1 files changed, 112 insertions, 0 deletions
diff --git a/src/proguard/classfile/attribute/preverification/VerificationTypeFactory.java b/src/proguard/classfile/attribute/preverification/VerificationTypeFactory.java
new file mode 100644
index 0000000..f8ef7e0
--- /dev/null
+++ b/src/proguard/classfile/attribute/preverification/VerificationTypeFactory.java
@@ -0,0 +1,112 @@
+/*
+ * ProGuard -- shrinking, optimization, obfuscation, and preverification
+ *             of Java bytecode.
+ *
+ * Copyright (c) 2002-2009 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.attribute.preverification;
+
+/**
+ * This class provides methods to create and reuse IntegerType objects.
+ *
+ * @author Eric Lafortune
+ */
+public class VerificationTypeFactory
+{
+    // Shared copies of Type objects, to avoid creating a lot of objects.
+    static final IntegerType           INTEGER_TYPE            = new IntegerType();
+    static final LongType              LONG_TYPE               = new LongType();
+    static final FloatType             FLOAT_TYPE              = new FloatType();
+    static final DoubleType            DOUBLE_TYPE             = new DoubleType();
+    static final TopType               TOP_TYPE                = new TopType();
+    static final NullType              NULL_TYPE               = new NullType();
+    static final UninitializedThisType UNINITIALIZED_THIS_TYPE = new UninitializedThisType();
+
+
+    /**
+     * Creates a new IntegerType.
+     */
+    public static IntegerType createIntegerType()
+    {
+        return INTEGER_TYPE;
+    }
+
+    /**
+     * Creates a new LongType.
+     */
+    public static LongType createLongType()
+    {
+        return LONG_TYPE;
+    }
+
+    /**
+     * Creates a new FloatType.
+     */
+    public static FloatType createFloatType()
+    {
+        return FLOAT_TYPE;
+    }
+
+    /**
+     * Creates a new DoubleType.
+     */
+    public static DoubleType createDoubleType()
+    {
+        return DOUBLE_TYPE;
+    }
+
+    /**
+     * Creates a new TopType.
+     */
+    public static TopType createTopType()
+    {
+        return TOP_TYPE;
+    }
+
+    /**
+     * Creates a new NullType.
+     */
+    public static NullType createNullType()
+    {
+        return NULL_TYPE;
+    }
+
+    /**
+     * Creates a new UninitializedThisType.
+     */
+    public static UninitializedThisType createUninitializedThisType()
+    {
+        return UNINITIALIZED_THIS_TYPE;
+    }
+
+    /**
+     * Creates a new UninitializedType for an instance that was created at
+     * the given offset.
+     */
+    public static UninitializedType createUninitializedType(int newInstructionOffset)
+    {
+        return new UninitializedType(newInstructionOffset);
+    }
+
+    /**
+     * Creates a new ObjectType of the given type.
+     */
+    public static ObjectType createObjectType(int classIndex)
+    {
+        return new ObjectType(classIndex);
+    }
+}