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Both, Free Pascal and Lazarus, are highly cross-platform and can run on and compile for different systems, among them are GNU/Linux, Windows, MacOS, BSD.īut beside this historical excursion, what are the reasons that I use Free Pascal in my personal projects? Pascal focus on types
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But thanks to some Free Pascal enthusiasts, the Lazarus IDE was developed as a powerful RAD environment especially for Free Pascal. It consists of the language, the compiler and a runtime-library - but does not include the RAD-tools which made Delphi famous. Delphi runs only on Windows, but can compile programs for GNU/Linux, MacOS, Windows, iOS and Android, too.įree Pascal in contrast is a free, Open Source implementation of the Object Pascal language. Today there are two major implementations: Delphi, the official Turbo Pascal successor, and Free Pascal.ĭelphi is a commercial Rapid Application Development (RAD) environment, which consists of the Object Pascal language, a powerful and fast compiler, a large runtime-library (RTL) and a designer for crossplatform Graphical User Interfaces (GUI). Over time some object-oriented additions were added to the language by Apple and later by Borland, which has evolved into what we now call Object Pascal. One of the most favourite versions, which made Pascal one of the most well-known and widespread programming languages of the 80s and the early 90s, was Borlands Turbo Pascal 2. But unlike other languages, there were different Pascal dialects and compilers since the very beginning.
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Pascal was standardized as an ISO standard in the early 90s. As an example, the first version of Photoshop was made with Pascal.
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With the appearance of the Classic Mac OS, Pascal was the language of choice propagated by Apple for serious application development. It was used as a teaching language as well as a language for business applications. Pascal was initially developed in 1969 by Dr.
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And although it is in fact one of the older programming languages, it has greatly evolved into a modern, full featured language over the last decades. Some said it was because "Object Pascal" couldn't be trademarked, and so the renaming was an anti competitive measure.Pascal is considered by many programmers as an old language from the past. The renaming was said to be done mostly because "Pascal" equated too much to "old" in the market, according to Borland. Since Delphi is a registered trademark in many countries, most compatibles kept referring to the language as Object Pascal, even after Borland renamed it. The main aspect borrowed from Apple seems to be that Object instances are always implicit references.īorland calls the language Delphi language and thus the exact equivalent of Object Pascal is Delphi language not Delphi.
I don't know if there is a relation from the Turbo Pascal objects implementation to the Apple proposal. The object oriented Turbo Pascal versions were also referred to as Object Pascal as far as I know, though sometimes as "Pascal with Objects".
So a better question would be "What is the difference between Delphi and FreePascal?" Nowadays, Object Pascal is used loosely to refer to this family of related languages.Īs already said Object Pascal originates from a Apple standards proposal that never was ratified, and is still used for dialects that borrow from it. The only extant implementations of Object Pascal like languages that are in widespread use are Delphi and the languages that it inspired: FreePascal, Oxygene, DWS, etc. What's the difference between Object Pascal and Delphi?īut that's not really too meaningful since the original Object Pascal doesn't really exist in a distinct form any more. For the release of Delphi 6, Borland chose to rename their language as Delphi. So the language for the Delphi product was originally named Object Pascal.Īpple stopped developing Object Pascal and it was never standardised as had been originally intended. So Borland developed Delphi 1 and incorporated much of the Apple Object Pascal language. The object oriented features in Turbo Pascal were, rightly, considered not fit for purpose. The first version of Delphi was evolved from Turbo Pascal. Object Pascal was an object oriented extension of Pascal developed by Apple.
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