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1 /* |
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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_variables_h) |
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24 #define octave_variables_h 1 |
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25 |
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26 class octave_function; |
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27 class symbol_record; |
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28 class symbol_table; |
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29 |
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30 class tree_identifier; |
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31 class octave_value; |
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32 class octave_value_list; |
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33 class octave_builtin; |
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34 class octave_mapper; |
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35 class string_vector; |
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36 |
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37 #include <string> |
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38 |
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39 #include "ov.h" |
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40 #include "ov-builtin.h" |
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41 #include "symtab.h" |
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42 |
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43 extern void initialize_symbol_tables (void); |
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44 |
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45 extern bool is_builtin_variable (const std::string&); |
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46 extern bool is_command_name (const std::string&); |
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47 extern bool is_mapper_function_name (const std::string&); |
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48 extern bool is_builtin_function_name (const std::string&); |
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49 extern bool is_globally_visible (const std::string&); |
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50 |
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51 extern octave_function * |
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52 is_valid_function (const octave_value&, const std::string& = std::string (), |
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53 bool warn = false); |
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54 |
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55 extern octave_function * |
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56 is_valid_function (const std::string&, const std::string& = std::string (), |
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57 bool warn = false); |
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58 |
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59 extern octave_function * |
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60 extract_function (const octave_value& arg, const std::string& warn_for, |
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61 const std::string& fname, const std::string& header, |
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62 const std::string& trailer); |
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63 |
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64 extern string_vector |
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65 get_struct_elts (const std::string& text); |
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66 |
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67 extern string_vector |
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68 generate_struct_completions (const std::string& text, std::string& prefix, |
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69 std::string& hint); |
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70 |
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71 extern bool |
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72 looks_like_struct (const std::string& text); |
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73 |
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74 extern int |
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75 symbol_exist (const std::string& name, |
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76 const std::string& type = std::string ()); |
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77 |
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78 extern bool lookup (symbol_record *s, bool exec_script = true); |
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79 |
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80 extern symbol_record * |
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81 lookup_by_name (const std::string& nm, bool exec_script = true); |
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82 |
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83 extern octave_value get_global_value (const std::string& nm); |
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84 |
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85 extern void set_global_value (const std::string& nm, const octave_value& val); |
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86 |
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87 extern std::string builtin_string_variable (const std::string&); |
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88 extern int builtin_real_scalar_variable (const std::string&, double&); |
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89 extern octave_value builtin_any_variable (const std::string&); |
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90 |
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91 extern void link_to_global_variable (symbol_record *sr); |
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92 extern void link_to_builtin_or_function (symbol_record *sr); |
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93 |
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94 extern void force_link_to_function (const std::string&); |
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95 |
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96 extern void bind_ans (const octave_value& val, bool print); |
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97 |
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98 extern void bind_global_error_variable (void); |
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99 |
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100 extern void clear_global_error_variable (void *); |
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101 |
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102 extern void |
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103 bind_builtin_constant (const std::string&, const octave_value&, |
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104 bool protect = false, bool eternal = false, |
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105 const std::string& help = std::string ()); |
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106 |
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107 extern void |
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108 bind_builtin_variable (const std::string&, const octave_value&, |
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109 bool protect = false, bool eternal = false, |
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110 symbol_record::change_function f = 0, |
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111 const std::string& help = std::string ()); |
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112 |
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113 extern void mlock (const std::string&); |
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114 extern void munlock (const std::string&); |
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115 extern bool mislocked (const std::string&); |
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116 |
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117 // Symbol table for symbols at the top level. |
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118 extern symbol_table *top_level_sym_tab; |
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119 |
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120 // Symbol table for the current scope. |
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121 extern symbol_table *curr_sym_tab; |
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122 |
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123 // Symbol table for the current caller scope. |
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124 extern symbol_table *curr_caller_sym_tab; |
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125 |
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126 // Symbol table for global symbols. |
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127 extern symbol_table *global_sym_tab; |
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128 |
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129 // Symbol table for functions and built-in symbols. |
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130 extern symbol_table *fbi_sym_tab; |
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131 |
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132 #endif |
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133 |
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134 /* |
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135 ;;; Local Variables: *** |
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136 ;;; mode: C++ *** |
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137 ;;; End: *** |
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138 */ |
