mcode.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。

	const	a	3	
	const	b	4	
	const	c	5	
	const	d	7	
	const	e	6	
	const	f	67	
	const	g	12	
	var	x	0	
	var	y	0	
	var	z	0	
	var	u	0	
	var	v	0	
	var	aa	0	
	var	bb	0	
	var	cc	0	
	var	ee	0	
	var	ff	0	
	var	gg	0	
	func	f1	int	
	vp	a	int	
	vp	b	int	
	vp	c	int	
	add	b	c	t0
	:=	a	t0	
	add	a	c	t1
	:=	b	t1	
	add	a	b	t2
	:=	c	t2	
	add	a	b	t3
	add	t3	c	t4
	return	t4		
	end	f1
		
	func	f2	void	
	vp	x	int	
	vp	y	int	
	vp	z	int	
	read	x		
	read	y		
	read	z		
	add	y	z	t5
	:=	x	t5	
	add	x	z	t6
	:=	y	t6	
	add	x	y	t7
	:=	z	t7	
	end	f1;这里是个问题
		
	func	f3	int	
	add	a	b	t8
	:=	x	t8	
	add	b	c	t9
	:=	y	t9	
	add	a	c	t10
	:=	z	t10	
	add	x	y	t11
	add	t11	z	t12
	return	t12		
	end	f3	
	
start				
	func	main		
	const	pp	12	
	const	qq	13	
	const	ss	14	
	var	ch	0	
	var	ww	0	
	var	i	0	
	read	ch		
	read	ww		
	add	qq	ss	t13
	add	ch	t13	t14
	mul	pp	t14	t15
	:=	ch	t15	
	add	qq	ss	t16
	add	ch	t16	t17
	div	ww	t17	t18
	:=	ww	t18	
	call	f3		
	:=	t19	f3	
	add	ww	t19	t20
	:=	ww	t20	
	write	call the function:	string	follow
	pv	pp		
	pv	qq		
	pv	ss		
	call	f1		
	:=	t21	f1	
	write	t21	express	
	pv	pp		
	pv	qq		
	pv	ss		
	call	f2		
L0				
	cmp	i	10	
	jnle	L1		
	add	i	1	t22
	:=	i	t22	
	write	the 	string	follow
	write	i	express	
	write	st time!\n	string	
	goto	L0		
L1				
	cmp	i	11	
	jequ	L2	L3	
L2				
	:=	i	10	
	goto	L4		
L3				
	:=	i	9	
	add	i	1	t23
	:=	i	t23	
L4				
	add	ch	1	t24
	:=	ch	t24	
	cmp	i	9	
	jequ	L5	L6	
L5				
	:=	i	11	
	goto	L7		
L6				
	:=	i	9	
L7				
	cmp	i	12	
	jge	L8	L9	
L8				
	write	Hello,World!	string	
	goto	L10		
L9				
	write	i	express	
L10				
	end	main