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Annotation of 40BSD/cmd/pi/yyseman.c, revision 1.1

1.1     ! root        1: /* Copyright (c) 1979 Regents of the University of California */
        !             2: 
        !             3: static char sccsid[] = "@(#)yyseman.c 1.1 8/27/80";
        !             4: 
        !             5: #include "whoami.h"
        !             6: #include "0.h"
        !             7: #include "yy.h"
        !             8: 
        !             9: /*
        !            10:  * Assign semantics to a generated token
        !            11:  *
        !            12:  * Most terminals have a semantic value the current
        !            13:  * input line.  If they are generated they are flagged
        !            14:  * by having this number negated.
        !            15:  *
        !            16:  * The terminals which have true semantics such
        !            17:  * as identifiers and strings are instead given
        !            18:  * semantic value NIL here - we do not attempt
        !            19:  * to do repair, e.g. by giving generated integers
        !            20:  * the value 1, etc.
        !            21:  */
        !            22: nullsem(ch)
        !            23:        int ch;
        !            24: {
        !            25: 
        !            26:        switch (ch) {
        !            27:                case YID:
        !            28:                case YINT:
        !            29:                case YNUMB:
        !            30:                case YBINT:
        !            31:                case YSTRING:
        !            32:                        return (NIL);
        !            33:                default:
        !            34:                        return (-yyeline);
        !            35:        }
        !            36: }

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