1 files changed, 66 insertions, 0 deletions
diff --git a/src/jdk/nashorn/internal/codegen/MapTuple.java b/src/jdk/nashorn/internal/codegen/MapTuple.java
new file mode 100644
index 00000000..024c3d67
--- /dev/null
+++ b/src/jdk/nashorn/internal/codegen/MapTuple.java
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package jdk.nashorn.internal.codegen;
+
+import static jdk.nashorn.internal.codegen.ObjectClassGenerator.OBJECT_FIELDS_ONLY;
+
+import jdk.nashorn.internal.codegen.types.Type;
+import jdk.nashorn.internal.ir.Symbol;
+
+/**
+ * A tuple of values used for map creation
+ * @param <T> value type
+ */
+class MapTuple<T> {
+    final String key;
+    final Symbol symbol;
+    final Type   type;
+    final T      value;
+
+    MapTuple(final String key, final Symbol symbol, final Type type) {
+        this(key, symbol, type, null);
+    }
+
+    MapTuple(final String key, final Symbol symbol, final Type type, final T value) {
+        this.key    = key;
+        this.symbol = symbol;
+        this.type   = type;
+        this.value  = value;
+    }
+
+    public Class<?> getValueType() {
+        return OBJECT_FIELDS_ONLY ? Object.class : null; //until proven otherwise we are undefined, see NASHORN-592 int.class;
+    }
+
+    boolean isPrimitive() {
+        return !OBJECT_FIELDS_ONLY && getValueType().isPrimitive() && getValueType() != boolean.class;
+    }
+
+    @Override
+    public String toString() {
+        return "[key=" + key + ", symbol=" + symbol + ", value=" + value + " (" + (value == null ? "null" : value.getClass().getSimpleName()) +")]";
+    }
+}