a
>
)
Construction of Precedence
T
able 4/5
4
)
Parentheses
:
•
A pair of parentheses:
•
Let
a
Î
T
– {
)
,
$
}. Then,
•
Let
a
Î
T
– {
(
,
$
}. Then,
•
Let
a
Î
T
and
a
may
precede
(
. Then,
•
Let
a
Î
T
and
a
may
follow
)
. Then,
(
<
a
a
<
(
)
>
a
+
*
(
)
i
$
+
*
(
)
i
$
>
<
>
<
<
<
<
<
>
>
>
>
=
<
>
1
1
/42
Example
:
Precedence-table
part
for
parentheses.
(
=
)
$
(
i
+
(
(
i
*
(
i
+
(
i + i
)))))
$
,
(
,
*
,
+
may precede
(
(((((
i + i
)
+
i
)
*
i
)
)
+
i
)
$
+
,
*
,
)
,
$
may follow
)