Question: Write a recursive descent compiler for the following grammar, also removing left recursion in certain products. And write a lexical analyzer function yylex() using lex

Write a recursive descent compiler for the following grammar, also removing left recursion in certain products. And write a lexical analyzer function yylex() using lex which you can then call from your C program.

-> BEGIN END -> := | e -> ; | -> + | - | -> * | DIV | MOD | -> | | ( )

Here, represents any valid sequence of characters and digits starting with a character; and represents any valid integer literal. ^ is the exponentiation operator.

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