fis-gtm/sr_port/f_query.c

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/****************************************************************
* *
* 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 "compiler.h"
#include "opcode.h"
#include "indir_enum.h"
#include "toktyp.h"
#include "mdq.h"
#include "fullbool.h"
error_def (ERR_VAREXPECTED);
int f_query(oprtype *a, opctype op)
{
triple *oldchain, *r, *r0, *r1, tmpchain, *triptr;
DCL_THREADGBL_ACCESS;
SETUP_THREADGBL_ACCESS;
if (TK_IDENT == TREF(window_token))
{
if (!lvn(a, OC_FNQUERY, 0))
return FALSE;
assert(TRIP_REF == a->oprclass);
if (OC_FNQUERY == a->oprval.tref->opcode)
{
assert(OC_FNQUERY == a->oprval.tref->opcode);
assert(TRIP_REF == a->oprval.tref->operand[0].oprclass);
assert(OC_ILIT == a->oprval.tref->operand[0].oprval.tref->opcode);
assert(ILIT_REF == a->oprval.tref->operand[0].oprval.tref->operand[0].oprclass);
assert(0 < a->oprval.tref->operand[0].oprval.tref->operand[0].oprval.ilit);
a->oprval.tref->operand[0].oprval.tref->operand[0].oprval.ilit += 2;
assert(TRIP_REF == a->oprval.tref->operand[1].oprclass);
assert(OC_PARAMETER == a->oprval.tref->operand[1].oprval.tref->opcode);
assert(TRIP_REF == a->oprval.tref->operand[1].oprval.tref->operand[0].oprclass);
r0 = a->oprval.tref->operand[1].oprval.tref->operand[0].oprval.tref;
assert(OC_VAR == r0->opcode);
assert(MVAR_REF == r0->operand[0].oprclass);
r1 = maketriple(OC_PARAMETER);
r1->operand[0] = put_str(r0->operand[0].oprval.vref->mvname.addr, r0->operand[0].oprval.vref->mvname.len);
r1->operand[1] = a->oprval.tref->operand[1];
a->oprval.tref->operand[1] = put_tref (r1);
dqins (a->oprval.tref->exorder.fl, exorder, r1);
} else
{
assert(OC_VAR == a->oprval.tref->opcode);
r0 = newtriple(OC_FNQUERY);
r0->operand[0] = put_ilit (3);
r0->operand[1] = put_tref(newtriple(OC_PARAMETER));
r0->operand[1].oprval.tref->operand[0] = put_str(a->oprval.tref->operand[0].oprval.vref->mvname.addr,
a->oprval.tref->operand[0].oprval.vref->mvname.len);
r1 = r0->operand[1].oprval.tref;
r1->operand[1] = *a;
*a = put_tref (r0);
}
} else
{
r = maketriple(op);
switch (TREF(window_token))
{
case TK_CIRCUMFLEX:
if (!gvn())
return FALSE;
r->opcode = OC_GVQUERY;
ins_triple(r);
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 (!indirection(&(r->operand[0])))
{
setcurtchain(oldchain);
return FALSE;
}
r->operand[1] = put_ilit((mint)indir_fnquery);
ins_triple(r);
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
{
if (!indirection(&(r->operand[0])))
return FALSE;
r->operand[1] = put_ilit((mint)indir_fnquery);
ins_triple(r);
}
r->opcode = OC_INDFUN;
break;
default:
stx_error(ERR_VAREXPECTED);
return FALSE;
}
*a = put_tref(r);
}
return TRUE;
}