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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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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 the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #if !defined (octave_defun_int_h) |
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24 #define octave_defun_int_h 1 |
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25 |
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26 #include "variables.h" |
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27 |
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28 // MAKE_BUILTINS is defined to extract function names and related |
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29 // information and create the *.def files that are eventually used to |
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30 // create the buitlins.cc file. |
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31 |
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32 #ifdef MAKE_BUILTINS |
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33 |
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34 // Generate code to install name in the symbol table. The script |
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35 // mkdefs will create a .def file for every .cc file that uses DEFUN, |
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36 // DEFUN_TEXT, or DEFUN_DLD. |
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37 |
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38 #define DEFUN_INTERNAL(name, args_name, nargout_name, is_text_fcn, doc) \ |
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39 BEGIN_INSTALL_BUILTIN \ |
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40 extern DECLARE_FUN (name, args_name, nargout_name); \ |
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41 DEFINE_FUN_STRUCT (name, is_text_fcn, doc); \ |
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42 install_builtin_function (S ## name); \ |
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43 END_INSTALL_BUILTIN |
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44 |
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45 // Generate code for making another name for an existing function. |
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46 |
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47 #define DEFALIAS_INTERNAL(alias, name) \ |
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48 BEGIN_INSTALL_BUILTIN \ |
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49 alias_builtin (#alias, #name); \ |
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50 END_INSTALL_BUILTIN |
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51 |
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52 #else /* ! MAKE_BUILTINS */ |
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53 |
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54 // Generate the first line of the function definition. This ensures |
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55 // that the internal functions all have the same signature. |
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56 |
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57 #define DEFUN_INTERNAL(name, args_name, nargout_name, is_text_fcn, doc) \ |
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58 DECLARE_FUN (name, args_name, nargout_name) |
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59 |
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60 // No definition is required for an alias. |
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61 |
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62 #define DEFALIAS_INTERNAL(name, alias) |
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63 |
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64 #endif /* ! MAKE_BUILTINS */ |
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65 |
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66 // Define the structure that will be used to insert this function into |
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67 // the symbol table. |
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68 |
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69 #define DEFINE_FUN_STRUCT(name, is_text_fcn, doc) \ |
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70 static builtin_function S ## name (#name, is_text_fcn, F ## name, doc) |
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71 |
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72 #define DEFINE_FUN_STRUCT_FUN(name) \ |
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73 builtin_function& \ |
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74 FS ## name (void) \ |
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75 { \ |
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76 return S ## name; \ |
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77 } |
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78 |
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79 #define DECLARE_FUN(name, args_name, nargout_name) \ |
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80 octave_value_list F ## name (const octave_value_list& args_name, int nargout_name) |
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81 |
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82 #endif |
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83 |
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84 /* |
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85 ;;; Local Variables: *** |
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86 ;;; mode: C++ *** |
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87 ;;; End: *** |
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88 */ |
