SqueakJS

Author:

Freudenberg Bert1,Ingalls Dan H.H.2,Felgentreff Tim3,Pape Tobias3,Hirschfeld Robert3

Affiliation:

1. Communications Design Group, Potsdam, Germany

2. Communications Design Group, San Francisco, USA

3. Hasso Plattner Institute, University of Potsdam, Potsdam, Germany

Abstract

We report our experience in implementing SqueakJS, a bit-compatible implementation of Squeak/Smalltalk written in pure JavaScript. SqueakJS runs entirely in the Web browser with a virtual filesystem that can be directed to a server or client-side storage. Our implementation is notable for simplicity and performance gained through adaptation to the host object memory and deployment leverage gained through the Lively Web development environment. We present several novel techniques as well as performance measurements for the resulting virtual machine. Much of this experience is potentially relevant to preserving other dynamic language systems and making them available in a browser-based environment.

Publisher

Association for Computing Machinery (ACM)

Subject

Computer Graphics and Computer-Aided Design,Software

Reference19 articles.

1. C. F. Bolz A. Kuhn A. Lienhard N. D. Matsakis O. Nierstrasz L. Renggli A. Rigo and T. Verwaest . Back to the Future in One Week--Implementing a Smalltalk VM in PyPy. In phSelf-Sustaining Systems (S3) volume 5146 of phLecture Notes in Computer Science pages 123 -- 139 . Springer 2008 . 10.1007/978-3-540-89275-5_7 C. F. Bolz A. Kuhn A. Lienhard N. D. Matsakis O. Nierstrasz L. Renggli A. Rigo and T. Verwaest. Back to the Future in One Week--Implementing a Smalltalk VM in PyPy. In phSelf-Sustaining Systems (S3) volume 5146 of phLecture Notes in Computer Science pages 123--139. Springer 2008. 10.1007/978-3-540-89275-5_7

2. O'browser

3. Bootstrap Methods and their Application

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1. Test-driven development for generated portable Javascript apps;Science of Computer Programming;2018-09

2. Kanto: a multi-participant screen-sharing system for Etoys, Snap!, and GP;Proceedings of the 3rd ACM SIGPLAN International Workshop on Programming Experience;2017-10-22

3. smalltalkCI;Proceedings of the 11th edition of the International Workshop on Smalltalk Technologies;2016-08-23

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