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/*
 * #%L
 * The AIBench Shell Plugin
 * %%
 * Copyright (C) 2006 - 2017 Daniel Glez-Peña and Florentino Fdez-Riverola
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 * GNU General Lesser Public License for more details.
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 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * .
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/*****************************************************************************
 *                                                                           *
 *  This file is part of the BeanShell Java Scripting distribution.          *
 *  Documentation and updates may be found at http://www.beanshell.org/      *
 *                                                                           *
 *  Sun Public License Notice:                                               *
 *                                                                           *
 *  The contents of this file are subject to the Sun Public License Version  *
 *  1.0 (the "License"); you may not use this file except in compliance with *
 *  the License. A copy of the License is available at http://www.sun.com    * 
 *                                                                           *
 *  The Original Code is BeanShell. The Initial Developer of the Original    *
 *  Code is Pat Niemeyer. Portions created by Pat Niemeyer are Copyright     *
 *  (C) 2000.  All Rights Reserved.                                          *
 *                                                                           *
 *  GNU Public License Notice:                                               *
 *                                                                           *
 *  Alternatively, the contents of this file may be used under the terms of  *
 *  the GNU Lesser General Public License (the "LGPL"), in which case the    *
 *  provisions of LGPL are applicable instead of those above. If you wish to *
 *  allow use of your version of this file only under the  terms of the LGPL *
 *  and not to allow others to use your version of this file under the SPL,  *
 *  indicate your decision by deleting the provisions above and replace      *
 *  them with the notice and other provisions required by the LGPL.  If you  *
 *  do not delete the provisions above, a recipient may use your version of  *
 *  this file under either the SPL or the LGPL.                              *
 *                                                                           *
 *  Patrick Niemeyer ([email protected])                                           *
 *  Author of Learning Java, O'Reilly & Associates                           *
 *  http://www.pat.net/~pat/                                                 *
 *                                                                           *
 *****************************************************************************/

package bsh;

/**
 */
class BSHClassDeclaration extends SimpleNode {
        /**
         * The class instance initializer method name. A BshMethod by this name
         * is installed by the class delcaration into the static class body
         * namespace. It is called once to initialize the static members of the
         * class space and each time an instances is created to initialize the
         * instance members.
         */
        static final String CLASSINITNAME = "_bshClassInit";

        String name;

        Modifiers modifiers;

        int numInterfaces;

        boolean extend;

        boolean isInterface;

        BSHClassDeclaration(int id) {
                super(id);
        }

        /**
         */
        public Object eval(CallStack callstack, Interpreter interpreter) throws EvalError {
                int child = 0;

                // resolve superclass if any
                Class superClass = null;
                if (extend) {
                        BSHAmbiguousName superNode = (BSHAmbiguousName) jjtGetChild(child++);
                        superClass = superNode.toClass(callstack, interpreter);
                }

                // Get interfaces
                Class[] interfaces = new Class[numInterfaces];
                for (int i = 0; i < numInterfaces; i++) {
                        BSHAmbiguousName node = (BSHAmbiguousName) jjtGetChild(child++);
                        interfaces[i] = node.toClass(callstack, interpreter);
                        if (!interfaces[i].isInterface())
                                throw new EvalError("Type: " + node.text + " is not an interface!", this, callstack);
                }

                BSHBlock block;
                // Get the class body BSHBlock
                if (child < jjtGetNumChildren())
                        block = (BSHBlock) jjtGetChild(child);
                else
                        block = new BSHBlock(ParserTreeConstants.JJTBLOCK);

                try {
                        return ClassGenerator.getClassGenerator().generateClass(name, modifiers, interfaces, superClass, block, isInterface, callstack, interpreter);
                } catch (UtilEvalError e) {
                        throw e.toEvalError(this, callstack);
                }

        }

        public String toString() {
                return "ClassDeclaration: " + name;
        }
}