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, | |
114f9c96 | 4 | 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
38010d50 JB |
5 | |
6 | This file is part of GNU Emacs. | |
7 | ||
9ec0b715 | 8 | GNU Emacs is free software: you can redistribute it and/or modify |
38010d50 | 9 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
10 | the Free Software Foundation, either version 3 of the License, or |
11 | (at your option) any later version. | |
38010d50 JB |
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 | |
9ec0b715 | 19 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
38010d50 JB |
20 | |
21 | ||
18160b98 | 22 | #include <config.h> |
38010d50 | 23 | #include <stdio.h> |
d7306fe6 | 24 | #include <setjmp.h> |
38010d50 | 25 | #include "lisp.h" |
38010d50 | 26 | #include "buffer.h" |
8b4b4467 | 27 | #include "character.h" |
71ea13cb | 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" |
f9467be3 | 36 | #include "blockinput.h" |
f76c8b1e | 37 | #include "termhooks.h" /* For struct terminal. */ |
2a7b7982 | 38 | #include "font.h" |
7651e1f5 | 39 | |
38010d50 JB |
40 | Lisp_Object Vstandard_output, Qstandard_output; |
41 | ||
d9c21094 RS |
42 | Lisp_Object Qtemp_buffer_setup_hook; |
43 | ||
2f100b5c EN |
44 | /* These are used to print like we read. */ |
45 | extern Lisp_Object Qbackquote, Qcomma, Qcomma_at, Qcomma_dot, Qfunction; | |
46 | ||
38010d50 | 47 | Lisp_Object Vfloat_output_format, Qfloat_output_format; |
f356c3fb | 48 | |
f356c3fb PE |
49 | #include <math.h> |
50 | ||
51 | #if STDC_HEADERS | |
52 | #include <float.h> | |
f356c3fb PE |
53 | #endif |
54 | ||
55 | /* Default to values appropriate for IEEE floating point. */ | |
56 | #ifndef FLT_RADIX | |
57 | #define FLT_RADIX 2 | |
58 | #endif | |
59 | #ifndef DBL_MANT_DIG | |
60 | #define DBL_MANT_DIG 53 | |
61 | #endif | |
62 | #ifndef DBL_DIG | |
63 | #define DBL_DIG 15 | |
64 | #endif | |
b0a1044b PE |
65 | #ifndef DBL_MIN |
66 | #define DBL_MIN 2.2250738585072014e-308 | |
67 | #endif | |
68 | ||
69 | #ifdef DBL_MIN_REPLACEMENT | |
70 | #undef DBL_MIN | |
71 | #define DBL_MIN DBL_MIN_REPLACEMENT | |
72 | #endif | |
f356c3fb PE |
73 | |
74 | /* Define DOUBLE_DIGITS_BOUND, an upper bound on the number of decimal digits | |
75 | needed to express a float without losing information. | |
76 | The general-case formula is valid for the usual case, IEEE floating point, | |
77 | but many compilers can't optimize the formula to an integer constant, | |
78 | so make a special case for it. */ | |
79 | #if FLT_RADIX == 2 && DBL_MANT_DIG == 53 | |
80 | #define DOUBLE_DIGITS_BOUND 17 /* IEEE floating point */ | |
81 | #else | |
82 | #define DOUBLE_DIGITS_BOUND ((int) ceil (log10 (pow (FLT_RADIX, DBL_MANT_DIG)))) | |
83 | #endif | |
84 | ||
38010d50 JB |
85 | /* Avoid actual stack overflow in print. */ |
86 | int print_depth; | |
87 | ||
a22dec27 SM |
88 | /* Level of nesting inside outputting backquote in new style. */ |
89 | int new_backquote_output; | |
0330bb60 | 90 | |
ec838c39 RS |
91 | /* Detect most circularities to print finite output. */ |
92 | #define PRINT_CIRCLE 200 | |
93 | Lisp_Object being_printed[PRINT_CIRCLE]; | |
94 | ||
6fec5601 RS |
95 | /* When printing into a buffer, first we put the text in this |
96 | block, then insert it all at once. */ | |
97 | char *print_buffer; | |
98 | ||
99 | /* Size allocated in print_buffer. */ | |
100 | int print_buffer_size; | |
dc2a0b79 | 101 | /* Chars stored in print_buffer. */ |
6fec5601 | 102 | int print_buffer_pos; |
dc2a0b79 RS |
103 | /* Bytes stored in print_buffer. */ |
104 | int print_buffer_pos_byte; | |
6fec5601 | 105 | |
38010d50 JB |
106 | /* Maximum length of list to print in full; noninteger means |
107 | effectively infinity */ | |
108 | ||
109 | Lisp_Object Vprint_length; | |
110 | ||
111 | /* Maximum depth of list to print in full; noninteger means | |
112 | effectively infinity. */ | |
113 | ||
114 | Lisp_Object Vprint_level; | |
115 | ||
116 | /* Nonzero means print newlines in strings as \n. */ | |
117 | ||
118 | int print_escape_newlines; | |
119 | ||
38940e93 RS |
120 | /* Nonzero means to print single-byte non-ascii characters in strings as |
121 | octal escapes. */ | |
122 | ||
123 | int print_escape_nonascii; | |
124 | ||
835d0be6 RS |
125 | /* Nonzero means to print multibyte characters in strings as hex escapes. */ |
126 | ||
127 | int print_escape_multibyte; | |
128 | ||
129 | Lisp_Object Qprint_escape_newlines; | |
130 | Lisp_Object Qprint_escape_multibyte, Qprint_escape_nonascii; | |
131 | ||
2f100b5c EN |
132 | /* Nonzero means print (quote foo) forms as 'foo, etc. */ |
133 | ||
134 | int print_quoted; | |
135 | ||
0f25ecc6 | 136 | /* Non-nil means print #: before uninterned symbols. */ |
081e0581 | 137 | |
e0f69431 | 138 | Lisp_Object Vprint_gensym; |
081e0581 | 139 | |
0f25ecc6 | 140 | /* Non-nil means print recursive structures using #n= and #n# syntax. */ |
081e0581 | 141 | |
0f25ecc6 RS |
142 | Lisp_Object Vprint_circle; |
143 | ||
144 | /* Non-nil means keep continuous number for #n= and #n# syntax | |
145 | between several print functions. */ | |
146 | ||
147 | Lisp_Object Vprint_continuous_numbering; | |
148 | ||
149 | /* Vprint_number_table is a vector like [OBJ1 STAT1 OBJ2 STAT2 ...], | |
150 | where OBJn are objects going to be printed, and STATn are their status, | |
151 | which may be different meanings during process. See the comments of | |
152 | the functions print and print_preprocess for details. | |
153 | print_number_index keeps the last position the next object should be added, | |
154 | twice of which is the actual vector position in Vprint_number_table. */ | |
155 | int print_number_index; | |
156 | Lisp_Object Vprint_number_table; | |
157 | ||
158 | /* PRINT_NUMBER_OBJECT returns the I'th object in Vprint_number_table TABLE. | |
159 | PRINT_NUMBER_STATUS returns the status of the I'th object in TABLE. | |
160 | See the comment of the variable Vprint_number_table. */ | |
161 | #define PRINT_NUMBER_OBJECT(table,i) XVECTOR ((table))->contents[(i) * 2] | |
162 | #define PRINT_NUMBER_STATUS(table,i) XVECTOR ((table))->contents[(i) * 2 + 1] | |
2f100b5c | 163 | |
5259c737 | 164 | /* Nonzero means print newline to stdout before next minibuffer message. |
38010d50 JB |
165 | Defined in xdisp.c */ |
166 | ||
167 | extern int noninteractive_need_newline; | |
5259c737 | 168 | |
aec2b95b RS |
169 | extern int minibuffer_auto_raise; |
170 | ||
7651e1f5 | 171 | void print_interval (); |
38010d50 | 172 | |
945b0111 EZ |
173 | /* GDB resets this to zero on W32 to disable OutputDebugString calls. */ |
174 | int print_output_debug_flag = 1; | |
175 | ||
38010d50 | 176 | \f |
eb8c3be9 | 177 | /* Low level output routines for characters and strings */ |
38010d50 JB |
178 | |
179 | /* Lisp functions to do output using a stream | |
081e0581 EN |
180 | must have the stream in a variable called printcharfun |
181 | and must start with PRINTPREPARE, end with PRINTFINISH, | |
182 | and use PRINTDECLARE to declare common variables. | |
183 | Use PRINTCHAR to output one character, | |
177c0ea7 | 184 | or call strout to output a block of characters. */ |
0788646c GM |
185 | |
186 | #define PRINTDECLARE \ | |
187 | struct buffer *old = current_buffer; \ | |
ee5263af GM |
188 | int old_point = -1, start_point = -1; \ |
189 | int old_point_byte = -1, start_point_byte = -1; \ | |
aed13378 | 190 | int specpdl_count = SPECPDL_INDEX (); \ |
0788646c GM |
191 | int free_print_buffer = 0; \ |
192 | int multibyte = !NILP (current_buffer->enable_multibyte_characters); \ | |
081e0581 EN |
193 | Lisp_Object original |
194 | ||
0788646c GM |
195 | #define PRINTPREPARE \ |
196 | original = printcharfun; \ | |
197 | if (NILP (printcharfun)) printcharfun = Qt; \ | |
198 | if (BUFFERP (printcharfun)) \ | |
199 | { \ | |
200 | if (XBUFFER (printcharfun) != current_buffer) \ | |
201 | Fset_buffer (printcharfun); \ | |
202 | printcharfun = Qnil; \ | |
203 | } \ | |
204 | if (MARKERP (printcharfun)) \ | |
205 | { \ | |
1cf21850 | 206 | EMACS_INT marker_pos; \ |
cd3587c1 | 207 | if (! XMARKER (printcharfun)->buffer) \ |
0788646c | 208 | error ("Marker does not point anywhere"); \ |
1cf21850 LK |
209 | if (XMARKER (printcharfun)->buffer != current_buffer) \ |
210 | set_buffer_internal (XMARKER (printcharfun)->buffer); \ | |
211 | marker_pos = marker_position (printcharfun); \ | |
212 | if (marker_pos < BEGV || marker_pos > ZV) \ | |
213 | error ("Marker is outside the accessible part of the buffer"); \ | |
0788646c GM |
214 | old_point = PT; \ |
215 | old_point_byte = PT_BYTE; \ | |
1cf21850 | 216 | SET_PT_BOTH (marker_pos, \ |
0788646c GM |
217 | marker_byte_position (printcharfun)); \ |
218 | start_point = PT; \ | |
219 | start_point_byte = PT_BYTE; \ | |
220 | printcharfun = Qnil; \ | |
221 | } \ | |
222 | if (NILP (printcharfun)) \ | |
223 | { \ | |
224 | Lisp_Object string; \ | |
225 | if (NILP (current_buffer->enable_multibyte_characters) \ | |
226 | && ! print_escape_multibyte) \ | |
227 | specbind (Qprint_escape_multibyte, Qt); \ | |
d39f07c2 RS |
228 | if (! NILP (current_buffer->enable_multibyte_characters) \ |
229 | && ! print_escape_nonascii) \ | |
230 | specbind (Qprint_escape_nonascii, Qt); \ | |
0788646c GM |
231 | if (print_buffer != 0) \ |
232 | { \ | |
233 | string = make_string_from_bytes (print_buffer, \ | |
234 | print_buffer_pos, \ | |
235 | print_buffer_pos_byte); \ | |
236 | record_unwind_protect (print_unwind, string); \ | |
237 | } \ | |
238 | else \ | |
239 | { \ | |
240 | print_buffer_size = 1000; \ | |
241 | print_buffer = (char *) xmalloc (print_buffer_size); \ | |
242 | free_print_buffer = 1; \ | |
243 | } \ | |
244 | print_buffer_pos = 0; \ | |
245 | print_buffer_pos_byte = 0; \ | |
246 | } \ | |
5494b50f | 247 | if (EQ (printcharfun, Qt) && ! noninteractive) \ |
0f25ecc6 | 248 | setup_echo_area_for_printing (multibyte); |
38010d50 | 249 | |
8a2ab0c6 RS |
250 | #define PRINTFINISH \ |
251 | if (NILP (printcharfun)) \ | |
252 | { \ | |
253 | if (print_buffer_pos != print_buffer_pos_byte \ | |
254 | && NILP (current_buffer->enable_multibyte_characters)) \ | |
255 | { \ | |
256 | unsigned char *temp \ | |
257 | = (unsigned char *) alloca (print_buffer_pos + 1); \ | |
258 | copy_text (print_buffer, temp, print_buffer_pos_byte, \ | |
259 | 1, 0); \ | |
260 | insert_1_both (temp, print_buffer_pos, \ | |
261 | print_buffer_pos, 0, 1, 0); \ | |
262 | } \ | |
263 | else \ | |
264 | insert_1_both (print_buffer, print_buffer_pos, \ | |
265 | print_buffer_pos_byte, 0, 1, 0); \ | |
570fab6c | 266 | signal_after_change (PT - print_buffer_pos, 0, print_buffer_pos);\ |
8a2ab0c6 RS |
267 | } \ |
268 | if (free_print_buffer) \ | |
269 | { \ | |
270 | xfree (print_buffer); \ | |
271 | print_buffer = 0; \ | |
272 | } \ | |
273 | unbind_to (specpdl_count, Qnil); \ | |
274 | if (MARKERP (original)) \ | |
275 | set_marker_both (original, Qnil, PT, PT_BYTE); \ | |
276 | if (old_point >= 0) \ | |
277 | SET_PT_BOTH (old_point + (old_point >= start_point \ | |
278 | ? PT - start_point : 0), \ | |
6ddd6eee | 279 | old_point_byte + (old_point_byte >= start_point_byte \ |
cd3587c1 | 280 | ? PT_BYTE - start_point_byte : 0)); \ |
8a2ab0c6 | 281 | if (old != current_buffer) \ |
0f25ecc6 | 282 | set_buffer_internal (old); |
38010d50 JB |
283 | |
284 | #define PRINTCHAR(ch) printchar (ch, printcharfun) | |
285 | ||
08e8d297 RS |
286 | /* This is used to restore the saved contents of print_buffer |
287 | when there is a recursive call to print. */ | |
0788646c | 288 | |
08e8d297 RS |
289 | static Lisp_Object |
290 | print_unwind (saved_text) | |
291 | Lisp_Object saved_text; | |
292 | { | |
d5db4077 | 293 | bcopy (SDATA (saved_text), print_buffer, SCHARS (saved_text)); |
ee5263af | 294 | return Qnil; |
08e8d297 RS |
295 | } |
296 | ||
0788646c GM |
297 | |
298 | /* Print character CH using method FUN. FUN nil means print to | |
299 | print_buffer. FUN t means print to echo area or stdout if | |
300 | non-interactive. If FUN is neither nil nor t, call FUN with CH as | |
301 | argument. */ | |
38010d50 JB |
302 | |
303 | static void | |
304 | printchar (ch, fun) | |
087e3c46 | 305 | unsigned int ch; |
38010d50 JB |
306 | Lisp_Object fun; |
307 | { | |
0788646c GM |
308 | if (!NILP (fun) && !EQ (fun, Qt)) |
309 | call1 (fun, make_number (ch)); | |
310 | else | |
38010d50 | 311 | { |
19a86a03 KH |
312 | unsigned char str[MAX_MULTIBYTE_LENGTH]; |
313 | int len = CHAR_STRING (ch, str); | |
314 | ||
09eddb56 | 315 | QUIT; |
177c0ea7 | 316 | |
0788646c | 317 | if (NILP (fun)) |
9a4d01d8 | 318 | { |
0788646c GM |
319 | if (print_buffer_pos_byte + len >= print_buffer_size) |
320 | print_buffer = (char *) xrealloc (print_buffer, | |
321 | print_buffer_size *= 2); | |
322 | bcopy (str, print_buffer + print_buffer_pos_byte, len); | |
323 | print_buffer_pos += 1; | |
324 | print_buffer_pos_byte += len; | |
9a4d01d8 | 325 | } |
0788646c | 326 | else if (noninteractive) |
1134b854 | 327 | { |
0788646c GM |
328 | fwrite (str, 1, len, stdout); |
329 | noninteractive_need_newline = 1; | |
1134b854 | 330 | } |
0788646c | 331 | else |
d366d2e4 | 332 | { |
0788646c GM |
333 | int multibyte_p |
334 | = !NILP (current_buffer->enable_multibyte_characters); | |
177c0ea7 | 335 | |
eb7b678b | 336 | setup_echo_area_for_printing (multibyte_p); |
0788646c GM |
337 | insert_char (ch); |
338 | message_dolog (str, len, 0, multibyte_p); | |
d366d2e4 | 339 | } |
38010d50 | 340 | } |
38010d50 JB |
341 | } |
342 | ||
0788646c GM |
343 | |
344 | /* Output SIZE characters, SIZE_BYTE bytes from string PTR using | |
345 | method PRINTCHARFUN. If SIZE < 0, use the string length of PTR for | |
346 | both SIZE and SIZE_BYTE. PRINTCHARFUN nil means output to | |
347 | print_buffer. PRINTCHARFUN t means output to the echo area or to | |
348 | stdout if non-interactive. If neither nil nor t, call Lisp | |
349 | function PRINTCHARFUN for each character printed. MULTIBYTE | |
efb15f96 RS |
350 | non-zero means PTR contains multibyte characters. |
351 | ||
352 | In the case where PRINTCHARFUN is nil, it is safe for PTR to point | |
353 | to data in a Lisp string. Otherwise that is not safe. */ | |
0788646c | 354 | |
38010d50 | 355 | static void |
dc2a0b79 | 356 | strout (ptr, size, size_byte, printcharfun, multibyte) |
38010d50 | 357 | char *ptr; |
dc2a0b79 | 358 | int size, size_byte; |
38010d50 | 359 | Lisp_Object printcharfun; |
dc2a0b79 | 360 | int multibyte; |
38010d50 | 361 | { |
087e3c46 | 362 | if (size < 0) |
dc2a0b79 | 363 | size_byte = size = strlen (ptr); |
087e3c46 | 364 | |
0788646c | 365 | if (NILP (printcharfun)) |
38010d50 | 366 | { |
dc2a0b79 | 367 | if (print_buffer_pos_byte + size_byte > print_buffer_size) |
6fec5601 | 368 | { |
dc2a0b79 | 369 | print_buffer_size = print_buffer_size * 2 + size_byte; |
6fec5601 RS |
370 | print_buffer = (char *) xrealloc (print_buffer, |
371 | print_buffer_size); | |
372 | } | |
dc2a0b79 | 373 | bcopy (ptr, print_buffer + print_buffer_pos_byte, size_byte); |
6fec5601 | 374 | print_buffer_pos += size; |
dc2a0b79 | 375 | print_buffer_pos_byte += size_byte; |
38010d50 | 376 | } |
7b0cb8a0 | 377 | else if (noninteractive && EQ (printcharfun, Qt)) |
38010d50 | 378 | { |
0788646c GM |
379 | fwrite (ptr, 1, size_byte, stdout); |
380 | noninteractive_need_newline = 1; | |
381 | } | |
382 | else if (EQ (printcharfun, Qt)) | |
383 | { | |
384 | /* Output to echo area. We're trying to avoid a little overhead | |
385 | here, that's the reason we don't call printchar to do the | |
386 | job. */ | |
387 | int i; | |
388 | int multibyte_p | |
389 | = !NILP (current_buffer->enable_multibyte_characters); | |
177c0ea7 | 390 | |
eb7b678b | 391 | setup_echo_area_for_printing (multibyte_p); |
0788646c | 392 | message_dolog (ptr, size_byte, 0, multibyte_p); |
177c0ea7 | 393 | |
0788646c | 394 | if (size == size_byte) |
38010d50 | 395 | { |
0788646c | 396 | for (i = 0; i < size; ++i) |
bcdbfd36 | 397 | insert_char ((unsigned char) *ptr++); |
38010d50 | 398 | } |
0788646c | 399 | else |
38010d50 | 400 | { |
0788646c GM |
401 | int len; |
402 | for (i = 0; i < size_byte; i += len) | |
aec2b95b | 403 | { |
62a6e103 | 404 | int ch = STRING_CHAR_AND_LENGTH (ptr + i, len); |
0788646c | 405 | insert_char (ch); |
aec2b95b | 406 | } |
38010d50 | 407 | } |
0788646c GM |
408 | } |
409 | else | |
410 | { | |
411 | /* PRINTCHARFUN is a Lisp function. */ | |
412 | int i = 0; | |
38010d50 | 413 | |
0788646c | 414 | if (size == size_byte) |
4ad8bb20 | 415 | { |
0788646c | 416 | while (i < size_byte) |
4ad8bb20 | 417 | { |
0788646c GM |
418 | int ch = ptr[i++]; |
419 | PRINTCHAR (ch); | |
4ad8bb20 | 420 | } |
4ad8bb20 | 421 | } |
0788646c | 422 | else |
087e3c46 | 423 | { |
0788646c GM |
424 | while (i < size_byte) |
425 | { | |
426 | /* Here, we must convert each multi-byte form to the | |
427 | corresponding character code before handing it to | |
428 | PRINTCHAR. */ | |
429 | int len; | |
62a6e103 | 430 | int ch = STRING_CHAR_AND_LENGTH (ptr + i, len); |
0788646c GM |
431 | PRINTCHAR (ch); |
432 | i += len; | |
433 | } | |
087e3c46 | 434 | } |
38010d50 | 435 | } |
38010d50 JB |
436 | } |
437 | ||
438 | /* Print the contents of a string STRING using PRINTCHARFUN. | |
ed2c35ef RS |
439 | It isn't safe to use strout in many cases, |
440 | because printing one char can relocate. */ | |
38010d50 | 441 | |
dc2a0b79 | 442 | static void |
38010d50 JB |
443 | print_string (string, printcharfun) |
444 | Lisp_Object string; | |
445 | Lisp_Object printcharfun; | |
446 | { | |
6fec5601 | 447 | if (EQ (printcharfun, Qt) || NILP (printcharfun)) |
375fcc09 KH |
448 | { |
449 | int chars; | |
450 | ||
8b4b4467 KH |
451 | if (print_escape_nonascii) |
452 | string = string_escape_byte8 (string); | |
453 | ||
375fcc09 | 454 | if (STRING_MULTIBYTE (string)) |
d5db4077 | 455 | chars = SCHARS (string); |
8b4b4467 KH |
456 | else if (! print_escape_nonascii |
457 | && (EQ (printcharfun, Qt) | |
458 | ? ! NILP (buffer_defaults.enable_multibyte_characters) | |
459 | : ! NILP (current_buffer->enable_multibyte_characters))) | |
a76ef35d KH |
460 | { |
461 | /* If unibyte string STRING contains 8-bit codes, we must | |
462 | convert STRING to a multibyte string containing the same | |
463 | character codes. */ | |
464 | Lisp_Object newstr; | |
465 | int bytes; | |
466 | ||
d5db4077 KR |
467 | chars = SBYTES (string); |
468 | bytes = parse_str_to_multibyte (SDATA (string), chars); | |
a76ef35d KH |
469 | if (chars < bytes) |
470 | { | |
471 | newstr = make_uninit_multibyte_string (chars, bytes); | |
d5db4077 KR |
472 | bcopy (SDATA (string), SDATA (newstr), chars); |
473 | str_to_multibyte (SDATA (newstr), bytes, chars); | |
a76ef35d KH |
474 | string = newstr; |
475 | } | |
476 | } | |
375fcc09 | 477 | else |
d5db4077 | 478 | chars = SBYTES (string); |
375fcc09 | 479 | |
efb15f96 RS |
480 | if (EQ (printcharfun, Qt)) |
481 | { | |
482 | /* Output to echo area. */ | |
483 | int nbytes = SBYTES (string); | |
484 | char *buffer; | |
485 | ||
486 | /* Copy the string contents so that relocation of STRING by | |
487 | GC does not cause trouble. */ | |
488 | USE_SAFE_ALLOCA; | |
489 | ||
490 | SAFE_ALLOCA (buffer, char *, nbytes); | |
491 | bcopy (SDATA (string), buffer, nbytes); | |
492 | ||
493 | strout (buffer, chars, SBYTES (string), | |
494 | printcharfun, STRING_MULTIBYTE (string)); | |
495 | ||
496 | SAFE_FREE (); | |
497 | } | |
498 | else | |
499 | /* No need to copy, since output to print_buffer can't GC. */ | |
500 | strout (SDATA (string), | |
501 | chars, SBYTES (string), | |
502 | printcharfun, STRING_MULTIBYTE (string)); | |
375fcc09 | 503 | } |
38010d50 JB |
504 | else |
505 | { | |
dc2a0b79 RS |
506 | /* Otherwise, string may be relocated by printing one char. |
507 | So re-fetch the string address for each character. */ | |
38010d50 | 508 | int i; |
d5db4077 KR |
509 | int size = SCHARS (string); |
510 | int size_byte = SBYTES (string); | |
38010d50 JB |
511 | struct gcpro gcpro1; |
512 | GCPRO1 (string); | |
dc2a0b79 RS |
513 | if (size == size_byte) |
514 | for (i = 0; i < size; i++) | |
d5db4077 | 515 | PRINTCHAR (SREF (string, i)); |
dc2a0b79 | 516 | else |
6b61353c | 517 | for (i = 0; i < size_byte; ) |
dc2a0b79 RS |
518 | { |
519 | /* Here, we must convert each multi-byte form to the | |
520 | corresponding character code before handing it to PRINTCHAR. */ | |
521 | int len; | |
62a6e103 | 522 | int ch = STRING_CHAR_AND_LENGTH (SDATA (string) + i, len); |
dc2a0b79 RS |
523 | PRINTCHAR (ch); |
524 | i += len; | |
525 | } | |
38010d50 JB |
526 | UNGCPRO; |
527 | } | |
528 | } | |
529 | \f | |
530 | DEFUN ("write-char", Fwrite_char, Swrite_char, 1, 2, 0, | |
8c1a1077 PJ |
531 | doc: /* Output character CHARACTER to stream PRINTCHARFUN. |
532 | PRINTCHARFUN defaults to the value of `standard-output' (which see). */) | |
533 | (character, printcharfun) | |
3738a371 | 534 | Lisp_Object character, printcharfun; |
38010d50 | 535 | { |
081e0581 | 536 | PRINTDECLARE; |
38010d50 | 537 | |
10eebdbb | 538 | if (NILP (printcharfun)) |
38010d50 | 539 | printcharfun = Vstandard_output; |
b7826503 | 540 | CHECK_NUMBER (character); |
38010d50 | 541 | PRINTPREPARE; |
3738a371 | 542 | PRINTCHAR (XINT (character)); |
38010d50 | 543 | PRINTFINISH; |
3738a371 | 544 | return character; |
38010d50 JB |
545 | } |
546 | ||
dc2a0b79 RS |
547 | /* Used from outside of print.c to print a block of SIZE |
548 | single-byte chars at DATA on the default output stream. | |
38010d50 JB |
549 | Do not use this on the contents of a Lisp string. */ |
550 | ||
dc22f25e | 551 | void |
38010d50 JB |
552 | write_string (data, size) |
553 | char *data; | |
554 | int size; | |
555 | { | |
081e0581 | 556 | PRINTDECLARE; |
38010d50 | 557 | Lisp_Object printcharfun; |
38010d50 JB |
558 | |
559 | printcharfun = Vstandard_output; | |
560 | ||
561 | PRINTPREPARE; | |
dc2a0b79 | 562 | strout (data, size, size, printcharfun, 0); |
38010d50 JB |
563 | PRINTFINISH; |
564 | } | |
565 | ||
dc2a0b79 RS |
566 | /* Used from outside of print.c to print a block of SIZE |
567 | single-byte chars at DATA on a specified stream PRINTCHARFUN. | |
38010d50 JB |
568 | Do not use this on the contents of a Lisp string. */ |
569 | ||
dc22f25e | 570 | void |
38010d50 JB |
571 | write_string_1 (data, size, printcharfun) |
572 | char *data; | |
573 | int size; | |
574 | Lisp_Object printcharfun; | |
575 | { | |
081e0581 | 576 | PRINTDECLARE; |
38010d50 JB |
577 | |
578 | PRINTPREPARE; | |
dc2a0b79 | 579 | strout (data, size, size, printcharfun, 0); |
38010d50 JB |
580 | PRINTFINISH; |
581 | } | |
582 | ||
583 | ||
38010d50 JB |
584 | void |
585 | temp_output_buffer_setup (bufname) | |
3f7e390a | 586 | const char *bufname; |
38010d50 | 587 | { |
aed13378 | 588 | int count = SPECPDL_INDEX (); |
38010d50 JB |
589 | register struct buffer *old = current_buffer; |
590 | register Lisp_Object buf; | |
591 | ||
d9c21094 RS |
592 | record_unwind_protect (set_buffer_if_live, Fcurrent_buffer ()); |
593 | ||
38010d50 JB |
594 | Fset_buffer (Fget_buffer_create (build_string (bufname))); |
595 | ||
9756ea0f | 596 | Fkill_all_local_variables (); |
fd531951 | 597 | delete_all_overlays (current_buffer); |
2a1c968a | 598 | current_buffer->directory = old->directory; |
38010d50 | 599 | current_buffer->read_only = Qnil; |
c5c6d57c KH |
600 | current_buffer->filename = Qnil; |
601 | current_buffer->undo_list = Qt; | |
b3f6010e SM |
602 | eassert (current_buffer->overlays_before == NULL); |
603 | eassert (current_buffer->overlays_after == NULL); | |
c5c6d57c KH |
604 | current_buffer->enable_multibyte_characters |
605 | = buffer_defaults.enable_multibyte_characters; | |
d28eab19 KH |
606 | specbind (Qinhibit_read_only, Qt); |
607 | specbind (Qinhibit_modification_hooks, Qt); | |
38010d50 | 608 | Ferase_buffer (); |
633307b5 | 609 | XSETBUFFER (buf, current_buffer); |
38010d50 | 610 | |
98040cf1 | 611 | Frun_hooks (1, &Qtemp_buffer_setup_hook); |
d9c21094 RS |
612 | |
613 | unbind_to (count, Qnil); | |
614 | ||
615 | specbind (Qstandard_output, buf); | |
38010d50 JB |
616 | } |
617 | ||
618 | Lisp_Object | |
619 | internal_with_output_to_temp_buffer (bufname, function, args) | |
3f7e390a | 620 | const char *bufname; |
dfcf069d | 621 | Lisp_Object (*function) P_ ((Lisp_Object)); |
38010d50 JB |
622 | Lisp_Object args; |
623 | { | |
aed13378 | 624 | int count = SPECPDL_INDEX (); |
38010d50 | 625 | Lisp_Object buf, val; |
0ab39c81 | 626 | struct gcpro gcpro1; |
38010d50 | 627 | |
0ab39c81 | 628 | GCPRO1 (args); |
38010d50 JB |
629 | record_unwind_protect (Fset_buffer, Fcurrent_buffer ()); |
630 | temp_output_buffer_setup (bufname); | |
631 | buf = Vstandard_output; | |
0ab39c81 | 632 | UNGCPRO; |
38010d50 JB |
633 | |
634 | val = (*function) (args); | |
635 | ||
0ab39c81 | 636 | GCPRO1 (val); |
38010d50 | 637 | temp_output_buffer_show (buf); |
0ab39c81 | 638 | UNGCPRO; |
38010d50 JB |
639 | |
640 | return unbind_to (count, val); | |
641 | } | |
642 | ||
ab9ffd19 MB |
643 | DEFUN ("with-output-to-temp-buffer", |
644 | Fwith_output_to_temp_buffer, Swith_output_to_temp_buffer, | |
38010d50 | 645 | 1, UNEVALLED, 0, |
8c1a1077 | 646 | doc: /* Bind `standard-output' to buffer BUFNAME, eval BODY, then show that buffer. |
80281b01 RS |
647 | |
648 | This construct makes buffer BUFNAME empty before running BODY. | |
649 | It does not make the buffer current for BODY. | |
650 | Instead it binds `standard-output' to that buffer, so that output | |
651 | generated with `prin1' and similar functions in BODY goes into | |
652 | the buffer. | |
653 | ||
654 | At the end of BODY, this marks buffer BUFNAME unmodifed and displays | |
655 | it in a window, but does not select it. The normal way to do this is | |
656 | by calling `display-buffer', then running `temp-buffer-show-hook'. | |
657 | However, if `temp-buffer-show-function' is non-nil, it calls that | |
658 | function instead (and does not run `temp-buffer-show-hook'). The | |
659 | function gets one argument, the buffer to display. | |
660 | ||
661 | The return value of `with-output-to-temp-buffer' is the value of the | |
662 | last form in BODY. If BODY does not finish normally, the buffer | |
663 | BUFNAME is not displayed. | |
664 | ||
665 | This runs the hook `temp-buffer-setup-hook' before BODY, | |
666 | with the buffer BUFNAME temporarily current. It runs the hook | |
667 | `temp-buffer-show-hook' after displaying buffer BUFNAME, with that | |
668 | buffer temporarily current, and the window that was used to display it | |
669 | temporarily selected. But it doesn't run `temp-buffer-show-hook' | |
670 | if it uses `temp-buffer-show-function'. | |
ab9ffd19 | 671 | |
f0005db5 | 672 | usage: (with-output-to-temp-buffer BUFNAME BODY...) */) |
8c1a1077 | 673 | (args) |
38010d50 JB |
674 | Lisp_Object args; |
675 | { | |
676 | struct gcpro gcpro1; | |
677 | Lisp_Object name; | |
aed13378 | 678 | int count = SPECPDL_INDEX (); |
38010d50 JB |
679 | Lisp_Object buf, val; |
680 | ||
681 | GCPRO1(args); | |
682 | name = Feval (Fcar (args)); | |
b7826503 | 683 | CHECK_STRING (name); |
d5db4077 | 684 | temp_output_buffer_setup (SDATA (name)); |
38010d50 | 685 | buf = Vstandard_output; |
8bbfc258 | 686 | UNGCPRO; |
38010d50 | 687 | |
8bbfc258 | 688 | val = Fprogn (XCDR (args)); |
38010d50 | 689 | |
8bbfc258 | 690 | GCPRO1 (val); |
38010d50 | 691 | temp_output_buffer_show (buf); |
8bbfc258 | 692 | UNGCPRO; |
38010d50 JB |
693 | |
694 | return unbind_to (count, val); | |
695 | } | |
0788646c | 696 | |
38010d50 JB |
697 | \f |
698 | static void print (); | |
0f25ecc6 | 699 | static void print_preprocess (); |
0f25ecc6 | 700 | static void print_preprocess_string (); |
0f25ecc6 | 701 | static void print_object (); |
38010d50 JB |
702 | |
703 | DEFUN ("terpri", Fterpri, Sterpri, 0, 1, 0, | |
8c1a1077 PJ |
704 | doc: /* Output a newline to stream PRINTCHARFUN. |
705 | If PRINTCHARFUN is omitted or nil, the value of `standard-output' is used. */) | |
38010d50 JB |
706 | (printcharfun) |
707 | Lisp_Object printcharfun; | |
708 | { | |
081e0581 | 709 | PRINTDECLARE; |
38010d50 | 710 | |
10eebdbb | 711 | if (NILP (printcharfun)) |
38010d50 JB |
712 | printcharfun = Vstandard_output; |
713 | PRINTPREPARE; | |
714 | PRINTCHAR ('\n'); | |
715 | PRINTFINISH; | |
716 | return Qt; | |
717 | } | |
718 | ||
719 | DEFUN ("prin1", Fprin1, Sprin1, 1, 2, 0, | |
8c1a1077 PJ |
720 | doc: /* Output the printed representation of OBJECT, any Lisp object. |
721 | Quoting characters are printed when needed to make output that `read' | |
9474c847 | 722 | can handle, whenever this is possible. For complex objects, the behavior |
7fab9223 | 723 | is controlled by `print-level' and `print-length', which see. |
8c1a1077 PJ |
724 | |
725 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
726 | a list, a buffer, a window, a frame, etc. | |
727 | ||
728 | A printed representation of an object is text which describes that object. | |
729 | ||
730 | Optional argument PRINTCHARFUN is the output stream, which can be one | |
731 | of these: | |
732 | ||
733 | - a buffer, in which case output is inserted into that buffer at point; | |
734 | - a marker, in which case output is inserted at marker's position; | |
735 | - a function, in which case that function is called once for each | |
736 | character of OBJECT's printed representation; | |
737 | - a symbol, in which case that symbol's function definition is called; or | |
738 | - t, in which case the output is displayed in the echo area. | |
739 | ||
740 | If PRINTCHARFUN is omitted, the value of `standard-output' (which see) | |
741 | is used instead. */) | |
742 | (object, printcharfun) | |
3738a371 | 743 | Lisp_Object object, printcharfun; |
38010d50 | 744 | { |
081e0581 | 745 | PRINTDECLARE; |
38010d50 | 746 | |
10eebdbb | 747 | if (NILP (printcharfun)) |
38010d50 JB |
748 | printcharfun = Vstandard_output; |
749 | PRINTPREPARE; | |
3738a371 | 750 | print (object, printcharfun, 1); |
38010d50 | 751 | PRINTFINISH; |
3738a371 | 752 | return object; |
38010d50 JB |
753 | } |
754 | ||
755 | /* a buffer which is used to hold output being built by prin1-to-string */ | |
756 | Lisp_Object Vprin1_to_string_buffer; | |
757 | ||
758 | DEFUN ("prin1-to-string", Fprin1_to_string, Sprin1_to_string, 1, 2, 0, | |
fd4d156b RS |
759 | doc: /* Return a string containing the printed representation of OBJECT. |
760 | OBJECT can be any Lisp object. This function outputs quoting characters | |
cf393f9b | 761 | when necessary to make output that `read' can handle, whenever possible, |
a2612656 EZ |
762 | unless the optional second argument NOESCAPE is non-nil. For complex objects, |
763 | the behavior is controlled by `print-level' and `print-length', which see. | |
8c1a1077 PJ |
764 | |
765 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
766 | a list, a buffer, a window, a frame, etc. | |
767 | ||
768 | A printed representation of an object is text which describes that object. */) | |
769 | (object, noescape) | |
3738a371 | 770 | Lisp_Object object, noescape; |
38010d50 | 771 | { |
081e0581 | 772 | Lisp_Object printcharfun; |
ca2de342 RS |
773 | /* struct gcpro gcpro1, gcpro2; */ |
774 | Lisp_Object save_deactivate_mark; | |
1a7de17e | 775 | int count = SPECPDL_INDEX (); |
6b61353c | 776 | struct buffer *previous; |
ca2de342 RS |
777 | |
778 | specbind (Qinhibit_modification_hooks, Qt); | |
2a42e8f6 | 779 | |
6b61353c KH |
780 | { |
781 | PRINTDECLARE; | |
782 | ||
783 | /* Save and restore this--we are altering a buffer | |
784 | but we don't want to deactivate the mark just for that. | |
785 | No need for specbind, since errors deactivate the mark. */ | |
786 | save_deactivate_mark = Vdeactivate_mark; | |
787 | /* GCPRO2 (object, save_deactivate_mark); */ | |
788 | abort_on_gc++; | |
789 | ||
790 | printcharfun = Vprin1_to_string_buffer; | |
791 | PRINTPREPARE; | |
792 | print (object, printcharfun, NILP (noescape)); | |
793 | /* Make Vprin1_to_string_buffer be the default buffer after PRINTFINSH */ | |
794 | PRINTFINISH; | |
795 | } | |
38010d50 | 796 | |
6b61353c | 797 | previous = current_buffer; |
38010d50 | 798 | set_buffer_internal (XBUFFER (Vprin1_to_string_buffer)); |
3738a371 | 799 | object = Fbuffer_string (); |
b51ee131 SM |
800 | if (SBYTES (object) == SCHARS (object)) |
801 | STRING_SET_UNIBYTE (object); | |
38010d50 | 802 | |
28b8f740 | 803 | /* Note that this won't make prepare_to_modify_buffer call |
6b61353c KH |
804 | ask-user-about-supersession-threat because this buffer |
805 | does not visit a file. */ | |
38010d50 | 806 | Ferase_buffer (); |
6b61353c | 807 | set_buffer_internal (previous); |
2a42e8f6 | 808 | |
ca2de342 RS |
809 | Vdeactivate_mark = save_deactivate_mark; |
810 | /* UNGCPRO; */ | |
38010d50 | 811 | |
ca2de342 RS |
812 | abort_on_gc--; |
813 | return unbind_to (count, object); | |
38010d50 JB |
814 | } |
815 | ||
816 | DEFUN ("princ", Fprinc, Sprinc, 1, 2, 0, | |
8c1a1077 PJ |
817 | doc: /* Output the printed representation of OBJECT, any Lisp object. |
818 | No quoting characters are used; no delimiters are printed around | |
819 | the contents of strings. | |
820 | ||
821 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
822 | a list, a buffer, a window, a frame, etc. | |
823 | ||
824 | A printed representation of an object is text which describes that object. | |
825 | ||
826 | Optional argument PRINTCHARFUN is the output stream, which can be one | |
827 | of these: | |
828 | ||
829 | - a buffer, in which case output is inserted into that buffer at point; | |
830 | - a marker, in which case output is inserted at marker's position; | |
831 | - a function, in which case that function is called once for each | |
832 | character of OBJECT's printed representation; | |
833 | - a symbol, in which case that symbol's function definition is called; or | |
834 | - t, in which case the output is displayed in the echo area. | |
835 | ||
836 | If PRINTCHARFUN is omitted, the value of `standard-output' (which see) | |
837 | is used instead. */) | |
838 | (object, printcharfun) | |
3738a371 | 839 | Lisp_Object object, printcharfun; |
38010d50 | 840 | { |
081e0581 | 841 | PRINTDECLARE; |
38010d50 | 842 | |
10eebdbb | 843 | if (NILP (printcharfun)) |
38010d50 JB |
844 | printcharfun = Vstandard_output; |
845 | PRINTPREPARE; | |
3738a371 | 846 | print (object, printcharfun, 0); |
38010d50 | 847 | PRINTFINISH; |
3738a371 | 848 | return object; |
38010d50 JB |
849 | } |
850 | ||
851 | DEFUN ("print", Fprint, Sprint, 1, 2, 0, | |
8c1a1077 PJ |
852 | doc: /* Output the printed representation of OBJECT, with newlines around it. |
853 | Quoting characters are printed when needed to make output that `read' | |
9474c847 | 854 | can handle, whenever this is possible. For complex objects, the behavior |
7fab9223 | 855 | is controlled by `print-level' and `print-length', which see. |
8c1a1077 PJ |
856 | |
857 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
858 | a list, a buffer, a window, a frame, etc. | |
859 | ||
860 | A printed representation of an object is text which describes that object. | |
861 | ||
862 | Optional argument PRINTCHARFUN is the output stream, which can be one | |
863 | of these: | |
864 | ||
865 | - a buffer, in which case output is inserted into that buffer at point; | |
866 | - a marker, in which case output is inserted at marker's position; | |
867 | - a function, in which case that function is called once for each | |
868 | character of OBJECT's printed representation; | |
869 | - a symbol, in which case that symbol's function definition is called; or | |
870 | - t, in which case the output is displayed in the echo area. | |
871 | ||
872 | If PRINTCHARFUN is omitted, the value of `standard-output' (which see) | |
873 | is used instead. */) | |
874 | (object, printcharfun) | |
3738a371 | 875 | Lisp_Object object, printcharfun; |
38010d50 | 876 | { |
081e0581 | 877 | PRINTDECLARE; |
38010d50 JB |
878 | struct gcpro gcpro1; |
879 | ||
10eebdbb | 880 | if (NILP (printcharfun)) |
38010d50 | 881 | printcharfun = Vstandard_output; |
3738a371 | 882 | GCPRO1 (object); |
38010d50 | 883 | PRINTPREPARE; |
38010d50 | 884 | PRINTCHAR ('\n'); |
3738a371 | 885 | print (object, printcharfun, 1); |
38010d50 JB |
886 | PRINTCHAR ('\n'); |
887 | PRINTFINISH; | |
38010d50 | 888 | UNGCPRO; |
3738a371 | 889 | return object; |
38010d50 JB |
890 | } |
891 | ||
892 | /* The subroutine object for external-debugging-output is kept here | |
893 | for the convenience of the debugger. */ | |
894 | Lisp_Object Qexternal_debugging_output; | |
895 | ||
4746118a | 896 | DEFUN ("external-debugging-output", Fexternal_debugging_output, Sexternal_debugging_output, 1, 1, 0, |
8c1a1077 PJ |
897 | doc: /* Write CHARACTER to stderr. |
898 | You can call print while debugging emacs, and pass it this function | |
899 | to make it write to the debugging output. */) | |
900 | (character) | |
4746118a | 901 | Lisp_Object character; |
38010d50 | 902 | { |
b7826503 | 903 | CHECK_NUMBER (character); |
38010d50 | 904 | putc (XINT (character), stderr); |
cd22039d RS |
905 | |
906 | #ifdef WINDOWSNT | |
907 | /* Send the output to a debugger (nothing happens if there isn't one). */ | |
945b0111 EZ |
908 | if (print_output_debug_flag) |
909 | { | |
910 | char buf[2] = {(char) XINT (character), '\0'}; | |
911 | OutputDebugString (buf); | |
912 | } | |
cd22039d RS |
913 | #endif |
914 | ||
38010d50 JB |
915 | return character; |
916 | } | |
cf1bb91b | 917 | |
c33f8948 RS |
918 | /* This function is never called. Its purpose is to prevent |
919 | print_output_debug_flag from being optimized away. */ | |
920 | ||
dae581bf | 921 | void |
c33f8948 RS |
922 | debug_output_compilation_hack (x) |
923 | int x; | |
924 | { | |
925 | print_output_debug_flag = x; | |
926 | } | |
6b61353c | 927 | |
cd3587c1 | 928 | #if defined (GNU_LINUX) |
6b61353c KH |
929 | |
930 | /* This functionality is not vitally important in general, so we rely on | |
931 | non-portable ability to use stderr as lvalue. */ | |
932 | ||
933 | #define WITH_REDIRECT_DEBUGGING_OUTPUT 1 | |
934 | ||
935 | FILE *initial_stderr_stream = NULL; | |
936 | ||
937 | DEFUN ("redirect-debugging-output", Fredirect_debugging_output, Sredirect_debugging_output, | |
938 | 1, 2, | |
939 | "FDebug output file: \nP", | |
940 | doc: /* Redirect debugging output (stderr stream) to file FILE. | |
941 | If FILE is nil, reset target to the initial stderr stream. | |
942 | Optional arg APPEND non-nil (interactively, with prefix arg) means | |
28b8f740 | 943 | append to existing target file. */) |
6b61353c KH |
944 | (file, append) |
945 | Lisp_Object file, append; | |
946 | { | |
947 | if (initial_stderr_stream != NULL) | |
f9467be3 YM |
948 | { |
949 | BLOCK_INPUT; | |
950 | fclose (stderr); | |
951 | UNBLOCK_INPUT; | |
952 | } | |
6b61353c KH |
953 | stderr = initial_stderr_stream; |
954 | initial_stderr_stream = NULL; | |
955 | ||
956 | if (STRINGP (file)) | |
957 | { | |
958 | file = Fexpand_file_name (file, Qnil); | |
959 | initial_stderr_stream = stderr; | |
cd3587c1 | 960 | stderr = fopen (SDATA (file), NILP (append) ? "w" : "a"); |
6b61353c KH |
961 | if (stderr == NULL) |
962 | { | |
963 | stderr = initial_stderr_stream; | |
964 | initial_stderr_stream = NULL; | |
965 | report_file_error ("Cannot open debugging output stream", | |
966 | Fcons (file, Qnil)); | |
967 | } | |
968 | } | |
969 | return Qnil; | |
970 | } | |
971 | #endif /* GNU_LINUX */ | |
972 | ||
973 | ||
cf1bb91b RS |
974 | /* This is the interface for debugging printing. */ |
975 | ||
976 | void | |
977 | debug_print (arg) | |
978 | Lisp_Object arg; | |
979 | { | |
980 | Fprin1 (arg, Qexternal_debugging_output); | |
3684eb78 | 981 | fprintf (stderr, "\r\n"); |
cf1bb91b | 982 | } |
bd90dcd0 KS |
983 | |
984 | void | |
985 | safe_debug_print (arg) | |
986 | Lisp_Object arg; | |
987 | { | |
988 | int valid = valid_lisp_object_p (arg); | |
989 | ||
990 | if (valid > 0) | |
991 | debug_print (arg); | |
992 | else | |
993 | fprintf (stderr, "#<%s_LISP_OBJECT 0x%08lx>\r\n", | |
994 | !valid ? "INVALID" : "SOME", | |
4c37a414 | 995 | (unsigned long) XHASH (arg) |
bd90dcd0 KS |
996 | ); |
997 | } | |
998 | ||
38010d50 | 999 | \f |
113620cc KH |
1000 | DEFUN ("error-message-string", Ferror_message_string, Serror_message_string, |
1001 | 1, 1, 0, | |
6b61353c KH |
1002 | doc: /* Convert an error value (ERROR-SYMBOL . DATA) to an error message. |
1003 | See Info anchor `(elisp)Definition of signal' for some details on how this | |
1004 | error message is constructed. */) | |
8c1a1077 | 1005 | (obj) |
113620cc KH |
1006 | Lisp_Object obj; |
1007 | { | |
1008 | struct buffer *old = current_buffer; | |
63fbf4ff | 1009 | Lisp_Object value; |
113620cc KH |
1010 | struct gcpro gcpro1; |
1011 | ||
0872e11f RS |
1012 | /* If OBJ is (error STRING), just return STRING. |
1013 | That is not only faster, it also avoids the need to allocate | |
1014 | space here when the error is due to memory full. */ | |
94b342ce KR |
1015 | if (CONSP (obj) && EQ (XCAR (obj), Qerror) |
1016 | && CONSP (XCDR (obj)) | |
1017 | && STRINGP (XCAR (XCDR (obj))) | |
1018 | && NILP (XCDR (XCDR (obj)))) | |
1019 | return XCAR (XCDR (obj)); | |
0872e11f | 1020 | |
240e806c | 1021 | print_error_message (obj, Vprin1_to_string_buffer, 0, Qnil); |
113620cc KH |
1022 | |
1023 | set_buffer_internal (XBUFFER (Vprin1_to_string_buffer)); | |
1024 | value = Fbuffer_string (); | |
1025 | ||
1026 | GCPRO1 (value); | |
1027 | Ferase_buffer (); | |
1028 | set_buffer_internal (old); | |
1029 | UNGCPRO; | |
1030 | ||
1031 | return value; | |
1032 | } | |
1033 | ||
c02279de | 1034 | /* Print an error message for the error DATA onto Lisp output stream |
7ab56fea RS |
1035 | STREAM (suitable for the print functions). |
1036 | CONTEXT is a C string describing the context of the error. | |
1037 | CALLER is the Lisp function inside which the error was signaled. */ | |
113620cc | 1038 | |
dc22f25e | 1039 | void |
240e806c | 1040 | print_error_message (data, stream, context, caller) |
113620cc | 1041 | Lisp_Object data, stream; |
240e806c RS |
1042 | char *context; |
1043 | Lisp_Object caller; | |
113620cc KH |
1044 | { |
1045 | Lisp_Object errname, errmsg, file_error, tail; | |
1046 | struct gcpro gcpro1; | |
1047 | int i; | |
1048 | ||
240e806c RS |
1049 | if (context != 0) |
1050 | write_string_1 (context, -1, stream); | |
1051 | ||
1052 | /* If we know from where the error was signaled, show it in | |
1053 | *Messages*. */ | |
1054 | if (!NILP (caller) && SYMBOLP (caller)) | |
1055 | { | |
11fb15d5 KS |
1056 | Lisp_Object cname = SYMBOL_NAME (caller); |
1057 | char *name = alloca (SBYTES (cname)); | |
1058 | bcopy (SDATA (cname), name, SBYTES (cname)); | |
826256dd | 1059 | message_dolog (name, SBYTES (cname), 0, 0); |
240e806c RS |
1060 | message_dolog (": ", 2, 0, 0); |
1061 | } | |
1062 | ||
113620cc KH |
1063 | errname = Fcar (data); |
1064 | ||
1065 | if (EQ (errname, Qerror)) | |
1066 | { | |
1067 | data = Fcdr (data); | |
c02279de GM |
1068 | if (!CONSP (data)) |
1069 | data = Qnil; | |
113620cc KH |
1070 | errmsg = Fcar (data); |
1071 | file_error = Qnil; | |
1072 | } | |
1073 | else | |
1074 | { | |
c02279de | 1075 | Lisp_Object error_conditions; |
113620cc | 1076 | errmsg = Fget (errname, Qerror_message); |
c02279de GM |
1077 | error_conditions = Fget (errname, Qerror_conditions); |
1078 | file_error = Fmemq (Qfile_error, error_conditions); | |
113620cc KH |
1079 | } |
1080 | ||
1081 | /* Print an error message including the data items. */ | |
1082 | ||
1083 | tail = Fcdr_safe (data); | |
1084 | GCPRO1 (tail); | |
1085 | ||
1086 | /* For file-error, make error message by concatenating | |
1087 | all the data items. They are all strings. */ | |
8c29413d | 1088 | if (!NILP (file_error) && CONSP (tail)) |
94b342ce | 1089 | errmsg = XCAR (tail), tail = XCDR (tail); |
113620cc KH |
1090 | |
1091 | if (STRINGP (errmsg)) | |
1092 | Fprinc (errmsg, stream); | |
1093 | else | |
1094 | write_string_1 ("peculiar error", -1, stream); | |
1095 | ||
c02279de | 1096 | for (i = 0; CONSP (tail); tail = XCDR (tail), i++) |
113620cc | 1097 | { |
c02279de GM |
1098 | Lisp_Object obj; |
1099 | ||
113620cc | 1100 | write_string_1 (i ? ", " : ": ", 2, stream); |
c02279de GM |
1101 | obj = XCAR (tail); |
1102 | if (!NILP (file_error) || EQ (errname, Qend_of_file)) | |
1103 | Fprinc (obj, stream); | |
113620cc | 1104 | else |
c02279de | 1105 | Fprin1 (obj, stream); |
113620cc | 1106 | } |
177c0ea7 | 1107 | |
113620cc KH |
1108 | UNGCPRO; |
1109 | } | |
38010d50 | 1110 | |
c02279de GM |
1111 | |
1112 | \f | |
38010d50 | 1113 | /* |
edb2a707 | 1114 | * The buffer should be at least as large as the max string size of the |
8e6208c5 | 1115 | * largest float, printed in the biggest notation. This is undoubtedly |
38010d50 JB |
1116 | * 20d float_output_format, with the negative of the C-constant "HUGE" |
1117 | * from <math.h>. | |
177c0ea7 | 1118 | * |
38010d50 | 1119 | * On the vax the worst case is -1e38 in 20d format which takes 61 bytes. |
177c0ea7 | 1120 | * |
38010d50 JB |
1121 | * I assume that IEEE-754 format numbers can take 329 bytes for the worst |
1122 | * case of -1e307 in 20d float_output_format. What is one to do (short of | |
1123 | * re-writing _doprnt to be more sane)? | |
1124 | * -wsr | |
1125 | */ | |
edb2a707 RS |
1126 | |
1127 | void | |
1128 | float_to_string (buf, data) | |
8b24d146 | 1129 | unsigned char *buf; |
38010d50 JB |
1130 | double data; |
1131 | { | |
c7b14277 | 1132 | unsigned char *cp; |
322890c4 | 1133 | int width; |
177c0ea7 | 1134 | |
7f45de2d RS |
1135 | /* Check for plus infinity in a way that won't lose |
1136 | if there is no plus infinity. */ | |
1137 | if (data == data / 2 && data > 1.0) | |
1138 | { | |
1139 | strcpy (buf, "1.0e+INF"); | |
1140 | return; | |
1141 | } | |
1142 | /* Likewise for minus infinity. */ | |
1143 | if (data == data / 2 && data < -1.0) | |
1144 | { | |
1145 | strcpy (buf, "-1.0e+INF"); | |
1146 | return; | |
1147 | } | |
1148 | /* Check for NaN in a way that won't fail if there are no NaNs. */ | |
1149 | if (! (data * 0.0 >= 0.0)) | |
1150 | { | |
68c45bf0 PE |
1151 | /* Prepend "-" if the NaN's sign bit is negative. |
1152 | The sign bit of a double is the bit that is 1 in -0.0. */ | |
1153 | int i; | |
1154 | union { double d; char c[sizeof (double)]; } u_data, u_minus_zero; | |
1155 | u_data.d = data; | |
1156 | u_minus_zero.d = - 0.0; | |
1157 | for (i = 0; i < sizeof (double); i++) | |
1158 | if (u_data.c[i] & u_minus_zero.c[i]) | |
1159 | { | |
1160 | *buf++ = '-'; | |
1161 | break; | |
1162 | } | |
177c0ea7 | 1163 | |
7f45de2d RS |
1164 | strcpy (buf, "0.0e+NaN"); |
1165 | return; | |
1166 | } | |
1167 | ||
10eebdbb | 1168 | if (NILP (Vfloat_output_format) |
d4ae1f7e | 1169 | || !STRINGP (Vfloat_output_format)) |
38010d50 | 1170 | lose: |
322890c4 | 1171 | { |
f356c3fb PE |
1172 | /* Generate the fewest number of digits that represent the |
1173 | floating point value without losing information. | |
1174 | The following method is simple but a bit slow. | |
1175 | For ideas about speeding things up, please see: | |
1176 | ||
1177 | Guy L Steele Jr & Jon L White, How to print floating-point numbers | |
1178 | accurately. SIGPLAN notices 25, 6 (June 1990), 112-126. | |
1179 | ||
1180 | Robert G Burger & R Kent Dybvig, Printing floating point numbers | |
1181 | quickly and accurately, SIGPLAN notices 31, 5 (May 1996), 108-116. */ | |
1182 | ||
1183 | width = fabs (data) < DBL_MIN ? 1 : DBL_DIG; | |
1184 | do | |
1185 | sprintf (buf, "%.*g", width, data); | |
1186 | while (width++ < DOUBLE_DIGITS_BOUND && atof (buf) != data); | |
322890c4 | 1187 | } |
38010d50 JB |
1188 | else /* oink oink */ |
1189 | { | |
1190 | /* Check that the spec we have is fully valid. | |
1191 | This means not only valid for printf, | |
1192 | but meant for floats, and reasonable. */ | |
d5db4077 | 1193 | cp = SDATA (Vfloat_output_format); |
38010d50 JB |
1194 | |
1195 | if (cp[0] != '%') | |
1196 | goto lose; | |
1197 | if (cp[1] != '.') | |
1198 | goto lose; | |
1199 | ||
1200 | cp += 2; | |
c7b14277 JB |
1201 | |
1202 | /* Check the width specification. */ | |
322890c4 | 1203 | width = -1; |
c7b14277 | 1204 | if ('0' <= *cp && *cp <= '9') |
381cd4bb KH |
1205 | { |
1206 | width = 0; | |
1207 | do | |
1208 | width = (width * 10) + (*cp++ - '0'); | |
1209 | while (*cp >= '0' && *cp <= '9'); | |
1210 | ||
1211 | /* A precision of zero is valid only for %f. */ | |
1212 | if (width > DBL_DIG | |
1213 | || (width == 0 && *cp != 'f')) | |
1214 | goto lose; | |
1215 | } | |
38010d50 JB |
1216 | |
1217 | if (*cp != 'e' && *cp != 'f' && *cp != 'g') | |
1218 | goto lose; | |
1219 | ||
38010d50 JB |
1220 | if (cp[1] != 0) |
1221 | goto lose; | |
1222 | ||
d5db4077 | 1223 | sprintf (buf, SDATA (Vfloat_output_format), data); |
38010d50 | 1224 | } |
edb2a707 | 1225 | |
c7b14277 JB |
1226 | /* Make sure there is a decimal point with digit after, or an |
1227 | exponent, so that the value is readable as a float. But don't do | |
322890c4 RS |
1228 | this with "%.0f"; it's valid for that not to produce a decimal |
1229 | point. Note that width can be 0 only for %.0f. */ | |
1230 | if (width != 0) | |
0601fd3d | 1231 | { |
c7b14277 JB |
1232 | for (cp = buf; *cp; cp++) |
1233 | if ((*cp < '0' || *cp > '9') && *cp != '-') | |
1234 | break; | |
0601fd3d | 1235 | |
c7b14277 JB |
1236 | if (*cp == '.' && cp[1] == 0) |
1237 | { | |
1238 | cp[1] = '0'; | |
1239 | cp[2] = 0; | |
1240 | } | |
1241 | ||
1242 | if (*cp == 0) | |
1243 | { | |
1244 | *cp++ = '.'; | |
1245 | *cp++ = '0'; | |
1246 | *cp++ = 0; | |
1247 | } | |
edb2a707 | 1248 | } |
38010d50 | 1249 | } |
cc94f3b2 | 1250 | |
38010d50 JB |
1251 | \f |
1252 | static void | |
1253 | print (obj, printcharfun, escapeflag) | |
38010d50 | 1254 | Lisp_Object obj; |
38010d50 JB |
1255 | register Lisp_Object printcharfun; |
1256 | int escapeflag; | |
1257 | { | |
a22dec27 | 1258 | new_backquote_output = 0; |
38010d50 | 1259 | |
0f25ecc6 RS |
1260 | /* Reset print_number_index and Vprint_number_table only when |
1261 | the variable Vprint_continuous_numbering is nil. Otherwise, | |
1262 | the values of these variables will be kept between several | |
1263 | print functions. */ | |
e026eb89 KS |
1264 | if (NILP (Vprint_continuous_numbering) |
1265 | || NILP (Vprint_number_table)) | |
0f25ecc6 RS |
1266 | { |
1267 | print_number_index = 0; | |
1268 | Vprint_number_table = Qnil; | |
1269 | } | |
38010d50 | 1270 | |
0f25ecc6 RS |
1271 | /* Construct Vprint_number_table for print-gensym and print-circle. */ |
1272 | if (!NILP (Vprint_gensym) || !NILP (Vprint_circle)) | |
ec838c39 | 1273 | { |
73fb36f1 | 1274 | int i, start, index; |
73fb36f1 | 1275 | start = index = print_number_index; |
e6d4cddd RS |
1276 | /* Construct Vprint_number_table. |
1277 | This increments print_number_index for the objects added. */ | |
9a6a4c40 | 1278 | print_depth = 0; |
0f25ecc6 | 1279 | print_preprocess (obj); |
e6d4cddd | 1280 | |
0f25ecc6 | 1281 | /* Remove unnecessary objects, which appear only once in OBJ; |
e6d4cddd | 1282 | that is, whose status is Qnil. Compactify the necessary objects. */ |
73fb36f1 | 1283 | for (i = start; i < print_number_index; i++) |
0f25ecc6 RS |
1284 | if (!NILP (PRINT_NUMBER_STATUS (Vprint_number_table, i))) |
1285 | { | |
1286 | PRINT_NUMBER_OBJECT (Vprint_number_table, index) | |
1287 | = PRINT_NUMBER_OBJECT (Vprint_number_table, i); | |
0f25ecc6 RS |
1288 | index++; |
1289 | } | |
e6d4cddd RS |
1290 | |
1291 | /* Clear out objects outside the active part of the table. */ | |
1292 | for (i = index; i < print_number_index; i++) | |
1293 | PRINT_NUMBER_OBJECT (Vprint_number_table, i) = Qnil; | |
1294 | ||
1295 | /* Reset the status field for the next print step. Now this | |
1296 | field means whether the object has already been printed. */ | |
1297 | for (i = start; i < print_number_index; i++) | |
1298 | PRINT_NUMBER_STATUS (Vprint_number_table, i) = Qnil; | |
1299 | ||
0f25ecc6 RS |
1300 | print_number_index = index; |
1301 | } | |
1302 | ||
9a6a4c40 | 1303 | print_depth = 0; |
0f25ecc6 RS |
1304 | print_object (obj, printcharfun, escapeflag); |
1305 | } | |
1306 | ||
1307 | /* Construct Vprint_number_table according to the structure of OBJ. | |
1308 | OBJ itself and all its elements will be added to Vprint_number_table | |
1309 | recursively if it is a list, vector, compiled function, char-table, | |
1310 | string (its text properties will be traced), or a symbol that has | |
1311 | no obarray (this is for the print-gensym feature). | |
1312 | The status fields of Vprint_number_table mean whether each object appears | |
1313 | more than once in OBJ: Qnil at the first time, and Qt after that . */ | |
1314 | static void | |
1315 | print_preprocess (obj) | |
1316 | Lisp_Object obj; | |
1317 | { | |
6b61353c KH |
1318 | int i; |
1319 | EMACS_INT size; | |
c1132671 RS |
1320 | int loop_count = 0; |
1321 | Lisp_Object halftail; | |
1322 | ||
15479e8b RS |
1323 | /* Give up if we go so deep that print_object will get an error. */ |
1324 | /* See similar code in print_object. */ | |
1325 | if (print_depth >= PRINT_CIRCLE) | |
6b8dfbf7 | 1326 | error ("Apparently circular structure being printed"); |
15479e8b | 1327 | |
c1132671 RS |
1328 | /* Avoid infinite recursion for circular nested structure |
1329 | in the case where Vprint_circle is nil. */ | |
1330 | if (NILP (Vprint_circle)) | |
1331 | { | |
1332 | for (i = 0; i < print_depth; i++) | |
1333 | if (EQ (obj, being_printed[i])) | |
1334 | return; | |
1335 | being_printed[print_depth] = obj; | |
1336 | } | |
1337 | ||
c1132671 RS |
1338 | print_depth++; |
1339 | halftail = obj; | |
0f25ecc6 RS |
1340 | |
1341 | loop: | |
1342 | if (STRINGP (obj) || CONSP (obj) || VECTORP (obj) | |
6d77fa95 | 1343 | || COMPILEDP (obj) || CHAR_TABLE_P (obj) || SUB_CHAR_TABLE_P (obj) |
f19a0f5b | 1344 | || HASH_TABLE_P (obj) |
0f25ecc6 | 1345 | || (! NILP (Vprint_gensym) |
bf9f2aab GM |
1346 | && SYMBOLP (obj) |
1347 | && !SYMBOL_INTERNED_P (obj))) | |
0f25ecc6 | 1348 | { |
aca2020b KH |
1349 | /* In case print-circle is nil and print-gensym is t, |
1350 | add OBJ to Vprint_number_table only when OBJ is a symbol. */ | |
1351 | if (! NILP (Vprint_circle) || SYMBOLP (obj)) | |
0f25ecc6 | 1352 | { |
0f25ecc6 | 1353 | for (i = 0; i < print_number_index; i++) |
7c752c80 | 1354 | if (EQ (PRINT_NUMBER_OBJECT (Vprint_number_table, i), obj)) |
aca2020b | 1355 | { |
f35ca2fe | 1356 | /* OBJ appears more than once. Let's remember that. */ |
aca2020b | 1357 | PRINT_NUMBER_STATUS (Vprint_number_table, i) = Qt; |
aa0b0cd9 | 1358 | print_depth--; |
aca2020b KH |
1359 | return; |
1360 | } | |
1361 | ||
1362 | /* OBJ is not yet recorded. Let's add to the table. */ | |
1363 | if (print_number_index == 0) | |
1364 | { | |
1365 | /* Initialize the table. */ | |
1366 | Vprint_number_table = Fmake_vector (make_number (40), Qnil); | |
1367 | } | |
1368 | else if (XVECTOR (Vprint_number_table)->size == print_number_index * 2) | |
0f25ecc6 | 1369 | { |
aca2020b KH |
1370 | /* Reallocate the table. */ |
1371 | int i = print_number_index * 4; | |
1372 | Lisp_Object old_table = Vprint_number_table; | |
1373 | Vprint_number_table = Fmake_vector (make_number (i), Qnil); | |
1374 | for (i = 0; i < print_number_index; i++) | |
1375 | { | |
1376 | PRINT_NUMBER_OBJECT (Vprint_number_table, i) | |
1377 | = PRINT_NUMBER_OBJECT (old_table, i); | |
1378 | PRINT_NUMBER_STATUS (Vprint_number_table, i) | |
1379 | = PRINT_NUMBER_STATUS (old_table, i); | |
1380 | } | |
0f25ecc6 | 1381 | } |
aca2020b KH |
1382 | PRINT_NUMBER_OBJECT (Vprint_number_table, print_number_index) = obj; |
1383 | /* If Vprint_continuous_numbering is non-nil and OBJ is a gensym, | |
1384 | always print the gensym with a number. This is a special for | |
1385 | the lisp function byte-compile-output-docform. */ | |
bf9f2aab GM |
1386 | if (!NILP (Vprint_continuous_numbering) |
1387 | && SYMBOLP (obj) | |
1388 | && !SYMBOL_INTERNED_P (obj)) | |
aca2020b KH |
1389 | PRINT_NUMBER_STATUS (Vprint_number_table, print_number_index) = Qt; |
1390 | print_number_index++; | |
0f25ecc6 | 1391 | } |
0f25ecc6 | 1392 | |
8e50cc2d | 1393 | switch (XTYPE (obj)) |
0f25ecc6 RS |
1394 | { |
1395 | case Lisp_String: | |
0f25ecc6 | 1396 | /* A string may have text properties, which can be circular. */ |
d5db4077 | 1397 | traverse_intervals_noorder (STRING_INTERVALS (obj), |
8bbfc258 | 1398 | print_preprocess_string, Qnil); |
0f25ecc6 RS |
1399 | break; |
1400 | ||
1401 | case Lisp_Cons: | |
c1132671 RS |
1402 | /* Use HALFTAIL and LOOP_COUNT to detect circular lists, |
1403 | just as in print_object. */ | |
1404 | if (loop_count && EQ (obj, halftail)) | |
1405 | break; | |
0f25ecc6 RS |
1406 | print_preprocess (XCAR (obj)); |
1407 | obj = XCDR (obj); | |
c1132671 RS |
1408 | loop_count++; |
1409 | if (!(loop_count & 1)) | |
1410 | halftail = XCDR (halftail); | |
0f25ecc6 RS |
1411 | goto loop; |
1412 | ||
1413 | case Lisp_Vectorlike: | |
6b61353c KH |
1414 | size = XVECTOR (obj)->size; |
1415 | if (size & PSEUDOVECTOR_FLAG) | |
1416 | size &= PSEUDOVECTOR_SIZE_MASK; | |
0f25ecc6 RS |
1417 | for (i = 0; i < size; i++) |
1418 | print_preprocess (XVECTOR (obj)->contents[i]); | |
3e0de07f SM |
1419 | if (HASH_TABLE_P (obj)) |
1420 | { /* For hash tables, the key_and_value slot is past | |
1421 | `size' because it needs to be marked specially in case | |
1422 | the table is weak. */ | |
1423 | struct Lisp_Hash_Table *h = XHASH_TABLE (obj); | |
1424 | print_preprocess (h->key_and_value); | |
1425 | } | |
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 | 1442 | |
71ea13cb KH |
1443 | /* A flag to control printing of `charset' text property. |
1444 | The default value is Qdefault. */ | |
1445 | Lisp_Object Vprint_charset_text_property; | |
1446 | extern Lisp_Object Qdefault; | |
1447 | ||
1448 | static void print_check_string_charset_prop (); | |
1449 | ||
1450 | #define PRINT_STRING_NON_CHARSET_FOUND 1 | |
1451 | #define PRINT_STRING_UNSAFE_CHARSET_FOUND 2 | |
1452 | ||
1453 | /* Bitwize or of the abobe macros. */ | |
1454 | static int print_check_string_result; | |
1455 | ||
1456 | static void | |
1457 | print_check_string_charset_prop (interval, string) | |
1458 | INTERVAL interval; | |
1459 | Lisp_Object string; | |
1460 | { | |
1461 | Lisp_Object val; | |
1462 | ||
1463 | if (NILP (interval->plist) | |
1464 | || (print_check_string_result == (PRINT_STRING_NON_CHARSET_FOUND | |
1465 | | PRINT_STRING_UNSAFE_CHARSET_FOUND))) | |
1466 | return; | |
1467 | for (val = interval->plist; CONSP (val) && ! EQ (XCAR (val), Qcharset); | |
1468 | val = XCDR (XCDR (val))); | |
1469 | if (! CONSP (val)) | |
1470 | { | |
1471 | print_check_string_result |= PRINT_STRING_NON_CHARSET_FOUND; | |
1472 | return; | |
1473 | } | |
1474 | if (! (print_check_string_result & PRINT_STRING_NON_CHARSET_FOUND)) | |
1475 | { | |
1476 | if (! EQ (val, interval->plist) | |
1477 | || CONSP (XCDR (XCDR (val)))) | |
1478 | print_check_string_result |= PRINT_STRING_NON_CHARSET_FOUND; | |
1479 | } | |
1480 | if (NILP (Vprint_charset_text_property) | |
1481 | || ! (print_check_string_result & PRINT_STRING_UNSAFE_CHARSET_FOUND)) | |
1482 | { | |
1483 | int i, c; | |
1484 | int charpos = interval->position; | |
1485 | int bytepos = string_char_to_byte (string, charpos); | |
1486 | Lisp_Object charset; | |
1487 | ||
1488 | charset = XCAR (XCDR (val)); | |
1489 | for (i = 0; i < LENGTH (interval); i++) | |
1490 | { | |
1491 | FETCH_STRING_CHAR_ADVANCE (c, string, charpos, bytepos); | |
c80bcdbc KH |
1492 | if (! ASCII_CHAR_P (c) |
1493 | && ! EQ (CHARSET_NAME (CHAR_CHARSET (c)), charset)) | |
71ea13cb KH |
1494 | { |
1495 | print_check_string_result |= PRINT_STRING_UNSAFE_CHARSET_FOUND; | |
1496 | break; | |
1497 | } | |
1498 | } | |
1499 | } | |
1500 | } | |
1501 | ||
1502 | /* The value is (charset . nil). */ | |
1503 | static Lisp_Object print_prune_charset_plist; | |
1504 | ||
1505 | static Lisp_Object | |
1506 | print_prune_string_charset (string) | |
1507 | Lisp_Object string; | |
1508 | { | |
1509 | print_check_string_result = 0; | |
1510 | traverse_intervals (STRING_INTERVALS (string), 0, | |
1511 | print_check_string_charset_prop, string); | |
1512 | if (! (print_check_string_result & PRINT_STRING_UNSAFE_CHARSET_FOUND)) | |
1513 | { | |
1514 | string = Fcopy_sequence (string); | |
1515 | if (print_check_string_result & PRINT_STRING_NON_CHARSET_FOUND) | |
1516 | { | |
1517 | if (NILP (print_prune_charset_plist)) | |
1518 | print_prune_charset_plist = Fcons (Qcharset, Qnil); | |
eabe04c0 KH |
1519 | Fremove_text_properties (make_number (0), |
1520 | make_number (SCHARS (string)), | |
71ea13cb KH |
1521 | print_prune_charset_plist, string); |
1522 | } | |
1523 | else | |
eabe04c0 KH |
1524 | Fset_text_properties (make_number (0), make_number (SCHARS (string)), |
1525 | Qnil, string); | |
71ea13cb KH |
1526 | } |
1527 | return string; | |
1528 | } | |
1529 | ||
0f25ecc6 RS |
1530 | static void |
1531 | print_object (obj, printcharfun, escapeflag) | |
1532 | Lisp_Object obj; | |
1533 | register Lisp_Object printcharfun; | |
1534 | int escapeflag; | |
1535 | { | |
28b8f740 | 1536 | char buf[40]; |
0f25ecc6 RS |
1537 | |
1538 | QUIT; | |
1539 | ||
76afdf7e | 1540 | /* See similar code in print_preprocess. */ |
51dc79f8 | 1541 | if (print_depth >= PRINT_CIRCLE) |
76afdf7e CY |
1542 | error ("Apparently circular structure being printed"); |
1543 | ||
0f25ecc6 RS |
1544 | /* Detect circularities and truncate them. */ |
1545 | if (STRINGP (obj) || CONSP (obj) || VECTORP (obj) | |
dec47cc3 | 1546 | || COMPILEDP (obj) || CHAR_TABLE_P (obj) || SUB_CHAR_TABLE_P (obj) |
f19a0f5b | 1547 | || HASH_TABLE_P (obj) |
0f25ecc6 | 1548 | || (! NILP (Vprint_gensym) |
bf9f2aab GM |
1549 | && SYMBOLP (obj) |
1550 | && !SYMBOL_INTERNED_P (obj))) | |
0f25ecc6 RS |
1551 | { |
1552 | if (NILP (Vprint_circle) && NILP (Vprint_gensym)) | |
1553 | { | |
1554 | /* Simple but incomplete way. */ | |
1555 | int i; | |
1556 | for (i = 0; i < print_depth; i++) | |
1557 | if (EQ (obj, being_printed[i])) | |
1558 | { | |
1559 | sprintf (buf, "#%d", i); | |
1560 | strout (buf, -1, -1, printcharfun, 0); | |
1561 | return; | |
1562 | } | |
1563 | being_printed[print_depth] = obj; | |
1564 | } | |
1565 | else | |
1566 | { | |
1567 | /* With the print-circle feature. */ | |
1568 | int i; | |
1569 | for (i = 0; i < print_number_index; i++) | |
7c752c80 | 1570 | if (EQ (PRINT_NUMBER_OBJECT (Vprint_number_table, i), obj)) |
0f25ecc6 RS |
1571 | { |
1572 | if (NILP (PRINT_NUMBER_STATUS (Vprint_number_table, i))) | |
1573 | { | |
1574 | /* Add a prefix #n= if OBJ has not yet been printed; | |
1575 | that is, its status field is nil. */ | |
1576 | sprintf (buf, "#%d=", i + 1); | |
1577 | strout (buf, -1, -1, printcharfun, 0); | |
1578 | /* OBJ is going to be printed. Set the status to t. */ | |
1579 | PRINT_NUMBER_STATUS (Vprint_number_table, i) = Qt; | |
1580 | break; | |
1581 | } | |
1582 | else | |
1583 | { | |
1584 | /* Just print #n# if OBJ has already been printed. */ | |
1585 | sprintf (buf, "#%d#", i + 1); | |
1586 | strout (buf, -1, -1, printcharfun, 0); | |
1587 | return; | |
1588 | } | |
1589 | } | |
1590 | } | |
ec838c39 | 1591 | } |
ec838c39 | 1592 | |
38010d50 JB |
1593 | print_depth++; |
1594 | ||
8e50cc2d | 1595 | switch (XTYPE (obj)) |
38010d50 | 1596 | { |
2de9f71c | 1597 | case_Lisp_Int: |
b8180922 | 1598 | if (sizeof (int) == sizeof (EMACS_INT)) |
6af1696d | 1599 | sprintf (buf, "%d", (int) XINT (obj)); |
b8180922 | 1600 | else if (sizeof (long) == sizeof (EMACS_INT)) |
63fbf4ff | 1601 | sprintf (buf, "%ld", (long) XINT (obj)); |
b8180922 RS |
1602 | else |
1603 | abort (); | |
dc2a0b79 | 1604 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1605 | break; |
1606 | ||
ca0569ad RS |
1607 | case Lisp_Float: |
1608 | { | |
1609 | char pigbuf[350]; /* see comments in float_to_string */ | |
38010d50 | 1610 | |
94b342ce | 1611 | float_to_string (pigbuf, XFLOAT_DATA (obj)); |
dc2a0b79 | 1612 | strout (pigbuf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1613 | } |
1614 | break; | |
ca0569ad RS |
1615 | |
1616 | case Lisp_String: | |
38010d50 JB |
1617 | if (!escapeflag) |
1618 | print_string (obj, printcharfun); | |
1619 | else | |
1620 | { | |
dc2a0b79 | 1621 | register int i, i_byte; |
38010d50 | 1622 | struct gcpro gcpro1; |
872a36d2 | 1623 | unsigned char *str; |
dc2a0b79 | 1624 | int size_byte; |
453fa987 RS |
1625 | /* 1 means we must ensure that the next character we output |
1626 | cannot be taken as part of a hex character escape. */ | |
1627 | int need_nonhex = 0; | |
db300f59 | 1628 | int multibyte = STRING_MULTIBYTE (obj); |
38010d50 | 1629 | |
7651e1f5 RS |
1630 | GCPRO1 (obj); |
1631 | ||
71ea13cb KH |
1632 | if (! EQ (Vprint_charset_text_property, Qt)) |
1633 | obj = print_prune_string_charset (obj); | |
1634 | ||
d5db4077 | 1635 | if (!NULL_INTERVAL_P (STRING_INTERVALS (obj))) |
7651e1f5 RS |
1636 | { |
1637 | PRINTCHAR ('#'); | |
1638 | PRINTCHAR ('('); | |
1639 | } | |
38010d50 JB |
1640 | |
1641 | PRINTCHAR ('\"'); | |
d5db4077 KR |
1642 | str = SDATA (obj); |
1643 | size_byte = SBYTES (obj); | |
dc2a0b79 RS |
1644 | |
1645 | for (i = 0, i_byte = 0; i_byte < size_byte;) | |
38010d50 | 1646 | { |
6ddd6eee RS |
1647 | /* Here, we must convert each multi-byte form to the |
1648 | corresponding character code before handing it to PRINTCHAR. */ | |
1649 | int len; | |
dc2a0b79 RS |
1650 | int c; |
1651 | ||
db300f59 | 1652 | if (multibyte) |
872a36d2 | 1653 | { |
62a6e103 | 1654 | c = STRING_CHAR_AND_LENGTH (str + i_byte, len); |
8b4b4467 | 1655 | i_byte += len; |
872a36d2 | 1656 | } |
dc2a0b79 | 1657 | else |
872a36d2 | 1658 | c = str[i_byte++]; |
dc2a0b79 | 1659 | |
38010d50 | 1660 | QUIT; |
6ddd6eee | 1661 | |
38010d50 JB |
1662 | if (c == '\n' && print_escape_newlines) |
1663 | { | |
1664 | PRINTCHAR ('\\'); | |
1665 | PRINTCHAR ('n'); | |
1666 | } | |
c6f7982f RM |
1667 | else if (c == '\f' && print_escape_newlines) |
1668 | { | |
1669 | PRINTCHAR ('\\'); | |
1670 | PRINTCHAR ('f'); | |
1671 | } | |
ae7367d3 | 1672 | else if (multibyte |
73af357a KH |
1673 | && (CHAR_BYTE8_P (c) |
1674 | || (! ASCII_CHAR_P (c) && print_escape_multibyte))) | |
dc2a0b79 RS |
1675 | { |
1676 | /* When multibyte is disabled, | |
ae7367d3 RS |
1677 | print multibyte string chars using hex escapes. |
1678 | For a char code that could be in a unibyte string, | |
1679 | when found in a multibyte string, always use a hex escape | |
1680 | so it reads back as multibyte. */ | |
dc2a0b79 | 1681 | unsigned char outbuf[50]; |
8b4b4467 KH |
1682 | |
1683 | if (CHAR_BYTE8_P (c)) | |
1684 | sprintf (outbuf, "\\%03o", CHAR_TO_BYTE8 (c)); | |
1685 | else | |
8f924df7 KH |
1686 | { |
1687 | sprintf (outbuf, "\\x%04x", c); | |
1688 | need_nonhex = 1; | |
1689 | } | |
dc2a0b79 RS |
1690 | strout (outbuf, -1, -1, printcharfun, 0); |
1691 | } | |
db300f59 RS |
1692 | else if (! multibyte |
1693 | && SINGLE_BYTE_CHAR_P (c) && ! ASCII_BYTE_P (c) | |
835d0be6 | 1694 | && print_escape_nonascii) |
974a6ff5 | 1695 | { |
835d0be6 RS |
1696 | /* When printing in a multibyte buffer |
1697 | or when explicitly requested, | |
974a6ff5 KH |
1698 | print single-byte non-ASCII string chars |
1699 | using octal escapes. */ | |
1700 | unsigned char outbuf[5]; | |
1701 | sprintf (outbuf, "\\%03o", c); | |
1702 | strout (outbuf, -1, -1, printcharfun, 0); | |
1703 | } | |
38010d50 JB |
1704 | else |
1705 | { | |
453fa987 RS |
1706 | /* If we just had a hex escape, and this character |
1707 | could be taken as part of it, | |
1708 | output `\ ' to prevent that. */ | |
1b62edd6 KH |
1709 | if (need_nonhex) |
1710 | { | |
1711 | need_nonhex = 0; | |
1712 | if ((c >= 'a' && c <= 'f') | |
453fa987 | 1713 | || (c >= 'A' && c <= 'F') |
1b62edd6 KH |
1714 | || (c >= '0' && c <= '9')) |
1715 | strout ("\\ ", -1, -1, printcharfun, 0); | |
1716 | } | |
453fa987 | 1717 | |
38010d50 JB |
1718 | if (c == '\"' || c == '\\') |
1719 | PRINTCHAR ('\\'); | |
1720 | PRINTCHAR (c); | |
1721 | } | |
1722 | } | |
1723 | PRINTCHAR ('\"'); | |
7651e1f5 | 1724 | |
d5db4077 | 1725 | if (!NULL_INTERVAL_P (STRING_INTERVALS (obj))) |
7651e1f5 | 1726 | { |
d5db4077 | 1727 | traverse_intervals (STRING_INTERVALS (obj), |
8bbfc258 | 1728 | 0, print_interval, printcharfun); |
7651e1f5 RS |
1729 | PRINTCHAR (')'); |
1730 | } | |
7651e1f5 | 1731 | |
38010d50 JB |
1732 | UNGCPRO; |
1733 | } | |
ca0569ad | 1734 | break; |
38010d50 | 1735 | |
ca0569ad RS |
1736 | case Lisp_Symbol: |
1737 | { | |
1738 | register int confusing; | |
d5db4077 KR |
1739 | register unsigned char *p = SDATA (SYMBOL_NAME (obj)); |
1740 | register unsigned char *end = p + SBYTES (SYMBOL_NAME (obj)); | |
2190a05e | 1741 | register int c; |
dc2a0b79 RS |
1742 | int i, i_byte, size_byte; |
1743 | Lisp_Object name; | |
1744 | ||
76d0b3ae | 1745 | name = SYMBOL_NAME (obj); |
ca0569ad RS |
1746 | |
1747 | if (p != end && (*p == '-' || *p == '+')) p++; | |
1748 | if (p == end) | |
1749 | confusing = 0; | |
d27497e3 RS |
1750 | /* If symbol name begins with a digit, and ends with a digit, |
1751 | and contains nothing but digits and `e', it could be treated | |
1752 | as a number. So set CONFUSING. | |
1753 | ||
1754 | Symbols that contain periods could also be taken as numbers, | |
1755 | but periods are always escaped, so we don't have to worry | |
1756 | about them here. */ | |
1757 | else if (*p >= '0' && *p <= '9' | |
1758 | && end[-1] >= '0' && end[-1] <= '9') | |
ca0569ad | 1759 | { |
e837058b RS |
1760 | while (p != end && ((*p >= '0' && *p <= '9') |
1761 | /* Needed for \2e10. */ | |
01a8d3fa | 1762 | || *p == 'e' || *p == 'E')) |
ca0569ad RS |
1763 | p++; |
1764 | confusing = (end == p); | |
1765 | } | |
d27497e3 RS |
1766 | else |
1767 | confusing = 0; | |
ca0569ad | 1768 | |
bf9f2aab | 1769 | if (! NILP (Vprint_gensym) && !SYMBOL_INTERNED_P (obj)) |
081e0581 | 1770 | { |
081e0581 EN |
1771 | PRINTCHAR ('#'); |
1772 | PRINTCHAR (':'); | |
1773 | } | |
1774 | ||
d5db4077 | 1775 | size_byte = SBYTES (name); |
dc2a0b79 RS |
1776 | |
1777 | for (i = 0, i_byte = 0; i_byte < size_byte;) | |
ca0569ad | 1778 | { |
6ddd6eee RS |
1779 | /* Here, we must convert each multi-byte form to the |
1780 | corresponding character code before handing it to PRINTCHAR. */ | |
eba90784 | 1781 | FETCH_STRING_CHAR_ADVANCE (c, name, i, i_byte); |
ca0569ad | 1782 | QUIT; |
09eddb56 | 1783 | |
ca0569ad RS |
1784 | if (escapeflag) |
1785 | { | |
09eddb56 RS |
1786 | if (c == '\"' || c == '\\' || c == '\'' |
1787 | || c == ';' || c == '#' || c == '(' || c == ')' | |
1788 | || c == ',' || c =='.' || c == '`' | |
1789 | || c == '[' || c == ']' || c == '?' || c <= 040 | |
1790 | || confusing) | |
ca0569ad RS |
1791 | PRINTCHAR ('\\'), confusing = 0; |
1792 | } | |
1793 | PRINTCHAR (c); | |
1794 | } | |
1795 | } | |
1796 | break; | |
1797 | ||
1798 | case Lisp_Cons: | |
38010d50 | 1799 | /* If deeper than spec'd depth, print placeholder. */ |
d4ae1f7e | 1800 | if (INTEGERP (Vprint_level) |
38010d50 | 1801 | && print_depth > XINT (Vprint_level)) |
dc2a0b79 | 1802 | strout ("...", -1, -1, printcharfun, 0); |
2f100b5c EN |
1803 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) |
1804 | && (EQ (XCAR (obj), Qquote))) | |
1805 | { | |
1806 | PRINTCHAR ('\''); | |
0f25ecc6 | 1807 | print_object (XCAR (XCDR (obj)), printcharfun, escapeflag); |
2f100b5c EN |
1808 | } |
1809 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) | |
1810 | && (EQ (XCAR (obj), Qfunction))) | |
1811 | { | |
1812 | PRINTCHAR ('#'); | |
1813 | PRINTCHAR ('\''); | |
0f25ecc6 | 1814 | print_object (XCAR (XCDR (obj)), printcharfun, escapeflag); |
2f100b5c EN |
1815 | } |
1816 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) | |
a22dec27 SM |
1817 | && ((EQ (XCAR (obj), Qbackquote)))) |
1818 | { | |
1819 | print_object (XCAR (obj), printcharfun, 0); | |
1820 | new_backquote_output++; | |
1821 | print_object (XCAR (XCDR (obj)), printcharfun, escapeflag); | |
1822 | new_backquote_output--; | |
1823 | } | |
1824 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) | |
1825 | && new_backquote_output | |
2f100b5c EN |
1826 | && ((EQ (XCAR (obj), Qbackquote) |
1827 | || EQ (XCAR (obj), Qcomma) | |
1828 | || EQ (XCAR (obj), Qcomma_at) | |
1829 | || EQ (XCAR (obj), Qcomma_dot)))) | |
1830 | { | |
0f25ecc6 | 1831 | print_object (XCAR (obj), printcharfun, 0); |
a22dec27 | 1832 | new_backquote_output--; |
0f25ecc6 | 1833 | print_object (XCAR (XCDR (obj)), printcharfun, escapeflag); |
a22dec27 | 1834 | new_backquote_output++; |
2f100b5c | 1835 | } |
e0f93814 | 1836 | else |
38010d50 | 1837 | { |
e0f93814 | 1838 | PRINTCHAR ('('); |
177c0ea7 | 1839 | |
0330bb60 RS |
1840 | /* If the first element is a backquote form, |
1841 | print it old-style so it won't be misunderstood. */ | |
1842 | if (print_quoted && CONSP (XCAR (obj)) | |
1843 | && CONSP (XCDR (XCAR (obj))) | |
1844 | && NILP (XCDR (XCDR (XCAR (obj)))) | |
1845 | && EQ (XCAR (XCAR (obj)), Qbackquote)) | |
1846 | { | |
1847 | Lisp_Object tem; | |
1848 | tem = XCAR (obj); | |
1849 | PRINTCHAR ('('); | |
1850 | ||
1851 | print_object (Qbackquote, printcharfun, 0); | |
1852 | PRINTCHAR (' '); | |
1853 | ||
0330bb60 | 1854 | print_object (XCAR (XCDR (tem)), printcharfun, 0); |
0330bb60 RS |
1855 | PRINTCHAR (')'); |
1856 | ||
1857 | obj = XCDR (obj); | |
1858 | } | |
1859 | ||
38010d50 | 1860 | { |
42ac1ed4 | 1861 | int print_length, i; |
1eab22b5 | 1862 | Lisp_Object halftail = obj; |
e0f93814 | 1863 | |
9ab8560d | 1864 | /* Negative values of print-length are invalid in CL. |
42ac1ed4 GM |
1865 | Treat them like nil, as CMUCL does. */ |
1866 | if (NATNUMP (Vprint_length)) | |
1867 | print_length = XFASTINT (Vprint_length); | |
1868 | else | |
1869 | print_length = 0; | |
1870 | ||
1871 | i = 0; | |
e0f93814 | 1872 | while (CONSP (obj)) |
38010d50 | 1873 | { |
1eab22b5 | 1874 | /* Detect circular list. */ |
0f25ecc6 | 1875 | if (NILP (Vprint_circle)) |
1eab22b5 | 1876 | { |
0f25ecc6 RS |
1877 | /* Simple but imcomplete way. */ |
1878 | if (i != 0 && EQ (obj, halftail)) | |
1879 | { | |
1880 | sprintf (buf, " . #%d", i / 2); | |
1881 | strout (buf, -1, -1, printcharfun, 0); | |
1882 | goto end_of_list; | |
1883 | } | |
1884 | } | |
1885 | else | |
1886 | { | |
1887 | /* With the print-circle feature. */ | |
1888 | if (i != 0) | |
1889 | { | |
1890 | int i; | |
1891 | for (i = 0; i < print_number_index; i++) | |
42ac1ed4 GM |
1892 | if (EQ (PRINT_NUMBER_OBJECT (Vprint_number_table, i), |
1893 | obj)) | |
0f25ecc6 RS |
1894 | { |
1895 | if (NILP (PRINT_NUMBER_STATUS (Vprint_number_table, i))) | |
1896 | { | |
1897 | strout (" . ", 3, 3, printcharfun, 0); | |
1898 | print_object (obj, printcharfun, escapeflag); | |
1899 | } | |
1900 | else | |
1901 | { | |
1902 | sprintf (buf, " . #%d#", i + 1); | |
1903 | strout (buf, -1, -1, printcharfun, 0); | |
1904 | } | |
1905 | goto end_of_list; | |
1906 | } | |
1907 | } | |
1eab22b5 | 1908 | } |
177c0ea7 | 1909 | |
e0f93814 KH |
1910 | if (i++) |
1911 | PRINTCHAR (' '); | |
177c0ea7 | 1912 | |
f4fe72d5 | 1913 | if (print_length && i > print_length) |
e0f93814 | 1914 | { |
dc2a0b79 | 1915 | strout ("...", 3, 3, printcharfun, 0); |
0f25ecc6 | 1916 | goto end_of_list; |
e0f93814 | 1917 | } |
177c0ea7 | 1918 | |
0f25ecc6 | 1919 | print_object (XCAR (obj), printcharfun, escapeflag); |
177c0ea7 | 1920 | |
2f100b5c | 1921 | obj = XCDR (obj); |
1eab22b5 RS |
1922 | if (!(i & 1)) |
1923 | halftail = XCDR (halftail); | |
38010d50 | 1924 | } |
38010d50 | 1925 | } |
42ac1ed4 GM |
1926 | |
1927 | /* OBJ non-nil here means it's the end of a dotted list. */ | |
2f100b5c | 1928 | if (!NILP (obj)) |
e0f93814 | 1929 | { |
dc2a0b79 | 1930 | strout (" . ", 3, 3, printcharfun, 0); |
0f25ecc6 | 1931 | print_object (obj, printcharfun, escapeflag); |
e0f93814 | 1932 | } |
177c0ea7 | 1933 | |
0f25ecc6 | 1934 | end_of_list: |
e0f93814 | 1935 | PRINTCHAR (')'); |
38010d50 | 1936 | } |
ca0569ad RS |
1937 | break; |
1938 | ||
1939 | case Lisp_Vectorlike: | |
1940 | if (PROCESSP (obj)) | |
1941 | { | |
1942 | if (escapeflag) | |
1943 | { | |
dc2a0b79 | 1944 | strout ("#<process ", -1, -1, printcharfun, 0); |
ca0569ad RS |
1945 | print_string (XPROCESS (obj)->name, printcharfun); |
1946 | PRINTCHAR ('>'); | |
1947 | } | |
1948 | else | |
1949 | print_string (XPROCESS (obj)->name, printcharfun); | |
1950 | } | |
ed2c35ef RS |
1951 | else if (BOOL_VECTOR_P (obj)) |
1952 | { | |
1953 | register int i; | |
1954 | register unsigned char c; | |
1955 | struct gcpro gcpro1; | |
ed2c35ef | 1956 | int size_in_chars |
4b5af5e4 AS |
1957 | = ((XBOOL_VECTOR (obj)->size + BOOL_VECTOR_BITS_PER_CHAR - 1) |
1958 | / BOOL_VECTOR_BITS_PER_CHAR); | |
ed2c35ef RS |
1959 | |
1960 | GCPRO1 (obj); | |
1961 | ||
1962 | PRINTCHAR ('#'); | |
1963 | PRINTCHAR ('&'); | |
474f84d9 | 1964 | sprintf (buf, "%ld", (long) XBOOL_VECTOR (obj)->size); |
dc2a0b79 | 1965 | strout (buf, -1, -1, printcharfun, 0); |
ed2c35ef | 1966 | PRINTCHAR ('\"'); |
a40384bc | 1967 | |
42ac1ed4 | 1968 | /* Don't print more characters than the specified maximum. |
9ab8560d | 1969 | Negative values of print-length are invalid. Treat them |
42ac1ed4 GM |
1970 | like a print-length of nil. */ |
1971 | if (NATNUMP (Vprint_length) | |
1972 | && XFASTINT (Vprint_length) < size_in_chars) | |
1973 | size_in_chars = XFASTINT (Vprint_length); | |
a40384bc | 1974 | |
ed2c35ef RS |
1975 | for (i = 0; i < size_in_chars; i++) |
1976 | { | |
1977 | QUIT; | |
1978 | c = XBOOL_VECTOR (obj)->data[i]; | |
f10fdbfd | 1979 | if (c == '\n' && print_escape_newlines) |
ed2c35ef RS |
1980 | { |
1981 | PRINTCHAR ('\\'); | |
1982 | PRINTCHAR ('n'); | |
1983 | } | |
1984 | else if (c == '\f' && print_escape_newlines) | |
1985 | { | |
1986 | PRINTCHAR ('\\'); | |
1987 | PRINTCHAR ('f'); | |
1988 | } | |
4b5af5e4 AS |
1989 | else if (c > '\177') |
1990 | { | |
1991 | /* Use octal escapes to avoid encoding issues. */ | |
1992 | PRINTCHAR ('\\'); | |
1993 | PRINTCHAR ('0' + ((c >> 6) & 3)); | |
1994 | PRINTCHAR ('0' + ((c >> 3) & 7)); | |
1995 | PRINTCHAR ('0' + (c & 7)); | |
1996 | } | |
ed2c35ef RS |
1997 | else |
1998 | { | |
1999 | if (c == '\"' || c == '\\') | |
2000 | PRINTCHAR ('\\'); | |
2001 | PRINTCHAR (c); | |
2002 | } | |
2003 | } | |
2004 | PRINTCHAR ('\"'); | |
2005 | ||
2006 | UNGCPRO; | |
2007 | } | |
ca0569ad RS |
2008 | else if (SUBRP (obj)) |
2009 | { | |
dc2a0b79 RS |
2010 | strout ("#<subr ", -1, -1, printcharfun, 0); |
2011 | strout (XSUBR (obj)->symbol_name, -1, -1, printcharfun, 0); | |
ca0569ad RS |
2012 | PRINTCHAR ('>'); |
2013 | } | |
ca0569ad RS |
2014 | else if (WINDOWP (obj)) |
2015 | { | |
dc2a0b79 | 2016 | strout ("#<window ", -1, -1, printcharfun, 0); |
474f84d9 | 2017 | sprintf (buf, "%ld", (long) XFASTINT (XWINDOW (obj)->sequence_number)); |
dc2a0b79 | 2018 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
2019 | if (!NILP (XWINDOW (obj)->buffer)) |
2020 | { | |
dc2a0b79 | 2021 | strout (" on ", -1, -1, printcharfun, 0); |
ca0569ad RS |
2022 | print_string (XBUFFER (XWINDOW (obj)->buffer)->name, printcharfun); |
2023 | } | |
2024 | PRINTCHAR ('>'); | |
2025 | } | |
f76c8b1e SM |
2026 | else if (TERMINALP (obj)) |
2027 | { | |
2028 | struct terminal *t = XTERMINAL (obj); | |
2029 | strout ("#<terminal ", -1, -1, printcharfun, 0); | |
2030 | sprintf (buf, "%d", t->id); | |
2031 | strout (buf, -1, -1, printcharfun, 0); | |
2032 | if (t->name) | |
2033 | { | |
2034 | strout (" on ", -1, -1, printcharfun, 0); | |
2035 | strout (t->name, -1, -1, printcharfun, 0); | |
2036 | } | |
2037 | PRINTCHAR ('>'); | |
2038 | } | |
7eb03302 GM |
2039 | else if (HASH_TABLE_P (obj)) |
2040 | { | |
2041 | struct Lisp_Hash_Table *h = XHASH_TABLE (obj); | |
b0ca0f33 | 2042 | int i, real_size, size; |
f19a0f5b | 2043 | #if 0 |
7eb03302 GM |
2044 | strout ("#<hash-table", -1, -1, printcharfun, 0); |
2045 | if (SYMBOLP (h->test)) | |
2046 | { | |
2047 | PRINTCHAR (' '); | |
2048 | PRINTCHAR ('\''); | |
d5db4077 | 2049 | strout (SDATA (SYMBOL_NAME (h->test)), -1, -1, printcharfun, 0); |
7eb03302 | 2050 | PRINTCHAR (' '); |
d5db4077 | 2051 | strout (SDATA (SYMBOL_NAME (h->weak)), -1, -1, printcharfun, 0); |
7eb03302 | 2052 | PRINTCHAR (' '); |
878f97ff | 2053 | sprintf (buf, "%ld/%ld", (long) h->count, |
474f84d9 | 2054 | (long) XVECTOR (h->next)->size); |
7eb03302 GM |
2055 | strout (buf, -1, -1, printcharfun, 0); |
2056 | } | |
2057 | sprintf (buf, " 0x%lx", (unsigned long) h); | |
2058 | strout (buf, -1, -1, printcharfun, 0); | |
2059 | PRINTCHAR ('>'); | |
f19a0f5b TZ |
2060 | #endif |
2061 | /* Implement a readable output, e.g.: | |
2062 | #s(hash-table size 2 test equal data (k1 v1 k2 v2)) */ | |
2063 | /* Always print the size. */ | |
2064 | sprintf (buf, "#s(hash-table size %ld", | |
2065 | (long) XVECTOR (h->next)->size); | |
2066 | strout (buf, -1, -1, printcharfun, 0); | |
2067 | ||
2068 | if (!NILP (h->test)) | |
2069 | { | |
2070 | strout (" test ", -1, -1, printcharfun, 0); | |
2071 | print_object (h->test, printcharfun, 0); | |
2072 | } | |
2073 | ||
2074 | if (!NILP (h->weak)) | |
2075 | { | |
2076 | strout (" weakness ", -1, -1, printcharfun, 0); | |
2077 | print_object (h->weak, printcharfun, 0); | |
2078 | } | |
2079 | ||
2080 | if (!NILP (h->rehash_size)) | |
2081 | { | |
2082 | strout (" rehash-size ", -1, -1, printcharfun, 0); | |
2083 | print_object (h->rehash_size, printcharfun, 0); | |
2084 | } | |
2085 | ||
2086 | if (!NILP (h->rehash_threshold)) | |
2087 | { | |
2088 | strout (" rehash-threshold ", -1, -1, printcharfun, 0); | |
2089 | print_object (h->rehash_threshold, printcharfun, 0); | |
2090 | } | |
2091 | ||
2092 | strout (" data ", -1, -1, printcharfun, 0); | |
2093 | ||
2094 | /* Print the data here as a plist. */ | |
b0ca0f33 DN |
2095 | real_size = HASH_TABLE_SIZE (h); |
2096 | size = real_size; | |
f19a0f5b TZ |
2097 | |
2098 | /* Don't print more elements than the specified maximum. */ | |
2099 | if (NATNUMP (Vprint_length) | |
2100 | && XFASTINT (Vprint_length) < size) | |
2101 | size = XFASTINT (Vprint_length); | |
2102 | ||
2103 | PRINTCHAR ('('); | |
2104 | for (i = 0; i < size; i++) | |
2105 | if (!NILP (HASH_HASH (h, i))) | |
2106 | { | |
2107 | if (i) PRINTCHAR (' '); | |
3ed8bbdc | 2108 | print_object (HASH_KEY (h, i), printcharfun, 1); |
f19a0f5b | 2109 | PRINTCHAR (' '); |
3ed8bbdc | 2110 | print_object (HASH_VALUE (h, i), printcharfun, 1); |
f19a0f5b TZ |
2111 | } |
2112 | ||
2113 | if (size < real_size) | |
2114 | strout (" ...", 4, 4, printcharfun, 0); | |
2115 | ||
2116 | PRINTCHAR (')'); | |
2117 | PRINTCHAR (')'); | |
2118 | ||
7eb03302 | 2119 | } |
908b0ae5 RS |
2120 | else if (BUFFERP (obj)) |
2121 | { | |
2122 | if (NILP (XBUFFER (obj)->name)) | |
dc2a0b79 | 2123 | strout ("#<killed buffer>", -1, -1, printcharfun, 0); |
908b0ae5 RS |
2124 | else if (escapeflag) |
2125 | { | |
dc2a0b79 | 2126 | strout ("#<buffer ", -1, -1, printcharfun, 0); |
908b0ae5 RS |
2127 | print_string (XBUFFER (obj)->name, printcharfun); |
2128 | PRINTCHAR ('>'); | |
2129 | } | |
2130 | else | |
2131 | print_string (XBUFFER (obj)->name, printcharfun); | |
2132 | } | |
ca0569ad RS |
2133 | else if (WINDOW_CONFIGURATIONP (obj)) |
2134 | { | |
dc2a0b79 | 2135 | strout ("#<window-configuration>", -1, -1, printcharfun, 0); |
ca0569ad | 2136 | } |
ca0569ad RS |
2137 | else if (FRAMEP (obj)) |
2138 | { | |
2139 | strout ((FRAME_LIVE_P (XFRAME (obj)) | |
2140 | ? "#<frame " : "#<dead frame "), | |
dc2a0b79 | 2141 | -1, -1, printcharfun, 0); |
ca0569ad | 2142 | print_string (XFRAME (obj)->name, printcharfun); |
aab3aa14 | 2143 | sprintf (buf, " 0x%lx", (unsigned long) (XFRAME (obj))); |
dc2a0b79 | 2144 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
2145 | PRINTCHAR ('>'); |
2146 | } | |
2a7b7982 KH |
2147 | else if (FONTP (obj)) |
2148 | { | |
2149 | EMACS_INT i; | |
2150 | ||
2151 | if (! FONT_OBJECT_P (obj)) | |
2152 | { | |
2153 | if (FONT_SPEC_P (obj)) | |
2154 | strout ("#<font-spec", -1, -1, printcharfun, 0); | |
2155 | else | |
2156 | strout ("#<font-entity", -1, -1, printcharfun, 0); | |
2157 | for (i = 0; i < FONT_SPEC_MAX; i++) | |
2158 | { | |
2159 | PRINTCHAR (' '); | |
2160 | if (i < FONT_WEIGHT_INDEX || i > FONT_WIDTH_INDEX) | |
2161 | print_object (AREF (obj, i), printcharfun, escapeflag); | |
2162 | else | |
2163 | print_object (font_style_symbolic (obj, i, 0), | |
2164 | printcharfun, escapeflag); | |
2165 | } | |
2166 | } | |
2167 | else | |
2168 | { | |
2169 | strout ("#<font-object ", -1, -1, printcharfun, 0); | |
2170 | print_object (AREF (obj, FONT_NAME_INDEX), printcharfun, | |
2171 | escapeflag); | |
2172 | } | |
2173 | PRINTCHAR ('>'); | |
2174 | } | |
ca0569ad RS |
2175 | else |
2176 | { | |
6b61353c | 2177 | EMACS_INT size = XVECTOR (obj)->size; |
ca0569ad RS |
2178 | if (COMPILEDP (obj)) |
2179 | { | |
2180 | PRINTCHAR ('#'); | |
2181 | size &= PSEUDOVECTOR_SIZE_MASK; | |
2182 | } | |
8b4b4467 | 2183 | if (CHAR_TABLE_P (obj) || SUB_CHAR_TABLE_P (obj)) |
ed2c35ef RS |
2184 | { |
2185 | /* We print a char-table as if it were a vector, | |
2186 | lumping the parent and default slots in with the | |
2187 | character slots. But we add #^ as a prefix. */ | |
223509a3 KH |
2188 | |
2189 | /* Make each lowest sub_char_table start a new line. | |
2190 | Otherwise we'll make a line extremely long, which | |
2191 | results in slow redisplay. */ | |
2192 | if (SUB_CHAR_TABLE_P (obj) | |
2193 | && XINT (XSUB_CHAR_TABLE (obj)->depth) == 3) | |
2194 | PRINTCHAR ('\n'); | |
ed2c35ef RS |
2195 | PRINTCHAR ('#'); |
2196 | PRINTCHAR ('^'); | |
3701b5de KH |
2197 | if (SUB_CHAR_TABLE_P (obj)) |
2198 | PRINTCHAR ('^'); | |
ed2c35ef RS |
2199 | size &= PSEUDOVECTOR_SIZE_MASK; |
2200 | } | |
00d76abc KH |
2201 | if (size & PSEUDOVECTOR_FLAG) |
2202 | goto badtype; | |
ca0569ad RS |
2203 | |
2204 | PRINTCHAR ('['); | |
38010d50 | 2205 | { |
ca0569ad RS |
2206 | register int i; |
2207 | register Lisp_Object tem; | |
d6ac884e | 2208 | int real_size = size; |
a40384bc RS |
2209 | |
2210 | /* Don't print more elements than the specified maximum. */ | |
42ac1ed4 GM |
2211 | if (NATNUMP (Vprint_length) |
2212 | && XFASTINT (Vprint_length) < size) | |
2213 | size = XFASTINT (Vprint_length); | |
a40384bc | 2214 | |
ca0569ad RS |
2215 | for (i = 0; i < size; i++) |
2216 | { | |
2217 | if (i) PRINTCHAR (' '); | |
2218 | tem = XVECTOR (obj)->contents[i]; | |
0f25ecc6 | 2219 | print_object (tem, printcharfun, escapeflag); |
ca0569ad | 2220 | } |
d6ac884e KH |
2221 | if (size < real_size) |
2222 | strout (" ...", 4, 4, printcharfun, 0); | |
38010d50 | 2223 | } |
ca0569ad RS |
2224 | PRINTCHAR (']'); |
2225 | } | |
2226 | break; | |
2227 | ||
ca0569ad | 2228 | case Lisp_Misc: |
5db20f08 | 2229 | switch (XMISCTYPE (obj)) |
38010d50 | 2230 | { |
00d76abc | 2231 | case Lisp_Misc_Marker: |
dc2a0b79 | 2232 | strout ("#<marker ", -1, -1, printcharfun, 0); |
087e3c46 KH |
2233 | /* Do you think this is necessary? */ |
2234 | if (XMARKER (obj)->insertion_type != 0) | |
210ebd3d | 2235 | strout ("(moves after insertion) ", -1, -1, printcharfun, 0); |
cd3587c1 | 2236 | if (! XMARKER (obj)->buffer) |
dc2a0b79 | 2237 | strout ("in no buffer", -1, -1, printcharfun, 0); |
ca0569ad RS |
2238 | else |
2239 | { | |
2240 | sprintf (buf, "at %d", marker_position (obj)); | |
dc2a0b79 RS |
2241 | strout (buf, -1, -1, printcharfun, 0); |
2242 | strout (" in ", -1, -1, printcharfun, 0); | |
ca0569ad RS |
2243 | print_string (XMARKER (obj)->buffer->name, printcharfun); |
2244 | } | |
38010d50 | 2245 | PRINTCHAR ('>'); |
908b0ae5 | 2246 | break; |
00d76abc KH |
2247 | |
2248 | case Lisp_Misc_Overlay: | |
dc2a0b79 | 2249 | strout ("#<overlay ", -1, -1, printcharfun, 0); |
cd3587c1 | 2250 | if (! XMARKER (OVERLAY_START (obj))->buffer) |
dc2a0b79 | 2251 | strout ("in no buffer", -1, -1, printcharfun, 0); |
ca0569ad RS |
2252 | else |
2253 | { | |
2254 | sprintf (buf, "from %d to %d in ", | |
2255 | marker_position (OVERLAY_START (obj)), | |
2256 | marker_position (OVERLAY_END (obj))); | |
dc2a0b79 | 2257 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
2258 | print_string (XMARKER (OVERLAY_START (obj))->buffer->name, |
2259 | printcharfun); | |
2260 | } | |
2261 | PRINTCHAR ('>'); | |
908b0ae5 | 2262 | break; |
00d76abc KH |
2263 | |
2264 | /* Remaining cases shouldn't happen in normal usage, but let's print | |
2265 | them anyway for the benefit of the debugger. */ | |
2266 | case Lisp_Misc_Free: | |
dc2a0b79 | 2267 | strout ("#<misc free cell>", -1, -1, printcharfun, 0); |
00d76abc KH |
2268 | break; |
2269 | ||
c069fee4 KS |
2270 | case Lisp_Misc_Save_Value: |
2271 | strout ("#<save_value ", -1, -1, printcharfun, 0); | |
44455197 | 2272 | sprintf(buf, "ptr=0x%08lx int=%d", |
c069fee4 KS |
2273 | (unsigned long) XSAVE_VALUE (obj)->pointer, |
2274 | XSAVE_VALUE (obj)->integer); | |
2275 | strout (buf, -1, -1, printcharfun, 0); | |
2276 | PRINTCHAR ('>'); | |
2277 | break; | |
2278 | ||
00d76abc KH |
2279 | default: |
2280 | goto badtype; | |
e0f93814 | 2281 | } |
00d76abc | 2282 | break; |
ca0569ad RS |
2283 | |
2284 | default: | |
00d76abc | 2285 | badtype: |
ca0569ad RS |
2286 | { |
2287 | /* We're in trouble if this happens! | |
2288 | Probably should just abort () */ | |
dc2a0b79 | 2289 | strout ("#<EMACS BUG: INVALID DATATYPE ", -1, -1, printcharfun, 0); |
00d76abc | 2290 | if (MISCP (obj)) |
5db20f08 | 2291 | sprintf (buf, "(MISC 0x%04x)", (int) XMISCTYPE (obj)); |
00d76abc KH |
2292 | else if (VECTORLIKEP (obj)) |
2293 | sprintf (buf, "(PVEC 0x%08x)", (int) XVECTOR (obj)->size); | |
2294 | else | |
2295 | sprintf (buf, "(0x%02x)", (int) XTYPE (obj)); | |
dc2a0b79 | 2296 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad | 2297 | strout (" Save your buffers immediately and please report this bug>", |
dc2a0b79 | 2298 | -1, -1, printcharfun, 0); |
ca0569ad | 2299 | } |
38010d50 JB |
2300 | } |
2301 | ||
2302 | print_depth--; | |
2303 | } | |
2304 | \f | |
7651e1f5 RS |
2305 | |
2306 | /* Print a description of INTERVAL using PRINTCHARFUN. | |
2307 | This is part of printing a string that has text properties. */ | |
2308 | ||
2309 | void | |
2310 | print_interval (interval, printcharfun) | |
2311 | INTERVAL interval; | |
2312 | Lisp_Object printcharfun; | |
2313 | { | |
71ea13cb KH |
2314 | if (NILP (interval->plist)) |
2315 | return; | |
30503c0b | 2316 | PRINTCHAR (' '); |
0f25ecc6 | 2317 | print_object (make_number (interval->position), printcharfun, 1); |
7651e1f5 | 2318 | PRINTCHAR (' '); |
0f25ecc6 | 2319 | print_object (make_number (interval->position + LENGTH (interval)), |
cd3587c1 | 2320 | printcharfun, 1); |
7651e1f5 | 2321 | PRINTCHAR (' '); |
0f25ecc6 | 2322 | print_object (interval->plist, printcharfun, 1); |
7651e1f5 RS |
2323 | } |
2324 | ||
7651e1f5 | 2325 | \f |
38010d50 JB |
2326 | void |
2327 | syms_of_print () | |
2328 | { | |
d67b4f80 | 2329 | Qtemp_buffer_setup_hook = intern_c_string ("temp-buffer-setup-hook"); |
d9c21094 RS |
2330 | staticpro (&Qtemp_buffer_setup_hook); |
2331 | ||
38010d50 | 2332 | DEFVAR_LISP ("standard-output", &Vstandard_output, |
8c1a1077 PJ |
2333 | doc: /* Output stream `print' uses by default for outputting a character. |
2334 | This may be any function of one argument. | |
2335 | It may also be a buffer (output is inserted before point) | |
2336 | or a marker (output is inserted and the marker is advanced) | |
2337 | or the symbol t (output appears in the echo area). */); | |
38010d50 | 2338 | Vstandard_output = Qt; |
d67b4f80 | 2339 | Qstandard_output = intern_c_string ("standard-output"); |
38010d50 JB |
2340 | staticpro (&Qstandard_output); |
2341 | ||
38010d50 | 2342 | DEFVAR_LISP ("float-output-format", &Vfloat_output_format, |
8c1a1077 PJ |
2343 | doc: /* The format descriptor string used to print floats. |
2344 | This is a %-spec like those accepted by `printf' in C, | |
2345 | but with some restrictions. It must start with the two characters `%.'. | |
2346 | After that comes an integer precision specification, | |
2347 | and then a letter which controls the format. | |
2348 | The letters allowed are `e', `f' and `g'. | |
2349 | Use `e' for exponential notation \"DIG.DIGITSeEXPT\" | |
2350 | Use `f' for decimal point notation \"DIGITS.DIGITS\". | |
2351 | Use `g' to choose the shorter of those two formats for the number at hand. | |
2352 | The precision in any of these cases is the number of digits following | |
2353 | the decimal point. With `f', a precision of 0 means to omit the | |
2354 | decimal point. 0 is not allowed with `e' or `g'. | |
2355 | ||
2356 | A value of nil means to use the shortest notation | |
2357 | that represents the number without losing information. */); | |
38010d50 | 2358 | Vfloat_output_format = Qnil; |
d67b4f80 | 2359 | Qfloat_output_format = intern_c_string ("float-output-format"); |
38010d50 | 2360 | staticpro (&Qfloat_output_format); |
38010d50 JB |
2361 | |
2362 | DEFVAR_LISP ("print-length", &Vprint_length, | |
8c1a1077 PJ |
2363 | doc: /* Maximum length of list to print before abbreviating. |
2364 | A value of nil means no limit. See also `eval-expression-print-length'. */); | |
38010d50 JB |
2365 | Vprint_length = Qnil; |
2366 | ||
2367 | DEFVAR_LISP ("print-level", &Vprint_level, | |
8c1a1077 PJ |
2368 | doc: /* Maximum depth of list nesting to print before abbreviating. |
2369 | A value of nil means no limit. See also `eval-expression-print-level'. */); | |
38010d50 JB |
2370 | Vprint_level = Qnil; |
2371 | ||
2372 | DEFVAR_BOOL ("print-escape-newlines", &print_escape_newlines, | |
8c1a1077 PJ |
2373 | doc: /* Non-nil means print newlines in strings as `\\n'. |
2374 | Also print formfeeds as `\\f'. */); | |
38010d50 JB |
2375 | print_escape_newlines = 0; |
2376 | ||
38940e93 | 2377 | DEFVAR_BOOL ("print-escape-nonascii", &print_escape_nonascii, |
8c1a1077 PJ |
2378 | doc: /* Non-nil means print unibyte non-ASCII chars in strings as \\OOO. |
2379 | \(OOO is the octal representation of the character code.) | |
249c0f71 RS |
2380 | Only single-byte characters are affected, and only in `prin1'. |
2381 | When the output goes in a multibyte buffer, this feature is | |
2382 | enabled regardless of the value of the variable. */); | |
38940e93 RS |
2383 | print_escape_nonascii = 0; |
2384 | ||
835d0be6 | 2385 | DEFVAR_BOOL ("print-escape-multibyte", &print_escape_multibyte, |
8c1a1077 PJ |
2386 | doc: /* Non-nil means print multibyte characters in strings as \\xXXXX. |
2387 | \(XXXX is the hex representation of the character code.) | |
2388 | This affects only `prin1'. */); | |
835d0be6 RS |
2389 | print_escape_multibyte = 0; |
2390 | ||
2f100b5c | 2391 | DEFVAR_BOOL ("print-quoted", &print_quoted, |
8c1a1077 | 2392 | doc: /* Non-nil means print quoted forms with reader syntax. |
db75cb5f | 2393 | I.e., (quote foo) prints as 'foo, (function foo) as #'foo. */); |
2f100b5c EN |
2394 | print_quoted = 0; |
2395 | ||
e0f69431 | 2396 | DEFVAR_LISP ("print-gensym", &Vprint_gensym, |
8c1a1077 PJ |
2397 | doc: /* Non-nil means print uninterned symbols so they will read as uninterned. |
2398 | I.e., the value of (make-symbol \"foobar\") prints as #:foobar. | |
2399 | When the uninterned symbol appears within a recursive data structure, | |
2400 | and the symbol appears more than once, in addition use the #N# and #N= | |
2401 | constructs as needed, so that multiple references to the same symbol are | |
2402 | shared once again when the text is read back. */); | |
e0f69431 RS |
2403 | Vprint_gensym = Qnil; |
2404 | ||
0f25ecc6 | 2405 | DEFVAR_LISP ("print-circle", &Vprint_circle, |
8c1a1077 PJ |
2406 | doc: /* *Non-nil means print recursive structures using #N= and #N# syntax. |
2407 | If nil, printing proceeds recursively and may lead to | |
2408 | `max-lisp-eval-depth' being exceeded or an error may occur: | |
2409 | \"Apparently circular structure being printed.\" Also see | |
2410 | `print-length' and `print-level'. | |
2411 | If non-nil, shared substructures anywhere in the structure are printed | |
2412 | with `#N=' before the first occurrence (in the order of the print | |
2413 | representation) and `#N#' in place of each subsequent occurrence, | |
2414 | where N is a positive decimal integer. */); | |
0f25ecc6 RS |
2415 | Vprint_circle = Qnil; |
2416 | ||
2417 | DEFVAR_LISP ("print-continuous-numbering", &Vprint_continuous_numbering, | |
8c1a1077 PJ |
2418 | doc: /* *Non-nil means number continuously across print calls. |
2419 | This affects the numbers printed for #N= labels and #M# references. | |
2420 | See also `print-circle', `print-gensym', and `print-number-table'. | |
2421 | This variable should not be set with `setq'; bind it with a `let' instead. */); | |
0f25ecc6 RS |
2422 | Vprint_continuous_numbering = Qnil; |
2423 | ||
2424 | DEFVAR_LISP ("print-number-table", &Vprint_number_table, | |
8c1a1077 PJ |
2425 | doc: /* A vector used internally to produce `#N=' labels and `#N#' references. |
2426 | The Lisp printer uses this vector to detect Lisp objects referenced more | |
e6d4cddd RS |
2427 | than once. |
2428 | ||
2429 | When you bind `print-continuous-numbering' to t, you should probably | |
2430 | also bind `print-number-table' to nil. This ensures that the value of | |
2431 | `print-number-table' can be garbage-collected once the printing is | |
2432 | done. If all elements of `print-number-table' are nil, it means that | |
2433 | the printing done so far has not found any shared structure or objects | |
2434 | that need to be recorded in the table. */); | |
0f25ecc6 | 2435 | Vprint_number_table = Qnil; |
081e0581 | 2436 | |
71ea13cb KH |
2437 | DEFVAR_LISP ("print-charset-text-property", &Vprint_charset_text_property, |
2438 | doc: /* A flag to control printing of `charset' text property on printing a string. | |
2439 | The value must be nil, t, or `default'. | |
2440 | ||
2441 | If the value is nil, don't print the text property `charset'. | |
2442 | ||
2443 | If the value is t, always print the text property `charset'. | |
2444 | ||
2445 | If the value is `default', print the text property `charset' only when | |
2446 | the value is different from what is guessed in the current charset | |
dedbd91c | 2447 | priorities. */); |
71ea13cb KH |
2448 | Vprint_charset_text_property = Qdefault; |
2449 | ||
38010d50 JB |
2450 | /* prin1_to_string_buffer initialized in init_buffer_once in buffer.c */ |
2451 | staticpro (&Vprin1_to_string_buffer); | |
2452 | ||
2453 | defsubr (&Sprin1); | |
2454 | defsubr (&Sprin1_to_string); | |
113620cc | 2455 | defsubr (&Serror_message_string); |
38010d50 JB |
2456 | defsubr (&Sprinc); |
2457 | defsubr (&Sprint); | |
2458 | defsubr (&Sterpri); | |
2459 | defsubr (&Swrite_char); | |
2460 | defsubr (&Sexternal_debugging_output); | |
6b61353c KH |
2461 | #ifdef WITH_REDIRECT_DEBUGGING_OUTPUT |
2462 | defsubr (&Sredirect_debugging_output); | |
2463 | #endif | |
38010d50 | 2464 | |
d67b4f80 | 2465 | Qexternal_debugging_output = intern_c_string ("external-debugging-output"); |
38010d50 JB |
2466 | staticpro (&Qexternal_debugging_output); |
2467 | ||
d67b4f80 | 2468 | Qprint_escape_newlines = intern_c_string ("print-escape-newlines"); |
2f100b5c EN |
2469 | staticpro (&Qprint_escape_newlines); |
2470 | ||
d67b4f80 | 2471 | Qprint_escape_multibyte = intern_c_string ("print-escape-multibyte"); |
835d0be6 RS |
2472 | staticpro (&Qprint_escape_multibyte); |
2473 | ||
d67b4f80 | 2474 | Qprint_escape_nonascii = intern_c_string ("print-escape-nonascii"); |
835d0be6 RS |
2475 | staticpro (&Qprint_escape_nonascii); |
2476 | ||
71ea13cb KH |
2477 | print_prune_charset_plist = Qnil; |
2478 | staticpro (&print_prune_charset_plist); | |
2479 | ||
38010d50 | 2480 | defsubr (&Swith_output_to_temp_buffer); |
38010d50 | 2481 | } |
6b61353c KH |
2482 | |
2483 | /* arch-tag: bc797170-94ae-41de-86e3-75e20f8f7a39 | |
2484 | (do not change this comment) */ |