Mercurial > hg > truffle
diff graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/LessThanNode.java @ 7503:31da1716950f
Updated truffle-sl for the changed operation code generation.
author | Christian Humer <christian.humer@gmail.com> |
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date | Fri, 18 Jan 2013 13:29:14 +0100 |
parents | |
children | 33e08aca06ff |
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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/LessThanNode.java Fri Jan 18 13:29:14 2013 +0100 @@ -0,0 +1,59 @@ +/* + * 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; + +import java.math.*; + +import com.oracle.truffle.api.codegen.*; + +public abstract class LessThanNode extends BinaryNode { + + public LessThanNode(TypedNode left, TypedNode right) { + super(left, right); + } + + public LessThanNode(LessThanNode node) { + this(node.leftNode, node.rightNode); + } + + @Specialization + public boolean doInteger(int left, int right) { + return left < right; + } + + @Specialization + public boolean doBigInteger(BigInteger left, BigInteger right) { + return left.compareTo(right) < 0; + } + + @Specialization + @SpecializationGuard(methodName = "isString") + public boolean doString(Object left, Object right) { + return left.toString().compareTo(right.toString()) < 0; + } + + @Generic + public boolean doGeneric(Object left, Object right) { + throw new RuntimeException("comparison not defined for types " + left.getClass().getSimpleName() + ", " + right.getClass().getSimpleName()); + } +}