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1 // defun-int.h -*- C++ -*- |
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2 /* |
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3 |
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4 Copyright (C) 1996 John W. Eaton |
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5 |
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6 This file is part of Octave. |
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7 |
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8 Octave is free software; you can redistribute it and/or modify it |
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9 under the terms of the GNU General Public License as published by the |
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10 Free Software Foundation; either version 2, or (at your option) any |
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11 later version. |
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12 |
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13 Octave is distributed in the hope that it will be useful, but WITHOUT |
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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16 for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with Octave; see the file COPYING. If not, write to the Free |
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20 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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21 |
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22 */ |
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23 |
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24 #if !defined (octave_defun_int_h) |
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25 #define octave_defun_int_h 1 |
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26 |
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27 // MAKE_BUILTINS is defined to extract function names and related |
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28 // information and create the *.def files that are eventually used to |
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29 // create the buitlins.cc file. |
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30 |
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31 #ifdef MAKE_BUILTINS |
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32 |
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33 // Generate code to install name in the symbol table. The script |
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34 // mkdefs will create a .def file for every .cc file that uses DEFUN, |
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35 // DEFUN_TEXT, or DEFUN_DLD. |
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36 |
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37 #define DEFUN_INTERNAL(name, args_name, nargout_name, is_text_fcn, doc) \ |
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38 BEGIN_INSTALL_BUILTIN \ |
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39 extern DECLARE_FUN (name, args_name, nargout_name); \ |
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40 DEFINE_FUN_STRUCT (name, is_text_fcn, doc); \ |
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41 install_builtin_function (S ## name); \ |
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42 END_INSTALL_BUILTIN |
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43 |
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44 // Generate code for making another name for an existing function. |
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45 |
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46 #define DEFALIAS_INTERNAL(alias, name) \ |
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47 BEGIN_INSTALL_BUILTIN \ |
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48 alias_builtin (#alias, #name); \ |
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49 END_INSTALL_BUILTIN |
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50 |
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51 #else /* ! MAKE_BUILTINS */ |
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52 |
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53 // Generate the first line of the function definition. This ensures |
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54 // that the internal functions all have the same signature. |
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55 |
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56 #define DEFUN_INTERNAL(name, args_name, nargout_name, is_text_fcn, doc) \ |
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57 DECLARE_FUN (name, args_name, nargout_name) |
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58 |
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59 // No definition is required for an alias. |
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60 |
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61 #define DEFALIAS_INTERNAL(name, alias) |
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62 |
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63 #endif /* ! MAKE_BUILTINS */ |
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64 |
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65 // Define the structure that will be used to insert this function into |
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66 // the symbol table. |
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67 |
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68 #define DEFINE_FUN_STRUCT(name, is_text_fcn, doc) \ |
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69 static builtin_function S ## name (#name, is_text_fcn, F ## name, doc) |
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70 |
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71 #define DEFINE_FUN_STRUCT_FUN(name) \ |
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72 builtin_function& \ |
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73 FS ## name (void) \ |
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74 { \ |
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75 return S ## name; \ |
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76 } |
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77 |
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78 #define DECLARE_FUN(name, args_name, nargout_name) \ |
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79 Octave_object F ## name (const Octave_object& args_name, int nargout_name) |
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80 |
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81 #endif |
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82 |
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83 /* |
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84 ;;; Local Variables: *** |
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85 ;;; mode: C++ *** |
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86 ;;; page-delimiter: "^/\\*" *** |
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87 ;;; End: *** |
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88 */ |
