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Annotation of 43BSD/contrib/spms/include/pdtyp.h, revision 1.1

1.1     ! root        1: /* $Header$ */
        !             2: 
        !             3: /*
        !             4:  * Project directory type label definitions
        !             5:  *
        !             6:  * Author: Peter J. Nicklin
        !             7:  */
        !             8: 
        !             9: /*
        !            10:  * Boolean operation definitions
        !            11:  *
        !            12:  * Note: Definitions B_ID, B_NOT, B_AND, B_OR, B_LPAREN, B_RPAREN, B_EOS
        !            13:  * must not be changed because they are used as indices for the operator
        !            14:  * precedence parsing table. B_ID is also used as the default initializer
        !            15:  * for the type expression token table.
        !            16:  */
        !            17: #define B_ID           0               /* boolean expression identifier */
        !            18: #define B_NOT          1               /* boolean "not" operation */
        !            19: #define B_AND          2               /* boolean "and" operation */
        !            20: #define B_OR           3               /* boolean "or" operation */
        !            21: #define B_LPAREN       4               /* "(" */
        !            22: #define B_RPAREN       5               /* ")" */
        !            23: #define B_EOS          6               /* end of boolean string */
        !            24: #define B_WHITE                7               /* tab or blank */
        !            25: /*
        !            26:  * Project directory boolean type expression token struct
        !            27:  */
        !            28: typedef struct _postfix
        !            29:        {
        !            30:        short p_class;                  /* type of boolean expression token */
        !            31:        short p_sw;                     /* TRUE/FALSE switch */
        !            32:        char *p_id;                     /* boolean expression identifier */
        !            33:        char *p_label;                  /* project directory type label */
        !            34:        } POSTFIX;
        !            35: /*
        !            36:  * Project directory postfix type expression struct
        !            37:  */
        !            38: typedef struct _pdtyp
        !            39:        {
        !            40:        int pfxsize;                    /* size of postfix expression */
        !            41:        POSTFIX *pfx;                   /* base of postfix expression */
        !            42:        short *eval;                    /* base of expr evaluation stack */
        !            43:        } PDTYP;

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