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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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1728
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33 #include <string> |
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34 |
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1683
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35 #ifdef HAVE_UNISTD_H |
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2442
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36 #ifdef HAVE_SYS_TYPES_H |
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37 #include <sys/types.h> |
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2442
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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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2926
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42 #include "cmd-edit.h" |
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43 #include "file-ops.h" |
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1683
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44 #include "lo-error.h" |
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2370
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45 #include "lo-mappers.h" |
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4051
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46 #include "lo-sstream.h" |
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3020
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47 #include "oct-env.h" |
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4153
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48 #include "quit.h" |
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1755
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49 #include "str-vec.h" |
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50 |
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2492
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51 #include <defaults.h> |
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52 #include "defun.h" |
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53 #include "error.h" |
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54 #include "file-io.h" |
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55 #include "input.h" |
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56 #include "lex.h" |
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2492
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57 #include <oct-conf.h> |
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1742
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58 #include "oct-hist.h" |
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2162
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59 #include "oct-map.h" |
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2862
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60 #include "oct-obj.h" |
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1683
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61 #include "pager.h" |
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62 #include "parse.h" |
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63 #include "pathsearch.h" |
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64 #include "procstream.h" |
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2370
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65 #include "ov.h" |
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2985
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66 #include "pt-jump.h" |
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1750
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67 #include "pt-plot.h" |
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2982
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68 #include "pt-stmt.h" |
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69 #include "sighandlers.h" |
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70 #include "sysdep.h" |
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2693
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71 #include "syswait.h" |
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1750
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72 #include "toplev.h" |
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73 #include "unwind-prot.h" |
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74 #include "utils.h" |
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75 #include "variables.h" |
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2492
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76 #include <version.h> |
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77 |
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3020
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78 // TRUE means we are exiting via the builtin exit or quit functions. |
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79 static bool quitting_gracefully = false; |
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80 |
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4172
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81 // TRUE means we've processed all the init code and we are good to go. |
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82 bool octave_initialized = false; |
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83 |
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84 // Current command to execute. |
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85 tree_statement_list *global_command = 0; |
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86 |
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87 // Pointer to function that is currently being evaluated. |
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88 octave_user_function *curr_function = 0; |
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89 |
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3834
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90 // Original value of TEXMFDBS environment variable. |
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91 std::string octave_original_texmfdbs; |
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92 |
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4180
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93 static void |
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94 recover_from_exception (void) |
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95 { |
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96 unwind_protect::run_all (); |
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97 can_interrupt = true; |
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98 SET_OCTAVE_INTERRUPT_IMMEDIATELY (0); |
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99 octave_interrupt_state = 0; |
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100 octave_allocation_error = 0; |
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101 octave_restore_signal_mask (); |
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102 octave_catch_interrupts (); |
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103 } |
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104 |
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105 int |
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106 main_loop (void) |
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107 { |
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108 octave_save_signal_mask (); |
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109 |
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110 if (octave_set_current_context) |
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111 { |
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112 #if defined (USE_EXCEPTIONS_FOR_INTERRUPTS) |
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113 panic_impossible (); |
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114 #else |
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115 unwind_protect::run_all (); |
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116 raw_mode (0); |
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117 std::cout << "\n"; |
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118 octave_restore_signal_mask (); |
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119 #endif |
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1907
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120 } |
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121 |
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122 can_interrupt = true; |
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1907
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123 |
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2554
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124 octave_catch_interrupts (); |
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1907
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125 |
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4172
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126 octave_initialized = true; |
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127 |
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1907
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128 // The big loop. |
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129 |
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130 int retval = 0; |
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1907
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131 do |
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132 { |
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4180
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133 try |
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1907
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134 { |
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135 curr_sym_tab = top_level_sym_tab; |
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136 |
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137 reset_parser (); |
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138 |
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139 retval = yyparse (); |
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140 |
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141 if (retval == 0) |
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142 { |
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143 if (global_command) |
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3804
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144 { |
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145 global_command->eval (); |
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146 |
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147 delete global_command; |
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148 |
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149 global_command = 0; |
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150 |
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4171
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151 OCTAVE_QUIT; |
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152 |
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153 if (! (interactive || forced_interactive)) |
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154 { |
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4173
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155 bool quit = (tree_return_expression::returning |
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156 || tree_break_expression::breaking); |
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157 |
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4173
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158 if (tree_return_expression::returning) |
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159 tree_return_expression::returning = 0; |
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160 |
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4173
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161 if (tree_break_expression::breaking) |
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162 tree_break_expression::breaking--; |
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163 |
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164 if (quit) |
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165 break; |
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166 } |
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167 |
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168 if (error_state) |
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169 { |
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170 if (! (interactive || forced_interactive)) |
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171 { |
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172 // We should exit with a non-zero status. |
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173 retval = 1; |
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174 break; |
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175 } |
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176 } |
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177 else |
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178 { |
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179 if (octave_completion_matches_called) |
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180 octave_completion_matches_called = false; |
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181 else |
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182 command_editor::increment_current_command_number (); |
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183 } |
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184 } |
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185 else if (parser_end_of_input) |
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186 break; |
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187 } |
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4153
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188 } |
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189 OCTAVE_CATCH_INTERRUPTS |
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190 { |
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4180
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191 recover_from_exception (); |
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192 std::cout << "\n"; |
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4180
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193 } |
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4181
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194 catch (std::bad_alloc) |
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4180
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195 { |
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196 recover_from_exception (); |
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197 std::cerr |
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198 << "error: memory exhausted -- trying to return to prompt\n"; |
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1907
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199 } |
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200 } |
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201 while (retval == 0); |
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202 |
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203 return retval; |
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204 } |
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205 |
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206 // Fix up things before exiting. |
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207 |
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208 void |
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3162
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209 clean_up_and_exit (int retval) |
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210 { |
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3216
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211 do_octave_atexit (); |
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212 |
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3162
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213 exit (retval == EOF ? 0 : retval); |
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214 } |
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215 |
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1957
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216 DEFUN_TEXT (casesen, args, , |
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217 "-*- texinfo -*-\n\ |
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218 @deffn {Command} casesen arg\n\ |
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219 Provided for compatibility with Matlab, but does nothing.\n\ |
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220 @end deffn") |
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221 { |
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222 octave_value_list retval; |
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223 |
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224 int argc = args.length () + 1; |
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225 |
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1965
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226 string_vector argv = args.make_argv ("casesen"); |
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227 |
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228 if (error_state) |
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229 return retval; |
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230 |
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231 if (argc == 1 || (argc > 1 && argv[1] == "off")) |
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232 warning ("casesen: sorry, Octave is always case sensitive"); |
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233 else if (argc > 1 && argv[1] == "on") |
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234 ; // ok. |
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235 else |
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236 print_usage ("casesen"); |
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237 |
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238 return retval; |
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239 } |
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240 |
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1957
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241 DEFUN (computer, args, nargout, |
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242 "-*- texinfo -*-\n\ |
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243 @deftypefn {Built-in Function} {} computer ()\n\ |
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244 Print or return a string of the form @var{cpu}-@var{vendor}-@var{os}\n\ |
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245 that identifies the kind of computer Octave is running on. If invoked\n\ |
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246 with an output argument, the value is returned instead of printed. For\n\ |
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247 example,\n\ |
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248 \n\ |
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3301
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249 @example\n\ |
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250 @group\n\ |
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251 computer ()\n\ |
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252 @print{} i586-pc-linux-gnu\n\ |
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253 \n\ |
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254 x = computer ()\n\ |
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255 @result{} x = \"i586-pc-linux-gnu\"\n\ |
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256 @end group\n\ |
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257 @end example\n\ |
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258 @end deftypefn") |
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259 { |
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2086
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260 octave_value_list retval; |
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261 |
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262 int nargin = args.length (); |
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263 |
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264 if (nargin != 0) |
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265 warning ("computer: ignoring extra arguments"); |
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266 |
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3523
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267 std::string msg; |
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268 |
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3584
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269 if (strcmp (OCTAVE_CANONICAL_HOST_TYPE, "unknown") == 0) |
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270 msg = "Hi Dave, I'm a HAL-9000"; |
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271 else |
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272 msg = OCTAVE_CANONICAL_HOST_TYPE; |
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273 |
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274 if (nargout == 0) |
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275 octave_stdout << msg << "\n"; |
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276 else |
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277 retval = msg; |
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278 |
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279 return retval; |
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280 } |
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281 |
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3180
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282 DEFUN (quit, args, nargout, |
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3332
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283 "-*- texinfo -*-\n\ |
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284 @deftypefn {Built-in Function} {} exit (@var{status})\n\ |
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285 @deftypefnx {Built-in Function} {} quit (@var{status})\n\ |
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286 Exit the current Octave session. If the optional integer value\n\ |
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287 @var{status} is supplied, pass that value to the operating system as the\n\ |
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288 Octave's exit status.\n\ |
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3333
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289 @end deftypefn") |
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290 { |
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2086
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291 octave_value_list retval; |
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2068
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292 |
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3180
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293 if (nargout == 0) |
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2068
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294 { |
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3180
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295 int exit_status = 0; |
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296 |
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297 quitting_gracefully = true; |
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298 |
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3180
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299 if (args.length () > 0) |
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300 { |
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3202
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301 int tmp = args(0).nint_value (); |
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302 |
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3202
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303 if (! error_state) |
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304 exit_status = tmp; |
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3180
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305 } |
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306 |
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307 clean_up_and_exit (exit_status); |
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2068
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308 } |
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3180
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309 else |
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310 error ("quit: invalid number of output arguments"); |
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2068
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311 |
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312 return retval; |
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313 } |
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314 |
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315 DEFALIAS (exit, quit); |
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316 |
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1957
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317 DEFUN (warranty, , , |
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3446
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318 "-*- texinfo -*-\n\ |
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319 @deftypefn {Built-in Function} {} warranty ()\n\ |
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320 Describe the conditions for copying and distributing Octave.\n\ |
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321 @end deftypefn") |
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1683
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322 { |
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2086
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323 octave_value_list retval; |
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324 |
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3922
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325 octave_stdout << "\n" \ |
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326 OCTAVE_NAME_VERSION_AND_COPYRIGHT "\n\ |
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327 \n\ |
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1683
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328 This program is free software; you can redistribute it and/or modify\n\ |
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329 it under the terms of the GNU General Public License as published by\n\ |
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330 the Free Software Foundation; either version 2 of the License, or\n\ |
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331 (at your option) any later version.\n\ |
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332 \n\ |
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333 This program is distributed in the hope that it will be useful,\n\ |
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334 but WITHOUT ANY WARRANTY; without even the implied warranty of\n\ |
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335 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n\ |
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336 GNU General Public License for more details.\n\ |
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337 \n\ |
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338 You should have received a copy of the GNU General Public License\n\ |
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339 along with this program. If not, write to the Free Software\n\ |
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340 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\n\ |
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341 \n"; |
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342 |
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343 return retval; |
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344 } |
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345 |
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346 // Execute a shell command. |
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347 |
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1965
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348 static void |
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349 cleanup_iprocstream (void *p) |
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350 { |
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3060
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351 iprocstream *cmd = static_cast<iprocstream *> (p); |
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352 |
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353 octave_child_list::remove (cmd->pid ()); |
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354 |
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355 delete cmd; |
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1965
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356 } |
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357 |
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2086
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358 static octave_value_list |
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3523
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359 run_command_and_return_output (const std::string& cmd_str) |
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2083
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360 { |
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2086
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361 octave_value_list retval; |
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2083
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362 |
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363 iprocstream *cmd = new iprocstream (cmd_str.c_str ()); |
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364 |
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3060
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365 if (cmd) |
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2083
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366 { |
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3060
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367 unwind_protect::add (cleanup_iprocstream, cmd); |
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368 |
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369 if (*cmd) |
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370 { |
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4051
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371 OSSTREAM output_buf; |
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2095
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372 |
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3147
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373 // XXX FIXME XXX -- sometimes, the subprocess hasn't written |
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374 // anything before we try to read from the procstream. The |
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375 // kluge below (simply waiting and trying again) is ugly, |
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376 // but it seems to work, at least most of the time. It |
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377 // could probably still fail if the subprocess hasn't |
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378 // started writing after the snooze. Isn't there a better |
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379 // way? If there is, you should also fix the code for the |
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380 // ls function in dirfns.cc. |
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381 |
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3060
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382 char ch; |
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3147
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383 |
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384 if (cmd->get (ch)) |
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385 output_buf.put (ch); |
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386 else |
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387 { |
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388 cmd->clear (); |
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389 |
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3308
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390 octave_usleep (100); |
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3147
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391 } |
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392 |
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3060
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393 while (cmd->get (ch)) |
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394 output_buf.put (ch); |
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2083
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395 |
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3252
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396 int cmd_status = cmd->close (); |
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2083
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397 |
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3060
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398 if (WIFEXITED (cmd_status)) |
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399 cmd_status = WEXITSTATUS (cmd_status); |
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400 else |
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401 cmd_status = 127; |
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2083
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402 |
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4051
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403 output_buf << OSSTREAM_ENDS; |
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2083
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404 |
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3060
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405 retval(1) = (double) cmd_status; |
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4051
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406 retval(0) = OSSTREAM_STR (output_buf); |
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2083
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407 |
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4051
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408 OSSTREAM_FREEZE (output_buf); |
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3060
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409 } |
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410 |
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411 unwind_protect::run (); |
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2083
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412 } |
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413 else |
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414 error ("unable to start subprocess for `%s'", cmd_str.c_str ()); |
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415 |
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416 return retval; |
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417 } |
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418 |
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3834
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419 static void |
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420 restore_texmfdbs_envvar (void *ptr) |
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421 { |
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422 std::string *s = static_cast<std::string *> (ptr); |
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423 |
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424 octave_env::putenv ("TEXMFDBS", *s); |
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425 } |
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426 |
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1957
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427 DEFUN (system, args, nargout, |
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3301
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428 "-*- texinfo -*-\n\ |
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429 @deftypefn {Built-in Function} {} system (@var{string}, @var{return_output}, @var{type})\n\ |
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430 Execute a shell command specified by @var{string}. The second\n\ |
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431 argument is optional. If @var{type} is @code{\"async\"}, the process\n\ |
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432 is started in the background and the process id of the child process\n\ |
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433 is returned immediately. Otherwise, the process is started, and\n\ |
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434 Octave waits until it exits. If @var{type} argument is omitted, a\n\ |
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435 value of @code{\"sync\"} is assumed.\n\ |
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2083
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436 \n\ |
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3301
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437 If two input arguments are given (the actual value of\n\ |
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438 @var{return_output} is irrelevant) and the subprocess is started\n\ |
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439 synchronously, or if @var{system} is called with one input argument and\n\ |
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440 one or more output arguments, the output from the command is returned.\n\ |
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2083
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441 Otherwise, if the subprocess is executed synchronously, it's output is\n\ |
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2321
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442 sent to the standard output. To send the output of a command executed\n\ |
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3301
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443 with @var{system} through the pager, use a command like\n\ |
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2321
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444 \n\ |
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3301
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445 @example\n\ |
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446 disp (system (cmd, 1));\n\ |
|
|
447 @end example\n\ |
|
2321
|
448 \n\ |
|
3301
|
449 @noindent\n\ |
|
2321
|
450 or\n\ |
|
|
451 \n\ |
|
3301
|
452 @example\n\ |
|
|
453 printf (\"%s\n\", system (cmd, 1));\n\ |
|
|
454 @end example\n\ |
|
|
455 \n\ |
|
|
456 The @code{system} function can return two values. The first is any\n\ |
|
|
457 output from the command that was written to the standard output stream,\n\ |
|
|
458 and the second is the output status of the command. For example,\n\ |
|
|
459 \n\ |
|
|
460 @example\n\ |
|
|
461 [output, status] = system (\"echo foo; exit 2\");\n\ |
|
|
462 @end example\n\ |
|
|
463 \n\ |
|
|
464 @noindent\n\ |
|
|
465 will set the variable @code{output} to the string @samp{foo}, and the\n\ |
|
|
466 variable @code{status} to the integer @samp{2}.\n\ |
|
|
467 @end deftypefn") |
|
1683
|
468 { |
|
2086
|
469 octave_value_list retval; |
|
1683
|
470 |
|
3834
|
471 unwind_protect::begin_frame ("Fsystem"); |
|
|
472 |
|
1683
|
473 int nargin = args.length (); |
|
|
474 |
|
2083
|
475 if (nargin > 0 && nargin < 4) |
|
1683
|
476 { |
|
2083
|
477 bool return_output = (nargout > 0 || nargin > 1); |
|
|
478 |
|
3523
|
479 std::string cmd_str = args(0).string_value (); |
|
2083
|
480 |
|
|
481 enum exec_type { sync, async }; |
|
|
482 |
|
|
483 exec_type type = sync; |
|
|
484 |
|
|
485 if (! error_state) |
|
|
486 { |
|
|
487 if (nargin > 2) |
|
|
488 { |
|
3523
|
489 std::string type_str = args(2).string_value (); |
|
1683
|
490 |
|
2083
|
491 if (! error_state) |
|
|
492 { |
|
|
493 if (type_str == "sync") |
|
|
494 type = sync; |
|
|
495 else if (type_str == "async") |
|
|
496 type = async; |
|
|
497 else |
|
|
498 error ("system: third arg must be \"sync\" or \"async\""); |
|
|
499 } |
|
|
500 else |
|
|
501 error ("system: third argument must be a string"); |
|
|
502 } |
|
|
503 } |
|
|
504 else |
|
3523
|
505 error ("system: expecting std::string as first argument"); |
|
1683
|
506 |
|
2083
|
507 if (! error_state) |
|
|
508 { |
|
3834
|
509 // The value of TEXMFDBS that Octave puts in the environment |
|
|
510 // will cause trouble if we are asked to run TeX, so we |
|
|
511 // should reset it to whatever it was before Octave started. |
|
|
512 // |
|
|
513 // XXX FIXME XXX -- it would be better to fix the |
|
|
514 // kpathsearch library to not always do TeX-specific |
|
|
515 // things... |
|
|
516 |
|
3841
|
517 static std::string odb; |
|
3834
|
518 |
|
|
519 odb = octave_env::getenv ("TEXMFDBS"); |
|
|
520 |
|
|
521 unwind_protect::add (restore_texmfdbs_envvar, &odb); |
|
|
522 |
|
|
523 octave_env::putenv ("TEXMFDBS", octave_original_texmfdbs); |
|
|
524 |
|
2083
|
525 if (type == async) |
|
|
526 { |
|
4086
|
527 #ifdef HAVE_FORK |
|
2083
|
528 pid_t pid = fork (); |
|
|
529 |
|
|
530 if (pid < 0) |
|
|
531 error ("system: fork failed -- can't create child process"); |
|
|
532 else if (pid == 0) |
|
|
533 { |
|
3273
|
534 // XXX FIXME XXX -- should probably replace this |
|
|
535 // call with something portable. |
|
|
536 |
|
|
537 execl ("/bin/sh", "sh", "-c", cmd_str.c_str (), 0); |
|
|
538 |
|
|
539 panic_impossible (); |
|
2083
|
540 } |
|
|
541 else |
|
2800
|
542 retval(0) = static_cast<double> (pid); |
|
4086
|
543 #else |
|
|
544 error ("asynchronous system calls are not supported"); |
|
|
545 #endif |
|
2083
|
546 } |
|
2321
|
547 else if (return_output) |
|
|
548 retval = run_command_and_return_output (cmd_str); |
|
2083
|
549 else |
|
2321
|
550 { |
|
|
551 int status = system (cmd_str.c_str ()); |
|
|
552 |
|
|
553 // The value in status is as returned by waitpid. If |
|
|
554 // the process exited normally, extract the actual exit |
|
|
555 // status of the command. Otherwise, return 127 as a |
|
|
556 // failure code. |
|
|
557 |
|
2693
|
558 if (WIFEXITED (status)) |
|
|
559 status = WEXITSTATUS (status); |
|
2321
|
560 |
|
2800
|
561 retval = static_cast<double> (status); |
|
2321
|
562 } |
|
2083
|
563 } |
|
1683
|
564 } |
|
|
565 else |
|
2083
|
566 print_usage ("system"); |
|
1683
|
567 |
|
3834
|
568 unwind_protect::run_frame ("Fsystem"); |
|
|
569 |
|
1683
|
570 return retval; |
|
|
571 } |
|
|
572 |
|
|
573 DEFALIAS (shell_cmd, system); |
|
|
574 |
|
2614
|
575 // XXX FIXME XXX -- this should really be static, but that causes |
|
|
576 // problems on some systems. |
|
3523
|
577 SLStack<std::string> octave_atexit_functions; |
|
2077
|
578 |
|
|
579 void |
|
|
580 do_octave_atexit (void) |
|
|
581 { |
|
3216
|
582 static bool deja_vu = false; |
|
|
583 |
|
2077
|
584 while (! octave_atexit_functions.empty ()) |
|
|
585 { |
|
2086
|
586 octave_value_list fcn = octave_atexit_functions.pop (); |
|
2077
|
587 |
|
2942
|
588 feval (fcn, 0); |
|
3215
|
589 |
|
|
590 flush_octave_stdout (); |
|
2077
|
591 } |
|
3216
|
592 |
|
|
593 if (! deja_vu) |
|
|
594 { |
|
|
595 deja_vu = true; |
|
|
596 |
|
|
597 command_editor::restore_terminal_state (); |
|
|
598 |
|
|
599 // XXX FIXME XXX -- is this needed? Can it cause any trouble? |
|
|
600 raw_mode (0); |
|
|
601 |
|
|
602 command_history::clean_up_and_save (); |
|
|
603 |
|
|
604 close_plot_stream (); |
|
|
605 |
|
|
606 close_files (); |
|
|
607 |
|
|
608 cleanup_tmp_files (); |
|
|
609 |
|
|
610 flush_octave_stdout (); |
|
|
611 |
|
|
612 if (!quitting_gracefully && (interactive || forced_interactive)) |
|
3531
|
613 std::cout << "\n"; |
|
3216
|
614 } |
|
2077
|
615 } |
|
|
616 |
|
2162
|
617 DEFUN (atexit, args, , |
|
3332
|
618 "-*- texinfo -*-\n\ |
|
|
619 @deftypefn {Built-in Function} {} atexit (@var{fcn})\n\ |
|
|
620 Register a function to be called when Octave exits. For example,\n\ |
|
2077
|
621 \n\ |
|
3332
|
622 @example\n\ |
|
|
623 @group\n\ |
|
3686
|
624 function print_fortune ()\n\ |
|
3332
|
625 printf (\"\\n%s\\n\", system (\"fortune\"));\n\ |
|
|
626 fflush (stdout);\n\ |
|
|
627 endfunction\n\ |
|
3686
|
628 atexit (\"print_fortune\");\n\ |
|
3332
|
629 @end group\n\ |
|
|
630 @end example\n\ |
|
|
631 \n\ |
|
|
632 @noindent\n\ |
|
|
633 will print a message when Octave exits.\n\ |
|
3333
|
634 @end deftypefn") |
|
2077
|
635 { |
|
2086
|
636 octave_value_list retval; |
|
2077
|
637 |
|
|
638 int nargin = args.length (); |
|
|
639 |
|
|
640 if (nargin == 1) |
|
|
641 { |
|
2475
|
642 #if defined (HAVE_ATEXIT) || defined (HAVE_ON_EXIT) |
|
3523
|
643 std::string arg = args(0).string_value (); |
|
2077
|
644 |
|
|
645 if (! error_state) |
|
|
646 octave_atexit_functions.push (arg); |
|
|
647 else |
|
|
648 error ("atexit: argument must be a string"); |
|
2475
|
649 #else |
|
|
650 gripe_not_supported ("atexit"); |
|
|
651 #endif |
|
2077
|
652 } |
|
|
653 else |
|
|
654 print_usage ("atexit"); |
|
|
655 |
|
|
656 return retval; |
|
|
657 } |
|
|
658 |
|
2689
|
659 DEFUN (octave_config_info, args, , |
|
3301
|
660 "-*- texinfo -*-\n\ |
|
|
661 @deftypefn {Built-in Function} {} octave_config_info (@var{option})\n\ |
|
|
662 Return a structure containing configuration and installation\n\ |
|
|
663 information for Octave.\n\ |
|
2689
|
664 \n\ |
|
3301
|
665 if @var{option} is a string, return the configuration information for the\n\ |
|
2689
|
666 specified option.\n\ |
|
|
667 \n\ |
|
3301
|
668 @end deftypefn") |
|
2162
|
669 { |
|
2689
|
670 octave_value retval; |
|
|
671 |
|
4128
|
672 #if defined (ENABLE_DYNAMIC_LINKING) |
|
2689
|
673 bool octave_supports_dynamic_linking = true; |
|
|
674 #else |
|
|
675 bool octave_supports_dynamic_linking = false; |
|
|
676 #endif |
|
|
677 |
|
2162
|
678 Octave_map m; |
|
|
679 |
|
3584
|
680 m ["ALL_CFLAGS"] = OCTAVE_CONF_ALL_CFLAGS; |
|
|
681 m ["ALL_CXXFLAGS"] = OCTAVE_CONF_ALL_CXXFLAGS; |
|
|
682 m ["ALL_FFLAGS"] = OCTAVE_CONF_ALL_FFLAGS; |
|
|
683 m ["ALL_LDFLAGS"] = OCTAVE_CONF_ALL_LDFLAGS; |
|
|
684 m ["AR"] = OCTAVE_CONF_AR; |
|
|
685 m ["ARFLAGS"] = OCTAVE_CONF_ARFLAGS; |
|
3726
|
686 m ["BLAS_LIBS"] = OCTAVE_CONF_BLAS_LIBS; |
|
3584
|
687 m ["CC"] = OCTAVE_CONF_CC; |
|
|
688 m ["CC_VERSION"] = OCTAVE_CONF_CC_VERSION; |
|
|
689 m ["CFLAGS"] = OCTAVE_CONF_CFLAGS; |
|
|
690 m ["CPICFLAG"] = OCTAVE_CONF_CPICFLAG; |
|
|
691 m ["CPPFLAGS"] = OCTAVE_CONF_CPPFLAGS; |
|
|
692 m ["CXX"] = OCTAVE_CONF_CXX; |
|
|
693 m ["CXXCPP"] = OCTAVE_CONF_CXXCPP; |
|
|
694 m ["CXXFLAGS"] = OCTAVE_CONF_CXXFLAGS; |
|
|
695 m ["CXXPICFLAG"] = OCTAVE_CONF_CXXPICFLAG; |
|
|
696 m ["CXX_VERSION"] = OCTAVE_CONF_CXX_VERSION; |
|
|
697 m ["DEFAULT_PAGER"] = OCTAVE_DEFAULT_PAGER; |
|
|
698 m ["DLFCN_INCFLAGS"] = OCTAVE_CONF_DLFCN_INCFLAGS; |
|
3892
|
699 m ["EXEEXT"] = OCTAVE_CONF_EXEEXT; |
|
3584
|
700 m ["F2C"] = OCTAVE_CONF_F2C; |
|
|
701 m ["F2CFLAGS"] = OCTAVE_CONF_F2CFLAGS; |
|
|
702 m ["F77"] = OCTAVE_CONF_F77; |
|
|
703 m ["FC"] = OCTAVE_CONF_FC; |
|
|
704 m ["FFLAGS"] = OCTAVE_CONF_FFLAGS; |
|
3859
|
705 m ["FFTW_LIBS"] = OCTAVE_CONF_FFTW_LIBS; |
|
3584
|
706 m ["FLIBS"] = OCTAVE_CONF_FLIBS; |
|
|
707 m ["FPICFLAG"] = OCTAVE_CONF_FPICFLAG; |
|
|
708 m ["GLOB_INCFLAGS"] = OCTAVE_CONF_GLOB_INCFLAGS; |
|
|
709 m ["INCFLAGS"] = OCTAVE_CONF_INCFLAGS; |
|
|
710 m ["LDFLAGS"] = OCTAVE_CONF_LDFLAGS; |
|
3859
|
711 m ["LD_CXX"] = OCTAVE_CONF_LD_CXX; |
|
3584
|
712 m ["LD_STATIC_FLAG"] = OCTAVE_CONF_LD_STATIC_FLAG; |
|
|
713 m ["LEX"] = OCTAVE_CONF_LEX; |
|
|
714 m ["LEXLIB"] = OCTAVE_CONF_LEXLIB; |
|
|
715 m ["LFLAGS"] = OCTAVE_CONF_LFLAGS; |
|
|
716 m ["LIBCRUFT"] = OCTAVE_CONF_LIBCRUFT; |
|
|
717 m ["LIBDLFCN"] = OCTAVE_CONF_LIBDLFCN; |
|
|
718 m ["LIBEXT"] = OCTAVE_CONF_LIBEXT; |
|
|
719 m ["LIBFLAGS"] = OCTAVE_CONF_LIBFLAGS; |
|
|
720 m ["LIBGLOB"] = OCTAVE_CONF_LIBGLOB; |
|
|
721 m ["LIBKPATHSEA"] = OCTAVE_CONF_LIBKPATHSEA; |
|
|
722 m ["LIBOCTAVE"] = OCTAVE_CONF_LIBOCTAVE; |
|
|
723 m ["LIBOCTINTERP"] = OCTAVE_CONF_LIBOCTINTERP; |
|
|
724 m ["LIBPLPLOT"] = OCTAVE_CONF_LIBPLPLOT; |
|
4102
|
725 m ["LIBREADLINE"] = OCTAVE_CONF_LIBREADLINE; |
|
3584
|
726 m ["LIBS"] = OCTAVE_CONF_LIBS; |
|
|
727 m ["LN_S"] = OCTAVE_CONF_LN_S; |
|
3591
|
728 m ["MKOCTFILE_INCFLAGS"] = OCTAVE_CONF_MKOCTFILE_INCFLAGS; |
|
3859
|
729 m ["MKOCTFILE_LFLAGS"] = OCTAVE_CONF_MKOCTFILE_LFLAGS; |
|
3584
|
730 m ["RANLIB"] = OCTAVE_CONF_RANLIB; |
|
|
731 m ["RDYNAMIC_FLAG"] = OCTAVE_CONF_RDYNAMIC_FLAG; |
|
|
732 m ["RLD_FLAG"] = OCTAVE_CONF_RLD_FLAG; |
|
|
733 m ["RUNTEST"] = OCTAVE_CONF_RUNTEST; |
|
4084
|
734 m ["SED"] = OCTAVE_CONF_SED; |
|
3584
|
735 m ["SHARED_LIBS"] = OCTAVE_CONF_SHARED_LIBS; |
|
|
736 m ["SHLEXT"] = OCTAVE_CONF_SHLEXT; |
|
|
737 m ["SHLEXT_VER"] = OCTAVE_CONF_SHLEXT_VER; |
|
|
738 m ["SH_LD"] = OCTAVE_CONF_SH_LD; |
|
|
739 m ["SH_LDFLAGS"] = OCTAVE_CONF_SH_LDFLAGS; |
|
|
740 m ["SONAME_FLAGS"] = OCTAVE_CONF_SONAME_FLAGS; |
|
|
741 m ["STATIC_LIBS"] = OCTAVE_CONF_STATIC_LIBS; |
|
|
742 m ["UGLY_DEFS"] = OCTAVE_CONF_DEFS; |
|
|
743 m ["UGLY_DEFS"] = OCTAVE_CONF_UGLY_DEFS; |
|
4128
|
744 m ["ENABLE_DYNAMIC_LINKING"] = OCTAVE_CONF_ENABLE_DYNAMIC_LINKING; |
|
3584
|
745 m ["XTRA_CFLAGS"] = OCTAVE_CONF_XTRA_CFLAGS; |
|
|
746 m ["XTRA_CXXFLAGS"] = OCTAVE_CONF_XTRA_CXXFLAGS; |
|
|
747 m ["YACC"] = OCTAVE_CONF_YACC; |
|
|
748 m ["YFLAGS"] = OCTAVE_CONF_YFLAGS; |
|
|
749 m ["archlibdir"] = OCTAVE_ARCHLIBDIR; |
|
|
750 m ["bindir"] = OCTAVE_BINDIR; |
|
|
751 m ["canonical_host_type"] = OCTAVE_CANONICAL_HOST_TYPE; |
|
|
752 m ["config_opts"] = OCTAVE_CONF_config_opts; |
|
2162
|
753 m ["datadir"] = OCTAVE_DATADIR; |
|
2800
|
754 m ["dld"] = static_cast<double> (octave_supports_dynamic_linking); |
|
3584
|
755 m ["exec_prefix"] = OCTAVE_EXEC_PREFIX; |
|
2162
|
756 m ["fcnfiledir"] = OCTAVE_FCNFILEDIR; |
|
|
757 m ["fcnfilepath"] = OCTAVE_FCNFILEPATH; |
|
3584
|
758 m ["imagedir"] = OCTAVE_IMAGEDIR; |
|
2162
|
759 m ["imagepath"] = OCTAVE_IMAGEPATH; |
|
3584
|
760 m ["includedir"] = OCTAVE_INCLUDEDIR; |
|
|
761 m ["infodir"] = OCTAVE_INFODIR; |
|
|
762 m ["infofile"] = OCTAVE_INFOFILE; |
|
|
763 m ["libdir"] = OCTAVE_LIBDIR; |
|
|
764 m ["libexecdir"] = OCTAVE_LIBEXECDIR; |
|
|
765 m ["localarchlibdir"] = OCTAVE_LOCALARCHLIBDIR; |
|
|
766 m ["localfcnfiledir"] = OCTAVE_LOCALFCNFILEDIR; |
|
|
767 m ["localfcnfilepath"] = OCTAVE_LOCALFCNFILEPATH; |
|
|
768 m ["localoctfiledir"] = OCTAVE_LOCALOCTFILEDIR; |
|
|
769 m ["localoctfilepath"] = OCTAVE_LOCALOCTFILEPATH; |
|
|
770 m ["localstartupfiledir"] = OCTAVE_LOCALSTARTUPFILEDIR; |
|
3597
|
771 m ["localverarchlibdir"] = OCTAVE_LOCALVERARCHLIBDIR; |
|
|
772 m ["localverfcnfiledir"] = OCTAVE_LOCALVERFCNFILEDIR; |
|
|
773 m ["localveroctfiledir"] = OCTAVE_LOCALVEROCTFILEDIR; |
|
3584
|
774 m ["man1dir"] = OCTAVE_MAN1DIR; |
|
|
775 m ["man1ext"] = OCTAVE_MAN1EXT; |
|
|
776 m ["mandir"] = OCTAVE_MANDIR; |
|
|
777 m ["octfiledir"] = OCTAVE_OCTFILEDIR; |
|
|
778 m ["octincludedir"] = OCTAVE_OCTINCLUDEDIR; |
|
|
779 m ["octlibdir"] = OCTAVE_OCTLIBDIR; |
|
|
780 m ["prefix"] = OCTAVE_PREFIX; |
|
|
781 m ["startupfiledir"] = OCTAVE_STARTUPFILEDIR; |
|
|
782 m ["version"] = OCTAVE_VERSION; |
|
2162
|
783 |
|
2689
|
784 int nargin = args.length (); |
|
|
785 |
|
|
786 if (nargin == 1) |
|
|
787 { |
|
3523
|
788 std::string arg = args(0).string_value (); |
|
2689
|
789 |
|
|
790 if (! error_state) |
|
3933
|
791 retval = octave_value (m [arg.c_str ()](0)); |
|
2689
|
792 } |
|
|
793 else if (nargin == 0) |
|
|
794 retval = octave_value (m); |
|
|
795 else |
|
|
796 print_usage ("octave_config_info"); |
|
|
797 |
|
|
798 return retval; |
|
2162
|
799 } |
|
|
800 |
|
1683
|
801 #if defined (__GNUG__) && defined (DEBUG_NEW_DELETE) |
|
2806
|
802 |
|
1683
|
803 int debug_new_delete = 0; |
|
|
804 |
|
|
805 typedef void (*vfp)(void); |
|
|
806 extern vfp __new_handler; |
|
|
807 |
|
|
808 void * |
|
|
809 __builtin_new (size_t sz) |
|
|
810 { |
|
|
811 void *p; |
|
|
812 |
|
|
813 /* malloc (0) is unpredictable; avoid it. */ |
|
|
814 if (sz == 0) |
|
|
815 sz = 1; |
|
2800
|
816 p = malloc (sz); |
|
1683
|
817 while (p == 0) |
|
|
818 { |
|
|
819 (*__new_handler) (); |
|
2800
|
820 p = malloc (sz); |
|
1683
|
821 } |
|
|
822 |
|
|
823 if (debug_new_delete) |
|
3538
|
824 std::cout << "__builtin_new: " << p << std::endl; |
|
1683
|
825 |
|
|
826 return p; |
|
|
827 } |
|
|
828 |
|
|
829 void |
|
|
830 __builtin_delete (void *ptr) |
|
|
831 { |
|
|
832 if (debug_new_delete) |
|
3538
|
833 std::cout << "__builtin_delete: " << ptr << std::endl; |
|
1683
|
834 |
|
|
835 if (ptr) |
|
|
836 free (ptr); |
|
|
837 } |
|
2806
|
838 |
|
1683
|
839 #endif |
|
|
840 |
|
2806
|
841 void |
|
|
842 symbols_of_toplev (void) |
|
|
843 { |
|
3141
|
844 DEFCONST (argv, , |
|
3332
|
845 "-*- texinfo -*-\n\ |
|
|
846 @defvr {Built-in Variable} argv\n\ |
|
|
847 The command line arguments passed to Octave are available in this\n\ |
|
|
848 variable. For example, if you invoked Octave using the command\n\ |
|
|
849 \n\ |
|
|
850 @example\n\ |
|
|
851 octave --no-line-editing --silent\n\ |
|
|
852 @end example\n\ |
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853 \n\ |
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854 @noindent\n\ |
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855 @code{argv} would be a cell array of strings with the elements\n\ |
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856 @code{--no-line-editing} and @code{--silent}.\n\ |
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857 \n\ |
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858 If you write an executable Octave script, @code{argv} will contain the\n\ |
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859 list of arguments passed to the script. @xref{Executable Octave Programs},\n\ |
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860 for an example of how to create an executable Octave script.\n\ |
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861 @end defvr"); |
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862 |
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863 DEFCONST (program_invocation_name, |
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864 octave_env::get_program_invocation_name (), |
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865 "-*- texinfo -*-\n\ |
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866 @defvr {Built-in Variable} program_invocation_name\n\ |
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867 @defvrx {Built-in Variable} program_name\n\ |
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868 When Octave starts, the value of the built-in variable\n\ |
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869 @code{program_invocation_name} is automatically set to the name that was\n\ |
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870 typed at the shell prompt to run Octave, and the value of\n\ |
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871 @code{program_name} is automatically set to the final component of\n\ |
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872 @code{program_invocation_name}. For example, if you typed\n\ |
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873 @samp{@value{OCTAVEHOME}/bin/octave} to start Octave,\n\ |
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874 @code{program_invocation_name} would have the value\n\ |
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875 @code{\"@value{OCTAVEHOME}/bin/octave\"}, and @code{program_name} would\n\ |
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876 have the value @code{\"octave\"}.\n\ |
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877 \n\ |
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878 If executing a script from the command line (e.g., @code{octave foo.m})\n\ |
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879 or using an executable Octave script, the program name is set to the\n\ |
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880 name of the script. @xref{Executable Octave Programs}, for an example of\n\ |
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881 how to create an executable Octave script.\n\ |
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882 @end defvr"); |
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883 |
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884 DEFCONST (program_name, octave_env::get_program_name (), |
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885 "-*- texinfo -*-\n\ |
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886 @defvr {Built-in Variable} program_invocation_name\n\ |
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887 @defvrx {Built-in Variable} program_name\n\ |
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888 When Octave starts, the value of the built-in variable\n\ |
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889 @code{program_invocation_name} is automatically set to the name that was\n\ |
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890 typed at the shell prompt to run Octave, and the value of\n\ |
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891 @code{program_name} is automatically set to the final component of\n\ |
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892 @code{program_invocation_name}. For example, if you typed\n\ |
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893 @samp{@value{OCTAVEHOME}/bin/octave} to start Octave,\n\ |
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894 @code{program_invocation_name} would have the value\n\ |
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895 @code{\"@value{OCTAVEHOME}/bin/octave\"}, and @code{program_name} would\n\ |
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896 have the value @code{\"octave\"}.\n\ |
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897 \n\ |
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898 If executing a script from the command line (e.g., @code{octave foo.m})\n\ |
|
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899 or using an executable Octave script, the program name is set to the\n\ |
|
3402
|
900 name of the script. @xref{Executable Octave Programs}, for an example of\n\ |
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3332
|
901 how to create an executable Octave script.\n\ |
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3333
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902 @end defvr"); |
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|
903 |
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2806
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904 } |
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905 |
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1683
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906 /* |
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907 ;;; Local Variables: *** |
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908 ;;; mode: C++ *** |
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|
909 ;;; End: *** |
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910 */ |
