out.txt

北京航空航天大学计算机系要求的编译器大作业。大概6000行代码。

1	int	int
1	ID	power
1	LParen	(
1	int	int
1	ID	a
1	RParen	)
2	LBrace	{
3	return	return
3	LParen	(
3	ID	a
3	MUL_OP	*
3	ID	a
3	RParen	)
3	SEMIC	;
4	RBrace	}
5	void	void
5	main	main
5	LParen	(
5	RParen	)
6	LBrace	{
7	int	int
7	ID	d
7	SEMIC	;
8	ID	d
8	ASSIGN	=
8	INTEGER	4
8	SEMIC	;
9	ID	d
9	ASSIGN	=
9	ID	power
9	LParen	(
9	ID	d
9	RParen	)
9	SEMIC	;
10	printf	printf
10	LParen	(
10	ID	d
10	RParen	)
10	SEMIC	;
11	RBrace	}