From: Jordan Rose Date: Fri, 2 Nov 2012 01:54:42 +0000 (+0000) Subject: [analyzer] Convert some of the harder cases over to ProgramStateTrait macros. X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b9ed61f93d00501eaecb23cc34371be5ff0afd3c;p=platform%2Fupstream%2Fllvm.git [analyzer] Convert some of the harder cases over to ProgramStateTrait macros. Add FIXMEs for the traits visible from multiple translation units. Currently the macros hide their key types in an anonymous namespace. llvm-svn: 167277 --- diff --git a/clang/include/clang/StaticAnalyzer/Core/PathSensitive/ExprEngine.h b/clang/include/clang/StaticAnalyzer/Core/PathSensitive/ExprEngine.h index ec8854a..eba9cc4 100644 --- a/clang/include/clang/StaticAnalyzer/Core/PathSensitive/ExprEngine.h +++ b/clang/include/clang/StaticAnalyzer/Core/PathSensitive/ExprEngine.h @@ -515,6 +515,8 @@ private: /// Traits for storing the call processing policy inside GDM. /// The GDM stores the corresponding CallExpr pointer. +// FIXME: This does not use the nice trait macros because it must be accessible +// from multiple translation units. struct ReplayWithoutInlining{}; template <> struct ProgramStateTrait : diff --git a/clang/include/clang/StaticAnalyzer/Core/PathSensitive/TaintManager.h b/clang/include/clang/StaticAnalyzer/Core/PathSensitive/TaintManager.h index 53205d3..c274cea 100644 --- a/clang/include/clang/StaticAnalyzer/Core/PathSensitive/TaintManager.h +++ b/clang/include/clang/StaticAnalyzer/Core/PathSensitive/TaintManager.h @@ -22,6 +22,8 @@ namespace ento { /// The GDM component containing the tainted root symbols. We lazily infer the /// taint of the dependent symbols. Currently, this is a map from a symbol to /// tag kind. TODO: Should support multiple tag kinds. +// FIXME: This does not use the nice trait macros because it must be accessible +// from multiple translation units. struct TaintMap {}; typedef llvm::ImmutableMap TaintMapImpl; template<> struct ProgramStateTrait diff --git a/clang/lib/StaticAnalyzer/Checkers/NSErrorChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/NSErrorChecker.cpp index 012bca0..7a66ec3 100644 --- a/clang/lib/StaticAnalyzer/Checkers/NSErrorChecker.cpp +++ b/clang/lib/StaticAnalyzer/Checkers/NSErrorChecker.cpp @@ -163,23 +163,9 @@ public: }; } -namespace { struct NSErrorOut {}; } -namespace { struct CFErrorOut {}; } - typedef llvm::ImmutableMap ErrorOutFlag; - -namespace clang { -namespace ento { - template <> - struct ProgramStateTrait : public ProgramStatePartialTrait { - static void *GDMIndex() { static int index = 0; return &index; } - }; - template <> - struct ProgramStateTrait : public ProgramStatePartialTrait { - static void *GDMIndex() { static int index = 0; return &index; } - }; -} -} +REGISTER_TRAIT_WITH_PROGRAMSTATE(NSErrorOut, ErrorOutFlag) +REGISTER_TRAIT_WITH_PROGRAMSTATE(CFErrorOut, ErrorOutFlag) template static bool hasFlag(SVal val, ProgramStateRef state) { diff --git a/clang/lib/StaticAnalyzer/Checkers/ObjCSelfInitChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/ObjCSelfInitChecker.cpp index 485959a..f83acd9 100644 --- a/clang/lib/StaticAnalyzer/Checkers/ObjCSelfInitChecker.cpp +++ b/clang/lib/StaticAnalyzer/Checkers/ObjCSelfInitChecker.cpp @@ -99,31 +99,14 @@ enum SelfFlagEnum { }; } -typedef llvm::ImmutableMap SelfFlag; -namespace { struct CalledInit {}; } -namespace { struct PreCallSelfFlags {}; } - -namespace clang { -namespace ento { - template<> - struct ProgramStateTrait : public ProgramStatePartialTrait { - static void *GDMIndex() { static int index = 0; return &index; } - }; - template <> - struct ProgramStateTrait : public ProgramStatePartialTrait { - static void *GDMIndex() { static int index = 0; return &index; } - }; - - /// \brief A call receiving a reference to 'self' invalidates the object that - /// 'self' contains. This keeps the "self flags" assigned to the 'self' - /// object before the call so we can assign them to the new object that 'self' - /// points to after the call. - template <> - struct ProgramStateTrait : public ProgramStatePartialTrait { - static void *GDMIndex() { static int index = 0; return &index; } - }; -} -} +REGISTER_MAP_WITH_PROGRAMSTATE(SelfFlag, SymbolRef, unsigned) +REGISTER_TRAIT_WITH_PROGRAMSTATE(CalledInit, bool) + +/// \brief A call receiving a reference to 'self' invalidates the object that +/// 'self' contains. This keeps the "self flags" assigned to the 'self' +/// object before the call so we can assign them to the new object that 'self' +/// points to after the call. +REGISTER_TRAIT_WITH_PROGRAMSTATE(PreCallSelfFlags, unsigned) static SelfFlagEnum getSelfFlags(SVal val, ProgramStateRef state) { if (SymbolRef sym = val.getAsSymbol()) @@ -351,7 +334,7 @@ void ObjCSelfInitChecker::checkBind(SVal loc, SVal val, const Stmt *S, void ObjCSelfInitChecker::printState(raw_ostream &Out, ProgramStateRef State, const char *NL, const char *Sep) const { - SelfFlag FlagMap = State->get(); + SelfFlagTy FlagMap = State->get(); bool DidCallInit = State->get(); SelfFlagEnum PreCallFlags = (SelfFlagEnum)State->get(); @@ -375,7 +358,8 @@ void ObjCSelfInitChecker::printState(raw_ostream &Out, ProgramStateRef State, } Out << NL; - for (SelfFlag::iterator I = FlagMap.begin(), E = FlagMap.end(); I != E; ++I) { + for (SelfFlagTy::iterator I = FlagMap.begin(), E = FlagMap.end(); + I != E; ++I) { Out << I->first << " : "; if (I->second == SelfFlag_None) diff --git a/clang/lib/StaticAnalyzer/Checkers/StreamChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/StreamChecker.cpp index d021770..c06ba7c 100644 --- a/clang/lib/StaticAnalyzer/Checkers/StreamChecker.cpp +++ b/clang/lib/StaticAnalyzer/Checkers/StreamChecker.cpp @@ -104,15 +104,8 @@ private: } // end anonymous namespace -namespace clang { -namespace ento { - template <> - struct ProgramStateTrait - : public ProgramStatePartialTrait > { - static void *GDMIndex() { static int x; return &x; } - }; -} -} +REGISTER_MAP_WITH_PROGRAMSTATE(StreamMap, SymbolRef, StreamState) + bool StreamChecker::evalCall(const CallExpr *CE, CheckerContext &C) const { const FunctionDecl *FD = C.getCalleeDecl(CE); @@ -235,9 +228,9 @@ void StreamChecker::OpenFileAux(CheckerContext &C, const CallExpr *CE) const { if (SymbolRef Sym = RetVal.getAsSymbol()) { // if RetVal is not NULL, set the symbol's state to Opened. stateNotNull = - stateNotNull->set(Sym,StreamState::getOpened(CE)); + stateNotNull->set(Sym,StreamState::getOpened(CE)); stateNull = - stateNull->set(Sym, StreamState::getOpenFailed(CE)); + stateNull->set(Sym, StreamState::getOpenFailed(CE)); C.addTransition(stateNotNull); C.addTransition(stateNull); @@ -378,7 +371,7 @@ ProgramStateRef StreamChecker::CheckDoubleClose(const CallExpr *CE, if (!Sym) return state; - const StreamState *SS = state->get(Sym); + const StreamState *SS = state->get(Sym); // If the file stream is not tracked, return. if (!SS) @@ -401,7 +394,7 @@ ProgramStateRef StreamChecker::CheckDoubleClose(const CallExpr *CE, } // Close the File Descriptor. - return state->set(Sym, StreamState::getClosed(CE)); + return state->set(Sym, StreamState::getClosed(CE)); } void StreamChecker::checkDeadSymbols(SymbolReaper &SymReaper, @@ -411,7 +404,7 @@ void StreamChecker::checkDeadSymbols(SymbolReaper &SymReaper, E = SymReaper.dead_end(); I != E; ++I) { SymbolRef Sym = *I; ProgramStateRef state = C.getState(); - const StreamState *SS = state->get(Sym); + const StreamState *SS = state->get(Sym); // TODO: Shouldn't we have a continue here? if (!SS) return; @@ -432,10 +425,9 @@ void StreamChecker::checkDeadSymbols(SymbolReaper &SymReaper, void StreamChecker::checkEndPath(CheckerContext &Ctx) const { ProgramStateRef state = Ctx.getState(); - typedef llvm::ImmutableMap SymMap; - SymMap M = state->get(); + StreamMapTy M = state->get(); - for (SymMap::iterator I = M.begin(), E = M.end(); I != E; ++I) { + for (StreamMapTy::iterator I = M.begin(), E = M.end(); I != E; ++I) { StreamState SS = I->second; if (SS.isOpened()) { ExplodedNode *N = Ctx.addTransition(state); @@ -462,12 +454,12 @@ void StreamChecker::checkPreStmt(const ReturnStmt *S, CheckerContext &C) const { if (!Sym) return; - const StreamState *SS = state->get(Sym); + const StreamState *SS = state->get(Sym); if(!SS) return; if (SS->isOpened()) - state = state->set(Sym, StreamState::getEscaped(S)); + state = state->set(Sym, StreamState::getEscaped(S)); C.addTransition(state); }