home *** CD-ROM | disk | FTP | other *** search
- #
- # include "econs.h"
- # include "ecmn.h"
- /*int mbuf[1024]; /*INSTR*/
- /*int tbuf[12]; /*INSTR*/
-
- int (*acts[])() {0,
- &coll,
- &save,
- &out,
- &error,
- &hyphen,
- &pno
- };
-
- char *tmp[2] {"/tmp/crt0a",
- "/tmp/crt1a"
- };
-
- char *ignonl "/usr/lib/eign";
- char *gtab "/usr/lib/etab";
-
- main(argc,argv)
- char *argv[];
- {
- auto i,j,tm1,tm2,tm3;
- char *fn,*av[8];
- /* extern etext; /*INSTR*/
-
- /* monitor(&main,&etext,&mbuf,1024); /*INSTR*/
-
- if(*argv[1] == '-') {
- j = flags(argv);
- argv =+ j;
- argc =- j;
- }
-
- init();
-
- i = 0;
- if(argc == 1) {
- *ibuf1 = 0;
- curfl = 2;
- curf[0] = '_';
- curf[1] = '\t';
- goto pipe;
- }
- while(++i < argc) {
- curs[4] = '\t';
-
- if(fopen(argv[i],ibuf1) < 0) {
- printf("Can't open %s\n",argv[i]);
- dexit();
- }
-
- curfl = 0;
- while((curf[curfl] = *argv[i]++) != 0 && curfl <=8)
- if(curf[curfl++] == '/') curfl = 0;
- curf[curfl++] = '\t';
- if(curfl == 8) curf[8] = -1;
-
- pipe:
- ibuf = ibuf1;
- lno = 1;
-
- driver();
-
- close(file);
- }
- flsh(0);
- close(tp[0]);
-
-
- /* monitor(0); /*INSTR*/
- /* dexit(); /*INSTR*/
-
- /* times(tbuf); /*INSTR*/
- /* tm1 = tbuf[0]/6; /*INSTR*/
- /* tm2 = tbuf[1]/6; /*INSTR*/
- /* printf("Prep: %d %d\n", tm1, tm2); /*INSTR*/
-
- /* exit(); /*DEBUG*/
- fn = "/bin/sort";
- av[0] = "sort";
- av[1] = tmp[0];
- av[2] = "-o";
- av[3] = tmp[0];
- av[4] = 0;
-
- callsys(fn, av);
-
- /* times(tbuf); /*INSTR*/
- /* tm1 = tbuf[3]/6; /*INSTR*/
- /* tm2 = tbuf[5]/6; /*INSTR*/
- /* printf("Sort: %d %d\n", tm1, tm2); /*INSTR*/
-
- if(usw) {
- fn = "/usr/bin/upost";
- av[0] = "upost";
- i = 0;
- } else if(count) {
- fn = "count";
- av[0] = "count";
- i = 0;
- } else {
- fn = "/usr/bin/crpost";
- av[0] = "crpost";
- av[1] = "-E";
- i = 1;
- }
- av[++i] = tmp[0];
- av[++i] = 0;
-
- callsys(fn,av);
-
- /* times(tbuf); /*INSTR*/
- /* tm1 = tbuf[3]/6 - tm1; /*INSTR*/
- /* tm2 = tbuf[5]/6 - tm2; /*INSTR*/
- /* printf("Post: %d %d\n", tm1, tm2); /*INSTR*/
-
- dexit();
- }
-
- driver()
- {
- auto p;
-
- top:
- l = -1;
- while((c = line[++l] = getc(ibuf)) != -1) {
- /* printf("driver: c = %o l = %d\n",c,l); /*DEBUG*/
- if(l >= 299) {
- printf("Line too long: %d.\n",lno);
- dexit();
- }
-
- if(c & 0200) {
- printf("Illegal character: %o line %d\n",c,lno);
- dexit();
- }
-
- if(fl) {
- if((*flag[fl])())
- continue;
- }
-
- /*printf("cs = %d cc = %c ca = %d\n",cs,c,tab[cs].cl[c]); /*DEBUG*/
-
- if(p = tab[cs].cl[c])
- (*acts[p])();
- continue;
- }
- if(ibuf == ibuf1) return;
- ibuf = ibuf1;
- goto top;
-
- }
-
- init()
- {
- int b[3];
- auto fi,i;
- extern coll(),save(),out(),asym(),asw(),csym(),csw();
- extern incl(),decl(),sk(),sk2();
- extern dexit();
-
- ibuf1 = &ib1;
-
-
-
- if((fi = open(gtab,0)) < 0) {
- printf("Cannot open grammar table; see lem\n");
- dexit();
- }
-
- i = -1;
- while(++i < NUMS)
- if(read(fi,tab[i].cl,256) < 256) {
- printf("Bad grammar table; see lem\n");
- dexit();
- }
-
- close(fi);
-
-
-
- if(signal(1,1) != 1) signal(1,&dexit);
- if(signal(2,1) != 1) signal(2,&dexit);
- if(signal(3,1) != 1) signal(3,&dexit);
- while((tp[1] = creat(tmp[1],0)) < 0)
- tmp[1][9]++;
- close(tp[1]);
- tmp[0][9] = tmp[1][9];
- tp[0] = creat(tmp[0],CREATC);
-
- if(count) return;
-
- itab.hptr = &ipsp;
- itab.symt = &issp;
- itab.hsiz = PTRI;
- itab.ssiz = CHARI;
- itab.nsym = 0;
- itab.curb = 1;
-
- if((fi = open(ignonl,0)) < 0) {
- printf("Cannot open ignore/only file.\n");
- dexit();
- }
- if((read(fi,b,6) == 6) && (b[0] == 0100200)) {
- if(read(fi,itab.hptr,b[1]) < b[1]) {
- printf("Cannot read ignore/only file.\n");
- dexit();
- }
- if(read(fi,itab.symt,b[2]) < b[2]) {
- printf("Cannot read ignor/only file.\n");
- dexit();
- }
- close(fi);
- } else {
- close(fi);
- compile();
- }
- return;
- }
-
- error(a)
- {
- printf("Error %d\n",a);
- dexit();
- }
-
- dexit()
- {
- extern nflush;
-
- /* printf("nflush = %d\n",nflush); /*DEBUG*/
- if(tp[0] > 0 && utmp == 0) {
- unlink(tmp[0]);
- unlink(tmp[1]);
- }
- exit();
- }
-
- callsys(f,v)
- char f[],*v[];
- {
- int t,status,i;
-
- if((t = fork()) == 0) {
- for(i = 1; i <= 12; i++) signal(i,0);
- execv(f,v);
- printf("Can't find %s\n",f);
- exit(1);
- } else {
- if(t == -1) {
- printf("Try again\n");
- return(1);
- }
- }
-
- while(t != wait(&status));
- /* printf("Status = %o, %s\n",status,f); /*DEBUG*/
- if((t = (status & 0377)) != 0) {
- if(t != 2) {
- printf("Fatal error in %s\n",f);
- printf("t = %d\n",t);
- }
- dexit();
- }
- return((status>>8) & 0377);
- }
-
- flags(argv)
- char *argv[];
- {
- int j,xx;
- char *ap;
-
- j = 1;
- ap = argv[1];
- while(*++ap != '\0') {
- switch(*ap) {
-
- default:
- printf("Unrecognized flag: %c\n",*ap);
- dexit();
-
- case 'c':
- count = 1;
- continue;
-
- case 'i': /* Ignore file */
- if(!xx) {
- xx = 1;
- only = 0;
- ignonl = argv[++j];
- }
- continue;
-
- case 'o': /*only file*/
- if(!xx) {
- xx = 1;
- only = 1;
- ignonl = argv[++j];
- }
- continue;
-
- case 'p':
- page = 1;
- continue;
-
- case 't':
- utmp = argv[++j];
- tmp[0] = argv[j];
- continue;
-
- case 'u': /* Unique symbols only */
- usw = 1;
- continue;
-
- case 'w': /* Word list only */
- word = 1;
- continue;
-
- }
- }
- return(j);
- }
-
-
- compile()
- {
- char buf[40],*b;
- int i,v;
-
- fopen(ignonl,ibuf1);
-
- b = buf - 1;
- while((*++b = getc(ibuf1)) != -1) {
- if(*b == '\n') {
- *b = '\0';
- search(buf,b - buf,&itab,1);
- b = buf - 1;
- } else {
- if(*b == '\t') {
- v = 0;
- while((i = getc(ibuf1)) != -1) {
- if(i == '\n') break;
- v = v*10 + (i - '0');
- }
- search(buf,b - buf,&itab,v);
- b = buf - 1;
- } else {
- if((b - buf) > 39) {
- printf("Ignore/only symbol too long.\n");
- dexit();
- }
- }
- }
- }
- close(ibuf1);
- return;
- }
-