AnalysisConsumer.cpp revision 5f83d6f36a7308eef21d87104fd70c421e854448
1f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek//===--- AnalysisConsumer.cpp - ASTConsumer for running Analyses ----------===// 2f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek// 3f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek// The LLVM Compiler Infrastructure 4f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek// 5f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek// This file is distributed under the University of Illinois Open Source 6f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek// License. See LICENSE.TXT for details. 7f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek// 8f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek//===----------------------------------------------------------------------===// 9f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek// 10f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek// "Meta" ASTConsumer for running different source analyses. 11f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek// 12f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek//===----------------------------------------------------------------------===// 13f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek 14e6348c336fecc8da9288ea367375a1b1cd2358d2Argyrios Kyrtzidis#include "AnalysisConsumer.h" 15f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek#include "clang/AST/ASTConsumer.h" 16f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek#include "clang/AST/Decl.h" 17802be99a6817aba6edb166b93c133da4358aa783Zhongxing Xu#include "clang/AST/DeclCXX.h" 18f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek#include "clang/AST/DeclObjC.h" 19efceabd2380f49306bc0229583458e93b062094bDaniel Dunbar#include "clang/AST/ParentMap.h" 20efceabd2380f49306bc0229583458e93b062094bDaniel Dunbar#include "clang/Analysis/Analyses/LiveVariables.h" 211309f9a3b225ea846e5822691c39a77423125505Ted Kremenek#include "clang/Analysis/Analyses/UninitializedValues.h" 22efceabd2380f49306bc0229583458e93b062094bDaniel Dunbar#include "clang/Analysis/CFG.h" 2321142581d55918beed544a757e4af3bb865b1812Ted Kremenek#include "clang/StaticAnalyzer/Checkers/LocalCheckers.h" 249b663716449b618ba0390b1dbebc54fa8e971124Ted Kremenek#include "clang/StaticAnalyzer/Core/BugReporter/PathDiagnostic.h" 259b663716449b618ba0390b1dbebc54fa8e971124Ted Kremenek#include "clang/StaticAnalyzer/Core/PathSensitive/AnalysisManager.h" 269b663716449b618ba0390b1dbebc54fa8e971124Ted Kremenek#include "clang/StaticAnalyzer/Core/BugReporter/BugReporter.h" 279b663716449b618ba0390b1dbebc54fa8e971124Ted Kremenek#include "clang/StaticAnalyzer/Core/PathSensitive/ExprEngine.h" 289b663716449b618ba0390b1dbebc54fa8e971124Ted Kremenek#include "clang/StaticAnalyzer/Core/PathSensitive/TransferFuncs.h" 299b663716449b618ba0390b1dbebc54fa8e971124Ted Kremenek#include "clang/StaticAnalyzer/Core/PathDiagnosticClients.h" 30a7af5ea88a6c5bdf87497cca6c20831e8c546751Argyrios Kyrtzidis 31a7af5ea88a6c5bdf87497cca6c20831e8c546751Argyrios Kyrtzidis// FIXME: Restructure checker registration. 32e817771c57d0eacbe069a314ba619c43d0ac70abArgyrios Kyrtzidis#include "../Checkers/ExperimentalChecks.h" 33e817771c57d0eacbe069a314ba619c43d0ac70abArgyrios Kyrtzidis#include "../Checkers/InternalChecks.h" 34a7af5ea88a6c5bdf87497cca6c20831e8c546751Argyrios Kyrtzidis 35efceabd2380f49306bc0229583458e93b062094bDaniel Dunbar#include "clang/Basic/FileManager.h" 36efceabd2380f49306bc0229583458e93b062094bDaniel Dunbar#include "clang/Basic/SourceManager.h" 379b414d3e2d0cb84512b55a3275a98490b090162aDaniel Dunbar#include "clang/Frontend/AnalyzerOptions.h" 38efceabd2380f49306bc0229583458e93b062094bDaniel Dunbar#include "clang/Lex/Preprocessor.h" 39f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek#include "llvm/Support/raw_ostream.h" 4003013fa9a0bf1ef4b907f5fec006c8f4000fdd21Michael J. Spencer#include "llvm/Support/Path.h" 4103013fa9a0bf1ef4b907f5fec006c8f4000fdd21Michael J. Spencer#include "llvm/Support/Program.h" 426cb7c1a43b0c8f739d1f54b7fdae5ede86033496Benjamin Kramer#include "llvm/ADT/OwningPtr.h" 43db09a4dee28a4515438af60f2d2b4a83e4965c31Ted Kremenek 44f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenekusing namespace clang; 459ef6537a894c33003359b1f9b9676e9178e028b7Ted Kremenekusing namespace ento; 46f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek 47c5619d901a68dc27a9e310a6a831f03efebcd950Zhongxing Xustatic ExplodedNode::Auditor* CreateUbiViz(); 48ff944a8c481d6c0f1ad2633e4be9bf8b1dd2a09fZhongxing Xu 49be1fe1eb12a1cb91c8e3a9fcc2db4dfe989def6cTed Kremenek//===----------------------------------------------------------------------===// 50f75560670bcdd59b051149bdece3eac14e313853Ted Kremenek// Special PathDiagnosticClients. 51f75560670bcdd59b051149bdece3eac14e313853Ted Kremenek//===----------------------------------------------------------------------===// 52f75560670bcdd59b051149bdece3eac14e313853Ted Kremenek 53f75560670bcdd59b051149bdece3eac14e313853Ted Kremenekstatic PathDiagnosticClient* 54f928dca56542cf8f981a684f090d2c79bdcb2a10Argyrios KyrtzidiscreatePlistHTMLDiagnosticClient(const std::string& prefix, 55efceabd2380f49306bc0229583458e93b062094bDaniel Dunbar const Preprocessor &PP) { 56d5b08bee799d4f77f1a25fa5977ca77b983ab031Michael J. Spencer PathDiagnosticClient *PD = 57d5b08bee799d4f77f1a25fa5977ca77b983ab031Michael J. Spencer createHTMLDiagnosticClient(llvm::sys::path::parent_path(prefix), PP); 58f928dca56542cf8f981a684f090d2c79bdcb2a10Argyrios Kyrtzidis return createPlistDiagnosticClient(prefix, PP, PD); 59f75560670bcdd59b051149bdece3eac14e313853Ted Kremenek} 60f75560670bcdd59b051149bdece3eac14e313853Ted Kremenek 61f75560670bcdd59b051149bdece3eac14e313853Ted Kremenek//===----------------------------------------------------------------------===// 62f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek// AnalysisConsumer declaration. 63f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek//===----------------------------------------------------------------------===// 64f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek 65f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremeneknamespace { 66f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek 67ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xuclass AnalysisConsumer : public ASTConsumer { 68ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xupublic: 696490ae5003226cae28f980648948bea8b21a8638Douglas Gregor typedef void (*CodeAction)(AnalysisConsumer &C, AnalysisManager &M, Decl *D); 70f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek typedef void (*TUAction)(AnalysisConsumer &C, AnalysisManager &M, 71f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek TranslationUnitDecl &TU); 72f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek 73ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xuprivate: 741d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek typedef std::vector<CodeAction> Actions; 75f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek typedef std::vector<TUAction> TUActions; 76f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek 771d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek Actions FunctionActions; 781d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek Actions ObjCMethodActions; 791d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek Actions ObjCImplementationActions; 80ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu Actions CXXMethodActions; 81ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu TUActions TranslationUnitActions; // Remove this. 821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 831d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenekpublic: 841d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek ASTContext* Ctx; 851d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek const Preprocessor &PP; 861d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek const std::string OutDir; 871d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek AnalyzerOptions Opts; 88d07a0d0279c09d1017f8450fce575a94dc9703c0Zhongxing Xu 891d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek // PD is owned by AnalysisManager. 901d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek PathDiagnosticClient *PD; 91d07a0d0279c09d1017f8450fce575a94dc9703c0Zhongxing Xu 921d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek StoreManagerCreator CreateStoreMgr; 931d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek ConstraintManagerCreator CreateConstraintMgr; 94f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek 951d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek llvm::OwningPtr<AnalysisManager> Mgr; 96c471e7b44e63ff1b46b480e723c4130aeaef5a8aZhongxing Xu 971d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek AnalysisConsumer(const Preprocessor& pp, 981d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek const std::string& outdir, 991d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek const AnalyzerOptions& opts) 1001d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek : Ctx(0), PP(pp), OutDir(outdir), 101c4a1437c15da43eb8d2601cdce13161ef41a4389Ted Kremenek Opts(opts), PD(0) { 1021d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek DigestAnalyzerOptions(); 1031d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek } 104fda7832b000ff8927386f093b52c067641679469Zhongxing Xu 1051d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek void DigestAnalyzerOptions() { 1061d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek // Create the PathDiagnosticClient. 1071d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek if (!OutDir.empty()) { 1081d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek switch (Opts.AnalysisDiagOpt) { 1091d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek default: 110fda7832b000ff8927386f093b52c067641679469Zhongxing Xu#define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATEFN, AUTOCREATE) \ 1111d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek case PD_##NAME: PD = CREATEFN(OutDir, PP); break; 112fda7832b000ff8927386f093b52c067641679469Zhongxing Xu#include "clang/Frontend/Analyses.def" 113fda7832b000ff8927386f093b52c067641679469Zhongxing Xu } 114a599ae8826b01c0160a519b0fc5a4871f599bf04Argyrios Kyrtzidis } else if (Opts.AnalysisDiagOpt == PD_TEXT) { 115a599ae8826b01c0160a519b0fc5a4871f599bf04Argyrios Kyrtzidis // Create the text client even without a specified output file since 116a599ae8826b01c0160a519b0fc5a4871f599bf04Argyrios Kyrtzidis // it just uses diagnostic notes. 117a599ae8826b01c0160a519b0fc5a4871f599bf04Argyrios Kyrtzidis PD = createTextPathDiagnosticClient("", PP); 1181d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek } 119fda7832b000ff8927386f093b52c067641679469Zhongxing Xu 1201d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek // Create the analyzer component creators. 1215f83d6f36a7308eef21d87104fd70c421e854448Argyrios Kyrtzidis switch (Opts.AnalysisStoreOpt) { 1225f83d6f36a7308eef21d87104fd70c421e854448Argyrios Kyrtzidis default: 1235f83d6f36a7308eef21d87104fd70c421e854448Argyrios Kyrtzidis assert(0 && "Unknown store manager."); 124fda7832b000ff8927386f093b52c067641679469Zhongxing Xu#define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATEFN) \ 1255f83d6f36a7308eef21d87104fd70c421e854448Argyrios Kyrtzidis case NAME##Model: CreateStoreMgr = CREATEFN; break; 126fda7832b000ff8927386f093b52c067641679469Zhongxing Xu#include "clang/Frontend/Analyses.def" 1271d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek } 1281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1295f83d6f36a7308eef21d87104fd70c421e854448Argyrios Kyrtzidis switch (Opts.AnalysisConstraintsOpt) { 1305f83d6f36a7308eef21d87104fd70c421e854448Argyrios Kyrtzidis default: 1315f83d6f36a7308eef21d87104fd70c421e854448Argyrios Kyrtzidis assert(0 && "Unknown store manager."); 132fda7832b000ff8927386f093b52c067641679469Zhongxing Xu#define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATEFN) \ 1335f83d6f36a7308eef21d87104fd70c421e854448Argyrios Kyrtzidis case NAME##Model: CreateConstraintMgr = CREATEFN; break; 134fda7832b000ff8927386f093b52c067641679469Zhongxing Xu#include "clang/Frontend/Analyses.def" 135fda7832b000ff8927386f093b52c067641679469Zhongxing Xu } 1361d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek } 137f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek 1381d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek void DisplayFunction(const Decl *D) { 139c4a1437c15da43eb8d2601cdce13161ef41a4389Ted Kremenek if (!Opts.AnalyzerDisplayProgress) 1401d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek return; 141f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek 142fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek SourceManager &SM = Mgr->getASTContext().getSourceManager(); 143fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek PresumedLoc Loc = SM.getPresumedLoc(D->getLocation()); 144cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor if (Loc.isValid()) { 145cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor llvm::errs() << "ANALYZE: " << Loc.getFilename(); 146fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek 147cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor if (isa<FunctionDecl>(D) || isa<ObjCMethodDecl>(D)) { 148cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor const NamedDecl *ND = cast<NamedDecl>(D); 149cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor llvm::errs() << ' ' << ND << '\n'; 150cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor } 151cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor else if (isa<BlockDecl>(D)) { 152cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor llvm::errs() << ' ' << "block(line:" << Loc.getLine() << ",col:" 153cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor << Loc.getColumn() << '\n'; 154cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor } 155cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor else if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D)) { 156cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor Selector S = MD->getSelector(); 157cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor llvm::errs() << ' ' << S.getAsString(); 158cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor } 15935fa76d0bb6fb8c86159a7506efd094a4fe376d2Ted Kremenek } 1601d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek } 1611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1621d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek void addCodeAction(CodeAction action) { 1631d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek FunctionActions.push_back(action); 1641d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek ObjCMethodActions.push_back(action); 165ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu CXXMethodActions.push_back(action); 1661d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek } 1671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 168f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek void addTranslationUnitAction(TUAction action) { 1691d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek TranslationUnitActions.push_back(action); 1701d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek } 1711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 172ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu void addObjCImplementationAction(CodeAction action) { 173ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu ObjCImplementationActions.push_back(action); 174ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu } 175ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu 1761d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek virtual void Initialize(ASTContext &Context) { 1771d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek Ctx = &Context; 1781d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek Mgr.reset(new AnalysisManager(*Ctx, PP.getDiagnostics(), 1791d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek PP.getLangOptions(), PD, 1801d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek CreateStoreMgr, CreateConstraintMgr, 181c6238d2786cfd961b94580b3d3675a1b3ff0721cZhongxing Xu /* Indexer */ 0, 1826362b893731ccf4480a96527db9e55e04b801503Zhongxing Xu Opts.MaxNodes, Opts.MaxLoop, 1831d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek Opts.VisualizeEGDot, Opts.VisualizeEGUbi, 1841d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek Opts.PurgeDead, Opts.EagerlyAssume, 1859b823e8e1ccb8a2cb49923bad22a80ca96f41f92Ted Kremenek Opts.TrimGraph, Opts.InlineCall, 1869121ba232903ebe61e7bbe14ca294cf0f07dfa96Marcin Swiderski Opts.UnoptimizedCFG, Opts.CFGAddImplicitDtors, 187d767d81290288c030f3be0be1d3e62b9c8df51dcTed Kremenek Opts.CFGAddInitializers, 188d767d81290288c030f3be0be1d3e62b9c8df51dcTed Kremenek Opts.EagerlyTrimEGraph)); 1891d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek } 1901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1911d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek virtual void HandleTranslationUnit(ASTContext &C); 19214cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek void HandleDeclContext(ASTContext &C, DeclContext *dc); 19314cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek 19406a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis void HandleCode(Decl *D, Actions& actions); 1951d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek}; 196f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek} // end anonymous namespace 197f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek 198f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek//===----------------------------------------------------------------------===// 199f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek// AnalysisConsumer implementation. 200f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek//===----------------------------------------------------------------------===// 201f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek 20214cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenekvoid AnalysisConsumer::HandleDeclContext(ASTContext &C, DeclContext *dc) { 20314cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek for (DeclContext::decl_iterator I = dc->decls_begin(), E = dc->decls_end(); 204ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu I != E; ++I) { 205ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu Decl *D = *I; 20614cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek 207ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu switch (D->getKind()) { 20814cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek case Decl::Namespace: { 20914cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek HandleDeclContext(C, cast<NamespaceDecl>(D)); 21014cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek break; 211ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu } 21214cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek case Decl::CXXConstructor: 21314cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek case Decl::CXXDestructor: 21414cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek case Decl::CXXConversion: 21514cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek case Decl::CXXMethod: 21614cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek case Decl::Function: { 21714cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek FunctionDecl* FD = cast<FunctionDecl>(D); 21814cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek // We skip function template definitions, as their semantics is 21914cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek // only determined when they are instantiated. 22014cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek if (FD->isThisDeclarationADefinition() && 22114cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek !FD->isDependentContext()) { 222ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu if (!Opts.AnalyzeSpecificFunction.empty() && 22314cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek FD->getDeclName().getAsString() != Opts.AnalyzeSpecificFunction) 224ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu break; 22514cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek DisplayFunction(FD); 22614cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek HandleCode(FD, FunctionActions); 227ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu } 22814cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek break; 229ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu } 23014cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek 23114cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek case Decl::ObjCImplementation: { 23214cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek ObjCImplementationDecl* ID = cast<ObjCImplementationDecl>(*I); 23314cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek HandleCode(ID, ObjCImplementationActions); 23414cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek 23514cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek for (ObjCImplementationDecl::method_iterator MI = ID->meth_begin(), 23614cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek ME = ID->meth_end(); MI != ME; ++MI) { 23714cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek if ((*MI)->isThisDeclarationADefinition()) { 23814cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek if (!Opts.AnalyzeSpecificFunction.empty() && 23914cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek Opts.AnalyzeSpecificFunction != (*MI)->getSelector().getAsString()) 24014cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek break; 24114cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek DisplayFunction(*MI); 24214cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek HandleCode(*MI, ObjCMethodActions); 24314cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek } 24414cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek } 24514cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek break; 24614cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek } 24714cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek 24814cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek default: 24914cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek break; 250ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu } 25114cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek } 25214cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek} 253f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek 25414cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenekvoid AnalysisConsumer::HandleTranslationUnit(ASTContext &C) { 25514cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek TranslationUnitDecl *TU = C.getTranslationUnitDecl(); 25614cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek HandleDeclContext(C, TU); 257b317f8f5ca8737a5bbad97a3f7566a2dbd2ed61bZhongxing Xu 258f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek for (TUActions::iterator I = TranslationUnitActions.begin(), 259f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek E = TranslationUnitActions.end(); I != E; ++I) { 260f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek (*I)(*this, *Mgr, *TU); 261daac634c9744257d43ce892b973019b16468caf2Ted Kremenek } 262daac634c9744257d43ce892b973019b16468caf2Ted Kremenek 263690a7f431d6863a101711e67636d51ddd13f35c5Ted Kremenek // Explicitly destroy the PathDiagnosticClient. This will flush its output. 264690a7f431d6863a101711e67636d51ddd13f35c5Ted Kremenek // FIXME: This should be replaced with something that doesn't rely on 265da17fd50ad485fd2a1fc5c2f055caacf532992daZhongxing Xu // side-effects in PathDiagnosticClient's destructor. This is required when 266da17fd50ad485fd2a1fc5c2f055caacf532992daZhongxing Xu // used with option -disable-free. 267d07a0d0279c09d1017f8450fce575a94dc9703c0Zhongxing Xu Mgr.reset(NULL); 268db09a4dee28a4515438af60f2d2b4a83e4965c31Ted Kremenek} 269db09a4dee28a4515438af60f2d2b4a83e4965c31Ted Kremenek 270fc576514d06c46a7cac49500169411d82f38d04bTed Kremenekstatic void FindBlocks(DeclContext *D, llvm::SmallVectorImpl<Decl*> &WL) { 271fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek if (BlockDecl *BD = dyn_cast<BlockDecl>(D)) 272fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek WL.push_back(BD); 273f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek 274fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek for (DeclContext::decl_iterator I = D->decls_begin(), E = D->decls_end(); 275fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek I!=E; ++I) 276fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek if (DeclContext *DC = dyn_cast<DeclContext>(*I)) 277fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek FindBlocks(DC, WL); 278fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek} 279fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek 28006a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidisvoid AnalysisConsumer::HandleCode(Decl *D, Actions& actions) { 2811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 282f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek // Don't run the actions if an error has occured with parsing the file. 28399e8192c4c8f1f596f9969e5f2cdafcee64ddaacTed Kremenek Diagnostic &Diags = PP.getDiagnostics(); 28499e8192c4c8f1f596f9969e5f2cdafcee64ddaacTed Kremenek if (Diags.hasErrorOccurred() || Diags.hasFatalErrorOccurred()) 285f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek return; 28681922f01352aceeb923c0c3cc8c96b6527322384Ted Kremenek 287f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek // Don't run the actions on declarations in header files unless 288f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek // otherwise specified. 289fcd783d583d270b7ec1ec3e0fcf83cd93d30e381Ted Kremenek SourceManager &SM = Ctx->getSourceManager(); 290fcd783d583d270b7ec1ec3e0fcf83cd93d30e381Ted Kremenek SourceLocation SL = SM.getInstantiationLoc(D->getLocation()); 291fcd783d583d270b7ec1ec3e0fcf83cd93d30e381Ted Kremenek if (!Opts.AnalyzeAll && !SM.isFromMainFile(SL)) 2921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return; 293f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek 29458f5ec7d56b1ebf5f90ee11226ebe7663f2821eaTed Kremenek // Clear the AnalysisManager of old AnalysisContexts. 29558f5ec7d56b1ebf5f90ee11226ebe7663f2821eaTed Kremenek Mgr->ClearContexts(); 296f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek 2971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Dispatch on the actions. 298fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek llvm::SmallVector<Decl*, 10> WL; 299fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek WL.push_back(D); 300f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek 30106a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (D->hasBody() && Opts.AnalyzeNestedBlocks) 302fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek FindBlocks(cast<DeclContext>(D), WL); 303f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek 3043702af57e399448efa8e2bfd600f009945b5c936Zhongxing Xu for (Actions::iterator I = actions.begin(), E = actions.end(); I != E; ++I) 305fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek for (llvm::SmallVectorImpl<Decl*>::iterator WI=WL.begin(), WE=WL.end(); 306fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek WI != WE; ++WI) 307fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek (*I)(*this, *Mgr, *WI); 308f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek} 309f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek 310f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek//===----------------------------------------------------------------------===// 311f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek// Analyses 312f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek//===----------------------------------------------------------------------===// 313f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek 3141d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenekstatic void ActionWarnDeadStores(AnalysisConsumer &C, AnalysisManager& mgr, 3151d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek Decl *D) { 316b317f8f5ca8737a5bbad97a3f7566a2dbd2ed61bZhongxing Xu if (LiveVariables *L = mgr.getLiveVariables(D)) { 3177032f460fc9828f386056e75933da5af61e88638Ted Kremenek BugReporter BR(mgr); 318b317f8f5ca8737a5bbad97a3f7566a2dbd2ed61bZhongxing Xu CheckDeadStores(*mgr.getCFG(D), *L, mgr.getParentMap(D), BR); 3197032f460fc9828f386056e75933da5af61e88638Ted Kremenek } 320f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek} 321f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek 3221d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenekstatic void ActionWarnUninitVals(AnalysisConsumer &C, AnalysisManager& mgr, 3231d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek Decl *D) { 3241d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek if (CFG* c = mgr.getCFG(D)) { 3255032ffe4259e7d436f2eb19e5a29fdae559e7c12Zhongxing Xu CheckUninitializedValues(*c, mgr.getASTContext(), mgr.getDiagnostic()); 3261d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek } 327f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek} 328f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek 329b35a74a40c1d2656a25e560e773ed48bdf49f9c0Ted Kremenek 330d2592a34a059e7cbb2b11dc53649ac4912422909Argyrios Kyrtzidisstatic void ActionExprEngine(AnalysisConsumer &C, AnalysisManager& mgr, 331f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek Decl *D, 332d2592a34a059e7cbb2b11dc53649ac4912422909Argyrios Kyrtzidis TransferFuncs* tf) { 3331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 334d2592a34a059e7cbb2b11dc53649ac4912422909Argyrios Kyrtzidis llvm::OwningPtr<TransferFuncs> TF(tf); 3357032f460fc9828f386056e75933da5af61e88638Ted Kremenek 33675d03cffe20b5c945ef04eba208efb0437339997Ted Kremenek // Construct the analysis engine. We first query for the LiveVariables 33775d03cffe20b5c945ef04eba208efb0437339997Ted Kremenek // information to see if the CFG is valid. 33875d03cffe20b5c945ef04eba208efb0437339997Ted Kremenek // FIXME: Inter-procedural analysis will need to handle invalid CFGs. 33975d03cffe20b5c945ef04eba208efb0437339997Ted Kremenek if (!mgr.getLiveVariables(D)) 340f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek return; 341d2592a34a059e7cbb2b11dc53649ac4912422909Argyrios Kyrtzidis ExprEngine Eng(mgr, TF.take()); 342f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek 3438382cf57b722f130f1a6b45380639871c07271c1Ted Kremenek if (C.Opts.EnableExperimentalInternalChecks) 3448382cf57b722f130f1a6b45380639871c07271c1Ted Kremenek RegisterExperimentalInternalChecks(Eng); 345f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek 3466a19832d08f00ac78c0a69c4fbe38b04a55b75ccTed Kremenek RegisterAppleChecks(Eng, *D); 347f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek 348eb94113be0ee5f4d38408b413d92464a0bc16b55Ted Kremenek if (C.Opts.EnableExperimentalChecks) 349eb94113be0ee5f4d38408b413d92464a0bc16b55Ted Kremenek RegisterExperimentalChecks(Eng); 350f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek 351bd5a94e263137dc3ce7c100485626bae025cf58eArgyrios Kyrtzidis if (C.Opts.ObjCSelfInitCheck && isa<ObjCMethodDecl>(D)) 352bd5a94e263137dc3ce7c100485626bae025cf58eArgyrios Kyrtzidis registerObjCSelfInitChecker(Eng); 353bd5a94e263137dc3ce7c100485626bae025cf58eArgyrios Kyrtzidis 3541fafd1d96419f587763d1b81332d8f476aeace2eTom Care // Enable idempotent operation checking if it was explicitly turned on, or if 3551fafd1d96419f587763d1b81332d8f476aeace2eTom Care // we are running experimental checks (i.e. everything) 3561fafd1d96419f587763d1b81332d8f476aeace2eTom Care if (C.Opts.IdempotentOps || C.Opts.EnableExperimentalChecks 3571fafd1d96419f587763d1b81332d8f476aeace2eTom Care || C.Opts.EnableExperimentalInternalChecks) 3581fafd1d96419f587763d1b81332d8f476aeace2eTom Care RegisterIdempotentOperationChecker(Eng); 359c478a1425c055e517169220ea1c1efd857e65f52Ted Kremenek 360c478a1425c055e517169220ea1c1efd857e65f52Ted Kremenek if (C.Opts.BufferOverflows) 361c478a1425c055e517169220ea1c1efd857e65f52Ted Kremenek RegisterArrayBoundCheckerV2(Eng); 3621fafd1d96419f587763d1b81332d8f476aeace2eTom Care 36352d861ce41ce84d8389495ea78d97bcc962ac5baTom Care // Enable AnalyzerStatsChecker if it was given as an argument 36452d861ce41ce84d8389495ea78d97bcc962ac5baTom Care if (C.Opts.AnalyzerStats) 36552d861ce41ce84d8389495ea78d97bcc962ac5baTom Care RegisterAnalyzerStatsChecker(Eng); 36652d861ce41ce84d8389495ea78d97bcc962ac5baTom Care 367f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek // Set the graph auditor. 368c5619d901a68dc27a9e310a6a831f03efebcd950Zhongxing Xu llvm::OwningPtr<ExplodedNode::Auditor> Auditor; 369f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek if (mgr.shouldVisualizeUbigraph()) { 370f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek Auditor.reset(CreateUbiViz()); 371c5619d901a68dc27a9e310a6a831f03efebcd950Zhongxing Xu ExplodedNode::SetAuditor(Auditor.get()); 372f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek } 3731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 374b35a74a40c1d2656a25e560e773ed48bdf49f9c0Ted Kremenek // Execute the worklist algorithm. 375c6238d2786cfd961b94580b3d3675a1b3ff0721cZhongxing Xu Eng.ExecuteWorkList(mgr.getStackFrame(D, 0), mgr.getMaxNodes()); 3761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 377f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek // Release the auditor (if any) so that it doesn't monitor the graph 378f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek // created BugReporter. 379c5619d901a68dc27a9e310a6a831f03efebcd950Zhongxing Xu ExplodedNode::SetAuditor(0); 3803df6421150271266b5a90fd4c6bfa6566c38c036Ted Kremenek 38134d7734b6ed1d9c0f647405e065251eb67f42badTed Kremenek // Visualize the exploded graph. 382f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek if (mgr.shouldVisualizeGraphviz()) 38334d7734b6ed1d9c0f647405e065251eb67f42badTed Kremenek Eng.ViewGraph(mgr.shouldTrimGraph()); 3841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3853df6421150271266b5a90fd4c6bfa6566c38c036Ted Kremenek // Display warnings. 3863df6421150271266b5a90fd4c6bfa6566c38c036Ted Kremenek Eng.getBugReporter().FlushReports(); 387bc46f345838b1c0d420dbd3655c94f5f360fb5b8Ted Kremenek} 388bc46f345838b1c0d420dbd3655c94f5f360fb5b8Ted Kremenek 389565e465c6d0093f1bf8414b2cabdc842022385a9Ted Kremenekstatic void ActionObjCMemCheckerAux(AnalysisConsumer &C, AnalysisManager& mgr, 3901d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek Decl *D, bool GCEnabled) { 3911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 392d2592a34a059e7cbb2b11dc53649ac4912422909Argyrios Kyrtzidis TransferFuncs* TF = MakeCFRefCountTF(mgr.getASTContext(), 393bc46f345838b1c0d420dbd3655c94f5f360fb5b8Ted Kremenek GCEnabled, 394bc46f345838b1c0d420dbd3655c94f5f360fb5b8Ted Kremenek mgr.getLangOptions()); 3951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 396d2592a34a059e7cbb2b11dc53649ac4912422909Argyrios Kyrtzidis ActionExprEngine(C, mgr, D, TF); 397b35a74a40c1d2656a25e560e773ed48bdf49f9c0Ted Kremenek} 398b35a74a40c1d2656a25e560e773ed48bdf49f9c0Ted Kremenek 399565e465c6d0093f1bf8414b2cabdc842022385a9Ted Kremenekstatic void ActionObjCMemChecker(AnalysisConsumer &C, AnalysisManager& mgr, 4001d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek Decl *D) { 4011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 402b35a74a40c1d2656a25e560e773ed48bdf49f9c0Ted Kremenek switch (mgr.getLangOptions().getGCMode()) { 403b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump default: 404b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump assert (false && "Invalid GC mode."); 405b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump case LangOptions::NonGC: 406565e465c6d0093f1bf8414b2cabdc842022385a9Ted Kremenek ActionObjCMemCheckerAux(C, mgr, D, false); 407b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump break; 408b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump 409b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump case LangOptions::GCOnly: 410565e465c6d0093f1bf8414b2cabdc842022385a9Ted Kremenek ActionObjCMemCheckerAux(C, mgr, D, true); 411b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump break; 412b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump 413b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump case LangOptions::HybridGC: 414565e465c6d0093f1bf8414b2cabdc842022385a9Ted Kremenek ActionObjCMemCheckerAux(C, mgr, D, false); 415565e465c6d0093f1bf8414b2cabdc842022385a9Ted Kremenek ActionObjCMemCheckerAux(C, mgr, D, true); 416b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump break; 417b35a74a40c1d2656a25e560e773ed48bdf49f9c0Ted Kremenek } 418b35a74a40c1d2656a25e560e773ed48bdf49f9c0Ted Kremenek} 419b35a74a40c1d2656a25e560e773ed48bdf49f9c0Ted Kremenek 4201d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenekstatic void ActionDisplayLiveVariables(AnalysisConsumer &C, 4211d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek AnalysisManager& mgr, Decl *D) { 422b317f8f5ca8737a5bbad97a3f7566a2dbd2ed61bZhongxing Xu if (LiveVariables* L = mgr.getLiveVariables(D)) { 4237032f460fc9828f386056e75933da5af61e88638Ted Kremenek L->dumpBlockLiveness(mgr.getSourceManager()); 4247032f460fc9828f386056e75933da5af61e88638Ted Kremenek } 425235e031e84dd9d9aeee554db40e480f14650b527Ted Kremenek} 426235e031e84dd9d9aeee554db40e480f14650b527Ted Kremenek 4271d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenekstatic void ActionCFGDump(AnalysisConsumer &C, AnalysisManager& mgr, Decl *D) { 4281d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek if (CFG *cfg = mgr.getCFG(D)) { 4291d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek cfg->dump(mgr.getLangOptions()); 4307032f460fc9828f386056e75933da5af61e88638Ted Kremenek } 431902141f74ac3a2cd41966a98cd43e8702bc05ce9Ted Kremenek} 432902141f74ac3a2cd41966a98cd43e8702bc05ce9Ted Kremenek 4331d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenekstatic void ActionCFGView(AnalysisConsumer &C, AnalysisManager& mgr, Decl *D) { 4341d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek if (CFG *cfg = mgr.getCFG(D)) { 4351d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek cfg->viewCFG(mgr.getLangOptions()); 4367032f460fc9828f386056e75933da5af61e88638Ted Kremenek } 437902141f74ac3a2cd41966a98cd43e8702bc05ce9Ted Kremenek} 438902141f74ac3a2cd41966a98cd43e8702bc05ce9Ted Kremenek 4391d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenekstatic void ActionSecuritySyntacticChecks(AnalysisConsumer &C, 4401d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek AnalysisManager &mgr, Decl *D) { 4411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BugReporter BR(mgr); 442b317f8f5ca8737a5bbad97a3f7566a2dbd2ed61bZhongxing Xu CheckSecuritySyntaxOnly(D, BR); 443dbfb5f853547c4cc2b4b39e90f01537dd317457aTed Kremenek} 444dbfb5f853547c4cc2b4b39e90f01537dd317457aTed Kremenek 4456dd66ed959b7f60749dd0040507b3f304183a1b6Ted Kremenekstatic void ActionLLVMConventionChecker(AnalysisConsumer &C, 4466dd66ed959b7f60749dd0040507b3f304183a1b6Ted Kremenek AnalysisManager &mgr, 447676ca153e04b1c6be477bc8a10f1e06256850ceeTed Kremenek TranslationUnitDecl &TU) { 4486dd66ed959b7f60749dd0040507b3f304183a1b6Ted Kremenek BugReporter BR(mgr); 449676ca153e04b1c6be477bc8a10f1e06256850ceeTed Kremenek CheckLLVMConventions(TU, BR); 4506dd66ed959b7f60749dd0040507b3f304183a1b6Ted Kremenek} 4516dd66ed959b7f60749dd0040507b3f304183a1b6Ted Kremenek 4521d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenekstatic void ActionWarnObjCDealloc(AnalysisConsumer &C, AnalysisManager& mgr, 4531d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek Decl *D) { 4544f4e7e4610f7a6eb8923a3bf6f2951b2dca98608Ted Kremenek if (mgr.getLangOptions().getGCMode() == LangOptions::GCOnly) 4554f4e7e4610f7a6eb8923a3bf6f2951b2dca98608Ted Kremenek return; 456db09a4dee28a4515438af60f2d2b4a83e4965c31Ted Kremenek BugReporter BR(mgr); 4571d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek CheckObjCDealloc(cast<ObjCImplementationDecl>(D), mgr.getLangOptions(), BR); 458db09a4dee28a4515438af60f2d2b4a83e4965c31Ted Kremenek} 459db09a4dee28a4515438af60f2d2b4a83e4965c31Ted Kremenek 4601d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenekstatic void ActionWarnObjCUnusedIvars(AnalysisConsumer &C, AnalysisManager& mgr, 4611d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek Decl *D) { 462395aaf20d6e1ab04741562dc6b7d47164bcbd87eTed Kremenek BugReporter BR(mgr); 4631d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek CheckObjCUnusedIvar(cast<ObjCImplementationDecl>(D), BR); 464395aaf20d6e1ab04741562dc6b7d47164bcbd87eTed Kremenek} 465395aaf20d6e1ab04741562dc6b7d47164bcbd87eTed Kremenek 4661d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenekstatic void ActionWarnObjCMethSigs(AnalysisConsumer &C, AnalysisManager& mgr, 4671d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek Decl *D) { 4680d8019e55c0f465bafc11b04aed691de95b9131dTed Kremenek BugReporter BR(mgr); 469b317f8f5ca8737a5bbad97a3f7566a2dbd2ed61bZhongxing Xu CheckObjCInstMethSignature(cast<ObjCImplementationDecl>(D), BR); 4700d8019e55c0f465bafc11b04aed691de95b9131dTed Kremenek} 4710d8019e55c0f465bafc11b04aed691de95b9131dTed Kremenek 4721d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenekstatic void ActionWarnSizeofPointer(AnalysisConsumer &C, AnalysisManager &mgr, 4731d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek Decl *D) { 47428a109f63506d8c96e3fbf1b959b603ccec2f586Zhongxing Xu BugReporter BR(mgr); 47528a109f63506d8c96e3fbf1b959b603ccec2f586Zhongxing Xu CheckSizeofPointer(D, BR); 47628a109f63506d8c96e3fbf1b959b603ccec2f586Zhongxing Xu} 47728a109f63506d8c96e3fbf1b959b603ccec2f586Zhongxing Xu 478f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek//===----------------------------------------------------------------------===// 479f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek// AnalysisConsumer creation. 480f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek//===----------------------------------------------------------------------===// 481f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek 4829ef6537a894c33003359b1f9b9676e9178e028b7Ted KremenekASTConsumer* ento::CreateAnalysisConsumer(const Preprocessor& pp, 483e71b85feb0a2df9273b1b488f5b40279369a6255Eli Friedman const std::string& OutDir, 484e71b85feb0a2df9273b1b488f5b40279369a6255Eli Friedman const AnalyzerOptions& Opts) { 485efceabd2380f49306bc0229583458e93b062094bDaniel Dunbar llvm::OwningPtr<AnalysisConsumer> C(new AnalysisConsumer(pp, OutDir, Opts)); 486be1fe1eb12a1cb91c8e3a9fcc2db4dfe989def6cTed Kremenek 487e71b85feb0a2df9273b1b488f5b40279369a6255Eli Friedman for (unsigned i = 0; i < Opts.AnalysisList.size(); ++i) 488e71b85feb0a2df9273b1b488f5b40279369a6255Eli Friedman switch (Opts.AnalysisList[i]) { 489f7f3c20a5d4c5bd1857a6cea1f001bb775401e96Ted Kremenek#define ANALYSIS(NAME, CMD, DESC, SCOPE)\ 490b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump case NAME:\ 491b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump C->add ## SCOPE ## Action(&Action ## NAME);\ 492b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump break; 4934df2c42581280bb1a02a5d034dbf657514cc56e8Eli Friedman#include "clang/Frontend/Analyses.def" 494b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump default: break; 495f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek } 4961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4972c4036eda90fad6d219d9f3fadbd9288fa197e89Ted Kremenek // Last, disable the effects of '-Werror' when using the AnalysisConsumer. 498efceabd2380f49306bc0229583458e93b062094bDaniel Dunbar pp.getDiagnostics().setWarningsAsErrors(false); 499be1fe1eb12a1cb91c8e3a9fcc2db4dfe989def6cTed Kremenek 500f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek return C.take(); 501f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek} 502f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek 503f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek//===----------------------------------------------------------------------===// 504f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek// Ubigraph Visualization. FIXME: Move to separate file. 505f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek//===----------------------------------------------------------------------===// 506f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek 507f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremeneknamespace { 5081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 509c5619d901a68dc27a9e310a6a831f03efebcd950Zhongxing Xuclass UbigraphViz : public ExplodedNode::Auditor { 510f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek llvm::OwningPtr<llvm::raw_ostream> Out; 511710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek llvm::sys::Path Dir, Filename; 512f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek unsigned Cntr; 513f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek 514f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek typedef llvm::DenseMap<void*,unsigned> VMap; 515f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek VMap M; 5161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 517f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenekpublic: 518710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek UbigraphViz(llvm::raw_ostream* out, llvm::sys::Path& dir, 51956b98719b0dbebb33cb228afa888c47156be2381Ted Kremenek llvm::sys::Path& filename); 5201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 521710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek ~UbigraphViz(); 5221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual void AddEdge(ExplodedNode* Src, ExplodedNode* Dst); 524f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek}; 5251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 526f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek} // end anonymous namespace 527f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek 528c5619d901a68dc27a9e310a6a831f03efebcd950Zhongxing Xustatic ExplodedNode::Auditor* CreateUbiViz() { 529f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek std::string ErrMsg; 5301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 531710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek llvm::sys::Path Dir = llvm::sys::Path::GetTemporaryDirectory(&ErrMsg); 532f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek if (!ErrMsg.empty()) 533f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek return 0; 534f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek 535710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek llvm::sys::Path Filename = Dir; 536f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek Filename.appendComponent("llvm_ubi"); 537f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek Filename.makeUnique(true,&ErrMsg); 538f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek 539f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek if (!ErrMsg.empty()) 540f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek return 0; 541f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek 542d57a7ef9252964bc6c8471451d7bd395b0520cb8Chris Lattner llvm::errs() << "Writing '" << Filename.str() << "'.\n"; 5431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 544f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek llvm::OwningPtr<llvm::raw_fd_ostream> Stream; 545b044c473a155b7e827680635c1699cb2b5b6c0eeDan Gohman Stream.reset(new llvm::raw_fd_ostream(Filename.c_str(), ErrMsg)); 546f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek 547f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek if (!ErrMsg.empty()) 548f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek return 0; 5491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 550710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek return new UbigraphViz(Stream.take(), Dir, Filename); 551f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek} 552f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek 553c5619d901a68dc27a9e310a6a831f03efebcd950Zhongxing Xuvoid UbigraphViz::AddEdge(ExplodedNode* Src, ExplodedNode* Dst) { 5541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 55545479c88c8a44c55d27c3bd855273bb318082f37Ted Kremenek assert (Src != Dst && "Self-edges are not allowed."); 5561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 557f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek // Lookup the Src. If it is a new node, it's a root. 558f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek VMap::iterator SrcI= M.find(Src); 559f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek unsigned SrcID; 5601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 561f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek if (SrcI == M.end()) { 562f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek M[Src] = SrcID = Cntr++; 563f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek *Out << "('vertex', " << SrcID << ", ('color','#00ff00'))\n"; 564f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek } 565f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek else 566f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek SrcID = SrcI->second; 5671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 568f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek // Lookup the Dst. 569f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek VMap::iterator DstI= M.find(Dst); 570f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek unsigned DstID; 571f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek 572f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek if (DstI == M.end()) { 573f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek M[Dst] = DstID = Cntr++; 574f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek *Out << "('vertex', " << DstID << ")\n"; 575f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek } 57656b98719b0dbebb33cb228afa888c47156be2381Ted Kremenek else { 57756b98719b0dbebb33cb228afa888c47156be2381Ted Kremenek // We have hit DstID before. Change its style to reflect a cache hit. 578f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek DstID = DstI->second; 57956b98719b0dbebb33cb228afa888c47156be2381Ted Kremenek *Out << "('change_vertex_style', " << DstID << ", 1)\n"; 58056b98719b0dbebb33cb228afa888c47156be2381Ted Kremenek } 581f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek 582f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek // Add the edge. 5831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump *Out << "('edge', " << SrcID << ", " << DstID 584d1289327f7d2126d732e23cc189ecd0aa5d07cbbTed Kremenek << ", ('arrow','true'), ('oriented', 'true'))\n"; 585f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek} 586f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek 58756b98719b0dbebb33cb228afa888c47156be2381Ted KremenekUbigraphViz::UbigraphViz(llvm::raw_ostream* out, llvm::sys::Path& dir, 58856b98719b0dbebb33cb228afa888c47156be2381Ted Kremenek llvm::sys::Path& filename) 58956b98719b0dbebb33cb228afa888c47156be2381Ted Kremenek : Out(out), Dir(dir), Filename(filename), Cntr(0) { 59056b98719b0dbebb33cb228afa888c47156be2381Ted Kremenek 59156b98719b0dbebb33cb228afa888c47156be2381Ted Kremenek *Out << "('vertex_style_attribute', 0, ('shape', 'icosahedron'))\n"; 59256b98719b0dbebb33cb228afa888c47156be2381Ted Kremenek *Out << "('vertex_style', 1, 0, ('shape', 'sphere'), ('color', '#ffcc66')," 59356b98719b0dbebb33cb228afa888c47156be2381Ted Kremenek " ('size', '1.5'))\n"; 59456b98719b0dbebb33cb228afa888c47156be2381Ted Kremenek} 59556b98719b0dbebb33cb228afa888c47156be2381Ted Kremenek 596710ad9343f32b33b336369b20edad1a21a0b3299Ted KremenekUbigraphViz::~UbigraphViz() { 597710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek Out.reset(0); 5986cb7c1a43b0c8f739d1f54b7fdae5ede86033496Benjamin Kramer llvm::errs() << "Running 'ubiviz' program... "; 599710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek std::string ErrMsg; 600710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek llvm::sys::Path Ubiviz = llvm::sys::Program::FindProgramByName("ubiviz"); 601710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek std::vector<const char*> args; 602710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek args.push_back(Ubiviz.c_str()); 603710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek args.push_back(Filename.c_str()); 604710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek args.push_back(0); 6051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 606710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek if (llvm::sys::Program::ExecuteAndWait(Ubiviz, &args[0],0,0,0,0,&ErrMsg)) { 6076cb7c1a43b0c8f739d1f54b7fdae5ede86033496Benjamin Kramer llvm::errs() << "Error viewing graph: " << ErrMsg << "\n"; 608710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek } 6091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 610710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek // Delete the directory. 6111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Dir.eraseFromDisk(true); 612932680ecdeab4c216ce7c0736093d3dcd2f60f6dDaniel Dunbar} 613