package org.erlide.backend.debug;
import org.erlide.runtime.api.IOtpRpc;
import com.ericsson.otp.erlang.OtpErlangAtom;
import com.ericsson.otp.erlang.OtpErlangObject;
import com.ericsson.otp.erlang.OtpErlangTuple;
public class EvalHelper {
public static BackendEvalResult eval(final IOtpRpc b, final String string,
final OtpErlangObject bindings) {
final BackendEvalResult result = new BackendEvalResult();
try {
OtpErlangObject r1;
// ErlLogger.debug("eval %s %s", string, bindings);
if (bindings == null) {
r1 = b.call("erlide_backend", "eval", "s", string);
} else {
r1 = b.call("erlide_backend", "eval", "sx", string, bindings);
}
// value may be something else if exception is thrown...
final OtpErlangTuple t = (OtpErlangTuple) r1;
final boolean ok = !"error".equals(((OtpErlangAtom) t.elementAt(0))
.atomValue());
if (ok) {
result.setValue(t.elementAt(1), t.elementAt(2));
} else {
result.setError(t.elementAt(1));
}
} catch (final Exception e) {
result.setError("rpc failed");
}
return result;
}
}