diff graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/expression/SLLogicalOrNode.java @ 13761:7c418666c6c9

Refactoring and cleanup of Simple Language (more to come soon)
author Christian Wimmer <christian.wimmer@oracle.com>
date Fri, 24 Jan 2014 18:16:24 -0800
parents
children b16ec83edc73
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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/expression/SLLogicalOrNode.java	Fri Jan 24 18:16:24 2014 -0800
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2012, 2012, 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.expression;
+
+import com.oracle.truffle.api.dsl.*;
+import com.oracle.truffle.sl.nodes.*;
+
+@SuppressWarnings("unused")
+public abstract class SLLogicalOrNode extends SLBinaryNode {
+
+    @ShortCircuit("rightNode")
+    public boolean needsRightNode(boolean left) {
+        return !left;
+    }
+
+    @ShortCircuit("rightNode")
+    public boolean needsRightNode(Object left) {
+        return left instanceof Boolean && needsRightNode(((Boolean) left).booleanValue());
+    }
+
+    @Specialization
+    public boolean doBoolean(boolean left, boolean hasRight, boolean right) {
+        return left || right;
+    }
+
+    @Generic
+    public Object doGeneric(Object left, boolean hasRight, Object right) {
+        throw new RuntimeException("operation not defined for type " + left.getClass().getSimpleName());
+    }
+}