CSC/ECE 517 Spring 2015 M1503 EDTS

Extending Developer Tools for Servo

Introduction

Rust

Rust is a general purpose, multi-paradigm, compiled programming language developed by Mozilla Research. It is designed to be a "safe, concurrent, practical language", supporting pure-functional, concurrent-actor, imperative-procedural, and object-oriented styles.<ref>http://en.wikipedia.org/wiki/Rust_%28programming_language%29</ref> Being a modern systems programming language focusing on safety and speed, it accomplishes these goals by being memory safe without using garbage collection.<ref>http://doc.rust-lang.org/nightly/intro.html</ref>

Servo

Servo is an experimental project to build a Web browser engine for a new generation of hardware: mobile devices, multi-core processors and high-performance GPUs. With Servo, we are rethinking the browser at every level of the technology stack — from input parsing to page layout to graphics rendering — to optimize for power efficiency and maximum parallelism. Servo builds on top of Rust to provide a secure and reliable foundation. Memory safety at the core of the platform ensures a high degree of assurance in the browser’s trusted computing base. Rust’s lightweight task mechanism also promises to allow fine-grained isolation between browser components, such as tabs and extensions, without the need for expensive runtime protection schemes, like operating system process isolation.<ref>https://www.mozilla.org/en-US/research/projects/</ref>

Background

Remote Developer Tools

Firefox supports remote developer tools - ie. communicating with an arbitrary server that implements a protocol for exposing information about web content. You can use the Firefox developer tools on your desktop to debug Web sites and Web apps running in other browsers or runtimes. The other browser might be on the same device as the tools themselves or on a different device, such as a phone connected over USB.

Servo implements a very basic developer tools server that currently supports executing JS remotely and investigating the DOM tree in the document inspector. We want to expand these capabilities by completing previous work that enables remote logging from web content, and add new capabilities to log HTTP requests and responses to allow for easier debugging of network-related problems in Servo.<ref>https://github.com/servo/servo/wiki/More-developer-tools-student-project</ref>

Reference

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