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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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28 #include <cstdlib> |
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29 #include <cstring> |
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4221
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30 #include <new> |
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31 |
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3503
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32 #include <fstream> |
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33 #include <iostream> |
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1728
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34 #include <string> |
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35 |
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1683
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36 #ifdef HAVE_UNISTD_H |
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2442
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37 #ifdef HAVE_SYS_TYPES_H |
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38 #include <sys/types.h> |
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2442
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39 #endif |
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40 #include <unistd.h> |
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41 #endif |
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42 |
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2926
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43 #include "cmd-edit.h" |
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44 #include "file-ops.h" |
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1683
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45 #include "lo-error.h" |
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2370
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46 #include "lo-mappers.h" |
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4051
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47 #include "lo-sstream.h" |
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3020
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48 #include "oct-env.h" |
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4153
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49 #include "quit.h" |
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1755
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50 #include "str-vec.h" |
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51 |
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2492
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52 #include <defaults.h> |
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1683
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53 #include "defun.h" |
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54 #include "error.h" |
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55 #include "file-io.h" |
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56 #include "input.h" |
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57 #include "lex.h" |
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2492
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58 #include <oct-conf.h> |
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1742
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59 #include "oct-hist.h" |
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2162
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60 #include "oct-map.h" |
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2862
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61 #include "oct-obj.h" |
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1683
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62 #include "pager.h" |
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63 #include "parse.h" |
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64 #include "pathsearch.h" |
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65 #include "procstream.h" |
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2370
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66 #include "ov.h" |
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2985
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67 #include "pt-jump.h" |
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1750
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68 #include "pt-plot.h" |
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2982
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69 #include "pt-stmt.h" |
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1683
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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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1683
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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_user_function *curr_function = 0; |
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94 |
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4238
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95 // Pointer to parent function that is currently being evaluated. |
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96 octave_user_function *curr_parent_function = 0; |
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97 |
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4180
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98 static void |
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99 recover_from_exception (void) |
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100 { |
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101 can_interrupt = true; |
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4182
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102 octave_interrupt_immediately = 0; |
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4180
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103 octave_interrupt_state = 0; |
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104 octave_allocation_error = 0; |
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105 octave_restore_signal_mask (); |
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106 octave_catch_interrupts (); |
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107 } |
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108 |
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1907
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109 int |
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4356
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110 main_loop (const std::string& fun_to_call) |
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1907
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111 { |
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112 octave_save_signal_mask (); |
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113 |
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4153
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114 if (octave_set_current_context) |
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1907
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115 { |
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116 #if defined (USE_EXCEPTIONS_FOR_INTERRUPTS) |
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117 panic_impossible (); |
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118 #else |
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119 unwind_protect::run_all (); |
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120 raw_mode (0); |
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3531
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121 std::cout << "\n"; |
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2016
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122 octave_restore_signal_mask (); |
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123 #endif |
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1907
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124 } |
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125 |
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126 can_interrupt = true; |
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127 |
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4429
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128 octave_interrupt_hook = unwind_protect::run_all; |
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129 octave_bad_alloc_hook = unwind_protect::run_all; |
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130 |
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2554
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131 octave_catch_interrupts (); |
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132 |
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4172
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133 octave_initialized = true; |
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134 |
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4356
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135 if (! fun_to_call.empty ()) |
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136 feval (fun_to_call); |
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137 |
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1907
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138 // The big loop. |
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139 |
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4153
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140 int retval = 0; |
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1907
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141 do |
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142 { |
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4180
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143 try |
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1907
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144 { |
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4153
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145 curr_sym_tab = top_level_sym_tab; |
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146 |
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4318
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147 reset_error_handler (); |
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148 |
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4153
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149 reset_parser (); |
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2620
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150 |
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151 retval = yyparse (); |
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152 |
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153 if (retval == 0) |
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154 { |
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155 if (global_command) |
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3804
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156 { |
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157 global_command->eval (); |
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158 |
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159 delete global_command; |
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160 |
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161 global_command = 0; |
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162 |
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4171
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163 OCTAVE_QUIT; |
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164 |
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165 if (! (interactive || forced_interactive)) |
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166 { |
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4207
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167 bool quit = (tree_return_command::returning |
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168 || tree_break_command::breaking); |
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169 |
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4207
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170 if (tree_return_command::returning) |
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171 tree_return_command::returning = 0; |
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172 |
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4207
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173 if (tree_break_command::breaking) |
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174 tree_break_command::breaking--; |
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175 |
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176 if (quit) |
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177 break; |
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178 } |
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179 |
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180 if (error_state) |
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181 { |
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182 if (! (interactive || forced_interactive)) |
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183 { |
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184 // We should exit with a non-zero status. |
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185 retval = 1; |
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186 break; |
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187 } |
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188 } |
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189 else |
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190 { |
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191 if (octave_completion_matches_called) |
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192 octave_completion_matches_called = false; |
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193 else |
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194 command_editor::increment_current_command_number (); |
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195 } |
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196 } |
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197 else if (parser_end_of_input) |
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198 break; |
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2620
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199 } |
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4153
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200 } |
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4182
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201 catch (octave_interrupt_exception) |
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202 { |
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4180
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203 recover_from_exception (); |
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4155
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204 std::cout << "\n"; |
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4180
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205 } |
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4181
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206 catch (std::bad_alloc) |
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4180
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207 { |
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208 recover_from_exception (); |
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209 std::cerr |
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210 << "error: memory exhausted -- trying to return to prompt\n"; |
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1907
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211 } |
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212 } |
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213 while (retval == 0); |
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214 |
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215 return retval; |
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216 } |
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217 |
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218 // Fix up things before exiting. |
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219 |
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220 void |
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3162
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221 clean_up_and_exit (int retval) |
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222 { |
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3216
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223 do_octave_atexit (); |
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224 |
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3162
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225 exit (retval == EOF ? 0 : retval); |
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226 } |
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227 |
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4208
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228 DEFCMD (casesen, args, , |
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229 "-*- texinfo -*-\n\ |
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230 @deffn {Command} casesen arg\n\ |
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231 Provided for compatibility with Matlab, but does nothing.\n\ |
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232 @end deffn") |
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233 { |
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2086
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234 octave_value_list retval; |
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235 |
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236 int argc = args.length () + 1; |
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237 |
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1965
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238 string_vector argv = args.make_argv ("casesen"); |
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239 |
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1755
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240 if (error_state) |
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241 return retval; |
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242 |
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243 if (argc == 1 || (argc > 1 && argv[1] == "off")) |
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244 warning ("casesen: sorry, Octave is always case sensitive"); |
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245 else if (argc > 1 && argv[1] == "on") |
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246 ; // ok. |
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247 else |
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248 print_usage ("casesen"); |
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249 |
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250 return retval; |
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251 } |
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252 |
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1957
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253 DEFUN (computer, args, nargout, |
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3301
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254 "-*- texinfo -*-\n\ |
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255 @deftypefn {Built-in Function} {} computer ()\n\ |
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256 Print or return a string of the form @var{cpu}-@var{vendor}-@var{os}\n\ |
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257 that identifies the kind of computer Octave is running on. If invoked\n\ |
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258 with an output argument, the value is returned instead of printed. For\n\ |
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259 example,\n\ |
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260 \n\ |
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3301
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261 @example\n\ |
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262 @group\n\ |
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263 computer ()\n\ |
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264 @print{} i586-pc-linux-gnu\n\ |
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265 \n\ |
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266 x = computer ()\n\ |
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267 @result{} x = \"i586-pc-linux-gnu\"\n\ |
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268 @end group\n\ |
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269 @end example\n\ |
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270 @end deftypefn") |
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271 { |
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4233
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272 octave_value retval; |
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273 |
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274 int nargin = args.length (); |
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275 |
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276 if (nargin != 0) |
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277 warning ("computer: ignoring extra arguments"); |
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278 |
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3523
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279 std::string msg; |
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280 |
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3584
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281 if (strcmp (OCTAVE_CANONICAL_HOST_TYPE, "unknown") == 0) |
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282 msg = "Hi Dave, I'm a HAL-9000"; |
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283 else |
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3584
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284 msg = OCTAVE_CANONICAL_HOST_TYPE; |
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285 |
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286 if (nargout == 0) |
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2095
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287 octave_stdout << msg << "\n"; |
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288 else |
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2095
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289 retval = msg; |
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290 |
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291 return retval; |
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292 } |
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293 |
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3180
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294 DEFUN (quit, args, nargout, |
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3332
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295 "-*- texinfo -*-\n\ |
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296 @deftypefn {Built-in Function} {} exit (@var{status})\n\ |
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297 @deftypefnx {Built-in Function} {} quit (@var{status})\n\ |
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298 Exit the current Octave session. If the optional integer value\n\ |
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299 @var{status} is supplied, pass that value to the operating system as the\n\ |
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300 Octave's exit status.\n\ |
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3333
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301 @end deftypefn") |
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1683
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302 { |
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2086
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303 octave_value_list retval; |
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2068
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304 |
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3180
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305 if (nargout == 0) |
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2068
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306 { |
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3180
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307 int exit_status = 0; |
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308 |
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309 quitting_gracefully = true; |
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310 |
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3180
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311 if (args.length () > 0) |
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312 { |
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3202
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313 int tmp = args(0).nint_value (); |
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314 |
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3202
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315 if (! error_state) |
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316 exit_status = tmp; |
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3180
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317 } |
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318 |
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319 clean_up_and_exit (exit_status); |
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2068
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320 } |
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3180
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321 else |
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322 error ("quit: invalid number of output arguments"); |
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2068
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323 |
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1683
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324 return retval; |
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325 } |
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326 |
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327 DEFALIAS (exit, quit); |
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328 |
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1957
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329 DEFUN (warranty, , , |
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3446
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330 "-*- texinfo -*-\n\ |
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331 @deftypefn {Built-in Function} {} warranty ()\n\ |
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332 Describe the conditions for copying and distributing Octave.\n\ |
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333 @end deftypefn") |
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334 { |
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2086
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335 octave_value_list retval; |
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336 |
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3922
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337 octave_stdout << "\n" \ |
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338 OCTAVE_NAME_VERSION_AND_COPYRIGHT "\n\ |
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339 \n\ |
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1683
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340 This program is free software; you can redistribute it and/or modify\n\ |
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341 it under the terms of the GNU General Public License as published by\n\ |
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342 the Free Software Foundation; either version 2 of the License, or\n\ |
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343 (at your option) any later version.\n\ |
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344 \n\ |
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345 This program is distributed in the hope that it will be useful,\n\ |
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346 but WITHOUT ANY WARRANTY; without even the implied warranty of\n\ |
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347 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n\ |
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348 GNU General Public License for more details.\n\ |
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349 \n\ |
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350 You should have received a copy of the GNU General Public License\n\ |
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351 along with this program. If not, write to the Free Software\n\ |
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352 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\n\ |
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353 \n"; |
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354 |
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355 return retval; |
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356 } |
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357 |
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358 // Execute a shell command. |
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359 |
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1965
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360 static void |
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361 cleanup_iprocstream (void *p) |
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362 { |
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3060
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363 iprocstream *cmd = static_cast<iprocstream *> (p); |
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364 |
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365 octave_child_list::remove (cmd->pid ()); |
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366 |
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367 delete cmd; |
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1965
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368 } |
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369 |
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2086
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370 static octave_value_list |
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3523
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371 run_command_and_return_output (const std::string& cmd_str) |
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2083
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372 { |
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2086
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373 octave_value_list retval; |
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2083
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374 |
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375 iprocstream *cmd = new iprocstream (cmd_str.c_str ()); |
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376 |
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3060
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377 if (cmd) |
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2083
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378 { |
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3060
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379 unwind_protect::add (cleanup_iprocstream, cmd); |
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380 |
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381 if (*cmd) |
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382 { |
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4051
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383 OSSTREAM output_buf; |
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2095
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384 |
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3147
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385 // XXX FIXME XXX -- sometimes, the subprocess hasn't written |
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386 // anything before we try to read from the procstream. The |
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387 // kluge below (simply waiting and trying again) is ugly, |
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388 // but it seems to work, at least most of the time. It |
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389 // could probably still fail if the subprocess hasn't |
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390 // started writing after the snooze. Isn't there a better |
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391 // way? If there is, you should also fix the code for the |
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392 // ls function in dirfns.cc. |
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393 |
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3060
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394 char ch; |
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3147
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395 |
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396 if (cmd->get (ch)) |
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397 output_buf.put (ch); |
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398 else |
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399 { |
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400 cmd->clear (); |
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401 |
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3308
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402 octave_usleep (100); |
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3147
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403 } |
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404 |
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3060
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405 while (cmd->get (ch)) |
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406 output_buf.put (ch); |
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2083
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407 |
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3252
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408 int cmd_status = cmd->close (); |
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2083
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409 |
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3060
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410 if (WIFEXITED (cmd_status)) |
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411 cmd_status = WEXITSTATUS (cmd_status); |
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412 else |
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413 cmd_status = 127; |
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2083
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414 |
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4051
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415 output_buf << OSSTREAM_ENDS; |
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2083
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416 |
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3060
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417 retval(1) = (double) cmd_status; |
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4051
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418 retval(0) = OSSTREAM_STR (output_buf); |
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2083
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419 |
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4051
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420 OSSTREAM_FREEZE (output_buf); |
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3060
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421 } |
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422 |
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423 unwind_protect::run (); |
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2083
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424 } |
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425 else |
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426 error ("unable to start subprocess for `%s'", cmd_str.c_str ()); |
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427 |
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428 return retval; |
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429 } |
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430 |
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1957
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431 DEFUN (system, args, nargout, |
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3301
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432 "-*- texinfo -*-\n\ |
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433 @deftypefn {Built-in Function} {} system (@var{string}, @var{return_output}, @var{type})\n\ |
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434 Execute a shell command specified by @var{string}. The second\n\ |
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435 argument is optional. If @var{type} is @code{\"async\"}, the process\n\ |
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436 is started in the background and the process id of the child process\n\ |
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437 is returned immediately. Otherwise, the process is started, and\n\ |
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438 Octave waits until it exits. If @var{type} argument is omitted, a\n\ |
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439 value of @code{\"sync\"} is assumed.\n\ |
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2083
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440 \n\ |
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3301
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441 If two input arguments are given (the actual value of\n\ |
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442 @var{return_output} is irrelevant) and the subprocess is started\n\ |
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443 synchronously, or if @var{system} is called with one input argument and\n\ |
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444 one or more output arguments, the output from the command is returned.\n\ |
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2083
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445 Otherwise, if the subprocess is executed synchronously, it's output is\n\ |
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2321
|
446 sent to the standard output. To send the output of a command executed\n\ |
|
3301
|
447 with @var{system} through the pager, use a command like\n\ |
|
2321
|
448 \n\ |
|
3301
|
449 @example\n\ |
|
|
450 disp (system (cmd, 1));\n\ |
|
|
451 @end example\n\ |
|
2321
|
452 \n\ |
|
3301
|
453 @noindent\n\ |
|
2321
|
454 or\n\ |
|
|
455 \n\ |
|
3301
|
456 @example\n\ |
|
|
457 printf (\"%s\n\", system (cmd, 1));\n\ |
|
|
458 @end example\n\ |
|
|
459 \n\ |
|
|
460 The @code{system} function can return two values. The first is any\n\ |
|
|
461 output from the command that was written to the standard output stream,\n\ |
|
|
462 and the second is the output status of the command. For example,\n\ |
|
|
463 \n\ |
|
|
464 @example\n\ |
|
|
465 [output, status] = system (\"echo foo; exit 2\");\n\ |
|
|
466 @end example\n\ |
|
|
467 \n\ |
|
|
468 @noindent\n\ |
|
|
469 will set the variable @code{output} to the string @samp{foo}, and the\n\ |
|
|
470 variable @code{status} to the integer @samp{2}.\n\ |
|
|
471 @end deftypefn") |
|
1683
|
472 { |
|
2086
|
473 octave_value_list retval; |
|
1683
|
474 |
|
3834
|
475 unwind_protect::begin_frame ("Fsystem"); |
|
|
476 |
|
1683
|
477 int nargin = args.length (); |
|
|
478 |
|
2083
|
479 if (nargin > 0 && nargin < 4) |
|
1683
|
480 { |
|
2083
|
481 bool return_output = (nargout > 0 || nargin > 1); |
|
|
482 |
|
3523
|
483 std::string cmd_str = args(0).string_value (); |
|
2083
|
484 |
|
|
485 enum exec_type { sync, async }; |
|
|
486 |
|
|
487 exec_type type = sync; |
|
|
488 |
|
|
489 if (! error_state) |
|
|
490 { |
|
|
491 if (nargin > 2) |
|
|
492 { |
|
3523
|
493 std::string type_str = args(2).string_value (); |
|
1683
|
494 |
|
2083
|
495 if (! error_state) |
|
|
496 { |
|
|
497 if (type_str == "sync") |
|
|
498 type = sync; |
|
|
499 else if (type_str == "async") |
|
|
500 type = async; |
|
|
501 else |
|
|
502 error ("system: third arg must be \"sync\" or \"async\""); |
|
|
503 } |
|
|
504 else |
|
|
505 error ("system: third argument must be a string"); |
|
|
506 } |
|
|
507 } |
|
|
508 else |
|
3523
|
509 error ("system: expecting std::string as first argument"); |
|
1683
|
510 |
|
2083
|
511 if (! error_state) |
|
|
512 { |
|
|
513 if (type == async) |
|
|
514 { |
|
4086
|
515 #ifdef HAVE_FORK |
|
2083
|
516 pid_t pid = fork (); |
|
|
517 |
|
|
518 if (pid < 0) |
|
|
519 error ("system: fork failed -- can't create child process"); |
|
|
520 else if (pid == 0) |
|
|
521 { |
|
3273
|
522 // XXX FIXME XXX -- should probably replace this |
|
|
523 // call with something portable. |
|
|
524 |
|
|
525 execl ("/bin/sh", "sh", "-c", cmd_str.c_str (), 0); |
|
|
526 |
|
|
527 panic_impossible (); |
|
2083
|
528 } |
|
|
529 else |
|
4254
|
530 retval(0) = pid; |
|
4086
|
531 #else |
|
|
532 error ("asynchronous system calls are not supported"); |
|
|
533 #endif |
|
2083
|
534 } |
|
2321
|
535 else if (return_output) |
|
|
536 retval = run_command_and_return_output (cmd_str); |
|
2083
|
537 else |
|
2321
|
538 { |
|
|
539 int status = system (cmd_str.c_str ()); |
|
|
540 |
|
|
541 // The value in status is as returned by waitpid. If |
|
|
542 // the process exited normally, extract the actual exit |
|
|
543 // status of the command. Otherwise, return 127 as a |
|
|
544 // failure code. |
|
|
545 |
|
2693
|
546 if (WIFEXITED (status)) |
|
|
547 status = WEXITSTATUS (status); |
|
2321
|
548 |
|
4233
|
549 retval(0) = status; |
|
2321
|
550 } |
|
2083
|
551 } |
|
1683
|
552 } |
|
|
553 else |
|
2083
|
554 print_usage ("system"); |
|
1683
|
555 |
|
3834
|
556 unwind_protect::run_frame ("Fsystem"); |
|
|
557 |
|
1683
|
558 return retval; |
|
|
559 } |
|
|
560 |
|
|
561 DEFALIAS (shell_cmd, system); |
|
|
562 |
|
2614
|
563 // XXX FIXME XXX -- this should really be static, but that causes |
|
|
564 // problems on some systems. |
|
4214
|
565 std::stack<std::string> octave_atexit_functions; |
|
2077
|
566 |
|
|
567 void |
|
|
568 do_octave_atexit (void) |
|
|
569 { |
|
3216
|
570 static bool deja_vu = false; |
|
|
571 |
|
2077
|
572 while (! octave_atexit_functions.empty ()) |
|
|
573 { |
|
4233
|
574 std::string fcn = octave_atexit_functions.top (); |
|
4214
|
575 |
|
|
576 octave_atexit_functions.pop (); |
|
2077
|
577 |
|
4233
|
578 feval (fcn, octave_value_list (), 0); |
|
3215
|
579 |
|
|
580 flush_octave_stdout (); |
|
2077
|
581 } |
|
3216
|
582 |
|
|
583 if (! deja_vu) |
|
|
584 { |
|
|
585 deja_vu = true; |
|
|
586 |
|
|
587 command_editor::restore_terminal_state (); |
|
|
588 |
|
|
589 // XXX FIXME XXX -- is this needed? Can it cause any trouble? |
|
|
590 raw_mode (0); |
|
|
591 |
|
|
592 command_history::clean_up_and_save (); |
|
|
593 |
|
|
594 close_plot_stream (); |
|
|
595 |
|
|
596 close_files (); |
|
|
597 |
|
|
598 cleanup_tmp_files (); |
|
|
599 |
|
|
600 flush_octave_stdout (); |
|
|
601 |
|
|
602 if (!quitting_gracefully && (interactive || forced_interactive)) |
|
3531
|
603 std::cout << "\n"; |
|
3216
|
604 } |
|
2077
|
605 } |
|
|
606 |
|
2162
|
607 DEFUN (atexit, args, , |
|
3332
|
608 "-*- texinfo -*-\n\ |
|
|
609 @deftypefn {Built-in Function} {} atexit (@var{fcn})\n\ |
|
|
610 Register a function to be called when Octave exits. For example,\n\ |
|
2077
|
611 \n\ |
|
3332
|
612 @example\n\ |
|
|
613 @group\n\ |
|
3686
|
614 function print_fortune ()\n\ |
|
3332
|
615 printf (\"\\n%s\\n\", system (\"fortune\"));\n\ |
|
|
616 fflush (stdout);\n\ |
|
|
617 endfunction\n\ |
|
3686
|
618 atexit (\"print_fortune\");\n\ |
|
3332
|
619 @end group\n\ |
|
|
620 @end example\n\ |
|
|
621 \n\ |
|
|
622 @noindent\n\ |
|
|
623 will print a message when Octave exits.\n\ |
|
3333
|
624 @end deftypefn") |
|
2077
|
625 { |
|
2086
|
626 octave_value_list retval; |
|
2077
|
627 |
|
|
628 int nargin = args.length (); |
|
|
629 |
|
|
630 if (nargin == 1) |
|
|
631 { |
|
2475
|
632 #if defined (HAVE_ATEXIT) || defined (HAVE_ON_EXIT) |
|
3523
|
633 std::string arg = args(0).string_value (); |
|
2077
|
634 |
|
|
635 if (! error_state) |
|
|
636 octave_atexit_functions.push (arg); |
|
|
637 else |
|
|
638 error ("atexit: argument must be a string"); |
|
2475
|
639 #else |
|
|
640 gripe_not_supported ("atexit"); |
|
|
641 #endif |
|
2077
|
642 } |
|
|
643 else |
|
|
644 print_usage ("atexit"); |
|
|
645 |
|
|
646 return retval; |
|
|
647 } |
|
|
648 |
|
2689
|
649 DEFUN (octave_config_info, args, , |
|
3301
|
650 "-*- texinfo -*-\n\ |
|
|
651 @deftypefn {Built-in Function} {} octave_config_info (@var{option})\n\ |
|
|
652 Return a structure containing configuration and installation\n\ |
|
|
653 information for Octave.\n\ |
|
2689
|
654 \n\ |
|
3301
|
655 if @var{option} is a string, return the configuration information for the\n\ |
|
2689
|
656 specified option.\n\ |
|
|
657 \n\ |
|
3301
|
658 @end deftypefn") |
|
2162
|
659 { |
|
2689
|
660 octave_value retval; |
|
|
661 |
|
4128
|
662 #if defined (ENABLE_DYNAMIC_LINKING) |
|
2689
|
663 bool octave_supports_dynamic_linking = true; |
|
|
664 #else |
|
|
665 bool octave_supports_dynamic_linking = false; |
|
|
666 #endif |
|
|
667 |
|
4357
|
668 // We do it this way instead of using a series of "m[KEY](0) = VAL" |
|
|
669 // statements to avoid problems with gcc 2.96 (and possibly other |
|
|
670 // compilers) that can't handle a long series of lines like that. |
|
|
671 |
|
|
672 static bool initialized = false; |
|
|
673 static Octave_map m; |
|
2162
|
674 |
|
4357
|
675 static const char * const conf_info[] = |
|
|
676 { |
|
|
677 "ALL_CFLAGS", OCTAVE_CONF_ALL_CFLAGS, |
|
|
678 "ALL_CXXFLAGS", OCTAVE_CONF_ALL_CXXFLAGS, |
|
|
679 "ALL_FFLAGS", OCTAVE_CONF_ALL_FFLAGS, |
|
|
680 "ALL_LDFLAGS", OCTAVE_CONF_ALL_LDFLAGS, |
|
|
681 "AR", OCTAVE_CONF_AR, |
|
|
682 "ARFLAGS", OCTAVE_CONF_ARFLAGS, |
|
|
683 "BLAS_LIBS", OCTAVE_CONF_BLAS_LIBS, |
|
|
684 "CC", OCTAVE_CONF_CC, |
|
|
685 "CC_VERSION", OCTAVE_CONF_CC_VERSION, |
|
|
686 "CFLAGS", OCTAVE_CONF_CFLAGS, |
|
|
687 "CPICFLAG", OCTAVE_CONF_CPICFLAG, |
|
|
688 "CPPFLAGS", OCTAVE_CONF_CPPFLAGS, |
|
|
689 "CXX", OCTAVE_CONF_CXX, |
|
|
690 "CXXCPP", OCTAVE_CONF_CXXCPP, |
|
|
691 "CXXFLAGS", OCTAVE_CONF_CXXFLAGS, |
|
|
692 "CXXPICFLAG", OCTAVE_CONF_CXXPICFLAG, |
|
|
693 "CXX_VERSION", OCTAVE_CONF_CXX_VERSION, |
|
|
694 "DEFAULT_PAGER", OCTAVE_DEFAULT_PAGER, |
|
|
695 "DLFCN_INCFLAGS", OCTAVE_CONF_DLFCN_INCFLAGS, |
|
|
696 "EXEEXT", OCTAVE_CONF_EXEEXT, |
|
|
697 "F2C", OCTAVE_CONF_F2C, |
|
|
698 "F2CFLAGS", OCTAVE_CONF_F2CFLAGS, |
|
|
699 "F77", OCTAVE_CONF_F77, |
|
|
700 "FC", OCTAVE_CONF_FC, |
|
|
701 "FFLAGS", OCTAVE_CONF_FFLAGS, |
|
|
702 "FFTW_LIBS", OCTAVE_CONF_FFTW_LIBS, |
|
|
703 "FLIBS", OCTAVE_CONF_FLIBS, |
|
|
704 "FPICFLAG", OCTAVE_CONF_FPICFLAG, |
|
|
705 "GLOB_INCFLAGS", OCTAVE_CONF_GLOB_INCFLAGS, |
|
|
706 "INCFLAGS", OCTAVE_CONF_INCFLAGS, |
|
|
707 "LDFLAGS", OCTAVE_CONF_LDFLAGS, |
|
|
708 "LD_CXX", OCTAVE_CONF_LD_CXX, |
|
|
709 "LD_STATIC_FLAG", OCTAVE_CONF_LD_STATIC_FLAG, |
|
|
710 "LEX", OCTAVE_CONF_LEX, |
|
|
711 "LEXLIB", OCTAVE_CONF_LEXLIB, |
|
|
712 "LFLAGS", OCTAVE_CONF_LFLAGS, |
|
|
713 "LIBCRUFT", OCTAVE_CONF_LIBCRUFT, |
|
|
714 "LIBDLFCN", OCTAVE_CONF_LIBDLFCN, |
|
|
715 "LIBEXT", OCTAVE_CONF_LIBEXT, |
|
|
716 "LIBFLAGS", OCTAVE_CONF_LIBFLAGS, |
|
|
717 "LIBGLOB", OCTAVE_CONF_LIBGLOB, |
|
|
718 "LIBOCTAVE", OCTAVE_CONF_LIBOCTAVE, |
|
|
719 "LIBOCTINTERP", OCTAVE_CONF_LIBOCTINTERP, |
|
|
720 "LIBPLPLOT", OCTAVE_CONF_LIBPLPLOT, |
|
|
721 "LIBREADLINE", OCTAVE_CONF_LIBREADLINE, |
|
|
722 "LIBS", OCTAVE_CONF_LIBS, |
|
|
723 "LN_S", OCTAVE_CONF_LN_S, |
|
|
724 "MKOCTFILE_INCFLAGS", OCTAVE_CONF_MKOCTFILE_INCFLAGS, |
|
|
725 "MKOCTFILE_LFLAGS", OCTAVE_CONF_MKOCTFILE_LFLAGS, |
|
|
726 "MKOCTFILE_SH_LDFLAGS", OCTAVE_CONF_MKOCTFILE_SH_LDFLAGS, |
|
|
727 "RANLIB", OCTAVE_CONF_RANLIB, |
|
|
728 "RDYNAMIC_FLAG", OCTAVE_CONF_RDYNAMIC_FLAG, |
|
|
729 "RLD_FLAG", OCTAVE_CONF_RLD_FLAG, |
|
|
730 "RUNTEST", OCTAVE_CONF_RUNTEST, |
|
|
731 "SED", OCTAVE_CONF_SED, |
|
|
732 "SHARED_LIBS", OCTAVE_CONF_SHARED_LIBS, |
|
|
733 "SHLEXT", OCTAVE_CONF_SHLEXT, |
|
|
734 "SHLEXT_VER", OCTAVE_CONF_SHLEXT_VER, |
|
|
735 "SH_LD", OCTAVE_CONF_SH_LD, |
|
|
736 "SH_LDFLAGS", OCTAVE_CONF_SH_LDFLAGS, |
|
|
737 "SONAME_FLAGS", OCTAVE_CONF_SONAME_FLAGS, |
|
|
738 "STATIC_LIBS", OCTAVE_CONF_STATIC_LIBS, |
|
4440
|
739 "DEFS", OCTAVE_CONF_DEFS, |
|
4357
|
740 "UGLY_DEFS", OCTAVE_CONF_UGLY_DEFS, |
|
|
741 "ENABLE_DYNAMIC_LINKING", OCTAVE_CONF_ENABLE_DYNAMIC_LINKING, |
|
|
742 "XTRA_CFLAGS", OCTAVE_CONF_XTRA_CFLAGS, |
|
|
743 "XTRA_CXXFLAGS", OCTAVE_CONF_XTRA_CXXFLAGS, |
|
|
744 "YACC", OCTAVE_CONF_YACC, |
|
|
745 "YFLAGS", OCTAVE_CONF_YFLAGS, |
|
|
746 "archlibdir", OCTAVE_ARCHLIBDIR, |
|
|
747 "bindir", OCTAVE_BINDIR, |
|
|
748 "canonical_host_type", OCTAVE_CANONICAL_HOST_TYPE, |
|
|
749 "config_opts", OCTAVE_CONF_config_opts, |
|
|
750 "datadir", OCTAVE_DATADIR, |
|
|
751 "exec_prefix", OCTAVE_EXEC_PREFIX, |
|
|
752 "fcnfiledir", OCTAVE_FCNFILEDIR, |
|
|
753 "fcnfilepath", OCTAVE_FCNFILEPATH, |
|
|
754 "imagedir", OCTAVE_IMAGEDIR, |
|
|
755 "imagepath", OCTAVE_IMAGEPATH, |
|
|
756 "includedir", OCTAVE_INCLUDEDIR, |
|
|
757 "infodir", OCTAVE_INFODIR, |
|
|
758 "infofile", OCTAVE_INFOFILE, |
|
|
759 "libdir", OCTAVE_LIBDIR, |
|
|
760 "libexecdir", OCTAVE_LIBEXECDIR, |
|
|
761 "localarchlibdir", OCTAVE_LOCALARCHLIBDIR, |
|
|
762 "localfcnfiledir", OCTAVE_LOCALFCNFILEDIR, |
|
|
763 "localfcnfilepath", OCTAVE_LOCALFCNFILEPATH, |
|
|
764 "localoctfiledir", OCTAVE_LOCALOCTFILEDIR, |
|
|
765 "localoctfilepath", OCTAVE_LOCALOCTFILEPATH, |
|
|
766 "localstartupfiledir", OCTAVE_LOCALSTARTUPFILEDIR, |
|
|
767 "localverarchlibdir", OCTAVE_LOCALVERARCHLIBDIR, |
|
|
768 "localverfcnfiledir", OCTAVE_LOCALVERFCNFILEDIR, |
|
|
769 "localveroctfiledir", OCTAVE_LOCALVEROCTFILEDIR, |
|
|
770 "man1dir", OCTAVE_MAN1DIR, |
|
|
771 "man1ext", OCTAVE_MAN1EXT, |
|
|
772 "mandir", OCTAVE_MANDIR, |
|
|
773 "octfiledir", OCTAVE_OCTFILEDIR, |
|
|
774 "octincludedir", OCTAVE_OCTINCLUDEDIR, |
|
|
775 "octlibdir", OCTAVE_OCTLIBDIR, |
|
|
776 "prefix", OCTAVE_PREFIX, |
|
|
777 "startupfiledir", OCTAVE_STARTUPFILEDIR, |
|
|
778 "version", OCTAVE_VERSION, |
|
|
779 0, 0 |
|
|
780 }; |
|
|
781 |
|
|
782 if (! initialized) |
|
|
783 { |
|
|
784 m ["dld"](0) = octave_value (octave_supports_dynamic_linking); |
|
|
785 |
|
|
786 int i = 0; |
|
4440
|
787 |
|
|
788 while (true) |
|
4357
|
789 { |
|
|
790 const char *key = conf_info[i++]; |
|
|
791 |
|
|
792 if (key) |
|
|
793 m [key](0) = octave_value (conf_info[i++]); |
|
|
794 else |
|
|
795 break; |
|
|
796 } |
|
|
797 |
|
|
798 initialized = true; |
|
|
799 } |
|
2162
|
800 |
|
2689
|
801 int nargin = args.length (); |
|
|
802 |
|
|
803 if (nargin == 1) |
|
|
804 { |
|
3523
|
805 std::string arg = args(0).string_value (); |
|
2689
|
806 |
|
|
807 if (! error_state) |
|
4233
|
808 retval = m [arg.c_str ()](0); |
|
2689
|
809 } |
|
|
810 else if (nargin == 0) |
|
4233
|
811 retval = m; |
|
2689
|
812 else |
|
|
813 print_usage ("octave_config_info"); |
|
|
814 |
|
|
815 return retval; |
|
2162
|
816 } |
|
|
817 |
|
1683
|
818 #if defined (__GNUG__) && defined (DEBUG_NEW_DELETE) |
|
2806
|
819 |
|
1683
|
820 int debug_new_delete = 0; |
|
|
821 |
|
|
822 typedef void (*vfp)(void); |
|
|
823 extern vfp __new_handler; |
|
|
824 |
|
|
825 void * |
|
|
826 __builtin_new (size_t sz) |
|
|
827 { |
|
|
828 void *p; |
|
|
829 |
|
|
830 /* malloc (0) is unpredictable; avoid it. */ |
|
|
831 if (sz == 0) |
|
|
832 sz = 1; |
|
2800
|
833 p = malloc (sz); |
|
1683
|
834 while (p == 0) |
|
|
835 { |
|
|
836 (*__new_handler) (); |
|
2800
|
837 p = malloc (sz); |
|
1683
|
838 } |
|
|
839 |
|
|
840 if (debug_new_delete) |
|
3538
|
841 std::cout << "__builtin_new: " << p << std::endl; |
|
1683
|
842 |
|
|
843 return p; |
|
|
844 } |
|
|
845 |
|
|
846 void |
|
|
847 __builtin_delete (void *ptr) |
|
|
848 { |
|
|
849 if (debug_new_delete) |
|
3538
|
850 std::cout << "__builtin_delete: " << ptr << std::endl; |
|
1683
|
851 |
|
|
852 if (ptr) |
|
|
853 free (ptr); |
|
|
854 } |
|
2806
|
855 |
|
1683
|
856 #endif |
|
|
857 |
|
2806
|
858 void |
|
|
859 symbols_of_toplev (void) |
|
|
860 { |
|
3141
|
861 DEFCONST (argv, , |
|
3332
|
862 "-*- texinfo -*-\n\ |
|
|
863 @defvr {Built-in Variable} argv\n\ |
|
|
864 The command line arguments passed to Octave are available in this\n\ |
|
|
865 variable. For example, if you invoked Octave using the command\n\ |
|
|
866 \n\ |
|
|
867 @example\n\ |
|
|
868 octave --no-line-editing --silent\n\ |
|
|
869 @end example\n\ |
|
|
870 \n\ |
|
|
871 @noindent\n\ |
|
3971
|
872 @code{argv} would be a cell array of strings with the elements\n\ |
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873 @code{--no-line-editing} and @code{--silent}.\n\ |
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874 \n\ |
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875 If you write an executable Octave script, @code{argv} will contain the\n\ |
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3402
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876 list of arguments passed to the script. @xref{Executable Octave Programs},\n\ |
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877 for an example of how to create an executable Octave script.\n\ |
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3333
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878 @end defvr"); |
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2806
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879 |
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880 DEFCONST (program_invocation_name, |
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3141
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881 octave_env::get_program_invocation_name (), |
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882 "-*- texinfo -*-\n\ |
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883 @defvr {Built-in Variable} program_invocation_name\n\ |
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884 @defvrx {Built-in Variable} program_name\n\ |
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885 When Octave starts, the value of the built-in variable\n\ |
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886 @code{program_invocation_name} is automatically set to the name that was\n\ |
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887 typed at the shell prompt to run Octave, and the value of\n\ |
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888 @code{program_name} is automatically set to the final component of\n\ |
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889 @code{program_invocation_name}. For example, if you typed\n\ |
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890 @samp{@value{OCTAVEHOME}/bin/octave} to start Octave,\n\ |
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891 @code{program_invocation_name} would have the value\n\ |
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892 @code{\"@value{OCTAVEHOME}/bin/octave\"}, and @code{program_name} would\n\ |
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893 have the value @code{\"octave\"}.\n\ |
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894 \n\ |
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895 If executing a script from the command line (e.g., @code{octave foo.m})\n\ |
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896 or using an executable Octave script, the program name is set to the\n\ |
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|
897 name of the script. @xref{Executable Octave Programs}, for an example of\n\ |
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898 how to create an executable Octave script.\n\ |
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899 @end defvr"); |
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900 |
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3141
|
901 DEFCONST (program_name, octave_env::get_program_name (), |
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3332
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902 "-*- texinfo -*-\n\ |
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903 @defvr {Built-in Variable} program_invocation_name\n\ |
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904 @defvrx {Built-in Variable} program_name\n\ |
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905 When Octave starts, the value of the built-in variable\n\ |
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906 @code{program_invocation_name} is automatically set to the name that was\n\ |
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907 typed at the shell prompt to run Octave, and the value of\n\ |
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908 @code{program_name} is automatically set to the final component of\n\ |
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909 @code{program_invocation_name}. For example, if you typed\n\ |
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910 @samp{@value{OCTAVEHOME}/bin/octave} to start Octave,\n\ |
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911 @code{program_invocation_name} would have the value\n\ |
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912 @code{\"@value{OCTAVEHOME}/bin/octave\"}, and @code{program_name} would\n\ |
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913 have the value @code{\"octave\"}.\n\ |
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914 \n\ |
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915 If executing a script from the command line (e.g., @code{octave foo.m})\n\ |
|
|
916 or using an executable Octave script, the program name is set to the\n\ |
|
3402
|
917 name of the script. @xref{Executable Octave Programs}, for an example of\n\ |
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3332
|
918 how to create an executable Octave script.\n\ |
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3333
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919 @end defvr"); |
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920 |
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2806
|
921 } |
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922 |
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1683
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923 /* |
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924 ;;; Local Variables: *** |
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925 ;;; mode: C++ *** |
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926 ;;; End: *** |
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927 */ |
