 0; i < print_number_index; i++) | |
7c752c80 | 1324 | if (EQ (PRINT_NUMBER_OBJECT (Vprint_number_table, i), obj)) |
0f25ecc6 RS |
1325 | { |
1326 | if (NILP (PRINT_NUMBER_STATUS (Vprint_number_table, i))) | |
1327 | { | |
1328 | /* Add a prefix #n= if OBJ has not yet been printed; | |
1329 | that is, its status field is nil. */ | |
1330 | sprintf (buf, "#%d=", i + 1); | |
1331 | strout (buf, -1, -1, printcharfun, 0); | |
1332 | /* OBJ is going to be printed. Set the status to t. */ | |
1333 | PRINT_NUMBER_STATUS (Vprint_number_table, i) = Qt; | |
1334 | break; | |
1335 | } | |
1336 | else | |
1337 | { | |
1338 | /* Just print #n# if OBJ has already been printed. */ | |
1339 | sprintf (buf, "#%d#", i + 1); | |
1340 | strout (buf, -1, -1, printcharfun, 0); | |
1341 | return; | |
1342 | } | |
1343 | } | |
1344 | } | |
ec838c39 | 1345 | } |
ec838c39 | 1346 | |
38010d50 JB |
1347 | print_depth++; |
1348 | ||
ec838c39 | 1349 | if (print_depth > PRINT_CIRCLE) |
38010d50 JB |
1350 | error ("Apparently circular structure being printed"); |
1351 | #ifdef MAX_PRINT_CHARS | |
1352 | if (max_print && print_chars > max_print) | |
1353 | { | |
1354 | PRINTCHAR ('\n'); | |
1355 | print_chars = 0; | |
1356 | } | |
1357 | #endif /* MAX_PRINT_CHARS */ | |
1358 | ||
ca0569ad | 1359 | switch (XGCTYPE (obj)) |
38010d50 | 1360 | { |
ca0569ad | 1361 | case Lisp_Int: |
b8180922 RS |
1362 | if (sizeof (int) == sizeof (EMACS_INT)) |
1363 | sprintf (buf, "%d", XINT (obj)); | |
1364 | else if (sizeof (long) == sizeof (EMACS_INT)) | |
63fbf4ff | 1365 | sprintf (buf, "%ld", (long) XINT (obj)); |
b8180922 RS |
1366 | else |
1367 | abort (); | |
dc2a0b79 | 1368 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1369 | break; |
1370 | ||
ca0569ad RS |
1371 | case Lisp_Float: |
1372 | { | |
1373 | char pigbuf[350]; /* see comments in float_to_string */ | |
38010d50 | 1374 | |
94b342ce | 1375 | float_to_string (pigbuf, XFLOAT_DATA (obj)); |
dc2a0b79 | 1376 | strout (pigbuf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1377 | } |
1378 | break; | |
ca0569ad RS |
1379 | |
1380 | case Lisp_String: | |
38010d50 JB |
1381 | if (!escapeflag) |
1382 | print_string (obj, printcharfun); | |
1383 | else | |
1384 | { | |
dc2a0b79 | 1385 | register int i, i_byte; |
38010d50 | 1386 | struct gcpro gcpro1; |
872a36d2 | 1387 | unsigned char *str; |
dc2a0b79 | 1388 | int size_byte; |
453fa987 RS |
1389 | /* 1 means we must ensure that the next character we output |
1390 | cannot be taken as part of a hex character escape. */ | |
1391 | int need_nonhex = 0; | |
db300f59 | 1392 | int multibyte = STRING_MULTIBYTE (obj); |
38010d50 | 1393 | |
7651e1f5 RS |
1394 | GCPRO1 (obj); |
1395 | ||
d5db4077 | 1396 | if (!NULL_INTERVAL_P (STRING_INTERVALS (obj))) |
7651e1f5 RS |
1397 | { |
1398 | PRINTCHAR ('#'); | |
1399 | PRINTCHAR ('('); | |
1400 | } | |
38010d50 JB |
1401 | |
1402 | PRINTCHAR ('\"'); | |
d5db4077 KR |
1403 | str = SDATA (obj); |
1404 | size_byte = SBYTES (obj); | |
dc2a0b79 RS |
1405 | |
1406 | for (i = 0, i_byte = 0; i_byte < size_byte;) | |
38010d50 | 1407 | { |
6ddd6eee RS |
1408 | /* Here, we must convert each multi-byte form to the |
1409 | corresponding character code before handing it to PRINTCHAR. */ | |
1410 | int len; | |
dc2a0b79 RS |
1411 | int c; |
1412 | ||
db300f59 | 1413 | if (multibyte) |
872a36d2 | 1414 | { |
765fe1d0 KH |
1415 | c = STRING_CHAR_AND_LENGTH (str + i_byte, |
1416 | size_byte - i_byte, len); | |
da1ad4e7 KH |
1417 | if (CHAR_VALID_P (c, 0)) |
1418 | i_byte += len; | |
1419 | else | |
1420 | c = str[i_byte++]; | |
872a36d2 | 1421 | } |
dc2a0b79 | 1422 | else |
872a36d2 | 1423 | c = str[i_byte++]; |
dc2a0b79 | 1424 | |
38010d50 | 1425 | QUIT; |
6ddd6eee | 1426 | |
38010d50 JB |
1427 | if (c == '\n' && print_escape_newlines) |
1428 | { | |
1429 | PRINTCHAR ('\\'); | |
1430 | PRINTCHAR ('n'); | |
1431 | } | |
c6f7982f RM |
1432 | else if (c == '\f' && print_escape_newlines) |
1433 | { | |
1434 | PRINTCHAR ('\\'); | |
1435 | PRINTCHAR ('f'); | |
1436 | } | |
ae7367d3 RS |
1437 | else if (multibyte |
1438 | && ! ASCII_BYTE_P (c) | |
1439 | && (SINGLE_BYTE_CHAR_P (c) || print_escape_multibyte)) | |
dc2a0b79 RS |
1440 | { |
1441 | /* When multibyte is disabled, | |
ae7367d3 RS |
1442 | print multibyte string chars using hex escapes. |
1443 | For a char code that could be in a unibyte string, | |
1444 | when found in a multibyte string, always use a hex escape | |
1445 | so it reads back as multibyte. */ | |
dc2a0b79 RS |
1446 | unsigned char outbuf[50]; |
1447 | sprintf (outbuf, "\\x%x", c); | |
1448 | strout (outbuf, -1, -1, printcharfun, 0); | |
453fa987 | 1449 | need_nonhex = 1; |
dc2a0b79 | 1450 | } |
db300f59 RS |
1451 | else if (! multibyte |
1452 | && SINGLE_BYTE_CHAR_P (c) && ! ASCII_BYTE_P (c) | |
835d0be6 | 1453 | && print_escape_nonascii) |
974a6ff5 | 1454 | { |
835d0be6 RS |
1455 | /* When printing in a multibyte buffer |
1456 | or when explicitly requested, | |
974a6ff5 KH |
1457 | print single-byte non-ASCII string chars |
1458 | using octal escapes. */ | |
1459 | unsigned char outbuf[5]; | |
1460 | sprintf (outbuf, "\\%03o", c); | |
1461 | strout (outbuf, -1, -1, printcharfun, 0); | |
1462 | } | |
38010d50 JB |
1463 | else |
1464 | { | |
453fa987 RS |
1465 | /* If we just had a hex escape, and this character |
1466 | could be taken as part of it, | |
1467 | output `\ ' to prevent that. */ | |
1b62edd6 KH |
1468 | if (need_nonhex) |
1469 | { | |
1470 | need_nonhex = 0; | |
1471 | if ((c >= 'a' && c <= 'f') | |
453fa987 | 1472 | || (c >= 'A' && c <= 'F') |
1b62edd6 KH |
1473 | || (c >= '0' && c <= '9')) |
1474 | strout ("\\ ", -1, -1, printcharfun, 0); | |
1475 | } | |
453fa987 | 1476 | |
38010d50 JB |
1477 | if (c == '\"' || c == '\\') |
1478 | PRINTCHAR ('\\'); | |
1479 | PRINTCHAR (c); | |
1480 | } | |
1481 | } | |
1482 | PRINTCHAR ('\"'); | |
7651e1f5 | 1483 | |
d5db4077 | 1484 | if (!NULL_INTERVAL_P (STRING_INTERVALS (obj))) |
7651e1f5 | 1485 | { |
d5db4077 | 1486 | traverse_intervals (STRING_INTERVALS (obj), |
8bbfc258 | 1487 | 0, print_interval, printcharfun); |
7651e1f5 RS |
1488 | PRINTCHAR (')'); |
1489 | } | |
7651e1f5 | 1490 | |
38010d50 JB |
1491 | UNGCPRO; |
1492 | } | |
ca0569ad | 1493 | break; |
38010d50 | 1494 | |
ca0569ad RS |
1495 | case Lisp_Symbol: |
1496 | { | |
1497 | register int confusing; | |
d5db4077 KR |
1498 | register unsigned char *p = SDATA (SYMBOL_NAME (obj)); |
1499 | register unsigned char *end = p + SBYTES (SYMBOL_NAME (obj)); | |
2190a05e | 1500 | register int c; |
dc2a0b79 RS |
1501 | int i, i_byte, size_byte; |
1502 | Lisp_Object name; | |
1503 | ||
76d0b3ae | 1504 | name = SYMBOL_NAME (obj); |
ca0569ad RS |
1505 | |
1506 | if (p != end && (*p == '-' || *p == '+')) p++; | |
1507 | if (p == end) | |
1508 | confusing = 0; | |
d27497e3 RS |
1509 | /* If symbol name begins with a digit, and ends with a digit, |
1510 | and contains nothing but digits and `e', it could be treated | |
1511 | as a number. So set CONFUSING. | |
1512 | ||
1513 | Symbols that contain periods could also be taken as numbers, | |
1514 | but periods are always escaped, so we don't have to worry | |
1515 | about them here. */ | |
1516 | else if (*p >= '0' && *p <= '9' | |
1517 | && end[-1] >= '0' && end[-1] <= '9') | |
ca0569ad | 1518 | { |
e837058b RS |
1519 | while (p != end && ((*p >= '0' && *p <= '9') |
1520 | /* Needed for \2e10. */ | |
1521 | || *p == 'e')) | |
ca0569ad RS |
1522 | p++; |
1523 | confusing = (end == p); | |
1524 | } | |
d27497e3 RS |
1525 | else |
1526 | confusing = 0; | |
ca0569ad | 1527 | |
bf9f2aab | 1528 | if (! NILP (Vprint_gensym) && !SYMBOL_INTERNED_P (obj)) |
081e0581 | 1529 | { |
081e0581 EN |
1530 | PRINTCHAR ('#'); |
1531 | PRINTCHAR (':'); | |
1532 | } | |
1533 | ||
d5db4077 | 1534 | size_byte = SBYTES (name); |
dc2a0b79 RS |
1535 | |
1536 | for (i = 0, i_byte = 0; i_byte < size_byte;) | |
ca0569ad | 1537 | { |
6ddd6eee RS |
1538 | /* Here, we must convert each multi-byte form to the |
1539 | corresponding character code before handing it to PRINTCHAR. */ | |
eba90784 | 1540 | FETCH_STRING_CHAR_ADVANCE (c, name, i, i_byte); |
ca0569ad | 1541 | QUIT; |
09eddb56 | 1542 | |
ca0569ad RS |
1543 | if (escapeflag) |
1544 | { | |
09eddb56 RS |
1545 | if (c == '\"' || c == '\\' || c == '\'' |
1546 | || c == ';' || c == '#' || c == '(' || c == ')' | |
1547 | || c == ',' || c =='.' || c == '`' | |
1548 | || c == '[' || c == ']' || c == '?' || c <= 040 | |
1549 | || confusing) | |
ca0569ad RS |
1550 | PRINTCHAR ('\\'), confusing = 0; |
1551 | } | |
1552 | PRINTCHAR (c); | |
1553 | } | |
1554 | } | |
1555 | break; | |
1556 | ||
1557 | case Lisp_Cons: | |
38010d50 | 1558 | /* If deeper than spec'd depth, print placeholder. */ |
d4ae1f7e | 1559 | if (INTEGERP (Vprint_level) |
38010d50 | 1560 | && print_depth > XINT (Vprint_level)) |
dc2a0b79 | 1561 | strout ("...", -1, -1, printcharfun, 0); |
2f100b5c EN |
1562 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) |
1563 | && (EQ (XCAR (obj), Qquote))) | |
1564 | { | |
1565 | PRINTCHAR ('\''); | |
0f25ecc6 | 1566 | print_object (XCAR (XCDR (obj)), printcharfun, escapeflag); |
2f100b5c EN |
1567 | } |
1568 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) | |
1569 | && (EQ (XCAR (obj), Qfunction))) | |
1570 | { | |
1571 | PRINTCHAR ('#'); | |
1572 | PRINTCHAR ('\''); | |
0f25ecc6 | 1573 | print_object (XCAR (XCDR (obj)), printcharfun, escapeflag); |
2f100b5c EN |
1574 | } |
1575 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) | |
1576 | && ((EQ (XCAR (obj), Qbackquote) | |
1577 | || EQ (XCAR (obj), Qcomma) | |
1578 | || EQ (XCAR (obj), Qcomma_at) | |
1579 | || EQ (XCAR (obj), Qcomma_dot)))) | |
1580 | { | |
0f25ecc6 RS |
1581 | print_object (XCAR (obj), printcharfun, 0); |
1582 | print_object (XCAR (XCDR (obj)), printcharfun, escapeflag); | |
2f100b5c | 1583 | } |
e0f93814 | 1584 | else |
38010d50 | 1585 | { |
e0f93814 | 1586 | PRINTCHAR ('('); |
38010d50 | 1587 | { |
42ac1ed4 | 1588 | int print_length, i; |
1eab22b5 | 1589 | Lisp_Object halftail = obj; |
e0f93814 | 1590 | |
9ab8560d | 1591 | /* Negative values of print-length are invalid in CL. |
42ac1ed4 GM |
1592 | Treat them like nil, as CMUCL does. */ |
1593 | if (NATNUMP (Vprint_length)) | |
1594 | print_length = XFASTINT (Vprint_length); | |
1595 | else | |
1596 | print_length = 0; | |
1597 | ||
1598 | i = 0; | |
e0f93814 | 1599 | while (CONSP (obj)) |
38010d50 | 1600 | { |
1eab22b5 | 1601 | /* Detect circular list. */ |
0f25ecc6 | 1602 | if (NILP (Vprint_circle)) |
1eab22b5 | 1603 | { |
0f25ecc6 RS |
1604 | /* Simple but imcomplete way. */ |
1605 | if (i != 0 && EQ (obj, halftail)) | |
1606 | { | |
1607 | sprintf (buf, " . #%d", i / 2); | |
1608 | strout (buf, -1, -1, printcharfun, 0); | |
1609 | goto end_of_list; | |
1610 | } | |
1611 | } | |
1612 | else | |
1613 | { | |
1614 | /* With the print-circle feature. */ | |
1615 | if (i != 0) | |
1616 | { | |
1617 | int i; | |
1618 | for (i = 0; i < print_number_index; i++) | |
42ac1ed4 GM |
1619 | if (EQ (PRINT_NUMBER_OBJECT (Vprint_number_table, i), |
1620 | obj)) | |
0f25ecc6 RS |
1621 | { |
1622 | if (NILP (PRINT_NUMBER_STATUS (Vprint_number_table, i))) | |
1623 | { | |
1624 | strout (" . ", 3, 3, printcharfun, 0); | |
1625 | print_object (obj, printcharfun, escapeflag); | |
1626 | } | |
1627 | else | |
1628 | { | |
1629 | sprintf (buf, " . #%d#", i + 1); | |
1630 | strout (buf, -1, -1, printcharfun, 0); | |
1631 | } | |
1632 | goto end_of_list; | |
1633 | } | |
1634 | } | |
1eab22b5 | 1635 | } |
42ac1ed4 | 1636 | |
e0f93814 KH |
1637 | if (i++) |
1638 | PRINTCHAR (' '); | |
42ac1ed4 | 1639 | |
f4fe72d5 | 1640 | if (print_length && i > print_length) |
e0f93814 | 1641 | { |
dc2a0b79 | 1642 | strout ("...", 3, 3, printcharfun, 0); |
0f25ecc6 | 1643 | goto end_of_list; |
e0f93814 | 1644 | } |
42ac1ed4 | 1645 | |
0f25ecc6 | 1646 | print_object (XCAR (obj), printcharfun, escapeflag); |
42ac1ed4 | 1647 | |
2f100b5c | 1648 | obj = XCDR (obj); |
1eab22b5 RS |
1649 | if (!(i & 1)) |
1650 | halftail = XCDR (halftail); | |
38010d50 | 1651 | } |
38010d50 | 1652 | } |
42ac1ed4 GM |
1653 | |
1654 | /* OBJ non-nil here means it's the end of a dotted list. */ | |
2f100b5c | 1655 | if (!NILP (obj)) |
e0f93814 | 1656 | { |
dc2a0b79 | 1657 | strout (" . ", 3, 3, printcharfun, 0); |
0f25ecc6 | 1658 | print_object (obj, printcharfun, escapeflag); |
e0f93814 | 1659 | } |
42ac1ed4 | 1660 | |
0f25ecc6 | 1661 | end_of_list: |
e0f93814 | 1662 | PRINTCHAR (')'); |
38010d50 | 1663 | } |
ca0569ad RS |
1664 | break; |
1665 | ||
1666 | case Lisp_Vectorlike: | |
1667 | if (PROCESSP (obj)) | |
1668 | { | |
1669 | if (escapeflag) | |
1670 | { | |
dc2a0b79 | 1671 | strout ("#<process ", -1, -1, printcharfun, 0); |
ca0569ad RS |
1672 | print_string (XPROCESS (obj)->name, printcharfun); |
1673 | PRINTCHAR ('>'); | |
1674 | } | |
1675 | else | |
1676 | print_string (XPROCESS (obj)->name, printcharfun); | |
1677 | } | |
ed2c35ef RS |
1678 | else if (BOOL_VECTOR_P (obj)) |
1679 | { | |
1680 | register int i; | |
1681 | register unsigned char c; | |
1682 | struct gcpro gcpro1; | |
ed2c35ef | 1683 | int size_in_chars |
1bad7c59 | 1684 | = (XBOOL_VECTOR (obj)->size + BITS_PER_CHAR - 1) / BITS_PER_CHAR; |
ed2c35ef RS |
1685 | |
1686 | GCPRO1 (obj); | |
1687 | ||
1688 | PRINTCHAR ('#'); | |
1689 | PRINTCHAR ('&'); | |
1690 | sprintf (buf, "%d", XBOOL_VECTOR (obj)->size); | |
dc2a0b79 | 1691 | strout (buf, -1, -1, printcharfun, 0); |
ed2c35ef | 1692 | PRINTCHAR ('\"'); |
a40384bc | 1693 | |
42ac1ed4 | 1694 | /* Don't print more characters than the specified maximum. |
9ab8560d | 1695 | Negative values of print-length are invalid. Treat them |
42ac1ed4 GM |
1696 | like a print-length of nil. */ |
1697 | if (NATNUMP (Vprint_length) | |
1698 | && XFASTINT (Vprint_length) < size_in_chars) | |
1699 | size_in_chars = XFASTINT (Vprint_length); | |
a40384bc | 1700 | |
ed2c35ef RS |
1701 | for (i = 0; i < size_in_chars; i++) |
1702 | { | |
1703 | QUIT; | |
1704 | c = XBOOL_VECTOR (obj)->data[i]; | |
1705 | if (c == '\n' && print_escape_newlines) | |
1706 | { | |
1707 | PRINTCHAR ('\\'); | |
1708 | PRINTCHAR ('n'); | |
1709 | } | |
1710 | else if (c == '\f' && print_escape_newlines) | |
1711 | { | |
1712 | PRINTCHAR ('\\'); | |
1713 | PRINTCHAR ('f'); | |
1714 | } | |
1715 | else | |
1716 | { | |
1717 | if (c == '\"' || c == '\\') | |
1718 | PRINTCHAR ('\\'); | |
1719 | PRINTCHAR (c); | |
1720 | } | |
1721 | } | |
1722 | PRINTCHAR ('\"'); | |
1723 | ||
1724 | UNGCPRO; | |
1725 | } | |
ca0569ad RS |
1726 | else if (SUBRP (obj)) |
1727 | { | |
dc2a0b79 RS |
1728 | strout ("#<subr ", -1, -1, printcharfun, 0); |
1729 | strout (XSUBR (obj)->symbol_name, -1, -1, printcharfun, 0); | |
ca0569ad RS |
1730 | PRINTCHAR ('>'); |
1731 | } | |
ca0569ad RS |
1732 | else if (WINDOWP (obj)) |
1733 | { | |
dc2a0b79 | 1734 | strout ("#<window ", -1, -1, printcharfun, 0); |
ca0569ad | 1735 | sprintf (buf, "%d", XFASTINT (XWINDOW (obj)->sequence_number)); |
dc2a0b79 | 1736 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1737 | if (!NILP (XWINDOW (obj)->buffer)) |
1738 | { | |
dc2a0b79 | 1739 | strout (" on ", -1, -1, printcharfun, 0); |
ca0569ad RS |
1740 | print_string (XBUFFER (XWINDOW (obj)->buffer)->name, printcharfun); |
1741 | } | |
1742 | PRINTCHAR ('>'); | |
1743 | } | |
7eb03302 GM |
1744 | else if (HASH_TABLE_P (obj)) |
1745 | { | |
1746 | struct Lisp_Hash_Table *h = XHASH_TABLE (obj); | |
1747 | strout ("#<hash-table", -1, -1, printcharfun, 0); | |
1748 | if (SYMBOLP (h->test)) | |
1749 | { | |
1750 | PRINTCHAR (' '); | |
1751 | PRINTCHAR ('\''); | |
d5db4077 | 1752 | strout (SDATA (SYMBOL_NAME (h->test)), -1, -1, printcharfun, 0); |
7eb03302 | 1753 | PRINTCHAR (' '); |
d5db4077 | 1754 | strout (SDATA (SYMBOL_NAME (h->weak)), -1, -1, printcharfun, 0); |
7eb03302 GM |
1755 | PRINTCHAR (' '); |
1756 | sprintf (buf, "%d/%d", XFASTINT (h->count), | |
1757 | XVECTOR (h->next)->size); | |
1758 | strout (buf, -1, -1, printcharfun, 0); | |
1759 | } | |
1760 | sprintf (buf, " 0x%lx", (unsigned long) h); | |
1761 | strout (buf, -1, -1, printcharfun, 0); | |
1762 | PRINTCHAR ('>'); | |
1763 | } | |
908b0ae5 RS |
1764 | else if (BUFFERP (obj)) |
1765 | { | |
1766 | if (NILP (XBUFFER (obj)->name)) | |
dc2a0b79 | 1767 | strout ("#<killed buffer>", -1, -1, printcharfun, 0); |
908b0ae5 RS |
1768 | else if (escapeflag) |
1769 | { | |
dc2a0b79 | 1770 | strout ("#<buffer ", -1, -1, printcharfun, 0); |
908b0ae5 RS |
1771 | print_string (XBUFFER (obj)->name, printcharfun); |
1772 | PRINTCHAR ('>'); | |
1773 | } | |
1774 | else | |
1775 | print_string (XBUFFER (obj)->name, printcharfun); | |
1776 | } | |
ca0569ad RS |
1777 | else if (WINDOW_CONFIGURATIONP (obj)) |
1778 | { | |
dc2a0b79 | 1779 | strout ("#<window-configuration>", -1, -1, printcharfun, 0); |
ca0569ad | 1780 | } |
ca0569ad RS |
1781 | else if (FRAMEP (obj)) |
1782 | { | |
1783 | strout ((FRAME_LIVE_P (XFRAME (obj)) | |
1784 | ? "#<frame " : "#<dead frame "), | |
dc2a0b79 | 1785 | -1, -1, printcharfun, 0); |
ca0569ad | 1786 | print_string (XFRAME (obj)->name, printcharfun); |
aab3aa14 | 1787 | sprintf (buf, " 0x%lx", (unsigned long) (XFRAME (obj))); |
dc2a0b79 | 1788 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1789 | PRINTCHAR ('>'); |
1790 | } | |
ca0569ad RS |
1791 | else |
1792 | { | |
1793 | int size = XVECTOR (obj)->size; | |
1794 | if (COMPILEDP (obj)) | |
1795 | { | |
1796 | PRINTCHAR ('#'); | |
1797 | size &= PSEUDOVECTOR_SIZE_MASK; | |
1798 | } | |
ed2c35ef RS |
1799 | if (CHAR_TABLE_P (obj)) |
1800 | { | |
1801 | /* We print a char-table as if it were a vector, | |
1802 | lumping the parent and default slots in with the | |
1803 | character slots. But we add #^ as a prefix. */ | |
1804 | PRINTCHAR ('#'); | |
1805 | PRINTCHAR ('^'); | |
3701b5de KH |
1806 | if (SUB_CHAR_TABLE_P (obj)) |
1807 | PRINTCHAR ('^'); | |
ed2c35ef RS |
1808 | size &= PSEUDOVECTOR_SIZE_MASK; |
1809 | } | |
00d76abc KH |
1810 | if (size & PSEUDOVECTOR_FLAG) |
1811 | goto badtype; | |
ca0569ad RS |
1812 | |
1813 | PRINTCHAR ('['); | |
38010d50 | 1814 | { |
ca0569ad RS |
1815 | register int i; |
1816 | register Lisp_Object tem; | |
d6ac884e | 1817 | int real_size = size; |
a40384bc RS |
1818 | |
1819 | /* Don't print more elements than the specified maximum. */ | |
42ac1ed4 GM |
1820 | if (NATNUMP (Vprint_length) |
1821 | && XFASTINT (Vprint_length) < size) | |
1822 | size = XFASTINT (Vprint_length); | |
a40384bc | 1823 | |
ca0569ad RS |
1824 | for (i = 0; i < size; i++) |
1825 | { | |
1826 | if (i) PRINTCHAR (' '); | |
1827 | tem = XVECTOR (obj)->contents[i]; | |
0f25ecc6 | 1828 | print_object (tem, printcharfun, escapeflag); |
ca0569ad | 1829 | } |
d6ac884e KH |
1830 | if (size < real_size) |
1831 | strout (" ...", 4, 4, printcharfun, 0); | |
38010d50 | 1832 | } |
ca0569ad RS |
1833 | PRINTCHAR (']'); |
1834 | } | |
1835 | break; | |
1836 | ||
ca0569ad | 1837 | case Lisp_Misc: |
5db20f08 | 1838 | switch (XMISCTYPE (obj)) |
38010d50 | 1839 | { |
00d76abc | 1840 | case Lisp_Misc_Marker: |
dc2a0b79 | 1841 | strout ("#<marker ", -1, -1, printcharfun, 0); |
087e3c46 KH |
1842 | /* Do you think this is necessary? */ |
1843 | if (XMARKER (obj)->insertion_type != 0) | |
210ebd3d | 1844 | strout ("(moves after insertion) ", -1, -1, printcharfun, 0); |
ca0569ad | 1845 | if (!(XMARKER (obj)->buffer)) |
dc2a0b79 | 1846 | strout ("in no buffer", -1, -1, printcharfun, 0); |
ca0569ad RS |
1847 | else |
1848 | { | |
1849 | sprintf (buf, "at %d", marker_position (obj)); | |
dc2a0b79 RS |
1850 | strout (buf, -1, -1, printcharfun, 0); |
1851 | strout (" in ", -1, -1, printcharfun, 0); | |
ca0569ad RS |
1852 | print_string (XMARKER (obj)->buffer->name, printcharfun); |
1853 | } | |
38010d50 | 1854 | PRINTCHAR ('>'); |
908b0ae5 | 1855 | break; |
00d76abc KH |
1856 | |
1857 | case Lisp_Misc_Overlay: | |
dc2a0b79 | 1858 | strout ("#<overlay ", -1, -1, printcharfun, 0); |
ca0569ad | 1859 | if (!(XMARKER (OVERLAY_START (obj))->buffer)) |
dc2a0b79 | 1860 | strout ("in no buffer", -1, -1, printcharfun, 0); |
ca0569ad RS |
1861 | else |
1862 | { | |
1863 | sprintf (buf, "from %d to %d in ", | |
1864 | marker_position (OVERLAY_START (obj)), | |
1865 | marker_position (OVERLAY_END (obj))); | |
dc2a0b79 | 1866 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1867 | print_string (XMARKER (OVERLAY_START (obj))->buffer->name, |
1868 | printcharfun); | |
1869 | } | |
1870 | PRINTCHAR ('>'); | |
908b0ae5 | 1871 | break; |
00d76abc KH |
1872 | |
1873 | /* Remaining cases shouldn't happen in normal usage, but let's print | |
1874 | them anyway for the benefit of the debugger. */ | |
1875 | case Lisp_Misc_Free: | |
dc2a0b79 | 1876 | strout ("#<misc free cell>", -1, -1, printcharfun, 0); |
00d76abc KH |
1877 | break; |
1878 | ||
1879 | case Lisp_Misc_Intfwd: | |
1880 | sprintf (buf, "#<intfwd to %d>", *XINTFWD (obj)->intvar); | |
dc2a0b79 | 1881 | strout (buf, -1, -1, printcharfun, 0); |
00d76abc KH |
1882 | break; |
1883 | ||
1884 | case Lisp_Misc_Boolfwd: | |
1885 | sprintf (buf, "#<boolfwd to %s>", | |
1886 | (*XBOOLFWD (obj)->boolvar ? "t" : "nil")); | |
dc2a0b79 | 1887 | strout (buf, -1, -1, printcharfun, 0); |
00d76abc KH |
1888 | break; |
1889 | ||
1890 | case Lisp_Misc_Objfwd: | |
dc2a0b79 | 1891 | strout ("#<objfwd to ", -1, -1, printcharfun, 0); |
0f25ecc6 | 1892 | print_object (*XOBJFWD (obj)->objvar, printcharfun, escapeflag); |
00d76abc KH |
1893 | PRINTCHAR ('>'); |
1894 | break; | |
1895 | ||
1896 | case Lisp_Misc_Buffer_Objfwd: | |
dc2a0b79 | 1897 | strout ("#<buffer_objfwd to ", -1, -1, printcharfun, 0); |
f6cd0527 GM |
1898 | print_object (PER_BUFFER_VALUE (current_buffer, |
1899 | XBUFFER_OBJFWD (obj)->offset), | |
c3279ad4 | 1900 | printcharfun, escapeflag); |
3ac613c1 KH |
1901 | PRINTCHAR ('>'); |
1902 | break; | |
1903 | ||
fb917148 | 1904 | case Lisp_Misc_Kboard_Objfwd: |
dc2a0b79 | 1905 | strout ("#<kboard_objfwd to ", -1, -1, printcharfun, 0); |
0f25ecc6 RS |
1906 | print_object (*(Lisp_Object *)((char *) current_kboard |
1907 | + XKBOARD_OBJFWD (obj)->offset), | |
c3279ad4 | 1908 | printcharfun, escapeflag); |
00d76abc KH |
1909 | PRINTCHAR ('>'); |
1910 | break; | |
1911 | ||
1912 | case Lisp_Misc_Buffer_Local_Value: | |
dc2a0b79 | 1913 | strout ("#<buffer_local_value ", -1, -1, printcharfun, 0); |
00d76abc KH |
1914 | goto do_buffer_local; |
1915 | case Lisp_Misc_Some_Buffer_Local_Value: | |
dc2a0b79 | 1916 | strout ("#<some_buffer_local_value ", -1, -1, printcharfun, 0); |
00d76abc | 1917 | do_buffer_local: |
dc2a0b79 | 1918 | strout ("[realvalue] ", -1, -1, printcharfun, 0); |
0f25ecc6 RS |
1919 | print_object (XBUFFER_LOCAL_VALUE (obj)->realvalue, |
1920 | printcharfun, escapeflag); | |
03153771 RS |
1921 | if (XBUFFER_LOCAL_VALUE (obj)->found_for_buffer) |
1922 | strout ("[local in buffer] ", -1, -1, printcharfun, 0); | |
1923 | else | |
1924 | strout ("[buffer] ", -1, -1, printcharfun, 0); | |
0f25ecc6 RS |
1925 | print_object (XBUFFER_LOCAL_VALUE (obj)->buffer, |
1926 | printcharfun, escapeflag); | |
03153771 RS |
1927 | if (XBUFFER_LOCAL_VALUE (obj)->check_frame) |
1928 | { | |
1929 | if (XBUFFER_LOCAL_VALUE (obj)->found_for_frame) | |
1930 | strout ("[local in frame] ", -1, -1, printcharfun, 0); | |
1931 | else | |
1932 | strout ("[frame] ", -1, -1, printcharfun, 0); | |
0f25ecc6 RS |
1933 | print_object (XBUFFER_LOCAL_VALUE (obj)->frame, |
1934 | printcharfun, escapeflag); | |
03153771 | 1935 | } |
dc2a0b79 | 1936 | strout ("[alist-elt] ", -1, -1, printcharfun, 0); |
94b342ce | 1937 | print_object (XCAR (XBUFFER_LOCAL_VALUE (obj)->cdr), |
0f25ecc6 | 1938 | printcharfun, escapeflag); |
dc2a0b79 | 1939 | strout ("[default-value] ", -1, -1, printcharfun, 0); |
94b342ce | 1940 | print_object (XCDR (XBUFFER_LOCAL_VALUE (obj)->cdr), |
0f25ecc6 | 1941 | printcharfun, escapeflag); |
00d76abc KH |
1942 | PRINTCHAR ('>'); |
1943 | break; | |
1944 | ||
1945 | default: | |
1946 | goto badtype; | |
e0f93814 | 1947 | } |
00d76abc | 1948 | break; |
ca0569ad RS |
1949 | |
1950 | default: | |
00d76abc | 1951 | badtype: |
ca0569ad RS |
1952 | { |
1953 | /* We're in trouble if this happens! | |
1954 | Probably should just abort () */ | |
dc2a0b79 | 1955 | strout ("#<EMACS BUG: INVALID DATATYPE ", -1, -1, printcharfun, 0); |
00d76abc | 1956 | if (MISCP (obj)) |
5db20f08 | 1957 | sprintf (buf, "(MISC 0x%04x)", (int) XMISCTYPE (obj)); |
00d76abc KH |
1958 | else if (VECTORLIKEP (obj)) |
1959 | sprintf (buf, "(PVEC 0x%08x)", (int) XVECTOR (obj)->size); | |
1960 | else | |
1961 | sprintf (buf, "(0x%02x)", (int) XTYPE (obj)); | |
dc2a0b79 | 1962 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad | 1963 | strout (" Save your buffers immediately and please report this bug>", |
dc2a0b79 | 1964 | -1, -1, printcharfun, 0); |
ca0569ad | 1965 | } |
38010d50 JB |
1966 | } |
1967 | ||
1968 | print_depth--; | |
1969 | } | |
1970 | \f | |
7651e1f5 RS |
1971 | |
1972 | /* Print a description of INTERVAL using PRINTCHARFUN. | |
1973 | This is part of printing a string that has text properties. */ | |
1974 | ||
1975 | void | |
1976 | print_interval (interval, printcharfun) | |
1977 | INTERVAL interval; | |
1978 | Lisp_Object printcharfun; | |
1979 | { | |
30503c0b | 1980 | PRINTCHAR (' '); |
0f25ecc6 | 1981 | print_object (make_number (interval->position), printcharfun, 1); |
7651e1f5 | 1982 | PRINTCHAR (' '); |
0f25ecc6 | 1983 | print_object (make_number (interval->position + LENGTH (interval)), |
7651e1f5 RS |
1984 | printcharfun, 1); |
1985 | PRINTCHAR (' '); | |
0f25ecc6 | 1986 | print_object (interval->plist, printcharfun, 1); |
7651e1f5 RS |
1987 | } |
1988 | ||
7651e1f5 | 1989 | \f |
38010d50 JB |
1990 | void |
1991 | syms_of_print () | |
1992 | { | |
d9c21094 RS |
1993 | Qtemp_buffer_setup_hook = intern ("temp-buffer-setup-hook"); |
1994 | staticpro (&Qtemp_buffer_setup_hook); | |
1995 | ||
38010d50 | 1996 | DEFVAR_LISP ("standard-output", &Vstandard_output, |
8c1a1077 PJ |
1997 | doc: /* Output stream `print' uses by default for outputting a character. |
1998 | This may be any function of one argument. | |
1999 | It may also be a buffer (output is inserted before point) | |
2000 | or a marker (output is inserted and the marker is advanced) | |
2001 | or the symbol t (output appears in the echo area). */); | |
38010d50 JB |
2002 | Vstandard_output = Qt; |
2003 | Qstandard_output = intern ("standard-output"); | |
2004 | staticpro (&Qstandard_output); | |
2005 | ||
38010d50 | 2006 | DEFVAR_LISP ("float-output-format", &Vfloat_output_format, |
8c1a1077 PJ |
2007 | doc: /* The format descriptor string used to print floats. |
2008 | This is a %-spec like those accepted by `printf' in C, | |
2009 | but with some restrictions. It must start with the two characters `%.'. | |
2010 | After that comes an integer precision specification, | |
2011 | and then a letter which controls the format. | |
2012 | The letters allowed are `e', `f' and `g'. | |
2013 | Use `e' for exponential notation \"DIG.DIGITSeEXPT\" | |
2014 | Use `f' for decimal point notation \"DIGITS.DIGITS\". | |
2015 | Use `g' to choose the shorter of those two formats for the number at hand. | |
2016 | The precision in any of these cases is the number of digits following | |
2017 | the decimal point. With `f', a precision of 0 means to omit the | |
2018 | decimal point. 0 is not allowed with `e' or `g'. | |
2019 | ||
2020 | A value of nil means to use the shortest notation | |
2021 | that represents the number without losing information. */); | |
38010d50 JB |
2022 | Vfloat_output_format = Qnil; |
2023 | Qfloat_output_format = intern ("float-output-format"); | |
2024 | staticpro (&Qfloat_output_format); | |
38010d50 JB |
2025 | |
2026 | DEFVAR_LISP ("print-length", &Vprint_length, | |
8c1a1077 PJ |
2027 | doc: /* Maximum length of list to print before abbreviating. |
2028 | A value of nil means no limit. See also `eval-expression-print-length'. */); | |
38010d50 JB |
2029 | Vprint_length = Qnil; |
2030 | ||
2031 | DEFVAR_LISP ("print-level", &Vprint_level, | |
8c1a1077 PJ |
2032 | doc: /* Maximum depth of list nesting to print before abbreviating. |
2033 | A value of nil means no limit. See also `eval-expression-print-level'. */); | |
38010d50 JB |
2034 | Vprint_level = Qnil; |
2035 | ||
2036 | DEFVAR_BOOL ("print-escape-newlines", &print_escape_newlines, | |
8c1a1077 PJ |
2037 | doc: /* Non-nil means print newlines in strings as `\\n'. |
2038 | Also print formfeeds as `\\f'. */); | |
38010d50 JB |
2039 | print_escape_newlines = 0; |
2040 | ||
38940e93 | 2041 | DEFVAR_BOOL ("print-escape-nonascii", &print_escape_nonascii, |
8c1a1077 PJ |
2042 | doc: /* Non-nil means print unibyte non-ASCII chars in strings as \\OOO. |
2043 | \(OOO is the octal representation of the character code.) | |
2044 | Only single-byte characters are affected, and only in `prin1'. */); | |
38940e93 RS |
2045 | print_escape_nonascii = 0; |
2046 | ||
835d0be6 | 2047 | DEFVAR_BOOL ("print-escape-multibyte", &print_escape_multibyte, |
8c1a1077 PJ |
2048 | doc: /* Non-nil means print multibyte characters in strings as \\xXXXX. |
2049 | \(XXXX is the hex representation of the character code.) | |
2050 | This affects only `prin1'. */); | |
835d0be6 RS |
2051 | print_escape_multibyte = 0; |
2052 | ||
2f100b5c | 2053 | DEFVAR_BOOL ("print-quoted", &print_quoted, |
8c1a1077 PJ |
2054 | doc: /* Non-nil means print quoted forms with reader syntax. |
2055 | I.e., (quote foo) prints as 'foo, (function foo) as #'foo, and backquoted | |
2056 | forms print as in the new syntax. */); | |
2f100b5c EN |
2057 | print_quoted = 0; |
2058 | ||
e0f69431 | 2059 | DEFVAR_LISP ("print-gensym", &Vprint_gensym, |
8c1a1077 PJ |
2060 | doc: /* Non-nil means print uninterned symbols so they will read as uninterned. |
2061 | I.e., the value of (make-symbol \"foobar\") prints as #:foobar. | |
2062 | When the uninterned symbol appears within a recursive data structure, | |
2063 | and the symbol appears more than once, in addition use the #N# and #N= | |
2064 | constructs as needed, so that multiple references to the same symbol are | |
2065 | shared once again when the text is read back. */); | |
e0f69431 RS |
2066 | Vprint_gensym = Qnil; |
2067 | ||
0f25ecc6 | 2068 | DEFVAR_LISP ("print-circle", &Vprint_circle, |
8c1a1077 PJ |
2069 | doc: /* *Non-nil means print recursive structures using #N= and #N# syntax. |
2070 | If nil, printing proceeds recursively and may lead to | |
2071 | `max-lisp-eval-depth' being exceeded or an error may occur: | |
2072 | \"Apparently circular structure being printed.\" Also see | |
2073 | `print-length' and `print-level'. | |
2074 | If non-nil, shared substructures anywhere in the structure are printed | |
2075 | with `#N=' before the first occurrence (in the order of the print | |
2076 | representation) and `#N#' in place of each subsequent occurrence, | |
2077 | where N is a positive decimal integer. */); | |
0f25ecc6 RS |
2078 | Vprint_circle = Qnil; |
2079 | ||
2080 | DEFVAR_LISP ("print-continuous-numbering", &Vprint_continuous_numbering, | |
8c1a1077 PJ |
2081 | doc: /* *Non-nil means number continuously across print calls. |
2082 | This affects the numbers printed for #N= labels and #M# references. | |
2083 | See also `print-circle', `print-gensym', and `print-number-table'. | |
2084 | This variable should not be set with `setq'; bind it with a `let' instead. */); | |
0f25ecc6 RS |
2085 | Vprint_continuous_numbering = Qnil; |
2086 | ||
2087 | DEFVAR_LISP ("print-number-table", &Vprint_number_table, | |
8c1a1077 PJ |
2088 | doc: /* A vector used internally to produce `#N=' labels and `#N#' references. |
2089 | The Lisp printer uses this vector to detect Lisp objects referenced more | |
2090 | than once. When `print-continuous-numbering' is bound to t, you should | |
2091 | probably also bind `print-number-table' to nil. This ensures that the | |
2092 | value of `print-number-table' can be garbage-collected once the printing | |
2093 | is done. */); | |
0f25ecc6 | 2094 | Vprint_number_table = Qnil; |
081e0581 | 2095 | |
38010d50 JB |
2096 | /* prin1_to_string_buffer initialized in init_buffer_once in buffer.c */ |
2097 | staticpro (&Vprin1_to_string_buffer); | |
2098 | ||
2099 | defsubr (&Sprin1); | |
2100 | defsubr (&Sprin1_to_string); | |
113620cc | 2101 | defsubr (&Serror_message_string); |
38010d50 JB |
2102 | defsubr (&Sprinc); |
2103 | defsubr (&Sprint); | |
2104 | defsubr (&Sterpri); | |
2105 | defsubr (&Swrite_char); | |
2106 | defsubr (&Sexternal_debugging_output); | |
2107 | ||
2108 | Qexternal_debugging_output = intern ("external-debugging-output"); | |
2109 | staticpro (&Qexternal_debugging_output); | |
2110 | ||
2f100b5c EN |
2111 | Qprint_escape_newlines = intern ("print-escape-newlines"); |
2112 | staticpro (&Qprint_escape_newlines); | |
2113 | ||
835d0be6 RS |
2114 | Qprint_escape_multibyte = intern ("print-escape-multibyte"); |
2115 | staticpro (&Qprint_escape_multibyte); | |
2116 | ||
2117 | Qprint_escape_nonascii = intern ("print-escape-nonascii"); | |
2118 | staticpro (&Qprint_escape_nonascii); | |
2119 | ||
38010d50 | 2120 | defsubr (&Swith_output_to_temp_buffer); |
38010d50 | 2121 | } |