annotate libinterp/corefcn/interpreter-private.cc @ 27266:596312d4f25d

don't use singleton pattern for display_info class * display.h, display.cc (class display_info): Eliminate singleton pattern. Change all uses. * interpreter.h, interpreter.cc (interpreter::m_display_info): New data member. (interpreter::interpreter): Initialize m_display_info depending on application context. (interpreter::get_display_info): New function. * interpreter-private.h, interpreter-private.cc (__get_display_info__): New function.
author John W. Eaton <jwe@octave.org>
date Fri, 19 Jul 2019 10:02:20 -0400
parents 99aa1bcb8848
children eddce82a57cc
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1 /*
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2
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3 Copyright (C) 2017-2019 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 (HAVE_CONFIG_H)
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24 # include "config.h"
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25 #endif
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26
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27 #include <list>
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28 #include <string>
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29
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30 #include "bp-table.h"
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31 #include "cdef-manager.h"
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32 #include "child-list.h"
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33 #include "display.h"
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34 #include "error.h"
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35 #include "event-manager.h"
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36 #include "gtk-manager.h"
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37 #include "help.h"
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38 #include "input.h"
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39 #include "interpreter-private.h"
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40 #include "interpreter.h"
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41 #include "load-path.h"
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42 #include "load-save.h"
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43 #include "oct-hist.h"
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44 #include "ov.h"
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45 #include "ov-fcn-inline.h"
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46 #include "pager.h"
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47 #include "symtab.h"
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48
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49 namespace octave
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50 {
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51 interpreter& __get_interpreter__ (const std::string& who)
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52 {
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53 interpreter *interp = interpreter::the_interpreter ();
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54
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55 if (! interp)
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56 {
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57 abort ();
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58 error ("%s: interpreter context missing", who.c_str ());
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59 }
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60
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61 return *interp;
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62 }
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63
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64 dynamic_loader& __get_dynamic_loader__ (const std::string& who)
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65 {
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66 interpreter& interp = __get_interpreter__ (who);
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67
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68 return interp.get_dynamic_loader ();
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69 }
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70
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71 error_system& __get_error_system__ (const std::string& who)
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72 {
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73 interpreter& interp = __get_interpreter__ (who);
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74
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75 return interp.get_error_system ();
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76 }
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77
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78 help_system& __get_help_system__ (const std::string& who)
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79 {
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80 interpreter& interp = __get_interpreter__ (who);
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81
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82 return interp.get_help_system ();
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83 }
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84
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85 history_system& __get_history_system__ (const std::string& who)
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86 {
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87 interpreter& interp = __get_interpreter__ (who);
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88
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89 return interp.get_history_system ();
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90 }
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91
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92 input_system& __get_input_system__ (const std::string& who)
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93 {
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94 interpreter& interp = __get_interpreter__ (who);
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95
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96 return interp.get_input_system ();
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97 }
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98
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99 output_system& __get_output_system__ (const std::string& who)
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100 {
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101 interpreter& interp = __get_interpreter__ (who);
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102
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103 return interp.get_output_system ();
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104 }
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105
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106 load_path& __get_load_path__ (const std::string& who)
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107 {
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108 interpreter& interp = __get_interpreter__ (who);
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109
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110 return interp.get_load_path ();
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111 }
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112
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113 load_save_system& __get_load_save_system__ (const std::string& who)
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114 {
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115 interpreter& interp = __get_interpreter__ (who);
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116
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117 return interp.get_load_save_system ();
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118 }
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119
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120 event_manager& __get_event_manager__ (const std::string& who)
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121 {
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122 interpreter& interp = __get_interpreter__ (who);
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123
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124 return interp.get_event_manager ();
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125 }
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126
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127 type_info& __get_type_info__ (const std::string& who)
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128 {
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129 interpreter& interp = __get_interpreter__ (who);
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130
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131 return interp.get_type_info ();
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132 }
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133
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134 symbol_table& __get_symbol_table__ (const std::string& who)
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135 {
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136 interpreter& interp = __get_interpreter__ (who);
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137
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138 return interp.get_symbol_table ();
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139 }
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140
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141 symbol_scope __get_current_scope__ (const std::string& who)
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142 {
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143 interpreter& interp = __get_interpreter__ (who);
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144
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145 return interp.get_current_scope ();
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146 }
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147
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148 symbol_scope __require_current_scope__ (const std::string& who)
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149 {
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150 symbol_scope scope = __get_current_scope__ (who);
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151
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152 if (! scope)
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153 error ("%s: symbol table scope missing", who.c_str ());
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154
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155 return scope;
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156 }
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157
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158 tree_evaluator& __get_evaluator__ (const std::string& who)
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159 {
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160 interpreter& interp = __get_interpreter__ (who);
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161
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162 return interp.get_evaluator ();
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163 }
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164
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165 bp_table& __get_bp_table__ (const std::string& who)
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166 {
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167 tree_evaluator& tw = __get_evaluator__ (who);
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168
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169 return tw.get_bp_table ();
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170 }
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171
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172 child_list& __get_child_list__ (const std::string& who)
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173 {
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174 interpreter& interp = __get_interpreter__ (who);
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175
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176 return interp.get_child_list ();
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177 }
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178
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179 cdef_manager& __get_cdef_manager__ (const std::string& who)
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180 {
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181 interpreter& interp = __get_interpreter__ (who);
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182
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183 return interp.get_cdef_manager ();
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184 }
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185
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186 display_info& __get_display_info__ (const std::string& who)
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187 {
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188 interpreter& interp = __get_interpreter__ (who);
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189
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190 return interp.get_display_info ();
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191 }
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192
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diff changeset
193 gtk_manager& __get_gtk_manager__ (const std::string& who)
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194 {
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195 interpreter& interp = __get_interpreter__ (who);
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196
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197 return interp.get_gtk_manager ();
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198 }
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199
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200 octave_value
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diff changeset
201 get_function_handle (interpreter& interp, const octave_value& arg,
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diff changeset
202 const std::string& parameter_name)
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203 {
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204 std::list<std::string> parameter_names;
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205 parameter_names.push_back (parameter_name);
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diff changeset
206 return get_function_handle (interp, arg, parameter_names);
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207 }
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diff changeset
208
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diff changeset
209 octave_value
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diff changeset
210 get_function_handle (interpreter& interp, const octave_value& arg,
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diff changeset
211 const std::list<std::string>& parameter_names)
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diff changeset
212 {
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diff changeset
213 if (arg.is_function_handle () || arg.is_inline_function ())
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214 return arg;
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215 else if (arg.is_string ())
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diff changeset
216 {
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diff changeset
217 std::string fstr = arg.string_value ();
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diff changeset
218
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diff changeset
219 if (fstr.empty ())
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diff changeset
220 return octave_value ();
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diff changeset
221
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diff changeset
222 symbol_table& symtab = interp.get_symbol_table ();
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diff changeset
223
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diff changeset
224 octave_value fcn = symtab.find_function (fstr);
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diff changeset
225
c589db954a4e new functions for getting a functicon from an octave_value object
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diff changeset
226 if (fcn.is_defined ())
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diff changeset
227 return fcn;
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diff changeset
228
c589db954a4e new functions for getting a functicon from an octave_value object
John W. Eaton <jwe@octave.org>
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diff changeset
229 fcn = octave_value (new octave_fcn_inline (fstr, parameter_names));
c589db954a4e new functions for getting a functicon from an octave_value object
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diff changeset
230
26864
041caa61ed34 use get_function_handle instead of extract_function
John W. Eaton <jwe@octave.org>
parents: 26863
diff changeset
231 // Possibly warn here that passing the function body in a
041caa61ed34 use get_function_handle instead of extract_function
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diff changeset
232 // character string is discouraged.
26863
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diff changeset
233
c589db954a4e new functions for getting a functicon from an octave_value object
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diff changeset
234 return fcn;
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diff changeset
235 }
c589db954a4e new functions for getting a functicon from an octave_value object
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diff changeset
236
c589db954a4e new functions for getting a functicon from an octave_value object
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diff changeset
237 return octave_value ();
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diff changeset
238 }
23438
d24d01273bd0 eliminate load-path singleton
John W. Eaton <jwe@octave.org>
parents:
diff changeset
239 }