diff --git a/jode/jode/type/ArrayType.java b/jode/jode/type/ArrayType.java
index 37eb4fd..d7357e1 100644
--- a/jode/jode/type/ArrayType.java
+++ b/jode/jode/type/ArrayType.java
@@ -112,6 +112,10 @@ public class ArrayType extends Type {
         elementType.useType();
     }
 
+    public String getTypeSignature() {
+	return "["+elementType.getTypeSignature();
+    }
+
     public String toString() {
         return elementType.toString()+"[]";
     }
diff --git a/jode/jode/type/ClassInterfacesType.java b/jode/jode/type/ClassInterfacesType.java
index 8cf3941..1fb01aa 100644
--- a/jode/jode/type/ClassInterfacesType.java
+++ b/jode/jode/type/ClassInterfacesType.java
@@ -385,6 +385,15 @@ public class ClassInterfacesType extends Type {
         }
     }
 
+    public String getTypeSignature() {
+	if (clazz != null)
+	    return "L" + clazz.getName().replace('.','/') + ";";
+	else if (ifaces.length > 0)
+	    return "L" + ifaces[0].getName().replace('.','/') + ";";
+	else
+	    return "Ljava/lang/Object;";
+    }
+
     public String toString()
     {
         if (jode.Decompiler.isTypeDebugging) {
diff --git a/jode/jode/type/MethodType.java b/jode/jode/type/MethodType.java
index ee9dbd1..2e108cf 100644
--- a/jode/jode/type/MethodType.java
+++ b/jode/jode/type/MethodType.java
@@ -70,6 +70,10 @@ public class MethodType {
         return returnType;
     }
 
+    public String getTypeSignature() {
+        return signature;
+    }
+
     public String toString() {
         return signature;
     }
diff --git a/jode/jode/type/RangeType.java b/jode/jode/type/RangeType.java
index 0c3f962..7be4b60 100644
--- a/jode/jode/type/RangeType.java
+++ b/jode/jode/type/RangeType.java
@@ -88,6 +88,13 @@ public class RangeType extends Type {
             bottomType.useType();
     }
 
+    public String getTypeSignature() {
+        if (topType.isClassType() || bottomType == tUnknown)
+            return topType.getTypeSignature();
+        else
+            return bottomType.getTypeSignature();
+    }
+
     public String toString()
     {
         if (jode.Decompiler.isTypeDebugging)
diff --git a/jode/jode/type/Type.java b/jode/jode/type/Type.java
index 56097e4..e815850 100644
--- a/jode/jode/type/Type.java
+++ b/jode/jode/type/Type.java
@@ -110,6 +110,7 @@ public class Type {
     public static final Type tUObject = tRange(tObject, tUnknown);
     public static final Type tString  = tClass("java.lang.String");
     public static final Type tStringBuffer = tClass("java.lang.StringBuffer");
+    public static final Type tJavaLangClass = tClass("java.lang.Class");
 
     public static final Type tType(String type) {
         if (type == null || type.length() == 0)
@@ -465,6 +466,31 @@ public class Type {
         }
     }
 
+    public String getTypeSignature() {
+        switch (typecode) {
+        case TC_BOOLINT:
+        case TC_BOOLBYTE:
+        case TC_BOOLEAN:
+            return "Z";
+        case TC_BYTE:
+            return "B";
+        case TC_CHAR:
+            return "C";
+        case TC_SHORT:
+            return "S";
+        case TC_INT:
+            return "I";
+        case TC_LONG:
+            return "J";
+        case TC_FLOAT:
+            return "F";
+        case TC_DOUBLE:
+            return "D";
+        default:
+            return "?";
+        }
+    }
+    
     public String toString() {
         switch (typecode) {
         case TC_BOOLINT: