First steps with dynamic loading.

We can now (sort of) load cafebabe-generated classes in memory. The API
is not final.

src/main/scala/cafebabe/ClassFile.scala

@@ -109,12 +109,9 @@ class ClassFile(val className: String, parentName: Option[String] = None) extend
 
   /** Loads the class using the current class loader. */
   def dynamicallyLoad : Unit = {
-    throw new Error("Not supported yet.")
-    /*
     val byteStream = (new ByteStream) << this
     val bytes : Array[Byte] = byteStream.getBytes
     CustomClassLoader.registerClass(className, bytes)
-    */
   }
 
   def toStream(byteStream: ByteStream): ByteStream = {

src/main/scala/cafebabe/Defaults.scala

@@ -8,7 +8,7 @@ object Defaults {
   val defaultMinor: U2 = 0
   val defaultMajor: U2 = 49 // J2SE 6.0=50, J2SE 5.0=49, JDK 1.4=48, JDK 1.3=47, JDK 1.2=46, JDK 1.1=45
 
-  val defaultClassAccessFlags: U2  = /* CLASS_ACC_PUBLIC | */ CLASS_ACC_SUPER
+  val defaultClassAccessFlags: U2  = CLASS_ACC_PUBLIC | CLASS_ACC_SUPER
   val defaultMethodAccessFlags: U2 = METHOD_ACC_PUBLIC
   val defaultFieldAccessFlags: U2  = FIELD_ACC_PROTECTED
 

src/test/scala/cafebabe/test/DynamicLoading.scala

@@ -0,0 +1,25 @@
+package cafebabe.test
+
+import cafebabe._
+import cafebabe.ByteCodes._
+import cafebabe.AbstractByteCodes._
+
+import org.scalatest.FunSuite
+class DynamicLoading extends FunSuite {
+  test("DL 1") {
+    val cf = new ClassFile("MyTest", None)
+    cf.addDefaultConstructor
+    val ch = cf.addMethod("I", "plusOne", "I").codeHandler
+    ch << ILoad(1) << Ldc(1) << IADD << IRETURN
+    ch.freeze
+
+    cf.dynamicallyLoad
+
+    val c = CustomClassLoader.loadClass("MyTest")
+    val o = c.newInstance().asInstanceOf[AnyRef]
+    val m = c.getMethod("plusOne", Integer.TYPE)
+    (m.invoke(o, 41 : java.lang.Integer) === 42)
+  }
+
+
+}