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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 3 of the License, or (at your |
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10 option) any 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, see |
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19 <http://www.gnu.org/licenses/>. |
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20 |
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21 */ |
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22 |
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23 #if !defined (octave_tree_arg_list_h) |
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24 #define octave_tree_arg_list_h 1 |
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25 |
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26 #include <list> |
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27 |
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28 class octave_value_list; |
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29 class octave_lvalue; |
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30 class tree_expression; |
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31 class tree_walker; |
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32 |
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33 #include "str-vec.h" |
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34 |
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35 #include "base-list.h" |
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36 |
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37 // Argument lists. Used to hold the list of expressions that are the |
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38 // arguments in a function call or index expression. |
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39 |
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40 class |
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41 tree_argument_list : public octave_base_list<tree_expression *> |
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42 { |
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43 public: |
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44 |
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45 typedef tree_expression* element_type; |
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46 |
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47 tree_argument_list (void) |
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48 : list_includes_magic_end (false), simple_assign_lhs (false) { } |
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49 |
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50 tree_argument_list (tree_expression *t) |
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51 : list_includes_magic_end (false), simple_assign_lhs (false) |
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52 { append (t); } |
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53 |
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54 ~tree_argument_list (void); |
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55 |
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56 bool has_magic_end (void) const; |
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57 |
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58 tree_expression *remove_front (void) |
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59 { |
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60 iterator p = begin (); |
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61 tree_expression *retval = *p; |
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62 erase (p); |
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63 return retval; |
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64 } |
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65 |
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66 void append (const element_type& s); |
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67 |
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68 void mark_as_simple_assign_lhs (void) { simple_assign_lhs = true; } |
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69 |
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70 bool is_simple_assign_lhs (void) { return simple_assign_lhs; } |
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71 |
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72 bool all_elements_are_constant (void) const; |
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73 |
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74 octave_value_list convert_to_const_vector (const octave_value *object = 0); |
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75 |
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76 std::list<octave_lvalue> lvalue_list (void); |
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77 |
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78 string_vector get_arg_names (void) const; |
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79 |
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80 tree_argument_list *dup (symbol_table *sym_tab); |
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81 |
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82 void accept (tree_walker& tw); |
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83 |
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84 private: |
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85 |
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86 bool list_includes_magic_end; |
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87 |
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88 bool simple_assign_lhs; |
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89 |
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90 // No copying! |
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91 |
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92 tree_argument_list (const tree_argument_list&); |
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93 |
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94 tree_argument_list& operator = (const tree_argument_list&); |
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95 }; |
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96 |
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97 #endif |
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98 |
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99 /* |
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100 ;;; Local Variables: *** |
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101 ;;; mode: C++ *** |
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102 ;;; End: *** |
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103 */ |
