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/*
* Javassist, a Java-bytecode translator toolkit.
* Copyright (C) 1999-2003 Shigeru Chiba. All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
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);
}
}
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