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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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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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4097
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46 #include "file-ops.h" |
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2926
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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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3019
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50 #include "pathsearch.h" |
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1907
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51 #include "str-vec.h" |
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223
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52 |
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2492
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53 #include <defaults.h> |
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3933
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54 #include "Cell.h" |
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1355
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55 #include "defun.h" |
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56 #include "error.h" |
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57 #include "file-io.h" |
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1
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58 #include "input.h" |
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59 #include "lex.h" |
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4113
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60 #include "octave.h" |
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1742
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61 #include "oct-hist.h" |
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3195
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62 #include "oct-obj.h" |
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2375
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63 #include "ops.h" |
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1670
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64 #include "toplev.h" |
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1
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65 #include "parse.h" |
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562
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66 #include "procstream.h" |
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1817
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67 #include "prog-args.h" |
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1355
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68 #include "sighandlers.h" |
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69 #include "sysdep.h" |
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2375
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70 #include "ov.h" |
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1
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71 #include "unwind-prot.h" |
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1355
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72 #include "utils.h" |
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73 #include "variables.h" |
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2492
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74 #include <version.h> |
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75 |
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4159
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76 // Kluge. |
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77 extern "C" void F77_FUNC (xerbla, XERBLA) (const char *, int, long); |
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78 |
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2910
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79 extern void install_builtins (void); |
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80 |
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1704
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81 #if !defined (HAVE_ATEXIT) && defined (HAVE_ON_EXIT) |
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82 extern "C" int on_exit (); |
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83 #define atexit on_exit |
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84 #endif |
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85 |
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1907
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86 // The command-line options. |
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87 static string_vector octave_argv; |
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88 |
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2239
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89 // TRUE means we read ~/.octaverc and ./.octaverc. |
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90 // (--norc; --no-init-file; -f) |
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91 static bool read_init_files = true; |
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92 |
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93 // TRUE means we read the site-wide octaverc files. |
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94 // (--norc; --no-site-file; -f) |
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2240
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95 static bool read_site_files = true; |
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96 |
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3019
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97 // TRUE means we don't print the usual startup message. |
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98 // (--quiet; --silent; -q) |
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99 static bool inhibit_startup_message = false; |
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100 |
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101 // TRUE means we turn on compatibility options. |
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102 // (--traditional) |
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103 static bool traditional = false; |
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104 |
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105 // If TRUE, print verbose info in some cases. |
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106 // (--verbose; -V) |
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107 static bool verbose_flag = false; |
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108 |
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109 // Usage message |
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139
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110 static const char *usage_string = |
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111 "octave [-?HVdfhiqvx] [--debug] [--echo-commands] [--eval CODE]\n\ |
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112 [--exec-path path] [--help] [--info-file file] [--info-program prog]\n\ |
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113 [--interactive] [--no-history] [--no-init-file] [--no-line-editing]\n\ |
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114 [--no-site-file] [-p path] [--path path] [--silent] [--traditional]\n\ |
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115 [--verbose] [--version] [file]"; |
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116 |
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1358
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117 // This is here so that it's more likely that the usage message and |
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1410
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118 // the real set of options will agree. Note: the `+' must come first |
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119 // to prevent getopt from permuting arguments! |
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3180
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120 static const char *short_opts = "+?HVdfhip:qvx"; |
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139
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121 |
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5189
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122 // The code to evaluate at startup (--eval CODE) |
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123 static std::string code_to_eval; |
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124 |
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125 // If TRUE, don't exit after evaluating code given by --eval option. |
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126 static bool persist = false; |
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127 |
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128 // Long options. See the comments in getopt.h for the meanings of the |
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129 // fields in this structure. |
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5189
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130 #define EVAL_OPTION 1 |
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131 #define EXEC_PATH_OPTION 2 |
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132 #define INFO_FILE_OPTION 3 |
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133 #define INFO_PROG_OPTION 4 |
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134 #define NO_INIT_FILE_OPTION 5 |
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135 #define NO_LINE_EDITING_OPTION 6 |
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136 #define NO_SITE_FILE_OPTION 7 |
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5189
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137 #define PERSIST_OPTION 8 |
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138 #define TRADITIONAL_OPTION 9 |
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1817
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139 long_options long_opts[] = |
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139
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140 { |
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141 { "debug", prog_args::no_arg, 0, 'd' }, |
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2277
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142 { "braindead", prog_args::no_arg, 0, TRADITIONAL_OPTION }, |
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1855
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143 { "echo-commands", prog_args::no_arg, 0, 'x' }, |
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144 { "eval", prog_args::required_arg, 0, EVAL_OPTION }, |
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1855
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145 { "exec-path", prog_args::required_arg, 0, EXEC_PATH_OPTION }, |
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146 { "help", prog_args::no_arg, 0, 'h' }, |
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147 { "info-file", prog_args::required_arg, 0, INFO_FILE_OPTION }, |
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148 { "info-program", prog_args::required_arg, 0, INFO_PROG_OPTION }, |
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149 { "interactive", prog_args::no_arg, 0, 'i' }, |
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3180
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150 { "no-history", prog_args::no_arg, 0, 'H' }, |
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151 { "no-init-file", prog_args::no_arg, 0, NO_INIT_FILE_OPTION }, |
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152 { "no-line-editing", prog_args::no_arg, 0, NO_LINE_EDITING_OPTION }, |
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153 { "no-site-file", prog_args::no_arg, 0, NO_SITE_FILE_OPTION }, |
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154 { "norc", prog_args::no_arg, 0, 'f' }, |
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155 { "path", prog_args::required_arg, 0, 'p' }, |
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156 { "persist", prog_args::no_arg, 0, PERSIST_OPTION }, |
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157 { "quiet", prog_args::no_arg, 0, 'q' }, |
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158 { "silent", prog_args::no_arg, 0, 'q' }, |
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159 { "traditional", prog_args::no_arg, 0, TRADITIONAL_OPTION }, |
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160 { "verbose", prog_args::no_arg, 0, 'V' }, |
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161 { "version", prog_args::no_arg, 0, 'v' }, |
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3019
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162 { 0, 0, 0, 0 } |
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139
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163 }; |
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1
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164 |
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165 // Store the command-line options for later use. |
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166 |
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167 static void |
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168 intern_argv (int argc, char **argv) |
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169 { |
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170 symbol_record *nargin_sr = top_level_sym_tab->lookup ("__nargin__", true); |
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171 |
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172 nargin_sr->mark_as_static (); |
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173 |
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174 nargin_sr->define (argc-1); |
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175 |
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176 Cell args; |
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177 |
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178 if (argc > 1) |
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179 { |
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180 Array<octave_value> tmp (argc-1); |
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181 |
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182 // Skip program name in argv. |
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183 int i = argc; |
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184 while (--i > 0) |
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185 tmp(i-1) = octave_value (*(argv+i)); |
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186 |
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187 args = Cell (tmp, argc-1, 1); |
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188 } |
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189 |
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190 bind_builtin_constant ("argv", args, true, true); |
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191 } |
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192 |
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193 static void |
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194 initialize_pathsearch (void) |
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195 { |
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196 // This may seem odd, but doing it this way means that we don't have |
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197 // to modify the kpathsea library... |
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198 |
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199 std::string odb = octave_env::getenv ("OCTAVE_DB_PATH"); |
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200 |
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201 // For backward compatibility. |
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202 |
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203 if (odb.empty ()) |
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204 odb = octave_env::getenv ("OCTAVE_DB_DIR"); |
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205 |
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3141
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206 if (odb.empty ()) |
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207 odb = Vdata_dir + file_ops::dir_sep_str + "octave:" |
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208 + Vlibexec_dir + file_ops::dir_sep_str + "octave"; |
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209 } |
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210 |
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211 // Initialize by reading startup files. |
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212 |
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213 static void |
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214 execute_startup_files (void) |
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215 { |
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2985
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216 unwind_protect::begin_frame ("execute_startup_files"); |
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315
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217 |
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218 unwind_protect_bool (input_from_startup_file); |
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219 |
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220 input_from_startup_file = true; |
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315
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221 |
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222 int verbose = (verbose_flag && ! inhibit_startup_message); |
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223 |
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224 if (read_site_files) |
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225 { |
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226 // Execute commands from the site-wide configuration file. |
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227 // First from the file $(prefix)/lib/octave/site/m/octaverc |
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228 // (if it exists), then from the file |
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229 // $(prefix)/share/octave/$(version)/m/octaverc (if it exists). |
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230 |
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231 parse_and_execute (Vlocal_site_defaults_file, verbose); |
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232 |
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233 parse_and_execute (Vsite_defaults_file, verbose); |
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1
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234 } |
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235 |
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236 if (read_init_files) |
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237 { |
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2512
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238 // Try to execute commands from $HOME/$OCTAVE_INITFILE and |
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239 // $OCTAVE_INITFILE. If $OCTAVE_INITFILE is not set, .octaverc |
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240 // is assumed. |
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241 |
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4804
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242 bool home_rc_already_executed = false; |
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2512
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243 |
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3523
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244 std::string initfile = octave_env::getenv ("OCTAVE_INITFILE"); |
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2512
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245 |
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246 if (initfile.empty ()) |
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247 initfile = ".octaverc"; |
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248 |
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3523
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249 std::string home_dir = octave_env::get_home_directory (); |
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250 |
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4804
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251 std::string home_rc = octave_env::make_absolute (initfile, home_dir); |
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252 |
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253 std::string local_rc; |
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2239
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254 |
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2926
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255 if (! home_dir.empty ()) |
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2239
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256 { |
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2897
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257 parse_and_execute (home_rc, verbose); |
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258 |
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259 // Names alone are not enough. |
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260 |
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261 file_stat fs_home_rc (home_rc); |
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262 |
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263 if (fs_home_rc) |
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264 { |
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4804
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265 // We want to check for curr_dir after executing home_rc |
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266 // because doing that may change the working directory. |
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267 |
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268 std::string curr_dir = octave_env::getcwd (); |
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269 |
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270 local_rc = octave_env::make_absolute (initfile, curr_dir); |
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271 |
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2512
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272 file_stat fs_dot_rc (local_rc); |
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2239
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273 |
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274 if (fs_dot_rc && fs_home_rc.ino () == fs_dot_rc.ino ()) |
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4804
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275 home_rc_already_executed = true; |
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2239
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276 } |
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277 } |
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278 |
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279 if (! home_rc_already_executed) |
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4804
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280 { |
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281 if (local_rc.empty ()) |
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282 { |
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283 std::string curr_dir = octave_env::getcwd (); |
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284 |
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285 local_rc = octave_env::make_absolute (initfile, curr_dir); |
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286 } |
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287 |
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288 parse_and_execute (local_rc, verbose); |
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289 } |
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2239
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290 } |
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315
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291 |
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2985
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292 unwind_protect::run_frame ("execute_startup_files"); |
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1
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293 } |
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294 |
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5189
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295 static int |
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296 execute_eval_option_code (const std::string& code) |
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297 { |
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298 unwind_protect::begin_frame ("execute_eval_option_code"); |
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299 |
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300 unwind_protect_bool (interactive); |
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301 |
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302 interactive = false; |
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303 |
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304 int parse_status = 0; |
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305 |
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306 eval_string (code, false, parse_status, 0); |
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307 |
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308 unwind_protect::run_frame ("execute_eval_option_code"); |
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309 |
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310 return parse_status; |
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311 } |
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312 |
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313 static void |
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314 restore_program_name (void *) |
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315 { |
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316 bind_builtin_variable ("program_invocation_name", |
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317 octave_env::get_program_invocation_name ()); |
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318 |
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319 bind_builtin_variable ("program_name", octave_env::get_program_name ()); |
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320 } |
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321 |
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322 static void |
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323 execute_command_line_file (const std::string& fname) |
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324 { |
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325 unwind_protect::begin_frame ("execute_command_line_file"); |
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326 |
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327 unwind_protect_bool (interactive); |
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328 unwind_protect_bool (reading_script_file); |
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329 unwind_protect_bool (input_from_command_line_file); |
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330 |
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331 unwind_protect_str (curr_fcn_file_name); |
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332 unwind_protect_str (curr_fcn_file_full_name); |
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333 |
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334 unwind_protect::add (restore_program_name, 0); |
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335 |
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336 interactive = false; |
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337 reading_script_file = true; |
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338 input_from_command_line_file = true; |
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339 |
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340 curr_fcn_file_name = fname; |
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341 curr_fcn_file_full_name = curr_fcn_file_name; |
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342 |
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343 bind_builtin_variable ("program_invocation_name", curr_fcn_file_name); |
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344 |
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345 size_t pos = curr_fcn_file_name.find_last_of (file_ops::dir_sep_chars); |
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346 |
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347 std::string tmp = (pos != NPOS) |
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348 ? curr_fcn_file_name.substr (pos+1) : curr_fcn_file_name; |
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349 |
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350 bind_builtin_variable ("program_name", tmp); |
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351 |
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352 parse_and_execute (fname, false, "octave"); |
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353 |
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354 unwind_protect::run_frame ("execute_command_line_file"); |
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355 } |
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356 |
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581
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357 // Usage message with extra help. |
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358 |
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1
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359 static void |
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360 verbose_usage (void) |
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361 { |
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3922
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362 std::cout << OCTAVE_NAME_VERSION_COPYRIGHT_COPYING_AND_WARRANTY "\n\ |
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1613
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363 \n\ |
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364 Usage: octave [options]\n\ |
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365 \n\ |
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366 Options:\n\ |
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1119
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367 \n\ |
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3180
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368 --debug, -d Enter parser debugging mode.\n\ |
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369 --echo-commands, -x Echo commands as they are executed.\n\ |
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1613
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370 --exec-path PATH Set path for executing subprograms.\n\ |
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5189
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371 --eval CODE Evaluate CODE and exit when done unless --persist.\n\ |
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3180
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372 --help, -h, -? Print short help message and exit.\n\ |
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1613
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373 --info-file FILE Use top-level info file FILE.\n\ |
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374 --info-program PROGRAM Use PROGRAM for reading info files.\n\ |
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3180
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375 --interactive, -i Force interactive behavior.\n\ |
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376 --no-history, -H Don't save commands to the history list\n\ |
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2470
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377 --no-init-file Don't read the ~/.octaverc or .octaverc files.\n\ |
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2212
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378 --no-line-editing Don't use readline for command-line editing.\n\ |
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2470
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379 --no-site-file Don't read the site-wide octaverc file.\n\ |
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3238
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380 --norc, -f Don't read any initialization files.\n\ |
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3180
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381 --path PATH, -p PATH Set initial LOADPATH to PATH.\n\ |
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5189
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382 --persist Go interactive after --eval or reading from FILE.\n\ |
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3180
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383 --silent, -q Don't print message at startup.\n\ |
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1613
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384 --traditional Set compatibility variables.\n\ |
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3180
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385 --verbose, -V Enable verbose output in some cases.\n\ |
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386 --version, -v Print version number and exit.\n\ |
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1119
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387 \n\ |
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1613
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388 FILE Execute commands from FILE.\n\ |
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4829
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389 \n" |
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390 OCTAVE_WWW_STATEMENT "\n\ |
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4356
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391 \n" |
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392 OCTAVE_CONTRIB_STATEMENT "\n\ |
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393 \n" |
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394 OCTAVE_BUGS_STATEMENT "\n"; |
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285
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395 |
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613
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396 exit (0); |
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1
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397 } |
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398 |
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581
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399 // Terse usage messsage. |
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400 |
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1
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401 static void |
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402 usage (void) |
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403 { |
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3531
|
404 std::cerr << "usage: " << usage_string << "\n"; |
|
1
|
405 exit (1); |
|
|
406 } |
|
|
407 |
|
|
408 static void |
|
|
409 print_version_and_exit (void) |
|
|
410 { |
|
3922
|
411 std::cout << OCTAVE_NAME_VERSION_COPYRIGHT_COPYING_WARRANTY_AND_BUGS "\n"; |
|
1
|
412 exit (0); |
|
|
413 } |
|
|
414 |
|
721
|
415 static void |
|
|
416 initialize_error_handlers () |
|
|
417 { |
|
|
418 set_liboctave_error_handler (error); |
|
3325
|
419 set_liboctave_warning_handler (warning); |
|
721
|
420 } |
|
|
421 |
|
1410
|
422 // What happens on --traditional. |
|
|
423 |
|
|
424 static void |
|
|
425 maximum_braindamage (void) |
|
|
426 { |
|
5189
|
427 persist = true; |
|
|
428 |
|
1410
|
429 bind_builtin_variable ("PS1", ">> "); |
|
|
430 bind_builtin_variable ("PS2", ""); |
|
4324
|
431 bind_builtin_variable ("beep_on_error", true); |
|
|
432 bind_builtin_variable ("crash_dumps_octave_core", false); |
|
1410
|
433 bind_builtin_variable ("default_save_format", "mat-binary"); |
|
4324
|
434 bind_builtin_variable ("fixed_point_format", true); |
|
|
435 bind_builtin_variable ("page_screen_output", false); |
|
|
436 bind_builtin_variable ("print_empty_dimensions", false); |
|
|
437 bind_builtin_variable ("warn_function_name_clash", false); |
|
4476
|
438 bind_builtin_variable ("warn_matlab_incompatible", true); |
|
1410
|
439 } |
|
|
440 |
|
581
|
441 // You guessed it. |
|
|
442 |
|
1
|
443 int |
|
4368
|
444 octave_main (int argc, char **argv, int embedded) |
|
1
|
445 { |
|
3019
|
446 octave_env::set_program_name (argv[0]); |
|
|
447 |
|
2205
|
448 // The order of these calls is important. The call to |
|
2926
|
449 // install_defaults must come before install_builtins because |
|
3019
|
450 // default variable values must be available for the variables to be |
|
2205
|
451 // installed, and the call to install_builtins must come before the |
|
|
452 // options are processed because some command line options override |
|
|
453 // defaults by calling bind_builtin_variable. |
|
721
|
454 |
|
1
|
455 sysdep_init (); |
|
|
456 |
|
4159
|
457 // The idea here is to force xerbla to be referenced so that we will |
|
|
458 // link to our own version instead of the one provided by the BLAS |
|
|
459 // library. But octave_NaN should never be -1, so we should never |
|
|
460 // actually call xerbla. |
|
|
461 |
|
|
462 if (octave_NaN == -1) |
|
|
463 F77_FUNC (xerbla, XERBLA) ("octave", 13, 6L); |
|
|
464 |
|
721
|
465 initialize_error_handlers (); |
|
223
|
466 |
|
2926
|
467 install_defaults (); |
|
1
|
468 |
|
1792
|
469 initialize_pathsearch (); |
|
1744
|
470 |
|
4368
|
471 if (! embedded) |
|
|
472 install_signal_handlers (); |
|
2205
|
473 |
|
|
474 initialize_file_io (); |
|
|
475 |
|
2375
|
476 initialize_symbol_tables (); |
|
|
477 |
|
|
478 install_types (); |
|
|
479 |
|
|
480 install_ops (); |
|
2205
|
481 |
|
|
482 install_builtins (); |
|
|
483 |
|
1817
|
484 prog_args args (argc, argv, short_opts, long_opts); |
|
|
485 |
|
139
|
486 int optc; |
|
1817
|
487 while ((optc = args.getopt ()) != EOF) |
|
1
|
488 { |
|
139
|
489 switch (optc) |
|
1
|
490 { |
|
3180
|
491 case 'H': |
|
4324
|
492 bind_builtin_variable ("saving_history", false); |
|
3180
|
493 break; |
|
|
494 |
|
793
|
495 case 'V': |
|
2239
|
496 verbose_flag = true; |
|
793
|
497 break; |
|
|
498 |
|
1
|
499 case 'd': |
|
4753
|
500 // This is the same as yydebug in parse.y. |
|
|
501 octave_debug++; |
|
1
|
502 break; |
|
777
|
503 |
|
1
|
504 case 'f': |
|
2239
|
505 read_init_files = false; |
|
|
506 read_site_files = false; |
|
1
|
507 break; |
|
777
|
508 |
|
1
|
509 case 'h': |
|
|
510 case '?': |
|
|
511 verbose_usage (); |
|
|
512 break; |
|
777
|
513 |
|
1
|
514 case 'i': |
|
3019
|
515 forced_interactive = true; |
|
1
|
516 break; |
|
777
|
517 |
|
1
|
518 case 'p': |
|
1817
|
519 if (args.optarg ()) |
|
2205
|
520 bind_builtin_variable ("LOADPATH", args.optarg ()); |
|
1
|
521 break; |
|
777
|
522 |
|
1
|
523 case 'q': |
|
2239
|
524 inhibit_startup_message = true; |
|
1
|
525 break; |
|
777
|
526 |
|
1
|
527 case 'x': |
|
2205
|
528 { |
|
|
529 double tmp = (ECHO_SCRIPTS | ECHO_FUNCTIONS | ECHO_CMD_LINE); |
|
|
530 bind_builtin_variable ("echo_executing_commands", tmp); |
|
|
531 } |
|
1
|
532 break; |
|
777
|
533 |
|
1
|
534 case 'v': |
|
|
535 print_version_and_exit (); |
|
|
536 break; |
|
777
|
537 |
|
5189
|
538 case EVAL_OPTION: |
|
|
539 if (args.optarg ()) |
|
|
540 code_to_eval = args.optarg (); |
|
|
541 break; |
|
|
542 |
|
1613
|
543 case EXEC_PATH_OPTION: |
|
1817
|
544 if (args.optarg ()) |
|
2205
|
545 bind_builtin_variable ("EXEC_PATH", args.optarg ()); |
|
1613
|
546 break; |
|
|
547 |
|
186
|
548 case INFO_FILE_OPTION: |
|
1817
|
549 if (args.optarg ()) |
|
2205
|
550 bind_builtin_variable ("INFO_FILE", args.optarg ()); |
|
186
|
551 break; |
|
777
|
552 |
|
1613
|
553 case INFO_PROG_OPTION: |
|
1817
|
554 if (args.optarg ()) |
|
2205
|
555 bind_builtin_variable ("INFO_PROGRAM", args.optarg ()); |
|
1613
|
556 break; |
|
|
557 |
|
2239
|
558 case NO_INIT_FILE_OPTION: |
|
|
559 read_init_files = false; |
|
|
560 break; |
|
|
561 |
|
1821
|
562 case NO_LINE_EDITING_OPTION: |
|
3019
|
563 line_editing = false; |
|
2239
|
564 break; |
|
|
565 |
|
|
566 case NO_SITE_FILE_OPTION: |
|
|
567 read_site_files = 0; |
|
1821
|
568 break; |
|
|
569 |
|
1410
|
570 case TRADITIONAL_OPTION: |
|
2239
|
571 traditional = true; |
|
1410
|
572 break; |
|
|
573 |
|
5189
|
574 case PERSIST_OPTION: |
|
|
575 persist = true; |
|
|
576 break; |
|
|
577 |
|
1
|
578 default: |
|
|
579 usage (); |
|
|
580 break; |
|
|
581 } |
|
|
582 } |
|
|
583 |
|
1651
|
584 #if defined (HAVE_ATEXIT) || defined (HAVE_ON_EXIT) |
|
2077
|
585 // Make sure we clean up when we exit. Also allow users to register |
|
|
586 // functions. If we don't have atexit or on_exit, we're going to |
|
|
587 // leave some junk files around if we exit abnormally. |
|
|
588 |
|
|
589 atexit (do_octave_atexit); |
|
318
|
590 #endif |
|
1
|
591 |
|
1358
|
592 // These can come after command line args since none of them set any |
|
|
593 // defaults that might be changed by command line options. |
|
581
|
594 |
|
2926
|
595 initialize_command_input (); |
|
315
|
596 |
|
578
|
597 if (! inhibit_startup_message) |
|
3538
|
598 std::cout << OCTAVE_STARTUP_MESSAGE "\n" << std::endl; |
|
578
|
599 |
|
1410
|
600 if (traditional) |
|
|
601 maximum_braindamage (); |
|
|
602 |
|
4217
|
603 octave_interpreter_ready = true; |
|
|
604 |
|
|
605 execute_default_pkg_add_files (); |
|
|
606 |
|
2239
|
607 execute_startup_files (); |
|
1651
|
608 |
|
2926
|
609 command_history::read (false); |
|
1
|
610 |
|
578
|
611 if (! inhibit_startup_message && reading_startup_message_printed) |
|
3538
|
612 std::cout << std::endl; |
|
578
|
613 |
|
5189
|
614 // Is input coming from a terminal? If so, we are probably |
|
|
615 // interactive. |
|
1358
|
616 |
|
5189
|
617 interactive = (! embedded |
|
|
618 && isatty (fileno (stdin)) && isatty (fileno (stdout))); |
|
|
619 |
|
|
620 if (! interactive) |
|
|
621 line_editing = false; |
|
1
|
622 |
|
1358
|
623 // If there is an extra argument, see if it names a file to read. |
|
|
624 // Additional arguments are taken as command line options for the |
|
|
625 // script. |
|
1
|
626 |
|
1817
|
627 int last_arg_idx = args.optind (); |
|
3019
|
628 |
|
1817
|
629 int remaining_args = argc - last_arg_idx; |
|
3019
|
630 |
|
5189
|
631 if (! code_to_eval.empty ()) |
|
149
|
632 { |
|
5189
|
633 // We probably want all the args for an --eval option. |
|
1355
|
634 |
|
|
635 intern_argv (argc, argv); |
|
|
636 |
|
5189
|
637 int parse_status = execute_eval_option_code (code_to_eval); |
|
|
638 |
|
|
639 if (! (persist && remaining_args > 0)) |
|
|
640 return (parse_status || error_state ? 1 : 0); |
|
1
|
641 } |
|
|
642 |
|
5189
|
643 if (remaining_args > 0) |
|
|
644 { |
|
|
645 // If we are running an executable script (#! /bin/octave) then |
|
|
646 // we should only see the args passed to the script. |
|
|
647 |
|
|
648 intern_argv (remaining_args, argv+last_arg_idx); |
|
|
649 |
|
|
650 execute_command_line_file (argv[last_arg_idx]); |
|
|
651 |
|
|
652 if (! persist) |
|
|
653 return (error_state ? 1 : 0); |
|
|
654 } |
|
|
655 |
|
|
656 // Avoid counting commands executed from startup files. |
|
|
657 |
|
|
658 command_editor::reset_current_command_number (1); |
|
|
659 |
|
|
660 // Now argv should have the full set of args. |
|
|
661 intern_argv (argc, argv); |
|
|
662 |
|
|
663 if (! embedded) |
|
|
664 switch_to_buffer (create_buffer (get_input_from_stdin ())); |
|
|
665 |
|
1358
|
666 // Force input to be echoed if not really interactive, but the user |
|
|
667 // has forced interactive behavior. |
|
1
|
668 |
|
1907
|
669 if (! interactive && forced_interactive) |
|
287
|
670 { |
|
2926
|
671 command_editor::blink_matching_paren (false); |
|
1588
|
672 |
|
|
673 // XXX FIXME XXX -- is this the right thing to do? |
|
|
674 |
|
4233
|
675 bind_builtin_variable ("echo_executing_commands", ECHO_CMD_LINE); |
|
287
|
676 } |
|
1
|
677 |
|
4368
|
678 if (embedded) |
|
|
679 return 1; |
|
|
680 |
|
5189
|
681 int retval = main_loop (); |
|
1
|
682 |
|
1005
|
683 if (retval == 1 && ! error_state) |
|
|
684 retval = 0; |
|
|
685 |
|
1
|
686 clean_up_and_exit (retval); |
|
4247
|
687 |
|
|
688 return 0; |
|
1
|
689 } |
|
|
690 |
|
560
|
691 /* |
|
1
|
692 ;;; Local Variables: *** |
|
|
693 ;;; mode: C++ *** |
|
|
694 ;;; End: *** |
|
|
695 */ |
