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The Servo Browser Engine
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bors-servo 2c259f477c auto merge of #4057 : jdm/servo/refcountdom, r=Ms2ger 
This replaces the specialized TrustedXHRAddress and TrustedWorkerAddress code that was used for the same purpose. A non-zero refcount pins the given DOM object's reflector and prevents it from being GCed even when there are no other outstanding references visible to SpiderMonkey. This will enable us to implement asynchronous operations that refer to particular DOM objects (such as "queue a task to fire a simple event named load at the iframe element" from the spec) safely and conveniently, and paves the way for things like asynchronous network responses.

Some concerns about the resulting size of XHR progress messages have been expressed, but I believe optimizations to reduce that can be implemented in subsequent PRs.

r? @Ms2ger - note in particular the changes to the worker lifetime code. I couldn't figure out how to achieve an identical lifetime to the previous addref/release pairing, and I also was having trouble figuring out why the existing setup was safe. The new implementation now holds the main script task Worker object alive via the TrustedWorkerAddress field in the dedicated worker global scope, which is a significant difference.
2014-12-29 11:57:45 -07:00
components auto merge of #4057 : jdm/servo/refcountdom, r=Ms2ger 2014-12-29 11:57:45 -07:00
etc Have 'mach doc' copy Rust documentation. 2014-12-02 21:48:52 -08:00
ports auto merge of #4467 : servo/servo/dataset, r=Ms2ger 2014-12-25 02:27:43 -07:00
python Add a test that wptrunner fails when it should. 2014-12-23 11:22:10 +01:00
resources compositing: Implement cursor per CSS3-UI § 8.1.1 in the CEF/Mac port. 2014-12-17 22:58:52 -08:00
support Add time as submodule - workaround for android cross compiling until next rustup. 2014-12-19 10:50:30 +10:00
tests Add support for named deleter 2014-12-29 12:58:48 -04:00
.gitignore Update PowerMeasure.py post-cargoify 2014-12-12 22:49:02 +01:00
.gitmodules Add time as submodule - workaround for android cross compiling until next rustup. 2014-12-19 10:50:30 +10:00
cargo-nightly-build Update cargo nightly to get android cross compile fix. Also add stub trait method to glutin port. 2014-12-19 09:43:08 +10:00
Cargo.toml Warn when Cargo is run directly. Fix #3957. 2014-12-02 18:03:39 -08:00
CONTRIBUTING.md Add a link to easy bugs 2014-05-14 17:36:38 +05:30
Info.plist Build an app bundle on OS X 2012-04-23 17:43:45 -07:00
LICENSE Add license 2013-04-03 18:37:29 -07:00
mach Cargoify servo 2014-09-08 20:21:42 -06:00
ORGANIZATION.md Rust upgrade to rustc hash b03a2755193cd756583bcf5831cf4545d75ecb8a 2014-11-13 11:17:43 +10:00
README.md Fix README.md: a tile size is used for 'painting'. 2014-12-08 14:05:51 +09:00
rust-snapshot-hash Update rustc to revision 3dcd2157403163789aaf21a9ab3c4d30a7c6494d. 2014-12-17 15:19:45 -05:00
servobuild.example Issue #3804 : Allow enabling debug-mozjs from servobuild config 2014-11-06 22:47:02 -08:00

README.md

The Servo Parallel Browser Project

Servo is a prototype web browser engine written in the Rust language. It is currently developed on 64bit OS X, 64bit Linux, and Android.

Servo welcomes contribution from everyone. See CONTRIBUTING.md for help getting started.

Prerequisites

On OS X (homebrew):

brew install automake pkg-config python cmake
pip install virtualenv

On OS X (MacPorts):

sudo port install python27 py27-virtualenv cmake

On Debian-based Linuxes:

sudo apt-get install curl freeglut3-dev \
    libfreetype6-dev libgl1-mesa-dri libglib2.0-dev xorg-dev \
    msttcorefonts gperf g++ cmake python-virtualenv \
    libssl-dev libbz2-dev

On Fedora:

sudo yum install curl freeglut-devel libtool gcc-c++ libXi-devel \
    freetype-devel mesa-libGL-devel glib2-devel libX11-devel libXrandr-devel gperf \
    fontconfig-devel cabextract ttmkfdir python python-virtualenv expat-devel \
    rpm-build openssl-devel cmake bzip2
pushd .
cd /tmp
wget http://corefonts.sourceforge.net/msttcorefonts-2.5-1.spec
rpmbuild -bb msttcorefonts-2.5-1.spec
sudo yum install $HOME/rpmbuild/RPMS/noarch/msttcorefonts-2.5-1.noarch.rpm
popd

On Arch Linux:

sudo pacman -S base-devel git python2 python2-virtualenv mesa ttf-font cmake bzip2

Cross-compilation for Android:

Pre-installed Android tools are needed. See wiki for details

The Rust compiler

Servo uses a snapshot Rust compiler to build itself. This is normally a specific revision of Rust upstream, but sometimes has a backported patch or two. If you'd like to know the snapshot revision of Rust which we use, see ./rust-snapshot-hash.

Building

Servo is built with Cargo, the Rust package manager. We also use Mozilla's Mach tools to orchestrate the build and other tasks.

Normal build

git clone https://github.com/servo/servo
cd servo
./mach build
./mach run tests/html/about-mozilla.html

Building for Android target

git clone https://github.com/servo/servo
cd servo
ANDROID_TOOLCHAIN=/path/to/toolchain ANDROID_NDK=/path/to/ndk PATH=$PATH:/path/to/toolchain/bin ./mach build --android
cd ports/android
ANDROID_SDK=/path/to/sdk make install

Rather than setting the ANDROID_* environment variables every time, you can also create a .servobuild file and then edit it to contain the correct paths to the Android SDK/NDK tools:

cp servobuild.example .servobuild
# edit .servobuild

Running

Commandline Arguments

  • -p INTERVAL turns on the profiler and dumps info to the console every INTERVAL seconds
  • -s SIZE sets the tile size for painting; defaults to 512
  • -z disables all graphical output; useful for running JS / layout tests

Keyboard Shortcuts

  • Ctrl-L opens a dialog to browse to a new URL (Mac only currently)
  • Ctrl-- zooms out
  • Ctrl-= zooms in
  • Backspace goes backwards in the history
  • Shift-Backspace goes forwards in the history
  • Esc exits servo

Developing

There are lots of mach commands you can use. You can list them with ./mach --help.