/**
* Accept a visitor
*
* @param v a visitor
* @return the return type of the binary list function
*/
@Override
public Type accept(Visitor v) {
Type arg_type = (Type) v.visit(arg);
Type list_type = (Type) v.visit(list_argument);
switch (binary_op) {
case APPEND:
case PREPEND:
if (!list_type.is_list || !arg_type.flat_type.equals(list_type.flat_type)) {
List<Type> list_types = new ArrayList<>();
list_types.add(list_type);
List<Type> arg_types = new ArrayList<>();
arg_types.add(new Type(list_type.flat_type));
TypeErrorReporter.mismatchErrorBinaryList(
arg, arg_type, list_argument, list_type, binary_op.toString(), arg_types, list_types);
}
return list_type;
default:
System.err.println("Invalid Native List Binary Operation!");
return null;
}
}
/** @return string representation of a list binary op */
@Override
public String toString() {
return binary_op.toString() + "(" + arg.toString() + ", " + list_argument.toString() + ")";
}