Mercurial > octave
annotate libinterp/parse-tree/pt-idx.h @ 23220:092078913d54
maint: Merge stable to default.
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 22 Feb 2017 12:58:07 -0500 |
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3 Copyright (C) 1996-2017 John W. Eaton |
2980 | 4 |
5 This file is part of Octave. | |
6 | |
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 |
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9 the Free Software Foundation; either version 3 of the License, or |
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10 (at your option) any later version. |
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12 Octave is distributed in the hope that it will be useful, but |
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13 WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 GNU General Public License for more details. |
2980 | 16 |
17 You should have received a copy of the GNU General Public License | |
7016 | 18 along with Octave; see the file COPYING. If not, see |
19 <http://www.gnu.org/licenses/>. | |
2980 | 20 |
21 */ | |
22 | |
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23 #if ! defined (octave_pt_idx_h) |
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24 #define octave_pt_idx_h 1 |
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26 #include "octave-config.h" |
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27 |
4219 | 28 #include <list> |
29 | |
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30 class octave_map; |
2980 | 31 class octave_value; |
32 class octave_value_list; | |
33 class octave_lvalue; | |
34 | |
35 #include "str-vec.h" | |
36 | |
37 #include "pt-exp.h" | |
7336 | 38 #include "symtab.h" |
2980 | 39 |
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40 namespace octave |
2980 | 41 { |
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42 class tree_argument_list; |
2980 | 43 |
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44 class tree_walker; |
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45 |
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46 // Index expressions. |
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48 class tree_index_expression : public tree_expression |
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49 { |
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50 public: |
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52 tree_index_expression (tree_expression *e = 0, tree_argument_list *lst = 0, |
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53 int l = -1, int c = -1, char t = '('); |
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55 tree_index_expression (tree_expression *e, const std::string& n, |
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56 int l = -1, int c = -1); |
2980 | 57 |
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58 tree_index_expression (tree_expression *e, tree_expression* df, |
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59 int l = -1, int c = -1); |
4267 | 60 |
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61 // No copying! |
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63 tree_index_expression (const tree_index_expression&) = delete; |
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64 |
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65 tree_index_expression& operator = (const tree_index_expression&) = delete; |
3933 | 66 |
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67 ~tree_index_expression (void); |
4131 | 68 |
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69 bool has_magic_end (void) const; |
2980 | 70 |
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71 void append (tree_argument_list *lst = 0, char t = '('); |
2991 | 72 |
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73 void append (const std::string& n); |
3930 | 74 |
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75 void append (tree_expression *df); |
2980 | 76 |
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77 bool is_index_expression (void) const { return true; } |
3930 | 78 |
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79 std::string name (void) const; |
2980 | 80 |
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81 tree_expression *expression (void) { return expr; } |
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83 std::list<tree_argument_list *> arg_lists (void) { return args; } |
3010 | 84 |
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85 std::string type_tags (void) { return type; } |
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87 std::list<string_vector> arg_names (void) { return arg_nm; } |
2980 | 88 |
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89 bool lvalue_ok (void) const { return expr->lvalue_ok (); } |
2980 | 90 |
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91 bool rvalue_ok (void) const { return true; } |
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93 octave_value rvalue1 (int nargout = 1); |
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94 |
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95 octave_value_list rvalue (int nargout); |
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96 |
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97 octave_value_list rvalue (int nargout, |
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98 const std::list<octave_lvalue> *lvalue_list); |
2980 | 99 |
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100 octave_lvalue lvalue (void); |
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102 tree_index_expression *dup (symbol_table::scope_id scope, |
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103 symbol_table::context_id context) const; |
2980 | 104 |
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105 void accept (tree_walker& tw); |
2980 | 106 |
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107 private: |
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108 |
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109 // The LHS of this index expression. |
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110 tree_expression *expr; |
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112 // The indices (only valid if type == paren || type == brace). |
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113 std::list<tree_argument_list *> args; |
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115 // The type of this index expression. |
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116 std::string type; |
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118 // The names of the arguments. Used for constant struct element |
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119 // references. |
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120 std::list<string_vector> arg_nm; |
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122 // The list of dynamic field names, if any. |
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123 std::list<tree_expression *> dyn_field; |
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125 tree_index_expression (int l, int c); |
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127 octave_map make_arg_struct (void) const; |
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129 std::string |
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130 get_struct_index |
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132 std::list<tree_expression *>::const_iterator p_dyn_field) const; |
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133 }; |
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134 } |
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136 #if defined (OCTAVE_USE_DEPRECATED_FUNCTIONS) |
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138 OCTAVE_DEPRECATED ("use 'octave::tree_index_expression' instead") |
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139 typedef octave::tree_index_expression tree_index_expression; |
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141 #endif | |
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142 |
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143 #endif |