Mercurial > hg > xemacs-beta
annotate src/print.c @ 5665:8593e614573a
Avoid signalling args-out-of-range errors, #'truncate-string-to-width
lisp/ChangeLog addition:
Avoid args-out-of-range errors, this function is regularly called
from menu code and with debug-on-signal non-nil, this can be very
irritating.
Don't bind ellipsis-len, we don't use it.
| author | Aidan Kehoe <kehoea@parhasard.net> |
|---|---|
| date | Sat, 12 May 2012 18:12:13 +0100 |
| parents | 56144c8593a8 |
| children | febc025c4e0c |
| rev | line source |
|---|---|
| 428 | 1 /* Lisp object printing and output streams. |
| 2 Copyright (C) 1985, 1986, 1988, 1992-1995 Free Software Foundation, Inc. | |
|
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3 Copyright (C) 1995, 1996, 2000, 2001, 2002, 2003, 2005, 2010 Ben Wing. |
| 428 | 4 |
| 5 This file is part of XEmacs. | |
| 6 | |
|
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7 XEmacs is free software: you can redistribute it and/or modify it |
| 428 | 8 under the terms of the GNU General Public License as published by the |
|
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9 Free Software Foundation, either version 3 of the License, or (at your |
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10 option) any later version. |
| 428 | 11 |
| 12 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
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18 along with XEmacs. If not, see <http://www.gnu.org/licenses/>. */ |
| 428 | 19 |
| 20 /* Synched up with: Not synched with FSF. */ | |
| 21 | |
| 22 /* This file has been Mule-ized. */ | |
| 23 | |
| 771 | 24 /* Seriously divergent from FSF by this point. |
| 25 | |
| 26 Seriously hacked on by Ben Wing for Mule. All stdio code also by Ben, | |
| 27 as well as the debugging code (initial version of debug_print(), though, | |
| 28 by Jamie Zawinski) and the _fmt interfaces. Also a fair amount of work | |
| 29 by Hrvoje, e.g. floating-point code and rewriting to avoid O(N^2) | |
| 30 consing when outputting to the echo area. Print-circularity code by | |
| 31 Martin? */ | |
| 428 | 32 |
| 33 #include <config.h> | |
| 34 #include "lisp.h" | |
| 35 | |
| 36 #include "backtrace.h" | |
| 37 #include "buffer.h" | |
| 38 #include "bytecode.h" | |
| 872 | 39 #include "device-impl.h" |
| 428 | 40 #include "extents.h" |
| 41 #include "frame.h" | |
| 42 #include "insdel.h" | |
| 43 #include "lstream.h" | |
| 771 | 44 #include "opaque.h" |
| 800 | 45 |
| 872 | 46 #include "console-tty-impl.h" |
| 47 #include "console-stream-impl.h" | |
| 442 | 48 #ifdef WIN32_NATIVE |
| 49 #include "console-msw.h" | |
| 50 #endif | |
| 428 | 51 |
| 800 | 52 #include "sysfile.h" |
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53 #include "elhash.h" |
| 800 | 54 |
| 428 | 55 #include <float.h> |
| 56 /* Define if not in float.h */ | |
| 57 #ifndef DBL_DIG | |
| 58 #define DBL_DIG 16 | |
| 59 #endif | |
| 60 | |
| 61 Lisp_Object Vstandard_output, Qstandard_output; | |
| 62 | |
| 63 /* The subroutine object for external-debugging-output is kept here | |
| 64 for the convenience of the debugger. */ | |
| 442 | 65 Lisp_Object Qexternal_debugging_output, Qalternate_debugging_output; |
| 66 | |
| 67 #ifdef HAVE_MS_WINDOWS | |
| 68 Lisp_Object Qmswindows_debugging_output; | |
| 69 #endif | |
| 428 | 70 |
| 71 /* Avoid actual stack overflow in print. */ | |
| 72 static int print_depth; | |
| 73 | |
| 74 /* Detect most circularities to print finite output. */ | |
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75 #define PRINT_CIRCLE_LIMIT 200 |
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76 static Lisp_Object being_printed[PRINT_CIRCLE_LIMIT]; |
| 428 | 77 |
| 78 /* Maximum length of list or vector to print in full; noninteger means | |
| 79 effectively infinity */ | |
| 80 | |
| 81 Lisp_Object Vprint_length; | |
| 82 Lisp_Object Qprint_length; | |
| 83 | |
| 84 /* Maximum length of string to print in full; noninteger means | |
| 85 effectively infinity */ | |
| 86 | |
| 87 Lisp_Object Vprint_string_length; | |
| 88 Lisp_Object Qprint_string_length; | |
| 89 | |
| 90 /* Maximum depth of list to print in full; noninteger means | |
| 91 effectively infinity. */ | |
| 92 | |
| 93 Lisp_Object Vprint_level; | |
| 94 | |
| 95 /* Label to use when making echo-area messages. */ | |
| 96 | |
| 97 Lisp_Object Vprint_message_label; | |
| 98 | |
| 99 /* Nonzero means print newlines in strings as \n. */ | |
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100 Boolint print_escape_newlines; |
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101 |
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102 Boolint print_readably; |
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103 |
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104 /* Non-zero means print #: before uninterned symbols, and use the #n= and |
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105 #n# syntax for them. */ |
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106 Boolint print_gensym; |
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107 |
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108 /* Non-zero means print recursive structures using #n= and #n# syntax. */ |
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109 Boolint print_circle; |
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110 |
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111 /* Non-zero means keep continuous numbers for #n= and #n# syntax between |
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112 several print functions. Setting or binding the corresponding Lisp |
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113 variable to a non-nil value silently *clears* Vprint_number_table. */ |
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114 Boolint print_continuous_numbering; |
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115 |
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116 /* Vprint_number_table is a hash table mapping objects to their statuses for |
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117 this print operation. The statuses are represented by integers. */ |
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118 Lisp_Object Vprint_number_table; |
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119 |
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120 /* These describe the bit fields of the integers in Vprint_number_table. */ |
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121 enum PRINT_NUMBER_FIELDS { |
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122 /* Lowest four bits describe the number of times a given object has |
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123 been seen, allowing entries to be manipulated cheaply by |
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124 inchash_eq() when encountered. */ |
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125 PRINT_NUMBER_SEEN_MASK = 0xF, |
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126 |
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127 /* The next twenty-five bits give the sequence number for the object, |
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128 corresponding to the order in which print_preprocess encountered the |
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129 objects; as such, it's related to print_number_index. */ |
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130 PRINT_NUMBER_ORDINAL_MASK = 0x1FFFFFF0, |
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131 PRINT_NUMBER_ORDINAL_SHIFT = 4, |
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132 |
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133 /* And the next bit describes whether the object has already been printed |
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134 in this print operation (or in these print operations, if |
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135 print-continuous-numbering is relevant). */ |
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136 PRINT_NUMBER_PRINTED_MASK = 0x20000000, |
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137 }; |
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138 |
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139 /* Reflects the number of repeated or possibly-repeated objects encountered |
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140 by print_preprocess(); reset whenever Vprint_number_table is cleared. */ |
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141 Elemcount print_number_index; |
| 428 | 142 |
| 143 Lisp_Object Qdisplay_error; | |
| 144 Lisp_Object Qprint_message_label; | |
| 145 | |
| 146 /* Force immediate output of all printed data. Used for debugging. */ | |
| 147 int print_unbuffered; | |
| 148 | |
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149 /* Non-zero if in debug-printing */ |
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150 int in_debug_print; |
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151 |
| 428 | 152 FILE *termscript; /* Stdio stream being used for copy of all output. */ |
| 153 | |
| 1346 | 154 static void write_string_to_alternate_debugging_output (const Ibyte *str, |
| 771 | 155 Bytecount len); |
| 156 | |
| 1957 | 157 /* To avoid consing in debug_prin1, we package up variables we need to bind |
| 158 into an opaque object. */ | |
| 159 struct debug_bindings | |
| 160 { | |
| 2367 | 161 int inhibit_non_essential_conversion_operations; |
| 1957 | 162 int print_depth; |
| 163 int print_readably; | |
| 164 int print_unbuffered; | |
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165 int in_debug_print; |
| 1957 | 166 int gc_currently_forbidden; |
| 167 Lisp_Object Vprint_length; | |
| 168 Lisp_Object Vprint_level; | |
| 169 Lisp_Object Vinhibit_quit; | |
| 170 }; | |
| 171 | |
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172 static int begin_inhibit_non_essential_conversion_operations (void); |
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173 |
| 428 | 174 |
| 175 | |
| 176 int stdout_needs_newline; | |
| 1346 | 177 int stdout_clear_before_next_output; |
| 428 | 178 |
| 771 | 179 /* Basic function to actually write to a stdio stream or TTY console. */ |
| 180 | |
| 442 | 181 static void |
| 1346 | 182 write_string_to_stdio_stream_1 (FILE *stream, struct console *con, |
| 183 const Ibyte *ptr, Bytecount len, | |
| 184 int must_flush) | |
| 428 | 185 { |
| 771 | 186 Extbyte *extptr = 0; |
| 187 Bytecount extlen = 0; | |
| 188 int output_is_std_handle = | |
| 189 stream ? stream == stdout || stream == stderr : | |
| 190 CONSOLE_TTY_DATA (con)->is_stdio; | |
| 191 | |
| 192 if (stream || output_is_std_handle) | |
| 193 { | |
| 2367 | 194 if (initialized && !inhibit_non_essential_conversion_operations) |
| 771 | 195 TO_EXTERNAL_FORMAT (DATA, (ptr, len), |
| 196 ALLOCA, (extptr, extlen), | |
| 197 Qterminal); | |
| 198 else | |
| 199 { | |
| 2367 | 200 #ifdef NON_ASCII_INTERNAL_FORMAT |
| 201 #error Do something here | |
| 202 #else | |
| 771 | 203 extptr = (Extbyte *) ptr; |
| 204 extlen = (Bytecount) len; | |
| 2367 | 205 #endif |
| 771 | 206 } |
| 207 } | |
| 208 | |
| 428 | 209 if (stream) |
| 210 { | |
| 442 | 211 #ifdef WIN32_NATIVE |
| 212 HANDLE errhand = GetStdHandle (STD_INPUT_HANDLE); | |
| 213 int no_useful_stderr = errhand == 0 || errhand == INVALID_HANDLE_VALUE; | |
| 214 | |
| 215 if (!no_useful_stderr) | |
| 216 no_useful_stderr = !PeekNamedPipe (errhand, 0, 0, 0, 0, 0); | |
| 217 /* we typically have no useful stdout/stderr under windows if we're | |
| 218 being invoked graphically. */ | |
| 219 if (no_useful_stderr) | |
| 771 | 220 mswindows_output_console_string (ptr, len); |
| 442 | 221 else |
| 428 | 222 #endif |
| 442 | 223 { |
| 771 | 224 retry_fwrite (extptr, 1, extlen, stream); |
| 442 | 225 #ifdef WIN32_NATIVE |
| 226 /* Q122442 says that pipes are "treated as files, not as | |
| 227 devices", and that this is a feature. Before I found that | |
| 228 article, I thought it was a bug. Thanks MS, I feel much | |
| 229 better now. - kkm */ | |
| 230 must_flush = 1; | |
| 231 #endif | |
| 232 if (must_flush) | |
| 233 fflush (stream); | |
| 234 } | |
| 428 | 235 } |
| 236 else | |
| 771 | 237 /* The stream itself does conversion to external format */ |
| 238 Lstream_write (XLSTREAM (CONSOLE_TTY_DATA (con)->outstream), ptr, len); | |
| 442 | 239 |
| 240 if (output_is_std_handle) | |
| 428 | 241 { |
| 242 if (termscript) | |
| 243 { | |
| 771 | 244 retry_fwrite (extptr, 1, extlen, termscript); |
| 428 | 245 fflush (termscript); |
| 246 } | |
| 1346 | 247 stdout_needs_newline = (ptr[len - 1] != '\n'); |
| 428 | 248 } |
| 249 } | |
| 250 | |
| 1346 | 251 /* Write to a stdio stream or TTY console, first clearing the left side |
| 252 if necessary. */ | |
| 253 | |
| 254 static void | |
| 255 write_string_to_stdio_stream (FILE *stream, struct console *con, | |
| 256 const Ibyte *ptr, Bytecount len, | |
| 257 int must_flush) | |
| 258 { | |
| 259 if (stdout_clear_before_next_output && | |
| 260 (stream ? stream == stdout || stream == stderr : | |
| 261 CONSOLE_TTY_DATA (con)->is_stdio)) | |
| 262 { | |
| 263 if (stdout_needs_newline) | |
| 264 write_string_to_stdio_stream_1 (stream, con, (Ibyte *) "\n", 1, | |
| 265 must_flush); | |
| 266 stdout_clear_before_next_output = 0; | |
| 267 } | |
| 268 | |
| 269 write_string_to_stdio_stream_1 (stream, con, ptr, len, must_flush); | |
| 270 } | |
| 271 | |
| 272 /* | |
| 273 EXT_PRINT_STDOUT = stdout or its equivalent (may be a | |
| 274 console window under MS Windows) | |
| 275 EXT_PRINT_STDERR = stderr or its equivalent (may be a | |
| 276 console window under MS Windows) | |
| 277 EXT_PRINT_ALTERNATE = an internal character array; see | |
| 278 `alternate-debugging-output' | |
| 279 EXT_PRINT_MSWINDOWS = Under MS Windows, the "debugging output" that | |
| 280 debuggers can hook into; uses OutputDebugString() | |
| 281 system call | |
| 282 EXT_PRINT_ALL = all of the above except stdout | |
| 283 */ | |
| 284 | |
| 285 enum ext_print | |
| 286 { | |
| 287 EXT_PRINT_STDOUT = 1, | |
| 288 EXT_PRINT_STDERR = 2, | |
| 289 EXT_PRINT_ALTERNATE = 4, | |
| 290 EXT_PRINT_MSWINDOWS = 8, | |
| 291 EXT_PRINT_ALL = 14 | |
| 292 }; | |
| 293 | |
| 294 static void | |
| 295 write_string_to_external_output (const Ibyte *ptr, Bytecount len, | |
| 296 int dest) | |
| 297 { | |
| 298 if (dest & EXT_PRINT_STDOUT) | |
| 299 write_string_to_stdio_stream (stdout, 0, ptr, len, 1); | |
| 300 if (dest & EXT_PRINT_STDERR) | |
| 301 write_string_to_stdio_stream (stderr, 0, ptr, len, 1); | |
| 302 if (dest & EXT_PRINT_ALTERNATE) | |
| 303 write_string_to_alternate_debugging_output (ptr, len); | |
| 304 #ifdef WIN32_NATIVE | |
| 305 if (dest & EXT_PRINT_MSWINDOWS) | |
| 306 write_string_to_mswindows_debugging_output (ptr, len); | |
| 307 #endif | |
| 308 } | |
| 309 | |
| 310 /* #### The following function should make use of a call to the | |
| 311 emacs_vsprintf_*() functions rather than just using vsprintf. This is | |
| 312 the only way to ensure that I18N3 works properly (many implementations | |
| 313 of the *printf() functions, including the ones included in glibc, do not | |
| 314 implement the %###$ argument-positioning syntax). | |
| 442 | 315 |
| 316 Note, however, that to do this, we'd have to | |
| 317 | |
| 318 1) pre-allocate all the lstreams and do whatever else was necessary | |
| 319 to make sure that no allocation occurs, since these functions may be | |
| 320 called from fatal_error_signal(). | |
| 321 | |
| 322 2) (to be really correct) make a new lstream that outputs using | |
| 1346 | 323 mswindows_output_console_string(). |
| 324 | |
| 325 3) A reasonable compromise might be to use emacs_vsprintf() when we're | |
| 326 in a safe state, and when not, use plain vsprintf(). */ | |
| 442 | 327 |
| 771 | 328 static void |
| 1346 | 329 write_string_to_external_output_va (const CIbyte *fmt, va_list args, |
| 330 int dest) | |
| 442 | 331 { |
| 867 | 332 Ibyte kludge[8192]; |
| 771 | 333 Bytecount kludgelen; |
| 334 | |
| 2367 | 335 if (initialized && !inhibit_non_essential_conversion_operations) |
| 771 | 336 fmt = GETTEXT (fmt); |
| 867 | 337 vsprintf ((CIbyte *) kludge, fmt, args); |
| 771 | 338 kludgelen = qxestrlen (kludge); |
| 1346 | 339 write_string_to_external_output (kludge, kludgelen, dest); |
| 442 | 340 } |
| 341 | |
| 771 | 342 /* Output portably to stderr or its equivalent (i.e. may be a console |
| 343 window under MS Windows); do external-format conversion and call GETTEXT | |
| 344 on the format string. Automatically flush when done. | |
| 442 | 345 |
| 2731 | 346 NOTE: CIbyte means "internal format" data. This includes the "..." |
| 347 arguments. For numerical arguments, we have to assume that vsprintf | |
| 348 will be a good boy and format them as ASCII. For Mule internal coding | |
| 349 (and UTF-8 internal coding, if/when we get it), it is safe to pass | |
| 350 string values in internal format to be formatted, because zero octets | |
| 351 only occur in the NUL character itself. Similarly, it is safe to pass | |
| 352 pure ASCII literal strings for these functions. *Everything else must | |
| 353 be converted, including all external data.* | |
| 354 | |
| 355 This function is safe to use even when not initialized or when dying -- | |
| 356 we don't do conversion in such cases. */ | |
| 771 | 357 |
| 358 void | |
| 867 | 359 stderr_out (const CIbyte *fmt, ...) |
| 442 | 360 { |
| 361 va_list args; | |
| 362 va_start (args, fmt); | |
| 1346 | 363 write_string_to_external_output_va (fmt, args, EXT_PRINT_STDERR); |
| 442 | 364 va_end (args); |
| 365 } | |
| 366 | |
| 771 | 367 /* Output portably to stdout or its equivalent (i.e. may be a console |
| 368 window under MS Windows). Works like stderr_out(). */ | |
| 442 | 369 |
| 771 | 370 void |
| 867 | 371 stdout_out (const CIbyte *fmt, ...) |
| 442 | 372 { |
| 373 va_list args; | |
| 374 va_start (args, fmt); | |
| 1346 | 375 write_string_to_external_output_va (fmt, args, EXT_PRINT_STDOUT); |
| 376 va_end (args); | |
| 377 } | |
| 378 | |
| 379 /* Output portably to print destination as specified by DEST. */ | |
| 380 | |
| 381 void | |
| 382 external_out (int dest, const CIbyte *fmt, ...) | |
| 383 { | |
| 384 va_list args; | |
| 385 va_start (args, fmt); | |
| 386 write_string_to_external_output_va (fmt, args, dest); | |
| 442 | 387 va_end (args); |
| 771 | 388 } |
| 389 | |
| 390 /* Output portably to stderr or its equivalent (i.e. may be a console | |
| 391 window under MS Windows), as well as alternate-debugging-output and | |
| 392 (under MS Windows) the C debugging output, i.e. OutputDebugString(). | |
| 393 Works like stderr_out(). */ | |
| 394 | |
| 395 void | |
| 867 | 396 debug_out (const CIbyte *fmt, ...) |
| 771 | 397 { |
|
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398 int depth = begin_inhibit_non_essential_conversion_operations (); |
| 771 | 399 va_list args; |
| 400 va_start (args, fmt); | |
| 1346 | 401 write_string_to_external_output_va (fmt, args, EXT_PRINT_ALL); |
| 771 | 402 va_end (args); |
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403 unbind_to (depth); |
| 442 | 404 } |
| 405 | |
| 406 DOESNT_RETURN | |
| 867 | 407 fatal (const CIbyte *fmt, ...) |
| 442 | 408 { |
| 409 va_list args; | |
| 410 va_start (args, fmt); | |
| 411 | |
| 771 | 412 stderr_out ("\nXEmacs: fatal error: "); |
| 1346 | 413 write_string_to_external_output_va (fmt, args, EXT_PRINT_STDERR); |
| 442 | 414 stderr_out ("\n"); |
| 415 | |
| 416 va_end (args); | |
| 417 exit (1); | |
| 418 } | |
| 419 | |
| 428 | 420 /* Write a string to the output location specified in FUNCTION. |
| 421 Arguments NONRELOC, RELOC, OFFSET, and LEN are as in | |
| 771 | 422 buffer_insert_string_1() in insdel.c. |
| 423 | |
| 424 FUNCTION is one of | |
| 425 | |
| 426 -- an lstream | |
| 427 -- a buffer (insert at point and advance point) | |
| 428 -- a marker (insert at marker and advance marker) | |
| 429 -- a frame (append to echo area; clear echo area first if | |
| 430 `print-message-label' has changed since the last time) | |
| 431 -- t or nil (send to stdout) | |
| 432 -- a Lisp function of one argument (call to get data output) | |
| 433 | |
| 434 Use Qexternal_debugging_output to get output to stderr. | |
| 435 */ | |
| 428 | 436 |
| 437 static void | |
| 867 | 438 output_string (Lisp_Object function, const Ibyte *nonreloc, |
| 428 | 439 Lisp_Object reloc, Bytecount offset, Bytecount len) |
| 440 { | |
| 441 /* This function can GC */ | |
| 442 Charcount cclen; | |
| 443 /* We change the value of nonreloc (fetching it from reloc as | |
| 444 necessary), but we don't want to pass this changed value on to | |
| 445 other functions that take both a nonreloc and a reloc, or things | |
| 446 may get confused and an assertion failure in | |
| 447 fixup_internal_substring() may get triggered. */ | |
| 867 | 448 const Ibyte *newnonreloc = nonreloc; |
| 428 | 449 struct gcpro gcpro1, gcpro2; |
| 450 | |
| 451 /* Emacs won't print while GCing, but an external debugger might */ | |
| 771 | 452 #ifdef NO_PRINT_DURING_GC |
| 428 | 453 if (gc_in_progress) return; |
| 771 | 454 #endif |
| 428 | 455 |
| 456 /* Perhaps not necessary but probably safer. */ | |
| 457 GCPRO2 (function, reloc); | |
| 458 | |
| 459 fixup_internal_substring (newnonreloc, reloc, offset, &len); | |
| 460 | |
| 461 if (STRINGP (reloc)) | |
| 771 | 462 { |
| 793 | 463 cclen = string_offset_byte_to_char_len (reloc, offset, len); |
| 771 | 464 newnonreloc = XSTRING_DATA (reloc); |
| 465 } | |
| 466 else | |
| 467 cclen = bytecount_to_charcount (newnonreloc + offset, len); | |
| 428 | 468 |
| 469 if (LSTREAMP (function)) | |
| 470 { | |
| 471 if (STRINGP (reloc)) | |
| 472 { | |
| 473 /* Protect against Lstream_write() causing a GC and | |
| 474 relocating the string. For small strings, we do it by | |
| 475 alloc'ing the string and using a copy; for large strings, | |
| 476 we inhibit GC. */ | |
| 477 if (len < 65536) | |
| 478 { | |
| 2367 | 479 Ibyte *copied = alloca_ibytes (len); |
| 428 | 480 memcpy (copied, newnonreloc + offset, len); |
| 481 Lstream_write (XLSTREAM (function), copied, len); | |
| 482 } | |
| 1957 | 483 else if (gc_currently_forbidden) |
| 484 { | |
| 485 /* Avoid calling begin_gc_forbidden, which conses. We can reach | |
| 486 this point from the cons debug code, which will get us into | |
| 487 an infinite loop if we cons again. */ | |
| 488 Lstream_write (XLSTREAM (function), newnonreloc + offset, len); | |
| 489 } | |
| 428 | 490 else |
| 491 { | |
| 771 | 492 int speccount = begin_gc_forbidden (); |
| 428 | 493 Lstream_write (XLSTREAM (function), newnonreloc + offset, len); |
| 771 | 494 unbind_to (speccount); |
| 428 | 495 } |
| 496 } | |
| 497 else | |
| 498 Lstream_write (XLSTREAM (function), newnonreloc + offset, len); | |
| 499 | |
| 500 if (print_unbuffered) | |
| 501 Lstream_flush (XLSTREAM (function)); | |
| 502 } | |
| 503 else if (BUFFERP (function)) | |
| 504 { | |
| 505 CHECK_LIVE_BUFFER (function); | |
| 506 buffer_insert_string (XBUFFER (function), nonreloc, reloc, offset, len); | |
| 507 } | |
| 508 else if (MARKERP (function)) | |
| 509 { | |
| 510 /* marker_position() will err if marker doesn't point anywhere. */ | |
| 665 | 511 Charbpos spoint = marker_position (function); |
| 428 | 512 |
| 513 buffer_insert_string_1 (XMARKER (function)->buffer, | |
| 514 spoint, nonreloc, reloc, offset, len, | |
| 515 0); | |
|
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516 Fset_marker (function, make_fixnum (spoint + cclen), |
| 428 | 517 Fmarker_buffer (function)); |
| 518 } | |
| 519 else if (FRAMEP (function)) | |
| 520 { | |
| 521 /* This gets used by functions not invoking print_prepare(), | |
| 522 such as Fwrite_char, Fterpri, etc.. */ | |
| 523 struct frame *f = XFRAME (function); | |
| 524 CHECK_LIVE_FRAME (function); | |
| 525 | |
| 526 if (!EQ (Vprint_message_label, echo_area_status (f))) | |
| 527 clear_echo_area_from_print (f, Qnil, 1); | |
| 528 echo_area_append (f, nonreloc, reloc, offset, len, Vprint_message_label); | |
| 529 } | |
| 530 else if (EQ (function, Qt) || EQ (function, Qnil)) | |
| 531 { | |
| 771 | 532 write_string_to_stdio_stream (stdout, 0, newnonreloc + offset, len, |
| 533 print_unbuffered); | |
| 534 } | |
| 535 else if (EQ (function, Qexternal_debugging_output)) | |
| 536 { | |
| 537 /* This is not strictly necessary, and somewhat of a hack, but it | |
| 538 avoids having each character passed separately to | |
| 539 `external-debugging-output'. #### Why do we pass each character | |
| 540 separately, anyway? | |
| 541 */ | |
| 542 write_string_to_stdio_stream (stderr, 0, newnonreloc + offset, len, | |
| 543 print_unbuffered); | |
| 428 | 544 } |
| 545 else | |
| 546 { | |
| 771 | 547 Charcount ccoff; |
| 428 | 548 Charcount iii; |
| 549 | |
| 771 | 550 if (STRINGP (reloc)) |
| 793 | 551 ccoff = string_index_byte_to_char (reloc, offset); |
| 771 | 552 else |
| 553 ccoff = bytecount_to_charcount (newnonreloc, offset); | |
| 554 | |
| 555 if (STRINGP (reloc)) | |
| 428 | 556 { |
| 771 | 557 for (iii = ccoff; iii < cclen + ccoff; iii++) |
| 558 { | |
| 867 | 559 call1 (function, make_char (string_ichar (reloc, iii))); |
| 771 | 560 if (STRINGP (reloc)) |
| 561 newnonreloc = XSTRING_DATA (reloc); | |
| 562 } | |
| 563 } | |
| 564 else | |
| 565 { | |
| 566 for (iii = ccoff; iii < cclen + ccoff; iii++) | |
| 567 { | |
| 568 call1 (function, | |
| 867 | 569 make_char (itext_ichar_n (newnonreloc, iii))); |
| 771 | 570 } |
| 428 | 571 } |
| 572 } | |
| 573 | |
| 574 UNGCPRO; | |
| 575 } | |
| 576 | |
|
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577 static int |
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578 print_continuous_numbering_changed (Lisp_Object UNUSED (sym), |
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579 Lisp_Object *val, |
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580 Lisp_Object UNUSED (in_object), |
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581 int UNUSED (flags)) |
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582 { |
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583 if (!NILP (*val) && !print_continuous_numbering) |
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584 { |
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585 Fclrhash (Vprint_number_table); |
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586 print_number_index = 0; |
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587 } |
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588 |
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589 return 0; |
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590 } |
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591 |
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592 #define RESET_PRINT_NUMBER_TABLE do { \ |
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593 if (!print_continuous_numbering) \ |
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594 { \ |
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595 Fclrhash (Vprint_number_table); \ |
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596 print_number_index = 0; \ |
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597 } \ |
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598 } while (0) |
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599 |
| 1261 | 600 Lisp_Object |
| 428 | 601 canonicalize_printcharfun (Lisp_Object printcharfun) |
| 602 { | |
| 603 if (NILP (printcharfun)) | |
| 604 printcharfun = Vstandard_output; | |
| 605 | |
| 1261 | 606 if (!noninteractive && (EQ (printcharfun, Qt) || NILP (printcharfun))) |
| 428 | 607 printcharfun = Fselected_frame (Qnil); /* print to minibuffer */ |
| 608 | |
| 609 return printcharfun; | |
| 610 } | |
| 611 | |
| 612 static Lisp_Object | |
| 613 print_prepare (Lisp_Object printcharfun, Lisp_Object *frame_kludge) | |
| 614 { | |
| 615 /* Emacs won't print while GCing, but an external debugger might */ | |
| 771 | 616 #ifdef NO_PRINT_DURING_GC |
| 428 | 617 if (gc_in_progress) |
| 618 return Qnil; | |
| 771 | 619 #endif |
|
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620 |
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621 RESET_PRINT_NUMBER_TABLE; |
| 428 | 622 |
| 623 printcharfun = canonicalize_printcharfun (printcharfun); | |
| 624 | |
| 625 /* Here we could safely return the canonicalized PRINTCHARFUN. | |
| 626 However, if PRINTCHARFUN is a frame, printing of complex | |
| 627 structures becomes very expensive, because `append-message' | |
| 628 (called by echo_area_append) gets called as many times as | |
| 629 output_string() is called (and that's a *lot*). append-message | |
| 630 tries to keep top of the message-stack in sync with the contents | |
| 631 of " *Echo Area" buffer, consing a new string for each component | |
| 632 of the printed structure. For instance, if you print (a a), | |
| 633 append-message will cons up the following strings: | |
| 634 | |
| 635 "(" | |
| 636 "(a" | |
| 637 "(a " | |
| 638 "(a a" | |
| 639 "(a a)" | |
| 640 | |
| 641 and will use only the last one. With larger objects, this turns | |
| 642 into an O(n^2) consing frenzy that locks up XEmacs in incessant | |
| 643 garbage collection. | |
| 644 | |
| 645 We prevent this by creating a resizing_buffer stream and letting | |
| 646 the printer write into it. print_finish() will notice this | |
| 647 stream, and invoke echo_area_append() with the stream's buffer, | |
| 648 only once. */ | |
| 649 if (FRAMEP (printcharfun)) | |
| 650 { | |
| 651 CHECK_LIVE_FRAME (printcharfun); | |
| 652 *frame_kludge = printcharfun; | |
| 653 printcharfun = make_resizing_buffer_output_stream (); | |
| 654 } | |
| 655 | |
| 656 return printcharfun; | |
| 657 } | |
| 658 | |
| 659 static void | |
| 660 print_finish (Lisp_Object stream, Lisp_Object frame_kludge) | |
| 661 { | |
| 662 /* Emacs won't print while GCing, but an external debugger might */ | |
| 771 | 663 #ifdef NO_PRINT_DURING_GC |
| 428 | 664 if (gc_in_progress) |
| 665 return; | |
| 771 | 666 #endif |
|
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667 |
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668 RESET_PRINT_NUMBER_TABLE; |
| 428 | 669 |
| 670 /* See the comment in print_prepare(). */ | |
| 671 if (FRAMEP (frame_kludge)) | |
| 672 { | |
| 673 struct frame *f = XFRAME (frame_kludge); | |
| 674 Lstream *str = XLSTREAM (stream); | |
| 675 CHECK_LIVE_FRAME (frame_kludge); | |
| 676 | |
| 677 Lstream_flush (str); | |
| 678 if (!EQ (Vprint_message_label, echo_area_status (f))) | |
| 679 clear_echo_area_from_print (f, Qnil, 1); | |
| 680 echo_area_append (f, resizing_buffer_stream_ptr (str), | |
| 681 Qnil, 0, Lstream_byte_count (str), | |
| 682 Vprint_message_label); | |
| 683 Lstream_delete (str); | |
| 684 } | |
| 685 } | |
| 686 | |
| 687 | |
| 771 | 688 /* Write internal-format data to STREAM. See output_string() for |
| 689 interpretation of STREAM. | |
| 690 | |
| 691 NOTE: Do not call this with the data of a Lisp_String, as | |
| 428 | 692 printcharfun might cause a GC, which might cause the string's data |
| 693 to be relocated. To princ a Lisp string, use: | |
| 694 | |
| 695 print_internal (string, printcharfun, 0); | |
| 696 | |
| 697 Also note that STREAM should be the result of | |
| 698 canonicalize_printcharfun() (i.e. Qnil means stdout, not | |
| 699 Vstandard_output, etc.) */ | |
| 700 void | |
| 867 | 701 write_string_1 (Lisp_Object stream, const Ibyte *str, Bytecount size) |
| 428 | 702 { |
| 703 /* This function can GC */ | |
| 800 | 704 #ifdef ERROR_CHECK_TEXT |
| 428 | 705 assert (size >= 0); |
| 706 #endif | |
| 707 output_string (stream, str, Qnil, 0, size); | |
| 708 } | |
| 709 | |
| 710 void | |
|
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711 write_istring (Lisp_Object stream, const Ibyte *str) |
| 771 | 712 { |
| 713 /* This function can GC */ | |
| 826 | 714 write_string_1 (stream, str, qxestrlen (str)); |
| 771 | 715 } |
| 716 | |
| 717 void | |
|
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718 write_cistring (Lisp_Object stream, const CIbyte *str) |
| 428 | 719 { |
| 720 /* This function can GC */ | |
|
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721 write_istring (stream, (const Ibyte *) str); |
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722 } |
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723 |
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724 void |
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|
725 write_ascstring (Lisp_Object stream, const Ascbyte *str) |
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726 { |
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|
727 /* This function can GC */ |
|
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|
728 ASSERT_ASCTEXT_ASCII (str); |
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729 write_istring (stream, (const Ibyte *) str); |
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730 } |
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|
731 |
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|
732 void |
|
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|
733 write_msg_istring (Lisp_Object stream, const Ibyte *str) |
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734 { |
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|
735 /* This function can GC */ |
| 4973 | 736 write_istring (stream, IGETTEXT (str)); |
|
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737 } |
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738 |
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|
739 void |
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740 write_msg_cistring (Lisp_Object stream, const CIbyte *str) |
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741 { |
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|
742 /* This function can GC */ |
| 4973 | 743 write_msg_istring (stream, (const Ibyte *) str); |
|
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744 } |
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|
745 |
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746 void |
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|
747 write_msg_ascstring (Lisp_Object stream, const Ascbyte *str) |
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748 { |
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749 /* This function can GC */ |
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750 ASSERT_ASCTEXT_ASCII (str); |
| 4973 | 751 write_msg_istring (stream, (const Ibyte *) str); |
| 428 | 752 } |
| 753 | |
| 793 | 754 void |
| 826 | 755 write_eistring (Lisp_Object stream, const Eistring *ei) |
| 793 | 756 { |
| 826 | 757 write_string_1 (stream, eidata (ei), eilen (ei)); |
| 793 | 758 } |
| 759 | |
| 771 | 760 /* Write a printf-style string to STREAM; see output_string(). */ |
| 761 | |
| 762 void | |
| 867 | 763 write_fmt_string (Lisp_Object stream, const CIbyte *fmt, ...) |
| 771 | 764 { |
| 765 va_list va; | |
| 867 | 766 Ibyte *str; |
| 771 | 767 Bytecount len; |
| 768 int count; | |
| 769 | |
| 770 va_start (va, fmt); | |
| 771 str = emacs_vsprintf_malloc (fmt, va, &len); | |
| 772 va_end (va); | |
| 773 count = record_unwind_protect_freeing (str); | |
| 826 | 774 write_string_1 (stream, str, len); |
| 771 | 775 unbind_to (count); |
| 776 } | |
| 777 | |
| 778 /* Write a printf-style string to STREAM, where the arguments are | |
| 779 Lisp objects and not C strings or integers; see output_string(). | |
| 780 | |
| 781 #### It shouldn't be necessary to specify the number of arguments. | |
| 782 This would require some rewriting of the doprnt() functions, though. */ | |
| 783 | |
| 784 void | |
| 867 | 785 write_fmt_string_lisp (Lisp_Object stream, const CIbyte *fmt, int nargs, ...) |
| 771 | 786 { |
| 787 Lisp_Object *args = alloca_array (Lisp_Object, nargs); | |
| 788 va_list va; | |
| 789 int i; | |
| 867 | 790 Ibyte *str; |
| 771 | 791 Bytecount len; |
| 792 int count; | |
| 793 | |
| 794 va_start (va, nargs); | |
| 795 for (i = 0; i < nargs; i++) | |
| 796 args[i] = va_arg (va, Lisp_Object); | |
| 797 va_end (va); | |
| 798 str = emacs_vsprintf_malloc_lisp (fmt, Qnil, nargs, args, &len); | |
| 799 count = record_unwind_protect_freeing (str); | |
| 826 | 800 write_string_1 (stream, str, len); |
| 771 | 801 unbind_to (count); |
| 802 } | |
| 803 | |
| 804 void | |
| 867 | 805 stderr_out_lisp (const CIbyte *fmt, int nargs, ...) |
| 771 | 806 { |
| 807 Lisp_Object *args = alloca_array (Lisp_Object, nargs); | |
| 808 va_list va; | |
| 809 int i; | |
| 867 | 810 Ibyte *str; |
| 771 | 811 Bytecount len; |
| 812 int count; | |
| 813 | |
| 814 va_start (va, nargs); | |
| 815 for (i = 0; i < nargs; i++) | |
| 816 args[i] = va_arg (va, Lisp_Object); | |
| 817 va_end (va); | |
| 818 str = emacs_vsprintf_malloc_lisp (fmt, Qnil, nargs, args, &len); | |
| 819 count = record_unwind_protect_freeing (str); | |
| 826 | 820 write_string_1 (Qexternal_debugging_output, str, len); |
| 771 | 821 unbind_to (count); |
| 822 } | |
| 823 | |
| 428 | 824 |
| 825 DEFUN ("write-char", Fwrite_char, 1, 2, 0, /* | |
| 444 | 826 Output character CHARACTER to stream STREAM. |
| 428 | 827 STREAM defaults to the value of `standard-output' (which see). |
| 828 */ | |
| 444 | 829 (character, stream)) |
| 428 | 830 { |
| 831 /* This function can GC */ | |
| 867 | 832 Ibyte str[MAX_ICHAR_LEN]; |
| 428 | 833 Bytecount len; |
| 834 | |
| 444 | 835 CHECK_CHAR_COERCE_INT (character); |
| 867 | 836 len = set_itext_ichar (str, XCHAR (character)); |
| 428 | 837 output_string (canonicalize_printcharfun (stream), str, Qnil, 0, len); |
| 444 | 838 return character; |
| 428 | 839 } |
| 840 | |
| 841 void | |
| 842 temp_output_buffer_setup (Lisp_Object bufname) | |
| 843 { | |
| 844 /* This function can GC */ | |
| 845 struct buffer *old = current_buffer; | |
| 846 Lisp_Object buf; | |
| 847 | |
| 848 #ifdef I18N3 | |
| 849 /* #### This function should accept a Lisp_Object instead of a char *, | |
| 850 so that proper translation on the buffer name can occur. */ | |
| 851 #endif | |
| 852 | |
| 853 Fset_buffer (Fget_buffer_create (bufname)); | |
| 854 | |
| 855 current_buffer->read_only = Qnil; | |
| 856 Ferase_buffer (Qnil); | |
| 857 | |
| 793 | 858 buf = wrap_buffer (current_buffer); |
| 428 | 859 specbind (Qstandard_output, buf); |
| 860 | |
| 861 set_buffer_internal (old); | |
| 862 } | |
| 863 | |
| 864 Lisp_Object | |
| 865 internal_with_output_to_temp_buffer (Lisp_Object bufname, | |
| 866 Lisp_Object (*function) (Lisp_Object arg), | |
| 867 Lisp_Object arg, | |
| 868 Lisp_Object same_frame) | |
| 869 { | |
| 870 int speccount = specpdl_depth (); | |
| 871 struct gcpro gcpro1, gcpro2, gcpro3; | |
| 872 Lisp_Object buf = Qnil; | |
| 873 | |
| 874 GCPRO3 (buf, arg, same_frame); | |
| 875 | |
| 876 temp_output_buffer_setup (bufname); | |
| 877 buf = Vstandard_output; | |
| 878 | |
| 879 arg = (*function) (arg); | |
| 880 | |
| 881 temp_output_buffer_show (buf, same_frame); | |
| 882 UNGCPRO; | |
| 883 | |
| 771 | 884 return unbind_to_1 (speccount, arg); |
| 428 | 885 } |
| 886 | |
| 887 DEFUN ("with-output-to-temp-buffer", Fwith_output_to_temp_buffer, 1, UNEVALLED, 0, /* | |
| 888 Bind `standard-output' to buffer BUFNAME, eval BODY, then show that buffer. | |
| 889 The buffer is cleared out initially, and marked as unmodified when done. | |
| 890 All output done by BODY is inserted in that buffer by default. | |
| 891 The buffer is displayed in another window, but not selected. | |
| 892 The value of the last form in BODY is returned. | |
| 893 If BODY does not finish normally, the buffer BUFNAME is not displayed. | |
| 894 | |
| 895 If variable `temp-buffer-show-function' is non-nil, call it at the end | |
| 896 to get the buffer displayed. It gets one argument, the buffer to display. | |
|
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897 |
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898 arguments: (BUFNAME &rest BODY) |
| 428 | 899 */ |
| 900 (args)) | |
| 901 { | |
| 902 /* This function can GC */ | |
| 903 Lisp_Object name = Qnil; | |
| 904 int speccount = specpdl_depth (); | |
| 905 struct gcpro gcpro1, gcpro2; | |
| 906 Lisp_Object val = Qnil; | |
| 907 | |
| 908 #ifdef I18N3 | |
| 909 /* #### should set the buffer to be translating. See print_internal(). */ | |
| 910 #endif | |
| 911 | |
| 912 GCPRO2 (name, val); | |
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913 name = IGNORE_MULTIPLE_VALUES (Feval (XCAR (args))); |
| 428 | 914 |
| 915 CHECK_STRING (name); | |
| 916 | |
| 917 temp_output_buffer_setup (name); | |
| 918 UNGCPRO; | |
| 919 | |
| 920 val = Fprogn (XCDR (args)); | |
| 921 | |
| 922 temp_output_buffer_show (Vstandard_output, Qnil); | |
| 923 | |
| 771 | 924 return unbind_to_1 (speccount, val); |
| 428 | 925 } |
| 926 | |
| 927 DEFUN ("terpri", Fterpri, 0, 1, 0, /* | |
| 928 Output a newline to STREAM. | |
| 929 If STREAM is omitted or nil, the value of `standard-output' is used. | |
| 930 */ | |
| 931 (stream)) | |
| 932 { | |
| 933 /* This function can GC */ | |
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934 write_ascstring (canonicalize_printcharfun (stream), "\n"); |
| 428 | 935 return Qt; |
| 936 } | |
| 937 | |
| 938 DEFUN ("prin1", Fprin1, 1, 2, 0, /* | |
| 939 Output the printed representation of OBJECT, any Lisp object. | |
| 940 Quoting characters are printed when needed to make output that `read' | |
| 941 can handle, whenever this is possible. | |
| 942 Output stream is STREAM, or value of `standard-output' (which see). | |
| 943 */ | |
| 944 (object, stream)) | |
| 945 { | |
| 946 /* This function can GC */ | |
| 947 Lisp_Object frame = Qnil; | |
| 948 struct gcpro gcpro1, gcpro2; | |
| 949 GCPRO2 (object, stream); | |
| 950 | |
| 951 stream = print_prepare (stream, &frame); | |
| 952 print_internal (object, stream, 1); | |
| 953 print_finish (stream, frame); | |
| 954 | |
| 955 UNGCPRO; | |
| 956 return object; | |
| 957 } | |
| 958 | |
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959 Lisp_Object |
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960 prin1_to_string (Lisp_Object object, int noescape) |
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961 { |
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962 /* This function can GC */ |
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963 Lisp_Object result = Qnil; |
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964 Lisp_Object stream = make_resizing_buffer_output_stream (); |
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965 Lstream *str = XLSTREAM (stream); |
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966 /* gcpro OBJECT in case a caller forgot to do so */ |
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967 struct gcpro gcpro1, gcpro2, gcpro3; |
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968 GCPRO3 (object, stream, result); |
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969 |
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970 print_internal (object, stream, !noescape); |
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971 Lstream_flush (str); |
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972 UNGCPRO; |
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973 result = make_string (resizing_buffer_stream_ptr (str), |
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974 Lstream_byte_count (str)); |
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975 Lstream_delete (str); |
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976 return result; |
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977 } |
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978 |
| 428 | 979 DEFUN ("prin1-to-string", Fprin1_to_string, 1, 2, 0, /* |
| 980 Return a string containing the printed representation of OBJECT, | |
| 981 any Lisp object. Quoting characters are used when needed to make output | |
| 982 that `read' can handle, whenever this is possible, unless the optional | |
| 983 second argument NOESCAPE is non-nil. | |
| 984 */ | |
| 985 (object, noescape)) | |
| 986 { | |
| 987 /* This function can GC */ | |
| 988 Lisp_Object result = Qnil; | |
| 989 | |
|
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990 RESET_PRINT_NUMBER_TABLE; |
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991 result = prin1_to_string (object, !(EQ(noescape, Qnil))); |
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992 RESET_PRINT_NUMBER_TABLE; |
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993 |
| 428 | 994 return result; |
| 995 } | |
| 996 | |
| 997 DEFUN ("princ", Fprinc, 1, 2, 0, /* | |
| 998 Output the printed representation of OBJECT, any Lisp object. | |
| 999 No quoting characters are used; no delimiters are printed around | |
| 1000 the contents of strings. | |
| 444 | 1001 Output stream is STREAM, or value of `standard-output' (which see). |
| 428 | 1002 */ |
| 1003 (object, stream)) | |
| 1004 { | |
| 1005 /* This function can GC */ | |
| 1006 Lisp_Object frame = Qnil; | |
| 1007 struct gcpro gcpro1, gcpro2; | |
| 1008 | |
| 1009 GCPRO2 (object, stream); | |
| 1010 stream = print_prepare (stream, &frame); | |
| 1011 print_internal (object, stream, 0); | |
| 1012 print_finish (stream, frame); | |
| 1013 UNGCPRO; | |
| 1014 return object; | |
| 1015 } | |
| 1016 | |
| 1017 DEFUN ("print", Fprint, 1, 2, 0, /* | |
| 1018 Output the printed representation of OBJECT, with newlines around it. | |
| 1019 Quoting characters are printed when needed to make output that `read' | |
| 1020 can handle, whenever this is possible. | |
| 1021 Output stream is STREAM, or value of `standard-output' (which see). | |
| 1022 */ | |
| 1023 (object, stream)) | |
| 1024 { | |
| 1025 /* This function can GC */ | |
| 1026 Lisp_Object frame = Qnil; | |
| 1027 struct gcpro gcpro1, gcpro2; | |
| 1028 | |
| 1029 GCPRO2 (object, stream); | |
| 1030 stream = print_prepare (stream, &frame); | |
|
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1031 write_ascstring (stream, "\n"); |
| 428 | 1032 print_internal (object, stream, 1); |
|
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1033 write_ascstring (stream, "\n"); |
| 428 | 1034 print_finish (stream, frame); |
| 1035 UNGCPRO; | |
| 1036 return object; | |
| 1037 } | |
| 1038 | |
| 1039 /* Print an error message for the error DATA to STREAM. This is a | |
| 1040 complete implementation of `display-error', which used to be in | |
| 1041 Lisp (see prim/cmdloop.el). It was ported to C so it can be used | |
| 1042 efficiently by Ferror_message_string. Fdisplay_error and | |
| 1043 Ferror_message_string are trivial wrappers around this function. | |
| 1044 | |
| 1045 STREAM should be the result of canonicalize_printcharfun(). */ | |
| 1046 static void | |
| 1047 print_error_message (Lisp_Object error_object, Lisp_Object stream) | |
| 1048 { | |
| 1049 /* This function can GC */ | |
| 1050 Lisp_Object type = Fcar_safe (error_object); | |
| 1051 Lisp_Object method = Qnil; | |
| 1052 Lisp_Object tail; | |
| 1053 | |
| 1054 /* No need to GCPRO anything under the assumption that ERROR_OBJECT | |
| 1055 is GCPRO'd. */ | |
| 1056 | |
| 1057 if (! (CONSP (error_object) && SYMBOLP (type) | |
| 1058 && CONSP (Fget (type, Qerror_conditions, Qnil)))) | |
| 1059 goto error_throw; | |
| 1060 | |
| 1061 tail = XCDR (error_object); | |
| 1062 while (!NILP (tail)) | |
| 1063 { | |
| 1064 if (CONSP (tail)) | |
| 1065 tail = XCDR (tail); | |
| 1066 else | |
| 1067 goto error_throw; | |
| 1068 } | |
| 1069 tail = Fget (type, Qerror_conditions, Qnil); | |
| 1070 while (!NILP (tail)) | |
| 1071 { | |
| 1072 if (!(CONSP (tail) && SYMBOLP (XCAR (tail)))) | |
| 1073 goto error_throw; | |
| 1074 else if (!NILP (Fget (XCAR (tail), Qdisplay_error, Qnil))) | |
| 1075 { | |
| 1076 method = Fget (XCAR (tail), Qdisplay_error, Qnil); | |
| 1077 goto error_throw; | |
| 1078 } | |
| 1079 else | |
| 1080 tail = XCDR (tail); | |
| 1081 } | |
| 1082 /* Default method */ | |
| 1083 { | |
| 1084 int first = 1; | |
| 1085 int speccount = specpdl_depth (); | |
| 438 | 1086 Lisp_Object frame = Qnil; |
| 1087 struct gcpro gcpro1; | |
| 1088 GCPRO1 (stream); | |
| 428 | 1089 |
| 1090 specbind (Qprint_message_label, Qerror); | |
| 438 | 1091 stream = print_prepare (stream, &frame); |
| 1092 | |
| 428 | 1093 tail = Fcdr (error_object); |
| 1094 if (EQ (type, Qerror)) | |
| 1095 { | |
| 1096 print_internal (Fcar (tail), stream, 0); | |
| 1097 tail = Fcdr (tail); | |
| 1098 } | |
| 1099 else | |
| 1100 { | |
| 1101 Lisp_Object errmsg = Fget (type, Qerror_message, Qnil); | |
| 1102 if (NILP (errmsg)) | |
| 1103 print_internal (type, stream, 0); | |
| 1104 else | |
| 1105 print_internal (LISP_GETTEXT (errmsg), stream, 0); | |
| 1106 } | |
| 1107 while (!NILP (tail)) | |
| 1108 { | |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4880
diff
changeset
|
1109 write_ascstring (stream, first ? ": " : ", "); |
| 563 | 1110 /* Most errors have an explanatory string as their first argument, |
| 1111 and it looks better not to put the quotes around it. */ | |
| 1112 print_internal (Fcar (tail), stream, | |
| 1113 !(first && STRINGP (Fcar (tail))) || | |
| 1114 !NILP (Fget (type, Qerror_lacks_explanatory_string, | |
| 1115 Qnil))); | |
| 428 | 1116 tail = Fcdr (tail); |
| 1117 first = 0; | |
| 1118 } | |
| 438 | 1119 print_finish (stream, frame); |
| 1120 UNGCPRO; | |
| 771 | 1121 unbind_to (speccount); |
| 428 | 1122 return; |
| 1123 /* not reached */ | |
| 1124 } | |
| 1125 | |
| 1126 error_throw: | |
| 1127 if (NILP (method)) | |
| 1128 { | |
|
4952
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Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
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diff
changeset
|
1129 write_ascstring (stream, GETTEXT ("Peculiar error ")); |
| 428 | 1130 print_internal (error_object, stream, 1); |
| 1131 return; | |
| 1132 } | |
| 1133 else | |
| 1134 { | |
| 1135 call2 (method, error_object, stream); | |
| 1136 } | |
| 1137 } | |
| 1138 | |
| 1139 DEFUN ("error-message-string", Ferror_message_string, 1, 1, 0, /* | |
| 1140 Convert ERROR-OBJECT to an error message, and return it. | |
| 1141 | |
| 1142 The format of ERROR-OBJECT should be (ERROR-SYMBOL . DATA). The | |
| 1143 message is equivalent to the one that would be issued by | |
| 1144 `display-error' with the same argument. | |
| 1145 */ | |
| 1146 (error_object)) | |
| 1147 { | |
| 1148 /* This function can GC */ | |
| 1149 Lisp_Object result = Qnil; | |
| 1150 Lisp_Object stream = make_resizing_buffer_output_stream (); | |
| 1151 struct gcpro gcpro1; | |
| 1152 GCPRO1 (stream); | |
| 1153 | |
| 1154 print_error_message (error_object, stream); | |
| 1155 Lstream_flush (XLSTREAM (stream)); | |
| 1156 result = make_string (resizing_buffer_stream_ptr (XLSTREAM (stream)), | |
| 1157 Lstream_byte_count (XLSTREAM (stream))); | |
| 1158 Lstream_delete (XLSTREAM (stream)); | |
| 1159 | |
| 1160 UNGCPRO; | |
| 1161 return result; | |
| 1162 } | |
| 1163 | |
| 1164 DEFUN ("display-error", Fdisplay_error, 2, 2, 0, /* | |
| 1165 Display ERROR-OBJECT on STREAM in a user-friendly way. | |
| 1166 */ | |
| 1167 (error_object, stream)) | |
| 1168 { | |
| 1169 /* This function can GC */ | |
| 1170 print_error_message (error_object, canonicalize_printcharfun (stream)); | |
| 1171 return Qnil; | |
| 1172 } | |
| 1173 | |
| 1174 | |
| 1175 Lisp_Object Vfloat_output_format; | |
| 1176 | |
| 1177 /* | |
| 1178 * This buffer should be at least as large as the max string size of the | |
| 440 | 1179 * largest float, printed in the biggest notation. This is undoubtedly |
| 428 | 1180 * 20d float_output_format, with the negative of the C-constant "HUGE" |
| 1181 * from <math.h>. | |
| 1182 * | |
| 1183 * On the vax the worst case is -1e38 in 20d format which takes 61 bytes. | |
| 1184 * | |
| 1185 * I assume that IEEE-754 format numbers can take 329 bytes for the worst | |
| 1186 * case of -1e307 in 20d float_output_format. What is one to do (short of | |
| 1187 * re-writing _doprnt to be more sane)? | |
| 1188 * -wsr | |
| 1189 */ | |
| 1190 void | |
| 1191 float_to_string (char *buf, double data) | |
| 1192 { | |
| 867 | 1193 Ibyte *cp, c; |
| 428 | 1194 int width; |
| 1195 | |
| 1196 if (NILP (Vfloat_output_format) | |
| 1197 || !STRINGP (Vfloat_output_format)) | |
| 1198 lose: | |
| 1199 sprintf (buf, "%.16g", data); | |
| 1200 else /* oink oink */ | |
| 1201 { | |
| 1202 /* Check that the spec we have is fully valid. | |
| 1203 This means not only valid for printf, | |
| 1204 but meant for floats, and reasonable. */ | |
| 1205 cp = XSTRING_DATA (Vfloat_output_format); | |
| 1206 | |
| 1207 if (cp[0] != '%') | |
| 1208 goto lose; | |
| 1209 if (cp[1] != '.') | |
| 1210 goto lose; | |
| 1211 | |
| 1212 cp += 2; | |
| 1213 for (width = 0; (c = *cp, isdigit (c)); cp++) | |
| 1214 { | |
| 1215 width *= 10; | |
| 1216 width += c - '0'; | |
| 1217 } | |
| 1218 | |
| 1219 if (*cp != 'e' && *cp != 'f' && *cp != 'g' && *cp != 'E' && *cp != 'G') | |
| 1220 goto lose; | |
| 1221 | |
| 1222 if (width < (int) (*cp != 'e' && *cp != 'E') || width > DBL_DIG) | |
| 1223 goto lose; | |
| 1224 | |
| 1225 if (cp[1] != 0) | |
| 1226 goto lose; | |
| 1227 | |
| 1228 sprintf (buf, (char *) XSTRING_DATA (Vfloat_output_format), | |
| 1229 data); | |
| 1230 } | |
| 1231 | |
| 1232 /* added by jwz: don't allow "1.0" to print as "1"; that destroys | |
| 1233 the read-equivalence of lisp objects. (* x 1) and (* x 1.0) do | |
| 1234 not do the same thing, so it's important that the printed | |
| 1235 representation of that form not be corrupted by the printer. | |
| 1236 */ | |
| 1237 { | |
| 867 | 1238 Ibyte *s = (Ibyte *) buf; /* don't use signed chars here! |
| 428 | 1239 isdigit() can't hack them! */ |
| 1240 if (*s == '-') s++; | |
| 1241 for (; *s; s++) | |
| 1242 /* if there's a non-digit, then there is a decimal point, or | |
| 1243 it's in exponential notation, both of which are ok. */ | |
| 1244 if (!isdigit (*s)) | |
| 1245 goto DONE_LABEL; | |
| 1246 /* otherwise, we need to hack it. */ | |
| 1247 *s++ = '.'; | |
| 1248 *s++ = '0'; | |
| 1249 *s = 0; | |
| 1250 } | |
| 1251 DONE_LABEL: | |
| 1252 | |
| 1253 /* Some machines print "0.4" as ".4". I don't like that. */ | |
| 1254 if (buf [0] == '.' || (buf [0] == '-' && buf [1] == '.')) | |
| 1255 { | |
| 1256 int i; | |
| 1257 for (i = strlen (buf) + 1; i >= 0; i--) | |
| 1258 buf [i+1] = buf [i]; | |
| 1259 buf [(buf [0] == '-' ? 1 : 0)] = '0'; | |
| 1260 } | |
| 1261 } | |
| 1262 | |
| 2500 | 1263 #define ONE_DIGIT(figure) *p++ = (char) (n / (figure) + '0') |
| 577 | 1264 #define ONE_DIGIT_ADVANCE(figure) (ONE_DIGIT (figure), n %= (figure)) |
| 1265 | |
| 1266 #define DIGITS_1(figure) ONE_DIGIT (figure) | |
| 1267 #define DIGITS_2(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_1 ((figure) / 10) | |
| 1268 #define DIGITS_3(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_2 ((figure) / 10) | |
| 1269 #define DIGITS_4(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_3 ((figure) / 10) | |
| 1270 #define DIGITS_5(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_4 ((figure) / 10) | |
| 1271 #define DIGITS_6(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_5 ((figure) / 10) | |
| 1272 #define DIGITS_7(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_6 ((figure) / 10) | |
| 1273 #define DIGITS_8(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_7 ((figure) / 10) | |
| 1274 #define DIGITS_9(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_8 ((figure) / 10) | |
| 1275 #define DIGITS_10(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_9 ((figure) / 10) | |
| 1276 | |
| 1277 /* DIGITS_<11-20> are only used on machines with 64-bit longs. */ | |
| 428 | 1278 |
| 577 | 1279 #define DIGITS_11(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_10 ((figure) / 10) |
| 1280 #define DIGITS_12(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_11 ((figure) / 10) | |
| 1281 #define DIGITS_13(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_12 ((figure) / 10) | |
| 1282 #define DIGITS_14(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_13 ((figure) / 10) | |
| 1283 #define DIGITS_15(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_14 ((figure) / 10) | |
| 1284 #define DIGITS_16(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_15 ((figure) / 10) | |
| 1285 #define DIGITS_17(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_16 ((figure) / 10) | |
| 1286 #define DIGITS_18(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_17 ((figure) / 10) | |
| 1287 #define DIGITS_19(figure) ONE_DIGIT_ADVANCE (figure); DIGITS_18 ((figure) / 10) | |
| 1288 | |
| 1289 /* Print NUMBER to BUFFER in base 10. This is completely equivalent | |
| 1290 to `sprintf(buffer, "%ld", number)', only much faster. | |
| 1291 | |
| 1292 The speedup may make a difference in programs that frequently | |
| 1293 convert numbers to strings. Some implementations of sprintf, | |
| 1294 particularly the one in GNU libc, have been known to be extremely | |
| 1295 slow compared to this function. | |
| 1296 | |
| 1297 BUFFER should accept as many bytes as you expect the number to take | |
| 1298 up. On machines with 64-bit longs the maximum needed size is 24 | |
| 1299 bytes. That includes the worst-case digits, the optional `-' sign, | |
| 1300 and the trailing \0. */ | |
| 1301 | |
| 1302 void | |
| 428 | 1303 long_to_string (char *buffer, long number) |
| 1304 { | |
| 577 | 1305 char *p = buffer; |
| 1306 long n = number; | |
| 1307 | |
| 428 | 1308 #if (SIZEOF_LONG != 4) && (SIZEOF_LONG != 8) |
| 577 | 1309 /* We are running in a strange or misconfigured environment. Let |
| 1310 sprintf cope with it. */ | |
| 1311 sprintf (buffer, "%ld", n); | |
| 1312 #else /* (SIZEOF_LONG == 4) || (SIZEOF_LONG == 8) */ | |
| 428 | 1313 |
| 577 | 1314 if (n < 0) |
| 428 | 1315 { |
| 1316 *p++ = '-'; | |
| 577 | 1317 n = -n; |
| 428 | 1318 } |
| 1319 | |
| 577 | 1320 if (n < 10) { DIGITS_1 (1); } |
| 1321 else if (n < 100) { DIGITS_2 (10); } | |
| 1322 else if (n < 1000) { DIGITS_3 (100); } | |
| 1323 else if (n < 10000) { DIGITS_4 (1000); } | |
| 1324 else if (n < 100000) { DIGITS_5 (10000); } | |
| 1325 else if (n < 1000000) { DIGITS_6 (100000); } | |
| 1326 else if (n < 10000000) { DIGITS_7 (1000000); } | |
| 1327 else if (n < 100000000) { DIGITS_8 (10000000); } | |
| 1328 else if (n < 1000000000) { DIGITS_9 (100000000); } | |
| 1329 #if SIZEOF_LONG == 4 | |
| 1330 /* ``if (1)'' serves only to preserve editor indentation. */ | |
| 1331 else if (1) { DIGITS_10 (1000000000); } | |
| 1332 #else /* SIZEOF_LONG != 4 */ | |
| 1333 else if (n < 10000000000L) { DIGITS_10 (1000000000L); } | |
| 1334 else if (n < 100000000000L) { DIGITS_11 (10000000000L); } | |
| 1335 else if (n < 1000000000000L) { DIGITS_12 (100000000000L); } | |
| 1336 else if (n < 10000000000000L) { DIGITS_13 (1000000000000L); } | |
| 1337 else if (n < 100000000000000L) { DIGITS_14 (10000000000000L); } | |
| 1338 else if (n < 1000000000000000L) { DIGITS_15 (100000000000000L); } | |
| 1339 else if (n < 10000000000000000L) { DIGITS_16 (1000000000000000L); } | |
| 1340 else if (n < 100000000000000000L) { DIGITS_17 (10000000000000000L); } | |
| 1341 else if (n < 1000000000000000000L) { DIGITS_18 (100000000000000000L); } | |
| 1342 else { DIGITS_19 (1000000000000000000L); } | |
| 1343 #endif /* SIZEOF_LONG != 4 */ | |
| 1344 | |
| 428 | 1345 *p = '\0'; |
| 1346 #endif /* (SIZEOF_LONG == 4) || (SIZEOF_LONG == 8) */ | |
| 1347 } | |
| 577 | 1348 |
| 1349 #undef ONE_DIGIT | |
| 1350 #undef ONE_DIGIT_ADVANCE | |
| 1351 | |
| 1352 #undef DIGITS_1 | |
| 1353 #undef DIGITS_2 | |
| 1354 #undef DIGITS_3 | |
| 1355 #undef DIGITS_4 | |
| 1356 #undef DIGITS_5 | |
| 1357 #undef DIGITS_6 | |
| 1358 #undef DIGITS_7 | |
| 1359 #undef DIGITS_8 | |
| 1360 #undef DIGITS_9 | |
| 1361 #undef DIGITS_10 | |
| 1362 #undef DIGITS_11 | |
| 1363 #undef DIGITS_12 | |
| 1364 #undef DIGITS_13 | |
| 1365 #undef DIGITS_14 | |
| 1366 #undef DIGITS_15 | |
| 1367 #undef DIGITS_16 | |
| 1368 #undef DIGITS_17 | |
| 1369 #undef DIGITS_18 | |
| 1370 #undef DIGITS_19 | |
| 428 | 1371 |
|
4329
d9eb5ea14f65
Provide %b in #'format; use it for converting between ints and bit vectors.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1372 void |
|
d9eb5ea14f65
Provide %b in #'format; use it for converting between ints and bit vectors.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1373 ulong_to_bit_string (char *p, unsigned long number) |
|
d9eb5ea14f65
Provide %b in #'format; use it for converting between ints and bit vectors.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1374 { |
|
d9eb5ea14f65
Provide %b in #'format; use it for converting between ints and bit vectors.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1375 int i, seen_high_order = 0;; |
|
d9eb5ea14f65
Provide %b in #'format; use it for converting between ints and bit vectors.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1376 |
|
d9eb5ea14f65
Provide %b in #'format; use it for converting between ints and bit vectors.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1377 for (i = ((SIZEOF_LONG * 8) - 1); i >= 0; --i) |
|
d9eb5ea14f65
Provide %b in #'format; use it for converting between ints and bit vectors.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1378 { |
|
d9eb5ea14f65
Provide %b in #'format; use it for converting between ints and bit vectors.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1379 if (number & (unsigned long)1 << i) |
|
d9eb5ea14f65
Provide %b in #'format; use it for converting between ints and bit vectors.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1380 { |
|
d9eb5ea14f65
Provide %b in #'format; use it for converting between ints and bit vectors.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1381 seen_high_order = 1; |
|
d9eb5ea14f65
Provide %b in #'format; use it for converting between ints and bit vectors.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1382 *p++ = '1'; |
|
d9eb5ea14f65
Provide %b in #'format; use it for converting between ints and bit vectors.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1383 } |
|
d9eb5ea14f65
Provide %b in #'format; use it for converting between ints and bit vectors.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1384 else |
|
d9eb5ea14f65
Provide %b in #'format; use it for converting between ints and bit vectors.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1385 { |
|
d9eb5ea14f65
Provide %b in #'format; use it for converting between ints and bit vectors.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1386 if (seen_high_order) |
|
d9eb5ea14f65
Provide %b in #'format; use it for converting between ints and bit vectors.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1387 { |
|
d9eb5ea14f65
Provide %b in #'format; use it for converting between ints and bit vectors.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1388 *p++ = '0'; |
|
d9eb5ea14f65
Provide %b in #'format; use it for converting between ints and bit vectors.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1389 } |
|
d9eb5ea14f65
Provide %b in #'format; use it for converting between ints and bit vectors.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1390 } |
|
d9eb5ea14f65
Provide %b in #'format; use it for converting between ints and bit vectors.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1391 } |
|
5295
2474dce7304e
Make sure (format "%b" 0) is non-zero length, print.c
Aidan Kehoe <kehoea@parhasard.net>
parents:
5243
diff
changeset
|
1392 |
|
2474dce7304e
Make sure (format "%b" 0) is non-zero length, print.c
Aidan Kehoe <kehoea@parhasard.net>
parents:
5243
diff
changeset
|
1393 if (!seen_high_order) |
|
2474dce7304e
Make sure (format "%b" 0) is non-zero length, print.c
Aidan Kehoe <kehoea@parhasard.net>
parents:
5243
diff
changeset
|
1394 { |
|
2474dce7304e
Make sure (format "%b" 0) is non-zero length, print.c
Aidan Kehoe <kehoea@parhasard.net>
parents:
5243
diff
changeset
|
1395 *p++ = '0'; |
|
2474dce7304e
Make sure (format "%b" 0) is non-zero length, print.c
Aidan Kehoe <kehoea@parhasard.net>
parents:
5243
diff
changeset
|
1396 } |
|
2474dce7304e
Make sure (format "%b" 0) is non-zero length, print.c
Aidan Kehoe <kehoea@parhasard.net>
parents:
5243
diff
changeset
|
1397 |
|
4329
d9eb5ea14f65
Provide %b in #'format; use it for converting between ints and bit vectors.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1398 *p = '\0'; |
|
d9eb5ea14f65
Provide %b in #'format; use it for converting between ints and bit vectors.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1399 } |
|
d9eb5ea14f65
Provide %b in #'format; use it for converting between ints and bit vectors.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3263
diff
changeset
|
1400 |
| 428 | 1401 static void |
| 442 | 1402 print_vector_internal (const char *start, const char *end, |
| 428 | 1403 Lisp_Object obj, |
| 1404 Lisp_Object printcharfun, int escapeflag) | |
| 1405 { | |
| 1406 /* This function can GC */ | |
| 1407 int i; | |
| 1408 int len = XVECTOR_LENGTH (obj); | |
| 1409 int last = len; | |
| 1410 struct gcpro gcpro1, gcpro2; | |
| 1411 GCPRO2 (obj, printcharfun); | |
| 1412 | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
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5560
diff
changeset
|
1413 if (FIXNUMP (Vprint_length)) |
| 428 | 1414 { |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5560
diff
changeset
|
1415 int max = XFIXNUM (Vprint_length); |
| 428 | 1416 if (max < len) last = max; |
| 1417 } | |
| 1418 | |
|
4953
304aebb79cd3
function renamings to track names of char typedefs
Ben Wing <ben@xemacs.org>
parents:
4952
diff
changeset
|
1419 write_cistring (printcharfun, start); |
| 428 | 1420 for (i = 0; i < last; i++) |
| 1421 { | |
| 1422 Lisp_Object elt = XVECTOR_DATA (obj)[i]; | |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4880
diff
changeset
|
1423 if (i != 0) write_ascstring (printcharfun, " "); |
| 428 | 1424 print_internal (elt, printcharfun, escapeflag); |
| 1425 } | |
| 1426 UNGCPRO; | |
| 1427 if (last != len) | |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4880
diff
changeset
|
1428 write_ascstring (printcharfun, " ..."); |
|
4953
304aebb79cd3
function renamings to track names of char typedefs
Ben Wing <ben@xemacs.org>
parents:
4952
diff
changeset
|
1429 write_cistring (printcharfun, end); |
| 428 | 1430 } |
| 1431 | |
| 1432 void | |
| 1433 print_cons (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag) | |
| 1434 { | |
| 1435 /* This function can GC */ | |
| 1436 struct gcpro gcpro1, gcpro2; | |
| 1437 | |
| 1438 /* If print_readably is on, print (quote -foo-) as '-foo- | |
| 1439 (Yeah, this should really be what print-pretty does, but we | |
| 1440 don't have the rest of a pretty printer, and this actually | |
| 1441 has non-negligible impact on size/speed of .elc files.) | |
| 1442 */ | |
| 1443 if (print_readably && | |
| 1444 EQ (XCAR (obj), Qquote) && | |
| 1445 CONSP (XCDR (obj)) && | |
| 1446 NILP (XCDR (XCDR (obj)))) | |
| 1447 { | |
| 1448 obj = XCAR (XCDR (obj)); | |
| 1449 GCPRO2 (obj, printcharfun); | |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
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4880
diff
changeset
|
1450 write_ascstring (printcharfun, "\'"); |
| 428 | 1451 UNGCPRO; |
| 1452 print_internal (obj, printcharfun, escapeflag); | |
| 1453 return; | |
| 1454 } | |
| 1455 | |
| 1456 GCPRO2 (obj, printcharfun); | |
|
4952
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Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4880
diff
changeset
|
1457 write_ascstring (printcharfun, "("); |
| 428 | 1458 |
| 1459 { | |
| 1460 int len; | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5560
diff
changeset
|
1461 int max = FIXNUMP (Vprint_length) ? XFIXNUM (Vprint_length) : INT_MAX; |
| 428 | 1462 Lisp_Object tortoise; |
| 1463 /* Use tortoise/hare to make sure circular lists don't infloop */ | |
| 1464 | |
| 1465 for (tortoise = obj, len = 0; | |
| 1466 CONSP (obj); | |
| 1467 obj = XCDR (obj), len++) | |
| 1468 { | |
| 1469 if (len > 0) | |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1470 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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diff
changeset
|
1471 write_ascstring (printcharfun, " "); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1472 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1473 /* Note that print_cons is the only object method that does any |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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5420
diff
changeset
|
1474 circularity checking itself, because a cons that is the cdr |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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parents:
5420
diff
changeset
|
1475 of OBJ is not handed to print_internal in the ordinary course |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1476 of events. All the other possibly-repeated structures always |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1477 hand sub-objects to print_internal(). */ |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1478 if (print_circle && |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5560
diff
changeset
|
1479 FIXNUMP (Fgethash (obj, Vprint_number_table, Qnil))) |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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parents:
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diff
changeset
|
1480 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
1481 write_ascstring (printcharfun, ". "); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1482 print_internal (obj, printcharfun, escapeflag); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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5420
diff
changeset
|
1483 /* We have printed the list's tail, print_cons() is done. */ |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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5420
diff
changeset
|
1484 break; |
|
58b38d5b32d0
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diff
changeset
|
1485 } |
|
58b38d5b32d0
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diff
changeset
|
1486 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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diff
changeset
|
1487 if (EQ (obj, tortoise)) |
|
58b38d5b32d0
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Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1488 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
1489 if (print_readably) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1490 { |
|
58b38d5b32d0
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Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1491 printing_unreadable_object_fmt ("circular list"); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1492 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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5420
diff
changeset
|
1493 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
1494 write_ascstring (printcharfun, "... <circular list>"); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1495 break; |
|
58b38d5b32d0
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changeset
|
1496 } |
|
58b38d5b32d0
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Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
1497 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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changeset
|
1498 if (len & 1) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
1499 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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changeset
|
1500 tortoise = XCDR (tortoise); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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diff
changeset
|
1501 } |
|
58b38d5b32d0
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Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
1502 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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parents:
5420
diff
changeset
|
1503 if (len > max) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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5420
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changeset
|
1504 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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5420
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changeset
|
1505 write_ascstring (printcharfun, "..."); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1506 break; |
|
58b38d5b32d0
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parents:
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changeset
|
1507 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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changeset
|
1508 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
1509 |
| 428 | 1510 print_internal (XCAR (obj), printcharfun, escapeflag); |
| 1511 } | |
| 1512 } | |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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changeset
|
1513 |
| 428 | 1514 if (!LISTP (obj)) |
| 1515 { | |
|
4952
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Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
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diff
changeset
|
1516 write_ascstring (printcharfun, " . "); |
| 428 | 1517 print_internal (obj, printcharfun, escapeflag); |
| 1518 } | |
|
5560
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|
1519 |
| 428 | 1520 UNGCPRO; |
| 1521 | |
|
4952
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Mule-izing, various fixes related to char * arguments
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changeset
|
1522 write_ascstring (printcharfun, ")"); |
| 428 | 1523 return; |
| 1524 } | |
| 1525 | |
| 1526 void | |
| 1527 print_vector (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag) | |
| 1528 { | |
| 1529 print_vector_internal ("[", "]", obj, printcharfun, escapeflag); | |
| 1530 } | |
| 1531 | |
| 1532 void | |
| 1533 print_string (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag) | |
| 1534 { | |
| 1535 /* We distinguish between Bytecounts and Charcounts, to make | |
| 1536 Vprint_string_length work correctly under Mule. */ | |
| 826 | 1537 Charcount size = string_char_length (obj); |
| 428 | 1538 Charcount max = size; |
| 793 | 1539 Bytecount bcmax = XSTRING_LENGTH (obj); |
| 428 | 1540 struct gcpro gcpro1, gcpro2; |
| 1541 GCPRO2 (obj, printcharfun); | |
| 1542 | |
|
5581
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Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
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5560
diff
changeset
|
1543 if (FIXNUMP (Vprint_string_length) && |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5560
diff
changeset
|
1544 XFIXNUM (Vprint_string_length) < max) |
| 428 | 1545 { |
|
5581
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Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5560
diff
changeset
|
1546 max = XFIXNUM (Vprint_string_length); |
| 793 | 1547 bcmax = string_index_char_to_byte (obj, max); |
| 428 | 1548 } |
| 1549 if (max < 0) | |
| 1550 { | |
| 1551 max = 0; | |
| 1552 bcmax = 0; | |
| 1553 } | |
| 1554 | |
| 1555 if (!escapeflag) | |
| 1556 { | |
| 1557 /* This deals with GC-relocation and Mule. */ | |
| 1558 output_string (printcharfun, 0, obj, 0, bcmax); | |
| 1559 if (max < size) | |
|
4952
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Mule-izing, various fixes related to char * arguments
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diff
changeset
|
1560 write_ascstring (printcharfun, " ..."); |
| 428 | 1561 } |
| 1562 else | |
| 1563 { | |
| 1564 Bytecount i, last = 0; | |
| 1565 | |
|
4952
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Mule-izing, various fixes related to char * arguments
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diff
changeset
|
1566 write_ascstring (printcharfun, "\""); |
| 428 | 1567 for (i = 0; i < bcmax; i++) |
| 1568 { | |
| 867 | 1569 Ibyte ch = string_byte (obj, i); |
| 428 | 1570 if (ch == '\"' || ch == '\\' |
| 1571 || (ch == '\n' && print_escape_newlines)) | |
| 1572 { | |
| 1573 if (i > last) | |
| 1574 { | |
| 1575 output_string (printcharfun, 0, obj, last, | |
| 1576 i - last); | |
| 1577 } | |
| 1578 if (ch == '\n') | |
| 1579 { | |
|
4952
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Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
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diff
changeset
|
1580 write_ascstring (printcharfun, "\\n"); |
| 428 | 1581 } |
| 1582 else | |
| 1583 { | |
| 867 | 1584 Ibyte temp[2]; |
|
4952
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Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
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diff
changeset
|
1585 write_ascstring (printcharfun, "\\"); |
| 428 | 1586 /* This is correct for Mule because the |
| 1587 character is either \ or " */ | |
| 826 | 1588 temp[0] = string_byte (obj, i); |
| 1589 temp[1] = '\0'; | |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
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diff
changeset
|
1590 write_istring (printcharfun, temp); |
| 428 | 1591 } |
| 1592 last = i + 1; | |
| 1593 } | |
| 1594 } | |
| 1595 if (bcmax > last) | |
| 1596 { | |
| 1597 output_string (printcharfun, 0, obj, last, | |
| 1598 bcmax - last); | |
| 1599 } | |
| 1600 if (max < size) | |
|
4952
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Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
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changeset
|
1601 write_ascstring (printcharfun, " ..."); |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
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diff
changeset
|
1602 write_ascstring (printcharfun, "\""); |
| 428 | 1603 } |
| 1604 UNGCPRO; | |
| 1605 } | |
| 1606 | |
| 4846 | 1607 DOESNT_RETURN |
|
5142
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reduce lcrecord headers to 2 words, rename printing_unreadable_object
Ben Wing <ben@xemacs.org>
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changeset
|
1608 printing_unreadable_object_fmt (const Ascbyte *fmt, ...) |
| 4846 | 1609 { |
| 1610 Lisp_Object obj; | |
| 1611 va_list args; | |
| 1612 | |
| 1613 va_start (args, fmt); | |
|
4952
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Mule-izing, various fixes related to char * arguments
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changeset
|
1614 obj = emacs_vsprintf_string (GETTEXT (fmt), args); |
| 4846 | 1615 va_end (args); |
| 1616 | |
| 1617 /* Fsignal GC-protects its args */ | |
| 1618 signal_error (Qprinting_unreadable_object, 0, obj); | |
| 1619 } | |
| 1620 | |
| 1621 DOESNT_RETURN | |
|
5142
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changeset
|
1622 printing_unreadable_lisp_object (Lisp_Object obj, const Ibyte *name) |
| 428 | 1623 { |
|
5142
f965e31a35f0
reduce lcrecord headers to 2 words, rename printing_unreadable_object
Ben Wing <ben@xemacs.org>
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diff
changeset
|
1624 struct lrecord_header *header = (struct lrecord_header *) XPNTR (obj); |
|
5127
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more cleanups, terminology clarification, lots of doc work
Ben Wing <ben@xemacs.org>
parents:
5125
diff
changeset
|
1625 const struct lrecord_implementation *imp = |
|
a9c41067dd88
more cleanups, terminology clarification, lots of doc work
Ben Wing <ben@xemacs.org>
parents:
5125
diff
changeset
|
1626 XRECORD_LHEADER_IMPLEMENTATION (obj); |
| 428 | 1627 |
| 4846 | 1628 if (name) |
|
5142
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Ben Wing <ben@xemacs.org>
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changeset
|
1629 printing_unreadable_object_fmt ("#<%s %s 0x%x>", imp->name, name, header->uid); |
| 4846 | 1630 else |
|
5142
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changeset
|
1631 printing_unreadable_object_fmt ("#<%s 0x%x>", imp->name, header->uid); |
| 4846 | 1632 } |
| 1633 | |
| 1634 void | |
|
5117
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Checking in final CVS version of workspace 'ben-lisp-object'
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3063
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changeset
|
1635 external_object_printer (Lisp_Object obj, Lisp_Object printcharfun, |
|
3742ea8250b5
Checking in final CVS version of workspace 'ben-lisp-object'
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changeset
|
1636 int UNUSED (escapeflag)) |
| 4846 | 1637 { |
|
5142
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Ben Wing <ben@xemacs.org>
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changeset
|
1638 struct lrecord_header *header = (struct lrecord_header *) XPNTR (obj); |
|
5127
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more cleanups, terminology clarification, lots of doc work
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changeset
|
1639 const struct lrecord_implementation *imp = |
|
a9c41067dd88
more cleanups, terminology clarification, lots of doc work
Ben Wing <ben@xemacs.org>
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changeset
|
1640 XRECORD_LHEADER_IMPLEMENTATION (obj); |
| 4846 | 1641 |
| 1642 if (print_readably) | |
|
5142
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changeset
|
1643 printing_unreadable_lisp_object (obj, 0); |
| 428 | 1644 |
|
5127
a9c41067dd88
more cleanups, terminology clarification, lots of doc work
Ben Wing <ben@xemacs.org>
parents:
5125
diff
changeset
|
1645 write_fmt_string (printcharfun, "#<%s 0x%x>", imp->name, header->uid); |
| 428 | 1646 } |
| 1647 | |
| 1648 void | |
| 1649 internal_object_printer (Lisp_Object obj, Lisp_Object printcharfun, | |
| 2286 | 1650 int UNUSED (escapeflag)) |
| 428 | 1651 { |
|
5117
3742ea8250b5
Checking in final CVS version of workspace 'ben-lisp-object'
Ben Wing <ben@xemacs.org>
parents:
3063
diff
changeset
|
1652 if (print_readably) |
|
5142
f965e31a35f0
reduce lcrecord headers to 2 words, rename printing_unreadable_object
Ben Wing <ben@xemacs.org>
parents:
5127
diff
changeset
|
1653 printing_unreadable_object_fmt |
|
5146
88bd4f3ef8e4
make lrecord UID's have a separate UID space for each object, resurrect debug SOE code in extents.c
Ben Wing <ben@xemacs.org>
parents:
5142
diff
changeset
|
1654 ("#<INTERNAL OBJECT (XEmacs bug?) (%s) 0x%x>", |
|
88bd4f3ef8e4
make lrecord UID's have a separate UID space for each object, resurrect debug SOE code in extents.c
Ben Wing <ben@xemacs.org>
parents:
5142
diff
changeset
|
1655 XRECORD_LHEADER_IMPLEMENTATION (obj)->name, LISP_OBJECT_UID (obj)); |
|
5117
3742ea8250b5
Checking in final CVS version of workspace 'ben-lisp-object'
Ben Wing <ben@xemacs.org>
parents:
3063
diff
changeset
|
1656 |
|
4847
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
1657 /* Internal objects shouldn't normally escape to the Lisp level; |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
1658 that's why we say "XEmacs bug?". This can happen, however, when |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
1659 printing backtraces. */ |
| 800 | 1660 write_fmt_string (printcharfun, |
|
5146
88bd4f3ef8e4
make lrecord UID's have a separate UID space for each object, resurrect debug SOE code in extents.c
Ben Wing <ben@xemacs.org>
parents:
5142
diff
changeset
|
1661 "#<INTERNAL OBJECT (XEmacs bug?) (%s) 0x%x>", |
| 800 | 1662 XRECORD_LHEADER_IMPLEMENTATION (obj)->name, |
|
5146
88bd4f3ef8e4
make lrecord UID's have a separate UID space for each object, resurrect debug SOE code in extents.c
Ben Wing <ben@xemacs.org>
parents:
5142
diff
changeset
|
1663 LISP_OBJECT_UID (obj)); |
| 428 | 1664 } |
| 1665 | |
| 1204 | 1666 enum printing_badness |
| 1667 { | |
| 1668 BADNESS_INTEGER_OBJECT, | |
| 1669 BADNESS_POINTER_OBJECT, | |
|
4847
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
1670 BADNESS_POINTER_OBJECT_WITH_DATA, |
| 1204 | 1671 BADNESS_NO_TYPE |
| 1672 }; | |
| 1673 | |
| 1674 static void | |
| 1675 printing_major_badness (Lisp_Object printcharfun, | |
|
4528
726060ee587c
First draft of g++ 4.3 warning removal patch. Builds. *Needs ChangeLogs.*
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4522
diff
changeset
|
1676 const Ascbyte *badness_string, int type, void *val, |
|
4847
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
1677 void *val2, enum printing_badness badness) |
| 1204 | 1678 { |
| 1679 Ibyte buf[666]; | |
| 1680 | |
| 1681 switch (badness) | |
| 1682 { | |
| 1683 case BADNESS_INTEGER_OBJECT: | |
|
4847
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
1684 qxesprintf (buf, "%s type %d object %ld", badness_string, type, |
| 1204 | 1685 (EMACS_INT) val); |
| 1686 break; | |
| 1687 | |
| 1688 case BADNESS_POINTER_OBJECT: | |
|
4847
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
1689 qxesprintf (buf, "%s type %d object %p", badness_string, type, val); |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
1690 break; |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
1691 |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
1692 case BADNESS_POINTER_OBJECT_WITH_DATA: |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
1693 qxesprintf (buf, "%s type %d object %p data %p", badness_string, type, |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
1694 val, val2); |
| 1204 | 1695 break; |
| 1696 | |
| 1697 case BADNESS_NO_TYPE: | |
| 1698 qxesprintf (buf, "%s object %p", badness_string, val); | |
| 1699 break; | |
| 1700 } | |
| 1701 | |
| 1702 /* Don't abort or signal if called from debug_print() or already | |
| 1703 crashing */ | |
| 2367 | 1704 if (!inhibit_non_essential_conversion_operations) |
| 1204 | 1705 { |
| 1706 #ifdef ERROR_CHECK_TYPES | |
| 2500 | 1707 ABORT (); |
| 1204 | 1708 #else /* not ERROR_CHECK_TYPES */ |
| 1709 if (print_readably) | |
|
4847
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
1710 signal_ferror (Qinternal_error, "SERIOUS XEMACS BUG: printing %s; " |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
1711 "save your buffers immediately and please report " |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
1712 "this bug", buf); |
| 1204 | 1713 #endif /* not ERROR_CHECK_TYPES */ |
| 1714 } | |
| 1715 write_fmt_string (printcharfun, | |
|
4847
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
1716 "#<SERIOUS XEMACS BUG: %s Save your buffers immediately " |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
1717 "and please report this bug>", buf); |
| 1204 | 1718 } |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1719 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1720 /* Not static only because of print_preprocess_cons. */ |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1721 Elemcount print_preprocess_inchash_eq (Lisp_Object, Lisp_Object, Elemcount *); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1722 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1723 Elemcount |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1724 print_preprocess_inchash_eq (Lisp_Object obj, Lisp_Object table, |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1725 Elemcount *seen_object_count) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1726 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1727 htentry *hte = inchash_eq (obj, table, 1); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1728 Elemcount extracted; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1729 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1730 /* If the hash table had to be resized, hte is NULL. */ |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1731 if (hte == NULL) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1732 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1733 hte = find_htentry (obj, XHASH_TABLE (table)); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1734 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1735 |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5560
diff
changeset
|
1736 extracted = XFIXNUM (hte->value); |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1737 if (1 == extracted) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1738 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1739 *seen_object_count += 1; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1740 hte->value |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5560
diff
changeset
|
1741 = make_fixnum (1 | (*seen_object_count << PRINT_NUMBER_ORDINAL_SHIFT)); |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1742 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1743 else if ((extracted & PRINT_NUMBER_SEEN_MASK) == PRINT_NUMBER_SEEN_MASK) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1744 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1745 /* Avoid the number overflowing the bit field. */ |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1746 extracted = (extracted & ~PRINT_NUMBER_SEEN_MASK) | 2; |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5560
diff
changeset
|
1747 hte->value = make_fixnum (extracted); |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1748 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1749 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1750 return extracted & PRINT_NUMBER_SEEN_MASK; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1751 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1752 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1753 /* Fill in Vprint_number_table according to the structure of OBJ. OBJ itself |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1754 and all its elements will be added to Vprint_number_table recursively if |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1755 its type has the print_preprocess method implemented. Objects with the |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1756 print_preprocess method implemented include cons, vector, compiled |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1757 function, hash table, char table, range table, and symbol. Symbol is an |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1758 exceptional type in that it is impossible to construct a recursive symbol |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1759 structure, but is here for the print-gensym feature. */ |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1760 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1761 void |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1762 print_preprocess (Lisp_Object object, Lisp_Object print_number_table, |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1763 Elemcount *seen_object_count) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1764 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1765 if (!LRECORDP (object) || !HAS_OBJECT_METH_P (object, print_preprocess)) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1766 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1767 return; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1768 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1769 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1770 if (SYMBOLP (object) && IN_OBARRAY (object)) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1771 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1772 /* Handle symbols specially. We do this here rather than in symbols.c |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1773 because we don't want to have all the other print_preprocess methods |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1774 worry about print_preprocess_inchash_eq. */ |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1775 return; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1776 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1777 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1778 if (print_preprocess_inchash_eq (object, print_number_table, |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1779 seen_object_count) > 1) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1780 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1781 return; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1782 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1783 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1784 OBJECT_METH (object, print_preprocess, (object, print_number_table, |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1785 seen_object_count)); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1786 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1787 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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|
1788 typedef struct { Lisp_Object key; Elemcount count; } preprocess_sort_t; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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|
1789 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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changeset
|
1790 static int |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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|
1791 print_seen_once (Lisp_Object UNUSED (key), Lisp_Object value, |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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|
1792 void * UNUSED (extra_arg)) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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|
1793 { |
|
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Mechanically change INT to FIXNUM in our sources.
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|
1794 return 1 == ((XFIXNUM (value) & PRINT_NUMBER_SEEN_MASK)); |
|
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58b38d5b32d0
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|
1795 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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|
1796 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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changeset
|
1797 static int |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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|
1798 print_nonsymbol_seen_once (Lisp_Object key, Lisp_Object value, |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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changeset
|
1799 void * UNUSED (extra_arg)) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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|
1800 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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changeset
|
1801 /* print_continuous_numbering is used for symbols, so we don't delete them |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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|
1802 from the print info hash table. It's less useful for other objects at |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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parents:
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changeset
|
1803 the moment, though. */ |
|
5581
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Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
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|
1804 return !SYMBOLP (key) && (1 == ((XFIXNUM (value) & PRINT_NUMBER_SEEN_MASK))); |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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changeset
|
1805 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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changeset
|
1806 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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changeset
|
1807 static int |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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|
1808 print_sort_get_numbers (Lisp_Object key, Lisp_Object value, void *extra_arg) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
1809 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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changeset
|
1810 preprocess_sort_t **preprocess_sort_ptr = (preprocess_sort_t **) extra_arg; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
1811 preprocess_sort_t *preprocess_sort = *preprocess_sort_ptr; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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changeset
|
1812 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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changeset
|
1813 *preprocess_sort_ptr += 1; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
1814 preprocess_sort->key = key; |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
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|
1815 preprocess_sort->count = XFIXNUM (value); |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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|
1816 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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|
1817 return 0; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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|
1818 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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changeset
|
1819 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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|
1820 static int |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
1821 print_sort_compare_ordinals (const void *object1, const void *object2) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
1822 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
1823 Elemcount a = ((preprocess_sort_t *) object1)->count |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
1824 & PRINT_NUMBER_ORDINAL_MASK; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
1825 Elemcount b = ((preprocess_sort_t *) object2)->count |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
1826 & PRINT_NUMBER_ORDINAL_MASK; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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changeset
|
1827 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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changeset
|
1828 return a - b; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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changeset
|
1829 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1830 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
1831 enum print_gensym_status |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
1832 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
1833 PRINT_GENSYM_DONE, |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1834 PRINT_GENSYM_PRINT, |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1835 PRINT_GENSYM_PRINT_AND_CLEANUP_TABLE, |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1836 }; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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changeset
|
1837 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
1838 /* Check for any circular objects or repeated uninterned symbols. |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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changeset
|
1839 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1840 If OBJ is a repeated structure (or symbol) and it has been printed |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1841 already, print it now in the #%d# format, and return 1, to indicate |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1842 print_internal is done. |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
1843 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
1844 If OBJ is a repeated structure and it has not yet been printed, print |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1845 #%d= before the object, mark it as printed, and return zero, to indicate |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1846 print_internal should continue as usual. |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
1847 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1848 If OBJ is not a repeated structure, do nothing, and return zero, to |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1849 indicate print_internal should continue as usual. */ |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1850 static enum print_gensym_status |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1851 print_gensym_or_circle (Lisp_Object obj, Lisp_Object printcharfun) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
1852 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1853 Lisp_Object seen = Fgethash (obj, Vprint_number_table, Qnil); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1854 if (NILP (seen)) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1855 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1856 Elemcount old_print_number_index = print_number_index; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1857 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1858 print_preprocess (obj, Vprint_number_table, &print_number_index); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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changeset
|
1859 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
1860 if (old_print_number_index != print_number_index) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1861 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1862 Elemcount new_print_number_index, ii; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
1863 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
1864 /* We support up to 25 bits' worth of repeated objects, which is |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1865 33 million or so, far more than we support in, say, a |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1866 compiled-function constants vector. */ |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1867 assert (print_number_index <= |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
1868 (PRINT_NUMBER_ORDINAL_MASK >> PRINT_NUMBER_ORDINAL_SHIFT)); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
1869 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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diff
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|
1870 /* If any objects have been seen once and once only, remove them |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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|
1871 from Vprint_number_table. This is a bit of an arbitrary |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
1872 decision; we could keep them around for the sake of |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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|
1873 print_continuous_numbering, but there's the reasonable worry |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
1874 about Vprint_number_table getting awkwardly large. */ |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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|
1875 elisp_map_remhash (print_continuous_numbering ? |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
1876 print_nonsymbol_seen_once : print_seen_once, |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
1877 Vprint_number_table, NULL); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
1878 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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changeset
|
1879 new_print_number_index |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
1880 = XFIXNUM (Fhash_table_count (Vprint_number_table)); |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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|
1881 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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|
1882 if (new_print_number_index != print_number_index |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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|
1883 && new_print_number_index != old_print_number_index) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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changeset
|
1884 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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changeset
|
1885 preprocess_sort_t *preprocess_sort |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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|
1886 = alloca_array (preprocess_sort_t, new_print_number_index); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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changeset
|
1887 preprocess_sort_t *preprocess_sort_ptr = preprocess_sort; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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|
1888 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1889 /* There are new objects in Vprint_number_table, but their |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1890 ordinal values don't necessarily represent the order they |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1891 were seen in, there will be gaps corresponding to the |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1892 non-symbols that were seen only once. Correct this. */ |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1893 elisp_maphash_unsafe (print_sort_get_numbers, Vprint_number_table, |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1894 &preprocess_sort_ptr); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1895 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1896 qsort (preprocess_sort, new_print_number_index, |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1897 sizeof (preprocess_sort_t), print_sort_compare_ordinals); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1898 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1899 for (ii = old_print_number_index; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1900 ii < new_print_number_index; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1901 ii++) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1902 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1903 Fputhash (preprocess_sort[ii].key, |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5560
diff
changeset
|
1904 make_fixnum ((preprocess_sort[ii].count |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1905 & ~PRINT_NUMBER_ORDINAL_MASK) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1906 | ((ii + 1) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1907 << PRINT_NUMBER_ORDINAL_SHIFT)), |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1908 Vprint_number_table); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1909 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1910 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1911 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1912 print_number_index = new_print_number_index; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1913 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1914 /* The new objects may include OBJ; update SEEN to reflect |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1915 this. */ |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1916 seen = Fgethash (obj, Vprint_number_table, Qnil); |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5560
diff
changeset
|
1917 if (FIXNUMP (seen)) |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1918 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1919 goto prefix_this; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1920 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1921 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1922 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1923 else |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1924 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1925 prefix_this: |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5560
diff
changeset
|
1926 if ((XFIXNUM (seen) & PRINT_NUMBER_SEEN_MASK) == 1 |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1927 && !(print_continuous_numbering && SYMBOLP (obj))) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1928 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1929 return PRINT_GENSYM_PRINT_AND_CLEANUP_TABLE; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1930 } |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5560
diff
changeset
|
1931 else if (XFIXNUM (seen) & PRINT_NUMBER_PRINTED_MASK) |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1932 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1933 write_fmt_string (printcharfun, "#%d#", |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5560
diff
changeset
|
1934 (XFIXNUM (seen) & PRINT_NUMBER_ORDINAL_MASK) |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1935 >> PRINT_NUMBER_ORDINAL_SHIFT); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1936 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1937 /* We're finished printing this object. */ |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1938 return PRINT_GENSYM_DONE; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1939 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1940 else |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1941 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1942 write_fmt_string (printcharfun, "#%d=", |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5560
diff
changeset
|
1943 (XFIXNUM (seen) & PRINT_NUMBER_ORDINAL_MASK) |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1944 >> PRINT_NUMBER_ORDINAL_SHIFT); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1945 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1946 /* We set PRINT_NUMBER_PRINTED_MASK immediately here, so the |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1947 object itself is written as #%d# when printing its contents. */ |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5560
diff
changeset
|
1948 Fputhash (obj, make_fixnum (XFIXNUM (seen) | PRINT_NUMBER_PRINTED_MASK), |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1949 Vprint_number_table); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1950 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1951 /* This is the first time the object has been seen while |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1952 printing the recursive object; we still have to go ahead |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1953 and do the actual print. */ |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1954 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1955 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1956 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1957 return PRINT_GENSYM_PRINT; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1958 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1959 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1960 Lisp_Object |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1961 nsubst_structures_descend (Lisp_Object new_, Lisp_Object old, |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1962 Lisp_Object tree, |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1963 Lisp_Object number_table, Boolint test_not_unboundp) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1964 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1965 Lisp_Object seen; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1966 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1967 if (!LRECORDP (tree) || !HAS_OBJECT_METH_P (tree, nsubst_structures_descend)) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1968 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1969 return tree; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1970 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1971 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1972 seen = Fgethash (tree, number_table, Qnil); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1973 |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5560
diff
changeset
|
1974 if (FIXNUMP (seen)) |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1975 { |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5560
diff
changeset
|
1976 if (XFIXNUM (seen) & PRINT_NUMBER_PRINTED_MASK) |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1977 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1978 return tree; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1979 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1980 |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5560
diff
changeset
|
1981 Fputhash (tree, make_fixnum (XFIXNUM (seen) | PRINT_NUMBER_PRINTED_MASK), |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1982 number_table); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1983 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1984 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1985 OBJECT_METH (tree, nsubst_structures_descend, |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1986 (new_, old, tree, number_table, test_not_unboundp)); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1987 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1988 return tree; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1989 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1990 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1991 /* Descend TREE, replacing the Lisp object OLD each time it is encountered |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
1992 with the Lisp object NEW_. TREE can be recursive or circular, and this is |
|
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1993 handled correctly. */ |
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1994 Lisp_Object |
|
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1995 nsubst_structures (Lisp_Object new_, Lisp_Object old, Lisp_Object tree, |
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1996 check_test_func_t check_test, Boolint test_not_unboundp, |
|
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1997 Lisp_Object UNUSED (test), Lisp_Object UNUSED (key)) |
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1998 { |
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1999 Lisp_Object number_table, result; |
|
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2000 Elemcount ordinal = 0; |
|
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2001 struct gcpro gcpro1; |
|
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2002 |
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2003 if (check_test != check_eq_nokey || !LRECORDP (old)) |
|
58b38d5b32d0
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2004 { |
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2005 signal_error (Qunimplemented, |
|
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2006 ":descend-structures not yet finished, nsubst", |
|
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2007 Qunbound); |
|
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2008 } |
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2009 |
|
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2010 if (!LRECORDP (tree) || !HAS_OBJECT_METH_P (tree, nsubst_structures_descend)) |
|
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2011 { |
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2012 return tree; |
|
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2013 } |
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2014 |
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2015 number_table = make_lisp_hash_table (16, HASH_TABLE_NON_WEAK, Qeq); |
|
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2016 GCPRO1 (number_table); |
|
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2017 |
|
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2018 print_preprocess (tree, number_table, &ordinal); |
|
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2019 |
|
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2020 /* This function can GC by means of the hash table test functions, when |
|
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2021 replacing hash table entries. */ |
|
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2022 result = nsubst_structures_descend (new_, old, tree, number_table, |
|
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2023 test_not_unboundp); |
|
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2024 Fclrhash (number_table); |
|
58b38d5b32d0
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|
2025 |
|
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2026 RETURN_UNGCPRO (result); |
|
58b38d5b32d0
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2027 } |
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2028 |
| 428 | 2029 void |
| 2030 print_internal (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag) | |
| 2031 { | |
| 2032 /* This function can GC */ | |
| 2001 | 2033 int specdepth = 0; |
| 1204 | 2034 struct gcpro gcpro1, gcpro2; |
|
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2035 Boolint cleanup_table = 0; |
| 428 | 2036 |
| 2037 QUIT; | |
| 2038 | |
| 771 | 2039 #ifdef NO_PRINT_DURING_GC |
| 428 | 2040 /* Emacs won't print while GCing, but an external debugger might */ |
| 2041 if (gc_in_progress) return; | |
| 771 | 2042 #endif |
| 2043 | |
| 1204 | 2044 /* Just to be safe ... */ |
| 2045 GCPRO2 (obj, printcharfun); | |
| 428 | 2046 |
|
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2047 /* WARNING WARNING WARNING!!! Don't put anything here that might |
|
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|
2048 dereference memory. Instead, put it down inside of |
|
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2049 the case Lisp_Type_Record, after the appropriate checks to make sure |
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2050 we're not dereferencing bad memory. The idea is that, ideally, |
|
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2051 calling debug_print() should *NEVER* make the program crash, even when |
|
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2052 something very bad has happened. --ben */ |
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|
2053 |
| 428 | 2054 #ifdef I18N3 |
| 2055 /* #### Both input and output streams should have a flag associated | |
| 2056 with them indicating whether output to that stream, or strings | |
| 2057 read from the stream, get translated using Fgettext(). Such a | |
| 2058 stream is called a "translating stream". For the minibuffer and | |
| 2059 external-debugging-output this is always true on output, and | |
| 2060 with-output-to-temp-buffer sets the flag to true for the buffer | |
| 2061 it creates. This flag should also be user-settable. Perhaps it | |
| 2062 should be split up into two flags, one for input and one for | |
| 2063 output. */ | |
| 2064 #endif | |
| 2065 | |
| 2066 being_printed[print_depth] = obj; | |
| 2067 | |
| 1957 | 2068 /* Avoid calling internal_bind_int, which conses, when called from |
| 2069 debug_prin1. In that case, we have bound print_depth to 0 anyway. */ | |
| 2367 | 2070 if (!inhibit_non_essential_conversion_operations) |
| 1957 | 2071 { |
| 2072 specdepth = internal_bind_int (&print_depth, print_depth + 1); | |
| 2073 | |
|
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2074 if (print_depth > PRINT_CIRCLE_LIMIT) |
|
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2075 { |
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|
2076 signal_error (Qstack_overflow, |
|
58b38d5b32d0
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|
2077 "Apparently circular structure being printed", |
|
58b38d5b32d0
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|
2078 Qunbound); |
|
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2079 } |
| 1957 | 2080 } |
| 428 | 2081 |
| 2082 switch (XTYPE (obj)) | |
| 2083 { | |
|
5581
56144c8593a8
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|
2084 case Lisp_Type_Fixnum_Even: |
|
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2085 case Lisp_Type_Fixnum_Odd: |
| 428 | 2086 { |
|
4952
19a72041c5ed
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2087 Ascbyte buf[DECIMAL_PRINT_SIZE (EMACS_INT)]; |
|
5581
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|
2088 long_to_string (buf, XFIXNUM (obj)); |
|
4952
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|
2089 write_ascstring (printcharfun, buf); |
| 428 | 2090 break; |
| 2091 } | |
| 2092 | |
| 2093 case Lisp_Type_Char: | |
| 2094 { | |
| 2095 /* God intended that this be #\..., you know. */ | |
| 2096 char buf[16]; | |
| 867 | 2097 Ichar ch = XCHAR (obj); |
| 428 | 2098 char *p = buf; |
| 2099 *p++ = '?'; | |
| 434 | 2100 if (ch < 32) |
| 2101 { | |
| 2102 *p++ = '\\'; | |
| 2103 switch (ch) | |
| 2104 { | |
| 2105 case '\t': *p++ = 't'; break; | |
| 2106 case '\n': *p++ = 'n'; break; | |
| 2107 case '\r': *p++ = 'r'; break; | |
| 2108 default: | |
| 2109 *p++ = '^'; | |
| 2110 *p++ = ch + 64; | |
| 2111 if ((ch + 64) == '\\') | |
| 2112 *p++ = '\\'; | |
| 2113 break; | |
| 2114 } | |
| 2115 } | |
| 2116 else if (ch < 127) | |
| 428 | 2117 { |
| 434 | 2118 /* syntactically special characters should be escaped. */ |
| 2119 switch (ch) | |
| 2120 { | |
| 2121 case ' ': | |
| 2122 case '"': | |
| 2123 case '#': | |
| 2124 case '\'': | |
| 2125 case '(': | |
| 2126 case ')': | |
| 2127 case ',': | |
| 2128 case '.': | |
| 2129 case ';': | |
| 2130 case '?': | |
| 2131 case '[': | |
| 2132 case '\\': | |
| 2133 case ']': | |
| 2134 case '`': | |
| 2135 *p++ = '\\'; | |
| 2136 } | |
| 2137 *p++ = ch; | |
| 428 | 2138 } |
| 2139 else if (ch == 127) | |
| 434 | 2140 { |
| 2141 *p++ = '\\', *p++ = '^', *p++ = '?'; | |
| 2142 } | |
| 2143 else if (ch < 160) | |
| 428 | 2144 { |
| 2145 *p++ = '\\', *p++ = '^'; | |
| 867 | 2146 p += set_itext_ichar ((Ibyte *) p, ch + 64); |
| 428 | 2147 } |
| 2148 else | |
| 434 | 2149 { |
| 867 | 2150 p += set_itext_ichar ((Ibyte *) p, ch); |
| 434 | 2151 } |
| 440 | 2152 |
| 867 | 2153 output_string (printcharfun, (Ibyte *) buf, Qnil, 0, p - buf); |
| 434 | 2154 |
| 428 | 2155 break; |
| 2156 } | |
| 2157 | |
| 2158 case Lisp_Type_Record: | |
| 2159 { | |
| 2160 struct lrecord_header *lheader = XRECORD_LHEADER (obj); | |
| 1204 | 2161 |
|
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2162 /* Try to check for various sorts of bogus pointers or bad memory |
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2163 if we're in a situation where it may be likely -- i.e. called |
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2164 from debug_print() or we're already crashing. In such cases, |
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2165 (further) crashing is counterproductive. |
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2166 |
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2167 We don't normally do these because they may be expensive or |
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2168 weird (e.g. under Unix we typically have to set a SIGSEGV |
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2169 handler and try to trigger a seg fault). */ |
| 428 | 2170 |
|
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2171 if (!lheader) |
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2172 { |
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2173 /* i.e. EQ Qnull_pointer */ |
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2174 printing_major_badness (printcharfun, "NULL POINTER LRECORD", 0, |
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2175 0, 0, BADNESS_NO_TYPE); |
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2176 break; |
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2177 } |
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2178 |
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|
2179 /* First check to see if the lrecord header itself is garbage. */ |
| 2367 | 2180 if (inhibit_non_essential_conversion_operations && |
| 1204 | 2181 !debug_can_access_memory (lheader, sizeof (*lheader))) |
|
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2182 { |
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2183 printing_major_badness (printcharfun, |
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2184 "BAD MEMORY in LRECORD HEADER", 0, |
|
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2185 lheader, 0, BADNESS_NO_TYPE); |
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2186 break; |
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2187 } |
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2188 |
|
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2189 /* Check to see if the lrecord type is garbage. */ |
|
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2190 #ifndef NEW_GC |
|
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2191 if (lheader->type == lrecord_type_free) |
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2192 { |
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2193 printing_major_badness (printcharfun, "FREED LRECORD", 0, |
|
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2194 lheader, 0, BADNESS_NO_TYPE); |
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2195 break; |
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2196 } |
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2197 if (lheader->type == lrecord_type_undefined) |
|
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|
2198 { |
|
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be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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diff
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|
2199 printing_major_badness (printcharfun, "LRECORD_TYPE_UNDEFINED", 0, |
|
05c519de7353
be more careful when printing to check for bad objects
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diff
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|
2200 lheader, 0, BADNESS_NO_TYPE); |
|
05c519de7353
be more careful when printing to check for bad objects
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diff
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|
2201 break; |
|
05c519de7353
be more careful when printing to check for bad objects
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diff
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|
2202 } |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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diff
changeset
|
2203 #endif /* not NEW_GC */ |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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diff
changeset
|
2204 if ((int) (lheader->type) >= lrecord_type_count) |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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diff
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|
2205 { |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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diff
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|
2206 printing_major_badness (printcharfun, "ILLEGAL LRECORD TYPE", |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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diff
changeset
|
2207 (int) (lheader->type), |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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diff
changeset
|
2208 lheader, 0, BADNESS_POINTER_OBJECT); |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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diff
changeset
|
2209 break; |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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4846
diff
changeset
|
2210 } |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
2211 |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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diff
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|
2212 /* Check to see if the lrecord implementation is missing or garbage. */ |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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diff
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|
2213 { |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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diff
changeset
|
2214 const struct lrecord_implementation *imp = |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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diff
changeset
|
2215 LHEADER_IMPLEMENTATION (lheader); |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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diff
changeset
|
2216 |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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diff
changeset
|
2217 if (!imp) |
| 1204 | 2218 { |
|
4847
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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changeset
|
2219 printing_major_badness |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
2220 (printcharfun, "NO IMPLEMENTATION FOR LRECORD TYPE", |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
2221 (int) (lheader->type), |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
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diff
changeset
|
2222 lheader, 0, BADNESS_POINTER_OBJECT); |
| 1204 | 2223 break; |
| 2224 } | |
| 2225 | |
|
4847
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
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diff
changeset
|
2226 if (inhibit_non_essential_conversion_operations) |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
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|
2227 { |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
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|
2228 if (!debug_can_access_memory (imp, sizeof (*imp))) |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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diff
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|
2229 { |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
2230 printing_major_badness |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
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diff
changeset
|
2231 (printcharfun, "BAD MEMORY IN LRECORD IMPLEMENTATION", |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
2232 (int) (lheader->type), |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
2233 lheader, 0, BADNESS_POINTER_OBJECT); |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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diff
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|
2234 } |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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4846
diff
changeset
|
2235 } |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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diff
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|
2236 } |
| 428 | 2237 |
|
4847
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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diff
changeset
|
2238 /* Check to see if any of the memory of the lrecord is inaccessible. |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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diff
changeset
|
2239 Note that we already checked above to see if the first part of |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
2240 the lrecord (the header) is inaccessible, which will catch most |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
2241 cases of a totally bad pointer. */ |
| 1204 | 2242 |
| 2367 | 2243 if (inhibit_non_essential_conversion_operations) |
| 1204 | 2244 { |
| 2245 if (!debug_can_access_memory | |
| 2246 (lheader, detagged_lisp_object_size (lheader))) | |
| 2247 { | |
|
4847
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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4846
diff
changeset
|
2248 printing_major_badness (printcharfun, |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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diff
changeset
|
2249 "BAD MEMORY IN LRECORD", |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
2250 (int) (lheader->type), |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
2251 lheader, 0, BADNESS_POINTER_OBJECT); |
| 1204 | 2252 break; |
| 2253 } | |
| 2254 | |
|
4847
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
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diff
changeset
|
2255 /* For strings, also check the data of the string itself. */ |
| 1204 | 2256 if (STRINGP (obj)) |
| 2257 { | |
| 3092 | 2258 #ifdef NEW_GC |
| 2259 if (!debug_can_access_memory (XSTRING_DATA (obj), | |
| 2260 XSTRING_LENGTH (obj))) | |
| 2261 { | |
| 2262 write_fmt_string | |
| 2263 (printcharfun, | |
| 2264 "#<EMACS BUG: %p (BAD STRING DATA %p)>", | |
| 2265 lheader, XSTRING_DATA (obj)); | |
| 2266 break; | |
| 2267 } | |
| 2268 #else /* not NEW_GC */ | |
| 1204 | 2269 Lisp_String *l = (Lisp_String *) lheader; |
|
5191
71ee43b8a74d
Add #'equalp as a hash test by default; add #'define-hash-table-test, GNU API
Aidan Kehoe <kehoea@parhasard.net>
parents:
5189
diff
changeset
|
2270 if (l->size_ && !debug_can_access_memory (l->data_, l->size_)) |
| 1204 | 2271 { |
|
4847
05c519de7353
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Ben Wing <ben@xemacs.org>
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diff
changeset
|
2272 printing_major_badness (printcharfun, |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
2273 "BAD STRING DATA", (int) (lheader->type), |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
2274 lheader, l->data_, |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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diff
changeset
|
2275 BADNESS_POINTER_OBJECT_WITH_DATA); |
| 1204 | 2276 break; |
| 2277 } | |
| 3092 | 2278 #endif /* not NEW_GC */ |
| 1204 | 2279 } |
| 2280 } | |
| 2281 | |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2282 if (LRECORDP (obj) && |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2283 ((print_circle && HAS_OBJECT_METH_P (obj, print_preprocess)) || |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2284 (print_gensym && SYMBOLP (obj) && !IN_OBARRAY (obj)))) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2285 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2286 enum print_gensym_status status |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2287 = print_gensym_or_circle (obj, printcharfun); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2288 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2289 cleanup_table = (PRINT_GENSYM_PRINT_AND_CLEANUP_TABLE == status); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2290 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2291 if (PRINT_GENSYM_DONE == status) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2292 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2293 break; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2294 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2295 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2296 else if (!print_circle && |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2297 /* Could this structure be recursive? */ |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2298 LRECORDP (obj) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2299 && HAS_OBJECT_METH_P (obj, nsubst_structures_descend)) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2300 { |
|
4847
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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4846
diff
changeset
|
2301 int i; |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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4846
diff
changeset
|
2302 for (i = 0; i < print_depth - 1; i++) |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
2303 if (EQ (obj, being_printed[i])) |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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4846
diff
changeset
|
2304 { |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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4846
diff
changeset
|
2305 Ascbyte buf[DECIMAL_PRINT_SIZE (long) + 1]; |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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4846
diff
changeset
|
2306 *buf = '#'; |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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4846
diff
changeset
|
2307 long_to_string (buf + 1, i); |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4880
diff
changeset
|
2308 write_ascstring (printcharfun, buf); |
|
4847
05c519de7353
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Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
2309 break; |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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4846
diff
changeset
|
2310 } |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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4846
diff
changeset
|
2311 if (i < print_depth - 1) /* Did we print something? */ |
|
05c519de7353
be more careful when printing to check for bad objects
Ben Wing <ben@xemacs.org>
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diff
changeset
|
2312 break; |
|
05c519de7353
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Ben Wing <ben@xemacs.org>
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4846
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changeset
|
2313 } |
|
05c519de7353
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Ben Wing <ben@xemacs.org>
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changeset
|
2314 |
|
05c519de7353
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Ben Wing <ben@xemacs.org>
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diff
changeset
|
2315 if (CONSP (obj) || VECTORP (obj)) |
|
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Ben Wing <ben@xemacs.org>
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|
2316 { |
|
05c519de7353
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Ben Wing <ben@xemacs.org>
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changeset
|
2317 /* If deeper than spec'd depth, print placeholder. */ |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5560
diff
changeset
|
2318 if (FIXNUMP (Vprint_level) |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5560
diff
changeset
|
2319 && print_depth > XFIXNUM (Vprint_level)) |
|
4847
05c519de7353
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Ben Wing <ben@xemacs.org>
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changeset
|
2320 { |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4880
diff
changeset
|
2321 write_ascstring (printcharfun, "..."); |
|
4847
05c519de7353
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Ben Wing <ben@xemacs.org>
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diff
changeset
|
2322 break; |
|
05c519de7353
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diff
changeset
|
2323 } |
|
05c519de7353
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|
2324 } |
|
05c519de7353
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Ben Wing <ben@xemacs.org>
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|
2325 |
|
5118
e0db3c197671
merge up to latest default branch, doesn't compile yet
Ben Wing <ben@xemacs.org>
diff
changeset
|
2326 /* Either use a custom-written printer, or use |
|
e0db3c197671
merge up to latest default branch, doesn't compile yet
Ben Wing <ben@xemacs.org>
diff
changeset
|
2327 internal_object_printer or external_object_printer, depending on |
|
e0db3c197671
merge up to latest default branch, doesn't compile yet
Ben Wing <ben@xemacs.org>
diff
changeset
|
2328 whether the object is internal (not visible at Lisp level) or |
|
e0db3c197671
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Ben Wing <ben@xemacs.org>
diff
changeset
|
2329 external. */ |
|
e0db3c197671
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Ben Wing <ben@xemacs.org>
diff
changeset
|
2330 assert (LHEADER_IMPLEMENTATION (lheader)->printer); |
|
e0db3c197671
merge up to latest default branch, doesn't compile yet
Ben Wing <ben@xemacs.org>
diff
changeset
|
2331 ((LHEADER_IMPLEMENTATION (lheader)->printer) |
|
e0db3c197671
merge up to latest default branch, doesn't compile yet
Ben Wing <ben@xemacs.org>
diff
changeset
|
2332 (obj, printcharfun, escapeflag)); |
| 428 | 2333 break; |
| 2334 } | |
| 2335 | |
| 2336 default: | |
| 2337 { | |
| 2338 /* We're in trouble if this happens! */ | |
|
4847
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Ben Wing <ben@xemacs.org>
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4846
diff
changeset
|
2339 printing_major_badness (printcharfun, "ILLEGAL LISP OBJECT TAG TYPE", |
| 5013 | 2340 XTYPE (obj), STORE_LISP_IN_VOID (obj), 0, |
|
4847
05c519de7353
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4846
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changeset
|
2341 BADNESS_INTEGER_OBJECT); |
| 428 | 2342 break; |
| 2343 } | |
| 2344 } | |
| 2345 | |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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5420
diff
changeset
|
2346 if (cleanup_table) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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5420
diff
changeset
|
2347 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2348 /* If any objects have been seen once and once only, remove them from |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2349 Vprint_number_table. This is a bit of an arbitrary decision; we |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2350 could keep them around for the sake of print_continuous_numbering, |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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5420
diff
changeset
|
2351 but there's the reasonable worry about Vprint_number_table getting |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2352 awkwardly large. */ |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2353 elisp_map_remhash (print_continuous_numbering ? |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2354 print_nonsymbol_seen_once : print_seen_once, |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2355 Vprint_number_table, NULL); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2356 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2357 } |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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5420
diff
changeset
|
2358 |
| 2367 | 2359 if (!inhibit_non_essential_conversion_operations) |
| 1957 | 2360 unbind_to (specdepth); |
| 1204 | 2361 UNGCPRO; |
| 428 | 2362 } |
| 2363 | |
| 2364 void | |
| 2286 | 2365 print_float (Lisp_Object obj, Lisp_Object printcharfun, |
| 2366 int UNUSED (escapeflag)) | |
| 428 | 2367 { |
|
4952
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Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
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diff
changeset
|
2368 Ascbyte pigbuf[350]; /* see comments in float_to_string */ |
| 428 | 2369 |
| 2370 float_to_string (pigbuf, XFLOAT_DATA (obj)); | |
|
4952
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Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
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diff
changeset
|
2371 write_ascstring (printcharfun, pigbuf); |
| 428 | 2372 } |
| 2373 | |
| 2374 void | |
| 2375 print_symbol (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag) | |
| 2376 { | |
| 2377 /* This function can GC */ | |
| 2378 /* #### Bug!! (intern "") isn't printed in some distinguished way */ | |
| 2379 /* #### (the reader also loses on it) */ | |
| 793 | 2380 Lisp_Object name = symbol_name (XSYMBOL (obj)); |
| 2381 Bytecount size = XSTRING_LENGTH (name); | |
| 428 | 2382 struct gcpro gcpro1, gcpro2; |
| 2383 | |
| 2384 if (!escapeflag) | |
| 2385 { | |
| 2386 /* This deals with GC-relocation */ | |
| 793 | 2387 output_string (printcharfun, 0, name, 0, size); |
| 428 | 2388 return; |
| 2389 } | |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2390 |
| 428 | 2391 GCPRO2 (obj, printcharfun); |
| 2392 | |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2393 if (print_gensym) |
| 428 | 2394 { |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2395 if (!IN_OBARRAY (obj)) |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2396 { |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
2397 write_ascstring (printcharfun, "#:"); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
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5420
diff
changeset
|
2398 } |
| 428 | 2399 } |
| 2400 | |
| 2401 /* Does it look like an integer or a float? */ | |
| 2402 { | |
| 867 | 2403 Ibyte *data = XSTRING_DATA (name); |
| 428 | 2404 Bytecount confusing = 0; |
| 2405 | |
| 2406 if (size == 0) | |
| 2407 goto not_yet_confused; /* Really confusing */ | |
| 2408 else if (isdigit (data[0])) | |
| 2409 confusing = 0; | |
| 2410 else if (size == 1) | |
| 2411 goto not_yet_confused; | |
| 2412 else if (data[0] == '-' || data[0] == '+') | |
| 2413 confusing = 1; | |
| 2414 else | |
| 2415 goto not_yet_confused; | |
| 2416 | |
| 2417 for (; confusing < size; confusing++) | |
| 2418 { | |
|
5243
808131ba4a57
Print symbols with ratio-like names and the associated ratios distinctly.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5191
diff
changeset
|
2419 if (!isdigit (data[confusing]) && '/' != data[confusing]) |
| 428 | 2420 { |
| 2421 confusing = 0; | |
| 2422 break; | |
| 2423 } | |
| 2424 } | |
| 2425 not_yet_confused: | |
| 2426 | |
| 2427 if (!confusing) | |
| 2428 /* #### Ugh, this is needlessly complex and slow for what we | |
| 2429 need here. It might be a good idea to copy equivalent code | |
| 2430 from FSF. --hniksic */ | |
|
5243
808131ba4a57
Print symbols with ratio-like names and the associated ratios distinctly.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5191
diff
changeset
|
2431 confusing = isfloat_string ((char *) data) |
|
808131ba4a57
Print symbols with ratio-like names and the associated ratios distinctly.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5191
diff
changeset
|
2432 || isratio_string ((char *) data); |
| 428 | 2433 if (confusing) |
|
4952
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Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
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diff
changeset
|
2434 write_ascstring (printcharfun, "\\"); |
| 428 | 2435 } |
| 2436 | |
| 2437 { | |
| 2438 Bytecount i; | |
| 2439 Bytecount last = 0; | |
| 2440 | |
| 2441 for (i = 0; i < size; i++) | |
| 2442 { | |
| 826 | 2443 switch (string_byte (name, i)) |
| 428 | 2444 { |
| 2445 case 0: case 1: case 2: case 3: | |
| 2446 case 4: case 5: case 6: case 7: | |
| 2447 case 8: case 9: case 10: case 11: | |
| 2448 case 12: case 13: case 14: case 15: | |
| 2449 case 16: case 17: case 18: case 19: | |
| 2450 case 20: case 21: case 22: case 23: | |
| 2451 case 24: case 25: case 26: case 27: | |
| 2452 case 28: case 29: case 30: case 31: | |
| 2453 case ' ': case '\"': case '\\': case '\'': | |
| 2454 case ';': case '#' : case '(' : case ')': | |
| 2455 case ',': case '.' : case '`' : | |
| 2456 case '[': case ']' : case '?' : | |
| 2457 if (i > last) | |
| 793 | 2458 output_string (printcharfun, 0, name, last, i - last); |
|
4952
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Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
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4880
diff
changeset
|
2459 write_ascstring (printcharfun, "\\"); |
| 428 | 2460 last = i; |
| 2461 } | |
| 2462 } | |
| 793 | 2463 output_string (printcharfun, 0, name, last, size - last); |
| 428 | 2464 } |
| 2465 UNGCPRO; | |
| 2466 } | |
| 2467 | |
| 2468 | |
| 442 | 2469 /* Useful on systems or in places where writing to stdout is unavailable or |
| 2470 not working. */ | |
| 428 | 2471 |
| 2472 static int alternate_do_pointer; | |
| 1957 | 2473 static int alternate_do_size; |
| 2474 static char *alternate_do_string; | |
| 428 | 2475 |
| 2476 DEFUN ("alternate-debugging-output", Falternate_debugging_output, 1, 1, 0, /* | |
| 2477 Append CHARACTER to the array `alternate_do_string'. | |
| 2478 This can be used in place of `external-debugging-output' as a function | |
| 2479 to be passed to `print'. Before calling `print', set `alternate_do_pointer' | |
| 2480 to 0. | |
| 2481 */ | |
| 2482 (character)) | |
| 2483 { | |
| 867 | 2484 Ibyte str[MAX_ICHAR_LEN]; |
| 428 | 2485 Bytecount len; |
| 2486 | |
| 2487 CHECK_CHAR_COERCE_INT (character); | |
| 867 | 2488 len = set_itext_ichar (str, XCHAR (character)); |
| 771 | 2489 write_string_to_alternate_debugging_output (str, len); |
| 2490 | |
| 2491 return character; | |
| 2492 } | |
| 2493 | |
| 2494 static void | |
| 1346 | 2495 write_string_to_alternate_debugging_output (const Ibyte *str, Bytecount len) |
| 771 | 2496 { |
| 2497 int extlen; | |
| 2498 const Extbyte *extptr; | |
| 2499 #if 0 /* We want to see the internal representation, don't we? */ | |
| 2367 | 2500 if (initialized && !inhibit_non_essential_conversion_operations) |
| 771 | 2501 TO_EXTERNAL_FORMAT (DATA, (str, len), |
| 2502 ALLOCA, (extptr, extlen), | |
| 2503 Qterminal); | |
| 2504 else | |
| 2505 #endif /* 0 */ | |
| 2506 { | |
| 2507 extlen = len; | |
| 2508 extptr = (Extbyte *) str; | |
| 2509 } | |
| 1957 | 2510 |
| 2511 /* If not yet initialized, just skip it. */ | |
| 2512 if (alternate_do_string == NULL) | |
| 2513 return; | |
| 2514 | |
| 2515 if (alternate_do_pointer + extlen >= alternate_do_size) | |
| 2516 { | |
| 2517 alternate_do_size = | |
|
5014
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cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
2518 max (alternate_do_size * 2, alternate_do_pointer + extlen + 1); |
|
c2e0c3af5fe3
cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
2519 XREALLOC_ARRAY (alternate_do_string, CIbyte, alternate_do_size); |
| 1957 | 2520 } |
| 428 | 2521 memcpy (alternate_do_string + alternate_do_pointer, extptr, extlen); |
| 2522 alternate_do_pointer += extlen; | |
| 2523 alternate_do_string[alternate_do_pointer] = 0; | |
| 2524 } | |
| 2525 | |
| 1346 | 2526 |
| 2527 DEFUN ("set-device-clear-left-side", Fset_device_clear_left_side, 2, 2, 0, /* | |
| 2528 Set whether to output a newline before the next output to a stream device. | |
| 2529 This will happen only if the most recently-outputted character was not | |
| 2530 a newline -- i.e. it will make sure the left side is "clear" of text. | |
| 2531 */ | |
| 2532 (device, value)) | |
| 2533 { | |
| 2534 if (!NILP (device)) | |
| 2535 CHECK_LIVE_DEVICE (device); | |
| 2536 if (NILP (device) || DEVICE_STREAM_P (XDEVICE (device))) | |
| 2537 /* #### This should be per-device */ | |
| 2538 stdout_clear_before_next_output = !NILP (value); | |
| 2539 return Qnil; | |
| 2540 } | |
| 2541 | |
| 2542 DEFUN ("device-left-side-clear-p", Fdevice_left_side_clear_p, 0, 1, 0, /* | |
| 2543 For stream devices, true if the most recent-outputted character was a newline. | |
| 2544 */ | |
| 2545 (device)) | |
| 2546 { | |
| 2547 if (!NILP (device)) | |
| 2548 CHECK_LIVE_DEVICE (device); | |
| 2549 if (NILP (device) || DEVICE_STREAM_P (XDEVICE (device))) | |
| 2550 /* #### This should be per-device */ | |
| 2551 return stdout_needs_newline ? Qt : Qnil; | |
| 2552 return Qnil; | |
| 2553 } | |
| 2554 | |
| 428 | 2555 DEFUN ("external-debugging-output", Fexternal_debugging_output, 1, 3, 0, /* |
| 2556 Write CHAR-OR-STRING to stderr or stdout. | |
| 2557 If optional arg STDOUT-P is non-nil, write to stdout; otherwise, write | |
| 2558 to stderr. You can use this function to write directly to the terminal. | |
| 2559 This function can be used as the STREAM argument of Fprint() or the like. | |
| 2560 | |
| 442 | 2561 Under MS Windows, this writes output to the console window (which is |
| 2562 created, if necessary), unless XEmacs is being run noninteractively | |
| 2563 \(i.e. using the `-batch' argument). | |
| 2564 | |
| 428 | 2565 If you have opened a termscript file (using `open-termscript'), then |
| 2566 the output also will be logged to this file. | |
| 2567 */ | |
| 2568 (char_or_string, stdout_p, device)) | |
| 2569 { | |
| 2570 FILE *file = 0; | |
| 2571 struct console *con = 0; | |
| 2572 | |
| 2573 if (NILP (device)) | |
| 2574 { | |
| 2575 if (!NILP (stdout_p)) | |
| 2576 file = stdout; | |
| 2577 else | |
| 2578 file = stderr; | |
| 2579 } | |
| 2580 else | |
| 2581 { | |
| 2582 CHECK_LIVE_DEVICE (device); | |
| 2583 if (!DEVICE_TTY_P (XDEVICE (device)) && | |
| 2584 !DEVICE_STREAM_P (XDEVICE (device))) | |
| 563 | 2585 wtaerror ("Must be tty or stream device", device); |
| 428 | 2586 con = XCONSOLE (DEVICE_CONSOLE (XDEVICE (device))); |
| 2587 if (DEVICE_TTY_P (XDEVICE (device))) | |
| 2588 file = 0; | |
| 2589 else if (!NILP (stdout_p)) | |
| 2590 file = CONSOLE_STREAM_DATA (con)->out; | |
| 2591 else | |
| 2592 file = CONSOLE_STREAM_DATA (con)->err; | |
| 2593 } | |
| 2594 | |
| 2595 if (STRINGP (char_or_string)) | |
| 2596 write_string_to_stdio_stream (file, con, | |
| 2597 XSTRING_DATA (char_or_string), | |
| 771 | 2598 XSTRING_LENGTH (char_or_string), |
| 2599 print_unbuffered); | |
| 428 | 2600 else |
| 2601 { | |
| 867 | 2602 Ibyte str[MAX_ICHAR_LEN]; |
| 428 | 2603 Bytecount len; |
| 2604 | |
| 2605 CHECK_CHAR_COERCE_INT (char_or_string); | |
| 867 | 2606 len = set_itext_ichar (str, XCHAR (char_or_string)); |
| 771 | 2607 write_string_to_stdio_stream (file, con, str, len, print_unbuffered); |
| 428 | 2608 } |
| 2609 | |
| 2610 return char_or_string; | |
| 2611 } | |
| 2612 | |
| 2613 DEFUN ("open-termscript", Fopen_termscript, 1, 1, "FOpen termscript file: ", /* | |
| 444 | 2614 Start writing all terminal output to FILENAME as well as the terminal. |
| 2615 FILENAME = nil means just close any termscript file currently open. | |
| 428 | 2616 */ |
| 444 | 2617 (filename)) |
| 428 | 2618 { |
| 2619 /* This function can GC */ | |
| 2620 if (termscript != 0) | |
| 2621 { | |
| 771 | 2622 retry_fclose (termscript); |
| 444 | 2623 termscript = 0; |
| 2624 } | |
| 2625 | |
| 2626 if (! NILP (filename)) | |
| 2627 { | |
| 2628 filename = Fexpand_file_name (filename, Qnil); | |
| 771 | 2629 termscript = qxe_fopen (XSTRING_DATA (filename), "w"); |
| 428 | 2630 if (termscript == NULL) |
| 563 | 2631 report_file_error ("Opening termscript", filename); |
| 428 | 2632 } |
| 2633 return Qnil; | |
| 2634 } | |
| 2635 | |
|
5014
c2e0c3af5fe3
cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
2636 static Lisp_Object |
|
c2e0c3af5fe3
cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
2637 restore_inhibit_non_essential_conversion_operations (Lisp_Object obj) |
|
c2e0c3af5fe3
cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
2638 { |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5560
diff
changeset
|
2639 inhibit_non_essential_conversion_operations = XFIXNUM (obj); |
|
5014
c2e0c3af5fe3
cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
2640 return Qnil; |
|
c2e0c3af5fe3
cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
2641 } |
|
c2e0c3af5fe3
cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
2642 |
|
c2e0c3af5fe3
cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
2643 /* Bind the value of inhibit_non_essential_conversion_operations to 1 |
|
c2e0c3af5fe3
cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
2644 in a way that involves no consing. */ |
|
c2e0c3af5fe3
cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
2645 static int |
|
c2e0c3af5fe3
cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
2646 begin_inhibit_non_essential_conversion_operations (void) |
|
c2e0c3af5fe3
cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
2647 { |
|
c2e0c3af5fe3
cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
2648 int depth = |
|
c2e0c3af5fe3
cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
2649 record_unwind_protect |
|
c2e0c3af5fe3
cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
2650 (restore_inhibit_non_essential_conversion_operations, |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5560
diff
changeset
|
2651 make_fixnum (inhibit_non_essential_conversion_operations)); |
|
5014
c2e0c3af5fe3
cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
2652 inhibit_non_essential_conversion_operations = 1; |
|
c2e0c3af5fe3
cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
2653 return depth; |
|
c2e0c3af5fe3
cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
2654 } |
|
c2e0c3af5fe3
cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
2655 |
| 440 | 2656 static int debug_print_length = 50; |
| 2657 static int debug_print_level = 15; | |
| 2658 static int debug_print_readably = -1; | |
| 428 | 2659 |
| 1957 | 2660 /* Restore values temporarily bound by debug_prin1. We use this approach to |
|
5014
c2e0c3af5fe3
cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
2661 avoid consing in debug_prin1. That is verboten, since debug_print can be |
| 1957 | 2662 called by cons debugging code. */ |
| 2663 static Lisp_Object | |
|
5014
c2e0c3af5fe3
cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
2664 debug_print_exit (Lisp_Object val) |
| 1957 | 2665 { |
|
5014
c2e0c3af5fe3
cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
2666 struct debug_bindings *bindings = |
|
c2e0c3af5fe3
cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
2667 (struct debug_bindings *) GET_VOID_FROM_LISP (val); |
| 2367 | 2668 inhibit_non_essential_conversion_operations = |
| 2669 bindings->inhibit_non_essential_conversion_operations; | |
| 1957 | 2670 print_depth = bindings->print_depth; |
| 2671 print_readably = bindings->print_readably; | |
| 2672 print_unbuffered = bindings->print_unbuffered; | |
|
4880
ae81a2c00f4f
try harder to avoid crashing when debug-printing
Ben Wing <ben@xemacs.org>
parents:
4847
diff
changeset
|
2673 in_debug_print = bindings->in_debug_print; |
| 1957 | 2674 gc_currently_forbidden = bindings->gc_currently_forbidden; |
| 2675 Vprint_length = bindings->Vprint_length; | |
| 2676 Vprint_level = bindings->Vprint_level; | |
| 2677 Vinhibit_quit = bindings->Vinhibit_quit; | |
| 2678 return Qnil; | |
| 2679 } | |
| 2680 | |
|
5014
c2e0c3af5fe3
cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
2681 /* Save values and bind them to new values suitable for debug output. We |
|
c2e0c3af5fe3
cleanups to debug-print, try harder to make it work during GC
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|
2682 try very hard to avoid any Lisp allocation (i.e. consing) during the |
|
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|
2683 operation of debug printing, since we might be calling it from inside GC |
|
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cleanups to debug-print, try harder to make it work during GC
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|
2684 or other sensitive places. This means we have to be a bit careful with |
|
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Ben Wing <ben@xemacs.org>
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|
2685 record_unwind_protect to not create any temporary Lisp objects. */ |
|
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cleanups to debug-print, try harder to make it work during GC
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|
2686 |
|
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|
2687 static int |
|
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|
2688 debug_print_enter (struct debug_bindings *bindings) |
| 428 | 2689 { |
| 853 | 2690 /* by doing this, we trick various things that are non-essential |
| 2691 but might cause crashes into not getting executed. */ | |
| 1957 | 2692 int specdepth; |
| 853 | 2693 |
| 2367 | 2694 bindings->inhibit_non_essential_conversion_operations = |
| 2695 inhibit_non_essential_conversion_operations; | |
| 1957 | 2696 bindings->print_depth = print_depth; |
| 2697 bindings->print_readably = print_readably; | |
| 2698 bindings->print_unbuffered = print_unbuffered; | |
|
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|
2699 bindings->in_debug_print = in_debug_print; |
| 1957 | 2700 bindings->gc_currently_forbidden = gc_currently_forbidden; |
| 2701 bindings->Vprint_length = Vprint_length; | |
| 2702 bindings->Vprint_level = Vprint_level; | |
| 2703 bindings->Vinhibit_quit = Vinhibit_quit; | |
|
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|
2704 specdepth = record_unwind_protect (debug_print_exit, |
|
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|
2705 STORE_VOID_IN_LISP (bindings)); |
| 1957 | 2706 |
| 2367 | 2707 inhibit_non_essential_conversion_operations = 1; |
| 1957 | 2708 print_depth = 0; |
| 2709 print_readably = debug_print_readably != -1 ? debug_print_readably : 0; | |
| 2710 print_unbuffered++; | |
|
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|
2711 in_debug_print = 1; |
|
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|
2712 gc_currently_forbidden = 1; |
| 428 | 2713 if (debug_print_length > 0) |
|
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|
2714 Vprint_length = make_fixnum (debug_print_length); |
| 428 | 2715 if (debug_print_level > 0) |
|
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Aidan Kehoe <kehoea@parhasard.net>
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|
2716 Vprint_level = make_fixnum (debug_print_level); |
| 1957 | 2717 Vinhibit_quit = Qt; |
| 1346 | 2718 |
|
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2719 return specdepth; |
|
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|
2720 } |
|
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|
2721 |
|
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|
2722 /* Print an object, `prin1'-style, to various possible debugging outputs. |
|
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|
2723 Make sure it's completely unbuffered so that, in the event of a crash |
|
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|
2724 somewhere, we see as much as possible that happened before it. |
|
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|
2725 */ |
|
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|
2726 static void |
|
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|
2727 debug_prin1 (Lisp_Object debug_print_obj, int flags) |
|
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2728 { |
|
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|
2729 /* This function cannot GC, since GC is forbidden */ |
|
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|
2730 struct debug_bindings bindings; |
|
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|
2731 int specdepth = debug_print_enter (&bindings); |
|
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cleanups to debug-print, try harder to make it work during GC
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|
2732 |
| 1346 | 2733 if ((flags & EXT_PRINT_STDOUT) || (flags & EXT_PRINT_STDERR)) |
| 2734 print_internal (debug_print_obj, Qexternal_debugging_output, 1); | |
| 2735 if (flags & EXT_PRINT_ALTERNATE) | |
| 2736 print_internal (debug_print_obj, Qalternate_debugging_output, 1); | |
| 442 | 2737 #ifdef WIN32_NATIVE |
| 1346 | 2738 if (flags & EXT_PRINT_MSWINDOWS) |
| 2739 { | |
| 2740 /* Write out to the debugger, as well */ | |
| 2741 print_internal (debug_print_obj, Qmswindows_debugging_output, 1); | |
| 2742 } | |
| 442 | 2743 #endif |
| 440 | 2744 |
| 802 | 2745 unbind_to (specdepth); |
| 428 | 2746 } |
| 2747 | |
| 2748 void | |
| 1204 | 2749 debug_p4 (Lisp_Object obj) |
| 2750 { | |
| 2751 if (STRINGP (obj)) | |
| 2752 debug_out ("\"%s\"", XSTRING_DATA (obj)); | |
| 2753 else if (CONSP (obj)) | |
| 2754 { | |
| 2755 int first = 1; | |
| 2756 do { | |
| 2757 debug_out (first ? "(" : " "); | |
| 2758 first = 0; | |
| 2759 debug_p4 (XCAR (obj)); | |
| 2760 obj = XCDR (obj); | |
| 2761 } while (CONSP (obj)); | |
| 2762 if (NILP (obj)) | |
| 2763 debug_out (")"); | |
| 2764 else | |
| 2765 { | |
| 2766 debug_out (" . "); | |
| 2767 debug_p4 (obj); | |
| 2768 debug_out (")"); | |
| 2769 } | |
| 2770 } | |
| 2771 else if (VECTORP (obj)) | |
| 2772 { | |
| 2773 int size = XVECTOR_LENGTH (obj); | |
| 2774 int i; | |
| 2775 int first = 1; | |
| 2776 | |
| 2777 for (i = 0; i < size; i++) | |
| 2778 { | |
| 2779 debug_out (first ? "[" : " "); | |
| 2780 first = 0; | |
| 2781 debug_p4 (XVECTOR_DATA (obj)[i]); | |
| 2782 debug_out ("]"); | |
| 2783 } | |
| 2784 } | |
| 2785 else if (SYMBOLP (obj)) | |
| 2786 { | |
| 2787 Lisp_Object name = XSYMBOL_NAME (obj); | |
| 2788 if (!STRINGP (name)) | |
| 2789 debug_out ("<<bad symbol>>"); | |
| 2790 else | |
| 2791 debug_out ("%s", XSTRING_DATA (name)); | |
| 2792 } | |
|
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|
2793 else if (FIXNUMP (obj)) |
| 1204 | 2794 { |
|
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|
2795 debug_out ("%ld", XFIXNUM (obj)); |
| 1204 | 2796 } |
| 2797 else if (FLOATP (obj)) | |
| 2798 { | |
| 2799 debug_out ("%g", XFLOAT_DATA (obj)); | |
| 2800 } | |
| 2801 else | |
| 2802 { | |
| 2803 struct lrecord_header *header = | |
| 2804 (struct lrecord_header *) XPNTR (obj); | |
| 2805 | |
| 2806 if (header->type >= lrecord_type_last_built_in_type) | |
| 2807 debug_out ("<< bad object type=%d 0x%lx>>", header->type, | |
| 2808 (EMACS_INT) header); | |
| 2809 else | |
| 3063 | 2810 debug_out ("#<%s addr=0x%lx uid=0x%lx>", |
| 2720 | 2811 LHEADER_IMPLEMENTATION (header)->name, |
| 3063 | 2812 (EMACS_INT) header, |
| 2720 | 2813 (EMACS_INT) ((struct lrecord_header *) header)->uid); |
| 1204 | 2814 } |
| 2815 } | |
| 2816 | |
|
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Ben Wing <ben@xemacs.org>
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|
2817 static int |
| 1346 | 2818 ext_print_begin (int dest) |
| 2819 { | |
|
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|
2820 int depth = begin_inhibit_non_essential_conversion_operations (); |
| 1346 | 2821 if (dest & EXT_PRINT_ALTERNATE) |
| 2822 alternate_do_pointer = 0; | |
| 2823 if (dest & (EXT_PRINT_STDERR | EXT_PRINT_STDOUT)) | |
| 2824 stdout_clear_before_next_output = 1; | |
|
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Ben Wing <ben@xemacs.org>
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changeset
|
2825 return depth; |
| 1346 | 2826 } |
| 2827 | |
| 2828 static void | |
|
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Ben Wing <ben@xemacs.org>
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|
2829 ext_print_end (int dest, int depth) |
| 1346 | 2830 { |
| 2831 if (dest & (EXT_PRINT_MSWINDOWS | EXT_PRINT_STDERR | EXT_PRINT_STDOUT)) | |
| 2832 external_out (dest & (EXT_PRINT_MSWINDOWS | EXT_PRINT_STDERR | | |
| 2833 EXT_PRINT_STDOUT), "\n"); | |
|
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cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
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|
2834 unbind_to (depth); |
| 1346 | 2835 } |
| 2836 | |
| 2837 static void | |
| 2838 external_debug_print (Lisp_Object object, int dest) | |
| 2839 { | |
|
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cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
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|
2840 int depth = ext_print_begin (dest); |
| 1346 | 2841 debug_prin1 (object, dest); |
|
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|
2842 ext_print_end (dest, depth); |
| 1346 | 2843 } |
| 2844 | |
| 1204 | 2845 void |
| 2846 debug_p3 (Lisp_Object obj) | |
| 2847 { | |
| 2848 debug_p4 (obj); | |
| 2849 debug_out ("\n"); | |
| 2850 } | |
| 2851 | |
| 2852 void | |
| 428 | 2853 debug_print (Lisp_Object debug_print_obj) |
| 2854 { | |
| 1346 | 2855 external_debug_print (debug_print_obj, EXT_PRINT_ALL); |
| 428 | 2856 } |
| 2857 | |
|
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|
2858 /* Printf-style output when the objects being printed are Lisp objects. |
|
b65692aa90d8
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|
2859 Calling style is e.g. |
|
b65692aa90d8
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|
2860 |
|
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changeset
|
2861 debug_out_lisp ("Called foo(%s %s)\n", 2, arg0, arg1) |
|
b65692aa90d8
Cosmetic XFT-code fixes, some variable renamings
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|
2862 */ |
|
b65692aa90d8
Cosmetic XFT-code fixes, some variable renamings
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changeset
|
2863 |
|
b65692aa90d8
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|
2864 void |
|
b65692aa90d8
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changeset
|
2865 debug_out_lisp (const CIbyte *format, int nargs, ...) |
|
b65692aa90d8
Cosmetic XFT-code fixes, some variable renamings
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|
2866 { |
|
b65692aa90d8
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|
2867 /* This function cannot GC, since GC is forbidden */ |
|
b65692aa90d8
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Ben Wing <ben@xemacs.org>
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|
2868 struct debug_bindings bindings; |
|
b65692aa90d8
Cosmetic XFT-code fixes, some variable renamings
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changeset
|
2869 int specdepth = debug_print_enter (&bindings); |
|
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changeset
|
2870 Lisp_Object *args = alloca_array (Lisp_Object, nargs); |
|
b65692aa90d8
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|
2871 va_list va; |
|
b65692aa90d8
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|
2872 int i; |
|
b65692aa90d8
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|
2873 Ibyte *msgout; |
|
b65692aa90d8
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|
2874 |
|
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|
2875 va_start (va, nargs); |
|
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|
2876 for (i = 0; i < nargs; i++) |
|
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|
2877 args[i] = va_arg (va, Lisp_Object); |
|
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|
2878 va_end (va); |
|
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|
2879 msgout = emacs_vsprintf_malloc_lisp (format, Qnil, nargs, args, NULL); |
|
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|
2880 debug_out ("%s", msgout); |
|
b65692aa90d8
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changeset
|
2881 xfree (msgout); |
|
b65692aa90d8
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changeset
|
2882 unbind_to (specdepth); |
|
b65692aa90d8
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|
2883 } |
|
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|
2884 |
| 1204 | 2885 /* Getting tired of typing debug_print() ... */ |
| 2886 void dp (Lisp_Object debug_print_obj); | |
| 2887 void | |
| 2888 dp (Lisp_Object debug_print_obj) | |
| 2889 { | |
| 2890 debug_print (debug_print_obj); | |
| 2891 } | |
| 2892 | |
| 1346 | 2893 /* Alternate debug printer: Return a char * pointer to the output */ |
| 2894 char *dpa (Lisp_Object debug_print_obj); | |
| 2895 char * | |
| 2896 dpa (Lisp_Object debug_print_obj) | |
| 2897 { | |
| 2898 external_debug_print (debug_print_obj, EXT_PRINT_ALTERNATE); | |
| 2899 | |
| 2900 return alternate_do_string; | |
| 2901 } | |
| 2902 | |
| 428 | 2903 /* Debugging kludge -- unbuffered */ |
| 2904 /* This function provided for the benefit of the debugger. */ | |
| 2905 void | |
| 2906 debug_backtrace (void) | |
| 2907 { | |
|
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|
2908 /* This function cannot GC, since GC is forbidden */ |
|
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|
2909 struct debug_bindings bindings; |
|
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|
2910 int specdepth = debug_print_enter (&bindings); |
| 428 | 2911 |
| 2912 Fbacktrace (Qexternal_debugging_output, Qt); | |
| 2913 stderr_out ("\n"); | |
| 2914 | |
| 802 | 2915 unbind_to (specdepth); |
| 428 | 2916 } |
| 2917 | |
| 1204 | 2918 /* Getting tired of typing debug_backtrace() ... */ |
| 2919 void db (void); | |
| 2920 void | |
| 2921 db (void) | |
| 2922 { | |
| 2923 debug_backtrace (); | |
| 2924 } | |
| 2925 | |
| 428 | 2926 void |
| 2927 debug_short_backtrace (int length) | |
| 2928 { | |
| 2929 int first = 1; | |
| 2930 struct backtrace *bt = backtrace_list; | |
|
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|
2931 |
| 771 | 2932 debug_out (" ["); |
| 428 | 2933 while (length > 0 && bt) |
| 2934 { | |
| 2935 if (!first) | |
| 2936 { | |
| 771 | 2937 debug_out (", "); |
| 428 | 2938 } |
| 2939 if (COMPILED_FUNCTIONP (*bt->function)) | |
| 2940 { | |
| 1346 | 2941 #if defined (COMPILED_FUNCTION_ANNOTATION_HACK) |
| 428 | 2942 Lisp_Object ann = |
| 2943 compiled_function_annotation (XCOMPILED_FUNCTION (*bt->function)); | |
| 2944 #else | |
| 2945 Lisp_Object ann = Qnil; | |
| 2946 #endif | |
| 2947 if (!NILP (ann)) | |
| 2948 { | |
| 771 | 2949 debug_out ("<compiled-function from "); |
| 1346 | 2950 debug_prin1 (ann, EXT_PRINT_ALL); |
| 771 | 2951 debug_out (">"); |
| 428 | 2952 } |
| 2953 else | |
| 2954 { | |
| 771 | 2955 debug_out ("<compiled-function of unknown origin>"); |
| 428 | 2956 } |
| 2957 } | |
| 2958 else | |
| 1346 | 2959 debug_prin1 (*bt->function, EXT_PRINT_ALL); |
| 428 | 2960 first = 0; |
| 2961 length--; | |
| 2962 bt = bt->next; | |
| 2963 } | |
| 771 | 2964 debug_out ("]\n"); |
| 428 | 2965 } |
| 2966 | |
| 2967 | |
| 2968 void | |
| 2969 syms_of_print (void) | |
| 2970 { | |
| 563 | 2971 DEFSYMBOL (Qstandard_output); |
| 428 | 2972 |
| 563 | 2973 DEFSYMBOL (Qprint_length); |
| 428 | 2974 |
| 563 | 2975 DEFSYMBOL (Qprint_string_length); |
| 428 | 2976 |
| 563 | 2977 DEFSYMBOL (Qdisplay_error); |
| 2978 DEFSYMBOL (Qprint_message_label); | |
| 428 | 2979 |
| 2980 DEFSUBR (Fprin1); | |
| 2981 DEFSUBR (Fprin1_to_string); | |
| 2982 DEFSUBR (Fprinc); | |
| 2983 DEFSUBR (Fprint); | |
| 2984 DEFSUBR (Ferror_message_string); | |
| 2985 DEFSUBR (Fdisplay_error); | |
| 2986 DEFSUBR (Fterpri); | |
| 2987 DEFSUBR (Fwrite_char); | |
| 2988 DEFSUBR (Falternate_debugging_output); | |
| 1346 | 2989 DEFSUBR (Fset_device_clear_left_side); |
| 2990 DEFSUBR (Fdevice_left_side_clear_p); | |
| 428 | 2991 DEFSUBR (Fexternal_debugging_output); |
| 2992 DEFSUBR (Fopen_termscript); | |
| 563 | 2993 DEFSYMBOL (Qexternal_debugging_output); |
| 2994 DEFSYMBOL (Qalternate_debugging_output); | |
| 442 | 2995 #ifdef HAVE_MS_WINDOWS |
| 563 | 2996 DEFSYMBOL (Qmswindows_debugging_output); |
| 442 | 2997 #endif |
| 428 | 2998 DEFSUBR (Fwith_output_to_temp_buffer); |
| 2999 } | |
| 3000 | |
| 3001 void | |
| 3002 reinit_vars_of_print (void) | |
| 3003 { | |
| 3004 alternate_do_pointer = 0; | |
| 3005 } | |
| 3006 | |
| 3007 void | |
| 3008 vars_of_print (void) | |
| 3009 { | |
| 3010 DEFVAR_LISP ("standard-output", &Vstandard_output /* | |
| 3011 Output stream `print' uses by default for outputting a character. | |
| 3012 This may be any function of one argument. | |
| 3013 It may also be a buffer (output is inserted before point) | |
| 3014 or a marker (output is inserted and the marker is advanced) | |
| 3015 or the symbol t (output appears in the minibuffer line). | |
| 3016 */ ); | |
| 3017 Vstandard_output = Qt; | |
| 3018 | |
| 3019 DEFVAR_LISP ("float-output-format", &Vfloat_output_format /* | |
| 3020 The format descriptor string that lisp uses to print floats. | |
| 3021 This is a %-spec like those accepted by `printf' in C, | |
| 3022 but with some restrictions. It must start with the two characters `%.'. | |
| 3023 After that comes an integer precision specification, | |
| 3024 and then a letter which controls the format. | |
| 3025 The letters allowed are `e', `f' and `g'. | |
| 3026 Use `e' for exponential notation "DIG.DIGITSeEXPT" | |
| 3027 Use `f' for decimal point notation "DIGITS.DIGITS". | |
| 3028 Use `g' to choose the shorter of those two formats for the number at hand. | |
| 3029 The precision in any of these cases is the number of digits following | |
| 3030 the decimal point. With `f', a precision of 0 means to omit the | |
| 3031 decimal point. 0 is not allowed with `f' or `g'. | |
| 3032 | |
| 3033 A value of nil means to use `%.16g'. | |
| 3034 | |
| 3035 Regardless of the value of `float-output-format', a floating point number | |
| 3036 will never be printed in such a way that it is ambiguous with an integer; | |
| 3037 that is, a floating-point number will always be printed with a decimal | |
| 3038 point and/or an exponent, even if the digits following the decimal point | |
| 3039 are all zero. This is to preserve read-equivalence. | |
| 3040 */ ); | |
| 3041 Vfloat_output_format = Qnil; | |
| 3042 | |
| 3043 DEFVAR_LISP ("print-length", &Vprint_length /* | |
| 3044 Maximum length of list or vector to print before abbreviating. | |
| 3045 A value of nil means no limit. | |
| 3046 */ ); | |
| 3047 Vprint_length = Qnil; | |
| 3048 | |
| 3049 DEFVAR_LISP ("print-string-length", &Vprint_string_length /* | |
| 3050 Maximum length of string to print before abbreviating. | |
| 3051 A value of nil means no limit. | |
| 3052 */ ); | |
| 3053 Vprint_string_length = Qnil; | |
| 3054 | |
| 3055 DEFVAR_LISP ("print-level", &Vprint_level /* | |
| 3056 Maximum depth of list nesting to print before abbreviating. | |
| 3057 A value of nil means no limit. | |
| 3058 */ ); | |
| 3059 Vprint_level = Qnil; | |
| 3060 | |
| 3061 DEFVAR_BOOL ("print-escape-newlines", &print_escape_newlines /* | |
| 3062 Non-nil means print newlines in strings as backslash-n. | |
| 3063 */ ); | |
| 3064 print_escape_newlines = 0; | |
| 3065 | |
| 3066 DEFVAR_BOOL ("print-readably", &print_readably /* | |
| 3067 If non-nil, then all objects will be printed in a readable form. | |
| 3068 If an object has no readable representation, then an error is signalled. | |
| 3069 When print-readably is true, compiled-function objects will be written in | |
| 3070 #[...] form instead of in #<compiled-function [...]> form, and two-element | |
| 3071 lists of the form (quote object) will be written as the equivalent 'object. | |
| 3072 Do not SET this variable; bind it instead. | |
| 3073 */ ); | |
| 3074 print_readably = 0; | |
| 3075 | |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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parents:
5420
diff
changeset
|
3076 DEFVAR_BOOL ("print-gensym", &print_gensym /* |
| 428 | 3077 If non-nil, then uninterned symbols will be printed specially. |
| 3078 Uninterned symbols are those which are not present in `obarray', that is, | |
| 3079 those which were made with `make-symbol' or by calling `intern' with a | |
| 3080 second argument. | |
| 3081 | |
| 3082 When print-gensym is true, such symbols will be preceded by "#:", | |
| 3083 which causes the reader to create a new symbol instead of interning | |
| 3084 and returning an existing one. Beware: the #: syntax creates a new | |
| 3085 symbol each time it is seen, so if you print an object which contains | |
| 3086 two pointers to the same uninterned symbol, `read' will not duplicate | |
| 3087 that structure. | |
| 3088 | |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3089 If the value of `print-continuous-numbering' is non-nil, the table used by |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3090 `print-gensym' and `print-circle' (which see) will not be reset on entry to |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3091 and exit from printing functions, so that the use of #...# and #...= can |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3092 carry over for several separately printed objects. |
| 428 | 3093 */ ); |
|
5560
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3094 print_gensym = 1; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3095 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3096 DEFVAR_BOOL ("print-circle", &print_circle /* |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3097 Non-nil means print recursive structures using #N= and #N# syntax. |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3098 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3099 If nil, XEmacs detects recursive structures and truncates them in an |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3100 unreadable fashion. |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3101 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3102 If non-nil, shared substructures anywhere in the structure are printed |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3103 with `#N=' before the first occurrence (in the order of the print |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3104 representation) and `#N#' in place of each subsequent occurrence, |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3105 where N is a positive decimal integer. |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3106 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3107 If the value of `print-continuous-numbering' is non-nil, the table used by |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3108 `print-gensym' (which see) and `print-circle' will not be reset on entry to |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3109 and exit from printing functions, so that the use of #...# and #...= can |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3110 carry over for several separately printed objects. |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3111 */); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3112 print_circle = 0; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3113 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3114 DEFVAR_BOOL_MAGIC ("print-continuous-numbering", |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3115 &print_continuous_numbering /* |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3116 Non-nil means number continuously across print calls, mostly for symbols. |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3117 This affects the numbers printed for #N= labels and #M# references. |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3118 See also `print-circle' and `print-gensym'. |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3119 This variable should not be set with `setq'; bind it with a `let' instead. |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3120 */ , |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
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parents:
5420
diff
changeset
|
3121 print_continuous_numbering_changed); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3122 print_continuous_numbering = 0; |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3123 |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3124 staticpro (&Vprint_number_table); |
|
58b38d5b32d0
Implement print-circle, allowing recursive and circular structures to be read.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5420
diff
changeset
|
3125 Vprint_number_table = make_lisp_hash_table (16, HASH_TABLE_KEY_WEAK, Qeq); |
| 428 | 3126 |
| 3127 DEFVAR_LISP ("print-message-label", &Vprint_message_label /* | |
| 3128 Label for minibuffer messages created with `print'. This should | |
| 3129 generally be bound with `let' rather than set. (See `display-message'.) | |
| 3130 */ ); | |
| 3131 Vprint_message_label = Qprint; | |
| 1957 | 3132 |
|
5014
c2e0c3af5fe3
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Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
3133 /* The exact size doesn't matter since we realloc when necessary. |
|
c2e0c3af5fe3
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Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
3134 Use CIbyte instead of Ibyte so that debuggers show the associated |
|
c2e0c3af5fe3
cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
3135 string automatically. */ |
| 1957 | 3136 alternate_do_size = 5000; |
|
5014
c2e0c3af5fe3
cleanups to debug-print, try harder to make it work during GC
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
3137 alternate_do_string = xnew_array (CIbyte, 5000); |
| 428 | 3138 } |