summaryrefslogtreecommitdiff
path: root/src/proguard/classfile/visitor/DynamicReturnedClassVisitor.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/proguard/classfile/visitor/DynamicReturnedClassVisitor.java')
-rw-r--r--src/proguard/classfile/visitor/DynamicReturnedClassVisitor.java68
1 files changed, 68 insertions, 0 deletions
diff --git a/src/proguard/classfile/visitor/DynamicReturnedClassVisitor.java b/src/proguard/classfile/visitor/DynamicReturnedClassVisitor.java
new file mode 100644
index 0000000..f9ac3cb
--- /dev/null
+++ b/src/proguard/classfile/visitor/DynamicReturnedClassVisitor.java
@@ -0,0 +1,68 @@
+/*
+ * ProGuard -- shrinking, optimization, obfuscation, and preverification
+ * of Java bytecode.
+ *
+ * Copyright (c) 2002-2014 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.visitor;
+
+import proguard.classfile.Clazz;
+import proguard.classfile.constant.*;
+import proguard.classfile.constant.visitor.ConstantVisitor;
+import proguard.classfile.util.*;
+
+/**
+ * This ConstantVisitor lets a given ClassVisitor visit all the referenced
+ * classes that are returned by the invoke dynamic constants that it visits.
+ *
+ * @author Eric Lafortune
+ */
+public class DynamicReturnedClassVisitor
+extends SimplifiedVisitor
+implements ConstantVisitor
+{
+ protected final ClassVisitor classVisitor;
+
+
+ public DynamicReturnedClassVisitor(ClassVisitor classVisitor)
+ {
+ this.classVisitor = classVisitor;
+ }
+
+
+ // Implementations for ConstantVisitor.
+
+ public void visitAnyConstant(Clazz clazz, Constant constant) {}
+
+
+ public void visitInvokeDynamicConstant(Clazz clazz, InvokeDynamicConstant invokeDynamicConstant)
+ {
+ // Is the method returning a class type?
+ Clazz[] referencedClasses = invokeDynamicConstant.referencedClasses;
+ if (referencedClasses != null &&
+ referencedClasses.length > 0 &&
+ ClassUtil.isInternalClassType(ClassUtil.internalMethodReturnType(invokeDynamicConstant.getType(clazz))))
+ {
+ // Let the visitor visit the return type class, if any.
+ Clazz referencedClass = referencedClasses[referencedClasses.length - 1];
+ if (referencedClass != null)
+ {
+ referencedClass.accept(classVisitor);
+ }
+ }
+ }
+}