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| Current File : //compat/linux/proc/68247/root/usr/src/contrib/llvm/tools/clang/lib/StaticAnalyzer/Checkers/Checkers.td |
//===--- Checkers.td - Static Analyzer Checkers -===-----------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
include "clang/StaticAnalyzer/Checkers/CheckerBase.td"
//===----------------------------------------------------------------------===//
// Packages.
//===----------------------------------------------------------------------===//
def Experimental : Package<"experimental">;
def Core : Package<"core">;
def CoreBuiltin : Package<"builtin">, InPackage<Core>;
def CoreUninitialized : Package<"uninitialized">, InPackage<Core>;
def CoreExperimental : Package<"core">, InPackage<Experimental>, Hidden;
def Cplusplus : Package<"cplusplus">;
def CplusplusExperimental : Package<"cplusplus">, InPackage<Experimental>, Hidden;
def DeadCode : Package<"deadcode">;
def DeadCodeExperimental : Package<"deadcode">, InPackage<Experimental>, Hidden;
def Security : Package <"security">;
def InsecureAPI : Package<"insecureAPI">, InPackage<Security>;
def SecurityExperimental : Package<"security">, InPackage<Experimental>, Hidden;
def Taint : Package<"taint">, InPackage<SecurityExperimental>, Hidden;
def Unix : Package<"unix">;
def UnixExperimental : Package<"unix">, InPackage<Experimental>, Hidden;
def CString : Package<"cstring">, InPackage<Unix>, Hidden;
def CStringExperimental : Package<"cstring">, InPackage<UnixExperimental>, Hidden;
def OSX : Package<"osx">;
def OSXExperimental : Package<"osx">, InPackage<Experimental>, Hidden;
def Cocoa : Package<"cocoa">, InPackage<OSX>;
def CocoaExperimental : Package<"cocoa">, InPackage<OSXExperimental>, Hidden;
def CoreFoundation : Package<"coreFoundation">, InPackage<OSX>;
def Containers : Package<"containers">, InPackage<CoreFoundation>;
def LLVM : Package<"llvm">;
def Debug : Package<"debug">;
//===----------------------------------------------------------------------===//
// Core Checkers.
//===----------------------------------------------------------------------===//
let ParentPackage = Core in {
def DereferenceChecker : Checker<"NullDereference">,
HelpText<"Check for dereferences of null pointers">,
DescFile<"DereferenceChecker.cpp">;
def CallAndMessageChecker : Checker<"CallAndMessage">,
HelpText<"Check for logical errors for function calls and Objective-C message expressions (e.g., uninitialized arguments, null function pointers)">,
DescFile<"CallAndMessageChecker.cpp">;
def AdjustedReturnValueChecker : Checker<"AdjustedReturnValue">,
HelpText<"Check to see if the return value of a function call is different than the caller expects (e.g., from calls through function pointers)">,
DescFile<"AdjustedReturnValueChecker.cpp">;
def AttrNonNullChecker : Checker<"AttributeNonNull">,
HelpText<"Check for null pointers passed as arguments to a function whose arguments are marked with the 'nonnull' attribute">,
DescFile<"AttrNonNullChecker.cpp">;
def VLASizeChecker : Checker<"VLASize">,
HelpText<"Check for declarations of VLA of undefined or zero size">,
DescFile<"VLASizeChecker.cpp">;
def DivZeroChecker : Checker<"DivideZero">,
HelpText<"Check for division by zero">,
DescFile<"DivZeroChecker.cpp">;
def UndefResultChecker : Checker<"UndefinedBinaryOperatorResult">,
HelpText<"Check for undefined results of binary operators">,
DescFile<"UndefResultChecker.cpp">;
def StackAddrEscapeChecker : Checker<"StackAddressEscape">,
HelpText<"Check that addresses to stack memory do not escape the function">,
DescFile<"StackAddrEscapeChecker.cpp">;
} // end "core"
let ParentPackage = CoreExperimental in {
def BoolAssignmentChecker : Checker<"BoolAssignment">,
HelpText<"Warn about assigning non-{0,1} values to Boolean variables">,
DescFile<"BoolAssignmentChecker.cpp">;
def CastSizeChecker : Checker<"CastSize">,
HelpText<"Check when casting a malloc'ed type T, whether the size is a multiple of the size of T">,
DescFile<"CastSizeChecker.cpp">;
def CastToStructChecker : Checker<"CastToStruct">,
HelpText<"Check for cast from non-struct pointer to struct pointer">,
DescFile<"CastToStructChecker.cpp">;
def FixedAddressChecker : Checker<"FixedAddr">,
HelpText<"Check for assignment of a fixed address to a pointer">,
DescFile<"FixedAddressChecker.cpp">;
def PointerArithChecker : Checker<"PointerArithm">,
HelpText<"Check for pointer arithmetic on locations other than array elements">,
DescFile<"PointerArithChecker">;
def PointerSubChecker : Checker<"PointerSub">,
HelpText<"Check for pointer subtractions on two pointers pointing to different memory chunks">,
DescFile<"PointerSubChecker">;
def SizeofPointerChecker : Checker<"SizeofPtr">,
HelpText<"Warn about unintended use of sizeof() on pointer expressions">,
DescFile<"CheckSizeofPointer.cpp">;
} // end "core.experimental"
//===----------------------------------------------------------------------===//
// Evaluate "builtin" functions.
//===----------------------------------------------------------------------===//
let ParentPackage = CoreBuiltin in {
def NoReturnFunctionChecker : Checker<"NoReturnFunctions">,
HelpText<"Evaluate \"panic\" functions that are known to not return to the caller">,
DescFile<"NoReturnFunctionChecker.cpp">;
def BuiltinFunctionChecker : Checker<"BuiltinFunctions">,
HelpText<"Evaluate compiler builtin functions (e.g., alloca())">,
DescFile<"BuiltinFunctionChecker.cpp">;
} // end "core.builtin"
//===----------------------------------------------------------------------===//
// Uninitialized values checkers.
//===----------------------------------------------------------------------===//
let ParentPackage = CoreUninitialized in {
def UndefinedArraySubscriptChecker : Checker<"ArraySubscript">,
HelpText<"Check for uninitialized values used as array subscripts">,
DescFile<"UndefinedArraySubscriptChecker.cpp">;
def UndefinedAssignmentChecker : Checker<"Assign">,
HelpText<"Check for assigning uninitialized values">,
DescFile<"UndefinedAssignmentChecker.cpp">;
def UndefBranchChecker : Checker<"Branch">,
HelpText<"Check for uninitialized values used as branch conditions">,
DescFile<"UndefBranchChecker.cpp">;
def UndefCapturedBlockVarChecker : Checker<"CapturedBlockVariable">,
HelpText<"Check for blocks that capture uninitialized values">,
DescFile<"UndefCapturedBlockVarChecker.cpp">;
def ReturnUndefChecker : Checker<"UndefReturn">,
HelpText<"Check for uninitialized values being returned to the caller">,
DescFile<"ReturnUndefChecker.cpp">;
} // end "core.uninitialized"
//===----------------------------------------------------------------------===//
// C++ checkers.
//===----------------------------------------------------------------------===//
let ParentPackage = CplusplusExperimental in {
def IteratorsChecker : Checker<"Iterators">,
HelpText<"Check improper uses of STL vector iterators">,
DescFile<"IteratorsChecker.cpp">;
def VirtualCallChecker : Checker<"VirtualCall">,
HelpText<"Check virtual function calls during construction or destruction">,
DescFile<"VirtualCallChecker.cpp">;
} // end: "cplusplus.experimental"
//===----------------------------------------------------------------------===//
// Deadcode checkers.
//===----------------------------------------------------------------------===//
let ParentPackage = DeadCode in {
def DeadStoresChecker : Checker<"DeadStores">,
HelpText<"Check for values stored to variables that are never read afterwards">,
DescFile<"DeadStoresChecker.cpp">;
} // end DeadCode
let ParentPackage = DeadCodeExperimental in {
def IdempotentOperationChecker : Checker<"IdempotentOperations">,
HelpText<"Warn about idempotent operations">,
DescFile<"IdempotentOperationChecker.cpp">;
def UnreachableCodeChecker : Checker<"UnreachableCode">,
HelpText<"Check unreachable code">,
DescFile<"UnreachableCodeChecker.cpp">;
} // end "deadcode.experimental"
//===----------------------------------------------------------------------===//
// Security checkers.
//===----------------------------------------------------------------------===//
let ParentPackage = InsecureAPI in {
def gets : Checker<"gets">,
HelpText<"Warn on uses of the 'gets' function">,
DescFile<"CheckSecuritySyntaxOnly.cpp">;
def getpw : Checker<"getpw">,
HelpText<"Warn on uses of the 'getpw' function">,
DescFile<"CheckSecuritySyntaxOnly.cpp">;
def mktemp : Checker<"mktemp">,
HelpText<"Warn on uses of the 'mktemp' function">,
DescFile<"CheckSecuritySyntaxOnly.cpp">;
def mkstemp : Checker<"mkstemp">,
HelpText<"Warn when 'mkstemp' is passed fewer than 6 X's in the format string">,
DescFile<"CheckSecuritySyntaxOnly.cpp">;
def rand : Checker<"rand">,
HelpText<"Warn on uses of the 'rand', 'random', and related functions">,
DescFile<"CheckSecuritySyntaxOnly.cpp">;
def strcpy : Checker<"strcpy">,
HelpText<"Warn on uses of the 'strcpy' and 'strcat' functions">,
DescFile<"CheckSecuritySyntaxOnly.cpp">;
def vfork : Checker<"vfork">,
HelpText<"Warn on uses of the 'vfork' function">,
DescFile<"CheckSecuritySyntaxOnly.cpp">;
def UncheckedReturn : Checker<"UncheckedReturn">,
HelpText<"Warn on uses of functions whose return values must be always checked">,
DescFile<"CheckSecuritySyntaxOnly.cpp">;
}
let ParentPackage = Security in {
def FloatLoopCounter : Checker<"FloatLoopCounter">,
HelpText<"Warn on using a floating point value as a loop counter (CERT: FLP30-C, FLP30-CPP)">,
DescFile<"CheckSecuritySyntaxOnly.cpp">;
}
let ParentPackage = SecurityExperimental in {
def ArrayBoundChecker : Checker<"ArrayBound">,
HelpText<"Warn about buffer overflows (older checker)">,
DescFile<"ArrayBoundChecker.cpp">;
def ArrayBoundCheckerV2 : Checker<"ArrayBoundV2">,
HelpText<"Warn about buffer overflows (newer checker)">,
DescFile<"ArrayBoundCheckerV2.cpp">;
def ReturnPointerRangeChecker : Checker<"ReturnPtrRange">,
HelpText<"Check for an out-of-bound pointer being returned to callers">,
DescFile<"ReturnPointerRangeChecker.cpp">;
def MallocOverflowSecurityChecker : Checker<"MallocOverflow">,
HelpText<"Check for overflows in the arguments to malloc()">,
DescFile<"MallocOverflowSecurityChecker.cpp">;
} // end "security.experimental"
//===----------------------------------------------------------------------===//
// Taint checkers.
//===----------------------------------------------------------------------===//
let ParentPackage = Taint in {
def GenericTaintChecker : Checker<"TaintPropagation">,
HelpText<"Generate taint information used by other checkers">,
DescFile<"GenericTaintChecker.cpp">;
} // end "experimental.security.taint"
//===----------------------------------------------------------------------===//
// Unix API checkers.
//===----------------------------------------------------------------------===//
let ParentPackage = Unix in {
def UnixAPIChecker : Checker<"API">,
HelpText<"Check calls to various UNIX/Posix functions">,
DescFile<"UnixAPIChecker.cpp">;
def MallocPessimistic : Checker<"Malloc">,
HelpText<"Check for memory leaks, double free, and use-after-free problems.">,
DescFile<"MallocChecker.cpp">;
} // end "unix"
let ParentPackage = UnixExperimental in {
def ChrootChecker : Checker<"Chroot">,
HelpText<"Check improper use of chroot">,
DescFile<"ChrootChecker.cpp">;
def MallocOptimistic : Checker<"MallocWithAnnotations">,
HelpText<"Check for memory leaks, double free, and use-after-free problems. Assumes that all user-defined functions which might free a pointer are annotated.">,
DescFile<"MallocChecker.cpp">;
def MallocSizeofChecker : Checker<"MallocSizeof">,
HelpText<"Check for dubious malloc arguments involving sizeof">,
DescFile<"MallocSizeofChecker.cpp">;
def PthreadLockChecker : Checker<"PthreadLock">,
HelpText<"Simple lock -> unlock checker">,
DescFile<"PthreadLockChecker.cpp">;
def StreamChecker : Checker<"Stream">,
HelpText<"Check stream handling functions">,
DescFile<"StreamChecker.cpp">;
} // end "unix.experimental"
let ParentPackage = CString in {
def CStringNullArg : Checker<"NullArg">,
HelpText<"Check for null pointers being passed as arguments to C string functions">,
DescFile<"CStringChecker.cpp">;
def CStringSyntaxChecker : Checker<"BadSizeArg">,
HelpText<"Check the size argument passed into C string functions for common erroneous patterns">,
DescFile<"CStringSyntaxChecker.cpp">;
}
let ParentPackage = CStringExperimental in {
def CStringOutOfBounds : Checker<"OutOfBounds">,
HelpText<"Check for out-of-bounds access in string functions">,
DescFile<"CStringChecker.cpp">;
def CStringBufferOverlap : Checker<"BufferOverlap">,
HelpText<"Checks for overlap in two buffer arguments">,
DescFile<"CStringChecker.cpp">;
def CStringNotNullTerm : Checker<"NotNullTerminated">,
HelpText<"Check for arguments which are not null-terminating strings">,
DescFile<"CStringChecker.cpp">;
}
//===----------------------------------------------------------------------===//
// Mac OS X, Cocoa, and Core Foundation checkers.
//===----------------------------------------------------------------------===//
let ParentPackage = OSX in {
def MacOSXAPIChecker : Checker<"API">,
InPackage<OSX>,
HelpText<"Check for proper uses of various Mac OS X APIs">,
DescFile<"MacOSXAPIChecker.cpp">;
def OSAtomicChecker : Checker<"AtomicCAS">,
InPackage<OSX>,
HelpText<"Evaluate calls to OSAtomic functions">,
DescFile<"OSAtomicChecker.cpp">;
def MacOSKeychainAPIChecker : Checker<"SecKeychainAPI">,
InPackage<OSX>,
HelpText<"Check for proper uses of Secure Keychain APIs">,
DescFile<"MacOSKeychainAPIChecker.cpp">;
} // end "macosx"
let ParentPackage = Cocoa in {
def ObjCAtSyncChecker : Checker<"AtSync">,
HelpText<"Check for null pointers used as mutexes for @synchronized">,
DescFile<"ObjCAtSyncChecker.cpp">;
def NilArgChecker : Checker<"NilArg">,
HelpText<"Check for prohibited nil arguments to ObjC method calls">,
DescFile<"BasicObjCFoundationChecks.cpp">;
def ClassReleaseChecker : Checker<"ClassRelease">,
HelpText<"Check for sending 'retain', 'release', or 'autorelease' directly to a Class">,
DescFile<"BasicObjCFoundationChecks.cpp">;
def VariadicMethodTypeChecker : Checker<"VariadicMethodTypes">,
HelpText<"Check for passing non-Objective-C types to variadic methods that expect "
"only Objective-C types">,
DescFile<"BasicObjCFoundationChecks.cpp">;
def NSAutoreleasePoolChecker : Checker<"NSAutoreleasePool">,
HelpText<"Warn for suboptimal uses of NSAutoreleasePool in Objective-C GC mode">,
DescFile<"NSAutoreleasePoolChecker.cpp">;
def ObjCMethSigsChecker : Checker<"IncompatibleMethodTypes">,
HelpText<"Warn about Objective-C method signatures with type incompatibilities">,
DescFile<"CheckObjCInstMethSignature.cpp">;
def ObjCUnusedIvarsChecker : Checker<"UnusedIvars">,
HelpText<"Warn about private ivars that are never used">,
DescFile<"ObjCUnusedIVarsChecker.cpp">;
def ObjCSelfInitChecker : Checker<"SelfInit">,
HelpText<"Check that 'self' is properly initialized inside an initializer method">,
DescFile<"ObjCSelfInitChecker.cpp">;
def NSErrorChecker : Checker<"NSError">,
HelpText<"Check usage of NSError** parameters">,
DescFile<"NSErrorChecker.cpp">;
def RetainCountChecker : Checker<"RetainCount">,
HelpText<"Check for leaks and improper reference count management">,
DescFile<"RetainCountChecker.cpp">;
} // end "cocoa"
let ParentPackage = CocoaExperimental in {
def ObjCDeallocChecker : Checker<"Dealloc">,
HelpText<"Warn about Objective-C classes that lack a correct implementation of -dealloc">,
DescFile<"CheckObjCDealloc.cpp">;
} // end "cocoa.experimental"
let ParentPackage = CoreFoundation in {
def CFNumberCreateChecker : Checker<"CFNumber">,
HelpText<"Check for proper uses of CFNumberCreate">,
DescFile<"BasicObjCFoundationChecks.cpp">;
def CFRetainReleaseChecker : Checker<"CFRetainRelease">,
HelpText<"Check for null arguments to CFRetain/CFRelease">,
DescFile<"BasicObjCFoundationChecks.cpp">;
def CFErrorChecker : Checker<"CFError">,
HelpText<"Check usage of CFErrorRef* parameters">,
DescFile<"NSErrorChecker.cpp">;
}
let ParentPackage = Containers in {
def ObjCContainersASTChecker : Checker<"PointerSizedValues">,
HelpText<"Warns if 'CFArray', 'CFDictionary', 'CFSet' are created with non-pointer-size values">,
DescFile<"ObjCContainersASTChecker.cpp">;
def ObjCContainersChecker : Checker<"OutOfBounds">,
HelpText<"Checks for index out-of-bounds when using 'CFArray' API">,
DescFile<"ObjCContainersChecker.cpp">;
}
//===----------------------------------------------------------------------===//
// Checkers for LLVM development.
//===----------------------------------------------------------------------===//
def LLVMConventionsChecker : Checker<"Conventions">,
InPackage<LLVM>,
HelpText<"Check code for LLVM codebase conventions">,
DescFile<"LLVMConventionsChecker.cpp">;
//===----------------------------------------------------------------------===//
// Debugging checkers (for analyzer development).
//===----------------------------------------------------------------------===//
let ParentPackage = Debug in {
def DominatorsTreeDumper : Checker<"DumpDominators">,
HelpText<"Print the dominance tree for a given CFG">,
DescFile<"DebugCheckers.cpp">;
def LiveVariablesDumper : Checker<"DumpLiveVars">,
HelpText<"Print results of live variable analysis">,
DescFile<"DebugCheckers.cpp">;
def CFGViewer : Checker<"ViewCFG">,
HelpText<"View Control-Flow Graphs using GraphViz">,
DescFile<"DebugCheckers.cpp">;
def CFGDumper : Checker<"DumpCFG">,
HelpText<"Display Control-Flow Graphs">,
DescFile<"DebugCheckers.cpp">;
def CallGraphViewer : Checker<"ViewCallGraph">,
HelpText<"View Call Graph using GraphViz">,
DescFile<"DebugCheckers.cpp">;
def CallGraphDumper : Checker<"DumpCallGraph">,
HelpText<"Display Call Graph">,
DescFile<"DebugCheckers.cpp">;
def AnalyzerStatsChecker : Checker<"Stats">,
HelpText<"Emit warnings with analyzer statistics">,
DescFile<"AnalyzerStatsChecker.cpp">;
def TaintTesterChecker : Checker<"TaintTest">,
HelpText<"Mark tainted symbols as such.">,
DescFile<"TaintTesterChecker.cpp">;
} // end "debug"