| /* |
| * 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; |
| |
| import com.sun.tools.corba.se.idl.constExpr.Expression; |
| |
| /** |
| * This is the symbol table entry for unions. |
| **/ |
| public class UnionEntry extends SymtabEntry |
| { |
| protected UnionEntry () |
| { |
| super (); |
| } // ctor |
| |
| protected UnionEntry (UnionEntry that) |
| { |
| super (that); |
| if (!name ().equals ("")) |
| { |
| module (module () + name ()); |
| name (""); |
| } |
| _branches = (Vector)that._branches.clone (); |
| _defaultBranch = that._defaultBranch; |
| _contained = that._contained; |
| } // ctor |
| |
| protected UnionEntry (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 UnionEntry (this); |
| } // clone |
| |
| /** Invoke the union 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) |
| { |
| unionGen.generate (symbolTable, this, stream); |
| } // generate |
| |
| /** Access the union generator. |
| @return an object which implements the UnionGen interface. |
| @see UnionGen */ |
| public Generator generator () |
| { |
| return unionGen; |
| } // generator |
| |
| public void addBranch (UnionBranch branch) |
| { |
| _branches.addElement (branch); |
| } // addBranch |
| |
| /** This is a vector of UnionBranch's. */ |
| public Vector branches () |
| { |
| return _branches; |
| } // branches |
| |
| /** This TypedefEntry describes the type and name for the default branch. |
| Like the entries in the branches vector, only the type and name fields |
| are pertinent. */ |
| public void defaultBranch (TypedefEntry branch) |
| { |
| _defaultBranch = branch; |
| } // defaultBranch |
| |
| /** This TypedefEntry describes the type and name for the default branch. |
| Like the entries in the branches vector, only the type and name fields |
| are pertinent. */ |
| public TypedefEntry defaultBranch () |
| { |
| return _defaultBranch; |
| } // defaultBranch |
| |
| public void addContained (SymtabEntry entry) |
| { |
| _contained.addElement (entry); |
| } // addContained |
| |
| /** This is a vector of SymtabEntry's. It itemizes any types which |
| this union contains. For example: |
| |
| <pre> |
| union A |
| switch (long) |
| { |
| case 0: long x; |
| case 1: |
| Struct B |
| { |
| long a; |
| long b; |
| } y; |
| } |
| </pre> |
| Struct B is contained within union A. */ |
| public Vector contained () |
| { |
| return _contained; |
| } // contained |
| |
| boolean has (Expression label) |
| { |
| Enumeration eBranches = _branches.elements (); |
| while (eBranches.hasMoreElements ()) |
| { |
| Enumeration eLabels = ((UnionBranch)eBranches.nextElement ()).labels.elements (); |
| while (eLabels.hasMoreElements ()) |
| { |
| Expression exp = (Expression)eLabels.nextElement (); |
| if (exp.equals (label) || exp.value ().equals (label.value ())) |
| return true; |
| } |
| } |
| return false; |
| } // has |
| |
| boolean has (TypedefEntry typedef) |
| { |
| Enumeration e = _branches.elements (); |
| while (e.hasMoreElements ()) |
| { |
| UnionBranch branch = (UnionBranch)e.nextElement (); |
| if (!branch.typedef.equals (typedef) && branch.typedef.name ().equals (typedef.name ())) |
| return true; |
| } |
| return false; |
| } // has |
| |
| /** A vector of UnionBranch's. */ |
| private Vector _branches = new Vector (); |
| private TypedefEntry _defaultBranch = null; |
| private Vector _contained = new Vector (); |
| |
| static UnionGen unionGen; |
| } // class UnionEntry |