Mercurial > hg > graal-jvmci-8
diff graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/control/OrNode.java @ 13514:0fbee3eb71f0
Ruby: import project.
author | Chris Seaton <chris.seaton@oracle.com> |
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date | Mon, 06 Jan 2014 17:12:09 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/control/OrNode.java Mon Jan 06 17:12:09 2014 +0000 @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This + * code is released under a tri EPL/GPL/LGPL license. You can use it, + * redistribute it and/or modify it under the terms of the: + * + * Eclipse Public License version 1.0 + * GNU General Public License version 2 + * GNU Lesser General Public License version 2.1 + */ +package com.oracle.truffle.ruby.nodes.control; + +import com.oracle.truffle.api.*; +import com.oracle.truffle.api.dsl.*; +import com.oracle.truffle.api.nodes.*; +import com.oracle.truffle.ruby.nodes.*; +import com.oracle.truffle.ruby.runtime.*; +import com.oracle.truffle.ruby.runtime.core.*; + +/** + * Represents a Ruby {@code or} or {@code ||} expression. + */ +@NodeInfo(shortName = "or") +@NodeChildren({@NodeChild("left"), @NodeChild("right")}) +public abstract class OrNode extends RubyNode { + + public OrNode(RubyContext context, SourceSection sourceSection) { + super(context, sourceSection); + } + + public OrNode(OrNode copy) { + super(copy.getContext(), copy.getSourceSection()); + } + + @ShortCircuit("right") + public boolean needsRightNode(Object a) { + return !GeneralConversions.toBoolean(a); + } + + @ShortCircuit("right") + public boolean needsRightNode(boolean a) { + return !a; + } + + @Specialization + public Object doBoolean(boolean a, boolean hasB, Object b) { + return hasB ? b : a; + } + + @Generic + public Object doGeneric(Object a, boolean hasB, Object b) { + return hasB ? b : a; + } + +}