Type.h revision 1fb0caaa7bef765b85972274e3b434af2572c141
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- Type.h - C Language Family Type Representation ---------*- C++ -*-===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file defines the Type interface and subclasses. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#ifndef LLVM_CLANG_AST_TYPE_H 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define LLVM_CLANG_AST_TYPE_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1722caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner#include "clang/Basic/Diagnostic.h" 181734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor#include "clang/Basic/IdentifierTable.h" 190b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor#include "clang/Basic/Linkage.h" 2047c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth#include "clang/Basic/PartialDiagnostic.h" 211fb0caaa7bef765b85972274e3b434af2572c141John McCall#include "clang/Basic/Visibility.h" 22e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor#include "clang/AST/NestedNameSpecifier.h" 237532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor#include "clang/AST/TemplateName.h" 245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/Support/Casting.h" 2550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor#include "llvm/Support/type_traits.h" 26fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff#include "llvm/ADT/APSInt.h" 275cf243a883872441d73ca49cea7e20de5802629bChris Lattner#include "llvm/ADT/FoldingSet.h" 285cf243a883872441d73ca49cea7e20de5802629bChris Lattner#include "llvm/ADT/PointerIntPair.h" 291734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor#include "llvm/ADT/PointerUnion.h" 307532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::isa; 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::cast; 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::cast_or_null; 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::dyn_cast; 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::dyn_cast_or_null; 366b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCallnamespace clang { 376b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { 386b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignmentInBits = 3, 396b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment = 1 << TypeAlignmentInBits 406b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall }; 41aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class Type; 42aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class ExtQuals; 43aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class QualType; 446b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall} 455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 464e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnernamespace llvm { 474e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner template <typename T> 48daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattner class PointerLikeTypeTraits; 49bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner template<> 50bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner class PointerLikeTypeTraits< ::clang::Type*> { 51bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner public: 52bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner static inline void *getAsVoidPointer(::clang::Type *P) { return P; } 53bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner static inline ::clang::Type *getFromVoidPointer(void *P) { 54bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner return static_cast< ::clang::Type*>(P); 55bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner } 566b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { NumLowBitsAvailable = clang::TypeAlignmentInBits }; 57bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner }; 580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall template<> 590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall class PointerLikeTypeTraits< ::clang::ExtQuals*> { 600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall public: 610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static inline void *getAsVoidPointer(::clang::ExtQuals *P) { return P; } 620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static inline ::clang::ExtQuals *getFromVoidPointer(void *P) { 630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return static_cast< ::clang::ExtQuals*>(P); 640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 656b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { NumLowBitsAvailable = clang::TypeAlignmentInBits }; 660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall }; 67aed1df80bf64228e1429c1edc408397f9174847cChris Lattner 68aed1df80bf64228e1429c1edc408397f9174847cChris Lattner template <> 69aed1df80bf64228e1429c1edc408397f9174847cChris Lattner struct isPodLike<clang::QualType> { static const bool value = true; }; 704e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner} 714e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner 725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class ASTContext; 745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TypedefDecl; 7555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor class TemplateDecl; 7672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor class TemplateTypeParmDecl; 77aaba5e346dffdbad5d1c42765a89e4a7afb0da67Douglas Gregor class NonTypeTemplateParmDecl; 787532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor class TemplateTemplateParmDecl; 795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TagDecl; 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class RecordDecl; 8149aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis class CXXRecordDecl; 825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class EnumDecl; 8321d50e12c3c412d8457071dc419363b7a7e8b855Ted Kremenek class FieldDecl; 84a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCInterfaceDecl; 85a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCProtocolDecl; 86a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCMethodDecl; 87ed97649e9574b9d854fa4d6109c9333ae0993554John McCall class UnresolvedUsingTypenameDecl; 885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 89b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek class Stmt; 905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class SourceLocation; 9192866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek class StmtIteratorBase; 9240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor class TemplateArgument; 93833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall class TemplateArgumentLoc; 94d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall class TemplateArgumentListInfo; 95ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall class Type; 96465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara class ElaboratedType; 973b4ea54acf01f72f6eb74d96689dda86d950228fDaniel Dunbar struct PrintingPolicy; 9872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 99ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall template <typename> class CanQual; 100ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall typedef CanQual<Type> CanQualType; 101ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall 10272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // Provide forward declarations for all of the *Type classes 10372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) class Class##Type; 10472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 105f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// Qualifiers - The collection of all-type qualifiers we support. 1070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// Clang supports five independent qualifiers: 1080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * C99: const, volatile, and restrict 1090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * Embedded C (TR18037): address spaces 1100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * Objective C: the GC attributes (none, weak, or strong) 1110953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass Qualifiers { 1125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum TQ { // NOTE: These flags must be kept in sync with DeclSpec::TQ. 1145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Const = 0x1, 1155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Restrict = 0x2, 1165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Volatile = 0x4, 1170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CVRMask = Const | Volatile | Restrict 1185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 1191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum GC { 121d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian GCNone = 0, 122d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian Weak, 123d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian Strong 124d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian }; 125efadb7768e7c7418185f5a4010ecd8b21ca9731bJohn McCall 1260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum { 1270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The maximum supported address space number. 1280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 24 bits should be enough for anyone. 1290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall MaxAddressSpace = 0xffffffu, 1300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The width of the "fast" qualifier mask. 1320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FastWidth = 2, 1330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The fast qualifier mask. 1350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FastMask = (1 << FastWidth) - 1 1360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall }; 1370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers() : Mask(0) {} 1390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromFastMask(unsigned Mask) { 1410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.addFastQualifiers(Mask); 1430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromCVRMask(unsigned CVR) { 1470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.addCVRQualifiers(CVR); 1490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Deserialize qualifiers from an opaque representation. 1530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromOpaqueValue(unsigned opaque) { 1540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.Mask = opaque; 1560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Serialize these qualifiers into an opaque representation. 1600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAsOpaqueValue() const { 1610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Mask; 1620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasConst() const { return Mask & Const; } 1650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setConst(bool flag) { 1660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Const) | (flag ? Const : 0); 1670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeConst() { Mask &= ~Const; } 1690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { Mask |= Const; } 1700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasVolatile() const { return Mask & Volatile; } 1720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setVolatile(bool flag) { 1730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Volatile) | (flag ? Volatile : 0); 1740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeVolatile() { Mask &= ~Volatile; } 1760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addVolatile() { Mask |= Volatile; } 1770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasRestrict() const { return Mask & Restrict; } 1790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setRestrict(bool flag) { 1800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Restrict) | (flag ? Restrict : 0); 1810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeRestrict() { Mask &= ~Restrict; } 1830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addRestrict() { Mask |= Restrict; } 1840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasCVRQualifiers() const { return getCVRQualifiers(); } 1860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getCVRQualifiers() const { return Mask & CVRMask; } 1870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setCVRQualifiers(unsigned mask) { 1880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 1890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~CVRMask) | mask; 1900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers(unsigned mask) { 1920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 1930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask &= ~mask; 1940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers() { 1960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeCVRQualifiers(CVRMask); 1970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addCVRQualifiers(unsigned mask) { 1990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 2000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= mask; 2010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasObjCGCAttr() const { return Mask & GCAttrMask; } 2040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GC getObjCGCAttr() const { return GC((Mask & GCAttrMask) >> GCAttrShift); } 2050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setObjCGCAttr(GC type) { 2060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~GCAttrMask) | (type << GCAttrShift); 2070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeObjCGCAttr() { setObjCGCAttr(GCNone); } 2090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addObjCGCAttr(GC type) { 2100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(type); 2110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall setObjCGCAttr(type); 2120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasAddressSpace() const { return Mask & AddressSpaceMask; } 2150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAddressSpace() const { return Mask >> AddressSpaceShift; } 2160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setAddressSpace(unsigned space) { 2170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(space <= MaxAddressSpace); 2180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~AddressSpaceMask) 2190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall | (((uint32_t) space) << AddressSpaceShift); 2200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeAddressSpace() { setAddressSpace(0); } 2220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addAddressSpace(unsigned space) { 2230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(space); 2240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall setAddressSpace(space); 2250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast qualifiers are those that can be allocated directly 2280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // on a QualType object. 2290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasFastQualifiers() const { return getFastQualifiers(); } 2300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getFastQualifiers() const { return Mask & FastMask; } 2310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setFastQualifiers(unsigned mask) { 2320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~FastMask) | mask; 2340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers(unsigned mask) { 2360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask &= ~mask; 2380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers() { 2400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(FastMask); 2410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned mask) { 2430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= mask; 2450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// hasNonFastQualifiers - Return true if the set contains any 2480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers which require an ExtQuals node to be allocated. 2490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasNonFastQualifiers() const { return Mask & ~FastMask; } 2500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getNonFastQualifiers() const { 2510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals = *this; 2520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.setFastQualifiers(0); 2530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Quals; 2540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// hasQualifiers - Return true if the set contains any qualifiers. 2570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasQualifiers() const { return Mask; } 2580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool empty() const { return !Mask; } 2590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// \brief Add the qualifiers from the given set to this set. 2610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addQualifiers(Qualifiers Q) { 2620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the other set doesn't have any non-boolean qualifiers, just 2630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // bit-or it in. 2640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!(Q.Mask & ~CVRMask)) 2650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= Q.Mask; 2660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall else { 2670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= (Q.Mask & CVRMask); 2680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Q.hasAddressSpace()) 2690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addAddressSpace(Q.getAddressSpace()); 2700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Q.hasObjCGCAttr()) 2710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addObjCGCAttr(Q.getObjCGCAttr()); 2720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 275b87786f045d798b070980c108c922e1475d27b15Douglas Gregor bool isSupersetOf(Qualifiers Other) const; 276b87786f045d798b070980c108c922e1475d27b15Douglas Gregor 2770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator==(Qualifiers Other) const { return Mask == Other.Mask; } 2780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator!=(Qualifiers Other) const { return Mask != Other.Mask; } 2790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall operator bool() const { return hasQualifiers(); } 2810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers &operator+=(Qualifiers R) { 2830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addQualifiers(R); 2840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return *this; 2850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Union two qualifier sets. If an enumerated qualifier appears 2880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // in both sets, use the one from the right. 2890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend Qualifiers operator+(Qualifiers L, Qualifiers R) { 2900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall L += R; 2910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return L; 2920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2933cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor 2943cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor Qualifiers &operator-=(Qualifiers R) { 2953cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor Mask = Mask & ~(R.Mask); 2963cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor return *this; 2973cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor } 2980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2993cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor /// \brief Compute the difference between two qualifier sets. 3003cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor friend Qualifiers operator-(Qualifiers L, Qualifiers R) { 3013cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor L -= R; 3023cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor return L; 3033cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor } 3043cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor 3050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string getAsString() const; 3060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string getAsString(const PrintingPolicy &Policy) const { 3070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string Buffer; 3080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getAsStringInternal(Buffer, Policy); 3090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Buffer; 3100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void getAsStringInternal(std::string &S, const PrintingPolicy &Policy) const; 3120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) const { 3140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ID.AddInteger(Mask); 3150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3170953e767ff7817f97b3ab20896b229891eeff45bJohn McCallprivate: 3180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // bits: |0 1 2|3 .. 4|5 .. 31| 3200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // |C R V|GCAttr|AddrSpace| 3210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall uint32_t Mask; 3220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrMask = 0x18; 3240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrShift = 3; 3250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t AddressSpaceMask = ~(CVRMask | GCAttrMask); 3260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t AddressSpaceShift = 5; 3270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 3280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// ExtQuals - We can encode up to three bits in the low bits of a 3310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// type pointer, but there are many more type qualifiers that we want 3320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// to be able to apply to an arbitrary type. Therefore we have this 3330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// struct, intended to be heap-allocated and used by QualType to 3340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// store qualifiers. 3350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 3360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// The current design tags the 'const' and 'restrict' qualifiers in 3370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// two low bits on the QualType pointer; a third bit records whether 3380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// the pointer is an ExtQuals node. 'const' was chosen because it is 3390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// orders of magnitude more common than the other two qualifiers, in 3400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// both library and user code. It's relatively rare to see 3410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 'restrict' in user code, but many standard C headers are saturated 3420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// with 'restrict' declarations, so that representing them efficiently 3430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// is a critical goal of this representation. 3440953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass ExtQuals : public llvm::FoldingSetNode { 3450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // NOTE: changing the fast qualifiers should be straightforward as 3460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // long as you don't make 'const' non-fast. 3470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // 1. Qualifiers: 3480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // a) Modify the bitmasks (Qualifiers::TQ and DeclSpec::TQ). 3490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast qualifiers must occupy the low-order bits. 3500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // b) Update Qualifiers::FastWidth and FastMask. 3510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // 2. QualType: 3520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // a) Update is{Volatile,Restrict}Qualified(), defined inline. 3530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // b) Update remove{Volatile,Restrict}, defined near the end of 3540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this header. 3550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // 3. ASTContext: 3560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // a) Update get{Volatile,Restrict}Type. 3570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Context - the context to which this set belongs. We save this 3590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// here so that QualifierCollector can use it to reapply extended 3600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers to an arbitrary type without requiring a context to 3610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// be pushed through every single API dealing with qualifiers. 3620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ASTContext& Context; 3630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// BaseType - the underlying type that this qualifies 3650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *BaseType; 3660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Quals - the immutable set of qualifiers applied by this 3680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// node; always contains extended qualifiers. 3690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals; 3700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3710953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 3720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQuals(ASTContext& Context, const Type *Base, Qualifiers Quals) 3730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Context(Context), BaseType(Base), Quals(Quals) 3740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall { 3750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(Quals.hasNonFastQualifiers() 3760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "ExtQuals created with no fast qualifiers"); 3770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasFastQualifiers() 3780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "ExtQuals created with fast qualifiers"); 3790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getQualifiers() const { return Quals; } 3820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasVolatile() const { return Quals.hasVolatile(); } 3840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasObjCGCAttr() const { return Quals.hasObjCGCAttr(); } 3860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC getObjCGCAttr() const { return Quals.getObjCGCAttr(); } 3870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasAddressSpace() const { return Quals.hasAddressSpace(); } 3890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAddressSpace() const { return Quals.getAddressSpace(); } 3900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *getBaseType() const { return BaseType; } 3921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ASTContext &getContext() const { return Context; } 3940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3950953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 3960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) const { 3970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Profile(ID, getBaseType(), Quals); 3980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, 4000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *BaseType, 4010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals) { 4020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasFastQualifiers() && "fast qualifiers in ExtQuals hash!"); 4030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ID.AddPointer(BaseType); 4040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.Profile(ID); 4050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 4070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 408ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor/// CallingConv - Specifies the calling convention that a function uses. 409ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregorenum CallingConv { 410ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_Default, 411ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_C, // __attribute__((cdecl)) 412ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_X86StdCall, // __attribute__((stdcall)) 413f813a2c03fcb05381b3252010435f557eb6b3cdeDouglas Gregor CC_X86FastCall, // __attribute__((fastcall)) 41452fc314e1b5e1baee6305067cf831763d02bd243Dawn Perchik CC_X86ThisCall, // __attribute__((thiscall)) 41552fc314e1b5e1baee6305067cf831763d02bd243Dawn Perchik CC_X86Pascal // __attribute__((pascal)) 416ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor}; 417ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 4180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// QualType - For efficiency, we don't store CV-qualified types as nodes on 4200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// their own: instead each reference to a type stores the qualifiers. This 4210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// greatly reduces the number of nodes we need to allocate for types (for 4220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// example we only need one for 'int', 'const int', 'volatile int', 4230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 'const volatile int', etc). 4240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 4250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// As an added efficiency bonus, instead of making this a pair, we 4260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// just store the two bits we care about in the low bits of the 4270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// pointer. To handle the packing/unpacking, we make QualType be a 4280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// simple wrapper class that acts like a smart pointer. A third bit 4290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// indicates whether there are extended qualifiers present, in which 4300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// case the pointer points to a special structure. 4310953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualType { 4320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Thankfully, these are efficiently composable. 4330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::PointerIntPair<llvm::PointerUnion<const Type*,const ExtQuals*>, 4340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::FastWidth> Value; 4350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *getExtQualsUnsafe() const { 4370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const ExtQuals*>(); 4380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *getTypePtrUnsafe() const { 4410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const Type*>(); 4420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 444fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor QualType getUnqualifiedTypeSlow() const; 445fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend class QualifierCollector; 4470953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 4485cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType() {} 4491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4505cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType(const Type *Ptr, unsigned Quals) 4510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 4520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType(const ExtQuals *Ptr, unsigned Quals) 4530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 4540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 455a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalFastQualifiers() const { return Value.getInt(); } 456a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor void setLocalFastQualifiers(unsigned Quals) { Value.setInt(Quals); } 4575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Retrieves a pointer to the underlying (unqualified) type. 4590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// This should really return a const Type, but it's not worth 4600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// changing all the users right now. 4610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Type *getTypePtr() const { 462a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) 4630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return const_cast<Type*>(getExtQualsUnsafe()->getBaseType()); 4640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return const_cast<Type*>(getTypePtrUnsafe()); 4650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4675cf243a883872441d73ca49cea7e20de5802629bChris Lattner void *getAsOpaquePtr() const { return Value.getOpaqueValue(); } 4685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static QualType getFromOpaquePtr(void *Ptr) { 4695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType T; 4705cf243a883872441d73ca49cea7e20de5802629bChris Lattner T.Value.setFromOpaqueValue(Ptr); 4715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T; 4725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type &operator*() const { 4755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return *getTypePtr(); 4765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *operator->() const { 4795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getTypePtr(); 4805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 482467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonical() const; 48354e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isCanonicalAsParam() const; 484467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 4855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isNull - Return true if this QualType doesn't point to a type yet. 4865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isNull() const { 4870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().isNull(); 4885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 490a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 491a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "const" qualifier set, without looking through typedefs that may have 492a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "const" at a different level. 493a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalConstQualified() const { 494a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Const); 4950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 496a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 497a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is const-qualified. 498fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isConstQualified() const; 499a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 500a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 501a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "restrict" qualifier set, without looking through typedefs that may have 502a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "restrict" at a different level. 503a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalRestrictQualified() const { 504a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Restrict); 505a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor } 506a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 507a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is restrict-qualified. 508fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isRestrictQualified() const; 509a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 510a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 511a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "volatile" qualifier set, without looking through typedefs that may have 512a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "volatile" at a different level. 513a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalVolatileQualified() const { 514a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (hasLocalNonFastQualifiers() && getExtQualsUnsafe()->hasVolatile()); 5155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 517a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is volatile-qualified. 518fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isVolatileQualified() const; 519a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 520a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 521a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers, without looking through any typedefs that might add 522a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers at a different level. 523a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalQualifiers() const { 524a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return getLocalFastQualifiers() || hasLocalNonFastQualifiers(); 5250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 527a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type has any qualifiers. 528fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool hasQualifiers() const; 529a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 530a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 531a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "non-fast" qualifiers, e.g., those that are stored in an ExtQualType 532a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance. 533a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalNonFastQualifiers() const { 534a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return Value.getPointer().is<const ExtQuals*>(); 5350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 537a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers local to this particular QualType 538a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance, not including any qualifiers acquired through typedefs or 539a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// other sugar. 540a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers getLocalQualifiers() const { 5410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals; 542a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) 5430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals = getExtQualsUnsafe()->getQualifiers(); 544a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Quals.addFastQualifiers(getLocalFastQualifiers()); 5450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Quals; 5460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 548a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers applied to this type. 549fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Qualifiers getQualifiers() const; 550a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 551a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 552a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// local to this particular QualType instance, not including any qualifiers 553a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// acquired through typedefs or other sugar. 554a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalCVRQualifiers() const { 555a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned CVR = getLocalFastQualifiers(); 556a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (isLocalVolatileQualified()) 557a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor CVR |= Qualifiers::Volatile; 5580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return CVR; 5595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 560b381aac9bae6d608c72267dd0ed08ec6369e94e4Nuno Lopes 561a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 562a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// applied to this type. 563fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor unsigned getCVRQualifiers() const; 564e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 565e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 566e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth /// applied to this type, looking through any number of unqualified array 567e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth /// types to their element types' qualifiers. 568e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned getCVRQualifiersThroughArrayTypes() const; 569e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 570bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isConstant(ASTContext& Ctx) const { 571bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return QualType::isConstant(*this, Ctx); 572bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 5731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Don't promise in the API that anything besides 'const' can be 5750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // easily added. 5760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// addConst - add the specified type qualifier to this QualType. 5780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { 5790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addFastQualifiers(Qualifiers::Const); 5800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withConst() const { 5820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return withFastQualifiers(Qualifiers::Const); 5830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned TQs) { 5860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(TQs & ~Qualifiers::FastMask) 5870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "non-fast qualifier bits set in mask!"); 5880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() | TQs); 5890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 591a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor // FIXME: The remove* functions are semantically broken, because they might 592a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor // not remove a qualifier stored on a typedef. Most of the with* functions 593a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor // have the same problem. 5940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeConst(); 5950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeVolatile(); 5960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeRestrict(); 5970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers(unsigned Mask); 5980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers() { Value.setInt(0); } 6000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers(unsigned Mask) { 6010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(Mask & ~Qualifiers::FastMask) && "mask has non-fast qualifiers"); 6020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() & ~Mask); 6030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with the given qualifiers in addition to any 6060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualifiers already on this type. 6070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withFastQualifiers(unsigned TQs) const { 6080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 6090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall T.addFastQualifiers(TQs); 6100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 6110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6121c6a38bcea17801e9a4738753aee845381af2b6cSanjiv Gupta 6130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with exactly the given fast qualifiers, removing 6140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // any existing fast qualifiers. 6150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withExactFastQualifiers(unsigned TQs) const { 6160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return withoutFastQualifiers().withFastQualifiers(TQs); 6175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 6190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Removes fast qualifiers, but leaves any extended qualifiers in place. 6200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withoutFastQualifiers() const { 6210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 6220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall T.removeFastQualifiers(); 6230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 624c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 625971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis 626a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Return this type with all of the instance-specific qualifiers 627a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// removed, but without removing any qualifiers that may have been applied 628a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// through typedefs. 629a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor QualType getLocalUnqualifiedType() const { return QualType(getTypePtr(), 0); } 6301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 631a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Return the unqualified form of the given type, which might be 632a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// desugared to eliminate qualifiers introduced via typedefs. 633fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor QualType getUnqualifiedType() const { 634fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor QualType T = getLocalUnqualifiedType(); 635fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor if (!T.hasQualifiers()) 636fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return T; 637fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 638fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return getUnqualifiedTypeSlow(); 639a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor } 640a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 641e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isMoreQualifiedThan(QualType Other) const; 642e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isAtLeastAsQualifiedAs(QualType Other) const; 643e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor QualType getNonReferenceType() const; 6441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6456398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// \brief Determine the type of a (typically non-lvalue) expression with the 6466398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// specified result type. 6475291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// 6486398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// This routine should be used for expressions for which the return type is 6496398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// explicitly specified (e.g., in a cast or call) and isn't necessarily 6506398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// an lvalue. It removes a top-level reference (since there are no 6515291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// expressions of reference type) and deletes top-level cvr-qualifiers 6525291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// from non-class types (in C++) or all types (in C). 6536398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor QualType getNonLValueExprType(ASTContext &Context) const; 6545291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 6552fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// getDesugaredType - Return the specified type with any "sugar" removed from 6562fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type. This takes off typedefs, typeof's etc. If the outer level of 6572fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type is already concrete, it returns it unmodified. This is similar 6582fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// to getting the canonical type, but it doesn't remove *all* typedefs. For 6592fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// example, it returns "T*" as "T*", (not as "int*"), because the pointer is 6602fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// concrete. 6610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 6620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Qualifiers are left in place. 663bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType getDesugaredType() const { 664bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return QualType::getDesugaredType(*this); 665bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 66698cd599ee8a9b259ed7388ee2921a20d97658864Douglas Gregor 6675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// operator==/!= - Indicate whether the specified types and qualifiers are 6685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// identical. 66950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator==(const QualType &LHS, const QualType &RHS) { 67050d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value == RHS.Value; 6715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 67250d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator!=(const QualType &LHS, const QualType &RHS) { 67350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value != RHS.Value; 6745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 675d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor std::string getAsString() const; 676d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor 677d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor std::string getAsString(const PrintingPolicy &Policy) const { 6785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::string S; 679d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor getAsStringInternal(S, Policy); 6805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return S; 6815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 682e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner void getAsStringInternal(std::string &Str, 683e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const PrintingPolicy &Policy) const; 6841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 685c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump(const char *s) const; 686c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 6871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6883f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) const { 6893f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek ID.AddPointer(getAsOpaquePtr()); 6903f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek } 6915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 692ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// getAddressSpace - Return the address space of this type. 693ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb inline unsigned getAddressSpace() const; 6941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 695d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// GCAttrTypesAttr - Returns gc attribute of this type. 6960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall inline Qualifiers::GC getObjCGCAttr() const; 697f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 698f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCWeak true when Type is objc's weak. 699f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCWeak() const { 7000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Weak; 701f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 702f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 703f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCStrong true when Type is objc's strong. 704f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCStrong() const { 7050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Strong; 706f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 7072455636163fdd18581d7fdae816433f886d88213Mike Stump 708bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCallprivate: 709bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // These methods are implemented in a separate translation unit; 710bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // "static"-ize them to avoid creating temporary QualTypes in the 711bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // caller. 712bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall static bool isConstant(QualType T, ASTContext& Ctx); 713bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall static QualType getDesugaredType(QualType T); 7145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end clang. 7175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace llvm { 7195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Implement simplify_type for QualType, so that we can dyn_cast from QualType 7205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// to a specific Type class. 7215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type<const ::clang::QualType> { 7225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef ::clang::Type* SimpleType; 7235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static SimpleType getSimplifiedValue(const ::clang::QualType &Val) { 7245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return Val.getTypePtr(); 7255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type< ::clang::QualType> 7285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : public simplify_type<const ::clang::QualType> {}; 7291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7304e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner// Teach SmallPtrSet that QualType is "basically a pointer". 7314e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnertemplate<> 732daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattnerclass PointerLikeTypeTraits<clang::QualType> { 7334e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnerpublic: 7344e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline void *getAsVoidPointer(clang::QualType P) { 7354e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return P.getAsOpaquePtr(); 7364e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 7374e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline clang::QualType getFromVoidPointer(void *P) { 7384e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return clang::QualType::getFromOpaquePtr(P); 7394e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 7400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Various qualifiers go in low bits. 7410eda3b31a672ea486fa92b9bc49a2c91be856b53Chris Lattner enum { NumLowBitsAvailable = 0 }; 7424e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner}; 7431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 74473af669633e13c813f80cd15ecf3e6414778aee4Ted Kremenek} // end namespace llvm 7455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 7475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Type - This is the base class of the type hierarchy. A central concept 7495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// with types is that each type always has a canonical type. A canonical type 7505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is the type with any typedef names stripped out of it or the types it 7515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// references. For example, consider: 7525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef int foo; 7545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef foo* bar; 7555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int *' 'foo *' 'bar' 7565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// There will be a Type object created for 'int'. Since int is canonical, its 7585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonicaltype pointer points to itself. There is also a Type for 'foo' (a 75972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypedefType). Its CanonicalType pointer points to the 'int' Type. Next 7605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// there is a PointerType that represents 'int*', which, like 'int', is 7615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonical. Finally, there is a PointerType type for 'foo*' whose canonical 76272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// type is 'int*', and there is a TypedefType for 'bar', whose canonical type 7635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is also 'int*'. 7645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Non-canonical types are useful for emitting diagnostics, without losing 7665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// information about typedefs being used. Canonical types are useful for type 7675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// comparisons (they allow by-pointer equality tests) and useful for reasoning 7685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// about whether something has a particular form (e.g. is a function type), 7695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// because they implicitly, recursively, strip all typedefs out of a type. 7705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Types, once created, are immutable. 7725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Type { 7745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum TypeClass { 77672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) Class, 77727935ee59c30b0d8b610ab676aab8e65350af932John McCall#define LAST_TYPE(Class) TypeLast = Class, 77872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 77972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 78072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor TagFirst = Record, TagLast = Enum 7815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 7821bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 7835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 784c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Type(const Type&); // DO NOT IMPLEMENT. 785c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void operator=(const Type&); // DO NOT IMPLEMENT. 786c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 7875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType CanonicalType; 7885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 789b870b88df784c2940efce448ebfaf54dece14666John McCall /// Bitfields required by the Type class. 790b870b88df784c2940efce448ebfaf54dece14666John McCall class TypeBitfields { 791b870b88df784c2940efce448ebfaf54dece14666John McCall friend class Type; 79227935ee59c30b0d8b610ab676aab8e65350af932John McCall 793b870b88df784c2940efce448ebfaf54dece14666John McCall /// TypeClass bitfield - Enum that specifies what subclass this belongs to. 794b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned TC : 8; 795b870b88df784c2940efce448ebfaf54dece14666John McCall 796b870b88df784c2940efce448ebfaf54dece14666John McCall /// Dependent - Whether this type is a dependent type (C++ [temp.dep.type]). 797b870b88df784c2940efce448ebfaf54dece14666John McCall /// Note that this should stay at the end of the ivars for Type so that 798b870b88df784c2940efce448ebfaf54dece14666John McCall /// subclasses can pack their bitfields into the same word. 799bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned Dependent : 1; 80060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 801b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Whether this type is a variably-modified type (C99 6.7.5). 802bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned VariablyModified : 1; 80335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 8041fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Nonzero if the cache (i.e. the bitfields here starting 8051fb0caaa7bef765b85972274e3b434af2572c141John McCall /// with 'Cache') is valid. If so, then this is a 8061fb0caaa7bef765b85972274e3b434af2572c141John McCall /// LangOptions::VisibilityMode+1. 8071fb0caaa7bef765b85972274e3b434af2572c141John McCall mutable unsigned CacheValidAndVisibility : 2; 80860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 809b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Linkage of this type. 810b870b88df784c2940efce448ebfaf54dece14666John McCall mutable unsigned CachedLinkage : 2; 81107a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 812b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Whether this type involves and local or unnamed types. 813bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet mutable unsigned CachedLocalOrUnnamed : 1; 814db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor 815b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief FromAST - Whether this type comes from an AST file. 816bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet mutable unsigned FromAST : 1; 817b870b88df784c2940efce448ebfaf54dece14666John McCall 8181fb0caaa7bef765b85972274e3b434af2572c141John McCall bool isCacheValid() const { 8191fb0caaa7bef765b85972274e3b434af2572c141John McCall return (CacheValidAndVisibility != 0); 8201fb0caaa7bef765b85972274e3b434af2572c141John McCall } 8211fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility getVisibility() const { 8221fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 8231fb0caaa7bef765b85972274e3b434af2572c141John McCall return static_cast<Visibility>(CacheValidAndVisibility-1); 8241fb0caaa7bef765b85972274e3b434af2572c141John McCall } 8251fb0caaa7bef765b85972274e3b434af2572c141John McCall Linkage getLinkage() const { 8261fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 8271fb0caaa7bef765b85972274e3b434af2572c141John McCall return static_cast<Linkage>(CachedLinkage); 8281fb0caaa7bef765b85972274e3b434af2572c141John McCall } 8291fb0caaa7bef765b85972274e3b434af2572c141John McCall bool hasLocalOrUnnamedType() const { 8301fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 8311fb0caaa7bef765b85972274e3b434af2572c141John McCall return CachedLocalOrUnnamed; 8321fb0caaa7bef765b85972274e3b434af2572c141John McCall } 833b870b88df784c2940efce448ebfaf54dece14666John McCall }; 834b870b88df784c2940efce448ebfaf54dece14666John McCall enum { NumTypeBits = 16 }; 835b870b88df784c2940efce448ebfaf54dece14666John McCall 836b870b88df784c2940efce448ebfaf54dece14666John McCallprotected: 837b870b88df784c2940efce448ebfaf54dece14666John McCall // These classes allow subclasses to somewhat cleanly pack bitfields 838b870b88df784c2940efce448ebfaf54dece14666John McCall // into Type. 839b870b88df784c2940efce448ebfaf54dece14666John McCall 840b870b88df784c2940efce448ebfaf54dece14666John McCall class ArrayTypeBitfields { 841b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ArrayType; 842b870b88df784c2940efce448ebfaf54dece14666John McCall 843b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 844b870b88df784c2940efce448ebfaf54dece14666John McCall 845b870b88df784c2940efce448ebfaf54dece14666John McCall /// IndexTypeQuals - CVR qualifiers from declarations like 846b870b88df784c2940efce448ebfaf54dece14666John McCall /// 'int X[static restrict 4]'. For function parameters only. 847b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned IndexTypeQuals : 3; 848b870b88df784c2940efce448ebfaf54dece14666John McCall 849b870b88df784c2940efce448ebfaf54dece14666John McCall /// SizeModifier - storage class qualifiers from declarations like 850b870b88df784c2940efce448ebfaf54dece14666John McCall /// 'int X[static restrict 4]'. For function parameters only. 851b870b88df784c2940efce448ebfaf54dece14666John McCall /// Actually an ArrayType::ArraySizeModifier. 852b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned SizeModifier : 3; 853b870b88df784c2940efce448ebfaf54dece14666John McCall }; 854b870b88df784c2940efce448ebfaf54dece14666John McCall 855b870b88df784c2940efce448ebfaf54dece14666John McCall class BuiltinTypeBitfields { 856b870b88df784c2940efce448ebfaf54dece14666John McCall friend class BuiltinType; 857b870b88df784c2940efce448ebfaf54dece14666John McCall 858b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 859b870b88df784c2940efce448ebfaf54dece14666John McCall 860b870b88df784c2940efce448ebfaf54dece14666John McCall /// The kind (BuiltinType::Kind) of builtin type this is. 861b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned Kind : 8; 862b870b88df784c2940efce448ebfaf54dece14666John McCall }; 863b870b88df784c2940efce448ebfaf54dece14666John McCall 864b870b88df784c2940efce448ebfaf54dece14666John McCall class FunctionTypeBitfields { 865b870b88df784c2940efce448ebfaf54dece14666John McCall friend class FunctionType; 866b870b88df784c2940efce448ebfaf54dece14666John McCall 867b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 868b870b88df784c2940efce448ebfaf54dece14666John McCall 869b870b88df784c2940efce448ebfaf54dece14666John McCall /// Extra information which affects how the function is called, like 870b870b88df784c2940efce448ebfaf54dece14666John McCall /// regparm and the calling convention. 871b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned ExtInfo : 8; 872b870b88df784c2940efce448ebfaf54dece14666John McCall 873b870b88df784c2940efce448ebfaf54dece14666John McCall /// A bit to be used by the subclass. 874bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned SubclassInfo : 1; 875b870b88df784c2940efce448ebfaf54dece14666John McCall 876b870b88df784c2940efce448ebfaf54dece14666John McCall /// TypeQuals - Used only by FunctionProtoType, put here to pack with the 877b870b88df784c2940efce448ebfaf54dece14666John McCall /// other bitfields. 878b870b88df784c2940efce448ebfaf54dece14666John McCall /// The qualifiers are part of FunctionProtoType because... 879b870b88df784c2940efce448ebfaf54dece14666John McCall /// 880b870b88df784c2940efce448ebfaf54dece14666John McCall /// C++ 8.3.5p4: The return type, the parameter type list and the 881b870b88df784c2940efce448ebfaf54dece14666John McCall /// cv-qualifier-seq, [...], are part of the function type. 882b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned TypeQuals : 3; 883b870b88df784c2940efce448ebfaf54dece14666John McCall }; 884b870b88df784c2940efce448ebfaf54dece14666John McCall 885b870b88df784c2940efce448ebfaf54dece14666John McCall class ObjCObjectTypeBitfields { 886b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ObjCObjectType; 887b870b88df784c2940efce448ebfaf54dece14666John McCall 888b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 889b870b88df784c2940efce448ebfaf54dece14666John McCall 890b870b88df784c2940efce448ebfaf54dece14666John McCall /// NumProtocols - The number of protocols stored directly on this 891b870b88df784c2940efce448ebfaf54dece14666John McCall /// object type. 892b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned NumProtocols : 32 - NumTypeBits; 893b870b88df784c2940efce448ebfaf54dece14666John McCall }; 894b870b88df784c2940efce448ebfaf54dece14666John McCall 895b870b88df784c2940efce448ebfaf54dece14666John McCall class ReferenceTypeBitfields { 896b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ReferenceType; 897b870b88df784c2940efce448ebfaf54dece14666John McCall 898b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 899b870b88df784c2940efce448ebfaf54dece14666John McCall 900b870b88df784c2940efce448ebfaf54dece14666John McCall /// True if the type was originally spelled with an lvalue sigil. 901b870b88df784c2940efce448ebfaf54dece14666John McCall /// This is never true of rvalue references but can also be false 902b870b88df784c2940efce448ebfaf54dece14666John McCall /// on lvalue references because of C++0x [dcl.typedef]p9, 903b870b88df784c2940efce448ebfaf54dece14666John McCall /// as follows: 904b870b88df784c2940efce448ebfaf54dece14666John McCall /// 905b870b88df784c2940efce448ebfaf54dece14666John McCall /// typedef int &ref; // lvalue, spelled lvalue 906b870b88df784c2940efce448ebfaf54dece14666John McCall /// typedef int &&rvref; // rvalue 907b870b88df784c2940efce448ebfaf54dece14666John McCall /// ref &a; // lvalue, inner ref, spelled lvalue 908b870b88df784c2940efce448ebfaf54dece14666John McCall /// ref &&a; // lvalue, inner ref 909b870b88df784c2940efce448ebfaf54dece14666John McCall /// rvref &a; // lvalue, inner ref, spelled lvalue 910b870b88df784c2940efce448ebfaf54dece14666John McCall /// rvref &&a; // rvalue, inner ref 911bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned SpelledAsLValue : 1; 912b870b88df784c2940efce448ebfaf54dece14666John McCall 913b870b88df784c2940efce448ebfaf54dece14666John McCall /// True if the inner type is a reference type. This only happens 914b870b88df784c2940efce448ebfaf54dece14666John McCall /// in non-canonical forms. 915bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned InnerRef : 1; 916b870b88df784c2940efce448ebfaf54dece14666John McCall }; 917b870b88df784c2940efce448ebfaf54dece14666John McCall 91877be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall class TypeWithKeywordBitfields { 91977be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall friend class TypeWithKeyword; 92077be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 92177be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned : NumTypeBits; 92277be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 92377be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall /// An ElaboratedTypeKeyword. 8 bits for efficient access. 92477be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned Keyword : 8; 92577be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall }; 92677be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 927b870b88df784c2940efce448ebfaf54dece14666John McCall class VectorTypeBitfields { 928b870b88df784c2940efce448ebfaf54dece14666John McCall friend class VectorType; 92907a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 930b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 93171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 932b870b88df784c2940efce448ebfaf54dece14666John McCall /// AltiVecSpec - AltiVec-specific vector information, used 933b870b88df784c2940efce448ebfaf54dece14666John McCall /// to differentiate things like 'pixel'. 934b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned AltiVecSpec : 2; 935b870b88df784c2940efce448ebfaf54dece14666John McCall 936b870b88df784c2940efce448ebfaf54dece14666John McCall /// NumElements - The number of elements in the vector. 937b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned NumElements : 30 - NumTypeBits; 938b870b88df784c2940efce448ebfaf54dece14666John McCall }; 939b870b88df784c2940efce448ebfaf54dece14666John McCall 940b870b88df784c2940efce448ebfaf54dece14666John McCall union { 941b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBitfields TypeBits; 942b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBitfields ArrayTypeBits; 943b870b88df784c2940efce448ebfaf54dece14666John McCall BuiltinTypeBitfields BuiltinTypeBits; 944b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBitfields FunctionTypeBits; 945b870b88df784c2940efce448ebfaf54dece14666John McCall ObjCObjectTypeBitfields ObjCObjectTypeBits; 946b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBitfields ReferenceTypeBits; 94777be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall TypeWithKeywordBitfields TypeWithKeywordBits; 948b870b88df784c2940efce448ebfaf54dece14666John McCall VectorTypeBitfields VectorTypeBits; 949b870b88df784c2940efce448ebfaf54dece14666John McCall }; 950b870b88df784c2940efce448ebfaf54dece14666John McCall 951b870b88df784c2940efce448ebfaf54dece14666John McCallprivate: 9523c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Set whether this type comes from an AST file. 9533c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl void setFromAST(bool V = true) const { 954b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.FromAST = V; 95507a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl } 95607a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 9571fb0caaa7bef765b85972274e3b434af2572c141John McCall void ensureCachedProperties() const; 9581fb0caaa7bef765b85972274e3b434af2572c141John McCall 9595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 9601fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Compute the cached properties of this type. 9611fb0caaa7bef765b85972274e3b434af2572c141John McCall class CachedProperties { 9621fb0caaa7bef765b85972274e3b434af2572c141John McCall char linkage; 9631fb0caaa7bef765b85972274e3b434af2572c141John McCall char visibility; 9641fb0caaa7bef765b85972274e3b434af2572c141John McCall bool local; 9651fb0caaa7bef765b85972274e3b434af2572c141John McCall 9661fb0caaa7bef765b85972274e3b434af2572c141John McCall public: 9671fb0caaa7bef765b85972274e3b434af2572c141John McCall CachedProperties(Linkage linkage, Visibility visibility, bool local) 9681fb0caaa7bef765b85972274e3b434af2572c141John McCall : linkage(linkage), visibility(visibility), local(local) {} 9691fb0caaa7bef765b85972274e3b434af2572c141John McCall 9701fb0caaa7bef765b85972274e3b434af2572c141John McCall Linkage getLinkage() const { return (Linkage) linkage; } 9711fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility getVisibility() const { return (Visibility) visibility; } 9721fb0caaa7bef765b85972274e3b434af2572c141John McCall bool hasLocalOrUnnamedType() const { return local; } 9731fb0caaa7bef765b85972274e3b434af2572c141John McCall 9741fb0caaa7bef765b85972274e3b434af2572c141John McCall friend CachedProperties merge(CachedProperties L, CachedProperties R) { 9751fb0caaa7bef765b85972274e3b434af2572c141John McCall return CachedProperties(minLinkage(L.getLinkage(), R.getLinkage()), 9761fb0caaa7bef765b85972274e3b434af2572c141John McCall minVisibility(L.getVisibility(), R.getVisibility()), 9771fb0caaa7bef765b85972274e3b434af2572c141John McCall L.hasLocalOrUnnamedType() | R.hasLocalOrUnnamedType()); 9781fb0caaa7bef765b85972274e3b434af2572c141John McCall } 9791fb0caaa7bef765b85972274e3b434af2572c141John McCall }; 9801fb0caaa7bef765b85972274e3b434af2572c141John McCall 9811fb0caaa7bef765b85972274e3b434af2572c141John McCall virtual CachedProperties getCachedProperties() const; 9821fb0caaa7bef765b85972274e3b434af2572c141John McCall static CachedProperties getCachedProperties(QualType T) { 9831fb0caaa7bef765b85972274e3b434af2572c141John McCall return getCachedProperties(T.getTypePtr()); 9841fb0caaa7bef765b85972274e3b434af2572c141John McCall } 9851fb0caaa7bef765b85972274e3b434af2572c141John McCall static CachedProperties getCachedProperties(const Type *T); 98671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 987124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser // silence VC++ warning C4355: 'this' : used in base member initializer list 988124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser Type *this_() { return this; } 98935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(TypeClass tc, QualType Canonical, bool Dependent, bool VariablyModified) 990b870b88df784c2940efce448ebfaf54dece14666John McCall : CanonicalType(Canonical.isNull() ? QualType(this_(), 0) : Canonical) { 991b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.TC = tc; 992b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.Dependent = Dependent; 993b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.VariablyModified = VariablyModified; 9941fb0caaa7bef765b85972274e3b434af2572c141John McCall TypeBits.CacheValidAndVisibility = 0; 995b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.CachedLocalOrUnnamed = false; 996b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.CachedLinkage = NoLinkage; 997b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.FromAST = false; 998b870b88df784c2940efce448ebfaf54dece14666John McCall } 999afb6416bf7f04a00c44092e802f335bb3636489cDouglas Gregor virtual ~Type(); 10005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; 10011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1002b870b88df784c2940efce448ebfaf54dece14666John McCall void setDependent(bool D = true) { TypeBits.Dependent = D; } 1003b870b88df784c2940efce448ebfaf54dece14666John McCall void setVariablyModified(bool VM = true) { TypeBits.VariablyModified = VM; } 100435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 10058b9023ba35a86838789e2c9034a6128728c547aaChris Lattnerpublic: 1006b870b88df784c2940efce448ebfaf54dece14666John McCall TypeClass getTypeClass() const { return static_cast<TypeClass>(TypeBits.TC); } 10071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10083c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Whether this type comes from an AST file. 1009b870b88df784c2940efce448ebfaf54dece14666John McCall bool isFromAST() const { return TypeBits.FromAST; } 101007a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1011467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonicalUnqualified() const { 1012467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall return CanonicalType.getTypePtr() == this; 1013467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall } 10145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Types are partitioned into 3 broad categories (C99 6.2.5p1): 10165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// object types, function types, and incomplete types. 10171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIncompleteType - Return true if this is an incomplete type. 10195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// A type that can describe objects, but which lacks information needed to 10205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// determine its size (e.g. void, or a fwd declared struct). Clients of this 10211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// routine will need to determine if the size is actually required. 10225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncompleteType() const; 1023d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner 1024d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// isIncompleteOrObjectType - Return true if this is an incomplete or object 1025d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// type, in other words, not a function type. 1026d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner bool isIncompleteOrObjectType() const { 1027d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner return !isFunctionType(); 1028d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner } 102964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 103064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// isPODType - Return true if this is a plain-old-data type (C++ 3.9p10). 103164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl bool isPODType() const; 103264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 1033ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// isLiteralType - Return true if this is a literal type 1034ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// (C++0x [basic.types]p10) 1035ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl bool isLiteralType() const; 1036ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl 10375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Helper methods to distinguish type categories. All type predicates 1038ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// operate on the canonical type, ignoring typedefs and qualifiers. 1039e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 10409b065ddabf572772991a4aadad5bf4921fac5069Tom Care /// isBuiltinType - returns true if the type is a builtin type. 10419b065ddabf572772991a4aadad5bf4921fac5069Tom Care bool isBuiltinType() const; 10429b065ddabf572772991a4aadad5bf4921fac5069Tom Care 1043e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar /// isSpecificBuiltinType - Test for a particular builtin type. 1044e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar bool isSpecificBuiltinType(unsigned K) const; 10451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10462a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// isPlaceholderType - Test for a type which does not represent an 10472a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// actual type-system type but is instead used as a placeholder for 10482a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// various convenient purposes within Clang. All such types are 10492a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// BuiltinTypes. 10502a984cad5ac3fdceeff2bd99daa7b90979313475John McCall bool isPlaceholderType() const; 10512a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 105296d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isIntegerType() does *not* include complex integers (a GCC extension). 105396d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isComplexIntegerType() can be used to test for complex integers. 10545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIntegerType() const; // C99 6.2.5p17 (int, char, bool, enum) 105513b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isEnumeralType() const; 105613b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isBooleanType() const; 105713b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isCharType() const; 105877a52233f7c0f162672652051bfe78b65ad4f789Douglas Gregor bool isWideCharType() const; 105920093b4bf698f292c664676987541d5103b65b15Douglas Gregor bool isAnyCharacterType() const; 10609d3347a5887d2d25afe8b0bd35783a72ec86cce2Douglas Gregor bool isIntegralType(ASTContext &Ctx) const; 106120093b4bf698f292c664676987541d5103b65b15Douglas Gregor 10622ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor /// \brief Determine whether this type is an integral or enumeration type. 10632ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor bool isIntegralOrEnumerationType() const; 10641274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor /// \brief Determine whether this type is an integral or unscoped enumeration 10651274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor /// type. 10661274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor bool isIntegralOrUnscopedEnumerationType() const; 10672ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor 10685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Floating point categories. 10695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealFloatingType() const; // C99 6.2.5p10 (float, double, long double) 107002f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexType() does *not* include complex integers (a GCC extension). 107102f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexIntegerType() can be used to test for complex integers. 10725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isComplexType() const; // C99 6.2.5p11 (complex) 1073f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner bool isAnyComplexType() const; // C99 6.2.5p11 (complex) + Complex Int. 10745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isFloatingType() const; // C99 6.2.5p11 (real floating + complex) 10755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealType() const; // C99 6.2.5p17 (real floating + integer) 10765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArithmeticType() const; // C99 6.2.5p18 (integer + floating) 1077c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isVoidType() const; // C99 6.2.5p19 1078c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isDerivedType() const; // C99 6.2.5p20 1079c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isScalarType() const; // C99 6.2.5p21 (arithmetic + pointers) 1080d7eb846aaf5ee4a8d22c3cd0796d1e7229d46013Douglas Gregor bool isAggregateType() const; 10811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1082c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Predicates: Check to see if this type is structurally the specified 1083ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb // type, ignoring typedefs and qualifiers. 1084c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isFunctionType() const; 1085183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionNoProtoType() const { return getAs<FunctionNoProtoType>(); } 1086183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionProtoType() const { return getAs<FunctionProtoType>(); } 1087befee48ff2a1dab236c5700f00ecca1cfdcd5837Chris Lattner bool isPointerType() const; 108858f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff bool isAnyPointerType() const; // Any C pointer or ObjC object pointer 10895618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff bool isBlockPointerType() const; 10907154a77e7c1f23418342d3b72836ab504aa7821eSteve Naroff bool isVoidPointerType() const; 1091a1d9fdea79ba7bbd71862b9f9f78f5f117331fc7Chris Lattner bool isReferenceType() const; 10927c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isLValueReferenceType() const; 10937c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isRValueReferenceType() const; 1094bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner bool isFunctionPointerType() const; 1095f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberPointerType() const; 1096f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberFunctionPointerType() const; 1097db68e28c05a67735211e688009890cf834c22e75Douglas Gregor bool isMemberDataPointerType() const; 1098c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isArrayType() const; 1099c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isConstantArrayType() const; 1100c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isIncompleteArrayType() const; 1101c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isVariableArrayType() const; 1102898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool isDependentSizedArrayType() const; 1103c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isRecordType() const; 11041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isClassType() const; 11051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isStructureType() const; 1106fb87b89fc9eb103e19fb8e4b925c23f0bd091b99Douglas Gregor bool isStructureOrClassType() const; 11074cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff bool isUnionType() const; 1108368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isComplexIntegerType() const; // GCC _Complex integer type. 1109368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isVectorType() const; // GCC vector type. 1110213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman bool isExtVectorType() const; // Extended vector type. 1111d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff bool isObjCObjectPointerType() const; // Pointer to *any* ObjC object. 111214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // FIXME: change this to 'raw' interface type, so we can used 'interface' type 111314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for the common case. 1114c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCObjectType() const; // NSString or typeof(*(id)0) 1115368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedInterfaceType() const; // NSString<foo> 1116368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedIdType() const; // id<foo> 1117470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const; // Class<foo> 1118569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor bool isObjCObjectOrInterfaceType() const; 111914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const; // id 112014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const; // Class 112113dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian bool isObjCSelType() const; // Class 1122de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff bool isObjCBuiltinType() const; // 'id' or 'Class' 112372c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor bool isTemplateTypeParmType() const; // C++ template type parameter 11246e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl bool isNullPtrType() const; // C++0x nullptr_t 1125898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1126898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// isDependentType - Whether this type is a dependent type, meaning 11271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// that its definition somehow depends on a template parameter 1128898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// (C++ [temp.dep.type]). 1129b870b88df784c2940efce448ebfaf54dece14666John McCall bool isDependentType() const { return TypeBits.Dependent; } 113035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 113135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /// \brief Whether this type is a variably-modified type (C99 6.7.5). 1132b870b88df784c2940efce448ebfaf54dece14666John McCall bool isVariablyModifiedType() const { return TypeBits.VariablyModified; } 113335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 1134db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor /// \brief Whether this type is or contains a local or unnamed type. 1135db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor bool hasUnnamedOrLocalType() const; 1136db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor 1137063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor bool isOverloadableType() const; 113872c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 11394033642464e8ba0982f88f34cffad808d247b393Douglas Gregor /// \brief Determine wither this type is a C++ elaborated-type-specifier. 11404033642464e8ba0982f88f34cffad808d247b393Douglas Gregor bool isElaboratedTypeSpecifier() const; 11414033642464e8ba0982f88f34cffad808d247b393Douglas Gregor 11428958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// hasPointerRepresentation - Whether this type is represented 11438958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// natively as a pointer; this includes pointers, references, block 11448958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// pointers, and Objective-C interface, qualified id, and qualified 11456e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl /// interface types, as well as nullptr_t. 11468958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar bool hasPointerRepresentation() const; 11478958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 1148820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// hasObjCPointerRepresentation - Whether this type can represent 1149820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// an objective pointer type for the purpose of GC'ability 11501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool hasObjCPointerRepresentation() const; 1151820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 1152f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an integer representation 1153f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an integer type or a vector. 1154f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasIntegerRepresentation() const; 1155f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1156f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an signed integer representation 1157f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an signed integer type or a vector. 1158f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasSignedIntegerRepresentation() const; 1159f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1160f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an unsigned integer representation 1161f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an unsigned integer type or a vector. 1162f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasUnsignedIntegerRepresentation() const; 1163f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 11648eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// \brief Determine whether this type has a floating-point representation 11658eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// of some sort, e.g., it is a floating-point type or a vector thereof. 11668eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor bool hasFloatingRepresentation() const; 1167f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1168c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Checking Functions: Check to see if this type is structurally the 1169f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // specified type, ignoring typedefs and qualifiers, and return a pointer to 1170f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // the best type we can. 1171769c9cfc6e06bd9d8ffe7a4397b939f19b0e4dc3Ted Kremenek const RecordType *getAsStructureType() const; 1172898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// NOTE: getAs*ArrayType are methods on ASTContext. 1173c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner const RecordType *getAsUnionType() const; 11744cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff const ComplexType *getAsComplexIntegerType() const; // GCC complex int type. 117514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // The following is a convenience method that returns an ObjCObjectPointerType 117614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for object declared using an interface. 117714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCInterfacePointerType() const; 117814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCQualifiedIdType() const; 1179c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getAsObjCQualifiedInterfaceType() const; 1180a91d6a6619a91d0ca7102d8ab5678d855f04d850Fariborz Jahanian const CXXRecordDecl *getCXXRecordDeclForPointerType() const; 11811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1182c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// \brief Retrieves the CXXRecordDecl that this type refers to, either 1183c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// because the type is a RecordType or because it is the injected-class-name 1184c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// type of a class template or class template partial specialization. 1185c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor CXXRecordDecl *getAsCXXRecordDecl() const; 1186c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor 1187fa78c91c54dd99ec61a9e27e6b74a549f5c9fa9cDan Gohman // Member-template getAs<specific type>'. Look through sugar for 1188fa78c91c54dd99ec61a9e27e6b74a549f5c9fa9cDan Gohman // an instance of <specific type>. This scheme will eventually 11891a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // replace the specific getAsXXXX methods above. 1190183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall // 1191183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall // There are some specializations of this member template listed 1192183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall // immediately following this class. 11931a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek template <typename T> const T *getAs() const; 11941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1195c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// getArrayElementTypeNoTypeQual - If this is an array type, return the 1196c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// element type of the array, potentially with type qualifiers missing. 1197c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// This method should never be used when type qualifiers are meaningful. 1198c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const Type *getArrayElementTypeNoTypeQual() const; 11991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1200f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// getPointeeType - If this is a pointer, ObjC object pointer, or block 1201f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// pointer, this returns the respective pointee. 120214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const; 12031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1204bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// getUnqualifiedDesugaredType() - Return the specified type with 1205bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// any "sugar" removed from the type, removing any typedefs, 1206bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// typeofs, etc., as well as any qualifiers. 1207bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall const Type *getUnqualifiedDesugaredType() const; 12081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// More type predicates useful for type checking/promotion 12105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPromotableIntegerType() const; // C99 6.3.1.1p2 12115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isSignedIntegerType - Return true if this is an integer type that is 1213d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// signed, according to C99 6.2.5p4 [char, signed char, short, int, long..], 1214d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// an enum decl which has a signed representation, or a vector of signed 1215d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// integer element type. 12165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSignedIntegerType() const; 12175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isUnsignedIntegerType - Return true if this is an integer type that is 1219d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// unsigned, according to C99 6.2.5p6 [which returns true for _Bool], an enum 1220d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// decl which has an unsigned representation, or a vector of unsigned integer 1221d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// element type. 12225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isUnsignedIntegerType() const; 1223d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner 12245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isConstantSizeType - Return true if this is not a variable sized type, 12259bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// according to the rules of C99 6.7.5p3. It is not legal to call this on 12269bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// incomplete types. 12273c2b3170041f69a92904e3bab9b6d654eaf260acEli Friedman bool isConstantSizeType() const; 1228c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 122922b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// isSpecifierType - Returns true if this type can be represented by some 123022b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// set of type specifiers. 123122b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman bool isSpecifierType() const; 123222b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman 12330b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor /// \brief Determine the linkage of this type. 123460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor Linkage getLinkage() const; 12351fb0caaa7bef765b85972274e3b434af2572c141John McCall 12361fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Determine the visibility of this type. 12371fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility getVisibility() const; 12381fb0caaa7bef765b85972274e3b434af2572c141John McCall 12391fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Determine the linkage and visibility of this type. 12401fb0caaa7bef765b85972274e3b434af2572c141John McCall std::pair<Linkage,Visibility> getLinkageAndVisibility() const; 124160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 124260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor /// \brief Note that the linkage is no longer known. 124360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor void ClearLinkageCache(); 124460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 124560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor const char *getTypeClassName() const; 12460b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1247ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall QualType getCanonicalTypeInternal() const { 1248ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall return CanonicalType; 1249ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall } 1250ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall CanQualType getCanonicalTypeUnqualified() const; // in CanonicalType.h 1251c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 12525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *) { return true; } 1253be191100e034b23a3e13053757a57b7f5068c24aArgyrios Kyrtzidis 1254c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; 1255a4232eb646d89e7d52424bb42eb87d9061f39e63Sebastian Redl friend class ASTWriter; 12565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1258183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const TypedefType *Type::getAs() const { 1259183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall return dyn_cast<TypedefType>(this); 1260183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1261183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1262183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// We can do canonical leaf types faster, because we don't have to 1263183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// worry about preserving child type decoration. 1264183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define TYPE(Class, Base) 1265183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define LEAF_TYPE(Class) \ 1266183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const Class##Type *Type::getAs() const { \ 12670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return dyn_cast<Class##Type>(CanonicalType); \ 1268183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1269183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#include "clang/AST/TypeNodes.def" 1270183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1271183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 12725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BuiltinType - This class is used for builtin types like 'int'. Builtin 12735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types are always canonical and have a literal name field. 12745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BuiltinType : public Type { 12755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 12765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Kind { 12775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Void, 12781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Bool, // This is bool and/or _Bool. 12805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_U, // This is 'char' for targets where char is unsigned. 12815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UChar, // This is explicitly qualified unsigned char. 1282f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16, // This is 'char16_t' for C++. 1283f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32, // This is 'char32_t' for C++. 12845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UShort, 12855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UInt, 12865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULong, 12875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULongLong, 12882df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner UInt128, // __uint128_t 12891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_S, // This is 'char' for targets where char is signed. 12915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SChar, // This is explicitly qualified signed char. 12922ff9b4c7c8fed9233a0b8de2e9507368c451aab6Argyrios Kyrtzidis WChar, // This is 'wchar_t' for C++. 12935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Short, 12945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Int, 12955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Long, 12965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongLong, 12972df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner Int128, // __int128_t 12981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12998e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor Float, Double, LongDouble, 13008e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 13016e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl NullPtr, // This is the type of C++0x 'nullptr'. 13026e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 13032a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// This represents the type of an expression whose type is 13042a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// totally unknown, e.g. 'T::foo'. It is permitted for this to 13052a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// appear in situations where the structure of the type is 13062a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// theoretically deducible. 13072a984cad5ac3fdceeff2bd99daa7b90979313475John McCall Dependent, 13082a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 1309898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Overload, // This represents the type of an overloaded function declaration. 13101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1311de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff UndeducedAuto, // In C++0x, this represents the type of an auto variable 1312e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson // that has not been deduced yet. 1313e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 1314e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The primitive Objective C 'id' type. The type pointed to by the 1315e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user-visible 'id' type. Only ever shows up in an AST as the base 1316e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type of an ObjCObjectType. 1317e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall ObjCId, 1318e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 1319e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The primitive Objective C 'Class' type. The type pointed to by the 1320e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user-visible 'Class' type. Only ever shows up in an AST as the 1321e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// base type of an ObjCObjectType. 1322e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall ObjCClass, 1323e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 132413dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSel // This represents the ObjC 'SEL' type. 13255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 132671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 132760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorprotected: 13281fb0caaa7bef765b85972274e3b434af2572c141John McCall virtual CachedProperties getCachedProperties() const; 132960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 13305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 13311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BuiltinType(Kind K) 133235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(Builtin, QualType(), /*Dependent=*/(K == Dependent), 133371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall /*VariablyModified=*/false) { 1334b870b88df784c2940efce448ebfaf54dece14666John McCall BuiltinTypeBits.Kind = K; 133571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 13361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1337b870b88df784c2940efce448ebfaf54dece14666John McCall Kind getKind() const { return static_cast<Kind>(BuiltinTypeBits.Kind); } 1338e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const char *getName(const LangOptions &LO) const; 13391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1340bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1341bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1342bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1343680523a91dd3351389667c8de17121ba7ae82673John McCall bool isInteger() const { 134471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Bool && getKind() <= Int128; 1345680523a91dd3351389667c8de17121ba7ae82673John McCall } 1346680523a91dd3351389667c8de17121ba7ae82673John McCall 1347680523a91dd3351389667c8de17121ba7ae82673John McCall bool isSignedInteger() const { 134871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Char_S && getKind() <= Int128; 1349680523a91dd3351389667c8de17121ba7ae82673John McCall } 1350680523a91dd3351389667c8de17121ba7ae82673John McCall 1351680523a91dd3351389667c8de17121ba7ae82673John McCall bool isUnsignedInteger() const { 135271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Bool && getKind() <= UInt128; 1353680523a91dd3351389667c8de17121ba7ae82673John McCall } 1354680523a91dd3351389667c8de17121ba7ae82673John McCall 1355680523a91dd3351389667c8de17121ba7ae82673John McCall bool isFloatingPoint() const { 135671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Float && getKind() <= LongDouble; 1357680523a91dd3351389667c8de17121ba7ae82673John McCall } 1358680523a91dd3351389667c8de17121ba7ae82673John McCall 13592a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// Determines whether this type is a "forbidden" placeholder type, 13602a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// i.e. a type which cannot appear in arbitrary positions in a 13612a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// fully-formed expression. 13622a984cad5ac3fdceeff2bd99daa7b90979313475John McCall bool isPlaceholderType() const { 136371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() == Overload || 136471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall getKind() == UndeducedAuto; 13652a984cad5ac3fdceeff2bd99daa7b90979313475John McCall } 13662a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 13675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Builtin; } 13685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BuiltinType *) { return true; } 13695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 13705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ComplexType - C99 6.2.5p11 - Complex values. This supports the C99 complex 13725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types (_Complex float etc) as well as the GCC integer complex extensions. 13735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 13745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ComplexType : public Type, public llvm::FoldingSetNode { 13755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 13765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType(QualType Element, QualType CanonicalPtr) : 137735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Complex, CanonicalPtr, Element->isDependentType(), 137835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Element->isVariablyModifiedType()), 1379898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ElementType(Element) { 13805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 138260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 138360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorprotected: 13841fb0caaa7bef765b85972274e3b434af2572c141John McCall virtual CachedProperties getCachedProperties() const; 138560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 13865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 13875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 13881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1389bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1390bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1391bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 13925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 13935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getElementType()); 13945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Element) { 13965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Element.getAsOpaquePtr()); 13975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Complex; } 14005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ComplexType *) { return true; } 14015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 14025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 140368694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar/// PointerType - C99 6.7.5.1 - Pointer Declarators. 1404bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner/// 140568694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass PointerType : public Type, public llvm::FoldingSetNode { 1406bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner QualType PointeeType; 14075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType(QualType Pointee, QualType CanonicalPtr) : 140935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Pointer, CanonicalPtr, Pointee->isDependentType(), 141035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Pointee->isVariablyModifiedType()), 141135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor PointeeType(Pointee) { 14125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 141460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 141560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorprotected: 14161fb0caaa7bef765b85972274e3b434af2572c141John McCall virtual CachedProperties getCachedProperties() const; 141760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 14185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 14191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 142068694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType getPointeeType() const { return PointeeType; } 142168694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 1422bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1423bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1424bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 14255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 14265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getPointeeType()); 14275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 14295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Pointee.getAsOpaquePtr()); 14305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Pointer; } 14335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const PointerType *) { return true; } 14345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 14355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14365618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// BlockPointerType - pointer to a block type. 14375618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// This type is to represent types syntactically represented as 14385618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// "void (^)(int)", etc. Pointee is required to always be a function type. 14395618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// 14405618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffclass BlockPointerType : public Type, public llvm::FoldingSetNode { 14415618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType PointeeType; // Block is some kind of pointer type 14425618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType(QualType Pointee, QualType CanonicalCls) : 144335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(BlockPointer, CanonicalCls, Pointee->isDependentType(), 144435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Pointee->isVariablyModifiedType()), 1445898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor PointeeType(Pointee) { 14465618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 14475618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff friend class ASTContext; // ASTContext creates these. 144860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 144960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorprotected: 14501fb0caaa7bef765b85972274e3b434af2572c141John McCall virtual CachedProperties getCachedProperties() const; 145160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 14525618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffpublic: 14531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14545618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the pointee type. Pointee is required to always be a function type. 14555618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getPointeeType() const { return PointeeType; } 14565618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 1457bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1458bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1459bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 14605618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 14615618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Profile(ID, getPointeeType()); 14625618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 14635618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 14645618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff ID.AddPointer(Pointee.getAsOpaquePtr()); 14655618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 14661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 14681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == BlockPointer; 14695618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 14705618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static bool classof(const BlockPointerType *) { return true; } 14715618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff}; 14725618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 14737c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// ReferenceType - Base for LValueReferenceType and RValueReferenceType 14745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 147568694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass ReferenceType : public Type, public llvm::FoldingSetNode { 147668694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType PointeeType; 147768694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 14787c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlprotected: 147954e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(TypeClass tc, QualType Referencee, QualType CanonicalRef, 148054e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 148135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(tc, CanonicalRef, Referencee->isDependentType(), 148271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Referencee->isVariablyModifiedType()), PointeeType(Referencee) { 1483b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBits.SpelledAsLValue = SpelledAsLValue; 1484b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBits.InnerRef = Referencee->isReferenceType(); 14855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 148660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 14871fb0caaa7bef765b85972274e3b434af2572c141John McCall virtual CachedProperties getCachedProperties() const; 148860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 14895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1490b870b88df784c2940efce448ebfaf54dece14666John McCall bool isSpelledAsLValue() const { return ReferenceTypeBits.SpelledAsLValue; } 1491b870b88df784c2940efce448ebfaf54dece14666John McCall bool isInnerRef() const { return ReferenceTypeBits.InnerRef; } 149273dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 149354e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeTypeAsWritten() const { return PointeeType; } 149454e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeType() const { 149554e14c4db764c0636160d26c5bbf491637c83a76John McCall // FIXME: this might strip inner qualifiers; okay? 149654e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *T = this; 149771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall while (T->isInnerRef()) 149854e14c4db764c0636160d26c5bbf491637c83a76John McCall T = T->PointeeType->getAs<ReferenceType>(); 149954e14c4db764c0636160d26c5bbf491637c83a76John McCall return T->PointeeType; 150054e14c4db764c0636160d26c5bbf491637c83a76John McCall } 150168694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 15025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 150371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Profile(ID, PointeeType, isSpelledAsLValue()); 15045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 150554e14c4db764c0636160d26c5bbf491637c83a76John McCall static void Profile(llvm::FoldingSetNodeID &ID, 150654e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Referencee, 150754e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) { 15085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Referencee.getAsOpaquePtr()); 150954e14c4db764c0636160d26c5bbf491637c83a76John McCall ID.AddBoolean(SpelledAsLValue); 15105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15127c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 15137c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference || 15147c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl T->getTypeClass() == RValueReference; 15157c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 15165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReferenceType *) { return true; } 15177c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 15187c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15197c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// LValueReferenceType - C++ [dcl.ref] - Lvalue reference 15207c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 15217c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass LValueReferenceType : public ReferenceType { 152254e14c4db764c0636160d26c5bbf491637c83a76John McCall LValueReferenceType(QualType Referencee, QualType CanonicalRef, 152354e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 152454e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(LValueReference, Referencee, CanonicalRef, SpelledAsLValue) 152554e14c4db764c0636160d26c5bbf491637c83a76John McCall {} 15267c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 15277c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 1528bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1529bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1530bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 15317c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 15327c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference; 15337c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 15347c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const LValueReferenceType *) { return true; } 15357c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 15367c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15377c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// RValueReferenceType - C++0x [dcl.ref] - Rvalue reference 15387c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 15397c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass RValueReferenceType : public ReferenceType { 15407c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType(QualType Referencee, QualType CanonicalRef) : 154154e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(RValueReference, Referencee, CanonicalRef, false) { 15427c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 15437c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 15447c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 1545bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1546bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1547bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 15487c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 15497c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == RValueReference; 15507c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 15517c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const RValueReferenceType *) { return true; } 1552f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl}; 1553f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1554f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// MemberPointerType - C++ 8.3.3 - Pointers to members 1555f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// 1556f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlclass MemberPointerType : public Type, public llvm::FoldingSetNode { 1557f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType PointeeType; 1558f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// The class of which the pointee is a member. Must ultimately be a 1559f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// RecordType, but could be a typedef or a template parameter too. 1560f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class; 1561f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1562f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType(QualType Pointee, const Type *Cls, QualType CanonicalPtr) : 1563f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Type(MemberPointer, CanonicalPtr, 156435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Cls->isDependentType() || Pointee->isDependentType(), 156535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Pointee->isVariablyModifiedType()), 1566f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl PointeeType(Pointee), Class(Cls) { 1567f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1568f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl friend class ASTContext; // ASTContext creates these. 156960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 157060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorprotected: 15711fb0caaa7bef765b85972274e3b434af2572c141John McCall virtual CachedProperties getCachedProperties() const; 157260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 1573f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlpublic: 1574f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getPointeeType() const { return PointeeType; } 1575f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 15760bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Returns true if the member type (i.e. the pointee type) is a 15770bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// function type rather than a data-member type. 15780bab0cdab751248ca389a5592bcb70eac5d39260John McCall bool isMemberFunctionPointer() const { 15790bab0cdab751248ca389a5592bcb70eac5d39260John McCall return PointeeType->isFunctionProtoType(); 15800bab0cdab751248ca389a5592bcb70eac5d39260John McCall } 15810bab0cdab751248ca389a5592bcb70eac5d39260John McCall 15820bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Returns true if the member type (i.e. the pointee type) is a 15830bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// data type rather than a function type. 15840bab0cdab751248ca389a5592bcb70eac5d39260John McCall bool isMemberDataPointer() const { 15850bab0cdab751248ca389a5592bcb70eac5d39260John McCall return !PointeeType->isFunctionProtoType(); 15860bab0cdab751248ca389a5592bcb70eac5d39260John McCall } 15870bab0cdab751248ca389a5592bcb70eac5d39260John McCall 1588f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *getClass() const { return Class; } 1589f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1590bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1591bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1592bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1593f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void Profile(llvm::FoldingSetNodeID &ID) { 1594f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Profile(ID, getPointeeType(), getClass()); 1595f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1596f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee, 1597f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class) { 1598f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Pointee.getAsOpaquePtr()); 1599f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Class); 1600f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1601f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1602f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const Type *T) { 1603f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return T->getTypeClass() == MemberPointer; 1604f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1605f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const MemberPointerType *) { return true; } 16065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 16075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArrayType - C99 6.7.5.2 - Array Declarators. 16095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 16102e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ArrayType : public Type, public llvm::FoldingSetNode { 16115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 16125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ArraySizeModifier - Capture whether this is a normal array (e.g. int X[4]) 1613898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// an array with a static size (e.g. int X[static 4]), or an array 1614898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// with a star size (e.g. int X[*]). 1615898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// 'static' is only allowed on function parameters. 16165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum ArraySizeModifier { 16175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Normal, Static, Star 16185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 16195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 1620fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff /// ElementType - The element type of the array. 1621fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType ElementType; 16221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1623fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffprotected: 1624898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // C++ [temp.dep.type]p1: 1625898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // A type is dependent if it is... 1626898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // - an array type constructed from any dependent type or whose 1627898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // size is specified by a constant expression that is 1628898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // value-dependent, 1629c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType(TypeClass tc, QualType et, QualType can, 1630c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArraySizeModifier sm, unsigned tq) 163135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(tc, can, et->isDependentType() || tc == DependentSizedArray, 163235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor (tc == VariableArray || et->isVariablyModifiedType())), 163371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ElementType(et) { 1634b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBits.IndexTypeQuals = tq; 1635b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBits.SizeModifier = sm; 163671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 1637898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1638fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 163960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 16401fb0caaa7bef765b85972274e3b434af2572c141John McCall virtual CachedProperties getCachedProperties() const; 164160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 1642fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 1643fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType getElementType() const { return ElementType; } 1644ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek ArraySizeModifier getSizeModifier() const { 1645b870b88df784c2940efce448ebfaf54dece14666John McCall return ArraySizeModifier(ArrayTypeBits.SizeModifier); 1646ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek } 16470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getIndexTypeQualifiers() const { 164871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Qualifiers::fromCVRMask(getIndexTypeCVRQualifiers()); 164971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 165071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall unsigned getIndexTypeCVRQualifiers() const { 1651b870b88df784c2940efce448ebfaf54dece14666John McCall return ArrayTypeBits.IndexTypeQuals; 16520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 16531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1654fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const Type *T) { 1655fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff return T->getTypeClass() == ConstantArray || 1656c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman T->getTypeClass() == VariableArray || 1657898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == IncompleteArray || 1658898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == DependentSizedArray; 1659fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1660fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ArrayType *) { return true; } 1661fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 1662fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 16637e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// ConstantArrayType - This class represents the canonical version of 16647e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// C arrays with a specified constant size. For example, the canonical 16657e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type for 'int A[4 + 4*100]' is a ConstantArrayType where the element 16667e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type is 'int' and the size is 404. 16672e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ConstantArrayType : public ArrayType { 1668fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff llvm::APInt Size; // Allows us to unique the type. 16691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16700be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType(QualType et, QualType can, const llvm::APInt &size, 1671c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArraySizeModifier sm, unsigned tq) 16727e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(ConstantArray, et, can, sm, tq), 16737e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Size(size) {} 16747e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregorprotected: 16757e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ConstantArrayType(TypeClass tc, QualType et, QualType can, 16767e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor const llvm::APInt &size, ArraySizeModifier sm, unsigned tq) 16777e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(tc, et, can, sm, tq), Size(size) {} 1678fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 1679fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 1680c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const llvm::APInt &getSize() const { return Size; } 1681bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1682bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1683bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 16842767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 16852767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the number of bits required to address a member of 16862767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor // an array with the given element type and number of elements. 16872767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getNumAddressingBits(ASTContext &Context, 16882767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor QualType ElementType, 16892767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor const llvm::APInt &NumElements); 16902767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 16912767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the maximum number of active bits that an array's size 16922767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// can require, which limits the maximum size of the array. 16932767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getMaxSizeBits(ASTContext &Context); 16942767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 1695fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 16961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, getElementType(), getSize(), 16970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers()); 1698fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1699fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 17000be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner const llvm::APInt &ArraySize, ArraySizeModifier SizeMod, 17010be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner unsigned TypeQuals) { 1702fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddPointer(ET.getAsOpaquePtr()); 1703fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddInteger(ArraySize.getZExtValue()); 17040be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 17050be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 1706fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 17077e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor static bool classof(const Type *T) { 170846a617a792bfab0d9b1e057371ea3b9540802226John McCall return T->getTypeClass() == ConstantArray; 1709fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1710fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ConstantArrayType *) { return true; } 1711fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 1712fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 1713da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// IncompleteArrayType - This class represents C arrays with an unspecified 1714da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// size. For example 'int A[]' has an IncompleteArrayType where the element 1715da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// type is 'int' and the size is unspecified. 1716c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanclass IncompleteArrayType : public ArrayType { 17177e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 1718c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType(QualType et, QualType can, 17197e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq) 1720c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman : ArrayType(IncompleteArray, et, can, sm, tq) {} 1721c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class ASTContext; // ASTContext creates these. 1722c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanpublic: 1723bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1724bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1725bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 17261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 17271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == IncompleteArray; 1728c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 1729c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman static bool classof(const IncompleteArrayType *) { return true; } 17301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1731c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class StmtIteratorBase; 17321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1733c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void Profile(llvm::FoldingSetNodeID &ID) { 17340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Profile(ID, getElementType(), getSizeModifier(), 17350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getIndexTypeCVRQualifiers()); 1736c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 17371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17380be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 17390be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ArraySizeModifier SizeMod, unsigned TypeQuals) { 1740c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ID.AddPointer(ET.getAsOpaquePtr()); 17410be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 17420be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 1743c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 1744c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman}; 1745c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1746da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// VariableArrayType - This class represents C arrays with a specified size 1747da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// which is not an integer-constant-expression. For example, 'int s[x+foo()]'. 1748da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Since the size expression is an arbitrary expression, we store it as such. 1749da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 1750da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Note: VariableArrayType's aren't uniqued (since the expressions aren't) and 1751da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// should not be: two lexically equivalent variable array types could mean 1752da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// different things, for example, these variables do not have the same type 1753da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// dynamically: 1754da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 1755da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// void foo(int x) { 1756da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Y[x]; 1757da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// ++x; 1758da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Z[x]; 1759da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// } 1760da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 17612e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass VariableArrayType : public ArrayType { 17621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// SizeExpr - An assignment expression. VLA's are only permitted within 17631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// a function block. 1764b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek Stmt *SizeExpr; 17657e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 17667e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 17677e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 1768c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff VariableArrayType(QualType et, QualType can, Expr *e, 17697e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq, 17707e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange brackets) 17717e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(VariableArray, et, can, sm, tq), 17727e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SizeExpr((Stmt*) e), Brackets(brackets) {} 17735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 17744b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 17755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 17761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 1777b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // We use C-style casts instead of cast<> here because we do not wish 1778b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // to have a dependency of Type.h on Stmt.h/Expr.h. 1779b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek return (Expr*) SizeExpr; 1780b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek } 17817e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 17827e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 17837e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 17841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1785bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1786bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1787bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 17881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 17891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == VariableArray; 17905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1791fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const VariableArrayType *) { return true; } 17921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 179392866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek friend class StmtIteratorBase; 17941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17952bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) { 1796bc5e150b6d94cf131f7d01bc715571b741c5b408Chris Lattner assert(0 && "Cannnot unique VariableArrayTypes."); 17972bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 17985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 17995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1800898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// DependentSizedArrayType - This type represents an array type in 1801898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// C++ whose size is a value-dependent expression. For example: 1802cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 1803cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \code 18041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// template<typename T, int Size> 1805898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// class array { 1806898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// T data[Size]; 1807898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// }; 1808cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \endcode 1809cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 1810898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// For these types, we won't actually know what the array bound is 1811898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// until template instantiation occurs, at which point this will 1812898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// become either a ConstantArrayType or a VariableArrayType. 1813898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorclass DependentSizedArrayType : public ArrayType { 181404d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor ASTContext &Context; 18151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1816cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// \brief An assignment expression that will instantiate to the 1817898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// size of the array. 1818cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// 1819cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// The expression itself might be NULL, in which case the array 1820cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// type will have its size deduced from an initializer. 1821898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Stmt *SizeExpr; 1822cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 18237e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 18247e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 18251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedArrayType(ASTContext &Context, QualType et, QualType can, 182704d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor Expr *e, ArraySizeModifier sm, unsigned tq, 18287e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange brackets) 18297e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(DependentSizedArray, et, can, sm, tq), 183004d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor Context(Context), SizeExpr((Stmt*) e), Brackets(brackets) {} 1831898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class ASTContext; // ASTContext creates these. 1832898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1833898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorpublic: 18341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 1835898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // We use C-style casts instead of cast<> here because we do not wish 1836898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // to have a dependency of Type.h on Stmt.h/Expr.h. 1837898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return (Expr*) SizeExpr; 1838898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 18397e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 18407e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 18417e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 18421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1843bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1844bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1845bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 18461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 18471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedArray; 1848898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 1849898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool classof(const DependentSizedArrayType *) { return true; } 18501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1851898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class StmtIteratorBase; 18521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1854898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 18551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, Context, getElementType(), 18560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers(), getSizeExpr()); 1857898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 18581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 18601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType ET, ArraySizeModifier SizeMod, 186104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor unsigned TypeQuals, Expr *E); 1862898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor}; 1863898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1864f6ddb737cb882ffbf0b75a9abd50b930cc2b9068Douglas Gregor/// DependentSizedExtVectorType - This type represent an extended vector type 18659cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// where either the type or size is dependent. For example: 18669cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @code 18679cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// template<typename T, int Size> 18689cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// class vector { 18699cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// typedef T __attribute__((ext_vector_type(Size))) type; 18709cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// } 18719cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @endcode 18722ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregorclass DependentSizedExtVectorType : public Type, public llvm::FoldingSetNode { 18732ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor ASTContext &Context; 18749cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr; 18759cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// ElementType - The element type of the array. 18769cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType ElementType; 18779cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation loc; 18781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType(ASTContext &Context, QualType ElementType, 18802ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType can, Expr *SizeExpr, SourceLocation loc) 188135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(DependentSizedExtVector, can, /*Dependent=*/true, 188235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor ElementType->isVariablyModifiedType()), 18831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Context(Context), SizeExpr(SizeExpr), ElementType(ElementType), 18842ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor loc(loc) {} 18859cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor friend class ASTContext; 18869cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 18879cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregorpublic: 18882ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Expr *getSizeExpr() const { return SizeExpr; } 18899cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType getElementType() const { return ElementType; } 18909cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation getAttributeLoc() const { return loc; } 18919cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 1892bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1893bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1894bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 18951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 18961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedExtVector; 18979cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor } 18981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const DependentSizedExtVectorType *) { return true; } 18992ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor 19002ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 19012ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Profile(ID, Context, getElementType(), getSizeExpr()); 19022ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 19031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19042ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 19052ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType ElementType, Expr *SizeExpr); 19069cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor}; 19071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19089cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 190973322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// VectorType - GCC generic vector type. This type is created using 19101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// __attribute__((vector_size(n)), where "n" specifies the vector size in 191182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// bytes; or from an Altivec __vector or vector declaration. 191282287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// Since the constructor takes the number of vector elements, the 191373322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// client is responsible for converting the size into the number of elements. 19145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass VectorType : public Type, public llvm::FoldingSetNode { 1915788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattnerpublic: 1916788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner enum AltiVecSpecific { 1917788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner NotAltiVec, // is not AltiVec vector 1918788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner AltiVec, // is AltiVec vector 1919788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Pixel, // is AltiVec 'vector Pixel' 1920788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Bool // is AltiVec 'vector bool ...' 1921788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner }; 192273322924127c873c13101b705dd823f5539ffa5fSteve Naroffprotected: 19235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ElementType - The element type of the vector. 19245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 19251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 192682287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType(QualType vecType, unsigned nElements, QualType canonType, 1927788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner AltiVecSpecific altiVecSpec) : 192835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Vector, canonType, vecType->isDependentType(), 192971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall vecType->isVariablyModifiedType()), ElementType(vecType) { 1930b870b88df784c2940efce448ebfaf54dece14666John McCall VectorTypeBits.AltiVecSpec = altiVecSpec; 1931b870b88df784c2940efce448ebfaf54dece14666John McCall VectorTypeBits.NumElements = nElements; 193271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 193335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 19341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump VectorType(TypeClass tc, QualType vecType, unsigned nElements, 1935788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner QualType canonType, AltiVecSpecific altiVecSpec) 193635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(tc, canonType, vecType->isDependentType(), 193771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall vecType->isVariablyModifiedType()), ElementType(vecType) { 1938b870b88df784c2940efce448ebfaf54dece14666John McCall VectorTypeBits.AltiVecSpec = altiVecSpec; 1939b870b88df784c2940efce448ebfaf54dece14666John McCall VectorTypeBits.NumElements = nElements; 194071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 19415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 194260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 19431fb0caaa7bef765b85972274e3b434af2572c141John McCall virtual CachedProperties getCachedProperties() const; 194460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 19455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 19461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 1948b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getNumElements() const { return VectorTypeBits.NumElements; } 19495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1950bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1951bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1952bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 195371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall AltiVecSpecific getAltiVecSpecific() const { 1954b870b88df784c2940efce448ebfaf54dece14666John McCall return AltiVecSpecific(VectorTypeBits.AltiVecSpec); 195571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 1956788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 19575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 195871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Profile(ID, getElementType(), getNumElements(), 195971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall getTypeClass(), getAltiVecSpecific()); 19605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ElementType, 196282287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson unsigned NumElements, TypeClass TypeClass, 196371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall AltiVecSpecific AltiVecSpec) { 19645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ElementType.getAsOpaquePtr()); 19655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddInteger(NumElements); 196673322924127c873c13101b705dd823f5539ffa5fSteve Naroff ID.AddInteger(TypeClass); 1967788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner ID.AddInteger(AltiVecSpec); 196873322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 19690b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 19701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 19711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == Vector || T->getTypeClass() == ExtVector; 19725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const VectorType *) { return true; } 19745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 19755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1976213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// ExtVectorType - Extended vector type. This type is created using 1977213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// __attribute__((ext_vector_type(n)), where "n" is the number of elements. 1978213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// Unlike vector_size, ext_vector_type is only allowed on typedef's. This 1979fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// class enables syntactic extensions, like Vector Components for accessing 1980fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// points, colors, and textures (modeled after OpenGL Shading Language). 1981213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemanclass ExtVectorType : public VectorType { 1982213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman ExtVectorType(QualType vecType, unsigned nElements, QualType canonType) : 1983788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType(ExtVector, vecType, nElements, canonType, NotAltiVec) {} 198473322924127c873c13101b705dd823f5539ffa5fSteve Naroff friend class ASTContext; // ASTContext creates these. 198573322924127c873c13101b705dd823f5539ffa5fSteve Naroffpublic: 198688dca0464804b8b26ae605f89784c927e8493dddChris Lattner static int getPointAccessorIdx(char c) { 198788dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 198888dca0464804b8b26ae605f89784c927e8493dddChris Lattner default: return -1; 198988dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'x': return 0; 199088dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'y': return 1; 199188dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'z': return 2; 199288dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'w': return 3; 199388dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 1994e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 1995353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman static int getNumericAccessorIdx(char c) { 199688dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 1997353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman default: return -1; 1998353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '0': return 0; 1999353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '1': return 1; 2000353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '2': return 2; 2001353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '3': return 3; 2002353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '4': return 4; 2003353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '5': return 5; 2004353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '6': return 6; 2005353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '7': return 7; 2006353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '8': return 8; 2007353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '9': return 9; 2008131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'A': 2009353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'a': return 10; 2010131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'B': 2011353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'b': return 11; 2012131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'C': 2013353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'c': return 12; 2014131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'D': 2015353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'd': return 13; 2016131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'E': 2017353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'e': return 14; 2018131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'F': 2019353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'f': return 15; 202088dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 2021e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 20221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2023b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner static int getAccessorIdx(char c) { 2024b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getPointAccessorIdx(c)+1) return idx-1; 2025353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman return getNumericAccessorIdx(c); 2026b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner } 20271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 202888dca0464804b8b26ae605f89784c927e8493dddChris Lattner bool isAccessorWithinNumElements(char c) const { 2029b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getAccessorIdx(c)+1) 203071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return unsigned(idx-1) < getNumElements(); 203188dca0464804b8b26ae605f89784c927e8493dddChris Lattner return false; 2032e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 2033bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2034bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2035bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 20361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 20371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ExtVector; 203873322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 2039213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman static bool classof(const ExtVectorType *) { return true; } 204073322924127c873c13101b705dd823f5539ffa5fSteve Naroff}; 204173322924127c873c13101b705dd823f5539ffa5fSteve Naroff 20425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// FunctionType - C99 6.7.5.3 - Function Declarators. This is the common base 204372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// class of FunctionNoProtoType and FunctionProtoType. 20445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 20455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FunctionType : public Type { 2046bef0efd11bc4430a3ee437a3213cec5c18af855aChris Lattner virtual void ANCHOR(); // Key function for FunctionType. 204771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 20485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // The type returned by the function. 20495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ResultType; 2050264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2051264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 2052264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // This class is used for passing arround the information needed to 2053264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // construct a call. It is not actually used for storage, just for 2054264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // factoring together common arguments. 2055425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // If you add a field (say Foo), other than the obvious places (both, constructors, 2056425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // compile failures), what you need to update is 2057425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * Operetor== 2058425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * getFoo 2059425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * withFoo 2060425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * functionType. Add Foo, getFoo. 2061425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::getFooType 2062425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::mergeFunctionTypes 2063425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionNoProtoType::Profile 2064425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionProtoType::Profile 2065425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * TypePrinter::PrintFunctionProto 20663c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // * AST read and write 2067425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * Codegen 2068425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 2069264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola class ExtInfo { 2070b870b88df784c2940efce448ebfaf54dece14666John McCall enum { CallConvMask = 0x7 }; 2071b870b88df784c2940efce448ebfaf54dece14666John McCall enum { NoReturnMask = 0x8 }; 2072b870b88df784c2940efce448ebfaf54dece14666John McCall enum { RegParmMask = ~(CallConvMask | NoReturnMask), 2073b870b88df784c2940efce448ebfaf54dece14666John McCall RegParmOffset = 4 }; 2074b870b88df784c2940efce448ebfaf54dece14666John McCall 207571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall unsigned Bits; 207671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 207771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo(unsigned Bits) : Bits(Bits) {} 207871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 207971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall friend class FunctionType; 208071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 2081264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 2082264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with no defaults. Use this when you know that you 20833c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // have all the elements (when reading an AST file for example). 208471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo(bool noReturn, unsigned regParm, CallingConv cc) { 2085b870b88df784c2940efce448ebfaf54dece14666John McCall Bits = ((unsigned) cc) | 2086b870b88df784c2940efce448ebfaf54dece14666John McCall (noReturn ? NoReturnMask : 0) | 2087b870b88df784c2940efce448ebfaf54dece14666John McCall (regParm << RegParmOffset); 208871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2089264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2090264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with all defaults. Use when for example creating a 2091264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // function know to use defaults. 209271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo() : Bits(0) {} 2093264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2094b870b88df784c2940efce448ebfaf54dece14666John McCall bool getNoReturn() const { return Bits & NoReturnMask; } 2095b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getRegParm() const { return Bits >> RegParmOffset; } 2096b870b88df784c2940efce448ebfaf54dece14666John McCall CallingConv getCC() const { return CallingConv(Bits & CallConvMask); } 2097264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 209871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool operator==(ExtInfo Other) const { 209971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Bits == Other.Bits; 2100264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 210171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool operator!=(ExtInfo Other) const { 210271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Bits != Other.Bits; 2103264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2104264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2105264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Note that we don't have setters. That is by design, use 2106264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // the following with methods instead of mutating these objects. 2107264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2108264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withNoReturn(bool noReturn) const { 210971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall if (noReturn) 211071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return ExtInfo(Bits | NoReturnMask); 211171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall else 211271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return ExtInfo(Bits & ~NoReturnMask); 2113425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola } 2114425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 2115425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola ExtInfo withRegParm(unsigned RegParm) const { 2116b870b88df784c2940efce448ebfaf54dece14666John McCall return ExtInfo((Bits & ~RegParmMask) | (RegParm << RegParmOffset)); 2117264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2118264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2119264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withCallingConv(CallingConv cc) const { 2120b870b88df784c2940efce448ebfaf54dece14666John McCall return ExtInfo((Bits & ~CallConvMask) | (unsigned) cc); 2121264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2122264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 212371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 212471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ID.AddInteger(Bits); 212571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2126264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola }; 2127264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 21285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 2129971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis FunctionType(TypeClass tc, QualType res, bool SubclassInfo, 21302455636163fdd18581d7fdae816433f886d88213Mike Stump unsigned typeQuals, QualType Canonical, bool Dependent, 213171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool VariablyModified, ExtInfo Info) 213271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall : Type(tc, Canonical, Dependent, VariablyModified), ResultType(res) { 2133b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.ExtInfo = Info.Bits; 2134b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.SubclassInfo = SubclassInfo; 2135b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.TypeQuals = typeQuals; 213671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2137b870b88df784c2940efce448ebfaf54dece14666John McCall bool getSubClassData() const { return FunctionTypeBits.SubclassInfo; } 2138b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getTypeQuals() const { return FunctionTypeBits.TypeQuals; } 21395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 21401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getResultType() const { return ResultType; } 21425291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 2143b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getRegParmType() const { return getExtInfo().getRegParm(); } 2144b870b88df784c2940efce448ebfaf54dece14666John McCall bool getNoReturnAttr() const { return getExtInfo().getNoReturn(); } 2145b870b88df784c2940efce448ebfaf54dece14666John McCall CallingConv getCallConv() const { return getExtInfo().getCC(); } 2146b870b88df784c2940efce448ebfaf54dece14666John McCall ExtInfo getExtInfo() const { return ExtInfo(FunctionTypeBits.ExtInfo); } 21475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 21485291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// \brief Determine the type of an expression that calls a function of 21495291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// this type. 21505291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor QualType getCallResultType(ASTContext &Context) const { 21516398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor return getResultType().getNonLValueExprType(Context); 21525291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor } 21535291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 215404a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall static llvm::StringRef getNameForCallConv(CallingConv CC); 215504a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 21565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 21575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto || 21585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer T->getTypeClass() == FunctionProto; 21595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 21605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FunctionType *) { return true; } 21615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 21625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 216372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionNoProtoType - Represents a K&R-style 'int foo()' function, which has 21645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// no information available about its arguments. 216572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionNoProtoType : public FunctionType, public llvm::FoldingSetNode { 216671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall FunctionNoProtoType(QualType Result, QualType Canonical, ExtInfo Info) 21671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : FunctionType(FunctionNoProto, Result, false, 0, Canonical, 216835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /*Dependent=*/false, Result->isVariablyModifiedType(), 216935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Info) {} 21705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 217160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 217260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorprotected: 21731fb0caaa7bef765b85972274e3b434af2572c141John McCall virtual CachedProperties getCachedProperties() const; 217460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 21755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 21765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // No additional state past what FunctionType provides. 21771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2178bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2179bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2180bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 21815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 2182264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Profile(ID, getResultType(), getExtInfo()); 21835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 21842455636163fdd18581d7fdae816433f886d88213Mike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ResultType, 218571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo Info) { 218671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Info.Profile(ID); 21875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ResultType.getAsOpaquePtr()); 21885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 21891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 21915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto; 21925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 219372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionNoProtoType *) { return true; } 21945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 21955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 219672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionProtoType - Represents a prototype with argument type info, e.g. 21975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int foo(int)' or 'int foo(void)'. 'void' is represented as having no 2198465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// arguments, not as having a single void argument. Such a type can have an 2199465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// exception specification, but this specification is not part of the canonical 2200465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// type. 220172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionProtoType : public FunctionType, public llvm::FoldingSetNode { 220272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType(QualType Result, const QualType *ArgArray, unsigned numArgs, 2203465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool isVariadic, unsigned typeQuals, bool hasExs, 2204465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExs, const QualType *ExArray, 2205264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola unsigned numExs, QualType Canonical, 220635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor const ExtInfo &Info); 2207465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 22085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// NumArgs - The number of arguments this function has, not counting '...'. 2209465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned NumArgs : 20; 2210465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2211465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// NumExceptions - The number of types in the exception spec, if any. 2212465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned NumExceptions : 10; 2213465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2214465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// HasExceptionSpec - Whether this function has an exception spec at all. 2215465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool HasExceptionSpec : 1; 2216465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2217465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// AnyExceptionSpec - Whether this function has a throw(...) spec. 2218465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool AnyExceptionSpec : 1; 2219465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2220942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// ArgInfo - There is an variable size array after the class in memory that 2221942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// holds the argument types. 2222465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2223465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// Exceptions - There is another variable size array after ArgInfo that 2224465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// holds the exception types. 2225465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 22265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 22274b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 222860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorprotected: 22291fb0caaa7bef765b85972274e3b434af2572c141John McCall virtual CachedProperties getCachedProperties() const; 223060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 22315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 22325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 22335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgType(unsigned i) const { 22345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(i < NumArgs && "Invalid argument number!"); 2235942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return arg_type_begin()[i]; 22365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2237465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2238465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasExceptionSpec() const { return HasExceptionSpec; } 2239465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExceptionSpec() const { return AnyExceptionSpec; } 2240465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned getNumExceptions() const { return NumExceptions; } 2241465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl QualType getExceptionType(unsigned i) const { 2242465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(i < NumExceptions && "Invalid exception number!"); 2243465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin()[i]; 2244465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 22451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool hasEmptyExceptionSpec() const { 22461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return hasExceptionSpec() && !hasAnyExceptionSpec() && 2247a12823f6c0ec9e0e644a9d0ee153e973f49c63fcAnders Carlsson getNumExceptions() == 0; 2248d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson } 2249465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 22505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isVariadic() const { return getSubClassData(); } 2251971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned getTypeQuals() const { return FunctionType::getTypeQuals(); } 22521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef const QualType *arg_type_iterator; 2254942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_begin() const { 2255942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return reinterpret_cast<const QualType *>(this+1); 2256942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner } 2257942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_end() const { return arg_type_begin()+NumArgs; } 2258465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2259465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl typedef const QualType *exception_iterator; 2260465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_begin() const { 2261465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // exceptions begin where arguments end 2262465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return arg_type_end(); 2263465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2264465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_end() const { 2265465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin() + NumExceptions; 2266465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2267465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2268bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2269bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2270bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 22715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 22725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionProto; 22735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 227472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionProtoType *) { return true; } 2275465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 22765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID); 22775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Result, 2278942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator ArgTys, unsigned NumArgs, 2279465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool isVariadic, unsigned TypeQuals, 2280465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasExceptionSpec, bool anyExceptionSpec, 22812455636163fdd18581d7fdae816433f886d88213Mike Stump unsigned NumExceptions, exception_iterator Exs, 228271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo ExtInfo); 22835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 22845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 22855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2286ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// \brief Represents the dependent type named by a dependently-scoped 2287ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// typename using declaration, e.g. 2288ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// using typename Base<T>::foo; 2289ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// Template instantiation turns these into the underlying type. 2290ed97649e9574b9d854fa4d6109c9333ae0993554John McCallclass UnresolvedUsingType : public Type { 2291ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *Decl; 2292ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 229319c8576b7328f4dc2d07682f5da552875c1912efJohn McCall UnresolvedUsingType(const UnresolvedUsingTypenameDecl *D) 229435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(UnresolvedUsing, QualType(), true, false), 229519c8576b7328f4dc2d07682f5da552875c1912efJohn McCall Decl(const_cast<UnresolvedUsingTypenameDecl*>(D)) {} 2296ed97649e9574b9d854fa4d6109c9333ae0993554John McCall friend class ASTContext; // ASTContext creates these. 2297ed97649e9574b9d854fa4d6109c9333ae0993554John McCallpublic: 2298ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2299ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *getDecl() const { return Decl; } 2300ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2301ed97649e9574b9d854fa4d6109c9333ae0993554John McCall bool isSugared() const { return false; } 2302ed97649e9574b9d854fa4d6109c9333ae0993554John McCall QualType desugar() const { return QualType(this, 0); } 2303ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2304ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const Type *T) { 2305ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return T->getTypeClass() == UnresolvedUsing; 2306ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2307ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const UnresolvedUsingType *) { return true; } 2308ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2309ed97649e9574b9d854fa4d6109c9333ae0993554John McCall void Profile(llvm::FoldingSetNodeID &ID) { 2310ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Profile(ID, Decl); 2311ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2312ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static void Profile(llvm::FoldingSetNodeID &ID, 2313ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *D) { 2314ed97649e9574b9d854fa4d6109c9333ae0993554John McCall ID.AddPointer(D); 2315ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2316ed97649e9574b9d854fa4d6109c9333ae0993554John McCall}; 2317ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2318ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 23195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TypedefType : public Type { 23205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TypedefDecl *Decl; 2321c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanianprotected: 232219c8576b7328f4dc2d07682f5da552875c1912efJohn McCall TypedefType(TypeClass tc, const TypedefDecl *D, QualType can) 232335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(tc, can, can->isDependentType(), can->isVariablyModifiedType()), 232419c8576b7328f4dc2d07682f5da552875c1912efJohn McCall Decl(const_cast<TypedefDecl*>(D)) { 23255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isa<TypedefType>(can) && "Invalid canonical type"); 23265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 23275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 23285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 23291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TypedefDecl *getDecl() const { return Decl; } 23311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2332a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner /// LookThroughTypedefs - Return the ultimate type this typedef corresponds to 2333fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor /// potentially looking through *all* consecutive typedefs. This returns the 2334a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner /// sum of the type qualifiers, so if you have: 2335a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner /// typedef const int A; 2336a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner /// typedef volatile A B; 2337a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner /// looking through the typedefs for B will give you "const volatile A". 2338a2c7767ce7d8feb10253f4b650826a20f3324c6fChris Lattner QualType LookThroughTypedefs() const; 23391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2340bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2341bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 2342bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 234372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == Typedef; } 23445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TypedefType *) { return true; } 23455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 23465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 234772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType (GCC extension). 234872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass TypeOfExprType : public Type { 2349d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *TOExpr; 23501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2351b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorprotected: 2352dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType(Expr *E, QualType can = QualType()); 2353d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 2354d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 2355d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *getUnderlyingExpr() const { return TOExpr; } 23561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2357bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2358bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 2359bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2360bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2361bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2362bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 236372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOfExpr; } 236472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const TypeOfExprType *) { return true; } 2365d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 2366d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 2367c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 23681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typeof(expr) types. 2369c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 2370c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 2371c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 2372c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via TypeOfExprType nodes. 23731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass DependentTypeOfExprType 2374b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : public TypeOfExprType, public llvm::FoldingSetNode { 2375b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor ASTContext &Context; 23761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2377b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorpublic: 23781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentTypeOfExprType(ASTContext &Context, Expr *E) 2379b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : TypeOfExprType(E), Context(Context) { } 23801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2381bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2382bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2383bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2384b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2385b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 2386b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 23871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2388b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 2389b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Expr *E); 2390b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor}; 23911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2392d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff/// TypeOfType (GCC extension). 2393d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffclass TypeOfType : public Type { 2394d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType TOType; 23951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TypeOfType(QualType T, QualType can) 239635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(TypeOf, can, T->isDependentType(), T->isVariablyModifiedType()), 239735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor TOType(T) { 2398d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff assert(!isa<TypedefType>(can) && "Invalid canonical type"); 2399d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff } 2400d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 2401d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 2402d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getUnderlyingType() const { return TOType; } 24031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2404bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2405bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 2406bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2407bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2408bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2409bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 241072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOf; } 2411d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff static bool classof(const TypeOfType *) { return true; } 2412d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 24135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2414395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType (C++0x) 2415395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonclass DecltypeType : public Type { 2416395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *E; 24171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2418563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // FIXME: We could get rid of UnderlyingType if we wanted to: We would have to 2419563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // Move getDesugaredType to ASTContext so that it can call getDecltypeForExpr 2420563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // from it. 2421563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType UnderlyingType; 24221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24239d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorprotected: 2424563a03b1338d31c2462def43253a722bc885d384Anders Carlsson DecltypeType(Expr *E, QualType underlyingType, QualType can = QualType()); 2425395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson friend class ASTContext; // ASTContext creates these. 2426395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonpublic: 2427395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *getUnderlyingExpr() const { return E; } 2428563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType getUnderlyingType() const { return UnderlyingType; } 2429563a03b1338d31c2462def43253a722bc885d384Anders Carlsson 2430bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2431bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 2432bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2433bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2434bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return !isDependentType(); } 2435bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2436395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const Type *T) { return T->getTypeClass() == Decltype; } 2437395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const DecltypeType *) { return true; } 2438395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson}; 24391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2440c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 2441c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// decltype(expr) types. 2442c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 2443c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 2444c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 2445c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via DecltypeType nodes. 24469d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorclass DependentDecltypeType : public DecltypeType, public llvm::FoldingSetNode { 24479d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor ASTContext &Context; 24481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24499d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorpublic: 24509d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType(ASTContext &Context, Expr *E); 24511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2452bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2453bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2454bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 24559d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 24569d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 24579d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 24581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24599d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 24601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *E); 24619d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor}; 24621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TagType : public Type { 2464ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// Stores the TagDecl associated with this type. The decl may point to any 2465ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// TagDecl that declares the entity. 2466ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl * decl; 24672ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 24682ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregorprotected: 246919c8576b7328f4dc2d07682f5da552875c1912efJohn McCall TagType(TypeClass TC, const TagDecl *D, QualType can); 24702ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 24711fb0caaa7bef765b85972274e3b434af2572c141John McCall virtual CachedProperties getCachedProperties() const; 247260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 24731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 2474ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl *getDecl() const; 24751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24760b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor /// @brief Determines whether this type is in the process of being 24771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// defined. 2478ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl bool isBeingDefined() const; 24790b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 24801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 248172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return T->getTypeClass() >= TagFirst && T->getTypeClass() <= TagLast; 248272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor } 24835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TagType *) { return true; } 248472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const RecordType *) { return true; } 248572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const EnumType *) { return true; } 24865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 24875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 24885edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// RecordType - This is a helper class that allows the use of isa/cast/dyncast 24895edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of structs/unions/classes. 24905edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass RecordType : public TagType { 249149aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidisprotected: 249219c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit RecordType(const RecordDecl *D) 249319c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Record, reinterpret_cast<const TagDecl*>(D), QualType()) { } 249472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor explicit RecordType(TypeClass TC, RecordDecl *D) 249519c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(TC, reinterpret_cast<const TagDecl*>(D), QualType()) { } 24962ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 24975edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 24981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24995edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner RecordDecl *getDecl() const { 25005edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<RecordDecl*>(TagType::getDecl()); 25015edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 25021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // FIXME: This predicate is a helper to QualType/Type. It needs to 25045edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // recursively check all fields for const-ness. If any field is declared 25051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // const, it needs to return false. 25065edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner bool hasConstFields() const { return false; } 25075edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 25085edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // FIXME: RecordType needs to check when it is created that all fields are in 25095edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // the same address space, and return that. 25105edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner unsigned getAddressSpace() const { return 0; } 25111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2512bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2513bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2514bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 25152daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 25162daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 25172daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 25182daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 25195edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const RecordType *) { return true; } 25205edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 25215edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 25225edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// EnumType - This is a helper class that allows the use of isa/cast/dyncast 25235edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of enums. 25245edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass EnumType : public TagType { 252519c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit EnumType(const EnumDecl *D) 252619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Enum, reinterpret_cast<const TagDecl*>(D), QualType()) { } 25272ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 25285edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 25291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25305edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner EnumDecl *getDecl() const { 25315edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<EnumDecl*>(TagType::getDecl()); 25325edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 25331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2534bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2535bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2536bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 25372daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 25382daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 25392daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 25402daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 25415edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const EnumType *) { return true; } 25425edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 25435edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 2544fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorclass TemplateTypeParmType : public Type, public llvm::FoldingSetNode { 2545efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned Depth : 15; 2546efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned ParameterPack : 1; 254777be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned Index : 16; 2548efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *Name; 254972c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2550efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType(unsigned D, unsigned I, bool PP, IdentifierInfo *N, 2551efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor QualType Canon) 255235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(TemplateTypeParm, Canon, /*Dependent=*/true, 255335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /*VariablyModified=*/false), 255477be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall Depth(D), ParameterPack(PP), Index(I), Name(N) { } 255572c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 25561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType(unsigned D, unsigned I, bool PP) 255735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(TemplateTypeParm, QualType(this, 0), /*Dependent=*/true, 255835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /*VariablyModified=*/false), 255977be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall Depth(D), ParameterPack(PP), Index(I), Name(0) { } 256072c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2561fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor friend class ASTContext; // ASTContext creates these 256272c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2563fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorpublic: 2564efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned getDepth() const { return Depth; } 2565efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned getIndex() const { return Index; } 2566efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor bool isParameterPack() const { return ParameterPack; } 2567efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *getName() const { return Name; } 25681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2569bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2570bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2571bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2572fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2573efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor Profile(ID, Depth, Index, ParameterPack, Name); 2574fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 2575fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 25761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, unsigned Depth, 25771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned Index, bool ParameterPack, 2578efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *Name) { 2579fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Depth); 2580fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Index); 258176e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson ID.AddBoolean(ParameterPack); 2582efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor ID.AddPointer(Name); 2583fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 2584fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 25851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 25861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateTypeParm; 258772c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor } 258872c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor static bool classof(const TemplateTypeParmType *T) { return true; } 258972c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor}; 2590fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 259149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Represents the result of substituting a type for a template 259249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type parameter. 259349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// 259449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// Within an instantiated template, all template type parameters have 259549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// been replaced with these. They are used solely to record that a 259649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type was originally written as a template type parameter; 259749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// therefore they are never canonical. 259849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallclass SubstTemplateTypeParmType : public Type, public llvm::FoldingSetNode { 259949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall // The original type parameter. 260049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced; 260149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 260249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(const TemplateTypeParmType *Param, QualType Canon) 260335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(SubstTemplateTypeParm, Canon, Canon->isDependentType(), 260435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Canon->isVariablyModifiedType()), 260549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Replaced(Param) { } 260649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 260749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall friend class ASTContext; 260849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 260949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallpublic: 2610efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *getName() const { return Replaced->getName(); } 2611efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor 261249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the template parameter that was substituted for. 261349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *getReplacedParameter() const { 261449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return Replaced; 261549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 261649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 261749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the type that was substituted for the template 261849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// parameter. 261949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType getReplacementType() const { 262049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getCanonicalTypeInternal(); 262149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 262249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 262349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall bool isSugared() const { return true; } 262449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType desugar() const { return getReplacementType(); } 262549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 262649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 262749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Profile(ID, getReplacedParameter(), getReplacementType()); 262849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 262949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, 263049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced, 263149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 263249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replaced); 263349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replacement.getAsOpaquePtr()); 263449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 263549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 263649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const Type *T) { 263749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return T->getTypeClass() == SubstTemplateTypeParm; 263849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 263949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const SubstTemplateTypeParmType *T) { return true; } 264049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall}; 264149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 26427532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Represents the type of a template specialization as written 26437532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// in the source code. 264455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// 26457532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// Template specialization types represent the syntactic form of a 26467532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template-id that refers to a type, e.g., @c vector<int>. Some 26477532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template specialization types are syntactic sugar, whose canonical 26487532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// type will point to some other type node that represents the 26497532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// instantiation or class template specialization. For example, a 265055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// class template specialization type of @c vector<int> will refer to 26511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// a tag type for the instantiation 265255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// @c std::vector<int, std::allocator<int>>. 26537532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// 26547532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// Other template specialization types, for which the template name 26557532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// is dependent, may be canonical types. These types are always 26567532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// dependent. 26571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass TemplateSpecializationType 265855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor : public Type, public llvm::FoldingSetNode { 265933500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The name of the template being specialized. 26607532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Template; 266155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 266240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief - The number of template arguments named in this class 266340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// template specialization. 266455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned NumArgs; 266555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 2666ef99001908e799c388f1363b1e607dad5f5b57d3John McCall TemplateSpecializationType(TemplateName T, 26677532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 26687532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, QualType Canon); 266955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 267055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor friend class ASTContext; // ASTContext creates these 267155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 267255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregorpublic: 267340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Determine whether any of the given template arguments are 267440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// dependent. 267540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor static bool anyDependentTemplateArguments(const TemplateArgument *Args, 26761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned NumArgs); 267740808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 2678833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static bool anyDependentTemplateArguments(const TemplateArgumentLoc *Args, 2679833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs); 2680833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2681d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static bool anyDependentTemplateArguments(const TemplateArgumentListInfo &); 2682d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 2683df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// \brief Print a template argument list, including the '<' and '>' 2684df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// enclosing the template arguments. 2685df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor static std::string PrintTemplateArgumentList(const TemplateArgument *Args, 2686d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned NumArgs, 2687d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor const PrintingPolicy &Policy); 2688df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor 2689833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static std::string PrintTemplateArgumentList(const TemplateArgumentLoc *Args, 2690833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs, 2691833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const PrintingPolicy &Policy); 2692833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2693d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static std::string PrintTemplateArgumentList(const TemplateArgumentListInfo &, 2694d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const PrintingPolicy &Policy); 2695d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 269631f17ecbef57b5679c017c375db330546b7b5145John McCall /// True if this template specialization type matches a current 269731f17ecbef57b5679c017c375db330546b7b5145John McCall /// instantiation in the context in which it is found. 269831f17ecbef57b5679c017c375db330546b7b5145John McCall bool isCurrentInstantiation() const { 269971d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall return isa<InjectedClassNameType>(getCanonicalTypeInternal()); 270031f17ecbef57b5679c017c375db330546b7b5145John McCall } 270131f17ecbef57b5679c017c375db330546b7b5145John McCall 270240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor typedef const TemplateArgument * iterator; 270340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 270440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor iterator begin() const { return getArgs(); } 270533500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // defined inline in TemplateBase.h 270640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 27077532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor /// \brief Retrieve the name of the template that we are specializing. 27087532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName getTemplateName() const { return Template; } 270955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 271040808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the template arguments. 27111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const TemplateArgument *getArgs() const { 271240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor return reinterpret_cast<const TemplateArgument *>(this + 1); 271340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor } 271440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 271540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the number of template arguments. 271655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned getNumArgs() const { return NumArgs; } 271755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 271855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \brief Retrieve a specific template argument as a type. 271955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \precondition @c isArgType(Arg) 272033500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 272155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 272231f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { 272331f17ecbef57b5679c017c375db330546b7b5145John McCall return !isDependentType() || isCurrentInstantiation(); 272431f17ecbef57b5679c017c375db330546b7b5145John McCall } 2725bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getCanonicalTypeInternal(); } 2726bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2727ef99001908e799c388f1363b1e607dad5f5b57d3John McCall void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Ctx) { 272871d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall Profile(ID, Template, getArgs(), NumArgs, Ctx); 272955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 273055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 27317532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, TemplateName T, 273231f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateArgument *Args, 273331f17ecbef57b5679c017c375db330546b7b5145John McCall unsigned NumArgs, 2734828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor ASTContext &Context); 273555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 27361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 27371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateSpecialization; 273855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 27397532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static bool classof(const TemplateSpecializationType *T) { return true; } 274055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor}; 274155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 274231f17ecbef57b5679c017c375db330546b7b5145John McCall/// \brief The injected class name of a C++ class template or class 274331f17ecbef57b5679c017c375db330546b7b5145John McCall/// template partial specialization. Used to record that a type was 274431f17ecbef57b5679c017c375db330546b7b5145John McCall/// spelled with a bare identifier rather than as a template-id; the 274531f17ecbef57b5679c017c375db330546b7b5145John McCall/// equivalent for non-templated classes is just RecordType. 27463cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 274731f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always dependent. Template 274831f17ecbef57b5679c017c375db330546b7b5145John McCall/// instantiation turns these into RecordTypes. 27493cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 275031f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always canonical. This works 275131f17ecbef57b5679c017c375db330546b7b5145John McCall/// because it is impossible to compare an injected class name type 275231f17ecbef57b5679c017c375db330546b7b5145John McCall/// with the corresponding non-injected template type, for the same 275331f17ecbef57b5679c017c375db330546b7b5145John McCall/// reason that it is impossible to directly compare template 275431f17ecbef57b5679c017c375db330546b7b5145John McCall/// parameters from different dependent contexts: injected class name 275531f17ecbef57b5679c017c375db330546b7b5145John McCall/// types can only occur within the scope of a particular templated 275631f17ecbef57b5679c017c375db330546b7b5145John McCall/// declaration, and within that scope every template specialization 275731f17ecbef57b5679c017c375db330546b7b5145John McCall/// will canonicalize to the injected class name (when appropriate 275831f17ecbef57b5679c017c375db330546b7b5145John McCall/// according to the rules of the language). 27593cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallclass InjectedClassNameType : public Type { 27603cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall CXXRecordDecl *Decl; 27613cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 276231f17ecbef57b5679c017c375db330546b7b5145John McCall /// The template specialization which this type represents. 276331f17ecbef57b5679c017c375db330546b7b5145John McCall /// For example, in 276431f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class T> class A { ... }; 276531f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<T>, whereas in 276631f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class X, class Y> class A<B<X,Y> > { ... }; 276731f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<B<X,Y> >. 276831f17ecbef57b5679c017c375db330546b7b5145John McCall /// 276931f17ecbef57b5679c017c375db330546b7b5145John McCall /// It is always unqualified, always a template specialization type, 277031f17ecbef57b5679c017c375db330546b7b5145John McCall /// and always dependent. 277131f17ecbef57b5679c017c375db330546b7b5145John McCall QualType InjectedType; 27723cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 27733cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall friend class ASTContext; // ASTContext creates these. 2774c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; // FIXME: ASTContext::getInjectedClassNameType is not 2775c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl // currently suitable for AST reading, too much 277643921b53b582145f0d1b7c48223bd4d9f0a9d1beArgyrios Kyrtzidis // interdependencies. 277731f17ecbef57b5679c017c375db330546b7b5145John McCall InjectedClassNameType(CXXRecordDecl *D, QualType TST) 277835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(InjectedClassName, QualType(), /*Dependent=*/true, 277935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /*VariablyModified=*/false), 278031f17ecbef57b5679c017c375db330546b7b5145John McCall Decl(D), InjectedType(TST) { 27813cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<TemplateSpecializationType>(TST)); 27823cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(!TST.hasQualifiers()); 278331f17ecbef57b5679c017c375db330546b7b5145John McCall assert(TST->isDependentType()); 27843cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 27853cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 27863cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallpublic: 278731f17ecbef57b5679c017c375db330546b7b5145John McCall QualType getInjectedSpecializationType() const { return InjectedType; } 278831f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateSpecializationType *getInjectedTST() const { 278931f17ecbef57b5679c017c375db330546b7b5145John McCall return cast<TemplateSpecializationType>(InjectedType.getTypePtr()); 27903cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 27913cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 2792ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl CXXRecordDecl *getDecl() const; 27933cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 279431f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { return false; } 279531f17ecbef57b5679c017c375db330546b7b5145John McCall QualType desugar() const { return QualType(this, 0); } 27963cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 27973cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const Type *T) { 27983cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return T->getTypeClass() == InjectedClassName; 27993cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 28003cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const InjectedClassNameType *T) { return true; } 28013cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall}; 28023cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 2803465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief The kind of a tag type. 2804465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraenum TagTypeKind { 2805465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "struct" keyword. 2806465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Struct, 2807465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "union" keyword. 2808465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Union, 2809465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword. 2810465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Class, 2811465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "enum" keyword. 2812465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Enum 2813465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 2814465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 28154a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief The elaboration keyword that precedes a qualified type name or 28164a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// introduces an elaborated-type-specifier. 28174a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregorenum ElaboratedTypeKeyword { 28184a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "struct" keyword introduces the elaborated-type-specifier. 28194a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Struct, 28204a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "union" keyword introduces the elaborated-type-specifier. 28214a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Union, 2822465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword introduces the elaborated-type-specifier. 2823465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Class, 28244a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "enum" keyword introduces the elaborated-type-specifier. 2825465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Enum, 2826465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "typename" keyword precedes the qualified type name, e.g., 2827465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \c typename T::type. 2828465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Typename, 2829465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief No keyword precedes the qualified type name. 2830465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_None 28314a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor}; 2832465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2833465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// A helper class for Type nodes having an ElaboratedTypeKeyword. 2834465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The keyword in stored in the free bits of the base class. 2835465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// Also provides a few static helpers for converting and printing 2836465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// elaborated type keyword and tag type kind enumerations. 2837465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass TypeWithKeyword : public Type { 2838465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraprotected: 2839465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TypeWithKeyword(ElaboratedTypeKeyword Keyword, TypeClass tc, 284035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor QualType Canonical, bool Dependent, bool VariablyModified) 284177be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall : Type(tc, Canonical, Dependent, VariablyModified) { 284277be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall TypeWithKeywordBits.Keyword = Keyword; 284377be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall } 2844465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2845465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnarapublic: 2846465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara virtual ~TypeWithKeyword(); // pin vtable to Type.cpp 2847465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2848465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypeKeyword getKeyword() const { 284977be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall return static_cast<ElaboratedTypeKeyword>(TypeWithKeywordBits.Keyword); 2850465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 2851465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2852465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTypeSpec - Converts a type specifier (DeclSpec::TST) 2853465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into an elaborated type keyword. 2854465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTypeSpec(unsigned TypeSpec); 2855465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2856465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForTypeSpec - Converts a type specifier (DeclSpec::TST) 2857465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into a tag type kind. It is an error to provide a type specifier 2858465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 2859465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForTypeSpec(unsigned TypeSpec); 2860465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2861465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTagDeclKind - Converts a TagTypeKind into an 2862465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// elaborated type keyword. 2863465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTagTypeKind(TagTypeKind Tag); 2864465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2865465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForKeyword - Converts an elaborated type keyword into 2866465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara // a TagTypeKind. It is an error to provide an elaborated type keyword 2867465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 2868465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForKeyword(ElaboratedTypeKeyword Keyword); 2869465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2870465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool KeywordIsTagTypeKind(ElaboratedTypeKeyword Keyword); 2871465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2872465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getKeywordName(ElaboratedTypeKeyword Keyword); 2873465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2874465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getTagTypeKindName(TagTypeKind Kind) { 2875465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getKeywordName(getKeywordForTagTypeKind(Kind)); 2876465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 2877465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2878465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara class CannotCastToThisType {}; 2879465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static CannotCastToThisType classof(const Type *); 2880465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 2881465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2882465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief Represents a type that was referred to using an elaborated type 2883465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// keyword, e.g., struct S, or via a qualified name, e.g., N::M::type, 2884465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// or both. 2885e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// 2886e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// This type is used to keep track of a type name as written in the 2887465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// source code, including tag keywords and any nested-name-specifiers. 2888465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The type itself is always "sugar", used to express what was written 2889465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// in the source code but containing no additional semantic information. 2890465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass ElaboratedType : public TypeWithKeyword, public llvm::FoldingSetNode { 2891465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2892ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The nested name specifier containing the qualifier. 2893ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *NNS; 2894e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2895e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief The type that this qualified name refers to. 2896e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType; 2897e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2898465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 2899465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType, QualType CanonType) 2900465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara : TypeWithKeyword(Keyword, Elaborated, CanonType, 290135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor NamedType->isDependentType(), 290235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor NamedType->isVariablyModifiedType()), 2903465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), NamedType(NamedType) { 2904465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!(Keyword == ETK_None && NNS == 0) && 2905465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "ElaboratedType cannot have elaborated type keyword " 2906465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "and name qualifier both null."); 2907465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 2908e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2909e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor friend class ASTContext; // ASTContext creates these 2910e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2911e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregorpublic: 291233500955d731c73717af52088b7fc0e7a85681e7John McCall ~ElaboratedType(); 2913465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2914ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief Retrieve the qualification on this type. 2915ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 2916e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2917e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief Retrieve the type named by the qualified-id. 2918e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType getNamedType() const { return NamedType; } 2919e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2920bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2921bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getNamedType(); } 2922bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2923bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2924bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2925bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2926e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2927465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, NamedType); 2928e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 2929e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2930465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 2931465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, QualType NamedType) { 2932465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ID.AddInteger(Keyword); 2933ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor ID.AddPointer(NNS); 2934ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NamedType.Profile(ID); 2935ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor } 2936e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 29371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 2938465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return T->getTypeClass() == Elaborated; 2939e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 2940465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool classof(const ElaboratedType *T) { return true; } 2941e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor}; 2942e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 29434a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief Represents a qualified type name for which the type name is 29444a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent. 2945d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor/// 29464a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// DependentNameType represents a class of dependent types that involve a 29474a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent nested-name-specifier (e.g., "T::") followed by a (dependent) 29484a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// name of a type. The DependentNameType may start with a "typename" (for a 29494a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// typename-specifier), "class", "struct", "union", or "enum" (for a 29504a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent elaborated-type-specifier), or nothing (in contexts where we 29514a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// know that we must be referring to a type, e.g., in a base class specifier). 2952465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass DependentNameType : public TypeWithKeyword, public llvm::FoldingSetNode { 2953465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2954d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The nested name specifier containing the qualifier. 2955d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *NNS; 2956d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2957d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The type that this typename specifier refers to. 295833500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 2959d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 29604a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 29614a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, QualType CanonType) 296235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : TypeWithKeyword(Keyword, DependentName, CanonType, /*Dependent=*/true, 296335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /*VariablyModified=*/false), 2964465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), Name(Name) { 29651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(NNS->isDependent() && 29664714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor "DependentNameType requires a dependent nested-name-specifier"); 2967d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2968d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2969d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor friend class ASTContext; // ASTContext creates these 2970d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2971d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregorpublic: 297233500955d731c73717af52088b7fc0e7a85681e7John McCall virtual ~DependentNameType(); 2973465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2974d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief Retrieve the qualification on this type. 2975d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 2976d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 29771734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// \brief Retrieve the type named by the typename specifier as an 29781734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// identifier. 29791734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// 29801734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// This routine will return a non-NULL identifier pointer when the 29811734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// form of the original typename was terminated by an identifier, 29821734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// e.g., "typename T::type". 29831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const IdentifierInfo *getIdentifier() const { 298433500955d731c73717af52088b7fc0e7a85681e7John McCall return Name; 29851734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 2986d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2987bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2988bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2989bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2990d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2991465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, Name); 2992d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2993d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 29944a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 299533500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, const IdentifierInfo *Name) { 29964a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ID.AddInteger(Keyword); 2997d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor ID.AddPointer(NNS); 299833500955d731c73717af52088b7fc0e7a85681e7John McCall ID.AddPointer(Name); 2999d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3000d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 30011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 30024714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor return T->getTypeClass() == DependentName; 3003d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 30044714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor static bool classof(const DependentNameType *T) { return true; } 3005d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor}; 3006d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 300733500955d731c73717af52088b7fc0e7a85681e7John McCall/// DependentTemplateSpecializationType - Represents a template 300833500955d731c73717af52088b7fc0e7a85681e7John McCall/// specialization type whose template cannot be resolved, e.g. 300933500955d731c73717af52088b7fc0e7a85681e7John McCall/// A<T>::template B<T> 301033500955d731c73717af52088b7fc0e7a85681e7John McCallclass DependentTemplateSpecializationType : 301133500955d731c73717af52088b7fc0e7a85681e7John McCall public TypeWithKeyword, public llvm::FoldingSetNode { 301233500955d731c73717af52088b7fc0e7a85681e7John McCall 301333500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The nested name specifier containing the qualifier. 301433500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS; 301533500955d731c73717af52088b7fc0e7a85681e7John McCall 301633500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The identifier of the template. 301733500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 301833500955d731c73717af52088b7fc0e7a85681e7John McCall 301933500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief - The number of template arguments named in this class 302033500955d731c73717af52088b7fc0e7a85681e7John McCall /// template specialization. 302133500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs; 302233500955d731c73717af52088b7fc0e7a85681e7John McCall 302333500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgBuffer() const { 302433500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<const TemplateArgument*>(this+1); 302533500955d731c73717af52088b7fc0e7a85681e7John McCall } 302633500955d731c73717af52088b7fc0e7a85681e7John McCall TemplateArgument *getArgBuffer() { 302733500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<TemplateArgument*>(this+1); 302833500955d731c73717af52088b7fc0e7a85681e7John McCall } 302933500955d731c73717af52088b7fc0e7a85681e7John McCall 3030ef99001908e799c388f1363b1e607dad5f5b57d3John McCall DependentTemplateSpecializationType(ElaboratedTypeKeyword Keyword, 303133500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 303233500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 303333500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 303433500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args, 303533500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon); 303633500955d731c73717af52088b7fc0e7a85681e7John McCall 303733500955d731c73717af52088b7fc0e7a85681e7John McCall friend class ASTContext; // ASTContext creates these 303833500955d731c73717af52088b7fc0e7a85681e7John McCall 303933500955d731c73717af52088b7fc0e7a85681e7John McCallpublic: 304033500955d731c73717af52088b7fc0e7a85681e7John McCall virtual ~DependentTemplateSpecializationType(); 304133500955d731c73717af52088b7fc0e7a85681e7John McCall 304233500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *getQualifier() const { return NNS; } 304333500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *getIdentifier() const { return Name; } 304433500955d731c73717af52088b7fc0e7a85681e7John McCall 304533500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the template arguments. 304633500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgs() const { 304733500955d731c73717af52088b7fc0e7a85681e7John McCall return getArgBuffer(); 304833500955d731c73717af52088b7fc0e7a85681e7John McCall } 304933500955d731c73717af52088b7fc0e7a85681e7John McCall 305033500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the number of template arguments. 305133500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned getNumArgs() const { return NumArgs; } 305233500955d731c73717af52088b7fc0e7a85681e7John McCall 305333500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 305433500955d731c73717af52088b7fc0e7a85681e7John McCall 305533500955d731c73717af52088b7fc0e7a85681e7John McCall typedef const TemplateArgument * iterator; 305633500955d731c73717af52088b7fc0e7a85681e7John McCall iterator begin() const { return getArgs(); } 305733500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // inline in TemplateBase.h 305833500955d731c73717af52088b7fc0e7a85681e7John McCall 305933500955d731c73717af52088b7fc0e7a85681e7John McCall bool isSugared() const { return false; } 306033500955d731c73717af52088b7fc0e7a85681e7John McCall QualType desugar() const { return QualType(this, 0); } 306133500955d731c73717af52088b7fc0e7a85681e7John McCall 3062ef99001908e799c388f1363b1e607dad5f5b57d3John McCall void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context) { 306333500955d731c73717af52088b7fc0e7a85681e7John McCall Profile(ID, Context, getKeyword(), NNS, Name, NumArgs, getArgs()); 306433500955d731c73717af52088b7fc0e7a85681e7John McCall } 306533500955d731c73717af52088b7fc0e7a85681e7John McCall 306633500955d731c73717af52088b7fc0e7a85681e7John McCall static void Profile(llvm::FoldingSetNodeID &ID, 306733500955d731c73717af52088b7fc0e7a85681e7John McCall ASTContext &Context, 306833500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 306933500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *Qualifier, 307033500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 307133500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 307233500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args); 307333500955d731c73717af52088b7fc0e7a85681e7John McCall 307433500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const Type *T) { 307533500955d731c73717af52088b7fc0e7a85681e7John McCall return T->getTypeClass() == DependentTemplateSpecialization; 307633500955d731c73717af52088b7fc0e7a85681e7John McCall } 307733500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const DependentTemplateSpecializationType *T) { 307833500955d731c73717af52088b7fc0e7a85681e7John McCall return true; 307933500955d731c73717af52088b7fc0e7a85681e7John McCall } 308033500955d731c73717af52088b7fc0e7a85681e7John McCall}; 308133500955d731c73717af52088b7fc0e7a85681e7John McCall 3082c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectType - Represents a class type in Objective C. 3083c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Every Objective C type is a combination of a base type and a 3084c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// list of protocols. 3085c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3086c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Given the following declarations: 3087c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @class C; 3088c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @protocol P; 3089c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3090c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C' is an ObjCInterfaceType C. It is sugar for an ObjCObjectType 3091c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// with base C and no protocols. 3092c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3093c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C<P>' is an ObjCObjectType with base C and protocol list [P]. 3094c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3095e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id' is a TypedefType which is sugar for an ObjCPointerType whose 3096e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// pointee is an ObjCObjectType with base BuiltinType::ObjCIdType 3097e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// and no protocols. 3098c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3099e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id<P>' is an ObjCPointerType whose pointee is an ObjCObjecType 3100e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// with base BuiltinType::ObjCIdType and protocol list [P]. Eventually 3101e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// this should get its own sugar class to better represent the source. 3102c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectType : public Type { 3103b870b88df784c2940efce448ebfaf54dece14666John McCall // ObjCObjectType.NumProtocols - the number of protocols stored 3104b870b88df784c2940efce448ebfaf54dece14666John McCall // after the ObjCObjectPointerType node. 310571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // 310671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // These protocols are those written directly on the type. If 310771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // protocol qualifiers ever become additive, the iterators will need 310871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // to get kindof complicated. 310971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // 311071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // In the canonical object type, these are sorted alphabetically 311171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // and uniqued. 3112c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 3113c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Either a BuiltinType or an InterfaceType or sugar for either. 3114c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType BaseType; 3115c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3116c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *getProtocolStorage() const { 3117c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return const_cast<ObjCObjectType*>(this)->getProtocolStorage(); 3118c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3119c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3120c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl **getProtocolStorage(); 3121c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3122c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallprotected: 3123c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(QualType Canonical, QualType Base, 3124c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, unsigned NumProtocols); 3125c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3126c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum Nonce_ObjCInterface { Nonce_ObjCInterface }; 3127c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(enum Nonce_ObjCInterface) 312835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(ObjCInterface, QualType(), false, false), 312971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall BaseType(QualType(this_(), 0)) { 3130b870b88df784c2940efce448ebfaf54dece14666John McCall ObjCObjectTypeBits.NumProtocols = 0; 313171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 3132c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 313360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorprotected: 31341fb0caaa7bef765b85972274e3b434af2572c141John McCall CachedProperties getCachedProperties() const; // key function 313560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 31363536b443bc50d58a79f14fca9b6842541a434854Steve Naroffpublic: 3137e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getBaseType - Gets the base type of this object type. This is 3138e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// always (possibly sugar for) one of: 3139e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'id' builtin type (as opposed to the 'id' type visible to the 3140e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user, which is a typedef for an ObjCPointerType) 3141e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'Class' builtin type (same caveat) 3142e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - an ObjCObjectType (currently always an ObjCInterfaceType) 3143c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType getBaseType() const { return BaseType; } 314471842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek 3145c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCId() const { 3146c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCId); 3147c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3148c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCClass() const { 3149c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCClass); 3150c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3151c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedId() const { return qual_empty() && isObjCId(); } 3152c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedClass() const { return qual_empty() && isObjCClass(); } 3153c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedIdOrClass() const { 3154c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!qual_empty()) return false; 3155c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const BuiltinType *T = getBaseType()->getAs<BuiltinType>()) 3156c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getKind() == BuiltinType::ObjCId || 3157c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getKind() == BuiltinType::ObjCClass; 3158c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return false; 3159c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3160c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedId() const { return !qual_empty() && isObjCId(); } 3161c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedClass() const { return !qual_empty() && isObjCClass(); } 3162c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3163c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Gets the interface declaration for this object type, if the base type 3164c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// really is an interface. 3165c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *getInterface() const; 3166c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3167c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCProtocolDecl * const *qual_iterator; 3168c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3169c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_begin() const { return getProtocolStorage(); } 3170c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { return qual_begin() + getNumProtocols(); } 3171c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3172c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getNumProtocols() == 0; } 31731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3174c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// getNumProtocols - Return the number of qualifying protocols in this 3175c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// interface type, or 0 if there are none. 3176b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getNumProtocols() const { return ObjCObjectTypeBits.NumProtocols; } 317714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3178c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// \brief Fetch a protocol by index. 317973dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 318073dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor assert(I < getNumProtocols() && "Out-of-range protocol access"); 318173dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor return qual_begin()[I]; 318273dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 318373dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 3184bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3185bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3186bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3187c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const Type *T) { 3188c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getTypeClass() == ObjCObject || 3189c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getTypeClass() == ObjCInterface; 3190c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3191c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const ObjCObjectType *) { return true; } 3192c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 3193c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3194c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectTypeImpl - A class providing a concrete implementation 3195c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// of ObjCObjectType, so as to not increase the footprint of 3196c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType. Code outside of ASTContext and the core type 3197c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// system should not reference this type. 3198c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectTypeImpl : public ObjCObjectType, public llvm::FoldingSetNode { 3199c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; 3200c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3201c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If anyone adds fields here, ObjCObjectType::getProtocolStorage() 3202c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // will need to be modified. 3203c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3204c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl(QualType Canonical, QualType Base, 3205c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 3206c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols) 3207c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Canonical, Base, Protocols, NumProtocols) {} 3208c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3209c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 3210c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff void Profile(llvm::FoldingSetNodeID &ID); 32111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, 3212c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Base, 3213c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl *const *protocols, 3214c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols); 3215c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 32161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3217c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCProtocolDecl **ObjCObjectType::getProtocolStorage() { 3218c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return reinterpret_cast<ObjCProtocolDecl**>( 3219c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static_cast<ObjCObjectTypeImpl*>(this) + 1); 3220c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 3221c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3222c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType - Interfaces are the core concept in Objective-C for 3223c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// object oriented design. They basically correspond to C++ classes. There 3224c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// are two kinds of interface types, normal interfaces like "NSString" and 3225c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// qualified interfaces, which are qualified with a protocol list like 3226c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// "NSString<NSCopyable, NSAmazing>". 3227e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 3228e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCInterfaceType guarantees the following properties when considered 3229e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// as a subtype of its superclass, ObjCObjectType: 3230e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - There are no protocol qualifiers. To reinforce this, code which 3231e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// tries to invoke the protocol methods via an ObjCInterfaceType will 3232e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// fail to compile. 3233e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - It is its own base type. That is, if T is an ObjCInterfaceType*, 3234e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// T->getBaseType() == QualType(T, 0). 3235c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCInterfaceType : public ObjCObjectType { 3236c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *Decl; 3237c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3238c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceType(const ObjCInterfaceDecl *D) 3239c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Nonce_ObjCInterface), 3240c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Decl(const_cast<ObjCInterfaceDecl*>(D)) {} 3241c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; // ASTContext creates these. 32421fb0caaa7bef765b85972274e3b434af2572c141John McCall 32431fb0caaa7bef765b85972274e3b434af2572c141John McCallprotected: 32441fb0caaa7bef765b85972274e3b434af2572c141John McCall virtual CachedProperties getCachedProperties() const; 32451fb0caaa7bef765b85972274e3b434af2572c141John McCall 3246c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 3247e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getDecl - Get the declaration of this interface. 3248deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceDecl *getDecl() const { return Decl; } 3249c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3250c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isSugared() const { return false; } 3251c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType desugar() const { return QualType(this, 0); } 32520b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 32531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 32541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCInterface; 32553536b443bc50d58a79f14fca9b6842541a434854Steve Naroff } 3256a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCInterfaceType *) { return true; } 3257c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3258c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Nonsense to "hide" certain members of ObjCObjectType within this 3259c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // class. People asking for protocols on an ObjCInterfaceType are 3260c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // not going to get what they want: ObjCInterfaceTypes are 3261c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // guaranteed to have no protocols. 3262c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum { 3263c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator, 3264c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_begin, 3265c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_end, 3266c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getNumProtocols, 3267c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getProtocol 3268c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall }; 32693536b443bc50d58a79f14fca9b6842541a434854Steve Naroff}; 32703536b443bc50d58a79f14fca9b6842541a434854Steve Naroff 3271c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCInterfaceDecl *ObjCObjectType::getInterface() const { 3272c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCInterfaceType *T = 3273c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getBaseType()->getAs<ObjCInterfaceType>()) 3274c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getDecl(); 3275c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return 0; 3276c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 3277c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3278e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCObjectPointerType - Used to represent a pointer to an 3279e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Objective C object. These are constructed from pointer 3280e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// declarators when the pointee type is an ObjCObjectType (or sugar 3281e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for one). In addition, the 'id' and 'Class' types are typedefs 3282e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for these, and the protocol-qualified types 'id<P>' and 'Class<P>' 3283e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// are translated into these. 328414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff/// 3285e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Pointers to pointers to Objective C objects are still PointerTypes; 3286e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// only the first level of pointer gets it own type implementation. 328714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffclass ObjCObjectPointerType : public Type, public llvm::FoldingSetNode { 3288e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall QualType PointeeType; 32891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3290c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType(QualType Canonical, QualType Pointee) 329135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(ObjCObjectPointer, Canonical, false, false), 3292c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall PointeeType(Pointee) {} 329314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff friend class ASTContext; // ASTContext creates these. 32941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 329560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorprotected: 32961fb0caaa7bef765b85972274e3b434af2572c141John McCall virtual CachedProperties getCachedProperties() const; 329760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 329814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffpublic: 3299e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getPointeeType - Gets the type pointed to by this ObjC pointer. 3300e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The result will always be an ObjCObjectType or sugar thereof. 330114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const { return PointeeType; } 330214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3303e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getObjCObjectType - Gets the type pointed to by this ObjC 3304e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// pointer. This method always returns non-null. 3305e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 3306e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// This method is equivalent to getPointeeType() except that 3307e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// it discards any typedefs (or other sugar) between this 3308e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type and the "outermost" object type. So for: 3309e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @class A; @protocol P; @protocol Q; 3310e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A<P> AP; 3311e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A A1; 3312e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1<P> A1P; 3313e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1P<Q> A1PQ; 3314e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A*', getObjectType() will return 'A'. 3315e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A<P>*', getObjectType() will return 'A<P>'. 3316e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'AP*', getObjectType() will return 'A<P>'. 3317e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1*', getObjectType() will return 'A'. 3318e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1<P>*', getObjectType() will return 'A1<P>'. 3319e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1P*', getObjectType() will return 'A1<P>'. 3320e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1PQ*', getObjectType() will return 'A1<Q>', because 3321e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// adding protocols to a protocol-qualified base discards the 3322e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// old qualifiers (for now). But if it didn't, getObjectType() 3323e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// would return 'A1P<Q>' (and we'd have to make iterating over 3324e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers more complicated). 3325c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getObjectType() const { 3326c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return PointeeType->getAs<ObjCObjectType>(); 3327c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3328c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3329e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceType - If this pointer points to an Objective C 3330e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @interface type, gets the type for that interface. Any protocol 3331e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers on the interface are ignored. 3332e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 3333e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 33341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCInterfaceType *getInterfaceType() const { 3335c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getBaseType()->getAs<ObjCInterfaceType>(); 333614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3337e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3338e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceDecl - If this pointer points to an Objective @interface 3339e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type, gets the declaration for that interface. 3340e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 3341e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 334214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ObjCInterfaceDecl *getInterfaceDecl() const { 3343e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall return getObjectType()->getInterface(); 334414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3345e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3346e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCIdType - True if this is equivalent to the 'id' type, i.e. if 3347e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// its object type is the primitive 'id' type with no protocols. 334814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const { 3349c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedId(); 335014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3351e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3352e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCClassType - True if this is equivalent to the 'Class' type, 3353e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// i.e. if its object tive is the primitive 'Class' type with no protocols. 335414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const { 3355c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedClass(); 3356de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 33578d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian 3358e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedIdType - True if this is equivalent to 'id<P>' for some 3359e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// non-empty set of protocols. 33601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isObjCQualifiedIdType() const { 3361c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedId(); 3362de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 3363e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3364e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedClassType - True if this is equivalent to 'Class<P>' for 3365e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// some non-empty set of protocols. 3366470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const { 3367c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedClass(); 336814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3369e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3370e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// An iterator over the qualifiers on the object type. Provided 3371e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// for convenience. This will always iterate over the full set of 3372e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// protocols on a type, not just those provided directly. 3373c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCObjectType::qual_iterator qual_iterator; 337414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 337571842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek qual_iterator qual_begin() const { 3376c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_begin(); 337771842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 3378c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { 3379c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_end(); 338071842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 3381c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getObjectType()->qual_empty(); } 338214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3383e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getNumProtocols - Return the number of qualifying protocols on 3384e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// the object type. 3385c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned getNumProtocols() const { 3386c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getNumProtocols(); 3387c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 338814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3389e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \brief Retrieve a qualifying protocol by index on the object 3390e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type. 339173dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 3392c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getProtocol(I); 339373dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 339473dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 3395bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3396bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3397bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3398e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall void Profile(llvm::FoldingSetNodeID &ID) { 3399e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall Profile(ID, getPointeeType()); 3400e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall } 3401c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, QualType T) { 3402c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ID.AddPointer(T.getAsOpaquePtr()); 3403c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 34041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 34051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCObjectPointer; 340614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 340714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff static bool classof(const ObjCObjectPointerType *) { return true; } 340814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff}; 34091bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 34100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// A qualifier set is used to build a set of qualifiers. 34110953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualifierCollector : public Qualifiers { 34120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ASTContext *Context; 34130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 34140953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 34150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector(Qualifiers Qs = Qualifiers()) 34160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Qualifiers(Qs), Context(0) {} 34170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector(ASTContext &Context, Qualifiers Qs = Qualifiers()) 34180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Qualifiers(Qs), Context(&Context) {} 34190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 34200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setContext(ASTContext &C) { Context = &C; } 34210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 34220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Collect any qualifiers on the given type and return an 34230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// unqualified type. 34240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *strip(QualType QT) { 3425a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor addFastQualifiers(QT.getLocalFastQualifiers()); 3426a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (QT.hasLocalNonFastQualifiers()) { 34270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = QT.getExtQualsUnsafe(); 34280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Context = &EQ->getContext(); 34290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addQualifiers(EQ->getQualifiers()); 34300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getBaseType(); 34310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 34320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QT.getTypePtrUnsafe(); 34330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 34340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 34350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 34360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType apply(QualType QT) const; 34370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 34380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 34390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType apply(const Type* T) const; 34400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 34410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 34420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 34430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3444611c1fff195d32df97706e0920c92468b2509900Chris Lattner// Inline function definitions. 34455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3446467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCallinline bool QualType::isCanonical() const { 3447467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall const Type *T = getTypePtr(); 3448a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalQualifiers()) 3449467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall return T->isCanonicalUnqualified() && !isa<ArrayType>(T); 3450467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall return T->isCanonicalUnqualified(); 3451467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall} 3452467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 345354e14c4db764c0636160d26c5bbf491637c83a76John McCallinline bool QualType::isCanonicalAsParam() const { 3454a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalQualifiers()) return false; 3455745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 345654e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *T = getTypePtr(); 3457745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if ((*this)->isPointerType()) { 3458745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian QualType BaseType = (*this)->getAs<PointerType>()->getPointeeType(); 3459745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (isa<VariableArrayType>(BaseType)) { 3460745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ArrayType *AT = dyn_cast<ArrayType>(BaseType); 3461745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian VariableArrayType *VAT = cast<VariableArrayType>(AT); 3462745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (VAT->getSizeExpr()) 3463745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian T = BaseType.getTypePtr(); 3464745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 3465745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 346654e14c4db764c0636160d26c5bbf491637c83a76John McCall return T->isCanonicalUnqualified() && 346754e14c4db764c0636160d26c5bbf491637c83a76John McCall !isa<FunctionType>(T) && !isa<ArrayType>(T); 346854e14c4db764c0636160d26c5bbf491637c83a76John McCall} 346954e14c4db764c0636160d26c5bbf491637c83a76John McCall 3470fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isConstQualified() const { 3471fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalConstQualified() || 3472fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().isLocalConstQualified(); 3473fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3474fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3475fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isRestrictQualified() const { 3476fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalRestrictQualified() || 3477fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().isLocalRestrictQualified(); 3478fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3479fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3480fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3481fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isVolatileQualified() const { 3482fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalVolatileQualified() || 3483fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().isLocalVolatileQualified(); 3484fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3485fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3486fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::hasQualifiers() const { 3487fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return hasLocalQualifiers() || 3488fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().hasLocalQualifiers(); 3489fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3490fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3491fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline Qualifiers QualType::getQualifiers() const { 3492fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Qualifiers Quals = getLocalQualifiers(); 3493fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Quals.addQualifiers( 3494fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().getLocalQualifiers()); 3495fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return Quals; 3496fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3497fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3498fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline unsigned QualType::getCVRQualifiers() const { 3499fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return getLocalCVRQualifiers() | 3500fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().getLocalCVRQualifiers(); 3501fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3502e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 3503e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// getCVRQualifiersThroughArrayTypes - If there are CVR qualifiers for this 3504e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// type, returns them. Otherwise, if this is an array type, recurses 3505e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// on the element type until some qualifiers have been found or a non-array 3506e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// type reached. 3507e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruthinline unsigned QualType::getCVRQualifiersThroughArrayTypes() const { 3508e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth if (unsigned Quals = getCVRQualifiers()) 3509e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth return Quals; 3510e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth QualType CT = getTypePtr()->getCanonicalTypeInternal(); 3511e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 3512e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth return AT->getElementType().getCVRQualifiersThroughArrayTypes(); 3513e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth return 0; 3514e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth} 3515e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 35160953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline void QualType::removeConst() { 35170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(Qualifiers::Const); 35180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 35190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 35200953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline void QualType::removeRestrict() { 35210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(Qualifiers::Restrict); 35220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 35230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 35240953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline void QualType::removeVolatile() { 35250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qc; 35260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ty = Qc.strip(*this); 35270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Qc.hasVolatile()) { 35280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qc.removeVolatile(); 35290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall *this = Qc.apply(Ty); 35300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 35310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 35320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 35330953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline void QualType::removeCVRQualifiers(unsigned Mask) { 35346b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall assert(!(Mask & ~Qualifiers::CVRMask) && "mask has non-CVR bits"); 35350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 35360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast path: we don't need to touch the slow qualifiers. 35370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!(Mask & ~Qualifiers::FastMask)) { 35380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(Mask); 35390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return; 35400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 35410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 35420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qc; 35430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ty = Qc.strip(*this); 35440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qc.removeCVRQualifiers(Mask); 35450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall *this = Qc.apply(Ty); 3546ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 3547ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 3548ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb/// getAddressSpace - Return the address space of this type. 3549ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lambinline unsigned QualType::getAddressSpace() const { 3550a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) { 35510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = getExtQualsUnsafe(); 35520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasAddressSpace()) 35530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getAddressSpace(); 35540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 35550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 35564243a94b43ef6207938f3023dfcfb804dd545363Chris Lattner QualType CT = getTypePtr()->getCanonicalTypeInternal(); 3557a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (CT.hasLocalNonFastQualifiers()) { 35580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = CT.getExtQualsUnsafe(); 35590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasAddressSpace()) 35600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getAddressSpace(); 35610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 35620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 35634243a94b43ef6207938f3023dfcfb804dd545363Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 3564c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT->getElementType().getAddressSpace(); 35654243a94b43ef6207938f3023dfcfb804dd545363Chris Lattner if (const RecordType *RT = dyn_cast<RecordType>(CT)) 35668e7dafec4b70303dfaff95151cd06bfc5532720cNate Begeman return RT->getAddressSpace(); 3567ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb return 0; 3568ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 3569611c1fff195d32df97706e0920c92468b2509900Chris Lattner 3570d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian/// getObjCGCAttr - Return the gc attribute of this type. 35710953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline Qualifiers::GC QualType::getObjCGCAttr() const { 3572a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) { 35730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = getExtQualsUnsafe(); 35740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasObjCGCAttr()) 35750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getObjCGCAttr(); 35760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 35770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3578d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CT = getTypePtr()->getCanonicalTypeInternal(); 3579a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (CT.hasLocalNonFastQualifiers()) { 35800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = CT.getExtQualsUnsafe(); 35810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasObjCGCAttr()) 35820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getObjCGCAttr(); 35830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 35840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3585d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 3586d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return AT->getElementType().getObjCGCAttr(); 3587183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *PT = CT->getAs<ObjCObjectPointerType>()) 35881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return PT->getPointeeType().getObjCGCAttr(); 3589ac423ba85bb59cc7cc1d43081b20d7e8d40355ffFariborz Jahanian // We most look at all pointer types, not just pointer to interface types. 3590ac423ba85bb59cc7cc1d43081b20d7e8d40355ffFariborz Jahanian if (const PointerType *PT = CT->getAs<PointerType>()) 35911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return PT->getPointeeType().getObjCGCAttr(); 35920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qualifiers::GCNone; 3593d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 35942455636163fdd18581d7fdae816433f886d88213Mike Stump 3595264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(const Type &t) { 3596264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola if (const PointerType *PT = t.getAs<PointerType>()) { 3597183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const FunctionType *FT = PT->getPointeeType()->getAs<FunctionType>()) 3598264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 3599264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } else if (const FunctionType *FT = t.getAs<FunctionType>()) 3600264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 36012455636163fdd18581d7fdae816433f886d88213Mike Stump 3602264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FunctionType::ExtInfo(); 36032455636163fdd18581d7fdae816433f886d88213Mike Stump} 36041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3605264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(QualType t) { 3606264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getFunctionExtInfo(*t); 3607ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 3608ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 3609b87786f045d798b070980c108c922e1475d27b15Douglas Gregor/// \brief Determine whether this set of qualifiers is a superset of the given 3610b87786f045d798b070980c108c922e1475d27b15Douglas Gregor/// set of qualifiers. 3611b87786f045d798b070980c108c922e1475d27b15Douglas Gregorinline bool Qualifiers::isSupersetOf(Qualifiers Other) const { 3612b87786f045d798b070980c108c922e1475d27b15Douglas Gregor return Mask != Other.Mask && (Mask | Other.Mask) == Mask; 3613b87786f045d798b070980c108c922e1475d27b15Douglas Gregor} 3614b87786f045d798b070980c108c922e1475d27b15Douglas Gregor 3615e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isMoreQualifiedThan - Determine whether this type is more 3616e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// qualified than the Other type. For example, "const volatile int" 3617e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// is more qualified than "const int", "volatile int", and 3618e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int". However, it is not more qualified than "const volatile 3619e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int". 3620e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline bool QualType::isMoreQualifiedThan(QualType Other) const { 36210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // FIXME: work on arbitrary qualifiers 3622e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned MyQuals = this->getCVRQualifiersThroughArrayTypes(); 3623e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned OtherQuals = Other.getCVRQualifiersThroughArrayTypes(); 3624ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner if (getAddressSpace() != Other.getAddressSpace()) 3625ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner return false; 3626e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return MyQuals != OtherQuals && (MyQuals | OtherQuals) == MyQuals; 3627e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 3628e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 3629e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isAtLeastAsQualifiedAs - Determine whether this type is at last 3630e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// as qualified as the Other type. For example, "const volatile 3631e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int" is at least as qualified as "const int", "volatile int", 3632e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int", and "const volatile int". 3633e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline bool QualType::isAtLeastAsQualifiedAs(QualType Other) const { 36340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // FIXME: work on arbitrary qualifiers 3635e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned MyQuals = this->getCVRQualifiersThroughArrayTypes(); 3636e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned OtherQuals = Other.getCVRQualifiersThroughArrayTypes(); 3637ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner if (getAddressSpace() != Other.getAddressSpace()) 3638ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner return false; 3639e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return (MyQuals | OtherQuals) == MyQuals; 3640e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 3641e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 3642e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// getNonReferenceType - If Type is a reference type (e.g., const 3643e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int&), returns the type that the reference refers to ("const 3644e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int"). Otherwise, returns the type itself. This routine is used 3645e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// throughout Sema to implement C++ 5p6: 3646e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 3647e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// If an expression initially has the type "reference to T" (8.3.2, 3648e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 8.5.3), the type is adjusted to "T" prior to any further 3649e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// analysis, the expression designates the object or function 3650e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// denoted by the reference, and the expression is an lvalue. 3651e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline QualType QualType::getNonReferenceType() const { 36526217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType *RefType = (*this)->getAs<ReferenceType>()) 3653e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return RefType->getPointeeType(); 3654e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor else 3655e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return *this; 3656e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 3657e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 3658611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isFunctionType() const { 3659a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<FunctionType>(CanonicalType); 3660611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3661611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isPointerType() const { 3662a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<PointerType>(CanonicalType); 3663611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 366458f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroffinline bool Type::isAnyPointerType() const { 366558f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff return isPointerType() || isObjCObjectPointerType(); 366658f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff} 36675618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffinline bool Type::isBlockPointerType() const { 3668a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<BlockPointerType>(CanonicalType); 36695618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 3670bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattnerinline bool Type::isReferenceType() const { 3671a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ReferenceType>(CanonicalType); 3672bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner} 36737c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isLValueReferenceType() const { 3674a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<LValueReferenceType>(CanonicalType); 36757c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 36767c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isRValueReferenceType() const { 3677a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RValueReferenceType>(CanonicalType); 36787c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 3679498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenekinline bool Type::isFunctionPointerType() const { 36806217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType* T = getAs<PointerType>()) 3681498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return T->getPointeeType()->isFunctionType(); 3682498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek else 3683498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return false; 3684498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek} 3685f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberPointerType() const { 3686a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<MemberPointerType>(CanonicalType); 3687f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 3688f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberFunctionPointerType() const { 36896217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const MemberPointerType* T = getAs<MemberPointerType>()) 36900bab0cdab751248ca389a5592bcb70eac5d39260John McCall return T->isMemberFunctionPointer(); 3691f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl else 3692f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return false; 3693f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 3694db68e28c05a67735211e688009890cf834c22e75Douglas Gregorinline bool Type::isMemberDataPointerType() const { 3695db68e28c05a67735211e688009890cf834c22e75Douglas Gregor if (const MemberPointerType* T = getAs<MemberPointerType>()) 36960bab0cdab751248ca389a5592bcb70eac5d39260John McCall return T->isMemberDataPointer(); 3697db68e28c05a67735211e688009890cf834c22e75Douglas Gregor else 3698db68e28c05a67735211e688009890cf834c22e75Douglas Gregor return false; 3699db68e28c05a67735211e688009890cf834c22e75Douglas Gregor} 3700611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isArrayType() const { 3701a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ArrayType>(CanonicalType); 3702611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3703c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isConstantArrayType() const { 3704a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ConstantArrayType>(CanonicalType); 3705c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 3706c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isIncompleteArrayType() const { 3707a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<IncompleteArrayType>(CanonicalType); 3708c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 3709c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isVariableArrayType() const { 3710a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VariableArrayType>(CanonicalType); 3711c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 3712898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorinline bool Type::isDependentSizedArrayType() const { 3713a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<DependentSizedArrayType>(CanonicalType); 3714898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 37153ff83dd534ccc828203670ce3f5125a4eb4199f8John McCallinline bool Type::isBuiltinType() const { 37163ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall return isa<BuiltinType>(CanonicalType); 37173ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall} 3718611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isRecordType() const { 3719a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RecordType>(CanonicalType); 3720611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 37213ff83dd534ccc828203670ce3f5125a4eb4199f8John McCallinline bool Type::isEnumeralType() const { 37223ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall return isa<EnumType>(CanonicalType); 37233ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall} 3724f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattnerinline bool Type::isAnyComplexType() const { 3725a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ComplexType>(CanonicalType); 3726f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner} 3727611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isVectorType() const { 3728a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VectorType>(CanonicalType); 3729611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3730213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemaninline bool Type::isExtVectorType() const { 3731a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ExtVectorType>(CanonicalType); 3732611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3733d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroffinline bool Type::isObjCObjectPointerType() const { 3734a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ObjCObjectPointerType>(CanonicalType); 3735d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 3736c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline bool Type::isObjCObjectType() const { 3737c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isa<ObjCObjectType>(CanonicalType); 3738368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner} 3739569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorinline bool Type::isObjCObjectOrInterfaceType() const { 3740569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return isa<ObjCInterfaceType>(CanonicalType) || 3741569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor isa<ObjCObjectType>(CanonicalType); 3742569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 3743569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 3744a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekinline bool Type::isObjCQualifiedIdType() const { 3745183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 3746d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return OPT->isObjCQualifiedIdType(); 3747d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return false; 3748d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian} 3749470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroffinline bool Type::isObjCQualifiedClassType() const { 3750183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 3751470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return OPT->isObjCQualifiedClassType(); 3752470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return false; 3753470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff} 375414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCIdType() const { 3755183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 375614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCIdType(); 375714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 375814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 375914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCClassType() const { 3760183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 376114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCClassType(); 376214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 376314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 376413dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanianinline bool Type::isObjCSelType() const { 37658d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (const PointerType *OPT = getAs<PointerType>()) 37668d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return OPT->getPointeeType()->isSpecificBuiltinType(BuiltinType::ObjCSel); 376713dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return false; 376813dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian} 3769de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroffinline bool Type::isObjCBuiltinType() const { 377013dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return isObjCIdType() || isObjCClassType() || isObjCSelType(); 3771de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff} 377272c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregorinline bool Type::isTemplateTypeParmType() const { 3773a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<TemplateTypeParmType>(CanonicalType); 377472c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor} 377572c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 3776e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbarinline bool Type::isSpecificBuiltinType(unsigned K) const { 3777183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = getAs<BuiltinType>()) 3778e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar if (BT->getKind() == (BuiltinType::Kind) K) 3779e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return true; 3780e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return false; 3781e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar} 3782e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 37832a984cad5ac3fdceeff2bd99daa7b90979313475John McCallinline bool Type::isPlaceholderType() const { 37842a984cad5ac3fdceeff2bd99daa7b90979313475John McCall if (const BuiltinType *BT = getAs<BuiltinType>()) 37852a984cad5ac3fdceeff2bd99daa7b90979313475John McCall return BT->isPlaceholderType(); 37862a984cad5ac3fdceeff2bd99daa7b90979313475John McCall return false; 37872a984cad5ac3fdceeff2bd99daa7b90979313475John McCall} 37882a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 3789063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// \brief Determines whether this is a type for which one can define 3790063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// an overloaded operator. 3791063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregorinline bool Type::isOverloadableType() const { 3792063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor return isDependentType() || isRecordType() || isEnumeralType(); 3793904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor} 3794904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor 37958958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbarinline bool Type::hasPointerRepresentation() const { 37968958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar return (isPointerType() || isReferenceType() || isBlockPointerType() || 3797c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall isObjCObjectPointerType() || isNullPtrType()); 37988958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar} 37998958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 3800820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanianinline bool Type::hasObjCPointerRepresentation() const { 3801c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isObjCObjectPointerType(); 3802820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian} 3803820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 380422caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// Insertion operator for diagnostics. This allows sending QualType's into a 380522caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// diagnostic with <<. 380622caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 380722caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner QualType T) { 380822caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner DB.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 380922caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner Diagnostic::ak_qualtype); 381022caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner return DB; 381122caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner} 38121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 381347c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// Insertion operator for partial diagnostics. This allows sending QualType's 381447c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// into a diagnostic with <<. 381547c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruthinline const PartialDiagnostic &operator<<(const PartialDiagnostic &PD, 381647c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth QualType T) { 381747c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth PD.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 381847c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth Diagnostic::ak_qualtype); 381947c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth return PD; 382047c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth} 382147c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth 382289c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// Helper class template that is used by Type::getAs to ensure that one does 382389c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// not try to look through a qualified type to get to an array type. 382489c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T, 382589c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor bool isArrayType = (llvm::is_same<T, ArrayType>::value || 382689c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor llvm::is_base_of<ArrayType, T>::value)> 382789c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs { }; 382889c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 382989c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T> 383089c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs<T, true>; 383189c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 38321a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek/// Member-template getAs<specific type>'. 38331a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenektemplate <typename T> const T *Type::getAs() const { 383489c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor ArrayType_cannot_be_used_with_getAs<T> at; 383589c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor (void)at; 383689c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 38371a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If this is directly a T type, return it. 38381a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek if (const T *Ty = dyn_cast<T>(this)) 38391a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return Ty; 38401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38411a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If the canonical form of this type isn't the right kind, reject it. 38420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<T>(CanonicalType)) 38431a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return 0; 38441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this is a typedef for the type, strip the typedef off without 38461a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // losing all typedef information. 3847bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return cast<T>(getUnqualifiedDesugaredType()); 38481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump} 384922caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner 38505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 38515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 38525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 3853