Mercurial > octave
annotate libinterp/corefcn/interpreter.h @ 27594:e091e09d26f0
restore some symbol table functions for backward compatibility
These functions were removed from the public interface before being
deprecated.
* interpreter.h, interpreter.cc (interpreter::top_level_variable_names):
New function.
* pt-eval.h, pt-eval.cc (tree_evaluator::top_level_variable_names):
New function.
* call-stack.h, call-stack.cc (call_stack::top_level_variable_names):
New function.
* symtab.h, symtab.cc (symbol_table::at_top_level,
symbol_table::varval, symbol_table::global_varval,
symbol_table::top_level_varval, symbol_table::global_variable_names,
symbol_table::top_level_variable_names, symbol_table::variable_names,
symbol_table::assign, symbol_table::clear_all,
symbol_table::clear_global, symbol_table::clear_global_pattern,
symbol_table::clear_symbol, symbol_table::clear_symbol_pattern,
symbol_table::global_assign, symbol_table::top_level_assign):
New functions.
author | John W. Eaton <jwe@octave.org> |
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date | Thu, 31 Oct 2019 00:51:45 -0400 |
parents | f0e3f3e28a8e |
children | 4f32af6abd4b |
rev | line source |
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1 /* |
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2 |
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3 Copyright (C) 2002-2019 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 |
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9 the Free Software Foundation, either version 3 of the License, or |
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10 (at your option) any later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but |
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13 WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 GNU General Public License 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, see |
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19 <https://www.gnu.org/licenses/>. |
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20 |
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21 */ |
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22 |
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23 #if ! defined (octave_interpreter_h) |
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24 #define octave_interpreter_h 1 |
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25 |
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26 #include "octave-config.h" |
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27 |
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28 #include <map> |
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29 #include <stack> |
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30 #include <string> |
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31 |
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32 #include "child-list.h" |
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33 #include "oct-time.h" |
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34 #include "quit.h" |
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35 #include "str-vec.h" |
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36 |
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37 #include "cdef-manager.h" |
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38 #include "display.h" |
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39 #include "dynamic-ld.h" |
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40 #include "environment.h" |
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41 #include "error.h" |
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42 #include "event-manager.h" |
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43 #include "graphics.h" |
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44 #include "gtk-manager.h" |
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45 #include "help.h" |
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46 #include "input.h" |
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47 #include "load-path.h" |
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48 #include "load-save.h" |
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49 #include "oct-hist.h" |
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50 #include "oct-stream.h" |
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51 #include "ov-typeinfo.h" |
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52 #include "pager.h" |
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53 #include "pt-eval.h" |
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54 #include "settings.h" |
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55 #include "symtab.h" |
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56 #include "url-handle-manager.h" |
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57 |
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58 extern OCTINTERP_API bool quit_allowed; |
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59 |
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60 // TRUE means we are ready to interpret commands, but not everything |
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61 // is ready for interactive use. |
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62 extern OCTINTERP_API bool octave_interpreter_ready; |
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63 |
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64 // TRUE means we've processed all the init code and we are good to go. |
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65 extern OCTINTERP_API bool octave_initialized; |
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66 |
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67 #include "oct-time.h" |
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68 |
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69 namespace octave |
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70 { |
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71 class profiler; |
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72 class child_list; |
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73 |
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74 // The time we last time we changed directories. |
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75 extern sys::time Vlast_chdir_time; |
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76 |
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77 // The application object contains a pointer to the current |
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78 // interpreter and the interpreter contains a pointer back to the |
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79 // application context so we need a forward declaration for one (or |
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80 // both) of them... |
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81 |
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82 class application; |
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83 |
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84 class temporary_file_list |
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85 { |
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86 public: |
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87 |
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88 temporary_file_list (void) : m_files () { } |
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89 |
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90 // No copying! |
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91 |
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92 temporary_file_list (const temporary_file_list&) = delete; |
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93 |
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94 temporary_file_list& operator = (const temporary_file_list&) = delete; |
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95 |
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96 ~temporary_file_list (void); |
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97 |
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98 void insert (const std::string& file); |
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99 |
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100 void cleanup (void); |
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101 |
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102 private: |
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103 |
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104 // List of temporary files to delete when we exit. |
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105 std::set<std::string> m_files; |
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106 |
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107 }; |
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108 |
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109 class OCTINTERP_API interpreter |
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110 { |
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111 public: |
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112 |
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113 // Create an interpreter object and perform basic initialization. |
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114 |
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115 interpreter (application *app_context = nullptr); |
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116 |
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117 // No copying, at least not yet... |
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118 |
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119 interpreter (const interpreter&) = delete; |
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120 |
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121 interpreter& operator = (const interpreter&) = delete; |
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122 |
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123 // Clean up the interpreter object. |
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124 |
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125 ~interpreter (void); |
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126 |
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127 void intern_nargin (octave_idx_type nargs); |
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128 |
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129 // If creating an embedded interpreter, you may inhibit reading |
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130 // the command history file by calling initialize_history with |
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131 // read_history_file = false prior to calling initialize. |
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132 |
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133 void initialize_history (bool read_history_file = false); |
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134 |
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135 // If creating an embedded interpreter, you may inhibit setting |
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136 // the default compiled-in path by calling initialize_load_path |
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137 // with set_initial_path = false prior calling initialize. After |
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138 // that, you can add directories to the load path to set up a |
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139 // custom path. |
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140 |
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141 void initialize_load_path (bool set_initial_path = true); |
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142 |
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143 // Load command line history, set the load path. |
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144 |
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145 void initialize (void); |
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146 |
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147 // Initialize the interpreter (if not already done by an explicit |
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148 // call to initialize), execute startup files, --eval option code, |
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149 // script files, and/or interactive commands. |
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150 |
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151 int execute (void); |
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152 |
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153 bool interactive (void) const |
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154 { |
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155 return m_interactive; |
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156 } |
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157 |
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158 void interactive (bool arg) |
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159 { |
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160 m_interactive = arg; |
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161 } |
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162 |
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163 void read_site_files (bool flag) |
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164 { |
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165 m_read_site_files = flag; |
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166 } |
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167 |
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168 void read_init_files (bool flag) |
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169 { |
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170 m_read_init_files = flag; |
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171 } |
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172 |
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173 void verbose (bool flag) |
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174 { |
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175 m_verbose = flag; |
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176 } |
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177 |
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178 void inhibit_startup_message (bool flag) |
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179 { |
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180 m_inhibit_startup_message = flag; |
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181 } |
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182 |
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183 bool in_top_level_repl (void) const |
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184 { |
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185 return m_in_top_level_repl; |
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186 } |
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187 |
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188 bool initialized (void) const |
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189 { |
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190 return m_initialized; |
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191 } |
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192 |
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193 display_info& get_display_info (void) |
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194 { |
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195 return m_display_info; |
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196 } |
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197 |
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198 environment& get_environment (void) |
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199 { |
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200 return m_environment; |
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201 } |
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202 |
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203 settings& get_settings (void) |
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204 { |
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205 return m_settings; |
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206 } |
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207 |
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208 error_system& get_error_system (void) |
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209 { |
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210 return m_error_system; |
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211 } |
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212 |
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213 help_system& get_help_system (void) |
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214 { |
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215 return m_help_system; |
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216 } |
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217 |
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218 input_system& get_input_system (void) |
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219 { |
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220 return m_input_system; |
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221 } |
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222 |
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223 output_system& get_output_system (void) |
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224 { |
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225 return m_output_system; |
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226 } |
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227 |
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228 history_system& get_history_system (void) |
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229 { |
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230 return m_history_system; |
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231 } |
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232 |
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233 dynamic_loader& get_dynamic_loader (void) |
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234 { |
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235 return m_dynamic_loader; |
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236 } |
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237 |
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238 load_path& get_load_path (void) |
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239 { |
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240 return m_load_path; |
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241 } |
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242 |
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243 load_save_system& get_load_save_system (void) |
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244 { |
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245 return m_load_save_system; |
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246 } |
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247 |
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248 type_info& get_type_info (void) |
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249 { |
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250 return m_type_info; |
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251 } |
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252 |
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253 symbol_table& get_symbol_table (void) |
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254 { |
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255 return m_symbol_table; |
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256 } |
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257 |
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258 tree_evaluator& get_evaluator (void); |
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259 |
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260 symbol_scope get_top_scope (void) const; |
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261 symbol_scope get_current_scope (void) const; |
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262 symbol_scope require_current_scope (const std::string& who) const; |
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263 |
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264 profiler& get_profiler (void); |
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265 |
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266 stream_list& get_stream_list (void); |
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267 |
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268 child_list& get_child_list (void) |
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269 { |
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270 return m_child_list; |
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271 } |
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272 |
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273 url_handle_manager& get_url_handle_manager (void); |
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274 |
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275 cdef_manager& get_cdef_manager (void) |
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276 { |
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277 return m_cdef_manager; |
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278 } |
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279 |
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280 gtk_manager& get_gtk_manager (void) |
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281 { |
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282 return m_gtk_manager; |
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283 } |
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284 |
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285 event_manager& get_event_manager (void) |
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286 { |
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287 return m_event_manager; |
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288 } |
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289 |
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290 gh_manager& get_gh_manager (void) |
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291 { |
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292 return *m_gh_manager; |
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293 } |
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294 |
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295 // Any Octave code that needs to change the current directory should |
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296 // call this function instead of calling the system chdir function |
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297 // directly so that the load-path and GUI may be notified of the |
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298 // change. |
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299 |
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300 int chdir (const std::string& dir); |
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301 |
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302 void mlock (void); |
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303 |
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304 void munlock (const std::string& nm); |
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305 |
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306 bool mislocked (const std::string& nm); |
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307 |
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308 std::string mfilename (const std::string& opt = "") const; |
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309 |
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310 octave_value_list eval_string (const std::string& eval_str, bool silent, |
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311 int& parse_status, int nargout); |
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312 |
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313 octave_value eval_string (const std::string& eval_str, bool silent, |
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314 int& parse_status); |
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315 |
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316 octave_value_list eval_string (const octave_value& arg, bool silent, |
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317 int& parse_status, int nargout); |
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318 |
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319 octave_value_list eval (const std::string& try_code, int nargout); |
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320 |
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321 octave_value_list eval (const std::string& try_code, |
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322 const std::string& catch_code, int nargout); |
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323 |
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324 octave_value_list evalin (const std::string& context, |
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325 const std::string& try_code, int nargout); |
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326 |
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327 octave_value_list evalin (const std::string& context, |
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328 const std::string& try_code, |
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329 const std::string& catch_code, int nargout); |
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330 |
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331 octave_value_list |
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332 feval (const char *name, |
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333 const octave_value_list& args = octave_value_list (), |
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334 int nargout = 0); |
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335 |
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336 octave_value_list |
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337 feval (const std::string& name, |
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338 const octave_value_list& args = octave_value_list (), |
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339 int nargout = 0); |
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340 |
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341 octave_value_list |
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342 feval (octave_function *fcn, |
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343 const octave_value_list& args = octave_value_list (), |
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344 int nargout = 0); |
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345 |
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346 octave_value_list |
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347 feval (const octave_value& f_arg, |
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348 const octave_value_list& args = octave_value_list (), |
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349 int nargout = 0); |
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350 |
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351 octave_value_list feval (const octave_value_list& args, int nargout = 0); |
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352 |
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353 void install_variable (const std::string& name, const octave_value& value, |
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354 bool global); |
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355 |
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356 void set_global_value (const std::string& name, const octave_value& value); |
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357 |
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358 octave_value global_varval (const std::string& name) const; |
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359 |
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360 void global_assign (const std::string& name, |
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361 const octave_value& val = octave_value ()); |
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362 |
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363 octave_value top_level_varval (const std::string& name) const; |
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364 |
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365 void top_level_assign (const std::string& name, |
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366 const octave_value& val = octave_value ()); |
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367 |
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368 bool is_variable (const std::string& name) const; |
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369 |
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370 bool is_local_variable (const std::string& name) const; |
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371 |
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372 octave_value varval (const std::string& name) const; |
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373 |
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374 void assign (const std::string& name, |
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375 const octave_value& val = octave_value ()); |
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376 |
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377 void assignin (const std::string& context, const std::string& varname, |
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378 const octave_value& val = octave_value ()); |
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379 |
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380 void source_file (const std::string& file_name, |
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381 const std::string& context = "", |
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382 bool verbose = false, bool require_file = true); |
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383 |
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384 bool at_top_level (void) const; |
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385 |
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386 bool isglobal (const std::string& name) const; |
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387 |
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388 octave_value find (const std::string& name); |
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389 |
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390 void clear_all (bool force = false); |
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391 |
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392 void clear_objects (void); |
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393 |
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394 void clear_variable (const std::string& name); |
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395 |
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396 void clear_variable_pattern (const std::string& pattern); |
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397 |
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398 void clear_variable_regexp (const std::string& pattern); |
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399 |
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400 void clear_variables (void); |
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401 |
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402 void clear_global_variable (const std::string& name); |
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403 |
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404 void clear_global_variable_pattern (const std::string& pattern); |
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405 |
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406 void clear_global_variable_regexp (const std::string& pattern); |
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407 |
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408 void clear_global_variables (void); |
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409 |
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410 void clear_functions (bool force = false); |
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411 |
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412 void clear_function (const std::string& name); |
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413 |
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414 void clear_symbol (const std::string& name); |
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415 |
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416 void clear_function_pattern (const std::string& pat); |
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417 |
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418 void clear_function_regexp (const std::string& pat); |
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419 |
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420 void clear_symbol_pattern (const std::string& pat); |
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421 |
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422 void clear_symbol_regexp (const std::string& pat); |
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423 |
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424 std::list<std::string> variable_names (void); |
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425 |
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426 std::list<std::string> top_level_variable_names (void); |
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427 |
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428 std::list<std::string> global_variable_names (void); |
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429 |
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430 std::list<std::string> user_function_names (void); |
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431 |
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432 std::list<std::string> autoloaded_functions (void) const; |
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433 |
27471 | 434 void handle_exception (const execution_exception& e); |
435 | |
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436 void recover_from_exception (void); |
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437 |
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438 void mark_for_deletion (const std::string& file); |
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439 |
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440 void cleanup_tmp_files (void); |
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441 |
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442 void quit (int exit_status, bool force = false, bool confirm = true); |
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443 |
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444 void cancel_quit (bool flag) { m_cancel_quit = flag; } |
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445 |
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446 bool executing_finish_script (void) const |
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447 { |
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448 return m_executing_finish_script; |
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449 } |
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450 |
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451 static void add_atexit_function (const std::string& fname); |
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452 |
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453 static bool remove_atexit_function (const std::string& fname); |
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454 |
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455 static interpreter * the_interpreter (void) { return instance; } |
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456 |
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457 private: |
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458 |
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459 // The interpreter instance; Currently it is only possible to |
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460 // have one, so OCTAVE_THREAD_LOCAL will normally be defined to be |
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461 // empty. Eventually we would like to allow multiple interpreters |
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462 // to be active at once, but they will still be limited to one per |
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463 // thread. When that is possible, OCTAVE_THREAD_LOCAL can be |
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464 // replaced by the C++ thread_local keyword. For now, use a macro |
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465 // to allow experimenting with thread_local storage. |
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466 |
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467 OCTAVE_THREAD_LOCAL static interpreter *instance; |
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468 |
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469 static std::list<std::string> atexit_functions; |
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470 |
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471 void display_startup_message (void) const; |
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472 |
26722
f51e8a7c33f4
run Matlab user files from interpreter, not startup scripts (bug #55681)
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473 int execute_startup_files (void); |
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474 |
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475 int execute_eval_option_code (void); |
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476 |
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477 int execute_command_line_file (void); |
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478 |
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479 int main_loop (void); |
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480 |
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481 void cleanup (void); |
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482 |
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483 application *m_app_context; |
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484 |
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485 temporary_file_list m_tmp_files; |
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486 |
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487 display_info m_display_info; |
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488 |
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489 environment m_environment; |
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490 |
25443
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491 settings m_settings; |
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492 |
27160
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move global error configuration and status variables inside a class
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493 error_system m_error_system; |
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494 |
23721
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new class to manage help system and associated variables
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495 help_system m_help_system; |
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496 |
25407
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new input_system class to manage user input for the interpreter
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497 input_system m_input_system; |
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498 |
25435
a52e6fb674b1
eliminate some singletons and static & global variables
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499 output_system m_output_system; |
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eliminate some singletons and static & global variables
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500 |
25994
f881d3e271d2
eliminate global and file-scope static variables in oct-hist.cc
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501 history_system m_history_system; |
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eliminate global and file-scope static variables in oct-hist.cc
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502 |
23627
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don't use singleton pattern for dynamic_loader class
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503 dynamic_loader m_dynamic_loader; |
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504 |
23599
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don't use singleton for symbol_table
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505 load_path m_load_path; |
22196
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put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
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506 |
25993
f75bb9d659e0
eliminate global and file-scope static variables from load-save.cc (bug #54571)
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507 load_save_system m_load_save_system; |
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John W. Eaton <jwe@octave.org>
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508 |
24540
46440078d73b
don't use singleton for octave_value_typeinfo
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509 type_info m_type_info; |
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510 |
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511 symbol_table m_symbol_table; |
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512 |
23630
8a47d4735655
avoid memory leak in interpreter
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513 tree_evaluator m_evaluator; |
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eliminate load-path singleton
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514 |
23738
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don't use singleton for stream_list object
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515 stream_list m_stream_list; |
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516 |
24734
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don't use singleton pattern for child_list
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517 child_list m_child_list; |
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518 |
23742
1f0daaf81955
don't use singleton for ch_manager, rename to url_handle_manager
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519 url_handle_manager m_url_handle_manager; |
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520 |
23651
5c6cceef132b
don't use singleton for cdef_manager object
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521 cdef_manager m_cdef_manager; |
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522 |
23774
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don't use singleton for gtk_manager
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523 gtk_manager m_gtk_manager; |
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524 |
27263
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rename octave_link and octave_link_events classes, move inside octave namespace
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525 event_manager m_event_manager; |
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eliminate static functions from octave_link class
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526 |
27321
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don't use singleton pattern for gh_manager object
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527 gh_manager *m_gh_manager; |
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528 |
22094
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529 // TRUE means this is an interactive interpreter (forced or not). |
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530 bool m_interactive; |
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531 |
23111
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more refactoring of interpreter and application classes
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532 bool m_read_site_files; |
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533 |
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534 bool m_read_init_files; |
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535 |
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536 bool m_verbose; |
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537 |
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538 bool m_inhibit_startup_message; |
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539 |
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540 bool m_load_path_initialized; |
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541 |
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542 bool m_history_initialized; |
23117
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543 |
27519
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move reader and parser from evaluator repl to interpreter main_loop
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544 // TRUE if we are in the top level interactive read eval print loop. |
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545 bool m_in_top_level_repl; |
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546 |
27587
494d6243c188
improve compatibility of quit function
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547 bool m_cancel_quit; |
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improve compatibility of quit function
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548 |
494d6243c188
improve compatibility of quit function
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549 bool m_executing_finish_script; |
494d6243c188
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550 |
23117
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parents:
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551 bool m_initialized; |
23723
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revamp echo command and move related variables inside tree_evaluator class
John W. Eaton <jwe@octave.org>
parents:
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diff
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552 |
ab8831d346c1
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553 void maximum_braindamage (void); |
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avoid global access of load path in interpreter class
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554 |
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555 void execute_pkg_add (const std::string& dir); |
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556 }; |
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557 } |
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558 |
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559 #endif |