first commit for the cse504
First assignment working with string literal a bit left
Removing the redundant files
yyfilename working
Code working properly for all test cases except .e05
All tests checked using auto test shell script
All tests checked using auto test shell script added extra double quote condition
Adding all the files.
Added the default case.
Removed the code to retain just the file name.
Removed the conflicts
Now using yyleng
Removed the redundant code.
Removed the . files
Added the correct code for " inside filename
Added infrastructure for assig2 and removed flex
Added grammar for variable declaration
Added rules for class, event and function
Not wokring: added expressions
removed swap files