Compiler	design	lab	manual	cs6612
  28-06-2018,	05:50	PM	#1					College	Name	:Varuvan	Vadivelan	Intitute	of	Technology	Department	:B.E.	–	CSE	Semester	:	III	Year	/	VI	Semester	Subject	Code	:CS6612	Subject	Name	:COMPILER	LABORATORY	Study	Material	Description	:	LIST	OF	EXPERIMENTS:	1.	Implementation	of	symbol	table.	2.	Develop	a	lexical	analyzer	to	recognize	a	few
  patterns	in	c	(ex.	Identifers,	constants,	comments,	operators	etc.)	3.	Implementation	of	lexical	analyzer	using	lex	tool.	4.	Generate	yacc	specification	for	a	few	syntatic	categories.					a)	Program	to	recognize	a	valid	arithmetic	expression	that	uses	operator	+,	-,	*	and	/.					b)	Program	to	recognize	a	valid	variable	which	starts	with	a	letter	followed	by
  any	number	of	letter	or	digits.					c)	Implementation	of	calculator	using	lex	and	yacc.	5.	Convert	the	bnf	rules	into	yacc	form	and	write	code	to	generate	abstract	syntax	tree.	6.	Implement	type	checking	7.	Implement	control	flow	analysis	and	data	flow	analysis.	8.	Implement	any	one	storage	allocation	strategies(heap,	stack,	static)	9.	Construction	of
  DAG	10.	Implement	the	back	end	of	the	compiler	which	takes	the	three	address	code	and	produces	the	8086nassembly	language	instructions								that	can	be	assembled	and	run	using	a	8086	assembler.	The	target	assembly	instructions	can	be	simple	move	,	add,							sub,	jump.	Also	simple	addressing	modes	are	used.	11.	Implementation	of	simple	code
  optimization	techniques	(constant	folding.	etc.)			COMPILER-LABORATORY.pdf	(Size:	851.63	KB	/	Downloads:	14,023)	You're	Reading	a	Free	Preview	Pages	8	to	19	are	not	shown	in	this	preview.	You're	Reading	a	Free	Preview	Pages	24	to	29	are	not	shown	in	this	preview.	You're	Reading	a	Free	Preview	Pages	9	to	17	are	not	shown	in	this	preview.
  You're	Reading	a	Free	Preview	Pages	24	to	25	are	not	shown	in	this	preview.	You're	Reading	a	Free	Preview	Pages	29	to	30	are	not	shown	in	this	preview.	You're	Reading	a	Free	Preview	Pages	34	to	37	are	not	shown	in	this	preview.	You're	Reading	a	Free	Preview	Pages	41	to	57	are	not	shown	in	this	preview.	CS6612	COMPILER	LAB	Manual	Anna
  University	Regulation	2013	Computer	Science	&	Engineering	(CSE)	CS6612	COMPILER	LAB	Manual	for	all	experiments	is	provided	below.	Download	link	for	IT	6th	SEM	CS6612	COMPILER	LABORATORY	Manual	is	listed	down	for	students	to	make	perfect	utilization	and	score	maximum	marks	with	our	study	materials.	Anna	University	Regulation
  2013	Computer	Science	&	Engineering	(CSE)	6th	SEM	CS6612	COMPILER	LAB-COMPILER	LABORATORY	Manual	CONSTRUCTION	OF	NFA	AIM:	To	write	a	program	for	constructing	an	NFA	from	given	regular	expression	using	C++.	ALGORITHM:	1.	Create	a	menu	for	getting	four	regular	expressions	input	as	choice.	2.	To	draw	NFA	for	a,	a/b	,ab
  ,a*	create	a	routine	for	each	regular	expression.	3.	For	converting	from	regular	expression	to	NFA,	certain	transition	had	been	made	based	on	choice	of	input	at	the	rumtime.	4.	Each	of	the	NFA	will	be	displayed	is	sequential	order.	PROGRAM:	#include	#include	#include	struct	node	{	char	start;	char	alp;	node	*nstate;
  }*p,*p1,*p2,*p3,*p4,*p5,*p6,*p7,*p8;	char	e=’e’;	void	disp();	void	re1()	{	p1=new(node);	p2=new(node);	p1->start=’0′;	p1->alp=’e’;	p1->nstate=p2;	p2->start=’1′;	p2->alp=’a’;	p2->nstate=NULL;	disp();	getch();	}	void	re2()	{	p1=new(node);	p2=new(node);	p3=new(node);	p4=new(node);	p5=new(node);	p6=new(node);	p7=new(node);
  p8=new(node);	CS6612	Compiler	Lab	Manual	with	all	experiments	–	Download	Here	If	you	require	any	other	notes/study	materials,	you	can	comment	in	the	below	section.	Related	Links	For	CS6612	Compiler	Lab	Syllabus	–	Click	here	Search	Terms	Anna	University	6th	SEM	IT	COMPILER	LAB	Manual	CS6612	COMPILER	LABORATORY	Manual	free
  download	Anna	University	IT	COMPILER	LAB	Manual	Regulation	2013	CS6612	Manual,	COMPILER	LAB	experiment	wise	Manual	–	IT	6th	Semester	Embed	Size	(px)	344	x	292429	x	357514	x	422599	x	4871.	IMPLEMENTATION	OF	SYMBOL	TABLEAIM:To	write	a	C	program	to	implementa	symbol	table.ALGORITHM:1)	Start	theprogram.2)	Get
  theinput	from	the	user	with	the	terminating	symbol	$.3)	Allocate	memory	for	the	variable	by	dynamic	memory	allocation	function.4)	If	the	next	character	of	the	symbol	is	an	operator	then	only	the	memory	is	allocated.5)	While	reading,	the	input	symbol	is	inserted	into	symbol	table	alongwith	its	memory	address.6)	The	steps	are	repeated	till	$	is
  reached.7)	To	reach	a	variable,	enter	the	variable	to	the	searched	and	symbol	table	has	been	checked	for	corresponding	variable,	the	variable	along	with	its	address	is	displayed	as	result.8)	Stop	the	program.PROGRAM:#include	#include#include#include#include#includevoid	main(){int	i=0,j=0,x=0,n,flag=0;void	*p,*add[5];char
  ch,srch,b[15],d[15],c;clrscr();printf("Expression	terminated	by	$	:	");while((c=getchar())!='$'){	b[i]=c;i++;}n=i-1;printf("Given	Expression	:	");i=0;while(iPage	2Embed	Size	(px)	344	x	292429	x	357514	x	422599	x	487Text	of	4	compiler	lab	-	Syntax	Ana	1.	COMPILER	ENGINEERINGLAB	#	4:	SYNTAX	ANALYSIS	(PARSING)	2.	LEXICAL	ANALYSIS
  SUMMARY	1.	Start	New	Token	2.	Read	1st	character	to	start	recognizing	its	typeaccording	to	the	algorithm	specified	in	3.	Slide	3	3.	Pass	its	Token	(Lexeme	Type)	and	Value	Attribute	send	to	Parser	4.	Repeat	Steps	(1-3)	5.	Repeat	Until	EndDepartment	of	Computer	Science	-10-14/3/12	2	Compiler	Engineering	Lab	3.	Start	New	TOKEN	Read	1st
  Character	If	is	Digit?TOKEN	=	NUMIf	is	Letter?Read	Following	CharactersIf	any	is	digit	or	_?TOKEN	=	IDIs	a	If	all	letters?Keyword?Is	RELOP?Is	2nd	TOKEN=TOKEN=KEYWOR	>,Page	3	Embed	Size	(px)	344	x	292429	x	357514	x	422599	x	487	PROGRAM	CODE	:	//	Code	Optmization	for	constant	folding	#include	#include	#include	#include	struct
  ConstFold	{	char	New_Str[10];	char	str[10];	}	Opt_Data[20];	void	ReadInput(char	Buffer[],FILE	*Out_file);	int	Gen_Token(char	str[],char	Tokens[][10]);	int	New_Index=0;	int	main()	{	FILE	*In_file,*Out_file;	char	Buffer[100],ch;	int	i=0;	In_file=fopen("code.txt","r");	Out_file=fopen("output.txt","w");	while(1)	{	ch=	fgetc(In_file);	i=0;	while(1)	{
  if(ch=='')	break;	Buffer[i++]	=	ch;	ch	=	fgetc(In_file);	if(ch==EOF)	break;	}	if(ch==EOF)	break;	Buffer[i]='\0';	ReadInput(Buffer,Out_file);	}	return	0;	fclose(In_file);	fclose(Out_file);	}	void	ReadInput(char	Buffer[],FILE	*Out_file)	{	char	temp[100],Token[10][10];	int	n,i,j,flag=0;	View	all	posts	by	Education
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