Mercurial > hg > graal-compiler
diff graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/methods/locals/LocalFlipFlopStateNode.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/methods/locals/LocalFlipFlopStateNode.java Mon Jan 06 17:12:09 2014 +0000 @@ -0,0 +1,38 @@ +/* + * 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.methods.locals; + +import com.oracle.truffle.api.*; +import com.oracle.truffle.api.frame.*; + +public class LocalFlipFlopStateNode extends FlipFlopStateNode { + + private final FrameSlot frameSlot; + + public LocalFlipFlopStateNode(SourceSection sourceSection, FrameSlot frameSlot) { + super(sourceSection); + this.frameSlot = frameSlot; + } + + @Override + public boolean getState(VirtualFrame frame) { + try { + return frame.getBoolean(frameSlot); + } catch (FrameSlotTypeException e) { + throw new IllegalStateException(); + } + } + + @Override + public void setState(VirtualFrame frame, boolean state) { + frame.setBoolean(frameSlot, state); + } + +}