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Last active Aug 29, 2015
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package test
trait Ugh
class Test {
def ugh = new Ugh {
def blah: Int = 999
}
}
class Main {
def foo: Int = (new Test).ugh.blah
}
//scalac -Xprint:typer test.scala
[[syntax trees at end of typer]] // test.scala
package test {
abstract trait Ugh extends scala.AnyRef;
class Test extends scala.AnyRef {
def <init>(): test.Test = {
Test.super.<init>();
()
};
def ugh: test.Ugh{def blah: Int} = {
final class $anon extends AnyRef with test.Ugh {
def <init>(): anonymous class $anon = {
$anon.super.<init>();
()
};
def blah: Int = 999
};
new $anon()
}
};
class Main extends scala.AnyRef {
def <init>(): test.Main = {
Main.super.<init>();
()
};
def foo: Int = new Test().ugh.blah
}
}
//javap -c -private test.Main
Compiled from "test.scala"
public class test.Main {
private static java.lang.Class[] reflParams$Cache1;
private static volatile java.lang.ref.SoftReference reflPoly$Cache1;
public static {};
Code:
0: iconst_0
1: anewarray #12 // class java/lang/Class
4: putstatic #16 // Field reflParams$Cache1:[Ljava/lang/Class;
7: new #18 // class java/lang/ref/SoftReference
10: dup
11: new #20 // class scala/runtime/EmptyMethodCache
14: dup
15: invokespecial #23 // Method scala/runtime/EmptyMethodCache."<init>":()V
18: invokespecial #26 // Method java/lang/ref/SoftReference."<init>":(Ljava/lang/Object;)V
21: putstatic #30 // Field reflPoly$Cache1:Ljava/lang/ref/SoftReference;
24: return
public static java.lang.reflect.Method reflMethod$Method1(java.lang.Class);
Code:
0: getstatic #30 // Field reflPoly$Cache1:Ljava/lang/ref/SoftReference;
3: invokevirtual #36 // Method java/lang/ref/SoftReference.get:()Ljava/lang/Object;
6: checkcast #38 // class scala/runtime/MethodCache
9: astore_1
10: aload_1
11: ifnonnull 33
14: new #20 // class scala/runtime/EmptyMethodCache
17: dup
18: invokespecial #23 // Method scala/runtime/EmptyMethodCache."<init>":()V
21: astore_1
22: new #18 // class java/lang/ref/SoftReference
25: dup
26: aload_1
27: invokespecial #26 // Method java/lang/ref/SoftReference."<init>":(Ljava/lang/Object;)V
30: putstatic #30 // Field reflPoly$Cache1:Ljava/lang/ref/SoftReference;
33: aload_1
34: aload_0
35: invokevirtual #41 // Method scala/runtime/MethodCache.find:(Ljava/lang/Class;)Ljava/lang/reflect/Method;
38: astore_2
39: aload_2
40: ifnull 45
43: aload_2
44: areturn
45: getstatic #47 // Field scala/runtime/ScalaRunTime$.MODULE$:Lscala/runtime/ScalaRunTime$;
48: aload_0
49: ldc #49 // String blah
51: getstatic #16 // Field reflParams$Cache1:[Ljava/lang/Class;
54: invokevirtual #53 // Method java/lang/Class.getMethod:(Ljava/lang/String;[Ljava/lang/Class;)Ljava/lang/reflect/Method;
57: invokevirtual #57 // Method scala/runtime/ScalaRunTime$.ensureAccessible:(Ljava/lang/reflect/Method;)Ljava/lang/reflect/Method;
60: astore_2
61: new #18 // class java/lang/ref/SoftReference
64: dup
65: aload_1
66: aload_0
67: aload_2
68: invokevirtual #61 // Method scala/runtime/MethodCache.add:(Ljava/lang/Class;Ljava/lang/reflect/Method;)Lscala/runtime/MethodCache;
71: invokespecial #26 // Method java/lang/ref/SoftReference."<init>":(Ljava/lang/Object;)V
74: putstatic #30 // Field reflPoly$Cache1:Ljava/lang/ref/SoftReference;
77: aload_2
78: areturn
public int foo();
Code:
0: new #75 // class test/Test
3: dup
4: invokespecial #76 // Method test/Test."<init>":()V
7: invokevirtual #80 // Method test/Test.ugh:()Ltest/Ugh;
10: astore_1
11: aload_1
12: invokevirtual #84 // Method java/lang/Object.getClass:()Ljava/lang/Class;
15: invokestatic #86 // Method reflMethod$Method1:(Ljava/lang/Class;)Ljava/lang/reflect/Method;
18: aload_1
19: iconst_0
20: anewarray #4 // class java/lang/Object
23: invokevirtual #90 // Method java/lang/reflect/Method.invoke:(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;
26: checkcast #92 // class java/lang/Integer
29: invokestatic #98 // Method scala/runtime/BoxesRunTime.unboxToInt:(Ljava/lang/Object;)I
32: ireturn
33: astore_2
34: aload_2
35: invokevirtual #102 // Method java/lang/reflect/InvocationTargetException.getCause:()Ljava/lang/Throwable;
38: athrow
Exception table:
from to target type
11 26 33 Class java/lang/reflect/InvocationTargetException
public test.Main();
Code:
0: aload_0
1: invokespecial #109 // Method java/lang/Object."<init>":()V
4: return
}
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