User:CyDeFect/Cuis Smalltalk
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Last edited by CyDeFect (talk | contribs) 5 months ago. (Update) |
 Cuis (Microcavia Australis) | |
Screenshot  | |
| Developer | Cuis Community, project lead: Juan Vuletich |
|---|---|
| First appeared | 2005 |
| Stable release | 6.2
/ December 30, 2023 |
| Implementation language | Smalltalk |
| OS | Windows, Linux, MacOS, others |
| License | MIT license |
| Website | cuis |
| Influenced by | |
| Smalltalk (Squeak Pharo) | |
| Influenced | |
| Squeak Pharo | |
Cuis is an open source dialect of the programming language Smalltalk. It shares its cross-platform virtual machine with Squeak, Pharo, and NewSpeak. Cuis programs produced on one platform run on all major Operating System and CPU architectures.
Introduction[edit]
Cuis began as a project to reduce the size of the Squeak 3.7 development image to make the IDE more comprehensible[1]. Complexity puts a limit to the level of understanding of the system a person might reach, and therefore limits the things that can be done with it. Reduction of complexity is an ideal which was enshrined in Design Principles Behind Smalltalk [2].
The invocation to reduce complexity has led to a continual pruning of code in the base development image even as more features are added. This pervasive influence has led over time to a significant divergence from siblings Squeak and Pharo, a measure of which is the number of classes in the base development image.
The number of classes is obtained by evaluating Smalltalk allClasses size in a code workspace.
| Cuis | Squeak | Pharo |
|---|---|---|
| Smalltalk-80 (236 Classes) | ||
| Squeak 1.1 (327 Classes) | ||
| Squeak 2.0 (509 Classes) | ||
| Squeak 3.0 (1545 Classes) | ||
| Cuis fork | Squeak 3.7 | Pharo fork |
| Cuis 1.0 (599 Classes) | Squeak 3.8 (2321 Classes) | Pharo 2.0 (3226 Classes) |
| Cuis 2.0 (644 Classes) | Squeak 4.4 (2511 Classes) | Pharo 3.0 (4020 Classes) |
| Cuis 3.0 (647 Classes) | Squeak 4.5 (2175 Classes) | Pharo 4.0 (4924 Classes) |
| Cuis 4.1 (655 Classes) | Squeak 5.0 (2244 Classes) | Pharo 5.0 (6170 Classes) |
| Cuis 4.2 (501 Classes) | Squeak 5.2 (2713 Classes) | Pharo 6.0 (6388 Classes) |
| Cuis 5.0 (480 Classes) | Pharo 7.0 (7867 Classes) | |
| Pharo 8.0 (9084 Classes) |
Cuis uses external version control systems. [3] Cuis was included in Comparative Programming Languages at Ryerson University [4]. Cuis shares advanced garbage collector features such as memory barriers with Squeak and Pharo[5][6] as well as the cross-platform evaluation simulator [7][8]. Cuis is used for satellite image processing [9]. The Cuis visual display is currently evolving toward scalable vector graphs with subpixel rendering [10]
History[edit]
| Version | Release date | Major features |
|---|---|---|
| Cuis 0 | September, 2004 | Etoys code removed from Morphic UI |
| Cuis 1.0 | April 26, 2007 | High Quality Fonts (later adapted by Squeak & Pharo) |
| Cuis 2.0 | Jan 4, 2010 | BlockClosures |
| Cuis 3.0 | January 14, 2011 | Modern Themes; Simplified UI Layout Algorithm |
| Cuis 4.0 | April 21, 2012 | Name Completion; Syntax Hilighting; Named Features as Code Packages autoload with requirements checking |
| Cuis 5.0 | November 11, 2016 | Support original and new 32 bit and 64 bit object image formats; TrueType Fonts; Scalable Graphic Containment Rendering |
See also[edit]
- "Special Issue on Smalltalk". Byte. 6 (8). McGraw-Hill. August 1981. Retrieved October 18, 2013.
- Ingalls, Dan (August 1981). "Design Principles Behind Smalltalk". Byte. 6 (8). McGraw-Hill. Retrieved November 11, 2011.
External links[edit]
- Free Online Smalltalk Books
- Cuis Smalltalk Development
- Cuis Tutorials
- A sampling of Cuis package/feature repositories
- Pharo Smalltalk
- Squeak Smalltalk
- OpenSmalltalk cross-platform virtual machine for Squeak, Pharo, Cuis, and Newspeak
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References[edit]
- ^ "A short history of Cuis"
- ^ "Design Principles Behind Smalltalk"
- ^ Hirschfeld, Robert; Reschke, Jakob (2018). Towards version control in object-based systems. Hasso Plattner Institut, Posdam Germany: Universitätsverlag Potsdam, 2018. p. 14. ISBN 386956430X.
- ^ "CPS506 - Comparative Programming Languages - Winter 2019"
- ^ "A low Overhead Per Object Write Barrier for Smalltalk"
- ^ Clément Béra, Eliot Miranda (June 2015). ""A Partial Read Barrier for Efficient Support of Live Object-oriented Programming"". "ISMM ’15 Proceedings of the 2015 International Symposium on Memory Management". Portland, OR, United States: ACM. pp. 93–104. doi:10.1145/2887746.2754186. hal-01152610.
- ^ "Two Decades of Smalltalk VM Development"
- ^ "Live VM Development through Simulation Tools"
- ^ "Satellogic hyperspectral cameras geometric and spectral processing software written in Cuis Smalltalk"
- ^ "Prefiltering Antialiasing for General Vector Graphics"
- ^ "Cuis Release Notes"