Mercurial > hg > truffle
view truffle/com.oracle.truffle.object/src/com/oracle/truffle/object/LayoutStrategy.java @ 22288:47172a9b40ac
Object model refactoring, add Shape#defineProperty
author | Andreas Woess <andreas.woess@oracle.com> |
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date | Wed, 07 Oct 2015 19:15:14 +0200 |
parents | dc83cc1f94f2 |
children | cf203af4610c |
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/* * Copyright (c) 2014, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.truffle.object; import com.oracle.truffle.api.object.DynamicObject; import com.oracle.truffle.api.object.Layout; import com.oracle.truffle.api.object.Location; import com.oracle.truffle.api.object.Property; import com.oracle.truffle.api.object.Shape; import com.oracle.truffle.object.ShapeImpl.BaseAllocator; public abstract class LayoutStrategy { public abstract boolean updateShape(DynamicObject object); public abstract Shape ensureValid(Shape newShape); public abstract Shape ensureSpace(Shape shape, Location location); public abstract boolean isAutoExtArray(); public abstract BaseAllocator createAllocator(Layout shape); public abstract BaseAllocator createAllocator(Shape shape); protected abstract ShapeAndProperty generalizeProperty(Property oldProperty, Object value, Shape currentShape, Shape nextShape); public static class ShapeAndProperty { private final Shape shape; private final Property property; public ShapeAndProperty(Shape shape, Property property) { this.shape = shape; this.property = property; } public Shape getShape() { return shape; } public Property getProperty() { return property; } } }