Open-source multiplayer game server compatible with the RuneScape client
https://www.openrs2.org/
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46 lines
1.5 KiB
46 lines
1.5 KiB
package org.openrs2.asm
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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.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 object ClassForNameUtils {
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private val INVOKE_MATCHER = InsnMatcher.compile("LDC INVOKESTATIC")
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private fun isClassForName(match: List<AbstractInsnNode>): Boolean {
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val ldc = match[0] as LdcInsnNode
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if (ldc.cst !is String) {
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return false
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}
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val invokestatic = match[1] as MethodInsnNode
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return invokestatic.owner == "java/lang/Class" &&
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invokestatic.name == "forName" &&
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invokestatic.desc == "(Ljava/lang/String;)Ljava/lang/Class;"
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}
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private fun findLdcInsns(method: MethodNode): Sequence<LdcInsnNode> {
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return INVOKE_MATCHER.match(method)
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.filter(::isClassForName)
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.map { it[0] as LdcInsnNode }
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}
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private fun internalName(ldc: LdcInsnNode): String {
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return (ldc.cst as String).toInternalClassName()
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}
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public fun findClassNames(method: MethodNode): Sequence<String> {
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return findLdcInsns(method).map(::internalName)
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}
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public fun remap(remapper: Remapper, method: MethodNode) {
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for (ldc in findLdcInsns(method)) {
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val name = remapper.mapType(internalName(ldc))
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if (name != null) {
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ldc.cst = name.toBinaryClassName()
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}
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}
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}
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}
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