Mercurial > hg > graal-jvmci-8
view graal/com.oracle.truffle.ruby.runtime/src/com/oracle/truffle/ruby/runtime/objects/ObjectStorageLocation.java @ 14094:3f27e57439ed
Truffle/Instrumentation: significant rearrangement (including moved class) and extension of the Truffle Instrumentation Framework. New interfaces include DebugContext (which can be attached to the ExecutionContext), through which access is provided to possibly language-specific (a) node instrumentation, (b) debug services manager, (c) notification when programs halt, (d) display of language values, and (e) display of variable identifiers.
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Mon, 03 Feb 2014 20:58:23 -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.runtime.objects; import com.oracle.truffle.ruby.runtime.*; /** * A storage location for any object. */ public class ObjectStorageLocation extends StorageLocation { private final int index; public ObjectStorageLocation(ObjectLayout objectLayout, int index) { super(objectLayout); this.index = index; } @Override public boolean isSet(RubyBasicObject object) { return object.objectStorageLocations[index] != null; } @Override public Object read(RubyBasicObject object, boolean condition) { final Object result = object.objectStorageLocations[index]; if (result == null) { return NilPlaceholder.INSTANCE; } else { return result; } } @Override public void write(RubyBasicObject object, Object value) { object.objectStorageLocations[index] = value; } @Override public Class getStoredClass() { return Object.class; } }