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Annotation of 42BSD/bin/as/astoks.H, revision 1.1

1.1     ! root        1: /* Copyright (c) 1980 Regents of the University of California */
        !             2: /* "@(#)astoks.H 4.4 6/30/83" */
        !             3: /*
        !             4:  *     Message to the wary:  The order of tokens has been
        !             5:  *     hand optimized and assigned to that all switch statements
        !             6:  *     are implemented by a casel instruction on the VAX. 
        !             7:  *     there are 4 switch statements that have to be worried about:
        !             8:  *     l)      Per character switch in the character scanner (scan_dot_s)
        !             9:  *     2)      Per token switch in the buffer manager (yylex)
        !            10:  *     3)      Per keyword switch in the parser (yyparse)
        !            11:  *     4)      Leading token switch for argments to opcodes
        !            12:  *     
        !            13:  *     You can't just add new tokens willy-nilly; make sure that you
        !            14:  *     add them into the proper order!
        !            15:  */
        !            16: # define FIRSTTOKEN    AWKFIXESME
        !            17: 
        !            18: /*
        !            19:  *     Tokens between ISPACE and INSTn are used by the per keyword switch
        !            20:  */
        !            21: # define ISPACE        AWKFIXESME
        !            22: # define IBYTE                 AWKFIXESME
        !            23: # define IWORD                 AWKFIXESME
        !            24: # define IINT          AWKFIXESME
        !            25: # define ILONG                 AWKFIXESME
        !            26: # define IQUAD                 AWKFIXESME
        !            27: # define IOCTA                 AWKFIXESME
        !            28: # define IDATA                 AWKFIXESME
        !            29: # define IGLOBAL       AWKFIXESME
        !            30: # define ISET          AWKFIXESME
        !            31: # define ITEXT                 AWKFIXESME
        !            32: # define ICOMM                 AWKFIXESME
        !            33: # define ILCOMM        AWKFIXESME
        !            34: # define IFFLOAT       AWKFIXESME
        !            35: # define IDFLOAT       AWKFIXESME
        !            36: # define IGFLOAT       AWKFIXESME
        !            37: # define IHFLOAT       AWKFIXESME
        !            38: # define IORG          AWKFIXESME
        !            39: # define IASCII        AWKFIXESME
        !            40: # define IASCIZ        AWKFIXESME
        !            41: # define ILSYM                 AWKFIXESME
        !            42: # define IFILE                 AWKFIXESME
        !            43: # define ILINENO       AWKFIXESME
        !            44: # define IABORT        AWKFIXESME
        !            45: # define IFILL         AWKFIXESME
        !            46: /*
        !            47:  *     Tokens between ISTAB and REG are used in the per token switch
        !            48:  */
        !            49: # define ISTAB                 AWKFIXESME
        !            50: # define ISTABSTR      AWKFIXESME
        !            51: # define ISTABNONE     AWKFIXESME
        !            52: # define ISTABDOT      AWKFIXESME
        !            53: # define IJXXX                 AWKFIXESME
        !            54: # define IALIGN        AWKFIXESME
        !            55: # define INST0                 AWKFIXESME
        !            56: # define INSTn                 AWKFIXESME
        !            57: 
        !            58: # define BFINT         AWKFIXESME
        !            59: # define PARSEEOF      AWKFIXESME
        !            60: # define ILINESKIP     AWKFIXESME
        !            61: # define VOID          AWKFIXESME
        !            62: # define SKIP          AWKFIXESME
        !            63: # define INT           AWKFIXESME
        !            64: # define BIGNUM                AWKFIXESME
        !            65: # define NAME          AWKFIXESME
        !            66: # define STRING                AWKFIXESME
        !            67: /*
        !            68:  *     Tokens between SIZESPEC and REGOP are used in the instruction
        !            69:  *     argument switch
        !            70:  */
        !            71: # define SIZESPEC      AWKFIXESME
        !            72: # define REG           AWKFIXESME
        !            73: # define MUL           AWKFIXESME
        !            74: # define LITOP         AWKFIXESME
        !            75: # define LP            AWKFIXESME
        !            76: # define MP            AWKFIXESME
        !            77: /*
        !            78:  *     Tokens between REGOP and DIV are used in the per character switch
        !            79:  */
        !            80: # define REGOP         AWKFIXESME      /*the percent sign*/
        !            81: # define NL            AWKFIXESME
        !            82: # define SCANEOF       AWKFIXESME
        !            83: # define BADCHAR       AWKFIXESME
        !            84: # define SP            AWKFIXESME
        !            85: # define ALPH          AWKFIXESME
        !            86: # define DIG           AWKFIXESME
        !            87: # define SQ            AWKFIXESME
        !            88: # define DQ            AWKFIXESME
        !            89: # define SH            AWKFIXESME
        !            90: # define LSH           AWKFIXESME
        !            91: # define RSH           AWKFIXESME
        !            92: # define MINUS         AWKFIXESME
        !            93: # define SIZEQUOTE     AWKFIXESME
        !            94: /*
        !            95:  *     Tokens between XOR and RP are used at random (primarily by the
        !            96:  *     expression analyzer), and not used in any switch
        !            97:  */
        !            98: # define XOR           AWKFIXESME
        !            99: # define DIV           AWKFIXESME
        !           100: 
        !           101: # define SEMI          AWKFIXESME
        !           102: # define COLON         AWKFIXESME
        !           103: # define PLUS          AWKFIXESME
        !           104: # define IOR           AWKFIXESME 
        !           105: # define AND           AWKFIXESME
        !           106: # define TILDE         AWKFIXESME
        !           107: # define ORNOT         AWKFIXESME
        !           108: # define CM            AWKFIXESME
        !           109: # define LB            AWKFIXESME
        !           110: # define RB            AWKFIXESME
        !           111: # define RP            AWKFIXESME
        !           112: 
        !           113: # define LASTTOKEN     AWKFIXESME

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