Shift reduce parser | Compiler Construction

Last modified on November 18th, 2020 Download This Tutorial in PDF

Shift reduce parser performs two main operations;

  1. Shift
  2. Reduce

What is Shift?

Shift operation is used in shift-reduce parsing to push the current input symbol to the stack.

What is reduce?

Reduce operation is used in shift-reduce parsing to replace the symbols with non-terminal.

Example of Shift reduce parsing

Let’s begin with an example of CFG (Context-free grammar).

E-> E+E

E->0

E->1

Shift reduce parser Compiler Construction
Figure: Shift reduce parser Compiler Construction

Subscribe for Friendship

Latest posts by Prof. Fazal Rehman Shamil (see all)