fis-gtm/sr_port/op_indglvn.c

81 lines
2.0 KiB
C

/****************************************************************
* *
* Copyright 2001, 2012 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 "gtm_string.h" /* needed by INCREMENT_EXPR_DEPTH */
#include "lv_val.h"
#include "compiler.h"
#include "opcode.h"
#include "indir_enum.h"
#include "toktyp.h"
#include "cache.h"
#include "op.h"
#include <rtnhdr.h>
#include "valid_mname.h"
GBLREF bool undef_inhibit;
GBLREF symval *curr_symval;
LITREF mval literal_null;
error_def(ERR_UNDEF);
void op_indglvn(mval *v,mval *dst)
{
ht_ent_mname *tabent;
icode_str indir_src;
int rval;
mstr *obj, object;
oprtype x, getdst;
var_tabent targ_key;
DCL_THREADGBL_ACCESS;
SETUP_THREADGBL_ACCESS;
MV_FORCE_STR(v);
indir_src.str = v->str;
indir_src.code = indir_glvn;
if (NULL == (obj = cache_get(&indir_src)))
{
if (valid_mname(&v->str))
{
targ_key.var_name = v->str;
COMPUTE_HASH_MNAME(&targ_key);
tabent = lookup_hashtab_mname(&curr_symval->h_symtab, &targ_key);
assert(NULL == tabent || NULL != tabent->value);
if (!tabent || !LV_IS_VAL_DEFINED(tabent->value))
{
if (undef_inhibit)
{
*dst = literal_null;
return;
} else
rts_error(VARLSTCNT(4) ERR_UNDEF, 2, v->str.len, v->str.addr);
}
*dst = ((lv_val *)tabent->value)->v;
dst->mvtype &= ~MV_ALIASCONT; /* Make sure alias container property does not pass */
return;
}
obj = &object;
comp_init(&v->str, &getdst);
INCREMENT_EXPR_DEPTH;
rval = glvn(&x);
DECREMENT_EXPR_DEPTH;
if (EXPR_FAIL == comp_fini(rval, obj, OC_IRETMVAL, &x, &getdst, v->str.len))
return;
indir_src.str.addr = v->str.addr;
cache_put(&indir_src, obj);
/* Fall into code activation below */
}
TREF(ind_result) = dst;
comp_indr(obj);
return;
}