549 lines
21 KiB
TableGen
549 lines
21 KiB
TableGen
//===--- Checkers.td - Static Analyzer Checkers -===-----------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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include "clang/StaticAnalyzer/Checkers/CheckerBase.td"
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//===----------------------------------------------------------------------===//
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// Packages.
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//===----------------------------------------------------------------------===//
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def Alpha : Package<"alpha">;
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def Core : Package<"core">;
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def CoreBuiltin : Package<"builtin">, InPackage<Core>;
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def CoreUninitialized : Package<"uninitialized">, InPackage<Core>;
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def CoreAlpha : Package<"core">, InPackage<Alpha>, Hidden;
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def Cplusplus : Package<"cplusplus">;
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def CplusplusAlpha : Package<"cplusplus">, InPackage<Alpha>, Hidden;
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def DeadCode : Package<"deadcode">;
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def DeadCodeAlpha : Package<"deadcode">, InPackage<Alpha>, Hidden;
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def Security : Package <"security">;
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def InsecureAPI : Package<"insecureAPI">, InPackage<Security>;
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def SecurityAlpha : Package<"security">, InPackage<Alpha>, Hidden;
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def Taint : Package<"taint">, InPackage<SecurityAlpha>, Hidden;
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def Unix : Package<"unix">;
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def UnixAlpha : Package<"unix">, InPackage<Alpha>, Hidden;
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def CString : Package<"cstring">, InPackage<Unix>, Hidden;
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def CStringAlpha : Package<"cstring">, InPackage<UnixAlpha>, Hidden;
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def OSX : Package<"osx">;
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def OSXAlpha : Package<"osx">, InPackage<Alpha>, Hidden;
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def Cocoa : Package<"cocoa">, InPackage<OSX>;
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def CocoaAlpha : Package<"cocoa">, InPackage<OSXAlpha>, Hidden;
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def CoreFoundation : Package<"coreFoundation">, InPackage<OSX>;
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def Containers : Package<"containers">, InPackage<CoreFoundation>;
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def LLVM : Package<"llvm">;
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def Debug : Package<"debug">;
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//===----------------------------------------------------------------------===//
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// Core Checkers.
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//===----------------------------------------------------------------------===//
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let ParentPackage = Core in {
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def DereferenceChecker : Checker<"NullDereference">,
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HelpText<"Check for dereferences of null pointers">,
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DescFile<"DereferenceChecker.cpp">;
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def CallAndMessageChecker : Checker<"CallAndMessage">,
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HelpText<"Check for logical errors for function calls and Objective-C message expressions (e.g., uninitialized arguments, null function pointers)">,
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DescFile<"CallAndMessageChecker.cpp">;
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def NonNullParamChecker : Checker<"NonNullParamChecker">,
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HelpText<"Check for null pointers passed as arguments to a function whose arguments are references or marked with the 'nonnull' attribute">,
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DescFile<"NonNullParamChecker.cpp">;
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def VLASizeChecker : Checker<"VLASize">,
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HelpText<"Check for declarations of VLA of undefined or zero size">,
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DescFile<"VLASizeChecker.cpp">;
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def DivZeroChecker : Checker<"DivideZero">,
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HelpText<"Check for division by zero">,
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DescFile<"DivZeroChecker.cpp">;
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def UndefResultChecker : Checker<"UndefinedBinaryOperatorResult">,
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HelpText<"Check for undefined results of binary operators">,
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DescFile<"UndefResultChecker.cpp">;
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def StackAddrEscapeChecker : Checker<"StackAddressEscape">,
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HelpText<"Check that addresses to stack memory do not escape the function">,
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DescFile<"StackAddrEscapeChecker.cpp">;
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def DynamicTypePropagation : Checker<"DynamicTypePropagation">,
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HelpText<"Generate dynamic type information">,
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DescFile<"DynamicTypePropagation.cpp">;
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} // end "core"
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let ParentPackage = CoreAlpha in {
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def BoolAssignmentChecker : Checker<"BoolAssignment">,
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HelpText<"Warn about assigning non-{0,1} values to Boolean variables">,
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DescFile<"BoolAssignmentChecker.cpp">;
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def CastSizeChecker : Checker<"CastSize">,
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HelpText<"Check when casting a malloc'ed type T, whether the size is a multiple of the size of T">,
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DescFile<"CastSizeChecker.cpp">;
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def CastToStructChecker : Checker<"CastToStruct">,
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HelpText<"Check for cast from non-struct pointer to struct pointer">,
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DescFile<"CastToStructChecker.cpp">;
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def IdenticalExprChecker : Checker<"IdenticalExpr">,
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HelpText<"Warn about unintended use of identical expressions in operators">,
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DescFile<"IdenticalExprChecker.cpp">;
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def FixedAddressChecker : Checker<"FixedAddr">,
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HelpText<"Check for assignment of a fixed address to a pointer">,
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DescFile<"FixedAddressChecker.cpp">;
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def PointerArithChecker : Checker<"PointerArithm">,
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HelpText<"Check for pointer arithmetic on locations other than array elements">,
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DescFile<"PointerArithChecker">;
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def PointerSubChecker : Checker<"PointerSub">,
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HelpText<"Check for pointer subtractions on two pointers pointing to different memory chunks">,
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DescFile<"PointerSubChecker">;
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def SizeofPointerChecker : Checker<"SizeofPtr">,
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HelpText<"Warn about unintended use of sizeof() on pointer expressions">,
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DescFile<"CheckSizeofPointer.cpp">;
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} // end "alpha.core"
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//===----------------------------------------------------------------------===//
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// Evaluate "builtin" functions.
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//===----------------------------------------------------------------------===//
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let ParentPackage = CoreBuiltin in {
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def NoReturnFunctionChecker : Checker<"NoReturnFunctions">,
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HelpText<"Evaluate \"panic\" functions that are known to not return to the caller">,
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DescFile<"NoReturnFunctionChecker.cpp">;
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def BuiltinFunctionChecker : Checker<"BuiltinFunctions">,
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HelpText<"Evaluate compiler builtin functions (e.g., alloca())">,
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DescFile<"BuiltinFunctionChecker.cpp">;
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} // end "core.builtin"
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//===----------------------------------------------------------------------===//
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// Uninitialized values checkers.
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//===----------------------------------------------------------------------===//
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let ParentPackage = CoreUninitialized in {
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def UndefinedArraySubscriptChecker : Checker<"ArraySubscript">,
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HelpText<"Check for uninitialized values used as array subscripts">,
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DescFile<"UndefinedArraySubscriptChecker.cpp">;
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def UndefinedAssignmentChecker : Checker<"Assign">,
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HelpText<"Check for assigning uninitialized values">,
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DescFile<"UndefinedAssignmentChecker.cpp">;
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def UndefBranchChecker : Checker<"Branch">,
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HelpText<"Check for uninitialized values used as branch conditions">,
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DescFile<"UndefBranchChecker.cpp">;
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def UndefCapturedBlockVarChecker : Checker<"CapturedBlockVariable">,
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HelpText<"Check for blocks that capture uninitialized values">,
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DescFile<"UndefCapturedBlockVarChecker.cpp">;
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def ReturnUndefChecker : Checker<"UndefReturn">,
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HelpText<"Check for uninitialized values being returned to the caller">,
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DescFile<"ReturnUndefChecker.cpp">;
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} // end "core.uninitialized"
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//===----------------------------------------------------------------------===//
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// C++ checkers.
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//===----------------------------------------------------------------------===//
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let ParentPackage = Cplusplus in {
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def NewDeleteChecker : Checker<"NewDelete">,
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HelpText<"Check for double-free and use-after-free problems. Traces memory managed by new/delete.">,
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DescFile<"MallocChecker.cpp">;
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} // end: "cplusplus"
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let ParentPackage = CplusplusAlpha in {
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def VirtualCallChecker : Checker<"VirtualCall">,
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HelpText<"Check virtual function calls during construction or destruction">,
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DescFile<"VirtualCallChecker.cpp">;
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def NewDeleteLeaksChecker : Checker<"NewDeleteLeaks">,
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HelpText<"Check for memory leaks. Traces memory managed by new/delete.">,
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DescFile<"MallocChecker.cpp">;
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} // end: "alpha.cplusplus"
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//===----------------------------------------------------------------------===//
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// Deadcode checkers.
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//===----------------------------------------------------------------------===//
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let ParentPackage = DeadCode in {
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def DeadStoresChecker : Checker<"DeadStores">,
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HelpText<"Check for values stored to variables that are never read afterwards">,
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DescFile<"DeadStoresChecker.cpp">;
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} // end DeadCode
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let ParentPackage = DeadCodeAlpha in {
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def IdempotentOperationChecker : Checker<"IdempotentOperations">,
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HelpText<"Warn about idempotent operations">,
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DescFile<"IdempotentOperationChecker.cpp">;
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def UnreachableCodeChecker : Checker<"UnreachableCode">,
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HelpText<"Check unreachable code">,
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DescFile<"UnreachableCodeChecker.cpp">;
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} // end "alpha.deadcode"
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//===----------------------------------------------------------------------===//
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// Security checkers.
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//===----------------------------------------------------------------------===//
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let ParentPackage = InsecureAPI in {
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def gets : Checker<"gets">,
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HelpText<"Warn on uses of the 'gets' function">,
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DescFile<"CheckSecuritySyntaxOnly.cpp">;
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def getpw : Checker<"getpw">,
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HelpText<"Warn on uses of the 'getpw' function">,
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DescFile<"CheckSecuritySyntaxOnly.cpp">;
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def mktemp : Checker<"mktemp">,
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HelpText<"Warn on uses of the 'mktemp' function">,
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DescFile<"CheckSecuritySyntaxOnly.cpp">;
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def mkstemp : Checker<"mkstemp">,
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HelpText<"Warn when 'mkstemp' is passed fewer than 6 X's in the format string">,
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DescFile<"CheckSecuritySyntaxOnly.cpp">;
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def rand : Checker<"rand">,
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HelpText<"Warn on uses of the 'rand', 'random', and related functions">,
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DescFile<"CheckSecuritySyntaxOnly.cpp">;
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def strcpy : Checker<"strcpy">,
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HelpText<"Warn on uses of the 'strcpy' and 'strcat' functions">,
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DescFile<"CheckSecuritySyntaxOnly.cpp">;
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def vfork : Checker<"vfork">,
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HelpText<"Warn on uses of the 'vfork' function">,
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DescFile<"CheckSecuritySyntaxOnly.cpp">;
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def UncheckedReturn : Checker<"UncheckedReturn">,
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HelpText<"Warn on uses of functions whose return values must be always checked">,
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DescFile<"CheckSecuritySyntaxOnly.cpp">;
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}
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let ParentPackage = Security in {
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def FloatLoopCounter : Checker<"FloatLoopCounter">,
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HelpText<"Warn on using a floating point value as a loop counter (CERT: FLP30-C, FLP30-CPP)">,
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DescFile<"CheckSecuritySyntaxOnly.cpp">;
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}
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let ParentPackage = SecurityAlpha in {
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def ArrayBoundChecker : Checker<"ArrayBound">,
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HelpText<"Warn about buffer overflows (older checker)">,
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DescFile<"ArrayBoundChecker.cpp">;
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def ArrayBoundCheckerV2 : Checker<"ArrayBoundV2">,
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HelpText<"Warn about buffer overflows (newer checker)">,
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DescFile<"ArrayBoundCheckerV2.cpp">;
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def ReturnPointerRangeChecker : Checker<"ReturnPtrRange">,
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HelpText<"Check for an out-of-bound pointer being returned to callers">,
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DescFile<"ReturnPointerRangeChecker.cpp">;
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def MallocOverflowSecurityChecker : Checker<"MallocOverflow">,
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HelpText<"Check for overflows in the arguments to malloc()">,
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DescFile<"MallocOverflowSecurityChecker.cpp">;
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} // end "alpha.security"
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//===----------------------------------------------------------------------===//
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// Taint checkers.
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//===----------------------------------------------------------------------===//
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let ParentPackage = Taint in {
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def GenericTaintChecker : Checker<"TaintPropagation">,
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HelpText<"Generate taint information used by other checkers">,
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DescFile<"GenericTaintChecker.cpp">;
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} // end "alpha.security.taint"
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//===----------------------------------------------------------------------===//
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// Unix API checkers.
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//===----------------------------------------------------------------------===//
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let ParentPackage = Unix in {
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def UnixAPIChecker : Checker<"API">,
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HelpText<"Check calls to various UNIX/Posix functions">,
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DescFile<"UnixAPIChecker.cpp">;
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def MallocPessimistic : Checker<"Malloc">,
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HelpText<"Check for memory leaks, double free, and use-after-free problems. Traces memory managed by malloc()/free().">,
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DescFile<"MallocChecker.cpp">;
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def MallocSizeofChecker : Checker<"MallocSizeof">,
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HelpText<"Check for dubious malloc arguments involving sizeof">,
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DescFile<"MallocSizeofChecker.cpp">;
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def MismatchedDeallocatorChecker : Checker<"MismatchedDeallocator">,
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HelpText<"Check for mismatched deallocators.">,
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DescFile<"MallocChecker.cpp">;
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} // end "unix"
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let ParentPackage = UnixAlpha in {
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def ChrootChecker : Checker<"Chroot">,
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HelpText<"Check improper use of chroot">,
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DescFile<"ChrootChecker.cpp">;
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def MallocOptimistic : Checker<"MallocWithAnnotations">,
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HelpText<"Check for memory leaks, double free, and use-after-free problems. Traces memory managed by malloc()/free(). Assumes that all user-defined functions which might free a pointer are annotated.">,
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DescFile<"MallocChecker.cpp">;
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def PthreadLockChecker : Checker<"PthreadLock">,
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HelpText<"Simple lock -> unlock checker">,
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DescFile<"PthreadLockChecker.cpp">;
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def StreamChecker : Checker<"Stream">,
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HelpText<"Check stream handling functions">,
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DescFile<"StreamChecker.cpp">;
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def SimpleStreamChecker : Checker<"SimpleStream">,
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HelpText<"Check for misuses of stream APIs">,
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DescFile<"SimpleStreamChecker.cpp">;
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} // end "alpha.unix"
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let ParentPackage = CString in {
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def CStringNullArg : Checker<"NullArg">,
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HelpText<"Check for null pointers being passed as arguments to C string functions">,
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DescFile<"CStringChecker.cpp">;
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def CStringSyntaxChecker : Checker<"BadSizeArg">,
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HelpText<"Check the size argument passed into C string functions for common erroneous patterns">,
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DescFile<"CStringSyntaxChecker.cpp">;
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}
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let ParentPackage = CStringAlpha in {
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def CStringOutOfBounds : Checker<"OutOfBounds">,
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HelpText<"Check for out-of-bounds access in string functions">,
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DescFile<"CStringChecker.cpp">;
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def CStringBufferOverlap : Checker<"BufferOverlap">,
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HelpText<"Checks for overlap in two buffer arguments">,
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DescFile<"CStringChecker.cpp">;
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def CStringNotNullTerm : Checker<"NotNullTerminated">,
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HelpText<"Check for arguments which are not null-terminating strings">,
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DescFile<"CStringChecker.cpp">;
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}
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//===----------------------------------------------------------------------===//
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// Mac OS X, Cocoa, and Core Foundation checkers.
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//===----------------------------------------------------------------------===//
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let ParentPackage = OSX in {
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def MacOSXAPIChecker : Checker<"API">,
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InPackage<OSX>,
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HelpText<"Check for proper uses of various Apple APIs">,
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DescFile<"MacOSXAPIChecker.cpp">;
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def MacOSKeychainAPIChecker : Checker<"SecKeychainAPI">,
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InPackage<OSX>,
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HelpText<"Check for proper uses of Secure Keychain APIs">,
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DescFile<"MacOSKeychainAPIChecker.cpp">;
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} // end "osx"
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let ParentPackage = Cocoa in {
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def ObjCAtSyncChecker : Checker<"AtSync">,
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HelpText<"Check for nil pointers used as mutexes for @synchronized">,
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DescFile<"ObjCAtSyncChecker.cpp">;
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def NilArgChecker : Checker<"NilArg">,
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HelpText<"Check for prohibited nil arguments to ObjC method calls">,
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DescFile<"BasicObjCFoundationChecks.cpp">;
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def ClassReleaseChecker : Checker<"ClassRelease">,
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HelpText<"Check for sending 'retain', 'release', or 'autorelease' directly to a Class">,
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DescFile<"BasicObjCFoundationChecks.cpp">;
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def VariadicMethodTypeChecker : Checker<"VariadicMethodTypes">,
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HelpText<"Check for passing non-Objective-C types to variadic collection "
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"initialization methods that expect only Objective-C types">,
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DescFile<"BasicObjCFoundationChecks.cpp">;
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def NSAutoreleasePoolChecker : Checker<"NSAutoreleasePool">,
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HelpText<"Warn for suboptimal uses of NSAutoreleasePool in Objective-C GC mode">,
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DescFile<"NSAutoreleasePoolChecker.cpp">;
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def ObjCMethSigsChecker : Checker<"IncompatibleMethodTypes">,
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HelpText<"Warn about Objective-C method signatures with type incompatibilities">,
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DescFile<"CheckObjCInstMethSignature.cpp">;
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def ObjCUnusedIvarsChecker : Checker<"UnusedIvars">,
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HelpText<"Warn about private ivars that are never used">,
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DescFile<"ObjCUnusedIVarsChecker.cpp">;
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def ObjCSelfInitChecker : Checker<"SelfInit">,
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HelpText<"Check that 'self' is properly initialized inside an initializer method">,
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DescFile<"ObjCSelfInitChecker.cpp">;
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def ObjCLoopChecker : Checker<"Loops">,
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HelpText<"Improved modeling of loops using Cocoa collection types">,
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DescFile<"BasicObjCFoundationChecks.cpp">;
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def ObjCNonNilReturnValueChecker : Checker<"NonNilReturnValue">,
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HelpText<"Model the APIs that are guaranteed to return a non-nil value">,
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DescFile<"BasicObjCFoundationChecks.cpp">;
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def NSErrorChecker : Checker<"NSError">,
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HelpText<"Check usage of NSError** parameters">,
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DescFile<"NSErrorChecker.cpp">;
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def RetainCountChecker : Checker<"RetainCount">,
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HelpText<"Check for leaks and improper reference count management">,
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DescFile<"RetainCountChecker.cpp">;
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} // end "osx.cocoa"
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let ParentPackage = CocoaAlpha in {
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def ObjCDeallocChecker : Checker<"Dealloc">,
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HelpText<"Warn about Objective-C classes that lack a correct implementation of -dealloc">,
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DescFile<"CheckObjCDealloc.cpp">;
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def InstanceVariableInvalidation : Checker<"InstanceVariableInvalidation">,
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HelpText<"Check that the invalidatable instance variables are invalidated in the methods annotated with objc_instance_variable_invalidator">,
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DescFile<"IvarInvalidationChecker.cpp">;
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def MissingInvalidationMethod : Checker<"MissingInvalidationMethod">,
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HelpText<"Check that the invalidation methods are present in classes that contain invalidatable instance variables">,
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DescFile<"IvarInvalidationChecker.cpp">;
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def DirectIvarAssignment : Checker<"DirectIvarAssignment">,
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HelpText<"Check for direct assignments to instance variables">,
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DescFile<"DirectIvarAssignment.cpp">;
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def DirectIvarAssignmentForAnnotatedFunctions : Checker<"DirectIvarAssignmentForAnnotatedFunctions">,
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HelpText<"Check for direct assignments to instance variables in the methods annotated with objc_no_direct_instance_variable_assignment">,
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DescFile<"DirectIvarAssignment.cpp">;
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def ObjCSuperCallChecker : Checker<"MissingSuperCall">,
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HelpText<"Warn about Objective-C methods that lack a necessary call to super">,
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DescFile<"ObjCMissingSuperCallChecker.cpp">;
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} // end "alpha.osx.cocoa"
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let ParentPackage = CoreFoundation in {
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def CFNumberCreateChecker : Checker<"CFNumber">,
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HelpText<"Check for proper uses of CFNumberCreate">,
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DescFile<"BasicObjCFoundationChecks.cpp">;
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def CFRetainReleaseChecker : Checker<"CFRetainRelease">,
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HelpText<"Check for null arguments to CFRetain/CFRelease/CFMakeCollectable">,
|
|
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 ConfigDumper : Checker<"ConfigDumper">,
|
|
HelpText<"Dump config table">,
|
|
DescFile<"DebugCheckers.cpp">;
|
|
|
|
def TraversalDumper : Checker<"DumpTraversal">,
|
|
HelpText<"Print branch conditions as they are traversed by the engine">,
|
|
DescFile<"TraversalChecker.cpp">;
|
|
|
|
def CallDumper : Checker<"DumpCalls">,
|
|
HelpText<"Print calls as they are traversed by the engine">,
|
|
DescFile<"TraversalChecker.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">;
|
|
|
|
def ExprInspectionChecker : Checker<"ExprInspection">,
|
|
HelpText<"Check the analyzer's understanding of expressions">,
|
|
DescFile<"ExprInspectionChecker.cpp">;
|
|
|
|
def ExplodedGraphViewer : Checker<"ViewExplodedGraph">,
|
|
HelpText<"View Exploded Graphs using GraphViz">,
|
|
DescFile<"DebugCheckers.cpp">;
|
|
|
|
} // end "debug"
|