fis-gtm/sr_port/make_gvsubsc.c

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/****************************************************************
* *
* Copyright 2001, 2009 Fidelity Information Services, Inc *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#include "mdef.h"
#include "compiler.h"
#include "stringpool.h"
#include "gdsroot.h"
#include "gdsblk.h"
#include "gtm_facility.h"
#include "fileinfo.h"
#include "gdsbt.h"
#include "gdsfhead.h"
#include "mvalconv.h"
GBLREF spdesc stringpool;
oprtype make_gvsubsc(mval *v)
{
mval w;
gv_key *gp;
ENSURE_STP_FREE_SPACE(MAX_SRCLINE + SIZEOF(gv_key));
if ((INTPTR_T)stringpool.free & 1)
stringpool.free++; /* word align key for structure refs */
gp = (gv_key *) stringpool.free;
gp->top = MAX_SRCLINE;
gp->end = gp->prev = 0;
mval2subsc(v,gp);
w.mvtype = MV_STR | MV_SUBLIT;
w.str.addr = (char *) gp->base;
w.str.len = gp->end + 1;
stringpool.free = &gp->base[gp->end + 1];
assert(stringpool.free <= stringpool.top);
return put_lit(&w);
}