|
2376
|
1 /* |
|
|
2 |
|
|
3 Copyright (C) 1996 John W. Eaton |
|
|
4 |
|
|
5 This file is part of Octave. |
|
|
6 |
|
|
7 Octave is free software; you can redistribute it and/or modify it |
|
|
8 under the terms of the GNU General Public License as published by the |
|
|
9 Free Software Foundation; either version 2, or (at your option) any |
|
|
10 later version. |
|
|
11 |
|
|
12 Octave is distributed in the hope that it will be useful, but WITHOUT |
|
|
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
|
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
|
15 for more details. |
|
|
16 |
|
|
17 You should have received a copy of the GNU General Public License |
|
|
18 along with Octave; see the file COPYING. If not, write to the Free |
|
|
19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
|
|
20 |
|
|
21 */ |
|
|
22 |
|
|
23 #if !defined (octave_base_value_h) |
|
|
24 #define octave_base_value_h 1 |
|
|
25 |
|
|
26 #if defined (__GNUG__) |
|
|
27 #pragma interface |
|
|
28 #endif |
|
|
29 |
|
|
30 #include <cstdlib> |
|
|
31 |
|
|
32 #include <string> |
|
|
33 |
|
|
34 class ostream; |
|
|
35 |
|
|
36 #include "mx-base.h" |
|
|
37 #include "str-vec.h" |
|
|
38 |
|
|
39 #include "error.h" |
|
|
40 #include "ov.h" |
|
|
41 #include "ov-typeinfo.h" |
|
|
42 |
|
|
43 class Octave_map; |
|
|
44 class octave_value_list; |
|
|
45 |
|
|
46 class tree_walker; |
|
|
47 |
|
|
48 // Real scalar values. |
|
|
49 |
|
|
50 class |
|
|
51 octave_base_value : public octave_value |
|
|
52 { |
|
|
53 public: |
|
|
54 |
|
|
55 octave_base_value (void) |
|
|
56 : octave_value (octave_xvalue ()) { } |
|
|
57 |
|
|
58 octave_base_value (const octave_base_value&) |
|
|
59 : octave_value (octave_xvalue ()) { } |
|
|
60 |
|
|
61 ~octave_base_value (void) { } |
|
|
62 |
|
|
63 octave_value *clone (void) { return new octave_base_value (*this); } |
|
|
64 |
|
|
65 #if 0 |
|
|
66 void *operator new (size_t size); |
|
|
67 void operator delete (void *p, size_t size); |
|
|
68 #endif |
|
|
69 |
|
2410
|
70 type_conv_fcn numeric_conversion_function (void) const |
|
|
71 { return (type_conv_fcn) 0; } |
|
|
72 |
|
|
73 octave_value *try_narrowing_conversion (void) |
|
|
74 { return (octave_value *) 0; } |
|
2376
|
75 |
|
|
76 octave_value index (const octave_value_list& idx) const; |
|
|
77 |
|
|
78 idx_vector index_vector (void) const; |
|
|
79 |
|
2420
|
80 octave_value struct_elt_val (const string& nm, bool silent) const; |
|
2376
|
81 |
|
|
82 octave_value& struct_elt_ref (const string& nm); |
|
|
83 |
|
|
84 int rows (void) const { return -1; } |
|
|
85 |
|
|
86 int columns (void) const { return -1; } |
|
|
87 |
|
|
88 bool is_defined (void) const { return false; } |
|
|
89 |
|
|
90 bool is_real_scalar (void) const { return false; } |
|
|
91 |
|
|
92 bool is_real_matrix (void) const { return false; } |
|
|
93 |
|
|
94 bool is_complex_scalar (void) const { return false; } |
|
|
95 |
|
|
96 bool is_complex_matrix (void) const { return false; } |
|
|
97 |
|
|
98 bool is_char_matrix (void) const { return false; } |
|
|
99 |
|
|
100 bool is_string (void) const { return false; } |
|
|
101 |
|
|
102 bool is_range (void) const { return false; } |
|
|
103 |
|
|
104 bool is_map (void) const { return false; } |
|
|
105 |
|
|
106 bool is_magic_colon (void) const { return false; } |
|
|
107 |
|
|
108 bool is_all_va_args (void) const { return false; } |
|
|
109 |
|
|
110 octave_value all (void) const { return 0.0; } |
|
|
111 |
|
|
112 octave_value any (void) const { return 0.0; } |
|
|
113 |
|
|
114 bool is_real_type (void) const { return false; } |
|
|
115 |
|
|
116 bool is_complex_type (void) const { return false; } |
|
|
117 |
|
|
118 // Would be nice to get rid of the next four functions: |
|
|
119 |
|
|
120 bool is_scalar_type (void) const { return false; } |
|
|
121 |
|
|
122 bool is_matrix_type (void) const { return false; } |
|
|
123 |
|
|
124 bool is_numeric_type (void) const { return false; } |
|
|
125 |
|
|
126 bool valid_as_scalar_index (void) const { return false; } |
|
|
127 |
|
|
128 bool valid_as_zero_index (void) const { return false; } |
|
|
129 |
|
|
130 bool is_true (void) const { return false; } |
|
|
131 |
|
|
132 bool is_empty (void) const |
|
|
133 { return (rows () == 0 || columns () == 0); } |
|
|
134 |
|
|
135 bool is_zero_by_zero (void) const |
|
|
136 { return (rows () == 0 && columns () == 0); } |
|
|
137 |
|
|
138 double double_value (bool) const; |
|
|
139 |
|
|
140 Matrix matrix_value (bool frc_str_conv = false) const; |
|
|
141 |
|
|
142 Complex complex_value (bool frc_str_conv = false) const; |
|
|
143 |
|
|
144 ComplexMatrix complex_matrix_value (bool frc_str_conv = false) const; |
|
|
145 |
|
|
146 charMatrix char_matrix_value (bool frc_str_conv = false) const; |
|
|
147 |
|
|
148 charMatrix all_strings (void) const; |
|
|
149 |
|
|
150 string string_value (void) const; |
|
|
151 |
|
|
152 Range range_value (void) const; |
|
|
153 |
|
|
154 Octave_map map_value (void) const; |
|
|
155 |
|
|
156 octave_value not (void) const; |
|
|
157 |
|
|
158 octave_value uminus (void) const; |
|
|
159 |
|
|
160 octave_value transpose (void) const; |
|
|
161 |
|
|
162 octave_value hermitian (void) const; |
|
|
163 |
|
|
164 void increment (void); |
|
|
165 |
|
|
166 void decrement (void); |
|
|
167 |
|
|
168 octave_value convert_to_str (void) const; |
|
|
169 |
|
|
170 void convert_to_row_or_column_vector (void); |
|
|
171 |
|
2466
|
172 void print (ostream& os, bool pr_as_read_syntax = false); |
|
2376
|
173 |
|
|
174 int type_id (void) const { return t_id; } |
|
|
175 |
|
|
176 string type_name (void) const { return t_name; } |
|
|
177 |
|
|
178 static int static_type_id (void) { return t_id; } |
|
|
179 |
|
|
180 static void register_type (void) |
|
|
181 { t_id = octave_value_typeinfo::register_type (t_name); } |
|
|
182 |
|
|
183 private: |
|
|
184 |
|
|
185 static int t_id; |
|
|
186 |
|
|
187 static const string t_name; |
|
|
188 }; |
|
|
189 |
|
|
190 #endif |
|
|
191 |
|
|
192 extern void install_base_type_conversions (void); |
|
|
193 |
|
|
194 /* |
|
|
195 ;;; Local Variables: *** |
|
|
196 ;;; mode: C++ *** |
|
|
197 ;;; End: *** |
|
|
198 */ |
