1 files changed, 111 insertions, 0 deletions
diff --git a/third_party/java/proguard/proguard5.3.3/src/proguard/classfile/attribute/SignatureAttribute.java b/third_party/java/proguard/proguard5.3.3/src/proguard/classfile/attribute/SignatureAttribute.java
new file mode 100644
index 0000000000..943056ff98
--- /dev/null
+++ b/third_party/java/proguard/proguard5.3.3/src/proguard/classfile/attribute/SignatureAttribute.java
@@ -0,0 +1,111 @@
+/*
+ * ProGuard -- shrinking, optimization, obfuscation, and preverification
+ *             of Java bytecode.
+ *
+ * Copyright (c) 2002-2017 Eric Lafortune @ GuardSquare
+ *
+ * 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.attribute;
+
+import proguard.classfile.*;
+import proguard.classfile.attribute.visitor.AttributeVisitor;
+import proguard.classfile.visitor.ClassVisitor;
+
+/**
+ * This Attribute represents a signature attribute.
+ *
+ * @author Eric Lafortune
+ */
+public class SignatureAttribute extends Attribute
+{
+    public int u2signatureIndex;
+
+    /**
+     * An extra field containing all the classes referenced in the
+     * signature string. This field is filled out by the {@link
+     * proguard.classfile.util.ClassReferenceInitializer ClassReferenceInitializer}.
+     * The size of the array is the number of classes in the signature.
+     * Primitive types and arrays of primitive types are ignored.
+     * Unknown classes are represented as null values.
+     */
+    public Clazz[] referencedClasses;
+
+
+    /**
+     * Creates an uninitialized SignatureAttribute.
+     */
+    public SignatureAttribute()
+    {
+    }
+
+
+    /**
+     * Creates an initialized SignatureAttribute.
+     */
+    public SignatureAttribute(int u2attributeNameIndex,
+                              int u2signatureIndex)
+    {
+        super(u2attributeNameIndex);
+
+        this.u2signatureIndex = u2signatureIndex;
+    }
+
+
+    /**
+     * Returns the signature.
+     */
+    public String getSignature(Clazz clazz)
+    {
+        return clazz.getString(u2signatureIndex);
+    }
+
+
+    /**
+     * Lets the Clazz objects referenced in the signature string accept the
+     * given visitor.
+     */
+    public void referencedClassesAccept(ClassVisitor classVisitor)
+    {
+        if (referencedClasses != null)
+        {
+            for (int index = 0; index < referencedClasses.length; index++)
+            {
+                if (referencedClasses[index] != null)
+                {
+                    referencedClasses[index].accept(classVisitor);
+                }
+            }
+        }
+    }
+
+
+    // Implementations for Attribute.
+
+    public void accept(Clazz clazz, AttributeVisitor attributeVisitor)
+    {
+        attributeVisitor.visitSignatureAttribute(clazz, this);
+    }
+
+    public void accept(Clazz clazz, Field field, AttributeVisitor attributeVisitor)
+    {
+        attributeVisitor.visitSignatureAttribute(clazz, field, this);
+    }
+
+    public void accept(Clazz clazz, Method method, AttributeVisitor attributeVisitor)
+    {
+        attributeVisitor.visitSignatureAttribute(clazz, method, this);
+    }
+ }