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1 /* |
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2 |
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2847
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3 Copyright (C) 1996, 1997 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave 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 Octave 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 Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #ifdef HAVE_CONFIG_H |
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24 #include <config.h> |
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25 #endif |
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26 |
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27 #include <cassert> |
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28 #include <cstdlib> |
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29 #include <cstring> |
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30 |
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3503
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31 #include <fstream> |
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32 #include <iostream> |
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33 #include <string> |
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34 |
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35 #ifdef HAVE_UNISTD_H |
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36 #ifdef HAVE_SYS_TYPES_H |
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37 #include <sys/types.h> |
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38 #endif |
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39 #include <unistd.h> |
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40 #endif |
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41 |
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3566
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42 // Include setjmp.h, not csetjmp since the latter might only define |
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43 // the ANSI standard C interface. |
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44 |
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45 #include <setjmp.h> |
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46 |
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2926
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47 #include "cmd-edit.h" |
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48 #include "file-ops.h" |
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1683
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49 #include "lo-error.h" |
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2370
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50 #include "lo-mappers.h" |
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4051
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51 #include "lo-sstream.h" |
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3020
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52 #include "oct-env.h" |
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1755
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53 #include "str-vec.h" |
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54 |
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2492
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55 #include <defaults.h> |
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56 #include "defun.h" |
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57 #include "error.h" |
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58 #include "file-io.h" |
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59 #include "input.h" |
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60 #include "lex.h" |
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2492
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61 #include <oct-conf.h> |
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1742
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62 #include "oct-hist.h" |
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2162
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63 #include "oct-map.h" |
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2862
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64 #include "oct-obj.h" |
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65 #include "pager.h" |
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66 #include "parse.h" |
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67 #include "pathsearch.h" |
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68 #include "procstream.h" |
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2370
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69 #include "ov.h" |
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2985
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70 #include "pt-jump.h" |
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1750
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71 #include "pt-plot.h" |
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2982
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72 #include "pt-stmt.h" |
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73 #include "sighandlers.h" |
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74 #include "sysdep.h" |
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2693
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75 #include "syswait.h" |
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1750
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76 #include "toplev.h" |
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77 #include "unwind-prot.h" |
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78 #include "utils.h" |
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79 #include "variables.h" |
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2492
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80 #include <version.h> |
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81 |
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3020
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82 // TRUE means we are exiting via the builtin exit or quit functions. |
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83 static bool quitting_gracefully = false; |
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84 |
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85 // Current command to execute. |
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86 tree_statement_list *global_command = 0; |
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87 |
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88 // Pointer to function that is currently being evaluated. |
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89 octave_user_function *curr_function = 0; |
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90 |
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3834
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91 // Original value of TEXMFDBS environment variable. |
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92 std::string octave_original_texmfdbs; |
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93 |
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1907
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94 // Top level context (?) |
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95 jmp_buf toplevel; |
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96 |
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97 int |
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98 main_loop (void) |
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99 { |
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100 // Allow the user to interrupt us without exiting. |
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101 |
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102 octave_save_signal_mask (); |
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103 |
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104 if (setjmp (toplevel) != 0) |
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105 { |
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106 raw_mode (0); |
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107 |
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108 std::cout << "\n"; |
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109 |
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110 octave_restore_signal_mask (); |
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111 } |
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112 |
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113 can_interrupt = true; |
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114 |
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115 octave_catch_interrupts (); |
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116 |
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117 // The big loop. |
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118 |
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119 int retval; |
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120 do |
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121 { |
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122 curr_sym_tab = top_level_sym_tab; |
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123 |
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124 reset_parser (); |
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125 |
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126 retval = yyparse (); |
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127 |
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128 if (retval == 0) |
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1907
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129 { |
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130 if (global_command) |
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131 { |
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132 global_command->eval (); |
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133 |
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134 delete global_command; |
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135 |
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136 global_command = 0; |
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137 |
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138 if (! (interactive || forced_interactive)) |
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139 { |
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140 bool quit = (tree_return_command::returning |
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141 || tree_break_command::breaking); |
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142 |
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143 if (tree_return_command::returning) |
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144 tree_return_command::returning = 0; |
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145 |
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146 if (tree_break_command::breaking) |
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147 tree_break_command::breaking--; |
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148 |
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149 if (quit) |
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150 break; |
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151 } |
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152 |
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153 if (error_state) |
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154 { |
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155 if (! (interactive || forced_interactive)) |
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156 { |
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157 // We should exit with a non-zero status. |
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158 retval = 1; |
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159 break; |
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160 } |
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161 } |
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162 else |
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163 { |
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164 if (octave_completion_matches_called) |
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165 octave_completion_matches_called = false; |
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166 else |
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167 command_editor::increment_current_command_number (); |
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168 } |
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169 } |
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170 else if (parser_end_of_input) |
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171 break; |
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172 } |
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173 } |
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174 while (retval == 0); |
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175 |
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176 return retval; |
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177 } |
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178 |
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179 // Fix up things before exiting. |
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180 |
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181 void |
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182 clean_up_and_exit (int retval) |
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183 { |
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184 do_octave_atexit (); |
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185 |
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3162
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186 exit (retval == EOF ? 0 : retval); |
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187 } |
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188 |
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1957
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189 DEFUN_TEXT (casesen, args, , |
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190 "-*- texinfo -*-\n\ |
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191 @deffn {Command} casesen arg\n\ |
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192 Provided for compatibility with Matlab, but does nothing.\n\ |
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193 @end deffn") |
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194 { |
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195 octave_value_list retval; |
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196 |
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197 int argc = args.length () + 1; |
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198 |
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1965
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199 string_vector argv = args.make_argv ("casesen"); |
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200 |
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201 if (error_state) |
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202 return retval; |
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203 |
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204 if (argc == 1 || (argc > 1 && argv[1] == "off")) |
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205 warning ("casesen: sorry, Octave is always case sensitive"); |
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206 else if (argc > 1 && argv[1] == "on") |
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207 ; // ok. |
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208 else |
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209 print_usage ("casesen"); |
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210 |
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211 return retval; |
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212 } |
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213 |
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1957
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214 DEFUN (computer, args, nargout, |
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215 "-*- texinfo -*-\n\ |
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216 @deftypefn {Built-in Function} {} computer ()\n\ |
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217 Print or return a string of the form @var{cpu}-@var{vendor}-@var{os}\n\ |
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218 that identifies the kind of computer Octave is running on. If invoked\n\ |
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219 with an output argument, the value is returned instead of printed. For\n\ |
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220 example,\n\ |
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221 \n\ |
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222 @example\n\ |
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223 @group\n\ |
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224 computer ()\n\ |
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225 @print{} i586-pc-linux-gnu\n\ |
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226 \n\ |
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227 x = computer ()\n\ |
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228 @result{} x = \"i586-pc-linux-gnu\"\n\ |
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229 @end group\n\ |
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230 @end example\n\ |
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231 @end deftypefn") |
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232 { |
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233 octave_value_list retval; |
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234 |
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235 int nargin = args.length (); |
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236 |
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237 if (nargin != 0) |
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238 warning ("computer: ignoring extra arguments"); |
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239 |
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240 std::string msg; |
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241 |
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242 if (strcmp (OCTAVE_CANONICAL_HOST_TYPE, "unknown") == 0) |
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243 msg = "Hi Dave, I'm a HAL-9000"; |
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244 else |
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245 msg = OCTAVE_CANONICAL_HOST_TYPE; |
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246 |
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247 if (nargout == 0) |
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248 octave_stdout << msg << "\n"; |
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249 else |
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250 retval = msg; |
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251 |
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252 return retval; |
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253 } |
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254 |
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3180
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255 DEFUN (quit, args, nargout, |
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256 "-*- texinfo -*-\n\ |
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257 @deftypefn {Built-in Function} {} exit (@var{status})\n\ |
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258 @deftypefnx {Built-in Function} {} quit (@var{status})\n\ |
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259 Exit the current Octave session. If the optional integer value\n\ |
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260 @var{status} is supplied, pass that value to the operating system as the\n\ |
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261 Octave's exit status.\n\ |
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3333
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262 @end deftypefn") |
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263 { |
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264 octave_value_list retval; |
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265 |
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3180
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266 if (nargout == 0) |
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2068
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267 { |
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3180
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268 int exit_status = 0; |
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269 |
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270 quitting_gracefully = true; |
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271 |
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3180
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272 if (args.length () > 0) |
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273 { |
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3202
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274 int tmp = args(0).nint_value (); |
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275 |
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3202
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276 if (! error_state) |
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277 exit_status = tmp; |
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3180
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278 } |
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279 |
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280 clean_up_and_exit (exit_status); |
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2068
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281 } |
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3180
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282 else |
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283 error ("quit: invalid number of output arguments"); |
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284 |
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285 return retval; |
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286 } |
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287 |
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288 DEFALIAS (exit, quit); |
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289 |
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1957
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290 DEFUN (warranty, , , |
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3446
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291 "-*- texinfo -*-\n\ |
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292 @deftypefn {Built-in Function} {} warranty ()\n\ |
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293 Describe the conditions for copying and distributing Octave.\n\ |
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294 @end deftypefn") |
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295 { |
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296 octave_value_list retval; |
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297 |
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3922
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298 octave_stdout << "\n" \ |
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299 OCTAVE_NAME_VERSION_AND_COPYRIGHT "\n\ |
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300 \n\ |
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301 This program is free software; you can redistribute it and/or modify\n\ |
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302 it under the terms of the GNU General Public License as published by\n\ |
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303 the Free Software Foundation; either version 2 of the License, or\n\ |
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304 (at your option) any later version.\n\ |
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305 \n\ |
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306 This program is distributed in the hope that it will be useful,\n\ |
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307 but WITHOUT ANY WARRANTY; without even the implied warranty of\n\ |
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308 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n\ |
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309 GNU General Public License for more details.\n\ |
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310 \n\ |
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311 You should have received a copy of the GNU General Public License\n\ |
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312 along with this program. If not, write to the Free Software\n\ |
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313 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\n\ |
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314 \n"; |
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315 |
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316 return retval; |
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317 } |
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318 |
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319 // Execute a shell command. |
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320 |
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1965
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321 static void |
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322 cleanup_iprocstream (void *p) |
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323 { |
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3060
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324 iprocstream *cmd = static_cast<iprocstream *> (p); |
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325 |
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326 octave_child_list::remove (cmd->pid ()); |
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327 |
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328 delete cmd; |
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1965
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329 } |
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330 |
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2086
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331 static octave_value_list |
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3523
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332 run_command_and_return_output (const std::string& cmd_str) |
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333 { |
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2086
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334 octave_value_list retval; |
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335 |
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336 iprocstream *cmd = new iprocstream (cmd_str.c_str ()); |
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337 |
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3060
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338 if (cmd) |
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339 { |
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340 unwind_protect::add (cleanup_iprocstream, cmd); |
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341 |
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342 if (*cmd) |
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343 { |
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4051
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344 OSSTREAM output_buf; |
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2095
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345 |
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3147
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346 // XXX FIXME XXX -- sometimes, the subprocess hasn't written |
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347 // anything before we try to read from the procstream. The |
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348 // kluge below (simply waiting and trying again) is ugly, |
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349 // but it seems to work, at least most of the time. It |
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350 // could probably still fail if the subprocess hasn't |
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351 // started writing after the snooze. Isn't there a better |
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352 // way? If there is, you should also fix the code for the |
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353 // ls function in dirfns.cc. |
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354 |
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3060
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355 char ch; |
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3147
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356 |
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357 if (cmd->get (ch)) |
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358 output_buf.put (ch); |
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359 else |
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360 { |
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361 cmd->clear (); |
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362 |
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3308
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363 octave_usleep (100); |
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3147
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364 } |
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365 |
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3060
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366 while (cmd->get (ch)) |
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367 output_buf.put (ch); |
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368 |
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3252
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369 int cmd_status = cmd->close (); |
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370 |
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3060
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371 if (WIFEXITED (cmd_status)) |
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372 cmd_status = WEXITSTATUS (cmd_status); |
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373 else |
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374 cmd_status = 127; |
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2083
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375 |
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4051
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376 output_buf << OSSTREAM_ENDS; |
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377 |
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3060
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378 retval(1) = (double) cmd_status; |
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4051
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379 retval(0) = OSSTREAM_STR (output_buf); |
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380 |
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4051
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381 OSSTREAM_FREEZE (output_buf); |
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3060
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382 } |
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383 |
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384 unwind_protect::run (); |
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2083
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385 } |
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386 else |
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387 error ("unable to start subprocess for `%s'", cmd_str.c_str ()); |
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388 |
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389 return retval; |
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390 } |
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391 |
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3834
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392 static void |
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393 restore_texmfdbs_envvar (void *ptr) |
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394 { |
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395 std::string *s = static_cast<std::string *> (ptr); |
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396 |
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397 octave_env::putenv ("TEXMFDBS", *s); |
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398 } |
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399 |
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1957
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400 DEFUN (system, args, nargout, |
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3301
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401 "-*- texinfo -*-\n\ |
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402 @deftypefn {Built-in Function} {} system (@var{string}, @var{return_output}, @var{type})\n\ |
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403 Execute a shell command specified by @var{string}. The second\n\ |
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404 argument is optional. If @var{type} is @code{\"async\"}, the process\n\ |
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405 is started in the background and the process id of the child process\n\ |
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406 is returned immediately. Otherwise, the process is started, and\n\ |
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407 Octave waits until it exits. If @var{type} argument is omitted, a\n\ |
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408 value of @code{\"sync\"} is assumed.\n\ |
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2083
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409 \n\ |
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3301
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410 If two input arguments are given (the actual value of\n\ |
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411 @var{return_output} is irrelevant) and the subprocess is started\n\ |
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412 synchronously, or if @var{system} is called with one input argument and\n\ |
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413 one or more output arguments, the output from the command is returned.\n\ |
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2083
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414 Otherwise, if the subprocess is executed synchronously, it's output is\n\ |
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2321
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415 sent to the standard output. To send the output of a command executed\n\ |
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3301
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416 with @var{system} through the pager, use a command like\n\ |
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2321
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417 \n\ |
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3301
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418 @example\n\ |
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419 disp (system (cmd, 1));\n\ |
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420 @end example\n\ |
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2321
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421 \n\ |
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3301
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422 @noindent\n\ |
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2321
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423 or\n\ |
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424 \n\ |
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3301
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425 @example\n\ |
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426 printf (\"%s\n\", system (cmd, 1));\n\ |
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427 @end example\n\ |
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428 \n\ |
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429 The @code{system} function can return two values. The first is any\n\ |
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430 output from the command that was written to the standard output stream,\n\ |
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431 and the second is the output status of the command. For example,\n\ |
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432 \n\ |
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433 @example\n\ |
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434 [output, status] = system (\"echo foo; exit 2\");\n\ |
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435 @end example\n\ |
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436 \n\ |
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437 @noindent\n\ |
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438 will set the variable @code{output} to the string @samp{foo}, and the\n\ |
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439 variable @code{status} to the integer @samp{2}.\n\ |
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440 @end deftypefn") |
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1683
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441 { |
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2086
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442 octave_value_list retval; |
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1683
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443 |
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3834
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444 unwind_protect::begin_frame ("Fsystem"); |
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445 |
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1683
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446 int nargin = args.length (); |
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|
447 |
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2083
|
448 if (nargin > 0 && nargin < 4) |
|
1683
|
449 { |
|
2083
|
450 bool return_output = (nargout > 0 || nargin > 1); |
|
|
451 |
|
3523
|
452 std::string cmd_str = args(0).string_value (); |
|
2083
|
453 |
|
|
454 enum exec_type { sync, async }; |
|
|
455 |
|
|
456 exec_type type = sync; |
|
|
457 |
|
|
458 if (! error_state) |
|
|
459 { |
|
|
460 if (nargin > 2) |
|
|
461 { |
|
3523
|
462 std::string type_str = args(2).string_value (); |
|
1683
|
463 |
|
2083
|
464 if (! error_state) |
|
|
465 { |
|
|
466 if (type_str == "sync") |
|
|
467 type = sync; |
|
|
468 else if (type_str == "async") |
|
|
469 type = async; |
|
|
470 else |
|
|
471 error ("system: third arg must be \"sync\" or \"async\""); |
|
|
472 } |
|
|
473 else |
|
|
474 error ("system: third argument must be a string"); |
|
|
475 } |
|
|
476 } |
|
|
477 else |
|
3523
|
478 error ("system: expecting std::string as first argument"); |
|
1683
|
479 |
|
2083
|
480 if (! error_state) |
|
|
481 { |
|
3834
|
482 // The value of TEXMFDBS that Octave puts in the environment |
|
|
483 // will cause trouble if we are asked to run TeX, so we |
|
|
484 // should reset it to whatever it was before Octave started. |
|
|
485 // |
|
|
486 // XXX FIXME XXX -- it would be better to fix the |
|
|
487 // kpathsearch library to not always do TeX-specific |
|
|
488 // things... |
|
|
489 |
|
3841
|
490 static std::string odb; |
|
3834
|
491 |
|
|
492 odb = octave_env::getenv ("TEXMFDBS"); |
|
|
493 |
|
|
494 unwind_protect::add (restore_texmfdbs_envvar, &odb); |
|
|
495 |
|
|
496 octave_env::putenv ("TEXMFDBS", octave_original_texmfdbs); |
|
|
497 |
|
2083
|
498 if (type == async) |
|
|
499 { |
|
4086
|
500 #ifdef HAVE_FORK |
|
2083
|
501 pid_t pid = fork (); |
|
|
502 |
|
|
503 if (pid < 0) |
|
|
504 error ("system: fork failed -- can't create child process"); |
|
|
505 else if (pid == 0) |
|
|
506 { |
|
3273
|
507 // XXX FIXME XXX -- should probably replace this |
|
|
508 // call with something portable. |
|
|
509 |
|
|
510 execl ("/bin/sh", "sh", "-c", cmd_str.c_str (), 0); |
|
|
511 |
|
|
512 panic_impossible (); |
|
2083
|
513 } |
|
|
514 else |
|
2800
|
515 retval(0) = static_cast<double> (pid); |
|
4086
|
516 #else |
|
|
517 error ("asynchronous system calls are not supported"); |
|
|
518 #endif |
|
2083
|
519 } |
|
2321
|
520 else if (return_output) |
|
|
521 retval = run_command_and_return_output (cmd_str); |
|
2083
|
522 else |
|
2321
|
523 { |
|
|
524 int status = system (cmd_str.c_str ()); |
|
|
525 |
|
|
526 // The value in status is as returned by waitpid. If |
|
|
527 // the process exited normally, extract the actual exit |
|
|
528 // status of the command. Otherwise, return 127 as a |
|
|
529 // failure code. |
|
|
530 |
|
2693
|
531 if (WIFEXITED (status)) |
|
|
532 status = WEXITSTATUS (status); |
|
2321
|
533 |
|
2800
|
534 retval = static_cast<double> (status); |
|
2321
|
535 } |
|
2083
|
536 } |
|
1683
|
537 } |
|
|
538 else |
|
2083
|
539 print_usage ("system"); |
|
1683
|
540 |
|
3834
|
541 unwind_protect::run_frame ("Fsystem"); |
|
|
542 |
|
1683
|
543 return retval; |
|
|
544 } |
|
|
545 |
|
|
546 DEFALIAS (shell_cmd, system); |
|
|
547 |
|
2614
|
548 // XXX FIXME XXX -- this should really be static, but that causes |
|
|
549 // problems on some systems. |
|
3523
|
550 SLStack<std::string> octave_atexit_functions; |
|
2077
|
551 |
|
|
552 void |
|
|
553 do_octave_atexit (void) |
|
|
554 { |
|
3216
|
555 static bool deja_vu = false; |
|
|
556 |
|
2077
|
557 while (! octave_atexit_functions.empty ()) |
|
|
558 { |
|
2086
|
559 octave_value_list fcn = octave_atexit_functions.pop (); |
|
2077
|
560 |
|
2942
|
561 feval (fcn, 0); |
|
3215
|
562 |
|
|
563 flush_octave_stdout (); |
|
2077
|
564 } |
|
3216
|
565 |
|
|
566 if (! deja_vu) |
|
|
567 { |
|
|
568 deja_vu = true; |
|
|
569 |
|
|
570 command_editor::restore_terminal_state (); |
|
|
571 |
|
|
572 // XXX FIXME XXX -- is this needed? Can it cause any trouble? |
|
|
573 raw_mode (0); |
|
|
574 |
|
|
575 command_history::clean_up_and_save (); |
|
|
576 |
|
|
577 close_plot_stream (); |
|
|
578 |
|
|
579 close_files (); |
|
|
580 |
|
|
581 cleanup_tmp_files (); |
|
|
582 |
|
|
583 flush_octave_stdout (); |
|
|
584 |
|
|
585 if (!quitting_gracefully && (interactive || forced_interactive)) |
|
3531
|
586 std::cout << "\n"; |
|
3216
|
587 } |
|
2077
|
588 } |
|
|
589 |
|
2162
|
590 DEFUN (atexit, args, , |
|
3332
|
591 "-*- texinfo -*-\n\ |
|
|
592 @deftypefn {Built-in Function} {} atexit (@var{fcn})\n\ |
|
|
593 Register a function to be called when Octave exits. For example,\n\ |
|
2077
|
594 \n\ |
|
3332
|
595 @example\n\ |
|
|
596 @group\n\ |
|
3686
|
597 function print_fortune ()\n\ |
|
3332
|
598 printf (\"\\n%s\\n\", system (\"fortune\"));\n\ |
|
|
599 fflush (stdout);\n\ |
|
|
600 endfunction\n\ |
|
3686
|
601 atexit (\"print_fortune\");\n\ |
|
3332
|
602 @end group\n\ |
|
|
603 @end example\n\ |
|
|
604 \n\ |
|
|
605 @noindent\n\ |
|
|
606 will print a message when Octave exits.\n\ |
|
3333
|
607 @end deftypefn") |
|
2077
|
608 { |
|
2086
|
609 octave_value_list retval; |
|
2077
|
610 |
|
|
611 int nargin = args.length (); |
|
|
612 |
|
|
613 if (nargin == 1) |
|
|
614 { |
|
2475
|
615 #if defined (HAVE_ATEXIT) || defined (HAVE_ON_EXIT) |
|
3523
|
616 std::string arg = args(0).string_value (); |
|
2077
|
617 |
|
|
618 if (! error_state) |
|
|
619 octave_atexit_functions.push (arg); |
|
|
620 else |
|
|
621 error ("atexit: argument must be a string"); |
|
2475
|
622 #else |
|
|
623 gripe_not_supported ("atexit"); |
|
|
624 #endif |
|
2077
|
625 } |
|
|
626 else |
|
|
627 print_usage ("atexit"); |
|
|
628 |
|
|
629 return retval; |
|
|
630 } |
|
|
631 |
|
2689
|
632 DEFUN (octave_config_info, args, , |
|
3301
|
633 "-*- texinfo -*-\n\ |
|
|
634 @deftypefn {Built-in Function} {} octave_config_info (@var{option})\n\ |
|
|
635 Return a structure containing configuration and installation\n\ |
|
|
636 information for Octave.\n\ |
|
2689
|
637 \n\ |
|
3301
|
638 if @var{option} is a string, return the configuration information for the\n\ |
|
2689
|
639 specified option.\n\ |
|
|
640 \n\ |
|
3301
|
641 @end deftypefn") |
|
2162
|
642 { |
|
2689
|
643 octave_value retval; |
|
|
644 |
|
4110
|
645 #if defined (WITH_DYNAMIC_LINKING) |
|
2689
|
646 bool octave_supports_dynamic_linking = true; |
|
|
647 #else |
|
|
648 bool octave_supports_dynamic_linking = false; |
|
|
649 #endif |
|
|
650 |
|
2162
|
651 Octave_map m; |
|
|
652 |
|
3584
|
653 m ["ALL_CFLAGS"] = OCTAVE_CONF_ALL_CFLAGS; |
|
|
654 m ["ALL_CXXFLAGS"] = OCTAVE_CONF_ALL_CXXFLAGS; |
|
|
655 m ["ALL_FFLAGS"] = OCTAVE_CONF_ALL_FFLAGS; |
|
|
656 m ["ALL_LDFLAGS"] = OCTAVE_CONF_ALL_LDFLAGS; |
|
|
657 m ["AR"] = OCTAVE_CONF_AR; |
|
|
658 m ["ARFLAGS"] = OCTAVE_CONF_ARFLAGS; |
|
3726
|
659 m ["BLAS_LIBS"] = OCTAVE_CONF_BLAS_LIBS; |
|
3584
|
660 m ["CC"] = OCTAVE_CONF_CC; |
|
|
661 m ["CC_VERSION"] = OCTAVE_CONF_CC_VERSION; |
|
|
662 m ["CFLAGS"] = OCTAVE_CONF_CFLAGS; |
|
|
663 m ["CPICFLAG"] = OCTAVE_CONF_CPICFLAG; |
|
|
664 m ["CPPFLAGS"] = OCTAVE_CONF_CPPFLAGS; |
|
|
665 m ["CXX"] = OCTAVE_CONF_CXX; |
|
|
666 m ["CXXCPP"] = OCTAVE_CONF_CXXCPP; |
|
|
667 m ["CXXFLAGS"] = OCTAVE_CONF_CXXFLAGS; |
|
|
668 m ["CXXPICFLAG"] = OCTAVE_CONF_CXXPICFLAG; |
|
|
669 m ["CXX_VERSION"] = OCTAVE_CONF_CXX_VERSION; |
|
|
670 m ["DEFAULT_PAGER"] = OCTAVE_DEFAULT_PAGER; |
|
|
671 m ["DLFCN_INCFLAGS"] = OCTAVE_CONF_DLFCN_INCFLAGS; |
|
3892
|
672 m ["EXEEXT"] = OCTAVE_CONF_EXEEXT; |
|
3584
|
673 m ["F2C"] = OCTAVE_CONF_F2C; |
|
|
674 m ["F2CFLAGS"] = OCTAVE_CONF_F2CFLAGS; |
|
|
675 m ["F77"] = OCTAVE_CONF_F77; |
|
|
676 m ["FC"] = OCTAVE_CONF_FC; |
|
|
677 m ["FFLAGS"] = OCTAVE_CONF_FFLAGS; |
|
3859
|
678 m ["FFTW_LIBS"] = OCTAVE_CONF_FFTW_LIBS; |
|
3584
|
679 m ["FLIBS"] = OCTAVE_CONF_FLIBS; |
|
|
680 m ["FPICFLAG"] = OCTAVE_CONF_FPICFLAG; |
|
|
681 m ["GLOB_INCFLAGS"] = OCTAVE_CONF_GLOB_INCFLAGS; |
|
4110
|
682 m ["HAVE_DLOPEN_API"] = OCTAVE_CONF_HAVE_DLOPEN_API; |
|
4111
|
683 m ["HAVE_LOADLIBRARY_API"] = OCTAVE_CONF_HAVE_LOADLIBRARY_API; |
|
4110
|
684 m ["HAVE_SHL_LOAD_API"] = OCTAVE_CONF_HAVE_SHL_LOAD_API; |
|
3584
|
685 m ["INCFLAGS"] = OCTAVE_CONF_INCFLAGS; |
|
|
686 m ["LDFLAGS"] = OCTAVE_CONF_LDFLAGS; |
|
3859
|
687 m ["LD_CXX"] = OCTAVE_CONF_LD_CXX; |
|
3584
|
688 m ["LD_STATIC_FLAG"] = OCTAVE_CONF_LD_STATIC_FLAG; |
|
|
689 m ["LEX"] = OCTAVE_CONF_LEX; |
|
|
690 m ["LEXLIB"] = OCTAVE_CONF_LEXLIB; |
|
|
691 m ["LFLAGS"] = OCTAVE_CONF_LFLAGS; |
|
|
692 m ["LIBCRUFT"] = OCTAVE_CONF_LIBCRUFT; |
|
|
693 m ["LIBDLFCN"] = OCTAVE_CONF_LIBDLFCN; |
|
|
694 m ["LIBEXT"] = OCTAVE_CONF_LIBEXT; |
|
|
695 m ["LIBFLAGS"] = OCTAVE_CONF_LIBFLAGS; |
|
|
696 m ["LIBGLOB"] = OCTAVE_CONF_LIBGLOB; |
|
|
697 m ["LIBKPATHSEA"] = OCTAVE_CONF_LIBKPATHSEA; |
|
|
698 m ["LIBOCTAVE"] = OCTAVE_CONF_LIBOCTAVE; |
|
|
699 m ["LIBOCTINTERP"] = OCTAVE_CONF_LIBOCTINTERP; |
|
|
700 m ["LIBPLPLOT"] = OCTAVE_CONF_LIBPLPLOT; |
|
4102
|
701 m ["LIBREADLINE"] = OCTAVE_CONF_LIBREADLINE; |
|
3584
|
702 m ["LIBS"] = OCTAVE_CONF_LIBS; |
|
|
703 m ["LN_S"] = OCTAVE_CONF_LN_S; |
|
3591
|
704 m ["MKOCTFILE_INCFLAGS"] = OCTAVE_CONF_MKOCTFILE_INCFLAGS; |
|
3859
|
705 m ["MKOCTFILE_LFLAGS"] = OCTAVE_CONF_MKOCTFILE_LFLAGS; |
|
3584
|
706 m ["RANLIB"] = OCTAVE_CONF_RANLIB; |
|
|
707 m ["RDYNAMIC_FLAG"] = OCTAVE_CONF_RDYNAMIC_FLAG; |
|
|
708 m ["RLD_FLAG"] = OCTAVE_CONF_RLD_FLAG; |
|
|
709 m ["RUNTEST"] = OCTAVE_CONF_RUNTEST; |
|
4084
|
710 m ["SED"] = OCTAVE_CONF_SED; |
|
3584
|
711 m ["SHARED_LIBS"] = OCTAVE_CONF_SHARED_LIBS; |
|
|
712 m ["SHLEXT"] = OCTAVE_CONF_SHLEXT; |
|
|
713 m ["SHLEXT_VER"] = OCTAVE_CONF_SHLEXT_VER; |
|
|
714 m ["SH_LD"] = OCTAVE_CONF_SH_LD; |
|
|
715 m ["SH_LDFLAGS"] = OCTAVE_CONF_SH_LDFLAGS; |
|
|
716 m ["SONAME_FLAGS"] = OCTAVE_CONF_SONAME_FLAGS; |
|
|
717 m ["STATIC_LIBS"] = OCTAVE_CONF_STATIC_LIBS; |
|
|
718 m ["UGLY_DEFS"] = OCTAVE_CONF_DEFS; |
|
|
719 m ["UGLY_DEFS"] = OCTAVE_CONF_UGLY_DEFS; |
|
|
720 m ["WITH_DYNAMIC_LINKING"] = OCTAVE_CONF_WITH_DYNAMIC_LINKING; |
|
|
721 m ["XTRA_CFLAGS"] = OCTAVE_CONF_XTRA_CFLAGS; |
|
|
722 m ["XTRA_CXXFLAGS"] = OCTAVE_CONF_XTRA_CXXFLAGS; |
|
|
723 m ["YACC"] = OCTAVE_CONF_YACC; |
|
|
724 m ["YFLAGS"] = OCTAVE_CONF_YFLAGS; |
|
|
725 m ["archlibdir"] = OCTAVE_ARCHLIBDIR; |
|
|
726 m ["bindir"] = OCTAVE_BINDIR; |
|
|
727 m ["canonical_host_type"] = OCTAVE_CANONICAL_HOST_TYPE; |
|
|
728 m ["config_opts"] = OCTAVE_CONF_config_opts; |
|
2162
|
729 m ["datadir"] = OCTAVE_DATADIR; |
|
2800
|
730 m ["dld"] = static_cast<double> (octave_supports_dynamic_linking); |
|
3584
|
731 m ["exec_prefix"] = OCTAVE_EXEC_PREFIX; |
|
2162
|
732 m ["fcnfiledir"] = OCTAVE_FCNFILEDIR; |
|
|
733 m ["fcnfilepath"] = OCTAVE_FCNFILEPATH; |
|
3584
|
734 m ["imagedir"] = OCTAVE_IMAGEDIR; |
|
2162
|
735 m ["imagepath"] = OCTAVE_IMAGEPATH; |
|
3584
|
736 m ["includedir"] = OCTAVE_INCLUDEDIR; |
|
|
737 m ["infodir"] = OCTAVE_INFODIR; |
|
|
738 m ["infofile"] = OCTAVE_INFOFILE; |
|
|
739 m ["libdir"] = OCTAVE_LIBDIR; |
|
|
740 m ["libexecdir"] = OCTAVE_LIBEXECDIR; |
|
|
741 m ["localarchlibdir"] = OCTAVE_LOCALARCHLIBDIR; |
|
|
742 m ["localfcnfiledir"] = OCTAVE_LOCALFCNFILEDIR; |
|
|
743 m ["localfcnfilepath"] = OCTAVE_LOCALFCNFILEPATH; |
|
|
744 m ["localoctfiledir"] = OCTAVE_LOCALOCTFILEDIR; |
|
|
745 m ["localoctfilepath"] = OCTAVE_LOCALOCTFILEPATH; |
|
|
746 m ["localstartupfiledir"] = OCTAVE_LOCALSTARTUPFILEDIR; |
|
3597
|
747 m ["localverarchlibdir"] = OCTAVE_LOCALVERARCHLIBDIR; |
|
|
748 m ["localverfcnfiledir"] = OCTAVE_LOCALVERFCNFILEDIR; |
|
|
749 m ["localveroctfiledir"] = OCTAVE_LOCALVEROCTFILEDIR; |
|
3584
|
750 m ["man1dir"] = OCTAVE_MAN1DIR; |
|
|
751 m ["man1ext"] = OCTAVE_MAN1EXT; |
|
|
752 m ["mandir"] = OCTAVE_MANDIR; |
|
|
753 m ["octfiledir"] = OCTAVE_OCTFILEDIR; |
|
|
754 m ["octincludedir"] = OCTAVE_OCTINCLUDEDIR; |
|
|
755 m ["octlibdir"] = OCTAVE_OCTLIBDIR; |
|
|
756 m ["prefix"] = OCTAVE_PREFIX; |
|
|
757 m ["startupfiledir"] = OCTAVE_STARTUPFILEDIR; |
|
|
758 m ["version"] = OCTAVE_VERSION; |
|
2162
|
759 |
|
2689
|
760 int nargin = args.length (); |
|
|
761 |
|
|
762 if (nargin == 1) |
|
|
763 { |
|
3523
|
764 std::string arg = args(0).string_value (); |
|
2689
|
765 |
|
|
766 if (! error_state) |
|
3933
|
767 retval = octave_value (m [arg.c_str ()](0)); |
|
2689
|
768 } |
|
|
769 else if (nargin == 0) |
|
|
770 retval = octave_value (m); |
|
|
771 else |
|
|
772 print_usage ("octave_config_info"); |
|
|
773 |
|
|
774 return retval; |
|
2162
|
775 } |
|
|
776 |
|
1683
|
777 #if defined (__GNUG__) && defined (DEBUG_NEW_DELETE) |
|
2806
|
778 |
|
1683
|
779 int debug_new_delete = 0; |
|
|
780 |
|
|
781 typedef void (*vfp)(void); |
|
|
782 extern vfp __new_handler; |
|
|
783 |
|
|
784 void * |
|
|
785 __builtin_new (size_t sz) |
|
|
786 { |
|
|
787 void *p; |
|
|
788 |
|
|
789 /* malloc (0) is unpredictable; avoid it. */ |
|
|
790 if (sz == 0) |
|
|
791 sz = 1; |
|
2800
|
792 p = malloc (sz); |
|
1683
|
793 while (p == 0) |
|
|
794 { |
|
|
795 (*__new_handler) (); |
|
2800
|
796 p = malloc (sz); |
|
1683
|
797 } |
|
|
798 |
|
|
799 if (debug_new_delete) |
|
3538
|
800 std::cout << "__builtin_new: " << p << std::endl; |
|
1683
|
801 |
|
|
802 return p; |
|
|
803 } |
|
|
804 |
|
|
805 void |
|
|
806 __builtin_delete (void *ptr) |
|
|
807 { |
|
|
808 if (debug_new_delete) |
|
3538
|
809 std::cout << "__builtin_delete: " << ptr << std::endl; |
|
1683
|
810 |
|
|
811 if (ptr) |
|
|
812 free (ptr); |
|
|
813 } |
|
2806
|
814 |
|
1683
|
815 #endif |
|
|
816 |
|
2806
|
817 void |
|
|
818 symbols_of_toplev (void) |
|
|
819 { |
|
3141
|
820 DEFCONST (argv, , |
|
3332
|
821 "-*- texinfo -*-\n\ |
|
|
822 @defvr {Built-in Variable} argv\n\ |
|
|
823 The command line arguments passed to Octave are available in this\n\ |
|
|
824 variable. For example, if you invoked Octave using the command\n\ |
|
|
825 \n\ |
|
|
826 @example\n\ |
|
|
827 octave --no-line-editing --silent\n\ |
|
|
828 @end example\n\ |
|
|
829 \n\ |
|
|
830 @noindent\n\ |
|
3971
|
831 @code{argv} would be a cell array of strings with the elements\n\ |
|
3332
|
832 @code{--no-line-editing} and @code{--silent}.\n\ |
|
|
833 \n\ |
|
|
834 If you write an executable Octave script, @code{argv} will contain the\n\ |
|
3402
|
835 list of arguments passed to the script. @xref{Executable Octave Programs},\n\ |
|
|
836 for an example of how to create an executable Octave script.\n\ |
|
3333
|
837 @end defvr"); |
|
2806
|
838 |
|
3020
|
839 DEFCONST (program_invocation_name, |
|
3141
|
840 octave_env::get_program_invocation_name (), |
|
3332
|
841 "-*- texinfo -*-\n\ |
|
|
842 @defvr {Built-in Variable} program_invocation_name\n\ |
|
|
843 @defvrx {Built-in Variable} program_name\n\ |
|
|
844 When Octave starts, the value of the built-in variable\n\ |
|
|
845 @code{program_invocation_name} is automatically set to the name that was\n\ |
|
|
846 typed at the shell prompt to run Octave, and the value of\n\ |
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847 @code{program_name} is automatically set to the final component of\n\ |
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848 @code{program_invocation_name}. For example, if you typed\n\ |
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849 @samp{@value{OCTAVEHOME}/bin/octave} to start Octave,\n\ |
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850 @code{program_invocation_name} would have the value\n\ |
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851 @code{\"@value{OCTAVEHOME}/bin/octave\"}, and @code{program_name} would\n\ |
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852 have the value @code{\"octave\"}.\n\ |
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853 \n\ |
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854 If executing a script from the command line (e.g., @code{octave foo.m})\n\ |
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855 or using an executable Octave script, the program name is set to the\n\ |
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3402
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856 name of the script. @xref{Executable Octave Programs}, for an example of\n\ |
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3332
|
857 how to create an executable Octave script.\n\ |
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3333
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858 @end defvr"); |
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3020
|
859 |
|
3141
|
860 DEFCONST (program_name, octave_env::get_program_name (), |
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3332
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861 "-*- texinfo -*-\n\ |
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|
862 @defvr {Built-in Variable} program_invocation_name\n\ |
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863 @defvrx {Built-in Variable} program_name\n\ |
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864 When Octave starts, the value of the built-in variable\n\ |
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865 @code{program_invocation_name} is automatically set to the name that was\n\ |
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866 typed at the shell prompt to run Octave, and the value of\n\ |
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867 @code{program_name} is automatically set to the final component of\n\ |
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868 @code{program_invocation_name}. For example, if you typed\n\ |
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869 @samp{@value{OCTAVEHOME}/bin/octave} to start Octave,\n\ |
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870 @code{program_invocation_name} would have the value\n\ |
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871 @code{\"@value{OCTAVEHOME}/bin/octave\"}, and @code{program_name} would\n\ |
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872 have the value @code{\"octave\"}.\n\ |
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873 \n\ |
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874 If executing a script from the command line (e.g., @code{octave foo.m})\n\ |
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|
875 or using an executable Octave script, the program name is set to the\n\ |
|
3402
|
876 name of the script. @xref{Executable Octave Programs}, for an example of\n\ |
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3332
|
877 how to create an executable Octave script.\n\ |
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3333
|
878 @end defvr"); |
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|
879 |
|
2806
|
880 } |
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|
881 |
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1683
|
882 /* |
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883 ;;; Local Variables: *** |
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884 ;;; mode: C++ *** |
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885 ;;; End: *** |
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886 */ |
