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Annotation of 41BSD/cmd/lex/ldefs.c, revision 1.1

1.1     ! root        1: # include <stdio.h>
        !             2: # define PP 1
        !             3: # ifdef unix
        !             4: 
        !             5: # define CWIDTH 7
        !             6: # define CMASK 0177
        !             7: # define ASCII 1
        !             8: # endif
        !             9: 
        !            10: # ifdef gcos
        !            11: # define CWIDTH 9
        !            12: # define CMASK 0777
        !            13: # define ASCII 1
        !            14: # endif
        !            15: 
        !            16: # ifdef ibm
        !            17: # define CWIDTH 8
        !            18: # define CMASK 0377
        !            19: # define EBCDIC 1
        !            20: # endif
        !            21: 
        !            22: # ifdef ASCII
        !            23: # define NCH 128
        !            24: # endif
        !            25: 
        !            26: # ifdef EBCDIC
        !            27: # define NCH 256
        !            28: # endif
        !            29: 
        !            30: 
        !            31: # define TOKENSIZE 1000
        !            32: # define DEFSIZE 40
        !            33: # define DEFCHAR 1000
        !            34: # define STARTCHAR 100
        !            35: # define STARTSIZE 256
        !            36: # define CCLSIZE 1000
        !            37: # ifdef SMALL
        !            38: # define TREESIZE 600
        !            39: # define NTRANS 1500
        !            40: # define NSTATES 300
        !            41: # define MAXPOS 1500
        !            42: # define NOUTPUT 1500
        !            43: # endif
        !            44: 
        !            45: # ifndef SMALL
        !            46: # define TREESIZE 1000
        !            47: # define NSTATES 500
        !            48: # define MAXPOS 2500
        !            49: # define NTRANS 2000
        !            50: # define NOUTPUT 3000
        !            51: # endif
        !            52: # define NACTIONS 100
        !            53: # define ALITTLEEXTRA 30
        !            54: 
        !            55: # define RCCL NCH+90
        !            56: # define RNCCL NCH+91
        !            57: # define RSTR NCH+92
        !            58: # define RSCON NCH+93
        !            59: # define RNEWE NCH+94
        !            60: # define FINAL NCH+95
        !            61: # define RNULLS NCH+96
        !            62: # define RCAT NCH+97
        !            63: # define STAR NCH+98
        !            64: # define PLUS NCH+99
        !            65: # define QUEST NCH+100
        !            66: # define DIV NCH+101
        !            67: # define BAR NCH+102
        !            68: # define CARAT NCH+103
        !            69: # define S1FINAL NCH+104
        !            70: # define S2FINAL NCH+105
        !            71: 
        !            72: # define DEFSECTION 1
        !            73: # define RULESECTION 2
        !            74: # define ENDSECTION 5
        !            75: # define TRUE 1
        !            76: # define FALSE 0
        !            77: 
        !            78: # define PC 1
        !            79: # define PS 1
        !            80: 
        !            81: # ifdef DEBUG
        !            82: # define LINESIZE 110
        !            83: extern int yydebug;
        !            84: extern int debug;              /* 1 = on */
        !            85: extern int charc;
        !            86: # endif
        !            87: 
        !            88: # ifndef DEBUG
        !            89: # define freturn(s) s
        !            90: # endif
        !            91: 
        !            92: extern int sargc;
        !            93: extern char **sargv;
        !            94: extern char buf[520];
        !            95: extern int ratfor;             /* 1 = ratfor, 0 = C */
        !            96: extern int yyline;             /* line number of file */
        !            97: extern int sect;
        !            98: extern int eof;
        !            99: extern int lgatflg;
        !           100: extern int divflg;
        !           101: extern int funcflag;
        !           102: extern int pflag;
        !           103: extern int casecount;
        !           104: extern int chset;      /* 1 = char set modified */
        !           105: extern FILE *fin, *fout, *fother, *errorf;
        !           106: extern int fptr;
        !           107: extern char *ratname, *cname;
        !           108: extern int prev;       /* previous input character */
        !           109: extern int pres;       /* present input character */
        !           110: extern int peek;       /* next input character */
        !           111: extern int *name;
        !           112: extern int *left;
        !           113: extern int *right;
        !           114: extern int *parent;
        !           115: extern char *nullstr;
        !           116: extern int tptr;
        !           117: extern char pushc[TOKENSIZE];
        !           118: extern char *pushptr;
        !           119: extern char slist[STARTSIZE];
        !           120: extern char *slptr;
        !           121: extern char **def, **subs, *dchar;
        !           122: extern char **sname, *schar;
        !           123: extern char *ccl;
        !           124: extern char *ccptr;
        !           125: extern char *dp, *sp;
        !           126: extern int dptr, sptr;
        !           127: extern char *bptr;             /* store input position */
        !           128: extern char *tmpstat;
        !           129: extern int count;
        !           130: extern int **foll;
        !           131: extern int *nxtpos;
        !           132: extern int *positions;
        !           133: extern int *gotof;
        !           134: extern int *nexts;
        !           135: extern char *nchar;
        !           136: extern int **state;
        !           137: extern int *sfall;             /* fallback state num */
        !           138: extern char *cpackflg;         /* true if state has been character packed */
        !           139: extern int *atable, aptr;
        !           140: extern int nptr;
        !           141: extern char symbol[NCH];
        !           142: extern char cindex[NCH];
        !           143: extern int xstate;
        !           144: extern int stnum;
        !           145: extern int ctable[];
        !           146: extern int ZCH;
        !           147: extern int ccount;
        !           148: extern char match[NCH];
        !           149: extern char extra[NACTIONS];
        !           150: extern char *pcptr, *pchar;
        !           151: extern int pchlen;
        !           152: extern int nstates, maxpos;
        !           153: extern int yytop;
        !           154: extern int report;
        !           155: extern int ntrans, treesize, outsize;
        !           156: extern long rcount;
        !           157: extern int optim;
        !           158: extern int *verify, *advance, *stoff;
        !           159: extern int scon;
        !           160: extern char *psave;
        !           161: extern char *calloc(), *myalloc();
        !           162: extern int buserr(), segviol();

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