Mercurial > octave
annotate libinterp/parse-tree/pt-assign.h @ 29358:0a5b15007766 stable
update Octave Project Developers copyright for the new year
In files that have the "Octave Project Developers" copyright notice,
update for 2021.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Wed, 10 Feb 2021 09:52:15 -0500 |
parents | 2219b0ed8754 |
children | 796f54d4ddbf |
rev | line source |
---|---|
27923
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
1 //////////////////////////////////////////////////////////////////////// |
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
2 // |
29358
0a5b15007766
update Octave Project Developers copyright for the new year
John W. Eaton <jwe@octave.org>
parents:
28805
diff
changeset
|
3 // Copyright (C) 1996-2021 The Octave Project Developers |
27923
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
4 // |
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
5 // See the file COPYRIGHT.md in the top-level directory of this |
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
6 // distribution or <https://octave.org/copyright/>. |
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
7 // |
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
8 // This file is part of Octave. |
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
9 // |
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
10 // Octave is free software: you can redistribute it and/or modify it |
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
11 // under the terms of the GNU General Public License as published by |
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
12 // the Free Software Foundation, either version 3 of the License, or |
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
13 // (at your option) any later version. |
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
14 // |
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
15 // Octave is distributed in the hope that it will be useful, but |
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
16 // WITHOUT ANY WARRANTY; without even the implied warranty of |
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
18 // GNU General Public License for more details. |
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
19 // |
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
20 // You should have received a copy of the GNU General Public License |
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
21 // along with Octave; see the file COPYING. If not, see |
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
22 // <https://www.gnu.org/licenses/>. |
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
23 // |
bd51beb6205e
update formatting of copyright notices
John W. Eaton <jwe@octave.org>
parents:
27919
diff
changeset
|
24 //////////////////////////////////////////////////////////////////////// |
2980 | 25 |
20791
f7084eae3318
maint: Use Octave coding conventions for #if statements.
Rik <rik@octave.org>
parents:
19697
diff
changeset
|
26 #if ! defined (octave_pt_assign_h) |
17822
ebb3ef964372
maint: Use common #define syntax "octave_filename_h" in h_files.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
27 #define octave_pt_assign_h 1 |
2980 | 28 |
21244
1473547f50f5
include octave-config.h in public header files
John W. Eaton <jwe@octave.org>
parents:
20791
diff
changeset
|
29 #include "octave-config.h" |
1473547f50f5
include octave-config.h in public header files
John W. Eaton <jwe@octave.org>
parents:
20791
diff
changeset
|
30 |
8950
d865363208d6
include <iosfwd> instead of <iostream> in header files
John W. Eaton <jwe@octave.org>
parents:
8920
diff
changeset
|
31 #include <iosfwd> |
2980 | 32 #include <string> |
33 | |
34 class octave_value; | |
35 class octave_value_list; | |
36 | |
37 #include "ov.h" | |
38 #include "pt-exp.h" | |
23435
c452180ab672
begin refactoring parse tree evaluator
John W. Eaton <jwe@octave.org>
parents:
23220
diff
changeset
|
39 #include "pt-walk.h" |
2980 | 40 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
41 namespace octave |
2980 | 42 { |
24362
3fc24b792a24
avoid including symtab.h, symscope.h, or symrec.h unnecessarily
John W. Eaton <jwe@octave.org>
parents:
24355
diff
changeset
|
43 class symbol_scope; |
24355
cc3b3ceb155c
update octave_lvalue class and move inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
24270
diff
changeset
|
44 class octave_lvalue; |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
45 class tree_argument_list; |
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 // Simple assignment expressions. |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
48 |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
49 class tree_simple_assignment : public tree_expression |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
50 { |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
51 public: |
2980 | 52 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
53 tree_simple_assignment (bool plhs = false, int l = -1, int c = -1, |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
54 octave_value::assign_op t = octave_value::op_asn_eq) |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
55 : tree_expression (l, c), m_lhs (nullptr), m_rhs (nullptr), |
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
56 m_preserve (plhs), m_ans_assign (), m_etype (t) |
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
57 { } |
2980 | 58 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
59 tree_simple_assignment (tree_expression *le, tree_expression *re, |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
60 bool plhs = false, int l = -1, int c = -1, |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
61 octave_value::assign_op t = octave_value::op_asn_eq); |
4267 | 62 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
63 // No copying! |
2980 | 64 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
65 tree_simple_assignment (const tree_simple_assignment&) = delete; |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
66 |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
67 tree_simple_assignment& operator = (const tree_simple_assignment&) = delete; |
2980 | 68 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
69 ~tree_simple_assignment (void); |
2980 | 70 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
71 bool rvalue_ok (void) const { return true; } |
2980 | 72 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
73 bool is_assignment_expression (void) const { return true; } |
2980 | 74 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
75 std::string oper (void) const; |
5861 | 76 |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
77 tree_expression * left_hand_side (void) { return m_lhs; } |
2980 | 78 |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
79 tree_expression * right_hand_side (void) { return m_rhs; } |
7087 | 80 |
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
|
81 tree_expression * dup (symbol_scope& scope) const; |
2980 | 82 |
27371
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
83 octave_value evaluate (tree_evaluator& tw, int nargout = 1); |
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
84 |
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
85 octave_value_list evaluate_n (tree_evaluator& tw, int nargout = 1) |
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
86 { |
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
87 return ovl (evaluate (tw, nargout)); |
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
88 } |
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
89 |
23435
c452180ab672
begin refactoring parse tree evaluator
John W. Eaton <jwe@octave.org>
parents:
23220
diff
changeset
|
90 void accept (tree_walker& tw) |
c452180ab672
begin refactoring parse tree evaluator
John W. Eaton <jwe@octave.org>
parents:
23220
diff
changeset
|
91 { |
c452180ab672
begin refactoring parse tree evaluator
John W. Eaton <jwe@octave.org>
parents:
23220
diff
changeset
|
92 tw.visit_simple_assignment (*this); |
c452180ab672
begin refactoring parse tree evaluator
John W. Eaton <jwe@octave.org>
parents:
23220
diff
changeset
|
93 } |
23458
0f4ed33886de
maint: Strip trailing whitespace from source files.
John W. Eaton <jwe@octave.org>
parents:
23446
diff
changeset
|
94 |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
95 octave_value::assign_op op_type (void) const { return m_etype; } |
7087 | 96 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
97 private: |
2980 | 98 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
99 void do_assign (octave_lvalue& ult, const octave_value_list& args, |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
100 const octave_value& rhs_val); |
2980 | 101 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
102 void do_assign (octave_lvalue& ult, const octave_value& rhs_val); |
2980 | 103 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
104 // The left hand side of the assignment. |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
105 tree_expression *m_lhs; |
2980 | 106 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
107 // The right hand side of the assignment. |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
108 tree_expression *m_rhs; |
2980 | 109 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
110 // True if we should not delete the lhs. |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
111 bool m_preserve; |
2988 | 112 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
113 // True if this is an assignment to the automatic variable ans. |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
114 bool m_ans_assign; |
2988 | 115 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
116 // 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
|
117 octave_value::assign_op m_etype; |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
118 }; |
2980 | 119 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
120 // Multi-valued assignment expressions. |
2980 | 121 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
122 class tree_multi_assignment : public tree_expression |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
123 { |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
124 public: |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
125 |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
126 tree_multi_assignment (bool plhs = false, int l = -1, int c = -1) |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
127 : tree_expression (l, c), m_lhs (nullptr), m_rhs (nullptr), |
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
128 m_preserve (plhs) |
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
129 { } |
2980 | 130 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
131 tree_multi_assignment (tree_argument_list *lst, tree_expression *r, |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
132 bool plhs = false, int l = -1, int c = -1); |
2980 | 133 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
134 // No copying! |
2980 | 135 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
136 tree_multi_assignment (const tree_multi_assignment&) = delete; |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
137 |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
138 tree_multi_assignment& operator = (const tree_multi_assignment&) = delete; |
2980 | 139 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
140 ~tree_multi_assignment (void); |
4267 | 141 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
142 bool is_assignment_expression (void) const { return true; } |
2980 | 143 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
144 bool rvalue_ok (void) const { return true; } |
2980 | 145 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
146 std::string oper (void) const; |
3208 | 147 |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
148 tree_argument_list * left_hand_side (void) { return m_lhs; } |
2980 | 149 |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
150 tree_expression * right_hand_side (void) { return m_rhs; } |
2980 | 151 |
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
|
152 tree_expression * dup (symbol_scope& scope) const; |
5861 | 153 |
27371
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
154 octave_value evaluate (tree_evaluator& tw, int nargout = 1) |
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
155 { |
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
156 octave_value_list retval = evaluate_n (tw, nargout); |
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
157 |
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
158 return retval.length () > 0 ? retval(0) : octave_value (); |
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
159 } |
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
160 |
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
161 octave_value_list evaluate_n (tree_evaluator& tw, int nargout = 1); |
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
162 |
23435
c452180ab672
begin refactoring parse tree evaluator
John W. Eaton <jwe@octave.org>
parents:
23220
diff
changeset
|
163 void accept (tree_walker& tw) |
c452180ab672
begin refactoring parse tree evaluator
John W. Eaton <jwe@octave.org>
parents:
23220
diff
changeset
|
164 { |
c452180ab672
begin refactoring parse tree evaluator
John W. Eaton <jwe@octave.org>
parents:
23220
diff
changeset
|
165 tw.visit_multi_assignment (*this); |
c452180ab672
begin refactoring parse tree evaluator
John W. Eaton <jwe@octave.org>
parents:
23220
diff
changeset
|
166 } |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11584
diff
changeset
|
167 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
168 octave_value::assign_op op_type (void) const |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
169 { |
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
170 return octave_value::op_asn_eq; |
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
171 } |
2980 | 172 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
173 private: |
2980 | 174 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
175 // The left hand side of the assignment. |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
176 tree_argument_list *m_lhs; |
3208 | 177 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
178 // The right hand side of the assignment. |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
179 tree_expression *m_rhs; |
2988 | 180 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
181 // True if we should not delete the lhs. |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
182 bool m_preserve; |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
183 }; |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
184 } |
2988 | 185 |
2980 | 186 #endif |