Commit | Line | Data |
---|---|---|
38010d50 | 1 | /* Lisp object printing and output streams. |
9dffd511 RS |
2 | Copyright (C) 1985, 86, 88, 93, 94, 95, 97, 1998 |
3 | Free Software Foundation, Inc. | |
38010d50 JB |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
7 | GNU Emacs is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
4746118a | 9 | the Free Software Foundation; either version 2, or (at your option) |
38010d50 JB |
10 | any later version. |
11 | ||
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU Emacs; see the file COPYING. If not, write to | |
3b7ad313 EN |
19 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
20 | Boston, MA 02111-1307, USA. */ | |
38010d50 JB |
21 | |
22 | ||
18160b98 | 23 | #include <config.h> |
38010d50 | 24 | #include <stdio.h> |
38010d50 | 25 | #include "lisp.h" |
38010d50 | 26 | #include "buffer.h" |
087e3c46 | 27 | #include "charset.h" |
0137dbf7 | 28 | #include "frame.h" |
38010d50 JB |
29 | #include "window.h" |
30 | #include "process.h" | |
31 | #include "dispextern.h" | |
32 | #include "termchar.h" | |
077d751f | 33 | #include "keyboard.h" |
38010d50 | 34 | |
7651e1f5 RS |
35 | #ifdef USE_TEXT_PROPERTIES |
36 | #include "intervals.h" | |
37 | #endif | |
38 | ||
38010d50 JB |
39 | Lisp_Object Vstandard_output, Qstandard_output; |
40 | ||
d9c21094 RS |
41 | Lisp_Object Qtemp_buffer_setup_hook; |
42 | ||
2f100b5c EN |
43 | /* These are used to print like we read. */ |
44 | extern Lisp_Object Qbackquote, Qcomma, Qcomma_at, Qcomma_dot, Qfunction; | |
45 | ||
38010d50 JB |
46 | #ifdef LISP_FLOAT_TYPE |
47 | Lisp_Object Vfloat_output_format, Qfloat_output_format; | |
f356c3fb PE |
48 | |
49 | /* Work around a problem that happens because math.h on hpux 7 | |
50 | defines two static variables--which, in Emacs, are not really static, | |
51 | because `static' is defined as nothing. The problem is that they are | |
52 | defined both here and in lread.c. | |
53 | These macros prevent the name conflict. */ | |
54 | #if defined (HPUX) && !defined (HPUX8) | |
55 | #define _MAXLDBL print_maxldbl | |
56 | #define _NMAXLDBL print_nmaxldbl | |
57 | #endif | |
58 | ||
59 | #include <math.h> | |
60 | ||
61 | #if STDC_HEADERS | |
62 | #include <float.h> | |
63 | #include <stdlib.h> | |
64 | #endif | |
65 | ||
66 | /* Default to values appropriate for IEEE floating point. */ | |
67 | #ifndef FLT_RADIX | |
68 | #define FLT_RADIX 2 | |
69 | #endif | |
70 | #ifndef DBL_MANT_DIG | |
71 | #define DBL_MANT_DIG 53 | |
72 | #endif | |
73 | #ifndef DBL_DIG | |
74 | #define DBL_DIG 15 | |
75 | #endif | |
b0a1044b PE |
76 | #ifndef DBL_MIN |
77 | #define DBL_MIN 2.2250738585072014e-308 | |
78 | #endif | |
79 | ||
80 | #ifdef DBL_MIN_REPLACEMENT | |
81 | #undef DBL_MIN | |
82 | #define DBL_MIN DBL_MIN_REPLACEMENT | |
83 | #endif | |
f356c3fb PE |
84 | |
85 | /* Define DOUBLE_DIGITS_BOUND, an upper bound on the number of decimal digits | |
86 | needed to express a float without losing information. | |
87 | The general-case formula is valid for the usual case, IEEE floating point, | |
88 | but many compilers can't optimize the formula to an integer constant, | |
89 | so make a special case for it. */ | |
90 | #if FLT_RADIX == 2 && DBL_MANT_DIG == 53 | |
91 | #define DOUBLE_DIGITS_BOUND 17 /* IEEE floating point */ | |
92 | #else | |
93 | #define DOUBLE_DIGITS_BOUND ((int) ceil (log10 (pow (FLT_RADIX, DBL_MANT_DIG)))) | |
94 | #endif | |
95 | ||
38010d50 JB |
96 | #endif /* LISP_FLOAT_TYPE */ |
97 | ||
98 | /* Avoid actual stack overflow in print. */ | |
99 | int print_depth; | |
100 | ||
ec838c39 RS |
101 | /* Detect most circularities to print finite output. */ |
102 | #define PRINT_CIRCLE 200 | |
103 | Lisp_Object being_printed[PRINT_CIRCLE]; | |
104 | ||
6fec5601 RS |
105 | /* When printing into a buffer, first we put the text in this |
106 | block, then insert it all at once. */ | |
107 | char *print_buffer; | |
108 | ||
109 | /* Size allocated in print_buffer. */ | |
110 | int print_buffer_size; | |
dc2a0b79 | 111 | /* Chars stored in print_buffer. */ |
6fec5601 | 112 | int print_buffer_pos; |
dc2a0b79 RS |
113 | /* Bytes stored in print_buffer. */ |
114 | int print_buffer_pos_byte; | |
6fec5601 | 115 | |
38010d50 JB |
116 | /* Maximum length of list to print in full; noninteger means |
117 | effectively infinity */ | |
118 | ||
119 | Lisp_Object Vprint_length; | |
120 | ||
121 | /* Maximum depth of list to print in full; noninteger means | |
122 | effectively infinity. */ | |
123 | ||
124 | Lisp_Object Vprint_level; | |
125 | ||
126 | /* Nonzero means print newlines in strings as \n. */ | |
127 | ||
128 | int print_escape_newlines; | |
129 | ||
38940e93 RS |
130 | /* Nonzero means to print single-byte non-ascii characters in strings as |
131 | octal escapes. */ | |
132 | ||
133 | int print_escape_nonascii; | |
134 | ||
835d0be6 RS |
135 | /* Nonzero means to print multibyte characters in strings as hex escapes. */ |
136 | ||
137 | int print_escape_multibyte; | |
138 | ||
139 | Lisp_Object Qprint_escape_newlines; | |
140 | Lisp_Object Qprint_escape_multibyte, Qprint_escape_nonascii; | |
141 | ||
2f100b5c EN |
142 | /* Nonzero means print (quote foo) forms as 'foo, etc. */ |
143 | ||
144 | int print_quoted; | |
145 | ||
e0f69431 RS |
146 | /* Non-nil means print #: before uninterned symbols. |
147 | Neither t nor nil means so that and don't clear Vprint_gensym_alist | |
148 | on entry to and exit from print functions. */ | |
081e0581 | 149 | |
e0f69431 | 150 | Lisp_Object Vprint_gensym; |
081e0581 EN |
151 | |
152 | /* Association list of certain objects that are `eq' in the form being | |
153 | printed and which should be `eq' when read back in, using the #n=object | |
154 | and #n# reader forms. Each element has the form (object . n). */ | |
155 | ||
e0f69431 | 156 | Lisp_Object Vprint_gensym_alist; |
2f100b5c | 157 | |
5259c737 | 158 | /* Nonzero means print newline to stdout before next minibuffer message. |
38010d50 JB |
159 | Defined in xdisp.c */ |
160 | ||
161 | extern int noninteractive_need_newline; | |
5259c737 | 162 | |
aec2b95b RS |
163 | extern int minibuffer_auto_raise; |
164 | ||
38010d50 JB |
165 | #ifdef MAX_PRINT_CHARS |
166 | static int print_chars; | |
167 | static int max_print; | |
168 | #endif /* MAX_PRINT_CHARS */ | |
7651e1f5 RS |
169 | |
170 | void print_interval (); | |
38010d50 | 171 | |
38010d50 | 172 | \f |
eb8c3be9 | 173 | /* Low level output routines for characters and strings */ |
38010d50 JB |
174 | |
175 | /* Lisp functions to do output using a stream | |
081e0581 EN |
176 | must have the stream in a variable called printcharfun |
177 | and must start with PRINTPREPARE, end with PRINTFINISH, | |
178 | and use PRINTDECLARE to declare common variables. | |
179 | Use PRINTCHAR to output one character, | |
0788646c GM |
180 | or call strout to output a block of characters. */ |
181 | ||
182 | #define PRINTDECLARE \ | |
183 | struct buffer *old = current_buffer; \ | |
184 | int old_point = -1, start_point; \ | |
185 | int old_point_byte, start_point_byte; \ | |
186 | int specpdl_count = specpdl_ptr - specpdl; \ | |
187 | int free_print_buffer = 0; \ | |
188 | int multibyte = !NILP (current_buffer->enable_multibyte_characters); \ | |
081e0581 EN |
189 | Lisp_Object original |
190 | ||
0788646c GM |
191 | #define PRINTPREPARE \ |
192 | original = printcharfun; \ | |
193 | if (NILP (printcharfun)) printcharfun = Qt; \ | |
194 | if (BUFFERP (printcharfun)) \ | |
195 | { \ | |
196 | if (XBUFFER (printcharfun) != current_buffer) \ | |
197 | Fset_buffer (printcharfun); \ | |
198 | printcharfun = Qnil; \ | |
199 | } \ | |
200 | if (MARKERP (printcharfun)) \ | |
201 | { \ | |
202 | if (!(XMARKER (original)->buffer)) \ | |
203 | error ("Marker does not point anywhere"); \ | |
204 | if (XMARKER (original)->buffer != current_buffer) \ | |
205 | set_buffer_internal (XMARKER (original)->buffer); \ | |
206 | old_point = PT; \ | |
207 | old_point_byte = PT_BYTE; \ | |
208 | SET_PT_BOTH (marker_position (printcharfun), \ | |
209 | marker_byte_position (printcharfun)); \ | |
210 | start_point = PT; \ | |
211 | start_point_byte = PT_BYTE; \ | |
212 | printcharfun = Qnil; \ | |
213 | } \ | |
214 | if (NILP (printcharfun)) \ | |
215 | { \ | |
216 | Lisp_Object string; \ | |
217 | if (NILP (current_buffer->enable_multibyte_characters) \ | |
218 | && ! print_escape_multibyte) \ | |
219 | specbind (Qprint_escape_multibyte, Qt); \ | |
220 | if (! NILP (current_buffer->enable_multibyte_characters) \ | |
221 | && ! print_escape_nonascii) \ | |
222 | specbind (Qprint_escape_nonascii, Qt); \ | |
223 | if (print_buffer != 0) \ | |
224 | { \ | |
225 | string = make_string_from_bytes (print_buffer, \ | |
226 | print_buffer_pos, \ | |
227 | print_buffer_pos_byte); \ | |
228 | record_unwind_protect (print_unwind, string); \ | |
229 | } \ | |
230 | else \ | |
231 | { \ | |
232 | print_buffer_size = 1000; \ | |
233 | print_buffer = (char *) xmalloc (print_buffer_size); \ | |
234 | free_print_buffer = 1; \ | |
235 | } \ | |
236 | print_buffer_pos = 0; \ | |
237 | print_buffer_pos_byte = 0; \ | |
238 | } \ | |
239 | if (EQ (printcharfun, Qt)) \ | |
240 | setup_echo_area_for_printing (multibyte); \ | |
241 | if (!CONSP (Vprint_gensym)) \ | |
e0f69431 | 242 | Vprint_gensym_alist = Qnil |
38010d50 | 243 | |
8a2ab0c6 RS |
244 | #define PRINTFINISH \ |
245 | if (NILP (printcharfun)) \ | |
246 | { \ | |
247 | if (print_buffer_pos != print_buffer_pos_byte \ | |
248 | && NILP (current_buffer->enable_multibyte_characters)) \ | |
249 | { \ | |
250 | unsigned char *temp \ | |
251 | = (unsigned char *) alloca (print_buffer_pos + 1); \ | |
252 | copy_text (print_buffer, temp, print_buffer_pos_byte, \ | |
253 | 1, 0); \ | |
254 | insert_1_both (temp, print_buffer_pos, \ | |
255 | print_buffer_pos, 0, 1, 0); \ | |
256 | } \ | |
257 | else \ | |
258 | insert_1_both (print_buffer, print_buffer_pos, \ | |
259 | print_buffer_pos_byte, 0, 1, 0); \ | |
260 | } \ | |
261 | if (free_print_buffer) \ | |
262 | { \ | |
263 | xfree (print_buffer); \ | |
264 | print_buffer = 0; \ | |
265 | } \ | |
266 | unbind_to (specpdl_count, Qnil); \ | |
267 | if (MARKERP (original)) \ | |
268 | set_marker_both (original, Qnil, PT, PT_BYTE); \ | |
269 | if (old_point >= 0) \ | |
270 | SET_PT_BOTH (old_point + (old_point >= start_point \ | |
271 | ? PT - start_point : 0), \ | |
6ddd6eee RS |
272 | old_point_byte + (old_point_byte >= start_point_byte \ |
273 | ? PT_BYTE - start_point_byte : 0)); \ | |
8a2ab0c6 RS |
274 | if (old != current_buffer) \ |
275 | set_buffer_internal (old); \ | |
276 | if (!CONSP (Vprint_gensym)) \ | |
e0f69431 | 277 | Vprint_gensym_alist = Qnil |
38010d50 JB |
278 | |
279 | #define PRINTCHAR(ch) printchar (ch, printcharfun) | |
280 | ||
09eddb56 RS |
281 | /* Nonzero if there is no room to print any more characters |
282 | so print might as well return right away. */ | |
283 | ||
284 | #define PRINTFULLP() \ | |
285 | (EQ (printcharfun, Qt) && !noninteractive \ | |
286 | && printbufidx >= FRAME_WIDTH (XFRAME (WINDOW_FRAME (XWINDOW (minibuf_window))))) | |
287 | ||
08e8d297 RS |
288 | /* This is used to restore the saved contents of print_buffer |
289 | when there is a recursive call to print. */ | |
0788646c | 290 | |
08e8d297 RS |
291 | static Lisp_Object |
292 | print_unwind (saved_text) | |
293 | Lisp_Object saved_text; | |
294 | { | |
295 | bcopy (XSTRING (saved_text)->data, print_buffer, XSTRING (saved_text)->size); | |
296 | } | |
297 | ||
0788646c GM |
298 | |
299 | /* Print character CH using method FUN. FUN nil means print to | |
300 | print_buffer. FUN t means print to echo area or stdout if | |
301 | non-interactive. If FUN is neither nil nor t, call FUN with CH as | |
302 | argument. */ | |
38010d50 JB |
303 | |
304 | static void | |
305 | printchar (ch, fun) | |
087e3c46 | 306 | unsigned int ch; |
38010d50 JB |
307 | Lisp_Object fun; |
308 | { | |
38010d50 JB |
309 | #ifdef MAX_PRINT_CHARS |
310 | if (max_print) | |
311 | print_chars++; | |
312 | #endif /* MAX_PRINT_CHARS */ | |
38010d50 | 313 | |
0788646c GM |
314 | if (!NILP (fun) && !EQ (fun, Qt)) |
315 | call1 (fun, make_number (ch)); | |
316 | else | |
38010d50 | 317 | { |
087e3c46 KH |
318 | unsigned char work[4], *str; |
319 | int len = CHAR_STRING (ch, work, str); | |
0788646c | 320 | |
09eddb56 | 321 | QUIT; |
0788646c GM |
322 | |
323 | if (NILP (fun)) | |
9a4d01d8 | 324 | { |
0788646c GM |
325 | if (print_buffer_pos_byte + len >= print_buffer_size) |
326 | print_buffer = (char *) xrealloc (print_buffer, | |
327 | print_buffer_size *= 2); | |
328 | bcopy (str, print_buffer + print_buffer_pos_byte, len); | |
329 | print_buffer_pos += 1; | |
330 | print_buffer_pos_byte += len; | |
9a4d01d8 | 331 | } |
0788646c | 332 | else if (noninteractive) |
1134b854 | 333 | { |
0788646c GM |
334 | fwrite (str, 1, len, stdout); |
335 | noninteractive_need_newline = 1; | |
1134b854 | 336 | } |
0788646c | 337 | else |
d366d2e4 | 338 | { |
0788646c GM |
339 | int multibyte_p |
340 | = !NILP (current_buffer->enable_multibyte_characters); | |
341 | ||
342 | if (!message_buf_print) | |
343 | setup_echo_area_for_printing (multibyte_p); | |
344 | ||
345 | insert_char (ch); | |
346 | message_dolog (str, len, 0, multibyte_p); | |
d366d2e4 | 347 | } |
38010d50 | 348 | } |
38010d50 JB |
349 | } |
350 | ||
0788646c GM |
351 | |
352 | /* Output SIZE characters, SIZE_BYTE bytes from string PTR using | |
353 | method PRINTCHARFUN. If SIZE < 0, use the string length of PTR for | |
354 | both SIZE and SIZE_BYTE. PRINTCHARFUN nil means output to | |
355 | print_buffer. PRINTCHARFUN t means output to the echo area or to | |
356 | stdout if non-interactive. If neither nil nor t, call Lisp | |
357 | function PRINTCHARFUN for each character printed. MULTIBYTE | |
358 | non-zero means PTR contains multibyte characters. */ | |
359 | ||
38010d50 | 360 | static void |
dc2a0b79 | 361 | strout (ptr, size, size_byte, printcharfun, multibyte) |
38010d50 | 362 | char *ptr; |
dc2a0b79 | 363 | int size, size_byte; |
38010d50 | 364 | Lisp_Object printcharfun; |
dc2a0b79 | 365 | int multibyte; |
38010d50 | 366 | { |
087e3c46 | 367 | if (size < 0) |
dc2a0b79 | 368 | size_byte = size = strlen (ptr); |
087e3c46 | 369 | |
0788646c | 370 | if (NILP (printcharfun)) |
38010d50 | 371 | { |
dc2a0b79 | 372 | if (print_buffer_pos_byte + size_byte > print_buffer_size) |
6fec5601 | 373 | { |
dc2a0b79 | 374 | print_buffer_size = print_buffer_size * 2 + size_byte; |
6fec5601 RS |
375 | print_buffer = (char *) xrealloc (print_buffer, |
376 | print_buffer_size); | |
377 | } | |
dc2a0b79 | 378 | bcopy (ptr, print_buffer + print_buffer_pos_byte, size_byte); |
6fec5601 | 379 | print_buffer_pos += size; |
dc2a0b79 | 380 | print_buffer_pos_byte += size_byte; |
6fec5601 | 381 | |
38010d50 JB |
382 | #ifdef MAX_PRINT_CHARS |
383 | if (max_print) | |
6fec5601 | 384 | print_chars += size; |
38010d50 | 385 | #endif /* MAX_PRINT_CHARS */ |
38010d50 | 386 | } |
0788646c | 387 | else if (noninteractive) |
38010d50 | 388 | { |
0788646c GM |
389 | fwrite (ptr, 1, size_byte, stdout); |
390 | noninteractive_need_newline = 1; | |
391 | } | |
392 | else if (EQ (printcharfun, Qt)) | |
393 | { | |
394 | /* Output to echo area. We're trying to avoid a little overhead | |
395 | here, that's the reason we don't call printchar to do the | |
396 | job. */ | |
397 | int i; | |
398 | int multibyte_p | |
399 | = !NILP (current_buffer->enable_multibyte_characters); | |
400 | ||
401 | if (!message_buf_print) | |
402 | setup_echo_area_for_printing (multibyte_p); | |
403 | ||
404 | message_dolog (ptr, size_byte, 0, multibyte_p); | |
405 | ||
406 | if (size == size_byte) | |
38010d50 | 407 | { |
0788646c GM |
408 | for (i = 0; i < size; ++i) |
409 | insert_char (*ptr++); | |
38010d50 | 410 | } |
0788646c | 411 | else |
38010d50 | 412 | { |
0788646c GM |
413 | int len; |
414 | for (i = 0; i < size_byte; i += len) | |
aec2b95b | 415 | { |
0788646c GM |
416 | int ch = STRING_CHAR_AND_LENGTH (ptr + i, size_byte - i, len); |
417 | insert_char (ch); | |
aec2b95b | 418 | } |
38010d50 | 419 | } |
0788646c GM |
420 | |
421 | #ifdef MAX_PRINT_CHARS | |
422 | if (max_print) | |
423 | print_chars += size; | |
424 | #endif /* MAX_PRINT_CHARS */ | |
425 | } | |
426 | else | |
427 | { | |
428 | /* PRINTCHARFUN is a Lisp function. */ | |
429 | int i = 0; | |
38010d50 | 430 | |
0788646c | 431 | if (size == size_byte) |
4ad8bb20 | 432 | { |
0788646c | 433 | while (i < size_byte) |
4ad8bb20 | 434 | { |
0788646c GM |
435 | int ch = ptr[i++]; |
436 | PRINTCHAR (ch); | |
4ad8bb20 | 437 | } |
4ad8bb20 | 438 | } |
0788646c | 439 | else |
087e3c46 | 440 | { |
0788646c GM |
441 | while (i < size_byte) |
442 | { | |
443 | /* Here, we must convert each multi-byte form to the | |
444 | corresponding character code before handing it to | |
445 | PRINTCHAR. */ | |
446 | int len; | |
447 | int ch = STRING_CHAR_AND_LENGTH (ptr + i, size_byte - i, len); | |
448 | PRINTCHAR (ch); | |
449 | i += len; | |
450 | } | |
087e3c46 | 451 | } |
38010d50 | 452 | } |
38010d50 JB |
453 | } |
454 | ||
455 | /* Print the contents of a string STRING using PRINTCHARFUN. | |
ed2c35ef RS |
456 | It isn't safe to use strout in many cases, |
457 | because printing one char can relocate. */ | |
38010d50 | 458 | |
dc2a0b79 | 459 | static void |
38010d50 JB |
460 | print_string (string, printcharfun) |
461 | Lisp_Object string; | |
462 | Lisp_Object printcharfun; | |
463 | { | |
6fec5601 | 464 | if (EQ (printcharfun, Qt) || NILP (printcharfun)) |
375fcc09 KH |
465 | { |
466 | int chars; | |
467 | ||
468 | if (STRING_MULTIBYTE (string)) | |
469 | chars = XSTRING (string)->size; | |
470 | else if (EQ (printcharfun, Qt) | |
471 | ? ! NILP (buffer_defaults.enable_multibyte_characters) | |
472 | : ! NILP (current_buffer->enable_multibyte_characters)) | |
473 | chars = multibyte_chars_in_text (XSTRING (string)->data, | |
474 | STRING_BYTES (XSTRING (string))); | |
475 | else | |
476 | chars = STRING_BYTES (XSTRING (string)); | |
477 | ||
478 | /* strout is safe for output to a frame (echo area) or to print_buffer. */ | |
479 | strout (XSTRING (string)->data, | |
480 | chars, STRING_BYTES (XSTRING (string)), | |
481 | printcharfun, STRING_MULTIBYTE (string)); | |
482 | } | |
38010d50 JB |
483 | else |
484 | { | |
dc2a0b79 RS |
485 | /* Otherwise, string may be relocated by printing one char. |
486 | So re-fetch the string address for each character. */ | |
38010d50 JB |
487 | int i; |
488 | int size = XSTRING (string)->size; | |
fc932ac6 | 489 | int size_byte = STRING_BYTES (XSTRING (string)); |
38010d50 JB |
490 | struct gcpro gcpro1; |
491 | GCPRO1 (string); | |
dc2a0b79 RS |
492 | if (size == size_byte) |
493 | for (i = 0; i < size; i++) | |
494 | PRINTCHAR (XSTRING (string)->data[i]); | |
495 | else | |
496 | for (i = 0; i < size_byte; i++) | |
497 | { | |
498 | /* Here, we must convert each multi-byte form to the | |
499 | corresponding character code before handing it to PRINTCHAR. */ | |
500 | int len; | |
765fe1d0 KH |
501 | int ch = STRING_CHAR_AND_LENGTH (XSTRING (string)->data + i, |
502 | size_byte - i, len); | |
da1ad4e7 KH |
503 | if (!CHAR_VALID_P (ch, 0)) |
504 | { | |
505 | ch = XSTRING (string)->data[i]; | |
506 | len = 1; | |
507 | } | |
dc2a0b79 RS |
508 | PRINTCHAR (ch); |
509 | i += len; | |
510 | } | |
38010d50 JB |
511 | UNGCPRO; |
512 | } | |
513 | } | |
514 | \f | |
515 | DEFUN ("write-char", Fwrite_char, Swrite_char, 1, 2, 0, | |
3738a371 | 516 | "Output character CHARACTER to stream PRINTCHARFUN.\n\ |
57c9eb68 | 517 | PRINTCHARFUN defaults to the value of `standard-output' (which see).") |
3738a371 EN |
518 | (character, printcharfun) |
519 | Lisp_Object character, printcharfun; | |
38010d50 | 520 | { |
081e0581 | 521 | PRINTDECLARE; |
38010d50 | 522 | |
10eebdbb | 523 | if (NILP (printcharfun)) |
38010d50 | 524 | printcharfun = Vstandard_output; |
3738a371 | 525 | CHECK_NUMBER (character, 0); |
38010d50 | 526 | PRINTPREPARE; |
3738a371 | 527 | PRINTCHAR (XINT (character)); |
38010d50 | 528 | PRINTFINISH; |
3738a371 | 529 | return character; |
38010d50 JB |
530 | } |
531 | ||
dc2a0b79 RS |
532 | /* Used from outside of print.c to print a block of SIZE |
533 | single-byte chars at DATA on the default output stream. | |
38010d50 JB |
534 | Do not use this on the contents of a Lisp string. */ |
535 | ||
dc22f25e | 536 | void |
38010d50 JB |
537 | write_string (data, size) |
538 | char *data; | |
539 | int size; | |
540 | { | |
081e0581 | 541 | PRINTDECLARE; |
38010d50 | 542 | Lisp_Object printcharfun; |
38010d50 JB |
543 | |
544 | printcharfun = Vstandard_output; | |
545 | ||
546 | PRINTPREPARE; | |
dc2a0b79 | 547 | strout (data, size, size, printcharfun, 0); |
38010d50 JB |
548 | PRINTFINISH; |
549 | } | |
550 | ||
dc2a0b79 RS |
551 | /* Used from outside of print.c to print a block of SIZE |
552 | single-byte chars at DATA on a specified stream PRINTCHARFUN. | |
38010d50 JB |
553 | Do not use this on the contents of a Lisp string. */ |
554 | ||
dc22f25e | 555 | void |
38010d50 JB |
556 | write_string_1 (data, size, printcharfun) |
557 | char *data; | |
558 | int size; | |
559 | Lisp_Object printcharfun; | |
560 | { | |
081e0581 | 561 | PRINTDECLARE; |
38010d50 JB |
562 | |
563 | PRINTPREPARE; | |
dc2a0b79 | 564 | strout (data, size, size, printcharfun, 0); |
38010d50 JB |
565 | PRINTFINISH; |
566 | } | |
567 | ||
568 | ||
38010d50 JB |
569 | void |
570 | temp_output_buffer_setup (bufname) | |
571 | char *bufname; | |
572 | { | |
d9c21094 | 573 | int count = specpdl_ptr - specpdl; |
38010d50 JB |
574 | register struct buffer *old = current_buffer; |
575 | register Lisp_Object buf; | |
576 | ||
d9c21094 RS |
577 | record_unwind_protect (set_buffer_if_live, Fcurrent_buffer ()); |
578 | ||
38010d50 JB |
579 | Fset_buffer (Fget_buffer_create (build_string (bufname))); |
580 | ||
2a1c968a | 581 | current_buffer->directory = old->directory; |
38010d50 | 582 | current_buffer->read_only = Qnil; |
c5c6d57c KH |
583 | current_buffer->filename = Qnil; |
584 | current_buffer->undo_list = Qt; | |
585 | current_buffer->overlays_before = Qnil; | |
586 | current_buffer->overlays_after = Qnil; | |
587 | current_buffer->enable_multibyte_characters | |
588 | = buffer_defaults.enable_multibyte_characters; | |
38010d50 | 589 | Ferase_buffer (); |
633307b5 | 590 | XSETBUFFER (buf, current_buffer); |
38010d50 | 591 | |
d9c21094 RS |
592 | call1 (Vrun_hooks, Qtemp_buffer_setup_hook); |
593 | ||
594 | unbind_to (count, Qnil); | |
595 | ||
596 | specbind (Qstandard_output, buf); | |
38010d50 JB |
597 | } |
598 | ||
599 | Lisp_Object | |
600 | internal_with_output_to_temp_buffer (bufname, function, args) | |
601 | char *bufname; | |
dfcf069d | 602 | Lisp_Object (*function) P_ ((Lisp_Object)); |
38010d50 JB |
603 | Lisp_Object args; |
604 | { | |
605 | int count = specpdl_ptr - specpdl; | |
606 | Lisp_Object buf, val; | |
0ab39c81 | 607 | struct gcpro gcpro1; |
38010d50 | 608 | |
0ab39c81 | 609 | GCPRO1 (args); |
38010d50 JB |
610 | record_unwind_protect (Fset_buffer, Fcurrent_buffer ()); |
611 | temp_output_buffer_setup (bufname); | |
612 | buf = Vstandard_output; | |
0ab39c81 | 613 | UNGCPRO; |
38010d50 JB |
614 | |
615 | val = (*function) (args); | |
616 | ||
0ab39c81 | 617 | GCPRO1 (val); |
38010d50 | 618 | temp_output_buffer_show (buf); |
0ab39c81 | 619 | UNGCPRO; |
38010d50 JB |
620 | |
621 | return unbind_to (count, val); | |
622 | } | |
623 | ||
624 | DEFUN ("with-output-to-temp-buffer", Fwith_output_to_temp_buffer, Swith_output_to_temp_buffer, | |
625 | 1, UNEVALLED, 0, | |
626 | "Bind `standard-output' to buffer BUFNAME, eval BODY, then show that buffer.\n\ | |
627 | The buffer is cleared out initially, and marked as unmodified when done.\n\ | |
628 | All output done by BODY is inserted in that buffer by default.\n\ | |
629 | The buffer is displayed in another window, but not selected.\n\ | |
630 | The value of the last form in BODY is returned.\n\ | |
d9c21094 RS |
631 | If BODY does not finish normally, the buffer BUFNAME is not displayed.\n\ |
632 | \n\ | |
633 | The hook `temp-buffer-setup-hook' is run before BODY,\n\ | |
634 | with the buffer BUFNAME temporarily current.\n\ | |
635 | The hook `temp-buffer-show-hook' is run after the buffer is displayed,\n\ | |
636 | with the buffer temporarily current, and the window that was used\n\ | |
637 | to display it temporarily selected.\n\ | |
638 | \n\ | |
483288d7 | 639 | If variable `temp-buffer-show-function' is non-nil, call it at the end\n\ |
451f7df8 DL |
640 | to get the buffer displayed instead of just displaying the non-selected\n\ |
641 | buffer and calling the hook. It gets one argument, the buffer to display.") | |
38010d50 JB |
642 | (args) |
643 | Lisp_Object args; | |
644 | { | |
645 | struct gcpro gcpro1; | |
646 | Lisp_Object name; | |
647 | int count = specpdl_ptr - specpdl; | |
648 | Lisp_Object buf, val; | |
649 | ||
650 | GCPRO1(args); | |
651 | name = Feval (Fcar (args)); | |
652 | UNGCPRO; | |
653 | ||
654 | CHECK_STRING (name, 0); | |
655 | temp_output_buffer_setup (XSTRING (name)->data); | |
656 | buf = Vstandard_output; | |
657 | ||
658 | val = Fprogn (Fcdr (args)); | |
659 | ||
660 | temp_output_buffer_show (buf); | |
661 | ||
662 | return unbind_to (count, val); | |
663 | } | |
0788646c | 664 | |
38010d50 JB |
665 | \f |
666 | static void print (); | |
667 | ||
668 | DEFUN ("terpri", Fterpri, Sterpri, 0, 1, 0, | |
57c9eb68 KH |
669 | "Output a newline to stream PRINTCHARFUN.\n\ |
670 | If PRINTCHARFUN is omitted or nil, the value of `standard-output' is used.") | |
38010d50 JB |
671 | (printcharfun) |
672 | Lisp_Object printcharfun; | |
673 | { | |
081e0581 | 674 | PRINTDECLARE; |
38010d50 | 675 | |
10eebdbb | 676 | if (NILP (printcharfun)) |
38010d50 JB |
677 | printcharfun = Vstandard_output; |
678 | PRINTPREPARE; | |
679 | PRINTCHAR ('\n'); | |
680 | PRINTFINISH; | |
681 | return Qt; | |
682 | } | |
683 | ||
684 | DEFUN ("prin1", Fprin1, Sprin1, 1, 2, 0, | |
685 | "Output the printed representation of OBJECT, any Lisp object.\n\ | |
686 | Quoting characters are printed when needed to make output that `read'\n\ | |
687 | can handle, whenever this is possible.\n\ | |
57c9eb68 | 688 | Output stream is PRINTCHARFUN, or value of `standard-output' (which see).") |
3738a371 EN |
689 | (object, printcharfun) |
690 | Lisp_Object object, printcharfun; | |
38010d50 | 691 | { |
081e0581 | 692 | PRINTDECLARE; |
38010d50 JB |
693 | |
694 | #ifdef MAX_PRINT_CHARS | |
695 | max_print = 0; | |
696 | #endif /* MAX_PRINT_CHARS */ | |
10eebdbb | 697 | if (NILP (printcharfun)) |
38010d50 JB |
698 | printcharfun = Vstandard_output; |
699 | PRINTPREPARE; | |
700 | print_depth = 0; | |
3738a371 | 701 | print (object, printcharfun, 1); |
38010d50 | 702 | PRINTFINISH; |
3738a371 | 703 | return object; |
38010d50 JB |
704 | } |
705 | ||
706 | /* a buffer which is used to hold output being built by prin1-to-string */ | |
707 | Lisp_Object Vprin1_to_string_buffer; | |
708 | ||
709 | DEFUN ("prin1-to-string", Fprin1_to_string, Sprin1_to_string, 1, 2, 0, | |
710 | "Return a string containing the printed representation of OBJECT,\n\ | |
711 | any Lisp object. Quoting characters are used when needed to make output\n\ | |
712 | that `read' can handle, whenever this is possible, unless the optional\n\ | |
713 | second argument NOESCAPE is non-nil.") | |
3738a371 EN |
714 | (object, noescape) |
715 | Lisp_Object object, noescape; | |
38010d50 | 716 | { |
081e0581 EN |
717 | PRINTDECLARE; |
718 | Lisp_Object printcharfun; | |
2a42e8f6 KH |
719 | struct gcpro gcpro1, gcpro2; |
720 | Lisp_Object tem; | |
721 | ||
722 | /* Save and restore this--we are altering a buffer | |
723 | but we don't want to deactivate the mark just for that. | |
724 | No need for specbind, since errors deactivate the mark. */ | |
725 | tem = Vdeactivate_mark; | |
726 | GCPRO2 (object, tem); | |
38010d50 JB |
727 | |
728 | printcharfun = Vprin1_to_string_buffer; | |
729 | PRINTPREPARE; | |
730 | print_depth = 0; | |
3738a371 | 731 | print (object, printcharfun, NILP (noescape)); |
38010d50 JB |
732 | /* Make Vprin1_to_string_buffer be the default buffer after PRINTFINSH */ |
733 | PRINTFINISH; | |
734 | set_buffer_internal (XBUFFER (Vprin1_to_string_buffer)); | |
3738a371 | 735 | object = Fbuffer_string (); |
38010d50 | 736 | |
38010d50 JB |
737 | Ferase_buffer (); |
738 | set_buffer_internal (old); | |
2a42e8f6 KH |
739 | |
740 | Vdeactivate_mark = tem; | |
38010d50 JB |
741 | UNGCPRO; |
742 | ||
3738a371 | 743 | return object; |
38010d50 JB |
744 | } |
745 | ||
746 | DEFUN ("princ", Fprinc, Sprinc, 1, 2, 0, | |
747 | "Output the printed representation of OBJECT, any Lisp object.\n\ | |
748 | No quoting characters are used; no delimiters are printed around\n\ | |
749 | the contents of strings.\n\ | |
57c9eb68 | 750 | Output stream is PRINTCHARFUN, or value of standard-output (which see).") |
3738a371 EN |
751 | (object, printcharfun) |
752 | Lisp_Object object, printcharfun; | |
38010d50 | 753 | { |
081e0581 | 754 | PRINTDECLARE; |
38010d50 | 755 | |
10eebdbb | 756 | if (NILP (printcharfun)) |
38010d50 JB |
757 | printcharfun = Vstandard_output; |
758 | PRINTPREPARE; | |
759 | print_depth = 0; | |
3738a371 | 760 | print (object, printcharfun, 0); |
38010d50 | 761 | PRINTFINISH; |
3738a371 | 762 | return object; |
38010d50 JB |
763 | } |
764 | ||
765 | DEFUN ("print", Fprint, Sprint, 1, 2, 0, | |
766 | "Output the printed representation of OBJECT, with newlines around it.\n\ | |
767 | Quoting characters are printed when needed to make output that `read'\n\ | |
768 | can handle, whenever this is possible.\n\ | |
57c9eb68 | 769 | Output stream is PRINTCHARFUN, or value of `standard-output' (which see).") |
3738a371 EN |
770 | (object, printcharfun) |
771 | Lisp_Object object, printcharfun; | |
38010d50 | 772 | { |
081e0581 | 773 | PRINTDECLARE; |
38010d50 JB |
774 | struct gcpro gcpro1; |
775 | ||
776 | #ifdef MAX_PRINT_CHARS | |
777 | print_chars = 0; | |
778 | max_print = MAX_PRINT_CHARS; | |
779 | #endif /* MAX_PRINT_CHARS */ | |
10eebdbb | 780 | if (NILP (printcharfun)) |
38010d50 | 781 | printcharfun = Vstandard_output; |
3738a371 | 782 | GCPRO1 (object); |
38010d50 JB |
783 | PRINTPREPARE; |
784 | print_depth = 0; | |
785 | PRINTCHAR ('\n'); | |
3738a371 | 786 | print (object, printcharfun, 1); |
38010d50 JB |
787 | PRINTCHAR ('\n'); |
788 | PRINTFINISH; | |
789 | #ifdef MAX_PRINT_CHARS | |
790 | max_print = 0; | |
791 | print_chars = 0; | |
792 | #endif /* MAX_PRINT_CHARS */ | |
793 | UNGCPRO; | |
3738a371 | 794 | return object; |
38010d50 JB |
795 | } |
796 | ||
797 | /* The subroutine object for external-debugging-output is kept here | |
798 | for the convenience of the debugger. */ | |
799 | Lisp_Object Qexternal_debugging_output; | |
800 | ||
4746118a JB |
801 | DEFUN ("external-debugging-output", Fexternal_debugging_output, Sexternal_debugging_output, 1, 1, 0, |
802 | "Write CHARACTER to stderr.\n\ | |
38010d50 JB |
803 | You can call print while debugging emacs, and pass it this function\n\ |
804 | to make it write to the debugging output.\n") | |
4746118a JB |
805 | (character) |
806 | Lisp_Object character; | |
38010d50 JB |
807 | { |
808 | CHECK_NUMBER (character, 0); | |
809 | putc (XINT (character), stderr); | |
cd22039d RS |
810 | |
811 | #ifdef WINDOWSNT | |
812 | /* Send the output to a debugger (nothing happens if there isn't one). */ | |
813 | { | |
814 | char buf[2] = {(char) XINT (character), '\0'}; | |
815 | OutputDebugString (buf); | |
816 | } | |
817 | #endif | |
818 | ||
38010d50 JB |
819 | return character; |
820 | } | |
cf1bb91b RS |
821 | |
822 | /* This is the interface for debugging printing. */ | |
823 | ||
824 | void | |
825 | debug_print (arg) | |
826 | Lisp_Object arg; | |
827 | { | |
828 | Fprin1 (arg, Qexternal_debugging_output); | |
3684eb78 | 829 | fprintf (stderr, "\r\n"); |
cf1bb91b | 830 | } |
38010d50 | 831 | \f |
113620cc KH |
832 | DEFUN ("error-message-string", Ferror_message_string, Serror_message_string, |
833 | 1, 1, 0, | |
834 | "Convert an error value (ERROR-SYMBOL . DATA) to an error message.") | |
835 | (obj) | |
836 | Lisp_Object obj; | |
837 | { | |
838 | struct buffer *old = current_buffer; | |
839 | Lisp_Object original, printcharfun, value; | |
840 | struct gcpro gcpro1; | |
841 | ||
0872e11f RS |
842 | /* If OBJ is (error STRING), just return STRING. |
843 | That is not only faster, it also avoids the need to allocate | |
844 | space here when the error is due to memory full. */ | |
845 | if (CONSP (obj) && EQ (XCONS (obj)->car, Qerror) | |
846 | && CONSP (XCONS (obj)->cdr) | |
847 | && STRINGP (XCONS (XCONS (obj)->cdr)->car) | |
848 | && NILP (XCONS (XCONS (obj)->cdr)->cdr)) | |
849 | return XCONS (XCONS (obj)->cdr)->car; | |
850 | ||
dc22f25e | 851 | print_error_message (obj, Vprin1_to_string_buffer); |
113620cc KH |
852 | |
853 | set_buffer_internal (XBUFFER (Vprin1_to_string_buffer)); | |
854 | value = Fbuffer_string (); | |
855 | ||
856 | GCPRO1 (value); | |
857 | Ferase_buffer (); | |
858 | set_buffer_internal (old); | |
859 | UNGCPRO; | |
860 | ||
861 | return value; | |
862 | } | |
863 | ||
864 | /* Print an error message for the error DATA | |
865 | onto Lisp output stream STREAM (suitable for the print functions). */ | |
866 | ||
dc22f25e | 867 | void |
113620cc KH |
868 | print_error_message (data, stream) |
869 | Lisp_Object data, stream; | |
870 | { | |
871 | Lisp_Object errname, errmsg, file_error, tail; | |
872 | struct gcpro gcpro1; | |
873 | int i; | |
874 | ||
875 | errname = Fcar (data); | |
876 | ||
877 | if (EQ (errname, Qerror)) | |
878 | { | |
879 | data = Fcdr (data); | |
880 | if (!CONSP (data)) data = Qnil; | |
881 | errmsg = Fcar (data); | |
882 | file_error = Qnil; | |
883 | } | |
884 | else | |
885 | { | |
886 | errmsg = Fget (errname, Qerror_message); | |
887 | file_error = Fmemq (Qfile_error, | |
888 | Fget (errname, Qerror_conditions)); | |
889 | } | |
890 | ||
891 | /* Print an error message including the data items. */ | |
892 | ||
893 | tail = Fcdr_safe (data); | |
894 | GCPRO1 (tail); | |
895 | ||
896 | /* For file-error, make error message by concatenating | |
897 | all the data items. They are all strings. */ | |
8c29413d | 898 | if (!NILP (file_error) && CONSP (tail)) |
113620cc KH |
899 | errmsg = XCONS (tail)->car, tail = XCONS (tail)->cdr; |
900 | ||
901 | if (STRINGP (errmsg)) | |
902 | Fprinc (errmsg, stream); | |
903 | else | |
904 | write_string_1 ("peculiar error", -1, stream); | |
905 | ||
906 | for (i = 0; CONSP (tail); tail = Fcdr (tail), i++) | |
907 | { | |
908 | write_string_1 (i ? ", " : ": ", 2, stream); | |
909 | if (!NILP (file_error)) | |
910 | Fprinc (Fcar (tail), stream); | |
911 | else | |
912 | Fprin1 (Fcar (tail), stream); | |
913 | } | |
914 | UNGCPRO; | |
915 | } | |
916 | \f | |
38010d50 JB |
917 | #ifdef LISP_FLOAT_TYPE |
918 | ||
38010d50 | 919 | /* |
edb2a707 | 920 | * The buffer should be at least as large as the max string size of the |
8e6208c5 | 921 | * largest float, printed in the biggest notation. This is undoubtedly |
38010d50 JB |
922 | * 20d float_output_format, with the negative of the C-constant "HUGE" |
923 | * from <math.h>. | |
924 | * | |
925 | * On the vax the worst case is -1e38 in 20d format which takes 61 bytes. | |
926 | * | |
927 | * I assume that IEEE-754 format numbers can take 329 bytes for the worst | |
928 | * case of -1e307 in 20d float_output_format. What is one to do (short of | |
929 | * re-writing _doprnt to be more sane)? | |
930 | * -wsr | |
931 | */ | |
edb2a707 RS |
932 | |
933 | void | |
934 | float_to_string (buf, data) | |
8b24d146 | 935 | unsigned char *buf; |
38010d50 JB |
936 | double data; |
937 | { | |
c7b14277 | 938 | unsigned char *cp; |
322890c4 | 939 | int width; |
38010d50 | 940 | |
7f45de2d RS |
941 | /* Check for plus infinity in a way that won't lose |
942 | if there is no plus infinity. */ | |
943 | if (data == data / 2 && data > 1.0) | |
944 | { | |
945 | strcpy (buf, "1.0e+INF"); | |
946 | return; | |
947 | } | |
948 | /* Likewise for minus infinity. */ | |
949 | if (data == data / 2 && data < -1.0) | |
950 | { | |
951 | strcpy (buf, "-1.0e+INF"); | |
952 | return; | |
953 | } | |
954 | /* Check for NaN in a way that won't fail if there are no NaNs. */ | |
955 | if (! (data * 0.0 >= 0.0)) | |
956 | { | |
957 | strcpy (buf, "0.0e+NaN"); | |
958 | return; | |
959 | } | |
960 | ||
10eebdbb | 961 | if (NILP (Vfloat_output_format) |
d4ae1f7e | 962 | || !STRINGP (Vfloat_output_format)) |
38010d50 | 963 | lose: |
322890c4 | 964 | { |
f356c3fb PE |
965 | /* Generate the fewest number of digits that represent the |
966 | floating point value without losing information. | |
967 | The following method is simple but a bit slow. | |
968 | For ideas about speeding things up, please see: | |
969 | ||
970 | Guy L Steele Jr & Jon L White, How to print floating-point numbers | |
971 | accurately. SIGPLAN notices 25, 6 (June 1990), 112-126. | |
972 | ||
973 | Robert G Burger & R Kent Dybvig, Printing floating point numbers | |
974 | quickly and accurately, SIGPLAN notices 31, 5 (May 1996), 108-116. */ | |
975 | ||
976 | width = fabs (data) < DBL_MIN ? 1 : DBL_DIG; | |
977 | do | |
978 | sprintf (buf, "%.*g", width, data); | |
979 | while (width++ < DOUBLE_DIGITS_BOUND && atof (buf) != data); | |
322890c4 | 980 | } |
38010d50 JB |
981 | else /* oink oink */ |
982 | { | |
983 | /* Check that the spec we have is fully valid. | |
984 | This means not only valid for printf, | |
985 | but meant for floats, and reasonable. */ | |
986 | cp = XSTRING (Vfloat_output_format)->data; | |
987 | ||
988 | if (cp[0] != '%') | |
989 | goto lose; | |
990 | if (cp[1] != '.') | |
991 | goto lose; | |
992 | ||
993 | cp += 2; | |
c7b14277 JB |
994 | |
995 | /* Check the width specification. */ | |
322890c4 | 996 | width = -1; |
c7b14277 | 997 | if ('0' <= *cp && *cp <= '9') |
381cd4bb KH |
998 | { |
999 | width = 0; | |
1000 | do | |
1001 | width = (width * 10) + (*cp++ - '0'); | |
1002 | while (*cp >= '0' && *cp <= '9'); | |
1003 | ||
1004 | /* A precision of zero is valid only for %f. */ | |
1005 | if (width > DBL_DIG | |
1006 | || (width == 0 && *cp != 'f')) | |
1007 | goto lose; | |
1008 | } | |
38010d50 JB |
1009 | |
1010 | if (*cp != 'e' && *cp != 'f' && *cp != 'g') | |
1011 | goto lose; | |
1012 | ||
38010d50 JB |
1013 | if (cp[1] != 0) |
1014 | goto lose; | |
1015 | ||
1016 | sprintf (buf, XSTRING (Vfloat_output_format)->data, data); | |
1017 | } | |
edb2a707 | 1018 | |
c7b14277 JB |
1019 | /* Make sure there is a decimal point with digit after, or an |
1020 | exponent, so that the value is readable as a float. But don't do | |
322890c4 RS |
1021 | this with "%.0f"; it's valid for that not to produce a decimal |
1022 | point. Note that width can be 0 only for %.0f. */ | |
1023 | if (width != 0) | |
0601fd3d | 1024 | { |
c7b14277 JB |
1025 | for (cp = buf; *cp; cp++) |
1026 | if ((*cp < '0' || *cp > '9') && *cp != '-') | |
1027 | break; | |
0601fd3d | 1028 | |
c7b14277 JB |
1029 | if (*cp == '.' && cp[1] == 0) |
1030 | { | |
1031 | cp[1] = '0'; | |
1032 | cp[2] = 0; | |
1033 | } | |
1034 | ||
1035 | if (*cp == 0) | |
1036 | { | |
1037 | *cp++ = '.'; | |
1038 | *cp++ = '0'; | |
1039 | *cp++ = 0; | |
1040 | } | |
edb2a707 | 1041 | } |
38010d50 JB |
1042 | } |
1043 | #endif /* LISP_FLOAT_TYPE */ | |
1044 | \f | |
1045 | static void | |
1046 | print (obj, printcharfun, escapeflag) | |
38010d50 | 1047 | Lisp_Object obj; |
38010d50 JB |
1048 | register Lisp_Object printcharfun; |
1049 | int escapeflag; | |
1050 | { | |
1051 | char buf[30]; | |
1052 | ||
1053 | QUIT; | |
1054 | ||
ec838c39 RS |
1055 | #if 1 /* I'm not sure this is really worth doing. */ |
1056 | /* Detect circularities and truncate them. | |
1057 | No need to offer any alternative--this is better than an error. */ | |
d4ae1f7e | 1058 | if (CONSP (obj) || VECTORP (obj) || COMPILEDP (obj)) |
ec838c39 RS |
1059 | { |
1060 | int i; | |
1061 | for (i = 0; i < print_depth; i++) | |
1062 | if (EQ (obj, being_printed[i])) | |
1063 | { | |
1064 | sprintf (buf, "#%d", i); | |
dc2a0b79 | 1065 | strout (buf, -1, -1, printcharfun, 0); |
ec838c39 RS |
1066 | return; |
1067 | } | |
1068 | } | |
1069 | #endif | |
1070 | ||
1071 | being_printed[print_depth] = obj; | |
38010d50 JB |
1072 | print_depth++; |
1073 | ||
ec838c39 | 1074 | if (print_depth > PRINT_CIRCLE) |
38010d50 JB |
1075 | error ("Apparently circular structure being printed"); |
1076 | #ifdef MAX_PRINT_CHARS | |
1077 | if (max_print && print_chars > max_print) | |
1078 | { | |
1079 | PRINTCHAR ('\n'); | |
1080 | print_chars = 0; | |
1081 | } | |
1082 | #endif /* MAX_PRINT_CHARS */ | |
1083 | ||
ca0569ad | 1084 | switch (XGCTYPE (obj)) |
38010d50 | 1085 | { |
ca0569ad | 1086 | case Lisp_Int: |
b8180922 RS |
1087 | if (sizeof (int) == sizeof (EMACS_INT)) |
1088 | sprintf (buf, "%d", XINT (obj)); | |
1089 | else if (sizeof (long) == sizeof (EMACS_INT)) | |
1090 | sprintf (buf, "%ld", XINT (obj)); | |
1091 | else | |
1092 | abort (); | |
dc2a0b79 | 1093 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1094 | break; |
1095 | ||
e0f93814 | 1096 | #ifdef LISP_FLOAT_TYPE |
ca0569ad RS |
1097 | case Lisp_Float: |
1098 | { | |
1099 | char pigbuf[350]; /* see comments in float_to_string */ | |
38010d50 | 1100 | |
ca0569ad | 1101 | float_to_string (pigbuf, XFLOAT(obj)->data); |
dc2a0b79 | 1102 | strout (pigbuf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1103 | } |
1104 | break; | |
e0f93814 | 1105 | #endif |
ca0569ad RS |
1106 | |
1107 | case Lisp_String: | |
38010d50 JB |
1108 | if (!escapeflag) |
1109 | print_string (obj, printcharfun); | |
1110 | else | |
1111 | { | |
dc2a0b79 | 1112 | register int i, i_byte; |
38010d50 | 1113 | register unsigned char c; |
38010d50 | 1114 | struct gcpro gcpro1; |
872a36d2 | 1115 | unsigned char *str; |
dc2a0b79 | 1116 | int size_byte; |
453fa987 RS |
1117 | /* 1 means we must ensure that the next character we output |
1118 | cannot be taken as part of a hex character escape. */ | |
1119 | int need_nonhex = 0; | |
38010d50 | 1120 | |
7651e1f5 RS |
1121 | GCPRO1 (obj); |
1122 | ||
1123 | #ifdef USE_TEXT_PROPERTIES | |
1124 | if (!NULL_INTERVAL_P (XSTRING (obj)->intervals)) | |
1125 | { | |
1126 | PRINTCHAR ('#'); | |
1127 | PRINTCHAR ('('); | |
1128 | } | |
1129 | #endif | |
38010d50 JB |
1130 | |
1131 | PRINTCHAR ('\"'); | |
872a36d2 | 1132 | str = XSTRING (obj)->data; |
fc932ac6 | 1133 | size_byte = STRING_BYTES (XSTRING (obj)); |
dc2a0b79 RS |
1134 | |
1135 | for (i = 0, i_byte = 0; i_byte < size_byte;) | |
38010d50 | 1136 | { |
6ddd6eee RS |
1137 | /* Here, we must convert each multi-byte form to the |
1138 | corresponding character code before handing it to PRINTCHAR. */ | |
1139 | int len; | |
dc2a0b79 RS |
1140 | int c; |
1141 | ||
1142 | if (STRING_MULTIBYTE (obj)) | |
872a36d2 | 1143 | { |
765fe1d0 KH |
1144 | c = STRING_CHAR_AND_LENGTH (str + i_byte, |
1145 | size_byte - i_byte, len); | |
da1ad4e7 KH |
1146 | if (CHAR_VALID_P (c, 0)) |
1147 | i_byte += len; | |
1148 | else | |
1149 | c = str[i_byte++]; | |
872a36d2 | 1150 | } |
dc2a0b79 | 1151 | else |
872a36d2 | 1152 | c = str[i_byte++]; |
dc2a0b79 | 1153 | |
38010d50 | 1154 | QUIT; |
6ddd6eee | 1155 | |
38010d50 JB |
1156 | if (c == '\n' && print_escape_newlines) |
1157 | { | |
1158 | PRINTCHAR ('\\'); | |
1159 | PRINTCHAR ('n'); | |
1160 | } | |
c6f7982f RM |
1161 | else if (c == '\f' && print_escape_newlines) |
1162 | { | |
1163 | PRINTCHAR ('\\'); | |
1164 | PRINTCHAR ('f'); | |
1165 | } | |
835d0be6 | 1166 | else if (! SINGLE_BYTE_CHAR_P (c) && print_escape_multibyte) |
dc2a0b79 RS |
1167 | { |
1168 | /* When multibyte is disabled, | |
1169 | print multibyte string chars using hex escapes. */ | |
1170 | unsigned char outbuf[50]; | |
1171 | sprintf (outbuf, "\\x%x", c); | |
1172 | strout (outbuf, -1, -1, printcharfun, 0); | |
453fa987 | 1173 | need_nonhex = 1; |
dc2a0b79 | 1174 | } |
835d0be6 RS |
1175 | else if (SINGLE_BYTE_CHAR_P (c) && ! ASCII_BYTE_P (c) |
1176 | && print_escape_nonascii) | |
974a6ff5 | 1177 | { |
835d0be6 RS |
1178 | /* When printing in a multibyte buffer |
1179 | or when explicitly requested, | |
974a6ff5 KH |
1180 | print single-byte non-ASCII string chars |
1181 | using octal escapes. */ | |
1182 | unsigned char outbuf[5]; | |
1183 | sprintf (outbuf, "\\%03o", c); | |
1184 | strout (outbuf, -1, -1, printcharfun, 0); | |
1185 | } | |
38010d50 JB |
1186 | else |
1187 | { | |
453fa987 RS |
1188 | /* If we just had a hex escape, and this character |
1189 | could be taken as part of it, | |
1190 | output `\ ' to prevent that. */ | |
1b62edd6 KH |
1191 | if (need_nonhex) |
1192 | { | |
1193 | need_nonhex = 0; | |
1194 | if ((c >= 'a' && c <= 'f') | |
453fa987 | 1195 | || (c >= 'A' && c <= 'F') |
1b62edd6 KH |
1196 | || (c >= '0' && c <= '9')) |
1197 | strout ("\\ ", -1, -1, printcharfun, 0); | |
1198 | } | |
453fa987 | 1199 | |
38010d50 JB |
1200 | if (c == '\"' || c == '\\') |
1201 | PRINTCHAR ('\\'); | |
1202 | PRINTCHAR (c); | |
1203 | } | |
1204 | } | |
1205 | PRINTCHAR ('\"'); | |
7651e1f5 RS |
1206 | |
1207 | #ifdef USE_TEXT_PROPERTIES | |
1208 | if (!NULL_INTERVAL_P (XSTRING (obj)->intervals)) | |
1209 | { | |
7651e1f5 RS |
1210 | traverse_intervals (XSTRING (obj)->intervals, |
1211 | 0, 0, print_interval, printcharfun); | |
1212 | PRINTCHAR (')'); | |
1213 | } | |
1214 | #endif | |
1215 | ||
38010d50 JB |
1216 | UNGCPRO; |
1217 | } | |
ca0569ad | 1218 | break; |
38010d50 | 1219 | |
ca0569ad RS |
1220 | case Lisp_Symbol: |
1221 | { | |
1222 | register int confusing; | |
1223 | register unsigned char *p = XSYMBOL (obj)->name->data; | |
fc932ac6 | 1224 | register unsigned char *end = p + STRING_BYTES (XSYMBOL (obj)->name); |
2190a05e | 1225 | register int c; |
dc2a0b79 RS |
1226 | int i, i_byte, size_byte; |
1227 | Lisp_Object name; | |
1228 | ||
1229 | XSETSTRING (name, XSYMBOL (obj)->name); | |
ca0569ad RS |
1230 | |
1231 | if (p != end && (*p == '-' || *p == '+')) p++; | |
1232 | if (p == end) | |
1233 | confusing = 0; | |
d27497e3 RS |
1234 | /* If symbol name begins with a digit, and ends with a digit, |
1235 | and contains nothing but digits and `e', it could be treated | |
1236 | as a number. So set CONFUSING. | |
1237 | ||
1238 | Symbols that contain periods could also be taken as numbers, | |
1239 | but periods are always escaped, so we don't have to worry | |
1240 | about them here. */ | |
1241 | else if (*p >= '0' && *p <= '9' | |
1242 | && end[-1] >= '0' && end[-1] <= '9') | |
ca0569ad | 1243 | { |
e837058b RS |
1244 | while (p != end && ((*p >= '0' && *p <= '9') |
1245 | /* Needed for \2e10. */ | |
1246 | || *p == 'e')) | |
ca0569ad RS |
1247 | p++; |
1248 | confusing = (end == p); | |
1249 | } | |
d27497e3 RS |
1250 | else |
1251 | confusing = 0; | |
ca0569ad | 1252 | |
081e0581 EN |
1253 | /* If we print an uninterned symbol as part of a complex object and |
1254 | the flag print-gensym is non-nil, prefix it with #n= to read the | |
1255 | object back with the #n# reader syntax later if needed. */ | |
e0f69431 | 1256 | if (! NILP (Vprint_gensym) && NILP (XSYMBOL (obj)->obarray)) |
081e0581 EN |
1257 | { |
1258 | if (print_depth > 1) | |
1259 | { | |
1260 | Lisp_Object tem; | |
e0f69431 | 1261 | tem = Fassq (obj, Vprint_gensym_alist); |
081e0581 EN |
1262 | if (CONSP (tem)) |
1263 | { | |
1264 | PRINTCHAR ('#'); | |
1265 | print (XCDR (tem), printcharfun, escapeflag); | |
1266 | PRINTCHAR ('#'); | |
1267 | break; | |
1268 | } | |
1269 | else | |
1270 | { | |
e0f69431 RS |
1271 | if (CONSP (Vprint_gensym_alist)) |
1272 | XSETFASTINT (tem, XFASTINT (XCDR (XCAR (Vprint_gensym_alist))) + 1); | |
081e0581 EN |
1273 | else |
1274 | XSETFASTINT (tem, 1); | |
e0f69431 | 1275 | Vprint_gensym_alist = Fcons (Fcons (obj, tem), Vprint_gensym_alist); |
081e0581 EN |
1276 | |
1277 | PRINTCHAR ('#'); | |
1278 | print (tem, printcharfun, escapeflag); | |
1279 | PRINTCHAR ('='); | |
1280 | } | |
1281 | } | |
1282 | PRINTCHAR ('#'); | |
1283 | PRINTCHAR (':'); | |
1284 | } | |
1285 | ||
fc932ac6 | 1286 | size_byte = STRING_BYTES (XSTRING (name)); |
dc2a0b79 RS |
1287 | |
1288 | for (i = 0, i_byte = 0; i_byte < size_byte;) | |
ca0569ad | 1289 | { |
6ddd6eee RS |
1290 | /* Here, we must convert each multi-byte form to the |
1291 | corresponding character code before handing it to PRINTCHAR. */ | |
dc2a0b79 RS |
1292 | |
1293 | if (STRING_MULTIBYTE (name)) | |
1294 | FETCH_STRING_CHAR_ADVANCE (c, name, i, i_byte); | |
1295 | else | |
1296 | c = XSTRING (name)->data[i_byte++]; | |
1297 | ||
ca0569ad | 1298 | QUIT; |
09eddb56 | 1299 | |
ca0569ad RS |
1300 | if (escapeflag) |
1301 | { | |
09eddb56 RS |
1302 | if (c == '\"' || c == '\\' || c == '\'' |
1303 | || c == ';' || c == '#' || c == '(' || c == ')' | |
1304 | || c == ',' || c =='.' || c == '`' | |
1305 | || c == '[' || c == ']' || c == '?' || c <= 040 | |
1306 | || confusing) | |
ca0569ad RS |
1307 | PRINTCHAR ('\\'), confusing = 0; |
1308 | } | |
1309 | PRINTCHAR (c); | |
1310 | } | |
1311 | } | |
1312 | break; | |
1313 | ||
1314 | case Lisp_Cons: | |
38010d50 | 1315 | /* If deeper than spec'd depth, print placeholder. */ |
d4ae1f7e | 1316 | if (INTEGERP (Vprint_level) |
38010d50 | 1317 | && print_depth > XINT (Vprint_level)) |
dc2a0b79 | 1318 | strout ("...", -1, -1, printcharfun, 0); |
2f100b5c EN |
1319 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) |
1320 | && (EQ (XCAR (obj), Qquote))) | |
1321 | { | |
1322 | PRINTCHAR ('\''); | |
1323 | print (XCAR (XCDR (obj)), printcharfun, escapeflag); | |
1324 | } | |
1325 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) | |
1326 | && (EQ (XCAR (obj), Qfunction))) | |
1327 | { | |
1328 | PRINTCHAR ('#'); | |
1329 | PRINTCHAR ('\''); | |
1330 | print (XCAR (XCDR (obj)), printcharfun, escapeflag); | |
1331 | } | |
1332 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) | |
1333 | && ((EQ (XCAR (obj), Qbackquote) | |
1334 | || EQ (XCAR (obj), Qcomma) | |
1335 | || EQ (XCAR (obj), Qcomma_at) | |
1336 | || EQ (XCAR (obj), Qcomma_dot)))) | |
1337 | { | |
1338 | print (XCAR (obj), printcharfun, 0); | |
1339 | print (XCAR (XCDR (obj)), printcharfun, escapeflag); | |
1340 | } | |
e0f93814 | 1341 | else |
38010d50 | 1342 | { |
e0f93814 | 1343 | PRINTCHAR ('('); |
38010d50 | 1344 | { |
e0f93814 | 1345 | register int i = 0; |
f4fe72d5 | 1346 | register int print_length = 0; |
1eab22b5 | 1347 | Lisp_Object halftail = obj; |
e0f93814 KH |
1348 | |
1349 | if (INTEGERP (Vprint_length)) | |
f4fe72d5 | 1350 | print_length = XINT (Vprint_length); |
e0f93814 | 1351 | while (CONSP (obj)) |
38010d50 | 1352 | { |
1eab22b5 RS |
1353 | /* Detect circular list. */ |
1354 | if (i != 0 && EQ (obj, halftail)) | |
1355 | { | |
1356 | sprintf (buf, " . #%d", i / 2); | |
1357 | strout (buf, -1, -1, printcharfun, 0); | |
1358 | obj = Qnil; | |
1359 | break; | |
1360 | } | |
e0f93814 KH |
1361 | if (i++) |
1362 | PRINTCHAR (' '); | |
f4fe72d5 | 1363 | if (print_length && i > print_length) |
e0f93814 | 1364 | { |
dc2a0b79 | 1365 | strout ("...", 3, 3, printcharfun, 0); |
e0f93814 KH |
1366 | break; |
1367 | } | |
2f100b5c EN |
1368 | print (XCAR (obj), printcharfun, escapeflag); |
1369 | obj = XCDR (obj); | |
1eab22b5 RS |
1370 | if (!(i & 1)) |
1371 | halftail = XCDR (halftail); | |
38010d50 | 1372 | } |
38010d50 | 1373 | } |
2f100b5c | 1374 | if (!NILP (obj)) |
e0f93814 | 1375 | { |
dc2a0b79 | 1376 | strout (" . ", 3, 3, printcharfun, 0); |
e0f93814 KH |
1377 | print (obj, printcharfun, escapeflag); |
1378 | } | |
1379 | PRINTCHAR (')'); | |
38010d50 | 1380 | } |
ca0569ad RS |
1381 | break; |
1382 | ||
1383 | case Lisp_Vectorlike: | |
1384 | if (PROCESSP (obj)) | |
1385 | { | |
1386 | if (escapeflag) | |
1387 | { | |
dc2a0b79 | 1388 | strout ("#<process ", -1, -1, printcharfun, 0); |
ca0569ad RS |
1389 | print_string (XPROCESS (obj)->name, printcharfun); |
1390 | PRINTCHAR ('>'); | |
1391 | } | |
1392 | else | |
1393 | print_string (XPROCESS (obj)->name, printcharfun); | |
1394 | } | |
ed2c35ef RS |
1395 | else if (BOOL_VECTOR_P (obj)) |
1396 | { | |
1397 | register int i; | |
1398 | register unsigned char c; | |
1399 | struct gcpro gcpro1; | |
ed2c35ef | 1400 | int size_in_chars |
1bad7c59 | 1401 | = (XBOOL_VECTOR (obj)->size + BITS_PER_CHAR - 1) / BITS_PER_CHAR; |
ed2c35ef RS |
1402 | |
1403 | GCPRO1 (obj); | |
1404 | ||
1405 | PRINTCHAR ('#'); | |
1406 | PRINTCHAR ('&'); | |
1407 | sprintf (buf, "%d", XBOOL_VECTOR (obj)->size); | |
dc2a0b79 | 1408 | strout (buf, -1, -1, printcharfun, 0); |
ed2c35ef | 1409 | PRINTCHAR ('\"'); |
a40384bc RS |
1410 | |
1411 | /* Don't print more characters than the specified maximum. */ | |
1412 | if (INTEGERP (Vprint_length) | |
1413 | && XINT (Vprint_length) < size_in_chars) | |
1414 | size_in_chars = XINT (Vprint_length); | |
1415 | ||
ed2c35ef RS |
1416 | for (i = 0; i < size_in_chars; i++) |
1417 | { | |
1418 | QUIT; | |
1419 | c = XBOOL_VECTOR (obj)->data[i]; | |
1420 | if (c == '\n' && print_escape_newlines) | |
1421 | { | |
1422 | PRINTCHAR ('\\'); | |
1423 | PRINTCHAR ('n'); | |
1424 | } | |
1425 | else if (c == '\f' && print_escape_newlines) | |
1426 | { | |
1427 | PRINTCHAR ('\\'); | |
1428 | PRINTCHAR ('f'); | |
1429 | } | |
1430 | else | |
1431 | { | |
1432 | if (c == '\"' || c == '\\') | |
1433 | PRINTCHAR ('\\'); | |
1434 | PRINTCHAR (c); | |
1435 | } | |
1436 | } | |
1437 | PRINTCHAR ('\"'); | |
1438 | ||
1439 | UNGCPRO; | |
1440 | } | |
ca0569ad RS |
1441 | else if (SUBRP (obj)) |
1442 | { | |
dc2a0b79 RS |
1443 | strout ("#<subr ", -1, -1, printcharfun, 0); |
1444 | strout (XSUBR (obj)->symbol_name, -1, -1, printcharfun, 0); | |
ca0569ad RS |
1445 | PRINTCHAR ('>'); |
1446 | } | |
ca0569ad RS |
1447 | else if (WINDOWP (obj)) |
1448 | { | |
dc2a0b79 | 1449 | strout ("#<window ", -1, -1, printcharfun, 0); |
ca0569ad | 1450 | sprintf (buf, "%d", XFASTINT (XWINDOW (obj)->sequence_number)); |
dc2a0b79 | 1451 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1452 | if (!NILP (XWINDOW (obj)->buffer)) |
1453 | { | |
dc2a0b79 | 1454 | strout (" on ", -1, -1, printcharfun, 0); |
ca0569ad RS |
1455 | print_string (XBUFFER (XWINDOW (obj)->buffer)->name, printcharfun); |
1456 | } | |
1457 | PRINTCHAR ('>'); | |
1458 | } | |
7eb03302 GM |
1459 | else if (HASH_TABLE_P (obj)) |
1460 | { | |
1461 | struct Lisp_Hash_Table *h = XHASH_TABLE (obj); | |
1462 | strout ("#<hash-table", -1, -1, printcharfun, 0); | |
1463 | if (SYMBOLP (h->test)) | |
1464 | { | |
1465 | PRINTCHAR (' '); | |
1466 | PRINTCHAR ('\''); | |
1467 | strout (XSYMBOL (h->test)->name->data, -1, -1, printcharfun, 0); | |
1468 | PRINTCHAR (' '); | |
1469 | strout (XSYMBOL (h->weak)->name->data, -1, -1, printcharfun, 0); | |
1470 | PRINTCHAR (' '); | |
1471 | sprintf (buf, "%d/%d", XFASTINT (h->count), | |
1472 | XVECTOR (h->next)->size); | |
1473 | strout (buf, -1, -1, printcharfun, 0); | |
1474 | } | |
1475 | sprintf (buf, " 0x%lx", (unsigned long) h); | |
1476 | strout (buf, -1, -1, printcharfun, 0); | |
1477 | PRINTCHAR ('>'); | |
1478 | } | |
908b0ae5 RS |
1479 | else if (BUFFERP (obj)) |
1480 | { | |
1481 | if (NILP (XBUFFER (obj)->name)) | |
dc2a0b79 | 1482 | strout ("#<killed buffer>", -1, -1, printcharfun, 0); |
908b0ae5 RS |
1483 | else if (escapeflag) |
1484 | { | |
dc2a0b79 | 1485 | strout ("#<buffer ", -1, -1, printcharfun, 0); |
908b0ae5 RS |
1486 | print_string (XBUFFER (obj)->name, printcharfun); |
1487 | PRINTCHAR ('>'); | |
1488 | } | |
1489 | else | |
1490 | print_string (XBUFFER (obj)->name, printcharfun); | |
1491 | } | |
ca0569ad RS |
1492 | else if (WINDOW_CONFIGURATIONP (obj)) |
1493 | { | |
dc2a0b79 | 1494 | strout ("#<window-configuration>", -1, -1, printcharfun, 0); |
ca0569ad | 1495 | } |
ca0569ad RS |
1496 | else if (FRAMEP (obj)) |
1497 | { | |
1498 | strout ((FRAME_LIVE_P (XFRAME (obj)) | |
1499 | ? "#<frame " : "#<dead frame "), | |
dc2a0b79 | 1500 | -1, -1, printcharfun, 0); |
ca0569ad | 1501 | print_string (XFRAME (obj)->name, printcharfun); |
dc2a0b79 RS |
1502 | sprintf (buf, " 0x%lx\\ ", (unsigned long) (XFRAME (obj))); |
1503 | strout (buf, -1, -1, printcharfun, 0); | |
ca0569ad RS |
1504 | PRINTCHAR ('>'); |
1505 | } | |
ca0569ad RS |
1506 | else |
1507 | { | |
1508 | int size = XVECTOR (obj)->size; | |
1509 | if (COMPILEDP (obj)) | |
1510 | { | |
1511 | PRINTCHAR ('#'); | |
1512 | size &= PSEUDOVECTOR_SIZE_MASK; | |
1513 | } | |
ed2c35ef RS |
1514 | if (CHAR_TABLE_P (obj)) |
1515 | { | |
1516 | /* We print a char-table as if it were a vector, | |
1517 | lumping the parent and default slots in with the | |
1518 | character slots. But we add #^ as a prefix. */ | |
1519 | PRINTCHAR ('#'); | |
1520 | PRINTCHAR ('^'); | |
3701b5de KH |
1521 | if (SUB_CHAR_TABLE_P (obj)) |
1522 | PRINTCHAR ('^'); | |
ed2c35ef RS |
1523 | size &= PSEUDOVECTOR_SIZE_MASK; |
1524 | } | |
00d76abc KH |
1525 | if (size & PSEUDOVECTOR_FLAG) |
1526 | goto badtype; | |
ca0569ad RS |
1527 | |
1528 | PRINTCHAR ('['); | |
38010d50 | 1529 | { |
ca0569ad RS |
1530 | register int i; |
1531 | register Lisp_Object tem; | |
a40384bc RS |
1532 | |
1533 | /* Don't print more elements than the specified maximum. */ | |
1534 | if (INTEGERP (Vprint_length) | |
1535 | && XINT (Vprint_length) < size) | |
1536 | size = XINT (Vprint_length); | |
1537 | ||
ca0569ad RS |
1538 | for (i = 0; i < size; i++) |
1539 | { | |
1540 | if (i) PRINTCHAR (' '); | |
1541 | tem = XVECTOR (obj)->contents[i]; | |
1542 | print (tem, printcharfun, escapeflag); | |
1543 | } | |
38010d50 | 1544 | } |
ca0569ad RS |
1545 | PRINTCHAR (']'); |
1546 | } | |
1547 | break; | |
1548 | ||
ca0569ad | 1549 | case Lisp_Misc: |
5db20f08 | 1550 | switch (XMISCTYPE (obj)) |
38010d50 | 1551 | { |
00d76abc | 1552 | case Lisp_Misc_Marker: |
dc2a0b79 | 1553 | strout ("#<marker ", -1, -1, printcharfun, 0); |
087e3c46 KH |
1554 | /* Do you think this is necessary? */ |
1555 | if (XMARKER (obj)->insertion_type != 0) | |
dc2a0b79 | 1556 | strout ("(before-insertion) ", -1, -1, printcharfun, 0); |
ca0569ad | 1557 | if (!(XMARKER (obj)->buffer)) |
dc2a0b79 | 1558 | strout ("in no buffer", -1, -1, printcharfun, 0); |
ca0569ad RS |
1559 | else |
1560 | { | |
1561 | sprintf (buf, "at %d", marker_position (obj)); | |
dc2a0b79 RS |
1562 | strout (buf, -1, -1, printcharfun, 0); |
1563 | strout (" in ", -1, -1, printcharfun, 0); | |
ca0569ad RS |
1564 | print_string (XMARKER (obj)->buffer->name, printcharfun); |
1565 | } | |
38010d50 | 1566 | PRINTCHAR ('>'); |
908b0ae5 | 1567 | break; |
00d76abc KH |
1568 | |
1569 | case Lisp_Misc_Overlay: | |
dc2a0b79 | 1570 | strout ("#<overlay ", -1, -1, printcharfun, 0); |
ca0569ad | 1571 | if (!(XMARKER (OVERLAY_START (obj))->buffer)) |
dc2a0b79 | 1572 | strout ("in no buffer", -1, -1, printcharfun, 0); |
ca0569ad RS |
1573 | else |
1574 | { | |
1575 | sprintf (buf, "from %d to %d in ", | |
1576 | marker_position (OVERLAY_START (obj)), | |
1577 | marker_position (OVERLAY_END (obj))); | |
dc2a0b79 | 1578 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad RS |
1579 | print_string (XMARKER (OVERLAY_START (obj))->buffer->name, |
1580 | printcharfun); | |
1581 | } | |
1582 | PRINTCHAR ('>'); | |
908b0ae5 | 1583 | break; |
00d76abc KH |
1584 | |
1585 | /* Remaining cases shouldn't happen in normal usage, but let's print | |
1586 | them anyway for the benefit of the debugger. */ | |
1587 | case Lisp_Misc_Free: | |
dc2a0b79 | 1588 | strout ("#<misc free cell>", -1, -1, printcharfun, 0); |
00d76abc KH |
1589 | break; |
1590 | ||
1591 | case Lisp_Misc_Intfwd: | |
1592 | sprintf (buf, "#<intfwd to %d>", *XINTFWD (obj)->intvar); | |
dc2a0b79 | 1593 | strout (buf, -1, -1, printcharfun, 0); |
00d76abc KH |
1594 | break; |
1595 | ||
1596 | case Lisp_Misc_Boolfwd: | |
1597 | sprintf (buf, "#<boolfwd to %s>", | |
1598 | (*XBOOLFWD (obj)->boolvar ? "t" : "nil")); | |
dc2a0b79 | 1599 | strout (buf, -1, -1, printcharfun, 0); |
00d76abc KH |
1600 | break; |
1601 | ||
1602 | case Lisp_Misc_Objfwd: | |
dc2a0b79 | 1603 | strout ("#<objfwd to ", -1, -1, printcharfun, 0); |
00d76abc KH |
1604 | print (*XOBJFWD (obj)->objvar, printcharfun, escapeflag); |
1605 | PRINTCHAR ('>'); | |
1606 | break; | |
1607 | ||
1608 | case Lisp_Misc_Buffer_Objfwd: | |
dc2a0b79 | 1609 | strout ("#<buffer_objfwd to ", -1, -1, printcharfun, 0); |
3ac613c1 KH |
1610 | print (*(Lisp_Object *)((char *)current_buffer |
1611 | + XBUFFER_OBJFWD (obj)->offset), | |
1612 | printcharfun, escapeflag); | |
1613 | PRINTCHAR ('>'); | |
1614 | break; | |
1615 | ||
fb917148 | 1616 | case Lisp_Misc_Kboard_Objfwd: |
dc2a0b79 | 1617 | strout ("#<kboard_objfwd to ", -1, -1, printcharfun, 0); |
fb917148 KH |
1618 | print (*(Lisp_Object *)((char *) current_kboard |
1619 | + XKBOARD_OBJFWD (obj)->offset), | |
7ae137a9 | 1620 | printcharfun, escapeflag); |
00d76abc KH |
1621 | PRINTCHAR ('>'); |
1622 | break; | |
1623 | ||
1624 | case Lisp_Misc_Buffer_Local_Value: | |
dc2a0b79 | 1625 | strout ("#<buffer_local_value ", -1, -1, printcharfun, 0); |
00d76abc KH |
1626 | goto do_buffer_local; |
1627 | case Lisp_Misc_Some_Buffer_Local_Value: | |
dc2a0b79 | 1628 | strout ("#<some_buffer_local_value ", -1, -1, printcharfun, 0); |
00d76abc | 1629 | do_buffer_local: |
dc2a0b79 | 1630 | strout ("[realvalue] ", -1, -1, printcharfun, 0); |
03153771 RS |
1631 | print (XBUFFER_LOCAL_VALUE (obj)->realvalue, printcharfun, escapeflag); |
1632 | if (XBUFFER_LOCAL_VALUE (obj)->found_for_buffer) | |
1633 | strout ("[local in buffer] ", -1, -1, printcharfun, 0); | |
1634 | else | |
1635 | strout ("[buffer] ", -1, -1, printcharfun, 0); | |
1636 | print (XBUFFER_LOCAL_VALUE (obj)->buffer, | |
00d76abc | 1637 | printcharfun, escapeflag); |
03153771 RS |
1638 | if (XBUFFER_LOCAL_VALUE (obj)->check_frame) |
1639 | { | |
1640 | if (XBUFFER_LOCAL_VALUE (obj)->found_for_frame) | |
1641 | strout ("[local in frame] ", -1, -1, printcharfun, 0); | |
1642 | else | |
1643 | strout ("[frame] ", -1, -1, printcharfun, 0); | |
1644 | print (XBUFFER_LOCAL_VALUE (obj)->frame, | |
1645 | printcharfun, escapeflag); | |
1646 | } | |
dc2a0b79 | 1647 | strout ("[alist-elt] ", -1, -1, printcharfun, 0); |
03153771 | 1648 | print (XCONS (XBUFFER_LOCAL_VALUE (obj)->cdr)->car, |
00d76abc | 1649 | printcharfun, escapeflag); |
dc2a0b79 | 1650 | strout ("[default-value] ", -1, -1, printcharfun, 0); |
03153771 | 1651 | print (XCONS (XBUFFER_LOCAL_VALUE (obj)->cdr)->cdr, |
00d76abc KH |
1652 | printcharfun, escapeflag); |
1653 | PRINTCHAR ('>'); | |
1654 | break; | |
1655 | ||
1656 | default: | |
1657 | goto badtype; | |
e0f93814 | 1658 | } |
00d76abc | 1659 | break; |
ca0569ad RS |
1660 | |
1661 | default: | |
00d76abc | 1662 | badtype: |
ca0569ad RS |
1663 | { |
1664 | /* We're in trouble if this happens! | |
1665 | Probably should just abort () */ | |
dc2a0b79 | 1666 | strout ("#<EMACS BUG: INVALID DATATYPE ", -1, -1, printcharfun, 0); |
00d76abc | 1667 | if (MISCP (obj)) |
5db20f08 | 1668 | sprintf (buf, "(MISC 0x%04x)", (int) XMISCTYPE (obj)); |
00d76abc KH |
1669 | else if (VECTORLIKEP (obj)) |
1670 | sprintf (buf, "(PVEC 0x%08x)", (int) XVECTOR (obj)->size); | |
1671 | else | |
1672 | sprintf (buf, "(0x%02x)", (int) XTYPE (obj)); | |
dc2a0b79 | 1673 | strout (buf, -1, -1, printcharfun, 0); |
ca0569ad | 1674 | strout (" Save your buffers immediately and please report this bug>", |
dc2a0b79 | 1675 | -1, -1, printcharfun, 0); |
ca0569ad | 1676 | } |
38010d50 JB |
1677 | } |
1678 | ||
1679 | print_depth--; | |
1680 | } | |
1681 | \f | |
7651e1f5 RS |
1682 | #ifdef USE_TEXT_PROPERTIES |
1683 | ||
1684 | /* Print a description of INTERVAL using PRINTCHARFUN. | |
1685 | This is part of printing a string that has text properties. */ | |
1686 | ||
1687 | void | |
1688 | print_interval (interval, printcharfun) | |
1689 | INTERVAL interval; | |
1690 | Lisp_Object printcharfun; | |
1691 | { | |
30503c0b | 1692 | PRINTCHAR (' '); |
7651e1f5 RS |
1693 | print (make_number (interval->position), printcharfun, 1); |
1694 | PRINTCHAR (' '); | |
1695 | print (make_number (interval->position + LENGTH (interval)), | |
1696 | printcharfun, 1); | |
1697 | PRINTCHAR (' '); | |
1698 | print (interval->plist, printcharfun, 1); | |
7651e1f5 RS |
1699 | } |
1700 | ||
1701 | #endif /* USE_TEXT_PROPERTIES */ | |
1702 | \f | |
38010d50 JB |
1703 | void |
1704 | syms_of_print () | |
1705 | { | |
d9c21094 RS |
1706 | Qtemp_buffer_setup_hook = intern ("temp-buffer-setup-hook"); |
1707 | staticpro (&Qtemp_buffer_setup_hook); | |
1708 | ||
38010d50 JB |
1709 | DEFVAR_LISP ("standard-output", &Vstandard_output, |
1710 | "Output stream `print' uses by default for outputting a character.\n\ | |
1711 | This may be any function of one argument.\n\ | |
1712 | It may also be a buffer (output is inserted before point)\n\ | |
1713 | or a marker (output is inserted and the marker is advanced)\n\ | |
113620cc | 1714 | or the symbol t (output appears in the echo area)."); |
38010d50 JB |
1715 | Vstandard_output = Qt; |
1716 | Qstandard_output = intern ("standard-output"); | |
1717 | staticpro (&Qstandard_output); | |
1718 | ||
1719 | #ifdef LISP_FLOAT_TYPE | |
1720 | DEFVAR_LISP ("float-output-format", &Vfloat_output_format, | |
06ef7355 | 1721 | "The format descriptor string used to print floats.\n\ |
38010d50 JB |
1722 | This is a %-spec like those accepted by `printf' in C,\n\ |
1723 | but with some restrictions. It must start with the two characters `%.'.\n\ | |
1724 | After that comes an integer precision specification,\n\ | |
1725 | and then a letter which controls the format.\n\ | |
1726 | The letters allowed are `e', `f' and `g'.\n\ | |
1727 | Use `e' for exponential notation \"DIG.DIGITSeEXPT\"\n\ | |
1728 | Use `f' for decimal point notation \"DIGITS.DIGITS\".\n\ | |
1729 | Use `g' to choose the shorter of those two formats for the number at hand.\n\ | |
1730 | The precision in any of these cases is the number of digits following\n\ | |
1731 | the decimal point. With `f', a precision of 0 means to omit the\n\ | |
c7b14277 | 1732 | decimal point. 0 is not allowed with `e' or `g'.\n\n\ |
f356c3fb PE |
1733 | A value of nil means to use the shortest notation\n\ |
1734 | that represents the number without losing information."); | |
38010d50 JB |
1735 | Vfloat_output_format = Qnil; |
1736 | Qfloat_output_format = intern ("float-output-format"); | |
1737 | staticpro (&Qfloat_output_format); | |
1738 | #endif /* LISP_FLOAT_TYPE */ | |
1739 | ||
1740 | DEFVAR_LISP ("print-length", &Vprint_length, | |
aa734e17 | 1741 | "Maximum length of list to print before abbreviating.\n\ |
38010d50 JB |
1742 | A value of nil means no limit."); |
1743 | Vprint_length = Qnil; | |
1744 | ||
1745 | DEFVAR_LISP ("print-level", &Vprint_level, | |
aa734e17 | 1746 | "Maximum depth of list nesting to print before abbreviating.\n\ |
38010d50 JB |
1747 | A value of nil means no limit."); |
1748 | Vprint_level = Qnil; | |
1749 | ||
1750 | DEFVAR_BOOL ("print-escape-newlines", &print_escape_newlines, | |
a8920a17 | 1751 | "Non-nil means print newlines in strings as backslash-n.\n\ |
c6f7982f | 1752 | Also print formfeeds as backslash-f."); |
38010d50 JB |
1753 | print_escape_newlines = 0; |
1754 | ||
38940e93 | 1755 | DEFVAR_BOOL ("print-escape-nonascii", &print_escape_nonascii, |
835d0be6 RS |
1756 | "Non-nil means print unibyte non-ASCII chars in strings as \\OOO.\n\ |
1757 | \(OOO is the octal representation of the character code.)\n\ | |
96aab770 | 1758 | Only single-byte characters are affected, and only in `prin1'."); |
38940e93 RS |
1759 | print_escape_nonascii = 0; |
1760 | ||
835d0be6 RS |
1761 | DEFVAR_BOOL ("print-escape-multibyte", &print_escape_multibyte, |
1762 | "Non-nil means print multibyte characters in strings as \\xXXXX.\n\ | |
1763 | \(XXX is the hex representation of the character code.)\n\ | |
1764 | This affects only `prin1'."); | |
1765 | print_escape_multibyte = 0; | |
1766 | ||
2f100b5c EN |
1767 | DEFVAR_BOOL ("print-quoted", &print_quoted, |
1768 | "Non-nil means print quoted forms with reader syntax.\n\ | |
1769 | I.e., (quote foo) prints as 'foo, (function foo) as #'foo, and, backquoted\n\ | |
1770 | forms print in the new syntax."); | |
1771 | print_quoted = 0; | |
1772 | ||
e0f69431 | 1773 | DEFVAR_LISP ("print-gensym", &Vprint_gensym, |
081e0581 | 1774 | "Non-nil means print uninterned symbols so they will read as uninterned.\n\ |
265375e7 | 1775 | I.e., the value of (make-symbol \"foobar\") prints as #:foobar.\n\ |
e0f69431 RS |
1776 | When the uninterned symbol appears within a larger data structure,\n\ |
1777 | in addition use the #...# and #...= constructs as needed,\n\ | |
1778 | so that multiple references to the same symbol are shared once again\n\ | |
1779 | when the text is read back.\n\ | |
1780 | \n\ | |
1781 | If the value of `print-gensym' is a cons cell, then in addition refrain from\n\ | |
1782 | clearing `print-gensym-alist' on entry to and exit from printing functions,\n\ | |
1783 | so that the use of #...# and #...= can carry over for several separately\n\ | |
1784 | printed objects."); | |
1785 | Vprint_gensym = Qnil; | |
1786 | ||
1787 | DEFVAR_LISP ("print-gensym-alist", &Vprint_gensym_alist, | |
1788 | "Association list of elements (GENSYM . N) to guide use of #N# and #N=.\n\ | |
1789 | In each element, GENSYM is an uninterned symbol that has been associated\n\ | |
1790 | with #N= for the specified value of N."); | |
1791 | Vprint_gensym_alist = Qnil; | |
081e0581 | 1792 | |
38010d50 JB |
1793 | /* prin1_to_string_buffer initialized in init_buffer_once in buffer.c */ |
1794 | staticpro (&Vprin1_to_string_buffer); | |
1795 | ||
1796 | defsubr (&Sprin1); | |
1797 | defsubr (&Sprin1_to_string); | |
113620cc | 1798 | defsubr (&Serror_message_string); |
38010d50 JB |
1799 | defsubr (&Sprinc); |
1800 | defsubr (&Sprint); | |
1801 | defsubr (&Sterpri); | |
1802 | defsubr (&Swrite_char); | |
1803 | defsubr (&Sexternal_debugging_output); | |
1804 | ||
1805 | Qexternal_debugging_output = intern ("external-debugging-output"); | |
1806 | staticpro (&Qexternal_debugging_output); | |
1807 | ||
2f100b5c EN |
1808 | Qprint_escape_newlines = intern ("print-escape-newlines"); |
1809 | staticpro (&Qprint_escape_newlines); | |
1810 | ||
835d0be6 RS |
1811 | Qprint_escape_multibyte = intern ("print-escape-multibyte"); |
1812 | staticpro (&Qprint_escape_multibyte); | |
1813 | ||
1814 | Qprint_escape_nonascii = intern ("print-escape-nonascii"); | |
1815 | staticpro (&Qprint_escape_nonascii); | |
1816 | ||
38010d50 | 1817 | defsubr (&Swith_output_to_temp_buffer); |
38010d50 | 1818 | } |