Mercurial > octave
annotate libinterp/parse-tree/pt-const.h @ 27919:1891570abac8
update Octave Project Developers copyright for the new year
In files that have the "Octave Project Developers" copyright notice,
update for 2020.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Mon, 06 Jan 2020 22:29:51 -0500 |
parents | b442ec6dda5c |
children | bd51beb6205e |
rev | line source |
---|---|
1 | 1 /* |
2 | |
27919
1891570abac8
update Octave Project Developers copyright for the new year
John W. Eaton <jwe@octave.org>
parents:
27918
diff
changeset
|
3 Copyright (C) 1993-2020 The Octave Project Developers |
27918
b442ec6dda5c
use centralized file for copyright info for individual contributors
John W. Eaton <jwe@octave.org>
parents:
27371
diff
changeset
|
4 |
b442ec6dda5c
use centralized file for copyright info for individual contributors
John W. Eaton <jwe@octave.org>
parents:
27371
diff
changeset
|
5 See the file COPYRIGHT.md in the top-level directory of this distribution |
b442ec6dda5c
use centralized file for copyright info for individual contributors
John W. Eaton <jwe@octave.org>
parents:
27371
diff
changeset
|
6 or <https://octave.org/COPYRIGHT.html/>. |
b442ec6dda5c
use centralized file for copyright info for individual contributors
John W. Eaton <jwe@octave.org>
parents:
27371
diff
changeset
|
7 |
1 | 8 |
9 This file is part of Octave. | |
10 | |
24534
194eb4bd202b
maint: Update punctuation for GPL v3 license text.
Rik <rik@octave.org>
parents:
24362
diff
changeset
|
11 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
|
12 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
|
13 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
|
14 (at your option) any later version. |
1 | 15 |
22755
3a2b891d0b33
maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
16 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
|
17 WITHOUT ANY WARRANTY; without even the implied warranty of |
3a2b891d0b33
maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
3a2b891d0b33
maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
19 GNU General Public License for more details. |
1 | 20 |
21 You should have received a copy of the GNU General Public License | |
7016 | 22 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
|
23 <https://www.gnu.org/licenses/>. |
1 | 24 |
25 */ | |
26 | |
20791
f7084eae3318
maint: Use Octave coding conventions for #if statements.
Rik <rik@octave.org>
parents:
19697
diff
changeset
|
27 #if ! defined (octave_pt_const_h) |
17822
ebb3ef964372
maint: Use common #define syntax "octave_filename_h" in h_files.
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
28 #define octave_pt_const_h 1 |
1 | 29 |
21244
1473547f50f5
include octave-config.h in public header files
John W. Eaton <jwe@octave.org>
parents:
20791
diff
changeset
|
30 #include "octave-config.h" |
1473547f50f5
include octave-config.h in public header files
John W. Eaton <jwe@octave.org>
parents:
20791
diff
changeset
|
31 |
8950
d865363208d6
include <iosfwd> instead of <iostream> in header files
John W. Eaton <jwe@octave.org>
parents:
8920
diff
changeset
|
32 #include <iosfwd> |
1728 | 33 #include <string> |
34 | |
2086 | 35 class octave_value_list; |
2124 | 36 |
27371
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
37 #include "error.h" |
2390 | 38 #include "ov.h" |
7336 | 39 #include "pt-bp.h" |
40 #include "pt-exp.h" | |
23435
c452180ab672
begin refactoring parse tree evaluator
John W. Eaton <jwe@octave.org>
parents:
23220
diff
changeset
|
41 #include "pt-walk.h" |
581 | 42 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
43 namespace octave |
1 | 44 { |
24362
3fc24b792a24
avoid including symtab.h, symscope.h, or symrec.h unnecessarily
John W. Eaton <jwe@octave.org>
parents:
24270
diff
changeset
|
45 class symbol_scope; |
27371
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
46 class tree_evaluator; |
24362
3fc24b792a24
avoid including symtab.h, symscope.h, or symrec.h unnecessarily
John W. Eaton <jwe@octave.org>
parents:
24270
diff
changeset
|
47 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
48 class tree_constant : public tree_expression |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
49 { |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
50 public: |
620 | 51 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
52 tree_constant (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
|
53 : tree_expression (l, c), m_value (), m_orig_text () |
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
54 { } |
1 | 55 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
56 tree_constant (const octave_value& v, 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
|
57 : tree_expression (l, c), m_value (v), m_orig_text () |
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
58 { } |
5861 | 59 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
60 tree_constant (const octave_value& v, const std::string& ot, |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
61 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
|
62 : tree_expression (l, c), m_value (v), m_orig_text (ot) |
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
63 { } |
4267 | 64 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
65 // No copying! |
620 | 66 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
67 tree_constant (const tree_constant&) = delete; |
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 tree_constant& operator = (const tree_constant&) = delete; |
620 | 70 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
71 ~tree_constant (void) = default; |
4267 | 72 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
73 bool has_magic_end (void) const { return false; } |
2409 | 74 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
75 // Type. It would be nice to eliminate the need for this. |
1199 | 76 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
77 bool is_constant (void) const { return true; } |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
78 |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
79 void maybe_mutate (void) { m_value.maybe_mutate (); } |
2942 | 80 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
81 void print (std::ostream& os, bool pr_as_read_syntax = false, |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
82 bool pr_orig_txt = true); |
1 | 83 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
84 void print_raw (std::ostream& os, bool pr_as_read_syntax = false, |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
85 bool pr_orig_txt = true); |
2971 | 86 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
87 bool rvalue_ok (void) const { return true; } |
2971 | 88 |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
89 octave_value value (void) { return m_value; } |
1 | 90 |
24270
bc3819b7cca1
don't use symbol_table:: nesting for symbol_record, symbol_scope, or fcn_info
John W. Eaton <jwe@octave.org>
parents:
23615
diff
changeset
|
91 tree_expression * dup (symbol_scope& scope) const; |
620 | 92 |
23435
c452180ab672
begin refactoring parse tree evaluator
John W. Eaton <jwe@octave.org>
parents:
23220
diff
changeset
|
93 void accept (tree_walker& tw) |
c452180ab672
begin refactoring parse tree evaluator
John W. Eaton <jwe@octave.org>
parents:
23220
diff
changeset
|
94 { |
c452180ab672
begin refactoring parse tree evaluator
John W. Eaton <jwe@octave.org>
parents:
23220
diff
changeset
|
95 tw.visit_constant (*this); |
c452180ab672
begin refactoring parse tree evaluator
John W. Eaton <jwe@octave.org>
parents:
23220
diff
changeset
|
96 } |
620 | 97 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
98 // Store the original text corresponding to this constant for later |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
99 // pretty printing. |
2124 | 100 |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
101 void stash_original_text (const std::string& s) { m_orig_text = s; } |
747 | 102 |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
103 std::string original_text (void) const { return m_orig_text; } |
620 | 104 |
27371
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
105 octave_value evaluate (tree_evaluator&, int nargout = 1) |
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
106 { |
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
107 if (nargout > 1) |
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
108 error ("invalid number of output arguments for constant expression"); |
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
109 |
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
110 return value (); |
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
111 } |
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
112 |
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
113 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
|
114 { |
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
115 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
|
116 } |
fcaecdbc8d8a
don't use visitor pattern for expression evaluation (bug #56752)
John W. Eaton <jwe@octave.org>
parents:
26377
diff
changeset
|
117 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
118 private: |
747 | 119 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
120 // The actual value that this constant refers to. |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
121 octave_value m_value; |
2988 | 122 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22869
diff
changeset
|
123 // The original text form of this constant. |
24846
7620f1f5290d
use m_ prefix for member variables in parse tree classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
124 std::string m_orig_text; |
23075
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 } |
2988 | 127 |
1 | 128 #endif |