Begin per-method executions in rename to use less memory. Runs still with 336.

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

@@ -9,7 +9,6 @@ import net.runelite.deob.execution.Execution;
 import net.runelite.deob.util.JarUtil;
 
 // XXX something to detect final fields and evaluate them
-// XXX ORDER IN WHICH FIELDS ARE ACCESSED
 
 public class Deob
 {

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

@@ -67,7 +67,7 @@ public class IInc extends Instruction implements LVTInstruction, WideInstruction
 		assert vctx.getType().equals(new Type(int.class.getCanonicalName()));
 		ins.read(vctx);
 		
-		vctx = new VariableContext(ins, vctx.getStackContext()); // XXX this is probably not right.
+		vctx = new VariableContext(ins, vctx);
 		var.set(index, vctx);
 		
 		frame.addInstructionContext(ins);

src/main/java/net/runelite/deob/deobfuscators/rename/Rename.java

@@ -22,8 +22,10 @@ import net.runelite.deob.execution.Frame;
 
 public class Rename
 {
+	private ClassGroup groupOne, groupTwo;
+	
 	// respective executions
-	private Execution eone, etwo;
+	//private Execution eone, etwo;
 	
 	// old -> new object mapping
 	private Map<Object, Object> objMap = new HashMap<>();
@@ -78,9 +80,22 @@ public class Rename
 	
 	private void process(Method one, Method two)
 	{
+		Execution eone = new Execution(groupOne);
+		eone.setBuildGraph(true);
+		eone.setFollowInvokes(false);
+		eone.addMethod(one);
+		eone.run();
+		
+		Execution etwo = new Execution(groupTwo);
+		etwo.setBuildGraph(true);
+		etwo.setFollowInvokes(false);
+		etwo.addMethod(two);
+		etwo.run();
+		
 		// get frames for respective methods
-		List<Frame> f1 = eone.processedFrames.stream().filter(f -> f.getMethod() == one).collect(Collectors.toList());
-		List<Frame> f2 = etwo.processedFrames.stream().filter(f -> f.getMethod() == two).collect(Collectors.toList());
+		List<Frame> f1 = eone.processedFrames, f2 = etwo.processedFrames;
+		//List<Frame> f1 = eone.processedFrames.stream().filter(f -> f.getMethod() == one).collect(Collectors.toList());
+		//List<Frame> f2 = etwo.processedFrames.stream().filter(f -> f.getMethod() == two).collect(Collectors.toList());
 		
 		Frame p1 = null, p2 = null;
 		outer:
@@ -110,12 +125,19 @@ public class Rename
 	}
 	public void run(ClassGroup one, ClassGroup two)
 	{
-		eone = new Execution(one);
+		groupOne = one;
+		groupTwo = two;
+		
+		Execution eone = new Execution(one);
+		eone.setBuildGraph(true);
+		eone.setFollowInvokes(false);
 		eone.populateInitialMethods();
 		List<Method> initial1 = eone.getInitialMethods().stream().sorted((m1, m2) -> m1.getName().compareTo(m2.getName())).collect(Collectors.toList());
 		eone.run();
 		
-		etwo = new Execution(two);
+		Execution etwo = new Execution(two);
+		etwo.setBuildGraph(true);
+		etwo.setFollowInvokes(false);
 		etwo.populateInitialMethods();
 		List<Method> initial2 = etwo.getInitialMethods().stream().sorted((m1, m2) -> m1.getName().compareTo(m2.getName())).collect(Collectors.toList());
 		etwo.run();
@@ -153,6 +175,12 @@ public class Rename
 			Method m = (Method) next.get();
 			Method m2 = (Method) objMap.get(m);
 			
+			if (m.getCode() == null || m2.getCode() == null)
+			{
+				processed.add(m);
+				continue;
+			}
+			
 			System.out.println("Scanning " + m.getMethods().getClassFile().getName() + "." + m.getName() + " -> " + m2.getMethods().getClassFile().getName() + "." + m2.getName());
 			process(m, m2);
 			processed.add(m);

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

@@ -27,7 +27,8 @@ public class Execution
 	private Encryption encryption;
 	public MultiValueMap<Instruction, InstructionContext> contexts = new MultiValueMap<>();
 	private Map<Method, MethodContext> methodContexts = new HashMap<>();
-	private boolean buildGraph;
+	private boolean buildGraph; // if true the frame graph is built and execution hasJumped also compares previous instructions
+	private boolean followInvokes = true;
 
 	public Execution(ClassGroup group)
 	{
@@ -43,6 +44,16 @@ public class Execution
 	{
 		this.encryption = encryption;
 	}
+
+	public boolean isFollowInvokes()
+	{
+		return followInvokes;
+	}
+
+	public void setFollowInvokes(boolean followInvokes)
+	{
+		this.followInvokes = followInvokes;
+	}
 	
 	public List<Method> getInitialMethods()
 	{
@@ -104,6 +115,9 @@ public class Execution
 	
 	public void invoke(InstructionContext from, Method to)
 	{
+		if (!this.isFollowInvokes())
+			return;
+		
 		if (hasInvoked(from, to))
 			return;
 		
@@ -112,6 +126,13 @@ public class Execution
 		this.addFrame(f);
 	}
 	
+	public void addMethod(Method to)
+	{
+		Frame f = new Frame(this, to);
+		f.initialize();
+		this.addFrame(f);
+	}
+	
 	public void run()
 	{
 		int fcount = 0;

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

@@ -22,6 +22,13 @@ public class VariableContext
 		this.type = type;
 	}
 	
+	public VariableContext(InstructionContext i, VariableContext other)
+	{
+		ic = i;
+		ctx = other.ctx;
+		type = other.type;
+	}
+	
 	public StackContext getStackContext()
 	{
 		return ctx;