95 lines
2.1 KiB
C
95 lines
2.1 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 "subscript.h"
|
|
#include "advancewindow.h"
|
|
|
|
GBLREF char window_token;
|
|
|
|
int indirection(oprtype *a)
|
|
{
|
|
triple *ref,*next;
|
|
oprtype subs[MAX_INDSUBSCRIPTS];
|
|
oprtype x,*sb1,*sb2;
|
|
char c;
|
|
error_def(ERR_MAXNRSUBSCRIPTS);
|
|
error_def(ERR_RPARENMISSING);
|
|
error_def(ERR_LPARENMISSING);
|
|
DCL_THREADGBL_ACCESS;
|
|
|
|
SETUP_THREADGBL_ACCESS;
|
|
assert(window_token == TK_ATSIGN);
|
|
if (!(TREF(expr_depth))++)
|
|
TREF(expr_start) = TREF(expr_start_orig) = NULL;
|
|
advancewindow();
|
|
if (!expratom(a))
|
|
{
|
|
TREF(expr_depth) = 0;
|
|
return FALSE;
|
|
}
|
|
coerce(a,OCT_MVAL);
|
|
ex_tail(a);
|
|
if (!(--(TREF(expr_depth))))
|
|
TREF(shift_side_effects) = FALSE;
|
|
if (window_token == TK_ATSIGN)
|
|
{
|
|
advancewindow();
|
|
if (window_token != TK_LPAREN)
|
|
{
|
|
stx_error(ERR_LPARENMISSING);
|
|
return FALSE;
|
|
}
|
|
ref = maketriple(OC_INDNAME);
|
|
sb1 = sb2 = subs;
|
|
for (;;)
|
|
{
|
|
if (sb1 >= ARRAYTOP(subs))
|
|
{
|
|
stx_error(ERR_MAXNRSUBSCRIPTS);
|
|
return FALSE;
|
|
}
|
|
advancewindow();
|
|
if (!expr(sb1++))
|
|
return FALSE;
|
|
if ((c = window_token) == TK_RPAREN)
|
|
{
|
|
advancewindow();
|
|
break;
|
|
}
|
|
if (c != TK_COMMA)
|
|
{
|
|
stx_error(ERR_RPARENMISSING);
|
|
return FALSE;
|
|
}
|
|
}
|
|
/* store argument count...n args plus the name plus the dst*/
|
|
ref->operand[0] = put_ilit((mint)(sb1 - sb2) + 2);
|
|
ins_triple(ref);
|
|
next = newtriple(OC_PARAMETER);
|
|
next->operand[0] = *a;
|
|
ref->operand[1] = put_tref(next);
|
|
*a = put_tref(ref);
|
|
while (sb2 < sb1)
|
|
{
|
|
ref = newtriple(OC_PARAMETER);
|
|
next->operand[1] = put_tref(ref);
|
|
ref->operand[0] = *sb2++;
|
|
next = ref;
|
|
}
|
|
}
|
|
return TRUE;
|
|
|
|
}
|