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Architecture of the Lazarus Component Library Interaction of class libraries and widgetsets in Lazarus and Free Pascal. Lazarus uses Free Pascal as its back-end compiler. As Free Pascal supports cross-compiling, Lazarus applications can be cross-compiled from Windows, Linux, or macOS to any of the supported Free Pascal compilation targets.
The Free Pascal Runtime Library, abbreviated RTL, is Free Pascal's runtime library. The RTL consists of a collection of units that provide components and classes for general programming tasks. It acts as a basis for Free Pascal 's Free Component Library (FCL) and the Lazarus Component Library (LCL).
Free Pascal is written in Object Pascal and assembly language, and self-compiled. HNSKY, Hallo Northern Sky is a free planetarium program for Windows and Linux. Since version 3.4.0 written & compiled with Lazarus/FPC. Lazarus: Free Pascal's affiliated Delphi-like software package for rapid development of graphical applications.
The LCL consists of a collection of units that provide components and classes especially for visual tasks. It is based on the Free Pascal libraries RTL and FCL.By binding platform-specific widgetsets it supports platform-sensitive software development for several operating systems including Android, Desktop Linux, Mac OS X and Windows.
Later, when Carlo Kok joined RemObjects, it was renamed RemObjects Pascal Script and is now being maintained by RemObjects Software. [6] A fork of Pascal Script is maintained in the sources of the Lazarus IDE. The Lazarus and Free Pascal teams ported PascalScript from Intel processors to additional architectures including PowerPC and ARM. [7]
Dev-Pascal is a Pascal IDE that was designed in Borland Delphi and which supports Free Pascal and GNU Pascal as backends. Lazarus is a free Delphi-like visual cross-platform IDE for rapid application development (RAD). Based on Free Pascal, Lazarus is available for numerous platforms including Linux, FreeBSD, macOS and Microsoft Windows.
Interaction of class libraries and widgetsets in Lazarus and Free Pascal. Widgetsets support platform-sensitive development with the Lazarus IDE system. They act as adapter libraries that provide an interface between a platform-independent sourcecode written in Free Pascal and platform-specific system functions. Thus they allow for development ...
Free Pascal is an open-source Pascal cross-platform cross-compiler that supports most of Delphi's Object Pascal code. Free Pascal also has its own language extensions, multiple compiler [language syntax] modes, and supports 18+ operating systems and 9+ processor architectures. [15] Lazarus is a cross-platform RAD IDE that uses the Free Pascal ...