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| -rw-r--r-- | docs/UsersManual.html | 6 | ||||
| -rw-r--r-- | www/comparison.html | 3 | ||||
| -rw-r--r-- | www/cxx_status.html | 78 | ||||
| -rw-r--r-- | www/index.html | 16 |
4 files changed, 87 insertions, 16 deletions
diff --git a/docs/UsersManual.html b/docs/UsersManual.html index 13e0209414..41715bb2ac 100644 --- a/docs/UsersManual.html +++ b/docs/UsersManual.html @@ -789,14 +789,12 @@ definition.</li> <h2 id="cxx">C++ Language Features</h2> <!-- ======================================================================= --> -<p>At this point, Clang C++ is not generally useful. However, Clang C++ support +<p>At this point, Clang C++ is not production-quality and is not recommended for use beyond experimentation. However, Clang C++ support is under active development and is progressing rapidly. Please see the <a href="http://clang.llvm.org/cxx_status.html">C++ Status</a> page for details or ask on the mailing list about how you can help.</p> -<p>Note that the clang driver will refuse to even try to use clang to compile -C++ code unless you pass the <tt>-ccc-clang-cxx</tt> option to the driver. If -you really want to play with Clang's C++ support, please pass that flag. </p> +<p>Note that released Clang compilers will refuse to even try to use clang to compile C++ code unless you pass the <tt>-ccc-clang-cxx</tt> option to the driver. To turn on Clang's C++ support, please pass that flag. Clang compilers built from the Subversion trunk enable C++ support by default, and do not require the <tt>-ccc-clang-cxx</tt> flag.</p> <!-- ======================================================================= --> <h2 id="objcxx">Objective C++ Language Features</h2> diff --git a/www/comparison.html b/www/comparison.html index 2462b89da2..0a6a7c8e00 100644 --- a/www/comparison.html +++ b/www/comparison.html @@ -51,8 +51,7 @@ <li>GCC supports languages that clang does not aim to, such as Java, Ada, FORTRAN, etc.</li> <li>GCC front-ends are very mature and already support C++. - <a href="cxx_status.html">clang's support for C++</a> is nowhere near - what GCC supports.</li> + <a href="cxx_status.html">clang's support for C++</a> is further behind.</li> <li>GCC supports more targets than LLVM.</li> <li>GCC is popular and widely adopted.</li> <li>GCC does not require a C++ compiler to build it.</li> diff --git a/www/cxx_status.html b/www/cxx_status.html index a10eb8f95d..6277ce08cf 100644 --- a/www/cxx_status.html +++ b/www/cxx_status.html @@ -26,9 +26,75 @@ <!--*************************************************************************--> <p>Last updated: $Date$</p> -<p> -This page tracks the status of C++ support in Clang.<br> -Clang implements the majority of C++ features, although there are many bugs remaining and Clang is not yet generally useful as a C++ compiler. If you are looking to <a href="get_involved.html">get involved with Clang development</a> to help work on support for C++, please also look at our <a href="OpenProjects.html">Open Projects</a> page and the <a href="http://llvm.org/bugs/">LLVM bug tracker</a> for some specific ideas.</p> +<h1>Clang C++ Status</h1> + + <ul> + <li><a href="#projects">Projects Building with Clang</a></li> + <li><a href="#specification">Implementation Status by Section</a></li> + <li><a href="#cxx0x">C++0x Status</a></li> + </ul> + +<p>Clang currently implements nearly all of the ISO C++ 1998 standard +(including the defects addressed in the ISO C++ 2003 standard), with +the few notable exceptions listed below. However, the implementation +of Clang C++ is still quite immature, with many remaining bugs that +are likely to cause compiler crashes, erroneous errors and warnings, +and miscompiled code. The <a href="http://llvm.org/bugs/">LLVM bug +tracker</a> contains a Clang C++ component that tracks known Clang C++ +bugs.</p> + +<p>Clang is currently missing implementations of the following C++98/03 features and common extensions:</p> + <ul> + + <li>Access control: Clang does not perform access-control checking + at this time, so it will fail to diagnose invalid accesses. Work + is underway to implement this feature.</li> + + <li>Friends and friend templates: Clang parses friends and friend + templates for the most part, but they are not used in access + control and there are a number of problems with friend templates + and friends within class templates.</li> + + <li>GNU <a href="http://gcc.gnu.org/onlinedocs/gcc-4.1.2/gcc/Strong-Using.html">strong using</a> extension.</li> + + <li>Qualified member accesses that disambiguate the base class in a diamond-shaped inheritance hierarchy.</li> + + </ul> + + <h2 id="projects">Projects Building with Clang</h2> + + <p>Clang is now capable of compiling some language C++ projects, or +large pieces of such projects. The following table describes various +projects that we have attempted to compile with Clang along with the results of that attempt.</p> + + <p> At this point in time, each new C++ project typically uncovers +new bugs. We keep track of these in the <a + href="http://llvm.org/bugs/">LLVM bug tracker</a> via tracking bugs, +which are used to relate all of the bugs known to affect that +particular project. Introducing a new project in this list typically requires a liason familiar with LLVM or Clang development, who is able to provide detailed bug reports and track progress for the particular project.</p> + +<table width="689" border="1" cellspacing="0"> + <tr> + <th>Project</th> + <th>Status</th> + <th>Last Tested</th> + <th>Tracking Bug</th> + </tr> + <tr> + <td><a href="http://clang.llvm.org">Clang</a> and <a href="http://llvm.org">LLVM</a></td> + <td>Successful self-hosting achieved</td> + <td>Continually</td> + <td></td> + </tr> + <tr> + <td><a href="http://www.boost.org">Boost</a></td> + <td>Some libraries (e.g., Boost.MPL) successfully build and pass regression tests, the majority still fail.</td> + <td>February 5, 2010</td> + <td><a href="http://llvm.org/bugs/show_bug.cgi?id=6023">PR6023</a></td> + </tr> +</table> + + <h2 id="specification">Implementation Status by Section</h2> <!-- Within this table: The colors we're using to color-code our level @@ -2297,6 +2363,12 @@ welcome!</p> <tr><td> D.5 [depr.c.headers]</td><td></td><td></td><td></td><td></td><td></td></tr> <tr><td>E [extendid]</td><td></td><td></td><td></td><td></td><td></td></tr> <tr> +</table> + + <h2 id="cxx0x">C++0x Implementation status</h2> +<p>Clang's development effort is focused primarily on supporting the current ISO C++ standard (1998/2003). This section tracks the status of various C++0x features. In general, the implementations of these features are far less developed than C++98/03 features.</p> + +<table width="689" border="1" cellspacing="0"> <td colspan="6" align="center" bgcolor="#ffffcc">C++0x Features</td> </tr> <tr> diff --git a/www/index.html b/www/index.html index 776c729622..9adf640f9b 100644 --- a/www/index.html +++ b/www/index.html @@ -89,13 +89,15 @@ <h2>Current Status</h2> <!--=====================================================================--> - <p>Clang is still under heavy development. Clang is considered to be - a production quality C and Objective-C compiler when targetting X86-32 and X86-64 - (other targets may have caveats, but are usually easy to fix). If you are - looking for source - analysis or source-to-source transformation tools, clang is probably - a great solution for you. If you are interested in C++, - <a href="cxx_status.html">full support</a> is still way off.</p> + <p>Clang is still under heavy development. Clang is considered to + be a production quality C and Objective-C compiler when targetting + X86-32 and X86-64 (other targets may have caveats, but are usually + easy to fix). If you are looking for source analysis or + source-to-source transformation tools, clang is probably a great + solution for you. Clang's C++ support is currently alpha quality + at best, but is evolving rapidly: see the <a + href="cxx_status.html">C++ status</a> page for more + information.</p> <!--=====================================================================--> <h2>Get it and get involved!</h2> |