Mercurial > hg > graal-compiler
diff graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/cast/SplatCastNode.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/cast/SplatCastNode.java Mon Jan 06 17:12:09 2014 +0000 @@ -0,0 +1,56 @@ +/* + * 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.cast; + +import com.oracle.truffle.api.*; +import com.oracle.truffle.api.dsl.*; +import com.oracle.truffle.api.frame.*; +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.array.*; + +/** + * Splat as used to cast a value to an array if it isn't already, as in {@code *value}. + */ +@NodeInfo(shortName = "cast-splat") +@NodeChild("child") +public abstract class SplatCastNode extends RubyNode { + + public SplatCastNode(RubyContext context, SourceSection sourceSection) { + super(context, sourceSection); + } + + public SplatCastNode(SplatCastNode prev) { + super(prev); + } + + protected abstract RubyNode getChild(); + + @Specialization + public RubyArray doArray(RubyArray array) { + return array; + } + + @Specialization + public RubyArray doObject(Object object) { + if (object instanceof RubyArray) { + return (RubyArray) object; + } else { + return RubyArray.specializedFromObject(getContext().getCoreLibrary().getArrayClass(), object); + } + } + + @Override + public void executeVoid(VirtualFrame frame) { + getChild().executeVoid(frame); + } + +}