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Что (кто) такое lexeme - определение
UNIT OF LANGUAGE SUCH AS WORD OR MULTI-WORD EXPRESSION (E.G. "STEAM IRON"), UNDERSTOOD AS A SET OF INFLECTED FORMS AND NOT ONE PARTICULAR INFLECTED FORM, WITH A MEANING THAT CANNOT BE UNDERSTOOD FROM THE MEANINGS OF SEPARATE COMPONENTS
Lexemes; Lexemic; Word particle
Найдено результатов: 8
lexeme
<grammar> A minimal lexical unit of a language. {Lexical
analysis} converts strings in a language into a list of
lexemes. For a programming language these word-like pieces
would include keywords, identifiers, literals and
punctutation. The lexemes are then passed to the parser for
syntactic analysis.
(1996-04-06)
Lexeme
A lexeme () is a unit of lexical meaning that underlies a set of words that are related through inflection. It is a basic abstract unit of meaning,The Cambridge Encyclopedia of The English Language.
Compound (linguistics)
LEXEME THAT CONSISTS OF MORE THAN ONE STEM
Nominal compound; Compound noun and adjective; Compound word; Compound noun, adjective and verb; Compound words; Nominal composition; Noun compound; Word-compounding; Compound nouns; Compound nominal phrase; Compound preposition; Compound term; Nominal compositum; Compound Words; Compound (linguistics; Linguistic compounding; Parasynthetic compound; Word composition; Composed word; Composition (word); Composition (linguistics); Open compound; Spaced compound; Closed compound
In linguistics, a compound is a lexeme (less precisely, a word or sign) that consists of more than one stem. Compounding, composition or nominal composition is the process of word formation that creates compound lexemes.
lexer
COMPUTING PROCESS OF PARSING A SEQUENCE OF CHARACTERS INTO A SEQUENCE OF TOKENS
Lexical Analysis; Lexical analyzer; Token (parser); Lexer; Lexical token; Lexical analyser; Scanner (computing); Tokenize; Lexing; Tokenise; Tokenized; Tokenizing; Lexical parser; Tokenizer; Tokeniser; Tokenization (lexical analysis); Token splitting; Token scanner; Lexer generator; Lexer (computer science); Semicolon insertion; List of lexer generators; Lexical syntax; Lexeme (computer science); Automatic semicolon insertion; Lexers
lexical analysis
COMPUTING PROCESS OF PARSING A SEQUENCE OF CHARACTERS INTO A SEQUENCE OF TOKENS
Lexical Analysis; Lexical analyzer; Token (parser); Lexer; Lexical token; Lexical analyser; Scanner (computing); Tokenize; Lexing; Tokenise; Tokenized; Tokenizing; Lexical parser; Tokenizer; Tokeniser; Tokenization (lexical analysis); Token splitting; Token scanner; Lexer generator; Lexer (computer science); Semicolon insertion; List of lexer generators; Lexical syntax; Lexeme (computer science); Automatic semicolon insertion; Lexers
<programming> (Or "linear analysis", "scanning") The first
stage of processing a language. The stream of characters
making up the source program or other input is read one at a
time and grouped into lexemes (or "tokens") - word-like
pieces such as keywords, identifiers, literals and
punctutation. The lexemes are then passed to the parser.
["Compilers - Principles, Techniques and Tools", by Alfred
V. Aho, Ravi Sethi and Jeffrey D. Ullman, pp. 4-5 ]
(1995-04-05)
lexical analyser
COMPUTING PROCESS OF PARSING A SEQUENCE OF CHARACTERS INTO A SEQUENCE OF TOKENS
Lexical Analysis; Lexical analyzer; Token (parser); Lexer; Lexical token; Lexical analyser; Scanner (computing); Tokenize; Lexing; Tokenise; Tokenized; Tokenizing; Lexical parser; Tokenizer; Tokeniser; Tokenization (lexical analysis); Token splitting; Token scanner; Lexer generator; Lexer (computer science); Semicolon insertion; List of lexer generators; Lexical syntax; Lexeme (computer science); Automatic semicolon insertion; Lexers
<language> (Or "scanner") The initial input stage of a
language processor (e.g. a compiler), the part that performs
lexical analysis.
(1995-04-05)
Lexical analysis
COMPUTING PROCESS OF PARSING A SEQUENCE OF CHARACTERS INTO A SEQUENCE OF TOKENS
Lexical Analysis; Lexical analyzer; Token (parser); Lexer; Lexical token; Lexical analyser; Scanner (computing); Tokenize; Lexing; Tokenise; Tokenized; Tokenizing; Lexical parser; Tokenizer; Tokeniser; Tokenization (lexical analysis); Token splitting; Token scanner; Lexer generator; Lexer (computer science); Semicolon insertion; List of lexer generators; Lexical syntax; Lexeme (computer science); Automatic semicolon insertion; Lexers
In computer science, lexical analysis, lexing or tokenization is the process of converting a sequence of characters (such as in a computer program or web page) into a sequence of lexical tokens (strings with an assigned and thus identified meaning). A program that performs lexical analysis may be termed a lexer, tokenizer, or scanner, although scanner is also a term for the first stage of a lexer.
Википедия
Lexeme
A lexeme ( (listen)) is a unit of lexical meaning that underlies a set of words that are related through inflection. It is a basic abstract unit of meaning, a unit of morphological analysis in linguistics that roughly corresponds to a set of forms taken by a single root word. For example, in English, run, runs, ran and running are forms of the same lexeme, which can be represented as RUN.
One form, the lemma (or citation form), is chosen by convention as the canonical form of a lexeme. The lemma is the form used in dictionaries as an entry's headword. Other forms of a lexeme are often listed later in the entry if they are uncommon or irregularly inflected.
