git.sur5r.net Git - cc65/blob - src/da65/comments.c

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                comments.c                                 */
   4 /*                                                                           */
   5 /*                        Comment management for da65                        */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 2006      Ullrich von Bassewitz                                       */
  10 /*               Römerstrasse 52                                             */
  11 /*               D-70794 Filderstadt                                         */
  12 /* EMail:        uz@cc65.org                                                 */
  13 /*                                                                           */
  14 /*                                                                           */
  15 /* This software is provided 'as-is', without any expressed or implied       */
  16 /* warranty.  In no event will the authors be held liable for any damages    */
  17 /* arising from the use of this software.                                    */
  18 /*                                                                           */
  19 /* Permission is granted to anyone to use this software for any purpose,     */
  20 /* including commercial applications, and to alter it and redistribute it    */
  21 /* freely, subject to the following restrictions:                            */
  22 /*                                                                           */
  23 /* 1. The origin of this software must not be misrepresented; you must not   */
  24 /*    claim that you wrote the original software. If you use this software   */
  25 /*    in a product, an acknowledgment in the product documentation would be  */
  26 /*    appreciated but is not required.                                       */
  27 /* 2. Altered source versions must be plainly marked as such, and must not   */
  28 /*    be misrepresented as being the original software.                      */
  29 /* 3. This notice may not be removed or altered from any source              */
  30 /*    distribution.                                                          */
  31 /*                                                                           */
  32 /*****************************************************************************/
  33
  34
  35
  36 /* common */
  37 #include "xmalloc.h"
  38
  39 /* da65 */
  40 #include "attrtab.h"
  41 #include "comments.h"
  42 #include "error.h"
  43
  44
  45
  46 /*****************************************************************************/
  47 /*                                   Data                                    */
  48 /*****************************************************************************/
  49
  50
  51
  52 /* Comment table */
  53 static const char* CommentTab[0x10000];
  54
  55
  56
  57 /*****************************************************************************/
  58 /*                                   Code                                    */
  59 /*****************************************************************************/
  60
  61
  62
  63 void SetComment (unsigned Addr, const char* Comment)
  64 /* Set a comment for the given address */
  65 {
  66     /* Check the given address */
  67     AddrCheck (Addr);
  68
  69     /* If we do already have a comment, warn and ignore the new one */
  70     if (CommentTab[Addr]) {
  71         Warning ("Duplicate comment for address $%04X", Addr);
  72     } else {
  73         CommentTab[Addr] = xstrdup (Comment);
  74     }
  75 }
  76
  77
  78
  79 const char* GetComment (unsigned Addr)
  80 /* Return the comment for an address */
  81 {
  82     /* Check the given address */
  83     AddrCheck (Addr);
  84
  85     /* Return the label if any */
  86     return CommentTab[Addr];
  87 }