GNAT

GNAT

Infobox Software
name = GNAT


caption = Ada source within GPS
developer = AdaCore and the GNU Project
latest_release_version = GNAT Pro 6.1.1 (2008-02-15) [http://www.adacore.com/2008/02/15/gnat-pro-611/] GNAT GPL 2008 (2008-06-11) GNAT GAP 2008 (2008-06-05)
operating_system = GNU/Linux,
Solaris/SPARC,
Microsoft Windows,
et al.
genre = Compiler
license = GPL-compatible MGPL
website = [http://www.adacore.com/home/gnatpro/ GNAT Pro] [http://libre.adacore.com/ GNAT GPL] [http://www.adacore.com/home/academia/gap/ GNAT GAP]

GNAT is a free-software compiler for the Ada programming language which forms part of the GNU Compiler Collection. It supports all versions of the language, i.e. Ada 2005, Ada 95 and Ada 83. Originally its name was an acronym that stood for "GNU NYU Ada Translator", but that name no longer applies. The front-end and run-time are written in Ada.

JGNAT is a GNAT version that compiles from the Ada programming language to Java bytecode.

History

The project started in 1992 when the United States Air Force awarded the New York University (NYU) a contract to build an open source compiler for Ada to help with the Ada 9X standardization process. The 3-million-dollar contract required the use of the GNU GPL for all developments, and assignment of copyright to the Free Software Foundation. The first official validation of GNAT happened in 1995.

In 1994 and 1996, the original authors of GNAT founded two sister companies, Ada Core Technologies in New York City and ACT-Europe in Paris, to provide continuing development and commercial support of GNAT. Both companies were integrated and renamed to AdaCore in 2004.

GNAT was initially released separately from the main GCC sources. On October 2, 2001 the GNAT sources were contributed to the GCC CVS repository. The last version to be released separately was GNAT 3.15p, based on GCC 2.8.1, on October 2, 2002. Starting with GCC 3.4, on major platforms the official GCC release is able to pass 100% of the ACATS Ada tests included in the GCC testsuite. In GCC 4.0, more exotic platforms are also able to pass 100% of ACATS.

License

The compiler is licensed under the terms of the GNU General Public License. The run-timeis licensed under either the GNU General Public License ("GNAT GPL Edition" from AdaCore), or the GNAT Modified General Public License (GCC, GNAT Pro). It is part of most major GNU/Linux or BSD distributions.

See also

* GCC
** GCJ
** gfortran
* PolyORB
* GNAT Programming Studio

Further reading

*cite book
author = Javier Miranda, Edmond Schonberg
title = GNAT: The GNU Ada Compiler
month = June
year = 2004
url = https://www2.adacore.com/gap-static/GNAT_Book/html/index.htm
accessdate = 2008-06-06
*cite conference
author = Edmond Schonberg, Bernard Banner
title = The GNAT project
year = 1994
booktitle = Proceedings of the conference on TRI-Ada '94
publisher = ACM
pages = 48–57
accessdate = 2008-06-07
doi = 10.1145/197694.197706
url = http://portal.acm.org/citation.cfm?id=197706

External links

* [http://cs.nyu.edu/cs/faculty/schonber/gnat.html History of the GNAT Project]
* [http://gcc.gnu.org/wiki/GNAT GNAT in the GCC wiki]
* [http://gnuada.sourceforge.net The GNU Ada Project] — more public versions of GNAT
* [http://www.ada-france.org/debian/debian-ada-policy.html Debian Ada Policy] — packaging of GNAT and other Ada programs in Debian
* [http://www.acm.org/sigs/sigada/education/pages/jgnat.html Write It in Ada — Run It on the Java Virtual Machine]


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  • GNAT — Ada Quelltext im GPS Basisdaten Entwickler …   Deutsch Wikipedia

  • GNAT — Código fuente de Ada, usando GPS Desarrollador AdaCore y GNU Project …   Wikipedia Español

  • GNAT — Тип Компилятор Разработчик AdaCore …   Википедия

  • Gnat — Gnat, n. [AS. gn[ae]t.] 1. (Zo[ o]l.) A blood sucking dipterous fly, of the genus {Culex}, undergoing a metamorphosis in water. The females have a proboscis armed with needlelike organs for penetrating the skin of animals. These are wanting in… …   The Collaborative International Dictionary of English

  • Gnat — (PronEng|næt, nat ) is a colloquial name for many small insects in the order Diptera and specifically within the suborder Nematocera. The males often assemble together in large mating swarms, particularly at dusk, called a ghost .Gnat larvae are… …   Wikipedia

  • GNAT — es un conocido compilador del lenguaje de programación Ada, basado en la infraestructura de compilación de GCC. Ha sido escrito casi por completo en el mismo Ada, e implementa todos los anexos del estándar, habiendo sido certificado de ello. GNAT …   Enciclopedia Universal

  • gnat — gnat(o) , gnat, gnatie elem. Maxilar, falcă . (< fr. gnath/o/ , gnathe, gnathie, cf. gr. gnathos) Trimis de blaurb, 13.09.2007. Sursa: MDN …   Dicționar Român

  • gnat — O.E. gnætt gnat, midge, mosquito, earlier gneat, used of various small, flying insects, from P.Gmc. *gnattaz (Cf. Low Ger. gnatte, Ger. Gnitze); perhaps lit. biting insect and related to gnaw. The gnatte is a litil fflye, and hatte culex..he… …   Etymology dictionary

  • gnat — {{/stl 13}}{{stl 8}}rz. mnż I, D. a, Mc. gnacie, pot. {{/stl 8}}{{stl 20}} {{/stl 20}}{{stl 12}}1. {{/stl 12}}{{stl 7}} kość : {{/stl 7}}{{stl 10}}Połamać gnaty na nartach. {{/stl 10}}{{stl 20}} {{/stl 20}}{{stl 12}}2. {{/stl 12}}{{stl 7}}… …   Langenscheidt Polski wyjaśnień

  • gnat — [nat] n. [ME < OE gnæt, akin to Ger dial. gnatze, LowG gnatte < IE * ghnedh < base * ghen > GNAW] 1. any of various small insects, esp. certain dipterous flies, which often bite 2. Brit. a mosquito strain at a gnat to hesitate or have …   English World dictionary

  • gnat|ty — «NAT ee», adjective, ti|er, ti|est. 1. infested with gnats. 2. resembling a gnat …   Useful english dictionary

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