More execution, including getstatic

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

@@ -0,0 +1,54 @@
+package info.sigterm.deob.execution;
+
+import info.sigterm.deob.ClassFile;
+import info.sigterm.deob.Field;
+import info.sigterm.deob.Fields;
+import info.sigterm.deob.attributes.AttributeType;
+import info.sigterm.deob.attributes.Attributes;
+import info.sigterm.deob.attributes.ConstantValue;
+import info.sigterm.deob.pool.NameAndType;
+
+import java.util.ArrayList;
+
+public class ClassInstance
+{
+	private Path path;
+	private ClassFile clazz;
+	private ArrayList<StaticFieldInstance> fields = new ArrayList<StaticFieldInstance>();
+
+	public ClassInstance(Path path, ClassFile clazz)
+	{
+		this.path = path;
+		this.clazz = clazz;
+
+		/* initialize static fields */
+		Fields fields = clazz.getFields();
+		for (Field field : fields.getFields())
+			if ((field.getAccessFlags() & Field.ACC_STATIC) != 0)
+			{
+				Attributes attributes = field.getAttributes();
+				ConstantValue cv = (ConstantValue) attributes.findType(AttributeType.CONSTANT_VALUE);
+
+				StaticFieldInstance fi = new StaticFieldInstance(field, cv);
+				this.fields.add(fi);
+			}
+	}
+
+	public Path getPath()
+	{
+		return path;
+	}
+
+	public ClassFile getClassFile()
+	{
+		return clazz;
+	}
+
+	public StaticFieldInstance findStaticField(NameAndType nat)
+	{
+		for (StaticFieldInstance f : fields)
+				if (f.getField().getName().equals(nat.getName()) && f.getField().getDescriptor().equals(nat.getDescriptor()))
+					return f;
+		return null;
+	}
+}

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

@@ -21,6 +21,11 @@ public class Frame
 		variables = new Variables(code.getMaxLocals());
 	}
 
+	public Path getPath()
+	{
+		return path;
+	}
+
 	public Stack getStack()
 	{
 		return stack;

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

@@ -0,0 +1,6 @@
+package info.sigterm.deob.execution;
+
+public class ObjectInstance
+{
+	private ClassInstance type;
+}

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

@@ -1,10 +1,14 @@
 package info.sigterm.deob.execution;
 
+import info.sigterm.deob.ClassFile;
 import info.sigterm.deob.Method;
 
+import java.util.ArrayList;
+
 public class Path
 {
 	private Execution execution;
+	private ArrayList<ClassInstance> classes = new ArrayList<ClassInstance>();
 	private java.util.Stack<Frame> frames = new java.util.Stack<Frame>(); // current execution frames
 
 	public Path(Execution execution)
@@ -12,6 +16,28 @@ public class Path
 		this.execution = execution;
 	}
 
+	public Execution getExecution()
+	{
+		return execution;
+	}
+
+	public ClassInstance getClassInstance(ClassFile clazz)
+	{
+		for (ClassInstance cl : classes)
+			if (cl.getClassFile() == clazz)
+				return cl;
+
+		/* load parent */
+		ClassFile parent = clazz.getParent();
+		if (parent != null)
+			getClassInstance(parent);
+
+		ClassInstance cl = new ClassInstance(this, clazz);
+		classes.add(cl);
+
+		return cl;
+	}
+
 	public void init(Method method, Object[] args)
 	{
 		Frame f = new Frame(this, method);

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

@@ -0,0 +1,26 @@
+package info.sigterm.deob.execution;
+
+import info.sigterm.deob.Field;
+import info.sigterm.deob.attributes.ConstantValue;
+
+public class StaticFieldInstance
+{
+	private Field field;
+	private ConstantValue value;
+
+	public StaticFieldInstance(Field field, ConstantValue value)
+	{
+		this.field = field;
+		this.value = value;
+	}
+
+	public Field getField()
+	{
+		return field;
+	}
+
+	public ConstantValue getValue()
+	{
+		return value;
+	}
+}