blob: 9a149a3325971464fd7330ab0965d0cf67b9b506 (
plain)
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
|
package org.checkerframework.dataflow.cfg.node;
import com.sun.source.tree.ConditionalExpressionTree;
import com.sun.source.tree.Tree.Kind;
import java.util.Collection;
import java.util.LinkedList;
import org.checkerframework.dataflow.util.HashCodeUtils;
import org.checkerframework.javacutil.InternalUtils;
/**
* A node for a conditional expression:
*
* <pre>
* <em>expression</em> ? <em>expression</em> : <em>expression</em>
* </pre>
*
* @author Stefan Heule
* @author Charlie Garrett
*/
public class TernaryExpressionNode extends Node {
protected ConditionalExpressionTree tree;
protected Node condition;
protected Node thenOperand;
protected Node elseOperand;
public TernaryExpressionNode(
ConditionalExpressionTree tree, Node condition, Node thenOperand, Node elseOperand) {
super(InternalUtils.typeOf(tree));
assert tree.getKind().equals(Kind.CONDITIONAL_EXPRESSION);
this.tree = tree;
this.condition = condition;
this.thenOperand = thenOperand;
this.elseOperand = elseOperand;
}
public Node getConditionOperand() {
return condition;
}
public Node getThenOperand() {
return thenOperand;
}
public Node getElseOperand() {
return elseOperand;
}
@Override
public ConditionalExpressionTree getTree() {
return tree;
}
@Override
public <R, P> R accept(NodeVisitor<R, P> visitor, P p) {
return visitor.visitTernaryExpression(this, p);
}
@Override
public String toString() {
return "("
+ getConditionOperand()
+ " ? "
+ getThenOperand()
+ " : "
+ getElseOperand()
+ ")";
}
@Override
public boolean equals(Object obj) {
if (obj == null || !(obj instanceof TernaryExpressionNode)) {
return false;
}
TernaryExpressionNode other = (TernaryExpressionNode) obj;
return getConditionOperand().equals(other.getConditionOperand())
&& getThenOperand().equals(other.getThenOperand())
&& getElseOperand().equals(other.getElseOperand());
}
@Override
public int hashCode() {
return HashCodeUtils.hash(getConditionOperand(), getThenOperand(), getElseOperand());
}
@Override
public Collection<Node> getOperands() {
LinkedList<Node> list = new LinkedList<Node>();
list.add(getConditionOperand());
list.add(getThenOperand());
list.add(getElseOperand());
return list;
}
}
|
