Type.h revision 561f81243f665cf2001caadc45df505f826b72d6
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" 255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/Support/Casting.h" 2650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor#include "llvm/Support/type_traits.h" 27fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff#include "llvm/ADT/APSInt.h" 285cf243a883872441d73ca49cea7e20de5802629bChris Lattner#include "llvm/ADT/FoldingSet.h" 29cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor#include "llvm/ADT/Optional.h" 305cf243a883872441d73ca49cea7e20de5802629bChris Lattner#include "llvm/ADT/PointerIntPair.h" 311734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor#include "llvm/ADT/PointerUnion.h" 327532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::isa; 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::cast; 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::cast_or_null; 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::dyn_cast; 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::dyn_cast_or_null; 386b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCallnamespace clang { 396b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { 40f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor TypeAlignmentInBits = 4, 416b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment = 1 << TypeAlignmentInBits 426b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall }; 43aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class Type; 44aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class ExtQuals; 45aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class QualType; 466b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall} 475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 484e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnernamespace llvm { 494e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner template <typename T> 50daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattner class PointerLikeTypeTraits; 51bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner template<> 52bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner class PointerLikeTypeTraits< ::clang::Type*> { 53bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner public: 54bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner static inline void *getAsVoidPointer(::clang::Type *P) { return P; } 55bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner static inline ::clang::Type *getFromVoidPointer(void *P) { 56bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner return static_cast< ::clang::Type*>(P); 57bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner } 586b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { NumLowBitsAvailable = clang::TypeAlignmentInBits }; 59bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner }; 600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall template<> 610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall class PointerLikeTypeTraits< ::clang::ExtQuals*> { 620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall public: 630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static inline void *getAsVoidPointer(::clang::ExtQuals *P) { return P; } 640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static inline ::clang::ExtQuals *getFromVoidPointer(void *P) { 650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return static_cast< ::clang::ExtQuals*>(P); 660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 676b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { NumLowBitsAvailable = clang::TypeAlignmentInBits }; 680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall }; 69aed1df80bf64228e1429c1edc408397f9174847cChris Lattner 70aed1df80bf64228e1429c1edc408397f9174847cChris Lattner template <> 71aed1df80bf64228e1429c1edc408397f9174847cChris Lattner struct isPodLike<clang::QualType> { static const bool value = true; }; 724e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner} 734e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner 745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class ASTContext; 76162e1c1b487352434552147967c3dd296ebee2f7Richard Smith class TypedefNameDecl; 7755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor class TemplateDecl; 7872c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor class TemplateTypeParmDecl; 79aaba5e346dffdbad5d1c42765a89e4a7afb0da67Douglas Gregor class NonTypeTemplateParmDecl; 807532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor class TemplateTemplateParmDecl; 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TagDecl; 825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class RecordDecl; 8349aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis class CXXRecordDecl; 845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class EnumDecl; 8521d50e12c3c412d8457071dc419363b7a7e8b855Ted Kremenek class FieldDecl; 86a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCInterfaceDecl; 87a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCProtocolDecl; 88a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCMethodDecl; 89ed97649e9574b9d854fa4d6109c9333ae0993554John McCall class UnresolvedUsingTypenameDecl; 905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 91b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek class Stmt; 925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class SourceLocation; 9392866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek class StmtIteratorBase; 9440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor class TemplateArgument; 95833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall class TemplateArgumentLoc; 96d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall class TemplateArgumentListInfo; 97465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara class ElaboratedType; 983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall class ExtQuals; 993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall class ExtQualsTypeCommonBase; 1003b4ea54acf01f72f6eb74d96689dda86d950228fDaniel Dunbar struct PrintingPolicy; 10172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 102ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall template <typename> class CanQual; 103ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall typedef CanQual<Type> CanQualType; 104ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall 10572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // Provide forward declarations for all of the *Type classes 10672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) class Class##Type; 10772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 108f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// Qualifiers - The collection of all-type qualifiers we support. 1100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// Clang supports five independent qualifiers: 1110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * C99: const, volatile, and restrict 1120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * Embedded C (TR18037): address spaces 1130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * Objective C: the GC attributes (none, weak, or strong) 1140953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass Qualifiers { 1155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum TQ { // NOTE: These flags must be kept in sync with DeclSpec::TQ. 1175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Const = 0x1, 1185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Restrict = 0x2, 1195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Volatile = 0x4, 1200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CVRMask = Const | Volatile | Restrict 1215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 1221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum GC { 124d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian GCNone = 0, 125d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian Weak, 126d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian Strong 127d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian }; 128efadb7768e7c7418185f5a4010ecd8b21ca9731bJohn McCall 129f85e193739c953358c865005855253af4f68a497John McCall enum ObjCLifetime { 130f85e193739c953358c865005855253af4f68a497John McCall /// There is no lifetime qualification on this type. 131f85e193739c953358c865005855253af4f68a497John McCall OCL_None, 132f85e193739c953358c865005855253af4f68a497John McCall 133f85e193739c953358c865005855253af4f68a497John McCall /// This object can be modified without requiring retains or 134f85e193739c953358c865005855253af4f68a497John McCall /// releases. 135f85e193739c953358c865005855253af4f68a497John McCall OCL_ExplicitNone, 136f85e193739c953358c865005855253af4f68a497John McCall 137f85e193739c953358c865005855253af4f68a497John McCall /// Assigning into this object requires the old value to be 138f85e193739c953358c865005855253af4f68a497John McCall /// released and the new value to be retained. The timing of the 139f85e193739c953358c865005855253af4f68a497John McCall /// release of the old value is inexact: it may be moved to 140f85e193739c953358c865005855253af4f68a497John McCall /// immediately after the last known point where the value is 141f85e193739c953358c865005855253af4f68a497John McCall /// live. 142f85e193739c953358c865005855253af4f68a497John McCall OCL_Strong, 143f85e193739c953358c865005855253af4f68a497John McCall 144f85e193739c953358c865005855253af4f68a497John McCall /// Reading or writing from this object requires a barrier call. 145f85e193739c953358c865005855253af4f68a497John McCall OCL_Weak, 146f85e193739c953358c865005855253af4f68a497John McCall 147f85e193739c953358c865005855253af4f68a497John McCall /// Assigning into this object requires a lifetime extension. 148f85e193739c953358c865005855253af4f68a497John McCall OCL_Autoreleasing 149f85e193739c953358c865005855253af4f68a497John McCall }; 150f85e193739c953358c865005855253af4f68a497John McCall 1510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum { 1520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The maximum supported address space number. 1530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 24 bits should be enough for anyone. 1540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall MaxAddressSpace = 0xffffffu, 1550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The width of the "fast" qualifier mask. 157f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor FastWidth = 3, 1580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The fast qualifier mask. 1600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FastMask = (1 << FastWidth) - 1 1610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall }; 1620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers() : Mask(0) {} 1640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromFastMask(unsigned Mask) { 1660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.addFastQualifiers(Mask); 1680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromCVRMask(unsigned CVR) { 1720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.addCVRQualifiers(CVR); 1740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Deserialize qualifiers from an opaque representation. 1780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromOpaqueValue(unsigned opaque) { 1790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.Mask = opaque; 1810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Serialize these qualifiers into an opaque representation. 1850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAsOpaqueValue() const { 1860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Mask; 1870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasConst() const { return Mask & Const; } 1900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setConst(bool flag) { 1910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Const) | (flag ? Const : 0); 1920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeConst() { Mask &= ~Const; } 1940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { Mask |= Const; } 1950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasVolatile() const { return Mask & Volatile; } 1970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setVolatile(bool flag) { 1980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Volatile) | (flag ? Volatile : 0); 1990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeVolatile() { Mask &= ~Volatile; } 2010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addVolatile() { Mask |= Volatile; } 2020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasRestrict() const { return Mask & Restrict; } 2040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setRestrict(bool flag) { 2050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Restrict) | (flag ? Restrict : 0); 2060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeRestrict() { Mask &= ~Restrict; } 2080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addRestrict() { Mask |= Restrict; } 2090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasCVRQualifiers() const { return getCVRQualifiers(); } 2110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getCVRQualifiers() const { return Mask & CVRMask; } 2120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setCVRQualifiers(unsigned mask) { 2130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 2140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~CVRMask) | mask; 2150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers(unsigned mask) { 2170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 2180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask &= ~mask; 2190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers() { 2210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeCVRQualifiers(CVRMask); 2220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addCVRQualifiers(unsigned mask) { 2240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 2250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= mask; 2260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasObjCGCAttr() const { return Mask & GCAttrMask; } 2290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GC getObjCGCAttr() const { return GC((Mask & GCAttrMask) >> GCAttrShift); } 2300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setObjCGCAttr(GC type) { 2310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~GCAttrMask) | (type << GCAttrShift); 2320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeObjCGCAttr() { setObjCGCAttr(GCNone); } 2340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addObjCGCAttr(GC type) { 2350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(type); 2360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall setObjCGCAttr(type); 2370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2382234873111009eb8655d63362cedc422eb9fc517John McCall Qualifiers withoutObjCGCAttr() const { 2392234873111009eb8655d63362cedc422eb9fc517John McCall Qualifiers qs = *this; 2402234873111009eb8655d63362cedc422eb9fc517John McCall qs.removeObjCGCAttr(); 2412234873111009eb8655d63362cedc422eb9fc517John McCall return qs; 2422234873111009eb8655d63362cedc422eb9fc517John McCall } 243f85e193739c953358c865005855253af4f68a497John McCall Qualifiers withoutObjCGLifetime() const { 244f85e193739c953358c865005855253af4f68a497John McCall Qualifiers qs = *this; 245f85e193739c953358c865005855253af4f68a497John McCall qs.removeObjCLifetime(); 246f85e193739c953358c865005855253af4f68a497John McCall return qs; 247f85e193739c953358c865005855253af4f68a497John McCall } 2480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 249f85e193739c953358c865005855253af4f68a497John McCall bool hasObjCLifetime() const { return Mask & LifetimeMask; } 250f85e193739c953358c865005855253af4f68a497John McCall ObjCLifetime getObjCLifetime() const { 251f85e193739c953358c865005855253af4f68a497John McCall return ObjCLifetime((Mask & LifetimeMask) >> LifetimeShift); 252f85e193739c953358c865005855253af4f68a497John McCall } 253f85e193739c953358c865005855253af4f68a497John McCall void setObjCLifetime(ObjCLifetime type) { 254f85e193739c953358c865005855253af4f68a497John McCall Mask = (Mask & ~LifetimeMask) | (type << LifetimeShift); 255f85e193739c953358c865005855253af4f68a497John McCall } 256f85e193739c953358c865005855253af4f68a497John McCall void removeObjCLifetime() { setObjCLifetime(OCL_None); } 257f85e193739c953358c865005855253af4f68a497John McCall void addObjCLifetime(ObjCLifetime type) { 258f85e193739c953358c865005855253af4f68a497John McCall assert(type); 259f85e193739c953358c865005855253af4f68a497John McCall setObjCLifetime(type); 260f85e193739c953358c865005855253af4f68a497John McCall } 261f85e193739c953358c865005855253af4f68a497John McCall 262f85e193739c953358c865005855253af4f68a497John McCall /// True if the lifetime is neither None or ExplicitNone. 263f85e193739c953358c865005855253af4f68a497John McCall bool hasNonTrivialObjCLifetime() const { 264f85e193739c953358c865005855253af4f68a497John McCall ObjCLifetime lifetime = getObjCLifetime(); 265f85e193739c953358c865005855253af4f68a497John McCall return (lifetime > OCL_ExplicitNone); 266f85e193739c953358c865005855253af4f68a497John McCall } 267f85e193739c953358c865005855253af4f68a497John McCall 268f85e193739c953358c865005855253af4f68a497John McCall /// True if the lifetime is either strong or weak. 269f85e193739c953358c865005855253af4f68a497John McCall bool hasStrongOrWeakObjCLifetime() const { 270f85e193739c953358c865005855253af4f68a497John McCall ObjCLifetime lifetime = getObjCLifetime(); 271f85e193739c953358c865005855253af4f68a497John McCall return (lifetime == OCL_Strong || lifetime == OCL_Weak); 272f85e193739c953358c865005855253af4f68a497John McCall } 273f85e193739c953358c865005855253af4f68a497John McCall 2740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasAddressSpace() const { return Mask & AddressSpaceMask; } 2750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAddressSpace() const { return Mask >> AddressSpaceShift; } 2760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setAddressSpace(unsigned space) { 2770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(space <= MaxAddressSpace); 2780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~AddressSpaceMask) 2790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall | (((uint32_t) space) << AddressSpaceShift); 2800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeAddressSpace() { setAddressSpace(0); } 2820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addAddressSpace(unsigned space) { 2830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(space); 2840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall setAddressSpace(space); 2850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast qualifiers are those that can be allocated directly 2880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // on a QualType object. 2890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasFastQualifiers() const { return getFastQualifiers(); } 2900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getFastQualifiers() const { return Mask & FastMask; } 2910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setFastQualifiers(unsigned mask) { 2920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~FastMask) | mask; 2940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers(unsigned mask) { 2960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask &= ~mask; 2980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers() { 3000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(FastMask); 3010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned mask) { 3030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 3040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= mask; 3050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// hasNonFastQualifiers - Return true if the set contains any 3080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers which require an ExtQuals node to be allocated. 3090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasNonFastQualifiers() const { return Mask & ~FastMask; } 3100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getNonFastQualifiers() const { 3110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals = *this; 3120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.setFastQualifiers(0); 3130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Quals; 3140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// hasQualifiers - Return true if the set contains any qualifiers. 3170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasQualifiers() const { return Mask; } 3180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool empty() const { return !Mask; } 3190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// \brief Add the qualifiers from the given set to this set. 3210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addQualifiers(Qualifiers Q) { 3220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the other set doesn't have any non-boolean qualifiers, just 3230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // bit-or it in. 3240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!(Q.Mask & ~CVRMask)) 3250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= Q.Mask; 3260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall else { 3270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= (Q.Mask & CVRMask); 3280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Q.hasAddressSpace()) 3290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addAddressSpace(Q.getAddressSpace()); 3300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Q.hasObjCGCAttr()) 3310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addObjCGCAttr(Q.getObjCGCAttr()); 332f85e193739c953358c865005855253af4f68a497John McCall if (Q.hasObjCLifetime()) 333f85e193739c953358c865005855253af4f68a497John McCall addObjCLifetime(Q.getObjCLifetime()); 3340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \brief Add the qualifiers from the given set to this set, given that 33862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// they don't conflict. 33962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall void addConsistentQualifiers(Qualifiers qs) { 34062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall assert(getAddressSpace() == qs.getAddressSpace() || 34162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall !hasAddressSpace() || !qs.hasAddressSpace()); 34262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall assert(getObjCGCAttr() == qs.getObjCGCAttr() || 34362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall !hasObjCGCAttr() || !qs.hasObjCGCAttr()); 344f85e193739c953358c865005855253af4f68a497John McCall assert(getObjCLifetime() == qs.getObjCLifetime() || 345f85e193739c953358c865005855253af4f68a497John McCall !hasObjCLifetime() || !qs.hasObjCLifetime()); 34662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Mask |= qs.Mask; 34762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall } 34862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 34962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \brief Determines if these qualifiers compatibly include another set. 35062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// Generally this answers the question of whether an object with the other 35162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// qualifiers can be safely used as an object with these qualifiers. 35262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall bool compatiblyIncludes(Qualifiers other) const { 353377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor return 354377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor // Address spaces must match exactly. 355377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor getAddressSpace() == other.getAddressSpace() && 356377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor // ObjC GC qualifiers can match, be added, or be removed, but can't be 357377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor // changed. 358377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor (getObjCGCAttr() == other.getObjCGCAttr() || 359377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor !hasObjCGCAttr() || !other.hasObjCGCAttr()) && 360f85e193739c953358c865005855253af4f68a497John McCall // ObjC lifetime qualifiers must match exactly. 361f85e193739c953358c865005855253af4f68a497John McCall getObjCLifetime() == other.getObjCLifetime() && 362377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor // CVR qualifiers may subset. 363377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor (((Mask & CVRMask) | (other.Mask & CVRMask)) == (Mask & CVRMask)); 36462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall } 36562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 366f85e193739c953358c865005855253af4f68a497John McCall /// \brief Determines if these qualifiers compatibly include another set of 367f85e193739c953358c865005855253af4f68a497John McCall /// qualifiers from the narrow perspective of Objective-C ARC lifetime. 368f85e193739c953358c865005855253af4f68a497John McCall /// 369f85e193739c953358c865005855253af4f68a497John McCall /// One set of Objective-C lifetime qualifiers compatibly includes the other 370f85e193739c953358c865005855253af4f68a497John McCall /// if the lifetime qualifiers match, or if both are non-__weak and the 371f85e193739c953358c865005855253af4f68a497John McCall /// including set also contains the 'const' qualifier. 372f85e193739c953358c865005855253af4f68a497John McCall bool compatiblyIncludesObjCLifetime(Qualifiers other) const { 373f85e193739c953358c865005855253af4f68a497John McCall if (getObjCLifetime() == other.getObjCLifetime()) 374f85e193739c953358c865005855253af4f68a497John McCall return true; 375f85e193739c953358c865005855253af4f68a497John McCall 376f85e193739c953358c865005855253af4f68a497John McCall if (getObjCLifetime() == OCL_Weak || other.getObjCLifetime() == OCL_Weak) 377f85e193739c953358c865005855253af4f68a497John McCall return false; 378f85e193739c953358c865005855253af4f68a497John McCall 379f85e193739c953358c865005855253af4f68a497John McCall return hasConst(); 380f85e193739c953358c865005855253af4f68a497John McCall } 381f85e193739c953358c865005855253af4f68a497John McCall 382f85e193739c953358c865005855253af4f68a497John McCall bool isSupersetOf(Qualifiers Other) const; 383f85e193739c953358c865005855253af4f68a497John McCall 384769d0cc72b1831785596d0e76f327bdb887823beDouglas Gregor /// \brief Determine whether this set of qualifiers is a strict superset of 385769d0cc72b1831785596d0e76f327bdb887823beDouglas Gregor /// another set of qualifiers, not considering qualifier compatibility. 386769d0cc72b1831785596d0e76f327bdb887823beDouglas Gregor bool isStrictSupersetOf(Qualifiers Other) const; 387769d0cc72b1831785596d0e76f327bdb887823beDouglas Gregor 3880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator==(Qualifiers Other) const { return Mask == Other.Mask; } 3890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator!=(Qualifiers Other) const { return Mask != Other.Mask; } 3900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall operator bool() const { return hasQualifiers(); } 3920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers &operator+=(Qualifiers R) { 3940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addQualifiers(R); 3950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return *this; 3960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Union two qualifier sets. If an enumerated qualifier appears 3990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // in both sets, use the one from the right. 4000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend Qualifiers operator+(Qualifiers L, Qualifiers R) { 4010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall L += R; 4020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return L; 4030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4043cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor 4053cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor Qualifiers &operator-=(Qualifiers R) { 4063cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor Mask = Mask & ~(R.Mask); 4073cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor return *this; 4083cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor } 4090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4103cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor /// \brief Compute the difference between two qualifier sets. 4113cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor friend Qualifiers operator-(Qualifiers L, Qualifiers R) { 4123cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor L -= R; 4133cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor return L; 4143cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor } 4153cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor 4160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string getAsString() const; 4170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string getAsString(const PrintingPolicy &Policy) const { 4180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string Buffer; 4190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getAsStringInternal(Buffer, Policy); 4200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Buffer; 4210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void getAsStringInternal(std::string &S, const PrintingPolicy &Policy) const; 4230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) const { 4250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ID.AddInteger(Mask); 4260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4280953e767ff7817f97b3ab20896b229891eeff45bJohn McCallprivate: 4290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 430f85e193739c953358c865005855253af4f68a497John McCall // bits: |0 1 2|3 .. 4|5 .. 7|8 ... 31| 431f85e193739c953358c865005855253af4f68a497John McCall // |C R V|GCAttr|Lifetime|AddressSpace| 4320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall uint32_t Mask; 4330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrMask = 0x18; 4350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrShift = 3; 436f85e193739c953358c865005855253af4f68a497John McCall static const uint32_t LifetimeMask = 0xE0; 437f85e193739c953358c865005855253af4f68a497John McCall static const uint32_t LifetimeShift = 5; 438f85e193739c953358c865005855253af4f68a497John McCall static const uint32_t AddressSpaceMask = ~(CVRMask|GCAttrMask|LifetimeMask); 439f85e193739c953358c865005855253af4f68a497John McCall static const uint32_t AddressSpaceShift = 8; 4400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 4410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 442ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor/// CallingConv - Specifies the calling convention that a function uses. 443ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregorenum CallingConv { 444ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_Default, 445ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_C, // __attribute__((cdecl)) 446ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_X86StdCall, // __attribute__((stdcall)) 447f813a2c03fcb05381b3252010435f557eb6b3cdeDouglas Gregor CC_X86FastCall, // __attribute__((fastcall)) 44852fc314e1b5e1baee6305067cf831763d02bd243Dawn Perchik CC_X86ThisCall, // __attribute__((thiscall)) 449414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov CC_X86Pascal, // __attribute__((pascal)) 450414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov CC_AAPCS, // __attribute__((pcs("aapcs"))) 451414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov CC_AAPCS_VFP // __attribute__((pcs("aapcs-vfp"))) 452ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor}; 453ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 45449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCalltypedef std::pair<const Type*, Qualifiers> SplitQualType; 4550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// QualType - For efficiency, we don't store CV-qualified types as nodes on 4570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// their own: instead each reference to a type stores the qualifiers. This 4580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// greatly reduces the number of nodes we need to allocate for types (for 4590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// example we only need one for 'int', 'const int', 'volatile int', 4600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 'const volatile int', etc). 4610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 4620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// As an added efficiency bonus, instead of making this a pair, we 4630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// just store the two bits we care about in the low bits of the 4640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// pointer. To handle the packing/unpacking, we make QualType be a 4650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// simple wrapper class that acts like a smart pointer. A third bit 4660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// indicates whether there are extended qualifiers present, in which 4670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// case the pointer points to a special structure. 4680953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualType { 4690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Thankfully, these are efficiently composable. 4700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::PointerIntPair<llvm::PointerUnion<const Type*,const ExtQuals*>, 4710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::FastWidth> Value; 4720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *getExtQualsUnsafe() const { 4740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const ExtQuals*>(); 4750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *getTypePtrUnsafe() const { 4780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const Type*>(); 4790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ExtQualsTypeCommonBase *getCommonPtr() const { 4823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!isNull() && "Cannot retrieve a NULL type pointer"); 4833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall uintptr_t CommonPtrVal 4843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = reinterpret_cast<uintptr_t>(Value.getOpaqueValue()); 4853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall CommonPtrVal &= ~(uintptr_t)((1 << TypeAlignmentInBits) - 1); 4863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return reinterpret_cast<ExtQualsTypeCommonBase*>(CommonPtrVal); 4873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 4883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 4890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend class QualifierCollector; 4900953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 4915cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType() {} 4921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4935cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType(const Type *Ptr, unsigned Quals) 4940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 4950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType(const ExtQuals *Ptr, unsigned Quals) 4960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 4970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 498a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalFastQualifiers() const { return Value.getInt(); } 499a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor void setLocalFastQualifiers(unsigned Quals) { Value.setInt(Quals); } 5005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Retrieves a pointer to the underlying (unqualified) type. 5020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// This should really return a const Type, but it's not worth 5030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// changing all the users right now. 5041ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// 5051ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// This function requires that the type not be NULL. If the type might be 5061ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// NULL, use the (slightly less efficient) \c getTypePtrOrNull(). 5073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *getTypePtr() const; 5081ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor 5093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *getTypePtrOrNull() const; 5101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 51149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall /// Divides a QualType into its unqualified type and a set of local 51249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall /// qualifiers. 5133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split() const; 51449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall 5155cf243a883872441d73ca49cea7e20de5802629bChris Lattner void *getAsOpaquePtr() const { return Value.getOpaqueValue(); } 516f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall static QualType getFromOpaquePtr(const void *Ptr) { 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType T; 518f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall T.Value.setFromOpaqueValue(const_cast<void*>(Ptr)); 5195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T; 5205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 522f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type &operator*() const { 5235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return *getTypePtr(); 5245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 526f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *operator->() const { 5275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getTypePtr(); 5285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 530467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonical() const; 53154e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isCanonicalAsParam() const; 532467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 5335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isNull - Return true if this QualType doesn't point to a type yet. 5345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isNull() const { 5350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().isNull(); 5365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 538a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 539a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "const" qualifier set, without looking through typedefs that may have 540a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "const" at a different level. 541a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalConstQualified() const { 542a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Const); 5430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 544a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 545a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is const-qualified. 546fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isConstQualified() const; 547a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 548a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 549a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "restrict" qualifier set, without looking through typedefs that may have 550a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "restrict" at a different level. 551a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalRestrictQualified() const { 552a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Restrict); 553a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor } 554a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 555a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is restrict-qualified. 556fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isRestrictQualified() const; 557a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 558a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 559a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "volatile" qualifier set, without looking through typedefs that may have 560a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "volatile" at a different level. 561a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalVolatileQualified() const { 562f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor return (getLocalFastQualifiers() & Qualifiers::Volatile); 5635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 565a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is volatile-qualified. 566fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isVolatileQualified() const; 567a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 568a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 569a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers, without looking through any typedefs that might add 570a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers at a different level. 571a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalQualifiers() const { 572a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return getLocalFastQualifiers() || hasLocalNonFastQualifiers(); 5730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 575a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type has any qualifiers. 576fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool hasQualifiers() const; 577a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 578a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 579a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "non-fast" qualifiers, e.g., those that are stored in an ExtQualType 580a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance. 581a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalNonFastQualifiers() const { 582a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return Value.getPointer().is<const ExtQuals*>(); 5830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 585a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers local to this particular QualType 586a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance, not including any qualifiers acquired through typedefs or 587a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// other sugar. 5883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers getLocalQualifiers() const; 5890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 590a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers applied to this type. 591fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Qualifiers getQualifiers() const; 592a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 593a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 594a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// local to this particular QualType instance, not including any qualifiers 595a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// acquired through typedefs or other sugar. 596a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalCVRQualifiers() const { 597f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor return getLocalFastQualifiers(); 5985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 599b381aac9bae6d608c72267dd0ed08ec6369e94e4Nuno Lopes 600a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 601a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// applied to this type. 602fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor unsigned getCVRQualifiers() const; 603e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 604bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isConstant(ASTContext& Ctx) const { 605bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return QualType::isConstant(*this, Ctx); 606bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 6071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 608f85e193739c953358c865005855253af4f68a497John McCall /// \brief Determine whether this is a Plain Old Data (POD) type (C++ 3.9p10). 609f85e193739c953358c865005855253af4f68a497John McCall bool isPODType(ASTContext &Context) const; 610f85e193739c953358c865005855253af4f68a497John McCall 611f85e193739c953358c865005855253af4f68a497John McCall /// isCXX11PODType() - Return true if this is a POD type according to the 612f85e193739c953358c865005855253af4f68a497John McCall /// more relaxed rules of the C++11 standard, regardless of the current 613f85e193739c953358c865005855253af4f68a497John McCall /// compilation's language. 614f85e193739c953358c865005855253af4f68a497John McCall /// (C++0x [basic.types]p9) 615f85e193739c953358c865005855253af4f68a497John McCall bool isCXX11PODType(ASTContext &Context) const; 616f85e193739c953358c865005855253af4f68a497John McCall 617f85e193739c953358c865005855253af4f68a497John McCall /// isTrivialType - Return true if this is a trivial type 618f85e193739c953358c865005855253af4f68a497John McCall /// (C++0x [basic.types]p9) 619f85e193739c953358c865005855253af4f68a497John McCall bool isTrivialType(ASTContext &Context) const; 620f85e193739c953358c865005855253af4f68a497John McCall 621f85e193739c953358c865005855253af4f68a497John McCall /// isTriviallyCopyableType - Return true if this is a trivially 622f85e193739c953358c865005855253af4f68a497John McCall /// copyable type (C++0x [basic.types]p9) 623f85e193739c953358c865005855253af4f68a497John McCall bool isTriviallyCopyableType(ASTContext &Context) const; 624f85e193739c953358c865005855253af4f68a497John McCall 6250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Don't promise in the API that anything besides 'const' can be 6260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // easily added. 6270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 6280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// addConst - add the specified type qualifier to this QualType. 6290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { 6300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addFastQualifiers(Qualifiers::Const); 6310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withConst() const { 6330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return withFastQualifiers(Qualifiers::Const); 6340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 636308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt /// addVolatile - add the specified type qualifier to this QualType. 637308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt void addVolatile() { 638308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt addFastQualifiers(Qualifiers::Volatile); 639308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt } 640308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt QualType withVolatile() const { 641308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt return withFastQualifiers(Qualifiers::Volatile); 642308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt } 643308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt 644a07398ed98ea2b55ad7a505a3aab18aed93b149fJohn McCall QualType withCVRQualifiers(unsigned CVR) const { 645a07398ed98ea2b55ad7a505a3aab18aed93b149fJohn McCall return withFastQualifiers(CVR); 646a07398ed98ea2b55ad7a505a3aab18aed93b149fJohn McCall } 647a07398ed98ea2b55ad7a505a3aab18aed93b149fJohn McCall 6480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned TQs) { 6490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(TQs & ~Qualifiers::FastMask) 6500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "non-fast qualifier bits set in mask!"); 6510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() | TQs); 6520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 65449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalConst(); 65549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalVolatile(); 65649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalRestrict(); 65749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalCVRQualifiers(unsigned Mask); 6580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 65949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalFastQualifiers() { Value.setInt(0); } 66049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalFastQualifiers(unsigned Mask) { 6610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(Mask & ~Qualifiers::FastMask) && "mask has non-fast qualifiers"); 6620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() & ~Mask); 6630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 6650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with the given qualifiers in addition to any 6660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualifiers already on this type. 6670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withFastQualifiers(unsigned TQs) const { 6680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 6690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall T.addFastQualifiers(TQs); 6700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 6710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6721c6a38bcea17801e9a4738753aee845381af2b6cSanjiv Gupta 6730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with exactly the given fast qualifiers, removing 6740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // any existing fast qualifiers. 67549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType withExactLocalFastQualifiers(unsigned TQs) const { 67649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return withoutLocalFastQualifiers().withFastQualifiers(TQs); 6775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 6790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Removes fast qualifiers, but leaves any extended qualifiers in place. 68049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType withoutLocalFastQualifiers() const { 6810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 68249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall T.removeLocalFastQualifiers(); 6830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 684c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 685971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis 6863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType getCanonicalType() const; 6873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 688a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Return this type with all of the instance-specific qualifiers 689a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// removed, but without removing any qualifiers that may have been applied 690a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// through typedefs. 691a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor QualType getLocalUnqualifiedType() const { return QualType(getTypePtr(), 0); } 6921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 69362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \brief Retrieve the unqualified variant of the given type, 69462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// removing as little sugar as possible. 69562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 69662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// This routine looks through various kinds of sugar to find the 69762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// least-desugared type that is unqualified. For example, given: 69862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 69962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \code 70062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// typedef int Integer; 70162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// typedef const Integer CInteger; 70262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// typedef CInteger DifferenceType; 70362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \endcode 70462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 70562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// Executing \c getUnqualifiedType() on the type \c DifferenceType will 70662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// desugar until we hit the type \c Integer, which has no qualifiers on it. 70762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 70862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// The resulting type might still be qualified if it's an array 70962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// type. To strip qualifiers even from within an array type, use 71062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// ASTContext::getUnqualifiedArrayType. 71162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall inline QualType getUnqualifiedType() const; 71262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 71362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// getSplitUnqualifiedType - Retrieve the unqualified variant of the 71462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// given type, removing as little sugar as possible. 71562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 71662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// Like getUnqualifiedType(), but also returns the set of 71762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// qualifiers that were built up. 71862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 71962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// The resulting type might still be qualified if it's an array 72062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// type. To strip qualifiers even from within an array type, use 72162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// ASTContext::getUnqualifiedArrayType. 72262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall inline SplitQualType getSplitUnqualifiedType() const; 723a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 72461d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor /// \brief Determine whether this type is more qualified than the other 72561d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor /// given type, requiring exact equality for non-CVR qualifiers. 726e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isMoreQualifiedThan(QualType Other) const; 72761d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor 72861d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor /// \brief Determine whether this type is at least as qualified as the other 72961d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor /// given type, requiring exact equality for non-CVR qualifiers. 730e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isAtLeastAsQualifiedAs(QualType Other) const; 73161d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor 732e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor QualType getNonReferenceType() const; 7331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7346398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// \brief Determine the type of a (typically non-lvalue) expression with the 7356398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// specified result type. 7365291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// 7376398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// This routine should be used for expressions for which the return type is 7386398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// explicitly specified (e.g., in a cast or call) and isn't necessarily 7396398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// an lvalue. It removes a top-level reference (since there are no 7405291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// expressions of reference type) and deletes top-level cvr-qualifiers 7415291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// from non-class types (in C++) or all types (in C). 7426398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor QualType getNonLValueExprType(ASTContext &Context) const; 7435291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 7442fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// getDesugaredType - Return the specified type with any "sugar" removed from 7452fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type. This takes off typedefs, typeof's etc. If the outer level of 7462fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type is already concrete, it returns it unmodified. This is similar 7472fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// to getting the canonical type, but it doesn't remove *all* typedefs. For 7482fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// example, it returns "T*" as "T*", (not as "int*"), because the pointer is 7492fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// concrete. 7500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 7510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Qualifiers are left in place. 7524ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType getDesugaredType(const ASTContext &Context) const { 75349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getDesugaredType(*this, Context); 75449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 75549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall 75649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall SplitQualType getSplitDesugaredType() const { 75749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getSplitDesugaredType(*this); 758bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 75998cd599ee8a9b259ed7388ee2921a20d97658864Douglas Gregor 760075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara /// IgnoreParens - Returns the specified type after dropping any 761075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara /// outer-level parentheses. 762075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType IgnoreParens() const { 763723df245307a530da5433dfb43accf187dc3e243Abramo Bagnara if (isa<ParenType>(*this)) 764723df245307a530da5433dfb43accf187dc3e243Abramo Bagnara return QualType::IgnoreParens(*this); 765723df245307a530da5433dfb43accf187dc3e243Abramo Bagnara return *this; 766075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 767075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 7685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// operator==/!= - Indicate whether the specified types and qualifiers are 7695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// identical. 77050d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator==(const QualType &LHS, const QualType &RHS) { 77150d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value == RHS.Value; 7725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 77350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator!=(const QualType &LHS, const QualType &RHS) { 77450d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value != RHS.Value; 7755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 77649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall std::string getAsString() const { 77749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsString(split()); 77849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 77949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static std::string getAsString(SplitQualType split) { 78049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsString(split.first, split.second); 78149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 78249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static std::string getAsString(const Type *ty, Qualifiers qs); 783d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor 784d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor std::string getAsString(const PrintingPolicy &Policy) const { 7855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::string S; 786d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor getAsStringInternal(S, Policy); 7875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return S; 7885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 789e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner void getAsStringInternal(std::string &Str, 79049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &Policy) const { 79149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsStringInternal(split(), Str, Policy); 79249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 79349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static void getAsStringInternal(SplitQualType split, std::string &out, 79449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &policy) { 79549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsStringInternal(split.first, split.second, out, policy); 79649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 79749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static void getAsStringInternal(const Type *ty, Qualifiers qs, 79849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall std::string &out, 79949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &policy); 8001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 801c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump(const char *s) const; 802c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 8031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8043f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) const { 8053f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek ID.AddPointer(getAsOpaquePtr()); 8063f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek } 8075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 808ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// getAddressSpace - Return the address space of this type. 809ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb inline unsigned getAddressSpace() const; 8101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 811f85e193739c953358c865005855253af4f68a497John McCall /// getObjCGCAttr - Returns gc attribute of this type. 8120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall inline Qualifiers::GC getObjCGCAttr() const; 813f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 814f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCWeak true when Type is objc's weak. 815f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCWeak() const { 8160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Weak; 817f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 818f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 819f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCStrong true when Type is objc's strong. 820f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCStrong() const { 8210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Strong; 822f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 8232455636163fdd18581d7fdae816433f886d88213Mike Stump 824f85e193739c953358c865005855253af4f68a497John McCall /// getObjCLifetime - Returns lifetime attribute of this type. 825f85e193739c953358c865005855253af4f68a497John McCall Qualifiers::ObjCLifetime getObjCLifetime() const { 826f85e193739c953358c865005855253af4f68a497John McCall return getQualifiers().getObjCLifetime(); 827f85e193739c953358c865005855253af4f68a497John McCall } 828f85e193739c953358c865005855253af4f68a497John McCall 829f85e193739c953358c865005855253af4f68a497John McCall bool hasNonTrivialObjCLifetime() const { 830f85e193739c953358c865005855253af4f68a497John McCall return getQualifiers().hasNonTrivialObjCLifetime(); 831f85e193739c953358c865005855253af4f68a497John McCall } 832f85e193739c953358c865005855253af4f68a497John McCall 833f85e193739c953358c865005855253af4f68a497John McCall bool hasStrongOrWeakObjCLifetime() const { 834f85e193739c953358c865005855253af4f68a497John McCall return getQualifiers().hasStrongOrWeakObjCLifetime(); 835f85e193739c953358c865005855253af4f68a497John McCall } 836f85e193739c953358c865005855253af4f68a497John McCall 8370d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall enum DestructionKind { 8380d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall DK_none, 839f85e193739c953358c865005855253af4f68a497John McCall DK_cxx_destructor, 840f85e193739c953358c865005855253af4f68a497John McCall DK_objc_strong_lifetime, 841f85e193739c953358c865005855253af4f68a497John McCall DK_objc_weak_lifetime 8420d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall }; 8430d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall 8440d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall /// isDestructedType - nonzero if objects of this type require 8450d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall /// non-trivial work to clean up after. Non-zero because it's 8460d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall /// conceivable that qualifiers (objc_gc(weak)?) could make 8470d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall /// something require destruction. 8480d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall DestructionKind isDestructedType() const { 8490d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall return isDestructedTypeImpl(*this); 8500d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall } 8510d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall 8522b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// \brief Determine whether expressions of the given type are forbidden 8532b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// from being lvalues in C. 8542b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// 8552b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// The expression types that are forbidden to be lvalues are: 8562b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// - 'void', but not qualified void 8572b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// - function types 8582b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// 8592b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// The exact rule here is C99 6.3.2.1: 8602b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// An lvalue is an expression with an object type or an incomplete 8612b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// type other than void. 8622b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor bool isCForbiddenLValueType() const; 8632b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor 864f85e193739c953358c865005855253af4f68a497John McCall /// \brief Determine whether this type has trivial copy-assignment semantics. 865f85e193739c953358c865005855253af4f68a497John McCall bool hasTrivialCopyAssignment(ASTContext &Context) const; 866f85e193739c953358c865005855253af4f68a497John McCall 867bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCallprivate: 868bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // These methods are implemented in a separate translation unit; 869bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // "static"-ize them to avoid creating temporary QualTypes in the 870bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // caller. 871bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall static bool isConstant(QualType T, ASTContext& Ctx); 8724ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static QualType getDesugaredType(QualType T, const ASTContext &Context); 87349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static SplitQualType getSplitDesugaredType(QualType T); 87462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall static SplitQualType getSplitUnqualifiedTypeImpl(QualType type); 875075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static QualType IgnoreParens(QualType T); 8760d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall static DestructionKind isDestructedTypeImpl(QualType type); 8775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end clang. 8805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace llvm { 8825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Implement simplify_type for QualType, so that we can dyn_cast from QualType 8835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// to a specific Type class. 8845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type<const ::clang::QualType> { 885f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall typedef const ::clang::Type *SimpleType; 8865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static SimpleType getSimplifiedValue(const ::clang::QualType &Val) { 8874472fc641ea3069463798fb56a04043c28ea2910Douglas Gregor return Val.getTypePtr(); 8885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type< ::clang::QualType> 8915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : public simplify_type<const ::clang::QualType> {}; 8921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8934e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner// Teach SmallPtrSet that QualType is "basically a pointer". 8944e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnertemplate<> 895daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattnerclass PointerLikeTypeTraits<clang::QualType> { 8964e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnerpublic: 8974e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline void *getAsVoidPointer(clang::QualType P) { 8984e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return P.getAsOpaquePtr(); 8994e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 9004e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline clang::QualType getFromVoidPointer(void *P) { 9014e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return clang::QualType::getFromOpaquePtr(P); 9024e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 9030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Various qualifiers go in low bits. 9040eda3b31a672ea486fa92b9bc49a2c91be856b53Chris Lattner enum { NumLowBitsAvailable = 0 }; 9054e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner}; 9061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 90773af669633e13c813f80cd15ecf3e6414778aee4Ted Kremenek} // end namespace llvm 9085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 9105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// \brief Base class that is common to both the \c ExtQuals and \c Type 9123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// classes, which allows \c QualType to access the common fields between the 9133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// two. 9143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// 9153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallclass ExtQualsTypeCommonBase { 9163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQualsTypeCommonBase(const Type *baseType, QualType canon) 9173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall : BaseType(baseType), CanonicalType(canon) {} 9183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// \brief The "base" type of an extended qualifiers type (\c ExtQuals) or 9203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// a self-referential pointer (for \c Type). 9213b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// 9223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// This pointer allows an efficient mapping from a QualType to its 9233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// underlying type pointer. 9243b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *const BaseType; 9253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// \brief The canonical type of this type. A QualType. 9273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType CanonicalType; 9283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall friend class QualType; 9303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall friend class Type; 9313b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall friend class ExtQuals; 9323b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall}; 9333b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// ExtQuals - We can encode up to four bits in the low bits of a 9353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// type pointer, but there are many more type qualifiers that we want 9363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// to be able to apply to an arbitrary type. Therefore we have this 9373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// struct, intended to be heap-allocated and used by QualType to 9383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// store qualifiers. 9393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// 9403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// The current design tags the 'const', 'restrict', and 'volatile' qualifiers 9413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// in three low bits on the QualType pointer; a fourth bit records whether 9423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// the pointer is an ExtQuals node. The extended qualifiers (address spaces, 9433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// Objective-C GC attributes) are much more rare. 9443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallclass ExtQuals : public ExtQualsTypeCommonBase, public llvm::FoldingSetNode { 9453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // NOTE: changing the fast qualifiers should be straightforward as 9463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // long as you don't make 'const' non-fast. 9473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // 1. Qualifiers: 9483b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // a) Modify the bitmasks (Qualifiers::TQ and DeclSpec::TQ). 9493b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Fast qualifiers must occupy the low-order bits. 9503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // b) Update Qualifiers::FastWidth and FastMask. 9513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // 2. QualType: 9523b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // a) Update is{Volatile,Restrict}Qualified(), defined inline. 9533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // b) Update remove{Volatile,Restrict}, defined near the end of 9543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // this header. 9553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // 3. ASTContext: 9563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // a) Update get{Volatile,Restrict}Type. 9573b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// Quals - the immutable set of qualifiers applied by this 9593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// node; always contains extended qualifiers. 9603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers Quals; 9613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals *this_() { return this; } 9633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallpublic: 9653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals(const Type *baseType, QualType canon, Qualifiers quals) 9663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall : ExtQualsTypeCommonBase(baseType, 9673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon.isNull() ? QualType(this_(), 0) : canon), 9683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals(quals) 9693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall { 9703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(Quals.hasNonFastQualifiers() 9713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall && "ExtQuals created with no fast qualifiers"); 9723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!Quals.hasFastQualifiers() 9733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall && "ExtQuals created with fast qualifiers"); 9743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 9753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers getQualifiers() const { return Quals; } 9773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall bool hasObjCGCAttr() const { return Quals.hasObjCGCAttr(); } 9793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers::GC getObjCGCAttr() const { return Quals.getObjCGCAttr(); } 9803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 981f85e193739c953358c865005855253af4f68a497John McCall bool hasObjCLifetime() const { return Quals.hasObjCLifetime(); } 982f85e193739c953358c865005855253af4f68a497John McCall Qualifiers::ObjCLifetime getObjCLifetime() const { 983f85e193739c953358c865005855253af4f68a497John McCall return Quals.getObjCLifetime(); 984f85e193739c953358c865005855253af4f68a497John McCall } 985f85e193739c953358c865005855253af4f68a497John McCall 9863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall bool hasAddressSpace() const { return Quals.hasAddressSpace(); } 9873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned getAddressSpace() const { return Quals.getAddressSpace(); } 9883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *getBaseType() const { return BaseType; } 9903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallpublic: 9923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void Profile(llvm::FoldingSetNodeID &ID) const { 9933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Profile(ID, getBaseType(), Quals); 9943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 9953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall static void Profile(llvm::FoldingSetNodeID &ID, 9963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *BaseType, 9973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers Quals) { 9983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!Quals.hasFastQualifiers() && "fast qualifiers in ExtQuals hash!"); 9993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ID.AddPointer(BaseType); 10003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals.Profile(ID); 10013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 10023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall}; 10033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 1004c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor/// \brief The kind of C++0x ref-qualifier associated with a function type, 1005c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor/// which determines whether a member function's "this" object can be an 1006c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor/// lvalue, rvalue, or neither. 1007c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregorenum RefQualifierKind { 1008c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief No ref-qualifier was provided. 1009c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RQ_None = 0, 1010c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief An lvalue ref-qualifier was provided (\c &). 1011c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RQ_LValue, 1012c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief An rvalue ref-qualifier was provided (\c &&). 1013c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RQ_RValue 1014c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor}; 1015c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 10165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Type - This is the base class of the type hierarchy. A central concept 10175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// with types is that each type always has a canonical type. A canonical type 10185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is the type with any typedef names stripped out of it or the types it 10195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// references. For example, consider: 10205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef int foo; 10225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef foo* bar; 10235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int *' 'foo *' 'bar' 10245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// There will be a Type object created for 'int'. Since int is canonical, its 10265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonicaltype pointer points to itself. There is also a Type for 'foo' (a 102772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypedefType). Its CanonicalType pointer points to the 'int' Type. Next 10285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// there is a PointerType that represents 'int*', which, like 'int', is 10295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonical. Finally, there is a PointerType type for 'foo*' whose canonical 103072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// type is 'int*', and there is a TypedefType for 'bar', whose canonical type 10315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is also 'int*'. 10325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Non-canonical types are useful for emitting diagnostics, without losing 10345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// information about typedefs being used. Canonical types are useful for type 10355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// comparisons (they allow by-pointer equality tests) and useful for reasoning 10365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// about whether something has a particular form (e.g. is a function type), 10375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// because they implicitly, recursively, strip all typedefs out of a type. 10385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Types, once created, are immutable. 10405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10411ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregorclass Type : public ExtQualsTypeCommonBase { 10425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum TypeClass { 104472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) Class, 104527935ee59c30b0d8b610ab676aab8e65350af932John McCall#define LAST_TYPE(Class) TypeLast = Class, 104672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 104772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 104872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor TagFirst = Record, TagLast = Enum 10495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 10501bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 10515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 1052c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Type(const Type&); // DO NOT IMPLEMENT. 1053c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void operator=(const Type&); // DO NOT IMPLEMENT. 1054c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 1055b870b88df784c2940efce448ebfaf54dece14666John McCall /// Bitfields required by the Type class. 1056b870b88df784c2940efce448ebfaf54dece14666John McCall class TypeBitfields { 1057b870b88df784c2940efce448ebfaf54dece14666John McCall friend class Type; 1058b7b2688bab0eac053d3e2938b329c8e523fd252bJohn McCall template <class T> friend class TypePropertyCache; 105927935ee59c30b0d8b610ab676aab8e65350af932John McCall 1060b870b88df784c2940efce448ebfaf54dece14666John McCall /// TypeClass bitfield - Enum that specifies what subclass this belongs to. 1061b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned TC : 8; 1062b870b88df784c2940efce448ebfaf54dece14666John McCall 1063b870b88df784c2940efce448ebfaf54dece14666John McCall /// Dependent - Whether this type is a dependent type (C++ [temp.dep.type]). 1064b870b88df784c2940efce448ebfaf54dece14666John McCall /// Note that this should stay at the end of the ivars for Type so that 1065b870b88df784c2940efce448ebfaf54dece14666John McCall /// subclasses can pack their bitfields into the same word. 1066bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned Dependent : 1; 106760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 1068561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// \brief Whether this type somehow involves a template parameter, even 1069561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// if the resolution of the type does not depend on a template parameter. 1070561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor unsigned InstantiationDependent : 1; 1071561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor 1072b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Whether this type is a variably-modified type (C99 6.7.5). 1073bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned VariablyModified : 1; 1074d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 1075d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Whether this type contains an unexpanded parameter pack 1076d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// (for C++0x variadic templates). 1077d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned ContainsUnexpandedParameterPack : 1; 107835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 10791fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Nonzero if the cache (i.e. the bitfields here starting 10801fb0caaa7bef765b85972274e3b434af2572c141John McCall /// with 'Cache') is valid. If so, then this is a 10811fb0caaa7bef765b85972274e3b434af2572c141John McCall /// LangOptions::VisibilityMode+1. 10821fb0caaa7bef765b85972274e3b434af2572c141John McCall mutable unsigned CacheValidAndVisibility : 2; 108360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 1084b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Linkage of this type. 1085b870b88df784c2940efce448ebfaf54dece14666John McCall mutable unsigned CachedLinkage : 2; 108607a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1087b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Whether this type involves and local or unnamed types. 1088bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet mutable unsigned CachedLocalOrUnnamed : 1; 1089db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor 1090b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief FromAST - Whether this type comes from an AST file. 1091bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet mutable unsigned FromAST : 1; 1092b870b88df784c2940efce448ebfaf54dece14666John McCall 10931fb0caaa7bef765b85972274e3b434af2572c141John McCall bool isCacheValid() const { 10941fb0caaa7bef765b85972274e3b434af2572c141John McCall return (CacheValidAndVisibility != 0); 10951fb0caaa7bef765b85972274e3b434af2572c141John McCall } 10961fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility getVisibility() const { 10971fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 10981fb0caaa7bef765b85972274e3b434af2572c141John McCall return static_cast<Visibility>(CacheValidAndVisibility-1); 10991fb0caaa7bef765b85972274e3b434af2572c141John McCall } 11001fb0caaa7bef765b85972274e3b434af2572c141John McCall Linkage getLinkage() const { 11011fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 11021fb0caaa7bef765b85972274e3b434af2572c141John McCall return static_cast<Linkage>(CachedLinkage); 11031fb0caaa7bef765b85972274e3b434af2572c141John McCall } 11041fb0caaa7bef765b85972274e3b434af2572c141John McCall bool hasLocalOrUnnamedType() const { 11051fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 11061fb0caaa7bef765b85972274e3b434af2572c141John McCall return CachedLocalOrUnnamed; 11071fb0caaa7bef765b85972274e3b434af2572c141John McCall } 1108b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1109561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor enum { NumTypeBits = 18 }; 1110b870b88df784c2940efce448ebfaf54dece14666John McCall 1111b870b88df784c2940efce448ebfaf54dece14666John McCallprotected: 1112b870b88df784c2940efce448ebfaf54dece14666John McCall // These classes allow subclasses to somewhat cleanly pack bitfields 1113b870b88df784c2940efce448ebfaf54dece14666John McCall // into Type. 1114b870b88df784c2940efce448ebfaf54dece14666John McCall 1115b870b88df784c2940efce448ebfaf54dece14666John McCall class ArrayTypeBitfields { 1116b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ArrayType; 1117b870b88df784c2940efce448ebfaf54dece14666John McCall 1118b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1119b870b88df784c2940efce448ebfaf54dece14666John McCall 1120b870b88df784c2940efce448ebfaf54dece14666John McCall /// IndexTypeQuals - CVR qualifiers from declarations like 1121b870b88df784c2940efce448ebfaf54dece14666John McCall /// 'int X[static restrict 4]'. For function parameters only. 1122b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned IndexTypeQuals : 3; 1123b870b88df784c2940efce448ebfaf54dece14666John McCall 1124b870b88df784c2940efce448ebfaf54dece14666John McCall /// SizeModifier - storage class qualifiers from declarations like 1125b870b88df784c2940efce448ebfaf54dece14666John McCall /// 'int X[static restrict 4]'. For function parameters only. 1126b870b88df784c2940efce448ebfaf54dece14666John McCall /// Actually an ArrayType::ArraySizeModifier. 1127b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned SizeModifier : 3; 1128b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1129b870b88df784c2940efce448ebfaf54dece14666John McCall 1130b870b88df784c2940efce448ebfaf54dece14666John McCall class BuiltinTypeBitfields { 1131b870b88df784c2940efce448ebfaf54dece14666John McCall friend class BuiltinType; 1132b870b88df784c2940efce448ebfaf54dece14666John McCall 1133b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1134b870b88df784c2940efce448ebfaf54dece14666John McCall 1135b870b88df784c2940efce448ebfaf54dece14666John McCall /// The kind (BuiltinType::Kind) of builtin type this is. 1136b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned Kind : 8; 1137b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1138b870b88df784c2940efce448ebfaf54dece14666John McCall 1139b870b88df784c2940efce448ebfaf54dece14666John McCall class FunctionTypeBitfields { 1140b870b88df784c2940efce448ebfaf54dece14666John McCall friend class FunctionType; 1141b870b88df784c2940efce448ebfaf54dece14666John McCall 1142b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1143b870b88df784c2940efce448ebfaf54dece14666John McCall 1144b870b88df784c2940efce448ebfaf54dece14666John McCall /// Extra information which affects how the function is called, like 1145b870b88df784c2940efce448ebfaf54dece14666John McCall /// regparm and the calling convention. 11467e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor unsigned ExtInfo : 8; 1147b870b88df784c2940efce448ebfaf54dece14666John McCall 1148e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall /// Whether the function is variadic. Only used by FunctionProtoType. 1149e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall unsigned Variadic : 1; 1150b870b88df784c2940efce448ebfaf54dece14666John McCall 1151b870b88df784c2940efce448ebfaf54dece14666John McCall /// TypeQuals - Used only by FunctionProtoType, put here to pack with the 1152b870b88df784c2940efce448ebfaf54dece14666John McCall /// other bitfields. 1153b870b88df784c2940efce448ebfaf54dece14666John McCall /// The qualifiers are part of FunctionProtoType because... 1154b870b88df784c2940efce448ebfaf54dece14666John McCall /// 1155b870b88df784c2940efce448ebfaf54dece14666John McCall /// C++ 8.3.5p4: The return type, the parameter type list and the 1156b870b88df784c2940efce448ebfaf54dece14666John McCall /// cv-qualifier-seq, [...], are part of the function type. 1157b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned TypeQuals : 3; 1158c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 1159c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief The ref-qualifier associated with a \c FunctionProtoType. 1160c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// 1161c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// This is a value of type \c RefQualifierKind. 1162c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor unsigned RefQualifier : 2; 1163b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1164b870b88df784c2940efce448ebfaf54dece14666John McCall 1165b870b88df784c2940efce448ebfaf54dece14666John McCall class ObjCObjectTypeBitfields { 1166b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ObjCObjectType; 1167b870b88df784c2940efce448ebfaf54dece14666John McCall 1168b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1169b870b88df784c2940efce448ebfaf54dece14666John McCall 1170b870b88df784c2940efce448ebfaf54dece14666John McCall /// NumProtocols - The number of protocols stored directly on this 1171b870b88df784c2940efce448ebfaf54dece14666John McCall /// object type. 1172b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned NumProtocols : 32 - NumTypeBits; 1173b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1174b870b88df784c2940efce448ebfaf54dece14666John McCall 1175b870b88df784c2940efce448ebfaf54dece14666John McCall class ReferenceTypeBitfields { 1176b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ReferenceType; 1177b870b88df784c2940efce448ebfaf54dece14666John McCall 1178b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1179b870b88df784c2940efce448ebfaf54dece14666John McCall 1180b870b88df784c2940efce448ebfaf54dece14666John McCall /// True if the type was originally spelled with an lvalue sigil. 1181b870b88df784c2940efce448ebfaf54dece14666John McCall /// This is never true of rvalue references but can also be false 1182b870b88df784c2940efce448ebfaf54dece14666John McCall /// on lvalue references because of C++0x [dcl.typedef]p9, 1183b870b88df784c2940efce448ebfaf54dece14666John McCall /// as follows: 1184b870b88df784c2940efce448ebfaf54dece14666John McCall /// 1185b870b88df784c2940efce448ebfaf54dece14666John McCall /// typedef int &ref; // lvalue, spelled lvalue 1186b870b88df784c2940efce448ebfaf54dece14666John McCall /// typedef int &&rvref; // rvalue 1187b870b88df784c2940efce448ebfaf54dece14666John McCall /// ref &a; // lvalue, inner ref, spelled lvalue 1188b870b88df784c2940efce448ebfaf54dece14666John McCall /// ref &&a; // lvalue, inner ref 1189b870b88df784c2940efce448ebfaf54dece14666John McCall /// rvref &a; // lvalue, inner ref, spelled lvalue 1190b870b88df784c2940efce448ebfaf54dece14666John McCall /// rvref &&a; // rvalue, inner ref 1191bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned SpelledAsLValue : 1; 1192b870b88df784c2940efce448ebfaf54dece14666John McCall 1193b870b88df784c2940efce448ebfaf54dece14666John McCall /// True if the inner type is a reference type. This only happens 1194b870b88df784c2940efce448ebfaf54dece14666John McCall /// in non-canonical forms. 1195bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned InnerRef : 1; 1196b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1197b870b88df784c2940efce448ebfaf54dece14666John McCall 119877be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall class TypeWithKeywordBitfields { 119977be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall friend class TypeWithKeyword; 120077be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 120177be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned : NumTypeBits; 120277be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 120377be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall /// An ElaboratedTypeKeyword. 8 bits for efficient access. 120477be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned Keyword : 8; 120577be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall }; 120677be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 1207b870b88df784c2940efce448ebfaf54dece14666John McCall class VectorTypeBitfields { 1208b870b88df784c2940efce448ebfaf54dece14666John McCall friend class VectorType; 120907a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1210b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 121171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 1212e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson /// VecKind - The kind of vector, either a generic vector type or some 1213e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson /// target-specific vector type such as for AltiVec or Neon. 1214cc3b946c35c4372272034e6f0663089477a9a5bdBob Wilson unsigned VecKind : 3; 1215b870b88df784c2940efce448ebfaf54dece14666John McCall 1216b870b88df784c2940efce448ebfaf54dece14666John McCall /// NumElements - The number of elements in the vector. 1217cc3b946c35c4372272034e6f0663089477a9a5bdBob Wilson unsigned NumElements : 29 - NumTypeBits; 1218b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1219b870b88df784c2940efce448ebfaf54dece14666John McCall 12209d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall class AttributedTypeBitfields { 12219d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall friend class AttributedType; 12229d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 12239d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall unsigned : NumTypeBits; 12249d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 12259d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall /// AttrKind - an AttributedType::Kind 12269d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall unsigned AttrKind : 32 - NumTypeBits; 12279d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall }; 12289d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 1229b870b88df784c2940efce448ebfaf54dece14666John McCall union { 1230b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBitfields TypeBits; 1231b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBitfields ArrayTypeBits; 12329d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedTypeBitfields AttributedTypeBits; 1233b870b88df784c2940efce448ebfaf54dece14666John McCall BuiltinTypeBitfields BuiltinTypeBits; 1234b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBitfields FunctionTypeBits; 1235b870b88df784c2940efce448ebfaf54dece14666John McCall ObjCObjectTypeBitfields ObjCObjectTypeBits; 1236b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBitfields ReferenceTypeBits; 123777be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall TypeWithKeywordBitfields TypeWithKeywordBits; 1238b870b88df784c2940efce448ebfaf54dece14666John McCall VectorTypeBitfields VectorTypeBits; 1239b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1240b870b88df784c2940efce448ebfaf54dece14666John McCall 1241b870b88df784c2940efce448ebfaf54dece14666John McCallprivate: 12423c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Set whether this type comes from an AST file. 12433c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl void setFromAST(bool V = true) const { 1244b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.FromAST = V; 124507a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl } 124607a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1247b7b2688bab0eac053d3e2938b329c8e523fd252bJohn McCall template <class T> friend class TypePropertyCache; 12481fb0caaa7bef765b85972274e3b434af2572c141John McCall 12495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 1250124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser // silence VC++ warning C4355: 'this' : used in base member initializer list 1251124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser Type *this_() { return this; } 1252561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Type(TypeClass tc, QualType canon, bool Dependent, 1253561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool InstantiationDependent, bool VariablyModified, 1254d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool ContainsUnexpandedParameterPack) 12553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall : ExtQualsTypeCommonBase(this, 12563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon.isNull() ? QualType(this_(), 0) : canon) { 1257b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.TC = tc; 1258b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.Dependent = Dependent; 1259561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor TypeBits.InstantiationDependent = Dependent || InstantiationDependent; 1260b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.VariablyModified = VariablyModified; 1261d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor TypeBits.ContainsUnexpandedParameterPack = ContainsUnexpandedParameterPack; 12621fb0caaa7bef765b85972274e3b434af2572c141John McCall TypeBits.CacheValidAndVisibility = 0; 1263b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.CachedLocalOrUnnamed = false; 1264b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.CachedLinkage = NoLinkage; 1265b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.FromAST = false; 1266b870b88df784c2940efce448ebfaf54dece14666John McCall } 12675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; 12681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1269561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor void setDependent(bool D = true) { 1270561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor TypeBits.Dependent = D; 1271561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (D) 1272561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor TypeBits.InstantiationDependent = true; 1273561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor } 1274561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor void setInstantiationDependent(bool D = true) { 1275561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor TypeBits.InstantiationDependent = D; } 1276561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor void setVariablyModified(bool VM = true) { TypeBits.VariablyModified = VM; 1277561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor } 1278d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor void setContainsUnexpandedParameterPack(bool PP = true) { 1279d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor TypeBits.ContainsUnexpandedParameterPack = PP; 1280d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 1281d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 12828b9023ba35a86838789e2c9034a6128728c547aaChris Lattnerpublic: 1283b870b88df784c2940efce448ebfaf54dece14666John McCall TypeClass getTypeClass() const { return static_cast<TypeClass>(TypeBits.TC); } 12841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12853c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Whether this type comes from an AST file. 1286b870b88df784c2940efce448ebfaf54dece14666John McCall bool isFromAST() const { return TypeBits.FromAST; } 128707a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1288d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Whether this type is or contains an unexpanded parameter 1289d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// pack, used to support C++0x variadic templates. 1290d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 1291d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// A type that contains a parameter pack shall be expanded by the 1292d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// ellipsis operator at some point. For example, the typedef in the 1293d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// following example contains an unexpanded parameter pack 'T': 1294d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 1295d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \code 1296d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// template<typename ...T> 1297d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// struct X { 1298d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// typedef T* pointer_types; // ill-formed; T is a parameter pack. 1299d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// }; 1300d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \endcode 1301d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 1302d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// Note that this routine does not specify which 1303d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool containsUnexpandedParameterPack() const { 1304d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return TypeBits.ContainsUnexpandedParameterPack; 1305d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 1306d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 13073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// Determines if this type would be canonical if it had no further 13083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// qualification. 1309467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonicalUnqualified() const { 13103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return CanonicalType == QualType(this, 0); 1311467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall } 13125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Types are partitioned into 3 broad categories (C99 6.2.5p1): 13145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// object types, function types, and incomplete types. 13151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIncompleteType - Return true if this is an incomplete type. 13175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// A type that can describe objects, but which lacks information needed to 13185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// determine its size (e.g. void, or a fwd declared struct). Clients of this 13191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// routine will need to determine if the size is actually required. 13205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncompleteType() const; 1321d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner 1322d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// isIncompleteOrObjectType - Return true if this is an incomplete or object 1323d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// type, in other words, not a function type. 1324d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner bool isIncompleteOrObjectType() const { 1325d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner return !isFunctionType(); 1326d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner } 13272fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor 13282fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor /// \brief Determine whether this type is an object type. 13292fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor bool isObjectType() const { 13302fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor // C++ [basic.types]p8: 13312fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor // An object type is a (possibly cv-qualified) type that is not a 13322fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor // function type, not a reference type, and not a void type. 13332fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor return !isReferenceType() && !isFunctionType() && !isVoidType(); 13342fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor } 133564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 1336ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// isLiteralType - Return true if this is a literal type 1337ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// (C++0x [basic.types]p10) 1338ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl bool isLiteralType() const; 1339ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl 1340636a617cc6021a4366380b3ce673f4472f3d99dbChandler Carruth /// \brief Test if this type is a standard-layout type. 1341636a617cc6021a4366380b3ce673f4472f3d99dbChandler Carruth /// (C++0x [basic.type]p9) 1342636a617cc6021a4366380b3ce673f4472f3d99dbChandler Carruth bool isStandardLayoutType() const; 1343636a617cc6021a4366380b3ce673f4472f3d99dbChandler Carruth 13445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Helper methods to distinguish type categories. All type predicates 1345ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// operate on the canonical type, ignoring typedefs and qualifiers. 1346e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 13479b065ddabf572772991a4aadad5bf4921fac5069Tom Care /// isBuiltinType - returns true if the type is a builtin type. 13489b065ddabf572772991a4aadad5bf4921fac5069Tom Care bool isBuiltinType() const; 13499b065ddabf572772991a4aadad5bf4921fac5069Tom Care 1350e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar /// isSpecificBuiltinType - Test for a particular builtin type. 1351e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar bool isSpecificBuiltinType(unsigned K) const; 13521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13532a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// isPlaceholderType - Test for a type which does not represent an 13542a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// actual type-system type but is instead used as a placeholder for 13552a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// various convenient purposes within Clang. All such types are 13562a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// BuiltinTypes. 13572a984cad5ac3fdceeff2bd99daa7b90979313475John McCall bool isPlaceholderType() const; 13582a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 1359864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// isSpecificPlaceholderType - Test for a specific placeholder type. 1360864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall bool isSpecificPlaceholderType(unsigned K) const; 1361864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 136296d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isIntegerType() does *not* include complex integers (a GCC extension). 136396d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isComplexIntegerType() can be used to test for complex integers. 13645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIntegerType() const; // C99 6.2.5p17 (int, char, bool, enum) 136513b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isEnumeralType() const; 136613b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isBooleanType() const; 136713b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isCharType() const; 136877a52233f7c0f162672652051bfe78b65ad4f789Douglas Gregor bool isWideCharType() const; 136920093b4bf698f292c664676987541d5103b65b15Douglas Gregor bool isAnyCharacterType() const; 13709d3347a5887d2d25afe8b0bd35783a72ec86cce2Douglas Gregor bool isIntegralType(ASTContext &Ctx) const; 137120093b4bf698f292c664676987541d5103b65b15Douglas Gregor 13722ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor /// \brief Determine whether this type is an integral or enumeration type. 13732ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor bool isIntegralOrEnumerationType() const; 13741274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor /// \brief Determine whether this type is an integral or unscoped enumeration 13751274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor /// type. 13761274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor bool isIntegralOrUnscopedEnumerationType() const; 13772ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor 13785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Floating point categories. 13795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealFloatingType() const; // C99 6.2.5p10 (float, double, long double) 138002f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexType() does *not* include complex integers (a GCC extension). 138102f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexIntegerType() can be used to test for complex integers. 13825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isComplexType() const; // C99 6.2.5p11 (complex) 1383f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner bool isAnyComplexType() const; // C99 6.2.5p11 (complex) + Complex Int. 13845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isFloatingType() const; // C99 6.2.5p11 (real floating + complex) 13855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealType() const; // C99 6.2.5p17 (real floating + integer) 13865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArithmeticType() const; // C99 6.2.5p18 (integer + floating) 1387c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isVoidType() const; // C99 6.2.5p19 1388c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isDerivedType() const; // C99 6.2.5p20 1389c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isScalarType() const; // C99 6.2.5p21 (arithmetic + pointers) 1390d7eb846aaf5ee4a8d22c3cd0796d1e7229d46013Douglas Gregor bool isAggregateType() const; 1391aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth bool isFundamentalType() const; 1392aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth bool isCompoundType() const; 13931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1394c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Predicates: Check to see if this type is structurally the specified 1395ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb // type, ignoring typedefs and qualifiers. 1396c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isFunctionType() const; 1397183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionNoProtoType() const { return getAs<FunctionNoProtoType>(); } 1398183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionProtoType() const { return getAs<FunctionProtoType>(); } 1399befee48ff2a1dab236c5700f00ecca1cfdcd5837Chris Lattner bool isPointerType() const; 140058f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff bool isAnyPointerType() const; // Any C pointer or ObjC object pointer 14015618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff bool isBlockPointerType() const; 14027154a77e7c1f23418342d3b72836ab504aa7821eSteve Naroff bool isVoidPointerType() const; 1403a1d9fdea79ba7bbd71862b9f9f78f5f117331fc7Chris Lattner bool isReferenceType() const; 14047c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isLValueReferenceType() const; 14057c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isRValueReferenceType() const; 1406bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner bool isFunctionPointerType() const; 1407f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberPointerType() const; 1408f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberFunctionPointerType() const; 1409db68e28c05a67735211e688009890cf834c22e75Douglas Gregor bool isMemberDataPointerType() const; 1410c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isArrayType() const; 1411c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isConstantArrayType() const; 1412c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isIncompleteArrayType() const; 1413c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isVariableArrayType() const; 1414898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool isDependentSizedArrayType() const; 1415c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isRecordType() const; 14161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isClassType() const; 14171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isStructureType() const; 1418fb87b89fc9eb103e19fb8e4b925c23f0bd091b99Douglas Gregor bool isStructureOrClassType() const; 14194cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff bool isUnionType() const; 1420368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isComplexIntegerType() const; // GCC _Complex integer type. 1421368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isVectorType() const; // GCC vector type. 1422213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman bool isExtVectorType() const; // Extended vector type. 1423f85e193739c953358c865005855253af4f68a497John McCall bool isObjCObjectPointerType() const; // pointer to ObjC object 1424f85e193739c953358c865005855253af4f68a497John McCall bool isObjCRetainableType() const; // ObjC object or block pointer 1425f85e193739c953358c865005855253af4f68a497John McCall bool isObjCLifetimeType() const; // (array of)* retainable type 1426f85e193739c953358c865005855253af4f68a497John McCall bool isObjCIndirectLifetimeType() const; // (pointer to)* lifetime type 1427f85e193739c953358c865005855253af4f68a497John McCall bool isObjCNSObjectType() const; // __attribute__((NSObject)) 142814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // FIXME: change this to 'raw' interface type, so we can used 'interface' type 142914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for the common case. 1430c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCObjectType() const; // NSString or typeof(*(id)0) 1431368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedInterfaceType() const; // NSString<foo> 1432368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedIdType() const; // id<foo> 1433470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const; // Class<foo> 1434569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor bool isObjCObjectOrInterfaceType() const; 143514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const; // id 143614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const; // Class 143713dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian bool isObjCSelType() const; // Class 1438de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff bool isObjCBuiltinType() const; // 'id' or 'Class' 1439f85e193739c953358c865005855253af4f68a497John McCall bool isObjCARCBridgableType() const; 1440f85e193739c953358c865005855253af4f68a497John McCall bool isCARCBridgableType() const; 144172c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor bool isTemplateTypeParmType() const; // C++ template type parameter 14426e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl bool isNullPtrType() const; // C++0x nullptr_t 1443898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1444f85e193739c953358c865005855253af4f68a497John McCall /// Determines if this type, which must satisfy 1445f85e193739c953358c865005855253af4f68a497John McCall /// isObjCLifetimeType(), is implicitly __unsafe_unretained rather 1446f85e193739c953358c865005855253af4f68a497John McCall /// than implicitly __strong. 1447f85e193739c953358c865005855253af4f68a497John McCall bool isObjCARCImplicitlyUnretainedType() const; 1448f85e193739c953358c865005855253af4f68a497John McCall 1449f85e193739c953358c865005855253af4f68a497John McCall /// Return the implicit lifetime for this type, which must not be dependent. 1450f85e193739c953358c865005855253af4f68a497John McCall Qualifiers::ObjCLifetime getObjCARCImplicitLifetime() const; 1451f85e193739c953358c865005855253af4f68a497John McCall 1452daa8e4e888758d55a7a759dd4a91b83921cef222John McCall enum ScalarTypeKind { 1453daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Pointer, 1454daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_MemberPointer, 1455daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Bool, 1456daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Integral, 1457daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Floating, 1458daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_IntegralComplex, 1459daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_FloatingComplex 1460daa8e4e888758d55a7a759dd4a91b83921cef222John McCall }; 1461daa8e4e888758d55a7a759dd4a91b83921cef222John McCall /// getScalarTypeKind - Given that this is a scalar type, classify it. 1462daa8e4e888758d55a7a759dd4a91b83921cef222John McCall ScalarTypeKind getScalarTypeKind() const; 1463daa8e4e888758d55a7a759dd4a91b83921cef222John McCall 1464898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// isDependentType - Whether this type is a dependent type, meaning 14651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// that its definition somehow depends on a template parameter 1466898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// (C++ [temp.dep.type]). 1467b870b88df784c2940efce448ebfaf54dece14666John McCall bool isDependentType() const { return TypeBits.Dependent; } 146835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 1469561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// \brief Determine whether this type is an instantiation-dependent type, 1470561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// meaning that the type involves a template parameter (even if the 1471561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// definition does not actually depend on the type substituted for that 1472561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// template parameter). 1473561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool isInstantiationDependentType() const { 1474561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor return TypeBits.InstantiationDependent; 1475561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor } 1476561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor 147735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /// \brief Whether this type is a variably-modified type (C99 6.7.5). 1478b870b88df784c2940efce448ebfaf54dece14666John McCall bool isVariablyModifiedType() const { return TypeBits.VariablyModified; } 14793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 14803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// \brief Whether this type involves a variable-length array type 14813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// with a definite size. 14823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall bool hasSizedVLAType() const; 148335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 1484db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor /// \brief Whether this type is or contains a local or unnamed type. 1485db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor bool hasUnnamedOrLocalType() const; 1486db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor 1487063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor bool isOverloadableType() const; 148872c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 14894033642464e8ba0982f88f34cffad808d247b393Douglas Gregor /// \brief Determine wither this type is a C++ elaborated-type-specifier. 14904033642464e8ba0982f88f34cffad808d247b393Douglas Gregor bool isElaboratedTypeSpecifier() const; 1491bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth 1492bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth bool canDecayToPointerType() const; 14932b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor 14948958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// hasPointerRepresentation - Whether this type is represented 14958958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// natively as a pointer; this includes pointers, references, block 14968958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// pointers, and Objective-C interface, qualified id, and qualified 14976e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl /// interface types, as well as nullptr_t. 14988958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar bool hasPointerRepresentation() const; 14998958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 1500820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// hasObjCPointerRepresentation - Whether this type can represent 1501820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// an objective pointer type for the purpose of GC'ability 15021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool hasObjCPointerRepresentation() const; 1503820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 1504f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an integer representation 1505f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an integer type or a vector. 1506f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasIntegerRepresentation() const; 1507f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1508f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an signed integer representation 1509f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an signed integer type or a vector. 1510f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasSignedIntegerRepresentation() const; 1511f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1512f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an unsigned integer representation 1513f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an unsigned integer type or a vector. 1514f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasUnsignedIntegerRepresentation() const; 1515f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 15168eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// \brief Determine whether this type has a floating-point representation 15178eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// of some sort, e.g., it is a floating-point type or a vector thereof. 15188eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor bool hasFloatingRepresentation() const; 1519f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1520c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Checking Functions: Check to see if this type is structurally the 1521f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // specified type, ignoring typedefs and qualifiers, and return a pointer to 1522f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // the best type we can. 1523769c9cfc6e06bd9d8ffe7a4397b939f19b0e4dc3Ted Kremenek const RecordType *getAsStructureType() const; 1524898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// NOTE: getAs*ArrayType are methods on ASTContext. 1525c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner const RecordType *getAsUnionType() const; 15264cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff const ComplexType *getAsComplexIntegerType() const; // GCC complex int type. 152714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // The following is a convenience method that returns an ObjCObjectPointerType 152814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for object declared using an interface. 152914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCInterfacePointerType() const; 153014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCQualifiedIdType() const; 1531759abb4d9ec14ae32104a9677b60f0542b60d1d8Fariborz Jahanian const ObjCObjectPointerType *getAsObjCQualifiedClassType() const; 1532c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getAsObjCQualifiedInterfaceType() const; 1533a91d6a6619a91d0ca7102d8ab5678d855f04d850Fariborz Jahanian const CXXRecordDecl *getCXXRecordDeclForPointerType() const; 15341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1535c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// \brief Retrieves the CXXRecordDecl that this type refers to, either 1536c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// because the type is a RecordType or because it is the injected-class-name 1537c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// type of a class template or class template partial specialization. 1538c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor CXXRecordDecl *getAsCXXRecordDecl() const; 153934b41d939a1328f484511c6002ba2456db879a29Richard Smith 154034b41d939a1328f484511c6002ba2456db879a29Richard Smith /// \brief Get the AutoType whose type will be deduced for a variable with 154134b41d939a1328f484511c6002ba2456db879a29Richard Smith /// an initializer of this type. This looks through declarators like pointer 154234b41d939a1328f484511c6002ba2456db879a29Richard Smith /// types, but not through decltype or typedefs. 154334b41d939a1328f484511c6002ba2456db879a29Richard Smith AutoType *getContainedAutoType() const; 1544c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor 1545d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// Member-template getAs<specific type>'. Look through sugar for 1546d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// an instance of <specific type>. This scheme will eventually 1547d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// replace the specific getAsXXXX methods above. 1548d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// 1549d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// There are some specializations of this member template listed 1550d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// immediately following this class. 15511a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek template <typename T> const T *getAs() const; 15521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// A variant of getAs<> for array types which silently discards 15543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// qualifiers from the outermost type. 15553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *getAsArrayTypeUnsafe() const; 15563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 1557d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// Member-template castAs<specific type>. Look through sugar for 1558d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// the underlying instance of <specific type>. 1559d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// 1560d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// This method has the same relationship to getAs<T> as cast<T> has 1561d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// to dyn_cast<T>; which is to say, the underlying type *must* 1562d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// have the intended type, and this method will never return null. 1563d0370f59e79702ac908c81bf556519f91e9ca297John McCall template <typename T> const T *castAs() const; 1564d0370f59e79702ac908c81bf556519f91e9ca297John McCall 1565d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// A variant of castAs<> for array type which silently discards 1566d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// qualifiers from the outermost type. 1567d0370f59e79702ac908c81bf556519f91e9ca297John McCall const ArrayType *castAsArrayTypeUnsafe() const; 1568d0370f59e79702ac908c81bf556519f91e9ca297John McCall 1569d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// getBaseElementTypeUnsafe - Get the base element type of this 1570d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// type, potentially discarding type qualifiers. This method 1571d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// should never be used when type qualifiers are meaningful. 1572d0370f59e79702ac908c81bf556519f91e9ca297John McCall const Type *getBaseElementTypeUnsafe() const; 1573d0370f59e79702ac908c81bf556519f91e9ca297John McCall 1574c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// getArrayElementTypeNoTypeQual - If this is an array type, return the 1575c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// element type of the array, potentially with type qualifiers missing. 1576c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// This method should never be used when type qualifiers are meaningful. 1577c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const Type *getArrayElementTypeNoTypeQual() const; 15781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1579f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// getPointeeType - If this is a pointer, ObjC object pointer, or block 1580f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// pointer, this returns the respective pointee. 158114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const; 15821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1583bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// getUnqualifiedDesugaredType() - Return the specified type with 1584bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// any "sugar" removed from the type, removing any typedefs, 1585bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// typeofs, etc., as well as any qualifiers. 1586bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall const Type *getUnqualifiedDesugaredType() const; 15871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// More type predicates useful for type checking/promotion 15895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPromotableIntegerType() const; // C99 6.3.1.1p2 15905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isSignedIntegerType - Return true if this is an integer type that is 1592d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// signed, according to C99 6.2.5p4 [char, signed char, short, int, long..], 15935f3827cabd526d0dd5f291d46c310103cebe7a44Eli Friedman /// or an enum decl which has a signed representation. 15945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSignedIntegerType() const; 15955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isUnsignedIntegerType - Return true if this is an integer type that is 15975f3827cabd526d0dd5f291d46c310103cebe7a44Eli Friedman /// unsigned, according to C99 6.2.5p6 [which returns true for _Bool], 15985f3827cabd526d0dd5f291d46c310103cebe7a44Eli Friedman /// or an enum decl which has an unsigned representation. 15995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isUnsignedIntegerType() const; 1600d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner 1601575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor /// Determines whether this is an integer type that is signed or an 1602575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor /// enumeration types whose underlying type is a signed integer type. 1603575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor bool isSignedIntegerOrEnumerationType() const; 1604575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor 1605575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor /// Determines whether this is an integer type that is unsigned or an 1606575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor /// enumeration types whose underlying type is a unsigned integer type. 1607575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor bool isUnsignedIntegerOrEnumerationType() const; 1608575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor 16095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isConstantSizeType - Return true if this is not a variable sized type, 16109bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// according to the rules of C99 6.7.5p3. It is not legal to call this on 16119bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// incomplete types. 16123c2b3170041f69a92904e3bab9b6d654eaf260acEli Friedman bool isConstantSizeType() const; 1613c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 161422b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// isSpecifierType - Returns true if this type can be represented by some 161522b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// set of type specifiers. 161622b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman bool isSpecifierType() const; 161722b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman 16180b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor /// \brief Determine the linkage of this type. 161960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor Linkage getLinkage() const; 16201fb0caaa7bef765b85972274e3b434af2572c141John McCall 16211fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Determine the visibility of this type. 16221fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility getVisibility() const; 16231fb0caaa7bef765b85972274e3b434af2572c141John McCall 16241fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Determine the linkage and visibility of this type. 16251fb0caaa7bef765b85972274e3b434af2572c141John McCall std::pair<Linkage,Visibility> getLinkageAndVisibility() const; 162660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 162760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor /// \brief Note that the linkage is no longer known. 162860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor void ClearLinkageCache(); 162960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 163060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor const char *getTypeClassName() const; 16310b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1632ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall QualType getCanonicalTypeInternal() const { 1633ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall return CanonicalType; 1634ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall } 1635ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall CanQualType getCanonicalTypeUnqualified() const; // in CanonicalType.h 1636c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 1637f85e193739c953358c865005855253af4f68a497John McCall 16385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *) { return true; } 1639be191100e034b23a3e13053757a57b7f5068c24aArgyrios Kyrtzidis 1640c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; 1641a4232eb646d89e7d52424bb42eb87d9061f39e63Sebastian Redl friend class ASTWriter; 16425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 16435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1644183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const TypedefType *Type::getAs() const { 1645183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall return dyn_cast<TypedefType>(this); 1646183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1647183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1648183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// We can do canonical leaf types faster, because we don't have to 1649183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// worry about preserving child type decoration. 1650183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define TYPE(Class, Base) 1651183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define LEAF_TYPE(Class) \ 1652183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const Class##Type *Type::getAs() const { \ 16530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return dyn_cast<Class##Type>(CanonicalType); \ 1654d0370f59e79702ac908c81bf556519f91e9ca297John McCall} \ 1655d0370f59e79702ac908c81bf556519f91e9ca297John McCalltemplate <> inline const Class##Type *Type::castAs() const { \ 1656d0370f59e79702ac908c81bf556519f91e9ca297John McCall return cast<Class##Type>(CanonicalType); \ 1657183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1658183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#include "clang/AST/TypeNodes.def" 1659183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1660183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 16615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BuiltinType - This class is used for builtin types like 'int'. Builtin 16625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types are always canonical and have a literal name field. 16635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BuiltinType : public Type { 16645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 16655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Kind { 16665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Void, 16671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Bool, // This is bool and/or _Bool. 16695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_U, // This is 'char' for targets where char is unsigned. 16705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UChar, // This is explicitly qualified unsigned char. 16713f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner WChar_U, // This is 'wchar_t' for C++, when unsigned. 1672f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16, // This is 'char16_t' for C++. 1673f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32, // This is 'char32_t' for C++. 16745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UShort, 16755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UInt, 16765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULong, 16775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULongLong, 16782df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner UInt128, // __uint128_t 16791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_S, // This is 'char' for targets where char is signed. 16815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SChar, // This is explicitly qualified signed char. 16823f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner WChar_S, // This is 'wchar_t' for C++, when signed. 16835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Short, 16845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Int, 16855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Long, 16865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongLong, 16872df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner Int128, // __int128_t 16881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16898e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor Float, Double, LongDouble, 16908e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 16916e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl NullPtr, // This is the type of C++0x 'nullptr'. 16926e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 1693864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// The primitive Objective C 'id' type. The user-visible 'id' 1694864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// type is a typedef of an ObjCObjectPointerType to an 1695864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// ObjCObjectType with this as its base. In fact, this only ever 1696864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// shows up in an AST as the base type of an ObjCObjectType. 1697864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall ObjCId, 1698864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 1699864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// The primitive Objective C 'Class' type. The user-visible 1700864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// 'Class' type is a typedef of an ObjCObjectPointerType to an 1701864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// ObjCObjectType with this as its base. In fact, this only ever 1702864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// shows up in an AST as the base type of an ObjCObjectType. 1703864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall ObjCClass, 1704864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 1705864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// The primitive Objective C 'SEL' type. The user-visible 'SEL' 1706864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// type is a typedef of a PointerType to this. 1707864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall ObjCSel, 1708864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 17092a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// This represents the type of an expression whose type is 17102a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// totally unknown, e.g. 'T::foo'. It is permitted for this to 17112a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// appear in situations where the structure of the type is 17122a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// theoretically deducible. 17132a984cad5ac3fdceeff2bd99daa7b90979313475John McCall Dependent, 17142a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 1715864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// The type of an unresolved overload set. A placeholder type. 1716864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// Expressions with this type have one of the following basic 1717864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// forms, with parentheses generally permitted: 1718864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// foo # possibly qualified, not if an implicit access 1719864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// foo # possibly qualified, not if an implicit access 1720864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// &foo # possibly qualified, not if an implicit access 1721864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// x->foo # only if might be a static member function 1722864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// &x->foo # only if might be a static member function 1723864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// &Class::foo # when a pointer-to-member; sub-expr also has this type 1724864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// OverloadExpr::find can be used to analyze the expression. 17251de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall Overload, 17261de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall 1727864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// The type of a bound C++ non-static member function. 1728864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// A placeholder type. Expressions with this type have one of the 1729864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// following basic forms: 1730864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// foo # if an implicit access 1731864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// x->foo # if only contains non-static members 1732864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall BoundMember, 1733864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 1734864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// __builtin_any_type. A placeholder type. Useful for clients 1735864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// like debuggers that don't know what type to give something. 1736864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// Only a small number of operations are valid on expressions of 1737864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// unknown type, most notably explicit casts. 1738864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall UnknownAny 17395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 174071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 17415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 17421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BuiltinType(Kind K) 174335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(Builtin, QualType(), /*Dependent=*/(K == Dependent), 1744561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/(K == Dependent), 1745d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, 1746d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*Unexpanded paramter pack=*/false) { 1747b870b88df784c2940efce448ebfaf54dece14666John McCall BuiltinTypeBits.Kind = K; 174871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 17491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1750b870b88df784c2940efce448ebfaf54dece14666John McCall Kind getKind() const { return static_cast<Kind>(BuiltinTypeBits.Kind); } 1751e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const char *getName(const LangOptions &LO) const; 17521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1753bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1754bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1755bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1756680523a91dd3351389667c8de17121ba7ae82673John McCall bool isInteger() const { 175771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Bool && getKind() <= Int128; 1758680523a91dd3351389667c8de17121ba7ae82673John McCall } 1759680523a91dd3351389667c8de17121ba7ae82673John McCall 1760680523a91dd3351389667c8de17121ba7ae82673John McCall bool isSignedInteger() const { 176171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Char_S && getKind() <= Int128; 1762680523a91dd3351389667c8de17121ba7ae82673John McCall } 1763680523a91dd3351389667c8de17121ba7ae82673John McCall 1764680523a91dd3351389667c8de17121ba7ae82673John McCall bool isUnsignedInteger() const { 176571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Bool && getKind() <= UInt128; 1766680523a91dd3351389667c8de17121ba7ae82673John McCall } 1767680523a91dd3351389667c8de17121ba7ae82673John McCall 1768680523a91dd3351389667c8de17121ba7ae82673John McCall bool isFloatingPoint() const { 176971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Float && getKind() <= LongDouble; 1770680523a91dd3351389667c8de17121ba7ae82673John McCall } 1771680523a91dd3351389667c8de17121ba7ae82673John McCall 1772864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// Determines whether this type is a placeholder type, i.e. a type 1773864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// which cannot appear in arbitrary positions in a fully-formed 1774864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// expression. 17752a984cad5ac3fdceeff2bd99daa7b90979313475John McCall bool isPlaceholderType() const { 1776864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall return getKind() >= Overload; 17772a984cad5ac3fdceeff2bd99daa7b90979313475John McCall } 17782a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 17795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Builtin; } 17805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BuiltinType *) { return true; } 17815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 17825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ComplexType - C99 6.2.5p11 - Complex values. This supports the C99 complex 17845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types (_Complex float etc) as well as the GCC integer complex extensions. 17855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 17865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ComplexType : public Type, public llvm::FoldingSetNode { 17875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 17885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType(QualType Element, QualType CanonicalPtr) : 178935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Complex, CanonicalPtr, Element->isDependentType(), 1790561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Element->isInstantiationDependentType(), 1791d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Element->isVariablyModifiedType(), 1792d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Element->containsUnexpandedParameterPack()), 1793898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ElementType(Element) { 17945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 17955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 179660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 17975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 17985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 17991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1800bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1801bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1802bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 18035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 18045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getElementType()); 18055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Element) { 18075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Element.getAsOpaquePtr()); 18085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Complex; } 18115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ComplexType *) { return true; } 18125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 18135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1814075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara/// ParenType - Sugar for parentheses used when specifying types. 1815075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara/// 1816075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnaraclass ParenType : public Type, public llvm::FoldingSetNode { 1817075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType Inner; 1818075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1819075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType(QualType InnerType, QualType CanonType) : 1820075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Type(Paren, CanonType, InnerType->isDependentType(), 1821561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor InnerType->isInstantiationDependentType(), 1822d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor InnerType->isVariablyModifiedType(), 1823d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor InnerType->containsUnexpandedParameterPack()), 1824075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Inner(InnerType) { 1825075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1826075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara friend class ASTContext; // ASTContext creates these. 1827075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1828075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnarapublic: 1829075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1830075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType getInnerType() const { return Inner; } 1831075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1832075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara bool isSugared() const { return true; } 1833075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType desugar() const { return getInnerType(); } 1834075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1835075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara void Profile(llvm::FoldingSetNodeID &ID) { 1836075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Profile(ID, getInnerType()); 1837075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1838075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static void Profile(llvm::FoldingSetNodeID &ID, QualType Inner) { 1839075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Inner.Profile(ID); 1840075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1841075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1842075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static bool classof(const Type *T) { return T->getTypeClass() == Paren; } 1843075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static bool classof(const ParenType *) { return true; } 1844075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara}; 1845075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 184668694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar/// PointerType - C99 6.7.5.1 - Pointer Declarators. 1847bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner/// 184868694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass PointerType : public Type, public llvm::FoldingSetNode { 1849bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner QualType PointeeType; 18505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType(QualType Pointee, QualType CanonicalPtr) : 185235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Pointer, CanonicalPtr, Pointee->isDependentType(), 1853561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Pointee->isInstantiationDependentType(), 1854d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->isVariablyModifiedType(), 1855d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->containsUnexpandedParameterPack()), 185635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor PointeeType(Pointee) { 18575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 185960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 18605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 18611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 186268694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType getPointeeType() const { return PointeeType; } 186368694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 1864bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1865bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1866bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 18675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 18685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getPointeeType()); 18695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 18715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Pointee.getAsOpaquePtr()); 18725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Pointer; } 18755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const PointerType *) { return true; } 18765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 18775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18785618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// BlockPointerType - pointer to a block type. 18795618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// This type is to represent types syntactically represented as 18805618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// "void (^)(int)", etc. Pointee is required to always be a function type. 18815618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// 18825618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffclass BlockPointerType : public Type, public llvm::FoldingSetNode { 18835618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType PointeeType; // Block is some kind of pointer type 18845618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType(QualType Pointee, QualType CanonicalCls) : 188535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(BlockPointer, CanonicalCls, Pointee->isDependentType(), 1886561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Pointee->isInstantiationDependentType(), 1887d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->isVariablyModifiedType(), 1888d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->containsUnexpandedParameterPack()), 1889898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor PointeeType(Pointee) { 18905618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 18915618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff friend class ASTContext; // ASTContext creates these. 189260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 18935618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffpublic: 18941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18955618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the pointee type. Pointee is required to always be a function type. 18965618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getPointeeType() const { return PointeeType; } 18975618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 1898bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1899bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1900bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 19015618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 19025618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Profile(ID, getPointeeType()); 19035618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 19045618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 19055618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff ID.AddPointer(Pointee.getAsOpaquePtr()); 19065618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 19071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 19091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == BlockPointer; 19105618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 19115618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static bool classof(const BlockPointerType *) { return true; } 19125618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff}; 19135618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 19147c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// ReferenceType - Base for LValueReferenceType and RValueReferenceType 19155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 191668694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass ReferenceType : public Type, public llvm::FoldingSetNode { 191768694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType PointeeType; 191868694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 19197c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlprotected: 192054e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(TypeClass tc, QualType Referencee, QualType CanonicalRef, 192154e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 192235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(tc, CanonicalRef, Referencee->isDependentType(), 1923561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Referencee->isInstantiationDependentType(), 1924d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Referencee->isVariablyModifiedType(), 1925d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Referencee->containsUnexpandedParameterPack()), 1926d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor PointeeType(Referencee) 1927d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor { 1928b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBits.SpelledAsLValue = SpelledAsLValue; 1929b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBits.InnerRef = Referencee->isReferenceType(); 19305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 193160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 19325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1933b870b88df784c2940efce448ebfaf54dece14666John McCall bool isSpelledAsLValue() const { return ReferenceTypeBits.SpelledAsLValue; } 1934b870b88df784c2940efce448ebfaf54dece14666John McCall bool isInnerRef() const { return ReferenceTypeBits.InnerRef; } 193573dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 193654e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeTypeAsWritten() const { return PointeeType; } 193754e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeType() const { 193854e14c4db764c0636160d26c5bbf491637c83a76John McCall // FIXME: this might strip inner qualifiers; okay? 193954e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *T = this; 194071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall while (T->isInnerRef()) 1941d0370f59e79702ac908c81bf556519f91e9ca297John McCall T = T->PointeeType->castAs<ReferenceType>(); 194254e14c4db764c0636160d26c5bbf491637c83a76John McCall return T->PointeeType; 194354e14c4db764c0636160d26c5bbf491637c83a76John McCall } 194468694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 19455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 194671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Profile(ID, PointeeType, isSpelledAsLValue()); 19475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 194854e14c4db764c0636160d26c5bbf491637c83a76John McCall static void Profile(llvm::FoldingSetNodeID &ID, 194954e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Referencee, 195054e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) { 19515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Referencee.getAsOpaquePtr()); 195254e14c4db764c0636160d26c5bbf491637c83a76John McCall ID.AddBoolean(SpelledAsLValue); 19535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19557c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 19567c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference || 19577c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl T->getTypeClass() == RValueReference; 19587c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 19595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReferenceType *) { return true; } 19607c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 19617c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 19627c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// LValueReferenceType - C++ [dcl.ref] - Lvalue reference 19637c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 19647c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass LValueReferenceType : public ReferenceType { 196554e14c4db764c0636160d26c5bbf491637c83a76John McCall LValueReferenceType(QualType Referencee, QualType CanonicalRef, 196654e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 196754e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(LValueReference, Referencee, CanonicalRef, SpelledAsLValue) 196854e14c4db764c0636160d26c5bbf491637c83a76John McCall {} 19697c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 19707c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 1971bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1972bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1973bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 19747c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 19757c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference; 19767c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 19777c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const LValueReferenceType *) { return true; } 19787c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 19797c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 19807c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// RValueReferenceType - C++0x [dcl.ref] - Rvalue reference 19817c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 19827c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass RValueReferenceType : public ReferenceType { 19837c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType(QualType Referencee, QualType CanonicalRef) : 198454e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(RValueReference, Referencee, CanonicalRef, false) { 19857c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 19867c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 19877c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 1988bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1989bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1990bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 19917c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 19927c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == RValueReference; 19937c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 19947c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const RValueReferenceType *) { return true; } 1995f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl}; 1996f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1997f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// MemberPointerType - C++ 8.3.3 - Pointers to members 1998f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// 1999f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlclass MemberPointerType : public Type, public llvm::FoldingSetNode { 2000f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType PointeeType; 2001f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// The class of which the pointee is a member. Must ultimately be a 2002f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// RecordType, but could be a typedef or a template parameter too. 2003f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class; 2004f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 2005f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType(QualType Pointee, const Type *Cls, QualType CanonicalPtr) : 2006f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Type(MemberPointer, CanonicalPtr, 200735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Cls->isDependentType() || Pointee->isDependentType(), 2008561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor (Cls->isInstantiationDependentType() || 2009561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Pointee->isInstantiationDependentType()), 2010d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->isVariablyModifiedType(), 2011d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor (Cls->containsUnexpandedParameterPack() || 2012d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->containsUnexpandedParameterPack())), 2013f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl PointeeType(Pointee), Class(Cls) { 2014f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 2015f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl friend class ASTContext; // ASTContext creates these. 201660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 2017f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlpublic: 2018f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getPointeeType() const { return PointeeType; } 2019f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 20200bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Returns true if the member type (i.e. the pointee type) is a 20210bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// function type rather than a data-member type. 20220bab0cdab751248ca389a5592bcb70eac5d39260John McCall bool isMemberFunctionPointer() const { 20230bab0cdab751248ca389a5592bcb70eac5d39260John McCall return PointeeType->isFunctionProtoType(); 20240bab0cdab751248ca389a5592bcb70eac5d39260John McCall } 20250bab0cdab751248ca389a5592bcb70eac5d39260John McCall 20260bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Returns true if the member type (i.e. the pointee type) is a 20270bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// data type rather than a function type. 20280bab0cdab751248ca389a5592bcb70eac5d39260John McCall bool isMemberDataPointer() const { 20290bab0cdab751248ca389a5592bcb70eac5d39260John McCall return !PointeeType->isFunctionProtoType(); 20300bab0cdab751248ca389a5592bcb70eac5d39260John McCall } 20310bab0cdab751248ca389a5592bcb70eac5d39260John McCall 2032f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *getClass() const { return Class; } 2033f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 2034bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2035bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2036bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2037f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void Profile(llvm::FoldingSetNodeID &ID) { 2038f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Profile(ID, getPointeeType(), getClass()); 2039f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 2040f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee, 2041f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class) { 2042f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Pointee.getAsOpaquePtr()); 2043f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Class); 2044f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 2045f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 2046f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const Type *T) { 2047f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return T->getTypeClass() == MemberPointer; 2048f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 2049f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const MemberPointerType *) { return true; } 20505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 20515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArrayType - C99 6.7.5.2 - Array Declarators. 20535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 20542e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ArrayType : public Type, public llvm::FoldingSetNode { 20555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 20565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ArraySizeModifier - Capture whether this is a normal array (e.g. int X[4]) 2057898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// an array with a static size (e.g. int X[static 4]), or an array 2058898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// with a star size (e.g. int X[*]). 2059898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// 'static' is only allowed on function parameters. 20605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum ArraySizeModifier { 20615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Normal, Static, Star 20625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 20635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 2064fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff /// ElementType - The element type of the array. 2065fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType ElementType; 20661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2067fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffprotected: 2068898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // C++ [temp.dep.type]p1: 2069898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // A type is dependent if it is... 2070898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // - an array type constructed from any dependent type or whose 2071898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // size is specified by a constant expression that is 2072898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // value-dependent, 2073c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType(TypeClass tc, QualType et, QualType can, 2074d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ArraySizeModifier sm, unsigned tq, 2075d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool ContainsUnexpandedParameterPack) 207635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(tc, can, et->isDependentType() || tc == DependentSizedArray, 2077561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor et->isInstantiationDependentType() || tc == DependentSizedArray, 2078d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor (tc == VariableArray || et->isVariablyModifiedType()), 2079d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ContainsUnexpandedParameterPack), 208071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ElementType(et) { 2081b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBits.IndexTypeQuals = tq; 2082b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBits.SizeModifier = sm; 208371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2084898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2085fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 208660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 2087fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 2088fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType getElementType() const { return ElementType; } 2089ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek ArraySizeModifier getSizeModifier() const { 2090b870b88df784c2940efce448ebfaf54dece14666John McCall return ArraySizeModifier(ArrayTypeBits.SizeModifier); 2091ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek } 20920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getIndexTypeQualifiers() const { 209371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Qualifiers::fromCVRMask(getIndexTypeCVRQualifiers()); 209471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 209571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall unsigned getIndexTypeCVRQualifiers() const { 2096b870b88df784c2940efce448ebfaf54dece14666John McCall return ArrayTypeBits.IndexTypeQuals; 20970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 20981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2099fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const Type *T) { 2100fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff return T->getTypeClass() == ConstantArray || 2101c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman T->getTypeClass() == VariableArray || 2102898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == IncompleteArray || 2103898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == DependentSizedArray; 2104fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 2105fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ArrayType *) { return true; } 2106fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 2107fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 21087e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// ConstantArrayType - This class represents the canonical version of 21097e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// C arrays with a specified constant size. For example, the canonical 21107e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type for 'int A[4 + 4*100]' is a ConstantArrayType where the element 21117e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type is 'int' and the size is 404. 21122e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ConstantArrayType : public ArrayType { 2113fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff llvm::APInt Size; // Allows us to unique the type. 21141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21150be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType(QualType et, QualType can, const llvm::APInt &size, 2116c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArraySizeModifier sm, unsigned tq) 2117d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(ConstantArray, et, can, sm, tq, 2118d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor et->containsUnexpandedParameterPack()), 21197e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Size(size) {} 21207e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregorprotected: 21217e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ConstantArrayType(TypeClass tc, QualType et, QualType can, 21227e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor const llvm::APInt &size, ArraySizeModifier sm, unsigned tq) 2123d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(tc, et, can, sm, tq, et->containsUnexpandedParameterPack()), 2124d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Size(size) {} 2125fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 2126fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 2127c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const llvm::APInt &getSize() const { return Size; } 2128bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2129bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2130bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 21312767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 21322767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the number of bits required to address a member of 21332767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor // an array with the given element type and number of elements. 21342767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getNumAddressingBits(ASTContext &Context, 21352767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor QualType ElementType, 21362767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor const llvm::APInt &NumElements); 21372767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 21382767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the maximum number of active bits that an array's size 21392767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// can require, which limits the maximum size of the array. 21402767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getMaxSizeBits(ASTContext &Context); 21412767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 2142fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 21431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, getElementType(), getSize(), 21440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers()); 2145fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 2146fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 21470be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner const llvm::APInt &ArraySize, ArraySizeModifier SizeMod, 21480be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner unsigned TypeQuals) { 2149fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddPointer(ET.getAsOpaquePtr()); 2150fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddInteger(ArraySize.getZExtValue()); 21510be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 21520be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 2153fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 21547e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor static bool classof(const Type *T) { 215546a617a792bfab0d9b1e057371ea3b9540802226John McCall return T->getTypeClass() == ConstantArray; 2156fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 2157fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ConstantArrayType *) { return true; } 2158fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 2159fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 2160da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// IncompleteArrayType - This class represents C arrays with an unspecified 2161da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// size. For example 'int A[]' has an IncompleteArrayType where the element 2162da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// type is 'int' and the size is unspecified. 2163c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanclass IncompleteArrayType : public ArrayType { 21647e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 2165c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType(QualType et, QualType can, 21667e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq) 2167d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(IncompleteArray, et, can, sm, tq, 2168d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor et->containsUnexpandedParameterPack()) {} 2169c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class ASTContext; // ASTContext creates these. 2170c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanpublic: 2171bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2172bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2173bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 21741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 21751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == IncompleteArray; 2176c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 2177c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman static bool classof(const IncompleteArrayType *) { return true; } 21781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2179c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class StmtIteratorBase; 21801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2181c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void Profile(llvm::FoldingSetNodeID &ID) { 21820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Profile(ID, getElementType(), getSizeModifier(), 21830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getIndexTypeCVRQualifiers()); 2184c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 21851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21860be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 21870be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ArraySizeModifier SizeMod, unsigned TypeQuals) { 2188c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ID.AddPointer(ET.getAsOpaquePtr()); 21890be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 21900be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 2191c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 2192c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman}; 2193c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 2194da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// VariableArrayType - This class represents C arrays with a specified size 2195da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// which is not an integer-constant-expression. For example, 'int s[x+foo()]'. 2196da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Since the size expression is an arbitrary expression, we store it as such. 2197da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 2198da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Note: VariableArrayType's aren't uniqued (since the expressions aren't) and 2199da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// should not be: two lexically equivalent variable array types could mean 2200da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// different things, for example, these variables do not have the same type 2201da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// dynamically: 2202da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 2203da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// void foo(int x) { 2204da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Y[x]; 2205da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// ++x; 2206da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Z[x]; 2207da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// } 2208da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 22092e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass VariableArrayType : public ArrayType { 22101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// SizeExpr - An assignment expression. VLA's are only permitted within 22111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// a function block. 2212b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek Stmt *SizeExpr; 22137e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 22147e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 22157e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 2216c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff VariableArrayType(QualType et, QualType can, Expr *e, 22177e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq, 22187e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange brackets) 2219d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(VariableArray, et, can, sm, tq, 2220d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor et->containsUnexpandedParameterPack()), 22217e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SizeExpr((Stmt*) e), Brackets(brackets) {} 22225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 22234b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 22245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 22251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 2226b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // We use C-style casts instead of cast<> here because we do not wish 2227b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // to have a dependency of Type.h on Stmt.h/Expr.h. 2228b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek return (Expr*) SizeExpr; 2229b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek } 22307e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 22317e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 22327e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 22331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2234bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2235bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2236bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 22371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 22381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == VariableArray; 22395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2240fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const VariableArrayType *) { return true; } 22411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 224292866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek friend class StmtIteratorBase; 22431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22442bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) { 2245fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner assert(0 && "Cannot unique VariableArrayTypes."); 22462bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 22475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 22485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2249898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// DependentSizedArrayType - This type represents an array type in 2250898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// C++ whose size is a value-dependent expression. For example: 2251cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 2252cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \code 22531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// template<typename T, int Size> 2254898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// class array { 2255898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// T data[Size]; 2256898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// }; 2257cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \endcode 2258cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 2259898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// For these types, we won't actually know what the array bound is 2260898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// until template instantiation occurs, at which point this will 2261898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// become either a ConstantArrayType or a VariableArrayType. 2262898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorclass DependentSizedArrayType : public ArrayType { 22634ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 22641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2265cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// \brief An assignment expression that will instantiate to the 2266898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// size of the array. 2267cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// 2268cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// The expression itself might be NULL, in which case the array 2269cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// type will have its size deduced from an initializer. 2270898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Stmt *SizeExpr; 2271cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 22727e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 22737e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 22741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22754ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentSizedArrayType(const ASTContext &Context, QualType et, QualType can, 227604d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor Expr *e, ArraySizeModifier sm, unsigned tq, 2277d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor SourceRange brackets); 2278d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2279898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class ASTContext; // ASTContext creates these. 2280898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2281898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorpublic: 22821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 2283898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // We use C-style casts instead of cast<> here because we do not wish 2284898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // to have a dependency of Type.h on Stmt.h/Expr.h. 2285898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return (Expr*) SizeExpr; 2286898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 22877e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 22887e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 22897e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 22901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2291bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2292bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2293bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 22941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 22951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedArray; 2296898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 2297898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool classof(const DependentSizedArrayType *) { return true; } 22981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2299898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class StmtIteratorBase; 23001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2302898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 23031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, Context, getElementType(), 23040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers(), getSizeExpr()); 2305898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 23061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23074ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 23081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType ET, ArraySizeModifier SizeMod, 230904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor unsigned TypeQuals, Expr *E); 2310898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor}; 2311898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2312f6ddb737cb882ffbf0b75a9abd50b930cc2b9068Douglas Gregor/// DependentSizedExtVectorType - This type represent an extended vector type 23139cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// where either the type or size is dependent. For example: 23149cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @code 23159cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// template<typename T, int Size> 23169cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// class vector { 23179cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// typedef T __attribute__((ext_vector_type(Size))) type; 23189cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// } 23199cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @endcode 23202ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregorclass DependentSizedExtVectorType : public Type, public llvm::FoldingSetNode { 23214ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 23229cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr; 23239cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// ElementType - The element type of the array. 23249cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType ElementType; 23259cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation loc; 23261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23274ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentSizedExtVectorType(const ASTContext &Context, QualType ElementType, 2328d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor QualType can, Expr *SizeExpr, SourceLocation loc); 2329d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 23309cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor friend class ASTContext; 23319cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 23329cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregorpublic: 23332ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Expr *getSizeExpr() const { return SizeExpr; } 23349cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType getElementType() const { return ElementType; } 23359cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation getAttributeLoc() const { return loc; } 23369cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 2337bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2338bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2339bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 23401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 23411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedExtVector; 23429cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor } 23431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const DependentSizedExtVectorType *) { return true; } 23442ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor 23452ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 23462ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Profile(ID, Context, getElementType(), getSizeExpr()); 23472ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 23481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23494ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 23502ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType ElementType, Expr *SizeExpr); 23519cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor}; 23521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23539cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 235473322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// VectorType - GCC generic vector type. This type is created using 23551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// __attribute__((vector_size(n)), where "n" specifies the vector size in 235682287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// bytes; or from an Altivec __vector or vector declaration. 235782287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// Since the constructor takes the number of vector elements, the 235873322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// client is responsible for converting the size into the number of elements. 23595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass VectorType : public Type, public llvm::FoldingSetNode { 2360788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattnerpublic: 2361e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson enum VectorKind { 2362e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson GenericVector, // not a target-specific vector type 2363e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecVector, // is AltiVec vector 2364e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecPixel, // is AltiVec 'vector Pixel' 2365e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecBool, // is AltiVec 'vector bool ...' 2366491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson NeonVector, // is ARM Neon vector 2367491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson NeonPolyVector // is ARM Neon polynomial vector 2368788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner }; 236973322924127c873c13101b705dd823f5539ffa5fSteve Naroffprotected: 23705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ElementType - The element type of the vector. 23715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 23721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 237382287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType(QualType vecType, unsigned nElements, QualType canonType, 2374d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor VectorKind vecKind); 237535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 23761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump VectorType(TypeClass tc, QualType vecType, unsigned nElements, 2377d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor QualType canonType, VectorKind vecKind); 2378d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 23795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 238060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 23815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 23821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 2384b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getNumElements() const { return VectorTypeBits.NumElements; } 23855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2386bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2387bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2388bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2389e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorKind getVectorKind() const { 2390e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson return VectorKind(VectorTypeBits.VecKind); 239171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2392788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 23935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 239471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Profile(ID, getElementType(), getNumElements(), 2395e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson getTypeClass(), getVectorKind()); 23965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 23971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ElementType, 239882287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson unsigned NumElements, TypeClass TypeClass, 2399e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorKind VecKind) { 24005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ElementType.getAsOpaquePtr()); 24015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddInteger(NumElements); 240273322924127c873c13101b705dd823f5539ffa5fSteve Naroff ID.AddInteger(TypeClass); 2403e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson ID.AddInteger(VecKind); 240473322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 24050b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 24061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 24071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == Vector || T->getTypeClass() == ExtVector; 24085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 24095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const VectorType *) { return true; } 24105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 24115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2412213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// ExtVectorType - Extended vector type. This type is created using 2413213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// __attribute__((ext_vector_type(n)), where "n" is the number of elements. 2414213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// Unlike vector_size, ext_vector_type is only allowed on typedef's. This 2415fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// class enables syntactic extensions, like Vector Components for accessing 2416fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// points, colors, and textures (modeled after OpenGL Shading Language). 2417213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemanclass ExtVectorType : public VectorType { 2418213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman ExtVectorType(QualType vecType, unsigned nElements, QualType canonType) : 2419e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType(ExtVector, vecType, nElements, canonType, GenericVector) {} 242073322924127c873c13101b705dd823f5539ffa5fSteve Naroff friend class ASTContext; // ASTContext creates these. 242173322924127c873c13101b705dd823f5539ffa5fSteve Naroffpublic: 242288dca0464804b8b26ae605f89784c927e8493dddChris Lattner static int getPointAccessorIdx(char c) { 242388dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 242488dca0464804b8b26ae605f89784c927e8493dddChris Lattner default: return -1; 242588dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'x': return 0; 242688dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'y': return 1; 242788dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'z': return 2; 242888dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'w': return 3; 242988dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 2430e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 2431353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman static int getNumericAccessorIdx(char c) { 243288dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 2433353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman default: return -1; 2434353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '0': return 0; 2435353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '1': return 1; 2436353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '2': return 2; 2437353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '3': return 3; 2438353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '4': return 4; 2439353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '5': return 5; 2440353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '6': return 6; 2441353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '7': return 7; 2442353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '8': return 8; 2443353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '9': return 9; 2444131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'A': 2445353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'a': return 10; 2446131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'B': 2447353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'b': return 11; 2448131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'C': 2449353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'c': return 12; 2450131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'D': 2451353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'd': return 13; 2452131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'E': 2453353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'e': return 14; 2454131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'F': 2455353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'f': return 15; 245688dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 2457e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 24581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2459b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner static int getAccessorIdx(char c) { 2460b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getPointAccessorIdx(c)+1) return idx-1; 2461353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman return getNumericAccessorIdx(c); 2462b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner } 24631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 246488dca0464804b8b26ae605f89784c927e8493dddChris Lattner bool isAccessorWithinNumElements(char c) const { 2465b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getAccessorIdx(c)+1) 246671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return unsigned(idx-1) < getNumElements(); 246788dca0464804b8b26ae605f89784c927e8493dddChris Lattner return false; 2468e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 2469bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2470bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2471bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 24721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 24731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ExtVector; 247473322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 2475213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman static bool classof(const ExtVectorType *) { return true; } 247673322924127c873c13101b705dd823f5539ffa5fSteve Naroff}; 247773322924127c873c13101b705dd823f5539ffa5fSteve Naroff 24785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// FunctionType - C99 6.7.5.3 - Function Declarators. This is the common base 247972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// class of FunctionNoProtoType and FunctionProtoType. 24805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 24815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FunctionType : public Type { 24825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // The type returned by the function. 24835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ResultType; 2484264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2485264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 2486373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// ExtInfo - A class which abstracts out some details necessary for 2487373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// making a call. 2488373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// 2489373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// It is not actually used directly for storing this information in 2490373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// a FunctionType, although FunctionType does currently use the 2491373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// same bit-pattern. 2492373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// 2493075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // If you add a field (say Foo), other than the obvious places (both, 2494075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // constructors, compile failures), what you need to update is 2495075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // * Operator== 2496425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * getFoo 2497425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * withFoo 2498425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * functionType. Add Foo, getFoo. 2499425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::getFooType 2500425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::mergeFunctionTypes 2501425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionNoProtoType::Profile 2502425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionProtoType::Profile 2503425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * TypePrinter::PrintFunctionProto 25043c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // * AST read and write 2505425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * Codegen 2506264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola class ExtInfo { 25077e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor // Feel free to rearrange or add bits, but if you go over 8, 2508373920bd733b1d28fe7bf209945a62eb9248d948John McCall // you'll need to adjust both the Bits field below and 2509373920bd733b1d28fe7bf209945a62eb9248d948John McCall // Type::FunctionTypeBitfields. 2510373920bd733b1d28fe7bf209945a62eb9248d948John McCall 25117e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor // | CC |noreturn|produces|regparm| 25127e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor // |0 .. 2| 3 | 4 | 5 .. 7| 25137e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor // 25147e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor // regparm is either 0 (no regparm attribute) or the regparm value+1. 2515b870b88df784c2940efce448ebfaf54dece14666John McCall enum { CallConvMask = 0x7 }; 2516b870b88df784c2940efce448ebfaf54dece14666John McCall enum { NoReturnMask = 0x8 }; 2517f85e193739c953358c865005855253af4f68a497John McCall enum { ProducesResultMask = 0x10 }; 2518f85e193739c953358c865005855253af4f68a497John McCall enum { RegParmMask = ~(CallConvMask | NoReturnMask | ProducesResultMask), 25197e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor RegParmOffset = 5 }; // Assumed to be the last field 2520b870b88df784c2940efce448ebfaf54dece14666John McCall 2521f85e193739c953358c865005855253af4f68a497John McCall uint16_t Bits; 252271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 2523f85e193739c953358c865005855253af4f68a497John McCall ExtInfo(unsigned Bits) : Bits(static_cast<uint16_t>(Bits)) {} 252471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 252571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall friend class FunctionType; 252671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 2527264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 2528264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with no defaults. Use this when you know that you 25293c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // have all the elements (when reading an AST file for example). 2530f85e193739c953358c865005855253af4f68a497John McCall ExtInfo(bool noReturn, bool hasRegParm, unsigned regParm, CallingConv cc, 2531f85e193739c953358c865005855253af4f68a497John McCall bool producesResult) { 25327e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor assert((!hasRegParm || regParm < 7) && "Invalid regparm value"); 2533b870b88df784c2940efce448ebfaf54dece14666John McCall Bits = ((unsigned) cc) | 2534b870b88df784c2940efce448ebfaf54dece14666John McCall (noReturn ? NoReturnMask : 0) | 2535f85e193739c953358c865005855253af4f68a497John McCall (producesResult ? ProducesResultMask : 0) | 25367e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor (hasRegParm ? ((regParm + 1) << RegParmOffset) : 0); 253771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2538264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2539264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with all defaults. Use when for example creating a 2540264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // function know to use defaults. 254171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo() : Bits(0) {} 2542264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2543b870b88df784c2940efce448ebfaf54dece14666John McCall bool getNoReturn() const { return Bits & NoReturnMask; } 2544f85e193739c953358c865005855253af4f68a497John McCall bool getProducesResult() const { return Bits & ProducesResultMask; } 25457e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor bool getHasRegParm() const { return (Bits >> RegParmOffset) != 0; } 25467e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor unsigned getRegParm() const { 25477e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor unsigned RegParm = Bits >> RegParmOffset; 25487e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor if (RegParm > 0) 25497e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor --RegParm; 25507e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor return RegParm; 25517e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor } 2552b870b88df784c2940efce448ebfaf54dece14666John McCall CallingConv getCC() const { return CallingConv(Bits & CallConvMask); } 2553264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 255471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool operator==(ExtInfo Other) const { 255571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Bits == Other.Bits; 2556264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 255771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool operator!=(ExtInfo Other) const { 255871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Bits != Other.Bits; 2559264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2560264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2561264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Note that we don't have setters. That is by design, use 2562264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // the following with methods instead of mutating these objects. 2563264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2564264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withNoReturn(bool noReturn) const { 256571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall if (noReturn) 256671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return ExtInfo(Bits | NoReturnMask); 256771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall else 256871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return ExtInfo(Bits & ~NoReturnMask); 2569425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola } 2570425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 2571f85e193739c953358c865005855253af4f68a497John McCall ExtInfo withProducesResult(bool producesResult) const { 2572f85e193739c953358c865005855253af4f68a497John McCall if (producesResult) 2573f85e193739c953358c865005855253af4f68a497John McCall return ExtInfo(Bits | ProducesResultMask); 2574f85e193739c953358c865005855253af4f68a497John McCall else 2575f85e193739c953358c865005855253af4f68a497John McCall return ExtInfo(Bits & ~ProducesResultMask); 2576f85e193739c953358c865005855253af4f68a497John McCall } 2577f85e193739c953358c865005855253af4f68a497John McCall 2578425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola ExtInfo withRegParm(unsigned RegParm) const { 25797e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor assert(RegParm < 7 && "Invalid regparm value"); 2580f85e193739c953358c865005855253af4f68a497John McCall return ExtInfo((Bits & ~RegParmMask) | 25817e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor ((RegParm + 1) << RegParmOffset)); 2582264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2583264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2584264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withCallingConv(CallingConv cc) const { 2585b870b88df784c2940efce448ebfaf54dece14666John McCall return ExtInfo((Bits & ~CallConvMask) | (unsigned) cc); 2586264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2587264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2588e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall void Profile(llvm::FoldingSetNodeID &ID) const { 258971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ID.AddInteger(Bits); 259071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2591264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola }; 2592264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 25935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 2594e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionType(TypeClass tc, QualType res, bool variadic, 2595c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor unsigned typeQuals, RefQualifierKind RefQualifier, 2596c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor QualType Canonical, bool Dependent, 2597561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool InstantiationDependent, 2598d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool VariablyModified, bool ContainsUnexpandedParameterPack, 2599d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ExtInfo Info) 2600561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(tc, Canonical, Dependent, InstantiationDependent, VariablyModified, 2601d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ContainsUnexpandedParameterPack), 2602d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ResultType(res) { 2603b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.ExtInfo = Info.Bits; 2604e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionTypeBits.Variadic = variadic; 2605b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.TypeQuals = typeQuals; 2606c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor FunctionTypeBits.RefQualifier = static_cast<unsigned>(RefQualifier); 260771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2608e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall bool isVariadic() const { return FunctionTypeBits.Variadic; } 2609b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getTypeQuals() const { return FunctionTypeBits.TypeQuals; } 2610c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 2611c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RefQualifierKind getRefQualifier() const { 2612c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor return static_cast<RefQualifierKind>(FunctionTypeBits.RefQualifier); 2613c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor } 2614c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 26155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 26161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getResultType() const { return ResultType; } 2618a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman 2619a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman bool getHasRegParm() const { return getExtInfo().getHasRegParm(); } 2620b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getRegParmType() const { return getExtInfo().getRegParm(); } 2621b870b88df784c2940efce448ebfaf54dece14666John McCall bool getNoReturnAttr() const { return getExtInfo().getNoReturn(); } 2622b870b88df784c2940efce448ebfaf54dece14666John McCall CallingConv getCallConv() const { return getExtInfo().getCC(); } 2623b870b88df784c2940efce448ebfaf54dece14666John McCall ExtInfo getExtInfo() const { return ExtInfo(FunctionTypeBits.ExtInfo); } 26245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 26255291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// \brief Determine the type of an expression that calls a function of 26265291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// this type. 26275291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor QualType getCallResultType(ASTContext &Context) const { 26286398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor return getResultType().getNonLValueExprType(Context); 26295291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor } 26305291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 263104a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall static llvm::StringRef getNameForCallConv(CallingConv CC); 263204a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 26335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 26345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto || 26355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer T->getTypeClass() == FunctionProto; 26365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 26375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FunctionType *) { return true; } 26385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 26395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 264072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionNoProtoType - Represents a K&R-style 'int foo()' function, which has 26415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// no information available about its arguments. 264272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionNoProtoType : public FunctionType, public llvm::FoldingSetNode { 264371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall FunctionNoProtoType(QualType Result, QualType Canonical, ExtInfo Info) 2644c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor : FunctionType(FunctionNoProto, Result, false, 0, RQ_None, Canonical, 2645561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*Dependent=*/false, /*InstantiationDependent=*/false, 2646561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Result->isVariablyModifiedType(), 2647d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false, Info) {} 2648d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 26495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 265060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 26515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 26525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // No additional state past what FunctionType provides. 26531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2654bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2655bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2656bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 26575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 2658264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Profile(ID, getResultType(), getExtInfo()); 26595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 26602455636163fdd18581d7fdae816433f886d88213Mike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ResultType, 266171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo Info) { 266271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Info.Profile(ID); 26635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ResultType.getAsOpaquePtr()); 26645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 26651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 26675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto; 26685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 266972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionNoProtoType *) { return true; } 26705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 26715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 267272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionProtoType - Represents a prototype with argument type info, e.g. 26735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int foo(int)' or 'int foo(void)'. 'void' is represented as having no 2674465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// arguments, not as having a single void argument. Such a type can have an 2675465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// exception specification, but this specification is not part of the canonical 2676465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// type. 267772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionProtoType : public FunctionType, public llvm::FoldingSetNode { 2678e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCallpublic: 2679e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall /// ExtProtoInfo - Extra information about a function prototype. 2680e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall struct ExtProtoInfo { 2681e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall ExtProtoInfo() : 26828b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl Variadic(false), ExceptionSpecType(EST_None), TypeQuals(0), 2683f85e193739c953358c865005855253af4f68a497John McCall RefQualifier(RQ_None), NumExceptions(0), Exceptions(0), NoexceptExpr(0), 2684f85e193739c953358c865005855253af4f68a497John McCall ConsumedArguments(0) {} 2685e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 2686e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionType::ExtInfo ExtInfo; 2687e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall bool Variadic; 26888b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl ExceptionSpecificationType ExceptionSpecType; 2689e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall unsigned char TypeQuals; 2690c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RefQualifierKind RefQualifier; 2691e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall unsigned NumExceptions; 2692e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall const QualType *Exceptions; 26938b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl Expr *NoexceptExpr; 2694f85e193739c953358c865005855253af4f68a497John McCall const bool *ConsumedArguments; 2695e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall }; 2696e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 2697e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCallprivate: 2698d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Determine whether there are any argument types that 2699d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// contain an unexpanded parameter pack. 2700d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor static bool containsAnyUnexpandedParameterPack(const QualType *ArgArray, 2701d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned numArgs) { 2702d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor for (unsigned Idx = 0; Idx < numArgs; ++Idx) 2703d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor if (ArgArray[Idx]->containsUnexpandedParameterPack()) 2704d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return true; 2705d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2706d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return false; 2707d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 2708d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2709e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType(QualType result, const QualType *args, unsigned numArgs, 27108026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl QualType canonical, const ExtProtoInfo &epi); 2711465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 27125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// NumArgs - The number of arguments this function has, not counting '...'. 2713f85e193739c953358c865005855253af4f68a497John McCall unsigned NumArgs : 19; 2714465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2715465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// NumExceptions - The number of types in the exception spec, if any. 271660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl unsigned NumExceptions : 9; 2717465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 271860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// ExceptionSpecType - The type of exception specification this function has. 271960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl unsigned ExceptionSpecType : 3; 2720465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2721f85e193739c953358c865005855253af4f68a497John McCall /// HasAnyConsumedArgs - Whether this function has any consumed arguments. 2722f85e193739c953358c865005855253af4f68a497John McCall unsigned HasAnyConsumedArgs : 1; 2723f85e193739c953358c865005855253af4f68a497John McCall 2724942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// ArgInfo - There is an variable size array after the class in memory that 2725942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// holds the argument types. 2726465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2727465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// Exceptions - There is another variable size array after ArgInfo that 2728465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// holds the exception types. 2729465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 273060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// NoexceptExpr - Instead of Exceptions, there may be a single Expr* pointing 273160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// to the expression in the noexcept() specifier. 273260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl 2733f85e193739c953358c865005855253af4f68a497John McCall /// ConsumedArgs - A variable size array, following Exceptions 2734f85e193739c953358c865005855253af4f68a497John McCall /// and of length NumArgs, holding flags indicating which arguments 2735f85e193739c953358c865005855253af4f68a497John McCall /// are consumed. This only appears if HasAnyConsumedArgs is true. 2736f85e193739c953358c865005855253af4f68a497John McCall 27375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 27384b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 2739f85e193739c953358c865005855253af4f68a497John McCall const bool *getConsumedArgsBuffer() const { 2740f85e193739c953358c865005855253af4f68a497John McCall assert(hasAnyConsumedArgs()); 2741f85e193739c953358c865005855253af4f68a497John McCall 2742f85e193739c953358c865005855253af4f68a497John McCall // Find the end of the exceptions. 2743f85e193739c953358c865005855253af4f68a497John McCall Expr * const *eh_end = reinterpret_cast<Expr * const *>(arg_type_end()); 2744f85e193739c953358c865005855253af4f68a497John McCall if (getExceptionSpecType() != EST_ComputedNoexcept) 2745f85e193739c953358c865005855253af4f68a497John McCall eh_end += NumExceptions; 2746f85e193739c953358c865005855253af4f68a497John McCall else 2747f85e193739c953358c865005855253af4f68a497John McCall eh_end += 1; // NoexceptExpr 2748f85e193739c953358c865005855253af4f68a497John McCall 2749f85e193739c953358c865005855253af4f68a497John McCall return reinterpret_cast<const bool*>(eh_end); 2750f85e193739c953358c865005855253af4f68a497John McCall } 2751f85e193739c953358c865005855253af4f68a497John McCall 27525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 27535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 27545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgType(unsigned i) const { 27555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(i < NumArgs && "Invalid argument number!"); 2756942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return arg_type_begin()[i]; 27575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2758465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2759e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall ExtProtoInfo getExtProtoInfo() const { 2760e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall ExtProtoInfo EPI; 2761e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = getExtInfo(); 2762e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.Variadic = isVariadic(); 276360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.ExceptionSpecType = getExceptionSpecType(); 2764e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.TypeQuals = static_cast<unsigned char>(getTypeQuals()); 2765c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor EPI.RefQualifier = getRefQualifier(); 276660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EPI.ExceptionSpecType == EST_Dynamic) { 276760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.NumExceptions = NumExceptions; 276860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.Exceptions = exception_begin(); 276960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } else if (EPI.ExceptionSpecType == EST_ComputedNoexcept) { 277060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.NoexceptExpr = getNoexceptExpr(); 277160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 2772f85e193739c953358c865005855253af4f68a497John McCall if (hasAnyConsumedArgs()) 2773f85e193739c953358c865005855253af4f68a497John McCall EPI.ConsumedArguments = getConsumedArgsBuffer(); 2774e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return EPI; 2775e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall } 2776e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 277760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Get the kind of exception specification on this function. 277860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl ExceptionSpecificationType getExceptionSpecType() const { 277960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return static_cast<ExceptionSpecificationType>(ExceptionSpecType); 278060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 278160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Return whether this function has any kind of exception spec. 278260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl bool hasExceptionSpec() const { 278360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return getExceptionSpecType() != EST_None; 278460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 278560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Return whether this function has a dynamic (throw) exception spec. 278660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl bool hasDynamicExceptionSpec() const { 278760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return isDynamicExceptionSpec(getExceptionSpecType()); 278860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 2789fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner /// \brief Return whether this function has a noexcept exception spec. 279060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl bool hasNoexceptExceptionSpec() const { 279160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return isNoexceptExceptionSpec(getExceptionSpecType()); 279260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 279360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Result type of getNoexceptSpec(). 279460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl enum NoexceptResult { 279560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_NoNoexcept, ///< There is no noexcept specifier. 279660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_BadNoexcept, ///< The noexcept specifier has a bad expression. 279760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_Dependent, ///< The noexcept specifier is dependent. 279860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_Throw, ///< The noexcept specifier evaluates to false. 279960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_Nothrow ///< The noexcept specifier evaluates to true. 280060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl }; 280160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Get the meaning of the noexcept spec on this function, if any. 28028026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl NoexceptResult getNoexceptSpec(ASTContext &Ctx) const; 2803465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned getNumExceptions() const { return NumExceptions; } 2804465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl QualType getExceptionType(unsigned i) const { 2805465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(i < NumExceptions && "Invalid exception number!"); 2806465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin()[i]; 2807465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 280860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl Expr *getNoexceptExpr() const { 280960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (getExceptionSpecType() != EST_ComputedNoexcept) 281060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return 0; 281160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl // NoexceptExpr sits where the arguments end. 281260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return *reinterpret_cast<Expr *const *>(arg_type_end()); 2813d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson } 28148026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl bool isNothrow(ASTContext &Ctx) const { 281560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl ExceptionSpecificationType EST = getExceptionSpecType(); 28167a614d8380297fcd2bc23986241905d97222948cRichard Smith assert(EST != EST_Delayed); 281760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EST == EST_DynamicNone || EST == EST_BasicNoexcept) 281860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return true; 281960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EST != EST_ComputedNoexcept) 282060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return false; 28218026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl return getNoexceptSpec(Ctx) == NR_Nothrow; 2822c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall } 2823c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall 2824e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall using FunctionType::isVariadic; 282560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl 2826f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// \brief Determines whether this function prototype contains a 2827f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// parameter pack at the end. 2828f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// 2829f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// A function template whose last parameter is a parameter pack can be 2830f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// called with an arbitrary number of arguments, much like a variadic 2831f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// function. However, 2832f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor bool isTemplateVariadic() const; 2833f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor 2834971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned getTypeQuals() const { return FunctionType::getTypeQuals(); } 28351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2836c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 2837c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief Retrieve the ref-qualifier associated with this function type. 2838c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RefQualifierKind getRefQualifier() const { 2839c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor return FunctionType::getRefQualifier(); 2840c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor } 2841c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 28425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef const QualType *arg_type_iterator; 2843942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_begin() const { 2844942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return reinterpret_cast<const QualType *>(this+1); 2845942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner } 2846942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_end() const { return arg_type_begin()+NumArgs; } 2847465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2848465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl typedef const QualType *exception_iterator; 2849465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_begin() const { 2850465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // exceptions begin where arguments end 2851465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return arg_type_end(); 2852465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2853465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_end() const { 285460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (getExceptionSpecType() != EST_Dynamic) 285560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return exception_begin(); 2856465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin() + NumExceptions; 2857465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2858465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2859f85e193739c953358c865005855253af4f68a497John McCall bool hasAnyConsumedArgs() const { 2860f85e193739c953358c865005855253af4f68a497John McCall return HasAnyConsumedArgs; 2861f85e193739c953358c865005855253af4f68a497John McCall } 2862f85e193739c953358c865005855253af4f68a497John McCall bool isArgConsumed(unsigned I) const { 2863f85e193739c953358c865005855253af4f68a497John McCall assert(I < getNumArgs() && "argument index out of range!"); 2864f85e193739c953358c865005855253af4f68a497John McCall if (hasAnyConsumedArgs()) 2865f85e193739c953358c865005855253af4f68a497John McCall return getConsumedArgsBuffer()[I]; 2866f85e193739c953358c865005855253af4f68a497John McCall return false; 2867f85e193739c953358c865005855253af4f68a497John McCall } 2868f85e193739c953358c865005855253af4f68a497John McCall 2869bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2870bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2871bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 28725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 28735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionProto; 28745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 287572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionProtoType *) { return true; } 2876465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 28778026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Ctx); 28785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Result, 2879942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator ArgTys, unsigned NumArgs, 28808026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl const ExtProtoInfo &EPI, const ASTContext &Context); 28815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 28825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 28835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2884ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// \brief Represents the dependent type named by a dependently-scoped 2885ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// typename using declaration, e.g. 2886ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// using typename Base<T>::foo; 2887ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// Template instantiation turns these into the underlying type. 2888ed97649e9574b9d854fa4d6109c9333ae0993554John McCallclass UnresolvedUsingType : public Type { 2889ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *Decl; 2890ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 289119c8576b7328f4dc2d07682f5da552875c1912efJohn McCall UnresolvedUsingType(const UnresolvedUsingTypenameDecl *D) 2892561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(UnresolvedUsing, QualType(), true, true, false, 2893d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 289419c8576b7328f4dc2d07682f5da552875c1912efJohn McCall Decl(const_cast<UnresolvedUsingTypenameDecl*>(D)) {} 2895ed97649e9574b9d854fa4d6109c9333ae0993554John McCall friend class ASTContext; // ASTContext creates these. 2896ed97649e9574b9d854fa4d6109c9333ae0993554John McCallpublic: 2897ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2898ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *getDecl() const { return Decl; } 2899ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2900ed97649e9574b9d854fa4d6109c9333ae0993554John McCall bool isSugared() const { return false; } 2901ed97649e9574b9d854fa4d6109c9333ae0993554John McCall QualType desugar() const { return QualType(this, 0); } 2902ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2903ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const Type *T) { 2904ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return T->getTypeClass() == UnresolvedUsing; 2905ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2906ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const UnresolvedUsingType *) { return true; } 2907ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2908ed97649e9574b9d854fa4d6109c9333ae0993554John McCall void Profile(llvm::FoldingSetNodeID &ID) { 2909ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Profile(ID, Decl); 2910ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2911ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static void Profile(llvm::FoldingSetNodeID &ID, 2912ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *D) { 2913ed97649e9574b9d854fa4d6109c9333ae0993554John McCall ID.AddPointer(D); 2914ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2915ed97649e9574b9d854fa4d6109c9333ae0993554John McCall}; 2916ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2917ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 29185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TypedefType : public Type { 2919162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypedefNameDecl *Decl; 2920c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanianprotected: 2921162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypedefType(TypeClass tc, const TypedefNameDecl *D, QualType can) 2922561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(tc, can, can->isDependentType(), 2923561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor can->isInstantiationDependentType(), 2924561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor can->isVariablyModifiedType(), 2925d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 2926162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Decl(const_cast<TypedefNameDecl*>(D)) { 29275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isa<TypedefType>(can) && "Invalid canonical type"); 29285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 29295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 29305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 29311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2932162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypedefNameDecl *getDecl() const { return Decl; } 29331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2934bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2935bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 2936bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 293772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == Typedef; } 29385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TypedefType *) { return true; } 29395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 29405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 294172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType (GCC extension). 294272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass TypeOfExprType : public Type { 2943d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *TOExpr; 29441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2945b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorprotected: 2946dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType(Expr *E, QualType can = QualType()); 2947d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 2948d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 2949d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *getUnderlyingExpr() const { return TOExpr; } 29501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2951bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2952bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 2953bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2954bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2955bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2956bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 295772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOfExpr; } 295872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const TypeOfExprType *) { return true; } 2959d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 2960d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 2961c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 29621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typeof(expr) types. 2963c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 2964c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 2965c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 2966c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via TypeOfExprType nodes. 29671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass DependentTypeOfExprType 2968b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : public TypeOfExprType, public llvm::FoldingSetNode { 29694ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 29701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2971b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorpublic: 29724ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentTypeOfExprType(const ASTContext &Context, Expr *E) 2973b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : TypeOfExprType(E), Context(Context) { } 29741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2975bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2976bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2977bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2978b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2979b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 2980b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 29811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29824ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 2983b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Expr *E); 2984b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor}; 29851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2986d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff/// TypeOfType (GCC extension). 2987d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffclass TypeOfType : public Type { 2988d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType TOType; 29891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TypeOfType(QualType T, QualType can) 2990561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(TypeOf, can, T->isDependentType(), 2991561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor T->isInstantiationDependentType(), 2992561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor T->isVariablyModifiedType(), 2993d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor T->containsUnexpandedParameterPack()), 299435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor TOType(T) { 2995d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff assert(!isa<TypedefType>(can) && "Invalid canonical type"); 2996d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff } 2997d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 2998d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 2999d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getUnderlyingType() const { return TOType; } 30001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3001bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 3002bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 3003bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3004bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 3005bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 3006bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 300772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOf; } 3008d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff static bool classof(const TypeOfType *) { return true; } 3009d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 30105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3011395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType (C++0x) 3012395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonclass DecltypeType : public Type { 3013395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *E; 30141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3015563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // FIXME: We could get rid of UnderlyingType if we wanted to: We would have to 3016563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // Move getDesugaredType to ASTContext so that it can call getDecltypeForExpr 3017563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // from it. 3018563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType UnderlyingType; 30191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30209d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorprotected: 3021563a03b1338d31c2462def43253a722bc885d384Anders Carlsson DecltypeType(Expr *E, QualType underlyingType, QualType can = QualType()); 3022395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson friend class ASTContext; // ASTContext creates these. 3023395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonpublic: 3024395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *getUnderlyingExpr() const { return E; } 3025563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType getUnderlyingType() const { return UnderlyingType; } 3026563a03b1338d31c2462def43253a722bc885d384Anders Carlsson 3027bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 3028bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 3029bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3030bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 3031bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return !isDependentType(); } 3032bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3033395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const Type *T) { return T->getTypeClass() == Decltype; } 3034395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const DecltypeType *) { return true; } 3035395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson}; 30361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3037c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 3038c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// decltype(expr) types. 3039c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 3040c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 3041c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 3042c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via DecltypeType nodes. 30439d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorclass DependentDecltypeType : public DecltypeType, public llvm::FoldingSetNode { 30444ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 30451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30469d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorpublic: 30474ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentDecltypeType(const ASTContext &Context, Expr *E); 30481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3049bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3050bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3051bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 30529d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 30539d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 30549d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 30551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30564ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 30571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *E); 30589d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor}; 30591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3060ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt/// \brief A unary type transform, which is a type constructed from another 3061ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntclass UnaryTransformType : public Type { 3062ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntpublic: 3063ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt enum UTTKind { 3064ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt EnumUnderlyingType 3065ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt }; 3066ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3067ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntprivate: 3068ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt /// The untransformed type. 3069ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType BaseType; 3070ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt /// The transformed type if not dependent, otherwise the same as BaseType. 3071ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType UnderlyingType; 3072ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3073ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UTTKind UKind; 3074ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntprotected: 3075ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UnaryTransformType(QualType BaseTy, QualType UnderlyingTy, UTTKind UKind, 3076ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType CanonicalTy); 3077ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt friend class ASTContext; 3078ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntpublic: 3079ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt bool isSugared() const { return !isDependentType(); } 3080ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType desugar() const { return UnderlyingType; } 3081ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3082ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType getUnderlyingType() const { return UnderlyingType; } 3083ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType getBaseType() const { return BaseType; } 3084ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3085ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UTTKind getUTTKind() const { return UKind; } 3086ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3087ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt static bool classof(const Type *T) { 3088ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt return T->getTypeClass() == UnaryTransform; 3089ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt } 3090ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt static bool classof(const UnaryTransformType *) { return true; } 3091ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt}; 3092ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 30935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TagType : public Type { 3094ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// Stores the TagDecl associated with this type. The decl may point to any 3095ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// TagDecl that declares the entity. 3096ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl * decl; 30972ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 30982ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregorprotected: 309919c8576b7328f4dc2d07682f5da552875c1912efJohn McCall TagType(TypeClass TC, const TagDecl *D, QualType can); 31002ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 31011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 3102ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl *getDecl() const; 31031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31040b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor /// @brief Determines whether this type is in the process of being 31051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// defined. 3106ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl bool isBeingDefined() const; 31070b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 31081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 310972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return T->getTypeClass() >= TagFirst && T->getTypeClass() <= TagLast; 311072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor } 31115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TagType *) { return true; } 311272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const RecordType *) { return true; } 311372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const EnumType *) { return true; } 31145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 31155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 31165edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// RecordType - This is a helper class that allows the use of isa/cast/dyncast 31175edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of structs/unions/classes. 31185edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass RecordType : public TagType { 311949aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidisprotected: 312019c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit RecordType(const RecordDecl *D) 312119c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Record, reinterpret_cast<const TagDecl*>(D), QualType()) { } 312272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor explicit RecordType(TypeClass TC, RecordDecl *D) 312319c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(TC, reinterpret_cast<const TagDecl*>(D), QualType()) { } 31242ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 31255edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 31261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31275edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner RecordDecl *getDecl() const { 31285edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<RecordDecl*>(TagType::getDecl()); 31295edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 31301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // FIXME: This predicate is a helper to QualType/Type. It needs to 31325edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // recursively check all fields for const-ness. If any field is declared 31331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // const, it needs to return false. 31345edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner bool hasConstFields() const { return false; } 31355edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 3136bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3137bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3138bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 31392daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 31402daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 31412daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 31422daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 31435edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const RecordType *) { return true; } 31445edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 31455edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 31465edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// EnumType - This is a helper class that allows the use of isa/cast/dyncast 31475edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of enums. 31485edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass EnumType : public TagType { 314919c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit EnumType(const EnumDecl *D) 315019c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Enum, reinterpret_cast<const TagDecl*>(D), QualType()) { } 31512ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 31525edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 31531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31545edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner EnumDecl *getDecl() const { 31555edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<EnumDecl*>(TagType::getDecl()); 31565edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 31571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3158bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3159bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3160bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 31612daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 31622daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 31632daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 31642daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 31655edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const EnumType *) { return true; } 31665edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 31675edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 31689d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// AttributedType - An attributed type is a type to which a type 31699d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// attribute has been applied. The "modified type" is the 31709d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// fully-sugared type to which the attributed type was applied; 31719d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// generally it is not canonically equivalent to the attributed type. 31729d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// The "equivalent type" is the minimally-desugared type which the 31739d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// type is canonically equivalent to. 31749d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// 31759d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// For example, in the following attributed type: 31769d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// int32_t __attribute__((vector_size(16))) 31779d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// - the modified type is the TypedefType for int32_t 31789d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// - the equivalent type is VectorType(16, int32_t) 31799d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// - the canonical type is VectorType(16, int) 31809d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallclass AttributedType : public Type, public llvm::FoldingSetNode { 31819d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallpublic: 31829d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // It is really silly to have yet another attribute-kind enum, but 31839d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // clang::attr::Kind doesn't currently cover the pure type attrs. 31849d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall enum Kind { 31859d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // Expression operand. 3186170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_address_space, 3187170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_regparm, 3188170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_vector_size, 3189170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_neon_vector_type, 3190170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_neon_polyvector_type, 31919d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 3192170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet FirstExprOperandKind = attr_address_space, 3193170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet LastExprOperandKind = attr_neon_polyvector_type, 31949d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 31959d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // Enumerated operand (string or keyword). 3196170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_objc_gc, 3197b8b0313e84700b5c6d597b3be4de41c97b7550f1Argyrios Kyrtzidis attr_objc_ownership, 3198414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov attr_pcs, 31999d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 3200170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet FirstEnumOperandKind = attr_objc_gc, 3201414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov LastEnumOperandKind = attr_pcs, 32029d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32039d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // No operand. 32043cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_noreturn, 32053cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_cdecl, 32063cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_fastcall, 32073cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_stdcall, 32083cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_thiscall, 32093cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_pascal 32109d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall }; 32119d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32129d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallprivate: 32139d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType ModifiedType; 32149d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType EquivalentType; 32159d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32169d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall friend class ASTContext; // creates these 32179d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32189d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType(QualType canon, Kind attrKind, 32199d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType modified, QualType equivalent) 32209d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall : Type(Attributed, canon, canon->isDependentType(), 3221561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor canon->isInstantiationDependentType(), 32229d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall canon->isVariablyModifiedType(), 32239d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall canon->containsUnexpandedParameterPack()), 32249d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ModifiedType(modified), EquivalentType(equivalent) { 32259d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedTypeBits.AttrKind = attrKind; 32269d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 32279d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32289d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallpublic: 32299d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall Kind getAttrKind() const { 32309d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return static_cast<Kind>(AttributedTypeBits.AttrKind); 32319d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 32329d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32339d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType getModifiedType() const { return ModifiedType; } 32349d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType getEquivalentType() const { return EquivalentType; } 32359d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32369d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall bool isSugared() const { return true; } 32379d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType desugar() const { return getEquivalentType(); } 32389d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32399d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 32409d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall Profile(ID, getAttrKind(), ModifiedType, EquivalentType); 32419d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 32429d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32439d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, Kind attrKind, 32449d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType modified, QualType equivalent) { 32459d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ID.AddInteger(attrKind); 32469d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ID.AddPointer(modified.getAsOpaquePtr()); 32479d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ID.AddPointer(equivalent.getAsOpaquePtr()); 32489d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 32499d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32509d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall static bool classof(const Type *T) { 32519d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return T->getTypeClass() == Attributed; 32529d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 32539d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall static bool classof(const AttributedType *T) { return true; } 32549d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall}; 32559d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 3256fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorclass TemplateTypeParmType : public Type, public llvm::FoldingSetNode { 32574fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth // Helper data collector for canonical types. 32584fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth struct CanonicalTTPTInfo { 32594fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned Depth : 15; 32604fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned ParameterPack : 1; 32614fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned Index : 16; 32624fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth }; 32634fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth 32644fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth union { 32654fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth // Info for the canonical type. 32664fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth CanonicalTTPTInfo CanTTPTInfo; 32674fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth // Info for the non-canonical type. 32684fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmDecl *TTPDecl; 32694fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth }; 327072c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 32714fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth /// Build a non-canonical type. 32724fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmType(TemplateTypeParmDecl *TTPDecl, QualType Canon) 327335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(TemplateTypeParm, Canon, /*Dependent=*/true, 3274561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 32754fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth /*VariablyModified=*/false, 32765d65e34b08b3e57a4da834195757d0d15baaffd0Chandler Carruth Canon->containsUnexpandedParameterPack()), 32774fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TTPDecl(TTPDecl) { } 327872c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 32794fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth /// Build the canonical type. 32801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType(unsigned D, unsigned I, bool PP) 3281561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(TemplateTypeParm, QualType(this, 0), 3282561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*Dependent=*/true, 3283561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 32844fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth /*VariablyModified=*/false, PP) { 32854fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth CanTTPTInfo.Depth = D; 32864fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth CanTTPTInfo.Index = I; 32874fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth CanTTPTInfo.ParameterPack = PP; 32884fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth } 328972c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 3290fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor friend class ASTContext; // ASTContext creates these 329172c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 32924fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth const CanonicalTTPTInfo& getCanTTPTInfo() const { 32934fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth QualType Can = getCanonicalTypeInternal(); 32945d65e34b08b3e57a4da834195757d0d15baaffd0Chandler Carruth return Can->castAs<TemplateTypeParmType>()->CanTTPTInfo; 32954fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth } 32964fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth 3297fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorpublic: 32984fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned getDepth() const { return getCanTTPTInfo().Depth; } 32994fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned getIndex() const { return getCanTTPTInfo().Index; } 33004fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth bool isParameterPack() const { return getCanTTPTInfo().ParameterPack; } 33014fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth 33024fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmDecl *getDecl() const { 33034fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth return isCanonicalUnqualified() ? 0 : TTPDecl; 33044fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth } 33054fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth 3306b7efff4bae117604f442bb6859c844f90b15f3ffChandler Carruth IdentifierInfo *getIdentifier() const; 33071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3308bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3309bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3310bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3311fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 33124fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth Profile(ID, getDepth(), getIndex(), isParameterPack(), getDecl()); 3313fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 3314fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 33151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, unsigned Depth, 33161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned Index, bool ParameterPack, 33174fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmDecl *TTPDecl) { 3318fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Depth); 3319fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Index); 332076e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson ID.AddBoolean(ParameterPack); 33214fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth ID.AddPointer(TTPDecl); 3322fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 3323fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 33241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 33251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateTypeParm; 332672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor } 332772c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor static bool classof(const TemplateTypeParmType *T) { return true; } 332872c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor}; 3329fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 333049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Represents the result of substituting a type for a template 333149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type parameter. 333249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// 333349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// Within an instantiated template, all template type parameters have 333449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// been replaced with these. They are used solely to record that a 333549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type was originally written as a template type parameter; 333649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// therefore they are never canonical. 333749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallclass SubstTemplateTypeParmType : public Type, public llvm::FoldingSetNode { 333849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall // The original type parameter. 333949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced; 334049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 334149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(const TemplateTypeParmType *Param, QualType Canon) 334235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(SubstTemplateTypeParm, Canon, Canon->isDependentType(), 3343561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Canon->isInstantiationDependentType(), 3344d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Canon->isVariablyModifiedType(), 3345d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Canon->containsUnexpandedParameterPack()), 334649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Replaced(Param) { } 334749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 334849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall friend class ASTContext; 334949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 335049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallpublic: 335149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the template parameter that was substituted for. 335249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *getReplacedParameter() const { 335349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return Replaced; 335449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 335549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 335649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the type that was substituted for the template 335749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// parameter. 335849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType getReplacementType() const { 335949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getCanonicalTypeInternal(); 336049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 336149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 336249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall bool isSugared() const { return true; } 336349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType desugar() const { return getReplacementType(); } 336449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 336549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 336649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Profile(ID, getReplacedParameter(), getReplacementType()); 336749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 336849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, 336949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced, 337049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 337149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replaced); 337249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replacement.getAsOpaquePtr()); 337349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 337449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 337549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const Type *T) { 337649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return T->getTypeClass() == SubstTemplateTypeParm; 337749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 337849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const SubstTemplateTypeParmType *T) { return true; } 337949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall}; 338049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 3381c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// \brief Represents the result of substituting a set of types for a template 3382c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// type parameter pack. 3383c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// 3384c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// When a pack expansion in the source code contains multiple parameter packs 3385c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// and those parameter packs correspond to different levels of template 3386c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// parameter lists, this type node is used to represent a template type 3387c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// parameter pack from an outer level, which has already had its argument pack 3388c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// substituted but that still lives within a pack expansion that itself 3389c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// could not be instantiated. When actually performing a substitution into 3390c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// that pack expansion (e.g., when all template parameters have corresponding 3391c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// arguments), this type will be replaced with the \c SubstTemplateTypeParmType 3392c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// at the current pack substitution index. 3393c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregorclass SubstTemplateTypeParmPackType : public Type, public llvm::FoldingSetNode { 3394c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// \brief The original type parameter. 3395c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *Replaced; 3396c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3397c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// \brief A pointer to the set of template arguments that this 3398c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// parameter pack is instantiated with. 3399c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument *Arguments; 3400c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3401c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// \brief The number of template arguments in \c Arguments. 3402c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor unsigned NumArguments; 3403c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3404c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType(const TemplateTypeParmType *Param, 3405c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor QualType Canon, 3406c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument &ArgPack); 3407c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3408c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor friend class ASTContext; 3409c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3410c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregorpublic: 3411b7efff4bae117604f442bb6859c844f90b15f3ffChandler Carruth IdentifierInfo *getIdentifier() const { return Replaced->getIdentifier(); } 3412c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3413c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// Gets the template parameter that was substituted for. 3414c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *getReplacedParameter() const { 3415c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return Replaced; 3416c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 3417c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3418c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor bool isSugared() const { return false; } 3419c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor QualType desugar() const { return QualType(this, 0); } 3420c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3421c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor TemplateArgument getArgumentPack() const; 3422c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3423c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID); 3424c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, 3425c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *Replaced, 3426c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument &ArgPack); 3427c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3428c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor static bool classof(const Type *T) { 3429c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return T->getTypeClass() == SubstTemplateTypeParmPack; 3430c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 3431c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor static bool classof(const SubstTemplateTypeParmPackType *T) { return true; } 3432c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor}; 3433c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 343434b41d939a1328f484511c6002ba2456db879a29Richard Smith/// \brief Represents a C++0x auto type. 343534b41d939a1328f484511c6002ba2456db879a29Richard Smith/// 343634b41d939a1328f484511c6002ba2456db879a29Richard Smith/// These types are usually a placeholder for a deduced type. However, within 343734b41d939a1328f484511c6002ba2456db879a29Richard Smith/// templates and before the initializer is attached, there is no deduced type 343834b41d939a1328f484511c6002ba2456db879a29Richard Smith/// and an auto type is type-dependent and canonical. 343934b41d939a1328f484511c6002ba2456db879a29Richard Smithclass AutoType : public Type, public llvm::FoldingSetNode { 344034b41d939a1328f484511c6002ba2456db879a29Richard Smith AutoType(QualType DeducedType) 344134b41d939a1328f484511c6002ba2456db879a29Richard Smith : Type(Auto, DeducedType.isNull() ? QualType(this, 0) : DeducedType, 344234b41d939a1328f484511c6002ba2456db879a29Richard Smith /*Dependent=*/DeducedType.isNull(), 3443561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/DeducedType.isNull(), 344434b41d939a1328f484511c6002ba2456db879a29Richard Smith /*VariablyModified=*/false, /*ContainsParameterPack=*/false) { 344534b41d939a1328f484511c6002ba2456db879a29Richard Smith assert((DeducedType.isNull() || !DeducedType->isDependentType()) && 344634b41d939a1328f484511c6002ba2456db879a29Richard Smith "deduced a dependent type for auto"); 344734b41d939a1328f484511c6002ba2456db879a29Richard Smith } 344834b41d939a1328f484511c6002ba2456db879a29Richard Smith 344934b41d939a1328f484511c6002ba2456db879a29Richard Smith friend class ASTContext; // ASTContext creates these 345034b41d939a1328f484511c6002ba2456db879a29Richard Smith 345134b41d939a1328f484511c6002ba2456db879a29Richard Smithpublic: 345234b41d939a1328f484511c6002ba2456db879a29Richard Smith bool isSugared() const { return isDeduced(); } 345334b41d939a1328f484511c6002ba2456db879a29Richard Smith QualType desugar() const { return getCanonicalTypeInternal(); } 345434b41d939a1328f484511c6002ba2456db879a29Richard Smith 345534b41d939a1328f484511c6002ba2456db879a29Richard Smith QualType getDeducedType() const { 345634b41d939a1328f484511c6002ba2456db879a29Richard Smith return isDeduced() ? getCanonicalTypeInternal() : QualType(); 345734b41d939a1328f484511c6002ba2456db879a29Richard Smith } 345834b41d939a1328f484511c6002ba2456db879a29Richard Smith bool isDeduced() const { 345934b41d939a1328f484511c6002ba2456db879a29Richard Smith return !isDependentType(); 346034b41d939a1328f484511c6002ba2456db879a29Richard Smith } 346134b41d939a1328f484511c6002ba2456db879a29Richard Smith 346234b41d939a1328f484511c6002ba2456db879a29Richard Smith void Profile(llvm::FoldingSetNodeID &ID) { 346334b41d939a1328f484511c6002ba2456db879a29Richard Smith Profile(ID, getDeducedType()); 346434b41d939a1328f484511c6002ba2456db879a29Richard Smith } 346534b41d939a1328f484511c6002ba2456db879a29Richard Smith 346634b41d939a1328f484511c6002ba2456db879a29Richard Smith static void Profile(llvm::FoldingSetNodeID &ID, 346734b41d939a1328f484511c6002ba2456db879a29Richard Smith QualType Deduced) { 346834b41d939a1328f484511c6002ba2456db879a29Richard Smith ID.AddPointer(Deduced.getAsOpaquePtr()); 346934b41d939a1328f484511c6002ba2456db879a29Richard Smith } 347034b41d939a1328f484511c6002ba2456db879a29Richard Smith 347134b41d939a1328f484511c6002ba2456db879a29Richard Smith static bool classof(const Type *T) { 347234b41d939a1328f484511c6002ba2456db879a29Richard Smith return T->getTypeClass() == Auto; 347334b41d939a1328f484511c6002ba2456db879a29Richard Smith } 347434b41d939a1328f484511c6002ba2456db879a29Richard Smith static bool classof(const AutoType *T) { return true; } 347534b41d939a1328f484511c6002ba2456db879a29Richard Smith}; 347634b41d939a1328f484511c6002ba2456db879a29Richard Smith 34771901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// \brief Represents a type template specialization; the template 34781901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// must be a class template, a type alias template, or a template 34791901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// template parameter. A template which cannot be resolved to one of 34801901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// these, e.g. because it is written with a dependent scope 34811901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// specifier, is instead represented as a 34821901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// @c DependentTemplateSpecializationType. 348355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// 34841901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// A non-dependent template specialization type is always "sugar", 34851901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// typically for a @c RecordType. For example, a class template 34861901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// specialization type of @c vector<int> will refer to a tag type for 34871901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// the instantiation @c std::vector<int, std::allocator<int>> 34887532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// 34891901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// Template specializations are dependent if either the template or 34901901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// any of the template arguments are dependent, in which case the 34911901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// type may also be canonical. 34923e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith/// 34931901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// Instances of this type are allocated with a trailing array of 34941901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// TemplateArguments, followed by a QualType representing the 34951901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// non-canonical aliased type when the template is a type alias 34961901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// template. 34971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass TemplateSpecializationType 349855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor : public Type, public llvm::FoldingSetNode { 34991901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall /// \brief The name of the template being specialized. This is 35001901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall /// either a TemplateName::Template (in which case it is a 35011901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall /// ClassTemplateDecl*, a TemplateTemplateParmDecl*, or a 3502146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall /// TypeAliasTemplateDecl*), a 3503146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall /// TemplateName::SubstTemplateTemplateParmPack, or a 3504146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall /// TemplateName::SubstTemplateTemplateParm (in which case the 3505146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall /// replacement must, recursively, be one of these). 35067532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Template; 350755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 350840808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief - The number of template arguments named in this class 350940808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// template specialization. 351055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned NumArgs; 351155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 3512ef99001908e799c388f1363b1e607dad5f5b57d3John McCall TemplateSpecializationType(TemplateName T, 35137532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 35143e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith unsigned NumArgs, QualType Canon, 35153e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Aliased); 351655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 351755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor friend class ASTContext; // ASTContext creates these 351855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 351955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregorpublic: 352040808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Determine whether any of the given template arguments are 352140808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// dependent. 352240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor static bool anyDependentTemplateArguments(const TemplateArgument *Args, 3523561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor unsigned NumArgs, 3524561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool &InstantiationDependent); 352540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 3526833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static bool anyDependentTemplateArguments(const TemplateArgumentLoc *Args, 3527561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor unsigned NumArgs, 3528561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool &InstantiationDependent); 3529833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 3530561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor static bool anyDependentTemplateArguments(const TemplateArgumentListInfo &, 3531561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool &InstantiationDependent); 3532d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 3533df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// \brief Print a template argument list, including the '<' and '>' 3534df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// enclosing the template arguments. 3535df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor static std::string PrintTemplateArgumentList(const TemplateArgument *Args, 3536d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned NumArgs, 3537dace95b13e2ceb0c3ec8de6babd926dc5114e1e5Douglas Gregor const PrintingPolicy &Policy, 3538dace95b13e2ceb0c3ec8de6babd926dc5114e1e5Douglas Gregor bool SkipBrackets = false); 3539df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor 3540833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static std::string PrintTemplateArgumentList(const TemplateArgumentLoc *Args, 3541833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs, 3542833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const PrintingPolicy &Policy); 3543833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 3544d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static std::string PrintTemplateArgumentList(const TemplateArgumentListInfo &, 3545d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const PrintingPolicy &Policy); 3546d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 354731f17ecbef57b5679c017c375db330546b7b5145John McCall /// True if this template specialization type matches a current 354831f17ecbef57b5679c017c375db330546b7b5145John McCall /// instantiation in the context in which it is found. 354931f17ecbef57b5679c017c375db330546b7b5145John McCall bool isCurrentInstantiation() const { 355071d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall return isa<InjectedClassNameType>(getCanonicalTypeInternal()); 355131f17ecbef57b5679c017c375db330546b7b5145John McCall } 355231f17ecbef57b5679c017c375db330546b7b5145John McCall 35533e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith /// True if this template specialization type is for a type alias 35543e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith /// template. 35553e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith bool isTypeAlias() const; 35563e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith /// Get the aliased type, if this is a specialization of a type alias 35573e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith /// template. 35583e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType getAliasedType() const { 35593e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith assert(isTypeAlias() && "not a type alias template specialization"); 35603e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return *reinterpret_cast<const QualType*>(end()); 35613e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 35623e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 356340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor typedef const TemplateArgument * iterator; 356440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 356540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor iterator begin() const { return getArgs(); } 356633500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // defined inline in TemplateBase.h 356740808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 35687532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor /// \brief Retrieve the name of the template that we are specializing. 35697532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName getTemplateName() const { return Template; } 357055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 357140808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the template arguments. 35721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const TemplateArgument *getArgs() const { 357340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor return reinterpret_cast<const TemplateArgument *>(this + 1); 357440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor } 357540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 357640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the number of template arguments. 357755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned getNumArgs() const { return NumArgs; } 357855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 357955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \brief Retrieve a specific template argument as a type. 358055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \precondition @c isArgType(Arg) 358133500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 358255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 358331f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { 35843e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return !isDependentType() || isCurrentInstantiation() || isTypeAlias(); 358531f17ecbef57b5679c017c375db330546b7b5145John McCall } 3586bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getCanonicalTypeInternal(); } 3587bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 35884ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Ctx) { 358971d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall Profile(ID, Template, getArgs(), NumArgs, Ctx); 35903e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (isTypeAlias()) 35913e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith getAliasedType().Profile(ID); 359255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 359355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 35947532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, TemplateName T, 359531f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateArgument *Args, 359631f17ecbef57b5679c017c375db330546b7b5145John McCall unsigned NumArgs, 35974ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context); 359855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 35991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 36001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateSpecialization; 360155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 36027532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static bool classof(const TemplateSpecializationType *T) { return true; } 360355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor}; 360455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 360531f17ecbef57b5679c017c375db330546b7b5145John McCall/// \brief The injected class name of a C++ class template or class 360631f17ecbef57b5679c017c375db330546b7b5145John McCall/// template partial specialization. Used to record that a type was 360731f17ecbef57b5679c017c375db330546b7b5145John McCall/// spelled with a bare identifier rather than as a template-id; the 360831f17ecbef57b5679c017c375db330546b7b5145John McCall/// equivalent for non-templated classes is just RecordType. 36093cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 361031f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always dependent. Template 361131f17ecbef57b5679c017c375db330546b7b5145John McCall/// instantiation turns these into RecordTypes. 36123cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 361331f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always canonical. This works 361431f17ecbef57b5679c017c375db330546b7b5145John McCall/// because it is impossible to compare an injected class name type 361531f17ecbef57b5679c017c375db330546b7b5145John McCall/// with the corresponding non-injected template type, for the same 361631f17ecbef57b5679c017c375db330546b7b5145John McCall/// reason that it is impossible to directly compare template 361731f17ecbef57b5679c017c375db330546b7b5145John McCall/// parameters from different dependent contexts: injected class name 361831f17ecbef57b5679c017c375db330546b7b5145John McCall/// types can only occur within the scope of a particular templated 361931f17ecbef57b5679c017c375db330546b7b5145John McCall/// declaration, and within that scope every template specialization 362031f17ecbef57b5679c017c375db330546b7b5145John McCall/// will canonicalize to the injected class name (when appropriate 362131f17ecbef57b5679c017c375db330546b7b5145John McCall/// according to the rules of the language). 36223cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallclass InjectedClassNameType : public Type { 36233cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall CXXRecordDecl *Decl; 36243cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 362531f17ecbef57b5679c017c375db330546b7b5145John McCall /// The template specialization which this type represents. 362631f17ecbef57b5679c017c375db330546b7b5145John McCall /// For example, in 362731f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class T> class A { ... }; 362831f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<T>, whereas in 362931f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class X, class Y> class A<B<X,Y> > { ... }; 363031f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<B<X,Y> >. 363131f17ecbef57b5679c017c375db330546b7b5145John McCall /// 363231f17ecbef57b5679c017c375db330546b7b5145John McCall /// It is always unqualified, always a template specialization type, 363331f17ecbef57b5679c017c375db330546b7b5145John McCall /// and always dependent. 363431f17ecbef57b5679c017c375db330546b7b5145John McCall QualType InjectedType; 36353cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 36363cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall friend class ASTContext; // ASTContext creates these. 3637c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; // FIXME: ASTContext::getInjectedClassNameType is not 3638c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl // currently suitable for AST reading, too much 363943921b53b582145f0d1b7c48223bd4d9f0a9d1beArgyrios Kyrtzidis // interdependencies. 364031f17ecbef57b5679c017c375db330546b7b5145John McCall InjectedClassNameType(CXXRecordDecl *D, QualType TST) 364135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(InjectedClassName, QualType(), /*Dependent=*/true, 3642561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 3643d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, 3644d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 364531f17ecbef57b5679c017c375db330546b7b5145John McCall Decl(D), InjectedType(TST) { 36463cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<TemplateSpecializationType>(TST)); 36473cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(!TST.hasQualifiers()); 364831f17ecbef57b5679c017c375db330546b7b5145John McCall assert(TST->isDependentType()); 36493cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 36503cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 36513cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallpublic: 365231f17ecbef57b5679c017c375db330546b7b5145John McCall QualType getInjectedSpecializationType() const { return InjectedType; } 365331f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateSpecializationType *getInjectedTST() const { 365431f17ecbef57b5679c017c375db330546b7b5145John McCall return cast<TemplateSpecializationType>(InjectedType.getTypePtr()); 36553cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 36563cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 3657ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl CXXRecordDecl *getDecl() const; 36583cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 365931f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { return false; } 366031f17ecbef57b5679c017c375db330546b7b5145John McCall QualType desugar() const { return QualType(this, 0); } 36613cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 36623cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const Type *T) { 36633cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return T->getTypeClass() == InjectedClassName; 36643cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 36653cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const InjectedClassNameType *T) { return true; } 36663cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall}; 36673cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 3668465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief The kind of a tag type. 3669465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraenum TagTypeKind { 3670465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "struct" keyword. 3671465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Struct, 3672465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "union" keyword. 3673465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Union, 3674465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword. 3675465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Class, 3676465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "enum" keyword. 3677465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Enum 3678465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 3679465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 36804a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief The elaboration keyword that precedes a qualified type name or 36814a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// introduces an elaborated-type-specifier. 36824a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregorenum ElaboratedTypeKeyword { 36834a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "struct" keyword introduces the elaborated-type-specifier. 36844a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Struct, 36854a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "union" keyword introduces the elaborated-type-specifier. 36864a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Union, 3687465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword introduces the elaborated-type-specifier. 3688465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Class, 36894a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "enum" keyword introduces the elaborated-type-specifier. 3690465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Enum, 3691465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "typename" keyword precedes the qualified type name, e.g., 3692465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \c typename T::type. 3693465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Typename, 3694465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief No keyword precedes the qualified type name. 3695465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_None 36964a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor}; 3697465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3698465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// A helper class for Type nodes having an ElaboratedTypeKeyword. 3699465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The keyword in stored in the free bits of the base class. 3700465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// Also provides a few static helpers for converting and printing 3701465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// elaborated type keyword and tag type kind enumerations. 3702465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass TypeWithKeyword : public Type { 3703465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraprotected: 3704465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TypeWithKeyword(ElaboratedTypeKeyword Keyword, TypeClass tc, 3705561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor QualType Canonical, bool Dependent, 3706561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool InstantiationDependent, bool VariablyModified, 3707d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool ContainsUnexpandedParameterPack) 3708561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(tc, Canonical, Dependent, InstantiationDependent, VariablyModified, 3709d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ContainsUnexpandedParameterPack) { 371077be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall TypeWithKeywordBits.Keyword = Keyword; 371177be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall } 3712465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3713465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnarapublic: 3714465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypeKeyword getKeyword() const { 371577be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall return static_cast<ElaboratedTypeKeyword>(TypeWithKeywordBits.Keyword); 3716465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 3717465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3718465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTypeSpec - Converts a type specifier (DeclSpec::TST) 3719465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into an elaborated type keyword. 3720465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTypeSpec(unsigned TypeSpec); 3721465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3722465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForTypeSpec - Converts a type specifier (DeclSpec::TST) 3723465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into a tag type kind. It is an error to provide a type specifier 3724465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 3725465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForTypeSpec(unsigned TypeSpec); 3726465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3727465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTagDeclKind - Converts a TagTypeKind into an 3728465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// elaborated type keyword. 3729465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTagTypeKind(TagTypeKind Tag); 3730465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3731465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForKeyword - Converts an elaborated type keyword into 3732465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara // a TagTypeKind. It is an error to provide an elaborated type keyword 3733465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 3734465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForKeyword(ElaboratedTypeKeyword Keyword); 3735465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3736465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool KeywordIsTagTypeKind(ElaboratedTypeKeyword Keyword); 3737465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3738465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getKeywordName(ElaboratedTypeKeyword Keyword); 3739465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3740465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getTagTypeKindName(TagTypeKind Kind) { 3741465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getKeywordName(getKeywordForTagTypeKind(Kind)); 3742465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 3743465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3744465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara class CannotCastToThisType {}; 3745465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static CannotCastToThisType classof(const Type *); 3746465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 3747465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3748465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief Represents a type that was referred to using an elaborated type 3749465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// keyword, e.g., struct S, or via a qualified name, e.g., N::M::type, 3750465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// or both. 3751e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// 3752e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// This type is used to keep track of a type name as written in the 3753465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// source code, including tag keywords and any nested-name-specifiers. 3754465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The type itself is always "sugar", used to express what was written 3755465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// in the source code but containing no additional semantic information. 3756465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass ElaboratedType : public TypeWithKeyword, public llvm::FoldingSetNode { 3757465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3758ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The nested name specifier containing the qualifier. 3759ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *NNS; 3760e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3761e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief The type that this qualified name refers to. 3762e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType; 3763e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3764465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 3765465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType, QualType CanonType) 3766465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara : TypeWithKeyword(Keyword, Elaborated, CanonType, 376735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor NamedType->isDependentType(), 3768561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor NamedType->isInstantiationDependentType(), 3769d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor NamedType->isVariablyModifiedType(), 3770d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor NamedType->containsUnexpandedParameterPack()), 3771465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), NamedType(NamedType) { 3772465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!(Keyword == ETK_None && NNS == 0) && 3773465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "ElaboratedType cannot have elaborated type keyword " 3774465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "and name qualifier both null."); 3775465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 3776e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3777e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor friend class ASTContext; // ASTContext creates these 3778e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3779e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregorpublic: 378033500955d731c73717af52088b7fc0e7a85681e7John McCall ~ElaboratedType(); 3781465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3782ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief Retrieve the qualification on this type. 3783ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 3784e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3785e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief Retrieve the type named by the qualified-id. 3786e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType getNamedType() const { return NamedType; } 3787e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3788bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 3789bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getNamedType(); } 3790bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3791bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 3792bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 3793bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3794e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 3795465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, NamedType); 3796e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 3797e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3798465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 3799465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, QualType NamedType) { 3800465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ID.AddInteger(Keyword); 3801ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor ID.AddPointer(NNS); 3802ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NamedType.Profile(ID); 3803ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor } 3804e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 38051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 3806465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return T->getTypeClass() == Elaborated; 3807e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 3808465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool classof(const ElaboratedType *T) { return true; } 3809e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor}; 3810e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 38114a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief Represents a qualified type name for which the type name is 38124a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent. 3813d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor/// 38144a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// DependentNameType represents a class of dependent types that involve a 38154a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent nested-name-specifier (e.g., "T::") followed by a (dependent) 38164a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// name of a type. The DependentNameType may start with a "typename" (for a 38174a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// typename-specifier), "class", "struct", "union", or "enum" (for a 38184a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent elaborated-type-specifier), or nothing (in contexts where we 38194a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// know that we must be referring to a type, e.g., in a base class specifier). 3820465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass DependentNameType : public TypeWithKeyword, public llvm::FoldingSetNode { 3821465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3822d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The nested name specifier containing the qualifier. 3823d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *NNS; 3824d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3825d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The type that this typename specifier refers to. 382633500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 3827d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 38284a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 38294a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, QualType CanonType) 383035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : TypeWithKeyword(Keyword, DependentName, CanonType, /*Dependent=*/true, 3831561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 3832d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, 3833d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor NNS->containsUnexpandedParameterPack()), 3834465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), Name(Name) { 38351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(NNS->isDependent() && 38364714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor "DependentNameType requires a dependent nested-name-specifier"); 3837d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3838d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3839d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor friend class ASTContext; // ASTContext creates these 3840d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3841d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregorpublic: 3842d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief Retrieve the qualification on this type. 3843d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 3844d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 38451734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// \brief Retrieve the type named by the typename specifier as an 38461734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// identifier. 38471734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// 38481734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// This routine will return a non-NULL identifier pointer when the 38491734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// form of the original typename was terminated by an identifier, 38501734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// e.g., "typename T::type". 38511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const IdentifierInfo *getIdentifier() const { 385233500955d731c73717af52088b7fc0e7a85681e7John McCall return Name; 38531734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 3854d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3855bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3856bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3857bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3858d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 3859465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, Name); 3860d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3861d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 38624a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 386333500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, const IdentifierInfo *Name) { 38644a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ID.AddInteger(Keyword); 3865d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor ID.AddPointer(NNS); 386633500955d731c73717af52088b7fc0e7a85681e7John McCall ID.AddPointer(Name); 3867d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3868d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 38691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 38704714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor return T->getTypeClass() == DependentName; 3871d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 38724714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor static bool classof(const DependentNameType *T) { return true; } 3873d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor}; 3874d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 387533500955d731c73717af52088b7fc0e7a85681e7John McCall/// DependentTemplateSpecializationType - Represents a template 387633500955d731c73717af52088b7fc0e7a85681e7John McCall/// specialization type whose template cannot be resolved, e.g. 387733500955d731c73717af52088b7fc0e7a85681e7John McCall/// A<T>::template B<T> 387833500955d731c73717af52088b7fc0e7a85681e7John McCallclass DependentTemplateSpecializationType : 387933500955d731c73717af52088b7fc0e7a85681e7John McCall public TypeWithKeyword, public llvm::FoldingSetNode { 388033500955d731c73717af52088b7fc0e7a85681e7John McCall 388133500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The nested name specifier containing the qualifier. 388233500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS; 388333500955d731c73717af52088b7fc0e7a85681e7John McCall 388433500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The identifier of the template. 388533500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 388633500955d731c73717af52088b7fc0e7a85681e7John McCall 388733500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief - The number of template arguments named in this class 388833500955d731c73717af52088b7fc0e7a85681e7John McCall /// template specialization. 388933500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs; 389033500955d731c73717af52088b7fc0e7a85681e7John McCall 389133500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgBuffer() const { 389233500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<const TemplateArgument*>(this+1); 389333500955d731c73717af52088b7fc0e7a85681e7John McCall } 389433500955d731c73717af52088b7fc0e7a85681e7John McCall TemplateArgument *getArgBuffer() { 389533500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<TemplateArgument*>(this+1); 389633500955d731c73717af52088b7fc0e7a85681e7John McCall } 389733500955d731c73717af52088b7fc0e7a85681e7John McCall 3898ef99001908e799c388f1363b1e607dad5f5b57d3John McCall DependentTemplateSpecializationType(ElaboratedTypeKeyword Keyword, 389933500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 390033500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 390133500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 390233500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args, 390333500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon); 390433500955d731c73717af52088b7fc0e7a85681e7John McCall 390533500955d731c73717af52088b7fc0e7a85681e7John McCall friend class ASTContext; // ASTContext creates these 390633500955d731c73717af52088b7fc0e7a85681e7John McCall 390733500955d731c73717af52088b7fc0e7a85681e7John McCallpublic: 390833500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *getQualifier() const { return NNS; } 390933500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *getIdentifier() const { return Name; } 391033500955d731c73717af52088b7fc0e7a85681e7John McCall 391133500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the template arguments. 391233500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgs() const { 391333500955d731c73717af52088b7fc0e7a85681e7John McCall return getArgBuffer(); 391433500955d731c73717af52088b7fc0e7a85681e7John McCall } 391533500955d731c73717af52088b7fc0e7a85681e7John McCall 391633500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the number of template arguments. 391733500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned getNumArgs() const { return NumArgs; } 391833500955d731c73717af52088b7fc0e7a85681e7John McCall 391933500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 392033500955d731c73717af52088b7fc0e7a85681e7John McCall 392133500955d731c73717af52088b7fc0e7a85681e7John McCall typedef const TemplateArgument * iterator; 392233500955d731c73717af52088b7fc0e7a85681e7John McCall iterator begin() const { return getArgs(); } 392333500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // inline in TemplateBase.h 392433500955d731c73717af52088b7fc0e7a85681e7John McCall 392533500955d731c73717af52088b7fc0e7a85681e7John McCall bool isSugared() const { return false; } 392633500955d731c73717af52088b7fc0e7a85681e7John McCall QualType desugar() const { return QualType(this, 0); } 392733500955d731c73717af52088b7fc0e7a85681e7John McCall 39284ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context) { 392933500955d731c73717af52088b7fc0e7a85681e7John McCall Profile(ID, Context, getKeyword(), NNS, Name, NumArgs, getArgs()); 393033500955d731c73717af52088b7fc0e7a85681e7John McCall } 393133500955d731c73717af52088b7fc0e7a85681e7John McCall 393233500955d731c73717af52088b7fc0e7a85681e7John McCall static void Profile(llvm::FoldingSetNodeID &ID, 39334ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context, 393433500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 393533500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *Qualifier, 393633500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 393733500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 393833500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args); 393933500955d731c73717af52088b7fc0e7a85681e7John McCall 394033500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const Type *T) { 394133500955d731c73717af52088b7fc0e7a85681e7John McCall return T->getTypeClass() == DependentTemplateSpecialization; 394233500955d731c73717af52088b7fc0e7a85681e7John McCall } 394333500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const DependentTemplateSpecializationType *T) { 394433500955d731c73717af52088b7fc0e7a85681e7John McCall return true; 394533500955d731c73717af52088b7fc0e7a85681e7John McCall } 394633500955d731c73717af52088b7fc0e7a85681e7John McCall}; 394733500955d731c73717af52088b7fc0e7a85681e7John McCall 39487536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// \brief Represents a pack expansion of types. 39497536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 39507536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// Pack expansions are part of C++0x variadic templates. A pack 39517536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// expansion contains a pattern, which itself contains one or more 39527536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// "unexpanded" parameter packs. When instantiated, a pack expansion 39537536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// produces a series of types, each instantiated from the pattern of 39547536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// the expansion, where the Ith instantiation of the pattern uses the 39557536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// Ith arguments bound to each of the unexpanded parameter packs. The 39567536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// pack expansion is considered to "expand" these unexpanded 39577536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// parameter packs. 39587536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 39597536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// \code 39607536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// template<typename ...Types> struct tuple; 39617536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 39627536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// template<typename ...Types> 39637536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// struct tuple_of_references { 39647536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// typedef tuple<Types&...> type; 39657536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// }; 39667536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// \endcode 39677536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 39687536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// Here, the pack expansion \c Types&... is represented via a 39697536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// PackExpansionType whose pattern is Types&. 39707536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregorclass PackExpansionType : public Type, public llvm::FoldingSetNode { 39717536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// \brief The pattern of the pack expansion. 39727536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType Pattern; 39737536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 3974cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// \brief The number of expansions that this pack expansion will 3975cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// generate when substituted (+1), or indicates that 3976cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// 3977cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// This field will only have a non-zero value when some of the parameter 3978cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// packs that occur within the pattern have been substituted but others have 3979cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// not. 3980cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor unsigned NumExpansions; 3981cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor 3982cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor PackExpansionType(QualType Pattern, QualType Canon, 3983cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> NumExpansions) 39847536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor : Type(PackExpansion, Canon, /*Dependent=*/true, 3985561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 39867536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /*VariableModified=*/Pattern->isVariablyModifiedType(), 39877536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 3988cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor Pattern(Pattern), 3989cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor NumExpansions(NumExpansions? *NumExpansions + 1: 0) { } 39907536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 39917536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor friend class ASTContext; // ASTContext creates these 3992cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor 39937536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregorpublic: 39947536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// \brief Retrieve the pattern of this pack expansion, which is the 39957536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// type that will be repeatedly instantiated when instantiating the 39967536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// pack expansion itself. 39977536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType getPattern() const { return Pattern; } 39987536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 3999cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// \brief Retrieve the number of expansions that this pack expansion will 4000cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// generate, if known. 4001cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> getNumExpansions() const { 4002cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor if (NumExpansions) 4003cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor return NumExpansions - 1; 4004cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor 4005cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor return llvm::Optional<unsigned>(); 4006cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor } 4007cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor 40087536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor bool isSugared() const { return false; } 40097536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType desugar() const { return QualType(this, 0); } 40107536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 40117536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 4012cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor Profile(ID, getPattern(), getNumExpansions()); 40137536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 40147536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 4015cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, QualType Pattern, 4016cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> NumExpansions) { 40177536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor ID.AddPointer(Pattern.getAsOpaquePtr()); 4018cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor ID.AddBoolean(NumExpansions); 4019cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor if (NumExpansions) 4020cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor ID.AddInteger(*NumExpansions); 40217536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 40227536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 40237536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor static bool classof(const Type *T) { 40247536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return T->getTypeClass() == PackExpansion; 40257536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 40267536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor static bool classof(const PackExpansionType *T) { 40277536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return true; 40287536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 40297536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor}; 40307536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 4031c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectType - Represents a class type in Objective C. 4032c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Every Objective C type is a combination of a base type and a 4033c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// list of protocols. 4034c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 4035c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Given the following declarations: 4036c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @class C; 4037c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @protocol P; 4038c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 4039c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C' is an ObjCInterfaceType C. It is sugar for an ObjCObjectType 4040c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// with base C and no protocols. 4041c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 4042c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C<P>' is an ObjCObjectType with base C and protocol list [P]. 4043c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 4044e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id' is a TypedefType which is sugar for an ObjCPointerType whose 4045e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// pointee is an ObjCObjectType with base BuiltinType::ObjCIdType 4046e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// and no protocols. 4047c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 4048e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id<P>' is an ObjCPointerType whose pointee is an ObjCObjecType 4049e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// with base BuiltinType::ObjCIdType and protocol list [P]. Eventually 4050e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// this should get its own sugar class to better represent the source. 4051c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectType : public Type { 4052b870b88df784c2940efce448ebfaf54dece14666John McCall // ObjCObjectType.NumProtocols - the number of protocols stored 4053b870b88df784c2940efce448ebfaf54dece14666John McCall // after the ObjCObjectPointerType node. 405471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // 405571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // These protocols are those written directly on the type. If 405671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // protocol qualifiers ever become additive, the iterators will need 405771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // to get kindof complicated. 405871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // 405971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // In the canonical object type, these are sorted alphabetically 406071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // and uniqued. 4061c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 4062c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Either a BuiltinType or an InterfaceType or sugar for either. 4063c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType BaseType; 4064c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4065c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *getProtocolStorage() const { 4066c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return const_cast<ObjCObjectType*>(this)->getProtocolStorage(); 4067c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4068c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4069c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl **getProtocolStorage(); 4070c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4071c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallprotected: 4072c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(QualType Canonical, QualType Base, 4073c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, unsigned NumProtocols); 4074c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4075c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum Nonce_ObjCInterface { Nonce_ObjCInterface }; 4076c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(enum Nonce_ObjCInterface) 4077561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(ObjCInterface, QualType(), false, false, false, false), 407871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall BaseType(QualType(this_(), 0)) { 4079b870b88df784c2940efce448ebfaf54dece14666John McCall ObjCObjectTypeBits.NumProtocols = 0; 408071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 4081c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 40823536b443bc50d58a79f14fca9b6842541a434854Steve Naroffpublic: 4083e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getBaseType - Gets the base type of this object type. This is 4084e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// always (possibly sugar for) one of: 4085e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'id' builtin type (as opposed to the 'id' type visible to the 4086e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user, which is a typedef for an ObjCPointerType) 4087e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'Class' builtin type (same caveat) 4088e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - an ObjCObjectType (currently always an ObjCInterfaceType) 4089c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType getBaseType() const { return BaseType; } 409071842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek 4091c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCId() const { 4092c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCId); 4093c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4094c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCClass() const { 4095c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCClass); 4096c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4097c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedId() const { return qual_empty() && isObjCId(); } 4098c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedClass() const { return qual_empty() && isObjCClass(); } 4099c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedIdOrClass() const { 4100c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!qual_empty()) return false; 4101c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const BuiltinType *T = getBaseType()->getAs<BuiltinType>()) 4102c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getKind() == BuiltinType::ObjCId || 4103c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getKind() == BuiltinType::ObjCClass; 4104c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return false; 4105c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4106c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedId() const { return !qual_empty() && isObjCId(); } 4107c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedClass() const { return !qual_empty() && isObjCClass(); } 4108c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4109c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Gets the interface declaration for this object type, if the base type 4110c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// really is an interface. 4111c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *getInterface() const; 4112c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4113c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCProtocolDecl * const *qual_iterator; 4114c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4115c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_begin() const { return getProtocolStorage(); } 4116c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { return qual_begin() + getNumProtocols(); } 4117c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4118c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getNumProtocols() == 0; } 41191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4120c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// getNumProtocols - Return the number of qualifying protocols in this 4121c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// interface type, or 0 if there are none. 4122b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getNumProtocols() const { return ObjCObjectTypeBits.NumProtocols; } 412314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4124c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// \brief Fetch a protocol by index. 412573dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 412673dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor assert(I < getNumProtocols() && "Out-of-range protocol access"); 412773dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor return qual_begin()[I]; 412873dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 412973dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 4130bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 4131bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 4132bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 4133c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const Type *T) { 4134c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getTypeClass() == ObjCObject || 4135c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getTypeClass() == ObjCInterface; 4136c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4137c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const ObjCObjectType *) { return true; } 4138c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 4139c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4140c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectTypeImpl - A class providing a concrete implementation 4141c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// of ObjCObjectType, so as to not increase the footprint of 4142c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType. Code outside of ASTContext and the core type 4143c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// system should not reference this type. 4144c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectTypeImpl : public ObjCObjectType, public llvm::FoldingSetNode { 4145c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; 4146c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4147c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If anyone adds fields here, ObjCObjectType::getProtocolStorage() 4148c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // will need to be modified. 4149c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4150c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl(QualType Canonical, QualType Base, 4151c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 4152c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols) 4153c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Canonical, Base, Protocols, NumProtocols) {} 4154c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4155c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 4156c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff void Profile(llvm::FoldingSetNodeID &ID); 41571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, 4158c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Base, 4159c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl *const *protocols, 4160c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols); 4161c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 41621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4163c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCProtocolDecl **ObjCObjectType::getProtocolStorage() { 4164c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return reinterpret_cast<ObjCProtocolDecl**>( 4165c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static_cast<ObjCObjectTypeImpl*>(this) + 1); 4166c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 4167c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4168c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType - Interfaces are the core concept in Objective-C for 4169c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// object oriented design. They basically correspond to C++ classes. There 4170c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// are two kinds of interface types, normal interfaces like "NSString" and 4171c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// qualified interfaces, which are qualified with a protocol list like 4172c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// "NSString<NSCopyable, NSAmazing>". 4173e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 4174e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCInterfaceType guarantees the following properties when considered 4175e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// as a subtype of its superclass, ObjCObjectType: 4176e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - There are no protocol qualifiers. To reinforce this, code which 4177e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// tries to invoke the protocol methods via an ObjCInterfaceType will 4178e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// fail to compile. 4179e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - It is its own base type. That is, if T is an ObjCInterfaceType*, 4180e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// T->getBaseType() == QualType(T, 0). 4181c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCInterfaceType : public ObjCObjectType { 4182c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *Decl; 4183c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4184c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceType(const ObjCInterfaceDecl *D) 4185c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Nonce_ObjCInterface), 4186c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Decl(const_cast<ObjCInterfaceDecl*>(D)) {} 4187c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; // ASTContext creates these. 41881fb0caaa7bef765b85972274e3b434af2572c141John McCall 4189c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 4190e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getDecl - Get the declaration of this interface. 4191deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceDecl *getDecl() const { return Decl; } 4192c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4193c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isSugared() const { return false; } 4194c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType desugar() const { return QualType(this, 0); } 41950b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 41961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 41971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCInterface; 41983536b443bc50d58a79f14fca9b6842541a434854Steve Naroff } 4199a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCInterfaceType *) { return true; } 4200c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4201c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Nonsense to "hide" certain members of ObjCObjectType within this 4202c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // class. People asking for protocols on an ObjCInterfaceType are 4203c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // not going to get what they want: ObjCInterfaceTypes are 4204c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // guaranteed to have no protocols. 4205c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum { 4206c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator, 4207c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_begin, 4208c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_end, 4209c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getNumProtocols, 4210c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getProtocol 4211c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall }; 42123536b443bc50d58a79f14fca9b6842541a434854Steve Naroff}; 42133536b443bc50d58a79f14fca9b6842541a434854Steve Naroff 4214c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCInterfaceDecl *ObjCObjectType::getInterface() const { 4215c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCInterfaceType *T = 4216c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getBaseType()->getAs<ObjCInterfaceType>()) 4217c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getDecl(); 4218c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return 0; 4219c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 4220c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4221e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCObjectPointerType - Used to represent a pointer to an 4222e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Objective C object. These are constructed from pointer 4223e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// declarators when the pointee type is an ObjCObjectType (or sugar 4224e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for one). In addition, the 'id' and 'Class' types are typedefs 4225e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for these, and the protocol-qualified types 'id<P>' and 'Class<P>' 4226e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// are translated into these. 422714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff/// 4228e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Pointers to pointers to Objective C objects are still PointerTypes; 4229e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// only the first level of pointer gets it own type implementation. 423014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffclass ObjCObjectPointerType : public Type, public llvm::FoldingSetNode { 4231e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall QualType PointeeType; 42321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4233c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType(QualType Canonical, QualType Pointee) 4234561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(ObjCObjectPointer, Canonical, false, false, false, false), 4235c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall PointeeType(Pointee) {} 423614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff friend class ASTContext; // ASTContext creates these. 42371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 423814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffpublic: 4239e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getPointeeType - Gets the type pointed to by this ObjC pointer. 4240e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The result will always be an ObjCObjectType or sugar thereof. 424114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const { return PointeeType; } 424214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4243e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getObjCObjectType - Gets the type pointed to by this ObjC 4244e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// pointer. This method always returns non-null. 4245e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 4246e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// This method is equivalent to getPointeeType() except that 4247e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// it discards any typedefs (or other sugar) between this 4248e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type and the "outermost" object type. So for: 4249e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @class A; @protocol P; @protocol Q; 4250e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A<P> AP; 4251e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A A1; 4252e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1<P> A1P; 4253e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1P<Q> A1PQ; 4254e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A*', getObjectType() will return 'A'. 4255e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A<P>*', getObjectType() will return 'A<P>'. 4256e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'AP*', getObjectType() will return 'A<P>'. 4257e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1*', getObjectType() will return 'A'. 4258e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1<P>*', getObjectType() will return 'A1<P>'. 4259e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1P*', getObjectType() will return 'A1<P>'. 4260e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1PQ*', getObjectType() will return 'A1<Q>', because 4261e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// adding protocols to a protocol-qualified base discards the 4262e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// old qualifiers (for now). But if it didn't, getObjectType() 4263e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// would return 'A1P<Q>' (and we'd have to make iterating over 4264e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers more complicated). 4265c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getObjectType() const { 4266d0370f59e79702ac908c81bf556519f91e9ca297John McCall return PointeeType->castAs<ObjCObjectType>(); 4267c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4268c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4269e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceType - If this pointer points to an Objective C 4270e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @interface type, gets the type for that interface. Any protocol 4271e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers on the interface are ignored. 4272e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 4273e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 42741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCInterfaceType *getInterfaceType() const { 4275c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getBaseType()->getAs<ObjCInterfaceType>(); 427614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4277e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4278e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceDecl - If this pointer points to an Objective @interface 4279e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type, gets the declaration for that interface. 4280e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 4281e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 428214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ObjCInterfaceDecl *getInterfaceDecl() const { 4283e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall return getObjectType()->getInterface(); 428414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4285e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4286e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCIdType - True if this is equivalent to the 'id' type, i.e. if 4287e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// its object type is the primitive 'id' type with no protocols. 428814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const { 4289c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedId(); 429014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4291e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4292e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCClassType - True if this is equivalent to the 'Class' type, 4293e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// i.e. if its object tive is the primitive 'Class' type with no protocols. 429414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const { 4295c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedClass(); 4296de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 42978d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian 4298e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedIdType - True if this is equivalent to 'id<P>' for some 4299e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// non-empty set of protocols. 43001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isObjCQualifiedIdType() const { 4301c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedId(); 4302de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 4303e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4304e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedClassType - True if this is equivalent to 'Class<P>' for 4305e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// some non-empty set of protocols. 4306470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const { 4307c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedClass(); 430814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4309e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4310e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// An iterator over the qualifiers on the object type. Provided 4311e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// for convenience. This will always iterate over the full set of 4312e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// protocols on a type, not just those provided directly. 4313c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCObjectType::qual_iterator qual_iterator; 431414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 431571842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek qual_iterator qual_begin() const { 4316c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_begin(); 431771842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 4318c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { 4319c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_end(); 432071842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 4321c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getObjectType()->qual_empty(); } 432214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4323e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getNumProtocols - Return the number of qualifying protocols on 4324e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// the object type. 4325c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned getNumProtocols() const { 4326c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getNumProtocols(); 4327c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 432814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4329e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \brief Retrieve a qualifying protocol by index on the object 4330e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type. 433173dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 4332c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getProtocol(I); 433373dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 433473dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 4335bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 4336bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 4337bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 4338e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall void Profile(llvm::FoldingSetNodeID &ID) { 4339e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall Profile(ID, getPointeeType()); 4340e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall } 4341c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, QualType T) { 4342c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ID.AddPointer(T.getAsOpaquePtr()); 4343c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 43441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 43451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCObjectPointer; 434614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 434714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff static bool classof(const ObjCObjectPointerType *) { return true; } 434814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff}; 43491bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 43500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// A qualifier set is used to build a set of qualifiers. 43510953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualifierCollector : public Qualifiers { 43520953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 435349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualifierCollector(Qualifiers Qs = Qualifiers()) : Qualifiers(Qs) {} 43540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 43550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Collect any qualifiers on the given type and return an 43563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// unqualified type. The qualifiers are assumed to be consistent 43573b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// with those already in the type. 43583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *strip(QualType type) { 43593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall addFastQualifiers(type.getLocalFastQualifiers()); 43603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!type.hasLocalNonFastQualifiers()) 43613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return type.getTypePtrUnsafe(); 43623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 43633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ExtQuals *extQuals = type.getExtQualsUnsafe(); 43643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall addConsistentQualifiers(extQuals->getQualifiers()); 43653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return extQuals->getBaseType(); 43660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 43670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 43680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 43694ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType apply(const ASTContext &Context, QualType QT) const; 43700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 43710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 43724ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType apply(const ASTContext &Context, const Type* T) const; 43730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 43740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 43750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4376611c1fff195d32df97706e0920c92468b2509900Chris Lattner// Inline function definitions. 43775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 43783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline const Type *QualType::getTypePtr() const { 43793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getCommonPtr()->BaseType; 43803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 43813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 43823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline const Type *QualType::getTypePtrOrNull() const { 43833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return (isNull() ? 0 : getCommonPtr()->BaseType); 43843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 43853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 43863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline SplitQualType QualType::split() const { 43873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!hasLocalNonFastQualifiers()) 43883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return SplitQualType(getTypePtrUnsafe(), 43893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers::fromFastMask(getLocalFastQualifiers())); 43903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 43913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ExtQuals *eq = getExtQualsUnsafe(); 43923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs = eq->getQualifiers(); 43933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall qs.addFastQualifiers(getLocalFastQualifiers()); 43943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return SplitQualType(eq->getBaseType(), qs); 43953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 43963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 43973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline Qualifiers QualType::getLocalQualifiers() const { 43983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers Quals; 43993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (hasLocalNonFastQualifiers()) 44003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals = getExtQualsUnsafe()->getQualifiers(); 44013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals.addFastQualifiers(getLocalFastQualifiers()); 44023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return Quals; 44033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 44043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 44053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline Qualifiers QualType::getQualifiers() const { 44063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers quals = getCommonPtr()->CanonicalType.getLocalQualifiers(); 44073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall quals.addFastQualifiers(getLocalFastQualifiers()); 44083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return quals; 44093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 44103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 44113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline unsigned QualType::getCVRQualifiers() const { 44123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned cvr = getCommonPtr()->CanonicalType.getLocalCVRQualifiers(); 44133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall cvr |= getLocalCVRQualifiers(); 44143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return cvr; 44153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 44163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 44173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline QualType QualType::getCanonicalType() const { 44183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon = getCommonPtr()->CanonicalType; 44193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return canon.withFastQualifiers(getLocalFastQualifiers()); 44203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 44213b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 4422467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCallinline bool QualType::isCanonical() const { 44233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getTypePtr()->isCanonicalUnqualified(); 4424467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall} 4425467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 442654e14c4db764c0636160d26c5bbf491637c83a76John McCallinline bool QualType::isCanonicalAsParam() const { 44273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!isCanonical()) return false; 4428a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalQualifiers()) return false; 4429745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 443054e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *T = getTypePtr(); 44313b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (T->isVariablyModifiedType() && T->hasSizedVLAType()) 44323b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return false; 44333b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 44343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return !isa<FunctionType>(T) && !isa<ArrayType>(T); 443554e14c4db764c0636160d26c5bbf491637c83a76John McCall} 443654e14c4db764c0636160d26c5bbf491637c83a76John McCall 4437fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isConstQualified() const { 4438fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalConstQualified() || 44393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.isLocalConstQualified(); 4440fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4441fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4442fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isRestrictQualified() const { 4443fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalRestrictQualified() || 44443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.isLocalRestrictQualified(); 4445fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4446fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4447fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4448fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isVolatileQualified() const { 4449fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalVolatileQualified() || 44503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.isLocalVolatileQualified(); 4451fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4452fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4453fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::hasQualifiers() const { 4454fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return hasLocalQualifiers() || 44553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.hasLocalQualifiers(); 4456fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 445762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 445862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline QualType QualType::getUnqualifiedType() const { 445962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall if (!getTypePtr()->getCanonicalTypeInternal().hasLocalQualifiers()) 446062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(getTypePtr(), 0); 446162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 446262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(getSplitUnqualifiedTypeImpl(*this).first, 0); 446362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall} 446462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 446562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline SplitQualType QualType::getSplitUnqualifiedType() const { 446662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall if (!getTypePtr()->getCanonicalTypeInternal().hasLocalQualifiers()) 446762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return split(); 446862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 446962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getSplitUnqualifiedTypeImpl(*this); 4470fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4471fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 447249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalConst() { 447349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Const); 44740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 44750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 447649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalRestrict() { 447749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Restrict); 44780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 44790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 448049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalVolatile() { 448149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Volatile); 44820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 44830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 448449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalCVRQualifiers(unsigned Mask) { 44856b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall assert(!(Mask & ~Qualifiers::CVRMask) && "mask has non-CVR bits"); 4486c3c0af36bac3d71f61dd758585ab307892545de4Douglas Gregor assert((int)Qualifiers::CVRMask == (int)Qualifiers::FastMask); 44870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 44880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast path: we don't need to touch the slow qualifiers. 448949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Mask); 4490ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 4491ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 4492ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb/// getAddressSpace - Return the address space of this type. 4493ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lambinline unsigned QualType::getAddressSpace() const { 44943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getQualifiers().getAddressSpace(); 4495ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 4496611c1fff195d32df97706e0920c92468b2509900Chris Lattner 4497d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian/// getObjCGCAttr - Return the gc attribute of this type. 44980953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline Qualifiers::GC QualType::getObjCGCAttr() const { 44993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getQualifiers().getObjCGCAttr(); 4500d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 45012455636163fdd18581d7fdae816433f886d88213Mike Stump 4502264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(const Type &t) { 4503264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola if (const PointerType *PT = t.getAs<PointerType>()) { 4504183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const FunctionType *FT = PT->getPointeeType()->getAs<FunctionType>()) 4505264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 4506264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } else if (const FunctionType *FT = t.getAs<FunctionType>()) 4507264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 45082455636163fdd18581d7fdae816433f886d88213Mike Stump 4509264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FunctionType::ExtInfo(); 45102455636163fdd18581d7fdae816433f886d88213Mike Stump} 45111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4512264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(QualType t) { 4513264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getFunctionExtInfo(*t); 4514ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 4515ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 4516e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isMoreQualifiedThan - Determine whether this type is more 4517e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// qualified than the Other type. For example, "const volatile int" 4518e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// is more qualified than "const int", "volatile int", and 4519e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int". However, it is not more qualified than "const volatile 4520e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int". 452162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline bool QualType::isMoreQualifiedThan(QualType other) const { 452262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Qualifiers myQuals = getQualifiers(); 452362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Qualifiers otherQuals = other.getQualifiers(); 452462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return (myQuals != otherQuals && myQuals.compatiblyIncludes(otherQuals)); 4525e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 4526e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 4527e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isAtLeastAsQualifiedAs - Determine whether this type is at last 4528e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// as qualified as the Other type. For example, "const volatile 4529e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int" is at least as qualified as "const int", "volatile int", 4530e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int", and "const volatile int". 453162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline bool QualType::isAtLeastAsQualifiedAs(QualType other) const { 453262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getQualifiers().compatiblyIncludes(other.getQualifiers()); 4533e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 4534e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 4535e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// getNonReferenceType - If Type is a reference type (e.g., const 4536e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int&), returns the type that the reference refers to ("const 4537e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int"). Otherwise, returns the type itself. This routine is used 4538e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// throughout Sema to implement C++ 5p6: 4539e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 4540e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// If an expression initially has the type "reference to T" (8.3.2, 4541e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 8.5.3), the type is adjusted to "T" prior to any further 4542e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// analysis, the expression designates the object or function 4543e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// denoted by the reference, and the expression is an lvalue. 4544e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline QualType QualType::getNonReferenceType() const { 45456217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType *RefType = (*this)->getAs<ReferenceType>()) 4546e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return RefType->getPointeeType(); 4547e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor else 4548e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return *this; 4549e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 4550e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 45512b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregorinline bool QualType::isCForbiddenLValueType() const { 45522b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor return ((getTypePtr()->isVoidType() && !hasQualifiers()) || 45532b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor getTypePtr()->isFunctionType()); 45542b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor} 45552b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor 4556aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// \brief Tests whether the type is categorized as a fundamental type. 4557aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// 4558aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// \returns True for types specified in C++0x [basic.fundamental]. 4559aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruthinline bool Type::isFundamentalType() const { 4560aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth return isVoidType() || 4561aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // FIXME: It's really annoying that we don't have an 4562aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // 'isArithmeticType()' which agrees with the standard definition. 4563aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth (isArithmeticType() && !isEnumeralType()); 4564aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth} 4565aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth 4566aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// \brief Tests whether the type is categorized as a compound type. 4567aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// 4568aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// \returns True for types specified in C++0x [basic.compound]. 4569aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruthinline bool Type::isCompoundType() const { 4570aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // C++0x [basic.compound]p1: 4571aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // Compound types can be constructed in the following ways: 4572aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- arrays of objects of a given type [...]; 4573aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth return isArrayType() || 4574aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- functions, which have parameters of given types [...]; 4575aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isFunctionType() || 4576aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- pointers to void or objects or functions [...]; 4577aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isPointerType() || 4578aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- references to objects or functions of a given type. [...] 4579aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isReferenceType() || 4580aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- classes containing a sequence of objects of various types, [...]; 4581aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isRecordType() || 4582aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- unions, which ar classes capable of containing objects of different types at different times; 4583aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isUnionType() || 4584aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- enumerations, which comprise a set of named constant values. [...]; 4585aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isEnumeralType() || 4586aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- pointers to non-static class members, [...]. 4587aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isMemberPointerType(); 4588aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth} 4589aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth 4590611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isFunctionType() const { 4591a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<FunctionType>(CanonicalType); 4592611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4593611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isPointerType() const { 4594a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<PointerType>(CanonicalType); 4595611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 459658f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroffinline bool Type::isAnyPointerType() const { 459758f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff return isPointerType() || isObjCObjectPointerType(); 459858f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff} 45995618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffinline bool Type::isBlockPointerType() const { 4600a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<BlockPointerType>(CanonicalType); 46015618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 4602bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattnerinline bool Type::isReferenceType() const { 4603a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ReferenceType>(CanonicalType); 4604bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner} 46057c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isLValueReferenceType() const { 4606a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<LValueReferenceType>(CanonicalType); 46077c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 46087c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isRValueReferenceType() const { 4609a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RValueReferenceType>(CanonicalType); 46107c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 4611498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenekinline bool Type::isFunctionPointerType() const { 4612d0370f59e79702ac908c81bf556519f91e9ca297John McCall if (const PointerType *T = getAs<PointerType>()) 4613498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return T->getPointeeType()->isFunctionType(); 4614498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek else 4615498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return false; 4616498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek} 4617f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberPointerType() const { 4618a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<MemberPointerType>(CanonicalType); 4619f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 4620f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberFunctionPointerType() const { 46216217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const MemberPointerType* T = getAs<MemberPointerType>()) 46220bab0cdab751248ca389a5592bcb70eac5d39260John McCall return T->isMemberFunctionPointer(); 4623f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl else 4624f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return false; 4625f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 4626db68e28c05a67735211e688009890cf834c22e75Douglas Gregorinline bool Type::isMemberDataPointerType() const { 4627db68e28c05a67735211e688009890cf834c22e75Douglas Gregor if (const MemberPointerType* T = getAs<MemberPointerType>()) 46280bab0cdab751248ca389a5592bcb70eac5d39260John McCall return T->isMemberDataPointer(); 4629db68e28c05a67735211e688009890cf834c22e75Douglas Gregor else 4630db68e28c05a67735211e688009890cf834c22e75Douglas Gregor return false; 4631db68e28c05a67735211e688009890cf834c22e75Douglas Gregor} 4632611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isArrayType() const { 4633a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ArrayType>(CanonicalType); 4634611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4635c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isConstantArrayType() const { 4636a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ConstantArrayType>(CanonicalType); 4637c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 4638c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isIncompleteArrayType() const { 4639a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<IncompleteArrayType>(CanonicalType); 4640c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 4641c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isVariableArrayType() const { 4642a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VariableArrayType>(CanonicalType); 4643c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 4644898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorinline bool Type::isDependentSizedArrayType() const { 4645a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<DependentSizedArrayType>(CanonicalType); 4646898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 46473ff83dd534ccc828203670ce3f5125a4eb4199f8John McCallinline bool Type::isBuiltinType() const { 46483ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall return isa<BuiltinType>(CanonicalType); 46493ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall} 4650611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isRecordType() const { 4651a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RecordType>(CanonicalType); 4652611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 46533ff83dd534ccc828203670ce3f5125a4eb4199f8John McCallinline bool Type::isEnumeralType() const { 46543ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall return isa<EnumType>(CanonicalType); 46553ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall} 4656f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattnerinline bool Type::isAnyComplexType() const { 4657a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ComplexType>(CanonicalType); 4658f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner} 4659611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isVectorType() const { 4660a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VectorType>(CanonicalType); 4661611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4662213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemaninline bool Type::isExtVectorType() const { 4663a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ExtVectorType>(CanonicalType); 4664611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4665d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroffinline bool Type::isObjCObjectPointerType() const { 4666a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ObjCObjectPointerType>(CanonicalType); 4667d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 4668c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline bool Type::isObjCObjectType() const { 4669c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isa<ObjCObjectType>(CanonicalType); 4670368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner} 4671569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorinline bool Type::isObjCObjectOrInterfaceType() const { 4672569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return isa<ObjCInterfaceType>(CanonicalType) || 4673569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor isa<ObjCObjectType>(CanonicalType); 4674569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 4675569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 4676a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekinline bool Type::isObjCQualifiedIdType() const { 4677183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 4678d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return OPT->isObjCQualifiedIdType(); 4679d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return false; 4680d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian} 4681470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroffinline bool Type::isObjCQualifiedClassType() const { 4682183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 4683470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return OPT->isObjCQualifiedClassType(); 4684470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return false; 4685470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff} 468614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCIdType() const { 4687183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 468814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCIdType(); 468914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 469014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 469114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCClassType() const { 4692183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 469314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCClassType(); 469414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 469514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 469613dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanianinline bool Type::isObjCSelType() const { 46978d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (const PointerType *OPT = getAs<PointerType>()) 46988d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return OPT->getPointeeType()->isSpecificBuiltinType(BuiltinType::ObjCSel); 469913dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return false; 470013dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian} 4701de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroffinline bool Type::isObjCBuiltinType() const { 470213dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return isObjCIdType() || isObjCClassType() || isObjCSelType(); 4703de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff} 470472c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregorinline bool Type::isTemplateTypeParmType() const { 4705a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<TemplateTypeParmType>(CanonicalType); 470672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor} 470772c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 4708e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbarinline bool Type::isSpecificBuiltinType(unsigned K) const { 4709183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = getAs<BuiltinType>()) 4710e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar if (BT->getKind() == (BuiltinType::Kind) K) 4711e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return true; 4712e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return false; 4713e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar} 4714e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 47152a984cad5ac3fdceeff2bd99daa7b90979313475John McCallinline bool Type::isPlaceholderType() const { 47162a984cad5ac3fdceeff2bd99daa7b90979313475John McCall if (const BuiltinType *BT = getAs<BuiltinType>()) 47172a984cad5ac3fdceeff2bd99daa7b90979313475John McCall return BT->isPlaceholderType(); 47182a984cad5ac3fdceeff2bd99daa7b90979313475John McCall return false; 47192a984cad5ac3fdceeff2bd99daa7b90979313475John McCall} 47202a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 4721864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCallinline bool Type::isSpecificPlaceholderType(unsigned K) const { 4722864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall if (const BuiltinType *BT = dyn_cast<BuiltinType>(this)) 4723864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall return (BT->getKind() == (BuiltinType::Kind) K); 4724864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall return false; 4725864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall} 4726864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 4727063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// \brief Determines whether this is a type for which one can define 4728063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// an overloaded operator. 4729063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregorinline bool Type::isOverloadableType() const { 4730063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor return isDependentType() || isRecordType() || isEnumeralType(); 4731904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor} 4732904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor 4733bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth/// \brief Determines whether this type can decay to a pointer type. 4734bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruthinline bool Type::canDecayToPointerType() const { 4735bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth return isFunctionType() || isArrayType(); 4736bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth} 4737bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth 47388958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbarinline bool Type::hasPointerRepresentation() const { 47398958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar return (isPointerType() || isReferenceType() || isBlockPointerType() || 4740c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall isObjCObjectPointerType() || isNullPtrType()); 47418958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar} 47428958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 4743820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanianinline bool Type::hasObjCPointerRepresentation() const { 4744c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isObjCObjectPointerType(); 4745820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian} 4746820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 4747d0370f59e79702ac908c81bf556519f91e9ca297John McCallinline const Type *Type::getBaseElementTypeUnsafe() const { 4748d0370f59e79702ac908c81bf556519f91e9ca297John McCall const Type *type = this; 4749d0370f59e79702ac908c81bf556519f91e9ca297John McCall while (const ArrayType *arrayType = type->getAsArrayTypeUnsafe()) 4750d0370f59e79702ac908c81bf556519f91e9ca297John McCall type = arrayType->getElementType().getTypePtr(); 4751d0370f59e79702ac908c81bf556519f91e9ca297John McCall return type; 4752d0370f59e79702ac908c81bf556519f91e9ca297John McCall} 4753d0370f59e79702ac908c81bf556519f91e9ca297John McCall 475422caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// Insertion operator for diagnostics. This allows sending QualType's into a 475522caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// diagnostic with <<. 475622caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 475722caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner QualType T) { 475822caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner DB.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 475922caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner Diagnostic::ak_qualtype); 476022caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner return DB; 476122caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner} 47621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 476347c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// Insertion operator for partial diagnostics. This allows sending QualType's 476447c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// into a diagnostic with <<. 476547c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruthinline const PartialDiagnostic &operator<<(const PartialDiagnostic &PD, 476647c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth QualType T) { 476747c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth PD.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 476847c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth Diagnostic::ak_qualtype); 476947c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth return PD; 477047c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth} 477147c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth 477289c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// Helper class template that is used by Type::getAs to ensure that one does 477389c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// not try to look through a qualified type to get to an array type. 477489c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T, 477589c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor bool isArrayType = (llvm::is_same<T, ArrayType>::value || 477689c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor llvm::is_base_of<ArrayType, T>::value)> 477789c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs { }; 477889c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 477989c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T> 478089c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs<T, true>; 478189c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 47821a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek/// Member-template getAs<specific type>'. 47831a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenektemplate <typename T> const T *Type::getAs() const { 478489c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor ArrayType_cannot_be_used_with_getAs<T> at; 478589c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor (void)at; 478689c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 47871a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If this is directly a T type, return it. 47881a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek if (const T *Ty = dyn_cast<T>(this)) 47891a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return Ty; 47901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47911a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If the canonical form of this type isn't the right kind, reject it. 47920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<T>(CanonicalType)) 47931a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return 0; 47941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this is a typedef for the type, strip the typedef off without 47961a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // losing all typedef information. 4797bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return cast<T>(getUnqualifiedDesugaredType()); 47981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump} 479922caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner 48003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline const ArrayType *Type::getAsArrayTypeUnsafe() const { 48013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If this is directly an array type, return it. 48023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (const ArrayType *arr = dyn_cast<ArrayType>(this)) 48033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return arr; 48043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 48053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the canonical form of this type isn't the right kind, reject it. 48063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!isa<ArrayType>(CanonicalType)) 48073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return 0; 48083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 48093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If this is a typedef for the type, strip the typedef off without 48103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // losing all typedef information. 48113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return cast<ArrayType>(getUnqualifiedDesugaredType()); 48123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 48133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 4814d0370f59e79702ac908c81bf556519f91e9ca297John McCalltemplate <typename T> const T *Type::castAs() const { 4815d0370f59e79702ac908c81bf556519f91e9ca297John McCall ArrayType_cannot_be_used_with_getAs<T> at; 4816d0370f59e79702ac908c81bf556519f91e9ca297John McCall (void) at; 4817d0370f59e79702ac908c81bf556519f91e9ca297John McCall 4818d0370f59e79702ac908c81bf556519f91e9ca297John McCall assert(isa<T>(CanonicalType)); 4819d0370f59e79702ac908c81bf556519f91e9ca297John McCall if (const T *ty = dyn_cast<T>(this)) return ty; 4820d0370f59e79702ac908c81bf556519f91e9ca297John McCall return cast<T>(getUnqualifiedDesugaredType()); 4821d0370f59e79702ac908c81bf556519f91e9ca297John McCall} 4822d0370f59e79702ac908c81bf556519f91e9ca297John McCall 4823d0370f59e79702ac908c81bf556519f91e9ca297John McCallinline const ArrayType *Type::castAsArrayTypeUnsafe() const { 4824d0370f59e79702ac908c81bf556519f91e9ca297John McCall assert(isa<ArrayType>(CanonicalType)); 4825d0370f59e79702ac908c81bf556519f91e9ca297John McCall if (const ArrayType *arr = dyn_cast<ArrayType>(this)) return arr; 4826d0370f59e79702ac908c81bf556519f91e9ca297John McCall return cast<ArrayType>(getUnqualifiedDesugaredType()); 4827d0370f59e79702ac908c81bf556519f91e9ca297John McCall} 4828d0370f59e79702ac908c81bf556519f91e9ca297John McCall 48295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 48305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 48315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 4832