Some fixes.

src/main/java/net/runelite/deob/Method.java

@@ -56,7 +56,7 @@ public class Method
 	@Override
 	public String toString()
 	{
-		return this.getMethods().getClassFile().getName() + "." + this.name + this.arguments;
+		return (this.isStatic() ? "static " : "") + this.getMethods().getClassFile().getName() + "." + this.name + this.arguments;
 	}
 	
 	public void write(DataOutputStream out) throws IOException

src/main/java/net/runelite/deob/attributes/code/instructions/InvokeStatic.java

@@ -105,7 +105,7 @@ public class InvokeStatic extends Instruction implements InvokeInstruction
 			
 			// add possible method call to execution
 			Execution execution = frame.getExecution();
-			Frame f = execution.invoke(ins, method);
+			execution.invoke(ins, method);
 		}
 		
 		frame.addInstructionContext(ins);

src/main/java/net/runelite/deob/attributes/code/instructions/PutField.java

@@ -16,6 +16,7 @@ import net.runelite.deob.pool.NameAndType;
 import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.io.IOException;
+import net.runelite.deob.Method;
 
 public class PutField extends Instruction implements SetFieldInstruction
 {
@@ -26,6 +27,13 @@ public class PutField extends Instruction implements SetFieldInstruction
 	{
 		super(instructions, type, pc);
 	}
+
+	@Override
+	public String toString()
+	{
+		Method m = this.getInstructions().getCode().getAttributes().getMethod();
+		return "putfield " + myField + " in " + m;
+	}
 	
 	@Override
 	public void load(DataInputStream is) throws IOException

src/main/java/net/runelite/deob/attributes/code/instructions/PutStatic.java

@@ -16,6 +16,7 @@ import net.runelite.deob.pool.NameAndType;
 import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.io.IOException;
+import net.runelite.deob.Method;
 
 public class PutStatic extends Instruction implements SetFieldInstruction
 {
@@ -27,6 +28,13 @@ public class PutStatic extends Instruction implements SetFieldInstruction
 		super(instructions, type, pc);
 	}
 	
+	@Override
+	public String toString()
+	{
+		Method m = this.getInstructions().getCode().getAttributes().getMethod();
+		return "putstatic " + myField + " in " + m;
+	}
+	
 	@Override
 	public void load(DataInputStream is) throws IOException
 	{

src/main/java/net/runelite/deob/deobfuscators/rename/graph/Vertex.java

@@ -31,7 +31,7 @@ public class Vertex
 	private final Object object;
 	private VertexType type;
 	
-	private final Map<Edge, Edge> edges = new HashMap<>();
+	private final Set<Edge> edges = new HashSet<>();
 	
 	private Collection<Vertex> mightBe;
 	private Vertex is;
@@ -107,8 +107,8 @@ public class Vertex
 	
 	public void addEdge(Edge edge)
 	{
-		Edge c = edges.get(edge);
-		if (c != null)
+		if (edges.contains(edge))
+		//if (c != null)
 		{
 //			if (edge.getIns() instanceof SetFieldInstruction && !edgeFrom.contains(edge.getIns()))
 //			{
@@ -118,12 +118,13 @@ public class Vertex
 			return;
 		}
 		
-		edges.put(edge, edge);
+		edges.add(edge);
+		//edges.put(edge, edge);
 	}
 	
 	public Set<Edge> getEdges()
 	{
-		return edges.keySet();
+		return edges;
 	}
 	
 	public void merge(Collection<Vertex> maybe)
@@ -295,21 +296,21 @@ public class Vertex
 		if (this.getType() != other.getType())
 			return false;
 
-		if (this.getEdges().size() != other.getEdges().size())
-			return false;
-
-		for (EdgeType e : EdgeType.values())
-		{
-			// for each edge of this type, it must be equal with just one of the others
-
-			if (this.edgesOf(e) != other.edgesOf(e))// ||
-				//this.solvedEdgesOfType(e) != other.solvedEdgesOfType(e))
-			{
-				int thise = edgesOf(e), othere = other.edgesOf(e);
-				int thisse = this.solvedEdgesOfType(e), otherse = other.solvedEdgesOfType(e);
-				return false;
-			}
-		}
+//		if (this.getEdges().size() != other.getEdges().size())
+//			return false;
+//
+//		for (EdgeType e : EdgeType.values())
+//		{
+//			// for each edge of this type, it must be equal with just one of the others
+//
+//			if (this.edgesOf(e) != other.edgesOf(e))// ||
+//				//this.solvedEdgesOfType(e) != other.solvedEdgesOfType(e))
+//			{
+//				int thise = edgesOf(e), othere = other.edgesOf(e);
+//				int thisse = this.solvedEdgesOfType(e), otherse = other.solvedEdgesOfType(e);
+//				return false;
+//			}
+//		}
 
 		// must be 1->1
 		// map v -> possibles
@@ -424,7 +425,7 @@ public class Vertex
 	private int edgesOf(EdgeType type)
 	{
 		int t = 0;
-		for (Edge e : this.edges.values())
+		for (Edge e : this.edges)
 			if (e.getType() == type)
 				++t;
 		return t;
@@ -432,6 +433,6 @@ public class Vertex
 	
 	private int solvedEdgesOfType(EdgeType type)
 	{
-		return (int) edges.values().stream().filter(e -> e.getType() == type).filter(e -> e.getTo().getOther() != null).count();
+		return (int) edges.stream().filter(e -> e.getType() == type).filter(e -> e.getTo().getOther() != null).count();
 	}
 }

src/main/java/net/runelite/deob/execution/Execution.java

@@ -37,7 +37,6 @@ public class Execution
 	public Set<Instruction> executed = new HashSet<>(); // executed instructions
 	private MultiValueMap<InstructionContext, Method> invokes = new MultiValueMap<>();
 	public MultiValueMap<Instruction, InstructionContext> contexts = new MultiValueMap<>();
-	private Map<Method, MethodContext> methodContexts = new HashMap<>();
 	private boolean buildGraph; // if true the frame graph is built and execution hasJumped also compares previous instructions
 	private Graph graph = new Graph();
 
@@ -91,6 +90,8 @@ public class Execution
 	
 	private boolean hasInvoked(InstructionContext from, Method to)
 	{
+		// this is wrong because the called of the method of from
+		// might be different, for building graph
 		Collection<Method> methods = invokes.getCollection(from);
 		if (methods != null && methods.contains(to))
 			return true;
@@ -150,17 +151,6 @@ public class Execution
 	{
 		return contexts.getCollection(i);
 	}
-	
-	public MethodContext getMethodContext(Method m)
-	{
-		MethodContext c = methodContexts.get(m);
-		if (c != null)
-			return c;
-		
-		c = new MethodContext(this);
-		methodContexts.put(m, c);
-		return c;
-	}
 
 	public boolean isBuildGraph()
 	{

src/main/java/net/runelite/deob/execution/Frame.java

@@ -27,8 +27,7 @@ public class Frame
 	private List<InstructionContext> instructions = new ArrayList<>(); // instructions executed in this frame
 	private MethodContext ctx;
 	protected Method nonStatic; // next non static method up the stack
-	public Field lastField;
-	public Frame staticReturn;
+	private Frame caller;
 
 	public Frame(Execution execution, Method method)
 	{
@@ -39,7 +38,10 @@ public class Frame
 
 		stack = new Stack(code.getMaxStack());
 		variables = new Variables(code.getMaxLocals());
-		ctx = execution.getMethodContext(method);
+		// don't cache method contexts per execution
+		// need to allow the same method to execute multiple times
+		// when called from multiple places to allow graph building
+		ctx = new MethodContext(execution);
 		nonStatic = method;
 	}
 	
@@ -70,6 +72,7 @@ public class Frame
 		{
 			this.nonStatic = ctx.getFrame().nonStatic;
 		}
+		caller = ctx.getFrame();
 		
 		// initialize LVT. the last argument is popped first, and is at arguments[0]
 		List<StackContext> pops = ctx.getPops();
@@ -105,8 +108,7 @@ public class Frame
 		this.variables = new Variables(other.variables);
 		this.ctx = other.ctx;
 		this.nonStatic = other.nonStatic;
-		this.lastField = other.lastField;
-		this.staticReturn = other.staticReturn;
+		this.caller = other.caller;
 	}
 	
 	public Frame dup()
@@ -223,12 +225,6 @@ public class Frame
 				break;
 			
 			execution.buildGraph(this, oldCur, ictx);
-			if (oldCur instanceof SetFieldInstruction)
-			{
-				SetFieldInstruction sfi = (SetFieldInstruction) oldCur;
-				if (sfi.getMyField() != null)
-					this.lastField = sfi.getMyField();
-			}
 			
 			if (oldCur == cur)
 			{