git.sur5r.net Git - cc65/blob - src/ca65/fragment.h

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                fragment.h                                 */
   4 /*                                                                           */
   5 /*                Data fragments for the ca65 crossassembler                 */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 1998-2011, Ullrich von Bassewitz                                      */
  10 /*                Roemerstrasse 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 #ifndef FRAGMENT_H
  37 #define FRAGMENT_H
  38
  39
  40
  41 /* common */
  42 #include "exprdefs.h"
  43 #include "coll.h"
  44
  45 /* ca65 */
  46 #include "lineinfo.h"
  47
  48
  49
  50 /*****************************************************************************/
  51 /*                              struct Fragment                              */
  52 /*****************************************************************************/
  53
  54
  55
  56 typedef struct Fragment Fragment;
  57 struct Fragment {
  58     Fragment*           Next;       /* Pointer to next fragment in segment */
  59     Fragment*           LineList;   /* List of fragments for one src line */
  60     Collection          LI;         /* Line info for this fragment */
  61     unsigned short      Len;        /* Length for this fragment */
  62     unsigned char       Type;       /* Fragment type */
  63     union {
  64         unsigned char   Data[sizeof (ExprNode*)];       /* Literal values */
  65         ExprNode*       Expr;                           /* Expression */
  66     } V;
  67 };
  68
  69
  70
  71 /*****************************************************************************/
  72 /*                                   Code                                    */
  73 /*****************************************************************************/
  74
  75
  76
  77 Fragment* NewFragment (unsigned char Type, unsigned short Len);
  78 /* Create, initialize and return a new fragment. The fragment will be inserted
  79  * into the current segment.
  80  */
  81
  82
  83
  84 /* End of fragment.h */
  85 #endif
  86
  87
  88
  89