ArtsAutosBooksBusinessEducationEntertainmentFamilyFashionFoodGamesGenderHealthHolidaysHomeHubPagesPersonal FinancePetsPoliticsReligionSportsTechnologyTravel

Turbo Pascal Internals

Updated on April 27, 2011

Turbo Pascal History

Borland Turbo Pascal compiler is definitely one of the most successful Pascal implementations. It emerged in early 1980s on CP/M and PC platform and was a leading Pascal compiler until mid 1990s when its successor Delphi came as a RAD tool for Windows. Turbo Pascal had many advantages: it was a very fast compiler, had integrated development environment, generated quality executable code and used extended Pascal language syntax. This Pascal syntax is still used by almost all Pascal compilers today.

Turbo Pascal Internals

Because of this successful history many programmers wondered what lies beneath this compiler. Turbo Pascal compiler was originally developed by Anders Hejlsberg. This compiler was later sold to Borland where it was a huge commercial success. There are no publicly disclosed details about Turbo Pascal internals. With exception of the Turbo Pascal unit structure not much is known. There is one exception to this, the TPC16 compiler.

Turbo Pascal compiler written in Turbo Pascal

TPC16 is a Turbo Pascal compatible command line compiler written in Turbo Pascal. It uses the same syntax as Turbo Pascal 7.0 compiler, compiles the same source files and generates the same unit and executable files as Turbo Pascal 7.0. TPC16 compiler executable file can be downloaded for free, however, for anybody interested in Turbo Pascal internals the source code of TPC16 is also available.

TPC16 is a Turbo Pascal compiler written in Turbo Pascal. TPC16 source code shows all the internal data structures and algorithms used by the Turbo Pascal compiler. Of course, the original Turbo Pascal was probably not written in Pascal. But to understand Turbo Pascal internals this is not important since Pascal programming language is easy to read and TPC16 source code clearly reveals all the secrets of Turbo Pascal Compiler.

Practical Compiler Design

TPC16 source code can be used to understand Turbo Pascal internals, to learn about compiler design, to start with practical compiler construction or to design a totally new compiler. With this source code you get all the building blocks needed to design a successful compiler. From scanner, symbol table design, hash tables for fast search, parser, intermediate code representation, code generator, optimizing linker, etc. This is the best book on compiler design - source code of a working and successful compiler. If you are interested in compiler design, Turbo Pascal internals or just need a working compiler to start with, then TPC16 Pascal source code is an excellent resource.


Submit a Comment

No comments yet.


This website uses cookies

As a user in the EEA, your approval is needed on a few things. To provide a better website experience, uses cookies (and other similar technologies) and may collect, process, and share personal data. Please choose which areas of our service you consent to our doing so.

For more information on managing or withdrawing consents and how we handle data, visit our Privacy Policy at:

Show Details
HubPages Device IDThis is used to identify particular browsers or devices when the access the service, and is used for security reasons.
LoginThis is necessary to sign in to the HubPages Service.
Google RecaptchaThis is used to prevent bots and spam. (Privacy Policy)
AkismetThis is used to detect comment spam. (Privacy Policy)
HubPages Google AnalyticsThis is used to provide data on traffic to our website, all personally identifyable data is anonymized. (Privacy Policy)
HubPages Traffic PixelThis is used to collect data on traffic to articles and other pages on our site. Unless you are signed in to a HubPages account, all personally identifiable information is anonymized.
Amazon Web ServicesThis is a cloud services platform that we used to host our service. (Privacy Policy)
CloudflareThis is a cloud CDN service that we use to efficiently deliver files required for our service to operate such as javascript, cascading style sheets, images, and videos. (Privacy Policy)
Google Hosted LibrariesJavascript software libraries such as jQuery are loaded at endpoints on the or domains, for performance and efficiency reasons. (Privacy Policy)
Google Custom SearchThis is feature allows you to search the site. (Privacy Policy)
Google MapsSome articles have Google Maps embedded in them. (Privacy Policy)
Google ChartsThis is used to display charts and graphs on articles and the author center. (Privacy Policy)
Google AdSense Host APIThis service allows you to sign up for or associate a Google AdSense account with HubPages, so that you can earn money from ads on your articles. No data is shared unless you engage with this feature. (Privacy Policy)
Google YouTubeSome articles have YouTube videos embedded in them. (Privacy Policy)
VimeoSome articles have Vimeo videos embedded in them. (Privacy Policy)
PaypalThis is used for a registered author who enrolls in the HubPages Earnings program and requests to be paid via PayPal. No data is shared with Paypal unless you engage with this feature. (Privacy Policy)
Facebook LoginYou can use this to streamline signing up for, or signing in to your Hubpages account. No data is shared with Facebook unless you engage with this feature. (Privacy Policy)
MavenThis supports the Maven widget and search functionality. (Privacy Policy)
Google AdSenseThis is an ad network. (Privacy Policy)
Google DoubleClickGoogle provides ad serving technology and runs an ad network. (Privacy Policy)
Index ExchangeThis is an ad network. (Privacy Policy)
SovrnThis is an ad network. (Privacy Policy)
Facebook AdsThis is an ad network. (Privacy Policy)
Amazon Unified Ad MarketplaceThis is an ad network. (Privacy Policy)
AppNexusThis is an ad network. (Privacy Policy)
OpenxThis is an ad network. (Privacy Policy)
Rubicon ProjectThis is an ad network. (Privacy Policy)
TripleLiftThis is an ad network. (Privacy Policy)
Say MediaWe partner with Say Media to deliver ad campaigns on our sites. (Privacy Policy)
Remarketing PixelsWe may use remarketing pixels from advertising networks such as Google AdWords, Bing Ads, and Facebook in order to advertise the HubPages Service to people that have visited our sites.
Conversion Tracking PixelsWe may use conversion tracking pixels from advertising networks such as Google AdWords, Bing Ads, and Facebook in order to identify when an advertisement has successfully resulted in the desired action, such as signing up for the HubPages Service or publishing an article on the HubPages Service.
Author Google AnalyticsThis is used to provide traffic data and reports to the authors of articles on the HubPages Service. (Privacy Policy)
ComscoreComScore is a media measurement and analytics company providing marketing data and analytics to enterprises, media and advertising agencies, and publishers. Non-consent will result in ComScore only processing obfuscated personal data. (Privacy Policy)
Amazon Tracking PixelSome articles display amazon products as part of the Amazon Affiliate program, this pixel provides traffic statistics for those products (Privacy Policy)