Implemented do while loops

src/main/java/de/hsrm/compiler/Klang/nodes/loops/doWhileLoop.java

@@ -0,0 +1,24 @@
+package de.hsrm.compiler.Klang.nodes.loops;
+
+import de.hsrm.compiler.Klang.nodes.Block;
+import de.hsrm.compiler.Klang.nodes.statements.Statement;;
+import de.hsrm.compiler.Klang.nodes.expressions.Expression;
+import de.hsrm.compiler.Klang.visitors.Visitor;
+
+public class doWhileLoop extends Statement {
+
+    public Expression cond;
+    public Block block;
+    public Block alt;
+
+    public doWhileLoop(Expression cond, Block block) {
+        this.cond = cond;
+        this.block = block;
+    }
+
+    @Override
+    public <R> R welcome(Visitor<R> v) {
+        return v.visit(this);
+    }
+
+}