illegal state exception deob, ff doesnt fully like it yet though

src/main/java/info/sigterm/deob/attributes/code/Instructions.java

@@ -98,9 +98,7 @@ public class Instructions
 	
 	public void buildBlocks()
 	{
-		for (Instruction i : instructions)
-			i.block = null;
-		blocks.clear();
+		clearBlockGraph();
 		
 		Block current = null;
 		for (Instruction i : instructions)
@@ -122,6 +120,13 @@ public class Instructions
 		}
 	}
 	
+	public void clearBlockGraph()
+	{
+		for (Instruction i : instructions)
+			i.block = null;
+		blocks.clear();
+	}
+	
 	public void write(DataOutputStream out) throws IOException
 	{
 		// generate pool indexes

src/main/java/info/sigterm/deob/attributes/code/instructions/Goto.java

@@ -24,6 +24,13 @@ public class Goto extends Instruction implements JumpingInstruction
 		length += 2;
 	}
 	
+	public Goto(Instructions instructions, Instruction to)
+	{
+		super(instructions, InstructionType.GOTO, 0);
+		this.to = to;
+		length += 2;
+	}
+	
 	@Override
 	public void resolve()
 	{

src/main/java/info/sigterm/deob/attributes/code/instructions/If.java

@@ -67,4 +67,9 @@ public class If extends Instruction implements JumpingInstruction
 		if (to == oldi)
 			to = newi;
 	}
+	
+	public Instruction getTo()
+	{
+		return to;
+	}
 }

src/main/java/info/sigterm/deob/attributes/code/instructions/If0.java

@@ -68,4 +68,9 @@ public class If0 extends Instruction implements JumpingInstruction
 		if (to == oldi)
 			to = newi;
 	}
+	
+	public Instruction getTo()
+	{
+		return to;
+	}
 }

src/main/java/info/sigterm/deob/attributes/code/instructions/New.java

@@ -45,4 +45,9 @@ public class New extends Instruction
 		
 		frame.addInstructionContext(ins);
 	}
+	
+	public Class getNewClass()
+	{
+		return clazz;
+	}
 }