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Annotation of 43BSD/contrib/B/src/bint/b2exp.h, revision 1.1

1.1     ! root        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

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