Formal languages

Operator-precedence grammar

An operator precedence grammar is a kind of grammar for formal languages. Technically, an operator precedence grammar is a context-free grammar that has the property (among others)that no production has either an empty right-hand side or two adjacent nonterminals in itsright-hand side. These properties allow precedence relations to bedefined between the terminals of the grammar. A parser that exploits these relations is considerably simpler than more general-purpose parsers such as LALR parsers. Operator-precedence parsers can be constructed for a large class of context-free grammars. (Wikipedia).

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Related pages

Directed acyclic graph | Relation (mathematics) | Formal grammar | Graph (discrete mathematics) | Operator-precedence parser | Formal language | LALR parser | Deterministic context-free language | Bottom-up parsing | Context-free grammar