1 files changed, 54 insertions, 0 deletions
diff --git a/src/main/javassist/compiler/SymbolTable.java b/src/main/javassist/compiler/SymbolTable.java
new file mode 100644
index 00000000..be318811
--- /dev/null
+++ b/src/main/javassist/compiler/SymbolTable.java
@@ -0,0 +1,54 @@
+/*
+ * This file is part of the Javassist toolkit.
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License.  You may obtain a copy of the License at
+ * either http://www.mozilla.org/MPL/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * The Original Code is Javassist.
+ *
+ * The Initial Developer of the Original Code is Shigeru Chiba.  Portions
+ * created by Shigeru Chiba are Copyright (C) 1999-2003 Shigeru Chiba.
+ * All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * The development of this software is supported in part by the PRESTO
+ * program (Sakigake Kenkyu 21) of Japan Science and Technology Corporation.
+ */
+
+package javassist.compiler;
+
+import java.util.HashMap;
+import javassist.compiler.ast.Declarator;
+
+public final class SymbolTable extends HashMap {
+    private SymbolTable parent;
+
+    public SymbolTable() { this(null); }
+
+    public SymbolTable(SymbolTable p) {
+	super();
+	parent = p;
+    }
+
+    public SymbolTable getParent() { return parent; }
+
+    public Declarator lookup(String name) {
+	Declarator found = (Declarator)get(name);
+	if (found == null && parent != null)
+	    return parent.lookup(name);
+	else
+	    return found;
+    }
+
+    public void append(String name, Declarator value) {
+	put(name, value);
+    }
+}