/*

 * Copyright (c) 1998, 2007, 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.

 */

/*

 * Licensed Materials - Property of IBM

 * RMI-IIOP v1.0

 * Copyright IBM Corp. 1998 1999  All Rights Reserved

 *

 */

package sun.rmi.rmic.iiop;

import sun.tools.java.CompilerError;

import sun.tools.java.Identifier;

import sun.tools.java.ClassDefinition;

/**

 * PrimitiveType wraps primitive types and void.

 * <p>

 * The static forPrimitive(...) method must be used to obtain an instance, and

 * will return null if the type is non-conforming.

 *

 * @author      Bryan Atsatt

 */

public class PrimitiveType extends Type {

    //_____________________________________________________________________

    // Public Interfaces

    //_____________________________________________________________________

    /**

     * Create a PrimitiveType object for the given type.

     *

     * If the type is not a properly formed or if some other error occurs, the

     * return value will be null, and errors will have been reported to the

     * supplied BatchEnvironment.

     */

    public static PrimitiveType forPrimitive(sun.tools.java.Type type,

                                             ContextStack stack) {

        if (stack.anyErrors()) return null;

        // Do we already have it?

        Type existing = getType(type,stack);

        if (existing != null) {

            if (!(existing instanceof PrimitiveType)) return null; // False hit.

            // Yep, so return it...

            return (PrimitiveType) existing;

        }

        int typeCode;

        switch (type.getTypeCode()) {

        case TC_VOID:           typeCode = TYPE_VOID; break;

        case TC_BOOLEAN:        typeCode = TYPE_BOOLEAN; break;

        case TC_BYTE:           typeCode = TYPE_BYTE; break;

        case TC_CHAR:           typeCode = TYPE_CHAR; break;

        case TC_SHORT:          typeCode = TYPE_SHORT; break;

        case TC_INT:            typeCode = TYPE_INT; break;

        case TC_LONG:           typeCode = TYPE_LONG; break;

        case TC_FLOAT:          typeCode = TYPE_FLOAT; break;

        case TC_DOUBLE:         typeCode = TYPE_DOUBLE; break;

        default: return null;

        }

        PrimitiveType it = new PrimitiveType(stack,typeCode);

        // Add it...

        putType(type,it,stack);

        // Do the stack thing in case tracing on...

        stack.push(it);

        stack.pop(true);

        return it;

    }

    /**

     * Return signature for this type  (e.g. com.acme.Dynamite

     * would return "com.acme.Dynamite", byte = "B")

     */

    public String getSignature() {

        switch (getTypeCode()) {

        case TYPE_VOID:         return SIG_VOID;

        case TYPE_BOOLEAN:      return SIG_BOOLEAN;

        case TYPE_BYTE:         return SIG_BYTE;

        case TYPE_CHAR:         return SIG_CHAR;

        case TYPE_SHORT:    return SIG_SHORT;

        case TYPE_INT:          return SIG_INT;

        case TYPE_LONG:         return SIG_LONG;

        case TYPE_FLOAT:        return SIG_FLOAT;

        case TYPE_DOUBLE:       return SIG_DOUBLE;

        default:            return null;

        }

    }

    /**

     * Return a string describing this type.

     */

    public String getTypeDescription () {

        return "Primitive";

    }

    /**

     * IDL_Naming

     * Return the fully qualified IDL name for this type (e.g. com.acme.Dynamite would

     * return "com::acme::Dynamite").

     * @param global If true, prepends "::".

     */

    public String getQualifiedIDLName(boolean global) {

        return super.getQualifiedIDLName(false);

    }

    //_____________________________________________________________________

    // Subclass/Internal Interfaces

    //_____________________________________________________________________

    /*

     * Load a Class instance. Return null if fail.

     */

    protected Class loadClass() {

        switch (getTypeCode()) {

        case TYPE_VOID:         return Null.class;

        case TYPE_BOOLEAN:      return boolean.class;

        case TYPE_BYTE:         return byte.class;

        case TYPE_CHAR:         return char.class;

        case TYPE_SHORT:        return short.class;

        case TYPE_INT:          return int.class;

        case TYPE_LONG:         return long.class;

        case TYPE_FLOAT:        return float.class;

        case TYPE_DOUBLE:       return double.class;

        default:            throw new CompilerError("Not a primitive type");

        }

    }

    /**

     * IDL_Naming

     * Create an PrimitiveType instance for the given class.

     */

    private PrimitiveType(ContextStack stack, int typeCode) {

        super(stack,typeCode | TM_PRIMITIVE);

        // Validate type and set names...

        String idlName = IDLNames.getTypeName(typeCode,false);

        Identifier id = null;

        switch (typeCode) {

        case TYPE_VOID:         id = idVoid; break;

        case TYPE_BOOLEAN:      id = idBoolean; break;

        case TYPE_BYTE:         id = idByte; break;

        case TYPE_CHAR:         id = idChar; break;

        case TYPE_SHORT:        id = idShort; break;

        case TYPE_INT:          id = idInt; break;

        case TYPE_LONG:         id = idLong; break;

        case TYPE_FLOAT:        id = idFloat; break;

        case TYPE_DOUBLE:       id = idDouble; break;

        default:            throw new CompilerError("Not a primitive type");

        }

        setNames(id,null,idlName);

        setRepositoryID();

    }

}

class Null {}