1 files changed, 68 insertions, 0 deletions
diff --git a/third_party/java/proguard/proguard5.3.3/src/proguard/preverify/Preverifier.java b/third_party/java/proguard/proguard5.3.3/src/proguard/preverify/Preverifier.java
new file mode 100644
index 0000000000..2f5f51d567
--- /dev/null
+++ b/third_party/java/proguard/proguard5.3.3/src/proguard/preverify/Preverifier.java
@@ -0,0 +1,68 @@
+/*
+ * 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.preverify;
+
+import proguard.Configuration;
+import proguard.classfile.*;
+import proguard.classfile.attribute.visitor.AllAttributeVisitor;
+import proguard.classfile.visitor.*;
+
+/**
+ * This class can preverify methods in program class pools, according to a given
+ * configuration.
+ *
+ * @author Eric Lafortune
+ */
+public class Preverifier
+{
+    private final Configuration configuration;
+
+
+    /**
+     * Creates a new Preverifier.
+     */
+    public Preverifier(Configuration configuration)
+    {
+        this.configuration = configuration;
+    }
+
+
+    /**
+     * Performs preverification of the given program class pool.
+     */
+    public void execute(ClassPool programClassPool)
+    {
+        // Clean up any old visitor info.
+        programClassPool.classesAccept(new ClassCleaner());
+
+        // Preverify all methods.
+        // Classes for JME must be preverified.
+        // Classes for JSE 6 may optionally be preverified.
+        // Classes for JSE 7 or higher must be preverified.
+        programClassPool.classesAccept(
+            new ClassVersionFilter(configuration.microEdition ?
+                                       ClassConstants.CLASS_VERSION_1_0 :
+                                       ClassConstants.CLASS_VERSION_1_6,
+            new AllMethodVisitor(
+            new AllAttributeVisitor(
+            new CodePreverifier(configuration.microEdition)))));
+    }
+}