Mercurial > octave
annotate libinterp/octave-value/ov-fcn.h @ 24270:bc3819b7cca1
don't use symbol_table:: nesting for symbol_record, symbol_scope, or fcn_info
Change all uses of symbol_table::symbol_record to symbol_record.
Change all uses of symbol_table::scope to symbol_scope.
Change all uses of symbol_table::fcn_info to fcn_info.
author | John W. Eaton <jwe@octave.org> |
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date | Thu, 16 Nov 2017 21:43:47 -0500 |
parents | 336f89b6208b |
children | 8bcfddad15ec |
rev | line source |
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2974 | 1 /* |
2 | |
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3 Copyright (C) 1996-2017 John W. Eaton |
2974 | 4 |
5 This file is part of Octave. | |
6 | |
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 |
19 <http://www.gnu.org/licenses/>. | |
2974 | 20 |
21 */ | |
22 | |
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23 #if ! defined (octave_ov_fcn_h) |
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24 #define octave_ov_fcn_h 1 |
2974 | 25 |
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26 #include "octave-config.h" |
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27 |
2974 | 28 #include <string> |
29 | |
3258 | 30 #include "oct-time.h" |
3325 | 31 #include "str-vec.h" |
3258 | 32 |
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33 #include "ovl.h" |
2974 | 34 #include "ov-base.h" |
35 #include "ov-typeinfo.h" | |
7336 | 36 #include "symtab.h" |
2974 | 37 |
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38 namespace octave |
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39 { |
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40 class tree_evaluator; |
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41 class tree_walker; |
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42 } |
2976 | 43 |
2974 | 44 // Functions. |
45 | |
46 class | |
6109 | 47 OCTINTERP_API |
2974 | 48 octave_function : public octave_base_value |
49 { | |
50 public: | |
51 | |
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52 octave_function (void) |
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53 : relative (false), locked (false), private_function (false), |
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54 xdispatch_class (), xpackage_name (), my_name (), my_dir_name (), |
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55 doc () { } |
2974 | 56 |
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57 // No copying! |
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58 |
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59 octave_function (const octave_function& f) = delete; |
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60 |
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61 octave_function& operator = (const octave_function& f) = delete; |
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62 |
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63 ~octave_function (void) = default; |
2974 | 64 |
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65 octave_base_value * clone (void) const; |
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66 octave_base_value * empty_clone (void) const; |
2974 | 67 |
68 bool is_defined (void) const { return true; } | |
69 | |
70 bool is_function (void) const { return true; } | |
71 | |
3544 | 72 virtual bool is_system_fcn_file (void) const { return false; } |
2974 | 73 |
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74 virtual std::string fcn_file_name (void) const { return ""; } |
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75 |
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76 virtual std::string src_file_name (void) const { return ""; } |
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77 |
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78 // The name to show in the profiler (also used as map-key). |
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79 virtual std::string profiler_name (void) const { return name (); } |
2974 | 80 |
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81 virtual std::string parent_fcn_name (void) const { return ""; } |
6323 | 82 |
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83 virtual octave::symbol_scope * parent_fcn_scope (void) const |
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84 { return nullptr; } |
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85 |
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86 virtual void mark_fcn_file_up_to_date (const octave::sys::time&) { } |
3166 | 87 |
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88 virtual octave::symbol_scope * scope (void) { return nullptr; } |
7336 | 89 |
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90 virtual octave::sys::time time_parsed (void) const |
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91 { return octave::sys::time (static_cast<time_t> (0)); } |
2974 | 92 |
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93 virtual octave::sys::time time_checked (void) const |
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94 { return octave::sys::time (static_cast<time_t> (0)); } |
3166 | 95 |
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96 virtual bool is_subfunction (void) const { return false; } |
4343 | 97 |
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98 virtual bool is_class_constructor (const std::string& = "") const |
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99 { return false; } |
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101 virtual bool |
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102 is_classdef_constructor (const std::string& = "") const |
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103 { return false; } |
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104 |
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105 virtual bool is_class_method (const std::string& = "") const |
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106 { return false; } |
7336 | 107 |
4748 | 108 virtual bool takes_varargs (void) const { return false; } |
109 | |
110 virtual bool takes_var_return (void) const { return false; } | |
111 | |
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112 // The next two functions are for dispatching to built-in |
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113 // functions given built-in classes. |
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114 |
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115 virtual void push_dispatch_class (const std::string&) { } |
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116 |
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117 virtual bool handles_dispatch_class (const std::string&) const |
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118 { return false; } |
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119 |
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120 void stash_dispatch_class (const std::string& nm) { xdispatch_class = nm; } |
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121 |
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122 std::string dispatch_class (void) const { return xdispatch_class; } |
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123 |
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124 void stash_package_name (const std::string& pack) { xpackage_name = pack; } |
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125 |
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126 std::string package_name (void) const { return xpackage_name; } |
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127 |
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128 virtual void |
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129 mark_as_private_function (const std::string& cname = "") |
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130 { |
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131 private_function = true; |
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132 xdispatch_class = cname; |
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133 } |
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134 |
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135 bool is_private_function (void) const { return private_function; } |
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136 |
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137 bool is_private_function_of_class (const std::string& nm) const |
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138 { return private_function && xdispatch_class == nm; } |
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139 |
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140 virtual bool |
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141 is_anonymous_function_of_class (const std::string& = "") const |
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142 { return false; } |
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143 |
7336 | 144 std::string dir_name (void) const { return my_dir_name; } |
145 | |
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146 void stash_dir_name (const std::string& dir) { my_dir_name = dir; } |
7336 | 147 |
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148 void lock (void) |
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149 { |
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150 this->lock_subfunctions (); |
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151 locked = true; |
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152 } |
7336 | 153 |
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154 void unlock (void) |
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155 { |
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156 this->unlock_subfunctions (); |
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157 locked = false; |
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158 } |
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160 bool islocked (void) const { return locked; } |
7336 | 161 |
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162 virtual void lock_subfunctions (void) { } |
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163 |
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164 virtual void unlock_subfunctions (void) { } |
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165 |
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166 virtual void maybe_relocate_end (void) { } |
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167 |
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168 // Not valid until after the function is completley parsed. |
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169 virtual bool has_subfunctions (void) const { return false; } |
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170 |
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171 virtual void stash_subfunction_names (const std::list<std::string>&) { } |
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172 |
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173 virtual std::list<std::string> subfunction_names (void) const |
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174 { |
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175 return std::list<std::string> (); |
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176 } |
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177 |
6323 | 178 void mark_relative (void) { relative = true; } |
179 | |
180 bool is_relative (void) const { return relative; } | |
181 | |
3523 | 182 std::string name (void) const { return my_name; } |
2974 | 183 |
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184 std::string canonical_name (void) const |
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185 { |
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186 if (xpackage_name.empty ()) |
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187 return my_name; |
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188 else |
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189 return xpackage_name + '.' + my_name; |
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190 } |
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191 |
5823 | 192 void document (const std::string& ds) { doc = ds; } |
193 | |
3523 | 194 std::string doc_string (void) const { return doc; } |
2974 | 195 |
3325 | 196 virtual void unload (void) { } |
197 | |
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198 virtual void accept (octave::tree_walker&) { } |
2976 | 199 |
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200 virtual bool accepts_postfix_index (char type) const |
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201 { return (type == '('); } |
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202 |
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203 virtual octave_value_list |
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204 call (octave::tree_evaluator& tw, int nargout = 0, |
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205 const octave_value_list& args = octave_value_list ()) = 0; |
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206 |
2974 | 207 protected: |
208 | |
5864 | 209 octave_function (const std::string& nm, |
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210 const std::string& ds = "") |
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211 : relative (false), locked (false), private_function (false), |
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212 xdispatch_class (), my_name (nm), my_dir_name (), doc (ds) { } |
6323 | 213 |
214 // TRUE if this function was found from a relative path element. | |
215 bool relative; | |
2974 | 216 |
7336 | 217 // TRUE if this function is tagged so that it can't be cleared. |
218 bool locked; | |
219 | |
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220 // TRUE means this is a private function. |
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221 bool private_function; |
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222 |
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223 // If this object is a class method or constructor, or a private |
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224 // function inside a class directory, this is the name of the class |
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225 // to which the method belongs. |
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226 std::string xdispatch_class; |
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227 |
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228 // If this function is part of a package, this is the full name |
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229 // of the package to which the function belongs. |
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230 std::string xpackage_name; |
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231 |
2974 | 232 // The name of this function. |
3523 | 233 std::string my_name; |
2974 | 234 |
7336 | 235 // The name of the directory in the path where we found this |
236 // function. May be relative. | |
237 std::string my_dir_name; | |
238 | |
2974 | 239 // The help text for this function. |
3523 | 240 std::string doc; |
2974 | 241 }; |
242 | |
243 #endif |