A draft for ProgramPlayDialog

ethereumj-core/src/main/java/org/ethereum/gui/ProgramPlayDialog.java

@@ -0,0 +1,150 @@
+package org.ethereum.gui;
+
+import org.ethereum.vm.Program;
+import org.ethereum.vm.VM;
+import org.spongycastle.util.encoders.Hex;
+
+import javax.swing.*;
+import javax.swing.event.ChangeEvent;
+import javax.swing.event.ChangeListener;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.WindowListener;
+import java.util.*;
+import java.util.List;
+
+/**
+ * www.ethereumJ.com
+ * User: Roman Mandeleil
+ * Created on: 02/06/2014 16:58
+ */
+
+public class ProgramPlayDialog extends JPanel implements ActionListener, ChangeListener, Program.ProgramListener {
+
+    public List<String> outputList;
+    public JTextArea console;
+
+    public ProgramPlayDialog() {
+
+        outputList = new ArrayList<String>();
+
+        VM vm = new VM();
+        Program program = new Program(Hex.decode("630000000060445960CC60DD611234600054615566602054"));
+        program.addListener(this);
+        program.fullTrace();
+
+        vm.step(program);
+        vm.step(program);
+        vm.step(program);
+        vm.step(program);
+        vm.step(program);
+        vm.step(program);
+        vm.step(program);
+        vm.step(program);
+        vm.step(program);
+        vm.step(program);
+        vm.step(program);
+
+
+
+        setLayout(new BoxLayout(this, BoxLayout.PAGE_AXIS));
+
+        //Create the slider.
+        JSlider stepSlider = new JSlider(JSlider.HORIZONTAL,
+                0, outputList.size() - 1, 0);
+
+
+        stepSlider.addChangeListener(this);
+
+        //Turn on labels at major tick marks.
+
+        stepSlider.setMajorTickSpacing(1);
+        stepSlider.setMinorTickSpacing(1);
+        stepSlider.setPaintTicks(true);
+        stepSlider.setPaintLabels(true);
+        stepSlider.setBorder(
+                BorderFactory.createEmptyBorder(0, 0, 10, 0));
+        Font font = new Font("Serif", Font.ITALIC, 15);
+        stepSlider.setFont(font);
+        stepSlider.addChangeListener(this);
+
+
+        //Create the label that displays the animation.
+        add(stepSlider);
+
+        int i = stepSlider.getValue();
+        console = new JTextArea(outputList.get(i));
+        console.setFont(new Font("Courier New", Font.PLAIN, 13));
+        console.setForeground(Color.GRAY);
+
+
+        add(console);
+
+
+        this.setPreferredSize(new Dimension(600, 300));
+    }
+
+    @Override
+    public void actionPerformed(ActionEvent e) {
+
+
+
+    }
+
+    @Override
+    public void stateChanged(ChangeEvent e) {
+        JSlider source = (JSlider)e.getSource();
+        int step = (int)source.getValue();
+
+        int i = source.getValue();
+        String out = outputList.get(i);
+
+        console.setText(out);
+    }
+
+
+    /**
+     * Create the GUI and show it.  For thread safety,
+     * this method should be invoked from the
+     * event-dispatching thread.
+     */
+    private static void createAndShowGUI() {
+
+
+
+        ProgramPlayDialog ppd = new ProgramPlayDialog();
+
+        //Create and set up the window.
+        JFrame frame = new JFrame("SliderDemo");
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+
+        //Add content to the window.
+        frame.add(ppd, BorderLayout.CENTER);
+
+        //Display the window.
+        frame.pack();
+        frame.setVisible(true);
+    }
+
+    @Override
+    public void output(String out) {
+        outputList.add(out);
+    }
+
+    public static void main(String []args){
+
+        /* Turn off metal's use of bold fonts */
+        UIManager.put("swing.boldMetal", Boolean.FALSE);
+
+
+        //Schedule a job for the event-dispatching thread:
+        //creating and showing this application's GUI.
+        javax.swing.SwingUtilities.invokeLater(new Runnable() {
+            public void run() {
+                createAndShowGUI();
+            }
+        });
+
+    }
+}

ethereumj-core/src/main/java/org/ethereum/vm/Program.java

@@ -20,6 +20,7 @@ import java.util.*;
 public class Program {
 
     Logger logger = LoggerFactory.getLogger("VM");
+    ProgramListener listener;
 
     Stack<DataWord> stack = new Stack<DataWord>();
     Map<DataWord, DataWord> storage = new HashMap<DataWord, DataWord>();
@@ -209,7 +210,24 @@ public class Program {
             logger.debug(" -- STORAGE -- {}\n", storageData);
 
 
+            StringBuilder global = new StringBuilder();
+            global.append(" -- OPS --     ").append(opsString).append("\n");
+            global.append(" -- STACK --   ").append(stackData).append("\n");
+            global.append(" -- MEMORY --  ").append(memoryData).append("\n");
+            global.append(" -- STORAGE -- ").append(storageData).append("\n");
+
+            if (listener != null){
+                listener.output(global.toString());
+            }
+
         };
     }
 
+    public void addListener(ProgramListener listener){
+        this.listener = listener;
+    }
+
+    public interface ProgramListener{
+        public void output(String out);
+    }
 }

ethereumj-core/src/main/java/org/ethereum/vm/VM.java

@@ -71,10 +71,10 @@ public class VM {
                 program.stackPush(word1);
                 program.step();
             }break;
-//            case SLT:
-//                break;
-//            case SGT:
-//                break;
+            case SLT:
+                break;
+            case SGT:
+                break;
             case GT:{
                 DataWord word1 = program.stackPull();
                 DataWord word2 = program.stackPull();
@@ -165,8 +165,8 @@ public class VM {
              * SHA3
              */
 
-//            case SHA3:
-//                break;
+            case SHA3:
+                break;
 
             /**
              * Environmental Information