Top down parser

Question

Comment on Statement:
Operator precedence parser is a SR parser. :

Thoughts:
Though it uses Stack to evaluate input string is it this the reason we can call it as shift reduce or something else or we can`t call it SR parser?

Comments

1. operator precedence parser is a SR parser but may be some other reason also
2. An operator-precedence parser is a simple shift-reduce parser that is capable of parsing a subset of LR(1) grammars. More precisely, the operator-precedence parser can parse all LR(1) grammars where two consecutive nonterminals and epsilon never appear in the right-hand side of any rule.