rebasing lexer on dev

src/lexer/lexer.c

@@ -27,7 +27,6 @@ static void update_current_token(struct token *tok)
 /* @brief: frees the last token and sets it to [tok].
  *        Also sets current_token to NULL.
  *        this function is called by token_pop().
- *
  */
 static void update_last_token(struct token *tok)
 {

src/lexer/lexer.h

@@ -45,6 +45,7 @@ struct token
  * @brief: returns the next (newly allocated) token without consuming it.
  *         if end of input is reached, enters in EOF looping node,
  *         returning only the same token of type TOKEN_EOF.
+ *         if end of input is reached, returns a token of type TOKEN_EOF.
  */
 struct token *peek_token(void);