public static void initFirst() {
envCounter = 0;
newEnvs.add(envCounter, root);
top = (Env) newEnvs.get(envCounter);
put("printf", new Symb(Type.method(Type.voidtype(), Type.voidtype()), null, true));
put("scanf", new Symb(Type.method(Type.voidtype(), Type.voidtype()), null, true));
System.out.println(" " + top);
}
public static void pop() {
top = top.prev;
envCounter++;
newEnvs.add(envCounter, top);
System.out.println(" " + top);
}
static void push(Env e) {
envCounter++;
top = new Env(e);
newEnvs.add(envCounter, top);
System.out.println(" " + top);
}