In
computing
Computing is any goal-oriented activity requiring, benefiting from, or creating computer, computing machinery. It includes the study and experimentation of algorithmic processes, and the development of both computer hardware, hardware and softw ...
, CHILL (an acronym for
CCITT High Level Language) is a
procedural programming language
A programming language is a system of notation for writing computer programs.
Programming languages are described in terms of their Syntax (programming languages), syntax (form) and semantics (computer science), semantics (meaning), usually def ...
designed for use in
telecommunication
Telecommunication, often used in its plural form or abbreviated as telecom, is the transmission of information over a distance using electronic means, typically through cables, radio waves, or other communication technologies. These means of ...
switches (the hardware used inside telephone exchanges). The language is still used for
legacy system
Legacy or Legacies may refer to:
Arts and entertainment
Comics
* " Batman: Legacy", a 1996 Batman storyline
* '' DC Universe: Legacies'', a comic book series from DC Comics
* ''Legacy'', a 1999 quarterly series from Antarctic Press
* ''Legacy ...
s in some telecommunication companies and for
signal box programming.
The CHILL language is similar in size and complexity to the original
Ada language. The first specification of the CHILL language was published in 1980, a few years before Ada.
ITU provides a standard CHILL compiler.
A free CHILL compiler was bundled with
GCC up to version 2.95: however, it was removed from later versions. An
object-oriented version, called Object CHILL, was developed also.
is responsible for the CHILL standard, known as ITU-T Rec. Z.200. The equivalent
ISO
The International Organization for Standardization (ISO ; ; ) is an independent, non-governmental, international standard development organization composed of representatives from the national standards organizations of member countries.
Me ...
standard is ISO/IEC 9496:2003. (The text of the two documents is the same). In late 1999 CCITT stopped maintaining the CHILL standard.
CHILL was used in systems of Alcatel System 12 and Siemens
EWSD, for example.
See also
*
PLEX - Programming Language for Exchanges
*
Erlang - language from Ericsson originally designed for telecommunication switches
References
External links
ITU Z.200 standard page has freely downloadable CHILL spec
{{Authority control
Procedural programming languages
ITU-T recommendations
Legacy systems
Programming languages created in 1980
Programming languages with an ISO standard