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GCC started out using Bison, but switched to a hand-written recursive-descent parser for C++ in 2004 (version 3.4), [13] and for C and Objective-C in 2006 (version 4.1) [14] The Go programming language (GC) used Bison, but switched to a hand-written scanner and parser in version 1.5. [15] LilyPond requires Bison to generate its parser. [16 ...
Flex (fast lexical analyzer generator) is a free and open-source software alternative to lex. [2] It is a computer program that generates lexical analyzers (also known as "scanners" or "lexers").
Yacc (Yet Another Compiler-Compiler) is a computer program for the Unix operating system developed by Stephen C. Johnson.It is a lookahead left-to-right rightmost derivation (LALR) parser generator, generating a LALR parser (the part of a compiler that tries to make syntactic sense of the source code) based on a formal grammar, written in a notation similar to Backus–Naur form (BNF). [1]
GNU Bison – Yacc-compatible parser generator program GNU C Library – GNU implementation of the standard C library Pages displaying short descriptions of redirect targets GNU Compiler Collection – Free and open-source compiler for various programming languages
GNU Bison – parser generator intended to replace yacc; GNU build system (autotools) – contains Autoconf, Automake, Autoheader, and Libtool; GNU Compiler Collection – optimizing compiler for many programming languages, including C, C++, Fortran, Ada, and Java; GNU Debugger (gdb) – an advanced debugger; GNU m4 – macro processor
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 ...
Bison: A parser generator that is part of the GNU Project. Bison converts a grammar description for a context-free grammar into source code for a C, C++ or Java parser. GNU GPL: Bzip2: A free and open source lossless data compression algorithm and program developed by Julian Seward. BSD-like License: Check: A unit testing framework for C. GNU ...
In May 2010, the GCC steering committee decided to allow use of a C++ compiler to compile GCC. [55] The compiler was intended to be written mostly in C plus a subset of features from C++. In particular, this was decided so that GCC's developers could use the destructors and generics features of C++.