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package com.oracle.truffle.api.test.wrapper;

import org.graalvm.polyglot.impl.AbstractPolyglotImpl;
import org.graalvm.polyglot.impl.AbstractPolyglotImpl.AbstractHostAccess;

import com.oracle.truffle.api.TruffleLanguage;

final class GuestHostLanguage extends TruffleLanguage<GuestHostContext> {

    // not yet needed - but will be in the future
    @SuppressWarnings("unused") private final AbstractHostAccess access;
    private final GuestToHostService service;

    GuestHostLanguage(AbstractPolyglotImpl polyglot, AbstractHostAccess access) {
        this.access = access;
        this.service = new GuestToHostService(polyglot);
    }

    @Override
    protected GuestHostContext createContext(Env env) {
        env.registerService(service);
        return new GuestHostContext();
    }

    @Override
    protected boolean isThreadAccessAllowed(Thread thread, boolean singleThreaded) {
        return true;
    }

    @Override
    protected boolean patchContext(GuestHostContext context, Env newEnv) {
        return true;
    }

}
