lexical analysis

lexical analysis
leksikos analizė statusas T sritis informatika apibrėžtis ↑Leksemų (vardų, bazinių žodžių, skaičių, keliais ženklais užrašytų operacijų ženklų) aptikimas programos, parašytos programavimo kalba, arba scenarijaus tekste ir jų kodavimas, kad toliau apdorojant tekstą jos būtų tiesiogiai (be analizės) atpažįstamos. Yra pirmoji, parengiamoji, ↑kompiliatoriaus, ↑transliatoriaus arba ↑interpretatoriaus veikimo fazė. Tos pačios teksto peržiūros metu gali vykti kartu su sintaksės analizės ir kitomis fazėmis. Bet ir tada pirmiausia randama leksema ir pateikiama sintaksės analizės komponentui. atitikmenys: angl. lexical analysis ryšiai: dar žiūrėkinterpretatorius dar žiūrėkkompiliatorius dar žiūrėkleksema dar žiūrėktransliatorius

Enciklopedinis kompiuterijos žodynas . . 2008.

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  • lexical analysis — noun (computing) A stage during the compilation of a program in which standard components of a statement are replaced by internal codes (tokens) which identify their meaning • • • Main Entry: ↑lexicon …   Useful english dictionary

  • Lexical analysis — In computer science, lexical analysis is the process of converting a sequence of characters into a sequence of tokens. Programs performing lexical analysis are called lexical analyzers or lexers. A lexer is often organized as separate scanner and …   Wikipedia

  • lexical analysis — noun The conversion of a stream of characters to a stream of meaningful tokens; normally to simplify parsing. While its often not difficult to identify tokens while parsing, having a separate stage for lexical analysis simplifies the structure of …   Wiktionary

  • Lexical analysis — …   Википедия

  • Analysis — (from Greek ἀνάλυσις , a breaking up ) is the process of breaking a complex topic or substance into smaller parts to gain a better understanding of it. The technique has been applied in the study of mathematics and logic since before Aristotle,… …   Wikipedia

  • lexical analyzer — noun A computer program that performs lexical analysis. Syn: lexer …   Wiktionary

  • Lexical functional grammar — (LFG) is a grammar framework in theoretical linguistics, a variety of generative grammar. The development of the theory was initiated by Joan Bresnan and Ronald Kaplan in the 1970s, in reaction to the direction research in the area of… …   Wikipedia

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  • Lexical density — In computational linguistics, lexical density constitutes the estimated measure of content per functional (grammatical) and lexical units (lexemes) in total. Specifically, this is a coefficient of the word type to token ratio of a text. The main… …   Wikipedia

  • Conversation analysis — (commonly abbreviated as CA) is the study of talk in interaction (both verbal and non verbal in situations of everyday life). CA generally attempts to describe the orderliness, structure and sequential patterns of interaction, whether… …   Wikipedia

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