Language_binding
Language binding
Software library that allows using another library coded in another programming language
In programming and software design, binding is an application programming interface (API) that provides glue code specifically made to allow a programming language to use a foreign library or operating system service (one that is not native to that language).
Binding generally refers to a mapping of one thing to another. In the context of software libraries, bindings are wrapper libraries that bridge two programming languages, so that a library written for one language can be used in another language.[1] Many software libraries are written in system programming languages such as C or C++. To use such libraries from another language, usually of higher-level, such as Java, Common Lisp, Scheme, Python, or Lua, a binding to the library must be created in that language, possibly requiring recompiling the language's code, depending on the amount of modification needed.[2] However, most languages offer a foreign function interface, such as Python's and OCaml's ctypes
, and Embeddable Common Lisp's cffi
and uffi
.[3][4][5]
For example, Python bindings are used when an extant C library, written for some purpose, is to be used from Python. Another example is libsvn
which is written in C to provide an API to access the Subversion software repository. To access Subversion from within Java code, libsvnjavahl
can be used, which depends on libsvn
being installed and acts as a bridge between the language Java and libsvn
, thus providing an API that invokes functions from libsvn
to do the work.[6]
Major motives to create library bindings include software reuse, to reduce reimplementing a library in several languages, and the difficulty of implementing some algorithms efficiently in some high-level languages.
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Object models
- Common Object Request Broker Architecture (CORBA) – cross-platform-language model
- Component Object Model (COM) – Microsoft Windows only cross-language model
- Distributed Component Object Model (DCOM) – extension enabling COM to work over networks
- Cross Platform Component Object Model (XPCOM) – Mozilla applications cross-platform model
- Common Language Infrastructure – .NET Framework cross-platform-language model
- Freedesktop.org D-Bus – open cross-platform-language model
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Virtual machines
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- Portable object – cross-platform-language object model definition
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- Application programming interface (API)
- Application binary interface (ABI)
- Calling convention
- Embedded SQL
- Name mangling
- Simplified Wrapper and Interface Generator (SWIG) – interface binding generator from many languages to many languages, open-source
- Wrapper function
- "Appendix A. Creating a language binding for cairo". Cairographics.org. Retrieved 2014-04-02.
- "Standards, APIs, Interfaces and Bindings". Acm.org. Archived from the original on 2015-01-16. Retrieved 2014-04-02.
- "ctypes – A foreign function library for Python". Python v3.8.3 documentation. Docs.python.org. Retrieved 2020-06-04.
- Hickey, Jason; Madhavapeddy, Anil; Minsky, Yaron (2013). "Real Worl OCaml, Chapter 19. Foreign Function Interface". realworldocaml.org. Retrieved 2015-07-19.
- "Introduction – CFFI User Manual". Common-lisp.net. Retrieved 2014-04-02.
- "Subversion JavaHL FAQ". Subclipse.tigris.org. 2013-06-18. Retrieved 2014-04-02.
- JTC1/SC22/WG11 - Binding Techniques, an ISO standard for language bindings
- What is a language binding?
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