Some thinking about execution

src/main/java/info/sigterm/deob/execution/Execution.java

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+package info.sigterm.deob.execution;
+
+import info.sigterm.deob.ClassGroup;
+import info.sigterm.deob.pool.Method;
+
+public class Execution
+{
+	private ClassGroup group;
+	private java.util.Stack<Frame> frames = new java.util.Stack<Frame>();
+
+	public Execution(ClassGroup group)
+	{
+		this.group = group;
+	}
+
+	public void run(Method method, Object... args)
+	{
+	}
+}

src/main/java/info/sigterm/deob/execution/Frame.java

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+package info.sigterm.deob.execution;
+
+import info.sigterm.deob.Method;
+import info.sigterm.deob.attributes.Code;
+
+public class Frame
+{
+	private Execution execution;
+	private Method method;
+	private Stack stack;
+	private Variables variables;
+
+	public Frame(Execution execution, Method method)
+	{
+		Code code = method.getCode();
+
+		this.execution = execution;
+		this.method = method;
+
+		stack = new Stack(code.getMaxStack());
+		variables = new Variables(code.getMaxLocals());
+	}
+}

src/main/java/info/sigterm/deob/execution/Stack.java

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+package info.sigterm.deob.execution;
+
+public class Stack
+{
+	private int size;
+	private Object[] stack;
+
+	public Stack(int sz)
+	{
+		stack = new Object[sz];
+	}
+
+	public void push(Object obj)
+	{
+		if (size == stack.length)
+			throw new RuntimeException("Stack overflow");
+
+		stack[size++] = obj;
+	}
+
+	public Object pop()
+	{
+		if (size <= 0)
+			throw new RuntimeException("Stack underflow");
+
+		return stack[--size];
+	}
+}

src/main/java/info/sigterm/deob/execution/Variables.java

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+package info.sigterm.deob.execution;
+
+public class Variables
+{
+	private Object variables;
+
+	public Variables(int sz)
+	{
+		variables = new Object[sz];
+	}
+}