/*****************************************************************************/
/*                                                                           */
/*                                comments.c                                 */
/*                                                                           */
/*                        Comment management for da65                        */
/*                                                                           */
/*                                                                           */
/*                                                                           */
/* (C) 2006      Ullrich von Bassewitz                                       */
/*               Römerstrasse 52                                             */
/*               D-70794 Filderstadt                                         */
/* EMail:        uz@cc65.org                                                 */
/*                                                                           */
/*                                                                           */
/* This software is provided 'as-is', without any expressed or implied       */
/* warranty.  In no event will the authors be held liable for any damages    */
/* arising from the use of this software.                                    */
/*                                                                           */
/* Permission is granted to anyone to use this software for any purpose,     */
/* including commercial applications, and to alter it and redistribute it    */
/* freely, subject to the following restrictions:                            */
/*                                                                           */
/* 1. The origin of this software must not be misrepresented; you must not   */
/*    claim that you wrote the original software. If you use this software   */
/*    in a product, an acknowledgment in the product documentation would be  */
/*    appreciated but is not required.                                       */
/* 2. Altered source versions must be plainly marked as such, and must not   */
/*    be misrepresented as being the original software.                      */
/* 3. This notice may not be removed or altered from any source              */
/*    distribution.                                                          */
/*                                                                           */
/*****************************************************************************/



/* common */
#include "xmalloc.h"

/* da65 */        
#include "attrtab.h"
#include "comments.h"
#include "error.h"



/*****************************************************************************/
/*   			      	     Data				     */
/*****************************************************************************/



/* Comment table */
static const char* CommentTab[0x10000];



/*****************************************************************************/
/*   	      	    		     Code	    			     */
/*****************************************************************************/



void SetComment (unsigned Addr, const char* Comment)
/* Set a comment for the given address */
{
    /* Check the given address */
    AddrCheck (Addr);

    /* If we do already have a comment, warn and ignore the new one */
    if (CommentTab[Addr]) {
        Warning ("Duplicate comment for address $%04X", Addr);
    } else {
        CommentTab[Addr] = xstrdup (Comment);
    }
}



const char* GetComment (unsigned Addr)
/* Return the comment for an address */
{
    /* Check the given address */
    AddrCheck (Addr);

    /* Return the label if any */
    return CommentTab[Addr];
}



