diff options
Diffstat (limited to 'src/main/kotlin/moe/nea/modernjava/launch/transform/TransObjectHolderRef.kt')
| -rw-r--r-- | src/main/kotlin/moe/nea/modernjava/launch/transform/TransObjectHolderRef.kt | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/src/main/kotlin/moe/nea/modernjava/launch/transform/TransObjectHolderRef.kt b/src/main/kotlin/moe/nea/modernjava/launch/transform/TransObjectHolderRef.kt deleted file mode 100644 index 2687dfc..0000000 --- a/src/main/kotlin/moe/nea/modernjava/launch/transform/TransObjectHolderRef.kt +++ /dev/null @@ -1,118 +0,0 @@ -package moe.nea.modernjava.launch.transform - -import dev.falsehonesty.asmhelper.BaseClassTransformer -import dev.falsehonesty.asmhelper.dsl.instructions.InsnListBuilder -import dev.falsehonesty.asmhelper.dsl.instructions.InvokeType -import dev.falsehonesty.asmhelper.dsl.modify -import dev.falsehonesty.asmhelper.dsl.overwrite -import moe.nea.modernjava.launch.util.ObjectHolderRefCompanion -import net.minecraft.launchwrapper.Launch -import net.minecraft.launchwrapper.LaunchClassLoader -import org.objectweb.asm.Opcodes -import org.objectweb.asm.tree.AbstractInsnNode -import org.objectweb.asm.tree.FieldInsnNode - -/** - * Transform [net.minecraftforge.fml.common.registry.ObjectHolderRef] such that it does not make references to outdated - * Java Reflection Tools anymore - */ -class TransObjectHolderRef : BaseClassTransformer() { - override fun makeTransformers() { - /** - * Redirect the makeWritable call to [ObjectHolderRefCompanion] - */ - overwrite { - className = "net.minecraftforge.fml.common.registry.ObjectHolderRef" - methodName = "makeWritable" - methodDesc = "(Ljava/lang/reflect/Field;)V" - - insnList { - aload(0/* arg0 */) - invoke( - InvokeType.STATIC, - "moe/nea/modernjava/launch/util/ObjectHolderRefCompanion", - "makeFieldWritable", - "(Ljava/lang/reflect/Field;)V" - ) - methodReturn() - } - } - /** - * Redirect the reflection calls to write a value to a static field in apply to [ObjectHolderRefCompanion] - */ - modify("net/minecraftforge/fml/common/registry/ObjectHolderRef") { - var end: AbstractInsnNode? = null - var start: AbstractInsnNode? = null - var c = 0 - val m = findMethod("apply", "()V") - for (instruction in m.instructions) { - if (instruction is FieldInsnNode && - instruction.opcode == Opcodes.GETSTATIC && - instruction.name == "newFieldAccessor" - ) { - start = instruction - } - if (instruction.opcode == Opcodes.INVOKEVIRTUAL && start != null) { - c++ - if (c == 2) { - end = instruction.next - break - } - } - } - end!! - val trueStart = start!! - m.instructions.insertBefore(trueStart, InsnListBuilder(m).apply { - aload(0/* this */) - getField("net/minecraftforge/fml/common/registry/ObjectHolderRef", "field", "Ljava/lang/reflect/Field;") - aload(1 /*thing*/) - invokeStatic( - "moe/nea/modernjava/launch/util/ObjectHolderRefCompanion", - "doFieldWrite", - "(Ljava/lang/reflect/Field;Ljava/lang/Object;)V" - ) - methodReturn() - }.insnList) - m.maxLocals = 0 - var toRemove = start!! - while (true) { - val n = toRemove.next - m.instructions.remove(toRemove) - if (end == toRemove) { - break - } - toRemove = n - } - } - } - - val supCalledSetup = BaseClassTransformer::class.java.getDeclaredField("calledSetup").also { - it.isAccessible = true - } - - fun mySetup() { - myCalledSetup = true - supCalledSetup.set(this, true) - - val classLoader: LaunchClassLoader = Launch.classLoader - - classLoader.addTransformerExclusion("kotlin.") - classLoader.addTransformerExclusion("moe.nea.modernjava.dep.asmhelper.") - classLoader.addTransformerExclusion(this.javaClass.name) - - setup(classLoader) - - makeTransformers() - - } - - var myCalledSetup = false - override fun transform(name: String?, transformedName: String?, basicClass: ByteArray?): ByteArray? { - if (!myCalledSetup) { - mySetup() - } - - return super.transform(name, transformedName, basicClass) - } - -}
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