2.11BSD#431 - /usr/src/new/PORT/B/src/bint/b2exp.h

   1: /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
   2: 
   3: /*
   4:   $Header: b2exp.h,v 1.4 85/08/22 16:42:25 timo Exp $
   5: */
   6: 
   7: /* General definitions for parsing expressions */
   8: 
   9: typedef struct { bool parsed, prop, trim;
  10:          intlet state, level, field;
  11:          value comp;
  12:         } expadm;
  13: 
  14: typedef struct { bool prop, trim;
  15:          intlet level, field;
  16:          parsetree node;
  17:         } unpadm;
  18: 
  19: #define Parsed(adm) ((adm)->parsed)
  20: #define Prop(adm)       ((adm)->prop)
  21: #define Trim(adm)   ((adm)->trim)
  22: #define State(adm)  ((adm)->state)
  23: #define Level(adm)  ((adm)->level)
  24: #define N_fld(adm)  ((adm)->field)
  25: #define Unp_comp(adm)   ((adm)->comp)
  26: #define Node(adm)   ((adm)->node)
  27: 
  28: /* ********************************************************************	*/
  29: /* Levels:								*/
  30: /*									*/
  31: #define L_bottom    0
  32: #define L_term      1 /* plus, minus, join */
  33: #define L_factor    2 /* times, over */
  34: #define L_power     3 /* power */
  35: #define L_number    4 /* number  */
  36: #define L_expr      5 /* tag, repeat_text, center, (left|right)_adjust */
  37: 
  38: #define Prio \
  39:     MESS(1900, "cannot determine priorities; use ( and ) to resolve")
  40: 
  41: /* ******************************************************************** */
  42: /* States:								*/
  43: /*									*/
  44: #define S_t 1
  45: #define S_tt    2
  46: #define S_else  3
  47: 
  48: /* ******************************************************************** */
  49: 
  50: bool b_about();
  51: bool b_numtor();
  52: bool b_denomtor();
  53: bool b_plus();
  54: bool b_minus();
  55: bool b_number();
  56: bool b_behead();
  57: bool b_curtail();
  58: #ifdef NOT_USED
  59: bool b_times();
  60: bool b_over();
  61: bool b_power();
  62: bool b_join();
  63: bool b_reptext();
  64: bool b_center();
  65: bool b_leftadj();
  66: bool b_rightadj();
  67: #endif

Defined macros

Usage of this include