compilation_steps tutorial

for Yacc :

1. First compile Lex Programme
   // lex programname.l
 
 2 Compile yacc program
  // yacc -d programname.y
  
 3 enter command ls you will get two files 
   3.1 y.tab.c and  lex.yy.c
   3.2 compile both
      // cc lex.yy.c y.tab.c -w
  4 Enter ls command a.out will be generated
  5 for out put enter ./a.out
  
  
  
  
For Normal Lex program :

1. //lex programname.l
2 //lex.yy.x
3 ./a.out