| /* |
| * Copyright (c) 1999, 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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. |
| */ |
| /* |
| * COMPONENT_NAME: idl.toJava |
| * |
| * ORIGINS: 27 |
| * |
| * Licensed Materials - Property of IBM |
| * 5639-D57 (C) COPYRIGHT International Business Machines Corp. 1997, 1999 |
| * RMI-IIOP v1.0 |
| * |
| */ |
| |
| package com.sun.tools.corba.se.idl.toJavaPortable; |
| |
| // NOTES: |
| |
| import java.util.Enumeration; |
| import java.util.Hashtable; |
| |
| import com.sun.tools.corba.se.idl.*; |
| |
| // This class is passed through the JavaGenerator.HelperType methods. |
| // It is ONLY used when a recursive sequence is detected. ie. |
| // |
| // struct S1 |
| // { |
| // sequence <S1> others; |
| // }; |
| |
| /** |
| * |
| **/ |
| public class TCOffsets |
| { |
| /** |
| * Return -1 if the given name is not in the list of types. |
| **/ |
| public int offset (String name) |
| { |
| Integer value = (Integer)tcs.get (name); |
| return value == null ? -1 : value.intValue (); |
| } // offset |
| |
| /** |
| * |
| **/ |
| public void set (SymtabEntry entry) |
| { |
| if (entry == null) |
| offset += 8; |
| else |
| { |
| tcs.put (entry.fullName (), new Integer (offset)); |
| offset += 4; |
| String repID = Util.stripLeadingUnderscoresFromID (entry.repositoryID ().ID ()); |
| if (entry instanceof InterfaceEntry) |
| offset += alignStrLen (repID) + alignStrLen (entry.name ()); |
| else if (entry instanceof StructEntry) |
| offset += alignStrLen (repID) + alignStrLen (entry.name ()) + 4; |
| else if (entry instanceof UnionEntry) |
| offset += alignStrLen (repID) + alignStrLen (entry.name ()) + 12; |
| else if (entry instanceof EnumEntry) |
| { |
| offset += alignStrLen (repID) + alignStrLen (entry.name ()) + 4; |
| Enumeration e = ((EnumEntry)entry).elements ().elements (); |
| while (e.hasMoreElements ()) |
| offset += alignStrLen ((String)e.nextElement ()); |
| } |
| else if (entry instanceof StringEntry) |
| offset += 4; |
| else if (entry instanceof TypedefEntry) |
| { |
| offset += alignStrLen (repID) + alignStrLen (entry.name ()); |
| if (((TypedefEntry)entry).arrayInfo ().size () != 0) |
| offset += 8; |
| } |
| } |
| } // set |
| |
| /** |
| * Return the full length of the string type: 4 byte length, x bytes for |
| * string + 1 for the null terminator, align it so it ends on a 4-byte |
| * boundary. This method assumes the string starts at a 4-byte boundary |
| * since it doesn't do any leading alignment. |
| **/ |
| public int alignStrLen (String string) |
| { |
| int len = string.length () + 1; |
| int align = 4 - (len % 4); |
| if (align == 4) align = 0; |
| return len + align + 4; |
| } // alignStrLen |
| |
| /** |
| * |
| **/ |
| public void setMember (SymtabEntry entry) |
| { |
| offset += alignStrLen (entry.name ()); |
| if (((TypedefEntry)entry).arrayInfo ().size () != 0) |
| offset += 4; |
| } // setMember |
| |
| /** |
| * |
| **/ |
| public int currentOffset () |
| { |
| return offset; |
| } // currentOffset |
| |
| /** |
| * |
| **/ |
| public void bumpCurrentOffset (int value) |
| { |
| offset += value; |
| } // bumpCurrentOffset |
| |
| private Hashtable tcs = new Hashtable (); |
| private int offset = 0; |
| } // class TCOffsets |