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

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                  test.h                                   */
   4 /*                                                                           */
   5 /*                        Test an expression and jump                        */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 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 TESTEXPR_H
  37 #define TESTEXPR_H
  38
  39
  40
  41 /*****************************************************************************/
  42 /*                                   Data                                    */
  43 /*****************************************************************************/
  44
  45
  46
  47 #define TESTEXPR_UNKNOWN        0       /* Result of expression unknown */
  48 #define TESTEXPR_TRUE           1       /* Expression yields true */
  49 #define TESTEXPR_FALSE          2       /* Expression yields false */
  50
  51
  52
  53 /*****************************************************************************/
  54 /*                                   Code                                    */
  55 /*****************************************************************************/
  56
  57
  58
  59 unsigned Test (unsigned Label, int Invert);
  60 /* Evaluate a boolean test expression and jump depending on the result of
  61  * the test and on Invert. The function returns one of the TESTEXPR_xx codes
  62  * defined above. If the jump is always true, a warning is output.
  63  */
  64
  65 unsigned TestInParens (unsigned Label, int Invert);
  66 /* Evaluate a boolean test expression in parenthesis and jump depending on
  67  * the result of the test * and on Invert. The function returns one of the
  68  * TESTEXPR_xx codes defined above. If the jump is always true, a warning is
  69  * output.
  70  */
  71
  72
  73
  74 /* End of testexpr.h */
  75
  76 #endif