1 files changed, 130 insertions, 0 deletions
diff --git a/src/proguard/classfile/constant/RefConstant.java b/src/proguard/classfile/constant/RefConstant.java
new file mode 100644
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--- /dev/null
+++ b/src/proguard/classfile/constant/RefConstant.java
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+/*
+ * ProGuard -- shrinking, optimization, obfuscation, and preverification
+ *             of Java bytecode.
+ *
+ * Copyright (c) 2002-2009 Eric Lafortune (eric@graphics.cornell.edu)
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program 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 General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+package proguard.classfile.constant;
+
+import proguard.classfile.*;
+import proguard.classfile.visitor.*;
+
+/**
+ * This Constant represents a ref constant in the constant pool.
+ *
+ * @author Eric Lafortune
+ */
+public abstract class RefConstant extends Constant
+{
+    public int u2classIndex;
+    public int u2nameAndTypeIndex;
+
+    /**
+     * An extra field pointing to the referenced Clazz object.
+     * This field is typically filled out by the <code>{@link
+     * proguard.classfile.util.ClassReferenceInitializer
+     * ClassReferenceInitializer}</code>.
+     */
+    public Clazz referencedClass;
+
+    /**
+     * An extra field optionally pointing to the referenced Member object.
+     * This field is typically filled out by the <code>{@link
+     * proguard.classfile.util.ClassReferenceInitializer
+     * ClassReferenceInitializer}</code>.
+     */
+    public Member referencedMember;
+
+
+    protected RefConstant()
+    {
+    }
+
+
+    /**
+     * Returns the class index.
+     */
+    public int getClassIndex()
+    {
+        return u2classIndex;
+    }
+
+    /**
+     * Returns the name-and-type index.
+     */
+    public int getNameAndTypeIndex()
+    {
+        return u2nameAndTypeIndex;
+    }
+
+    /**
+     * Sets the name-and-type index.
+     */
+    public void setNameAndTypeIndex(int index)
+    {
+        u2nameAndTypeIndex = index;
+    }
+
+    /**
+     * Returns the class name.
+     */
+    public String getClassName(Clazz clazz)
+    {
+        return clazz.getClassName(u2classIndex);
+    }
+
+    /**
+     * Returns the method/field name.
+     */
+    public String getName(Clazz clazz)
+    {
+        return clazz.getName(u2nameAndTypeIndex);
+    }
+
+    /**
+     * Returns the type.
+     */
+    public String getType(Clazz clazz)
+    {
+        return clazz.getType(u2nameAndTypeIndex);
+    }
+
+
+    /**
+     * Lets the referenced class accept the given visitor.
+     */
+    public void referencedClassAccept(ClassVisitor classVisitor)
+    {
+        if (referencedClass != null)
+        {
+            referencedClass.accept(classVisitor);
+        }
+    }
+
+
+    /**
+     * Lets the referenced class member accept the given visitor.
+     */
+    public void referencedMemberAccept(MemberVisitor memberVisitor)
+    {
+        if (referencedMember != null)
+        {
+            referencedMember.accept(referencedClass,
+                                    memberVisitor);
+        }
+    }
+}