1 files changed, 93 insertions, 0 deletions
diff --git a/third_party/java/proguard/proguard5.3.3/src/proguard/optimize/OptimizationInfoMemberFilter.java b/third_party/java/proguard/proguard5.3.3/src/proguard/optimize/OptimizationInfoMemberFilter.java
new file mode 100644
index 0000000000..950fcfa5bb
--- /dev/null
+++ b/third_party/java/proguard/proguard5.3.3/src/proguard/optimize/OptimizationInfoMemberFilter.java
@@ -0,0 +1,93 @@
+/*
+ * 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.optimize;
+
+import proguard.classfile.*;
+import proguard.classfile.visitor.MemberVisitor;
+import proguard.optimize.info.*;
+
+/**
+ * This <code>MemberVisitor</code> delegates its visits to another given
+ * <code>MemberVisitor</code>, but only when the visited member has optimization
+ * info.
+ *
+ * @see FieldOptimizationInfo
+ * @see MethodOptimizationInfo
+ * @author Eric Lafortune
+ */
+public class OptimizationInfoMemberFilter
+implements   MemberVisitor
+{
+    private final MemberVisitor memberVisitor;
+
+
+    /**
+     * Creates a new OptimizationInfoMemberFilter.
+     * @param memberVisitor the <code>MemberVisitor</code> to which visits will
+     *                      be delegated.
+     */
+    public OptimizationInfoMemberFilter(MemberVisitor memberVisitor)
+    {
+        this.memberVisitor = memberVisitor;
+    }
+
+
+    // Implementations for MemberVisitor.
+
+    public void visitProgramField(ProgramClass programClass, ProgramField programField)
+    {
+        // Does the field have optimization info?
+        if (FieldOptimizationInfo.getFieldOptimizationInfo(programField) != null)
+        {
+            memberVisitor.visitProgramField(programClass, programField);
+        }
+    }
+
+
+    public void visitLibraryField(LibraryClass libraryClass, LibraryField libraryField)
+    {
+        // Does the field have optimization info?
+        if (FieldOptimizationInfo.getFieldOptimizationInfo(libraryField) != null)
+        {
+            memberVisitor.visitLibraryField(libraryClass, libraryField);
+        }
+    }
+
+
+    public void visitProgramMethod(ProgramClass programClass, ProgramMethod programMethod)
+    {
+        // Does the method have optimization info?
+        if (MethodOptimizationInfo.getMethodOptimizationInfo(programMethod) != null)
+        {
+            memberVisitor.visitProgramMethod(programClass, programMethod);
+        }
+    }
+
+
+    public void visitLibraryMethod(LibraryClass libraryClass, LibraryMethod libraryMethod)
+    {
+        // Does the method have optimization info?
+        if (MethodOptimizationInfo.getMethodOptimizationInfo(libraryMethod) != null)
+        {
+            memberVisitor.visitLibraryMethod(libraryClass, libraryMethod);
+        }
+    }
+}