Type.h revision b001de7458d17c17e6d8b8034c7cfcefd3b70c00
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" 188b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl#include "clang/Basic/ExceptionSpecificationType.h" 191734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor#include "clang/Basic/IdentifierTable.h" 200b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor#include "clang/Basic/Linkage.h" 2147c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth#include "clang/Basic/PartialDiagnostic.h" 221fb0caaa7bef765b85972274e3b434af2572c141John McCall#include "clang/Basic/Visibility.h" 23e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor#include "clang/AST/NestedNameSpecifier.h" 247532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor#include "clang/AST/TemplateName.h" 2550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor#include "llvm/Support/type_traits.h" 269fe8c74a93ac8e92512615c5f83e7a328b3b0544David Blaikie#include "llvm/Support/ErrorHandling.h" 27fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff#include "llvm/ADT/APSInt.h" 285cf243a883872441d73ca49cea7e20de5802629bChris Lattner#include "llvm/ADT/FoldingSet.h" 29cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor#include "llvm/ADT/Optional.h" 305cf243a883872441d73ca49cea7e20de5802629bChris Lattner#include "llvm/ADT/PointerIntPair.h" 311734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor#include "llvm/ADT/PointerUnion.h" 329594675cc1eb52a054de13c4a21e466643847480Chris Lattner#include "clang/Basic/LLVM.h" 337532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 346b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCallnamespace clang { 356b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { 36f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor TypeAlignmentInBits = 4, 376b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment = 1 << TypeAlignmentInBits 386b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall }; 39aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class Type; 40aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class ExtQuals; 41aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class QualType; 426b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall} 435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 444e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnernamespace llvm { 454e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner template <typename T> 46daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattner class PointerLikeTypeTraits; 47bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner template<> 48bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner class PointerLikeTypeTraits< ::clang::Type*> { 49bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner public: 50bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner static inline void *getAsVoidPointer(::clang::Type *P) { return P; } 51bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner static inline ::clang::Type *getFromVoidPointer(void *P) { 52bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner return static_cast< ::clang::Type*>(P); 53bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner } 546b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { NumLowBitsAvailable = clang::TypeAlignmentInBits }; 55bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner }; 560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall template<> 570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall class PointerLikeTypeTraits< ::clang::ExtQuals*> { 580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall public: 590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static inline void *getAsVoidPointer(::clang::ExtQuals *P) { return P; } 600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static inline ::clang::ExtQuals *getFromVoidPointer(void *P) { 610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return static_cast< ::clang::ExtQuals*>(P); 620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 636b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { NumLowBitsAvailable = clang::TypeAlignmentInBits }; 640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall }; 65aed1df80bf64228e1429c1edc408397f9174847cChris Lattner 66aed1df80bf64228e1429c1edc408397f9174847cChris Lattner template <> 67aed1df80bf64228e1429c1edc408397f9174847cChris Lattner struct isPodLike<clang::QualType> { static const bool value = true; }; 684e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner} 694e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class ASTContext; 72162e1c1b487352434552147967c3dd296ebee2f7Richard Smith class TypedefNameDecl; 7355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor class TemplateDecl; 7472c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor class TemplateTypeParmDecl; 75aaba5e346dffdbad5d1c42765a89e4a7afb0da67Douglas Gregor class NonTypeTemplateParmDecl; 767532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor class TemplateTemplateParmDecl; 775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TagDecl; 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class RecordDecl; 7949aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis class CXXRecordDecl; 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class EnumDecl; 8121d50e12c3c412d8457071dc419363b7a7e8b855Ted Kremenek class FieldDecl; 82a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCInterfaceDecl; 83a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCProtocolDecl; 84a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCMethodDecl; 85ed97649e9574b9d854fa4d6109c9333ae0993554John McCall class UnresolvedUsingTypenameDecl; 865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 87b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek class Stmt; 885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class SourceLocation; 8992866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek class StmtIteratorBase; 9040808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor class TemplateArgument; 91833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall class TemplateArgumentLoc; 92d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall class TemplateArgumentListInfo; 93465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara class ElaboratedType; 943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall class ExtQuals; 953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall class ExtQualsTypeCommonBase; 963b4ea54acf01f72f6eb74d96689dda86d950228fDaniel Dunbar struct PrintingPolicy; 9772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 98ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall template <typename> class CanQual; 99ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall typedef CanQual<Type> CanQualType; 100ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall 10172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // Provide forward declarations for all of the *Type classes 10272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) class Class##Type; 10372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 104f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// Qualifiers - The collection of all-type qualifiers we support. 1060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// Clang supports five independent qualifiers: 1070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * C99: const, volatile, and restrict 1080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * Embedded C (TR18037): address spaces 1090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * Objective C: the GC attributes (none, weak, or strong) 1100953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass Qualifiers { 1115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum TQ { // NOTE: These flags must be kept in sync with DeclSpec::TQ. 1135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Const = 0x1, 1145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Restrict = 0x2, 1155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Volatile = 0x4, 1160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CVRMask = Const | Volatile | Restrict 1175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 1181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum GC { 120d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian GCNone = 0, 121d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian Weak, 122d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian Strong 123d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian }; 124efadb7768e7c7418185f5a4010ecd8b21ca9731bJohn McCall 125f85e193739c953358c865005855253af4f68a497John McCall enum ObjCLifetime { 126f85e193739c953358c865005855253af4f68a497John McCall /// There is no lifetime qualification on this type. 127f85e193739c953358c865005855253af4f68a497John McCall OCL_None, 128f85e193739c953358c865005855253af4f68a497John McCall 129f85e193739c953358c865005855253af4f68a497John McCall /// This object can be modified without requiring retains or 130f85e193739c953358c865005855253af4f68a497John McCall /// releases. 131f85e193739c953358c865005855253af4f68a497John McCall OCL_ExplicitNone, 132f85e193739c953358c865005855253af4f68a497John McCall 133f85e193739c953358c865005855253af4f68a497John McCall /// Assigning into this object requires the old value to be 134f85e193739c953358c865005855253af4f68a497John McCall /// released and the new value to be retained. The timing of the 135f85e193739c953358c865005855253af4f68a497John McCall /// release of the old value is inexact: it may be moved to 136f85e193739c953358c865005855253af4f68a497John McCall /// immediately after the last known point where the value is 137f85e193739c953358c865005855253af4f68a497John McCall /// live. 138f85e193739c953358c865005855253af4f68a497John McCall OCL_Strong, 139f85e193739c953358c865005855253af4f68a497John McCall 140f85e193739c953358c865005855253af4f68a497John McCall /// Reading or writing from this object requires a barrier call. 141f85e193739c953358c865005855253af4f68a497John McCall OCL_Weak, 142f85e193739c953358c865005855253af4f68a497John McCall 143f85e193739c953358c865005855253af4f68a497John McCall /// Assigning into this object requires a lifetime extension. 144f85e193739c953358c865005855253af4f68a497John McCall OCL_Autoreleasing 145f85e193739c953358c865005855253af4f68a497John McCall }; 146f85e193739c953358c865005855253af4f68a497John McCall 1470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum { 1480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The maximum supported address space number. 1490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 24 bits should be enough for anyone. 1500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall MaxAddressSpace = 0xffffffu, 1510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The width of the "fast" qualifier mask. 153f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor FastWidth = 3, 1540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The fast qualifier mask. 1560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FastMask = (1 << FastWidth) - 1 1570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall }; 1580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers() : Mask(0) {} 1600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromFastMask(unsigned Mask) { 1620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.addFastQualifiers(Mask); 1640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromCVRMask(unsigned CVR) { 1680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.addCVRQualifiers(CVR); 1700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Deserialize qualifiers from an opaque representation. 1740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromOpaqueValue(unsigned opaque) { 1750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.Mask = opaque; 1770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Serialize these qualifiers into an opaque representation. 1810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAsOpaqueValue() const { 1820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Mask; 1830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasConst() const { return Mask & Const; } 1860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setConst(bool flag) { 1870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Const) | (flag ? Const : 0); 1880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeConst() { Mask &= ~Const; } 1900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { Mask |= Const; } 1910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasVolatile() const { return Mask & Volatile; } 1930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setVolatile(bool flag) { 1940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Volatile) | (flag ? Volatile : 0); 1950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeVolatile() { Mask &= ~Volatile; } 1970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addVolatile() { Mask |= Volatile; } 1980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasRestrict() const { return Mask & Restrict; } 2000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setRestrict(bool flag) { 2010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Restrict) | (flag ? Restrict : 0); 2020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeRestrict() { Mask &= ~Restrict; } 2040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addRestrict() { Mask |= Restrict; } 2050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasCVRQualifiers() const { return getCVRQualifiers(); } 2070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getCVRQualifiers() const { return Mask & CVRMask; } 2080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setCVRQualifiers(unsigned mask) { 2090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 2100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~CVRMask) | mask; 2110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers(unsigned mask) { 2130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 2140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask &= ~mask; 2150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers() { 2170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeCVRQualifiers(CVRMask); 2180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addCVRQualifiers(unsigned mask) { 2200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 2210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= mask; 2220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasObjCGCAttr() const { return Mask & GCAttrMask; } 2250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GC getObjCGCAttr() const { return GC((Mask & GCAttrMask) >> GCAttrShift); } 2260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setObjCGCAttr(GC type) { 2270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~GCAttrMask) | (type << GCAttrShift); 2280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeObjCGCAttr() { setObjCGCAttr(GCNone); } 2300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addObjCGCAttr(GC type) { 2310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(type); 2320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall setObjCGCAttr(type); 2330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2342234873111009eb8655d63362cedc422eb9fc517John McCall Qualifiers withoutObjCGCAttr() const { 2352234873111009eb8655d63362cedc422eb9fc517John McCall Qualifiers qs = *this; 2362234873111009eb8655d63362cedc422eb9fc517John McCall qs.removeObjCGCAttr(); 2372234873111009eb8655d63362cedc422eb9fc517John McCall return qs; 2382234873111009eb8655d63362cedc422eb9fc517John McCall } 239f85e193739c953358c865005855253af4f68a497John McCall Qualifiers withoutObjCGLifetime() const { 240f85e193739c953358c865005855253af4f68a497John McCall Qualifiers qs = *this; 241f85e193739c953358c865005855253af4f68a497John McCall qs.removeObjCLifetime(); 242f85e193739c953358c865005855253af4f68a497John McCall return qs; 243f85e193739c953358c865005855253af4f68a497John McCall } 2440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 245f85e193739c953358c865005855253af4f68a497John McCall bool hasObjCLifetime() const { return Mask & LifetimeMask; } 246f85e193739c953358c865005855253af4f68a497John McCall ObjCLifetime getObjCLifetime() const { 247f85e193739c953358c865005855253af4f68a497John McCall return ObjCLifetime((Mask & LifetimeMask) >> LifetimeShift); 248f85e193739c953358c865005855253af4f68a497John McCall } 249f85e193739c953358c865005855253af4f68a497John McCall void setObjCLifetime(ObjCLifetime type) { 250f85e193739c953358c865005855253af4f68a497John McCall Mask = (Mask & ~LifetimeMask) | (type << LifetimeShift); 251f85e193739c953358c865005855253af4f68a497John McCall } 252f85e193739c953358c865005855253af4f68a497John McCall void removeObjCLifetime() { setObjCLifetime(OCL_None); } 253f85e193739c953358c865005855253af4f68a497John McCall void addObjCLifetime(ObjCLifetime type) { 254f85e193739c953358c865005855253af4f68a497John McCall assert(type); 255f85e193739c953358c865005855253af4f68a497John McCall setObjCLifetime(type); 256f85e193739c953358c865005855253af4f68a497John McCall } 257f85e193739c953358c865005855253af4f68a497John McCall 258f85e193739c953358c865005855253af4f68a497John McCall /// True if the lifetime is neither None or ExplicitNone. 259f85e193739c953358c865005855253af4f68a497John McCall bool hasNonTrivialObjCLifetime() const { 260f85e193739c953358c865005855253af4f68a497John McCall ObjCLifetime lifetime = getObjCLifetime(); 261f85e193739c953358c865005855253af4f68a497John McCall return (lifetime > OCL_ExplicitNone); 262f85e193739c953358c865005855253af4f68a497John McCall } 263f85e193739c953358c865005855253af4f68a497John McCall 264f85e193739c953358c865005855253af4f68a497John McCall /// True if the lifetime is either strong or weak. 265f85e193739c953358c865005855253af4f68a497John McCall bool hasStrongOrWeakObjCLifetime() const { 266f85e193739c953358c865005855253af4f68a497John McCall ObjCLifetime lifetime = getObjCLifetime(); 267f85e193739c953358c865005855253af4f68a497John McCall return (lifetime == OCL_Strong || lifetime == OCL_Weak); 268f85e193739c953358c865005855253af4f68a497John McCall } 269f85e193739c953358c865005855253af4f68a497John McCall 2700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasAddressSpace() const { return Mask & AddressSpaceMask; } 2710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAddressSpace() const { return Mask >> AddressSpaceShift; } 2720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setAddressSpace(unsigned space) { 2730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(space <= MaxAddressSpace); 2740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~AddressSpaceMask) 2750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall | (((uint32_t) space) << AddressSpaceShift); 2760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeAddressSpace() { setAddressSpace(0); } 2780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addAddressSpace(unsigned space) { 2790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(space); 2800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall setAddressSpace(space); 2810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast qualifiers are those that can be allocated directly 2840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // on a QualType object. 2850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasFastQualifiers() const { return getFastQualifiers(); } 2860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getFastQualifiers() const { return Mask & FastMask; } 2870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setFastQualifiers(unsigned mask) { 2880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~FastMask) | mask; 2900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers(unsigned mask) { 2920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask &= ~mask; 2940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers() { 2960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(FastMask); 2970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned mask) { 2990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 3000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= mask; 3010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// hasNonFastQualifiers - Return true if the set contains any 3040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers which require an ExtQuals node to be allocated. 3050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasNonFastQualifiers() const { return Mask & ~FastMask; } 3060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getNonFastQualifiers() const { 3070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals = *this; 3080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.setFastQualifiers(0); 3090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Quals; 3100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// hasQualifiers - Return true if the set contains any qualifiers. 3130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasQualifiers() const { return Mask; } 3140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool empty() const { return !Mask; } 3150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// \brief Add the qualifiers from the given set to this set. 3170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addQualifiers(Qualifiers Q) { 3180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the other set doesn't have any non-boolean qualifiers, just 3190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // bit-or it in. 3200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!(Q.Mask & ~CVRMask)) 3210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= Q.Mask; 3220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall else { 3230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= (Q.Mask & CVRMask); 3240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Q.hasAddressSpace()) 3250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addAddressSpace(Q.getAddressSpace()); 3260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Q.hasObjCGCAttr()) 3270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addObjCGCAttr(Q.getObjCGCAttr()); 328f85e193739c953358c865005855253af4f68a497John McCall if (Q.hasObjCLifetime()) 329f85e193739c953358c865005855253af4f68a497John McCall addObjCLifetime(Q.getObjCLifetime()); 3300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \brief Add the qualifiers from the given set to this set, given that 33462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// they don't conflict. 33562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall void addConsistentQualifiers(Qualifiers qs) { 33662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall assert(getAddressSpace() == qs.getAddressSpace() || 33762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall !hasAddressSpace() || !qs.hasAddressSpace()); 33862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall assert(getObjCGCAttr() == qs.getObjCGCAttr() || 33962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall !hasObjCGCAttr() || !qs.hasObjCGCAttr()); 340f85e193739c953358c865005855253af4f68a497John McCall assert(getObjCLifetime() == qs.getObjCLifetime() || 341f85e193739c953358c865005855253af4f68a497John McCall !hasObjCLifetime() || !qs.hasObjCLifetime()); 34262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Mask |= qs.Mask; 34362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall } 34462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 34562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \brief Determines if these qualifiers compatibly include another set. 34662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// Generally this answers the question of whether an object with the other 34762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// qualifiers can be safely used as an object with these qualifiers. 34862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall bool compatiblyIncludes(Qualifiers other) const { 349377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor return 350377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor // Address spaces must match exactly. 351377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor getAddressSpace() == other.getAddressSpace() && 352377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor // ObjC GC qualifiers can match, be added, or be removed, but can't be 353377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor // changed. 354377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor (getObjCGCAttr() == other.getObjCGCAttr() || 355377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor !hasObjCGCAttr() || !other.hasObjCGCAttr()) && 356f85e193739c953358c865005855253af4f68a497John McCall // ObjC lifetime qualifiers must match exactly. 357f85e193739c953358c865005855253af4f68a497John McCall getObjCLifetime() == other.getObjCLifetime() && 358377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor // CVR qualifiers may subset. 359377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor (((Mask & CVRMask) | (other.Mask & CVRMask)) == (Mask & CVRMask)); 36062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall } 36162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 362f85e193739c953358c865005855253af4f68a497John McCall /// \brief Determines if these qualifiers compatibly include another set of 363f85e193739c953358c865005855253af4f68a497John McCall /// qualifiers from the narrow perspective of Objective-C ARC lifetime. 364f85e193739c953358c865005855253af4f68a497John McCall /// 365f85e193739c953358c865005855253af4f68a497John McCall /// One set of Objective-C lifetime qualifiers compatibly includes the other 366f85e193739c953358c865005855253af4f68a497John McCall /// if the lifetime qualifiers match, or if both are non-__weak and the 367f85e193739c953358c865005855253af4f68a497John McCall /// including set also contains the 'const' qualifier. 368f85e193739c953358c865005855253af4f68a497John McCall bool compatiblyIncludesObjCLifetime(Qualifiers other) const { 369f85e193739c953358c865005855253af4f68a497John McCall if (getObjCLifetime() == other.getObjCLifetime()) 370f85e193739c953358c865005855253af4f68a497John McCall return true; 371f85e193739c953358c865005855253af4f68a497John McCall 372f85e193739c953358c865005855253af4f68a497John McCall if (getObjCLifetime() == OCL_Weak || other.getObjCLifetime() == OCL_Weak) 373f85e193739c953358c865005855253af4f68a497John McCall return false; 374f85e193739c953358c865005855253af4f68a497John McCall 375f85e193739c953358c865005855253af4f68a497John McCall return hasConst(); 376f85e193739c953358c865005855253af4f68a497John McCall } 377f85e193739c953358c865005855253af4f68a497John McCall 378f85e193739c953358c865005855253af4f68a497John McCall bool isSupersetOf(Qualifiers Other) const; 379f85e193739c953358c865005855253af4f68a497John McCall 380769d0cc72b1831785596d0e76f327bdb887823beDouglas Gregor /// \brief Determine whether this set of qualifiers is a strict superset of 381769d0cc72b1831785596d0e76f327bdb887823beDouglas Gregor /// another set of qualifiers, not considering qualifier compatibility. 382769d0cc72b1831785596d0e76f327bdb887823beDouglas Gregor bool isStrictSupersetOf(Qualifiers Other) const; 383769d0cc72b1831785596d0e76f327bdb887823beDouglas Gregor 3840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator==(Qualifiers Other) const { return Mask == Other.Mask; } 3850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator!=(Qualifiers Other) const { return Mask != Other.Mask; } 3860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall operator bool() const { return hasQualifiers(); } 3880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers &operator+=(Qualifiers R) { 3900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addQualifiers(R); 3910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return *this; 3920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Union two qualifier sets. If an enumerated qualifier appears 3950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // in both sets, use the one from the right. 3960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend Qualifiers operator+(Qualifiers L, Qualifiers R) { 3970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall L += R; 3980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return L; 3990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4003cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor 4013cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor Qualifiers &operator-=(Qualifiers R) { 4023cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor Mask = Mask & ~(R.Mask); 4033cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor return *this; 4043cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor } 4050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4063cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor /// \brief Compute the difference between two qualifier sets. 4073cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor friend Qualifiers operator-(Qualifiers L, Qualifiers R) { 4083cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor L -= R; 4093cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor return L; 4103cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor } 4113cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor 4120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string getAsString() const; 4130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string getAsString(const PrintingPolicy &Policy) const { 4140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string Buffer; 4150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getAsStringInternal(Buffer, Policy); 4160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Buffer; 4170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void getAsStringInternal(std::string &S, const PrintingPolicy &Policy) const; 4190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) const { 4210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ID.AddInteger(Mask); 4220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4240953e767ff7817f97b3ab20896b229891eeff45bJohn McCallprivate: 4250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 426f85e193739c953358c865005855253af4f68a497John McCall // bits: |0 1 2|3 .. 4|5 .. 7|8 ... 31| 427f85e193739c953358c865005855253af4f68a497John McCall // |C R V|GCAttr|Lifetime|AddressSpace| 4280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall uint32_t Mask; 4290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrMask = 0x18; 4310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrShift = 3; 432f85e193739c953358c865005855253af4f68a497John McCall static const uint32_t LifetimeMask = 0xE0; 433f85e193739c953358c865005855253af4f68a497John McCall static const uint32_t LifetimeShift = 5; 434f85e193739c953358c865005855253af4f68a497John McCall static const uint32_t AddressSpaceMask = ~(CVRMask|GCAttrMask|LifetimeMask); 435f85e193739c953358c865005855253af4f68a497John McCall static const uint32_t AddressSpaceShift = 8; 4360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 4370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 438ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor/// CallingConv - Specifies the calling convention that a function uses. 439ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregorenum CallingConv { 440ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_Default, 441ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_C, // __attribute__((cdecl)) 442ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_X86StdCall, // __attribute__((stdcall)) 443f813a2c03fcb05381b3252010435f557eb6b3cdeDouglas Gregor CC_X86FastCall, // __attribute__((fastcall)) 44452fc314e1b5e1baee6305067cf831763d02bd243Dawn Perchik CC_X86ThisCall, // __attribute__((thiscall)) 445414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov CC_X86Pascal, // __attribute__((pascal)) 446414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov CC_AAPCS, // __attribute__((pcs("aapcs"))) 447414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov CC_AAPCS_VFP // __attribute__((pcs("aapcs-vfp"))) 448ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor}; 449ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 45049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCalltypedef std::pair<const Type*, Qualifiers> SplitQualType; 4510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// QualType - For efficiency, we don't store CV-qualified types as nodes on 4530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// their own: instead each reference to a type stores the qualifiers. This 4540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// greatly reduces the number of nodes we need to allocate for types (for 4550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// example we only need one for 'int', 'const int', 'volatile int', 4560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 'const volatile int', etc). 4570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 4580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// As an added efficiency bonus, instead of making this a pair, we 4590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// just store the two bits we care about in the low bits of the 4600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// pointer. To handle the packing/unpacking, we make QualType be a 4610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// simple wrapper class that acts like a smart pointer. A third bit 4620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// indicates whether there are extended qualifiers present, in which 4630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// case the pointer points to a special structure. 4640953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualType { 4650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Thankfully, these are efficiently composable. 4660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::PointerIntPair<llvm::PointerUnion<const Type*,const ExtQuals*>, 4670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::FastWidth> Value; 4680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *getExtQualsUnsafe() const { 4700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const ExtQuals*>(); 4710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *getTypePtrUnsafe() const { 4740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const Type*>(); 4750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ExtQualsTypeCommonBase *getCommonPtr() const { 4783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!isNull() && "Cannot retrieve a NULL type pointer"); 4793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall uintptr_t CommonPtrVal 4803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = reinterpret_cast<uintptr_t>(Value.getOpaqueValue()); 4813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall CommonPtrVal &= ~(uintptr_t)((1 << TypeAlignmentInBits) - 1); 4823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return reinterpret_cast<ExtQualsTypeCommonBase*>(CommonPtrVal); 4833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 4843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 4850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend class QualifierCollector; 4860953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 4875cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType() {} 4881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4895cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType(const Type *Ptr, unsigned Quals) 4900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 4910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType(const ExtQuals *Ptr, unsigned Quals) 4920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 4930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 494a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalFastQualifiers() const { return Value.getInt(); } 495a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor void setLocalFastQualifiers(unsigned Quals) { Value.setInt(Quals); } 4965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Retrieves a pointer to the underlying (unqualified) type. 4980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// This should really return a const Type, but it's not worth 4990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// changing all the users right now. 5001ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// 5011ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// This function requires that the type not be NULL. If the type might be 5021ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// NULL, use the (slightly less efficient) \c getTypePtrOrNull(). 5033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *getTypePtr() const; 5041ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor 5053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *getTypePtrOrNull() const; 5061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5074d9d157afb35742bc6348defbe45bc6de780ec77Kaelyn Uhrain /// Retrieves a pointer to the name of the base type. 5084d9d157afb35742bc6348defbe45bc6de780ec77Kaelyn Uhrain const IdentifierInfo *getBaseTypeIdentifier() const; 5094d9d157afb35742bc6348defbe45bc6de780ec77Kaelyn Uhrain 51049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall /// Divides a QualType into its unqualified type and a set of local 51149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall /// qualifiers. 5123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split() const; 51349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall 5145cf243a883872441d73ca49cea7e20de5802629bChris Lattner void *getAsOpaquePtr() const { return Value.getOpaqueValue(); } 515f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall static QualType getFromOpaquePtr(const void *Ptr) { 5165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType T; 517f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall T.Value.setFromOpaqueValue(const_cast<void*>(Ptr)); 5185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T; 5195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 521f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type &operator*() const { 5225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return *getTypePtr(); 5235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 525f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *operator->() const { 5265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getTypePtr(); 5275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 529467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonical() const; 53054e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isCanonicalAsParam() const; 531467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 5325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isNull - Return true if this QualType doesn't point to a type yet. 5335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isNull() const { 5340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().isNull(); 5355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 537a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 538a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "const" qualifier set, without looking through typedefs that may have 539a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "const" at a different level. 540a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalConstQualified() const { 541a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Const); 5420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 543a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 544a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is const-qualified. 545fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isConstQualified() const; 546a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 547a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 548a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "restrict" qualifier set, without looking through typedefs that may have 549a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "restrict" at a different level. 550a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalRestrictQualified() const { 551a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Restrict); 552a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor } 553a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 554a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is restrict-qualified. 555fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isRestrictQualified() const; 556a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 557a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 558a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "volatile" qualifier set, without looking through typedefs that may have 559a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "volatile" at a different level. 560a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalVolatileQualified() const { 561f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor return (getLocalFastQualifiers() & Qualifiers::Volatile); 5625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 564a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is volatile-qualified. 565fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isVolatileQualified() const; 566a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 567a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 568a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers, without looking through any typedefs that might add 569a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers at a different level. 570a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalQualifiers() const { 571a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return getLocalFastQualifiers() || hasLocalNonFastQualifiers(); 5720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 574a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type has any qualifiers. 575fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool hasQualifiers() const; 576a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 577a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 578a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "non-fast" qualifiers, e.g., those that are stored in an ExtQualType 579a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance. 580a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalNonFastQualifiers() const { 581a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return Value.getPointer().is<const ExtQuals*>(); 5820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 584a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers local to this particular QualType 585a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance, not including any qualifiers acquired through typedefs or 586a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// other sugar. 5873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers getLocalQualifiers() const; 5880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 589a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers applied to this type. 590fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Qualifiers getQualifiers() const; 591a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 592a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 593a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// local to this particular QualType instance, not including any qualifiers 594a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// acquired through typedefs or other sugar. 595a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalCVRQualifiers() const { 596f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor return getLocalFastQualifiers(); 5975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 598b381aac9bae6d608c72267dd0ed08ec6369e94e4Nuno Lopes 599a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 600a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// applied to this type. 601fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor unsigned getCVRQualifiers() const; 602e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 603bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isConstant(ASTContext& Ctx) const { 604bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return QualType::isConstant(*this, Ctx); 605bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 6061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 607f85e193739c953358c865005855253af4f68a497John McCall /// \brief Determine whether this is a Plain Old Data (POD) type (C++ 3.9p10). 608f85e193739c953358c865005855253af4f68a497John McCall bool isPODType(ASTContext &Context) const; 609f85e193739c953358c865005855253af4f68a497John McCall 610f85e193739c953358c865005855253af4f68a497John McCall /// isCXX11PODType() - Return true if this is a POD type according to the 611f85e193739c953358c865005855253af4f68a497John McCall /// more relaxed rules of the C++11 standard, regardless of the current 612f85e193739c953358c865005855253af4f68a497John McCall /// compilation's language. 613f85e193739c953358c865005855253af4f68a497John McCall /// (C++0x [basic.types]p9) 614f85e193739c953358c865005855253af4f68a497John McCall bool isCXX11PODType(ASTContext &Context) const; 615f85e193739c953358c865005855253af4f68a497John McCall 616f85e193739c953358c865005855253af4f68a497John McCall /// isTrivialType - Return true if this is a trivial type 617f85e193739c953358c865005855253af4f68a497John McCall /// (C++0x [basic.types]p9) 618f85e193739c953358c865005855253af4f68a497John McCall bool isTrivialType(ASTContext &Context) const; 619f85e193739c953358c865005855253af4f68a497John McCall 620f85e193739c953358c865005855253af4f68a497John McCall /// isTriviallyCopyableType - Return true if this is a trivially 621f85e193739c953358c865005855253af4f68a497John McCall /// copyable type (C++0x [basic.types]p9) 622f85e193739c953358c865005855253af4f68a497John McCall bool isTriviallyCopyableType(ASTContext &Context) const; 623f85e193739c953358c865005855253af4f68a497John McCall 6240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Don't promise in the API that anything besides 'const' can be 6250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // easily added. 6260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 6270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// addConst - add the specified type qualifier to this QualType. 6280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { 6290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addFastQualifiers(Qualifiers::Const); 6300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withConst() const { 6320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return withFastQualifiers(Qualifiers::Const); 6330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 635308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt /// addVolatile - add the specified type qualifier to this QualType. 636308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt void addVolatile() { 637308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt addFastQualifiers(Qualifiers::Volatile); 638308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt } 639308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt QualType withVolatile() const { 640308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt return withFastQualifiers(Qualifiers::Volatile); 641308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt } 642308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt 643a07398ed98ea2b55ad7a505a3aab18aed93b149fJohn McCall QualType withCVRQualifiers(unsigned CVR) const { 644a07398ed98ea2b55ad7a505a3aab18aed93b149fJohn McCall return withFastQualifiers(CVR); 645a07398ed98ea2b55ad7a505a3aab18aed93b149fJohn McCall } 646a07398ed98ea2b55ad7a505a3aab18aed93b149fJohn McCall 6470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned TQs) { 6480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(TQs & ~Qualifiers::FastMask) 6490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "non-fast qualifier bits set in mask!"); 6500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() | TQs); 6510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 65349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalConst(); 65449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalVolatile(); 65549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalRestrict(); 65649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalCVRQualifiers(unsigned Mask); 6570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 65849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalFastQualifiers() { Value.setInt(0); } 65949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalFastQualifiers(unsigned Mask) { 6600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(Mask & ~Qualifiers::FastMask) && "mask has non-fast qualifiers"); 6610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() & ~Mask); 6620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with the given qualifiers in addition to any 6650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualifiers already on this type. 6660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withFastQualifiers(unsigned TQs) const { 6670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 6680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall T.addFastQualifiers(TQs); 6690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 6700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6711c6a38bcea17801e9a4738753aee845381af2b6cSanjiv Gupta 6720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with exactly the given fast qualifiers, removing 6730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // any existing fast qualifiers. 67449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType withExactLocalFastQualifiers(unsigned TQs) const { 67549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return withoutLocalFastQualifiers().withFastQualifiers(TQs); 6765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 6780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Removes fast qualifiers, but leaves any extended qualifiers in place. 67949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType withoutLocalFastQualifiers() const { 6800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 68149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall T.removeLocalFastQualifiers(); 6820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 683c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 684971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis 6853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType getCanonicalType() const; 6863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 687a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Return this type with all of the instance-specific qualifiers 688a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// removed, but without removing any qualifiers that may have been applied 689a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// through typedefs. 690a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor QualType getLocalUnqualifiedType() const { return QualType(getTypePtr(), 0); } 6911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 69262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \brief Retrieve the unqualified variant of the given type, 69362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// removing as little sugar as possible. 69462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 69562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// This routine looks through various kinds of sugar to find the 69662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// least-desugared type that is unqualified. For example, given: 69762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 69862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \code 69962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// typedef int Integer; 70062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// typedef const Integer CInteger; 70162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// typedef CInteger DifferenceType; 70262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \endcode 70362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 70462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// Executing \c getUnqualifiedType() on the type \c DifferenceType will 70562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// desugar until we hit the type \c Integer, which has no qualifiers on it. 70662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 70762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// The resulting type might still be qualified if it's an array 70862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// type. To strip qualifiers even from within an array type, use 70962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// ASTContext::getUnqualifiedArrayType. 71062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall inline QualType getUnqualifiedType() const; 71162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 71262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// getSplitUnqualifiedType - Retrieve the unqualified variant of the 71362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// given type, removing as little sugar as possible. 71462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 71562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// Like getUnqualifiedType(), but also returns the set of 71662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// qualifiers that were built up. 71762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 71862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// The resulting type might still be qualified if it's an array 71962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// type. To strip qualifiers even from within an array type, use 72062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// ASTContext::getUnqualifiedArrayType. 72162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall inline SplitQualType getSplitUnqualifiedType() const; 722a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 72361d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor /// \brief Determine whether this type is more qualified than the other 72461d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor /// given type, requiring exact equality for non-CVR qualifiers. 725e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isMoreQualifiedThan(QualType Other) const; 72661d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor 72761d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor /// \brief Determine whether this type is at least as qualified as the other 72861d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor /// given type, requiring exact equality for non-CVR qualifiers. 729e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isAtLeastAsQualifiedAs(QualType Other) const; 73061d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor 731e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor QualType getNonReferenceType() const; 7321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7336398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// \brief Determine the type of a (typically non-lvalue) expression with the 7346398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// specified result type. 7355291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// 7366398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// This routine should be used for expressions for which the return type is 7376398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// explicitly specified (e.g., in a cast or call) and isn't necessarily 7386398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// an lvalue. It removes a top-level reference (since there are no 7395291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// expressions of reference type) and deletes top-level cvr-qualifiers 7405291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// from non-class types (in C++) or all types (in C). 7416398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor QualType getNonLValueExprType(ASTContext &Context) const; 7425291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 7432fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// getDesugaredType - Return the specified type with any "sugar" removed from 7442fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type. This takes off typedefs, typeof's etc. If the outer level of 7452fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type is already concrete, it returns it unmodified. This is similar 7462fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// to getting the canonical type, but it doesn't remove *all* typedefs. For 7472fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// example, it returns "T*" as "T*", (not as "int*"), because the pointer is 7482fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// concrete. 7490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 7500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Qualifiers are left in place. 7514ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType getDesugaredType(const ASTContext &Context) const { 75249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getDesugaredType(*this, Context); 75349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 75449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall 75549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall SplitQualType getSplitDesugaredType() const { 75649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getSplitDesugaredType(*this); 757bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 75898cd599ee8a9b259ed7388ee2921a20d97658864Douglas Gregor 759f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor /// \brief Return the specified type with one level of "sugar" removed from 760f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor /// the type. 761f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor /// 762f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor /// This routine takes off the first typedef, typeof, etc. If the outer level 763f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor /// of the type is already concrete, it returns it unmodified. 764f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor QualType getSingleStepDesugaredType(const ASTContext &Context) const; 765f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor 766075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara /// IgnoreParens - Returns the specified type after dropping any 767075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara /// outer-level parentheses. 768075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType IgnoreParens() const { 769723df245307a530da5433dfb43accf187dc3e243Abramo Bagnara if (isa<ParenType>(*this)) 770723df245307a530da5433dfb43accf187dc3e243Abramo Bagnara return QualType::IgnoreParens(*this); 771723df245307a530da5433dfb43accf187dc3e243Abramo Bagnara return *this; 772075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 773075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 7745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// operator==/!= - Indicate whether the specified types and qualifiers are 7755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// identical. 77650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator==(const QualType &LHS, const QualType &RHS) { 77750d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value == RHS.Value; 7785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 77950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator!=(const QualType &LHS, const QualType &RHS) { 78050d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value != RHS.Value; 7815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 78249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall std::string getAsString() const { 78349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsString(split()); 78449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 78549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static std::string getAsString(SplitQualType split) { 78649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsString(split.first, split.second); 78749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 78849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static std::string getAsString(const Type *ty, Qualifiers qs); 789d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor 790d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor std::string getAsString(const PrintingPolicy &Policy) const { 7915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::string S; 792d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor getAsStringInternal(S, Policy); 7935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return S; 7945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 795e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner void getAsStringInternal(std::string &Str, 79649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &Policy) const { 79749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsStringInternal(split(), Str, Policy); 79849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 79949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static void getAsStringInternal(SplitQualType split, std::string &out, 80049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &policy) { 80149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsStringInternal(split.first, split.second, out, policy); 80249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 80349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static void getAsStringInternal(const Type *ty, Qualifiers qs, 80449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall std::string &out, 80549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &policy); 8061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 807c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump(const char *s) const; 808c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 8091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8103f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) const { 8113f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek ID.AddPointer(getAsOpaquePtr()); 8123f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek } 8135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 814ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// getAddressSpace - Return the address space of this type. 815ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb inline unsigned getAddressSpace() const; 8161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 817f85e193739c953358c865005855253af4f68a497John McCall /// getObjCGCAttr - Returns gc attribute of this type. 8180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall inline Qualifiers::GC getObjCGCAttr() const; 819f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 820f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCWeak true when Type is objc's weak. 821f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCWeak() const { 8220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Weak; 823f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 824f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 825f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCStrong true when Type is objc's strong. 826f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCStrong() const { 8270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Strong; 828f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 8292455636163fdd18581d7fdae816433f886d88213Mike Stump 830f85e193739c953358c865005855253af4f68a497John McCall /// getObjCLifetime - Returns lifetime attribute of this type. 831f85e193739c953358c865005855253af4f68a497John McCall Qualifiers::ObjCLifetime getObjCLifetime() const { 832f85e193739c953358c865005855253af4f68a497John McCall return getQualifiers().getObjCLifetime(); 833f85e193739c953358c865005855253af4f68a497John McCall } 834f85e193739c953358c865005855253af4f68a497John McCall 835f85e193739c953358c865005855253af4f68a497John McCall bool hasNonTrivialObjCLifetime() const { 836f85e193739c953358c865005855253af4f68a497John McCall return getQualifiers().hasNonTrivialObjCLifetime(); 837f85e193739c953358c865005855253af4f68a497John McCall } 838f85e193739c953358c865005855253af4f68a497John McCall 839f85e193739c953358c865005855253af4f68a497John McCall bool hasStrongOrWeakObjCLifetime() const { 840f85e193739c953358c865005855253af4f68a497John McCall return getQualifiers().hasStrongOrWeakObjCLifetime(); 841f85e193739c953358c865005855253af4f68a497John McCall } 842f85e193739c953358c865005855253af4f68a497John McCall 8430d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall enum DestructionKind { 8440d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall DK_none, 845f85e193739c953358c865005855253af4f68a497John McCall DK_cxx_destructor, 846f85e193739c953358c865005855253af4f68a497John McCall DK_objc_strong_lifetime, 847f85e193739c953358c865005855253af4f68a497John McCall DK_objc_weak_lifetime 8480d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall }; 8490d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall 8500d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall /// isDestructedType - nonzero if objects of this type require 8510d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall /// non-trivial work to clean up after. Non-zero because it's 8520d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall /// conceivable that qualifiers (objc_gc(weak)?) could make 8530d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall /// something require destruction. 8540d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall DestructionKind isDestructedType() const { 8550d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall return isDestructedTypeImpl(*this); 8560d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall } 8570d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall 8582b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// \brief Determine whether expressions of the given type are forbidden 8592b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// from being lvalues in C. 8602b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// 8612b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// The expression types that are forbidden to be lvalues are: 8622b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// - 'void', but not qualified void 8632b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// - function types 8642b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// 8652b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// The exact rule here is C99 6.3.2.1: 8662b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// An lvalue is an expression with an object type or an incomplete 8672b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// type other than void. 8682b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor bool isCForbiddenLValueType() const; 8692b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor 87085ea7aa961deac1d754f610af8062ae3f8b4e2a5Sebastian Redl /// \brief Determine whether this type has trivial copy/move-assignment 87185ea7aa961deac1d754f610af8062ae3f8b4e2a5Sebastian Redl /// semantics. 87285ea7aa961deac1d754f610af8062ae3f8b4e2a5Sebastian Redl bool hasTrivialAssignment(ASTContext &Context, bool Copying) const; 873f85e193739c953358c865005855253af4f68a497John McCall 874bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCallprivate: 875bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // These methods are implemented in a separate translation unit; 876bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // "static"-ize them to avoid creating temporary QualTypes in the 877bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // caller. 878bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall static bool isConstant(QualType T, ASTContext& Ctx); 8794ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static QualType getDesugaredType(QualType T, const ASTContext &Context); 88049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static SplitQualType getSplitDesugaredType(QualType T); 88162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall static SplitQualType getSplitUnqualifiedTypeImpl(QualType type); 882075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static QualType IgnoreParens(QualType T); 8830d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall static DestructionKind isDestructedTypeImpl(QualType type); 8845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end clang. 8875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace llvm { 8895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Implement simplify_type for QualType, so that we can dyn_cast from QualType 8905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// to a specific Type class. 8915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type<const ::clang::QualType> { 892f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall typedef const ::clang::Type *SimpleType; 8935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static SimpleType getSimplifiedValue(const ::clang::QualType &Val) { 8944472fc641ea3069463798fb56a04043c28ea2910Douglas Gregor return Val.getTypePtr(); 8955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type< ::clang::QualType> 8985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : public simplify_type<const ::clang::QualType> {}; 8991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9004e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner// Teach SmallPtrSet that QualType is "basically a pointer". 9014e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnertemplate<> 902daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattnerclass PointerLikeTypeTraits<clang::QualType> { 9034e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnerpublic: 9044e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline void *getAsVoidPointer(clang::QualType P) { 9054e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return P.getAsOpaquePtr(); 9064e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 9074e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline clang::QualType getFromVoidPointer(void *P) { 9084e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return clang::QualType::getFromOpaquePtr(P); 9094e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 9100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Various qualifiers go in low bits. 9110eda3b31a672ea486fa92b9bc49a2c91be856b53Chris Lattner enum { NumLowBitsAvailable = 0 }; 9124e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner}; 9131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 91473af669633e13c813f80cd15ecf3e6414778aee4Ted Kremenek} // end namespace llvm 9155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 9175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// \brief Base class that is common to both the \c ExtQuals and \c Type 9193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// classes, which allows \c QualType to access the common fields between the 9203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// two. 9213b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// 9223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallclass ExtQualsTypeCommonBase { 9233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQualsTypeCommonBase(const Type *baseType, QualType canon) 9243b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall : BaseType(baseType), CanonicalType(canon) {} 9253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// \brief The "base" type of an extended qualifiers type (\c ExtQuals) or 9273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// a self-referential pointer (for \c Type). 9283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// 9293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// This pointer allows an efficient mapping from a QualType to its 9303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// underlying type pointer. 9313b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *const BaseType; 9323b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9333b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// \brief The canonical type of this type. A QualType. 9343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType CanonicalType; 9353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall friend class QualType; 9373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall friend class Type; 9383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall friend class ExtQuals; 9393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall}; 9403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// ExtQuals - We can encode up to four bits in the low bits of a 9423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// type pointer, but there are many more type qualifiers that we want 9433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// to be able to apply to an arbitrary type. Therefore we have this 9443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// struct, intended to be heap-allocated and used by QualType to 9453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// store qualifiers. 9463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// 9473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// The current design tags the 'const', 'restrict', and 'volatile' qualifiers 9483b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// in three low bits on the QualType pointer; a fourth bit records whether 9493b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// the pointer is an ExtQuals node. The extended qualifiers (address spaces, 9503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// Objective-C GC attributes) are much more rare. 9513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallclass ExtQuals : public ExtQualsTypeCommonBase, public llvm::FoldingSetNode { 9523b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // NOTE: changing the fast qualifiers should be straightforward as 9533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // long as you don't make 'const' non-fast. 9543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // 1. Qualifiers: 9553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // a) Modify the bitmasks (Qualifiers::TQ and DeclSpec::TQ). 9563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Fast qualifiers must occupy the low-order bits. 9573b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // b) Update Qualifiers::FastWidth and FastMask. 9583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // 2. QualType: 9593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // a) Update is{Volatile,Restrict}Qualified(), defined inline. 9603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // b) Update remove{Volatile,Restrict}, defined near the end of 9613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // this header. 9623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // 3. ASTContext: 9633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // a) Update get{Volatile,Restrict}Type. 9643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// Quals - the immutable set of qualifiers applied by this 9663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// node; always contains extended qualifiers. 9673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers Quals; 9683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals *this_() { return this; } 9703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallpublic: 9723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals(const Type *baseType, QualType canon, Qualifiers quals) 9733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall : ExtQualsTypeCommonBase(baseType, 9743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon.isNull() ? QualType(this_(), 0) : canon), 9753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals(quals) 9763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall { 9773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(Quals.hasNonFastQualifiers() 9783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall && "ExtQuals created with no fast qualifiers"); 9793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!Quals.hasFastQualifiers() 9803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall && "ExtQuals created with fast qualifiers"); 9813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 9823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers getQualifiers() const { return Quals; } 9843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall bool hasObjCGCAttr() const { return Quals.hasObjCGCAttr(); } 9863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers::GC getObjCGCAttr() const { return Quals.getObjCGCAttr(); } 9873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 988f85e193739c953358c865005855253af4f68a497John McCall bool hasObjCLifetime() const { return Quals.hasObjCLifetime(); } 989f85e193739c953358c865005855253af4f68a497John McCall Qualifiers::ObjCLifetime getObjCLifetime() const { 990f85e193739c953358c865005855253af4f68a497John McCall return Quals.getObjCLifetime(); 991f85e193739c953358c865005855253af4f68a497John McCall } 992f85e193739c953358c865005855253af4f68a497John McCall 9933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall bool hasAddressSpace() const { return Quals.hasAddressSpace(); } 9943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned getAddressSpace() const { return Quals.getAddressSpace(); } 9953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *getBaseType() const { return BaseType; } 9973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallpublic: 9993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void Profile(llvm::FoldingSetNodeID &ID) const { 10003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Profile(ID, getBaseType(), Quals); 10013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 10023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall static void Profile(llvm::FoldingSetNodeID &ID, 10033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *BaseType, 10043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers Quals) { 10053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!Quals.hasFastQualifiers() && "fast qualifiers in ExtQuals hash!"); 10063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ID.AddPointer(BaseType); 10073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals.Profile(ID); 10083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 10093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall}; 10103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 1011c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor/// \brief The kind of C++0x ref-qualifier associated with a function type, 1012c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor/// which determines whether a member function's "this" object can be an 1013c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor/// lvalue, rvalue, or neither. 1014c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregorenum RefQualifierKind { 1015c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief No ref-qualifier was provided. 1016c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RQ_None = 0, 1017c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief An lvalue ref-qualifier was provided (\c &). 1018c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RQ_LValue, 1019c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief An rvalue ref-qualifier was provided (\c &&). 1020c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RQ_RValue 1021c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor}; 1022c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 10235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Type - This is the base class of the type hierarchy. A central concept 10245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// with types is that each type always has a canonical type. A canonical type 10255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is the type with any typedef names stripped out of it or the types it 10265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// references. For example, consider: 10275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef int foo; 10295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef foo* bar; 10305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int *' 'foo *' 'bar' 10315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// There will be a Type object created for 'int'. Since int is canonical, its 10335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonicaltype pointer points to itself. There is also a Type for 'foo' (a 103472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypedefType). Its CanonicalType pointer points to the 'int' Type. Next 10355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// there is a PointerType that represents 'int*', which, like 'int', is 10365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonical. Finally, there is a PointerType type for 'foo*' whose canonical 103772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// type is 'int*', and there is a TypedefType for 'bar', whose canonical type 10385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is also 'int*'. 10395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Non-canonical types are useful for emitting diagnostics, without losing 10415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// information about typedefs being used. Canonical types are useful for type 10425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// comparisons (they allow by-pointer equality tests) and useful for reasoning 10435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// about whether something has a particular form (e.g. is a function type), 10445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// because they implicitly, recursively, strip all typedefs out of a type. 10455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Types, once created, are immutable. 10475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10481ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregorclass Type : public ExtQualsTypeCommonBase { 10495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum TypeClass { 105172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) Class, 105227935ee59c30b0d8b610ab676aab8e65350af932John McCall#define LAST_TYPE(Class) TypeLast = Class, 105372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 105472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 105572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor TagFirst = Record, TagLast = Enum 10565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 10571bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 10585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 1059c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Type(const Type&); // DO NOT IMPLEMENT. 1060c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void operator=(const Type&); // DO NOT IMPLEMENT. 1061c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 1062b870b88df784c2940efce448ebfaf54dece14666John McCall /// Bitfields required by the Type class. 1063b870b88df784c2940efce448ebfaf54dece14666John McCall class TypeBitfields { 1064b870b88df784c2940efce448ebfaf54dece14666John McCall friend class Type; 1065b7b2688bab0eac053d3e2938b329c8e523fd252bJohn McCall template <class T> friend class TypePropertyCache; 106627935ee59c30b0d8b610ab676aab8e65350af932John McCall 1067b870b88df784c2940efce448ebfaf54dece14666John McCall /// TypeClass bitfield - Enum that specifies what subclass this belongs to. 1068b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned TC : 8; 1069b870b88df784c2940efce448ebfaf54dece14666John McCall 1070b870b88df784c2940efce448ebfaf54dece14666John McCall /// Dependent - Whether this type is a dependent type (C++ [temp.dep.type]). 1071b870b88df784c2940efce448ebfaf54dece14666John McCall /// Note that this should stay at the end of the ivars for Type so that 1072b870b88df784c2940efce448ebfaf54dece14666John McCall /// subclasses can pack their bitfields into the same word. 1073bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned Dependent : 1; 107460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 1075561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// \brief Whether this type somehow involves a template parameter, even 1076561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// if the resolution of the type does not depend on a template parameter. 1077561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor unsigned InstantiationDependent : 1; 1078561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor 1079b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Whether this type is a variably-modified type (C99 6.7.5). 1080bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned VariablyModified : 1; 1081d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 1082d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Whether this type contains an unexpanded parameter pack 1083d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// (for C++0x variadic templates). 1084d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned ContainsUnexpandedParameterPack : 1; 108535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 10861fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Nonzero if the cache (i.e. the bitfields here starting 10871fb0caaa7bef765b85972274e3b434af2572c141John McCall /// with 'Cache') is valid. If so, then this is a 10881fb0caaa7bef765b85972274e3b434af2572c141John McCall /// LangOptions::VisibilityMode+1. 10891fb0caaa7bef765b85972274e3b434af2572c141John McCall mutable unsigned CacheValidAndVisibility : 2; 109060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 1091b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Linkage of this type. 1092b870b88df784c2940efce448ebfaf54dece14666John McCall mutable unsigned CachedLinkage : 2; 109307a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1094b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Whether this type involves and local or unnamed types. 1095bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet mutable unsigned CachedLocalOrUnnamed : 1; 1096db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor 1097b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief FromAST - Whether this type comes from an AST file. 1098bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet mutable unsigned FromAST : 1; 1099b870b88df784c2940efce448ebfaf54dece14666John McCall 11001fb0caaa7bef765b85972274e3b434af2572c141John McCall bool isCacheValid() const { 11011fb0caaa7bef765b85972274e3b434af2572c141John McCall return (CacheValidAndVisibility != 0); 11021fb0caaa7bef765b85972274e3b434af2572c141John McCall } 11031fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility getVisibility() const { 11041fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 11051fb0caaa7bef765b85972274e3b434af2572c141John McCall return static_cast<Visibility>(CacheValidAndVisibility-1); 11061fb0caaa7bef765b85972274e3b434af2572c141John McCall } 11071fb0caaa7bef765b85972274e3b434af2572c141John McCall Linkage getLinkage() const { 11081fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 11091fb0caaa7bef765b85972274e3b434af2572c141John McCall return static_cast<Linkage>(CachedLinkage); 11101fb0caaa7bef765b85972274e3b434af2572c141John McCall } 11111fb0caaa7bef765b85972274e3b434af2572c141John McCall bool hasLocalOrUnnamedType() const { 11121fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 11131fb0caaa7bef765b85972274e3b434af2572c141John McCall return CachedLocalOrUnnamed; 11141fb0caaa7bef765b85972274e3b434af2572c141John McCall } 1115b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1116561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor enum { NumTypeBits = 18 }; 1117b870b88df784c2940efce448ebfaf54dece14666John McCall 1118b870b88df784c2940efce448ebfaf54dece14666John McCallprotected: 1119b870b88df784c2940efce448ebfaf54dece14666John McCall // These classes allow subclasses to somewhat cleanly pack bitfields 1120b870b88df784c2940efce448ebfaf54dece14666John McCall // into Type. 1121b870b88df784c2940efce448ebfaf54dece14666John McCall 1122b870b88df784c2940efce448ebfaf54dece14666John McCall class ArrayTypeBitfields { 1123b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ArrayType; 1124b870b88df784c2940efce448ebfaf54dece14666John McCall 1125b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1126b870b88df784c2940efce448ebfaf54dece14666John McCall 1127b870b88df784c2940efce448ebfaf54dece14666John McCall /// IndexTypeQuals - CVR qualifiers from declarations like 1128b870b88df784c2940efce448ebfaf54dece14666John McCall /// 'int X[static restrict 4]'. For function parameters only. 1129b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned IndexTypeQuals : 3; 1130b870b88df784c2940efce448ebfaf54dece14666John McCall 1131b870b88df784c2940efce448ebfaf54dece14666John McCall /// SizeModifier - storage class qualifiers from declarations like 1132b870b88df784c2940efce448ebfaf54dece14666John McCall /// 'int X[static restrict 4]'. For function parameters only. 1133b870b88df784c2940efce448ebfaf54dece14666John McCall /// Actually an ArrayType::ArraySizeModifier. 1134b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned SizeModifier : 3; 1135b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1136b870b88df784c2940efce448ebfaf54dece14666John McCall 1137b870b88df784c2940efce448ebfaf54dece14666John McCall class BuiltinTypeBitfields { 1138b870b88df784c2940efce448ebfaf54dece14666John McCall friend class BuiltinType; 1139b870b88df784c2940efce448ebfaf54dece14666John McCall 1140b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1141b870b88df784c2940efce448ebfaf54dece14666John McCall 1142b870b88df784c2940efce448ebfaf54dece14666John McCall /// The kind (BuiltinType::Kind) of builtin type this is. 1143b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned Kind : 8; 1144b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1145b870b88df784c2940efce448ebfaf54dece14666John McCall 1146b870b88df784c2940efce448ebfaf54dece14666John McCall class FunctionTypeBitfields { 1147b870b88df784c2940efce448ebfaf54dece14666John McCall friend class FunctionType; 1148b870b88df784c2940efce448ebfaf54dece14666John McCall 1149b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1150b870b88df784c2940efce448ebfaf54dece14666John McCall 1151b870b88df784c2940efce448ebfaf54dece14666John McCall /// Extra information which affects how the function is called, like 1152b870b88df784c2940efce448ebfaf54dece14666John McCall /// regparm and the calling convention. 11537e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor unsigned ExtInfo : 8; 1154b870b88df784c2940efce448ebfaf54dece14666John McCall 1155e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall /// Whether the function is variadic. Only used by FunctionProtoType. 1156e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall unsigned Variadic : 1; 1157b870b88df784c2940efce448ebfaf54dece14666John McCall 1158b870b88df784c2940efce448ebfaf54dece14666John McCall /// TypeQuals - Used only by FunctionProtoType, put here to pack with the 1159b870b88df784c2940efce448ebfaf54dece14666John McCall /// other bitfields. 1160b870b88df784c2940efce448ebfaf54dece14666John McCall /// The qualifiers are part of FunctionProtoType because... 1161b870b88df784c2940efce448ebfaf54dece14666John McCall /// 1162b870b88df784c2940efce448ebfaf54dece14666John McCall /// C++ 8.3.5p4: The return type, the parameter type list and the 1163b870b88df784c2940efce448ebfaf54dece14666John McCall /// cv-qualifier-seq, [...], are part of the function type. 1164b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned TypeQuals : 3; 1165c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 1166c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief The ref-qualifier associated with a \c FunctionProtoType. 1167c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// 1168c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// This is a value of type \c RefQualifierKind. 1169c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor unsigned RefQualifier : 2; 1170b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1171b870b88df784c2940efce448ebfaf54dece14666John McCall 1172b870b88df784c2940efce448ebfaf54dece14666John McCall class ObjCObjectTypeBitfields { 1173b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ObjCObjectType; 1174b870b88df784c2940efce448ebfaf54dece14666John McCall 1175b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1176b870b88df784c2940efce448ebfaf54dece14666John McCall 1177b870b88df784c2940efce448ebfaf54dece14666John McCall /// NumProtocols - The number of protocols stored directly on this 1178b870b88df784c2940efce448ebfaf54dece14666John McCall /// object type. 1179b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned NumProtocols : 32 - NumTypeBits; 1180b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1181b870b88df784c2940efce448ebfaf54dece14666John McCall 1182b870b88df784c2940efce448ebfaf54dece14666John McCall class ReferenceTypeBitfields { 1183b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ReferenceType; 1184b870b88df784c2940efce448ebfaf54dece14666John McCall 1185b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1186b870b88df784c2940efce448ebfaf54dece14666John McCall 1187b870b88df784c2940efce448ebfaf54dece14666John McCall /// True if the type was originally spelled with an lvalue sigil. 1188b870b88df784c2940efce448ebfaf54dece14666John McCall /// This is never true of rvalue references but can also be false 1189b870b88df784c2940efce448ebfaf54dece14666John McCall /// on lvalue references because of C++0x [dcl.typedef]p9, 1190b870b88df784c2940efce448ebfaf54dece14666John McCall /// as follows: 1191b870b88df784c2940efce448ebfaf54dece14666John McCall /// 1192b870b88df784c2940efce448ebfaf54dece14666John McCall /// typedef int &ref; // lvalue, spelled lvalue 1193b870b88df784c2940efce448ebfaf54dece14666John McCall /// typedef int &&rvref; // rvalue 1194b870b88df784c2940efce448ebfaf54dece14666John McCall /// ref &a; // lvalue, inner ref, spelled lvalue 1195b870b88df784c2940efce448ebfaf54dece14666John McCall /// ref &&a; // lvalue, inner ref 1196b870b88df784c2940efce448ebfaf54dece14666John McCall /// rvref &a; // lvalue, inner ref, spelled lvalue 1197b870b88df784c2940efce448ebfaf54dece14666John McCall /// rvref &&a; // rvalue, inner ref 1198bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned SpelledAsLValue : 1; 1199b870b88df784c2940efce448ebfaf54dece14666John McCall 1200b870b88df784c2940efce448ebfaf54dece14666John McCall /// True if the inner type is a reference type. This only happens 1201b870b88df784c2940efce448ebfaf54dece14666John McCall /// in non-canonical forms. 1202bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned InnerRef : 1; 1203b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1204b870b88df784c2940efce448ebfaf54dece14666John McCall 120577be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall class TypeWithKeywordBitfields { 120677be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall friend class TypeWithKeyword; 120777be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 120877be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned : NumTypeBits; 120977be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 121077be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall /// An ElaboratedTypeKeyword. 8 bits for efficient access. 121177be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned Keyword : 8; 121277be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall }; 121377be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 1214b870b88df784c2940efce448ebfaf54dece14666John McCall class VectorTypeBitfields { 1215b870b88df784c2940efce448ebfaf54dece14666John McCall friend class VectorType; 121607a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1217b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 121871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 1219e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson /// VecKind - The kind of vector, either a generic vector type or some 1220e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson /// target-specific vector type such as for AltiVec or Neon. 1221cc3b946c35c4372272034e6f0663089477a9a5bdBob Wilson unsigned VecKind : 3; 1222b870b88df784c2940efce448ebfaf54dece14666John McCall 1223b870b88df784c2940efce448ebfaf54dece14666John McCall /// NumElements - The number of elements in the vector. 1224cc3b946c35c4372272034e6f0663089477a9a5bdBob Wilson unsigned NumElements : 29 - NumTypeBits; 1225b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1226b870b88df784c2940efce448ebfaf54dece14666John McCall 12279d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall class AttributedTypeBitfields { 12289d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall friend class AttributedType; 12299d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 12309d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall unsigned : NumTypeBits; 12319d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 12329d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall /// AttrKind - an AttributedType::Kind 12339d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall unsigned AttrKind : 32 - NumTypeBits; 12349d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall }; 12359d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 1236b870b88df784c2940efce448ebfaf54dece14666John McCall union { 1237b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBitfields TypeBits; 1238b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBitfields ArrayTypeBits; 12399d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedTypeBitfields AttributedTypeBits; 1240b870b88df784c2940efce448ebfaf54dece14666John McCall BuiltinTypeBitfields BuiltinTypeBits; 1241b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBitfields FunctionTypeBits; 1242b870b88df784c2940efce448ebfaf54dece14666John McCall ObjCObjectTypeBitfields ObjCObjectTypeBits; 1243b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBitfields ReferenceTypeBits; 124477be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall TypeWithKeywordBitfields TypeWithKeywordBits; 1245b870b88df784c2940efce448ebfaf54dece14666John McCall VectorTypeBitfields VectorTypeBits; 1246b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1247b870b88df784c2940efce448ebfaf54dece14666John McCall 1248b870b88df784c2940efce448ebfaf54dece14666John McCallprivate: 12493c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Set whether this type comes from an AST file. 12503c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl void setFromAST(bool V = true) const { 1251b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.FromAST = V; 125207a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl } 125307a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1254b7b2688bab0eac053d3e2938b329c8e523fd252bJohn McCall template <class T> friend class TypePropertyCache; 12551fb0caaa7bef765b85972274e3b434af2572c141John McCall 12565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 1257124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser // silence VC++ warning C4355: 'this' : used in base member initializer list 1258124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser Type *this_() { return this; } 1259561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Type(TypeClass tc, QualType canon, bool Dependent, 1260561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool InstantiationDependent, bool VariablyModified, 1261d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool ContainsUnexpandedParameterPack) 12623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall : ExtQualsTypeCommonBase(this, 12633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon.isNull() ? QualType(this_(), 0) : canon) { 1264b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.TC = tc; 1265b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.Dependent = Dependent; 1266561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor TypeBits.InstantiationDependent = Dependent || InstantiationDependent; 1267b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.VariablyModified = VariablyModified; 1268d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor TypeBits.ContainsUnexpandedParameterPack = ContainsUnexpandedParameterPack; 12691fb0caaa7bef765b85972274e3b434af2572c141John McCall TypeBits.CacheValidAndVisibility = 0; 1270b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.CachedLocalOrUnnamed = false; 1271b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.CachedLinkage = NoLinkage; 1272b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.FromAST = false; 1273b870b88df784c2940efce448ebfaf54dece14666John McCall } 12745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; 12751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1276561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor void setDependent(bool D = true) { 1277561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor TypeBits.Dependent = D; 1278561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (D) 1279561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor TypeBits.InstantiationDependent = true; 1280561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor } 1281561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor void setInstantiationDependent(bool D = true) { 1282561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor TypeBits.InstantiationDependent = D; } 1283561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor void setVariablyModified(bool VM = true) { TypeBits.VariablyModified = VM; 1284561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor } 1285d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor void setContainsUnexpandedParameterPack(bool PP = true) { 1286d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor TypeBits.ContainsUnexpandedParameterPack = PP; 1287d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 1288d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 12898b9023ba35a86838789e2c9034a6128728c547aaChris Lattnerpublic: 1290b870b88df784c2940efce448ebfaf54dece14666John McCall TypeClass getTypeClass() const { return static_cast<TypeClass>(TypeBits.TC); } 12911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12923c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Whether this type comes from an AST file. 1293b870b88df784c2940efce448ebfaf54dece14666John McCall bool isFromAST() const { return TypeBits.FromAST; } 129407a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1295d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Whether this type is or contains an unexpanded parameter 1296d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// pack, used to support C++0x variadic templates. 1297d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 1298d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// A type that contains a parameter pack shall be expanded by the 1299d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// ellipsis operator at some point. For example, the typedef in the 1300d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// following example contains an unexpanded parameter pack 'T': 1301d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 1302d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \code 1303d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// template<typename ...T> 1304d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// struct X { 1305d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// typedef T* pointer_types; // ill-formed; T is a parameter pack. 1306d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// }; 1307d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \endcode 1308d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 1309d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// Note that this routine does not specify which 1310d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool containsUnexpandedParameterPack() const { 1311d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return TypeBits.ContainsUnexpandedParameterPack; 1312d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 1313d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 13143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// Determines if this type would be canonical if it had no further 13153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// qualification. 1316467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonicalUnqualified() const { 13173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return CanonicalType == QualType(this, 0); 1318467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall } 13195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Types are partitioned into 3 broad categories (C99 6.2.5p1): 13215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// object types, function types, and incomplete types. 13221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIncompleteType - Return true if this is an incomplete type. 13245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// A type that can describe objects, but which lacks information needed to 13255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// determine its size (e.g. void, or a fwd declared struct). Clients of this 13261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// routine will need to determine if the size is actually required. 13275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncompleteType() const; 1328d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner 1329d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// isIncompleteOrObjectType - Return true if this is an incomplete or object 1330d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// type, in other words, not a function type. 1331d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner bool isIncompleteOrObjectType() const { 1332d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner return !isFunctionType(); 1333d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner } 13342fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor 13352fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor /// \brief Determine whether this type is an object type. 13362fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor bool isObjectType() const { 13372fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor // C++ [basic.types]p8: 13382fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor // An object type is a (possibly cv-qualified) type that is not a 13392fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor // function type, not a reference type, and not a void type. 13402fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor return !isReferenceType() && !isFunctionType() && !isVoidType(); 13412fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor } 134264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 1343ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// isLiteralType - Return true if this is a literal type 1344ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// (C++0x [basic.types]p10) 1345ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl bool isLiteralType() const; 1346ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl 1347636a617cc6021a4366380b3ce673f4472f3d99dbChandler Carruth /// \brief Test if this type is a standard-layout type. 1348636a617cc6021a4366380b3ce673f4472f3d99dbChandler Carruth /// (C++0x [basic.type]p9) 1349636a617cc6021a4366380b3ce673f4472f3d99dbChandler Carruth bool isStandardLayoutType() const; 1350636a617cc6021a4366380b3ce673f4472f3d99dbChandler Carruth 13515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Helper methods to distinguish type categories. All type predicates 1352ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// operate on the canonical type, ignoring typedefs and qualifiers. 1353e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 13549b065ddabf572772991a4aadad5bf4921fac5069Tom Care /// isBuiltinType - returns true if the type is a builtin type. 13559b065ddabf572772991a4aadad5bf4921fac5069Tom Care bool isBuiltinType() const; 13569b065ddabf572772991a4aadad5bf4921fac5069Tom Care 1357e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar /// isSpecificBuiltinType - Test for a particular builtin type. 1358e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar bool isSpecificBuiltinType(unsigned K) const; 13591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13602a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// isPlaceholderType - Test for a type which does not represent an 13612a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// actual type-system type but is instead used as a placeholder for 13622a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// various convenient purposes within Clang. All such types are 13632a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// BuiltinTypes. 13642a984cad5ac3fdceeff2bd99daa7b90979313475John McCall bool isPlaceholderType() const; 13652a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 1366864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// isSpecificPlaceholderType - Test for a specific placeholder type. 1367864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall bool isSpecificPlaceholderType(unsigned K) const; 1368864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 136996d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isIntegerType() does *not* include complex integers (a GCC extension). 137096d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isComplexIntegerType() can be used to test for complex integers. 13715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIntegerType() const; // C99 6.2.5p17 (int, char, bool, enum) 137213b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isEnumeralType() const; 137313b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isBooleanType() const; 137413b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isCharType() const; 137577a52233f7c0f162672652051bfe78b65ad4f789Douglas Gregor bool isWideCharType() const; 13765cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor bool isChar16Type() const; 13775cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor bool isChar32Type() const; 137820093b4bf698f292c664676987541d5103b65b15Douglas Gregor bool isAnyCharacterType() const; 13799d3347a5887d2d25afe8b0bd35783a72ec86cce2Douglas Gregor bool isIntegralType(ASTContext &Ctx) const; 138020093b4bf698f292c664676987541d5103b65b15Douglas Gregor 13812ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor /// \brief Determine whether this type is an integral or enumeration type. 13822ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor bool isIntegralOrEnumerationType() const; 13831274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor /// \brief Determine whether this type is an integral or unscoped enumeration 13841274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor /// type. 13851274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor bool isIntegralOrUnscopedEnumerationType() const; 13862ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor 13875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Floating point categories. 13885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealFloatingType() const; // C99 6.2.5p10 (float, double, long double) 138902f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexType() does *not* include complex integers (a GCC extension). 139002f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexIntegerType() can be used to test for complex integers. 13915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isComplexType() const; // C99 6.2.5p11 (complex) 1392f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner bool isAnyComplexType() const; // C99 6.2.5p11 (complex) + Complex Int. 13935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isFloatingType() const; // C99 6.2.5p11 (real floating + complex) 13945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealType() const; // C99 6.2.5p17 (real floating + integer) 13955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArithmeticType() const; // C99 6.2.5p18 (integer + floating) 1396c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isVoidType() const; // C99 6.2.5p19 1397c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isDerivedType() const; // C99 6.2.5p20 1398c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isScalarType() const; // C99 6.2.5p21 (arithmetic + pointers) 1399d7eb846aaf5ee4a8d22c3cd0796d1e7229d46013Douglas Gregor bool isAggregateType() const; 1400aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth bool isFundamentalType() const; 1401aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth bool isCompoundType() const; 14021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1403c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Predicates: Check to see if this type is structurally the specified 1404ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb // type, ignoring typedefs and qualifiers. 1405c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isFunctionType() const; 1406183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionNoProtoType() const { return getAs<FunctionNoProtoType>(); } 1407183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionProtoType() const { return getAs<FunctionProtoType>(); } 1408befee48ff2a1dab236c5700f00ecca1cfdcd5837Chris Lattner bool isPointerType() const; 140958f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff bool isAnyPointerType() const; // Any C pointer or ObjC object pointer 14105618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff bool isBlockPointerType() const; 14117154a77e7c1f23418342d3b72836ab504aa7821eSteve Naroff bool isVoidPointerType() const; 1412a1d9fdea79ba7bbd71862b9f9f78f5f117331fc7Chris Lattner bool isReferenceType() const; 14137c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isLValueReferenceType() const; 14147c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isRValueReferenceType() const; 1415bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner bool isFunctionPointerType() const; 1416f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberPointerType() const; 1417f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberFunctionPointerType() const; 1418db68e28c05a67735211e688009890cf834c22e75Douglas Gregor bool isMemberDataPointerType() const; 1419c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isArrayType() const; 1420c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isConstantArrayType() const; 1421c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isIncompleteArrayType() const; 1422c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isVariableArrayType() const; 1423898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool isDependentSizedArrayType() const; 1424c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isRecordType() const; 14251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isClassType() const; 14261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isStructureType() const; 1427fb87b89fc9eb103e19fb8e4b925c23f0bd091b99Douglas Gregor bool isStructureOrClassType() const; 14284cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff bool isUnionType() const; 1429368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isComplexIntegerType() const; // GCC _Complex integer type. 1430368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isVectorType() const; // GCC vector type. 1431213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman bool isExtVectorType() const; // Extended vector type. 1432f85e193739c953358c865005855253af4f68a497John McCall bool isObjCObjectPointerType() const; // pointer to ObjC object 1433f85e193739c953358c865005855253af4f68a497John McCall bool isObjCRetainableType() const; // ObjC object or block pointer 1434f85e193739c953358c865005855253af4f68a497John McCall bool isObjCLifetimeType() const; // (array of)* retainable type 1435f85e193739c953358c865005855253af4f68a497John McCall bool isObjCIndirectLifetimeType() const; // (pointer to)* lifetime type 1436f85e193739c953358c865005855253af4f68a497John McCall bool isObjCNSObjectType() const; // __attribute__((NSObject)) 143714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // FIXME: change this to 'raw' interface type, so we can used 'interface' type 143814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for the common case. 1439c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCObjectType() const; // NSString or typeof(*(id)0) 1440368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedInterfaceType() const; // NSString<foo> 1441368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedIdType() const; // id<foo> 1442470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const; // Class<foo> 1443569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor bool isObjCObjectOrInterfaceType() const; 144414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const; // id 144514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const; // Class 144613dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian bool isObjCSelType() const; // Class 1447de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff bool isObjCBuiltinType() const; // 'id' or 'Class' 1448f85e193739c953358c865005855253af4f68a497John McCall bool isObjCARCBridgableType() const; 1449f85e193739c953358c865005855253af4f68a497John McCall bool isCARCBridgableType() const; 145072c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor bool isTemplateTypeParmType() const; // C++ template type parameter 14516e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl bool isNullPtrType() const; // C++0x nullptr_t 1452b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman bool isAtomicType() const; // C1X _Atomic() 1453898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1454f85e193739c953358c865005855253af4f68a497John McCall /// Determines if this type, which must satisfy 1455f85e193739c953358c865005855253af4f68a497John McCall /// isObjCLifetimeType(), is implicitly __unsafe_unretained rather 1456f85e193739c953358c865005855253af4f68a497John McCall /// than implicitly __strong. 1457f85e193739c953358c865005855253af4f68a497John McCall bool isObjCARCImplicitlyUnretainedType() const; 1458f85e193739c953358c865005855253af4f68a497John McCall 1459f85e193739c953358c865005855253af4f68a497John McCall /// Return the implicit lifetime for this type, which must not be dependent. 1460f85e193739c953358c865005855253af4f68a497John McCall Qualifiers::ObjCLifetime getObjCARCImplicitLifetime() const; 1461f85e193739c953358c865005855253af4f68a497John McCall 1462daa8e4e888758d55a7a759dd4a91b83921cef222John McCall enum ScalarTypeKind { 14631d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall STK_CPointer, 14641d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall STK_BlockPointer, 14651d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall STK_ObjCObjectPointer, 1466daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_MemberPointer, 1467daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Bool, 1468daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Integral, 1469daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Floating, 1470daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_IntegralComplex, 1471daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_FloatingComplex 1472daa8e4e888758d55a7a759dd4a91b83921cef222John McCall }; 1473daa8e4e888758d55a7a759dd4a91b83921cef222John McCall /// getScalarTypeKind - Given that this is a scalar type, classify it. 1474daa8e4e888758d55a7a759dd4a91b83921cef222John McCall ScalarTypeKind getScalarTypeKind() const; 1475daa8e4e888758d55a7a759dd4a91b83921cef222John McCall 1476898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// isDependentType - Whether this type is a dependent type, meaning 14771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// that its definition somehow depends on a template parameter 1478898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// (C++ [temp.dep.type]). 1479b870b88df784c2940efce448ebfaf54dece14666John McCall bool isDependentType() const { return TypeBits.Dependent; } 148035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 1481561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// \brief Determine whether this type is an instantiation-dependent type, 1482561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// meaning that the type involves a template parameter (even if the 1483561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// definition does not actually depend on the type substituted for that 1484561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// template parameter). 1485561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool isInstantiationDependentType() const { 1486561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor return TypeBits.InstantiationDependent; 1487561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor } 1488561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor 148935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /// \brief Whether this type is a variably-modified type (C99 6.7.5). 1490b870b88df784c2940efce448ebfaf54dece14666John McCall bool isVariablyModifiedType() const { return TypeBits.VariablyModified; } 14913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 14923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// \brief Whether this type involves a variable-length array type 14933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// with a definite size. 14943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall bool hasSizedVLAType() const; 149535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 1496db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor /// \brief Whether this type is or contains a local or unnamed type. 1497db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor bool hasUnnamedOrLocalType() const; 1498db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor 1499063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor bool isOverloadableType() const; 150072c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 15014033642464e8ba0982f88f34cffad808d247b393Douglas Gregor /// \brief Determine wither this type is a C++ elaborated-type-specifier. 15024033642464e8ba0982f88f34cffad808d247b393Douglas Gregor bool isElaboratedTypeSpecifier() const; 1503bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth 1504bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth bool canDecayToPointerType() const; 15052b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor 15068958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// hasPointerRepresentation - Whether this type is represented 15078958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// natively as a pointer; this includes pointers, references, block 15088958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// pointers, and Objective-C interface, qualified id, and qualified 15096e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl /// interface types, as well as nullptr_t. 15108958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar bool hasPointerRepresentation() const; 15118958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 1512820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// hasObjCPointerRepresentation - Whether this type can represent 1513820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// an objective pointer type for the purpose of GC'ability 15141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool hasObjCPointerRepresentation() const; 1515820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 1516f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an integer representation 1517f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an integer type or a vector. 1518f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasIntegerRepresentation() const; 1519f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1520f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an signed integer representation 1521f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an signed integer type or a vector. 1522f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasSignedIntegerRepresentation() const; 1523f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1524f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an unsigned integer representation 1525f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an unsigned integer type or a vector. 1526f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasUnsignedIntegerRepresentation() const; 1527f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 15288eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// \brief Determine whether this type has a floating-point representation 15298eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// of some sort, e.g., it is a floating-point type or a vector thereof. 15308eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor bool hasFloatingRepresentation() const; 1531f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1532c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Checking Functions: Check to see if this type is structurally the 1533f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // specified type, ignoring typedefs and qualifiers, and return a pointer to 1534f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // the best type we can. 1535769c9cfc6e06bd9d8ffe7a4397b939f19b0e4dc3Ted Kremenek const RecordType *getAsStructureType() const; 1536898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// NOTE: getAs*ArrayType are methods on ASTContext. 1537c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner const RecordType *getAsUnionType() const; 15384cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff const ComplexType *getAsComplexIntegerType() const; // GCC complex int type. 153914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // The following is a convenience method that returns an ObjCObjectPointerType 154014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for object declared using an interface. 154114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCInterfacePointerType() const; 154214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCQualifiedIdType() const; 1543759abb4d9ec14ae32104a9677b60f0542b60d1d8Fariborz Jahanian const ObjCObjectPointerType *getAsObjCQualifiedClassType() const; 1544c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getAsObjCQualifiedInterfaceType() const; 1545a91d6a6619a91d0ca7102d8ab5678d855f04d850Fariborz Jahanian const CXXRecordDecl *getCXXRecordDeclForPointerType() const; 15461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1547c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// \brief Retrieves the CXXRecordDecl that this type refers to, either 1548c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// because the type is a RecordType or because it is the injected-class-name 1549c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// type of a class template or class template partial specialization. 1550c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor CXXRecordDecl *getAsCXXRecordDecl() const; 155134b41d939a1328f484511c6002ba2456db879a29Richard Smith 155234b41d939a1328f484511c6002ba2456db879a29Richard Smith /// \brief Get the AutoType whose type will be deduced for a variable with 155334b41d939a1328f484511c6002ba2456db879a29Richard Smith /// an initializer of this type. This looks through declarators like pointer 155434b41d939a1328f484511c6002ba2456db879a29Richard Smith /// types, but not through decltype or typedefs. 155534b41d939a1328f484511c6002ba2456db879a29Richard Smith AutoType *getContainedAutoType() const; 1556c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor 1557d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// Member-template getAs<specific type>'. Look through sugar for 1558d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// an instance of <specific type>. This scheme will eventually 1559d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// replace the specific getAsXXXX methods above. 1560d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// 1561d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// There are some specializations of this member template listed 1562d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// immediately following this class. 15631a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek template <typename T> const T *getAs() const; 15641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// A variant of getAs<> for array types which silently discards 15663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// qualifiers from the outermost type. 15673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *getAsArrayTypeUnsafe() const; 15683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 1569d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// Member-template castAs<specific type>. Look through sugar for 1570d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// the underlying instance of <specific type>. 1571d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// 1572d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// This method has the same relationship to getAs<T> as cast<T> has 1573d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// to dyn_cast<T>; which is to say, the underlying type *must* 1574d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// have the intended type, and this method will never return null. 1575d0370f59e79702ac908c81bf556519f91e9ca297John McCall template <typename T> const T *castAs() const; 1576d0370f59e79702ac908c81bf556519f91e9ca297John McCall 1577d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// A variant of castAs<> for array type which silently discards 1578d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// qualifiers from the outermost type. 1579d0370f59e79702ac908c81bf556519f91e9ca297John McCall const ArrayType *castAsArrayTypeUnsafe() const; 1580d0370f59e79702ac908c81bf556519f91e9ca297John McCall 1581d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// getBaseElementTypeUnsafe - Get the base element type of this 1582d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// type, potentially discarding type qualifiers. This method 1583d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// should never be used when type qualifiers are meaningful. 1584d0370f59e79702ac908c81bf556519f91e9ca297John McCall const Type *getBaseElementTypeUnsafe() const; 1585d0370f59e79702ac908c81bf556519f91e9ca297John McCall 1586c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// getArrayElementTypeNoTypeQual - If this is an array type, return the 1587c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// element type of the array, potentially with type qualifiers missing. 1588c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// This method should never be used when type qualifiers are meaningful. 1589c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const Type *getArrayElementTypeNoTypeQual() const; 15901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1591f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// getPointeeType - If this is a pointer, ObjC object pointer, or block 1592f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// pointer, this returns the respective pointee. 159314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const; 15941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1595bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// getUnqualifiedDesugaredType() - Return the specified type with 1596bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// any "sugar" removed from the type, removing any typedefs, 1597bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// typeofs, etc., as well as any qualifiers. 1598bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall const Type *getUnqualifiedDesugaredType() const; 15991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// More type predicates useful for type checking/promotion 16015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPromotableIntegerType() const; // C99 6.3.1.1p2 16025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isSignedIntegerType - Return true if this is an integer type that is 1604d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// signed, according to C99 6.2.5p4 [char, signed char, short, int, long..], 16055f3827cabd526d0dd5f291d46c310103cebe7a44Eli Friedman /// or an enum decl which has a signed representation. 16065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSignedIntegerType() const; 16075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isUnsignedIntegerType - Return true if this is an integer type that is 16095f3827cabd526d0dd5f291d46c310103cebe7a44Eli Friedman /// unsigned, according to C99 6.2.5p6 [which returns true for _Bool], 16105f3827cabd526d0dd5f291d46c310103cebe7a44Eli Friedman /// or an enum decl which has an unsigned representation. 16115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isUnsignedIntegerType() const; 1612d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner 1613575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor /// Determines whether this is an integer type that is signed or an 1614575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor /// enumeration types whose underlying type is a signed integer type. 1615575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor bool isSignedIntegerOrEnumerationType() const; 1616575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor 1617575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor /// Determines whether this is an integer type that is unsigned or an 1618575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor /// enumeration types whose underlying type is a unsigned integer type. 1619575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor bool isUnsignedIntegerOrEnumerationType() const; 1620575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor 16215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isConstantSizeType - Return true if this is not a variable sized type, 16229bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// according to the rules of C99 6.7.5p3. It is not legal to call this on 16239bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// incomplete types. 16243c2b3170041f69a92904e3bab9b6d654eaf260acEli Friedman bool isConstantSizeType() const; 1625c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 162622b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// isSpecifierType - Returns true if this type can be represented by some 162722b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// set of type specifiers. 162822b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman bool isSpecifierType() const; 162922b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman 16300b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor /// \brief Determine the linkage of this type. 163160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor Linkage getLinkage() const; 16321fb0caaa7bef765b85972274e3b434af2572c141John McCall 16331fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Determine the visibility of this type. 16341fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility getVisibility() const; 16351fb0caaa7bef765b85972274e3b434af2572c141John McCall 16361fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Determine the linkage and visibility of this type. 16371fb0caaa7bef765b85972274e3b434af2572c141John McCall std::pair<Linkage,Visibility> getLinkageAndVisibility() const; 163860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 163960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor /// \brief Note that the linkage is no longer known. 164060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor void ClearLinkageCache(); 164160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 164260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor const char *getTypeClassName() const; 16430b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1644ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall QualType getCanonicalTypeInternal() const { 1645ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall return CanonicalType; 1646ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall } 1647ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall CanQualType getCanonicalTypeUnqualified() const; // in CanonicalType.h 1648c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 1649f85e193739c953358c865005855253af4f68a497John McCall 16505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *) { return true; } 1651be191100e034b23a3e13053757a57b7f5068c24aArgyrios Kyrtzidis 1652c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; 1653a4232eb646d89e7d52424bb42eb87d9061f39e63Sebastian Redl friend class ASTWriter; 16545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 16555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1656183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const TypedefType *Type::getAs() const { 1657183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall return dyn_cast<TypedefType>(this); 1658183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1659183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1660183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// We can do canonical leaf types faster, because we don't have to 1661183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// worry about preserving child type decoration. 1662183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define TYPE(Class, Base) 1663183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define LEAF_TYPE(Class) \ 1664183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const Class##Type *Type::getAs() const { \ 16650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return dyn_cast<Class##Type>(CanonicalType); \ 1666d0370f59e79702ac908c81bf556519f91e9ca297John McCall} \ 1667d0370f59e79702ac908c81bf556519f91e9ca297John McCalltemplate <> inline const Class##Type *Type::castAs() const { \ 1668d0370f59e79702ac908c81bf556519f91e9ca297John McCall return cast<Class##Type>(CanonicalType); \ 1669183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1670183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#include "clang/AST/TypeNodes.def" 1671183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1672183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 16735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BuiltinType - This class is used for builtin types like 'int'. Builtin 16745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types are always canonical and have a literal name field. 16755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BuiltinType : public Type { 16765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 16775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Kind { 16785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Void, 16791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Bool, // This is bool and/or _Bool. 16815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_U, // This is 'char' for targets where char is unsigned. 16825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UChar, // This is explicitly qualified unsigned char. 16833f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner WChar_U, // This is 'wchar_t' for C++, when unsigned. 1684f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16, // This is 'char16_t' for C++. 1685f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32, // This is 'char32_t' for C++. 16865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UShort, 16875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UInt, 16885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULong, 16895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULongLong, 16902df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner UInt128, // __uint128_t 16911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_S, // This is 'char' for targets where char is signed. 16935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SChar, // This is explicitly qualified signed char. 16943f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner WChar_S, // This is 'wchar_t' for C++, when signed. 16955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Short, 16965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Int, 16975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Long, 16985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongLong, 16992df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner Int128, // __int128_t 17001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17018e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor Float, Double, LongDouble, 17028e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 17036e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl NullPtr, // This is the type of C++0x 'nullptr'. 17046e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 1705864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// The primitive Objective C 'id' type. The user-visible 'id' 1706864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// type is a typedef of an ObjCObjectPointerType to an 1707864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// ObjCObjectType with this as its base. In fact, this only ever 1708864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// shows up in an AST as the base type of an ObjCObjectType. 1709864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall ObjCId, 1710864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 1711864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// The primitive Objective C 'Class' type. The user-visible 1712864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// 'Class' type is a typedef of an ObjCObjectPointerType to an 1713864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// ObjCObjectType with this as its base. In fact, this only ever 1714864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// shows up in an AST as the base type of an ObjCObjectType. 1715864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall ObjCClass, 1716864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 1717864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// The primitive Objective C 'SEL' type. The user-visible 'SEL' 1718864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// type is a typedef of a PointerType to this. 1719864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall ObjCSel, 1720864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 17212a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// This represents the type of an expression whose type is 17222a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// totally unknown, e.g. 'T::foo'. It is permitted for this to 17232a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// appear in situations where the structure of the type is 17242a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// theoretically deducible. 17252a984cad5ac3fdceeff2bd99daa7b90979313475John McCall Dependent, 17262a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 1727864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// The type of an unresolved overload set. A placeholder type. 1728864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// Expressions with this type have one of the following basic 1729864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// forms, with parentheses generally permitted: 1730864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// foo # possibly qualified, not if an implicit access 1731864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// foo # possibly qualified, not if an implicit access 1732864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// &foo # possibly qualified, not if an implicit access 1733864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// x->foo # only if might be a static member function 1734864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// &x->foo # only if might be a static member function 1735864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// &Class::foo # when a pointer-to-member; sub-expr also has this type 1736864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// OverloadExpr::find can be used to analyze the expression. 17371de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall Overload, 17381de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall 1739864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// The type of a bound C++ non-static member function. 1740864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// A placeholder type. Expressions with this type have one of the 1741864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// following basic forms: 1742864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// foo # if an implicit access 1743864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// x->foo # if only contains non-static members 1744864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall BoundMember, 1745864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 1746864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// __builtin_any_type. A placeholder type. Useful for clients 1747864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// like debuggers that don't know what type to give something. 1748864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// Only a small number of operations are valid on expressions of 1749864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// unknown type, most notably explicit casts. 1750864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall UnknownAny 17515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 175271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 17535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 17541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BuiltinType(Kind K) 175535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(Builtin, QualType(), /*Dependent=*/(K == Dependent), 1756561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/(K == Dependent), 1757d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, 1758d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*Unexpanded paramter pack=*/false) { 1759b870b88df784c2940efce448ebfaf54dece14666John McCall BuiltinTypeBits.Kind = K; 176071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 17611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1762b870b88df784c2940efce448ebfaf54dece14666John McCall Kind getKind() const { return static_cast<Kind>(BuiltinTypeBits.Kind); } 176330c42404202d2e2512e51efc6066bd614cfdb5a4Douglas Gregor const char *getName(const PrintingPolicy &Policy) const; 17641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1765bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1766bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1767bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1768680523a91dd3351389667c8de17121ba7ae82673John McCall bool isInteger() const { 176971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Bool && getKind() <= Int128; 1770680523a91dd3351389667c8de17121ba7ae82673John McCall } 1771680523a91dd3351389667c8de17121ba7ae82673John McCall 1772680523a91dd3351389667c8de17121ba7ae82673John McCall bool isSignedInteger() const { 177371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Char_S && getKind() <= Int128; 1774680523a91dd3351389667c8de17121ba7ae82673John McCall } 1775680523a91dd3351389667c8de17121ba7ae82673John McCall 1776680523a91dd3351389667c8de17121ba7ae82673John McCall bool isUnsignedInteger() const { 177771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Bool && getKind() <= UInt128; 1778680523a91dd3351389667c8de17121ba7ae82673John McCall } 1779680523a91dd3351389667c8de17121ba7ae82673John McCall 1780680523a91dd3351389667c8de17121ba7ae82673John McCall bool isFloatingPoint() const { 178171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Float && getKind() <= LongDouble; 1782680523a91dd3351389667c8de17121ba7ae82673John McCall } 1783680523a91dd3351389667c8de17121ba7ae82673John McCall 1784864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// Determines whether this type is a placeholder type, i.e. a type 1785864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// which cannot appear in arbitrary positions in a fully-formed 1786864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// expression. 17872a984cad5ac3fdceeff2bd99daa7b90979313475John McCall bool isPlaceholderType() const { 1788864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall return getKind() >= Overload; 17892a984cad5ac3fdceeff2bd99daa7b90979313475John McCall } 17902a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 17915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Builtin; } 17925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BuiltinType *) { return true; } 17935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 17945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ComplexType - C99 6.2.5p11 - Complex values. This supports the C99 complex 17965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types (_Complex float etc) as well as the GCC integer complex extensions. 17975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 17985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ComplexType : public Type, public llvm::FoldingSetNode { 17995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 18005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType(QualType Element, QualType CanonicalPtr) : 180135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Complex, CanonicalPtr, Element->isDependentType(), 1802561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Element->isInstantiationDependentType(), 1803d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Element->isVariablyModifiedType(), 1804d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Element->containsUnexpandedParameterPack()), 1805898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ElementType(Element) { 18065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 180860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 18095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 18105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 18111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1812bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1813bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1814bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 18155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 18165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getElementType()); 18175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Element) { 18195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Element.getAsOpaquePtr()); 18205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Complex; } 18235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ComplexType *) { return true; } 18245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 18255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1826075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara/// ParenType - Sugar for parentheses used when specifying types. 1827075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara/// 1828075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnaraclass ParenType : public Type, public llvm::FoldingSetNode { 1829075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType Inner; 1830075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1831075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType(QualType InnerType, QualType CanonType) : 1832075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Type(Paren, CanonType, InnerType->isDependentType(), 1833561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor InnerType->isInstantiationDependentType(), 1834d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor InnerType->isVariablyModifiedType(), 1835d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor InnerType->containsUnexpandedParameterPack()), 1836075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Inner(InnerType) { 1837075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1838075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara friend class ASTContext; // ASTContext creates these. 1839075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1840075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnarapublic: 1841075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1842075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType getInnerType() const { return Inner; } 1843075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1844075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara bool isSugared() const { return true; } 1845075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType desugar() const { return getInnerType(); } 1846075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1847075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara void Profile(llvm::FoldingSetNodeID &ID) { 1848075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Profile(ID, getInnerType()); 1849075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1850075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static void Profile(llvm::FoldingSetNodeID &ID, QualType Inner) { 1851075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Inner.Profile(ID); 1852075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1853075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1854075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static bool classof(const Type *T) { return T->getTypeClass() == Paren; } 1855075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static bool classof(const ParenType *) { return true; } 1856075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara}; 1857075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 185868694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar/// PointerType - C99 6.7.5.1 - Pointer Declarators. 1859bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner/// 186068694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass PointerType : public Type, public llvm::FoldingSetNode { 1861bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner QualType PointeeType; 18625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType(QualType Pointee, QualType CanonicalPtr) : 186435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Pointer, CanonicalPtr, Pointee->isDependentType(), 1865561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Pointee->isInstantiationDependentType(), 1866d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->isVariablyModifiedType(), 1867d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->containsUnexpandedParameterPack()), 186835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor PointeeType(Pointee) { 18695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 187160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 18725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 18731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 187468694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType getPointeeType() const { return PointeeType; } 187568694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 1876bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1877bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1878bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 18795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 18805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getPointeeType()); 18815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 18835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Pointee.getAsOpaquePtr()); 18845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Pointer; } 18875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const PointerType *) { return true; } 18885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 18895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18905618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// BlockPointerType - pointer to a block type. 18915618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// This type is to represent types syntactically represented as 18925618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// "void (^)(int)", etc. Pointee is required to always be a function type. 18935618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// 18945618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffclass BlockPointerType : public Type, public llvm::FoldingSetNode { 18955618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType PointeeType; // Block is some kind of pointer type 18965618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType(QualType Pointee, QualType CanonicalCls) : 189735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(BlockPointer, CanonicalCls, Pointee->isDependentType(), 1898561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Pointee->isInstantiationDependentType(), 1899d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->isVariablyModifiedType(), 1900d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->containsUnexpandedParameterPack()), 1901898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor PointeeType(Pointee) { 19025618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 19035618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff friend class ASTContext; // ASTContext creates these. 190460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 19055618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffpublic: 19061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19075618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the pointee type. Pointee is required to always be a function type. 19085618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getPointeeType() const { return PointeeType; } 19095618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 1910bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1911bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1912bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 19135618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 19145618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Profile(ID, getPointeeType()); 19155618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 19165618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 19175618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff ID.AddPointer(Pointee.getAsOpaquePtr()); 19185618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 19191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 19211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == BlockPointer; 19225618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 19235618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static bool classof(const BlockPointerType *) { return true; } 19245618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff}; 19255618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 19267c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// ReferenceType - Base for LValueReferenceType and RValueReferenceType 19275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 192868694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass ReferenceType : public Type, public llvm::FoldingSetNode { 192968694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType PointeeType; 193068694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 19317c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlprotected: 193254e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(TypeClass tc, QualType Referencee, QualType CanonicalRef, 193354e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 193435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(tc, CanonicalRef, Referencee->isDependentType(), 1935561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Referencee->isInstantiationDependentType(), 1936d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Referencee->isVariablyModifiedType(), 1937d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Referencee->containsUnexpandedParameterPack()), 1938d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor PointeeType(Referencee) 1939d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor { 1940b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBits.SpelledAsLValue = SpelledAsLValue; 1941b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBits.InnerRef = Referencee->isReferenceType(); 19425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 194360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 19445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1945b870b88df784c2940efce448ebfaf54dece14666John McCall bool isSpelledAsLValue() const { return ReferenceTypeBits.SpelledAsLValue; } 1946b870b88df784c2940efce448ebfaf54dece14666John McCall bool isInnerRef() const { return ReferenceTypeBits.InnerRef; } 194773dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 194854e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeTypeAsWritten() const { return PointeeType; } 194954e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeType() const { 195054e14c4db764c0636160d26c5bbf491637c83a76John McCall // FIXME: this might strip inner qualifiers; okay? 195154e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *T = this; 195271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall while (T->isInnerRef()) 1953d0370f59e79702ac908c81bf556519f91e9ca297John McCall T = T->PointeeType->castAs<ReferenceType>(); 195454e14c4db764c0636160d26c5bbf491637c83a76John McCall return T->PointeeType; 195554e14c4db764c0636160d26c5bbf491637c83a76John McCall } 195668694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 19575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 195871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Profile(ID, PointeeType, isSpelledAsLValue()); 19595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 196054e14c4db764c0636160d26c5bbf491637c83a76John McCall static void Profile(llvm::FoldingSetNodeID &ID, 196154e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Referencee, 196254e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) { 19635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Referencee.getAsOpaquePtr()); 196454e14c4db764c0636160d26c5bbf491637c83a76John McCall ID.AddBoolean(SpelledAsLValue); 19655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19677c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 19687c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference || 19697c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl T->getTypeClass() == RValueReference; 19707c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 19715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReferenceType *) { return true; } 19727c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 19737c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 19747c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// LValueReferenceType - C++ [dcl.ref] - Lvalue reference 19757c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 19767c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass LValueReferenceType : public ReferenceType { 197754e14c4db764c0636160d26c5bbf491637c83a76John McCall LValueReferenceType(QualType Referencee, QualType CanonicalRef, 197854e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 197954e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(LValueReference, Referencee, CanonicalRef, SpelledAsLValue) 198054e14c4db764c0636160d26c5bbf491637c83a76John McCall {} 19817c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 19827c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 1983bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1984bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1985bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 19867c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 19877c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference; 19887c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 19897c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const LValueReferenceType *) { return true; } 19907c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 19917c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 19927c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// RValueReferenceType - C++0x [dcl.ref] - Rvalue reference 19937c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 19947c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass RValueReferenceType : public ReferenceType { 19957c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType(QualType Referencee, QualType CanonicalRef) : 199654e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(RValueReference, Referencee, CanonicalRef, false) { 19977c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 19987c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 19997c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 2000bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2001bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2002bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 20037c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 20047c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == RValueReference; 20057c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 20067c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const RValueReferenceType *) { return true; } 2007f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl}; 2008f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 2009f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// MemberPointerType - C++ 8.3.3 - Pointers to members 2010f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// 2011f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlclass MemberPointerType : public Type, public llvm::FoldingSetNode { 2012f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType PointeeType; 2013f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// The class of which the pointee is a member. Must ultimately be a 2014f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// RecordType, but could be a typedef or a template parameter too. 2015f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class; 2016f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 2017f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType(QualType Pointee, const Type *Cls, QualType CanonicalPtr) : 2018f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Type(MemberPointer, CanonicalPtr, 201935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Cls->isDependentType() || Pointee->isDependentType(), 2020561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (Cls->isInstantiationDependentType() || 2021561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Pointee->isInstantiationDependentType()), 2022d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->isVariablyModifiedType(), 2023d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor (Cls->containsUnexpandedParameterPack() || 2024d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->containsUnexpandedParameterPack())), 2025f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl PointeeType(Pointee), Class(Cls) { 2026f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 2027f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl friend class ASTContext; // ASTContext creates these. 202860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 2029f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlpublic: 2030f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getPointeeType() const { return PointeeType; } 2031f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 20320bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Returns true if the member type (i.e. the pointee type) is a 20330bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// function type rather than a data-member type. 20340bab0cdab751248ca389a5592bcb70eac5d39260John McCall bool isMemberFunctionPointer() const { 20350bab0cdab751248ca389a5592bcb70eac5d39260John McCall return PointeeType->isFunctionProtoType(); 20360bab0cdab751248ca389a5592bcb70eac5d39260John McCall } 20370bab0cdab751248ca389a5592bcb70eac5d39260John McCall 20380bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Returns true if the member type (i.e. the pointee type) is a 20390bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// data type rather than a function type. 20400bab0cdab751248ca389a5592bcb70eac5d39260John McCall bool isMemberDataPointer() const { 20410bab0cdab751248ca389a5592bcb70eac5d39260John McCall return !PointeeType->isFunctionProtoType(); 20420bab0cdab751248ca389a5592bcb70eac5d39260John McCall } 20430bab0cdab751248ca389a5592bcb70eac5d39260John McCall 2044f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *getClass() const { return Class; } 2045f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 2046bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2047bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2048bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2049f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void Profile(llvm::FoldingSetNodeID &ID) { 2050f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Profile(ID, getPointeeType(), getClass()); 2051f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 2052f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee, 2053f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class) { 2054f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Pointee.getAsOpaquePtr()); 2055f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Class); 2056f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 2057f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 2058f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const Type *T) { 2059f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return T->getTypeClass() == MemberPointer; 2060f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 2061f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const MemberPointerType *) { return true; } 20625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 20635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArrayType - C99 6.7.5.2 - Array Declarators. 20655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 20662e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ArrayType : public Type, public llvm::FoldingSetNode { 20675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 20685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ArraySizeModifier - Capture whether this is a normal array (e.g. int X[4]) 2069898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// an array with a static size (e.g. int X[static 4]), or an array 2070898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// with a star size (e.g. int X[*]). 2071898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// 'static' is only allowed on function parameters. 20725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum ArraySizeModifier { 20735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Normal, Static, Star 20745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 20755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 2076fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff /// ElementType - The element type of the array. 2077fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType ElementType; 20781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2079fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffprotected: 2080898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // C++ [temp.dep.type]p1: 2081898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // A type is dependent if it is... 2082898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // - an array type constructed from any dependent type or whose 2083898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // size is specified by a constant expression that is 2084898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // value-dependent, 2085c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType(TypeClass tc, QualType et, QualType can, 2086d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ArraySizeModifier sm, unsigned tq, 2087d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool ContainsUnexpandedParameterPack) 208835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(tc, can, et->isDependentType() || tc == DependentSizedArray, 2089561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor et->isInstantiationDependentType() || tc == DependentSizedArray, 2090d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor (tc == VariableArray || et->isVariablyModifiedType()), 2091d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ContainsUnexpandedParameterPack), 209271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ElementType(et) { 2093b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBits.IndexTypeQuals = tq; 2094b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBits.SizeModifier = sm; 209571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2096898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2097fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 209860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 2099fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 2100fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType getElementType() const { return ElementType; } 2101ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek ArraySizeModifier getSizeModifier() const { 2102b870b88df784c2940efce448ebfaf54dece14666John McCall return ArraySizeModifier(ArrayTypeBits.SizeModifier); 2103ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek } 21040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getIndexTypeQualifiers() const { 210571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Qualifiers::fromCVRMask(getIndexTypeCVRQualifiers()); 210671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 210771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall unsigned getIndexTypeCVRQualifiers() const { 2108b870b88df784c2940efce448ebfaf54dece14666John McCall return ArrayTypeBits.IndexTypeQuals; 21090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 21101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2111fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const Type *T) { 2112fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff return T->getTypeClass() == ConstantArray || 2113c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman T->getTypeClass() == VariableArray || 2114898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == IncompleteArray || 2115898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == DependentSizedArray; 2116fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 2117fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ArrayType *) { return true; } 2118fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 2119fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 21207e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// ConstantArrayType - This class represents the canonical version of 21217e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// C arrays with a specified constant size. For example, the canonical 21227e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type for 'int A[4 + 4*100]' is a ConstantArrayType where the element 21237e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type is 'int' and the size is 404. 21242e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ConstantArrayType : public ArrayType { 2125fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff llvm::APInt Size; // Allows us to unique the type. 21261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21270be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType(QualType et, QualType can, const llvm::APInt &size, 2128c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArraySizeModifier sm, unsigned tq) 2129d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(ConstantArray, et, can, sm, tq, 2130d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor et->containsUnexpandedParameterPack()), 21317e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Size(size) {} 21327e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregorprotected: 21337e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ConstantArrayType(TypeClass tc, QualType et, QualType can, 21347e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor const llvm::APInt &size, ArraySizeModifier sm, unsigned tq) 2135d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(tc, et, can, sm, tq, et->containsUnexpandedParameterPack()), 2136d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Size(size) {} 2137fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 2138fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 2139c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const llvm::APInt &getSize() const { return Size; } 2140bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2141bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2142bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 21432767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 21442767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the number of bits required to address a member of 21452767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor // an array with the given element type and number of elements. 21462767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getNumAddressingBits(ASTContext &Context, 21472767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor QualType ElementType, 21482767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor const llvm::APInt &NumElements); 21492767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 21502767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the maximum number of active bits that an array's size 21512767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// can require, which limits the maximum size of the array. 21522767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getMaxSizeBits(ASTContext &Context); 21532767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 2154fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 21551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, getElementType(), getSize(), 21560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers()); 2157fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 2158fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 21590be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner const llvm::APInt &ArraySize, ArraySizeModifier SizeMod, 21600be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner unsigned TypeQuals) { 2161fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddPointer(ET.getAsOpaquePtr()); 2162fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddInteger(ArraySize.getZExtValue()); 21630be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 21640be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 2165fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 21667e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor static bool classof(const Type *T) { 216746a617a792bfab0d9b1e057371ea3b9540802226John McCall return T->getTypeClass() == ConstantArray; 2168fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 2169fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ConstantArrayType *) { return true; } 2170fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 2171fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 2172da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// IncompleteArrayType - This class represents C arrays with an unspecified 2173da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// size. For example 'int A[]' has an IncompleteArrayType where the element 2174da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// type is 'int' and the size is unspecified. 2175c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanclass IncompleteArrayType : public ArrayType { 21767e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 2177c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType(QualType et, QualType can, 21787e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq) 2179d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(IncompleteArray, et, can, sm, tq, 2180d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor et->containsUnexpandedParameterPack()) {} 2181c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class ASTContext; // ASTContext creates these. 2182c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanpublic: 2183bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2184bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2185bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 21861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 21871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == IncompleteArray; 2188c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 2189c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman static bool classof(const IncompleteArrayType *) { return true; } 21901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2191c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class StmtIteratorBase; 21921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2193c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void Profile(llvm::FoldingSetNodeID &ID) { 21940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Profile(ID, getElementType(), getSizeModifier(), 21950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getIndexTypeCVRQualifiers()); 2196c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 21971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21980be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 21990be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ArraySizeModifier SizeMod, unsigned TypeQuals) { 2200c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ID.AddPointer(ET.getAsOpaquePtr()); 22010be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 22020be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 2203c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 2204c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman}; 2205c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 2206da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// VariableArrayType - This class represents C arrays with a specified size 2207da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// which is not an integer-constant-expression. For example, 'int s[x+foo()]'. 2208da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Since the size expression is an arbitrary expression, we store it as such. 2209da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 2210da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Note: VariableArrayType's aren't uniqued (since the expressions aren't) and 2211da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// should not be: two lexically equivalent variable array types could mean 2212da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// different things, for example, these variables do not have the same type 2213da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// dynamically: 2214da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 2215da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// void foo(int x) { 2216da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Y[x]; 2217da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// ++x; 2218da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Z[x]; 2219da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// } 2220da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 22212e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass VariableArrayType : public ArrayType { 22221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// SizeExpr - An assignment expression. VLA's are only permitted within 22231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// a function block. 2224b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek Stmt *SizeExpr; 22257e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 22267e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 22277e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 2228c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff VariableArrayType(QualType et, QualType can, Expr *e, 22297e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq, 22307e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange brackets) 2231d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(VariableArray, et, can, sm, tq, 2232d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor et->containsUnexpandedParameterPack()), 22337e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SizeExpr((Stmt*) e), Brackets(brackets) {} 22345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 22354b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 22365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 22371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 2238b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // We use C-style casts instead of cast<> here because we do not wish 2239b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // to have a dependency of Type.h on Stmt.h/Expr.h. 2240b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek return (Expr*) SizeExpr; 2241b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek } 22427e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 22437e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 22447e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 22451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2246bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2247bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2248bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 22491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 22501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == VariableArray; 22515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2252fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const VariableArrayType *) { return true; } 22531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 225492866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek friend class StmtIteratorBase; 22551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22562bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) { 2257b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Cannot unique VariableArrayTypes."); 22582bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 22595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 22605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2261898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// DependentSizedArrayType - This type represents an array type in 2262898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// C++ whose size is a value-dependent expression. For example: 2263cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 2264cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \code 22651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// template<typename T, int Size> 2266898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// class array { 2267898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// T data[Size]; 2268898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// }; 2269cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \endcode 2270cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 2271898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// For these types, we won't actually know what the array bound is 2272898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// until template instantiation occurs, at which point this will 2273898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// become either a ConstantArrayType or a VariableArrayType. 2274898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorclass DependentSizedArrayType : public ArrayType { 22754ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 22761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2277cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// \brief An assignment expression that will instantiate to the 2278898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// size of the array. 2279cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// 2280cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// The expression itself might be NULL, in which case the array 2281cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// type will have its size deduced from an initializer. 2282898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Stmt *SizeExpr; 2283cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 22847e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 22857e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 22861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22874ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentSizedArrayType(const ASTContext &Context, QualType et, QualType can, 228804d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor Expr *e, ArraySizeModifier sm, unsigned tq, 2289d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor SourceRange brackets); 2290d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2291898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class ASTContext; // ASTContext creates these. 2292898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2293898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorpublic: 22941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 2295898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // We use C-style casts instead of cast<> here because we do not wish 2296898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // to have a dependency of Type.h on Stmt.h/Expr.h. 2297898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return (Expr*) SizeExpr; 2298898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 22997e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 23007e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 23017e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 23021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2303bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2304bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2305bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 23061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 23071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedArray; 2308898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 2309898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool classof(const DependentSizedArrayType *) { return true; } 23101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2311898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class StmtIteratorBase; 23121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2314898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 23151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, Context, getElementType(), 23160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers(), getSizeExpr()); 2317898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 23181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23194ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 23201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType ET, ArraySizeModifier SizeMod, 232104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor unsigned TypeQuals, Expr *E); 2322898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor}; 2323898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2324f6ddb737cb882ffbf0b75a9abd50b930cc2b9068Douglas Gregor/// DependentSizedExtVectorType - This type represent an extended vector type 23259cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// where either the type or size is dependent. For example: 23269cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @code 23279cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// template<typename T, int Size> 23289cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// class vector { 23299cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// typedef T __attribute__((ext_vector_type(Size))) type; 23309cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// } 23319cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @endcode 23322ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregorclass DependentSizedExtVectorType : public Type, public llvm::FoldingSetNode { 23334ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 23349cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr; 23359cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// ElementType - The element type of the array. 23369cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType ElementType; 23379cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation loc; 23381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23394ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentSizedExtVectorType(const ASTContext &Context, QualType ElementType, 2340d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor QualType can, Expr *SizeExpr, SourceLocation loc); 2341d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 23429cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor friend class ASTContext; 23439cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 23449cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregorpublic: 23452ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Expr *getSizeExpr() const { return SizeExpr; } 23469cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType getElementType() const { return ElementType; } 23479cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation getAttributeLoc() const { return loc; } 23489cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 2349bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2350bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2351bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 23521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 23531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedExtVector; 23549cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor } 23551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const DependentSizedExtVectorType *) { return true; } 23562ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor 23572ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 23582ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Profile(ID, Context, getElementType(), getSizeExpr()); 23592ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 23601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23614ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 23622ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType ElementType, Expr *SizeExpr); 23639cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor}; 23641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23659cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 236673322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// VectorType - GCC generic vector type. This type is created using 23671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// __attribute__((vector_size(n)), where "n" specifies the vector size in 236882287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// bytes; or from an Altivec __vector or vector declaration. 236982287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// Since the constructor takes the number of vector elements, the 237073322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// client is responsible for converting the size into the number of elements. 23715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass VectorType : public Type, public llvm::FoldingSetNode { 2372788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattnerpublic: 2373e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson enum VectorKind { 2374e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson GenericVector, // not a target-specific vector type 2375e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecVector, // is AltiVec vector 2376e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecPixel, // is AltiVec 'vector Pixel' 2377e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecBool, // is AltiVec 'vector bool ...' 2378491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson NeonVector, // is ARM Neon vector 2379491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson NeonPolyVector // is ARM Neon polynomial vector 2380788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner }; 238173322924127c873c13101b705dd823f5539ffa5fSteve Naroffprotected: 23825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ElementType - The element type of the vector. 23835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 23841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 238582287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType(QualType vecType, unsigned nElements, QualType canonType, 2386d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor VectorKind vecKind); 238735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 23881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump VectorType(TypeClass tc, QualType vecType, unsigned nElements, 2389d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor QualType canonType, VectorKind vecKind); 2390d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 23915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 239260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 23935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 23941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 2396b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getNumElements() const { return VectorTypeBits.NumElements; } 23975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2398bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2399bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2400bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2401e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorKind getVectorKind() const { 2402e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson return VectorKind(VectorTypeBits.VecKind); 240371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2404788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 24055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 240671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Profile(ID, getElementType(), getNumElements(), 2407e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson getTypeClass(), getVectorKind()); 24085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 24091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ElementType, 241082287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson unsigned NumElements, TypeClass TypeClass, 2411e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorKind VecKind) { 24125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ElementType.getAsOpaquePtr()); 24135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddInteger(NumElements); 241473322924127c873c13101b705dd823f5539ffa5fSteve Naroff ID.AddInteger(TypeClass); 2415e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson ID.AddInteger(VecKind); 241673322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 24170b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 24181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 24191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == Vector || T->getTypeClass() == ExtVector; 24205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 24215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const VectorType *) { return true; } 24225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 24235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2424213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// ExtVectorType - Extended vector type. This type is created using 2425213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// __attribute__((ext_vector_type(n)), where "n" is the number of elements. 2426213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// Unlike vector_size, ext_vector_type is only allowed on typedef's. This 2427fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// class enables syntactic extensions, like Vector Components for accessing 2428fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// points, colors, and textures (modeled after OpenGL Shading Language). 2429213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemanclass ExtVectorType : public VectorType { 2430213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman ExtVectorType(QualType vecType, unsigned nElements, QualType canonType) : 2431e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType(ExtVector, vecType, nElements, canonType, GenericVector) {} 243273322924127c873c13101b705dd823f5539ffa5fSteve Naroff friend class ASTContext; // ASTContext creates these. 243373322924127c873c13101b705dd823f5539ffa5fSteve Naroffpublic: 243488dca0464804b8b26ae605f89784c927e8493dddChris Lattner static int getPointAccessorIdx(char c) { 243588dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 243688dca0464804b8b26ae605f89784c927e8493dddChris Lattner default: return -1; 243788dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'x': return 0; 243888dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'y': return 1; 243988dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'z': return 2; 244088dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'w': return 3; 244188dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 2442e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 2443353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman static int getNumericAccessorIdx(char c) { 244488dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 2445353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman default: return -1; 2446353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '0': return 0; 2447353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '1': return 1; 2448353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '2': return 2; 2449353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '3': return 3; 2450353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '4': return 4; 2451353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '5': return 5; 2452353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '6': return 6; 2453353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '7': return 7; 2454353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '8': return 8; 2455353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '9': return 9; 2456131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'A': 2457353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'a': return 10; 2458131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'B': 2459353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'b': return 11; 2460131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'C': 2461353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'c': return 12; 2462131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'D': 2463353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'd': return 13; 2464131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'E': 2465353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'e': return 14; 2466131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'F': 2467353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'f': return 15; 246888dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 2469e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 24701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2471b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner static int getAccessorIdx(char c) { 2472b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getPointAccessorIdx(c)+1) return idx-1; 2473353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman return getNumericAccessorIdx(c); 2474b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner } 24751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 247688dca0464804b8b26ae605f89784c927e8493dddChris Lattner bool isAccessorWithinNumElements(char c) const { 2477b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getAccessorIdx(c)+1) 247871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return unsigned(idx-1) < getNumElements(); 247988dca0464804b8b26ae605f89784c927e8493dddChris Lattner return false; 2480e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 2481bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2482bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2483bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 24841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 24851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ExtVector; 248673322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 2487213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman static bool classof(const ExtVectorType *) { return true; } 248873322924127c873c13101b705dd823f5539ffa5fSteve Naroff}; 248973322924127c873c13101b705dd823f5539ffa5fSteve Naroff 24905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// FunctionType - C99 6.7.5.3 - Function Declarators. This is the common base 249172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// class of FunctionNoProtoType and FunctionProtoType. 24925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 24935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FunctionType : public Type { 24945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // The type returned by the function. 24955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ResultType; 2496264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2497264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 2498373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// ExtInfo - A class which abstracts out some details necessary for 2499373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// making a call. 2500373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// 2501373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// It is not actually used directly for storing this information in 2502373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// a FunctionType, although FunctionType does currently use the 2503373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// same bit-pattern. 2504373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// 2505075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // If you add a field (say Foo), other than the obvious places (both, 2506075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // constructors, compile failures), what you need to update is 2507075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // * Operator== 2508425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * getFoo 2509425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * withFoo 2510425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * functionType. Add Foo, getFoo. 2511425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::getFooType 2512425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::mergeFunctionTypes 2513425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionNoProtoType::Profile 2514425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionProtoType::Profile 2515425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * TypePrinter::PrintFunctionProto 25163c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // * AST read and write 2517425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * Codegen 2518264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola class ExtInfo { 25197e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor // Feel free to rearrange or add bits, but if you go over 8, 2520373920bd733b1d28fe7bf209945a62eb9248d948John McCall // you'll need to adjust both the Bits field below and 2521373920bd733b1d28fe7bf209945a62eb9248d948John McCall // Type::FunctionTypeBitfields. 2522373920bd733b1d28fe7bf209945a62eb9248d948John McCall 25237e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor // | CC |noreturn|produces|regparm| 25247e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor // |0 .. 2| 3 | 4 | 5 .. 7| 25257e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor // 25267e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor // regparm is either 0 (no regparm attribute) or the regparm value+1. 2527b870b88df784c2940efce448ebfaf54dece14666John McCall enum { CallConvMask = 0x7 }; 2528b870b88df784c2940efce448ebfaf54dece14666John McCall enum { NoReturnMask = 0x8 }; 2529f85e193739c953358c865005855253af4f68a497John McCall enum { ProducesResultMask = 0x10 }; 2530f85e193739c953358c865005855253af4f68a497John McCall enum { RegParmMask = ~(CallConvMask | NoReturnMask | ProducesResultMask), 25317e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor RegParmOffset = 5 }; // Assumed to be the last field 2532b870b88df784c2940efce448ebfaf54dece14666John McCall 2533f85e193739c953358c865005855253af4f68a497John McCall uint16_t Bits; 253471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 2535f85e193739c953358c865005855253af4f68a497John McCall ExtInfo(unsigned Bits) : Bits(static_cast<uint16_t>(Bits)) {} 253671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 253771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall friend class FunctionType; 253871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 2539264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 2540264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with no defaults. Use this when you know that you 25413c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // have all the elements (when reading an AST file for example). 2542f85e193739c953358c865005855253af4f68a497John McCall ExtInfo(bool noReturn, bool hasRegParm, unsigned regParm, CallingConv cc, 2543f85e193739c953358c865005855253af4f68a497John McCall bool producesResult) { 25447e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor assert((!hasRegParm || regParm < 7) && "Invalid regparm value"); 2545b870b88df784c2940efce448ebfaf54dece14666John McCall Bits = ((unsigned) cc) | 2546b870b88df784c2940efce448ebfaf54dece14666John McCall (noReturn ? NoReturnMask : 0) | 2547f85e193739c953358c865005855253af4f68a497John McCall (producesResult ? ProducesResultMask : 0) | 25487e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor (hasRegParm ? ((regParm + 1) << RegParmOffset) : 0); 254971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2550264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2551264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with all defaults. Use when for example creating a 2552264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // function know to use defaults. 255371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo() : Bits(0) {} 2554264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2555b870b88df784c2940efce448ebfaf54dece14666John McCall bool getNoReturn() const { return Bits & NoReturnMask; } 2556f85e193739c953358c865005855253af4f68a497John McCall bool getProducesResult() const { return Bits & ProducesResultMask; } 25577e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor bool getHasRegParm() const { return (Bits >> RegParmOffset) != 0; } 25587e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor unsigned getRegParm() const { 25597e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor unsigned RegParm = Bits >> RegParmOffset; 25607e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor if (RegParm > 0) 25617e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor --RegParm; 25627e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor return RegParm; 25637e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor } 2564b870b88df784c2940efce448ebfaf54dece14666John McCall CallingConv getCC() const { return CallingConv(Bits & CallConvMask); } 2565264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 256671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool operator==(ExtInfo Other) const { 256771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Bits == Other.Bits; 2568264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 256971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool operator!=(ExtInfo Other) const { 257071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Bits != Other.Bits; 2571264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2572264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2573264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Note that we don't have setters. That is by design, use 2574264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // the following with methods instead of mutating these objects. 2575264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2576264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withNoReturn(bool noReturn) const { 257771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall if (noReturn) 257871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return ExtInfo(Bits | NoReturnMask); 257971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall else 258071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return ExtInfo(Bits & ~NoReturnMask); 2581425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola } 2582425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 2583f85e193739c953358c865005855253af4f68a497John McCall ExtInfo withProducesResult(bool producesResult) const { 2584f85e193739c953358c865005855253af4f68a497John McCall if (producesResult) 2585f85e193739c953358c865005855253af4f68a497John McCall return ExtInfo(Bits | ProducesResultMask); 2586f85e193739c953358c865005855253af4f68a497John McCall else 2587f85e193739c953358c865005855253af4f68a497John McCall return ExtInfo(Bits & ~ProducesResultMask); 2588f85e193739c953358c865005855253af4f68a497John McCall } 2589f85e193739c953358c865005855253af4f68a497John McCall 2590425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola ExtInfo withRegParm(unsigned RegParm) const { 25917e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor assert(RegParm < 7 && "Invalid regparm value"); 2592f85e193739c953358c865005855253af4f68a497John McCall return ExtInfo((Bits & ~RegParmMask) | 25937e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor ((RegParm + 1) << RegParmOffset)); 2594264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2595264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2596264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withCallingConv(CallingConv cc) const { 2597b870b88df784c2940efce448ebfaf54dece14666John McCall return ExtInfo((Bits & ~CallConvMask) | (unsigned) cc); 2598264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2599264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2600e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall void Profile(llvm::FoldingSetNodeID &ID) const { 260171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ID.AddInteger(Bits); 260271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2603264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola }; 2604264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 26055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 2606e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionType(TypeClass tc, QualType res, bool variadic, 2607c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor unsigned typeQuals, RefQualifierKind RefQualifier, 2608c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor QualType Canonical, bool Dependent, 2609561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool InstantiationDependent, 2610d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool VariablyModified, bool ContainsUnexpandedParameterPack, 2611d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ExtInfo Info) 2612561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(tc, Canonical, Dependent, InstantiationDependent, VariablyModified, 2613d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ContainsUnexpandedParameterPack), 2614d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ResultType(res) { 2615b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.ExtInfo = Info.Bits; 2616e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionTypeBits.Variadic = variadic; 2617b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.TypeQuals = typeQuals; 2618c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor FunctionTypeBits.RefQualifier = static_cast<unsigned>(RefQualifier); 261971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2620e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall bool isVariadic() const { return FunctionTypeBits.Variadic; } 2621b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getTypeQuals() const { return FunctionTypeBits.TypeQuals; } 2622c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 2623c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RefQualifierKind getRefQualifier() const { 2624c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor return static_cast<RefQualifierKind>(FunctionTypeBits.RefQualifier); 2625c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor } 2626c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 26275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 26281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getResultType() const { return ResultType; } 2630a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman 2631a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman bool getHasRegParm() const { return getExtInfo().getHasRegParm(); } 2632b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getRegParmType() const { return getExtInfo().getRegParm(); } 2633b870b88df784c2940efce448ebfaf54dece14666John McCall bool getNoReturnAttr() const { return getExtInfo().getNoReturn(); } 2634b870b88df784c2940efce448ebfaf54dece14666John McCall CallingConv getCallConv() const { return getExtInfo().getCC(); } 2635b870b88df784c2940efce448ebfaf54dece14666John McCall ExtInfo getExtInfo() const { return ExtInfo(FunctionTypeBits.ExtInfo); } 26365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 26375291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// \brief Determine the type of an expression that calls a function of 26385291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// this type. 26395291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor QualType getCallResultType(ASTContext &Context) const { 26406398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor return getResultType().getNonLValueExprType(Context); 26415291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor } 26425291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 2643686775deca8b8685eb90801495880e3abdd844c2Chris Lattner static StringRef getNameForCallConv(CallingConv CC); 264404a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 26455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 26465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto || 26475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer T->getTypeClass() == FunctionProto; 26485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 26495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FunctionType *) { return true; } 26505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 26515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 265272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionNoProtoType - Represents a K&R-style 'int foo()' function, which has 26535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// no information available about its arguments. 265472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionNoProtoType : public FunctionType, public llvm::FoldingSetNode { 265571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall FunctionNoProtoType(QualType Result, QualType Canonical, ExtInfo Info) 2656c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor : FunctionType(FunctionNoProto, Result, false, 0, RQ_None, Canonical, 2657561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*Dependent=*/false, /*InstantiationDependent=*/false, 2658561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Result->isVariablyModifiedType(), 2659d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false, Info) {} 2660d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 26615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 266260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 26635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 26645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // No additional state past what FunctionType provides. 26651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2666bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2667bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2668bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 26695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 2670264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Profile(ID, getResultType(), getExtInfo()); 26715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 26722455636163fdd18581d7fdae816433f886d88213Mike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ResultType, 267371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo Info) { 267471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Info.Profile(ID); 26755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ResultType.getAsOpaquePtr()); 26765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 26771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 26795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto; 26805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 268172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionNoProtoType *) { return true; } 26825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 26835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 268472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionProtoType - Represents a prototype with argument type info, e.g. 26855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int foo(int)' or 'int foo(void)'. 'void' is represented as having no 2686465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// arguments, not as having a single void argument. Such a type can have an 2687465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// exception specification, but this specification is not part of the canonical 2688465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// type. 268972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionProtoType : public FunctionType, public llvm::FoldingSetNode { 2690e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCallpublic: 2691e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall /// ExtProtoInfo - Extra information about a function prototype. 2692e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall struct ExtProtoInfo { 2693e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall ExtProtoInfo() : 26948b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl Variadic(false), ExceptionSpecType(EST_None), TypeQuals(0), 2695f85e193739c953358c865005855253af4f68a497John McCall RefQualifier(RQ_None), NumExceptions(0), Exceptions(0), NoexceptExpr(0), 2696f85e193739c953358c865005855253af4f68a497John McCall ConsumedArguments(0) {} 2697e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 2698e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionType::ExtInfo ExtInfo; 2699e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall bool Variadic; 27008b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl ExceptionSpecificationType ExceptionSpecType; 2701e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall unsigned char TypeQuals; 2702c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RefQualifierKind RefQualifier; 2703e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall unsigned NumExceptions; 2704e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall const QualType *Exceptions; 27058b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl Expr *NoexceptExpr; 2706f85e193739c953358c865005855253af4f68a497John McCall const bool *ConsumedArguments; 2707e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall }; 2708e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 2709e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCallprivate: 2710d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Determine whether there are any argument types that 2711d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// contain an unexpanded parameter pack. 2712d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor static bool containsAnyUnexpandedParameterPack(const QualType *ArgArray, 2713d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned numArgs) { 2714d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor for (unsigned Idx = 0; Idx < numArgs; ++Idx) 2715d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor if (ArgArray[Idx]->containsUnexpandedParameterPack()) 2716d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return true; 2717d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2718d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return false; 2719d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 2720d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2721e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType(QualType result, const QualType *args, unsigned numArgs, 27228026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl QualType canonical, const ExtProtoInfo &epi); 2723465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 27245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// NumArgs - The number of arguments this function has, not counting '...'. 2725f85e193739c953358c865005855253af4f68a497John McCall unsigned NumArgs : 19; 2726465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2727465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// NumExceptions - The number of types in the exception spec, if any. 272860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl unsigned NumExceptions : 9; 2729465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 273060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// ExceptionSpecType - The type of exception specification this function has. 273160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl unsigned ExceptionSpecType : 3; 2732465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2733f85e193739c953358c865005855253af4f68a497John McCall /// HasAnyConsumedArgs - Whether this function has any consumed arguments. 2734f85e193739c953358c865005855253af4f68a497John McCall unsigned HasAnyConsumedArgs : 1; 2735f85e193739c953358c865005855253af4f68a497John McCall 2736942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// ArgInfo - There is an variable size array after the class in memory that 2737942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// holds the argument types. 2738465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2739465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// Exceptions - There is another variable size array after ArgInfo that 2740465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// holds the exception types. 2741465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 274260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// NoexceptExpr - Instead of Exceptions, there may be a single Expr* pointing 274360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// to the expression in the noexcept() specifier. 274460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl 2745f85e193739c953358c865005855253af4f68a497John McCall /// ConsumedArgs - A variable size array, following Exceptions 2746f85e193739c953358c865005855253af4f68a497John McCall /// and of length NumArgs, holding flags indicating which arguments 2747f85e193739c953358c865005855253af4f68a497John McCall /// are consumed. This only appears if HasAnyConsumedArgs is true. 2748f85e193739c953358c865005855253af4f68a497John McCall 27495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 27504b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 2751f85e193739c953358c865005855253af4f68a497John McCall const bool *getConsumedArgsBuffer() const { 2752f85e193739c953358c865005855253af4f68a497John McCall assert(hasAnyConsumedArgs()); 2753f85e193739c953358c865005855253af4f68a497John McCall 2754f85e193739c953358c865005855253af4f68a497John McCall // Find the end of the exceptions. 2755f85e193739c953358c865005855253af4f68a497John McCall Expr * const *eh_end = reinterpret_cast<Expr * const *>(arg_type_end()); 2756f85e193739c953358c865005855253af4f68a497John McCall if (getExceptionSpecType() != EST_ComputedNoexcept) 2757f85e193739c953358c865005855253af4f68a497John McCall eh_end += NumExceptions; 2758f85e193739c953358c865005855253af4f68a497John McCall else 2759f85e193739c953358c865005855253af4f68a497John McCall eh_end += 1; // NoexceptExpr 2760f85e193739c953358c865005855253af4f68a497John McCall 2761f85e193739c953358c865005855253af4f68a497John McCall return reinterpret_cast<const bool*>(eh_end); 2762f85e193739c953358c865005855253af4f68a497John McCall } 2763f85e193739c953358c865005855253af4f68a497John McCall 27645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 27655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 27665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgType(unsigned i) const { 27675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(i < NumArgs && "Invalid argument number!"); 2768942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return arg_type_begin()[i]; 27695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2770465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2771e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall ExtProtoInfo getExtProtoInfo() const { 2772e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall ExtProtoInfo EPI; 2773e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = getExtInfo(); 2774e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.Variadic = isVariadic(); 277560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.ExceptionSpecType = getExceptionSpecType(); 2776e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.TypeQuals = static_cast<unsigned char>(getTypeQuals()); 2777c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor EPI.RefQualifier = getRefQualifier(); 277860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EPI.ExceptionSpecType == EST_Dynamic) { 277960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.NumExceptions = NumExceptions; 278060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.Exceptions = exception_begin(); 278160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } else if (EPI.ExceptionSpecType == EST_ComputedNoexcept) { 278260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.NoexceptExpr = getNoexceptExpr(); 278360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 2784f85e193739c953358c865005855253af4f68a497John McCall if (hasAnyConsumedArgs()) 2785f85e193739c953358c865005855253af4f68a497John McCall EPI.ConsumedArguments = getConsumedArgsBuffer(); 2786e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return EPI; 2787e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall } 2788e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 278960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Get the kind of exception specification on this function. 279060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl ExceptionSpecificationType getExceptionSpecType() const { 279160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return static_cast<ExceptionSpecificationType>(ExceptionSpecType); 279260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 279360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Return whether this function has any kind of exception spec. 279460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl bool hasExceptionSpec() const { 279560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return getExceptionSpecType() != EST_None; 279660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 279760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Return whether this function has a dynamic (throw) exception spec. 279860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl bool hasDynamicExceptionSpec() const { 279960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return isDynamicExceptionSpec(getExceptionSpecType()); 280060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 2801fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner /// \brief Return whether this function has a noexcept exception spec. 280260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl bool hasNoexceptExceptionSpec() const { 280360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return isNoexceptExceptionSpec(getExceptionSpecType()); 280460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 280560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Result type of getNoexceptSpec(). 280660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl enum NoexceptResult { 280760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_NoNoexcept, ///< There is no noexcept specifier. 280860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_BadNoexcept, ///< The noexcept specifier has a bad expression. 280960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_Dependent, ///< The noexcept specifier is dependent. 281060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_Throw, ///< The noexcept specifier evaluates to false. 281160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_Nothrow ///< The noexcept specifier evaluates to true. 281260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl }; 281360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Get the meaning of the noexcept spec on this function, if any. 28148026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl NoexceptResult getNoexceptSpec(ASTContext &Ctx) const; 2815465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned getNumExceptions() const { return NumExceptions; } 2816465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl QualType getExceptionType(unsigned i) const { 2817465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(i < NumExceptions && "Invalid exception number!"); 2818465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin()[i]; 2819465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 282060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl Expr *getNoexceptExpr() const { 282160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (getExceptionSpecType() != EST_ComputedNoexcept) 282260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return 0; 282360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl // NoexceptExpr sits where the arguments end. 282460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return *reinterpret_cast<Expr *const *>(arg_type_end()); 2825d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson } 28268026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl bool isNothrow(ASTContext &Ctx) const { 282760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl ExceptionSpecificationType EST = getExceptionSpecType(); 28287a614d8380297fcd2bc23986241905d97222948cRichard Smith assert(EST != EST_Delayed); 282960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EST == EST_DynamicNone || EST == EST_BasicNoexcept) 283060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return true; 283160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EST != EST_ComputedNoexcept) 283260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return false; 28338026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl return getNoexceptSpec(Ctx) == NR_Nothrow; 2834c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall } 2835c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall 2836e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall using FunctionType::isVariadic; 283760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl 2838f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// \brief Determines whether this function prototype contains a 2839f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// parameter pack at the end. 2840f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// 2841f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// A function template whose last parameter is a parameter pack can be 2842f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// called with an arbitrary number of arguments, much like a variadic 2843f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// function. However, 2844f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor bool isTemplateVariadic() const; 2845f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor 2846971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned getTypeQuals() const { return FunctionType::getTypeQuals(); } 28471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2848c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 2849c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief Retrieve the ref-qualifier associated with this function type. 2850c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RefQualifierKind getRefQualifier() const { 2851c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor return FunctionType::getRefQualifier(); 2852c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor } 2853c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 28545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef const QualType *arg_type_iterator; 2855942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_begin() const { 2856942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return reinterpret_cast<const QualType *>(this+1); 2857942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner } 2858942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_end() const { return arg_type_begin()+NumArgs; } 2859465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2860465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl typedef const QualType *exception_iterator; 2861465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_begin() const { 2862465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // exceptions begin where arguments end 2863465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return arg_type_end(); 2864465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2865465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_end() const { 286660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (getExceptionSpecType() != EST_Dynamic) 286760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return exception_begin(); 2868465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin() + NumExceptions; 2869465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2870465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2871f85e193739c953358c865005855253af4f68a497John McCall bool hasAnyConsumedArgs() const { 2872f85e193739c953358c865005855253af4f68a497John McCall return HasAnyConsumedArgs; 2873f85e193739c953358c865005855253af4f68a497John McCall } 2874f85e193739c953358c865005855253af4f68a497John McCall bool isArgConsumed(unsigned I) const { 2875f85e193739c953358c865005855253af4f68a497John McCall assert(I < getNumArgs() && "argument index out of range!"); 2876f85e193739c953358c865005855253af4f68a497John McCall if (hasAnyConsumedArgs()) 2877f85e193739c953358c865005855253af4f68a497John McCall return getConsumedArgsBuffer()[I]; 2878f85e193739c953358c865005855253af4f68a497John McCall return false; 2879f85e193739c953358c865005855253af4f68a497John McCall } 2880f85e193739c953358c865005855253af4f68a497John McCall 2881bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2882bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2883bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 28845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 28855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionProto; 28865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 288772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionProtoType *) { return true; } 2888465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 28898026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Ctx); 28905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Result, 2891942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator ArgTys, unsigned NumArgs, 28928026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl const ExtProtoInfo &EPI, const ASTContext &Context); 28935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 28945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 28955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2896ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// \brief Represents the dependent type named by a dependently-scoped 2897ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// typename using declaration, e.g. 2898ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// using typename Base<T>::foo; 2899ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// Template instantiation turns these into the underlying type. 2900ed97649e9574b9d854fa4d6109c9333ae0993554John McCallclass UnresolvedUsingType : public Type { 2901ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *Decl; 2902ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 290319c8576b7328f4dc2d07682f5da552875c1912efJohn McCall UnresolvedUsingType(const UnresolvedUsingTypenameDecl *D) 2904561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(UnresolvedUsing, QualType(), true, true, false, 2905d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 290619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall Decl(const_cast<UnresolvedUsingTypenameDecl*>(D)) {} 2907ed97649e9574b9d854fa4d6109c9333ae0993554John McCall friend class ASTContext; // ASTContext creates these. 2908ed97649e9574b9d854fa4d6109c9333ae0993554John McCallpublic: 2909ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2910ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *getDecl() const { return Decl; } 2911ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2912ed97649e9574b9d854fa4d6109c9333ae0993554John McCall bool isSugared() const { return false; } 2913ed97649e9574b9d854fa4d6109c9333ae0993554John McCall QualType desugar() const { return QualType(this, 0); } 2914ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2915ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const Type *T) { 2916ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return T->getTypeClass() == UnresolvedUsing; 2917ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2918ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const UnresolvedUsingType *) { return true; } 2919ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2920ed97649e9574b9d854fa4d6109c9333ae0993554John McCall void Profile(llvm::FoldingSetNodeID &ID) { 2921ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Profile(ID, Decl); 2922ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2923ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static void Profile(llvm::FoldingSetNodeID &ID, 2924ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *D) { 2925ed97649e9574b9d854fa4d6109c9333ae0993554John McCall ID.AddPointer(D); 2926ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2927ed97649e9574b9d854fa4d6109c9333ae0993554John McCall}; 2928ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2929ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 29305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TypedefType : public Type { 2931162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypedefNameDecl *Decl; 2932c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanianprotected: 2933162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypedefType(TypeClass tc, const TypedefNameDecl *D, QualType can) 2934561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(tc, can, can->isDependentType(), 2935561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor can->isInstantiationDependentType(), 2936561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor can->isVariablyModifiedType(), 2937d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 2938162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Decl(const_cast<TypedefNameDecl*>(D)) { 29395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isa<TypedefType>(can) && "Invalid canonical type"); 29405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 29415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 29425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 29431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2944162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypedefNameDecl *getDecl() const { return Decl; } 29451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2946bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2947bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 2948bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 294972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == Typedef; } 29505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TypedefType *) { return true; } 29515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 29525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 295372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType (GCC extension). 295472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass TypeOfExprType : public Type { 2955d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *TOExpr; 29561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2957b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorprotected: 2958dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType(Expr *E, QualType can = QualType()); 2959d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 2960d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 2961d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *getUnderlyingExpr() const { return TOExpr; } 29621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2963bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2964bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 2965bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2966bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 29676af9f3ca25157379efd5c1caad82e9d01c17b9ffDouglas Gregor bool isSugared() const; 2968bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 296972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOfExpr; } 297072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const TypeOfExprType *) { return true; } 2971d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 2972d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 2973c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 29741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typeof(expr) types. 2975c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 2976c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 2977c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 2978c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via TypeOfExprType nodes. 29791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass DependentTypeOfExprType 2980b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : public TypeOfExprType, public llvm::FoldingSetNode { 29814ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 29821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2983b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorpublic: 29844ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentTypeOfExprType(const ASTContext &Context, Expr *E) 2985b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : TypeOfExprType(E), Context(Context) { } 29861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2987b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2988b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 2989b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 29901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29914ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 2992b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Expr *E); 2993b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor}; 29941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2995d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff/// TypeOfType (GCC extension). 2996d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffclass TypeOfType : public Type { 2997d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType TOType; 29981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TypeOfType(QualType T, QualType can) 2999561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(TypeOf, can, T->isDependentType(), 3000561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor T->isInstantiationDependentType(), 3001561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor T->isVariablyModifiedType(), 3002d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor T->containsUnexpandedParameterPack()), 300335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor TOType(T) { 3004d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff assert(!isa<TypedefType>(can) && "Invalid canonical type"); 3005d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff } 3006d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 3007d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 3008d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getUnderlyingType() const { return TOType; } 30091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3010bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 3011bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 3012bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3013bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 3014bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 3015bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 301672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOf; } 3017d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff static bool classof(const TypeOfType *) { return true; } 3018d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 30195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3020395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType (C++0x) 3021395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonclass DecltypeType : public Type { 3022395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *E; 30231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3024563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // FIXME: We could get rid of UnderlyingType if we wanted to: We would have to 3025563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // Move getDesugaredType to ASTContext so that it can call getDecltypeForExpr 3026563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // from it. 3027563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType UnderlyingType; 30281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30299d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorprotected: 3030563a03b1338d31c2462def43253a722bc885d384Anders Carlsson DecltypeType(Expr *E, QualType underlyingType, QualType can = QualType()); 3031395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson friend class ASTContext; // ASTContext creates these. 3032395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonpublic: 3033395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *getUnderlyingExpr() const { return E; } 3034563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType getUnderlyingType() const { return UnderlyingType; } 3035563a03b1338d31c2462def43253a722bc885d384Anders Carlsson 3036bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 30376af9f3ca25157379efd5c1caad82e9d01c17b9ffDouglas Gregor QualType desugar() const; 3038bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3039bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 30406af9f3ca25157379efd5c1caad82e9d01c17b9ffDouglas Gregor bool isSugared() const; 3041bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3042395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const Type *T) { return T->getTypeClass() == Decltype; } 3043395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const DecltypeType *) { return true; } 3044395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson}; 30451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3046c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 3047c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// decltype(expr) types. 3048c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 3049c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 3050c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 3051c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via DecltypeType nodes. 30529d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorclass DependentDecltypeType : public DecltypeType, public llvm::FoldingSetNode { 30534ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 30541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30559d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorpublic: 30564ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentDecltypeType(const ASTContext &Context, Expr *E); 30571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30589d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 30599d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 30609d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 30611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30624ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 30631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *E); 30649d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor}; 30651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3066ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt/// \brief A unary type transform, which is a type constructed from another 3067ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntclass UnaryTransformType : public Type { 3068ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntpublic: 3069ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt enum UTTKind { 3070ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt EnumUnderlyingType 3071ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt }; 3072ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3073ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntprivate: 3074ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt /// The untransformed type. 3075ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType BaseType; 3076ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt /// The transformed type if not dependent, otherwise the same as BaseType. 3077ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType UnderlyingType; 3078ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3079ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UTTKind UKind; 3080ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntprotected: 3081ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UnaryTransformType(QualType BaseTy, QualType UnderlyingTy, UTTKind UKind, 3082ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType CanonicalTy); 3083ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt friend class ASTContext; 3084ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntpublic: 3085ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt bool isSugared() const { return !isDependentType(); } 3086ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType desugar() const { return UnderlyingType; } 3087ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3088ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType getUnderlyingType() const { return UnderlyingType; } 3089ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType getBaseType() const { return BaseType; } 3090ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3091ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UTTKind getUTTKind() const { return UKind; } 3092ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3093ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt static bool classof(const Type *T) { 3094ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt return T->getTypeClass() == UnaryTransform; 3095ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt } 3096ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt static bool classof(const UnaryTransformType *) { return true; } 3097ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt}; 3098ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 30995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TagType : public Type { 3100ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// Stores the TagDecl associated with this type. The decl may point to any 3101ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// TagDecl that declares the entity. 3102ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl * decl; 31032ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 31042ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregorprotected: 310519c8576b7328f4dc2d07682f5da552875c1912efJohn McCall TagType(TypeClass TC, const TagDecl *D, QualType can); 31062ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 31071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 3108ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl *getDecl() const; 31091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31100b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor /// @brief Determines whether this type is in the process of being 31111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// defined. 3112ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl bool isBeingDefined() const; 31130b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 31141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 311572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return T->getTypeClass() >= TagFirst && T->getTypeClass() <= TagLast; 311672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor } 31175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TagType *) { return true; } 311872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const RecordType *) { return true; } 311972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const EnumType *) { return true; } 31205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 31215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 31225edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// RecordType - This is a helper class that allows the use of isa/cast/dyncast 31235edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of structs/unions/classes. 31245edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass RecordType : public TagType { 312549aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidisprotected: 312619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit RecordType(const RecordDecl *D) 312719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Record, reinterpret_cast<const TagDecl*>(D), QualType()) { } 312872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor explicit RecordType(TypeClass TC, RecordDecl *D) 312919c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(TC, reinterpret_cast<const TagDecl*>(D), QualType()) { } 31302ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 31315edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 31321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31335edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner RecordDecl *getDecl() const { 31345edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<RecordDecl*>(TagType::getDecl()); 31355edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 31361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // FIXME: This predicate is a helper to QualType/Type. It needs to 31385edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // recursively check all fields for const-ness. If any field is declared 31391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // const, it needs to return false. 31405edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner bool hasConstFields() const { return false; } 31415edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 3142bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3143bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3144bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 31452daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 31462daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 31472daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 31482daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 31495edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const RecordType *) { return true; } 31505edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 31515edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 31525edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// EnumType - This is a helper class that allows the use of isa/cast/dyncast 31535edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of enums. 31545edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass EnumType : public TagType { 315519c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit EnumType(const EnumDecl *D) 315619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Enum, reinterpret_cast<const TagDecl*>(D), QualType()) { } 31572ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 31585edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 31591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31605edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner EnumDecl *getDecl() const { 31615edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<EnumDecl*>(TagType::getDecl()); 31625edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 31631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3164bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3165bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3166bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 31672daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 31682daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 31692daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 31702daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 31715edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const EnumType *) { return true; } 31725edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 31735edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 31749d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// AttributedType - An attributed type is a type to which a type 31759d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// attribute has been applied. The "modified type" is the 31769d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// fully-sugared type to which the attributed type was applied; 31779d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// generally it is not canonically equivalent to the attributed type. 31789d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// The "equivalent type" is the minimally-desugared type which the 31799d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// type is canonically equivalent to. 31809d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// 31819d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// For example, in the following attributed type: 31829d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// int32_t __attribute__((vector_size(16))) 31839d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// - the modified type is the TypedefType for int32_t 31849d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// - the equivalent type is VectorType(16, int32_t) 31859d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// - the canonical type is VectorType(16, int) 31869d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallclass AttributedType : public Type, public llvm::FoldingSetNode { 31879d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallpublic: 31889d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // It is really silly to have yet another attribute-kind enum, but 31899d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // clang::attr::Kind doesn't currently cover the pure type attrs. 31909d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall enum Kind { 31919d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // Expression operand. 3192170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_address_space, 3193170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_regparm, 3194170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_vector_size, 3195170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_neon_vector_type, 3196170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_neon_polyvector_type, 31979d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 3198170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet FirstExprOperandKind = attr_address_space, 3199170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet LastExprOperandKind = attr_neon_polyvector_type, 32009d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32019d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // Enumerated operand (string or keyword). 3202170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_objc_gc, 3203b8b0313e84700b5c6d597b3be4de41c97b7550f1Argyrios Kyrtzidis attr_objc_ownership, 3204414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov attr_pcs, 32059d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 3206170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet FirstEnumOperandKind = attr_objc_gc, 3207414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov LastEnumOperandKind = attr_pcs, 32089d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32099d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // No operand. 32103cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_noreturn, 32113cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_cdecl, 32123cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_fastcall, 32133cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_stdcall, 32143cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_thiscall, 32153cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_pascal 32169d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall }; 32179d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32189d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallprivate: 32199d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType ModifiedType; 32209d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType EquivalentType; 32219d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32229d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall friend class ASTContext; // creates these 32239d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32249d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType(QualType canon, Kind attrKind, 32259d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType modified, QualType equivalent) 32269d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall : Type(Attributed, canon, canon->isDependentType(), 3227561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor canon->isInstantiationDependentType(), 32289d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall canon->isVariablyModifiedType(), 32299d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall canon->containsUnexpandedParameterPack()), 32309d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ModifiedType(modified), EquivalentType(equivalent) { 32319d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedTypeBits.AttrKind = attrKind; 32329d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 32339d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32349d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallpublic: 32359d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall Kind getAttrKind() const { 32369d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return static_cast<Kind>(AttributedTypeBits.AttrKind); 32379d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 32389d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32399d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType getModifiedType() const { return ModifiedType; } 32409d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType getEquivalentType() const { return EquivalentType; } 32419d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32429d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall bool isSugared() const { return true; } 32439d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType desugar() const { return getEquivalentType(); } 32449d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32459d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 32469d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall Profile(ID, getAttrKind(), ModifiedType, EquivalentType); 32479d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 32489d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32499d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, Kind attrKind, 32509d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType modified, QualType equivalent) { 32519d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ID.AddInteger(attrKind); 32529d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ID.AddPointer(modified.getAsOpaquePtr()); 32539d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ID.AddPointer(equivalent.getAsOpaquePtr()); 32549d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 32559d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32569d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall static bool classof(const Type *T) { 32579d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return T->getTypeClass() == Attributed; 32589d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 32599d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall static bool classof(const AttributedType *T) { return true; } 32609d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall}; 32619d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 3262fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorclass TemplateTypeParmType : public Type, public llvm::FoldingSetNode { 32634fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth // Helper data collector for canonical types. 32644fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth struct CanonicalTTPTInfo { 32654fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned Depth : 15; 32664fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned ParameterPack : 1; 32674fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned Index : 16; 32684fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth }; 32694fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth 32704fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth union { 32714fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth // Info for the canonical type. 32724fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth CanonicalTTPTInfo CanTTPTInfo; 32734fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth // Info for the non-canonical type. 32744fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmDecl *TTPDecl; 32754fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth }; 327672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 32774fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth /// Build a non-canonical type. 32784fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmType(TemplateTypeParmDecl *TTPDecl, QualType Canon) 327935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(TemplateTypeParm, Canon, /*Dependent=*/true, 3280561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 32814fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth /*VariablyModified=*/false, 32825d65e34b08b3e57a4da834195757d0d15baaffd0Chandler Carruth Canon->containsUnexpandedParameterPack()), 32834fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TTPDecl(TTPDecl) { } 328472c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 32854fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth /// Build the canonical type. 32861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType(unsigned D, unsigned I, bool PP) 3287561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(TemplateTypeParm, QualType(this, 0), 3288561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*Dependent=*/true, 3289561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 32904fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth /*VariablyModified=*/false, PP) { 32914fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth CanTTPTInfo.Depth = D; 32924fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth CanTTPTInfo.Index = I; 32934fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth CanTTPTInfo.ParameterPack = PP; 32944fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth } 329572c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 3296fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor friend class ASTContext; // ASTContext creates these 329772c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 32984fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth const CanonicalTTPTInfo& getCanTTPTInfo() const { 32994fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth QualType Can = getCanonicalTypeInternal(); 33005d65e34b08b3e57a4da834195757d0d15baaffd0Chandler Carruth return Can->castAs<TemplateTypeParmType>()->CanTTPTInfo; 33014fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth } 33024fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth 3303fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorpublic: 33044fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned getDepth() const { return getCanTTPTInfo().Depth; } 33054fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned getIndex() const { return getCanTTPTInfo().Index; } 33064fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth bool isParameterPack() const { return getCanTTPTInfo().ParameterPack; } 33074fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth 33084fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmDecl *getDecl() const { 33094fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth return isCanonicalUnqualified() ? 0 : TTPDecl; 33104fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth } 33114fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth 3312b7efff4bae117604f442bb6859c844f90b15f3ffChandler Carruth IdentifierInfo *getIdentifier() const; 33131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3314bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3315bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3316bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3317fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 33184fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth Profile(ID, getDepth(), getIndex(), isParameterPack(), getDecl()); 3319fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 3320fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 33211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, unsigned Depth, 33221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned Index, bool ParameterPack, 33234fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmDecl *TTPDecl) { 3324fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Depth); 3325fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Index); 332676e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson ID.AddBoolean(ParameterPack); 33274fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth ID.AddPointer(TTPDecl); 3328fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 3329fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 33301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 33311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateTypeParm; 333272c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor } 333372c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor static bool classof(const TemplateTypeParmType *T) { return true; } 333472c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor}; 3335fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 333649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Represents the result of substituting a type for a template 333749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type parameter. 333849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// 333949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// Within an instantiated template, all template type parameters have 334049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// been replaced with these. They are used solely to record that a 334149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type was originally written as a template type parameter; 334249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// therefore they are never canonical. 334349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallclass SubstTemplateTypeParmType : public Type, public llvm::FoldingSetNode { 334449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall // The original type parameter. 334549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced; 334649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 334749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(const TemplateTypeParmType *Param, QualType Canon) 334835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(SubstTemplateTypeParm, Canon, Canon->isDependentType(), 3349561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Canon->isInstantiationDependentType(), 3350d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Canon->isVariablyModifiedType(), 3351d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Canon->containsUnexpandedParameterPack()), 335249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Replaced(Param) { } 335349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 335449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall friend class ASTContext; 335549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 335649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallpublic: 335749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the template parameter that was substituted for. 335849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *getReplacedParameter() const { 335949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return Replaced; 336049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 336149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 336249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the type that was substituted for the template 336349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// parameter. 336449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType getReplacementType() const { 336549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getCanonicalTypeInternal(); 336649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 336749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 336849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall bool isSugared() const { return true; } 336949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType desugar() const { return getReplacementType(); } 337049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 337149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 337249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Profile(ID, getReplacedParameter(), getReplacementType()); 337349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 337449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, 337549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced, 337649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 337749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replaced); 337849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replacement.getAsOpaquePtr()); 337949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 338049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 338149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const Type *T) { 338249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return T->getTypeClass() == SubstTemplateTypeParm; 338349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 338449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const SubstTemplateTypeParmType *T) { return true; } 338549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall}; 338649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 3387c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// \brief Represents the result of substituting a set of types for a template 3388c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// type parameter pack. 3389c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// 3390c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// When a pack expansion in the source code contains multiple parameter packs 3391c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// and those parameter packs correspond to different levels of template 3392c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// parameter lists, this type node is used to represent a template type 3393c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// parameter pack from an outer level, which has already had its argument pack 3394c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// substituted but that still lives within a pack expansion that itself 3395c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// could not be instantiated. When actually performing a substitution into 3396c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// that pack expansion (e.g., when all template parameters have corresponding 3397c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// arguments), this type will be replaced with the \c SubstTemplateTypeParmType 3398c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// at the current pack substitution index. 3399c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregorclass SubstTemplateTypeParmPackType : public Type, public llvm::FoldingSetNode { 3400c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// \brief The original type parameter. 3401c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *Replaced; 3402c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3403c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// \brief A pointer to the set of template arguments that this 3404c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// parameter pack is instantiated with. 3405c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument *Arguments; 3406c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3407c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// \brief The number of template arguments in \c Arguments. 3408c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor unsigned NumArguments; 3409c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3410c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType(const TemplateTypeParmType *Param, 3411c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor QualType Canon, 3412c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument &ArgPack); 3413c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3414c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor friend class ASTContext; 3415c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3416c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregorpublic: 3417b7efff4bae117604f442bb6859c844f90b15f3ffChandler Carruth IdentifierInfo *getIdentifier() const { return Replaced->getIdentifier(); } 3418c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3419c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// Gets the template parameter that was substituted for. 3420c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *getReplacedParameter() const { 3421c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return Replaced; 3422c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 3423c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3424c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor bool isSugared() const { return false; } 3425c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor QualType desugar() const { return QualType(this, 0); } 3426c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3427c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor TemplateArgument getArgumentPack() const; 3428c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3429c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID); 3430c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, 3431c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *Replaced, 3432c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument &ArgPack); 3433c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3434c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor static bool classof(const Type *T) { 3435c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return T->getTypeClass() == SubstTemplateTypeParmPack; 3436c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 3437c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor static bool classof(const SubstTemplateTypeParmPackType *T) { return true; } 3438c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor}; 3439c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 344034b41d939a1328f484511c6002ba2456db879a29Richard Smith/// \brief Represents a C++0x auto type. 344134b41d939a1328f484511c6002ba2456db879a29Richard Smith/// 344234b41d939a1328f484511c6002ba2456db879a29Richard Smith/// These types are usually a placeholder for a deduced type. However, within 344334b41d939a1328f484511c6002ba2456db879a29Richard Smith/// templates and before the initializer is attached, there is no deduced type 344434b41d939a1328f484511c6002ba2456db879a29Richard Smith/// and an auto type is type-dependent and canonical. 344534b41d939a1328f484511c6002ba2456db879a29Richard Smithclass AutoType : public Type, public llvm::FoldingSetNode { 344634b41d939a1328f484511c6002ba2456db879a29Richard Smith AutoType(QualType DeducedType) 344734b41d939a1328f484511c6002ba2456db879a29Richard Smith : Type(Auto, DeducedType.isNull() ? QualType(this, 0) : DeducedType, 344834b41d939a1328f484511c6002ba2456db879a29Richard Smith /*Dependent=*/DeducedType.isNull(), 3449561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/DeducedType.isNull(), 345034b41d939a1328f484511c6002ba2456db879a29Richard Smith /*VariablyModified=*/false, /*ContainsParameterPack=*/false) { 345134b41d939a1328f484511c6002ba2456db879a29Richard Smith assert((DeducedType.isNull() || !DeducedType->isDependentType()) && 345234b41d939a1328f484511c6002ba2456db879a29Richard Smith "deduced a dependent type for auto"); 345334b41d939a1328f484511c6002ba2456db879a29Richard Smith } 345434b41d939a1328f484511c6002ba2456db879a29Richard Smith 345534b41d939a1328f484511c6002ba2456db879a29Richard Smith friend class ASTContext; // ASTContext creates these 345634b41d939a1328f484511c6002ba2456db879a29Richard Smith 345734b41d939a1328f484511c6002ba2456db879a29Richard Smithpublic: 345834b41d939a1328f484511c6002ba2456db879a29Richard Smith bool isSugared() const { return isDeduced(); } 345934b41d939a1328f484511c6002ba2456db879a29Richard Smith QualType desugar() const { return getCanonicalTypeInternal(); } 346034b41d939a1328f484511c6002ba2456db879a29Richard Smith 346134b41d939a1328f484511c6002ba2456db879a29Richard Smith QualType getDeducedType() const { 346234b41d939a1328f484511c6002ba2456db879a29Richard Smith return isDeduced() ? getCanonicalTypeInternal() : QualType(); 346334b41d939a1328f484511c6002ba2456db879a29Richard Smith } 346434b41d939a1328f484511c6002ba2456db879a29Richard Smith bool isDeduced() const { 346534b41d939a1328f484511c6002ba2456db879a29Richard Smith return !isDependentType(); 346634b41d939a1328f484511c6002ba2456db879a29Richard Smith } 346734b41d939a1328f484511c6002ba2456db879a29Richard Smith 346834b41d939a1328f484511c6002ba2456db879a29Richard Smith void Profile(llvm::FoldingSetNodeID &ID) { 346934b41d939a1328f484511c6002ba2456db879a29Richard Smith Profile(ID, getDeducedType()); 347034b41d939a1328f484511c6002ba2456db879a29Richard Smith } 347134b41d939a1328f484511c6002ba2456db879a29Richard Smith 347234b41d939a1328f484511c6002ba2456db879a29Richard Smith static void Profile(llvm::FoldingSetNodeID &ID, 347334b41d939a1328f484511c6002ba2456db879a29Richard Smith QualType Deduced) { 347434b41d939a1328f484511c6002ba2456db879a29Richard Smith ID.AddPointer(Deduced.getAsOpaquePtr()); 347534b41d939a1328f484511c6002ba2456db879a29Richard Smith } 347634b41d939a1328f484511c6002ba2456db879a29Richard Smith 347734b41d939a1328f484511c6002ba2456db879a29Richard Smith static bool classof(const Type *T) { 347834b41d939a1328f484511c6002ba2456db879a29Richard Smith return T->getTypeClass() == Auto; 347934b41d939a1328f484511c6002ba2456db879a29Richard Smith } 348034b41d939a1328f484511c6002ba2456db879a29Richard Smith static bool classof(const AutoType *T) { return true; } 348134b41d939a1328f484511c6002ba2456db879a29Richard Smith}; 348234b41d939a1328f484511c6002ba2456db879a29Richard Smith 34831901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// \brief Represents a type template specialization; the template 34841901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// must be a class template, a type alias template, or a template 34851901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// template parameter. A template which cannot be resolved to one of 34861901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// these, e.g. because it is written with a dependent scope 34871901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// specifier, is instead represented as a 34881901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// @c DependentTemplateSpecializationType. 348955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// 34901901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// A non-dependent template specialization type is always "sugar", 34911901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// typically for a @c RecordType. For example, a class template 34921901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// specialization type of @c vector<int> will refer to a tag type for 34931901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// the instantiation @c std::vector<int, std::allocator<int>> 34947532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// 34951901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// Template specializations are dependent if either the template or 34961901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// any of the template arguments are dependent, in which case the 34971901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// type may also be canonical. 34983e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith/// 34991901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// Instances of this type are allocated with a trailing array of 35001901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// TemplateArguments, followed by a QualType representing the 35011901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// non-canonical aliased type when the template is a type alias 35021901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// template. 35031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass TemplateSpecializationType 350455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor : public Type, public llvm::FoldingSetNode { 35051901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall /// \brief The name of the template being specialized. This is 35061901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall /// either a TemplateName::Template (in which case it is a 35071901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall /// ClassTemplateDecl*, a TemplateTemplateParmDecl*, or a 3508146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall /// TypeAliasTemplateDecl*), a 3509146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall /// TemplateName::SubstTemplateTemplateParmPack, or a 3510146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall /// TemplateName::SubstTemplateTemplateParm (in which case the 3511146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall /// replacement must, recursively, be one of these). 35127532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Template; 351355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 351440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief - The number of template arguments named in this class 351540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// template specialization. 351655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned NumArgs; 351755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 3518ef99001908e799c388f1363b1e607dad5f5b57d3John McCall TemplateSpecializationType(TemplateName T, 35197532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 35203e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith unsigned NumArgs, QualType Canon, 35213e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Aliased); 352255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 352355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor friend class ASTContext; // ASTContext creates these 352455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 352555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregorpublic: 352640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Determine whether any of the given template arguments are 352740808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// dependent. 352840808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor static bool anyDependentTemplateArguments(const TemplateArgument *Args, 3529561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor unsigned NumArgs, 3530561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool &InstantiationDependent); 353140808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 3532833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static bool anyDependentTemplateArguments(const TemplateArgumentLoc *Args, 3533561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor unsigned NumArgs, 3534561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool &InstantiationDependent); 3535833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 3536561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor static bool anyDependentTemplateArguments(const TemplateArgumentListInfo &, 3537561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool &InstantiationDependent); 3538d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 3539df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// \brief Print a template argument list, including the '<' and '>' 3540df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// enclosing the template arguments. 3541df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor static std::string PrintTemplateArgumentList(const TemplateArgument *Args, 3542d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned NumArgs, 3543dace95b13e2ceb0c3ec8de6babd926dc5114e1e5Douglas Gregor const PrintingPolicy &Policy, 3544dace95b13e2ceb0c3ec8de6babd926dc5114e1e5Douglas Gregor bool SkipBrackets = false); 3545df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor 3546833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static std::string PrintTemplateArgumentList(const TemplateArgumentLoc *Args, 3547833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs, 3548833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const PrintingPolicy &Policy); 3549833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 3550d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static std::string PrintTemplateArgumentList(const TemplateArgumentListInfo &, 3551d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const PrintingPolicy &Policy); 3552d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 355331f17ecbef57b5679c017c375db330546b7b5145John McCall /// True if this template specialization type matches a current 355431f17ecbef57b5679c017c375db330546b7b5145John McCall /// instantiation in the context in which it is found. 355531f17ecbef57b5679c017c375db330546b7b5145John McCall bool isCurrentInstantiation() const { 355671d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall return isa<InjectedClassNameType>(getCanonicalTypeInternal()); 355731f17ecbef57b5679c017c375db330546b7b5145John McCall } 355831f17ecbef57b5679c017c375db330546b7b5145John McCall 35593e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith /// True if this template specialization type is for a type alias 35603e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith /// template. 35613e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith bool isTypeAlias() const; 35623e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith /// Get the aliased type, if this is a specialization of a type alias 35633e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith /// template. 35643e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType getAliasedType() const { 35653e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith assert(isTypeAlias() && "not a type alias template specialization"); 35663e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return *reinterpret_cast<const QualType*>(end()); 35673e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 35683e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 356940808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor typedef const TemplateArgument * iterator; 357040808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 357140808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor iterator begin() const { return getArgs(); } 357233500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // defined inline in TemplateBase.h 357340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 35747532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor /// \brief Retrieve the name of the template that we are specializing. 35757532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName getTemplateName() const { return Template; } 357655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 357740808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the template arguments. 35781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const TemplateArgument *getArgs() const { 357940808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor return reinterpret_cast<const TemplateArgument *>(this + 1); 358040808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor } 358140808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 358240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the number of template arguments. 358355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned getNumArgs() const { return NumArgs; } 358455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 358555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \brief Retrieve a specific template argument as a type. 358655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \precondition @c isArgType(Arg) 358733500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 358855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 358931f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { 35903e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return !isDependentType() || isCurrentInstantiation() || isTypeAlias(); 359131f17ecbef57b5679c017c375db330546b7b5145John McCall } 3592bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getCanonicalTypeInternal(); } 3593bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 35944ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Ctx) { 359571d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall Profile(ID, Template, getArgs(), NumArgs, Ctx); 35963e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (isTypeAlias()) 35973e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith getAliasedType().Profile(ID); 359855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 359955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 36007532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, TemplateName T, 360131f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateArgument *Args, 360231f17ecbef57b5679c017c375db330546b7b5145John McCall unsigned NumArgs, 36034ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context); 360455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 36051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 36061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateSpecialization; 360755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 36087532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static bool classof(const TemplateSpecializationType *T) { return true; } 360955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor}; 361055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 361131f17ecbef57b5679c017c375db330546b7b5145John McCall/// \brief The injected class name of a C++ class template or class 361231f17ecbef57b5679c017c375db330546b7b5145John McCall/// template partial specialization. Used to record that a type was 361331f17ecbef57b5679c017c375db330546b7b5145John McCall/// spelled with a bare identifier rather than as a template-id; the 361431f17ecbef57b5679c017c375db330546b7b5145John McCall/// equivalent for non-templated classes is just RecordType. 36153cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 361631f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always dependent. Template 361731f17ecbef57b5679c017c375db330546b7b5145John McCall/// instantiation turns these into RecordTypes. 36183cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 361931f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always canonical. This works 362031f17ecbef57b5679c017c375db330546b7b5145John McCall/// because it is impossible to compare an injected class name type 362131f17ecbef57b5679c017c375db330546b7b5145John McCall/// with the corresponding non-injected template type, for the same 362231f17ecbef57b5679c017c375db330546b7b5145John McCall/// reason that it is impossible to directly compare template 362331f17ecbef57b5679c017c375db330546b7b5145John McCall/// parameters from different dependent contexts: injected class name 362431f17ecbef57b5679c017c375db330546b7b5145John McCall/// types can only occur within the scope of a particular templated 362531f17ecbef57b5679c017c375db330546b7b5145John McCall/// declaration, and within that scope every template specialization 362631f17ecbef57b5679c017c375db330546b7b5145John McCall/// will canonicalize to the injected class name (when appropriate 362731f17ecbef57b5679c017c375db330546b7b5145John McCall/// according to the rules of the language). 36283cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallclass InjectedClassNameType : public Type { 36293cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall CXXRecordDecl *Decl; 36303cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 363131f17ecbef57b5679c017c375db330546b7b5145John McCall /// The template specialization which this type represents. 363231f17ecbef57b5679c017c375db330546b7b5145John McCall /// For example, in 363331f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class T> class A { ... }; 363431f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<T>, whereas in 363531f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class X, class Y> class A<B<X,Y> > { ... }; 363631f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<B<X,Y> >. 363731f17ecbef57b5679c017c375db330546b7b5145John McCall /// 363831f17ecbef57b5679c017c375db330546b7b5145John McCall /// It is always unqualified, always a template specialization type, 363931f17ecbef57b5679c017c375db330546b7b5145John McCall /// and always dependent. 364031f17ecbef57b5679c017c375db330546b7b5145John McCall QualType InjectedType; 36413cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 36423cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall friend class ASTContext; // ASTContext creates these. 3643c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; // FIXME: ASTContext::getInjectedClassNameType is not 3644c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl // currently suitable for AST reading, too much 364543921b53b582145f0d1b7c48223bd4d9f0a9d1beArgyrios Kyrtzidis // interdependencies. 364631f17ecbef57b5679c017c375db330546b7b5145John McCall InjectedClassNameType(CXXRecordDecl *D, QualType TST) 364735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(InjectedClassName, QualType(), /*Dependent=*/true, 3648561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 3649d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, 3650d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 365131f17ecbef57b5679c017c375db330546b7b5145John McCall Decl(D), InjectedType(TST) { 36523cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<TemplateSpecializationType>(TST)); 36533cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(!TST.hasQualifiers()); 365431f17ecbef57b5679c017c375db330546b7b5145John McCall assert(TST->isDependentType()); 36553cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 36563cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 36573cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallpublic: 365831f17ecbef57b5679c017c375db330546b7b5145John McCall QualType getInjectedSpecializationType() const { return InjectedType; } 365931f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateSpecializationType *getInjectedTST() const { 366031f17ecbef57b5679c017c375db330546b7b5145John McCall return cast<TemplateSpecializationType>(InjectedType.getTypePtr()); 36613cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 36623cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 3663ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl CXXRecordDecl *getDecl() const; 36643cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 366531f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { return false; } 366631f17ecbef57b5679c017c375db330546b7b5145John McCall QualType desugar() const { return QualType(this, 0); } 36673cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 36683cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const Type *T) { 36693cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return T->getTypeClass() == InjectedClassName; 36703cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 36713cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const InjectedClassNameType *T) { return true; } 36723cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall}; 36733cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 3674465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief The kind of a tag type. 3675465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraenum TagTypeKind { 3676465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "struct" keyword. 3677465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Struct, 3678465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "union" keyword. 3679465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Union, 3680465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword. 3681465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Class, 3682465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "enum" keyword. 3683465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Enum 3684465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 3685465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 36864a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief The elaboration keyword that precedes a qualified type name or 36874a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// introduces an elaborated-type-specifier. 36884a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregorenum ElaboratedTypeKeyword { 36894a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "struct" keyword introduces the elaborated-type-specifier. 36904a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Struct, 36914a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "union" keyword introduces the elaborated-type-specifier. 36924a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Union, 3693465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword introduces the elaborated-type-specifier. 3694465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Class, 36954a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "enum" keyword introduces the elaborated-type-specifier. 3696465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Enum, 3697465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "typename" keyword precedes the qualified type name, e.g., 3698465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \c typename T::type. 3699465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Typename, 3700465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief No keyword precedes the qualified type name. 3701465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_None 37024a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor}; 3703465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3704465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// A helper class for Type nodes having an ElaboratedTypeKeyword. 3705465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The keyword in stored in the free bits of the base class. 3706465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// Also provides a few static helpers for converting and printing 3707465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// elaborated type keyword and tag type kind enumerations. 3708465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass TypeWithKeyword : public Type { 3709465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraprotected: 3710465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TypeWithKeyword(ElaboratedTypeKeyword Keyword, TypeClass tc, 3711561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor QualType Canonical, bool Dependent, 3712561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool InstantiationDependent, bool VariablyModified, 3713d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool ContainsUnexpandedParameterPack) 3714561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(tc, Canonical, Dependent, InstantiationDependent, VariablyModified, 3715d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ContainsUnexpandedParameterPack) { 371677be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall TypeWithKeywordBits.Keyword = Keyword; 371777be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall } 3718465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3719465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnarapublic: 3720465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypeKeyword getKeyword() const { 372177be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall return static_cast<ElaboratedTypeKeyword>(TypeWithKeywordBits.Keyword); 3722465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 3723465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3724465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTypeSpec - Converts a type specifier (DeclSpec::TST) 3725465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into an elaborated type keyword. 3726465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTypeSpec(unsigned TypeSpec); 3727465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3728465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForTypeSpec - Converts a type specifier (DeclSpec::TST) 3729465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into a tag type kind. It is an error to provide a type specifier 3730465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 3731465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForTypeSpec(unsigned TypeSpec); 3732465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3733465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTagDeclKind - Converts a TagTypeKind into an 3734465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// elaborated type keyword. 3735465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTagTypeKind(TagTypeKind Tag); 3736465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3737465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForKeyword - Converts an elaborated type keyword into 3738465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara // a TagTypeKind. It is an error to provide an elaborated type keyword 3739465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 3740465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForKeyword(ElaboratedTypeKeyword Keyword); 3741465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3742465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool KeywordIsTagTypeKind(ElaboratedTypeKeyword Keyword); 3743465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3744465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getKeywordName(ElaboratedTypeKeyword Keyword); 3745465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3746465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getTagTypeKindName(TagTypeKind Kind) { 3747465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getKeywordName(getKeywordForTagTypeKind(Kind)); 3748465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 3749465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3750465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara class CannotCastToThisType {}; 3751465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static CannotCastToThisType classof(const Type *); 3752465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 3753465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3754465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief Represents a type that was referred to using an elaborated type 3755465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// keyword, e.g., struct S, or via a qualified name, e.g., N::M::type, 3756465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// or both. 3757e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// 3758e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// This type is used to keep track of a type name as written in the 3759465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// source code, including tag keywords and any nested-name-specifiers. 3760465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The type itself is always "sugar", used to express what was written 3761465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// in the source code but containing no additional semantic information. 3762465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass ElaboratedType : public TypeWithKeyword, public llvm::FoldingSetNode { 3763465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3764ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The nested name specifier containing the qualifier. 3765ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *NNS; 3766e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3767e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief The type that this qualified name refers to. 3768e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType; 3769e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3770465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 3771465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType, QualType CanonType) 3772465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara : TypeWithKeyword(Keyword, Elaborated, CanonType, 377335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor NamedType->isDependentType(), 3774561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor NamedType->isInstantiationDependentType(), 3775d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor NamedType->isVariablyModifiedType(), 3776d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor NamedType->containsUnexpandedParameterPack()), 3777465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), NamedType(NamedType) { 3778465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!(Keyword == ETK_None && NNS == 0) && 3779465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "ElaboratedType cannot have elaborated type keyword " 3780465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "and name qualifier both null."); 3781465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 3782e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3783e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor friend class ASTContext; // ASTContext creates these 3784e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3785e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregorpublic: 378633500955d731c73717af52088b7fc0e7a85681e7John McCall ~ElaboratedType(); 3787465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3788ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief Retrieve the qualification on this type. 3789ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 3790e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3791e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief Retrieve the type named by the qualified-id. 3792e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType getNamedType() const { return NamedType; } 3793e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3794bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 3795bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getNamedType(); } 3796bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3797bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 3798bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 3799bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3800e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 3801465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, NamedType); 3802e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 3803e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3804465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 3805465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, QualType NamedType) { 3806465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ID.AddInteger(Keyword); 3807ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor ID.AddPointer(NNS); 3808ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NamedType.Profile(ID); 3809ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor } 3810e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 38111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 3812465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return T->getTypeClass() == Elaborated; 3813e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 3814465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool classof(const ElaboratedType *T) { return true; } 3815e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor}; 3816e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 38174a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief Represents a qualified type name for which the type name is 38184a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent. 3819d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor/// 38204a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// DependentNameType represents a class of dependent types that involve a 38214a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent nested-name-specifier (e.g., "T::") followed by a (dependent) 38224a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// name of a type. The DependentNameType may start with a "typename" (for a 38234a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// typename-specifier), "class", "struct", "union", or "enum" (for a 38244a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent elaborated-type-specifier), or nothing (in contexts where we 38254a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// know that we must be referring to a type, e.g., in a base class specifier). 3826465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass DependentNameType : public TypeWithKeyword, public llvm::FoldingSetNode { 3827465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3828d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The nested name specifier containing the qualifier. 3829d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *NNS; 3830d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3831d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The type that this typename specifier refers to. 383233500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 3833d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 38344a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 38354a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, QualType CanonType) 383635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : TypeWithKeyword(Keyword, DependentName, CanonType, /*Dependent=*/true, 3837561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 3838d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, 3839d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor NNS->containsUnexpandedParameterPack()), 3840465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), Name(Name) { 38411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(NNS->isDependent() && 38424714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor "DependentNameType requires a dependent nested-name-specifier"); 3843d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3844d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3845d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor friend class ASTContext; // ASTContext creates these 3846d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3847d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregorpublic: 3848d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief Retrieve the qualification on this type. 3849d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 3850d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 38511734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// \brief Retrieve the type named by the typename specifier as an 38521734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// identifier. 38531734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// 38541734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// This routine will return a non-NULL identifier pointer when the 38551734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// form of the original typename was terminated by an identifier, 38561734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// e.g., "typename T::type". 38571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const IdentifierInfo *getIdentifier() const { 385833500955d731c73717af52088b7fc0e7a85681e7John McCall return Name; 38591734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 3860d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3861bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3862bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3863bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3864d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 3865465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, Name); 3866d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3867d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 38684a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 386933500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, const IdentifierInfo *Name) { 38704a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ID.AddInteger(Keyword); 3871d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor ID.AddPointer(NNS); 387233500955d731c73717af52088b7fc0e7a85681e7John McCall ID.AddPointer(Name); 3873d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3874d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 38751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 38764714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor return T->getTypeClass() == DependentName; 3877d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 38784714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor static bool classof(const DependentNameType *T) { return true; } 3879d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor}; 3880d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 388133500955d731c73717af52088b7fc0e7a85681e7John McCall/// DependentTemplateSpecializationType - Represents a template 388233500955d731c73717af52088b7fc0e7a85681e7John McCall/// specialization type whose template cannot be resolved, e.g. 388333500955d731c73717af52088b7fc0e7a85681e7John McCall/// A<T>::template B<T> 388433500955d731c73717af52088b7fc0e7a85681e7John McCallclass DependentTemplateSpecializationType : 388533500955d731c73717af52088b7fc0e7a85681e7John McCall public TypeWithKeyword, public llvm::FoldingSetNode { 388633500955d731c73717af52088b7fc0e7a85681e7John McCall 388733500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The nested name specifier containing the qualifier. 388833500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS; 388933500955d731c73717af52088b7fc0e7a85681e7John McCall 389033500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The identifier of the template. 389133500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 389233500955d731c73717af52088b7fc0e7a85681e7John McCall 389333500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief - The number of template arguments named in this class 389433500955d731c73717af52088b7fc0e7a85681e7John McCall /// template specialization. 389533500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs; 389633500955d731c73717af52088b7fc0e7a85681e7John McCall 389733500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgBuffer() const { 389833500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<const TemplateArgument*>(this+1); 389933500955d731c73717af52088b7fc0e7a85681e7John McCall } 390033500955d731c73717af52088b7fc0e7a85681e7John McCall TemplateArgument *getArgBuffer() { 390133500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<TemplateArgument*>(this+1); 390233500955d731c73717af52088b7fc0e7a85681e7John McCall } 390333500955d731c73717af52088b7fc0e7a85681e7John McCall 3904ef99001908e799c388f1363b1e607dad5f5b57d3John McCall DependentTemplateSpecializationType(ElaboratedTypeKeyword Keyword, 390533500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 390633500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 390733500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 390833500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args, 390933500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon); 391033500955d731c73717af52088b7fc0e7a85681e7John McCall 391133500955d731c73717af52088b7fc0e7a85681e7John McCall friend class ASTContext; // ASTContext creates these 391233500955d731c73717af52088b7fc0e7a85681e7John McCall 391333500955d731c73717af52088b7fc0e7a85681e7John McCallpublic: 391433500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *getQualifier() const { return NNS; } 391533500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *getIdentifier() const { return Name; } 391633500955d731c73717af52088b7fc0e7a85681e7John McCall 391733500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the template arguments. 391833500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgs() const { 391933500955d731c73717af52088b7fc0e7a85681e7John McCall return getArgBuffer(); 392033500955d731c73717af52088b7fc0e7a85681e7John McCall } 392133500955d731c73717af52088b7fc0e7a85681e7John McCall 392233500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the number of template arguments. 392333500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned getNumArgs() const { return NumArgs; } 392433500955d731c73717af52088b7fc0e7a85681e7John McCall 392533500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 392633500955d731c73717af52088b7fc0e7a85681e7John McCall 392733500955d731c73717af52088b7fc0e7a85681e7John McCall typedef const TemplateArgument * iterator; 392833500955d731c73717af52088b7fc0e7a85681e7John McCall iterator begin() const { return getArgs(); } 392933500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // inline in TemplateBase.h 393033500955d731c73717af52088b7fc0e7a85681e7John McCall 393133500955d731c73717af52088b7fc0e7a85681e7John McCall bool isSugared() const { return false; } 393233500955d731c73717af52088b7fc0e7a85681e7John McCall QualType desugar() const { return QualType(this, 0); } 393333500955d731c73717af52088b7fc0e7a85681e7John McCall 39344ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context) { 393533500955d731c73717af52088b7fc0e7a85681e7John McCall Profile(ID, Context, getKeyword(), NNS, Name, NumArgs, getArgs()); 393633500955d731c73717af52088b7fc0e7a85681e7John McCall } 393733500955d731c73717af52088b7fc0e7a85681e7John McCall 393833500955d731c73717af52088b7fc0e7a85681e7John McCall static void Profile(llvm::FoldingSetNodeID &ID, 39394ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context, 394033500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 394133500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *Qualifier, 394233500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 394333500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 394433500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args); 394533500955d731c73717af52088b7fc0e7a85681e7John McCall 394633500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const Type *T) { 394733500955d731c73717af52088b7fc0e7a85681e7John McCall return T->getTypeClass() == DependentTemplateSpecialization; 394833500955d731c73717af52088b7fc0e7a85681e7John McCall } 394933500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const DependentTemplateSpecializationType *T) { 395033500955d731c73717af52088b7fc0e7a85681e7John McCall return true; 395133500955d731c73717af52088b7fc0e7a85681e7John McCall } 395233500955d731c73717af52088b7fc0e7a85681e7John McCall}; 395333500955d731c73717af52088b7fc0e7a85681e7John McCall 39547536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// \brief Represents a pack expansion of types. 39557536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 39567536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// Pack expansions are part of C++0x variadic templates. A pack 39577536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// expansion contains a pattern, which itself contains one or more 39587536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// "unexpanded" parameter packs. When instantiated, a pack expansion 39597536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// produces a series of types, each instantiated from the pattern of 39607536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// the expansion, where the Ith instantiation of the pattern uses the 39617536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// Ith arguments bound to each of the unexpanded parameter packs. The 39627536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// pack expansion is considered to "expand" these unexpanded 39637536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// parameter packs. 39647536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 39657536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// \code 39667536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// template<typename ...Types> struct tuple; 39677536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 39687536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// template<typename ...Types> 39697536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// struct tuple_of_references { 39707536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// typedef tuple<Types&...> type; 39717536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// }; 39727536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// \endcode 39737536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 39747536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// Here, the pack expansion \c Types&... is represented via a 39757536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// PackExpansionType whose pattern is Types&. 39767536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregorclass PackExpansionType : public Type, public llvm::FoldingSetNode { 39777536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// \brief The pattern of the pack expansion. 39787536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType Pattern; 39797536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 3980cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// \brief The number of expansions that this pack expansion will 3981cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// generate when substituted (+1), or indicates that 3982cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// 3983cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// This field will only have a non-zero value when some of the parameter 3984cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// packs that occur within the pattern have been substituted but others have 3985cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// not. 3986cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor unsigned NumExpansions; 3987cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor 3988cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor PackExpansionType(QualType Pattern, QualType Canon, 3989cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> NumExpansions) 39907536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor : Type(PackExpansion, Canon, /*Dependent=*/true, 3991561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 39927536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /*VariableModified=*/Pattern->isVariablyModifiedType(), 39937536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 3994cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor Pattern(Pattern), 3995cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor NumExpansions(NumExpansions? *NumExpansions + 1: 0) { } 39967536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 39977536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor friend class ASTContext; // ASTContext creates these 3998cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor 39997536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregorpublic: 40007536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// \brief Retrieve the pattern of this pack expansion, which is the 40017536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// type that will be repeatedly instantiated when instantiating the 40027536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// pack expansion itself. 40037536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType getPattern() const { return Pattern; } 40047536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 4005cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// \brief Retrieve the number of expansions that this pack expansion will 4006cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// generate, if known. 4007cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> getNumExpansions() const { 4008cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor if (NumExpansions) 4009cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor return NumExpansions - 1; 4010cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor 4011cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor return llvm::Optional<unsigned>(); 4012cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor } 4013cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor 40147536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor bool isSugared() const { return false; } 40157536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType desugar() const { return QualType(this, 0); } 40167536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 40177536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 4018cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor Profile(ID, getPattern(), getNumExpansions()); 40197536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 40207536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 4021cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, QualType Pattern, 4022cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> NumExpansions) { 40237536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor ID.AddPointer(Pattern.getAsOpaquePtr()); 4024cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor ID.AddBoolean(NumExpansions); 4025cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor if (NumExpansions) 4026cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor ID.AddInteger(*NumExpansions); 40277536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 40287536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 40297536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor static bool classof(const Type *T) { 40307536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return T->getTypeClass() == PackExpansion; 40317536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 40327536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor static bool classof(const PackExpansionType *T) { 40337536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return true; 40347536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 40357536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor}; 40367536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 4037c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectType - Represents a class type in Objective C. 4038c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Every Objective C type is a combination of a base type and a 4039c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// list of protocols. 4040c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 4041c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Given the following declarations: 4042c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @class C; 4043c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @protocol P; 4044c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 4045c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C' is an ObjCInterfaceType C. It is sugar for an ObjCObjectType 4046c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// with base C and no protocols. 4047c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 4048c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C<P>' is an ObjCObjectType with base C and protocol list [P]. 4049c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 4050e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id' is a TypedefType which is sugar for an ObjCPointerType whose 4051e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// pointee is an ObjCObjectType with base BuiltinType::ObjCIdType 4052e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// and no protocols. 4053c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 4054e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id<P>' is an ObjCPointerType whose pointee is an ObjCObjecType 4055e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// with base BuiltinType::ObjCIdType and protocol list [P]. Eventually 4056e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// this should get its own sugar class to better represent the source. 4057c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectType : public Type { 4058b870b88df784c2940efce448ebfaf54dece14666John McCall // ObjCObjectType.NumProtocols - the number of protocols stored 4059b870b88df784c2940efce448ebfaf54dece14666John McCall // after the ObjCObjectPointerType node. 406071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // 406171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // These protocols are those written directly on the type. If 406271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // protocol qualifiers ever become additive, the iterators will need 406371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // to get kindof complicated. 406471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // 406571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // In the canonical object type, these are sorted alphabetically 406671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // and uniqued. 4067c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 4068c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Either a BuiltinType or an InterfaceType or sugar for either. 4069c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType BaseType; 4070c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4071c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *getProtocolStorage() const { 4072c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return const_cast<ObjCObjectType*>(this)->getProtocolStorage(); 4073c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4074c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4075c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl **getProtocolStorage(); 4076c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4077c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallprotected: 4078c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(QualType Canonical, QualType Base, 4079c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, unsigned NumProtocols); 4080c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4081c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum Nonce_ObjCInterface { Nonce_ObjCInterface }; 4082c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(enum Nonce_ObjCInterface) 4083561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(ObjCInterface, QualType(), false, false, false, false), 408471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall BaseType(QualType(this_(), 0)) { 4085b870b88df784c2940efce448ebfaf54dece14666John McCall ObjCObjectTypeBits.NumProtocols = 0; 408671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 4087c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 40883536b443bc50d58a79f14fca9b6842541a434854Steve Naroffpublic: 4089e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getBaseType - Gets the base type of this object type. This is 4090e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// always (possibly sugar for) one of: 4091e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'id' builtin type (as opposed to the 'id' type visible to the 4092e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user, which is a typedef for an ObjCPointerType) 4093e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'Class' builtin type (same caveat) 4094e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - an ObjCObjectType (currently always an ObjCInterfaceType) 4095c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType getBaseType() const { return BaseType; } 409671842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek 4097c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCId() const { 4098c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCId); 4099c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4100c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCClass() const { 4101c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCClass); 4102c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4103c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedId() const { return qual_empty() && isObjCId(); } 4104c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedClass() const { return qual_empty() && isObjCClass(); } 4105c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedIdOrClass() const { 4106c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!qual_empty()) return false; 4107c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const BuiltinType *T = getBaseType()->getAs<BuiltinType>()) 4108c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getKind() == BuiltinType::ObjCId || 4109c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getKind() == BuiltinType::ObjCClass; 4110c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return false; 4111c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4112c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedId() const { return !qual_empty() && isObjCId(); } 4113c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedClass() const { return !qual_empty() && isObjCClass(); } 4114c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4115c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Gets the interface declaration for this object type, if the base type 4116c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// really is an interface. 4117c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *getInterface() const; 4118c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4119c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCProtocolDecl * const *qual_iterator; 4120c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4121c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_begin() const { return getProtocolStorage(); } 4122c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { return qual_begin() + getNumProtocols(); } 4123c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4124c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getNumProtocols() == 0; } 41251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4126c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// getNumProtocols - Return the number of qualifying protocols in this 4127c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// interface type, or 0 if there are none. 4128b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getNumProtocols() const { return ObjCObjectTypeBits.NumProtocols; } 412914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4130c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// \brief Fetch a protocol by index. 413173dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 413273dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor assert(I < getNumProtocols() && "Out-of-range protocol access"); 413373dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor return qual_begin()[I]; 413473dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 413573dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 4136bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 4137bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 4138bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 4139c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const Type *T) { 4140c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getTypeClass() == ObjCObject || 4141c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getTypeClass() == ObjCInterface; 4142c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4143c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const ObjCObjectType *) { return true; } 4144c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 4145c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4146c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectTypeImpl - A class providing a concrete implementation 4147c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// of ObjCObjectType, so as to not increase the footprint of 4148c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType. Code outside of ASTContext and the core type 4149c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// system should not reference this type. 4150c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectTypeImpl : public ObjCObjectType, public llvm::FoldingSetNode { 4151c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; 4152c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4153c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If anyone adds fields here, ObjCObjectType::getProtocolStorage() 4154c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // will need to be modified. 4155c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4156c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl(QualType Canonical, QualType Base, 4157c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 4158c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols) 4159c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Canonical, Base, Protocols, NumProtocols) {} 4160c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4161c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 4162c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff void Profile(llvm::FoldingSetNodeID &ID); 41631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, 4164c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Base, 4165c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl *const *protocols, 4166c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols); 4167c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 41681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4169c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCProtocolDecl **ObjCObjectType::getProtocolStorage() { 4170c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return reinterpret_cast<ObjCProtocolDecl**>( 4171c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static_cast<ObjCObjectTypeImpl*>(this) + 1); 4172c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 4173c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4174c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType - Interfaces are the core concept in Objective-C for 4175c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// object oriented design. They basically correspond to C++ classes. There 4176c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// are two kinds of interface types, normal interfaces like "NSString" and 4177c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// qualified interfaces, which are qualified with a protocol list like 4178c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// "NSString<NSCopyable, NSAmazing>". 4179e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 4180e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCInterfaceType guarantees the following properties when considered 4181e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// as a subtype of its superclass, ObjCObjectType: 4182e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - There are no protocol qualifiers. To reinforce this, code which 4183e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// tries to invoke the protocol methods via an ObjCInterfaceType will 4184e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// fail to compile. 4185e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - It is its own base type. That is, if T is an ObjCInterfaceType*, 4186e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// T->getBaseType() == QualType(T, 0). 4187c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCInterfaceType : public ObjCObjectType { 4188c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *Decl; 4189c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4190c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceType(const ObjCInterfaceDecl *D) 4191c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Nonce_ObjCInterface), 4192c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Decl(const_cast<ObjCInterfaceDecl*>(D)) {} 4193c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; // ASTContext creates these. 41941fb0caaa7bef765b85972274e3b434af2572c141John McCall 4195c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 4196e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getDecl - Get the declaration of this interface. 4197deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceDecl *getDecl() const { return Decl; } 4198c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4199c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isSugared() const { return false; } 4200c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType desugar() const { return QualType(this, 0); } 42010b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 42021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 42031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCInterface; 42043536b443bc50d58a79f14fca9b6842541a434854Steve Naroff } 4205a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCInterfaceType *) { return true; } 4206c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4207c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Nonsense to "hide" certain members of ObjCObjectType within this 4208c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // class. People asking for protocols on an ObjCInterfaceType are 4209c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // not going to get what they want: ObjCInterfaceTypes are 4210c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // guaranteed to have no protocols. 4211c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum { 4212c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator, 4213c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_begin, 4214c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_end, 4215c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getNumProtocols, 4216c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getProtocol 4217c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall }; 42183536b443bc50d58a79f14fca9b6842541a434854Steve Naroff}; 42193536b443bc50d58a79f14fca9b6842541a434854Steve Naroff 4220c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCInterfaceDecl *ObjCObjectType::getInterface() const { 4221c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCInterfaceType *T = 4222c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getBaseType()->getAs<ObjCInterfaceType>()) 4223c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getDecl(); 4224c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return 0; 4225c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 4226c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4227e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCObjectPointerType - Used to represent a pointer to an 4228e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Objective C object. These are constructed from pointer 4229e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// declarators when the pointee type is an ObjCObjectType (or sugar 4230e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for one). In addition, the 'id' and 'Class' types are typedefs 4231e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for these, and the protocol-qualified types 'id<P>' and 'Class<P>' 4232e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// are translated into these. 423314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff/// 4234e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Pointers to pointers to Objective C objects are still PointerTypes; 4235e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// only the first level of pointer gets it own type implementation. 423614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffclass ObjCObjectPointerType : public Type, public llvm::FoldingSetNode { 4237e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall QualType PointeeType; 42381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4239c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType(QualType Canonical, QualType Pointee) 4240561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(ObjCObjectPointer, Canonical, false, false, false, false), 4241c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall PointeeType(Pointee) {} 424214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff friend class ASTContext; // ASTContext creates these. 42431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 424414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffpublic: 4245e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getPointeeType - Gets the type pointed to by this ObjC pointer. 4246e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The result will always be an ObjCObjectType or sugar thereof. 424714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const { return PointeeType; } 424814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4249e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getObjCObjectType - Gets the type pointed to by this ObjC 4250e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// pointer. This method always returns non-null. 4251e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 4252e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// This method is equivalent to getPointeeType() except that 4253e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// it discards any typedefs (or other sugar) between this 4254e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type and the "outermost" object type. So for: 4255e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @class A; @protocol P; @protocol Q; 4256e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A<P> AP; 4257e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A A1; 4258e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1<P> A1P; 4259e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1P<Q> A1PQ; 4260e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A*', getObjectType() will return 'A'. 4261e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A<P>*', getObjectType() will return 'A<P>'. 4262e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'AP*', getObjectType() will return 'A<P>'. 4263e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1*', getObjectType() will return 'A'. 4264e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1<P>*', getObjectType() will return 'A1<P>'. 4265e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1P*', getObjectType() will return 'A1<P>'. 4266e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1PQ*', getObjectType() will return 'A1<Q>', because 4267e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// adding protocols to a protocol-qualified base discards the 4268e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// old qualifiers (for now). But if it didn't, getObjectType() 4269e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// would return 'A1P<Q>' (and we'd have to make iterating over 4270e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers more complicated). 4271c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getObjectType() const { 4272d0370f59e79702ac908c81bf556519f91e9ca297John McCall return PointeeType->castAs<ObjCObjectType>(); 4273c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4274c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4275e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceType - If this pointer points to an Objective C 4276e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @interface type, gets the type for that interface. Any protocol 4277e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers on the interface are ignored. 4278e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 4279e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 42801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCInterfaceType *getInterfaceType() const { 4281c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getBaseType()->getAs<ObjCInterfaceType>(); 428214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4283e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4284e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceDecl - If this pointer points to an Objective @interface 4285e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type, gets the declaration for that interface. 4286e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 4287e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 428814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ObjCInterfaceDecl *getInterfaceDecl() const { 4289e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall return getObjectType()->getInterface(); 429014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4291e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4292e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCIdType - True if this is equivalent to the 'id' type, i.e. if 4293e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// its object type is the primitive 'id' type with no protocols. 429414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const { 4295c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedId(); 429614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4297e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4298e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCClassType - True if this is equivalent to the 'Class' type, 4299e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// i.e. if its object tive is the primitive 'Class' type with no protocols. 430014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const { 4301c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedClass(); 4302de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 43038d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian 4304e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedIdType - True if this is equivalent to 'id<P>' for some 4305e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// non-empty set of protocols. 43061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isObjCQualifiedIdType() const { 4307c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedId(); 4308de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 4309e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4310e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedClassType - True if this is equivalent to 'Class<P>' for 4311e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// some non-empty set of protocols. 4312470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const { 4313c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedClass(); 431414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4315e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4316e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// An iterator over the qualifiers on the object type. Provided 4317e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// for convenience. This will always iterate over the full set of 4318e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// protocols on a type, not just those provided directly. 4319c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCObjectType::qual_iterator qual_iterator; 432014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 432171842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek qual_iterator qual_begin() const { 4322c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_begin(); 432371842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 4324c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { 4325c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_end(); 432671842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 4327c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getObjectType()->qual_empty(); } 432814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4329e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getNumProtocols - Return the number of qualifying protocols on 4330e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// the object type. 4331c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned getNumProtocols() const { 4332c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getNumProtocols(); 4333c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 433414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4335e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \brief Retrieve a qualifying protocol by index on the object 4336e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type. 433773dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 4338c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getProtocol(I); 433973dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 434073dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 4341bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 4342bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 4343bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 4344e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall void Profile(llvm::FoldingSetNodeID &ID) { 4345e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall Profile(ID, getPointeeType()); 4346e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall } 4347c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, QualType T) { 4348c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ID.AddPointer(T.getAsOpaquePtr()); 4349c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 43501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 43511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCObjectPointer; 435214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 435314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff static bool classof(const ObjCObjectPointerType *) { return true; } 435414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff}; 43551bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 4356b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedmanclass AtomicType : public Type, public llvm::FoldingSetNode { 4357b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman QualType ValueType; 4358b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 4359b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman AtomicType(QualType ValTy, QualType Canonical) 4360b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman : Type(Atomic, Canonical, ValTy->isDependentType(), 4361b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman ValTy->isInstantiationDependentType(), 4362b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman ValTy->isVariablyModifiedType(), 4363b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman ValTy->containsUnexpandedParameterPack()), 4364b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman ValueType(ValTy) {} 4365b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman friend class ASTContext; // ASTContext creates these. 4366b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 4367b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman public: 4368b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman /// getValueType - Gets the type contained by this atomic type, i.e. 4369b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman /// the type returned by performing an atomic load of this atomic type. 4370b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman QualType getValueType() const { return ValueType; } 4371b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 4372b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman bool isSugared() const { return false; } 4373b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman QualType desugar() const { return QualType(this, 0); } 4374b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 4375b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman void Profile(llvm::FoldingSetNodeID &ID) { 4376b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman Profile(ID, getValueType()); 4377b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 4378b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman static void Profile(llvm::FoldingSetNodeID &ID, QualType T) { 4379b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman ID.AddPointer(T.getAsOpaquePtr()); 4380b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 4381b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman static bool classof(const Type *T) { 4382b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman return T->getTypeClass() == Atomic; 4383b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 4384b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman static bool classof(const AtomicType *) { return true; } 4385b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman}; 4386b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 43870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// A qualifier set is used to build a set of qualifiers. 43880953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualifierCollector : public Qualifiers { 43890953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 439049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualifierCollector(Qualifiers Qs = Qualifiers()) : Qualifiers(Qs) {} 43910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 43920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Collect any qualifiers on the given type and return an 43933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// unqualified type. The qualifiers are assumed to be consistent 43943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// with those already in the type. 43953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *strip(QualType type) { 43963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall addFastQualifiers(type.getLocalFastQualifiers()); 43973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!type.hasLocalNonFastQualifiers()) 43983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return type.getTypePtrUnsafe(); 43993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 44003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ExtQuals *extQuals = type.getExtQualsUnsafe(); 44013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall addConsistentQualifiers(extQuals->getQualifiers()); 44023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return extQuals->getBaseType(); 44030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 44040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 44050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 44064ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType apply(const ASTContext &Context, QualType QT) const; 44070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 44080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 44094ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType apply(const ASTContext &Context, const Type* T) const; 44100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 44110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 44120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4413611c1fff195d32df97706e0920c92468b2509900Chris Lattner// Inline function definitions. 44145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 44153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline const Type *QualType::getTypePtr() const { 44163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getCommonPtr()->BaseType; 44173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 44183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 44193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline const Type *QualType::getTypePtrOrNull() const { 44203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return (isNull() ? 0 : getCommonPtr()->BaseType); 44213b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 44223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 44233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline SplitQualType QualType::split() const { 44243b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!hasLocalNonFastQualifiers()) 44253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return SplitQualType(getTypePtrUnsafe(), 44263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers::fromFastMask(getLocalFastQualifiers())); 44273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 44283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ExtQuals *eq = getExtQualsUnsafe(); 44293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs = eq->getQualifiers(); 44303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall qs.addFastQualifiers(getLocalFastQualifiers()); 44313b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return SplitQualType(eq->getBaseType(), qs); 44323b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 44333b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 44343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline Qualifiers QualType::getLocalQualifiers() const { 44353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers Quals; 44363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (hasLocalNonFastQualifiers()) 44373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals = getExtQualsUnsafe()->getQualifiers(); 44383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals.addFastQualifiers(getLocalFastQualifiers()); 44393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return Quals; 44403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 44413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 44423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline Qualifiers QualType::getQualifiers() const { 44433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers quals = getCommonPtr()->CanonicalType.getLocalQualifiers(); 44443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall quals.addFastQualifiers(getLocalFastQualifiers()); 44453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return quals; 44463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 44473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 44483b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline unsigned QualType::getCVRQualifiers() const { 44493b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned cvr = getCommonPtr()->CanonicalType.getLocalCVRQualifiers(); 44503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall cvr |= getLocalCVRQualifiers(); 44513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return cvr; 44523b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 44533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 44543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline QualType QualType::getCanonicalType() const { 44553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon = getCommonPtr()->CanonicalType; 44563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return canon.withFastQualifiers(getLocalFastQualifiers()); 44573b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 44583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 4459467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCallinline bool QualType::isCanonical() const { 44603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getTypePtr()->isCanonicalUnqualified(); 4461467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall} 4462467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 446354e14c4db764c0636160d26c5bbf491637c83a76John McCallinline bool QualType::isCanonicalAsParam() const { 44643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!isCanonical()) return false; 4465a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalQualifiers()) return false; 4466745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 446754e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *T = getTypePtr(); 44683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (T->isVariablyModifiedType() && T->hasSizedVLAType()) 44693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return false; 44703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 44713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return !isa<FunctionType>(T) && !isa<ArrayType>(T); 447254e14c4db764c0636160d26c5bbf491637c83a76John McCall} 447354e14c4db764c0636160d26c5bbf491637c83a76John McCall 4474fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isConstQualified() const { 4475fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalConstQualified() || 44763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.isLocalConstQualified(); 4477fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4478fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4479fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isRestrictQualified() const { 4480fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalRestrictQualified() || 44813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.isLocalRestrictQualified(); 4482fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4483fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4484fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4485fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isVolatileQualified() const { 4486fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalVolatileQualified() || 44873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.isLocalVolatileQualified(); 4488fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4489fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4490fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::hasQualifiers() const { 4491fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return hasLocalQualifiers() || 44923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.hasLocalQualifiers(); 4493fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 449462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 449562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline QualType QualType::getUnqualifiedType() const { 449662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall if (!getTypePtr()->getCanonicalTypeInternal().hasLocalQualifiers()) 449762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(getTypePtr(), 0); 449862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 449962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(getSplitUnqualifiedTypeImpl(*this).first, 0); 450062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall} 450162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 450262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline SplitQualType QualType::getSplitUnqualifiedType() const { 450362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall if (!getTypePtr()->getCanonicalTypeInternal().hasLocalQualifiers()) 450462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return split(); 450562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 450662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getSplitUnqualifiedTypeImpl(*this); 4507fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4508fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 450949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalConst() { 451049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Const); 45110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 45120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 451349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalRestrict() { 451449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Restrict); 45150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 45160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 451749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalVolatile() { 451849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Volatile); 45190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 45200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 452149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalCVRQualifiers(unsigned Mask) { 45226b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall assert(!(Mask & ~Qualifiers::CVRMask) && "mask has non-CVR bits"); 4523c3c0af36bac3d71f61dd758585ab307892545de4Douglas Gregor assert((int)Qualifiers::CVRMask == (int)Qualifiers::FastMask); 45240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 45250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast path: we don't need to touch the slow qualifiers. 452649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Mask); 4527ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 4528ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 4529ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb/// getAddressSpace - Return the address space of this type. 4530ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lambinline unsigned QualType::getAddressSpace() const { 45313b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getQualifiers().getAddressSpace(); 4532ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 4533611c1fff195d32df97706e0920c92468b2509900Chris Lattner 4534d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian/// getObjCGCAttr - Return the gc attribute of this type. 45350953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline Qualifiers::GC QualType::getObjCGCAttr() const { 45363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getQualifiers().getObjCGCAttr(); 4537d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 45382455636163fdd18581d7fdae816433f886d88213Mike Stump 4539264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(const Type &t) { 4540264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola if (const PointerType *PT = t.getAs<PointerType>()) { 4541183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const FunctionType *FT = PT->getPointeeType()->getAs<FunctionType>()) 4542264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 4543264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } else if (const FunctionType *FT = t.getAs<FunctionType>()) 4544264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 45452455636163fdd18581d7fdae816433f886d88213Mike Stump 4546264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FunctionType::ExtInfo(); 45472455636163fdd18581d7fdae816433f886d88213Mike Stump} 45481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4549264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(QualType t) { 4550264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getFunctionExtInfo(*t); 4551ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 4552ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 4553e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isMoreQualifiedThan - Determine whether this type is more 4554e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// qualified than the Other type. For example, "const volatile int" 4555e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// is more qualified than "const int", "volatile int", and 4556e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int". However, it is not more qualified than "const volatile 4557e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int". 455862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline bool QualType::isMoreQualifiedThan(QualType other) const { 455962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Qualifiers myQuals = getQualifiers(); 456062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Qualifiers otherQuals = other.getQualifiers(); 456162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return (myQuals != otherQuals && myQuals.compatiblyIncludes(otherQuals)); 4562e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 4563e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 4564e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isAtLeastAsQualifiedAs - Determine whether this type is at last 4565e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// as qualified as the Other type. For example, "const volatile 4566e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int" is at least as qualified as "const int", "volatile int", 4567e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int", and "const volatile int". 456862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline bool QualType::isAtLeastAsQualifiedAs(QualType other) const { 456962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getQualifiers().compatiblyIncludes(other.getQualifiers()); 4570e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 4571e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 4572e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// getNonReferenceType - If Type is a reference type (e.g., const 4573e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int&), returns the type that the reference refers to ("const 4574e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int"). Otherwise, returns the type itself. This routine is used 4575e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// throughout Sema to implement C++ 5p6: 4576e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 4577e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// If an expression initially has the type "reference to T" (8.3.2, 4578e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 8.5.3), the type is adjusted to "T" prior to any further 4579e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// analysis, the expression designates the object or function 4580e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// denoted by the reference, and the expression is an lvalue. 4581e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline QualType QualType::getNonReferenceType() const { 45826217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType *RefType = (*this)->getAs<ReferenceType>()) 4583e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return RefType->getPointeeType(); 4584e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor else 4585e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return *this; 4586e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 4587e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 45882b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregorinline bool QualType::isCForbiddenLValueType() const { 45892b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor return ((getTypePtr()->isVoidType() && !hasQualifiers()) || 45902b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor getTypePtr()->isFunctionType()); 45912b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor} 45922b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor 4593aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// \brief Tests whether the type is categorized as a fundamental type. 4594aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// 4595aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// \returns True for types specified in C++0x [basic.fundamental]. 4596aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruthinline bool Type::isFundamentalType() const { 4597aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth return isVoidType() || 4598aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // FIXME: It's really annoying that we don't have an 4599aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // 'isArithmeticType()' which agrees with the standard definition. 4600aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth (isArithmeticType() && !isEnumeralType()); 4601aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth} 4602aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth 4603aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// \brief Tests whether the type is categorized as a compound type. 4604aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// 4605aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// \returns True for types specified in C++0x [basic.compound]. 4606aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruthinline bool Type::isCompoundType() const { 4607aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // C++0x [basic.compound]p1: 4608aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // Compound types can be constructed in the following ways: 4609aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- arrays of objects of a given type [...]; 4610aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth return isArrayType() || 4611aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- functions, which have parameters of given types [...]; 4612aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isFunctionType() || 4613aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- pointers to void or objects or functions [...]; 4614aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isPointerType() || 4615aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- references to objects or functions of a given type. [...] 4616aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isReferenceType() || 4617aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- classes containing a sequence of objects of various types, [...]; 4618aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isRecordType() || 4619aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- unions, which ar classes capable of containing objects of different types at different times; 4620aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isUnionType() || 4621aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- enumerations, which comprise a set of named constant values. [...]; 4622aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isEnumeralType() || 4623aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- pointers to non-static class members, [...]. 4624aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isMemberPointerType(); 4625aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth} 4626aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth 4627611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isFunctionType() const { 4628a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<FunctionType>(CanonicalType); 4629611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4630611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isPointerType() const { 4631a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<PointerType>(CanonicalType); 4632611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 463358f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroffinline bool Type::isAnyPointerType() const { 463458f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff return isPointerType() || isObjCObjectPointerType(); 463558f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff} 46365618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffinline bool Type::isBlockPointerType() const { 4637a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<BlockPointerType>(CanonicalType); 46385618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 4639bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattnerinline bool Type::isReferenceType() const { 4640a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ReferenceType>(CanonicalType); 4641bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner} 46427c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isLValueReferenceType() const { 4643a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<LValueReferenceType>(CanonicalType); 46447c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 46457c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isRValueReferenceType() const { 4646a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RValueReferenceType>(CanonicalType); 46477c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 4648498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenekinline bool Type::isFunctionPointerType() const { 4649d0370f59e79702ac908c81bf556519f91e9ca297John McCall if (const PointerType *T = getAs<PointerType>()) 4650498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return T->getPointeeType()->isFunctionType(); 4651498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek else 4652498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return false; 4653498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek} 4654f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberPointerType() const { 4655a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<MemberPointerType>(CanonicalType); 4656f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 4657f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberFunctionPointerType() const { 46586217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const MemberPointerType* T = getAs<MemberPointerType>()) 46590bab0cdab751248ca389a5592bcb70eac5d39260John McCall return T->isMemberFunctionPointer(); 4660f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl else 4661f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return false; 4662f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 4663db68e28c05a67735211e688009890cf834c22e75Douglas Gregorinline bool Type::isMemberDataPointerType() const { 4664db68e28c05a67735211e688009890cf834c22e75Douglas Gregor if (const MemberPointerType* T = getAs<MemberPointerType>()) 46650bab0cdab751248ca389a5592bcb70eac5d39260John McCall return T->isMemberDataPointer(); 4666db68e28c05a67735211e688009890cf834c22e75Douglas Gregor else 4667db68e28c05a67735211e688009890cf834c22e75Douglas Gregor return false; 4668db68e28c05a67735211e688009890cf834c22e75Douglas Gregor} 4669611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isArrayType() const { 4670a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ArrayType>(CanonicalType); 4671611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4672c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isConstantArrayType() const { 4673a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ConstantArrayType>(CanonicalType); 4674c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 4675c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isIncompleteArrayType() const { 4676a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<IncompleteArrayType>(CanonicalType); 4677c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 4678c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isVariableArrayType() const { 4679a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VariableArrayType>(CanonicalType); 4680c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 4681898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorinline bool Type::isDependentSizedArrayType() const { 4682a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<DependentSizedArrayType>(CanonicalType); 4683898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 46843ff83dd534ccc828203670ce3f5125a4eb4199f8John McCallinline bool Type::isBuiltinType() const { 46853ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall return isa<BuiltinType>(CanonicalType); 46863ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall} 4687611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isRecordType() const { 4688a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RecordType>(CanonicalType); 4689611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 46903ff83dd534ccc828203670ce3f5125a4eb4199f8John McCallinline bool Type::isEnumeralType() const { 46913ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall return isa<EnumType>(CanonicalType); 46923ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall} 4693f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattnerinline bool Type::isAnyComplexType() const { 4694a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ComplexType>(CanonicalType); 4695f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner} 4696611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isVectorType() const { 4697a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VectorType>(CanonicalType); 4698611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4699213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemaninline bool Type::isExtVectorType() const { 4700a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ExtVectorType>(CanonicalType); 4701611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4702d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroffinline bool Type::isObjCObjectPointerType() const { 4703a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ObjCObjectPointerType>(CanonicalType); 4704d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 4705c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline bool Type::isObjCObjectType() const { 4706c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isa<ObjCObjectType>(CanonicalType); 4707368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner} 4708569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorinline bool Type::isObjCObjectOrInterfaceType() const { 4709569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return isa<ObjCInterfaceType>(CanonicalType) || 4710569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor isa<ObjCObjectType>(CanonicalType); 4711569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 4712b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedmaninline bool Type::isAtomicType() const { 4713b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman return isa<AtomicType>(CanonicalType); 4714b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman} 4715569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 4716a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekinline bool Type::isObjCQualifiedIdType() const { 4717183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 4718d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return OPT->isObjCQualifiedIdType(); 4719d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return false; 4720d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian} 4721470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroffinline bool Type::isObjCQualifiedClassType() const { 4722183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 4723470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return OPT->isObjCQualifiedClassType(); 4724470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return false; 4725470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff} 472614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCIdType() const { 4727183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 472814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCIdType(); 472914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 473014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 473114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCClassType() const { 4732183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 473314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCClassType(); 473414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 473514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 473613dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanianinline bool Type::isObjCSelType() const { 47378d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (const PointerType *OPT = getAs<PointerType>()) 47388d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return OPT->getPointeeType()->isSpecificBuiltinType(BuiltinType::ObjCSel); 473913dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return false; 474013dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian} 4741de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroffinline bool Type::isObjCBuiltinType() const { 474213dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return isObjCIdType() || isObjCClassType() || isObjCSelType(); 4743de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff} 474472c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregorinline bool Type::isTemplateTypeParmType() const { 4745a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<TemplateTypeParmType>(CanonicalType); 474672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor} 474772c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 4748e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbarinline bool Type::isSpecificBuiltinType(unsigned K) const { 4749183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = getAs<BuiltinType>()) 4750e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar if (BT->getKind() == (BuiltinType::Kind) K) 4751e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return true; 4752e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return false; 4753e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar} 4754e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 47552a984cad5ac3fdceeff2bd99daa7b90979313475John McCallinline bool Type::isPlaceholderType() const { 47562a984cad5ac3fdceeff2bd99daa7b90979313475John McCall if (const BuiltinType *BT = getAs<BuiltinType>()) 47572a984cad5ac3fdceeff2bd99daa7b90979313475John McCall return BT->isPlaceholderType(); 47582a984cad5ac3fdceeff2bd99daa7b90979313475John McCall return false; 47592a984cad5ac3fdceeff2bd99daa7b90979313475John McCall} 47602a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 4761864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCallinline bool Type::isSpecificPlaceholderType(unsigned K) const { 4762864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall if (const BuiltinType *BT = dyn_cast<BuiltinType>(this)) 4763864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall return (BT->getKind() == (BuiltinType::Kind) K); 4764864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall return false; 4765864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall} 4766864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 4767063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// \brief Determines whether this is a type for which one can define 4768063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// an overloaded operator. 4769063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregorinline bool Type::isOverloadableType() const { 4770063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor return isDependentType() || isRecordType() || isEnumeralType(); 4771904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor} 4772904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor 4773bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth/// \brief Determines whether this type can decay to a pointer type. 4774bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruthinline bool Type::canDecayToPointerType() const { 4775bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth return isFunctionType() || isArrayType(); 4776bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth} 4777bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth 47788958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbarinline bool Type::hasPointerRepresentation() const { 47798958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar return (isPointerType() || isReferenceType() || isBlockPointerType() || 4780c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall isObjCObjectPointerType() || isNullPtrType()); 47818958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar} 47828958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 4783820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanianinline bool Type::hasObjCPointerRepresentation() const { 4784c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isObjCObjectPointerType(); 4785820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian} 4786820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 4787d0370f59e79702ac908c81bf556519f91e9ca297John McCallinline const Type *Type::getBaseElementTypeUnsafe() const { 4788d0370f59e79702ac908c81bf556519f91e9ca297John McCall const Type *type = this; 4789d0370f59e79702ac908c81bf556519f91e9ca297John McCall while (const ArrayType *arrayType = type->getAsArrayTypeUnsafe()) 4790d0370f59e79702ac908c81bf556519f91e9ca297John McCall type = arrayType->getElementType().getTypePtr(); 4791d0370f59e79702ac908c81bf556519f91e9ca297John McCall return type; 4792d0370f59e79702ac908c81bf556519f91e9ca297John McCall} 4793d0370f59e79702ac908c81bf556519f91e9ca297John McCall 479422caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// Insertion operator for diagnostics. This allows sending QualType's into a 479522caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// diagnostic with <<. 479622caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 479722caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner QualType T) { 479822caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner DB.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 4799d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie DiagnosticsEngine::ak_qualtype); 480022caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner return DB; 480122caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner} 48021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 480347c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// Insertion operator for partial diagnostics. This allows sending QualType's 480447c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// into a diagnostic with <<. 480547c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruthinline const PartialDiagnostic &operator<<(const PartialDiagnostic &PD, 480647c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth QualType T) { 480747c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth PD.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 4808d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie DiagnosticsEngine::ak_qualtype); 480947c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth return PD; 481047c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth} 481147c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth 481289c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// Helper class template that is used by Type::getAs to ensure that one does 481389c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// not try to look through a qualified type to get to an array type. 481489c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T, 481589c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor bool isArrayType = (llvm::is_same<T, ArrayType>::value || 481689c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor llvm::is_base_of<ArrayType, T>::value)> 481789c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs { }; 481889c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 481989c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T> 482089c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs<T, true>; 482189c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 48221a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek/// Member-template getAs<specific type>'. 48231a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenektemplate <typename T> const T *Type::getAs() const { 482489c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor ArrayType_cannot_be_used_with_getAs<T> at; 482589c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor (void)at; 482689c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 48271a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If this is directly a T type, return it. 48281a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek if (const T *Ty = dyn_cast<T>(this)) 48291a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return Ty; 48301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48311a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If the canonical form of this type isn't the right kind, reject it. 48320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<T>(CanonicalType)) 48331a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return 0; 48341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this is a typedef for the type, strip the typedef off without 48361a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // losing all typedef information. 4837bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return cast<T>(getUnqualifiedDesugaredType()); 48381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump} 483922caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner 48403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline const ArrayType *Type::getAsArrayTypeUnsafe() const { 48413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If this is directly an array type, return it. 48423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (const ArrayType *arr = dyn_cast<ArrayType>(this)) 48433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return arr; 48443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 48453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the canonical form of this type isn't the right kind, reject it. 48463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!isa<ArrayType>(CanonicalType)) 48473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return 0; 48483b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 48493b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If this is a typedef for the type, strip the typedef off without 48503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // losing all typedef information. 48513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return cast<ArrayType>(getUnqualifiedDesugaredType()); 48523b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 48533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 4854d0370f59e79702ac908c81bf556519f91e9ca297John McCalltemplate <typename T> const T *Type::castAs() const { 4855d0370f59e79702ac908c81bf556519f91e9ca297John McCall ArrayType_cannot_be_used_with_getAs<T> at; 4856d0370f59e79702ac908c81bf556519f91e9ca297John McCall (void) at; 4857d0370f59e79702ac908c81bf556519f91e9ca297John McCall 4858d0370f59e79702ac908c81bf556519f91e9ca297John McCall assert(isa<T>(CanonicalType)); 4859d0370f59e79702ac908c81bf556519f91e9ca297John McCall if (const T *ty = dyn_cast<T>(this)) return ty; 4860d0370f59e79702ac908c81bf556519f91e9ca297John McCall return cast<T>(getUnqualifiedDesugaredType()); 4861d0370f59e79702ac908c81bf556519f91e9ca297John McCall} 4862d0370f59e79702ac908c81bf556519f91e9ca297John McCall 4863d0370f59e79702ac908c81bf556519f91e9ca297John McCallinline const ArrayType *Type::castAsArrayTypeUnsafe() const { 4864d0370f59e79702ac908c81bf556519f91e9ca297John McCall assert(isa<ArrayType>(CanonicalType)); 4865d0370f59e79702ac908c81bf556519f91e9ca297John McCall if (const ArrayType *arr = dyn_cast<ArrayType>(this)) return arr; 4866d0370f59e79702ac908c81bf556519f91e9ca297John McCall return cast<ArrayType>(getUnqualifiedDesugaredType()); 4867d0370f59e79702ac908c81bf556519f91e9ca297John McCall} 4868d0370f59e79702ac908c81bf556519f91e9ca297John McCall 48695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 48705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 48715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 4872