Open-source multiplayer game server compatible with the RuneScape client
https://www.openrs2.org/
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42 lines
1.3 KiB
42 lines
1.3 KiB
package dev.openrs2.deob.transform;
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import java.util.List;
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import dev.openrs2.asm.InsnMatcher;
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import dev.openrs2.asm.Transformer;
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import org.objectweb.asm.commons.Remapper;
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import org.objectweb.asm.tree.AbstractInsnNode;
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import org.objectweb.asm.tree.ClassNode;
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import org.objectweb.asm.tree.LdcInsnNode;
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import org.objectweb.asm.tree.MethodInsnNode;
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import org.objectweb.asm.tree.MethodNode;
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public final class ClassForNameTransformer extends Transformer {
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private static final InsnMatcher INVOKE_MATCHER = InsnMatcher.compile("LDC INVOKESTATIC");
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private static boolean isClassForName(List<AbstractInsnNode> match) {
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var ldc = (LdcInsnNode) match.get(0);
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if (!(ldc.cst instanceof String)) {
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return false;
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}
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var invokestatic = (MethodInsnNode) match.get(1);
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return invokestatic.owner.equals("java/lang/Class") &&
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invokestatic.name.equals("forName") &&
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invokestatic.desc.equals("(Ljava/lang/String;)Ljava/lang/Class;");
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}
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private final Remapper remapper;
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public ClassForNameTransformer(Remapper remapper) {
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this.remapper = remapper;
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}
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@Override
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public void transformCode(ClassNode clazz, MethodNode method) {
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INVOKE_MATCHER.match(method).filter(ClassForNameTransformer::isClassForName).forEach(match -> {
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var ldc = (LdcInsnNode) match.get(0);
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ldc.cst = remapper.map((String) ldc.cst);
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});
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}
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}
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