Shared Source Common Language Infrastructure: Difference between revisions

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{{Infobox software

| name = Shared Source Common Language Infrastructure (SSCLI)

| logo =

| logo_size =

| developer = [[Microsoft]]

| replaces =

| released = {{Start date and age|2002|03}}

| discontinued =

| latest release version = {{Start date and age|2006|03|23}}

| latest release date = 2.0

| latest preview version =

| latest preview date =

| repo = {{URL|https://github.com/SSCLI}}

| programming language = [[C Sharp (programming language)|C#]], [[JavaScript]], [[C++]], [[C (programming language)|C]]

| operating system =

| platform =

| genre = [[Software framework]]

| license = [[Microsoft Shared Source Common Language Infrastructure license]]

| website = {{URL|http://msdn.microsoft.com/msdnmag/issues/02/07/SharedSourceCLI/}}

}}

The '''Shared Source Common Language Infrastructure''' (SSCLI), previously codenamed '''Rotor''', is [[Microsoft]]'s [[shared source]] implementation of the [[Common Language Infrastructure|CLI]], the core of [[Microsoft .NET|.NET]]. Although the SSCLI is not suitable for commercial use due to its license, it does make it possible for [[programmer]]s to examine the implementation details of many .NET libraries and to create modified CLI versions. Microsoft provides the Shared Source CLI as a reference CLI implementation suitable for educational use.

==History==

Beginning in 2001, [[Microsoft]] announced they would release part of the [[.NET frameworkFramework]] infrastructure source code in [[Shared source]] through [[C Sharp (programming language)#Standardization|ECMA]], as part of the [[C Sharp (programming language)|C#]] and [[Common Language Infrastructure|CLI]] standardization process.<ref>{{cite web | url= http://ondotnet.com/pub/a/dotnet/2001/06/27/dotnet.html | title=Microsoft Plans Shared Source .NET | publisher= On .Net | quote= On Wednesday, Microsoft announced plans to release what amounts to a shared-source version of its .NET infrastructure for Windows and FreeBSD. Specifically, Microsoft says it has been working with the ECMA standards body and will release ECMA versions of the Common Language Infrastructure (CLI), a C# compiler, and an ECMAscript compiler. The CLI is similar to the Java virtual machine, in that it acts as a translator between the .NET infrastructure and other platforms. Program manager Dave Stutz says Redmond will work with Corel to develop the code | first1 =David | last1 = Sims | author2-link = Tim O'Reilly | first2 = Timonthy ‘Tim’ | last2 = O'Reilly | author3-link = Rael Dornfest | first3 = Rael | last3 = Dornfest | date = 2001-06-27 | accessdate = 2009-09-27}}</ref>

In March 2002, Microsoft released version 1.0 of the '''Shared Source Common Language Infrastructure''', also called '''Rotor'''.<ref>{{cite web | url= http://ondotnet.com/pub/a/dotnet/2002/03/04/rotor.html | title = Uncovering Rotor — A Shared Source CLI | publisher = On .Net | first = Brian | last = Jepson | date = 2002-03-04 | accessdate = 2009-09-27}}</ref> The Shared Source CLI was initially pre-configured to run on [[Microsoft Windows|Windows]], but could also be built on [[FreeBSD]] (version 4.7 or newer), and [[Mac OS X]] 10.2. It was designed such that the only thing that needed to be customized to port the Shared Source CLI to a different platform was a thin [[Abstraction layer|Platform Abstraction Layer]] (PAL).

The last 2.0 version of SSCLI was released in March 2006,<ref>{{cite web | url= http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=8c09fd61-3f26-4555-ae17-3121b4f51d4d | title= Shared Source Common Language Infrastructure 2.0 Release | publisher= [[Microsoft]] | date= 2006-03-23 | accessdate = 2009-05-21}}</ref> and contains most of the classes and features of version 2.0 of the [[.NET Framework]].<ref>{{cite web | url= http://www.c-sharpcorner.com/UploadFile/kristoferkrause/GuidetoMSsharedSourceCLI11302005232759PM/GuidetoMSsharedSourceCLI.aspx | title=A Beginner's Guide to Microsoft's shared Source CLI (Rotor) | publisher = C# corner| last= Krause|first= Kristofer | date = 2003-05-13 | quote= Most of the .NET framework class libraries are present except for ADO.NET, Windows Forms, Web Forms, and Web Services. Either you or the Rotor community will have to implement these. On a less painful note, remoting, networking, and XML functionality (and source) are included | accessdate = 2008-10-05}}</ref> SSCLI 2.0 can be downloaded directly from Microsoft downloads and requires perl[[Perl]] and [[Visual Studio 2005]] running on [[Windows XP SP2]] to compile.<ref>{{cite web | url = http://www.microsoft.com/downloads/en/details.aspx?FamilyId=8C09FD61-3F26-4555-AE17-3121B4F51D4D&displaylang=en#SystemRequirements | title = SSCLI 2.0 System Requirements | website = [[Microsoft]] | date = 2006-03-23 | accessdate = 2011-05-29}}</ref> Microsoft has not updated the source and build requirements since 2006. Even [[Microsoft Most Valuable Professional|Microsoft MVPs]], important part of Microsoft community ecosystem, complained about the lack of support for other Visual Studio versions and Operatingoperating Systemssystems.<ref>{{cite web | url= http://msmvps.com/blogs/gbarnett/archive/2008/12/08/shared-source-cli-aka-rotor-on-vista.aspx | title= Shared Source CLI (aka Rotor) on Vista | last= Barnett | first= Granville | date= 2008-12-08 | accessdate= 2009-05-21 | deadurlurl-status= yesdead | archiveurl= https://web.archive.org/web/20090101104145/http://msmvps.com/blogs/gbarnett/archive/2008/12/08/shared-source-cli-aka-rotor-on-vista.aspx | archivedate= 2009-01-01 | df= }}</ref> However, a non-official patch for [[Visual Studio 2008]]<ref>{{cite web | url= http://blogs.msdn.com/b/jeremykuhne/archive/2008/02/19/sscli-2-0-and-visual-studio-2008.aspx | title=SSCLI 2.0 and Visual Studio 2008 | last = Kuhne| first = Jeremy | date= 2008-02-19 | accessdate= 2009-05-21}}</ref> was provided by a Microsoft employee in the [[MSDN Blog]] and another for [[Visual Studio 2010]] was released by the community.<ref>{{cite web | url= http://callvirt.net/blog/post/SSCLI-20-Patch-for-VS-2010.aspx | title = SSCLI 2.0 Patch for VS 2010 | last= Pobar | first= Joel | date= 2010-04-27 | accessdate= 2009-05-21 | archive-date= 2010-05-13 | archive-url= https://web.archive.org/web/20100513012523/http://callvirt.net/blog/post/SSCLI-20-Patch-for-VS-2010.aspx | url-status= dead }}</ref>

Later versions of .NET, originally known as .NET Core and now referred to simply as .NET, have been open sourced under the more permissive [[MIT License|MIT license]].

==License==

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==See also==

* [[Microsoft and open source]]

* [[Common Language Runtime]]

* [[Portable.NET Core|.NET]]

* [[Mono (software)|Mono]]

* [[DotGNU]]

* [[Portable.NET]]

==References==

{{reflistReflist|2}}

==External links==

* [http://www.microsoft.com/downloads/details.aspx?FamilyID=8c09fd61-3f26-4555-ae17-3121b4f51d4d Shared Source Common Language Infrastructure 21.0 Release]: {{GitHub|SSCLI/sscli_20021101}}

* [http://www.microsoft.com/downloads/details.aspx?FamilyID=3a1c93fa-7462-47d0-8e56-8dd34c6292f0 Shared Source Common Language Infrastructure 12.0 Release]: {{GitHub|SSCLI/sscli20_20060311}}

* [http://www.microsoft.com/downloads/details.aspx?FamilyID=44d1ca59-081a-464e-8a8c-844b1df7d9f0 Shared Source Common Language Infrastructure; Beta 1 Release]

* [http://msdn.microsoft.com/msdnmag/issues/02/07/SharedSourceCLI/ Introduction to Shared Source CLI]

{{.NET}}

{{Common Language Infrastructure}}

[[Category:.NET Framework implementations|Shared Source Common Language Infrastructure]]

[[Category:2002 software]]

[[Category:Computing platforms]]