-
Notifications
You must be signed in to change notification settings - Fork 130
/
NQPToBooleanNode.java
50 lines (40 loc) · 1.36 KB
/
NQPToBooleanNode.java
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
package org.perl6.nqp.truffle.nodes;
import com.oracle.truffle.api.dsl.Specialization;
import org.perl6.nqp.truffle.runtime.NQPListIterator;
import org.perl6.nqp.truffle.runtime.NQPList;
import org.perl6.nqp.truffle.runtime.NQPNull;
import org.perl6.nqp.truffle.sixmodel.SerializationContext;
public abstract class NQPToBooleanNode extends NQPBaseNode {
public abstract boolean executeBoolean(Object value);
@Specialization
protected boolean doString(String value) {
return ((String) value != "") ? true : false;
}
@Specialization
protected boolean doLong(Long value) {
return ((long) value) != 0 ? true : false;
}
@Specialization
protected boolean doDouble(Double value) {
return ((double) value) != 0 ? true : false;
}
@Specialization
protected boolean doNQPList(NQPList value) {
return value.elems() != 0;
}
@Specialization
protected boolean doNQPListIterator(NQPListIterator value) {
return ((NQPListIterator) value).boolify();
}
@Specialization
protected boolean doSerializationContext(SerializationContext value) {
return true;
}
@Specialization(guards = "isNull(value)")
protected boolean doNQPNull(Object value) {
return false;
}
protected final boolean isNull(Object value) {
return value == NQPNull.SINGLETON;
}
}