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maint: merge stable to default.
author Markus Mützel <markus.muetzel@gmx.de>
date Wed, 21 Jul 2021 14:45:32 +0200
parents bc19d9360bac dffd1c943f1a
children f254c302bb9c
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2002-2021 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 #if ! defined (octave_octave_h)
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27 #define octave_octave_h 1
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28
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29 #include "octave-config.h"
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30
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31 #include <list>
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32 #include <memory>
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33 #include <string>
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34
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35 #include "str-vec.h"
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36
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37 class octave_value;
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38
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39 namespace octave
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40 {
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41 // Command line arguments. See also options.h.
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42
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43 class OCTINTERP_API cmdline_options
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44 {
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45 public:
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46
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47 cmdline_options (void);
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48
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49 cmdline_options (int argc, char **argv);
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50
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51 cmdline_options (const cmdline_options&) = default;
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52
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53 cmdline_options& operator = (const cmdline_options&) = default;
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54
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55 int sys_argc (void) const { return m_all_args.numel (); }
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56 char **sys_argv (void) const { return m_all_args.c_str_vec (); }
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57
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58 bool debug_jit (void) const { return m_debug_jit; }
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59 bool echo_commands (void) const { return m_echo_commands; }
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60
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61 bool experimental_terminal_widget (void) const { return m_experimental_terminal_widget; }
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62 bool forced_interactive (void) const { return m_forced_interactive; }
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63 bool forced_line_editing (void) const { return m_forced_line_editing; }
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64 bool gui (void) const { return m_gui; }
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65 bool inhibit_startup_message (void) const { return m_inhibit_startup_message; }
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66 bool jit_compiler (void) const { return m_jit_compiler; }
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67 bool line_editing (void) const { return m_line_editing; }
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68
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69 bool no_window_system (void) const { return m_no_window_system; }
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70 bool persist (void) const { return m_persist; }
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71 bool read_history_file (void) const { return m_read_history_file; }
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72 bool read_init_files (void) const { return m_read_init_files; }
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73 bool read_site_files (void) const { return m_read_site_files; }
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74 bool server (void) const { return m_server; }
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75 bool set_initial_path (void) const { return m_set_initial_path; }
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76 bool traditional (void) const { return m_traditional; }
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77 bool verbose_flag (void) const { return m_verbose_flag; }
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78 std::string code_to_eval (void) const { return m_code_to_eval; }
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79 std::list<std::string> command_line_path (void) const { return m_command_line_path; }
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80 std::string docstrings_file (void) const { return m_docstrings_file; }
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81 std::string doc_cache_file (void) const { return m_doc_cache_file; }
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82 std::string exec_path (void) const { return m_exec_path; }
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83 std::string image_path (void) const { return m_image_path; }
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84 std::string info_file (void) const { return m_info_file; }
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85 std::string info_program (void) const { return m_info_program; }
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86 std::string texi_macros_file (void) const {return m_texi_macros_file; }
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87 string_vector all_args (void) const { return m_all_args; }
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88 string_vector remaining_args (void) const { return m_remaining_args; }
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89
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90 void debug_jit (bool arg) { m_debug_jit = arg; }
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91 void echo_commands (bool arg) { m_echo_commands = arg; }
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92
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93 void experimental_terminal_widget (bool arg) { m_experimental_terminal_widget = arg; }
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94 void forced_line_editing (bool arg) { m_forced_line_editing = arg; }
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95 void forced_interactive (bool arg) { m_forced_interactive = arg; }
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96 void gui (bool arg) { m_gui = arg; }
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97 void inhibit_startup_message (bool arg) { m_inhibit_startup_message = arg; }
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98 void jit_compiler (bool arg) { m_jit_compiler = arg; }
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99 void line_editing (bool arg) { m_line_editing = arg; }
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100
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101 void no_window_system (bool arg) { m_no_window_system = arg; }
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102 void persist (bool arg) { m_persist = arg; }
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103 void read_history_file (bool arg) { m_read_history_file = arg; }
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104 void read_init_files (bool arg) { m_read_init_files = arg; }
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105 void read_site_files (bool arg) { m_read_site_files = arg; }
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106 void server (bool arg) { m_server = arg; }
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107 void set_initial_path (bool arg) { m_set_initial_path = arg; }
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108 void traditional (bool arg) { m_traditional = arg; }
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109 void verbose_flag (bool arg) { m_verbose_flag = arg; }
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110 void code_to_eval (const std::string& arg) { m_code_to_eval = arg; }
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111 void command_line_path (const std::list<std::string>& arg) { m_command_line_path = arg; }
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112 void docstrings_file (const std::string& arg) { m_docstrings_file = arg; }
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113 void doc_cache_file (const std::string& arg) { m_doc_cache_file = arg; }
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114 void exec_path (const std::string& arg) { m_exec_path = arg; }
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115 void image_path (const std::string& arg) { m_image_path = arg; }
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116 void info_file (const std::string& arg) { m_info_file = arg; }
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117 void info_program (const std::string& arg) { m_info_program = arg; }
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118 void texi_macros_file (const std::string& arg) { m_texi_macros_file = arg; }
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119 void all_args (const string_vector& arg) { m_all_args = arg; }
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120 void remaining_args (const string_vector& arg) { m_remaining_args = arg; }
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121
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122 octave_value as_octave_value (void) const;
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123
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124 private:
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125
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126 // TRUE means enable debug tracing for the JIT compiler.
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127 // (--debug-jit)
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128 bool m_debug_jit = false;
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129
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130 // If TRUE, echo commands as they are read and executed.
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131 // (--echo-commands, -x)
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132 bool m_echo_commands = false;
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133
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134 // If TRUE, use new experimental terminal widget in the GUI.
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135 // (--experimental-terminal-widget)
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136 bool m_experimental_terminal_widget = false;
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137
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138 // If TRUE, start the GUI.
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139 // (--gui) and (--force-gui) for backwards compatibility
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140 bool m_gui = false;
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141
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142 // TRUE means the user forced this shell to be interactive.
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143 // (--interactive, -i)
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144 bool m_forced_interactive = false;
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145
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146 // If TRUE, force readline command line editing.
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147 // (--line-editing)
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148 bool m_forced_line_editing = false;
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149
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150 // TRUE means we don't print the usual startup message.
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151 // (--quiet; --silent; -q)
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152 bool m_inhibit_startup_message = false;
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153
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154 // TRUE means enable the JIT compiler.
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155 // (--jit-compiler)
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156 bool m_jit_compiler = false;
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157
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158 // TRUE means we are using readline.
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159 // (--no-line-editing)
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160 bool m_line_editing = true;
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161
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162 // If TRUE, ignore the window system even if it is available.
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163 // (--no-window-system, -W)
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164 bool m_no_window_system = false;
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165
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166 // If TRUE, don't exit after evaluating code given by --eval option.
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167 // (--persist)
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168 bool m_persist = false;
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169
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170 // If TRUE, initialize history list from saved history file.
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171 // (--no-history; -H)
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172 bool m_read_history_file = true;
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173
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174 // TRUE means we read ~/.octaverc and ./.octaverc.
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175 // (--norc; --no-init-file; -f)
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176 bool m_read_init_files = true;
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177
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178 // TRUE means we read the site-wide octaverc files.
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179 // (--norc; --no-site-file; -f)
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180 bool m_read_site_files = true;
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181
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182 // If TRUE, start the command server.
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183 // (--server)
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184 bool m_server = false;
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185
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186 // TRUE means we set the initial path to configured defaults.
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187 // (--no-init-path)
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188 bool m_set_initial_path = true;
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189
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190 // If TRUE use traditional (maximally MATLAB compatible) settings
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191 // (--traditional)
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192 bool m_traditional = false;
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193
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194 // If TRUE, print verbose info in some cases.
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195 // (--verbose; -V)
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196 bool m_verbose_flag = false;
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197
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198 // The code to evaluate at startup
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199 // (--eval CODE)
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200 std::string m_code_to_eval;
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201
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202 // The value of "path" specified on the command line.
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203 // (--path; -p)
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204 std::list<std::string> m_command_line_path;
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205
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206 // The value for "built_in_docstrings_file" specified on the
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207 // command line.
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208 // (--built-in-docstrings-file)
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209 std::string m_docstrings_file;
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210
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211 // The value for "doc_cache_file" specified on the command line.
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212 // (--doc-cache-file)
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213 std::string m_doc_cache_file;
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214
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215 // The value for "EXEC_PATH" specified on the command line.
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216 // (--exec-path)
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217 std::string m_exec_path;
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218
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219 // The value for "IMAGE_PATH" specified on the command line.
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220 // (--image-path)
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221 std::string m_image_path;
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222
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223 // The value for "info_file" specified on the command line.
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224 // (--info-file)
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225 std::string m_info_file;
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226
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227 // The value for "info_program" specified on the command line.
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228 // (--info-program)
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229 std::string m_info_program;
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230
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231 // The value for "texi_macos_file" specified on the command line.
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232 // (--texi-macros-file)
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233 std::string m_texi_macros_file;
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234
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235 // All arguments passed to the argc, argv constructor.
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236 string_vector m_all_args;
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237
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238 // Arguments remaining after parsing.
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239 string_vector m_remaining_args;
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240 };
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241
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242 // The application object contains a pointer to the current
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243 // interpreter and the interpreter contains a pointer back to the
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244 // application context so we need a forward declaration for one (or
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245 // both) of them...
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246
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247 class interpreter;
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248
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249 // Base class for an Octave application.
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250
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251 class OCTINTERP_API application
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252 {
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253 public:
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254
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255 application (const cmdline_options& opts = cmdline_options ());
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256
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257 application (int argc, char **argv);
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258
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259 // No copying, at least not yet...
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260
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261 application (const application&) = delete;
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262
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263 application& operator = (const application&) = delete;
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264
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265 virtual ~application (void);
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266
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267 int sys_argc (void) const { return m_options.sys_argc (); }
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268 char **sys_argv (void) const { return m_options.sys_argv (); }
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269
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270 void set_program_names (const std::string& pname);
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271
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272 void intern_argv (const string_vector& args);
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273
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274 cmdline_options options (void) const { return m_options; }
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275
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276 bool have_eval_option_code (void) const { return m_have_eval_option_code; }
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277
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278 bool have_script_file (void) const { return m_have_script_file; }
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279
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280 bool is_octave_program (void) const { return m_is_octave_program; }
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281
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282 bool interpreter_initialized (void);
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283
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284 virtual interpreter& create_interpreter (void);
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285
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286 virtual void initialize_interpreter (void);
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287
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288 virtual int execute_interpreter (void);
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289
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290 virtual void delete_interpreter (void);
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291
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292 virtual int execute (void) = 0;
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293
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294 virtual bool gui_running (void) const { return false; }
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295 virtual void gui_running (bool) { }
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296
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297 void program_invocation_name (const std::string& nm) { m_program_invocation_name = nm; }
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298
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299 void program_name (const std::string& nm) { m_program_name = nm; }
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300
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301 void forced_interactive (bool arg) { m_options.forced_interactive (arg); }
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302
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303 // Provided for convenience. Will be removed once we eliminate the
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304 // old terminal widget.
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305 bool experimental_terminal_widget (void) const;
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306
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307 static application * app (void) { return instance; }
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308
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309 static std::string program_invocation_name (void)
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310 {
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311 return instance ? instance->m_program_invocation_name : "";
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312 }
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313
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314 static std::string program_name (void)
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315 {
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316 return instance ? instance->m_program_name : "";
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317 }
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318
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319 static string_vector argv (void)
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320 {
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321 return instance ? instance->m_argv : string_vector ();
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322 }
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323
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324 static bool is_gui_running (void)
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325 {
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326 return instance ? instance->gui_running () : false;
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327 }
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328
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329 // Convenience functions.
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330
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331 static bool forced_interactive (void);
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332
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333 private:
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334
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335 // The application instance; There should be only one.
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336 static application *instance;
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337
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338 void init (void);
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339
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340 protected:
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341
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342 // The name used to invoke Octave.
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343 std::string m_program_invocation_name;
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344
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345 // The last component of octave_program_invocation_name.
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346 std::string m_program_name;
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347
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348 // The current argument vector (may change if we are running a
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349 // script with --persist because after the script is done, the
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350 // arguments revert to the full list given to the octave
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351 // interpreter at startup.
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352 string_vector m_argv;
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353
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354 cmdline_options m_options;
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355
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356 // TRUE means we have --eval CODE
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357 bool m_have_eval_option_code = false;
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358
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359 // TRUE if there is a command line argument that looks like the
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360 // name of a file to execute.
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361 bool m_have_script_file = false;
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362
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363 // TRUE if this is a program and no interpreter and interaction is
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364 // needed. For example, an octave program with shebang line, or code
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365 // from eval without persist.
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366 bool m_is_octave_program = false;
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367
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368 std::unique_ptr<interpreter> m_interpreter;
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369 };
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370
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371 class OCTINTERP_API cli_application : public application
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372 {
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373 public:
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374
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375 cli_application (const cmdline_options& opts = cmdline_options ())
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376 : application (opts)
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377 { }
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378
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379 cli_application (int argc, char **argv)
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380 : application (argc, argv)
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381 { }
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382
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383 // No copying, at least not yet...
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384
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385 cli_application (const cli_application&) = delete;
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386
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387 cli_application& operator = (const cli_application&) = delete;
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388
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389 ~cli_application (void) = default;
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390
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391 int execute (void);
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392 };
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393 }
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394
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395 #endif