Open-source multiplayer game server compatible with the RuneScape client
https://www.openrs2.org/
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38 lines
1.2 KiB
38 lines
1.2 KiB
package org.openrs2.deob.bytecode.transform
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import com.github.michaelbull.logging.InlineLogger
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import jakarta.inject.Singleton
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import org.objectweb.asm.Opcodes
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import org.objectweb.asm.tree.ClassNode
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import org.objectweb.asm.tree.InsnNode
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import org.objectweb.asm.tree.MethodNode
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import org.openrs2.asm.classpath.ClassPath
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import org.openrs2.asm.classpath.Library
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import org.openrs2.asm.nextReal
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import org.openrs2.asm.transform.Transformer
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@Singleton
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public class FernflowerExceptionTransformer : Transformer() {
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private var nopsInserted = 0
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override fun preTransform(classPath: ClassPath) {
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nopsInserted = 0
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}
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override fun transformCode(classPath: ClassPath, library: Library, clazz: ClassNode, method: MethodNode): Boolean {
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if (method.tryCatchBlocks.any { it.end.nextReal == null }) {
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method.instructions.add(InsnNode(Opcodes.NOP))
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nopsInserted++
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}
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return false
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}
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override fun postTransform(classPath: ClassPath) {
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logger.info { "Inserted $nopsInserted NOPs to correct Fernflower's exception generation" }
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}
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private companion object {
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private val logger = InlineLogger()
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}
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}
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