duke@1: /*
ohair@158:  * Copyright (c) 1998, 2007, Oracle and/or its affiliates. All rights reserved.
duke@1:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@1:  *
duke@1:  * This code is free software; you can redistribute it and/or modify it
duke@1:  * under the terms of the GNU General Public License version 2 only, as
ohair@158:  * published by the Free Software Foundation.  Oracle designates this
duke@1:  * particular file as subject to the "Classpath" exception as provided
ohair@158:  * by Oracle in the LICENSE file that accompanied this code.
duke@1:  *
duke@1:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@1:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@1:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@1:  * version 2 for more details (a copy is included in the LICENSE file that
duke@1:  * accompanied this code).
duke@1:  *
duke@1:  * You should have received a copy of the GNU General Public License version
duke@1:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@1:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@1:  *
ohair@158:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@158:  * or visit www.oracle.com if you need additional information or have any
ohair@158:  * questions.
duke@1:  */
duke@1: 
duke@1: /*
duke@1:  * Licensed Materials - Property of IBM
duke@1:  * RMI-IIOP v1.0
duke@1:  * Copyright IBM Corp. 1998 1999  All Rights Reserved
duke@1:  *
duke@1:  */
duke@1: 
duke@1: package sun.rmi.rmic.iiop;
duke@1: 
duke@1: import sun.tools.java.ClassNotFound;
duke@1: import sun.tools.java.CompilerError;
duke@1: import sun.tools.java.Identifier;
duke@1: import sun.tools.java.ClassDefinition;
duke@1: 
duke@1: /**
duke@1:  * SpecialClassType represents any one of the following types:
duke@1:  * <pre>
duke@1:  *    java.lang.Object
duke@1:  *    java.lang.String
duke@1:  * </pre>
duke@1:  * all of which are treated as special cases.
duke@1:  * <p>
duke@1:  * The static forSpecial(...) method must be used to obtain an instance, and
duke@1:  * will return null if the type is non-conforming.
duke@1:  *
duke@1:  * @author      Bryan Atsatt
duke@1:  */
duke@1: public class SpecialClassType extends ClassType {
duke@1: 
duke@1:     //_____________________________________________________________________
duke@1:     // Public Interfaces
duke@1:     //_____________________________________________________________________
duke@1: 
duke@1:     /**
duke@1:      * Create a SpecialClassType object for the given class.
duke@1:      *
duke@1:      * If the class is not a properly formed or if some other error occurs, the
duke@1:      * return value will be null, and errors will have been reported to the
duke@1:      * supplied BatchEnvironment.
duke@1:      */
duke@1:     public static SpecialClassType forSpecial (ClassDefinition theClass,
duke@1:                                                ContextStack stack) {
duke@1:         if (stack.anyErrors()) return null;
duke@1: 
duke@1:         sun.tools.java.Type type = theClass.getType();
duke@1: 
duke@1:         // Do we already have it?
duke@1: 
duke@1:         String typeKey = type.toString() + stack.getContextCodeString();
duke@1: 
duke@1:         Type existing = getType(typeKey,stack);
duke@1: 
duke@1:         if (existing != null) {
duke@1: 
duke@1:             if (!(existing instanceof SpecialClassType)) return null; // False hit.
duke@1: 
duke@1:             // Yep, so return it...
duke@1: 
duke@1:             return (SpecialClassType) existing;
duke@1:         }
duke@1: 
duke@1:         // Is it a special type?
duke@1: 
duke@1:         int typeCode = getTypeCode(type,theClass,stack);
duke@1: 
duke@1:         if (typeCode != TYPE_NONE) {
duke@1: 
duke@1:             // Yes...
duke@1: 
duke@1:             SpecialClassType result = new SpecialClassType(stack,typeCode,theClass);
duke@1:             putType(typeKey,result,stack);
duke@1:             stack.push(result);
duke@1:             stack.pop(true);
duke@1:             return result;
duke@1: 
duke@1:         } else {
duke@1: 
duke@1:             return null;
duke@1:         }
duke@1:     }
duke@1: 
duke@1:     /**
duke@1:      * Return a string describing this type.
duke@1:      */
duke@1:     public String getTypeDescription () {
duke@1:         return "Special class";
duke@1:     }
duke@1: 
duke@1:     //_____________________________________________________________________
duke@1:     // Subclass/Internal Interfaces
duke@1:     //_____________________________________________________________________
duke@1: 
duke@1:     /**
duke@1:      * Create an SpecialClassType instance for the given class.
duke@1:      */
duke@1:     private SpecialClassType(ContextStack stack, int typeCode,
duke@1:                              ClassDefinition theClass) {
duke@1:         super(stack,typeCode | TM_SPECIAL_CLASS | TM_CLASS | TM_COMPOUND, theClass);
duke@1:         Identifier id = theClass.getName();
duke@1:         String idlName = null;
duke@1:         String[] idlModuleName = null;
duke@1:         boolean constant = stack.size() > 0 && stack.getContext().isConstant();
duke@1: 
duke@1:         // Set names...
duke@1: 
duke@1:         switch (typeCode) {
duke@1:         case TYPE_STRING:   {
duke@1:             idlName = IDLNames.getTypeName(typeCode,constant);
duke@1:             if (!constant) {
duke@1:                 idlModuleName = IDL_CORBA_MODULE;
duke@1:             }
duke@1:             break;
duke@1:         }
duke@1: 
duke@1:         case TYPE_ANY:   {
duke@1:             idlName = IDL_JAVA_LANG_OBJECT;
duke@1:             idlModuleName = IDL_JAVA_LANG_MODULE;
duke@1:             break;
duke@1:         }
duke@1:         }
duke@1: 
duke@1:         setNames(id,idlModuleName,idlName);
duke@1: 
duke@1:         // Init parents...
duke@1: 
duke@1:         if (!initParents(stack)) {
duke@1: 
duke@1:             // Should not be possible!
duke@1: 
duke@1:             throw new CompilerError("SpecialClassType found invalid parent.");
duke@1:         }
duke@1: 
duke@1:         // Initialize CompoundType...
duke@1: 
duke@1:         initialize(null,null,null,stack,false);
duke@1:     }
duke@1: 
duke@1:     private static int getTypeCode(sun.tools.java.Type type, ClassDefinition theClass, ContextStack stack) {
duke@1:         if (type.isType(TC_CLASS)) {
duke@1:             Identifier id = type.getClassName();
duke@1:             if (id == idJavaLangString) return TYPE_STRING;
duke@1:             if (id == idJavaLangObject) return TYPE_ANY;
duke@1:         }
duke@1:         return TYPE_NONE;
duke@1:     }
duke@1: }