Mercurial > octave
annotate libinterp/octave.h @ 31197:8d4c87e88d0e
maint: Merge stable to default.
author | Markus Mützel <markus.muetzel@gmx.de> |
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date | Tue, 23 Aug 2022 19:45:19 +0200 |
parents | 83f9f8bda883 |
children | e88a07dec498 |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 2002-2022 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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26 #if ! defined (octave_octave_h) |
4113 | 27 #define octave_octave_h 1 |
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 OCTAVE_NAMESPACE_BEGIN |
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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 echo_commands (void) const { return m_echo_commands; } |
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59 |
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60 bool experimental_terminal_widget (void) const |
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61 { 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 |
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66 { return m_inhibit_startup_message; } |
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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 |
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80 { return m_command_line_path; } |
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81 std::string docstrings_file (void) const { return m_docstrings_file; } |
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82 std::string doc_cache_file (void) const { return m_doc_cache_file; } |
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83 std::string exec_path (void) const { return m_exec_path; } |
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84 std::string image_path (void) const { return m_image_path; } |
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85 std::string info_file (void) const { return m_info_file; } |
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86 std::string info_program (void) const { return m_info_program; } |
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87 std::string texi_macros_file (void) const {return m_texi_macros_file; } |
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88 string_vector all_args (void) const { return m_all_args; } |
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89 string_vector remaining_args (void) const { return m_remaining_args; } |
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90 |
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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) |
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94 { m_experimental_terminal_widget = arg; } |
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95 void forced_line_editing (bool arg) { m_forced_line_editing = arg; } |
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96 void forced_interactive (bool arg) { m_forced_interactive = arg; } |
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97 void gui (bool arg) { m_gui = arg; } |
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98 void inhibit_startup_message (bool arg) { m_inhibit_startup_message = 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) |
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112 { m_command_line_path = arg; } |
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113 void docstrings_file (const std::string& arg) { m_docstrings_file = arg; } |
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114 void doc_cache_file (const std::string& arg) { m_doc_cache_file = arg; } |
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115 void exec_path (const std::string& arg) { m_exec_path = arg; } |
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116 void image_path (const std::string& arg) { m_image_path = arg; } |
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117 void info_file (const std::string& arg) { m_info_file = arg; } |
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118 void info_program (const std::string& arg) { m_info_program = arg; } |
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119 void texi_macros_file (const std::string& arg) { m_texi_macros_file = arg; } |
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120 void all_args (const string_vector& arg) { m_all_args = arg; } |
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121 void remaining_args (const string_vector& arg) { m_remaining_args = arg; } |
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122 |
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123 octave_value as_octave_value (void) const; |
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124 |
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125 private: |
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126 |
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127 // If TRUE, echo commands as they are read and executed. |
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128 // (--echo-commands, -x) |
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129 bool m_echo_commands = false; |
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130 |
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131 // If TRUE, use new experimental terminal widget in the GUI. |
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132 // (--experimental-terminal-widget) |
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133 bool m_experimental_terminal_widget = false; |
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134 |
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135 // If TRUE, start the GUI. |
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136 // (--gui) and (--force-gui) for backwards compatibility |
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137 bool m_gui = false; |
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138 |
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139 // TRUE means the user forced this shell to be interactive. |
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140 // (--interactive, -i) |
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141 bool m_forced_interactive = false; |
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142 |
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143 // If TRUE, force readline command line editing. |
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144 // (--line-editing) |
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145 bool m_forced_line_editing = false; |
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146 |
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147 // TRUE means we don't print the usual startup message. |
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148 // (--quiet; --silent; -q) |
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149 bool m_inhibit_startup_message = false; |
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150 |
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151 // TRUE means we are using readline. |
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152 // (--no-line-editing) |
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153 bool m_line_editing = true; |
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154 |
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155 // If TRUE, ignore the window system even if it is available. |
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156 // (--no-window-system, -W) |
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157 bool m_no_window_system = false; |
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158 |
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159 // If TRUE, don't exit after evaluating code given by --eval option. |
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160 // (--persist) |
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161 bool m_persist = false; |
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162 |
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163 // If TRUE, initialize history list from saved history file. |
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164 // (--no-history; -H) |
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165 bool m_read_history_file = true; |
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166 |
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167 // TRUE means we read ~/.octaverc and ./.octaverc. |
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168 // (--norc; --no-init-file; -f) |
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169 bool m_read_init_files = true; |
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170 |
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171 // TRUE means we read the site-wide octaverc files. |
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172 // (--norc; --no-site-file; -f) |
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173 bool m_read_site_files = true; |
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174 |
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175 // If TRUE, start the command server. |
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176 // (--server) |
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177 bool m_server = false; |
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178 |
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179 // TRUE means we set the initial path to configured defaults. |
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180 // (--no-init-path) |
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181 bool m_set_initial_path = true; |
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182 |
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183 // If TRUE use traditional (maximally MATLAB compatible) settings |
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184 // (--traditional) |
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185 bool m_traditional = false; |
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186 |
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187 // If TRUE, print verbose info in some cases. |
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188 // (--verbose; -V) |
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189 bool m_verbose_flag = false; |
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190 |
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191 // The code to evaluate at startup |
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192 // (--eval CODE) |
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193 std::string m_code_to_eval; |
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194 |
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195 // The value of "path" specified on the command line. |
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196 // (--path; -p) |
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197 std::list<std::string> m_command_line_path; |
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198 |
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199 // The value for "built_in_docstrings_file" specified on the |
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200 // command line. |
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201 // (--built-in-docstrings-file) |
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202 std::string m_docstrings_file; |
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203 |
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204 // The value for "doc_cache_file" specified on the command line. |
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205 // (--doc-cache-file) |
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206 std::string m_doc_cache_file; |
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207 |
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208 // The value for "EXEC_PATH" specified on the command line. |
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209 // (--exec-path) |
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210 std::string m_exec_path; |
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211 |
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212 // The value for "IMAGE_PATH" specified on the command line. |
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213 // (--image-path) |
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214 std::string m_image_path; |
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215 |
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216 // The value for "info_file" specified on the command line. |
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217 // (--info-file) |
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218 std::string m_info_file; |
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219 |
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220 // The value for "info_program" specified on the command line. |
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221 // (--info-program) |
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222 std::string m_info_program; |
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223 |
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224 // The value for "texi_macos_file" specified on the command line. |
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225 // (--texi-macros-file) |
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226 std::string m_texi_macros_file; |
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227 |
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228 // All arguments passed to the argc, argv constructor. |
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229 string_vector m_all_args; |
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230 |
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231 // Arguments remaining after parsing. |
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232 string_vector m_remaining_args; |
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233 }; |
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234 |
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235 // The application object contains a pointer to the current |
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236 // interpreter and the interpreter contains a pointer back to the |
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237 // application context so we need a forward declaration for one (or |
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238 // both) of them... |
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239 |
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240 class interpreter; |
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241 |
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242 // Base class for an Octave application. |
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243 |
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244 class OCTINTERP_API application |
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245 { |
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246 public: |
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247 |
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248 application (const cmdline_options& opts = cmdline_options ()); |
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249 |
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250 application (int argc, char **argv); |
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251 |
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252 // No copying, at least not yet... |
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253 |
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254 application (const application&) = delete; |
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255 |
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256 application& operator = (const application&) = delete; |
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257 |
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258 virtual ~application (void); |
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259 |
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260 int sys_argc (void) const { return m_options.sys_argc (); } |
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261 char **sys_argv (void) const { return m_options.sys_argv (); } |
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262 |
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263 void set_program_names (const std::string& pname); |
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264 |
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265 void intern_argv (const string_vector& args); |
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266 |
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267 cmdline_options options (void) const { return m_options; } |
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268 |
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269 bool have_eval_option_code (void) const { return m_have_eval_option_code; } |
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270 |
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271 bool have_script_file (void) const { return m_have_script_file; } |
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272 |
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273 bool is_octave_program (void) const { return m_is_octave_program; } |
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274 |
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275 bool interpreter_initialized (void); |
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276 |
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277 virtual interpreter& create_interpreter (void); |
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278 |
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279 virtual void initialize_interpreter (void); |
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280 |
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281 virtual int execute_interpreter (void); |
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282 |
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283 virtual void delete_interpreter (void); |
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284 |
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285 virtual int execute (void) = 0; |
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286 |
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287 virtual bool gui_running (void) const { return false; } |
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288 virtual void gui_running (bool) { } |
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289 |
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290 void program_invocation_name (const std::string& nm) |
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291 { m_program_invocation_name = nm; } |
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292 |
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293 void program_name (const std::string& nm) { m_program_name = nm; } |
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294 |
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295 void forced_interactive (bool arg) { m_options.forced_interactive (arg); } |
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296 |
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297 // Provided for convenience. Will be removed once we eliminate the |
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298 // old terminal widget. |
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299 bool experimental_terminal_widget (void) const; |
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300 |
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301 static application * app (void) { return s_instance; } |
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302 |
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303 static std::string program_invocation_name (void) |
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304 { |
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305 return s_instance ? s_instance->m_program_invocation_name : ""; |
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306 } |
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307 |
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308 static std::string program_name (void) |
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309 { |
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310 return s_instance ? s_instance->m_program_name : ""; |
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311 } |
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312 |
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313 static string_vector argv (void) |
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314 { |
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315 return s_instance ? s_instance->m_argv : string_vector (); |
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316 } |
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317 |
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318 static bool is_gui_running (void) |
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319 { |
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320 return s_instance ? s_instance->gui_running () : false; |
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321 } |
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322 |
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323 // Convenience functions. |
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324 |
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325 static bool forced_interactive (void); |
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326 |
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327 private: |
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328 |
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329 // The application instance; There should be only one. |
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330 static application *s_instance; |
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331 |
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332 void init (void); |
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333 |
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334 protected: |
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335 |
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336 // The name used to invoke Octave. |
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337 std::string m_program_invocation_name; |
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338 |
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339 // The last component of octave_program_invocation_name. |
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340 std::string m_program_name; |
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341 |
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342 // The current argument vector (may change if we are running a |
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343 // script with --persist because after the script is done, the |
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344 // arguments revert to the full list given to the octave |
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345 // interpreter at startup. |
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346 string_vector m_argv; |
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347 |
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348 cmdline_options m_options; |
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349 |
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350 // TRUE means we have --eval CODE |
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351 bool m_have_eval_option_code = false; |
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352 |
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353 // TRUE if there is a command line argument that looks like the |
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354 // name of a file to execute. |
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355 bool m_have_script_file = false; |
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356 |
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357 // TRUE if this is a program and no interpreter and interaction is |
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358 // needed. For example, an octave program with shebang line, or code |
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359 // from eval without persist. |
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360 bool m_is_octave_program = false; |
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361 |
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362 std::unique_ptr<interpreter> m_interpreter; |
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363 }; |
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364 |
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365 class OCTINTERP_API cli_application : public application |
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366 { |
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367 public: |
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368 |
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369 cli_application (const cmdline_options& opts = cmdline_options ()) |
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370 : application (opts) |
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371 { } |
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372 |
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373 cli_application (int argc, char **argv) |
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374 : application (argc, argv) |
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375 { } |
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376 |
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377 // No copying, at least not yet... |
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378 |
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379 cli_application (const cli_application&) = delete; |
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380 |
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381 cli_application& operator = (const cli_application&) = delete; |
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382 |
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383 ~cli_application (void) = default; |
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384 |
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385 int execute (void); |
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386 }; |
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387 |
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388 OCTAVE_NAMESPACE_END |
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389 |
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390 #endif |