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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 // Born February 20, 1992. |
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24 |
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240
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25 #ifdef HAVE_CONFIG_H |
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1192
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26 #include <config.h> |
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27 #endif |
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28 |
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1355
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29 #include <cassert> |
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30 #include <cstdlib> |
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31 #include <cstring> |
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32 #include <ctime> |
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33 |
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3503
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34 #include <fstream> |
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35 #include <iostream> |
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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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1
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39 #include <sys/types.h> |
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2442
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40 #endif |
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139
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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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3690
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45 #include "f77-fcn.h" |
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2926
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46 #include "file-stat.h" |
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240
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47 #include "lo-error.h" |
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2926
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48 #include "oct-env.h" |
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3019
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49 #include "pathsearch.h" |
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1907
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50 #include "str-vec.h" |
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223
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51 |
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2492
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52 #include <defaults.h> |
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3933
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53 #include "Cell.h" |
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1355
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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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1
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57 #include "input.h" |
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58 #include "lex.h" |
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1742
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59 #include "oct-hist.h" |
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3195
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60 #include "oct-obj.h" |
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2375
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61 #include "ops.h" |
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1670
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62 #include "toplev.h" |
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1
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63 #include "parse.h" |
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2982
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64 #include "pt-plot.h" |
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562
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65 #include "procstream.h" |
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1817
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66 #include "prog-args.h" |
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1355
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67 #include "sighandlers.h" |
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68 #include "sysdep.h" |
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2375
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69 #include "ov.h" |
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1
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70 #include "unwind-prot.h" |
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1355
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71 #include "utils.h" |
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72 #include "variables.h" |
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2492
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73 #include <version.h> |
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74 |
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3690
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75 // Kluge. |
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3887
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76 extern "C" void F77_FUNC (xerbla, XERBLA) (const char *, int); |
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77 |
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2910
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78 extern void install_builtins (void); |
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79 |
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1704
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80 #if !defined (HAVE_ATEXIT) && defined (HAVE_ON_EXIT) |
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81 extern "C" int on_exit (); |
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82 #define atexit on_exit |
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83 #endif |
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84 |
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1907
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85 // The command-line options. |
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86 static string_vector octave_argv; |
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87 |
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2239
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88 // TRUE means we read ~/.octaverc and ./.octaverc. |
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89 // (--norc; --no-init-file; -f) |
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90 static bool read_init_files = true; |
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91 |
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92 // TRUE means we read the site-wide octaverc files. |
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93 // (--norc; --no-site-file; -f) |
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2240
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94 static bool read_site_files = true; |
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95 |
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3019
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96 // TRUE means we don't print the usual startup message. |
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616
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97 // (--quiet; --silent; -q) |
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98 static bool inhibit_startup_message = false; |
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99 |
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100 // TRUE means we turn on compatibility options. |
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101 // (--traditional) |
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102 static bool traditional = false; |
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103 |
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104 // If TRUE, print verbose info in some cases. |
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105 // (--verbose; -V) |
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106 static bool verbose_flag = false; |
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107 |
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108 // Usage message |
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139
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109 static const char *usage_string = |
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110 "octave [-?HVdfhiqvx] [--debug] [--echo-commands] [--exec-path path]\n\ |
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111 [--help] [--info-file file] [--info-program prog] [--interactive]\n\ |
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112 [--no-history] [--no-init-file] [--no-line-editing] [--no-site-file]\n\ |
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113 [-p path] [--path path] [--silent] [--traditional] [--verbose]\n\ |
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114 [--version] [file]"; |
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115 |
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1358
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116 // This is here so that it's more likely that the usage message and |
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1410
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117 // the real set of options will agree. Note: the `+' must come first |
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118 // to prevent getopt from permuting arguments! |
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3180
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119 static const char *short_opts = "+?HVdfhip:qvx"; |
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139
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120 |
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121 // Long options. See the comments in getopt.h for the meanings of the |
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122 // fields in this structure. |
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1613
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123 #define EXEC_PATH_OPTION 1 |
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124 #define INFO_FILE_OPTION 2 |
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125 #define INFO_PROG_OPTION 3 |
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2240
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126 #define NO_INIT_FILE_OPTION 4 |
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127 #define NO_LINE_EDITING_OPTION 5 |
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128 #define NO_SITE_FILE_OPTION 6 |
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129 #define TRADITIONAL_OPTION 7 |
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1817
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130 long_options long_opts[] = |
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139
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131 { |
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132 { "debug", prog_args::no_arg, 0, 'd' }, |
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2277
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133 { "braindead", prog_args::no_arg, 0, TRADITIONAL_OPTION }, |
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1855
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134 { "echo-commands", prog_args::no_arg, 0, 'x' }, |
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135 { "exec-path", prog_args::required_arg, 0, EXEC_PATH_OPTION }, |
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136 { "help", prog_args::no_arg, 0, 'h' }, |
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137 { "info-file", prog_args::required_arg, 0, INFO_FILE_OPTION }, |
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138 { "info-program", prog_args::required_arg, 0, INFO_PROG_OPTION }, |
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139 { "interactive", prog_args::no_arg, 0, 'i' }, |
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3180
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140 { "no-history", prog_args::no_arg, 0, 'H' }, |
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141 { "no-init-file", prog_args::no_arg, 0, NO_INIT_FILE_OPTION }, |
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142 { "no-line-editing", prog_args::no_arg, 0, NO_LINE_EDITING_OPTION }, |
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143 { "no-site-file", prog_args::no_arg, 0, NO_SITE_FILE_OPTION }, |
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144 { "norc", prog_args::no_arg, 0, 'f' }, |
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145 { "path", prog_args::required_arg, 0, 'p' }, |
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146 { "quiet", prog_args::no_arg, 0, 'q' }, |
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147 { "silent", prog_args::no_arg, 0, 'q' }, |
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148 { "traditional", prog_args::no_arg, 0, TRADITIONAL_OPTION }, |
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149 { "verbose", prog_args::no_arg, 0, 'V' }, |
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150 { "version", prog_args::no_arg, 0, 'v' }, |
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3019
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151 { 0, 0, 0, 0 } |
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139
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152 }; |
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1
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153 |
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1355
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154 // Store the command-line options for later use. |
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155 |
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156 static void |
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157 intern_argv (int argc, char **argv) |
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158 { |
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3259
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159 bind_builtin_variable ("nargin", static_cast<double> (argc-1), |
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160 true, true, 0); |
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161 |
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3933
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162 Cell octave_argv; |
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163 |
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164 if (argc > 1) |
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165 { |
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166 Array<octave_value> tmp (argc-1); |
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167 |
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168 // Skip program name in argv. |
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169 int i = argc; |
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170 while (--i > 0) |
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171 tmp(i-1) = octave_value (*(argv+i)); |
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172 |
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173 octave_argv = Cell (tmp, argc-1, 1); |
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174 } |
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175 |
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176 bind_builtin_constant ("argv", octave_argv, true, true); |
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177 } |
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178 |
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1792
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179 static void |
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180 initialize_pathsearch (void) |
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181 { |
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182 // This may seem odd, but doing it this way means that we don't have |
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183 // to modify the kpathsea library... |
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184 |
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185 std::string odb = octave_env::getenv ("OCTAVE_DB_PATH"); |
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186 |
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187 // For backward compatibility. |
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188 |
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189 if (odb.empty ()) |
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190 odb = octave_env::getenv ("OCTAVE_DB_DIR"); |
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191 |
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192 if (odb.empty ()) |
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193 odb = Vdata_dir + std::string ("/octave:") + Vlibexec_dir + std::string ("/octave"); |
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194 |
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195 octave_original_texmfdbs = octave_env::getenv ("TEXMFDBS"); |
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196 |
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197 octave_env::putenv ("TEXMFDBS", odb); |
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198 } |
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199 |
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581
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200 // Initialize by reading startup files. |
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201 |
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202 static void |
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203 execute_startup_files (void) |
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204 { |
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205 unwind_protect::begin_frame ("execute_startup_files"); |
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206 |
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207 // XXX FIXME XXX -- need to make it possible to set this in startup |
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208 // files. |
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209 |
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210 unwind_protect_bool (input_from_startup_file); |
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211 |
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212 input_from_startup_file = true; |
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213 |
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214 int verbose = (verbose_flag && ! inhibit_startup_message); |
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215 |
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216 if (read_site_files) |
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217 { |
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218 // Execute commands from the site-wide configuration file. |
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219 // First from the file $(prefix)/lib/octave/site/m/octaverc |
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220 // (if it exists), then from the file |
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221 // $(prefix)/share/octave/$(version)/m/octaverc (if it exists). |
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222 |
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223 parse_and_execute (Vlocal_site_defaults_file, verbose); |
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224 |
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225 parse_and_execute (Vsite_defaults_file, verbose); |
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226 } |
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227 |
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228 if (read_init_files) |
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229 { |
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230 // Try to execute commands from $HOME/$OCTAVE_INITFILE and |
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231 // $OCTAVE_INITFILE. If $OCTAVE_INITFILE is not set, .octaverc |
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232 // is assumed. |
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233 |
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234 int home_rc_already_executed = 0; |
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2512
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235 |
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236 std::string initfile = octave_env::getenv ("OCTAVE_INITFILE"); |
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2512
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237 |
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238 if (initfile.empty ()) |
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239 initfile = ".octaverc"; |
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240 |
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3523
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241 std::string home_dir = octave_env::get_home_directory (); |
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242 |
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243 std::string home_rc = home_dir + "/" + initfile; |
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244 std::string local_rc = std::string ("./") + initfile; |
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245 |
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246 if (! home_dir.empty ()) |
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247 { |
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248 parse_and_execute (home_rc, verbose); |
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249 |
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250 // Names alone are not enough. |
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251 |
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252 file_stat fs_home_rc (home_rc); |
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253 |
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254 if (fs_home_rc) |
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255 { |
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2512
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256 file_stat fs_dot_rc (local_rc); |
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257 |
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258 if (fs_dot_rc && fs_home_rc.ino () == fs_dot_rc.ino ()) |
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259 home_rc_already_executed = 1; |
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260 } |
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261 } |
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262 |
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263 if (! home_rc_already_executed) |
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264 parse_and_execute (local_rc, verbose); |
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265 } |
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315
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266 |
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267 unwind_protect::run_frame ("execute_startup_files"); |
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268 } |
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269 |
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581
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270 // Usage message with extra help. |
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271 |
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1
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272 static void |
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273 verbose_usage (void) |
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274 { |
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275 std::cout << OCTAVE_NAME_VERSION_COPYRIGHT_COPYING_AND_WARRANTY "\n\ |
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1613
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276 \n\ |
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277 Usage: octave [options]\n\ |
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278 \n\ |
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279 Options:\n\ |
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1119
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280 \n\ |
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3180
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281 --debug, -d Enter parser debugging mode.\n\ |
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282 --echo-commands, -x Echo commands as they are executed.\n\ |
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1613
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283 --exec-path PATH Set path for executing subprograms.\n\ |
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3180
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284 --help, -h, -? Print short help message and exit.\n\ |
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1613
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285 --info-file FILE Use top-level info file FILE.\n\ |
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286 --info-program PROGRAM Use PROGRAM for reading info files.\n\ |
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3180
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287 --interactive, -i Force interactive behavior.\n\ |
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288 --no-history, -H Don't save commands to the history list\n\ |
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2470
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289 --no-init-file Don't read the ~/.octaverc or .octaverc files.\n\ |
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2212
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290 --no-line-editing Don't use readline for command-line editing.\n\ |
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2470
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291 --no-site-file Don't read the site-wide octaverc file.\n\ |
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3238
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292 --norc, -f Don't read any initialization files.\n\ |
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3180
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293 --path PATH, -p PATH Set initial LOADPATH to PATH.\n\ |
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294 --silent, -q Don't print message at startup.\n\ |
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1613
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295 --traditional Set compatibility variables.\n\ |
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3180
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296 --verbose, -V Enable verbose output in some cases.\n\ |
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297 --version, -v Print version number and exit.\n\ |
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1119
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298 \n\ |
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1613
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299 FILE Execute commands from FILE.\n\ |
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2375
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300 \n\ |
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301 Additional information about Octave is available via the WWW at\n\ |
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3917
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302 http://www.octave.org.\n\ |
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2375
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303 \n\ |
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3917
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304 Please report bugs to the bug-octave@bevo.che.wisc.edu mailing list.\n"; |
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285
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305 |
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613
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306 exit (0); |
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1
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307 } |
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308 |
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581
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309 // Terse usage messsage. |
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310 |
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1
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311 static void |
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312 usage (void) |
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313 { |
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3531
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314 std::cerr << "usage: " << usage_string << "\n"; |
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1
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315 exit (1); |
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316 } |
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317 |
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318 static void |
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319 print_version_and_exit (void) |
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320 { |
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3922
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321 std::cout << OCTAVE_NAME_VERSION_COPYRIGHT_COPYING_WARRANTY_AND_BUGS "\n"; |
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1
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322 exit (0); |
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323 } |
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324 |
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721
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325 static void |
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326 initialize_error_handlers () |
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327 { |
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328 set_liboctave_error_handler (error); |
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3325
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329 set_liboctave_warning_handler (warning); |
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721
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330 } |
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331 |
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1410
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332 // What happens on --traditional. |
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333 |
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334 static void |
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335 maximum_braindamage (void) |
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336 { |
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337 bind_builtin_variable ("PS1", ">> "); |
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338 bind_builtin_variable ("PS2", ""); |
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2402
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339 bind_builtin_variable ("beep_on_error", 1.0); |
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3189
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340 bind_builtin_variable ("crash_dumps_octave_core", 0.0); |
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2993
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341 bind_builtin_variable ("default_eval_print_flag", 0.0); |
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3156
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342 bind_builtin_variable ("default_global_variable_value", Matrix ()); |
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1410
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343 bind_builtin_variable ("default_save_format", "mat-binary"); |
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2402
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344 bind_builtin_variable ("define_all_return_values", 1.0); |
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345 bind_builtin_variable ("do_fortran_indexing", 1.0); |
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3105
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346 bind_builtin_variable ("fixed_point_format", 1.0); |
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3110
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347 bind_builtin_variable ("implicit_num_to_str_ok", 1.0); |
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2402
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348 bind_builtin_variable ("implicit_str_to_num_ok", 1.0); |
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3156
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349 bind_builtin_variable ("initialize_global_variables", 1.0); |
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2402
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350 bind_builtin_variable ("ok_to_lose_imaginary_part", 1.0); |
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351 bind_builtin_variable ("page_screen_output", 0.0); |
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352 bind_builtin_variable ("prefer_column_vectors", 0.0); |
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353 bind_builtin_variable ("print_empty_dimensions", 0.0); |
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354 bind_builtin_variable ("treat_neg_dim_as_zero", 1.0); |
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355 bind_builtin_variable ("warn_function_name_clash", 0.0); |
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1410
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356 bind_builtin_variable ("whitespace_in_literal_matrix", "traditional"); |
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357 } |
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358 |
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581
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359 // You guessed it. |
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360 |
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1
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361 int |
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362 main (int argc, char **argv) |
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363 { |
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3019
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364 octave_env::set_program_name (argv[0]); |
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365 |
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3024
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366 dir_path::set_program_name (argv[0]); |
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367 |
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2205
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368 // The order of these calls is important. The call to |
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2926
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369 // install_defaults must come before install_builtins because |
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3019
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370 // default variable values must be available for the variables to be |
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2205
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371 // installed, and the call to install_builtins must come before the |
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372 // options are processed because some command line options override |
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373 // defaults by calling bind_builtin_variable. |
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721
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374 |
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1
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375 sysdep_init (); |
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376 |
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721
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377 initialize_error_handlers (); |
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223
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378 |
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2926
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379 install_defaults (); |
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1
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380 |
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1792
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381 initialize_pathsearch (); |
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1744
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382 |
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2205
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383 install_signal_handlers (); |
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384 |
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385 initialize_file_io (); |
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386 |
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2375
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387 initialize_symbol_tables (); |
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388 |
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389 install_types (); |
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390 |
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391 install_ops (); |
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2205
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392 |
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393 install_builtins (); |
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394 |
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1817
|
395 prog_args args (argc, argv, short_opts, long_opts); |
|
|
396 |
|
139
|
397 int optc; |
|
1817
|
398 while ((optc = args.getopt ()) != EOF) |
|
1
|
399 { |
|
139
|
400 switch (optc) |
|
1
|
401 { |
|
3180
|
402 case 'H': |
|
|
403 bind_builtin_variable ("saving_history", 0.0); |
|
|
404 break; |
|
|
405 |
|
793
|
406 case 'V': |
|
2239
|
407 verbose_flag = true; |
|
793
|
408 break; |
|
|
409 |
|
1
|
410 case 'd': |
|
|
411 yydebug++; |
|
|
412 break; |
|
777
|
413 |
|
1
|
414 case 'f': |
|
2239
|
415 read_init_files = false; |
|
|
416 read_site_files = false; |
|
1
|
417 break; |
|
777
|
418 |
|
1
|
419 case 'h': |
|
|
420 case '?': |
|
|
421 verbose_usage (); |
|
|
422 break; |
|
777
|
423 |
|
1
|
424 case 'i': |
|
3019
|
425 forced_interactive = true; |
|
1
|
426 break; |
|
777
|
427 |
|
1
|
428 case 'p': |
|
1817
|
429 if (args.optarg ()) |
|
2205
|
430 bind_builtin_variable ("LOADPATH", args.optarg ()); |
|
1
|
431 break; |
|
777
|
432 |
|
1
|
433 case 'q': |
|
2239
|
434 inhibit_startup_message = true; |
|
1
|
435 break; |
|
777
|
436 |
|
1
|
437 case 'x': |
|
2205
|
438 { |
|
|
439 double tmp = (ECHO_SCRIPTS | ECHO_FUNCTIONS | ECHO_CMD_LINE); |
|
|
440 bind_builtin_variable ("echo_executing_commands", tmp); |
|
|
441 } |
|
1
|
442 break; |
|
777
|
443 |
|
1
|
444 case 'v': |
|
|
445 print_version_and_exit (); |
|
|
446 break; |
|
777
|
447 |
|
1613
|
448 case EXEC_PATH_OPTION: |
|
1817
|
449 if (args.optarg ()) |
|
2205
|
450 bind_builtin_variable ("EXEC_PATH", args.optarg ()); |
|
1613
|
451 break; |
|
|
452 |
|
186
|
453 case INFO_FILE_OPTION: |
|
1817
|
454 if (args.optarg ()) |
|
2205
|
455 bind_builtin_variable ("INFO_FILE", args.optarg ()); |
|
186
|
456 break; |
|
777
|
457 |
|
1613
|
458 case INFO_PROG_OPTION: |
|
1817
|
459 if (args.optarg ()) |
|
2205
|
460 bind_builtin_variable ("INFO_PROGRAM", args.optarg ()); |
|
1613
|
461 break; |
|
|
462 |
|
2239
|
463 case NO_INIT_FILE_OPTION: |
|
|
464 read_init_files = false; |
|
|
465 break; |
|
|
466 |
|
1821
|
467 case NO_LINE_EDITING_OPTION: |
|
3019
|
468 line_editing = false; |
|
2239
|
469 break; |
|
|
470 |
|
|
471 case NO_SITE_FILE_OPTION: |
|
|
472 read_site_files = 0; |
|
1821
|
473 break; |
|
|
474 |
|
1410
|
475 case TRADITIONAL_OPTION: |
|
2239
|
476 traditional = true; |
|
1410
|
477 break; |
|
|
478 |
|
1
|
479 default: |
|
|
480 usage (); |
|
|
481 break; |
|
|
482 } |
|
|
483 } |
|
|
484 |
|
1651
|
485 #if defined (HAVE_ATEXIT) || defined (HAVE_ON_EXIT) |
|
2077
|
486 // Make sure we clean up when we exit. Also allow users to register |
|
|
487 // functions. If we don't have atexit or on_exit, we're going to |
|
|
488 // leave some junk files around if we exit abnormally. |
|
|
489 |
|
|
490 atexit (do_octave_atexit); |
|
318
|
491 #endif |
|
1
|
492 |
|
1358
|
493 // These can come after command line args since none of them set any |
|
|
494 // defaults that might be changed by command line options. |
|
581
|
495 |
|
2926
|
496 initialize_command_input (); |
|
315
|
497 |
|
578
|
498 if (! inhibit_startup_message) |
|
3538
|
499 std::cout << OCTAVE_STARTUP_MESSAGE "\n" << std::endl; |
|
578
|
500 |
|
1410
|
501 if (traditional) |
|
|
502 maximum_braindamage (); |
|
|
503 |
|
2239
|
504 execute_startup_files (); |
|
1651
|
505 |
|
2926
|
506 command_history::read (false); |
|
1
|
507 |
|
578
|
508 if (! inhibit_startup_message && reading_startup_message_printed) |
|
3538
|
509 std::cout << std::endl; |
|
578
|
510 |
|
1358
|
511 // Avoid counting commands executed from startup files. |
|
|
512 |
|
2926
|
513 command_editor::reset_current_command_number (1); |
|
1
|
514 |
|
1358
|
515 // If there is an extra argument, see if it names a file to read. |
|
|
516 // Additional arguments are taken as command line options for the |
|
|
517 // script. |
|
1
|
518 |
|
1817
|
519 int last_arg_idx = args.optind (); |
|
3019
|
520 |
|
1817
|
521 int remaining_args = argc - last_arg_idx; |
|
3019
|
522 |
|
1355
|
523 if (remaining_args > 0) |
|
149
|
524 { |
|
3019
|
525 reading_script_file = true; |
|
|
526 |
|
1817
|
527 curr_fcn_file_name = argv[last_arg_idx]; |
|
1608
|
528 curr_fcn_file_full_name = curr_fcn_file_name; |
|
1411
|
529 |
|
984
|
530 FILE *infile = get_input_from_file (curr_fcn_file_name); |
|
1411
|
531 |
|
529
|
532 if (infile) |
|
287
|
533 { |
|
3019
|
534 input_from_command_line_file = true; |
|
1516
|
535 |
|
1411
|
536 bind_builtin_variable ("program_invocation_name", |
|
|
537 curr_fcn_file_name); |
|
|
538 |
|
1755
|
539 size_t pos = curr_fcn_file_name.rfind ('/'); |
|
|
540 |
|
3523
|
541 std::string tmp = (pos != NPOS) |
|
1755
|
542 ? curr_fcn_file_name.substr (pos+1) : curr_fcn_file_name; |
|
1411
|
543 |
|
|
544 bind_builtin_variable ("program_name", tmp); |
|
|
545 |
|
1817
|
546 intern_argv (remaining_args, argv+last_arg_idx); |
|
1411
|
547 |
|
2926
|
548 command_editor::blink_matching_paren (false); |
|
|
549 |
|
287
|
550 switch_to_buffer (create_buffer (infile)); |
|
|
551 } |
|
529
|
552 else |
|
|
553 clean_up_and_exit (1); |
|
1
|
554 } |
|
|
555 else |
|
|
556 { |
|
1355
|
557 // Is input coming from a terminal? If so, we are probably |
|
|
558 // interactive. |
|
1
|
559 |
|
|
560 interactive = (isatty (fileno (stdin)) && isatty (fileno (stdout))); |
|
1355
|
561 |
|
|
562 intern_argv (argc, argv); |
|
|
563 |
|
|
564 switch_to_buffer (create_buffer (get_input_from_stdin ())); |
|
1
|
565 } |
|
|
566 |
|
1358
|
567 // Force input to be echoed if not really interactive, but the user |
|
|
568 // has forced interactive behavior. |
|
1
|
569 |
|
1907
|
570 if (! interactive && forced_interactive) |
|
287
|
571 { |
|
2926
|
572 command_editor::blink_matching_paren (false); |
|
1588
|
573 |
|
|
574 // XXX FIXME XXX -- is this the right thing to do? |
|
|
575 |
|
|
576 bind_builtin_variable ("echo_executing_commands", |
|
2800
|
577 static_cast<double> (ECHO_CMD_LINE)); |
|
287
|
578 } |
|
1
|
579 |
|
1410
|
580 if (! interactive) |
|
3019
|
581 line_editing = false; |
|
1
|
582 |
|
1907
|
583 int retval = main_loop (); |
|
1
|
584 |
|
1005
|
585 if (retval == 1 && ! error_state) |
|
|
586 retval = 0; |
|
|
587 |
|
1
|
588 clean_up_and_exit (retval); |
|
|
589 } |
|
|
590 |
|
560
|
591 /* |
|
1
|
592 ;;; Local Variables: *** |
|
|
593 ;;; mode: C++ *** |
|
|
594 ;;; End: *** |
|
|
595 */ |
