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393:) runs on the Clarion language. The IDE provides code generation facilities via a system of templates which allow programmers to describe the program from an abstract level higher than code statements. The generator then turns this higher level into code, which in turn is then compiled and linked using a normal
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compiler. Niels and his team were working on a new compiler technology at
Borland when Kahn decided to buy Wizard C, and name it Turbo C. Niels and several other developers left Borland and started JPI, where they continued to work on their compiler technology, named TopSpeed, which they bought from
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During this time the relationship between
Clarion Software and JPI grew closer, and on April 30, 1992, Clarion merged with JPI to form an entity which would eventually be named TopSpeed Corporation. Employees at the TopSpeed Development Centre in London went to work on CDD and resolved many of the
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If the templates are used to generate code, then programmers are able to inject their own code into the generated code to alter, or extend, the functions offered by the template layer. This process of embedding code can be done while viewing the surrounding generated code. This mixing of template
429:; the initial release included a screen designer, an interpreter, an editor, and a debugger. Initially it supported databases composed of DAT files which was Clarion’s proprietary ISAM file format. Bruce Barrington formed Barrington Systems and released version 1.0.
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The templates (from which the code is generated) are provided in source form and developers are free to create their own templates. Many templates have been written by various developers: some are offered as commercial add-ons, and some are free.
425:,) and a small team of developers. Barrington's goal was to create a language that would be compact and expressive, and would maximize the use of the memory-mapped screen of the IBM PC by creating a screen designer. Version 1 produced
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The first release of the
Clarion language was a DOS product named Clarion 1.0 and was first released in April 1986. Clarion was created by Bruce Barrington, one of the founders of healthcare firm "HBO & Company" (later acquired by
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In 1991 Barrington licensed compiler technology from a company named Jensen & Partners
International (JPI). JPI was founded in 1987 by Niels Jensen, who had earlier (1979 or 1981) been one of the founders of
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and linker. This generation layer is sometimes referred to as 4GL programming. Using the generation layer is optional. It is possible to create programs fully at the code level (
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As of August 2023, A Clarion 12 release is expected by the community, but so far there is no official comments on confirmed future features.
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code and generated code allows the template settings to be updated, and the code regenerated, without loss of the embedded code.
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Clarion is historically known as being one of the first 4GL computer programming tools, first developed in the 1980s.
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Clarion 11.1 is the current release, build 13788, which was released in
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Clarion products exist: Professional Edition, Enterprise Edition, and .NET.
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through the use of accelerated native database drivers, and
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was the marketing person who built
Borland around the $ 49
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106:Learn how and when to remove this message
533:Fourth-generation programming languages
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274:fourth-generation programming language
389:The Clarion development environment (
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328:comma-separated values
423:McKesson Corporation
356:Microsoft SQL Server
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286:programming language
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164:First appeared
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471:References
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338:(binary),
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96:July 2016
395:compiler
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270:Clarion
252:Website
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