void
main(int argc, char **argv)
{
int i;
ARGBEGIN {
# ifdef DEBUG
case 'd': debug++; break;
case 'y': yydebug = TRUE; break;
# endif
case 't': case 'T':
Binit(&fout, 1, OWRITE);
errorf= 2;
foutopen = 1;
break;
case 'v': case 'V':
report = 1;
break;
case 'n': case 'N':
report = 0;
break;
case '9':
nine = 1;
break;
default:
warning("Unknown option %c", ARGC());
} ARGEND
sargc = argc;
sargv = argv;
if (argc > 0){
yyfile = argv[fptr++];
fin = Bopen(yyfile, OREAD);
if(fin == 0)
error ("%s - can't open file: %r", yyfile);
sargc--;
sargv++;
}
else {
yyfile = "/fd/0";
fin = myalloc(sizeof(Biobuf), 1);
if(fin == 0)
exits("core");
Binit(fin, 0, OREAD);
}
if(Bgetc(fin) == Beof) /* no input */
exits(0);
Bseek(fin, 0, 0);
gch();
/* may be gotten: def, subs, sname, stchar, ccl, dchar */
get1core();
/* may be gotten: name, left, right, nullstr, parent, ptr */
strcpy((char*)sp, "INITIAL");
sname[0] = sp;
sp += strlen("INITIAL") + 1;
sname[1] = 0;
if(yyparse()) exits("error"); /* error return code */
/* may be disposed of: def, subs, dchar */
free1core();
/* may be gotten: tmpstat, foll, positions, gotof, nexts, nchar, state, atable, sfall, cpackflg */
get2core();
ptail();
mkmatch();
# ifdef DEBUG
if(debug) pccl();
# endif
sect = ENDSECTION;
if(tptr>0)cfoll(tptr-1);
# ifdef DEBUG
if(debug)pfoll();
# endif
cgoto();
# ifdef DEBUG
if(debug){
print("Print %d states:\n",stnum+1);
for(i=0;i<=stnum;i++)stprt(i);
}
# endif
/* may be disposed of: positions, tmpstat, foll, state, name, left, right, parent, ccl, stchar, sname */
/* may be gotten: verify, advance, stoff */
free2core();
get3core();
layout();
/* may be disposed of: verify, advance, stoff, nexts, nchar,
gotof, atable, ccpackflg, sfall */
# ifdef DEBUG
free3core();
# endif
fother = Bopen(cname,OREAD);
if(fother == 0)
error("Lex driver missing, file %s: %r",cname);
while ( (i=Bgetc(fother)) != Beof)
Bputc(&fout, i);
Bterm(fother);
Bterm(&fout);
if(
# ifdef DEBUG
debug ||
# endif
report == 1)statistics();
if (fin)
Bterm(fin);
exits(0); /* success return code */
}
int
main(int argc, char **argv)
{
int i;
int c;
char *apath = NULL;
char *ypath;
Boolean eoption = 0, woption = 0;
sargv = argv;
sargc = argc;
(void) setlocale(LC_ALL, "");
#ifdef DEBUG
while ((c = getopt(argc, argv, "dyctvnewVQ:Y:")) != EOF) {
#else
while ((c = getopt(argc, argv, "ctvnewVQ:Y:")) != EOF) {
#endif
switch (c) {
#ifdef DEBUG
case 'd':
debug++;
break;
case 'y':
yydebug = TRUE;
break;
#endif
case 'V':
(void) fprintf(stderr, "lex: %s %s\n",
(const char *)SGU_PKG,
(const char *)SGU_REL);
break;
case 'Q':
v_stmp = optarg;
if (*v_stmp != 'y' && *v_stmp != 'n')
error(
"lex: -Q should be followed by [y/n]");
break;
case 'Y':
apath = (char *)malloc(strlen(optarg) +
sizeof ("/nceucform") + 1);
if (apath == NULL)
error("No available memory "
"for directory name.");
else
apath = strcpy(apath, optarg);
break;
case 'c':
ratfor = FALSE;
break;
case 't':
fout = stdout;
break;
case 'v':
report = 1;
break;
case 'n':
report = 0;
break;
case 'w':
case 'W':
woption = 1;
handleeuc = 1;
widecio = 1;
break;
case 'e':
case 'E':
eoption = 1;
handleeuc = 1;
widecio = 0;
break;
default:
(void) fprintf(stderr,
"Usage: lex [-ewctvnV] [-Y directory] "
"[-Q(y/n)] [file]\n");
exit(1);
}
}
if (woption && eoption) {
error(
"You may not specify both -w and -e simultaneously.");
}
no_input = argc - optind;
if (no_input) {
/* XCU4: recognize "-" file operand for stdin */
if (strcmp(argv[optind], "-") == 0)
fin = stdin;
else {
fin = fopen(argv[optind], "r");
if (fin == NULL)
error(
"Can't open input file -- %s", argv[optind]);
}
} else
fin = stdin;
/* may be gotten: def, subs, sname, schar, ccl, dchar */
(void) gch();
/* may be gotten: name, left, right, nullstr, parent */
get1core();
scopy(L_INITIAL, sp);
sname[0] = sp;
sp += slength(L_INITIAL) + 1;
sname[1] = 0;
/* XCU4: %x exclusive start */
exclusive[0] = 0;
if (!handleeuc) {
/*
* Set ZCH and ncg to their default values
* as they may be needed to handle %t directive.
*/
ZCH = ncg = NCH; /* ncg behaves as constant in this mode. */
}
/* may be disposed of: def, subs, dchar */
if (yyparse())
exit(1); /* error return code */
if (handleeuc) {
ncg = ncgidtbl * 2;
ZCH = ncg;
if (ncg >= MAXNCG)
error(
"Too complex rules -- requires too many char groups.");
sortcgidtbl();
}
repbycgid(); /* Call this even in ASCII compat. mode. */
/*
* maybe get:
* tmpstat, foll, positions, gotof, nexts,
* nchar, state, atable, sfall, cpackflg
*/
free1core();
get2core();
ptail();
mkmatch();
#ifdef DEBUG
if (debug)
pccl();
#endif
sect = ENDSECTION;
if (tptr > 0)
cfoll(tptr-1);
#ifdef DEBUG
if (debug)
pfoll();
#endif
cgoto();
#ifdef DEBUG
if (debug) {
(void) printf("Print %d states:\n", stnum + 1);
for (i = 0; i <= stnum; i++)
stprt(i);
}
#endif
/*
* may be disposed of:
* positions, tmpstat, foll, state, name,
* left, right, parent, ccl, schar, sname
* maybe get: verify, advance, stoff
*/
free2core();
get3core();
layout();
/*
* may be disposed of:
* verify, advance, stoff, nexts, nchar,
* gotof, atable, ccpackflg, sfall
*/
#ifdef DEBUG
free3core();
#endif
if (handleeuc) {
if (ratfor)
error("Ratfor is not supported by -w or -e option.");
ypath = EUCNAME;
}
else
ypath = ratfor ? RATNAME : CNAME;
if (apath != NULL)
ypath = strcat(apath, strrchr(ypath, '/'));
fother = fopen(ypath, "r");
if (fother == NULL)
error("Lex driver missing, file %s", ypath);
while ((i = getc(fother)) != EOF)
(void) putc((char)i, fout);
(void) fclose(fother);
(void) fclose(fout);
free(apath);
if (report == 1)
statistics();
(void) fclose(stdout);
(void) fclose(stderr);
return (0); /* success return code */
}
static void
get1core(void)
{
/*LINTED: E_BAD_PTR_CAST_ALIGN*/
ccptr = ccl = (CHR *)myalloc(CCLSIZE, sizeof (*ccl));
/*LINTED: E_BAD_PTR_CAST_ALIGN*/
pcptr = pchar = (CHR *)myalloc(pchlen, sizeof (*pchar));
/*LINTED: E_BAD_PTR_CAST_ALIGN*/
def = (CHR **)myalloc(DEFSIZE, sizeof (*def));
/*LINTED: E_BAD_PTR_CAST_ALIGN*/
subs = (CHR **)myalloc(DEFSIZE, sizeof (*subs));
/*LINTED: E_BAD_PTR_CAST_ALIGN*/
dp = dchar = (CHR *)myalloc(DEFCHAR, sizeof (*dchar));
/*LINTED: E_BAD_PTR_CAST_ALIGN*/
sname = (CHR **)myalloc(STARTSIZE, sizeof (*sname));
/* XCU4: exclusive start array */
/*LINTED: E_BAD_PTR_CAST_ALIGN*/
exclusive = (int *)myalloc(STARTSIZE, sizeof (*exclusive));
/*LINTED: E_BAD_PTR_CAST_ALIGN*/
sp = schar = (CHR *)myalloc(STARTCHAR, sizeof (*schar));
if (ccl == 0 || def == 0 ||
pchar == 0 || subs == 0 || dchar == 0 ||
sname == 0 || exclusive == 0 || schar == 0)
error("Too little core to begin");
}
