Mercurial > octave
annotate libinterp/corefcn/symtab.h @ 32847:cb3163ba60c1 stable
be more explicit about creation of invalid vs anonymous symbol_scope objects
In changeset ea3458c1d884, the meaning of symbol_scope() changed from
creating a valid but anonymous (unnamed) scope to creating an invalid
scope. Require the intent to be clear by deleting the default
constructor so that one must pass either nullptr or a name and provide
convenience functions to explicitly create invalid or anonymous
scopes.
* symscope.h (symbol_scope::invalid, symbol_scope::anonymous):
New static functions.
(symbol_scope (const std::shared_ptr<symbol_scope_rep>)):
Eliminate default argument value.
(symbol_scope::symbol_scope ()): Delete. Replace uses with
symbol_scope::invalid or symbol_scope::anonymous as appropriate.
author | John W. Eaton <jwe@octave.org> |
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date | Thu, 25 Jan 2024 09:36:49 -0500 |
parents | 2e484f9f1f18 |
children |
rev | line source |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 1993-2024 The Octave Project Developers |
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4 // |
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5 // See the file COPYRIGHT.md in the top-level directory of this |
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6 // distribution or <https://octave.org/copyright/>. |
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7 // |
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8 // This file is part of Octave. |
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9 // |
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10 // Octave is free software: you can redistribute it and/or modify it |
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11 // under the terms of the GNU General Public License as published by |
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12 // the Free Software Foundation, either version 3 of the License, or |
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13 // (at your option) any later version. |
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14 // |
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15 // Octave is distributed in the hope that it will be useful, but |
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 // GNU General Public License for more details. |
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19 // |
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20 // You should have received a copy of the GNU General Public License |
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21 // along with Octave; see the file COPYING. If not, see |
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22 // <https://www.gnu.org/licenses/>. |
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23 // |
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24 //////////////////////////////////////////////////////////////////////// |
8 | 25 |
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26 #if ! defined (octave_symtab_h) |
383 | 27 #define octave_symtab_h 1 |
8 | 28 |
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29 #include "octave-config.h" |
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30 |
7336 | 31 #include <deque> |
32 #include <list> | |
33 #include <map> | |
34 #include <set> | |
35 #include <string> | |
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7336 | 37 #include "glob-match.h" |
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38 #include "lo-regexp.h" |
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39 #include "oct-refcount.h" |
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42 class octave_user_function; |
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44 #include "fcn-info.h" |
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45 #include "ov.h" |
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46 #include "ovl.h" |
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47 #include "symscope.h" |
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49 OCTAVE_BEGIN_NAMESPACE(octave) |
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50 |
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51 class interpreter; |
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52 |
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53 class OCTINTERP_API symbol_table |
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54 { |
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55 public: |
7336 | 56 |
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57 // Make symbol_table::scope and symbol_table::fcn_info valid type names. |
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58 typedef octave::symbol_scope scope; |
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59 typedef octave::fcn_info fcn_info; |
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60 |
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61 symbol_table (interpreter& interp); |
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62 |
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63 OCTAVE_DISABLE_CONSTRUCT_COPY_MOVE (symbol_table) |
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64 |
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65 ~symbol_table () = default; |
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66 |
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67 symbol_scope current_scope () const; |
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68 |
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69 bool is_built_in_function_name (const std::string& name); |
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70 |
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71 octave_value find_scoped_function (const std::string& name, |
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72 const symbol_scope& search_scope); |
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73 |
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74 octave_value find_private_function (const std::string& dir_name, |
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75 const std::string& name); |
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76 |
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77 // FIXME: this function only finds legacy class methods, not |
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78 // classdef methods. |
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79 octave_value find_method (const std::string& name, |
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80 const std::string& dispatch_type); |
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81 |
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82 octave_value find_built_in_function (const std::string& name); |
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83 |
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84 octave_value find_autoload (const std::string& name); |
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85 |
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86 octave_value |
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87 builtin_find (const std::string& name, |
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88 const symbol_scope& search_scope = symbol_scope::invalid ()); |
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89 |
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90 octave_value |
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91 fcn_table_find (const std::string& name, |
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92 const octave_value_list& args = ovl (), |
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93 const symbol_scope& search_scope = symbol_scope::invalid ()); |
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94 |
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95 // If NAME is of the form @CLASS/FUNCTION, call |
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96 // |
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97 // find_method (FUNCTION, CLASS) |
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98 // |
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99 // otherwise call |
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100 // |
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101 // find_function (NAME, ovl ()) |
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102 |
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103 octave_value |
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104 find_function (const std::string& name, |
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105 const symbol_scope& search_scope = symbol_scope::invalid ()); |
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106 |
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107 // NAME should just be function name; dispatch type determined |
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108 // from types of ARGS. |
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109 |
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110 octave_value |
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111 find_function (const std::string& name, |
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112 const octave_value_list& args, |
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113 const symbol_scope& search_scope = symbol_scope::invalid ()); |
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114 |
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115 octave_value find_user_function (const std::string& name); |
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116 |
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117 octave_value find_cmdline_function (const std::string& name); |
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118 |
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119 void install_cmdline_function (const std::string& name, |
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120 const octave_value& fcn); |
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121 |
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122 // Install local function FCN named NAME. FILE_NAME is the name of |
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123 // the file containing the local function. |
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124 |
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125 void install_local_function (const std::string& name, |
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126 const octave_value& fcn, |
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127 const std::string& file_name); |
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129 void install_user_function (const std::string& name, |
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130 const octave_value& fcn); |
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131 |
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132 // FIXME: should we ensure that FCN really is a built-in function |
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133 // object? |
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134 void install_built_in_function (const std::string& name, |
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135 const octave_value& fcn); |
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136 |
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137 // This is written as two separate functions instead of a single |
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138 // function with default values so that it will work properly with |
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139 // unwind_protect. |
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140 |
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141 void clear_functions (bool force = false); |
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142 |
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143 void clear_function (const std::string& name); |
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144 |
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145 void clear_function_pattern (const std::string& pat); |
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146 |
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147 void clear_function_regexp (const std::string& pat); |
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148 |
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149 void clear_user_function (const std::string& name); |
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150 |
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151 // This clears oct and mex files, including autoloads. |
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152 void clear_dld_function (const std::string& name); |
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153 |
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154 void clear_mex_functions (); |
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155 |
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156 bool set_class_relationship (const std::string& sup_class, |
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157 const std::string& inf_class); |
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158 |
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159 bool is_superiorto (const std::string& a, const std::string& b); |
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160 |
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161 void alias_built_in_function (const std::string& alias, |
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162 const std::string& name); |
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163 |
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164 void install_built_in_dispatch (const std::string& name, |
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165 const std::string& klass); |
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166 |
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167 std::list<std::string> user_function_names (); |
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168 |
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169 std::list<std::string> built_in_function_names (); |
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170 |
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171 std::list<std::string> cmdline_function_names (); |
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172 |
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173 octave_value dump () const; |
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174 |
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175 void add_to_parent_map (const std::string& classname, |
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176 const std::list<std::string>& parent_list); |
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177 |
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178 std::list<std::string> parent_classes (const std::string& dispatch_type); |
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179 |
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180 void cleanup (); |
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181 |
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182 fcn_info * get_fcn_info (const std::string& name); |
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183 |
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184 private: |
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185 |
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186 interpreter& m_interpreter; |
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187 |
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188 typedef std::map<std::string, octave_value>::const_iterator |
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189 global_symbols_const_iterator; |
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190 typedef std::map<std::string, octave_value>::iterator |
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191 global_symbols_iterator; |
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192 |
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193 typedef std::map<std::string, fcn_info>::const_iterator |
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194 fcn_table_const_iterator; |
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195 typedef std::map<std::string, fcn_info>::iterator |
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196 fcn_table_iterator; |
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197 |
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198 // Map from function names to function info (private |
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199 // functions, class constructors, class methods, etc.) |
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200 // Note that subfunctions are defined in the scope that contains |
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201 // them. |
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202 std::map<std::string, fcn_info> m_fcn_table; |
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203 |
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204 // Map from class names to set of classes that have lower |
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205 // precedence. |
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206 std::map<std::string, std::set<std::string>> m_class_precedence_table; |
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207 |
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208 typedef std::map<std::string, std::set<std::string>>::const_iterator |
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209 class_precedence_table_const_iterator; |
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210 typedef std::map<std::string, std::set<std::string>>::iterator |
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211 class_precedence_table_iterator; |
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212 |
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213 // Map from class names to parent class names. |
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214 std::map<std::string, std::list<std::string>> m_parent_map; |
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215 |
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216 typedef std::map<std::string, std::list<std::string>>::const_iterator |
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217 const_parent_map_iterator; |
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218 typedef std::map<std::string, std::list<std::string>>::iterator |
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219 parent_map_iterator; |
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220 |
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221 octave_value dump_fcn_table_map () const; |
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222 |
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223 // This function is generated automatically by mk-builtins.pl. |
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224 void install_builtins (); |
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225 }; |
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226 |
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227 OCTAVE_END_NAMESPACE(octave) |
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228 |
8 | 229 #endif |