What is drawback of operator precedence parsing?

Drawback of operator precedence parsing : 

• Difficult to find token from the operator precedence parsing.
• It is itself tenuous. One can't always be sure the parser accepts exactly the desired language.
• Only a small class of grammar can be using operator precedence techniques.

If You want to learn about the technology, computer science & engineering, web programming, freelancing, earning please click here :CSE SOLVE