1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
/* valaccodebinaryexpression.vala
*
* Copyright (C) 2006-2008 Jürg Billeter
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author:
* Jürg Billeter <j@bitron.ch>
*/
using GLib;
/**
* Represents an expression with two operands in C code.
*/
public class Vala.CCodeBinaryExpression : CCodeExpression {
/**
* The binary operator.
*/
public CCodeBinaryOperator operator { get; set; }
/**
* The left operand.
*/
public CCodeExpression left { get; set; }
/**
* The right operand.
*/
public CCodeExpression right { get; set; }
public CCodeBinaryExpression (CCodeBinaryOperator op, CCodeExpression l, CCodeExpression r) {
operator = op;
left = l;
right = r;
}
public override void write (CCodeWriter writer) {
left.write_inner (writer);
writer.write_string (" ");
if (operator == CCodeBinaryOperator.PLUS) {
writer.write_string ("+");
} else if (operator == CCodeBinaryOperator.MINUS) {
writer.write_string ("-");
} else if (operator == CCodeBinaryOperator.MUL) {
writer.write_string ("*");
} else if (operator == CCodeBinaryOperator.DIV) {
writer.write_string ("/");
} else if (operator == CCodeBinaryOperator.MOD) {
writer.write_string ("%");
} else if (operator == CCodeBinaryOperator.SHIFT_LEFT) {
writer.write_string ("<<");
} else if (operator == CCodeBinaryOperator.SHIFT_RIGHT) {
writer.write_string (">>");
} else if (operator == CCodeBinaryOperator.LESS_THAN) {
writer.write_string ("<");
} else if (operator == CCodeBinaryOperator.GREATER_THAN) {
writer.write_string (">");
} else if (operator == CCodeBinaryOperator.LESS_THAN_OR_EQUAL) {
writer.write_string ("<=");
} else if (operator == CCodeBinaryOperator.GREATER_THAN_OR_EQUAL) {
writer.write_string (">=");
} else if (operator == CCodeBinaryOperator.EQUALITY) {
writer.write_string ("==");
} else if (operator == CCodeBinaryOperator.INEQUALITY) {
writer.write_string ("!=");
} else if (operator == CCodeBinaryOperator.BITWISE_AND) {
writer.write_string ("&");
} else if (operator == CCodeBinaryOperator.BITWISE_OR) {
writer.write_string ("|");
} else if (operator == CCodeBinaryOperator.BITWISE_XOR) {
writer.write_string ("^");
} else if (operator == CCodeBinaryOperator.AND) {
writer.write_string ("&&");
} else if (operator == CCodeBinaryOperator.OR) {
writer.write_string ("||");
}
writer.write_string (" ");
right.write_inner (writer);
}
public override void write_inner (CCodeWriter writer) {
writer.write_string ("(");
this.write (writer);
writer.write_string (")");
}
}
public enum Vala.CCodeBinaryOperator {
PLUS,
MINUS,
MUL,
DIV,
MOD,
SHIFT_LEFT,
SHIFT_RIGHT,
LESS_THAN,
GREATER_THAN,
LESS_THAN_OR_EQUAL,
GREATER_THAN_OR_EQUAL,
EQUALITY,
INEQUALITY,
BITWISE_AND,
BITWISE_OR,
BITWISE_XOR,
AND,
OR
}
|