Test$.class

Test-asm.java

import java.util.*;

import org.objectweb.asm.*;

public class Test$Dump implements Opcodes {

    public static byte[] dump() throws Exception {

        ClassWriter cw = new ClassWriter(0);
        FieldVisitor fv;
        MethodVisitor mv;
        AnnotationVisitor av0;

        cw.visit(V1_6, ACC_PUBLIC + ACC_FINAL + ACC_SUPER, "Test$", null, "java/lang/Object", null);

        cw.visitSource("Test.scala", null);

// ATTRIBUTE Scala
// ATTRIBUTE ScalaInlineInfo
        cw.visitInnerClass("scala/Predef$ArrowAssoc$", "scala/Predef", "ArrowAssoc$", ACC_PUBLIC + ACC_STATIC);

        {
            fv = cw.visitField(ACC_PUBLIC + ACC_FINAL + ACC_STATIC, "MODULE$", "LTest$;", null, null);
            fv.visitEnd();
        }
        {
            fv = cw.visitField(ACC_PRIVATE + ACC_FINAL, "tuple", "Lscala/Tuple2;", "Lscala/Tuple2<Ljava/lang/String;Ljava/lang/String;>;", null);
            fv.visitEnd();
        }
        {
            mv = cw.visitMethod(ACC_PUBLIC + ACC_STATIC, "<clinit>", "()V", null, null);
            mv.visitCode();
            mv.visitTypeInsn(NEW, "Test$");
            mv.visitMethodInsn(INVOKESPECIAL, "Test$", "<init>", "()V", false);
            mv.visitInsn(RETURN);
            mv.visitMaxs(1, 0);
            mv.visitEnd();
        }
        {
            mv = cw.visitMethod(ACC_PUBLIC, "tuple", "()Lscala/Tuple2;", "()Lscala/Tuple2<Ljava/lang/String;Ljava/lang/String;>;", null);
            mv.visitCode();
            Label l0 = new Label();
            mv.visitLabel(l0);
            mv.visitLineNumber(2, l0);
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, "Test$", "tuple", "Lscala/Tuple2;");
            mv.visitInsn(ARETURN);
            Label l1 = new Label();
            mv.visitLabel(l1);
            mv.visitLocalVariable("this", "LTest$;", null, l0, l1, 0);
            mv.visitMaxs(1, 1);
            mv.visitEnd();
        }
        {
            mv = cw.visitMethod(ACC_PRIVATE, "<init>", "()V", null, null);
            mv.visitCode();
            Label l0 = new Label();
            mv.visitLabel(l0);
            mv.visitLineNumber(3, l0);
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(PUTSTATIC, "Test$", "MODULE$", "LTest$;");
            Label l1 = new Label();
            mv.visitLabel(l1);
            mv.visitLineNumber(2, l1);
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETSTATIC, "scala/Predef$ArrowAssoc$", "MODULE$", "Lscala/Predef$ArrowAssoc$;");
            mv.visitFieldInsn(GETSTATIC, "scala/Predef$", "MODULE$", "Lscala/Predef$;");
            mv.visitLdcInsn("aaa");
            mv.visitMethodInsn(INVOKEVIRTUAL, "scala/Predef$", "ArrowAssoc", "(Ljava/lang/Object;)Ljava/lang/Object;", false);
            mv.visitLdcInsn("bbb");
            mv.visitMethodInsn(INVOKEVIRTUAL, "scala/Predef$ArrowAssoc$", "$minus$greater$extension", "(Ljava/lang/Object;Ljava/lang/Object;)Lscala/Tuple2;", false);
            mv.visitFieldInsn(PUTFIELD, "Test$", "tuple", "Lscala/Tuple2;");
            mv.visitInsn(RETURN);
            Label l2 = new Label();
            mv.visitLabel(l2);
            mv.visitLocalVariable("this", "LTest$;", null, l0, l2, 0);
            mv.visitMaxs(4, 1);
            mv.visitEnd();
        }
        cw.visitEnd();

        return cw.toByteArray();
    }
}

Test.scala

object Test {
  val tuple = "aaa" -> "bbb"
}