SquirrelJME/SquirrelJME

// -*- Mode: Java; indent-tabs-mode: t; tab-width: 4 -*-
// ---------------------------------------------------------------------------
// 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.jvm.aot;

import java.util.Deque;

/**
 * This class contains settings for compilation.
 *
 * @since 2020/11/22
 */
public final class CompileSettings
{
    /** Is this a boot loader? */
    public final boolean isBootLoader;
    
    /**
     * Initializes the compilation settings.
     * 
     * @param __isBootLoader Is this a boot loader?
     * @since 2020/11/23
     */
    public CompileSettings(boolean __isBootLoader)
    {
        this.isBootLoader = __isBootLoader;
    }
    
    /**
     * Parses compile settings for the compilation step.
     * 
     * @param __args The arguments to parse.
     * @return The resultant settings.
     * @throws NullPointerException On null arguments.
     * @since 2020/11/23
     */
    public static CompileSettings parse(Deque<String> __args)
        throws NullPointerException
    {
        if (__args == null)
            throw new NullPointerException("NARG");
        
        // Possible settings
        boolean isBootLoader = false;
        
        // Parse settings
        while (!__args.isEmpty())
        {
            String arg = __args.removeFirst();
            
            switch (arg)
            {
                    // Is this a bootloader?
                case "-boot":
                    isBootLoader = true;
                    break;
                
                    /* {@squirreljme.error AE06 Unknown compilation setting.
                    (The argument)} */
                default:
                    throw new IllegalArgumentException("AE06 " + arg);
            }
        }
        
        // Initialize final settings
        return new CompileSettings(isBootLoader);
    }
}