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);
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