Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/cast/SplatCastNode.java @ 13792:9e7acc9cad8e
kill unused frame states when loop exits are removed
thanks to Gilles
author | Andreas Woess <andreas.woess@jku.at> |
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date | Tue, 28 Jan 2014 23:38:22 +0100 |
parents | 0fbee3eb71f0 |
children |
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/* * 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); } }