MemRegion.h revision 5846720f08a6b225484bfe663599c2b057a99bc8
19e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek//== MemRegion.h - Abstract memory regions for static analysis --*- C++ -*--==// 29e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek// 39e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek// The LLVM Compiler Infrastructure 49e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek// 59e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek// This file is distributed under the University of Illinois Open Source 69e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek// License. See LICENSE.TXT for details. 79e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek// 89e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek//===----------------------------------------------------------------------===// 99e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek// 109e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek// This file defines MemRegion and its subclasses. MemRegion defines a 119e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek// partially-typed abstraction of memory useful for path-sensitive dataflow 129e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek// analyses. 139e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek// 149e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek//===----------------------------------------------------------------------===// 159e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek 165a4f98ff943e6a501b0fe47ade007c9bbf96cb88Argyrios Kyrtzidis#ifndef LLVM_CLANG_GR_MEMREGION_H 175a4f98ff943e6a501b0fe47ade007c9bbf96cb88Argyrios Kyrtzidis#define LLVM_CLANG_GR_MEMREGION_H 189e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek 19478851c3ed6bd784e7377dffd8e57b200c1b9ba9Benjamin Kramer#include "clang/AST/ASTContext.h" 209ff2b13aee0f89d23ef4820218f9b88bb5e5c1c1Ken Dyck#include "clang/AST/CharUnits.h" 21993f1c72913417be7c534ec7a634363cdfc84fa5Ted Kremenek#include "clang/AST/Decl.h" 224c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek#include "clang/AST/ExprObjC.h" 23d47d3b0cfeb7e8564ff77f48130fe63282b6d127Chris Lattner#include "clang/Basic/LLVM.h" 249b663716449b618ba0390b1dbebc54fa8e971124Ted Kremenek#include "clang/StaticAnalyzer/Core/PathSensitive/SVals.h" 259e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek#include "llvm/ADT/FoldingSet.h" 2630a2e16f6c27f888dd11eba6bbbae1e980078fcbChandler Carruth#include "llvm/Support/ErrorHandling.h" 279e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek#include <string> 289e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek 295e2d2c2ee3cf410643e0f9a5701708e51409d973Benjamin Kramernamespace llvm { 305e2d2c2ee3cf410643e0f9a5701708e51409d973Benjamin Kramerclass BumpPtrAllocator; 315e2d2c2ee3cf410643e0f9a5701708e51409d973Benjamin Kramer} 329e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek 339e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremeneknamespace clang { 341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35d17da2b99f323fa91b01e1dd119cc32e0ee8197dTed Kremenekclass LocationContext; 3667d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenekclass StackFrameContext; 375a4f98ff943e6a501b0fe47ade007c9bbf96cb88Argyrios Kyrtzidis 389ef6537a894c33003359b1f9b9676e9178e028b7Ted Kremeneknamespace ento { 395a4f98ff943e6a501b0fe47ade007c9bbf96cb88Argyrios Kyrtzidis 405a4f98ff943e6a501b0fe47ade007c9bbf96cb88Argyrios Kyrtzidisclass MemRegionManager; 415a4f98ff943e6a501b0fe47ade007c9bbf96cb88Argyrios Kyrtzidisclass MemSpaceRegion; 42c8413fd03f73084a5c93028f8b4db619fc388087Ted Kremenekclass SValBuilder; 434240096011a187807058f887eb81df750ffa17feTed Kremenekclass VarRegion; 44dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenekclass CodeTextRegion; 451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46e888233f6b115d3b0dd73bcb5f35e93794408542Zhongxing Xu/// Represent a region's offset within the top level base region. 47e888233f6b115d3b0dd73bcb5f35e93794408542Zhongxing Xuclass RegionOffset { 48e888233f6b115d3b0dd73bcb5f35e93794408542Zhongxing Xu /// The base region. 49e888233f6b115d3b0dd73bcb5f35e93794408542Zhongxing Xu const MemRegion *R; 50e888233f6b115d3b0dd73bcb5f35e93794408542Zhongxing Xu 51e888233f6b115d3b0dd73bcb5f35e93794408542Zhongxing Xu /// The bit offset within the base region. It shouldn't be negative. 52e3273e78da4716f9c999ae207f6898f376a6e1a4Zhongxing Xu int64_t Offset; 53e888233f6b115d3b0dd73bcb5f35e93794408542Zhongxing Xu 54e888233f6b115d3b0dd73bcb5f35e93794408542Zhongxing Xupublic: 555375d82d1d096ddd8879d8e6641a8f042b0d1d43Aaron Ballman // We're using a const instead of an enumeration due to the size required; 565375d82d1d096ddd8879d8e6641a8f042b0d1d43Aaron Ballman // Visual Studio will only create enumerations of size int, not long long. 575375d82d1d096ddd8879d8e6641a8f042b0d1d43Aaron Ballman static const int64_t Symbolic = INT64_MAX; 58824e07ac8f5c9efdddb4254de0203b9675b1ef0bJordan Rose 59e0d24eb1060a213ec9820dc02c45f26b2d5b348bJordan Rose RegionOffset() : R(0) {} 60e3273e78da4716f9c999ae207f6898f376a6e1a4Zhongxing Xu RegionOffset(const MemRegion *r, int64_t off) : R(r), Offset(off) {} 61e888233f6b115d3b0dd73bcb5f35e93794408542Zhongxing Xu 62e888233f6b115d3b0dd73bcb5f35e93794408542Zhongxing Xu const MemRegion *getRegion() const { return R; } 63824e07ac8f5c9efdddb4254de0203b9675b1ef0bJordan Rose 64824e07ac8f5c9efdddb4254de0203b9675b1ef0bJordan Rose bool hasSymbolicOffset() const { return Offset == Symbolic; } 65824e07ac8f5c9efdddb4254de0203b9675b1ef0bJordan Rose 66824e07ac8f5c9efdddb4254de0203b9675b1ef0bJordan Rose int64_t getOffset() const { 67824e07ac8f5c9efdddb4254de0203b9675b1ef0bJordan Rose assert(!hasSymbolicOffset()); 68824e07ac8f5c9efdddb4254de0203b9675b1ef0bJordan Rose return Offset; 69824e07ac8f5c9efdddb4254de0203b9675b1ef0bJordan Rose } 70e0d24eb1060a213ec9820dc02c45f26b2d5b348bJordan Rose 71e0d24eb1060a213ec9820dc02c45f26b2d5b348bJordan Rose bool isValid() const { return R; } 72e888233f6b115d3b0dd73bcb5f35e93794408542Zhongxing Xu}; 73e888233f6b115d3b0dd73bcb5f35e93794408542Zhongxing Xu 7419e1f0ba5cec738ce6cebe3fe0e1edc782206494Ted Kremenek//===----------------------------------------------------------------------===// 7519e1f0ba5cec738ce6cebe3fe0e1edc782206494Ted Kremenek// Base region classes. 7619e1f0ba5cec738ce6cebe3fe0e1edc782206494Ted Kremenek//===----------------------------------------------------------------------===// 771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 789e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek/// MemRegion - The root abstract class for all memory regions. 799e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenekclass MemRegion : public llvm::FoldingSetNode { 804240096011a187807058f887eb81df750ffa17feTed Kremenek friend class MemRegionManager; 819e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenekpublic: 8267d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek enum Kind { 8367d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek // Memory spaces. 84dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek GenericMemSpaceRegionKind, 8567d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek StackLocalsSpaceRegionKind, 8667d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek StackArgumentsSpaceRegionKind, 8767d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek HeapSpaceRegionKind, 882b87ae45e129b941d0a4d221c9d4842385a119bdTed Kremenek UnknownSpaceRegionKind, 89dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek StaticGlobalSpaceRegionKind, 90eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks GlobalInternalSpaceRegionKind, 91eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks GlobalSystemSpaceRegionKind, 92eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks GlobalImmutableSpaceRegionKind, 93eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks BEG_NON_STATIC_GLOBAL_MEMSPACES = GlobalInternalSpaceRegionKind, 94eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks END_NON_STATIC_GLOBAL_MEMSPACES = GlobalImmutableSpaceRegionKind, 95eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks BEG_GLOBAL_MEMSPACES = StaticGlobalSpaceRegionKind, 96eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks END_GLOBAL_MEMSPACES = GlobalImmutableSpaceRegionKind, 97dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek BEG_MEMSPACES = GenericMemSpaceRegionKind, 98eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks END_MEMSPACES = GlobalImmutableSpaceRegionKind, 9967d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek // Untyped regions. 10067d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek SymbolicRegionKind, 10167d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek AllocaRegionKind, 10267d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek // Typed regions. 10367d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek BEG_TYPED_REGIONS, 10467d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek FunctionTextRegionKind = BEG_TYPED_REGIONS, 10567d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek BlockTextRegionKind, 1068ecf59afbab1dbf184dc4c0c47e7213cbd32ba0aJordan Rose BlockDataRegionKind, 1079697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenek BEG_TYPED_VALUE_REGIONS, 1089697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenek CompoundLiteralRegionKind = BEG_TYPED_VALUE_REGIONS, 109de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek CXXThisRegionKind, 11067d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek StringRegionKind, 1114c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek ObjCStringRegionKind, 11267d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek ElementRegionKind, 11367d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek // Decl Regions. 11467d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek BEG_DECL_REGIONS, 11567d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek VarRegionKind = BEG_DECL_REGIONS, 11667d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek FieldRegionKind, 11767d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek ObjCIvarRegionKind, 1184fd56816e0925c04f2c92e75399f5c9018d5d6fbZhongxing Xu END_DECL_REGIONS = ObjCIvarRegionKind, 11902fe28c8a6da29d4ad88d0900c133dcf22d24a75Zhongxing Xu CXXTempObjectRegionKind, 1204fd56816e0925c04f2c92e75399f5c9018d5d6fbZhongxing Xu CXXBaseObjectRegionKind, 121096aef9597b263b4cd6a0feaacf9e7214fa9c75aJordy Rose END_TYPED_VALUE_REGIONS = CXXBaseObjectRegionKind, 122096aef9597b263b4cd6a0feaacf9e7214fa9c75aJordy Rose END_TYPED_REGIONS = CXXBaseObjectRegionKind 12367d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek }; 12467d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek 1259e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenekprivate: 1269e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek const Kind kind; 1271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1289e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenekprotected: 1299e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek MemRegion(Kind k) : kind(k) {} 1309e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek virtual ~MemRegion(); 1319e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek 1329e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenekpublic: 133a6275a534da701f37d19a068e6361e5f10f983a1Ted Kremenek ASTContext &getContext() const; 1341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1359e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek virtual void Profile(llvm::FoldingSetNodeID& ID) const = 0; 136a43484afda4c4fb4b23a53a2dc91d985d39dc2c4Ted Kremenek 137a43484afda4c4fb4b23a53a2dc91d985d39dc2c4Ted Kremenek virtual MemRegionManager* getMemRegionManager() const = 0; 138a43484afda4c4fb4b23a53a2dc91d985d39dc2c4Ted Kremenek 139bb7c96f290453104ec35ca17111a5165f68a4697Ted Kremenek const MemSpaceRegion *getMemorySpace() const; 1401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 141adca27102ff733c7d42fcbbc2c7e134a7fc026f9Zhongxing Xu const MemRegion *getBaseRegion() const; 142adca27102ff733c7d42fcbbc2c7e134a7fc026f9Zhongxing Xu 143522fc21f3adc647817edc8017e6928a64c96899bAnna Zaks /// Check if the region is a subregion of the given region. 1445f7c0add1ea1d8e1d2f920d77fd1a7b6160c2d93Anna Zaks virtual bool isSubRegionOf(const MemRegion *R) const; 145522fc21f3adc647817edc8017e6928a64c96899bAnna Zaks 146b11a3ada9a22e146c6edd33bcc6301e221fedd7aJordan Rose const MemRegion *StripCasts(bool StripBaseCasts = true) const; 1471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1481508636e99faddf569a57fce82c0fb3aa2124396Ted Kremenek bool hasGlobalsOrParametersStorage() const; 1491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 150de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek bool hasStackStorage() const; 151de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek 152de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek bool hasStackNonParametersStorage() const; 153de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek 154de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek bool hasStackParametersStorage() const; 155b21ff77c8126ea628b66d2ffb931fdaa7884f5d2Zhongxing Xu 156e888233f6b115d3b0dd73bcb5f35e93794408542Zhongxing Xu /// Compute the offset within the top level memory object. 157e888233f6b115d3b0dd73bcb5f35e93794408542Zhongxing Xu RegionOffset getAsOffset() const; 158e888233f6b115d3b0dd73bcb5f35e93794408542Zhongxing Xu 1593d7c44e01d568e5d5c0fac9c6ccb3f080157ba19Anna Zaks /// \brief Get a string representation of a region for debug use. 1603d7c44e01d568e5d5c0fac9c6ccb3f080157ba19Anna Zaks std::string getString() const; 1613d7c44e01d568e5d5c0fac9c6ccb3f080157ba19Anna Zaks 1629c378f705405d37f49795d5e915989de774fe11fTed Kremenek virtual void dumpToStream(raw_ostream &os) const; 1637f39d29cb69e7488f994870800d548008e50e1cbTed Kremenek 1648800ad4eaa1621f6d23c8264971063b9f8da6a2eTed Kremenek void dump() const; 1651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 166919e8a1c6698bfa6848571d366430126bced727dJordan Rose /// \brief Returns true if this region can be printed in a user-friendly way. 167919e8a1c6698bfa6848571d366430126bced727dJordan Rose virtual bool canPrintPretty() const; 168919e8a1c6698bfa6848571d366430126bced727dJordan Rose 1693d7c44e01d568e5d5c0fac9c6ccb3f080157ba19Anna Zaks /// \brief Print the region for use in diagnostics. 170919e8a1c6698bfa6848571d366430126bced727dJordan Rose virtual void printPretty(raw_ostream &os) const; 1713d7c44e01d568e5d5c0fac9c6ccb3f080157ba19Anna Zaks 1721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Kind getKind() const { return kind; } 1731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 174ed65d3d97132fbcdd124aef4d2478e348dfbd36bTed Kremenek template<typename RegionTy> const RegionTy* getAs() const; 1751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 176f0f0605c87739c906861f73d4287798a4969b1e0Zhongxing Xu virtual bool isBoundable() const { return false; } 1779e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek}; 1781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 179eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks/// MemSpaceRegion - A memory region that represents a "memory space"; 1809e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek/// for example, the set of global variables, the stack frame, etc. 1819e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenekclass MemSpaceRegion : public MemRegion { 182a43484afda4c4fb4b23a53a2dc91d985d39dc2c4Ted Kremenekprotected: 18367d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek friend class MemRegionManager; 18467d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek 185a43484afda4c4fb4b23a53a2dc91d985d39dc2c4Ted Kremenek MemRegionManager *Mgr; 186a43484afda4c4fb4b23a53a2dc91d985d39dc2c4Ted Kremenek 18767d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek MemSpaceRegion(MemRegionManager *mgr, Kind k = GenericMemSpaceRegionKind) 18867d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek : MemRegion(k), Mgr(mgr) { 18967d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek assert(classof(this)); 19067d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek } 19167d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek 19267d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek MemRegionManager* getMemRegionManager() const { return Mgr; } 1931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19467d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenekpublic: 19567d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek bool isBoundable() const { return false; } 19667d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek 19767d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek void Profile(llvm::FoldingSetNodeID &ID) const; 19867d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek 19967d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek static bool classof(const MemRegion *R) { 20067d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek Kind k = R->getKind(); 20167d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek return k >= BEG_MEMSPACES && k <= END_MEMSPACES; 202a43484afda4c4fb4b23a53a2dc91d985d39dc2c4Ted Kremenek } 20367d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek}; 20467d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek 20567d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenekclass GlobalsSpaceRegion : public MemSpaceRegion { 20699ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie virtual void anchor(); 207dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenekprotected: 208dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek GlobalsSpaceRegion(MemRegionManager *mgr, Kind k) 209dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek : MemSpaceRegion(mgr, k) {} 210dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenekpublic: 211dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek static bool classof(const MemRegion *R) { 212dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek Kind k = R->getKind(); 213dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek return k >= BEG_GLOBAL_MEMSPACES && k <= END_GLOBAL_MEMSPACES; 214dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek } 215dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek}; 216eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks 217914edfbb07c34d8cad8d0451193b4f9dd02a2d5aDavid Blaikie/// \brief The region of the static variables within the current CodeTextRegion 218eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks/// scope. 219914edfbb07c34d8cad8d0451193b4f9dd02a2d5aDavid Blaikie/// 220eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks/// Currently, only the static locals are placed there, so we know that these 221eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks/// variables do not get invalidated by calls to other functions. 222dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenekclass StaticGlobalSpaceRegion : public GlobalsSpaceRegion { 22367d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek friend class MemRegionManager; 224a43484afda4c4fb4b23a53a2dc91d985d39dc2c4Ted Kremenek 225dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek const CodeTextRegion *CR; 226dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek 227dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek StaticGlobalSpaceRegion(MemRegionManager *mgr, const CodeTextRegion *cr) 228dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek : GlobalsSpaceRegion(mgr, StaticGlobalSpaceRegionKind), CR(cr) {} 229dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek 230dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenekpublic: 231dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) const; 232dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek 2339c378f705405d37f49795d5e915989de774fe11fTed Kremenek void dumpToStream(raw_ostream &os) const; 234fa87d812d7c78d7f0cd1c5636e21e07c23c85341Ted Kremenek 235dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek const CodeTextRegion *getCodeRegion() const { return CR; } 236dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek 237dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek static bool classof(const MemRegion *R) { 238dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek return R->getKind() == StaticGlobalSpaceRegionKind; 239dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek } 240dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek}; 241eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks 242914edfbb07c34d8cad8d0451193b4f9dd02a2d5aDavid Blaikie/// \brief The region for all the non-static global variables. 243eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks/// 244eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks/// This class is further split into subclasses for efficient implementation of 245eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks/// invalidating a set of related global values as is done in 246eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks/// RegionStoreManager::invalidateRegions (instead of finding all the dependent 247eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks/// globals, we invalidate the whole parent region). 248dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenekclass NonStaticGlobalSpaceRegion : public GlobalsSpaceRegion { 249dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek friend class MemRegionManager; 250dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek 251eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaksprotected: 252eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks NonStaticGlobalSpaceRegion(MemRegionManager *mgr, Kind k) 253eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks : GlobalsSpaceRegion(mgr, k) {} 254dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek 2559e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenekpublic: 256fa87d812d7c78d7f0cd1c5636e21e07c23c85341Ted Kremenek 25767d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek static bool classof(const MemRegion *R) { 258eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks Kind k = R->getKind(); 259eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks return k >= BEG_NON_STATIC_GLOBAL_MEMSPACES && 260eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks k <= END_NON_STATIC_GLOBAL_MEMSPACES; 26167d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek } 26267d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek}; 263eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks 264914edfbb07c34d8cad8d0451193b4f9dd02a2d5aDavid Blaikie/// \brief The region containing globals which are defined in system/external 265eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks/// headers and are considered modifiable by system calls (ex: errno). 266eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaksclass GlobalSystemSpaceRegion : public NonStaticGlobalSpaceRegion { 267eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks friend class MemRegionManager; 268eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks 269eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks GlobalSystemSpaceRegion(MemRegionManager *mgr) 270eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks : NonStaticGlobalSpaceRegion(mgr, GlobalSystemSpaceRegionKind) {} 271eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks 272eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zakspublic: 273eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks 274eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks void dumpToStream(raw_ostream &os) const; 275eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks 276eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks static bool classof(const MemRegion *R) { 277eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks return R->getKind() == GlobalSystemSpaceRegionKind; 278eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks } 279eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks}; 280eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks 281914edfbb07c34d8cad8d0451193b4f9dd02a2d5aDavid Blaikie/// \brief The region containing globals which are considered not to be modified 282eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks/// or point to data which could be modified as a result of a function call 283eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks/// (system or internal). Ex: Const global scalars would be modeled as part of 284eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks/// this region. This region also includes most system globals since they have 285eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks/// low chance of being modified. 286eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaksclass GlobalImmutableSpaceRegion : public NonStaticGlobalSpaceRegion { 287eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks friend class MemRegionManager; 288eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks 289eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks GlobalImmutableSpaceRegion(MemRegionManager *mgr) 290eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks : NonStaticGlobalSpaceRegion(mgr, GlobalImmutableSpaceRegionKind) {} 291eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks 292eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zakspublic: 293eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks 294eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks void dumpToStream(raw_ostream &os) const; 295eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks 296eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks static bool classof(const MemRegion *R) { 297eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks return R->getKind() == GlobalImmutableSpaceRegionKind; 298eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks } 299eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks}; 300eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks 301914edfbb07c34d8cad8d0451193b4f9dd02a2d5aDavid Blaikie/// \brief The region containing globals which can be modified by calls to 302eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks/// "internally" defined functions - (for now just) functions other then system 303eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks/// calls. 304eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaksclass GlobalInternalSpaceRegion : public NonStaticGlobalSpaceRegion { 305eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks friend class MemRegionManager; 306eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks 307eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks GlobalInternalSpaceRegion(MemRegionManager *mgr) 308eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks : NonStaticGlobalSpaceRegion(mgr, GlobalInternalSpaceRegionKind) {} 309eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks 310eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zakspublic: 311eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks 312eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks void dumpToStream(raw_ostream &os) const; 313eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks 314eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks static bool classof(const MemRegion *R) { 315eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks return R->getKind() == GlobalInternalSpaceRegionKind; 316eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks } 317eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks}; 318eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks 31967d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenekclass HeapSpaceRegion : public MemSpaceRegion { 32099ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie virtual void anchor(); 32167d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek friend class MemRegionManager; 32267d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek 32367d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek HeapSpaceRegion(MemRegionManager *mgr) 32467d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek : MemSpaceRegion(mgr, HeapSpaceRegionKind) {} 32567d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenekpublic: 32636397dc6c1bf1513a3bac4eabe9209e5b2295a55Jordan Rose 32736397dc6c1bf1513a3bac4eabe9209e5b2295a55Jordan Rose void dumpToStream(raw_ostream &os) const; 32836397dc6c1bf1513a3bac4eabe9209e5b2295a55Jordan Rose 32967d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek static bool classof(const MemRegion *R) { 33067d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek return R->getKind() == HeapSpaceRegionKind; 33167d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek } 33267d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek}; 33367d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek 3342b87ae45e129b941d0a4d221c9d4842385a119bdTed Kremenekclass UnknownSpaceRegion : public MemSpaceRegion { 33599ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie virtual void anchor(); 3362b87ae45e129b941d0a4d221c9d4842385a119bdTed Kremenek friend class MemRegionManager; 3372b87ae45e129b941d0a4d221c9d4842385a119bdTed Kremenek UnknownSpaceRegion(MemRegionManager *mgr) 3382b87ae45e129b941d0a4d221c9d4842385a119bdTed Kremenek : MemSpaceRegion(mgr, UnknownSpaceRegionKind) {} 3392b87ae45e129b941d0a4d221c9d4842385a119bdTed Kremenekpublic: 34036397dc6c1bf1513a3bac4eabe9209e5b2295a55Jordan Rose 34136397dc6c1bf1513a3bac4eabe9209e5b2295a55Jordan Rose void dumpToStream(raw_ostream &os) const; 34236397dc6c1bf1513a3bac4eabe9209e5b2295a55Jordan Rose 3432b87ae45e129b941d0a4d221c9d4842385a119bdTed Kremenek static bool classof(const MemRegion *R) { 3442b87ae45e129b941d0a4d221c9d4842385a119bdTed Kremenek return R->getKind() == UnknownSpaceRegionKind; 3452b87ae45e129b941d0a4d221c9d4842385a119bdTed Kremenek } 3462b87ae45e129b941d0a4d221c9d4842385a119bdTed Kremenek}; 3472b87ae45e129b941d0a4d221c9d4842385a119bdTed Kremenek 34867d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenekclass StackSpaceRegion : public MemSpaceRegion { 34967d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenekprivate: 35067d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek const StackFrameContext *SFC; 3519e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek 35267d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenekprotected: 35367d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek StackSpaceRegion(MemRegionManager *mgr, Kind k, const StackFrameContext *sfc) 35467d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek : MemSpaceRegion(mgr, k), SFC(sfc) { 35567d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek assert(classof(this)); 35667d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek } 35741168eac256fed59ec5406a75fce91c59cd5dd91Ted Kremenek 35867d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenekpublic: 35967d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek const StackFrameContext *getStackFrame() const { return SFC; } 36067d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek 36167d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek void Profile(llvm::FoldingSetNodeID &ID) const; 36267d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek 36367d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek static bool classof(const MemRegion *R) { 36467d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek Kind k = R->getKind(); 36567d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek return k >= StackLocalsSpaceRegionKind && 36667d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek k <= StackArgumentsSpaceRegionKind; 36767d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek } 36867d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek}; 36967d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek 37067d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenekclass StackLocalsSpaceRegion : public StackSpaceRegion { 37199ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie virtual void anchor(); 37267d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek friend class MemRegionManager; 37367d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek StackLocalsSpaceRegion(MemRegionManager *mgr, const StackFrameContext *sfc) 37467d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek : StackSpaceRegion(mgr, StackLocalsSpaceRegionKind, sfc) {} 37567d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenekpublic: 37636397dc6c1bf1513a3bac4eabe9209e5b2295a55Jordan Rose 37736397dc6c1bf1513a3bac4eabe9209e5b2295a55Jordan Rose void dumpToStream(raw_ostream &os) const; 37836397dc6c1bf1513a3bac4eabe9209e5b2295a55Jordan Rose 37967d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek static bool classof(const MemRegion *R) { 38067d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek return R->getKind() == StackLocalsSpaceRegionKind; 38167d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek } 38267d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek}; 38367d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek 38467d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenekclass StackArgumentsSpaceRegion : public StackSpaceRegion { 38567d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenekprivate: 38699ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie virtual void anchor(); 38767d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek friend class MemRegionManager; 38867d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek StackArgumentsSpaceRegion(MemRegionManager *mgr, const StackFrameContext *sfc) 38967d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek : StackSpaceRegion(mgr, StackArgumentsSpaceRegionKind, sfc) {} 39067d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenekpublic: 39136397dc6c1bf1513a3bac4eabe9209e5b2295a55Jordan Rose 39236397dc6c1bf1513a3bac4eabe9209e5b2295a55Jordan Rose void dumpToStream(raw_ostream &os) const; 39336397dc6c1bf1513a3bac4eabe9209e5b2295a55Jordan Rose 39467d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek static bool classof(const MemRegion *R) { 39567d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek return R->getKind() == StackArgumentsSpaceRegionKind; 3969e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek } 3979e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek}; 3989e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek 3997caf9b369cba6edaf6eac25121cbc65ee938f14dZhongxing Xu 400993f1c72913417be7c534ec7a634363cdfc84fa5Ted Kremenek/// SubRegion - A region that subsets another larger region. Most regions 401993f1c72913417be7c534ec7a634363cdfc84fa5Ted Kremenek/// are subclasses of SubRegion. 402993f1c72913417be7c534ec7a634363cdfc84fa5Ted Kremenekclass SubRegion : public MemRegion { 40399ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikieprivate: 40499ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie virtual void anchor(); 4059e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenekprotected: 4061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const MemRegion* superRegion; 407993f1c72913417be7c534ec7a634363cdfc84fa5Ted Kremenek SubRegion(const MemRegion* sReg, Kind k) : MemRegion(k), superRegion(sReg) {} 4089e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenekpublic: 4099e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek const MemRegion* getSuperRegion() const { 4109e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek return superRegion; 4119e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek } 4121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41332f2656b90900ac04c4b50e87c16749d0ceb9ef2Jordy Rose /// getExtent - Returns the size of the region in bytes. 414c8413fd03f73084a5c93028f8b4db619fc388087Ted Kremenek virtual DefinedOrUnknownSVal getExtent(SValBuilder &svalBuilder) const { 41532f2656b90900ac04c4b50e87c16749d0ceb9ef2Jordy Rose return UnknownVal(); 41632f2656b90900ac04c4b50e87c16749d0ceb9ef2Jordy Rose } 41732f2656b90900ac04c4b50e87c16749d0ceb9ef2Jordy Rose 418a43484afda4c4fb4b23a53a2dc91d985d39dc2c4Ted Kremenek MemRegionManager* getMemRegionManager() const; 4191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4205f7c0add1ea1d8e1d2f920d77fd1a7b6160c2d93Anna Zaks virtual bool isSubRegionOf(const MemRegion* R) const; 4211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4229e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek static bool classof(const MemRegion* R) { 42367d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek return R->getKind() > END_MEMSPACES; 424993f1c72913417be7c534ec7a634363cdfc84fa5Ted Kremenek } 425993f1c72913417be7c534ec7a634363cdfc84fa5Ted Kremenek}; 4261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42719e1f0ba5cec738ce6cebe3fe0e1edc782206494Ted Kremenek//===----------------------------------------------------------------------===// 42819e1f0ba5cec738ce6cebe3fe0e1edc782206494Ted Kremenek// MemRegion subclasses. 4291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump//===----------------------------------------------------------------------===// 430ec13d9206645af07ef7c571405893b8d901de151Zhongxing Xu 43182bd99f4db2454cc6e1b7bfaac6db25cb3444ddcTed Kremenek/// AllocaRegion - A region that represents an untyped blob of bytes created 43282bd99f4db2454cc6e1b7bfaac6db25cb3444ddcTed Kremenek/// by a call to 'alloca'. 43382bd99f4db2454cc6e1b7bfaac6db25cb3444ddcTed Kremenekclass AllocaRegion : public SubRegion { 43482bd99f4db2454cc6e1b7bfaac6db25cb3444ddcTed Kremenek friend class MemRegionManager; 43582bd99f4db2454cc6e1b7bfaac6db25cb3444ddcTed Kremenekprotected: 43682bd99f4db2454cc6e1b7bfaac6db25cb3444ddcTed Kremenek unsigned Cnt; // Block counter. Used to distinguish different pieces of 43782bd99f4db2454cc6e1b7bfaac6db25cb3444ddcTed Kremenek // memory allocated by alloca at the same call site. 4389c378f705405d37f49795d5e915989de774fe11fTed Kremenek const Expr *Ex; 43982bd99f4db2454cc6e1b7bfaac6db25cb3444ddcTed Kremenek 4409c378f705405d37f49795d5e915989de774fe11fTed Kremenek AllocaRegion(const Expr *ex, unsigned cnt, const MemRegion *superRegion) 44182bd99f4db2454cc6e1b7bfaac6db25cb3444ddcTed Kremenek : SubRegion(superRegion, AllocaRegionKind), Cnt(cnt), Ex(ex) {} 4421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44382bd99f4db2454cc6e1b7bfaac6db25cb3444ddcTed Kremenekpublic: 4441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4459c378f705405d37f49795d5e915989de774fe11fTed Kremenek const Expr *getExpr() const { return Ex; } 4469852b5bf94d4934de63da6356c651c61e81f58d9Zhongxing Xu 4479852b5bf94d4934de63da6356c651c61e81f58d9Zhongxing Xu bool isBoundable() const { return true; } 4489852b5bf94d4934de63da6356c651c61e81f58d9Zhongxing Xu 449c8413fd03f73084a5c93028f8b4db619fc388087Ted Kremenek DefinedOrUnknownSVal getExtent(SValBuilder &svalBuilder) const; 45032f2656b90900ac04c4b50e87c16749d0ceb9ef2Jordy Rose 45182bd99f4db2454cc6e1b7bfaac6db25cb3444ddcTed Kremenek void Profile(llvm::FoldingSetNodeID& ID) const; 45282bd99f4db2454cc6e1b7bfaac6db25cb3444ddcTed Kremenek 4539c378f705405d37f49795d5e915989de774fe11fTed Kremenek static void ProfileRegion(llvm::FoldingSetNodeID& ID, const Expr *Ex, 4547ae7ad9951f032d0a33b64c964f7cdcb9cc6f59bTed Kremenek unsigned Cnt, const MemRegion *superRegion); 4551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4569c378f705405d37f49795d5e915989de774fe11fTed Kremenek void dumpToStream(raw_ostream &os) const; 4571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45882bd99f4db2454cc6e1b7bfaac6db25cb3444ddcTed Kremenek static bool classof(const MemRegion* R) { 45982bd99f4db2454cc6e1b7bfaac6db25cb3444ddcTed Kremenek return R->getKind() == AllocaRegionKind; 46082bd99f4db2454cc6e1b7bfaac6db25cb3444ddcTed Kremenek } 4611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump}; 4621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 463993f1c72913417be7c534ec7a634363cdfc84fa5Ted Kremenek/// TypedRegion - An abstract class representing regions that are typed. 464993f1c72913417be7c534ec7a634363cdfc84fa5Ted Kremenekclass TypedRegion : public SubRegion { 46599ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikiepublic: 46699ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie virtual void anchor(); 467993f1c72913417be7c534ec7a634363cdfc84fa5Ted Kremenekprotected: 468993f1c72913417be7c534ec7a634363cdfc84fa5Ted Kremenek TypedRegion(const MemRegion* sReg, Kind k) : SubRegion(sReg, k) {} 4691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 470993f1c72913417be7c534ec7a634363cdfc84fa5Ted Kremenekpublic: 4719697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenek virtual QualType getLocationType() const = 0; 4729697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenek 4739697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenek QualType getDesugaredLocationType(ASTContext &Context) const { 4749697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenek return getLocationType().getDesugaredType(Context); 4759697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenek } 4769697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenek 4779697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenek bool isBoundable() const { return true; } 4789697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenek 4799697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenek static bool classof(const MemRegion* R) { 4809697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenek unsigned k = R->getKind(); 4819697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenek return k >= BEG_TYPED_REGIONS && k <= END_TYPED_REGIONS; 4829697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenek } 4839697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenek}; 4849697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenek 4859697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenek/// TypedValueRegion - An abstract class representing regions having a typed value. 4869697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenekclass TypedValueRegion : public TypedRegion { 48799ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikiepublic: 48899ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie virtual void anchor(); 4899697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenekprotected: 4909697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenek TypedValueRegion(const MemRegion* sReg, Kind k) : TypedRegion(sReg, k) {} 4919697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenek 4929697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenekpublic: 493018220c343c103b7dfaa117a7a474c7a7fd6d068Zhongxing Xu virtual QualType getValueType() const = 0; 4941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 495018220c343c103b7dfaa117a7a474c7a7fd6d068Zhongxing Xu virtual QualType getLocationType() const { 4966eddeb153415049c7b62de4b45385a759a6906c6Ted Kremenek // FIXME: We can possibly optimize this later to cache this value. 497a6b0b96e5376cd9cf182a3e240e0537feed43cdeTed Kremenek QualType T = getValueType(); 498a6b0b96e5376cd9cf182a3e240e0537feed43cdeTed Kremenek ASTContext &ctx = getContext(); 499a6b0b96e5376cd9cf182a3e240e0537feed43cdeTed Kremenek if (T->getAs<ObjCObjectType>()) 500a6b0b96e5376cd9cf182a3e240e0537feed43cdeTed Kremenek return ctx.getObjCObjectPointerType(T); 501a6b0b96e5376cd9cf182a3e240e0537feed43cdeTed Kremenek return ctx.getPointerType(getValueType()); 5026eddeb153415049c7b62de4b45385a759a6906c6Ted Kremenek } 5031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType getDesugaredValueType(ASTContext &Context) const { 505018220c343c103b7dfaa117a7a474c7a7fd6d068Zhongxing Xu QualType T = getValueType(); 5061ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor return T.getTypePtrOrNull() ? T.getDesugaredType(Context) : T; 50714553abd17d303b0b310b3ab1523eb0d30d8121cTed Kremenek } 5081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 509e0d24eb1060a213ec9820dc02c45f26b2d5b348bJordan Rose DefinedOrUnknownSVal getExtent(SValBuilder &svalBuilder) const; 510e0d24eb1060a213ec9820dc02c45f26b2d5b348bJordan Rose 511993f1c72913417be7c534ec7a634363cdfc84fa5Ted Kremenek static bool classof(const MemRegion* R) { 5129e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek unsigned k = R->getKind(); 5139697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenek return k >= BEG_TYPED_VALUE_REGIONS && k <= END_TYPED_VALUE_REGIONS; 5149e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek } 5159e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek}; 5169e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek 517ec13d9206645af07ef7c571405893b8d901de151Zhongxing Xu 518eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenekclass CodeTextRegion : public TypedRegion { 51999ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikiepublic: 52099ba9e3bd70671f3441fb974895f226a83ce0e66David Blaikie virtual void anchor(); 521eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenekprotected: 522eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek CodeTextRegion(const MemRegion *sreg, Kind k) : TypedRegion(sreg, k) {} 523ec13d9206645af07ef7c571405893b8d901de151Zhongxing Xupublic: 524eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek bool isBoundable() const { return false; } 525eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek 526eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek static bool classof(const MemRegion* R) { 527eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek Kind k = R->getKind(); 528eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek return k >= FunctionTextRegionKind && k <= BlockTextRegionKind; 529eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek } 530eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek}; 531ec13d9206645af07ef7c571405893b8d901de151Zhongxing Xu 532eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek/// FunctionTextRegion - A region that represents code texts of function. 533eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenekclass FunctionTextRegion : public CodeTextRegion { 5345fc1d0c4532c55cc47ba6628f296bf5b86d2eaf0Anna Zaks const NamedDecl *FD; 535eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenekpublic: 5365fc1d0c4532c55cc47ba6628f296bf5b86d2eaf0Anna Zaks FunctionTextRegion(const NamedDecl *fd, const MemRegion* sreg) 5375fc1d0c4532c55cc47ba6628f296bf5b86d2eaf0Anna Zaks : CodeTextRegion(sreg, FunctionTextRegionKind), FD(fd) { 5385fc1d0c4532c55cc47ba6628f296bf5b86d2eaf0Anna Zaks assert(isa<ObjCMethodDecl>(fd) || isa<FunctionDecl>(fd)); 5395fc1d0c4532c55cc47ba6628f296bf5b86d2eaf0Anna Zaks } 540eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek 541018220c343c103b7dfaa117a7a474c7a7fd6d068Zhongxing Xu QualType getLocationType() const { 5425fc1d0c4532c55cc47ba6628f296bf5b86d2eaf0Anna Zaks const ASTContext &Ctx = getContext(); 5435fc1d0c4532c55cc47ba6628f296bf5b86d2eaf0Anna Zaks if (const FunctionDecl *D = dyn_cast<FunctionDecl>(FD)) { 5445fc1d0c4532c55cc47ba6628f296bf5b86d2eaf0Anna Zaks return Ctx.getPointerType(D->getType()); 5455fc1d0c4532c55cc47ba6628f296bf5b86d2eaf0Anna Zaks } 5465fc1d0c4532c55cc47ba6628f296bf5b86d2eaf0Anna Zaks 5475fc1d0c4532c55cc47ba6628f296bf5b86d2eaf0Anna Zaks assert(isa<ObjCMethodDecl>(FD)); 5485fc1d0c4532c55cc47ba6628f296bf5b86d2eaf0Anna Zaks assert(false && "Getting the type of ObjCMethod is not supported yet"); 5495fc1d0c4532c55cc47ba6628f296bf5b86d2eaf0Anna Zaks 5505fc1d0c4532c55cc47ba6628f296bf5b86d2eaf0Anna Zaks // TODO: We might want to return a different type here (ex: id (*ty)(...)) 5515fc1d0c4532c55cc47ba6628f296bf5b86d2eaf0Anna Zaks // depending on how it is used. 5525fc1d0c4532c55cc47ba6628f296bf5b86d2eaf0Anna Zaks return QualType(); 553ec13d9206645af07ef7c571405893b8d901de151Zhongxing Xu } 5545fc1d0c4532c55cc47ba6628f296bf5b86d2eaf0Anna Zaks 5555fc1d0c4532c55cc47ba6628f296bf5b86d2eaf0Anna Zaks const NamedDecl *getDecl() const { 556abd46e13cfd48f2c9bf26d9759edb4366aaa6d5bTed Kremenek return FD; 55772e032004b0d2c2c298e8e4f7027f23a21c0cc7dTed Kremenek } 558eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek 5599c378f705405d37f49795d5e915989de774fe11fTed Kremenek virtual void dumpToStream(raw_ostream &os) const; 560eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek 561ec13d9206645af07ef7c571405893b8d901de151Zhongxing Xu void Profile(llvm::FoldingSetNodeID& ID) const; 562eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek 5635fc1d0c4532c55cc47ba6628f296bf5b86d2eaf0Anna Zaks static void ProfileRegion(llvm::FoldingSetNodeID& ID, const NamedDecl *FD, 564abd46e13cfd48f2c9bf26d9759edb4366aaa6d5bTed Kremenek const MemRegion*); 565eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek 566ec13d9206645af07ef7c571405893b8d901de151Zhongxing Xu static bool classof(const MemRegion* R) { 567eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek return R->getKind() == FunctionTextRegionKind; 568eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek } 569eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek}; 570eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek 571eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek 572eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek/// BlockTextRegion - A region that represents code texts of blocks (closures). 5730a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek/// Blocks are represented with two kinds of regions. BlockTextRegions 5740a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek/// represent the "code", while BlockDataRegions represent instances of blocks, 5750a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek/// which correspond to "code+data". The distinction is important, because 5760a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek/// like a closure a block captures the values of externally referenced 5770a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek/// variables. 578eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenekclass BlockTextRegion : public CodeTextRegion { 57967d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek friend class MemRegionManager; 58067d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek 581eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek const BlockDecl *BD; 5821d26f48dc2eea1c07431ca1519d7034a21b9bcffTed Kremenek AnalysisDeclContext *AC; 583eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek CanQualType locTy; 58467d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek 58567d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek BlockTextRegion(const BlockDecl *bd, CanQualType lTy, 5861d26f48dc2eea1c07431ca1519d7034a21b9bcffTed Kremenek AnalysisDeclContext *ac, const MemRegion* sreg) 58767d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek : CodeTextRegion(sreg, BlockTextRegionKind), BD(bd), AC(ac), locTy(lTy) {} 58867d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek 58967d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenekpublic: 590018220c343c103b7dfaa117a7a474c7a7fd6d068Zhongxing Xu QualType getLocationType() const { 591eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek return locTy; 592eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek } 593eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek 594eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek const BlockDecl *getDecl() const { 595eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek return BD; 596eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek } 59767d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek 5981d26f48dc2eea1c07431ca1519d7034a21b9bcffTed Kremenek AnalysisDeclContext *getAnalysisDeclContext() const { return AC; } 599eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek 6009c378f705405d37f49795d5e915989de774fe11fTed Kremenek virtual void dumpToStream(raw_ostream &os) const; 601eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek 602eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek void Profile(llvm::FoldingSetNodeID& ID) const; 603eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek 604eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek static void ProfileRegion(llvm::FoldingSetNodeID& ID, const BlockDecl *BD, 6051d26f48dc2eea1c07431ca1519d7034a21b9bcffTed Kremenek CanQualType, const AnalysisDeclContext*, 60667d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek const MemRegion*); 607eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek 608eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek static bool classof(const MemRegion* R) { 609eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek return R->getKind() == BlockTextRegionKind; 610ec13d9206645af07ef7c571405893b8d901de151Zhongxing Xu } 611ec13d9206645af07ef7c571405893b8d901de151Zhongxing Xu}; 6120a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek 6130a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek/// BlockDataRegion - A region that represents a block instance. 6140a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek/// Blocks are represented with two kinds of regions. BlockTextRegions 6150a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek/// represent the "code", while BlockDataRegions represent instances of blocks, 6160a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek/// which correspond to "code+data". The distinction is important, because 6170a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek/// like a closure a block captures the values of externally referenced 6180a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek/// variables. 6198ecf59afbab1dbf184dc4c0c47e7213cbd32ba0aJordan Roseclass BlockDataRegion : public TypedRegion { 62067d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek friend class MemRegionManager; 6210a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek const BlockTextRegion *BC; 62267d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek const LocationContext *LC; // Can be null */ 6234240096011a187807058f887eb81df750ffa17feTed Kremenek void *ReferencedVars; 62485d87df66a50a15a1957f7213802000b451a8ec9Ted Kremenek void *OriginalVars; 62567d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek 62667d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek BlockDataRegion(const BlockTextRegion *bc, const LocationContext *lc, 6270a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek const MemRegion *sreg) 6288ecf59afbab1dbf184dc4c0c47e7213cbd32ba0aJordan Rose : TypedRegion(sreg, BlockDataRegionKind), BC(bc), LC(lc), 62985d87df66a50a15a1957f7213802000b451a8ec9Ted Kremenek ReferencedVars(0), OriginalVars(0) {} 6300a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek 63185d87df66a50a15a1957f7213802000b451a8ec9Ted Kremenekpublic: 6320a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek const BlockTextRegion *getCodeRegion() const { return BC; } 6334240096011a187807058f887eb81df750ffa17feTed Kremenek 634d02e83a548359df978f40cc1a52ffd78b7ef371bTed Kremenek const BlockDecl *getDecl() const { return BC->getDecl(); } 6358ecf59afbab1dbf184dc4c0c47e7213cbd32ba0aJordan Rose 6368ecf59afbab1dbf184dc4c0c47e7213cbd32ba0aJordan Rose QualType getLocationType() const { return BC->getLocationType(); } 637d02e83a548359df978f40cc1a52ffd78b7ef371bTed Kremenek 63881cef5889027d0f96b24afa7a0bb28d9023474edTed Kremenek class referenced_vars_iterator { 63981cef5889027d0f96b24afa7a0bb28d9023474edTed Kremenek const MemRegion * const *R; 64085d87df66a50a15a1957f7213802000b451a8ec9Ted Kremenek const MemRegion * const *OriginalR; 64181cef5889027d0f96b24afa7a0bb28d9023474edTed Kremenek public: 64285d87df66a50a15a1957f7213802000b451a8ec9Ted Kremenek explicit referenced_vars_iterator(const MemRegion * const *r, 64385d87df66a50a15a1957f7213802000b451a8ec9Ted Kremenek const MemRegion * const *originalR) 64485d87df66a50a15a1957f7213802000b451a8ec9Ted Kremenek : R(r), OriginalR(originalR) {} 64585d87df66a50a15a1957f7213802000b451a8ec9Ted Kremenek 646e3ce2c10c3f6ae7b26700d758de909deab190d42Ted Kremenek const VarRegion *getCapturedRegion() const { 64781cef5889027d0f96b24afa7a0bb28d9023474edTed Kremenek return cast<VarRegion>(*R); 64881cef5889027d0f96b24afa7a0bb28d9023474edTed Kremenek } 649e3ce2c10c3f6ae7b26700d758de909deab190d42Ted Kremenek const VarRegion *getOriginalRegion() const { 650e3ce2c10c3f6ae7b26700d758de909deab190d42Ted Kremenek return cast<VarRegion>(*OriginalR); 651e3ce2c10c3f6ae7b26700d758de909deab190d42Ted Kremenek } 652e3ce2c10c3f6ae7b26700d758de909deab190d42Ted Kremenek 65381cef5889027d0f96b24afa7a0bb28d9023474edTed Kremenek bool operator==(const referenced_vars_iterator &I) const { 65481cef5889027d0f96b24afa7a0bb28d9023474edTed Kremenek return I.R == R; 65581cef5889027d0f96b24afa7a0bb28d9023474edTed Kremenek } 65681cef5889027d0f96b24afa7a0bb28d9023474edTed Kremenek bool operator!=(const referenced_vars_iterator &I) const { 65781cef5889027d0f96b24afa7a0bb28d9023474edTed Kremenek return I.R != R; 65881cef5889027d0f96b24afa7a0bb28d9023474edTed Kremenek } 6599c378f705405d37f49795d5e915989de774fe11fTed Kremenek referenced_vars_iterator &operator++() { 66081cef5889027d0f96b24afa7a0bb28d9023474edTed Kremenek ++R; 66185d87df66a50a15a1957f7213802000b451a8ec9Ted Kremenek ++OriginalR; 66281cef5889027d0f96b24afa7a0bb28d9023474edTed Kremenek return *this; 66381cef5889027d0f96b24afa7a0bb28d9023474edTed Kremenek } 66481cef5889027d0f96b24afa7a0bb28d9023474edTed Kremenek }; 6655846720f08a6b225484bfe663599c2b057a99bc8Ted Kremenek 6665846720f08a6b225484bfe663599c2b057a99bc8Ted Kremenek /// Return the original region for a captured region, if 6675846720f08a6b225484bfe663599c2b057a99bc8Ted Kremenek /// one exists. 6685846720f08a6b225484bfe663599c2b057a99bc8Ted Kremenek const VarRegion *getOriginalRegion(const VarRegion *VR) const; 66981cef5889027d0f96b24afa7a0bb28d9023474edTed Kremenek 6704240096011a187807058f887eb81df750ffa17feTed Kremenek referenced_vars_iterator referenced_vars_begin() const; 6714240096011a187807058f887eb81df750ffa17feTed Kremenek referenced_vars_iterator referenced_vars_end() const; 6720a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek 6739c378f705405d37f49795d5e915989de774fe11fTed Kremenek virtual void dumpToStream(raw_ostream &os) const; 6740a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek 6750a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek void Profile(llvm::FoldingSetNodeID& ID) const; 6760a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek 67767d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek static void ProfileRegion(llvm::FoldingSetNodeID&, const BlockTextRegion *, 67867d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek const LocationContext *, const MemRegion *); 6790a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek 6800a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek static bool classof(const MemRegion* R) { 6810a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek return R->getKind() == BlockDataRegionKind; 6820a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek } 6834240096011a187807058f887eb81df750ffa17feTed Kremenekprivate: 6844240096011a187807058f887eb81df750ffa17feTed Kremenek void LazyInitializeReferencedVars(); 68524570c4c258545f8310e4bc96503a5668982cf67Ted Kremenek std::pair<const VarRegion *, const VarRegion *> 68624570c4c258545f8310e4bc96503a5668982cf67Ted Kremenek getCaptureRegions(const VarDecl *VD); 6870a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek}; 688ec13d9206645af07ef7c571405893b8d901de151Zhongxing Xu 689026c66395b88a09437319139a43b090093f7e1ddZhongxing Xu/// SymbolicRegion - A special, "non-concrete" region. Unlike other region 690026c66395b88a09437319139a43b090093f7e1ddZhongxing Xu/// clases, SymbolicRegion represents a region that serves as an alias for 691026c66395b88a09437319139a43b090093f7e1ddZhongxing Xu/// either a real region, a NULL pointer, etc. It essentially is used to 692026c66395b88a09437319139a43b090093f7e1ddZhongxing Xu/// map the concept of symbolic values into the domain of regions. Symbolic 693026c66395b88a09437319139a43b090093f7e1ddZhongxing Xu/// regions do not need to be typed. 694e8e86482da4c1872673bbb9c237649229d19793bTed Kremenekclass SymbolicRegion : public SubRegion { 695026c66395b88a09437319139a43b090093f7e1ddZhongxing Xuprotected: 696026c66395b88a09437319139a43b090093f7e1ddZhongxing Xu const SymbolRef sym; 697026c66395b88a09437319139a43b090093f7e1ddZhongxing Xu 698026c66395b88a09437319139a43b090093f7e1ddZhongxing Xupublic: 6991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SymbolicRegion(const SymbolRef s, const MemRegion* sreg) 700e8e86482da4c1872673bbb9c237649229d19793bTed Kremenek : SubRegion(sreg, SymbolicRegionKind), sym(s) {} 7011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 702026c66395b88a09437319139a43b090093f7e1ddZhongxing Xu SymbolRef getSymbol() const { 703026c66395b88a09437319139a43b090093f7e1ddZhongxing Xu return sym; 704026c66395b88a09437319139a43b090093f7e1ddZhongxing Xu } 705026c66395b88a09437319139a43b090093f7e1ddZhongxing Xu 7069852b5bf94d4934de63da6356c651c61e81f58d9Zhongxing Xu bool isBoundable() const { return true; } 7079852b5bf94d4934de63da6356c651c61e81f58d9Zhongxing Xu 708c8413fd03f73084a5c93028f8b4db619fc388087Ted Kremenek DefinedOrUnknownSVal getExtent(SValBuilder &svalBuilder) const; 70932f2656b90900ac04c4b50e87c16749d0ceb9ef2Jordy Rose 710026c66395b88a09437319139a43b090093f7e1ddZhongxing Xu void Profile(llvm::FoldingSetNodeID& ID) const; 711026c66395b88a09437319139a43b090093f7e1ddZhongxing Xu 712250101353b711a409b075f1bc11070dddec7100bTed Kremenek static void ProfileRegion(llvm::FoldingSetNodeID& ID, 713250101353b711a409b075f1bc11070dddec7100bTed Kremenek SymbolRef sym, 714250101353b711a409b075f1bc11070dddec7100bTed Kremenek const MemRegion* superRegion); 7151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7169c378f705405d37f49795d5e915989de774fe11fTed Kremenek void dumpToStream(raw_ostream &os) const; 7171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 718026c66395b88a09437319139a43b090093f7e1ddZhongxing Xu static bool classof(const MemRegion* R) { 719026c66395b88a09437319139a43b090093f7e1ddZhongxing Xu return R->getKind() == SymbolicRegionKind; 720026c66395b88a09437319139a43b090093f7e1ddZhongxing Xu } 7211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump}; 722026c66395b88a09437319139a43b090093f7e1ddZhongxing Xu 723e9f4e5420895a75dd788e9891921e7781c1823b9Zhongxing Xu/// StringRegion - Region associated with a StringLiteral. 7249697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenekclass StringRegion : public TypedValueRegion { 725e9f4e5420895a75dd788e9891921e7781c1823b9Zhongxing Xu friend class MemRegionManager; 726e9f4e5420895a75dd788e9891921e7781c1823b9Zhongxing Xu const StringLiteral* Str; 727e9f4e5420895a75dd788e9891921e7781c1823b9Zhongxing Xuprotected: 728e9f4e5420895a75dd788e9891921e7781c1823b9Zhongxing Xu 729250101353b711a409b075f1bc11070dddec7100bTed Kremenek StringRegion(const StringLiteral* str, const MemRegion* sreg) 7309697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenek : TypedValueRegion(sreg, StringRegionKind), Str(str) {} 731e9f4e5420895a75dd788e9891921e7781c1823b9Zhongxing Xu 732e9f4e5420895a75dd788e9891921e7781c1823b9Zhongxing Xu static void ProfileRegion(llvm::FoldingSetNodeID& ID, 733e9f4e5420895a75dd788e9891921e7781c1823b9Zhongxing Xu const StringLiteral* Str, 734e9f4e5420895a75dd788e9891921e7781c1823b9Zhongxing Xu const MemRegion* superRegion); 735e9f4e5420895a75dd788e9891921e7781c1823b9Zhongxing Xu 736e9f4e5420895a75dd788e9891921e7781c1823b9Zhongxing Xupublic: 7376613d08a19aa6ce9b6330487f3bfac841d4b8a4dZhongxing Xu 7386613d08a19aa6ce9b6330487f3bfac841d4b8a4dZhongxing Xu const StringLiteral* getStringLiteral() const { return Str; } 7391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 740018220c343c103b7dfaa117a7a474c7a7fd6d068Zhongxing Xu QualType getValueType() const { 741ff6978263439e21d795b0602fabcb38488ef8441Zhongxing Xu return Str->getType(); 742ff6978263439e21d795b0602fabcb38488ef8441Zhongxing Xu } 743e9f4e5420895a75dd788e9891921e7781c1823b9Zhongxing Xu 744c8413fd03f73084a5c93028f8b4db619fc388087Ted Kremenek DefinedOrUnknownSVal getExtent(SValBuilder &svalBuilder) const; 74532f2656b90900ac04c4b50e87c16749d0ceb9ef2Jordy Rose 7460a51f1c6cec6032bcf64ce205bc4edfdc3cb3a2fZhongxing Xu bool isBoundable() const { return false; } 7470a51f1c6cec6032bcf64ce205bc4edfdc3cb3a2fZhongxing Xu 748e9f4e5420895a75dd788e9891921e7781c1823b9Zhongxing Xu void Profile(llvm::FoldingSetNodeID& ID) const { 749e9f4e5420895a75dd788e9891921e7781c1823b9Zhongxing Xu ProfileRegion(ID, Str, superRegion); 750e9f4e5420895a75dd788e9891921e7781c1823b9Zhongxing Xu } 751e9f4e5420895a75dd788e9891921e7781c1823b9Zhongxing Xu 7529c378f705405d37f49795d5e915989de774fe11fTed Kremenek void dumpToStream(raw_ostream &os) const; 753cc128b32429494fe04ed36d7ba30c011cb4e173aZhongxing Xu 754e9f4e5420895a75dd788e9891921e7781c1823b9Zhongxing Xu static bool classof(const MemRegion* R) { 755e9f4e5420895a75dd788e9891921e7781c1823b9Zhongxing Xu return R->getKind() == StringRegionKind; 756e9f4e5420895a75dd788e9891921e7781c1823b9Zhongxing Xu } 757e9f4e5420895a75dd788e9891921e7781c1823b9Zhongxing Xu}; 7584c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek 7594c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek/// The region associated with an ObjCStringLiteral. 7604c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenekclass ObjCStringRegion : public TypedValueRegion { 7614c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek friend class MemRegionManager; 7624c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek const ObjCStringLiteral* Str; 7634c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenekprotected: 7644c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek 7654c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek ObjCStringRegion(const ObjCStringLiteral* str, const MemRegion* sreg) 7664c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek : TypedValueRegion(sreg, ObjCStringRegionKind), Str(str) {} 7674c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek 7684c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek static void ProfileRegion(llvm::FoldingSetNodeID& ID, 7694c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek const ObjCStringLiteral* Str, 7704c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek const MemRegion* superRegion); 7714c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek 7724c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenekpublic: 7734c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek 7744c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek const ObjCStringLiteral* getObjCStringLiteral() const { return Str; } 7754c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek 7764c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek QualType getValueType() const { 7774c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek return Str->getType(); 7784c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek } 7794c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek 7804c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek bool isBoundable() const { return false; } 7814c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek 7824c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek void Profile(llvm::FoldingSetNodeID& ID) const { 7834c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek ProfileRegion(ID, Str, superRegion); 7844c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek } 7854c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek 7864c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek void dumpToStream(raw_ostream &os) const; 7874c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek 7884c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek static bool classof(const MemRegion* R) { 7894c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek return R->getKind() == ObjCStringRegionKind; 7904c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek } 7914c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek}; 792e9f4e5420895a75dd788e9891921e7781c1823b9Zhongxing Xu 793329d6fde79254503b14724e1231a9d70fa6b387fTed Kremenek/// CompoundLiteralRegion - A memory region representing a compound literal. 794329d6fde79254503b14724e1231a9d70fa6b387fTed Kremenek/// Compound literals are essentially temporaries that are stack allocated 795329d6fde79254503b14724e1231a9d70fa6b387fTed Kremenek/// or in the global constant pool. 7969697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenekclass CompoundLiteralRegion : public TypedValueRegion { 797329d6fde79254503b14724e1231a9d70fa6b387fTed Kremenekprivate: 798329d6fde79254503b14724e1231a9d70fa6b387fTed Kremenek friend class MemRegionManager; 7999c378f705405d37f49795d5e915989de774fe11fTed Kremenek const CompoundLiteralExpr *CL; 800329d6fde79254503b14724e1231a9d70fa6b387fTed Kremenek 8019c378f705405d37f49795d5e915989de774fe11fTed Kremenek CompoundLiteralRegion(const CompoundLiteralExpr *cl, const MemRegion* sReg) 8029697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenek : TypedValueRegion(sReg, CompoundLiteralRegionKind), CL(cl) {} 8031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 804329d6fde79254503b14724e1231a9d70fa6b387fTed Kremenek static void ProfileRegion(llvm::FoldingSetNodeID& ID, 8059c378f705405d37f49795d5e915989de774fe11fTed Kremenek const CompoundLiteralExpr *CL, 806329d6fde79254503b14724e1231a9d70fa6b387fTed Kremenek const MemRegion* superRegion); 807329d6fde79254503b14724e1231a9d70fa6b387fTed Kremenekpublic: 808018220c343c103b7dfaa117a7a474c7a7fd6d068Zhongxing Xu QualType getValueType() const { 809018220c343c103b7dfaa117a7a474c7a7fd6d068Zhongxing Xu return CL->getType(); 81077cfac623178d0c16e16e2f171d20b0fea8fde30Zhongxing Xu } 8110a51f1c6cec6032bcf64ce205bc4edfdc3cb3a2fZhongxing Xu 8129a08fee80a34938b8c11c7166e009a89ced4c2b4Zhongxing Xu bool isBoundable() const { return !CL->isFileScope(); } 8139a08fee80a34938b8c11c7166e009a89ced4c2b4Zhongxing Xu 814329d6fde79254503b14724e1231a9d70fa6b387fTed Kremenek void Profile(llvm::FoldingSetNodeID& ID) const; 8151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8169c378f705405d37f49795d5e915989de774fe11fTed Kremenek void dumpToStream(raw_ostream &os) const; 817329d6fde79254503b14724e1231a9d70fa6b387fTed Kremenek 8189c378f705405d37f49795d5e915989de774fe11fTed Kremenek const CompoundLiteralExpr *getLiteralExpr() const { return CL; } 8191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 820329d6fde79254503b14724e1231a9d70fa6b387fTed Kremenek static bool classof(const MemRegion* R) { 821329d6fde79254503b14724e1231a9d70fa6b387fTed Kremenek return R->getKind() == CompoundLiteralRegionKind; 822329d6fde79254503b14724e1231a9d70fa6b387fTed Kremenek } 823329d6fde79254503b14724e1231a9d70fa6b387fTed Kremenek}; 824178927517fa09ddbb04dc8ef725b5716c18aae21Zhongxing Xu 8259697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenekclass DeclRegion : public TypedValueRegion { 8269e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenekprotected: 8279c378f705405d37f49795d5e915989de774fe11fTed Kremenek const Decl *D; 8289e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek 8299c378f705405d37f49795d5e915989de774fe11fTed Kremenek DeclRegion(const Decl *d, const MemRegion* sReg, Kind k) 8309697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenek : TypedValueRegion(sReg, k), D(d) {} 8319e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek 8329c378f705405d37f49795d5e915989de774fe11fTed Kremenek static void ProfileRegion(llvm::FoldingSetNodeID& ID, const Decl *D, 8339e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek const MemRegion* superRegion, Kind k); 8341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 835bfb6582ef46dfb33672d9621f879fc262339d704Zhongxing Xupublic: 8369c378f705405d37f49795d5e915989de774fe11fTed Kremenek const Decl *getDecl() const { return D; } 8379e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek void Profile(llvm::FoldingSetNodeID& ID) const; 8381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 839e9f4e5420895a75dd788e9891921e7781c1823b9Zhongxing Xu static bool classof(const MemRegion* R) { 840e9f4e5420895a75dd788e9891921e7781c1823b9Zhongxing Xu unsigned k = R->getKind(); 84167d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek return k >= BEG_DECL_REGIONS && k <= END_DECL_REGIONS; 842e9f4e5420895a75dd788e9891921e7781c1823b9Zhongxing Xu } 8439e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek}; 8441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8459e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenekclass VarRegion : public DeclRegion { 8469e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek friend class MemRegionManager; 847d17da2b99f323fa91b01e1dd119cc32e0ee8197dTed Kremenek 848d17da2b99f323fa91b01e1dd119cc32e0ee8197dTed Kremenek // Constructors and private methods. 8499c378f705405d37f49795d5e915989de774fe11fTed Kremenek VarRegion(const VarDecl *vd, const MemRegion* sReg) 85067d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek : DeclRegion(vd, sReg, VarRegionKind) {} 8519e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek 8529c378f705405d37f49795d5e915989de774fe11fTed Kremenek static void ProfileRegion(llvm::FoldingSetNodeID& ID, const VarDecl *VD, 853d17da2b99f323fa91b01e1dd119cc32e0ee8197dTed Kremenek const MemRegion *superRegion) { 8549e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek DeclRegion::ProfileRegion(ID, VD, superRegion, VarRegionKind); 8559e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek } 8561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 857d17da2b99f323fa91b01e1dd119cc32e0ee8197dTed Kremenek void Profile(llvm::FoldingSetNodeID& ID) const; 8581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 860d17da2b99f323fa91b01e1dd119cc32e0ee8197dTed Kremenek const VarDecl *getDecl() const { return cast<VarDecl>(D); } 8611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8625348f94abd0e9d3945da8d059b55b156967e8ff9Ted Kremenek const StackFrameContext *getStackFrame() const; 8635348f94abd0e9d3945da8d059b55b156967e8ff9Ted Kremenek 864018220c343c103b7dfaa117a7a474c7a7fd6d068Zhongxing Xu QualType getValueType() const { 8656eddeb153415049c7b62de4b45385a759a6906c6Ted Kremenek // FIXME: We can cache this if needed. 866018220c343c103b7dfaa117a7a474c7a7fd6d068Zhongxing Xu return getDecl()->getType(); 8671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 8681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8699c378f705405d37f49795d5e915989de774fe11fTed Kremenek void dumpToStream(raw_ostream &os) const; 8701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8719e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek static bool classof(const MemRegion* R) { 8729e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek return R->getKind() == VarRegionKind; 8731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 8743d7c44e01d568e5d5c0fac9c6ccb3f080157ba19Anna Zaks 875919e8a1c6698bfa6848571d366430126bced727dJordan Rose bool canPrintPretty() const; 876919e8a1c6698bfa6848571d366430126bced727dJordan Rose void printPretty(raw_ostream &os) const; 8779e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek}; 878de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek 879de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek/// CXXThisRegion - Represents the region for the implicit 'this' parameter 880de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek/// in a call to a C++ method. This region doesn't represent the object 881de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek/// referred to by 'this', but rather 'this' itself. 8829697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenekclass CXXThisRegion : public TypedValueRegion { 883de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek friend class MemRegionManager; 884de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek CXXThisRegion(const PointerType *thisPointerTy, 885de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek const MemRegion *sReg) 8869697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenek : TypedValueRegion(sReg, CXXThisRegionKind), ThisPointerTy(thisPointerTy) {} 887de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek 888de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek static void ProfileRegion(llvm::FoldingSetNodeID &ID, 889de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek const PointerType *PT, 890de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek const MemRegion *sReg); 891de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek 892de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek void Profile(llvm::FoldingSetNodeID &ID) const; 893de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek 894de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenekpublic: 895018220c343c103b7dfaa117a7a474c7a7fd6d068Zhongxing Xu QualType getValueType() const { 896de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek return QualType(ThisPointerTy, 0); 897de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek } 8987caf9b369cba6edaf6eac25121cbc65ee938f14dZhongxing Xu 8999c378f705405d37f49795d5e915989de774fe11fTed Kremenek void dumpToStream(raw_ostream &os) const; 900de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek 901de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek static bool classof(const MemRegion* R) { 902de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek return R->getKind() == CXXThisRegionKind; 903de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek } 904de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek 905de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenekprivate: 906de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek const PointerType *ThisPointerTy; 907de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek}; 9089e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek 9099e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenekclass FieldRegion : public DeclRegion { 9109e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek friend class MemRegionManager; 9119e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek 9129c378f705405d37f49795d5e915989de774fe11fTed Kremenek FieldRegion(const FieldDecl *fd, const MemRegion* sReg) 9139e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek : DeclRegion(fd, sReg, FieldRegionKind) {} 9149e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek 9154bd1eefd48c70ebef185e524d0484c00f16000cfTed Kremenekpublic: 9169c378f705405d37f49795d5e915989de774fe11fTed Kremenek const FieldDecl *getDecl() const { return cast<FieldDecl>(D); } 9171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 918018220c343c103b7dfaa117a7a474c7a7fd6d068Zhongxing Xu QualType getValueType() const { 9196eddeb153415049c7b62de4b45385a759a6906c6Ted Kremenek // FIXME: We can cache this if needed. 920018220c343c103b7dfaa117a7a474c7a7fd6d068Zhongxing Xu return getDecl()->getType(); 9211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 9224bd1eefd48c70ebef185e524d0484c00f16000cfTed Kremenek 923c8413fd03f73084a5c93028f8b4db619fc388087Ted Kremenek DefinedOrUnknownSVal getExtent(SValBuilder &svalBuilder) const; 92432f2656b90900ac04c4b50e87c16749d0ceb9ef2Jordy Rose 9259c378f705405d37f49795d5e915989de774fe11fTed Kremenek static void ProfileRegion(llvm::FoldingSetNodeID& ID, const FieldDecl *FD, 9266304b08daee27b25ae2e2bdb8bffd67dfad74b3cTed Kremenek const MemRegion* superRegion) { 9279e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek DeclRegion::ProfileRegion(ID, FD, superRegion, FieldRegionKind); 9289e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek } 9291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9309e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek static bool classof(const MemRegion* R) { 9319e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek return R->getKind() == FieldRegionKind; 9329e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek } 9333d7c44e01d568e5d5c0fac9c6ccb3f080157ba19Anna Zaks 9343d7c44e01d568e5d5c0fac9c6ccb3f080157ba19Anna Zaks void dumpToStream(raw_ostream &os) const; 935919e8a1c6698bfa6848571d366430126bced727dJordan Rose 936919e8a1c6698bfa6848571d366430126bced727dJordan Rose bool canPrintPretty() const; 937919e8a1c6698bfa6848571d366430126bced727dJordan Rose void printPretty(raw_ostream &os) const; 9389e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek}; 9391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9409e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenekclass ObjCIvarRegion : public DeclRegion { 9411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9429e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek friend class MemRegionManager; 9431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 944c35fb7d67d515659ad2325b4f6ec97c9fe64fb63Benjamin Kramer ObjCIvarRegion(const ObjCIvarDecl *ivd, const MemRegion* sReg); 9459e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek 9469c378f705405d37f49795d5e915989de774fe11fTed Kremenek static void ProfileRegion(llvm::FoldingSetNodeID& ID, const ObjCIvarDecl *ivd, 947c35fb7d67d515659ad2325b4f6ec97c9fe64fb63Benjamin Kramer const MemRegion* superRegion); 9481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9499e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenekpublic: 950c35fb7d67d515659ad2325b4f6ec97c9fe64fb63Benjamin Kramer const ObjCIvarDecl *getDecl() const; 951c35fb7d67d515659ad2325b4f6ec97c9fe64fb63Benjamin Kramer QualType getValueType() const; 9521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9539c378f705405d37f49795d5e915989de774fe11fTed Kremenek void dumpToStream(raw_ostream &os) const; 9541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9559e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek static bool classof(const MemRegion* R) { 9569e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek return R->getKind() == ObjCIvarRegionKind; 9579e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek } 9589e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek}; 9597caf9b369cba6edaf6eac25121cbc65ee938f14dZhongxing Xu//===----------------------------------------------------------------------===// 960fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner// Auxiliary data classes for use with MemRegions. 9617caf9b369cba6edaf6eac25121cbc65ee938f14dZhongxing Xu//===----------------------------------------------------------------------===// 9627caf9b369cba6edaf6eac25121cbc65ee938f14dZhongxing Xu 9637caf9b369cba6edaf6eac25121cbc65ee938f14dZhongxing Xuclass ElementRegion; 9647caf9b369cba6edaf6eac25121cbc65ee938f14dZhongxing Xu 9657caf9b369cba6edaf6eac25121cbc65ee938f14dZhongxing Xuclass RegionRawOffset { 9667caf9b369cba6edaf6eac25121cbc65ee938f14dZhongxing Xuprivate: 9677caf9b369cba6edaf6eac25121cbc65ee938f14dZhongxing Xu friend class ElementRegion; 9687caf9b369cba6edaf6eac25121cbc65ee938f14dZhongxing Xu 9697caf9b369cba6edaf6eac25121cbc65ee938f14dZhongxing Xu const MemRegion *Region; 9709ff2b13aee0f89d23ef4820218f9b88bb5e5c1c1Ken Dyck CharUnits Offset; 9717caf9b369cba6edaf6eac25121cbc65ee938f14dZhongxing Xu 9729ff2b13aee0f89d23ef4820218f9b88bb5e5c1c1Ken Dyck RegionRawOffset(const MemRegion* reg, CharUnits offset = CharUnits::Zero()) 9737caf9b369cba6edaf6eac25121cbc65ee938f14dZhongxing Xu : Region(reg), Offset(offset) {} 9747caf9b369cba6edaf6eac25121cbc65ee938f14dZhongxing Xu 9757caf9b369cba6edaf6eac25121cbc65ee938f14dZhongxing Xupublic: 9767caf9b369cba6edaf6eac25121cbc65ee938f14dZhongxing Xu // FIXME: Eventually support symbolic offsets. 9779ff2b13aee0f89d23ef4820218f9b88bb5e5c1c1Ken Dyck CharUnits getOffset() const { return Offset; } 9787caf9b369cba6edaf6eac25121cbc65ee938f14dZhongxing Xu const MemRegion *getRegion() const { return Region; } 9797caf9b369cba6edaf6eac25121cbc65ee938f14dZhongxing Xu 9809c378f705405d37f49795d5e915989de774fe11fTed Kremenek void dumpToStream(raw_ostream &os) const; 9817caf9b369cba6edaf6eac25121cbc65ee938f14dZhongxing Xu void dump() const; 9827caf9b369cba6edaf6eac25121cbc65ee938f14dZhongxing Xu}; 983511191ce8920160525611be2be754c32a0724c3eZhongxing Xu 9841437425a62dbf7bdb0a855d3ed3b05ed2019ec1eAnna Zaks/// \brief ElementRegin is used to represent both array elements and casts. 9859697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenekclass ElementRegion : public TypedValueRegion { 986511191ce8920160525611be2be754c32a0724c3eZhongxing Xu friend class MemRegionManager; 987511191ce8920160525611be2be754c32a0724c3eZhongxing Xu 988f936f4568700d799e7d92eecef67b0e2b822ae7eTed Kremenek QualType ElementType; 98902282acd7a42d06a3178e3102d34a585bd82dd9fTed Kremenek NonLoc Index; 990511191ce8920160525611be2be754c32a0724c3eZhongxing Xu 99102282acd7a42d06a3178e3102d34a585bd82dd9fTed Kremenek ElementRegion(QualType elementType, NonLoc Idx, const MemRegion* sReg) 9929697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenek : TypedValueRegion(sReg, ElementRegionKind), 993f936f4568700d799e7d92eecef67b0e2b822ae7eTed Kremenek ElementType(elementType), Index(Idx) { 9943d8173c1c68f451c7492f92023d829c626845925Chris Lattner assert((!isa<nonloc::ConcreteInt>(&Idx) || 9953d8173c1c68f451c7492f92023d829c626845925Chris Lattner cast<nonloc::ConcreteInt>(&Idx)->getValue().isSigned()) && 99643b28d07019bc78447ecbbb721526de4ffd83f20Chris Lattner "The index must be signed"); 9970395b5d4987fe5baa818015e9d294c128619e4ecZhongxing Xu } 9981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 999f936f4568700d799e7d92eecef67b0e2b822ae7eTed Kremenek static void ProfileRegion(llvm::FoldingSetNodeID& ID, QualType elementType, 1000f936f4568700d799e7d92eecef67b0e2b822ae7eTed Kremenek SVal Idx, const MemRegion* superRegion); 1001511191ce8920160525611be2be754c32a0724c3eZhongxing Xu 1002511191ce8920160525611be2be754c32a0724c3eZhongxing Xupublic: 1003511191ce8920160525611be2be754c32a0724c3eZhongxing Xu 100402282acd7a42d06a3178e3102d34a585bd82dd9fTed Kremenek NonLoc getIndex() const { return Index; } 10056e78e1b22f3b16bb2ef76950b9b75f060bdba7bfZhongxing Xu 1006018220c343c103b7dfaa117a7a474c7a7fd6d068Zhongxing Xu QualType getValueType() const { 1007f936f4568700d799e7d92eecef67b0e2b822ae7eTed Kremenek return ElementType; 1008f936f4568700d799e7d92eecef67b0e2b822ae7eTed Kremenek } 10091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1010f936f4568700d799e7d92eecef67b0e2b822ae7eTed Kremenek QualType getElementType() const { 1011f936f4568700d799e7d92eecef67b0e2b822ae7eTed Kremenek return ElementType; 1012abb042f33ea8e6107a7dc8efc51d2ace329f9f48Ted Kremenek } 10137caf9b369cba6edaf6eac25121cbc65ee938f14dZhongxing Xu /// Compute the offset within the array. The array might also be a subobject. 10147caf9b369cba6edaf6eac25121cbc65ee938f14dZhongxing Xu RegionRawOffset getAsArrayOffset() const; 10151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10169c378f705405d37f49795d5e915989de774fe11fTed Kremenek void dumpToStream(raw_ostream &os) const; 1017b21ff77c8126ea628b66d2ffb931fdaa7884f5d2Zhongxing Xu 1018511191ce8920160525611be2be754c32a0724c3eZhongxing Xu void Profile(llvm::FoldingSetNodeID& ID) const; 1019511191ce8920160525611be2be754c32a0724c3eZhongxing Xu 1020511191ce8920160525611be2be754c32a0724c3eZhongxing Xu static bool classof(const MemRegion* R) { 1021511191ce8920160525611be2be754c32a0724c3eZhongxing Xu return R->getKind() == ElementRegionKind; 1022511191ce8920160525611be2be754c32a0724c3eZhongxing Xu } 1023511191ce8920160525611be2be754c32a0724c3eZhongxing Xu}; 102419e1f0ba5cec738ce6cebe3fe0e1edc782206494Ted Kremenek 1025bc37b8dd9914e02580f531fa6e5e72be34d9675eZhongxing Xu// C++ temporary object associated with an expression. 10269697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenekclass CXXTempObjectRegion : public TypedValueRegion { 1027bb141217871e93767aa3f2de1b9946fa6d37066aZhongxing Xu friend class MemRegionManager; 1028bb141217871e93767aa3f2de1b9946fa6d37066aZhongxing Xu 1029bc37b8dd9914e02580f531fa6e5e72be34d9675eZhongxing Xu Expr const *Ex; 1030bb141217871e93767aa3f2de1b9946fa6d37066aZhongxing Xu 103102fe28c8a6da29d4ad88d0900c133dcf22d24a75Zhongxing Xu CXXTempObjectRegion(Expr const *E, MemRegion const *sReg) 10329697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenek : TypedValueRegion(sReg, CXXTempObjectRegionKind), Ex(E) {} 1033bb141217871e93767aa3f2de1b9946fa6d37066aZhongxing Xu 1034bb141217871e93767aa3f2de1b9946fa6d37066aZhongxing Xu static void ProfileRegion(llvm::FoldingSetNodeID &ID, 1035bc37b8dd9914e02580f531fa6e5e72be34d9675eZhongxing Xu Expr const *E, const MemRegion *sReg); 1036bb141217871e93767aa3f2de1b9946fa6d37066aZhongxing Xu 1037bb141217871e93767aa3f2de1b9946fa6d37066aZhongxing Xupublic: 1038782f63ecd124f9384f988dc7e0cf4ae1540c15f6Jeffrey Yasskin const Expr *getExpr() const { return Ex; } 1039782f63ecd124f9384f988dc7e0cf4ae1540c15f6Jeffrey Yasskin 1040018220c343c103b7dfaa117a7a474c7a7fd6d068Zhongxing Xu QualType getValueType() const { 1041bc37b8dd9914e02580f531fa6e5e72be34d9675eZhongxing Xu return Ex->getType(); 1042bb141217871e93767aa3f2de1b9946fa6d37066aZhongxing Xu } 1043bb141217871e93767aa3f2de1b9946fa6d37066aZhongxing Xu 10449c378f705405d37f49795d5e915989de774fe11fTed Kremenek void dumpToStream(raw_ostream &os) const; 1045e1aeb13251a4858724d2b7ad1925d25076f23d08Zhongxing Xu 1046bb141217871e93767aa3f2de1b9946fa6d37066aZhongxing Xu void Profile(llvm::FoldingSetNodeID &ID) const; 1047bb141217871e93767aa3f2de1b9946fa6d37066aZhongxing Xu 1048bb141217871e93767aa3f2de1b9946fa6d37066aZhongxing Xu static bool classof(const MemRegion* R) { 104902fe28c8a6da29d4ad88d0900c133dcf22d24a75Zhongxing Xu return R->getKind() == CXXTempObjectRegionKind; 1050bb141217871e93767aa3f2de1b9946fa6d37066aZhongxing Xu } 1051bb141217871e93767aa3f2de1b9946fa6d37066aZhongxing Xu}; 1052bb141217871e93767aa3f2de1b9946fa6d37066aZhongxing Xu 10534fd56816e0925c04f2c92e75399f5c9018d5d6fbZhongxing Xu// CXXBaseObjectRegion represents a base object within a C++ object. It is 10544fd56816e0925c04f2c92e75399f5c9018d5d6fbZhongxing Xu// identified by the base class declaration and the region of its parent object. 10559697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenekclass CXXBaseObjectRegion : public TypedValueRegion { 10564fd56816e0925c04f2c92e75399f5c9018d5d6fbZhongxing Xu friend class MemRegionManager; 10574fd56816e0925c04f2c92e75399f5c9018d5d6fbZhongxing Xu 10584fd56816e0925c04f2c92e75399f5c9018d5d6fbZhongxing Xu const CXXRecordDecl *decl; 10594fd56816e0925c04f2c92e75399f5c9018d5d6fbZhongxing Xu 10604fd56816e0925c04f2c92e75399f5c9018d5d6fbZhongxing Xu CXXBaseObjectRegion(const CXXRecordDecl *d, const MemRegion *sReg) 10619697934650354bed2e509d8e7e44f21a1fb00f76Ted Kremenek : TypedValueRegion(sReg, CXXBaseObjectRegionKind), decl(d) {} 10624fd56816e0925c04f2c92e75399f5c9018d5d6fbZhongxing Xu 10634fd56816e0925c04f2c92e75399f5c9018d5d6fbZhongxing Xu static void ProfileRegion(llvm::FoldingSetNodeID &ID, 10644fd56816e0925c04f2c92e75399f5c9018d5d6fbZhongxing Xu const CXXRecordDecl *decl, const MemRegion *sReg); 10654fd56816e0925c04f2c92e75399f5c9018d5d6fbZhongxing Xu 10664fd56816e0925c04f2c92e75399f5c9018d5d6fbZhongxing Xupublic: 1067d074441e027471a914cbb909a7aad1d43224950fZhongxing Xu const CXXRecordDecl *getDecl() const { return decl; } 1068d074441e027471a914cbb909a7aad1d43224950fZhongxing Xu 10694fd56816e0925c04f2c92e75399f5c9018d5d6fbZhongxing Xu QualType getValueType() const; 10704fd56816e0925c04f2c92e75399f5c9018d5d6fbZhongxing Xu 10719c378f705405d37f49795d5e915989de774fe11fTed Kremenek void dumpToStream(raw_ostream &os) const; 10724fd56816e0925c04f2c92e75399f5c9018d5d6fbZhongxing Xu 10734fd56816e0925c04f2c92e75399f5c9018d5d6fbZhongxing Xu void Profile(llvm::FoldingSetNodeID &ID) const; 10744fd56816e0925c04f2c92e75399f5c9018d5d6fbZhongxing Xu 10754fd56816e0925c04f2c92e75399f5c9018d5d6fbZhongxing Xu static bool classof(const MemRegion *region) { 10764fd56816e0925c04f2c92e75399f5c9018d5d6fbZhongxing Xu return region->getKind() == CXXBaseObjectRegionKind; 10774fd56816e0925c04f2c92e75399f5c9018d5d6fbZhongxing Xu } 10784fd56816e0925c04f2c92e75399f5c9018d5d6fbZhongxing Xu}; 10794fd56816e0925c04f2c92e75399f5c9018d5d6fbZhongxing Xu 1080ed65d3d97132fbcdd124aef4d2478e348dfbd36bTed Kremenektemplate<typename RegionTy> 1081ed65d3d97132fbcdd124aef4d2478e348dfbd36bTed Kremenekconst RegionTy* MemRegion::getAs() const { 1082f7a0cf426eddae76e1a71dd2295631a2cf0560afTed Kremenek if (const RegionTy* RT = dyn_cast<RegionTy>(this)) 1083f7a0cf426eddae76e1a71dd2295631a2cf0560afTed Kremenek return RT; 10841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1085f7a0cf426eddae76e1a71dd2295631a2cf0560afTed Kremenek return NULL; 1086ed65d3d97132fbcdd124aef4d2478e348dfbd36bTed Kremenek} 1087511191ce8920160525611be2be754c32a0724c3eZhongxing Xu 10889e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek//===----------------------------------------------------------------------===// 10899e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek// MemRegionManager - Factory object for creating regions. 10909e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek//===----------------------------------------------------------------------===// 10919e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek 10929e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenekclass MemRegionManager { 1093a43484afda4c4fb4b23a53a2dc91d985d39dc2c4Ted Kremenek ASTContext &C; 10949e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek llvm::BumpPtrAllocator& A; 10959e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek llvm::FoldingSet<MemRegion> Regions; 10961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1097eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks GlobalInternalSpaceRegion *InternalGlobals; 1098eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks GlobalSystemSpaceRegion *SystemGlobals; 1099eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks GlobalImmutableSpaceRegion *ImmutableGlobals; 1100eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks 11012b87ae45e129b941d0a4d221c9d4842385a119bdTed Kremenek 1102c30470dd245e2c3b367d3d806e75bf6cc20fc18cZhongxing Xu llvm::DenseMap<const StackFrameContext *, StackLocalsSpaceRegion *> 1103c30470dd245e2c3b367d3d806e75bf6cc20fc18cZhongxing Xu StackLocalsSpaceRegions; 1104c30470dd245e2c3b367d3d806e75bf6cc20fc18cZhongxing Xu llvm::DenseMap<const StackFrameContext *, StackArgumentsSpaceRegion *> 1105c30470dd245e2c3b367d3d806e75bf6cc20fc18cZhongxing Xu StackArgumentsSpaceRegions; 1106dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek llvm::DenseMap<const CodeTextRegion *, StaticGlobalSpaceRegion *> 1107dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek StaticsGlobalSpaceRegions; 11082b87ae45e129b941d0a4d221c9d4842385a119bdTed Kremenek 110967d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek HeapSpaceRegion *heap; 11102b87ae45e129b941d0a4d221c9d4842385a119bdTed Kremenek UnknownSpaceRegion *unknown; 1111d05552a21377f493c882298c59e8829040b01d34Ted Kremenek MemSpaceRegion *code; 1112dc0a25d9bff956cdbe54ea0bfc8fbbe3ceb4eb92Zhongxing Xu 11139e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenekpublic: 1114a43484afda4c4fb4b23a53a2dc91d985d39dc2c4Ted Kremenek MemRegionManager(ASTContext &c, llvm::BumpPtrAllocator& a) 1115eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks : C(c), A(a), InternalGlobals(0), SystemGlobals(0), ImmutableGlobals(0), 1116eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks heap(0), unknown(0), code(0) {} 11171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11184240096011a187807058f887eb81df750ffa17feTed Kremenek ~MemRegionManager(); 11191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1120a43484afda4c4fb4b23a53a2dc91d985d39dc2c4Ted Kremenek ASTContext &getContext() { return C; } 11214240096011a187807058f887eb81df750ffa17feTed Kremenek 11224240096011a187807058f887eb81df750ffa17feTed Kremenek llvm::BumpPtrAllocator &getAllocator() { return A; } 11231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 112467d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek /// getStackLocalsRegion - Retrieve the memory region associated with the 112567d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek /// specified stack frame. 112667d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek const StackLocalsSpaceRegion * 112767d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek getStackLocalsRegion(const StackFrameContext *STC); 1128d05552a21377f493c882298c59e8829040b01d34Ted Kremenek 1129d05552a21377f493c882298c59e8829040b01d34Ted Kremenek /// getStackArgumentsRegion - Retrieve the memory region associated with 113067d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek /// function/method arguments of the specified stack frame. 113167d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek const StackArgumentsSpaceRegion * 113267d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek getStackArgumentsRegion(const StackFrameContext *STC); 11331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11349e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek /// getGlobalsRegion - Retrieve the memory region associated with 1135dcee3ce97fc76f20ce8f5a7451071e3dec537073Ted Kremenek /// global variables. 1136eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks const GlobalsSpaceRegion *getGlobalsRegion( 1137eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks MemRegion::Kind K = MemRegion::GlobalInternalSpaceRegionKind, 1138eb31a76d1cdaaf8874c549dc6bd964ff270d3822Anna Zaks const CodeTextRegion *R = 0); 11391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11409e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek /// getHeapRegion - Retrieve the memory region associated with the 11419e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek /// generic "heap". 114267d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek const HeapSpaceRegion *getHeapRegion(); 1143178927517fa09ddbb04dc8ef725b5716c18aae21Zhongxing Xu 1144178927517fa09ddbb04dc8ef725b5716c18aae21Zhongxing Xu /// getUnknownRegion - Retrieve the memory region associated with unknown 1145178927517fa09ddbb04dc8ef725b5716c18aae21Zhongxing Xu /// memory space. 1146b48ad64a0e9e8d6488adebe597b6af32c1eb84f4Ted Kremenek const MemSpaceRegion *getUnknownRegion(); 1147c540b261ac553b91840146eaa3fee3f11b1013a7Zhongxing Xu 1148b48ad64a0e9e8d6488adebe597b6af32c1eb84f4Ted Kremenek const MemSpaceRegion *getCodeRegion(); 1149ec13d9206645af07ef7c571405893b8d901de151Zhongxing Xu 11507090ae1a984eb446a5fb4da7b1f2573830653799Ted Kremenek /// getAllocaRegion - Retrieve a region associated with a call to alloca(). 11519c378f705405d37f49795d5e915989de774fe11fTed Kremenek const AllocaRegion *getAllocaRegion(const Expr *Ex, unsigned Cnt, 115267d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek const LocationContext *LC); 11531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1154329d6fde79254503b14724e1231a9d70fa6b387fTed Kremenek /// getCompoundLiteralRegion - Retrieve the region associated with a 1155329d6fde79254503b14724e1231a9d70fa6b387fTed Kremenek /// given CompoundLiteral. 1156b48ad64a0e9e8d6488adebe597b6af32c1eb84f4Ted Kremenek const CompoundLiteralRegion* 11579c378f705405d37f49795d5e915989de774fe11fTed Kremenek getCompoundLiteralRegion(const CompoundLiteralExpr *CL, 115867d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek const LocationContext *LC); 1159de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek 1160fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner /// getCXXThisRegion - Retrieve the [artificial] region associated with the 1161de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek /// parameter 'this'. 1162de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek const CXXThisRegion *getCXXThisRegion(QualType thisPointerTy, 1163de0d26310191215a6d1d189dc419f87af18ce6beTed Kremenek const LocationContext *LC); 11641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1165e17fdb2d5dbf0ffefd417587003eebbe5baf5984Anna Zaks /// \brief Retrieve or create a "symbolic" memory region. 1166e17fdb2d5dbf0ffefd417587003eebbe5baf5984Anna Zaks const SymbolicRegion* getSymbolicRegion(SymbolRef Sym); 1167e17fdb2d5dbf0ffefd417587003eebbe5baf5984Anna Zaks 1168e17fdb2d5dbf0ffefd417587003eebbe5baf5984Anna Zaks /// \brief Return a unique symbolic region belonging to heap memory space. 1169e17fdb2d5dbf0ffefd417587003eebbe5baf5984Anna Zaks const SymbolicRegion *getSymbolicHeapRegion(SymbolRef sym); 1170e9f4e5420895a75dd788e9891921e7781c1823b9Zhongxing Xu 11714c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek const StringRegion *getStringRegion(const StringLiteral* Str); 11724c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek 11734c62b557e269a27515dfca1f754ae936c8fdb824Ted Kremenek const ObjCStringRegion *getObjCStringRegion(const ObjCStringLiteral *Str); 1174e9f4e5420895a75dd788e9891921e7781c1823b9Zhongxing Xu 11759e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek /// getVarRegion - Retrieve or create the memory region associated with 1176d17da2b99f323fa91b01e1dd119cc32e0ee8197dTed Kremenek /// a specified VarDecl and LocationContext. 1177b48ad64a0e9e8d6488adebe597b6af32c1eb84f4Ted Kremenek const VarRegion* getVarRegion(const VarDecl *D, const LocationContext *LC); 11781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 117967d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek /// getVarRegion - Retrieve or create the memory region associated with 118067d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek /// a specified VarDecl and super region. 118167d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek const VarRegion* getVarRegion(const VarDecl *D, const MemRegion *superR); 118267d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek 1183f936f4568700d799e7d92eecef67b0e2b822ae7eTed Kremenek /// getElementRegion - Retrieve the memory region associated with the 1184f936f4568700d799e7d92eecef67b0e2b822ae7eTed Kremenek /// associated element type, index, and super region. 118502282acd7a42d06a3178e3102d34a585bd82dd9fTed Kremenek const ElementRegion *getElementRegion(QualType elementType, NonLoc Idx, 1186856c6bcaea56e05255e9f3997ddd56b5c18a14f0Zhongxing Xu const MemRegion *superRegion, 1187856c6bcaea56e05255e9f3997ddd56b5c18a14f0Zhongxing Xu ASTContext &Ctx); 11881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1189b48ad64a0e9e8d6488adebe597b6af32c1eb84f4Ted Kremenek const ElementRegion *getElementRegionWithSuper(const ElementRegion *ER, 1190856c6bcaea56e05255e9f3997ddd56b5c18a14f0Zhongxing Xu const MemRegion *superRegion) { 1191a5e81f1240bcc5b9b0721fc6275075ad7cadaf5eTed Kremenek return getElementRegion(ER->getElementType(), ER->getIndex(), 1192a5e81f1240bcc5b9b0721fc6275075ad7cadaf5eTed Kremenek superRegion, ER->getContext()); 1193a5e81f1240bcc5b9b0721fc6275075ad7cadaf5eTed Kremenek } 1194511191ce8920160525611be2be754c32a0724c3eZhongxing Xu 11959e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek /// getFieldRegion - Retrieve or create the memory region associated with 11969e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek /// a specified FieldDecl. 'superRegion' corresponds to the containing 11979e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek /// memory region (which typically represents the memory representing 11989e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek /// a structure or class). 11999c378f705405d37f49795d5e915989de774fe11fTed Kremenek const FieldRegion *getFieldRegion(const FieldDecl *fd, 1200b48ad64a0e9e8d6488adebe597b6af32c1eb84f4Ted Kremenek const MemRegion* superRegion); 12011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1202b48ad64a0e9e8d6488adebe597b6af32c1eb84f4Ted Kremenek const FieldRegion *getFieldRegionWithSuper(const FieldRegion *FR, 1203b48ad64a0e9e8d6488adebe597b6af32c1eb84f4Ted Kremenek const MemRegion *superRegion) { 1204a5e81f1240bcc5b9b0721fc6275075ad7cadaf5eTed Kremenek return getFieldRegion(FR->getDecl(), superRegion); 1205a5e81f1240bcc5b9b0721fc6275075ad7cadaf5eTed Kremenek } 12061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12079e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek /// getObjCIvarRegion - Retrieve or create the memory region associated with 12089e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek /// a specified Objective-c instance variable. 'superRegion' corresponds 12099e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek /// to the containing region (which typically represents the Objective-C 12109e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek /// object). 12119c378f705405d37f49795d5e915989de774fe11fTed Kremenek const ObjCIvarRegion *getObjCIvarRegion(const ObjCIvarDecl *ivd, 1212b48ad64a0e9e8d6488adebe597b6af32c1eb84f4Ted Kremenek const MemRegion* superRegion); 12131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 121402fe28c8a6da29d4ad88d0900c133dcf22d24a75Zhongxing Xu const CXXTempObjectRegion *getCXXTempObjectRegion(Expr const *Ex, 121502fe28c8a6da29d4ad88d0900c133dcf22d24a75Zhongxing Xu LocationContext const *LC); 1216bb141217871e93767aa3f2de1b9946fa6d37066aZhongxing Xu 12174fd56816e0925c04f2c92e75399f5c9018d5d6fbZhongxing Xu const CXXBaseObjectRegion *getCXXBaseObjectRegion(const CXXRecordDecl *decl, 12184fd56816e0925c04f2c92e75399f5c9018d5d6fbZhongxing Xu const MemRegion *superRegion); 12194fd56816e0925c04f2c92e75399f5c9018d5d6fbZhongxing Xu 1220d074441e027471a914cbb909a7aad1d43224950fZhongxing Xu /// Create a CXXBaseObjectRegion with the same CXXRecordDecl but a different 1221d074441e027471a914cbb909a7aad1d43224950fZhongxing Xu /// super region. 1222d074441e027471a914cbb909a7aad1d43224950fZhongxing Xu const CXXBaseObjectRegion * 1223d074441e027471a914cbb909a7aad1d43224950fZhongxing Xu getCXXBaseObjectRegionWithSuper(const CXXBaseObjectRegion *baseReg, 1224d074441e027471a914cbb909a7aad1d43224950fZhongxing Xu const MemRegion *superRegion) { 1225d074441e027471a914cbb909a7aad1d43224950fZhongxing Xu return getCXXBaseObjectRegion(baseReg->getDecl(), superRegion); 1226d074441e027471a914cbb909a7aad1d43224950fZhongxing Xu } 1227d074441e027471a914cbb909a7aad1d43224950fZhongxing Xu 12285fc1d0c4532c55cc47ba6628f296bf5b86d2eaf0Anna Zaks const FunctionTextRegion *getFunctionTextRegion(const NamedDecl *FD); 1229b48ad64a0e9e8d6488adebe597b6af32c1eb84f4Ted Kremenek const BlockTextRegion *getBlockTextRegion(const BlockDecl *BD, 123067d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek CanQualType locTy, 12311d26f48dc2eea1c07431ca1519d7034a21b9bcffTed Kremenek AnalysisDeclContext *AC); 123267d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek 123367d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek /// getBlockDataRegion - Get the memory region associated with an instance 123467d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek /// of a block. Unlike many other MemRegions, the LocationContext* 123567d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek /// argument is allowed to be NULL for cases where we have no known 123667d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek /// context. 1237b48ad64a0e9e8d6488adebe597b6af32c1eb84f4Ted Kremenek const BlockDataRegion *getBlockDataRegion(const BlockTextRegion *bc, 123867d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek const LocationContext *lc = NULL); 12391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1240bcd7f9f8cb2f1b78e8ad991677a4364044e1deb7Ted Kremenekprivate: 1241250101353b711a409b075f1bc11070dddec7100bTed Kremenek template <typename RegionTy, typename A1> 1242250101353b711a409b075f1bc11070dddec7100bTed Kremenek RegionTy* getRegion(const A1 a1); 12431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12446304b08daee27b25ae2e2bdb8bffd67dfad74b3cTed Kremenek template <typename RegionTy, typename A1> 1245eeea45611d45238c34474c183cee96d47ae79e24Ted Kremenek RegionTy* getSubRegion(const A1 a1, const MemRegion* superRegion); 12461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12477ae7ad9951f032d0a33b64c964f7cdcb9cc6f59bTed Kremenek template <typename RegionTy, typename A1, typename A2> 12487ae7ad9951f032d0a33b64c964f7cdcb9cc6f59bTed Kremenek RegionTy* getRegion(const A1 a1, const A2 a2); 1249dc0a25d9bff956cdbe54ea0bfc8fbbe3ceb4eb92Zhongxing Xu 12500a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek template <typename RegionTy, typename A1, typename A2> 12510a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek RegionTy* getSubRegion(const A1 a1, const A2 a2, 12520a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek const MemRegion* superRegion); 12530a8112a78d00b5140c5b7f16c3b34c2c0c13c1a0Ted Kremenek 125467d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek template <typename RegionTy, typename A1, typename A2, typename A3> 125567d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek RegionTy* getSubRegion(const A1 a1, const A2 a2, const A3 a3, 125667d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek const MemRegion* superRegion); 125767d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek 125867d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek template <typename REG> 125967d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek const REG* LazyAllocate(REG*& region); 126067d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek 126167d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek template <typename REG, typename ARG> 126267d1287035767f4f6c8ca0c2bb755990012a44caTed Kremenek const REG* LazyAllocate(REG*& region, ARG a); 1263ed65d3d97132fbcdd124aef4d2478e348dfbd36bTed Kremenek}; 12641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1265250101353b711a409b075f1bc11070dddec7100bTed Kremenek//===----------------------------------------------------------------------===// 1266a43484afda4c4fb4b23a53a2dc91d985d39dc2c4Ted Kremenek// Out-of-line member definitions. 1267250101353b711a409b075f1bc11070dddec7100bTed Kremenek//===----------------------------------------------------------------------===// 1268250101353b711a409b075f1bc11070dddec7100bTed Kremenek 12699c378f705405d37f49795d5e915989de774fe11fTed Kremenekinline ASTContext &MemRegion::getContext() const { 1270a43484afda4c4fb4b23a53a2dc91d985d39dc2c4Ted Kremenek return getMemRegionManager()->getContext(); 1271a43484afda4c4fb4b23a53a2dc91d985d39dc2c4Ted Kremenek} 1272eb1c7a04509f5d25c09005a6d46bd8bbb3ca88cbTed Kremenek 12735a4f98ff943e6a501b0fe47ade007c9bbf96cb88Argyrios Kyrtzidis} // end GR namespace 12745a4f98ff943e6a501b0fe47ade007c9bbf96cb88Argyrios Kyrtzidis 1275be91224894e1501133e224934285ba6440bf5b59Ted Kremenek} // end clang namespace 12769e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek 1277250101353b711a409b075f1bc11070dddec7100bTed Kremenek//===----------------------------------------------------------------------===// 1278250101353b711a409b075f1bc11070dddec7100bTed Kremenek// Pretty-printing regions. 1279250101353b711a409b075f1bc11070dddec7100bTed Kremenek//===----------------------------------------------------------------------===// 1280250101353b711a409b075f1bc11070dddec7100bTed Kremenek 1281be91224894e1501133e224934285ba6440bf5b59Ted Kremeneknamespace llvm { 12829c378f705405d37f49795d5e915989de774fe11fTed Kremenekstatic inline raw_ostream &operator<<(raw_ostream &os, 12839ef6537a894c33003359b1f9b9676e9178e028b7Ted Kremenek const clang::ento::MemRegion* R) { 12848800ad4eaa1621f6d23c8264971063b9f8da6a2eTed Kremenek R->dumpToStream(os); 12858800ad4eaa1621f6d23c8264971063b9f8da6a2eTed Kremenek return os; 1286be91224894e1501133e224934285ba6440bf5b59Ted Kremenek} 1287be91224894e1501133e224934285ba6440bf5b59Ted Kremenek} // end llvm namespace 12889e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek 12899e24049bef26b6289cce9ac9b483c5cbb096e3aeTed Kremenek#endif 1290