Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/control/EnsureNode.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.control; import com.oracle.truffle.api.*; import com.oracle.truffle.api.frame.*; import com.oracle.truffle.api.nodes.*; import com.oracle.truffle.ruby.nodes.*; import com.oracle.truffle.ruby.runtime.*; /** * Represents an ensure clause in exception handling. Represented separately to the try part. */ @NodeInfo(shortName = "ensure") public class EnsureNode extends RubyNode { @Child protected RubyNode tryPart; @Child protected RubyNode ensurePart; public EnsureNode(RubyContext context, SourceSection sourceSection, RubyNode tryPart, RubyNode ensurePart) { super(context, sourceSection); this.tryPart = adoptChild(tryPart); this.ensurePart = adoptChild(ensurePart); } @Override public Object execute(VirtualFrame frame) { try { return tryPart.execute(frame); } finally { ensurePart.executeVoid(frame); } } @Override public void executeVoid(VirtualFrame frame) { try { tryPart.executeVoid(frame); } finally { ensurePart.executeVoid(frame); } } }