AnalysisConsumer.cpp revision d655ab28fdf7c940d3f79f8f287954d7f76e0977
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" 2327af04bcca46f8a3374586be1301477f9123f5e1Argyrios Kyrtzidis#include "clang/StaticAnalyzer/Frontend/CheckerRegistration.h" 2443dee220252ef0b42c5f8a3bb1eca97f84f2565fArgyrios Kyrtzidis#include "clang/StaticAnalyzer/Core/CheckerManager.h" 2521142581d55918beed544a757e4af3bb865b1812Ted Kremenek#include "clang/StaticAnalyzer/Checkers/LocalCheckers.h" 269b663716449b618ba0390b1dbebc54fa8e971124Ted Kremenek#include "clang/StaticAnalyzer/Core/BugReporter/PathDiagnostic.h" 279b663716449b618ba0390b1dbebc54fa8e971124Ted Kremenek#include "clang/StaticAnalyzer/Core/PathSensitive/AnalysisManager.h" 289b663716449b618ba0390b1dbebc54fa8e971124Ted Kremenek#include "clang/StaticAnalyzer/Core/BugReporter/BugReporter.h" 299b663716449b618ba0390b1dbebc54fa8e971124Ted Kremenek#include "clang/StaticAnalyzer/Core/PathSensitive/ExprEngine.h" 309b663716449b618ba0390b1dbebc54fa8e971124Ted Kremenek#include "clang/StaticAnalyzer/Core/PathSensitive/TransferFuncs.h" 319b663716449b618ba0390b1dbebc54fa8e971124Ted Kremenek#include "clang/StaticAnalyzer/Core/PathDiagnosticClients.h" 32a7af5ea88a6c5bdf87497cca6c20831e8c546751Argyrios Kyrtzidis 33a7af5ea88a6c5bdf87497cca6c20831e8c546751Argyrios Kyrtzidis// FIXME: Restructure checker registration. 340b1ba6227c67d5e04b589ed8a08afa2345a40666Argyrios Kyrtzidis#include "../Checkers/BasicObjCFoundationChecks.h" 35a7af5ea88a6c5bdf87497cca6c20831e8c546751Argyrios Kyrtzidis 36efceabd2380f49306bc0229583458e93b062094bDaniel Dunbar#include "clang/Basic/FileManager.h" 37efceabd2380f49306bc0229583458e93b062094bDaniel Dunbar#include "clang/Basic/SourceManager.h" 389b414d3e2d0cb84512b55a3275a98490b090162aDaniel Dunbar#include "clang/Frontend/AnalyzerOptions.h" 39efceabd2380f49306bc0229583458e93b062094bDaniel Dunbar#include "clang/Lex/Preprocessor.h" 40f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek#include "llvm/Support/raw_ostream.h" 4103013fa9a0bf1ef4b907f5fec006c8f4000fdd21Michael J. Spencer#include "llvm/Support/Path.h" 4203013fa9a0bf1ef4b907f5fec006c8f4000fdd21Michael J. Spencer#include "llvm/Support/Program.h" 436cb7c1a43b0c8f739d1f54b7fdae5ede86033496Benjamin Kramer#include "llvm/ADT/OwningPtr.h" 44db09a4dee28a4515438af60f2d2b4a83e4965c31Ted Kremenek 45f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenekusing namespace clang; 469ef6537a894c33003359b1f9b9676e9178e028b7Ted Kremenekusing namespace ento; 47f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek 48c5619d901a68dc27a9e310a6a831f03efebcd950Zhongxing Xustatic ExplodedNode::Auditor* CreateUbiViz(); 49ff944a8c481d6c0f1ad2633e4be9bf8b1dd2a09fZhongxing Xu 50be1fe1eb12a1cb91c8e3a9fcc2db4dfe989def6cTed Kremenek//===----------------------------------------------------------------------===// 51f75560670bcdd59b051149bdece3eac14e313853Ted Kremenek// Special PathDiagnosticClients. 52f75560670bcdd59b051149bdece3eac14e313853Ted Kremenek//===----------------------------------------------------------------------===// 53f75560670bcdd59b051149bdece3eac14e313853Ted Kremenek 54f75560670bcdd59b051149bdece3eac14e313853Ted Kremenekstatic PathDiagnosticClient* 55f928dca56542cf8f981a684f090d2c79bdcb2a10Argyrios KyrtzidiscreatePlistHTMLDiagnosticClient(const std::string& prefix, 56efceabd2380f49306bc0229583458e93b062094bDaniel Dunbar const Preprocessor &PP) { 57d5b08bee799d4f77f1a25fa5977ca77b983ab031Michael J. Spencer PathDiagnosticClient *PD = 58d5b08bee799d4f77f1a25fa5977ca77b983ab031Michael J. Spencer createHTMLDiagnosticClient(llvm::sys::path::parent_path(prefix), PP); 59f928dca56542cf8f981a684f090d2c79bdcb2a10Argyrios Kyrtzidis return createPlistDiagnosticClient(prefix, PP, PD); 60f75560670bcdd59b051149bdece3eac14e313853Ted Kremenek} 61f75560670bcdd59b051149bdece3eac14e313853Ted Kremenek 62f75560670bcdd59b051149bdece3eac14e313853Ted Kremenek//===----------------------------------------------------------------------===// 63f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek// AnalysisConsumer declaration. 64f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek//===----------------------------------------------------------------------===// 65f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek 66f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremeneknamespace { 67f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek 68ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xuclass AnalysisConsumer : public ASTConsumer { 69ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xupublic: 706490ae5003226cae28f980648948bea8b21a8638Douglas Gregor typedef void (*CodeAction)(AnalysisConsumer &C, AnalysisManager &M, Decl *D); 71f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek typedef void (*TUAction)(AnalysisConsumer &C, AnalysisManager &M, 72f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek TranslationUnitDecl &TU); 73f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek 74ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xuprivate: 751d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek typedef std::vector<CodeAction> Actions; 76f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek typedef std::vector<TUAction> TUActions; 77f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek 781d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek Actions FunctionActions; 791d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek Actions ObjCMethodActions; 801d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek Actions ObjCImplementationActions; 81ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu Actions CXXMethodActions; 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 9543dee220252ef0b42c5f8a3bb1eca97f84f2565fArgyrios Kyrtzidis llvm::OwningPtr<CheckerManager> checkerMgr; 961d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek llvm::OwningPtr<AnalysisManager> Mgr; 97c471e7b44e63ff1b46b480e723c4130aeaef5a8aZhongxing Xu 981d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek AnalysisConsumer(const Preprocessor& pp, 991d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek const std::string& outdir, 1001d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek const AnalyzerOptions& opts) 1011d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek : Ctx(0), PP(pp), OutDir(outdir), 102c4a1437c15da43eb8d2601cdce13161ef41a4389Ted Kremenek Opts(opts), PD(0) { 1031d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek DigestAnalyzerOptions(); 1041d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek } 105fda7832b000ff8927386f093b52c067641679469Zhongxing Xu 1061d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek void DigestAnalyzerOptions() { 1071d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek // Create the PathDiagnosticClient. 1081d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek if (!OutDir.empty()) { 1091d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek switch (Opts.AnalysisDiagOpt) { 1101d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek default: 111fda7832b000ff8927386f093b52c067641679469Zhongxing Xu#define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATEFN, AUTOCREATE) \ 1121d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek case PD_##NAME: PD = CREATEFN(OutDir, PP); break; 113fda7832b000ff8927386f093b52c067641679469Zhongxing Xu#include "clang/Frontend/Analyses.def" 114fda7832b000ff8927386f093b52c067641679469Zhongxing Xu } 115a599ae8826b01c0160a519b0fc5a4871f599bf04Argyrios Kyrtzidis } else if (Opts.AnalysisDiagOpt == PD_TEXT) { 116a599ae8826b01c0160a519b0fc5a4871f599bf04Argyrios Kyrtzidis // Create the text client even without a specified output file since 117a599ae8826b01c0160a519b0fc5a4871f599bf04Argyrios Kyrtzidis // it just uses diagnostic notes. 118a599ae8826b01c0160a519b0fc5a4871f599bf04Argyrios Kyrtzidis PD = createTextPathDiagnosticClient("", PP); 1191d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek } 120fda7832b000ff8927386f093b52c067641679469Zhongxing Xu 1211d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek // Create the analyzer component creators. 1225f83d6f36a7308eef21d87104fd70c421e854448Argyrios Kyrtzidis switch (Opts.AnalysisStoreOpt) { 1235f83d6f36a7308eef21d87104fd70c421e854448Argyrios Kyrtzidis default: 1245f83d6f36a7308eef21d87104fd70c421e854448Argyrios Kyrtzidis assert(0 && "Unknown store manager."); 125fda7832b000ff8927386f093b52c067641679469Zhongxing Xu#define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATEFN) \ 1265f83d6f36a7308eef21d87104fd70c421e854448Argyrios Kyrtzidis case NAME##Model: CreateStoreMgr = CREATEFN; break; 127fda7832b000ff8927386f093b52c067641679469Zhongxing Xu#include "clang/Frontend/Analyses.def" 1281d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek } 1291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1305f83d6f36a7308eef21d87104fd70c421e854448Argyrios Kyrtzidis switch (Opts.AnalysisConstraintsOpt) { 1315f83d6f36a7308eef21d87104fd70c421e854448Argyrios Kyrtzidis default: 1325f83d6f36a7308eef21d87104fd70c421e854448Argyrios Kyrtzidis assert(0 && "Unknown store manager."); 133fda7832b000ff8927386f093b52c067641679469Zhongxing Xu#define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATEFN) \ 1345f83d6f36a7308eef21d87104fd70c421e854448Argyrios Kyrtzidis case NAME##Model: CreateConstraintMgr = CREATEFN; break; 135fda7832b000ff8927386f093b52c067641679469Zhongxing Xu#include "clang/Frontend/Analyses.def" 136fda7832b000ff8927386f093b52c067641679469Zhongxing Xu } 1371d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek } 138f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek 1391d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek void DisplayFunction(const Decl *D) { 140c4a1437c15da43eb8d2601cdce13161ef41a4389Ted Kremenek if (!Opts.AnalyzerDisplayProgress) 1411d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek return; 142f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek 143fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek SourceManager &SM = Mgr->getASTContext().getSourceManager(); 144fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek PresumedLoc Loc = SM.getPresumedLoc(D->getLocation()); 145cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor if (Loc.isValid()) { 146cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor llvm::errs() << "ANALYZE: " << Loc.getFilename(); 147fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek 148cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor if (isa<FunctionDecl>(D) || isa<ObjCMethodDecl>(D)) { 149cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor const NamedDecl *ND = cast<NamedDecl>(D); 150cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor llvm::errs() << ' ' << ND << '\n'; 151cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor } 152cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor else if (isa<BlockDecl>(D)) { 153cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor llvm::errs() << ' ' << "block(line:" << Loc.getLine() << ",col:" 154cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor << Loc.getColumn() << '\n'; 155cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor } 156cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor else if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D)) { 157cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor Selector S = MD->getSelector(); 158cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor llvm::errs() << ' ' << S.getAsString(); 159cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor } 16035fa76d0bb6fb8c86159a7506efd094a4fe376d2Ted Kremenek } 1611d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek } 1621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1631d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek void addCodeAction(CodeAction action) { 1641d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek FunctionActions.push_back(action); 1651d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek ObjCMethodActions.push_back(action); 166ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu CXXMethodActions.push_back(action); 1671d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek } 1681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 169ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu void addObjCImplementationAction(CodeAction action) { 170ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu ObjCImplementationActions.push_back(action); 171ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu } 172ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu 1731d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek virtual void Initialize(ASTContext &Context) { 1741d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek Ctx = &Context; 1752e471a3e476396be1ddca4ab8b9df721bcfc9437Argyrios Kyrtzidis checkerMgr.reset(registerCheckers(Opts, PP.getLangOptions(), 1762e471a3e476396be1ddca4ab8b9df721bcfc9437Argyrios Kyrtzidis PP.getDiagnostics())); 1771d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek Mgr.reset(new AnalysisManager(*Ctx, PP.getDiagnostics(), 1781d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek PP.getLangOptions(), PD, 1791d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek CreateStoreMgr, CreateConstraintMgr, 18043dee220252ef0b42c5f8a3bb1eca97f84f2565fArgyrios Kyrtzidis checkerMgr.get(), 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) { 2039fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis BugReporter BR(*Mgr); 20414cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek for (DeclContext::decl_iterator I = dc->decls_begin(), E = dc->decls_end(); 205ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu I != E; ++I) { 206ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu Decl *D = *I; 2079fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis checkerMgr->runCheckersOnASTDecl(D, *Mgr, BR); 2089fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis 209ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu switch (D->getKind()) { 21014cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek case Decl::Namespace: { 21114cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek HandleDeclContext(C, cast<NamespaceDecl>(D)); 21214cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek break; 213ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu } 21414cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek case Decl::CXXConstructor: 21514cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek case Decl::CXXDestructor: 21614cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek case Decl::CXXConversion: 21714cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek case Decl::CXXMethod: 21814cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek case Decl::Function: { 21914cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek FunctionDecl* FD = cast<FunctionDecl>(D); 22014cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek // We skip function template definitions, as their semantics is 22114cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek // only determined when they are instantiated. 22214cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek if (FD->isThisDeclarationADefinition() && 22314cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek !FD->isDependentContext()) { 224ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu if (!Opts.AnalyzeSpecificFunction.empty() && 22514cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek FD->getDeclName().getAsString() != Opts.AnalyzeSpecificFunction) 226ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu break; 22714cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek DisplayFunction(FD); 22814cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek HandleCode(FD, FunctionActions); 229ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu } 23014cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek break; 231ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu } 23214cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek 23314cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek case Decl::ObjCImplementation: { 23414cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek ObjCImplementationDecl* ID = cast<ObjCImplementationDecl>(*I); 23514cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek HandleCode(ID, ObjCImplementationActions); 23614cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek 23714cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek for (ObjCImplementationDecl::method_iterator MI = ID->meth_begin(), 23814cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek ME = ID->meth_end(); MI != ME; ++MI) { 239b742dfde440c8bb0f7e655715e9413fa69f0fefdArgyrios Kyrtzidis checkerMgr->runCheckersOnASTDecl(*MI, *Mgr, BR); 240b742dfde440c8bb0f7e655715e9413fa69f0fefdArgyrios Kyrtzidis 24114cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek if ((*MI)->isThisDeclarationADefinition()) { 24214cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek if (!Opts.AnalyzeSpecificFunction.empty() && 24314cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek Opts.AnalyzeSpecificFunction != (*MI)->getSelector().getAsString()) 24414cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek break; 24514cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek DisplayFunction(*MI); 24614cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek HandleCode(*MI, ObjCMethodActions); 24714cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek } 24814cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek } 24914cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek break; 25014cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek } 25114cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek 25214cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek default: 25314cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek break; 254ed8afacb8118b71bcfa8017059e51da325e7691bZhongxing Xu } 25514cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek } 25614cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek} 257f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek 25814cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenekvoid AnalysisConsumer::HandleTranslationUnit(ASTContext &C) { 2599fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis BugReporter BR(*Mgr); 26014cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek TranslationUnitDecl *TU = C.getTranslationUnitDecl(); 2619fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis checkerMgr->runCheckersOnASTDecl(TU, *Mgr, BR); 26214cc9451de4a9539bf79e4e5d63248c2377426dbTed Kremenek HandleDeclContext(C, TU); 263b317f8f5ca8737a5bbad97a3f7566a2dbd2ed61bZhongxing Xu 264690a7f431d6863a101711e67636d51ddd13f35c5Ted Kremenek // Explicitly destroy the PathDiagnosticClient. This will flush its output. 265690a7f431d6863a101711e67636d51ddd13f35c5Ted Kremenek // FIXME: This should be replaced with something that doesn't rely on 266da17fd50ad485fd2a1fc5c2f055caacf532992daZhongxing Xu // side-effects in PathDiagnosticClient's destructor. This is required when 267da17fd50ad485fd2a1fc5c2f055caacf532992daZhongxing Xu // used with option -disable-free. 268d07a0d0279c09d1017f8450fce575a94dc9703c0Zhongxing Xu Mgr.reset(NULL); 269db09a4dee28a4515438af60f2d2b4a83e4965c31Ted Kremenek} 270db09a4dee28a4515438af60f2d2b4a83e4965c31Ted Kremenek 271fc576514d06c46a7cac49500169411d82f38d04bTed Kremenekstatic void FindBlocks(DeclContext *D, llvm::SmallVectorImpl<Decl*> &WL) { 272fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek if (BlockDecl *BD = dyn_cast<BlockDecl>(D)) 273fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek WL.push_back(BD); 274f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek 275fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek for (DeclContext::decl_iterator I = D->decls_begin(), E = D->decls_end(); 276fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek I!=E; ++I) 277fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek if (DeclContext *DC = dyn_cast<DeclContext>(*I)) 278fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek FindBlocks(DC, WL); 279fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek} 280fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek 281d655ab28fdf7c940d3f79f8f287954d7f76e0977Argyrios Kyrtzidisstatic void ActionObjCMemChecker(AnalysisConsumer &C, AnalysisManager& mgr, 282d655ab28fdf7c940d3f79f8f287954d7f76e0977Argyrios Kyrtzidis Decl *D); 283d655ab28fdf7c940d3f79f8f287954d7f76e0977Argyrios Kyrtzidis 28406a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidisvoid AnalysisConsumer::HandleCode(Decl *D, Actions& actions) { 2851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 286f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek // Don't run the actions if an error has occured with parsing the file. 28799e8192c4c8f1f596f9969e5f2cdafcee64ddaacTed Kremenek Diagnostic &Diags = PP.getDiagnostics(); 28899e8192c4c8f1f596f9969e5f2cdafcee64ddaacTed Kremenek if (Diags.hasErrorOccurred() || Diags.hasFatalErrorOccurred()) 289f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek return; 29081922f01352aceeb923c0c3cc8c96b6527322384Ted Kremenek 291f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek // Don't run the actions on declarations in header files unless 292f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek // otherwise specified. 293fcd783d583d270b7ec1ec3e0fcf83cd93d30e381Ted Kremenek SourceManager &SM = Ctx->getSourceManager(); 294fcd783d583d270b7ec1ec3e0fcf83cd93d30e381Ted Kremenek SourceLocation SL = SM.getInstantiationLoc(D->getLocation()); 295fcd783d583d270b7ec1ec3e0fcf83cd93d30e381Ted Kremenek if (!Opts.AnalyzeAll && !SM.isFromMainFile(SL)) 2961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return; 297f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek 29858f5ec7d56b1ebf5f90ee11226ebe7663f2821eaTed Kremenek // Clear the AnalysisManager of old AnalysisContexts. 29958f5ec7d56b1ebf5f90ee11226ebe7663f2821eaTed Kremenek Mgr->ClearContexts(); 300f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek 3011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Dispatch on the actions. 302fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek llvm::SmallVector<Decl*, 10> WL; 303fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek WL.push_back(D); 304f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek 30506a54a38be5054c910ffc92db60edab23f9ea105Argyrios Kyrtzidis if (D->hasBody() && Opts.AnalyzeNestedBlocks) 306fc576514d06c46a7cac49500169411d82f38d04bTed Kremenek FindBlocks(cast<DeclContext>(D), WL); 307f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek 3089fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis BugReporter BR(*Mgr); 3099fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis for (llvm::SmallVectorImpl<Decl*>::iterator WI=WL.begin(), WE=WL.end(); 3109fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis WI != WE; ++WI) 311d655ab28fdf7c940d3f79f8f287954d7f76e0977Argyrios Kyrtzidis if ((*WI)->hasBody()) { 3129fb9474c5b267400d4abfbff63c8b39f378235d4Argyrios Kyrtzidis checkerMgr->runCheckersOnASTBody(*WI, *Mgr, BR); 313d655ab28fdf7c940d3f79f8f287954d7f76e0977Argyrios Kyrtzidis if (checkerMgr->hasPathSensitiveCheckers()) 314d655ab28fdf7c940d3f79f8f287954d7f76e0977Argyrios Kyrtzidis ActionObjCMemChecker(*this, *Mgr, *WI); 315d655ab28fdf7c940d3f79f8f287954d7f76e0977Argyrios Kyrtzidis } 316f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek} 317f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek 318f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek//===----------------------------------------------------------------------===// 319d655ab28fdf7c940d3f79f8f287954d7f76e0977Argyrios Kyrtzidis// Path-sensitive checking. 320f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek//===----------------------------------------------------------------------===// 321f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek 322d2592a34a059e7cbb2b11dc53649ac4912422909Argyrios Kyrtzidisstatic void ActionExprEngine(AnalysisConsumer &C, AnalysisManager& mgr, 323f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek Decl *D, 324d2592a34a059e7cbb2b11dc53649ac4912422909Argyrios Kyrtzidis TransferFuncs* tf) { 3251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 326d2592a34a059e7cbb2b11dc53649ac4912422909Argyrios Kyrtzidis llvm::OwningPtr<TransferFuncs> TF(tf); 3277032f460fc9828f386056e75933da5af61e88638Ted Kremenek 32875d03cffe20b5c945ef04eba208efb0437339997Ted Kremenek // Construct the analysis engine. We first query for the LiveVariables 32975d03cffe20b5c945ef04eba208efb0437339997Ted Kremenek // information to see if the CFG is valid. 33075d03cffe20b5c945ef04eba208efb0437339997Ted Kremenek // FIXME: Inter-procedural analysis will need to handle invalid CFGs. 33175d03cffe20b5c945ef04eba208efb0437339997Ted Kremenek if (!mgr.getLiveVariables(D)) 332f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek return; 333d2592a34a059e7cbb2b11dc53649ac4912422909Argyrios Kyrtzidis ExprEngine Eng(mgr, TF.take()); 334f6eafcca7734274d277afa121f2c4fb025a54218Ted Kremenek 335f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek // Set the graph auditor. 336c5619d901a68dc27a9e310a6a831f03efebcd950Zhongxing Xu llvm::OwningPtr<ExplodedNode::Auditor> Auditor; 337f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek if (mgr.shouldVisualizeUbigraph()) { 338f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek Auditor.reset(CreateUbiViz()); 339c5619d901a68dc27a9e310a6a831f03efebcd950Zhongxing Xu ExplodedNode::SetAuditor(Auditor.get()); 340f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek } 3411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 342b35a74a40c1d2656a25e560e773ed48bdf49f9c0Ted Kremenek // Execute the worklist algorithm. 343c6238d2786cfd961b94580b3d3675a1b3ff0721cZhongxing Xu Eng.ExecuteWorkList(mgr.getStackFrame(D, 0), mgr.getMaxNodes()); 3441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 345f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek // Release the auditor (if any) so that it doesn't monitor the graph 346f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek // created BugReporter. 347c5619d901a68dc27a9e310a6a831f03efebcd950Zhongxing Xu ExplodedNode::SetAuditor(0); 3483df6421150271266b5a90fd4c6bfa6566c38c036Ted Kremenek 34934d7734b6ed1d9c0f647405e065251eb67f42badTed Kremenek // Visualize the exploded graph. 350f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek if (mgr.shouldVisualizeGraphviz()) 35134d7734b6ed1d9c0f647405e065251eb67f42badTed Kremenek Eng.ViewGraph(mgr.shouldTrimGraph()); 3521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3533df6421150271266b5a90fd4c6bfa6566c38c036Ted Kremenek // Display warnings. 3543df6421150271266b5a90fd4c6bfa6566c38c036Ted Kremenek Eng.getBugReporter().FlushReports(); 355bc46f345838b1c0d420dbd3655c94f5f360fb5b8Ted Kremenek} 356bc46f345838b1c0d420dbd3655c94f5f360fb5b8Ted Kremenek 357565e465c6d0093f1bf8414b2cabdc842022385a9Ted Kremenekstatic void ActionObjCMemCheckerAux(AnalysisConsumer &C, AnalysisManager& mgr, 3581d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek Decl *D, bool GCEnabled) { 3591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 360d2592a34a059e7cbb2b11dc53649ac4912422909Argyrios Kyrtzidis TransferFuncs* TF = MakeCFRefCountTF(mgr.getASTContext(), 361bc46f345838b1c0d420dbd3655c94f5f360fb5b8Ted Kremenek GCEnabled, 362bc46f345838b1c0d420dbd3655c94f5f360fb5b8Ted Kremenek mgr.getLangOptions()); 3631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 364d2592a34a059e7cbb2b11dc53649ac4912422909Argyrios Kyrtzidis ActionExprEngine(C, mgr, D, TF); 365b35a74a40c1d2656a25e560e773ed48bdf49f9c0Ted Kremenek} 366b35a74a40c1d2656a25e560e773ed48bdf49f9c0Ted Kremenek 367565e465c6d0093f1bf8414b2cabdc842022385a9Ted Kremenekstatic void ActionObjCMemChecker(AnalysisConsumer &C, AnalysisManager& mgr, 3681d9cbeb76cf4c36acf5545028e2b2ac207086442Ted Kremenek Decl *D) { 3691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 370b35a74a40c1d2656a25e560e773ed48bdf49f9c0Ted Kremenek switch (mgr.getLangOptions().getGCMode()) { 371b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump default: 372b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump assert (false && "Invalid GC mode."); 373b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump case LangOptions::NonGC: 374565e465c6d0093f1bf8414b2cabdc842022385a9Ted Kremenek ActionObjCMemCheckerAux(C, mgr, D, false); 375b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump break; 376b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump 377b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump case LangOptions::GCOnly: 378565e465c6d0093f1bf8414b2cabdc842022385a9Ted Kremenek ActionObjCMemCheckerAux(C, mgr, D, true); 379b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump break; 380b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump 381b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump case LangOptions::HybridGC: 382565e465c6d0093f1bf8414b2cabdc842022385a9Ted Kremenek ActionObjCMemCheckerAux(C, mgr, D, false); 383565e465c6d0093f1bf8414b2cabdc842022385a9Ted Kremenek ActionObjCMemCheckerAux(C, mgr, D, true); 384b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump break; 385b35a74a40c1d2656a25e560e773ed48bdf49f9c0Ted Kremenek } 386b35a74a40c1d2656a25e560e773ed48bdf49f9c0Ted Kremenek} 387b35a74a40c1d2656a25e560e773ed48bdf49f9c0Ted Kremenek 388f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek//===----------------------------------------------------------------------===// 389f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek// AnalysisConsumer creation. 390f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek//===----------------------------------------------------------------------===// 391f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek 3929ef6537a894c33003359b1f9b9676e9178e028b7Ted KremenekASTConsumer* ento::CreateAnalysisConsumer(const Preprocessor& pp, 393e71b85feb0a2df9273b1b488f5b40279369a6255Eli Friedman const std::string& OutDir, 394e71b85feb0a2df9273b1b488f5b40279369a6255Eli Friedman const AnalyzerOptions& Opts) { 395efceabd2380f49306bc0229583458e93b062094bDaniel Dunbar llvm::OwningPtr<AnalysisConsumer> C(new AnalysisConsumer(pp, OutDir, Opts)); 396be1fe1eb12a1cb91c8e3a9fcc2db4dfe989def6cTed Kremenek 397e71b85feb0a2df9273b1b488f5b40279369a6255Eli Friedman for (unsigned i = 0; i < Opts.AnalysisList.size(); ++i) 398e71b85feb0a2df9273b1b488f5b40279369a6255Eli Friedman switch (Opts.AnalysisList[i]) { 399f7f3c20a5d4c5bd1857a6cea1f001bb775401e96Ted Kremenek#define ANALYSIS(NAME, CMD, DESC, SCOPE)\ 400b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump case NAME:\ 401b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump C->add ## SCOPE ## Action(&Action ## NAME);\ 402b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump break; 4034df2c42581280bb1a02a5d034dbf657514cc56e8Eli Friedman#include "clang/Frontend/Analyses.def" 404b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump default: break; 405f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek } 4061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4072c4036eda90fad6d219d9f3fadbd9288fa197e89Ted Kremenek // Last, disable the effects of '-Werror' when using the AnalysisConsumer. 408efceabd2380f49306bc0229583458e93b062094bDaniel Dunbar pp.getDiagnostics().setWarningsAsErrors(false); 409be1fe1eb12a1cb91c8e3a9fcc2db4dfe989def6cTed Kremenek 410f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek return C.take(); 411f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek} 412f4381fddf152a63e1ac97185293c47ec0ac2f1a6Ted Kremenek 413f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek//===----------------------------------------------------------------------===// 414f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek// Ubigraph Visualization. FIXME: Move to separate file. 415f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek//===----------------------------------------------------------------------===// 416f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek 417f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremeneknamespace { 4181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 419c5619d901a68dc27a9e310a6a831f03efebcd950Zhongxing Xuclass UbigraphViz : public ExplodedNode::Auditor { 420f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek llvm::OwningPtr<llvm::raw_ostream> Out; 421710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek llvm::sys::Path Dir, Filename; 422f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek unsigned Cntr; 423f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek 424f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek typedef llvm::DenseMap<void*,unsigned> VMap; 425f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek VMap M; 4261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 427f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenekpublic: 428710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek UbigraphViz(llvm::raw_ostream* out, llvm::sys::Path& dir, 42956b98719b0dbebb33cb228afa888c47156be2381Ted Kremenek llvm::sys::Path& filename); 4301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 431710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek ~UbigraphViz(); 4321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump virtual void AddEdge(ExplodedNode* Src, ExplodedNode* Dst); 434f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek}; 4351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 436f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek} // end anonymous namespace 437f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek 438c5619d901a68dc27a9e310a6a831f03efebcd950Zhongxing Xustatic ExplodedNode::Auditor* CreateUbiViz() { 439f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek std::string ErrMsg; 4401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 441710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek llvm::sys::Path Dir = llvm::sys::Path::GetTemporaryDirectory(&ErrMsg); 442f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek if (!ErrMsg.empty()) 443f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek return 0; 444f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek 445710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek llvm::sys::Path Filename = Dir; 446f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek Filename.appendComponent("llvm_ubi"); 447f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek Filename.makeUnique(true,&ErrMsg); 448f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek 449f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek if (!ErrMsg.empty()) 450f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek return 0; 451f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek 452d57a7ef9252964bc6c8471451d7bd395b0520cb8Chris Lattner llvm::errs() << "Writing '" << Filename.str() << "'.\n"; 4531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 454f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek llvm::OwningPtr<llvm::raw_fd_ostream> Stream; 455b044c473a155b7e827680635c1699cb2b5b6c0eeDan Gohman Stream.reset(new llvm::raw_fd_ostream(Filename.c_str(), ErrMsg)); 456f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek 457f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek if (!ErrMsg.empty()) 458f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek return 0; 4591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 460710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek return new UbigraphViz(Stream.take(), Dir, Filename); 461f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek} 462f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek 463c5619d901a68dc27a9e310a6a831f03efebcd950Zhongxing Xuvoid UbigraphViz::AddEdge(ExplodedNode* Src, ExplodedNode* Dst) { 4641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46545479c88c8a44c55d27c3bd855273bb318082f37Ted Kremenek assert (Src != Dst && "Self-edges are not allowed."); 4661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 467f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek // Lookup the Src. If it is a new node, it's a root. 468f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek VMap::iterator SrcI= M.find(Src); 469f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek unsigned SrcID; 4701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 471f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek if (SrcI == M.end()) { 472f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek M[Src] = SrcID = Cntr++; 473f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek *Out << "('vertex', " << SrcID << ", ('color','#00ff00'))\n"; 474f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek } 475f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek else 476f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek SrcID = SrcI->second; 4771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 478f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek // Lookup the Dst. 479f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek VMap::iterator DstI= M.find(Dst); 480f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek unsigned DstID; 481f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek 482f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek if (DstI == M.end()) { 483f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek M[Dst] = DstID = Cntr++; 484f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek *Out << "('vertex', " << DstID << ")\n"; 485f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek } 48656b98719b0dbebb33cb228afa888c47156be2381Ted Kremenek else { 48756b98719b0dbebb33cb228afa888c47156be2381Ted Kremenek // We have hit DstID before. Change its style to reflect a cache hit. 488f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek DstID = DstI->second; 48956b98719b0dbebb33cb228afa888c47156be2381Ted Kremenek *Out << "('change_vertex_style', " << DstID << ", 1)\n"; 49056b98719b0dbebb33cb228afa888c47156be2381Ted Kremenek } 491f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek 492f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek // Add the edge. 4931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump *Out << "('edge', " << SrcID << ", " << DstID 494d1289327f7d2126d732e23cc189ecd0aa5d07cbbTed Kremenek << ", ('arrow','true'), ('oriented', 'true'))\n"; 495f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek} 496f8ce6991f41d55b6e8526b7a7919771428e2b181Ted Kremenek 49756b98719b0dbebb33cb228afa888c47156be2381Ted KremenekUbigraphViz::UbigraphViz(llvm::raw_ostream* out, llvm::sys::Path& dir, 49856b98719b0dbebb33cb228afa888c47156be2381Ted Kremenek llvm::sys::Path& filename) 49956b98719b0dbebb33cb228afa888c47156be2381Ted Kremenek : Out(out), Dir(dir), Filename(filename), Cntr(0) { 50056b98719b0dbebb33cb228afa888c47156be2381Ted Kremenek 50156b98719b0dbebb33cb228afa888c47156be2381Ted Kremenek *Out << "('vertex_style_attribute', 0, ('shape', 'icosahedron'))\n"; 50256b98719b0dbebb33cb228afa888c47156be2381Ted Kremenek *Out << "('vertex_style', 1, 0, ('shape', 'sphere'), ('color', '#ffcc66')," 50356b98719b0dbebb33cb228afa888c47156be2381Ted Kremenek " ('size', '1.5'))\n"; 50456b98719b0dbebb33cb228afa888c47156be2381Ted Kremenek} 50556b98719b0dbebb33cb228afa888c47156be2381Ted Kremenek 506710ad9343f32b33b336369b20edad1a21a0b3299Ted KremenekUbigraphViz::~UbigraphViz() { 507710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek Out.reset(0); 5086cb7c1a43b0c8f739d1f54b7fdae5ede86033496Benjamin Kramer llvm::errs() << "Running 'ubiviz' program... "; 509710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek std::string ErrMsg; 510710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek llvm::sys::Path Ubiviz = llvm::sys::Program::FindProgramByName("ubiviz"); 511710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek std::vector<const char*> args; 512710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek args.push_back(Ubiviz.c_str()); 513710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek args.push_back(Filename.c_str()); 514710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek args.push_back(0); 5151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 516710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek if (llvm::sys::Program::ExecuteAndWait(Ubiviz, &args[0],0,0,0,0,&ErrMsg)) { 5176cb7c1a43b0c8f739d1f54b7fdae5ede86033496Benjamin Kramer llvm::errs() << "Error viewing graph: " << ErrMsg << "\n"; 518710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek } 5191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 520710ad9343f32b33b336369b20edad1a21a0b3299Ted Kremenek // Delete the directory. 5211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Dir.eraseFromDisk(true); 522932680ecdeab4c216ce7c0736093d3dcd2f60f6dDaniel Dunbar} 523