AnalysisDeclContext.cpp revision 9b20a90dff2ed605153c68a5c58b6aadcdb0952b
11d26f48dc2eea1c07431ca1519d7034a21b9bcffTed Kremenek//== AnalysisDeclContext.cpp - Analysis context for Path Sens analysis -*- C++ -*-// 297ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu// 397ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu// The LLVM Compiler Infrastructure 497ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu// 597ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu// This file is distributed under the University of Illinois Open Source 697ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu// License. See LICENSE.TXT for details. 797ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu// 897ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu//===----------------------------------------------------------------------===// 997ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu// 101d26f48dc2eea1c07431ca1519d7034a21b9bcffTed Kremenek// This file defines AnalysisDeclContext, a class that manages the analysis context 1197ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu// data for path sensitive analysis. 1297ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu// 1397ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu//===----------------------------------------------------------------------===// 1497ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu 1597ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu#include "clang/AST/Decl.h" 1697ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu#include "clang/AST/DeclObjC.h" 17fa6ef180c0d3609124217387618fbb51bbdd2e48Mike Stump#include "clang/AST/DeclTemplate.h" 1897ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu#include "clang/AST/ParentMap.h" 19b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek#include "clang/AST/StmtVisitor.h" 202cfe28b6a061e72c6c8726d7ecb879093a1ab7a3Ted Kremenek#include "clang/Analysis/Analyses/LiveVariables.h" 21db34ab70961ca4b24b600eb47053d7af304659f5Tom Care#include "clang/Analysis/Analyses/PseudoConstantAnalysis.h" 2242461eecee98fff3671b3c14ce10f1a9e18cc95cTed Kremenek#include "clang/Analysis/Analyses/CFGReachabilityAnalysis.h" 232cfe28b6a061e72c6c8726d7ecb879093a1ab7a3Ted Kremenek#include "clang/Analysis/AnalysisContext.h" 242cfe28b6a061e72c6c8726d7ecb879093a1ab7a3Ted Kremenek#include "clang/Analysis/CFG.h" 25283a358aecb75e30fcd486f2206f6c03c5e7f11dTed Kremenek#include "clang/Analysis/CFGStmtMap.h" 26b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek#include "clang/Analysis/Support/BumpVector.h" 27b2c60b04a597cc5ba4154837cf8e0a155a376fd7Argyrios Kyrtzidis#include "llvm/Support/SaveAndRestore.h" 289b20a90dff2ed605153c68a5c58b6aadcdb0952bBenjamin Kramer#include "llvm/ADT/SmallPtrSet.h" 2987a05f1fe8ae14044f182b015b279e0a6f4cbdd1Mike Stump#include "llvm/Support/ErrorHandling.h" 3097ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu 3197ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xuusing namespace clang; 3297ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu 33a5937bbfd19e61d651a58b0f0ffeef68457902a5Ted Kremenektypedef llvm::DenseMap<const void *, ManagedAnalysis *> ManagedAnalysisMap; 34a5937bbfd19e61d651a58b0f0ffeef68457902a5Ted Kremenek 351d26f48dc2eea1c07431ca1519d7034a21b9bcffTed KremenekAnalysisDeclContext::AnalysisDeclContext(AnalysisDeclContextManager *Mgr, 36b1b5daf30d2597e066936772bd206500232d7d65Ted Kremenek const Decl *d, 37b8ad5ee345fa1fdd1fa9253f2d01f69becc88a04Ted Kremenek idx::TranslationUnit *tu, 38bc5cb8a5fe2b88f917d47ceb58b53696a121e57eTed Kremenek const CFG::BuildOptions &buildOptions) 39b1b5daf30d2597e066936772bd206500232d7d65Ted Kremenek : Manager(Mgr), 40b1b5daf30d2597e066936772bd206500232d7d65Ted Kremenek D(d), 41b1b5daf30d2597e066936772bd206500232d7d65Ted Kremenek TU(tu), 42bc5cb8a5fe2b88f917d47ceb58b53696a121e57eTed Kremenek cfgBuildOptions(buildOptions), 43b8ad5ee345fa1fdd1fa9253f2d01f69becc88a04Ted Kremenek forcedBlkExprs(0), 44bc5cb8a5fe2b88f917d47ceb58b53696a121e57eTed Kremenek builtCFG(false), 45bc5cb8a5fe2b88f917d47ceb58b53696a121e57eTed Kremenek builtCompleteCFG(false), 46a5937bbfd19e61d651a58b0f0ffeef68457902a5Ted Kremenek ReferencedBlockVars(0), 47a5937bbfd19e61d651a58b0f0ffeef68457902a5Ted Kremenek ManagedAnalyses(0) 48bc5cb8a5fe2b88f917d47ceb58b53696a121e57eTed Kremenek{ 49b8ad5ee345fa1fdd1fa9253f2d01f69becc88a04Ted Kremenek cfgBuildOptions.forcedBlkExprs = &forcedBlkExprs; 50bc5cb8a5fe2b88f917d47ceb58b53696a121e57eTed Kremenek} 51bc5cb8a5fe2b88f917d47ceb58b53696a121e57eTed Kremenek 521d26f48dc2eea1c07431ca1519d7034a21b9bcffTed KremenekAnalysisDeclContext::AnalysisDeclContext(AnalysisDeclContextManager *Mgr, 53b1b5daf30d2597e066936772bd206500232d7d65Ted Kremenek const Decl *d, 54bc5cb8a5fe2b88f917d47ceb58b53696a121e57eTed Kremenek idx::TranslationUnit *tu) 55b1b5daf30d2597e066936772bd206500232d7d65Ted Kremenek: Manager(Mgr), 56b1b5daf30d2597e066936772bd206500232d7d65Ted Kremenek D(d), 57b1b5daf30d2597e066936772bd206500232d7d65Ted Kremenek TU(tu), 58bc5cb8a5fe2b88f917d47ceb58b53696a121e57eTed Kremenek forcedBlkExprs(0), 59bc5cb8a5fe2b88f917d47ceb58b53696a121e57eTed Kremenek builtCFG(false), 60bc5cb8a5fe2b88f917d47ceb58b53696a121e57eTed Kremenek builtCompleteCFG(false), 61a5937bbfd19e61d651a58b0f0ffeef68457902a5Ted Kremenek ReferencedBlockVars(0), 62a5937bbfd19e61d651a58b0f0ffeef68457902a5Ted Kremenek ManagedAnalyses(0) 63bc5cb8a5fe2b88f917d47ceb58b53696a121e57eTed Kremenek{ 64bc5cb8a5fe2b88f917d47ceb58b53696a121e57eTed Kremenek cfgBuildOptions.forcedBlkExprs = &forcedBlkExprs; 65bc5cb8a5fe2b88f917d47ceb58b53696a121e57eTed Kremenek} 66bc5cb8a5fe2b88f917d47ceb58b53696a121e57eTed Kremenek 671d26f48dc2eea1c07431ca1519d7034a21b9bcffTed KremenekAnalysisDeclContextManager::AnalysisDeclContextManager(bool useUnoptimizedCFG, 68bc5cb8a5fe2b88f917d47ceb58b53696a121e57eTed Kremenek bool addImplicitDtors, 69bc5cb8a5fe2b88f917d47ceb58b53696a121e57eTed Kremenek bool addInitializers) { 70bc5cb8a5fe2b88f917d47ceb58b53696a121e57eTed Kremenek cfgBuildOptions.PruneTriviallyFalseEdges = !useUnoptimizedCFG; 71b8ad5ee345fa1fdd1fa9253f2d01f69becc88a04Ted Kremenek cfgBuildOptions.AddImplicitDtors = addImplicitDtors; 72b8ad5ee345fa1fdd1fa9253f2d01f69becc88a04Ted Kremenek cfgBuildOptions.AddInitializers = addInitializers; 73b8ad5ee345fa1fdd1fa9253f2d01f69becc88a04Ted Kremenek} 74b8ad5ee345fa1fdd1fa9253f2d01f69becc88a04Ted Kremenek 751d26f48dc2eea1c07431ca1519d7034a21b9bcffTed Kremenekvoid AnalysisDeclContextManager::clear() { 7658f5ec7d56b1ebf5f90ee11226ebe7663f2821eaTed Kremenek for (ContextMap::iterator I = Contexts.begin(), E = Contexts.end(); I!=E; ++I) 7758f5ec7d56b1ebf5f90ee11226ebe7663f2821eaTed Kremenek delete I->second; 7858f5ec7d56b1ebf5f90ee11226ebe7663f2821eaTed Kremenek Contexts.clear(); 7958f5ec7d56b1ebf5f90ee11226ebe7663f2821eaTed Kremenek} 8058f5ec7d56b1ebf5f90ee11226ebe7663f2821eaTed Kremenek 811d26f48dc2eea1c07431ca1519d7034a21b9bcffTed KremenekStmt *AnalysisDeclContext::getBody() const { 822376002038c8b904acd20be754aedd1a7471be71Ted Kremenek if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) 8397ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu return FD->getBody(); 842376002038c8b904acd20be754aedd1a7471be71Ted Kremenek else if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D)) 8597ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu return MD->getBody(); 8630a45344c827a8346f6ecfda56b7811d1e031767Ted Kremenek else if (const BlockDecl *BD = dyn_cast<BlockDecl>(D)) 8730a45344c827a8346f6ecfda56b7811d1e031767Ted Kremenek return BD->getBody(); 88fa6ef180c0d3609124217387618fbb51bbdd2e48Mike Stump else if (const FunctionTemplateDecl *FunTmpl 89fa6ef180c0d3609124217387618fbb51bbdd2e48Mike Stump = dyn_cast_or_null<FunctionTemplateDecl>(D)) 90fa6ef180c0d3609124217387618fbb51bbdd2e48Mike Stump return FunTmpl->getTemplatedDecl()->getBody(); 9197ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu 929f61aa9e280adea9fbf3365f0e4f6ed568c9885aJeffrey Yasskin llvm_unreachable("unknown code decl"); 9397ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu} 9497ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu 951d26f48dc2eea1c07431ca1519d7034a21b9bcffTed Kremenekconst ImplicitParamDecl *AnalysisDeclContext::getSelfDecl() const { 9682cd37cf1cccde162d1f13eda6cdfe1398216f36Ted Kremenek if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D)) 9782cd37cf1cccde162d1f13eda6cdfe1398216f36Ted Kremenek return MD->getSelfDecl(); 98ccf1bfde160c03c677ba530c9dcb77365a9c2d7bTed Kremenek if (const BlockDecl *BD = dyn_cast<BlockDecl>(D)) { 99ccf1bfde160c03c677ba530c9dcb77365a9c2d7bTed Kremenek // See if 'self' was captured by the block. 100ccf1bfde160c03c677ba530c9dcb77365a9c2d7bTed Kremenek for (BlockDecl::capture_const_iterator it = BD->capture_begin(), 101ccf1bfde160c03c677ba530c9dcb77365a9c2d7bTed Kremenek et = BD->capture_end(); it != et; ++it) { 102ccf1bfde160c03c677ba530c9dcb77365a9c2d7bTed Kremenek const VarDecl *VD = it->getVariable(); 103ccf1bfde160c03c677ba530c9dcb77365a9c2d7bTed Kremenek if (VD->getName() == "self") 104ccf1bfde160c03c677ba530c9dcb77365a9c2d7bTed Kremenek return dyn_cast<ImplicitParamDecl>(VD); 105ccf1bfde160c03c677ba530c9dcb77365a9c2d7bTed Kremenek } 106ccf1bfde160c03c677ba530c9dcb77365a9c2d7bTed Kremenek } 1071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10882cd37cf1cccde162d1f13eda6cdfe1398216f36Ted Kremenek return NULL; 10982cd37cf1cccde162d1f13eda6cdfe1398216f36Ted Kremenek} 11082cd37cf1cccde162d1f13eda6cdfe1398216f36Ted Kremenek 1111d26f48dc2eea1c07431ca1519d7034a21b9bcffTed Kremenekvoid AnalysisDeclContext::registerForcedBlockExpression(const Stmt *stmt) { 1120d28d360b5559abda755e50b855ba5e59727d9cdTed Kremenek if (!forcedBlkExprs) 1130d28d360b5559abda755e50b855ba5e59727d9cdTed Kremenek forcedBlkExprs = new CFG::BuildOptions::ForcedBlkExprs(); 1140d28d360b5559abda755e50b855ba5e59727d9cdTed Kremenek // Default construct an entry for 'stmt'. 115ac73ea8c12772fd0dcec71b83c193a2837de7f8bJordy Rose if (const Expr *e = dyn_cast<Expr>(stmt)) 116ac73ea8c12772fd0dcec71b83c193a2837de7f8bJordy Rose stmt = e->IgnoreParens(); 1170d28d360b5559abda755e50b855ba5e59727d9cdTed Kremenek (void) (*forcedBlkExprs)[stmt]; 1180d28d360b5559abda755e50b855ba5e59727d9cdTed Kremenek} 1190d28d360b5559abda755e50b855ba5e59727d9cdTed Kremenek 1200d28d360b5559abda755e50b855ba5e59727d9cdTed Kremenekconst CFGBlock * 1211d26f48dc2eea1c07431ca1519d7034a21b9bcffTed KremenekAnalysisDeclContext::getBlockForRegisteredExpression(const Stmt *stmt) { 1220d28d360b5559abda755e50b855ba5e59727d9cdTed Kremenek assert(forcedBlkExprs); 123ac73ea8c12772fd0dcec71b83c193a2837de7f8bJordy Rose if (const Expr *e = dyn_cast<Expr>(stmt)) 124ac73ea8c12772fd0dcec71b83c193a2837de7f8bJordy Rose stmt = e->IgnoreParens(); 1250d28d360b5559abda755e50b855ba5e59727d9cdTed Kremenek CFG::BuildOptions::ForcedBlkExprs::const_iterator itr = 1260d28d360b5559abda755e50b855ba5e59727d9cdTed Kremenek forcedBlkExprs->find(stmt); 1270d28d360b5559abda755e50b855ba5e59727d9cdTed Kremenek assert(itr != forcedBlkExprs->end()); 1280d28d360b5559abda755e50b855ba5e59727d9cdTed Kremenek return itr->second; 1290d28d360b5559abda755e50b855ba5e59727d9cdTed Kremenek} 1300d28d360b5559abda755e50b855ba5e59727d9cdTed Kremenek 1311d26f48dc2eea1c07431ca1519d7034a21b9bcffTed KremenekCFG *AnalysisDeclContext::getCFG() { 132bc5cb8a5fe2b88f917d47ceb58b53696a121e57eTed Kremenek if (!cfgBuildOptions.PruneTriviallyFalseEdges) 1339b823e8e1ccb8a2cb49923bad22a80ca96f41f92Ted Kremenek return getUnoptimizedCFG(); 1349b823e8e1ccb8a2cb49923bad22a80ca96f41f92Ted Kremenek 135d064fdc4b7b64ca55b40b70490c79d6f569df78eTed Kremenek if (!builtCFG) { 136b8ad5ee345fa1fdd1fa9253f2d01f69becc88a04Ted Kremenek cfg.reset(CFG::buildCFG(D, getBody(), 137b8ad5ee345fa1fdd1fa9253f2d01f69becc88a04Ted Kremenek &D->getASTContext(), cfgBuildOptions)); 138d064fdc4b7b64ca55b40b70490c79d6f569df78eTed Kremenek // Even when the cfg is not successfully built, we don't 139d064fdc4b7b64ca55b40b70490c79d6f569df78eTed Kremenek // want to try building it again. 140d064fdc4b7b64ca55b40b70490c79d6f569df78eTed Kremenek builtCFG = true; 141d064fdc4b7b64ca55b40b70490c79d6f569df78eTed Kremenek } 142b8ad5ee345fa1fdd1fa9253f2d01f69becc88a04Ted Kremenek return cfg.get(); 14397ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu} 14497ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu 1451d26f48dc2eea1c07431ca1519d7034a21b9bcffTed KremenekCFG *AnalysisDeclContext::getUnoptimizedCFG() { 146ad5a894df1841698c824381b414630799adc26caTed Kremenek if (!builtCompleteCFG) { 147bc5cb8a5fe2b88f917d47ceb58b53696a121e57eTed Kremenek SaveAndRestore<bool> NotPrune(cfgBuildOptions.PruneTriviallyFalseEdges, 148bc5cb8a5fe2b88f917d47ceb58b53696a121e57eTed Kremenek false); 149bc5cb8a5fe2b88f917d47ceb58b53696a121e57eTed Kremenek completeCFG.reset(CFG::buildCFG(D, getBody(), &D->getASTContext(), 150bc5cb8a5fe2b88f917d47ceb58b53696a121e57eTed Kremenek cfgBuildOptions)); 151ad5a894df1841698c824381b414630799adc26caTed Kremenek // Even when the cfg is not successfully built, we don't 152ad5a894df1841698c824381b414630799adc26caTed Kremenek // want to try building it again. 153ad5a894df1841698c824381b414630799adc26caTed Kremenek builtCompleteCFG = true; 154ad5a894df1841698c824381b414630799adc26caTed Kremenek } 155b8ad5ee345fa1fdd1fa9253f2d01f69becc88a04Ted Kremenek return completeCFG.get(); 156ad5a894df1841698c824381b414630799adc26caTed Kremenek} 157ad5a894df1841698c824381b414630799adc26caTed Kremenek 1581d26f48dc2eea1c07431ca1519d7034a21b9bcffTed KremenekCFGStmtMap *AnalysisDeclContext::getCFGStmtMap() { 159283a358aecb75e30fcd486f2206f6c03c5e7f11dTed Kremenek if (cfgStmtMap) 160b8ad5ee345fa1fdd1fa9253f2d01f69becc88a04Ted Kremenek return cfgStmtMap.get(); 161283a358aecb75e30fcd486f2206f6c03c5e7f11dTed Kremenek 162283a358aecb75e30fcd486f2206f6c03c5e7f11dTed Kremenek if (CFG *c = getCFG()) { 163b8ad5ee345fa1fdd1fa9253f2d01f69becc88a04Ted Kremenek cfgStmtMap.reset(CFGStmtMap::Build(c, &getParentMap())); 164b8ad5ee345fa1fdd1fa9253f2d01f69becc88a04Ted Kremenek return cfgStmtMap.get(); 165283a358aecb75e30fcd486f2206f6c03c5e7f11dTed Kremenek } 166283a358aecb75e30fcd486f2206f6c03c5e7f11dTed Kremenek 167283a358aecb75e30fcd486f2206f6c03c5e7f11dTed Kremenek return 0; 168283a358aecb75e30fcd486f2206f6c03c5e7f11dTed Kremenek} 16942461eecee98fff3671b3c14ce10f1a9e18cc95cTed Kremenek 1701d26f48dc2eea1c07431ca1519d7034a21b9bcffTed KremenekCFGReverseBlockReachabilityAnalysis *AnalysisDeclContext::getCFGReachablityAnalysis() { 17142461eecee98fff3671b3c14ce10f1a9e18cc95cTed Kremenek if (CFA) 172b8ad5ee345fa1fdd1fa9253f2d01f69becc88a04Ted Kremenek return CFA.get(); 17342461eecee98fff3671b3c14ce10f1a9e18cc95cTed Kremenek 17442461eecee98fff3671b3c14ce10f1a9e18cc95cTed Kremenek if (CFG *c = getCFG()) { 175af13d5b25b360e698cc1cf1055ad7d14e008e505Ted Kremenek CFA.reset(new CFGReverseBlockReachabilityAnalysis(*c)); 176b8ad5ee345fa1fdd1fa9253f2d01f69becc88a04Ted Kremenek return CFA.get(); 17742461eecee98fff3671b3c14ce10f1a9e18cc95cTed Kremenek } 178283a358aecb75e30fcd486f2206f6c03c5e7f11dTed Kremenek 17942461eecee98fff3671b3c14ce10f1a9e18cc95cTed Kremenek return 0; 18042461eecee98fff3671b3c14ce10f1a9e18cc95cTed Kremenek} 181283a358aecb75e30fcd486f2206f6c03c5e7f11dTed Kremenek 182682060c5d95f6e4f79536013781ab0870cdd3850Ted Kremenekvoid AnalysisDeclContext::dumpCFG(bool ShowColors) { 183682060c5d95f6e4f79536013781ab0870cdd3850Ted Kremenek getCFG()->dump(getASTContext().getLangOptions(), ShowColors); 18404eeba43040969c05cfcb563195ef5b199297b62Anders Carlsson} 18504eeba43040969c05cfcb563195ef5b199297b62Anders Carlsson 1861d26f48dc2eea1c07431ca1519d7034a21b9bcffTed KremenekParentMap &AnalysisDeclContext::getParentMap() { 1871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!PM) 188b8ad5ee345fa1fdd1fa9253f2d01f69becc88a04Ted Kremenek PM.reset(new ParentMap(getBody())); 18997ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu return *PM; 19097ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu} 19197ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu 1921d26f48dc2eea1c07431ca1519d7034a21b9bcffTed KremenekPseudoConstantAnalysis *AnalysisDeclContext::getPseudoConstantAnalysis() { 193245adabd97c8c770c13935a9075f2243cc6f1d57Tom Care if (!PCA) 194b8ad5ee345fa1fdd1fa9253f2d01f69becc88a04Ted Kremenek PCA.reset(new PseudoConstantAnalysis(getBody())); 195b8ad5ee345fa1fdd1fa9253f2d01f69becc88a04Ted Kremenek return PCA.get(); 196245adabd97c8c770c13935a9075f2243cc6f1d57Tom Care} 197245adabd97c8c770c13935a9075f2243cc6f1d57Tom Care 1981d26f48dc2eea1c07431ca1519d7034a21b9bcffTed KremenekAnalysisDeclContext *AnalysisDeclContextManager::getContext(const Decl *D, 1992ce43c8f43254a9edea53a20dc0e69195bc82ae0Zhongxing Xu idx::TranslationUnit *TU) { 2001d26f48dc2eea1c07431ca1519d7034a21b9bcffTed Kremenek AnalysisDeclContext *&AC = Contexts[D]; 2012376002038c8b904acd20be754aedd1a7471be71Ted Kremenek if (!AC) 2021d26f48dc2eea1c07431ca1519d7034a21b9bcffTed Kremenek AC = new AnalysisDeclContext(this, D, TU, cfgBuildOptions); 2032376002038c8b904acd20be754aedd1a7471be71Ted Kremenek return AC; 20497ab3941effe1f508c7113d9aa0c2887774f6fa8Zhongxing Xu} 20518c7c06033cafe8c0cdcbe5759c802728688b49fZhongxing Xu 206b1b5daf30d2597e066936772bd206500232d7d65Ted Kremenekconst StackFrameContext * 2071d26f48dc2eea1c07431ca1519d7034a21b9bcffTed KremenekAnalysisDeclContext::getStackFrame(LocationContext const *Parent, const Stmt *S, 208b1b5daf30d2597e066936772bd206500232d7d65Ted Kremenek const CFGBlock *Blk, unsigned Idx) { 209b1b5daf30d2597e066936772bd206500232d7d65Ted Kremenek return getLocationContextManager().getStackFrame(this, Parent, S, Blk, Idx); 210b1b5daf30d2597e066936772bd206500232d7d65Ted Kremenek} 211b1b5daf30d2597e066936772bd206500232d7d65Ted Kremenek 2121d26f48dc2eea1c07431ca1519d7034a21b9bcffTed KremenekLocationContextManager & AnalysisDeclContext::getLocationContextManager() { 213b1b5daf30d2597e066936772bd206500232d7d65Ted Kremenek assert(Manager && 2141d26f48dc2eea1c07431ca1519d7034a21b9bcffTed Kremenek "Cannot create LocationContexts without an AnalysisDeclContextManager!"); 215b1b5daf30d2597e066936772bd206500232d7d65Ted Kremenek return Manager->getLocationContextManager(); 216b1b5daf30d2597e066936772bd206500232d7d65Ted Kremenek} 217b1b5daf30d2597e066936772bd206500232d7d65Ted Kremenek 218dc0d909f0f6684159c8475db1a15967e5613cb27Ted Kremenek//===----------------------------------------------------------------------===// 219dc0d909f0f6684159c8475db1a15967e5613cb27Ted Kremenek// FoldingSet profiling. 220dc0d909f0f6684159c8475db1a15967e5613cb27Ted Kremenek//===----------------------------------------------------------------------===// 221dc0d909f0f6684159c8475db1a15967e5613cb27Ted Kremenek 222dc0d909f0f6684159c8475db1a15967e5613cb27Ted Kremenekvoid LocationContext::ProfileCommon(llvm::FoldingSetNodeID &ID, 223dc0d909f0f6684159c8475db1a15967e5613cb27Ted Kremenek ContextKind ck, 2241d26f48dc2eea1c07431ca1519d7034a21b9bcffTed Kremenek AnalysisDeclContext *ctx, 225dc0d909f0f6684159c8475db1a15967e5613cb27Ted Kremenek const LocationContext *parent, 2269c378f705405d37f49795d5e915989de774fe11fTed Kremenek const void *data) { 2270ee4124012950d7bb853438629b8e7652febf183Ted Kremenek ID.AddInteger(ck); 2280ee4124012950d7bb853438629b8e7652febf183Ted Kremenek ID.AddPointer(ctx); 2290ee4124012950d7bb853438629b8e7652febf183Ted Kremenek ID.AddPointer(parent); 230dc0d909f0f6684159c8475db1a15967e5613cb27Ted Kremenek ID.AddPointer(data); 231dc0d909f0f6684159c8475db1a15967e5613cb27Ted Kremenek} 232dc0d909f0f6684159c8475db1a15967e5613cb27Ted Kremenek 233dc0d909f0f6684159c8475db1a15967e5613cb27Ted Kremenekvoid StackFrameContext::Profile(llvm::FoldingSetNodeID &ID) { 2341d26f48dc2eea1c07431ca1519d7034a21b9bcffTed Kremenek Profile(ID, getAnalysisDeclContext(), getParent(), CallSite, Block, Index); 23518c7c06033cafe8c0cdcbe5759c802728688b49fZhongxing Xu} 23618c7c06033cafe8c0cdcbe5759c802728688b49fZhongxing Xu 237dc0d909f0f6684159c8475db1a15967e5613cb27Ted Kremenekvoid ScopeContext::Profile(llvm::FoldingSetNodeID &ID) { 2381d26f48dc2eea1c07431ca1519d7034a21b9bcffTed Kremenek Profile(ID, getAnalysisDeclContext(), getParent(), Enter); 23918c7c06033cafe8c0cdcbe5759c802728688b49fZhongxing Xu} 24018c7c06033cafe8c0cdcbe5759c802728688b49fZhongxing Xu 241dc0d909f0f6684159c8475db1a15967e5613cb27Ted Kremenekvoid BlockInvocationContext::Profile(llvm::FoldingSetNodeID &ID) { 2421d26f48dc2eea1c07431ca1519d7034a21b9bcffTed Kremenek Profile(ID, getAnalysisDeclContext(), getParent(), BD); 243dc0d909f0f6684159c8475db1a15967e5613cb27Ted Kremenek} 244dc0d909f0f6684159c8475db1a15967e5613cb27Ted Kremenek 245dc0d909f0f6684159c8475db1a15967e5613cb27Ted Kremenek//===----------------------------------------------------------------------===// 2460ee4124012950d7bb853438629b8e7652febf183Ted Kremenek// LocationContext creation. 247dc0d909f0f6684159c8475db1a15967e5613cb27Ted Kremenek//===----------------------------------------------------------------------===// 248dc0d909f0f6684159c8475db1a15967e5613cb27Ted Kremenek 2490ee4124012950d7bb853438629b8e7652febf183Ted Kremenektemplate <typename LOC, typename DATA> 2500ee4124012950d7bb853438629b8e7652febf183Ted Kremenekconst LOC* 2511d26f48dc2eea1c07431ca1519d7034a21b9bcffTed KremenekLocationContextManager::getLocationContext(AnalysisDeclContext *ctx, 2520ee4124012950d7bb853438629b8e7652febf183Ted Kremenek const LocationContext *parent, 2530ee4124012950d7bb853438629b8e7652febf183Ted Kremenek const DATA *d) { 2540ee4124012950d7bb853438629b8e7652febf183Ted Kremenek llvm::FoldingSetNodeID ID; 2550ee4124012950d7bb853438629b8e7652febf183Ted Kremenek LOC::Profile(ID, ctx, parent, d); 2560ee4124012950d7bb853438629b8e7652febf183Ted Kremenek void *InsertPos; 257d064fdc4b7b64ca55b40b70490c79d6f569df78eTed Kremenek 2580ee4124012950d7bb853438629b8e7652febf183Ted Kremenek LOC *L = cast_or_null<LOC>(Contexts.FindNodeOrInsertPos(ID, InsertPos)); 259d064fdc4b7b64ca55b40b70490c79d6f569df78eTed Kremenek 2600ee4124012950d7bb853438629b8e7652febf183Ted Kremenek if (!L) { 2610ee4124012950d7bb853438629b8e7652febf183Ted Kremenek L = new LOC(ctx, parent, d); 2620ee4124012950d7bb853438629b8e7652febf183Ted Kremenek Contexts.InsertNode(L, InsertPos); 2630ee4124012950d7bb853438629b8e7652febf183Ted Kremenek } 2640ee4124012950d7bb853438629b8e7652febf183Ted Kremenek return L; 26558f5ec7d56b1ebf5f90ee11226ebe7663f2821eaTed Kremenek} 26658f5ec7d56b1ebf5f90ee11226ebe7663f2821eaTed Kremenek 2670ee4124012950d7bb853438629b8e7652febf183Ted Kremenekconst StackFrameContext* 2681d26f48dc2eea1c07431ca1519d7034a21b9bcffTed KremenekLocationContextManager::getStackFrame(AnalysisDeclContext *ctx, 26954c809b19444a01444f36e93d1d28c9a5668484cTed Kremenek const LocationContext *parent, 270892697dd2287caf7c29aaaa82909b0e90b8b63feTed Kremenek const Stmt *s, 271d706434b0231c76fd9acf30060646a7aa8f69aefZhongxing Xu const CFGBlock *blk, unsigned idx) { 27262d399e1880aacd9dc494fce374245b0da915adaZhongxing Xu llvm::FoldingSetNodeID ID; 273892697dd2287caf7c29aaaa82909b0e90b8b63feTed Kremenek StackFrameContext::Profile(ID, ctx, parent, s, blk, idx); 27462d399e1880aacd9dc494fce374245b0da915adaZhongxing Xu void *InsertPos; 275d064fdc4b7b64ca55b40b70490c79d6f569df78eTed Kremenek StackFrameContext *L = 27662d399e1880aacd9dc494fce374245b0da915adaZhongxing Xu cast_or_null<StackFrameContext>(Contexts.FindNodeOrInsertPos(ID, InsertPos)); 27762d399e1880aacd9dc494fce374245b0da915adaZhongxing Xu if (!L) { 278892697dd2287caf7c29aaaa82909b0e90b8b63feTed Kremenek L = new StackFrameContext(ctx, parent, s, blk, idx); 27962d399e1880aacd9dc494fce374245b0da915adaZhongxing Xu Contexts.InsertNode(L, InsertPos); 28062d399e1880aacd9dc494fce374245b0da915adaZhongxing Xu } 28162d399e1880aacd9dc494fce374245b0da915adaZhongxing Xu return L; 28218c7c06033cafe8c0cdcbe5759c802728688b49fZhongxing Xu} 28318c7c06033cafe8c0cdcbe5759c802728688b49fZhongxing Xu 2840ee4124012950d7bb853438629b8e7652febf183Ted Kremenekconst ScopeContext * 2851d26f48dc2eea1c07431ca1519d7034a21b9bcffTed KremenekLocationContextManager::getScope(AnalysisDeclContext *ctx, 2860ee4124012950d7bb853438629b8e7652febf183Ted Kremenek const LocationContext *parent, 2870ee4124012950d7bb853438629b8e7652febf183Ted Kremenek const Stmt *s) { 2880ee4124012950d7bb853438629b8e7652febf183Ted Kremenek return getLocationContext<ScopeContext, Stmt>(ctx, parent, s); 2890ee4124012950d7bb853438629b8e7652febf183Ted Kremenek} 29018c7c06033cafe8c0cdcbe5759c802728688b49fZhongxing Xu 291b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek//===----------------------------------------------------------------------===// 29267d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek// LocationContext methods. 29367d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek//===----------------------------------------------------------------------===// 29467d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek 29567d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenekconst StackFrameContext *LocationContext::getCurrentStackFrame() const { 29667d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek const LocationContext *LC = this; 29767d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek while (LC) { 29867d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek if (const StackFrameContext *SFC = dyn_cast<StackFrameContext>(LC)) 29967d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek return SFC; 30067d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek LC = LC->getParent(); 30167d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek } 30267d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek return NULL; 30367d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek} 30467d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek 3052b87ae45e129b941d0a4d221c9d4842385a119bdTed Kremenekconst StackFrameContext * 3062b87ae45e129b941d0a4d221c9d4842385a119bdTed KremenekLocationContext::getStackFrameForDeclContext(const DeclContext *DC) const { 3072b87ae45e129b941d0a4d221c9d4842385a119bdTed Kremenek const LocationContext *LC = this; 3082b87ae45e129b941d0a4d221c9d4842385a119bdTed Kremenek while (LC) { 3092b87ae45e129b941d0a4d221c9d4842385a119bdTed Kremenek if (const StackFrameContext *SFC = dyn_cast<StackFrameContext>(LC)) { 3102b87ae45e129b941d0a4d221c9d4842385a119bdTed Kremenek if (cast<DeclContext>(SFC->getDecl()) == DC) 3112b87ae45e129b941d0a4d221c9d4842385a119bdTed Kremenek return SFC; 3122b87ae45e129b941d0a4d221c9d4842385a119bdTed Kremenek } 3132b87ae45e129b941d0a4d221c9d4842385a119bdTed Kremenek LC = LC->getParent(); 3142b87ae45e129b941d0a4d221c9d4842385a119bdTed Kremenek } 3152b87ae45e129b941d0a4d221c9d4842385a119bdTed Kremenek return NULL; 3162b87ae45e129b941d0a4d221c9d4842385a119bdTed Kremenek} 3172b87ae45e129b941d0a4d221c9d4842385a119bdTed Kremenek 3188ddf7cead8a67342a4584a203e0bf736b7efedbeZhongxing Xubool LocationContext::isParentOf(const LocationContext *LC) const { 3198ddf7cead8a67342a4584a203e0bf736b7efedbeZhongxing Xu do { 3208ddf7cead8a67342a4584a203e0bf736b7efedbeZhongxing Xu const LocationContext *Parent = LC->getParent(); 3218ddf7cead8a67342a4584a203e0bf736b7efedbeZhongxing Xu if (Parent == this) 3228ddf7cead8a67342a4584a203e0bf736b7efedbeZhongxing Xu return true; 3238ddf7cead8a67342a4584a203e0bf736b7efedbeZhongxing Xu else 3248ddf7cead8a67342a4584a203e0bf736b7efedbeZhongxing Xu LC = Parent; 3258ddf7cead8a67342a4584a203e0bf736b7efedbeZhongxing Xu } while (LC); 3268ddf7cead8a67342a4584a203e0bf736b7efedbeZhongxing Xu 3278ddf7cead8a67342a4584a203e0bf736b7efedbeZhongxing Xu return false; 3288ddf7cead8a67342a4584a203e0bf736b7efedbeZhongxing Xu} 3298ddf7cead8a67342a4584a203e0bf736b7efedbeZhongxing Xu 33067d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek//===----------------------------------------------------------------------===// 331b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek// Lazily generated map to query the external variables referenced by a Block. 332b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek//===----------------------------------------------------------------------===// 333b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek 334b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremeneknamespace { 335b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenekclass FindBlockDeclRefExprsVals : public StmtVisitor<FindBlockDeclRefExprsVals>{ 336b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek BumpVector<const VarDecl*> &BEVals; 337b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek BumpVectorContext &BC; 3389b20a90dff2ed605153c68a5c58b6aadcdb0952bBenjamin Kramer llvm::SmallPtrSet<const VarDecl*, 4> Visited; 3399b20a90dff2ed605153c68a5c58b6aadcdb0952bBenjamin Kramer llvm::SmallPtrSet<const DeclContext*, 4> IgnoredContexts; 340b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenekpublic: 341b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek FindBlockDeclRefExprsVals(BumpVector<const VarDecl*> &bevals, 342b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek BumpVectorContext &bc) 343b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek : BEVals(bevals), BC(bc) {} 3442cfe28b6a061e72c6c8726d7ecb879093a1ab7a3Ted Kremenek 3452cfe28b6a061e72c6c8726d7ecb879093a1ab7a3Ted Kremenek bool IsTrackedDecl(const VarDecl *VD) { 3462cfe28b6a061e72c6c8726d7ecb879093a1ab7a3Ted Kremenek const DeclContext *DC = VD->getDeclContext(); 3472cfe28b6a061e72c6c8726d7ecb879093a1ab7a3Ted Kremenek return IgnoredContexts.count(DC) == 0; 3482cfe28b6a061e72c6c8726d7ecb879093a1ab7a3Ted Kremenek } 3492cfe28b6a061e72c6c8726d7ecb879093a1ab7a3Ted Kremenek 350b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek void VisitStmt(Stmt *S) { 3517502c1d3ce8bb97bcc4f7bebef507040bd93b26fJohn McCall for (Stmt::child_range I = S->children(); I; ++I) 352b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek if (Stmt *child = *I) 353b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek Visit(child); 354b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek } 35585248734f404fbb9b2f88ecd5296761a8578def6Ted Kremenek 35615ce164836472bfba88b30e53aa3f6ac0fb8a95dTed Kremenek void VisitDeclRefExpr(DeclRefExpr *DR) { 35785248734f404fbb9b2f88ecd5296761a8578def6Ted Kremenek // Non-local variables are also directly modified. 3589b20a90dff2ed605153c68a5c58b6aadcdb0952bBenjamin Kramer if (const VarDecl *VD = dyn_cast<VarDecl>(DR->getDecl())) { 35985248734f404fbb9b2f88ecd5296761a8578def6Ted Kremenek if (!VD->hasLocalStorage()) { 3609b20a90dff2ed605153c68a5c58b6aadcdb0952bBenjamin Kramer if (Visited.insert(VD)) 36185248734f404fbb9b2f88ecd5296761a8578def6Ted Kremenek BEVals.push_back(VD, BC); 362f4b88a45902af1802a1cb42ba48b1c474474f228John McCall } else if (DR->refersToEnclosingLocal()) { 3639b20a90dff2ed605153c68a5c58b6aadcdb0952bBenjamin Kramer if (Visited.insert(VD) && IsTrackedDecl(VD)) 3649b20a90dff2ed605153c68a5c58b6aadcdb0952bBenjamin Kramer BEVals.push_back(VD, BC); 36585248734f404fbb9b2f88ecd5296761a8578def6Ted Kremenek } 3669b20a90dff2ed605153c68a5c58b6aadcdb0952bBenjamin Kramer } 36785248734f404fbb9b2f88ecd5296761a8578def6Ted Kremenek } 3682cfe28b6a061e72c6c8726d7ecb879093a1ab7a3Ted Kremenek 3692cfe28b6a061e72c6c8726d7ecb879093a1ab7a3Ted Kremenek void VisitBlockExpr(BlockExpr *BR) { 3702cfe28b6a061e72c6c8726d7ecb879093a1ab7a3Ted Kremenek // Blocks containing blocks can transitively capture more variables. 3712cfe28b6a061e72c6c8726d7ecb879093a1ab7a3Ted Kremenek IgnoredContexts.insert(BR->getBlockDecl()); 3722cfe28b6a061e72c6c8726d7ecb879093a1ab7a3Ted Kremenek Visit(BR->getBlockDecl()->getBody()); 3732cfe28b6a061e72c6c8726d7ecb879093a1ab7a3Ted Kremenek } 37415ce164836472bfba88b30e53aa3f6ac0fb8a95dTed Kremenek 37515ce164836472bfba88b30e53aa3f6ac0fb8a95dTed Kremenek void VisitPseudoObjectExpr(PseudoObjectExpr *PE) { 37615ce164836472bfba88b30e53aa3f6ac0fb8a95dTed Kremenek for (PseudoObjectExpr::semantics_iterator it = PE->semantics_begin(), 37715ce164836472bfba88b30e53aa3f6ac0fb8a95dTed Kremenek et = PE->semantics_end(); it != et; ++it) { 37815ce164836472bfba88b30e53aa3f6ac0fb8a95dTed Kremenek Expr *Semantic = *it; 37915ce164836472bfba88b30e53aa3f6ac0fb8a95dTed Kremenek if (OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(Semantic)) 38015ce164836472bfba88b30e53aa3f6ac0fb8a95dTed Kremenek Semantic = OVE->getSourceExpr(); 38115ce164836472bfba88b30e53aa3f6ac0fb8a95dTed Kremenek Visit(Semantic); 38215ce164836472bfba88b30e53aa3f6ac0fb8a95dTed Kremenek } 38315ce164836472bfba88b30e53aa3f6ac0fb8a95dTed Kremenek } 384d064fdc4b7b64ca55b40b70490c79d6f569df78eTed Kremenek}; 385b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek} // end anonymous namespace 386b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek 387b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenektypedef BumpVector<const VarDecl*> DeclVec; 388b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek 389b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenekstatic DeclVec* LazyInitializeReferencedDecls(const BlockDecl *BD, 390b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek void *&Vec, 391b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek llvm::BumpPtrAllocator &A) { 392b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek if (Vec) 393b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek return (DeclVec*) Vec; 394d064fdc4b7b64ca55b40b70490c79d6f569df78eTed Kremenek 395b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek BumpVectorContext BC(A); 396b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek DeclVec *BV = (DeclVec*) A.Allocate<DeclVec>(); 397b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek new (BV) DeclVec(BC, 10); 398d064fdc4b7b64ca55b40b70490c79d6f569df78eTed Kremenek 399b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek // Find the referenced variables. 400b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek FindBlockDeclRefExprsVals F(*BV, BC); 401b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek F.Visit(BD->getBody()); 402d064fdc4b7b64ca55b40b70490c79d6f569df78eTed Kremenek 403d064fdc4b7b64ca55b40b70490c79d6f569df78eTed Kremenek Vec = BV; 404b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek return BV; 405b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek} 406b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek 4071d26f48dc2eea1c07431ca1519d7034a21b9bcffTed Kremenekstd::pair<AnalysisDeclContext::referenced_decls_iterator, 4081d26f48dc2eea1c07431ca1519d7034a21b9bcffTed Kremenek AnalysisDeclContext::referenced_decls_iterator> 4091d26f48dc2eea1c07431ca1519d7034a21b9bcffTed KremenekAnalysisDeclContext::getReferencedBlockVars(const BlockDecl *BD) { 410b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek if (!ReferencedBlockVars) 411b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek ReferencedBlockVars = new llvm::DenseMap<const BlockDecl*,void*>(); 412d064fdc4b7b64ca55b40b70490c79d6f569df78eTed Kremenek 413b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek DeclVec *V = LazyInitializeReferencedDecls(BD, (*ReferencedBlockVars)[BD], A); 414b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek return std::make_pair(V->begin(), V->end()); 415b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek} 416b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek 4171d26f48dc2eea1c07431ca1519d7034a21b9bcffTed KremenekManagedAnalysis *&AnalysisDeclContext::getAnalysisImpl(const void *tag) { 418a5937bbfd19e61d651a58b0f0ffeef68457902a5Ted Kremenek if (!ManagedAnalyses) 419a5937bbfd19e61d651a58b0f0ffeef68457902a5Ted Kremenek ManagedAnalyses = new ManagedAnalysisMap(); 420a5937bbfd19e61d651a58b0f0ffeef68457902a5Ted Kremenek ManagedAnalysisMap *M = (ManagedAnalysisMap*) ManagedAnalyses; 421a5937bbfd19e61d651a58b0f0ffeef68457902a5Ted Kremenek return (*M)[tag]; 422a5937bbfd19e61d651a58b0f0ffeef68457902a5Ted Kremenek} 423a5937bbfd19e61d651a58b0f0ffeef68457902a5Ted Kremenek 424b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek//===----------------------------------------------------------------------===// 425b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek// Cleanup. 426b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek//===----------------------------------------------------------------------===// 427b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek 428a5937bbfd19e61d651a58b0f0ffeef68457902a5Ted KremenekManagedAnalysis::~ManagedAnalysis() {} 429a5937bbfd19e61d651a58b0f0ffeef68457902a5Ted Kremenek 4301d26f48dc2eea1c07431ca1519d7034a21b9bcffTed KremenekAnalysisDeclContext::~AnalysisDeclContext() { 431b8ad5ee345fa1fdd1fa9253f2d01f69becc88a04Ted Kremenek delete forcedBlkExprs; 432b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek delete ReferencedBlockVars; 433a5937bbfd19e61d651a58b0f0ffeef68457902a5Ted Kremenek // Release the managed analyses. 434a5937bbfd19e61d651a58b0f0ffeef68457902a5Ted Kremenek if (ManagedAnalyses) { 435a5937bbfd19e61d651a58b0f0ffeef68457902a5Ted Kremenek ManagedAnalysisMap *M = (ManagedAnalysisMap*) ManagedAnalyses; 436a5937bbfd19e61d651a58b0f0ffeef68457902a5Ted Kremenek for (ManagedAnalysisMap::iterator I = M->begin(), E = M->end(); I!=E; ++I) 437a5937bbfd19e61d651a58b0f0ffeef68457902a5Ted Kremenek delete I->second; 438a5937bbfd19e61d651a58b0f0ffeef68457902a5Ted Kremenek delete M; 439a5937bbfd19e61d651a58b0f0ffeef68457902a5Ted Kremenek } 440b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek} 441b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek 4421d26f48dc2eea1c07431ca1519d7034a21b9bcffTed KremenekAnalysisDeclContextManager::~AnalysisDeclContextManager() { 443b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek for (ContextMap::iterator I = Contexts.begin(), E = Contexts.end(); I!=E; ++I) 444b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek delete I->second; 445b1a7b65231e86f7da6aacbf00bcdc16c56350e65Ted Kremenek} 4460ee4124012950d7bb853438629b8e7652febf183Ted Kremenek 4470ee4124012950d7bb853438629b8e7652febf183Ted KremenekLocationContext::~LocationContext() {} 4480ee4124012950d7bb853438629b8e7652febf183Ted Kremenek 4490ee4124012950d7bb853438629b8e7652febf183Ted KremenekLocationContextManager::~LocationContextManager() { 4500ee4124012950d7bb853438629b8e7652febf183Ted Kremenek clear(); 4510ee4124012950d7bb853438629b8e7652febf183Ted Kremenek} 4520ee4124012950d7bb853438629b8e7652febf183Ted Kremenek 4530ee4124012950d7bb853438629b8e7652febf183Ted Kremenekvoid LocationContextManager::clear() { 4540ee4124012950d7bb853438629b8e7652febf183Ted Kremenek for (llvm::FoldingSet<LocationContext>::iterator I = Contexts.begin(), 455d064fdc4b7b64ca55b40b70490c79d6f569df78eTed Kremenek E = Contexts.end(); I != E; ) { 4560ee4124012950d7bb853438629b8e7652febf183Ted Kremenek LocationContext *LC = &*I; 4570ee4124012950d7bb853438629b8e7652febf183Ted Kremenek ++I; 4580ee4124012950d7bb853438629b8e7652febf183Ted Kremenek delete LC; 4590ee4124012950d7bb853438629b8e7652febf183Ted Kremenek } 460d064fdc4b7b64ca55b40b70490c79d6f569df78eTed Kremenek 4610ee4124012950d7bb853438629b8e7652febf183Ted Kremenek Contexts.clear(); 4620ee4124012950d7bb853438629b8e7652febf183Ted Kremenek} 4630ee4124012950d7bb853438629b8e7652febf183Ted Kremenek 464