mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-20 11:11:24 +00:00
492 lines
10 KiB
C
492 lines
10 KiB
C
/****************************************************************
|
|
Copyright 1990, 1993 - 1995 by AT&T Bell Laboratories and Bellcore.
|
|
|
|
Permission to use, copy, modify, and distribute this software
|
|
and its documentation for any purpose and without fee is hereby
|
|
granted, provided that the above copyright notice appear in all
|
|
copies and that both that the copyright notice and this
|
|
permission notice and warranty disclaimer appear in supporting
|
|
documentation, and that the names of AT&T Bell Laboratories or
|
|
Bellcore or any of their entities not be used in advertising or
|
|
publicity pertaining to distribution of the software without
|
|
specific, written prior permission.
|
|
|
|
AT&T and Bellcore disclaim all warranties with regard to this
|
|
software, including all implied warranties of merchantability
|
|
and fitness. In no event shall AT&T or Bellcore be liable for
|
|
any special, indirect or consequential damages or any damages
|
|
whatsoever resulting from loss of use, data or profits, whether
|
|
in an action of contract, negligence or other tortious action,
|
|
arising out of or in connection with the use or performance of
|
|
this software.
|
|
****************************************************************/
|
|
|
|
#include "defs.h"
|
|
|
|
/* ROUTINES CALLED DURING DATA AND PARAMETER STATEMENT PROCESSING */
|
|
|
|
static char datafmt[] = "%s\t%09ld\t%d";
|
|
static char *cur_varname;
|
|
|
|
/* another initializer, called from parser */
|
|
void
|
|
#ifdef KR_headers
|
|
dataval(repp, valp)
|
|
register expptr repp;
|
|
register expptr valp;
|
|
#else
|
|
dataval(register expptr repp, register expptr valp)
|
|
#endif
|
|
{
|
|
int i, nrep;
|
|
ftnint elen;
|
|
register Addrp p;
|
|
|
|
if (parstate < INDATA) {
|
|
frexpr(repp);
|
|
goto ret;
|
|
}
|
|
if(repp == NULL)
|
|
nrep = 1;
|
|
else if (ISICON(repp) && repp->constblock.Const.ci >= 0)
|
|
nrep = repp->constblock.Const.ci;
|
|
else
|
|
{
|
|
err("invalid repetition count in DATA statement");
|
|
frexpr(repp);
|
|
goto ret;
|
|
}
|
|
frexpr(repp);
|
|
|
|
if( ! ISCONST(valp) ) {
|
|
if (valp->tag == TADDR
|
|
&& valp->addrblock.uname_tag == UNAM_CONST) {
|
|
/* kludge */
|
|
frexpr(valp->addrblock.memoffset);
|
|
valp->tag = TCONST;
|
|
}
|
|
else {
|
|
err("non-constant initializer");
|
|
goto ret;
|
|
}
|
|
}
|
|
|
|
if(toomanyinit) goto ret;
|
|
for(i = 0 ; i < nrep ; ++i)
|
|
{
|
|
p = nextdata(&elen);
|
|
if(p == NULL)
|
|
{
|
|
err("too many initializers");
|
|
toomanyinit = YES;
|
|
goto ret;
|
|
}
|
|
setdata((Addrp)p, (Constp)valp, elen);
|
|
frexpr((expptr)p);
|
|
}
|
|
|
|
ret:
|
|
frexpr(valp);
|
|
}
|
|
|
|
|
|
Addrp
|
|
#ifdef KR_headers
|
|
nextdata(elenp)
|
|
ftnint *elenp;
|
|
#else
|
|
nextdata(ftnint *elenp)
|
|
#endif
|
|
{
|
|
register struct Impldoblock *ip;
|
|
struct Primblock *pp;
|
|
register Namep np;
|
|
register struct Rplblock *rp;
|
|
tagptr p;
|
|
expptr neltp;
|
|
register expptr q;
|
|
int skip;
|
|
ftnint off, vlen;
|
|
|
|
while(curdtp)
|
|
{
|
|
p = (tagptr)curdtp->datap;
|
|
if(p->tag == TIMPLDO)
|
|
{
|
|
ip = &(p->impldoblock);
|
|
if(ip->implb==NULL || ip->impub==NULL || ip->varnp==NULL)
|
|
fatali("bad impldoblock 0%o", (int) ip);
|
|
if(ip->isactive)
|
|
ip->varvp->Const.ci += ip->impdiff;
|
|
else
|
|
{
|
|
q = fixtype(cpexpr(ip->implb));
|
|
if( ! ISICON(q) )
|
|
goto doerr;
|
|
ip->varvp = (Constp) q;
|
|
|
|
if(ip->impstep)
|
|
{
|
|
q = fixtype(cpexpr(ip->impstep));
|
|
if( ! ISICON(q) )
|
|
goto doerr;
|
|
ip->impdiff = q->constblock.Const.ci;
|
|
frexpr(q);
|
|
}
|
|
else
|
|
ip->impdiff = 1;
|
|
|
|
q = fixtype(cpexpr(ip->impub));
|
|
if(! ISICON(q))
|
|
goto doerr;
|
|
ip->implim = q->constblock.Const.ci;
|
|
frexpr(q);
|
|
|
|
ip->isactive = YES;
|
|
rp = ALLOC(Rplblock);
|
|
rp->rplnextp = rpllist;
|
|
rpllist = rp;
|
|
rp->rplnp = ip->varnp;
|
|
rp->rplvp = (expptr) (ip->varvp);
|
|
rp->rpltag = TCONST;
|
|
}
|
|
|
|
if( (ip->impdiff>0 && (ip->varvp->Const.ci <= ip->implim))
|
|
|| (ip->impdiff<0 && (ip->varvp->Const.ci >= ip->implim)) )
|
|
{ /* start new loop */
|
|
curdtp = ip->datalist;
|
|
goto next;
|
|
}
|
|
|
|
/* clean up loop */
|
|
|
|
if(rpllist)
|
|
{
|
|
rp = rpllist;
|
|
rpllist = rpllist->rplnextp;
|
|
free( (charptr) rp);
|
|
}
|
|
else
|
|
Fatal("rpllist empty");
|
|
|
|
frexpr((expptr)ip->varvp);
|
|
ip->isactive = NO;
|
|
curdtp = curdtp->nextp;
|
|
goto next;
|
|
}
|
|
|
|
pp = (struct Primblock *) p;
|
|
np = pp->namep;
|
|
cur_varname = np->fvarname;
|
|
skip = YES;
|
|
|
|
if(p->primblock.argsp==NULL && np->vdim!=NULL)
|
|
{ /* array initialization */
|
|
q = (expptr) mkaddr(np);
|
|
off = typesize[np->vtype] * curdtelt;
|
|
if(np->vtype == TYCHAR)
|
|
off *= np->vleng->constblock.Const.ci;
|
|
q->addrblock.memoffset =
|
|
mkexpr(OPPLUS, q->addrblock.memoffset, mkintcon(off) );
|
|
if( (neltp = np->vdim->nelt) && ISCONST(neltp))
|
|
{
|
|
if(++curdtelt < neltp->constblock.Const.ci)
|
|
skip = NO;
|
|
}
|
|
else
|
|
err("attempt to initialize adjustable array");
|
|
}
|
|
else
|
|
q = mklhs((struct Primblock *)cpexpr((expptr)pp), 0);
|
|
if(skip)
|
|
{
|
|
curdtp = curdtp->nextp;
|
|
curdtelt = 0;
|
|
}
|
|
if(q->headblock.vtype == TYCHAR)
|
|
if(ISICON(q->headblock.vleng))
|
|
*elenp = q->headblock.vleng->constblock.Const.ci;
|
|
else {
|
|
err("initialization of string of nonconstant length");
|
|
continue;
|
|
}
|
|
else *elenp = typesize[q->headblock.vtype];
|
|
|
|
if (np->vstg == STGBSS) {
|
|
vlen = np->vtype==TYCHAR
|
|
? np->vleng->constblock.Const.ci
|
|
: typesize[np->vtype];
|
|
if(vlen > 0)
|
|
np->vstg = STGINIT;
|
|
}
|
|
return( (Addrp) q );
|
|
|
|
doerr:
|
|
err("nonconstant implied DO parameter");
|
|
frexpr(q);
|
|
curdtp = curdtp->nextp;
|
|
|
|
next:
|
|
curdtelt = 0;
|
|
}
|
|
|
|
return(NULL);
|
|
}
|
|
|
|
|
|
|
|
LOCAL FILEP dfile;
|
|
|
|
void
|
|
#ifdef KR_headers
|
|
setdata(varp, valp, elen)
|
|
register Addrp varp;
|
|
register Constp valp;
|
|
ftnint elen;
|
|
#else
|
|
setdata(register Addrp varp, register Constp valp, ftnint elen)
|
|
#endif
|
|
{
|
|
struct Constblock con;
|
|
register int type;
|
|
int i, k, valtype;
|
|
ftnint offset;
|
|
char *varname;
|
|
static Addrp badvar;
|
|
register unsigned char *s;
|
|
static int last_lineno;
|
|
static char *last_varname;
|
|
|
|
if (varp->vstg == STGCOMMON) {
|
|
if (!(dfile = blkdfile))
|
|
dfile = blkdfile = opf(blkdfname, textwrite);
|
|
}
|
|
else {
|
|
if (procclass == CLBLOCK) {
|
|
if (varp != badvar) {
|
|
badvar = varp;
|
|
warn1("%s is not in a COMMON block",
|
|
varp->uname_tag == UNAM_NAME
|
|
? varp->user.name->fvarname
|
|
: "???");
|
|
}
|
|
return;
|
|
}
|
|
if (!(dfile = initfile))
|
|
dfile = initfile = opf(initfname, textwrite);
|
|
}
|
|
varname = dataname(varp->vstg, varp->memno);
|
|
offset = varp->memoffset->constblock.Const.ci;
|
|
type = varp->vtype;
|
|
valtype = valp->vtype;
|
|
if(type!=TYCHAR && valtype==TYCHAR)
|
|
{
|
|
if(! ftn66flag
|
|
&& (last_varname != cur_varname || last_lineno != lineno)) {
|
|
/* prevent multiple warnings */
|
|
last_lineno = lineno;
|
|
warn1(
|
|
"non-character datum %.42s initialized with character string",
|
|
last_varname = cur_varname);
|
|
}
|
|
varp->vleng = ICON(typesize[type]);
|
|
varp->vtype = type = TYCHAR;
|
|
}
|
|
else if( (type==TYCHAR && valtype!=TYCHAR) ||
|
|
(cktype(OPASSIGN,type,valtype) == TYERROR) )
|
|
{
|
|
err("incompatible types in initialization");
|
|
return;
|
|
}
|
|
if(type == TYADDR)
|
|
con.Const.ci = valp->Const.ci;
|
|
else if(type != TYCHAR)
|
|
{
|
|
if(valtype == TYUNKNOWN)
|
|
con.Const.ci = valp->Const.ci;
|
|
else consconv(type, &con, valp);
|
|
}
|
|
|
|
k = 1;
|
|
|
|
switch(type)
|
|
{
|
|
case TYLOGICAL:
|
|
case TYINT1:
|
|
case TYLOGICAL1:
|
|
case TYLOGICAL2:
|
|
case TYSHORT:
|
|
case TYLONG:
|
|
#ifdef TYQUAD
|
|
case TYQUAD:
|
|
#endif
|
|
dataline(varname, offset, type);
|
|
prconi(dfile, con.Const.ci);
|
|
break;
|
|
|
|
case TYADDR:
|
|
dataline(varname, offset, type);
|
|
prcona(dfile, con.Const.ci);
|
|
break;
|
|
|
|
case TYCOMPLEX:
|
|
case TYDCOMPLEX:
|
|
k = 2;
|
|
case TYREAL:
|
|
case TYDREAL:
|
|
dataline(varname, offset, type);
|
|
prconr(dfile, &con, k);
|
|
break;
|
|
|
|
case TYCHAR:
|
|
k = valp -> vleng -> constblock.Const.ci;
|
|
if (elen < k)
|
|
k = elen;
|
|
s = (unsigned char *)valp->Const.ccp;
|
|
for(i = 0 ; i < k ; ++i) {
|
|
dataline(varname, offset++, TYCHAR);
|
|
fprintf(dfile, "\t%d\n", *s++);
|
|
}
|
|
k = elen - valp->vleng->constblock.Const.ci;
|
|
if(k > 0) {
|
|
dataline(varname, offset, TYBLANK);
|
|
fprintf(dfile, "\t%d\n", k);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
badtype("setdata", type);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
output form of name is padded with blanks and preceded
|
|
with a storage class digit
|
|
*/
|
|
char*
|
|
#ifdef KR_headers
|
|
dataname(stg, memno)
|
|
int stg;
|
|
long memno;
|
|
#else
|
|
dataname(int stg, long memno)
|
|
#endif
|
|
{
|
|
static char varname[64];
|
|
register char *s, *t;
|
|
char buf[16];
|
|
|
|
if (stg == STGCOMMON) {
|
|
varname[0] = '2';
|
|
sprintf(s = buf, "Q.%ld", memno);
|
|
}
|
|
else {
|
|
varname[0] = stg==STGEQUIV ? '1' : '0';
|
|
s = memname(stg, memno);
|
|
}
|
|
t = varname + 1;
|
|
while(*t++ = *s++);
|
|
*t = 0;
|
|
return(varname);
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
|
#ifdef KR_headers
|
|
frdata(p0)
|
|
chainp p0;
|
|
#else
|
|
frdata(chainp p0)
|
|
#endif
|
|
{
|
|
register struct Chain *p;
|
|
register tagptr q;
|
|
|
|
for(p = p0 ; p ; p = p->nextp)
|
|
{
|
|
q = (tagptr)p->datap;
|
|
if(q->tag == TIMPLDO)
|
|
{
|
|
if(q->impldoblock.isbusy)
|
|
return; /* circular chain completed */
|
|
q->impldoblock.isbusy = YES;
|
|
frdata(q->impldoblock.datalist);
|
|
free( (charptr) q);
|
|
}
|
|
else
|
|
frexpr(q);
|
|
}
|
|
|
|
frchain( &p0);
|
|
}
|
|
|
|
|
|
void
|
|
#ifdef KR_headers
|
|
dataline(varname, offset, type)
|
|
char *varname;
|
|
ftnint offset;
|
|
int type;
|
|
#else
|
|
dataline(char *varname, ftnint offset, int type)
|
|
#endif
|
|
{
|
|
fprintf(dfile, datafmt, varname, offset, type);
|
|
}
|
|
|
|
void
|
|
#ifdef KR_headers
|
|
make_param(p, e)
|
|
register struct Paramblock *p;
|
|
expptr e;
|
|
#else
|
|
make_param(register struct Paramblock *p, expptr e)
|
|
#endif
|
|
{
|
|
register expptr q;
|
|
struct Constblock qc;
|
|
|
|
if (p->vstg == STGARG)
|
|
errstr("Dummy argument %.50s appears in a parameter statement.",
|
|
p->fvarname);
|
|
p->vclass = CLPARAM;
|
|
impldcl((Namep)p);
|
|
if (e->headblock.vtype != TYCHAR)
|
|
e = putx(fixtype(e));
|
|
p->paramval = q = mkconv(p->vtype, e);
|
|
if (p->vtype == TYCHAR) {
|
|
if (q->tag == TEXPR)
|
|
p->paramval = q = fixexpr((Exprp)q);
|
|
if (q->tag == TADDR && q->addrblock.uname_tag == UNAM_CONST) {
|
|
qc.Const = q->addrblock.user.Const;
|
|
qc.tag = TCONST;
|
|
qc.vtype = q->addrblock.vtype;
|
|
qc.vleng = q->addrblock.vleng;
|
|
q = (expptr)&qc;
|
|
}
|
|
if (!ISCONST(q) || q->constblock.vtype != TYCHAR) {
|
|
errstr("invalid value for character parameter %s",
|
|
p->fvarname);
|
|
return;
|
|
}
|
|
if (!(e = p->vleng))
|
|
p->vleng = ICON(q->constblock.vleng->constblock.Const.ci
|
|
+ q->constblock.Const.ccp1.blanks);
|
|
else if (q->constblock.vleng->constblock.Const.ci
|
|
> e->constblock.Const.ci) {
|
|
q->constblock.vleng->constblock.Const.ci
|
|
= e->constblock.Const.ci;
|
|
q->constblock.Const.ccp1.blanks = 0;
|
|
}
|
|
else
|
|
q->constblock.Const.ccp1.blanks
|
|
= e->constblock.Const.ci
|
|
- q->constblock.vleng->constblock.Const.ci;
|
|
}
|
|
}
|