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0
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1 /* Lisp object printing and output streams.
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2 Copyright (C) 1985, 1986, 1988, 1992-1995 Free Software Foundation, Inc.
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3 Copyright (C) 1995, 1996 Ben Wing.
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4
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5 This file is part of XEmacs.
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6
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7 XEmacs is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 2, or (at your option) any
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10 later version.
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11
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12 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with XEmacs; see the file COPYING. If not, write to
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19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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20 Boston, MA 02111-1307, USA. */
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21
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22 /* Synched up with: Not synched with FSF. */
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23
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24 /* This file has been Mule-ized. */
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25
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26 /* Seriously hacked on by Ben Wing for Mule. */
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27
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28 #include <config.h>
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29 #include "lisp.h"
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30
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31 #include "backtrace.h"
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32 #include "buffer.h"
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33 #include "bytecode.h"
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34 #include "console-tty.h"
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35 #include "console-stream.h"
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36 #include "extents.h"
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37 #include "frame.h"
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38 #include "insdel.h"
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39 #include "lstream.h"
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272
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40 #include "sysfile.h"
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0
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41
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380
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42 #include <limits.h>
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272
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43 #include <float.h>
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44 /* Define if not in float.h */
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45 #ifndef DBL_DIG
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46 #define DBL_DIG 16
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47 #endif
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48
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0
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49 Lisp_Object Vstandard_output, Qstandard_output;
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50
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51 /* The subroutine object for external-debugging-output is kept here
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52 for the convenience of the debugger. */
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53 Lisp_Object Qexternal_debugging_output;
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54 Lisp_Object Qalternate_debugging_output;
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173
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55
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0
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56 /* Avoid actual stack overflow in print. */
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57 static int print_depth;
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58
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177
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59 /* Detect most circularities to print finite output. */
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60 #define PRINT_CIRCLE 200
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61 Lisp_Object being_printed[PRINT_CIRCLE];
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62
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0
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63 /* Maximum length of list or vector to print in full; noninteger means
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64 effectively infinity */
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65
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66 Lisp_Object Vprint_length;
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67 Lisp_Object Qprint_length;
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68
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69 /* Maximum length of string to print in full; noninteger means
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70 effectively infinity */
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71
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72 Lisp_Object Vprint_string_length;
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73 Lisp_Object Qprint_string_length;
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74
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75 /* Maximum depth of list to print in full; noninteger means
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76 effectively infinity. */
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77
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78 Lisp_Object Vprint_level;
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79
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80 /* Label to use when making echo-area messages. */
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81
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82 Lisp_Object Vprint_message_label;
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83
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84 /* Nonzero means print newlines in strings as \n. */
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85
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86 int print_escape_newlines;
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87 int print_readably;
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245
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88
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89 /* Non-nil means print #: before uninterned symbols.
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90 Neither t nor nil means so that and don't clear Vprint_gensym_alist
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91 on entry to and exit from print functions. */
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92 Lisp_Object Vprint_gensym;
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93 Lisp_Object Vprint_gensym_alist;
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0
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94
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95 Lisp_Object Qprint_escape_newlines;
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96 Lisp_Object Qprint_readably;
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97
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171
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98 Lisp_Object Qdisplay_error;
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99 Lisp_Object Qprint_message_label;
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100
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0
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101 /* Force immediate output of all printed data. Used for debugging. */
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102 int print_unbuffered;
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103
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104 FILE *termscript; /* Stdio stream being used for copy of all output. */
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105
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106
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107
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108 int stdout_needs_newline;
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109
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110 /* Write a string (in internal format) to stdio stream STREAM. */
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173
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111
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0
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112 void
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113 write_string_to_stdio_stream (FILE *stream, struct console *con,
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114 CONST Bufbyte *str,
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115 Bytecount offset, Bytecount len,
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116 enum external_data_format fmt)
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117 {
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118 int extlen;
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119 CONST Extbyte *extptr;
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120
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121 GET_CHARPTR_EXT_DATA_ALLOCA (str + offset, len, fmt, extptr, extlen);
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122 if (stream)
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282
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123 {
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124 fwrite (extptr, 1, extlen, stream);
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125 #ifdef WINDOWSNT
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126 /* Q122442 says that pipes are "treated as files, not as
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127 devices", and that this is a feature. Before I found that
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128 article, I thought it was a bug. Thanks MS, I feel much
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129 better now. - kkm */
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130 if (stream == stdout || stream == stderr)
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131 fflush (stream);
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132 #endif
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133 }
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0
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134 else
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135 {
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136 assert (CONSOLE_TTY_P (con));
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137 Lstream_write (XLSTREAM (CONSOLE_TTY_DATA (con)->outstream),
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138 extptr, extlen);
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139 }
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140 if (stream == stdout || stream == stderr ||
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141 (!stream && CONSOLE_TTY_DATA (con)->is_stdio))
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142 {
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143 if (termscript)
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144 {
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145 fwrite (extptr, 1, extlen, termscript);
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146 fflush (termscript);
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147 }
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148 stdout_needs_newline = (extptr[extlen - 1] != '\n');
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149 }
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150 }
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151
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152 /* Write a string to the output location specified in FUNCTION.
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153 Arguments NONRELOC, RELOC, OFFSET, and LEN are as in
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154 buffer_insert_string_1() in insdel.c. */
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155
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156 static void
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157 output_string (Lisp_Object function, CONST Bufbyte *nonreloc,
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158 Lisp_Object reloc, Bytecount offset, Bytecount len)
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159 {
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160 /* This function can GC */
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278
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161 Charcount cclen;
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0
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162 /* We change the value of nonreloc (fetching it from reloc as
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163 necessary), but we don't want to pass this changed value on to
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164 other functions that take both a nonreloc and a reloc, or things
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165 may get confused and an assertion failure in
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166 fixup_internal_substring() may get triggered. */
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167 CONST Bufbyte *newnonreloc = nonreloc;
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168 struct gcpro gcpro1, gcpro2;
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169
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380
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170 /* Emacs won't print while GCing, but an external debugger might */
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0
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171 if (gc_in_progress) return;
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172
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173 /* Perhaps not necessary but probably safer. */
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174 GCPRO2 (function, reloc);
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175
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176 fixup_internal_substring (newnonreloc, reloc, offset, &len);
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177
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178 if (STRINGP (reloc))
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16
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179 newnonreloc = XSTRING_DATA (reloc);
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0
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180
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181 cclen = bytecount_to_charcount (newnonreloc + offset, len);
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182
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183 if (LSTREAMP (function))
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184 {
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185 if (STRINGP (reloc))
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186 {
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276
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187 /* Protect against Lstream_write() causing a GC and
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188 relocating the string. For small strings, we do it by
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189 alloc'ing the string and using a copy; for large strings,
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278
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190 we inhibit GC. */
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276
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191 if (len < 65536)
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192 {
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193 Bufbyte *copied = alloca_array (Bufbyte, len);
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194 memcpy (copied, newnonreloc + offset, len);
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195 Lstream_write (XLSTREAM (function), copied, len);
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196 }
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197 else
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198 {
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199 int speccount = specpdl_depth ();
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200 record_unwind_protect (restore_gc_inhibit,
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201 make_int (gc_currently_forbidden));
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202 gc_currently_forbidden = 1;
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203 Lstream_write (XLSTREAM (function), newnonreloc + offset, len);
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204 unbind_to (speccount, Qnil);
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205 }
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0
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206 }
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207 else
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208 Lstream_write (XLSTREAM (function), newnonreloc + offset, len);
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209
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210 if (print_unbuffered)
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211 Lstream_flush (XLSTREAM (function));
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212 }
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213 else if (BUFFERP (function))
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214 {
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215 CHECK_LIVE_BUFFER (function);
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216 buffer_insert_string (XBUFFER (function), nonreloc, reloc, offset, len);
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217 }
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218 else if (MARKERP (function))
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219 {
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278
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220 /* marker_position() will err if marker doesn't point anywhere. */
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0
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221 Bufpos spoint = marker_position (function);
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222
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278
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223 buffer_insert_string_1 (XMARKER (function)->buffer,
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0
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224 spoint, nonreloc, reloc, offset, len,
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225 0);
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226 Fset_marker (function, make_int (spoint + cclen),
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227 Fmarker_buffer (function));
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228 }
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229 else if (FRAMEP (function))
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230 {
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278
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231 /* This gets used by functions not invoking print_prepare(),
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280
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232 such as Fwrite_char, Fterpri, etc.. */
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0
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233 struct frame *f = XFRAME (function);
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278
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234 CHECK_LIVE_FRAME (function);
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235
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0
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236 if (!EQ (Vprint_message_label, echo_area_status (f)))
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237 clear_echo_area_from_print (f, Qnil, 1);
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238 echo_area_append (f, nonreloc, reloc, offset, len, Vprint_message_label);
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239 }
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240 else if (EQ (function, Qt) || EQ (function, Qnil))
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241 {
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242 write_string_to_stdio_stream (stdout, 0, newnonreloc, offset, len,
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16
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243 FORMAT_TERMINAL);
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0
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244 }
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245 else
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246 {
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278
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247 Charcount ccoff = bytecount_to_charcount (newnonreloc, offset);
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0
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248 Charcount iii;
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249
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250 for (iii = ccoff; iii < cclen + ccoff; iii++)
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251 {
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252 call1 (function,
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253 make_char (charptr_emchar_n (newnonreloc, iii)));
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254 if (STRINGP (reloc))
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16
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255 newnonreloc = XSTRING_DATA (reloc);
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0
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256 }
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257 }
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258
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259 UNGCPRO;
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260 }
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278
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261
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262 #define RESET_PRINT_GENSYM do { \
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263 if (!CONSP (Vprint_gensym)) \
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264 Vprint_gensym_alist = Qnil; \
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265 } while (0)
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0
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266
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267 static Lisp_Object
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268 canonicalize_printcharfun (Lisp_Object printcharfun)
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269 {
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270 if (NILP (printcharfun))
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271 printcharfun = Vstandard_output;
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272
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273 if (EQ (printcharfun, Qt) || NILP (printcharfun))
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278
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274 printcharfun = Fselected_frame (Qnil); /* print to minibuffer */
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275
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173
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276 return printcharfun;
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0
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277 }
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278
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279 static Lisp_Object
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278
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280 print_prepare (Lisp_Object printcharfun, Lisp_Object *frame_kludge)
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0
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281 {
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380
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282 /* Emacs won't print while GCing, but an external debugger might */
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0
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283 if (gc_in_progress)
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173
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284 return Qnil;
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0
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285
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278
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286 RESET_PRINT_GENSYM;
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287
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0
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288 printcharfun = canonicalize_printcharfun (printcharfun);
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278
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289
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290 /* Here we could safely return the canonicalized PRINTCHARFUN.
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291 However, if PRINTCHARFUN is a frame, printing of complex
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292 structures becomes very expensive, because `append-message'
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293 (called by echo_area_append) gets called as many times as
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294 output_string() is called (and that's a *lot*). append-message
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295 tries to keep top of the message-stack in sync with the contents
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296 of " *Echo Area" buffer, consing a new string for each component
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297 of the printed structure. For instance, if you print (a a),
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298 append-message will cons up the following strings:
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299
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300 "("
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301 "(a"
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302 "(a "
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303 "(a a"
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304 "(a a)"
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305
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306 and will use only the last one. With larger objects, this turns
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307 into an O(n^2) consing frenzy that locks up XEmacs in incessant
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308 garbage collection.
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309
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310 We prevent this by creating a resizing_buffer stream and letting
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311 the printer write into it. print_finish() will notice this
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312 stream, and invoke echo_area_append() with the stream's buffer,
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313 only once. */
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314 if (FRAMEP (printcharfun))
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315 {
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316 CHECK_LIVE_FRAME (printcharfun);
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317 *frame_kludge = printcharfun;
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318 printcharfun = make_resizing_buffer_output_stream ();
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319 }
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173
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320
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276
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321 return printcharfun;
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0
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322 }
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323
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324 static void
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278
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325 print_finish (Lisp_Object stream, Lisp_Object frame_kludge)
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0
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326 {
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380
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327 /* Emacs won't print while GCing, but an external debugger might */
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0
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328 if (gc_in_progress)
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329 return;
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330
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278
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331 RESET_PRINT_GENSYM;
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332
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333 /* See the comment in print_prepare(). */
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334 if (FRAMEP (frame_kludge))
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335 {
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336 struct frame *f = XFRAME (frame_kludge);
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337 Lstream *str = XLSTREAM (stream);
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338 CHECK_LIVE_FRAME (frame_kludge);
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339
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340 Lstream_flush (str);
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341 if (!EQ (Vprint_message_label, echo_area_status (f)))
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342 clear_echo_area_from_print (f, Qnil, 1);
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343 echo_area_append (f, resizing_buffer_stream_ptr (str),
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344 Qnil, 0, Lstream_byte_count (str),
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380
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345 Vprint_message_label);
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278
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346 Lstream_delete (str);
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347 }
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0
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348 }
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280
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349
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350 /* Used for printing a single-byte character (*not* any Emchar). */
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278
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351 #define write_char_internal(string_of_length_1, stream) \
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280
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352 output_string (stream, (CONST Bufbyte *) (string_of_length_1), \
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278
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353 Qnil, 0, 1)
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0
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354
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280
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355 /* NOTE: Do not call this with the data of a Lisp_String, as
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356 printcharfun might cause a GC, which might cause the string's data
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357 to be relocated. To princ a Lisp string, use:
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358
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359 print_internal (string, printcharfun, 0);
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360
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361 Also note that STREAM should be the result of
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362 canonicalize_printcharfun() (i.e. Qnil means stdout, not
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363 Vstandard_output, etc.) */
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0
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364 void
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365 write_string_1 (CONST Bufbyte *str, Bytecount size, Lisp_Object stream)
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366 {
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367 /* This function can GC */
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278
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368 #ifdef ERROR_CHECK_BUFPOS
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0
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369 assert (size >= 0);
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278
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370 #endif
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0
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371 output_string (stream, str, Qnil, 0, size);
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372 }
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373
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374 void
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375 write_c_string (CONST char *str, Lisp_Object stream)
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376 {
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377 /* This function can GC */
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378 write_string_1 ((CONST Bufbyte *) str, strlen (str), stream);
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379 }
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380
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381
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20
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382 DEFUN ("write-char", Fwrite_char, 1, 2, 0, /*
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0
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383 Output character CH to stream STREAM.
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384 STREAM defaults to the value of `standard-output' (which see).
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20
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385 */
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386 (ch, stream))
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0
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387 {
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388 /* This function can GC */
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389 Bufbyte str[MAX_EMCHAR_LEN];
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390 Bytecount len;
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391
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392 CHECK_CHAR_COERCE_INT (ch);
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393 len = set_charptr_emchar (str, XCHAR (ch));
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394 output_string (canonicalize_printcharfun (stream), str, Qnil, 0, len);
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395 return ch;
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396 }
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397
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398 void
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380
|
399 temp_output_buffer_setup (Lisp_Object bufname)
|
|
0
|
400 {
|
|
|
401 /* This function can GC */
|
|
|
402 struct buffer *old = current_buffer;
|
|
|
403 Lisp_Object buf;
|
|
|
404
|
|
|
405 #ifdef I18N3
|
|
|
406 /* #### This function should accept a Lisp_Object instead of a char *,
|
|
|
407 so that proper translation on the buffer name can occur. */
|
|
|
408 #endif
|
|
|
409
|
|
380
|
410 Fset_buffer (Fget_buffer_create (bufname));
|
|
0
|
411
|
|
|
412 current_buffer->read_only = Qnil;
|
|
223
|
413 Ferase_buffer (Qnil);
|
|
0
|
414
|
|
|
415 XSETBUFFER (buf, current_buffer);
|
|
|
416 specbind (Qstandard_output, buf);
|
|
|
417
|
|
|
418 set_buffer_internal (old);
|
|
|
419 }
|
|
|
420
|
|
|
421 Lisp_Object
|
|
380
|
422 internal_with_output_to_temp_buffer (Lisp_Object bufname,
|
|
0
|
423 Lisp_Object (*function) (Lisp_Object arg),
|
|
173
|
424 Lisp_Object arg,
|
|
0
|
425 Lisp_Object same_frame)
|
|
|
426 {
|
|
|
427 int speccount = specpdl_depth ();
|
|
|
428 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
|
429 Lisp_Object buf = Qnil;
|
|
|
430
|
|
|
431 GCPRO3 (buf, arg, same_frame);
|
|
|
432
|
|
380
|
433 temp_output_buffer_setup (bufname);
|
|
0
|
434 buf = Vstandard_output;
|
|
|
435
|
|
|
436 arg = (*function) (arg);
|
|
|
437
|
|
|
438 temp_output_buffer_show (buf, same_frame);
|
|
|
439 UNGCPRO;
|
|
|
440
|
|
|
441 return unbind_to (speccount, arg);
|
|
|
442 }
|
|
|
443
|
|
20
|
444 DEFUN ("with-output-to-temp-buffer", Fwith_output_to_temp_buffer, 1, UNEVALLED, 0, /*
|
|
0
|
445 Bind `standard-output' to buffer BUFNAME, eval BODY, then show that buffer.
|
|
|
446 The buffer is cleared out initially, and marked as unmodified when done.
|
|
|
447 All output done by BODY is inserted in that buffer by default.
|
|
|
448 The buffer is displayed in another window, but not selected.
|
|
|
449 The value of the last form in BODY is returned.
|
|
|
450 If BODY does not finish normally, the buffer BUFNAME is not displayed.
|
|
|
451
|
|
|
452 If variable `temp-buffer-show-function' is non-nil, call it at the end
|
|
|
453 to get the buffer displayed. It gets one argument, the buffer to display.
|
|
20
|
454 */
|
|
|
455 (args))
|
|
0
|
456 {
|
|
|
457 /* This function can GC */
|
|
380
|
458 Lisp_Object name = Qnil;
|
|
0
|
459 int speccount = specpdl_depth ();
|
|
380
|
460 struct gcpro gcpro1, gcpro2;
|
|
|
461 Lisp_Object val = Qnil;
|
|
0
|
462
|
|
|
463 #ifdef I18N3
|
|
|
464 /* #### should set the buffer to be translating. See print_internal(). */
|
|
|
465 #endif
|
|
|
466
|
|
380
|
467 GCPRO2 (name, val);
|
|
272
|
468 name = Feval (XCAR (args));
|
|
0
|
469
|
|
|
470 CHECK_STRING (name);
|
|
380
|
471
|
|
|
472 temp_output_buffer_setup (name);
|
|
|
473 UNGCPRO;
|
|
0
|
474
|
|
272
|
475 val = Fprogn (XCDR (args));
|
|
0
|
476
|
|
272
|
477 temp_output_buffer_show (Vstandard_output, Qnil);
|
|
0
|
478
|
|
|
479 return unbind_to (speccount, val);
|
|
|
480 }
|
|
|
481
|
|
20
|
482 DEFUN ("terpri", Fterpri, 0, 1, 0, /*
|
|
0
|
483 Output a newline to STREAM.
|
|
|
484 If STREAM is omitted or nil, the value of `standard-output' is used.
|
|
20
|
485 */
|
|
|
486 (stream))
|
|
0
|
487 {
|
|
|
488 /* This function can GC */
|
|
280
|
489 write_char_internal ("\n", canonicalize_printcharfun (stream));
|
|
0
|
490 return Qt;
|
|
|
491 }
|
|
|
492
|
|
20
|
493 DEFUN ("prin1", Fprin1, 1, 2, 0, /*
|
|
0
|
494 Output the printed representation of OBJECT, any Lisp object.
|
|
|
495 Quoting characters are printed when needed to make output that `read'
|
|
|
496 can handle, whenever this is possible.
|
|
|
497 Output stream is STREAM, or value of `standard-output' (which see).
|
|
20
|
498 */
|
|
|
499 (object, stream))
|
|
0
|
500 {
|
|
|
501 /* This function can GC */
|
|
280
|
502 Lisp_Object frame = Qnil;
|
|
|
503 struct gcpro gcpro1, gcpro2;
|
|
|
504 GCPRO2 (object, stream);
|
|
0
|
505
|
|
|
506 print_depth = 0;
|
|
280
|
507 stream = print_prepare (stream, &frame);
|
|
|
508 print_internal (object, stream, 1);
|
|
|
509 print_finish (stream, frame);
|
|
|
510
|
|
0
|
511 UNGCPRO;
|
|
|
512 return object;
|
|
|
513 }
|
|
|
514
|
|
20
|
515 DEFUN ("prin1-to-string", Fprin1_to_string, 1, 2, 0, /*
|
|
0
|
516 Return a string containing the printed representation of OBJECT,
|
|
|
517 any Lisp object. Quoting characters are used when needed to make output
|
|
|
518 that `read' can handle, whenever this is possible, unless the optional
|
|
|
519 second argument NOESCAPE is non-nil.
|
|
20
|
520 */
|
|
|
521 (object, noescape))
|
|
0
|
522 {
|
|
|
523 /* This function can GC */
|
|
280
|
524 Lisp_Object result = Qnil;
|
|
|
525 Lisp_Object stream = make_resizing_buffer_output_stream ();
|
|
|
526 Lstream *str = XLSTREAM (stream);
|
|
|
527 /* gcpro OBJECT in case a caller forgot to do so */
|
|
|
528 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
|
529 GCPRO3 (object, stream, result);
|
|
219
|
530
|
|
0
|
531 print_depth = 0;
|
|
278
|
532 RESET_PRINT_GENSYM;
|
|
|
533 print_internal (object, stream, NILP (noescape));
|
|
|
534 RESET_PRINT_GENSYM;
|
|
|
535 Lstream_flush (str);
|
|
0
|
536 UNGCPRO;
|
|
280
|
537 result = make_string (resizing_buffer_stream_ptr (str),
|
|
|
538 Lstream_byte_count (str));
|
|
|
539 Lstream_delete (str);
|
|
|
540 return result;
|
|
0
|
541 }
|
|
|
542
|
|
20
|
543 DEFUN ("princ", Fprinc, 1, 2, 0, /*
|
|
0
|
544 Output the printed representation of OBJECT, any Lisp object.
|
|
|
545 No quoting characters are used; no delimiters are printed around
|
|
|
546 the contents of strings.
|
|
|
547 Output stream is STREAM, or value of standard-output (which see).
|
|
20
|
548 */
|
|
280
|
549 (object, stream))
|
|
0
|
550 {
|
|
|
551 /* This function can GC */
|
|
280
|
552 Lisp_Object frame = Qnil;
|
|
|
553 struct gcpro gcpro1, gcpro2;
|
|
0
|
554
|
|
280
|
555 GCPRO2 (object, stream);
|
|
|
556 stream = print_prepare (stream, &frame);
|
|
0
|
557 print_depth = 0;
|
|
280
|
558 print_internal (object, stream, 0);
|
|
|
559 print_finish (stream, frame);
|
|
0
|
560 UNGCPRO;
|
|
280
|
561 return object;
|
|
0
|
562 }
|
|
|
563
|
|
20
|
564 DEFUN ("print", Fprint, 1, 2, 0, /*
|
|
0
|
565 Output the printed representation of OBJECT, with newlines around it.
|
|
|
566 Quoting characters are printed when needed to make output that `read'
|
|
|
567 can handle, whenever this is possible.
|
|
|
568 Output stream is STREAM, or value of `standard-output' (which see).
|
|
20
|
569 */
|
|
280
|
570 (object, stream))
|
|
0
|
571 {
|
|
|
572 /* This function can GC */
|
|
280
|
573 Lisp_Object frame = Qnil;
|
|
|
574 struct gcpro gcpro1, gcpro2;
|
|
0
|
575
|
|
280
|
576 GCPRO2 (object, stream);
|
|
|
577 stream = print_prepare (stream, &frame);
|
|
0
|
578 print_depth = 0;
|
|
280
|
579 write_char_internal ("\n", stream);
|
|
|
580 print_internal (object, stream, 1);
|
|
|
581 write_char_internal ("\n", stream);
|
|
|
582 print_finish (stream, frame);
|
|
0
|
583 UNGCPRO;
|
|
280
|
584 return object;
|
|
0
|
585 }
|
|
|
586
|
|
280
|
587 /* Print an error message for the error DATA to STREAM. This is a
|
|
|
588 complete implementation of `display-error', which used to be in
|
|
|
589 Lisp (see prim/cmdloop.el). It was ported to C so it can be used
|
|
|
590 efficiently by Ferror_message_string. Fdisplay_error and
|
|
|
591 Ferror_message_string are trivial wrappers around this function.
|
|
219
|
592
|
|
280
|
593 STREAM should be the result of canonicalize_printcharfun(). */
|
|
171
|
594 static void
|
|
|
595 print_error_message (Lisp_Object error_object, Lisp_Object stream)
|
|
100
|
596 {
|
|
171
|
597 /* This function can GC */
|
|
280
|
598 Lisp_Object type = Fcar_safe (error_object);
|
|
171
|
599 Lisp_Object method = Qnil;
|
|
280
|
600 Lisp_Object tail;
|
|
171
|
601
|
|
280
|
602 /* No need to GCPRO anything under the assumption that ERROR_OBJECT
|
|
|
603 is GCPRO'd. */
|
|
171
|
604
|
|
|
605 if (! (CONSP (error_object) && SYMBOLP (type)
|
|
|
606 && CONSP (Fget (type, Qerror_conditions, Qnil))))
|
|
|
607 goto error_throw;
|
|
100
|
608
|
|
171
|
609 tail = XCDR (error_object);
|
|
|
610 while (!NILP (tail))
|
|
|
611 {
|
|
|
612 if (CONSP (tail))
|
|
|
613 tail = XCDR (tail);
|
|
|
614 else
|
|
|
615 goto error_throw;
|
|
|
616 }
|
|
|
617 tail = Fget (type, Qerror_conditions, Qnil);
|
|
|
618 while (!NILP (tail))
|
|
100
|
619 {
|
|
171
|
620 if (!(CONSP (tail) && SYMBOLP (XCAR (tail))))
|
|
|
621 goto error_throw;
|
|
|
622 else if (!NILP (Fget (XCAR (tail), Qdisplay_error, Qnil)))
|
|
|
623 {
|
|
|
624 method = Fget (XCAR (tail), Qdisplay_error, Qnil);
|
|
|
625 goto error_throw;
|
|
|
626 }
|
|
|
627 else
|
|
|
628 tail = XCDR (tail);
|
|
|
629 }
|
|
|
630 /* Default method */
|
|
|
631 {
|
|
|
632 int first = 1;
|
|
|
633 int speccount = specpdl_depth ();
|
|
|
634
|
|
|
635 specbind (Qprint_message_label, Qerror);
|
|
|
636 tail = Fcdr (error_object);
|
|
|
637 if (EQ (type, Qerror))
|
|
|
638 {
|
|
280
|
639 print_internal (Fcar (tail), stream, 0);
|
|
171
|
640 tail = Fcdr (tail);
|
|
|
641 }
|
|
|
642 else
|
|
|
643 {
|
|
|
644 Lisp_Object errmsg = Fget (type, Qerror_message, Qnil);
|
|
|
645 if (NILP (errmsg))
|
|
280
|
646 print_internal (type, stream, 0);
|
|
171
|
647 else
|
|
280
|
648 print_internal (LISP_GETTEXT (errmsg), stream, 0);
|
|
171
|
649 }
|
|
|
650 while (!NILP (tail))
|
|
|
651 {
|
|
280
|
652 write_c_string (first ? ": " : ", ", stream);
|
|
|
653 print_internal (Fcar (tail), stream, 1);
|
|
171
|
654 tail = Fcdr (tail);
|
|
|
655 first = 0;
|
|
|
656 }
|
|
|
657 unbind_to (speccount, Qnil);
|
|
|
658 return;
|
|
280
|
659 /* not reached */
|
|
171
|
660 }
|
|
|
661
|
|
|
662 error_throw:
|
|
|
663 if (NILP (method))
|
|
|
664 {
|
|
280
|
665 write_c_string (GETTEXT ("Peculiar error "), stream);
|
|
|
666 print_internal (error_object, stream, 1);
|
|
171
|
667 return;
|
|
100
|
668 }
|
|
|
669 else
|
|
|
670 {
|
|
171
|
671 call2 (method, error_object, stream);
|
|
100
|
672 }
|
|
171
|
673 }
|
|
100
|
674
|
|
280
|
675 DEFUN ("error-message-string", Ferror_message_string, 1, 1, 0, /*
|
|
|
676 Convert ERROR-OBJECT to an error message, and return it.
|
|
|
677
|
|
|
678 The format of ERROR-OBJECT should be (ERROR-SYMBOL . DATA). The
|
|
|
679 message is equivalent to the one that would be issued by
|
|
|
680 `display-error' with the same argument.
|
|
|
681 */
|
|
|
682 (error_object))
|
|
|
683 {
|
|
|
684 /* This function can GC */
|
|
|
685 Lisp_Object result = Qnil;
|
|
|
686 Lisp_Object stream = make_resizing_buffer_output_stream ();
|
|
|
687 struct gcpro gcpro1;
|
|
|
688 GCPRO1 (stream);
|
|
|
689
|
|
|
690 print_error_message (error_object, stream);
|
|
|
691 Lstream_flush (XLSTREAM (stream));
|
|
|
692 result = make_string (resizing_buffer_stream_ptr (XLSTREAM (stream)),
|
|
|
693 Lstream_byte_count (XLSTREAM (stream)));
|
|
|
694 Lstream_delete (XLSTREAM (stream));
|
|
|
695
|
|
|
696 UNGCPRO;
|
|
|
697 return result;
|
|
|
698 }
|
|
|
699
|
|
171
|
700 DEFUN ("display-error", Fdisplay_error, 2, 2, 0, /*
|
|
280
|
701 Display ERROR-OBJECT on STREAM in a user-friendly way.
|
|
171
|
702 */
|
|
|
703 (error_object, stream))
|
|
|
704 {
|
|
|
705 /* This function can GC */
|
|
280
|
706 print_error_message (error_object, canonicalize_printcharfun (stream));
|
|
171
|
707 return Qnil;
|
|
|
708 }
|
|
100
|
709
|
|
|
710
|
|
0
|
711 #ifdef LISP_FLOAT_TYPE
|
|
|
712
|
|
|
713 Lisp_Object Vfloat_output_format;
|
|
|
714 Lisp_Object Qfloat_output_format;
|
|
|
715
|
|
|
716 /*
|
|
|
717 * This buffer should be at least as large as the max string size of the
|
|
|
718 * largest float, printed in the biggest notation. This is undoubtably
|
|
|
719 * 20d float_output_format, with the negative of the C-constant "HUGE"
|
|
|
720 * from <math.h>.
|
|
173
|
721 *
|
|
0
|
722 * On the vax the worst case is -1e38 in 20d format which takes 61 bytes.
|
|
173
|
723 *
|
|
0
|
724 * I assume that IEEE-754 format numbers can take 329 bytes for the worst
|
|
|
725 * case of -1e307 in 20d float_output_format. What is one to do (short of
|
|
|
726 * re-writing _doprnt to be more sane)?
|
|
|
727 * -wsr
|
|
|
728 */
|
|
280
|
729 void
|
|
|
730 float_to_string (char *buf, double data)
|
|
0
|
731 {
|
|
|
732 Bufbyte *cp, c;
|
|
|
733 int width;
|
|
173
|
734
|
|
0
|
735 if (NILP (Vfloat_output_format)
|
|
|
736 || !STRINGP (Vfloat_output_format))
|
|
|
737 lose:
|
|
|
738 sprintf (buf, "%.16g", data);
|
|
|
739 else /* oink oink */
|
|
|
740 {
|
|
|
741 /* Check that the spec we have is fully valid.
|
|
|
742 This means not only valid for printf,
|
|
|
743 but meant for floats, and reasonable. */
|
|
16
|
744 cp = XSTRING_DATA (Vfloat_output_format);
|
|
0
|
745
|
|
|
746 if (cp[0] != '%')
|
|
|
747 goto lose;
|
|
|
748 if (cp[1] != '.')
|
|
|
749 goto lose;
|
|
|
750
|
|
|
751 cp += 2;
|
|
|
752 for (width = 0; (c = *cp, isdigit (c)); cp++)
|
|
|
753 {
|
|
|
754 width *= 10;
|
|
|
755 width += c - '0';
|
|
|
756 }
|
|
|
757
|
|
173
|
758 if (*cp != 'e' && *cp != 'f' && *cp != 'g' && *cp != 'E' && *cp != 'G')
|
|
0
|
759 goto lose;
|
|
|
760
|
|
|
761 if (width < (int) (*cp != 'e' && *cp != 'E') || width > DBL_DIG)
|
|
|
762 goto lose;
|
|
|
763
|
|
|
764 if (cp[1] != 0)
|
|
|
765 goto lose;
|
|
|
766
|
|
16
|
767 sprintf (buf, (char *) XSTRING_DATA (Vfloat_output_format),
|
|
0
|
768 data);
|
|
|
769 }
|
|
|
770
|
|
|
771 /* added by jwz: don't allow "1.0" to print as "1"; that destroys
|
|
|
772 the read-equivalence of lisp objects. (* x 1) and (* x 1.0) do
|
|
|
773 not do the same thing, so it's important that the printed
|
|
|
774 representation of that form not be corrupted by the printer.
|
|
|
775 */
|
|
|
776 {
|
|
|
777 Bufbyte *s = (Bufbyte *) buf; /* don't use signed chars here!
|
|
|
778 isdigit() can't hack them! */
|
|
|
779 if (*s == '-') s++;
|
|
|
780 for (; *s; s++)
|
|
|
781 /* if there's a non-digit, then there is a decimal point, or
|
|
|
782 it's in exponential notation, both of which are ok. */
|
|
|
783 if (!isdigit (*s))
|
|
|
784 goto DONE_LABEL;
|
|
|
785 /* otherwise, we need to hack it. */
|
|
|
786 *s++ = '.';
|
|
|
787 *s++ = '0';
|
|
|
788 *s = 0;
|
|
|
789 }
|
|
|
790 DONE_LABEL:
|
|
|
791
|
|
|
792 /* Some machines print "0.4" as ".4". I don't like that. */
|
|
|
793 if (buf [0] == '.' || (buf [0] == '-' && buf [1] == '.'))
|
|
|
794 {
|
|
|
795 int i;
|
|
|
796 for (i = strlen (buf) + 1; i >= 0; i--)
|
|
|
797 buf [i+1] = buf [i];
|
|
|
798 buf [(buf [0] == '-' ? 1 : 0)] = '0';
|
|
|
799 }
|
|
|
800 }
|
|
|
801 #endif /* LISP_FLOAT_TYPE */
|
|
278
|
802
|
|
|
803 /* Print NUMBER to BUFFER. The digits are first written in reverse
|
|
|
804 order (the least significant digit first), and are then reversed.
|
|
|
805 This is equivalent to sprintf(buffer, "%ld", number), only much
|
|
280
|
806 faster.
|
|
|
807
|
|
|
808 BUFFER should accept 24 bytes. This should suffice for the longest
|
|
|
809 numbers on 64-bit machines. */
|
|
278
|
810 void
|
|
|
811 long_to_string (char *buffer, long number)
|
|
|
812 {
|
|
|
813 char *p;
|
|
280
|
814 int i, len;
|
|
278
|
815
|
|
|
816 if (number < 0)
|
|
|
817 {
|
|
|
818 *buffer++ = '-';
|
|
|
819 number = -number;
|
|
|
820 }
|
|
|
821 p = buffer;
|
|
280
|
822
|
|
278
|
823 /* Print the digits to the string. */
|
|
|
824 do
|
|
|
825 {
|
|
|
826 *p++ = number % 10 + '0';
|
|
|
827 number /= 10;
|
|
|
828 }
|
|
|
829 while (number);
|
|
280
|
830
|
|
278
|
831 /* And reverse them. */
|
|
280
|
832 len = p - buffer - 1;
|
|
|
833 for (i = len / 2; i >= 0; i--)
|
|
278
|
834 {
|
|
|
835 char c = buffer[i];
|
|
280
|
836 buffer[i] = buffer[len - i];
|
|
|
837 buffer[len - i] = c;
|
|
278
|
838 }
|
|
280
|
839 buffer[len + 1] = '\0';
|
|
278
|
840 }
|
|
0
|
841
|
|
|
842 static void
|
|
|
843 print_vector_internal (CONST char *start, CONST char *end,
|
|
173
|
844 Lisp_Object obj,
|
|
0
|
845 Lisp_Object printcharfun, int escapeflag)
|
|
|
846 {
|
|
|
847 /* This function can GC */
|
|
|
848 int i;
|
|
173
|
849 int len = XVECTOR_LENGTH (obj);
|
|
0
|
850 int last = len;
|
|
|
851 struct gcpro gcpro1, gcpro2;
|
|
|
852 GCPRO2 (obj, printcharfun);
|
|
|
853
|
|
|
854 if (INTP (Vprint_length))
|
|
|
855 {
|
|
|
856 int max = XINT (Vprint_length);
|
|
|
857 if (max < len) last = max;
|
|
|
858 }
|
|
|
859
|
|
|
860 write_c_string (start, printcharfun);
|
|
|
861 for (i = 0; i < last; i++)
|
|
|
862 {
|
|
173
|
863 Lisp_Object elt = XVECTOR_DATA (obj)[i];
|
|
0
|
864 if (i != 0) write_char_internal (" ", printcharfun);
|
|
|
865 print_internal (elt, printcharfun, escapeflag);
|
|
|
866 }
|
|
|
867 UNGCPRO;
|
|
|
868 if (last != len)
|
|
|
869 write_c_string (" ...", printcharfun);
|
|
|
870 write_c_string (end, printcharfun);
|
|
|
871 }
|
|
|
872
|
|
207
|
873 void
|
|
|
874 print_cons (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
|
875 {
|
|
|
876 /* This function can GC */
|
|
|
877 struct gcpro gcpro1, gcpro2;
|
|
|
878
|
|
|
879 /* If print_readably is on, print (quote -foo-) as '-foo-
|
|
|
880 (Yeah, this should really be what print-pretty does, but we
|
|
|
881 don't have the rest of a pretty printer, and this actually
|
|
|
882 has non-negligible impact on size/speed of .elc files.)
|
|
|
883 */
|
|
|
884 if (print_readably &&
|
|
|
885 EQ (XCAR (obj), Qquote) &&
|
|
|
886 CONSP (XCDR (obj)) &&
|
|
|
887 NILP (XCDR (XCDR (obj))))
|
|
|
888 {
|
|
|
889 obj = XCAR (XCDR (obj));
|
|
|
890 GCPRO2 (obj, printcharfun);
|
|
280
|
891 write_char_internal ("\'", printcharfun);
|
|
207
|
892 UNGCPRO;
|
|
|
893 print_internal (obj, printcharfun, escapeflag);
|
|
|
894 return;
|
|
|
895 }
|
|
|
896
|
|
|
897 GCPRO2 (obj, printcharfun);
|
|
|
898 write_char_internal ("(", printcharfun);
|
|
280
|
899
|
|
207
|
900 {
|
|
380
|
901 int len;
|
|
|
902 int max = INTP (Vprint_length) ? XINT (Vprint_length) : INT_MAX;
|
|
|
903 Lisp_Object tortoise;
|
|
|
904 /* Use tortoise/hare to make sure circular lists don't infloop */
|
|
207
|
905
|
|
380
|
906 for (tortoise = obj, len = 0;
|
|
|
907 CONSP (obj);
|
|
|
908 obj = XCDR (obj), len++)
|
|
207
|
909 {
|
|
380
|
910 if (len > 0)
|
|
207
|
911 write_char_internal (" ", printcharfun);
|
|
380
|
912 if (EQ (obj, tortoise) && len > 0)
|
|
|
913 {
|
|
|
914 if (print_readably)
|
|
|
915 error ("printing unreadable circular list");
|
|
|
916 else
|
|
|
917 write_c_string ("... <circular list>", printcharfun);
|
|
|
918 break;
|
|
|
919 }
|
|
|
920 if (len & 1)
|
|
|
921 tortoise = XCDR (tortoise);
|
|
|
922 if (len > max)
|
|
207
|
923 {
|
|
|
924 write_c_string ("...", printcharfun);
|
|
|
925 break;
|
|
|
926 }
|
|
380
|
927 print_internal (XCAR (obj), printcharfun, escapeflag);
|
|
207
|
928 }
|
|
|
929 }
|
|
272
|
930 if (!LISTP (obj))
|
|
207
|
931 {
|
|
|
932 write_c_string (" . ", printcharfun);
|
|
|
933 print_internal (obj, printcharfun, escapeflag);
|
|
|
934 }
|
|
|
935 UNGCPRO;
|
|
380
|
936
|
|
207
|
937 write_char_internal (")", printcharfun);
|
|
|
938 return;
|
|
|
939 }
|
|
|
940
|
|
|
941 void
|
|
|
942 print_vector (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
|
943 {
|
|
|
944 print_vector_internal ("[", "]", obj, printcharfun, escapeflag);
|
|
|
945 }
|
|
|
946
|
|
|
947 void
|
|
|
948 print_string (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
|
949 {
|
|
245
|
950 struct Lisp_String *s = XSTRING (obj);
|
|
|
951 /* We distinguish between Bytecounts and Charcounts, to make
|
|
|
952 Vprint_string_length work correctly under Mule. */
|
|
|
953 Charcount size = string_char_length (s);
|
|
|
954 Charcount max = size;
|
|
|
955 Bytecount bcmax = string_length (s);
|
|
207
|
956 struct gcpro gcpro1, gcpro2;
|
|
|
957 GCPRO2 (obj, printcharfun);
|
|
|
958
|
|
|
959 if (INTP (Vprint_string_length) &&
|
|
|
960 XINT (Vprint_string_length) < max)
|
|
245
|
961 {
|
|
|
962 max = XINT (Vprint_string_length);
|
|
|
963 bcmax = charcount_to_bytecount (string_data (s), max);
|
|
|
964 }
|
|
207
|
965 if (max < 0)
|
|
245
|
966 {
|
|
|
967 max = 0;
|
|
|
968 bcmax = 0;
|
|
|
969 }
|
|
207
|
970
|
|
|
971 if (!escapeflag)
|
|
|
972 {
|
|
245
|
973 /* This deals with GC-relocation and Mule. */
|
|
|
974 output_string (printcharfun, 0, obj, 0, bcmax);
|
|
207
|
975 if (max < size)
|
|
|
976 write_c_string (" ...", printcharfun);
|
|
|
977 }
|
|
|
978 else
|
|
|
979 {
|
|
245
|
980 Bytecount i, last = 0;
|
|
207
|
981
|
|
|
982 write_char_internal ("\"", printcharfun);
|
|
245
|
983 for (i = 0; i < bcmax; i++)
|
|
207
|
984 {
|
|
|
985 Bufbyte ch = string_byte (s, i);
|
|
|
986 if (ch == '\"' || ch == '\\'
|
|
|
987 || (ch == '\n' && print_escape_newlines))
|
|
|
988 {
|
|
|
989 if (i > last)
|
|
|
990 {
|
|
|
991 output_string (printcharfun, 0, obj, last,
|
|
|
992 i - last);
|
|
|
993 }
|
|
|
994 if (ch == '\n')
|
|
|
995 {
|
|
|
996 write_c_string ("\\n", printcharfun);
|
|
|
997 }
|
|
|
998 else
|
|
|
999 {
|
|
|
1000 write_char_internal ("\\", printcharfun);
|
|
|
1001 /* This is correct for Mule because the
|
|
|
1002 character is either \ or " */
|
|
278
|
1003 write_char_internal (string_data (s) + i, printcharfun);
|
|
207
|
1004 }
|
|
|
1005 last = i + 1;
|
|
|
1006 }
|
|
|
1007 }
|
|
245
|
1008 if (bcmax > last)
|
|
207
|
1009 {
|
|
|
1010 output_string (printcharfun, 0, obj, last,
|
|
245
|
1011 bcmax - last);
|
|
207
|
1012 }
|
|
|
1013 if (max < size)
|
|
|
1014 write_c_string (" ...", printcharfun);
|
|
|
1015 write_char_internal ("\"", printcharfun);
|
|
|
1016 }
|
|
|
1017 UNGCPRO;
|
|
276
|
1018 }
|
|
207
|
1019
|
|
0
|
1020 static void
|
|
|
1021 default_object_printer (Lisp_Object obj, Lisp_Object printcharfun,
|
|
|
1022 int escapeflag)
|
|
|
1023 {
|
|
|
1024 struct lcrecord_header *header =
|
|
|
1025 (struct lcrecord_header *) XPNTR (obj);
|
|
|
1026 char buf[200];
|
|
|
1027
|
|
|
1028 if (print_readably)
|
|
|
1029 error ("printing unreadable object #<%s 0x%x>",
|
|
211
|
1030 LHEADER_IMPLEMENTATION (&header->lheader)->name,
|
|
|
1031 header->uid);
|
|
0
|
1032
|
|
211
|
1033 sprintf (buf, "#<%s 0x%x>",
|
|
|
1034 LHEADER_IMPLEMENTATION (&header->lheader)->name,
|
|
0
|
1035 header->uid);
|
|
|
1036 write_c_string (buf, printcharfun);
|
|
|
1037 }
|
|
|
1038
|
|
|
1039 void
|
|
|
1040 internal_object_printer (Lisp_Object obj, Lisp_Object printcharfun,
|
|
|
1041 int escapeflag)
|
|
|
1042 {
|
|
|
1043 char buf[200];
|
|
278
|
1044 sprintf (buf, "#<INTERNAL OBJECT (XEmacs bug?) (%s) 0x%lx>",
|
|
211
|
1045 XRECORD_LHEADER_IMPLEMENTATION (obj)->name,
|
|
278
|
1046 (unsigned long) XPNTR (obj));
|
|
0
|
1047 write_c_string (buf, printcharfun);
|
|
|
1048 }
|
|
|
1049
|
|
|
1050 void
|
|
|
1051 print_internal (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
|
1052 {
|
|
|
1053 /* This function can GC */
|
|
|
1054
|
|
|
1055 QUIT;
|
|
|
1056
|
|
380
|
1057 /* Emacs won't print while GCing, but an external debugger might */
|
|
0
|
1058 if (gc_in_progress) return;
|
|
|
1059
|
|
|
1060 #ifdef I18N3
|
|
|
1061 /* #### Both input and output streams should have a flag associated
|
|
|
1062 with them indicating whether output to that stream, or strings
|
|
|
1063 read from the stream, get translated using Fgettext(). Such a
|
|
|
1064 stream is called a "translating stream". For the minibuffer and
|
|
|
1065 external-debugging-output this is always true on output, and
|
|
|
1066 with-output-to-temp-buffer sets the flag to true for the buffer
|
|
|
1067 it creates. This flag should also be user-settable. Perhaps it
|
|
|
1068 should be split up into two flags, one for input and one for
|
|
|
1069 output. */
|
|
|
1070 #endif
|
|
|
1071
|
|
177
|
1072 /* Detect circularities and truncate them.
|
|
|
1073 No need to offer any alternative--this is better than an error. */
|
|
|
1074 if (CONSP (obj) || VECTORP (obj) || COMPILED_FUNCTIONP (obj))
|
|
|
1075 {
|
|
|
1076 int i;
|
|
|
1077 for (i = 0; i < print_depth; i++)
|
|
|
1078 if (EQ (obj, being_printed[i]))
|
|
|
1079 {
|
|
280
|
1080 char buf[32];
|
|
|
1081 *buf = '#';
|
|
|
1082 long_to_string (buf + 1, i);
|
|
177
|
1083 write_c_string (buf, printcharfun);
|
|
|
1084 return;
|
|
|
1085 }
|
|
|
1086 }
|
|
|
1087
|
|
|
1088 being_printed[print_depth] = obj;
|
|
0
|
1089 print_depth++;
|
|
|
1090
|
|
177
|
1091 if (print_depth > PRINT_CIRCLE)
|
|
0
|
1092 error ("Apparently circular structure being printed");
|
|
|
1093
|
|
|
1094 switch (XTYPE (obj))
|
|
|
1095 {
|
|
207
|
1096 #ifdef USE_MINIMAL_TAGBITS
|
|
|
1097 case Lisp_Type_Int_Even:
|
|
|
1098 case Lisp_Type_Int_Odd:
|
|
|
1099 #else
|
|
185
|
1100 case Lisp_Type_Int:
|
|
207
|
1101 #endif
|
|
0
|
1102 {
|
|
280
|
1103 char buf[24];
|
|
276
|
1104 long_to_string (buf, XINT (obj));
|
|
0
|
1105 write_c_string (buf, printcharfun);
|
|
|
1106 break;
|
|
|
1107 }
|
|
|
1108
|
|
185
|
1109 case Lisp_Type_Char:
|
|
70
|
1110 {
|
|
|
1111 /* God intended that this be #\..., you know. */
|
|
280
|
1112 char buf[16];
|
|
70
|
1113 Emchar ch = XCHAR (obj);
|
|
278
|
1114 char *p = buf;
|
|
|
1115 *p++ = '?';
|
|
70
|
1116 if (ch == '\n')
|
|
278
|
1117 *p++ = '\\', *p++ = 'n';
|
|
70
|
1118 else if (ch == '\r')
|
|
278
|
1119 *p++ = '\\', *p++ = 'r';
|
|
70
|
1120 else if (ch == '\t')
|
|
278
|
1121 *p++ = '\\', *p++ = 't';
|
|
|
1122 else if (ch < 32)
|
|
|
1123 {
|
|
|
1124 *p++ = '\\', *p++ = '^';
|
|
|
1125 *p++ = ch + 64;
|
|
|
1126 if ((ch + 64) == '\\')
|
|
|
1127 *p++ = '\\';
|
|
187
|
1128 }
|
|
278
|
1129 else if (ch == 127)
|
|
|
1130 *p++ = '\\', *p++ = '^', *p++ = '?';
|
|
70
|
1131 else if (ch >= 128 && ch < 160)
|
|
|
1132 {
|
|
278
|
1133 *p++ = '\\', *p++ = '^';
|
|
|
1134 p += set_charptr_emchar ((Bufbyte *)p, ch + 64);
|
|
70
|
1135 }
|
|
|
1136 else if (ch < 127
|
|
|
1137 && !isdigit (ch)
|
|
|
1138 && !isalpha (ch)
|
|
|
1139 && ch != '^') /* must not backslash this or it will
|
|
|
1140 be interpreted as the start of a
|
|
|
1141 control char */
|
|
278
|
1142 *p++ = '\\', *p++ = ch;
|
|
70
|
1143 else
|
|
278
|
1144 p += set_charptr_emchar ((Bufbyte *)p, ch);
|
|
|
1145 output_string (printcharfun, (Bufbyte *)buf, Qnil, 0, p - buf);
|
|
70
|
1146 break;
|
|
|
1147 }
|
|
|
1148
|
|
207
|
1149 #ifndef LRECORD_STRING
|
|
185
|
1150 case Lisp_Type_String:
|
|
0
|
1151 {
|
|
278
|
1152 print_string (obj, printcharfun, escapeflag);
|
|
0
|
1153 break;
|
|
|
1154 }
|
|
207
|
1155 #endif /* ! LRECORD_STRING */
|
|
0
|
1156
|
|
207
|
1157 #ifndef LRECORD_CONS
|
|
185
|
1158 case Lisp_Type_Cons:
|
|
0
|
1159 {
|
|
|
1160 struct gcpro gcpro1, gcpro2;
|
|
|
1161
|
|
|
1162 /* If deeper than spec'd depth, print placeholder. */
|
|
|
1163 if (INTP (Vprint_level)
|
|
|
1164 && print_depth > XINT (Vprint_level))
|
|
|
1165 {
|
|
207
|
1166 GCPRO2 (obj, printcharfun);
|
|
0
|
1167 write_c_string ("...", printcharfun);
|
|
|
1168 UNGCPRO;
|
|
|
1169 break;
|
|
|
1170 }
|
|
|
1171
|
|
207
|
1172 print_cons (obj, printcharfun, escapeflag);
|
|
0
|
1173 break;
|
|
|
1174 }
|
|
207
|
1175 #endif /* ! LRECORD_CONS */
|
|
0
|
1176
|
|
|
1177 #ifndef LRECORD_VECTOR
|
|
185
|
1178 case Lisp_Type_Vector:
|
|
0
|
1179 {
|
|
|
1180 /* If deeper than spec'd depth, print placeholder. */
|
|
|
1181 if (INTP (Vprint_level)
|
|
|
1182 && print_depth > XINT (Vprint_level))
|
|
|
1183 {
|
|
278
|
1184 struct gcpro gcpro1, gcpro2;
|
|
207
|
1185 GCPRO2 (obj, printcharfun);
|
|
0
|
1186 write_c_string ("...", printcharfun);
|
|
207
|
1187 UNGCPRO;
|
|
0
|
1188 break;
|
|
|
1189 }
|
|
|
1190
|
|
|
1191 /* God intended that this be #(...), you know. */
|
|
|
1192 print_vector_internal ("[", "]", obj, printcharfun, escapeflag);
|
|
|
1193 break;
|
|
|
1194 }
|
|
|
1195 #endif /* !LRECORD_VECTOR */
|
|
|
1196
|
|
|
1197 #ifndef LRECORD_SYMBOL
|
|
185
|
1198 case Lisp_Type_Symbol:
|
|
0
|
1199 {
|
|
|
1200 print_symbol (obj, printcharfun, escapeflag);
|
|
|
1201 break;
|
|
|
1202 }
|
|
|
1203 #endif /* !LRECORD_SYMBOL */
|
|
|
1204
|
|
185
|
1205 case Lisp_Type_Record:
|
|
0
|
1206 {
|
|
|
1207 struct lrecord_header *lheader = XRECORD_LHEADER (obj);
|
|
|
1208 struct gcpro gcpro1, gcpro2;
|
|
|
1209
|
|
207
|
1210 #if defined(LRECORD_CONS) || defined(LRECORD_VECTOR)
|
|
|
1211 if (CONSP (obj) || VECTORP(obj))
|
|
|
1212 {
|
|
|
1213 /* If deeper than spec'd depth, print placeholder. */
|
|
|
1214 if (INTP (Vprint_level)
|
|
|
1215 && print_depth > XINT (Vprint_level))
|
|
|
1216 {
|
|
|
1217 GCPRO2 (obj, printcharfun);
|
|
|
1218 write_c_string ("...", printcharfun);
|
|
|
1219 UNGCPRO;
|
|
|
1220 break;
|
|
|
1221 }
|
|
|
1222 }
|
|
|
1223 #endif
|
|
|
1224
|
|
0
|
1225 GCPRO2 (obj, printcharfun);
|
|
211
|
1226 if (LHEADER_IMPLEMENTATION (lheader)->printer)
|
|
|
1227 ((LHEADER_IMPLEMENTATION (lheader)->printer)
|
|
0
|
1228 (obj, printcharfun, escapeflag));
|
|
|
1229 else
|
|
|
1230 default_object_printer (obj, printcharfun, escapeflag);
|
|
|
1231 UNGCPRO;
|
|
|
1232 break;
|
|
|
1233 }
|
|
|
1234
|
|
|
1235 default:
|
|
|
1236 {
|
|
284
|
1237 #ifdef ERROR_CHECK_TYPECHECK
|
|
|
1238 abort ();
|
|
|
1239 #else /* not ERROR_CHECK_TYPECHECK */
|
|
280
|
1240 char buf[128];
|
|
284
|
1241 /* We're in trouble if this happens! */
|
|
0
|
1242 if (print_readably)
|
|
|
1243 error ("printing illegal data type #o%03o",
|
|
|
1244 (int) XTYPE (obj));
|
|
|
1245 write_c_string ("#<EMACS BUG: ILLEGAL DATATYPE ",
|
|
|
1246 printcharfun);
|
|
|
1247 sprintf (buf, "(#o%3o)", (int) XTYPE (obj));
|
|
|
1248 write_c_string (buf, printcharfun);
|
|
|
1249 write_c_string
|
|
|
1250 (" Save your buffers immediately and please report this bug>",
|
|
|
1251 printcharfun);
|
|
284
|
1252 #endif /* not ERROR_CHECK_TYPECHECK */
|
|
0
|
1253 break;
|
|
|
1254 }
|
|
|
1255 }
|
|
|
1256
|
|
|
1257 print_depth--;
|
|
|
1258 }
|
|
|
1259
|
|
|
1260
|
|
|
1261 #ifdef LISP_FLOAT_TYPE
|
|
|
1262 void
|
|
|
1263 print_float (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
|
1264 {
|
|
|
1265 char pigbuf[350]; /* see comments in float_to_string */
|
|
|
1266
|
|
380
|
1267 float_to_string (pigbuf, XFLOAT_DATA (obj));
|
|
0
|
1268 write_c_string (pigbuf, printcharfun);
|
|
|
1269 }
|
|
|
1270 #endif /* LISP_FLOAT_TYPE */
|
|
|
1271
|
|
|
1272 void
|
|
|
1273 print_symbol (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
|
1274 {
|
|
|
1275 /* This function can GC */
|
|
|
1276 /* #### Bug!! (intern "") isn't printed in some distinguished way */
|
|
|
1277 /* #### (the reader also loses on it) */
|
|
278
|
1278 struct Lisp_String *name = symbol_name (XSYMBOL (obj));
|
|
0
|
1279 Bytecount size = string_length (name);
|
|
|
1280 struct gcpro gcpro1, gcpro2;
|
|
|
1281
|
|
|
1282 if (!escapeflag)
|
|
|
1283 {
|
|
|
1284 /* This deals with GC-relocation */
|
|
|
1285 Lisp_Object nameobj;
|
|
|
1286 XSETSTRING (nameobj, name);
|
|
|
1287 output_string (printcharfun, 0, nameobj, 0, size);
|
|
|
1288 return;
|
|
|
1289 }
|
|
|
1290 GCPRO2 (obj, printcharfun);
|
|
|
1291
|
|
245
|
1292 /* If we print an uninterned symbol as part of a complex object and
|
|
|
1293 the flag print-gensym is non-nil, prefix it with #n= to read the
|
|
|
1294 object back with the #n# reader syntax later if needed. */
|
|
371
|
1295 if (!NILP (Vprint_gensym) && NILP (XSYMBOL (obj)->obarray))
|
|
0
|
1296 {
|
|
245
|
1297 if (print_depth > 1)
|
|
|
1298 {
|
|
|
1299 Lisp_Object tem = Fassq (obj, Vprint_gensym_alist);
|
|
|
1300 if (CONSP (tem))
|
|
|
1301 {
|
|
|
1302 write_char_internal ("#", printcharfun);
|
|
|
1303 print_internal (XCDR (tem), printcharfun, escapeflag);
|
|
|
1304 write_char_internal ("#", printcharfun);
|
|
|
1305 return;
|
|
|
1306 }
|
|
|
1307 else
|
|
|
1308 {
|
|
|
1309 if (CONSP (Vprint_gensym_alist))
|
|
251
|
1310 {
|
|
|
1311 /* Vprint_gensym_alist is exposed to Lisp, so we
|
|
|
1312 have to be careful. */
|
|
|
1313 CHECK_CONS (XCAR (Vprint_gensym_alist));
|
|
|
1314 CHECK_INT (XCDR (XCAR (Vprint_gensym_alist)));
|
|
|
1315 XSETINT (tem, XINT (XCDR (XCAR (Vprint_gensym_alist))) + 1);
|
|
|
1316 }
|
|
245
|
1317 else
|
|
|
1318 XSETINT (tem, 1);
|
|
|
1319 Vprint_gensym_alist = Fcons (Fcons (obj, tem), Vprint_gensym_alist);
|
|
|
1320
|
|
|
1321 write_char_internal ("#", printcharfun);
|
|
|
1322 print_internal (tem, printcharfun, escapeflag);
|
|
|
1323 write_char_internal ("=", printcharfun);
|
|
|
1324 }
|
|
|
1325 }
|
|
|
1326 write_c_string ("#:", printcharfun);
|
|
0
|
1327 }
|
|
|
1328
|
|
|
1329 /* Does it look like an integer or a float? */
|
|
|
1330 {
|
|
|
1331 Bufbyte *data = string_data (name);
|
|
|
1332 Bytecount confusing = 0;
|
|
|
1333
|
|
|
1334 if (size == 0)
|
|
|
1335 goto not_yet_confused; /* Really confusing */
|
|
|
1336 else if (isdigit (data[0]))
|
|
|
1337 confusing = 0;
|
|
|
1338 else if (size == 1)
|
|
|
1339 goto not_yet_confused;
|
|
|
1340 else if (data[0] == '-' || data[0] == '+')
|
|
|
1341 confusing = 1;
|
|
|
1342 else
|
|
|
1343 goto not_yet_confused;
|
|
|
1344
|
|
|
1345 for (; confusing < size; confusing++)
|
|
173
|
1346 {
|
|
0
|
1347 if (!isdigit (data[confusing]))
|
|
|
1348 {
|
|
|
1349 confusing = 0;
|
|
|
1350 break;
|
|
|
1351 }
|
|
|
1352 }
|
|
|
1353 not_yet_confused:
|
|
|
1354
|
|
|
1355 #ifdef LISP_FLOAT_TYPE
|
|
|
1356 if (!confusing)
|
|
278
|
1357 /* #### Ugh, this is needlessly complex and slow for what we
|
|
|
1358 need here. It might be a good idea to copy equivalent code
|
|
|
1359 from FSF. --hniksic */
|
|
0
|
1360 confusing = isfloat_string ((char *) data);
|
|
|
1361 #endif
|
|
|
1362 if (confusing)
|
|
|
1363 write_char_internal ("\\", printcharfun);
|
|
|
1364 }
|
|
|
1365
|
|
|
1366 {
|
|
|
1367 Lisp_Object nameobj;
|
|
|
1368 Bytecount i;
|
|
|
1369 Bytecount last = 0;
|
|
173
|
1370
|
|
0
|
1371 XSETSTRING (nameobj, name);
|
|
|
1372 for (i = 0; i < size; i++)
|
|
|
1373 {
|
|
380
|
1374 switch (string_byte (name, i))
|
|
0
|
1375 {
|
|
380
|
1376 case 0: case 1: case 2: case 3:
|
|
|
1377 case 4: case 5: case 6: case 7:
|
|
|
1378 case 8: case 9: case 10: case 11:
|
|
|
1379 case 12: case 13: case 14: case 15:
|
|
|
1380 case 16: case 17: case 18: case 19:
|
|
|
1381 case 20: case 21: case 22: case 23:
|
|
|
1382 case 24: case 25: case 26: case 27:
|
|
|
1383 case 28: case 29: case 30: case 31:
|
|
|
1384 case ' ': case '\"': case '\\': case '\'':
|
|
|
1385 case ';': case '#' : case '(' : case ')':
|
|
|
1386 case ',': case '.' : case '`' :
|
|
|
1387 case '[': case ']' : case '?' :
|
|
0
|
1388 if (i > last)
|
|
380
|
1389 output_string (printcharfun, 0, nameobj, last, i - last);
|
|
0
|
1390 write_char_internal ("\\", printcharfun);
|
|
|
1391 last = i;
|
|
|
1392 }
|
|
|
1393 }
|
|
|
1394 output_string (printcharfun, 0, nameobj, last, size - last);
|
|
|
1395 }
|
|
|
1396 UNGCPRO;
|
|
|
1397 }
|
|
|
1398
|
|
278
|
1399 /* #ifdef DEBUG_XEMACS */
|
|
280
|
1400
|
|
|
1401 /* I don't like seeing `Note: Strange doc (not fboundp) for function
|
|
|
1402 alternate-debugging-output @ 429542' -slb */
|
|
|
1403 /* #### Eek! Any clue how to get rid of it? In fact, how about
|
|
|
1404 getting rid of this function altogether? Does anything actually
|
|
|
1405 *use* it? --hniksic */
|
|
|
1406
|
|
0
|
1407 int alternate_do_pointer;
|
|
|
1408 char alternate_do_string[5000];
|
|
|
1409
|
|
20
|
1410 DEFUN ("alternate-debugging-output", Falternate_debugging_output, 1, 1, 0, /*
|
|
0
|
1411 Append CHARACTER to the array `alternate_do_string'.
|
|
|
1412 This can be used in place of `external-debugging-output' as a function
|
|
|
1413 to be passed to `print'. Before calling `print', set `alternate_do_pointer'
|
|
|
1414 to 0.
|
|
20
|
1415 */
|
|
|
1416 (character))
|
|
0
|
1417 {
|
|
|
1418 Bufbyte str[MAX_EMCHAR_LEN];
|
|
|
1419 Bytecount len;
|
|
|
1420 int extlen;
|
|
|
1421 CONST Extbyte *extptr;
|
|
|
1422
|
|
|
1423 CHECK_CHAR_COERCE_INT (character);
|
|
|
1424 len = set_charptr_emchar (str, XCHAR (character));
|
|
16
|
1425 GET_CHARPTR_EXT_DATA_ALLOCA (str, len, FORMAT_TERMINAL, extptr, extlen);
|
|
0
|
1426 memcpy (alternate_do_string + alternate_do_pointer, extptr, extlen);
|
|
|
1427 alternate_do_pointer += extlen;
|
|
|
1428 alternate_do_string[alternate_do_pointer] = 0;
|
|
|
1429 return character;
|
|
|
1430 }
|
|
280
|
1431 /* #endif / * DEBUG_XEMACS */
|
|
0
|
1432
|
|
20
|
1433 DEFUN ("external-debugging-output", Fexternal_debugging_output, 1, 3, 0, /*
|
|
0
|
1434 Write CHAR-OR-STRING to stderr or stdout.
|
|
|
1435 If optional arg STDOUT-P is non-nil, write to stdout; otherwise, write
|
|
|
1436 to stderr. You can use this function to write directly to the terminal.
|
|
|
1437 This function can be used as the STREAM argument of Fprint() or the like.
|
|
|
1438
|
|
|
1439 If you have opened a termscript file (using `open-termscript'), then
|
|
|
1440 the output also will be logged to this file.
|
|
20
|
1441 */
|
|
|
1442 (char_or_string, stdout_p, device))
|
|
0
|
1443 {
|
|
|
1444 FILE *file = 0;
|
|
|
1445 struct console *con = 0;
|
|
|
1446
|
|
|
1447 if (NILP (device))
|
|
|
1448 {
|
|
|
1449 if (!NILP (stdout_p))
|
|
|
1450 file = stdout;
|
|
|
1451 else
|
|
|
1452 file = stderr;
|
|
|
1453 }
|
|
|
1454 else
|
|
|
1455 {
|
|
|
1456 CHECK_LIVE_DEVICE (device);
|
|
|
1457 if (!DEVICE_TTY_P (XDEVICE (device)) &&
|
|
|
1458 !DEVICE_STREAM_P (XDEVICE (device)))
|
|
|
1459 signal_simple_error ("Must be tty or stream device", device);
|
|
|
1460 con = XCONSOLE (DEVICE_CONSOLE (XDEVICE (device)));
|
|
|
1461 if (DEVICE_TTY_P (XDEVICE (device)))
|
|
|
1462 file = 0;
|
|
|
1463 else if (!NILP (stdout_p))
|
|
396
|
1464 file = CONSOLE_STREAM_DATA (con)->out;
|
|
0
|
1465 else
|
|
396
|
1466 file = CONSOLE_STREAM_DATA (con)->err;
|
|
0
|
1467 }
|
|
|
1468
|
|
|
1469 if (STRINGP (char_or_string))
|
|
|
1470 write_string_to_stdio_stream (file, con,
|
|
16
|
1471 XSTRING_DATA (char_or_string),
|
|
|
1472 0, XSTRING_LENGTH (char_or_string),
|
|
|
1473 FORMAT_TERMINAL);
|
|
0
|
1474 else
|
|
|
1475 {
|
|
|
1476 Bufbyte str[MAX_EMCHAR_LEN];
|
|
|
1477 Bytecount len;
|
|
|
1478
|
|
|
1479 CHECK_CHAR_COERCE_INT (char_or_string);
|
|
|
1480 len = set_charptr_emchar (str, XCHAR (char_or_string));
|
|
16
|
1481 write_string_to_stdio_stream (file, con, str, 0, len, FORMAT_TERMINAL);
|
|
0
|
1482 }
|
|
|
1483
|
|
|
1484 return char_or_string;
|
|
|
1485 }
|
|
|
1486
|
|
20
|
1487 DEFUN ("open-termscript", Fopen_termscript, 1, 1, "FOpen termscript file: ", /*
|
|
0
|
1488 Start writing all terminal output to FILE as well as the terminal.
|
|
|
1489 FILE = nil means just close any termscript file currently open.
|
|
20
|
1490 */
|
|
|
1491 (file))
|
|
0
|
1492 {
|
|
|
1493 /* This function can GC */
|
|
|
1494 if (termscript != 0)
|
|
|
1495 fclose (termscript);
|
|
|
1496 termscript = 0;
|
|
|
1497
|
|
|
1498 if (! NILP (file))
|
|
|
1499 {
|
|
|
1500 file = Fexpand_file_name (file, Qnil);
|
|
16
|
1501 termscript = fopen ((char *) XSTRING_DATA (file), "w");
|
|
183
|
1502 if (termscript == NULL)
|
|
278
|
1503 report_file_error ("Opening termscript", list1 (file));
|
|
0
|
1504 }
|
|
|
1505 return Qnil;
|
|
|
1506 }
|
|
|
1507
|
|
|
1508 #if 1
|
|
|
1509 /* Debugging kludge -- unbuffered */
|
|
|
1510 static int debug_print_length = 50;
|
|
|
1511 static int debug_print_level = 15;
|
|
|
1512 Lisp_Object debug_temp;
|
|
272
|
1513
|
|
|
1514 static void
|
|
0
|
1515 debug_print_no_newline (Lisp_Object debug_print_obj)
|
|
|
1516 {
|
|
|
1517 /* This function can GC */
|
|
|
1518 int old_print_readably = print_readably;
|
|
|
1519 int old_print_depth = print_depth;
|
|
|
1520 Lisp_Object old_print_length = Vprint_length;
|
|
|
1521 Lisp_Object old_print_level = Vprint_level;
|
|
|
1522 Lisp_Object old_inhibit_quit = Vinhibit_quit;
|
|
|
1523 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
|
1524 GCPRO3 (old_print_level, old_print_length, old_inhibit_quit);
|
|
|
1525
|
|
|
1526 if (gc_in_progress)
|
|
|
1527 stderr_out ("** gc-in-progress! Bad idea to print anything! **\n");
|
|
|
1528
|
|
|
1529 print_depth = 0;
|
|
|
1530 print_readably = 0;
|
|
|
1531 print_unbuffered++;
|
|
|
1532 /* Could use unwind-protect, but why bother? */
|
|
|
1533 if (debug_print_length > 0)
|
|
|
1534 Vprint_length = make_int (debug_print_length);
|
|
|
1535 if (debug_print_level > 0)
|
|
|
1536 Vprint_level = make_int (debug_print_level);
|
|
|
1537 print_internal (debug_print_obj, Qexternal_debugging_output, 1);
|
|
|
1538 Vinhibit_quit = old_inhibit_quit;
|
|
|
1539 Vprint_level = old_print_level;
|
|
|
1540 Vprint_length = old_print_length;
|
|
|
1541 print_depth = old_print_depth;
|
|
|
1542 print_readably = old_print_readably;
|
|
|
1543 print_unbuffered--;
|
|
|
1544 UNGCPRO;
|
|
|
1545 }
|
|
|
1546
|
|
|
1547 void
|
|
|
1548 debug_print (Lisp_Object debug_print_obj)
|
|
|
1549 {
|
|
|
1550 debug_print_no_newline (debug_print_obj);
|
|
272
|
1551 stderr_out ("\n");
|
|
0
|
1552 fflush (stderr);
|
|
|
1553 }
|
|
|
1554
|
|
|
1555 /* Debugging kludge -- unbuffered */
|
|
272
|
1556 /* This function provided for the benefit of the debugger. */
|
|
|
1557 void debug_backtrace (void);
|
|
0
|
1558 void
|
|
|
1559 debug_backtrace (void)
|
|
|
1560 {
|
|
|
1561 /* This function can GC */
|
|
380
|
1562 int old_print_readably = print_readably;
|
|
|
1563 int old_print_depth = print_depth;
|
|
|
1564 Lisp_Object old_print_length = Vprint_length;
|
|
|
1565 Lisp_Object old_print_level = Vprint_level;
|
|
|
1566 Lisp_Object old_inhibit_quit = Vinhibit_quit;
|
|
|
1567
|
|
0
|
1568 struct gcpro gcpro1, gcpro2, gcpro3;
|
|
|
1569 GCPRO3 (old_print_level, old_print_length, old_inhibit_quit);
|
|
|
1570
|
|
|
1571 if (gc_in_progress)
|
|
|
1572 stderr_out ("** gc-in-progress! Bad idea to print anything! **\n");
|
|
|
1573
|
|
|
1574 print_depth = 0;
|
|
|
1575 print_readably = 0;
|
|
|
1576 print_unbuffered++;
|
|
|
1577 /* Could use unwind-protect, but why bother? */
|
|
|
1578 if (debug_print_length > 0)
|
|
|
1579 Vprint_length = make_int (debug_print_length);
|
|
|
1580 if (debug_print_level > 0)
|
|
|
1581 Vprint_level = make_int (debug_print_level);
|
|
380
|
1582
|
|
0
|
1583 Fbacktrace (Qexternal_debugging_output, Qt);
|
|
|
1584 stderr_out ("\n");
|
|
|
1585 fflush (stderr);
|
|
380
|
1586
|
|
|
1587 Vinhibit_quit = old_inhibit_quit;
|
|
|
1588 Vprint_level = old_print_level;
|
|
|
1589 Vprint_length = old_print_length;
|
|
|
1590 print_depth = old_print_depth;
|
|
0
|
1591 print_readably = old_print_readably;
|
|
|
1592 print_unbuffered--;
|
|
380
|
1593
|
|
0
|
1594 UNGCPRO;
|
|
|
1595 }
|
|
|
1596
|
|
|
1597 void
|
|
|
1598 debug_short_backtrace (int length)
|
|
|
1599 {
|
|
|
1600 int first = 1;
|
|
|
1601 struct backtrace *bt = backtrace_list;
|
|
|
1602 stderr_out (" [");
|
|
|
1603 fflush (stderr);
|
|
|
1604 while (length > 0 && bt)
|
|
|
1605 {
|
|
|
1606 if (!first)
|
|
|
1607 {
|
|
|
1608 stderr_out (", ");
|
|
|
1609 fflush (stderr);
|
|
|
1610 }
|
|
|
1611 if (COMPILED_FUNCTIONP (*bt->function))
|
|
|
1612 {
|
|
233
|
1613 #if defined(COMPILED_FUNCTION_ANNOTATION_HACK)
|
|
380
|
1614 Lisp_Object ann =
|
|
|
1615 compiled_function_annotation (XCOMPILED_FUNCTION (*bt->function));
|
|
233
|
1616 #else
|
|
|
1617 Lisp_Object ann = Qnil;
|
|
|
1618 #endif
|
|
0
|
1619 if (!NILP (ann))
|
|
|
1620 {
|
|
|
1621 stderr_out ("<compiled-function from ");
|
|
|
1622 fflush (stderr);
|
|
|
1623 debug_print_no_newline (ann);
|
|
|
1624 stderr_out (">");
|
|
|
1625 fflush (stderr);
|
|
|
1626 }
|
|
|
1627 else
|
|
|
1628 {
|
|
|
1629 stderr_out ("<compiled-function of unknown origin>");
|
|
|
1630 fflush (stderr);
|
|
|
1631 }
|
|
|
1632 }
|
|
|
1633 else
|
|
|
1634 debug_print_no_newline (*bt->function);
|
|
|
1635 first = 0;
|
|
|
1636 length--;
|
|
|
1637 bt = bt->next;
|
|
|
1638 }
|
|
|
1639 stderr_out ("]\n");
|
|
|
1640 fflush (stderr);
|
|
|
1641 }
|
|
|
1642
|
|
|
1643 #endif /* debugging kludge */
|
|
|
1644
|
|
|
1645
|
|
|
1646 void
|
|
|
1647 syms_of_print (void)
|
|
|
1648 {
|
|
|
1649 defsymbol (&Qprint_escape_newlines, "print-escape-newlines");
|
|
|
1650 defsymbol (&Qprint_readably, "print-readably");
|
|
|
1651
|
|
|
1652 defsymbol (&Qstandard_output, "standard-output");
|
|
|
1653
|
|
|
1654 #ifdef LISP_FLOAT_TYPE
|
|
|
1655 defsymbol (&Qfloat_output_format, "float-output-format");
|
|
|
1656 #endif
|
|
|
1657
|
|
|
1658 defsymbol (&Qprint_length, "print-length");
|
|
|
1659
|
|
|
1660 defsymbol (&Qprint_string_length, "print-string-length");
|
|
171
|
1661
|
|
|
1662 defsymbol (&Qdisplay_error, "display-error");
|
|
|
1663 defsymbol (&Qprint_message_label, "print-message-label");
|
|
|
1664
|
|
20
|
1665 DEFSUBR (Fprin1);
|
|
|
1666 DEFSUBR (Fprin1_to_string);
|
|
|
1667 DEFSUBR (Fprinc);
|
|
|
1668 DEFSUBR (Fprint);
|
|
100
|
1669 DEFSUBR (Ferror_message_string);
|
|
171
|
1670 DEFSUBR (Fdisplay_error);
|
|
20
|
1671 DEFSUBR (Fterpri);
|
|
|
1672 DEFSUBR (Fwrite_char);
|
|
|
1673 DEFSUBR (Falternate_debugging_output);
|
|
0
|
1674 defsymbol (&Qalternate_debugging_output, "alternate-debugging-output");
|
|
20
|
1675 DEFSUBR (Fexternal_debugging_output);
|
|
|
1676 DEFSUBR (Fopen_termscript);
|
|
0
|
1677 defsymbol (&Qexternal_debugging_output, "external-debugging-output");
|
|
20
|
1678 DEFSUBR (Fwith_output_to_temp_buffer);
|
|
0
|
1679 }
|
|
|
1680
|
|
|
1681 void
|
|
|
1682 vars_of_print (void)
|
|
|
1683 {
|
|
|
1684 alternate_do_pointer = 0;
|
|
|
1685
|
|
|
1686 DEFVAR_LISP ("standard-output", &Vstandard_output /*
|
|
|
1687 Output stream `print' uses by default for outputting a character.
|
|
|
1688 This may be any function of one argument.
|
|
|
1689 It may also be a buffer (output is inserted before point)
|
|
|
1690 or a marker (output is inserted and the marker is advanced)
|
|
|
1691 or the symbol t (output appears in the minibuffer line).
|
|
|
1692 */ );
|
|
|
1693 Vstandard_output = Qt;
|
|
|
1694
|
|
|
1695 #ifdef LISP_FLOAT_TYPE
|
|
|
1696 DEFVAR_LISP ("float-output-format", &Vfloat_output_format /*
|
|
|
1697 The format descriptor string that lisp uses to print floats.
|
|
|
1698 This is a %-spec like those accepted by `printf' in C,
|
|
|
1699 but with some restrictions. It must start with the two characters `%.'.
|
|
|
1700 After that comes an integer precision specification,
|
|
|
1701 and then a letter which controls the format.
|
|
|
1702 The letters allowed are `e', `f' and `g'.
|
|
185
|
1703 Use `e' for exponential notation "DIG.DIGITSeEXPT"
|
|
|
1704 Use `f' for decimal point notation "DIGITS.DIGITS".
|
|
0
|
1705 Use `g' to choose the shorter of those two formats for the number at hand.
|
|
|
1706 The precision in any of these cases is the number of digits following
|
|
|
1707 the decimal point. With `f', a precision of 0 means to omit the
|
|
|
1708 decimal point. 0 is not allowed with `f' or `g'.
|
|
|
1709
|
|
|
1710 A value of nil means to use `%.16g'.
|
|
|
1711
|
|
|
1712 Regardless of the value of `float-output-format', a floating point number
|
|
|
1713 will never be printed in such a way that it is ambiguous with an integer;
|
|
|
1714 that is, a floating-point number will always be printed with a decimal
|
|
|
1715 point and/or an exponent, even if the digits following the decimal point
|
|
|
1716 are all zero. This is to preserve read-equivalence.
|
|
|
1717 */ );
|
|
|
1718 Vfloat_output_format = Qnil;
|
|
|
1719 #endif /* LISP_FLOAT_TYPE */
|
|
|
1720
|
|
|
1721 DEFVAR_LISP ("print-length", &Vprint_length /*
|
|
|
1722 Maximum length of list or vector to print before abbreviating.
|
|
|
1723 A value of nil means no limit.
|
|
|
1724 */ );
|
|
|
1725 Vprint_length = Qnil;
|
|
|
1726
|
|
|
1727 DEFVAR_LISP ("print-string-length", &Vprint_string_length /*
|
|
|
1728 Maximum length of string to print before abbreviating.
|
|
|
1729 A value of nil means no limit.
|
|
|
1730 */ );
|
|
|
1731 Vprint_string_length = Qnil;
|
|
|
1732
|
|
|
1733 DEFVAR_LISP ("print-level", &Vprint_level /*
|
|
|
1734 Maximum depth of list nesting to print before abbreviating.
|
|
|
1735 A value of nil means no limit.
|
|
|
1736 */ );
|
|
|
1737 Vprint_level = Qnil;
|
|
|
1738
|
|
|
1739 DEFVAR_BOOL ("print-escape-newlines", &print_escape_newlines /*
|
|
|
1740 Non-nil means print newlines in strings as backslash-n.
|
|
|
1741 */ );
|
|
|
1742 print_escape_newlines = 0;
|
|
|
1743
|
|
|
1744 DEFVAR_BOOL ("print-readably", &print_readably /*
|
|
|
1745 If non-nil, then all objects will be printed in a readable form.
|
|
|
1746 If an object has no readable representation, then an error is signalled.
|
|
|
1747 When print-readably is true, compiled-function objects will be written in
|
|
|
1748 #[...] form instead of in #<compiled-function [...]> form, and two-element
|
|
|
1749 lists of the form (quote object) will be written as the equivalent 'object.
|
|
|
1750 Do not SET this variable; bind it instead.
|
|
|
1751 */ );
|
|
|
1752 print_readably = 0;
|
|
|
1753
|
|
245
|
1754 /* #### I think this should default to t. But we'd better wait
|
|
|
1755 until we see that it works out. */
|
|
|
1756 DEFVAR_LISP ("print-gensym", &Vprint_gensym /*
|
|
0
|
1757 If non-nil, then uninterned symbols will be printed specially.
|
|
|
1758 Uninterned symbols are those which are not present in `obarray', that is,
|
|
|
1759 those which were made with `make-symbol' or by calling `intern' with a
|
|
|
1760 second argument.
|
|
|
1761
|
|
245
|
1762 When print-gensym is true, such symbols will be preceded by "#:",
|
|
|
1763 which causes the reader to create a new symbol instead of interning
|
|
|
1764 and returning an existing one. Beware: the #: syntax creates a new
|
|
|
1765 symbol each time it is seen, so if you print an object which contains
|
|
|
1766 two pointers to the same uninterned symbol, `read' will not duplicate
|
|
|
1767 that structure.
|
|
0
|
1768
|
|
245
|
1769 If the value of `print-gensym' is a cons cell, then in addition
|
|
|
1770 refrain from clearing `print-gensym-alist' on entry to and exit from
|
|
|
1771 printing functions, so that the use of #...# and #...= can carry over
|
|
|
1772 for several separately printed objects.
|
|
0
|
1773 */ );
|
|
245
|
1774 Vprint_gensym = Qnil;
|
|
|
1775
|
|
|
1776 DEFVAR_LISP ("print-gensym-alist", &Vprint_gensym_alist /*
|
|
|
1777 Association list of elements (GENSYM . N) to guide use of #N# and #N=.
|
|
|
1778 In each element, GENSYM is an uninterned symbol that has been associated
|
|
|
1779 with #N= for the specified value of N.
|
|
|
1780 */ );
|
|
|
1781 Vprint_gensym_alist = Qnil;
|
|
0
|
1782
|
|
|
1783 DEFVAR_LISP ("print-message-label", &Vprint_message_label /*
|
|
|
1784 Label for minibuffer messages created with `print'. This should
|
|
|
1785 generally be bound with `let' rather than set. (See `display-message'.)
|
|
|
1786 */ );
|
|
|
1787 Vprint_message_label = Qprint;
|
|
|
1788 }
|
