Mercurial > hg > octave-nkf
annotate src/defun-int.h @ 10637:9cd5aa83fa62
implement 'local' parameter to pseudo-variables
| author | Jaroslav Hajek <highegg@gmail.com> |
|---|---|
| date | Mon, 17 May 2010 13:46:57 +0200 |
| parents | f3b65e1ae355 |
| children | ed6969880316 |
| rev | line source |
|---|---|
| 525 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, |
| 8920 | 4 2003, 2004, 2005, 2006, 2007, 2008, 2009 John W. Eaton |
| 525 | 5 |
| 6 This file is part of Octave. | |
| 7 | |
| 8 Octave is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
| 11 option) any later version. | |
| 525 | 12 |
| 13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 7016 | 19 along with Octave; see the file COPYING. If not, see |
| 20 <http://www.gnu.org/licenses/>. | |
| 525 | 21 |
| 22 */ | |
| 23 | |
| 24 #if !defined (octave_defun_int_h) | |
| 25 #define octave_defun_int_h 1 | |
| 26 | |
| 2968 | 27 #include <string> |
| 28 | |
| 3145 | 29 #include "ov-builtin.h" |
| 3325 | 30 #include "ov-dld-fcn.h" |
| 3145 | 31 #include "symtab.h" |
| 3015 | 32 #include "version.h" |
| 33 | |
| 2968 | 34 class octave_value; |
| 35 | |
| 6109 | 36 extern OCTINTERP_API void print_usage (void); |
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37 extern OCTINTERP_API void print_usage (const std::string&); |
| 3014 | 38 |
| 6109 | 39 extern OCTINTERP_API void check_version (const std::string& version, const std::string& fcn); |
| 3015 | 40 |
| 6109 | 41 extern OCTINTERP_API void |
| 3523 | 42 install_builtin_function (octave_builtin::fcn f, const std::string& name, |
| 10313 | 43 const std::string& doc, |
| 44 bool can_hide_function = true); | |
| 2968 | 45 |
| 6109 | 46 extern OCTINTERP_API void |
| 3523 | 47 install_dld_function (octave_dld_function::fcn f, const std::string& name, |
| 10313 | 48 const octave_shlib& shl, const std::string& doc, |
| 49 bool relative = false); | |
| 703 | 50 |
| 6109 | 51 extern OCTINTERP_API void |
| 5864 | 52 install_mex_function (void *fptr, bool fmex, const std::string& name, |
| 10313 | 53 const octave_shlib& shl, bool relative = false); |
| 5864 | 54 |
| 6109 | 55 extern OCTINTERP_API void |
| 3523 | 56 alias_builtin (const std::string& alias, const std::string& name); |
| 703 | 57 |
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58 // Gets the shlib of the currently executing DLD function, if any. |
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59 extern OCTINTERP_API octave_shlib |
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60 get_current_shlib (void); |
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61 |
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62 // This is a convenience class that calls the above function automatically at |
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63 // construction time. When deriving new classes, you can either use it as a field |
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64 // or as a parent (with multiple inheritance). |
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65 |
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66 class octave_auto_shlib : public octave_shlib |
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67 { |
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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 |
| 3743 | 74 #define DECLARE_FUNX(name, args_name, nargout_name) \ |
| 6109 | 75 OCTAVE_EXPORT octave_value_list \ |
| 3743 | 76 name (const octave_value_list& args_name, int nargout_name) |
| 77 | |
| 78 #define DECLARE_FUN(name, args_name, nargout_name) \ | |
| 79 DECLARE_FUNX (F ## name, args_name, nargout_name) | |
| 2968 | 80 |
| 3325 | 81 // Define the code that will be used to insert the new function into |
| 82 // the symbol table. We look for this name instead of the actual | |
| 3523 | 83 // function so that we can easily install the doc std::string too. |
| 3325 | 84 |
| 6323 | 85 typedef bool (*octave_dld_fcn_installer) (const octave_shlib&, bool relative); |
| 3325 | 86 |
| 7336 | 87 typedef octave_function * (*octave_dld_fcn_getter) (const octave_shlib&, bool relative); |
| 88 | |
| 3325 | 89 #define DEFINE_FUN_INSTALLER_FUN(name, doc) \ |
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90 DEFINE_FUNX_INSTALLER_FUN(#name, F ## name, G ## name, doc) |
| 5796 | 91 |
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92 #define DEFINE_FUNX_INSTALLER_FUN(name, fname, gname, doc) \ |
| 7336 | 93 extern "C" \ |
| 94 OCTAVE_EXPORT \ | |
| 95 octave_function * \ | |
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96 gname (const octave_shlib& shl, bool relative) \ |
| 7336 | 97 { \ |
| 98 octave_function *retval = 0; \ | |
| 99 \ | |
| 100 check_version (OCTAVE_API_VERSION, name); \ | |
| 101 \ | |
| 102 if (! error_state) \ | |
| 103 { \ | |
| 10313 | 104 octave_dld_function *fcn = octave_dld_function::create (fname, shl, name, doc); \ |
| 7336 | 105 \ |
| 106 if (relative) \ | |
| 107 fcn->mark_relative (); \ | |
| 108 \ | |
| 109 retval = fcn; \ | |
| 110 } \ | |
| 111 \ | |
| 112 return retval; \ | |
| 3325 | 113 } |
| 114 | |
| 3295 | 115 // MAKE_BUILTINS is defined to extract function names and related |
| 116 // information and create the *.df files that are eventually used to | |
| 117 // create the builtins.cc file. | |
| 118 | |
| 119 #if defined (MAKE_BUILTINS) | |
| 120 | |
| 121 // Generate code to install name in the symbol table. The script | |
| 122 // mkdefs will create a .def file for every .cc file that uses DEFUN, | |
| 4208 | 123 // or DEFCMD. |
| 3295 | 124 |
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125 #define DEFUN_INTERNAL(name, args_name, nargout_name, doc) \ |
| 3295 | 126 BEGIN_INSTALL_BUILTIN \ |
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127 XDEFUN_INTERNAL (name, args_name, nargout_name, doc) \ |
| 3295 | 128 END_INSTALL_BUILTIN |
| 129 | |
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130 #define DEFCONSTFUN_INTERNAL(name, args_name, nargout_name, doc) \ |
| 4234 | 131 BEGIN_INSTALL_BUILTIN \ |
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132 XDEFCONSTFUN_INTERNAL (name, args_name, nargout_name, doc) \ |
| 4234 | 133 END_INSTALL_BUILTIN |
| 134 | |
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135 #define DEFUNX_INTERNAL(name, fname, args_name, nargout_name, doc) \ |
| 3743 | 136 BEGIN_INSTALL_BUILTIN \ |
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137 XDEFUNX_INTERNAL (name, fname, args_name, nargout_name, doc) \ |
| 3743 | 138 END_INSTALL_BUILTIN |
| 139 | |
| 3364 | 140 // Generate code to install name in the symbol table. The script |
| 141 // mkdefs will create a .def file for every .cc file that uses | |
| 142 // DEFUN_DLD. | |
| 143 | |
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144 #define DEFUN_DLD_INTERNAL(name, args_name, nargout_name, doc) \ |
| 3364 | 145 BEGIN_INSTALL_BUILTIN \ |
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146 XDEFUN_DLD_INTERNAL (name, args_name, nargout_name, doc) \ |
| 3364 | 147 END_INSTALL_BUILTIN |
| 148 | |
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149 #define DEFUNX_DLD_INTERNAL(name, fname, args_name, nargout_name, doc) \ |
| 5796 | 150 BEGIN_INSTALL_BUILTIN \ |
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151 XDEFUNX_DLD_INTERNAL (name, fname, args_name, nargout_name, doc) \ |
| 5796 | 152 END_INSTALL_BUILTIN |
| 153 | |
| 3295 | 154 // Generate code for making another name for an existing function. |
| 155 | |
| 156 #define DEFALIAS_INTERNAL(alias, name) \ | |
| 157 BEGIN_INSTALL_BUILTIN \ | |
| 158 XDEFALIAS_INTERNAL(alias, name) \ | |
| 159 END_INSTALL_BUILTIN | |
| 160 | |
| 161 #else /* ! MAKE_BUILTINS */ | |
| 162 | |
| 163 // Generate the first line of the function definition. This ensures | |
| 164 // that the internal functions all have the same signature. | |
| 165 | |
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166 #define DEFUN_INTERNAL(name, args_name, nargout_name, doc) \ |
| 3295 | 167 DECLARE_FUN (name, args_name, nargout_name) |
| 168 | |
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169 #define DEFCONSTFUN_INTERNAL(name, args_name, nargout_name, doc) \ |
| 4234 | 170 DECLARE_FUN (name, args_name, nargout_name) |
| 171 | |
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172 #define DEFUNX_INTERNAL(name, fname, args_name, nargout_name, doc) \ |
| 3743 | 173 DECLARE_FUNX (fname, args_name, nargout_name) |
| 174 | |
| 3295 | 175 // No definition is required for an alias. |
| 176 | |
| 4699 | 177 #define DEFALIAS_INTERNAL(alias, name) |
| 3295 | 178 |
| 179 #endif /* ! MAKE_BUILTINS */ | |
| 180 | |
| 525 | 181 #endif |