| /* |
| * Copyright (c) 2001, 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 sun.jvm.hotspot.debugger.cdbg.basic; |
| |
| import sun.jvm.hotspot.debugger.*; |
| import sun.jvm.hotspot.debugger.cdbg.*; |
| |
| public class BasicArrayType extends BasicType implements ArrayType { |
| private Type elementType; |
| private int length; |
| |
| public BasicArrayType(String name, Type elementType, int sizeInBytes) { |
| this(name, elementType, sizeInBytes, 0, 0); |
| } |
| |
| private BasicArrayType(String name, Type elementType, int sizeInBytes, int length, int cvAttributes) { |
| super(name, sizeInBytes, cvAttributes); |
| this.elementType = elementType; |
| this.length = length; |
| } |
| |
| public ArrayType asArray() { return this; } |
| |
| public Type getElementType() { return elementType; } |
| public int getLength() { return length; } |
| |
| Type resolveTypes(BasicCDebugInfoDataBase db, ResolveListener listener) { |
| super.resolveTypes(db, listener); |
| elementType = db.resolveType(this, elementType, listener, "resolving array element type"); |
| // FIXME: need to figure out whether we have to align object sizes |
| // ourselves (see below) |
| if (!((BasicType) elementType).isLazy()) { |
| length = getSize() / elementType.getSize(); |
| } |
| return this; |
| } |
| |
| public void iterateObject(Address a, ObjectVisitor v, FieldIdentifier f) { |
| // What kind of iteration are we doing? If the end user requested |
| // iteration over a given array at a given address, the field |
| // identifier will be null, and we should descend and iterate |
| // through the array. Otherwise, we are already iterating through |
| // an object, and it is up to the end user whether to descend into |
| // the embedded object. |
| |
| if (f == null) { |
| v.enterType(this, a); |
| for (int i = 0; i < getLength(); i++) { |
| // FIXME: need to figure out whether we need to align object |
| // sizes ourselves (i.e., round up to doubleword size) or |
| // whether that reported in the debug info is already aligned |
| // (in Microsoft's compiler, I think the struct alignment is |
| // an option, so it's possible that there is nothing we are |
| // allowed to do here) |
| ((BasicType) getElementType()).iterateObject(a.addOffsetTo(i * getElementType().getSize()), |
| v, |
| new BasicIndexableFieldIdentifier(getElementType(), i)); |
| } |
| v.exitType(); |
| } else { |
| v.doArray(f, a); |
| } |
| } |
| |
| protected Type createCVVariant(int cvAttributes) { |
| return new BasicArrayType(getName(), getElementType(), getSize(), getLength(), cvAttributes); |
| } |
| |
| public void visit(TypeVisitor v) { |
| v.doArrayType(this); |
| } |
| } |