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"It was from a different time before books were as jank as they are now. As time has gone on they've only proven to be worse and worse."
185 lines
7.4 KiB
Diff
185 lines
7.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Zach Brown <zach@zachbr.io>
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Date: Wed, 3 Oct 2018 20:09:18 -0400
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Subject: [PATCH] Hook into CB plugin rewrites
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Allows us to do fun stuff like rewrite the OBC util fastutil location to
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our own relocation. Also lets us rewrite NMS calls for when we're
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debugging in an IDE pre-relocate.
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diff --git a/src/main/java/org/bukkit/craftbukkit/util/Commodore.java b/src/main/java/org/bukkit/craftbukkit/util/Commodore.java
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index a79c62e1c3ee49ada505c07b1171b439beeb4bdf..cbf630243410f97c21b14f654e81dc96b0323b70 100644
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--- a/src/main/java/org/bukkit/craftbukkit/util/Commodore.java
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+++ b/src/main/java/org/bukkit/craftbukkit/util/Commodore.java
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@@ -6,7 +6,9 @@ import java.io.FileOutputStream;
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import java.io.InputStream;
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import java.util.Arrays;
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import java.util.Enumeration;
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+import java.util.HashMap;
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import java.util.HashSet;
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+import java.util.Map;
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import java.util.Set;
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import java.util.jar.JarEntry;
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import java.util.jar.JarFile;
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@@ -20,10 +22,15 @@ import org.bukkit.plugin.AuthorNagException;
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import org.objectweb.asm.ClassReader;
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import org.objectweb.asm.ClassVisitor;
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import org.objectweb.asm.ClassWriter;
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+import org.objectweb.asm.FieldVisitor;
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+import org.objectweb.asm.Handle;
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+import org.objectweb.asm.Label;
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import org.objectweb.asm.MethodVisitor;
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import org.objectweb.asm.Opcodes;
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import org.objectweb.asm.Type;
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+import javax.annotation.Nonnull;
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+
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/**
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* This file is imported from Commodore.
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*
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@@ -46,6 +53,42 @@ public class Commodore
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"org/bukkit/inventory/ItemStack (I)V setTypeId"
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) );
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+ // Paper start - Plugin rewrites
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+ private static final Map<String, String> SEARCH_AND_REMOVE = initReplacementsMap();
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+ private static Map<String, String> initReplacementsMap()
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+ {
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+ Map<String, String> getAndRemove = new HashMap<>();
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+ // Be wary of maven shade's relocations
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+ getAndRemove.put( "org/bukkit/".concat( "craftbukkit/libs/it/unimi/dsi/fastutil/" ), "org/bukkit/".concat( "craftbukkit/libs/" ) ); // Remap fastutil to our location
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+
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+ if ( Boolean.getBoolean( "debug.rewriteForIde" ) )
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+ {
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+ // unversion incoming calls for pre-relocate debug work
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+ final String NMS_REVISION_PACKAGE = "v1_16_R3/";
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+
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+ getAndRemove.put( "net/minecraft/".concat( "server/" + NMS_REVISION_PACKAGE ), NMS_REVISION_PACKAGE );
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+ getAndRemove.put( "org/bukkit/".concat( "craftbukkit/" + NMS_REVISION_PACKAGE ), NMS_REVISION_PACKAGE );
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+ }
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+
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+ return getAndRemove;
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+ }
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+
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+ @Nonnull
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+ private static String getOriginalOrRewrite(@Nonnull String original)
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+ {
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+ String rewrite = null;
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+ for ( Map.Entry<String, String> entry : SEARCH_AND_REMOVE.entrySet() )
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+ {
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+ if ( original.contains( entry.getKey() ) )
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+ {
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+ rewrite = original.replace( entry.getValue(), "" );
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+ }
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+ }
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+
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+ return rewrite != null ? rewrite : original;
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+ }
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+ // Paper end
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+
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public static void main(String[] args)
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{
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OptionParser parser = new OptionParser();
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@@ -130,15 +173,86 @@ public class Commodore
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cr.accept( new ClassVisitor( Opcodes.ASM9, cw )
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{
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+ // Paper start - Rewrite plugins
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+ @Override
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+ public FieldVisitor visitField(int access, String name, String desc, String signature, Object value)
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+ {
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+ desc = getOriginalOrRewrite( desc );
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+ if ( signature != null ) {
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+ signature = getOriginalOrRewrite( signature );
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+ }
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+
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+ return super.visitField( access, name, desc, signature, value) ;
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+ }
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+ // Paper end
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+
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@Override
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public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions)
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{
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return new MethodVisitor( api, super.visitMethod( access, name, desc, signature, exceptions ) )
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{
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+ // Paper start - Plugin rewrites
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+ @Override
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+ public void visitInvokeDynamicInsn(String name, String desc, Handle bootstrapMethodHandle, Object... bootstrapMethodArguments)
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+ {
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+ // Paper start - Rewrite plugins
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+ name = getOriginalOrRewrite( name );
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+ if ( desc != null )
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+ {
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+ desc = getOriginalOrRewrite( desc );
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+ }
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+ // Paper end
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+
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+ super.visitInvokeDynamicInsn( name, desc, bootstrapMethodHandle, bootstrapMethodArguments );
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+ }
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+
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+ @Override
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+ public void visitTypeInsn(int opcode, String type)
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+ {
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+ type = getOriginalOrRewrite( type );
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+
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+ super.visitTypeInsn( opcode, type );
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+ }
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+
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+ @Override
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+ public void visitFrame(int type, int nLocal, Object[] local, int nStack, Object[] stack) {
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+ for ( int i = 0; i < local.length; i++ )
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+ {
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+ if ( !( local[i] instanceof String ) ) { continue; }
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+
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+ local[i] = getOriginalOrRewrite( (String) local[i] );
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+ }
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+
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+ for ( int i = 0; i < stack.length; i++ )
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+ {
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+ if ( !( stack[i] instanceof String ) ) { continue; }
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+
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+ stack[i] = getOriginalOrRewrite( (String) stack[i] );
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+ }
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+
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+ super.visitFrame( type, nLocal, local, nStack, stack );
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+ }
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+
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+ @Override
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+ public void visitLocalVariable(String name, String descriptor, String signature, Label start, Label end, int index)
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+ {
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+ descriptor = getOriginalOrRewrite( descriptor );
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+
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+ super.visitLocalVariable( name, descriptor, signature, start, end, index );
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+ }
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+ // Paper end
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@Override
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public void visitFieldInsn(int opcode, String owner, String name, String desc)
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{
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+ // Paper start - Rewrite plugins
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+ owner = getOriginalOrRewrite( owner );
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+ if ( desc != null )
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+ {
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+ desc = getOriginalOrRewrite( desc );
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+ }
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+ // Paper end
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+
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if ( owner.equals( "org/bukkit/block/Biome" ) )
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{
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switch ( name )
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@@ -273,6 +387,14 @@ public class Commodore
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return;
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}
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+ // Paper start - Rewrite plugins
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+ owner = getOriginalOrRewrite( owner) ;
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+ if (desc != null)
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+ {
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+ desc = getOriginalOrRewrite(desc);
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+ }
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+ // Paper end
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+
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if ( modern )
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{
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if ( owner.equals( "org/bukkit/Material" ) )
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