Java Reference
In-Depth Information
Program
Program
Program
begin Stmts end
$
begin Stmts end
$
begin Stmts end
$
Stmt
;
Stmts
Stmt
;
Stmts
Stmt
;
Stmts
simplestmt
Stmt
simplestmt
Stmt
simplestmt
Stmt
;
Stmts
;
Stmts
;
Stmts
simplestmt
simplestmt
simplestmt
(a)
(b)
(c)
Program
Program
Program
begin Stmts end
$
begin Stmts end
$
begin Stmts end
$
Stmt
;
Stmts
Stmt
;
Stmts
Stmt
;
Stmts
simplestmt
Stmt
simplestmt
Stmt
simplestmt
Stmt
;
Stmts
;
Stmts
;
Stmts
simplestmt
simplestmt
simplestmt
(d)
(e)
(f)
Figure 4.5: Parse of “begin simplestmt ; simplestmt ; end $” using
the top-down technique. Legend explained on page 126.
