/*-------------------------------------------------------------------------
* Function: _lite_PD_mk_descriptor
*
* Purpose: Build a member descriptor out of the given string.
*
* Return: Success:
*
* Failure:
*
* Programmer: Adapted from PACT PDB
* Mar 5, 1996 2:06 PM EST
*
* Modifications:
* Eric Brugger, Tue Dec 8 15:16:07 PST 1998
* Remove unnecessary calls to lite_SC_mark, since reference count now
* set when allocated.
*
*-------------------------------------------------------------------------
*/
memdes *
_lite_PD_mk_descriptor (char *member, int defoff) {
memdes *desc;
char *ms, *ts, *bs, *ns, *p;
dimdes *nd;
desc = FMAKE(memdes, "_PD_MK_DESCRIPTOR:desc");
/*
* Get rid of any leading white space.
*/
for (p = member; strchr(" \t\n\r\f", *p) != NULL; p++) /*void*/ ;
ms = lite_SC_strsavef(p, "char*:_PD_MK_DESCRIPTOR:member");
ts = _lite_PD_member_type(p);
bs = _lite_PD_member_base_type(p);
ns = _lite_PD_member_name(p);
nd = _lite_PD_ex_dims(p, defoff, FALSE);
desc->member = ms;
desc->type = ts;
desc->base_type = bs;
desc->name = ns;
desc->dimensions = nd;
desc->number = _lite_PD_comp_num(desc->dimensions);
desc->member_offs = -1L;
desc->cast_offs = -1L;
desc->cast_memb = NULL;
desc->next = NULL;
return(desc);
}
static syment *
_PD_write (PDBfile *file, char *name, char *intype, char *outtype,
lite_SC_byte *vr, dimdes *dims, int appnd) {
int reset;
syment *ep;
long number, addr;
char bf[MAXLINE], fullpath[MAXLINE], *lname;
_append_flag = FALSE;
ep = NULL;
switch (setjmp(_lite_PD_write_err)) {
case ABORT : return(NULL);
case ERR_FREE : return(ep);
default : memset(lite_PD_err, 0, MAXLINE);
break;
}
if (file->mode == PD_OPEN) {
lite_PD_error("FILE OPENED IN READ-ONLY MODE - _PD_WRITE", PD_WRITE);
}
strcpy(fullpath, _lite_PD_fixname(file, name));
/*
* Append a new block to an existing entry if TRUE.
*/
if (appnd) {
strcpy(bf, fullpath);
/*
* Do this so that things such as a[20:20].b work properly
* NOTE: this also implies that a[20:20].b.c works while
* a.b[20:20].c doesn't
* for now this defines the semantics of append (10/6/93)
*/
lname = lite_SC_firsttok(bf, ".()[]");
ep = lite_PD_inquire_entry(file, lname, FALSE, NULL);
if (ep == NULL) {
lite_PD_error("CAN'T APPEND TO NON-EXISTING ENTRY - _PD_WRITE",
PD_WRITE);
}
_lite_PD_adj_dimensions(file, fullpath, ep);
/*
* Extend the syment.
*/
_lite_PD_add_block(file, ep, dims);
}
addr = file->chrtaddr;
ep = _lite_PD_effective_ep(file, fullpath, FALSE, NULL);
if (ep != NULL) {
/*
* If the variable already exists use the existing file info.
*/
addr = PD_entry_address(ep);
_lite_PD_rl_dimensions(dims);
lname = fullpath;
reset = FALSE;
} else {
/*
* If the variable doesn't exist define it to the file.
*/
number = _lite_PD_comp_num(dims);
ep = _lite_PD_mk_syment(outtype, number, addr, NULL, dims);
strcpy(bf, fullpath);
lname = lite_SC_firsttok(bf, ".([ ");
_lite_PD_e_install(lname, ep, file->symtab);
reset = TRUE;
}
if (file->virtual_internal) {
SC_address ad;
ad.memaddr = vr;
ep->blocks->diskaddr = ad.diskaddr;
lite_SC_mark(vr, 1);
ep = lite_PD_copy_syment(ep);
} else {
if (outtype == NULL) outtype = PD_entry_type(ep);
if (intype == NULL) intype = outtype;
/*
* Go to the correct address.
*/
if (io_seek(file->stream, addr, SEEK_SET)) {
lite_PD_error("FSEEK FAILED TO FIND CURRENT ADDRESS - _PD_WRITE",
PD_WRITE);
}
/*
* Do the low level write.
*/
if (!_lite_PD_hyper_write(file, lname, ep, vr, intype)) {
lite_PD_error("CAN'T WRITE VARIABLE - _PD_WRITE", PD_WRITE);
}
/*
* If the variable didn't previously exist we're at the end
* of the file.
*/
if (reset) {
file->chrtaddr = io_tell(file->stream);
if (file->chrtaddr == -1L) {
lite_PD_error("CAN'T FIND ADDRESS OF NEXT VARIABLE - _PD_WRITE",
PD_WRITE);
}
/*
* Make a releasable copy of the entry
* SX depends on this critically!!
*/
ep = lite_PD_copy_syment(ep);
}
}
return(ep);
}
