Mercurial > octave
annotate libinterp/parse-tree/pt-unop.h @ 23219:3ac9f9ecfae5 stable
maint: Update copyright dates.
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Wed, 22 Feb 2017 12:39:29 -0500 |
| parents | e9a0469dedd9 |
| children | 092078913d54 |
| rev | line source |
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| 2980 | 1 /* |
| 2 | |
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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 | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 2980 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 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_unop_h) |
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24 #define octave_pt_unop_h 1 |
| 2980 | 25 |
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26 #include "octave-config.h" |
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27 |
| 2980 | 28 #include <string> |
| 29 | |
| 30 class tree_walker; | |
| 31 | |
| 32 class octave_value; | |
| 33 class octave_value_list; | |
| 34 class octave_lvalue; | |
| 35 | |
| 36 #include "pt-exp.h" | |
| 7336 | 37 #include "symtab.h" |
| 2980 | 38 |
| 39 // Unary expressions. | |
| 40 | |
| 41 class | |
| 42 tree_unary_expression : public tree_expression | |
| 43 { | |
| 44 public: | |
| 45 | |
| 3203 | 46 tree_unary_expression (int l = -1, int c = -1, |
| 10313 | 47 octave_value::unary_op t |
| 48 = octave_value::unknown_unary_op) | |
| 3203 | 49 : tree_expression (l, c), op (0), etype (t) { } |
| 2980 | 50 |
| 3203 | 51 tree_unary_expression (tree_expression *e, int l = -1, int c = -1, |
| 10313 | 52 octave_value::unary_op t |
| 53 = octave_value::unknown_unary_op) | |
| 3203 | 54 : tree_expression (l, c), op (e), etype (t) { } |
| 2980 | 55 |
| 56 ~tree_unary_expression (void) { delete op; } | |
| 57 | |
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58 bool is_unary_expression (void) const { return true; } |
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59 |
| 4267 | 60 bool has_magic_end (void) const { return (op && op->has_magic_end ()); } |
| 61 | |
| 2980 | 62 tree_expression *operand (void) { return op; } |
| 63 | |
| 3523 | 64 std::string oper (void) const; |
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65 |
| 7087 | 66 octave_value::unary_op op_type (void) const { return etype; } |
| 3203 | 67 |
| 2980 | 68 protected: |
| 69 | |
| 70 // The operand for the expression. | |
| 71 tree_expression *op; | |
| 2988 | 72 |
| 3203 | 73 // The type of the expression. |
| 74 octave_value::unary_op etype; | |
| 75 | |
| 76 private: | |
| 77 | |
| 2988 | 78 // No copying! |
| 79 | |
| 80 tree_unary_expression (const tree_unary_expression&); | |
| 81 | |
| 82 tree_unary_expression& operator = (const tree_unary_expression&); | |
| 2980 | 83 }; |
| 84 | |
| 85 // Prefix expressions. | |
| 86 | |
| 87 class | |
| 88 tree_prefix_expression : public tree_unary_expression | |
| 89 { | |
| 90 public: | |
| 91 | |
| 92 tree_prefix_expression (int l = -1, int c = -1) | |
| 3203 | 93 : tree_unary_expression (l, c, octave_value::unknown_unary_op) { } |
| 2980 | 94 |
| 3195 | 95 tree_prefix_expression (tree_expression *e, int l = -1, int c = -1, |
| 10313 | 96 octave_value::unary_op t |
| 97 = octave_value::unknown_unary_op) | |
| 3203 | 98 : tree_unary_expression (e, l, c, t) { } |
| 2980 | 99 |
| 100 ~tree_prefix_expression (void) { } | |
| 101 | |
| 3933 | 102 bool rvalue_ok (void) const { return true; } |
| 2980 | 103 |
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104 octave_value rvalue1 (int nargout = 1); |
| 2980 | 105 |
| 3010 | 106 octave_value_list rvalue (int nargout); |
| 2980 | 107 |
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108 tree_expression *dup (symbol_table::scope_id scope, |
| 10313 | 109 symbol_table::context_id context) const; |
| 5861 | 110 |
| 2980 | 111 void accept (tree_walker& tw); |
| 112 | |
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113 std::string profiler_name (void) const { return "prefix " + oper (); } |
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114 |
| 2980 | 115 private: |
| 116 | |
| 2988 | 117 // No copying! |
| 118 | |
| 119 tree_prefix_expression (const tree_prefix_expression&); | |
| 120 | |
| 121 tree_prefix_expression& operator = (const tree_prefix_expression&); | |
| 2980 | 122 }; |
| 123 | |
| 124 // Postfix expressions. | |
| 125 | |
| 126 class | |
| 127 tree_postfix_expression : public tree_unary_expression | |
| 128 { | |
| 129 public: | |
| 130 | |
| 131 tree_postfix_expression (int l = -1, int c = -1) | |
| 3203 | 132 : tree_unary_expression (l, c, octave_value::unknown_unary_op) { } |
| 2980 | 133 |
| 3195 | 134 tree_postfix_expression (tree_expression *e, int l = -1, int c = -1, |
| 10313 | 135 octave_value::unary_op t |
| 136 = octave_value::unknown_unary_op) | |
| 3203 | 137 : tree_unary_expression (e, l, c, t) { } |
| 2980 | 138 |
| 139 ~tree_postfix_expression (void) { } | |
| 140 | |
| 3933 | 141 bool rvalue_ok (void) const { return true; } |
| 2980 | 142 |
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143 octave_value rvalue1 (int nargout = 1); |
| 2980 | 144 |
| 145 octave_value_list rvalue (int nargout); | |
| 146 | |
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147 tree_expression *dup (symbol_table::scope_id scope, |
| 10313 | 148 symbol_table::context_id context) const; |
| 5861 | 149 |
| 2980 | 150 void accept (tree_walker& tw); |
| 151 | |
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152 std::string profiler_name (void) const { return "postfix " + oper (); } |
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153 |
| 2980 | 154 private: |
| 155 | |
| 2988 | 156 // No copying! |
| 157 | |
| 158 tree_postfix_expression (const tree_postfix_expression&); | |
| 159 | |
| 160 tree_postfix_expression& operator = (const tree_postfix_expression&); | |
| 2980 | 161 }; |
| 162 | |
| 163 #endif |