fis-gtm/sr_port/f_length.c

39 lines
1.1 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 "compiler.h"
#include "opcode.h"
#include "toktyp.h"
#include "advancewindow.h"
int f_length(oprtype *a, opctype op)
{
triple *r;
DCL_THREADGBL_ACCESS;
SETUP_THREADGBL_ACCESS;
assert((OC_FNLENGTH == op) || (OC_FNZLENGTH == op));
r = maketriple(op);
if (EXPR_FAIL == expr(&(r->operand[0]), MUMPS_STR))
return FALSE;
if (TK_COMMA == TREF(window_token))
{
advancewindow();
r->opcode = (OC_FNLENGTH == op) ? OC_FNPOPULATION : OC_FNZPOPULATION; /* Not good information hiding */
if (EXPR_FAIL == expr(&(r->operand[1]), MUMPS_STR))
return FALSE;
}
ins_triple(r);
*a = put_tref(r);
return TRUE;
}