package IR.Tree;

public class Modifiers {
    public static final int PUBLIC=1;
    public static final int PROTECTED=2;
    public static final int PRIVATE=4;
    public static final int STATIC=8;
//	ABSTRACT=16
    public static final int FINAL=32;
    public static final int NATIVE=64;
    public static final int SYNCHRONIZED=128;
    public static final int ATOMIC=2048;
//	TRANSIENT=256
//	VOLATILE=512
//	STRICTFP=1024

    private int value;

    public Modifiers() {
	value=0;
    }

    public Modifiers(int v) {
	value=v;
    }

    public void addModifier(int mod) {
	value|=mod;
	if (isSynchronized()&&isNative())
	    throw new Error("Synchronized native methods are not supported");
    }

    public boolean isAtomic() {
	return ((value&ATOMIC)!=0);
    }

    public boolean isSynchronized() {
	return ((value&SYNCHRONIZED)!=0);
    }

    public boolean isStatic() {
	return ((value&STATIC)!=0);
    }

    public boolean isNative() {
	return ((value&NATIVE)!=0);
    }

    public String toString() {
	String st="";
	if ((value&PUBLIC)!=0)
	    st+="public ";
	if ((value&PROTECTED)!=0)
	    st+="protected ";
	if ((value&PRIVATE)!=0)
	    st+="private ";
	if ((value&STATIC)!=0)
	    st+="static ";
	if ((value&FINAL)!=0)
	    st+="final ";
	if ((value&NATIVE)!=0)
	    st+="native ";
	if ((value&SYNCHRONIZED)!=0)
	    st+="synchronized ";
	if ((value&ATOMIC)!=0)
	    st+="atomic ";
	return st;
    }
}