Mercurial > octave
annotate libinterp/octave-value/ov-fcn-handle.h @ 29954:4c88a452519c
rename OCTAVE_USE_DEPRECATED_FUNCTIONS macro and attempt to make it work
For ordinary functions declared in a header file and defined in a
corresponding source file, it should be OK to omit the declaration in
the header file based on the value of
OCTAVE_PROVIDE_DEPRECATED_SYMBOLS. But it is an error to attempt to
define a member function that has not been declared in the class
declaration. So for these, we rename the original function to be
FOO_deprecated and then provide a wrapper function called FOO that is
completely defined in the header file and simply calls the
FOO_deprecated function.
* mk-octave-config-h.sh, oct-conf-post.in.h
(OCTAVE_PROVIDE_DEPRECATED_SYMBOLS): Rename from
OCTAVE_USE_DEPRECATED_FUNCTIONS. Change all uses. For deprecated
member fucntions, use private FOO_deprecated member functions and
conditionally defined inline public wrappers to allow declarations of
deprecated symbosl to be omitted if OCTAVE_PROVIDE_DEPRECATED_SYMBOLS
is not defined.
author | John W. Eaton <jwe@octave.org> |
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date | Sat, 14 Aug 2021 11:13:17 -0400 |
parents | 34d06c73b48d |
children | 939bef0b66e0 |
rev | line source |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 2003-2021 The Octave Project Developers |
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4 // |
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5 // See the file COPYRIGHT.md in the top-level directory of this |
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6 // distribution or <https://octave.org/copyright/>. |
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7 // |
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8 // This file is part of Octave. |
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9 // |
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10 // Octave is free software: you can redistribute it and/or modify it |
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11 // under the terms of the GNU General Public License as published by |
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12 // the Free Software Foundation, either version 3 of the License, or |
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13 // (at your option) any later version. |
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14 // |
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15 // Octave is distributed in the hope that it will be useful, but |
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 // GNU General Public License for more details. |
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19 // |
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20 // You should have received a copy of the GNU General Public License |
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21 // along with Octave; see the file COPYING. If not, see |
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22 // <https://www.gnu.org/licenses/>. |
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23 // |
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24 //////////////////////////////////////////////////////////////////////// |
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26 #if ! defined (octave_ov_fcn_handle_h) |
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27 #define octave_ov_fcn_handle_h 1 |
4343 | 28 |
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29 #include "octave-config.h" |
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30 |
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31 #include <iosfwd> |
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32 #include <list> |
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33 #include <memory> |
4343 | 34 #include <string> |
35 | |
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36 #include "oct-map.h" |
4343 | 37 #include "ov-base.h" |
38 #include "ov-fcn.h" | |
4654 | 39 #include "ov-typeinfo.h" |
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40 #include "stack-frame.h" |
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41 #include "symscope.h" |
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43 namespace octave |
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44 { |
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45 class interpreter; |
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46 class tree_evaluator; |
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47 |
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48 // Function handles. |
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49 |
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50 class base_fcn_handle |
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51 { |
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52 public: |
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53 |
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54 base_fcn_handle (const std::string& name = "", |
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55 const std::string& file = "") |
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56 : m_name (name), m_file (file) |
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57 { } |
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58 |
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59 base_fcn_handle (const base_fcn_handle&) = default; |
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60 |
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61 virtual ~base_fcn_handle (void) = default; |
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62 |
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63 virtual base_fcn_handle * clone (void) const = 0; |
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64 |
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65 virtual std::string type (void) const = 0; |
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66 |
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67 virtual bool is_internal (void) const { return false; } |
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68 |
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69 virtual bool is_simple (void) const { return false; } |
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70 |
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71 virtual bool is_scoped (void) const { return false; } |
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72 |
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73 virtual bool is_nested (void) const { return false; } |
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74 |
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75 virtual bool is_nested (const std::shared_ptr<stack_frame>&) const |
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76 { |
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77 return false; |
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78 } |
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79 |
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80 virtual bool is_weak_nested (void) const { return false; } |
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81 |
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82 virtual bool is_class_simple (void) const { return false; } |
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83 |
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84 virtual bool is_anonymous (void) const { return false; } |
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85 |
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86 virtual bool is_weak_anonymous (void) const { return false; } |
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87 |
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88 virtual octave_value make_weak_nested_handle (void) const; |
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89 |
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90 virtual octave_value make_weak_anonymous_handle (void) const; |
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91 |
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92 std::string fcn_name (void) const { return m_name; } |
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93 |
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94 std::string file (void) const { return m_file; } |
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95 |
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96 octave_value_list |
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97 subsref (const std::string& type, const std::list<octave_value_list>& idx, |
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98 int nargout); |
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99 |
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100 virtual octave_value_list |
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101 call (int nargout, const octave_value_list& args) = 0; |
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102 |
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103 // FIXME: These must go away. They don't do the right thing for |
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104 // scoping or overloads. |
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105 virtual octave_function * function_value (bool = false) |
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106 { |
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107 return nullptr; |
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108 } |
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109 |
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110 virtual octave_user_function * user_function_value (bool = false) |
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111 { |
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112 return nullptr; |
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113 } |
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114 |
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115 virtual octave_value fcn_val (void) { return octave_value (); } |
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116 |
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117 virtual octave_value workspace (void) const { return octave_value (); } |
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118 |
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119 // Should be const. |
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120 virtual octave_scalar_map info (void) { return octave_scalar_map (); } |
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121 |
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122 virtual void set_dispatch_class (const std::string& /*class_name*/) { } |
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123 |
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124 virtual std::string get_dispatch_class (void) const { return ""; } |
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125 |
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126 octave_value convert_to_str_internal (bool pad, bool force, char type) const; |
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127 |
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128 virtual bool save_ascii (std::ostream& os); |
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129 |
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130 virtual bool load_ascii (std::istream& is); |
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131 |
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132 virtual bool save_binary (std::ostream& os, bool save_as_floats); |
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133 |
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134 virtual bool load_binary (std::istream& is, bool swap, |
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135 mach_info::float_format fmt); |
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136 |
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137 virtual bool save_hdf5 (octave_hdf5_id loc_id, const char *name, |
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138 bool save_as_floats); |
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139 |
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140 virtual bool load_hdf5 (octave_hdf5_id& group_hid, |
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141 octave_hdf5_id& space_hid, |
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142 octave_hdf5_id& type_hid); |
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143 |
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144 virtual void print_raw (std::ostream&, bool /*pr_as_read_syntax*/, |
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145 int /*current_print_indent_level*/) const |
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146 { } |
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147 |
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148 // Function handles are printed without a newline by default. |
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149 virtual bool print_as_scalar (void) const { return true; } |
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150 |
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151 virtual bool |
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152 set_fcn (const std::string& /*octaveroot*/, const std::string& /*fpath*/) |
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153 { |
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154 return false; |
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155 } |
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156 |
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157 protected: |
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158 |
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159 void warn_load (const char *file_type) const; |
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160 void warn_save (const char *file_type) const; |
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161 |
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162 void unimplemented (const char *op, const char *fmt) const; |
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163 |
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164 // The name of the handle, not including the "@", or the text of the |
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165 // anonymous function. |
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166 std::string m_name; |
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167 |
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168 // The name of the file where the named function was defined. |
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169 std::string m_file; |
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170 }; |
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171 } |
4343 | 172 |
4925 | 173 class |
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174 OCTINTERP_API |
4925 | 175 octave_fcn_handle : public octave_base_value |
4654 | 176 { |
177 public: | |
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178 |
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179 static const std::string anonymous; |
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180 |
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181 // Creates an invalid function handle. Used to create generic |
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182 // function handle objects when loading function handles. Further |
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183 // dispatch happens in the octave_fcn_handle load/save functions. |
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184 octave_fcn_handle (void); |
5007 | 185 |
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186 // Create a handle to a built-in or internal function. |
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187 octave_fcn_handle (const octave_value& fcn); |
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188 |
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189 // Create a simple function handle that is not bound to a function. |
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190 // Lookup happens when a function call is attempted. |
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191 octave_fcn_handle (const std::string& name); |
4654 | 192 |
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193 // Create a simple function handle that is bound to a function. |
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194 octave_fcn_handle (const octave_value& fcn, const std::string& name); |
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195 |
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196 // Create a function handle that might be bound to a class method. |
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197 octave_fcn_handle (const std::string& class_nm, const std::string& meth_nm); |
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198 |
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199 // Create a function handle bound to a class method. |
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200 octave_fcn_handle (const octave_value& fcn, const std::string& class_nm, |
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201 const std::string& meth_nm); |
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202 |
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203 // Create a function handle bound to a class method. |
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204 octave_fcn_handle (const octave_value& obj, const octave_value& fcn, |
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205 const std::string& class_nm, |
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206 const std::string& meth_nm); |
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207 |
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208 // Create a function handle bound to a scoped function. |
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209 octave_fcn_handle (const octave_value& fcn, const std::string& name, |
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210 const std::list<std::string>& parentage); |
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211 |
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212 // Create a handle to a nested function. |
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213 octave_fcn_handle (const octave_value& fcn, const std::string& name, |
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214 const std::shared_ptr<octave::stack_frame>& closure_frames); |
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215 |
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216 // Create an anonymous function handle with local variable values |
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217 // provided in LOCAL_VARS. |
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218 octave_fcn_handle (const octave_value& fcn, |
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219 const octave::stack_frame::local_vars_map& local_vars, |
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220 const std::shared_ptr<octave::stack_frame>& closure_frames |
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221 = std::shared_ptr<octave::stack_frame> ()); |
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222 |
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223 octave_fcn_handle (octave::base_fcn_handle *rep); |
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224 |
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225 octave_fcn_handle (const octave_fcn_handle& fh); |
4967 | 226 |
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227 ~octave_fcn_handle (void) = default; |
4654 | 228 |
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229 octave_base_value * clone (void) const |
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230 { |
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231 return new octave_fcn_handle (*this); |
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232 } |
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233 |
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234 octave_base_value * empty_clone (void) const |
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235 { |
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236 return new octave_fcn_handle (); |
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237 } |
4967 | 238 |
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239 // We don't need to override all three forms of subsref. The using |
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240 // declaration will avoid warnings about partially-overloaded virtual |
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241 // functions. |
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242 using octave_base_value::subsref; |
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243 |
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244 octave_value subsref (const std::string& type, |
10313 | 245 const std::list<octave_value_list>& idx) |
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246 { |
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247 octave_value_list tmp = subsref (type, idx, 1); |
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248 return tmp.length () > 0 ? tmp(0) : octave_value (); |
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249 } |
4924 | 250 |
251 octave_value_list subsref (const std::string& type, | |
10313 | 252 const std::list<octave_value_list>& idx, |
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253 int nargout) |
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254 { |
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255 return m_rep->subsref (type, idx, nargout); |
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256 } |
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257 |
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258 octave_value_list call (int nargout, const octave_value_list& args); |
4924 | 259 |
4925 | 260 bool is_defined (void) const { return true; } |
4654 | 261 |
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262 builtin_type_t builtin_type (void) const { return btyp_func_handle; } |
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263 |
4654 | 264 bool is_function_handle (void) const { return true; } |
265 | |
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266 bool is_internal (void) const { return m_rep->is_internal (); } |
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267 |
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268 bool is_simple (void) const { return m_rep->is_simple (); } |
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269 |
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270 bool is_scoped (void) const { return m_rep->is_scoped (); } |
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271 |
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272 bool is_nested (void) const { return m_rep->is_nested (); } |
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273 |
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274 bool is_nested (const std::shared_ptr<octave::stack_frame>& frame) const |
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275 { |
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276 return m_rep->is_nested (frame); |
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277 } |
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278 |
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279 bool is_weak_nested (void) const { return m_rep->is_weak_nested (); } |
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280 |
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281 bool is_class_simple (void) const { return m_rep->is_class_simple (); } |
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282 |
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283 bool is_anonymous (void) const { return m_rep->is_anonymous (); } |
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284 |
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285 bool is_weak_anonymous (void) const { return m_rep->is_weak_anonymous (); } |
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286 |
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287 octave_value make_weak_nested_handle (void) const |
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288 { |
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289 return m_rep->make_weak_nested_handle (); |
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290 } |
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291 |
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292 octave_value make_weak_anonymous_handle (void) const |
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293 { |
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294 return m_rep->make_weak_anonymous_handle (); |
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295 } |
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296 |
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297 dim_vector dims (void) const; |
5654 | 298 |
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299 // FIXME: These must go away. They don't do the right thing for |
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300 // scoping or overloads. |
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301 octave_function * function_value (bool = false) |
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302 { |
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303 return m_rep->function_value (); |
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304 } |
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305 |
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306 octave_user_function * user_function_value (bool = false) |
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307 { |
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308 return m_rep->user_function_value (); |
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309 } |
6625 | 310 |
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311 octave_fcn_handle * fcn_handle_value (bool = false) { return this; } |
4654 | 312 |
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313 octave_value fcn_val (void) { return m_rep->fcn_val (); } |
5007 | 314 |
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315 // FCN_NAME should be eliminated. |
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316 std::string fcn_name (void) const { return m_rep->fcn_name (); } |
4930 | 317 |
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318 octave_value workspace (void) const |
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319 { |
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320 return m_rep->workspace (); |
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321 } |
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322 |
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323 octave_scalar_map info (void) { return m_rep->info (); } |
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324 |
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325 void set_dispatch_class (const std::string& class_name) |
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326 { |
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327 m_rep->set_dispatch_class (class_name); |
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328 } |
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329 |
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330 std::string get_dispatch_class (void) const |
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331 { |
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332 return m_rep->get_dispatch_class (); |
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333 } |
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334 |
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335 octave_value convert_to_str_internal (bool pad, bool force, char type) const |
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336 { |
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337 return m_rep->convert_to_str_internal (pad, force, type); |
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338 } |
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339 |
6974 | 340 bool save_ascii (std::ostream& os); |
4988 | 341 |
342 bool load_ascii (std::istream& is); | |
343 | |
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344 bool save_binary (std::ostream& os, bool save_as_floats); |
4988 | 345 |
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346 bool load_binary (std::istream& is, bool swap, |
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347 octave::mach_info::float_format fmt); |
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349 bool save_hdf5 (octave_hdf5_id loc_id, const char *name, bool save_as_floats); |
4988 | 350 |
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351 bool load_hdf5 (octave_hdf5_id loc_id, const char *name); |
4988 | 352 |
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353 void print (std::ostream& os, bool pr_as_read_syntax = false); |
4654 | 354 |
355 void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const; | |
356 | |
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357 // Simple function handles are printed without a newline. |
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358 bool print_as_scalar (void) const { return m_rep->print_as_scalar (); } |
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359 |
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360 friend bool |
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361 is_equal_to (const octave_fcn_handle& fh1, const octave_fcn_handle& fh2); |
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362 |
4654 | 363 private: |
4343 | 364 |
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365 std::shared_ptr<octave::base_fcn_handle> m_rep; |
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366 |
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367 octave::base_fcn_handle * get_rep (void) const { return m_rep.get (); } |
6625 | 368 |
4612 | 369 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA |
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370 }; |
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371 |
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372 extern bool |
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373 is_equal_to (const octave_fcn_handle& fh1, const octave_fcn_handle& fh2); |
4343 | 374 |
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375 namespace octave |
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376 { |
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377 #if defined (OCTAVE_PROVIDE_DEPRECATED_SYMBOLS) |
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378 OCTAVE_DEPRECATED (6, "use 'tree_evaluator::make_fcn_handle' instead") |
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379 extern octave_value |
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380 make_fcn_handle (interpreter& interp, const std::string& name); |
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381 #endif |
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382 } |
4343 | 383 |
384 #endif |