diff options
Diffstat (limited to 'contrib/llvm/tools/clang/lib/Checker/NSAutoreleasePoolChecker.cpp')
-rw-r--r-- | contrib/llvm/tools/clang/lib/Checker/NSAutoreleasePoolChecker.cpp | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/contrib/llvm/tools/clang/lib/Checker/NSAutoreleasePoolChecker.cpp b/contrib/llvm/tools/clang/lib/Checker/NSAutoreleasePoolChecker.cpp deleted file mode 100644 index 48f03a3..0000000 --- a/contrib/llvm/tools/clang/lib/Checker/NSAutoreleasePoolChecker.cpp +++ /dev/null @@ -1,86 +0,0 @@ -//=- NSAutoreleasePoolChecker.cpp --------------------------------*- C++ -*-==// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file defines a NSAutoreleasePoolChecker, a small checker that warns -// about subpar uses of NSAutoreleasePool. Note that while the check itself -// (in it's current form) could be written as a flow-insensitive check, in -// can be potentially enhanced in the future with flow-sensitive information. -// It is also a good example of the CheckerVisitor interface. -// -//===----------------------------------------------------------------------===// - -#include "clang/Checker/BugReporter/BugReporter.h" -#include "clang/Checker/PathSensitive/GRExprEngine.h" -#include "clang/Checker/PathSensitive/CheckerVisitor.h" -#include "BasicObjCFoundationChecks.h" -#include "clang/AST/DeclObjC.h" -#include "clang/AST/Decl.h" - -using namespace clang; - -namespace { -class NSAutoreleasePoolChecker - : public CheckerVisitor<NSAutoreleasePoolChecker> { - - Selector releaseS; - -public: - NSAutoreleasePoolChecker(Selector release_s) : releaseS(release_s) {} - - static void *getTag() { - static int x = 0; - return &x; - } - - void PreVisitObjCMessageExpr(CheckerContext &C, const ObjCMessageExpr *ME); -}; - -} // end anonymous namespace - - -void clang::RegisterNSAutoreleasePoolChecks(GRExprEngine &Eng) { - ASTContext &Ctx = Eng.getContext(); - if (Ctx.getLangOptions().getGCMode() != LangOptions::NonGC) { - Eng.registerCheck(new NSAutoreleasePoolChecker(GetNullarySelector("release", - Ctx))); - } -} - -void -NSAutoreleasePoolChecker::PreVisitObjCMessageExpr(CheckerContext &C, - const ObjCMessageExpr *ME) { - - const Expr *receiver = ME->getInstanceReceiver(); - if (!receiver) - return; - - // FIXME: Enhance with value-tracking information instead of consulting - // the type of the expression. - const ObjCObjectPointerType* PT = - receiver->getType()->getAs<ObjCObjectPointerType>(); - - if (!PT) - return; - const ObjCInterfaceDecl* OD = PT->getInterfaceDecl(); - if (!OD) - return; - if (!OD->getIdentifier()->getName().equals("NSAutoreleasePool")) - return; - - // Sending 'release' message? - if (ME->getSelector() != releaseS) - return; - - SourceRange R = ME->getSourceRange(); - - C.getBugReporter().EmitBasicReport("Use -drain instead of -release", - "API Upgrade (Apple)", - "Use -drain instead of -release when using NSAutoreleasePool " - "and garbage collection", ME->getLocStart(), &R, 1); -} |