Mercurial > octave
annotate libinterp/octave-value/ov-usr-fcn.h @ 26917:9dd1d8973877
avoid some overloaded virtual warnings (bug #55741)
* ov-builtin.h, ov-classdef.h, ov-mex-fcn.h, ov-usr-fcn.h: Avoid
overloaded virtual method warnings for classes derived from
octave_function that partially overload the two virtual call methods
by adding using declarations.
author | John W. Eaton <jwe@octave.org> |
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date | Fri, 15 Mar 2019 05:52:35 +0000 |
parents | 6e9034836239 |
children | 7a45100a40c4 |
rev | line source |
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2974 | 1 /* |
2 | |
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3 Copyright (C) 1996-2019 John W. Eaton |
2974 | 4 |
5 This file is part of Octave. | |
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. |
2974 | 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. |
2974 | 16 |
17 You should have received a copy of the GNU General Public License | |
7016 | 18 along with Octave; see the file COPYING. If not, see |
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19 <https://www.gnu.org/licenses/>. |
2974 | 20 |
21 */ | |
22 | |
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23 #if ! defined (octave_ov_usr_fcn_h) |
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24 #define octave_ov_usr_fcn_h 1 |
2974 | 25 |
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26 #include "octave-config.h" |
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27 |
2974 | 28 #include <ctime> |
29 | |
30 #include <string> | |
31 | |
3665 | 32 #include "comment-list.h" |
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33 #include "ovl.h" |
2974 | 34 #include "ov-fcn.h" |
35 #include "ov-typeinfo.h" | |
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36 #include "symscope.h" |
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37 #include "unwind-prot.h" |
2974 | 38 |
39 class string_vector; | |
40 | |
41 class octave_value; | |
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42 |
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43 namespace octave |
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44 { |
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45 class file_info; |
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46 class stack_frame; |
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47 class tree_parameter_list; |
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48 class tree_statement_list; |
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49 class tree_evaluator; |
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50 class tree_expression; |
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51 class tree_walker; |
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52 #if defined (HAVE_LLVM) |
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53 class jit_function_info; |
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54 #endif |
2974 | 55 |
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56 } |
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57 |
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58 class |
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59 octave_user_code : public octave_function |
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60 { |
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61 protected: |
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62 |
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63 octave_user_code (const std::string& fnm = "", const std::string& nm = "", |
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64 const octave::symbol_scope& scope = octave::symbol_scope (), |
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65 octave::tree_statement_list *cmds = nullptr, |
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66 const std::string& ds = "") |
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67 : octave_function (nm, ds), m_scope (scope), file_name (fnm), |
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68 t_parsed (static_cast<time_t> (0)), |
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69 t_checked (static_cast<time_t> (0)), |
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70 m_file_info (nullptr), cmd_list (cmds) |
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71 { } |
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72 |
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73 public: |
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74 |
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75 // No copying! |
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76 |
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77 octave_user_code (const octave_user_code& f) = delete; |
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78 |
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79 octave_user_code& operator = (const octave_user_code& f) = delete; |
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80 |
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81 ~octave_user_code (void); |
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82 |
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83 bool is_user_code (void) const { return true; } |
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84 |
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85 std::string get_code_line (size_t line); |
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86 |
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87 std::deque<std::string> get_code_lines (size_t line, size_t num_lines); |
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88 |
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89 void cache_function_text (const std::string& text, |
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90 const octave::sys::time& timestamp); |
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91 |
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92 octave::symbol_scope scope (void) { return m_scope; } |
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93 |
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94 void stash_fcn_file_name (const std::string& nm) { file_name = nm; } |
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95 |
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96 void mark_fcn_file_up_to_date (const octave::sys::time& t) { t_checked = t; } |
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97 |
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98 void stash_fcn_file_time (const octave::sys::time& t) |
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99 { |
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100 t_parsed = t; |
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101 mark_fcn_file_up_to_date (t); |
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102 } |
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103 |
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104 std::string fcn_file_name (void) const { return file_name; } |
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105 |
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106 octave::sys::time time_parsed (void) const { return t_parsed; } |
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107 |
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108 octave::sys::time time_checked (void) const { return t_checked; } |
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109 |
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110 virtual octave_value find_subfunction (const std::string&) const |
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111 { |
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112 return octave_value (); |
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113 } |
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114 |
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115 virtual std::map<std::string, octave_value> subfunctions (void) const; |
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116 |
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117 octave::tree_statement_list * body (void) { return cmd_list; } |
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118 |
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119 octave_value dump (void) const; |
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120 |
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121 protected: |
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122 |
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123 void get_file_info (void); |
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124 |
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125 // Our symbol table scope. |
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126 octave::symbol_scope m_scope; |
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127 |
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128 // The name of the file we parsed. |
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129 std::string file_name; |
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130 |
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131 // The time the file was parsed. |
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132 octave::sys::time t_parsed; |
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133 |
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134 // The time the file was last checked to see if it needs to be |
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135 // parsed again. |
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136 octave::sys::time t_checked; |
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137 |
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138 // Cached text of function or script code with line offsets |
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139 // calculated. |
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140 octave::file_info *m_file_info; |
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141 |
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142 // The list of commands that make up the body of this function. |
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143 octave::tree_statement_list *cmd_list; |
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144 }; |
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145 |
5744 | 146 // Scripts. |
147 | |
148 class | |
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149 octave_user_script : public octave_user_code |
5744 | 150 { |
151 public: | |
152 | |
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153 octave_user_script (void); |
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154 |
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155 octave_user_script (const std::string& fnm, const std::string& nm, |
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156 const octave::symbol_scope& scope = octave::symbol_scope (), |
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157 octave::tree_statement_list *cmds = nullptr, |
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158 const std::string& ds = ""); |
5744 | 159 |
160 octave_user_script (const std::string& fnm, const std::string& nm, | |
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161 const octave::symbol_scope& scope = octave::symbol_scope (), |
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162 const std::string& ds = ""); |
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163 |
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164 // No copying! |
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165 |
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166 octave_user_script (const octave_user_script& f) = delete; |
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167 |
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168 octave_user_script& operator = (const octave_user_script& f) = delete; |
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169 |
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170 ~octave_user_script (void) = default; |
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172 octave_function * function_value (bool = false) { return this; } |
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173 |
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174 octave_user_script * user_script_value (bool = false) { return this; } |
5744 | 175 |
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176 octave_user_code * user_code_value (bool = false) { return this; } |
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177 |
5744 | 178 // Scripts and user functions are both considered "scripts" because |
179 // they are written in Octave's scripting language. | |
180 | |
181 bool is_user_script (void) const { return true; } | |
182 | |
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183 // We don't need to override both forms of the call method. The using |
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184 // declaration will avoid warnings about partially-overloaded virtual |
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185 // functions. |
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186 using octave_user_code::call; |
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187 |
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188 octave_value_list |
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189 call (octave::tree_evaluator& tw, int nargout = 0, |
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190 const octave_value_list& args = octave_value_list ()); |
7336 | 191 |
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192 void accept (octave::tree_walker& tw); |
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193 |
5744 | 194 private: |
195 | |
196 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA | |
197 }; | |
198 | |
199 // User-defined functions. | |
2974 | 200 |
201 class | |
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202 octave_user_function : public octave_user_code |
2974 | 203 { |
204 public: | |
205 | |
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206 typedef std::map<std::string, octave_value> local_vars_map; |
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207 |
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208 octave_user_function (const octave::symbol_scope& scope = octave::symbol_scope (), |
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209 octave::tree_parameter_list *pl = nullptr, |
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210 octave::tree_parameter_list *rl = nullptr, |
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211 octave::tree_statement_list *cl = nullptr, |
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212 const local_vars_map& lviv = local_vars_map ()); |
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214 // No copying! |
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215 |
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216 octave_user_function (const octave_user_function& fn) = delete; |
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217 |
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218 octave_user_function& operator = (const octave_user_function& fn) = delete; |
2974 | 219 |
220 ~octave_user_function (void); | |
221 | |
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222 octave_function * function_value (bool = false) { return this; } |
2974 | 223 |
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224 octave_user_function * user_function_value (bool = false) { return this; } |
4700 | 225 |
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226 octave_user_code * user_code_value (bool = false) { return this; } |
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227 |
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228 octave_user_function * define_param_list (octave::tree_parameter_list *t); |
2974 | 229 |
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230 octave_user_function * define_ret_list (octave::tree_parameter_list *t); |
2974 | 231 |
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232 void stash_fcn_location (int line, int col) |
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233 { |
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234 location_line = line; |
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235 location_column = col; |
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236 } |
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237 |
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238 int beginning_line (void) const { return location_line; } |
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239 int beginning_column (void) const { return location_column; } |
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240 |
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241 void stash_fcn_end_location (int line, int col) |
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242 { |
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243 end_location_line = line; |
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244 end_location_column = col; |
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245 } |
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246 |
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247 int ending_line (void) const { return end_location_line; } |
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248 int ending_column (void) const { return end_location_column; } |
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249 |
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250 void maybe_relocate_end (void); |
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251 |
6323 | 252 void stash_parent_fcn_name (const std::string& p) { parent_name = p; } |
253 | |
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254 void stash_parent_fcn_scope (const octave::symbol_scope& ps); |
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255 |
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256 void stash_leading_comment (octave::comment_list *lc) { lead_comm = lc; } |
3665 | 257 |
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258 void stash_trailing_comment (octave::comment_list *tc) { trail_comm = tc; } |
3665 | 259 |
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260 std::string profiler_name (void) const; |
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261 |
6323 | 262 std::string parent_fcn_name (void) const { return parent_name; } |
263 | |
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264 octave::symbol_scope parent_fcn_scope (void) const |
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265 { |
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266 return m_scope.parent_scope (); |
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267 } |
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268 |
2974 | 269 void mark_as_system_fcn_file (void); |
270 | |
4346 | 271 bool is_system_fcn_file (void) const { return system_fcn_file; } |
2974 | 272 |
4748 | 273 bool is_user_function (void) const { return true; } |
274 | |
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275 void erase_subfunctions (void); |
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276 |
2974 | 277 bool takes_varargs (void) const; |
278 | |
5848 | 279 bool takes_var_return (void) const; |
2974 | 280 |
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281 void mark_as_private_function (const std::string& cname = ""); |
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282 |
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283 void lock_subfunctions (void); |
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284 |
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285 void unlock_subfunctions (void); |
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286 |
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287 std::map<std::string, octave_value> subfunctions (void) const; |
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288 |
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289 octave_value find_subfunction (const std::string& subfuns) const; |
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290 |
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291 bool has_subfunctions (void) const; |
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292 |
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293 void stash_subfunction_names (const std::list<std::string>& names); |
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294 |
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295 std::list<std::string> subfunction_names (void) const; |
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296 |
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297 octave_value_list all_va_args (const octave_value_list& args); |
2974 | 298 |
4748 | 299 void stash_function_name (const std::string& s) { my_name = s; } |
2974 | 300 |
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301 void mark_as_subfunction (void) { subfunction = true; } |
4238 | 302 |
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303 bool is_subfunction (void) const { return subfunction; } |
4238 | 304 |
6149 | 305 void mark_as_inline_function (void) { inline_function = true; } |
306 | |
307 bool is_inline_function (void) const { return inline_function; } | |
308 | |
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309 void mark_as_anonymous_function (void) { anonymous_function = true; } |
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310 |
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311 bool is_anonymous_function (void) const { return anonymous_function; } |
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312 |
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313 bool is_anonymous_function_of_class |
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314 (const std::string& cname = "") const |
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315 { |
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316 return anonymous_function |
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317 ? (cname.empty () |
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318 ? (! dispatch_class ().empty ()) |
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319 : cname == dispatch_class ()) |
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320 : false; |
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321 } |
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322 |
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323 // If we are a special expression, then the function body consists of exactly |
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324 // one expression. The expression's result is the return value of the |
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325 // function. |
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326 bool is_special_expr (void) const |
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327 { |
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328 return is_inline_function () || is_anonymous_function (); |
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329 } |
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330 |
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331 void mark_as_nested_function (void) { nested_function = true; } |
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332 |
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333 bool is_nested_function (void) const { return nested_function; } |
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334 |
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335 bool is_parent_function (void) const { return m_scope.is_parent (); } |
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336 |
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337 void mark_as_legacy_constructor (void) { class_constructor = legacy; } |
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338 |
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339 bool is_legacy_constructor (const std::string& cname = "") const |
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340 { |
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341 return (class_constructor == legacy |
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342 ? (cname.empty () ? true : cname == dispatch_class ()) : false); |
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343 } |
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344 |
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345 void mark_as_classdef_constructor (void) { class_constructor = classdef; } |
7336 | 346 |
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347 bool is_classdef_constructor (const std::string& cname = "") const |
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348 { |
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349 return (class_constructor == classdef |
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350 ? (cname.empty () ? true : cname == dispatch_class ()) : false); |
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351 } |
7336 | 352 |
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353 void mark_as_legacy_method (void) { class_method = legacy; } |
7336 | 354 |
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355 bool is_legacy_method (const std::string& cname = "") const |
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356 { |
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357 return (class_method == legacy |
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358 ? (cname.empty () ? true : cname == dispatch_class ()) : false); |
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359 } |
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360 |
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361 void mark_as_classdef_method (void) { class_method = classdef; } |
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362 |
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363 bool is_classdef_method (const std::string& cname = "") const |
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364 { |
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365 return (class_method == classdef |
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366 ? (cname.empty () ? true : cname == dispatch_class ()) : false); |
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367 } |
7336 | 368 |
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369 octave_value_list |
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370 call (octave::tree_evaluator& tw, int nargout = 0, |
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371 const octave_value_list& args = octave_value_list ()) |
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372 { |
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373 return call (tw, nargout, args, nullptr); |
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374 } |
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375 |
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376 octave_value_list |
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377 call (octave::tree_evaluator& tw, int nargout, |
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378 const octave_value_list& args, octave::stack_frame *); |
2974 | 379 |
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380 octave::tree_parameter_list * parameter_list (void) { return param_list; } |
2974 | 381 |
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382 octave::tree_parameter_list * return_list (void) { return ret_list; } |
2974 | 383 |
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384 octave::comment_list * leading_comment (void) { return lead_comm; } |
3665 | 385 |
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386 octave::comment_list * trailing_comment (void) { return trail_comm; } |
3665 | 387 |
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388 const local_vars_map& local_var_init_vals (void) const |
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389 { |
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390 return m_local_var_init_vals; |
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391 } |
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392 |
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393 // If is_special_expr is true, retrieve the sigular expression that forms the |
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394 // body. May be null (even if is_special_expr is true). |
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395 octave::tree_expression * special_expr (void); |
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396 |
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397 bool subsasgn_optimization_ok (void); |
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398 |
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399 void accept (octave::tree_walker& tw); |
2974 | 400 |
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401 #if defined (HAVE_LLVM) |
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402 octave::jit_function_info * get_info (void) { return jit_info; } |
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403 |
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404 void stash_info (octave::jit_function_info *info) { jit_info = info; } |
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405 #endif |
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406 |
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407 octave_value dump (void) const; |
3933 | 408 |
2974 | 409 private: |
410 | |
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411 enum class_method_type |
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412 { |
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413 none, |
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414 legacy, |
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415 classdef |
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416 }; |
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417 |
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418 std::string ctor_type_str (void) const; |
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419 std::string method_type_str (void) const; |
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420 |
2974 | 421 // List of arguments for this function. These are local variables. |
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422 octave::tree_parameter_list *param_list; |
2974 | 423 |
424 // List of parameters we return. These are also local variables in | |
425 // this function. | |
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426 octave::tree_parameter_list *ret_list; |
2974 | 427 |
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428 // For anonymous function values inherited from parent scope. |
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429 local_vars_map m_local_var_init_vals; |
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430 |
3665 | 431 // The comments preceding the FUNCTION token. |
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432 octave::comment_list *lead_comm; |
3665 | 433 |
434 // The comments preceding the ENDFUNCTION token. | |
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435 octave::comment_list *trail_comm; |
3665 | 436 |
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First experimental profiler implementation with flat profile.
Daniel Kraft <d@domob.eu>
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437 // Location where this function was defined. |
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438 int location_line; |
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439 int location_column; |
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John W. Eaton <jwe@octave.org>
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440 int end_location_line; |
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441 int end_location_column; |
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442 |
6323 | 443 // The name of the parent function, if any. |
444 std::string parent_name; | |
445 | |
2974 | 446 // True if this function came from a file that is considered to be a |
447 // system function. This affects whether we check the time stamp | |
448 // on the file to see if it has changed. | |
449 bool system_fcn_file; | |
450 | |
451 // The number of arguments that have names. | |
452 int num_named_args; | |
453 | |
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454 // TRUE means this is a subfunction of a primary function. |
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Change mentions of "nested function" to the less misleading "subfunction"
David Grundberg <individ@acc.umu.se>
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455 bool subfunction; |
4238 | 456 |
6149 | 457 // TRUE means this is an inline function. |
458 bool inline_function; | |
459 | |
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John W. Eaton <jwe@octave.org>
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460 // TRUE means this is an anonymous function. |
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461 bool anonymous_function; |
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462 |
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allow handles to nested functions to work (bug #39257)
John W. Eaton <jwe@octave.org>
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463 // TRUE means this is a nested function. |
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Nested function support (bug #35772)
Max Brister <max@2bass.com>
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464 bool nested_function; |
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465 |
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John W. Eaton <jwe@octave.org>
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466 // TRUE means this function contains a nested function. |
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John W. Eaton <jwe@octave.org>
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467 bool parent_function; |
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468 |
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Implement some embryonic handle-classdef semantic.
Michael Goffioul <michael.goffioul@gmail.com>
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469 // Enum describing whether this function is the constructor for class object. |
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John W. Eaton <jwe@octave.org>
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470 class_method_type class_constructor; |
7336 | 471 |
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John W. Eaton <jwe@octave.org>
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472 // Enum describing whether this function is a method for a class. |
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473 class_method_type class_method; |
7336 | 474 |
21724
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use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
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475 #if defined (HAVE_LLVM) |
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jit: Move everything inside the octave namespace
Julien Bect <jbect@users.sourceforge.net>
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476 octave::jit_function_info *jit_info; |
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477 #endif |
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478 |
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John W. Eaton <jwe@octave.org>
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479 void maybe_relocate_end_internal (void); |
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480 |
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revamp echo command and move related variables inside tree_evaluator class
John W. Eaton <jwe@octave.org>
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481 void print_code_function_header (const std::string& prefix); |
2974 | 482 |
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483 void print_code_function_trailer (const std::string& prefix); |
2974 | 484 |
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evaluate script and function code in tree_evaluator methods
John W. Eaton <jwe@octave.org>
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485 // XXX FIXME (public) |
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486 public: |
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487 |
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implement local option for warnings
John W. Eaton <jwe@octave.org>
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488 void restore_warning_states (void); |
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John W. Eaton <jwe@octave.org>
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489 |
4612 | 490 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA |
2974 | 491 }; |
492 | |
493 #endif |