Lexical analyser

(Or “scanner”) The initial input stage of a language processor (e.g. a compiler), the part that performs lexical analysis.


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  • Lexical analysis

    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 […]

  • Lexical decision task

    noun 1. (psychol) an experimental task in which subjects have to decide as fast as possible whether a given letter string is a word

  • Lexical definition

    noun the meaning of a word in common usage by speakers of the language; dictionary definition

  • Lexical insertion

    noun 1. (generative grammar) the process in which actual morphemes of a language are substituted either for semantic material or for place-fillers in the course of a derivation of a sentence

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