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Operator-precedence parser

In computer science, an operator-precedence parser is a bottom-up parser that interprets an operator-precedence grammar. For example, most calculators use operator-precedence parsers to convert from the human-readable infix notation relying on order of operations to a format that is optimized for evaluation such as Reverse Polish notation (RPN).

Science, Relationship to other parsers & Pratt parsing

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Relationship to other parsers

Shift-reduce parserLR(1)NonterminalsEpsilonRun time
10 related topics

Pratt parsing

Vaughan PrattCGOLDouglas CrockfordJSLintRust
10 related topics

Alternative methods

FORTRAN IKnuth
2 related topics

Precedence climbing method

EBNF
1 related topics

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Relationship to other parsers

Precedence climbing method

Pratt parsing

Alternative methods

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Operator-precedence parser

Nodes38
Edges37
Triples10
Avg. degree1.95
Density0.052632
Components1

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Operator-precedence parser

Top relations

related to Relationship to other parsers · 7
Operator-precedence parser → An, First, Haskell, LR, More, Operator-precedence, Second
is a · 2
Operator-precedence parser → bottom-up parser that interprets an operator-precedence grammar, simple shift-reduce parser that is capable of parsing a subset of LR

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Important terminology

precedence parser operator-precedence parsing algorithm parsers expression token loop example operator entered operators recursive left lhs outer next infix climbing

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Operator-precedence parseris abottom-up parser that interprets an operator-precedence grammar0.90text
Operator-precedence parseris asimple shift-reduce parser that is capable of parsing a subset of LR0.90text
Reverse Polish notationinstance ofmost calculators use operator-precedence parsers to convert from the human-readable infix notation relying on order of operations to a format that is optimized for evaluation0.80text
Operator-precedence parserrelated to Relationship to other parsersAn0.60section
Operator-precedence parserrelated to Relationship to other parsersLR0.60section
Operator-precedence parserrelated to Relationship to other parsersMore0.60section
Operator-precedence parserrelated to Relationship to other parsersOperator-precedence0.60section
Operator-precedence parserrelated to Relationship to other parsersFirst0.60section
Operator-precedence parserrelated to Relationship to other parsersSecond0.60section
Operator-precedence parserrelated to Relationship to other parsersHaskell0.60section

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