1 files changed, 99 insertions, 0 deletions
diff --git a/dx/src/com/android/dx/rop/cst/CstBoolean.java b/dx/src/com/android/dx/rop/cst/CstBoolean.java
new file mode 100644
index 0000000..5ff858a
--- /dev/null
+++ b/dx/src/com/android/dx/rop/cst/CstBoolean.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2007 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.dx.rop.cst;
+
+import com.android.dx.rop.type.Type;
+
+/**
+ * Constants of type {@code boolean}.
+ */
+public final class CstBoolean
+        extends CstLiteral32 {
+    /** {@code non-null;} instance representing {@code false} */
+    public static final CstBoolean VALUE_FALSE = new CstBoolean(false);
+
+    /** {@code non-null;} instance representing {@code true} */
+    public static final CstBoolean VALUE_TRUE = new CstBoolean(true);
+
+    /**
+     * Makes an instance for the given value. This will return an
+     * already-allocated instance.
+     *
+     * @param value the {@code boolean} value
+     * @return {@code non-null;} the appropriate instance
+     */
+    public static CstBoolean make(boolean value) {
+        return value ? VALUE_TRUE : VALUE_FALSE;
+    }
+
+    /**
+     * Makes an instance for the given {@code int} value. This
+     * will return an already-allocated instance.
+     *
+     * @param value must be either {@code 0} or {@code 1}
+     * @return {@code non-null;} the appropriate instance
+     */
+    public static CstBoolean make(int value) {
+        if (value == 0) {
+            return VALUE_FALSE;
+        } else if (value == 1) {
+            return VALUE_TRUE;
+        } else {
+            throw new IllegalArgumentException("bogus value: " + value);
+        }
+    }
+
+    /**
+     * Constructs an instance. This constructor is private; use {@link #make}.
+     *
+     * @param value the {@code boolean} value
+     */
+    private CstBoolean(boolean value) {
+        super(value ? 1 : 0);
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public String toString() {
+        return getValue() ? "boolean{true}" : "boolean{false}";
+    }
+
+    /** {@inheritDoc} */
+    public Type getType() {
+        return Type.BOOLEAN;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public String typeName() {
+        return "boolean";
+    }
+
+    /** {@inheritDoc} */
+    public String toHuman() {
+        return getValue() ? "true" : "false";
+    }
+
+    /**
+     * Gets the {@code boolean} value.
+     *
+     * @return the value
+     */
+    public boolean getValue() {
+        return (getIntBits() == 0) ? false : true;
+    }
+}