Handle varargs in constructor assurance

Author: Frotty

de.peeeq.wurstscript/src/main/java/de/peeeq/wurstscript/translation/imtranslation/ClassTranslator.java

@@ -402,7 +402,7 @@ private void createConstructFunc(ConstructorDef constr) {
                 ImExprs arguments = ImExprs(ImVarAccess(thisVar));
                 for (int i = 0; i < thisCall.getArgs().size(); i++) {
                     Expr argument = thisCall.getArgs().get(i);
-                    WurstType expectedType = calledConstr.getParameters().get(i).getTyp().attrTyp();
+                    WurstType expectedType = constructorParameterType(calledConstr, i);
                     arguments.add(ExprTranslation.translateWithExpectedType(
                         argument, translator, f, expectedType));
                 }
@@ -439,6 +439,16 @@ private void createConstructFunc(ConstructorDef constr) {
         f.getBody().addAll(translator.translateStatements(f, constr.getBody().subList(bodyStartIndex, constr.getBody().size())));
     }
 
+    private static WurstType constructorParameterType(ConstructorDef constructor, int argumentIndex) {
+        int lastParameterIndex = constructor.getParameters().size() - 1;
+        WurstType parameterType = constructor.getParameters()
+            .get(Math.min(argumentIndex, lastParameterIndex)).getTyp().attrTyp();
+        if (argumentIndex >= lastParameterIndex && parameterType instanceof WurstTypeVararg) {
+            return ((WurstTypeVararg) parameterType).getBaseType();
+        }
+        return parameterType;
+    }
+
     private int firstRelevantStatementIndex(ConstructorDef constr) {
         for (int i = 0; i < constr.getBody().size(); i++) {
             WStatement s = constr.getBody().get(i);