diff graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/local/SLReadLocalVariableNode.java @ 13821:b16ec83edc73

Documentation and more refactoring of Simple Language
author Christian Wimmer <christian.wimmer@oracle.com>
date Wed, 29 Jan 2014 20:45:43 -0800
parents graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/local/ReadLocalNode.java@7c418666c6c9
children 64c77f0577bb
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/local/SLReadLocalVariableNode.java	Wed Jan 29 20:45:43 2014 -0800
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2012, 2014, 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.
+ *
+ * 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 com.oracle.truffle.sl.nodes.local;
+
+import com.oracle.truffle.api.dsl.*;
+import com.oracle.truffle.api.frame.*;
+import com.oracle.truffle.sl.nodes.*;
+
+@PolymorphicLimit(1)
+@NodeField(name = "slot", type = FrameSlot.class)
+public abstract class SLReadLocalVariableNode extends SLExpressionNode {
+
+    protected abstract FrameSlot getSlot();
+
+    @Specialization(rewriteOn = {FrameSlotTypeException.class})
+    protected long readLong(VirtualFrame frame) throws FrameSlotTypeException {
+        return frame.getLong(getSlot());
+    }
+
+    @Specialization(rewriteOn = {FrameSlotTypeException.class})
+    protected boolean readBoolean(VirtualFrame frame) throws FrameSlotTypeException {
+        return frame.getBoolean(getSlot());
+    }
+
+    @Specialization(rewriteOn = {FrameSlotTypeException.class})
+    protected Object readObject(VirtualFrame frame) throws FrameSlotTypeException {
+        return frame.getObject(getSlot());
+    }
+
+    @Generic
+    protected Object readGeneric(VirtualFrame frame) {
+        return frame.getValue(getSlot());
+    }
+}