Commit | Line | Data |
---|---|---|
38010d50 | 1 | /* Lisp object printing and output streams. |
95df8112 | 2 | |
ab422c4d PE |
3 | Copyright (C) 1985-1986, 1988, 1993-1995, 1997-2013 Free Software |
4 | 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> |
0328b6de | 24 | |
38010d50 | 25 | #include "lisp.h" |
8b4b4467 | 26 | #include "character.h" |
e5560ff7 | 27 | #include "buffer.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 | |
29208e82 | 40 | Lisp_Object Qstandard_output; |
38010d50 | 41 | |
955cbe7b | 42 | static Lisp_Object Qtemp_buffer_setup_hook; |
d9c21094 | 43 | |
2f100b5c | 44 | /* These are used to print like we read. */ |
2f100b5c | 45 | |
955cbe7b | 46 | static Lisp_Object Qfloat_output_format; |
f356c3fb | 47 | |
f356c3fb | 48 | #include <float.h> |
fa2c4f56 | 49 | #include <ftoastr.h> |
f356c3fb | 50 | |
38010d50 | 51 | /* Avoid actual stack overflow in print. */ |
a8b7caa3 | 52 | static ptrdiff_t print_depth; |
38010d50 | 53 | |
a22dec27 | 54 | /* Level of nesting inside outputting backquote in new style. */ |
a8b7caa3 | 55 | static ptrdiff_t new_backquote_output; |
0330bb60 | 56 | |
ec838c39 RS |
57 | /* Detect most circularities to print finite output. */ |
58 | #define PRINT_CIRCLE 200 | |
ad64fc97 | 59 | static Lisp_Object being_printed[PRINT_CIRCLE]; |
ec838c39 | 60 | |
6fec5601 RS |
61 | /* When printing into a buffer, first we put the text in this |
62 | block, then insert it all at once. */ | |
ad64fc97 | 63 | static char *print_buffer; |
6fec5601 RS |
64 | |
65 | /* Size allocated in print_buffer. */ | |
d311d28c | 66 | static ptrdiff_t print_buffer_size; |
dc2a0b79 | 67 | /* Chars stored in print_buffer. */ |
d311d28c | 68 | static ptrdiff_t print_buffer_pos; |
dc2a0b79 | 69 | /* Bytes stored in print_buffer. */ |
d311d28c | 70 | static ptrdiff_t print_buffer_pos_byte; |
6fec5601 | 71 | |
835d0be6 | 72 | Lisp_Object Qprint_escape_newlines; |
955cbe7b | 73 | static Lisp_Object Qprint_escape_multibyte, Qprint_escape_nonascii; |
835d0be6 | 74 | |
a65b85b5 SM |
75 | /* Vprint_number_table is a table, that keeps objects that are going to |
76 | be printed, to allow use of #n= and #n# to express sharing. | |
77 | For any given object, the table can give the following values: | |
78 | t the object will be printed only once. | |
79 | -N the object will be printed several times and will take number N. | |
80 | N the object has been printed so we can refer to it as #N#. | |
81 | print_number_index holds the largest N already used. | |
82 | N has to be striclty larger than 0 since we need to distinguish -N. */ | |
a8b7caa3 | 83 | static ptrdiff_t print_number_index; |
ad64fc97 | 84 | static void print_interval (INTERVAL interval, Lisp_Object printcharfun); |
38010d50 | 85 | |
945b0111 | 86 | /* GDB resets this to zero on W32 to disable OutputDebugString calls. */ |
42c8bc9b | 87 | int print_output_debug_flag EXTERNALLY_VISIBLE = 1; |
945b0111 | 88 | |
38010d50 | 89 | \f |
4ae29f89 | 90 | /* Low level output routines for characters and strings. */ |
38010d50 JB |
91 | |
92 | /* Lisp functions to do output using a stream | |
081e0581 EN |
93 | must have the stream in a variable called printcharfun |
94 | and must start with PRINTPREPARE, end with PRINTFINISH, | |
95 | and use PRINTDECLARE to declare common variables. | |
96 | Use PRINTCHAR to output one character, | |
4ae29f89 | 97 | or call strout to output a block of characters. */ |
0788646c GM |
98 | |
99 | #define PRINTDECLARE \ | |
100 | struct buffer *old = current_buffer; \ | |
d311d28c PE |
101 | ptrdiff_t old_point = -1, start_point = -1; \ |
102 | ptrdiff_t old_point_byte = -1, start_point_byte = -1; \ | |
103 | ptrdiff_t specpdl_count = SPECPDL_INDEX (); \ | |
0788646c | 104 | int free_print_buffer = 0; \ |
4b4deea2 | 105 | int multibyte = !NILP (BVAR (current_buffer, enable_multibyte_characters)); \ |
081e0581 EN |
106 | Lisp_Object original |
107 | ||
0788646c GM |
108 | #define PRINTPREPARE \ |
109 | original = printcharfun; \ | |
110 | if (NILP (printcharfun)) printcharfun = Qt; \ | |
111 | if (BUFFERP (printcharfun)) \ | |
112 | { \ | |
113 | if (XBUFFER (printcharfun) != current_buffer) \ | |
114 | Fset_buffer (printcharfun); \ | |
115 | printcharfun = Qnil; \ | |
116 | } \ | |
117 | if (MARKERP (printcharfun)) \ | |
118 | { \ | |
d311d28c | 119 | ptrdiff_t marker_pos; \ |
cd3587c1 | 120 | if (! XMARKER (printcharfun)->buffer) \ |
0788646c | 121 | error ("Marker does not point anywhere"); \ |
1cf21850 LK |
122 | if (XMARKER (printcharfun)->buffer != current_buffer) \ |
123 | set_buffer_internal (XMARKER (printcharfun)->buffer); \ | |
124 | marker_pos = marker_position (printcharfun); \ | |
125 | if (marker_pos < BEGV || marker_pos > ZV) \ | |
126 | error ("Marker is outside the accessible part of the buffer"); \ | |
0788646c GM |
127 | old_point = PT; \ |
128 | old_point_byte = PT_BYTE; \ | |
1cf21850 | 129 | SET_PT_BOTH (marker_pos, \ |
0788646c GM |
130 | marker_byte_position (printcharfun)); \ |
131 | start_point = PT; \ | |
132 | start_point_byte = PT_BYTE; \ | |
133 | printcharfun = Qnil; \ | |
134 | } \ | |
135 | if (NILP (printcharfun)) \ | |
136 | { \ | |
137 | Lisp_Object string; \ | |
4b4deea2 | 138 | if (NILP (BVAR (current_buffer, enable_multibyte_characters)) \ |
0788646c GM |
139 | && ! print_escape_multibyte) \ |
140 | specbind (Qprint_escape_multibyte, Qt); \ | |
4b4deea2 | 141 | if (! NILP (BVAR (current_buffer, enable_multibyte_characters)) \ |
d39f07c2 RS |
142 | && ! print_escape_nonascii) \ |
143 | specbind (Qprint_escape_nonascii, Qt); \ | |
0788646c GM |
144 | if (print_buffer != 0) \ |
145 | { \ | |
146 | string = make_string_from_bytes (print_buffer, \ | |
147 | print_buffer_pos, \ | |
148 | print_buffer_pos_byte); \ | |
149 | record_unwind_protect (print_unwind, string); \ | |
150 | } \ | |
151 | else \ | |
152 | { \ | |
d311d28c | 153 | int new_size = 1000; \ |
23f86fce | 154 | print_buffer = xmalloc (new_size); \ |
ff5844ad | 155 | print_buffer_size = new_size; \ |
0788646c GM |
156 | free_print_buffer = 1; \ |
157 | } \ | |
158 | print_buffer_pos = 0; \ | |
159 | print_buffer_pos_byte = 0; \ | |
160 | } \ | |
5494b50f | 161 | if (EQ (printcharfun, Qt) && ! noninteractive) \ |
0f25ecc6 | 162 | setup_echo_area_for_printing (multibyte); |
38010d50 | 163 | |
8a2ab0c6 RS |
164 | #define PRINTFINISH \ |
165 | if (NILP (printcharfun)) \ | |
166 | { \ | |
167 | if (print_buffer_pos != print_buffer_pos_byte \ | |
4b4deea2 | 168 | && NILP (BVAR (current_buffer, enable_multibyte_characters))) \ |
8a2ab0c6 | 169 | { \ |
38182d90 | 170 | unsigned char *temp = alloca (print_buffer_pos + 1); \ |
09125ef8 PE |
171 | copy_text ((unsigned char *) print_buffer, temp, \ |
172 | print_buffer_pos_byte, 1, 0); \ | |
b68864e5 | 173 | insert_1_both ((char *) temp, print_buffer_pos, \ |
8a2ab0c6 RS |
174 | print_buffer_pos, 0, 1, 0); \ |
175 | } \ | |
176 | else \ | |
177 | insert_1_both (print_buffer, print_buffer_pos, \ | |
178 | print_buffer_pos_byte, 0, 1, 0); \ | |
570fab6c | 179 | signal_after_change (PT - print_buffer_pos, 0, print_buffer_pos);\ |
8a2ab0c6 RS |
180 | } \ |
181 | if (free_print_buffer) \ | |
182 | { \ | |
183 | xfree (print_buffer); \ | |
184 | print_buffer = 0; \ | |
185 | } \ | |
186 | unbind_to (specpdl_count, Qnil); \ | |
187 | if (MARKERP (original)) \ | |
188 | set_marker_both (original, Qnil, PT, PT_BYTE); \ | |
189 | if (old_point >= 0) \ | |
190 | SET_PT_BOTH (old_point + (old_point >= start_point \ | |
191 | ? PT - start_point : 0), \ | |
6ddd6eee | 192 | old_point_byte + (old_point_byte >= start_point_byte \ |
cd3587c1 | 193 | ? PT_BYTE - start_point_byte : 0)); \ |
a3d794a1 | 194 | set_buffer_internal (old); |
38010d50 JB |
195 | |
196 | #define PRINTCHAR(ch) printchar (ch, printcharfun) | |
197 | ||
08e8d297 RS |
198 | /* This is used to restore the saved contents of print_buffer |
199 | when there is a recursive call to print. */ | |
0788646c | 200 | |
08e8d297 | 201 | static Lisp_Object |
971de7fb | 202 | print_unwind (Lisp_Object saved_text) |
08e8d297 | 203 | { |
72af86bd | 204 | memcpy (print_buffer, SDATA (saved_text), SCHARS (saved_text)); |
ee5263af | 205 | return Qnil; |
08e8d297 RS |
206 | } |
207 | ||
0788646c GM |
208 | |
209 | /* Print character CH using method FUN. FUN nil means print to | |
210 | print_buffer. FUN t means print to echo area or stdout if | |
211 | non-interactive. If FUN is neither nil nor t, call FUN with CH as | |
212 | argument. */ | |
38010d50 JB |
213 | |
214 | static void | |
971de7fb | 215 | printchar (unsigned int ch, Lisp_Object fun) |
38010d50 | 216 | { |
0788646c GM |
217 | if (!NILP (fun) && !EQ (fun, Qt)) |
218 | call1 (fun, make_number (ch)); | |
219 | else | |
38010d50 | 220 | { |
19a86a03 KH |
221 | unsigned char str[MAX_MULTIBYTE_LENGTH]; |
222 | int len = CHAR_STRING (ch, str); | |
223 | ||
09eddb56 | 224 | QUIT; |
177c0ea7 | 225 | |
0788646c | 226 | if (NILP (fun)) |
9a4d01d8 | 227 | { |
d311d28c PE |
228 | ptrdiff_t incr = len - (print_buffer_size - print_buffer_pos_byte); |
229 | if (0 < incr) | |
230 | print_buffer = | |
231 | xpalloc (print_buffer, &print_buffer_size, incr, -1, 1); | |
72af86bd | 232 | memcpy (print_buffer + print_buffer_pos_byte, str, len); |
0788646c GM |
233 | print_buffer_pos += 1; |
234 | print_buffer_pos_byte += len; | |
9a4d01d8 | 235 | } |
0788646c | 236 | else if (noninteractive) |
1134b854 | 237 | { |
0788646c GM |
238 | fwrite (str, 1, len, stdout); |
239 | noninteractive_need_newline = 1; | |
1134b854 | 240 | } |
0788646c | 241 | else |
d366d2e4 | 242 | { |
0788646c | 243 | int multibyte_p |
4b4deea2 | 244 | = !NILP (BVAR (current_buffer, enable_multibyte_characters)); |
177c0ea7 | 245 | |
eb7b678b | 246 | setup_echo_area_for_printing (multibyte_p); |
0788646c | 247 | insert_char (ch); |
09125ef8 | 248 | message_dolog ((char *) str, len, 0, multibyte_p); |
d366d2e4 | 249 | } |
38010d50 | 250 | } |
38010d50 JB |
251 | } |
252 | ||
0788646c GM |
253 | |
254 | /* Output SIZE characters, SIZE_BYTE bytes from string PTR using | |
255 | method PRINTCHARFUN. If SIZE < 0, use the string length of PTR for | |
256 | both SIZE and SIZE_BYTE. PRINTCHARFUN nil means output to | |
257 | print_buffer. PRINTCHARFUN t means output to the echo area or to | |
258 | stdout if non-interactive. If neither nil nor t, call Lisp | |
259 | function PRINTCHARFUN for each character printed. MULTIBYTE | |
efb15f96 RS |
260 | non-zero means PTR contains multibyte characters. |
261 | ||
262 | In the case where PRINTCHARFUN is nil, it is safe for PTR to point | |
263 | to data in a Lisp string. Otherwise that is not safe. */ | |
0788646c | 264 | |
38010d50 | 265 | static void |
d311d28c | 266 | strout (const char *ptr, ptrdiff_t size, ptrdiff_t size_byte, |
1db5b1ad | 267 | Lisp_Object printcharfun) |
38010d50 | 268 | { |
087e3c46 | 269 | if (size < 0) |
dc2a0b79 | 270 | size_byte = size = strlen (ptr); |
087e3c46 | 271 | |
0788646c | 272 | if (NILP (printcharfun)) |
38010d50 | 273 | { |
d311d28c PE |
274 | ptrdiff_t incr = size_byte - (print_buffer_size - print_buffer_pos_byte); |
275 | if (0 < incr) | |
276 | print_buffer = xpalloc (print_buffer, &print_buffer_size, incr, -1, 1); | |
72af86bd | 277 | memcpy (print_buffer + print_buffer_pos_byte, ptr, size_byte); |
6fec5601 | 278 | print_buffer_pos += size; |
dc2a0b79 | 279 | print_buffer_pos_byte += size_byte; |
38010d50 | 280 | } |
7b0cb8a0 | 281 | else if (noninteractive && EQ (printcharfun, Qt)) |
38010d50 | 282 | { |
0788646c GM |
283 | fwrite (ptr, 1, size_byte, stdout); |
284 | noninteractive_need_newline = 1; | |
285 | } | |
286 | else if (EQ (printcharfun, Qt)) | |
287 | { | |
288 | /* Output to echo area. We're trying to avoid a little overhead | |
289 | here, that's the reason we don't call printchar to do the | |
290 | job. */ | |
291 | int i; | |
292 | int multibyte_p | |
4b4deea2 | 293 | = !NILP (BVAR (current_buffer, enable_multibyte_characters)); |
177c0ea7 | 294 | |
eb7b678b | 295 | setup_echo_area_for_printing (multibyte_p); |
0788646c | 296 | message_dolog (ptr, size_byte, 0, multibyte_p); |
177c0ea7 | 297 | |
0788646c | 298 | if (size == size_byte) |
38010d50 | 299 | { |
0788646c | 300 | for (i = 0; i < size; ++i) |
bcdbfd36 | 301 | insert_char ((unsigned char) *ptr++); |
38010d50 | 302 | } |
0788646c | 303 | else |
38010d50 | 304 | { |
0788646c GM |
305 | int len; |
306 | for (i = 0; i < size_byte; i += len) | |
aec2b95b | 307 | { |
09125ef8 PE |
308 | int ch = STRING_CHAR_AND_LENGTH ((const unsigned char *) ptr + i, |
309 | len); | |
0788646c | 310 | insert_char (ch); |
aec2b95b | 311 | } |
38010d50 | 312 | } |
0788646c GM |
313 | } |
314 | else | |
315 | { | |
316 | /* PRINTCHARFUN is a Lisp function. */ | |
d311d28c | 317 | ptrdiff_t i = 0; |
38010d50 | 318 | |
0788646c | 319 | if (size == size_byte) |
4ad8bb20 | 320 | { |
0788646c | 321 | while (i < size_byte) |
4ad8bb20 | 322 | { |
0788646c GM |
323 | int ch = ptr[i++]; |
324 | PRINTCHAR (ch); | |
4ad8bb20 | 325 | } |
4ad8bb20 | 326 | } |
0788646c | 327 | else |
087e3c46 | 328 | { |
0788646c GM |
329 | while (i < size_byte) |
330 | { | |
331 | /* Here, we must convert each multi-byte form to the | |
332 | corresponding character code before handing it to | |
333 | PRINTCHAR. */ | |
334 | int len; | |
09125ef8 PE |
335 | int ch = STRING_CHAR_AND_LENGTH ((const unsigned char *) ptr + i, |
336 | len); | |
0788646c GM |
337 | PRINTCHAR (ch); |
338 | i += len; | |
339 | } | |
087e3c46 | 340 | } |
38010d50 | 341 | } |
38010d50 JB |
342 | } |
343 | ||
344 | /* Print the contents of a string STRING using PRINTCHARFUN. | |
ed2c35ef RS |
345 | It isn't safe to use strout in many cases, |
346 | because printing one char can relocate. */ | |
38010d50 | 347 | |
dc2a0b79 | 348 | static void |
971de7fb | 349 | print_string (Lisp_Object string, Lisp_Object printcharfun) |
38010d50 | 350 | { |
6fec5601 | 351 | if (EQ (printcharfun, Qt) || NILP (printcharfun)) |
375fcc09 | 352 | { |
d311d28c | 353 | ptrdiff_t chars; |
375fcc09 | 354 | |
8b4b4467 KH |
355 | if (print_escape_nonascii) |
356 | string = string_escape_byte8 (string); | |
357 | ||
375fcc09 | 358 | if (STRING_MULTIBYTE (string)) |
d5db4077 | 359 | chars = SCHARS (string); |
8b4b4467 KH |
360 | else if (! print_escape_nonascii |
361 | && (EQ (printcharfun, Qt) | |
4b4deea2 TT |
362 | ? ! NILP (BVAR (&buffer_defaults, enable_multibyte_characters)) |
363 | : ! NILP (BVAR (current_buffer, enable_multibyte_characters)))) | |
a76ef35d KH |
364 | { |
365 | /* If unibyte string STRING contains 8-bit codes, we must | |
366 | convert STRING to a multibyte string containing the same | |
367 | character codes. */ | |
368 | Lisp_Object newstr; | |
d311d28c | 369 | ptrdiff_t bytes; |
a76ef35d | 370 | |
d5db4077 | 371 | chars = SBYTES (string); |
de883a70 | 372 | bytes = count_size_as_multibyte (SDATA (string), chars); |
a76ef35d KH |
373 | if (chars < bytes) |
374 | { | |
375 | newstr = make_uninit_multibyte_string (chars, bytes); | |
72af86bd | 376 | memcpy (SDATA (newstr), SDATA (string), chars); |
d5db4077 | 377 | str_to_multibyte (SDATA (newstr), bytes, chars); |
a76ef35d KH |
378 | string = newstr; |
379 | } | |
380 | } | |
375fcc09 | 381 | else |
d5db4077 | 382 | chars = SBYTES (string); |
375fcc09 | 383 | |
efb15f96 RS |
384 | if (EQ (printcharfun, Qt)) |
385 | { | |
386 | /* Output to echo area. */ | |
d311d28c | 387 | ptrdiff_t nbytes = SBYTES (string); |
efb15f96 RS |
388 | |
389 | /* Copy the string contents so that relocation of STRING by | |
390 | GC does not cause trouble. */ | |
391 | USE_SAFE_ALLOCA; | |
98c6f1e3 | 392 | char *buffer = SAFE_ALLOCA (nbytes); |
72af86bd | 393 | memcpy (buffer, SDATA (string), nbytes); |
efb15f96 | 394 | |
98c6f1e3 | 395 | strout (buffer, chars, nbytes, printcharfun); |
efb15f96 RS |
396 | |
397 | SAFE_FREE (); | |
398 | } | |
399 | else | |
400 | /* No need to copy, since output to print_buffer can't GC. */ | |
1db5b1ad | 401 | strout (SSDATA (string), chars, SBYTES (string), printcharfun); |
375fcc09 | 402 | } |
38010d50 JB |
403 | else |
404 | { | |
dc2a0b79 RS |
405 | /* Otherwise, string may be relocated by printing one char. |
406 | So re-fetch the string address for each character. */ | |
d311d28c PE |
407 | ptrdiff_t i; |
408 | ptrdiff_t size = SCHARS (string); | |
409 | ptrdiff_t size_byte = SBYTES (string); | |
38010d50 JB |
410 | struct gcpro gcpro1; |
411 | GCPRO1 (string); | |
dc2a0b79 RS |
412 | if (size == size_byte) |
413 | for (i = 0; i < size; i++) | |
d5db4077 | 414 | PRINTCHAR (SREF (string, i)); |
dc2a0b79 | 415 | else |
6b61353c | 416 | for (i = 0; i < size_byte; ) |
dc2a0b79 RS |
417 | { |
418 | /* Here, we must convert each multi-byte form to the | |
419 | corresponding character code before handing it to PRINTCHAR. */ | |
420 | int len; | |
62a6e103 | 421 | int ch = STRING_CHAR_AND_LENGTH (SDATA (string) + i, len); |
dc2a0b79 RS |
422 | PRINTCHAR (ch); |
423 | i += len; | |
424 | } | |
38010d50 JB |
425 | UNGCPRO; |
426 | } | |
427 | } | |
428 | \f | |
429 | DEFUN ("write-char", Fwrite_char, Swrite_char, 1, 2, 0, | |
8c1a1077 PJ |
430 | doc: /* Output character CHARACTER to stream PRINTCHARFUN. |
431 | PRINTCHARFUN defaults to the value of `standard-output' (which see). */) | |
5842a27b | 432 | (Lisp_Object character, Lisp_Object printcharfun) |
38010d50 | 433 | { |
081e0581 | 434 | PRINTDECLARE; |
38010d50 | 435 | |
10eebdbb | 436 | if (NILP (printcharfun)) |
38010d50 | 437 | printcharfun = Vstandard_output; |
b7826503 | 438 | CHECK_NUMBER (character); |
38010d50 | 439 | PRINTPREPARE; |
3738a371 | 440 | PRINTCHAR (XINT (character)); |
38010d50 | 441 | PRINTFINISH; |
3738a371 | 442 | return character; |
38010d50 JB |
443 | } |
444 | ||
dc2a0b79 RS |
445 | /* Used from outside of print.c to print a block of SIZE |
446 | single-byte chars at DATA on the default output stream. | |
38010d50 JB |
447 | Do not use this on the contents of a Lisp string. */ |
448 | ||
dc22f25e | 449 | void |
a8fe7202 | 450 | write_string (const char *data, int size) |
38010d50 | 451 | { |
081e0581 | 452 | PRINTDECLARE; |
38010d50 | 453 | Lisp_Object printcharfun; |
38010d50 JB |
454 | |
455 | printcharfun = Vstandard_output; | |
456 | ||
457 | PRINTPREPARE; | |
1db5b1ad | 458 | strout (data, size, size, printcharfun); |
38010d50 JB |
459 | PRINTFINISH; |
460 | } | |
461 | ||
2f7c71a1 AS |
462 | /* Used to print a block of SIZE single-byte chars at DATA on a |
463 | specified stream PRINTCHARFUN. | |
38010d50 JB |
464 | Do not use this on the contents of a Lisp string. */ |
465 | ||
2f7c71a1 | 466 | static void |
a8fe7202 | 467 | write_string_1 (const char *data, int size, Lisp_Object printcharfun) |
38010d50 | 468 | { |
081e0581 | 469 | PRINTDECLARE; |
38010d50 JB |
470 | |
471 | PRINTPREPARE; | |
1db5b1ad | 472 | strout (data, size, size, printcharfun); |
38010d50 JB |
473 | PRINTFINISH; |
474 | } | |
475 | ||
476 | ||
38010d50 | 477 | void |
971de7fb | 478 | temp_output_buffer_setup (const char *bufname) |
38010d50 | 479 | { |
d311d28c | 480 | ptrdiff_t count = SPECPDL_INDEX (); |
38010d50 JB |
481 | register struct buffer *old = current_buffer; |
482 | register Lisp_Object buf; | |
483 | ||
66322887 | 484 | record_unwind_current_buffer (); |
d9c21094 | 485 | |
38010d50 JB |
486 | Fset_buffer (Fget_buffer_create (build_string (bufname))); |
487 | ||
9756ea0f | 488 | Fkill_all_local_variables (); |
fd531951 | 489 | delete_all_overlays (current_buffer); |
39eb03f1 PE |
490 | bset_directory (current_buffer, BVAR (old, directory)); |
491 | bset_read_only (current_buffer, Qnil); | |
492 | bset_filename (current_buffer, Qnil); | |
493 | bset_undo_list (current_buffer, Qt); | |
fd318b54 DA |
494 | eassert (current_buffer->overlays_before == NULL); |
495 | eassert (current_buffer->overlays_after == NULL); | |
39eb03f1 PE |
496 | bset_enable_multibyte_characters |
497 | (current_buffer, BVAR (&buffer_defaults, enable_multibyte_characters)); | |
d28eab19 KH |
498 | specbind (Qinhibit_read_only, Qt); |
499 | specbind (Qinhibit_modification_hooks, Qt); | |
38010d50 | 500 | Ferase_buffer (); |
633307b5 | 501 | XSETBUFFER (buf, current_buffer); |
38010d50 | 502 | |
98040cf1 | 503 | Frun_hooks (1, &Qtemp_buffer_setup_hook); |
d9c21094 RS |
504 | |
505 | unbind_to (count, Qnil); | |
506 | ||
507 | specbind (Qstandard_output, buf); | |
38010d50 | 508 | } |
38010d50 | 509 | \f |
971de7fb DN |
510 | static void print (Lisp_Object obj, register Lisp_Object printcharfun, int escapeflag); |
511 | static void print_preprocess (Lisp_Object obj); | |
512 | static void print_preprocess_string (INTERVAL interval, Lisp_Object arg); | |
513 | static void print_object (Lisp_Object obj, register Lisp_Object printcharfun, int escapeflag); | |
38010d50 | 514 | |
a7ca3326 | 515 | DEFUN ("terpri", Fterpri, Sterpri, 0, 1, 0, |
8c1a1077 PJ |
516 | doc: /* Output a newline to stream PRINTCHARFUN. |
517 | If PRINTCHARFUN is omitted or nil, the value of `standard-output' is used. */) | |
5842a27b | 518 | (Lisp_Object printcharfun) |
38010d50 | 519 | { |
081e0581 | 520 | PRINTDECLARE; |
38010d50 | 521 | |
10eebdbb | 522 | if (NILP (printcharfun)) |
38010d50 JB |
523 | printcharfun = Vstandard_output; |
524 | PRINTPREPARE; | |
525 | PRINTCHAR ('\n'); | |
526 | PRINTFINISH; | |
527 | return Qt; | |
528 | } | |
529 | ||
a7ca3326 | 530 | DEFUN ("prin1", Fprin1, Sprin1, 1, 2, 0, |
8c1a1077 PJ |
531 | doc: /* Output the printed representation of OBJECT, any Lisp object. |
532 | Quoting characters are printed when needed to make output that `read' | |
9474c847 | 533 | can handle, whenever this is possible. For complex objects, the behavior |
7fab9223 | 534 | is controlled by `print-level' and `print-length', which see. |
8c1a1077 PJ |
535 | |
536 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
537 | a list, a buffer, a window, a frame, etc. | |
538 | ||
539 | A printed representation of an object is text which describes that object. | |
540 | ||
541 | Optional argument PRINTCHARFUN is the output stream, which can be one | |
542 | of these: | |
543 | ||
544 | - a buffer, in which case output is inserted into that buffer at point; | |
545 | - a marker, in which case output is inserted at marker's position; | |
546 | - a function, in which case that function is called once for each | |
547 | character of OBJECT's printed representation; | |
548 | - a symbol, in which case that symbol's function definition is called; or | |
549 | - t, in which case the output is displayed in the echo area. | |
550 | ||
551 | If PRINTCHARFUN is omitted, the value of `standard-output' (which see) | |
552 | is used instead. */) | |
5842a27b | 553 | (Lisp_Object object, Lisp_Object printcharfun) |
38010d50 | 554 | { |
081e0581 | 555 | PRINTDECLARE; |
38010d50 | 556 | |
10eebdbb | 557 | if (NILP (printcharfun)) |
38010d50 JB |
558 | printcharfun = Vstandard_output; |
559 | PRINTPREPARE; | |
3738a371 | 560 | print (object, printcharfun, 1); |
38010d50 | 561 | PRINTFINISH; |
3738a371 | 562 | return object; |
38010d50 JB |
563 | } |
564 | ||
565 | /* a buffer which is used to hold output being built by prin1-to-string */ | |
566 | Lisp_Object Vprin1_to_string_buffer; | |
567 | ||
a7ca3326 | 568 | DEFUN ("prin1-to-string", Fprin1_to_string, Sprin1_to_string, 1, 2, 0, |
fd4d156b RS |
569 | doc: /* Return a string containing the printed representation of OBJECT. |
570 | OBJECT can be any Lisp object. This function outputs quoting characters | |
cf393f9b | 571 | when necessary to make output that `read' can handle, whenever possible, |
a2612656 EZ |
572 | unless the optional second argument NOESCAPE is non-nil. For complex objects, |
573 | the behavior is controlled by `print-level' and `print-length', which see. | |
8c1a1077 PJ |
574 | |
575 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
576 | a list, a buffer, a window, a frame, etc. | |
577 | ||
578 | A printed representation of an object is text which describes that object. */) | |
5842a27b | 579 | (Lisp_Object object, Lisp_Object noescape) |
38010d50 | 580 | { |
081e0581 | 581 | Lisp_Object printcharfun; |
fce31d69 | 582 | bool prev_abort_on_gc; |
ca2de342 RS |
583 | /* struct gcpro gcpro1, gcpro2; */ |
584 | Lisp_Object save_deactivate_mark; | |
d311d28c | 585 | ptrdiff_t count = SPECPDL_INDEX (); |
6b61353c | 586 | struct buffer *previous; |
ca2de342 RS |
587 | |
588 | specbind (Qinhibit_modification_hooks, Qt); | |
2a42e8f6 | 589 | |
6b61353c KH |
590 | { |
591 | PRINTDECLARE; | |
592 | ||
593 | /* Save and restore this--we are altering a buffer | |
594 | but we don't want to deactivate the mark just for that. | |
595 | No need for specbind, since errors deactivate the mark. */ | |
596 | save_deactivate_mark = Vdeactivate_mark; | |
597 | /* GCPRO2 (object, save_deactivate_mark); */ | |
fce31d69 PE |
598 | prev_abort_on_gc = abort_on_gc; |
599 | abort_on_gc = 1; | |
6b61353c KH |
600 | |
601 | printcharfun = Vprin1_to_string_buffer; | |
602 | PRINTPREPARE; | |
603 | print (object, printcharfun, NILP (noescape)); | |
6196cffe | 604 | /* Make Vprin1_to_string_buffer be the default buffer after PRINTFINISH */ |
6b61353c KH |
605 | PRINTFINISH; |
606 | } | |
38010d50 | 607 | |
6b61353c | 608 | previous = current_buffer; |
38010d50 | 609 | set_buffer_internal (XBUFFER (Vprin1_to_string_buffer)); |
3738a371 | 610 | object = Fbuffer_string (); |
b51ee131 SM |
611 | if (SBYTES (object) == SCHARS (object)) |
612 | STRING_SET_UNIBYTE (object); | |
38010d50 | 613 | |
28b8f740 | 614 | /* Note that this won't make prepare_to_modify_buffer call |
6b61353c KH |
615 | ask-user-about-supersession-threat because this buffer |
616 | does not visit a file. */ | |
38010d50 | 617 | Ferase_buffer (); |
6b61353c | 618 | set_buffer_internal (previous); |
2a42e8f6 | 619 | |
ca2de342 RS |
620 | Vdeactivate_mark = save_deactivate_mark; |
621 | /* UNGCPRO; */ | |
38010d50 | 622 | |
fce31d69 | 623 | abort_on_gc = prev_abort_on_gc; |
ca2de342 | 624 | return unbind_to (count, object); |
38010d50 JB |
625 | } |
626 | ||
ad64fc97 | 627 | DEFUN ("princ", Fprinc, Sprinc, 1, 2, 0, |
8c1a1077 PJ |
628 | doc: /* Output the printed representation of OBJECT, any Lisp object. |
629 | No quoting characters are used; no delimiters are printed around | |
630 | the contents of strings. | |
631 | ||
632 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
633 | a list, a buffer, a window, a frame, etc. | |
634 | ||
635 | A printed representation of an object is text which describes that object. | |
636 | ||
637 | Optional argument PRINTCHARFUN is the output stream, which can be one | |
638 | of these: | |
639 | ||
640 | - a buffer, in which case output is inserted into that buffer at point; | |
641 | - a marker, in which case output is inserted at marker's position; | |
642 | - a function, in which case that function is called once for each | |
643 | character of OBJECT's printed representation; | |
644 | - a symbol, in which case that symbol's function definition is called; or | |
645 | - t, in which case the output is displayed in the echo area. | |
646 | ||
647 | If PRINTCHARFUN is omitted, the value of `standard-output' (which see) | |
648 | is used instead. */) | |
5842a27b | 649 | (Lisp_Object object, Lisp_Object printcharfun) |
38010d50 | 650 | { |
081e0581 | 651 | PRINTDECLARE; |
38010d50 | 652 | |
10eebdbb | 653 | if (NILP (printcharfun)) |
38010d50 JB |
654 | printcharfun = Vstandard_output; |
655 | PRINTPREPARE; | |
3738a371 | 656 | print (object, printcharfun, 0); |
38010d50 | 657 | PRINTFINISH; |
3738a371 | 658 | return object; |
38010d50 JB |
659 | } |
660 | ||
a7ca3326 | 661 | DEFUN ("print", Fprint, Sprint, 1, 2, 0, |
8c1a1077 PJ |
662 | doc: /* Output the printed representation of OBJECT, with newlines around it. |
663 | Quoting characters are printed when needed to make output that `read' | |
9474c847 | 664 | can handle, whenever this is possible. For complex objects, the behavior |
7fab9223 | 665 | is controlled by `print-level' and `print-length', which see. |
8c1a1077 PJ |
666 | |
667 | OBJECT is any of the Lisp data types: a number, a string, a symbol, | |
668 | a list, a buffer, a window, a frame, etc. | |
669 | ||
670 | A printed representation of an object is text which describes that object. | |
671 | ||
672 | Optional argument PRINTCHARFUN is the output stream, which can be one | |
673 | of these: | |
674 | ||
675 | - a buffer, in which case output is inserted into that buffer at point; | |
676 | - a marker, in which case output is inserted at marker's position; | |
677 | - a function, in which case that function is called once for each | |
678 | character of OBJECT's printed representation; | |
679 | - a symbol, in which case that symbol's function definition is called; or | |
680 | - t, in which case the output is displayed in the echo area. | |
681 | ||
682 | If PRINTCHARFUN is omitted, the value of `standard-output' (which see) | |
683 | is used instead. */) | |
5842a27b | 684 | (Lisp_Object object, Lisp_Object printcharfun) |
38010d50 | 685 | { |
081e0581 | 686 | PRINTDECLARE; |
38010d50 JB |
687 | struct gcpro gcpro1; |
688 | ||
10eebdbb | 689 | if (NILP (printcharfun)) |
38010d50 | 690 | printcharfun = Vstandard_output; |
3738a371 | 691 | GCPRO1 (object); |
38010d50 | 692 | PRINTPREPARE; |
38010d50 | 693 | PRINTCHAR ('\n'); |
3738a371 | 694 | print (object, printcharfun, 1); |
38010d50 JB |
695 | PRINTCHAR ('\n'); |
696 | PRINTFINISH; | |
38010d50 | 697 | UNGCPRO; |
3738a371 | 698 | return object; |
38010d50 JB |
699 | } |
700 | ||
701 | /* The subroutine object for external-debugging-output is kept here | |
702 | for the convenience of the debugger. */ | |
703 | Lisp_Object Qexternal_debugging_output; | |
704 | ||
4746118a | 705 | DEFUN ("external-debugging-output", Fexternal_debugging_output, Sexternal_debugging_output, 1, 1, 0, |
8c1a1077 PJ |
706 | doc: /* Write CHARACTER to stderr. |
707 | You can call print while debugging emacs, and pass it this function | |
708 | to make it write to the debugging output. */) | |
5842a27b | 709 | (Lisp_Object character) |
38010d50 | 710 | { |
0fd11aa5 PE |
711 | CHECK_NUMBER (character); |
712 | putc (XINT (character) & 0xFF, stderr); | |
cd22039d RS |
713 | |
714 | #ifdef WINDOWSNT | |
715 | /* Send the output to a debugger (nothing happens if there isn't one). */ | |
945b0111 EZ |
716 | if (print_output_debug_flag) |
717 | { | |
718 | char buf[2] = {(char) XINT (character), '\0'}; | |
719 | OutputDebugString (buf); | |
720 | } | |
cd22039d RS |
721 | #endif |
722 | ||
38010d50 JB |
723 | return character; |
724 | } | |
cf1bb91b | 725 | |
c33f8948 RS |
726 | /* This function is never called. Its purpose is to prevent |
727 | print_output_debug_flag from being optimized away. */ | |
728 | ||
c38bf546 | 729 | extern void debug_output_compilation_hack (int) EXTERNALLY_VISIBLE; |
dae581bf | 730 | void |
971de7fb | 731 | debug_output_compilation_hack (int x) |
c33f8948 RS |
732 | { |
733 | print_output_debug_flag = x; | |
734 | } | |
6b61353c | 735 | |
cd3587c1 | 736 | #if defined (GNU_LINUX) |
6b61353c KH |
737 | |
738 | /* This functionality is not vitally important in general, so we rely on | |
739 | non-portable ability to use stderr as lvalue. */ | |
740 | ||
741 | #define WITH_REDIRECT_DEBUGGING_OUTPUT 1 | |
742 | ||
ad64fc97 | 743 | static FILE *initial_stderr_stream = NULL; |
6b61353c KH |
744 | |
745 | DEFUN ("redirect-debugging-output", Fredirect_debugging_output, Sredirect_debugging_output, | |
746 | 1, 2, | |
747 | "FDebug output file: \nP", | |
748 | doc: /* Redirect debugging output (stderr stream) to file FILE. | |
749 | If FILE is nil, reset target to the initial stderr stream. | |
750 | Optional arg APPEND non-nil (interactively, with prefix arg) means | |
28b8f740 | 751 | append to existing target file. */) |
5842a27b | 752 | (Lisp_Object file, Lisp_Object append) |
6b61353c KH |
753 | { |
754 | if (initial_stderr_stream != NULL) | |
f9467be3 | 755 | { |
4d7e6e51 | 756 | block_input (); |
f9467be3 | 757 | fclose (stderr); |
4d7e6e51 | 758 | unblock_input (); |
f9467be3 | 759 | } |
6b61353c KH |
760 | stderr = initial_stderr_stream; |
761 | initial_stderr_stream = NULL; | |
762 | ||
763 | if (STRINGP (file)) | |
764 | { | |
765 | file = Fexpand_file_name (file, Qnil); | |
766 | initial_stderr_stream = stderr; | |
d4d7173a | 767 | stderr = fopen (SSDATA (file), NILP (append) ? "w" : "a"); |
6b61353c KH |
768 | if (stderr == NULL) |
769 | { | |
770 | stderr = initial_stderr_stream; | |
771 | initial_stderr_stream = NULL; | |
772 | report_file_error ("Cannot open debugging output stream", | |
773 | Fcons (file, Qnil)); | |
774 | } | |
775 | } | |
776 | return Qnil; | |
777 | } | |
778 | #endif /* GNU_LINUX */ | |
779 | ||
780 | ||
cf1bb91b RS |
781 | /* This is the interface for debugging printing. */ |
782 | ||
783 | void | |
971de7fb | 784 | debug_print (Lisp_Object arg) |
cf1bb91b RS |
785 | { |
786 | Fprin1 (arg, Qexternal_debugging_output); | |
3684eb78 | 787 | fprintf (stderr, "\r\n"); |
cf1bb91b | 788 | } |
bd90dcd0 | 789 | |
e3b27b31 | 790 | void safe_debug_print (Lisp_Object) EXTERNALLY_VISIBLE; |
bd90dcd0 | 791 | void |
971de7fb | 792 | safe_debug_print (Lisp_Object arg) |
bd90dcd0 KS |
793 | { |
794 | int valid = valid_lisp_object_p (arg); | |
795 | ||
796 | if (valid > 0) | |
797 | debug_print (arg); | |
798 | else | |
c2982e87 | 799 | fprintf (stderr, "#<%s_LISP_OBJECT 0x%08"pI"x>\r\n", |
bd90dcd0 | 800 | !valid ? "INVALID" : "SOME", |
61ddb1b9 | 801 | XLI (arg)); |
bd90dcd0 KS |
802 | } |
803 | ||
38010d50 | 804 | \f |
a7ca3326 | 805 | DEFUN ("error-message-string", Ferror_message_string, Serror_message_string, |
113620cc | 806 | 1, 1, 0, |
6b61353c KH |
807 | doc: /* Convert an error value (ERROR-SYMBOL . DATA) to an error message. |
808 | See Info anchor `(elisp)Definition of signal' for some details on how this | |
809 | error message is constructed. */) | |
5842a27b | 810 | (Lisp_Object obj) |
113620cc KH |
811 | { |
812 | struct buffer *old = current_buffer; | |
63fbf4ff | 813 | Lisp_Object value; |
113620cc KH |
814 | struct gcpro gcpro1; |
815 | ||
0872e11f RS |
816 | /* If OBJ is (error STRING), just return STRING. |
817 | That is not only faster, it also avoids the need to allocate | |
818 | space here when the error is due to memory full. */ | |
94b342ce KR |
819 | if (CONSP (obj) && EQ (XCAR (obj), Qerror) |
820 | && CONSP (XCDR (obj)) | |
821 | && STRINGP (XCAR (XCDR (obj))) | |
822 | && NILP (XCDR (XCDR (obj)))) | |
823 | return XCAR (XCDR (obj)); | |
0872e11f | 824 | |
240e806c | 825 | print_error_message (obj, Vprin1_to_string_buffer, 0, Qnil); |
113620cc KH |
826 | |
827 | set_buffer_internal (XBUFFER (Vprin1_to_string_buffer)); | |
828 | value = Fbuffer_string (); | |
829 | ||
830 | GCPRO1 (value); | |
831 | Ferase_buffer (); | |
832 | set_buffer_internal (old); | |
833 | UNGCPRO; | |
834 | ||
835 | return value; | |
836 | } | |
837 | ||
c02279de | 838 | /* Print an error message for the error DATA onto Lisp output stream |
7ab56fea RS |
839 | STREAM (suitable for the print functions). |
840 | CONTEXT is a C string describing the context of the error. | |
841 | CALLER is the Lisp function inside which the error was signaled. */ | |
113620cc | 842 | |
dc22f25e | 843 | void |
a8fe7202 AS |
844 | print_error_message (Lisp_Object data, Lisp_Object stream, const char *context, |
845 | Lisp_Object caller) | |
113620cc KH |
846 | { |
847 | Lisp_Object errname, errmsg, file_error, tail; | |
848 | struct gcpro gcpro1; | |
113620cc | 849 | |
240e806c RS |
850 | if (context != 0) |
851 | write_string_1 (context, -1, stream); | |
852 | ||
853 | /* If we know from where the error was signaled, show it in | |
854 | *Messages*. */ | |
855 | if (!NILP (caller) && SYMBOLP (caller)) | |
856 | { | |
11fb15d5 | 857 | Lisp_Object cname = SYMBOL_NAME (caller); |
98c6f1e3 | 858 | ptrdiff_t cnamelen = SBYTES (cname); |
d311d28c | 859 | USE_SAFE_ALLOCA; |
98c6f1e3 PE |
860 | char *name = SAFE_ALLOCA (cnamelen); |
861 | memcpy (name, SDATA (cname), cnamelen); | |
862 | message_dolog (name, cnamelen, 0, 0); | |
240e806c | 863 | message_dolog (": ", 2, 0, 0); |
d311d28c | 864 | SAFE_FREE (); |
240e806c RS |
865 | } |
866 | ||
113620cc KH |
867 | errname = Fcar (data); |
868 | ||
869 | if (EQ (errname, Qerror)) | |
870 | { | |
871 | data = Fcdr (data); | |
c02279de GM |
872 | if (!CONSP (data)) |
873 | data = Qnil; | |
113620cc KH |
874 | errmsg = Fcar (data); |
875 | file_error = Qnil; | |
876 | } | |
877 | else | |
878 | { | |
71873e2b | 879 | Lisp_Object error_conditions = Fget (errname, Qerror_conditions); |
113620cc | 880 | errmsg = Fget (errname, Qerror_message); |
c02279de | 881 | file_error = Fmemq (Qfile_error, error_conditions); |
113620cc KH |
882 | } |
883 | ||
884 | /* Print an error message including the data items. */ | |
885 | ||
886 | tail = Fcdr_safe (data); | |
887 | GCPRO1 (tail); | |
888 | ||
889 | /* For file-error, make error message by concatenating | |
890 | all the data items. They are all strings. */ | |
8c29413d | 891 | if (!NILP (file_error) && CONSP (tail)) |
94b342ce | 892 | errmsg = XCAR (tail), tail = XCDR (tail); |
113620cc | 893 | |
71873e2b SM |
894 | { |
895 | const char *sep = ": "; | |
896 | ||
897 | if (!STRINGP (errmsg)) | |
898 | write_string_1 ("peculiar error", -1, stream); | |
899 | else if (SCHARS (errmsg)) | |
900 | Fprinc (errmsg, stream); | |
901 | else | |
902 | sep = NULL; | |
903 | ||
904 | for (; CONSP (tail); tail = XCDR (tail), sep = ", ") | |
905 | { | |
906 | Lisp_Object obj; | |
99027bdd | 907 | |
71873e2b SM |
908 | if (sep) |
909 | write_string_1 (sep, 2, stream); | |
910 | obj = XCAR (tail); | |
911 | if (!NILP (file_error) | |
912 | || EQ (errname, Qend_of_file) || EQ (errname, Quser_error)) | |
913 | Fprinc (obj, stream); | |
914 | else | |
915 | Fprin1 (obj, stream); | |
916 | } | |
917 | } | |
177c0ea7 | 918 | |
113620cc KH |
919 | UNGCPRO; |
920 | } | |
38010d50 | 921 | |
c02279de GM |
922 | |
923 | \f | |
38010d50 | 924 | /* |
edb2a707 | 925 | * The buffer should be at least as large as the max string size of the |
8e6208c5 | 926 | * largest float, printed in the biggest notation. This is undoubtedly |
38010d50 JB |
927 | * 20d float_output_format, with the negative of the C-constant "HUGE" |
928 | * from <math.h>. | |
177c0ea7 | 929 | * |
38010d50 | 930 | * On the vax the worst case is -1e38 in 20d format which takes 61 bytes. |
177c0ea7 | 931 | * |
38010d50 JB |
932 | * I assume that IEEE-754 format numbers can take 329 bytes for the worst |
933 | * case of -1e307 in 20d float_output_format. What is one to do (short of | |
934 | * re-writing _doprnt to be more sane)? | |
935 | * -wsr | |
6e8e6bf2 | 936 | * Given the above, the buffer must be least FLOAT_TO_STRING_BUFSIZE bytes. |
38010d50 | 937 | */ |
edb2a707 | 938 | |
99027bdd | 939 | int |
57ace6d0 | 940 | float_to_string (char *buf, double data) |
38010d50 | 941 | { |
57ace6d0 | 942 | char *cp; |
322890c4 | 943 | int width; |
99027bdd | 944 | int len; |
177c0ea7 | 945 | |
7f45de2d RS |
946 | /* Check for plus infinity in a way that won't lose |
947 | if there is no plus infinity. */ | |
948 | if (data == data / 2 && data > 1.0) | |
949 | { | |
99027bdd PE |
950 | static char const infinity_string[] = "1.0e+INF"; |
951 | strcpy (buf, infinity_string); | |
952 | return sizeof infinity_string - 1; | |
7f45de2d RS |
953 | } |
954 | /* Likewise for minus infinity. */ | |
955 | if (data == data / 2 && data < -1.0) | |
956 | { | |
99027bdd PE |
957 | static char const minus_infinity_string[] = "-1.0e+INF"; |
958 | strcpy (buf, minus_infinity_string); | |
959 | return sizeof minus_infinity_string - 1; | |
7f45de2d RS |
960 | } |
961 | /* Check for NaN in a way that won't fail if there are no NaNs. */ | |
962 | if (! (data * 0.0 >= 0.0)) | |
963 | { | |
68c45bf0 PE |
964 | /* Prepend "-" if the NaN's sign bit is negative. |
965 | The sign bit of a double is the bit that is 1 in -0.0. */ | |
99027bdd | 966 | static char const NaN_string[] = "0.0e+NaN"; |
68c45bf0 PE |
967 | int i; |
968 | union { double d; char c[sizeof (double)]; } u_data, u_minus_zero; | |
99027bdd | 969 | int negative = 0; |
68c45bf0 PE |
970 | u_data.d = data; |
971 | u_minus_zero.d = - 0.0; | |
972 | for (i = 0; i < sizeof (double); i++) | |
973 | if (u_data.c[i] & u_minus_zero.c[i]) | |
974 | { | |
99027bdd PE |
975 | *buf = '-'; |
976 | negative = 1; | |
68c45bf0 PE |
977 | break; |
978 | } | |
177c0ea7 | 979 | |
99027bdd PE |
980 | strcpy (buf + negative, NaN_string); |
981 | return negative + sizeof NaN_string - 1; | |
7f45de2d RS |
982 | } |
983 | ||
10eebdbb | 984 | if (NILP (Vfloat_output_format) |
d4ae1f7e | 985 | || !STRINGP (Vfloat_output_format)) |
38010d50 | 986 | lose: |
322890c4 | 987 | { |
f356c3fb | 988 | /* Generate the fewest number of digits that represent the |
6e8e6bf2 | 989 | floating point value without losing information. */ |
99027bdd | 990 | len = dtoastr (buf, FLOAT_TO_STRING_BUFSIZE - 2, 0, 0, data); |
75b43359 MWD |
991 | /* The decimal point must be printed, or the byte compiler can |
992 | get confused (Bug#8033). */ | |
993 | width = 1; | |
322890c4 | 994 | } |
38010d50 JB |
995 | else /* oink oink */ |
996 | { | |
997 | /* Check that the spec we have is fully valid. | |
998 | This means not only valid for printf, | |
999 | but meant for floats, and reasonable. */ | |
57ace6d0 | 1000 | cp = SSDATA (Vfloat_output_format); |
38010d50 JB |
1001 | |
1002 | if (cp[0] != '%') | |
1003 | goto lose; | |
1004 | if (cp[1] != '.') | |
1005 | goto lose; | |
1006 | ||
1007 | cp += 2; | |
c7b14277 JB |
1008 | |
1009 | /* Check the width specification. */ | |
322890c4 | 1010 | width = -1; |
c7b14277 | 1011 | if ('0' <= *cp && *cp <= '9') |
381cd4bb KH |
1012 | { |
1013 | width = 0; | |
1014 | do | |
aca216ff PE |
1015 | { |
1016 | width = (width * 10) + (*cp++ - '0'); | |
1017 | if (DBL_DIG < width) | |
1018 | goto lose; | |
1019 | } | |
381cd4bb KH |
1020 | while (*cp >= '0' && *cp <= '9'); |
1021 | ||
1022 | /* A precision of zero is valid only for %f. */ | |
aca216ff | 1023 | if (width == 0 && *cp != 'f') |
381cd4bb KH |
1024 | goto lose; |
1025 | } | |
38010d50 JB |
1026 | |
1027 | if (*cp != 'e' && *cp != 'f' && *cp != 'g') | |
1028 | goto lose; | |
1029 | ||
38010d50 JB |
1030 | if (cp[1] != 0) |
1031 | goto lose; | |
1032 | ||
99027bdd | 1033 | len = sprintf (buf, SSDATA (Vfloat_output_format), data); |
38010d50 | 1034 | } |
edb2a707 | 1035 | |
c7b14277 JB |
1036 | /* Make sure there is a decimal point with digit after, or an |
1037 | exponent, so that the value is readable as a float. But don't do | |
322890c4 RS |
1038 | this with "%.0f"; it's valid for that not to produce a decimal |
1039 | point. Note that width can be 0 only for %.0f. */ | |
1040 | if (width != 0) | |
0601fd3d | 1041 | { |
c7b14277 JB |
1042 | for (cp = buf; *cp; cp++) |
1043 | if ((*cp < '0' || *cp > '9') && *cp != '-') | |
1044 | break; | |
0601fd3d | 1045 | |
c7b14277 JB |
1046 | if (*cp == '.' && cp[1] == 0) |
1047 | { | |
1048 | cp[1] = '0'; | |
1049 | cp[2] = 0; | |
99027bdd | 1050 | len++; |
c7b14277 | 1051 | } |
75b43359 | 1052 | else if (*cp == 0) |
c7b14277 JB |
1053 | { |
1054 | *cp++ = '.'; | |
1055 | *cp++ = '0'; | |
1056 | *cp++ = 0; | |
99027bdd | 1057 | len += 2; |
c7b14277 | 1058 | } |
edb2a707 | 1059 | } |
99027bdd PE |
1060 | |
1061 | return len; | |
38010d50 | 1062 | } |
cc94f3b2 | 1063 | |
38010d50 JB |
1064 | \f |
1065 | static void | |
971de7fb | 1066 | print (Lisp_Object obj, register Lisp_Object printcharfun, int escapeflag) |
38010d50 | 1067 | { |
a22dec27 | 1068 | new_backquote_output = 0; |
38010d50 | 1069 | |
0f25ecc6 RS |
1070 | /* Reset print_number_index and Vprint_number_table only when |
1071 | the variable Vprint_continuous_numbering is nil. Otherwise, | |
1072 | the values of these variables will be kept between several | |
1073 | print functions. */ | |
e026eb89 KS |
1074 | if (NILP (Vprint_continuous_numbering) |
1075 | || NILP (Vprint_number_table)) | |
0f25ecc6 RS |
1076 | { |
1077 | print_number_index = 0; | |
1078 | Vprint_number_table = Qnil; | |
1079 | } | |
38010d50 | 1080 | |
0f25ecc6 RS |
1081 | /* Construct Vprint_number_table for print-gensym and print-circle. */ |
1082 | if (!NILP (Vprint_gensym) || !NILP (Vprint_circle)) | |
ec838c39 | 1083 | { |
e6d4cddd RS |
1084 | /* Construct Vprint_number_table. |
1085 | This increments print_number_index for the objects added. */ | |
9a6a4c40 | 1086 | print_depth = 0; |
0f25ecc6 | 1087 | print_preprocess (obj); |
e6d4cddd | 1088 | |
a65b85b5 SM |
1089 | if (HASH_TABLE_P (Vprint_number_table)) |
1090 | { /* Remove unnecessary objects, which appear only once in OBJ; | |
a179e3f7 | 1091 | that is, whose status is Qt. */ |
a65b85b5 | 1092 | struct Lisp_Hash_Table *h = XHASH_TABLE (Vprint_number_table); |
d311d28c | 1093 | ptrdiff_t i; |
e6d4cddd | 1094 | |
a65b85b5 SM |
1095 | for (i = 0; i < HASH_TABLE_SIZE (h); ++i) |
1096 | if (!NILP (HASH_HASH (h, i)) | |
1097 | && EQ (HASH_VALUE (h, i), Qt)) | |
1098 | Fremhash (HASH_KEY (h, i), Vprint_number_table); | |
1099 | } | |
0f25ecc6 RS |
1100 | } |
1101 | ||
9a6a4c40 | 1102 | print_depth = 0; |
0f25ecc6 RS |
1103 | print_object (obj, printcharfun, escapeflag); |
1104 | } | |
1105 | ||
fb103ca9 SM |
1106 | #define PRINT_CIRCLE_CANDIDATE_P(obj) \ |
1107 | (STRINGP (obj) || CONSP (obj) \ | |
1108 | || (VECTORLIKEP (obj) \ | |
1109 | && (VECTORP (obj) || COMPILEDP (obj) \ | |
1110 | || CHAR_TABLE_P (obj) || SUB_CHAR_TABLE_P (obj) \ | |
1111 | || HASH_TABLE_P (obj) || FONTP (obj))) \ | |
1112 | || (! NILP (Vprint_gensym) \ | |
1113 | && SYMBOLP (obj) \ | |
1114 | && !SYMBOL_INTERNED_P (obj))) | |
1115 | ||
0f25ecc6 RS |
1116 | /* Construct Vprint_number_table according to the structure of OBJ. |
1117 | OBJ itself and all its elements will be added to Vprint_number_table | |
1118 | recursively if it is a list, vector, compiled function, char-table, | |
1119 | string (its text properties will be traced), or a symbol that has | |
1120 | no obarray (this is for the print-gensym feature). | |
1121 | The status fields of Vprint_number_table mean whether each object appears | |
1122 | more than once in OBJ: Qnil at the first time, and Qt after that . */ | |
1123 | static void | |
971de7fb | 1124 | print_preprocess (Lisp_Object obj) |
0f25ecc6 | 1125 | { |
6b61353c | 1126 | int i; |
d311d28c | 1127 | ptrdiff_t size; |
c1132671 RS |
1128 | int loop_count = 0; |
1129 | Lisp_Object halftail; | |
1130 | ||
1131 | /* Avoid infinite recursion for circular nested structure | |
1132 | in the case where Vprint_circle is nil. */ | |
1133 | if (NILP (Vprint_circle)) | |
1134 | { | |
4ae29f89 SM |
1135 | /* Give up if we go so deep that print_object will get an error. */ |
1136 | /* See similar code in print_object. */ | |
1137 | if (print_depth >= PRINT_CIRCLE) | |
1138 | error ("Apparently circular structure being printed"); | |
1139 | ||
c1132671 RS |
1140 | for (i = 0; i < print_depth; i++) |
1141 | if (EQ (obj, being_printed[i])) | |
1142 | return; | |
1143 | being_printed[print_depth] = obj; | |
1144 | } | |
1145 | ||
c1132671 RS |
1146 | print_depth++; |
1147 | halftail = obj; | |
0f25ecc6 RS |
1148 | |
1149 | loop: | |
fb103ca9 | 1150 | if (PRINT_CIRCLE_CANDIDATE_P (obj)) |
0f25ecc6 | 1151 | { |
a65b85b5 SM |
1152 | if (!HASH_TABLE_P (Vprint_number_table)) |
1153 | { | |
1154 | Lisp_Object args[2]; | |
1155 | args[0] = QCtest; | |
1156 | args[1] = Qeq; | |
1157 | Vprint_number_table = Fmake_hash_table (2, args); | |
1158 | } | |
1159 | ||
aca2020b KH |
1160 | /* In case print-circle is nil and print-gensym is t, |
1161 | add OBJ to Vprint_number_table only when OBJ is a symbol. */ | |
1162 | if (! NILP (Vprint_circle) || SYMBOLP (obj)) | |
0f25ecc6 | 1163 | { |
a65b85b5 SM |
1164 | Lisp_Object num = Fgethash (obj, Vprint_number_table, Qnil); |
1165 | if (!NILP (num) | |
1166 | /* If Vprint_continuous_numbering is non-nil and OBJ is a gensym, | |
1167 | always print the gensym with a number. This is a special for | |
1168 | the lisp function byte-compile-output-docform. */ | |
1169 | || (!NILP (Vprint_continuous_numbering) | |
1170 | && SYMBOLP (obj) | |
1171 | && !SYMBOL_INTERNED_P (obj))) | |
1172 | { /* OBJ appears more than once. Let's remember that. */ | |
17870c01 | 1173 | if (!INTEGERP (num)) |
aca2020b | 1174 | { |
a65b85b5 SM |
1175 | print_number_index++; |
1176 | /* Negative number indicates it hasn't been printed yet. */ | |
1177 | Fputhash (obj, make_number (- print_number_index), | |
1178 | Vprint_number_table); | |
aca2020b | 1179 | } |
a65b85b5 SM |
1180 | print_depth--; |
1181 | return; | |
0f25ecc6 | 1182 | } |
a65b85b5 SM |
1183 | else |
1184 | /* OBJ is not yet recorded. Let's add to the table. */ | |
1185 | Fputhash (obj, Qt, Vprint_number_table); | |
0f25ecc6 | 1186 | } |
0f25ecc6 | 1187 | |
8e50cc2d | 1188 | switch (XTYPE (obj)) |
0f25ecc6 RS |
1189 | { |
1190 | case Lisp_String: | |
0f25ecc6 | 1191 | /* A string may have text properties, which can be circular. */ |
0c94c8d6 | 1192 | traverse_intervals_noorder (string_intervals (obj), |
8bbfc258 | 1193 | print_preprocess_string, Qnil); |
0f25ecc6 RS |
1194 | break; |
1195 | ||
1196 | case Lisp_Cons: | |
c1132671 RS |
1197 | /* Use HALFTAIL and LOOP_COUNT to detect circular lists, |
1198 | just as in print_object. */ | |
1199 | if (loop_count && EQ (obj, halftail)) | |
1200 | break; | |
0f25ecc6 RS |
1201 | print_preprocess (XCAR (obj)); |
1202 | obj = XCDR (obj); | |
c1132671 RS |
1203 | loop_count++; |
1204 | if (!(loop_count & 1)) | |
1205 | halftail = XCDR (halftail); | |
0f25ecc6 RS |
1206 | goto loop; |
1207 | ||
1208 | case Lisp_Vectorlike: | |
77b37c05 | 1209 | size = ASIZE (obj); |
6b61353c KH |
1210 | if (size & PSEUDOVECTOR_FLAG) |
1211 | size &= PSEUDOVECTOR_SIZE_MASK; | |
0f25ecc6 | 1212 | for (i = 0; i < size; i++) |
28be1ada | 1213 | print_preprocess (AREF (obj, i)); |
3e0de07f SM |
1214 | if (HASH_TABLE_P (obj)) |
1215 | { /* For hash tables, the key_and_value slot is past | |
a65b85b5 SM |
1216 | `size' because it needs to be marked specially in case |
1217 | the table is weak. */ | |
3e0de07f SM |
1218 | struct Lisp_Hash_Table *h = XHASH_TABLE (obj); |
1219 | print_preprocess (h->key_and_value); | |
1220 | } | |
ee5263af GM |
1221 | break; |
1222 | ||
1223 | default: | |
1224 | break; | |
0f25ecc6 RS |
1225 | } |
1226 | } | |
c1132671 | 1227 | print_depth--; |
0f25ecc6 RS |
1228 | } |
1229 | ||
0f25ecc6 | 1230 | static void |
971de7fb | 1231 | print_preprocess_string (INTERVAL interval, Lisp_Object arg) |
0f25ecc6 RS |
1232 | { |
1233 | print_preprocess (interval->plist); | |
1234 | } | |
0f25ecc6 | 1235 | |
971de7fb | 1236 | static void print_check_string_charset_prop (INTERVAL interval, Lisp_Object string); |
71ea13cb KH |
1237 | |
1238 | #define PRINT_STRING_NON_CHARSET_FOUND 1 | |
1239 | #define PRINT_STRING_UNSAFE_CHARSET_FOUND 2 | |
1240 | ||
4ae29f89 | 1241 | /* Bitwise or of the above macros. */ |
71ea13cb KH |
1242 | static int print_check_string_result; |
1243 | ||
1244 | static void | |
971de7fb | 1245 | print_check_string_charset_prop (INTERVAL interval, Lisp_Object string) |
71ea13cb KH |
1246 | { |
1247 | Lisp_Object val; | |
1248 | ||
1249 | if (NILP (interval->plist) | |
1250 | || (print_check_string_result == (PRINT_STRING_NON_CHARSET_FOUND | |
1251 | | PRINT_STRING_UNSAFE_CHARSET_FOUND))) | |
1252 | return; | |
1253 | for (val = interval->plist; CONSP (val) && ! EQ (XCAR (val), Qcharset); | |
1254 | val = XCDR (XCDR (val))); | |
1255 | if (! CONSP (val)) | |
1256 | { | |
1257 | print_check_string_result |= PRINT_STRING_NON_CHARSET_FOUND; | |
1258 | return; | |
1259 | } | |
1260 | if (! (print_check_string_result & PRINT_STRING_NON_CHARSET_FOUND)) | |
1261 | { | |
1262 | if (! EQ (val, interval->plist) | |
1263 | || CONSP (XCDR (XCDR (val)))) | |
1264 | print_check_string_result |= PRINT_STRING_NON_CHARSET_FOUND; | |
1265 | } | |
1266 | if (NILP (Vprint_charset_text_property) | |
1267 | || ! (print_check_string_result & PRINT_STRING_UNSAFE_CHARSET_FOUND)) | |
1268 | { | |
1269 | int i, c; | |
d311d28c PE |
1270 | ptrdiff_t charpos = interval->position; |
1271 | ptrdiff_t bytepos = string_char_to_byte (string, charpos); | |
71ea13cb KH |
1272 | Lisp_Object charset; |
1273 | ||
1274 | charset = XCAR (XCDR (val)); | |
1275 | for (i = 0; i < LENGTH (interval); i++) | |
1276 | { | |
1277 | FETCH_STRING_CHAR_ADVANCE (c, string, charpos, bytepos); | |
c80bcdbc KH |
1278 | if (! ASCII_CHAR_P (c) |
1279 | && ! EQ (CHARSET_NAME (CHAR_CHARSET (c)), charset)) | |
71ea13cb KH |
1280 | { |
1281 | print_check_string_result |= PRINT_STRING_UNSAFE_CHARSET_FOUND; | |
1282 | break; | |
1283 | } | |
1284 | } | |
1285 | } | |
1286 | } | |
1287 | ||
1288 | /* The value is (charset . nil). */ | |
1289 | static Lisp_Object print_prune_charset_plist; | |
1290 | ||
1291 | static Lisp_Object | |
971de7fb | 1292 | print_prune_string_charset (Lisp_Object string) |
71ea13cb KH |
1293 | { |
1294 | print_check_string_result = 0; | |
0c94c8d6 | 1295 | traverse_intervals (string_intervals (string), 0, |
71ea13cb KH |
1296 | print_check_string_charset_prop, string); |
1297 | if (! (print_check_string_result & PRINT_STRING_UNSAFE_CHARSET_FOUND)) | |
1298 | { | |
1299 | string = Fcopy_sequence (string); | |
1300 | if (print_check_string_result & PRINT_STRING_NON_CHARSET_FOUND) | |
1301 | { | |
1302 | if (NILP (print_prune_charset_plist)) | |
1303 | print_prune_charset_plist = Fcons (Qcharset, Qnil); | |
eabe04c0 KH |
1304 | Fremove_text_properties (make_number (0), |
1305 | make_number (SCHARS (string)), | |
71ea13cb KH |
1306 | print_prune_charset_plist, string); |
1307 | } | |
1308 | else | |
eabe04c0 KH |
1309 | Fset_text_properties (make_number (0), make_number (SCHARS (string)), |
1310 | Qnil, string); | |
71ea13cb KH |
1311 | } |
1312 | return string; | |
1313 | } | |
1314 | ||
0f25ecc6 | 1315 | static void |
971de7fb | 1316 | print_object (Lisp_Object obj, register Lisp_Object printcharfun, int escapeflag) |
0f25ecc6 | 1317 | { |
aca216ff PE |
1318 | char buf[max (sizeof "from..to..in " + 2 * INT_STRLEN_BOUND (EMACS_INT), |
1319 | max (sizeof " . #" + INT_STRLEN_BOUND (printmax_t), | |
1320 | 40))]; | |
0f25ecc6 RS |
1321 | |
1322 | QUIT; | |
1323 | ||
1324 | /* Detect circularities and truncate them. */ | |
4ae29f89 | 1325 | if (NILP (Vprint_circle)) |
0f25ecc6 | 1326 | { |
4ae29f89 SM |
1327 | /* Simple but incomplete way. */ |
1328 | int i; | |
1329 | ||
1330 | /* See similar code in print_preprocess. */ | |
1331 | if (print_depth >= PRINT_CIRCLE) | |
1332 | error ("Apparently circular structure being printed"); | |
1333 | ||
1334 | for (i = 0; i < print_depth; i++) | |
1335 | if (EQ (obj, being_printed[i])) | |
1336 | { | |
99027bdd PE |
1337 | int len = sprintf (buf, "#%d", i); |
1338 | strout (buf, len, len, printcharfun); | |
4ae29f89 SM |
1339 | return; |
1340 | } | |
1341 | being_printed[print_depth] = obj; | |
1342 | } | |
1343 | else if (PRINT_CIRCLE_CANDIDATE_P (obj)) | |
1344 | { | |
1345 | /* With the print-circle feature. */ | |
1346 | Lisp_Object num = Fgethash (obj, Vprint_number_table, Qnil); | |
1347 | if (INTEGERP (num)) | |
0f25ecc6 | 1348 | { |
4ae29f89 SM |
1349 | EMACS_INT n = XINT (num); |
1350 | if (n < 0) | |
1351 | { /* Add a prefix #n= if OBJ has not yet been printed; | |
1352 | that is, its status field is nil. */ | |
99027bdd PE |
1353 | int len = sprintf (buf, "#%"pI"d=", -n); |
1354 | strout (buf, len, len, printcharfun); | |
4ae29f89 SM |
1355 | /* OBJ is going to be printed. Remember that fact. */ |
1356 | Fputhash (obj, make_number (- n), Vprint_number_table); | |
1357 | } | |
1358 | else | |
a65b85b5 | 1359 | { |
4ae29f89 | 1360 | /* Just print #n# if OBJ has already been printed. */ |
99027bdd PE |
1361 | int len = sprintf (buf, "#%"pI"d#", n); |
1362 | strout (buf, len, len, printcharfun); | |
4ae29f89 | 1363 | return; |
a65b85b5 | 1364 | } |
0f25ecc6 | 1365 | } |
ec838c39 | 1366 | } |
ec838c39 | 1367 | |
38010d50 JB |
1368 | print_depth++; |
1369 | ||
8e50cc2d | 1370 | switch (XTYPE (obj)) |
38010d50 | 1371 | { |
2de9f71c | 1372 | case_Lisp_Int: |
99027bdd PE |
1373 | { |
1374 | int len = sprintf (buf, "%"pI"d", XINT (obj)); | |
1375 | strout (buf, len, len, printcharfun); | |
1376 | } | |
ca0569ad RS |
1377 | break; |
1378 | ||
ca0569ad RS |
1379 | case Lisp_Float: |
1380 | { | |
6e8e6bf2 | 1381 | char pigbuf[FLOAT_TO_STRING_BUFSIZE]; |
99027bdd PE |
1382 | int len = float_to_string (pigbuf, XFLOAT_DATA (obj)); |
1383 | strout (pigbuf, len, len, printcharfun); | |
ca0569ad RS |
1384 | } |
1385 | break; | |
ca0569ad RS |
1386 | |
1387 | case Lisp_String: | |
38010d50 JB |
1388 | if (!escapeflag) |
1389 | print_string (obj, printcharfun); | |
1390 | else | |
1391 | { | |
d311d28c | 1392 | register ptrdiff_t i_byte; |
38010d50 | 1393 | struct gcpro gcpro1; |
872a36d2 | 1394 | unsigned char *str; |
d311d28c | 1395 | ptrdiff_t size_byte; |
453fa987 RS |
1396 | /* 1 means we must ensure that the next character we output |
1397 | cannot be taken as part of a hex character escape. */ | |
1398 | int need_nonhex = 0; | |
db300f59 | 1399 | int multibyte = STRING_MULTIBYTE (obj); |
38010d50 | 1400 | |
7651e1f5 RS |
1401 | GCPRO1 (obj); |
1402 | ||
71ea13cb KH |
1403 | if (! EQ (Vprint_charset_text_property, Qt)) |
1404 | obj = print_prune_string_charset (obj); | |
1405 | ||
0c94c8d6 | 1406 | if (string_intervals (obj)) |
7651e1f5 RS |
1407 | { |
1408 | PRINTCHAR ('#'); | |
1409 | PRINTCHAR ('('); | |
1410 | } | |
38010d50 JB |
1411 | |
1412 | PRINTCHAR ('\"'); | |
d5db4077 KR |
1413 | str = SDATA (obj); |
1414 | size_byte = SBYTES (obj); | |
dc2a0b79 | 1415 | |
47553fa8 | 1416 | for (i_byte = 0; i_byte < size_byte;) |
38010d50 | 1417 | { |
6ddd6eee RS |
1418 | /* Here, we must convert each multi-byte form to the |
1419 | corresponding character code before handing it to PRINTCHAR. */ | |
1420 | int len; | |
dc2a0b79 RS |
1421 | int c; |
1422 | ||
db300f59 | 1423 | if (multibyte) |
872a36d2 | 1424 | { |
62a6e103 | 1425 | c = STRING_CHAR_AND_LENGTH (str + i_byte, len); |
8b4b4467 | 1426 | i_byte += len; |
872a36d2 | 1427 | } |
dc2a0b79 | 1428 | else |
872a36d2 | 1429 | c = str[i_byte++]; |
dc2a0b79 | 1430 | |
38010d50 | 1431 | QUIT; |
6ddd6eee | 1432 | |
38010d50 JB |
1433 | if (c == '\n' && print_escape_newlines) |
1434 | { | |
1435 | PRINTCHAR ('\\'); | |
1436 | PRINTCHAR ('n'); | |
1437 | } | |
c6f7982f RM |
1438 | else if (c == '\f' && print_escape_newlines) |
1439 | { | |
1440 | PRINTCHAR ('\\'); | |
1441 | PRINTCHAR ('f'); | |
1442 | } | |
ae7367d3 | 1443 | else if (multibyte |
42a5b22f | 1444 | && (CHAR_BYTE8_P (c) |
73af357a | 1445 | || (! ASCII_CHAR_P (c) && print_escape_multibyte))) |
dc2a0b79 RS |
1446 | { |
1447 | /* When multibyte is disabled, | |
ae7367d3 RS |
1448 | print multibyte string chars using hex escapes. |
1449 | For a char code that could be in a unibyte string, | |
1450 | when found in a multibyte string, always use a hex escape | |
1451 | so it reads back as multibyte. */ | |
09125ef8 | 1452 | char outbuf[50]; |
99027bdd | 1453 | int len; |
8b4b4467 KH |
1454 | |
1455 | if (CHAR_BYTE8_P (c)) | |
99027bdd | 1456 | len = sprintf (outbuf, "\\%03o", CHAR_TO_BYTE8 (c)); |
8b4b4467 | 1457 | else |
8f924df7 | 1458 | { |
99027bdd | 1459 | len = sprintf (outbuf, "\\x%04x", c); |
8f924df7 KH |
1460 | need_nonhex = 1; |
1461 | } | |
99027bdd | 1462 | strout (outbuf, len, len, printcharfun); |
dc2a0b79 | 1463 | } |
db300f59 RS |
1464 | else if (! multibyte |
1465 | && SINGLE_BYTE_CHAR_P (c) && ! ASCII_BYTE_P (c) | |
835d0be6 | 1466 | && print_escape_nonascii) |
974a6ff5 | 1467 | { |
835d0be6 RS |
1468 | /* When printing in a multibyte buffer |
1469 | or when explicitly requested, | |
974a6ff5 KH |
1470 | print single-byte non-ASCII string chars |
1471 | using octal escapes. */ | |
09125ef8 | 1472 | char outbuf[5]; |
99027bdd PE |
1473 | int len = sprintf (outbuf, "\\%03o", c); |
1474 | strout (outbuf, len, len, printcharfun); | |
974a6ff5 | 1475 | } |
38010d50 JB |
1476 | else |
1477 | { | |
453fa987 RS |
1478 | /* If we just had a hex escape, and this character |
1479 | could be taken as part of it, | |
1480 | output `\ ' to prevent that. */ | |
1b62edd6 KH |
1481 | if (need_nonhex) |
1482 | { | |
1483 | need_nonhex = 0; | |
1484 | if ((c >= 'a' && c <= 'f') | |
453fa987 | 1485 | || (c >= 'A' && c <= 'F') |
1b62edd6 | 1486 | || (c >= '0' && c <= '9')) |
1db5b1ad | 1487 | strout ("\\ ", -1, -1, printcharfun); |
1b62edd6 | 1488 | } |
453fa987 | 1489 | |
38010d50 JB |
1490 | if (c == '\"' || c == '\\') |
1491 | PRINTCHAR ('\\'); | |
1492 | PRINTCHAR (c); | |
1493 | } | |
1494 | } | |
1495 | PRINTCHAR ('\"'); | |
7651e1f5 | 1496 | |
0c94c8d6 | 1497 | if (string_intervals (obj)) |
7651e1f5 | 1498 | { |
0c94c8d6 | 1499 | traverse_intervals (string_intervals (obj), |
8bbfc258 | 1500 | 0, print_interval, printcharfun); |
7651e1f5 RS |
1501 | PRINTCHAR (')'); |
1502 | } | |
7651e1f5 | 1503 | |
38010d50 JB |
1504 | UNGCPRO; |
1505 | } | |
ca0569ad | 1506 | break; |
38010d50 | 1507 | |
ca0569ad RS |
1508 | case Lisp_Symbol: |
1509 | { | |
1510 | register int confusing; | |
d5db4077 KR |
1511 | register unsigned char *p = SDATA (SYMBOL_NAME (obj)); |
1512 | register unsigned char *end = p + SBYTES (SYMBOL_NAME (obj)); | |
2190a05e | 1513 | register int c; |
d311d28c PE |
1514 | ptrdiff_t i, i_byte; |
1515 | ptrdiff_t size_byte; | |
dc2a0b79 RS |
1516 | Lisp_Object name; |
1517 | ||
76d0b3ae | 1518 | name = SYMBOL_NAME (obj); |
ca0569ad RS |
1519 | |
1520 | if (p != end && (*p == '-' || *p == '+')) p++; | |
1521 | if (p == end) | |
1522 | confusing = 0; | |
d27497e3 RS |
1523 | /* If symbol name begins with a digit, and ends with a digit, |
1524 | and contains nothing but digits and `e', it could be treated | |
1525 | as a number. So set CONFUSING. | |
1526 | ||
1527 | Symbols that contain periods could also be taken as numbers, | |
1528 | but periods are always escaped, so we don't have to worry | |
1529 | about them here. */ | |
1530 | else if (*p >= '0' && *p <= '9' | |
1531 | && end[-1] >= '0' && end[-1] <= '9') | |
ca0569ad | 1532 | { |
e837058b RS |
1533 | while (p != end && ((*p >= '0' && *p <= '9') |
1534 | /* Needed for \2e10. */ | |
01a8d3fa | 1535 | || *p == 'e' || *p == 'E')) |
ca0569ad RS |
1536 | p++; |
1537 | confusing = (end == p); | |
1538 | } | |
d27497e3 RS |
1539 | else |
1540 | confusing = 0; | |
ca0569ad | 1541 | |
9a79b20c AS |
1542 | size_byte = SBYTES (name); |
1543 | ||
bf9f2aab | 1544 | if (! NILP (Vprint_gensym) && !SYMBOL_INTERNED_P (obj)) |
081e0581 | 1545 | { |
081e0581 EN |
1546 | PRINTCHAR ('#'); |
1547 | PRINTCHAR (':'); | |
1548 | } | |
9a79b20c AS |
1549 | else if (size_byte == 0) |
1550 | { | |
1551 | PRINTCHAR ('#'); | |
1552 | PRINTCHAR ('#'); | |
1553 | break; | |
1554 | } | |
dc2a0b79 RS |
1555 | |
1556 | for (i = 0, i_byte = 0; i_byte < size_byte;) | |
ca0569ad | 1557 | { |
6ddd6eee RS |
1558 | /* Here, we must convert each multi-byte form to the |
1559 | corresponding character code before handing it to PRINTCHAR. */ | |
eba90784 | 1560 | FETCH_STRING_CHAR_ADVANCE (c, name, i, i_byte); |
ca0569ad | 1561 | QUIT; |
09eddb56 | 1562 | |
ca0569ad RS |
1563 | if (escapeflag) |
1564 | { | |
09eddb56 RS |
1565 | if (c == '\"' || c == '\\' || c == '\'' |
1566 | || c == ';' || c == '#' || c == '(' || c == ')' | |
9a79b20c | 1567 | || c == ',' || c == '.' || c == '`' |
09eddb56 RS |
1568 | || c == '[' || c == ']' || c == '?' || c <= 040 |
1569 | || confusing) | |
ca0569ad RS |
1570 | PRINTCHAR ('\\'), confusing = 0; |
1571 | } | |
1572 | PRINTCHAR (c); | |
1573 | } | |
1574 | } | |
1575 | break; | |
1576 | ||
1577 | case Lisp_Cons: | |
38010d50 | 1578 | /* If deeper than spec'd depth, print placeholder. */ |
d4ae1f7e | 1579 | if (INTEGERP (Vprint_level) |
38010d50 | 1580 | && print_depth > XINT (Vprint_level)) |
1db5b1ad | 1581 | strout ("...", -1, -1, printcharfun); |
2f100b5c EN |
1582 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) |
1583 | && (EQ (XCAR (obj), Qquote))) | |
1584 | { | |
1585 | PRINTCHAR ('\''); | |
0f25ecc6 | 1586 | print_object (XCAR (XCDR (obj)), printcharfun, escapeflag); |
2f100b5c EN |
1587 | } |
1588 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) | |
1589 | && (EQ (XCAR (obj), Qfunction))) | |
1590 | { | |
1591 | PRINTCHAR ('#'); | |
1592 | PRINTCHAR ('\''); | |
0f25ecc6 | 1593 | print_object (XCAR (XCDR (obj)), printcharfun, escapeflag); |
2f100b5c EN |
1594 | } |
1595 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) | |
a22dec27 SM |
1596 | && ((EQ (XCAR (obj), Qbackquote)))) |
1597 | { | |
1598 | print_object (XCAR (obj), printcharfun, 0); | |
1599 | new_backquote_output++; | |
1600 | print_object (XCAR (XCDR (obj)), printcharfun, escapeflag); | |
1601 | new_backquote_output--; | |
1602 | } | |
1603 | else if (print_quoted && CONSP (XCDR (obj)) && NILP (XCDR (XCDR (obj))) | |
1604 | && new_backquote_output | |
2f100b5c EN |
1605 | && ((EQ (XCAR (obj), Qbackquote) |
1606 | || EQ (XCAR (obj), Qcomma) | |
1607 | || EQ (XCAR (obj), Qcomma_at) | |
1608 | || EQ (XCAR (obj), Qcomma_dot)))) | |
1609 | { | |
0f25ecc6 | 1610 | print_object (XCAR (obj), printcharfun, 0); |
a22dec27 | 1611 | new_backquote_output--; |
0f25ecc6 | 1612 | print_object (XCAR (XCDR (obj)), printcharfun, escapeflag); |
a22dec27 | 1613 | new_backquote_output++; |
2f100b5c | 1614 | } |
e0f93814 | 1615 | else |
38010d50 | 1616 | { |
e0f93814 | 1617 | PRINTCHAR ('('); |
177c0ea7 | 1618 | |
38010d50 | 1619 | { |
aca216ff | 1620 | printmax_t i, print_length; |
1eab22b5 | 1621 | Lisp_Object halftail = obj; |
e0f93814 | 1622 | |
9ab8560d | 1623 | /* Negative values of print-length are invalid in CL. |
42ac1ed4 GM |
1624 | Treat them like nil, as CMUCL does. */ |
1625 | if (NATNUMP (Vprint_length)) | |
1626 | print_length = XFASTINT (Vprint_length); | |
1627 | else | |
aca216ff | 1628 | print_length = TYPE_MAXIMUM (printmax_t); |
42ac1ed4 GM |
1629 | |
1630 | i = 0; | |
e0f93814 | 1631 | while (CONSP (obj)) |
38010d50 | 1632 | { |
1eab22b5 | 1633 | /* Detect circular list. */ |
0f25ecc6 | 1634 | if (NILP (Vprint_circle)) |
1eab22b5 | 1635 | { |
53964682 | 1636 | /* Simple but incomplete way. */ |
0f25ecc6 RS |
1637 | if (i != 0 && EQ (obj, halftail)) |
1638 | { | |
99027bdd PE |
1639 | int len = sprintf (buf, " . #%"pMd, i / 2); |
1640 | strout (buf, len, len, printcharfun); | |
0f25ecc6 RS |
1641 | goto end_of_list; |
1642 | } | |
1643 | } | |
1644 | else | |
1645 | { | |
1646 | /* With the print-circle feature. */ | |
1647 | if (i != 0) | |
1648 | { | |
a65b85b5 SM |
1649 | Lisp_Object num = Fgethash (obj, Vprint_number_table, Qnil); |
1650 | if (INTEGERP (num)) | |
36de6a04 | 1651 | { |
1db5b1ad | 1652 | strout (" . ", 3, 3, printcharfun); |
36de6a04 AS |
1653 | print_object (obj, printcharfun, escapeflag); |
1654 | goto end_of_list; | |
1655 | } | |
0f25ecc6 | 1656 | } |
1eab22b5 | 1657 | } |
177c0ea7 | 1658 | |
aca216ff | 1659 | if (i) |
e0f93814 | 1660 | PRINTCHAR (' '); |
177c0ea7 | 1661 | |
aca216ff | 1662 | if (print_length <= i) |
e0f93814 | 1663 | { |
1db5b1ad | 1664 | strout ("...", 3, 3, printcharfun); |
0f25ecc6 | 1665 | goto end_of_list; |
e0f93814 | 1666 | } |
177c0ea7 | 1667 | |
aca216ff | 1668 | i++; |
0f25ecc6 | 1669 | print_object (XCAR (obj), printcharfun, escapeflag); |
177c0ea7 | 1670 | |
2f100b5c | 1671 | obj = XCDR (obj); |
1eab22b5 RS |
1672 | if (!(i & 1)) |
1673 | halftail = XCDR (halftail); | |
38010d50 | 1674 | } |
38010d50 | 1675 | } |
42ac1ed4 GM |
1676 | |
1677 | /* OBJ non-nil here means it's the end of a dotted list. */ | |
2f100b5c | 1678 | if (!NILP (obj)) |
e0f93814 | 1679 | { |
1db5b1ad | 1680 | strout (" . ", 3, 3, printcharfun); |
0f25ecc6 | 1681 | print_object (obj, printcharfun, escapeflag); |
e0f93814 | 1682 | } |
177c0ea7 | 1683 | |
0f25ecc6 | 1684 | end_of_list: |
e0f93814 | 1685 | PRINTCHAR (')'); |
38010d50 | 1686 | } |
ca0569ad RS |
1687 | break; |
1688 | ||
1689 | case Lisp_Vectorlike: | |
1690 | if (PROCESSP (obj)) | |
1691 | { | |
1692 | if (escapeflag) | |
1693 | { | |
1db5b1ad | 1694 | strout ("#<process ", -1, -1, printcharfun); |
4d2b044c | 1695 | print_string (XPROCESS (obj)->name, printcharfun); |
ca0569ad RS |
1696 | PRINTCHAR ('>'); |
1697 | } | |
1698 | else | |
4d2b044c | 1699 | print_string (XPROCESS (obj)->name, printcharfun); |
ca0569ad | 1700 | } |
ed2c35ef RS |
1701 | else if (BOOL_VECTOR_P (obj)) |
1702 | { | |
29ebea3b | 1703 | ptrdiff_t i; |
99027bdd PE |
1704 | int len; |
1705 | unsigned char c; | |
ed2c35ef | 1706 | struct gcpro gcpro1; |
d311d28c | 1707 | ptrdiff_t size_in_chars |
4b5af5e4 AS |
1708 | = ((XBOOL_VECTOR (obj)->size + BOOL_VECTOR_BITS_PER_CHAR - 1) |
1709 | / BOOL_VECTOR_BITS_PER_CHAR); | |
ed2c35ef RS |
1710 | |
1711 | GCPRO1 (obj); | |
1712 | ||
1713 | PRINTCHAR ('#'); | |
1714 | PRINTCHAR ('&'); | |
99027bdd PE |
1715 | len = sprintf (buf, "%"pI"d", XBOOL_VECTOR (obj)->size); |
1716 | strout (buf, len, len, printcharfun); | |
ed2c35ef | 1717 | PRINTCHAR ('\"'); |
a40384bc | 1718 | |
42ac1ed4 | 1719 | /* Don't print more characters than the specified maximum. |
9ab8560d | 1720 | Negative values of print-length are invalid. Treat them |
42ac1ed4 GM |
1721 | like a print-length of nil. */ |
1722 | if (NATNUMP (Vprint_length) | |
1723 | && XFASTINT (Vprint_length) < size_in_chars) | |
1724 | size_in_chars = XFASTINT (Vprint_length); | |
a40384bc | 1725 | |
ed2c35ef RS |
1726 | for (i = 0; i < size_in_chars; i++) |
1727 | { | |
1728 | QUIT; | |
1729 | c = XBOOL_VECTOR (obj)->data[i]; | |
f10fdbfd | 1730 | if (c == '\n' && print_escape_newlines) |
ed2c35ef RS |
1731 | { |
1732 | PRINTCHAR ('\\'); | |
1733 | PRINTCHAR ('n'); | |
1734 | } | |
1735 | else if (c == '\f' && print_escape_newlines) | |
1736 | { | |
1737 | PRINTCHAR ('\\'); | |
1738 | PRINTCHAR ('f'); | |
1739 | } | |
4b5af5e4 AS |
1740 | else if (c > '\177') |
1741 | { | |
1742 | /* Use octal escapes to avoid encoding issues. */ | |
1743 | PRINTCHAR ('\\'); | |
1744 | PRINTCHAR ('0' + ((c >> 6) & 3)); | |
1745 | PRINTCHAR ('0' + ((c >> 3) & 7)); | |
1746 | PRINTCHAR ('0' + (c & 7)); | |
1747 | } | |
ed2c35ef RS |
1748 | else |
1749 | { | |
1750 | if (c == '\"' || c == '\\') | |
1751 | PRINTCHAR ('\\'); | |
1752 | PRINTCHAR (c); | |
1753 | } | |
1754 | } | |
1755 | PRINTCHAR ('\"'); | |
1756 | ||
1757 | UNGCPRO; | |
1758 | } | |
ca0569ad RS |
1759 | else if (SUBRP (obj)) |
1760 | { | |
1db5b1ad JB |
1761 | strout ("#<subr ", -1, -1, printcharfun); |
1762 | strout (XSUBR (obj)->symbol_name, -1, -1, printcharfun); | |
ca0569ad RS |
1763 | PRINTCHAR ('>'); |
1764 | } | |
ca0569ad RS |
1765 | else if (WINDOWP (obj)) |
1766 | { | |
99027bdd | 1767 | int len; |
1db5b1ad | 1768 | strout ("#<window ", -1, -1, printcharfun); |
45942c7d | 1769 | len = sprintf (buf, "%d", XWINDOW (obj)->sequence_number); |
99027bdd | 1770 | strout (buf, len, len, printcharfun); |
d3d50620 | 1771 | if (!NILP (XWINDOW (obj)->buffer)) |
ca0569ad | 1772 | { |
1db5b1ad | 1773 | strout (" on ", -1, -1, printcharfun); |
d3d50620 | 1774 | print_string (BVAR (XBUFFER (XWINDOW (obj)->buffer), name), |
3a45383a | 1775 | printcharfun); |
ca0569ad RS |
1776 | } |
1777 | PRINTCHAR ('>'); | |
1778 | } | |
f76c8b1e SM |
1779 | else if (TERMINALP (obj)) |
1780 | { | |
99027bdd | 1781 | int len; |
f76c8b1e | 1782 | struct terminal *t = XTERMINAL (obj); |
1db5b1ad | 1783 | strout ("#<terminal ", -1, -1, printcharfun); |
99027bdd PE |
1784 | len = sprintf (buf, "%d", t->id); |
1785 | strout (buf, len, len, printcharfun); | |
f76c8b1e SM |
1786 | if (t->name) |
1787 | { | |
1db5b1ad JB |
1788 | strout (" on ", -1, -1, printcharfun); |
1789 | strout (t->name, -1, -1, printcharfun); | |
f76c8b1e SM |
1790 | } |
1791 | PRINTCHAR ('>'); | |
1792 | } | |
7eb03302 GM |
1793 | else if (HASH_TABLE_P (obj)) |
1794 | { | |
1795 | struct Lisp_Hash_Table *h = XHASH_TABLE (obj); | |
d311d28c PE |
1796 | ptrdiff_t i; |
1797 | ptrdiff_t real_size, size; | |
99027bdd | 1798 | int len; |
f19a0f5b | 1799 | #if 0 |
1db5b1ad | 1800 | strout ("#<hash-table", -1, -1, printcharfun); |
7eb03302 GM |
1801 | if (SYMBOLP (h->test)) |
1802 | { | |
1803 | PRINTCHAR (' '); | |
1804 | PRINTCHAR ('\''); | |
1db5b1ad | 1805 | strout (SDATA (SYMBOL_NAME (h->test)), -1, -1, printcharfun); |
7eb03302 | 1806 | PRINTCHAR (' '); |
1db5b1ad | 1807 | strout (SDATA (SYMBOL_NAME (h->weak)), -1, -1, printcharfun); |
7eb03302 | 1808 | PRINTCHAR (' '); |
99027bdd PE |
1809 | len = sprintf (buf, "%"pD"d/%"pD"d", h->count, ASIZE (h->next)); |
1810 | strout (buf, len, len, printcharfun); | |
7eb03302 | 1811 | } |
99027bdd PE |
1812 | len = sprintf (buf, " %p", h); |
1813 | strout (buf, len, len, printcharfun); | |
7eb03302 | 1814 | PRINTCHAR ('>'); |
f19a0f5b TZ |
1815 | #endif |
1816 | /* Implement a readable output, e.g.: | |
1817 | #s(hash-table size 2 test equal data (k1 v1 k2 v2)) */ | |
b7432bb2 | 1818 | /* Always print the size. */ |
99027bdd PE |
1819 | len = sprintf (buf, "#s(hash-table size %"pD"d", ASIZE (h->next)); |
1820 | strout (buf, len, len, printcharfun); | |
f19a0f5b | 1821 | |
b7432bb2 | 1822 | if (!NILP (h->test.name)) |
f19a0f5b | 1823 | { |
1db5b1ad | 1824 | strout (" test ", -1, -1, printcharfun); |
b7432bb2 | 1825 | print_object (h->test.name, printcharfun, escapeflag); |
f19a0f5b TZ |
1826 | } |
1827 | ||
1828 | if (!NILP (h->weak)) | |
1829 | { | |
1db5b1ad | 1830 | strout (" weakness ", -1, -1, printcharfun); |
617a0e83 | 1831 | print_object (h->weak, printcharfun, escapeflag); |
f19a0f5b TZ |
1832 | } |
1833 | ||
1834 | if (!NILP (h->rehash_size)) | |
1835 | { | |
1db5b1ad | 1836 | strout (" rehash-size ", -1, -1, printcharfun); |
617a0e83 | 1837 | print_object (h->rehash_size, printcharfun, escapeflag); |
f19a0f5b TZ |
1838 | } |
1839 | ||
1840 | if (!NILP (h->rehash_threshold)) | |
1841 | { | |
1db5b1ad | 1842 | strout (" rehash-threshold ", -1, -1, printcharfun); |
617a0e83 | 1843 | print_object (h->rehash_threshold, printcharfun, escapeflag); |
f19a0f5b TZ |
1844 | } |
1845 | ||
1db5b1ad | 1846 | strout (" data ", -1, -1, printcharfun); |
f19a0f5b TZ |
1847 | |
1848 | /* Print the data here as a plist. */ | |
b0ca0f33 DN |
1849 | real_size = HASH_TABLE_SIZE (h); |
1850 | size = real_size; | |
f19a0f5b TZ |
1851 | |
1852 | /* Don't print more elements than the specified maximum. */ | |
1853 | if (NATNUMP (Vprint_length) | |
1854 | && XFASTINT (Vprint_length) < size) | |
1855 | size = XFASTINT (Vprint_length); | |
42a5b22f | 1856 | |
f19a0f5b TZ |
1857 | PRINTCHAR ('('); |
1858 | for (i = 0; i < size; i++) | |
1859 | if (!NILP (HASH_HASH (h, i))) | |
1860 | { | |
1861 | if (i) PRINTCHAR (' '); | |
617a0e83 | 1862 | print_object (HASH_KEY (h, i), printcharfun, escapeflag); |
f19a0f5b | 1863 | PRINTCHAR (' '); |
617a0e83 | 1864 | print_object (HASH_VALUE (h, i), printcharfun, escapeflag); |
f19a0f5b TZ |
1865 | } |
1866 | ||
1867 | if (size < real_size) | |
1db5b1ad | 1868 | strout (" ...", 4, 4, printcharfun); |
f19a0f5b TZ |
1869 | |
1870 | PRINTCHAR (')'); | |
1871 | PRINTCHAR (')'); | |
1872 | ||
7eb03302 | 1873 | } |
908b0ae5 RS |
1874 | else if (BUFFERP (obj)) |
1875 | { | |
e578f381 | 1876 | if (!BUFFER_LIVE_P (XBUFFER (obj))) |
1db5b1ad | 1877 | strout ("#<killed buffer>", -1, -1, printcharfun); |
908b0ae5 RS |
1878 | else if (escapeflag) |
1879 | { | |
1db5b1ad | 1880 | strout ("#<buffer ", -1, -1, printcharfun); |
4b4deea2 | 1881 | print_string (BVAR (XBUFFER (obj), name), printcharfun); |
908b0ae5 RS |
1882 | PRINTCHAR ('>'); |
1883 | } | |
1884 | else | |
4b4deea2 | 1885 | print_string (BVAR (XBUFFER (obj), name), printcharfun); |
908b0ae5 | 1886 | } |
ca0569ad RS |
1887 | else if (WINDOW_CONFIGURATIONP (obj)) |
1888 | { | |
1db5b1ad | 1889 | strout ("#<window-configuration>", -1, -1, printcharfun); |
ca0569ad | 1890 | } |
ca0569ad RS |
1891 | else if (FRAMEP (obj)) |
1892 | { | |
99027bdd | 1893 | int len; |
e69b0960 | 1894 | Lisp_Object frame_name = XFRAME (obj)->name; |
436bc8e0 | 1895 | |
ca0569ad RS |
1896 | strout ((FRAME_LIVE_P (XFRAME (obj)) |
1897 | ? "#<frame " : "#<dead frame "), | |
1db5b1ad | 1898 | -1, -1, printcharfun); |
436bc8e0 EZ |
1899 | if (!STRINGP (frame_name)) |
1900 | { | |
1901 | /* A frame could be too young and have no name yet; | |
1902 | don't crash. */ | |
1903 | if (SYMBOLP (frame_name)) | |
1904 | frame_name = Fsymbol_name (frame_name); | |
1905 | else /* can't happen: name should be either nil or string */ | |
1906 | frame_name = build_string ("*INVALID*FRAME*NAME*"); | |
1907 | } | |
1908 | print_string (frame_name, printcharfun); | |
99027bdd PE |
1909 | len = sprintf (buf, " %p", XFRAME (obj)); |
1910 | strout (buf, len, len, printcharfun); | |
ca0569ad RS |
1911 | PRINTCHAR ('>'); |
1912 | } | |
2a7b7982 KH |
1913 | else if (FONTP (obj)) |
1914 | { | |
d311d28c | 1915 | int i; |
2a7b7982 KH |
1916 | |
1917 | if (! FONT_OBJECT_P (obj)) | |
1918 | { | |
1919 | if (FONT_SPEC_P (obj)) | |
1db5b1ad | 1920 | strout ("#<font-spec", -1, -1, printcharfun); |
2a7b7982 | 1921 | else |
1db5b1ad | 1922 | strout ("#<font-entity", -1, -1, printcharfun); |
2a7b7982 KH |
1923 | for (i = 0; i < FONT_SPEC_MAX; i++) |
1924 | { | |
1925 | PRINTCHAR (' '); | |
1926 | if (i < FONT_WEIGHT_INDEX || i > FONT_WIDTH_INDEX) | |
1927 | print_object (AREF (obj, i), printcharfun, escapeflag); | |
1928 | else | |
1929 | print_object (font_style_symbolic (obj, i, 0), | |
1930 | printcharfun, escapeflag); | |
1931 | } | |
1932 | } | |
1933 | else | |
1934 | { | |
1db5b1ad | 1935 | strout ("#<font-object ", -1, -1, printcharfun); |
2a7b7982 KH |
1936 | print_object (AREF (obj, FONT_NAME_INDEX), printcharfun, |
1937 | escapeflag); | |
1938 | } | |
1939 | PRINTCHAR ('>'); | |
1940 | } | |
ca0569ad RS |
1941 | else |
1942 | { | |
d311d28c | 1943 | ptrdiff_t size = ASIZE (obj); |
ca0569ad RS |
1944 | if (COMPILEDP (obj)) |
1945 | { | |
1946 | PRINTCHAR ('#'); | |
1947 | size &= PSEUDOVECTOR_SIZE_MASK; | |
1948 | } | |
8b4b4467 | 1949 | if (CHAR_TABLE_P (obj) || SUB_CHAR_TABLE_P (obj)) |
ed2c35ef RS |
1950 | { |
1951 | /* We print a char-table as if it were a vector, | |
1952 | lumping the parent and default slots in with the | |
1953 | character slots. But we add #^ as a prefix. */ | |
223509a3 KH |
1954 | |
1955 | /* Make each lowest sub_char_table start a new line. | |
1956 | Otherwise we'll make a line extremely long, which | |
1957 | results in slow redisplay. */ | |
1958 | if (SUB_CHAR_TABLE_P (obj) | |
1959 | && XINT (XSUB_CHAR_TABLE (obj)->depth) == 3) | |
1960 | PRINTCHAR ('\n'); | |
ed2c35ef RS |
1961 | PRINTCHAR ('#'); |
1962 | PRINTCHAR ('^'); | |
3701b5de KH |
1963 | if (SUB_CHAR_TABLE_P (obj)) |
1964 | PRINTCHAR ('^'); | |
ed2c35ef RS |
1965 | size &= PSEUDOVECTOR_SIZE_MASK; |
1966 | } | |
00d76abc KH |
1967 | if (size & PSEUDOVECTOR_FLAG) |
1968 | goto badtype; | |
ca0569ad RS |
1969 | |
1970 | PRINTCHAR ('['); | |
38010d50 | 1971 | { |
ca0569ad RS |
1972 | register int i; |
1973 | register Lisp_Object tem; | |
d311d28c | 1974 | ptrdiff_t real_size = size; |
a40384bc RS |
1975 | |
1976 | /* Don't print more elements than the specified maximum. */ | |
42ac1ed4 GM |
1977 | if (NATNUMP (Vprint_length) |
1978 | && XFASTINT (Vprint_length) < size) | |
1979 | size = XFASTINT (Vprint_length); | |
a40384bc | 1980 | |
ca0569ad RS |
1981 | for (i = 0; i < size; i++) |
1982 | { | |
1983 | if (i) PRINTCHAR (' '); | |
28be1ada | 1984 | tem = AREF (obj, i); |
0f25ecc6 | 1985 | print_object (tem, printcharfun, escapeflag); |
ca0569ad | 1986 | } |
d6ac884e | 1987 | if (size < real_size) |
1db5b1ad | 1988 | strout (" ...", 4, 4, printcharfun); |
38010d50 | 1989 | } |
ca0569ad RS |
1990 | PRINTCHAR (']'); |
1991 | } | |
1992 | break; | |
1993 | ||
ca0569ad | 1994 | case Lisp_Misc: |
5db20f08 | 1995 | switch (XMISCTYPE (obj)) |
38010d50 | 1996 | { |
00d76abc | 1997 | case Lisp_Misc_Marker: |
1db5b1ad | 1998 | strout ("#<marker ", -1, -1, printcharfun); |
087e3c46 KH |
1999 | /* Do you think this is necessary? */ |
2000 | if (XMARKER (obj)->insertion_type != 0) | |
1db5b1ad | 2001 | strout ("(moves after insertion) ", -1, -1, printcharfun); |
cd3587c1 | 2002 | if (! XMARKER (obj)->buffer) |
1db5b1ad | 2003 | strout ("in no buffer", -1, -1, printcharfun); |
ca0569ad RS |
2004 | else |
2005 | { | |
99027bdd PE |
2006 | int len = sprintf (buf, "at %"pD"d", marker_position (obj)); |
2007 | strout (buf, len, len, printcharfun); | |
1db5b1ad | 2008 | strout (" in ", -1, -1, printcharfun); |
4b4deea2 | 2009 | print_string (BVAR (XMARKER (obj)->buffer, name), printcharfun); |
ca0569ad | 2010 | } |
38010d50 | 2011 | PRINTCHAR ('>'); |
908b0ae5 | 2012 | break; |
00d76abc KH |
2013 | |
2014 | case Lisp_Misc_Overlay: | |
1db5b1ad | 2015 | strout ("#<overlay ", -1, -1, printcharfun); |
cd3587c1 | 2016 | if (! XMARKER (OVERLAY_START (obj))->buffer) |
1db5b1ad | 2017 | strout ("in no buffer", -1, -1, printcharfun); |
ca0569ad RS |
2018 | else |
2019 | { | |
99027bdd PE |
2020 | int len = sprintf (buf, "from %"pD"d to %"pD"d in ", |
2021 | marker_position (OVERLAY_START (obj)), | |
2022 | marker_position (OVERLAY_END (obj))); | |
2023 | strout (buf, len, len, printcharfun); | |
4b4deea2 | 2024 | print_string (BVAR (XMARKER (OVERLAY_START (obj))->buffer, name), |
ca0569ad RS |
2025 | printcharfun); |
2026 | } | |
2027 | PRINTCHAR ('>'); | |
908b0ae5 | 2028 | break; |
00d76abc KH |
2029 | |
2030 | /* Remaining cases shouldn't happen in normal usage, but let's print | |
2031 | them anyway for the benefit of the debugger. */ | |
2032 | case Lisp_Misc_Free: | |
1db5b1ad | 2033 | strout ("#<misc free cell>", -1, -1, printcharfun); |
00d76abc KH |
2034 | break; |
2035 | ||
c069fee4 | 2036 | case Lisp_Misc_Save_Value: |
99027bdd | 2037 | { |
6cda572a DA |
2038 | int i; |
2039 | struct Lisp_Save_Value *v = XSAVE_VALUE (obj); | |
2040 | ||
2041 | strout ("#<save-value ", -1, -1, printcharfun); | |
2042 | if (v->dogc) | |
2043 | { | |
2044 | int lim = min (v->integer, 8); | |
2045 | ||
2046 | /* Try to print up to 8 objects we have saved. Although | |
2047 | valid_lisp_object_p is slow, this shouldn't be a real | |
2048 | bottleneck because such a saved values are quite rare. */ | |
2049 | ||
2050 | i = sprintf (buf, "with %"pD"d objects", v->integer); | |
2051 | strout (buf, i, i, printcharfun); | |
2052 | ||
2053 | for (i = 0; i < lim; i++) | |
2054 | { | |
2055 | Lisp_Object maybe = ((Lisp_Object *) v->pointer)[i]; | |
2056 | ||
8855dfa5 | 2057 | if (valid_lisp_object_p (maybe) > 0) |
6cda572a DA |
2058 | { |
2059 | PRINTCHAR (' '); | |
2060 | print_object (maybe, printcharfun, escapeflag); | |
2061 | } | |
2062 | else | |
2063 | strout (" <invalid>", -1, -1, printcharfun); | |
2064 | } | |
2065 | if (i == lim && i < v->integer) | |
2066 | strout (" ...", 4, 4, printcharfun); | |
2067 | } | |
2068 | else | |
2069 | { | |
2070 | i = sprintf (buf, "ptr=%p int=%"pD"d", v->pointer, v->integer); | |
2071 | strout (buf, i, i, printcharfun); | |
2072 | } | |
2073 | PRINTCHAR ('>'); | |
99027bdd | 2074 | } |
c069fee4 KS |
2075 | break; |
2076 | ||
00d76abc KH |
2077 | default: |
2078 | goto badtype; | |
e0f93814 | 2079 | } |
00d76abc | 2080 | break; |
ca0569ad RS |
2081 | |
2082 | default: | |
00d76abc | 2083 | badtype: |
ca0569ad | 2084 | { |
99027bdd | 2085 | int len; |
ca0569ad | 2086 | /* We're in trouble if this happens! |
1088b922 | 2087 | Probably should just emacs_abort (). */ |
1db5b1ad | 2088 | strout ("#<EMACS BUG: INVALID DATATYPE ", -1, -1, printcharfun); |
00d76abc | 2089 | if (MISCP (obj)) |
99027bdd | 2090 | len = sprintf (buf, "(MISC 0x%04x)", (int) XMISCTYPE (obj)); |
00d76abc | 2091 | else if (VECTORLIKEP (obj)) |
99027bdd | 2092 | len = sprintf (buf, "(PVEC 0x%08"pD"x)", ASIZE (obj)); |
00d76abc | 2093 | else |
99027bdd PE |
2094 | len = sprintf (buf, "(0x%02x)", (int) XTYPE (obj)); |
2095 | strout (buf, len, len, printcharfun); | |
ca0569ad | 2096 | strout (" Save your buffers immediately and please report this bug>", |
1db5b1ad | 2097 | -1, -1, printcharfun); |
ca0569ad | 2098 | } |
38010d50 JB |
2099 | } |
2100 | ||
2101 | print_depth--; | |
2102 | } | |
2103 | \f | |
7651e1f5 RS |
2104 | |
2105 | /* Print a description of INTERVAL using PRINTCHARFUN. | |
2106 | This is part of printing a string that has text properties. */ | |
2107 | ||
12fbe755 | 2108 | static void |
971de7fb | 2109 | print_interval (INTERVAL interval, Lisp_Object printcharfun) |
7651e1f5 | 2110 | { |
71ea13cb KH |
2111 | if (NILP (interval->plist)) |
2112 | return; | |
30503c0b | 2113 | PRINTCHAR (' '); |
0f25ecc6 | 2114 | print_object (make_number (interval->position), printcharfun, 1); |
7651e1f5 | 2115 | PRINTCHAR (' '); |
0f25ecc6 | 2116 | print_object (make_number (interval->position + LENGTH (interval)), |
cd3587c1 | 2117 | printcharfun, 1); |
7651e1f5 | 2118 | PRINTCHAR (' '); |
0f25ecc6 | 2119 | print_object (interval->plist, printcharfun, 1); |
7651e1f5 RS |
2120 | } |
2121 | ||
7651e1f5 | 2122 | \f |
38010d50 | 2123 | void |
971de7fb | 2124 | syms_of_print (void) |
38010d50 | 2125 | { |
cd3520a4 | 2126 | DEFSYM (Qtemp_buffer_setup_hook, "temp-buffer-setup-hook"); |
d9c21094 | 2127 | |
29208e82 | 2128 | DEFVAR_LISP ("standard-output", Vstandard_output, |
8c1a1077 PJ |
2129 | doc: /* Output stream `print' uses by default for outputting a character. |
2130 | This may be any function of one argument. | |
2131 | It may also be a buffer (output is inserted before point) | |
2132 | or a marker (output is inserted and the marker is advanced) | |
2133 | or the symbol t (output appears in the echo area). */); | |
38010d50 | 2134 | Vstandard_output = Qt; |
cd3520a4 | 2135 | DEFSYM (Qstandard_output, "standard-output"); |
38010d50 | 2136 | |
29208e82 | 2137 | DEFVAR_LISP ("float-output-format", Vfloat_output_format, |
8c1a1077 PJ |
2138 | doc: /* The format descriptor string used to print floats. |
2139 | This is a %-spec like those accepted by `printf' in C, | |
2140 | but with some restrictions. It must start with the two characters `%.'. | |
2141 | After that comes an integer precision specification, | |
2142 | and then a letter which controls the format. | |
2143 | The letters allowed are `e', `f' and `g'. | |
2144 | Use `e' for exponential notation \"DIG.DIGITSeEXPT\" | |
2145 | Use `f' for decimal point notation \"DIGITS.DIGITS\". | |
2146 | Use `g' to choose the shorter of those two formats for the number at hand. | |
2147 | The precision in any of these cases is the number of digits following | |
2148 | the decimal point. With `f', a precision of 0 means to omit the | |
2149 | decimal point. 0 is not allowed with `e' or `g'. | |
2150 | ||
2151 | A value of nil means to use the shortest notation | |
2152 | that represents the number without losing information. */); | |
38010d50 | 2153 | Vfloat_output_format = Qnil; |
cd3520a4 | 2154 | DEFSYM (Qfloat_output_format, "float-output-format"); |
38010d50 | 2155 | |
29208e82 | 2156 | DEFVAR_LISP ("print-length", Vprint_length, |
8c1a1077 PJ |
2157 | doc: /* Maximum length of list to print before abbreviating. |
2158 | A value of nil means no limit. See also `eval-expression-print-length'. */); | |
38010d50 JB |
2159 | Vprint_length = Qnil; |
2160 | ||
29208e82 | 2161 | DEFVAR_LISP ("print-level", Vprint_level, |
8c1a1077 PJ |
2162 | doc: /* Maximum depth of list nesting to print before abbreviating. |
2163 | A value of nil means no limit. See also `eval-expression-print-level'. */); | |
38010d50 JB |
2164 | Vprint_level = Qnil; |
2165 | ||
29208e82 | 2166 | DEFVAR_BOOL ("print-escape-newlines", print_escape_newlines, |
8c1a1077 PJ |
2167 | doc: /* Non-nil means print newlines in strings as `\\n'. |
2168 | Also print formfeeds as `\\f'. */); | |
38010d50 JB |
2169 | print_escape_newlines = 0; |
2170 | ||
29208e82 | 2171 | DEFVAR_BOOL ("print-escape-nonascii", print_escape_nonascii, |
8c1a1077 PJ |
2172 | doc: /* Non-nil means print unibyte non-ASCII chars in strings as \\OOO. |
2173 | \(OOO is the octal representation of the character code.) | |
249c0f71 RS |
2174 | Only single-byte characters are affected, and only in `prin1'. |
2175 | When the output goes in a multibyte buffer, this feature is | |
2176 | enabled regardless of the value of the variable. */); | |
38940e93 RS |
2177 | print_escape_nonascii = 0; |
2178 | ||
29208e82 | 2179 | DEFVAR_BOOL ("print-escape-multibyte", print_escape_multibyte, |
8c1a1077 PJ |
2180 | doc: /* Non-nil means print multibyte characters in strings as \\xXXXX. |
2181 | \(XXXX is the hex representation of the character code.) | |
2182 | This affects only `prin1'. */); | |
835d0be6 RS |
2183 | print_escape_multibyte = 0; |
2184 | ||
29208e82 | 2185 | DEFVAR_BOOL ("print-quoted", print_quoted, |
8c1a1077 | 2186 | doc: /* Non-nil means print quoted forms with reader syntax. |
db75cb5f | 2187 | I.e., (quote foo) prints as 'foo, (function foo) as #'foo. */); |
2f100b5c EN |
2188 | print_quoted = 0; |
2189 | ||
29208e82 | 2190 | DEFVAR_LISP ("print-gensym", Vprint_gensym, |
8c1a1077 PJ |
2191 | doc: /* Non-nil means print uninterned symbols so they will read as uninterned. |
2192 | I.e., the value of (make-symbol \"foobar\") prints as #:foobar. | |
2193 | When the uninterned symbol appears within a recursive data structure, | |
2194 | and the symbol appears more than once, in addition use the #N# and #N= | |
2195 | constructs as needed, so that multiple references to the same symbol are | |
2196 | shared once again when the text is read back. */); | |
e0f69431 RS |
2197 | Vprint_gensym = Qnil; |
2198 | ||
29208e82 | 2199 | DEFVAR_LISP ("print-circle", Vprint_circle, |
fb7ada5f | 2200 | doc: /* Non-nil means print recursive structures using #N= and #N# syntax. |
8c1a1077 PJ |
2201 | If nil, printing proceeds recursively and may lead to |
2202 | `max-lisp-eval-depth' being exceeded or an error may occur: | |
2203 | \"Apparently circular structure being printed.\" Also see | |
2204 | `print-length' and `print-level'. | |
2205 | If non-nil, shared substructures anywhere in the structure are printed | |
2206 | with `#N=' before the first occurrence (in the order of the print | |
2207 | representation) and `#N#' in place of each subsequent occurrence, | |
2208 | where N is a positive decimal integer. */); | |
0f25ecc6 RS |
2209 | Vprint_circle = Qnil; |
2210 | ||
29208e82 | 2211 | DEFVAR_LISP ("print-continuous-numbering", Vprint_continuous_numbering, |
fb7ada5f | 2212 | doc: /* Non-nil means number continuously across print calls. |
8c1a1077 PJ |
2213 | This affects the numbers printed for #N= labels and #M# references. |
2214 | See also `print-circle', `print-gensym', and `print-number-table'. | |
2215 | This variable should not be set with `setq'; bind it with a `let' instead. */); | |
0f25ecc6 RS |
2216 | Vprint_continuous_numbering = Qnil; |
2217 | ||
29208e82 | 2218 | DEFVAR_LISP ("print-number-table", Vprint_number_table, |
8c1a1077 PJ |
2219 | doc: /* A vector used internally to produce `#N=' labels and `#N#' references. |
2220 | The Lisp printer uses this vector to detect Lisp objects referenced more | |
e6d4cddd RS |
2221 | than once. |
2222 | ||
2223 | When you bind `print-continuous-numbering' to t, you should probably | |
2224 | also bind `print-number-table' to nil. This ensures that the value of | |
2225 | `print-number-table' can be garbage-collected once the printing is | |
2226 | done. If all elements of `print-number-table' are nil, it means that | |
2227 | the printing done so far has not found any shared structure or objects | |
2228 | that need to be recorded in the table. */); | |
0f25ecc6 | 2229 | Vprint_number_table = Qnil; |
081e0581 | 2230 | |
29208e82 | 2231 | DEFVAR_LISP ("print-charset-text-property", Vprint_charset_text_property, |
71ea13cb KH |
2232 | doc: /* A flag to control printing of `charset' text property on printing a string. |
2233 | The value must be nil, t, or `default'. | |
2234 | ||
2235 | If the value is nil, don't print the text property `charset'. | |
2236 | ||
2237 | If the value is t, always print the text property `charset'. | |
2238 | ||
2239 | If the value is `default', print the text property `charset' only when | |
2240 | the value is different from what is guessed in the current charset | |
dedbd91c | 2241 | priorities. */); |
71ea13cb KH |
2242 | Vprint_charset_text_property = Qdefault; |
2243 | ||
38010d50 JB |
2244 | /* prin1_to_string_buffer initialized in init_buffer_once in buffer.c */ |
2245 | staticpro (&Vprin1_to_string_buffer); | |
2246 | ||
2247 | defsubr (&Sprin1); | |
2248 | defsubr (&Sprin1_to_string); | |
113620cc | 2249 | defsubr (&Serror_message_string); |
38010d50 JB |
2250 | defsubr (&Sprinc); |
2251 | defsubr (&Sprint); | |
2252 | defsubr (&Sterpri); | |
2253 | defsubr (&Swrite_char); | |
2254 | defsubr (&Sexternal_debugging_output); | |
6b61353c KH |
2255 | #ifdef WITH_REDIRECT_DEBUGGING_OUTPUT |
2256 | defsubr (&Sredirect_debugging_output); | |
2257 | #endif | |
38010d50 | 2258 | |
cd3520a4 JB |
2259 | DEFSYM (Qexternal_debugging_output, "external-debugging-output"); |
2260 | DEFSYM (Qprint_escape_newlines, "print-escape-newlines"); | |
2261 | DEFSYM (Qprint_escape_multibyte, "print-escape-multibyte"); | |
2262 | DEFSYM (Qprint_escape_nonascii, "print-escape-nonascii"); | |
835d0be6 | 2263 | |
71ea13cb KH |
2264 | print_prune_charset_plist = Qnil; |
2265 | staticpro (&print_prune_charset_plist); | |
38010d50 | 2266 | } |