+#
+# include "../mcons.h"
+# include "../ccmn.h"
+/*int mbuf[1024]; /*INSTR*/
+/*int tbuf[36]; /*INSTR*/
+
+int (*acts[])() {0,
+ &coll,
+ &save,
+ &out,
+ &asym,
+ &asw,
+ &csym,
+ &csw,
+ &incl,
+ &decl,
+ &sk2,
+ &sk,
+ &tabs,
+ &semi
+ };
+
+char *tmp[5] {"/tmp/crt0a",
+ "/tmp/crt1a",
+ "/tmp/crt2a",
+ "/tmp/crt3a",
+ "/tmp/crt4a"
+ };
+
+char *ignonl "/usr/lib/aign";
+char *gtab "/usr/lib/atab";
+
+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(argc < 2) {
+ printf("Usage: cref [-aceilosux] file1 ...\n");
+ exit();
+ }
+
+ lbuf[4] = '\t';
+ if(*argv[1] == '-') {
+ j = flags(argv);
+ argv =+ j;
+ argc =- j;
+ }
+
+ init();
+
+ i = 0;
+ while(++i < argc) {
+ curs[0] = '_';
+ curs[1] = '\t';
+ curs[4] = '\t';
+ cursl = 2;
+
+ if(fopen(argv[i],ibuf1) < 0) {
+ printf("Can't open %s\n",argv[i]);
+ dexit();
+ }
+ ibuf = ibuf1;
+
+ curf[0] = '\t';
+ curfl = 1;
+ while((curf[curfl] = *argv[i]++) != 0 && curfl <= 8)
+ if(curf[curfl++] == '/') curfl = 1;
+
+ curf[curfl++] = '\t';
+ if(curfl == 10) curf[9] = -1;
+/* printf("%s %d\n",curf,curfl);/*DEBUG*/
+
+ lno = 1;
+
+ driver();
+
+ close(file);
+ }
+ for(j = 0; j < 4;) {
+ flsh(j,0);
+ close(tp[j++]);
+ }
+
+/* monitor(0); /*INSTR*/
+/* dexit(); /*INSTR*/
+
+/* times(tbuf); /*INSTR*/
+/* tm1 = tbuf[15]/6; /*INSTR*/
+/* tm2 = tbuf[19]/6; /*INSTR*/
+/* tm3 = tbuf[23]/6; /*INSTR*/
+/* printf("Prep: %d %d %d\n",tm1,tm2,tm3); /*INSTR*/
+
+ if(utmp) exit();
+ fn = "/bin/sort";
+ av[0] = "sort";
+ av[1] = "-a";
+ av[3] = "-o";
+ av[5] = 0;
+ for(i = 0; i < 4; i++) {
+ av[4] = av[2] = tmp[i];
+ callsys(fn,av);
+ if(utmp) break;
+ }
+
+/* times(tbuf); /*INSTR*/
+/* tm1 = tbuf[27]/6; /*INSTR*/
+/* tm2 = tbuf[31]/6; /*INSTR*/
+/* tm3 = tbuf[35]/6; /*INSTR*/
+/* printf("Sort: %d %d %d\n",tm1,tm2,tm3); /*INSTR*/
+
+ if(usw) {
+ fn = "/usr/bin/upost";
+ av[0] = "upost";
+ i = 0;
+ } else {
+ fn = "/usr/bin/crpost";
+ av[0] = "crpost";
+ av[1] = cross? "-4x": "-3";
+ i = 1;
+ }
+ j = -1;
+ while(++j < 4) {
+ av[++i] = tmp[j];
+ if(utmp) break;
+ }
+ av[++i] = 0;
+
+ callsys(fn,av);
+
+/* times(tbuf); /*INSTR*/
+/* tm1 = tbuf[27]/6 - tm1; /*INSTR*/
+/* tm2 = tbuf[31]/6 - tm2; /*INSTR*/
+/* tm3 = tbuf[35]/6 - tm3; /*INSTR*/
+/* printf("Post: %d %d %d\n",tm1,tm2,tm3); /*INSTR*/
+
+ dexit();
+}
+
+driver()
+{
+ auto p;
+
+top:
+ l = -1;
+ while((c = line[++l] = getc(ibuf)) != -1) {
+ if(l >= 131) {
+ printf("Line too long: %d %s\n",lno,curf);
+ 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;
+ ibuf2 = &ib2;
+
+ xtab.hptr = &xpsp;
+ xtab.symt = &xssp;
+ xtab.hsiz = PTRX;
+ xtab.ssiz = CHARX;
+ xtab.nsym = 0;
+ xtab.curb = 1;
+
+ itab.hptr = &ipsp;
+ itab.symt = &issp;
+ itab.hsiz = PTRI;
+ itab.ssiz = CHARI;
+ itab.nsym = 0;
+ itab.curb = 1;
+
+ 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.\n");
+ dexit();
+ }
+
+ close(fi);
+
+
+ if((fi = open(ignonl,0)) < 0) {
+ printf("Cannot open ignore/only file: %s\n",ignonl);
+ 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: %s\n",ignonl);
+ dexit();
+ }
+ if(read(fi,itab.symt,b[2]) < b[2]) {
+ printf("Cannot read ignore/only file: %s\n",ignonl);
+ dexit();
+ }
+ close(fi);
+ } else {
+ close(fi);
+ compile();
+ }
+
+ if((signal(1,1) & 1) == 0) signal(1,&dexit);
+ if((signal(2,1) & 1) == 0) signal(2,&dexit);
+ if((signal(3,1) & 1) == 0) signal(3,&dexit);
+/* signal(4,&dexit);
+ signal(5,&dexit);
+ signal(6,&dexit);
+ signal(7,&dexit);
+ signal(8,&dexit);
+ signal(10,&dexit);
+ signal(11,&dexit);
+ signal(12,&dexit);
+*/
+ if(utmp == 0) {
+ while((tp[4] = creat(tmp[4],0)) < 0)
+ tmp[4][9]++;
+ close(tp[4]);
+ tmp[0][9] = tmp[4][9];
+ tmp[1][9] = tmp[4][9];
+ tmp[2][9] = tmp[4][9];
+ tmp[3][9] = tmp[4][9];
+ tp[0] = creat(tmp[0],CREATC);
+ tp[1] = creat(tmp[1],CREATC);
+ tp[2] = creat(tmp[2],CREATC);
+ tp[3] = creat(tmp[3],CREATC);
+ } else {
+ if((tp[0] = creat(utmp,CREATC)) < 0) {
+ printf("Can't create user's temp file.\n");
+ exit();
+ }
+ }
+
+ 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]);
+ unlink(tmp[2]);
+ unlink(tmp[3]);
+ unlink(tmp[4]);
+ }
+ exit();
+}
+
+callsys(f,v)
+ char f[],*v[];
+{
+ int t,status,i;
+
+ if((t = fork()) == 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 '1': /* Symbol first */
+ order = 1;
+ continue;
+
+ case '2': /* Current file first */
+ order = 2;
+ continue;
+
+ case '3': /* Current symbol first */
+ order = 3;
+ continue;
+
+ case 'a': /* Assembler */
+ cflag = 0;
+ continue;
+
+ case 'c': /* C */
+ gtab = "/usr/lib/ctab";
+ if(!xx)
+ ignonl = "/usr/lib/cign";
+ cflag = 1;
+ continue;
+
+ case 'e': /* English */
+ gtab = "/usr/lib/etab";
+ if(!xx)
+ ignonl = "/usr/lib/eign";
+ continue;
+
+ case 'i': /* Ignore file */
+ if(!xx) {
+ xx = 1;
+ only = 0;
+ ignonl = argv[++j];
+ }
+ continue;
+
+ case 'l': /* Line numbers in col. 3 */
+ cross = 0;
+ continue;
+
+ case 'o': /* Only file */
+ if(!xx) {
+ xx = 1;
+ only = 1;
+ ignonl = argv[++j];
+ }
+ continue;
+
+ case 's': /* Symbols in col. 3 */
+ cross = 1;
+ continue;
+
+ case 't':
+ utmp = argv[++j];
+ tmp[0] = argv[j];
+ continue;
+
+ case 'u': /* Unique symbols only */
+ usw = 1;
+ continue;
+
+ case 'x': /* C externals */
+ xsw = 1;
+ gtab = "/usr/lib/ctab";
+ if(!xx)
+ ignonl = "/usr/lib/cign";
+ cflag = 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");
+ dexit();
+ }
+ }
+ }
+ }
+ close(ibuf1);
+ return;
+}
projects / unix-history / commitdiff