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; \ | |
0788646c GM |
195 | int specpdl_count = specpdl_ptr - specpdl; \ |
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 | { | |
293 | bcopy (XSTRING (saved_text)->data, print_buffer, XSTRING (saved_text)->size); | |
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)) | |
464 | chars = XSTRING (string)->size; | |
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 | ||
475 | chars = STRING_BYTES (XSTRING (string)); | |
476 | bytes = parse_str_to_multibyte (XSTRING (string)->data, chars); | |
477 | if (chars < bytes) | |
478 | { | |
479 | newstr = make_uninit_multibyte_string (chars, bytes); | |
480 | bcopy (XSTRING (string)->data, XSTRING (newstr)->data, chars); | |
481 | str_to_multibyte (XSTRING (newstr)->data, bytes, chars); | |
482 | string = newstr; | |
483 | } | |
484 | } | |
375fcc09 KH |
485 | else |
486 | chars = STRING_BYTES (XSTRING (string)); | |
487 | ||
488 | /* strout is safe for output to a frame (echo area) or to print_buffer. */ | |
489 | strout (XSTRING (string)->data, | |
490 | chars, STRING_BYTES (XSTRING (string)), | |
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 JB |
497 | int i; |
498 | int size = XSTRING (string)->size; | |
fc932ac6 | 499 | int size_byte = STRING_BYTES (XSTRING (string)); |
38010d50 JB |
500 | struct gcpro gcpro1; |
501 | GCPRO1 (string); | |
dc2a0b79 RS |
502 | if (size == size_byte) |
503 | for (i = 0; i < size; i++) | |
504 | PRINTCHAR (XSTRING (string)->data[i]); | |
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; | |
765fe1d0 KH |
511 | int ch = STRING_CHAR_AND_LENGTH (XSTRING (string)->data + i, |
512 | size_byte - i, len); | |
da1ad4e7 KH |
513 | if (!CHAR_VALID_P (ch, 0)) |
514 | { | |
515 | ch = XSTRING (string)->data[i]; | |
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) | |
581 | char *bufname; | |
582 | { | |
d9c21094 | 583 | int count = specpdl_ptr - specpdl; |
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 | ||
2a1c968a | 591 | current_buffer->directory = old->directory; |
38010d50 | 592 | current_buffer->read_only = Qnil; |
c5c6d57c KH |
593 | current_buffer->filename = Qnil; |
594 | current_buffer->undo_list = Qt; | |
595 | current_buffer->overlays_before = Qnil; | |
596 | current_buffer->overlays_after = Qnil; | |
597 | current_buffer->enable_multibyte_characters | |
598 | = buffer_defaults.enable_multibyte_characters; | |
38010d50 | 599 | Ferase_buffer (); |
633307b5 | 600 | XSETBUFFER (buf, current_buffer); |
38010d50 | 601 | |
98040cf1 | 602 | Frun_hooks (1, &Qtemp_buffer_setup_hook); |
d9c21094 RS |
603 | |
604 | unbind_to (count, Qnil); | |
605 | ||
606 | specbind (Qstandard_output, buf); | |
38010d50 JB |
607 | } |
608 | ||
609 | Lisp_Object | |
610 | internal_with_output_to_temp_buffer (bufname, function, args) | |
611 | char *bufname; | |
dfcf069d | 612 | Lisp_Object (*function) P_ ((Lisp_Object)); |
38010d50 JB |
613 | Lisp_Object args; |
614 | { | |
615 | int count = specpdl_ptr - specpdl; | |
616 | Lisp_Object buf, val; | |
0ab39c81 | 617 | struct gcpro gcpro1; |
38010d50 | 618 | |
0ab39c81 | 619 | GCPRO1 (args); |
38010d50 JB |
620 | record_unwind_protect (Fset_buffer, Fcurrent_buffer ()); |
621 | temp_output_buffer_setup (bufname); | |
622 | buf = Vstandard_output; | |
0ab39c81 | 623 | UNGCPRO; |
38010d50 JB |
624 | |
625 | val = (*function) (args); | |
626 | ||
0ab39c81 | 627 | GCPRO1 (val); |
38010d50 | 628 | temp_output_buffer_show (buf); |
0ab39c81 | 629 | UNGCPRO; |
38010d50 JB |
630 | |
631 | return unbind_to (count, val); | |
632 | } | |
633 | ||
ab9ffd19 MB |
634 | DEFUN ("with-output-to-temp-buffer", |
635 | Fwith_output_to_temp_buffer, Swith_output_to_temp_buffer, | |
38010d50 | 636 | 1, UNEVALLED, 0, |
8c1a1077 PJ |
637 | doc: /* Bind `standard-output' to buffer BUFNAME, eval BODY, then show that buffer. |
638 | The buffer is cleared out initially, and marked as unmodified when done. | |
639 | All output done by BODY is inserted in that buffer by default. | |
640 | The buffer is displayed in another window, but not selected. | |
641 | The value of the last form in BODY is returned. | |
642 | If BODY does not finish normally, the buffer BUFNAME is not displayed. | |
643 | ||
644 | The hook `temp-buffer-setup-hook' is run before BODY, | |
645 | with the buffer BUFNAME temporarily current. | |
646 | The hook `temp-buffer-show-hook' is run after the buffer is displayed, | |
647 | with the buffer temporarily current, and the window that was used | |
648 | to display it temporarily selected. | |
649 | ||
650 | If variable `temp-buffer-show-function' is non-nil, call it at the end | |
651 | to get the buffer displayed instead of just displaying the non-selected | |
ab9ffd19 MB |
652 | buffer and calling the hook. It gets one argument, the buffer to display. |
653 | ||
654 | usage: (with-output-to-temp-buffer BUFFNAME BODY ...) */) | |
8c1a1077 | 655 | (args) |
38010d50 JB |
656 | Lisp_Object args; |
657 | { | |
658 | struct gcpro gcpro1; | |
659 | Lisp_Object name; | |
660 | int count = specpdl_ptr - specpdl; | |
661 | Lisp_Object buf, val; | |
662 | ||
663 | GCPRO1(args); | |
664 | name = Feval (Fcar (args)); | |
b7826503 | 665 | CHECK_STRING (name); |
38010d50 JB |
666 | temp_output_buffer_setup (XSTRING (name)->data); |
667 | buf = Vstandard_output; | |
8bbfc258 | 668 | UNGCPRO; |
38010d50 | 669 | |
8bbfc258 | 670 | val = Fprogn (XCDR (args)); |
38010d50 | 671 | |
8bbfc258 | 672 | GCPRO1 (val); |
38010d50 | 673 | temp_output_buffer_show (buf); |
8bbfc258 | 674 | UNGCPRO; |
38010d50 JB |
675 | |
676 | return unbind_to (count, val); | |
677 | } | |
0788646c | 678 | |
38010d50 JB |
679 | \f |
680 | static void print (); | |
0f25ecc6 | 681 | static void print_preprocess (); |
0f25ecc6 | 682 | static void print_preprocess_string (); |
0f25ecc6 | 683 | static void print_object (); |
38010d50 JB |
684 | |
685 | DEFUN ("terpri", Fterpri, Sterpri, 0, 1, 0, | |
8c1a1077 PJ |
686 | doc: /* Output a newline to stream PRINTCHARFUN. |
687 | If PRINTCHARFUN is omitted or nil, the value of `standard-output' is used. */) | |
38010d50 JB |
688 | (printcharfun) |
689 | Lisp_Object printcharfun; | |
690 | { | |
081e0581 | 691 | PRINTDECLARE; |
38010d50 | 692 | |
10eebdbb | 693 | if (NILP (printcharfun)) |
38010d50 JB |
694 | printcharfun = Vstandard_output; |
695 | PRINTPREPARE; | |
696 | PRINTCHAR ('\n'); | |
697 | PRINTFINISH; | |
698 | return Qt; | |
699 | } | |
700 | ||
701 | DEFUN ("prin1", Fprin1, Sprin1, 1, 2, 0, | |
8c1a1077 PJ |
702 | doc: /* Output the printed representation of OBJECT, any Lisp object. |
703 | Quoting characters are printed when needed to make output that `read' | |
9474c847 | 704 | can handle, whenever this is possible. For complex objects, the behavior |
7fab9223 | 705 | is controlled by `print-level' and `print-length', which see. |
8c1a1077 PJ |
706 | |
707 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
708 | a list, a buffer, a window, a frame, etc. | |
709 | ||
710 | A printed representation of an object is text which describes that object. | |
711 | ||
712 | Optional argument PRINTCHARFUN is the output stream, which can be one | |
713 | of these: | |
714 | ||
715 | - a buffer, in which case output is inserted into that buffer at point; | |
716 | - a marker, in which case output is inserted at marker's position; | |
717 | - a function, in which case that function is called once for each | |
718 | character of OBJECT's printed representation; | |
719 | - a symbol, in which case that symbol's function definition is called; or | |
720 | - t, in which case the output is displayed in the echo area. | |
721 | ||
722 | If PRINTCHARFUN is omitted, the value of `standard-output' (which see) | |
723 | is used instead. */) | |
724 | (object, printcharfun) | |
3738a371 | 725 | Lisp_Object object, printcharfun; |
38010d50 | 726 | { |
081e0581 | 727 | PRINTDECLARE; |
38010d50 JB |
728 | |
729 | #ifdef MAX_PRINT_CHARS | |
730 | max_print = 0; | |
731 | #endif /* MAX_PRINT_CHARS */ | |
10eebdbb | 732 | if (NILP (printcharfun)) |
38010d50 JB |
733 | printcharfun = Vstandard_output; |
734 | PRINTPREPARE; | |
3738a371 | 735 | print (object, printcharfun, 1); |
38010d50 | 736 | PRINTFINISH; |
3738a371 | 737 | return object; |
38010d50 JB |
738 | } |
739 | ||
740 | /* a buffer which is used to hold output being built by prin1-to-string */ | |
741 | Lisp_Object Vprin1_to_string_buffer; | |
742 | ||
743 | DEFUN ("prin1-to-string", Fprin1_to_string, Sprin1_to_string, 1, 2, 0, | |
fd4d156b RS |
744 | doc: /* Return a string containing the printed representation of OBJECT. |
745 | OBJECT can be any Lisp object. This function outputs quoting characters | |
cf393f9b | 746 | when necessary to make output that `read' can handle, whenever possible, |
fd4d156b | 747 | unless the optional second argument NOESCAPE is non-nil. |
8c1a1077 PJ |
748 | |
749 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
750 | a list, a buffer, a window, a frame, etc. | |
751 | ||
752 | A printed representation of an object is text which describes that object. */) | |
753 | (object, noescape) | |
3738a371 | 754 | Lisp_Object object, noescape; |
38010d50 | 755 | { |
081e0581 EN |
756 | PRINTDECLARE; |
757 | Lisp_Object printcharfun; | |
2a42e8f6 KH |
758 | struct gcpro gcpro1, gcpro2; |
759 | Lisp_Object tem; | |
760 | ||
761 | /* Save and restore this--we are altering a buffer | |
762 | but we don't want to deactivate the mark just for that. | |
763 | No need for specbind, since errors deactivate the mark. */ | |
764 | tem = Vdeactivate_mark; | |
765 | GCPRO2 (object, tem); | |
38010d50 JB |
766 | |
767 | printcharfun = Vprin1_to_string_buffer; | |
768 | PRINTPREPARE; | |
3738a371 | 769 | print (object, printcharfun, NILP (noescape)); |
38010d50 JB |
770 | /* Make Vprin1_to_string_buffer be the default buffer after PRINTFINSH */ |
771 | PRINTFINISH; | |
772 | set_buffer_internal (XBUFFER (Vprin1_to_string_buffer)); | |
3738a371 | 773 | object = Fbuffer_string (); |
38010d50 | 774 | |
38010d50 JB |
775 | Ferase_buffer (); |
776 | set_buffer_internal (old); | |
2a42e8f6 KH |
777 | |
778 | Vdeactivate_mark = tem; | |
38010d50 JB |
779 | UNGCPRO; |
780 | ||
3738a371 | 781 | return object; |
38010d50 JB |
782 | } |
783 | ||
784 | DEFUN ("princ", Fprinc, Sprinc, 1, 2, 0, | |
8c1a1077 PJ |
785 | doc: /* Output the printed representation of OBJECT, any Lisp object. |
786 | No quoting characters are used; no delimiters are printed around | |
787 | the contents of strings. | |
788 | ||
789 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
790 | a list, a buffer, a window, a frame, etc. | |
791 | ||
792 | A printed representation of an object is text which describes that object. | |
793 | ||
794 | Optional argument PRINTCHARFUN is the output stream, which can be one | |
795 | of these: | |
796 | ||
797 | - a buffer, in which case output is inserted into that buffer at point; | |
798 | - a marker, in which case output is inserted at marker's position; | |
799 | - a function, in which case that function is called once for each | |
800 | character of OBJECT's printed representation; | |
801 | - a symbol, in which case that symbol's function definition is called; or | |
802 | - t, in which case the output is displayed in the echo area. | |
803 | ||
804 | If PRINTCHARFUN is omitted, the value of `standard-output' (which see) | |
805 | is used instead. */) | |
806 | (object, printcharfun) | |
3738a371 | 807 | Lisp_Object object, printcharfun; |
38010d50 | 808 | { |
081e0581 | 809 | PRINTDECLARE; |
38010d50 | 810 | |
10eebdbb | 811 | if (NILP (printcharfun)) |
38010d50 JB |
812 | printcharfun = Vstandard_output; |
813 | PRINTPREPARE; | |
3738a371 | 814 | print (object, printcharfun, 0); |
38010d50 | 815 | PRINTFINISH; |
3738a371 | 816 | return object; |
38010d50 JB |
817 | } |
818 | ||
819 | DEFUN ("print", Fprint, Sprint, 1, 2, 0, | |
8c1a1077 PJ |
820 | doc: /* Output the printed representation of OBJECT, with newlines around it. |
821 | Quoting characters are printed when needed to make output that `read' | |
9474c847 | 822 | can handle, whenever this is possible. For complex objects, the behavior |
7fab9223 | 823 | is controlled by `print-level' and `print-length', which see. |
8c1a1077 PJ |
824 | |
825 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
826 | a list, a buffer, a window, a frame, etc. | |
827 | ||
828 | A printed representation of an object is text which describes that object. | |
829 | ||
830 | Optional argument PRINTCHARFUN is the output stream, which can be one | |
831 | of these: | |
832 | ||
833 | - a buffer, in which case output is inserted into that buffer at point; | |
834 | - a marker, in which case output is inserted at marker's position; | |
835 | - a function, in which case that function is called once for each | |
836 | character of OBJECT's printed representation; | |
837 | - a symbol, in which case that symbol's function definition is called; or | |
838 | - t, in which case the output is displayed in the echo area. | |
839 | ||
840 | If PRINTCHARFUN is omitted, the value of `standard-output' (which see) | |
841 | is used instead. */) | |
842 | (object, printcharfun) | |
3738a371 | 843 | Lisp_Object object, printcharfun; |
38010d50 | 844 | { |
081e0581 | 845 | PRINTDECLARE; |
38010d50 JB |
846 | struct gcpro gcpro1; |
847 | ||
848 | #ifdef MAX_PRINT_CHARS | |
849 | print_chars = 0; | |
850 | max_print = MAX_PRINT_CHARS; | |
851 | #endif /* MAX_PRINT_CHARS */ | |
10eebdbb | 852 | if (NILP (printcharfun)) |
38010d50 | 853 | printcharfun = Vstandard_output; |
3738a371 | 854 | GCPRO1 (object); |
38010d50 | 855 | PRINTPREPARE; |
38010d50 | 856 | PRINTCHAR ('\n'); |
3738a371 | 857 | print (object, printcharfun, 1); |
38010d50 JB |
858 | PRINTCHAR ('\n'); |
859 | PRINTFINISH; | |
860 | #ifdef MAX_PRINT_CHARS | |
861 | max_print = 0; | |
862 | print_chars = 0; | |
863 | #endif /* MAX_PRINT_CHARS */ | |
864 | UNGCPRO; | |
3738a371 | 865 | return object; |
38010d50 JB |
866 | } |
867 | ||
868 | /* The subroutine object for external-debugging-output is kept here | |
869 | for the convenience of the debugger. */ | |
870 | Lisp_Object Qexternal_debugging_output; | |
871 | ||
4746118a | 872 | DEFUN ("external-debugging-output", Fexternal_debugging_output, Sexternal_debugging_output, 1, 1, 0, |
8c1a1077 PJ |
873 | doc: /* Write CHARACTER to stderr. |
874 | You can call print while debugging emacs, and pass it this function | |
875 | to make it write to the debugging output. */) | |
876 | (character) | |
4746118a | 877 | Lisp_Object character; |
38010d50 | 878 | { |
b7826503 | 879 | CHECK_NUMBER (character); |
38010d50 | 880 | putc (XINT (character), stderr); |
cd22039d RS |
881 | |
882 | #ifdef WINDOWSNT | |
883 | /* Send the output to a debugger (nothing happens if there isn't one). */ | |
884 | { | |
885 | char buf[2] = {(char) XINT (character), '\0'}; | |
886 | OutputDebugString (buf); | |
887 | } | |
888 | #endif | |
889 | ||
38010d50 JB |
890 | return character; |
891 | } | |
cf1bb91b RS |
892 | |
893 | /* This is the interface for debugging printing. */ | |
894 | ||
895 | void | |
896 | debug_print (arg) | |
897 | Lisp_Object arg; | |
898 | { | |
899 | Fprin1 (arg, Qexternal_debugging_output); | |
3684eb78 | 900 | fprintf (stderr, "\r\n"); |
cf1bb91b | 901 | } |
38010d50 | 902 | \f |
113620cc KH |
903 | DEFUN ("error-message-string", Ferror_message_string, Serror_message_string, |
904 | 1, 1, 0, | |
8c1a1077 PJ |
905 | doc: /* Convert an error value (ERROR-SYMBOL . DATA) to an error message. */) |
906 | (obj) | |
113620cc KH |
907 | Lisp_Object obj; |
908 | { | |
909 | struct buffer *old = current_buffer; | |
63fbf4ff | 910 | Lisp_Object value; |
113620cc KH |
911 | struct gcpro gcpro1; |
912 | ||
0872e11f RS |
913 | /* If OBJ is (error STRING), just return STRING. |
914 | That is not only faster, it also avoids the need to allocate | |
915 | space here when the error is due to memory full. */ | |
94b342ce KR |
916 | if (CONSP (obj) && EQ (XCAR (obj), Qerror) |
917 | && CONSP (XCDR (obj)) | |
918 | && STRINGP (XCAR (XCDR (obj))) | |
919 | && NILP (XCDR (XCDR (obj)))) | |
920 | return XCAR (XCDR (obj)); | |
0872e11f | 921 | |
dc22f25e | 922 | print_error_message (obj, Vprin1_to_string_buffer); |
113620cc KH |
923 | |
924 | set_buffer_internal (XBUFFER (Vprin1_to_string_buffer)); | |
925 | value = Fbuffer_string (); | |
926 | ||
927 | GCPRO1 (value); | |
928 | Ferase_buffer (); | |
929 | set_buffer_internal (old); | |
930 | UNGCPRO; | |
931 | ||
932 | return value; | |
933 | } | |
934 | ||
c02279de GM |
935 | /* Print an error message for the error DATA onto Lisp output stream |
936 | STREAM (suitable for the print functions). */ | |
113620cc | 937 | |
dc22f25e | 938 | void |
113620cc KH |
939 | print_error_message (data, stream) |
940 | Lisp_Object data, stream; | |
941 | { | |
942 | Lisp_Object errname, errmsg, file_error, tail; | |
943 | struct gcpro gcpro1; | |
944 | int i; | |
945 | ||
946 | errname = Fcar (data); | |
947 | ||
948 | if (EQ (errname, Qerror)) | |
949 | { | |
950 | data = Fcdr (data); | |
c02279de GM |
951 | if (!CONSP (data)) |
952 | data = Qnil; | |
113620cc KH |
953 | errmsg = Fcar (data); |
954 | file_error = Qnil; | |
955 | } | |
956 | else | |
957 | { | |
c02279de | 958 | Lisp_Object error_conditions; |
113620cc | 959 | errmsg = Fget (errname, Qerror_message); |
c02279de GM |
960 | error_conditions = Fget (errname, Qerror_conditions); |
961 | file_error = Fmemq (Qfile_error, error_conditions); | |
113620cc KH |
962 | } |
963 | ||
964 | /* Print an error message including the data items. */ | |
965 | ||
966 | tail = Fcdr_safe (data); | |
967 | GCPRO1 (tail); | |
968 | ||
1d462b4c GM |
969 | /* If we know from where the error was signaled, show it in |
970 | *Messages*. */ | |
971 | if (!NILP (Vsignaling_function) && SYMBOLP (Vsignaling_function)) | |
972 | { | |
973 | char *name = XSYMBOL (Vsignaling_function)->name->data; | |
974 | message_dolog (name, strlen (name), 0, 0); | |
975 | message_dolog (": ", 2, 0, 0); | |
976 | Vsignaling_function = Qnil; | |
977 | } | |
978 | ||
113620cc KH |
979 | /* For file-error, make error message by concatenating |
980 | all the data items. They are all strings. */ | |
8c29413d | 981 | if (!NILP (file_error) && CONSP (tail)) |
94b342ce | 982 | errmsg = XCAR (tail), tail = XCDR (tail); |
113620cc KH |
983 | |
984 | if (STRINGP (errmsg)) | |
985 | Fprinc (errmsg, stream); | |
986 | else | |
987 | write_string_1 ("peculiar error", -1, stream); | |
988 | ||
c02279de | 989 | for (i = 0; CONSP (tail); tail = XCDR (tail), i++) |
113620cc | 990 | { |
c02279de GM |
991 | Lisp_Object obj; |
992 | ||
113620cc | 993 | write_string_1 (i ? ", " : ": ", 2, stream); |
c02279de GM |
994 | obj = XCAR (tail); |
995 | if (!NILP (file_error) || EQ (errname, Qend_of_file)) | |
996 | Fprinc (obj, stream); | |
113620cc | 997 | else |
c02279de | 998 | Fprin1 (obj, stream); |
113620cc | 999 | } |
c02279de | 1000 | |
113620cc KH |
1001 | UNGCPRO; |
1002 | } | |
38010d50 | 1003 | |
c02279de GM |
1004 | |
1005 | \f | |
38010d50 | 1006 | /* |
edb2a707 | 1007 | * The buffer should be at least as large as the max string size of the |
8e6208c5 | 1008 | * largest float, printed in the biggest notation. This is undoubtedly |
38010d50 JB |
1009 | * 20d float_output_format, with the negative of the C-constant "HUGE" |
1010 | * from <math.h>. | |
1011 | * | |
1012 | * On the vax the worst case is -1e38 in 20d format which takes 61 bytes. | |
1013 | * | |
1014 | * I assume that IEEE-754 format numbers can take 329 bytes for the worst | |
1015 | * case of -1e307 in 20d float_output_format. What is one to do (short of | |
1016 | * re-writing _doprnt to be more sane)? | |
1017 | * -wsr | |
1018 | */ | |
edb2a707 RS |
1019 | |
1020 | void | |
1021 | float_to_string (buf, data) | |
8b24d146 | 1022 | unsigned char *buf; |
38010d50 JB |
1023 | double data; |
1024 | { | |
c7b14277 | 1025 | unsigned char *cp; |
322890c4 | 1026 | int width; |
38010d50 | 1027 | |
7f45de2d RS |
1028 | /* Check for plus infinity in a way that won't lose |
1029 | if there is no plus infinity. */ | |
1030 | if (data == data / 2 && data > 1.0) | |
1031 | { | |
1032 | strcpy (buf, "1.0e+INF"); | |
1033 | return; | |
1034 | } | |
1035 | /* Likewise for minus infinity. */ | |
1036 | if (data == data / 2 && data < -1.0) | |
1037 | { | |
1038 | strcpy (buf, "-1.0e+INF"); | |
1039 | return; | |
1040 | } | |
1041 | /* Check for NaN in a way that won't fail if there are no NaNs. */ | |
1042 | if (! (data * 0.0 >= 0.0)) | |
1043 | { | |
68c45bf0 PE |
1044 | /* Prepend "-" if the NaN's sign bit is negative. |
1045 | The sign bit of a double is the bit that is 1 in -0.0. */ | |
1046 | int i; | |
1047 | union { double d; char c[sizeof (double)]; } u_data, u_minus_zero; | |
1048 | u_data.d = data; | |
1049 | u_minus_zero.d = - 0.0; | |
1050 | for (i = 0; i < sizeof (double); i++) | |
1051 | if (u_data.c[i] & u_minus_zero.c[i]) | |
1052 | { | |
1053 | *buf++ = '-'; | |
1054 | break; | |
1055 | } | |
1056 | ||
7f45de2d RS |
1057 | strcpy (buf, "0.0e+NaN"); |
1058 | return; | |
1059 | } | |
1060 | ||
10eebdbb | 1061 | if (NILP (Vfloat_output_format) |
d4ae1f7e | 1062 | || !STRINGP (Vfloat_output_format)) |
38010d50 | 1063 | lose: |
322890c4 | 1064 | { |
f356c3fb PE |
1065 | /* Generate the fewest number of digits that represent the |
1066 | floating point value without losing information. | |
1067 | The following method is simple but a bit slow. | |
1068 | For ideas about speeding things up, please see: | |
1069 | ||
1070 | Guy L Steele Jr & Jon L White, How to print floating-point numbers | |
1071 | accurately. SIGPLAN notices 25, 6 (June 1990), 112-126. | |
1072 | ||
1073 | Robert G Burger & R Kent Dybvig, Printing floating point numbers | |
1074 | quickly and accurately, SIGPLAN notices 31, 5 (May 1996), 108-116. */ | |
1075 | ||
1076 | width = fabs (data) < DBL_MIN ? 1 : DBL_DIG; | |
1077 | do | |
1078 | sprintf (buf, "%.*g", width, data); | |
1079 | while (width++ < DOUBLE_DIGITS_BOUND && atof (buf) != data); | |
322890c4 | 1080 | } |
38010d50 JB |
1081 | else /* oink oink */ |
1082 | { | |
1083 | /* Check that the spec we have is fully valid. | |
1084 | This means not only valid for printf, | |
1085 | but meant for floats, and reasonable. */ | |
1086 | cp = XSTRING (Vfloat_output_format)->data; | |
1087 | ||
1088 | if (cp[0] != '%') | |
1089 | goto lose; | |
1090 | if (cp[1] != '.') | |
1091 | goto lose; | |
1092 | ||
1093 | cp += 2; | |
c7b14277 JB |
1094 | |
1095 | /* Check the width specification. */ | |
322890c4 | 1096 | width = -1; |
c7b14277 | 1097 | if ('0' <= *cp && *cp <= '9') |
381cd4bb KH |
1098 | { |
1099 | width = 0; | |
1100 | do | |
1101 | width = (width * 10) + (*cp++ - '0'); | |
1102 | while (*cp >= '0' && *cp <= '9'); | |
1103 | ||
1104 | /* A precision of zero is valid only for %f. */ | |
1105 | if (width > DBL_DIG | |
1106 | || (width == 0 && *cp != 'f')) | |
1107 | goto lose; | |
1108 | } | |
38010d50 JB |
1109 | |
1110 | if (*cp != 'e' && *cp != 'f' && *cp != 'g') | |
1111 | goto lose; | |
1112 | ||
38010d50 JB |
1113 | if (cp[1] != 0) |
1114 | goto lose; | |
1115 | ||
1116 | sprintf (buf, XSTRING (Vfloat_output_format)->data, data); | |
1117 | } | |
edb2a707 | 1118 | |
c7b14277 JB |
1119 | /* Make sure there is a decimal point with digit after, or an |
1120 | exponent, so that the value is readable as a float. But don't do | |
322890c4 RS |
1121 | this with "%.0f"; it's valid for that not to produce a decimal |
1122 | point. Note that width can be 0 only for %.0f. */ | |
1123 | if (width != 0) | |
0601fd3d | 1124 | { |
c7b14277 JB |
1125 | for (cp = buf; *cp; cp++) |
1126 | if ((*cp < '0' || *cp > '9') && *cp != '-') | |
1127 | break; | |
0601fd3d | 1128 | |
c7b14277 JB |
1129 | if (*cp == '.' && cp[1] == 0) |
1130 | { | |
1131 | cp[1] = '0'; | |
1132 | cp[2] = 0; | |
1133 | } | |
1134 | ||
1135 | if (*cp == 0) | |
1136 | { | |
1137 | *cp++ = '.'; | |
1138 | *cp++ = '0'; | |
1139 | *cp++ = 0; | |
1140 | } | |
edb2a707 | 1141 | } |
38010d50 | 1142 | } |
cc94f3b2 | 1143 | |
38010d50 JB |
1144 | \f |
1145 | static void | |
1146 | print (obj, printcharfun, escapeflag) | |
38010d50 | 1147 | Lisp_Object obj; |
38010d50 JB |
1148 | register Lisp_Object printcharfun; |
1149 | int escapeflag; | |
1150 | { | |
0f25ecc6 | 1151 | print_depth = 0; |
38010d50 | 1152 | |
0f25ecc6 RS |
1153 | /* Reset print_number_index and Vprint_number_table only when |
1154 | the variable Vprint_continuous_numbering is nil. Otherwise, | |
1155 | the values of these variables will be kept between several | |
1156 | print functions. */ | |
1157 | if (NILP (Vprint_continuous_numbering)) | |
1158 | { | |
1159 | print_number_index = 0; | |
1160 | Vprint_number_table = Qnil; | |
1161 | } | |
38010d50 | 1162 | |
0f25ecc6 RS |
1163 | /* Construct Vprint_number_table for print-gensym and print-circle. */ |
1164 | if (!NILP (Vprint_gensym) || !NILP (Vprint_circle)) | |
ec838c39 | 1165 | { |
73fb36f1 | 1166 | int i, start, index; |
0f25ecc6 | 1167 | /* Construct Vprint_number_table. */ |
73fb36f1 | 1168 | start = index = print_number_index; |
0f25ecc6 RS |
1169 | print_preprocess (obj); |
1170 | /* Remove unnecessary objects, which appear only once in OBJ; | |
1171 | that is, whose status is Qnil. */ | |
73fb36f1 | 1172 | for (i = start; i < print_number_index; i++) |
0f25ecc6 RS |
1173 | if (!NILP (PRINT_NUMBER_STATUS (Vprint_number_table, i))) |
1174 | { | |
1175 | PRINT_NUMBER_OBJECT (Vprint_number_table, index) | |
1176 | = PRINT_NUMBER_OBJECT (Vprint_number_table, i); | |
1177 | /* Reset the status field for the next print step. Now this | |
1178 | field means whether the object has already been printed. */ | |
1179 | PRINT_NUMBER_STATUS (Vprint_number_table, index) = Qnil; | |
1180 | index++; | |
1181 | } | |
1182 | print_number_index = index; | |
1183 | } | |
1184 | ||
1185 | print_object (obj, printcharfun, escapeflag); | |
1186 | } | |
1187 | ||
1188 | /* Construct Vprint_number_table according to the structure of OBJ. | |
1189 | OBJ itself and all its elements will be added to Vprint_number_table | |
1190 | recursively if it is a list, vector, compiled function, char-table, | |
1191 | string (its text properties will be traced), or a symbol that has | |
1192 | no obarray (this is for the print-gensym feature). | |
1193 | The status fields of Vprint_number_table mean whether each object appears | |
1194 | more than once in OBJ: Qnil at the first time, and Qt after that . */ | |
1195 | static void | |
1196 | print_preprocess (obj) | |
1197 | Lisp_Object obj; | |
1198 | { | |
1199 | int i, size; | |
1200 | ||
1201 | loop: | |
1202 | if (STRINGP (obj) || CONSP (obj) || VECTORP (obj) | |
1203 | || COMPILEDP (obj) || CHAR_TABLE_P (obj) | |
1204 | || (! NILP (Vprint_gensym) | |
bf9f2aab GM |
1205 | && SYMBOLP (obj) |
1206 | && !SYMBOL_INTERNED_P (obj))) | |
0f25ecc6 | 1207 | { |
aca2020b KH |
1208 | /* In case print-circle is nil and print-gensym is t, |
1209 | add OBJ to Vprint_number_table only when OBJ is a symbol. */ | |
1210 | if (! NILP (Vprint_circle) || SYMBOLP (obj)) | |
0f25ecc6 | 1211 | { |
0f25ecc6 | 1212 | for (i = 0; i < print_number_index; i++) |
7c752c80 | 1213 | if (EQ (PRINT_NUMBER_OBJECT (Vprint_number_table, i), obj)) |
aca2020b KH |
1214 | { |
1215 | /* OBJ appears more than once. Let's remember that. */ | |
1216 | PRINT_NUMBER_STATUS (Vprint_number_table, i) = Qt; | |
1217 | return; | |
1218 | } | |
1219 | ||
1220 | /* OBJ is not yet recorded. Let's add to the table. */ | |
1221 | if (print_number_index == 0) | |
1222 | { | |
1223 | /* Initialize the table. */ | |
1224 | Vprint_number_table = Fmake_vector (make_number (40), Qnil); | |
1225 | } | |
1226 | else if (XVECTOR (Vprint_number_table)->size == print_number_index * 2) | |
0f25ecc6 | 1227 | { |
aca2020b KH |
1228 | /* Reallocate the table. */ |
1229 | int i = print_number_index * 4; | |
1230 | Lisp_Object old_table = Vprint_number_table; | |
1231 | Vprint_number_table = Fmake_vector (make_number (i), Qnil); | |
1232 | for (i = 0; i < print_number_index; i++) | |
1233 | { | |
1234 | PRINT_NUMBER_OBJECT (Vprint_number_table, i) | |
1235 | = PRINT_NUMBER_OBJECT (old_table, i); | |
1236 | PRINT_NUMBER_STATUS (Vprint_number_table, i) | |
1237 | = PRINT_NUMBER_STATUS (old_table, i); | |
1238 | } | |
0f25ecc6 | 1239 | } |
aca2020b KH |
1240 | PRINT_NUMBER_OBJECT (Vprint_number_table, print_number_index) = obj; |
1241 | /* If Vprint_continuous_numbering is non-nil and OBJ is a gensym, | |
1242 | always print the gensym with a number. This is a special for | |
1243 | the lisp function byte-compile-output-docform. */ | |
bf9f2aab GM |
1244 | if (!NILP (Vprint_continuous_numbering) |
1245 | && SYMBOLP (obj) | |
1246 | && !SYMBOL_INTERNED_P (obj)) | |
aca2020b KH |
1247 | PRINT_NUMBER_STATUS (Vprint_number_table, print_number_index) = Qt; |
1248 | print_number_index++; | |
0f25ecc6 | 1249 | } |
0f25ecc6 RS |
1250 | |
1251 | switch (XGCTYPE (obj)) | |
1252 | { | |
1253 | case Lisp_String: | |
0f25ecc6 | 1254 | /* A string may have text properties, which can be circular. */ |
8bbfc258 SM |
1255 | traverse_intervals_noorder (XSTRING (obj)->intervals, |
1256 | print_preprocess_string, Qnil); | |
0f25ecc6 RS |
1257 | break; |
1258 | ||
1259 | case Lisp_Cons: | |
1260 | print_preprocess (XCAR (obj)); | |
1261 | obj = XCDR (obj); | |
1262 | goto loop; | |
1263 | ||
1264 | case Lisp_Vectorlike: | |
1265 | size = XVECTOR (obj)->size & PSEUDOVECTOR_SIZE_MASK; | |
1266 | for (i = 0; i < size; i++) | |
1267 | print_preprocess (XVECTOR (obj)->contents[i]); | |
ee5263af GM |
1268 | break; |
1269 | ||
1270 | default: | |
1271 | break; | |
0f25ecc6 RS |
1272 | } |
1273 | } | |
1274 | } | |
1275 | ||
0f25ecc6 RS |
1276 | static void |
1277 | print_preprocess_string (interval, arg) | |
1278 | INTERVAL interval; | |
1279 | Lisp_Object arg; | |
1280 | { | |
1281 | print_preprocess (interval->plist); | |
1282 | } | |
0f25ecc6 RS |
1283 | |
1284 | static void | |
1285 | print_object (obj, printcharfun, escapeflag) | |
1286 | Lisp_Object obj; | |
1287 | register Lisp_Object printcharfun; | |
1288 | int escapeflag; | |
1289 | { | |
1290 | char buf[30]; | |
1291 | ||
1292 | QUIT; | |
1293 | ||
1294 | /* Detect circularities and truncate them. */ | |
1295 | if (STRINGP (obj) || CONSP (obj) || VECTORP (obj) | |
1296 | || COMPILEDP (obj) || CHAR_TABLE_P (obj) | |
1297 | || (! NILP (Vprint_gensym) | |
bf9f2aab GM |
1298 | && SYMBOLP (obj) |
1299 | && !SYMBOL_INTERNED_P (obj))) | |
0f25ecc6 RS |
1300 | { |
1301 | if (NILP (Vprint_circle) && NILP (Vprint_gensym)) | |
1302 | { | |
1303 | /* Simple but incomplete way. */ | |
1304 | int i; | |
1305 | for (i = 0; i < print_depth; i++) | |
1306 | if (EQ (obj, being_printed[i])) | |
1307 | { | |
1308 | sprintf (buf, "#%d", i); | |
1309 | strout (buf, -1, -1, printcharfun, 0); | |
1310 | return; | |
1311 | } | |
1312 | being_printed[print_depth] = obj; | |
1313 | } | |
1314 | else | |
1315 | { | |
1316 | /* With the print-circle feature. */ | |
1317 | int i; | |
1318 | for (i = 0; i < print_number_index; i++) | |
7c752c80 | 1319 | if (EQ (PRINT_NUMBER_OBJECT (Vprint_number_table, i), obj)) |
0f25ecc6 RS |
1320 | { |
1321 | if (NILP (PRINT_NUMBER_STATUS (Vprint_number_table, i))) | |
1322 | { | |
1323 | /* Add a prefix #n= if OBJ has not yet been printed; | |
1324 | that is, its status field is nil. */ | |
1325 | sprintf (buf, "#%d=", i + 1); | |
1326 | strout (buf, -1, -1, printcharfun, 0); | |
1327 | /* OBJ is going to be printed. Set the status to t. */ | |
1328 | PRINT_NUMBER_STATUS (Vprint_number_table, i) = Qt; | |
1329 | break; | |
1330 | } | |
1331 | else | |
1332 | { | |
1333 | /* Just print #n# if OBJ has already been printed. */ | |
1334 | sprintf (buf, "#%d#", i + 1); | |
1335 | strout (buf, -1, -1, printcharfun, 0); | |
1336 | return; | |
1337 | } | |
1338 | } | |
1339 | } | |
ec838c39 | 1340 | } |
ec838c39 | 1341 | |
38010d50 JB |
1342 | print_depth++; |
1343 | ||
ec838c39 | 1344 | if (print_depth > PRINT_CIRCLE) |
38010d50 JB |
1345 | error ("Apparently circular structure being printed"); |
1346 | #ifdef MAX_PRINT_CHARS | |
1347 | if (max_print && print_chars > max_print) | |
1348 | { | |
1349 | PRINTCHAR ('\n'); | |
1350 | print_chars = 0; | |
1351 | } | |
1352 | #endif /* MAX_PRINT_CHARS */ | |
1353 | ||
ca0569ad | 1354 | switch (XGCTYPE (obj)) |
38010d50 | 1355 | { |
ca0569ad | 1356 | case Lisp_Int: |
b8180922 RS |
1357 | if (sizeof (int) == sizeof (EMACS_INT)) |
1358 | sprintf (buf, "%d", XINT (obj)); | |
1359 | else if (sizeof (long) == sizeof (EMACS_INT)) | |
63fbf4ff | 1360 | sprintf (buf, "%ld", (long) XINT (obj)); |
b8180922 RS |
1361 | else |
1362 | abort (); | |
dc2a0b79 | 1363 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1364 | break; |
1365 | ||
ca0569ad RS |
1366 | case Lisp_Float: |
1367 | { | |
1368 | char pigbuf[350]; /* see comments in float_to_string */ | |
38010d50 | 1369 | |
94b342ce | 1370 | float_to_string (pigbuf, XFLOAT_DATA (obj)); |
dc2a0b79 | 1371 | strout (pigbuf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1372 | } |
1373 | break; | |
ca0569ad RS |
1374 | |
1375 | case Lisp_String: | |
38010d50 JB |
1376 | if (!escapeflag) |
1377 | print_string (obj, printcharfun); | |
1378 | else | |
1379 | { | |
dc2a0b79 | 1380 | register int i, i_byte; |
38010d50 | 1381 | struct gcpro gcpro1; |
872a36d2 | 1382 | unsigned char *str; |
dc2a0b79 | 1383 | int size_byte; |
453fa987 RS |
1384 | /* 1 means we must ensure that the next character we output |
1385 | cannot be taken as part of a hex character escape. */ | |
1386 | int need_nonhex = 0; | |
db300f59 | 1387 | int multibyte = STRING_MULTIBYTE (obj); |
38010d50 | 1388 | |
7651e1f5 RS |
1389 | GCPRO1 (obj); |
1390 | ||
7651e1f5 RS |
1391 | if (!NULL_INTERVAL_P (XSTRING (obj)->intervals)) |
1392 | { | |
1393 | PRINTCHAR ('#'); | |
1394 | PRINTCHAR ('('); | |
1395 | } | |
38010d50 JB |
1396 | |
1397 | PRINTCHAR ('\"'); | |
872a36d2 | 1398 | str = XSTRING (obj)->data; |
fc932ac6 | 1399 | size_byte = STRING_BYTES (XSTRING (obj)); |
dc2a0b79 RS |
1400 | |
1401 | for (i = 0, i_byte = 0; i_byte < size_byte;) | |
38010d50 | 1402 | { |
6ddd6eee RS |
1403 | /* Here, we must convert each multi-byte form to the |
1404 | corresponding character code before handing it to PRINTCHAR. */ | |
1405 | int len; | |
dc2a0b79 RS |
1406 | int c; |
1407 | ||
db300f59 | 1408 | if (multibyte) |
872a36d2 | 1409 | { |
765fe1d0 KH |
1410 | c = STRING_CHAR_AND_LENGTH (str + i_byte, |
1411 | size_byte - i_byte, len); | |
da1ad4e7 KH |
1412 | if (CHAR_VALID_P (c, 0)) |
1413 | i_byte += len; | |
1414 | else | |
1415 | c = str[i_byte++]; | |
872a36d2 | 1416 | } |
dc2a0b79 | 1417 | else |
872a36d2 | 1418 | c = str[i_byte++]; |
dc2a0b79 | 1419 | |
38010d50 | 1420 | QUIT; |
6ddd6eee | 1421 | |
38010d50 JB |
1422 | if (c == '\n' && print_escape_newlines) |
1423 | { | |
1424 | PRINTCHAR ('\\'); | |
1425 | PRINTCHAR ('n'); | |
1426 | } | |
c6f7982f RM |
1427 | else if (c == '\f' && print_escape_newlines) |
1428 | { | |
1429 | PRINTCHAR ('\\'); | |
1430 | PRINTCHAR ('f'); | |
1431 | } | |
db300f59 | 1432 | else if (multibyte && ! ASCII_BYTE_P (c) |
d39f07c2 | 1433 | && print_escape_multibyte) |
dc2a0b79 RS |
1434 | { |
1435 | /* When multibyte is disabled, | |
1436 | print multibyte string chars using hex escapes. */ | |
1437 | unsigned char outbuf[50]; | |
1438 | sprintf (outbuf, "\\x%x", c); | |
1439 | strout (outbuf, -1, -1, printcharfun, 0); | |
453fa987 | 1440 | need_nonhex = 1; |
dc2a0b79 | 1441 | } |
db300f59 RS |
1442 | else if (! multibyte |
1443 | && SINGLE_BYTE_CHAR_P (c) && ! ASCII_BYTE_P (c) | |
835d0be6 | 1444 | && print_escape_nonascii) |
974a6ff5 | 1445 | { |
835d0be6 RS |
1446 | /* When printing in a multibyte buffer |
1447 | or when explicitly requested, | |
974a6ff5 KH |
1448 | print single-byte non-ASCII string chars |
1449 | using octal escapes. */ | |
1450 | unsigned char outbuf[5]; | |
1451 | sprintf (outbuf, "\\%03o", c); | |
1452 | strout (outbuf, -1, -1, printcharfun, 0); | |
1453 | } | |
38010d50 JB |
1454 | else |
1455 | { | |
453fa987 RS |
1456 | /* If we just had a hex escape, and this character |
1457 | could be taken as part of it, | |
1458 | output `\ ' to prevent that. */ | |
1b62edd6 KH |
1459 | if (need_nonhex) |
1460 | { | |
1461 | need_nonhex = 0; | |
1462 | if ((c >= 'a' && c <= 'f') | |
453fa987 | 1463 | || (c >= 'A' && c <= 'F') |
1b62edd6 KH |
1464 | || (c >= '0' && c <= '9')) |
1465 | strout ("\\ ", -1, -1, printcharfun, 0); | |
1466 | } | |
453fa987 | 1467 | |
38010d50 JB |
1468 | if (c == '\"' || c == '\\') |
1469 | PRINTCHAR ('\\'); | |
1470 | PRINTCHAR (c); | |
1471 | } | |
1472 | } | |
1473 | PRINTCHAR ('\"'); | |
7651e1f5 | 1474 | |
7651e1f5 RS |
1475 | if (!NULL_INTERVAL_P (XSTRING (obj)->intervals)) |
1476 | { | |
7651e1f5 | 1477 | traverse_intervals (XSTRING (obj)->intervals, |
8bbfc258 | 1478 | 0, print_interval, printcharfun); |
7651e1f5 RS |
1479 | PRINTCHAR (')'); |
1480 | } | |
7651e1f5 | 1481 | |
38010d50 JB |
1482 | UNGCPRO; |
1483 | } | |
ca0569ad | 1484 | break; |
38010d50 | 1485 | |
ca0569ad RS |
1486 | case Lisp_Symbol: |
1487 | { | |
1488 | register int confusing; | |
1489 | register unsigned char *p = XSYMBOL (obj)->name->data; | |
fc932ac6 | 1490 | register unsigned char *end = p + STRING_BYTES (XSYMBOL (obj)->name); |
2190a05e | 1491 | register int c; |
dc2a0b79 RS |
1492 | int i, i_byte, size_byte; |
1493 | Lisp_Object name; | |
1494 | ||
1495 | XSETSTRING (name, XSYMBOL (obj)->name); | |
ca0569ad RS |
1496 | |
1497 | if (p != end && (*p == '-' || *p == '+')) p++; | |
1498 | if (p == end) | |
1499 | confusing = 0; | |
d27497e3 RS |
1500 | /* If symbol name begins with a digit, and ends with a digit, |
1501 | and contains nothing but digits and `e', it could be treated | |
1502 | as a number. So set CONFUSING. | |
1503 | ||
1504 | Symbols that contain periods could also be taken as numbers, | |
1505 | but periods are always escaped, so we don't have to worry | |
1506 | about them here. */ | |
1507 | else if (*p >= '0' && *p <= '9' | |
1508 | && end[-1] >= '0' && end[-1] <= '9') | |
ca0569ad | 1509 | { |
e837058b RS |
1510 | while (p != end && ((*p >= '0' && *p <= '9') |
1511 | /* Needed for \2e10. */ | |
1512 | || *p == 'e')) | |
ca0569ad RS |
1513 | p++; |
1514 | confusing = (end == p); | |
1515 | } | |
d27497e3 RS |
1516 | else |
1517 | confusing = 0; | |
ca0569ad | 1518 | |
bf9f2aab | 1519 | if (! NILP (Vprint_gensym) && !SYMBOL_INTERNED_P (obj)) |
081e0581 | 1520 | { |
081e0581 EN |
1521 | PRINTCHAR ('#'); |
1522 | PRINTCHAR (':'); | |
1523 | } | |
1524 | ||
fc932ac6 | 1525 | size_byte = STRING_BYTES (XSTRING (name)); |
dc2a0b79 RS |
1526 | |
1527 | for (i = 0, i_byte = 0; i_byte < size_byte;) | |
ca0569ad | 1528 | { |
6ddd6eee RS |
1529 | /* Here, we must convert each multi-byte form to the |
1530 | corresponding character code before handing it to PRINTCHAR. */ | |
eba90784 | 1531 | FETCH_STRING_CHAR_ADVANCE (c, name, i, i_byte); |
ca0569ad | 1532 | QUIT; |
09eddb56 | 1533 | |
ca0569ad RS |
1534 | if (escapeflag) |
1535 | { | |
09eddb56 RS |
1536 | if (c == '\"' || c == '\\' || c == '\'' |
1537 | || c == ';' || c == '#' || c == '(' || c == ')' | |
1538 | || c == ',' || c =='.' || c == '`' | |
1539 | || c == '[' || c == ']' || c == '?' || c <= 040 | |
1540 | || confusing) | |
ca0569ad RS |
1541 | PRINTCHAR ('\\'), confusing = 0; |
1542 | } | |
1543 | PRINTCHAR (c); | |
1544 | } | |
1545 | } | |
1546 | break; | |
1547 | ||
1548 | case Lisp_Cons: | |
38010d50 | 1549 | /* If deeper than spec'd depth, print placeholder. */ |
d4ae1f7e | 1550 | if (INTEGERP (Vprint_level) |
38010d50 | 1551 | && print_depth > XINT (Vprint_level)) |
dc2a0b79 | 1552 | strout ("...", -1, -1, printcharfun, 0); |
2f100b5c EN |
1553 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) |
1554 | && (EQ (XCAR (obj), Qquote))) | |
1555 | { | |
1556 | PRINTCHAR ('\''); | |
0f25ecc6 | 1557 | print_object (XCAR (XCDR (obj)), printcharfun, escapeflag); |
2f100b5c EN |
1558 | } |
1559 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) | |
1560 | && (EQ (XCAR (obj), Qfunction))) | |
1561 | { | |
1562 | PRINTCHAR ('#'); | |
1563 | PRINTCHAR ('\''); | |
0f25ecc6 | 1564 | print_object (XCAR (XCDR (obj)), printcharfun, escapeflag); |
2f100b5c EN |
1565 | } |
1566 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) | |
1567 | && ((EQ (XCAR (obj), Qbackquote) | |
1568 | || EQ (XCAR (obj), Qcomma) | |
1569 | || EQ (XCAR (obj), Qcomma_at) | |
1570 | || EQ (XCAR (obj), Qcomma_dot)))) | |
1571 | { | |
0f25ecc6 RS |
1572 | print_object (XCAR (obj), printcharfun, 0); |
1573 | print_object (XCAR (XCDR (obj)), printcharfun, escapeflag); | |
2f100b5c | 1574 | } |
e0f93814 | 1575 | else |
38010d50 | 1576 | { |
e0f93814 | 1577 | PRINTCHAR ('('); |
38010d50 | 1578 | { |
42ac1ed4 | 1579 | int print_length, i; |
1eab22b5 | 1580 | Lisp_Object halftail = obj; |
e0f93814 | 1581 | |
9ab8560d | 1582 | /* Negative values of print-length are invalid in CL. |
42ac1ed4 GM |
1583 | Treat them like nil, as CMUCL does. */ |
1584 | if (NATNUMP (Vprint_length)) | |
1585 | print_length = XFASTINT (Vprint_length); | |
1586 | else | |
1587 | print_length = 0; | |
1588 | ||
1589 | i = 0; | |
e0f93814 | 1590 | while (CONSP (obj)) |
38010d50 | 1591 | { |
1eab22b5 | 1592 | /* Detect circular list. */ |
0f25ecc6 | 1593 | if (NILP (Vprint_circle)) |
1eab22b5 | 1594 | { |
0f25ecc6 RS |
1595 | /* Simple but imcomplete way. */ |
1596 | if (i != 0 && EQ (obj, halftail)) | |
1597 | { | |
1598 | sprintf (buf, " . #%d", i / 2); | |
1599 | strout (buf, -1, -1, printcharfun, 0); | |
1600 | goto end_of_list; | |
1601 | } | |
1602 | } | |
1603 | else | |
1604 | { | |
1605 | /* With the print-circle feature. */ | |
1606 | if (i != 0) | |
1607 | { | |
1608 | int i; | |
1609 | for (i = 0; i < print_number_index; i++) | |
42ac1ed4 GM |
1610 | if (EQ (PRINT_NUMBER_OBJECT (Vprint_number_table, i), |
1611 | obj)) | |
0f25ecc6 RS |
1612 | { |
1613 | if (NILP (PRINT_NUMBER_STATUS (Vprint_number_table, i))) | |
1614 | { | |
1615 | strout (" . ", 3, 3, printcharfun, 0); | |
1616 | print_object (obj, printcharfun, escapeflag); | |
1617 | } | |
1618 | else | |
1619 | { | |
1620 | sprintf (buf, " . #%d#", i + 1); | |
1621 | strout (buf, -1, -1, printcharfun, 0); | |
1622 | } | |
1623 | goto end_of_list; | |
1624 | } | |
1625 | } | |
1eab22b5 | 1626 | } |
42ac1ed4 | 1627 | |
e0f93814 KH |
1628 | if (i++) |
1629 | PRINTCHAR (' '); | |
42ac1ed4 | 1630 | |
f4fe72d5 | 1631 | if (print_length && i > print_length) |
e0f93814 | 1632 | { |
dc2a0b79 | 1633 | strout ("...", 3, 3, printcharfun, 0); |
0f25ecc6 | 1634 | goto end_of_list; |
e0f93814 | 1635 | } |
42ac1ed4 | 1636 | |
0f25ecc6 | 1637 | print_object (XCAR (obj), printcharfun, escapeflag); |
42ac1ed4 | 1638 | |
2f100b5c | 1639 | obj = XCDR (obj); |
1eab22b5 RS |
1640 | if (!(i & 1)) |
1641 | halftail = XCDR (halftail); | |
38010d50 | 1642 | } |
38010d50 | 1643 | } |
42ac1ed4 GM |
1644 | |
1645 | /* OBJ non-nil here means it's the end of a dotted list. */ | |
2f100b5c | 1646 | if (!NILP (obj)) |
e0f93814 | 1647 | { |
dc2a0b79 | 1648 | strout (" . ", 3, 3, printcharfun, 0); |
0f25ecc6 | 1649 | print_object (obj, printcharfun, escapeflag); |
e0f93814 | 1650 | } |
42ac1ed4 | 1651 | |
0f25ecc6 | 1652 | end_of_list: |
e0f93814 | 1653 | PRINTCHAR (')'); |
38010d50 | 1654 | } |
ca0569ad RS |
1655 | break; |
1656 | ||
1657 | case Lisp_Vectorlike: | |
1658 | if (PROCESSP (obj)) | |
1659 | { | |
1660 | if (escapeflag) | |
1661 | { | |
dc2a0b79 | 1662 | strout ("#<process ", -1, -1, printcharfun, 0); |
ca0569ad RS |
1663 | print_string (XPROCESS (obj)->name, printcharfun); |
1664 | PRINTCHAR ('>'); | |
1665 | } | |
1666 | else | |
1667 | print_string (XPROCESS (obj)->name, printcharfun); | |
1668 | } | |
ed2c35ef RS |
1669 | else if (BOOL_VECTOR_P (obj)) |
1670 | { | |
1671 | register int i; | |
1672 | register unsigned char c; | |
1673 | struct gcpro gcpro1; | |
ed2c35ef | 1674 | int size_in_chars |
1bad7c59 | 1675 | = (XBOOL_VECTOR (obj)->size + BITS_PER_CHAR - 1) / BITS_PER_CHAR; |
ed2c35ef RS |
1676 | |
1677 | GCPRO1 (obj); | |
1678 | ||
1679 | PRINTCHAR ('#'); | |
1680 | PRINTCHAR ('&'); | |
1681 | sprintf (buf, "%d", XBOOL_VECTOR (obj)->size); | |
dc2a0b79 | 1682 | strout (buf, -1, -1, printcharfun, 0); |
ed2c35ef | 1683 | PRINTCHAR ('\"'); |
a40384bc | 1684 | |
42ac1ed4 | 1685 | /* Don't print more characters than the specified maximum. |
9ab8560d | 1686 | Negative values of print-length are invalid. Treat them |
42ac1ed4 GM |
1687 | like a print-length of nil. */ |
1688 | if (NATNUMP (Vprint_length) | |
1689 | && XFASTINT (Vprint_length) < size_in_chars) | |
1690 | size_in_chars = XFASTINT (Vprint_length); | |
a40384bc | 1691 | |
ed2c35ef RS |
1692 | for (i = 0; i < size_in_chars; i++) |
1693 | { | |
1694 | QUIT; | |
1695 | c = XBOOL_VECTOR (obj)->data[i]; | |
1696 | if (c == '\n' && print_escape_newlines) | |
1697 | { | |
1698 | PRINTCHAR ('\\'); | |
1699 | PRINTCHAR ('n'); | |
1700 | } | |
1701 | else if (c == '\f' && print_escape_newlines) | |
1702 | { | |
1703 | PRINTCHAR ('\\'); | |
1704 | PRINTCHAR ('f'); | |
1705 | } | |
1706 | else | |
1707 | { | |
1708 | if (c == '\"' || c == '\\') | |
1709 | PRINTCHAR ('\\'); | |
1710 | PRINTCHAR (c); | |
1711 | } | |
1712 | } | |
1713 | PRINTCHAR ('\"'); | |
1714 | ||
1715 | UNGCPRO; | |
1716 | } | |
ca0569ad RS |
1717 | else if (SUBRP (obj)) |
1718 | { | |
dc2a0b79 RS |
1719 | strout ("#<subr ", -1, -1, printcharfun, 0); |
1720 | strout (XSUBR (obj)->symbol_name, -1, -1, printcharfun, 0); | |
ca0569ad RS |
1721 | PRINTCHAR ('>'); |
1722 | } | |
ca0569ad RS |
1723 | else if (WINDOWP (obj)) |
1724 | { | |
dc2a0b79 | 1725 | strout ("#<window ", -1, -1, printcharfun, 0); |
ca0569ad | 1726 | sprintf (buf, "%d", XFASTINT (XWINDOW (obj)->sequence_number)); |
dc2a0b79 | 1727 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1728 | if (!NILP (XWINDOW (obj)->buffer)) |
1729 | { | |
dc2a0b79 | 1730 | strout (" on ", -1, -1, printcharfun, 0); |
ca0569ad RS |
1731 | print_string (XBUFFER (XWINDOW (obj)->buffer)->name, printcharfun); |
1732 | } | |
1733 | PRINTCHAR ('>'); | |
1734 | } | |
7eb03302 GM |
1735 | else if (HASH_TABLE_P (obj)) |
1736 | { | |
1737 | struct Lisp_Hash_Table *h = XHASH_TABLE (obj); | |
1738 | strout ("#<hash-table", -1, -1, printcharfun, 0); | |
1739 | if (SYMBOLP (h->test)) | |
1740 | { | |
1741 | PRINTCHAR (' '); | |
1742 | PRINTCHAR ('\''); | |
1743 | strout (XSYMBOL (h->test)->name->data, -1, -1, printcharfun, 0); | |
1744 | PRINTCHAR (' '); | |
1745 | strout (XSYMBOL (h->weak)->name->data, -1, -1, printcharfun, 0); | |
1746 | PRINTCHAR (' '); | |
1747 | sprintf (buf, "%d/%d", XFASTINT (h->count), | |
1748 | XVECTOR (h->next)->size); | |
1749 | strout (buf, -1, -1, printcharfun, 0); | |
1750 | } | |
1751 | sprintf (buf, " 0x%lx", (unsigned long) h); | |
1752 | strout (buf, -1, -1, printcharfun, 0); | |
1753 | PRINTCHAR ('>'); | |
1754 | } | |
908b0ae5 RS |
1755 | else if (BUFFERP (obj)) |
1756 | { | |
1757 | if (NILP (XBUFFER (obj)->name)) | |
dc2a0b79 | 1758 | strout ("#<killed buffer>", -1, -1, printcharfun, 0); |
908b0ae5 RS |
1759 | else if (escapeflag) |
1760 | { | |
dc2a0b79 | 1761 | strout ("#<buffer ", -1, -1, printcharfun, 0); |
908b0ae5 RS |
1762 | print_string (XBUFFER (obj)->name, printcharfun); |
1763 | PRINTCHAR ('>'); | |
1764 | } | |
1765 | else | |
1766 | print_string (XBUFFER (obj)->name, printcharfun); | |
1767 | } | |
ca0569ad RS |
1768 | else if (WINDOW_CONFIGURATIONP (obj)) |
1769 | { | |
dc2a0b79 | 1770 | strout ("#<window-configuration>", -1, -1, printcharfun, 0); |
ca0569ad | 1771 | } |
ca0569ad RS |
1772 | else if (FRAMEP (obj)) |
1773 | { | |
1774 | strout ((FRAME_LIVE_P (XFRAME (obj)) | |
1775 | ? "#<frame " : "#<dead frame "), | |
dc2a0b79 | 1776 | -1, -1, printcharfun, 0); |
ca0569ad | 1777 | print_string (XFRAME (obj)->name, printcharfun); |
dc2a0b79 RS |
1778 | sprintf (buf, " 0x%lx\\ ", (unsigned long) (XFRAME (obj))); |
1779 | strout (buf, -1, -1, printcharfun, 0); | |
ca0569ad RS |
1780 | PRINTCHAR ('>'); |
1781 | } | |
ca0569ad RS |
1782 | else |
1783 | { | |
1784 | int size = XVECTOR (obj)->size; | |
1785 | if (COMPILEDP (obj)) | |
1786 | { | |
1787 | PRINTCHAR ('#'); | |
1788 | size &= PSEUDOVECTOR_SIZE_MASK; | |
1789 | } | |
ed2c35ef RS |
1790 | if (CHAR_TABLE_P (obj)) |
1791 | { | |
1792 | /* We print a char-table as if it were a vector, | |
1793 | lumping the parent and default slots in with the | |
1794 | character slots. But we add #^ as a prefix. */ | |
1795 | PRINTCHAR ('#'); | |
1796 | PRINTCHAR ('^'); | |
3701b5de KH |
1797 | if (SUB_CHAR_TABLE_P (obj)) |
1798 | PRINTCHAR ('^'); | |
ed2c35ef RS |
1799 | size &= PSEUDOVECTOR_SIZE_MASK; |
1800 | } | |
00d76abc KH |
1801 | if (size & PSEUDOVECTOR_FLAG) |
1802 | goto badtype; | |
ca0569ad RS |
1803 | |
1804 | PRINTCHAR ('['); | |
38010d50 | 1805 | { |
ca0569ad RS |
1806 | register int i; |
1807 | register Lisp_Object tem; | |
d6ac884e | 1808 | int real_size = size; |
a40384bc RS |
1809 | |
1810 | /* Don't print more elements than the specified maximum. */ | |
42ac1ed4 GM |
1811 | if (NATNUMP (Vprint_length) |
1812 | && XFASTINT (Vprint_length) < size) | |
1813 | size = XFASTINT (Vprint_length); | |
a40384bc | 1814 | |
ca0569ad RS |
1815 | for (i = 0; i < size; i++) |
1816 | { | |
1817 | if (i) PRINTCHAR (' '); | |
1818 | tem = XVECTOR (obj)->contents[i]; | |
0f25ecc6 | 1819 | print_object (tem, printcharfun, escapeflag); |
ca0569ad | 1820 | } |
d6ac884e KH |
1821 | if (size < real_size) |
1822 | strout (" ...", 4, 4, printcharfun, 0); | |
38010d50 | 1823 | } |
ca0569ad RS |
1824 | PRINTCHAR (']'); |
1825 | } | |
1826 | break; | |
1827 | ||
ca0569ad | 1828 | case Lisp_Misc: |
5db20f08 | 1829 | switch (XMISCTYPE (obj)) |
38010d50 | 1830 | { |
00d76abc | 1831 | case Lisp_Misc_Marker: |
dc2a0b79 | 1832 | strout ("#<marker ", -1, -1, printcharfun, 0); |
087e3c46 KH |
1833 | /* Do you think this is necessary? */ |
1834 | if (XMARKER (obj)->insertion_type != 0) | |
210ebd3d | 1835 | strout ("(moves after insertion) ", -1, -1, printcharfun, 0); |
ca0569ad | 1836 | if (!(XMARKER (obj)->buffer)) |
dc2a0b79 | 1837 | strout ("in no buffer", -1, -1, printcharfun, 0); |
ca0569ad RS |
1838 | else |
1839 | { | |
1840 | sprintf (buf, "at %d", marker_position (obj)); | |
dc2a0b79 RS |
1841 | strout (buf, -1, -1, printcharfun, 0); |
1842 | strout (" in ", -1, -1, printcharfun, 0); | |
ca0569ad RS |
1843 | print_string (XMARKER (obj)->buffer->name, printcharfun); |
1844 | } | |
38010d50 | 1845 | PRINTCHAR ('>'); |
908b0ae5 | 1846 | break; |
00d76abc KH |
1847 | |
1848 | case Lisp_Misc_Overlay: | |
dc2a0b79 | 1849 | strout ("#<overlay ", -1, -1, printcharfun, 0); |
ca0569ad | 1850 | if (!(XMARKER (OVERLAY_START (obj))->buffer)) |
dc2a0b79 | 1851 | strout ("in no buffer", -1, -1, printcharfun, 0); |
ca0569ad RS |
1852 | else |
1853 | { | |
1854 | sprintf (buf, "from %d to %d in ", | |
1855 | marker_position (OVERLAY_START (obj)), | |
1856 | marker_position (OVERLAY_END (obj))); | |
dc2a0b79 | 1857 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1858 | print_string (XMARKER (OVERLAY_START (obj))->buffer->name, |
1859 | printcharfun); | |
1860 | } | |
1861 | PRINTCHAR ('>'); | |
908b0ae5 | 1862 | break; |
00d76abc KH |
1863 | |
1864 | /* Remaining cases shouldn't happen in normal usage, but let's print | |
1865 | them anyway for the benefit of the debugger. */ | |
1866 | case Lisp_Misc_Free: | |
dc2a0b79 | 1867 | strout ("#<misc free cell>", -1, -1, printcharfun, 0); |
00d76abc KH |
1868 | break; |
1869 | ||
1870 | case Lisp_Misc_Intfwd: | |
1871 | sprintf (buf, "#<intfwd to %d>", *XINTFWD (obj)->intvar); | |
dc2a0b79 | 1872 | strout (buf, -1, -1, printcharfun, 0); |
00d76abc KH |
1873 | break; |
1874 | ||
1875 | case Lisp_Misc_Boolfwd: | |
1876 | sprintf (buf, "#<boolfwd to %s>", | |
1877 | (*XBOOLFWD (obj)->boolvar ? "t" : "nil")); | |
dc2a0b79 | 1878 | strout (buf, -1, -1, printcharfun, 0); |
00d76abc KH |
1879 | break; |
1880 | ||
1881 | case Lisp_Misc_Objfwd: | |
dc2a0b79 | 1882 | strout ("#<objfwd to ", -1, -1, printcharfun, 0); |
0f25ecc6 | 1883 | print_object (*XOBJFWD (obj)->objvar, printcharfun, escapeflag); |
00d76abc KH |
1884 | PRINTCHAR ('>'); |
1885 | break; | |
1886 | ||
1887 | case Lisp_Misc_Buffer_Objfwd: | |
dc2a0b79 | 1888 | strout ("#<buffer_objfwd to ", -1, -1, printcharfun, 0); |
f6cd0527 GM |
1889 | print_object (PER_BUFFER_VALUE (current_buffer, |
1890 | XBUFFER_OBJFWD (obj)->offset), | |
c3279ad4 | 1891 | printcharfun, escapeflag); |
3ac613c1 KH |
1892 | PRINTCHAR ('>'); |
1893 | break; | |
1894 | ||
fb917148 | 1895 | case Lisp_Misc_Kboard_Objfwd: |
dc2a0b79 | 1896 | strout ("#<kboard_objfwd to ", -1, -1, printcharfun, 0); |
0f25ecc6 RS |
1897 | print_object (*(Lisp_Object *)((char *) current_kboard |
1898 | + XKBOARD_OBJFWD (obj)->offset), | |
c3279ad4 | 1899 | printcharfun, escapeflag); |
00d76abc KH |
1900 | PRINTCHAR ('>'); |
1901 | break; | |
1902 | ||
1903 | case Lisp_Misc_Buffer_Local_Value: | |
dc2a0b79 | 1904 | strout ("#<buffer_local_value ", -1, -1, printcharfun, 0); |
00d76abc KH |
1905 | goto do_buffer_local; |
1906 | case Lisp_Misc_Some_Buffer_Local_Value: | |
dc2a0b79 | 1907 | strout ("#<some_buffer_local_value ", -1, -1, printcharfun, 0); |
00d76abc | 1908 | do_buffer_local: |
dc2a0b79 | 1909 | strout ("[realvalue] ", -1, -1, printcharfun, 0); |
0f25ecc6 RS |
1910 | print_object (XBUFFER_LOCAL_VALUE (obj)->realvalue, |
1911 | printcharfun, escapeflag); | |
03153771 RS |
1912 | if (XBUFFER_LOCAL_VALUE (obj)->found_for_buffer) |
1913 | strout ("[local in buffer] ", -1, -1, printcharfun, 0); | |
1914 | else | |
1915 | strout ("[buffer] ", -1, -1, printcharfun, 0); | |
0f25ecc6 RS |
1916 | print_object (XBUFFER_LOCAL_VALUE (obj)->buffer, |
1917 | printcharfun, escapeflag); | |
03153771 RS |
1918 | if (XBUFFER_LOCAL_VALUE (obj)->check_frame) |
1919 | { | |
1920 | if (XBUFFER_LOCAL_VALUE (obj)->found_for_frame) | |
1921 | strout ("[local in frame] ", -1, -1, printcharfun, 0); | |
1922 | else | |
1923 | strout ("[frame] ", -1, -1, printcharfun, 0); | |
0f25ecc6 RS |
1924 | print_object (XBUFFER_LOCAL_VALUE (obj)->frame, |
1925 | printcharfun, escapeflag); | |
03153771 | 1926 | } |
dc2a0b79 | 1927 | strout ("[alist-elt] ", -1, -1, printcharfun, 0); |
94b342ce | 1928 | print_object (XCAR (XBUFFER_LOCAL_VALUE (obj)->cdr), |
0f25ecc6 | 1929 | printcharfun, escapeflag); |
dc2a0b79 | 1930 | strout ("[default-value] ", -1, -1, printcharfun, 0); |
94b342ce | 1931 | print_object (XCDR (XBUFFER_LOCAL_VALUE (obj)->cdr), |
0f25ecc6 | 1932 | printcharfun, escapeflag); |
00d76abc KH |
1933 | PRINTCHAR ('>'); |
1934 | break; | |
1935 | ||
1936 | default: | |
1937 | goto badtype; | |
e0f93814 | 1938 | } |
00d76abc | 1939 | break; |
ca0569ad RS |
1940 | |
1941 | default: | |
00d76abc | 1942 | badtype: |
ca0569ad RS |
1943 | { |
1944 | /* We're in trouble if this happens! | |
1945 | Probably should just abort () */ | |
dc2a0b79 | 1946 | strout ("#<EMACS BUG: INVALID DATATYPE ", -1, -1, printcharfun, 0); |
00d76abc | 1947 | if (MISCP (obj)) |
5db20f08 | 1948 | sprintf (buf, "(MISC 0x%04x)", (int) XMISCTYPE (obj)); |
00d76abc KH |
1949 | else if (VECTORLIKEP (obj)) |
1950 | sprintf (buf, "(PVEC 0x%08x)", (int) XVECTOR (obj)->size); | |
1951 | else | |
1952 | sprintf (buf, "(0x%02x)", (int) XTYPE (obj)); | |
dc2a0b79 | 1953 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad | 1954 | strout (" Save your buffers immediately and please report this bug>", |
dc2a0b79 | 1955 | -1, -1, printcharfun, 0); |
ca0569ad | 1956 | } |
38010d50 JB |
1957 | } |
1958 | ||
1959 | print_depth--; | |
1960 | } | |
1961 | \f | |
7651e1f5 RS |
1962 | |
1963 | /* Print a description of INTERVAL using PRINTCHARFUN. | |
1964 | This is part of printing a string that has text properties. */ | |
1965 | ||
1966 | void | |
1967 | print_interval (interval, printcharfun) | |
1968 | INTERVAL interval; | |
1969 | Lisp_Object printcharfun; | |
1970 | { | |
30503c0b | 1971 | PRINTCHAR (' '); |
0f25ecc6 | 1972 | print_object (make_number (interval->position), printcharfun, 1); |
7651e1f5 | 1973 | PRINTCHAR (' '); |
0f25ecc6 | 1974 | print_object (make_number (interval->position + LENGTH (interval)), |
7651e1f5 RS |
1975 | printcharfun, 1); |
1976 | PRINTCHAR (' '); | |
0f25ecc6 | 1977 | print_object (interval->plist, printcharfun, 1); |
7651e1f5 RS |
1978 | } |
1979 | ||
7651e1f5 | 1980 | \f |
38010d50 JB |
1981 | void |
1982 | syms_of_print () | |
1983 | { | |
d9c21094 RS |
1984 | Qtemp_buffer_setup_hook = intern ("temp-buffer-setup-hook"); |
1985 | staticpro (&Qtemp_buffer_setup_hook); | |
1986 | ||
38010d50 | 1987 | DEFVAR_LISP ("standard-output", &Vstandard_output, |
8c1a1077 PJ |
1988 | doc: /* Output stream `print' uses by default for outputting a character. |
1989 | This may be any function of one argument. | |
1990 | It may also be a buffer (output is inserted before point) | |
1991 | or a marker (output is inserted and the marker is advanced) | |
1992 | or the symbol t (output appears in the echo area). */); | |
38010d50 JB |
1993 | Vstandard_output = Qt; |
1994 | Qstandard_output = intern ("standard-output"); | |
1995 | staticpro (&Qstandard_output); | |
1996 | ||
38010d50 | 1997 | DEFVAR_LISP ("float-output-format", &Vfloat_output_format, |
8c1a1077 PJ |
1998 | doc: /* The format descriptor string used to print floats. |
1999 | This is a %-spec like those accepted by `printf' in C, | |
2000 | but with some restrictions. It must start with the two characters `%.'. | |
2001 | After that comes an integer precision specification, | |
2002 | and then a letter which controls the format. | |
2003 | The letters allowed are `e', `f' and `g'. | |
2004 | Use `e' for exponential notation \"DIG.DIGITSeEXPT\" | |
2005 | Use `f' for decimal point notation \"DIGITS.DIGITS\". | |
2006 | Use `g' to choose the shorter of those two formats for the number at hand. | |
2007 | The precision in any of these cases is the number of digits following | |
2008 | the decimal point. With `f', a precision of 0 means to omit the | |
2009 | decimal point. 0 is not allowed with `e' or `g'. | |
2010 | ||
2011 | A value of nil means to use the shortest notation | |
2012 | that represents the number without losing information. */); | |
38010d50 JB |
2013 | Vfloat_output_format = Qnil; |
2014 | Qfloat_output_format = intern ("float-output-format"); | |
2015 | staticpro (&Qfloat_output_format); | |
38010d50 JB |
2016 | |
2017 | DEFVAR_LISP ("print-length", &Vprint_length, | |
8c1a1077 PJ |
2018 | doc: /* Maximum length of list to print before abbreviating. |
2019 | A value of nil means no limit. See also `eval-expression-print-length'. */); | |
38010d50 JB |
2020 | Vprint_length = Qnil; |
2021 | ||
2022 | DEFVAR_LISP ("print-level", &Vprint_level, | |
8c1a1077 PJ |
2023 | doc: /* Maximum depth of list nesting to print before abbreviating. |
2024 | A value of nil means no limit. See also `eval-expression-print-level'. */); | |
38010d50 JB |
2025 | Vprint_level = Qnil; |
2026 | ||
2027 | DEFVAR_BOOL ("print-escape-newlines", &print_escape_newlines, | |
8c1a1077 PJ |
2028 | doc: /* Non-nil means print newlines in strings as `\\n'. |
2029 | Also print formfeeds as `\\f'. */); | |
38010d50 JB |
2030 | print_escape_newlines = 0; |
2031 | ||
38940e93 | 2032 | DEFVAR_BOOL ("print-escape-nonascii", &print_escape_nonascii, |
8c1a1077 PJ |
2033 | doc: /* Non-nil means print unibyte non-ASCII chars in strings as \\OOO. |
2034 | \(OOO is the octal representation of the character code.) | |
2035 | Only single-byte characters are affected, and only in `prin1'. */); | |
38940e93 RS |
2036 | print_escape_nonascii = 0; |
2037 | ||
835d0be6 | 2038 | DEFVAR_BOOL ("print-escape-multibyte", &print_escape_multibyte, |
8c1a1077 PJ |
2039 | doc: /* Non-nil means print multibyte characters in strings as \\xXXXX. |
2040 | \(XXXX is the hex representation of the character code.) | |
2041 | This affects only `prin1'. */); | |
835d0be6 RS |
2042 | print_escape_multibyte = 0; |
2043 | ||
2f100b5c | 2044 | DEFVAR_BOOL ("print-quoted", &print_quoted, |
8c1a1077 PJ |
2045 | doc: /* Non-nil means print quoted forms with reader syntax. |
2046 | I.e., (quote foo) prints as 'foo, (function foo) as #'foo, and backquoted | |
2047 | forms print as in the new syntax. */); | |
2f100b5c EN |
2048 | print_quoted = 0; |
2049 | ||
e0f69431 | 2050 | DEFVAR_LISP ("print-gensym", &Vprint_gensym, |
8c1a1077 PJ |
2051 | doc: /* Non-nil means print uninterned symbols so they will read as uninterned. |
2052 | I.e., the value of (make-symbol \"foobar\") prints as #:foobar. | |
2053 | When the uninterned symbol appears within a recursive data structure, | |
2054 | and the symbol appears more than once, in addition use the #N# and #N= | |
2055 | constructs as needed, so that multiple references to the same symbol are | |
2056 | shared once again when the text is read back. */); | |
e0f69431 RS |
2057 | Vprint_gensym = Qnil; |
2058 | ||
0f25ecc6 | 2059 | DEFVAR_LISP ("print-circle", &Vprint_circle, |
8c1a1077 PJ |
2060 | doc: /* *Non-nil means print recursive structures using #N= and #N# syntax. |
2061 | If nil, printing proceeds recursively and may lead to | |
2062 | `max-lisp-eval-depth' being exceeded or an error may occur: | |
2063 | \"Apparently circular structure being printed.\" Also see | |
2064 | `print-length' and `print-level'. | |
2065 | If non-nil, shared substructures anywhere in the structure are printed | |
2066 | with `#N=' before the first occurrence (in the order of the print | |
2067 | representation) and `#N#' in place of each subsequent occurrence, | |
2068 | where N is a positive decimal integer. */); | |
0f25ecc6 RS |
2069 | Vprint_circle = Qnil; |
2070 | ||
2071 | DEFVAR_LISP ("print-continuous-numbering", &Vprint_continuous_numbering, | |
8c1a1077 PJ |
2072 | doc: /* *Non-nil means number continuously across print calls. |
2073 | This affects the numbers printed for #N= labels and #M# references. | |
2074 | See also `print-circle', `print-gensym', and `print-number-table'. | |
2075 | This variable should not be set with `setq'; bind it with a `let' instead. */); | |
0f25ecc6 RS |
2076 | Vprint_continuous_numbering = Qnil; |
2077 | ||
2078 | DEFVAR_LISP ("print-number-table", &Vprint_number_table, | |
8c1a1077 PJ |
2079 | doc: /* A vector used internally to produce `#N=' labels and `#N#' references. |
2080 | The Lisp printer uses this vector to detect Lisp objects referenced more | |
2081 | than once. When `print-continuous-numbering' is bound to t, you should | |
2082 | probably also bind `print-number-table' to nil. This ensures that the | |
2083 | value of `print-number-table' can be garbage-collected once the printing | |
2084 | is done. */); | |
0f25ecc6 | 2085 | Vprint_number_table = Qnil; |
081e0581 | 2086 | |
38010d50 JB |
2087 | /* prin1_to_string_buffer initialized in init_buffer_once in buffer.c */ |
2088 | staticpro (&Vprin1_to_string_buffer); | |
2089 | ||
2090 | defsubr (&Sprin1); | |
2091 | defsubr (&Sprin1_to_string); | |
113620cc | 2092 | defsubr (&Serror_message_string); |
38010d50 JB |
2093 | defsubr (&Sprinc); |
2094 | defsubr (&Sprint); | |
2095 | defsubr (&Sterpri); | |
2096 | defsubr (&Swrite_char); | |
2097 | defsubr (&Sexternal_debugging_output); | |
2098 | ||
2099 | Qexternal_debugging_output = intern ("external-debugging-output"); | |
2100 | staticpro (&Qexternal_debugging_output); | |
2101 | ||
2f100b5c EN |
2102 | Qprint_escape_newlines = intern ("print-escape-newlines"); |
2103 | staticpro (&Qprint_escape_newlines); | |
2104 | ||
835d0be6 RS |
2105 | Qprint_escape_multibyte = intern ("print-escape-multibyte"); |
2106 | staticpro (&Qprint_escape_multibyte); | |
2107 | ||
2108 | Qprint_escape_nonascii = intern ("print-escape-nonascii"); | |
2109 | staticpro (&Qprint_escape_nonascii); | |
2110 | ||
38010d50 | 2111 | defsubr (&Swith_output_to_temp_buffer); |
38010d50 | 2112 | } |