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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 <string> |
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27 |
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28 class octave_value; |
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29 |
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30 // XXX FIXME XXX -- change to use actual pointer types instead of void* |
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31 // when things are not changing as rapidly. |
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32 |
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33 extern void |
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34 install_builtin_mapper (void *mf); |
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35 |
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36 extern void |
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37 install_builtin_function (void *f, const string& name, const string& doc, |
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38 bool is_text_fcn = false); |
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39 |
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40 extern void |
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41 install_builtin_variable (const string& n, const octave_value& v, |
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42 bool iaf, bool p, bool e, void *svf, |
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43 const string& h); |
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44 |
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45 extern void |
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46 alias_builtin (const string& alias, const string& name); |
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47 |
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48 // MAKE_BUILTINS is defined to extract function names and related |
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49 // information and create the *.def files that are eventually used to |
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50 // create the buitlins.cc file. |
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51 |
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52 #ifdef MAKE_BUILTINS |
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53 |
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54 // Generate code to install name in the symbol table. The script |
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55 // mkdefs will create a .def file for every .cc file that uses DEFUN, |
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56 // DEFUN_TEXT, or DEFUN_DLD. |
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57 |
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58 #define DEFUN_INTERNAL(name, args_name, nargout_name, is_text_fcn, doc) \ |
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59 BEGIN_INSTALL_BUILTIN \ |
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60 extern DECLARE_FUN (name, args_name, nargout_name); \ |
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61 install_builtin_function (F ## name, #name, doc, is_text_fcn); \ |
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62 END_INSTALL_BUILTIN |
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63 |
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64 // Generate code for making another name for an existing function. |
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65 |
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66 #define DEFALIAS_INTERNAL(alias, name) \ |
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67 BEGIN_INSTALL_BUILTIN \ |
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68 alias_builtin (#alias, #name); \ |
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69 END_INSTALL_BUILTIN |
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70 |
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71 #else /* ! MAKE_BUILTINS */ |
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72 |
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73 // Generate the first line of the function definition. This ensures |
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74 // that the internal functions all have the same signature. |
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75 |
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76 #define DEFUN_INTERNAL(name, args_name, nargout_name, is_text_fcn, doc) \ |
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77 DECLARE_FUN (name, args_name, nargout_name) |
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78 |
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79 // No definition is required for an alias. |
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80 |
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81 #define DEFALIAS_INTERNAL(name, alias) |
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82 |
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83 #endif /* ! MAKE_BUILTINS */ |
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84 |
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85 // Define the structure that will be used to insert this function into |
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86 // the symbol table. |
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87 |
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88 #define DEFINE_FUN_INSTALLER_FUN(name, doc) \ |
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89 bool \ |
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90 FS ## name (void) \ |
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91 { \ |
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92 static bool installed = false; \ |
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93 if (! installed) \ |
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94 install_builtin_function (F ## name, #name, doc); \ |
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95 return installed; \ |
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96 } |
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97 |
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98 #define DECLARE_FUN(name, args_name, nargout_name) \ |
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99 octave_value_list \ |
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100 F ## name (const octave_value_list& args_name, int nargout_name) |
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101 |
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102 // How builtin variables are actually installed. |
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103 |
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104 #define DEFVAR_INTERNAL(name, sname, defn, inst_as_fcn, protect, \ |
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105 chg_fcn, doc) \ |
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106 install_builtin_variable (name, octave_value (defn), inst_as_fcn, \ |
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107 protect, (chg_fcn != 0), chg_fcn, doc) |
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108 |
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109 // How mapper functions are actually installed. |
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110 |
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111 #define DEFUN_MAPPER_INTERNAL(name, ch_map, d_d_map, d_c_map, c_c_map, \ |
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112 lo, hi, can_ret_cmplx_for_real, doc) \ |
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113 install_builtin_mapper \ |
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114 (new octave_mapper (ch_map, d_d_map, d_c_map, c_c_map, lo, hi, \ |
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115 can_ret_cmplx_for_real, #name)) |
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116 |
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117 #endif |
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118 |
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119 /* |
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120 ;;; Local Variables: *** |
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121 ;;; mode: C++ *** |
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122 ;;; End: *** |
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123 */ |
