HackerReposA FIELD GUIDE TO OPEN SOURCE
ProSponsor the shelf♧ 0
← Back to top all-time
mozilla
dxr
Python2012–2021
mozilla / dxr · Archived

dxr

DEPRECATED - Powerful search for large codebases

7Distinct people
7Mentions
0Explicit recommenders
814GitHub stars
REPOSITORY AT A GLANCE

What to know before exploring

What it is

DEPRECATED - Powerful search for large codebases

GitHub

Where it is used

No documented product use has been verified yet.

What people are saying

No recommendation phrase was found in the indexed comments.

No classified warning is attached to this page. Read the discussions before treating silence as approval.

Also in these discussions

No other repository is repeatedly linked in the same discussions.

This week on Hacker News

Nov 7–Nov 14 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/14/2026, 1:49:46 PM UTC.

No direct repository links were found in the indexed HN discussions over the past seven days. Older discussions are available below.

Mentions over time

HN mentions by year7 dated mentions

Observed mentions: 2012-09-19 15:16:39 UTC to 2021-12-08 18:34:57 UTC.

01232012-01-01 00:00:00 UTC to 2013-01-01 00:00:00 UTC (exclusive): 2 mentions; 0 submissions, 2 comments20122013-01-01 00:00:00 UTC to 2014-01-01 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 comments2014-01-01 00:00:00 UTC to 2015-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2015-01-01 00:00:00 UTC to 2016-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2016-01-01 00:00:00 UTC to 2017-01-01 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 comments20162017-01-01 00:00:00 UTC to 2018-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2018-01-01 00:00:00 UTC to 2019-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2019-01-01 00:00:00 UTC to 2020-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2020-01-01 00:00:00 UTC to 2021-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2021-01-01 00:00:00 UTC to 2022-01-01 00:00:00 UTC (exclusive): 3 mentions; 0 submissions, 3 comments2021

Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.

View mention counts and date ranges
UTC ranges include their start and exclude their end. Select a period to filter the source evidence.
PeriodStart (UTC)End (exclusive, UTC)MentionsSubmissionsComments
20122012-01-01 00:00:00 UTC2013-01-01 00:00:00 UTC202
20132013-01-01 00:00:00 UTC2014-01-01 00:00:00 UTC101
20142014-01-01 00:00:00 UTC2015-01-01 00:00:00 UTC000
20152015-01-01 00:00:00 UTC2016-01-01 00:00:00 UTC000
20162016-01-01 00:00:00 UTC2017-01-01 00:00:00 UTC101
20172017-01-01 00:00:00 UTC2018-01-01 00:00:00 UTC000
20182018-01-01 00:00:00 UTC2019-01-01 00:00:00 UTC000
20192019-01-01 00:00:00 UTC2020-01-01 00:00:00 UTC000
20202020-01-01 00:00:00 UTC2021-01-01 00:00:00 UTC000
20212021-01-01 00:00:00 UTC2022-01-01 00:00:00 UTC303

What Hacker News says

7 sources
>"List of projects and tools https://github.com/Andersbakken/rtags/ "RTags is a client/server application that indexes c/c++ code and keeps a persistent in-memory database of references, symbolnames, completions etc." https://rprichard.github.com/sourceweb/ "A C/C++ source code indexer and navigator" https://github.com/etaoins/qconnectlint "qconnectlint is a Clang tool for statically verifying the consistency of signal and slot connections made with Qt's QObject::connect." https://github.com/woboq/woboq_codebrowser "The Woboq Code Browser is a web-based code browser for C/C++ projects. Check out https://code.woboq.org/ for an example!" https://github.com/mozilla/dxr "DXR is a source code cross-reference tool that uses static analysis data collected by instrumented compilers." https://github.com/eschulte/clang-mutate "This tool performs a
Read the rest
number of operations on C-language source files." https://github.com/gmarpons/Crisp "A coding rule validation add-on for LLVM/clang. Crisp rules are written in Prolog. A high-level declarative DSL to easily write new rules is under development. It will be called CRISP, an acronym for Coding Rules in Sugared Prolog." https://github.com/drothlis/clang-ctags "Generate tag file for C++ source code." https://github.com/exclipy/clang_indexer "This is an indexer for C and C++ based on the libclang library." https://github.com/holtgrewe/linty "Linty - C/C++ Style Checking with Python & libclang." https://github.com/axw/cmonster "cmonster is a Python wrapper for the Clang C++ parser." https://github.com/rizsotto/Constantine "Constantine is a toy project to learn how to write clang plugin. Implements pseudo const analysis. Generates warnings about variables, which were declared without const qualifier." https://github.com/jessevdk/cldoc "cldoc is a Clang based documentation generator for C and C++. cldoc tries to solve the issue of writing C/C++ software documentation with a modern, non-intrusive and robust approach." https://github.com/AlexDenisov/ToyClangPlugin "The simplest Clang plugin implementing a semantic check for Objective-C. This example shows how to use the DiagnosticsEngine (emit warnings, errors, fixit hints). See also http://l.rw.rw/clang_plugin for step-by-step instructions." https://phabricator.kde.org/source/clazy "clazy is a compiler plugin which allows clang to understand Qt semantics. You get more than 50 Qt related compiler warnings, ranging from unneeded memory allocations to misusage of API, including fix-its for automatic refactoring." https://gerrit.libreoffice.org/gitweb?p=core.git;a=blob_plai... "LibreOffice uses a Clang plugin infrastructure to check during the build various things, some more, some less specific to the LibreOffice source code. There are currently around 50 such checkers, from flagging C-style casts and uses of reserved identifiers to ensuring that code adheres to lifecycle protocols for certain LibreOffice-specific classes. They may serve as examples for writing RecursiveASTVisitor-based plugins.""
In External Clang Examples
Here is a list of everything available in case anyone might find that more convenient: Languages: - C - C++ - C++ (Firefox) - Java - JavaScript - PHP - Python - Rust C So you think OOP is for hipsters? That's cool, we all get nostalgic sometimes. You could work on: - NSS: The network security pieces of Firefox https://developer.mozilla.org/en-US/docs/Getting_Started_With_NSS C++ So you like long compile times and incomprehensible error messages? That's cool, we do too. You could work on: - Gecko: The engine that drives Firefox See: C++ (Firefox) - Boot2Gecko: The operating system for Android phones built on web technologies https://wiki.mozilla.org/B2G/Hacking - Thunderbird: The open source email client http://developer.mozilla.org/En/Simple_Thunderbird_build - Seamonkey: The open s
Read the rest
ource web productivity suite http://www.seamonkey-project.org - v8monkey: Implementing the v8 API on top of Spidermonkey http://github.com/zpao/v8monkey - emscripten: Creating a LLVM-to-JS system to allow porting native code to the web https://github.com/kripken/emscripten/ - SVG Project: Help with the implementation and testing of Mozilla's Scalable Vector Graphics engine (https://developer.mozilla.org/en-US/docs/SVG) https://wiki.mozilla.org/SVG:Contribute - Windows 8 Integration: The Metro-style enabled desktop browser for Windows 8 https://wiki.mozilla.org/Firefox/Windows_8_Integration See 3.3 Platform Integration Windows 8 Development - MathML: Display and represent math formulas on the web https://wiki.mozilla.org/MathML:Home_Page C++ (Firefox) That's cool, but not very specific. You could work on: - General Firefox work: I don't really care about the details http://developer.mozilla.org/En/Introduction - Graphics: Lots of work with OpenGL, DirectX, and Skia making things draw quickly https://wiki.mozilla.org/Platform/GFX/Contribute - Accessibility: Make the web more accessible for users using assistive technologies (eg. screenreaders) https://wiki.mozilla.org/Accessibility/Contribute - Networking: Tcp, http, ssl/tls, spdy, and more http://wiki.mozilla.org/Networking - Spidermonkey: The JavaScript engine: if you like compilers, interpreters, JITs, and more https://wiki.mozilla.org/JavaScript:New_to_SpiderMonkey JavaScript So you're a dynamic individual who thinks that, underneath, everything is an object? That's cool, we like to dream as well. You could work on: - Firefox: Did you know that all of the UI is written in JS? See: JavaScript (Firefox) - Mobile Firefox: It's the Gecko engine, with an Android-specific UI. No Android device required. https://wiki.mozilla.org/Mobile/Get_Involved - pdf.js: A PDF viewer written entirely in JavaScript https://wiki.mozilla.org/PDF.js - Shumway: a Flash player written entirely in JavaScript https://github.com/mozilla/shumway/wiki - The addon SDK: The foundation upon which all new kick-ass addons are built https://wiki.mozilla.org/Jetpack - Gaia: the default UI for the web-based mobile operating system Boot2Gecko https://wiki.mozilla.org/Gaia - DXR: The intelligent source code indexing system http://github.com/mozilla/dxr - Thunderbird: The open source email client http://developer.mozilla.org/En/Simple_Thunderbird_build - Seamonkey: The open source web productivity suite http://www.seamonkey-project.org - Web development: We have many large, complicated projects that use JavaScript https://blog.mozilla.com/webdev/get-involved/ - Popcorn: Create interactive media pages that seamlessly integrate video, audio, and traditional web technologies http://www.benmoskowitz.com/?p=527 - Windows 8 Integration: The front end for the Metro-style enabled desktop browser for Windows 8 https://wiki.mozilla.org/Firefox/Windows_8_Integration See 3.2 Front End Windows 8 Development - Persona: Implement a new way to safely and easily sign into websites https://wiki.mozilla.org/Persona JavaScript (Firefox) Good choice - there are a lot of different areas if you'd like to specialize. You could work on: - Firefox in general - I don't really care: http://developer.mozilla.org/En/Introduction - Developer tools: Implement a suite of tools similar to Firebug directly in the browser https://wiki.mozilla.org/DevTools/GetInvolved - Sync: Help users take their personal browsing data on the road https://wiki.mozilla.org/Services/Sync#Get_Involved Java So you're a believer in AbstractMethodFactoryBeans? That's cool, we all have our vices. You could work on: - Mobile Firefox: It's the Gecko engine, with an Android-specific UI. No Android device required. https://wiki.mozilla.org/Mobile/Get_Involved - Rhino: It's Spidermonkey in Java. Is this actually still a thing? https://developer.mozilla.org/en-US/docs/Rhino PHP So you like your variable names to include dollar signs? That's cool, everyone misses Perl once in a while. You can work on: - WordPress: The code that runs our blogs (http://blog.mozilla.org) https://wiki.mozilla.org/Webdev/GetInvolved/WordPress - Marketplace: The PHP client for Marketplace (https://marketplace.firefox.com) https://github.com/mozilla/Marketplace.PHP - The Mediawiki-Bugzilla plugin: The Bugzilla plugin for Mozilla's MediaWiki https://wiki.mozilla.org https://github.com/mozilla/mediawiki-bugzilla Python So you enjoy the paradigm of backtrace-driven development? That's cool, everyone gets a bit tired of static typing once in a while. You can work on: - Firefox: Lots of code is generated by python scripts http://developer.mozilla.org/En/Introduction - Web development: We have many large, complicated projects written in Python https://blog.mozilla.com/webdev/get-involved/ - DXR: The intelligent source code indexing system http://github.com/mozilla/dxr - Tools & Automation: Various projects to facilitate easier automated testing of products https://wiki.mozilla.org/Auto-tools/New_Contributor Rust The new systems programming language created by Mozilla. - Rust: http://www.rust-lang.org
In What can I do for Mozilla

MAKE YOURSELF AT HOME

A few shortcuts

/
Search the collection
?
Open this guide
Esc
Close dialogs and navigation

Your saved repositories and interests stay in this browser.