circuit-oram-docker/ObliVMGC/com/oblivm/backend/gc/DbgUtils.java

package com.oblivm.backend.gc;

import com.oblivm.backend.flexsc.CompEnv;
import com.oblivm.backend.gc.regular.GCEva;
import com.oblivm.backend.gc.regular.GCGen;

public class DbgUtils {

	static void debugMsg(CompEnv<GCSignal> env, String msg) {
		if (env instanceof GCEva)
			System.err.println(msg);
	}

	static void debugVal(CompEnv<GCSignal> env, GCSignal bs, String msg) throws Exception {
		if (env instanceof GCGen) {
			bs.send(((GCGen) env).channel);
			GCGen.R.send(((GCGen) env).channel);
		} else {
			int x;
			GCSignal glb = GCSignal.receive(((GCEva) env).channel);
			GCSignal R = GCSignal.receive(((GCEva) env).channel);
			if (bs.equals(glb))
				x = 0;
			else if (bs.equals(R.xor(glb)))
				x = 1;
			else
				throw new Exception(String.format("bad label: %s", bs.toHexStr()));
			System.out.println(String.format("%s = %d", msg, x));

		}
	}

	static void debugLabel(CompEnv<GCSignal> env, GCSignal bs, String msg) {
		if (env instanceof GCGen) {
			System.err.println(String.format("[%s] %s, %s", msg, bs.toHexStr(), GCGen.R.xor(bs).toHexStr()));
		} else
			System.out.println(String.format("[%s] %s", msg, bs.toHexStr()));
	}
}