src/share/classes/sun/rmi/rmic/iiop/SpecialClassType.java

changeset 1
55540e827aef
child 158
91006f157c46
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/classes/sun/rmi/rmic/iiop/SpecialClassType.java	Sat Dec 01 00:00:00 2007 +0000
     1.3 @@ -0,0 +1,171 @@
     1.4 +/*
     1.5 + * Portions Copyright 1998-2007 Sun Microsystems, Inc.  All Rights Reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.  Sun designates this
    1.11 + * particular file as subject to the "Classpath" exception as provided
    1.12 + * by Sun in the LICENSE file that accompanied this code.
    1.13 + *
    1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.16 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.17 + * version 2 for more details (a copy is included in the LICENSE file that
    1.18 + * accompanied this code).
    1.19 + *
    1.20 + * You should have received a copy of the GNU General Public License version
    1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.23 + *
    1.24 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    1.25 + * CA 95054 USA or visit www.sun.com if you need additional information or
    1.26 + * have any questions.
    1.27 + */
    1.28 +
    1.29 +/*
    1.30 + * Licensed Materials - Property of IBM
    1.31 + * RMI-IIOP v1.0
    1.32 + * Copyright IBM Corp. 1998 1999  All Rights Reserved
    1.33 + *
    1.34 + */
    1.35 +
    1.36 +package sun.rmi.rmic.iiop;
    1.37 +
    1.38 +import sun.tools.java.ClassNotFound;
    1.39 +import sun.tools.java.CompilerError;
    1.40 +import sun.tools.java.Identifier;
    1.41 +import sun.tools.java.ClassDefinition;
    1.42 +
    1.43 +/**
    1.44 + * SpecialClassType represents any one of the following types:
    1.45 + * <pre>
    1.46 + *    java.lang.Object
    1.47 + *    java.lang.String
    1.48 + * </pre>
    1.49 + * all of which are treated as special cases.
    1.50 + * <p>
    1.51 + * The static forSpecial(...) method must be used to obtain an instance, and
    1.52 + * will return null if the type is non-conforming.
    1.53 + *
    1.54 + * @author      Bryan Atsatt
    1.55 + */
    1.56 +public class SpecialClassType extends ClassType {
    1.57 +
    1.58 +    //_____________________________________________________________________
    1.59 +    // Public Interfaces
    1.60 +    //_____________________________________________________________________
    1.61 +
    1.62 +    /**
    1.63 +     * Create a SpecialClassType object for the given class.
    1.64 +     *
    1.65 +     * If the class is not a properly formed or if some other error occurs, the
    1.66 +     * return value will be null, and errors will have been reported to the
    1.67 +     * supplied BatchEnvironment.
    1.68 +     */
    1.69 +    public static SpecialClassType forSpecial (ClassDefinition theClass,
    1.70 +                                               ContextStack stack) {
    1.71 +        if (stack.anyErrors()) return null;
    1.72 +
    1.73 +        sun.tools.java.Type type = theClass.getType();
    1.74 +
    1.75 +        // Do we already have it?
    1.76 +
    1.77 +        String typeKey = type.toString() + stack.getContextCodeString();
    1.78 +
    1.79 +        Type existing = getType(typeKey,stack);
    1.80 +
    1.81 +        if (existing != null) {
    1.82 +
    1.83 +            if (!(existing instanceof SpecialClassType)) return null; // False hit.
    1.84 +
    1.85 +            // Yep, so return it...
    1.86 +
    1.87 +            return (SpecialClassType) existing;
    1.88 +        }
    1.89 +
    1.90 +        // Is it a special type?
    1.91 +
    1.92 +        int typeCode = getTypeCode(type,theClass,stack);
    1.93 +
    1.94 +        if (typeCode != TYPE_NONE) {
    1.95 +
    1.96 +            // Yes...
    1.97 +
    1.98 +            SpecialClassType result = new SpecialClassType(stack,typeCode,theClass);
    1.99 +            putType(typeKey,result,stack);
   1.100 +            stack.push(result);
   1.101 +            stack.pop(true);
   1.102 +            return result;
   1.103 +
   1.104 +        } else {
   1.105 +
   1.106 +            return null;
   1.107 +        }
   1.108 +    }
   1.109 +
   1.110 +    /**
   1.111 +     * Return a string describing this type.
   1.112 +     */
   1.113 +    public String getTypeDescription () {
   1.114 +        return "Special class";
   1.115 +    }
   1.116 +
   1.117 +    //_____________________________________________________________________
   1.118 +    // Subclass/Internal Interfaces
   1.119 +    //_____________________________________________________________________
   1.120 +
   1.121 +    /**
   1.122 +     * Create an SpecialClassType instance for the given class.
   1.123 +     */
   1.124 +    private SpecialClassType(ContextStack stack, int typeCode,
   1.125 +                             ClassDefinition theClass) {
   1.126 +        super(stack,typeCode | TM_SPECIAL_CLASS | TM_CLASS | TM_COMPOUND, theClass);
   1.127 +        Identifier id = theClass.getName();
   1.128 +        String idlName = null;
   1.129 +        String[] idlModuleName = null;
   1.130 +        boolean constant = stack.size() > 0 && stack.getContext().isConstant();
   1.131 +
   1.132 +        // Set names...
   1.133 +
   1.134 +        switch (typeCode) {
   1.135 +        case TYPE_STRING:   {
   1.136 +            idlName = IDLNames.getTypeName(typeCode,constant);
   1.137 +            if (!constant) {
   1.138 +                idlModuleName = IDL_CORBA_MODULE;
   1.139 +            }
   1.140 +            break;
   1.141 +        }
   1.142 +
   1.143 +        case TYPE_ANY:   {
   1.144 +            idlName = IDL_JAVA_LANG_OBJECT;
   1.145 +            idlModuleName = IDL_JAVA_LANG_MODULE;
   1.146 +            break;
   1.147 +        }
   1.148 +        }
   1.149 +
   1.150 +        setNames(id,idlModuleName,idlName);
   1.151 +
   1.152 +        // Init parents...
   1.153 +
   1.154 +        if (!initParents(stack)) {
   1.155 +
   1.156 +            // Should not be possible!
   1.157 +
   1.158 +            throw new CompilerError("SpecialClassType found invalid parent.");
   1.159 +        }
   1.160 +
   1.161 +        // Initialize CompoundType...
   1.162 +
   1.163 +        initialize(null,null,null,stack,false);
   1.164 +    }
   1.165 +
   1.166 +    private static int getTypeCode(sun.tools.java.Type type, ClassDefinition theClass, ContextStack stack) {
   1.167 +        if (type.isType(TC_CLASS)) {
   1.168 +            Identifier id = type.getClassName();
   1.169 +            if (id == idJavaLangString) return TYPE_STRING;
   1.170 +            if (id == idJavaLangObject) return TYPE_ANY;
   1.171 +        }
   1.172 +        return TYPE_NONE;
   1.173 +    }
   1.174 +}

mercurial