AnalysisConsumer.cpp revision 402785357ab053dd53f4fdd858b9630a5e0f8bad
1ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com//===--- AnalysisConsumer.cpp - ASTConsumer for running Analyses ----------===// 2ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com// 3ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com// The LLVM Compiler Infrastructure 4ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com// 5ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com// This file is distributed under the University of Illinois Open Source 6ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com// License. See LICENSE.TXT for details. 7e4fafb146e85cdfcf9d5418597b6818aa0754adatfarina@chromium.org// 8097a3513535ad854c1b049c32c080ec875ab1411reed@android.com//===----------------------------------------------------------------------===// 98f6884aab8aecd7657cf3f9cdbc682f0deca29c5tfarina@chromium.org// 108f6884aab8aecd7657cf3f9cdbc682f0deca29c5tfarina@chromium.org// "Meta" ASTConsumer for running different source analyses. 11097a3513535ad854c1b049c32c080ec875ab1411reed@android.com// 125a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org//===----------------------------------------------------------------------===// 135a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org 145a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org#include "AnalysisConsumer.h" 155a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org#include "clang/AST/ASTConsumer.h" 165a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org#include "clang/AST/Decl.h" 175a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org#include "clang/AST/DeclCXX.h" 18796a1753d96eb0c76e742c8288617d758ddf33dfmike@reedtribe.org#include "clang/AST/DeclObjC.h" 195a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org#include "clang/AST/ParentMap.h" 205a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org#include "clang/Analysis/CFG.h" 215a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org#include "clang/StaticAnalyzer/Frontend/CheckerRegistration.h" 225a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org#include "clang/StaticAnalyzer/Core/CheckerManager.h" 235a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org#include "clang/StaticAnalyzer/Checkers/LocalCheckers.h" 245a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org#include "clang/StaticAnalyzer/Core/BugReporter/PathDiagnostic.h" 255a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org#include "clang/StaticAnalyzer/Core/PathSensitive/AnalysisManager.h" 265a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org#include "clang/StaticAnalyzer/Core/BugReporter/BugReporter.h" 275a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org#include "clang/StaticAnalyzer/Core/PathSensitive/ExprEngine.h" 285a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org#include "clang/StaticAnalyzer/Core/PathSensitive/TransferFuncs.h" 295a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org#include "clang/StaticAnalyzer/Core/PathDiagnosticClients.h" 305a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org 3172b2e6fff3f54c6aa80a98eab4c73f02a8cd450dskia.committer@gmail.com#include "clang/Basic/FileManager.h" 325a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org#include "clang/Basic/SourceManager.h" 335a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org#include "clang/Frontend/AnalyzerOptions.h" 345a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org#include "clang/Lex/Preprocessor.h" 355a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org#include "llvm/Support/raw_ostream.h" 365a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org#include "llvm/Support/Path.h" 375a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org#include "llvm/Support/Program.h" 385a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org#include "llvm/ADT/OwningPtr.h" 3972b2e6fff3f54c6aa80a98eab4c73f02a8cd450dskia.committer@gmail.com 405a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.orgusing namespace clang; 415a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.orgusing namespace ento; 425a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org 435a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.orgstatic ExplodedNode::Auditor* CreateUbiViz(); 4472b2e6fff3f54c6aa80a98eab4c73f02a8cd450dskia.committer@gmail.com 455a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org//===----------------------------------------------------------------------===// 465a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org// Special PathDiagnosticClients. 475a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org//===----------------------------------------------------------------------===// 485a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org 495a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.orgstatic PathDiagnosticClient* 5072b2e6fff3f54c6aa80a98eab4c73f02a8cd450dskia.committer@gmail.comcreatePlistHTMLDiagnosticClient(const std::string& prefix, 515a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org const Preprocessor &PP) { 525a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org PathDiagnosticClient *PD = 535a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org createHTMLDiagnosticClient(llvm::sys::path::parent_path(prefix), PP); 545a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org return createPlistDiagnosticClient(prefix, PP, PD); 555a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org} 5672b2e6fff3f54c6aa80a98eab4c73f02a8cd450dskia.committer@gmail.com 575a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org//===----------------------------------------------------------------------===// 585a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org// AnalysisConsumer declaration. 595a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org//===----------------------------------------------------------------------===// 605a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org 6172b2e6fff3f54c6aa80a98eab4c73f02a8cd450dskia.committer@gmail.comnamespace { 6272b2e6fff3f54c6aa80a98eab4c73f02a8cd450dskia.committer@gmail.com 635a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.orgclass AnalysisConsumer : public ASTConsumer { 6472b2e6fff3f54c6aa80a98eab4c73f02a8cd450dskia.committer@gmail.compublic: 655a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org ASTContext* Ctx; 665a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org const Preprocessor &PP; 675a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org const std::string OutDir; 685a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org AnalyzerOptions Opts; 695a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org 70bb094b947bb53374f5ad3df1b0cc71f41d43d9bfreed@google.com // PD is owned by AnalysisManager. 71bb094b947bb53374f5ad3df1b0cc71f41d43d9bfreed@google.com PathDiagnosticClient *PD; 72bb094b947bb53374f5ad3df1b0cc71f41d43d9bfreed@google.com 73bb094b947bb53374f5ad3df1b0cc71f41d43d9bfreed@google.com StoreManagerCreator CreateStoreMgr; 74bb094b947bb53374f5ad3df1b0cc71f41d43d9bfreed@google.com ConstraintManagerCreator CreateConstraintMgr; 75bb094b947bb53374f5ad3df1b0cc71f41d43d9bfreed@google.com 76bb094b947bb53374f5ad3df1b0cc71f41d43d9bfreed@google.com llvm::OwningPtr<CheckerManager> checkerMgr; 775a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org llvm::OwningPtr<AnalysisManager> Mgr; 785a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org 798a0d8ff854a034ff742341a2eb4bf68ba6ea1b9creed@google.com AnalysisConsumer(const Preprocessor& pp, 808a0d8ff854a034ff742341a2eb4bf68ba6ea1b9creed@google.com const std::string& outdir, 818a0d8ff854a034ff742341a2eb4bf68ba6ea1b9creed@google.com const AnalyzerOptions& opts) 828a0d8ff854a034ff742341a2eb4bf68ba6ea1b9creed@google.com : Ctx(0), PP(pp), OutDir(outdir), 838a0d8ff854a034ff742341a2eb4bf68ba6ea1b9creed@google.com Opts(opts), PD(0) { 848a0d8ff854a034ff742341a2eb4bf68ba6ea1b9creed@google.com DigestAnalyzerOptions(); 858a0d8ff854a034ff742341a2eb4bf68ba6ea1b9creed@google.com } 868a0d8ff854a034ff742341a2eb4bf68ba6ea1b9creed@google.com 878a0d8ff854a034ff742341a2eb4bf68ba6ea1b9creed@google.com void DigestAnalyzerOptions() { 888a0d8ff854a034ff742341a2eb4bf68ba6ea1b9creed@google.com // Create the PathDiagnosticClient. 898a0d8ff854a034ff742341a2eb4bf68ba6ea1b9creed@google.com if (!OutDir.empty()) { 908a0d8ff854a034ff742341a2eb4bf68ba6ea1b9creed@google.com switch (Opts.AnalysisDiagOpt) { 918a0d8ff854a034ff742341a2eb4bf68ba6ea1b9creed@google.com default: 928a0d8ff854a034ff742341a2eb4bf68ba6ea1b9creed@google.com#define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATEFN, AUTOCREATE) \ 938a0d8ff854a034ff742341a2eb4bf68ba6ea1b9creed@google.com case PD_##NAME: PD = CREATEFN(OutDir, PP); break; 948a0d8ff854a034ff742341a2eb4bf68ba6ea1b9creed@google.com#include "clang/Frontend/Analyses.def" 958a0d8ff854a034ff742341a2eb4bf68ba6ea1b9creed@google.com } 9667c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org } else if (Opts.AnalysisDiagOpt == PD_TEXT) { 9767c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org // Create the text client even without a specified output file since 9867c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org // it just uses diagnostic notes. 9967c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org PD = createTextPathDiagnosticClient("", PP); 10067c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org } 101e0e7cfe44bb9d66d76120a79e5275c294bacaa22commit-bot@chromium.org 10267c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org // Create the analyzer component creators. 10367c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org switch (Opts.AnalysisStoreOpt) { 10467c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org default: 10567c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org assert(0 && "Unknown store manager."); 10667c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org#define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATEFN) \ 10767c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org case NAME##Model: CreateStoreMgr = CREATEFN; break; 10867c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org#include "clang/Frontend/Analyses.def" 109e0e7cfe44bb9d66d76120a79e5275c294bacaa22commit-bot@chromium.org } 11067c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org 11167c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org switch (Opts.AnalysisConstraintsOpt) { 11267c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org default: 11367c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org assert(0 && "Unknown store manager."); 11467c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org#define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATEFN) \ 11567c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org case NAME##Model: CreateConstraintMgr = CREATEFN; break; 11667c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org#include "clang/Frontend/Analyses.def" 11767c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org } 11867c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org } 11967c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org 12067c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org void DisplayFunction(const Decl *D) { 12167c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org if (!Opts.AnalyzerDisplayProgress) 1227ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com return; 1237ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com 1247ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com SourceManager &SM = Mgr->getASTContext().getSourceManager(); 1257ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com PresumedLoc Loc = SM.getPresumedLoc(D->getLocation()); 1267ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com if (Loc.isValid()) { 1277ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com llvm::errs() << "ANALYZE: " << Loc.getFilename(); 12867c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org 12967c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org if (isa<FunctionDecl>(D) || isa<ObjCMethodDecl>(D)) { 13067c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org const NamedDecl *ND = cast<NamedDecl>(D); 13167c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org llvm::errs() << ' ' << ND << '\n'; 13267c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org } 1337ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com else if (isa<BlockDecl>(D)) { 1347ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com llvm::errs() << ' ' << "block(line:" << Loc.getLine() << ",col:" 1357ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com << Loc.getColumn() << '\n'; 1367ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com } 1377ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com else if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D)) { 1387ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com Selector S = MD->getSelector(); 1397ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com llvm::errs() << ' ' << S.getAsString(); 1407ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com } 1417ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com } 1427ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com } 1437ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com 14467c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org virtual void Initialize(ASTContext &Context) { 14567c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org Ctx = &Context; 1467ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com checkerMgr.reset(registerCheckers(Opts, PP.getLangOptions(), 14767c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org PP.getDiagnostics())); 14867c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org Mgr.reset(new AnalysisManager(*Ctx, PP.getDiagnostics(), 14967c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org PP.getLangOptions(), PD, 1507ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com CreateStoreMgr, CreateConstraintMgr, 1517ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com checkerMgr.get(), 1527ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com /* Indexer */ 0, 1537ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com Opts.MaxNodes, Opts.MaxLoop, 1547ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com Opts.VisualizeEGDot, Opts.VisualizeEGUbi, 1557ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com Opts.PurgeDead, Opts.EagerlyAssume, 1567ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com Opts.TrimGraph, Opts.InlineCall, 1577ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com Opts.UnoptimizedCFG, Opts.CFGAddImplicitDtors, 1587ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com Opts.CFGAddInitializers, 1597ab71baf65eb7c5ee5b0025953baa5395c0fc5d4reed@google.com Opts.EagerlyTrimEGraph)); 16067c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org } 16167c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org 162684119d126942d7a68e7b0d8de4aad18c28f1744reed@google.com virtual void HandleTranslationUnit(ASTContext &C); 163684119d126942d7a68e7b0d8de4aad18c28f1744reed@google.com void HandleDeclContext(ASTContext &C, DeclContext *dc); 164684119d126942d7a68e7b0d8de4aad18c28f1744reed@google.com 165684119d126942d7a68e7b0d8de4aad18c28f1744reed@google.com void HandleCode(Decl *D); 166684119d126942d7a68e7b0d8de4aad18c28f1744reed@google.com}; 167684119d126942d7a68e7b0d8de4aad18c28f1744reed@google.com} // end anonymous namespace 168684119d126942d7a68e7b0d8de4aad18c28f1744reed@google.com 169684119d126942d7a68e7b0d8de4aad18c28f1744reed@google.com//===----------------------------------------------------------------------===// 170684119d126942d7a68e7b0d8de4aad18c28f1744reed@google.com// AnalysisConsumer implementation. 171684119d126942d7a68e7b0d8de4aad18c28f1744reed@google.com//===----------------------------------------------------------------------===// 172684119d126942d7a68e7b0d8de4aad18c28f1744reed@google.com 17367c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.orgvoid AnalysisConsumer::HandleDeclContext(ASTContext &C, DeclContext *dc) { 17467c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org BugReporter BR(*Mgr); 17567c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org for (DeclContext::decl_iterator I = dc->decls_begin(), E = dc->decls_end(); 17667c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org I != E; ++I) { 17767c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org Decl *D = *I; 178684119d126942d7a68e7b0d8de4aad18c28f1744reed@google.com checkerMgr->runCheckersOnASTDecl(D, *Mgr, BR); 179684119d126942d7a68e7b0d8de4aad18c28f1744reed@google.com 180684119d126942d7a68e7b0d8de4aad18c28f1744reed@google.com switch (D->getKind()) { 18167c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org case Decl::Namespace: { 18267c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org HandleDeclContext(C, cast<NamespaceDecl>(D)); 18367c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org break; 18467c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org } 18567c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org case Decl::CXXConstructor: 186e0e7cfe44bb9d66d76120a79e5275c294bacaa22commit-bot@chromium.org case Decl::CXXDestructor: 18767c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org case Decl::CXXConversion: 18867c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org case Decl::CXXMethod: 18967c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org case Decl::Function: { 19067c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org FunctionDecl* FD = cast<FunctionDecl>(D); 19167c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org // We skip function template definitions, as their semantics is 19267c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org // only determined when they are instantiated. 19367c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org if (FD->isThisDeclarationADefinition() && 19467c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org !FD->isDependentContext()) { 19567c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org if (!Opts.AnalyzeSpecificFunction.empty() && 196e0e7cfe44bb9d66d76120a79e5275c294bacaa22commit-bot@chromium.org FD->getDeclName().getAsString() != Opts.AnalyzeSpecificFunction) 197097a3513535ad854c1b049c32c080ec875ab1411reed@android.com break; 198097a3513535ad854c1b049c32c080ec875ab1411reed@android.com DisplayFunction(FD); 199097a3513535ad854c1b049c32c080ec875ab1411reed@android.com HandleCode(FD); 200097a3513535ad854c1b049c32c080ec875ab1411reed@android.com } 201097a3513535ad854c1b049c32c080ec875ab1411reed@android.com break; 202097a3513535ad854c1b049c32c080ec875ab1411reed@android.com } 203097a3513535ad854c1b049c32c080ec875ab1411reed@android.com 204097a3513535ad854c1b049c32c080ec875ab1411reed@android.com case Decl::ObjCCategoryImpl: 205097a3513535ad854c1b049c32c080ec875ab1411reed@android.com case Decl::ObjCImplementation: { 206097a3513535ad854c1b049c32c080ec875ab1411reed@android.com ObjCImplDecl* ID = cast<ObjCImplDecl>(*I); 207097a3513535ad854c1b049c32c080ec875ab1411reed@android.com HandleCode(ID); 208097a3513535ad854c1b049c32c080ec875ab1411reed@android.com 209097a3513535ad854c1b049c32c080ec875ab1411reed@android.com for (ObjCContainerDecl::method_iterator MI = ID->meth_begin(), 210097a3513535ad854c1b049c32c080ec875ab1411reed@android.com ME = ID->meth_end(); MI != ME; ++MI) { 211097a3513535ad854c1b049c32c080ec875ab1411reed@android.com checkerMgr->runCheckersOnASTDecl(*MI, *Mgr, BR); 212097a3513535ad854c1b049c32c080ec875ab1411reed@android.com 213097a3513535ad854c1b049c32c080ec875ab1411reed@android.com if ((*MI)->isThisDeclarationADefinition()) { 214097a3513535ad854c1b049c32c080ec875ab1411reed@android.com if (!Opts.AnalyzeSpecificFunction.empty() && 215097a3513535ad854c1b049c32c080ec875ab1411reed@android.com Opts.AnalyzeSpecificFunction != 216097a3513535ad854c1b049c32c080ec875ab1411reed@android.com (*MI)->getSelector().getAsString()) 217097a3513535ad854c1b049c32c080ec875ab1411reed@android.com break; 218097a3513535ad854c1b049c32c080ec875ab1411reed@android.com DisplayFunction(*MI); 219097a3513535ad854c1b049c32c080ec875ab1411reed@android.com HandleCode(*MI); 220097a3513535ad854c1b049c32c080ec875ab1411reed@android.com } 221097a3513535ad854c1b049c32c080ec875ab1411reed@android.com } 222097a3513535ad854c1b049c32c080ec875ab1411reed@android.com break; 223097a3513535ad854c1b049c32c080ec875ab1411reed@android.com } 224097a3513535ad854c1b049c32c080ec875ab1411reed@android.com 225e4fafb146e85cdfcf9d5418597b6818aa0754adatfarina@chromium.org default: 226097a3513535ad854c1b049c32c080ec875ab1411reed@android.com break; 227097a3513535ad854c1b049c32c080ec875ab1411reed@android.com } 228097a3513535ad854c1b049c32c080ec875ab1411reed@android.com } 229097a3513535ad854c1b049c32c080ec875ab1411reed@android.com} 230097a3513535ad854c1b049c32c080ec875ab1411reed@android.com 231d6176b0dcacb124539e0cfd051e6d93a9782f020rmistry@google.comvoid AnalysisConsumer::HandleTranslationUnit(ASTContext &C) { 232097a3513535ad854c1b049c32c080ec875ab1411reed@android.com BugReporter BR(*Mgr); 233097a3513535ad854c1b049c32c080ec875ab1411reed@android.com TranslationUnitDecl *TU = C.getTranslationUnitDecl(); 234097a3513535ad854c1b049c32c080ec875ab1411reed@android.com checkerMgr->runCheckersOnASTDecl(TU, *Mgr, BR); 235097a3513535ad854c1b049c32c080ec875ab1411reed@android.com HandleDeclContext(C, TU); 236097a3513535ad854c1b049c32c080ec875ab1411reed@android.com 237097a3513535ad854c1b049c32c080ec875ab1411reed@android.com // After all decls handled, run checkers on the entire TranslationUnit. 238097a3513535ad854c1b049c32c080ec875ab1411reed@android.com checkerMgr->runCheckersOnEndOfTranslationUnit(TU, *Mgr, BR); 239097a3513535ad854c1b049c32c080ec875ab1411reed@android.com 240e0e7cfe44bb9d66d76120a79e5275c294bacaa22commit-bot@chromium.org // Explicitly destroy the PathDiagnosticClient. This will flush its output. 241097a3513535ad854c1b049c32c080ec875ab1411reed@android.com // FIXME: This should be replaced with something that doesn't rely on 242097a3513535ad854c1b049c32c080ec875ab1411reed@android.com // side-effects in PathDiagnosticClient's destructor. This is required when 243097a3513535ad854c1b049c32c080ec875ab1411reed@android.com // used with option -disable-free. 244097a3513535ad854c1b049c32c080ec875ab1411reed@android.com Mgr.reset(NULL); 245097a3513535ad854c1b049c32c080ec875ab1411reed@android.com} 246097a3513535ad854c1b049c32c080ec875ab1411reed@android.com 247097a3513535ad854c1b049c32c080ec875ab1411reed@android.comstatic void FindBlocks(DeclContext *D, SmallVectorImpl<Decl*> &WL) { 248097a3513535ad854c1b049c32c080ec875ab1411reed@android.com if (BlockDecl *BD = dyn_cast<BlockDecl>(D)) 249097a3513535ad854c1b049c32c080ec875ab1411reed@android.com WL.push_back(BD); 250097a3513535ad854c1b049c32c080ec875ab1411reed@android.com 251d6176b0dcacb124539e0cfd051e6d93a9782f020rmistry@google.com for (DeclContext::decl_iterator I = D->decls_begin(), E = D->decls_end(); 25267c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org I!=E; ++I) 25367c3184a67c66e2e6f3d24ba6bccf1f3b32a5b7bmike@reedtribe.org if (DeclContext *DC = dyn_cast<DeclContext>(*I)) 2548a0d8ff854a034ff742341a2eb4bf68ba6ea1b9creed@google.com FindBlocks(DC, WL); 2555a7ae4f5e5de3be99210dd9df89794f52c7c6d6emike@reedtribe.org} 256097a3513535ad854c1b049c32c080ec875ab1411reed@android.com 257static void ActionObjCMemChecker(AnalysisConsumer &C, AnalysisManager& mgr, 258 Decl *D); 259 260void AnalysisConsumer::HandleCode(Decl *D) { 261 262 // Don't run the actions if an error has occurred with parsing the file. 263 Diagnostic &Diags = PP.getDiagnostics(); 264 if (Diags.hasErrorOccurred() || Diags.hasFatalErrorOccurred()) 265 return; 266 267 // Don't run the actions on declarations in header files unless 268 // otherwise specified. 269 SourceManager &SM = Ctx->getSourceManager(); 270 SourceLocation SL = SM.getExpansionLoc(D->getLocation()); 271 if (!Opts.AnalyzeAll && !SM.isFromMainFile(SL)) 272 return; 273 274 // Clear the AnalysisManager of old AnalysisContexts. 275 Mgr->ClearContexts(); 276 277 // Dispatch on the actions. 278 SmallVector<Decl*, 10> WL; 279 WL.push_back(D); 280 281 if (D->hasBody() && Opts.AnalyzeNestedBlocks) 282 FindBlocks(cast<DeclContext>(D), WL); 283 284 BugReporter BR(*Mgr); 285 for (SmallVectorImpl<Decl*>::iterator WI=WL.begin(), WE=WL.end(); 286 WI != WE; ++WI) 287 if ((*WI)->hasBody()) { 288 checkerMgr->runCheckersOnASTBody(*WI, *Mgr, BR); 289 if (checkerMgr->hasPathSensitiveCheckers()) 290 ActionObjCMemChecker(*this, *Mgr, *WI); 291 } 292} 293 294//===----------------------------------------------------------------------===// 295// Path-sensitive checking. 296//===----------------------------------------------------------------------===// 297 298static void ActionExprEngine(AnalysisConsumer &C, AnalysisManager& mgr, 299 Decl *D, 300 TransferFuncs* tf) { 301 302 llvm::OwningPtr<TransferFuncs> TF(tf); 303 304 // Construct the analysis engine. We first query for the LiveVariables 305 // information to see if the CFG is valid. 306 // FIXME: Inter-procedural analysis will need to handle invalid CFGs. 307 if (!mgr.getLiveVariables(D)) 308 return; 309 ExprEngine Eng(mgr, TF.take()); 310 311 // Set the graph auditor. 312 llvm::OwningPtr<ExplodedNode::Auditor> Auditor; 313 if (mgr.shouldVisualizeUbigraph()) { 314 Auditor.reset(CreateUbiViz()); 315 ExplodedNode::SetAuditor(Auditor.get()); 316 } 317 318 // Execute the worklist algorithm. 319 Eng.ExecuteWorkList(mgr.getStackFrame(D, 0), mgr.getMaxNodes()); 320 321 // Release the auditor (if any) so that it doesn't monitor the graph 322 // created BugReporter. 323 ExplodedNode::SetAuditor(0); 324 325 // Visualize the exploded graph. 326 if (mgr.shouldVisualizeGraphviz()) 327 Eng.ViewGraph(mgr.shouldTrimGraph()); 328 329 // Display warnings. 330 Eng.getBugReporter().FlushReports(); 331} 332 333static void ActionObjCMemCheckerAux(AnalysisConsumer &C, AnalysisManager& mgr, 334 Decl *D, bool GCEnabled) { 335 336 TransferFuncs* TF = MakeCFRefCountTF(mgr.getASTContext(), 337 GCEnabled, 338 mgr.getLangOptions()); 339 340 ActionExprEngine(C, mgr, D, TF); 341} 342 343static void ActionObjCMemChecker(AnalysisConsumer &C, AnalysisManager& mgr, 344 Decl *D) { 345 346 switch (mgr.getLangOptions().getGCMode()) { 347 default: 348 assert (false && "Invalid GC mode."); 349 case LangOptions::NonGC: 350 ActionObjCMemCheckerAux(C, mgr, D, false); 351 break; 352 353 case LangOptions::GCOnly: 354 ActionObjCMemCheckerAux(C, mgr, D, true); 355 break; 356 357 case LangOptions::HybridGC: 358 ActionObjCMemCheckerAux(C, mgr, D, false); 359 ActionObjCMemCheckerAux(C, mgr, D, true); 360 break; 361 } 362} 363 364//===----------------------------------------------------------------------===// 365// AnalysisConsumer creation. 366//===----------------------------------------------------------------------===// 367 368ASTConsumer* ento::CreateAnalysisConsumer(const Preprocessor& pp, 369 const std::string& OutDir, 370 const AnalyzerOptions& Opts) { 371 llvm::OwningPtr<AnalysisConsumer> C(new AnalysisConsumer(pp, OutDir, Opts)); 372 373 // Last, disable the effects of '-Werror' when using the AnalysisConsumer. 374 pp.getDiagnostics().setWarningsAsErrors(false); 375 376 return C.take(); 377} 378 379//===----------------------------------------------------------------------===// 380// Ubigraph Visualization. FIXME: Move to separate file. 381//===----------------------------------------------------------------------===// 382 383namespace { 384 385class UbigraphViz : public ExplodedNode::Auditor { 386 llvm::OwningPtr<raw_ostream> Out; 387 llvm::sys::Path Dir, Filename; 388 unsigned Cntr; 389 390 typedef llvm::DenseMap<void*,unsigned> VMap; 391 VMap M; 392 393public: 394 UbigraphViz(raw_ostream* out, llvm::sys::Path& dir, 395 llvm::sys::Path& filename); 396 397 ~UbigraphViz(); 398 399 virtual void AddEdge(ExplodedNode* Src, ExplodedNode* Dst); 400}; 401 402} // end anonymous namespace 403 404static ExplodedNode::Auditor* CreateUbiViz() { 405 std::string ErrMsg; 406 407 llvm::sys::Path Dir = llvm::sys::Path::GetTemporaryDirectory(&ErrMsg); 408 if (!ErrMsg.empty()) 409 return 0; 410 411 llvm::sys::Path Filename = Dir; 412 Filename.appendComponent("llvm_ubi"); 413 Filename.makeUnique(true,&ErrMsg); 414 415 if (!ErrMsg.empty()) 416 return 0; 417 418 llvm::errs() << "Writing '" << Filename.str() << "'.\n"; 419 420 llvm::OwningPtr<llvm::raw_fd_ostream> Stream; 421 Stream.reset(new llvm::raw_fd_ostream(Filename.c_str(), ErrMsg)); 422 423 if (!ErrMsg.empty()) 424 return 0; 425 426 return new UbigraphViz(Stream.take(), Dir, Filename); 427} 428 429void UbigraphViz::AddEdge(ExplodedNode* Src, ExplodedNode* Dst) { 430 431 assert (Src != Dst && "Self-edges are not allowed."); 432 433 // Lookup the Src. If it is a new node, it's a root. 434 VMap::iterator SrcI= M.find(Src); 435 unsigned SrcID; 436 437 if (SrcI == M.end()) { 438 M[Src] = SrcID = Cntr++; 439 *Out << "('vertex', " << SrcID << ", ('color','#00ff00'))\n"; 440 } 441 else 442 SrcID = SrcI->second; 443 444 // Lookup the Dst. 445 VMap::iterator DstI= M.find(Dst); 446 unsigned DstID; 447 448 if (DstI == M.end()) { 449 M[Dst] = DstID = Cntr++; 450 *Out << "('vertex', " << DstID << ")\n"; 451 } 452 else { 453 // We have hit DstID before. Change its style to reflect a cache hit. 454 DstID = DstI->second; 455 *Out << "('change_vertex_style', " << DstID << ", 1)\n"; 456 } 457 458 // Add the edge. 459 *Out << "('edge', " << SrcID << ", " << DstID 460 << ", ('arrow','true'), ('oriented', 'true'))\n"; 461} 462 463UbigraphViz::UbigraphViz(raw_ostream* out, llvm::sys::Path& dir, 464 llvm::sys::Path& filename) 465 : Out(out), Dir(dir), Filename(filename), Cntr(0) { 466 467 *Out << "('vertex_style_attribute', 0, ('shape', 'icosahedron'))\n"; 468 *Out << "('vertex_style', 1, 0, ('shape', 'sphere'), ('color', '#ffcc66')," 469 " ('size', '1.5'))\n"; 470} 471 472UbigraphViz::~UbigraphViz() { 473 Out.reset(0); 474 llvm::errs() << "Running 'ubiviz' program... "; 475 std::string ErrMsg; 476 llvm::sys::Path Ubiviz = llvm::sys::Program::FindProgramByName("ubiviz"); 477 std::vector<const char*> args; 478 args.push_back(Ubiviz.c_str()); 479 args.push_back(Filename.c_str()); 480 args.push_back(0); 481 482 if (llvm::sys::Program::ExecuteAndWait(Ubiviz, &args[0],0,0,0,0,&ErrMsg)) { 483 llvm::errs() << "Error viewing graph: " << ErrMsg << "\n"; 484 } 485 486 // Delete the directory. 487 Dir.eraseFromDisk(true); 488} 489