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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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1683
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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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4489
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28 #include <cerrno> |
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29 #include <cstdlib> |
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30 #include <cstring> |
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4221
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31 #include <new> |
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32 |
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3503
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33 #include <fstream> |
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34 #include <iostream> |
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1728
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35 #include <string> |
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36 |
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37 #ifdef HAVE_UNISTD_H |
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2442
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38 #ifdef HAVE_SYS_TYPES_H |
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39 #include <sys/types.h> |
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2442
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40 #endif |
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41 #include <unistd.h> |
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42 #endif |
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43 |
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2926
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44 #include "cmd-edit.h" |
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45 #include "file-ops.h" |
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1683
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46 #include "lo-error.h" |
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2370
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47 #include "lo-mappers.h" |
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4051
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48 #include "lo-sstream.h" |
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3020
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49 #include "oct-env.h" |
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4153
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50 #include "quit.h" |
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1755
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51 #include "str-vec.h" |
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52 |
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2492
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53 #include <defaults.h> |
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54 #include "defun.h" |
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55 #include "error.h" |
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56 #include "file-io.h" |
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57 #include "input.h" |
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58 #include "lex.h" |
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2492
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59 #include <oct-conf.h> |
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1742
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60 #include "oct-hist.h" |
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2162
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61 #include "oct-map.h" |
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2862
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62 #include "oct-obj.h" |
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1683
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63 #include "pager.h" |
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64 #include "parse.h" |
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65 #include "pathsearch.h" |
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66 #include "procstream.h" |
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2370
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67 #include "ov.h" |
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2985
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68 #include "pt-jump.h" |
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2982
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69 #include "pt-stmt.h" |
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70 #include "sighandlers.h" |
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71 #include "sysdep.h" |
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2693
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72 #include "syswait.h" |
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1750
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73 #include "toplev.h" |
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74 #include "unwind-prot.h" |
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75 #include "utils.h" |
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76 #include "variables.h" |
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2492
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77 #include <version.h> |
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78 |
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3020
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79 // TRUE means we are exiting via the builtin exit or quit functions. |
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80 static bool quitting_gracefully = false; |
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81 |
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4217
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82 // TRUE means we are ready to interpret commands, but not everything |
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83 // is ready for interactive use. |
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84 bool octave_interpreter_ready = false; |
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85 |
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4172
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86 // TRUE means we've processed all the init code and we are good to go. |
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87 bool octave_initialized = false; |
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88 |
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89 // Current command to execute. |
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90 tree_statement_list *global_command = 0; |
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91 |
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92 // Pointer to function that is currently being evaluated. |
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93 octave_function *curr_function = 0; |
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94 |
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95 // Pointer to caller of curr_function. |
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96 octave_function *curr_caller_function = 0; |
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97 |
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4238
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98 // Pointer to parent function that is currently being evaluated. |
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99 octave_function *curr_parent_function = 0; |
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4238
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100 |
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4180
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101 static void |
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102 recover_from_exception (void) |
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103 { |
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104 can_interrupt = true; |
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4182
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105 octave_interrupt_immediately = 0; |
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4180
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106 octave_interrupt_state = 0; |
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107 octave_signal_caught = 0; |
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108 octave_allocation_error = 0; |
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109 octave_restore_signal_mask (); |
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110 octave_catch_interrupts (); |
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111 } |
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112 |
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1907
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113 int |
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5189
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114 main_loop (void) |
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1907
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115 { |
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116 octave_save_signal_mask (); |
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117 |
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118 can_interrupt = true; |
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119 |
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120 octave_signal_hook = octave_signal_handler; |
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121 octave_interrupt_hook = unwind_protect::run_all; |
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122 octave_bad_alloc_hook = unwind_protect::run_all; |
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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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4318
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137 reset_error_handler (); |
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138 |
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139 reset_parser (); |
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2620
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140 |
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4753
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141 // This is the same as yyparse in parse.y. |
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142 retval = octave_parse (); |
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143 |
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144 if (retval == 0) |
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145 { |
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146 if (global_command) |
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3804
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147 { |
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148 global_command->eval (); |
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149 |
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150 delete global_command; |
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151 |
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152 global_command = 0; |
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153 |
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4171
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154 OCTAVE_QUIT; |
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155 |
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156 if (! (interactive || forced_interactive)) |
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157 { |
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4207
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158 bool quit = (tree_return_command::returning |
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159 || tree_break_command::breaking); |
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160 |
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4207
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161 if (tree_return_command::returning) |
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162 tree_return_command::returning = 0; |
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163 |
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4207
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164 if (tree_break_command::breaking) |
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165 tree_break_command::breaking--; |
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166 |
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167 if (quit) |
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168 break; |
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169 } |
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170 |
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171 if (error_state) |
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172 { |
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173 if (! (interactive || forced_interactive)) |
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174 { |
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175 // We should exit with a non-zero status. |
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176 retval = 1; |
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177 break; |
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178 } |
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179 } |
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180 else |
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181 { |
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182 if (octave_completion_matches_called) |
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183 octave_completion_matches_called = false; |
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184 else |
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185 command_editor::increment_current_command_number (); |
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186 } |
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187 } |
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188 else if (parser_end_of_input) |
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189 break; |
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2620
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190 } |
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4153
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191 } |
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4182
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192 catch (octave_interrupt_exception) |
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193 { |
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4180
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194 recover_from_exception (); |
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4155
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195 std::cout << "\n"; |
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4180
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196 } |
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4181
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197 catch (std::bad_alloc) |
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4180
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198 { |
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199 recover_from_exception (); |
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200 std::cerr |
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201 << "error: memory exhausted -- trying to return to prompt\n"; |
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1907
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202 } |
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203 } |
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204 while (retval == 0); |
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205 |
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206 return retval; |
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207 } |
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208 |
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209 // Fix up things before exiting. |
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210 |
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211 void |
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3162
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212 clean_up_and_exit (int retval) |
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213 { |
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3216
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214 do_octave_atexit (); |
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215 |
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3162
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216 exit (retval == EOF ? 0 : retval); |
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217 } |
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218 |
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4208
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219 DEFCMD (casesen, args, , |
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3446
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220 "-*- texinfo -*-\n\ |
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221 @deffn {Command} casesen arg\n\ |
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222 Provided for compatibility with Matlab, but does nothing.\n\ |
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223 @end deffn") |
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224 { |
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225 octave_value_list retval; |
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226 |
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227 int argc = args.length () + 1; |
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228 |
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1965
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229 string_vector argv = args.make_argv ("casesen"); |
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230 |
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231 if (error_state) |
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232 return retval; |
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233 |
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234 if (argc == 1 || (argc > 1 && argv[1] == "off")) |
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235 warning ("casesen: sorry, Octave is always case sensitive"); |
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236 else if (argc > 1 && argv[1] == "on") |
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237 ; // ok. |
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238 else |
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239 print_usage ("casesen"); |
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240 |
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241 return retval; |
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242 } |
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243 |
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3180
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244 DEFUN (quit, args, nargout, |
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245 "-*- texinfo -*-\n\ |
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246 @deftypefn {Built-in Function} {} exit (@var{status})\n\ |
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247 @deftypefnx {Built-in Function} {} quit (@var{status})\n\ |
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248 Exit the current Octave session. If the optional integer value\n\ |
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249 @var{status} is supplied, pass that value to the operating system as the\n\ |
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250 Octave's exit status.\n\ |
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3333
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251 @end deftypefn") |
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252 { |
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253 octave_value_list retval; |
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254 |
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3180
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255 if (nargout == 0) |
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2068
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256 { |
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3180
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257 int exit_status = 0; |
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258 |
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259 quitting_gracefully = true; |
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260 |
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3180
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261 if (args.length () > 0) |
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262 { |
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3202
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263 int tmp = args(0).nint_value (); |
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264 |
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3202
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265 if (! error_state) |
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266 exit_status = tmp; |
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3180
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267 } |
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268 |
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269 clean_up_and_exit (exit_status); |
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2068
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270 } |
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3180
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271 else |
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272 error ("quit: invalid number of output arguments"); |
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2068
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273 |
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274 return retval; |
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275 } |
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276 |
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277 DEFALIAS (exit, quit); |
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278 |
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1957
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279 DEFUN (warranty, , , |
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3446
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280 "-*- texinfo -*-\n\ |
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281 @deftypefn {Built-in Function} {} warranty ()\n\ |
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282 Describe the conditions for copying and distributing Octave.\n\ |
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283 @end deftypefn") |
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284 { |
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285 octave_value_list retval; |
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286 |
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3922
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287 octave_stdout << "\n" \ |
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288 OCTAVE_NAME_VERSION_AND_COPYRIGHT "\n\ |
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289 \n\ |
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290 This program is free software; you can redistribute it and/or modify\n\ |
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291 it under the terms of the GNU General Public License as published by\n\ |
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292 the Free Software Foundation; either version 2 of the License, or\n\ |
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293 (at your option) any later version.\n\ |
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294 \n\ |
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295 This program is distributed in the hope that it will be useful,\n\ |
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296 but WITHOUT ANY WARRANTY; without even the implied warranty of\n\ |
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297 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n\ |
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298 GNU General Public License for more details.\n\ |
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299 \n\ |
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300 You should have received a copy of the GNU General Public License\n\ |
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301 along with this program. If not, write to the Free Software\n\ |
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302 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\n\ |
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303 \n"; |
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304 |
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305 return retval; |
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306 } |
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307 |
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308 // Execute a shell command. |
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309 |
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1965
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310 static void |
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311 cleanup_iprocstream (void *p) |
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312 { |
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3060
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313 iprocstream *cmd = static_cast<iprocstream *> (p); |
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314 |
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315 octave_child_list::remove (cmd->pid ()); |
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316 |
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317 delete cmd; |
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1965
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318 } |
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319 |
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2086
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320 static octave_value_list |
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3523
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321 run_command_and_return_output (const std::string& cmd_str) |
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2083
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322 { |
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2086
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323 octave_value_list retval; |
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2083
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324 |
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325 iprocstream *cmd = new iprocstream (cmd_str.c_str ()); |
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326 |
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3060
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327 if (cmd) |
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2083
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328 { |
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3060
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329 unwind_protect::add (cleanup_iprocstream, cmd); |
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330 |
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331 if (*cmd) |
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332 { |
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4051
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333 OSSTREAM output_buf; |
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2095
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334 |
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4489
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335 // XXX FIXME XXX -- Perhaps we should read more than one |
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336 // character at a time and find a way to avoid the call to |
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337 // octave_usleep as well? |
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3147
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338 |
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4494
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339 // This is a bit of a kluge... |
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340 |
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341 octave_usleep (100); |
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342 |
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3060
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343 char ch; |
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3147
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344 |
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4489
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345 for (;;) |
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3147
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346 { |
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4489
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347 if (cmd->get (ch)) |
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348 output_buf.put (ch); |
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349 else |
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350 { |
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351 if (! cmd->eof () && errno == EAGAIN) |
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352 { |
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353 cmd->clear (); |
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3147
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354 |
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4489
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355 octave_usleep (100); |
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356 } |
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357 else |
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358 break; |
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359 } |
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3147
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360 } |
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361 |
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3252
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362 int cmd_status = cmd->close (); |
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2083
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363 |
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3060
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364 if (WIFEXITED (cmd_status)) |
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365 cmd_status = WEXITSTATUS (cmd_status); |
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366 else |
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367 cmd_status = 127; |
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2083
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368 |
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4051
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369 output_buf << OSSTREAM_ENDS; |
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2083
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370 |
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3060
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371 retval(1) = (double) cmd_status; |
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4051
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372 retval(0) = OSSTREAM_STR (output_buf); |
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2083
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373 |
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4051
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374 OSSTREAM_FREEZE (output_buf); |
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3060
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375 } |
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376 |
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377 unwind_protect::run (); |
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2083
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378 } |
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379 else |
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380 error ("unable to start subprocess for `%s'", cmd_str.c_str ()); |
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381 |
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382 return retval; |
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383 } |
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384 |
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5285
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385 enum system_exec_type { et_sync, et_async }; |
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386 |
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1957
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387 DEFUN (system, args, nargout, |
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3301
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388 "-*- texinfo -*-\n\ |
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389 @deftypefn {Built-in Function} {} system (@var{string}, @var{return_output}, @var{type})\n\ |
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390 Execute a shell command specified by @var{string}. The second\n\ |
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391 argument is optional. If @var{type} is @code{\"async\"}, the process\n\ |
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392 is started in the background and the process id of the child process\n\ |
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393 is returned immediately. Otherwise, the process is started, and\n\ |
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394 Octave waits until it exits. If @var{type} argument is omitted, a\n\ |
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395 value of @code{\"sync\"} is assumed.\n\ |
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2083
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396 \n\ |
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3301
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397 If two input arguments are given (the actual value of\n\ |
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398 @var{return_output} is irrelevant) and the subprocess is started\n\ |
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399 synchronously, or if @var{system} is called with one input argument and\n\ |
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400 one or more output arguments, the output from the command is returned.\n\ |
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5097
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401 Otherwise, if the subprocess is executed synchronously, its output is\n\ |
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2321
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402 sent to the standard output. To send the output of a command executed\n\ |
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3301
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403 with @var{system} through the pager, use a command like\n\ |
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2321
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404 \n\ |
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3301
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405 @example\n\ |
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406 disp (system (cmd, 1));\n\ |
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407 @end example\n\ |
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2321
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408 \n\ |
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3301
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409 @noindent\n\ |
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2321
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410 or\n\ |
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411 \n\ |
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3301
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412 @example\n\ |
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413 printf (\"%s\n\", system (cmd, 1));\n\ |
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414 @end example\n\ |
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415 \n\ |
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416 The @code{system} function can return two values. The first is any\n\ |
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417 output from the command that was written to the standard output stream,\n\ |
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418 and the second is the output status of the command. For example,\n\ |
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419 \n\ |
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420 @example\n\ |
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421 [output, status] = system (\"echo foo; exit 2\");\n\ |
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422 @end example\n\ |
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423 \n\ |
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424 @noindent\n\ |
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425 will set the variable @code{output} to the string @samp{foo}, and the\n\ |
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426 variable @code{status} to the integer @samp{2}.\n\ |
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427 @end deftypefn") |
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1683
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428 { |
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2086
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429 octave_value_list retval; |
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1683
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430 |
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3834
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431 unwind_protect::begin_frame ("Fsystem"); |
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432 |
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1683
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433 int nargin = args.length (); |
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434 |
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2083
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435 if (nargin > 0 && nargin < 4) |
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1683
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436 { |
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2083
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437 bool return_output = (nargout > 0 || nargin > 1); |
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438 |
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3523
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439 std::string cmd_str = args(0).string_value (); |
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2083
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440 |
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5285
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441 system_exec_type type = et_sync; |
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2083
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442 |
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443 if (! error_state) |
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444 { |
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445 if (nargin > 2) |
|
|
446 { |
|
3523
|
447 std::string type_str = args(2).string_value (); |
|
1683
|
448 |
|
2083
|
449 if (! error_state) |
|
|
450 { |
|
|
451 if (type_str == "sync") |
|
5285
|
452 type = et_sync; |
|
2083
|
453 else if (type_str == "async") |
|
5285
|
454 type = et_async; |
|
2083
|
455 else |
|
|
456 error ("system: third arg must be \"sync\" or \"async\""); |
|
|
457 } |
|
|
458 else |
|
|
459 error ("system: third argument must be a string"); |
|
|
460 } |
|
|
461 } |
|
|
462 else |
|
3523
|
463 error ("system: expecting std::string as first argument"); |
|
1683
|
464 |
|
2083
|
465 if (! error_state) |
|
|
466 { |
|
5285
|
467 if (type == et_async) |
|
2083
|
468 { |
|
4086
|
469 #ifdef HAVE_FORK |
|
2083
|
470 pid_t pid = fork (); |
|
|
471 |
|
|
472 if (pid < 0) |
|
|
473 error ("system: fork failed -- can't create child process"); |
|
|
474 else if (pid == 0) |
|
|
475 { |
|
3273
|
476 // XXX FIXME XXX -- should probably replace this |
|
|
477 // call with something portable. |
|
|
478 |
|
|
479 execl ("/bin/sh", "sh", "-c", cmd_str.c_str (), 0); |
|
|
480 |
|
|
481 panic_impossible (); |
|
2083
|
482 } |
|
|
483 else |
|
4254
|
484 retval(0) = pid; |
|
4086
|
485 #else |
|
|
486 error ("asynchronous system calls are not supported"); |
|
|
487 #endif |
|
2083
|
488 } |
|
2321
|
489 else if (return_output) |
|
|
490 retval = run_command_and_return_output (cmd_str); |
|
2083
|
491 else |
|
2321
|
492 { |
|
|
493 int status = system (cmd_str.c_str ()); |
|
|
494 |
|
|
495 // The value in status is as returned by waitpid. If |
|
|
496 // the process exited normally, extract the actual exit |
|
|
497 // status of the command. Otherwise, return 127 as a |
|
|
498 // failure code. |
|
|
499 |
|
2693
|
500 if (WIFEXITED (status)) |
|
|
501 status = WEXITSTATUS (status); |
|
2321
|
502 |
|
4233
|
503 retval(0) = status; |
|
2321
|
504 } |
|
2083
|
505 } |
|
1683
|
506 } |
|
|
507 else |
|
2083
|
508 print_usage ("system"); |
|
1683
|
509 |
|
3834
|
510 unwind_protect::run_frame ("Fsystem"); |
|
|
511 |
|
1683
|
512 return retval; |
|
|
513 } |
|
|
514 |
|
|
515 DEFALIAS (shell_cmd, system); |
|
|
516 |
|
2614
|
517 // XXX FIXME XXX -- this should really be static, but that causes |
|
|
518 // problems on some systems. |
|
4214
|
519 std::stack<std::string> octave_atexit_functions; |
|
2077
|
520 |
|
|
521 void |
|
|
522 do_octave_atexit (void) |
|
|
523 { |
|
3216
|
524 static bool deja_vu = false; |
|
|
525 |
|
2077
|
526 while (! octave_atexit_functions.empty ()) |
|
|
527 { |
|
4233
|
528 std::string fcn = octave_atexit_functions.top (); |
|
4214
|
529 |
|
|
530 octave_atexit_functions.pop (); |
|
2077
|
531 |
|
5237
|
532 reset_error_handler (); |
|
|
533 |
|
4233
|
534 feval (fcn, octave_value_list (), 0); |
|
3215
|
535 |
|
|
536 flush_octave_stdout (); |
|
2077
|
537 } |
|
3216
|
538 |
|
|
539 if (! deja_vu) |
|
|
540 { |
|
|
541 deja_vu = true; |
|
|
542 |
|
|
543 command_editor::restore_terminal_state (); |
|
|
544 |
|
|
545 // XXX FIXME XXX -- is this needed? Can it cause any trouble? |
|
|
546 raw_mode (0); |
|
|
547 |
|
|
548 command_history::clean_up_and_save (); |
|
|
549 |
|
|
550 close_files (); |
|
|
551 |
|
|
552 cleanup_tmp_files (); |
|
|
553 |
|
|
554 flush_octave_stdout (); |
|
|
555 |
|
|
556 if (!quitting_gracefully && (interactive || forced_interactive)) |
|
3531
|
557 std::cout << "\n"; |
|
3216
|
558 } |
|
2077
|
559 } |
|
|
560 |
|
2162
|
561 DEFUN (atexit, args, , |
|
3332
|
562 "-*- texinfo -*-\n\ |
|
|
563 @deftypefn {Built-in Function} {} atexit (@var{fcn})\n\ |
|
|
564 Register a function to be called when Octave exits. For example,\n\ |
|
2077
|
565 \n\ |
|
3332
|
566 @example\n\ |
|
|
567 @group\n\ |
|
3686
|
568 function print_fortune ()\n\ |
|
3332
|
569 printf (\"\\n%s\\n\", system (\"fortune\"));\n\ |
|
|
570 fflush (stdout);\n\ |
|
|
571 endfunction\n\ |
|
3686
|
572 atexit (\"print_fortune\");\n\ |
|
3332
|
573 @end group\n\ |
|
|
574 @end example\n\ |
|
|
575 \n\ |
|
|
576 @noindent\n\ |
|
|
577 will print a message when Octave exits.\n\ |
|
3333
|
578 @end deftypefn") |
|
2077
|
579 { |
|
2086
|
580 octave_value_list retval; |
|
2077
|
581 |
|
|
582 int nargin = args.length (); |
|
|
583 |
|
|
584 if (nargin == 1) |
|
|
585 { |
|
2475
|
586 #if defined (HAVE_ATEXIT) || defined (HAVE_ON_EXIT) |
|
3523
|
587 std::string arg = args(0).string_value (); |
|
2077
|
588 |
|
|
589 if (! error_state) |
|
|
590 octave_atexit_functions.push (arg); |
|
|
591 else |
|
|
592 error ("atexit: argument must be a string"); |
|
2475
|
593 #else |
|
|
594 gripe_not_supported ("atexit"); |
|
|
595 #endif |
|
2077
|
596 } |
|
|
597 else |
|
|
598 print_usage ("atexit"); |
|
|
599 |
|
|
600 return retval; |
|
|
601 } |
|
|
602 |
|
2689
|
603 DEFUN (octave_config_info, args, , |
|
3301
|
604 "-*- texinfo -*-\n\ |
|
|
605 @deftypefn {Built-in Function} {} octave_config_info (@var{option})\n\ |
|
|
606 Return a structure containing configuration and installation\n\ |
|
|
607 information for Octave.\n\ |
|
2689
|
608 \n\ |
|
3301
|
609 if @var{option} is a string, return the configuration information for the\n\ |
|
2689
|
610 specified option.\n\ |
|
|
611 \n\ |
|
3301
|
612 @end deftypefn") |
|
2162
|
613 { |
|
2689
|
614 octave_value retval; |
|
|
615 |
|
4128
|
616 #if defined (ENABLE_DYNAMIC_LINKING) |
|
2689
|
617 bool octave_supports_dynamic_linking = true; |
|
|
618 #else |
|
|
619 bool octave_supports_dynamic_linking = false; |
|
|
620 #endif |
|
|
621 |
|
4357
|
622 static bool initialized = false; |
|
|
623 static Octave_map m; |
|
2162
|
624 |
|
4357
|
625 static const char * const conf_info[] = |
|
|
626 { |
|
|
627 "ALL_CFLAGS", OCTAVE_CONF_ALL_CFLAGS, |
|
|
628 "ALL_CXXFLAGS", OCTAVE_CONF_ALL_CXXFLAGS, |
|
|
629 "ALL_FFLAGS", OCTAVE_CONF_ALL_FFLAGS, |
|
|
630 "ALL_LDFLAGS", OCTAVE_CONF_ALL_LDFLAGS, |
|
|
631 "AR", OCTAVE_CONF_AR, |
|
|
632 "ARFLAGS", OCTAVE_CONF_ARFLAGS, |
|
|
633 "BLAS_LIBS", OCTAVE_CONF_BLAS_LIBS, |
|
|
634 "CC", OCTAVE_CONF_CC, |
|
|
635 "CC_VERSION", OCTAVE_CONF_CC_VERSION, |
|
|
636 "CFLAGS", OCTAVE_CONF_CFLAGS, |
|
|
637 "CPICFLAG", OCTAVE_CONF_CPICFLAG, |
|
|
638 "CPPFLAGS", OCTAVE_CONF_CPPFLAGS, |
|
|
639 "CXX", OCTAVE_CONF_CXX, |
|
|
640 "CXXCPP", OCTAVE_CONF_CXXCPP, |
|
|
641 "CXXFLAGS", OCTAVE_CONF_CXXFLAGS, |
|
|
642 "CXXPICFLAG", OCTAVE_CONF_CXXPICFLAG, |
|
|
643 "CXX_VERSION", OCTAVE_CONF_CXX_VERSION, |
|
|
644 "DEFAULT_PAGER", OCTAVE_DEFAULT_PAGER, |
|
4759
|
645 "DL_LD", OCTAVE_CONF_DL_LD, |
|
|
646 "DL_LDFLAGS", OCTAVE_CONF_DL_LDFLAGS, |
|
4357
|
647 "DLFCN_INCFLAGS", OCTAVE_CONF_DLFCN_INCFLAGS, |
|
|
648 "EXEEXT", OCTAVE_CONF_EXEEXT, |
|
|
649 "F2C", OCTAVE_CONF_F2C, |
|
|
650 "F2CFLAGS", OCTAVE_CONF_F2CFLAGS, |
|
|
651 "F77", OCTAVE_CONF_F77, |
|
|
652 "FC", OCTAVE_CONF_FC, |
|
|
653 "FFLAGS", OCTAVE_CONF_FFLAGS, |
|
|
654 "FFTW_LIBS", OCTAVE_CONF_FFTW_LIBS, |
|
|
655 "FLIBS", OCTAVE_CONF_FLIBS, |
|
|
656 "FPICFLAG", OCTAVE_CONF_FPICFLAG, |
|
5235
|
657 "GLPK_LIBS", OCTAVE_CONF_GLPK_LIBS, |
|
4357
|
658 "INCFLAGS", OCTAVE_CONF_INCFLAGS, |
|
|
659 "LDFLAGS", OCTAVE_CONF_LDFLAGS, |
|
|
660 "LD_CXX", OCTAVE_CONF_LD_CXX, |
|
|
661 "LD_STATIC_FLAG", OCTAVE_CONF_LD_STATIC_FLAG, |
|
|
662 "LEX", OCTAVE_CONF_LEX, |
|
|
663 "LEXLIB", OCTAVE_CONF_LEXLIB, |
|
|
664 "LFLAGS", OCTAVE_CONF_LFLAGS, |
|
|
665 "LIBCRUFT", OCTAVE_CONF_LIBCRUFT, |
|
|
666 "LIBDLFCN", OCTAVE_CONF_LIBDLFCN, |
|
|
667 "LIBEXT", OCTAVE_CONF_LIBEXT, |
|
|
668 "LIBFLAGS", OCTAVE_CONF_LIBFLAGS, |
|
|
669 "LIBOCTAVE", OCTAVE_CONF_LIBOCTAVE, |
|
|
670 "LIBOCTINTERP", OCTAVE_CONF_LIBOCTINTERP, |
|
|
671 "LIBPLPLOT", OCTAVE_CONF_LIBPLPLOT, |
|
|
672 "LIBREADLINE", OCTAVE_CONF_LIBREADLINE, |
|
|
673 "LIBS", OCTAVE_CONF_LIBS, |
|
|
674 "LN_S", OCTAVE_CONF_LN_S, |
|
|
675 "MKOCTFILE_INCFLAGS", OCTAVE_CONF_MKOCTFILE_INCFLAGS, |
|
|
676 "MKOCTFILE_LFLAGS", OCTAVE_CONF_MKOCTFILE_LFLAGS, |
|
4759
|
677 "MKOCTFILE_DL_LDFLAGS", OCTAVE_CONF_MKOCTFILE_DL_LDFLAGS, |
|
4357
|
678 "RANLIB", OCTAVE_CONF_RANLIB, |
|
|
679 "RDYNAMIC_FLAG", OCTAVE_CONF_RDYNAMIC_FLAG, |
|
|
680 "RLD_FLAG", OCTAVE_CONF_RLD_FLAG, |
|
|
681 "RUNTEST", OCTAVE_CONF_RUNTEST, |
|
|
682 "SED", OCTAVE_CONF_SED, |
|
|
683 "SHARED_LIBS", OCTAVE_CONF_SHARED_LIBS, |
|
|
684 "SHLEXT", OCTAVE_CONF_SHLEXT, |
|
|
685 "SHLEXT_VER", OCTAVE_CONF_SHLEXT_VER, |
|
|
686 "SH_LD", OCTAVE_CONF_SH_LD, |
|
|
687 "SH_LDFLAGS", OCTAVE_CONF_SH_LDFLAGS, |
|
|
688 "SONAME_FLAGS", OCTAVE_CONF_SONAME_FLAGS, |
|
|
689 "STATIC_LIBS", OCTAVE_CONF_STATIC_LIBS, |
|
4440
|
690 "DEFS", OCTAVE_CONF_DEFS, |
|
4357
|
691 "UGLY_DEFS", OCTAVE_CONF_UGLY_DEFS, |
|
5275
|
692 "USE_64_BIT_IDX_T", OCTAVE_CONF_USE_64_BIT_IDX_T, |
|
4357
|
693 "ENABLE_DYNAMIC_LINKING", OCTAVE_CONF_ENABLE_DYNAMIC_LINKING, |
|
|
694 "XTRA_CFLAGS", OCTAVE_CONF_XTRA_CFLAGS, |
|
|
695 "XTRA_CXXFLAGS", OCTAVE_CONF_XTRA_CXXFLAGS, |
|
|
696 "YACC", OCTAVE_CONF_YACC, |
|
|
697 "YFLAGS", OCTAVE_CONF_YFLAGS, |
|
|
698 "archlibdir", OCTAVE_ARCHLIBDIR, |
|
|
699 "bindir", OCTAVE_BINDIR, |
|
|
700 "canonical_host_type", OCTAVE_CANONICAL_HOST_TYPE, |
|
|
701 "config_opts", OCTAVE_CONF_config_opts, |
|
|
702 "datadir", OCTAVE_DATADIR, |
|
|
703 "exec_prefix", OCTAVE_EXEC_PREFIX, |
|
|
704 "fcnfiledir", OCTAVE_FCNFILEDIR, |
|
|
705 "fcnfilepath", OCTAVE_FCNFILEPATH, |
|
|
706 "imagedir", OCTAVE_IMAGEDIR, |
|
|
707 "imagepath", OCTAVE_IMAGEPATH, |
|
|
708 "includedir", OCTAVE_INCLUDEDIR, |
|
|
709 "infodir", OCTAVE_INFODIR, |
|
|
710 "infofile", OCTAVE_INFOFILE, |
|
|
711 "libdir", OCTAVE_LIBDIR, |
|
|
712 "libexecdir", OCTAVE_LIBEXECDIR, |
|
|
713 "localarchlibdir", OCTAVE_LOCALARCHLIBDIR, |
|
|
714 "localfcnfiledir", OCTAVE_LOCALFCNFILEDIR, |
|
|
715 "localfcnfilepath", OCTAVE_LOCALFCNFILEPATH, |
|
|
716 "localoctfiledir", OCTAVE_LOCALOCTFILEDIR, |
|
|
717 "localoctfilepath", OCTAVE_LOCALOCTFILEPATH, |
|
|
718 "localstartupfiledir", OCTAVE_LOCALSTARTUPFILEDIR, |
|
|
719 "localverarchlibdir", OCTAVE_LOCALVERARCHLIBDIR, |
|
|
720 "localverfcnfiledir", OCTAVE_LOCALVERFCNFILEDIR, |
|
|
721 "localveroctfiledir", OCTAVE_LOCALVEROCTFILEDIR, |
|
|
722 "man1dir", OCTAVE_MAN1DIR, |
|
|
723 "man1ext", OCTAVE_MAN1EXT, |
|
|
724 "mandir", OCTAVE_MANDIR, |
|
|
725 "octfiledir", OCTAVE_OCTFILEDIR, |
|
|
726 "octincludedir", OCTAVE_OCTINCLUDEDIR, |
|
|
727 "octlibdir", OCTAVE_OCTLIBDIR, |
|
|
728 "prefix", OCTAVE_PREFIX, |
|
|
729 "startupfiledir", OCTAVE_STARTUPFILEDIR, |
|
|
730 "version", OCTAVE_VERSION, |
|
|
731 0, 0 |
|
|
732 }; |
|
|
733 |
|
|
734 if (! initialized) |
|
|
735 { |
|
4675
|
736 m.assign ("dld", octave_value (octave_supports_dynamic_linking)); |
|
4357
|
737 |
|
4697
|
738 oct_mach_info::float_format ff = oct_mach_info::native_float_format (); |
|
|
739 m.assign ("float_format", |
|
|
740 octave_value (oct_mach_info::float_format_as_string (ff))); |
|
|
741 |
|
|
742 m.assign ("words_big_endian", |
|
|
743 octave_value (oct_mach_info::words_big_endian ())); |
|
|
744 |
|
|
745 m.assign ("words_little_endian", |
|
|
746 octave_value (oct_mach_info::words_little_endian ())); |
|
|
747 |
|
4357
|
748 int i = 0; |
|
4440
|
749 |
|
|
750 while (true) |
|
4357
|
751 { |
|
|
752 const char *key = conf_info[i++]; |
|
|
753 |
|
|
754 if (key) |
|
4675
|
755 m.assign (key, octave_value (conf_info[i++])); |
|
4357
|
756 else |
|
|
757 break; |
|
|
758 } |
|
|
759 |
|
4691
|
760 bool unix_system = true; |
|
|
761 bool windows_system = false; |
|
|
762 |
|
|
763 #if defined (WIN32) |
|
|
764 windows_system = true; |
|
|
765 #if !defined (__CYGWIN__) |
|
|
766 unix_system = false; |
|
|
767 #endif |
|
|
768 #endif |
|
|
769 |
|
|
770 m.assign ("unix", octave_value (unix_system)); |
|
|
771 m.assign ("windows", octave_value (windows_system)); |
|
|
772 |
|
4357
|
773 initialized = true; |
|
|
774 } |
|
2162
|
775 |
|
2689
|
776 int nargin = args.length (); |
|
|
777 |
|
|
778 if (nargin == 1) |
|
|
779 { |
|
3523
|
780 std::string arg = args(0).string_value (); |
|
2689
|
781 |
|
|
782 if (! error_state) |
|
4675
|
783 { |
|
|
784 Cell c = m.contents (arg.c_str ()); |
|
5199
|
785 |
|
|
786 if (c.is_empty ()) |
|
|
787 error ("octave_config_info: no info for `%s'", arg.c_str ()); |
|
|
788 else |
|
|
789 retval = c(0); |
|
4675
|
790 } |
|
2689
|
791 } |
|
|
792 else if (nargin == 0) |
|
4233
|
793 retval = m; |
|
2689
|
794 else |
|
|
795 print_usage ("octave_config_info"); |
|
|
796 |
|
|
797 return retval; |
|
2162
|
798 } |
|
|
799 |
|
1683
|
800 #if defined (__GNUG__) && defined (DEBUG_NEW_DELETE) |
|
2806
|
801 |
|
1683
|
802 int debug_new_delete = 0; |
|
|
803 |
|
|
804 typedef void (*vfp)(void); |
|
|
805 extern vfp __new_handler; |
|
|
806 |
|
|
807 void * |
|
|
808 __builtin_new (size_t sz) |
|
|
809 { |
|
|
810 void *p; |
|
|
811 |
|
|
812 /* malloc (0) is unpredictable; avoid it. */ |
|
|
813 if (sz == 0) |
|
|
814 sz = 1; |
|
2800
|
815 p = malloc (sz); |
|
1683
|
816 while (p == 0) |
|
|
817 { |
|
|
818 (*__new_handler) (); |
|
2800
|
819 p = malloc (sz); |
|
1683
|
820 } |
|
|
821 |
|
|
822 if (debug_new_delete) |
|
3538
|
823 std::cout << "__builtin_new: " << p << std::endl; |
|
1683
|
824 |
|
|
825 return p; |
|
|
826 } |
|
|
827 |
|
|
828 void |
|
|
829 __builtin_delete (void *ptr) |
|
|
830 { |
|
|
831 if (debug_new_delete) |
|
3538
|
832 std::cout << "__builtin_delete: " << ptr << std::endl; |
|
1683
|
833 |
|
|
834 if (ptr) |
|
|
835 free (ptr); |
|
|
836 } |
|
2806
|
837 |
|
1683
|
838 #endif |
|
|
839 |
|
2806
|
840 void |
|
|
841 symbols_of_toplev (void) |
|
|
842 { |
|
3141
|
843 DEFCONST (argv, , |
|
3332
|
844 "-*- texinfo -*-\n\ |
|
|
845 @defvr {Built-in Variable} argv\n\ |
|
|
846 The command line arguments passed to Octave are available in this\n\ |
|
|
847 variable. For example, if you invoked Octave using the command\n\ |
|
|
848 \n\ |
|
|
849 @example\n\ |
|
|
850 octave --no-line-editing --silent\n\ |
|
|
851 @end example\n\ |
|
|
852 \n\ |
|
|
853 @noindent\n\ |
|
3971
|
854 @code{argv} would be a cell array of strings with the elements\n\ |
|
3332
|
855 @code{--no-line-editing} and @code{--silent}.\n\ |
|
|
856 \n\ |
|
|
857 If you write an executable Octave script, @code{argv} will contain the\n\ |
|
3402
|
858 list of arguments passed to the script. @xref{Executable Octave Programs},\n\ |
|
|
859 for an example of how to create an executable Octave script.\n\ |
|
3333
|
860 @end defvr"); |
|
2806
|
861 |
|
3020
|
862 DEFCONST (program_invocation_name, |
|
3141
|
863 octave_env::get_program_invocation_name (), |
|
3332
|
864 "-*- texinfo -*-\n\ |
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865 @defvr {Built-in Variable} program_invocation_name\n\ |
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866 @defvrx {Built-in Variable} program_name\n\ |
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867 When Octave starts, the value of the built-in variable\n\ |
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868 @code{program_invocation_name} is automatically set to the name that was\n\ |
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869 typed at the shell prompt to run Octave, and the value of\n\ |
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870 @code{program_name} is automatically set to the final component of\n\ |
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871 @code{program_invocation_name}. For example, if you typed\n\ |
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872 @samp{@value{OCTAVEHOME}/bin/octave} to start Octave,\n\ |
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873 @code{program_invocation_name} would have the value\n\ |
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874 @code{\"@value{OCTAVEHOME}/bin/octave\"}, and @code{program_name} would\n\ |
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875 have the value @code{\"octave\"}.\n\ |
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876 \n\ |
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877 If executing a script from the command line (e.g., @code{octave foo.m})\n\ |
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878 or using an executable Octave script, the program name is set to the\n\ |
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3402
|
879 name of the script. @xref{Executable Octave Programs}, for an example of\n\ |
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880 how to create an executable Octave script.\n\ |
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881 @end defvr"); |
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3020
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882 |
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3141
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883 DEFCONST (program_name, octave_env::get_program_name (), |
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3332
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884 "-*- texinfo -*-\n\ |
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885 @defvr {Built-in Variable} program_invocation_name\n\ |
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886 @defvrx {Built-in Variable} program_name\n\ |
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887 When Octave starts, the value of the built-in variable\n\ |
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888 @code{program_invocation_name} is automatically set to the name that was\n\ |
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889 typed at the shell prompt to run Octave, and the value of\n\ |
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890 @code{program_name} is automatically set to the final component of\n\ |
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891 @code{program_invocation_name}. For example, if you typed\n\ |
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892 @samp{@value{OCTAVEHOME}/bin/octave} to start Octave,\n\ |
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893 @code{program_invocation_name} would have the value\n\ |
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894 @code{\"@value{OCTAVEHOME}/bin/octave\"}, and @code{program_name} would\n\ |
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895 have the value @code{\"octave\"}.\n\ |
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896 \n\ |
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897 If executing a script from the command line (e.g., @code{octave foo.m})\n\ |
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898 or using an executable Octave script, the program name is set to the\n\ |
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3402
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899 name of the script. @xref{Executable Octave Programs}, for an example of\n\ |
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3332
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900 how to create an executable Octave script.\n\ |
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901 @end defvr"); |
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902 |
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2806
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903 } |
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904 |
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1683
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905 /* |
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906 ;;; Local Variables: *** |
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907 ;;; mode: C++ *** |
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908 ;;; End: *** |
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909 */ |
