1 files changed, 88 insertions, 0 deletions
diff --git a/third_party/java/proguard/proguard5.3.3/src/proguard/Targeter.java b/third_party/java/proguard/proguard5.3.3/src/proguard/Targeter.java
new file mode 100644
index 0000000000..4618d5dc84
--- /dev/null
+++ b/third_party/java/proguard/proguard5.3.3/src/proguard/Targeter.java
@@ -0,0 +1,88 @@
+/*
+ * 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;
+
+import proguard.classfile.ClassPool;
+import proguard.classfile.util.ClassUtil;
+import proguard.classfile.visitor.ClassVersionSetter;
+
+import java.io.IOException;
+import java.util.*;
+
+/**
+ * This class sets the target version on program classes.
+ *
+ * @author Eric Lafortune
+ */
+public class Targeter
+{
+    private final Configuration configuration;
+
+
+    /**
+     * Creates a new Targeter to set the target version on program classes
+     * according to the given configuration.
+     */
+    public Targeter(Configuration configuration)
+    {
+        this.configuration = configuration;
+    }
+
+
+    /**
+     * Sets the target version on classes in the given program class pool.
+     */
+    public void execute(ClassPool programClassPool) throws IOException
+    {
+        Set newerClassVersions = configuration.warn != null ? null : new HashSet();
+
+        programClassPool.classesAccept(new ClassVersionSetter(configuration.targetClassVersion,
+                                                              newerClassVersions));
+
+        if (newerClassVersions != null &&
+            newerClassVersions.size() > 0)
+        {
+            System.err.print("Warning: some classes have more recent versions (");
+
+            Iterator iterator = newerClassVersions.iterator();
+            while (iterator.hasNext())
+            {
+                Integer classVersion = (Integer)iterator.next();
+                System.err.print(ClassUtil.externalClassVersion(classVersion.intValue()));
+
+                if (iterator.hasNext())
+                {
+                    System.err.print(",");
+                }
+            }
+
+            System.err.println(")");
+            System.err.println("         than the target version ("+ClassUtil.externalClassVersion(configuration.targetClassVersion)+").");
+
+            if (!configuration.ignoreWarnings)
+            {
+                System.err.println("         If you are sure this is not a problem,");
+                System.err.println("         you could try your luck using the '-ignorewarnings' option.");
+                throw new IOException("Please correct the above warnings first.");
+            }
+        }
+    }
+}