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view graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/objects/instancevariables/ReadFloatInstanceVariableNode.java @ 13853:f11d3d5248b5
Use UTF-8 encoding when compiling on the command line and for Eclipse projects
author | Christian Wimmer <christian.wimmer@oracle.com> |
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date | Fri, 31 Jan 2014 16:36:02 -0800 |
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.objects.instancevariables; 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.*; import com.oracle.truffle.ruby.runtime.objects.*; @NodeInfo(shortName = "@Float") public class ReadFloatInstanceVariableNode extends ReadSpecializedInstanceVariableNode { private final FloatStorageLocation storageLocation; public ReadFloatInstanceVariableNode(RubyContext context, SourceSection sourceSection, String name, RubyNode receiver, ObjectLayout objectLayout, FloatStorageLocation storageLocation) { super(context, sourceSection, name, receiver, objectLayout); this.storageLocation = storageLocation; } @Override public double executeFloat(VirtualFrame frame) throws UnexpectedResultException { final RubyBasicObject receiverObject = (RubyBasicObject) receiver.execute(frame); final ObjectLayout receiverLayout = receiverObject.getObjectLayout(); final boolean condition = receiverLayout == objectLayout; if (condition) { assert receiverLayout != null; return storageLocation.readFloat(receiverObject, condition); } else { CompilerDirectives.transferToInterpreter(); replace(respecialize(receiverObject)); throw new UnexpectedResultException(receiverObject.getInstanceVariable(name)); } } @Override public Object execute(VirtualFrame frame) { try { return executeFloat(frame); } catch (UnexpectedResultException e) { return e.getResult(); } } }