Mercurial > hg > graal-compiler
diff agent/src/share/classes/sun/jvm/hotspot/debugger/cdbg/ObjectVisitor.java @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
---|---|
date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/agent/src/share/classes/sun/jvm/hotspot/debugger/cdbg/ObjectVisitor.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,88 @@ +/* + * Copyright 2001 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +package sun.jvm.hotspot.debugger.cdbg; + +import sun.jvm.hotspot.debugger.*; + +/** Provides uniform visitation to primitive and compound objects. + Typically one will have an Address of an "object" (in the + idealistic C++ definition, including "primitive objects" like + ints) and a Type for that object. This visitor interface allows + one to either get the value of the object (if of primitive type) + or iterate through its fields, getting the value of each, in a + consistent fashion. Also supports iteration through arrays of + known length. */ + +public interface ObjectVisitor { + /** This is called before beginning iterating through either the + fields declared in this compound type (not its superclasses) or + the elements of this array */ + public void enterType(Type type, Address objectAddress); + + /** This is called after finishing iterating through this compound + type */ + public void exitType(); + + /** Primitive field or object of integer bitfield + type. FieldIdentifier is null if not a field of an enclosing + object. */ + public void doBit(FieldIdentifier f, long val); + + /** Primitive field or object of integer type. FieldIdentifier is + null if not a field of an enclosing object. */ + public void doInt(FieldIdentifier f, long val); + + /** Primitive field or object of enumerated type type. + FieldIdentifier is null if not a field of an enclosing + object. */ + public void doEnum(FieldIdentifier f, long val, String enumName); + + /** Primitive field or object of single-precision floating-point + type. FieldIdentifier is null if not a field of an enclosing + object. */ + public void doFloat(FieldIdentifier f, float val); + + /** Primitive field or object of double-precision floating-point + type. FieldIdentifier is null if not a field of an enclosing + object. */ + public void doDouble(FieldIdentifier f, double val); + + /** Primitive field or object of pointer type. FieldIdentifier is + null if not a field of an enclosing object. */ + public void doPointer(FieldIdentifier f, Address val); + + /** Primitive field or object of array type. FieldIdentifier is null + if not a field of an enclosing object. */ + public void doArray(FieldIdentifier f, Address val); + + /** Primitive field or object of (C++) reference + type. FieldIdentifier is null if not a field of an enclosing + object. */ + public void doRef(FieldIdentifier f, Address val); + + /** Identifies embedded objects in compound objects. FieldIdentifier + is null if not a field of an enclosing object. */ + public void doCompound(FieldIdentifier f, Address addressOfEmbeddedCompoundObject); +}