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| <title>Minimal clang home page</title> | ||
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| <p> | ||
| This is a bare bones web page for the "clang" C front-end. This project will | ||
| provide a new C/C++/ObjC front-end for <a href="http://llvm.org">LLVM</a>. | ||
| </p> | ||
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| <p>The motivation for this project is described well in Steve Naroff's talk | ||
| at the <a href="http://llvm.org/devmtg/2007-05/">2007 LLVM Developer Meeting</a>. | ||
| A <a href="http://llvm.org/devmtg/2007-05/09-Naroff-CFE.mov">video</a> and | ||
| <a href="http://llvm.org/devmtg/2007-05/09-Naroff-CFE.pdf">slides</a> are | ||
| available.</p> | ||
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| <p>Some more motivation, details, and performance numbers are in the second | ||
| half of Chris' <a | ||
| href="http://llvm.org/pubs/2007-07-25-LLVM-2.0-and-Beyond.html"> LLVM 2.0 | ||
| and Beyond!</a> talk, which describes how the clang pre-processor can be used | ||
| to make distcc 3-4x more scalable.</p> | ||
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| <p>To get and build the source, please follow <a | ||
| href="http://lists.cs.uiuc.edu/pipermail/llvmdev/2007-July/009817.html">these | ||
| directions</a>.</p> | ||
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| <p>If you are interested in discussing this work, please join the <a | ||
| href="http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev">cfe-dev</a> mailing | ||
| list. If you are interested in contributing to it or following its progress, | ||
| please join the <a href="http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits"> | ||
| cfe-commits</a> list.</p> | ||
|
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||
| <p>A rough <a href="docs/InternalsManual.html">Internals Manual</a> is | ||
| available.</p> | ||
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| <p>Please note that we don't consider this to be ready for people to take and | ||
| compile random pieces of code with yet. However, if you'd like to do so | ||
| <em>and</em> help fix problems exposed by doing so, we would appreciate the help.</p> | ||
| <!-- | ||
| Consulted: | ||
| HTML 4.01 specs: http://www.w3.org/TR/html401/ | ||
| --> | ||
| <html> | ||
| <head> | ||
| <title>Clang c-lang parser for LLVM</title> | ||
| <link type="text/css" rel="stylesheet" href="menu.css" /> | ||
| <link type="text/css" rel="stylesheet" href="content.css" /> | ||
| </head> | ||
| <body> | ||
| <!--#include virtual="menu.html.incl"--> | ||
| <div id="content"> | ||
| <h1>Clang: a C language front-end for LLVM</h1> | ||
| <h2>About</h2> | ||
| <p>The goal of the Clang project is to create a new <a href="http://llvm.org/svn/llvm-project/cfe/trunk/LICENSE.TXT">BSD Licensed</a> C, C++, & ObjC front-end for the <a href="http://www.llvm.org/">LLVM</a> compiler. | ||
| <br><br> | ||
| <p>In the context of this website, the term Clang actually refers to two things: | ||
| <p>1) A "code name" for the LLVM compiler front-end. | ||
| <p>2) A specific library in the LLVM front-end -- in particular the "driver" that makes all the other libraries work together. | ||
| <br><br> | ||
| <p>The developers of Clang include contributers from Apple and numerous other volunteers. | ||
| <h2>Why?</h2> | ||
| <p>The development of a new front-end was started out of a need -- a need for a compiler that allows better diagnostics, better integration with IDEs, a license that is compatible with commercial products, and a compiler that is easier to develop and maintain. All of these were motiviations for starting work on a new C/C++/ObjC front-end that could meet these needs. | ||
| <p>An excellent introduction to Clang can be found in the following video lectures: | ||
| <ul> | ||
| <li><a href="clang_video-05-25-2007.html">Clang Introduction</a> | ||
| <li><a href="clang_video-07-25-2007.html">Features and Performance of Clang</a> | ||
| </ul> | ||
| <h2>Features/Goals</h2> | ||
| Some of the goals for the project include the following: | ||
| <ul> | ||
| <li>Unified parser for C-based languages | ||
| <li>Language conformance with C99, ObjC, C++ | ||
| <li>Real-world, production quality compiler | ||
| <li>GCC compatibility | ||
| <li>Library based architecture with finely crafted C++ API’s | ||
| <li>High performance | ||
| <li>Better integration with IDEs | ||
| <li>Expressive diagnostics | ||
| <li>BSD License | ||
| </ul> | ||
| Of course this is only a rough outline of the goals and features of Clang. To get a true sense of what the new LLVM front-end is all about, as well as why you might want to considering using it, see the <a href="features.html">Features</a> section. | ||
| <h2>Get Involved</h2> | ||
| If you are interested in working on Clang, then check out the <a href="get_involved.html">Get Involved</a> section. | ||
| </div> | ||
| </body> | ||
| </html> |