Mercurial > octave
annotate libinterp/corefcn/interpreter.h @ 23774:41795b504a8b
don't use singleton for gtk_manager
* graphics-handle.h, graphics-toolkit.cc, graphics-toolkit.h,
gtk-manager.cc, gtk-manager.h: New files, extracted from graphics.cc
and graphics.in.h.
* libinterp/corefcn/module.mk: Update.
* graphics.cc (Favailable_graphics_toolkits,
Fregister_graphics_toolkit, Floaded_graphics_toolkits): Now defined
with DEFMETHOD.
* main-window.cc (octave_interpreter::execute): Pass interpreter
object to Fregister_graphics_toolkit.
* interpreter-private.cc, interpreter-private.h
(__get_gtk_manager__): New function.
* interpreter.cc, interpreter.h
(interpreter::m_gtk_manager): New data member.
(interpreter::get_gtk_manager): New function.
(interpreter::cleanup): Update call to unload_all_toolkits.
* __init_qt__.cc (__init__): Pass reference to interpreter.
Update caller.
(__shutdown__): Don't call gtk_manager::unload_toolkit here.
(F__init_qt__): Define with DEFMETHOD.
* __init_fltk__.cc (F__init_fltk__): Access gtk_manager through
interpreter object.
* __init_gnuplot__.cc (gnuplot_graphics_toolkit::close):
Don't call gtk_manager::unload_toolkit here.
F__init_gnuplot__): Access gtk_manager through interpreter object.
author | John W. Eaton <jwe@octave.org> |
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date | Fri, 14 Jul 2017 16:05:59 -0400 |
parents | c3828bd031cd |
children | 5d8ef9b859f8 |
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1 /* |
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2 |
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3 Copyright (C) 2002-2017 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 <http://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 <string> |
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29 |
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30 #include "quit.h" |
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31 #include "str-vec.h" |
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32 |
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33 #include "dynamic-ld.h" |
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34 #include "environment.h" |
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35 #include "gtk-manager.h" |
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36 #include "help.h" |
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37 #include "load-path.h" |
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38 #include "oct-stream.h" |
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39 #include "ov-classdef.h" |
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40 #include "pt-eval.h" |
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41 #include "symtab.h" |
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42 #include "url-handle-manager.h" |
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43 |
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44 extern OCTINTERP_API bool quit_allowed; |
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45 |
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46 // TRUE means we are ready to interpret commands, but not everything |
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47 // is ready for interactive use. |
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48 extern OCTINTERP_API bool octave_interpreter_ready; |
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49 |
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50 // TRUE means we've processed all the init code and we are good to go. |
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51 extern OCTINTERP_API bool octave_initialized; |
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52 |
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53 namespace octave |
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54 { |
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55 class profiler; |
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56 class call_stack; |
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57 class tree_evaluator; |
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58 |
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59 // The application object contains a pointer to the current |
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60 // interpreter and the interpreter contains a pointer back to the |
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61 // application context so we need a forward declaration for one (or |
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62 // both) of them... |
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63 |
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64 class application; |
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65 |
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66 class OCTINTERP_API interpreter |
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67 { |
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68 public: |
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69 |
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70 // Create an interpreter object and perform basic initialization |
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71 // up to the point of reading history and setting the load path. |
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72 |
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73 interpreter (application *app_context = nullptr); |
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74 |
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75 // No copying, at least not yet... |
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76 |
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77 interpreter (const interpreter&) = delete; |
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78 |
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79 interpreter& operator = (const interpreter&) = delete; |
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80 |
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81 // Clean up the interpreter object. |
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82 |
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83 ~interpreter (void); |
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84 |
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85 void intern_nargin (octave_idx_type nargs); |
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86 |
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87 // If creating an embedded interpreter, you may inhibit reading |
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88 // the command history file by calling initialize_history with |
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89 // read_history_file = false prior to calling initialize. |
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90 |
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91 void initialize_history (bool read_history_file = false); |
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92 |
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93 // If creating an embedded interpreter, you may inhibit setting |
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94 // the default compiled-in path by calling intialize_load_path |
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95 // with set_initial_path = false prior calling initialize. After |
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96 // that, you can add directories to the load path to set up a |
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97 // custom path. |
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98 |
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99 void initialize_load_path (bool set_initial_path = true); |
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100 |
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101 // Load command line history, set the load path and execute |
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102 // startup files. May throw an exit_exception. |
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103 |
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104 int initialize (void); |
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105 |
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106 // Initialize the interpreter and execute --eval option code, |
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107 // script files, and/or interactive commands. |
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108 |
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109 int execute (void); |
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110 |
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111 bool interactive (void) const |
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112 { |
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113 return m_interactive; |
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114 } |
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115 |
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116 void interactive (bool arg) |
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117 { |
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118 m_interactive = arg; |
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119 } |
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120 |
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121 void read_site_files (bool flag) |
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122 { |
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123 m_read_site_files = flag; |
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124 } |
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125 |
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126 void read_init_files (bool flag) |
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127 { |
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128 m_read_init_files = flag; |
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129 } |
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130 |
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131 void verbose (bool flag) |
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132 { |
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133 m_verbose = flag; |
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134 } |
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135 |
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136 void inhibit_startup_message (bool flag) |
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137 { |
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138 m_inhibit_startup_message = flag; |
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139 } |
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140 |
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141 bool initialized (void) const |
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142 { |
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143 return m_initialized; |
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144 } |
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145 |
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146 environment& get_environment (void) |
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147 { |
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148 return m_environment; |
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149 } |
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150 |
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151 help_system& get_help_system (void) |
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152 { |
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153 return m_help_system; |
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154 } |
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155 |
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156 dynamic_loader& get_dynamic_loader (void) |
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157 { |
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158 return m_dynamic_loader; |
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159 } |
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160 |
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161 load_path& get_load_path (void) |
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162 { |
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163 return m_load_path; |
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164 } |
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165 |
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166 symbol_table& get_symbol_table (void) |
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167 { |
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168 return m_symbol_table; |
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169 } |
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170 |
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171 symbol_table::scope * get_current_scope (void); |
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172 symbol_table::scope * require_current_scope (const std::string& who); |
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173 |
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174 call_stack& get_call_stack (void); |
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175 |
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176 profiler& get_profiler (void); |
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177 |
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178 tree_evaluator& get_evaluator (void); |
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179 |
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180 stream_list& get_stream_list (void); |
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181 |
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182 url_handle_manager& get_url_handle_manager (void); |
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183 |
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184 cdef_manager& get_cdef_manager (void) |
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185 { |
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186 return m_cdef_manager; |
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187 } |
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188 |
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189 gtk_manager& get_gtk_manager (void) |
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190 { |
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191 return m_gtk_manager; |
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192 } |
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193 |
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194 void mlock (void); |
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195 |
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196 void munlock (const std::string& nm); |
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197 |
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198 bool mislocked (const std::string& nm); |
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199 |
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200 static void recover_from_exception (void); |
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201 |
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202 static void add_atexit_function (const std::string& fname); |
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203 |
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204 static bool remove_atexit_function (const std::string& fname); |
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205 |
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206 static interpreter * the_interpreter (void) { return instance; } |
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207 |
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208 private: |
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209 |
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210 // The interpreter instance; Currently it is only possible to |
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211 // have one. |
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212 static interpreter *instance; |
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213 |
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214 static std::list<std::string> atexit_functions; |
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215 |
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216 void display_startup_message (void) const; |
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217 |
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218 int execute_startup_files (void) const; |
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219 |
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220 int execute_eval_option_code (void); |
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221 |
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222 int execute_command_line_file (void); |
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223 |
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224 int main_loop (void); |
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225 |
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226 void cleanup (void); |
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227 |
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228 application *m_app_context; |
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229 |
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230 environment m_environment; |
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231 |
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232 help_system m_help_system; |
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233 |
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234 dynamic_loader m_dynamic_loader; |
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235 |
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236 load_path m_load_path; |
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237 |
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238 symbol_table m_symbol_table; |
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239 |
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240 tree_evaluator m_evaluator; |
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241 |
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242 stream_list m_stream_list; |
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243 |
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244 url_handle_manager m_url_handle_manager; |
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245 |
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246 cdef_manager m_cdef_manager; |
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247 |
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248 gtk_manager m_gtk_manager; |
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249 |
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250 // TRUE means this is an interactive interpreter (forced or not). |
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251 bool m_interactive; |
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252 |
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253 bool m_read_site_files; |
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254 |
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255 bool m_read_init_files; |
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256 |
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257 bool m_verbose; |
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258 |
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259 bool m_inhibit_startup_message; |
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260 |
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261 bool m_load_path_initialized; |
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262 |
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263 bool m_history_initialized; |
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264 |
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265 bool m_initialized; |
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266 |
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267 void maximum_braindamage (void); |
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268 }; |
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269 } |
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270 |
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271 #if defined (OCTAVE_USE_DEPRECATED_FUNCTIONS) |
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272 |
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273 OCTAVE_DEPRECATED (4.4, "use 'octave::interpreter::recover_from_exception' instead") |
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274 static inline void |
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275 recover_from_exception (void) |
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276 { |
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277 octave::interpreter::recover_from_exception (); |
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278 } |
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279 |
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280 OCTAVE_DEPRECATED (4.4, "use 'octave::interpreter::add_atexit_function' instead") |
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281 static inline void |
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282 add_atexit_function (const std::string& fname) |
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283 { |
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284 octave::interpreter::add_atexit_function (fname); |
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285 } |
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286 |
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287 OCTAVE_DEPRECATED (4.4, "use 'octave::interpreter::remove_atexit_function' instead") |
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288 static inline bool |
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289 remove_atexit_function (const std::string& fname) |
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290 { |
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291 return octave::interpreter::remove_atexit_function (fname); |
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292 } |
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293 |
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294 #endif |
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295 |
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296 #endif |