Shift reduce parsers are __________(a) Top down parser(b) Bottom up parser(c) Maybe both(d) None of the mentionedThe question was asked by my school principal while I was bunking the class.Origin of the question is Handle of Right sentinel Grammar in chapter Bottom Up Parsing of Compiler

Shift reduce parsers are __________(a) Top down parser(b) Bottom up pa

1.	Shift reduce parsers are __________(a) Top down parser(b) Bottom up parser(c) Maybe both(d) None of the mentionedThe question was asked by my school principal while I was bunking the class.Origin of the question is Handle of Right sentinel Grammar in chapter Bottom Up Parsing of Compiler
Answer» The correct OPTION is (b) Bottom up parser For explanation: This corresponds to starting at the LEAVES of the parse tree. It can be thought of a process of reducing the string in question to the START symbol of the grammar. Bottom-up parsing is ALSO known as shift-reduce parsing.

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