QtScript is a scripting engine that has been part of the Qt

cross-platform In computing, cross-platform software (also called multi-platform software, platform-agnostic software, or platform-independent software) is computer software that is designed to work in several computing platforms. Some cross-platform software r ...

application framework In computer programming, an application framework consists of a software framework used by software developers to implement the standard structure of application software. Application frameworks became popular with the rise of graphical user int ...

since version 4.3.0. The

scripting language A scripting language or script language is a programming language that is used to manipulate, customize, and automate the facilities of an existing system. Scripting languages are usually interpreted at runtime rather than compiled. A scripting ...

is based on the

ECMAScript ECMAScript (; ES) is a JavaScript standard intended to ensure the interoperability of web pages across different browsers. It is standardized by Ecma International in the documenECMA-262 ECMAScript is commonly used for client-side scripting o ...

standard with a few extensions, such as QObject-style signal and slot connections. The library contains the engine, and a

C++ C++ (pronounced "C plus plus") is a high-level general-purpose programming language created by Danish computer scientist Bjarne Stroustrup as an extension of the C programming language, or "C with Classes". The language has expanded significan ...

API for evaluating QtScript code and exposing custom QObject-derived C++ classes to QtScript. The QtScript Binding Generator provides bindings for the Qt API to access directly from ECMAScript. QtScript and the binding generator are used for Amarok 2's scripting system. The current (as of Qt 4.7) implementation uses

JavaScriptCore WebKit is a browser engine developed by Apple and primarily used in its Safari web browser, as well as on the iOS and iPadOS version of any web browser. WebKit is also used by the BlackBerry Browser, PlayStation consoles beginning from the PS ...

and will not be further developed. The module is deprecated as of Qt 5.5.

Qt Script for Applications (QSA)

An earlier and unrelated scripting engine, called Qt Script for Applications (QSA), was shipped by Trolltech as a separate Qt-based library, dual-licensed under

GPL The GNU General Public License (GNU GPL or simply GPL) is a series of widely used free software licenses that guarantee end users the four freedoms to run, study, share, and modify the software. The license was the first copyleft for general u ...

and a commercial license. With the release of QtScript, QSA has been deprecated and reached its end of life in 2008.

References

External links

Qt: Making applications scriptable

QSA documentation (version 1.2.2)

Last working snapshot of QSA homepage from archive.org

QSA download directory
{{ECMAScript Free computer libraries JavaScript dialect engines Qt (software)