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16<h1>Release notes for <tt>checker-XXX</tt> builds</h1>
17
Ted Kremenekbb19cd82011-10-14 04:15:19 +0000[diff] [blame^]18<h4 id="checker_258">checker-258</h4>
19
20<p><b>built:</b>October 13, 2011<br>
21<b>download:</b> <a href="/checker/checker-258.tar.bz2">checker-258.tar.bz2</a></p>
22<p><b>highlights:</b></p>
23
24<ul>
25 <li>Contains a newer version of the analyzer than the one shipped in Xcode 4.2.</li>
26 <li>Adds a new security checker for looking at correct uses of the Mac OS KeyChain API.</li>
27 <li>Supports ARC (please file bugs where you see issues)</li>
28 <li>Major under-the-cover changes. This should result in more precise results in some cases, but this is laying the groundwork for major improvements. Please file bugs where you see regressions or issues.</li>
29</ul>
30
Ted Kremenekf30c4cc2011-05-25 16:30:14 +0000[diff] [blame]31<h4 id="checker_257">checker-257</h4>
32
33<p><b>built:</b>May 25, 2011<br>
34<b>download:</b> <a href="/checker/checker-257.tar.bz2">checker-257.tar.bz2</a></p>
35<p><b>highlights:</b></p>
36
37<ul>
38 <li>The analyzer is now far more aggressive with checking conformance with Core Foundation conventions. Any function that returns a CF type must now obey the Core Foundation naming conventions, or use the <a href="/annotations.html#attr_cf_returns_retained">cf_returns_retained</a> or <a href="/annotations.html#attr_cf_returns_not_retained">cf_returns_not_retained</a> annotations.</li>
39 <li>Fixed a serious regression where the analyzer would not analyze Objective-C methods in class extensions.</li>
40 <li>Misc. bug fixes to improve analyzer precision.
41 </li>
42</ul>
43
Ted Kremenek2d5f2da2011-04-13 21:48:34 +0000[diff] [blame]44<h4 id="checker_256">checker-256</h4>
45
Ted Kremenekf30c4cc2011-05-25 16:30:14 +0000[diff] [blame]46<p><b>built:</b>April 13, 2011<br>
Ted Kremenek2d5f2da2011-04-13 21:48:34 +0000[diff] [blame]47<b>download:</b> <a href="/checker/checker-256.tar.bz2">checker-256.tar.bz2</a></p>
48<p><b>highlights:</b></p>
49
50<ul>
51 <li>Lots of bug fixes and improvements to analyzer precision (fewer false positives, possibly more bugs found).
52 <li>Introductory analysis support for C++ and Objective-C++.
53</ul>
54
55<p>This build contains basic support for C++ and Objective-C++ that is ready to be tried out
56 by general users. It is still in its infancy, but establishes a baseline for things to come. The main hope is that it can find some
57 issues and have a reasonable false positive rate.</p>
58
59<p><b>Please</b> <a href="/filing_bugs.html">file bugs</a> when you see issues of any kind so we can assess
60 where development on C++ analysis support needs to be focused.</p>
61
62<p>To try out C++ analysis support, it should work out of the box using <tt>scan-build</tt>. If you are using this checker build
63 as a replacement to the analyzer bundled with Xcode, first use the <tt>set-xcode-analyzer</tt> script to <a href="/xcode.html">change Xcode to use
64 your version of the analyzer</a>. You will then need to modify one configuration file in Xcode to enable C++ analysis support. This can
65 be done with the following steps:</p>
66
67<ol>
68 <li>Find the clang .xcspec file:
69<pre>$ cd /Developer/Library
70$ find . | grep xcspec | grep Clang
71./Xcode/<b>&lt;SNIP&gt;</b>/Clang LLVM 1.0.xcplugin/Contents/Resources/Clang LLVM 1.0.xcspec
72</pre></li>
73 <li>The exact location of the file may vary depending on your installation of Xcode. Edit that file, and look for the string &quot;--analyze&quot;:
74<pre>
75 SourceFileOption = "--analyze";
76 FileTypes = (
77 "sourcecode.c.c",
78 "sourcecode.c.objc",
79 );
80 ...
81</pre>
82 Change the &quot;FileTypes&quot; entry to:
83<pre>
84 FileTypes = (
85 "sourcecode.c.c",
86 "sourcecode.c.objc",
87 "sourcecode.cpp.cpp",
88 "sourcecode.cpp.objcpp",
89 );
90</pre></li>
91<li>Restart Xcode.</li>
92</ol>
93
Ted Kremeneke6732792011-02-12 03:20:34 +0000[diff] [blame]94<h4 id="checker_255">checker-255</h4>
95
96<p><b>built:</b> February 11, 2011<br>
97<b>download:</b> <a href="/checker/checker-255.tar.bz2">checker-255.tar.bz2</a></p>
98<p><b>highlights:</b></p>
99
100<ul>
101<li>Mac OS X builds are now Intel <tt>i386</tt> and <tt>x86_64</tt> only (no <tt>ppc</tt> support)</li>
102<li>Turns on new <tt>-init</tt> method checker by default</li>
103<li>Reduces memory usage of analyzer by 10%</li>
104<li>Misc. fixes to reduce false positives on dead stores and idempotent operations.</li>
105</ul>
106
Ted Kremenekef35cbc2011-01-27 19:41:08 +0000[diff] [blame]107<h4 id="checker_254">checker-254</h4>
108
109<p><b>built:</b> January 27, 2011<br>
Ted Kremenek90f3dd82011-01-27 19:49:07 +0000[diff] [blame]110<b>download:</b> <a href="/checker/checker-254.tar.bz2">checker-254.tar.bz2</a></p>
Ted Kremenekef35cbc2011-01-27 19:41:08 +0000[diff] [blame]111<p><b>highlights:</b></p>
112
113<ul>
114<li>Introduces new <tt>-init</tt> method checker to check if a super class's init method is properly called.</li>
115<li>Objective-C retain/release checker now reasons about calls to property accessor methods (setter/getter).</li>
116<li>Introduces new attribute <a href="annotations.html#attr_ns_consumes_self">ns_consumes_self</a> to educate the Objective-C retain/release checker about custom &quot;init-like&quot; methods that do not follow the standard Cocoa naming conventions.</li>
117<li>Introduces new attributes <a href="annotations.html#attr_ns_consumed">ns_consumed</a> and <a href="annotations.html#attr_cf_consumed">cf_consumed</a> to educate the Objective-C retain/release checker about methods/functions that decrement the reference count of a parameter.</li>
118</ul>
119
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