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[analyzer] Add the list of available checkers to the website. 

llvm-svn: 143788
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Anna Zaks 2011-11-05 05:20:54 +00:00
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clang/www/analyzer/available_checks.html
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<h1>Available Checks</h1>
<p>This page is slated to contain a list of the current checks the analyzer
performs along with some self-contained code examples. In the meantime, please
check out any of the following writeups about the analyzer that contain examples
of some of the bugs that it finds:</p>
<h3>The list of the checks the analyzer performs by default</h3>
<p>
<table border="0" cellpadding="3" cellspacing="3" width="100%">
<!-- <tr>
<th><h4>Checker Name</h4></th>
<th><h4>Description</h4></th>
</tr>-->
<tr>
<td width="20%"><b>core.AdjustedReturnValue</b></td><td>Check to see if the return value of a function call is different than the caller expects (e.g., from calls through function pointers).</td>
</tr>
<tr>
<td width="20%"><b>core.AttributeNonNull</b></td><td>Check for null pointers passed as arguments to a function whose arguments are marked with the 'nonnull' attribute.</td>
</tr>
<tr>
<td width="20%"><b>core.CallAndMessage</b></td><td>Check for logical errors for function calls and Objective-C message expressions (e.g., uninitialized arguments, null function pointers).</td>
</tr>
<tr>
<td width="20%"><b>core.DivideZero</b></td><td>Check for division by zero.</td>
</tr>
<tr>
<td width="20%"><b>core.NullDereference</b></td><td>Check for dereferences of null pointers.</td>
</tr>
<tr>
<td width="20%"><b>core.StackAddressEscape</b></td><td>Check that addresses to stack memory do not escape the function.</td>
</tr>
<tr>
<td width="20%"><b>core.UndefinedBinaryOperatorResult</b></td><td>Check for undefined results of binary operators.</td>
</tr>
<tr>
<td width="20%"><b>core.VLASize</b></td><td>Check for declarations of VLA of undefined or zero size.</td>
</tr>
<tr>
<td width="20%"><b>core.builtin.BuiltinFunctions</b></td><td>Evaluate compiler builtin functions (e.g., alloca()).</td>
</tr>
<tr>
<td width="20%"><b>core.builtin.NoReturnFunctions</b></td><td>Evaluate "panic" functions that are known to not return to the caller.</td>
</tr>
<tr>
<td width="20%"><b>core.uninitialized.ArraySubscript</b></td><td>Check for uninitialized values used as array subscripts.</td>
</tr>
<tr>
<td width="20%"><b>core.uninitialized.Assign</b></td><td>Check for assigning uninitialized values.</td>
</tr>
<tr>
<td width="20%"><b>core.uninitialized.Branch</b></td><td>Check for uninitialized values used as branch conditions.</td>
</tr>
<tr>
<td width="20%"><b>core.uninitialized.CapturedBlockVariable</b></td><td>Check for blocks that capture uninitialized values.</td>
</tr>
<tr>
<td width="20%"><b>core.uninitialized.UndefReturn</b></td><td>Check for uninitialized values being returned to the caller.</td>
</tr>
<tr>
<td width="20%"><b>deadcode.DeadStores</b></td><td>Check for values stored to variables that are never read afterwards.</td>
</tr>
<tr>
<td width="20%"><b>deadcode.IdempotentOperations</b></td><td>Warn about idempotent operations.</td>
</tr>
<tr>
<td width="20%"><b>osx.API</b></td><td>Check for proper uses of various Mac OS X APIs.</td>
</tr>
<tr>
<td width="20%"><b>osx.AtomicCAS</b></td><td>Evaluate calls to OSAtomic functions.</td>
</tr>
<tr>
<td width="20%"><b>osx.SecKeychainAPI</b></td><td>Check for proper uses of Secure Keychain APIs.</td>
</tr>
<tr>
<td width="20%"><b>osx.cocoa.AtSync</b></td><td>Check for null pointers used as mutexes for @synchronized.</td>
</tr>
<tr>
<td width="20%"><b>osx.cocoa.ClassRelease</b></td><td>Check for sending 'retain', 'release', or 'autorelease' directly to a Class.</td>
</tr>
<tr>
<td width="20%"><b>osx.cocoa.IncompatibleMethodTypes</b></td><td>Warn about Objective-C method signatures with type incompatibilities.</td>
</tr>
<tr>
<td width="20%"><b>osx.cocoa.NSAutoreleasePool</b></td><td>Warn for suboptimal uses of NSAutoreleasePool in Objective-C GC mode.</td>
</tr>
<tr>
<td width="20%"><b>osx.cocoa.NSError</b></td><td>Check usage of NSError** parameters.</td>
</tr>
<tr>
<td width="20%"><b>osx.cocoa.NilArg</b></td><td>Check for prohibited nil arguments to ObjC method calls.</td>
</tr>
<tr>
<td width="20%"><b>osx.cocoa.RetainCount</b></td><td>Check for leaks and improper reference count management.</td>
</tr>
<tr>
<td width="20%"><b>osx.cocoa.UnusedIvars</b></td><td>Warn about private ivars that are never used.</td>
</tr>
<tr>
<td width="20%"><b>osx.cocoa.VariadicMethodTypes</b></td><td>Check for passing non-Objective-C types to variadic methods that expect only Objective-C types.</td>
</tr>
<tr>
<td width="20%"><b>osx.coreFoundation.CFError</b></td><td>Check usage of CFErrorRef* parameters.</td>
</tr>
<tr>
<td width="20%"><b>osx.coreFoundation.CFNumber</b></td><td>Check for proper uses of CFNumberCreate.</td>
</tr>
<tr>
<td width="20%"><b>osx.coreFoundation.CFRetainRelease</b></td><td>Check for null arguments to CFRetain/CFRelease.</td>
</tr>
<tr>
<td width="20%"><b>unix.API</b></td><td>Check calls to various UNIX/Posix functions.</td>
</tr>
<tr>
<td width="20%"><b>core.DivideZero</b></td><td>Check for division by zero.</td>
</tr>
<tr>
<td width="20%"><b>core.DivideZero</b></td><td>Check for division by zero.</td>
</tr>
</table>
<p>In addition to these the analyzer contains numerous experimental (beta) checkers.</p>
<h3>Writeups with examples of some of the bugs that the analyzer finds</h3>
<ul>
<li><a href="http://www.mobileorchard.com/bug-finding-with-clang-5-resources-to-get-you-started/">Bug Finding With Clang: 5 Resources To Get You Started</a></li>