Mercurial > hg > octave-jordi
annotate src/pt-unop.h @ 8874:bd1b1fe9c6e9 ss-3-1-53
bump version info for snapshot
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Wed, 25 Feb 2009 18:35:47 -0500 |
| parents | 73c4516fae10 |
| children | 35cd375d4bb3 |
| rev | line source |
|---|---|
| 2980 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 1996, 1997, 1998, 2000, 2002, 2003, 2004, 2005, 2006, |
| 4 2007 John W. Eaton | |
| 2980 | 5 |
| 6 This file is part of Octave. | |
| 7 | |
| 8 Octave is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
| 11 option) any later version. | |
| 2980 | 12 |
| 13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 7016 | 19 along with Octave; see the file COPYING. If not, see |
| 20 <http://www.gnu.org/licenses/>. | |
| 2980 | 21 |
| 22 */ | |
| 23 | |
| 24 #if !defined (octave_tree_unop_h) | |
| 25 #define octave_tree_unop_h 1 | |
| 26 | |
| 27 #include <string> | |
| 28 | |
| 29 class tree_walker; | |
| 30 | |
| 31 class octave_value; | |
| 32 class octave_value_list; | |
| 33 class octave_lvalue; | |
| 34 | |
| 35 #include "pt-exp.h" | |
| 7336 | 36 #include "symtab.h" |
| 2980 | 37 |
| 38 // Unary expressions. | |
| 39 | |
| 40 class | |
| 41 tree_unary_expression : public tree_expression | |
| 42 { | |
| 43 public: | |
| 44 | |
| 3203 | 45 tree_unary_expression (int l = -1, int c = -1, |
| 46 octave_value::unary_op t | |
| 47 = octave_value::unknown_unary_op) | |
| 48 : tree_expression (l, c), op (0), etype (t) { } | |
| 2980 | 49 |
| 3203 | 50 tree_unary_expression (tree_expression *e, int l = -1, int c = -1, |
| 51 octave_value::unary_op t | |
| 52 = octave_value::unknown_unary_op) | |
| 53 : tree_expression (l, c), op (e), etype (t) { } | |
| 2980 | 54 |
| 55 ~tree_unary_expression (void) { delete op; } | |
| 56 | |
|
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57 bool is_unary_expression (void) const { return true; } |
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Jaroslav Hajek <highegg@gmail.com>
parents:
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58 |
| 4267 | 59 bool has_magic_end (void) const { return (op && op->has_magic_end ()); } |
| 60 | |
| 2980 | 61 tree_expression *operand (void) { return op; } |
| 62 | |
| 3523 | 63 std::string oper (void) const; |
| 7087 | 64 |
| 65 octave_value::unary_op op_type (void) const { return etype; } | |
| 3203 | 66 |
| 2980 | 67 protected: |
| 68 | |
| 69 // The operand for the expression. | |
| 70 tree_expression *op; | |
| 2988 | 71 |
| 3203 | 72 // The type of the expression. |
| 73 octave_value::unary_op etype; | |
| 74 | |
| 75 private: | |
| 76 | |
| 2988 | 77 // No copying! |
| 78 | |
| 79 tree_unary_expression (const tree_unary_expression&); | |
| 80 | |
| 81 tree_unary_expression& operator = (const tree_unary_expression&); | |
| 2980 | 82 }; |
| 83 | |
| 84 // Prefix expressions. | |
| 85 | |
| 86 class | |
| 87 tree_prefix_expression : public tree_unary_expression | |
| 88 { | |
| 89 public: | |
| 90 | |
| 91 tree_prefix_expression (int l = -1, int c = -1) | |
| 3203 | 92 : tree_unary_expression (l, c, octave_value::unknown_unary_op) { } |
| 2980 | 93 |
| 3195 | 94 tree_prefix_expression (tree_expression *e, int l = -1, int c = -1, |
| 3203 | 95 octave_value::unary_op t |
| 96 = octave_value::unknown_unary_op) | |
| 97 : tree_unary_expression (e, l, c, t) { } | |
| 2980 | 98 |
| 99 ~tree_prefix_expression (void) { } | |
| 100 | |
| 3933 | 101 bool rvalue_ok (void) const { return true; } |
| 2980 | 102 |
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parents:
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changeset
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103 octave_value rvalue1 (int nargout = 1); |
| 2980 | 104 |
| 3010 | 105 octave_value_list rvalue (int nargout); |
| 2980 | 106 |
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parents:
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changeset
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107 tree_expression *dup (symbol_table::scope_id scope, |
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parents:
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diff
changeset
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108 symbol_table::context_id context); |
| 5861 | 109 |
| 2980 | 110 void accept (tree_walker& tw); |
| 111 | |
| 112 private: | |
| 113 | |
| 2988 | 114 // No copying! |
| 115 | |
| 116 tree_prefix_expression (const tree_prefix_expression&); | |
| 117 | |
| 118 tree_prefix_expression& operator = (const tree_prefix_expression&); | |
| 2980 | 119 }; |
| 120 | |
| 121 // Postfix expressions. | |
| 122 | |
| 123 class | |
| 124 tree_postfix_expression : public tree_unary_expression | |
| 125 { | |
| 126 public: | |
| 127 | |
| 128 tree_postfix_expression (int l = -1, int c = -1) | |
| 3203 | 129 : tree_unary_expression (l, c, octave_value::unknown_unary_op) { } |
| 2980 | 130 |
| 3195 | 131 tree_postfix_expression (tree_expression *e, int l = -1, int c = -1, |
| 3203 | 132 octave_value::unary_op t |
| 133 = octave_value::unknown_unary_op) | |
| 134 : tree_unary_expression (e, l, c, t) { } | |
| 2980 | 135 |
| 136 ~tree_postfix_expression (void) { } | |
| 137 | |
| 3933 | 138 bool rvalue_ok (void) const { return true; } |
| 2980 | 139 |
|
8658
73c4516fae10
New evaluator and debugger derived from tree-walker class
John W. Eaton <jwe@octave.org>
parents:
8011
diff
changeset
|
140 octave_value rvalue1 (int nargout = 1); |
| 2980 | 141 |
| 142 octave_value_list rvalue (int nargout); | |
| 143 | |
|
7767
71f068b22fcc
scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
parents:
7336
diff
changeset
|
144 tree_expression *dup (symbol_table::scope_id scope, |
|
71f068b22fcc
scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
parents:
7336
diff
changeset
|
145 symbol_table::context_id context); |
| 5861 | 146 |
| 2980 | 147 void accept (tree_walker& tw); |
| 148 | |
| 149 private: | |
| 150 | |
| 2988 | 151 // No copying! |
| 152 | |
| 153 tree_postfix_expression (const tree_postfix_expression&); | |
| 154 | |
| 155 tree_postfix_expression& operator = (const tree_postfix_expression&); | |
| 2980 | 156 }; |
| 157 | |
| 158 #endif | |
| 159 | |
| 160 /* | |
| 161 ;;; Local Variables: *** | |
| 162 ;;; mode: C++ *** | |
| 163 ;;; End: *** | |
| 164 */ |