Mercurial > octave
annotate libinterp/interp-core/defun-int.h @ 15421:cd6ce11b9c57
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| author | John W. Eaton <jwe@octave.org> |
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| date | Wed, 19 Sep 2012 15:13:19 -0400 |
| parents | 2e5ba861898f |
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| rev | line source |
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| 525 | 1 /* |
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3 Copyright (C) 1994-2012 John W. Eaton |
| 525 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 525 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 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/>. | |
| 525 | 20 |
| 21 */ | |
| 22 | |
| 23 #if !defined (octave_defun_int_h) | |
| 24 #define octave_defun_int_h 1 | |
| 25 | |
| 2968 | 26 #include <string> |
| 27 | |
| 3145 | 28 #include "ov-builtin.h" |
| 3325 | 29 #include "ov-dld-fcn.h" |
| 3145 | 30 #include "symtab.h" |
| 3015 | 31 #include "version.h" |
| 32 | |
| 2968 | 33 class octave_value; |
| 34 | |
| 6109 | 35 extern OCTINTERP_API void print_usage (void); |
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36 extern OCTINTERP_API void print_usage (const std::string&); |
| 3014 | 37 |
| 6109 | 38 extern OCTINTERP_API void check_version (const std::string& version, const std::string& fcn); |
| 3015 | 39 |
| 6109 | 40 extern OCTINTERP_API void |
| 3523 | 41 install_builtin_function (octave_builtin::fcn f, const std::string& name, |
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42 const std::string& file, const std::string& doc, |
| 10313 | 43 bool can_hide_function = true); |
| 2968 | 44 |
| 6109 | 45 extern OCTINTERP_API void |
| 3523 | 46 install_dld_function (octave_dld_function::fcn f, const std::string& name, |
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47 const octave_shlib& shl, const std::string& doc, |
| 10313 | 48 bool relative = false); |
| 703 | 49 |
| 6109 | 50 extern OCTINTERP_API void |
| 5864 | 51 install_mex_function (void *fptr, bool fmex, const std::string& name, |
| 10313 | 52 const octave_shlib& shl, bool relative = false); |
| 5864 | 53 |
| 6109 | 54 extern OCTINTERP_API void |
| 3523 | 55 alias_builtin (const std::string& alias, const std::string& name); |
| 703 | 56 |
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57 // Gets the shlib of the currently executing DLD function, if any. |
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58 extern OCTINTERP_API octave_shlib |
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59 get_current_shlib (void); |
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60 |
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61 // This is a convenience class that calls the above function automatically at |
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62 // construction time. When deriving new classes, you can either use it as a field |
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63 // or as a parent (with multiple inheritance). |
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64 |
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65 class octave_auto_shlib : public octave_shlib |
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66 { |
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67 public: |
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68 octave_auto_shlib (void) |
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69 : octave_shlib (get_current_shlib ()) { } |
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70 octave_auto_shlib (const octave_shlib& shl) |
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71 : octave_shlib (shl) { } |
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72 }; |
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73 |
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74 extern OCTINTERP_API bool |
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75 defun_isargout (int, int); |
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76 |
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77 extern OCTINTERP_API void |
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78 defun_isargout (int, int, bool *); |
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79 |
| 3743 | 80 #define DECLARE_FUNX(name, args_name, nargout_name) \ |
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81 OCTAVE_EXPORT octave_value_list \ |
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82 name (const octave_value_list& args_name, int nargout_name) |
| 3743 | 83 |
| 84 #define DECLARE_FUN(name, args_name, nargout_name) \ | |
| 85 DECLARE_FUNX (F ## name, args_name, nargout_name) | |
| 2968 | 86 |
| 3325 | 87 // Define the code that will be used to insert the new function into |
| 88 // the symbol table. We look for this name instead of the actual | |
| 3523 | 89 // function so that we can easily install the doc std::string too. |
| 3325 | 90 |
| 6323 | 91 typedef bool (*octave_dld_fcn_installer) (const octave_shlib&, bool relative); |
| 3325 | 92 |
| 7336 | 93 typedef octave_function * (*octave_dld_fcn_getter) (const octave_shlib&, bool relative); |
| 94 | |
| 3325 | 95 #define DEFINE_FUN_INSTALLER_FUN(name, doc) \ |
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96 DEFINE_FUNX_INSTALLER_FUN(#name, F ## name, G ## name, doc) |
| 5796 | 97 |
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98 #define DEFINE_FUNX_INSTALLER_FUN(name, fname, gname, doc) \ |
| 7336 | 99 extern "C" \ |
| 100 OCTAVE_EXPORT \ | |
| 101 octave_function * \ | |
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102 gname (const octave_shlib& shl, bool relative) \ |
| 7336 | 103 { \ |
| 104 octave_function *retval = 0; \ | |
| 105 \ | |
| 106 check_version (OCTAVE_API_VERSION, name); \ | |
| 107 \ | |
| 108 if (! error_state) \ | |
| 109 { \ | |
| 10313 | 110 octave_dld_function *fcn = octave_dld_function::create (fname, shl, name, doc); \ |
| 7336 | 111 \ |
| 112 if (relative) \ | |
| 113 fcn->mark_relative (); \ | |
| 114 \ | |
| 115 retval = fcn; \ | |
| 116 } \ | |
| 117 \ | |
| 118 return retval; \ | |
| 3325 | 119 } |
| 120 | |
| 3295 | 121 // MAKE_BUILTINS is defined to extract function names and related |
| 122 // information and create the *.df files that are eventually used to | |
| 123 // create the builtins.cc file. | |
| 124 | |
| 125 #if defined (MAKE_BUILTINS) | |
| 126 | |
| 127 // Generate code to install name in the symbol table. The script | |
| 128 // mkdefs will create a .def file for every .cc file that uses DEFUN, | |
| 4208 | 129 // or DEFCMD. |
| 3295 | 130 |
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131 #define DEFUN_INTERNAL(name, args_name, nargout_name, doc) \ |
| 3295 | 132 BEGIN_INSTALL_BUILTIN \ |
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133 XDEFUN_INTERNAL (name, args_name, nargout_name, doc) \ |
| 3295 | 134 END_INSTALL_BUILTIN |
| 135 | |
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136 #define DEFCONSTFUN_INTERNAL(name, args_name, nargout_name, doc) \ |
| 4234 | 137 BEGIN_INSTALL_BUILTIN \ |
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138 XDEFCONSTFUN_INTERNAL (name, args_name, nargout_name, doc) \ |
| 4234 | 139 END_INSTALL_BUILTIN |
| 140 | |
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141 #define DEFUNX_INTERNAL(name, fname, args_name, nargout_name, doc) \ |
| 3743 | 142 BEGIN_INSTALL_BUILTIN \ |
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143 XDEFUNX_INTERNAL (name, fname, args_name, nargout_name, doc) \ |
| 3743 | 144 END_INSTALL_BUILTIN |
| 145 | |
| 3364 | 146 // Generate code to install name in the symbol table. The script |
| 147 // mkdefs will create a .def file for every .cc file that uses | |
| 148 // DEFUN_DLD. | |
| 149 | |
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150 #define DEFUN_DLD_INTERNAL(name, args_name, nargout_name, doc) \ |
| 3364 | 151 BEGIN_INSTALL_BUILTIN \ |
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152 XDEFUN_DLD_INTERNAL (name, args_name, nargout_name, doc) \ |
| 3364 | 153 END_INSTALL_BUILTIN |
| 154 | |
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155 #define DEFUNX_DLD_INTERNAL(name, fname, args_name, nargout_name, doc) \ |
| 5796 | 156 BEGIN_INSTALL_BUILTIN \ |
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157 XDEFUNX_DLD_INTERNAL (name, fname, args_name, nargout_name, doc) \ |
| 5796 | 158 END_INSTALL_BUILTIN |
| 159 | |
| 3295 | 160 // Generate code for making another name for an existing function. |
| 161 | |
| 162 #define DEFALIAS_INTERNAL(alias, name) \ | |
| 163 BEGIN_INSTALL_BUILTIN \ | |
| 164 XDEFALIAS_INTERNAL(alias, name) \ | |
| 165 END_INSTALL_BUILTIN | |
| 166 | |
| 167 #else /* ! MAKE_BUILTINS */ | |
| 168 | |
| 169 // Generate the first line of the function definition. This ensures | |
| 170 // that the internal functions all have the same signature. | |
| 171 | |
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172 #define DEFUN_INTERNAL(name, args_name, nargout_name, doc) \ |
| 3295 | 173 DECLARE_FUN (name, args_name, nargout_name) |
| 174 | |
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175 #define DEFCONSTFUN_INTERNAL(name, args_name, nargout_name, doc) \ |
| 4234 | 176 DECLARE_FUN (name, args_name, nargout_name) |
| 177 | |
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178 #define DEFUNX_INTERNAL(name, fname, args_name, nargout_name, doc) \ |
| 3743 | 179 DECLARE_FUNX (fname, args_name, nargout_name) |
| 180 | |
| 3295 | 181 // No definition is required for an alias. |
| 182 | |
| 4699 | 183 #define DEFALIAS_INTERNAL(alias, name) |
| 3295 | 184 |
| 185 #endif /* ! MAKE_BUILTINS */ | |
| 186 | |
| 525 | 187 #endif |