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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_parse_h) |
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24 #define octave_parse_h 1 |
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25 |
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26 #include <cstdio> |
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27 |
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28 #include <string> |
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29 |
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30 #include "SLStack.h" |
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31 |
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32 extern void reset_parser (void); |
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33 extern int yylex (void); |
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34 extern int yyparse (void); |
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35 |
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36 class tree; |
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37 class tree_matrix; |
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38 class tree_identifier; |
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39 class symbol_record; |
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40 class symbol_table; |
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41 class octave_value; |
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42 class octave_value_list; |
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43 |
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44 // Temporary symbol table pointer used to cope with bogus function syntax. |
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45 extern symbol_table *tmp_local_sym_tab; |
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46 |
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47 // Nonzero means print parser debugging info (-d). |
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48 extern int yydebug; |
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49 |
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50 // The current input line number. |
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51 extern int input_line_number; |
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52 |
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53 // The column of the current token. |
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54 extern int current_input_column; |
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55 |
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56 // Buffer for help text snagged from function files. |
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57 extern string help_buf; |
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58 |
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59 // TRUE means we are using readline. |
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60 extern bool line_editing; |
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61 |
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62 // TRUE means we printed messages about reading startup files. |
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63 extern bool reading_startup_message_printed; |
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64 |
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65 // TRUE means input is coming from startup file. |
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66 extern bool input_from_startup_file; |
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67 |
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68 // TRUE means that input is coming from a file that was named on |
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69 // the command line. |
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70 extern bool input_from_command_line_file; |
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71 |
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72 // TRUE means that we are in the process of evaluating a function |
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73 // body. The parser might be called in that case if we are looking at |
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74 // an eval() statement. |
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75 extern bool evaluating_function_body; |
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76 |
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77 // TRUE means warn about function files that have time stamps in the future. |
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78 extern bool Vwarn_future_time_stamp; |
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79 |
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80 extern void |
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81 parse_and_execute (FILE *f); |
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82 |
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83 extern void |
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84 parse_and_execute (const string& s, bool verbose = false, |
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85 const char *warn_for = 0); |
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86 |
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87 extern string get_help_from_file (const string& f); |
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88 |
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89 extern bool |
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90 load_fcn_from_file (symbol_record *sym_rec, bool exec_script); |
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91 |
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92 extern octave_value_list |
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93 feval (const string& name, const octave_value_list& args, int nargout); |
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94 |
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95 extern octave_value_list |
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96 feval (const octave_value_list& args, int nargout); |
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97 |
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98 extern octave_value_list |
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99 eval_string (const string&, bool silent, int& parse_status, int hargout); |
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100 |
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101 extern octave_value |
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102 eval_string (const string&, bool silent, int& parse_status); |
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103 |
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104 #endif |
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105 |
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106 /* |
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107 ;;; Local Variables: *** |
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108 ;;; mode: C++ *** |
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109 ;;; End: *** |
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110 */ |
