git.sur5r.net Git - cc65/blob - src/cc65/loop.h

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                  loop.h                                   */
   4 /*                                                                           */
   5 /*                              Loop management                              */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 1998-2004 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 #ifndef LOOP_H
  37 #define LOOP_H
  38
  39
  40
  41 /*****************************************************************************/
  42 /*                                   data                                    */
  43 /*****************************************************************************/
  44
  45
  46
  47 typedef struct LoopDesc LoopDesc;
  48 struct LoopDesc {
  49     LoopDesc*   Next;
  50     unsigned    StackPtr;
  51     unsigned    BreakLabel;
  52     unsigned    ContinueLabel;
  53 };
  54
  55
  56
  57 /*****************************************************************************/
  58 /*                                   code                                    */
  59 /*****************************************************************************/
  60
  61
  62
  63 LoopDesc* AddLoop (unsigned BreakLabel, unsigned ContinueLabel);
  64 /* Create and add a new loop descriptor. */
  65
  66 LoopDesc* CurrentLoop (void);
  67 /* Return a pointer to the descriptor of the current loop */
  68
  69 void DelLoop (void);
  70 /* Remove the current loop */
  71
  72
  73
  74 /* End of loop.h */
  75
  76 #endif
  77
  78
  79