added debugging support and integrated with Eclipse debugger

src/main/java/lua/debug/TableVariable.java

@@ -0,0 +1,61 @@
+/*******************************************************************************
+* Copyright (c) 2007 LuaJ. All rights reserved.
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy
+* of this software and associated documentation files (the "Software"), to deal
+* in the Software without restriction, including without limitation the rights
+* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+* copies of the Software, and to permit persons to whom the Software is
+* furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in
+* all copies or substantial portions of the Software.
+* 
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+* THE SOFTWARE.
+******************************************************************************/
+package lua.debug;
+
+import lua.value.LTable;
+import lua.value.LValue;
+import lua.value.Type;
+
+public class TableVariable extends Variable {
+    
+    private static final long serialVersionUID = 1194778378382802700L;
+    protected String[] keys;
+    protected Object[] values;
+    
+    public TableVariable(int index, String name, Type type, LTable table) {
+        super(index, name, type, null);
+        
+        int size = table.size();
+        DebugUtils.println("table size:" + size);
+        this.keys = new String[size];  
+        this.values = new Object[size];
+        LValue[] keyValues = table.getKeys();        
+        for (int i = 0; i < size; i++) {
+            this.keys[i] = keyValues[i].toString();            
+            LValue value = table.get(keyValues[i]);
+            if (value instanceof LTable) {
+                this.values[i] = new TableVariable(i, "<table>", Type.table, (LTable)value);
+            } else {
+                this.values[i] = value.toString();
+            }
+            DebugUtils.println("["+ keys[i] + "," + values[i].toString() + "]");
+        }
+    }
+    
+    public String[] getKeys() {
+        return this.keys;
+    }
+    
+    public Object[] getValues() {
+        return this.values;
+    }
+}