32V/usr/src/cmd/rc.c
#include <signal.h>
/* EFL-Ratfor-Fortran command */
char *setsuf(),*copy();
extern int fin, fout;
char ts[4000];
char *tsp = ts;
char *av[500];
char *rlist[500];
int nr = 0;
char *llist[500];
int nl = 0;
int nxo = 0;
int bdcount = 0; /* count block data files generated */
int rflag = 0; /* Ratfor or EFL ony, no compile */
int dflag = 0; /* Compile EFL DEBUG statements if set */
int tflag = 0; /* Trace operation of command if set */
int vflag = 1; /* Verify files compiled if set */
int mflag = 0; /* Ratfor macro pre-pass if set */
int fflag = 0; /* Save Fortran intermediate files if set */
int cflag = 0; /* Compile only if set */
int Uflag = 0; /* Add IMPLICIT UNDEFINED to generated fortran */
int Cflag = 0; /* Copy Ratfor comments if set */
int errcnt;
char *arg0;
char *complr = "/usr/fort/fc1";
char *ratfor = "/usr/bin/ratfor";
char *ratout = "ratjunk";
char *rattmp = "ratjunk.r";
char *ratopt = "-1&";
char *efl = "/usr/bin/efl";
char *eflout = "efljunk";
char *eflopt = "-u ";
char *macro = "/usr/bin/m4";
char *undecl = "implicit undefined /a-z,A-Z/\n";
# define BADOPEN 127
main(argc, argv)
char *argv[]; {
char *t;
int i, j, c;
int dexit();
arg0 = argv[0];
for(i=0; ++i < argc; ) {
if(*argv[i] == '-')
for(j=1; argv[i][j]; j++) {
switch (argv[i][j]) {
default:
if(j == 1) goto passa;
else continue;
case 'm':
mflag = 1;
break;
case 't':
tflag = 1;
break;
case 'v':
vflag = 0;
break;
case 'd':
eflopt[7] = 'd';
break;
case 'g':
eflopt[2] = 'g';
eflopt[3] = argv[i][j+1];
rflag = cflag = fflag = 1;
break;
case 'e':
case 'r':
rflag = fflag = cflag = 1;
break;
case 'f':
fflag = 1;
break;
case 'c':
cflag = 1;
break;
case 'U':
Uflag = 1;
break;
case 'C':
Cflag = 1;
break;
case '2':
complr = "/usr/fort/fc2";
break;
case '6':
ratopt[1] = '6';
ratopt[2] = argv[i][j+1];
rflag = cflag = fflag = 1;
break;
case '9':
eflopt[4] = '9';
break;
case '#':
eflopt[5] = '#';
break;
case 'w':
eflopt[6] = 'w';
break;
}
}
else {
passa:
t = argv[i];
switch( getsuf(t) ) {
case 'e':
eflcomp(t);
break;
case 'r':
ratcomp(t);
break;
case 'f':
fortcomp(t);
llenter(setsuf(copy(t),'o'));
break;
default:
llenter(copy(t));
break;
}
}
}
if(rflag)
dexit(0);
if (signal(SIGINT, SIG_IGN) != SIG_IGN)
signal(SIGINT, dexit);
if(tflag)
printf("errcnt=%d, nl=%d\n", errcnt, nl);
if (errcnt==0 & cflag==0 && nl!=0) {
i = 0;
av[0] = "ld";
av[1] = "-x";
av[2] = "/lib/fr0.o";
j = 3;
while(i<nl)
av[j++] = llist[i++];
av[j++] = "-lf";
av[j++] = "/usr/lib/filib.a";
av[j++] = "-l";
av[j++] = 0;
callsys("/bin/ld", av);
}
dexit(errcnt);
}
dexit(n)
int n;
{
cunlink(ratout);
cunlink(rattmp);
cunlink(eflout);
cunlink("f.tmp1");
if(tflag)
printf("%s status=%d\n", arg0, n);
exit(n);
}
eflcomp(s) char *s; {
nr = 0;
if(vflag)
printf("%s:\n",s);
if( callprep( efl, s, eflout, eflopt, 0, 0 ) == 0 ) {
splitup(eflout);
dorlist(s);
}
}
ratcomp(s) char *s; {
int i, j, t;
nr = 0;
if(vflag)
printf("%s:\n",s);
if (mflag) {
if( ( t = callprep( macro, s, rattmp, 0, 0, 0 ) ) < BADOPEN )
t = callprep( ratfor, rattmp, ratout, ratopt, Cflag?"-C":0, 0 );
} else
t = callprep( ratfor, s, ratout, ratopt, Cflag?"-C":0, 0 );
if( t < BADOPEN ) {
splitup(ratout);
dorlist(s);
}
}
callprep( prep, file, output, opt1, opt2, opt3 )
char *prep, *file, *output, *opt1, *opt2, *opt3;
{
int t, status, i, j;
av[0] = prep;
j = 1;
if (opt1) av[j++] = opt1;
if (opt2) av[j++] = opt2;
if (opt3) av[j++] = opt3;
av[j] = 0;
if( tflag ) {
printf("%s <%s ", av[0], file);
for (i=1; av[i]; i++)
printf("%s ", av[i]);
printf("\n");
}
if( (t=fork())==0 ){
close(1);
if( (fout=creat(output, 0666)) < 0) {
error( "can't open %s", output );
dexit(BADOPEN);
}
close(0);
if( (fin=open(file, 0)) < 0) {
error( "can't open %s", file );
dexit(BADOPEN);
}
execv(prep, av);
error("can't execute %s", prep);
dexit(1);
}
while( t!=wait(&status) );
if( (t=(status&0377)) != 0 && t!=14 )
dexit(1);
t = (status>>8) & 0377;
if( tflag )
printf("status = %d\n", t);
if( t ) ++errcnt;
return ( t );
}
dorlist(s) char *s; {
int i, j, t;
int fstat;
if( rflag ) return;
fstat = 0;
for(i=0; i<nr; i++){
if( vflag ) printf(" ");
if( fortcomp(rlist[i]) )
fstat++;
}
if( fstat ) {
for(i=0; i<nr; i++) {
cunlink( setsuf( rlist[i], 'o' ) );
if( fflag==0 ) cunlink( setsuf( rlist[i], 'f' ) );
}
return;
}
av[0] = "ld";
av[1] = "-r";
av[2] = "-x";
j = 3;
for(i=0; i<nr; i++)
av[j++] = rlist[i];
av[j] = 0;
callsys("/bin/ld", av);
t = setsuf(copy(s),'o');
if( move( "a.out", t) )
errcnt++;
llenter(t);
for(i=0; i<nr; i++) {
if( nodup(llist,rlist[i]) )
cunlink(rlist[i]);
if( fflag==0 )
cunlink(setsuf(rlist[i],'f'));
}
}
fortcomp(s) char *s; {
int t;
if( vflag ) printf("%s:\n", s);
av[0] = complr;
av[1] = s;
av[2] = 0;
if( callsys(complr, av) )
return(++errcnt);
av[0] = "as";
av[1] = "-";
av[2] = "-o";
av[3] = setsuf(s, 'o');
av[4] = "f.tmp1";
av[5] = 0;
callsys("/bin/as", av);
return(0);
}
getsuf(s)
char s[];
{
int c;
char t, *os;
c = 0;
os = s;
while(t = *s++)
if (t=='/')
c = 0;
else
c++;
s -= 3;
if (c<=14 && c>2 && *s++=='.')
return(*s);
return(0);
}
char *
setsuf(s, ch)
char s[];
{
char *os;
os = s;
while( *s )
if( *s++ == '/' )
os = s;
s[-1] = ch;
return(os);
}
move(s,t) char *s, *t; {
cunlink(t);
if(link(s, t) || cunlink(s)) {
printf("move failed: %s\n", t);
return(1);
}
return(0);
}
callsys(f, v)
char f[], *v[]; {
int i, t, status;
if(tflag){
printf("%s ", f);
for(i=0; v[i]; i++)
printf("%s ", v[i]);
putchar('\n');
}
if ((t=fork())==0) {
execv(f, v);
printf("Can't find %s\n", f);
dexit(1);
} else
if (t == -1) {
printf("Try again\n");
return(1);
}
while(t!=wait(&status));
if ((t=(status&0377)) != 0 && t!=14) {
if (t!=2) /* interrupt */
printf("Fatal error in %s\n", f);
dexit(1);
}
t = (status>>8) & 0377;
if( tflag )
printf("status = %d\n", t);
return(t);
}
char *
copy(s)
char s[]; {
char *otsp;
otsp = tsp;
while(*tsp++ = *s++);
return(otsp);
}
nodup(l, s)
char **l, s[]; {
char *t, *os, c;
if (getsuf(s) != 'o')
return(1);
os = s;
while(t = *l++) {
s = os;
while(c = *s++)
if (c != *t++)
break;
if (*t++ == '\0')
return(0);
}
return(1);
}
llenter(t) char *t; {
if (nodup(llist, t)) {
llist[nl++] = t;
if (getsuf(t)=='o')
nxo++;
}
}
cunlink(f)
char *f;
{
if( tflag )
printf("unlink %s\n", f);
if (f==0)
return(0);
return(unlink(f));
}
splitup(file) char *file; {
char in[1500], fname[20];
int buf[259];
int i,fd,mainsw,c;
if( (fin=open(file, 0)) < 0)
error("can't open %s", file);
while( gets(in) ){
if( *in == 'c' || *in == 'C' ) continue;
mainsw = getname(in, fname);
savename(fname);
if( (fd = fcreat(fname, buf)) < 0)
error("can't open %s", fname);
if(mainsw && Uflag) {
puts(undecl,buf);
puts(in,buf);
} else {
puts(in,buf);
if( Uflag )
puts(undecl,buf);
}
while( ! endcard(in) ){
gets(in);
puts(in,buf);
}
fflush(buf);
close(fd);
}
close(fin);
}
gets(s) char *s; {
int c;
while( (*s++=c=getchar()) != '\n' && c != '\0' );
*s = '\0';
return(c);
}
puts(s,b) char *s; int *b; {
while( *s )
putc(*s++, b);
}
savename(s) char *s; {
rlist[nr++] = copy(s);
}
getname(s,f) char *s,*f; {
int i,j,c;
loop:
while( *s == ' ' || *s == '\t' )
s++;
if( compar(s,"subroutine") ){ s += 10; goto bot; }
else if( compar( s,"function") ){ s += 8; goto bot; }
else if( compar(s,"real") ){ s += 4; goto loop; }
else if( compar(s,"integer") ){ s += 7; goto loop; }
else if( compar(s,"logical") ){ s += 7; goto loop; }
else if( compar(s,"double") ){ s += 6; goto loop; }
else if( compar(s,"precision") ){ s += 9; goto loop; }
else if( compar(s,"complex") ){ s += 7; goto loop; }
else if( compar(s,"*") ){ /* integer *16 */
++s;
while( (*s >= '0' && *s <= '9') || *s == ' ' || *s == '\t' )
s++;
goto loop;
}
else if( compar(s,"block") ){
s = "BLOCKDATA ";
s[9] = (bdcount++) + '0';
goto bot;
}
else {
for(i=0; f[i]="MAIN.f"[i]; i++);
return(1);
}
bot:
while( *s == ' ' || *s == '\t' )
s++;
for(i=0; alphanum(s[i]); i++)
f[i] = s[i];
f[i++] = '.';
f[i++] = 'f';
f[i++] = '\0';
return(0);
}
compar(s,t) char *s,*t; {
while( *t )
if( *s++ != *t++ )
return(0);
return(1);
}
alphanum(c) int c; {
return( (c>='a' && c<='z')
|| (c>='A' && c<='Z')
|| (c>='0' && c<='9') );
}
endcard(s) char *s; {
if( *s==0 )
return(1);
while( *s==' ' || *s=='\t' )
s++;
if( *s!='e' || *(s+1)!='n' || *(s+2)!='d' || *(s+3)!='\n' )
return(0);
return(1);
}
error(s1, s2){
fout = 2;
printf(s1,s2);
putchar('\n');
flush(1);
errcnt++;
}