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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 <csignal> |
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31 #include <cstdlib> |
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32 #include <cstring> |
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33 #include <ctime> |
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34 |
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35 #include <fstream.h> |
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36 #include <iostream.h> |
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37 #include <strstream.h> |
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38 |
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39 #ifdef HAVE_UNISTD_H |
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2442
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40 #ifdef HAVE_SYS_TYPES_H |
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1
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41 #include <sys/types.h> |
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2442
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42 #endif |
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139
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43 #include <unistd.h> |
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44 #endif |
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45 |
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2926
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46 #include "cmd-edit.h" |
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47 #include "file-stat.h" |
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240
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48 #include "lo-error.h" |
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2926
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49 #include "oct-env.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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1355
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53 #include "defun.h" |
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703
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54 #include "dynamic-ld.h" |
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1355
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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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2375
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60 #include "ops.h" |
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1670
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61 #include "toplev.h" |
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1
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62 #include "parse.h" |
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1355
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63 #include "pathsearch.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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2910
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75 extern void install_builtins (void); |
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76 |
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1704
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77 #if !defined (HAVE_ATEXIT) && defined (HAVE_ON_EXIT) |
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78 extern "C" int on_exit (); |
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79 #define atexit on_exit |
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80 #endif |
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81 |
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1792
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82 // Don't redefine the variables if glibc already has. |
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2775
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83 #if defined (HAVE_PROGRAM_INVOCATION_NAME) || defined (WITH_KPATHSEARCH) |
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84 extern char *program_invocation_name; |
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85 extern char *program_invocation_short_name; |
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86 #else |
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87 char *program_invocation_name; |
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88 char *program_invocation_short_name; |
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89 #endif |
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90 |
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91 // The command-line options. |
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92 static string_vector octave_argv; |
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93 |
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94 // TRUE means we read ~/.octaverc and ./.octaverc. |
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95 // (--norc; --no-init-file; -f) |
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96 static bool read_init_files = true; |
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97 |
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98 // TRUE means we read the site-wide octaverc files. |
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99 // (--norc; --no-site-file; -f) |
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2240
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100 static bool read_site_files = true; |
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101 |
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102 // Nonzero means we don't print the usual startup message. |
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103 // (--quiet; --silent; -q) |
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104 static bool inhibit_startup_message = false; |
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105 |
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106 // Nonzero means we turn on compatibility options. |
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107 // (--traditional) |
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108 static bool traditional = false; |
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109 |
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1825
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110 // If nonzero, print verbose info in some cases. |
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111 // (--verbose; -V) |
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112 static bool verbose_flag = false; |
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113 |
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114 // Usage message |
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139
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115 static const char *usage_string = |
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116 "octave [-?Vdfhiqvx] [--debug] [--echo-commands] [--exec-path path]\n\ |
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117 [--help] [--info-file file] [--info-program prog] [--interactive]\n\ |
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118 [--no-init-file] [--no-line-editing] [--no-site-file] [-p path]\n\ |
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119 [--path path] [--silent] [--traditional] [--verbose] [--version] [file]"; |
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120 |
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121 // This is here so that it's more likely that the usage message and |
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122 // the real set of options will agree. Note: the `+' must come first |
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123 // to prevent getopt from permuting arguments! |
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124 static const char *short_opts = "+?Vdfhip:qvx"; |
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139
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125 |
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126 // Long options. See the comments in getopt.h for the meanings of the |
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127 // fields in this structure. |
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1613
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128 #define EXEC_PATH_OPTION 1 |
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129 #define INFO_FILE_OPTION 2 |
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130 #define INFO_PROG_OPTION 3 |
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2240
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131 #define NO_INIT_FILE_OPTION 4 |
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132 #define NO_LINE_EDITING_OPTION 5 |
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133 #define NO_SITE_FILE_OPTION 6 |
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134 #define TRADITIONAL_OPTION 7 |
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1817
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135 long_options long_opts[] = |
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139
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136 { |
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137 { "debug", prog_args::no_arg, 0, 'd' }, |
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138 { "braindead", prog_args::no_arg, 0, TRADITIONAL_OPTION }, |
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139 { "echo-commands", prog_args::no_arg, 0, 'x' }, |
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140 { "exec-path", prog_args::required_arg, 0, EXEC_PATH_OPTION }, |
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141 { "help", prog_args::no_arg, 0, 'h' }, |
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142 { "info-file", prog_args::required_arg, 0, INFO_FILE_OPTION }, |
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143 { "info-program", prog_args::required_arg, 0, INFO_PROG_OPTION }, |
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144 { "interactive", prog_args::no_arg, 0, 'i' }, |
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145 { "no-init-file", prog_args::no_arg, 0, NO_INIT_FILE_OPTION }, |
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146 { "no-line-editing", prog_args::no_arg, 0, NO_LINE_EDITING_OPTION }, |
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147 { "no-site-file", prog_args::no_arg, 0, NO_SITE_FILE_OPTION }, |
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148 { "norc", prog_args::no_arg, 0, 'f' }, |
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149 { "path", prog_args::required_arg, 0, 'p' }, |
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150 { "quiet", prog_args::no_arg, 0, 'q' }, |
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151 { "silent", prog_args::no_arg, 0, 'q' }, |
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152 { "traditional", prog_args::no_arg, 0, TRADITIONAL_OPTION }, |
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153 { "verbose", prog_args::no_arg, 0, 'V' }, |
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154 { "version", prog_args::no_arg, 0, 'v' }, |
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155 { 0, 0, 0, 0 } |
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139
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156 }; |
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157 |
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158 // Store the command-line options for later use. |
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159 |
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160 static void |
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161 intern_argv (int argc, char **argv) |
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162 { |
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2926
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163 octave_env::set_program_name (argv[0]); |
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164 |
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165 // XXX FIXME XXX -- Kpathsea needs this. |
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166 |
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167 #if ! defined (HAVE_PROGRAM_INVOCATION_NAME) |
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168 program_invocation_name |
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169 = strsave (octave_env::get_program_invocation_name () . c_str ()); |
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170 |
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171 program_invocation_short_name |
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172 = strsave (octave_env::get_program_name () . c_str ()); |
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173 #endif |
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174 |
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175 if (argc > 1) |
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176 { |
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2495
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177 // Skip program name in argv. |
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178 |
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179 octave_argv = string_vector (argv+1, argc-1); |
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180 |
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181 bind_builtin_variable ("argv", octave_argv, 1, 1, 0); |
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182 bind_builtin_variable ("__argv__", octave_argv, 1, 1, 0); |
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183 } |
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184 |
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185 bind_builtin_variable ("nargin", static_cast<double> (argc-1), 1, 1, 0); |
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186 } |
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187 |
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188 static void |
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189 initialize_pathsearch (void) |
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190 { |
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191 // This may seem odd, but doing it this way means that we don't have |
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192 // to modify the kpathsea library... |
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193 |
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194 string odb = octave_env::getenv ("OCTAVE_DB_DIR"); |
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195 |
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196 if (odb.empty ()) |
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197 { |
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198 string oh = octave_env::getenv ("OCTAVE_HOME"); |
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199 |
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200 if (oh.empty ()) |
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201 octave_env::putenv ("TEXMF", OCTAVE_DATADIR "/octave"); |
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202 else |
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203 { |
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204 oh.append ("/lib/octave"); |
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205 octave_env::putenv ("TEXMF", oh); |
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206 } |
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207 } |
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208 else |
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209 octave_env::putenv ("TEXMF", odb); |
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210 } |
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211 |
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212 // Initialize by reading startup files. |
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213 |
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214 static void |
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215 execute_startup_files (void) |
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216 { |
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217 unwind_protect::begin_frame ("execute_startup_files"); |
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315
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218 |
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219 // XXX FIXME XXX -- need to make it possible to set this in startup |
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220 // files. |
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221 |
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222 unwind_protect_int (input_from_startup_file); |
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223 |
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224 input_from_startup_file = 1; |
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225 |
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226 int verbose = (verbose_flag && ! inhibit_startup_message); |
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227 |
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228 if (read_site_files) |
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229 { |
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230 // Execute commands from the site-wide configuration file. |
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231 // First from the file $(prefix)/lib/octave/site/m/octaverc |
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232 // (if it exists), then from the file |
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233 // $(prefix)/lib/octave/$(version)/m/octaverc (if it exists). |
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234 |
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235 parse_and_execute (Vlocal_site_defaults_file, verbose); |
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236 |
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237 parse_and_execute (Vsite_defaults_file, verbose); |
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238 } |
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239 |
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240 if (read_init_files) |
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241 { |
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242 // Try to execute commands from $HOME/$OCTAVE_INITFILE and |
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243 // $OCTAVE_INITFILE. If $OCTAVE_INITFILE is not set, .octaverc |
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244 // is assumed. |
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245 |
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246 int home_rc_already_executed = 0; |
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247 |
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248 string initfile = octave_env::getenv ("OCTAVE_INITFILE"); |
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2512
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249 |
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250 if (initfile.empty ()) |
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251 initfile = ".octaverc"; |
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252 |
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253 string home_dir = octave_env::get_home_directory (); |
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254 |
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255 string home_rc = home_dir + "/" + initfile; |
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256 string local_rc = string ("./") + initfile; |
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257 |
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258 if (! home_dir.empty ()) |
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2239
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259 { |
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260 parse_and_execute (home_rc, verbose); |
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261 |
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262 // Names alone are not enough. |
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263 |
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264 file_stat fs_home_rc (home_rc); |
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265 |
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266 if (fs_home_rc) |
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267 { |
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268 file_stat fs_dot_rc (local_rc); |
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269 |
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270 if (fs_dot_rc && fs_home_rc.ino () == fs_dot_rc.ino ()) |
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271 home_rc_already_executed = 1; |
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272 } |
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273 } |
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274 |
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275 if (! home_rc_already_executed) |
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2897
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276 parse_and_execute (local_rc, verbose); |
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2239
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277 } |
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315
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278 |
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2985
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279 unwind_protect::run_frame ("execute_startup_files"); |
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280 } |
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281 |
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581
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282 // Usage message with extra help. |
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283 |
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284 static void |
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285 verbose_usage (void) |
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286 { |
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287 cout << OCTAVE_NAME_VERSION_AND_COPYRIGHT "\n\ |
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288 \n\ |
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289 Usage: octave [options]\n\ |
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290 \n\ |
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291 Options:\n\ |
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1119
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292 \n\ |
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1613
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293 -d, --debug Enter parser debugging mode.\n\ |
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294 -x, --echo-commands Echo commands as they are executed.\n\ |
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295 --exec-path PATH Set path for executing subprograms.\n\ |
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296 -h, -?, --help Print short help message and exit.\n\ |
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2239
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297 -f, --norc Don't read any initialization files.\n\ |
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1613
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298 --info-file FILE Use top-level info file FILE.\n\ |
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299 --info-program PROGRAM Use PROGRAM for reading info files.\n\ |
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300 -i, --interactive Force interactive behavior.\n\ |
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2470
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301 --no-init-file Don't read the ~/.octaverc or .octaverc files.\n\ |
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2212
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302 --no-line-editing Don't use readline for command-line editing.\n\ |
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2470
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303 --no-site-file Don't read the site-wide octaverc file.\n\ |
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1613
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304 -p PATH, --path PATH Set initial LOADPATH to PATH.\n\ |
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305 -q, --silent Don't print message at startup.\n\ |
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306 --traditional Set compatibility variables.\n\ |
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307 -V, --verbose Enable verbose output in some cases.\n\ |
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308 -v, --version Print version number and exit.\n\ |
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1119
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309 \n\ |
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1613
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310 FILE Execute commands from FILE.\n\ |
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2375
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311 \n\ |
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312 Additional information about Octave is available via the WWW at\n\ |
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313 http://www.che.wisc.edu/octave.\n\ |
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314 \n\ |
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315 Please report bugs to the mailing list `bug-octave@bevo.che.wisc.edu'.\n"; |
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285
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316 |
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613
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317 exit (0); |
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1
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318 } |
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319 |
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581
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320 // Terse usage messsage. |
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321 |
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1
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322 static void |
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323 usage (void) |
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324 { |
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613
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325 cerr << "usage: " << usage_string << "\n"; |
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1
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326 exit (1); |
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327 } |
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328 |
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329 static void |
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330 print_version_and_exit (void) |
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331 { |
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1107
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332 cout << OCTAVE_NAME_AND_VERSION << "\n"; |
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1
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333 exit (0); |
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334 } |
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335 |
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721
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336 static void |
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337 initialize_error_handlers () |
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338 { |
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339 set_liboctave_error_handler (error); |
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340 } |
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341 |
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1410
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342 // What happens on --traditional. |
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343 |
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344 static void |
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345 maximum_braindamage (void) |
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346 { |
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347 bind_builtin_variable ("PS1", ">> "); |
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348 bind_builtin_variable ("PS2", ""); |
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2402
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349 bind_builtin_variable ("beep_on_error", 1.0); |
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2993
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350 bind_builtin_variable ("default_eval_print_flag", 0.0); |
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1410
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351 bind_builtin_variable ("default_save_format", "mat-binary"); |
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2402
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352 bind_builtin_variable ("define_all_return_values", 1.0); |
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353 bind_builtin_variable ("do_fortran_indexing", 1.0); |
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354 bind_builtin_variable ("empty_list_elements_ok", 1.0); |
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355 bind_builtin_variable ("implicit_str_to_num_ok", 1.0); |
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356 bind_builtin_variable ("ok_to_lose_imaginary_part", 1.0); |
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357 bind_builtin_variable ("page_screen_output", 0.0); |
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358 bind_builtin_variable ("prefer_column_vectors", 0.0); |
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359 bind_builtin_variable ("print_empty_dimensions", 0.0); |
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360 bind_builtin_variable ("treat_neg_dim_as_zero", 1.0); |
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361 bind_builtin_variable ("warn_function_name_clash", 0.0); |
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1410
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362 bind_builtin_variable ("whitespace_in_literal_matrix", "traditional"); |
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363 } |
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364 |
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581
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365 // You guessed it. |
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366 |
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1
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367 int |
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368 main (int argc, char **argv) |
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369 { |
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2205
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370 // The order of these calls is important. The call to |
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2926
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371 // install_defaults must come before install_builtins because |
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2205
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372 // default variable values must be available for the varaibles to be |
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373 // installed, and the call to install_builtins must come before the |
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374 // options are processed because some command line options override |
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375 // defaults by calling bind_builtin_variable. |
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721
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376 |
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1
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377 sysdep_init (); |
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378 |
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721
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379 initialize_error_handlers (); |
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223
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380 |
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2926
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381 install_defaults (); |
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1
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382 |
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1792
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383 initialize_pathsearch (); |
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1744
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384 |
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2205
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385 install_signal_handlers (); |
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386 |
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387 initialize_file_io (); |
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388 |
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2375
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389 initialize_symbol_tables (); |
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390 |
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391 install_types (); |
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392 |
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393 install_ops (); |
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2205
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394 |
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395 install_builtins (); |
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396 |
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1817
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397 prog_args args (argc, argv, short_opts, long_opts); |
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398 |
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139
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399 int optc; |
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1817
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400 while ((optc = args.getopt ()) != EOF) |
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1
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401 { |
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139
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402 switch (optc) |
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1
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403 { |
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793
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404 case 'V': |
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2239
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405 verbose_flag = true; |
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793
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406 break; |
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407 |
|
1
|
408 case 'd': |
|
|
409 yydebug++; |
|
|
410 break; |
|
777
|
411 |
|
1
|
412 case 'f': |
|
2239
|
413 read_init_files = false; |
|
|
414 read_site_files = false; |
|
1
|
415 break; |
|
777
|
416 |
|
1
|
417 case 'h': |
|
|
418 case '?': |
|
|
419 verbose_usage (); |
|
|
420 break; |
|
777
|
421 |
|
1
|
422 case 'i': |
|
|
423 forced_interactive = 1; |
|
|
424 break; |
|
777
|
425 |
|
1
|
426 case 'p': |
|
1817
|
427 if (args.optarg ()) |
|
2205
|
428 bind_builtin_variable ("LOADPATH", args.optarg ()); |
|
1
|
429 break; |
|
777
|
430 |
|
1
|
431 case 'q': |
|
2239
|
432 inhibit_startup_message = true; |
|
1
|
433 break; |
|
777
|
434 |
|
1
|
435 case 'x': |
|
2205
|
436 { |
|
|
437 double tmp = (ECHO_SCRIPTS | ECHO_FUNCTIONS | ECHO_CMD_LINE); |
|
|
438 bind_builtin_variable ("echo_executing_commands", tmp); |
|
|
439 } |
|
1
|
440 break; |
|
777
|
441 |
|
1
|
442 case 'v': |
|
|
443 print_version_and_exit (); |
|
|
444 break; |
|
777
|
445 |
|
1613
|
446 case EXEC_PATH_OPTION: |
|
1817
|
447 if (args.optarg ()) |
|
2205
|
448 bind_builtin_variable ("EXEC_PATH", args.optarg ()); |
|
1613
|
449 break; |
|
|
450 |
|
186
|
451 case INFO_FILE_OPTION: |
|
1817
|
452 if (args.optarg ()) |
|
2205
|
453 bind_builtin_variable ("INFO_FILE", args.optarg ()); |
|
186
|
454 break; |
|
777
|
455 |
|
1613
|
456 case INFO_PROG_OPTION: |
|
1817
|
457 if (args.optarg ()) |
|
2205
|
458 bind_builtin_variable ("INFO_PROGRAM", args.optarg ()); |
|
1613
|
459 break; |
|
|
460 |
|
2239
|
461 case NO_INIT_FILE_OPTION: |
|
|
462 read_init_files = false; |
|
|
463 break; |
|
|
464 |
|
1821
|
465 case NO_LINE_EDITING_OPTION: |
|
2926
|
466 line_editing = 0; |
|
2239
|
467 break; |
|
|
468 |
|
|
469 case NO_SITE_FILE_OPTION: |
|
|
470 read_site_files = 0; |
|
1821
|
471 break; |
|
|
472 |
|
1410
|
473 case TRADITIONAL_OPTION: |
|
2239
|
474 traditional = true; |
|
1410
|
475 break; |
|
|
476 |
|
1
|
477 default: |
|
|
478 usage (); |
|
|
479 break; |
|
|
480 } |
|
|
481 } |
|
|
482 |
|
1651
|
483 #if defined (HAVE_ATEXIT) || defined (HAVE_ON_EXIT) |
|
2077
|
484 // Make sure we clean up when we exit. Also allow users to register |
|
|
485 // functions. If we don't have atexit or on_exit, we're going to |
|
|
486 // leave some junk files around if we exit abnormally. |
|
|
487 |
|
|
488 atexit (do_octave_atexit); |
|
|
489 |
|
1
|
490 atexit (cleanup_tmp_files); |
|
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) |
|
1106
|
499 cout << OCTAVE_STARTUP_MESSAGE "\n" << 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) |
|
|
509 cout << endl; |
|
|
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 (); |
|
|
520 int remaining_args = argc - last_arg_idx; |
|
1355
|
521 if (remaining_args > 0) |
|
149
|
522 { |
|
984
|
523 reading_script_file = 1; |
|
1817
|
524 curr_fcn_file_name = argv[last_arg_idx]; |
|
1608
|
525 curr_fcn_file_full_name = curr_fcn_file_name; |
|
1411
|
526 |
|
984
|
527 FILE *infile = get_input_from_file (curr_fcn_file_name); |
|
1411
|
528 |
|
529
|
529 if (infile) |
|
287
|
530 { |
|
1516
|
531 input_from_command_line_file = 1; |
|
|
532 |
|
1411
|
533 bind_builtin_variable ("program_invocation_name", |
|
|
534 curr_fcn_file_name); |
|
|
535 |
|
1755
|
536 size_t pos = curr_fcn_file_name.rfind ('/'); |
|
|
537 |
|
|
538 string tmp = (pos != NPOS) |
|
|
539 ? curr_fcn_file_name.substr (pos+1) : curr_fcn_file_name; |
|
1411
|
540 |
|
|
541 bind_builtin_variable ("program_name", tmp); |
|
|
542 |
|
1817
|
543 intern_argv (remaining_args, argv+last_arg_idx); |
|
1411
|
544 |
|
2926
|
545 command_editor::blink_matching_paren (false); |
|
|
546 |
|
287
|
547 switch_to_buffer (create_buffer (infile)); |
|
|
548 } |
|
529
|
549 else |
|
|
550 clean_up_and_exit (1); |
|
1
|
551 } |
|
|
552 else |
|
|
553 { |
|
1355
|
554 // Is input coming from a terminal? If so, we are probably |
|
|
555 // interactive. |
|
1
|
556 |
|
|
557 interactive = (isatty (fileno (stdin)) && isatty (fileno (stdout))); |
|
1355
|
558 |
|
|
559 intern_argv (argc, argv); |
|
|
560 |
|
|
561 switch_to_buffer (create_buffer (get_input_from_stdin ())); |
|
1
|
562 } |
|
|
563 |
|
1358
|
564 // Force input to be echoed if not really interactive, but the user |
|
|
565 // has forced interactive behavior. |
|
1
|
566 |
|
1907
|
567 if (! interactive && forced_interactive) |
|
287
|
568 { |
|
2926
|
569 command_editor::blink_matching_paren (false); |
|
1588
|
570 |
|
|
571 // XXX FIXME XXX -- is this the right thing to do? |
|
|
572 |
|
|
573 bind_builtin_variable ("echo_executing_commands", |
|
2800
|
574 static_cast<double> (ECHO_CMD_LINE)); |
|
287
|
575 } |
|
1
|
576 |
|
1410
|
577 if (! interactive) |
|
2926
|
578 line_editing = 0; |
|
1
|
579 |
|
1907
|
580 int retval = main_loop (); |
|
1
|
581 |
|
1005
|
582 if (retval == 1 && ! error_state) |
|
|
583 retval = 0; |
|
|
584 |
|
1
|
585 clean_up_and_exit (retval); |
|
|
586 } |
|
|
587 |
|
560
|
588 /* |
|
1
|
589 ;;; Local Variables: *** |
|
|
590 ;;; mode: C++ *** |
|
|
591 ;;; End: *** |
|
|
592 */ |
