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
|
package scala.reflect
class Selectable(val receiver: Any) extends AnyVal with scala.Selectable {
def selectDynamic(name: String): Any = {
val rcls = receiver.getClass
try {
val fld = rcls.getField(name)
fld.get(receiver)
}
catch {
case ex: NoSuchFieldError =>
selectDynamicMethod(name).asInstanceOf[() => Any]()
}
}
override def selectDynamicMethod(name: String, paramTypes: ClassTag[_]*): Any = {
val rcls = receiver.getClass
val paramClasses = paramTypes.map(_.runtimeClass)
val mth = rcls.getMethod(name, paramClasses: _*)
paramTypes.length match {
case 0 => () =>
mth.invoke(receiver)
case 1 => (x0: Any) =>
mth.invoke(receiver, x0.asInstanceOf[Object])
case 2 => (x0: Any, x1: Any) =>
mth.invoke(receiver,
x0.asInstanceOf[Object],
x1.asInstanceOf[Object])
case 3 => (x0: Any, x1: Any, x2: Any) =>
mth.invoke(receiver,
x0.asInstanceOf[Object],
x1.asInstanceOf[Object],
x2.asInstanceOf[Object])
case 4 => (x0: Any, x1: Any, x2: Any, x3: Any) =>
mth.invoke(receiver,
x0.asInstanceOf[Object],
x1.asInstanceOf[Object],
x2.asInstanceOf[Object],
x3.asInstanceOf[Object])
case 5 => (x0: Any, x1: Any, x2: Any, x3: Any, x4: Any) =>
mth.invoke(receiver,
x0.asInstanceOf[Object],
x1.asInstanceOf[Object],
x2.asInstanceOf[Object],
x3.asInstanceOf[Object],
x4.asInstanceOf[Object])
case 6 => (x0: Any, x1: Any, x2: Any, x3: Any, x4: Any, x5: Any) =>
mth.invoke(receiver,
x0.asInstanceOf[Object],
x1.asInstanceOf[Object],
x2.asInstanceOf[Object],
x3.asInstanceOf[Object],
x4.asInstanceOf[Object],
x5.asInstanceOf[Object])
case 7 => (x0: Any, x1: Any, x2: Any, x3: Any, x4: Any, x5: Any, x6: Any) =>
mth.invoke(receiver,
x0.asInstanceOf[Object],
x1.asInstanceOf[Object],
x2.asInstanceOf[Object],
x3.asInstanceOf[Object],
x4.asInstanceOf[Object],
x5.asInstanceOf[Object],
x6.asInstanceOf[Object])
}
}
}
object Selectable {
implicit def reflectiveSelectable(receiver: Any): scala.Selectable = receiver match {
case receiver: scala.Selectable => receiver
case _ => new Selectable(receiver)
}
}
|
