1 /* 2 * Copyright (c) 1999, 2004, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 /* 26 * COMPONENT_NAME: idl.parser 27 * 28 * ORIGINS: 27 29 * 30 * Licensed Materials - Property of IBM 31 * 5639-D57 (C) COPYRIGHT International Business Machines Corp. 1997, 1999 32 * RMI-IIOP v1.0 33 * 34 */ 35 36 package com.sun.tools.corba.se.idl; 37 38 // NOTES: 39 40 import java.io.PrintWriter; 41 import java.util.Hashtable; 42 import java.util.Vector; 43 44 import com.sun.tools.corba.se.idl.constExpr.Expression; 45 46 /** 47 * This is the symbol table entry for sequences. 48 **/ 49 public class SequenceEntry extends SymtabEntry 50 { 51 protected SequenceEntry () 52 { 53 super (); 54 repositoryID (Util.emptyID); 55 } // ctor 56 57 protected SequenceEntry (SequenceEntry that) 58 { 59 super (that); 60 _maxSize = that._maxSize; 61 } // ctor 62 63 protected SequenceEntry (SymtabEntry that, IDLID clone) 64 { 65 super (that, clone); 66 if (!(that instanceof SequenceEntry)) 67 // If that is a SequenceEntry, then it is a container of this sequence, but it is not a module of this sequence. It's name doesn't belong in the module name. 68 if (module ().equals ("")) 69 module (name ()); 70 else if (!name ().equals ("")) 71 module (module () + "/" + name ()); 72 repositoryID (Util.emptyID); 73 } // ctor 74 75 public Object clone () 76 { 77 return new SequenceEntry (this); 78 } // clone 79 80 public boolean isReferencable() 81 { 82 // A sequence is referencable if its component 83 // type is. 84 return type().isReferencable() ; 85 } 86 87 public void isReferencable( boolean value ) 88 { 89 // NO-OP: this cannot be set for a sequence. 90 } 91 92 /** Invoke the sequence generator. 93 @param symbolTable the symbol table is a hash table whose key is 94 a fully qualified type name and whose value is a SymtabEntry or 95 a subclass of SymtabEntry. 96 @param stream the stream to which the generator should sent its output. 97 @see SymtabEntry */ 98 public void generate (Hashtable symbolTable, PrintWriter stream) 99 { 100 sequenceGen.generate (symbolTable, this, stream); 101 } // generate 102 103 /** Access the sequence generator. 104 @return an object which implements the SequenceGen interface. 105 @see SequenceGen */ 106 public Generator generator () 107 { 108 return sequenceGen; 109 } // generator 110 111 /** the constant expression defining the maximum size of the sequence. 112 If it is null, then the sequence is unbounded. */ 113 public void maxSize (Expression expr) 114 { 115 _maxSize = expr; 116 } // maxSize 117 118 /** the constant expression defining the maximum size of the sequence. 119 If it is null, then the sequence is unbounded. */ 120 public Expression maxSize () 121 { 122 return _maxSize; 123 } // maxSize 124 125 /** Only sequences can be contained within sequences. */ 126 public void addContained (SymtabEntry entry) 127 { 128 _contained.addElement (entry); 129 } // addContained 130 131 /** Only sequences can be contained within sequences. */ 132 public Vector contained () 133 { 134 return _contained; 135 } // contained 136 137 static SequenceGen sequenceGen; 138 139 private Expression _maxSize = null; 140 private Vector _contained = new Vector (); 141 } // class SequenceEntry