Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.ruby.runtime/src/com/oracle/truffle/ruby/runtime/objects/FloatStorageLocation.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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/* * 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.runtime.objects; import com.oracle.truffle.api.*; import com.oracle.truffle.api.nodes.*; import com.oracle.truffle.ruby.runtime.*; /** * A storage location for Floats. */ public class FloatStorageLocation extends PrimitiveStorageLocation { public FloatStorageLocation(ObjectLayout objectLayout, long offset, int mask) { super(objectLayout, offset, mask); } @Override public Object read(RubyBasicObject object, boolean condition) { try { return readFloat(object, condition); } catch (UnexpectedResultException e) { return e.getResult(); } } public double readFloat(RubyBasicObject object, boolean condition) throws UnexpectedResultException { if (isSet(object)) { return CompilerDirectives.unsafeGetDouble(object, offset, condition, this); } else { throw new UnexpectedResultException(NilPlaceholder.INSTANCE); } } @Override public void write(RubyBasicObject object, Object value) throws GeneralizeStorageLocationException { if (value instanceof Double) { writeFloat(object, (double) value); } else if (value instanceof NilPlaceholder) { markAsUnset(object); } else { throw new GeneralizeStorageLocationException(); } } public void writeFloat(RubyBasicObject object, Double value) { CompilerDirectives.unsafePutDouble(object, offset, value, null); markAsSet(object); } @Override public Class getStoredClass() { return Double.class; } }