Mercurial > hg > graal-jvmci-8
diff graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/expression/SLAddNode.java @ 13821:b16ec83edc73
Documentation and more refactoring of Simple Language
author | Christian Wimmer <christian.wimmer@oracle.com> |
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date | Wed, 29 Jan 2014 20:45:43 -0800 |
parents | 7c418666c6c9 |
children | 64c77f0577bb |
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--- a/graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/expression/SLAddNode.java Wed Jan 29 20:43:28 2014 -0800 +++ b/graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/expression/SLAddNode.java Wed Jan 29 20:45:43 2014 -0800 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2012, 2012, Oracle and/or its affiliates. All rights reserved. + * 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 @@ -26,27 +26,33 @@ import com.oracle.truffle.api.*; import com.oracle.truffle.api.dsl.*; +import com.oracle.truffle.api.nodes.*; import com.oracle.truffle.sl.nodes.*; +@NodeInfo(shortName = "+") public abstract class SLAddNode extends SLBinaryNode { @Specialization(rewriteOn = ArithmeticException.class) - long add(long left, long right) { + protected long add(long left, long right) { return ExactMath.addExact(left, right); } @Specialization - BigInteger add(BigInteger left, BigInteger right) { + protected BigInteger add(BigInteger left, BigInteger right) { return left.add(right); } @Specialization - String add(String left, String right) { + protected String add(String left, String right) { return left + right; } @Specialization(guards = "isString") - String add(Object left, Object right) { + protected String add(Object left, Object right) { return left.toString() + right.toString(); } + + protected boolean isString(Object a, Object b) { + return a instanceof String || b instanceof String; + } }