|
428
|
1 /* Lisp object printing and output streams.
|
|
|
2 Copyright (C) 1985, 1986, 1988, 1992-1995 Free Software Foundation, Inc.
|
|
1261
|
3 Copyright (C) 1995, 1996, 2000, 2001, 2002, 2003 Ben Wing.
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|
428
|
4
|
|
|
5 This file is part of XEmacs.
|
|
|
6
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|
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7 XEmacs is free software; you can redistribute it and/or modify it
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|
|
8 under the terms of the GNU General Public License as published by the
|
|
|
9 Free Software Foundation; either version 2, or (at your option) any
|
|
|
10 later version.
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|
|
11
|
|
|
12 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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|
|
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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|
|
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
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15 for more details.
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16
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|
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17 You should have received a copy of the GNU General Public License
|
|
|
18 along with XEmacs; see the file COPYING. If not, write to
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|
19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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20 Boston, MA 02111-1307, USA. */
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21
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22 /* Synched up with: Not synched with FSF. */
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|
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23
|
|
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24 /* This file has been Mule-ized. */
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|
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25
|
|
771
|
26 /* Seriously divergent from FSF by this point.
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27
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28 Seriously hacked on by Ben Wing for Mule. All stdio code also by Ben,
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29 as well as the debugging code (initial version of debug_print(), though,
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30 by Jamie Zawinski) and the _fmt interfaces. Also a fair amount of work
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31 by Hrvoje, e.g. floating-point code and rewriting to avoid O(N^2)
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32 consing when outputting to the echo area. Print-circularity code by
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33 Martin? */
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428
|
34
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|
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35 #include <config.h>
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36 #include "lisp.h"
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|
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37
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|
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38 #include "backtrace.h"
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|
|
39 #include "buffer.h"
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|
40 #include "bytecode.h"
|
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872
|
41 #include "device-impl.h"
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428
|
42 #include "extents.h"
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|
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43 #include "frame.h"
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44 #include "insdel.h"
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|
|
45 #include "lstream.h"
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|
771
|
46 #include "opaque.h"
|
|
800
|
47
|
|
872
|
48 #include "console-tty-impl.h"
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|
|
49 #include "console-stream-impl.h"
|
|
442
|
50 #ifdef WIN32_NATIVE
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|
|
51 #include "console-msw.h"
|
|
|
52 #endif
|
|
428
|
53
|
|
800
|
54 #include "sysfile.h"
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|
55
|
|
428
|
56 #include <float.h>
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|
|
57 /* Define if not in float.h */
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|
|
58 #ifndef DBL_DIG
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|
|
59 #define DBL_DIG 16
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|
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60 #endif
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61
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62 Lisp_Object Vstandard_output, Qstandard_output;
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63
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|
|
64 /* The subroutine object for external-debugging-output is kept here
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|
|
65 for the convenience of the debugger. */
|
|
442
|
66 Lisp_Object Qexternal_debugging_output, Qalternate_debugging_output;
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|
67
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|
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68 #ifdef HAVE_MS_WINDOWS
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69 Lisp_Object Qmswindows_debugging_output;
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|
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70 #endif
|
|
428
|
71
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|
|
72 /* Avoid actual stack overflow in print. */
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|
|
73 static int print_depth;
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|
74
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|
|
75 /* Detect most circularities to print finite output. */
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|
|
76 #define PRINT_CIRCLE 200
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|
|
77 static Lisp_Object being_printed[PRINT_CIRCLE];
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78
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|
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79 /* Maximum length of list or vector to print in full; noninteger means
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80 effectively infinity */
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81
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82 Lisp_Object Vprint_length;
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83 Lisp_Object Qprint_length;
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84
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|
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85 /* Maximum length of string to print in full; noninteger means
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|
86 effectively infinity */
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87
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88 Lisp_Object Vprint_string_length;
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89 Lisp_Object Qprint_string_length;
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90
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91 /* Maximum depth of list to print in full; noninteger means
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|
92 effectively infinity. */
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93
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|
|
94 Lisp_Object Vprint_level;
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|
95
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|
|
96 /* Label to use when making echo-area messages. */
|
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97
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|
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98 Lisp_Object Vprint_message_label;
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99
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100 /* Nonzero means print newlines in strings as \n. */
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101
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102 int print_escape_newlines;
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103 int print_readably;
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104
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105 /* Non-nil means print #: before uninterned symbols.
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106 Neither t nor nil means so that and don't clear Vprint_gensym_alist
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107 on entry to and exit from print functions. */
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|
|
108 Lisp_Object Vprint_gensym;
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109 Lisp_Object Vprint_gensym_alist;
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110
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|
|
111 Lisp_Object Qdisplay_error;
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|
112 Lisp_Object Qprint_message_label;
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113
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|
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114 /* Force immediate output of all printed data. Used for debugging. */
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115 int print_unbuffered;
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116
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|
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117 FILE *termscript; /* Stdio stream being used for copy of all output. */
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118
|
|
1346
|
119 static void write_string_to_alternate_debugging_output (const Ibyte *str,
|
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771
|
120 Bytecount len);
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|
|
121
|
|
428
|
122
|
|
|
123
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|
|
124 int stdout_needs_newline;
|
|
1346
|
125 int stdout_clear_before_next_output;
|
|
428
|
126
|
|
771
|
127 /* Basic function to actually write to a stdio stream or TTY console. */
|
|
|
128
|
|
442
|
129 static void
|
|
1346
|
130 write_string_to_stdio_stream_1 (FILE *stream, struct console *con,
|
|
|
131 const Ibyte *ptr, Bytecount len,
|
|
|
132 int must_flush)
|
|
428
|
133 {
|
|
771
|
134 Extbyte *extptr = 0;
|
|
|
135 Bytecount extlen = 0;
|
|
|
136 int output_is_std_handle =
|
|
|
137 stream ? stream == stdout || stream == stderr :
|
|
|
138 CONSOLE_TTY_DATA (con)->is_stdio;
|
|
|
139
|
|
|
140 if (stream || output_is_std_handle)
|
|
|
141 {
|
|
|
142 if (initialized && !inhibit_non_essential_printing_operations)
|
|
|
143 TO_EXTERNAL_FORMAT (DATA, (ptr, len),
|
|
|
144 ALLOCA, (extptr, extlen),
|
|
|
145 Qterminal);
|
|
|
146 else
|
|
|
147 {
|
|
|
148 extptr = (Extbyte *) ptr;
|
|
|
149 extlen = (Bytecount) len;
|
|
|
150 }
|
|
|
151 }
|
|
|
152
|
|
428
|
153 if (stream)
|
|
|
154 {
|
|
442
|
155 #ifdef WIN32_NATIVE
|
|
|
156 HANDLE errhand = GetStdHandle (STD_INPUT_HANDLE);
|
|
|
157 int no_useful_stderr = errhand == 0 || errhand == INVALID_HANDLE_VALUE;
|
|
|
158
|
|
|
159 if (!no_useful_stderr)
|
|
|
160 no_useful_stderr = !PeekNamedPipe (errhand, 0, 0, 0, 0, 0);
|
|
|
161 /* we typically have no useful stdout/stderr under windows if we're
|
|
|
162 being invoked graphically. */
|
|
|
163 if (no_useful_stderr)
|
|
771
|
164 mswindows_output_console_string (ptr, len);
|
|
442
|
165 else
|
|
428
|
166 #endif
|
|
442
|
167 {
|
|
771
|
168 retry_fwrite (extptr, 1, extlen, stream);
|
|
442
|
169 #ifdef WIN32_NATIVE
|
|
|
170 /* Q122442 says that pipes are "treated as files, not as
|
|
|
171 devices", and that this is a feature. Before I found that
|
|
|
172 article, I thought it was a bug. Thanks MS, I feel much
|
|
|
173 better now. - kkm */
|
|
|
174 must_flush = 1;
|
|
|
175 #endif
|
|
|
176 if (must_flush)
|
|
|
177 fflush (stream);
|
|
|
178 }
|
|
428
|
179 }
|
|
|
180 else
|
|
771
|
181 /* The stream itself does conversion to external format */
|
|
|
182 Lstream_write (XLSTREAM (CONSOLE_TTY_DATA (con)->outstream), ptr, len);
|
|
442
|
183
|
|
|
184 if (output_is_std_handle)
|
|
428
|
185 {
|
|
|
186 if (termscript)
|
|
|
187 {
|
|
771
|
188 retry_fwrite (extptr, 1, extlen, termscript);
|
|
428
|
189 fflush (termscript);
|
|
|
190 }
|
|
1346
|
191 stdout_needs_newline = (ptr[len - 1] != '\n');
|
|
428
|
192 }
|
|
|
193 }
|
|
|
194
|
|
1346
|
195 /* Write to a stdio stream or TTY console, first clearing the left side
|
|
|
196 if necessary. */
|
|
|
197
|
|
|
198 static void
|
|
|
199 write_string_to_stdio_stream (FILE *stream, struct console *con,
|
|
|
200 const Ibyte *ptr, Bytecount len,
|
|
|
201 int must_flush)
|
|
|
202 {
|
|
|
203 if (stdout_clear_before_next_output &&
|
|
|
204 (stream ? stream == stdout || stream == stderr :
|
|
|
205 CONSOLE_TTY_DATA (con)->is_stdio))
|
|
|
206 {
|
|
|
207 if (stdout_needs_newline)
|
|
|
208 write_string_to_stdio_stream_1 (stream, con, (Ibyte *) "\n", 1,
|
|
|
209 must_flush);
|
|
|
210 stdout_clear_before_next_output = 0;
|
|
|
211 }
|
|
|
212
|
|
|
213 write_string_to_stdio_stream_1 (stream, con, ptr, len, must_flush);
|
|
|
214 }
|
|
|
215
|
|
|
216 /*
|
|
|
217 EXT_PRINT_STDOUT = stdout or its equivalent (may be a
|
|
|
218 console window under MS Windows)
|
|
|
219 EXT_PRINT_STDERR = stderr or its equivalent (may be a
|
|
|
220 console window under MS Windows)
|
|
|
221 EXT_PRINT_ALTERNATE = an internal character array; see
|
|
|
222 `alternate-debugging-output'
|
|
|
223 EXT_PRINT_MSWINDOWS = Under MS Windows, the "debugging output" that
|
|
|
224 debuggers can hook into; uses OutputDebugString()
|
|
|
225 system call
|
|
|
226 EXT_PRINT_ALL = all of the above except stdout
|
|
|
227 */
|
|
|
228
|
|
|
229 enum ext_print
|
|
|
230 {
|
|
|
231 EXT_PRINT_STDOUT = 1,
|
|
|
232 EXT_PRINT_STDERR = 2,
|
|
|
233 EXT_PRINT_ALTERNATE = 4,
|
|
|
234 EXT_PRINT_MSWINDOWS = 8,
|
|
|
235 EXT_PRINT_ALL = 14
|
|
|
236 };
|
|
|
237
|
|
|
238 static void
|
|
|
239 write_string_to_external_output (const Ibyte *ptr, Bytecount len,
|
|
|
240 int dest)
|
|
|
241 {
|
|
|
242 if (dest & EXT_PRINT_STDOUT)
|
|
|
243 write_string_to_stdio_stream (stdout, 0, ptr, len, 1);
|
|
|
244 if (dest & EXT_PRINT_STDERR)
|
|
|
245 write_string_to_stdio_stream (stderr, 0, ptr, len, 1);
|
|
|
246 if (dest & EXT_PRINT_ALTERNATE)
|
|
|
247 write_string_to_alternate_debugging_output (ptr, len);
|
|
|
248 #ifdef WIN32_NATIVE
|
|
|
249 if (dest & EXT_PRINT_MSWINDOWS)
|
|
|
250 write_string_to_mswindows_debugging_output (ptr, len);
|
|
|
251 #endif
|
|
|
252 }
|
|
|
253
|
|
|
254 /* #### The following function should make use of a call to the
|
|
|
255 emacs_vsprintf_*() functions rather than just using vsprintf. This is
|
|
|
256 the only way to ensure that I18N3 works properly (many implementations
|
|
|
257 of the *printf() functions, including the ones included in glibc, do not
|
|
|
258 implement the %###$ argument-positioning syntax).
|
|
442
|
259
|
|
|
260 Note, however, that to do this, we'd have to
|
|
|
261
|
|
|
262 1) pre-allocate all the lstreams and do whatever else was necessary
|
|
|
263 to make sure that no allocation occurs, since these functions may be
|
|
|
264 called from fatal_error_signal().
|
|
|
265
|
|
|
266 2) (to be really correct) make a new lstream that outputs using
|
|
1346
|
267 mswindows_output_console_string().
|
|
|
268
|
|
|
269 3) A reasonable compromise might be to use emacs_vsprintf() when we're
|
|
|
270 in a safe state, and when not, use plain vsprintf(). */
|
|
442
|
271
|
|
771
|
272 static void
|
|
1346
|
273 write_string_to_external_output_va (const CIbyte *fmt, va_list args,
|
|
|
274 int dest)
|
|
442
|
275 {
|
|
867
|
276 Ibyte kludge[8192];
|
|
771
|
277 Bytecount kludgelen;
|
|
|
278
|
|
|
279 if (initialized && !inhibit_non_essential_printing_operations)
|
|
|
280 fmt = GETTEXT (fmt);
|
|
867
|
281 vsprintf ((CIbyte *) kludge, fmt, args);
|
|
771
|
282 kludgelen = qxestrlen (kludge);
|
|
1346
|
283 write_string_to_external_output (kludge, kludgelen, dest);
|
|
442
|
284 }
|
|
|
285
|
|
771
|
286 /* Output portably to stderr or its equivalent (i.e. may be a console
|
|
|
287 window under MS Windows); do external-format conversion and call GETTEXT
|
|
|
288 on the format string. Automatically flush when done.
|
|
442
|
289
|
|
771
|
290 This is safe even when not initialized or when dying -- we don't do
|
|
|
291 conversion in such cases. */
|
|
|
292
|
|
|
293 void
|
|
867
|
294 stderr_out (const CIbyte *fmt, ...)
|
|
442
|
295 {
|
|
|
296 va_list args;
|
|
|
297 va_start (args, fmt);
|
|
1346
|
298 write_string_to_external_output_va (fmt, args, EXT_PRINT_STDERR);
|
|
442
|
299 va_end (args);
|
|
|
300 }
|
|
|
301
|
|
771
|
302 /* Output portably to stdout or its equivalent (i.e. may be a console
|
|
|
303 window under MS Windows). Works like stderr_out(). */
|
|
442
|
304
|
|
771
|
305 void
|
|
867
|
306 stdout_out (const CIbyte *fmt, ...)
|
|
442
|
307 {
|
|
|
308 va_list args;
|
|
|
309 va_start (args, fmt);
|
|
1346
|
310 write_string_to_external_output_va (fmt, args, EXT_PRINT_STDOUT);
|
|
|
311 va_end (args);
|
|
|
312 }
|
|
|
313
|
|
|
314 /* Output portably to print destination as specified by DEST. */
|
|
|
315
|
|
|
316 void
|
|
|
317 external_out (int dest, const CIbyte *fmt, ...)
|
|
|
318 {
|
|
|
319 va_list args;
|
|
|
320 va_start (args, fmt);
|
|
|
321 write_string_to_external_output_va (fmt, args, dest);
|
|
442
|
322 va_end (args);
|
|
771
|
323 }
|
|
|
324
|
|
|
325 /* Output portably to stderr or its equivalent (i.e. may be a console
|
|
|
326 window under MS Windows), as well as alternate-debugging-output and
|
|
|
327 (under MS Windows) the C debugging output, i.e. OutputDebugString().
|
|
|
328 Works like stderr_out(). */
|
|
|
329
|
|
|
330 void
|
|
867
|
331 debug_out (const CIbyte *fmt, ...)
|
|
771
|
332 {
|
|
|
333 va_list args;
|
|
|
334 va_start (args, fmt);
|
|
1346
|
335 write_string_to_external_output_va (fmt, args, EXT_PRINT_ALL);
|
|
771
|
336 va_end (args);
|
|
442
|
337 }
|
|
|
338
|
|
|
339 DOESNT_RETURN
|
|
867
|
340 fatal (const CIbyte *fmt, ...)
|
|
442
|
341 {
|
|
|
342 va_list args;
|
|
|
343 va_start (args, fmt);
|
|
|
344
|
|
771
|
345 stderr_out ("\nXEmacs: fatal error: ");
|
|
1346
|
346 write_string_to_external_output_va (fmt, args, EXT_PRINT_STDERR);
|
|
442
|
347 stderr_out ("\n");
|
|
|
348
|
|
|
349 va_end (args);
|
|
|
350 exit (1);
|
|
|
351 }
|
|
|
352
|
|
428
|
353 /* Write a string to the output location specified in FUNCTION.
|
|
|
354 Arguments NONRELOC, RELOC, OFFSET, and LEN are as in
|
|
771
|
355 buffer_insert_string_1() in insdel.c.
|
|
|
356
|
|
|
357 FUNCTION is one of
|
|
|
358
|
|
|
359 -- an lstream
|
|
|
360 -- a buffer (insert at point and advance point)
|
|
|
361 -- a marker (insert at marker and advance marker)
|
|
|
362 -- a frame (append to echo area; clear echo area first if
|
|
|
363 `print-message-label' has changed since the last time)
|
|
|
364 -- t or nil (send to stdout)
|
|
|
365 -- a Lisp function of one argument (call to get data output)
|
|
|
366
|
|
|
367 Use Qexternal_debugging_output to get output to stderr.
|
|
|
368 */
|
|
428
|
369
|
|
|
370 static void
|
|
867
|
371 output_string (Lisp_Object function, const Ibyte *nonreloc,
|
|
428
|
372 Lisp_Object reloc, Bytecount offset, Bytecount len)
|
|
|
373 {
|
|
|
374 /* This function can GC */
|
|
|
375 Charcount cclen;
|
|
|
376 /* We change the value of nonreloc (fetching it from reloc as
|
|
|
377 necessary), but we don't want to pass this changed value on to
|
|
|
378 other functions that take both a nonreloc and a reloc, or things
|
|
|
379 may get confused and an assertion failure in
|
|
|
380 fixup_internal_substring() may get triggered. */
|
|
867
|
381 const Ibyte *newnonreloc = nonreloc;
|
|
428
|
382 struct gcpro gcpro1, gcpro2;
|
|
|
383
|
|
|
384 /* Emacs won't print while GCing, but an external debugger might */
|
|
771
|
385 #ifdef NO_PRINT_DURING_GC
|
|
428
|
386 if (gc_in_progress) return;
|
|
771
|
387 #endif
|
|
428
|
388
|
|
|
389 /* Perhaps not necessary but probably safer. */
|
|
|
390 GCPRO2 (function, reloc);
|
|
|
391
|
|
|
392 fixup_internal_substring (newnonreloc, reloc, offset, &len);
|
|
|
393
|
|
|
394 if (STRINGP (reloc))
|
|
771
|
395 {
|
|
793
|
396 cclen = string_offset_byte_to_char_len (reloc, offset, len);
|
|
771
|
397 newnonreloc = XSTRING_DATA (reloc);
|
|
|
398 }
|
|
|
399 else
|
|
|
400 cclen = bytecount_to_charcount (newnonreloc + offset, len);
|
|
428
|
401
|
|
|
402 if (LSTREAMP (function))
|
|
|
403 {
|
|
|
404 if (STRINGP (reloc))
|
|
|
405 {
|
|
|
406 /* Protect against Lstream_write() causing a GC and
|
|
|
407 relocating the string. For small strings, we do it by
|
|
|
408 alloc'ing the string and using a copy; for large strings,
|
|
|
409 we inhibit GC. */
|
|
|
410 if (len < 65536)
|
|
|
411 {
|
|
867
|
412 Ibyte *copied = alloca_array (Ibyte, len);
|
|
428
|
413 memcpy (copied, newnonreloc + offset, len);
|
|
|
414 Lstream_write (XLSTREAM (function), copied, len);
|
|
|
415 }
|
|
|
416 else
|
|
|
417 {
|
|
771
|
418 int speccount = begin_gc_forbidden ();
|
|
428
|
419 Lstream_write (XLSTREAM (function), newnonreloc + offset, len);
|
|
771
|
420 unbind_to (speccount);
|
|
428
|
421 }
|
|
|
422 }
|
|
|
423 else
|
|
|
424 Lstream_write (XLSTREAM (function), newnonreloc + offset, len);
|
|
|
425
|
|
|
426 if (print_unbuffered)
|
|
|
427 Lstream_flush (XLSTREAM (function));
|
|
|
428 }
|
|
|
429 else if (BUFFERP (function))
|
|
|
430 {
|
|
|
431 CHECK_LIVE_BUFFER (function);
|
|
|
432 buffer_insert_string (XBUFFER (function), nonreloc, reloc, offset, len);
|
|
|
433 }
|
|
|
434 else if (MARKERP (function))
|
|
|
435 {
|
|
|
436 /* marker_position() will err if marker doesn't point anywhere. */
|
|
665
|
437 Charbpos spoint = marker_position (function);
|
|
428
|
438
|
|
|
439 buffer_insert_string_1 (XMARKER (function)->buffer,
|
|
|
440 spoint, nonreloc, reloc, offset, len,
|
|
|
441 0);
|
|
|
442 Fset_marker (function, make_int (spoint + cclen),
|
|
|
443 Fmarker_buffer (function));
|
|
|
444 }
|
|
|
445 else if (FRAMEP (function))
|
|
|
446 {
|
|
|
447 /* This gets used by functions not invoking print_prepare(),
|
|
|
448 such as Fwrite_char, Fterpri, etc.. */
|
|
|
449 struct frame *f = XFRAME (function);
|
|
|
450 CHECK_LIVE_FRAME (function);
|
|
|
451
|
|
|
452 if (!EQ (Vprint_message_label, echo_area_status (f)))
|
|
|
453 clear_echo_area_from_print (f, Qnil, 1);
|
|
|
454 echo_area_append (f, nonreloc, reloc, offset, len, Vprint_message_label);
|
|
|
455 }
|
|
|
456 else if (EQ (function, Qt) || EQ (function, Qnil))
|
|
|
457 {
|
|
771
|
458 write_string_to_stdio_stream (stdout, 0, newnonreloc + offset, len,
|
|
|
459 print_unbuffered);
|
|
|
460 }
|
|
|
461 else if (EQ (function, Qexternal_debugging_output))
|
|
|
462 {
|
|
|
463 /* This is not strictly necessary, and somewhat of a hack, but it
|
|
|
464 avoids having each character passed separately to
|
|
|
465 `external-debugging-output'. #### Why do we pass each character
|
|
|
466 separately, anyway?
|
|
|
467 */
|
|
|
468 write_string_to_stdio_stream (stderr, 0, newnonreloc + offset, len,
|
|
|
469 print_unbuffered);
|
|
428
|
470 }
|
|
|
471 else
|
|
|
472 {
|
|
771
|
473 Charcount ccoff;
|
|
428
|
474 Charcount iii;
|
|
|
475
|
|
771
|
476 if (STRINGP (reloc))
|
|
793
|
477 ccoff = string_index_byte_to_char (reloc, offset);
|
|
771
|
478 else
|
|
|
479 ccoff = bytecount_to_charcount (newnonreloc, offset);
|
|
|
480
|
|
|
481 if (STRINGP (reloc))
|
|
428
|
482 {
|
|
771
|
483 for (iii = ccoff; iii < cclen + ccoff; iii++)
|
|
|
484 {
|
|
867
|
485 call1 (function, make_char (string_ichar (reloc, iii)));
|
|
771
|
486 if (STRINGP (reloc))
|
|
|
487 newnonreloc = XSTRING_DATA (reloc);
|
|
|
488 }
|
|
|
489 }
|
|
|
490 else
|
|
|
491 {
|
|
|
492 for (iii = ccoff; iii < cclen + ccoff; iii++)
|
|
|
493 {
|
|
|
494 call1 (function,
|
|
867
|
495 make_char (itext_ichar_n (newnonreloc, iii)));
|
|
771
|
496 }
|
|
428
|
497 }
|
|
|
498 }
|
|
|
499
|
|
|
500 UNGCPRO;
|
|
|
501 }
|
|
|
502
|
|
|
503 #define RESET_PRINT_GENSYM do { \
|
|
|
504 if (!CONSP (Vprint_gensym)) \
|
|
|
505 Vprint_gensym_alist = Qnil; \
|
|
|
506 } while (0)
|
|
|
507
|
|
1261
|
508 Lisp_Object
|
|
428
|
509 canonicalize_printcharfun (Lisp_Object printcharfun)
|
|
|
510 {
|
|
|
511 if (NILP (printcharfun))
|
|
|
512 printcharfun = Vstandard_output;
|
|
|
513
|
|
1261
|
514 if (!noninteractive && (EQ (printcharfun, Qt) || NILP (printcharfun)))
|
|
428
|
515 printcharfun = Fselected_frame (Qnil); /* print to minibuffer */
|
|
|
516
|
|
|
517 return printcharfun;
|
|
|
518 }
|
|
|
519
|
|
|
520 static Lisp_Object
|
|
|
521 print_prepare (Lisp_Object printcharfun, Lisp_Object *frame_kludge)
|
|
|
522 {
|
|
|
523 /* Emacs won't print while GCing, but an external debugger might */
|
|
771
|
524 #ifdef NO_PRINT_DURING_GC
|
|
428
|
525 if (gc_in_progress)
|
|
|
526 return Qnil;
|
|
771
|
527 #endif
|
|
|
528
|
|
428
|
529 RESET_PRINT_GENSYM;
|
|
|
530
|
|
|
531 printcharfun = canonicalize_printcharfun (printcharfun);
|
|
|
532
|
|
|
533 /* Here we could safely return the canonicalized PRINTCHARFUN.
|
|
|
534 However, if PRINTCHARFUN is a frame, printing of complex
|
|
|
535 structures becomes very expensive, because `append-message'
|
|
|
536 (called by echo_area_append) gets called as many times as
|
|
|
537 output_string() is called (and that's a *lot*). append-message
|
|
|
538 tries to keep top of the message-stack in sync with the contents
|
|
|
539 of " *Echo Area" buffer, consing a new string for each component
|
|
|
540 of the printed structure. For instance, if you print (a a),
|
|
|
541 append-message will cons up the following strings:
|
|
|
542
|
|
|
543 "("
|
|
|
544 "(a"
|
|
|
545 "(a "
|
|
|
546 "(a a"
|
|
|
547 "(a a)"
|
|
|
548
|
|
|
549 and will use only the last one. With larger objects, this turns
|
|
|
550 into an O(n^2) consing frenzy that locks up XEmacs in incessant
|
|
|
551 garbage collection.
|
|
|
552
|
|
|
553 We prevent this by creating a resizing_buffer stream and letting
|
|
|
554 the printer write into it. print_finish() will notice this
|
|
|
555 stream, and invoke echo_area_append() with the stream's buffer,
|
|
|
556 only once. */
|
|
|
557 if (FRAMEP (printcharfun))
|
|
|
558 {
|
|
|
559 CHECK_LIVE_FRAME (printcharfun);
|
|
|
560 *frame_kludge = printcharfun;
|
|
|
561 printcharfun = make_resizing_buffer_output_stream ();
|
|
|
562 }
|
|
|
563
|
|
|
564 return printcharfun;
|
|
|
565 }
|
|
|
566
|
|
|
567 static void
|
|
|
568 print_finish (Lisp_Object stream, Lisp_Object frame_kludge)
|
|
|
569 {
|
|
|
570 /* Emacs won't print while GCing, but an external debugger might */
|
|
771
|
571 #ifdef NO_PRINT_DURING_GC
|
|
428
|
572 if (gc_in_progress)
|
|
|
573 return;
|
|
771
|
574 #endif
|
|
|
575
|
|
428
|
576 RESET_PRINT_GENSYM;
|
|
|
577
|
|
|
578 /* See the comment in print_prepare(). */
|
|
|
579 if (FRAMEP (frame_kludge))
|
|
|
580 {
|
|
|
581 struct frame *f = XFRAME (frame_kludge);
|
|
|
582 Lstream *str = XLSTREAM (stream);
|
|
|
583 CHECK_LIVE_FRAME (frame_kludge);
|
|
|
584
|
|
|
585 Lstream_flush (str);
|
|
|
586 if (!EQ (Vprint_message_label, echo_area_status (f)))
|
|
|
587 clear_echo_area_from_print (f, Qnil, 1);
|
|
|
588 echo_area_append (f, resizing_buffer_stream_ptr (str),
|
|
|
589 Qnil, 0, Lstream_byte_count (str),
|
|
|
590 Vprint_message_label);
|
|
|
591 Lstream_delete (str);
|
|
|
592 }
|
|
|
593 }
|
|
|
594
|
|
|
595
|
|
771
|
596 /* Write internal-format data to STREAM. See output_string() for
|
|
|
597 interpretation of STREAM.
|
|
|
598
|
|
|
599 NOTE: Do not call this with the data of a Lisp_String, as
|
|
428
|
600 printcharfun might cause a GC, which might cause the string's data
|
|
|
601 to be relocated. To princ a Lisp string, use:
|
|
|
602
|
|
|
603 print_internal (string, printcharfun, 0);
|
|
|
604
|
|
|
605 Also note that STREAM should be the result of
|
|
|
606 canonicalize_printcharfun() (i.e. Qnil means stdout, not
|
|
|
607 Vstandard_output, etc.) */
|
|
|
608 void
|
|
867
|
609 write_string_1 (Lisp_Object stream, const Ibyte *str, Bytecount size)
|
|
428
|
610 {
|
|
|
611 /* This function can GC */
|
|
800
|
612 #ifdef ERROR_CHECK_TEXT
|
|
428
|
613 assert (size >= 0);
|
|
|
614 #endif
|
|
|
615 output_string (stream, str, Qnil, 0, size);
|
|
|
616 }
|
|
|
617
|
|
|
618 void
|
|
867
|
619 write_string (Lisp_Object stream, const Ibyte *str)
|
|
771
|
620 {
|
|
|
621 /* This function can GC */
|
|
826
|
622 write_string_1 (stream, str, qxestrlen (str));
|
|
771
|
623 }
|
|
|
624
|
|
|
625 void
|
|
867
|
626 write_c_string (Lisp_Object stream, const CIbyte *str)
|
|
428
|
627 {
|
|
|
628 /* This function can GC */
|
|
867
|
629 write_string_1 (stream, (const Ibyte *) str, strlen (str));
|
|
428
|
630 }
|
|
|
631
|
|
793
|
632 void
|
|
826
|
633 write_eistring (Lisp_Object stream, const Eistring *ei)
|
|
793
|
634 {
|
|
826
|
635 write_string_1 (stream, eidata (ei), eilen (ei));
|
|
793
|
636 }
|
|
|
637
|
|
771
|
638 /* Write a printf-style string to STREAM; see output_string(). */
|
|
|
639
|
|
|
640 void
|
|
867
|
641 write_fmt_string (Lisp_Object stream, const CIbyte *fmt, ...)
|
|
771
|
642 {
|
|
|
643 va_list va;
|
|
867
|
644 Ibyte *str;
|
|
771
|
645 Bytecount len;
|
|
|
646 int count;
|
|
|
647
|
|
|
648 va_start (va, fmt);
|
|
|
649 str = emacs_vsprintf_malloc (fmt, va, &len);
|
|
|
650 va_end (va);
|
|
|
651 count = record_unwind_protect_freeing (str);
|
|
826
|
652 write_string_1 (stream, str, len);
|
|
771
|
653 unbind_to (count);
|
|
|
654 }
|
|
|
655
|
|
|
656 /* Write a printf-style string to STREAM, where the arguments are
|
|
|
657 Lisp objects and not C strings or integers; see output_string().
|
|
|
658
|
|
|
659 #### It shouldn't be necessary to specify the number of arguments.
|
|
|
660 This would require some rewriting of the doprnt() functions, though. */
|
|
|
661
|
|
|
662 void
|
|
867
|
663 write_fmt_string_lisp (Lisp_Object stream, const CIbyte *fmt, int nargs, ...)
|
|
771
|
664 {
|
|
|
665 Lisp_Object *args = alloca_array (Lisp_Object, nargs);
|
|
|
666 va_list va;
|
|
|
667 int i;
|
|
867
|
668 Ibyte *str;
|
|
771
|
669 Bytecount len;
|
|
|
670 int count;
|
|
|
671
|
|
|
672 va_start (va, nargs);
|
|
|
673 for (i = 0; i < nargs; i++)
|
|
|
674 args[i] = va_arg (va, Lisp_Object);
|
|
|
675 va_end (va);
|
|
|
676 str = emacs_vsprintf_malloc_lisp (fmt, Qnil, nargs, args, &len);
|
|
|
677 count = record_unwind_protect_freeing (str);
|
|
826
|
678 write_string_1 (stream, str, len);
|
|
771
|
679 unbind_to (count);
|
|
|
680 }
|
|
|
681
|
|
|
682 void
|
|
867
|
683 stderr_out_lisp (const CIbyte *fmt, int nargs, ...)
|
|
771
|
684 {
|
|
|
685 Lisp_Object *args = alloca_array (Lisp_Object, nargs);
|
|
|
686 va_list va;
|
|
|
687 int i;
|
|
867
|
688 Ibyte *str;
|
|
771
|
689 Bytecount len;
|
|
|
690 int count;
|
|
|
691
|
|
|
692 va_start (va, nargs);
|
|
|
693 for (i = 0; i < nargs; i++)
|
|
|
694 args[i] = va_arg (va, Lisp_Object);
|
|
|
695 va_end (va);
|
|
|
696 str = emacs_vsprintf_malloc_lisp (fmt, Qnil, nargs, args, &len);
|
|
|
697 count = record_unwind_protect_freeing (str);
|
|
826
|
698 write_string_1 (Qexternal_debugging_output, str, len);
|
|
771
|
699 unbind_to (count);
|
|
|
700 }
|
|
|
701
|
|
428
|
702
|
|
|
703 DEFUN ("write-char", Fwrite_char, 1, 2, 0, /*
|
|
444
|
704 Output character CHARACTER to stream STREAM.
|
|
428
|
705 STREAM defaults to the value of `standard-output' (which see).
|
|
|
706 */
|
|
444
|
707 (character, stream))
|
|
428
|
708 {
|
|
|
709 /* This function can GC */
|
|
867
|
710 Ibyte str[MAX_ICHAR_LEN];
|
|
428
|
711 Bytecount len;
|
|
|
712
|
|
444
|
713 CHECK_CHAR_COERCE_INT (character);
|
|
867
|
714 len = set_itext_ichar (str, XCHAR (character));
|
|
428
|
715 output_string (canonicalize_printcharfun (stream), str, Qnil, 0, len);
|
|
444
|
716 return character;
|
|
428
|
717 }
|
|
|
718
|
|
|
719 void
|
|
|
720 temp_output_buffer_setup (Lisp_Object bufname)
|
|
|
721 {
|
|
|
722 /* This function can GC */
|
|
|
723 struct buffer *old = current_buffer;
|
|
|
724 Lisp_Object buf;
|
|
|
725
|
|
|
726 #ifdef I18N3
|
|
|
727 /* #### This function should accept a Lisp_Object instead of a char *,
|
|
|
728 so that proper translation on the buffer name can occur. */
|
|
|
729 #endif
|
|
|
730
|
|
|
731 Fset_buffer (Fget_buffer_create (bufname));
|
|
|
732
|
|
|
733 current_buffer->read_only = Qnil;
|
|
|
734 Ferase_buffer (Qnil);
|
|
|
735
|
|
793
|
736 buf = wrap_buffer (current_buffer);
|
|
428
|
737 specbind (Qstandard_output, buf);
|
|
|
738
|
|
|
739 set_buffer_internal (old);
|
|
|
740 }
|
|
|
741
|
|
|
742 Lisp_Object
|
|
|
743 internal_with_output_to_temp_buffer (Lisp_Object bufname,
|
|
|
744 Lisp_Object (*function) (Lisp_Object arg),
|
|
|
745 Lisp_Object arg,
|
|
|
746 Lisp_Object same_frame)
|
|
|
747 {
|
|
|
748 int speccount = specpdl_depth ();
|
|
|
749 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
|
750 Lisp_Object buf = Qnil;
|
|
|
751
|
|
|
752 GCPRO3 (buf, arg, same_frame);
|
|
|
753
|
|
|
754 temp_output_buffer_setup (bufname);
|
|
|
755 buf = Vstandard_output;
|
|
|
756
|
|
|
757 arg = (*function) (arg);
|
|
|
758
|
|
|
759 temp_output_buffer_show (buf, same_frame);
|
|
|
760 UNGCPRO;
|
|
|
761
|
|
771
|
762 return unbind_to_1 (speccount, arg);
|
|
428
|
763 }
|
|
|
764
|
|
|
765 DEFUN ("with-output-to-temp-buffer", Fwith_output_to_temp_buffer, 1, UNEVALLED, 0, /*
|
|
|
766 Bind `standard-output' to buffer BUFNAME, eval BODY, then show that buffer.
|
|
|
767 The buffer is cleared out initially, and marked as unmodified when done.
|
|
|
768 All output done by BODY is inserted in that buffer by default.
|
|
|
769 The buffer is displayed in another window, but not selected.
|
|
|
770 The value of the last form in BODY is returned.
|
|
|
771 If BODY does not finish normally, the buffer BUFNAME is not displayed.
|
|
|
772
|
|
|
773 If variable `temp-buffer-show-function' is non-nil, call it at the end
|
|
|
774 to get the buffer displayed. It gets one argument, the buffer to display.
|
|
|
775 */
|
|
|
776 (args))
|
|
|
777 {
|
|
|
778 /* This function can GC */
|
|
|
779 Lisp_Object name = Qnil;
|
|
|
780 int speccount = specpdl_depth ();
|
|
|
781 struct gcpro gcpro1, gcpro2;
|
|
|
782 Lisp_Object val = Qnil;
|
|
|
783
|
|
|
784 #ifdef I18N3
|
|
|
785 /* #### should set the buffer to be translating. See print_internal(). */
|
|
|
786 #endif
|
|
|
787
|
|
|
788 GCPRO2 (name, val);
|
|
|
789 name = Feval (XCAR (args));
|
|
|
790
|
|
|
791 CHECK_STRING (name);
|
|
|
792
|
|
|
793 temp_output_buffer_setup (name);
|
|
|
794 UNGCPRO;
|
|
|
795
|
|
|
796 val = Fprogn (XCDR (args));
|
|
|
797
|
|
|
798 temp_output_buffer_show (Vstandard_output, Qnil);
|
|
|
799
|
|
771
|
800 return unbind_to_1 (speccount, val);
|
|
428
|
801 }
|
|
|
802
|
|
|
803 DEFUN ("terpri", Fterpri, 0, 1, 0, /*
|
|
|
804 Output a newline to STREAM.
|
|
|
805 If STREAM is omitted or nil, the value of `standard-output' is used.
|
|
|
806 */
|
|
|
807 (stream))
|
|
|
808 {
|
|
|
809 /* This function can GC */
|
|
826
|
810 write_c_string (canonicalize_printcharfun (stream), "\n");
|
|
428
|
811 return Qt;
|
|
|
812 }
|
|
|
813
|
|
|
814 DEFUN ("prin1", Fprin1, 1, 2, 0, /*
|
|
|
815 Output the printed representation of OBJECT, any Lisp object.
|
|
|
816 Quoting characters are printed when needed to make output that `read'
|
|
|
817 can handle, whenever this is possible.
|
|
|
818 Output stream is STREAM, or value of `standard-output' (which see).
|
|
|
819 */
|
|
|
820 (object, stream))
|
|
|
821 {
|
|
|
822 /* This function can GC */
|
|
|
823 Lisp_Object frame = Qnil;
|
|
|
824 struct gcpro gcpro1, gcpro2;
|
|
|
825 GCPRO2 (object, stream);
|
|
|
826
|
|
|
827 stream = print_prepare (stream, &frame);
|
|
|
828 print_internal (object, stream, 1);
|
|
|
829 print_finish (stream, frame);
|
|
|
830
|
|
|
831 UNGCPRO;
|
|
|
832 return object;
|
|
|
833 }
|
|
|
834
|
|
|
835 DEFUN ("prin1-to-string", Fprin1_to_string, 1, 2, 0, /*
|
|
|
836 Return a string containing the printed representation of OBJECT,
|
|
|
837 any Lisp object. Quoting characters are used when needed to make output
|
|
|
838 that `read' can handle, whenever this is possible, unless the optional
|
|
|
839 second argument NOESCAPE is non-nil.
|
|
|
840 */
|
|
|
841 (object, noescape))
|
|
|
842 {
|
|
|
843 /* This function can GC */
|
|
|
844 Lisp_Object result = Qnil;
|
|
|
845 Lisp_Object stream = make_resizing_buffer_output_stream ();
|
|
|
846 Lstream *str = XLSTREAM (stream);
|
|
|
847 /* gcpro OBJECT in case a caller forgot to do so */
|
|
|
848 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
|
849 GCPRO3 (object, stream, result);
|
|
|
850
|
|
|
851 RESET_PRINT_GENSYM;
|
|
|
852 print_internal (object, stream, NILP (noescape));
|
|
|
853 RESET_PRINT_GENSYM;
|
|
|
854 Lstream_flush (str);
|
|
|
855 UNGCPRO;
|
|
|
856 result = make_string (resizing_buffer_stream_ptr (str),
|
|
|
857 Lstream_byte_count (str));
|
|
|
858 Lstream_delete (str);
|
|
|
859 return result;
|
|
|
860 }
|
|
|
861
|
|
|
862 DEFUN ("princ", Fprinc, 1, 2, 0, /*
|
|
|
863 Output the printed representation of OBJECT, any Lisp object.
|
|
|
864 No quoting characters are used; no delimiters are printed around
|
|
|
865 the contents of strings.
|
|
444
|
866 Output stream is STREAM, or value of `standard-output' (which see).
|
|
428
|
867 */
|
|
|
868 (object, stream))
|
|
|
869 {
|
|
|
870 /* This function can GC */
|
|
|
871 Lisp_Object frame = Qnil;
|
|
|
872 struct gcpro gcpro1, gcpro2;
|
|
|
873
|
|
|
874 GCPRO2 (object, stream);
|
|
|
875 stream = print_prepare (stream, &frame);
|
|
|
876 print_internal (object, stream, 0);
|
|
|
877 print_finish (stream, frame);
|
|
|
878 UNGCPRO;
|
|
|
879 return object;
|
|
|
880 }
|
|
|
881
|
|
|
882 DEFUN ("print", Fprint, 1, 2, 0, /*
|
|
|
883 Output the printed representation of OBJECT, with newlines around it.
|
|
|
884 Quoting characters are printed when needed to make output that `read'
|
|
|
885 can handle, whenever this is possible.
|
|
|
886 Output stream is STREAM, or value of `standard-output' (which see).
|
|
|
887 */
|
|
|
888 (object, stream))
|
|
|
889 {
|
|
|
890 /* This function can GC */
|
|
|
891 Lisp_Object frame = Qnil;
|
|
|
892 struct gcpro gcpro1, gcpro2;
|
|
|
893
|
|
|
894 GCPRO2 (object, stream);
|
|
|
895 stream = print_prepare (stream, &frame);
|
|
826
|
896 write_c_string (stream, "\n");
|
|
428
|
897 print_internal (object, stream, 1);
|
|
826
|
898 write_c_string (stream, "\n");
|
|
428
|
899 print_finish (stream, frame);
|
|
|
900 UNGCPRO;
|
|
|
901 return object;
|
|
|
902 }
|
|
|
903
|
|
|
904 /* Print an error message for the error DATA to STREAM. This is a
|
|
|
905 complete implementation of `display-error', which used to be in
|
|
|
906 Lisp (see prim/cmdloop.el). It was ported to C so it can be used
|
|
|
907 efficiently by Ferror_message_string. Fdisplay_error and
|
|
|
908 Ferror_message_string are trivial wrappers around this function.
|
|
|
909
|
|
|
910 STREAM should be the result of canonicalize_printcharfun(). */
|
|
|
911 static void
|
|
|
912 print_error_message (Lisp_Object error_object, Lisp_Object stream)
|
|
|
913 {
|
|
|
914 /* This function can GC */
|
|
|
915 Lisp_Object type = Fcar_safe (error_object);
|
|
|
916 Lisp_Object method = Qnil;
|
|
|
917 Lisp_Object tail;
|
|
|
918
|
|
|
919 /* No need to GCPRO anything under the assumption that ERROR_OBJECT
|
|
|
920 is GCPRO'd. */
|
|
|
921
|
|
|
922 if (! (CONSP (error_object) && SYMBOLP (type)
|
|
|
923 && CONSP (Fget (type, Qerror_conditions, Qnil))))
|
|
|
924 goto error_throw;
|
|
|
925
|
|
|
926 tail = XCDR (error_object);
|
|
|
927 while (!NILP (tail))
|
|
|
928 {
|
|
|
929 if (CONSP (tail))
|
|
|
930 tail = XCDR (tail);
|
|
|
931 else
|
|
|
932 goto error_throw;
|
|
|
933 }
|
|
|
934 tail = Fget (type, Qerror_conditions, Qnil);
|
|
|
935 while (!NILP (tail))
|
|
|
936 {
|
|
|
937 if (!(CONSP (tail) && SYMBOLP (XCAR (tail))))
|
|
|
938 goto error_throw;
|
|
|
939 else if (!NILP (Fget (XCAR (tail), Qdisplay_error, Qnil)))
|
|
|
940 {
|
|
|
941 method = Fget (XCAR (tail), Qdisplay_error, Qnil);
|
|
|
942 goto error_throw;
|
|
|
943 }
|
|
|
944 else
|
|
|
945 tail = XCDR (tail);
|
|
|
946 }
|
|
|
947 /* Default method */
|
|
|
948 {
|
|
|
949 int first = 1;
|
|
|
950 int speccount = specpdl_depth ();
|
|
438
|
951 Lisp_Object frame = Qnil;
|
|
|
952 struct gcpro gcpro1;
|
|
|
953 GCPRO1 (stream);
|
|
428
|
954
|
|
|
955 specbind (Qprint_message_label, Qerror);
|
|
438
|
956 stream = print_prepare (stream, &frame);
|
|
|
957
|
|
428
|
958 tail = Fcdr (error_object);
|
|
|
959 if (EQ (type, Qerror))
|
|
|
960 {
|
|
|
961 print_internal (Fcar (tail), stream, 0);
|
|
|
962 tail = Fcdr (tail);
|
|
|
963 }
|
|
|
964 else
|
|
|
965 {
|
|
|
966 Lisp_Object errmsg = Fget (type, Qerror_message, Qnil);
|
|
|
967 if (NILP (errmsg))
|
|
|
968 print_internal (type, stream, 0);
|
|
|
969 else
|
|
|
970 print_internal (LISP_GETTEXT (errmsg), stream, 0);
|
|
|
971 }
|
|
|
972 while (!NILP (tail))
|
|
|
973 {
|
|
826
|
974 write_c_string (stream, first ? ": " : ", ");
|
|
563
|
975 /* Most errors have an explanatory string as their first argument,
|
|
|
976 and it looks better not to put the quotes around it. */
|
|
|
977 print_internal (Fcar (tail), stream,
|
|
|
978 !(first && STRINGP (Fcar (tail))) ||
|
|
|
979 !NILP (Fget (type, Qerror_lacks_explanatory_string,
|
|
|
980 Qnil)));
|
|
428
|
981 tail = Fcdr (tail);
|
|
|
982 first = 0;
|
|
|
983 }
|
|
438
|
984 print_finish (stream, frame);
|
|
|
985 UNGCPRO;
|
|
771
|
986 unbind_to (speccount);
|
|
428
|
987 return;
|
|
|
988 /* not reached */
|
|
|
989 }
|
|
|
990
|
|
|
991 error_throw:
|
|
|
992 if (NILP (method))
|
|
|
993 {
|
|
826
|
994 write_c_string (stream, GETTEXT ("Peculiar error "));
|
|
428
|
995 print_internal (error_object, stream, 1);
|
|
|
996 return;
|
|
|
997 }
|
|
|
998 else
|
|
|
999 {
|
|
|
1000 call2 (method, error_object, stream);
|
|
|
1001 }
|
|
|
1002 }
|
|
|
1003
|
|
|
1004 DEFUN ("error-message-string", Ferror_message_string, 1, 1, 0, /*
|
|
|
1005 Convert ERROR-OBJECT to an error message, and return it.
|
|
|
1006
|
|
|
1007 The format of ERROR-OBJECT should be (ERROR-SYMBOL . DATA). The
|
|
|
1008 message is equivalent to the one that would be issued by
|
|
|
1009 `display-error' with the same argument.
|
|
|
1010 */
|
|
|
1011 (error_object))
|
|
|
1012 {
|
|
|
1013 /* This function can GC */
|
|
|
1014 Lisp_Object result = Qnil;
|
|
|
1015 Lisp_Object stream = make_resizing_buffer_output_stream ();
|
|
|
1016 struct gcpro gcpro1;
|
|
|
1017 GCPRO1 (stream);
|
|
|
1018
|
|
|
1019 print_error_message (error_object, stream);
|
|
|
1020 Lstream_flush (XLSTREAM (stream));
|
|
|
1021 result = make_string (resizing_buffer_stream_ptr (XLSTREAM (stream)),
|
|
|
1022 Lstream_byte_count (XLSTREAM (stream)));
|
|
|
1023 Lstream_delete (XLSTREAM (stream));
|
|
|
1024
|
|
|
1025 UNGCPRO;
|
|
|
1026 return result;
|
|
|
1027 }
|
|
|
1028
|
|
|
1029 DEFUN ("display-error", Fdisplay_error, 2, 2, 0, /*
|
|
|
1030 Display ERROR-OBJECT on STREAM in a user-friendly way.
|
|
|
1031 */
|
|
|
1032 (error_object, stream))
|
|
|
1033 {
|
|
|
1034 /* This function can GC */
|
|
|
1035 print_error_message (error_object, canonicalize_printcharfun (stream));
|
|
|
1036 return Qnil;
|
|
|
1037 }
|
|
|
1038
|
|
|
1039
|
|
|
1040 Lisp_Object Vfloat_output_format;
|
|
|
1041
|
|
|
1042 /*
|
|
|
1043 * This buffer should be at least as large as the max string size of the
|
|
440
|
1044 * largest float, printed in the biggest notation. This is undoubtedly
|
|
428
|
1045 * 20d float_output_format, with the negative of the C-constant "HUGE"
|
|
|
1046 * from <math.h>.
|
|
|
1047 *
|
|
|
1048 * On the vax the worst case is -1e38 in 20d format which takes 61 bytes.
|
|
|
1049 *
|
|
|
1050 * I assume that IEEE-754 format numbers can take 329 bytes for the worst
|
|
|
1051 * case of -1e307 in 20d float_output_format. What is one to do (short of
|
|
|
1052 * re-writing _doprnt to be more sane)?
|
|
|
1053 * -wsr
|
|
|
1054 */
|
|
|
1055 void
|
|
|
1056 float_to_string (char *buf, double data)
|
|
|
1057 {
|
|
867
|
1058 Ibyte *cp, c;
|
|
428
|
1059 int width;
|
|
|
1060
|
|
|
1061 if (NILP (Vfloat_output_format)
|
|
|
1062 || !STRINGP (Vfloat_output_format))
|
|
|
1063 lose:
|
|
|
1064 sprintf (buf, "%.16g", data);
|
|
|
1065 else /* oink oink */
|
|
|
1066 {
|
|
|
1067 /* Check that the spec we have is fully valid.
|
|
|
1068 This means not only valid for printf,
|
|
|
1069 but meant for floats, and reasonable. */
|
|
|
1070 cp = XSTRING_DATA (Vfloat_output_format);
|
|
|
1071
|
|
|
1072 if (cp[0] != '%')
|
|
|
1073 goto lose;
|
|
|
1074 if (cp[1] != '.')
|
|
|
1075 goto lose;
|
|
|
1076
|
|
|
1077 cp += 2;
|
|
|
1078 for (width = 0; (c = *cp, isdigit (c)); cp++)
|
|
|
1079 {
|
|
|
1080 width *= 10;
|
|
|
1081 width += c - '0';
|
|
|
1082 }
|
|
|
1083
|
|
|
1084 if (*cp != 'e' && *cp != 'f' && *cp != 'g' && *cp != 'E' && *cp != 'G')
|
|
|
1085 goto lose;
|
|
|
1086
|
|
|
1087 if (width < (int) (*cp != 'e' && *cp != 'E') || width > DBL_DIG)
|
|
|
1088 goto lose;
|
|
|
1089
|
|
|
1090 if (cp[1] != 0)
|
|
|
1091 goto lose;
|
|
|
1092
|
|
|
1093 sprintf (buf, (char *) XSTRING_DATA (Vfloat_output_format),
|
|
|
1094 data);
|
|
|
1095 }
|
|
|
1096
|
|
|
1097 /* added by jwz: don't allow "1.0" to print as "1"; that destroys
|
|
|
1098 the read-equivalence of lisp objects. (* x 1) and (* x 1.0) do
|
|
|
1099 not do the same thing, so it's important that the printed
|
|
|
1100 representation of that form not be corrupted by the printer.
|
|
|
1101 */
|
|
|
1102 {
|
|
867
|
1103 Ibyte *s = (Ibyte *) buf; /* don't use signed chars here!
|
|
428
|
1104 isdigit() can't hack them! */
|
|
|
1105 if (*s == '-') s++;
|
|
|
1106 for (; *s; s++)
|
|
|
1107 /* if there's a non-digit, then there is a decimal point, or
|
|
|
1108 it's in exponential notation, both of which are ok. */
|
|
|
1109 if (!isdigit (*s))
|
|
|
1110 goto DONE_LABEL;
|
|
|
1111 /* otherwise, we need to hack it. */
|
|
|
1112 *s++ = '.';
|
|
|
1113 *s++ = '0';
|
|
|
1114 *s = 0;
|
|
|
1115 }
|
|
|
1116 DONE_LABEL:
|
|
|
1117
|
|
|
1118 /* Some machines print "0.4" as ".4". I don't like that. */
|
|
|
1119 if (buf [0] == '.' || (buf [0] == '-' && buf [1] == '.'))
|
|
|
1120 {
|
|
|
1121 int i;
|
|
|
1122 for (i = strlen (buf) + 1; i >= 0; i--)
|
|
|
1123 buf [i+1] = buf [i];
|
|
|
1124 buf [(buf [0] == '-' ? 1 : 0)] = '0';
|
|
|
1125 }
|
|
|
1126 }
|
|
|
1127
|
|
577
|
1128 #define ONE_DIGIT(figure) *p++ = n / (figure) + '0'
|
|
|
1129 #define ONE_DIGIT_ADVANCE(figure) (ONE_DIGIT (figure), n %= (figure))
|
|
|
1130
|
|
|
1131 #define DIGITS_1(figure) ONE_DIGIT (figure)
|
|
|
1132 #define DIGITS_2(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_1 ((figure) / 10)
|
|
|
1133 #define DIGITS_3(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_2 ((figure) / 10)
|
|
|
1134 #define DIGITS_4(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_3 ((figure) / 10)
|
|
|
1135 #define DIGITS_5(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_4 ((figure) / 10)
|
|
|
1136 #define DIGITS_6(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_5 ((figure) / 10)
|
|
|
1137 #define DIGITS_7(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_6 ((figure) / 10)
|
|
|
1138 #define DIGITS_8(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_7 ((figure) / 10)
|
|
|
1139 #define DIGITS_9(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_8 ((figure) / 10)
|
|
|
1140 #define DIGITS_10(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_9 ((figure) / 10)
|
|
|
1141
|
|
|
1142 /* DIGITS_<11-20> are only used on machines with 64-bit longs. */
|
|
428
|
1143
|
|
577
|
1144 #define DIGITS_11(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_10 ((figure) / 10)
|
|
|
1145 #define DIGITS_12(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_11 ((figure) / 10)
|
|
|
1146 #define DIGITS_13(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_12 ((figure) / 10)
|
|
|
1147 #define DIGITS_14(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_13 ((figure) / 10)
|
|
|
1148 #define DIGITS_15(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_14 ((figure) / 10)
|
|
|
1149 #define DIGITS_16(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_15 ((figure) / 10)
|
|
|
1150 #define DIGITS_17(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_16 ((figure) / 10)
|
|
|
1151 #define DIGITS_18(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_17 ((figure) / 10)
|
|
|
1152 #define DIGITS_19(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_18 ((figure) / 10)
|
|
|
1153
|
|
|
1154 /* Print NUMBER to BUFFER in base 10. This is completely equivalent
|
|
|
1155 to `sprintf(buffer, "%ld", number)', only much faster.
|
|
|
1156
|
|
|
1157 The speedup may make a difference in programs that frequently
|
|
|
1158 convert numbers to strings. Some implementations of sprintf,
|
|
|
1159 particularly the one in GNU libc, have been known to be extremely
|
|
|
1160 slow compared to this function.
|
|
|
1161
|
|
|
1162 BUFFER should accept as many bytes as you expect the number to take
|
|
|
1163 up. On machines with 64-bit longs the maximum needed size is 24
|
|
|
1164 bytes. That includes the worst-case digits, the optional `-' sign,
|
|
|
1165 and the trailing \0. */
|
|
|
1166
|
|
|
1167 void
|
|
428
|
1168 long_to_string (char *buffer, long number)
|
|
|
1169 {
|
|
577
|
1170 char *p = buffer;
|
|
|
1171 long n = number;
|
|
|
1172
|
|
428
|
1173 #if (SIZEOF_LONG != 4) && (SIZEOF_LONG != 8)
|
|
577
|
1174 /* We are running in a strange or misconfigured environment. Let
|
|
|
1175 sprintf cope with it. */
|
|
|
1176 sprintf (buffer, "%ld", n);
|
|
|
1177 #else /* (SIZEOF_LONG == 4) || (SIZEOF_LONG == 8) */
|
|
428
|
1178
|
|
577
|
1179 if (n < 0)
|
|
428
|
1180 {
|
|
|
1181 *p++ = '-';
|
|
577
|
1182 n = -n;
|
|
428
|
1183 }
|
|
|
1184
|
|
577
|
1185 if (n < 10) { DIGITS_1 (1); }
|
|
|
1186 else if (n < 100) { DIGITS_2 (10); }
|
|
|
1187 else if (n < 1000) { DIGITS_3 (100); }
|
|
|
1188 else if (n < 10000) { DIGITS_4 (1000); }
|
|
|
1189 else if (n < 100000) { DIGITS_5 (10000); }
|
|
|
1190 else if (n < 1000000) { DIGITS_6 (100000); }
|
|
|
1191 else if (n < 10000000) { DIGITS_7 (1000000); }
|
|
|
1192 else if (n < 100000000) { DIGITS_8 (10000000); }
|
|
|
1193 else if (n < 1000000000) { DIGITS_9 (100000000); }
|
|
|
1194 #if SIZEOF_LONG == 4
|
|
|
1195 /* ``if (1)'' serves only to preserve editor indentation. */
|
|
|
1196 else if (1) { DIGITS_10 (1000000000); }
|
|
|
1197 #else /* SIZEOF_LONG != 4 */
|
|
|
1198 else if (n < 10000000000L) { DIGITS_10 (1000000000L); }
|
|
|
1199 else if (n < 100000000000L) { DIGITS_11 (10000000000L); }
|
|
|
1200 else if (n < 1000000000000L) { DIGITS_12 (100000000000L); }
|
|
|
1201 else if (n < 10000000000000L) { DIGITS_13 (1000000000000L); }
|
|
|
1202 else if (n < 100000000000000L) { DIGITS_14 (10000000000000L); }
|
|
|
1203 else if (n < 1000000000000000L) { DIGITS_15 (100000000000000L); }
|
|
|
1204 else if (n < 10000000000000000L) { DIGITS_16 (1000000000000000L); }
|
|
|
1205 else if (n < 100000000000000000L) { DIGITS_17 (10000000000000000L); }
|
|
|
1206 else if (n < 1000000000000000000L) { DIGITS_18 (100000000000000000L); }
|
|
|
1207 else { DIGITS_19 (1000000000000000000L); }
|
|
|
1208 #endif /* SIZEOF_LONG != 4 */
|
|
|
1209
|
|
428
|
1210 *p = '\0';
|
|
|
1211 #endif /* (SIZEOF_LONG == 4) || (SIZEOF_LONG == 8) */
|
|
|
1212 }
|
|
577
|
1213
|
|
|
1214 #undef ONE_DIGIT
|
|
|
1215 #undef ONE_DIGIT_ADVANCE
|
|
|
1216
|
|
|
1217 #undef DIGITS_1
|
|
|
1218 #undef DIGITS_2
|
|
|
1219 #undef DIGITS_3
|
|
|
1220 #undef DIGITS_4
|
|
|
1221 #undef DIGITS_5
|
|
|
1222 #undef DIGITS_6
|
|
|
1223 #undef DIGITS_7
|
|
|
1224 #undef DIGITS_8
|
|
|
1225 #undef DIGITS_9
|
|
|
1226 #undef DIGITS_10
|
|
|
1227 #undef DIGITS_11
|
|
|
1228 #undef DIGITS_12
|
|
|
1229 #undef DIGITS_13
|
|
|
1230 #undef DIGITS_14
|
|
|
1231 #undef DIGITS_15
|
|
|
1232 #undef DIGITS_16
|
|
|
1233 #undef DIGITS_17
|
|
|
1234 #undef DIGITS_18
|
|
|
1235 #undef DIGITS_19
|
|
428
|
1236
|
|
|
1237 static void
|
|
442
|
1238 print_vector_internal (const char *start, const char *end,
|
|
428
|
1239 Lisp_Object obj,
|
|
|
1240 Lisp_Object printcharfun, int escapeflag)
|
|
|
1241 {
|
|
|
1242 /* This function can GC */
|
|
|
1243 int i;
|
|
|
1244 int len = XVECTOR_LENGTH (obj);
|
|
|
1245 int last = len;
|
|
|
1246 struct gcpro gcpro1, gcpro2;
|
|
|
1247 GCPRO2 (obj, printcharfun);
|
|
|
1248
|
|
|
1249 if (INTP (Vprint_length))
|
|
|
1250 {
|
|
|
1251 int max = XINT (Vprint_length);
|
|
|
1252 if (max < len) last = max;
|
|
|
1253 }
|
|
|
1254
|
|
826
|
1255 write_c_string (printcharfun, start);
|
|
428
|
1256 for (i = 0; i < last; i++)
|
|
|
1257 {
|
|
|
1258 Lisp_Object elt = XVECTOR_DATA (obj)[i];
|
|
826
|
1259 if (i != 0) write_c_string (printcharfun, " ");
|
|
428
|
1260 print_internal (elt, printcharfun, escapeflag);
|
|
|
1261 }
|
|
|
1262 UNGCPRO;
|
|
|
1263 if (last != len)
|
|
826
|
1264 write_c_string (printcharfun, " ...");
|
|
|
1265 write_c_string (printcharfun, end);
|
|
428
|
1266 }
|
|
|
1267
|
|
|
1268 void
|
|
|
1269 print_cons (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
|
1270 {
|
|
|
1271 /* This function can GC */
|
|
|
1272 struct gcpro gcpro1, gcpro2;
|
|
|
1273
|
|
|
1274 /* If print_readably is on, print (quote -foo-) as '-foo-
|
|
|
1275 (Yeah, this should really be what print-pretty does, but we
|
|
|
1276 don't have the rest of a pretty printer, and this actually
|
|
|
1277 has non-negligible impact on size/speed of .elc files.)
|
|
|
1278 */
|
|
|
1279 if (print_readably &&
|
|
|
1280 EQ (XCAR (obj), Qquote) &&
|
|
|
1281 CONSP (XCDR (obj)) &&
|
|
|
1282 NILP (XCDR (XCDR (obj))))
|
|
|
1283 {
|
|
|
1284 obj = XCAR (XCDR (obj));
|
|
|
1285 GCPRO2 (obj, printcharfun);
|
|
826
|
1286 write_c_string (printcharfun, "\'");
|
|
428
|
1287 UNGCPRO;
|
|
|
1288 print_internal (obj, printcharfun, escapeflag);
|
|
|
1289 return;
|
|
|
1290 }
|
|
|
1291
|
|
|
1292 GCPRO2 (obj, printcharfun);
|
|
826
|
1293 write_c_string (printcharfun, "(");
|
|
428
|
1294
|
|
|
1295 {
|
|
|
1296 int len;
|
|
|
1297 int max = INTP (Vprint_length) ? XINT (Vprint_length) : INT_MAX;
|
|
|
1298 Lisp_Object tortoise;
|
|
|
1299 /* Use tortoise/hare to make sure circular lists don't infloop */
|
|
|
1300
|
|
|
1301 for (tortoise = obj, len = 0;
|
|
|
1302 CONSP (obj);
|
|
|
1303 obj = XCDR (obj), len++)
|
|
|
1304 {
|
|
|
1305 if (len > 0)
|
|
826
|
1306 write_c_string (printcharfun, " ");
|
|
428
|
1307 if (EQ (obj, tortoise) && len > 0)
|
|
|
1308 {
|
|
|
1309 if (print_readably)
|
|
563
|
1310 printing_unreadable_object ("circular list");
|
|
428
|
1311 else
|
|
826
|
1312 write_c_string (printcharfun, "... <circular list>");
|
|
428
|
1313 break;
|
|
|
1314 }
|
|
|
1315 if (len & 1)
|
|
|
1316 tortoise = XCDR (tortoise);
|
|
|
1317 if (len > max)
|
|
|
1318 {
|
|
826
|
1319 write_c_string (printcharfun, "...");
|
|
428
|
1320 break;
|
|
|
1321 }
|
|
|
1322 print_internal (XCAR (obj), printcharfun, escapeflag);
|
|
|
1323 }
|
|
|
1324 }
|
|
|
1325 if (!LISTP (obj))
|
|
|
1326 {
|
|
826
|
1327 write_c_string (printcharfun, " . ");
|
|
428
|
1328 print_internal (obj, printcharfun, escapeflag);
|
|
|
1329 }
|
|
|
1330 UNGCPRO;
|
|
|
1331
|
|
826
|
1332 write_c_string (printcharfun, ")");
|
|
428
|
1333 return;
|
|
|
1334 }
|
|
|
1335
|
|
|
1336 void
|
|
|
1337 print_vector (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
|
1338 {
|
|
|
1339 print_vector_internal ("[", "]", obj, printcharfun, escapeflag);
|
|
|
1340 }
|
|
|
1341
|
|
|
1342 void
|
|
|
1343 print_string (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
|
1344 {
|
|
|
1345 /* We distinguish between Bytecounts and Charcounts, to make
|
|
|
1346 Vprint_string_length work correctly under Mule. */
|
|
826
|
1347 Charcount size = string_char_length (obj);
|
|
428
|
1348 Charcount max = size;
|
|
793
|
1349 Bytecount bcmax = XSTRING_LENGTH (obj);
|
|
428
|
1350 struct gcpro gcpro1, gcpro2;
|
|
|
1351 GCPRO2 (obj, printcharfun);
|
|
|
1352
|
|
|
1353 if (INTP (Vprint_string_length) &&
|
|
|
1354 XINT (Vprint_string_length) < max)
|
|
|
1355 {
|
|
|
1356 max = XINT (Vprint_string_length);
|
|
793
|
1357 bcmax = string_index_char_to_byte (obj, max);
|
|
428
|
1358 }
|
|
|
1359 if (max < 0)
|
|
|
1360 {
|
|
|
1361 max = 0;
|
|
|
1362 bcmax = 0;
|
|
|
1363 }
|
|
|
1364
|
|
|
1365 if (!escapeflag)
|
|
|
1366 {
|
|
|
1367 /* This deals with GC-relocation and Mule. */
|
|
|
1368 output_string (printcharfun, 0, obj, 0, bcmax);
|
|
|
1369 if (max < size)
|
|
826
|
1370 write_c_string (printcharfun, " ...");
|
|
428
|
1371 }
|
|
|
1372 else
|
|
|
1373 {
|
|
|
1374 Bytecount i, last = 0;
|
|
|
1375
|
|
826
|
1376 write_c_string (printcharfun, "\"");
|
|
428
|
1377 for (i = 0; i < bcmax; i++)
|
|
|
1378 {
|
|
867
|
1379 Ibyte ch = string_byte (obj, i);
|
|
428
|
1380 if (ch == '\"' || ch == '\\'
|
|
|
1381 || (ch == '\n' && print_escape_newlines))
|
|
|
1382 {
|
|
|
1383 if (i > last)
|
|
|
1384 {
|
|
|
1385 output_string (printcharfun, 0, obj, last,
|
|
|
1386 i - last);
|
|
|
1387 }
|
|
|
1388 if (ch == '\n')
|
|
|
1389 {
|
|
826
|
1390 write_c_string (printcharfun, "\\n");
|
|
428
|
1391 }
|
|
|
1392 else
|
|
|
1393 {
|
|
867
|
1394 Ibyte temp[2];
|
|
826
|
1395 write_c_string (printcharfun, "\\");
|
|
428
|
1396 /* This is correct for Mule because the
|
|
|
1397 character is either \ or " */
|
|
826
|
1398 temp[0] = string_byte (obj, i);
|
|
|
1399 temp[1] = '\0';
|
|
|
1400 write_string (printcharfun, temp);
|
|
428
|
1401 }
|
|
|
1402 last = i + 1;
|
|
|
1403 }
|
|
|
1404 }
|
|
|
1405 if (bcmax > last)
|
|
|
1406 {
|
|
|
1407 output_string (printcharfun, 0, obj, last,
|
|
|
1408 bcmax - last);
|
|
|
1409 }
|
|
|
1410 if (max < size)
|
|
826
|
1411 write_c_string (printcharfun, " ...");
|
|
|
1412 write_c_string (printcharfun, "\"");
|
|
428
|
1413 }
|
|
|
1414 UNGCPRO;
|
|
|
1415 }
|
|
|
1416
|
|
|
1417 static void
|
|
|
1418 default_object_printer (Lisp_Object obj, Lisp_Object printcharfun,
|
|
|
1419 int escapeflag)
|
|
|
1420 {
|
|
|
1421 struct lcrecord_header *header =
|
|
|
1422 (struct lcrecord_header *) XPNTR (obj);
|
|
|
1423
|
|
|
1424 if (print_readably)
|
|
563
|
1425 printing_unreadable_object
|
|
|
1426 ("#<%s 0x%x>",
|
|
|
1427 LHEADER_IMPLEMENTATION (&header->lheader)->name,
|
|
|
1428 header->uid);
|
|
428
|
1429
|
|
800
|
1430 write_fmt_string (printcharfun, "#<%s 0x%x>",
|
|
|
1431 LHEADER_IMPLEMENTATION (&header->lheader)->name,
|
|
|
1432 header->uid);
|
|
428
|
1433 }
|
|
|
1434
|
|
|
1435 void
|
|
|
1436 internal_object_printer (Lisp_Object obj, Lisp_Object printcharfun,
|
|
|
1437 int escapeflag)
|
|
|
1438 {
|
|
800
|
1439 write_fmt_string (printcharfun,
|
|
|
1440 "#<INTERNAL OBJECT (XEmacs bug?) (%s) 0x%lx>",
|
|
|
1441 XRECORD_LHEADER_IMPLEMENTATION (obj)->name,
|
|
|
1442 (unsigned long) XPNTR (obj));
|
|
428
|
1443 }
|
|
|
1444
|
|
1204
|
1445 enum printing_badness
|
|
|
1446 {
|
|
|
1447 BADNESS_INTEGER_OBJECT,
|
|
|
1448 BADNESS_POINTER_OBJECT,
|
|
|
1449 BADNESS_NO_TYPE
|
|
|
1450 };
|
|
|
1451
|
|
|
1452 static void
|
|
|
1453 printing_major_badness (Lisp_Object printcharfun,
|
|
|
1454 Char_ASCII *badness_string, int type, void *val,
|
|
|
1455 enum printing_badness badness)
|
|
|
1456 {
|
|
|
1457 Ibyte buf[666];
|
|
|
1458
|
|
|
1459 switch (badness)
|
|
|
1460 {
|
|
|
1461 case BADNESS_INTEGER_OBJECT:
|
|
|
1462 qxesprintf (buf, "%s %d object %ld", badness_string, type,
|
|
|
1463 (EMACS_INT) val);
|
|
|
1464 break;
|
|
|
1465
|
|
|
1466 case BADNESS_POINTER_OBJECT:
|
|
|
1467 qxesprintf (buf, "%s %d object %p", badness_string, type, val);
|
|
|
1468 break;
|
|
|
1469
|
|
|
1470 case BADNESS_NO_TYPE:
|
|
|
1471 qxesprintf (buf, "%s object %p", badness_string, val);
|
|
|
1472 break;
|
|
|
1473 }
|
|
|
1474
|
|
|
1475 /* Don't abort or signal if called from debug_print() or already
|
|
|
1476 crashing */
|
|
|
1477 if (!inhibit_non_essential_printing_operations)
|
|
|
1478 {
|
|
|
1479 #ifdef ERROR_CHECK_TYPES
|
|
|
1480 abort ();
|
|
|
1481 #else /* not ERROR_CHECK_TYPES */
|
|
|
1482 if (print_readably)
|
|
|
1483 signal_ferror (Qinternal_error, "printing %s", buf);
|
|
|
1484 #endif /* not ERROR_CHECK_TYPES */
|
|
|
1485 }
|
|
|
1486 write_fmt_string (printcharfun,
|
|
|
1487 "#<EMACS BUG: %s Save your buffers immediately and "
|
|
|
1488 "please report this bug>", buf);
|
|
|
1489 }
|
|
|
1490
|
|
428
|
1491 void
|
|
|
1492 print_internal (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
|
1493 {
|
|
|
1494 /* This function can GC */
|
|
802
|
1495 int specdepth;
|
|
1204
|
1496 struct gcpro gcpro1, gcpro2;
|
|
428
|
1497
|
|
|
1498 QUIT;
|
|
|
1499
|
|
771
|
1500 #ifdef NO_PRINT_DURING_GC
|
|
428
|
1501 /* Emacs won't print while GCing, but an external debugger might */
|
|
|
1502 if (gc_in_progress) return;
|
|
771
|
1503 #endif
|
|
|
1504
|
|
1204
|
1505 /* Just to be safe ... */
|
|
|
1506 GCPRO2 (obj, printcharfun);
|
|
428
|
1507
|
|
|
1508 #ifdef I18N3
|
|
|
1509 /* #### Both input and output streams should have a flag associated
|
|
|
1510 with them indicating whether output to that stream, or strings
|
|
|
1511 read from the stream, get translated using Fgettext(). Such a
|
|
|
1512 stream is called a "translating stream". For the minibuffer and
|
|
|
1513 external-debugging-output this is always true on output, and
|
|
|
1514 with-output-to-temp-buffer sets the flag to true for the buffer
|
|
|
1515 it creates. This flag should also be user-settable. Perhaps it
|
|
|
1516 should be split up into two flags, one for input and one for
|
|
|
1517 output. */
|
|
|
1518 #endif
|
|
|
1519
|
|
|
1520 /* Detect circularities and truncate them.
|
|
|
1521 No need to offer any alternative--this is better than an error. */
|
|
|
1522 if (CONSP (obj) || VECTORP (obj) || COMPILED_FUNCTIONP (obj))
|
|
|
1523 {
|
|
|
1524 int i;
|
|
|
1525 for (i = 0; i < print_depth; i++)
|
|
|
1526 if (EQ (obj, being_printed[i]))
|
|
|
1527 {
|
|
603
|
1528 char buf[DECIMAL_PRINT_SIZE (long) + 1];
|
|
428
|
1529 *buf = '#';
|
|
|
1530 long_to_string (buf + 1, i);
|
|
826
|
1531 write_c_string (printcharfun, buf);
|
|
1204
|
1532 UNGCPRO;
|
|
428
|
1533 return;
|
|
|
1534 }
|
|
|
1535 }
|
|
|
1536
|
|
|
1537 being_printed[print_depth] = obj;
|
|
802
|
1538 specdepth = internal_bind_int (&print_depth, print_depth + 1);
|
|
428
|
1539
|
|
|
1540 if (print_depth > PRINT_CIRCLE)
|
|
563
|
1541 signal_error (Qstack_overflow, "Apparently circular structure being printed", Qunbound);
|
|
428
|
1542
|
|
|
1543 switch (XTYPE (obj))
|
|
|
1544 {
|
|
|
1545 case Lisp_Type_Int_Even:
|
|
|
1546 case Lisp_Type_Int_Odd:
|
|
|
1547 {
|
|
603
|
1548 char buf[DECIMAL_PRINT_SIZE (EMACS_INT)];
|
|
428
|
1549 long_to_string (buf, XINT (obj));
|
|
826
|
1550 write_c_string (printcharfun, buf);
|
|
428
|
1551 break;
|
|
|
1552 }
|
|
|
1553
|
|
|
1554 case Lisp_Type_Char:
|
|
|
1555 {
|
|
|
1556 /* God intended that this be #\..., you know. */
|
|
|
1557 char buf[16];
|
|
867
|
1558 Ichar ch = XCHAR (obj);
|
|
428
|
1559 char *p = buf;
|
|
|
1560 *p++ = '?';
|
|
434
|
1561 if (ch < 32)
|
|
|
1562 {
|
|
|
1563 *p++ = '\\';
|
|
|
1564 switch (ch)
|
|
|
1565 {
|
|
|
1566 case '\t': *p++ = 't'; break;
|
|
|
1567 case '\n': *p++ = 'n'; break;
|
|
|
1568 case '\r': *p++ = 'r'; break;
|
|
|
1569 default:
|
|
|
1570 *p++ = '^';
|
|
|
1571 *p++ = ch + 64;
|
|
|
1572 if ((ch + 64) == '\\')
|
|
|
1573 *p++ = '\\';
|
|
|
1574 break;
|
|
|
1575 }
|
|
|
1576 }
|
|
|
1577 else if (ch < 127)
|
|
428
|
1578 {
|
|
434
|
1579 /* syntactically special characters should be escaped. */
|
|
|
1580 switch (ch)
|
|
|
1581 {
|
|
|
1582 case ' ':
|
|
|
1583 case '"':
|
|
|
1584 case '#':
|
|
|
1585 case '\'':
|
|
|
1586 case '(':
|
|
|
1587 case ')':
|
|
|
1588 case ',':
|
|
|
1589 case '.':
|
|
|
1590 case ';':
|
|
|
1591 case '?':
|
|
|
1592 case '[':
|
|
|
1593 case '\\':
|
|
|
1594 case ']':
|
|
|
1595 case '`':
|
|
|
1596 *p++ = '\\';
|
|
|
1597 }
|
|
|
1598 *p++ = ch;
|
|
428
|
1599 }
|
|
|
1600 else if (ch == 127)
|
|
434
|
1601 {
|
|
|
1602 *p++ = '\\', *p++ = '^', *p++ = '?';
|
|
|
1603 }
|
|
|
1604 else if (ch < 160)
|
|
428
|
1605 {
|
|
|
1606 *p++ = '\\', *p++ = '^';
|
|
867
|
1607 p += set_itext_ichar ((Ibyte *) p, ch + 64);
|
|
428
|
1608 }
|
|
|
1609 else
|
|
434
|
1610 {
|
|
867
|
1611 p += set_itext_ichar ((Ibyte *) p, ch);
|
|
434
|
1612 }
|
|
440
|
1613
|
|
867
|
1614 output_string (printcharfun, (Ibyte *) buf, Qnil, 0, p - buf);
|
|
434
|
1615
|
|
428
|
1616 break;
|
|
|
1617 }
|
|
|
1618
|
|
|
1619 case Lisp_Type_Record:
|
|
|
1620 {
|
|
|
1621 struct lrecord_header *lheader = XRECORD_LHEADER (obj);
|
|
1204
|
1622
|
|
|
1623 /* Try to check for various sorts of bogus pointers if we're in a
|
|
|
1624 situation where it may be likely -- i.e. called from
|
|
|
1625 debug_print() or we're already crashing. In such cases,
|
|
|
1626 (further) crashing is counterproductive. */
|
|
428
|
1627
|
|
1204
|
1628 if (inhibit_non_essential_printing_operations &&
|
|
|
1629 !debug_can_access_memory (lheader, sizeof (*lheader)))
|
|
|
1630 {
|
|
|
1631 write_fmt_string (printcharfun, "#<EMACS BUG: BAD MEMORY %p>",
|
|
|
1632 lheader);
|
|
|
1633 break;
|
|
|
1634 }
|
|
|
1635
|
|
|
1636 if (CONSP (obj) || VECTORP (obj))
|
|
428
|
1637 {
|
|
|
1638 /* If deeper than spec'd depth, print placeholder. */
|
|
|
1639 if (INTP (Vprint_level)
|
|
|
1640 && print_depth > XINT (Vprint_level))
|
|
|
1641 {
|
|
826
|
1642 write_c_string (printcharfun, "...");
|
|
428
|
1643 break;
|
|
|
1644 }
|
|
|
1645 }
|
|
|
1646
|
|
1204
|
1647 if (lheader->type == lrecord_type_free)
|
|
|
1648 {
|
|
|
1649 printing_major_badness (printcharfun, "freed lrecord", 0,
|
|
|
1650 lheader, BADNESS_NO_TYPE);
|
|
|
1651 break;
|
|
|
1652 }
|
|
|
1653 else if (lheader->type == lrecord_type_undefined)
|
|
|
1654 {
|
|
|
1655 printing_major_badness (printcharfun, "lrecord_type_undefined", 0,
|
|
|
1656 lheader, BADNESS_NO_TYPE);
|
|
|
1657 break;
|
|
|
1658 }
|
|
|
1659 else if ((int) (lheader->type) >= lrecord_type_count)
|
|
|
1660 {
|
|
|
1661 printing_major_badness (printcharfun, "illegal lrecord type",
|
|
|
1662 (int) (lheader->type),
|
|
|
1663 lheader, BADNESS_POINTER_OBJECT);
|
|
|
1664 break;
|
|
|
1665 }
|
|
|
1666
|
|
|
1667 /* Further checks for bad memory in critical situations. We don't
|
|
|
1668 normally do these because they may be expensive or weird
|
|
|
1669 (e.g. under Unix we typically have to set a SIGSEGV handler and
|
|
|
1670 try to trigger a seg fault). */
|
|
|
1671
|
|
|
1672 if (inhibit_non_essential_printing_operations)
|
|
|
1673 {
|
|
|
1674 if (!debug_can_access_memory
|
|
|
1675 (lheader, detagged_lisp_object_size (lheader)))
|
|
|
1676 {
|
|
|
1677 write_fmt_string (printcharfun,
|
|
|
1678 "#<EMACS BUG: type %s BAD MEMORY %p>",
|
|
|
1679 LHEADER_IMPLEMENTATION (lheader)->name,
|
|
|
1680 lheader);
|
|
|
1681 break;
|
|
|
1682 }
|
|
|
1683
|
|
|
1684 if (STRINGP (obj))
|
|
|
1685 {
|
|
|
1686 Lisp_String *l = (Lisp_String *) lheader;
|
|
|
1687 if (!debug_can_access_memory (l->data_, l->size_))
|
|
|
1688 {
|
|
|
1689 write_fmt_string
|
|
|
1690 (printcharfun,
|
|
|
1691 "#<EMACS BUG: %p (BAD STRING DATA %p)>",
|
|
|
1692 lheader, l->data_);
|
|
|
1693 break;
|
|
|
1694 }
|
|
|
1695 }
|
|
|
1696 }
|
|
|
1697
|
|
428
|
1698 if (LHEADER_IMPLEMENTATION (lheader)->printer)
|
|
|
1699 ((LHEADER_IMPLEMENTATION (lheader)->printer)
|
|
|
1700 (obj, printcharfun, escapeflag));
|
|
|
1701 else
|
|
|
1702 default_object_printer (obj, printcharfun, escapeflag);
|
|
|
1703 break;
|
|
|
1704 }
|
|
|
1705
|
|
|
1706 default:
|
|
|
1707 {
|
|
|
1708 /* We're in trouble if this happens! */
|
|
1204
|
1709 printing_major_badness (printcharfun, "illegal data type", XTYPE (obj),
|
|
|
1710 LISP_TO_VOID (obj), BADNESS_INTEGER_OBJECT);
|
|
428
|
1711 break;
|
|
|
1712 }
|
|
|
1713 }
|
|
|
1714
|
|
802
|
1715 unbind_to (specdepth);
|
|
1204
|
1716 UNGCPRO;
|
|
428
|
1717 }
|
|
|
1718
|
|
|
1719 void
|
|
|
1720 print_float (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
|
1721 {
|
|
|
1722 char pigbuf[350]; /* see comments in float_to_string */
|
|
|
1723
|
|
|
1724 float_to_string (pigbuf, XFLOAT_DATA (obj));
|
|
826
|
1725 write_c_string (printcharfun, pigbuf);
|
|
428
|
1726 }
|
|
|
1727
|
|
|
1728 void
|
|
|
1729 print_symbol (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
|
1730 {
|
|
|
1731 /* This function can GC */
|
|
|
1732 /* #### Bug!! (intern "") isn't printed in some distinguished way */
|
|
|
1733 /* #### (the reader also loses on it) */
|
|
793
|
1734 Lisp_Object name = symbol_name (XSYMBOL (obj));
|
|
|
1735 Bytecount size = XSTRING_LENGTH (name);
|
|
428
|
1736 struct gcpro gcpro1, gcpro2;
|
|
|
1737
|
|
|
1738 if (!escapeflag)
|
|
|
1739 {
|
|
|
1740 /* This deals with GC-relocation */
|
|
793
|
1741 output_string (printcharfun, 0, name, 0, size);
|
|
428
|
1742 return;
|
|
|
1743 }
|
|
|
1744 GCPRO2 (obj, printcharfun);
|
|
|
1745
|
|
|
1746 /* If we print an uninterned symbol as part of a complex object and
|
|
|
1747 the flag print-gensym is non-nil, prefix it with #n= to read the
|
|
|
1748 object back with the #n# reader syntax later if needed. */
|
|
|
1749 if (!NILP (Vprint_gensym)
|
|
442
|
1750 /* #### Test whether this produces a noticeable slow-down for
|
|
428
|
1751 printing when print-gensym is non-nil. */
|
|
|
1752 && !EQ (obj, oblookup (Vobarray,
|
|
793
|
1753 XSTRING_DATA (symbol_name (XSYMBOL (obj))),
|
|
|
1754 XSTRING_LENGTH (symbol_name (XSYMBOL (obj))))))
|
|
428
|
1755 {
|
|
|
1756 if (print_depth > 1)
|
|
|
1757 {
|
|
|
1758 Lisp_Object tem = Fassq (obj, Vprint_gensym_alist);
|
|
|
1759 if (CONSP (tem))
|
|
|
1760 {
|
|
826
|
1761 write_c_string (printcharfun, "#");
|
|
428
|
1762 print_internal (XCDR (tem), printcharfun, escapeflag);
|
|
826
|
1763 write_c_string (printcharfun, "#");
|
|
446
|
1764 UNGCPRO;
|
|
428
|
1765 return;
|
|
|
1766 }
|
|
|
1767 else
|
|
|
1768 {
|
|
|
1769 if (CONSP (Vprint_gensym_alist))
|
|
|
1770 {
|
|
|
1771 /* Vprint_gensym_alist is exposed to Lisp, so we
|
|
|
1772 have to be careful. */
|
|
|
1773 CHECK_CONS (XCAR (Vprint_gensym_alist));
|
|
|
1774 CHECK_INT (XCDR (XCAR (Vprint_gensym_alist)));
|
|
793
|
1775 tem = make_int (XINT (XCDR (XCAR (Vprint_gensym_alist))) + 1);
|
|
428
|
1776 }
|
|
|
1777 else
|
|
793
|
1778 tem = make_int (1);
|
|
428
|
1779 Vprint_gensym_alist = Fcons (Fcons (obj, tem), Vprint_gensym_alist);
|
|
|
1780
|
|
826
|
1781 write_c_string (printcharfun, "#");
|
|
428
|
1782 print_internal (tem, printcharfun, escapeflag);
|
|
826
|
1783 write_c_string (printcharfun, "=");
|
|
428
|
1784 }
|
|
|
1785 }
|
|
826
|
1786 write_c_string (printcharfun, "#:");
|
|
428
|
1787 }
|
|
|
1788
|
|
|
1789 /* Does it look like an integer or a float? */
|
|
|
1790 {
|
|
867
|
1791 Ibyte *data = XSTRING_DATA (name);
|
|
428
|
1792 Bytecount confusing = 0;
|
|
|
1793
|
|
|
1794 if (size == 0)
|
|
|
1795 goto not_yet_confused; /* Really confusing */
|
|
|
1796 else if (isdigit (data[0]))
|
|
|
1797 confusing = 0;
|
|
|
1798 else if (size == 1)
|
|
|
1799 goto not_yet_confused;
|
|
|
1800 else if (data[0] == '-' || data[0] == '+')
|
|
|
1801 confusing = 1;
|
|
|
1802 else
|
|
|
1803 goto not_yet_confused;
|
|
|
1804
|
|
|
1805 for (; confusing < size; confusing++)
|
|
|
1806 {
|
|
|
1807 if (!isdigit (data[confusing]))
|
|
|
1808 {
|
|
|
1809 confusing = 0;
|
|
|
1810 break;
|
|
|
1811 }
|
|
|
1812 }
|
|
|
1813 not_yet_confused:
|
|
|
1814
|
|
|
1815 if (!confusing)
|
|
|
1816 /* #### Ugh, this is needlessly complex and slow for what we
|
|
|
1817 need here. It might be a good idea to copy equivalent code
|
|
|
1818 from FSF. --hniksic */
|
|
|
1819 confusing = isfloat_string ((char *) data);
|
|
|
1820 if (confusing)
|
|
826
|
1821 write_c_string (printcharfun, "\\");
|
|
428
|
1822 }
|
|
|
1823
|
|
|
1824 {
|
|
|
1825 Bytecount i;
|
|
|
1826 Bytecount last = 0;
|
|
|
1827
|
|
|
1828 for (i = 0; i < size; i++)
|
|
|
1829 {
|
|
826
|
1830 switch (string_byte (name, i))
|
|
428
|
1831 {
|
|
|
1832 case 0: case 1: case 2: case 3:
|
|
|
1833 case 4: case 5: case 6: case 7:
|
|
|
1834 case 8: case 9: case 10: case 11:
|
|
|
1835 case 12: case 13: case 14: case 15:
|
|
|
1836 case 16: case 17: case 18: case 19:
|
|
|
1837 case 20: case 21: case 22: case 23:
|
|
|
1838 case 24: case 25: case 26: case 27:
|
|
|
1839 case 28: case 29: case 30: case 31:
|
|
|
1840 case ' ': case '\"': case '\\': case '\'':
|
|
|
1841 case ';': case '#' : case '(' : case ')':
|
|
|
1842 case ',': case '.' : case '`' :
|
|
|
1843 case '[': case ']' : case '?' :
|
|
|
1844 if (i > last)
|
|
793
|
1845 output_string (printcharfun, 0, name, last, i - last);
|
|
826
|
1846 write_c_string (printcharfun, "\\");
|
|
428
|
1847 last = i;
|
|
|
1848 }
|
|
|
1849 }
|
|
793
|
1850 output_string (printcharfun, 0, name, last, size - last);
|
|
428
|
1851 }
|
|
|
1852 UNGCPRO;
|
|
|
1853 }
|
|
|
1854
|
|
|
1855
|
|
442
|
1856 /* Useful on systems or in places where writing to stdout is unavailable or
|
|
|
1857 not working. */
|
|
428
|
1858
|
|
|
1859 static int alternate_do_pointer;
|
|
|
1860 static char alternate_do_string[5000];
|
|
|
1861
|
|
|
1862 DEFUN ("alternate-debugging-output", Falternate_debugging_output, 1, 1, 0, /*
|
|
|
1863 Append CHARACTER to the array `alternate_do_string'.
|
|
|
1864 This can be used in place of `external-debugging-output' as a function
|
|
|
1865 to be passed to `print'. Before calling `print', set `alternate_do_pointer'
|
|
|
1866 to 0.
|
|
|
1867 */
|
|
|
1868 (character))
|
|
|
1869 {
|
|
867
|
1870 Ibyte str[MAX_ICHAR_LEN];
|
|
428
|
1871 Bytecount len;
|
|
|
1872
|
|
|
1873 CHECK_CHAR_COERCE_INT (character);
|
|
867
|
1874 len = set_itext_ichar (str, XCHAR (character));
|
|
771
|
1875 write_string_to_alternate_debugging_output (str, len);
|
|
|
1876
|
|
|
1877 return character;
|
|
|
1878 }
|
|
|
1879
|
|
|
1880 static void
|
|
1346
|
1881 write_string_to_alternate_debugging_output (const Ibyte *str, Bytecount len)
|
|
771
|
1882 {
|
|
|
1883 int extlen;
|
|
|
1884 const Extbyte *extptr;
|
|
|
1885 #if 0 /* We want to see the internal representation, don't we? */
|
|
|
1886 if (initialized && !inhibit_non_essential_printing_operations)
|
|
|
1887 TO_EXTERNAL_FORMAT (DATA, (str, len),
|
|
|
1888 ALLOCA, (extptr, extlen),
|
|
|
1889 Qterminal);
|
|
|
1890 else
|
|
|
1891 #endif /* 0 */
|
|
|
1892 {
|
|
|
1893 extlen = len;
|
|
|
1894 extptr = (Extbyte *) str;
|
|
|
1895 }
|
|
428
|
1896 memcpy (alternate_do_string + alternate_do_pointer, extptr, extlen);
|
|
|
1897 alternate_do_pointer += extlen;
|
|
|
1898 alternate_do_string[alternate_do_pointer] = 0;
|
|
|
1899 }
|
|
|
1900
|
|
1346
|
1901
|
|
|
1902 DEFUN ("set-device-clear-left-side", Fset_device_clear_left_side, 2, 2, 0, /*
|
|
|
1903 Set whether to output a newline before the next output to a stream device.
|
|
|
1904 This will happen only if the most recently-outputted character was not
|
|
|
1905 a newline -- i.e. it will make sure the left side is "clear" of text.
|
|
|
1906 */
|
|
|
1907 (device, value))
|
|
|
1908 {
|
|
|
1909 if (!NILP (device))
|
|
|
1910 CHECK_LIVE_DEVICE (device);
|
|
|
1911 if (NILP (device) || DEVICE_STREAM_P (XDEVICE (device)))
|
|
|
1912 /* #### This should be per-device */
|
|
|
1913 stdout_clear_before_next_output = !NILP (value);
|
|
|
1914 return Qnil;
|
|
|
1915 }
|
|
|
1916
|
|
|
1917 DEFUN ("device-left-side-clear-p", Fdevice_left_side_clear_p, 0, 1, 0, /*
|
|
|
1918 For stream devices, true if the most recent-outputted character was a newline.
|
|
|
1919 */
|
|
|
1920 (device))
|
|
|
1921 {
|
|
|
1922 if (!NILP (device))
|
|
|
1923 CHECK_LIVE_DEVICE (device);
|
|
|
1924 if (NILP (device) || DEVICE_STREAM_P (XDEVICE (device)))
|
|
|
1925 /* #### This should be per-device */
|
|
|
1926 return stdout_needs_newline ? Qt : Qnil;
|
|
|
1927 return Qnil;
|
|
|
1928 }
|
|
|
1929
|
|
428
|
1930 DEFUN ("external-debugging-output", Fexternal_debugging_output, 1, 3, 0, /*
|
|
|
1931 Write CHAR-OR-STRING to stderr or stdout.
|
|
|
1932 If optional arg STDOUT-P is non-nil, write to stdout; otherwise, write
|
|
|
1933 to stderr. You can use this function to write directly to the terminal.
|
|
|
1934 This function can be used as the STREAM argument of Fprint() or the like.
|
|
|
1935
|
|
442
|
1936 Under MS Windows, this writes output to the console window (which is
|
|
|
1937 created, if necessary), unless XEmacs is being run noninteractively
|
|
|
1938 \(i.e. using the `-batch' argument).
|
|
|
1939
|
|
428
|
1940 If you have opened a termscript file (using `open-termscript'), then
|
|
|
1941 the output also will be logged to this file.
|
|
|
1942 */
|
|
|
1943 (char_or_string, stdout_p, device))
|
|
|
1944 {
|
|
|
1945 FILE *file = 0;
|
|
|
1946 struct console *con = 0;
|
|
|
1947
|
|
|
1948 if (NILP (device))
|
|
|
1949 {
|
|
|
1950 if (!NILP (stdout_p))
|
|
|
1951 file = stdout;
|
|
|
1952 else
|
|
|
1953 file = stderr;
|
|
|
1954 }
|
|
|
1955 else
|
|
|
1956 {
|
|
|
1957 CHECK_LIVE_DEVICE (device);
|
|
|
1958 if (!DEVICE_TTY_P (XDEVICE (device)) &&
|
|
|
1959 !DEVICE_STREAM_P (XDEVICE (device)))
|
|
563
|
1960 wtaerror ("Must be tty or stream device", device);
|
|
428
|
1961 con = XCONSOLE (DEVICE_CONSOLE (XDEVICE (device)));
|
|
|
1962 if (DEVICE_TTY_P (XDEVICE (device)))
|
|
|
1963 file = 0;
|
|
|
1964 else if (!NILP (stdout_p))
|
|
|
1965 file = CONSOLE_STREAM_DATA (con)->out;
|
|
|
1966 else
|
|
|
1967 file = CONSOLE_STREAM_DATA (con)->err;
|
|
|
1968 }
|
|
|
1969
|
|
|
1970 if (STRINGP (char_or_string))
|
|
|
1971 write_string_to_stdio_stream (file, con,
|
|
|
1972 XSTRING_DATA (char_or_string),
|
|
771
|
1973 XSTRING_LENGTH (char_or_string),
|
|
|
1974 print_unbuffered);
|
|
428
|
1975 else
|
|
|
1976 {
|
|
867
|
1977 Ibyte str[MAX_ICHAR_LEN];
|
|
428
|
1978 Bytecount len;
|
|
|
1979
|
|
|
1980 CHECK_CHAR_COERCE_INT (char_or_string);
|
|
867
|
1981 len = set_itext_ichar (str, XCHAR (char_or_string));
|
|
771
|
1982 write_string_to_stdio_stream (file, con, str, len, print_unbuffered);
|
|
428
|
1983 }
|
|
|
1984
|
|
|
1985 return char_or_string;
|
|
|
1986 }
|
|
|
1987
|
|
|
1988 DEFUN ("open-termscript", Fopen_termscript, 1, 1, "FOpen termscript file: ", /*
|
|
444
|
1989 Start writing all terminal output to FILENAME as well as the terminal.
|
|
|
1990 FILENAME = nil means just close any termscript file currently open.
|
|
428
|
1991 */
|
|
444
|
1992 (filename))
|
|
428
|
1993 {
|
|
|
1994 /* This function can GC */
|
|
|
1995 if (termscript != 0)
|
|
|
1996 {
|
|
771
|
1997 retry_fclose (termscript);
|
|
444
|
1998 termscript = 0;
|
|
|
1999 }
|
|
|
2000
|
|
|
2001 if (! NILP (filename))
|
|
|
2002 {
|
|
|
2003 filename = Fexpand_file_name (filename, Qnil);
|
|
771
|
2004 termscript = qxe_fopen (XSTRING_DATA (filename), "w");
|
|
428
|
2005 if (termscript == NULL)
|
|
563
|
2006 report_file_error ("Opening termscript", filename);
|
|
428
|
2007 }
|
|
|
2008 return Qnil;
|
|
|
2009 }
|
|
|
2010
|
|
440
|
2011 static int debug_print_length = 50;
|
|
|
2012 static int debug_print_level = 15;
|
|
|
2013 static int debug_print_readably = -1;
|
|
428
|
2014
|
|
1346
|
2015 /* Print an object, `prin1'-style, to various possible debugging outputs.
|
|
|
2016 Make sure it's completely unbuffered so that, in the event of a crash
|
|
|
2017 somewhere, we see as much as possible that happened before it.
|
|
|
2018
|
|
|
2019
|
|
|
2020 */
|
|
428
|
2021 static void
|
|
1346
|
2022 debug_prin1 (Lisp_Object debug_print_obj, int flags)
|
|
428
|
2023 {
|
|
|
2024 /* This function can GC */
|
|
853
|
2025
|
|
|
2026 /* by doing this, we trick various things that are non-essential
|
|
|
2027 but might cause crashes into not getting executed. */
|
|
|
2028 int specdepth =
|
|
|
2029 internal_bind_int (&inhibit_non_essential_printing_operations, 1);
|
|
|
2030
|
|
|
2031 internal_bind_int (&print_depth, 0);
|
|
802
|
2032 internal_bind_int (&print_readably,
|
|
|
2033 debug_print_readably != -1 ? debug_print_readably : 0);
|
|
|
2034 internal_bind_int (&print_unbuffered, print_unbuffered + 1);
|
|
428
|
2035 if (debug_print_length > 0)
|
|
802
|
2036 internal_bind_lisp_object (&Vprint_length, make_int (debug_print_length));
|
|
428
|
2037 if (debug_print_level > 0)
|
|
802
|
2038 internal_bind_lisp_object (&Vprint_level, make_int (debug_print_level));
|
|
|
2039 /* #### Do we need this? It was in the old code. */
|
|
|
2040 internal_bind_lisp_object (&Vinhibit_quit, Vinhibit_quit);
|
|
1346
|
2041
|
|
|
2042 if ((flags & EXT_PRINT_STDOUT) || (flags & EXT_PRINT_STDERR))
|
|
|
2043 print_internal (debug_print_obj, Qexternal_debugging_output, 1);
|
|
|
2044 if (flags & EXT_PRINT_ALTERNATE)
|
|
|
2045 print_internal (debug_print_obj, Qalternate_debugging_output, 1);
|
|
442
|
2046 #ifdef WIN32_NATIVE
|
|
1346
|
2047 if (flags & EXT_PRINT_MSWINDOWS)
|
|
|
2048 {
|
|
|
2049 /* Write out to the debugger, as well */
|
|
|
2050 print_internal (debug_print_obj, Qmswindows_debugging_output, 1);
|
|
|
2051 }
|
|
442
|
2052 #endif
|
|
440
|
2053
|
|
802
|
2054 unbind_to (specdepth);
|
|
428
|
2055 }
|
|
|
2056
|
|
|
2057 void
|
|
1204
|
2058 debug_p4 (Lisp_Object obj)
|
|
|
2059 {
|
|
|
2060 inhibit_non_essential_printing_operations = 1;
|
|
|
2061 if (STRINGP (obj))
|
|
|
2062 debug_out ("\"%s\"", XSTRING_DATA (obj));
|
|
|
2063 else if (CONSP (obj))
|
|
|
2064 {
|
|
|
2065 int first = 1;
|
|
|
2066 do {
|
|
|
2067 debug_out (first ? "(" : " ");
|
|
|
2068 first = 0;
|
|
|
2069 debug_p4 (XCAR (obj));
|
|
|
2070 obj = XCDR (obj);
|
|
|
2071 } while (CONSP (obj));
|
|
|
2072 if (NILP (obj))
|
|
|
2073 debug_out (")");
|
|
|
2074 else
|
|
|
2075 {
|
|
|
2076 debug_out (" . ");
|
|
|
2077 debug_p4 (obj);
|
|
|
2078 debug_out (")");
|
|
|
2079 }
|
|
|
2080 }
|
|
|
2081 else if (VECTORP (obj))
|
|
|
2082 {
|
|
|
2083 int size = XVECTOR_LENGTH (obj);
|
|
|
2084 int i;
|
|
|
2085 int first = 1;
|
|
|
2086
|
|
|
2087 for (i = 0; i < size; i++)
|
|
|
2088 {
|
|
|
2089 debug_out (first ? "[" : " ");
|
|
|
2090 first = 0;
|
|
|
2091 debug_p4 (XVECTOR_DATA (obj)[i]);
|
|
|
2092 debug_out ("]");
|
|
|
2093 }
|
|
|
2094 }
|
|
|
2095 else if (SYMBOLP (obj))
|
|
|
2096 {
|
|
|
2097 Lisp_Object name = XSYMBOL_NAME (obj);
|
|
|
2098 if (!STRINGP (name))
|
|
|
2099 debug_out ("<<bad symbol>>");
|
|
|
2100 else
|
|
|
2101 debug_out ("%s", XSTRING_DATA (name));
|
|
|
2102 }
|
|
|
2103 else if (INTP (obj))
|
|
|
2104 {
|
|
|
2105 debug_out ("%ld", XINT (obj));
|
|
|
2106 }
|
|
|
2107 else if (FLOATP (obj))
|
|
|
2108 {
|
|
|
2109 debug_out ("%g", XFLOAT_DATA (obj));
|
|
|
2110 }
|
|
|
2111 else
|
|
|
2112 {
|
|
|
2113 struct lrecord_header *header =
|
|
|
2114 (struct lrecord_header *) XPNTR (obj);
|
|
|
2115
|
|
|
2116 if (header->type >= lrecord_type_last_built_in_type)
|
|
|
2117 debug_out ("<< bad object type=%d 0x%lx>>", header->type,
|
|
|
2118 (EMACS_INT) header);
|
|
|
2119 else
|
|
|
2120 debug_out ("#<%s 0x%lx>",
|
|
|
2121 LHEADER_IMPLEMENTATION (header)->name,
|
|
|
2122 LHEADER_IMPLEMENTATION (header)->basic_p ?
|
|
|
2123 (EMACS_INT) header :
|
|
|
2124 ((struct lcrecord_header *) header)->uid);
|
|
|
2125 }
|
|
|
2126
|
|
|
2127 inhibit_non_essential_printing_operations = 0;
|
|
|
2128 }
|
|
|
2129
|
|
1346
|
2130 static void
|
|
|
2131 ext_print_begin (int dest)
|
|
|
2132 {
|
|
|
2133 if (dest & EXT_PRINT_ALTERNATE)
|
|
|
2134 alternate_do_pointer = 0;
|
|
|
2135 if (dest & (EXT_PRINT_STDERR | EXT_PRINT_STDOUT))
|
|
|
2136 stdout_clear_before_next_output = 1;
|
|
|
2137 }
|
|
|
2138
|
|
|
2139 static void
|
|
|
2140 ext_print_end (int dest)
|
|
|
2141 {
|
|
|
2142 if (dest & (EXT_PRINT_MSWINDOWS | EXT_PRINT_STDERR | EXT_PRINT_STDOUT))
|
|
|
2143 external_out (dest & (EXT_PRINT_MSWINDOWS | EXT_PRINT_STDERR |
|
|
|
2144 EXT_PRINT_STDOUT), "\n");
|
|
|
2145 }
|
|
|
2146
|
|
|
2147 static void
|
|
|
2148 external_debug_print (Lisp_Object object, int dest)
|
|
|
2149 {
|
|
|
2150 ext_print_begin (dest);
|
|
|
2151 debug_prin1 (object, dest);
|
|
|
2152 ext_print_end (dest);
|
|
|
2153 }
|
|
|
2154
|
|
1204
|
2155 void
|
|
|
2156 debug_p3 (Lisp_Object obj)
|
|
|
2157 {
|
|
|
2158 debug_p4 (obj);
|
|
|
2159 inhibit_non_essential_printing_operations = 1;
|
|
|
2160 debug_out ("\n");
|
|
|
2161 inhibit_non_essential_printing_operations = 0;
|
|
|
2162 }
|
|
|
2163
|
|
|
2164 void
|
|
428
|
2165 debug_print (Lisp_Object debug_print_obj)
|
|
|
2166 {
|
|
1346
|
2167 external_debug_print (debug_print_obj, EXT_PRINT_ALL);
|
|
428
|
2168 }
|
|
|
2169
|
|
1204
|
2170 /* Getting tired of typing debug_print() ... */
|
|
|
2171 void dp (Lisp_Object debug_print_obj);
|
|
|
2172 void
|
|
|
2173 dp (Lisp_Object debug_print_obj)
|
|
|
2174 {
|
|
|
2175 debug_print (debug_print_obj);
|
|
|
2176 }
|
|
|
2177
|
|
1346
|
2178 /* Alternate debug printer: Return a char * pointer to the output */
|
|
|
2179 char *dpa (Lisp_Object debug_print_obj);
|
|
|
2180 char *
|
|
|
2181 dpa (Lisp_Object debug_print_obj)
|
|
|
2182 {
|
|
|
2183 external_debug_print (debug_print_obj, EXT_PRINT_ALTERNATE);
|
|
|
2184
|
|
|
2185 return alternate_do_string;
|
|
|
2186 }
|
|
|
2187
|
|
428
|
2188 /* Debugging kludge -- unbuffered */
|
|
|
2189 /* This function provided for the benefit of the debugger. */
|
|
|
2190 void
|
|
|
2191 debug_backtrace (void)
|
|
|
2192 {
|
|
|
2193 /* This function can GC */
|
|
853
|
2194
|
|
|
2195 /* by doing this, we trick various things that are non-essential
|
|
|
2196 but might cause crashes into not getting executed. */
|
|
|
2197 int specdepth =
|
|
|
2198 internal_bind_int (&inhibit_non_essential_printing_operations, 1);
|
|
|
2199
|
|
|
2200 internal_bind_int (&print_depth, 0);
|
|
802
|
2201 internal_bind_int (&print_readably, 0);
|
|
|
2202 internal_bind_int (&print_unbuffered, print_unbuffered + 1);
|
|
428
|
2203 if (debug_print_length > 0)
|
|
802
|
2204 internal_bind_lisp_object (&Vprint_length, make_int (debug_print_length));
|
|
428
|
2205 if (debug_print_level > 0)
|
|
802
|
2206 internal_bind_lisp_object (&Vprint_level, make_int (debug_print_level));
|
|
|
2207 /* #### Do we need this? It was in the old code. */
|
|
|
2208 internal_bind_lisp_object (&Vinhibit_quit, Vinhibit_quit);
|
|
428
|
2209
|
|
|
2210 Fbacktrace (Qexternal_debugging_output, Qt);
|
|
|
2211 stderr_out ("\n");
|
|
|
2212
|
|
802
|
2213 unbind_to (specdepth);
|
|
428
|
2214 }
|
|
|
2215
|
|
1204
|
2216 /* Getting tired of typing debug_backtrace() ... */
|
|
|
2217 void db (void);
|
|
|
2218 void
|
|
|
2219 db (void)
|
|
|
2220 {
|
|
|
2221 debug_backtrace ();
|
|
|
2222 }
|
|
|
2223
|
|
428
|
2224 void
|
|
|
2225 debug_short_backtrace (int length)
|
|
|
2226 {
|
|
|
2227 int first = 1;
|
|
|
2228 struct backtrace *bt = backtrace_list;
|
|
771
|
2229 debug_out (" [");
|
|
428
|
2230 while (length > 0 && bt)
|
|
|
2231 {
|
|
|
2232 if (!first)
|
|
|
2233 {
|
|
771
|
2234 debug_out (", ");
|
|
428
|
2235 }
|
|
|
2236 if (COMPILED_FUNCTIONP (*bt->function))
|
|
|
2237 {
|
|
1346
|
2238 #if defined (COMPILED_FUNCTION_ANNOTATION_HACK)
|
|
428
|
2239 Lisp_Object ann =
|
|
|
2240 compiled_function_annotation (XCOMPILED_FUNCTION (*bt->function));
|
|
|
2241 #else
|
|
|
2242 Lisp_Object ann = Qnil;
|
|
|
2243 #endif
|
|
|
2244 if (!NILP (ann))
|
|
|
2245 {
|
|
771
|
2246 debug_out ("<compiled-function from ");
|
|
1346
|
2247 debug_prin1 (ann, EXT_PRINT_ALL);
|
|
771
|
2248 debug_out (">");
|
|
428
|
2249 }
|
|
|
2250 else
|
|
|
2251 {
|
|
771
|
2252 debug_out ("<compiled-function of unknown origin>");
|
|
428
|
2253 }
|
|
|
2254 }
|
|
|
2255 else
|
|
1346
|
2256 debug_prin1 (*bt->function, EXT_PRINT_ALL);
|
|
428
|
2257 first = 0;
|
|
|
2258 length--;
|
|
|
2259 bt = bt->next;
|
|
|
2260 }
|
|
771
|
2261 debug_out ("]\n");
|
|
428
|
2262 }
|
|
|
2263
|
|
|
2264
|
|
|
2265 void
|
|
|
2266 syms_of_print (void)
|
|
|
2267 {
|
|
563
|
2268 DEFSYMBOL (Qstandard_output);
|
|
428
|
2269
|
|
563
|
2270 DEFSYMBOL (Qprint_length);
|
|
428
|
2271
|
|
563
|
2272 DEFSYMBOL (Qprint_string_length);
|
|
428
|
2273
|
|
563
|
2274 DEFSYMBOL (Qdisplay_error);
|
|
|
2275 DEFSYMBOL (Qprint_message_label);
|
|
428
|
2276
|
|
|
2277 DEFSUBR (Fprin1);
|
|
|
2278 DEFSUBR (Fprin1_to_string);
|
|
|
2279 DEFSUBR (Fprinc);
|
|
|
2280 DEFSUBR (Fprint);
|
|
|
2281 DEFSUBR (Ferror_message_string);
|
|
|
2282 DEFSUBR (Fdisplay_error);
|
|
|
2283 DEFSUBR (Fterpri);
|
|
|
2284 DEFSUBR (Fwrite_char);
|
|
|
2285 DEFSUBR (Falternate_debugging_output);
|
|
1346
|
2286 DEFSUBR (Fset_device_clear_left_side);
|
|
|
2287 DEFSUBR (Fdevice_left_side_clear_p);
|
|
428
|
2288 DEFSUBR (Fexternal_debugging_output);
|
|
|
2289 DEFSUBR (Fopen_termscript);
|
|
563
|
2290 DEFSYMBOL (Qexternal_debugging_output);
|
|
|
2291 DEFSYMBOL (Qalternate_debugging_output);
|
|
442
|
2292 #ifdef HAVE_MS_WINDOWS
|
|
563
|
2293 DEFSYMBOL (Qmswindows_debugging_output);
|
|
442
|
2294 #endif
|
|
428
|
2295 DEFSUBR (Fwith_output_to_temp_buffer);
|
|
|
2296 }
|
|
|
2297
|
|
|
2298 void
|
|
|
2299 reinit_vars_of_print (void)
|
|
|
2300 {
|
|
|
2301 alternate_do_pointer = 0;
|
|
|
2302 }
|
|
|
2303
|
|
|
2304 void
|
|
|
2305 vars_of_print (void)
|
|
|
2306 {
|
|
|
2307 reinit_vars_of_print ();
|
|
|
2308
|
|
|
2309 DEFVAR_LISP ("standard-output", &Vstandard_output /*
|
|
|
2310 Output stream `print' uses by default for outputting a character.
|
|
|
2311 This may be any function of one argument.
|
|
|
2312 It may also be a buffer (output is inserted before point)
|
|
|
2313 or a marker (output is inserted and the marker is advanced)
|
|
|
2314 or the symbol t (output appears in the minibuffer line).
|
|
|
2315 */ );
|
|
|
2316 Vstandard_output = Qt;
|
|
|
2317
|
|
|
2318 DEFVAR_LISP ("float-output-format", &Vfloat_output_format /*
|
|
|
2319 The format descriptor string that lisp uses to print floats.
|
|
|
2320 This is a %-spec like those accepted by `printf' in C,
|
|
|
2321 but with some restrictions. It must start with the two characters `%.'.
|
|
|
2322 After that comes an integer precision specification,
|
|
|
2323 and then a letter which controls the format.
|
|
|
2324 The letters allowed are `e', `f' and `g'.
|
|
|
2325 Use `e' for exponential notation "DIG.DIGITSeEXPT"
|
|
|
2326 Use `f' for decimal point notation "DIGITS.DIGITS".
|
|
|
2327 Use `g' to choose the shorter of those two formats for the number at hand.
|
|
|
2328 The precision in any of these cases is the number of digits following
|
|
|
2329 the decimal point. With `f', a precision of 0 means to omit the
|
|
|
2330 decimal point. 0 is not allowed with `f' or `g'.
|
|
|
2331
|
|
|
2332 A value of nil means to use `%.16g'.
|
|
|
2333
|
|
|
2334 Regardless of the value of `float-output-format', a floating point number
|
|
|
2335 will never be printed in such a way that it is ambiguous with an integer;
|
|
|
2336 that is, a floating-point number will always be printed with a decimal
|
|
|
2337 point and/or an exponent, even if the digits following the decimal point
|
|
|
2338 are all zero. This is to preserve read-equivalence.
|
|
|
2339 */ );
|
|
|
2340 Vfloat_output_format = Qnil;
|
|
|
2341
|
|
|
2342 DEFVAR_LISP ("print-length", &Vprint_length /*
|
|
|
2343 Maximum length of list or vector to print before abbreviating.
|
|
|
2344 A value of nil means no limit.
|
|
|
2345 */ );
|
|
|
2346 Vprint_length = Qnil;
|
|
|
2347
|
|
|
2348 DEFVAR_LISP ("print-string-length", &Vprint_string_length /*
|
|
|
2349 Maximum length of string to print before abbreviating.
|
|
|
2350 A value of nil means no limit.
|
|
|
2351 */ );
|
|
|
2352 Vprint_string_length = Qnil;
|
|
|
2353
|
|
|
2354 DEFVAR_LISP ("print-level", &Vprint_level /*
|
|
|
2355 Maximum depth of list nesting to print before abbreviating.
|
|
|
2356 A value of nil means no limit.
|
|
|
2357 */ );
|
|
|
2358 Vprint_level = Qnil;
|
|
|
2359
|
|
|
2360 DEFVAR_BOOL ("print-escape-newlines", &print_escape_newlines /*
|
|
|
2361 Non-nil means print newlines in strings as backslash-n.
|
|
|
2362 */ );
|
|
|
2363 print_escape_newlines = 0;
|
|
|
2364
|
|
|
2365 DEFVAR_BOOL ("print-readably", &print_readably /*
|
|
|
2366 If non-nil, then all objects will be printed in a readable form.
|
|
|
2367 If an object has no readable representation, then an error is signalled.
|
|
|
2368 When print-readably is true, compiled-function objects will be written in
|
|
|
2369 #[...] form instead of in #<compiled-function [...]> form, and two-element
|
|
|
2370 lists of the form (quote object) will be written as the equivalent 'object.
|
|
|
2371 Do not SET this variable; bind it instead.
|
|
|
2372 */ );
|
|
|
2373 print_readably = 0;
|
|
|
2374
|
|
|
2375 /* #### I think this should default to t. But we'd better wait
|
|
|
2376 until we see that it works out. */
|
|
|
2377 DEFVAR_LISP ("print-gensym", &Vprint_gensym /*
|
|
|
2378 If non-nil, then uninterned symbols will be printed specially.
|
|
|
2379 Uninterned symbols are those which are not present in `obarray', that is,
|
|
|
2380 those which were made with `make-symbol' or by calling `intern' with a
|
|
|
2381 second argument.
|
|
|
2382
|
|
|
2383 When print-gensym is true, such symbols will be preceded by "#:",
|
|
|
2384 which causes the reader to create a new symbol instead of interning
|
|
|
2385 and returning an existing one. Beware: the #: syntax creates a new
|
|
|
2386 symbol each time it is seen, so if you print an object which contains
|
|
|
2387 two pointers to the same uninterned symbol, `read' will not duplicate
|
|
|
2388 that structure.
|
|
|
2389
|
|
|
2390 If the value of `print-gensym' is a cons cell, then in addition
|
|
|
2391 refrain from clearing `print-gensym-alist' on entry to and exit from
|
|
|
2392 printing functions, so that the use of #...# and #...= can carry over
|
|
|
2393 for several separately printed objects.
|
|
|
2394 */ );
|
|
|
2395 Vprint_gensym = Qnil;
|
|
|
2396
|
|
|
2397 DEFVAR_LISP ("print-gensym-alist", &Vprint_gensym_alist /*
|
|
|
2398 Association list of elements (GENSYM . N) to guide use of #N# and #N=.
|
|
|
2399 In each element, GENSYM is an uninterned symbol that has been associated
|
|
|
2400 with #N= for the specified value of N.
|
|
|
2401 */ );
|
|
|
2402 Vprint_gensym_alist = Qnil;
|
|
|
2403
|
|
|
2404 DEFVAR_LISP ("print-message-label", &Vprint_message_label /*
|
|
|
2405 Label for minibuffer messages created with `print'. This should
|
|
|
2406 generally be bound with `let' rather than set. (See `display-message'.)
|
|
|
2407 */ );
|
|
|
2408 Vprint_message_label = Qprint;
|
|
|
2409 }
|
