SquirrelJME/SquirrelJME

// -*- Mode: Java; indent-tabs-mode: t; tab-width: 4 -*-
// ---------------------------------------------------------------------------
// Multi-Phasic Applications: SquirrelJME
//     Copyright (C) Stephanie Gawroriski <xer@multiphasicapps.net>
// ---------------------------------------------------------------------------
// SquirrelJME is under the Mozilla Public License Version 2.0.
// See license.mkd for licensing and copyright information.
// ---------------------------------------------------------------------------

package cc.squirreljme.debugger;

import cc.squirreljme.runtime.cldc.debug.Debugging;
import net.multiphasicapps.classfile.ClassName;

/**
 * Views remote classes.
 *
 * @since 2024/01/22
 */
public class RemoteClassViewer
    implements ClassViewer
{
    /** The class information. */
    protected final InfoClass classInfo;
    
    /** The debugger state. */
    protected final DebuggerState state;
    
    /** Methods within the method. */
    private volatile MethodViewer[] _methods;
    
    /**
     * Initializes the remote class viewer.
     *
     * @param __state The state for communication and otherwise.
     * @param __classInfo The class to view.
     * @throws NullPointerException On null arguments.
     * @since 2024/01/22
     */
    public RemoteClassViewer(DebuggerState __state, InfoClass __classInfo)
        throws NullPointerException
    {
        if (__classInfo == null)
            throw new NullPointerException("NARG");
        
        this.state = __state;
        this.classInfo = __classInfo;
    }
    
    /**
     * {@inheritDoc}
     * @since 2024/01/22
     */
    @Override
    public MethodViewer[] methods()
    {
        // Are the methods already known?
        MethodViewer[] methods = this._methods;
        if (methods != null)
            return methods.clone();
        
        // Get the methods that the class has
        InfoMethod[] infos = this.classInfo.methods();
        int count = (infos == null ? 0 : infos.length);
        
        // Wrap all the methods in remote viewers
        DebuggerState state = this.state;
        methods = new MethodViewer[count];
        for (int i = 0; i < count; i++)
            methods[i] = new RemoteMethodViewer(state, infos[i]);
        
        // Cache for later
        this._methods = methods;
        
        // Return all of our known classes
        return methods.clone();
    }
    
    /**
     * {@inheritDoc}
     * @since 2024/01/22
     */
    @Override
    public ClassName thisName()
    {
        return this.classInfo.thisName();
    }
}