annotate src/pt-exp-base.h @ 666:fb4f6556b443

[project @ 1994-09-06 21:22:46 by jwe]
author jwe
date Tue, 06 Sep 1994 21:25:14 +0000
parents e57b1bd85102
children 1c072f20b522
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 508
diff changeset
1 // tree-expr.h -*- C++ -*-
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
2 /*
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
3
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
4 Copyright (C) 1992, 1993, 1994 John W. Eaton
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
5
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
6 This file is part of Octave.
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
7
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
8 Octave is free software; you can redistribute it and/or modify it
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
9 under the terms of the GNU General Public License as published by the
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
10 Free Software Foundation; either version 2, or (at your option) any
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
11 later version.
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
12
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
13 Octave is distributed in the hope that it will be useful, but WITHOUT
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
16 for more details.
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
17
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
18 You should have received a copy of the GNU General Public License
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
19 along with Octave; see the file COPYING. If not, write to the Free
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
20 Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
21
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
22 */
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
23
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
24 #if !defined (octave_tree_expr_h)
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
25 #define octave_tree_expr_h 1
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
26
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
27 #if defined (__GNUG__)
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
28 #pragma interface
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
29 #endif
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
30
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 508
diff changeset
31 #include <time.h>
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
32 #include <stdio.h>
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
33 #include <iostream.h>
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
34
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 508
diff changeset
35 #include "variables.h"
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 508
diff changeset
36 #include "mappers.h"
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
37 #include "error.h"
500
5f91088cb98e [project @ 1994-07-08 02:16:02 by jwe]
jwe
parents: 494
diff changeset
38 #include "oct-obj.h"
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
39
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
40 class tree_constant;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
41 class tree_statement_list;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
42 class tree_argument_list;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
43 class tree_parameter_list;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
44 class tree_return_list;
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
45 class symbol_record;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
46 class symbol_table;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
47
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
48 class tree_matrix;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
49 class tree_builtin;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
50 class tree_identifier;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
51 class tree_function;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
52 class tree_expression;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
53 class tree_prefix_expression;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
54 class tree_postfix_expression;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
55 class tree_unary_expression;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
56 class tree_binary_expression;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
57 class tree_assignment_expression;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
58 class tree_simple_assignment_expression;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
59 class tree_multi_assignment_expression;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
60 class tree_colon_expression;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
61 class tree_index_expression;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
62
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
63 #include "tree-base.h"
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
64
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
65 // A base class for expressions.
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
66
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
67 class
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
68 tree_expression : public tree
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
69 {
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
70 public:
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
71 int in_parens;
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
72
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
73 enum type
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
74 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
75 unknown,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
76 assignment,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
77 simple_assignment,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
78 multi_assignment,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
79 add,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
80 subtract,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
81 multiply,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
82 el_mul,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
83 divide,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
84 el_div,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
85 leftdiv,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
86 el_leftdiv,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
87 power,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
88 elem_pow,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
89 cmp_lt,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
90 cmp_le,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
91 cmp_eq,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
92 cmp_ge,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
93 cmp_gt,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
94 cmp_ne,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
95 and_and,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
96 or_or,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
97 and,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
98 or,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
99 not,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
100 unot,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
101 uminus,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
102 hermitian,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
103 transpose,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
104 colon,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
105 index,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
106 increment,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
107 decrement,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
108 };
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
109
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
110 tree_expression (int l = -1, int c = -1) : tree (l, c)
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
111 {
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
112 in_parens = 0;
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
113 etype = unknown;
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
114 }
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
115
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
116 ~tree_expression (void) { }
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
117
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
118 virtual int is_multi_val_ret_expression (void) const
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
119 { return 0; }
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
120
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
121 virtual int is_identifier (void) const
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
122 { return 0; }
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
123
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
124 virtual int is_index_expression (void) const
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
125 { return 0; }
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
126
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
127 virtual int is_assignment_expression (void) const
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
128 { return 0; }
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
129
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
130 virtual int is_prefix_expression (void) const
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
131 { return 0; }
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
132
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
133 virtual void mark_for_possible_ans_assign (void)
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
134 { panic_impossible (); }
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
135
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
136 virtual tree_constant eval (int print) = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
137
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
138 protected:
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
139 type etype;
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
140 };
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
141
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
142 // General matrices. This allows us to construct matrices from
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
143 // other matrices, variables, and functions.
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
144
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
145 class
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
146 tree_matrix : public tree_expression
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
147 {
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
148 public:
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
149 enum dir
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
150 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
151 md_none,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
152 md_right,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
153 md_down,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
154 };
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
155
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
156 tree_matrix (void)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
157 {
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
158 direction = tree_matrix::md_none;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
159 element = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
160 next = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
161 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
162
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
163 tree_matrix (tree_expression *e, tree_matrix::dir d)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
164 {
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
165 direction = d;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
166 element = e;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
167 next = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
168 }
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
169
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
170 ~tree_matrix (void);
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
171
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
172 tree_matrix *chain (tree_expression *e, tree_matrix::dir d);
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
173 tree_matrix *reverse (void);
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
174 int length (void);
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
175
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
176 tree_return_list *to_return_list (void);
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
177
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
178 tree_constant eval (int print);
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
179
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
180 void print_code (ostream& os);
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
181
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
182 private:
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
183 tree_matrix::dir direction; // Direction from the previous element.
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
184 tree_expression *element;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
185 tree_matrix *next;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
186 };
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
187
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
188 // A base class for objects that can be return multiple values
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
189
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
190 class
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
191 tree_multi_val_ret : public tree_expression
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
192 {
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
193 public:
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
194 tree_multi_val_ret (int l = -1, int c = -1) : tree_expression (l, c) { }
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
195
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
196 int is_multi_val_ret_expression (void) const
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
197 { return 1; }
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
198
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
199 tree_constant eval (int print);
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
200
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
201 virtual Octave_object eval (int print, int nargout,
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
202 const Octave_object& args) = 0;
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
203 };
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
204
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
205 // A base class for objects that can be evaluated with argument lists.
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
206
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
207 class
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
208 tree_fvc : public tree_multi_val_ret
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
209 {
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
210 public:
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
211 tree_fvc (int l = -1, int c = -1) : tree_multi_val_ret (l, c) { }
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
212
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
213 virtual int is_constant (void) const
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
214 { return 0; }
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
215
506
0f388340e607 [project @ 1994-07-09 06:10:34 by jwe]
jwe
parents: 504
diff changeset
216 virtual tree_constant assign (tree_constant& t, const Octave_object& args);
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
217
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
218 virtual char *name (void) const
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 508
diff changeset
219 { panic_impossible (); return 0; }
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
220
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
221 virtual void bump_value (tree_expression::type)
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
222 { panic_impossible (); }
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
223
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
224 virtual int max_expected_args (void)
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
225 { panic_impossible (); return 0; }
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
226
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
227 virtual char *fcn_file_name (void)
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 508
diff changeset
228 { return 0; }
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
229
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
230 virtual time_t time_parsed (void)
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
231 { panic_impossible (); return 0; }
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
232
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
233 virtual int is_system_fcn_file (void) const
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
234 { return 0; }
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
235
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
236 virtual int save (ostream& os, int mark_as_global = 0,
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
237 int precision = 17)
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
238 { panic_impossible (); return 0; }
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
239 };
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
240
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
241 // Symbols from the symbol table.
529
7ea224e713cd [project @ 1994-07-20 18:54:27 by jwe]
jwe
parents: 508
diff changeset
242
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
243 class
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
244 tree_identifier : public tree_fvc
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
245 {
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
246 friend class tree_index_expression;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
247
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
248 public:
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
249 tree_identifier (int l = -1, int c = -1) : tree_fvc (l, c)
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
250 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
251 sym = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
252 maybe_do_ans_assign = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
253 }
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
254
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
255 tree_identifier (symbol_record *s, int l = -1, int c = -1) : tree_fvc (l, c)
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
256 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
257 sym = s;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
258 maybe_do_ans_assign = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
259 }
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
260
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
261 ~tree_identifier (void) { }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
262
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
263 int is_identifier (void) const
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
264 { return 1; }
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
265
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
266 char *name (void) const;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
267
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
268 tree_identifier *define (tree_constant *t);
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
269 tree_identifier *define (tree_function *t);
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
270
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
271 void document (char *s);
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
272
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
273 tree_constant assign (tree_constant& t);
506
0f388340e607 [project @ 1994-07-09 06:10:34 by jwe]
jwe
parents: 504
diff changeset
274 tree_constant assign (tree_constant& t, const Octave_object& args);
500
5f91088cb98e [project @ 1994-07-08 02:16:02 by jwe]
jwe
parents: 494
diff changeset
275
5f91088cb98e [project @ 1994-07-08 02:16:02 by jwe]
jwe
parents: 494
diff changeset
276 int is_defined (void);
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
277
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
278 void bump_value (tree_expression::type);
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
279
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
280 tree_fvc *do_lookup (int& script_file_executed);
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
281
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
282 void link_to_global (void)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
283 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
284 if (sym)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
285 ::link_to_global_variable (sym);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
286 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
287
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
288 void mark_as_formal_parameter (void);
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
289
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
290 void mark_for_possible_ans_assign (void)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
291 { maybe_do_ans_assign = 1; }
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
292
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
293 tree_constant eval (int print);
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
294
506
0f388340e607 [project @ 1994-07-09 06:10:34 by jwe]
jwe
parents: 504
diff changeset
295 Octave_object eval (int print, int nargout, const Octave_object& args);
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
296
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
297 void eval_undefined_error (void);
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
298
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
299 void print_code (ostream& os);
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
300
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
301 private:
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
302 symbol_record *sym;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
303 int maybe_do_ans_assign;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
304 };
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
305
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
306 // Index expressions.
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
307
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
308 class
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
309 tree_index_expression : public tree_multi_val_ret
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
310 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
311 public:
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
312 tree_index_expression (int l = -1, int c = -1) : tree_multi_val_ret (l, c)
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
313 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
314 id = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
315 list = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
316 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
317
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
318 tree_index_expression (tree_identifier *i, int l = -1, int c = -1)
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
319 : tree_multi_val_ret (l, c)
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
320 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
321 id = i;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
322 list = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
323 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
324
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
325 tree_index_expression (tree_identifier *i, tree_argument_list *lst,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
326 int l = -1, int c = -1)
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
327 : tree_multi_val_ret (l, c)
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
328 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
329 id = i;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
330 list = lst;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
331 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
332
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
333 ~tree_index_expression (void);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
334
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
335 int is_index_expression (void) const
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
336 { return 1; }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
337
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
338 tree_identifier *ident (void)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
339 { return id; }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
340
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
341 tree_argument_list *arg_list (void)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
342 { return list; }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
343
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
344 void mark_for_possible_ans_assign (void)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
345 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
346 if (id)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
347 id->mark_for_possible_ans_assign ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
348 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
349
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
350 tree_constant eval (int print);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
351
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
352 Octave_object eval (int print, int nargout, const Octave_object& args);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
353
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
354 void eval_error (void);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
355
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
356 void print_code (ostream& os);
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
357
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
358 private:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
359 tree_identifier *id;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
360 tree_argument_list *list;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
361 };
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
362
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
363 // Prefix expressions.
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
364
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
365 class
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
366 tree_prefix_expression : public tree_expression
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
367 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
368 public:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
369 tree_prefix_expression (int l = -1, int c = -1) : tree_expression (l, c)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
370 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
371 id = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
372 etype = unknown;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
373 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
374
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
375 tree_prefix_expression (tree_identifier *t, tree_expression::type et,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
376 int l = -1, int c = -1)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
377 : tree_expression (l, c)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
378 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
379 id = t;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
380 etype = et;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
381 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
382
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
383 ~tree_prefix_expression (void)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
384 { delete id; }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
385
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
386 tree_constant eval (int print);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
387
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
388 void eval_error (void);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
389
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
390 int is_prefix_expression (void) const
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
391 { return 1; }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
392
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
393 char *oper (void) const;
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
394
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
395 void print_code (ostream& os);
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
396
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
397 private:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
398 tree_identifier *id;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
399 };
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
400
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
401 // Postfix expressions.
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
402
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
403 class
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
404 tree_postfix_expression : public tree_expression
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
405 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
406 public:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
407 tree_postfix_expression (int l = -1, int c = -1) : tree_expression (l, c)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
408 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
409 id = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
410 etype = unknown;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
411 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
412
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
413 tree_postfix_expression (tree_identifier *t, tree_expression::type et,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
414 int l = -1, int c = -1)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
415 : tree_expression (l, c)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
416 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
417 id = t;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
418 etype = et;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
419 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
420
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
421 ~tree_postfix_expression (void)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
422 { delete id; }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
423
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
424 tree_constant eval (int print);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
425
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
426 void eval_error (void);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
427
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
428 char *oper (void) const;
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
429
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
430 void print_code (ostream& os);
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
431
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
432 private:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
433 tree_identifier *id;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
434 };
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
435
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
436 // Unary expressions.
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
437
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
438 class
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
439 tree_unary_expression : public tree_expression
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
440 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
441 public:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
442 tree_unary_expression (int l = -1, int c = -1) : tree_expression (l, c)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
443 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
444 etype = tree_expression::unknown;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
445 op = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
446 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
447
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
448 tree_unary_expression (tree_expression *a, tree_expression::type t,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
449 int l = -1, int c = -1)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
450 : tree_expression (l, c)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
451 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
452 etype = t;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
453 op = a;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
454 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
455
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
456 ~tree_unary_expression (void)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
457 { delete op; }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
458
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
459 tree_constant eval (int print);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
460
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
461 void eval_error (void);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
462
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
463 char *oper (void) const;
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
464
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
465 void print_code (ostream& os);
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
466
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
467 private:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
468 tree_expression *op;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
469 };
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
470
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
471 // Binary expressions.
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
472
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
473 class
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
474 tree_binary_expression : public tree_expression
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
475 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
476 public:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
477 tree_binary_expression (int l = -1, int c = -1) : tree_expression (l, c)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
478 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
479 etype = tree_expression::unknown;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
480 op1 = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
481 op2 = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
482 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
483
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
484 tree_binary_expression (tree_expression *a, tree_expression *b,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
485 tree_expression::type t, int l = -1, int c = -1)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
486 : tree_expression (l, c)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
487 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
488 etype = t;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
489 op1 = a;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
490 op2 = b;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
491 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
492
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
493 ~tree_binary_expression (void)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
494 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
495 delete op1;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
496 delete op2;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
497 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
498
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
499 tree_constant eval (int print);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
500
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
501 void eval_error (void);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
502
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
503 char *oper (void) const;
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
504
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
505 void print_code (ostream& os);
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
506
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
507 private:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
508 tree_expression *op1;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
509 tree_expression *op2;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
510 };
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
511
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
512 // Simple assignment expressions.
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
513
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
514 class
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
515 tree_simple_assignment_expression : public tree_expression
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
516 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
517 public:
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
518 void init (int plhs, int ans_assign)
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
519 {
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
520 etype = tree_expression::assignment;
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
521 lhs = 0;
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
522 index = 0;
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
523 rhs = 0;
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
524 preserve = plhs;
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
525 ans_ass = ans_assign;
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
526 }
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
527
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
528 tree_simple_assignment_expression (int plhs = 0, int ans_assign = 0,
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
529 int l = -1, int c = -1)
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
530 : tree_expression (l, c)
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
531 { init (plhs, ans_assign); }
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
532
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
533 tree_simple_assignment_expression (tree_identifier *i,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
534 tree_expression *r,
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
535 int plhs = 0, int ans_assign = 0,
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
536 int l = -1, int c = -1)
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
537 : tree_expression (l, c)
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
538 {
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
539 init (plhs, ans_assign);
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
540 lhs = i;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
541 rhs = r;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
542 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
543
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
544 tree_simple_assignment_expression (tree_index_expression *idx_expr,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
545 tree_expression *r,
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
546 int plhs = 0, int ans_assign = 0,
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
547 int l = -1, int c = -1)
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
548 : tree_expression (l, c)
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
549 {
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
550 init (plhs, ans_assign);
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
551 lhs = idx_expr->ident ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
552 index = idx_expr->arg_list ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
553 rhs = r;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
554 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
555
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
556 ~tree_simple_assignment_expression (void);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
557
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
558 tree_identifier *left_hand_side (void)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
559 { return lhs; }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
560
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
561 int is_ans_assign (void)
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
562 { return ans_ass; }
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
563
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
564 tree_constant eval (int print);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
565
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
566 int is_assignment_expression (void) const
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
567 { return 1; }
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
568
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
569 void eval_error (void);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
570
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
571 void print_code (ostream& os);
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
572
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
573 private:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
574 tree_identifier *lhs;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
575 tree_argument_list *index;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
576 tree_expression *rhs;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
577 int preserve;
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
578 int ans_ass;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
579 };
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
580
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
581 // Multi-valued assignment expressions.
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
582
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
583 class
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
584 tree_multi_assignment_expression : public tree_multi_val_ret
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
585 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
586 public:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
587 tree_multi_assignment_expression (int l = -1, int c = -1)
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
588 : tree_multi_val_ret (l, c)
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
589 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
590 etype = tree_expression::multi_assignment;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
591 lhs = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
592 rhs = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
593 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
594
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
595 tree_multi_assignment_expression (tree_return_list *lst,
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
596 tree_multi_val_ret *r,
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
597 int l = -1, int c = -1)
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
598 : tree_multi_val_ret (l, c)
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
599 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
600 etype = tree_expression::multi_assignment;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
601 lhs = lst;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
602 rhs = r;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
603 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
604
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
605 ~tree_multi_assignment_expression (void);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
606
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
607 tree_constant eval (int print);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
608
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
609 Octave_object eval (int print, int nargout, const Octave_object& args);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
610
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
611 int is_assignment_expression (void) const
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
612 { return 1; }
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
613
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
614 void eval_error (void);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
615
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
616 void print_code (ostream& os);
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
617
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
618 private:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
619 tree_return_list *lhs;
666
fb4f6556b443 [project @ 1994-09-06 21:22:46 by jwe]
jwe
parents: 640
diff changeset
620 tree_multi_val_ret *rhs;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
621 };
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
622
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
623 // Colon expressions.
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
624
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
625 class
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
626 tree_colon_expression : public tree_expression
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
627 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
628 public:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
629 tree_colon_expression (int l = -1, int c = -1) : tree_expression (l, c)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
630 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
631 etype = tree_expression::colon;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
632 op1 = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
633 op2 = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
634 op3 = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
635 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
636
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
637 tree_colon_expression (tree_expression *a, tree_expression *b,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
638 int l = -1, int c = -1)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
639 : tree_expression (l, c)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
640 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
641 etype = tree_expression::colon;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
642 op1 = a;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
643 op2 = b;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
644 op3 = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
645 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
646
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
647 ~tree_colon_expression (void)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
648 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
649 delete op1;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
650 delete op2;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
651 delete op3;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
652 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
653
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
654 tree_colon_expression *chain (tree_expression *t);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
655
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
656 tree_constant eval (int print);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
657
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
658 void eval_error (const char *s);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
659
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
660 void print_code (ostream& os);
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
661
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
662 private:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
663 tree_expression *op1;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
664 tree_expression *op2;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
665 tree_expression *op3;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
666 };
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
667
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
668 // Builtin functions.
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
669
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
670 class
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
671 tree_builtin : public tree_fvc
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
672 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
673 public:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
674 tree_builtin (const char *nm = 0);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
675
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
676 tree_builtin (int i_max, int o_max, Mapper_fcn& m_fcn,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
677 const char *nm = 0);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
678
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
679 tree_builtin (int i_max, int o_max, Octave_builtin_fcn f,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
680 const char *nm = 0);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
681
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
682 ~tree_builtin (void) { }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
683
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
684 // int is_builtin (void) const;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
685
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
686 int is_mapper_function (void) const
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
687 { return is_mapper; }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
688
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
689 tree_constant eval (int print);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
690
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
691 Octave_object eval (int print, int nargout, const Octave_object& args);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
692
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
693 char *name (void) const
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
694 { return my_name; }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
695
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
696 int max_expected_args (void);
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
697
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
698 void print_code (ostream& os)
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
699 {
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
700 os << my_name << " can't be printed because it is a builtin function\n";
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
701 }
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
702
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
703 private:
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
704 int nargin_max;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
705 int nargout_max;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
706 int is_mapper;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
707 Mapper_fcn mapper_fcn;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
708 Octave_builtin_fcn fcn;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
709 char *my_name;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
710 };
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
711
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
712 // User defined functions.
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
713
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
714 class
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
715 tree_function : public tree_fvc
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
716 {
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
717 public:
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
718 void init (void)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
719 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
720 call_depth = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
721 param_list = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
722 ret_list = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
723 sym_tab = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
724 cmd_list = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
725 file_name = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
726 fcn_name = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
727 t_parsed = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
728 system_fcn_file = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
729 num_named_args = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
730 num_args_passed = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
731 curr_va_arg_number = 0;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
732 }
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
733
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
734 tree_function (int l = -1, int c = -1) : tree_fvc (l, c)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
735 { init (); }
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
736
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
737 tree_function (tree_statement_list *cl, symbol_table *st,
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
738 int l = -1, int c = -1)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
739 : tree_fvc (l, c)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
740 {
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
741 init ();
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
742 sym_tab = st;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
743 cmd_list = cl;
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
744 }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
745
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
746 ~tree_function (void) { }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
747
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
748 // tree_function *define (tree_statement_list *t);
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
749 tree_function *define_param_list (tree_parameter_list *t);
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
750 tree_function *define_ret_list (tree_parameter_list *t);
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
751
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
752 void stash_fcn_file_name (char * s);
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
753
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
754 void stash_fcn_file_time (time_t t)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
755 { t_parsed = t; }
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
756
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
757 char *fcn_file_name (void)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
758 { return file_name; }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
759
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
760 time_t time_parsed (void)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
761 { return t_parsed; }
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
762
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
763 void mark_as_system_fcn_file (void);
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
764
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
765 int is_system_fcn_file (void) const
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
766 { return system_fcn_file; }
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
767
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
768 int takes_varargs (void) const;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
769
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
770 void octave_va_start (void)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
771 { curr_va_arg_number = num_named_args; }
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
772
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
773 tree_constant octave_va_arg (void);
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
774
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
775 void stash_function_name (char *s);
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
776
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
777 char *function_name (void)
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
778 { return fcn_name; }
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
779
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
780 tree_constant eval (int print);
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
781
506
0f388340e607 [project @ 1994-07-09 06:10:34 by jwe]
jwe
parents: 504
diff changeset
782 Octave_object eval (int print, int nargout, const Octave_object& args);
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
783
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
784 int max_expected_args (void);
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
785
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
786 void traceback_error (void);
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
787
581
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
788 void print_code (ostream& os);
bc813f5eb025 [project @ 1994-08-07 01:02:15 by jwe]
jwe
parents: 578
diff changeset
789
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
790 private:
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
791 int call_depth;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
792 tree_parameter_list *param_list;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
793 tree_parameter_list *ret_list;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
794 symbol_table *sym_tab;
578
d169be9237fb [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents: 572
diff changeset
795 tree_statement_list *cmd_list;
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
796 char *file_name;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
797 char *fcn_name;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
798 time_t t_parsed;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
799 int system_fcn_file;
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
800 int num_named_args;
500
5f91088cb98e [project @ 1994-07-08 02:16:02 by jwe]
jwe
parents: 494
diff changeset
801 Octave_object args_passed;
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
802 int num_args_passed;
508
ef71e51a2280 [project @ 1994-07-10 02:06:07 by jwe]
jwe
parents: 506
diff changeset
803 int curr_va_arg_number;
494
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
804 };
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
805
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
806 #endif
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
807
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
808 /*
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
809 ;;; Local Variables: ***
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
810 ;;; mode: C++ ***
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
811 ;;; page-delimiter: "^/\\*" ***
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
812 ;;; End: ***
2c4d694b87e9 [project @ 1994-07-06 14:55:23 by jwe]
jwe
parents:
diff changeset
813 */