fis-gtm/sr_port/m_trollback.c

50 lines
1.1 KiB
C

/****************************************************************
* *
* Copyright 2001, 2007 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 "indir_enum.h"
#include "opcode.h"
#include "toktyp.h"
#include "cmd.h"
GBLREF char window_token;
GBLREF mval window_mval;
int m_trollback(void)
{
triple *ref;
oprtype x;
if (TK_SPACE == window_token || TK_EOL == window_token)
{
ref = newtriple(OC_TROLLBACK);
ref->operand[0] = put_ilit(0);
return TRUE;
} else
{
switch (intexpr(&x))
{
case EXPR_FAIL:
return FALSE;
case EXPR_GOOD:
ref = newtriple(OC_TROLLBACK);
ref->operand[0] = x;
return TRUE;
case EXPR_INDR:
make_commarg(&x,indir_trollback);
return TRUE;
}
}
return FALSE; /* This should never get executed, added to make compiler happy */
}