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CC 2021
Tue 2 - Wed 3 March 2021 Online Conference
Wed 3 Mar 2021 10:30 - 10:45 at CC Virtual Room - Safety & Correctness Chair(s): Jan Vitek

Modern web programming involves coordinating interactions between browser clients and a server. Typically, the interactions in web-based distributed systems are informally described, making it hard to ensure correctness, especially communication safety, i.e. all endpoints progress without type errors or deadlocks, conforming to a specified protocol.

We present STScript, a toolchain that generates TypeScript APIs for communication-safe web development over WebSockets, and RouST, a new session type theory that supports multiparty communications with routing mechanisms. STScript provides developers with TypeScript APIs generated from a communication protocol specification based on RouST. The generated APIs build upon TypeScript concurrency practices, complement the event-driven style of programming in full-stack web development, and are compatible with the Node.js runtime for server-side endpoints and the React.js framework for browser-side endpoints.

RouST can express multiparty interactions routed via an intermediate participant. It supports peer-to-peer communication between browser-side endpoints by routing communication via the server in a way that avoids excessive serialisation. RouST guarantees communication safety for endpoint web applications written using STScript APIs.

We evaluate the expressiveness of STScript for modern web programming using several production-ready case studies deployed as web applications.

Wed 3 Mar
Times are displayed in time zone: Eastern Time (US & Canada) change

10:00 - 10:45
Safety & CorrectnessCC Research Papers at CC Virtual Room
Chair(s): Jan VitekNortheastern University / Czech Technical University
A Modern Compiler for the French Tax CodeArtifacts Evaluated – Reusable v1.1Results Reproduced v1.1Artifacts Available v1.1
CC Research Papers
Denis MerigouxInria, Raphaƫl MonatSorbonne University; CNRS; LIP6, Jonathan ProtzenkoMicrosoft Research
NSan: A Floating-Point Numerical Sanitizer
CC Research Papers
Clement CourbetGoogle Research
Communication-Safe Web Programming in TypeScript with Routed Multiparty Session TypesArtifacts Evaluated – Reusable v1.1Results Reproduced v1.1Artifacts Available v1.1
CC Research Papers
Anson MiuImperial College London; Bloomberg, Francisco FerreiraImperial College London, Nobuko YoshidaImperial College London, Fangyi ZhouImperial College London
Pre-print Media Attached