1: /* once.c 4.1 83/08/11 */
2: /* because of external definitions, this code should occur only once */
3: # ifdef ASCII
4: int ctable[2*NCH] = {
5: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
6: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
7: 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
8: 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
9: 40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
10: 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
11: 60, 61, 62, 63, 64, 65, 66, 67, 68, 69,
12: 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
13: 80, 81, 82, 83, 84, 85, 86, 87, 88, 89,
14: 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
15: 100,101,102,103,104,105,106,107,108,109,
16: 110,111,112,113,114,115,116,117,118,119,
17: 120,121,122,123,124,125,126,127};
18: # endif
19: # ifdef EBCDIC
20: int ctable[2*NCH] = {
21: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
22: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
23: 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
24: 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
25: 40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
26: 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
27: 60, 61, 62, 63, 64, 65, 66, 67, 68, 69,
28: 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
29: 80, 81, 82, 83, 84, 85, 86, 87, 88, 89,
30: 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
31: 100,101,102,103,104,105,106,107,108,109,
32: 110,111,112,113,114,115,116,117,118,119,
33: 120,121,122,123,124,125,126,127,128,129,
34: 130,131,132,133,134,135,136,137,138,139,
35: 140,141,142,143,144,145,146,147,148,149,
36: 150,151,152,153,154,155,156,157,158,159,
37: 160,161,162,163,164,165,166,167,168,169,
38: 170,171,172,173,174,175,176,177,178,179,
39: 180,181,182,183,184,185,186,187,188,189,
40: 190,191,192,193,194,195,196,197,198,199,
41: 200,201,202,203,204,205,206,207,208,209,
42: 210,211,212,213,214,215,216,217,218,219,
43: 220,221,222,223,224,225,226,227,228,229,
44: 230,231,232,233,234,235,236,237,238,239,
45: 240,241,242,243,244,245,246,247,248,249,
46: 250,251,252,253,254,255};
47: # endif
48: int ZCH = NCH;
49: FILE *fout = NULL, *errorf = {stdout};
50: int sect = DEFSECTION;
51: int prev = '\n'; /* previous input character */
52: int pres = '\n'; /* present input character */
53: int peek = '\n'; /* next input character */
54: char *pushptr = pushc;
55: char *slptr = slist;
56:
57: # if (unix || ibm)
58: char *cname = "/usr/lib/lex/ncform";
59: char *ratname = "/usr/lib/lex/nrform";
60: # endif
61:
62: # ifdef gcos
63: char *cname = "pounce/lexcform";
64: char *ratname = "pounce/lexrform";
65: # endif
66: int ccount = 1;
67: int casecount = 1;
68: int aptr = 1;
69: int nstates = NSTATES, maxpos = MAXPOS;
70: int treesize = TREESIZE, ntrans = NTRANS;
71: int yytop;
72: int outsize = NOUTPUT;
73: int sptr = 1;
74: int optim = TRUE;
75: int report = 2;
76: int debug; /* 1 = on */
77: int charc;
78: int sargc;
79: char **sargv;
80: char buf[520];
81: int ratfor; /* 1 = ratfor, 0 = C */
82: int yyline; /* line number of file */
83: int eof;
84: int lgatflg;
85: int divflg;
86: int funcflag;
87: int pflag;
88: int chset; /* 1 = char set modified */
89: FILE *fin, *fother;
90: int fptr;
91: int *name;
92: int *left;
93: int *right;
94: int *parent;
95: char *nullstr;
96: int tptr;
97: char pushc[TOKENSIZE];
98: char slist[STARTSIZE];
99: char **def, **subs, *dchar;
100: char **sname, *schar;
101: char *ccl;
102: char *ccptr;
103: char *dp, *sp;
104: int dptr;
105: char *bptr; /* store input position */
106: char *tmpstat;
107: int count;
108: int **foll;
109: int *nxtpos;
110: int *positions;
111: int *gotof;
112: int *nexts;
113: char *nchar;
114: int **state;
115: int *sfall; /* fallback state num */
116: char *cpackflg; /* true if state has been character packed */
117: int *atable;
118: int nptr;
119: char symbol[NCH];
120: char cindex[NCH];
121: int xstate;
122: int stnum;
123: char match[NCH];
124: char [NACTIONS];
125: char *pchar, *pcptr;
126: int pchlen = TOKENSIZE;
127: long rcount;
128: int *verify, *advance, *stoff;
129: int scon;
130: char *psave;
131: int buserr(), segviol();