منابع مشابه
Weighted Operator Precedence Languages
In the last years renewed investigation of operator precedence languages (OPL) led to discover important properties thereof: OPL are closed with respect to all major operations, are characterized, besides the original grammar family, in terms of an automata family and an MSO logic; furthermore they significantly generalize the well-known visibly pushdown languages (VPL). In another area of rese...
متن کاملOperator Precedence ω-Languages
Recent literature extended the analysis of ω-languages from the regular ones to various classes of languages with “visible syntax structure”, such as visibly pushdown languages (VPLs). Operator precedence languages (OPLs), instead, were originally defined to support deterministic parsing and exhibit interesting relations with these classes of languages: OPLs strictly include VPLs, enjoy all rel...
متن کاملOperator Precedence \omega-languages
ω-languages are becoming more and more relevant nowadays when most applications are “ever-running”. Recent literature, mainly under the motivation of widening the application of model checking techniques, extended the analysis of these languages from the simple regular ones to various classes of languages with “visible syntax structure”, such as visibly pushdown languages (VPLs). Operator prece...
متن کاملHigher-order Operator Precedence Languages
Floyd’s Operator Precedence (OP) languages are a deterministic context-free family having many desirable properties. They are locally and parallely parsable, and languages having a compatible structure are closed under Boolean operations, concatenation and star; they properly include the family of Visibly Pushdown (or Input Driven) languages. OP languages are based on three relations between an...
متن کاملOperator Precedence Languages: Their Automata-Theoretic and Logic Characterization
Operator precedence languages were introduced half a century ago by Robert Floyd to support deterministic and efficient parsing of context-free languages. Recently, we renewed our interest in this class of languages thanks to a few distinguishing properties that make them attractive for exploiting various modern technologies. Precisely, their local parsability enables parallel and incremental p...
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ژورنال
عنوان ژورنال: Information and Computation
سال: 2020
ISSN: 0890-5401
DOI: 10.1016/j.ic.2020.104658