Type.h revision 1d9b3b25f7ac0d0195bba6b507a684fe5e7943ee
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" 26fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff#include "llvm/ADT/APSInt.h" 275cf243a883872441d73ca49cea7e20de5802629bChris Lattner#include "llvm/ADT/FoldingSet.h" 28cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor#include "llvm/ADT/Optional.h" 295cf243a883872441d73ca49cea7e20de5802629bChris Lattner#include "llvm/ADT/PointerIntPair.h" 301734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor#include "llvm/ADT/PointerUnion.h" 319594675cc1eb52a054de13c4a21e466643847480Chris Lattner#include "clang/Basic/LLVM.h" 327532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 336b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCallnamespace clang { 346b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { 35f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor TypeAlignmentInBits = 4, 366b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment = 1 << TypeAlignmentInBits 376b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall }; 38aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class Type; 39aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class ExtQuals; 40aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class QualType; 416b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall} 425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 434e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnernamespace llvm { 444e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner template <typename T> 45daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattner class PointerLikeTypeTraits; 46bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner template<> 47bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner class PointerLikeTypeTraits< ::clang::Type*> { 48bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner public: 49bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner static inline void *getAsVoidPointer(::clang::Type *P) { return P; } 50bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner static inline ::clang::Type *getFromVoidPointer(void *P) { 51bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner return static_cast< ::clang::Type*>(P); 52bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner } 536b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { NumLowBitsAvailable = clang::TypeAlignmentInBits }; 54bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner }; 550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall template<> 560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall class PointerLikeTypeTraits< ::clang::ExtQuals*> { 570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall public: 580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static inline void *getAsVoidPointer(::clang::ExtQuals *P) { return P; } 590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static inline ::clang::ExtQuals *getFromVoidPointer(void *P) { 600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return static_cast< ::clang::ExtQuals*>(P); 610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 626b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { NumLowBitsAvailable = clang::TypeAlignmentInBits }; 630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall }; 64aed1df80bf64228e1429c1edc408397f9174847cChris Lattner 65aed1df80bf64228e1429c1edc408397f9174847cChris Lattner template <> 66aed1df80bf64228e1429c1edc408397f9174847cChris Lattner struct isPodLike<clang::QualType> { static const bool value = true; }; 674e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner} 684e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner 695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class ASTContext; 71162e1c1b487352434552147967c3dd296ebee2f7Richard Smith class TypedefNameDecl; 7255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor class TemplateDecl; 7372c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor class TemplateTypeParmDecl; 74aaba5e346dffdbad5d1c42765a89e4a7afb0da67Douglas Gregor class NonTypeTemplateParmDecl; 757532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor class TemplateTemplateParmDecl; 765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TagDecl; 775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class RecordDecl; 7849aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis class CXXRecordDecl; 795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class EnumDecl; 8021d50e12c3c412d8457071dc419363b7a7e8b855Ted Kremenek class FieldDecl; 81a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCInterfaceDecl; 82a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCProtocolDecl; 83a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCMethodDecl; 84ed97649e9574b9d854fa4d6109c9333ae0993554John McCall class UnresolvedUsingTypenameDecl; 855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 86b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek class Stmt; 875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class SourceLocation; 8892866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek class StmtIteratorBase; 8940808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor class TemplateArgument; 90833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall class TemplateArgumentLoc; 91d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall class TemplateArgumentListInfo; 92465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara class ElaboratedType; 933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall class ExtQuals; 943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall class ExtQualsTypeCommonBase; 953b4ea54acf01f72f6eb74d96689dda86d950228fDaniel Dunbar struct PrintingPolicy; 9672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 97ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall template <typename> class CanQual; 98ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall typedef CanQual<Type> CanQualType; 99ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall 10072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // Provide forward declarations for all of the *Type classes 10172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) class Class##Type; 10272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 103f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// Qualifiers - The collection of all-type qualifiers we support. 1050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// Clang supports five independent qualifiers: 1060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * C99: const, volatile, and restrict 1070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * Embedded C (TR18037): address spaces 1080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * Objective C: the GC attributes (none, weak, or strong) 1090953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass Qualifiers { 1105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum TQ { // NOTE: These flags must be kept in sync with DeclSpec::TQ. 1125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Const = 0x1, 1135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Restrict = 0x2, 1145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Volatile = 0x4, 1150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CVRMask = Const | Volatile | Restrict 1165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 1171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum GC { 119d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian GCNone = 0, 120d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian Weak, 121d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian Strong 122d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian }; 123efadb7768e7c7418185f5a4010ecd8b21ca9731bJohn McCall 124f85e193739c953358c865005855253af4f68a497John McCall enum ObjCLifetime { 125f85e193739c953358c865005855253af4f68a497John McCall /// There is no lifetime qualification on this type. 126f85e193739c953358c865005855253af4f68a497John McCall OCL_None, 127f85e193739c953358c865005855253af4f68a497John McCall 128f85e193739c953358c865005855253af4f68a497John McCall /// This object can be modified without requiring retains or 129f85e193739c953358c865005855253af4f68a497John McCall /// releases. 130f85e193739c953358c865005855253af4f68a497John McCall OCL_ExplicitNone, 131f85e193739c953358c865005855253af4f68a497John McCall 132f85e193739c953358c865005855253af4f68a497John McCall /// Assigning into this object requires the old value to be 133f85e193739c953358c865005855253af4f68a497John McCall /// released and the new value to be retained. The timing of the 134f85e193739c953358c865005855253af4f68a497John McCall /// release of the old value is inexact: it may be moved to 135f85e193739c953358c865005855253af4f68a497John McCall /// immediately after the last known point where the value is 136f85e193739c953358c865005855253af4f68a497John McCall /// live. 137f85e193739c953358c865005855253af4f68a497John McCall OCL_Strong, 138f85e193739c953358c865005855253af4f68a497John McCall 139f85e193739c953358c865005855253af4f68a497John McCall /// Reading or writing from this object requires a barrier call. 140f85e193739c953358c865005855253af4f68a497John McCall OCL_Weak, 141f85e193739c953358c865005855253af4f68a497John McCall 142f85e193739c953358c865005855253af4f68a497John McCall /// Assigning into this object requires a lifetime extension. 143f85e193739c953358c865005855253af4f68a497John McCall OCL_Autoreleasing 144f85e193739c953358c865005855253af4f68a497John McCall }; 145f85e193739c953358c865005855253af4f68a497John McCall 1460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum { 1470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The maximum supported address space number. 1480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 24 bits should be enough for anyone. 1490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall MaxAddressSpace = 0xffffffu, 1500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The width of the "fast" qualifier mask. 152f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor FastWidth = 3, 1530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The fast qualifier mask. 1550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FastMask = (1 << FastWidth) - 1 1560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall }; 1570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers() : Mask(0) {} 1590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromFastMask(unsigned Mask) { 1610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.addFastQualifiers(Mask); 1630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromCVRMask(unsigned CVR) { 1670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.addCVRQualifiers(CVR); 1690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Deserialize qualifiers from an opaque representation. 1730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromOpaqueValue(unsigned opaque) { 1740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.Mask = opaque; 1760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Serialize these qualifiers into an opaque representation. 1800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAsOpaqueValue() const { 1810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Mask; 1820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasConst() const { return Mask & Const; } 1850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setConst(bool flag) { 1860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Const) | (flag ? Const : 0); 1870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeConst() { Mask &= ~Const; } 1890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { Mask |= Const; } 1900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasVolatile() const { return Mask & Volatile; } 1920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setVolatile(bool flag) { 1930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Volatile) | (flag ? Volatile : 0); 1940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeVolatile() { Mask &= ~Volatile; } 1960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addVolatile() { Mask |= Volatile; } 1970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasRestrict() const { return Mask & Restrict; } 1990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setRestrict(bool flag) { 2000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Restrict) | (flag ? Restrict : 0); 2010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeRestrict() { Mask &= ~Restrict; } 2030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addRestrict() { Mask |= Restrict; } 2040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasCVRQualifiers() const { return getCVRQualifiers(); } 2060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getCVRQualifiers() const { return Mask & CVRMask; } 2070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setCVRQualifiers(unsigned mask) { 2080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 2090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~CVRMask) | mask; 2100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers(unsigned mask) { 2120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 2130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask &= ~mask; 2140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers() { 2160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeCVRQualifiers(CVRMask); 2170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addCVRQualifiers(unsigned mask) { 2190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 2200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= mask; 2210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasObjCGCAttr() const { return Mask & GCAttrMask; } 2240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GC getObjCGCAttr() const { return GC((Mask & GCAttrMask) >> GCAttrShift); } 2250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setObjCGCAttr(GC type) { 2260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~GCAttrMask) | (type << GCAttrShift); 2270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeObjCGCAttr() { setObjCGCAttr(GCNone); } 2290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addObjCGCAttr(GC type) { 2300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(type); 2310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall setObjCGCAttr(type); 2320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2332234873111009eb8655d63362cedc422eb9fc517John McCall Qualifiers withoutObjCGCAttr() const { 2342234873111009eb8655d63362cedc422eb9fc517John McCall Qualifiers qs = *this; 2352234873111009eb8655d63362cedc422eb9fc517John McCall qs.removeObjCGCAttr(); 2362234873111009eb8655d63362cedc422eb9fc517John McCall return qs; 2372234873111009eb8655d63362cedc422eb9fc517John McCall } 238f85e193739c953358c865005855253af4f68a497John McCall Qualifiers withoutObjCGLifetime() const { 239f85e193739c953358c865005855253af4f68a497John McCall Qualifiers qs = *this; 240f85e193739c953358c865005855253af4f68a497John McCall qs.removeObjCLifetime(); 241f85e193739c953358c865005855253af4f68a497John McCall return qs; 242f85e193739c953358c865005855253af4f68a497John McCall } 2430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 244f85e193739c953358c865005855253af4f68a497John McCall bool hasObjCLifetime() const { return Mask & LifetimeMask; } 245f85e193739c953358c865005855253af4f68a497John McCall ObjCLifetime getObjCLifetime() const { 246f85e193739c953358c865005855253af4f68a497John McCall return ObjCLifetime((Mask & LifetimeMask) >> LifetimeShift); 247f85e193739c953358c865005855253af4f68a497John McCall } 248f85e193739c953358c865005855253af4f68a497John McCall void setObjCLifetime(ObjCLifetime type) { 249f85e193739c953358c865005855253af4f68a497John McCall Mask = (Mask & ~LifetimeMask) | (type << LifetimeShift); 250f85e193739c953358c865005855253af4f68a497John McCall } 251f85e193739c953358c865005855253af4f68a497John McCall void removeObjCLifetime() { setObjCLifetime(OCL_None); } 252f85e193739c953358c865005855253af4f68a497John McCall void addObjCLifetime(ObjCLifetime type) { 253f85e193739c953358c865005855253af4f68a497John McCall assert(type); 254f85e193739c953358c865005855253af4f68a497John McCall setObjCLifetime(type); 255f85e193739c953358c865005855253af4f68a497John McCall } 256f85e193739c953358c865005855253af4f68a497John McCall 257f85e193739c953358c865005855253af4f68a497John McCall /// True if the lifetime is neither None or ExplicitNone. 258f85e193739c953358c865005855253af4f68a497John McCall bool hasNonTrivialObjCLifetime() const { 259f85e193739c953358c865005855253af4f68a497John McCall ObjCLifetime lifetime = getObjCLifetime(); 260f85e193739c953358c865005855253af4f68a497John McCall return (lifetime > OCL_ExplicitNone); 261f85e193739c953358c865005855253af4f68a497John McCall } 262f85e193739c953358c865005855253af4f68a497John McCall 263f85e193739c953358c865005855253af4f68a497John McCall /// True if the lifetime is either strong or weak. 264f85e193739c953358c865005855253af4f68a497John McCall bool hasStrongOrWeakObjCLifetime() const { 265f85e193739c953358c865005855253af4f68a497John McCall ObjCLifetime lifetime = getObjCLifetime(); 266f85e193739c953358c865005855253af4f68a497John McCall return (lifetime == OCL_Strong || lifetime == OCL_Weak); 267f85e193739c953358c865005855253af4f68a497John McCall } 268f85e193739c953358c865005855253af4f68a497John McCall 2690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasAddressSpace() const { return Mask & AddressSpaceMask; } 2700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAddressSpace() const { return Mask >> AddressSpaceShift; } 2710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setAddressSpace(unsigned space) { 2720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(space <= MaxAddressSpace); 2730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~AddressSpaceMask) 2740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall | (((uint32_t) space) << AddressSpaceShift); 2750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeAddressSpace() { setAddressSpace(0); } 2770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addAddressSpace(unsigned space) { 2780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(space); 2790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall setAddressSpace(space); 2800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast qualifiers are those that can be allocated directly 2830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // on a QualType object. 2840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasFastQualifiers() const { return getFastQualifiers(); } 2850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getFastQualifiers() const { return Mask & FastMask; } 2860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setFastQualifiers(unsigned mask) { 2870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~FastMask) | mask; 2890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers(unsigned mask) { 2910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask &= ~mask; 2930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers() { 2950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(FastMask); 2960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned mask) { 2980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= mask; 3000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// hasNonFastQualifiers - Return true if the set contains any 3030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers which require an ExtQuals node to be allocated. 3040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasNonFastQualifiers() const { return Mask & ~FastMask; } 3050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getNonFastQualifiers() const { 3060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals = *this; 3070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.setFastQualifiers(0); 3080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Quals; 3090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// hasQualifiers - Return true if the set contains any qualifiers. 3120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasQualifiers() const { return Mask; } 3130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool empty() const { return !Mask; } 3140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// \brief Add the qualifiers from the given set to this set. 3160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addQualifiers(Qualifiers Q) { 3170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the other set doesn't have any non-boolean qualifiers, just 3180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // bit-or it in. 3190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!(Q.Mask & ~CVRMask)) 3200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= Q.Mask; 3210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall else { 3220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= (Q.Mask & CVRMask); 3230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Q.hasAddressSpace()) 3240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addAddressSpace(Q.getAddressSpace()); 3250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Q.hasObjCGCAttr()) 3260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addObjCGCAttr(Q.getObjCGCAttr()); 327f85e193739c953358c865005855253af4f68a497John McCall if (Q.hasObjCLifetime()) 328f85e193739c953358c865005855253af4f68a497John McCall addObjCLifetime(Q.getObjCLifetime()); 3290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \brief Add the qualifiers from the given set to this set, given that 33362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// they don't conflict. 33462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall void addConsistentQualifiers(Qualifiers qs) { 33562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall assert(getAddressSpace() == qs.getAddressSpace() || 33662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall !hasAddressSpace() || !qs.hasAddressSpace()); 33762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall assert(getObjCGCAttr() == qs.getObjCGCAttr() || 33862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall !hasObjCGCAttr() || !qs.hasObjCGCAttr()); 339f85e193739c953358c865005855253af4f68a497John McCall assert(getObjCLifetime() == qs.getObjCLifetime() || 340f85e193739c953358c865005855253af4f68a497John McCall !hasObjCLifetime() || !qs.hasObjCLifetime()); 34162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Mask |= qs.Mask; 34262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall } 34362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 34462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \brief Determines if these qualifiers compatibly include another set. 34562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// Generally this answers the question of whether an object with the other 34662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// qualifiers can be safely used as an object with these qualifiers. 34762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall bool compatiblyIncludes(Qualifiers other) const { 348377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor return 349377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor // Address spaces must match exactly. 350377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor getAddressSpace() == other.getAddressSpace() && 351377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor // ObjC GC qualifiers can match, be added, or be removed, but can't be 352377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor // changed. 353377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor (getObjCGCAttr() == other.getObjCGCAttr() || 354377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor !hasObjCGCAttr() || !other.hasObjCGCAttr()) && 355f85e193739c953358c865005855253af4f68a497John McCall // ObjC lifetime qualifiers must match exactly. 356f85e193739c953358c865005855253af4f68a497John McCall getObjCLifetime() == other.getObjCLifetime() && 357377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor // CVR qualifiers may subset. 358377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor (((Mask & CVRMask) | (other.Mask & CVRMask)) == (Mask & CVRMask)); 35962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall } 36062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 361f85e193739c953358c865005855253af4f68a497John McCall /// \brief Determines if these qualifiers compatibly include another set of 362f85e193739c953358c865005855253af4f68a497John McCall /// qualifiers from the narrow perspective of Objective-C ARC lifetime. 363f85e193739c953358c865005855253af4f68a497John McCall /// 364f85e193739c953358c865005855253af4f68a497John McCall /// One set of Objective-C lifetime qualifiers compatibly includes the other 365f85e193739c953358c865005855253af4f68a497John McCall /// if the lifetime qualifiers match, or if both are non-__weak and the 366f85e193739c953358c865005855253af4f68a497John McCall /// including set also contains the 'const' qualifier. 367f85e193739c953358c865005855253af4f68a497John McCall bool compatiblyIncludesObjCLifetime(Qualifiers other) const { 368f85e193739c953358c865005855253af4f68a497John McCall if (getObjCLifetime() == other.getObjCLifetime()) 369f85e193739c953358c865005855253af4f68a497John McCall return true; 370f85e193739c953358c865005855253af4f68a497John McCall 371f85e193739c953358c865005855253af4f68a497John McCall if (getObjCLifetime() == OCL_Weak || other.getObjCLifetime() == OCL_Weak) 372f85e193739c953358c865005855253af4f68a497John McCall return false; 373f85e193739c953358c865005855253af4f68a497John McCall 374f85e193739c953358c865005855253af4f68a497John McCall return hasConst(); 375f85e193739c953358c865005855253af4f68a497John McCall } 376f85e193739c953358c865005855253af4f68a497John McCall 377f85e193739c953358c865005855253af4f68a497John McCall bool isSupersetOf(Qualifiers Other) const; 378f85e193739c953358c865005855253af4f68a497John McCall 379769d0cc72b1831785596d0e76f327bdb887823beDouglas Gregor /// \brief Determine whether this set of qualifiers is a strict superset of 380769d0cc72b1831785596d0e76f327bdb887823beDouglas Gregor /// another set of qualifiers, not considering qualifier compatibility. 381769d0cc72b1831785596d0e76f327bdb887823beDouglas Gregor bool isStrictSupersetOf(Qualifiers Other) const; 382769d0cc72b1831785596d0e76f327bdb887823beDouglas Gregor 3830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator==(Qualifiers Other) const { return Mask == Other.Mask; } 3840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator!=(Qualifiers Other) const { return Mask != Other.Mask; } 3850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall operator bool() const { return hasQualifiers(); } 3870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers &operator+=(Qualifiers R) { 3890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addQualifiers(R); 3900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return *this; 3910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Union two qualifier sets. If an enumerated qualifier appears 3940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // in both sets, use the one from the right. 3950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend Qualifiers operator+(Qualifiers L, Qualifiers R) { 3960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall L += R; 3970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return L; 3980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3993cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor 4003cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor Qualifiers &operator-=(Qualifiers R) { 4013cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor Mask = Mask & ~(R.Mask); 4023cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor return *this; 4033cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor } 4040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4053cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor /// \brief Compute the difference between two qualifier sets. 4063cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor friend Qualifiers operator-(Qualifiers L, Qualifiers R) { 4073cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor L -= R; 4083cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor return L; 4093cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor } 4103cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor 4110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string getAsString() const; 4120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string getAsString(const PrintingPolicy &Policy) const { 4130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string Buffer; 4140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getAsStringInternal(Buffer, Policy); 4150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Buffer; 4160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void getAsStringInternal(std::string &S, const PrintingPolicy &Policy) const; 4180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) const { 4200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ID.AddInteger(Mask); 4210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4230953e767ff7817f97b3ab20896b229891eeff45bJohn McCallprivate: 4240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 425f85e193739c953358c865005855253af4f68a497John McCall // bits: |0 1 2|3 .. 4|5 .. 7|8 ... 31| 426f85e193739c953358c865005855253af4f68a497John McCall // |C R V|GCAttr|Lifetime|AddressSpace| 4270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall uint32_t Mask; 4280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrMask = 0x18; 4300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrShift = 3; 431f85e193739c953358c865005855253af4f68a497John McCall static const uint32_t LifetimeMask = 0xE0; 432f85e193739c953358c865005855253af4f68a497John McCall static const uint32_t LifetimeShift = 5; 433f85e193739c953358c865005855253af4f68a497John McCall static const uint32_t AddressSpaceMask = ~(CVRMask|GCAttrMask|LifetimeMask); 434f85e193739c953358c865005855253af4f68a497John McCall static const uint32_t AddressSpaceShift = 8; 4350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 4360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 437ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor/// CallingConv - Specifies the calling convention that a function uses. 438ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregorenum CallingConv { 439ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_Default, 440ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_C, // __attribute__((cdecl)) 441ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_X86StdCall, // __attribute__((stdcall)) 442f813a2c03fcb05381b3252010435f557eb6b3cdeDouglas Gregor CC_X86FastCall, // __attribute__((fastcall)) 44352fc314e1b5e1baee6305067cf831763d02bd243Dawn Perchik CC_X86ThisCall, // __attribute__((thiscall)) 444414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov CC_X86Pascal, // __attribute__((pascal)) 445414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov CC_AAPCS, // __attribute__((pcs("aapcs"))) 446414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov CC_AAPCS_VFP // __attribute__((pcs("aapcs-vfp"))) 447ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor}; 448ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 44949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCalltypedef std::pair<const Type*, Qualifiers> SplitQualType; 4500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// QualType - For efficiency, we don't store CV-qualified types as nodes on 4520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// their own: instead each reference to a type stores the qualifiers. This 4530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// greatly reduces the number of nodes we need to allocate for types (for 4540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// example we only need one for 'int', 'const int', 'volatile int', 4550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 'const volatile int', etc). 4560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 4570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// As an added efficiency bonus, instead of making this a pair, we 4580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// just store the two bits we care about in the low bits of the 4590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// pointer. To handle the packing/unpacking, we make QualType be a 4600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// simple wrapper class that acts like a smart pointer. A third bit 4610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// indicates whether there are extended qualifiers present, in which 4620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// case the pointer points to a special structure. 4630953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualType { 4640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Thankfully, these are efficiently composable. 4650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::PointerIntPair<llvm::PointerUnion<const Type*,const ExtQuals*>, 4660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::FastWidth> Value; 4670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *getExtQualsUnsafe() const { 4690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const ExtQuals*>(); 4700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *getTypePtrUnsafe() const { 4730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const Type*>(); 4740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ExtQualsTypeCommonBase *getCommonPtr() const { 4773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!isNull() && "Cannot retrieve a NULL type pointer"); 4783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall uintptr_t CommonPtrVal 4793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = reinterpret_cast<uintptr_t>(Value.getOpaqueValue()); 4803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall CommonPtrVal &= ~(uintptr_t)((1 << TypeAlignmentInBits) - 1); 4813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return reinterpret_cast<ExtQualsTypeCommonBase*>(CommonPtrVal); 4823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 4833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 4840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend class QualifierCollector; 4850953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 4865cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType() {} 4871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4885cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType(const Type *Ptr, unsigned Quals) 4890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 4900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType(const ExtQuals *Ptr, unsigned Quals) 4910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 4920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 493a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalFastQualifiers() const { return Value.getInt(); } 494a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor void setLocalFastQualifiers(unsigned Quals) { Value.setInt(Quals); } 4955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Retrieves a pointer to the underlying (unqualified) type. 4970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// This should really return a const Type, but it's not worth 4980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// changing all the users right now. 4991ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// 5001ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// This function requires that the type not be NULL. If the type might be 5011ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// NULL, use the (slightly less efficient) \c getTypePtrOrNull(). 5023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *getTypePtr() const; 5031ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor 5043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *getTypePtrOrNull() const; 5051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5064d9d157afb35742bc6348defbe45bc6de780ec77Kaelyn Uhrain /// Retrieves a pointer to the name of the base type. 5074d9d157afb35742bc6348defbe45bc6de780ec77Kaelyn Uhrain const IdentifierInfo *getBaseTypeIdentifier() const; 5084d9d157afb35742bc6348defbe45bc6de780ec77Kaelyn Uhrain 50949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall /// Divides a QualType into its unqualified type and a set of local 51049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall /// qualifiers. 5113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split() const; 51249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall 5135cf243a883872441d73ca49cea7e20de5802629bChris Lattner void *getAsOpaquePtr() const { return Value.getOpaqueValue(); } 514f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall static QualType getFromOpaquePtr(const void *Ptr) { 5155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType T; 516f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall T.Value.setFromOpaqueValue(const_cast<void*>(Ptr)); 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T; 5185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 520f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type &operator*() const { 5215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return *getTypePtr(); 5225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 524f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *operator->() const { 5255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getTypePtr(); 5265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 528467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonical() const; 52954e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isCanonicalAsParam() const; 530467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 5315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isNull - Return true if this QualType doesn't point to a type yet. 5325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isNull() const { 5330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().isNull(); 5345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 536a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 537a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "const" qualifier set, without looking through typedefs that may have 538a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "const" at a different level. 539a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalConstQualified() const { 540a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Const); 5410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 542a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 543a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is const-qualified. 544fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isConstQualified() const; 545a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 546a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 547a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "restrict" qualifier set, without looking through typedefs that may have 548a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "restrict" at a different level. 549a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalRestrictQualified() const { 550a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Restrict); 551a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor } 552a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 553a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is restrict-qualified. 554fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isRestrictQualified() const; 555a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 556a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 557a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "volatile" qualifier set, without looking through typedefs that may have 558a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "volatile" at a different level. 559a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalVolatileQualified() const { 560f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor return (getLocalFastQualifiers() & Qualifiers::Volatile); 5615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 563a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is volatile-qualified. 564fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isVolatileQualified() const; 565a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 566a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 567a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers, without looking through any typedefs that might add 568a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers at a different level. 569a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalQualifiers() const { 570a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return getLocalFastQualifiers() || hasLocalNonFastQualifiers(); 5710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 573a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type has any qualifiers. 574fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool hasQualifiers() const; 575a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 576a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 577a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "non-fast" qualifiers, e.g., those that are stored in an ExtQualType 578a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance. 579a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalNonFastQualifiers() const { 580a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return Value.getPointer().is<const ExtQuals*>(); 5810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 583a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers local to this particular QualType 584a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance, not including any qualifiers acquired through typedefs or 585a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// other sugar. 5863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers getLocalQualifiers() const; 5870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 588a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers applied to this type. 589fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Qualifiers getQualifiers() const; 590a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 591a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 592a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// local to this particular QualType instance, not including any qualifiers 593a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// acquired through typedefs or other sugar. 594a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalCVRQualifiers() const { 595f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor return getLocalFastQualifiers(); 5965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 597b381aac9bae6d608c72267dd0ed08ec6369e94e4Nuno Lopes 598a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 599a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// applied to this type. 600fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor unsigned getCVRQualifiers() const; 601e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 602bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isConstant(ASTContext& Ctx) const { 603bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return QualType::isConstant(*this, Ctx); 604bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 6051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 606f85e193739c953358c865005855253af4f68a497John McCall /// \brief Determine whether this is a Plain Old Data (POD) type (C++ 3.9p10). 607f85e193739c953358c865005855253af4f68a497John McCall bool isPODType(ASTContext &Context) const; 608f85e193739c953358c865005855253af4f68a497John McCall 609f85e193739c953358c865005855253af4f68a497John McCall /// isCXX11PODType() - Return true if this is a POD type according to the 610f85e193739c953358c865005855253af4f68a497John McCall /// more relaxed rules of the C++11 standard, regardless of the current 611f85e193739c953358c865005855253af4f68a497John McCall /// compilation's language. 612f85e193739c953358c865005855253af4f68a497John McCall /// (C++0x [basic.types]p9) 613f85e193739c953358c865005855253af4f68a497John McCall bool isCXX11PODType(ASTContext &Context) const; 614f85e193739c953358c865005855253af4f68a497John McCall 615f85e193739c953358c865005855253af4f68a497John McCall /// isTrivialType - Return true if this is a trivial type 616f85e193739c953358c865005855253af4f68a497John McCall /// (C++0x [basic.types]p9) 617f85e193739c953358c865005855253af4f68a497John McCall bool isTrivialType(ASTContext &Context) const; 618f85e193739c953358c865005855253af4f68a497John McCall 619f85e193739c953358c865005855253af4f68a497John McCall /// isTriviallyCopyableType - Return true if this is a trivially 620f85e193739c953358c865005855253af4f68a497John McCall /// copyable type (C++0x [basic.types]p9) 621f85e193739c953358c865005855253af4f68a497John McCall bool isTriviallyCopyableType(ASTContext &Context) const; 622f85e193739c953358c865005855253af4f68a497John McCall 6230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Don't promise in the API that anything besides 'const' can be 6240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // easily added. 6250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 6260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// addConst - add the specified type qualifier to this QualType. 6270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { 6280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addFastQualifiers(Qualifiers::Const); 6290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withConst() const { 6310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return withFastQualifiers(Qualifiers::Const); 6320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 634308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt /// addVolatile - add the specified type qualifier to this QualType. 635308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt void addVolatile() { 636308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt addFastQualifiers(Qualifiers::Volatile); 637308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt } 638308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt QualType withVolatile() const { 639308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt return withFastQualifiers(Qualifiers::Volatile); 640308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt } 641308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt 642a07398ed98ea2b55ad7a505a3aab18aed93b149fJohn McCall QualType withCVRQualifiers(unsigned CVR) const { 643a07398ed98ea2b55ad7a505a3aab18aed93b149fJohn McCall return withFastQualifiers(CVR); 644a07398ed98ea2b55ad7a505a3aab18aed93b149fJohn McCall } 645a07398ed98ea2b55ad7a505a3aab18aed93b149fJohn McCall 6460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned TQs) { 6470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(TQs & ~Qualifiers::FastMask) 6480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "non-fast qualifier bits set in mask!"); 6490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() | TQs); 6500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 65249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalConst(); 65349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalVolatile(); 65449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalRestrict(); 65549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalCVRQualifiers(unsigned Mask); 6560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 65749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalFastQualifiers() { Value.setInt(0); } 65849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalFastQualifiers(unsigned Mask) { 6590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(Mask & ~Qualifiers::FastMask) && "mask has non-fast qualifiers"); 6600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() & ~Mask); 6610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with the given qualifiers in addition to any 6640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualifiers already on this type. 6650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withFastQualifiers(unsigned TQs) const { 6660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 6670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall T.addFastQualifiers(TQs); 6680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 6690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6701c6a38bcea17801e9a4738753aee845381af2b6cSanjiv Gupta 6710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with exactly the given fast qualifiers, removing 6720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // any existing fast qualifiers. 67349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType withExactLocalFastQualifiers(unsigned TQs) const { 67449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return withoutLocalFastQualifiers().withFastQualifiers(TQs); 6755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 6770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Removes fast qualifiers, but leaves any extended qualifiers in place. 67849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType withoutLocalFastQualifiers() const { 6790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 68049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall T.removeLocalFastQualifiers(); 6810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 682c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 683971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis 6843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType getCanonicalType() const; 6853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 686a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Return this type with all of the instance-specific qualifiers 687a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// removed, but without removing any qualifiers that may have been applied 688a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// through typedefs. 689a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor QualType getLocalUnqualifiedType() const { return QualType(getTypePtr(), 0); } 6901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 69162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \brief Retrieve the unqualified variant of the given type, 69262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// removing as little sugar as possible. 69362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 69462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// This routine looks through various kinds of sugar to find the 69562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// least-desugared type that is unqualified. For example, given: 69662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 69762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \code 69862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// typedef int Integer; 69962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// typedef const Integer CInteger; 70062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// typedef CInteger DifferenceType; 70162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \endcode 70262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 70362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// Executing \c getUnqualifiedType() on the type \c DifferenceType will 70462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// desugar until we hit the type \c Integer, which has no qualifiers on it. 70562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 70662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// The resulting type might still be qualified if it's an array 70762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// type. To strip qualifiers even from within an array type, use 70862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// ASTContext::getUnqualifiedArrayType. 70962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall inline QualType getUnqualifiedType() const; 71062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 71162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// getSplitUnqualifiedType - Retrieve the unqualified variant of the 71262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// given type, removing as little sugar as possible. 71362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 71462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// Like getUnqualifiedType(), but also returns the set of 71562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// qualifiers that were built up. 71662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 71762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// The resulting type might still be qualified if it's an array 71862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// type. To strip qualifiers even from within an array type, use 71962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// ASTContext::getUnqualifiedArrayType. 72062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall inline SplitQualType getSplitUnqualifiedType() const; 721a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 72261d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor /// \brief Determine whether this type is more qualified than the other 72361d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor /// given type, requiring exact equality for non-CVR qualifiers. 724e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isMoreQualifiedThan(QualType Other) const; 72561d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor 72661d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor /// \brief Determine whether this type is at least as qualified as the other 72761d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor /// given type, requiring exact equality for non-CVR qualifiers. 728e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isAtLeastAsQualifiedAs(QualType Other) const; 72961d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor 730e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor QualType getNonReferenceType() const; 7311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7326398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// \brief Determine the type of a (typically non-lvalue) expression with the 7336398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// specified result type. 7345291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// 7356398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// This routine should be used for expressions for which the return type is 7366398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// explicitly specified (e.g., in a cast or call) and isn't necessarily 7376398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// an lvalue. It removes a top-level reference (since there are no 7385291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// expressions of reference type) and deletes top-level cvr-qualifiers 7395291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// from non-class types (in C++) or all types (in C). 7406398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor QualType getNonLValueExprType(ASTContext &Context) const; 7415291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 7422fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// getDesugaredType - Return the specified type with any "sugar" removed from 7432fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type. This takes off typedefs, typeof's etc. If the outer level of 7442fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type is already concrete, it returns it unmodified. This is similar 7452fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// to getting the canonical type, but it doesn't remove *all* typedefs. For 7462fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// example, it returns "T*" as "T*", (not as "int*"), because the pointer is 7472fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// concrete. 7480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 7490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Qualifiers are left in place. 7504ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType getDesugaredType(const ASTContext &Context) const { 75149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getDesugaredType(*this, Context); 75249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 75349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall 75449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall SplitQualType getSplitDesugaredType() const { 75549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getSplitDesugaredType(*this); 756bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 75798cd599ee8a9b259ed7388ee2921a20d97658864Douglas Gregor 758f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor /// \brief Return the specified type with one level of "sugar" removed from 759f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor /// the type. 760f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor /// 761f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor /// This routine takes off the first typedef, typeof, etc. If the outer level 762f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor /// of the type is already concrete, it returns it unmodified. 763f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor QualType getSingleStepDesugaredType(const ASTContext &Context) const; 764f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor 765075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara /// IgnoreParens - Returns the specified type after dropping any 766075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara /// outer-level parentheses. 767075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType IgnoreParens() const { 768723df245307a530da5433dfb43accf187dc3e243Abramo Bagnara if (isa<ParenType>(*this)) 769723df245307a530da5433dfb43accf187dc3e243Abramo Bagnara return QualType::IgnoreParens(*this); 770723df245307a530da5433dfb43accf187dc3e243Abramo Bagnara return *this; 771075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 772075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 7735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// operator==/!= - Indicate whether the specified types and qualifiers are 7745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// identical. 77550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator==(const QualType &LHS, const QualType &RHS) { 77650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value == RHS.Value; 7775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 77850d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator!=(const QualType &LHS, const QualType &RHS) { 77950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value != RHS.Value; 7805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 78149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall std::string getAsString() const { 78249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsString(split()); 78349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 78449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static std::string getAsString(SplitQualType split) { 78549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsString(split.first, split.second); 78649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 78749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static std::string getAsString(const Type *ty, Qualifiers qs); 788d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor 789d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor std::string getAsString(const PrintingPolicy &Policy) const { 7905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::string S; 791d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor getAsStringInternal(S, Policy); 7925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return S; 7935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 794e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner void getAsStringInternal(std::string &Str, 79549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &Policy) const { 79649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsStringInternal(split(), Str, Policy); 79749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 79849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static void getAsStringInternal(SplitQualType split, std::string &out, 79949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &policy) { 80049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsStringInternal(split.first, split.second, out, policy); 80149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 80249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static void getAsStringInternal(const Type *ty, Qualifiers qs, 80349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall std::string &out, 80449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &policy); 8051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 806c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump(const char *s) const; 807c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 8081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8093f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) const { 8103f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek ID.AddPointer(getAsOpaquePtr()); 8113f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek } 8125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 813ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// getAddressSpace - Return the address space of this type. 814ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb inline unsigned getAddressSpace() const; 8151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 816f85e193739c953358c865005855253af4f68a497John McCall /// getObjCGCAttr - Returns gc attribute of this type. 8170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall inline Qualifiers::GC getObjCGCAttr() const; 818f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 819f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCWeak true when Type is objc's weak. 820f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCWeak() const { 8210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Weak; 822f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 823f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 824f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCStrong true when Type is objc's strong. 825f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCStrong() const { 8260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Strong; 827f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 8282455636163fdd18581d7fdae816433f886d88213Mike Stump 829f85e193739c953358c865005855253af4f68a497John McCall /// getObjCLifetime - Returns lifetime attribute of this type. 830f85e193739c953358c865005855253af4f68a497John McCall Qualifiers::ObjCLifetime getObjCLifetime() const { 831f85e193739c953358c865005855253af4f68a497John McCall return getQualifiers().getObjCLifetime(); 832f85e193739c953358c865005855253af4f68a497John McCall } 833f85e193739c953358c865005855253af4f68a497John McCall 834f85e193739c953358c865005855253af4f68a497John McCall bool hasNonTrivialObjCLifetime() const { 835f85e193739c953358c865005855253af4f68a497John McCall return getQualifiers().hasNonTrivialObjCLifetime(); 836f85e193739c953358c865005855253af4f68a497John McCall } 837f85e193739c953358c865005855253af4f68a497John McCall 838f85e193739c953358c865005855253af4f68a497John McCall bool hasStrongOrWeakObjCLifetime() const { 839f85e193739c953358c865005855253af4f68a497John McCall return getQualifiers().hasStrongOrWeakObjCLifetime(); 840f85e193739c953358c865005855253af4f68a497John McCall } 841f85e193739c953358c865005855253af4f68a497John McCall 8420d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall enum DestructionKind { 8430d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall DK_none, 844f85e193739c953358c865005855253af4f68a497John McCall DK_cxx_destructor, 845f85e193739c953358c865005855253af4f68a497John McCall DK_objc_strong_lifetime, 846f85e193739c953358c865005855253af4f68a497John McCall DK_objc_weak_lifetime 8470d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall }; 8480d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall 8490d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall /// isDestructedType - nonzero if objects of this type require 8500d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall /// non-trivial work to clean up after. Non-zero because it's 8510d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall /// conceivable that qualifiers (objc_gc(weak)?) could make 8520d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall /// something require destruction. 8530d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall DestructionKind isDestructedType() const { 8540d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall return isDestructedTypeImpl(*this); 8550d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall } 8560d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall 8572b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// \brief Determine whether expressions of the given type are forbidden 8582b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// from being lvalues in C. 8592b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// 8602b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// The expression types that are forbidden to be lvalues are: 8612b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// - 'void', but not qualified void 8622b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// - function types 8632b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// 8642b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// The exact rule here is C99 6.3.2.1: 8652b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// An lvalue is an expression with an object type or an incomplete 8662b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// type other than void. 8672b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor bool isCForbiddenLValueType() const; 8682b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor 86985ea7aa961deac1d754f610af8062ae3f8b4e2a5Sebastian Redl /// \brief Determine whether this type has trivial copy/move-assignment 87085ea7aa961deac1d754f610af8062ae3f8b4e2a5Sebastian Redl /// semantics. 87185ea7aa961deac1d754f610af8062ae3f8b4e2a5Sebastian Redl bool hasTrivialAssignment(ASTContext &Context, bool Copying) const; 872f85e193739c953358c865005855253af4f68a497John McCall 873bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCallprivate: 874bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // These methods are implemented in a separate translation unit; 875bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // "static"-ize them to avoid creating temporary QualTypes in the 876bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // caller. 877bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall static bool isConstant(QualType T, ASTContext& Ctx); 8784ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static QualType getDesugaredType(QualType T, const ASTContext &Context); 87949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static SplitQualType getSplitDesugaredType(QualType T); 88062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall static SplitQualType getSplitUnqualifiedTypeImpl(QualType type); 881075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static QualType IgnoreParens(QualType T); 8820d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall static DestructionKind isDestructedTypeImpl(QualType type); 8835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end clang. 8865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace llvm { 8885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Implement simplify_type for QualType, so that we can dyn_cast from QualType 8895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// to a specific Type class. 8905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type<const ::clang::QualType> { 891f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall typedef const ::clang::Type *SimpleType; 8925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static SimpleType getSimplifiedValue(const ::clang::QualType &Val) { 8934472fc641ea3069463798fb56a04043c28ea2910Douglas Gregor return Val.getTypePtr(); 8945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type< ::clang::QualType> 8975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : public simplify_type<const ::clang::QualType> {}; 8981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8994e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner// Teach SmallPtrSet that QualType is "basically a pointer". 9004e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnertemplate<> 901daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattnerclass PointerLikeTypeTraits<clang::QualType> { 9024e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnerpublic: 9034e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline void *getAsVoidPointer(clang::QualType P) { 9044e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return P.getAsOpaquePtr(); 9054e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 9064e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline clang::QualType getFromVoidPointer(void *P) { 9074e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return clang::QualType::getFromOpaquePtr(P); 9084e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 9090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Various qualifiers go in low bits. 9100eda3b31a672ea486fa92b9bc49a2c91be856b53Chris Lattner enum { NumLowBitsAvailable = 0 }; 9114e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner}; 9121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 91373af669633e13c813f80cd15ecf3e6414778aee4Ted Kremenek} // end namespace llvm 9145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 9165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// \brief Base class that is common to both the \c ExtQuals and \c Type 9183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// classes, which allows \c QualType to access the common fields between the 9193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// two. 9203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// 9213b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallclass ExtQualsTypeCommonBase { 9223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQualsTypeCommonBase(const Type *baseType, QualType canon) 9233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall : BaseType(baseType), CanonicalType(canon) {} 9243b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// \brief The "base" type of an extended qualifiers type (\c ExtQuals) or 9263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// a self-referential pointer (for \c Type). 9273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// 9283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// This pointer allows an efficient mapping from a QualType to its 9293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// underlying type pointer. 9303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *const BaseType; 9313b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9323b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// \brief The canonical type of this type. A QualType. 9333b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType CanonicalType; 9343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall friend class QualType; 9363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall friend class Type; 9373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall friend class ExtQuals; 9383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall}; 9393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// ExtQuals - We can encode up to four bits in the low bits of a 9413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// type pointer, but there are many more type qualifiers that we want 9423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// to be able to apply to an arbitrary type. Therefore we have this 9433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// struct, intended to be heap-allocated and used by QualType to 9443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// store qualifiers. 9453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// 9463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// The current design tags the 'const', 'restrict', and 'volatile' qualifiers 9473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// in three low bits on the QualType pointer; a fourth bit records whether 9483b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// the pointer is an ExtQuals node. The extended qualifiers (address spaces, 9493b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// Objective-C GC attributes) are much more rare. 9503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallclass ExtQuals : public ExtQualsTypeCommonBase, public llvm::FoldingSetNode { 9513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // NOTE: changing the fast qualifiers should be straightforward as 9523b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // long as you don't make 'const' non-fast. 9533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // 1. Qualifiers: 9543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // a) Modify the bitmasks (Qualifiers::TQ and DeclSpec::TQ). 9553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Fast qualifiers must occupy the low-order bits. 9563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // b) Update Qualifiers::FastWidth and FastMask. 9573b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // 2. QualType: 9583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // a) Update is{Volatile,Restrict}Qualified(), defined inline. 9593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // b) Update remove{Volatile,Restrict}, defined near the end of 9603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // this header. 9613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // 3. ASTContext: 9623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // a) Update get{Volatile,Restrict}Type. 9633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// Quals - the immutable set of qualifiers applied by this 9653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// node; always contains extended qualifiers. 9663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers Quals; 9673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals *this_() { return this; } 9693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallpublic: 9713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals(const Type *baseType, QualType canon, Qualifiers quals) 9723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall : ExtQualsTypeCommonBase(baseType, 9733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon.isNull() ? QualType(this_(), 0) : canon), 9743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals(quals) 9753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall { 9763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(Quals.hasNonFastQualifiers() 9773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall && "ExtQuals created with no fast qualifiers"); 9783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!Quals.hasFastQualifiers() 9793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall && "ExtQuals created with fast qualifiers"); 9803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 9813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers getQualifiers() const { return Quals; } 9833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall bool hasObjCGCAttr() const { return Quals.hasObjCGCAttr(); } 9853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers::GC getObjCGCAttr() const { return Quals.getObjCGCAttr(); } 9863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 987f85e193739c953358c865005855253af4f68a497John McCall bool hasObjCLifetime() const { return Quals.hasObjCLifetime(); } 988f85e193739c953358c865005855253af4f68a497John McCall Qualifiers::ObjCLifetime getObjCLifetime() const { 989f85e193739c953358c865005855253af4f68a497John McCall return Quals.getObjCLifetime(); 990f85e193739c953358c865005855253af4f68a497John McCall } 991f85e193739c953358c865005855253af4f68a497John McCall 9923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall bool hasAddressSpace() const { return Quals.hasAddressSpace(); } 9933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned getAddressSpace() const { return Quals.getAddressSpace(); } 9943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *getBaseType() const { return BaseType; } 9963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallpublic: 9983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void Profile(llvm::FoldingSetNodeID &ID) const { 9993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Profile(ID, getBaseType(), Quals); 10003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 10013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall static void Profile(llvm::FoldingSetNodeID &ID, 10023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *BaseType, 10033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers Quals) { 10043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!Quals.hasFastQualifiers() && "fast qualifiers in ExtQuals hash!"); 10053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ID.AddPointer(BaseType); 10063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals.Profile(ID); 10073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 10083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall}; 10093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 1010c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor/// \brief The kind of C++0x ref-qualifier associated with a function type, 1011c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor/// which determines whether a member function's "this" object can be an 1012c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor/// lvalue, rvalue, or neither. 1013c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregorenum RefQualifierKind { 1014c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief No ref-qualifier was provided. 1015c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RQ_None = 0, 1016c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief An lvalue ref-qualifier was provided (\c &). 1017c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RQ_LValue, 1018c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief An rvalue ref-qualifier was provided (\c &&). 1019c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RQ_RValue 1020c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor}; 1021c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 10225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Type - This is the base class of the type hierarchy. A central concept 10235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// with types is that each type always has a canonical type. A canonical type 10245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is the type with any typedef names stripped out of it or the types it 10255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// references. For example, consider: 10265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef int foo; 10285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef foo* bar; 10295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int *' 'foo *' 'bar' 10305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// There will be a Type object created for 'int'. Since int is canonical, its 10325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonicaltype pointer points to itself. There is also a Type for 'foo' (a 103372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypedefType). Its CanonicalType pointer points to the 'int' Type. Next 10345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// there is a PointerType that represents 'int*', which, like 'int', is 10355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonical. Finally, there is a PointerType type for 'foo*' whose canonical 103672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// type is 'int*', and there is a TypedefType for 'bar', whose canonical type 10375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is also 'int*'. 10385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Non-canonical types are useful for emitting diagnostics, without losing 10405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// information about typedefs being used. Canonical types are useful for type 10415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// comparisons (they allow by-pointer equality tests) and useful for reasoning 10425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// about whether something has a particular form (e.g. is a function type), 10435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// because they implicitly, recursively, strip all typedefs out of a type. 10445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Types, once created, are immutable. 10465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10471ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregorclass Type : public ExtQualsTypeCommonBase { 10485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum TypeClass { 105072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) Class, 105127935ee59c30b0d8b610ab676aab8e65350af932John McCall#define LAST_TYPE(Class) TypeLast = Class, 105272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 105372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 105472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor TagFirst = Record, TagLast = Enum 10555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 10561bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 10575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 1058c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Type(const Type&); // DO NOT IMPLEMENT. 1059c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void operator=(const Type&); // DO NOT IMPLEMENT. 1060c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 1061b870b88df784c2940efce448ebfaf54dece14666John McCall /// Bitfields required by the Type class. 1062b870b88df784c2940efce448ebfaf54dece14666John McCall class TypeBitfields { 1063b870b88df784c2940efce448ebfaf54dece14666John McCall friend class Type; 1064b7b2688bab0eac053d3e2938b329c8e523fd252bJohn McCall template <class T> friend class TypePropertyCache; 106527935ee59c30b0d8b610ab676aab8e65350af932John McCall 1066b870b88df784c2940efce448ebfaf54dece14666John McCall /// TypeClass bitfield - Enum that specifies what subclass this belongs to. 1067b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned TC : 8; 1068b870b88df784c2940efce448ebfaf54dece14666John McCall 1069b870b88df784c2940efce448ebfaf54dece14666John McCall /// Dependent - Whether this type is a dependent type (C++ [temp.dep.type]). 1070b870b88df784c2940efce448ebfaf54dece14666John McCall /// Note that this should stay at the end of the ivars for Type so that 1071b870b88df784c2940efce448ebfaf54dece14666John McCall /// subclasses can pack their bitfields into the same word. 1072bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned Dependent : 1; 107360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 1074561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// \brief Whether this type somehow involves a template parameter, even 1075561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// if the resolution of the type does not depend on a template parameter. 1076561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor unsigned InstantiationDependent : 1; 1077561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor 1078b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Whether this type is a variably-modified type (C99 6.7.5). 1079bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned VariablyModified : 1; 1080d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 1081d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Whether this type contains an unexpanded parameter pack 1082d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// (for C++0x variadic templates). 1083d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned ContainsUnexpandedParameterPack : 1; 108435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 10851fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Nonzero if the cache (i.e. the bitfields here starting 10861fb0caaa7bef765b85972274e3b434af2572c141John McCall /// with 'Cache') is valid. If so, then this is a 10871fb0caaa7bef765b85972274e3b434af2572c141John McCall /// LangOptions::VisibilityMode+1. 10881fb0caaa7bef765b85972274e3b434af2572c141John McCall mutable unsigned CacheValidAndVisibility : 2; 108960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 1090b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Linkage of this type. 1091b870b88df784c2940efce448ebfaf54dece14666John McCall mutable unsigned CachedLinkage : 2; 109207a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1093b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Whether this type involves and local or unnamed types. 1094bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet mutable unsigned CachedLocalOrUnnamed : 1; 1095db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor 1096b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief FromAST - Whether this type comes from an AST file. 1097bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet mutable unsigned FromAST : 1; 1098b870b88df784c2940efce448ebfaf54dece14666John McCall 10991fb0caaa7bef765b85972274e3b434af2572c141John McCall bool isCacheValid() const { 11001fb0caaa7bef765b85972274e3b434af2572c141John McCall return (CacheValidAndVisibility != 0); 11011fb0caaa7bef765b85972274e3b434af2572c141John McCall } 11021fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility getVisibility() const { 11031fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 11041fb0caaa7bef765b85972274e3b434af2572c141John McCall return static_cast<Visibility>(CacheValidAndVisibility-1); 11051fb0caaa7bef765b85972274e3b434af2572c141John McCall } 11061fb0caaa7bef765b85972274e3b434af2572c141John McCall Linkage getLinkage() const { 11071fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 11081fb0caaa7bef765b85972274e3b434af2572c141John McCall return static_cast<Linkage>(CachedLinkage); 11091fb0caaa7bef765b85972274e3b434af2572c141John McCall } 11101fb0caaa7bef765b85972274e3b434af2572c141John McCall bool hasLocalOrUnnamedType() const { 11111fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 11121fb0caaa7bef765b85972274e3b434af2572c141John McCall return CachedLocalOrUnnamed; 11131fb0caaa7bef765b85972274e3b434af2572c141John McCall } 1114b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1115561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor enum { NumTypeBits = 18 }; 1116b870b88df784c2940efce448ebfaf54dece14666John McCall 1117b870b88df784c2940efce448ebfaf54dece14666John McCallprotected: 1118b870b88df784c2940efce448ebfaf54dece14666John McCall // These classes allow subclasses to somewhat cleanly pack bitfields 1119b870b88df784c2940efce448ebfaf54dece14666John McCall // into Type. 1120b870b88df784c2940efce448ebfaf54dece14666John McCall 1121b870b88df784c2940efce448ebfaf54dece14666John McCall class ArrayTypeBitfields { 1122b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ArrayType; 1123b870b88df784c2940efce448ebfaf54dece14666John McCall 1124b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1125b870b88df784c2940efce448ebfaf54dece14666John McCall 1126b870b88df784c2940efce448ebfaf54dece14666John McCall /// IndexTypeQuals - CVR qualifiers from declarations like 1127b870b88df784c2940efce448ebfaf54dece14666John McCall /// 'int X[static restrict 4]'. For function parameters only. 1128b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned IndexTypeQuals : 3; 1129b870b88df784c2940efce448ebfaf54dece14666John McCall 1130b870b88df784c2940efce448ebfaf54dece14666John McCall /// SizeModifier - storage class qualifiers from declarations like 1131b870b88df784c2940efce448ebfaf54dece14666John McCall /// 'int X[static restrict 4]'. For function parameters only. 1132b870b88df784c2940efce448ebfaf54dece14666John McCall /// Actually an ArrayType::ArraySizeModifier. 1133b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned SizeModifier : 3; 1134b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1135b870b88df784c2940efce448ebfaf54dece14666John McCall 1136b870b88df784c2940efce448ebfaf54dece14666John McCall class BuiltinTypeBitfields { 1137b870b88df784c2940efce448ebfaf54dece14666John McCall friend class BuiltinType; 1138b870b88df784c2940efce448ebfaf54dece14666John McCall 1139b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1140b870b88df784c2940efce448ebfaf54dece14666John McCall 1141b870b88df784c2940efce448ebfaf54dece14666John McCall /// The kind (BuiltinType::Kind) of builtin type this is. 1142b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned Kind : 8; 1143b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1144b870b88df784c2940efce448ebfaf54dece14666John McCall 1145b870b88df784c2940efce448ebfaf54dece14666John McCall class FunctionTypeBitfields { 1146b870b88df784c2940efce448ebfaf54dece14666John McCall friend class FunctionType; 1147b870b88df784c2940efce448ebfaf54dece14666John McCall 1148b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1149b870b88df784c2940efce448ebfaf54dece14666John McCall 1150b870b88df784c2940efce448ebfaf54dece14666John McCall /// Extra information which affects how the function is called, like 1151b870b88df784c2940efce448ebfaf54dece14666John McCall /// regparm and the calling convention. 11527e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor unsigned ExtInfo : 8; 1153b870b88df784c2940efce448ebfaf54dece14666John McCall 1154e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall /// Whether the function is variadic. Only used by FunctionProtoType. 1155e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall unsigned Variadic : 1; 1156b870b88df784c2940efce448ebfaf54dece14666John McCall 1157b870b88df784c2940efce448ebfaf54dece14666John McCall /// TypeQuals - Used only by FunctionProtoType, put here to pack with the 1158b870b88df784c2940efce448ebfaf54dece14666John McCall /// other bitfields. 1159b870b88df784c2940efce448ebfaf54dece14666John McCall /// The qualifiers are part of FunctionProtoType because... 1160b870b88df784c2940efce448ebfaf54dece14666John McCall /// 1161b870b88df784c2940efce448ebfaf54dece14666John McCall /// C++ 8.3.5p4: The return type, the parameter type list and the 1162b870b88df784c2940efce448ebfaf54dece14666John McCall /// cv-qualifier-seq, [...], are part of the function type. 1163b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned TypeQuals : 3; 1164c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 1165c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief The ref-qualifier associated with a \c FunctionProtoType. 1166c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// 1167c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// This is a value of type \c RefQualifierKind. 1168c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor unsigned RefQualifier : 2; 1169b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1170b870b88df784c2940efce448ebfaf54dece14666John McCall 1171b870b88df784c2940efce448ebfaf54dece14666John McCall class ObjCObjectTypeBitfields { 1172b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ObjCObjectType; 1173b870b88df784c2940efce448ebfaf54dece14666John McCall 1174b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1175b870b88df784c2940efce448ebfaf54dece14666John McCall 1176b870b88df784c2940efce448ebfaf54dece14666John McCall /// NumProtocols - The number of protocols stored directly on this 1177b870b88df784c2940efce448ebfaf54dece14666John McCall /// object type. 1178b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned NumProtocols : 32 - NumTypeBits; 1179b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1180b870b88df784c2940efce448ebfaf54dece14666John McCall 1181b870b88df784c2940efce448ebfaf54dece14666John McCall class ReferenceTypeBitfields { 1182b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ReferenceType; 1183b870b88df784c2940efce448ebfaf54dece14666John McCall 1184b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1185b870b88df784c2940efce448ebfaf54dece14666John McCall 1186b870b88df784c2940efce448ebfaf54dece14666John McCall /// True if the type was originally spelled with an lvalue sigil. 1187b870b88df784c2940efce448ebfaf54dece14666John McCall /// This is never true of rvalue references but can also be false 1188b870b88df784c2940efce448ebfaf54dece14666John McCall /// on lvalue references because of C++0x [dcl.typedef]p9, 1189b870b88df784c2940efce448ebfaf54dece14666John McCall /// as follows: 1190b870b88df784c2940efce448ebfaf54dece14666John McCall /// 1191b870b88df784c2940efce448ebfaf54dece14666John McCall /// typedef int &ref; // lvalue, spelled lvalue 1192b870b88df784c2940efce448ebfaf54dece14666John McCall /// typedef int &&rvref; // rvalue 1193b870b88df784c2940efce448ebfaf54dece14666John McCall /// ref &a; // lvalue, inner ref, spelled lvalue 1194b870b88df784c2940efce448ebfaf54dece14666John McCall /// ref &&a; // lvalue, inner ref 1195b870b88df784c2940efce448ebfaf54dece14666John McCall /// rvref &a; // lvalue, inner ref, spelled lvalue 1196b870b88df784c2940efce448ebfaf54dece14666John McCall /// rvref &&a; // rvalue, inner ref 1197bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned SpelledAsLValue : 1; 1198b870b88df784c2940efce448ebfaf54dece14666John McCall 1199b870b88df784c2940efce448ebfaf54dece14666John McCall /// True if the inner type is a reference type. This only happens 1200b870b88df784c2940efce448ebfaf54dece14666John McCall /// in non-canonical forms. 1201bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned InnerRef : 1; 1202b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1203b870b88df784c2940efce448ebfaf54dece14666John McCall 120477be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall class TypeWithKeywordBitfields { 120577be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall friend class TypeWithKeyword; 120677be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 120777be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned : NumTypeBits; 120877be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 120977be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall /// An ElaboratedTypeKeyword. 8 bits for efficient access. 121077be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned Keyword : 8; 121177be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall }; 121277be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 1213b870b88df784c2940efce448ebfaf54dece14666John McCall class VectorTypeBitfields { 1214b870b88df784c2940efce448ebfaf54dece14666John McCall friend class VectorType; 121507a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1216b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 121771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 1218e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson /// VecKind - The kind of vector, either a generic vector type or some 1219e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson /// target-specific vector type such as for AltiVec or Neon. 1220cc3b946c35c4372272034e6f0663089477a9a5bdBob Wilson unsigned VecKind : 3; 1221b870b88df784c2940efce448ebfaf54dece14666John McCall 1222b870b88df784c2940efce448ebfaf54dece14666John McCall /// NumElements - The number of elements in the vector. 1223cc3b946c35c4372272034e6f0663089477a9a5bdBob Wilson unsigned NumElements : 29 - NumTypeBits; 1224b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1225b870b88df784c2940efce448ebfaf54dece14666John McCall 12269d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall class AttributedTypeBitfields { 12279d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall friend class AttributedType; 12289d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 12299d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall unsigned : NumTypeBits; 12309d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 12319d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall /// AttrKind - an AttributedType::Kind 12329d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall unsigned AttrKind : 32 - NumTypeBits; 12339d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall }; 12349d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 1235b870b88df784c2940efce448ebfaf54dece14666John McCall union { 1236b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBitfields TypeBits; 1237b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBitfields ArrayTypeBits; 12389d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedTypeBitfields AttributedTypeBits; 1239b870b88df784c2940efce448ebfaf54dece14666John McCall BuiltinTypeBitfields BuiltinTypeBits; 1240b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBitfields FunctionTypeBits; 1241b870b88df784c2940efce448ebfaf54dece14666John McCall ObjCObjectTypeBitfields ObjCObjectTypeBits; 1242b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBitfields ReferenceTypeBits; 124377be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall TypeWithKeywordBitfields TypeWithKeywordBits; 1244b870b88df784c2940efce448ebfaf54dece14666John McCall VectorTypeBitfields VectorTypeBits; 1245b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1246b870b88df784c2940efce448ebfaf54dece14666John McCall 1247b870b88df784c2940efce448ebfaf54dece14666John McCallprivate: 12483c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Set whether this type comes from an AST file. 12493c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl void setFromAST(bool V = true) const { 1250b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.FromAST = V; 125107a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl } 125207a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1253b7b2688bab0eac053d3e2938b329c8e523fd252bJohn McCall template <class T> friend class TypePropertyCache; 12541fb0caaa7bef765b85972274e3b434af2572c141John McCall 12555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 1256124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser // silence VC++ warning C4355: 'this' : used in base member initializer list 1257124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser Type *this_() { return this; } 1258561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Type(TypeClass tc, QualType canon, bool Dependent, 1259561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool InstantiationDependent, bool VariablyModified, 1260d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool ContainsUnexpandedParameterPack) 12613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall : ExtQualsTypeCommonBase(this, 12623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon.isNull() ? QualType(this_(), 0) : canon) { 1263b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.TC = tc; 1264b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.Dependent = Dependent; 1265561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor TypeBits.InstantiationDependent = Dependent || InstantiationDependent; 1266b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.VariablyModified = VariablyModified; 1267d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor TypeBits.ContainsUnexpandedParameterPack = ContainsUnexpandedParameterPack; 12681fb0caaa7bef765b85972274e3b434af2572c141John McCall TypeBits.CacheValidAndVisibility = 0; 1269b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.CachedLocalOrUnnamed = false; 1270b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.CachedLinkage = NoLinkage; 1271b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.FromAST = false; 1272b870b88df784c2940efce448ebfaf54dece14666John McCall } 12735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; 12741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1275561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor void setDependent(bool D = true) { 1276561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor TypeBits.Dependent = D; 1277561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (D) 1278561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor TypeBits.InstantiationDependent = true; 1279561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor } 1280561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor void setInstantiationDependent(bool D = true) { 1281561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor TypeBits.InstantiationDependent = D; } 1282561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor void setVariablyModified(bool VM = true) { TypeBits.VariablyModified = VM; 1283561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor } 1284d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor void setContainsUnexpandedParameterPack(bool PP = true) { 1285d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor TypeBits.ContainsUnexpandedParameterPack = PP; 1286d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 1287d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 12888b9023ba35a86838789e2c9034a6128728c547aaChris Lattnerpublic: 1289b870b88df784c2940efce448ebfaf54dece14666John McCall TypeClass getTypeClass() const { return static_cast<TypeClass>(TypeBits.TC); } 12901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12913c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Whether this type comes from an AST file. 1292b870b88df784c2940efce448ebfaf54dece14666John McCall bool isFromAST() const { return TypeBits.FromAST; } 129307a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1294d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Whether this type is or contains an unexpanded parameter 1295d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// pack, used to support C++0x variadic templates. 1296d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 1297d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// A type that contains a parameter pack shall be expanded by the 1298d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// ellipsis operator at some point. For example, the typedef in the 1299d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// following example contains an unexpanded parameter pack 'T': 1300d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 1301d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \code 1302d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// template<typename ...T> 1303d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// struct X { 1304d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// typedef T* pointer_types; // ill-formed; T is a parameter pack. 1305d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// }; 1306d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \endcode 1307d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 1308d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// Note that this routine does not specify which 1309d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool containsUnexpandedParameterPack() const { 1310d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return TypeBits.ContainsUnexpandedParameterPack; 1311d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 1312d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 13133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// Determines if this type would be canonical if it had no further 13143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// qualification. 1315467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonicalUnqualified() const { 13163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return CanonicalType == QualType(this, 0); 1317467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall } 13185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Types are partitioned into 3 broad categories (C99 6.2.5p1): 13205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// object types, function types, and incomplete types. 13211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIncompleteType - Return true if this is an incomplete type. 13235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// A type that can describe objects, but which lacks information needed to 13245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// determine its size (e.g. void, or a fwd declared struct). Clients of this 13251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// routine will need to determine if the size is actually required. 13265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncompleteType() const; 1327d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner 1328d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// isIncompleteOrObjectType - Return true if this is an incomplete or object 1329d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// type, in other words, not a function type. 1330d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner bool isIncompleteOrObjectType() const { 1331d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner return !isFunctionType(); 1332d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner } 13332fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor 13342fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor /// \brief Determine whether this type is an object type. 13352fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor bool isObjectType() const { 13362fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor // C++ [basic.types]p8: 13372fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor // An object type is a (possibly cv-qualified) type that is not a 13382fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor // function type, not a reference type, and not a void type. 13392fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor return !isReferenceType() && !isFunctionType() && !isVoidType(); 13402fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor } 134164b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 1342ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// isLiteralType - Return true if this is a literal type 1343ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// (C++0x [basic.types]p10) 1344ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl bool isLiteralType() const; 1345ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl 1346636a617cc6021a4366380b3ce673f4472f3d99dbChandler Carruth /// \brief Test if this type is a standard-layout type. 1347636a617cc6021a4366380b3ce673f4472f3d99dbChandler Carruth /// (C++0x [basic.type]p9) 1348636a617cc6021a4366380b3ce673f4472f3d99dbChandler Carruth bool isStandardLayoutType() const; 1349636a617cc6021a4366380b3ce673f4472f3d99dbChandler Carruth 13505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Helper methods to distinguish type categories. All type predicates 1351ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// operate on the canonical type, ignoring typedefs and qualifiers. 1352e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 13539b065ddabf572772991a4aadad5bf4921fac5069Tom Care /// isBuiltinType - returns true if the type is a builtin type. 13549b065ddabf572772991a4aadad5bf4921fac5069Tom Care bool isBuiltinType() const; 13559b065ddabf572772991a4aadad5bf4921fac5069Tom Care 1356e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar /// isSpecificBuiltinType - Test for a particular builtin type. 1357e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar bool isSpecificBuiltinType(unsigned K) const; 13581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13592a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// isPlaceholderType - Test for a type which does not represent an 13602a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// actual type-system type but is instead used as a placeholder for 13612a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// various convenient purposes within Clang. All such types are 13622a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// BuiltinTypes. 13632a984cad5ac3fdceeff2bd99daa7b90979313475John McCall bool isPlaceholderType() const; 13642a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 1365864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// isSpecificPlaceholderType - Test for a specific placeholder type. 1366864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall bool isSpecificPlaceholderType(unsigned K) const; 1367864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 136896d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isIntegerType() does *not* include complex integers (a GCC extension). 136996d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isComplexIntegerType() can be used to test for complex integers. 13705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIntegerType() const; // C99 6.2.5p17 (int, char, bool, enum) 137113b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isEnumeralType() const; 137213b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isBooleanType() const; 137313b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isCharType() const; 137477a52233f7c0f162672652051bfe78b65ad4f789Douglas Gregor bool isWideCharType() const; 13755cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor bool isChar16Type() const; 13765cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor bool isChar32Type() const; 137720093b4bf698f292c664676987541d5103b65b15Douglas Gregor bool isAnyCharacterType() const; 13789d3347a5887d2d25afe8b0bd35783a72ec86cce2Douglas Gregor bool isIntegralType(ASTContext &Ctx) const; 137920093b4bf698f292c664676987541d5103b65b15Douglas Gregor 13802ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor /// \brief Determine whether this type is an integral or enumeration type. 13812ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor bool isIntegralOrEnumerationType() const; 13821274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor /// \brief Determine whether this type is an integral or unscoped enumeration 13831274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor /// type. 13841274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor bool isIntegralOrUnscopedEnumerationType() const; 13852ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor 13865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Floating point categories. 13875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealFloatingType() const; // C99 6.2.5p10 (float, double, long double) 138802f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexType() does *not* include complex integers (a GCC extension). 138902f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexIntegerType() can be used to test for complex integers. 13905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isComplexType() const; // C99 6.2.5p11 (complex) 1391f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner bool isAnyComplexType() const; // C99 6.2.5p11 (complex) + Complex Int. 13925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isFloatingType() const; // C99 6.2.5p11 (real floating + complex) 13935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealType() const; // C99 6.2.5p17 (real floating + integer) 13945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArithmeticType() const; // C99 6.2.5p18 (integer + floating) 1395c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isVoidType() const; // C99 6.2.5p19 1396c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isDerivedType() const; // C99 6.2.5p20 1397c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isScalarType() const; // C99 6.2.5p21 (arithmetic + pointers) 1398d7eb846aaf5ee4a8d22c3cd0796d1e7229d46013Douglas Gregor bool isAggregateType() const; 1399aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth bool isFundamentalType() const; 1400aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth bool isCompoundType() const; 14011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1402c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Predicates: Check to see if this type is structurally the specified 1403ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb // type, ignoring typedefs and qualifiers. 1404c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isFunctionType() const; 1405183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionNoProtoType() const { return getAs<FunctionNoProtoType>(); } 1406183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionProtoType() const { return getAs<FunctionProtoType>(); } 1407befee48ff2a1dab236c5700f00ecca1cfdcd5837Chris Lattner bool isPointerType() const; 140858f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff bool isAnyPointerType() const; // Any C pointer or ObjC object pointer 14095618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff bool isBlockPointerType() const; 14107154a77e7c1f23418342d3b72836ab504aa7821eSteve Naroff bool isVoidPointerType() const; 1411a1d9fdea79ba7bbd71862b9f9f78f5f117331fc7Chris Lattner bool isReferenceType() const; 14127c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isLValueReferenceType() const; 14137c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isRValueReferenceType() const; 1414bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner bool isFunctionPointerType() const; 1415f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberPointerType() const; 1416f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberFunctionPointerType() const; 1417db68e28c05a67735211e688009890cf834c22e75Douglas Gregor bool isMemberDataPointerType() const; 1418c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isArrayType() const; 1419c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isConstantArrayType() const; 1420c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isIncompleteArrayType() const; 1421c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isVariableArrayType() const; 1422898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool isDependentSizedArrayType() const; 1423c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isRecordType() const; 14241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isClassType() const; 14251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isStructureType() const; 1426fb87b89fc9eb103e19fb8e4b925c23f0bd091b99Douglas Gregor bool isStructureOrClassType() const; 14274cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff bool isUnionType() const; 1428368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isComplexIntegerType() const; // GCC _Complex integer type. 1429368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isVectorType() const; // GCC vector type. 1430213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman bool isExtVectorType() const; // Extended vector type. 1431f85e193739c953358c865005855253af4f68a497John McCall bool isObjCObjectPointerType() const; // pointer to ObjC object 1432f85e193739c953358c865005855253af4f68a497John McCall bool isObjCRetainableType() const; // ObjC object or block pointer 1433f85e193739c953358c865005855253af4f68a497John McCall bool isObjCLifetimeType() const; // (array of)* retainable type 1434f85e193739c953358c865005855253af4f68a497John McCall bool isObjCIndirectLifetimeType() const; // (pointer to)* lifetime type 1435f85e193739c953358c865005855253af4f68a497John McCall bool isObjCNSObjectType() const; // __attribute__((NSObject)) 143614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // FIXME: change this to 'raw' interface type, so we can used 'interface' type 143714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for the common case. 1438c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCObjectType() const; // NSString or typeof(*(id)0) 1439368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedInterfaceType() const; // NSString<foo> 1440368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedIdType() const; // id<foo> 1441470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const; // Class<foo> 1442569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor bool isObjCObjectOrInterfaceType() const; 144314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const; // id 144414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const; // Class 144513dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian bool isObjCSelType() const; // Class 1446de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff bool isObjCBuiltinType() const; // 'id' or 'Class' 1447f85e193739c953358c865005855253af4f68a497John McCall bool isObjCARCBridgableType() const; 1448f85e193739c953358c865005855253af4f68a497John McCall bool isCARCBridgableType() const; 144972c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor bool isTemplateTypeParmType() const; // C++ template type parameter 14506e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl bool isNullPtrType() const; // C++0x nullptr_t 1451898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1452f85e193739c953358c865005855253af4f68a497John McCall /// Determines if this type, which must satisfy 1453f85e193739c953358c865005855253af4f68a497John McCall /// isObjCLifetimeType(), is implicitly __unsafe_unretained rather 1454f85e193739c953358c865005855253af4f68a497John McCall /// than implicitly __strong. 1455f85e193739c953358c865005855253af4f68a497John McCall bool isObjCARCImplicitlyUnretainedType() const; 1456f85e193739c953358c865005855253af4f68a497John McCall 1457f85e193739c953358c865005855253af4f68a497John McCall /// Return the implicit lifetime for this type, which must not be dependent. 1458f85e193739c953358c865005855253af4f68a497John McCall Qualifiers::ObjCLifetime getObjCARCImplicitLifetime() const; 1459f85e193739c953358c865005855253af4f68a497John McCall 1460daa8e4e888758d55a7a759dd4a91b83921cef222John McCall enum ScalarTypeKind { 14611d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall STK_CPointer, 14621d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall STK_BlockPointer, 14631d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall STK_ObjCObjectPointer, 1464daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_MemberPointer, 1465daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Bool, 1466daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Integral, 1467daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Floating, 1468daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_IntegralComplex, 1469daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_FloatingComplex 1470daa8e4e888758d55a7a759dd4a91b83921cef222John McCall }; 1471daa8e4e888758d55a7a759dd4a91b83921cef222John McCall /// getScalarTypeKind - Given that this is a scalar type, classify it. 1472daa8e4e888758d55a7a759dd4a91b83921cef222John McCall ScalarTypeKind getScalarTypeKind() const; 1473daa8e4e888758d55a7a759dd4a91b83921cef222John McCall 1474898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// isDependentType - Whether this type is a dependent type, meaning 14751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// that its definition somehow depends on a template parameter 1476898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// (C++ [temp.dep.type]). 1477b870b88df784c2940efce448ebfaf54dece14666John McCall bool isDependentType() const { return TypeBits.Dependent; } 147835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 1479561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// \brief Determine whether this type is an instantiation-dependent type, 1480561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// meaning that the type involves a template parameter (even if the 1481561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// definition does not actually depend on the type substituted for that 1482561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// template parameter). 1483561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool isInstantiationDependentType() const { 1484561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor return TypeBits.InstantiationDependent; 1485561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor } 1486561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor 148735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /// \brief Whether this type is a variably-modified type (C99 6.7.5). 1488b870b88df784c2940efce448ebfaf54dece14666John McCall bool isVariablyModifiedType() const { return TypeBits.VariablyModified; } 14893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 14903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// \brief Whether this type involves a variable-length array type 14913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// with a definite size. 14923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall bool hasSizedVLAType() const; 149335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 1494db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor /// \brief Whether this type is or contains a local or unnamed type. 1495db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor bool hasUnnamedOrLocalType() const; 1496db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor 1497063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor bool isOverloadableType() const; 149872c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 14994033642464e8ba0982f88f34cffad808d247b393Douglas Gregor /// \brief Determine wither this type is a C++ elaborated-type-specifier. 15004033642464e8ba0982f88f34cffad808d247b393Douglas Gregor bool isElaboratedTypeSpecifier() const; 1501bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth 1502bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth bool canDecayToPointerType() const; 15032b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor 15048958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// hasPointerRepresentation - Whether this type is represented 15058958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// natively as a pointer; this includes pointers, references, block 15068958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// pointers, and Objective-C interface, qualified id, and qualified 15076e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl /// interface types, as well as nullptr_t. 15088958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar bool hasPointerRepresentation() const; 15098958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 1510820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// hasObjCPointerRepresentation - Whether this type can represent 1511820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// an objective pointer type for the purpose of GC'ability 15121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool hasObjCPointerRepresentation() const; 1513820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 1514f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an integer representation 1515f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an integer type or a vector. 1516f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasIntegerRepresentation() const; 1517f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1518f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an signed integer representation 1519f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an signed integer type or a vector. 1520f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasSignedIntegerRepresentation() const; 1521f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1522f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an unsigned integer representation 1523f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an unsigned integer type or a vector. 1524f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasUnsignedIntegerRepresentation() const; 1525f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 15268eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// \brief Determine whether this type has a floating-point representation 15278eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// of some sort, e.g., it is a floating-point type or a vector thereof. 15288eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor bool hasFloatingRepresentation() const; 1529f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1530c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Checking Functions: Check to see if this type is structurally the 1531f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // specified type, ignoring typedefs and qualifiers, and return a pointer to 1532f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // the best type we can. 1533769c9cfc6e06bd9d8ffe7a4397b939f19b0e4dc3Ted Kremenek const RecordType *getAsStructureType() const; 1534898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// NOTE: getAs*ArrayType are methods on ASTContext. 1535c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner const RecordType *getAsUnionType() const; 15364cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff const ComplexType *getAsComplexIntegerType() const; // GCC complex int type. 153714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // The following is a convenience method that returns an ObjCObjectPointerType 153814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for object declared using an interface. 153914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCInterfacePointerType() const; 154014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCQualifiedIdType() const; 1541759abb4d9ec14ae32104a9677b60f0542b60d1d8Fariborz Jahanian const ObjCObjectPointerType *getAsObjCQualifiedClassType() const; 1542c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getAsObjCQualifiedInterfaceType() const; 1543a91d6a6619a91d0ca7102d8ab5678d855f04d850Fariborz Jahanian const CXXRecordDecl *getCXXRecordDeclForPointerType() const; 15441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1545c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// \brief Retrieves the CXXRecordDecl that this type refers to, either 1546c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// because the type is a RecordType or because it is the injected-class-name 1547c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// type of a class template or class template partial specialization. 1548c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor CXXRecordDecl *getAsCXXRecordDecl() const; 154934b41d939a1328f484511c6002ba2456db879a29Richard Smith 155034b41d939a1328f484511c6002ba2456db879a29Richard Smith /// \brief Get the AutoType whose type will be deduced for a variable with 155134b41d939a1328f484511c6002ba2456db879a29Richard Smith /// an initializer of this type. This looks through declarators like pointer 155234b41d939a1328f484511c6002ba2456db879a29Richard Smith /// types, but not through decltype or typedefs. 155334b41d939a1328f484511c6002ba2456db879a29Richard Smith AutoType *getContainedAutoType() const; 1554c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor 1555d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// Member-template getAs<specific type>'. Look through sugar for 1556d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// an instance of <specific type>. This scheme will eventually 1557d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// replace the specific getAsXXXX methods above. 1558d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// 1559d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// There are some specializations of this member template listed 1560d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// immediately following this class. 15611a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek template <typename T> const T *getAs() const; 15621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// A variant of getAs<> for array types which silently discards 15643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// qualifiers from the outermost type. 15653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *getAsArrayTypeUnsafe() const; 15663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 1567d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// Member-template castAs<specific type>. Look through sugar for 1568d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// the underlying instance of <specific type>. 1569d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// 1570d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// This method has the same relationship to getAs<T> as cast<T> has 1571d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// to dyn_cast<T>; which is to say, the underlying type *must* 1572d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// have the intended type, and this method will never return null. 1573d0370f59e79702ac908c81bf556519f91e9ca297John McCall template <typename T> const T *castAs() const; 1574d0370f59e79702ac908c81bf556519f91e9ca297John McCall 1575d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// A variant of castAs<> for array type which silently discards 1576d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// qualifiers from the outermost type. 1577d0370f59e79702ac908c81bf556519f91e9ca297John McCall const ArrayType *castAsArrayTypeUnsafe() const; 1578d0370f59e79702ac908c81bf556519f91e9ca297John McCall 1579d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// getBaseElementTypeUnsafe - Get the base element type of this 1580d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// type, potentially discarding type qualifiers. This method 1581d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// should never be used when type qualifiers are meaningful. 1582d0370f59e79702ac908c81bf556519f91e9ca297John McCall const Type *getBaseElementTypeUnsafe() const; 1583d0370f59e79702ac908c81bf556519f91e9ca297John McCall 1584c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// getArrayElementTypeNoTypeQual - If this is an array type, return the 1585c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// element type of the array, potentially with type qualifiers missing. 1586c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// This method should never be used when type qualifiers are meaningful. 1587c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const Type *getArrayElementTypeNoTypeQual() const; 15881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1589f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// getPointeeType - If this is a pointer, ObjC object pointer, or block 1590f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// pointer, this returns the respective pointee. 159114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const; 15921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1593bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// getUnqualifiedDesugaredType() - Return the specified type with 1594bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// any "sugar" removed from the type, removing any typedefs, 1595bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// typeofs, etc., as well as any qualifiers. 1596bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall const Type *getUnqualifiedDesugaredType() const; 15971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// More type predicates useful for type checking/promotion 15995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPromotableIntegerType() const; // C99 6.3.1.1p2 16005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isSignedIntegerType - Return true if this is an integer type that is 1602d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// signed, according to C99 6.2.5p4 [char, signed char, short, int, long..], 16035f3827cabd526d0dd5f291d46c310103cebe7a44Eli Friedman /// or an enum decl which has a signed representation. 16045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSignedIntegerType() const; 16055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isUnsignedIntegerType - Return true if this is an integer type that is 16075f3827cabd526d0dd5f291d46c310103cebe7a44Eli Friedman /// unsigned, according to C99 6.2.5p6 [which returns true for _Bool], 16085f3827cabd526d0dd5f291d46c310103cebe7a44Eli Friedman /// or an enum decl which has an unsigned representation. 16095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isUnsignedIntegerType() const; 1610d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner 1611575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor /// Determines whether this is an integer type that is signed or an 1612575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor /// enumeration types whose underlying type is a signed integer type. 1613575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor bool isSignedIntegerOrEnumerationType() const; 1614575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor 1615575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor /// Determines whether this is an integer type that is unsigned or an 1616575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor /// enumeration types whose underlying type is a unsigned integer type. 1617575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor bool isUnsignedIntegerOrEnumerationType() const; 1618575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor 16195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isConstantSizeType - Return true if this is not a variable sized type, 16209bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// according to the rules of C99 6.7.5p3. It is not legal to call this on 16219bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// incomplete types. 16223c2b3170041f69a92904e3bab9b6d654eaf260acEli Friedman bool isConstantSizeType() const; 1623c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 162422b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// isSpecifierType - Returns true if this type can be represented by some 162522b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// set of type specifiers. 162622b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman bool isSpecifierType() const; 162722b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman 16280b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor /// \brief Determine the linkage of this type. 162960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor Linkage getLinkage() const; 16301fb0caaa7bef765b85972274e3b434af2572c141John McCall 16311fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Determine the visibility of this type. 16321fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility getVisibility() const; 16331fb0caaa7bef765b85972274e3b434af2572c141John McCall 16341fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Determine the linkage and visibility of this type. 16351fb0caaa7bef765b85972274e3b434af2572c141John McCall std::pair<Linkage,Visibility> getLinkageAndVisibility() const; 163660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 163760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor /// \brief Note that the linkage is no longer known. 163860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor void ClearLinkageCache(); 163960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 164060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor const char *getTypeClassName() const; 16410b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1642ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall QualType getCanonicalTypeInternal() const { 1643ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall return CanonicalType; 1644ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall } 1645ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall CanQualType getCanonicalTypeUnqualified() const; // in CanonicalType.h 1646c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 1647f85e193739c953358c865005855253af4f68a497John McCall 16485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *) { return true; } 1649be191100e034b23a3e13053757a57b7f5068c24aArgyrios Kyrtzidis 1650c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; 1651a4232eb646d89e7d52424bb42eb87d9061f39e63Sebastian Redl friend class ASTWriter; 16525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 16535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1654183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const TypedefType *Type::getAs() const { 1655183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall return dyn_cast<TypedefType>(this); 1656183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1657183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1658183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// We can do canonical leaf types faster, because we don't have to 1659183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// worry about preserving child type decoration. 1660183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define TYPE(Class, Base) 1661183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define LEAF_TYPE(Class) \ 1662183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const Class##Type *Type::getAs() const { \ 16630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return dyn_cast<Class##Type>(CanonicalType); \ 1664d0370f59e79702ac908c81bf556519f91e9ca297John McCall} \ 1665d0370f59e79702ac908c81bf556519f91e9ca297John McCalltemplate <> inline const Class##Type *Type::castAs() const { \ 1666d0370f59e79702ac908c81bf556519f91e9ca297John McCall return cast<Class##Type>(CanonicalType); \ 1667183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1668183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#include "clang/AST/TypeNodes.def" 1669183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1670183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 16715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BuiltinType - This class is used for builtin types like 'int'. Builtin 16725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types are always canonical and have a literal name field. 16735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BuiltinType : public Type { 16745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 16755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Kind { 16765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Void, 16771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Bool, // This is bool and/or _Bool. 16795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_U, // This is 'char' for targets where char is unsigned. 16805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UChar, // This is explicitly qualified unsigned char. 16813f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner WChar_U, // This is 'wchar_t' for C++, when unsigned. 1682f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16, // This is 'char16_t' for C++. 1683f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32, // This is 'char32_t' for C++. 16845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UShort, 16855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UInt, 16865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULong, 16875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULongLong, 16882df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner UInt128, // __uint128_t 16891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_S, // This is 'char' for targets where char is signed. 16915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SChar, // This is explicitly qualified signed char. 16923f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner WChar_S, // This is 'wchar_t' for C++, when signed. 16935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Short, 16945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Int, 16955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Long, 16965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongLong, 16972df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner Int128, // __int128_t 16981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16998e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor Float, Double, LongDouble, 17008e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 17016e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl NullPtr, // This is the type of C++0x 'nullptr'. 17026e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 1703864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// The primitive Objective C 'id' type. The user-visible 'id' 1704864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// type is a typedef of an ObjCObjectPointerType to an 1705864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// ObjCObjectType with this as its base. In fact, this only ever 1706864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// shows up in an AST as the base type of an ObjCObjectType. 1707864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall ObjCId, 1708864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 1709864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// The primitive Objective C 'Class' type. The user-visible 1710864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// 'Class' type is a typedef of an ObjCObjectPointerType to an 1711864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// ObjCObjectType with this as its base. In fact, this only ever 1712864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// shows up in an AST as the base type of an ObjCObjectType. 1713864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall ObjCClass, 1714864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 1715864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// The primitive Objective C 'SEL' type. The user-visible 'SEL' 1716864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// type is a typedef of a PointerType to this. 1717864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall ObjCSel, 1718864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 17192a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// This represents the type of an expression whose type is 17202a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// totally unknown, e.g. 'T::foo'. It is permitted for this to 17212a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// appear in situations where the structure of the type is 17222a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// theoretically deducible. 17232a984cad5ac3fdceeff2bd99daa7b90979313475John McCall Dependent, 17242a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 1725864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// The type of an unresolved overload set. A placeholder type. 1726864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// Expressions with this type have one of the following basic 1727864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// forms, with parentheses generally permitted: 1728864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// foo # possibly qualified, not if an implicit access 1729864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// foo # possibly qualified, not if an implicit access 1730864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// &foo # possibly qualified, not if an implicit access 1731864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// x->foo # only if might be a static member function 1732864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// &x->foo # only if might be a static member function 1733864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// &Class::foo # when a pointer-to-member; sub-expr also has this type 1734864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// OverloadExpr::find can be used to analyze the expression. 17351de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall Overload, 17361de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall 1737864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// The type of a bound C++ non-static member function. 1738864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// A placeholder type. Expressions with this type have one of the 1739864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// following basic forms: 1740864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// foo # if an implicit access 1741864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// x->foo # if only contains non-static members 1742864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall BoundMember, 1743864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 1744864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// __builtin_any_type. A placeholder type. Useful for clients 1745864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// like debuggers that don't know what type to give something. 1746864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// Only a small number of operations are valid on expressions of 1747864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// unknown type, most notably explicit casts. 1748864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall UnknownAny 17495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 175071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 17515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 17521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BuiltinType(Kind K) 175335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(Builtin, QualType(), /*Dependent=*/(K == Dependent), 1754561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/(K == Dependent), 1755d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, 1756d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*Unexpanded paramter pack=*/false) { 1757b870b88df784c2940efce448ebfaf54dece14666John McCall BuiltinTypeBits.Kind = K; 175871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 17591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1760b870b88df784c2940efce448ebfaf54dece14666John McCall Kind getKind() const { return static_cast<Kind>(BuiltinTypeBits.Kind); } 1761e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const char *getName(const LangOptions &LO) const; 17621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1763bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1764bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1765bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1766680523a91dd3351389667c8de17121ba7ae82673John McCall bool isInteger() const { 176771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Bool && getKind() <= Int128; 1768680523a91dd3351389667c8de17121ba7ae82673John McCall } 1769680523a91dd3351389667c8de17121ba7ae82673John McCall 1770680523a91dd3351389667c8de17121ba7ae82673John McCall bool isSignedInteger() const { 177171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Char_S && getKind() <= Int128; 1772680523a91dd3351389667c8de17121ba7ae82673John McCall } 1773680523a91dd3351389667c8de17121ba7ae82673John McCall 1774680523a91dd3351389667c8de17121ba7ae82673John McCall bool isUnsignedInteger() const { 177571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Bool && getKind() <= UInt128; 1776680523a91dd3351389667c8de17121ba7ae82673John McCall } 1777680523a91dd3351389667c8de17121ba7ae82673John McCall 1778680523a91dd3351389667c8de17121ba7ae82673John McCall bool isFloatingPoint() const { 177971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Float && getKind() <= LongDouble; 1780680523a91dd3351389667c8de17121ba7ae82673John McCall } 1781680523a91dd3351389667c8de17121ba7ae82673John McCall 1782864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// Determines whether this type is a placeholder type, i.e. a type 1783864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// which cannot appear in arbitrary positions in a fully-formed 1784864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// expression. 17852a984cad5ac3fdceeff2bd99daa7b90979313475John McCall bool isPlaceholderType() const { 1786864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall return getKind() >= Overload; 17872a984cad5ac3fdceeff2bd99daa7b90979313475John McCall } 17882a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 17895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Builtin; } 17905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BuiltinType *) { return true; } 17915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 17925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ComplexType - C99 6.2.5p11 - Complex values. This supports the C99 complex 17945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types (_Complex float etc) as well as the GCC integer complex extensions. 17955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 17965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ComplexType : public Type, public llvm::FoldingSetNode { 17975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 17985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType(QualType Element, QualType CanonicalPtr) : 179935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Complex, CanonicalPtr, Element->isDependentType(), 1800561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Element->isInstantiationDependentType(), 1801d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Element->isVariablyModifiedType(), 1802d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Element->containsUnexpandedParameterPack()), 1803898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ElementType(Element) { 18045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 180660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 18075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 18085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 18091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1810bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1811bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1812bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 18135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 18145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getElementType()); 18155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Element) { 18175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Element.getAsOpaquePtr()); 18185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Complex; } 18215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ComplexType *) { return true; } 18225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 18235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1824075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara/// ParenType - Sugar for parentheses used when specifying types. 1825075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara/// 1826075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnaraclass ParenType : public Type, public llvm::FoldingSetNode { 1827075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType Inner; 1828075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1829075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType(QualType InnerType, QualType CanonType) : 1830075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Type(Paren, CanonType, InnerType->isDependentType(), 1831561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor InnerType->isInstantiationDependentType(), 1832d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor InnerType->isVariablyModifiedType(), 1833d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor InnerType->containsUnexpandedParameterPack()), 1834075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Inner(InnerType) { 1835075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1836075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara friend class ASTContext; // ASTContext creates these. 1837075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1838075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnarapublic: 1839075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1840075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType getInnerType() const { return Inner; } 1841075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1842075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara bool isSugared() const { return true; } 1843075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType desugar() const { return getInnerType(); } 1844075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1845075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara void Profile(llvm::FoldingSetNodeID &ID) { 1846075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Profile(ID, getInnerType()); 1847075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1848075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static void Profile(llvm::FoldingSetNodeID &ID, QualType Inner) { 1849075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Inner.Profile(ID); 1850075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1851075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1852075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static bool classof(const Type *T) { return T->getTypeClass() == Paren; } 1853075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static bool classof(const ParenType *) { return true; } 1854075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara}; 1855075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 185668694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar/// PointerType - C99 6.7.5.1 - Pointer Declarators. 1857bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner/// 185868694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass PointerType : public Type, public llvm::FoldingSetNode { 1859bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner QualType PointeeType; 18605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType(QualType Pointee, QualType CanonicalPtr) : 186235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Pointer, CanonicalPtr, Pointee->isDependentType(), 1863561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Pointee->isInstantiationDependentType(), 1864d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->isVariablyModifiedType(), 1865d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->containsUnexpandedParameterPack()), 186635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor PointeeType(Pointee) { 18675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 186960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 18705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 18711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 187268694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType getPointeeType() const { return PointeeType; } 187368694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 1874bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1875bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1876bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 18775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 18785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getPointeeType()); 18795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 18815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Pointee.getAsOpaquePtr()); 18825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Pointer; } 18855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const PointerType *) { return true; } 18865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 18875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18885618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// BlockPointerType - pointer to a block type. 18895618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// This type is to represent types syntactically represented as 18905618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// "void (^)(int)", etc. Pointee is required to always be a function type. 18915618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// 18925618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffclass BlockPointerType : public Type, public llvm::FoldingSetNode { 18935618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType PointeeType; // Block is some kind of pointer type 18945618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType(QualType Pointee, QualType CanonicalCls) : 189535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(BlockPointer, CanonicalCls, Pointee->isDependentType(), 1896561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Pointee->isInstantiationDependentType(), 1897d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->isVariablyModifiedType(), 1898d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->containsUnexpandedParameterPack()), 1899898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor PointeeType(Pointee) { 19005618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 19015618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff friend class ASTContext; // ASTContext creates these. 190260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 19035618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffpublic: 19041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19055618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the pointee type. Pointee is required to always be a function type. 19065618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getPointeeType() const { return PointeeType; } 19075618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 1908bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1909bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1910bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 19115618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 19125618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Profile(ID, getPointeeType()); 19135618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 19145618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 19155618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff ID.AddPointer(Pointee.getAsOpaquePtr()); 19165618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 19171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 19191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == BlockPointer; 19205618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 19215618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static bool classof(const BlockPointerType *) { return true; } 19225618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff}; 19235618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 19247c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// ReferenceType - Base for LValueReferenceType and RValueReferenceType 19255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 192668694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass ReferenceType : public Type, public llvm::FoldingSetNode { 192768694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType PointeeType; 192868694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 19297c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlprotected: 193054e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(TypeClass tc, QualType Referencee, QualType CanonicalRef, 193154e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 193235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(tc, CanonicalRef, Referencee->isDependentType(), 1933561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Referencee->isInstantiationDependentType(), 1934d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Referencee->isVariablyModifiedType(), 1935d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Referencee->containsUnexpandedParameterPack()), 1936d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor PointeeType(Referencee) 1937d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor { 1938b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBits.SpelledAsLValue = SpelledAsLValue; 1939b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBits.InnerRef = Referencee->isReferenceType(); 19405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 194160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 19425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1943b870b88df784c2940efce448ebfaf54dece14666John McCall bool isSpelledAsLValue() const { return ReferenceTypeBits.SpelledAsLValue; } 1944b870b88df784c2940efce448ebfaf54dece14666John McCall bool isInnerRef() const { return ReferenceTypeBits.InnerRef; } 194573dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 194654e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeTypeAsWritten() const { return PointeeType; } 194754e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeType() const { 194854e14c4db764c0636160d26c5bbf491637c83a76John McCall // FIXME: this might strip inner qualifiers; okay? 194954e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *T = this; 195071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall while (T->isInnerRef()) 1951d0370f59e79702ac908c81bf556519f91e9ca297John McCall T = T->PointeeType->castAs<ReferenceType>(); 195254e14c4db764c0636160d26c5bbf491637c83a76John McCall return T->PointeeType; 195354e14c4db764c0636160d26c5bbf491637c83a76John McCall } 195468694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 19555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 195671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Profile(ID, PointeeType, isSpelledAsLValue()); 19575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 195854e14c4db764c0636160d26c5bbf491637c83a76John McCall static void Profile(llvm::FoldingSetNodeID &ID, 195954e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Referencee, 196054e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) { 19615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Referencee.getAsOpaquePtr()); 196254e14c4db764c0636160d26c5bbf491637c83a76John McCall ID.AddBoolean(SpelledAsLValue); 19635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19657c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 19667c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference || 19677c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl T->getTypeClass() == RValueReference; 19687c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 19695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReferenceType *) { return true; } 19707c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 19717c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 19727c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// LValueReferenceType - C++ [dcl.ref] - Lvalue reference 19737c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 19747c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass LValueReferenceType : public ReferenceType { 197554e14c4db764c0636160d26c5bbf491637c83a76John McCall LValueReferenceType(QualType Referencee, QualType CanonicalRef, 197654e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 197754e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(LValueReference, Referencee, CanonicalRef, SpelledAsLValue) 197854e14c4db764c0636160d26c5bbf491637c83a76John McCall {} 19797c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 19807c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 1981bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1982bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1983bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 19847c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 19857c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference; 19867c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 19877c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const LValueReferenceType *) { return true; } 19887c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 19897c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 19907c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// RValueReferenceType - C++0x [dcl.ref] - Rvalue reference 19917c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 19927c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass RValueReferenceType : public ReferenceType { 19937c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType(QualType Referencee, QualType CanonicalRef) : 199454e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(RValueReference, Referencee, CanonicalRef, false) { 19957c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 19967c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 19977c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 1998bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1999bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2000bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 20017c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 20027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == RValueReference; 20037c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 20047c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const RValueReferenceType *) { return true; } 2005f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl}; 2006f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 2007f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// MemberPointerType - C++ 8.3.3 - Pointers to members 2008f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// 2009f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlclass MemberPointerType : public Type, public llvm::FoldingSetNode { 2010f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType PointeeType; 2011f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// The class of which the pointee is a member. Must ultimately be a 2012f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// RecordType, but could be a typedef or a template parameter too. 2013f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class; 2014f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 2015f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType(QualType Pointee, const Type *Cls, QualType CanonicalPtr) : 2016f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Type(MemberPointer, CanonicalPtr, 201735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Cls->isDependentType() || Pointee->isDependentType(), 2018561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (Cls->isInstantiationDependentType() || 2019561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Pointee->isInstantiationDependentType()), 2020d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->isVariablyModifiedType(), 2021d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor (Cls->containsUnexpandedParameterPack() || 2022d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->containsUnexpandedParameterPack())), 2023f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl PointeeType(Pointee), Class(Cls) { 2024f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 2025f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl friend class ASTContext; // ASTContext creates these. 202660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 2027f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlpublic: 2028f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getPointeeType() const { return PointeeType; } 2029f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 20300bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Returns true if the member type (i.e. the pointee type) is a 20310bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// function type rather than a data-member type. 20320bab0cdab751248ca389a5592bcb70eac5d39260John McCall bool isMemberFunctionPointer() const { 20330bab0cdab751248ca389a5592bcb70eac5d39260John McCall return PointeeType->isFunctionProtoType(); 20340bab0cdab751248ca389a5592bcb70eac5d39260John McCall } 20350bab0cdab751248ca389a5592bcb70eac5d39260John McCall 20360bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Returns true if the member type (i.e. the pointee type) is a 20370bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// data type rather than a function type. 20380bab0cdab751248ca389a5592bcb70eac5d39260John McCall bool isMemberDataPointer() const { 20390bab0cdab751248ca389a5592bcb70eac5d39260John McCall return !PointeeType->isFunctionProtoType(); 20400bab0cdab751248ca389a5592bcb70eac5d39260John McCall } 20410bab0cdab751248ca389a5592bcb70eac5d39260John McCall 2042f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *getClass() const { return Class; } 2043f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 2044bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2045bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2046bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2047f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void Profile(llvm::FoldingSetNodeID &ID) { 2048f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Profile(ID, getPointeeType(), getClass()); 2049f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 2050f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee, 2051f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class) { 2052f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Pointee.getAsOpaquePtr()); 2053f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Class); 2054f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 2055f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 2056f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const Type *T) { 2057f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return T->getTypeClass() == MemberPointer; 2058f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 2059f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const MemberPointerType *) { return true; } 20605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 20615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArrayType - C99 6.7.5.2 - Array Declarators. 20635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 20642e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ArrayType : public Type, public llvm::FoldingSetNode { 20655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 20665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ArraySizeModifier - Capture whether this is a normal array (e.g. int X[4]) 2067898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// an array with a static size (e.g. int X[static 4]), or an array 2068898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// with a star size (e.g. int X[*]). 2069898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// 'static' is only allowed on function parameters. 20705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum ArraySizeModifier { 20715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Normal, Static, Star 20725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 20735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 2074fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff /// ElementType - The element type of the array. 2075fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType ElementType; 20761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2077fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffprotected: 2078898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // C++ [temp.dep.type]p1: 2079898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // A type is dependent if it is... 2080898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // - an array type constructed from any dependent type or whose 2081898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // size is specified by a constant expression that is 2082898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // value-dependent, 2083c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType(TypeClass tc, QualType et, QualType can, 2084d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ArraySizeModifier sm, unsigned tq, 2085d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool ContainsUnexpandedParameterPack) 208635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(tc, can, et->isDependentType() || tc == DependentSizedArray, 2087561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor et->isInstantiationDependentType() || tc == DependentSizedArray, 2088d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor (tc == VariableArray || et->isVariablyModifiedType()), 2089d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ContainsUnexpandedParameterPack), 209071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ElementType(et) { 2091b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBits.IndexTypeQuals = tq; 2092b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBits.SizeModifier = sm; 209371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2094898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2095fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 209660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 2097fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 2098fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType getElementType() const { return ElementType; } 2099ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek ArraySizeModifier getSizeModifier() const { 2100b870b88df784c2940efce448ebfaf54dece14666John McCall return ArraySizeModifier(ArrayTypeBits.SizeModifier); 2101ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek } 21020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getIndexTypeQualifiers() const { 210371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Qualifiers::fromCVRMask(getIndexTypeCVRQualifiers()); 210471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 210571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall unsigned getIndexTypeCVRQualifiers() const { 2106b870b88df784c2940efce448ebfaf54dece14666John McCall return ArrayTypeBits.IndexTypeQuals; 21070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 21081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2109fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const Type *T) { 2110fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff return T->getTypeClass() == ConstantArray || 2111c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman T->getTypeClass() == VariableArray || 2112898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == IncompleteArray || 2113898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == DependentSizedArray; 2114fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 2115fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ArrayType *) { return true; } 2116fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 2117fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 21187e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// ConstantArrayType - This class represents the canonical version of 21197e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// C arrays with a specified constant size. For example, the canonical 21207e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type for 'int A[4 + 4*100]' is a ConstantArrayType where the element 21217e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type is 'int' and the size is 404. 21222e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ConstantArrayType : public ArrayType { 2123fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff llvm::APInt Size; // Allows us to unique the type. 21241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21250be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType(QualType et, QualType can, const llvm::APInt &size, 2126c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArraySizeModifier sm, unsigned tq) 2127d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(ConstantArray, et, can, sm, tq, 2128d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor et->containsUnexpandedParameterPack()), 21297e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Size(size) {} 21307e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregorprotected: 21317e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ConstantArrayType(TypeClass tc, QualType et, QualType can, 21327e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor const llvm::APInt &size, ArraySizeModifier sm, unsigned tq) 2133d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(tc, et, can, sm, tq, et->containsUnexpandedParameterPack()), 2134d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Size(size) {} 2135fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 2136fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 2137c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const llvm::APInt &getSize() const { return Size; } 2138bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2139bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2140bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 21412767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 21422767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the number of bits required to address a member of 21432767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor // an array with the given element type and number of elements. 21442767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getNumAddressingBits(ASTContext &Context, 21452767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor QualType ElementType, 21462767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor const llvm::APInt &NumElements); 21472767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 21482767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the maximum number of active bits that an array's size 21492767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// can require, which limits the maximum size of the array. 21502767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getMaxSizeBits(ASTContext &Context); 21512767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 2152fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 21531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, getElementType(), getSize(), 21540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers()); 2155fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 2156fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 21570be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner const llvm::APInt &ArraySize, ArraySizeModifier SizeMod, 21580be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner unsigned TypeQuals) { 2159fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddPointer(ET.getAsOpaquePtr()); 2160fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddInteger(ArraySize.getZExtValue()); 21610be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 21620be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 2163fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 21647e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor static bool classof(const Type *T) { 216546a617a792bfab0d9b1e057371ea3b9540802226John McCall return T->getTypeClass() == ConstantArray; 2166fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 2167fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ConstantArrayType *) { return true; } 2168fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 2169fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 2170da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// IncompleteArrayType - This class represents C arrays with an unspecified 2171da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// size. For example 'int A[]' has an IncompleteArrayType where the element 2172da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// type is 'int' and the size is unspecified. 2173c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanclass IncompleteArrayType : public ArrayType { 21747e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 2175c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType(QualType et, QualType can, 21767e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq) 2177d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(IncompleteArray, et, can, sm, tq, 2178d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor et->containsUnexpandedParameterPack()) {} 2179c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class ASTContext; // ASTContext creates these. 2180c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanpublic: 2181bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2182bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2183bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 21841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 21851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == IncompleteArray; 2186c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 2187c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman static bool classof(const IncompleteArrayType *) { return true; } 21881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2189c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class StmtIteratorBase; 21901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2191c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void Profile(llvm::FoldingSetNodeID &ID) { 21920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Profile(ID, getElementType(), getSizeModifier(), 21930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getIndexTypeCVRQualifiers()); 2194c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 21951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21960be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 21970be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ArraySizeModifier SizeMod, unsigned TypeQuals) { 2198c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ID.AddPointer(ET.getAsOpaquePtr()); 21990be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 22000be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 2201c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 2202c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman}; 2203c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 2204da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// VariableArrayType - This class represents C arrays with a specified size 2205da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// which is not an integer-constant-expression. For example, 'int s[x+foo()]'. 2206da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Since the size expression is an arbitrary expression, we store it as such. 2207da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 2208da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Note: VariableArrayType's aren't uniqued (since the expressions aren't) and 2209da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// should not be: two lexically equivalent variable array types could mean 2210da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// different things, for example, these variables do not have the same type 2211da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// dynamically: 2212da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 2213da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// void foo(int x) { 2214da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Y[x]; 2215da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// ++x; 2216da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Z[x]; 2217da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// } 2218da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 22192e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass VariableArrayType : public ArrayType { 22201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// SizeExpr - An assignment expression. VLA's are only permitted within 22211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// a function block. 2222b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek Stmt *SizeExpr; 22237e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 22247e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 22257e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 2226c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff VariableArrayType(QualType et, QualType can, Expr *e, 22277e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq, 22287e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange brackets) 2229d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(VariableArray, et, can, sm, tq, 2230d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor et->containsUnexpandedParameterPack()), 22317e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SizeExpr((Stmt*) e), Brackets(brackets) {} 22325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 22334b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 22345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 22351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 2236b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // We use C-style casts instead of cast<> here because we do not wish 2237b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // to have a dependency of Type.h on Stmt.h/Expr.h. 2238b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek return (Expr*) SizeExpr; 2239b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek } 22407e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 22417e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 22427e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 22431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2244bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2245bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2246bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 22471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 22481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == VariableArray; 22495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2250fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const VariableArrayType *) { return true; } 22511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 225292866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek friend class StmtIteratorBase; 22531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22542bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) { 2255fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner assert(0 && "Cannot unique VariableArrayTypes."); 22562bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 22575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 22585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2259898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// DependentSizedArrayType - This type represents an array type in 2260898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// C++ whose size is a value-dependent expression. For example: 2261cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 2262cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \code 22631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// template<typename T, int Size> 2264898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// class array { 2265898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// T data[Size]; 2266898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// }; 2267cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \endcode 2268cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 2269898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// For these types, we won't actually know what the array bound is 2270898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// until template instantiation occurs, at which point this will 2271898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// become either a ConstantArrayType or a VariableArrayType. 2272898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorclass DependentSizedArrayType : public ArrayType { 22734ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 22741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2275cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// \brief An assignment expression that will instantiate to the 2276898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// size of the array. 2277cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// 2278cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// The expression itself might be NULL, in which case the array 2279cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// type will have its size deduced from an initializer. 2280898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Stmt *SizeExpr; 2281cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 22827e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 22837e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 22841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22854ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentSizedArrayType(const ASTContext &Context, QualType et, QualType can, 228604d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor Expr *e, ArraySizeModifier sm, unsigned tq, 2287d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor SourceRange brackets); 2288d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2289898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class ASTContext; // ASTContext creates these. 2290898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2291898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorpublic: 22921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 2293898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // We use C-style casts instead of cast<> here because we do not wish 2294898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // to have a dependency of Type.h on Stmt.h/Expr.h. 2295898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return (Expr*) SizeExpr; 2296898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 22977e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 22987e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 22997e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 23001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2301bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2302bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2303bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 23041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 23051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedArray; 2306898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 2307898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool classof(const DependentSizedArrayType *) { return true; } 23081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2309898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class StmtIteratorBase; 23101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2312898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 23131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, Context, getElementType(), 23140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers(), getSizeExpr()); 2315898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 23161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23174ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 23181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType ET, ArraySizeModifier SizeMod, 231904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor unsigned TypeQuals, Expr *E); 2320898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor}; 2321898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2322f6ddb737cb882ffbf0b75a9abd50b930cc2b9068Douglas Gregor/// DependentSizedExtVectorType - This type represent an extended vector type 23239cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// where either the type or size is dependent. For example: 23249cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @code 23259cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// template<typename T, int Size> 23269cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// class vector { 23279cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// typedef T __attribute__((ext_vector_type(Size))) type; 23289cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// } 23299cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @endcode 23302ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregorclass DependentSizedExtVectorType : public Type, public llvm::FoldingSetNode { 23314ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 23329cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr; 23339cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// ElementType - The element type of the array. 23349cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType ElementType; 23359cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation loc; 23361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23374ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentSizedExtVectorType(const ASTContext &Context, QualType ElementType, 2338d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor QualType can, Expr *SizeExpr, SourceLocation loc); 2339d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 23409cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor friend class ASTContext; 23419cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 23429cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregorpublic: 23432ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Expr *getSizeExpr() const { return SizeExpr; } 23449cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType getElementType() const { return ElementType; } 23459cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation getAttributeLoc() const { return loc; } 23469cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 2347bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2348bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2349bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 23501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 23511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedExtVector; 23529cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor } 23531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const DependentSizedExtVectorType *) { return true; } 23542ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor 23552ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 23562ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Profile(ID, Context, getElementType(), getSizeExpr()); 23572ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 23581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23594ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 23602ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType ElementType, Expr *SizeExpr); 23619cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor}; 23621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23639cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 236473322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// VectorType - GCC generic vector type. This type is created using 23651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// __attribute__((vector_size(n)), where "n" specifies the vector size in 236682287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// bytes; or from an Altivec __vector or vector declaration. 236782287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// Since the constructor takes the number of vector elements, the 236873322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// client is responsible for converting the size into the number of elements. 23695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass VectorType : public Type, public llvm::FoldingSetNode { 2370788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattnerpublic: 2371e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson enum VectorKind { 2372e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson GenericVector, // not a target-specific vector type 2373e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecVector, // is AltiVec vector 2374e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecPixel, // is AltiVec 'vector Pixel' 2375e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecBool, // is AltiVec 'vector bool ...' 2376491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson NeonVector, // is ARM Neon vector 2377491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson NeonPolyVector // is ARM Neon polynomial vector 2378788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner }; 237973322924127c873c13101b705dd823f5539ffa5fSteve Naroffprotected: 23805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ElementType - The element type of the vector. 23815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 23821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 238382287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType(QualType vecType, unsigned nElements, QualType canonType, 2384d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor VectorKind vecKind); 238535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 23861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump VectorType(TypeClass tc, QualType vecType, unsigned nElements, 2387d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor QualType canonType, VectorKind vecKind); 2388d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 23895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 239060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 23915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 23921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 2394b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getNumElements() const { return VectorTypeBits.NumElements; } 23955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2396bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2397bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2398bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2399e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorKind getVectorKind() const { 2400e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson return VectorKind(VectorTypeBits.VecKind); 240171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2402788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 24035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 240471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Profile(ID, getElementType(), getNumElements(), 2405e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson getTypeClass(), getVectorKind()); 24065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 24071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ElementType, 240882287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson unsigned NumElements, TypeClass TypeClass, 2409e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorKind VecKind) { 24105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ElementType.getAsOpaquePtr()); 24115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddInteger(NumElements); 241273322924127c873c13101b705dd823f5539ffa5fSteve Naroff ID.AddInteger(TypeClass); 2413e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson ID.AddInteger(VecKind); 241473322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 24150b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 24161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 24171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == Vector || T->getTypeClass() == ExtVector; 24185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 24195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const VectorType *) { return true; } 24205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 24215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2422213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// ExtVectorType - Extended vector type. This type is created using 2423213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// __attribute__((ext_vector_type(n)), where "n" is the number of elements. 2424213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// Unlike vector_size, ext_vector_type is only allowed on typedef's. This 2425fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// class enables syntactic extensions, like Vector Components for accessing 2426fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// points, colors, and textures (modeled after OpenGL Shading Language). 2427213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemanclass ExtVectorType : public VectorType { 2428213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman ExtVectorType(QualType vecType, unsigned nElements, QualType canonType) : 2429e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType(ExtVector, vecType, nElements, canonType, GenericVector) {} 243073322924127c873c13101b705dd823f5539ffa5fSteve Naroff friend class ASTContext; // ASTContext creates these. 243173322924127c873c13101b705dd823f5539ffa5fSteve Naroffpublic: 243288dca0464804b8b26ae605f89784c927e8493dddChris Lattner static int getPointAccessorIdx(char c) { 243388dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 243488dca0464804b8b26ae605f89784c927e8493dddChris Lattner default: return -1; 243588dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'x': return 0; 243688dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'y': return 1; 243788dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'z': return 2; 243888dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'w': return 3; 243988dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 2440e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 2441353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman static int getNumericAccessorIdx(char c) { 244288dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 2443353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman default: return -1; 2444353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '0': return 0; 2445353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '1': return 1; 2446353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '2': return 2; 2447353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '3': return 3; 2448353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '4': return 4; 2449353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '5': return 5; 2450353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '6': return 6; 2451353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '7': return 7; 2452353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '8': return 8; 2453353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '9': return 9; 2454131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'A': 2455353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'a': return 10; 2456131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'B': 2457353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'b': return 11; 2458131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'C': 2459353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'c': return 12; 2460131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'D': 2461353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'd': return 13; 2462131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'E': 2463353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'e': return 14; 2464131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'F': 2465353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'f': return 15; 246688dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 2467e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 24681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2469b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner static int getAccessorIdx(char c) { 2470b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getPointAccessorIdx(c)+1) return idx-1; 2471353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman return getNumericAccessorIdx(c); 2472b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner } 24731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 247488dca0464804b8b26ae605f89784c927e8493dddChris Lattner bool isAccessorWithinNumElements(char c) const { 2475b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getAccessorIdx(c)+1) 247671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return unsigned(idx-1) < getNumElements(); 247788dca0464804b8b26ae605f89784c927e8493dddChris Lattner return false; 2478e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 2479bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2480bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2481bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 24821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 24831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ExtVector; 248473322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 2485213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman static bool classof(const ExtVectorType *) { return true; } 248673322924127c873c13101b705dd823f5539ffa5fSteve Naroff}; 248773322924127c873c13101b705dd823f5539ffa5fSteve Naroff 24885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// FunctionType - C99 6.7.5.3 - Function Declarators. This is the common base 248972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// class of FunctionNoProtoType and FunctionProtoType. 24905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 24915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FunctionType : public Type { 24925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // The type returned by the function. 24935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ResultType; 2494264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2495264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 2496373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// ExtInfo - A class which abstracts out some details necessary for 2497373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// making a call. 2498373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// 2499373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// It is not actually used directly for storing this information in 2500373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// a FunctionType, although FunctionType does currently use the 2501373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// same bit-pattern. 2502373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// 2503075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // If you add a field (say Foo), other than the obvious places (both, 2504075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // constructors, compile failures), what you need to update is 2505075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // * Operator== 2506425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * getFoo 2507425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * withFoo 2508425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * functionType. Add Foo, getFoo. 2509425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::getFooType 2510425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::mergeFunctionTypes 2511425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionNoProtoType::Profile 2512425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionProtoType::Profile 2513425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * TypePrinter::PrintFunctionProto 25143c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // * AST read and write 2515425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * Codegen 2516264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola class ExtInfo { 25177e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor // Feel free to rearrange or add bits, but if you go over 8, 2518373920bd733b1d28fe7bf209945a62eb9248d948John McCall // you'll need to adjust both the Bits field below and 2519373920bd733b1d28fe7bf209945a62eb9248d948John McCall // Type::FunctionTypeBitfields. 2520373920bd733b1d28fe7bf209945a62eb9248d948John McCall 25217e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor // | CC |noreturn|produces|regparm| 25227e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor // |0 .. 2| 3 | 4 | 5 .. 7| 25237e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor // 25247e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor // regparm is either 0 (no regparm attribute) or the regparm value+1. 2525b870b88df784c2940efce448ebfaf54dece14666John McCall enum { CallConvMask = 0x7 }; 2526b870b88df784c2940efce448ebfaf54dece14666John McCall enum { NoReturnMask = 0x8 }; 2527f85e193739c953358c865005855253af4f68a497John McCall enum { ProducesResultMask = 0x10 }; 2528f85e193739c953358c865005855253af4f68a497John McCall enum { RegParmMask = ~(CallConvMask | NoReturnMask | ProducesResultMask), 25297e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor RegParmOffset = 5 }; // Assumed to be the last field 2530b870b88df784c2940efce448ebfaf54dece14666John McCall 2531f85e193739c953358c865005855253af4f68a497John McCall uint16_t Bits; 253271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 2533f85e193739c953358c865005855253af4f68a497John McCall ExtInfo(unsigned Bits) : Bits(static_cast<uint16_t>(Bits)) {} 253471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 253571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall friend class FunctionType; 253671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 2537264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 2538264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with no defaults. Use this when you know that you 25393c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // have all the elements (when reading an AST file for example). 2540f85e193739c953358c865005855253af4f68a497John McCall ExtInfo(bool noReturn, bool hasRegParm, unsigned regParm, CallingConv cc, 2541f85e193739c953358c865005855253af4f68a497John McCall bool producesResult) { 25427e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor assert((!hasRegParm || regParm < 7) && "Invalid regparm value"); 2543b870b88df784c2940efce448ebfaf54dece14666John McCall Bits = ((unsigned) cc) | 2544b870b88df784c2940efce448ebfaf54dece14666John McCall (noReturn ? NoReturnMask : 0) | 2545f85e193739c953358c865005855253af4f68a497John McCall (producesResult ? ProducesResultMask : 0) | 25467e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor (hasRegParm ? ((regParm + 1) << RegParmOffset) : 0); 254771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2548264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2549264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with all defaults. Use when for example creating a 2550264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // function know to use defaults. 255171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo() : Bits(0) {} 2552264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2553b870b88df784c2940efce448ebfaf54dece14666John McCall bool getNoReturn() const { return Bits & NoReturnMask; } 2554f85e193739c953358c865005855253af4f68a497John McCall bool getProducesResult() const { return Bits & ProducesResultMask; } 25557e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor bool getHasRegParm() const { return (Bits >> RegParmOffset) != 0; } 25567e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor unsigned getRegParm() const { 25577e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor unsigned RegParm = Bits >> RegParmOffset; 25587e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor if (RegParm > 0) 25597e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor --RegParm; 25607e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor return RegParm; 25617e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor } 2562b870b88df784c2940efce448ebfaf54dece14666John McCall CallingConv getCC() const { return CallingConv(Bits & CallConvMask); } 2563264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 256471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool operator==(ExtInfo Other) const { 256571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Bits == Other.Bits; 2566264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 256771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool operator!=(ExtInfo Other) const { 256871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Bits != Other.Bits; 2569264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2570264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2571264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Note that we don't have setters. That is by design, use 2572264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // the following with methods instead of mutating these objects. 2573264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2574264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withNoReturn(bool noReturn) const { 257571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall if (noReturn) 257671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return ExtInfo(Bits | NoReturnMask); 257771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall else 257871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return ExtInfo(Bits & ~NoReturnMask); 2579425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola } 2580425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 2581f85e193739c953358c865005855253af4f68a497John McCall ExtInfo withProducesResult(bool producesResult) const { 2582f85e193739c953358c865005855253af4f68a497John McCall if (producesResult) 2583f85e193739c953358c865005855253af4f68a497John McCall return ExtInfo(Bits | ProducesResultMask); 2584f85e193739c953358c865005855253af4f68a497John McCall else 2585f85e193739c953358c865005855253af4f68a497John McCall return ExtInfo(Bits & ~ProducesResultMask); 2586f85e193739c953358c865005855253af4f68a497John McCall } 2587f85e193739c953358c865005855253af4f68a497John McCall 2588425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola ExtInfo withRegParm(unsigned RegParm) const { 25897e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor assert(RegParm < 7 && "Invalid regparm value"); 2590f85e193739c953358c865005855253af4f68a497John McCall return ExtInfo((Bits & ~RegParmMask) | 25917e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor ((RegParm + 1) << RegParmOffset)); 2592264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2593264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2594264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withCallingConv(CallingConv cc) const { 2595b870b88df784c2940efce448ebfaf54dece14666John McCall return ExtInfo((Bits & ~CallConvMask) | (unsigned) cc); 2596264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2597264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2598e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall void Profile(llvm::FoldingSetNodeID &ID) const { 259971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ID.AddInteger(Bits); 260071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2601264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola }; 2602264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 26035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 2604e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionType(TypeClass tc, QualType res, bool variadic, 2605c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor unsigned typeQuals, RefQualifierKind RefQualifier, 2606c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor QualType Canonical, bool Dependent, 2607561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool InstantiationDependent, 2608d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool VariablyModified, bool ContainsUnexpandedParameterPack, 2609d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ExtInfo Info) 2610561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(tc, Canonical, Dependent, InstantiationDependent, VariablyModified, 2611d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ContainsUnexpandedParameterPack), 2612d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ResultType(res) { 2613b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.ExtInfo = Info.Bits; 2614e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionTypeBits.Variadic = variadic; 2615b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.TypeQuals = typeQuals; 2616c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor FunctionTypeBits.RefQualifier = static_cast<unsigned>(RefQualifier); 261771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2618e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall bool isVariadic() const { return FunctionTypeBits.Variadic; } 2619b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getTypeQuals() const { return FunctionTypeBits.TypeQuals; } 2620c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 2621c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RefQualifierKind getRefQualifier() const { 2622c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor return static_cast<RefQualifierKind>(FunctionTypeBits.RefQualifier); 2623c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor } 2624c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 26255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 26261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getResultType() const { return ResultType; } 2628a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman 2629a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman bool getHasRegParm() const { return getExtInfo().getHasRegParm(); } 2630b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getRegParmType() const { return getExtInfo().getRegParm(); } 2631b870b88df784c2940efce448ebfaf54dece14666John McCall bool getNoReturnAttr() const { return getExtInfo().getNoReturn(); } 2632b870b88df784c2940efce448ebfaf54dece14666John McCall CallingConv getCallConv() const { return getExtInfo().getCC(); } 2633b870b88df784c2940efce448ebfaf54dece14666John McCall ExtInfo getExtInfo() const { return ExtInfo(FunctionTypeBits.ExtInfo); } 26345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 26355291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// \brief Determine the type of an expression that calls a function of 26365291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// this type. 26375291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor QualType getCallResultType(ASTContext &Context) const { 26386398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor return getResultType().getNonLValueExprType(Context); 26395291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor } 26405291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 2641686775deca8b8685eb90801495880e3abdd844c2Chris Lattner static StringRef getNameForCallConv(CallingConv CC); 264204a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 26435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 26445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto || 26455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer T->getTypeClass() == FunctionProto; 26465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 26475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FunctionType *) { return true; } 26485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 26495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 265072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionNoProtoType - Represents a K&R-style 'int foo()' function, which has 26515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// no information available about its arguments. 265272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionNoProtoType : public FunctionType, public llvm::FoldingSetNode { 265371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall FunctionNoProtoType(QualType Result, QualType Canonical, ExtInfo Info) 2654c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor : FunctionType(FunctionNoProto, Result, false, 0, RQ_None, Canonical, 2655561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*Dependent=*/false, /*InstantiationDependent=*/false, 2656561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Result->isVariablyModifiedType(), 2657d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false, Info) {} 2658d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 26595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 266060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 26615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 26625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // No additional state past what FunctionType provides. 26631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2664bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2665bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2666bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 26675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 2668264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Profile(ID, getResultType(), getExtInfo()); 26695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 26702455636163fdd18581d7fdae816433f886d88213Mike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ResultType, 267171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo Info) { 267271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Info.Profile(ID); 26735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ResultType.getAsOpaquePtr()); 26745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 26751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 26775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto; 26785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 267972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionNoProtoType *) { return true; } 26805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 26815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 268272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionProtoType - Represents a prototype with argument type info, e.g. 26835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int foo(int)' or 'int foo(void)'. 'void' is represented as having no 2684465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// arguments, not as having a single void argument. Such a type can have an 2685465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// exception specification, but this specification is not part of the canonical 2686465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// type. 268772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionProtoType : public FunctionType, public llvm::FoldingSetNode { 2688e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCallpublic: 2689e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall /// ExtProtoInfo - Extra information about a function prototype. 2690e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall struct ExtProtoInfo { 2691e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall ExtProtoInfo() : 26928b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl Variadic(false), ExceptionSpecType(EST_None), TypeQuals(0), 2693f85e193739c953358c865005855253af4f68a497John McCall RefQualifier(RQ_None), NumExceptions(0), Exceptions(0), NoexceptExpr(0), 2694f85e193739c953358c865005855253af4f68a497John McCall ConsumedArguments(0) {} 2695e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 2696e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionType::ExtInfo ExtInfo; 2697e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall bool Variadic; 26988b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl ExceptionSpecificationType ExceptionSpecType; 2699e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall unsigned char TypeQuals; 2700c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RefQualifierKind RefQualifier; 2701e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall unsigned NumExceptions; 2702e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall const QualType *Exceptions; 27038b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl Expr *NoexceptExpr; 2704f85e193739c953358c865005855253af4f68a497John McCall const bool *ConsumedArguments; 2705e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall }; 2706e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 2707e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCallprivate: 2708d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Determine whether there are any argument types that 2709d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// contain an unexpanded parameter pack. 2710d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor static bool containsAnyUnexpandedParameterPack(const QualType *ArgArray, 2711d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned numArgs) { 2712d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor for (unsigned Idx = 0; Idx < numArgs; ++Idx) 2713d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor if (ArgArray[Idx]->containsUnexpandedParameterPack()) 2714d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return true; 2715d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2716d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return false; 2717d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 2718d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2719e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType(QualType result, const QualType *args, unsigned numArgs, 27208026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl QualType canonical, const ExtProtoInfo &epi); 2721465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 27225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// NumArgs - The number of arguments this function has, not counting '...'. 2723f85e193739c953358c865005855253af4f68a497John McCall unsigned NumArgs : 19; 2724465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2725465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// NumExceptions - The number of types in the exception spec, if any. 272660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl unsigned NumExceptions : 9; 2727465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 272860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// ExceptionSpecType - The type of exception specification this function has. 272960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl unsigned ExceptionSpecType : 3; 2730465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2731f85e193739c953358c865005855253af4f68a497John McCall /// HasAnyConsumedArgs - Whether this function has any consumed arguments. 2732f85e193739c953358c865005855253af4f68a497John McCall unsigned HasAnyConsumedArgs : 1; 2733f85e193739c953358c865005855253af4f68a497John McCall 2734942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// ArgInfo - There is an variable size array after the class in memory that 2735942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// holds the argument types. 2736465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2737465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// Exceptions - There is another variable size array after ArgInfo that 2738465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// holds the exception types. 2739465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 274060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// NoexceptExpr - Instead of Exceptions, there may be a single Expr* pointing 274160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// to the expression in the noexcept() specifier. 274260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl 2743f85e193739c953358c865005855253af4f68a497John McCall /// ConsumedArgs - A variable size array, following Exceptions 2744f85e193739c953358c865005855253af4f68a497John McCall /// and of length NumArgs, holding flags indicating which arguments 2745f85e193739c953358c865005855253af4f68a497John McCall /// are consumed. This only appears if HasAnyConsumedArgs is true. 2746f85e193739c953358c865005855253af4f68a497John McCall 27475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 27484b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 2749f85e193739c953358c865005855253af4f68a497John McCall const bool *getConsumedArgsBuffer() const { 2750f85e193739c953358c865005855253af4f68a497John McCall assert(hasAnyConsumedArgs()); 2751f85e193739c953358c865005855253af4f68a497John McCall 2752f85e193739c953358c865005855253af4f68a497John McCall // Find the end of the exceptions. 2753f85e193739c953358c865005855253af4f68a497John McCall Expr * const *eh_end = reinterpret_cast<Expr * const *>(arg_type_end()); 2754f85e193739c953358c865005855253af4f68a497John McCall if (getExceptionSpecType() != EST_ComputedNoexcept) 2755f85e193739c953358c865005855253af4f68a497John McCall eh_end += NumExceptions; 2756f85e193739c953358c865005855253af4f68a497John McCall else 2757f85e193739c953358c865005855253af4f68a497John McCall eh_end += 1; // NoexceptExpr 2758f85e193739c953358c865005855253af4f68a497John McCall 2759f85e193739c953358c865005855253af4f68a497John McCall return reinterpret_cast<const bool*>(eh_end); 2760f85e193739c953358c865005855253af4f68a497John McCall } 2761f85e193739c953358c865005855253af4f68a497John McCall 27625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 27635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 27645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgType(unsigned i) const { 27655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(i < NumArgs && "Invalid argument number!"); 2766942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return arg_type_begin()[i]; 27675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2768465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2769e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall ExtProtoInfo getExtProtoInfo() const { 2770e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall ExtProtoInfo EPI; 2771e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = getExtInfo(); 2772e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.Variadic = isVariadic(); 277360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.ExceptionSpecType = getExceptionSpecType(); 2774e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.TypeQuals = static_cast<unsigned char>(getTypeQuals()); 2775c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor EPI.RefQualifier = getRefQualifier(); 277660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EPI.ExceptionSpecType == EST_Dynamic) { 277760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.NumExceptions = NumExceptions; 277860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.Exceptions = exception_begin(); 277960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } else if (EPI.ExceptionSpecType == EST_ComputedNoexcept) { 278060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.NoexceptExpr = getNoexceptExpr(); 278160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 2782f85e193739c953358c865005855253af4f68a497John McCall if (hasAnyConsumedArgs()) 2783f85e193739c953358c865005855253af4f68a497John McCall EPI.ConsumedArguments = getConsumedArgsBuffer(); 2784e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return EPI; 2785e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall } 2786e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 278760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Get the kind of exception specification on this function. 278860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl ExceptionSpecificationType getExceptionSpecType() const { 278960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return static_cast<ExceptionSpecificationType>(ExceptionSpecType); 279060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 279160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Return whether this function has any kind of exception spec. 279260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl bool hasExceptionSpec() const { 279360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return getExceptionSpecType() != EST_None; 279460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 279560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Return whether this function has a dynamic (throw) exception spec. 279660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl bool hasDynamicExceptionSpec() const { 279760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return isDynamicExceptionSpec(getExceptionSpecType()); 279860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 2799fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner /// \brief Return whether this function has a noexcept exception spec. 280060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl bool hasNoexceptExceptionSpec() const { 280160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return isNoexceptExceptionSpec(getExceptionSpecType()); 280260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 280360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Result type of getNoexceptSpec(). 280460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl enum NoexceptResult { 280560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_NoNoexcept, ///< There is no noexcept specifier. 280660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_BadNoexcept, ///< The noexcept specifier has a bad expression. 280760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_Dependent, ///< The noexcept specifier is dependent. 280860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_Throw, ///< The noexcept specifier evaluates to false. 280960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_Nothrow ///< The noexcept specifier evaluates to true. 281060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl }; 281160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Get the meaning of the noexcept spec on this function, if any. 28128026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl NoexceptResult getNoexceptSpec(ASTContext &Ctx) const; 2813465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned getNumExceptions() const { return NumExceptions; } 2814465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl QualType getExceptionType(unsigned i) const { 2815465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(i < NumExceptions && "Invalid exception number!"); 2816465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin()[i]; 2817465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 281860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl Expr *getNoexceptExpr() const { 281960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (getExceptionSpecType() != EST_ComputedNoexcept) 282060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return 0; 282160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl // NoexceptExpr sits where the arguments end. 282260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return *reinterpret_cast<Expr *const *>(arg_type_end()); 2823d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson } 28248026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl bool isNothrow(ASTContext &Ctx) const { 282560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl ExceptionSpecificationType EST = getExceptionSpecType(); 28267a614d8380297fcd2bc23986241905d97222948cRichard Smith assert(EST != EST_Delayed); 282760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EST == EST_DynamicNone || EST == EST_BasicNoexcept) 282860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return true; 282960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EST != EST_ComputedNoexcept) 283060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return false; 28318026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl return getNoexceptSpec(Ctx) == NR_Nothrow; 2832c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall } 2833c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall 2834e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall using FunctionType::isVariadic; 283560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl 2836f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// \brief Determines whether this function prototype contains a 2837f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// parameter pack at the end. 2838f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// 2839f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// A function template whose last parameter is a parameter pack can be 2840f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// called with an arbitrary number of arguments, much like a variadic 2841f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// function. However, 2842f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor bool isTemplateVariadic() const; 2843f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor 2844971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned getTypeQuals() const { return FunctionType::getTypeQuals(); } 28451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2846c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 2847c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief Retrieve the ref-qualifier associated with this function type. 2848c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RefQualifierKind getRefQualifier() const { 2849c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor return FunctionType::getRefQualifier(); 2850c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor } 2851c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 28525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef const QualType *arg_type_iterator; 2853942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_begin() const { 2854942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return reinterpret_cast<const QualType *>(this+1); 2855942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner } 2856942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_end() const { return arg_type_begin()+NumArgs; } 2857465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2858465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl typedef const QualType *exception_iterator; 2859465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_begin() const { 2860465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // exceptions begin where arguments end 2861465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return arg_type_end(); 2862465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2863465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_end() const { 286460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (getExceptionSpecType() != EST_Dynamic) 286560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return exception_begin(); 2866465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin() + NumExceptions; 2867465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2868465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2869f85e193739c953358c865005855253af4f68a497John McCall bool hasAnyConsumedArgs() const { 2870f85e193739c953358c865005855253af4f68a497John McCall return HasAnyConsumedArgs; 2871f85e193739c953358c865005855253af4f68a497John McCall } 2872f85e193739c953358c865005855253af4f68a497John McCall bool isArgConsumed(unsigned I) const { 2873f85e193739c953358c865005855253af4f68a497John McCall assert(I < getNumArgs() && "argument index out of range!"); 2874f85e193739c953358c865005855253af4f68a497John McCall if (hasAnyConsumedArgs()) 2875f85e193739c953358c865005855253af4f68a497John McCall return getConsumedArgsBuffer()[I]; 2876f85e193739c953358c865005855253af4f68a497John McCall return false; 2877f85e193739c953358c865005855253af4f68a497John McCall } 2878f85e193739c953358c865005855253af4f68a497John McCall 2879bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2880bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2881bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 28825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 28835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionProto; 28845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 288572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionProtoType *) { return true; } 2886465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 28878026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Ctx); 28885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Result, 2889942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator ArgTys, unsigned NumArgs, 28908026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl const ExtProtoInfo &EPI, const ASTContext &Context); 28915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 28925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 28935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2894ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// \brief Represents the dependent type named by a dependently-scoped 2895ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// typename using declaration, e.g. 2896ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// using typename Base<T>::foo; 2897ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// Template instantiation turns these into the underlying type. 2898ed97649e9574b9d854fa4d6109c9333ae0993554John McCallclass UnresolvedUsingType : public Type { 2899ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *Decl; 2900ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 290119c8576b7328f4dc2d07682f5da552875c1912efJohn McCall UnresolvedUsingType(const UnresolvedUsingTypenameDecl *D) 2902561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(UnresolvedUsing, QualType(), true, true, false, 2903d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 290419c8576b7328f4dc2d07682f5da552875c1912efJohn McCall Decl(const_cast<UnresolvedUsingTypenameDecl*>(D)) {} 2905ed97649e9574b9d854fa4d6109c9333ae0993554John McCall friend class ASTContext; // ASTContext creates these. 2906ed97649e9574b9d854fa4d6109c9333ae0993554John McCallpublic: 2907ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2908ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *getDecl() const { return Decl; } 2909ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2910ed97649e9574b9d854fa4d6109c9333ae0993554John McCall bool isSugared() const { return false; } 2911ed97649e9574b9d854fa4d6109c9333ae0993554John McCall QualType desugar() const { return QualType(this, 0); } 2912ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2913ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const Type *T) { 2914ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return T->getTypeClass() == UnresolvedUsing; 2915ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2916ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const UnresolvedUsingType *) { return true; } 2917ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2918ed97649e9574b9d854fa4d6109c9333ae0993554John McCall void Profile(llvm::FoldingSetNodeID &ID) { 2919ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Profile(ID, Decl); 2920ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2921ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static void Profile(llvm::FoldingSetNodeID &ID, 2922ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *D) { 2923ed97649e9574b9d854fa4d6109c9333ae0993554John McCall ID.AddPointer(D); 2924ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2925ed97649e9574b9d854fa4d6109c9333ae0993554John McCall}; 2926ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2927ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 29285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TypedefType : public Type { 2929162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypedefNameDecl *Decl; 2930c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanianprotected: 2931162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypedefType(TypeClass tc, const TypedefNameDecl *D, QualType can) 2932561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(tc, can, can->isDependentType(), 2933561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor can->isInstantiationDependentType(), 2934561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor can->isVariablyModifiedType(), 2935d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 2936162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Decl(const_cast<TypedefNameDecl*>(D)) { 29375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isa<TypedefType>(can) && "Invalid canonical type"); 29385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 29395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 29405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 29411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2942162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypedefNameDecl *getDecl() const { return Decl; } 29431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2944bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2945bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 2946bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 294772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == Typedef; } 29485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TypedefType *) { return true; } 29495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 29505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 295172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType (GCC extension). 295272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass TypeOfExprType : public Type { 2953d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *TOExpr; 29541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2955b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorprotected: 2956dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType(Expr *E, QualType can = QualType()); 2957d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 2958d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 2959d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *getUnderlyingExpr() const { return TOExpr; } 29601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2961bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2962bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 2963bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2964bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 29656af9f3ca25157379efd5c1caad82e9d01c17b9ffDouglas Gregor bool isSugared() const; 2966bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 296772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOfExpr; } 296872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const TypeOfExprType *) { return true; } 2969d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 2970d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 2971c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 29721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typeof(expr) types. 2973c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 2974c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 2975c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 2976c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via TypeOfExprType nodes. 29771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass DependentTypeOfExprType 2978b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : public TypeOfExprType, public llvm::FoldingSetNode { 29794ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 29801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2981b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorpublic: 29824ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentTypeOfExprType(const ASTContext &Context, Expr *E) 2983b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : TypeOfExprType(E), Context(Context) { } 29841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2985b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2986b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 2987b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 29881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29894ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 2990b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Expr *E); 2991b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor}; 29921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2993d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff/// TypeOfType (GCC extension). 2994d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffclass TypeOfType : public Type { 2995d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType TOType; 29961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TypeOfType(QualType T, QualType can) 2997561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(TypeOf, can, T->isDependentType(), 2998561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor T->isInstantiationDependentType(), 2999561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor T->isVariablyModifiedType(), 3000d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor T->containsUnexpandedParameterPack()), 300135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor TOType(T) { 3002d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff assert(!isa<TypedefType>(can) && "Invalid canonical type"); 3003d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff } 3004d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 3005d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 3006d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getUnderlyingType() const { return TOType; } 30071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3008bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 3009bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 3010bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3011bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 3012bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 3013bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 301472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOf; } 3015d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff static bool classof(const TypeOfType *) { return true; } 3016d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 30175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3018395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType (C++0x) 3019395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonclass DecltypeType : public Type { 3020395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *E; 30211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3022563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // FIXME: We could get rid of UnderlyingType if we wanted to: We would have to 3023563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // Move getDesugaredType to ASTContext so that it can call getDecltypeForExpr 3024563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // from it. 3025563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType UnderlyingType; 30261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30279d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorprotected: 3028563a03b1338d31c2462def43253a722bc885d384Anders Carlsson DecltypeType(Expr *E, QualType underlyingType, QualType can = QualType()); 3029395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson friend class ASTContext; // ASTContext creates these. 3030395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonpublic: 3031395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *getUnderlyingExpr() const { return E; } 3032563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType getUnderlyingType() const { return UnderlyingType; } 3033563a03b1338d31c2462def43253a722bc885d384Anders Carlsson 3034bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 30356af9f3ca25157379efd5c1caad82e9d01c17b9ffDouglas Gregor QualType desugar() const; 3036bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3037bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 30386af9f3ca25157379efd5c1caad82e9d01c17b9ffDouglas Gregor bool isSugared() const; 3039bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3040395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const Type *T) { return T->getTypeClass() == Decltype; } 3041395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const DecltypeType *) { return true; } 3042395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson}; 30431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3044c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 3045c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// decltype(expr) types. 3046c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 3047c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 3048c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 3049c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via DecltypeType nodes. 30509d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorclass DependentDecltypeType : public DecltypeType, public llvm::FoldingSetNode { 30514ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 30521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30539d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorpublic: 30544ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentDecltypeType(const ASTContext &Context, Expr *E); 30551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30569d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 30579d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 30589d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 30591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30604ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 30611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *E); 30629d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor}; 30631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3064ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt/// \brief A unary type transform, which is a type constructed from another 3065ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntclass UnaryTransformType : public Type { 3066ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntpublic: 3067ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt enum UTTKind { 3068ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt EnumUnderlyingType 3069ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt }; 3070ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3071ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntprivate: 3072ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt /// The untransformed type. 3073ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType BaseType; 3074ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt /// The transformed type if not dependent, otherwise the same as BaseType. 3075ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType UnderlyingType; 3076ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3077ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UTTKind UKind; 3078ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntprotected: 3079ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UnaryTransformType(QualType BaseTy, QualType UnderlyingTy, UTTKind UKind, 3080ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType CanonicalTy); 3081ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt friend class ASTContext; 3082ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntpublic: 3083ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt bool isSugared() const { return !isDependentType(); } 3084ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType desugar() const { return UnderlyingType; } 3085ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3086ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType getUnderlyingType() const { return UnderlyingType; } 3087ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType getBaseType() const { return BaseType; } 3088ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3089ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UTTKind getUTTKind() const { return UKind; } 3090ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3091ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt static bool classof(const Type *T) { 3092ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt return T->getTypeClass() == UnaryTransform; 3093ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt } 3094ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt static bool classof(const UnaryTransformType *) { return true; } 3095ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt}; 3096ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 30975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TagType : public Type { 3098ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// Stores the TagDecl associated with this type. The decl may point to any 3099ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// TagDecl that declares the entity. 3100ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl * decl; 31012ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 31022ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregorprotected: 310319c8576b7328f4dc2d07682f5da552875c1912efJohn McCall TagType(TypeClass TC, const TagDecl *D, QualType can); 31042ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 31051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 3106ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl *getDecl() const; 31071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31080b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor /// @brief Determines whether this type is in the process of being 31091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// defined. 3110ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl bool isBeingDefined() const; 31110b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 31121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 311372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return T->getTypeClass() >= TagFirst && T->getTypeClass() <= TagLast; 311472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor } 31155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TagType *) { return true; } 311672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const RecordType *) { return true; } 311772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const EnumType *) { return true; } 31185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 31195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 31205edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// RecordType - This is a helper class that allows the use of isa/cast/dyncast 31215edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of structs/unions/classes. 31225edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass RecordType : public TagType { 312349aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidisprotected: 312419c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit RecordType(const RecordDecl *D) 312519c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Record, reinterpret_cast<const TagDecl*>(D), QualType()) { } 312672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor explicit RecordType(TypeClass TC, RecordDecl *D) 312719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(TC, reinterpret_cast<const TagDecl*>(D), QualType()) { } 31282ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 31295edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 31301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31315edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner RecordDecl *getDecl() const { 31325edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<RecordDecl*>(TagType::getDecl()); 31335edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 31341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // FIXME: This predicate is a helper to QualType/Type. It needs to 31365edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // recursively check all fields for const-ness. If any field is declared 31371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // const, it needs to return false. 31385edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner bool hasConstFields() const { return false; } 31395edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 3140bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3141bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3142bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 31432daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 31442daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 31452daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 31462daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 31475edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const RecordType *) { return true; } 31485edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 31495edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 31505edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// EnumType - This is a helper class that allows the use of isa/cast/dyncast 31515edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of enums. 31525edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass EnumType : public TagType { 315319c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit EnumType(const EnumDecl *D) 315419c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Enum, reinterpret_cast<const TagDecl*>(D), QualType()) { } 31552ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 31565edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 31571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31585edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner EnumDecl *getDecl() const { 31595edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<EnumDecl*>(TagType::getDecl()); 31605edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 31611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3162bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3163bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3164bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 31652daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 31662daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 31672daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 31682daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 31695edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const EnumType *) { return true; } 31705edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 31715edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 31729d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// AttributedType - An attributed type is a type to which a type 31739d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// attribute has been applied. The "modified type" is the 31749d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// fully-sugared type to which the attributed type was applied; 31759d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// generally it is not canonically equivalent to the attributed type. 31769d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// The "equivalent type" is the minimally-desugared type which the 31779d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// type is canonically equivalent to. 31789d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// 31799d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// For example, in the following attributed type: 31809d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// int32_t __attribute__((vector_size(16))) 31819d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// - the modified type is the TypedefType for int32_t 31829d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// - the equivalent type is VectorType(16, int32_t) 31839d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// - the canonical type is VectorType(16, int) 31849d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallclass AttributedType : public Type, public llvm::FoldingSetNode { 31859d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallpublic: 31869d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // It is really silly to have yet another attribute-kind enum, but 31879d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // clang::attr::Kind doesn't currently cover the pure type attrs. 31889d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall enum Kind { 31899d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // Expression operand. 3190170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_address_space, 3191170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_regparm, 3192170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_vector_size, 3193170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_neon_vector_type, 3194170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_neon_polyvector_type, 31959d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 3196170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet FirstExprOperandKind = attr_address_space, 3197170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet LastExprOperandKind = attr_neon_polyvector_type, 31989d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 31999d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // Enumerated operand (string or keyword). 3200170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_objc_gc, 3201b8b0313e84700b5c6d597b3be4de41c97b7550f1Argyrios Kyrtzidis attr_objc_ownership, 3202414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov attr_pcs, 32039d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 3204170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet FirstEnumOperandKind = attr_objc_gc, 3205414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov LastEnumOperandKind = attr_pcs, 32069d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32079d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // No operand. 32083cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_noreturn, 32093cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_cdecl, 32103cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_fastcall, 32113cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_stdcall, 32123cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_thiscall, 32133cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_pascal 32149d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall }; 32159d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32169d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallprivate: 32179d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType ModifiedType; 32189d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType EquivalentType; 32199d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32209d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall friend class ASTContext; // creates these 32219d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32229d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType(QualType canon, Kind attrKind, 32239d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType modified, QualType equivalent) 32249d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall : Type(Attributed, canon, canon->isDependentType(), 3225561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor canon->isInstantiationDependentType(), 32269d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall canon->isVariablyModifiedType(), 32279d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall canon->containsUnexpandedParameterPack()), 32289d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ModifiedType(modified), EquivalentType(equivalent) { 32299d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedTypeBits.AttrKind = attrKind; 32309d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 32319d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32329d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallpublic: 32339d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall Kind getAttrKind() const { 32349d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return static_cast<Kind>(AttributedTypeBits.AttrKind); 32359d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 32369d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32379d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType getModifiedType() const { return ModifiedType; } 32389d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType getEquivalentType() const { return EquivalentType; } 32399d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32409d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall bool isSugared() const { return true; } 32419d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType desugar() const { return getEquivalentType(); } 32429d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32439d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 32449d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall Profile(ID, getAttrKind(), ModifiedType, EquivalentType); 32459d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 32469d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32479d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, Kind attrKind, 32489d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType modified, QualType equivalent) { 32499d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ID.AddInteger(attrKind); 32509d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ID.AddPointer(modified.getAsOpaquePtr()); 32519d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ID.AddPointer(equivalent.getAsOpaquePtr()); 32529d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 32539d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32549d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall static bool classof(const Type *T) { 32559d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return T->getTypeClass() == Attributed; 32569d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 32579d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall static bool classof(const AttributedType *T) { return true; } 32589d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall}; 32599d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 3260fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorclass TemplateTypeParmType : public Type, public llvm::FoldingSetNode { 32614fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth // Helper data collector for canonical types. 32624fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth struct CanonicalTTPTInfo { 32634fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned Depth : 15; 32644fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned ParameterPack : 1; 32654fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned Index : 16; 32664fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth }; 32674fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth 32684fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth union { 32694fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth // Info for the canonical type. 32704fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth CanonicalTTPTInfo CanTTPTInfo; 32714fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth // Info for the non-canonical type. 32724fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmDecl *TTPDecl; 32734fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth }; 327472c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 32754fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth /// Build a non-canonical type. 32764fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmType(TemplateTypeParmDecl *TTPDecl, QualType Canon) 327735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(TemplateTypeParm, Canon, /*Dependent=*/true, 3278561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 32794fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth /*VariablyModified=*/false, 32805d65e34b08b3e57a4da834195757d0d15baaffd0Chandler Carruth Canon->containsUnexpandedParameterPack()), 32814fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TTPDecl(TTPDecl) { } 328272c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 32834fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth /// Build the canonical type. 32841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType(unsigned D, unsigned I, bool PP) 3285561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(TemplateTypeParm, QualType(this, 0), 3286561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*Dependent=*/true, 3287561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 32884fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth /*VariablyModified=*/false, PP) { 32894fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth CanTTPTInfo.Depth = D; 32904fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth CanTTPTInfo.Index = I; 32914fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth CanTTPTInfo.ParameterPack = PP; 32924fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth } 329372c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 3294fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor friend class ASTContext; // ASTContext creates these 329572c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 32964fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth const CanonicalTTPTInfo& getCanTTPTInfo() const { 32974fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth QualType Can = getCanonicalTypeInternal(); 32985d65e34b08b3e57a4da834195757d0d15baaffd0Chandler Carruth return Can->castAs<TemplateTypeParmType>()->CanTTPTInfo; 32994fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth } 33004fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth 3301fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorpublic: 33024fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned getDepth() const { return getCanTTPTInfo().Depth; } 33034fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned getIndex() const { return getCanTTPTInfo().Index; } 33044fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth bool isParameterPack() const { return getCanTTPTInfo().ParameterPack; } 33054fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth 33064fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmDecl *getDecl() const { 33074fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth return isCanonicalUnqualified() ? 0 : TTPDecl; 33084fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth } 33094fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth 3310b7efff4bae117604f442bb6859c844f90b15f3ffChandler Carruth IdentifierInfo *getIdentifier() const; 33111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3312bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3313bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3314bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3315fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 33164fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth Profile(ID, getDepth(), getIndex(), isParameterPack(), getDecl()); 3317fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 3318fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 33191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, unsigned Depth, 33201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned Index, bool ParameterPack, 33214fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmDecl *TTPDecl) { 3322fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Depth); 3323fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Index); 332476e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson ID.AddBoolean(ParameterPack); 33254fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth ID.AddPointer(TTPDecl); 3326fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 3327fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 33281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 33291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateTypeParm; 333072c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor } 333172c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor static bool classof(const TemplateTypeParmType *T) { return true; } 333272c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor}; 3333fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 333449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Represents the result of substituting a type for a template 333549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type parameter. 333649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// 333749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// Within an instantiated template, all template type parameters have 333849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// been replaced with these. They are used solely to record that a 333949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type was originally written as a template type parameter; 334049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// therefore they are never canonical. 334149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallclass SubstTemplateTypeParmType : public Type, public llvm::FoldingSetNode { 334249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall // The original type parameter. 334349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced; 334449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 334549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(const TemplateTypeParmType *Param, QualType Canon) 334635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(SubstTemplateTypeParm, Canon, Canon->isDependentType(), 3347561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Canon->isInstantiationDependentType(), 3348d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Canon->isVariablyModifiedType(), 3349d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Canon->containsUnexpandedParameterPack()), 335049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Replaced(Param) { } 335149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 335249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall friend class ASTContext; 335349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 335449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallpublic: 335549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the template parameter that was substituted for. 335649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *getReplacedParameter() const { 335749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return Replaced; 335849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 335949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 336049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the type that was substituted for the template 336149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// parameter. 336249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType getReplacementType() const { 336349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getCanonicalTypeInternal(); 336449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 336549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 336649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall bool isSugared() const { return true; } 336749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType desugar() const { return getReplacementType(); } 336849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 336949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 337049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Profile(ID, getReplacedParameter(), getReplacementType()); 337149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 337249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, 337349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced, 337449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 337549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replaced); 337649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replacement.getAsOpaquePtr()); 337749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 337849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 337949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const Type *T) { 338049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return T->getTypeClass() == SubstTemplateTypeParm; 338149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 338249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const SubstTemplateTypeParmType *T) { return true; } 338349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall}; 338449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 3385c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// \brief Represents the result of substituting a set of types for a template 3386c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// type parameter pack. 3387c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// 3388c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// When a pack expansion in the source code contains multiple parameter packs 3389c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// and those parameter packs correspond to different levels of template 3390c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// parameter lists, this type node is used to represent a template type 3391c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// parameter pack from an outer level, which has already had its argument pack 3392c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// substituted but that still lives within a pack expansion that itself 3393c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// could not be instantiated. When actually performing a substitution into 3394c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// that pack expansion (e.g., when all template parameters have corresponding 3395c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// arguments), this type will be replaced with the \c SubstTemplateTypeParmType 3396c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// at the current pack substitution index. 3397c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregorclass SubstTemplateTypeParmPackType : public Type, public llvm::FoldingSetNode { 3398c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// \brief The original type parameter. 3399c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *Replaced; 3400c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3401c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// \brief A pointer to the set of template arguments that this 3402c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// parameter pack is instantiated with. 3403c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument *Arguments; 3404c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3405c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// \brief The number of template arguments in \c Arguments. 3406c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor unsigned NumArguments; 3407c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3408c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType(const TemplateTypeParmType *Param, 3409c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor QualType Canon, 3410c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument &ArgPack); 3411c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3412c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor friend class ASTContext; 3413c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3414c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregorpublic: 3415b7efff4bae117604f442bb6859c844f90b15f3ffChandler Carruth IdentifierInfo *getIdentifier() const { return Replaced->getIdentifier(); } 3416c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3417c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// Gets the template parameter that was substituted for. 3418c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *getReplacedParameter() const { 3419c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return Replaced; 3420c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 3421c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3422c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor bool isSugared() const { return false; } 3423c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor QualType desugar() const { return QualType(this, 0); } 3424c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3425c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor TemplateArgument getArgumentPack() const; 3426c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3427c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID); 3428c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, 3429c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *Replaced, 3430c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument &ArgPack); 3431c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3432c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor static bool classof(const Type *T) { 3433c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return T->getTypeClass() == SubstTemplateTypeParmPack; 3434c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 3435c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor static bool classof(const SubstTemplateTypeParmPackType *T) { return true; } 3436c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor}; 3437c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 343834b41d939a1328f484511c6002ba2456db879a29Richard Smith/// \brief Represents a C++0x auto type. 343934b41d939a1328f484511c6002ba2456db879a29Richard Smith/// 344034b41d939a1328f484511c6002ba2456db879a29Richard Smith/// These types are usually a placeholder for a deduced type. However, within 344134b41d939a1328f484511c6002ba2456db879a29Richard Smith/// templates and before the initializer is attached, there is no deduced type 344234b41d939a1328f484511c6002ba2456db879a29Richard Smith/// and an auto type is type-dependent and canonical. 344334b41d939a1328f484511c6002ba2456db879a29Richard Smithclass AutoType : public Type, public llvm::FoldingSetNode { 344434b41d939a1328f484511c6002ba2456db879a29Richard Smith AutoType(QualType DeducedType) 344534b41d939a1328f484511c6002ba2456db879a29Richard Smith : Type(Auto, DeducedType.isNull() ? QualType(this, 0) : DeducedType, 344634b41d939a1328f484511c6002ba2456db879a29Richard Smith /*Dependent=*/DeducedType.isNull(), 3447561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/DeducedType.isNull(), 344834b41d939a1328f484511c6002ba2456db879a29Richard Smith /*VariablyModified=*/false, /*ContainsParameterPack=*/false) { 344934b41d939a1328f484511c6002ba2456db879a29Richard Smith assert((DeducedType.isNull() || !DeducedType->isDependentType()) && 345034b41d939a1328f484511c6002ba2456db879a29Richard Smith "deduced a dependent type for auto"); 345134b41d939a1328f484511c6002ba2456db879a29Richard Smith } 345234b41d939a1328f484511c6002ba2456db879a29Richard Smith 345334b41d939a1328f484511c6002ba2456db879a29Richard Smith friend class ASTContext; // ASTContext creates these 345434b41d939a1328f484511c6002ba2456db879a29Richard Smith 345534b41d939a1328f484511c6002ba2456db879a29Richard Smithpublic: 345634b41d939a1328f484511c6002ba2456db879a29Richard Smith bool isSugared() const { return isDeduced(); } 345734b41d939a1328f484511c6002ba2456db879a29Richard Smith QualType desugar() const { return getCanonicalTypeInternal(); } 345834b41d939a1328f484511c6002ba2456db879a29Richard Smith 345934b41d939a1328f484511c6002ba2456db879a29Richard Smith QualType getDeducedType() const { 346034b41d939a1328f484511c6002ba2456db879a29Richard Smith return isDeduced() ? getCanonicalTypeInternal() : QualType(); 346134b41d939a1328f484511c6002ba2456db879a29Richard Smith } 346234b41d939a1328f484511c6002ba2456db879a29Richard Smith bool isDeduced() const { 346334b41d939a1328f484511c6002ba2456db879a29Richard Smith return !isDependentType(); 346434b41d939a1328f484511c6002ba2456db879a29Richard Smith } 346534b41d939a1328f484511c6002ba2456db879a29Richard Smith 346634b41d939a1328f484511c6002ba2456db879a29Richard Smith void Profile(llvm::FoldingSetNodeID &ID) { 346734b41d939a1328f484511c6002ba2456db879a29Richard Smith Profile(ID, getDeducedType()); 346834b41d939a1328f484511c6002ba2456db879a29Richard Smith } 346934b41d939a1328f484511c6002ba2456db879a29Richard Smith 347034b41d939a1328f484511c6002ba2456db879a29Richard Smith static void Profile(llvm::FoldingSetNodeID &ID, 347134b41d939a1328f484511c6002ba2456db879a29Richard Smith QualType Deduced) { 347234b41d939a1328f484511c6002ba2456db879a29Richard Smith ID.AddPointer(Deduced.getAsOpaquePtr()); 347334b41d939a1328f484511c6002ba2456db879a29Richard Smith } 347434b41d939a1328f484511c6002ba2456db879a29Richard Smith 347534b41d939a1328f484511c6002ba2456db879a29Richard Smith static bool classof(const Type *T) { 347634b41d939a1328f484511c6002ba2456db879a29Richard Smith return T->getTypeClass() == Auto; 347734b41d939a1328f484511c6002ba2456db879a29Richard Smith } 347834b41d939a1328f484511c6002ba2456db879a29Richard Smith static bool classof(const AutoType *T) { return true; } 347934b41d939a1328f484511c6002ba2456db879a29Richard Smith}; 348034b41d939a1328f484511c6002ba2456db879a29Richard Smith 34811901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// \brief Represents a type template specialization; the template 34821901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// must be a class template, a type alias template, or a template 34831901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// template parameter. A template which cannot be resolved to one of 34841901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// these, e.g. because it is written with a dependent scope 34851901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// specifier, is instead represented as a 34861901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// @c DependentTemplateSpecializationType. 348755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// 34881901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// A non-dependent template specialization type is always "sugar", 34891901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// typically for a @c RecordType. For example, a class template 34901901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// specialization type of @c vector<int> will refer to a tag type for 34911901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// the instantiation @c std::vector<int, std::allocator<int>> 34927532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// 34931901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// Template specializations are dependent if either the template or 34941901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// any of the template arguments are dependent, in which case the 34951901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// type may also be canonical. 34963e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith/// 34971901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// Instances of this type are allocated with a trailing array of 34981901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// TemplateArguments, followed by a QualType representing the 34991901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// non-canonical aliased type when the template is a type alias 35001901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// template. 35011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass TemplateSpecializationType 350255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor : public Type, public llvm::FoldingSetNode { 35031901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall /// \brief The name of the template being specialized. This is 35041901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall /// either a TemplateName::Template (in which case it is a 35051901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall /// ClassTemplateDecl*, a TemplateTemplateParmDecl*, or a 3506146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall /// TypeAliasTemplateDecl*), a 3507146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall /// TemplateName::SubstTemplateTemplateParmPack, or a 3508146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall /// TemplateName::SubstTemplateTemplateParm (in which case the 3509146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall /// replacement must, recursively, be one of these). 35107532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Template; 351155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 351240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief - The number of template arguments named in this class 351340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// template specialization. 351455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned NumArgs; 351555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 3516ef99001908e799c388f1363b1e607dad5f5b57d3John McCall TemplateSpecializationType(TemplateName T, 35177532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 35183e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith unsigned NumArgs, QualType Canon, 35193e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Aliased); 352055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 352155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor friend class ASTContext; // ASTContext creates these 352255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 352355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregorpublic: 352440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Determine whether any of the given template arguments are 352540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// dependent. 352640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor static bool anyDependentTemplateArguments(const TemplateArgument *Args, 3527561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor unsigned NumArgs, 3528561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool &InstantiationDependent); 352940808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 3530833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static bool anyDependentTemplateArguments(const TemplateArgumentLoc *Args, 3531561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor unsigned NumArgs, 3532561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool &InstantiationDependent); 3533833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 3534561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor static bool anyDependentTemplateArguments(const TemplateArgumentListInfo &, 3535561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool &InstantiationDependent); 3536d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 3537df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// \brief Print a template argument list, including the '<' and '>' 3538df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// enclosing the template arguments. 3539df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor static std::string PrintTemplateArgumentList(const TemplateArgument *Args, 3540d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned NumArgs, 3541dace95b13e2ceb0c3ec8de6babd926dc5114e1e5Douglas Gregor const PrintingPolicy &Policy, 3542dace95b13e2ceb0c3ec8de6babd926dc5114e1e5Douglas Gregor bool SkipBrackets = false); 3543df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor 3544833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static std::string PrintTemplateArgumentList(const TemplateArgumentLoc *Args, 3545833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs, 3546833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const PrintingPolicy &Policy); 3547833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 3548d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static std::string PrintTemplateArgumentList(const TemplateArgumentListInfo &, 3549d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const PrintingPolicy &Policy); 3550d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 355131f17ecbef57b5679c017c375db330546b7b5145John McCall /// True if this template specialization type matches a current 355231f17ecbef57b5679c017c375db330546b7b5145John McCall /// instantiation in the context in which it is found. 355331f17ecbef57b5679c017c375db330546b7b5145John McCall bool isCurrentInstantiation() const { 355471d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall return isa<InjectedClassNameType>(getCanonicalTypeInternal()); 355531f17ecbef57b5679c017c375db330546b7b5145John McCall } 355631f17ecbef57b5679c017c375db330546b7b5145John McCall 35573e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith /// True if this template specialization type is for a type alias 35583e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith /// template. 35593e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith bool isTypeAlias() const; 35603e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith /// Get the aliased type, if this is a specialization of a type alias 35613e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith /// template. 35623e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType getAliasedType() const { 35633e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith assert(isTypeAlias() && "not a type alias template specialization"); 35643e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return *reinterpret_cast<const QualType*>(end()); 35653e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 35663e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 356740808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor typedef const TemplateArgument * iterator; 356840808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 356940808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor iterator begin() const { return getArgs(); } 357033500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // defined inline in TemplateBase.h 357140808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 35727532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor /// \brief Retrieve the name of the template that we are specializing. 35737532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName getTemplateName() const { return Template; } 357455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 357540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the template arguments. 35761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const TemplateArgument *getArgs() const { 357740808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor return reinterpret_cast<const TemplateArgument *>(this + 1); 357840808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor } 357940808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 358040808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the number of template arguments. 358155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned getNumArgs() const { return NumArgs; } 358255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 358355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \brief Retrieve a specific template argument as a type. 358455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \precondition @c isArgType(Arg) 358533500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 358655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 358731f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { 35883e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return !isDependentType() || isCurrentInstantiation() || isTypeAlias(); 358931f17ecbef57b5679c017c375db330546b7b5145John McCall } 3590bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getCanonicalTypeInternal(); } 3591bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 35924ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Ctx) { 359371d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall Profile(ID, Template, getArgs(), NumArgs, Ctx); 35943e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (isTypeAlias()) 35953e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith getAliasedType().Profile(ID); 359655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 359755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 35987532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, TemplateName T, 359931f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateArgument *Args, 360031f17ecbef57b5679c017c375db330546b7b5145John McCall unsigned NumArgs, 36014ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context); 360255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 36031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 36041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateSpecialization; 360555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 36067532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static bool classof(const TemplateSpecializationType *T) { return true; } 360755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor}; 360855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 360931f17ecbef57b5679c017c375db330546b7b5145John McCall/// \brief The injected class name of a C++ class template or class 361031f17ecbef57b5679c017c375db330546b7b5145John McCall/// template partial specialization. Used to record that a type was 361131f17ecbef57b5679c017c375db330546b7b5145John McCall/// spelled with a bare identifier rather than as a template-id; the 361231f17ecbef57b5679c017c375db330546b7b5145John McCall/// equivalent for non-templated classes is just RecordType. 36133cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 361431f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always dependent. Template 361531f17ecbef57b5679c017c375db330546b7b5145John McCall/// instantiation turns these into RecordTypes. 36163cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 361731f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always canonical. This works 361831f17ecbef57b5679c017c375db330546b7b5145John McCall/// because it is impossible to compare an injected class name type 361931f17ecbef57b5679c017c375db330546b7b5145John McCall/// with the corresponding non-injected template type, for the same 362031f17ecbef57b5679c017c375db330546b7b5145John McCall/// reason that it is impossible to directly compare template 362131f17ecbef57b5679c017c375db330546b7b5145John McCall/// parameters from different dependent contexts: injected class name 362231f17ecbef57b5679c017c375db330546b7b5145John McCall/// types can only occur within the scope of a particular templated 362331f17ecbef57b5679c017c375db330546b7b5145John McCall/// declaration, and within that scope every template specialization 362431f17ecbef57b5679c017c375db330546b7b5145John McCall/// will canonicalize to the injected class name (when appropriate 362531f17ecbef57b5679c017c375db330546b7b5145John McCall/// according to the rules of the language). 36263cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallclass InjectedClassNameType : public Type { 36273cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall CXXRecordDecl *Decl; 36283cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 362931f17ecbef57b5679c017c375db330546b7b5145John McCall /// The template specialization which this type represents. 363031f17ecbef57b5679c017c375db330546b7b5145John McCall /// For example, in 363131f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class T> class A { ... }; 363231f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<T>, whereas in 363331f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class X, class Y> class A<B<X,Y> > { ... }; 363431f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<B<X,Y> >. 363531f17ecbef57b5679c017c375db330546b7b5145John McCall /// 363631f17ecbef57b5679c017c375db330546b7b5145John McCall /// It is always unqualified, always a template specialization type, 363731f17ecbef57b5679c017c375db330546b7b5145John McCall /// and always dependent. 363831f17ecbef57b5679c017c375db330546b7b5145John McCall QualType InjectedType; 36393cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 36403cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall friend class ASTContext; // ASTContext creates these. 3641c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; // FIXME: ASTContext::getInjectedClassNameType is not 3642c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl // currently suitable for AST reading, too much 364343921b53b582145f0d1b7c48223bd4d9f0a9d1beArgyrios Kyrtzidis // interdependencies. 364431f17ecbef57b5679c017c375db330546b7b5145John McCall InjectedClassNameType(CXXRecordDecl *D, QualType TST) 364535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(InjectedClassName, QualType(), /*Dependent=*/true, 3646561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 3647d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, 3648d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 364931f17ecbef57b5679c017c375db330546b7b5145John McCall Decl(D), InjectedType(TST) { 36503cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<TemplateSpecializationType>(TST)); 36513cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(!TST.hasQualifiers()); 365231f17ecbef57b5679c017c375db330546b7b5145John McCall assert(TST->isDependentType()); 36533cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 36543cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 36553cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallpublic: 365631f17ecbef57b5679c017c375db330546b7b5145John McCall QualType getInjectedSpecializationType() const { return InjectedType; } 365731f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateSpecializationType *getInjectedTST() const { 365831f17ecbef57b5679c017c375db330546b7b5145John McCall return cast<TemplateSpecializationType>(InjectedType.getTypePtr()); 36593cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 36603cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 3661ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl CXXRecordDecl *getDecl() const; 36623cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 366331f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { return false; } 366431f17ecbef57b5679c017c375db330546b7b5145John McCall QualType desugar() const { return QualType(this, 0); } 36653cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 36663cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const Type *T) { 36673cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return T->getTypeClass() == InjectedClassName; 36683cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 36693cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const InjectedClassNameType *T) { return true; } 36703cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall}; 36713cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 3672465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief The kind of a tag type. 3673465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraenum TagTypeKind { 3674465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "struct" keyword. 3675465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Struct, 3676465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "union" keyword. 3677465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Union, 3678465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword. 3679465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Class, 3680465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "enum" keyword. 3681465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Enum 3682465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 3683465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 36844a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief The elaboration keyword that precedes a qualified type name or 36854a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// introduces an elaborated-type-specifier. 36864a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregorenum ElaboratedTypeKeyword { 36874a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "struct" keyword introduces the elaborated-type-specifier. 36884a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Struct, 36894a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "union" keyword introduces the elaborated-type-specifier. 36904a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Union, 3691465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword introduces the elaborated-type-specifier. 3692465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Class, 36934a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "enum" keyword introduces the elaborated-type-specifier. 3694465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Enum, 3695465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "typename" keyword precedes the qualified type name, e.g., 3696465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \c typename T::type. 3697465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Typename, 3698465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief No keyword precedes the qualified type name. 3699465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_None 37004a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor}; 3701465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3702465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// A helper class for Type nodes having an ElaboratedTypeKeyword. 3703465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The keyword in stored in the free bits of the base class. 3704465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// Also provides a few static helpers for converting and printing 3705465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// elaborated type keyword and tag type kind enumerations. 3706465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass TypeWithKeyword : public Type { 3707465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraprotected: 3708465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TypeWithKeyword(ElaboratedTypeKeyword Keyword, TypeClass tc, 3709561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor QualType Canonical, bool Dependent, 3710561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool InstantiationDependent, bool VariablyModified, 3711d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool ContainsUnexpandedParameterPack) 3712561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(tc, Canonical, Dependent, InstantiationDependent, VariablyModified, 3713d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ContainsUnexpandedParameterPack) { 371477be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall TypeWithKeywordBits.Keyword = Keyword; 371577be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall } 3716465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3717465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnarapublic: 3718465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypeKeyword getKeyword() const { 371977be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall return static_cast<ElaboratedTypeKeyword>(TypeWithKeywordBits.Keyword); 3720465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 3721465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3722465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTypeSpec - Converts a type specifier (DeclSpec::TST) 3723465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into an elaborated type keyword. 3724465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTypeSpec(unsigned TypeSpec); 3725465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3726465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForTypeSpec - Converts a type specifier (DeclSpec::TST) 3727465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into a tag type kind. It is an error to provide a type specifier 3728465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 3729465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForTypeSpec(unsigned TypeSpec); 3730465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3731465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTagDeclKind - Converts a TagTypeKind into an 3732465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// elaborated type keyword. 3733465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTagTypeKind(TagTypeKind Tag); 3734465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3735465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForKeyword - Converts an elaborated type keyword into 3736465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara // a TagTypeKind. It is an error to provide an elaborated type keyword 3737465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 3738465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForKeyword(ElaboratedTypeKeyword Keyword); 3739465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3740465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool KeywordIsTagTypeKind(ElaboratedTypeKeyword Keyword); 3741465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3742465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getKeywordName(ElaboratedTypeKeyword Keyword); 3743465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3744465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getTagTypeKindName(TagTypeKind Kind) { 3745465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getKeywordName(getKeywordForTagTypeKind(Kind)); 3746465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 3747465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3748465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara class CannotCastToThisType {}; 3749465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static CannotCastToThisType classof(const Type *); 3750465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 3751465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3752465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief Represents a type that was referred to using an elaborated type 3753465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// keyword, e.g., struct S, or via a qualified name, e.g., N::M::type, 3754465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// or both. 3755e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// 3756e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// This type is used to keep track of a type name as written in the 3757465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// source code, including tag keywords and any nested-name-specifiers. 3758465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The type itself is always "sugar", used to express what was written 3759465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// in the source code but containing no additional semantic information. 3760465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass ElaboratedType : public TypeWithKeyword, public llvm::FoldingSetNode { 3761465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3762ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The nested name specifier containing the qualifier. 3763ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *NNS; 3764e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3765e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief The type that this qualified name refers to. 3766e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType; 3767e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3768465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 3769465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType, QualType CanonType) 3770465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara : TypeWithKeyword(Keyword, Elaborated, CanonType, 377135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor NamedType->isDependentType(), 3772561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor NamedType->isInstantiationDependentType(), 3773d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor NamedType->isVariablyModifiedType(), 3774d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor NamedType->containsUnexpandedParameterPack()), 3775465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), NamedType(NamedType) { 3776465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!(Keyword == ETK_None && NNS == 0) && 3777465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "ElaboratedType cannot have elaborated type keyword " 3778465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "and name qualifier both null."); 3779465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 3780e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3781e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor friend class ASTContext; // ASTContext creates these 3782e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3783e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregorpublic: 378433500955d731c73717af52088b7fc0e7a85681e7John McCall ~ElaboratedType(); 3785465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3786ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief Retrieve the qualification on this type. 3787ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 3788e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3789e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief Retrieve the type named by the qualified-id. 3790e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType getNamedType() const { return NamedType; } 3791e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3792bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 3793bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getNamedType(); } 3794bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3795bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 3796bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 3797bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3798e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 3799465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, NamedType); 3800e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 3801e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3802465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 3803465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, QualType NamedType) { 3804465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ID.AddInteger(Keyword); 3805ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor ID.AddPointer(NNS); 3806ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NamedType.Profile(ID); 3807ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor } 3808e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 38091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 3810465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return T->getTypeClass() == Elaborated; 3811e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 3812465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool classof(const ElaboratedType *T) { return true; } 3813e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor}; 3814e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 38154a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief Represents a qualified type name for which the type name is 38164a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent. 3817d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor/// 38184a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// DependentNameType represents a class of dependent types that involve a 38194a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent nested-name-specifier (e.g., "T::") followed by a (dependent) 38204a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// name of a type. The DependentNameType may start with a "typename" (for a 38214a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// typename-specifier), "class", "struct", "union", or "enum" (for a 38224a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent elaborated-type-specifier), or nothing (in contexts where we 38234a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// know that we must be referring to a type, e.g., in a base class specifier). 3824465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass DependentNameType : public TypeWithKeyword, public llvm::FoldingSetNode { 3825465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3826d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The nested name specifier containing the qualifier. 3827d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *NNS; 3828d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3829d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The type that this typename specifier refers to. 383033500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 3831d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 38324a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 38334a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, QualType CanonType) 383435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : TypeWithKeyword(Keyword, DependentName, CanonType, /*Dependent=*/true, 3835561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 3836d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, 3837d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor NNS->containsUnexpandedParameterPack()), 3838465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), Name(Name) { 38391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(NNS->isDependent() && 38404714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor "DependentNameType requires a dependent nested-name-specifier"); 3841d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3842d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3843d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor friend class ASTContext; // ASTContext creates these 3844d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3845d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregorpublic: 3846d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief Retrieve the qualification on this type. 3847d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 3848d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 38491734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// \brief Retrieve the type named by the typename specifier as an 38501734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// identifier. 38511734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// 38521734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// This routine will return a non-NULL identifier pointer when the 38531734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// form of the original typename was terminated by an identifier, 38541734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// e.g., "typename T::type". 38551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const IdentifierInfo *getIdentifier() const { 385633500955d731c73717af52088b7fc0e7a85681e7John McCall return Name; 38571734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 3858d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3859bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3860bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3861bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3862d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 3863465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, Name); 3864d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3865d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 38664a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 386733500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, const IdentifierInfo *Name) { 38684a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ID.AddInteger(Keyword); 3869d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor ID.AddPointer(NNS); 387033500955d731c73717af52088b7fc0e7a85681e7John McCall ID.AddPointer(Name); 3871d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3872d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 38731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 38744714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor return T->getTypeClass() == DependentName; 3875d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 38764714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor static bool classof(const DependentNameType *T) { return true; } 3877d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor}; 3878d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 387933500955d731c73717af52088b7fc0e7a85681e7John McCall/// DependentTemplateSpecializationType - Represents a template 388033500955d731c73717af52088b7fc0e7a85681e7John McCall/// specialization type whose template cannot be resolved, e.g. 388133500955d731c73717af52088b7fc0e7a85681e7John McCall/// A<T>::template B<T> 388233500955d731c73717af52088b7fc0e7a85681e7John McCallclass DependentTemplateSpecializationType : 388333500955d731c73717af52088b7fc0e7a85681e7John McCall public TypeWithKeyword, public llvm::FoldingSetNode { 388433500955d731c73717af52088b7fc0e7a85681e7John McCall 388533500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The nested name specifier containing the qualifier. 388633500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS; 388733500955d731c73717af52088b7fc0e7a85681e7John McCall 388833500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The identifier of the template. 388933500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 389033500955d731c73717af52088b7fc0e7a85681e7John McCall 389133500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief - The number of template arguments named in this class 389233500955d731c73717af52088b7fc0e7a85681e7John McCall /// template specialization. 389333500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs; 389433500955d731c73717af52088b7fc0e7a85681e7John McCall 389533500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgBuffer() const { 389633500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<const TemplateArgument*>(this+1); 389733500955d731c73717af52088b7fc0e7a85681e7John McCall } 389833500955d731c73717af52088b7fc0e7a85681e7John McCall TemplateArgument *getArgBuffer() { 389933500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<TemplateArgument*>(this+1); 390033500955d731c73717af52088b7fc0e7a85681e7John McCall } 390133500955d731c73717af52088b7fc0e7a85681e7John McCall 3902ef99001908e799c388f1363b1e607dad5f5b57d3John McCall DependentTemplateSpecializationType(ElaboratedTypeKeyword Keyword, 390333500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 390433500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 390533500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 390633500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args, 390733500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon); 390833500955d731c73717af52088b7fc0e7a85681e7John McCall 390933500955d731c73717af52088b7fc0e7a85681e7John McCall friend class ASTContext; // ASTContext creates these 391033500955d731c73717af52088b7fc0e7a85681e7John McCall 391133500955d731c73717af52088b7fc0e7a85681e7John McCallpublic: 391233500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *getQualifier() const { return NNS; } 391333500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *getIdentifier() const { return Name; } 391433500955d731c73717af52088b7fc0e7a85681e7John McCall 391533500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the template arguments. 391633500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgs() const { 391733500955d731c73717af52088b7fc0e7a85681e7John McCall return getArgBuffer(); 391833500955d731c73717af52088b7fc0e7a85681e7John McCall } 391933500955d731c73717af52088b7fc0e7a85681e7John McCall 392033500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the number of template arguments. 392133500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned getNumArgs() const { return NumArgs; } 392233500955d731c73717af52088b7fc0e7a85681e7John McCall 392333500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 392433500955d731c73717af52088b7fc0e7a85681e7John McCall 392533500955d731c73717af52088b7fc0e7a85681e7John McCall typedef const TemplateArgument * iterator; 392633500955d731c73717af52088b7fc0e7a85681e7John McCall iterator begin() const { return getArgs(); } 392733500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // inline in TemplateBase.h 392833500955d731c73717af52088b7fc0e7a85681e7John McCall 392933500955d731c73717af52088b7fc0e7a85681e7John McCall bool isSugared() const { return false; } 393033500955d731c73717af52088b7fc0e7a85681e7John McCall QualType desugar() const { return QualType(this, 0); } 393133500955d731c73717af52088b7fc0e7a85681e7John McCall 39324ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context) { 393333500955d731c73717af52088b7fc0e7a85681e7John McCall Profile(ID, Context, getKeyword(), NNS, Name, NumArgs, getArgs()); 393433500955d731c73717af52088b7fc0e7a85681e7John McCall } 393533500955d731c73717af52088b7fc0e7a85681e7John McCall 393633500955d731c73717af52088b7fc0e7a85681e7John McCall static void Profile(llvm::FoldingSetNodeID &ID, 39374ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context, 393833500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 393933500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *Qualifier, 394033500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 394133500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 394233500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args); 394333500955d731c73717af52088b7fc0e7a85681e7John McCall 394433500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const Type *T) { 394533500955d731c73717af52088b7fc0e7a85681e7John McCall return T->getTypeClass() == DependentTemplateSpecialization; 394633500955d731c73717af52088b7fc0e7a85681e7John McCall } 394733500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const DependentTemplateSpecializationType *T) { 394833500955d731c73717af52088b7fc0e7a85681e7John McCall return true; 394933500955d731c73717af52088b7fc0e7a85681e7John McCall } 395033500955d731c73717af52088b7fc0e7a85681e7John McCall}; 395133500955d731c73717af52088b7fc0e7a85681e7John McCall 39527536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// \brief Represents a pack expansion of types. 39537536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 39547536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// Pack expansions are part of C++0x variadic templates. A pack 39557536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// expansion contains a pattern, which itself contains one or more 39567536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// "unexpanded" parameter packs. When instantiated, a pack expansion 39577536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// produces a series of types, each instantiated from the pattern of 39587536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// the expansion, where the Ith instantiation of the pattern uses the 39597536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// Ith arguments bound to each of the unexpanded parameter packs. The 39607536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// pack expansion is considered to "expand" these unexpanded 39617536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// parameter packs. 39627536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 39637536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// \code 39647536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// template<typename ...Types> struct tuple; 39657536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 39667536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// template<typename ...Types> 39677536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// struct tuple_of_references { 39687536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// typedef tuple<Types&...> type; 39697536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// }; 39707536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// \endcode 39717536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 39727536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// Here, the pack expansion \c Types&... is represented via a 39737536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// PackExpansionType whose pattern is Types&. 39747536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregorclass PackExpansionType : public Type, public llvm::FoldingSetNode { 39757536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// \brief The pattern of the pack expansion. 39767536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType Pattern; 39777536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 3978cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// \brief The number of expansions that this pack expansion will 3979cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// generate when substituted (+1), or indicates that 3980cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// 3981cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// This field will only have a non-zero value when some of the parameter 3982cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// packs that occur within the pattern have been substituted but others have 3983cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// not. 3984cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor unsigned NumExpansions; 3985cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor 3986cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor PackExpansionType(QualType Pattern, QualType Canon, 3987cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> NumExpansions) 39887536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor : Type(PackExpansion, Canon, /*Dependent=*/true, 3989561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 39907536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /*VariableModified=*/Pattern->isVariablyModifiedType(), 39917536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 3992cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor Pattern(Pattern), 3993cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor NumExpansions(NumExpansions? *NumExpansions + 1: 0) { } 39947536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 39957536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor friend class ASTContext; // ASTContext creates these 3996cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor 39977536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregorpublic: 39987536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// \brief Retrieve the pattern of this pack expansion, which is the 39997536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// type that will be repeatedly instantiated when instantiating the 40007536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// pack expansion itself. 40017536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType getPattern() const { return Pattern; } 40027536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 4003cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// \brief Retrieve the number of expansions that this pack expansion will 4004cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// generate, if known. 4005cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> getNumExpansions() const { 4006cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor if (NumExpansions) 4007cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor return NumExpansions - 1; 4008cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor 4009cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor return llvm::Optional<unsigned>(); 4010cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor } 4011cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor 40127536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor bool isSugared() const { return false; } 40137536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType desugar() const { return QualType(this, 0); } 40147536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 40157536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 4016cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor Profile(ID, getPattern(), getNumExpansions()); 40177536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 40187536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 4019cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, QualType Pattern, 4020cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> NumExpansions) { 40217536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor ID.AddPointer(Pattern.getAsOpaquePtr()); 4022cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor ID.AddBoolean(NumExpansions); 4023cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor if (NumExpansions) 4024cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor ID.AddInteger(*NumExpansions); 40257536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 40267536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 40277536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor static bool classof(const Type *T) { 40287536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return T->getTypeClass() == PackExpansion; 40297536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 40307536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor static bool classof(const PackExpansionType *T) { 40317536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return true; 40327536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 40337536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor}; 40347536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 4035c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectType - Represents a class type in Objective C. 4036c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Every Objective C type is a combination of a base type and a 4037c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// list of protocols. 4038c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 4039c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Given the following declarations: 4040c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @class C; 4041c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @protocol P; 4042c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 4043c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C' is an ObjCInterfaceType C. It is sugar for an ObjCObjectType 4044c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// with base C and no protocols. 4045c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 4046c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C<P>' is an ObjCObjectType with base C and protocol list [P]. 4047c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 4048e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id' is a TypedefType which is sugar for an ObjCPointerType whose 4049e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// pointee is an ObjCObjectType with base BuiltinType::ObjCIdType 4050e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// and no protocols. 4051c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 4052e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id<P>' is an ObjCPointerType whose pointee is an ObjCObjecType 4053e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// with base BuiltinType::ObjCIdType and protocol list [P]. Eventually 4054e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// this should get its own sugar class to better represent the source. 4055c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectType : public Type { 4056b870b88df784c2940efce448ebfaf54dece14666John McCall // ObjCObjectType.NumProtocols - the number of protocols stored 4057b870b88df784c2940efce448ebfaf54dece14666John McCall // after the ObjCObjectPointerType node. 405871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // 405971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // These protocols are those written directly on the type. If 406071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // protocol qualifiers ever become additive, the iterators will need 406171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // to get kindof complicated. 406271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // 406371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // In the canonical object type, these are sorted alphabetically 406471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // and uniqued. 4065c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 4066c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Either a BuiltinType or an InterfaceType or sugar for either. 4067c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType BaseType; 4068c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4069c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *getProtocolStorage() const { 4070c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return const_cast<ObjCObjectType*>(this)->getProtocolStorage(); 4071c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4072c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4073c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl **getProtocolStorage(); 4074c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4075c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallprotected: 4076c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(QualType Canonical, QualType Base, 4077c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, unsigned NumProtocols); 4078c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4079c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum Nonce_ObjCInterface { Nonce_ObjCInterface }; 4080c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(enum Nonce_ObjCInterface) 4081561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(ObjCInterface, QualType(), false, false, false, false), 408271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall BaseType(QualType(this_(), 0)) { 4083b870b88df784c2940efce448ebfaf54dece14666John McCall ObjCObjectTypeBits.NumProtocols = 0; 408471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 4085c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 40863536b443bc50d58a79f14fca9b6842541a434854Steve Naroffpublic: 4087e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getBaseType - Gets the base type of this object type. This is 4088e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// always (possibly sugar for) one of: 4089e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'id' builtin type (as opposed to the 'id' type visible to the 4090e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user, which is a typedef for an ObjCPointerType) 4091e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'Class' builtin type (same caveat) 4092e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - an ObjCObjectType (currently always an ObjCInterfaceType) 4093c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType getBaseType() const { return BaseType; } 409471842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek 4095c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCId() const { 4096c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCId); 4097c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4098c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCClass() const { 4099c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCClass); 4100c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4101c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedId() const { return qual_empty() && isObjCId(); } 4102c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedClass() const { return qual_empty() && isObjCClass(); } 4103c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedIdOrClass() const { 4104c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!qual_empty()) return false; 4105c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const BuiltinType *T = getBaseType()->getAs<BuiltinType>()) 4106c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getKind() == BuiltinType::ObjCId || 4107c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getKind() == BuiltinType::ObjCClass; 4108c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return false; 4109c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4110c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedId() const { return !qual_empty() && isObjCId(); } 4111c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedClass() const { return !qual_empty() && isObjCClass(); } 4112c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4113c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Gets the interface declaration for this object type, if the base type 4114c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// really is an interface. 4115c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *getInterface() const; 4116c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4117c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCProtocolDecl * const *qual_iterator; 4118c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4119c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_begin() const { return getProtocolStorage(); } 4120c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { return qual_begin() + getNumProtocols(); } 4121c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4122c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getNumProtocols() == 0; } 41231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4124c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// getNumProtocols - Return the number of qualifying protocols in this 4125c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// interface type, or 0 if there are none. 4126b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getNumProtocols() const { return ObjCObjectTypeBits.NumProtocols; } 412714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4128c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// \brief Fetch a protocol by index. 412973dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 413073dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor assert(I < getNumProtocols() && "Out-of-range protocol access"); 413173dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor return qual_begin()[I]; 413273dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 413373dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 4134bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 4135bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 4136bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 4137c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const Type *T) { 4138c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getTypeClass() == ObjCObject || 4139c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getTypeClass() == ObjCInterface; 4140c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4141c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const ObjCObjectType *) { return true; } 4142c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 4143c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4144c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectTypeImpl - A class providing a concrete implementation 4145c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// of ObjCObjectType, so as to not increase the footprint of 4146c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType. Code outside of ASTContext and the core type 4147c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// system should not reference this type. 4148c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectTypeImpl : public ObjCObjectType, public llvm::FoldingSetNode { 4149c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; 4150c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4151c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If anyone adds fields here, ObjCObjectType::getProtocolStorage() 4152c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // will need to be modified. 4153c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4154c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl(QualType Canonical, QualType Base, 4155c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 4156c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols) 4157c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Canonical, Base, Protocols, NumProtocols) {} 4158c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4159c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 4160c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff void Profile(llvm::FoldingSetNodeID &ID); 41611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, 4162c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Base, 4163c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl *const *protocols, 4164c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols); 4165c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 41661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4167c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCProtocolDecl **ObjCObjectType::getProtocolStorage() { 4168c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return reinterpret_cast<ObjCProtocolDecl**>( 4169c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static_cast<ObjCObjectTypeImpl*>(this) + 1); 4170c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 4171c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4172c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType - Interfaces are the core concept in Objective-C for 4173c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// object oriented design. They basically correspond to C++ classes. There 4174c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// are two kinds of interface types, normal interfaces like "NSString" and 4175c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// qualified interfaces, which are qualified with a protocol list like 4176c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// "NSString<NSCopyable, NSAmazing>". 4177e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 4178e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCInterfaceType guarantees the following properties when considered 4179e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// as a subtype of its superclass, ObjCObjectType: 4180e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - There are no protocol qualifiers. To reinforce this, code which 4181e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// tries to invoke the protocol methods via an ObjCInterfaceType will 4182e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// fail to compile. 4183e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - It is its own base type. That is, if T is an ObjCInterfaceType*, 4184e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// T->getBaseType() == QualType(T, 0). 4185c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCInterfaceType : public ObjCObjectType { 4186c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *Decl; 4187c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4188c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceType(const ObjCInterfaceDecl *D) 4189c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Nonce_ObjCInterface), 4190c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Decl(const_cast<ObjCInterfaceDecl*>(D)) {} 4191c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; // ASTContext creates these. 41921fb0caaa7bef765b85972274e3b434af2572c141John McCall 4193c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 4194e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getDecl - Get the declaration of this interface. 4195deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceDecl *getDecl() const { return Decl; } 4196c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4197c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isSugared() const { return false; } 4198c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType desugar() const { return QualType(this, 0); } 41990b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 42001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 42011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCInterface; 42023536b443bc50d58a79f14fca9b6842541a434854Steve Naroff } 4203a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCInterfaceType *) { return true; } 4204c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4205c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Nonsense to "hide" certain members of ObjCObjectType within this 4206c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // class. People asking for protocols on an ObjCInterfaceType are 4207c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // not going to get what they want: ObjCInterfaceTypes are 4208c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // guaranteed to have no protocols. 4209c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum { 4210c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator, 4211c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_begin, 4212c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_end, 4213c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getNumProtocols, 4214c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getProtocol 4215c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall }; 42163536b443bc50d58a79f14fca9b6842541a434854Steve Naroff}; 42173536b443bc50d58a79f14fca9b6842541a434854Steve Naroff 4218c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCInterfaceDecl *ObjCObjectType::getInterface() const { 4219c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCInterfaceType *T = 4220c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getBaseType()->getAs<ObjCInterfaceType>()) 4221c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getDecl(); 4222c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return 0; 4223c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 4224c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4225e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCObjectPointerType - Used to represent a pointer to an 4226e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Objective C object. These are constructed from pointer 4227e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// declarators when the pointee type is an ObjCObjectType (or sugar 4228e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for one). In addition, the 'id' and 'Class' types are typedefs 4229e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for these, and the protocol-qualified types 'id<P>' and 'Class<P>' 4230e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// are translated into these. 423114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff/// 4232e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Pointers to pointers to Objective C objects are still PointerTypes; 4233e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// only the first level of pointer gets it own type implementation. 423414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffclass ObjCObjectPointerType : public Type, public llvm::FoldingSetNode { 4235e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall QualType PointeeType; 42361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4237c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType(QualType Canonical, QualType Pointee) 4238561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(ObjCObjectPointer, Canonical, false, false, false, false), 4239c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall PointeeType(Pointee) {} 424014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff friend class ASTContext; // ASTContext creates these. 42411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 424214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffpublic: 4243e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getPointeeType - Gets the type pointed to by this ObjC pointer. 4244e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The result will always be an ObjCObjectType or sugar thereof. 424514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const { return PointeeType; } 424614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4247e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getObjCObjectType - Gets the type pointed to by this ObjC 4248e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// pointer. This method always returns non-null. 4249e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 4250e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// This method is equivalent to getPointeeType() except that 4251e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// it discards any typedefs (or other sugar) between this 4252e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type and the "outermost" object type. So for: 4253e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @class A; @protocol P; @protocol Q; 4254e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A<P> AP; 4255e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A A1; 4256e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1<P> A1P; 4257e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1P<Q> A1PQ; 4258e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A*', getObjectType() will return 'A'. 4259e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A<P>*', getObjectType() will return 'A<P>'. 4260e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'AP*', getObjectType() will return 'A<P>'. 4261e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1*', getObjectType() will return 'A'. 4262e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1<P>*', getObjectType() will return 'A1<P>'. 4263e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1P*', getObjectType() will return 'A1<P>'. 4264e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1PQ*', getObjectType() will return 'A1<Q>', because 4265e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// adding protocols to a protocol-qualified base discards the 4266e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// old qualifiers (for now). But if it didn't, getObjectType() 4267e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// would return 'A1P<Q>' (and we'd have to make iterating over 4268e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers more complicated). 4269c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getObjectType() const { 4270d0370f59e79702ac908c81bf556519f91e9ca297John McCall return PointeeType->castAs<ObjCObjectType>(); 4271c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4272c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4273e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceType - If this pointer points to an Objective C 4274e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @interface type, gets the type for that interface. Any protocol 4275e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers on the interface are ignored. 4276e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 4277e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 42781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCInterfaceType *getInterfaceType() const { 4279c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getBaseType()->getAs<ObjCInterfaceType>(); 428014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4281e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4282e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceDecl - If this pointer points to an Objective @interface 4283e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type, gets the declaration for that interface. 4284e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 4285e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 428614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ObjCInterfaceDecl *getInterfaceDecl() const { 4287e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall return getObjectType()->getInterface(); 428814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4289e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4290e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCIdType - True if this is equivalent to the 'id' type, i.e. if 4291e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// its object type is the primitive 'id' type with no protocols. 429214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const { 4293c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedId(); 429414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4295e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4296e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCClassType - True if this is equivalent to the 'Class' type, 4297e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// i.e. if its object tive is the primitive 'Class' type with no protocols. 429814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const { 4299c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedClass(); 4300de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 43018d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian 4302e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedIdType - True if this is equivalent to 'id<P>' for some 4303e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// non-empty set of protocols. 43041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isObjCQualifiedIdType() const { 4305c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedId(); 4306de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 4307e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4308e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedClassType - True if this is equivalent to 'Class<P>' for 4309e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// some non-empty set of protocols. 4310470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const { 4311c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedClass(); 431214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4313e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4314e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// An iterator over the qualifiers on the object type. Provided 4315e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// for convenience. This will always iterate over the full set of 4316e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// protocols on a type, not just those provided directly. 4317c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCObjectType::qual_iterator qual_iterator; 431814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 431971842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek qual_iterator qual_begin() const { 4320c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_begin(); 432171842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 4322c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { 4323c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_end(); 432471842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 4325c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getObjectType()->qual_empty(); } 432614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4327e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getNumProtocols - Return the number of qualifying protocols on 4328e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// the object type. 4329c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned getNumProtocols() const { 4330c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getNumProtocols(); 4331c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 433214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4333e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \brief Retrieve a qualifying protocol by index on the object 4334e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type. 433573dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 4336c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getProtocol(I); 433773dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 433873dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 4339bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 4340bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 4341bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 4342e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall void Profile(llvm::FoldingSetNodeID &ID) { 4343e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall Profile(ID, getPointeeType()); 4344e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall } 4345c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, QualType T) { 4346c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ID.AddPointer(T.getAsOpaquePtr()); 4347c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 43481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 43491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCObjectPointer; 435014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 435114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff static bool classof(const ObjCObjectPointerType *) { return true; } 435214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff}; 43531bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 43540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// A qualifier set is used to build a set of qualifiers. 43550953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualifierCollector : public Qualifiers { 43560953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 435749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualifierCollector(Qualifiers Qs = Qualifiers()) : Qualifiers(Qs) {} 43580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 43590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Collect any qualifiers on the given type and return an 43603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// unqualified type. The qualifiers are assumed to be consistent 43613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// with those already in the type. 43623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *strip(QualType type) { 43633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall addFastQualifiers(type.getLocalFastQualifiers()); 43643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!type.hasLocalNonFastQualifiers()) 43653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return type.getTypePtrUnsafe(); 43663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 43673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ExtQuals *extQuals = type.getExtQualsUnsafe(); 43683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall addConsistentQualifiers(extQuals->getQualifiers()); 43693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return extQuals->getBaseType(); 43700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 43710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 43720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 43734ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType apply(const ASTContext &Context, QualType QT) const; 43740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 43750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 43764ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType apply(const ASTContext &Context, const Type* T) const; 43770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 43780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 43790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4380611c1fff195d32df97706e0920c92468b2509900Chris Lattner// Inline function definitions. 43815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 43823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline const Type *QualType::getTypePtr() const { 43833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getCommonPtr()->BaseType; 43843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 43853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 43863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline const Type *QualType::getTypePtrOrNull() const { 43873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return (isNull() ? 0 : getCommonPtr()->BaseType); 43883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 43893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 43903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline SplitQualType QualType::split() const { 43913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!hasLocalNonFastQualifiers()) 43923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return SplitQualType(getTypePtrUnsafe(), 43933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers::fromFastMask(getLocalFastQualifiers())); 43943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 43953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ExtQuals *eq = getExtQualsUnsafe(); 43963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs = eq->getQualifiers(); 43973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall qs.addFastQualifiers(getLocalFastQualifiers()); 43983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return SplitQualType(eq->getBaseType(), qs); 43993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 44003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 44013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline Qualifiers QualType::getLocalQualifiers() const { 44023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers Quals; 44033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (hasLocalNonFastQualifiers()) 44043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals = getExtQualsUnsafe()->getQualifiers(); 44053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals.addFastQualifiers(getLocalFastQualifiers()); 44063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return Quals; 44073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 44083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 44093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline Qualifiers QualType::getQualifiers() const { 44103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers quals = getCommonPtr()->CanonicalType.getLocalQualifiers(); 44113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall quals.addFastQualifiers(getLocalFastQualifiers()); 44123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return quals; 44133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 44143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 44153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline unsigned QualType::getCVRQualifiers() const { 44163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned cvr = getCommonPtr()->CanonicalType.getLocalCVRQualifiers(); 44173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall cvr |= getLocalCVRQualifiers(); 44183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return cvr; 44193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 44203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 44213b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline QualType QualType::getCanonicalType() const { 44223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon = getCommonPtr()->CanonicalType; 44233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return canon.withFastQualifiers(getLocalFastQualifiers()); 44243b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 44253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 4426467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCallinline bool QualType::isCanonical() const { 44273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getTypePtr()->isCanonicalUnqualified(); 4428467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall} 4429467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 443054e14c4db764c0636160d26c5bbf491637c83a76John McCallinline bool QualType::isCanonicalAsParam() const { 44313b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!isCanonical()) return false; 4432a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalQualifiers()) return false; 4433745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 443454e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *T = getTypePtr(); 44353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (T->isVariablyModifiedType() && T->hasSizedVLAType()) 44363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return false; 44373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 44383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return !isa<FunctionType>(T) && !isa<ArrayType>(T); 443954e14c4db764c0636160d26c5bbf491637c83a76John McCall} 444054e14c4db764c0636160d26c5bbf491637c83a76John McCall 4441fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isConstQualified() const { 4442fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalConstQualified() || 44433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.isLocalConstQualified(); 4444fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4445fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4446fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isRestrictQualified() const { 4447fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalRestrictQualified() || 44483b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.isLocalRestrictQualified(); 4449fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4450fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4451fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4452fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isVolatileQualified() const { 4453fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalVolatileQualified() || 44543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.isLocalVolatileQualified(); 4455fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4456fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4457fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::hasQualifiers() const { 4458fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return hasLocalQualifiers() || 44593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.hasLocalQualifiers(); 4460fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 446162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 446262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline QualType QualType::getUnqualifiedType() const { 446362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall if (!getTypePtr()->getCanonicalTypeInternal().hasLocalQualifiers()) 446462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(getTypePtr(), 0); 446562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 446662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(getSplitUnqualifiedTypeImpl(*this).first, 0); 446762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall} 446862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 446962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline SplitQualType QualType::getSplitUnqualifiedType() const { 447062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall if (!getTypePtr()->getCanonicalTypeInternal().hasLocalQualifiers()) 447162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return split(); 447262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 447362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getSplitUnqualifiedTypeImpl(*this); 4474fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4475fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 447649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalConst() { 447749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Const); 44780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 44790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 448049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalRestrict() { 448149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Restrict); 44820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 44830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 448449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalVolatile() { 448549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Volatile); 44860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 44870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 448849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalCVRQualifiers(unsigned Mask) { 44896b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall assert(!(Mask & ~Qualifiers::CVRMask) && "mask has non-CVR bits"); 4490c3c0af36bac3d71f61dd758585ab307892545de4Douglas Gregor assert((int)Qualifiers::CVRMask == (int)Qualifiers::FastMask); 44910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 44920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast path: we don't need to touch the slow qualifiers. 449349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Mask); 4494ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 4495ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 4496ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb/// getAddressSpace - Return the address space of this type. 4497ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lambinline unsigned QualType::getAddressSpace() const { 44983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getQualifiers().getAddressSpace(); 4499ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 4500611c1fff195d32df97706e0920c92468b2509900Chris Lattner 4501d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian/// getObjCGCAttr - Return the gc attribute of this type. 45020953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline Qualifiers::GC QualType::getObjCGCAttr() const { 45033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getQualifiers().getObjCGCAttr(); 4504d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 45052455636163fdd18581d7fdae816433f886d88213Mike Stump 4506264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(const Type &t) { 4507264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola if (const PointerType *PT = t.getAs<PointerType>()) { 4508183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const FunctionType *FT = PT->getPointeeType()->getAs<FunctionType>()) 4509264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 4510264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } else if (const FunctionType *FT = t.getAs<FunctionType>()) 4511264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 45122455636163fdd18581d7fdae816433f886d88213Mike Stump 4513264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FunctionType::ExtInfo(); 45142455636163fdd18581d7fdae816433f886d88213Mike Stump} 45151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4516264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(QualType t) { 4517264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getFunctionExtInfo(*t); 4518ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 4519ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 4520e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isMoreQualifiedThan - Determine whether this type is more 4521e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// qualified than the Other type. For example, "const volatile int" 4522e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// is more qualified than "const int", "volatile int", and 4523e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int". However, it is not more qualified than "const volatile 4524e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int". 452562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline bool QualType::isMoreQualifiedThan(QualType other) const { 452662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Qualifiers myQuals = getQualifiers(); 452762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Qualifiers otherQuals = other.getQualifiers(); 452862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return (myQuals != otherQuals && myQuals.compatiblyIncludes(otherQuals)); 4529e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 4530e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 4531e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isAtLeastAsQualifiedAs - Determine whether this type is at last 4532e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// as qualified as the Other type. For example, "const volatile 4533e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int" is at least as qualified as "const int", "volatile int", 4534e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int", and "const volatile int". 453562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline bool QualType::isAtLeastAsQualifiedAs(QualType other) const { 453662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getQualifiers().compatiblyIncludes(other.getQualifiers()); 4537e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 4538e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 4539e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// getNonReferenceType - If Type is a reference type (e.g., const 4540e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int&), returns the type that the reference refers to ("const 4541e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int"). Otherwise, returns the type itself. This routine is used 4542e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// throughout Sema to implement C++ 5p6: 4543e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 4544e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// If an expression initially has the type "reference to T" (8.3.2, 4545e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 8.5.3), the type is adjusted to "T" prior to any further 4546e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// analysis, the expression designates the object or function 4547e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// denoted by the reference, and the expression is an lvalue. 4548e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline QualType QualType::getNonReferenceType() const { 45496217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType *RefType = (*this)->getAs<ReferenceType>()) 4550e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return RefType->getPointeeType(); 4551e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor else 4552e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return *this; 4553e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 4554e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 45552b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregorinline bool QualType::isCForbiddenLValueType() const { 45562b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor return ((getTypePtr()->isVoidType() && !hasQualifiers()) || 45572b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor getTypePtr()->isFunctionType()); 45582b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor} 45592b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor 4560aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// \brief Tests whether the type is categorized as a fundamental type. 4561aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// 4562aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// \returns True for types specified in C++0x [basic.fundamental]. 4563aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruthinline bool Type::isFundamentalType() const { 4564aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth return isVoidType() || 4565aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // FIXME: It's really annoying that we don't have an 4566aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // 'isArithmeticType()' which agrees with the standard definition. 4567aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth (isArithmeticType() && !isEnumeralType()); 4568aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth} 4569aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth 4570aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// \brief Tests whether the type is categorized as a compound type. 4571aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// 4572aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// \returns True for types specified in C++0x [basic.compound]. 4573aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruthinline bool Type::isCompoundType() const { 4574aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // C++0x [basic.compound]p1: 4575aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // Compound types can be constructed in the following ways: 4576aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- arrays of objects of a given type [...]; 4577aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth return isArrayType() || 4578aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- functions, which have parameters of given types [...]; 4579aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isFunctionType() || 4580aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- pointers to void or objects or functions [...]; 4581aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isPointerType() || 4582aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- references to objects or functions of a given type. [...] 4583aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isReferenceType() || 4584aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- classes containing a sequence of objects of various types, [...]; 4585aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isRecordType() || 4586aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- unions, which ar classes capable of containing objects of different types at different times; 4587aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isUnionType() || 4588aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- enumerations, which comprise a set of named constant values. [...]; 4589aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isEnumeralType() || 4590aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- pointers to non-static class members, [...]. 4591aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isMemberPointerType(); 4592aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth} 4593aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth 4594611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isFunctionType() const { 4595a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<FunctionType>(CanonicalType); 4596611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4597611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isPointerType() const { 4598a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<PointerType>(CanonicalType); 4599611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 460058f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroffinline bool Type::isAnyPointerType() const { 460158f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff return isPointerType() || isObjCObjectPointerType(); 460258f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff} 46035618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffinline bool Type::isBlockPointerType() const { 4604a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<BlockPointerType>(CanonicalType); 46055618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 4606bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattnerinline bool Type::isReferenceType() const { 4607a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ReferenceType>(CanonicalType); 4608bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner} 46097c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isLValueReferenceType() const { 4610a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<LValueReferenceType>(CanonicalType); 46117c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 46127c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isRValueReferenceType() const { 4613a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RValueReferenceType>(CanonicalType); 46147c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 4615498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenekinline bool Type::isFunctionPointerType() const { 4616d0370f59e79702ac908c81bf556519f91e9ca297John McCall if (const PointerType *T = getAs<PointerType>()) 4617498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return T->getPointeeType()->isFunctionType(); 4618498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek else 4619498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return false; 4620498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek} 4621f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberPointerType() const { 4622a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<MemberPointerType>(CanonicalType); 4623f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 4624f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberFunctionPointerType() const { 46256217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const MemberPointerType* T = getAs<MemberPointerType>()) 46260bab0cdab751248ca389a5592bcb70eac5d39260John McCall return T->isMemberFunctionPointer(); 4627f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl else 4628f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return false; 4629f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 4630db68e28c05a67735211e688009890cf834c22e75Douglas Gregorinline bool Type::isMemberDataPointerType() const { 4631db68e28c05a67735211e688009890cf834c22e75Douglas Gregor if (const MemberPointerType* T = getAs<MemberPointerType>()) 46320bab0cdab751248ca389a5592bcb70eac5d39260John McCall return T->isMemberDataPointer(); 4633db68e28c05a67735211e688009890cf834c22e75Douglas Gregor else 4634db68e28c05a67735211e688009890cf834c22e75Douglas Gregor return false; 4635db68e28c05a67735211e688009890cf834c22e75Douglas Gregor} 4636611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isArrayType() const { 4637a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ArrayType>(CanonicalType); 4638611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4639c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isConstantArrayType() const { 4640a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ConstantArrayType>(CanonicalType); 4641c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 4642c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isIncompleteArrayType() const { 4643a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<IncompleteArrayType>(CanonicalType); 4644c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 4645c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isVariableArrayType() const { 4646a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VariableArrayType>(CanonicalType); 4647c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 4648898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorinline bool Type::isDependentSizedArrayType() const { 4649a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<DependentSizedArrayType>(CanonicalType); 4650898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 46513ff83dd534ccc828203670ce3f5125a4eb4199f8John McCallinline bool Type::isBuiltinType() const { 46523ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall return isa<BuiltinType>(CanonicalType); 46533ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall} 4654611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isRecordType() const { 4655a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RecordType>(CanonicalType); 4656611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 46573ff83dd534ccc828203670ce3f5125a4eb4199f8John McCallinline bool Type::isEnumeralType() const { 46583ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall return isa<EnumType>(CanonicalType); 46593ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall} 4660f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattnerinline bool Type::isAnyComplexType() const { 4661a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ComplexType>(CanonicalType); 4662f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner} 4663611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isVectorType() const { 4664a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VectorType>(CanonicalType); 4665611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4666213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemaninline bool Type::isExtVectorType() const { 4667a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ExtVectorType>(CanonicalType); 4668611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4669d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroffinline bool Type::isObjCObjectPointerType() const { 4670a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ObjCObjectPointerType>(CanonicalType); 4671d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 4672c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline bool Type::isObjCObjectType() const { 4673c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isa<ObjCObjectType>(CanonicalType); 4674368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner} 4675569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorinline bool Type::isObjCObjectOrInterfaceType() const { 4676569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return isa<ObjCInterfaceType>(CanonicalType) || 4677569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor isa<ObjCObjectType>(CanonicalType); 4678569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 4679569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 4680a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekinline bool Type::isObjCQualifiedIdType() const { 4681183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 4682d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return OPT->isObjCQualifiedIdType(); 4683d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return false; 4684d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian} 4685470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroffinline bool Type::isObjCQualifiedClassType() const { 4686183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 4687470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return OPT->isObjCQualifiedClassType(); 4688470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return false; 4689470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff} 469014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCIdType() const { 4691183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 469214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCIdType(); 469314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 469414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 469514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCClassType() const { 4696183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 469714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCClassType(); 469814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 469914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 470013dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanianinline bool Type::isObjCSelType() const { 47018d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (const PointerType *OPT = getAs<PointerType>()) 47028d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return OPT->getPointeeType()->isSpecificBuiltinType(BuiltinType::ObjCSel); 470313dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return false; 470413dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian} 4705de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroffinline bool Type::isObjCBuiltinType() const { 470613dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return isObjCIdType() || isObjCClassType() || isObjCSelType(); 4707de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff} 470872c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregorinline bool Type::isTemplateTypeParmType() const { 4709a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<TemplateTypeParmType>(CanonicalType); 471072c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor} 471172c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 4712e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbarinline bool Type::isSpecificBuiltinType(unsigned K) const { 4713183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = getAs<BuiltinType>()) 4714e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar if (BT->getKind() == (BuiltinType::Kind) K) 4715e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return true; 4716e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return false; 4717e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar} 4718e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 47192a984cad5ac3fdceeff2bd99daa7b90979313475John McCallinline bool Type::isPlaceholderType() const { 47202a984cad5ac3fdceeff2bd99daa7b90979313475John McCall if (const BuiltinType *BT = getAs<BuiltinType>()) 47212a984cad5ac3fdceeff2bd99daa7b90979313475John McCall return BT->isPlaceholderType(); 47222a984cad5ac3fdceeff2bd99daa7b90979313475John McCall return false; 47232a984cad5ac3fdceeff2bd99daa7b90979313475John McCall} 47242a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 4725864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCallinline bool Type::isSpecificPlaceholderType(unsigned K) const { 4726864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall if (const BuiltinType *BT = dyn_cast<BuiltinType>(this)) 4727864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall return (BT->getKind() == (BuiltinType::Kind) K); 4728864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall return false; 4729864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall} 4730864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 4731063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// \brief Determines whether this is a type for which one can define 4732063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// an overloaded operator. 4733063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregorinline bool Type::isOverloadableType() const { 4734063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor return isDependentType() || isRecordType() || isEnumeralType(); 4735904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor} 4736904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor 4737bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth/// \brief Determines whether this type can decay to a pointer type. 4738bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruthinline bool Type::canDecayToPointerType() const { 4739bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth return isFunctionType() || isArrayType(); 4740bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth} 4741bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth 47428958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbarinline bool Type::hasPointerRepresentation() const { 47438958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar return (isPointerType() || isReferenceType() || isBlockPointerType() || 4744c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall isObjCObjectPointerType() || isNullPtrType()); 47458958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar} 47468958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 4747820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanianinline bool Type::hasObjCPointerRepresentation() const { 4748c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isObjCObjectPointerType(); 4749820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian} 4750820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 4751d0370f59e79702ac908c81bf556519f91e9ca297John McCallinline const Type *Type::getBaseElementTypeUnsafe() const { 4752d0370f59e79702ac908c81bf556519f91e9ca297John McCall const Type *type = this; 4753d0370f59e79702ac908c81bf556519f91e9ca297John McCall while (const ArrayType *arrayType = type->getAsArrayTypeUnsafe()) 4754d0370f59e79702ac908c81bf556519f91e9ca297John McCall type = arrayType->getElementType().getTypePtr(); 4755d0370f59e79702ac908c81bf556519f91e9ca297John McCall return type; 4756d0370f59e79702ac908c81bf556519f91e9ca297John McCall} 4757d0370f59e79702ac908c81bf556519f91e9ca297John McCall 475822caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// Insertion operator for diagnostics. This allows sending QualType's into a 475922caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// diagnostic with <<. 476022caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 476122caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner QualType T) { 476222caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner DB.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 476322caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner Diagnostic::ak_qualtype); 476422caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner return DB; 476522caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner} 47661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 476747c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// Insertion operator for partial diagnostics. This allows sending QualType's 476847c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// into a diagnostic with <<. 476947c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruthinline const PartialDiagnostic &operator<<(const PartialDiagnostic &PD, 477047c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth QualType T) { 477147c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth PD.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 477247c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth Diagnostic::ak_qualtype); 477347c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth return PD; 477447c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth} 477547c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth 477689c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// Helper class template that is used by Type::getAs to ensure that one does 477789c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// not try to look through a qualified type to get to an array type. 477889c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T, 477989c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor bool isArrayType = (llvm::is_same<T, ArrayType>::value || 478089c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor llvm::is_base_of<ArrayType, T>::value)> 478189c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs { }; 478289c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 478389c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T> 478489c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs<T, true>; 478589c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 47861a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek/// Member-template getAs<specific type>'. 47871a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenektemplate <typename T> const T *Type::getAs() const { 478889c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor ArrayType_cannot_be_used_with_getAs<T> at; 478989c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor (void)at; 479089c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 47911a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If this is directly a T type, return it. 47921a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek if (const T *Ty = dyn_cast<T>(this)) 47931a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return Ty; 47941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47951a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If the canonical form of this type isn't the right kind, reject it. 47960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<T>(CanonicalType)) 47971a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return 0; 47981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this is a typedef for the type, strip the typedef off without 48001a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // losing all typedef information. 4801bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return cast<T>(getUnqualifiedDesugaredType()); 48021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump} 480322caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner 48043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline const ArrayType *Type::getAsArrayTypeUnsafe() const { 48053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If this is directly an array type, return it. 48063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (const ArrayType *arr = dyn_cast<ArrayType>(this)) 48073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return arr; 48083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 48093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the canonical form of this type isn't the right kind, reject it. 48103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!isa<ArrayType>(CanonicalType)) 48113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return 0; 48123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 48133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If this is a typedef for the type, strip the typedef off without 48143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // losing all typedef information. 48153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return cast<ArrayType>(getUnqualifiedDesugaredType()); 48163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 48173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 4818d0370f59e79702ac908c81bf556519f91e9ca297John McCalltemplate <typename T> const T *Type::castAs() const { 4819d0370f59e79702ac908c81bf556519f91e9ca297John McCall ArrayType_cannot_be_used_with_getAs<T> at; 4820d0370f59e79702ac908c81bf556519f91e9ca297John McCall (void) at; 4821d0370f59e79702ac908c81bf556519f91e9ca297John McCall 4822d0370f59e79702ac908c81bf556519f91e9ca297John McCall assert(isa<T>(CanonicalType)); 4823d0370f59e79702ac908c81bf556519f91e9ca297John McCall if (const T *ty = dyn_cast<T>(this)) return ty; 4824d0370f59e79702ac908c81bf556519f91e9ca297John McCall return cast<T>(getUnqualifiedDesugaredType()); 4825d0370f59e79702ac908c81bf556519f91e9ca297John McCall} 4826d0370f59e79702ac908c81bf556519f91e9ca297John McCall 4827d0370f59e79702ac908c81bf556519f91e9ca297John McCallinline const ArrayType *Type::castAsArrayTypeUnsafe() const { 4828d0370f59e79702ac908c81bf556519f91e9ca297John McCall assert(isa<ArrayType>(CanonicalType)); 4829d0370f59e79702ac908c81bf556519f91e9ca297John McCall if (const ArrayType *arr = dyn_cast<ArrayType>(this)) return arr; 4830d0370f59e79702ac908c81bf556519f91e9ca297John McCall return cast<ArrayType>(getUnqualifiedDesugaredType()); 4831d0370f59e79702ac908c81bf556519f91e9ca297John McCall} 4832d0370f59e79702ac908c81bf556519f91e9ca297John McCall 48335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 48345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 48355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 4836