octave: libinterp/parse-tree/pt-binop.h annotate

annotate libinterp/parse-tree/pt-binop.h @ 26377:fff643eb3514

maint: Merge stable to default.

author	John W. Eaton <jwe@octave.org>
date	Wed, 02 Jan 2019 16:45:58 -0500
parents	f23f27e78aa2 00f796120a6d
children	fcaecdbc8d8a

rev	line source
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	1 /*
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	2
26376 00f796120a6d maint: Update copyright dates in all source files. John W. Eaton <jwe@octave.org> parents: 25103 diff changeset	3 Copyright (C) 1996-2019 John W. Eaton
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	4
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	5 This file is part of Octave.
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	6
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 24362 diff changeset	7 Octave is free software: you can redistribute it and/or modify it
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	8 under the terms of the GNU General Public License as published by
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 24362 diff changeset	9 the Free Software Foundation, either version 3 of the License, or
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	10 (at your option) any later version.
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	11
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	12 Octave is distributed in the hope that it will be useful, but
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	13 WITHOUT ANY WARRANTY; without even the implied warranty of
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	15 GNU General Public License for more details.
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	16
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	17 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5861 diff changeset	18 along with Octave; see the file COPYING. If not, see
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 24362 diff changeset	19 <https://www.gnu.org/licenses/>.
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	20
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	21 */
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	22
20791 f7084eae3318 maint: Use Octave coding conventions for #if statements. Rik <rik@octave.org> parents: 19697 diff changeset	23 #if ! defined (octave_pt_binop_h)
17822 ebb3ef964372 maint: Use common #define syntax "octave_filename_h" in h_files. Rik <rik@octave.org> parents: 17787 diff changeset	24 #define octave_pt_binop_h 1
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	25
21244 1473547f50f5 include octave-config.h in public header files John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	26 #include "octave-config.h"
1473547f50f5 include octave-config.h in public header files John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	27
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	28 #include <string>
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	29
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	30 class octave_value;
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	31 class octave_value_list;
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	32
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	33 #include "ov.h"
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	34 #include "pt-exp.h"
23435 c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	35 #include "pt-walk.h"
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	36
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	37 namespace octave
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	38 {
24362 3fc24b792a24 avoid including symtab.h, symscope.h, or symrec.h unnecessarily John W. Eaton <jwe@octave.org> parents: 24270 diff changeset	39 class symbol_scope;
3fc24b792a24 avoid including symtab.h, symscope.h, or symrec.h unnecessarily John W. Eaton <jwe@octave.org> parents: 24270 diff changeset	40
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	41 // Binary expressions.
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	42
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	43 class tree_binary_expression : public tree_expression
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	44 {
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	45 public:
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	46
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	47 tree_binary_expression (int l = -1, int c = -1,
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	48 octave_value::binary_op t
10313 f3b65e1ae355 untabify src header files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	49 = octave_value::unknown_binary_op)
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	50 : tree_expression (l, c), m_lhs (nullptr), m_rhs (nullptr), m_etype (t),
7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	51 m_eligible_for_braindead_shortcircuit (false),
7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	52 m_braindead_shortcircuit_warning_issued (false) { }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	53
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	54 tree_binary_expression (tree_expression a, tree_expression b,
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	55 int l = -1, int c = -1,
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	56 octave_value::binary_op t
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	57 = octave_value::unknown_binary_op)
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	58 : tree_expression (l, c), m_lhs (a), m_rhs (b), m_etype (t),
7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	59 m_eligible_for_braindead_shortcircuit (false),
7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	60 m_braindead_shortcircuit_warning_issued (false) { }
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	61
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	62 // No copying!
11091 5677f3f7b5fa Matlab compatible short-circuit behavior for & and \| operators John W. Eaton <jwe@octave.org> parents: 10313 diff changeset	63
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	64 tree_binary_expression (const tree_binary_expression&) = delete;
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	65
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	66 tree_binary_expression& operator = (const tree_binary_expression&) = delete;
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	67
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	68 ~tree_binary_expression (void)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	69 {
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	70 delete m_lhs;
7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	71 delete m_rhs;
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	72 }
11091 5677f3f7b5fa Matlab compatible short-circuit behavior for & and \| operators John W. Eaton <jwe@octave.org> parents: 10313 diff changeset	73
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	74 void mark_braindead_shortcircuit (void)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	75 {
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	76 if (m_etype == octave_value::op_el_and \|\| m_etype == octave_value::op_el_or)
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	77 {
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	78 m_eligible_for_braindead_shortcircuit = true;
4267 7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe] jwe parents: 4192 diff changeset	79
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	80 m_lhs->mark_braindead_shortcircuit ();
7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	81 m_rhs->mark_braindead_shortcircuit ();
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	82 }
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	83 }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	84
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	85 bool has_magic_end (void) const
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	86 {
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	87 return ((m_lhs && m_lhs->has_magic_end ())
7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	88 \|\| (m_rhs && m_rhs->has_magic_end ()));
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	89 }
4023 ef3caf27cb9c [project @ 2002-08-07 06:54:41 by jwe] jwe parents: 3933 diff changeset	90
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	91 bool is_binary_expression (void) const { return true; }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	92
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	93 bool rvalue_ok (void) const { return true; }
5861 2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5307 diff changeset	94
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	95 std::string oper (void) const;
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	96
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	97 octave_value::binary_op op_type (void) const { return m_etype; }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	98
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	99 tree_expression * lhs (void) { return m_lhs; }
7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	100 tree_expression * rhs (void) { return m_rhs; }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	101
23435 c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	102 bool is_eligible_for_braindead_shortcircuit (void) const
c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	103 {
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	104 return m_eligible_for_braindead_shortcircuit;
23435 c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	105 }
c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	106
24270 bc3819b7cca1 don't use symbol_table:: nesting for symbol_record, symbol_scope, or fcn_info John W. Eaton <jwe@octave.org> parents: 23795 diff changeset	107 tree_expression * dup (symbol_scope& scope) const;
2988 daa1ed1f5462 [project @ 1997-05-16 07:23:15 by jwe] jwe parents: 2980 diff changeset	108
23435 c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	109 void accept (tree_walker& tw)
c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	110 {
c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	111 tw.visit_binary_expression (*this);
c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	112 }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	113
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	114 std::string profiler_name (void) const { return "binary " + oper (); }
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	115
23435 c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	116 void matlab_style_short_circuit_warning (const char *op);
c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	117
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	118 protected:
11091 5677f3f7b5fa Matlab compatible short-circuit behavior for & and \| operators John W. Eaton <jwe@octave.org> parents: 10313 diff changeset	119
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	120 // The operands for the expression.
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	121 tree_expression *m_lhs;
7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	122 tree_expression *m_rhs;
18127 d76f790b4eec enable do_braindead_shortcircuit_evaluation by default and deprecate John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	123
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	124 private:
2988 daa1ed1f5462 [project @ 1997-05-16 07:23:15 by jwe] jwe parents: 2980 diff changeset	125
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	126 // The type of the expression.
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	127 octave_value::binary_op m_etype;
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	128
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	129 // TRUE if this is an \| or & expression in the condition of an IF
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	130 // or WHILE statement.
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	131 bool m_eligible_for_braindead_shortcircuit;
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	132
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	133 // TRUE if we have already issued a warning about short circuiting
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	134 // for this operator.
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	135 bool m_braindead_shortcircuit_warning_issued;
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	136 };
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	137
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	138 // Boolean expressions.
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	139
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	140 class tree_boolean_expression : public tree_binary_expression
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	141 {
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	142 public:
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	143
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	144 enum type
25103 078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	145 {
078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	146 unknown,
078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	147 bool_and,
078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	148 bool_or
078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	149 };
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	150
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	151 tree_boolean_expression (int l = -1, int c = -1, type t = unknown)
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	152 : tree_binary_expression (l, c), m_etype (t) { }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	153
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	154 tree_boolean_expression (tree_expression a, tree_expression b,
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	155 int l = -1, int c = -1, type t = unknown)
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	156 : tree_binary_expression (a, b, l, c), m_etype (t) { }
4023 ef3caf27cb9c [project @ 2002-08-07 06:54:41 by jwe] jwe parents: 3933 diff changeset	157
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	158 // No copying!
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	159
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	160 tree_boolean_expression (const tree_boolean_expression&) = delete;
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	161
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	162 tree_boolean_expression& operator = (const tree_boolean_expression&) = delete;
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	163
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	164 ~tree_boolean_expression (void) = default;
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	165
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	166 bool is_boolean_expression (void) const { return true; }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	167
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	168 bool rvalue_ok (void) const { return true; }
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	169
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	170 std::string oper (void) const;
5861 2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5307 diff changeset	171
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	172 type op_type (void) const { return m_etype; }
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	173
24270 bc3819b7cca1 don't use symbol_table:: nesting for symbol_record, symbol_scope, or fcn_info John W. Eaton <jwe@octave.org> parents: 23795 diff changeset	174 tree_expression * dup (symbol_scope& scope) const;
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	175
23435 c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	176 void accept (tree_walker& tw)
c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	177 {
c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	178 tw.visit_boolean_expression (*this);
c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	179 }
23424 872f42fb26dc let walker visit tree_boolean and tree_compound_binary expressions directly John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	180
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	181 private:
2988 daa1ed1f5462 [project @ 1997-05-16 07:23:15 by jwe] jwe parents: 2980 diff changeset	182
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	183 // The type of the expression.
24846 7620f1f5290d use m_ prefix for member variables in parse tree classes John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	184 type m_etype;
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	185 };
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	186 }
2988 daa1ed1f5462 [project @ 1997-05-16 07:23:15 by jwe] jwe parents: 2980 diff changeset	187
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	188 #endif

Mercurial > octave

annotate libinterp/parse-tree/pt-binop.h @ 26377:fff643eb3514