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Lemon is a parser generator, maintained as part of the SQLite project, that generates a look-ahead LR parser (LALR parser) in the programming language C from an input context-free grammar. The generator is quite simple, implemented in one C source file with another file used as a template for output. Lexical analysis is performed externally.
re2c is a free and open-source lexer generator for C, C++, D, Go, Haskell, Java, JavaScript, OCaml, Python, Rust, V and Zig. It compiles declarative regular expression specifications to deterministic finite automata .
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However, parser generators for context-free grammars often support the ability for user-written code to introduce limited amounts of context-sensitivity. (For example, upon encountering a variable declaration, user-written code could save the name and type of the variable into an external data structure, so that these could be checked against ...
The most common type of compiler-compiler is called a parser generator. [1] It handles only syntactic analysis . A formal description of a language is usually a grammar used as an input to a parser generator.
Free software is a logical subset of open source software. The section is designed to list software titles that the user can use without cost. Sadly, the terminology that we all use is a tad of a nightmare - and the cause of this debate. "Free software" is free, but not all free software titles are "free software".
Dwayne Richard Hipp (born April 9, 1961) is an American software developer and the primary author of SQLite as well as the Fossil SCM. [1] [2] He also authored the Lemon parser generator, and CVSTrac; the latter became the inspiration for Trac.
This is a list of free and open-source software (FOSS) packages, computer software licensed under free software licenses and open-source licenses. Software that fits the Free Software Definition may be more appropriately called free software ; the GNU project in particular objects to their works being referred to as open-source . [ 1 ]