eval.h

   1 /* eval.h   header file for eval.c
   2  *
   3  * The Netwide Assembler is copyright (C) 1996 Simon Tatham and
   4  * Julian Hall. All rights reserved. The software is
   5  * redistributable under the licence given in the file "Licence"
   6  * distributed in the NASM archive.
   7  */
   8
   9 #ifndef NASM_EVAL_H
  10 #define NASM_EVAL_H
  11
  12 /*
  13  * Called once to tell the evaluator what output format is
  14  * providing segment-base details, and what function can be used to
  15  * look labels up.
  16  */
  17 void eval_global_info (struct ofmt *output, lfunc lookup_label);
  18
  19 /*
  20  * Called to set the information the evaluator needs: the value of
  21  * $ is set from `segment' and `offset' if `labelname' is NULL, and
  22  * otherwise the name of the current line's label is set from
  23  * `labelname' instead.
  24  */
  25 void eval_info (char *labelname, long segment, long offset);
  26
  27 /*
  28  * The evaluator itself.
  29  */
  30 expr *evaluate (scanner sc, void *scprivate, struct tokenval *tv,
  31                 int *fwref, int critical, efunc report_error,
  32                 struct eval_hints *hints);
  33
  34 #endif