From b9410f76a5ab3c57d6b0154e415c9cf7fc8636c9 Mon Sep 17 00:00:00 2001
From: Adam <Adam@anope.org>
Date: Sun, 9 Aug 2015 12:11:17 -0400
Subject: [PATCH] remove unused blocks

---
 src/main/java/info/sigterm/deob/Deob.java     |  1 -
 .../deob/deobfuscators/UnusedBlocks.java      | 70 -------------------
 2 files changed, 71 deletions(-)
 delete mode 100644 src/main/java/info/sigterm/deob/deobfuscators/UnusedBlocks.java

diff --git a/src/main/java/info/sigterm/deob/Deob.java b/src/main/java/info/sigterm/deob/Deob.java
index 968e6ea49c..2cfd067420 100644
--- a/src/main/java/info/sigterm/deob/Deob.java
+++ b/src/main/java/info/sigterm/deob/Deob.java
@@ -2,7 +2,6 @@ package info.sigterm.deob;
 
 import info.sigterm.deob.deobfuscators.IllegalStateExceptions;
 import info.sigterm.deob.deobfuscators.RuntimeExceptions;
-import info.sigterm.deob.deobfuscators.UnusedBlocks;
 import info.sigterm.deob.deobfuscators.UnusedFields;
 import info.sigterm.deob.deobfuscators.UnusedMethods;
 import info.sigterm.deob.deobfuscators.UnusedParameters;
diff --git a/src/main/java/info/sigterm/deob/deobfuscators/UnusedBlocks.java b/src/main/java/info/sigterm/deob/deobfuscators/UnusedBlocks.java
deleted file mode 100644
index a117f355f4..0000000000
--- a/src/main/java/info/sigterm/deob/deobfuscators/UnusedBlocks.java
+++ /dev/null
@@ -1,70 +0,0 @@
-package info.sigterm.deob.deobfuscators;
-
-import info.sigterm.deob.ClassFile;
-import info.sigterm.deob.ClassGroup;
-import info.sigterm.deob.Deobfuscator;
-import info.sigterm.deob.Method;
-import info.sigterm.deob.attributes.code.Instructions;
-import info.sigterm.deob.block.Block;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public class UnusedBlocks implements Deobfuscator
-{
-	private List<Method> methods = new ArrayList<>();
-	
-	public int pass(ClassGroup group)
-	{
-		int removed = 0;
-	 methods:
-		for (Method m : new ArrayList<>(methods))
-		{
-			if (m.getCode() == null)
-			{
-				methods.remove(m);
-				continue;
-			}
-
-			Instructions ins = m.getCode().getInstructions();
-			ins.buildBlocks();
-
-			for (int i = 0; i < ins.getBlocks().size(); ++i)
-			{
-				Block block = ins.getBlocks().get(i);
-
-				// first block is the entrypoint, so its always used
-				if (i == 0)
-					continue;
-
-				Block prev = ins.getBlocks().get(i - 1);
-
-				if (prev.end.isTerminal() && block.begin.from.isEmpty() && block.handlers.isEmpty())
-				{
-					ins.remove(block);
-					++removed;
-					continue methods;
-				}
-			}
-			
-			methods.remove(m);
-		}
-		
-		System.out.println("Removed " + removed + " unused blocks");
-		return removed;
-	}
-	
-	@Override
-	public void run(ClassGroup group)
-	{
-		for (ClassFile cf : group.getClasses())
-		{
-			for (Method m : cf.getMethods().getMethods())
-			{
-				methods.add(m);
-			}	
-		}
-		
-		while (pass(group) > 0);
-	}
-}