mirror of
https://github.com/llvm/llvm-project.git
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d02d054473
Set the charset to UTF-8, link to the actual liscense we used, claim support for targets LLVM supports instead of listing them manually, and stop listing individual language standards we support.
111 lines
4.8 KiB
HTML
Executable File
111 lines
4.8 KiB
HTML
Executable File
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
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"http://www.w3.org/TR/html4/strict.dtd">
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<!-- Material used from: HTML 4.01 specs: http://www.w3.org/TR/html401/ -->
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<html>
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<head>
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<META http-equiv="Content-Type" content="text/html; charset=utf-8">
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<title>Clang C Language Family Frontend for LLVM</title>
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<link type="text/css" rel="stylesheet" href="menu.css">
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<link type="text/css" rel="stylesheet" href="content.css">
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</head>
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<body>
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<!--#include virtual="menu.html.incl"-->
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<div id="content">
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<!--*********************************************************************-->
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<h1>Clang: a C language family frontend for LLVM</h1>
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<!--*********************************************************************-->
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<p>The Clang project provides a language front-end and tooling infrastructure
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for languages in the C language family (C, C++, Objective C/C++, OpenCL,
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CUDA, and RenderScript) for the <a href="https://www.llvm.org/">LLVM</a>
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project. Both a GCC-compatible compiler driver (<tt>clang</tt>) and an
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MSVC-compatible compiler driver (<tt>clang-cl.exe</tt>) are provided. You
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can <a href="get_started.html">get and build</a> the source today.</p>
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<!--=====================================================================-->
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<h2 id="goals">Features and Goals</h2>
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<!--=====================================================================-->
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<p>Some of the goals for the project include the following:</p>
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<p><b><a href="features.html#enduser">End-User Features</a></b>:</p>
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<ul>
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<li>Fast compiles and low memory use</li>
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<li>Expressive diagnostics (<a href="diagnostics.html">examples</a>)</li>
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<li>GCC & MSVC compatibility</li>
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</ul>
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<p><b><a href="features.html#applications">Utility and
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Applications</a></b>:</p>
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<ul>
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<li>Modular library based architecture</li>
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<li>Support diverse clients (refactoring, static analysis, code generation,
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etc.)</li>
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<li>Allow tight integration with IDEs</li>
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<li>Use the LLVM 'Apache 2'
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<a href="https://github.com/llvm/llvm-project/blob/main/LICENSE.TXT">License</a>
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</li>
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</ul>
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<p><b><a href="features.html#design">Internal Design and
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Implementation</a></b>:</p>
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<ul>
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<li>A real-world, production quality compiler</li>
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<li>A simple and hackable code base</li>
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<li>A single unified parser for C, Objective C, C++, and Objective C++</li>
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<li>Conformance with C/C++/ObjC and their variants</li>
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</ul>
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<p>Of course this is only a rough outline of the goals and features of
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Clang. To get a true sense of what it is all about, see the <a
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href="features.html">Features</a> section, which breaks
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each of these down and explains them in more detail.</p>
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<!--=====================================================================-->
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<h2>Why?</h2>
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<!--=====================================================================-->
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<p>Development of the new front-end was started out of a need
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for a compiler that allows better diagnostics, better integration with
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IDEs, a license that is compatible with commercial products, and a
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nimble compiler that is easy to develop and maintain. All of these were
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motivations for starting work on a new front-end that could
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meet these needs.</p>
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<!--=====================================================================-->
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<h2>Current Status</h2>
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<!--=====================================================================-->
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<p>Clang is considered to
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be a production quality C, Objective-C, C++ and Objective-C++ compiler when
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targeting any target supported by LLVM. As example, Clang is used in
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production to build performance-critical software like Chrome or Firefox.
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<br /> If you are looking for source analysis or source-to-source
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transformation tools, Clang is probably a great solution for you. Please see
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the <a href="cxx_status.html">C++ status</a> page or the
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<a href="c_status.html">C status</a> page for more information about what
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standard modes and features are supported.</p>
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<!--=====================================================================-->
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<h2>Get it and get involved!</h2>
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<!--=====================================================================-->
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<p>Start by <a href="get_started.html">getting the code, building it, and
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playing with it</a>. This will show you the sorts of things we can do
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today and will let you have the "Clang experience" first hand: hopefully
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it will "resonate" with you. :)</p>
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<p>Once you've done that, please consider <a href="get_involved.html">getting
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involved in the Clang community</a>. The Clang developers include numerous
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volunteer contributors with a variety of backgrounds. If you're
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interested in
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following the development of Clang, signing up for a mailing list is a good
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way to learn about how the project works.</p>
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</div>
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</body>
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</html>
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