Open-source multiplayer game server compatible with the RuneScape client
https://www.openrs2.org/
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48 lines
1.5 KiB
48 lines
1.5 KiB
package dev.openrs2.deob.transform
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import com.github.michaelbull.logging.InlineLogger
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import dev.openrs2.asm.classpath.ClassPath
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import dev.openrs2.asm.classpath.Library
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import dev.openrs2.asm.transform.Transformer
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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.MethodInsnNode
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import org.objectweb.asm.tree.MethodNode
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class InvokeSpecialTransformer : Transformer() {
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private var invokeSpecialsReplaced = 0
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override fun preTransform(classPath: ClassPath) {
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invokeSpecialsReplaced = 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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for (insn in method.instructions) {
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if (insn !is MethodInsnNode || insn.opcode != Opcodes.INVOKESPECIAL) {
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continue
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} else if (insn.name == "<init>") {
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continue
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} else if (insn.owner != clazz.name) {
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continue
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}
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val owner = classPath.getNode(insn.owner)!!
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if ((owner.access and Opcodes.ACC_FINAL) == 0) {
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continue
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}
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insn.opcode = Opcodes.INVOKEVIRTUAL
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invokeSpecialsReplaced++
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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 { "Replaced $invokeSpecialsReplaced INVOKESPECIALs with INVOKEVIRTUAL" }
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}
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companion object {
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private val logger = InlineLogger()
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}
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}
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