de.florianmichael.asmfabricloader.loader.bootstrap.AFLLanguageAdapter Maven / Gradle / Ivy

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/*
 * This file is part of AsmFabricLoader - https://github.com/FlorianMichael/AsmFabricLoader
 * Copyright (C) 2023-2024 FlorianMichael/EnZaXD 
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package de.florianmichael.asmfabricloader.loader.bootstrap;

import de.florianmichael.asmfabricloader.AsmFabricLoader;
import de.florianmichael.asmfabricloader.api.AsmUtil;
import de.florianmichael.asmfabricloader.loader.classloading.AFLConstants;
import net.fabricmc.loader.api.LanguageAdapter;
import net.fabricmc.loader.api.LanguageAdapterException;
import net.fabricmc.loader.api.ModContainer;

public class AFLLanguageAdapter implements LanguageAdapter {

    @Override
    public native  T create(ModContainer mod, String value, Class type) throws LanguageAdapterException;

    // Forces the fabric.debug.disableClassPathIsolation system property to be true which disables the classpath isolation
    // This is needed because we need to access classes loaded in the system classloader
    private static void unlockSystemClassloader() {
        try {
            final Class knotClassDelegate = Class.forName("net.fabricmc.loader.impl.launch.knot.KnotClassDelegate");

            final long offset = AsmUtil.getTheUnsafe().staticFieldOffset(knotClassDelegate.getDeclaredField("DISABLE_ISOLATION"));
            AsmUtil.getTheUnsafe().putBoolean(knotClassDelegate, offset, true);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    static {
        unlockSystemClassloader();
        AsmFabricLoader.install();
    }

}