CheckerManager.cpp revision 42e95acef35f4633119be1c1381e88878c966502
143dee220252ef0b42c5f8a3bb1eca97f84f2565fArgyrios Kyrtzidis//===--- CheckerManager.cpp - Static Analyzer Checker Manager -------------===// 243dee220252ef0b42c5f8a3bb1eca97f84f2565fArgyrios Kyrtzidis// 343dee220252ef0b42c5f8a3bb1eca97f84f2565fArgyrios Kyrtzidis// The LLVM Compiler Infrastructure 443dee220252ef0b42c5f8a3bb1eca97f84f2565fArgyrios Kyrtzidis// 543dee220252ef0b42c5f8a3bb1eca97f84f2565fArgyrios Kyrtzidis// This file is distributed under the University of Illinois Open Source 643dee220252ef0b42c5f8a3bb1eca97f84f2565fArgyrios Kyrtzidis// License. See LICENSE.TXT for details. 743dee220252ef0b42c5f8a3bb1eca97f84f2565fArgyrios Kyrtzidis// 843dee220252ef0b42c5f8a3bb1eca97f84f2565fArgyrios Kyrtzidis//===----------------------------------------------------------------------===// 943dee220252ef0b42c5f8a3bb1eca97f84f2565fArgyrios Kyrtzidis// 1043dee220252ef0b42c5f8a3bb1eca97f84f2565fArgyrios Kyrtzidis// Defines the Static Analyzer Checker Manager. 1143dee220252ef0b42c5f8a3bb1eca97f84f2565fArgyrios Kyrtzidis// 1243dee220252ef0b42c5f8a3bb1eca97f84f2565fArgyrios Kyrtzidis//===----------------------------------------------------------------------===// 1343dee220252ef0b42c5f8a3bb1eca97f84f2565fArgyrios Kyrtzidis 1443dee220252ef0b42c5f8a3bb1eca97f84f2565fArgyrios Kyrtzidis#include "clang/StaticAnalyzer/Core/CheckerManager.h" 15ca804539d908d3a0e8c72a0df5f1f571d29490bbTed Kremenek#include "clang/StaticAnalyzer/Core/Checker.h" 16769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis#include "clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h" 17f540c54701e3eeb34cb619a3a4eb18f1ac70ef2dJordan Rose#include "clang/StaticAnalyzer/Core/PathSensitive/CallEvent.h" 18769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis#include "clang/Analysis/ProgramPoint.h" 199fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis#include "clang/AST/DeclBase.h" 2043dee220252ef0b42c5f8a3bb1eca97f84f2565fArgyrios Kyrtzidis 2143dee220252ef0b42c5f8a3bb1eca97f84f2565fArgyrios Kyrtzidisusing namespace clang; 2243dee220252ef0b42c5f8a3bb1eca97f84f2565fArgyrios Kyrtzidisusing namespace ento; 2343dee220252ef0b42c5f8a3bb1eca97f84f2565fArgyrios Kyrtzidis 24d655ab28fdf7c940d3f79f8f287954d7f76e0977Argyrios Kyrtzidisbool CheckerManager::hasPathSensitiveCheckers() const { 25d655ab28fdf7c940d3f79f8f287954d7f76e0977Argyrios Kyrtzidis return !StmtCheckers.empty() || 26d655ab28fdf7c940d3f79f8f287954d7f76e0977Argyrios Kyrtzidis !PreObjCMessageCheckers.empty() || 27d655ab28fdf7c940d3f79f8f287954d7f76e0977Argyrios Kyrtzidis !PostObjCMessageCheckers.empty() || 2896479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose !PreCallCheckers.empty() || 2996479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose !PostCallCheckers.empty() || 30d655ab28fdf7c940d3f79f8f287954d7f76e0977Argyrios Kyrtzidis !LocationCheckers.empty() || 31d655ab28fdf7c940d3f79f8f287954d7f76e0977Argyrios Kyrtzidis !BindCheckers.empty() || 32d655ab28fdf7c940d3f79f8f287954d7f76e0977Argyrios Kyrtzidis !EndAnalysisCheckers.empty() || 33d655ab28fdf7c940d3f79f8f287954d7f76e0977Argyrios Kyrtzidis !EndPathCheckers.empty() || 34d655ab28fdf7c940d3f79f8f287954d7f76e0977Argyrios Kyrtzidis !BranchConditionCheckers.empty() || 35d655ab28fdf7c940d3f79f8f287954d7f76e0977Argyrios Kyrtzidis !LiveSymbolsCheckers.empty() || 36d655ab28fdf7c940d3f79f8f287954d7f76e0977Argyrios Kyrtzidis !DeadSymbolsCheckers.empty() || 37d655ab28fdf7c940d3f79f8f287954d7f76e0977Argyrios Kyrtzidis !RegionChangesCheckers.empty() || 38d655ab28fdf7c940d3f79f8f287954d7f76e0977Argyrios Kyrtzidis !EvalAssumeCheckers.empty() || 3942e95acef35f4633119be1c1381e88878c966502Jordan Rose !EvalCallCheckers.empty(); 40d655ab28fdf7c940d3f79f8f287954d7f76e0977Argyrios Kyrtzidis} 41d655ab28fdf7c940d3f79f8f287954d7f76e0977Argyrios Kyrtzidis 42deb6447d0029bdb122397fafb5fa2a4e76f2e555Argyrios Kyrtzidisvoid CheckerManager::finishedCheckerRegistration() { 43deb6447d0029bdb122397fafb5fa2a4e76f2e555Argyrios Kyrtzidis#ifndef NDEBUG 44deb6447d0029bdb122397fafb5fa2a4e76f2e555Argyrios Kyrtzidis // Make sure that for every event that has listeners, there is at least 45deb6447d0029bdb122397fafb5fa2a4e76f2e555Argyrios Kyrtzidis // one dispatcher registered for it. 46deb6447d0029bdb122397fafb5fa2a4e76f2e555Argyrios Kyrtzidis for (llvm::DenseMap<EventTag, EventInfo>::iterator 47deb6447d0029bdb122397fafb5fa2a4e76f2e555Argyrios Kyrtzidis I = Events.begin(), E = Events.end(); I != E; ++I) 48deb6447d0029bdb122397fafb5fa2a4e76f2e555Argyrios Kyrtzidis assert(I->second.HasDispatcher && "No dispatcher registered for an event"); 49deb6447d0029bdb122397fafb5fa2a4e76f2e555Argyrios Kyrtzidis#endif 50deb6447d0029bdb122397fafb5fa2a4e76f2e555Argyrios Kyrtzidis} 51deb6447d0029bdb122397fafb5fa2a4e76f2e555Argyrios Kyrtzidis 52769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis//===----------------------------------------------------------------------===// 53769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis// Functions for running checkers for AST traversing.. 54769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis//===----------------------------------------------------------------------===// 55769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 569fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidisvoid CheckerManager::runCheckersOnASTDecl(const Decl *D, AnalysisManager& mgr, 579fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis BugReporter &BR) { 589fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis assert(D); 599fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis 609fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis unsigned DeclKind = D->getKind(); 619fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis CachedDeclCheckers *checkers = 0; 629fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis CachedDeclCheckersMapTy::iterator CCI = CachedDeclCheckersMap.find(DeclKind); 639fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis if (CCI != CachedDeclCheckersMap.end()) { 649fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis checkers = &(CCI->second); 659fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis } else { 669fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis // Find the checkers that should run for this Decl and cache them. 679fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis checkers = &CachedDeclCheckersMap[DeclKind]; 689fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis for (unsigned i = 0, e = DeclCheckers.size(); i != e; ++i) { 699fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis DeclCheckerInfo &info = DeclCheckers[i]; 709fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis if (info.IsForDeclFn(D)) 71769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis checkers->push_back(info.CheckFn); 729fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis } 739fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis } 749fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis 759fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis assert(checkers); 769fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis for (CachedDeclCheckers::iterator 77769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis I = checkers->begin(), E = checkers->end(); I != E; ++I) 78769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis (*I)(D, mgr, BR); 799fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis} 809fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis 819fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidisvoid CheckerManager::runCheckersOnASTBody(const Decl *D, AnalysisManager& mgr, 829fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis BugReporter &BR) { 839fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis assert(D && D->hasBody()); 849fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis 85769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis for (unsigned i = 0, e = BodyCheckers.size(); i != e; ++i) 86769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis BodyCheckers[i](D, mgr, BR); 87769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis} 88769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 89769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis//===----------------------------------------------------------------------===// 90769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis// Functions for running checkers for path-sensitive checking. 91769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis//===----------------------------------------------------------------------===// 92769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 93769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidistemplate <typename CHECK_CTX> 94c2e0db82139c70c0eac9d5c165b6bf3250af5bedArgyrios Kyrtzidisstatic void expandGraphWithCheckers(CHECK_CTX checkCtx, 95c2e0db82139c70c0eac9d5c165b6bf3250af5bedArgyrios Kyrtzidis ExplodedNodeSet &Dst, 96cd50e136ad7dc721822f5e6350769a37c216612dArgyrios Kyrtzidis const ExplodedNodeSet &Src) { 978ff5c41f2bde7ebbe568b4c15e59f14b8befae66Anna Zaks const NodeBuilderContext &BldrCtx = checkCtx.Eng.getBuilderContext(); 988ff5c41f2bde7ebbe568b4c15e59f14b8befae66Anna Zaks if (Src.empty()) 998ff5c41f2bde7ebbe568b4c15e59f14b8befae66Anna Zaks return; 100769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 101e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis typename CHECK_CTX::CheckersTy::const_iterator 102e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis I = checkCtx.checkers_begin(), E = checkCtx.checkers_end(); 103e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis if (I == E) { 104769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis Dst.insert(Src); 105769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis return; 106769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis } 107769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 108cd50e136ad7dc721822f5e6350769a37c216612dArgyrios Kyrtzidis ExplodedNodeSet Tmp1, Tmp2; 109cd50e136ad7dc721822f5e6350769a37c216612dArgyrios Kyrtzidis const ExplodedNodeSet *PrevSet = &Src; 110769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 111e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis for (; I != E; ++I) { 112769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis ExplodedNodeSet *CurrSet = 0; 113769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis if (I+1 == E) 114769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis CurrSet = &Dst; 115769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis else { 116cd50e136ad7dc721822f5e6350769a37c216612dArgyrios Kyrtzidis CurrSet = (PrevSet == &Tmp1) ? &Tmp2 : &Tmp1; 117769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis CurrSet->clear(); 118769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis } 119769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 1208ff5c41f2bde7ebbe568b4c15e59f14b8befae66Anna Zaks NodeBuilder B(*PrevSet, *CurrSet, BldrCtx); 121769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis for (ExplodedNodeSet::iterator NI = PrevSet->begin(), NE = PrevSet->end(); 1228ff5c41f2bde7ebbe568b4c15e59f14b8befae66Anna Zaks NI != NE; ++NI) { 1238ff5c41f2bde7ebbe568b4c15e59f14b8befae66Anna Zaks checkCtx.runChecker(*I, B, *NI); 1248ff5c41f2bde7ebbe568b4c15e59f14b8befae66Anna Zaks } 1258ff5c41f2bde7ebbe568b4c15e59f14b8befae66Anna Zaks 1268ff5c41f2bde7ebbe568b4c15e59f14b8befae66Anna Zaks // If all the produced transitions are sinks, stop. 1278ff5c41f2bde7ebbe568b4c15e59f14b8befae66Anna Zaks if (CurrSet->empty()) 1288ff5c41f2bde7ebbe568b4c15e59f14b8befae66Anna Zaks return; 1298ff5c41f2bde7ebbe568b4c15e59f14b8befae66Anna Zaks 130769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis // Update which NodeSet is the current one. 131769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis PrevSet = CurrSet; 1329fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis } 1339fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis} 1349fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis 135769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidisnamespace { 136769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis struct CheckStmtContext { 1375f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner typedef SmallVectorImpl<CheckerManager::CheckStmtFunc> CheckersTy; 138769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis bool IsPreVisit; 139769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis const CheckersTy &Checkers; 140769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis const Stmt *S; 141769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis ExprEngine &Eng; 14257c033621dacd8720ac9ff65a09025f14f70e22fJordan Rose bool WasInlined; 143769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 144e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis CheckersTy::const_iterator checkers_begin() { return Checkers.begin(); } 145e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis CheckersTy::const_iterator checkers_end() { return Checkers.end(); } 146e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis 147769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis CheckStmtContext(bool isPreVisit, const CheckersTy &checkers, 148514f2c9dcb9e04b52929c5b141a6fe88bd68b33fTed Kremenek const Stmt *s, ExprEngine &eng, bool wasInlined = false) 149514f2c9dcb9e04b52929c5b141a6fe88bd68b33fTed Kremenek : IsPreVisit(isPreVisit), Checkers(checkers), S(s), Eng(eng), 15057c033621dacd8720ac9ff65a09025f14f70e22fJordan Rose WasInlined(wasInlined) {} 151769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 152769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis void runChecker(CheckerManager::CheckStmtFunc checkFn, 1538ff5c41f2bde7ebbe568b4c15e59f14b8befae66Anna Zaks NodeBuilder &Bldr, ExplodedNode *Pred) { 154769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis // FIXME: Remove respondsToCallback from CheckerContext; 1553f5e8d87dbf449d8b39fe96068415428594d370eAnna Zaks ProgramPoint::Kind K = IsPreVisit ? ProgramPoint::PreStmtKind : 1563f5e8d87dbf449d8b39fe96068415428594d370eAnna Zaks ProgramPoint::PostStmtKind; 1573f5e8d87dbf449d8b39fe96068415428594d370eAnna Zaks const ProgramPoint &L = ProgramPoint::getProgramPoint(S, K, 1583f5e8d87dbf449d8b39fe96068415428594d370eAnna Zaks Pred->getLocationContext(), checkFn.Checker); 15957c033621dacd8720ac9ff65a09025f14f70e22fJordan Rose CheckerContext C(Bldr, Eng, Pred, L, WasInlined); 160769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis checkFn(S, C); 161769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis } 162769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis }; 163769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis} 164769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 165769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis/// \brief Run checkers for visiting Stmts. 166769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidisvoid CheckerManager::runCheckersForStmt(bool isPreVisit, 167769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis ExplodedNodeSet &Dst, 168cd50e136ad7dc721822f5e6350769a37c216612dArgyrios Kyrtzidis const ExplodedNodeSet &Src, 169769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis const Stmt *S, 170514f2c9dcb9e04b52929c5b141a6fe88bd68b33fTed Kremenek ExprEngine &Eng, 17157c033621dacd8720ac9ff65a09025f14f70e22fJordan Rose bool WasInlined) { 172769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis CheckStmtContext C(isPreVisit, *getCachedStmtCheckersFor(S, isPreVisit), 17357c033621dacd8720ac9ff65a09025f14f70e22fJordan Rose S, Eng, WasInlined); 174c2e0db82139c70c0eac9d5c165b6bf3250af5bedArgyrios Kyrtzidis expandGraphWithCheckers(C, Dst, Src); 175769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis} 176769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 177769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidisnamespace { 178769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis struct CheckObjCMessageContext { 179769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis typedef std::vector<CheckerManager::CheckObjCMessageFunc> CheckersTy; 18057c033621dacd8720ac9ff65a09025f14f70e22fJordan Rose bool IsPreVisit, WasInlined; 181769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis const CheckersTy &Checkers; 182de507eaf3cb54d3cb234dc14499c10ab3373d15fJordan Rose const ObjCMethodCall &Msg; 183769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis ExprEngine &Eng; 184769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 185e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis CheckersTy::const_iterator checkers_begin() { return Checkers.begin(); } 186e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis CheckersTy::const_iterator checkers_end() { return Checkers.end(); } 187e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis 188769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis CheckObjCMessageContext(bool isPreVisit, const CheckersTy &checkers, 18957c033621dacd8720ac9ff65a09025f14f70e22fJordan Rose const ObjCMethodCall &msg, ExprEngine &eng, 19057c033621dacd8720ac9ff65a09025f14f70e22fJordan Rose bool wasInlined) 19157c033621dacd8720ac9ff65a09025f14f70e22fJordan Rose : IsPreVisit(isPreVisit), WasInlined(wasInlined), Checkers(checkers), 19257c033621dacd8720ac9ff65a09025f14f70e22fJordan Rose Msg(msg), Eng(eng) { } 193769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 194769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis void runChecker(CheckerManager::CheckObjCMessageFunc checkFn, 1958ff5c41f2bde7ebbe568b4c15e59f14b8befae66Anna Zaks NodeBuilder &Bldr, ExplodedNode *Pred) { 196d563d3fb73879df7147b8a5302c3bf0e1402ba18Jordan Rose const ProgramPoint &L = Msg.getProgramPoint(IsPreVisit,checkFn.Checker); 19757c033621dacd8720ac9ff65a09025f14f70e22fJordan Rose CheckerContext C(Bldr, Eng, Pred, L, WasInlined); 1983f5e8d87dbf449d8b39fe96068415428594d370eAnna Zaks 199d563d3fb73879df7147b8a5302c3bf0e1402ba18Jordan Rose checkFn(*Msg.cloneWithState<ObjCMethodCall>(Pred->getState()), C); 200769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis } 201769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis }; 202769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis} 203769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 204769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis/// \brief Run checkers for visiting obj-c messages. 205769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidisvoid CheckerManager::runCheckersForObjCMessage(bool isPreVisit, 206769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis ExplodedNodeSet &Dst, 207cd50e136ad7dc721822f5e6350769a37c216612dArgyrios Kyrtzidis const ExplodedNodeSet &Src, 208de507eaf3cb54d3cb234dc14499c10ab3373d15fJordan Rose const ObjCMethodCall &msg, 20957c033621dacd8720ac9ff65a09025f14f70e22fJordan Rose ExprEngine &Eng, 21057c033621dacd8720ac9ff65a09025f14f70e22fJordan Rose bool WasInlined) { 2113f8212787d9bd620930817177fbba5f32659377fArgyrios Kyrtzidis CheckObjCMessageContext C(isPreVisit, 2123f8212787d9bd620930817177fbba5f32659377fArgyrios Kyrtzidis isPreVisit ? PreObjCMessageCheckers 2133f8212787d9bd620930817177fbba5f32659377fArgyrios Kyrtzidis : PostObjCMessageCheckers, 21457c033621dacd8720ac9ff65a09025f14f70e22fJordan Rose msg, Eng, WasInlined); 215c2e0db82139c70c0eac9d5c165b6bf3250af5bedArgyrios Kyrtzidis expandGraphWithCheckers(C, Dst, Src); 216769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis} 217769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 218769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidisnamespace { 21996479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose // FIXME: This has all the same signatures as CheckObjCMessageContext. 22096479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose // Is there a way we can merge the two? 22196479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose struct CheckCallContext { 22296479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose typedef std::vector<CheckerManager::CheckCallFunc> CheckersTy; 22357c033621dacd8720ac9ff65a09025f14f70e22fJordan Rose bool IsPreVisit, WasInlined; 22496479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose const CheckersTy &Checkers; 22596479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose const CallEvent &Call; 22696479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose ExprEngine &Eng; 22796479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose 22896479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose CheckersTy::const_iterator checkers_begin() { return Checkers.begin(); } 22996479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose CheckersTy::const_iterator checkers_end() { return Checkers.end(); } 23096479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose 23196479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose CheckCallContext(bool isPreVisit, const CheckersTy &checkers, 23257c033621dacd8720ac9ff65a09025f14f70e22fJordan Rose const CallEvent &call, ExprEngine &eng, 23357c033621dacd8720ac9ff65a09025f14f70e22fJordan Rose bool wasInlined) 23457c033621dacd8720ac9ff65a09025f14f70e22fJordan Rose : IsPreVisit(isPreVisit), WasInlined(wasInlined), Checkers(checkers), 23557c033621dacd8720ac9ff65a09025f14f70e22fJordan Rose Call(call), Eng(eng) { } 23696479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose 23796479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose void runChecker(CheckerManager::CheckCallFunc checkFn, 23896479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose NodeBuilder &Bldr, ExplodedNode *Pred) { 239d563d3fb73879df7147b8a5302c3bf0e1402ba18Jordan Rose const ProgramPoint &L = Call.getProgramPoint(IsPreVisit,checkFn.Checker); 24057c033621dacd8720ac9ff65a09025f14f70e22fJordan Rose CheckerContext C(Bldr, Eng, Pred, L, WasInlined); 24196479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose 242d563d3fb73879df7147b8a5302c3bf0e1402ba18Jordan Rose checkFn(*Call.cloneWithState(Pred->getState()), C); 24396479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose } 24496479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose }; 24596479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose} 24696479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose 24796479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose/// \brief Run checkers for visiting an abstract call event. 24896479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rosevoid CheckerManager::runCheckersForCallEvent(bool isPreVisit, 24996479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose ExplodedNodeSet &Dst, 25096479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose const ExplodedNodeSet &Src, 25196479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose const CallEvent &Call, 25257c033621dacd8720ac9ff65a09025f14f70e22fJordan Rose ExprEngine &Eng, 25357c033621dacd8720ac9ff65a09025f14f70e22fJordan Rose bool WasInlined) { 25496479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose CheckCallContext C(isPreVisit, 25596479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose isPreVisit ? PreCallCheckers 25696479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose : PostCallCheckers, 25757c033621dacd8720ac9ff65a09025f14f70e22fJordan Rose Call, Eng, WasInlined); 25896479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose expandGraphWithCheckers(C, Dst, Src); 25996479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose} 26096479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose 26196479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rosenamespace { 262769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis struct CheckLocationContext { 263769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis typedef std::vector<CheckerManager::CheckLocationFunc> CheckersTy; 264769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis const CheckersTy &Checkers; 265769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis SVal Loc; 266769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis bool IsLoad; 267bd613137499b1d4c3b63dccd0aa21f6add243f4fTed Kremenek const Stmt *NodeEx; /* Will become a CFGStmt */ 268bd613137499b1d4c3b63dccd0aa21f6add243f4fTed Kremenek const Stmt *BoundEx; 269769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis ExprEngine &Eng; 270769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 271e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis CheckersTy::const_iterator checkers_begin() { return Checkers.begin(); } 272e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis CheckersTy::const_iterator checkers_end() { return Checkers.end(); } 273e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis 274769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis CheckLocationContext(const CheckersTy &checkers, 275bd613137499b1d4c3b63dccd0aa21f6add243f4fTed Kremenek SVal loc, bool isLoad, const Stmt *NodeEx, 276bd613137499b1d4c3b63dccd0aa21f6add243f4fTed Kremenek const Stmt *BoundEx, 277bd613137499b1d4c3b63dccd0aa21f6add243f4fTed Kremenek ExprEngine &eng) 278bd613137499b1d4c3b63dccd0aa21f6add243f4fTed Kremenek : Checkers(checkers), Loc(loc), IsLoad(isLoad), NodeEx(NodeEx), 279bd613137499b1d4c3b63dccd0aa21f6add243f4fTed Kremenek BoundEx(BoundEx), Eng(eng) {} 280769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 281769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis void runChecker(CheckerManager::CheckLocationFunc checkFn, 2828ff5c41f2bde7ebbe568b4c15e59f14b8befae66Anna Zaks NodeBuilder &Bldr, ExplodedNode *Pred) { 2833f5e8d87dbf449d8b39fe96068415428594d370eAnna Zaks ProgramPoint::Kind K = IsLoad ? ProgramPoint::PreLoadKind : 2843f5e8d87dbf449d8b39fe96068415428594d370eAnna Zaks ProgramPoint::PreStoreKind; 285bd613137499b1d4c3b63dccd0aa21f6add243f4fTed Kremenek const ProgramPoint &L = 286bd613137499b1d4c3b63dccd0aa21f6add243f4fTed Kremenek ProgramPoint::getProgramPoint(NodeEx, K, 287bd613137499b1d4c3b63dccd0aa21f6add243f4fTed Kremenek Pred->getLocationContext(), 288bd613137499b1d4c3b63dccd0aa21f6add243f4fTed Kremenek checkFn.Checker); 289063e0887ad65d666d23ee3178436ad6507abbd1bAnna Zaks CheckerContext C(Bldr, Eng, Pred, L); 290bd613137499b1d4c3b63dccd0aa21f6add243f4fTed Kremenek checkFn(Loc, IsLoad, BoundEx, C); 291769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis } 292769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis }; 2939fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis} 2949fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis 295769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis/// \brief Run checkers for load/store of a location. 296ebae6d0209e1ec3d5ea14f9e63bd0d740218ed14Anna Zaks 297769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidisvoid CheckerManager::runCheckersForLocation(ExplodedNodeSet &Dst, 298cd50e136ad7dc721822f5e6350769a37c216612dArgyrios Kyrtzidis const ExplodedNodeSet &Src, 299769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis SVal location, bool isLoad, 300bd613137499b1d4c3b63dccd0aa21f6add243f4fTed Kremenek const Stmt *NodeEx, 301bd613137499b1d4c3b63dccd0aa21f6add243f4fTed Kremenek const Stmt *BoundEx, 302bd613137499b1d4c3b63dccd0aa21f6add243f4fTed Kremenek ExprEngine &Eng) { 303bd613137499b1d4c3b63dccd0aa21f6add243f4fTed Kremenek CheckLocationContext C(LocationCheckers, location, isLoad, NodeEx, 304bd613137499b1d4c3b63dccd0aa21f6add243f4fTed Kremenek BoundEx, Eng); 305c2e0db82139c70c0eac9d5c165b6bf3250af5bedArgyrios Kyrtzidis expandGraphWithCheckers(C, Dst, Src); 3069fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis} 3079fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis 308312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidisnamespace { 309312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis struct CheckBindContext { 310312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis typedef std::vector<CheckerManager::CheckBindFunc> CheckersTy; 311312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis const CheckersTy &Checkers; 312312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis SVal Loc; 313312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis SVal Val; 314312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis const Stmt *S; 315312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis ExprEngine &Eng; 3163682f1ea9c7fddc7dcbc590891158ba40f7fca16Jordan Rose const ProgramPoint &PP; 317312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis 318312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis CheckersTy::const_iterator checkers_begin() { return Checkers.begin(); } 319312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis CheckersTy::const_iterator checkers_end() { return Checkers.end(); } 320312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis 321312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis CheckBindContext(const CheckersTy &checkers, 322ebae6d0209e1ec3d5ea14f9e63bd0d740218ed14Anna Zaks SVal loc, SVal val, const Stmt *s, ExprEngine &eng, 3233682f1ea9c7fddc7dcbc590891158ba40f7fca16Jordan Rose const ProgramPoint &pp) 3243682f1ea9c7fddc7dcbc590891158ba40f7fca16Jordan Rose : Checkers(checkers), Loc(loc), Val(val), S(s), Eng(eng), PP(pp) {} 325312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis 326312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis void runChecker(CheckerManager::CheckBindFunc checkFn, 3278ff5c41f2bde7ebbe568b4c15e59f14b8befae66Anna Zaks NodeBuilder &Bldr, ExplodedNode *Pred) { 3283682f1ea9c7fddc7dcbc590891158ba40f7fca16Jordan Rose const ProgramPoint &L = PP.withTag(checkFn.Checker); 329063e0887ad65d666d23ee3178436ad6507abbd1bAnna Zaks CheckerContext C(Bldr, Eng, Pred, L); 3303f5e8d87dbf449d8b39fe96068415428594d370eAnna Zaks 331390909c89c98ab1807e15e033a72e975f866fb23Anna Zaks checkFn(Loc, Val, S, C); 332312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis } 333312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis }; 334312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis} 335312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis 336312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis/// \brief Run checkers for binding of a value to a location. 337312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidisvoid CheckerManager::runCheckersForBind(ExplodedNodeSet &Dst, 338312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis const ExplodedNodeSet &Src, 339312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis SVal location, SVal val, 340ebae6d0209e1ec3d5ea14f9e63bd0d740218ed14Anna Zaks const Stmt *S, ExprEngine &Eng, 3413682f1ea9c7fddc7dcbc590891158ba40f7fca16Jordan Rose const ProgramPoint &PP) { 3423682f1ea9c7fddc7dcbc590891158ba40f7fca16Jordan Rose CheckBindContext C(BindCheckers, location, val, S, Eng, PP); 343312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis expandGraphWithCheckers(C, Dst, Src); 344312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis} 345312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis 34630726c6baee1417307236e854f1474fdb3cedb98Argyrios Kyrtzidisvoid CheckerManager::runCheckersForEndAnalysis(ExplodedGraph &G, 34730726c6baee1417307236e854f1474fdb3cedb98Argyrios Kyrtzidis BugReporter &BR, 34830726c6baee1417307236e854f1474fdb3cedb98Argyrios Kyrtzidis ExprEngine &Eng) { 34930726c6baee1417307236e854f1474fdb3cedb98Argyrios Kyrtzidis for (unsigned i = 0, e = EndAnalysisCheckers.size(); i != e; ++i) 35030726c6baee1417307236e854f1474fdb3cedb98Argyrios Kyrtzidis EndAnalysisCheckers[i](G, BR, Eng); 35130726c6baee1417307236e854f1474fdb3cedb98Argyrios Kyrtzidis} 35230726c6baee1417307236e854f1474fdb3cedb98Argyrios Kyrtzidis 353af5800a1e287990bb547e052f257adeeae5ab476Argyrios Kyrtzidis/// \brief Run checkers for end of path. 354af498a28797c075c48d7e943df5f5a8e78ed8eb0Anna Zaks// Note, We do not chain the checker output (like in expandGraphWithCheckers) 355af498a28797c075c48d7e943df5f5a8e78ed8eb0Anna Zaks// for this callback since end of path nodes are expected to be final. 356af498a28797c075c48d7e943df5f5a8e78ed8eb0Anna Zaksvoid CheckerManager::runCheckersForEndPath(NodeBuilderContext &BC, 357af498a28797c075c48d7e943df5f5a8e78ed8eb0Anna Zaks ExplodedNodeSet &Dst, 358af5800a1e287990bb547e052f257adeeae5ab476Argyrios Kyrtzidis ExprEngine &Eng) { 359af498a28797c075c48d7e943df5f5a8e78ed8eb0Anna Zaks ExplodedNode *Pred = BC.Pred; 360af498a28797c075c48d7e943df5f5a8e78ed8eb0Anna Zaks 361af498a28797c075c48d7e943df5f5a8e78ed8eb0Anna Zaks // We define the builder outside of the loop bacause if at least one checkers 362af498a28797c075c48d7e943df5f5a8e78ed8eb0Anna Zaks // creates a sucsessor for Pred, we do not need to generate an 363af498a28797c075c48d7e943df5f5a8e78ed8eb0Anna Zaks // autotransition for it. 364af498a28797c075c48d7e943df5f5a8e78ed8eb0Anna Zaks NodeBuilder Bldr(Pred, Dst, BC); 365af5800a1e287990bb547e052f257adeeae5ab476Argyrios Kyrtzidis for (unsigned i = 0, e = EndPathCheckers.size(); i != e; ++i) { 366af498a28797c075c48d7e943df5f5a8e78ed8eb0Anna Zaks CheckEndPathFunc checkFn = EndPathCheckers[i]; 367af498a28797c075c48d7e943df5f5a8e78ed8eb0Anna Zaks 368af498a28797c075c48d7e943df5f5a8e78ed8eb0Anna Zaks const ProgramPoint &L = BlockEntrance(BC.Block, 369af498a28797c075c48d7e943df5f5a8e78ed8eb0Anna Zaks Pred->getLocationContext(), 370af498a28797c075c48d7e943df5f5a8e78ed8eb0Anna Zaks checkFn.Checker); 371063e0887ad65d666d23ee3178436ad6507abbd1bAnna Zaks CheckerContext C(Bldr, Eng, Pred, L); 372af498a28797c075c48d7e943df5f5a8e78ed8eb0Anna Zaks checkFn(C); 373af5800a1e287990bb547e052f257adeeae5ab476Argyrios Kyrtzidis } 374af5800a1e287990bb547e052f257adeeae5ab476Argyrios Kyrtzidis} 375af5800a1e287990bb547e052f257adeeae5ab476Argyrios Kyrtzidis 376f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaksnamespace { 377f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaks struct CheckBranchConditionContext { 378f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaks typedef std::vector<CheckerManager::CheckBranchConditionFunc> CheckersTy; 379f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaks const CheckersTy &Checkers; 380f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaks const Stmt *Condition; 381f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaks ExprEngine &Eng; 382f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaks 383f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaks CheckersTy::const_iterator checkers_begin() { return Checkers.begin(); } 384f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaks CheckersTy::const_iterator checkers_end() { return Checkers.end(); } 385f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaks 386f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaks CheckBranchConditionContext(const CheckersTy &checkers, 387f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaks const Stmt *Cond, ExprEngine &eng) 388f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaks : Checkers(checkers), Condition(Cond), Eng(eng) {} 389f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaks 390f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaks void runChecker(CheckerManager::CheckBranchConditionFunc checkFn, 391f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaks NodeBuilder &Bldr, ExplodedNode *Pred) { 392f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaks ProgramPoint L = PostCondition(Condition, Pred->getLocationContext(), 393f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaks checkFn.Checker); 394063e0887ad65d666d23ee3178436ad6507abbd1bAnna Zaks CheckerContext C(Bldr, Eng, Pred, L); 395f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaks checkFn(Condition, C); 396f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaks } 397f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaks }; 398f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaks} 399f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaks 400cc05d511b26ac6dc80fcbcc78ac305d2755aa0b9Argyrios Kyrtzidis/// \brief Run checkers for branch condition. 401f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaksvoid CheckerManager::runCheckersForBranchCondition(const Stmt *Condition, 402f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaks ExplodedNodeSet &Dst, 4034e82d3cf6fd4c907265e3fa3aac0a835c35dc759Anna Zaks ExplodedNode *Pred, 404cc05d511b26ac6dc80fcbcc78ac305d2755aa0b9Argyrios Kyrtzidis ExprEngine &Eng) { 405f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaks ExplodedNodeSet Src; 406f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaks Src.insert(Pred); 407f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaks CheckBranchConditionContext C(BranchConditionCheckers, Condition, Eng); 408f236b6503a4dbc44c1fccb8756bd57c9d0efdf05Anna Zaks expandGraphWithCheckers(C, Dst, Src); 409cc05d511b26ac6dc80fcbcc78ac305d2755aa0b9Argyrios Kyrtzidis} 410cc05d511b26ac6dc80fcbcc78ac305d2755aa0b9Argyrios Kyrtzidis 411183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis/// \brief Run checkers for live symbols. 4128bef8238181a30e52dea380789a7e2d760eac532Ted Kremenekvoid CheckerManager::runCheckersForLiveSymbols(ProgramStateRef state, 413183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis SymbolReaper &SymReaper) { 414183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis for (unsigned i = 0, e = LiveSymbolsCheckers.size(); i != e; ++i) 415183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis LiveSymbolsCheckers[i](state, SymReaper); 416183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis} 417183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis 418183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidisnamespace { 419183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis struct CheckDeadSymbolsContext { 420183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis typedef std::vector<CheckerManager::CheckDeadSymbolsFunc> CheckersTy; 421183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis const CheckersTy &Checkers; 422183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis SymbolReaper &SR; 423183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis const Stmt *S; 424183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis ExprEngine &Eng; 4250b3ade86a1c60cf0c7b56aa238aff458eb7f5974Anna Zaks ProgramPoint::Kind ProgarmPointKind; 426183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis 427183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis CheckersTy::const_iterator checkers_begin() { return Checkers.begin(); } 428183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis CheckersTy::const_iterator checkers_end() { return Checkers.end(); } 429183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis 430183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis CheckDeadSymbolsContext(const CheckersTy &checkers, SymbolReaper &sr, 4310b3ade86a1c60cf0c7b56aa238aff458eb7f5974Anna Zaks const Stmt *s, ExprEngine &eng, 4320b3ade86a1c60cf0c7b56aa238aff458eb7f5974Anna Zaks ProgramPoint::Kind K) 4330b3ade86a1c60cf0c7b56aa238aff458eb7f5974Anna Zaks : Checkers(checkers), SR(sr), S(s), Eng(eng), ProgarmPointKind(K) { } 434183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis 435183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis void runChecker(CheckerManager::CheckDeadSymbolsFunc checkFn, 4368ff5c41f2bde7ebbe568b4c15e59f14b8befae66Anna Zaks NodeBuilder &Bldr, ExplodedNode *Pred) { 4370b3ade86a1c60cf0c7b56aa238aff458eb7f5974Anna Zaks const ProgramPoint &L = ProgramPoint::getProgramPoint(S, ProgarmPointKind, 4383f5e8d87dbf449d8b39fe96068415428594d370eAnna Zaks Pred->getLocationContext(), checkFn.Checker); 439063e0887ad65d666d23ee3178436ad6507abbd1bAnna Zaks CheckerContext C(Bldr, Eng, Pred, L); 4403f5e8d87dbf449d8b39fe96068415428594d370eAnna Zaks 4410b3ade86a1c60cf0c7b56aa238aff458eb7f5974Anna Zaks // Note, do not pass the statement to the checkers without letting them 4420b3ade86a1c60cf0c7b56aa238aff458eb7f5974Anna Zaks // differentiate if we ran remove dead bindings before or after the 4430b3ade86a1c60cf0c7b56aa238aff458eb7f5974Anna Zaks // statement. 444183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis checkFn(SR, C); 445183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis } 446183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis }; 447183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis} 448183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis 449183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis/// \brief Run checkers for dead symbols. 450183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidisvoid CheckerManager::runCheckersForDeadSymbols(ExplodedNodeSet &Dst, 451183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis const ExplodedNodeSet &Src, 452183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis SymbolReaper &SymReaper, 453183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis const Stmt *S, 4540b3ade86a1c60cf0c7b56aa238aff458eb7f5974Anna Zaks ExprEngine &Eng, 4550b3ade86a1c60cf0c7b56aa238aff458eb7f5974Anna Zaks ProgramPoint::Kind K) { 4560b3ade86a1c60cf0c7b56aa238aff458eb7f5974Anna Zaks CheckDeadSymbolsContext C(DeadSymbolsCheckers, SymReaper, S, Eng, K); 457183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis expandGraphWithCheckers(C, Dst, Src); 458183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis} 459183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis 460183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis/// \brief True if at least one checker wants to check region changes. 4618bef8238181a30e52dea380789a7e2d760eac532Ted Kremenekbool CheckerManager::wantsRegionChangeUpdate(ProgramStateRef state) { 462183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis for (unsigned i = 0, e = RegionChangesCheckers.size(); i != e; ++i) 463183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis if (RegionChangesCheckers[i].WantUpdateFn(state)) 464183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis return true; 465183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis 466183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis return false; 467183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis} 468183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis 469183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis/// \brief Run checkers for region changes. 4708bef8238181a30e52dea380789a7e2d760eac532Ted KremenekProgramStateRef 4718bef8238181a30e52dea380789a7e2d760eac532Ted KremenekCheckerManager::runCheckersForRegionChanges(ProgramStateRef state, 47235bdbf40624beba3fc00cb72ab444659939c1a6bTed Kremenek const StoreManager::InvalidatedSymbols *invalidated, 473537716ad8dd10f984b6cfe6985afade1185c5e3cJordy Rose ArrayRef<const MemRegion *> ExplicitRegions, 47466c40400e7d6272b0cd675ada18dd62c1f0362c7Anna Zaks ArrayRef<const MemRegion *> Regions, 475740d490593e0de8732a697c9f77b90ddd463863bJordan Rose const CallEvent *Call) { 476183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis for (unsigned i = 0, e = RegionChangesCheckers.size(); i != e; ++i) { 477183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis // If any checker declares the state infeasible (or if it starts that way), 478183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis // bail out. 479183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis if (!state) 480183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis return NULL; 481537716ad8dd10f984b6cfe6985afade1185c5e3cJordy Rose state = RegionChangesCheckers[i].CheckFn(state, invalidated, 48266c40400e7d6272b0cd675ada18dd62c1f0362c7Anna Zaks ExplicitRegions, Regions, Call); 483183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis } 484183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis return state; 485183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis} 486183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis 487312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis/// \brief Run checkers for handling assumptions on symbolic values. 4888bef8238181a30e52dea380789a7e2d760eac532Ted KremenekProgramStateRef 4898bef8238181a30e52dea380789a7e2d760eac532Ted KremenekCheckerManager::runCheckersForEvalAssume(ProgramStateRef state, 490312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis SVal Cond, bool Assumption) { 491312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis for (unsigned i = 0, e = EvalAssumeCheckers.size(); i != e; ++i) { 492312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis // If any checker declares the state infeasible (or if it starts that way), 493312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis // bail out. 494312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis if (!state) 495312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis return NULL; 496312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis state = EvalAssumeCheckers[i](state, Cond, Assumption); 497312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis } 498312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis return state; 499312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis} 500312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis 501e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis/// \brief Run checkers for evaluating a call. 502e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis/// Only one checker will evaluate the call. 503e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidisvoid CheckerManager::runCheckersForEvalCall(ExplodedNodeSet &Dst, 504e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis const ExplodedNodeSet &Src, 505645baeed6800f952e9ad1d5666e01080385531a2Jordan Rose const CallEvent &Call, 50669f87c956b3ac2b80124fd9604af012e1061473aJordan Rose ExprEngine &Eng) { 507645baeed6800f952e9ad1d5666e01080385531a2Jordan Rose const CallExpr *CE = cast<CallExpr>(Call.getOriginExpr()); 508e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis for (ExplodedNodeSet::iterator 509e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis NI = Src.begin(), NE = Src.end(); NI != NE; ++NI) { 510e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis ExplodedNode *Pred = *NI; 511e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis bool anyEvaluated = false; 512dff6ef903ff4fcb43b5ea292ecd772e381393b5dAnna Zaks 5138ff5c41f2bde7ebbe568b4c15e59f14b8befae66Anna Zaks ExplodedNodeSet checkDst; 5148ff5c41f2bde7ebbe568b4c15e59f14b8befae66Anna Zaks NodeBuilder B(Pred, checkDst, Eng.getBuilderContext()); 51542e95acef35f4633119be1c1381e88878c966502Jordan Rose 51642e95acef35f4633119be1c1381e88878c966502Jordan Rose // Check if any of the EvalCall callbacks can evaluate the call. 517e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis for (std::vector<EvalCallFunc>::iterator 518e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis EI = EvalCallCheckers.begin(), EE = EvalCallCheckers.end(); 519e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis EI != EE; ++EI) { 5203f5e8d87dbf449d8b39fe96068415428594d370eAnna Zaks ProgramPoint::Kind K = ProgramPoint::PostStmtKind; 5213f5e8d87dbf449d8b39fe96068415428594d370eAnna Zaks const ProgramPoint &L = ProgramPoint::getProgramPoint(CE, K, 5223f5e8d87dbf449d8b39fe96068415428594d370eAnna Zaks Pred->getLocationContext(), EI->Checker); 523b1576f7136163ce3efd6dcf5a3e53e1c8ec6520cAnna Zaks bool evaluated = false; 524b1576f7136163ce3efd6dcf5a3e53e1c8ec6520cAnna Zaks { // CheckerContext generates transitions(populates checkDest) on 525b1576f7136163ce3efd6dcf5a3e53e1c8ec6520cAnna Zaks // destruction, so introduce the scope to make sure it gets properly 526b1576f7136163ce3efd6dcf5a3e53e1c8ec6520cAnna Zaks // populated. 527063e0887ad65d666d23ee3178436ad6507abbd1bAnna Zaks CheckerContext C(B, Eng, Pred, L); 528b1576f7136163ce3efd6dcf5a3e53e1c8ec6520cAnna Zaks evaluated = (*EI)(CE, C); 529b1576f7136163ce3efd6dcf5a3e53e1c8ec6520cAnna Zaks } 530e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis assert(!(evaluated && anyEvaluated) 531e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis && "There are more than one checkers evaluating the call"); 532e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis if (evaluated) { 533e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis anyEvaluated = true; 534e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis Dst.insert(checkDst); 535e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis#ifdef NDEBUG 536e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis break; // on release don't check that no other checker also evals. 537e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis#endif 538e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis } 539e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis } 540e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis 541dff6ef903ff4fcb43b5ea292ecd772e381393b5dAnna Zaks // If none of the checkers evaluated the call, ask ExprEngine to handle it. 542e81ce256b62717dd846bd19aecc4115a0dcd4995Anna Zaks if (!anyEvaluated) { 543e81ce256b62717dd846bd19aecc4115a0dcd4995Anna Zaks NodeBuilder B(Pred, Dst, Eng.getBuilderContext()); 544e81ce256b62717dd846bd19aecc4115a0dcd4995Anna Zaks Eng.defaultEvalCall(B, Pred, Call); 545e81ce256b62717dd846bd19aecc4115a0dcd4995Anna Zaks } 546e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis } 547e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis} 548e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis 5499be6e7ce5788e50c62d40c59b0bbc2ea423683f7Ted Kremenek/// \brief Run checkers for the entire Translation Unit. 5509be6e7ce5788e50c62d40c59b0bbc2ea423683f7Ted Kremenekvoid CheckerManager::runCheckersOnEndOfTranslationUnit( 5519be6e7ce5788e50c62d40c59b0bbc2ea423683f7Ted Kremenek const TranslationUnitDecl *TU, 5529be6e7ce5788e50c62d40c59b0bbc2ea423683f7Ted Kremenek AnalysisManager &mgr, 5539be6e7ce5788e50c62d40c59b0bbc2ea423683f7Ted Kremenek BugReporter &BR) { 5549be6e7ce5788e50c62d40c59b0bbc2ea423683f7Ted Kremenek for (unsigned i = 0, e = EndOfTranslationUnitCheckers.size(); i != e; ++i) 5559be6e7ce5788e50c62d40c59b0bbc2ea423683f7Ted Kremenek EndOfTranslationUnitCheckers[i](TU, mgr, BR); 5569be6e7ce5788e50c62d40c59b0bbc2ea423683f7Ted Kremenek} 5579be6e7ce5788e50c62d40c59b0bbc2ea423683f7Ted Kremenek 558dbd658e139b3e0bf084f75feaea8d844af9e319fJordy Rosevoid CheckerManager::runCheckersForPrintState(raw_ostream &Out, 5598bef8238181a30e52dea380789a7e2d760eac532Ted Kremenek ProgramStateRef State, 560dbd658e139b3e0bf084f75feaea8d844af9e319fJordy Rose const char *NL, const char *Sep) { 561dbd658e139b3e0bf084f75feaea8d844af9e319fJordy Rose for (llvm::DenseMap<CheckerTag, CheckerRef>::iterator 562dbd658e139b3e0bf084f75feaea8d844af9e319fJordy Rose I = CheckerTags.begin(), E = CheckerTags.end(); I != E; ++I) 563dbd658e139b3e0bf084f75feaea8d844af9e319fJordy Rose I->second->printState(Out, State, NL, Sep); 564dbd658e139b3e0bf084f75feaea8d844af9e319fJordy Rose} 565dbd658e139b3e0bf084f75feaea8d844af9e319fJordy Rose 566769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis//===----------------------------------------------------------------------===// 567769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis// Internal registration functions for AST traversing. 568769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis//===----------------------------------------------------------------------===// 569769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 570769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidisvoid CheckerManager::_registerForDecl(CheckDeclFunc checkfn, 571769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis HandlesDeclFunc isForDeclFn) { 572769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis DeclCheckerInfo info = { checkfn, isForDeclFn }; 573769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis DeclCheckers.push_back(info); 574769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis} 575769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 576769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidisvoid CheckerManager::_registerForBody(CheckDeclFunc checkfn) { 577769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis BodyCheckers.push_back(checkfn); 578769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis} 579769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 580769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis//===----------------------------------------------------------------------===// 581769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis// Internal registration functions for path-sensitive checking. 582769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis//===----------------------------------------------------------------------===// 583769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 584769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidisvoid CheckerManager::_registerForPreStmt(CheckStmtFunc checkfn, 585769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis HandlesStmtFunc isForStmtFn) { 586769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis StmtCheckerInfo info = { checkfn, isForStmtFn, /*IsPreVisit*/true }; 587769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis StmtCheckers.push_back(info); 588769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis} 589769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidisvoid CheckerManager::_registerForPostStmt(CheckStmtFunc checkfn, 590769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis HandlesStmtFunc isForStmtFn) { 591769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis StmtCheckerInfo info = { checkfn, isForStmtFn, /*IsPreVisit*/false }; 592769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis StmtCheckers.push_back(info); 593769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis} 594769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 595769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidisvoid CheckerManager::_registerForPreObjCMessage(CheckObjCMessageFunc checkfn) { 596769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis PreObjCMessageCheckers.push_back(checkfn); 597769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis} 598769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidisvoid CheckerManager::_registerForPostObjCMessage(CheckObjCMessageFunc checkfn) { 599769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis PostObjCMessageCheckers.push_back(checkfn); 600769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis} 601769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 60296479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rosevoid CheckerManager::_registerForPreCall(CheckCallFunc checkfn) { 60396479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose PreCallCheckers.push_back(checkfn); 60496479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose} 60596479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rosevoid CheckerManager::_registerForPostCall(CheckCallFunc checkfn) { 60696479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose PostCallCheckers.push_back(checkfn); 60796479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose} 60896479da6ad9d921d875e7be29fe1bfa127be8069Jordan Rose 609769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidisvoid CheckerManager::_registerForLocation(CheckLocationFunc checkfn) { 610769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis LocationCheckers.push_back(checkfn); 611769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis} 612769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 613312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidisvoid CheckerManager::_registerForBind(CheckBindFunc checkfn) { 614312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis BindCheckers.push_back(checkfn); 615312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis} 616312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis 61730726c6baee1417307236e854f1474fdb3cedb98Argyrios Kyrtzidisvoid CheckerManager::_registerForEndAnalysis(CheckEndAnalysisFunc checkfn) { 61830726c6baee1417307236e854f1474fdb3cedb98Argyrios Kyrtzidis EndAnalysisCheckers.push_back(checkfn); 61930726c6baee1417307236e854f1474fdb3cedb98Argyrios Kyrtzidis} 62030726c6baee1417307236e854f1474fdb3cedb98Argyrios Kyrtzidis 621af5800a1e287990bb547e052f257adeeae5ab476Argyrios Kyrtzidisvoid CheckerManager::_registerForEndPath(CheckEndPathFunc checkfn) { 622af5800a1e287990bb547e052f257adeeae5ab476Argyrios Kyrtzidis EndPathCheckers.push_back(checkfn); 623af5800a1e287990bb547e052f257adeeae5ab476Argyrios Kyrtzidis} 624af5800a1e287990bb547e052f257adeeae5ab476Argyrios Kyrtzidis 625cc05d511b26ac6dc80fcbcc78ac305d2755aa0b9Argyrios Kyrtzidisvoid CheckerManager::_registerForBranchCondition( 626cc05d511b26ac6dc80fcbcc78ac305d2755aa0b9Argyrios Kyrtzidis CheckBranchConditionFunc checkfn) { 627cc05d511b26ac6dc80fcbcc78ac305d2755aa0b9Argyrios Kyrtzidis BranchConditionCheckers.push_back(checkfn); 628cc05d511b26ac6dc80fcbcc78ac305d2755aa0b9Argyrios Kyrtzidis} 629cc05d511b26ac6dc80fcbcc78ac305d2755aa0b9Argyrios Kyrtzidis 630183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidisvoid CheckerManager::_registerForLiveSymbols(CheckLiveSymbolsFunc checkfn) { 631183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis LiveSymbolsCheckers.push_back(checkfn); 632183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis} 633183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis 634183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidisvoid CheckerManager::_registerForDeadSymbols(CheckDeadSymbolsFunc checkfn) { 635183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis DeadSymbolsCheckers.push_back(checkfn); 636183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis} 637183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis 638183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidisvoid CheckerManager::_registerForRegionChanges(CheckRegionChangesFunc checkfn, 639183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis WantsRegionChangeUpdateFunc wantUpdateFn) { 640183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis RegionChangesCheckerInfo info = {checkfn, wantUpdateFn}; 641183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis RegionChangesCheckers.push_back(info); 642183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis} 643183ff98f425d470c2a0276880aaf43496c9dad14Argyrios Kyrtzidis 644312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidisvoid CheckerManager::_registerForEvalAssume(EvalAssumeFunc checkfn) { 645312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis EvalAssumeCheckers.push_back(checkfn); 646312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis} 647312dbec867f6b8d6b86fd562c53352cd4db27468Argyrios Kyrtzidis 648e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidisvoid CheckerManager::_registerForEvalCall(EvalCallFunc checkfn) { 649e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis EvalCallCheckers.push_back(checkfn); 650e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis} 651e1bfb7ae0dd0762c88e1fd94746e973c37f2e04eArgyrios Kyrtzidis 6529be6e7ce5788e50c62d40c59b0bbc2ea423683f7Ted Kremenekvoid CheckerManager::_registerForEndOfTranslationUnit( 6539be6e7ce5788e50c62d40c59b0bbc2ea423683f7Ted Kremenek CheckEndOfTranslationUnit checkfn) { 6549be6e7ce5788e50c62d40c59b0bbc2ea423683f7Ted Kremenek EndOfTranslationUnitCheckers.push_back(checkfn); 6559be6e7ce5788e50c62d40c59b0bbc2ea423683f7Ted Kremenek} 6569be6e7ce5788e50c62d40c59b0bbc2ea423683f7Ted Kremenek 657769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis//===----------------------------------------------------------------------===// 658769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis// Implementation details. 659769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis//===----------------------------------------------------------------------===// 660769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 661769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios KyrtzidisCheckerManager::CachedStmtCheckers * 662769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios KyrtzidisCheckerManager::getCachedStmtCheckersFor(const Stmt *S, bool isPreVisit) { 663769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis assert(S); 664769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 665769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis CachedStmtCheckersKey key(S->getStmtClass(), isPreVisit); 666769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis CachedStmtCheckers *checkers = 0; 667769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis CachedStmtCheckersMapTy::iterator CCI = CachedStmtCheckersMap.find(key); 668769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis if (CCI != CachedStmtCheckersMap.end()) { 669769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis checkers = &(CCI->second); 670769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis } else { 671769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis // Find the checkers that should run for this Stmt and cache them. 672769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis checkers = &CachedStmtCheckersMap[key]; 673769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis for (unsigned i = 0, e = StmtCheckers.size(); i != e; ++i) { 674769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis StmtCheckerInfo &info = StmtCheckers[i]; 675769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis if (info.IsPreVisit == isPreVisit && info.IsForStmtFn(S)) 676769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis checkers->push_back(info.CheckFn); 677769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis } 6789fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis } 679769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 680769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis assert(checkers); 681769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis return checkers; 682769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis} 683769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis 684769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios KyrtzidisCheckerManager::~CheckerManager() { 685769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis for (unsigned i = 0, e = CheckerDtors.size(); i != e; ++i) 686769ce3e93ad35bd9ac28e4d8b8f035ae4fd9a5b5Argyrios Kyrtzidis CheckerDtors[i](); 6879fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis} 688