132 lines
3.6 KiB
C
132 lines
3.6 KiB
C
/****************************************************************
|
|
* *
|
|
* Copyright 2001, 2011 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 "lv_val.h"
|
|
#include "compiler.h"
|
|
#include "toktyp.h"
|
|
#include "opcode.h"
|
|
#include "indir_enum.h"
|
|
#include "mdq.h"
|
|
#include "cache.h"
|
|
#include "hashtab_objcode.h"
|
|
#include "op.h"
|
|
#include "rtnhdr.h"
|
|
#include "valid_mname.h"
|
|
#include "fullbool.h"
|
|
|
|
GBLREF symval *curr_symval;
|
|
|
|
error_def(ERR_INDMAXNEST);
|
|
error_def(ERR_VAREXPECTED);
|
|
|
|
void op_indget(mval *dst, mval *target, mval *value)
|
|
{
|
|
icode_str indir_src;
|
|
int rval;
|
|
ht_ent_mname *tabent;
|
|
mstr *obj, object;
|
|
oprtype v;
|
|
triple *s, *src, *oldchain, tmpchain, *r, *triptr;
|
|
var_tabent targ_key;
|
|
DCL_THREADGBL_ACCESS;
|
|
|
|
SETUP_THREADGBL_ACCESS;
|
|
if ((TREF(ind_source_sp) >= TREF(ind_source_top)) || (TREF(ind_result_sp) >= TREF(ind_result_top)))
|
|
rts_error(VARLSTCNT(1) ERR_INDMAXNEST); /* mdbcondition_handler resets ind_result_sp & ind_source_sp */
|
|
MV_FORCE_DEFINED(value);
|
|
MV_FORCE_STR(target);
|
|
indir_src.str = target->str;
|
|
indir_src.code = indir_get;
|
|
if (NULL == (obj = cache_get(&indir_src)))
|
|
{
|
|
obj = &object;
|
|
if (valid_mname(&target->str))
|
|
{
|
|
targ_key.var_name = target->str;
|
|
COMPUTE_HASH_MNAME(&targ_key);
|
|
tabent = lookup_hashtab_mname(&curr_symval->h_symtab, &targ_key);
|
|
if (!tabent || !LV_IS_VAL_DEFINED(tabent->value))
|
|
*dst = *value;
|
|
else
|
|
*dst = ((lv_val *)tabent->value)->v;
|
|
dst->mvtype &= ~MV_ALIASCONT; /* Make sure alias container property does not pass */
|
|
return;
|
|
}
|
|
comp_init(&target->str);
|
|
src = newtriple(OC_IGETSRC);
|
|
switch (TREF(window_token))
|
|
{
|
|
case TK_IDENT:
|
|
if (EXPR_FAIL != (rval = lvn(&v, OC_SRCHINDX, 0))) /* NOTE assignment */
|
|
{
|
|
s = newtriple(OC_FNGET2);
|
|
s->operand[0] = v;
|
|
s->operand[1] = put_tref(src);
|
|
}
|
|
break;
|
|
case TK_CIRCUMFLEX:
|
|
if (EXPR_FAIL != (rval = gvn())) /* NOTE assignment */
|
|
{
|
|
r = newtriple(OC_FNGVGET1);
|
|
s = newtriple(OC_FNGVGET2);
|
|
s->operand[0] = put_tref(r);
|
|
s->operand[1] = put_tref(src);
|
|
}
|
|
break;
|
|
case TK_ATSIGN:
|
|
TREF(saw_side_effect) = TREF(shift_side_effects);
|
|
if (TREF(shift_side_effects) && (GTM_BOOL == TREF(gtm_fullbool)))
|
|
{
|
|
dqinit(&tmpchain, exorder);
|
|
oldchain = setcurtchain(&tmpchain);
|
|
if (EXPR_FAIL != (rval = indirection(&v))) /* NOTE assignment */
|
|
{
|
|
s = newtriple(OC_INDGET);
|
|
s->operand[0] = v;
|
|
s->operand[1] = put_tref(src);
|
|
newtriple(OC_GVSAVTARG);
|
|
setcurtchain(oldchain);
|
|
dqadd(TREF(expr_start), &tmpchain, exorder);
|
|
TREF(expr_start) = tmpchain.exorder.bl;
|
|
triptr = newtriple(OC_GVRECTARG);
|
|
triptr->operand[0] = put_tref(TREF(expr_start));
|
|
} else
|
|
setcurtchain(oldchain);
|
|
} else
|
|
{
|
|
if (EXPR_FAIL != (rval = indirection(&v))) /* NOTE assignment */
|
|
{
|
|
s = newtriple(OC_INDGET);
|
|
s->operand[0] = v;
|
|
s->operand[1] = put_tref(src);
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
stx_error(ERR_VAREXPECTED);
|
|
rval = EXPR_FAIL;
|
|
break;
|
|
}
|
|
v = put_tref(s);
|
|
if (EXPR_FAIL == comp_fini(rval, obj, OC_IRETMVAL, &v, target->str.len))
|
|
return;
|
|
indir_src.str.addr = target->str.addr;
|
|
cache_put(&indir_src, obj);
|
|
/* Fall into code activation below */
|
|
}
|
|
*(TREF(ind_result_sp))++ = dst;
|
|
*(TREF(ind_source_sp))++ = value;
|
|
comp_indr(obj);
|
|
return;
|
|
}
|