diff options
author | Ted Kremenek <kremenek@apple.com> | 2010-12-23 19:38:26 +0000 |
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committer | Ted Kremenek <kremenek@apple.com> | 2010-12-23 19:38:26 +0000 |
commit | 21142581d55918beed544a757e4af3bb865b1812 (patch) | |
tree | c630a6cf82f6953372f1ea8f700d0d0a9372472c /lib/EntoSA/Checkers/NoReturnFunctionChecker.cpp | |
parent | fd03843f0597de5eeced69ca9ae45c478fb2b153 (diff) |
Chris Lattner has strong opinions about directory
layout. :)
Rename the 'EntoSA' directories to 'StaticAnalyzer'.
Internally we will still use the 'ento' namespace
for the analyzer engine (unless there are further
sabre rattlings...).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122514 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/EntoSA/Checkers/NoReturnFunctionChecker.cpp')
-rw-r--r-- | lib/EntoSA/Checkers/NoReturnFunctionChecker.cpp | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/lib/EntoSA/Checkers/NoReturnFunctionChecker.cpp b/lib/EntoSA/Checkers/NoReturnFunctionChecker.cpp deleted file mode 100644 index 4b96ddba39..0000000000 --- a/lib/EntoSA/Checkers/NoReturnFunctionChecker.cpp +++ /dev/null @@ -1,80 +0,0 @@ -//=== NoReturnFunctionChecker.cpp -------------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This defines NoReturnFunctionChecker, which evaluates functions that do not -// return to the caller. -// -//===----------------------------------------------------------------------===// - -#include "ExprEngineInternalChecks.h" -#include "clang/EntoSA/PathSensitive/CheckerVisitor.h" -#include "llvm/ADT/StringSwitch.h" - -using namespace clang; -using namespace ento; - -namespace { - -class NoReturnFunctionChecker : public CheckerVisitor<NoReturnFunctionChecker> { -public: - static void *getTag() { static int tag = 0; return &tag; } - void PostVisitCallExpr(CheckerContext &C, const CallExpr *CE); -}; - -} - -void ento::RegisterNoReturnFunctionChecker(ExprEngine &Eng) { - Eng.registerCheck(new NoReturnFunctionChecker()); -} - -void NoReturnFunctionChecker::PostVisitCallExpr(CheckerContext &C, - const CallExpr *CE) { - const GRState *state = C.getState(); - const Expr *Callee = CE->getCallee(); - - bool BuildSinks = getFunctionExtInfo(Callee->getType()).getNoReturn(); - - if (!BuildSinks) { - SVal L = state->getSVal(Callee); - const FunctionDecl *FD = L.getAsFunctionDecl(); - if (!FD) - return; - - if (FD->getAttr<AnalyzerNoReturnAttr>()) - BuildSinks = true; - else if (const IdentifierInfo *II = FD->getIdentifier()) { - // HACK: Some functions are not marked noreturn, and don't return. - // Here are a few hardwired ones. If this takes too long, we can - // potentially cache these results. - BuildSinks - = llvm::StringSwitch<bool>(llvm::StringRef(II->getName())) - .Case("exit", true) - .Case("panic", true) - .Case("error", true) - .Case("Assert", true) - // FIXME: This is just a wrapper around throwing an exception. - // Eventually inter-procedural analysis should handle this easily. - .Case("ziperr", true) - .Case("assfail", true) - .Case("db_error", true) - .Case("__assert", true) - .Case("__assert_rtn", true) - .Case("__assert_fail", true) - .Case("dtrace_assfail", true) - .Case("yy_fatal_error", true) - .Case("_XCAssertionFailureHandler", true) - .Case("_DTAssertionFailureHandler", true) - .Case("_TSAssertionFailureHandler", true) - .Default(false); - } - } - - if (BuildSinks) - C.generateSink(CE); -} |