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

annotate libinterp/parse-tree/pt-binop.h @ 24270:bc3819b7cca1

don't use symbol_table:: nesting for symbol_record, symbol_scope, or fcn_info Change all uses of symbol_table::symbol_record to symbol_record. Change all uses of symbol_table::scope to symbol_scope. Change all uses of symbol_table::fcn_info to fcn_info.

author	John W. Eaton <jwe@octave.org>
date	Thu, 16 Nov 2017 21:43:47 -0500
parents	980f39c3ab90
children	3fc24b792a24

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
23219 3ac9f9ecfae5 maint: Update copyright dates. John W. Eaton <jwe@octave.org> parents: 23083 diff changeset	3 Copyright (C) 1996-2017 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
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: 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
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	9 the Free Software Foundation; either version 3 of the License, or
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
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5861 diff changeset	19 <http://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"
7336 745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe] jwe parents: 7017 diff changeset	36 #include "symtab.h"
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	37
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	38 namespace octave
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	39 {
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	40 // Binary expressions.
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	41
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	42 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	43 {
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	44 public:
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	45
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	46 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	47 octave_value::binary_op t
10313 f3b65e1ae355 untabify src header files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	48 = octave_value::unknown_binary_op)
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23615 diff changeset	49 : tree_expression (l, c), op_lhs (nullptr), op_rhs (nullptr), etype (t),
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	50 eligible_for_braindead_shortcircuit (false),
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	51 braindead_shortcircuit_warning_issued (false) { }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	52
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	53 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	54 int l = -1, int c = -1,
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	55 octave_value::binary_op t
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	56 = octave_value::unknown_binary_op)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	57 : tree_expression (l, c), op_lhs (a), op_rhs (b), etype (t),
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	58 eligible_for_braindead_shortcircuit (false),
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	59 braindead_shortcircuit_warning_issued (false) { }
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	60
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	61 // No copying!
11091 5677f3f7b5fa Matlab compatible short-circuit behavior for & and \| operators John W. Eaton <jwe@octave.org> parents: 10313 diff changeset	62
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	63 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	64
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	65 tree_binary_expression& operator = (const tree_binary_expression&) = delete;
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	66
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	67 ~tree_binary_expression (void)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	68 {
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	69 delete op_lhs;
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	70 delete op_rhs;
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	71 }
11091 5677f3f7b5fa Matlab compatible short-circuit behavior for & and \| operators John W. Eaton <jwe@octave.org> parents: 10313 diff changeset	72
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	73 void mark_braindead_shortcircuit (void)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	74 {
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	75 if (etype == octave_value::op_el_and \|\| etype == octave_value::op_el_or)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	76 {
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	77 eligible_for_braindead_shortcircuit = true;
4267 7cd865a8c815 [project @ 2003-01-03 15:27:05 by jwe] jwe parents: 4192 diff changeset	78
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	79 op_lhs->mark_braindead_shortcircuit ();
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	80 op_rhs->mark_braindead_shortcircuit ();
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	81 }
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	82 }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	83
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	84 bool has_magic_end (void) const
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	85 {
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	86 return ((op_lhs && op_lhs->has_magic_end ())
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	87 \|\| (op_rhs && op_rhs->has_magic_end ()));
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	88 }
4023 ef3caf27cb9c [project @ 2002-08-07 06:54:41 by jwe] jwe parents: 3933 diff changeset	89
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	90 bool is_binary_expression (void) const { return true; }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	91
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	92 bool rvalue_ok (void) const { return true; }
5861 2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5307 diff changeset	93
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	94 std::string oper (void) const;
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	95
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	96 octave_value::binary_op op_type (void) const { return etype; }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	97
23523 d2748870db4e undo part of previous change John W. Eaton <jwe@octave.org> parents: 23522 diff changeset	98 tree_expression * lhs (void) { return op_lhs; }
d2748870db4e undo part of previous change John W. Eaton <jwe@octave.org> parents: 23522 diff changeset	99 tree_expression * rhs (void) { return op_rhs; }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	100
23435 c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	101 bool is_eligible_for_braindead_shortcircuit (void) const
c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	102 {
c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	103 return eligible_for_braindead_shortcircuit;
c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	104 }
c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	105
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	106 tree_expression * dup (symbol_scope& scope) const;
2988 daa1ed1f5462 [project @ 1997-05-16 07:23:15 by jwe] jwe parents: 2980 diff changeset	107
23435 c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	108 void accept (tree_walker& tw)
c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	109 {
c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	110 tw.visit_binary_expression (*this);
c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	111 }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	112
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	113 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	114
23435 c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	115 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	116
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	117 protected:
11091 5677f3f7b5fa Matlab compatible short-circuit behavior for & and \| operators John W. Eaton <jwe@octave.org> parents: 10313 diff changeset	118
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	119 // The operands for the expression.
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	120 tree_expression *op_lhs;
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	121 tree_expression *op_rhs;
18127 d76f790b4eec enable do_braindead_shortcircuit_evaluation by default and deprecate John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	122
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	123 private:
2988 daa1ed1f5462 [project @ 1997-05-16 07:23:15 by jwe] jwe parents: 2980 diff changeset	124
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	125 // The type of the expression.
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	126 octave_value::binary_op etype;
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	127
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	128 // 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	129 // or WHILE statement.
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	130 bool eligible_for_braindead_shortcircuit;
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	131
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	132 // 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	133 // for this operator.
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	134 bool braindead_shortcircuit_warning_issued;
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	135 };
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	136
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	137 // Boolean expressions.
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	138
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	139 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	140 {
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	141 public:
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	142
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	143 enum type
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	144 {
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	145 unknown,
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	146 bool_and,
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	147 bool_or
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	148 };
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	149
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	150 tree_boolean_expression (int l = -1, int c = -1, type t = unknown)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	151 : tree_binary_expression (l, c), etype (t) { }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	152
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	153 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	154 int l = -1, int c = -1, type t = unknown)
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	155 : tree_binary_expression (a, b, l, c), etype (t) { }
4023 ef3caf27cb9c [project @ 2002-08-07 06:54:41 by jwe] jwe parents: 3933 diff changeset	156
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	157 // No copying!
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	158
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	159 tree_boolean_expression (const tree_boolean_expression&) = delete;
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	160
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	161 tree_boolean_expression& operator = (const tree_boolean_expression&) = delete;
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	162
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	163 ~tree_boolean_expression (void) = default;
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	164
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	165 bool is_boolean_expression (void) const { return true; }
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	166
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	167 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	168
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	169 std::string oper (void) const;
5861 2a6cb4ed8f1e [project @ 2006-06-16 05:09:41 by jwe] jwe parents: 5307 diff changeset	170
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	171 type op_type (void) const { return etype; }
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	172
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	173 tree_expression * dup (symbol_scope& scope) const;
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	174
23435 c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	175 void accept (tree_walker& tw)
c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	176 {
c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	177 tw.visit_boolean_expression (*this);
c452180ab672 begin refactoring parse tree evaluator John W. Eaton <jwe@octave.org> parents: 23424 diff changeset	178 }
23424 872f42fb26dc let walker visit tree_boolean and tree_compound_binary expressions directly John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	179
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	180 private:
2988 daa1ed1f5462 [project @ 1997-05-16 07:23:15 by jwe] jwe parents: 2980 diff changeset	181
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	182 // The type of the expression.
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	183 type etype;
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	184 };
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	185 }
2988 daa1ed1f5462 [project @ 1997-05-16 07:23:15 by jwe] jwe parents: 2980 diff changeset	186
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	187 #if defined (OCTAVE_USE_DEPRECATED_FUNCTIONS)
2988 daa1ed1f5462 [project @ 1997-05-16 07:23:15 by jwe] jwe parents: 2980 diff changeset	188
23615 be7b884ac589 use version number in OCTAVE_DEPRECATED macro John W. Eaton <jwe@octave.org> parents: 23602 diff changeset	189 OCTAVE_DEPRECATED (4.4, "use 'octave::tree_binary_expression' instead")
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	190 typedef octave::tree_binary_expression tree_binary_expression;
4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	191
23615 be7b884ac589 use version number in OCTAVE_DEPRECATED macro John W. Eaton <jwe@octave.org> parents: 23602 diff changeset	192 OCTAVE_DEPRECATED (4.4, "use 'octave::tree_boolean_expression' instead")
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	193 typedef octave::tree_boolean_expression tree_boolean_expression;
2980 cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	194
cd5ad3fd8049 [project @ 1997-05-16 01:12:13 by jwe] jwe parents: diff changeset	195 #endif
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	196
23075 4e3d47dc7e25 move parse tree classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22869 diff changeset	197 #endif

Mercurial > octave

annotate libinterp/parse-tree/pt-binop.h @ 24270:bc3819b7cca1