| /* |
| * 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.parser |
| * |
| * 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; |
| |
| // NOTES: |
| |
| import java.io.PrintWriter; |
| import java.util.Enumeration; |
| import java.util.Hashtable; |
| import java.util.Vector; |
| |
| /** |
| * This is the symbol table entry for forward declarations of interfaces. |
| **/ |
| public class ForwardEntry extends SymtabEntry implements InterfaceType |
| { |
| protected ForwardEntry () |
| { |
| super (); |
| } // ctor |
| |
| protected ForwardEntry (ForwardEntry that) |
| { |
| super (that); |
| } // ctor |
| |
| protected ForwardEntry (SymtabEntry that, IDLID clone) |
| { |
| super (that, clone); |
| if (module ().equals ("")) |
| module (name ()); |
| else if (!name ().equals ("")) |
| module (module () + "/" + name ()); |
| } // ctor |
| |
| public Object clone () |
| { |
| return new ForwardEntry (this); |
| } // clone |
| |
| /** Invoke the forward declaration generator. |
| @param symbolTable the symbol table is a hash table whose key is |
| a fully qualified type name and whose value is a SymtabEntry or |
| a subclass of SymtabEntry. |
| @param stream the stream to which the generator should sent its output. |
| @see SymtabEntry */ |
| public void generate (Hashtable symbolTable, PrintWriter stream) |
| { |
| forwardGen.generate (symbolTable, this, stream); |
| } // generate |
| |
| /** Access the interface generator. |
| @returns an object which implements the InterfaceGen interface. |
| @see InterfaceGen */ |
| public Generator generator () |
| { |
| return forwardGen; |
| } // generator |
| |
| static boolean replaceForwardDecl (InterfaceEntry interfaceEntry) |
| { |
| boolean result = true; |
| try |
| { |
| ForwardEntry forwardEntry = |
| (ForwardEntry)Parser.symbolTable.get (interfaceEntry.fullName ()); |
| if ( forwardEntry != null ) |
| { |
| result = (interfaceEntry.getInterfaceType () == |
| forwardEntry.getInterfaceType ()); |
| forwardEntry.type (interfaceEntry); |
| |
| // If this interface has been forward declared, there are probably |
| // other interfaces which derive from a ForwardEntry. Replace |
| // those ForwardEntry's with this InterfaceEntry: |
| interfaceEntry.forwardedDerivers = forwardEntry.derivers; |
| for ( Enumeration derivers = forwardEntry.derivers.elements(); |
| derivers.hasMoreElements(); ) |
| ((InterfaceEntry)derivers.nextElement ()).replaceForwardDecl (forwardEntry, interfaceEntry); |
| |
| // Replace the entry's whose types are forward declarations: |
| for ( Enumeration types = forwardEntry.types.elements (); |
| types.hasMoreElements (); ) |
| ((SymtabEntry)types.nextElement ()).type (interfaceEntry); |
| } |
| } |
| catch (Exception exception) |
| {} |
| return result; |
| } // replaceForwardDecl |
| |
| /////////////// |
| // Implement interface InterfaceType |
| |
| public int getInterfaceType () |
| { |
| return _type; |
| } |
| |
| public void setInterfaceType (int type) |
| { |
| _type = type; |
| } |
| |
| static ForwardGen forwardGen; |
| Vector derivers = new Vector (); // Vector of InterfaceEntry's. |
| Vector types = new Vector (); // Vector of the entry's whose type is a forward declaration. |
| private int _type = InterfaceType.NORMAL; // interface type |
| } // class ForwardEntry |