Add several classes from dx tool to the dexgen project

[android-x86/dalvik.git] / dexgen / src / com / android / dexgen / rop / cst / CstEnumRef.java

diff --git a/dexgen/src/com/android/dexgen/rop/cst/CstEnumRef.java b/dexgen/src/com/android/dexgen/rop/cst/CstEnumRef.java
new file mode 100644 (file)
index 0000000..d566946
--- /dev/null
+++ b/dexgen/src/com/android/dexgen/rop/cst/CstEnumRef.java
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.dexgen.rop.cst;
+
+import com.android.dexgen.rop.type.Type;
+
+/**
+ * Constant type to represent a reference to a particular constant
+ * value of an enumerated type.
+ */
+public final class CstEnumRef extends CstMemberRef {
+    /** {@code null-ok;} the corresponding field ref, lazily initialized */
+    private CstFieldRef fieldRef;
+
+    /**
+     * Constructs an instance.
+     *
+     * @param nat {@code non-null;} the name-and-type; the defining class is derived
+     * from this
+     */
+    public CstEnumRef(CstNat nat) {
+        super(new CstType(nat.getFieldType()), nat);
+
+        fieldRef = null;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public String typeName() {
+        return "enum";
+    }
+
+    /**
+     * {@inheritDoc}
+     *
+     * <b>Note:</b> This returns the enumerated type.
+     */
+    public Type getType() {
+        return getDefiningClass().getClassType();
+    }
+
+    /**
+     * Get a {@link CstFieldRef} that corresponds with this instance.
+     *
+     * @return {@code non-null;} the corresponding field reference
+     */
+    public CstFieldRef getFieldRef() {
+        if (fieldRef == null) {
+            fieldRef = new CstFieldRef(getDefiningClass(), getNat());
+        }
+
+        return fieldRef;
+    }
+}