precedence grammar parser

优先文法分析程序

English-Chinese computer dictionary (英汉计算机词汇大词典). 2013.

Look at other dictionaries:

  • 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[1]) that no production has either an empty right hand side or two… …   Wikipedia

  • Simple precedence grammar — A simple precedence grammar is a context free formal grammar that can be parsed with a simple precedence parser. TOC =Formal definition=G = ( N , Sigma;, P , S ) is a simple precedence grammar if all the production rules in P comply with the… …   Wikipedia

  • Parser Grammar Engine — The Parser Grammar Engine (originally Parrot Grammar Engine) or PGE is a compiler and runtime for a Perl 6 rules for the Parrot virtual machine. [cite web | url=http://search.cpan.org/ ltoetsch/parrot 0.2.2/compilers/pge/README | title=Parrot… …   Wikipedia

  • Parser Grammar Engine — Moteur d analyse de grammaire Pour les articles homonymes, voir PGE. Le Parser Grammar Engine (PGE ou en français, moteur d analyse de grammaire) est un compilateur et un moteur d exécution pour les regex Perl 6 pour la machine virtuelle… …   Wikipédia en Français

  • Operator-precedence parser — 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 with order of operations format… …   Wikipedia

  • Simple precedence parser — In computer science, a Simple precedence parser is a type of bottom up parser for context free grammars that can be used only by Simple precedence grammars.The implementation of the parser is quite similar to the generic bottom up parser. A stack …   Wikipedia

  • Wirth-Weber precedence relationship — The Wirth Weber relationship between a pair of symbols (V t cup V n) is necessary to determine if a formal grammar is a Simple precedence grammar, and in such case the Simple precedence parser can be used. The goal is to identify the when the… …   Wikipedia

  • Parsing expression grammar — A parsing expression grammar, or PEG, is a type of analytic formal grammar that describes a formal language in terms of a set of rules for recognizing strings in the language. A parsing expression grammar essentially represents a recursive… …   Wikipedia

  • Stochastic context-free grammar — A stochastic context free grammar (SCFG; also probabilistic context free grammar, PCFG) is a context free grammar in which each production is augmented with a probability. The probability of a derivation (parse) is then the product of the… …   Wikipedia

  • Ambiguous grammar — In computer science, a grammar is said to be an ambiguous grammar if there is some string that it can generate in more than one way (i.e., the string has more than one parse tree or more than one leftmost derivation). A language is inherently… …   Wikipedia

  • Parsing — In computer science and linguistics, parsing, or, more formally, syntactic analysis, is the process of analyzing a sequence of tokens to determine their grammatical structure with respect to a given (more or less) formal grammar.Parsing is also… …   Wikipedia

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