All In One Compiler Project

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Project definition

Make a compiler for language described as follows:- Following is a valid sentence in a string, char and int operation based compiler. Generate its appropriate language description and compiler

Valid sentences in language :

• string s;
• string str = “Shyam”;
• string str = pqr + xyz;
• string str = “Shyam” + “Makwana”;
• char c;
• char c = ‘S’;
• int pos = pqr ? xyz;

Grammar for Compiler

START ->  EXPR SEMICOLON NEWLINE

EXPR  ->  'string' VARNAME STR 
       |  'char' VARNAME CHAR
       |  'int' VARNAME INT

STR   ->  ASSGN STR1 
       |  ε  
STR1  ->  VARNAME SOP VARNAME 
       |  "VALUESTR" STR2     
STR2  ->  SOP "VALUESTR" 
       |  ε                                 

CHAR  ->  ASSGN CHAR1                                	      
CHAR1 ->  'VALUECHAR'                                    

INT   ->  ASSGN INT1                                  	    	   
INT1  ->  VARNAME IOP VARNAME                     

ASSGN ->  '='
SOP   ->  '+' 
       | '-' 
       | '<->'
IOP   ->  '?'
 

Technologies used

HTML, Js, Ajax, bootstrap, jquery, NodeJS, Express

To Run locally

• clone the repo
• run npm install
• run npm start