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.c;

/**
 * This represents a directive within the C preprocessor.
 *
 * @since 2023/06/04
 */
public enum CPPDirective
{
    /** Define macro. */
    DEFINE("define"),
    
    /** Else if. */
    ELIF("elif"),
    
    /** Else. */
    ELSE("else"),
    
    /** End if. */
    ENDIF("endif"),
    
    /** Check something. */
    IF("if"),
    
    /** Include a file. */
    INCLUDE("include"),
    
    /** Undefine a macro. */
    UNDEF("undef"),
    
    /* End. */
    ;
    
    /** The directive used. */
    public final String directive;
    
    /**
     * Initializes the CPP Directive.
     * 
     * @param __directive The directive to define.
     * @throws NullPointerException On null arguments.
     * @since 2023/06/04
     */
    CPPDirective(String __directive)
        throws NullPointerException
    {
        if (__directive == null)
            throw new NullPointerException("NARG");
        
        this.directive = __directive;
    }
}