LL(k) grammar is a formal grammar used in computer science for parsing, where 'LL' stands for Left-to-right scanning of the input and Leftmost derivation, and 'k' specifies the number of lookahead tokens needed to make parsing decisions. It is used in constructing top-down parsers, which are efficient for certain classes of languages but can be limited by the need for a fixed number of lookahead tokens.

LL(k) Grammar

LL(k) grammar

Formal grammar is a set of rules for generating strings in a formal language, often used to describe the syntax of programming languages and natural languages. It provides a structured framework for understanding language structure, enabling the precise analysis and generation of valid sentences within a language system.

formal grammar

Computer science is the study of algorithmic processes, computational machines, and computation itself, which underpins the development of software and systems that drive modern technology. It encompasses a wide range of topics from theoretical foundations to practical applications, making it essential for innovation in various fields such as artificial intelligence, cybersecurity, and data science.

computer science

Parsing is the process of analyzing a sequence of symbols in a structured format, often used in programming to interpret and convert data into a more usable form. It is critical for understanding and executing code, as well as processing data formats like JSON, XML, and HTML.

parsing

Left-to-right scanning

Leftmost derivation is a method used in formal grammar to generate a string by expanding the leftmost non-terminal at each step. It is crucial in parsing, particularly in top-down parsing techniques, as it helps in determining the structure of a given input string according to a grammar's rules.

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