Annotation of researchv9/cmd/lex/once.c, revision 1.1.1.1

1.1       root        1:        /* because of external definitions, this code should occur only once */
                      2: # ifdef ASCII
                      3: int    ctable[2*NCH] = {
                      4:   0,  1,  2,  3,  4,  5,  6,  7,  8,  9,
                      5:  10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
                      6:  20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
                      7:  30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
                      8:  40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
                      9:  50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
                     10:  60, 61, 62, 63, 64, 65, 66, 67, 68, 69,
                     11:  70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
                     12:  80, 81, 82, 83, 84, 85, 86, 87, 88, 89,
                     13:  90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
                     14: 100,101,102,103,104,105,106,107,108,109,
                     15: 110,111,112,113,114,115,116,117,118,119,
                     16: 120,121,122,123,124,125,126,127};
                     17: # endif
                     18: # ifdef EBCDIC
                     19: int ctable[2*NCH] {
                     20:   0,  1,  2,  3,  4,  5,  6,  7,  8,  9,
                     21:  10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
                     22:  20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
                     23:  30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
                     24:  40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
                     25:  50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
                     26:  60, 61, 62, 63, 64, 65, 66, 67, 68, 69,
                     27:  70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
                     28:  80, 81, 82, 83, 84, 85, 86, 87, 88, 89,
                     29:  90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
                     30: 100,101,102,103,104,105,106,107,108,109,
                     31: 110,111,112,113,114,115,116,117,118,119,
                     32: 120,121,122,123,124,125,126,127,128,129,
                     33: 130,131,132,133,134,135,136,137,138,139,
                     34: 140,141,142,143,144,145,146,147,148,149,
                     35: 150,151,152,153,154,155,156,157,158,159,
                     36: 160,161,162,163,164,165,166,167,168,169,
                     37: 170,171,172,173,174,175,176,177,178,179,
                     38: 180,181,182,183,184,185,186,187,188,189,
                     39: 190,191,192,193,194,195,196,197,198,199,
                     40: 200,201,202,203,204,205,206,207,208,209,
                     41: 210,211,212,213,214,215,216,217,218,219,
                     42: 220,221,222,223,224,225,226,227,228,229,
                     43: 230,231,232,233,234,235,236,237,238,239,
                     44: 240,241,242,243,244,245,246,247,248,249,
                     45: 250,251,252,253,254,255};
                     46: # endif
                     47: int    ZCH = NCH;
                     48: FILE   *fout = NULL, *errorf = {stdout};
                     49: int    sect = DEFSECTION;
                     50: int    prev = '\n';    /* previous input character */
                     51: int    pres = '\n';    /* present input character */
                     52: int    peek = '\n';    /* next input character */
                     53: char   *pushptr = pushc;
                     54: char   *slptr = slist;
                     55: 
                     56: # if (unix || ibm)
                     57: char   *cname = "/usr/lib/lex/ncform";
                     58: char   *ratname = "/usr/lib/lex/nrform";
                     59: # endif
                     60: 
                     61: # ifdef gcos
                     62: char *cname "pounce/lexcform";
                     63: char *ratname "pounce/lexrform";
                     64: # endif
                     65: int ccount = 1;
                     66: int casecount = 1;
                     67: int aptr = 1;
                     68: int nstates = NSTATES, maxpos = MAXPOS;
                     69: int treesize = TREESIZE, ntrans = NTRANS;
                     70: int yytop;
                     71: int outsize = NOUTPUT;
                     72: int sptr = 1;
                     73: int optim = TRUE;
                     74: int report = 2;
                     75: int debug;             /* 1 = on */
                     76: int charc;
                     77: int sargc;
                     78: char **sargv;
                     79: char buf[520];
                     80: int ratfor;            /* 1 = ratfor, 0 = C */
                     81: int yyline;            /* line number of file */
                     82: int eof;
                     83: int lgatflg;
                     84: int divflg;
                     85: int funcflag;
                     86: int pflag;
                     87: int chset;     /* 1 = char set modified */
                     88: FILE *fin, *fother;
                     89: int fptr;
                     90: int *name;
                     91: int *left;
                     92: int *right;
                     93: int *parent;
                     94: char *nullstr;
                     95: int tptr;
                     96: char pushc[TOKENSIZE];
                     97: char slist[STARTSIZE];
                     98: char **def, **subs, *dchar;
                     99: char **sname, *schar;
                    100: char *ccl;
                    101: char *ccptr;
                    102: char *dp, *sp;
                    103: int dptr;
                    104: char *bptr;            /* store input position */
                    105: char *tmpstat;
                    106: int count;
                    107: int **foll;
                    108: int *nxtpos;
                    109: int *positions;
                    110: int *gotof;
                    111: int *nexts;
                    112: char *nchar;
                    113: int **state;
                    114: int *sfall;            /* fallback state num */
                    115: char *cpackflg;                /* true if state has been character packed */
                    116: int *atable;
                    117: int nptr;
                    118: char symbol[NCH];
                    119: char cindex[NCH];
                    120: int xstate;
                    121: int stnum;
                    122: char match[NCH];
                    123: char extra[NACTIONS];
                    124: char *pchar, *pcptr;
                    125: int pchlen = TOKENSIZE;
                    126:  long rcount;
                    127: int *verify, *advance, *stoff;
                    128: int scon;
                    129: char *psave;
                    130: int buserr(), segviol();

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