Commit | Line | Data |
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38010d50 | 1 | /* Lisp object printing and output streams. |
0b5538bd TTN |
2 | Copyright (C) 1985, 1986, 1988, 1993, 1994, 1995, 1997, |
3 | 1998, 1999, 2000, 2001, 2002, 2003, 2004, | |
aaef169d | 4 | 2005, 2006 Free Software Foundation, Inc. |
38010d50 JB |
5 | |
6 | This file is part of GNU Emacs. | |
7 | ||
8 | GNU Emacs is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
4746118a | 10 | the Free Software Foundation; either version 2, or (at your option) |
38010d50 JB |
11 | any later version. |
12 | ||
13 | GNU Emacs is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with GNU Emacs; see the file COPYING. If not, write to | |
4fc5845f LK |
20 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
21 | Boston, MA 02110-1301, USA. */ | |
38010d50 JB |
22 | |
23 | ||
18160b98 | 24 | #include <config.h> |
38010d50 | 25 | #include <stdio.h> |
38010d50 | 26 | #include "lisp.h" |
38010d50 | 27 | #include "buffer.h" |
087e3c46 | 28 | #include "charset.h" |
2538fae4 | 29 | #include "keyboard.h" |
0137dbf7 | 30 | #include "frame.h" |
38010d50 JB |
31 | #include "window.h" |
32 | #include "process.h" | |
33 | #include "dispextern.h" | |
34 | #include "termchar.h" | |
7651e1f5 | 35 | #include "intervals.h" |
7651e1f5 | 36 | |
38010d50 JB |
37 | Lisp_Object Vstandard_output, Qstandard_output; |
38 | ||
d9c21094 RS |
39 | Lisp_Object Qtemp_buffer_setup_hook; |
40 | ||
2f100b5c EN |
41 | /* These are used to print like we read. */ |
42 | extern Lisp_Object Qbackquote, Qcomma, Qcomma_at, Qcomma_dot, Qfunction; | |
43 | ||
38010d50 | 44 | Lisp_Object Vfloat_output_format, Qfloat_output_format; |
f356c3fb PE |
45 | |
46 | /* Work around a problem that happens because math.h on hpux 7 | |
47 | defines two static variables--which, in Emacs, are not really static, | |
48 | because `static' is defined as nothing. The problem is that they are | |
49 | defined both here and in lread.c. | |
50 | These macros prevent the name conflict. */ | |
51 | #if defined (HPUX) && !defined (HPUX8) | |
52 | #define _MAXLDBL print_maxldbl | |
53 | #define _NMAXLDBL print_nmaxldbl | |
54 | #endif | |
55 | ||
56 | #include <math.h> | |
57 | ||
58 | #if STDC_HEADERS | |
59 | #include <float.h> | |
f356c3fb PE |
60 | #endif |
61 | ||
62 | /* Default to values appropriate for IEEE floating point. */ | |
63 | #ifndef FLT_RADIX | |
64 | #define FLT_RADIX 2 | |
65 | #endif | |
66 | #ifndef DBL_MANT_DIG | |
67 | #define DBL_MANT_DIG 53 | |
68 | #endif | |
69 | #ifndef DBL_DIG | |
70 | #define DBL_DIG 15 | |
71 | #endif | |
b0a1044b PE |
72 | #ifndef DBL_MIN |
73 | #define DBL_MIN 2.2250738585072014e-308 | |
74 | #endif | |
75 | ||
76 | #ifdef DBL_MIN_REPLACEMENT | |
77 | #undef DBL_MIN | |
78 | #define DBL_MIN DBL_MIN_REPLACEMENT | |
79 | #endif | |
f356c3fb PE |
80 | |
81 | /* Define DOUBLE_DIGITS_BOUND, an upper bound on the number of decimal digits | |
82 | needed to express a float without losing information. | |
83 | The general-case formula is valid for the usual case, IEEE floating point, | |
84 | but many compilers can't optimize the formula to an integer constant, | |
85 | so make a special case for it. */ | |
86 | #if FLT_RADIX == 2 && DBL_MANT_DIG == 53 | |
87 | #define DOUBLE_DIGITS_BOUND 17 /* IEEE floating point */ | |
88 | #else | |
89 | #define DOUBLE_DIGITS_BOUND ((int) ceil (log10 (pow (FLT_RADIX, DBL_MANT_DIG)))) | |
90 | #endif | |
91 | ||
38010d50 JB |
92 | /* Avoid actual stack overflow in print. */ |
93 | int print_depth; | |
94 | ||
0330bb60 RS |
95 | /* Nonzero if inside outputting backquote in old style. */ |
96 | int old_backquote_output; | |
97 | ||
ec838c39 RS |
98 | /* Detect most circularities to print finite output. */ |
99 | #define PRINT_CIRCLE 200 | |
100 | Lisp_Object being_printed[PRINT_CIRCLE]; | |
101 | ||
6fec5601 RS |
102 | /* When printing into a buffer, first we put the text in this |
103 | block, then insert it all at once. */ | |
104 | char *print_buffer; | |
105 | ||
106 | /* Size allocated in print_buffer. */ | |
107 | int print_buffer_size; | |
dc2a0b79 | 108 | /* Chars stored in print_buffer. */ |
6fec5601 | 109 | int print_buffer_pos; |
dc2a0b79 RS |
110 | /* Bytes stored in print_buffer. */ |
111 | int print_buffer_pos_byte; | |
6fec5601 | 112 | |
38010d50 JB |
113 | /* Maximum length of list to print in full; noninteger means |
114 | effectively infinity */ | |
115 | ||
116 | Lisp_Object Vprint_length; | |
117 | ||
118 | /* Maximum depth of list to print in full; noninteger means | |
119 | effectively infinity. */ | |
120 | ||
121 | Lisp_Object Vprint_level; | |
122 | ||
123 | /* Nonzero means print newlines in strings as \n. */ | |
124 | ||
125 | int print_escape_newlines; | |
126 | ||
38940e93 RS |
127 | /* Nonzero means to print single-byte non-ascii characters in strings as |
128 | octal escapes. */ | |
129 | ||
130 | int print_escape_nonascii; | |
131 | ||
835d0be6 RS |
132 | /* Nonzero means to print multibyte characters in strings as hex escapes. */ |
133 | ||
134 | int print_escape_multibyte; | |
135 | ||
136 | Lisp_Object Qprint_escape_newlines; | |
137 | Lisp_Object Qprint_escape_multibyte, Qprint_escape_nonascii; | |
138 | ||
2f100b5c EN |
139 | /* Nonzero means print (quote foo) forms as 'foo, etc. */ |
140 | ||
141 | int print_quoted; | |
142 | ||
0f25ecc6 | 143 | /* Non-nil means print #: before uninterned symbols. */ |
081e0581 | 144 | |
e0f69431 | 145 | Lisp_Object Vprint_gensym; |
081e0581 | 146 | |
0f25ecc6 | 147 | /* Non-nil means print recursive structures using #n= and #n# syntax. */ |
081e0581 | 148 | |
0f25ecc6 RS |
149 | Lisp_Object Vprint_circle; |
150 | ||
151 | /* Non-nil means keep continuous number for #n= and #n# syntax | |
152 | between several print functions. */ | |
153 | ||
154 | Lisp_Object Vprint_continuous_numbering; | |
155 | ||
156 | /* Vprint_number_table is a vector like [OBJ1 STAT1 OBJ2 STAT2 ...], | |
157 | where OBJn are objects going to be printed, and STATn are their status, | |
158 | which may be different meanings during process. See the comments of | |
159 | the functions print and print_preprocess for details. | |
160 | print_number_index keeps the last position the next object should be added, | |
161 | twice of which is the actual vector position in Vprint_number_table. */ | |
162 | int print_number_index; | |
163 | Lisp_Object Vprint_number_table; | |
164 | ||
165 | /* PRINT_NUMBER_OBJECT returns the I'th object in Vprint_number_table TABLE. | |
166 | PRINT_NUMBER_STATUS returns the status of the I'th object in TABLE. | |
167 | See the comment of the variable Vprint_number_table. */ | |
168 | #define PRINT_NUMBER_OBJECT(table,i) XVECTOR ((table))->contents[(i) * 2] | |
169 | #define PRINT_NUMBER_STATUS(table,i) XVECTOR ((table))->contents[(i) * 2 + 1] | |
2f100b5c | 170 | |
5259c737 | 171 | /* Nonzero means print newline to stdout before next minibuffer message. |
38010d50 JB |
172 | Defined in xdisp.c */ |
173 | ||
174 | extern int noninteractive_need_newline; | |
5259c737 | 175 | |
aec2b95b RS |
176 | extern int minibuffer_auto_raise; |
177 | ||
38010d50 JB |
178 | #ifdef MAX_PRINT_CHARS |
179 | static int print_chars; | |
180 | static int max_print; | |
181 | #endif /* MAX_PRINT_CHARS */ | |
7651e1f5 RS |
182 | |
183 | void print_interval (); | |
38010d50 | 184 | |
945b0111 EZ |
185 | /* GDB resets this to zero on W32 to disable OutputDebugString calls. */ |
186 | int print_output_debug_flag = 1; | |
187 | ||
38010d50 | 188 | \f |
eb8c3be9 | 189 | /* Low level output routines for characters and strings */ |
38010d50 JB |
190 | |
191 | /* Lisp functions to do output using a stream | |
081e0581 EN |
192 | must have the stream in a variable called printcharfun |
193 | and must start with PRINTPREPARE, end with PRINTFINISH, | |
194 | and use PRINTDECLARE to declare common variables. | |
195 | Use PRINTCHAR to output one character, | |
177c0ea7 | 196 | or call strout to output a block of characters. */ |
0788646c GM |
197 | |
198 | #define PRINTDECLARE \ | |
199 | struct buffer *old = current_buffer; \ | |
ee5263af GM |
200 | int old_point = -1, start_point = -1; \ |
201 | int old_point_byte = -1, start_point_byte = -1; \ | |
aed13378 | 202 | int specpdl_count = SPECPDL_INDEX (); \ |
0788646c GM |
203 | int free_print_buffer = 0; \ |
204 | int multibyte = !NILP (current_buffer->enable_multibyte_characters); \ | |
081e0581 EN |
205 | Lisp_Object original |
206 | ||
0788646c GM |
207 | #define PRINTPREPARE \ |
208 | original = printcharfun; \ | |
209 | if (NILP (printcharfun)) printcharfun = Qt; \ | |
210 | if (BUFFERP (printcharfun)) \ | |
211 | { \ | |
212 | if (XBUFFER (printcharfun) != current_buffer) \ | |
213 | Fset_buffer (printcharfun); \ | |
214 | printcharfun = Qnil; \ | |
215 | } \ | |
216 | if (MARKERP (printcharfun)) \ | |
217 | { \ | |
1cf21850 LK |
218 | EMACS_INT marker_pos; \ |
219 | if (!(XMARKER (printcharfun)->buffer)) \ | |
0788646c | 220 | error ("Marker does not point anywhere"); \ |
1cf21850 LK |
221 | if (XMARKER (printcharfun)->buffer != current_buffer) \ |
222 | set_buffer_internal (XMARKER (printcharfun)->buffer); \ | |
223 | marker_pos = marker_position (printcharfun); \ | |
224 | if (marker_pos < BEGV || marker_pos > ZV) \ | |
225 | error ("Marker is outside the accessible part of the buffer"); \ | |
0788646c GM |
226 | old_point = PT; \ |
227 | old_point_byte = PT_BYTE; \ | |
1cf21850 | 228 | SET_PT_BOTH (marker_pos, \ |
0788646c GM |
229 | marker_byte_position (printcharfun)); \ |
230 | start_point = PT; \ | |
231 | start_point_byte = PT_BYTE; \ | |
232 | printcharfun = Qnil; \ | |
233 | } \ | |
234 | if (NILP (printcharfun)) \ | |
235 | { \ | |
236 | Lisp_Object string; \ | |
237 | if (NILP (current_buffer->enable_multibyte_characters) \ | |
238 | && ! print_escape_multibyte) \ | |
239 | specbind (Qprint_escape_multibyte, Qt); \ | |
d39f07c2 RS |
240 | if (! NILP (current_buffer->enable_multibyte_characters) \ |
241 | && ! print_escape_nonascii) \ | |
242 | specbind (Qprint_escape_nonascii, Qt); \ | |
0788646c GM |
243 | if (print_buffer != 0) \ |
244 | { \ | |
245 | string = make_string_from_bytes (print_buffer, \ | |
246 | print_buffer_pos, \ | |
247 | print_buffer_pos_byte); \ | |
248 | record_unwind_protect (print_unwind, string); \ | |
249 | } \ | |
250 | else \ | |
251 | { \ | |
252 | print_buffer_size = 1000; \ | |
253 | print_buffer = (char *) xmalloc (print_buffer_size); \ | |
254 | free_print_buffer = 1; \ | |
255 | } \ | |
256 | print_buffer_pos = 0; \ | |
257 | print_buffer_pos_byte = 0; \ | |
258 | } \ | |
5494b50f | 259 | if (EQ (printcharfun, Qt) && ! noninteractive) \ |
0f25ecc6 | 260 | setup_echo_area_for_printing (multibyte); |
38010d50 | 261 | |
8a2ab0c6 RS |
262 | #define PRINTFINISH \ |
263 | if (NILP (printcharfun)) \ | |
264 | { \ | |
265 | if (print_buffer_pos != print_buffer_pos_byte \ | |
266 | && NILP (current_buffer->enable_multibyte_characters)) \ | |
267 | { \ | |
268 | unsigned char *temp \ | |
269 | = (unsigned char *) alloca (print_buffer_pos + 1); \ | |
270 | copy_text (print_buffer, temp, print_buffer_pos_byte, \ | |
271 | 1, 0); \ | |
272 | insert_1_both (temp, print_buffer_pos, \ | |
273 | print_buffer_pos, 0, 1, 0); \ | |
274 | } \ | |
275 | else \ | |
276 | insert_1_both (print_buffer, print_buffer_pos, \ | |
277 | print_buffer_pos_byte, 0, 1, 0); \ | |
570fab6c | 278 | signal_after_change (PT - print_buffer_pos, 0, print_buffer_pos);\ |
8a2ab0c6 RS |
279 | } \ |
280 | if (free_print_buffer) \ | |
281 | { \ | |
282 | xfree (print_buffer); \ | |
283 | print_buffer = 0; \ | |
284 | } \ | |
285 | unbind_to (specpdl_count, Qnil); \ | |
286 | if (MARKERP (original)) \ | |
287 | set_marker_both (original, Qnil, PT, PT_BYTE); \ | |
288 | if (old_point >= 0) \ | |
289 | SET_PT_BOTH (old_point + (old_point >= start_point \ | |
290 | ? PT - start_point : 0), \ | |
6ddd6eee RS |
291 | old_point_byte + (old_point_byte >= start_point_byte \ |
292 | ? PT_BYTE - start_point_byte : 0)); \ | |
8a2ab0c6 | 293 | if (old != current_buffer) \ |
0f25ecc6 | 294 | set_buffer_internal (old); |
38010d50 JB |
295 | |
296 | #define PRINTCHAR(ch) printchar (ch, printcharfun) | |
297 | ||
08e8d297 RS |
298 | /* This is used to restore the saved contents of print_buffer |
299 | when there is a recursive call to print. */ | |
0788646c | 300 | |
08e8d297 RS |
301 | static Lisp_Object |
302 | print_unwind (saved_text) | |
303 | Lisp_Object saved_text; | |
304 | { | |
d5db4077 | 305 | bcopy (SDATA (saved_text), print_buffer, SCHARS (saved_text)); |
ee5263af | 306 | return Qnil; |
08e8d297 RS |
307 | } |
308 | ||
0788646c GM |
309 | |
310 | /* Print character CH using method FUN. FUN nil means print to | |
311 | print_buffer. FUN t means print to echo area or stdout if | |
312 | non-interactive. If FUN is neither nil nor t, call FUN with CH as | |
313 | argument. */ | |
38010d50 JB |
314 | |
315 | static void | |
316 | printchar (ch, fun) | |
087e3c46 | 317 | unsigned int ch; |
38010d50 JB |
318 | Lisp_Object fun; |
319 | { | |
38010d50 JB |
320 | #ifdef MAX_PRINT_CHARS |
321 | if (max_print) | |
322 | print_chars++; | |
323 | #endif /* MAX_PRINT_CHARS */ | |
38010d50 | 324 | |
0788646c GM |
325 | if (!NILP (fun) && !EQ (fun, Qt)) |
326 | call1 (fun, make_number (ch)); | |
327 | else | |
38010d50 | 328 | { |
19a86a03 KH |
329 | unsigned char str[MAX_MULTIBYTE_LENGTH]; |
330 | int len = CHAR_STRING (ch, str); | |
331 | ||
09eddb56 | 332 | QUIT; |
177c0ea7 | 333 | |
0788646c | 334 | if (NILP (fun)) |
9a4d01d8 | 335 | { |
0788646c GM |
336 | if (print_buffer_pos_byte + len >= print_buffer_size) |
337 | print_buffer = (char *) xrealloc (print_buffer, | |
338 | print_buffer_size *= 2); | |
339 | bcopy (str, print_buffer + print_buffer_pos_byte, len); | |
340 | print_buffer_pos += 1; | |
341 | print_buffer_pos_byte += len; | |
9a4d01d8 | 342 | } |
0788646c | 343 | else if (noninteractive) |
1134b854 | 344 | { |
0788646c GM |
345 | fwrite (str, 1, len, stdout); |
346 | noninteractive_need_newline = 1; | |
1134b854 | 347 | } |
0788646c | 348 | else |
d366d2e4 | 349 | { |
0788646c GM |
350 | int multibyte_p |
351 | = !NILP (current_buffer->enable_multibyte_characters); | |
177c0ea7 | 352 | |
eb7b678b | 353 | setup_echo_area_for_printing (multibyte_p); |
0788646c GM |
354 | insert_char (ch); |
355 | message_dolog (str, len, 0, multibyte_p); | |
d366d2e4 | 356 | } |
38010d50 | 357 | } |
38010d50 JB |
358 | } |
359 | ||
0788646c GM |
360 | |
361 | /* Output SIZE characters, SIZE_BYTE bytes from string PTR using | |
362 | method PRINTCHARFUN. If SIZE < 0, use the string length of PTR for | |
363 | both SIZE and SIZE_BYTE. PRINTCHARFUN nil means output to | |
364 | print_buffer. PRINTCHARFUN t means output to the echo area or to | |
365 | stdout if non-interactive. If neither nil nor t, call Lisp | |
366 | function PRINTCHARFUN for each character printed. MULTIBYTE | |
367 | non-zero means PTR contains multibyte characters. */ | |
368 | ||
38010d50 | 369 | static void |
dc2a0b79 | 370 | strout (ptr, size, size_byte, printcharfun, multibyte) |
38010d50 | 371 | char *ptr; |
dc2a0b79 | 372 | int size, size_byte; |
38010d50 | 373 | Lisp_Object printcharfun; |
dc2a0b79 | 374 | int multibyte; |
38010d50 | 375 | { |
087e3c46 | 376 | if (size < 0) |
dc2a0b79 | 377 | size_byte = size = strlen (ptr); |
087e3c46 | 378 | |
0788646c | 379 | if (NILP (printcharfun)) |
38010d50 | 380 | { |
dc2a0b79 | 381 | if (print_buffer_pos_byte + size_byte > print_buffer_size) |
6fec5601 | 382 | { |
dc2a0b79 | 383 | print_buffer_size = print_buffer_size * 2 + size_byte; |
6fec5601 RS |
384 | print_buffer = (char *) xrealloc (print_buffer, |
385 | print_buffer_size); | |
386 | } | |
dc2a0b79 | 387 | bcopy (ptr, print_buffer + print_buffer_pos_byte, size_byte); |
6fec5601 | 388 | print_buffer_pos += size; |
dc2a0b79 | 389 | print_buffer_pos_byte += size_byte; |
6fec5601 | 390 | |
38010d50 JB |
391 | #ifdef MAX_PRINT_CHARS |
392 | if (max_print) | |
6fec5601 | 393 | print_chars += size; |
38010d50 | 394 | #endif /* MAX_PRINT_CHARS */ |
38010d50 | 395 | } |
7b0cb8a0 | 396 | else if (noninteractive && EQ (printcharfun, Qt)) |
38010d50 | 397 | { |
0788646c GM |
398 | fwrite (ptr, 1, size_byte, stdout); |
399 | noninteractive_need_newline = 1; | |
400 | } | |
401 | else if (EQ (printcharfun, Qt)) | |
402 | { | |
403 | /* Output to echo area. We're trying to avoid a little overhead | |
404 | here, that's the reason we don't call printchar to do the | |
405 | job. */ | |
406 | int i; | |
407 | int multibyte_p | |
408 | = !NILP (current_buffer->enable_multibyte_characters); | |
177c0ea7 | 409 | |
eb7b678b | 410 | setup_echo_area_for_printing (multibyte_p); |
0788646c | 411 | message_dolog (ptr, size_byte, 0, multibyte_p); |
177c0ea7 | 412 | |
0788646c | 413 | if (size == size_byte) |
38010d50 | 414 | { |
0788646c | 415 | for (i = 0; i < size; ++i) |
ada329e6 | 416 | insert_char ((unsigned char )*ptr++); |
38010d50 | 417 | } |
0788646c | 418 | else |
38010d50 | 419 | { |
0788646c GM |
420 | int len; |
421 | for (i = 0; i < size_byte; i += len) | |
aec2b95b | 422 | { |
0788646c GM |
423 | int ch = STRING_CHAR_AND_LENGTH (ptr + i, size_byte - i, len); |
424 | insert_char (ch); | |
aec2b95b | 425 | } |
38010d50 | 426 | } |
177c0ea7 | 427 | |
0788646c GM |
428 | #ifdef MAX_PRINT_CHARS |
429 | if (max_print) | |
430 | print_chars += size; | |
431 | #endif /* MAX_PRINT_CHARS */ | |
432 | } | |
433 | else | |
434 | { | |
435 | /* PRINTCHARFUN is a Lisp function. */ | |
436 | int i = 0; | |
38010d50 | 437 | |
0788646c | 438 | if (size == size_byte) |
4ad8bb20 | 439 | { |
0788646c | 440 | while (i < size_byte) |
4ad8bb20 | 441 | { |
0788646c GM |
442 | int ch = ptr[i++]; |
443 | PRINTCHAR (ch); | |
4ad8bb20 | 444 | } |
4ad8bb20 | 445 | } |
0788646c | 446 | else |
087e3c46 | 447 | { |
0788646c GM |
448 | while (i < size_byte) |
449 | { | |
450 | /* Here, we must convert each multi-byte form to the | |
451 | corresponding character code before handing it to | |
452 | PRINTCHAR. */ | |
453 | int len; | |
454 | int ch = STRING_CHAR_AND_LENGTH (ptr + i, size_byte - i, len); | |
455 | PRINTCHAR (ch); | |
456 | i += len; | |
457 | } | |
087e3c46 | 458 | } |
38010d50 | 459 | } |
38010d50 JB |
460 | } |
461 | ||
462 | /* Print the contents of a string STRING using PRINTCHARFUN. | |
ed2c35ef RS |
463 | It isn't safe to use strout in many cases, |
464 | because printing one char can relocate. */ | |
38010d50 | 465 | |
dc2a0b79 | 466 | static void |
38010d50 JB |
467 | print_string (string, printcharfun) |
468 | Lisp_Object string; | |
469 | Lisp_Object printcharfun; | |
470 | { | |
6fec5601 | 471 | if (EQ (printcharfun, Qt) || NILP (printcharfun)) |
375fcc09 KH |
472 | { |
473 | int chars; | |
474 | ||
475 | if (STRING_MULTIBYTE (string)) | |
d5db4077 | 476 | chars = SCHARS (string); |
375fcc09 KH |
477 | else if (EQ (printcharfun, Qt) |
478 | ? ! NILP (buffer_defaults.enable_multibyte_characters) | |
479 | : ! NILP (current_buffer->enable_multibyte_characters)) | |
a76ef35d KH |
480 | { |
481 | /* If unibyte string STRING contains 8-bit codes, we must | |
482 | convert STRING to a multibyte string containing the same | |
483 | character codes. */ | |
484 | Lisp_Object newstr; | |
485 | int bytes; | |
486 | ||
d5db4077 KR |
487 | chars = SBYTES (string); |
488 | bytes = parse_str_to_multibyte (SDATA (string), chars); | |
a76ef35d KH |
489 | if (chars < bytes) |
490 | { | |
491 | newstr = make_uninit_multibyte_string (chars, bytes); | |
d5db4077 KR |
492 | bcopy (SDATA (string), SDATA (newstr), chars); |
493 | str_to_multibyte (SDATA (newstr), bytes, chars); | |
a76ef35d KH |
494 | string = newstr; |
495 | } | |
496 | } | |
375fcc09 | 497 | else |
d5db4077 | 498 | chars = SBYTES (string); |
375fcc09 KH |
499 | |
500 | /* strout is safe for output to a frame (echo area) or to print_buffer. */ | |
d5db4077 KR |
501 | strout (SDATA (string), |
502 | chars, SBYTES (string), | |
375fcc09 KH |
503 | printcharfun, STRING_MULTIBYTE (string)); |
504 | } | |
38010d50 JB |
505 | else |
506 | { | |
dc2a0b79 RS |
507 | /* Otherwise, string may be relocated by printing one char. |
508 | So re-fetch the string address for each character. */ | |
38010d50 | 509 | int i; |
d5db4077 KR |
510 | int size = SCHARS (string); |
511 | int size_byte = SBYTES (string); | |
38010d50 JB |
512 | struct gcpro gcpro1; |
513 | GCPRO1 (string); | |
dc2a0b79 RS |
514 | if (size == size_byte) |
515 | for (i = 0; i < size; i++) | |
d5db4077 | 516 | PRINTCHAR (SREF (string, i)); |
dc2a0b79 | 517 | else |
1661e56b | 518 | for (i = 0; i < size_byte; ) |
dc2a0b79 RS |
519 | { |
520 | /* Here, we must convert each multi-byte form to the | |
521 | corresponding character code before handing it to PRINTCHAR. */ | |
522 | int len; | |
d5db4077 | 523 | int ch = STRING_CHAR_AND_LENGTH (SDATA (string) + i, |
765fe1d0 | 524 | size_byte - i, len); |
da1ad4e7 KH |
525 | if (!CHAR_VALID_P (ch, 0)) |
526 | { | |
d5db4077 | 527 | ch = SREF (string, i); |
da1ad4e7 KH |
528 | len = 1; |
529 | } | |
dc2a0b79 RS |
530 | PRINTCHAR (ch); |
531 | i += len; | |
532 | } | |
38010d50 JB |
533 | UNGCPRO; |
534 | } | |
535 | } | |
536 | \f | |
537 | DEFUN ("write-char", Fwrite_char, Swrite_char, 1, 2, 0, | |
8c1a1077 PJ |
538 | doc: /* Output character CHARACTER to stream PRINTCHARFUN. |
539 | PRINTCHARFUN defaults to the value of `standard-output' (which see). */) | |
540 | (character, printcharfun) | |
3738a371 | 541 | Lisp_Object character, printcharfun; |
38010d50 | 542 | { |
081e0581 | 543 | PRINTDECLARE; |
38010d50 | 544 | |
10eebdbb | 545 | if (NILP (printcharfun)) |
38010d50 | 546 | printcharfun = Vstandard_output; |
b7826503 | 547 | CHECK_NUMBER (character); |
38010d50 | 548 | PRINTPREPARE; |
3738a371 | 549 | PRINTCHAR (XINT (character)); |
38010d50 | 550 | PRINTFINISH; |
3738a371 | 551 | return character; |
38010d50 JB |
552 | } |
553 | ||
dc2a0b79 RS |
554 | /* Used from outside of print.c to print a block of SIZE |
555 | single-byte chars at DATA on the default output stream. | |
38010d50 JB |
556 | Do not use this on the contents of a Lisp string. */ |
557 | ||
dc22f25e | 558 | void |
38010d50 JB |
559 | write_string (data, size) |
560 | char *data; | |
561 | int size; | |
562 | { | |
081e0581 | 563 | PRINTDECLARE; |
38010d50 | 564 | Lisp_Object printcharfun; |
38010d50 JB |
565 | |
566 | printcharfun = Vstandard_output; | |
567 | ||
568 | PRINTPREPARE; | |
dc2a0b79 | 569 | strout (data, size, size, printcharfun, 0); |
38010d50 JB |
570 | PRINTFINISH; |
571 | } | |
572 | ||
dc2a0b79 RS |
573 | /* Used from outside of print.c to print a block of SIZE |
574 | single-byte chars at DATA on a specified stream PRINTCHARFUN. | |
38010d50 JB |
575 | Do not use this on the contents of a Lisp string. */ |
576 | ||
dc22f25e | 577 | void |
38010d50 JB |
578 | write_string_1 (data, size, printcharfun) |
579 | char *data; | |
580 | int size; | |
581 | Lisp_Object printcharfun; | |
582 | { | |
081e0581 | 583 | PRINTDECLARE; |
38010d50 JB |
584 | |
585 | PRINTPREPARE; | |
dc2a0b79 | 586 | strout (data, size, size, printcharfun, 0); |
38010d50 JB |
587 | PRINTFINISH; |
588 | } | |
589 | ||
590 | ||
38010d50 JB |
591 | void |
592 | temp_output_buffer_setup (bufname) | |
3f7e390a | 593 | const char *bufname; |
38010d50 | 594 | { |
aed13378 | 595 | int count = SPECPDL_INDEX (); |
38010d50 JB |
596 | register struct buffer *old = current_buffer; |
597 | register Lisp_Object buf; | |
598 | ||
d9c21094 RS |
599 | record_unwind_protect (set_buffer_if_live, Fcurrent_buffer ()); |
600 | ||
38010d50 JB |
601 | Fset_buffer (Fget_buffer_create (build_string (bufname))); |
602 | ||
9756ea0f | 603 | Fkill_all_local_variables (); |
fd531951 | 604 | delete_all_overlays (current_buffer); |
2a1c968a | 605 | current_buffer->directory = old->directory; |
38010d50 | 606 | current_buffer->read_only = Qnil; |
c5c6d57c KH |
607 | current_buffer->filename = Qnil; |
608 | current_buffer->undo_list = Qt; | |
b3f6010e SM |
609 | eassert (current_buffer->overlays_before == NULL); |
610 | eassert (current_buffer->overlays_after == NULL); | |
c5c6d57c KH |
611 | current_buffer->enable_multibyte_characters |
612 | = buffer_defaults.enable_multibyte_characters; | |
d28eab19 KH |
613 | specbind (Qinhibit_read_only, Qt); |
614 | specbind (Qinhibit_modification_hooks, Qt); | |
38010d50 | 615 | Ferase_buffer (); |
633307b5 | 616 | XSETBUFFER (buf, current_buffer); |
38010d50 | 617 | |
98040cf1 | 618 | Frun_hooks (1, &Qtemp_buffer_setup_hook); |
d9c21094 RS |
619 | |
620 | unbind_to (count, Qnil); | |
621 | ||
622 | specbind (Qstandard_output, buf); | |
38010d50 JB |
623 | } |
624 | ||
625 | Lisp_Object | |
626 | internal_with_output_to_temp_buffer (bufname, function, args) | |
3f7e390a | 627 | const char *bufname; |
dfcf069d | 628 | Lisp_Object (*function) P_ ((Lisp_Object)); |
38010d50 JB |
629 | Lisp_Object args; |
630 | { | |
aed13378 | 631 | int count = SPECPDL_INDEX (); |
38010d50 | 632 | Lisp_Object buf, val; |
0ab39c81 | 633 | struct gcpro gcpro1; |
38010d50 | 634 | |
0ab39c81 | 635 | GCPRO1 (args); |
38010d50 JB |
636 | record_unwind_protect (Fset_buffer, Fcurrent_buffer ()); |
637 | temp_output_buffer_setup (bufname); | |
638 | buf = Vstandard_output; | |
0ab39c81 | 639 | UNGCPRO; |
38010d50 JB |
640 | |
641 | val = (*function) (args); | |
642 | ||
0ab39c81 | 643 | GCPRO1 (val); |
38010d50 | 644 | temp_output_buffer_show (buf); |
0ab39c81 | 645 | UNGCPRO; |
38010d50 JB |
646 | |
647 | return unbind_to (count, val); | |
648 | } | |
649 | ||
ab9ffd19 MB |
650 | DEFUN ("with-output-to-temp-buffer", |
651 | Fwith_output_to_temp_buffer, Swith_output_to_temp_buffer, | |
38010d50 | 652 | 1, UNEVALLED, 0, |
8c1a1077 PJ |
653 | doc: /* Bind `standard-output' to buffer BUFNAME, eval BODY, then show that buffer. |
654 | The buffer is cleared out initially, and marked as unmodified when done. | |
655 | All output done by BODY is inserted in that buffer by default. | |
656 | The buffer is displayed in another window, but not selected. | |
657 | The value of the last form in BODY is returned. | |
658 | If BODY does not finish normally, the buffer BUFNAME is not displayed. | |
659 | ||
660 | The hook `temp-buffer-setup-hook' is run before BODY, | |
661 | with the buffer BUFNAME temporarily current. | |
662 | The hook `temp-buffer-show-hook' is run after the buffer is displayed, | |
663 | with the buffer temporarily current, and the window that was used | |
664 | to display it temporarily selected. | |
665 | ||
666 | If variable `temp-buffer-show-function' is non-nil, call it at the end | |
667 | to get the buffer displayed instead of just displaying the non-selected | |
177c0ea7 | 668 | buffer and calling the hook. It gets one argument, the buffer to display. |
ab9ffd19 | 669 | |
9a09408e | 670 | usage: (with-output-to-temp-buffer BUFNAME BODY ...) */) |
8c1a1077 | 671 | (args) |
38010d50 JB |
672 | Lisp_Object args; |
673 | { | |
674 | struct gcpro gcpro1; | |
675 | Lisp_Object name; | |
aed13378 | 676 | int count = SPECPDL_INDEX (); |
38010d50 JB |
677 | Lisp_Object buf, val; |
678 | ||
679 | GCPRO1(args); | |
680 | name = Feval (Fcar (args)); | |
b7826503 | 681 | CHECK_STRING (name); |
d5db4077 | 682 | temp_output_buffer_setup (SDATA (name)); |
38010d50 | 683 | buf = Vstandard_output; |
8bbfc258 | 684 | UNGCPRO; |
38010d50 | 685 | |
8bbfc258 | 686 | val = Fprogn (XCDR (args)); |
38010d50 | 687 | |
8bbfc258 | 688 | GCPRO1 (val); |
38010d50 | 689 | temp_output_buffer_show (buf); |
8bbfc258 | 690 | UNGCPRO; |
38010d50 JB |
691 | |
692 | return unbind_to (count, val); | |
693 | } | |
0788646c | 694 | |
38010d50 JB |
695 | \f |
696 | static void print (); | |
0f25ecc6 | 697 | static void print_preprocess (); |
0f25ecc6 | 698 | static void print_preprocess_string (); |
0f25ecc6 | 699 | static void print_object (); |
38010d50 JB |
700 | |
701 | DEFUN ("terpri", Fterpri, Sterpri, 0, 1, 0, | |
8c1a1077 PJ |
702 | doc: /* Output a newline to stream PRINTCHARFUN. |
703 | If PRINTCHARFUN is omitted or nil, the value of `standard-output' is used. */) | |
38010d50 JB |
704 | (printcharfun) |
705 | Lisp_Object printcharfun; | |
706 | { | |
081e0581 | 707 | PRINTDECLARE; |
38010d50 | 708 | |
10eebdbb | 709 | if (NILP (printcharfun)) |
38010d50 JB |
710 | printcharfun = Vstandard_output; |
711 | PRINTPREPARE; | |
712 | PRINTCHAR ('\n'); | |
713 | PRINTFINISH; | |
714 | return Qt; | |
715 | } | |
716 | ||
717 | DEFUN ("prin1", Fprin1, Sprin1, 1, 2, 0, | |
8c1a1077 PJ |
718 | doc: /* Output the printed representation of OBJECT, any Lisp object. |
719 | Quoting characters are printed when needed to make output that `read' | |
9474c847 | 720 | can handle, whenever this is possible. For complex objects, the behavior |
7fab9223 | 721 | is controlled by `print-level' and `print-length', which see. |
8c1a1077 PJ |
722 | |
723 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
724 | a list, a buffer, a window, a frame, etc. | |
725 | ||
726 | A printed representation of an object is text which describes that object. | |
727 | ||
728 | Optional argument PRINTCHARFUN is the output stream, which can be one | |
729 | of these: | |
730 | ||
731 | - a buffer, in which case output is inserted into that buffer at point; | |
732 | - a marker, in which case output is inserted at marker's position; | |
733 | - a function, in which case that function is called once for each | |
734 | character of OBJECT's printed representation; | |
735 | - a symbol, in which case that symbol's function definition is called; or | |
736 | - t, in which case the output is displayed in the echo area. | |
737 | ||
738 | If PRINTCHARFUN is omitted, the value of `standard-output' (which see) | |
739 | is used instead. */) | |
740 | (object, printcharfun) | |
3738a371 | 741 | Lisp_Object object, printcharfun; |
38010d50 | 742 | { |
081e0581 | 743 | PRINTDECLARE; |
38010d50 JB |
744 | |
745 | #ifdef MAX_PRINT_CHARS | |
746 | max_print = 0; | |
747 | #endif /* MAX_PRINT_CHARS */ | |
10eebdbb | 748 | if (NILP (printcharfun)) |
38010d50 JB |
749 | printcharfun = Vstandard_output; |
750 | PRINTPREPARE; | |
3738a371 | 751 | print (object, printcharfun, 1); |
38010d50 | 752 | PRINTFINISH; |
3738a371 | 753 | return object; |
38010d50 JB |
754 | } |
755 | ||
756 | /* a buffer which is used to hold output being built by prin1-to-string */ | |
757 | Lisp_Object Vprin1_to_string_buffer; | |
758 | ||
759 | DEFUN ("prin1-to-string", Fprin1_to_string, Sprin1_to_string, 1, 2, 0, | |
fd4d156b RS |
760 | doc: /* Return a string containing the printed representation of OBJECT. |
761 | OBJECT can be any Lisp object. This function outputs quoting characters | |
cf393f9b | 762 | when necessary to make output that `read' can handle, whenever possible, |
a2612656 EZ |
763 | unless the optional second argument NOESCAPE is non-nil. For complex objects, |
764 | the behavior is controlled by `print-level' and `print-length', which see. | |
8c1a1077 PJ |
765 | |
766 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
767 | a list, a buffer, a window, a frame, etc. | |
768 | ||
769 | A printed representation of an object is text which describes that object. */) | |
770 | (object, noescape) | |
3738a371 | 771 | Lisp_Object object, noescape; |
38010d50 | 772 | { |
081e0581 | 773 | Lisp_Object printcharfun; |
ca2de342 RS |
774 | /* struct gcpro gcpro1, gcpro2; */ |
775 | Lisp_Object save_deactivate_mark; | |
776 | int count = specpdl_ptr - specpdl; | |
dd418e06 | 777 | struct buffer *previous; |
ca2de342 RS |
778 | |
779 | specbind (Qinhibit_modification_hooks, Qt); | |
2a42e8f6 | 780 | |
dd418e06 RS |
781 | { |
782 | PRINTDECLARE; | |
38010d50 | 783 | |
dd418e06 RS |
784 | /* Save and restore this--we are altering a buffer |
785 | but we don't want to deactivate the mark just for that. | |
786 | No need for specbind, since errors deactivate the mark. */ | |
787 | save_deactivate_mark = Vdeactivate_mark; | |
788 | /* GCPRO2 (object, save_deactivate_mark); */ | |
789 | abort_on_gc++; | |
790 | ||
791 | printcharfun = Vprin1_to_string_buffer; | |
792 | PRINTPREPARE; | |
793 | print (object, printcharfun, NILP (noescape)); | |
794 | /* Make Vprin1_to_string_buffer be the default buffer after PRINTFINSH */ | |
795 | PRINTFINISH; | |
796 | } | |
797 | ||
798 | previous = current_buffer; | |
38010d50 | 799 | set_buffer_internal (XBUFFER (Vprin1_to_string_buffer)); |
3738a371 | 800 | object = Fbuffer_string (); |
b51ee131 SM |
801 | if (SBYTES (object) == SCHARS (object)) |
802 | STRING_SET_UNIBYTE (object); | |
38010d50 | 803 | |
28b8f740 | 804 | /* Note that this won't make prepare_to_modify_buffer call |
dd418e06 RS |
805 | ask-user-about-supersession-threat because this buffer |
806 | does not visit a file. */ | |
38010d50 | 807 | Ferase_buffer (); |
dd418e06 | 808 | set_buffer_internal (previous); |
2a42e8f6 | 809 | |
ca2de342 RS |
810 | Vdeactivate_mark = save_deactivate_mark; |
811 | /* UNGCPRO; */ | |
38010d50 | 812 | |
ca2de342 RS |
813 | abort_on_gc--; |
814 | return unbind_to (count, object); | |
38010d50 JB |
815 | } |
816 | ||
817 | DEFUN ("princ", Fprinc, Sprinc, 1, 2, 0, | |
8c1a1077 PJ |
818 | doc: /* Output the printed representation of OBJECT, any Lisp object. |
819 | No quoting characters are used; no delimiters are printed around | |
820 | the contents of strings. | |
821 | ||
822 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
823 | a list, a buffer, a window, a frame, etc. | |
824 | ||
825 | A printed representation of an object is text which describes that object. | |
826 | ||
827 | Optional argument PRINTCHARFUN is the output stream, which can be one | |
828 | of these: | |
829 | ||
830 | - a buffer, in which case output is inserted into that buffer at point; | |
831 | - a marker, in which case output is inserted at marker's position; | |
832 | - a function, in which case that function is called once for each | |
833 | character of OBJECT's printed representation; | |
834 | - a symbol, in which case that symbol's function definition is called; or | |
835 | - t, in which case the output is displayed in the echo area. | |
836 | ||
837 | If PRINTCHARFUN is omitted, the value of `standard-output' (which see) | |
838 | is used instead. */) | |
839 | (object, printcharfun) | |
3738a371 | 840 | Lisp_Object object, printcharfun; |
38010d50 | 841 | { |
081e0581 | 842 | PRINTDECLARE; |
38010d50 | 843 | |
10eebdbb | 844 | if (NILP (printcharfun)) |
38010d50 JB |
845 | printcharfun = Vstandard_output; |
846 | PRINTPREPARE; | |
3738a371 | 847 | print (object, printcharfun, 0); |
38010d50 | 848 | PRINTFINISH; |
3738a371 | 849 | return object; |
38010d50 JB |
850 | } |
851 | ||
852 | DEFUN ("print", Fprint, Sprint, 1, 2, 0, | |
8c1a1077 PJ |
853 | doc: /* Output the printed representation of OBJECT, with newlines around it. |
854 | Quoting characters are printed when needed to make output that `read' | |
9474c847 | 855 | can handle, whenever this is possible. For complex objects, the behavior |
7fab9223 | 856 | is controlled by `print-level' and `print-length', which see. |
8c1a1077 PJ |
857 | |
858 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
859 | a list, a buffer, a window, a frame, etc. | |
860 | ||
861 | A printed representation of an object is text which describes that object. | |
862 | ||
863 | Optional argument PRINTCHARFUN is the output stream, which can be one | |
864 | of these: | |
865 | ||
866 | - a buffer, in which case output is inserted into that buffer at point; | |
867 | - a marker, in which case output is inserted at marker's position; | |
868 | - a function, in which case that function is called once for each | |
869 | character of OBJECT's printed representation; | |
870 | - a symbol, in which case that symbol's function definition is called; or | |
871 | - t, in which case the output is displayed in the echo area. | |
872 | ||
873 | If PRINTCHARFUN is omitted, the value of `standard-output' (which see) | |
874 | is used instead. */) | |
875 | (object, printcharfun) | |
3738a371 | 876 | Lisp_Object object, printcharfun; |
38010d50 | 877 | { |
081e0581 | 878 | PRINTDECLARE; |
38010d50 JB |
879 | struct gcpro gcpro1; |
880 | ||
881 | #ifdef MAX_PRINT_CHARS | |
882 | print_chars = 0; | |
883 | max_print = MAX_PRINT_CHARS; | |
884 | #endif /* MAX_PRINT_CHARS */ | |
10eebdbb | 885 | if (NILP (printcharfun)) |
38010d50 | 886 | printcharfun = Vstandard_output; |
3738a371 | 887 | GCPRO1 (object); |
38010d50 | 888 | PRINTPREPARE; |
38010d50 | 889 | PRINTCHAR ('\n'); |
3738a371 | 890 | print (object, printcharfun, 1); |
38010d50 JB |
891 | PRINTCHAR ('\n'); |
892 | PRINTFINISH; | |
893 | #ifdef MAX_PRINT_CHARS | |
894 | max_print = 0; | |
895 | print_chars = 0; | |
896 | #endif /* MAX_PRINT_CHARS */ | |
897 | UNGCPRO; | |
3738a371 | 898 | return object; |
38010d50 JB |
899 | } |
900 | ||
901 | /* The subroutine object for external-debugging-output is kept here | |
902 | for the convenience of the debugger. */ | |
903 | Lisp_Object Qexternal_debugging_output; | |
904 | ||
4746118a | 905 | DEFUN ("external-debugging-output", Fexternal_debugging_output, Sexternal_debugging_output, 1, 1, 0, |
8c1a1077 PJ |
906 | doc: /* Write CHARACTER to stderr. |
907 | You can call print while debugging emacs, and pass it this function | |
908 | to make it write to the debugging output. */) | |
909 | (character) | |
4746118a | 910 | Lisp_Object character; |
38010d50 | 911 | { |
b7826503 | 912 | CHECK_NUMBER (character); |
38010d50 | 913 | putc (XINT (character), stderr); |
cd22039d RS |
914 | |
915 | #ifdef WINDOWSNT | |
916 | /* Send the output to a debugger (nothing happens if there isn't one). */ | |
945b0111 EZ |
917 | if (print_output_debug_flag) |
918 | { | |
919 | char buf[2] = {(char) XINT (character), '\0'}; | |
920 | OutputDebugString (buf); | |
921 | } | |
cd22039d RS |
922 | #endif |
923 | ||
38010d50 JB |
924 | return character; |
925 | } | |
cf1bb91b | 926 | |
c33f8948 RS |
927 | /* This function is never called. Its purpose is to prevent |
928 | print_output_debug_flag from being optimized away. */ | |
929 | ||
930 | int | |
931 | debug_output_compilation_hack (x) | |
932 | int x; | |
933 | { | |
934 | print_output_debug_flag = x; | |
935 | } | |
95e52d88 KS |
936 | |
937 | #if defined(GNU_LINUX) | |
938 | ||
939 | /* This functionality is not vitally important in general, so we rely on | |
940 | non-portable ability to use stderr as lvalue. */ | |
941 | ||
942 | #define WITH_REDIRECT_DEBUGGING_OUTPUT 1 | |
943 | ||
6a1ff3ba KS |
944 | FILE *initial_stderr_stream = NULL; |
945 | ||
946 | DEFUN ("redirect-debugging-output", Fredirect_debugging_output, Sredirect_debugging_output, | |
947 | 1, 2, | |
948 | "FDebug output file: \nP", | |
949 | doc: /* Redirect debugging output (stderr stream) to file FILE. | |
950 | If FILE is nil, reset target to the initial stderr stream. | |
951 | Optional arg APPEND non-nil (interactively, with prefix arg) means | |
28b8f740 | 952 | append to existing target file. */) |
6a1ff3ba KS |
953 | (file, append) |
954 | Lisp_Object file, append; | |
955 | { | |
956 | if (initial_stderr_stream != NULL) | |
957 | fclose(stderr); | |
958 | stderr = initial_stderr_stream; | |
959 | initial_stderr_stream = NULL; | |
960 | ||
961 | if (STRINGP (file)) | |
962 | { | |
963 | file = Fexpand_file_name (file, Qnil); | |
964 | initial_stderr_stream = stderr; | |
965 | stderr = fopen(SDATA (file), NILP (append) ? "w" : "a"); | |
966 | if (stderr == NULL) | |
967 | { | |
968 | stderr = initial_stderr_stream; | |
969 | initial_stderr_stream = NULL; | |
970 | report_file_error ("Cannot open debugging output stream", | |
971 | Fcons (file, Qnil)); | |
972 | } | |
973 | } | |
974 | return Qnil; | |
975 | } | |
95e52d88 KS |
976 | #endif /* GNU_LINUX */ |
977 | ||
6a1ff3ba | 978 | |
cf1bb91b RS |
979 | /* This is the interface for debugging printing. */ |
980 | ||
981 | void | |
982 | debug_print (arg) | |
983 | Lisp_Object arg; | |
984 | { | |
985 | Fprin1 (arg, Qexternal_debugging_output); | |
3684eb78 | 986 | fprintf (stderr, "\r\n"); |
cf1bb91b | 987 | } |
bd90dcd0 KS |
988 | |
989 | void | |
990 | safe_debug_print (arg) | |
991 | Lisp_Object arg; | |
992 | { | |
993 | int valid = valid_lisp_object_p (arg); | |
994 | ||
995 | if (valid > 0) | |
996 | debug_print (arg); | |
997 | else | |
998 | fprintf (stderr, "#<%s_LISP_OBJECT 0x%08lx>\r\n", | |
999 | !valid ? "INVALID" : "SOME", | |
1000 | #ifdef NO_UNION_TYPE | |
1001 | (unsigned long) arg | |
1002 | #else | |
1003 | (unsigned long) arg.i | |
1004 | #endif | |
1005 | ); | |
1006 | } | |
1007 | ||
38010d50 | 1008 | \f |
113620cc KH |
1009 | DEFUN ("error-message-string", Ferror_message_string, Serror_message_string, |
1010 | 1, 1, 0, | |
f82ec1e6 LT |
1011 | doc: /* Convert an error value (ERROR-SYMBOL . DATA) to an error message. |
1012 | See Info anchor `(elisp)Definition of signal' for some details on how this | |
1013 | error message is constructed. */) | |
8c1a1077 | 1014 | (obj) |
113620cc KH |
1015 | Lisp_Object obj; |
1016 | { | |
1017 | struct buffer *old = current_buffer; | |
63fbf4ff | 1018 | Lisp_Object value; |
113620cc KH |
1019 | struct gcpro gcpro1; |
1020 | ||
0872e11f RS |
1021 | /* If OBJ is (error STRING), just return STRING. |
1022 | That is not only faster, it also avoids the need to allocate | |
1023 | space here when the error is due to memory full. */ | |
94b342ce KR |
1024 | if (CONSP (obj) && EQ (XCAR (obj), Qerror) |
1025 | && CONSP (XCDR (obj)) | |
1026 | && STRINGP (XCAR (XCDR (obj))) | |
1027 | && NILP (XCDR (XCDR (obj)))) | |
1028 | return XCAR (XCDR (obj)); | |
0872e11f | 1029 | |
240e806c | 1030 | print_error_message (obj, Vprin1_to_string_buffer, 0, Qnil); |
113620cc KH |
1031 | |
1032 | set_buffer_internal (XBUFFER (Vprin1_to_string_buffer)); | |
1033 | value = Fbuffer_string (); | |
1034 | ||
1035 | GCPRO1 (value); | |
1036 | Ferase_buffer (); | |
1037 | set_buffer_internal (old); | |
1038 | UNGCPRO; | |
1039 | ||
1040 | return value; | |
1041 | } | |
1042 | ||
c02279de | 1043 | /* Print an error message for the error DATA onto Lisp output stream |
7ab56fea RS |
1044 | STREAM (suitable for the print functions). |
1045 | CONTEXT is a C string describing the context of the error. | |
1046 | CALLER is the Lisp function inside which the error was signaled. */ | |
113620cc | 1047 | |
dc22f25e | 1048 | void |
240e806c | 1049 | print_error_message (data, stream, context, caller) |
113620cc | 1050 | Lisp_Object data, stream; |
240e806c RS |
1051 | char *context; |
1052 | Lisp_Object caller; | |
113620cc KH |
1053 | { |
1054 | Lisp_Object errname, errmsg, file_error, tail; | |
1055 | struct gcpro gcpro1; | |
1056 | int i; | |
1057 | ||
240e806c RS |
1058 | if (context != 0) |
1059 | write_string_1 (context, -1, stream); | |
1060 | ||
1061 | /* If we know from where the error was signaled, show it in | |
1062 | *Messages*. */ | |
1063 | if (!NILP (caller) && SYMBOLP (caller)) | |
1064 | { | |
11fb15d5 KS |
1065 | Lisp_Object cname = SYMBOL_NAME (caller); |
1066 | char *name = alloca (SBYTES (cname)); | |
1067 | bcopy (SDATA (cname), name, SBYTES (cname)); | |
826256dd | 1068 | message_dolog (name, SBYTES (cname), 0, 0); |
240e806c RS |
1069 | message_dolog (": ", 2, 0, 0); |
1070 | } | |
1071 | ||
113620cc KH |
1072 | errname = Fcar (data); |
1073 | ||
1074 | if (EQ (errname, Qerror)) | |
1075 | { | |
1076 | data = Fcdr (data); | |
c02279de GM |
1077 | if (!CONSP (data)) |
1078 | data = Qnil; | |
113620cc KH |
1079 | errmsg = Fcar (data); |
1080 | file_error = Qnil; | |
1081 | } | |
1082 | else | |
1083 | { | |
c02279de | 1084 | Lisp_Object error_conditions; |
113620cc | 1085 | errmsg = Fget (errname, Qerror_message); |
c02279de GM |
1086 | error_conditions = Fget (errname, Qerror_conditions); |
1087 | file_error = Fmemq (Qfile_error, error_conditions); | |
113620cc KH |
1088 | } |
1089 | ||
1090 | /* Print an error message including the data items. */ | |
1091 | ||
1092 | tail = Fcdr_safe (data); | |
1093 | GCPRO1 (tail); | |
1094 | ||
1095 | /* For file-error, make error message by concatenating | |
1096 | all the data items. They are all strings. */ | |
8c29413d | 1097 | if (!NILP (file_error) && CONSP (tail)) |
94b342ce | 1098 | errmsg = XCAR (tail), tail = XCDR (tail); |
113620cc KH |
1099 | |
1100 | if (STRINGP (errmsg)) | |
1101 | Fprinc (errmsg, stream); | |
1102 | else | |
1103 | write_string_1 ("peculiar error", -1, stream); | |
1104 | ||
c02279de | 1105 | for (i = 0; CONSP (tail); tail = XCDR (tail), i++) |
113620cc | 1106 | { |
c02279de GM |
1107 | Lisp_Object obj; |
1108 | ||
113620cc | 1109 | write_string_1 (i ? ", " : ": ", 2, stream); |
c02279de GM |
1110 | obj = XCAR (tail); |
1111 | if (!NILP (file_error) || EQ (errname, Qend_of_file)) | |
1112 | Fprinc (obj, stream); | |
113620cc | 1113 | else |
c02279de | 1114 | Fprin1 (obj, stream); |
113620cc | 1115 | } |
177c0ea7 | 1116 | |
113620cc KH |
1117 | UNGCPRO; |
1118 | } | |
38010d50 | 1119 | |
c02279de GM |
1120 | |
1121 | \f | |
38010d50 | 1122 | /* |
edb2a707 | 1123 | * The buffer should be at least as large as the max string size of the |
8e6208c5 | 1124 | * largest float, printed in the biggest notation. This is undoubtedly |
38010d50 JB |
1125 | * 20d float_output_format, with the negative of the C-constant "HUGE" |
1126 | * from <math.h>. | |
177c0ea7 | 1127 | * |
38010d50 | 1128 | * On the vax the worst case is -1e38 in 20d format which takes 61 bytes. |
177c0ea7 | 1129 | * |
38010d50 JB |
1130 | * I assume that IEEE-754 format numbers can take 329 bytes for the worst |
1131 | * case of -1e307 in 20d float_output_format. What is one to do (short of | |
1132 | * re-writing _doprnt to be more sane)? | |
1133 | * -wsr | |
1134 | */ | |
edb2a707 RS |
1135 | |
1136 | void | |
1137 | float_to_string (buf, data) | |
8b24d146 | 1138 | unsigned char *buf; |
38010d50 JB |
1139 | double data; |
1140 | { | |
c7b14277 | 1141 | unsigned char *cp; |
322890c4 | 1142 | int width; |
177c0ea7 | 1143 | |
7f45de2d RS |
1144 | /* Check for plus infinity in a way that won't lose |
1145 | if there is no plus infinity. */ | |
1146 | if (data == data / 2 && data > 1.0) | |
1147 | { | |
1148 | strcpy (buf, "1.0e+INF"); | |
1149 | return; | |
1150 | } | |
1151 | /* Likewise for minus infinity. */ | |
1152 | if (data == data / 2 && data < -1.0) | |
1153 | { | |
1154 | strcpy (buf, "-1.0e+INF"); | |
1155 | return; | |
1156 | } | |
1157 | /* Check for NaN in a way that won't fail if there are no NaNs. */ | |
1158 | if (! (data * 0.0 >= 0.0)) | |
1159 | { | |
68c45bf0 PE |
1160 | /* Prepend "-" if the NaN's sign bit is negative. |
1161 | The sign bit of a double is the bit that is 1 in -0.0. */ | |
1162 | int i; | |
1163 | union { double d; char c[sizeof (double)]; } u_data, u_minus_zero; | |
1164 | u_data.d = data; | |
1165 | u_minus_zero.d = - 0.0; | |
1166 | for (i = 0; i < sizeof (double); i++) | |
1167 | if (u_data.c[i] & u_minus_zero.c[i]) | |
1168 | { | |
1169 | *buf++ = '-'; | |
1170 | break; | |
1171 | } | |
177c0ea7 | 1172 | |
7f45de2d RS |
1173 | strcpy (buf, "0.0e+NaN"); |
1174 | return; | |
1175 | } | |
1176 | ||
10eebdbb | 1177 | if (NILP (Vfloat_output_format) |
d4ae1f7e | 1178 | || !STRINGP (Vfloat_output_format)) |
38010d50 | 1179 | lose: |
322890c4 | 1180 | { |
f356c3fb PE |
1181 | /* Generate the fewest number of digits that represent the |
1182 | floating point value without losing information. | |
1183 | The following method is simple but a bit slow. | |
1184 | For ideas about speeding things up, please see: | |
1185 | ||
1186 | Guy L Steele Jr & Jon L White, How to print floating-point numbers | |
1187 | accurately. SIGPLAN notices 25, 6 (June 1990), 112-126. | |
1188 | ||
1189 | Robert G Burger & R Kent Dybvig, Printing floating point numbers | |
1190 | quickly and accurately, SIGPLAN notices 31, 5 (May 1996), 108-116. */ | |
1191 | ||
1192 | width = fabs (data) < DBL_MIN ? 1 : DBL_DIG; | |
1193 | do | |
1194 | sprintf (buf, "%.*g", width, data); | |
1195 | while (width++ < DOUBLE_DIGITS_BOUND && atof (buf) != data); | |
322890c4 | 1196 | } |
38010d50 JB |
1197 | else /* oink oink */ |
1198 | { | |
1199 | /* Check that the spec we have is fully valid. | |
1200 | This means not only valid for printf, | |
1201 | but meant for floats, and reasonable. */ | |
d5db4077 | 1202 | cp = SDATA (Vfloat_output_format); |
38010d50 JB |
1203 | |
1204 | if (cp[0] != '%') | |
1205 | goto lose; | |
1206 | if (cp[1] != '.') | |
1207 | goto lose; | |
1208 | ||
1209 | cp += 2; | |
c7b14277 JB |
1210 | |
1211 | /* Check the width specification. */ | |
322890c4 | 1212 | width = -1; |
c7b14277 | 1213 | if ('0' <= *cp && *cp <= '9') |
381cd4bb KH |
1214 | { |
1215 | width = 0; | |
1216 | do | |
1217 | width = (width * 10) + (*cp++ - '0'); | |
1218 | while (*cp >= '0' && *cp <= '9'); | |
1219 | ||
1220 | /* A precision of zero is valid only for %f. */ | |
1221 | if (width > DBL_DIG | |
1222 | || (width == 0 && *cp != 'f')) | |
1223 | goto lose; | |
1224 | } | |
38010d50 JB |
1225 | |
1226 | if (*cp != 'e' && *cp != 'f' && *cp != 'g') | |
1227 | goto lose; | |
1228 | ||
38010d50 JB |
1229 | if (cp[1] != 0) |
1230 | goto lose; | |
1231 | ||
d5db4077 | 1232 | sprintf (buf, SDATA (Vfloat_output_format), data); |
38010d50 | 1233 | } |
edb2a707 | 1234 | |
c7b14277 JB |
1235 | /* Make sure there is a decimal point with digit after, or an |
1236 | exponent, so that the value is readable as a float. But don't do | |
322890c4 RS |
1237 | this with "%.0f"; it's valid for that not to produce a decimal |
1238 | point. Note that width can be 0 only for %.0f. */ | |
1239 | if (width != 0) | |
0601fd3d | 1240 | { |
c7b14277 JB |
1241 | for (cp = buf; *cp; cp++) |
1242 | if ((*cp < '0' || *cp > '9') && *cp != '-') | |
1243 | break; | |
0601fd3d | 1244 | |
c7b14277 JB |
1245 | if (*cp == '.' && cp[1] == 0) |
1246 | { | |
1247 | cp[1] = '0'; | |
1248 | cp[2] = 0; | |
1249 | } | |
1250 | ||
1251 | if (*cp == 0) | |
1252 | { | |
1253 | *cp++ = '.'; | |
1254 | *cp++ = '0'; | |
1255 | *cp++ = 0; | |
1256 | } | |
edb2a707 | 1257 | } |
38010d50 | 1258 | } |
cc94f3b2 | 1259 | |
38010d50 JB |
1260 | \f |
1261 | static void | |
1262 | print (obj, printcharfun, escapeflag) | |
38010d50 | 1263 | Lisp_Object obj; |
38010d50 JB |
1264 | register Lisp_Object printcharfun; |
1265 | int escapeflag; | |
1266 | { | |
0330bb60 | 1267 | old_backquote_output = 0; |
38010d50 | 1268 | |
0f25ecc6 RS |
1269 | /* Reset print_number_index and Vprint_number_table only when |
1270 | the variable Vprint_continuous_numbering is nil. Otherwise, | |
1271 | the values of these variables will be kept between several | |
1272 | print functions. */ | |
1273 | if (NILP (Vprint_continuous_numbering)) | |
1274 | { | |
1275 | print_number_index = 0; | |
1276 | Vprint_number_table = Qnil; | |
1277 | } | |
38010d50 | 1278 | |
0f25ecc6 RS |
1279 | /* Construct Vprint_number_table for print-gensym and print-circle. */ |
1280 | if (!NILP (Vprint_gensym) || !NILP (Vprint_circle)) | |
ec838c39 | 1281 | { |
73fb36f1 | 1282 | int i, start, index; |
73fb36f1 | 1283 | start = index = print_number_index; |
e6d4cddd RS |
1284 | /* Construct Vprint_number_table. |
1285 | This increments print_number_index for the objects added. */ | |
9a6a4c40 | 1286 | print_depth = 0; |
0f25ecc6 | 1287 | print_preprocess (obj); |
e6d4cddd | 1288 | |
0f25ecc6 | 1289 | /* Remove unnecessary objects, which appear only once in OBJ; |
e6d4cddd | 1290 | that is, whose status is Qnil. Compactify the necessary objects. */ |
73fb36f1 | 1291 | for (i = start; i < print_number_index; i++) |
0f25ecc6 RS |
1292 | if (!NILP (PRINT_NUMBER_STATUS (Vprint_number_table, i))) |
1293 | { | |
1294 | PRINT_NUMBER_OBJECT (Vprint_number_table, index) | |
1295 | = PRINT_NUMBER_OBJECT (Vprint_number_table, i); | |
0f25ecc6 RS |
1296 | index++; |
1297 | } | |
e6d4cddd RS |
1298 | |
1299 | /* Clear out objects outside the active part of the table. */ | |
1300 | for (i = index; i < print_number_index; i++) | |
1301 | PRINT_NUMBER_OBJECT (Vprint_number_table, i) = Qnil; | |
1302 | ||
1303 | /* Reset the status field for the next print step. Now this | |
1304 | field means whether the object has already been printed. */ | |
1305 | for (i = start; i < print_number_index; i++) | |
1306 | PRINT_NUMBER_STATUS (Vprint_number_table, i) = Qnil; | |
1307 | ||
0f25ecc6 RS |
1308 | print_number_index = index; |
1309 | } | |
1310 | ||
9a6a4c40 | 1311 | print_depth = 0; |
0f25ecc6 RS |
1312 | print_object (obj, printcharfun, escapeflag); |
1313 | } | |
1314 | ||
1315 | /* Construct Vprint_number_table according to the structure of OBJ. | |
1316 | OBJ itself and all its elements will be added to Vprint_number_table | |
1317 | recursively if it is a list, vector, compiled function, char-table, | |
1318 | string (its text properties will be traced), or a symbol that has | |
1319 | no obarray (this is for the print-gensym feature). | |
1320 | The status fields of Vprint_number_table mean whether each object appears | |
1321 | more than once in OBJ: Qnil at the first time, and Qt after that . */ | |
1322 | static void | |
1323 | print_preprocess (obj) | |
1324 | Lisp_Object obj; | |
1325 | { | |
3164abe6 AS |
1326 | int i; |
1327 | EMACS_INT size; | |
c1132671 RS |
1328 | int loop_count = 0; |
1329 | Lisp_Object halftail; | |
1330 | ||
15479e8b RS |
1331 | /* Give up if we go so deep that print_object will get an error. */ |
1332 | /* See similar code in print_object. */ | |
6b8dfbf7 CY |
1333 | if (print_depth >= PRINT_CIRCLE) |
1334 | error ("Apparently circular structure being printed"); | |
15479e8b | 1335 | |
c1132671 RS |
1336 | /* Avoid infinite recursion for circular nested structure |
1337 | in the case where Vprint_circle is nil. */ | |
1338 | if (NILP (Vprint_circle)) | |
1339 | { | |
1340 | for (i = 0; i < print_depth; i++) | |
1341 | if (EQ (obj, being_printed[i])) | |
1342 | return; | |
1343 | being_printed[print_depth] = obj; | |
1344 | } | |
1345 | ||
c1132671 RS |
1346 | print_depth++; |
1347 | halftail = obj; | |
0f25ecc6 RS |
1348 | |
1349 | loop: | |
1350 | if (STRINGP (obj) || CONSP (obj) || VECTORP (obj) | |
1351 | || COMPILEDP (obj) || CHAR_TABLE_P (obj) | |
1352 | || (! NILP (Vprint_gensym) | |
bf9f2aab GM |
1353 | && SYMBOLP (obj) |
1354 | && !SYMBOL_INTERNED_P (obj))) | |
0f25ecc6 | 1355 | { |
aca2020b KH |
1356 | /* In case print-circle is nil and print-gensym is t, |
1357 | add OBJ to Vprint_number_table only when OBJ is a symbol. */ | |
1358 | if (! NILP (Vprint_circle) || SYMBOLP (obj)) | |
0f25ecc6 | 1359 | { |
0f25ecc6 | 1360 | for (i = 0; i < print_number_index; i++) |
7c752c80 | 1361 | if (EQ (PRINT_NUMBER_OBJECT (Vprint_number_table, i), obj)) |
aca2020b KH |
1362 | { |
1363 | /* OBJ appears more than once. Let's remember that. */ | |
1364 | PRINT_NUMBER_STATUS (Vprint_number_table, i) = Qt; | |
aa0b0cd9 KL |
1365 | print_depth--; |
1366 | return; | |
aca2020b KH |
1367 | } |
1368 | ||
1369 | /* OBJ is not yet recorded. Let's add to the table. */ | |
1370 | if (print_number_index == 0) | |
1371 | { | |
1372 | /* Initialize the table. */ | |
1373 | Vprint_number_table = Fmake_vector (make_number (40), Qnil); | |
1374 | } | |
1375 | else if (XVECTOR (Vprint_number_table)->size == print_number_index * 2) | |
0f25ecc6 | 1376 | { |
aca2020b KH |
1377 | /* Reallocate the table. */ |
1378 | int i = print_number_index * 4; | |
1379 | Lisp_Object old_table = Vprint_number_table; | |
1380 | Vprint_number_table = Fmake_vector (make_number (i), Qnil); | |
1381 | for (i = 0; i < print_number_index; i++) | |
1382 | { | |
1383 | PRINT_NUMBER_OBJECT (Vprint_number_table, i) | |
1384 | = PRINT_NUMBER_OBJECT (old_table, i); | |
1385 | PRINT_NUMBER_STATUS (Vprint_number_table, i) | |
1386 | = PRINT_NUMBER_STATUS (old_table, i); | |
1387 | } | |
0f25ecc6 | 1388 | } |
aca2020b KH |
1389 | PRINT_NUMBER_OBJECT (Vprint_number_table, print_number_index) = obj; |
1390 | /* If Vprint_continuous_numbering is non-nil and OBJ is a gensym, | |
1391 | always print the gensym with a number. This is a special for | |
1392 | the lisp function byte-compile-output-docform. */ | |
bf9f2aab GM |
1393 | if (!NILP (Vprint_continuous_numbering) |
1394 | && SYMBOLP (obj) | |
1395 | && !SYMBOL_INTERNED_P (obj)) | |
aca2020b KH |
1396 | PRINT_NUMBER_STATUS (Vprint_number_table, print_number_index) = Qt; |
1397 | print_number_index++; | |
0f25ecc6 | 1398 | } |
0f25ecc6 RS |
1399 | |
1400 | switch (XGCTYPE (obj)) | |
1401 | { | |
1402 | case Lisp_String: | |
0f25ecc6 | 1403 | /* A string may have text properties, which can be circular. */ |
d5db4077 | 1404 | traverse_intervals_noorder (STRING_INTERVALS (obj), |
8bbfc258 | 1405 | print_preprocess_string, Qnil); |
0f25ecc6 RS |
1406 | break; |
1407 | ||
1408 | case Lisp_Cons: | |
c1132671 RS |
1409 | /* Use HALFTAIL and LOOP_COUNT to detect circular lists, |
1410 | just as in print_object. */ | |
1411 | if (loop_count && EQ (obj, halftail)) | |
1412 | break; | |
0f25ecc6 RS |
1413 | print_preprocess (XCAR (obj)); |
1414 | obj = XCDR (obj); | |
c1132671 RS |
1415 | loop_count++; |
1416 | if (!(loop_count & 1)) | |
1417 | halftail = XCDR (halftail); | |
0f25ecc6 RS |
1418 | goto loop; |
1419 | ||
1420 | case Lisp_Vectorlike: | |
3803eb32 AS |
1421 | size = XVECTOR (obj)->size; |
1422 | if (size & PSEUDOVECTOR_FLAG) | |
1423 | size &= PSEUDOVECTOR_SIZE_MASK; | |
0f25ecc6 RS |
1424 | for (i = 0; i < size; i++) |
1425 | print_preprocess (XVECTOR (obj)->contents[i]); | |
ee5263af GM |
1426 | break; |
1427 | ||
1428 | default: | |
1429 | break; | |
0f25ecc6 RS |
1430 | } |
1431 | } | |
c1132671 | 1432 | print_depth--; |
0f25ecc6 RS |
1433 | } |
1434 | ||
0f25ecc6 RS |
1435 | static void |
1436 | print_preprocess_string (interval, arg) | |
1437 | INTERVAL interval; | |
1438 | Lisp_Object arg; | |
1439 | { | |
1440 | print_preprocess (interval->plist); | |
1441 | } | |
0f25ecc6 RS |
1442 | |
1443 | static void | |
1444 | print_object (obj, printcharfun, escapeflag) | |
1445 | Lisp_Object obj; | |
1446 | register Lisp_Object printcharfun; | |
1447 | int escapeflag; | |
1448 | { | |
28b8f740 | 1449 | char buf[40]; |
0f25ecc6 RS |
1450 | |
1451 | QUIT; | |
1452 | ||
1453 | /* Detect circularities and truncate them. */ | |
1454 | if (STRINGP (obj) || CONSP (obj) || VECTORP (obj) | |
1455 | || COMPILEDP (obj) || CHAR_TABLE_P (obj) | |
1456 | || (! NILP (Vprint_gensym) | |
bf9f2aab GM |
1457 | && SYMBOLP (obj) |
1458 | && !SYMBOL_INTERNED_P (obj))) | |
0f25ecc6 RS |
1459 | { |
1460 | if (NILP (Vprint_circle) && NILP (Vprint_gensym)) | |
1461 | { | |
1462 | /* Simple but incomplete way. */ | |
1463 | int i; | |
1464 | for (i = 0; i < print_depth; i++) | |
1465 | if (EQ (obj, being_printed[i])) | |
1466 | { | |
1467 | sprintf (buf, "#%d", i); | |
1468 | strout (buf, -1, -1, printcharfun, 0); | |
1469 | return; | |
1470 | } | |
1471 | being_printed[print_depth] = obj; | |
1472 | } | |
1473 | else | |
1474 | { | |
1475 | /* With the print-circle feature. */ | |
1476 | int i; | |
1477 | for (i = 0; i < print_number_index; i++) | |
7c752c80 | 1478 | if (EQ (PRINT_NUMBER_OBJECT (Vprint_number_table, i), obj)) |
0f25ecc6 RS |
1479 | { |
1480 | if (NILP (PRINT_NUMBER_STATUS (Vprint_number_table, i))) | |
1481 | { | |
1482 | /* Add a prefix #n= if OBJ has not yet been printed; | |
1483 | that is, its status field is nil. */ | |
1484 | sprintf (buf, "#%d=", i + 1); | |
1485 | strout (buf, -1, -1, printcharfun, 0); | |
1486 | /* OBJ is going to be printed. Set the status to t. */ | |
1487 | PRINT_NUMBER_STATUS (Vprint_number_table, i) = Qt; | |
1488 | break; | |
1489 | } | |
1490 | else | |
1491 | { | |
1492 | /* Just print #n# if OBJ has already been printed. */ | |
1493 | sprintf (buf, "#%d#", i + 1); | |
1494 | strout (buf, -1, -1, printcharfun, 0); | |
1495 | return; | |
1496 | } | |
1497 | } | |
1498 | } | |
ec838c39 | 1499 | } |
ec838c39 | 1500 | |
38010d50 JB |
1501 | print_depth++; |
1502 | ||
c1132671 | 1503 | /* See similar code in print_preprocess. */ |
ec838c39 | 1504 | if (print_depth > PRINT_CIRCLE) |
38010d50 JB |
1505 | error ("Apparently circular structure being printed"); |
1506 | #ifdef MAX_PRINT_CHARS | |
1507 | if (max_print && print_chars > max_print) | |
1508 | { | |
1509 | PRINTCHAR ('\n'); | |
1510 | print_chars = 0; | |
1511 | } | |
1512 | #endif /* MAX_PRINT_CHARS */ | |
1513 | ||
ca0569ad | 1514 | switch (XGCTYPE (obj)) |
38010d50 | 1515 | { |
ca0569ad | 1516 | case Lisp_Int: |
b8180922 RS |
1517 | if (sizeof (int) == sizeof (EMACS_INT)) |
1518 | sprintf (buf, "%d", XINT (obj)); | |
1519 | else if (sizeof (long) == sizeof (EMACS_INT)) | |
63fbf4ff | 1520 | sprintf (buf, "%ld", (long) XINT (obj)); |
b8180922 RS |
1521 | else |
1522 | abort (); | |
dc2a0b79 | 1523 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1524 | break; |
1525 | ||
ca0569ad RS |
1526 | case Lisp_Float: |
1527 | { | |
1528 | char pigbuf[350]; /* see comments in float_to_string */ | |
38010d50 | 1529 | |
94b342ce | 1530 | float_to_string (pigbuf, XFLOAT_DATA (obj)); |
dc2a0b79 | 1531 | strout (pigbuf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1532 | } |
1533 | break; | |
ca0569ad RS |
1534 | |
1535 | case Lisp_String: | |
38010d50 JB |
1536 | if (!escapeflag) |
1537 | print_string (obj, printcharfun); | |
1538 | else | |
1539 | { | |
dc2a0b79 | 1540 | register int i, i_byte; |
38010d50 | 1541 | struct gcpro gcpro1; |
872a36d2 | 1542 | unsigned char *str; |
dc2a0b79 | 1543 | int size_byte; |
453fa987 RS |
1544 | /* 1 means we must ensure that the next character we output |
1545 | cannot be taken as part of a hex character escape. */ | |
1546 | int need_nonhex = 0; | |
db300f59 | 1547 | int multibyte = STRING_MULTIBYTE (obj); |
38010d50 | 1548 | |
7651e1f5 RS |
1549 | GCPRO1 (obj); |
1550 | ||
d5db4077 | 1551 | if (!NULL_INTERVAL_P (STRING_INTERVALS (obj))) |
7651e1f5 RS |
1552 | { |
1553 | PRINTCHAR ('#'); | |
1554 | PRINTCHAR ('('); | |
1555 | } | |
38010d50 JB |
1556 | |
1557 | PRINTCHAR ('\"'); | |
d5db4077 KR |
1558 | str = SDATA (obj); |
1559 | size_byte = SBYTES (obj); | |
dc2a0b79 RS |
1560 | |
1561 | for (i = 0, i_byte = 0; i_byte < size_byte;) | |
38010d50 | 1562 | { |
6ddd6eee RS |
1563 | /* Here, we must convert each multi-byte form to the |
1564 | corresponding character code before handing it to PRINTCHAR. */ | |
1565 | int len; | |
dc2a0b79 RS |
1566 | int c; |
1567 | ||
db300f59 | 1568 | if (multibyte) |
872a36d2 | 1569 | { |
765fe1d0 KH |
1570 | c = STRING_CHAR_AND_LENGTH (str + i_byte, |
1571 | size_byte - i_byte, len); | |
da1ad4e7 KH |
1572 | if (CHAR_VALID_P (c, 0)) |
1573 | i_byte += len; | |
1574 | else | |
1575 | c = str[i_byte++]; | |
872a36d2 | 1576 | } |
dc2a0b79 | 1577 | else |
872a36d2 | 1578 | c = str[i_byte++]; |
dc2a0b79 | 1579 | |
38010d50 | 1580 | QUIT; |
6ddd6eee | 1581 | |
38010d50 JB |
1582 | if (c == '\n' && print_escape_newlines) |
1583 | { | |
1584 | PRINTCHAR ('\\'); | |
1585 | PRINTCHAR ('n'); | |
1586 | } | |
c6f7982f RM |
1587 | else if (c == '\f' && print_escape_newlines) |
1588 | { | |
1589 | PRINTCHAR ('\\'); | |
1590 | PRINTCHAR ('f'); | |
1591 | } | |
ae7367d3 RS |
1592 | else if (multibyte |
1593 | && ! ASCII_BYTE_P (c) | |
1594 | && (SINGLE_BYTE_CHAR_P (c) || print_escape_multibyte)) | |
dc2a0b79 RS |
1595 | { |
1596 | /* When multibyte is disabled, | |
ae7367d3 RS |
1597 | print multibyte string chars using hex escapes. |
1598 | For a char code that could be in a unibyte string, | |
1599 | when found in a multibyte string, always use a hex escape | |
1600 | so it reads back as multibyte. */ | |
dc2a0b79 RS |
1601 | unsigned char outbuf[50]; |
1602 | sprintf (outbuf, "\\x%x", c); | |
1603 | strout (outbuf, -1, -1, printcharfun, 0); | |
453fa987 | 1604 | need_nonhex = 1; |
dc2a0b79 | 1605 | } |
db300f59 RS |
1606 | else if (! multibyte |
1607 | && SINGLE_BYTE_CHAR_P (c) && ! ASCII_BYTE_P (c) | |
835d0be6 | 1608 | && print_escape_nonascii) |
974a6ff5 | 1609 | { |
835d0be6 RS |
1610 | /* When printing in a multibyte buffer |
1611 | or when explicitly requested, | |
974a6ff5 KH |
1612 | print single-byte non-ASCII string chars |
1613 | using octal escapes. */ | |
1614 | unsigned char outbuf[5]; | |
1615 | sprintf (outbuf, "\\%03o", c); | |
1616 | strout (outbuf, -1, -1, printcharfun, 0); | |
1617 | } | |
38010d50 JB |
1618 | else |
1619 | { | |
453fa987 RS |
1620 | /* If we just had a hex escape, and this character |
1621 | could be taken as part of it, | |
1622 | output `\ ' to prevent that. */ | |
1b62edd6 KH |
1623 | if (need_nonhex) |
1624 | { | |
1625 | need_nonhex = 0; | |
1626 | if ((c >= 'a' && c <= 'f') | |
453fa987 | 1627 | || (c >= 'A' && c <= 'F') |
1b62edd6 KH |
1628 | || (c >= '0' && c <= '9')) |
1629 | strout ("\\ ", -1, -1, printcharfun, 0); | |
1630 | } | |
453fa987 | 1631 | |
38010d50 JB |
1632 | if (c == '\"' || c == '\\') |
1633 | PRINTCHAR ('\\'); | |
1634 | PRINTCHAR (c); | |
1635 | } | |
1636 | } | |
1637 | PRINTCHAR ('\"'); | |
7651e1f5 | 1638 | |
d5db4077 | 1639 | if (!NULL_INTERVAL_P (STRING_INTERVALS (obj))) |
7651e1f5 | 1640 | { |
d5db4077 | 1641 | traverse_intervals (STRING_INTERVALS (obj), |
8bbfc258 | 1642 | 0, print_interval, printcharfun); |
7651e1f5 RS |
1643 | PRINTCHAR (')'); |
1644 | } | |
7651e1f5 | 1645 | |
38010d50 JB |
1646 | UNGCPRO; |
1647 | } | |
ca0569ad | 1648 | break; |
38010d50 | 1649 | |
ca0569ad RS |
1650 | case Lisp_Symbol: |
1651 | { | |
1652 | register int confusing; | |
d5db4077 KR |
1653 | register unsigned char *p = SDATA (SYMBOL_NAME (obj)); |
1654 | register unsigned char *end = p + SBYTES (SYMBOL_NAME (obj)); | |
2190a05e | 1655 | register int c; |
dc2a0b79 RS |
1656 | int i, i_byte, size_byte; |
1657 | Lisp_Object name; | |
1658 | ||
76d0b3ae | 1659 | name = SYMBOL_NAME (obj); |
ca0569ad RS |
1660 | |
1661 | if (p != end && (*p == '-' || *p == '+')) p++; | |
1662 | if (p == end) | |
1663 | confusing = 0; | |
d27497e3 RS |
1664 | /* If symbol name begins with a digit, and ends with a digit, |
1665 | and contains nothing but digits and `e', it could be treated | |
1666 | as a number. So set CONFUSING. | |
1667 | ||
1668 | Symbols that contain periods could also be taken as numbers, | |
1669 | but periods are always escaped, so we don't have to worry | |
1670 | about them here. */ | |
1671 | else if (*p >= '0' && *p <= '9' | |
1672 | && end[-1] >= '0' && end[-1] <= '9') | |
ca0569ad | 1673 | { |
e837058b RS |
1674 | while (p != end && ((*p >= '0' && *p <= '9') |
1675 | /* Needed for \2e10. */ | |
1676 | || *p == 'e')) | |
ca0569ad RS |
1677 | p++; |
1678 | confusing = (end == p); | |
1679 | } | |
d27497e3 RS |
1680 | else |
1681 | confusing = 0; | |
ca0569ad | 1682 | |
bf9f2aab | 1683 | if (! NILP (Vprint_gensym) && !SYMBOL_INTERNED_P (obj)) |
081e0581 | 1684 | { |
081e0581 EN |
1685 | PRINTCHAR ('#'); |
1686 | PRINTCHAR (':'); | |
1687 | } | |
1688 | ||
d5db4077 | 1689 | size_byte = SBYTES (name); |
dc2a0b79 RS |
1690 | |
1691 | for (i = 0, i_byte = 0; i_byte < size_byte;) | |
ca0569ad | 1692 | { |
6ddd6eee RS |
1693 | /* Here, we must convert each multi-byte form to the |
1694 | corresponding character code before handing it to PRINTCHAR. */ | |
eba90784 | 1695 | FETCH_STRING_CHAR_ADVANCE (c, name, i, i_byte); |
ca0569ad | 1696 | QUIT; |
09eddb56 | 1697 | |
ca0569ad RS |
1698 | if (escapeflag) |
1699 | { | |
09eddb56 RS |
1700 | if (c == '\"' || c == '\\' || c == '\'' |
1701 | || c == ';' || c == '#' || c == '(' || c == ')' | |
1702 | || c == ',' || c =='.' || c == '`' | |
1703 | || c == '[' || c == ']' || c == '?' || c <= 040 | |
1704 | || confusing) | |
ca0569ad RS |
1705 | PRINTCHAR ('\\'), confusing = 0; |
1706 | } | |
1707 | PRINTCHAR (c); | |
1708 | } | |
1709 | } | |
1710 | break; | |
1711 | ||
1712 | case Lisp_Cons: | |
38010d50 | 1713 | /* If deeper than spec'd depth, print placeholder. */ |
d4ae1f7e | 1714 | if (INTEGERP (Vprint_level) |
38010d50 | 1715 | && print_depth > XINT (Vprint_level)) |
dc2a0b79 | 1716 | strout ("...", -1, -1, printcharfun, 0); |
2f100b5c EN |
1717 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) |
1718 | && (EQ (XCAR (obj), Qquote))) | |
1719 | { | |
1720 | PRINTCHAR ('\''); | |
0f25ecc6 | 1721 | print_object (XCAR (XCDR (obj)), printcharfun, escapeflag); |
2f100b5c EN |
1722 | } |
1723 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) | |
1724 | && (EQ (XCAR (obj), Qfunction))) | |
1725 | { | |
1726 | PRINTCHAR ('#'); | |
1727 | PRINTCHAR ('\''); | |
0f25ecc6 | 1728 | print_object (XCAR (XCDR (obj)), printcharfun, escapeflag); |
2f100b5c EN |
1729 | } |
1730 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) | |
0330bb60 | 1731 | && ! old_backquote_output |
2f100b5c EN |
1732 | && ((EQ (XCAR (obj), Qbackquote) |
1733 | || EQ (XCAR (obj), Qcomma) | |
1734 | || EQ (XCAR (obj), Qcomma_at) | |
1735 | || EQ (XCAR (obj), Qcomma_dot)))) | |
1736 | { | |
0f25ecc6 RS |
1737 | print_object (XCAR (obj), printcharfun, 0); |
1738 | print_object (XCAR (XCDR (obj)), printcharfun, escapeflag); | |
2f100b5c | 1739 | } |
e0f93814 | 1740 | else |
38010d50 | 1741 | { |
e0f93814 | 1742 | PRINTCHAR ('('); |
177c0ea7 | 1743 | |
0330bb60 RS |
1744 | /* If the first element is a backquote form, |
1745 | print it old-style so it won't be misunderstood. */ | |
1746 | if (print_quoted && CONSP (XCAR (obj)) | |
1747 | && CONSP (XCDR (XCAR (obj))) | |
1748 | && NILP (XCDR (XCDR (XCAR (obj)))) | |
1749 | && EQ (XCAR (XCAR (obj)), Qbackquote)) | |
1750 | { | |
1751 | Lisp_Object tem; | |
1752 | tem = XCAR (obj); | |
1753 | PRINTCHAR ('('); | |
1754 | ||
1755 | print_object (Qbackquote, printcharfun, 0); | |
1756 | PRINTCHAR (' '); | |
1757 | ||
1758 | ++old_backquote_output; | |
1759 | print_object (XCAR (XCDR (tem)), printcharfun, 0); | |
1760 | --old_backquote_output; | |
1761 | PRINTCHAR (')'); | |
1762 | ||
1763 | obj = XCDR (obj); | |
1764 | } | |
1765 | ||
38010d50 | 1766 | { |
42ac1ed4 | 1767 | int print_length, i; |
1eab22b5 | 1768 | Lisp_Object halftail = obj; |
e0f93814 | 1769 | |
9ab8560d | 1770 | /* Negative values of print-length are invalid in CL. |
42ac1ed4 GM |
1771 | Treat them like nil, as CMUCL does. */ |
1772 | if (NATNUMP (Vprint_length)) | |
1773 | print_length = XFASTINT (Vprint_length); | |
1774 | else | |
1775 | print_length = 0; | |
1776 | ||
1777 | i = 0; | |
e0f93814 | 1778 | while (CONSP (obj)) |
38010d50 | 1779 | { |
1eab22b5 | 1780 | /* Detect circular list. */ |
0f25ecc6 | 1781 | if (NILP (Vprint_circle)) |
1eab22b5 | 1782 | { |
0f25ecc6 RS |
1783 | /* Simple but imcomplete way. */ |
1784 | if (i != 0 && EQ (obj, halftail)) | |
1785 | { | |
1786 | sprintf (buf, " . #%d", i / 2); | |
1787 | strout (buf, -1, -1, printcharfun, 0); | |
1788 | goto end_of_list; | |
1789 | } | |
1790 | } | |
1791 | else | |
1792 | { | |
1793 | /* With the print-circle feature. */ | |
1794 | if (i != 0) | |
1795 | { | |
1796 | int i; | |
1797 | for (i = 0; i < print_number_index; i++) | |
42ac1ed4 GM |
1798 | if (EQ (PRINT_NUMBER_OBJECT (Vprint_number_table, i), |
1799 | obj)) | |
0f25ecc6 RS |
1800 | { |
1801 | if (NILP (PRINT_NUMBER_STATUS (Vprint_number_table, i))) | |
1802 | { | |
1803 | strout (" . ", 3, 3, printcharfun, 0); | |
1804 | print_object (obj, printcharfun, escapeflag); | |
1805 | } | |
1806 | else | |
1807 | { | |
1808 | sprintf (buf, " . #%d#", i + 1); | |
1809 | strout (buf, -1, -1, printcharfun, 0); | |
1810 | } | |
1811 | goto end_of_list; | |
1812 | } | |
1813 | } | |
1eab22b5 | 1814 | } |
177c0ea7 | 1815 | |
e0f93814 KH |
1816 | if (i++) |
1817 | PRINTCHAR (' '); | |
177c0ea7 | 1818 | |
f4fe72d5 | 1819 | if (print_length && i > print_length) |
e0f93814 | 1820 | { |
dc2a0b79 | 1821 | strout ("...", 3, 3, printcharfun, 0); |
0f25ecc6 | 1822 | goto end_of_list; |
e0f93814 | 1823 | } |
177c0ea7 | 1824 | |
0f25ecc6 | 1825 | print_object (XCAR (obj), printcharfun, escapeflag); |
177c0ea7 | 1826 | |
2f100b5c | 1827 | obj = XCDR (obj); |
1eab22b5 RS |
1828 | if (!(i & 1)) |
1829 | halftail = XCDR (halftail); | |
38010d50 | 1830 | } |
38010d50 | 1831 | } |
42ac1ed4 GM |
1832 | |
1833 | /* OBJ non-nil here means it's the end of a dotted list. */ | |
2f100b5c | 1834 | if (!NILP (obj)) |
e0f93814 | 1835 | { |
dc2a0b79 | 1836 | strout (" . ", 3, 3, printcharfun, 0); |
0f25ecc6 | 1837 | print_object (obj, printcharfun, escapeflag); |
e0f93814 | 1838 | } |
177c0ea7 | 1839 | |
0f25ecc6 | 1840 | end_of_list: |
e0f93814 | 1841 | PRINTCHAR (')'); |
38010d50 | 1842 | } |
ca0569ad RS |
1843 | break; |
1844 | ||
1845 | case Lisp_Vectorlike: | |
1846 | if (PROCESSP (obj)) | |
1847 | { | |
1848 | if (escapeflag) | |
1849 | { | |
dc2a0b79 | 1850 | strout ("#<process ", -1, -1, printcharfun, 0); |
ca0569ad RS |
1851 | print_string (XPROCESS (obj)->name, printcharfun); |
1852 | PRINTCHAR ('>'); | |
1853 | } | |
1854 | else | |
1855 | print_string (XPROCESS (obj)->name, printcharfun); | |
1856 | } | |
ed2c35ef RS |
1857 | else if (BOOL_VECTOR_P (obj)) |
1858 | { | |
1859 | register int i; | |
1860 | register unsigned char c; | |
1861 | struct gcpro gcpro1; | |
ed2c35ef | 1862 | int size_in_chars |
4b5af5e4 AS |
1863 | = ((XBOOL_VECTOR (obj)->size + BOOL_VECTOR_BITS_PER_CHAR - 1) |
1864 | / BOOL_VECTOR_BITS_PER_CHAR); | |
ed2c35ef RS |
1865 | |
1866 | GCPRO1 (obj); | |
1867 | ||
1868 | PRINTCHAR ('#'); | |
1869 | PRINTCHAR ('&'); | |
474f84d9 | 1870 | sprintf (buf, "%ld", (long) XBOOL_VECTOR (obj)->size); |
dc2a0b79 | 1871 | strout (buf, -1, -1, printcharfun, 0); |
ed2c35ef | 1872 | PRINTCHAR ('\"'); |
a40384bc | 1873 | |
42ac1ed4 | 1874 | /* Don't print more characters than the specified maximum. |
9ab8560d | 1875 | Negative values of print-length are invalid. Treat them |
42ac1ed4 GM |
1876 | like a print-length of nil. */ |
1877 | if (NATNUMP (Vprint_length) | |
1878 | && XFASTINT (Vprint_length) < size_in_chars) | |
1879 | size_in_chars = XFASTINT (Vprint_length); | |
a40384bc | 1880 | |
ed2c35ef RS |
1881 | for (i = 0; i < size_in_chars; i++) |
1882 | { | |
1883 | QUIT; | |
1884 | c = XBOOL_VECTOR (obj)->data[i]; | |
1885 | if (c == '\n' && print_escape_newlines) | |
1886 | { | |
1887 | PRINTCHAR ('\\'); | |
1888 | PRINTCHAR ('n'); | |
1889 | } | |
1890 | else if (c == '\f' && print_escape_newlines) | |
1891 | { | |
1892 | PRINTCHAR ('\\'); | |
1893 | PRINTCHAR ('f'); | |
1894 | } | |
4b5af5e4 AS |
1895 | else if (c > '\177') |
1896 | { | |
1897 | /* Use octal escapes to avoid encoding issues. */ | |
1898 | PRINTCHAR ('\\'); | |
1899 | PRINTCHAR ('0' + ((c >> 6) & 3)); | |
1900 | PRINTCHAR ('0' + ((c >> 3) & 7)); | |
1901 | PRINTCHAR ('0' + (c & 7)); | |
1902 | } | |
ed2c35ef RS |
1903 | else |
1904 | { | |
1905 | if (c == '\"' || c == '\\') | |
1906 | PRINTCHAR ('\\'); | |
1907 | PRINTCHAR (c); | |
1908 | } | |
1909 | } | |
1910 | PRINTCHAR ('\"'); | |
1911 | ||
1912 | UNGCPRO; | |
1913 | } | |
ca0569ad RS |
1914 | else if (SUBRP (obj)) |
1915 | { | |
dc2a0b79 RS |
1916 | strout ("#<subr ", -1, -1, printcharfun, 0); |
1917 | strout (XSUBR (obj)->symbol_name, -1, -1, printcharfun, 0); | |
ca0569ad RS |
1918 | PRINTCHAR ('>'); |
1919 | } | |
ca0569ad RS |
1920 | else if (WINDOWP (obj)) |
1921 | { | |
dc2a0b79 | 1922 | strout ("#<window ", -1, -1, printcharfun, 0); |
474f84d9 | 1923 | sprintf (buf, "%ld", (long) XFASTINT (XWINDOW (obj)->sequence_number)); |
dc2a0b79 | 1924 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1925 | if (!NILP (XWINDOW (obj)->buffer)) |
1926 | { | |
dc2a0b79 | 1927 | strout (" on ", -1, -1, printcharfun, 0); |
ca0569ad RS |
1928 | print_string (XBUFFER (XWINDOW (obj)->buffer)->name, printcharfun); |
1929 | } | |
1930 | PRINTCHAR ('>'); | |
1931 | } | |
7eb03302 GM |
1932 | else if (HASH_TABLE_P (obj)) |
1933 | { | |
1934 | struct Lisp_Hash_Table *h = XHASH_TABLE (obj); | |
1935 | strout ("#<hash-table", -1, -1, printcharfun, 0); | |
1936 | if (SYMBOLP (h->test)) | |
1937 | { | |
1938 | PRINTCHAR (' '); | |
1939 | PRINTCHAR ('\''); | |
d5db4077 | 1940 | strout (SDATA (SYMBOL_NAME (h->test)), -1, -1, printcharfun, 0); |
7eb03302 | 1941 | PRINTCHAR (' '); |
d5db4077 | 1942 | strout (SDATA (SYMBOL_NAME (h->weak)), -1, -1, printcharfun, 0); |
7eb03302 | 1943 | PRINTCHAR (' '); |
474f84d9 AS |
1944 | sprintf (buf, "%ld/%ld", (long) XFASTINT (h->count), |
1945 | (long) XVECTOR (h->next)->size); | |
7eb03302 GM |
1946 | strout (buf, -1, -1, printcharfun, 0); |
1947 | } | |
1948 | sprintf (buf, " 0x%lx", (unsigned long) h); | |
1949 | strout (buf, -1, -1, printcharfun, 0); | |
1950 | PRINTCHAR ('>'); | |
1951 | } | |
908b0ae5 RS |
1952 | else if (BUFFERP (obj)) |
1953 | { | |
1954 | if (NILP (XBUFFER (obj)->name)) | |
dc2a0b79 | 1955 | strout ("#<killed buffer>", -1, -1, printcharfun, 0); |
908b0ae5 RS |
1956 | else if (escapeflag) |
1957 | { | |
dc2a0b79 | 1958 | strout ("#<buffer ", -1, -1, printcharfun, 0); |
908b0ae5 RS |
1959 | print_string (XBUFFER (obj)->name, printcharfun); |
1960 | PRINTCHAR ('>'); | |
1961 | } | |
1962 | else | |
1963 | print_string (XBUFFER (obj)->name, printcharfun); | |
1964 | } | |
ca0569ad RS |
1965 | else if (WINDOW_CONFIGURATIONP (obj)) |
1966 | { | |
dc2a0b79 | 1967 | strout ("#<window-configuration>", -1, -1, printcharfun, 0); |
ca0569ad | 1968 | } |
ca0569ad RS |
1969 | else if (FRAMEP (obj)) |
1970 | { | |
1971 | strout ((FRAME_LIVE_P (XFRAME (obj)) | |
1972 | ? "#<frame " : "#<dead frame "), | |
dc2a0b79 | 1973 | -1, -1, printcharfun, 0); |
ca0569ad | 1974 | print_string (XFRAME (obj)->name, printcharfun); |
aab3aa14 | 1975 | sprintf (buf, " 0x%lx", (unsigned long) (XFRAME (obj))); |
dc2a0b79 | 1976 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1977 | PRINTCHAR ('>'); |
1978 | } | |
ca0569ad RS |
1979 | else |
1980 | { | |
3164abe6 | 1981 | EMACS_INT size = XVECTOR (obj)->size; |
ca0569ad RS |
1982 | if (COMPILEDP (obj)) |
1983 | { | |
1984 | PRINTCHAR ('#'); | |
1985 | size &= PSEUDOVECTOR_SIZE_MASK; | |
1986 | } | |
ed2c35ef RS |
1987 | if (CHAR_TABLE_P (obj)) |
1988 | { | |
1989 | /* We print a char-table as if it were a vector, | |
1990 | lumping the parent and default slots in with the | |
1991 | character slots. But we add #^ as a prefix. */ | |
1992 | PRINTCHAR ('#'); | |
1993 | PRINTCHAR ('^'); | |
3701b5de KH |
1994 | if (SUB_CHAR_TABLE_P (obj)) |
1995 | PRINTCHAR ('^'); | |
ed2c35ef RS |
1996 | size &= PSEUDOVECTOR_SIZE_MASK; |
1997 | } | |
00d76abc KH |
1998 | if (size & PSEUDOVECTOR_FLAG) |
1999 | goto badtype; | |
ca0569ad RS |
2000 | |
2001 | PRINTCHAR ('['); | |
38010d50 | 2002 | { |
ca0569ad RS |
2003 | register int i; |
2004 | register Lisp_Object tem; | |
d6ac884e | 2005 | int real_size = size; |
a40384bc RS |
2006 | |
2007 | /* Don't print more elements than the specified maximum. */ | |
42ac1ed4 GM |
2008 | if (NATNUMP (Vprint_length) |
2009 | && XFASTINT (Vprint_length) < size) | |
2010 | size = XFASTINT (Vprint_length); | |
a40384bc | 2011 | |
ca0569ad RS |
2012 | for (i = 0; i < size; i++) |
2013 | { | |
2014 | if (i) PRINTCHAR (' '); | |
2015 | tem = XVECTOR (obj)->contents[i]; | |
0f25ecc6 | 2016 | print_object (tem, printcharfun, escapeflag); |
ca0569ad | 2017 | } |
d6ac884e KH |
2018 | if (size < real_size) |
2019 | strout (" ...", 4, 4, printcharfun, 0); | |
38010d50 | 2020 | } |
ca0569ad RS |
2021 | PRINTCHAR (']'); |
2022 | } | |
2023 | break; | |
2024 | ||
ca0569ad | 2025 | case Lisp_Misc: |
5db20f08 | 2026 | switch (XMISCTYPE (obj)) |
38010d50 | 2027 | { |
00d76abc | 2028 | case Lisp_Misc_Marker: |
dc2a0b79 | 2029 | strout ("#<marker ", -1, -1, printcharfun, 0); |
087e3c46 KH |
2030 | /* Do you think this is necessary? */ |
2031 | if (XMARKER (obj)->insertion_type != 0) | |
210ebd3d | 2032 | strout ("(moves after insertion) ", -1, -1, printcharfun, 0); |
ca0569ad | 2033 | if (!(XMARKER (obj)->buffer)) |
dc2a0b79 | 2034 | strout ("in no buffer", -1, -1, printcharfun, 0); |
ca0569ad RS |
2035 | else |
2036 | { | |
2037 | sprintf (buf, "at %d", marker_position (obj)); | |
dc2a0b79 RS |
2038 | strout (buf, -1, -1, printcharfun, 0); |
2039 | strout (" in ", -1, -1, printcharfun, 0); | |
ca0569ad RS |
2040 | print_string (XMARKER (obj)->buffer->name, printcharfun); |
2041 | } | |
38010d50 | 2042 | PRINTCHAR ('>'); |
908b0ae5 | 2043 | break; |
00d76abc KH |
2044 | |
2045 | case Lisp_Misc_Overlay: | |
dc2a0b79 | 2046 | strout ("#<overlay ", -1, -1, printcharfun, 0); |
ca0569ad | 2047 | if (!(XMARKER (OVERLAY_START (obj))->buffer)) |
dc2a0b79 | 2048 | strout ("in no buffer", -1, -1, printcharfun, 0); |
ca0569ad RS |
2049 | else |
2050 | { | |
2051 | sprintf (buf, "from %d to %d in ", | |
2052 | marker_position (OVERLAY_START (obj)), | |
2053 | marker_position (OVERLAY_END (obj))); | |
dc2a0b79 | 2054 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
2055 | print_string (XMARKER (OVERLAY_START (obj))->buffer->name, |
2056 | printcharfun); | |
2057 | } | |
2058 | PRINTCHAR ('>'); | |
908b0ae5 | 2059 | break; |
00d76abc KH |
2060 | |
2061 | /* Remaining cases shouldn't happen in normal usage, but let's print | |
2062 | them anyway for the benefit of the debugger. */ | |
2063 | case Lisp_Misc_Free: | |
dc2a0b79 | 2064 | strout ("#<misc free cell>", -1, -1, printcharfun, 0); |
00d76abc KH |
2065 | break; |
2066 | ||
2067 | case Lisp_Misc_Intfwd: | |
474f84d9 | 2068 | sprintf (buf, "#<intfwd to %ld>", (long) *XINTFWD (obj)->intvar); |
dc2a0b79 | 2069 | strout (buf, -1, -1, printcharfun, 0); |
00d76abc KH |
2070 | break; |
2071 | ||
2072 | case Lisp_Misc_Boolfwd: | |
2073 | sprintf (buf, "#<boolfwd to %s>", | |
2074 | (*XBOOLFWD (obj)->boolvar ? "t" : "nil")); | |
dc2a0b79 | 2075 | strout (buf, -1, -1, printcharfun, 0); |
00d76abc KH |
2076 | break; |
2077 | ||
2078 | case Lisp_Misc_Objfwd: | |
dc2a0b79 | 2079 | strout ("#<objfwd to ", -1, -1, printcharfun, 0); |
0f25ecc6 | 2080 | print_object (*XOBJFWD (obj)->objvar, printcharfun, escapeflag); |
00d76abc KH |
2081 | PRINTCHAR ('>'); |
2082 | break; | |
2083 | ||
2084 | case Lisp_Misc_Buffer_Objfwd: | |
dc2a0b79 | 2085 | strout ("#<buffer_objfwd to ", -1, -1, printcharfun, 0); |
f6cd0527 GM |
2086 | print_object (PER_BUFFER_VALUE (current_buffer, |
2087 | XBUFFER_OBJFWD (obj)->offset), | |
c3279ad4 | 2088 | printcharfun, escapeflag); |
3ac613c1 KH |
2089 | PRINTCHAR ('>'); |
2090 | break; | |
2091 | ||
fb917148 | 2092 | case Lisp_Misc_Kboard_Objfwd: |
dc2a0b79 | 2093 | strout ("#<kboard_objfwd to ", -1, -1, printcharfun, 0); |
0f25ecc6 RS |
2094 | print_object (*(Lisp_Object *)((char *) current_kboard |
2095 | + XKBOARD_OBJFWD (obj)->offset), | |
c3279ad4 | 2096 | printcharfun, escapeflag); |
00d76abc KH |
2097 | PRINTCHAR ('>'); |
2098 | break; | |
2099 | ||
2100 | case Lisp_Misc_Buffer_Local_Value: | |
dc2a0b79 | 2101 | strout ("#<buffer_local_value ", -1, -1, printcharfun, 0); |
00d76abc KH |
2102 | goto do_buffer_local; |
2103 | case Lisp_Misc_Some_Buffer_Local_Value: | |
dc2a0b79 | 2104 | strout ("#<some_buffer_local_value ", -1, -1, printcharfun, 0); |
00d76abc | 2105 | do_buffer_local: |
dc2a0b79 | 2106 | strout ("[realvalue] ", -1, -1, printcharfun, 0); |
0f25ecc6 RS |
2107 | print_object (XBUFFER_LOCAL_VALUE (obj)->realvalue, |
2108 | printcharfun, escapeflag); | |
03153771 RS |
2109 | if (XBUFFER_LOCAL_VALUE (obj)->found_for_buffer) |
2110 | strout ("[local in buffer] ", -1, -1, printcharfun, 0); | |
2111 | else | |
2112 | strout ("[buffer] ", -1, -1, printcharfun, 0); | |
0f25ecc6 RS |
2113 | print_object (XBUFFER_LOCAL_VALUE (obj)->buffer, |
2114 | printcharfun, escapeflag); | |
03153771 RS |
2115 | if (XBUFFER_LOCAL_VALUE (obj)->check_frame) |
2116 | { | |
2117 | if (XBUFFER_LOCAL_VALUE (obj)->found_for_frame) | |
2118 | strout ("[local in frame] ", -1, -1, printcharfun, 0); | |
2119 | else | |
2120 | strout ("[frame] ", -1, -1, printcharfun, 0); | |
0f25ecc6 RS |
2121 | print_object (XBUFFER_LOCAL_VALUE (obj)->frame, |
2122 | printcharfun, escapeflag); | |
03153771 | 2123 | } |
dc2a0b79 | 2124 | strout ("[alist-elt] ", -1, -1, printcharfun, 0); |
94b342ce | 2125 | print_object (XCAR (XBUFFER_LOCAL_VALUE (obj)->cdr), |
0f25ecc6 | 2126 | printcharfun, escapeflag); |
dc2a0b79 | 2127 | strout ("[default-value] ", -1, -1, printcharfun, 0); |
94b342ce | 2128 | print_object (XCDR (XBUFFER_LOCAL_VALUE (obj)->cdr), |
0f25ecc6 | 2129 | printcharfun, escapeflag); |
00d76abc KH |
2130 | PRINTCHAR ('>'); |
2131 | break; | |
2132 | ||
c069fee4 KS |
2133 | case Lisp_Misc_Save_Value: |
2134 | strout ("#<save_value ", -1, -1, printcharfun, 0); | |
44455197 | 2135 | sprintf(buf, "ptr=0x%08lx int=%d", |
c069fee4 KS |
2136 | (unsigned long) XSAVE_VALUE (obj)->pointer, |
2137 | XSAVE_VALUE (obj)->integer); | |
2138 | strout (buf, -1, -1, printcharfun, 0); | |
2139 | PRINTCHAR ('>'); | |
2140 | break; | |
2141 | ||
00d76abc KH |
2142 | default: |
2143 | goto badtype; | |
e0f93814 | 2144 | } |
00d76abc | 2145 | break; |
ca0569ad RS |
2146 | |
2147 | default: | |
00d76abc | 2148 | badtype: |
ca0569ad RS |
2149 | { |
2150 | /* We're in trouble if this happens! | |
2151 | Probably should just abort () */ | |
dc2a0b79 | 2152 | strout ("#<EMACS BUG: INVALID DATATYPE ", -1, -1, printcharfun, 0); |
00d76abc | 2153 | if (MISCP (obj)) |
5db20f08 | 2154 | sprintf (buf, "(MISC 0x%04x)", (int) XMISCTYPE (obj)); |
00d76abc KH |
2155 | else if (VECTORLIKEP (obj)) |
2156 | sprintf (buf, "(PVEC 0x%08x)", (int) XVECTOR (obj)->size); | |
2157 | else | |
2158 | sprintf (buf, "(0x%02x)", (int) XTYPE (obj)); | |
dc2a0b79 | 2159 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad | 2160 | strout (" Save your buffers immediately and please report this bug>", |
dc2a0b79 | 2161 | -1, -1, printcharfun, 0); |
ca0569ad | 2162 | } |
38010d50 JB |
2163 | } |
2164 | ||
2165 | print_depth--; | |
2166 | } | |
2167 | \f | |
7651e1f5 RS |
2168 | |
2169 | /* Print a description of INTERVAL using PRINTCHARFUN. | |
2170 | This is part of printing a string that has text properties. */ | |
2171 | ||
2172 | void | |
2173 | print_interval (interval, printcharfun) | |
2174 | INTERVAL interval; | |
2175 | Lisp_Object printcharfun; | |
2176 | { | |
30503c0b | 2177 | PRINTCHAR (' '); |
0f25ecc6 | 2178 | print_object (make_number (interval->position), printcharfun, 1); |
7651e1f5 | 2179 | PRINTCHAR (' '); |
0f25ecc6 | 2180 | print_object (make_number (interval->position + LENGTH (interval)), |
7651e1f5 RS |
2181 | printcharfun, 1); |
2182 | PRINTCHAR (' '); | |
0f25ecc6 | 2183 | print_object (interval->plist, printcharfun, 1); |
7651e1f5 RS |
2184 | } |
2185 | ||
7651e1f5 | 2186 | \f |
38010d50 JB |
2187 | void |
2188 | syms_of_print () | |
2189 | { | |
d9c21094 RS |
2190 | Qtemp_buffer_setup_hook = intern ("temp-buffer-setup-hook"); |
2191 | staticpro (&Qtemp_buffer_setup_hook); | |
2192 | ||
38010d50 | 2193 | DEFVAR_LISP ("standard-output", &Vstandard_output, |
8c1a1077 PJ |
2194 | doc: /* Output stream `print' uses by default for outputting a character. |
2195 | This may be any function of one argument. | |
2196 | It may also be a buffer (output is inserted before point) | |
2197 | or a marker (output is inserted and the marker is advanced) | |
2198 | or the symbol t (output appears in the echo area). */); | |
38010d50 JB |
2199 | Vstandard_output = Qt; |
2200 | Qstandard_output = intern ("standard-output"); | |
2201 | staticpro (&Qstandard_output); | |
2202 | ||
38010d50 | 2203 | DEFVAR_LISP ("float-output-format", &Vfloat_output_format, |
8c1a1077 PJ |
2204 | doc: /* The format descriptor string used to print floats. |
2205 | This is a %-spec like those accepted by `printf' in C, | |
2206 | but with some restrictions. It must start with the two characters `%.'. | |
2207 | After that comes an integer precision specification, | |
2208 | and then a letter which controls the format. | |
2209 | The letters allowed are `e', `f' and `g'. | |
2210 | Use `e' for exponential notation \"DIG.DIGITSeEXPT\" | |
2211 | Use `f' for decimal point notation \"DIGITS.DIGITS\". | |
2212 | Use `g' to choose the shorter of those two formats for the number at hand. | |
2213 | The precision in any of these cases is the number of digits following | |
2214 | the decimal point. With `f', a precision of 0 means to omit the | |
2215 | decimal point. 0 is not allowed with `e' or `g'. | |
2216 | ||
2217 | A value of nil means to use the shortest notation | |
2218 | that represents the number without losing information. */); | |
38010d50 JB |
2219 | Vfloat_output_format = Qnil; |
2220 | Qfloat_output_format = intern ("float-output-format"); | |
2221 | staticpro (&Qfloat_output_format); | |
38010d50 JB |
2222 | |
2223 | DEFVAR_LISP ("print-length", &Vprint_length, | |
8c1a1077 PJ |
2224 | doc: /* Maximum length of list to print before abbreviating. |
2225 | A value of nil means no limit. See also `eval-expression-print-length'. */); | |
38010d50 JB |
2226 | Vprint_length = Qnil; |
2227 | ||
2228 | DEFVAR_LISP ("print-level", &Vprint_level, | |
8c1a1077 PJ |
2229 | doc: /* Maximum depth of list nesting to print before abbreviating. |
2230 | A value of nil means no limit. See also `eval-expression-print-level'. */); | |
38010d50 JB |
2231 | Vprint_level = Qnil; |
2232 | ||
2233 | DEFVAR_BOOL ("print-escape-newlines", &print_escape_newlines, | |
8c1a1077 PJ |
2234 | doc: /* Non-nil means print newlines in strings as `\\n'. |
2235 | Also print formfeeds as `\\f'. */); | |
38010d50 JB |
2236 | print_escape_newlines = 0; |
2237 | ||
38940e93 | 2238 | DEFVAR_BOOL ("print-escape-nonascii", &print_escape_nonascii, |
8c1a1077 PJ |
2239 | doc: /* Non-nil means print unibyte non-ASCII chars in strings as \\OOO. |
2240 | \(OOO is the octal representation of the character code.) | |
249c0f71 RS |
2241 | Only single-byte characters are affected, and only in `prin1'. |
2242 | When the output goes in a multibyte buffer, this feature is | |
2243 | enabled regardless of the value of the variable. */); | |
38940e93 RS |
2244 | print_escape_nonascii = 0; |
2245 | ||
835d0be6 | 2246 | DEFVAR_BOOL ("print-escape-multibyte", &print_escape_multibyte, |
8c1a1077 PJ |
2247 | doc: /* Non-nil means print multibyte characters in strings as \\xXXXX. |
2248 | \(XXXX is the hex representation of the character code.) | |
2249 | This affects only `prin1'. */); | |
835d0be6 RS |
2250 | print_escape_multibyte = 0; |
2251 | ||
2f100b5c | 2252 | DEFVAR_BOOL ("print-quoted", &print_quoted, |
8c1a1077 PJ |
2253 | doc: /* Non-nil means print quoted forms with reader syntax. |
2254 | I.e., (quote foo) prints as 'foo, (function foo) as #'foo, and backquoted | |
2255 | forms print as in the new syntax. */); | |
2f100b5c EN |
2256 | print_quoted = 0; |
2257 | ||
e0f69431 | 2258 | DEFVAR_LISP ("print-gensym", &Vprint_gensym, |
8c1a1077 PJ |
2259 | doc: /* Non-nil means print uninterned symbols so they will read as uninterned. |
2260 | I.e., the value of (make-symbol \"foobar\") prints as #:foobar. | |
2261 | When the uninterned symbol appears within a recursive data structure, | |
2262 | and the symbol appears more than once, in addition use the #N# and #N= | |
2263 | constructs as needed, so that multiple references to the same symbol are | |
2264 | shared once again when the text is read back. */); | |
e0f69431 RS |
2265 | Vprint_gensym = Qnil; |
2266 | ||
0f25ecc6 | 2267 | DEFVAR_LISP ("print-circle", &Vprint_circle, |
8c1a1077 PJ |
2268 | doc: /* *Non-nil means print recursive structures using #N= and #N# syntax. |
2269 | If nil, printing proceeds recursively and may lead to | |
2270 | `max-lisp-eval-depth' being exceeded or an error may occur: | |
2271 | \"Apparently circular structure being printed.\" Also see | |
2272 | `print-length' and `print-level'. | |
2273 | If non-nil, shared substructures anywhere in the structure are printed | |
2274 | with `#N=' before the first occurrence (in the order of the print | |
2275 | representation) and `#N#' in place of each subsequent occurrence, | |
2276 | where N is a positive decimal integer. */); | |
0f25ecc6 RS |
2277 | Vprint_circle = Qnil; |
2278 | ||
2279 | DEFVAR_LISP ("print-continuous-numbering", &Vprint_continuous_numbering, | |
8c1a1077 PJ |
2280 | doc: /* *Non-nil means number continuously across print calls. |
2281 | This affects the numbers printed for #N= labels and #M# references. | |
2282 | See also `print-circle', `print-gensym', and `print-number-table'. | |
2283 | This variable should not be set with `setq'; bind it with a `let' instead. */); | |
0f25ecc6 RS |
2284 | Vprint_continuous_numbering = Qnil; |
2285 | ||
2286 | DEFVAR_LISP ("print-number-table", &Vprint_number_table, | |
8c1a1077 PJ |
2287 | doc: /* A vector used internally to produce `#N=' labels and `#N#' references. |
2288 | The Lisp printer uses this vector to detect Lisp objects referenced more | |
e6d4cddd RS |
2289 | than once. |
2290 | ||
2291 | When you bind `print-continuous-numbering' to t, you should probably | |
2292 | also bind `print-number-table' to nil. This ensures that the value of | |
2293 | `print-number-table' can be garbage-collected once the printing is | |
2294 | done. If all elements of `print-number-table' are nil, it means that | |
2295 | the printing done so far has not found any shared structure or objects | |
2296 | that need to be recorded in the table. */); | |
0f25ecc6 | 2297 | Vprint_number_table = Qnil; |
081e0581 | 2298 | |
38010d50 JB |
2299 | /* prin1_to_string_buffer initialized in init_buffer_once in buffer.c */ |
2300 | staticpro (&Vprin1_to_string_buffer); | |
2301 | ||
2302 | defsubr (&Sprin1); | |
2303 | defsubr (&Sprin1_to_string); | |
113620cc | 2304 | defsubr (&Serror_message_string); |
38010d50 JB |
2305 | defsubr (&Sprinc); |
2306 | defsubr (&Sprint); | |
2307 | defsubr (&Sterpri); | |
2308 | defsubr (&Swrite_char); | |
2309 | defsubr (&Sexternal_debugging_output); | |
95e52d88 | 2310 | #ifdef WITH_REDIRECT_DEBUGGING_OUTPUT |
6a1ff3ba | 2311 | defsubr (&Sredirect_debugging_output); |
95e52d88 | 2312 | #endif |
38010d50 JB |
2313 | |
2314 | Qexternal_debugging_output = intern ("external-debugging-output"); | |
2315 | staticpro (&Qexternal_debugging_output); | |
2316 | ||
2f100b5c EN |
2317 | Qprint_escape_newlines = intern ("print-escape-newlines"); |
2318 | staticpro (&Qprint_escape_newlines); | |
2319 | ||
835d0be6 RS |
2320 | Qprint_escape_multibyte = intern ("print-escape-multibyte"); |
2321 | staticpro (&Qprint_escape_multibyte); | |
2322 | ||
2323 | Qprint_escape_nonascii = intern ("print-escape-nonascii"); | |
2324 | staticpro (&Qprint_escape_nonascii); | |
2325 | ||
38010d50 | 2326 | defsubr (&Swith_output_to_temp_buffer); |
38010d50 | 2327 | } |
ab5796a9 MB |
2328 | |
2329 | /* arch-tag: bc797170-94ae-41de-86e3-75e20f8f7a39 | |
2330 | (do not change this comment) */ |