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https://github.com/digego/extempore

A cyber-physical programming environment
https://github.com/digego/extempore

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A cyber-physical programming environment

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# Extempore ![Build & test](https://github.com/digego/extempore/workflows/Build%20&%20run%20tests/badge.svg?branch=master) ![Release](https://github.com/digego/extempore/workflows/Release/badge.svg)



A programming environment for cyberphysical programming (Linux/macOS/Windows).



**Note**: Extempore is not yet compatible with Apple Silicon.



## Getting started



### The easy way



Download [VSCode](https://code.visualstudio.com/), install the Extempore

extension and then use the _Extempore: Download binary_ command to do the rest.



**Note**: Extempore's binary releases are [built

automatically](https://github.com/digego/extempore/actions?query=workflow%3ARelease)

for Windows, macOS and Linux (Linux release are built on Ubuntu, on other

distros YMMV).



For more details, head to the [Quickstart

page](https://extemporelang.github.io/docs/overview/quickstart/) in Extempore's

online docs.



### The _slightly_ harder way (for those who don't want to use VSCode)



Download the latest [binary

release](https://github.com/digego/extempore/releases) for your platform, unzip

it and run `extempore` (`extempore.exe` on Windows) from inside the `extempore`

folder.



Then, [set up your text editor of

choice](https://extemporelang.github.io/docs/guides/editor-support/) and away

you go.



### Build from source



**For more information**, check out [BUILDING.md](./BUILDING.md).



Extempore's CMake build process downloads and build all the dependencies you

need (including LLVM). So, if you've got a C++ compiler, git and CMake, here are

some one-liner build commands:



On **Linux/macOS**:



    git clone https://github.com/digego/extempore && mkdir extempore/build && cd extempore/build && cmake -DASSETS=ON .. && make && sudo make install

    

On **Windows** (if you're using VS2019---adjust as necessary for your VS

version):



    git clone https://github.com/digego/extempore && mkdir extempore/build && cd extempore/build && cmake -G "Visual Studio 16 2019" -A x64 -DASSETS=ON .. && cmake --build . --target INSTALL --config Release



_Note:_ in the above one-liners the `ASSETS` build-time option (boolean, default

`OFF`) is set to `ON`. This will download the Extempore binary assets---required

for many of the examples, but adds a ~300MB download to build process. If you'd

rather not do that, and are happy with some of the examples not working, then

set `-DASSETS=OFF` instead.



## See Extempore in action



Check out these videos:



- [The Concert Programmer](https://www.youtube.com/watch?v=yY1FSsUV-8c)

- [Interactive, distributed, physics simulation](https://vimeo.com/126577281)

- [Programming in Time](https://www.youtube.com/watch?v=Sg2BjFQnr9s)

- [The Physics Playroom - interactive installation](https://vimeo.com/58239256)

- [An *old* Graphics Demo](https://vimeo.com/37293927)

- [A Programmer's Guide to Western Music](https://www.youtube.com/watch?v=xpSYWd_aIiI)

- [Ben's livecoding gig videos](https://benswift.me/livecoding/)



## Contributors



The Extempore core team is [Andrew Sorensen](https://github.com/digego) & [Ben

Swift](https://github.com/benswift). [Jim Kuhn](https://github.com/JimKuhn)

contributed significant performance improvements, which are not reflected in the

commit logs, but for which we are extremely grateful.  Many others have

contributed to Extempore's development ([see the full

list](https://github.com/digego/extempore/graphs/contributors)).



## Docs & Community



Extempore documentation can be found at 



You can also join the Extempore community:



- [Extempore Google group/mailing list](http://groups.google.com/group/extemporelang)

- [#extempore on chat.toplap.org](https://chat.toplap.org/home) (although not as

  well-monitored as the mailing list)



## Cite Extempore



- [Extempore: The design, implementation and application of a cyber-physical programming language](https://openresearch-repository.anu.edu.au/handle/1885/144603)

- [Systems level liveness with extempore](https://dl.acm.org/citation.cfm?id=3133858)



## Licence



Copyright (c) 2011-2020, Andrew Sorensen



All rights reserved.



Redistribution and use in source and binary forms, with or without 

modification, are permitted provided that the following conditions are met:



1. Redistributions of source code must retain the above copyright notice, 

   this list of conditions and the following disclaimer.



2. Redistributions in binary form must reproduce the above copyright notice,

   this list of conditions and the following disclaimer in the documentation 

   and/or other materials provided with the distribution.



Neither the name of the authors nor other contributors may be used to endorse

or promote products derived from this software without specific prior written 

permission.



THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 

AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 

IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 

ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 

LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 

CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 

SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 

INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 

CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 

ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 

POSSIBILITY OF SUCH DAMAGE.