Leere Felder im GlueBlock abgefangen

src/main/java/com/ardublock/translator/block/communication/GlueBlock.java

@@ -28,17 +28,26 @@ public class GlueBlock extends TranslatorBlock
 		if(tB1 != null){
 			ret = tB1.toCode().replaceAll("\\s*_.new\\b\\s*", "") + VarMarker;
 		}
+		if(tB2 != null){
+			ret += tB2.toCode().replaceAll("\\s*_.new\\b\\s*", "");
+		}
 		
-		return  ret + tB2.toCode().replaceAll("\\s*_.new\\b\\s*", "") + " ";
+		return  ret + " ";
 	}
 	
 	public SimCode toSim() throws BlockException, SocketNullException {
 		TranslatorBlock tB2 = this.getTranslatorBlockAtSocket(1);
 		TranslatorBlock tB1 = this.getTranslatorBlockAtSocket(0);
+		SimCode tB1Sim = null;
+		SimCode tB2Sim = null;
+		
 		if(tB1 != null) {
-			return new CodeConnectString(tB1.toSim(),tB2.toSim());
+			tB1Sim =  tB1.toSim();
+		}
+		if(tB2 != null){
+			tB2Sim =  tB2.toSim();
 		}
-		return new CodeConnectString(null,tB2.toSim());  
+		return new CodeConnectString(tB1Sim,tB2Sim);
 	}
 }