57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
|
/****************************************************************
|
||
|
|
* *
|
||
|
|
* Copyright 2001, 2010 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"
|
||
|
|
|
||
|
|
GBLREF char window_token;
|
||
|
|
|
||
|
|
/* Note this function compiler routine is used for all of $EXTRACT,
|
||
|
|
$ZEXTRACT, and $ZSUBSTR since the format of the call is identical
|
||
|
|
in all instances as the function is similar.
|
||
|
|
*/
|
||
|
|
int f_extract(oprtype *a, opctype op)
|
||
|
|
{
|
||
|
|
triple *first, *last, *r;
|
||
|
|
|
||
|
|
r = maketriple(op);
|
||
|
|
if (!strexpr(&(r->operand[0])))
|
||
|
|
return FALSE;
|
||
|
|
first = newtriple(OC_PARAMETER);
|
||
|
|
last = newtriple(OC_PARAMETER);
|
||
|
|
r->operand[1] = put_tref(first);
|
||
|
|
first->operand[1] = put_tref(last);
|
||
|
|
if (window_token != TK_COMMA)
|
||
|
|
{
|
||
|
|
first->operand[0] = put_ilit(1);
|
||
|
|
last->operand[0] = put_ilit((OC_FNZSUBSTR == op) ? MAXPOSINT4 : 1);
|
||
|
|
} else
|
||
|
|
{
|
||
|
|
advancewindow();
|
||
|
|
if (!intexpr(&(first->operand[0])))
|
||
|
|
return FALSE;
|
||
|
|
if (window_token != TK_COMMA)
|
||
|
|
last->operand[0] = (OC_FNZSUBSTR == op) ? put_ilit(MAXPOSINT4) : first->operand[0];
|
||
|
|
else
|
||
|
|
{
|
||
|
|
advancewindow();
|
||
|
|
if (!intexpr(&(last->operand[0])))
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
ins_triple(r);
|
||
|
|
*a = put_tref(r);
|
||
|
|
return TRUE;
|
||
|
|
}
|