void evaluate(Instruction ins) {
Expression value = evalMachine.pop();
Expression subscript = evalMachine.pop();
Expression arrayObject = evalMachine.pop();
ArrayMemberReferenceExpression arr = new ArrayMemberReferenceExpression(
arrayObject, subscript, TypeInferrer.getArrayMemberType(arrayObject
.getType()));
statements.append(new CompleteLine(ins, new Assignment(arr, value)));
}