Java API: a first version that compiles. This is still untested.

Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>

src/api/java/Symbol.java

@@ -0,0 +1,81 @@
+/**
+ * This file was automatically generated from Symbol.cs 
+ * w/ further modifications by:
+ * @author Christoph M. Wintersteiger (cwinter)
+ **/
+
+package com.Microsoft.Z3;
+
+import com.Microsoft.Z3.Enumerations.*;
+
+/**
+ * Symbols are used to name several term and type constructors.
+ **/
+public class Symbol extends Z3Object
+{
+    /**
+     * The kind of the symbol (int or string)
+     **/
+    protected Z3_symbol_kind Kind()
+    {
+        return Z3_symbol_kind.fromInt(Native.getSymbolKind(Context().nCtx(),
+                NativeObject()));
+    }
+
+    /**
+     * Indicates whether the symbol is of Int kind
+     **/
+    public boolean IsIntSymbol()
+    {
+        return Kind() == Z3_symbol_kind.Z3_INT_SYMBOL;
+    }
+
+    /**
+     * Indicates whether the symbol is of string kind.
+     **/
+    public boolean IsStringSymbol()
+    {
+        return Kind() == Z3_symbol_kind.Z3_STRING_SYMBOL;
+    }
+
+    /**
+     * A string representation of the symbol.
+     **/
+    public String toString()
+    {
+        try
+        {
+            if (IsIntSymbol())
+                return Integer.toString(((IntSymbol) this).Int());
+            else if (IsStringSymbol())
+                return ((StringSymbol) this).String();
+            else
+                return new String(
+                        "Z3Exception: Unknown symbol kind encountered.");
+        } catch (Z3Exception ex)
+        {
+            return new String("Z3Exception: " + ex.getMessage());
+        }
+    }
+
+    /**
+     * Symbol constructor
+     **/
+    protected Symbol(Context ctx, long obj) throws Z3Exception
+    {
+        super(ctx, obj);
+    }
+
+    static Symbol Create(Context ctx, long obj) throws Z3Exception
+    {
+        switch (Z3_symbol_kind.fromInt(Native.getSymbolKind(ctx.nCtx(), obj)))
+        {
+        case Z3_INT_SYMBOL:
+            return new IntSymbol(ctx, obj);
+        case Z3_STRING_SYMBOL:
+            return new StringSymbol(ctx, obj);
+        default:
+            throw new Z3Exception("Unknown symbol kind encountered");
+        }
+    }
+}