Type.h revision bc8d7f9fd4346cfcc285868be32b74e019a40f01
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 852f85e193739c953358c865005855253af4f68a497John McCall /// \brief Determine whether this type has trivial copy-assignment semantics. 853f85e193739c953358c865005855253af4f68a497John McCall bool hasTrivialCopyAssignment(ASTContext &Context) const; 854f85e193739c953358c865005855253af4f68a497John McCall 855bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCallprivate: 856bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // These methods are implemented in a separate translation unit; 857bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // "static"-ize them to avoid creating temporary QualTypes in the 858bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // caller. 859bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall static bool isConstant(QualType T, ASTContext& Ctx); 8604ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static QualType getDesugaredType(QualType T, const ASTContext &Context); 86149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static SplitQualType getSplitDesugaredType(QualType T); 86262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall static SplitQualType getSplitUnqualifiedTypeImpl(QualType type); 863075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static QualType IgnoreParens(QualType T); 8640d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall static DestructionKind isDestructedTypeImpl(QualType type); 8655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end clang. 8685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace llvm { 8705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Implement simplify_type for QualType, so that we can dyn_cast from QualType 8715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// to a specific Type class. 8725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type<const ::clang::QualType> { 873f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall typedef const ::clang::Type *SimpleType; 8745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static SimpleType getSimplifiedValue(const ::clang::QualType &Val) { 8754472fc641ea3069463798fb56a04043c28ea2910Douglas Gregor return Val.getTypePtr(); 8765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 8785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type< ::clang::QualType> 8795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : public simplify_type<const ::clang::QualType> {}; 8801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8814e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner// Teach SmallPtrSet that QualType is "basically a pointer". 8824e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnertemplate<> 883daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattnerclass PointerLikeTypeTraits<clang::QualType> { 8844e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnerpublic: 8854e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline void *getAsVoidPointer(clang::QualType P) { 8864e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return P.getAsOpaquePtr(); 8874e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 8884e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline clang::QualType getFromVoidPointer(void *P) { 8894e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return clang::QualType::getFromOpaquePtr(P); 8904e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 8910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Various qualifiers go in low bits. 8920eda3b31a672ea486fa92b9bc49a2c91be856b53Chris Lattner enum { NumLowBitsAvailable = 0 }; 8934e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner}; 8941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 89573af669633e13c813f80cd15ecf3e6414778aee4Ted Kremenek} // end namespace llvm 8965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 8985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 8993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// \brief Base class that is common to both the \c ExtQuals and \c Type 9003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// classes, which allows \c QualType to access the common fields between the 9013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// two. 9023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// 9033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallclass ExtQualsTypeCommonBase { 9043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQualsTypeCommonBase(const Type *baseType, QualType canon) 9053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall : BaseType(baseType), CanonicalType(canon) {} 9063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// \brief The "base" type of an extended qualifiers type (\c ExtQuals) or 9083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// a self-referential pointer (for \c Type). 9093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// 9103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// This pointer allows an efficient mapping from a QualType to its 9113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// underlying type pointer. 9123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *const BaseType; 9133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// \brief The canonical type of this type. A QualType. 9153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType CanonicalType; 9163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall friend class QualType; 9183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall friend class Type; 9193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall friend class ExtQuals; 9203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall}; 9213b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// ExtQuals - We can encode up to four bits in the low bits of a 9233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// type pointer, but there are many more type qualifiers that we want 9243b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// to be able to apply to an arbitrary type. Therefore we have this 9253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// struct, intended to be heap-allocated and used by QualType to 9263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// store qualifiers. 9273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// 9283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// The current design tags the 'const', 'restrict', and 'volatile' qualifiers 9293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// in three low bits on the QualType pointer; a fourth bit records whether 9303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// the pointer is an ExtQuals node. The extended qualifiers (address spaces, 9313b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// Objective-C GC attributes) are much more rare. 9323b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallclass ExtQuals : public ExtQualsTypeCommonBase, public llvm::FoldingSetNode { 9333b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // NOTE: changing the fast qualifiers should be straightforward as 9343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // long as you don't make 'const' non-fast. 9353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // 1. Qualifiers: 9363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // a) Modify the bitmasks (Qualifiers::TQ and DeclSpec::TQ). 9373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Fast qualifiers must occupy the low-order bits. 9383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // b) Update Qualifiers::FastWidth and FastMask. 9393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // 2. QualType: 9403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // a) Update is{Volatile,Restrict}Qualified(), defined inline. 9413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // b) Update remove{Volatile,Restrict}, defined near the end of 9423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // this header. 9433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // 3. ASTContext: 9443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // a) Update get{Volatile,Restrict}Type. 9453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// Quals - the immutable set of qualifiers applied by this 9473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// node; always contains extended qualifiers. 9483b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers Quals; 9493b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals *this_() { return this; } 9513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9523b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallpublic: 9533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals(const Type *baseType, QualType canon, Qualifiers quals) 9543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall : ExtQualsTypeCommonBase(baseType, 9553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon.isNull() ? QualType(this_(), 0) : canon), 9563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals(quals) 9573b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall { 9583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(Quals.hasNonFastQualifiers() 9593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall && "ExtQuals created with no fast qualifiers"); 9603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!Quals.hasFastQualifiers() 9613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall && "ExtQuals created with fast qualifiers"); 9623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 9633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers getQualifiers() const { return Quals; } 9653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall bool hasObjCGCAttr() const { return Quals.hasObjCGCAttr(); } 9673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers::GC getObjCGCAttr() const { return Quals.getObjCGCAttr(); } 9683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 969f85e193739c953358c865005855253af4f68a497John McCall bool hasObjCLifetime() const { return Quals.hasObjCLifetime(); } 970f85e193739c953358c865005855253af4f68a497John McCall Qualifiers::ObjCLifetime getObjCLifetime() const { 971f85e193739c953358c865005855253af4f68a497John McCall return Quals.getObjCLifetime(); 972f85e193739c953358c865005855253af4f68a497John McCall } 973f85e193739c953358c865005855253af4f68a497John McCall 9743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall bool hasAddressSpace() const { return Quals.hasAddressSpace(); } 9753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned getAddressSpace() const { return Quals.getAddressSpace(); } 9763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *getBaseType() const { return BaseType; } 9783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 9793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallpublic: 9803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void Profile(llvm::FoldingSetNodeID &ID) const { 9813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Profile(ID, getBaseType(), Quals); 9823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 9833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall static void Profile(llvm::FoldingSetNodeID &ID, 9843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *BaseType, 9853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers Quals) { 9863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!Quals.hasFastQualifiers() && "fast qualifiers in ExtQuals hash!"); 9873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ID.AddPointer(BaseType); 9883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals.Profile(ID); 9893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 9903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall}; 9913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 992c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor/// \brief The kind of C++0x ref-qualifier associated with a function type, 993c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor/// which determines whether a member function's "this" object can be an 994c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor/// lvalue, rvalue, or neither. 995c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregorenum RefQualifierKind { 996c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief No ref-qualifier was provided. 997c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RQ_None = 0, 998c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief An lvalue ref-qualifier was provided (\c &). 999c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RQ_LValue, 1000c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief An rvalue ref-qualifier was provided (\c &&). 1001c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RQ_RValue 1002c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor}; 1003c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 10045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Type - This is the base class of the type hierarchy. A central concept 10055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// with types is that each type always has a canonical type. A canonical type 10065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is the type with any typedef names stripped out of it or the types it 10075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// references. For example, consider: 10085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef int foo; 10105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef foo* bar; 10115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int *' 'foo *' 'bar' 10125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// There will be a Type object created for 'int'. Since int is canonical, its 10145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonicaltype pointer points to itself. There is also a Type for 'foo' (a 101572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypedefType). Its CanonicalType pointer points to the 'int' Type. Next 10165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// there is a PointerType that represents 'int*', which, like 'int', is 10175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonical. Finally, there is a PointerType type for 'foo*' whose canonical 101872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// type is 'int*', and there is a TypedefType for 'bar', whose canonical type 10195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is also 'int*'. 10205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Non-canonical types are useful for emitting diagnostics, without losing 10225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// information about typedefs being used. Canonical types are useful for type 10235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// comparisons (they allow by-pointer equality tests) and useful for reasoning 10245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// about whether something has a particular form (e.g. is a function type), 10255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// because they implicitly, recursively, strip all typedefs out of a type. 10265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Types, once created, are immutable. 10285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 10291ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregorclass Type : public ExtQualsTypeCommonBase { 10305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 10315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum TypeClass { 103272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) Class, 103327935ee59c30b0d8b610ab676aab8e65350af932John McCall#define LAST_TYPE(Class) TypeLast = Class, 103472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 103572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 103672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor TagFirst = Record, TagLast = Enum 10375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 10381bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 10395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 1040c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Type(const Type&); // DO NOT IMPLEMENT. 1041c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void operator=(const Type&); // DO NOT IMPLEMENT. 1042c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 1043b870b88df784c2940efce448ebfaf54dece14666John McCall /// Bitfields required by the Type class. 1044b870b88df784c2940efce448ebfaf54dece14666John McCall class TypeBitfields { 1045b870b88df784c2940efce448ebfaf54dece14666John McCall friend class Type; 1046b7b2688bab0eac053d3e2938b329c8e523fd252bJohn McCall template <class T> friend class TypePropertyCache; 104727935ee59c30b0d8b610ab676aab8e65350af932John McCall 1048b870b88df784c2940efce448ebfaf54dece14666John McCall /// TypeClass bitfield - Enum that specifies what subclass this belongs to. 1049b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned TC : 8; 1050b870b88df784c2940efce448ebfaf54dece14666John McCall 1051b870b88df784c2940efce448ebfaf54dece14666John McCall /// Dependent - Whether this type is a dependent type (C++ [temp.dep.type]). 1052b870b88df784c2940efce448ebfaf54dece14666John McCall /// Note that this should stay at the end of the ivars for Type so that 1053b870b88df784c2940efce448ebfaf54dece14666John McCall /// subclasses can pack their bitfields into the same word. 1054bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned Dependent : 1; 105560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 1056b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Whether this type is a variably-modified type (C99 6.7.5). 1057bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned VariablyModified : 1; 1058d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 1059d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Whether this type contains an unexpanded parameter pack 1060d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// (for C++0x variadic templates). 1061d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned ContainsUnexpandedParameterPack : 1; 106235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 10631fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Nonzero if the cache (i.e. the bitfields here starting 10641fb0caaa7bef765b85972274e3b434af2572c141John McCall /// with 'Cache') is valid. If so, then this is a 10651fb0caaa7bef765b85972274e3b434af2572c141John McCall /// LangOptions::VisibilityMode+1. 10661fb0caaa7bef765b85972274e3b434af2572c141John McCall mutable unsigned CacheValidAndVisibility : 2; 106760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 1068b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Linkage of this type. 1069b870b88df784c2940efce448ebfaf54dece14666John McCall mutable unsigned CachedLinkage : 2; 107007a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1071b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Whether this type involves and local or unnamed types. 1072bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet mutable unsigned CachedLocalOrUnnamed : 1; 1073db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor 1074b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief FromAST - Whether this type comes from an AST file. 1075bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet mutable unsigned FromAST : 1; 1076b870b88df784c2940efce448ebfaf54dece14666John McCall 10771fb0caaa7bef765b85972274e3b434af2572c141John McCall bool isCacheValid() const { 10781fb0caaa7bef765b85972274e3b434af2572c141John McCall return (CacheValidAndVisibility != 0); 10791fb0caaa7bef765b85972274e3b434af2572c141John McCall } 10801fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility getVisibility() const { 10811fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 10821fb0caaa7bef765b85972274e3b434af2572c141John McCall return static_cast<Visibility>(CacheValidAndVisibility-1); 10831fb0caaa7bef765b85972274e3b434af2572c141John McCall } 10841fb0caaa7bef765b85972274e3b434af2572c141John McCall Linkage getLinkage() const { 10851fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 10861fb0caaa7bef765b85972274e3b434af2572c141John McCall return static_cast<Linkage>(CachedLinkage); 10871fb0caaa7bef765b85972274e3b434af2572c141John McCall } 10881fb0caaa7bef765b85972274e3b434af2572c141John McCall bool hasLocalOrUnnamedType() const { 10891fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 10901fb0caaa7bef765b85972274e3b434af2572c141John McCall return CachedLocalOrUnnamed; 10911fb0caaa7bef765b85972274e3b434af2572c141John McCall } 1092b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1093d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor enum { NumTypeBits = 17 }; 1094b870b88df784c2940efce448ebfaf54dece14666John McCall 1095b870b88df784c2940efce448ebfaf54dece14666John McCallprotected: 1096b870b88df784c2940efce448ebfaf54dece14666John McCall // These classes allow subclasses to somewhat cleanly pack bitfields 1097b870b88df784c2940efce448ebfaf54dece14666John McCall // into Type. 1098b870b88df784c2940efce448ebfaf54dece14666John McCall 1099b870b88df784c2940efce448ebfaf54dece14666John McCall class ArrayTypeBitfields { 1100b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ArrayType; 1101b870b88df784c2940efce448ebfaf54dece14666John McCall 1102b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1103b870b88df784c2940efce448ebfaf54dece14666John McCall 1104b870b88df784c2940efce448ebfaf54dece14666John McCall /// IndexTypeQuals - CVR qualifiers from declarations like 1105b870b88df784c2940efce448ebfaf54dece14666John McCall /// 'int X[static restrict 4]'. For function parameters only. 1106b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned IndexTypeQuals : 3; 1107b870b88df784c2940efce448ebfaf54dece14666John McCall 1108b870b88df784c2940efce448ebfaf54dece14666John McCall /// SizeModifier - storage class qualifiers from declarations like 1109b870b88df784c2940efce448ebfaf54dece14666John McCall /// 'int X[static restrict 4]'. For function parameters only. 1110b870b88df784c2940efce448ebfaf54dece14666John McCall /// Actually an ArrayType::ArraySizeModifier. 1111b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned SizeModifier : 3; 1112b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1113b870b88df784c2940efce448ebfaf54dece14666John McCall 1114b870b88df784c2940efce448ebfaf54dece14666John McCall class BuiltinTypeBitfields { 1115b870b88df784c2940efce448ebfaf54dece14666John McCall friend class BuiltinType; 1116b870b88df784c2940efce448ebfaf54dece14666John McCall 1117b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1118b870b88df784c2940efce448ebfaf54dece14666John McCall 1119b870b88df784c2940efce448ebfaf54dece14666John McCall /// The kind (BuiltinType::Kind) of builtin type this is. 1120b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned Kind : 8; 1121b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1122b870b88df784c2940efce448ebfaf54dece14666John McCall 1123b870b88df784c2940efce448ebfaf54dece14666John McCall class FunctionTypeBitfields { 1124b870b88df784c2940efce448ebfaf54dece14666John McCall friend class FunctionType; 1125b870b88df784c2940efce448ebfaf54dece14666John McCall 1126b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1127b870b88df784c2940efce448ebfaf54dece14666John McCall 1128b870b88df784c2940efce448ebfaf54dece14666John McCall /// Extra information which affects how the function is called, like 1129b870b88df784c2940efce448ebfaf54dece14666John McCall /// regparm and the calling convention. 1130f85e193739c953358c865005855253af4f68a497John McCall unsigned ExtInfo : 9; 1131b870b88df784c2940efce448ebfaf54dece14666John McCall 1132e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall /// Whether the function is variadic. Only used by FunctionProtoType. 1133e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall unsigned Variadic : 1; 1134b870b88df784c2940efce448ebfaf54dece14666John McCall 1135b870b88df784c2940efce448ebfaf54dece14666John McCall /// TypeQuals - Used only by FunctionProtoType, put here to pack with the 1136b870b88df784c2940efce448ebfaf54dece14666John McCall /// other bitfields. 1137b870b88df784c2940efce448ebfaf54dece14666John McCall /// The qualifiers are part of FunctionProtoType because... 1138b870b88df784c2940efce448ebfaf54dece14666John McCall /// 1139b870b88df784c2940efce448ebfaf54dece14666John McCall /// C++ 8.3.5p4: The return type, the parameter type list and the 1140b870b88df784c2940efce448ebfaf54dece14666John McCall /// cv-qualifier-seq, [...], are part of the function type. 1141b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned TypeQuals : 3; 1142c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 1143c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief The ref-qualifier associated with a \c FunctionProtoType. 1144c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// 1145c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// This is a value of type \c RefQualifierKind. 1146c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor unsigned RefQualifier : 2; 1147b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1148b870b88df784c2940efce448ebfaf54dece14666John McCall 1149b870b88df784c2940efce448ebfaf54dece14666John McCall class ObjCObjectTypeBitfields { 1150b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ObjCObjectType; 1151b870b88df784c2940efce448ebfaf54dece14666John McCall 1152b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1153b870b88df784c2940efce448ebfaf54dece14666John McCall 1154b870b88df784c2940efce448ebfaf54dece14666John McCall /// NumProtocols - The number of protocols stored directly on this 1155b870b88df784c2940efce448ebfaf54dece14666John McCall /// object type. 1156b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned NumProtocols : 32 - NumTypeBits; 1157b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1158b870b88df784c2940efce448ebfaf54dece14666John McCall 1159b870b88df784c2940efce448ebfaf54dece14666John McCall class ReferenceTypeBitfields { 1160b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ReferenceType; 1161b870b88df784c2940efce448ebfaf54dece14666John McCall 1162b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1163b870b88df784c2940efce448ebfaf54dece14666John McCall 1164b870b88df784c2940efce448ebfaf54dece14666John McCall /// True if the type was originally spelled with an lvalue sigil. 1165b870b88df784c2940efce448ebfaf54dece14666John McCall /// This is never true of rvalue references but can also be false 1166b870b88df784c2940efce448ebfaf54dece14666John McCall /// on lvalue references because of C++0x [dcl.typedef]p9, 1167b870b88df784c2940efce448ebfaf54dece14666John McCall /// as follows: 1168b870b88df784c2940efce448ebfaf54dece14666John McCall /// 1169b870b88df784c2940efce448ebfaf54dece14666John McCall /// typedef int &ref; // lvalue, spelled lvalue 1170b870b88df784c2940efce448ebfaf54dece14666John McCall /// typedef int &&rvref; // rvalue 1171b870b88df784c2940efce448ebfaf54dece14666John McCall /// ref &a; // lvalue, inner ref, spelled lvalue 1172b870b88df784c2940efce448ebfaf54dece14666John McCall /// ref &&a; // lvalue, inner ref 1173b870b88df784c2940efce448ebfaf54dece14666John McCall /// rvref &a; // lvalue, inner ref, spelled lvalue 1174b870b88df784c2940efce448ebfaf54dece14666John McCall /// rvref &&a; // rvalue, inner ref 1175bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned SpelledAsLValue : 1; 1176b870b88df784c2940efce448ebfaf54dece14666John McCall 1177b870b88df784c2940efce448ebfaf54dece14666John McCall /// True if the inner type is a reference type. This only happens 1178b870b88df784c2940efce448ebfaf54dece14666John McCall /// in non-canonical forms. 1179bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned InnerRef : 1; 1180b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1181b870b88df784c2940efce448ebfaf54dece14666John McCall 118277be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall class TypeWithKeywordBitfields { 118377be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall friend class TypeWithKeyword; 118477be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 118577be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned : NumTypeBits; 118677be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 118777be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall /// An ElaboratedTypeKeyword. 8 bits for efficient access. 118877be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned Keyword : 8; 118977be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall }; 119077be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 1191b870b88df784c2940efce448ebfaf54dece14666John McCall class VectorTypeBitfields { 1192b870b88df784c2940efce448ebfaf54dece14666John McCall friend class VectorType; 119307a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1194b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 119571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 1196e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson /// VecKind - The kind of vector, either a generic vector type or some 1197e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson /// target-specific vector type such as for AltiVec or Neon. 1198cc3b946c35c4372272034e6f0663089477a9a5bdBob Wilson unsigned VecKind : 3; 1199b870b88df784c2940efce448ebfaf54dece14666John McCall 1200b870b88df784c2940efce448ebfaf54dece14666John McCall /// NumElements - The number of elements in the vector. 1201cc3b946c35c4372272034e6f0663089477a9a5bdBob Wilson unsigned NumElements : 29 - NumTypeBits; 1202b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1203b870b88df784c2940efce448ebfaf54dece14666John McCall 12049d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall class AttributedTypeBitfields { 12059d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall friend class AttributedType; 12069d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 12079d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall unsigned : NumTypeBits; 12089d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 12099d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall /// AttrKind - an AttributedType::Kind 12109d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall unsigned AttrKind : 32 - NumTypeBits; 12119d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall }; 12129d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 1213b870b88df784c2940efce448ebfaf54dece14666John McCall union { 1214b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBitfields TypeBits; 1215b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBitfields ArrayTypeBits; 12169d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedTypeBitfields AttributedTypeBits; 1217b870b88df784c2940efce448ebfaf54dece14666John McCall BuiltinTypeBitfields BuiltinTypeBits; 1218b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBitfields FunctionTypeBits; 1219b870b88df784c2940efce448ebfaf54dece14666John McCall ObjCObjectTypeBitfields ObjCObjectTypeBits; 1220b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBitfields ReferenceTypeBits; 122177be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall TypeWithKeywordBitfields TypeWithKeywordBits; 1222b870b88df784c2940efce448ebfaf54dece14666John McCall VectorTypeBitfields VectorTypeBits; 1223b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1224b870b88df784c2940efce448ebfaf54dece14666John McCall 1225b870b88df784c2940efce448ebfaf54dece14666John McCallprivate: 12263c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Set whether this type comes from an AST file. 12273c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl void setFromAST(bool V = true) const { 1228b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.FromAST = V; 122907a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl } 123007a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1231b7b2688bab0eac053d3e2938b329c8e523fd252bJohn McCall template <class T> friend class TypePropertyCache; 12321fb0caaa7bef765b85972274e3b434af2572c141John McCall 12335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 1234124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser // silence VC++ warning C4355: 'this' : used in base member initializer list 1235124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser Type *this_() { return this; } 12363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Type(TypeClass tc, QualType canon, bool Dependent, bool VariablyModified, 1237d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool ContainsUnexpandedParameterPack) 12383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall : ExtQualsTypeCommonBase(this, 12393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon.isNull() ? QualType(this_(), 0) : canon) { 1240b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.TC = tc; 1241b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.Dependent = Dependent; 1242b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.VariablyModified = VariablyModified; 1243d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor TypeBits.ContainsUnexpandedParameterPack = ContainsUnexpandedParameterPack; 12441fb0caaa7bef765b85972274e3b434af2572c141John McCall TypeBits.CacheValidAndVisibility = 0; 1245b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.CachedLocalOrUnnamed = false; 1246b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.CachedLinkage = NoLinkage; 1247b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.FromAST = false; 1248b870b88df784c2940efce448ebfaf54dece14666John McCall } 12495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; 12501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1251b870b88df784c2940efce448ebfaf54dece14666John McCall void setDependent(bool D = true) { TypeBits.Dependent = D; } 1252b870b88df784c2940efce448ebfaf54dece14666John McCall void setVariablyModified(bool VM = true) { TypeBits.VariablyModified = VM; } 1253d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor void setContainsUnexpandedParameterPack(bool PP = true) { 1254d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor TypeBits.ContainsUnexpandedParameterPack = PP; 1255d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 1256d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 12578b9023ba35a86838789e2c9034a6128728c547aaChris Lattnerpublic: 1258b870b88df784c2940efce448ebfaf54dece14666John McCall TypeClass getTypeClass() const { return static_cast<TypeClass>(TypeBits.TC); } 12591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12603c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Whether this type comes from an AST file. 1261b870b88df784c2940efce448ebfaf54dece14666John McCall bool isFromAST() const { return TypeBits.FromAST; } 126207a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1263d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Whether this type is or contains an unexpanded parameter 1264d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// pack, used to support C++0x variadic templates. 1265d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 1266d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// A type that contains a parameter pack shall be expanded by the 1267d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// ellipsis operator at some point. For example, the typedef in the 1268d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// following example contains an unexpanded parameter pack 'T': 1269d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 1270d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \code 1271d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// template<typename ...T> 1272d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// struct X { 1273d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// typedef T* pointer_types; // ill-formed; T is a parameter pack. 1274d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// }; 1275d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \endcode 1276d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 1277d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// Note that this routine does not specify which 1278d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool containsUnexpandedParameterPack() const { 1279d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return TypeBits.ContainsUnexpandedParameterPack; 1280d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 1281d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 12823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// Determines if this type would be canonical if it had no further 12833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// qualification. 1284467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonicalUnqualified() const { 12853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return CanonicalType == QualType(this, 0); 1286467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall } 12875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Types are partitioned into 3 broad categories (C99 6.2.5p1): 12895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// object types, function types, and incomplete types. 12901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIncompleteType - Return true if this is an incomplete type. 12925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// A type that can describe objects, but which lacks information needed to 12935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// determine its size (e.g. void, or a fwd declared struct). Clients of this 12941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// routine will need to determine if the size is actually required. 12955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncompleteType() const; 1296d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner 1297d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// isIncompleteOrObjectType - Return true if this is an incomplete or object 1298d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// type, in other words, not a function type. 1299d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner bool isIncompleteOrObjectType() const { 1300d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner return !isFunctionType(); 1301d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner } 13022fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor 13032fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor /// \brief Determine whether this type is an object type. 13042fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor bool isObjectType() const { 13052fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor // C++ [basic.types]p8: 13062fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor // An object type is a (possibly cv-qualified) type that is not a 13072fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor // function type, not a reference type, and not a void type. 13082fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor return !isReferenceType() && !isFunctionType() && !isVoidType(); 13092fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor } 131064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 1311ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// isLiteralType - Return true if this is a literal type 1312ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// (C++0x [basic.types]p10) 1313ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl bool isLiteralType() const; 1314ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl 1315636a617cc6021a4366380b3ce673f4472f3d99dbChandler Carruth /// \brief Test if this type is a standard-layout type. 1316636a617cc6021a4366380b3ce673f4472f3d99dbChandler Carruth /// (C++0x [basic.type]p9) 1317636a617cc6021a4366380b3ce673f4472f3d99dbChandler Carruth bool isStandardLayoutType() const; 1318636a617cc6021a4366380b3ce673f4472f3d99dbChandler Carruth 13195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Helper methods to distinguish type categories. All type predicates 1320ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// operate on the canonical type, ignoring typedefs and qualifiers. 1321e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 13229b065ddabf572772991a4aadad5bf4921fac5069Tom Care /// isBuiltinType - returns true if the type is a builtin type. 13239b065ddabf572772991a4aadad5bf4921fac5069Tom Care bool isBuiltinType() const; 13249b065ddabf572772991a4aadad5bf4921fac5069Tom Care 1325e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar /// isSpecificBuiltinType - Test for a particular builtin type. 1326e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar bool isSpecificBuiltinType(unsigned K) const; 13271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13282a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// isPlaceholderType - Test for a type which does not represent an 13292a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// actual type-system type but is instead used as a placeholder for 13302a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// various convenient purposes within Clang. All such types are 13312a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// BuiltinTypes. 13322a984cad5ac3fdceeff2bd99daa7b90979313475John McCall bool isPlaceholderType() const; 13332a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 1334864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// isSpecificPlaceholderType - Test for a specific placeholder type. 1335864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall bool isSpecificPlaceholderType(unsigned K) const; 1336864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 133796d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isIntegerType() does *not* include complex integers (a GCC extension). 133896d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isComplexIntegerType() can be used to test for complex integers. 13395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIntegerType() const; // C99 6.2.5p17 (int, char, bool, enum) 134013b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isEnumeralType() const; 134113b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isBooleanType() const; 134213b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isCharType() const; 134377a52233f7c0f162672652051bfe78b65ad4f789Douglas Gregor bool isWideCharType() const; 134420093b4bf698f292c664676987541d5103b65b15Douglas Gregor bool isAnyCharacterType() const; 13459d3347a5887d2d25afe8b0bd35783a72ec86cce2Douglas Gregor bool isIntegralType(ASTContext &Ctx) const; 134620093b4bf698f292c664676987541d5103b65b15Douglas Gregor 13472ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor /// \brief Determine whether this type is an integral or enumeration type. 13482ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor bool isIntegralOrEnumerationType() const; 13491274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor /// \brief Determine whether this type is an integral or unscoped enumeration 13501274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor /// type. 13511274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor bool isIntegralOrUnscopedEnumerationType() const; 13522ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor 13535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Floating point categories. 13545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealFloatingType() const; // C99 6.2.5p10 (float, double, long double) 135502f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexType() does *not* include complex integers (a GCC extension). 135602f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexIntegerType() can be used to test for complex integers. 13575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isComplexType() const; // C99 6.2.5p11 (complex) 1358f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner bool isAnyComplexType() const; // C99 6.2.5p11 (complex) + Complex Int. 13595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isFloatingType() const; // C99 6.2.5p11 (real floating + complex) 13605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealType() const; // C99 6.2.5p17 (real floating + integer) 13615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArithmeticType() const; // C99 6.2.5p18 (integer + floating) 1362c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isVoidType() const; // C99 6.2.5p19 1363c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isDerivedType() const; // C99 6.2.5p20 1364c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isScalarType() const; // C99 6.2.5p21 (arithmetic + pointers) 1365d7eb846aaf5ee4a8d22c3cd0796d1e7229d46013Douglas Gregor bool isAggregateType() const; 1366aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth bool isFundamentalType() const; 1367aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth bool isCompoundType() const; 13681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1369c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Predicates: Check to see if this type is structurally the specified 1370ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb // type, ignoring typedefs and qualifiers. 1371c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isFunctionType() const; 1372183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionNoProtoType() const { return getAs<FunctionNoProtoType>(); } 1373183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionProtoType() const { return getAs<FunctionProtoType>(); } 1374befee48ff2a1dab236c5700f00ecca1cfdcd5837Chris Lattner bool isPointerType() const; 137558f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff bool isAnyPointerType() const; // Any C pointer or ObjC object pointer 13762af68e4761ed30181540dafb5572993daffa4910Chandler Carruth bool isPointerLikeType() const; 13775618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff bool isBlockPointerType() const; 13787154a77e7c1f23418342d3b72836ab504aa7821eSteve Naroff bool isVoidPointerType() const; 1379a1d9fdea79ba7bbd71862b9f9f78f5f117331fc7Chris Lattner bool isReferenceType() const; 13807c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isLValueReferenceType() const; 13817c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isRValueReferenceType() const; 1382bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner bool isFunctionPointerType() const; 1383f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberPointerType() const; 1384f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberFunctionPointerType() const; 1385db68e28c05a67735211e688009890cf834c22e75Douglas Gregor bool isMemberDataPointerType() const; 1386c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isArrayType() const; 1387c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isConstantArrayType() const; 1388c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isIncompleteArrayType() const; 1389c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isVariableArrayType() const; 1390898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool isDependentSizedArrayType() const; 1391c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isRecordType() const; 13921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isClassType() const; 13931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isStructureType() const; 1394fb87b89fc9eb103e19fb8e4b925c23f0bd091b99Douglas Gregor bool isStructureOrClassType() const; 13954cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff bool isUnionType() const; 1396368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isComplexIntegerType() const; // GCC _Complex integer type. 1397368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isVectorType() const; // GCC vector type. 1398213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman bool isExtVectorType() const; // Extended vector type. 1399f85e193739c953358c865005855253af4f68a497John McCall bool isObjCObjectPointerType() const; // pointer to ObjC object 1400f85e193739c953358c865005855253af4f68a497John McCall bool isObjCRetainableType() const; // ObjC object or block pointer 1401f85e193739c953358c865005855253af4f68a497John McCall bool isObjCLifetimeType() const; // (array of)* retainable type 1402f85e193739c953358c865005855253af4f68a497John McCall bool isObjCIndirectLifetimeType() const; // (pointer to)* lifetime type 1403f85e193739c953358c865005855253af4f68a497John McCall bool isObjCNSObjectType() const; // __attribute__((NSObject)) 140414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // FIXME: change this to 'raw' interface type, so we can used 'interface' type 140514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for the common case. 1406c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCObjectType() const; // NSString or typeof(*(id)0) 1407368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedInterfaceType() const; // NSString<foo> 1408368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedIdType() const; // id<foo> 1409470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const; // Class<foo> 1410569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor bool isObjCObjectOrInterfaceType() const; 141114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const; // id 141214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const; // Class 141313dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian bool isObjCSelType() const; // Class 1414de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff bool isObjCBuiltinType() const; // 'id' or 'Class' 1415f85e193739c953358c865005855253af4f68a497John McCall bool isObjCARCBridgableType() const; 1416f85e193739c953358c865005855253af4f68a497John McCall bool isCARCBridgableType() const; 141772c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor bool isTemplateTypeParmType() const; // C++ template type parameter 14186e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl bool isNullPtrType() const; // C++0x nullptr_t 1419898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1420f85e193739c953358c865005855253af4f68a497John McCall /// Determines if this type, which must satisfy 1421f85e193739c953358c865005855253af4f68a497John McCall /// isObjCLifetimeType(), is implicitly __unsafe_unretained rather 1422f85e193739c953358c865005855253af4f68a497John McCall /// than implicitly __strong. 1423f85e193739c953358c865005855253af4f68a497John McCall bool isObjCARCImplicitlyUnretainedType() const; 1424f85e193739c953358c865005855253af4f68a497John McCall 1425f85e193739c953358c865005855253af4f68a497John McCall /// Return the implicit lifetime for this type, which must not be dependent. 1426f85e193739c953358c865005855253af4f68a497John McCall Qualifiers::ObjCLifetime getObjCARCImplicitLifetime() const; 1427f85e193739c953358c865005855253af4f68a497John McCall 1428daa8e4e888758d55a7a759dd4a91b83921cef222John McCall enum ScalarTypeKind { 1429daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Pointer, 1430daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_MemberPointer, 1431daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Bool, 1432daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Integral, 1433daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Floating, 1434daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_IntegralComplex, 1435daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_FloatingComplex 1436daa8e4e888758d55a7a759dd4a91b83921cef222John McCall }; 1437daa8e4e888758d55a7a759dd4a91b83921cef222John McCall /// getScalarTypeKind - Given that this is a scalar type, classify it. 1438daa8e4e888758d55a7a759dd4a91b83921cef222John McCall ScalarTypeKind getScalarTypeKind() const; 1439daa8e4e888758d55a7a759dd4a91b83921cef222John McCall 1440898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// isDependentType - Whether this type is a dependent type, meaning 14411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// that its definition somehow depends on a template parameter 1442898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// (C++ [temp.dep.type]). 1443b870b88df784c2940efce448ebfaf54dece14666John McCall bool isDependentType() const { return TypeBits.Dependent; } 144435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 144535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /// \brief Whether this type is a variably-modified type (C99 6.7.5). 1446b870b88df784c2940efce448ebfaf54dece14666John McCall bool isVariablyModifiedType() const { return TypeBits.VariablyModified; } 14473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 14483b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// \brief Whether this type involves a variable-length array type 14493b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// with a definite size. 14503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall bool hasSizedVLAType() const; 145135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 1452db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor /// \brief Whether this type is or contains a local or unnamed type. 1453db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor bool hasUnnamedOrLocalType() const; 1454db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor 1455063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor bool isOverloadableType() const; 145672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 14574033642464e8ba0982f88f34cffad808d247b393Douglas Gregor /// \brief Determine wither this type is a C++ elaborated-type-specifier. 14584033642464e8ba0982f88f34cffad808d247b393Douglas Gregor bool isElaboratedTypeSpecifier() const; 1459bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth 1460bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth bool canDecayToPointerType() const; 1461bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth 14628958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// hasPointerRepresentation - Whether this type is represented 14638958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// natively as a pointer; this includes pointers, references, block 14648958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// pointers, and Objective-C interface, qualified id, and qualified 14656e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl /// interface types, as well as nullptr_t. 14668958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar bool hasPointerRepresentation() const; 14678958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 1468820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// hasObjCPointerRepresentation - Whether this type can represent 1469820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// an objective pointer type for the purpose of GC'ability 14701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool hasObjCPointerRepresentation() const; 1471820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 1472f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an integer representation 1473f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an integer type or a vector. 1474f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasIntegerRepresentation() const; 1475f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1476f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an signed integer representation 1477f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an signed integer type or a vector. 1478f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasSignedIntegerRepresentation() const; 1479f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1480f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an unsigned integer representation 1481f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an unsigned integer type or a vector. 1482f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasUnsignedIntegerRepresentation() const; 1483f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 14848eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// \brief Determine whether this type has a floating-point representation 14858eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// of some sort, e.g., it is a floating-point type or a vector thereof. 14868eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor bool hasFloatingRepresentation() const; 1487f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1488c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Checking Functions: Check to see if this type is structurally the 1489f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // specified type, ignoring typedefs and qualifiers, and return a pointer to 1490f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // the best type we can. 1491769c9cfc6e06bd9d8ffe7a4397b939f19b0e4dc3Ted Kremenek const RecordType *getAsStructureType() const; 1492898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// NOTE: getAs*ArrayType are methods on ASTContext. 1493c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner const RecordType *getAsUnionType() const; 14944cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff const ComplexType *getAsComplexIntegerType() const; // GCC complex int type. 149514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // The following is a convenience method that returns an ObjCObjectPointerType 149614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for object declared using an interface. 149714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCInterfacePointerType() const; 149814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCQualifiedIdType() const; 1499759abb4d9ec14ae32104a9677b60f0542b60d1d8Fariborz Jahanian const ObjCObjectPointerType *getAsObjCQualifiedClassType() const; 1500c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getAsObjCQualifiedInterfaceType() const; 1501a91d6a6619a91d0ca7102d8ab5678d855f04d850Fariborz Jahanian const CXXRecordDecl *getCXXRecordDeclForPointerType() const; 15021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1503c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// \brief Retrieves the CXXRecordDecl that this type refers to, either 1504c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// because the type is a RecordType or because it is the injected-class-name 1505c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// type of a class template or class template partial specialization. 1506c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor CXXRecordDecl *getAsCXXRecordDecl() const; 150734b41d939a1328f484511c6002ba2456db879a29Richard Smith 150834b41d939a1328f484511c6002ba2456db879a29Richard Smith /// \brief Get the AutoType whose type will be deduced for a variable with 150934b41d939a1328f484511c6002ba2456db879a29Richard Smith /// an initializer of this type. This looks through declarators like pointer 151034b41d939a1328f484511c6002ba2456db879a29Richard Smith /// types, but not through decltype or typedefs. 151134b41d939a1328f484511c6002ba2456db879a29Richard Smith AutoType *getContainedAutoType() const; 1512c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor 1513d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// Member-template getAs<specific type>'. Look through sugar for 1514d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// an instance of <specific type>. This scheme will eventually 1515d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// replace the specific getAsXXXX methods above. 1516d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// 1517d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// There are some specializations of this member template listed 1518d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// immediately following this class. 15191a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek template <typename T> const T *getAs() const; 15201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15213b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// A variant of getAs<> for array types which silently discards 15223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// qualifiers from the outermost type. 15233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *getAsArrayTypeUnsafe() const; 15243b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 1525d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// Member-template castAs<specific type>. Look through sugar for 1526d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// the underlying instance of <specific type>. 1527d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// 1528d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// This method has the same relationship to getAs<T> as cast<T> has 1529d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// to dyn_cast<T>; which is to say, the underlying type *must* 1530d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// have the intended type, and this method will never return null. 1531d0370f59e79702ac908c81bf556519f91e9ca297John McCall template <typename T> const T *castAs() const; 1532d0370f59e79702ac908c81bf556519f91e9ca297John McCall 1533d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// A variant of castAs<> for array type which silently discards 1534d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// qualifiers from the outermost type. 1535d0370f59e79702ac908c81bf556519f91e9ca297John McCall const ArrayType *castAsArrayTypeUnsafe() const; 1536d0370f59e79702ac908c81bf556519f91e9ca297John McCall 1537d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// getBaseElementTypeUnsafe - Get the base element type of this 1538d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// type, potentially discarding type qualifiers. This method 1539d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// should never be used when type qualifiers are meaningful. 1540d0370f59e79702ac908c81bf556519f91e9ca297John McCall const Type *getBaseElementTypeUnsafe() const; 1541d0370f59e79702ac908c81bf556519f91e9ca297John McCall 1542c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// getArrayElementTypeNoTypeQual - If this is an array type, return the 1543c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// element type of the array, potentially with type qualifiers missing. 1544c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// This method should never be used when type qualifiers are meaningful. 1545c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const Type *getArrayElementTypeNoTypeQual() const; 15461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1547f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// getPointeeType - If this is a pointer, ObjC object pointer, or block 1548f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// pointer, this returns the respective pointee. 154914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const; 15501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1551bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// getUnqualifiedDesugaredType() - Return the specified type with 1552bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// any "sugar" removed from the type, removing any typedefs, 1553bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// typeofs, etc., as well as any qualifiers. 1554bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall const Type *getUnqualifiedDesugaredType() const; 15551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// More type predicates useful for type checking/promotion 15575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPromotableIntegerType() const; // C99 6.3.1.1p2 15585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isSignedIntegerType - Return true if this is an integer type that is 1560d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// signed, according to C99 6.2.5p4 [char, signed char, short, int, long..], 15615f3827cabd526d0dd5f291d46c310103cebe7a44Eli Friedman /// or an enum decl which has a signed representation. 15625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSignedIntegerType() const; 15635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isUnsignedIntegerType - Return true if this is an integer type that is 15655f3827cabd526d0dd5f291d46c310103cebe7a44Eli Friedman /// unsigned, according to C99 6.2.5p6 [which returns true for _Bool], 15665f3827cabd526d0dd5f291d46c310103cebe7a44Eli Friedman /// or an enum decl which has an unsigned representation. 15675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isUnsignedIntegerType() const; 1568d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner 1569575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor /// Determines whether this is an integer type that is signed or an 1570575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor /// enumeration types whose underlying type is a signed integer type. 1571575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor bool isSignedIntegerOrEnumerationType() const; 1572575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor 1573575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor /// Determines whether this is an integer type that is unsigned or an 1574575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor /// enumeration types whose underlying type is a unsigned integer type. 1575575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor bool isUnsignedIntegerOrEnumerationType() const; 1576575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor 15775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isConstantSizeType - Return true if this is not a variable sized type, 15789bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// according to the rules of C99 6.7.5p3. It is not legal to call this on 15799bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// incomplete types. 15803c2b3170041f69a92904e3bab9b6d654eaf260acEli Friedman bool isConstantSizeType() const; 1581c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 158222b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// isSpecifierType - Returns true if this type can be represented by some 158322b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// set of type specifiers. 158422b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman bool isSpecifierType() const; 158522b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman 15860b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor /// \brief Determine the linkage of this type. 158760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor Linkage getLinkage() const; 15881fb0caaa7bef765b85972274e3b434af2572c141John McCall 15891fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Determine the visibility of this type. 15901fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility getVisibility() const; 15911fb0caaa7bef765b85972274e3b434af2572c141John McCall 15921fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Determine the linkage and visibility of this type. 15931fb0caaa7bef765b85972274e3b434af2572c141John McCall std::pair<Linkage,Visibility> getLinkageAndVisibility() const; 159460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 159560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor /// \brief Note that the linkage is no longer known. 159660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor void ClearLinkageCache(); 159760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 159860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor const char *getTypeClassName() const; 15990b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1600ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall QualType getCanonicalTypeInternal() const { 1601ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall return CanonicalType; 1602ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall } 1603ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall CanQualType getCanonicalTypeUnqualified() const; // in CanonicalType.h 1604c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 1605f85e193739c953358c865005855253af4f68a497John McCall 16065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *) { return true; } 1607be191100e034b23a3e13053757a57b7f5068c24aArgyrios Kyrtzidis 1608c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; 1609a4232eb646d89e7d52424bb42eb87d9061f39e63Sebastian Redl friend class ASTWriter; 16105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 16115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1612183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const TypedefType *Type::getAs() const { 1613183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall return dyn_cast<TypedefType>(this); 1614183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1615183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1616183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// We can do canonical leaf types faster, because we don't have to 1617183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// worry about preserving child type decoration. 1618183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define TYPE(Class, Base) 1619183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define LEAF_TYPE(Class) \ 1620183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const Class##Type *Type::getAs() const { \ 16210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return dyn_cast<Class##Type>(CanonicalType); \ 1622d0370f59e79702ac908c81bf556519f91e9ca297John McCall} \ 1623d0370f59e79702ac908c81bf556519f91e9ca297John McCalltemplate <> inline const Class##Type *Type::castAs() const { \ 1624d0370f59e79702ac908c81bf556519f91e9ca297John McCall return cast<Class##Type>(CanonicalType); \ 1625183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1626183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#include "clang/AST/TypeNodes.def" 1627183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1628183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 16295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BuiltinType - This class is used for builtin types like 'int'. Builtin 16305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types are always canonical and have a literal name field. 16315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BuiltinType : public Type { 16325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 16335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Kind { 16345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Void, 16351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Bool, // This is bool and/or _Bool. 16375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_U, // This is 'char' for targets where char is unsigned. 16385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UChar, // This is explicitly qualified unsigned char. 16393f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner WChar_U, // This is 'wchar_t' for C++, when unsigned. 1640f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16, // This is 'char16_t' for C++. 1641f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32, // This is 'char32_t' for C++. 16425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UShort, 16435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UInt, 16445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULong, 16455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULongLong, 16462df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner UInt128, // __uint128_t 16471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_S, // This is 'char' for targets where char is signed. 16495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SChar, // This is explicitly qualified signed char. 16503f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner WChar_S, // This is 'wchar_t' for C++, when signed. 16515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Short, 16525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Int, 16535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Long, 16545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongLong, 16552df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner Int128, // __int128_t 16561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16578e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor Float, Double, LongDouble, 16588e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 16596e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl NullPtr, // This is the type of C++0x 'nullptr'. 16606e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 1661864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// The primitive Objective C 'id' type. The user-visible 'id' 1662864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// type is a typedef of an ObjCObjectPointerType to an 1663864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// ObjCObjectType with this as its base. In fact, this only ever 1664864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// shows up in an AST as the base type of an ObjCObjectType. 1665864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall ObjCId, 1666864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 1667864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// The primitive Objective C 'Class' type. The user-visible 1668864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// 'Class' type is a typedef of an ObjCObjectPointerType to an 1669864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// ObjCObjectType with this as its base. In fact, this only ever 1670864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// shows up in an AST as the base type of an ObjCObjectType. 1671864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall ObjCClass, 1672864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 1673864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// The primitive Objective C 'SEL' type. The user-visible 'SEL' 1674864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// type is a typedef of a PointerType to this. 1675864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall ObjCSel, 1676864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 16772a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// This represents the type of an expression whose type is 16782a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// totally unknown, e.g. 'T::foo'. It is permitted for this to 16792a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// appear in situations where the structure of the type is 16802a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// theoretically deducible. 16812a984cad5ac3fdceeff2bd99daa7b90979313475John McCall Dependent, 16822a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 1683864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// The type of an unresolved overload set. A placeholder type. 1684864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// Expressions with this type have one of the following basic 1685864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// forms, with parentheses generally permitted: 1686864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// foo # possibly qualified, not if an implicit access 1687864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// foo # possibly qualified, not if an implicit access 1688864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// &foo # possibly qualified, not if an implicit access 1689864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// x->foo # only if might be a static member function 1690864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// &x->foo # only if might be a static member function 1691864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// &Class::foo # when a pointer-to-member; sub-expr also has this type 1692864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// OverloadExpr::find can be used to analyze the expression. 16931de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall Overload, 16941de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall 1695864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// The type of a bound C++ non-static member function. 1696864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// A placeholder type. Expressions with this type have one of the 1697864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// following basic forms: 1698864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// foo # if an implicit access 1699864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// x->foo # if only contains non-static members 1700864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall BoundMember, 1701864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 1702864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// __builtin_any_type. A placeholder type. Useful for clients 1703864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// like debuggers that don't know what type to give something. 1704864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// Only a small number of operations are valid on expressions of 1705864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// unknown type, most notably explicit casts. 1706864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall UnknownAny 17075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 170871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 17095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 17101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BuiltinType(Kind K) 171135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(Builtin, QualType(), /*Dependent=*/(K == Dependent), 1712d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, 1713d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*Unexpanded paramter pack=*/false) { 1714b870b88df784c2940efce448ebfaf54dece14666John McCall BuiltinTypeBits.Kind = K; 171571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 17161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1717b870b88df784c2940efce448ebfaf54dece14666John McCall Kind getKind() const { return static_cast<Kind>(BuiltinTypeBits.Kind); } 1718e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const char *getName(const LangOptions &LO) const; 17191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1720bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1721bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1722bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1723680523a91dd3351389667c8de17121ba7ae82673John McCall bool isInteger() const { 172471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Bool && getKind() <= Int128; 1725680523a91dd3351389667c8de17121ba7ae82673John McCall } 1726680523a91dd3351389667c8de17121ba7ae82673John McCall 1727680523a91dd3351389667c8de17121ba7ae82673John McCall bool isSignedInteger() const { 172871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Char_S && getKind() <= Int128; 1729680523a91dd3351389667c8de17121ba7ae82673John McCall } 1730680523a91dd3351389667c8de17121ba7ae82673John McCall 1731680523a91dd3351389667c8de17121ba7ae82673John McCall bool isUnsignedInteger() const { 173271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Bool && getKind() <= UInt128; 1733680523a91dd3351389667c8de17121ba7ae82673John McCall } 1734680523a91dd3351389667c8de17121ba7ae82673John McCall 1735680523a91dd3351389667c8de17121ba7ae82673John McCall bool isFloatingPoint() const { 173671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Float && getKind() <= LongDouble; 1737680523a91dd3351389667c8de17121ba7ae82673John McCall } 1738680523a91dd3351389667c8de17121ba7ae82673John McCall 1739864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// Determines whether this type is a placeholder type, i.e. a type 1740864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// which cannot appear in arbitrary positions in a fully-formed 1741864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// expression. 17422a984cad5ac3fdceeff2bd99daa7b90979313475John McCall bool isPlaceholderType() const { 1743864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall return getKind() >= Overload; 17442a984cad5ac3fdceeff2bd99daa7b90979313475John McCall } 17452a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 17465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Builtin; } 17475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BuiltinType *) { return true; } 17485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 17495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ComplexType - C99 6.2.5p11 - Complex values. This supports the C99 complex 17515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types (_Complex float etc) as well as the GCC integer complex extensions. 17525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 17535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ComplexType : public Type, public llvm::FoldingSetNode { 17545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 17555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType(QualType Element, QualType CanonicalPtr) : 175635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Complex, CanonicalPtr, Element->isDependentType(), 1757d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Element->isVariablyModifiedType(), 1758d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Element->containsUnexpandedParameterPack()), 1759898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ElementType(Element) { 17605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 17615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 176260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 17635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 17645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 17651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1766bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1767bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1768bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 17695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 17705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getElementType()); 17715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 17725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Element) { 17735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Element.getAsOpaquePtr()); 17745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 17751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Complex; } 17775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ComplexType *) { return true; } 17785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 17795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1780075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara/// ParenType - Sugar for parentheses used when specifying types. 1781075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara/// 1782075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnaraclass ParenType : public Type, public llvm::FoldingSetNode { 1783075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType Inner; 1784075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1785075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType(QualType InnerType, QualType CanonType) : 1786075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Type(Paren, CanonType, InnerType->isDependentType(), 1787d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor InnerType->isVariablyModifiedType(), 1788d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor InnerType->containsUnexpandedParameterPack()), 1789075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Inner(InnerType) { 1790075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1791075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara friend class ASTContext; // ASTContext creates these. 1792075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1793075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnarapublic: 1794075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1795075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType getInnerType() const { return Inner; } 1796075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1797075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara bool isSugared() const { return true; } 1798075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType desugar() const { return getInnerType(); } 1799075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1800075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara void Profile(llvm::FoldingSetNodeID &ID) { 1801075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Profile(ID, getInnerType()); 1802075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1803075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static void Profile(llvm::FoldingSetNodeID &ID, QualType Inner) { 1804075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Inner.Profile(ID); 1805075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1806075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1807075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static bool classof(const Type *T) { return T->getTypeClass() == Paren; } 1808075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static bool classof(const ParenType *) { return true; } 1809075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara}; 1810075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 181168694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar/// PointerType - C99 6.7.5.1 - Pointer Declarators. 1812bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner/// 181368694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass PointerType : public Type, public llvm::FoldingSetNode { 1814bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner QualType PointeeType; 18155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType(QualType Pointee, QualType CanonicalPtr) : 181735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Pointer, CanonicalPtr, Pointee->isDependentType(), 1818d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->isVariablyModifiedType(), 1819d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->containsUnexpandedParameterPack()), 182035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor PointeeType(Pointee) { 18215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 182360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 18245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 18251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 182668694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType getPointeeType() const { return PointeeType; } 182768694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 1828bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1829bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1830bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 18315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 18325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getPointeeType()); 18335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 18355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Pointee.getAsOpaquePtr()); 18365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Pointer; } 18395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const PointerType *) { return true; } 18405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 18415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18425618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// BlockPointerType - pointer to a block type. 18435618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// This type is to represent types syntactically represented as 18445618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// "void (^)(int)", etc. Pointee is required to always be a function type. 18455618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// 18465618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffclass BlockPointerType : public Type, public llvm::FoldingSetNode { 18475618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType PointeeType; // Block is some kind of pointer type 18485618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType(QualType Pointee, QualType CanonicalCls) : 184935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(BlockPointer, CanonicalCls, Pointee->isDependentType(), 1850d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->isVariablyModifiedType(), 1851d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->containsUnexpandedParameterPack()), 1852898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor PointeeType(Pointee) { 18535618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 18545618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff friend class ASTContext; // ASTContext creates these. 185560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 18565618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffpublic: 18571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18585618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the pointee type. Pointee is required to always be a function type. 18595618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getPointeeType() const { return PointeeType; } 18605618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 1861bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1862bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1863bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 18645618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 18655618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Profile(ID, getPointeeType()); 18665618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 18675618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 18685618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff ID.AddPointer(Pointee.getAsOpaquePtr()); 18695618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 18701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 18721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == BlockPointer; 18735618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 18745618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static bool classof(const BlockPointerType *) { return true; } 18755618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff}; 18765618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 18777c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// ReferenceType - Base for LValueReferenceType and RValueReferenceType 18785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 187968694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass ReferenceType : public Type, public llvm::FoldingSetNode { 188068694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType PointeeType; 188168694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 18827c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlprotected: 188354e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(TypeClass tc, QualType Referencee, QualType CanonicalRef, 188454e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 188535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(tc, CanonicalRef, Referencee->isDependentType(), 1886d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Referencee->isVariablyModifiedType(), 1887d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Referencee->containsUnexpandedParameterPack()), 1888d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor PointeeType(Referencee) 1889d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor { 1890b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBits.SpelledAsLValue = SpelledAsLValue; 1891b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBits.InnerRef = Referencee->isReferenceType(); 18925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 189360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 18945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1895b870b88df784c2940efce448ebfaf54dece14666John McCall bool isSpelledAsLValue() const { return ReferenceTypeBits.SpelledAsLValue; } 1896b870b88df784c2940efce448ebfaf54dece14666John McCall bool isInnerRef() const { return ReferenceTypeBits.InnerRef; } 189773dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 189854e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeTypeAsWritten() const { return PointeeType; } 189954e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeType() const { 190054e14c4db764c0636160d26c5bbf491637c83a76John McCall // FIXME: this might strip inner qualifiers; okay? 190154e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *T = this; 190271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall while (T->isInnerRef()) 1903d0370f59e79702ac908c81bf556519f91e9ca297John McCall T = T->PointeeType->castAs<ReferenceType>(); 190454e14c4db764c0636160d26c5bbf491637c83a76John McCall return T->PointeeType; 190554e14c4db764c0636160d26c5bbf491637c83a76John McCall } 190668694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 19075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 190871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Profile(ID, PointeeType, isSpelledAsLValue()); 19095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 191054e14c4db764c0636160d26c5bbf491637c83a76John McCall static void Profile(llvm::FoldingSetNodeID &ID, 191154e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Referencee, 191254e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) { 19135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Referencee.getAsOpaquePtr()); 191454e14c4db764c0636160d26c5bbf491637c83a76John McCall ID.AddBoolean(SpelledAsLValue); 19155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19177c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 19187c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference || 19197c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl T->getTypeClass() == RValueReference; 19207c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 19215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReferenceType *) { return true; } 19227c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 19237c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 19247c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// LValueReferenceType - C++ [dcl.ref] - Lvalue reference 19257c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 19267c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass LValueReferenceType : public ReferenceType { 192754e14c4db764c0636160d26c5bbf491637c83a76John McCall LValueReferenceType(QualType Referencee, QualType CanonicalRef, 192854e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 192954e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(LValueReference, Referencee, CanonicalRef, SpelledAsLValue) 193054e14c4db764c0636160d26c5bbf491637c83a76John McCall {} 19317c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 19327c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 1933bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1934bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1935bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 19367c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 19377c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference; 19387c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 19397c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const LValueReferenceType *) { return true; } 19407c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 19417c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 19427c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// RValueReferenceType - C++0x [dcl.ref] - Rvalue reference 19437c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 19447c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass RValueReferenceType : public ReferenceType { 19457c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType(QualType Referencee, QualType CanonicalRef) : 194654e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(RValueReference, Referencee, CanonicalRef, false) { 19477c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 19487c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 19497c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 1950bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1951bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1952bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 19537c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 19547c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == RValueReference; 19557c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 19567c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const RValueReferenceType *) { return true; } 1957f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl}; 1958f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1959f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// MemberPointerType - C++ 8.3.3 - Pointers to members 1960f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// 1961f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlclass MemberPointerType : public Type, public llvm::FoldingSetNode { 1962f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType PointeeType; 1963f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// The class of which the pointee is a member. Must ultimately be a 1964f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// RecordType, but could be a typedef or a template parameter too. 1965f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class; 1966f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1967f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType(QualType Pointee, const Type *Cls, QualType CanonicalPtr) : 1968f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Type(MemberPointer, CanonicalPtr, 196935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Cls->isDependentType() || Pointee->isDependentType(), 1970d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->isVariablyModifiedType(), 1971d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor (Cls->containsUnexpandedParameterPack() || 1972d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->containsUnexpandedParameterPack())), 1973f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl PointeeType(Pointee), Class(Cls) { 1974f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1975f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl friend class ASTContext; // ASTContext creates these. 197660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 1977f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlpublic: 1978f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getPointeeType() const { return PointeeType; } 1979f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 19800bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Returns true if the member type (i.e. the pointee type) is a 19810bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// function type rather than a data-member type. 19820bab0cdab751248ca389a5592bcb70eac5d39260John McCall bool isMemberFunctionPointer() const { 19830bab0cdab751248ca389a5592bcb70eac5d39260John McCall return PointeeType->isFunctionProtoType(); 19840bab0cdab751248ca389a5592bcb70eac5d39260John McCall } 19850bab0cdab751248ca389a5592bcb70eac5d39260John McCall 19860bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Returns true if the member type (i.e. the pointee type) is a 19870bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// data type rather than a function type. 19880bab0cdab751248ca389a5592bcb70eac5d39260John McCall bool isMemberDataPointer() const { 19890bab0cdab751248ca389a5592bcb70eac5d39260John McCall return !PointeeType->isFunctionProtoType(); 19900bab0cdab751248ca389a5592bcb70eac5d39260John McCall } 19910bab0cdab751248ca389a5592bcb70eac5d39260John McCall 1992f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *getClass() const { return Class; } 1993f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1994bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1995bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1996bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1997f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void Profile(llvm::FoldingSetNodeID &ID) { 1998f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Profile(ID, getPointeeType(), getClass()); 1999f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 2000f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee, 2001f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class) { 2002f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Pointee.getAsOpaquePtr()); 2003f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Class); 2004f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 2005f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 2006f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const Type *T) { 2007f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return T->getTypeClass() == MemberPointer; 2008f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 2009f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const MemberPointerType *) { return true; } 20105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 20115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArrayType - C99 6.7.5.2 - Array Declarators. 20135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 20142e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ArrayType : public Type, public llvm::FoldingSetNode { 20155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 20165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ArraySizeModifier - Capture whether this is a normal array (e.g. int X[4]) 2017898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// an array with a static size (e.g. int X[static 4]), or an array 2018898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// with a star size (e.g. int X[*]). 2019898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// 'static' is only allowed on function parameters. 20205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum ArraySizeModifier { 20215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Normal, Static, Star 20225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 20235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 2024fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff /// ElementType - The element type of the array. 2025fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType ElementType; 20261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2027fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffprotected: 2028898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // C++ [temp.dep.type]p1: 2029898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // A type is dependent if it is... 2030898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // - an array type constructed from any dependent type or whose 2031898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // size is specified by a constant expression that is 2032898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // value-dependent, 2033c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType(TypeClass tc, QualType et, QualType can, 2034d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ArraySizeModifier sm, unsigned tq, 2035d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool ContainsUnexpandedParameterPack) 203635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(tc, can, et->isDependentType() || tc == DependentSizedArray, 2037d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor (tc == VariableArray || et->isVariablyModifiedType()), 2038d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ContainsUnexpandedParameterPack), 203971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ElementType(et) { 2040b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBits.IndexTypeQuals = tq; 2041b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBits.SizeModifier = sm; 204271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2043898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2044fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 204560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 2046fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 2047fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType getElementType() const { return ElementType; } 2048ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek ArraySizeModifier getSizeModifier() const { 2049b870b88df784c2940efce448ebfaf54dece14666John McCall return ArraySizeModifier(ArrayTypeBits.SizeModifier); 2050ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek } 20510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getIndexTypeQualifiers() const { 205271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Qualifiers::fromCVRMask(getIndexTypeCVRQualifiers()); 205371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 205471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall unsigned getIndexTypeCVRQualifiers() const { 2055b870b88df784c2940efce448ebfaf54dece14666John McCall return ArrayTypeBits.IndexTypeQuals; 20560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 20571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2058fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const Type *T) { 2059fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff return T->getTypeClass() == ConstantArray || 2060c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman T->getTypeClass() == VariableArray || 2061898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == IncompleteArray || 2062898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == DependentSizedArray; 2063fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 2064fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ArrayType *) { return true; } 2065fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 2066fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 20677e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// ConstantArrayType - This class represents the canonical version of 20687e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// C arrays with a specified constant size. For example, the canonical 20697e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type for 'int A[4 + 4*100]' is a ConstantArrayType where the element 20707e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type is 'int' and the size is 404. 20712e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ConstantArrayType : public ArrayType { 2072fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff llvm::APInt Size; // Allows us to unique the type. 20731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20740be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType(QualType et, QualType can, const llvm::APInt &size, 2075c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArraySizeModifier sm, unsigned tq) 2076d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(ConstantArray, et, can, sm, tq, 2077d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor et->containsUnexpandedParameterPack()), 20787e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Size(size) {} 20797e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregorprotected: 20807e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ConstantArrayType(TypeClass tc, QualType et, QualType can, 20817e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor const llvm::APInt &size, ArraySizeModifier sm, unsigned tq) 2082d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(tc, et, can, sm, tq, et->containsUnexpandedParameterPack()), 2083d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Size(size) {} 2084fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 2085fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 2086c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const llvm::APInt &getSize() const { return Size; } 2087bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2088bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2089bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 20902767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 20912767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the number of bits required to address a member of 20922767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor // an array with the given element type and number of elements. 20932767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getNumAddressingBits(ASTContext &Context, 20942767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor QualType ElementType, 20952767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor const llvm::APInt &NumElements); 20962767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 20972767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the maximum number of active bits that an array's size 20982767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// can require, which limits the maximum size of the array. 20992767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getMaxSizeBits(ASTContext &Context); 21002767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 2101fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 21021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, getElementType(), getSize(), 21030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers()); 2104fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 2105fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 21060be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner const llvm::APInt &ArraySize, ArraySizeModifier SizeMod, 21070be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner unsigned TypeQuals) { 2108fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddPointer(ET.getAsOpaquePtr()); 2109fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddInteger(ArraySize.getZExtValue()); 21100be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 21110be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 2112fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 21137e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor static bool classof(const Type *T) { 211446a617a792bfab0d9b1e057371ea3b9540802226John McCall return T->getTypeClass() == ConstantArray; 2115fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 2116fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ConstantArrayType *) { return true; } 2117fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 2118fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 2119da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// IncompleteArrayType - This class represents C arrays with an unspecified 2120da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// size. For example 'int A[]' has an IncompleteArrayType where the element 2121da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// type is 'int' and the size is unspecified. 2122c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanclass IncompleteArrayType : public ArrayType { 21237e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 2124c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType(QualType et, QualType can, 21257e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq) 2126d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(IncompleteArray, et, can, sm, tq, 2127d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor et->containsUnexpandedParameterPack()) {} 2128c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class ASTContext; // ASTContext creates these. 2129c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanpublic: 2130bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2131bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2132bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 21331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 21341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == IncompleteArray; 2135c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 2136c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman static bool classof(const IncompleteArrayType *) { return true; } 21371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2138c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class StmtIteratorBase; 21391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2140c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void Profile(llvm::FoldingSetNodeID &ID) { 21410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Profile(ID, getElementType(), getSizeModifier(), 21420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getIndexTypeCVRQualifiers()); 2143c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 21441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21450be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 21460be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ArraySizeModifier SizeMod, unsigned TypeQuals) { 2147c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ID.AddPointer(ET.getAsOpaquePtr()); 21480be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 21490be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 2150c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 2151c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman}; 2152c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 2153da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// VariableArrayType - This class represents C arrays with a specified size 2154da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// which is not an integer-constant-expression. For example, 'int s[x+foo()]'. 2155da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Since the size expression is an arbitrary expression, we store it as such. 2156da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 2157da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Note: VariableArrayType's aren't uniqued (since the expressions aren't) and 2158da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// should not be: two lexically equivalent variable array types could mean 2159da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// different things, for example, these variables do not have the same type 2160da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// dynamically: 2161da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 2162da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// void foo(int x) { 2163da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Y[x]; 2164da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// ++x; 2165da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Z[x]; 2166da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// } 2167da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 21682e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass VariableArrayType : public ArrayType { 21691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// SizeExpr - An assignment expression. VLA's are only permitted within 21701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// a function block. 2171b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek Stmt *SizeExpr; 21727e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 21737e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 21747e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 2175c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff VariableArrayType(QualType et, QualType can, Expr *e, 21767e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq, 21777e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange brackets) 2178d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(VariableArray, et, can, sm, tq, 2179d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor et->containsUnexpandedParameterPack()), 21807e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SizeExpr((Stmt*) e), Brackets(brackets) {} 21815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 21824b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 21835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 21841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 2185b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // We use C-style casts instead of cast<> here because we do not wish 2186b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // to have a dependency of Type.h on Stmt.h/Expr.h. 2187b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek return (Expr*) SizeExpr; 2188b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek } 21897e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 21907e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 21917e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 21921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2193bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2194bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2195bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 21961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 21971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == VariableArray; 21985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2199fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const VariableArrayType *) { return true; } 22001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 220192866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek friend class StmtIteratorBase; 22021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22032bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) { 2204fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner assert(0 && "Cannot unique VariableArrayTypes."); 22052bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 22065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 22075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2208898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// DependentSizedArrayType - This type represents an array type in 2209898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// C++ whose size is a value-dependent expression. For example: 2210cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 2211cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \code 22121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// template<typename T, int Size> 2213898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// class array { 2214898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// T data[Size]; 2215898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// }; 2216cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \endcode 2217cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 2218898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// For these types, we won't actually know what the array bound is 2219898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// until template instantiation occurs, at which point this will 2220898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// become either a ConstantArrayType or a VariableArrayType. 2221898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorclass DependentSizedArrayType : public ArrayType { 22224ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 22231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2224cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// \brief An assignment expression that will instantiate to the 2225898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// size of the array. 2226cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// 2227cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// The expression itself might be NULL, in which case the array 2228cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// type will have its size deduced from an initializer. 2229898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Stmt *SizeExpr; 2230cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 22317e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 22327e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 22331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22344ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentSizedArrayType(const ASTContext &Context, QualType et, QualType can, 223504d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor Expr *e, ArraySizeModifier sm, unsigned tq, 2236d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor SourceRange brackets); 2237d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2238898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class ASTContext; // ASTContext creates these. 2239898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2240898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorpublic: 22411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 2242898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // We use C-style casts instead of cast<> here because we do not wish 2243898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // to have a dependency of Type.h on Stmt.h/Expr.h. 2244898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return (Expr*) SizeExpr; 2245898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 22467e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 22477e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 22487e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 22491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2250bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2251bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2252bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 22531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 22541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedArray; 2255898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 2256898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool classof(const DependentSizedArrayType *) { return true; } 22571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2258898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class StmtIteratorBase; 22591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2261898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 22621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, Context, getElementType(), 22630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers(), getSizeExpr()); 2264898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 22651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22664ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 22671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType ET, ArraySizeModifier SizeMod, 226804d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor unsigned TypeQuals, Expr *E); 2269898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor}; 2270898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2271f6ddb737cb882ffbf0b75a9abd50b930cc2b9068Douglas Gregor/// DependentSizedExtVectorType - This type represent an extended vector type 22729cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// where either the type or size is dependent. For example: 22739cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @code 22749cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// template<typename T, int Size> 22759cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// class vector { 22769cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// typedef T __attribute__((ext_vector_type(Size))) type; 22779cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// } 22789cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @endcode 22792ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregorclass DependentSizedExtVectorType : public Type, public llvm::FoldingSetNode { 22804ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 22819cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr; 22829cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// ElementType - The element type of the array. 22839cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType ElementType; 22849cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation loc; 22851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22864ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentSizedExtVectorType(const ASTContext &Context, QualType ElementType, 2287d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor QualType can, Expr *SizeExpr, SourceLocation loc); 2288d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 22899cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor friend class ASTContext; 22909cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 22919cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregorpublic: 22922ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Expr *getSizeExpr() const { return SizeExpr; } 22939cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType getElementType() const { return ElementType; } 22949cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation getAttributeLoc() const { return loc; } 22959cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 2296bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2297bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2298bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 22991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 23001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedExtVector; 23019cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor } 23021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const DependentSizedExtVectorType *) { return true; } 23032ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor 23042ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 23052ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Profile(ID, Context, getElementType(), getSizeExpr()); 23062ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 23071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23084ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 23092ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType ElementType, Expr *SizeExpr); 23109cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor}; 23111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23129cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 231373322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// VectorType - GCC generic vector type. This type is created using 23141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// __attribute__((vector_size(n)), where "n" specifies the vector size in 231582287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// bytes; or from an Altivec __vector or vector declaration. 231682287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// Since the constructor takes the number of vector elements, the 231773322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// client is responsible for converting the size into the number of elements. 23185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass VectorType : public Type, public llvm::FoldingSetNode { 2319788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattnerpublic: 2320e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson enum VectorKind { 2321e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson GenericVector, // not a target-specific vector type 2322e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecVector, // is AltiVec vector 2323e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecPixel, // is AltiVec 'vector Pixel' 2324e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecBool, // is AltiVec 'vector bool ...' 2325491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson NeonVector, // is ARM Neon vector 2326491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson NeonPolyVector // is ARM Neon polynomial vector 2327788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner }; 232873322924127c873c13101b705dd823f5539ffa5fSteve Naroffprotected: 23295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ElementType - The element type of the vector. 23305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 23311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 233282287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType(QualType vecType, unsigned nElements, QualType canonType, 2333d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor VectorKind vecKind); 233435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 23351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump VectorType(TypeClass tc, QualType vecType, unsigned nElements, 2336d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor QualType canonType, VectorKind vecKind); 2337d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 23385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 233960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 23405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 23411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 2343b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getNumElements() const { return VectorTypeBits.NumElements; } 23445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2345bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2346bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2347bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2348e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorKind getVectorKind() const { 2349e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson return VectorKind(VectorTypeBits.VecKind); 235071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2351788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 23525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 235371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Profile(ID, getElementType(), getNumElements(), 2354e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson getTypeClass(), getVectorKind()); 23555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 23561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ElementType, 235782287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson unsigned NumElements, TypeClass TypeClass, 2358e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorKind VecKind) { 23595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ElementType.getAsOpaquePtr()); 23605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddInteger(NumElements); 236173322924127c873c13101b705dd823f5539ffa5fSteve Naroff ID.AddInteger(TypeClass); 2362e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson ID.AddInteger(VecKind); 236373322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 23640b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 23651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 23661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == Vector || T->getTypeClass() == ExtVector; 23675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 23685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const VectorType *) { return true; } 23695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 23705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2371213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// ExtVectorType - Extended vector type. This type is created using 2372213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// __attribute__((ext_vector_type(n)), where "n" is the number of elements. 2373213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// Unlike vector_size, ext_vector_type is only allowed on typedef's. This 2374fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// class enables syntactic extensions, like Vector Components for accessing 2375fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// points, colors, and textures (modeled after OpenGL Shading Language). 2376213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemanclass ExtVectorType : public VectorType { 2377213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman ExtVectorType(QualType vecType, unsigned nElements, QualType canonType) : 2378e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType(ExtVector, vecType, nElements, canonType, GenericVector) {} 237973322924127c873c13101b705dd823f5539ffa5fSteve Naroff friend class ASTContext; // ASTContext creates these. 238073322924127c873c13101b705dd823f5539ffa5fSteve Naroffpublic: 238188dca0464804b8b26ae605f89784c927e8493dddChris Lattner static int getPointAccessorIdx(char c) { 238288dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 238388dca0464804b8b26ae605f89784c927e8493dddChris Lattner default: return -1; 238488dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'x': return 0; 238588dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'y': return 1; 238688dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'z': return 2; 238788dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'w': return 3; 238888dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 2389e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 2390353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman static int getNumericAccessorIdx(char c) { 239188dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 2392353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman default: return -1; 2393353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '0': return 0; 2394353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '1': return 1; 2395353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '2': return 2; 2396353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '3': return 3; 2397353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '4': return 4; 2398353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '5': return 5; 2399353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '6': return 6; 2400353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '7': return 7; 2401353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '8': return 8; 2402353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '9': return 9; 2403131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'A': 2404353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'a': return 10; 2405131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'B': 2406353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'b': return 11; 2407131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'C': 2408353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'c': return 12; 2409131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'D': 2410353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'd': return 13; 2411131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'E': 2412353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'e': return 14; 2413131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'F': 2414353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'f': return 15; 241588dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 2416e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 24171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2418b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner static int getAccessorIdx(char c) { 2419b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getPointAccessorIdx(c)+1) return idx-1; 2420353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman return getNumericAccessorIdx(c); 2421b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner } 24221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 242388dca0464804b8b26ae605f89784c927e8493dddChris Lattner bool isAccessorWithinNumElements(char c) const { 2424b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getAccessorIdx(c)+1) 242571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return unsigned(idx-1) < getNumElements(); 242688dca0464804b8b26ae605f89784c927e8493dddChris Lattner return false; 2427e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 2428bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2429bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2430bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 24311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 24321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ExtVector; 243373322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 2434213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman static bool classof(const ExtVectorType *) { return true; } 243573322924127c873c13101b705dd823f5539ffa5fSteve Naroff}; 243673322924127c873c13101b705dd823f5539ffa5fSteve Naroff 24375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// FunctionType - C99 6.7.5.3 - Function Declarators. This is the common base 243872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// class of FunctionNoProtoType and FunctionProtoType. 24395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 24405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FunctionType : public Type { 24415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // The type returned by the function. 24425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ResultType; 2443264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2444264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 2445373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// ExtInfo - A class which abstracts out some details necessary for 2446373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// making a call. 2447373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// 2448373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// It is not actually used directly for storing this information in 2449373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// a FunctionType, although FunctionType does currently use the 2450373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// same bit-pattern. 2451373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// 2452075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // If you add a field (say Foo), other than the obvious places (both, 2453075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // constructors, compile failures), what you need to update is 2454075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // * Operator== 2455425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * getFoo 2456425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * withFoo 2457425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * functionType. Add Foo, getFoo. 2458425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::getFooType 2459425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::mergeFunctionTypes 2460425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionNoProtoType::Profile 2461425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionProtoType::Profile 2462425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * TypePrinter::PrintFunctionProto 24633c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // * AST read and write 2464425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * Codegen 2465264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola class ExtInfo { 2466f85e193739c953358c865005855253af4f68a497John McCall // Feel free to rearrange or add bits, but if you go over 9, 2467373920bd733b1d28fe7bf209945a62eb9248d948John McCall // you'll need to adjust both the Bits field below and 2468373920bd733b1d28fe7bf209945a62eb9248d948John McCall // Type::FunctionTypeBitfields. 2469373920bd733b1d28fe7bf209945a62eb9248d948John McCall 2470f85e193739c953358c865005855253af4f68a497John McCall // | CC |noreturn|produces|hasregparm|regparm 2471f85e193739c953358c865005855253af4f68a497John McCall // |0 .. 2| 3 | 4 | 5 |6 .. 8 2472b870b88df784c2940efce448ebfaf54dece14666John McCall enum { CallConvMask = 0x7 }; 2473b870b88df784c2940efce448ebfaf54dece14666John McCall enum { NoReturnMask = 0x8 }; 2474f85e193739c953358c865005855253af4f68a497John McCall enum { ProducesResultMask = 0x10 }; 2475f85e193739c953358c865005855253af4f68a497John McCall enum { HasRegParmMask = 0x20 }; 2476f85e193739c953358c865005855253af4f68a497John McCall enum { RegParmMask = ~(CallConvMask | NoReturnMask | ProducesResultMask), 2477f85e193739c953358c865005855253af4f68a497John McCall RegParmOffset = 6 }; // Assumed to be the last field 2478b870b88df784c2940efce448ebfaf54dece14666John McCall 2479f85e193739c953358c865005855253af4f68a497John McCall uint16_t Bits; 248071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 2481f85e193739c953358c865005855253af4f68a497John McCall ExtInfo(unsigned Bits) : Bits(static_cast<uint16_t>(Bits)) {} 248271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 248371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall friend class FunctionType; 248471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 2485264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 2486264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with no defaults. Use this when you know that you 24873c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // have all the elements (when reading an AST file for example). 2488f85e193739c953358c865005855253af4f68a497John McCall ExtInfo(bool noReturn, bool hasRegParm, unsigned regParm, CallingConv cc, 2489f85e193739c953358c865005855253af4f68a497John McCall bool producesResult) { 2490b870b88df784c2940efce448ebfaf54dece14666John McCall Bits = ((unsigned) cc) | 2491b870b88df784c2940efce448ebfaf54dece14666John McCall (noReturn ? NoReturnMask : 0) | 2492f85e193739c953358c865005855253af4f68a497John McCall (producesResult ? ProducesResultMask : 0) | 2493a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman (hasRegParm ? HasRegParmMask : 0) | 2494b870b88df784c2940efce448ebfaf54dece14666John McCall (regParm << RegParmOffset); 249571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2496264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2497264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with all defaults. Use when for example creating a 2498264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // function know to use defaults. 249971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo() : Bits(0) {} 2500264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2501b870b88df784c2940efce448ebfaf54dece14666John McCall bool getNoReturn() const { return Bits & NoReturnMask; } 2502f85e193739c953358c865005855253af4f68a497John McCall bool getProducesResult() const { return Bits & ProducesResultMask; } 2503a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman bool getHasRegParm() const { return Bits & HasRegParmMask; } 2504b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getRegParm() const { return Bits >> RegParmOffset; } 2505b870b88df784c2940efce448ebfaf54dece14666John McCall CallingConv getCC() const { return CallingConv(Bits & CallConvMask); } 2506264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 250771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool operator==(ExtInfo Other) const { 250871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Bits == Other.Bits; 2509264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 251071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool operator!=(ExtInfo Other) const { 251171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Bits != Other.Bits; 2512264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2513264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2514264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Note that we don't have setters. That is by design, use 2515264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // the following with methods instead of mutating these objects. 2516264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2517264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withNoReturn(bool noReturn) const { 251871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall if (noReturn) 251971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return ExtInfo(Bits | NoReturnMask); 252071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall else 252171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return ExtInfo(Bits & ~NoReturnMask); 2522425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola } 2523425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 2524f85e193739c953358c865005855253af4f68a497John McCall ExtInfo withProducesResult(bool producesResult) const { 2525f85e193739c953358c865005855253af4f68a497John McCall if (producesResult) 2526f85e193739c953358c865005855253af4f68a497John McCall return ExtInfo(Bits | ProducesResultMask); 2527f85e193739c953358c865005855253af4f68a497John McCall else 2528f85e193739c953358c865005855253af4f68a497John McCall return ExtInfo(Bits & ~ProducesResultMask); 2529f85e193739c953358c865005855253af4f68a497John McCall } 2530f85e193739c953358c865005855253af4f68a497John McCall 2531425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola ExtInfo withRegParm(unsigned RegParm) const { 2532f85e193739c953358c865005855253af4f68a497John McCall return ExtInfo((Bits & ~RegParmMask) | 2533f85e193739c953358c865005855253af4f68a497John McCall (HasRegParmMask) | 2534f85e193739c953358c865005855253af4f68a497John McCall (RegParm << RegParmOffset)); 2535264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2536264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2537264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withCallingConv(CallingConv cc) const { 2538b870b88df784c2940efce448ebfaf54dece14666John McCall return ExtInfo((Bits & ~CallConvMask) | (unsigned) cc); 2539264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2540264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2541e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall void Profile(llvm::FoldingSetNodeID &ID) const { 254271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ID.AddInteger(Bits); 254371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2544264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola }; 2545264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 25465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 2547e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionType(TypeClass tc, QualType res, bool variadic, 2548c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor unsigned typeQuals, RefQualifierKind RefQualifier, 2549c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor QualType Canonical, bool Dependent, 2550d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool VariablyModified, bool ContainsUnexpandedParameterPack, 2551d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ExtInfo Info) 2552d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(tc, Canonical, Dependent, VariablyModified, 2553d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ContainsUnexpandedParameterPack), 2554d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ResultType(res) { 2555b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.ExtInfo = Info.Bits; 2556e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionTypeBits.Variadic = variadic; 2557b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.TypeQuals = typeQuals; 2558c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor FunctionTypeBits.RefQualifier = static_cast<unsigned>(RefQualifier); 255971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2560e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall bool isVariadic() const { return FunctionTypeBits.Variadic; } 2561b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getTypeQuals() const { return FunctionTypeBits.TypeQuals; } 2562c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 2563c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RefQualifierKind getRefQualifier() const { 2564c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor return static_cast<RefQualifierKind>(FunctionTypeBits.RefQualifier); 2565c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor } 2566c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 25675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 25681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getResultType() const { return ResultType; } 2570a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman 2571a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman bool getHasRegParm() const { return getExtInfo().getHasRegParm(); } 2572b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getRegParmType() const { return getExtInfo().getRegParm(); } 2573b870b88df784c2940efce448ebfaf54dece14666John McCall bool getNoReturnAttr() const { return getExtInfo().getNoReturn(); } 2574b870b88df784c2940efce448ebfaf54dece14666John McCall CallingConv getCallConv() const { return getExtInfo().getCC(); } 2575b870b88df784c2940efce448ebfaf54dece14666John McCall ExtInfo getExtInfo() const { return ExtInfo(FunctionTypeBits.ExtInfo); } 25765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 25775291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// \brief Determine the type of an expression that calls a function of 25785291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// this type. 25795291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor QualType getCallResultType(ASTContext &Context) const { 25806398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor return getResultType().getNonLValueExprType(Context); 25815291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor } 25825291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 258304a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall static llvm::StringRef getNameForCallConv(CallingConv CC); 258404a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 25855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 25865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto || 25875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer T->getTypeClass() == FunctionProto; 25885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 25895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FunctionType *) { return true; } 25905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 25915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 259272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionNoProtoType - Represents a K&R-style 'int foo()' function, which has 25935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// no information available about its arguments. 259472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionNoProtoType : public FunctionType, public llvm::FoldingSetNode { 259571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall FunctionNoProtoType(QualType Result, QualType Canonical, ExtInfo Info) 2596c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor : FunctionType(FunctionNoProto, Result, false, 0, RQ_None, Canonical, 259735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /*Dependent=*/false, Result->isVariablyModifiedType(), 2598d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false, Info) {} 2599d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 26005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 260160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 26025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 26035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // No additional state past what FunctionType provides. 26041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2605bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2606bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2607bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 26085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 2609264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Profile(ID, getResultType(), getExtInfo()); 26105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 26112455636163fdd18581d7fdae816433f886d88213Mike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ResultType, 261271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo Info) { 261371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Info.Profile(ID); 26145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ResultType.getAsOpaquePtr()); 26155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 26161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 26185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto; 26195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 262072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionNoProtoType *) { return true; } 26215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 26225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 262372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionProtoType - Represents a prototype with argument type info, e.g. 26245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int foo(int)' or 'int foo(void)'. 'void' is represented as having no 2625465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// arguments, not as having a single void argument. Such a type can have an 2626465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// exception specification, but this specification is not part of the canonical 2627465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// type. 262872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionProtoType : public FunctionType, public llvm::FoldingSetNode { 2629e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCallpublic: 2630e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall /// ExtProtoInfo - Extra information about a function prototype. 2631e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall struct ExtProtoInfo { 2632e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall ExtProtoInfo() : 26338b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl Variadic(false), ExceptionSpecType(EST_None), TypeQuals(0), 2634f85e193739c953358c865005855253af4f68a497John McCall RefQualifier(RQ_None), NumExceptions(0), Exceptions(0), NoexceptExpr(0), 2635f85e193739c953358c865005855253af4f68a497John McCall ConsumedArguments(0) {} 2636e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 2637e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionType::ExtInfo ExtInfo; 2638e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall bool Variadic; 26398b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl ExceptionSpecificationType ExceptionSpecType; 2640e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall unsigned char TypeQuals; 2641c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RefQualifierKind RefQualifier; 2642e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall unsigned NumExceptions; 2643e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall const QualType *Exceptions; 26448b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl Expr *NoexceptExpr; 2645f85e193739c953358c865005855253af4f68a497John McCall const bool *ConsumedArguments; 2646e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall }; 2647e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 2648e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCallprivate: 2649d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Determine whether there are any argument types that 2650d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// contain an unexpanded parameter pack. 2651d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor static bool containsAnyUnexpandedParameterPack(const QualType *ArgArray, 2652d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned numArgs) { 2653d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor for (unsigned Idx = 0; Idx < numArgs; ++Idx) 2654d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor if (ArgArray[Idx]->containsUnexpandedParameterPack()) 2655d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return true; 2656d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2657d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return false; 2658d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 2659d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2660e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType(QualType result, const QualType *args, unsigned numArgs, 26618026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl QualType canonical, const ExtProtoInfo &epi); 2662465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 26635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// NumArgs - The number of arguments this function has, not counting '...'. 2664f85e193739c953358c865005855253af4f68a497John McCall unsigned NumArgs : 19; 2665465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2666465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// NumExceptions - The number of types in the exception spec, if any. 266760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl unsigned NumExceptions : 9; 2668465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 266960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// ExceptionSpecType - The type of exception specification this function has. 267060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl unsigned ExceptionSpecType : 3; 2671465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2672f85e193739c953358c865005855253af4f68a497John McCall /// HasAnyConsumedArgs - Whether this function has any consumed arguments. 2673f85e193739c953358c865005855253af4f68a497John McCall unsigned HasAnyConsumedArgs : 1; 2674f85e193739c953358c865005855253af4f68a497John McCall 2675942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// ArgInfo - There is an variable size array after the class in memory that 2676942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// holds the argument types. 2677465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2678465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// Exceptions - There is another variable size array after ArgInfo that 2679465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// holds the exception types. 2680465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 268160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// NoexceptExpr - Instead of Exceptions, there may be a single Expr* pointing 268260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// to the expression in the noexcept() specifier. 268360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl 2684f85e193739c953358c865005855253af4f68a497John McCall /// ConsumedArgs - A variable size array, following Exceptions 2685f85e193739c953358c865005855253af4f68a497John McCall /// and of length NumArgs, holding flags indicating which arguments 2686f85e193739c953358c865005855253af4f68a497John McCall /// are consumed. This only appears if HasAnyConsumedArgs is true. 2687f85e193739c953358c865005855253af4f68a497John McCall 26885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 26894b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 2690f85e193739c953358c865005855253af4f68a497John McCall const bool *getConsumedArgsBuffer() const { 2691f85e193739c953358c865005855253af4f68a497John McCall assert(hasAnyConsumedArgs()); 2692f85e193739c953358c865005855253af4f68a497John McCall 2693f85e193739c953358c865005855253af4f68a497John McCall // Find the end of the exceptions. 2694f85e193739c953358c865005855253af4f68a497John McCall Expr * const *eh_end = reinterpret_cast<Expr * const *>(arg_type_end()); 2695f85e193739c953358c865005855253af4f68a497John McCall if (getExceptionSpecType() != EST_ComputedNoexcept) 2696f85e193739c953358c865005855253af4f68a497John McCall eh_end += NumExceptions; 2697f85e193739c953358c865005855253af4f68a497John McCall else 2698f85e193739c953358c865005855253af4f68a497John McCall eh_end += 1; // NoexceptExpr 2699f85e193739c953358c865005855253af4f68a497John McCall 2700f85e193739c953358c865005855253af4f68a497John McCall return reinterpret_cast<const bool*>(eh_end); 2701f85e193739c953358c865005855253af4f68a497John McCall } 2702f85e193739c953358c865005855253af4f68a497John McCall 27035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 27045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 27055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgType(unsigned i) const { 27065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(i < NumArgs && "Invalid argument number!"); 2707942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return arg_type_begin()[i]; 27085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2709465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2710e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall ExtProtoInfo getExtProtoInfo() const { 2711e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall ExtProtoInfo EPI; 2712e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = getExtInfo(); 2713e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.Variadic = isVariadic(); 271460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.ExceptionSpecType = getExceptionSpecType(); 2715e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.TypeQuals = static_cast<unsigned char>(getTypeQuals()); 2716c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor EPI.RefQualifier = getRefQualifier(); 271760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EPI.ExceptionSpecType == EST_Dynamic) { 271860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.NumExceptions = NumExceptions; 271960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.Exceptions = exception_begin(); 272060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } else if (EPI.ExceptionSpecType == EST_ComputedNoexcept) { 272160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.NoexceptExpr = getNoexceptExpr(); 272260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 2723f85e193739c953358c865005855253af4f68a497John McCall if (hasAnyConsumedArgs()) 2724f85e193739c953358c865005855253af4f68a497John McCall EPI.ConsumedArguments = getConsumedArgsBuffer(); 2725e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return EPI; 2726e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall } 2727e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 272860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Get the kind of exception specification on this function. 272960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl ExceptionSpecificationType getExceptionSpecType() const { 273060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return static_cast<ExceptionSpecificationType>(ExceptionSpecType); 273160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 273260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Return whether this function has any kind of exception spec. 273360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl bool hasExceptionSpec() const { 273460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return getExceptionSpecType() != EST_None; 273560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 273660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Return whether this function has a dynamic (throw) exception spec. 273760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl bool hasDynamicExceptionSpec() const { 273860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return isDynamicExceptionSpec(getExceptionSpecType()); 273960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 2740fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner /// \brief Return whether this function has a noexcept exception spec. 274160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl bool hasNoexceptExceptionSpec() const { 274260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return isNoexceptExceptionSpec(getExceptionSpecType()); 274360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 274460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Result type of getNoexceptSpec(). 274560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl enum NoexceptResult { 274660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_NoNoexcept, ///< There is no noexcept specifier. 274760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_BadNoexcept, ///< The noexcept specifier has a bad expression. 274860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_Dependent, ///< The noexcept specifier is dependent. 274960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_Throw, ///< The noexcept specifier evaluates to false. 275060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_Nothrow ///< The noexcept specifier evaluates to true. 275160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl }; 275260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Get the meaning of the noexcept spec on this function, if any. 27538026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl NoexceptResult getNoexceptSpec(ASTContext &Ctx) const; 2754465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned getNumExceptions() const { return NumExceptions; } 2755465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl QualType getExceptionType(unsigned i) const { 2756465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(i < NumExceptions && "Invalid exception number!"); 2757465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin()[i]; 2758465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 275960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl Expr *getNoexceptExpr() const { 276060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (getExceptionSpecType() != EST_ComputedNoexcept) 276160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return 0; 276260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl // NoexceptExpr sits where the arguments end. 276360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return *reinterpret_cast<Expr *const *>(arg_type_end()); 2764d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson } 27658026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl bool isNothrow(ASTContext &Ctx) const { 276660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl ExceptionSpecificationType EST = getExceptionSpecType(); 27677a614d8380297fcd2bc23986241905d97222948cRichard Smith assert(EST != EST_Delayed); 276860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EST == EST_DynamicNone || EST == EST_BasicNoexcept) 276960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return true; 277060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EST != EST_ComputedNoexcept) 277160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return false; 27728026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl return getNoexceptSpec(Ctx) == NR_Nothrow; 2773c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall } 2774c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall 2775e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall using FunctionType::isVariadic; 277660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl 2777f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// \brief Determines whether this function prototype contains a 2778f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// parameter pack at the end. 2779f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// 2780f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// A function template whose last parameter is a parameter pack can be 2781f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// called with an arbitrary number of arguments, much like a variadic 2782f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// function. However, 2783f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor bool isTemplateVariadic() const; 2784f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor 2785971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned getTypeQuals() const { return FunctionType::getTypeQuals(); } 27861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2787c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 2788c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief Retrieve the ref-qualifier associated with this function type. 2789c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RefQualifierKind getRefQualifier() const { 2790c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor return FunctionType::getRefQualifier(); 2791c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor } 2792c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 27935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef const QualType *arg_type_iterator; 2794942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_begin() const { 2795942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return reinterpret_cast<const QualType *>(this+1); 2796942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner } 2797942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_end() const { return arg_type_begin()+NumArgs; } 2798465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2799465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl typedef const QualType *exception_iterator; 2800465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_begin() const { 2801465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // exceptions begin where arguments end 2802465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return arg_type_end(); 2803465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2804465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_end() const { 280560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (getExceptionSpecType() != EST_Dynamic) 280660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return exception_begin(); 2807465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin() + NumExceptions; 2808465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2809465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2810f85e193739c953358c865005855253af4f68a497John McCall bool hasAnyConsumedArgs() const { 2811f85e193739c953358c865005855253af4f68a497John McCall return HasAnyConsumedArgs; 2812f85e193739c953358c865005855253af4f68a497John McCall } 2813f85e193739c953358c865005855253af4f68a497John McCall bool isArgConsumed(unsigned I) const { 2814f85e193739c953358c865005855253af4f68a497John McCall assert(I < getNumArgs() && "argument index out of range!"); 2815f85e193739c953358c865005855253af4f68a497John McCall if (hasAnyConsumedArgs()) 2816f85e193739c953358c865005855253af4f68a497John McCall return getConsumedArgsBuffer()[I]; 2817f85e193739c953358c865005855253af4f68a497John McCall return false; 2818f85e193739c953358c865005855253af4f68a497John McCall } 2819f85e193739c953358c865005855253af4f68a497John McCall 2820bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2821bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2822bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 28235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 28245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionProto; 28255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 282672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionProtoType *) { return true; } 2827465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 28288026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Ctx); 28295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Result, 2830942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator ArgTys, unsigned NumArgs, 28318026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl const ExtProtoInfo &EPI, const ASTContext &Context); 28325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 28335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 28345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2835ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// \brief Represents the dependent type named by a dependently-scoped 2836ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// typename using declaration, e.g. 2837ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// using typename Base<T>::foo; 2838ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// Template instantiation turns these into the underlying type. 2839ed97649e9574b9d854fa4d6109c9333ae0993554John McCallclass UnresolvedUsingType : public Type { 2840ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *Decl; 2841ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 284219c8576b7328f4dc2d07682f5da552875c1912efJohn McCall UnresolvedUsingType(const UnresolvedUsingTypenameDecl *D) 2843d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(UnresolvedUsing, QualType(), true, false, 2844d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 284519c8576b7328f4dc2d07682f5da552875c1912efJohn McCall Decl(const_cast<UnresolvedUsingTypenameDecl*>(D)) {} 2846ed97649e9574b9d854fa4d6109c9333ae0993554John McCall friend class ASTContext; // ASTContext creates these. 2847ed97649e9574b9d854fa4d6109c9333ae0993554John McCallpublic: 2848ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2849ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *getDecl() const { return Decl; } 2850ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2851ed97649e9574b9d854fa4d6109c9333ae0993554John McCall bool isSugared() const { return false; } 2852ed97649e9574b9d854fa4d6109c9333ae0993554John McCall QualType desugar() const { return QualType(this, 0); } 2853ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2854ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const Type *T) { 2855ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return T->getTypeClass() == UnresolvedUsing; 2856ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2857ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const UnresolvedUsingType *) { return true; } 2858ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2859ed97649e9574b9d854fa4d6109c9333ae0993554John McCall void Profile(llvm::FoldingSetNodeID &ID) { 2860ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Profile(ID, Decl); 2861ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2862ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static void Profile(llvm::FoldingSetNodeID &ID, 2863ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *D) { 2864ed97649e9574b9d854fa4d6109c9333ae0993554John McCall ID.AddPointer(D); 2865ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2866ed97649e9574b9d854fa4d6109c9333ae0993554John McCall}; 2867ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2868ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 28695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TypedefType : public Type { 2870162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypedefNameDecl *Decl; 2871c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanianprotected: 2872162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypedefType(TypeClass tc, const TypedefNameDecl *D, QualType can) 2873d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(tc, can, can->isDependentType(), can->isVariablyModifiedType(), 2874d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 2875162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Decl(const_cast<TypedefNameDecl*>(D)) { 28765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isa<TypedefType>(can) && "Invalid canonical type"); 28775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 28785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 28795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 28801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2881162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypedefNameDecl *getDecl() const { return Decl; } 28821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2883bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2884bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 2885bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 288672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == Typedef; } 28875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TypedefType *) { return true; } 28885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 28895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 289072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType (GCC extension). 289172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass TypeOfExprType : public Type { 2892d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *TOExpr; 28931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2894b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorprotected: 2895dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType(Expr *E, QualType can = QualType()); 2896d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 2897d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 2898d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *getUnderlyingExpr() const { return TOExpr; } 28991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2900bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2901bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 2902bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2903bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2904bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2905bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 290672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOfExpr; } 290772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const TypeOfExprType *) { return true; } 2908d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 2909d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 2910c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 29111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typeof(expr) types. 2912c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 2913c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 2914c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 2915c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via TypeOfExprType nodes. 29161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass DependentTypeOfExprType 2917b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : public TypeOfExprType, public llvm::FoldingSetNode { 29184ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 29191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2920b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorpublic: 29214ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentTypeOfExprType(const ASTContext &Context, Expr *E) 2922b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : TypeOfExprType(E), Context(Context) { } 29231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2924bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2925bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2926bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2927b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2928b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 2929b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 29301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29314ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 2932b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Expr *E); 2933b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor}; 29341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2935d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff/// TypeOfType (GCC extension). 2936d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffclass TypeOfType : public Type { 2937d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType TOType; 29381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TypeOfType(QualType T, QualType can) 2939d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(TypeOf, can, T->isDependentType(), T->isVariablyModifiedType(), 2940d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor T->containsUnexpandedParameterPack()), 294135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor TOType(T) { 2942d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff assert(!isa<TypedefType>(can) && "Invalid canonical type"); 2943d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff } 2944d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 2945d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 2946d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getUnderlyingType() const { return TOType; } 29471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2948bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2949bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 2950bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2951bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2952bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2953bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 295472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOf; } 2955d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff static bool classof(const TypeOfType *) { return true; } 2956d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 29575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2958395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType (C++0x) 2959395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonclass DecltypeType : public Type { 2960395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *E; 29611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2962563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // FIXME: We could get rid of UnderlyingType if we wanted to: We would have to 2963563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // Move getDesugaredType to ASTContext so that it can call getDecltypeForExpr 2964563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // from it. 2965563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType UnderlyingType; 29661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29679d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorprotected: 2968563a03b1338d31c2462def43253a722bc885d384Anders Carlsson DecltypeType(Expr *E, QualType underlyingType, QualType can = QualType()); 2969395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson friend class ASTContext; // ASTContext creates these. 2970395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonpublic: 2971395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *getUnderlyingExpr() const { return E; } 2972563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType getUnderlyingType() const { return UnderlyingType; } 2973563a03b1338d31c2462def43253a722bc885d384Anders Carlsson 2974bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2975bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 2976bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2977bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2978bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return !isDependentType(); } 2979bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2980395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const Type *T) { return T->getTypeClass() == Decltype; } 2981395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const DecltypeType *) { return true; } 2982395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson}; 29831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2984c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 2985c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// decltype(expr) types. 2986c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 2987c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 2988c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 2989c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via DecltypeType nodes. 29909d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorclass DependentDecltypeType : public DecltypeType, public llvm::FoldingSetNode { 29914ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 29921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29939d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorpublic: 29944ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentDecltypeType(const ASTContext &Context, Expr *E); 29951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2996bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2997bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2998bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 29999d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 30009d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 30019d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 30021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30034ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 30041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *E); 30059d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor}; 30061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3007ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt/// \brief A unary type transform, which is a type constructed from another 3008ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntclass UnaryTransformType : public Type { 3009ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntpublic: 3010ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt enum UTTKind { 3011ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt EnumUnderlyingType 3012ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt }; 3013ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3014ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntprivate: 3015ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt /// The untransformed type. 3016ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType BaseType; 3017ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt /// The transformed type if not dependent, otherwise the same as BaseType. 3018ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType UnderlyingType; 3019ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3020ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UTTKind UKind; 3021ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntprotected: 3022ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UnaryTransformType(QualType BaseTy, QualType UnderlyingTy, UTTKind UKind, 3023ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType CanonicalTy); 3024ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt friend class ASTContext; 3025ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntpublic: 3026ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt bool isSugared() const { return !isDependentType(); } 3027ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType desugar() const { return UnderlyingType; } 3028ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3029ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType getUnderlyingType() const { return UnderlyingType; } 3030ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType getBaseType() const { return BaseType; } 3031ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3032ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UTTKind getUTTKind() const { return UKind; } 3033ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3034ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt static bool classof(const Type *T) { 3035ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt return T->getTypeClass() == UnaryTransform; 3036ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt } 3037ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt static bool classof(const UnaryTransformType *) { return true; } 3038ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt}; 3039ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 30405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TagType : public Type { 3041ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// Stores the TagDecl associated with this type. The decl may point to any 3042ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// TagDecl that declares the entity. 3043ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl * decl; 30442ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 30452ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregorprotected: 304619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall TagType(TypeClass TC, const TagDecl *D, QualType can); 30472ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 30481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 3049ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl *getDecl() const; 30501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30510b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor /// @brief Determines whether this type is in the process of being 30521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// defined. 3053ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl bool isBeingDefined() const; 30540b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 30551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 305672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return T->getTypeClass() >= TagFirst && T->getTypeClass() <= TagLast; 305772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor } 30585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TagType *) { return true; } 305972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const RecordType *) { return true; } 306072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const EnumType *) { return true; } 30615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 30625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 30635edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// RecordType - This is a helper class that allows the use of isa/cast/dyncast 30645edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of structs/unions/classes. 30655edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass RecordType : public TagType { 306649aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidisprotected: 306719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit RecordType(const RecordDecl *D) 306819c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Record, reinterpret_cast<const TagDecl*>(D), QualType()) { } 306972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor explicit RecordType(TypeClass TC, RecordDecl *D) 307019c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(TC, reinterpret_cast<const TagDecl*>(D), QualType()) { } 30712ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 30725edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 30731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30745edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner RecordDecl *getDecl() const { 30755edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<RecordDecl*>(TagType::getDecl()); 30765edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 30771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // FIXME: This predicate is a helper to QualType/Type. It needs to 30795edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // recursively check all fields for const-ness. If any field is declared 30801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // const, it needs to return false. 30815edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner bool hasConstFields() const { return false; } 30825edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 3083bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3084bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3085bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 30862daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 30872daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 30882daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 30892daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 30905edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const RecordType *) { return true; } 30915edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 30925edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 30935edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// EnumType - This is a helper class that allows the use of isa/cast/dyncast 30945edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of enums. 30955edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass EnumType : public TagType { 309619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit EnumType(const EnumDecl *D) 309719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Enum, reinterpret_cast<const TagDecl*>(D), QualType()) { } 30982ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 30995edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 31001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31015edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner EnumDecl *getDecl() const { 31025edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<EnumDecl*>(TagType::getDecl()); 31035edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 31041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3105bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3106bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3107bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 31082daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 31092daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 31102daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 31112daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 31125edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const EnumType *) { return true; } 31135edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 31145edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 31159d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// AttributedType - An attributed type is a type to which a type 31169d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// attribute has been applied. The "modified type" is the 31179d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// fully-sugared type to which the attributed type was applied; 31189d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// generally it is not canonically equivalent to the attributed type. 31199d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// The "equivalent type" is the minimally-desugared type which the 31209d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// type is canonically equivalent to. 31219d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// 31229d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// For example, in the following attributed type: 31239d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// int32_t __attribute__((vector_size(16))) 31249d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// - the modified type is the TypedefType for int32_t 31259d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// - the equivalent type is VectorType(16, int32_t) 31269d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// - the canonical type is VectorType(16, int) 31279d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallclass AttributedType : public Type, public llvm::FoldingSetNode { 31289d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallpublic: 31299d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // It is really silly to have yet another attribute-kind enum, but 31309d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // clang::attr::Kind doesn't currently cover the pure type attrs. 31319d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall enum Kind { 31329d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // Expression operand. 3133170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_address_space, 3134170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_regparm, 3135170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_vector_size, 3136170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_neon_vector_type, 3137170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_neon_polyvector_type, 31389d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 3139170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet FirstExprOperandKind = attr_address_space, 3140170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet LastExprOperandKind = attr_neon_polyvector_type, 31419d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 31429d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // Enumerated operand (string or keyword). 3143170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_objc_gc, 3144f85e193739c953358c865005855253af4f68a497John McCall attr_objc_lifetime, 3145414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov attr_pcs, 31469d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 3147170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet FirstEnumOperandKind = attr_objc_gc, 3148414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov LastEnumOperandKind = attr_pcs, 31499d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 31509d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // No operand. 31513cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_noreturn, 31523cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_cdecl, 31533cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_fastcall, 31543cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_stdcall, 31553cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_thiscall, 31563cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_pascal 31579d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall }; 31589d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 31599d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallprivate: 31609d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType ModifiedType; 31619d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType EquivalentType; 31629d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 31639d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall friend class ASTContext; // creates these 31649d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 31659d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType(QualType canon, Kind attrKind, 31669d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType modified, QualType equivalent) 31679d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall : Type(Attributed, canon, canon->isDependentType(), 31689d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall canon->isVariablyModifiedType(), 31699d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall canon->containsUnexpandedParameterPack()), 31709d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ModifiedType(modified), EquivalentType(equivalent) { 31719d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedTypeBits.AttrKind = attrKind; 31729d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 31739d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 31749d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallpublic: 31759d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall Kind getAttrKind() const { 31769d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return static_cast<Kind>(AttributedTypeBits.AttrKind); 31779d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 31789d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 31799d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType getModifiedType() const { return ModifiedType; } 31809d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType getEquivalentType() const { return EquivalentType; } 31819d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 31829d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall bool isSugared() const { return true; } 31839d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType desugar() const { return getEquivalentType(); } 31849d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 31859d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 31869d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall Profile(ID, getAttrKind(), ModifiedType, EquivalentType); 31879d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 31889d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 31899d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, Kind attrKind, 31909d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType modified, QualType equivalent) { 31919d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ID.AddInteger(attrKind); 31929d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ID.AddPointer(modified.getAsOpaquePtr()); 31939d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ID.AddPointer(equivalent.getAsOpaquePtr()); 31949d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 31959d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 31969d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall static bool classof(const Type *T) { 31979d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return T->getTypeClass() == Attributed; 31989d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 31999d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall static bool classof(const AttributedType *T) { return true; } 32009d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall}; 32019d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 3202fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorclass TemplateTypeParmType : public Type, public llvm::FoldingSetNode { 32034fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth // Helper data collector for canonical types. 32044fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth struct CanonicalTTPTInfo { 32054fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned Depth : 15; 32064fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned ParameterPack : 1; 32074fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned Index : 16; 32084fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth }; 32094fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth 32104fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth union { 32114fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth // Info for the canonical type. 32124fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth CanonicalTTPTInfo CanTTPTInfo; 32134fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth // Info for the non-canonical type. 32144fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmDecl *TTPDecl; 32154fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth }; 321672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 32174fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth /// Build a non-canonical type. 32184fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmType(TemplateTypeParmDecl *TTPDecl, QualType Canon) 321935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(TemplateTypeParm, Canon, /*Dependent=*/true, 32204fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth /*VariablyModified=*/false, 32215d65e34b08b3e57a4da834195757d0d15baaffd0Chandler Carruth Canon->containsUnexpandedParameterPack()), 32224fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TTPDecl(TTPDecl) { } 322372c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 32244fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth /// Build the canonical type. 32251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType(unsigned D, unsigned I, bool PP) 322635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(TemplateTypeParm, QualType(this, 0), /*Dependent=*/true, 32274fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth /*VariablyModified=*/false, PP) { 32284fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth CanTTPTInfo.Depth = D; 32294fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth CanTTPTInfo.Index = I; 32304fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth CanTTPTInfo.ParameterPack = PP; 32314fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth } 323272c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 3233fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor friend class ASTContext; // ASTContext creates these 323472c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 32354fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth const CanonicalTTPTInfo& getCanTTPTInfo() const { 32364fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth QualType Can = getCanonicalTypeInternal(); 32375d65e34b08b3e57a4da834195757d0d15baaffd0Chandler Carruth return Can->castAs<TemplateTypeParmType>()->CanTTPTInfo; 32384fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth } 32394fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth 3240fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorpublic: 32414fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned getDepth() const { return getCanTTPTInfo().Depth; } 32424fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned getIndex() const { return getCanTTPTInfo().Index; } 32434fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth bool isParameterPack() const { return getCanTTPTInfo().ParameterPack; } 32444fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth 32454fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmDecl *getDecl() const { 32464fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth return isCanonicalUnqualified() ? 0 : TTPDecl; 32474fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth } 32484fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth 3249b7efff4bae117604f442bb6859c844f90b15f3ffChandler Carruth IdentifierInfo *getIdentifier() const; 32501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3251bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3252bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3253bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3254fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 32554fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth Profile(ID, getDepth(), getIndex(), isParameterPack(), getDecl()); 3256fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 3257fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 32581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, unsigned Depth, 32591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned Index, bool ParameterPack, 32604fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmDecl *TTPDecl) { 3261fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Depth); 3262fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Index); 326376e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson ID.AddBoolean(ParameterPack); 32644fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth ID.AddPointer(TTPDecl); 3265fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 3266fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 32671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 32681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateTypeParm; 326972c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor } 327072c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor static bool classof(const TemplateTypeParmType *T) { return true; } 327172c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor}; 3272fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 327349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Represents the result of substituting a type for a template 327449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type parameter. 327549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// 327649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// Within an instantiated template, all template type parameters have 327749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// been replaced with these. They are used solely to record that a 327849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type was originally written as a template type parameter; 327949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// therefore they are never canonical. 328049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallclass SubstTemplateTypeParmType : public Type, public llvm::FoldingSetNode { 328149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall // The original type parameter. 328249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced; 328349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 328449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(const TemplateTypeParmType *Param, QualType Canon) 328535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(SubstTemplateTypeParm, Canon, Canon->isDependentType(), 3286d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Canon->isVariablyModifiedType(), 3287d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Canon->containsUnexpandedParameterPack()), 328849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Replaced(Param) { } 328949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 329049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall friend class ASTContext; 329149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 329249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallpublic: 329349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the template parameter that was substituted for. 329449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *getReplacedParameter() const { 329549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return Replaced; 329649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 329749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 329849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the type that was substituted for the template 329949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// parameter. 330049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType getReplacementType() const { 330149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getCanonicalTypeInternal(); 330249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 330349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 330449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall bool isSugared() const { return true; } 330549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType desugar() const { return getReplacementType(); } 330649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 330749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 330849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Profile(ID, getReplacedParameter(), getReplacementType()); 330949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 331049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, 331149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced, 331249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 331349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replaced); 331449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replacement.getAsOpaquePtr()); 331549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 331649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 331749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const Type *T) { 331849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return T->getTypeClass() == SubstTemplateTypeParm; 331949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 332049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const SubstTemplateTypeParmType *T) { return true; } 332149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall}; 332249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 3323c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// \brief Represents the result of substituting a set of types for a template 3324c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// type parameter pack. 3325c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// 3326c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// When a pack expansion in the source code contains multiple parameter packs 3327c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// and those parameter packs correspond to different levels of template 3328c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// parameter lists, this type node is used to represent a template type 3329c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// parameter pack from an outer level, which has already had its argument pack 3330c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// substituted but that still lives within a pack expansion that itself 3331c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// could not be instantiated. When actually performing a substitution into 3332c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// that pack expansion (e.g., when all template parameters have corresponding 3333c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// arguments), this type will be replaced with the \c SubstTemplateTypeParmType 3334c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// at the current pack substitution index. 3335c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregorclass SubstTemplateTypeParmPackType : public Type, public llvm::FoldingSetNode { 3336c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// \brief The original type parameter. 3337c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *Replaced; 3338c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3339c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// \brief A pointer to the set of template arguments that this 3340c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// parameter pack is instantiated with. 3341c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument *Arguments; 3342c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3343c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// \brief The number of template arguments in \c Arguments. 3344c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor unsigned NumArguments; 3345c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3346c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType(const TemplateTypeParmType *Param, 3347c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor QualType Canon, 3348c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument &ArgPack); 3349c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3350c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor friend class ASTContext; 3351c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3352c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregorpublic: 3353b7efff4bae117604f442bb6859c844f90b15f3ffChandler Carruth IdentifierInfo *getIdentifier() const { return Replaced->getIdentifier(); } 3354c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3355c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// Gets the template parameter that was substituted for. 3356c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *getReplacedParameter() const { 3357c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return Replaced; 3358c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 3359c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3360c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor bool isSugared() const { return false; } 3361c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor QualType desugar() const { return QualType(this, 0); } 3362c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3363c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor TemplateArgument getArgumentPack() const; 3364c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3365c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID); 3366c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, 3367c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *Replaced, 3368c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument &ArgPack); 3369c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3370c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor static bool classof(const Type *T) { 3371c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return T->getTypeClass() == SubstTemplateTypeParmPack; 3372c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 3373c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor static bool classof(const SubstTemplateTypeParmPackType *T) { return true; } 3374c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor}; 3375c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 337634b41d939a1328f484511c6002ba2456db879a29Richard Smith/// \brief Represents a C++0x auto type. 337734b41d939a1328f484511c6002ba2456db879a29Richard Smith/// 337834b41d939a1328f484511c6002ba2456db879a29Richard Smith/// These types are usually a placeholder for a deduced type. However, within 337934b41d939a1328f484511c6002ba2456db879a29Richard Smith/// templates and before the initializer is attached, there is no deduced type 338034b41d939a1328f484511c6002ba2456db879a29Richard Smith/// and an auto type is type-dependent and canonical. 338134b41d939a1328f484511c6002ba2456db879a29Richard Smithclass AutoType : public Type, public llvm::FoldingSetNode { 338234b41d939a1328f484511c6002ba2456db879a29Richard Smith AutoType(QualType DeducedType) 338334b41d939a1328f484511c6002ba2456db879a29Richard Smith : Type(Auto, DeducedType.isNull() ? QualType(this, 0) : DeducedType, 338434b41d939a1328f484511c6002ba2456db879a29Richard Smith /*Dependent=*/DeducedType.isNull(), 338534b41d939a1328f484511c6002ba2456db879a29Richard Smith /*VariablyModified=*/false, /*ContainsParameterPack=*/false) { 338634b41d939a1328f484511c6002ba2456db879a29Richard Smith assert((DeducedType.isNull() || !DeducedType->isDependentType()) && 338734b41d939a1328f484511c6002ba2456db879a29Richard Smith "deduced a dependent type for auto"); 338834b41d939a1328f484511c6002ba2456db879a29Richard Smith } 338934b41d939a1328f484511c6002ba2456db879a29Richard Smith 339034b41d939a1328f484511c6002ba2456db879a29Richard Smith friend class ASTContext; // ASTContext creates these 339134b41d939a1328f484511c6002ba2456db879a29Richard Smith 339234b41d939a1328f484511c6002ba2456db879a29Richard Smithpublic: 339334b41d939a1328f484511c6002ba2456db879a29Richard Smith bool isSugared() const { return isDeduced(); } 339434b41d939a1328f484511c6002ba2456db879a29Richard Smith QualType desugar() const { return getCanonicalTypeInternal(); } 339534b41d939a1328f484511c6002ba2456db879a29Richard Smith 339634b41d939a1328f484511c6002ba2456db879a29Richard Smith QualType getDeducedType() const { 339734b41d939a1328f484511c6002ba2456db879a29Richard Smith return isDeduced() ? getCanonicalTypeInternal() : QualType(); 339834b41d939a1328f484511c6002ba2456db879a29Richard Smith } 339934b41d939a1328f484511c6002ba2456db879a29Richard Smith bool isDeduced() const { 340034b41d939a1328f484511c6002ba2456db879a29Richard Smith return !isDependentType(); 340134b41d939a1328f484511c6002ba2456db879a29Richard Smith } 340234b41d939a1328f484511c6002ba2456db879a29Richard Smith 340334b41d939a1328f484511c6002ba2456db879a29Richard Smith void Profile(llvm::FoldingSetNodeID &ID) { 340434b41d939a1328f484511c6002ba2456db879a29Richard Smith Profile(ID, getDeducedType()); 340534b41d939a1328f484511c6002ba2456db879a29Richard Smith } 340634b41d939a1328f484511c6002ba2456db879a29Richard Smith 340734b41d939a1328f484511c6002ba2456db879a29Richard Smith static void Profile(llvm::FoldingSetNodeID &ID, 340834b41d939a1328f484511c6002ba2456db879a29Richard Smith QualType Deduced) { 340934b41d939a1328f484511c6002ba2456db879a29Richard Smith ID.AddPointer(Deduced.getAsOpaquePtr()); 341034b41d939a1328f484511c6002ba2456db879a29Richard Smith } 341134b41d939a1328f484511c6002ba2456db879a29Richard Smith 341234b41d939a1328f484511c6002ba2456db879a29Richard Smith static bool classof(const Type *T) { 341334b41d939a1328f484511c6002ba2456db879a29Richard Smith return T->getTypeClass() == Auto; 341434b41d939a1328f484511c6002ba2456db879a29Richard Smith } 341534b41d939a1328f484511c6002ba2456db879a29Richard Smith static bool classof(const AutoType *T) { return true; } 341634b41d939a1328f484511c6002ba2456db879a29Richard Smith}; 341734b41d939a1328f484511c6002ba2456db879a29Richard Smith 34187532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Represents the type of a template specialization as written 34197532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// in the source code. 342055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// 34217532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// Template specialization types represent the syntactic form of a 34227532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template-id that refers to a type, e.g., @c vector<int>. Some 34237532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template specialization types are syntactic sugar, whose canonical 34247532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// type will point to some other type node that represents the 34257532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// instantiation or class template specialization. For example, a 342655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// class template specialization type of @c vector<int> will refer to 34271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// a tag type for the instantiation 342855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// @c std::vector<int, std::allocator<int>>. 34297532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// 34307532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// Other template specialization types, for which the template name 34317532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// is dependent, may be canonical types. These types are always 34327532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// dependent. 34333e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith/// 34343e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith/// An instance of this type is followed by an array of TemplateArgument*s, 34353e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith/// then, if the template specialization type is for a type alias template, 34363e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith/// a QualType representing the non-canonical aliased type. 34371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass TemplateSpecializationType 343855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor : public Type, public llvm::FoldingSetNode { 343933500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The name of the template being specialized. 34407532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Template; 344155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 344240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief - The number of template arguments named in this class 344340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// template specialization. 344455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned NumArgs; 344555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 3446ef99001908e799c388f1363b1e607dad5f5b57d3John McCall TemplateSpecializationType(TemplateName T, 34477532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 34483e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith unsigned NumArgs, QualType Canon, 34493e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Aliased); 345055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 345155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor friend class ASTContext; // ASTContext creates these 345255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 345355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregorpublic: 345440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Determine whether any of the given template arguments are 345540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// dependent. 345640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor static bool anyDependentTemplateArguments(const TemplateArgument *Args, 34571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned NumArgs); 345840808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 3459833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static bool anyDependentTemplateArguments(const TemplateArgumentLoc *Args, 3460833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs); 3461833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 3462d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static bool anyDependentTemplateArguments(const TemplateArgumentListInfo &); 3463d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 3464df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// \brief Print a template argument list, including the '<' and '>' 3465df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// enclosing the template arguments. 3466df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor static std::string PrintTemplateArgumentList(const TemplateArgument *Args, 3467d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned NumArgs, 3468dace95b13e2ceb0c3ec8de6babd926dc5114e1e5Douglas Gregor const PrintingPolicy &Policy, 3469dace95b13e2ceb0c3ec8de6babd926dc5114e1e5Douglas Gregor bool SkipBrackets = false); 3470df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor 3471833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static std::string PrintTemplateArgumentList(const TemplateArgumentLoc *Args, 3472833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs, 3473833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const PrintingPolicy &Policy); 3474833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 3475d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static std::string PrintTemplateArgumentList(const TemplateArgumentListInfo &, 3476d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const PrintingPolicy &Policy); 3477d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 347831f17ecbef57b5679c017c375db330546b7b5145John McCall /// True if this template specialization type matches a current 347931f17ecbef57b5679c017c375db330546b7b5145John McCall /// instantiation in the context in which it is found. 348031f17ecbef57b5679c017c375db330546b7b5145John McCall bool isCurrentInstantiation() const { 348171d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall return isa<InjectedClassNameType>(getCanonicalTypeInternal()); 348231f17ecbef57b5679c017c375db330546b7b5145John McCall } 348331f17ecbef57b5679c017c375db330546b7b5145John McCall 34843e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith /// True if this template specialization type is for a type alias 34853e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith /// template. 34863e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith bool isTypeAlias() const; 34873e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith /// Get the aliased type, if this is a specialization of a type alias 34883e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith /// template. 34893e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType getAliasedType() const { 34903e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith assert(isTypeAlias() && "not a type alias template specialization"); 34913e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return *reinterpret_cast<const QualType*>(end()); 34923e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 34933e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 349440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor typedef const TemplateArgument * iterator; 349540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 349640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor iterator begin() const { return getArgs(); } 349733500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // defined inline in TemplateBase.h 349840808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 34997532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor /// \brief Retrieve the name of the template that we are specializing. 35007532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName getTemplateName() const { return Template; } 350155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 350240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the template arguments. 35031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const TemplateArgument *getArgs() const { 350440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor return reinterpret_cast<const TemplateArgument *>(this + 1); 350540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor } 350640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 350740808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the number of template arguments. 350855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned getNumArgs() const { return NumArgs; } 350955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 351055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \brief Retrieve a specific template argument as a type. 351155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \precondition @c isArgType(Arg) 351233500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 351355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 351431f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { 35153e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return !isDependentType() || isCurrentInstantiation() || isTypeAlias(); 351631f17ecbef57b5679c017c375db330546b7b5145John McCall } 3517bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getCanonicalTypeInternal(); } 3518bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 35194ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Ctx) { 352071d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall Profile(ID, Template, getArgs(), NumArgs, Ctx); 35213e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (isTypeAlias()) 35223e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith getAliasedType().Profile(ID); 352355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 352455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 35257532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, TemplateName T, 352631f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateArgument *Args, 352731f17ecbef57b5679c017c375db330546b7b5145John McCall unsigned NumArgs, 35284ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context); 352955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 35301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 35311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateSpecialization; 353255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 35337532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static bool classof(const TemplateSpecializationType *T) { return true; } 353455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor}; 353555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 353631f17ecbef57b5679c017c375db330546b7b5145John McCall/// \brief The injected class name of a C++ class template or class 353731f17ecbef57b5679c017c375db330546b7b5145John McCall/// template partial specialization. Used to record that a type was 353831f17ecbef57b5679c017c375db330546b7b5145John McCall/// spelled with a bare identifier rather than as a template-id; the 353931f17ecbef57b5679c017c375db330546b7b5145John McCall/// equivalent for non-templated classes is just RecordType. 35403cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 354131f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always dependent. Template 354231f17ecbef57b5679c017c375db330546b7b5145John McCall/// instantiation turns these into RecordTypes. 35433cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 354431f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always canonical. This works 354531f17ecbef57b5679c017c375db330546b7b5145John McCall/// because it is impossible to compare an injected class name type 354631f17ecbef57b5679c017c375db330546b7b5145John McCall/// with the corresponding non-injected template type, for the same 354731f17ecbef57b5679c017c375db330546b7b5145John McCall/// reason that it is impossible to directly compare template 354831f17ecbef57b5679c017c375db330546b7b5145John McCall/// parameters from different dependent contexts: injected class name 354931f17ecbef57b5679c017c375db330546b7b5145John McCall/// types can only occur within the scope of a particular templated 355031f17ecbef57b5679c017c375db330546b7b5145John McCall/// declaration, and within that scope every template specialization 355131f17ecbef57b5679c017c375db330546b7b5145John McCall/// will canonicalize to the injected class name (when appropriate 355231f17ecbef57b5679c017c375db330546b7b5145John McCall/// according to the rules of the language). 35533cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallclass InjectedClassNameType : public Type { 35543cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall CXXRecordDecl *Decl; 35553cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 355631f17ecbef57b5679c017c375db330546b7b5145John McCall /// The template specialization which this type represents. 355731f17ecbef57b5679c017c375db330546b7b5145John McCall /// For example, in 355831f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class T> class A { ... }; 355931f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<T>, whereas in 356031f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class X, class Y> class A<B<X,Y> > { ... }; 356131f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<B<X,Y> >. 356231f17ecbef57b5679c017c375db330546b7b5145John McCall /// 356331f17ecbef57b5679c017c375db330546b7b5145John McCall /// It is always unqualified, always a template specialization type, 356431f17ecbef57b5679c017c375db330546b7b5145John McCall /// and always dependent. 356531f17ecbef57b5679c017c375db330546b7b5145John McCall QualType InjectedType; 35663cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 35673cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall friend class ASTContext; // ASTContext creates these. 3568c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; // FIXME: ASTContext::getInjectedClassNameType is not 3569c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl // currently suitable for AST reading, too much 357043921b53b582145f0d1b7c48223bd4d9f0a9d1beArgyrios Kyrtzidis // interdependencies. 357131f17ecbef57b5679c017c375db330546b7b5145John McCall InjectedClassNameType(CXXRecordDecl *D, QualType TST) 357235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(InjectedClassName, QualType(), /*Dependent=*/true, 3573d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, 3574d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 357531f17ecbef57b5679c017c375db330546b7b5145John McCall Decl(D), InjectedType(TST) { 35763cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<TemplateSpecializationType>(TST)); 35773cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(!TST.hasQualifiers()); 357831f17ecbef57b5679c017c375db330546b7b5145John McCall assert(TST->isDependentType()); 35793cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 35803cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 35813cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallpublic: 358231f17ecbef57b5679c017c375db330546b7b5145John McCall QualType getInjectedSpecializationType() const { return InjectedType; } 358331f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateSpecializationType *getInjectedTST() const { 358431f17ecbef57b5679c017c375db330546b7b5145John McCall return cast<TemplateSpecializationType>(InjectedType.getTypePtr()); 35853cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 35863cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 3587ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl CXXRecordDecl *getDecl() const; 35883cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 358931f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { return false; } 359031f17ecbef57b5679c017c375db330546b7b5145John McCall QualType desugar() const { return QualType(this, 0); } 35913cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 35923cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const Type *T) { 35933cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return T->getTypeClass() == InjectedClassName; 35943cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 35953cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const InjectedClassNameType *T) { return true; } 35963cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall}; 35973cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 3598465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief The kind of a tag type. 3599465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraenum TagTypeKind { 3600465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "struct" keyword. 3601465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Struct, 3602465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "union" keyword. 3603465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Union, 3604465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword. 3605465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Class, 3606465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "enum" keyword. 3607465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Enum 3608465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 3609465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 36104a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief The elaboration keyword that precedes a qualified type name or 36114a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// introduces an elaborated-type-specifier. 36124a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregorenum ElaboratedTypeKeyword { 36134a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "struct" keyword introduces the elaborated-type-specifier. 36144a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Struct, 36154a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "union" keyword introduces the elaborated-type-specifier. 36164a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Union, 3617465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword introduces the elaborated-type-specifier. 3618465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Class, 36194a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "enum" keyword introduces the elaborated-type-specifier. 3620465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Enum, 3621465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "typename" keyword precedes the qualified type name, e.g., 3622465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \c typename T::type. 3623465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Typename, 3624465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief No keyword precedes the qualified type name. 3625465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_None 36264a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor}; 3627465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3628465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// A helper class for Type nodes having an ElaboratedTypeKeyword. 3629465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The keyword in stored in the free bits of the base class. 3630465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// Also provides a few static helpers for converting and printing 3631465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// elaborated type keyword and tag type kind enumerations. 3632465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass TypeWithKeyword : public Type { 3633465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraprotected: 3634465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TypeWithKeyword(ElaboratedTypeKeyword Keyword, TypeClass tc, 3635d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor QualType Canonical, bool Dependent, bool VariablyModified, 3636d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool ContainsUnexpandedParameterPack) 3637d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(tc, Canonical, Dependent, VariablyModified, 3638d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ContainsUnexpandedParameterPack) { 363977be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall TypeWithKeywordBits.Keyword = Keyword; 364077be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall } 3641465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3642465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnarapublic: 3643465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypeKeyword getKeyword() const { 364477be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall return static_cast<ElaboratedTypeKeyword>(TypeWithKeywordBits.Keyword); 3645465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 3646465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3647465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTypeSpec - Converts a type specifier (DeclSpec::TST) 3648465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into an elaborated type keyword. 3649465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTypeSpec(unsigned TypeSpec); 3650465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3651465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForTypeSpec - Converts a type specifier (DeclSpec::TST) 3652465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into a tag type kind. It is an error to provide a type specifier 3653465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 3654465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForTypeSpec(unsigned TypeSpec); 3655465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3656465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTagDeclKind - Converts a TagTypeKind into an 3657465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// elaborated type keyword. 3658465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTagTypeKind(TagTypeKind Tag); 3659465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3660465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForKeyword - Converts an elaborated type keyword into 3661465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara // a TagTypeKind. It is an error to provide an elaborated type keyword 3662465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 3663465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForKeyword(ElaboratedTypeKeyword Keyword); 3664465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3665465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool KeywordIsTagTypeKind(ElaboratedTypeKeyword Keyword); 3666465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3667465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getKeywordName(ElaboratedTypeKeyword Keyword); 3668465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3669465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getTagTypeKindName(TagTypeKind Kind) { 3670465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getKeywordName(getKeywordForTagTypeKind(Kind)); 3671465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 3672465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3673465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara class CannotCastToThisType {}; 3674465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static CannotCastToThisType classof(const Type *); 3675465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 3676465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3677465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief Represents a type that was referred to using an elaborated type 3678465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// keyword, e.g., struct S, or via a qualified name, e.g., N::M::type, 3679465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// or both. 3680e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// 3681e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// This type is used to keep track of a type name as written in the 3682465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// source code, including tag keywords and any nested-name-specifiers. 3683465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The type itself is always "sugar", used to express what was written 3684465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// in the source code but containing no additional semantic information. 3685465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass ElaboratedType : public TypeWithKeyword, public llvm::FoldingSetNode { 3686465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3687ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The nested name specifier containing the qualifier. 3688ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *NNS; 3689e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3690e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief The type that this qualified name refers to. 3691e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType; 3692e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3693465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 3694465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType, QualType CanonType) 3695465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara : TypeWithKeyword(Keyword, Elaborated, CanonType, 369635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor NamedType->isDependentType(), 3697d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor NamedType->isVariablyModifiedType(), 3698d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor NamedType->containsUnexpandedParameterPack()), 3699465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), NamedType(NamedType) { 3700465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!(Keyword == ETK_None && NNS == 0) && 3701465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "ElaboratedType cannot have elaborated type keyword " 3702465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "and name qualifier both null."); 3703465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 3704e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3705e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor friend class ASTContext; // ASTContext creates these 3706e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3707e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregorpublic: 370833500955d731c73717af52088b7fc0e7a85681e7John McCall ~ElaboratedType(); 3709465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3710ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief Retrieve the qualification on this type. 3711ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 3712e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3713e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief Retrieve the type named by the qualified-id. 3714e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType getNamedType() const { return NamedType; } 3715e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3716bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 3717bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getNamedType(); } 3718bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3719bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 3720bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 3721bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3722e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 3723465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, NamedType); 3724e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 3725e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3726465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 3727465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, QualType NamedType) { 3728465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ID.AddInteger(Keyword); 3729ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor ID.AddPointer(NNS); 3730ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NamedType.Profile(ID); 3731ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor } 3732e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 37331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 3734465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return T->getTypeClass() == Elaborated; 3735e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 3736465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool classof(const ElaboratedType *T) { return true; } 3737e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor}; 3738e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 37394a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief Represents a qualified type name for which the type name is 37404a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent. 3741d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor/// 37424a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// DependentNameType represents a class of dependent types that involve a 37434a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent nested-name-specifier (e.g., "T::") followed by a (dependent) 37444a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// name of a type. The DependentNameType may start with a "typename" (for a 37454a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// typename-specifier), "class", "struct", "union", or "enum" (for a 37464a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent elaborated-type-specifier), or nothing (in contexts where we 37474a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// know that we must be referring to a type, e.g., in a base class specifier). 3748465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass DependentNameType : public TypeWithKeyword, public llvm::FoldingSetNode { 3749465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3750d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The nested name specifier containing the qualifier. 3751d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *NNS; 3752d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3753d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The type that this typename specifier refers to. 375433500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 3755d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 37564a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 37574a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, QualType CanonType) 375835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : TypeWithKeyword(Keyword, DependentName, CanonType, /*Dependent=*/true, 3759d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, 3760d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor NNS->containsUnexpandedParameterPack()), 3761465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), Name(Name) { 37621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(NNS->isDependent() && 37634714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor "DependentNameType requires a dependent nested-name-specifier"); 3764d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3765d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3766d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor friend class ASTContext; // ASTContext creates these 3767d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3768d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregorpublic: 3769d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief Retrieve the qualification on this type. 3770d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 3771d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 37721734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// \brief Retrieve the type named by the typename specifier as an 37731734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// identifier. 37741734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// 37751734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// This routine will return a non-NULL identifier pointer when the 37761734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// form of the original typename was terminated by an identifier, 37771734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// e.g., "typename T::type". 37781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const IdentifierInfo *getIdentifier() const { 377933500955d731c73717af52088b7fc0e7a85681e7John McCall return Name; 37801734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 3781d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3782bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3783bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3784bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3785d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 3786465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, Name); 3787d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3788d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 37894a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 379033500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, const IdentifierInfo *Name) { 37914a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ID.AddInteger(Keyword); 3792d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor ID.AddPointer(NNS); 379333500955d731c73717af52088b7fc0e7a85681e7John McCall ID.AddPointer(Name); 3794d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3795d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 37961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 37974714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor return T->getTypeClass() == DependentName; 3798d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 37994714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor static bool classof(const DependentNameType *T) { return true; } 3800d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor}; 3801d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 380233500955d731c73717af52088b7fc0e7a85681e7John McCall/// DependentTemplateSpecializationType - Represents a template 380333500955d731c73717af52088b7fc0e7a85681e7John McCall/// specialization type whose template cannot be resolved, e.g. 380433500955d731c73717af52088b7fc0e7a85681e7John McCall/// A<T>::template B<T> 380533500955d731c73717af52088b7fc0e7a85681e7John McCallclass DependentTemplateSpecializationType : 380633500955d731c73717af52088b7fc0e7a85681e7John McCall public TypeWithKeyword, public llvm::FoldingSetNode { 380733500955d731c73717af52088b7fc0e7a85681e7John McCall 380833500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The nested name specifier containing the qualifier. 380933500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS; 381033500955d731c73717af52088b7fc0e7a85681e7John McCall 381133500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The identifier of the template. 381233500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 381333500955d731c73717af52088b7fc0e7a85681e7John McCall 381433500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief - The number of template arguments named in this class 381533500955d731c73717af52088b7fc0e7a85681e7John McCall /// template specialization. 381633500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs; 381733500955d731c73717af52088b7fc0e7a85681e7John McCall 381833500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgBuffer() const { 381933500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<const TemplateArgument*>(this+1); 382033500955d731c73717af52088b7fc0e7a85681e7John McCall } 382133500955d731c73717af52088b7fc0e7a85681e7John McCall TemplateArgument *getArgBuffer() { 382233500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<TemplateArgument*>(this+1); 382333500955d731c73717af52088b7fc0e7a85681e7John McCall } 382433500955d731c73717af52088b7fc0e7a85681e7John McCall 3825ef99001908e799c388f1363b1e607dad5f5b57d3John McCall DependentTemplateSpecializationType(ElaboratedTypeKeyword Keyword, 382633500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 382733500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 382833500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 382933500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args, 383033500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon); 383133500955d731c73717af52088b7fc0e7a85681e7John McCall 383233500955d731c73717af52088b7fc0e7a85681e7John McCall friend class ASTContext; // ASTContext creates these 383333500955d731c73717af52088b7fc0e7a85681e7John McCall 383433500955d731c73717af52088b7fc0e7a85681e7John McCallpublic: 383533500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *getQualifier() const { return NNS; } 383633500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *getIdentifier() const { return Name; } 383733500955d731c73717af52088b7fc0e7a85681e7John McCall 383833500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the template arguments. 383933500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgs() const { 384033500955d731c73717af52088b7fc0e7a85681e7John McCall return getArgBuffer(); 384133500955d731c73717af52088b7fc0e7a85681e7John McCall } 384233500955d731c73717af52088b7fc0e7a85681e7John McCall 384333500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the number of template arguments. 384433500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned getNumArgs() const { return NumArgs; } 384533500955d731c73717af52088b7fc0e7a85681e7John McCall 384633500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 384733500955d731c73717af52088b7fc0e7a85681e7John McCall 384833500955d731c73717af52088b7fc0e7a85681e7John McCall typedef const TemplateArgument * iterator; 384933500955d731c73717af52088b7fc0e7a85681e7John McCall iterator begin() const { return getArgs(); } 385033500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // inline in TemplateBase.h 385133500955d731c73717af52088b7fc0e7a85681e7John McCall 385233500955d731c73717af52088b7fc0e7a85681e7John McCall bool isSugared() const { return false; } 385333500955d731c73717af52088b7fc0e7a85681e7John McCall QualType desugar() const { return QualType(this, 0); } 385433500955d731c73717af52088b7fc0e7a85681e7John McCall 38554ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context) { 385633500955d731c73717af52088b7fc0e7a85681e7John McCall Profile(ID, Context, getKeyword(), NNS, Name, NumArgs, getArgs()); 385733500955d731c73717af52088b7fc0e7a85681e7John McCall } 385833500955d731c73717af52088b7fc0e7a85681e7John McCall 385933500955d731c73717af52088b7fc0e7a85681e7John McCall static void Profile(llvm::FoldingSetNodeID &ID, 38604ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context, 386133500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 386233500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *Qualifier, 386333500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 386433500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 386533500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args); 386633500955d731c73717af52088b7fc0e7a85681e7John McCall 386733500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const Type *T) { 386833500955d731c73717af52088b7fc0e7a85681e7John McCall return T->getTypeClass() == DependentTemplateSpecialization; 386933500955d731c73717af52088b7fc0e7a85681e7John McCall } 387033500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const DependentTemplateSpecializationType *T) { 387133500955d731c73717af52088b7fc0e7a85681e7John McCall return true; 387233500955d731c73717af52088b7fc0e7a85681e7John McCall } 387333500955d731c73717af52088b7fc0e7a85681e7John McCall}; 387433500955d731c73717af52088b7fc0e7a85681e7John McCall 38757536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// \brief Represents a pack expansion of types. 38767536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 38777536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// Pack expansions are part of C++0x variadic templates. A pack 38787536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// expansion contains a pattern, which itself contains one or more 38797536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// "unexpanded" parameter packs. When instantiated, a pack expansion 38807536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// produces a series of types, each instantiated from the pattern of 38817536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// the expansion, where the Ith instantiation of the pattern uses the 38827536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// Ith arguments bound to each of the unexpanded parameter packs. The 38837536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// pack expansion is considered to "expand" these unexpanded 38847536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// parameter packs. 38857536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 38867536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// \code 38877536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// template<typename ...Types> struct tuple; 38887536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 38897536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// template<typename ...Types> 38907536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// struct tuple_of_references { 38917536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// typedef tuple<Types&...> type; 38927536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// }; 38937536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// \endcode 38947536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 38957536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// Here, the pack expansion \c Types&... is represented via a 38967536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// PackExpansionType whose pattern is Types&. 38977536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregorclass PackExpansionType : public Type, public llvm::FoldingSetNode { 38987536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// \brief The pattern of the pack expansion. 38997536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType Pattern; 39007536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 3901cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// \brief The number of expansions that this pack expansion will 3902cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// generate when substituted (+1), or indicates that 3903cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// 3904cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// This field will only have a non-zero value when some of the parameter 3905cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// packs that occur within the pattern have been substituted but others have 3906cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// not. 3907cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor unsigned NumExpansions; 3908cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor 3909cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor PackExpansionType(QualType Pattern, QualType Canon, 3910cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> NumExpansions) 39117536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor : Type(PackExpansion, Canon, /*Dependent=*/true, 39127536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /*VariableModified=*/Pattern->isVariablyModifiedType(), 39137536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 3914cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor Pattern(Pattern), 3915cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor NumExpansions(NumExpansions? *NumExpansions + 1: 0) { } 39167536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 39177536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor friend class ASTContext; // ASTContext creates these 3918cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor 39197536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregorpublic: 39207536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// \brief Retrieve the pattern of this pack expansion, which is the 39217536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// type that will be repeatedly instantiated when instantiating the 39227536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// pack expansion itself. 39237536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType getPattern() const { return Pattern; } 39247536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 3925cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// \brief Retrieve the number of expansions that this pack expansion will 3926cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// generate, if known. 3927cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> getNumExpansions() const { 3928cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor if (NumExpansions) 3929cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor return NumExpansions - 1; 3930cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor 3931cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor return llvm::Optional<unsigned>(); 3932cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor } 3933cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor 39347536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor bool isSugared() const { return false; } 39357536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType desugar() const { return QualType(this, 0); } 39367536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 39377536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 3938cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor Profile(ID, getPattern(), getNumExpansions()); 39397536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 39407536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 3941cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, QualType Pattern, 3942cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> NumExpansions) { 39437536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor ID.AddPointer(Pattern.getAsOpaquePtr()); 3944cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor ID.AddBoolean(NumExpansions); 3945cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor if (NumExpansions) 3946cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor ID.AddInteger(*NumExpansions); 39477536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 39487536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 39497536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor static bool classof(const Type *T) { 39507536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return T->getTypeClass() == PackExpansion; 39517536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 39527536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor static bool classof(const PackExpansionType *T) { 39537536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return true; 39547536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 39557536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor}; 39567536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 3957c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectType - Represents a class type in Objective C. 3958c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Every Objective C type is a combination of a base type and a 3959c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// list of protocols. 3960c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3961c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Given the following declarations: 3962c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @class C; 3963c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @protocol P; 3964c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3965c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C' is an ObjCInterfaceType C. It is sugar for an ObjCObjectType 3966c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// with base C and no protocols. 3967c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3968c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C<P>' is an ObjCObjectType with base C and protocol list [P]. 3969c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3970e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id' is a TypedefType which is sugar for an ObjCPointerType whose 3971e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// pointee is an ObjCObjectType with base BuiltinType::ObjCIdType 3972e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// and no protocols. 3973c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3974e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id<P>' is an ObjCPointerType whose pointee is an ObjCObjecType 3975e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// with base BuiltinType::ObjCIdType and protocol list [P]. Eventually 3976e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// this should get its own sugar class to better represent the source. 3977c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectType : public Type { 3978b870b88df784c2940efce448ebfaf54dece14666John McCall // ObjCObjectType.NumProtocols - the number of protocols stored 3979b870b88df784c2940efce448ebfaf54dece14666John McCall // after the ObjCObjectPointerType node. 398071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // 398171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // These protocols are those written directly on the type. If 398271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // protocol qualifiers ever become additive, the iterators will need 398371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // to get kindof complicated. 398471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // 398571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // In the canonical object type, these are sorted alphabetically 398671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // and uniqued. 3987c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 3988c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Either a BuiltinType or an InterfaceType or sugar for either. 3989c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType BaseType; 3990c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3991c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *getProtocolStorage() const { 3992c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return const_cast<ObjCObjectType*>(this)->getProtocolStorage(); 3993c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3994c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3995c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl **getProtocolStorage(); 3996c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3997c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallprotected: 3998c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(QualType Canonical, QualType Base, 3999c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, unsigned NumProtocols); 4000c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4001c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum Nonce_ObjCInterface { Nonce_ObjCInterface }; 4002c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(enum Nonce_ObjCInterface) 4003d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(ObjCInterface, QualType(), false, false, false), 400471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall BaseType(QualType(this_(), 0)) { 4005b870b88df784c2940efce448ebfaf54dece14666John McCall ObjCObjectTypeBits.NumProtocols = 0; 400671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 4007c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 40083536b443bc50d58a79f14fca9b6842541a434854Steve Naroffpublic: 4009e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getBaseType - Gets the base type of this object type. This is 4010e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// always (possibly sugar for) one of: 4011e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'id' builtin type (as opposed to the 'id' type visible to the 4012e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user, which is a typedef for an ObjCPointerType) 4013e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'Class' builtin type (same caveat) 4014e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - an ObjCObjectType (currently always an ObjCInterfaceType) 4015c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType getBaseType() const { return BaseType; } 401671842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek 4017c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCId() const { 4018c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCId); 4019c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4020c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCClass() const { 4021c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCClass); 4022c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4023c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedId() const { return qual_empty() && isObjCId(); } 4024c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedClass() const { return qual_empty() && isObjCClass(); } 4025c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedIdOrClass() const { 4026c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!qual_empty()) return false; 4027c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const BuiltinType *T = getBaseType()->getAs<BuiltinType>()) 4028c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getKind() == BuiltinType::ObjCId || 4029c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getKind() == BuiltinType::ObjCClass; 4030c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return false; 4031c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4032c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedId() const { return !qual_empty() && isObjCId(); } 4033c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedClass() const { return !qual_empty() && isObjCClass(); } 4034c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4035c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Gets the interface declaration for this object type, if the base type 4036c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// really is an interface. 4037c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *getInterface() const; 4038c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4039c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCProtocolDecl * const *qual_iterator; 4040c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4041c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_begin() const { return getProtocolStorage(); } 4042c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { return qual_begin() + getNumProtocols(); } 4043c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4044c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getNumProtocols() == 0; } 40451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4046c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// getNumProtocols - Return the number of qualifying protocols in this 4047c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// interface type, or 0 if there are none. 4048b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getNumProtocols() const { return ObjCObjectTypeBits.NumProtocols; } 404914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4050c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// \brief Fetch a protocol by index. 405173dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 405273dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor assert(I < getNumProtocols() && "Out-of-range protocol access"); 405373dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor return qual_begin()[I]; 405473dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 405573dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 4056bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 4057bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 4058bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 4059c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const Type *T) { 4060c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getTypeClass() == ObjCObject || 4061c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getTypeClass() == ObjCInterface; 4062c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4063c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const ObjCObjectType *) { return true; } 4064c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 4065c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4066c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectTypeImpl - A class providing a concrete implementation 4067c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// of ObjCObjectType, so as to not increase the footprint of 4068c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType. Code outside of ASTContext and the core type 4069c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// system should not reference this type. 4070c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectTypeImpl : public ObjCObjectType, public llvm::FoldingSetNode { 4071c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; 4072c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4073c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If anyone adds fields here, ObjCObjectType::getProtocolStorage() 4074c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // will need to be modified. 4075c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4076c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl(QualType Canonical, QualType Base, 4077c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 4078c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols) 4079c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Canonical, Base, Protocols, NumProtocols) {} 4080c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4081c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 4082c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff void Profile(llvm::FoldingSetNodeID &ID); 40831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, 4084c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Base, 4085c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl *const *protocols, 4086c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols); 4087c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 40881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4089c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCProtocolDecl **ObjCObjectType::getProtocolStorage() { 4090c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return reinterpret_cast<ObjCProtocolDecl**>( 4091c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static_cast<ObjCObjectTypeImpl*>(this) + 1); 4092c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 4093c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4094c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType - Interfaces are the core concept in Objective-C for 4095c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// object oriented design. They basically correspond to C++ classes. There 4096c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// are two kinds of interface types, normal interfaces like "NSString" and 4097c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// qualified interfaces, which are qualified with a protocol list like 4098c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// "NSString<NSCopyable, NSAmazing>". 4099e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 4100e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCInterfaceType guarantees the following properties when considered 4101e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// as a subtype of its superclass, ObjCObjectType: 4102e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - There are no protocol qualifiers. To reinforce this, code which 4103e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// tries to invoke the protocol methods via an ObjCInterfaceType will 4104e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// fail to compile. 4105e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - It is its own base type. That is, if T is an ObjCInterfaceType*, 4106e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// T->getBaseType() == QualType(T, 0). 4107c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCInterfaceType : public ObjCObjectType { 4108c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *Decl; 4109c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4110c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceType(const ObjCInterfaceDecl *D) 4111c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Nonce_ObjCInterface), 4112c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Decl(const_cast<ObjCInterfaceDecl*>(D)) {} 4113c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; // ASTContext creates these. 41141fb0caaa7bef765b85972274e3b434af2572c141John McCall 4115c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 4116e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getDecl - Get the declaration of this interface. 4117deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceDecl *getDecl() const { return Decl; } 4118c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4119c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isSugared() const { return false; } 4120c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType desugar() const { return QualType(this, 0); } 41210b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 41221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 41231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCInterface; 41243536b443bc50d58a79f14fca9b6842541a434854Steve Naroff } 4125a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCInterfaceType *) { return true; } 4126c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4127c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Nonsense to "hide" certain members of ObjCObjectType within this 4128c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // class. People asking for protocols on an ObjCInterfaceType are 4129c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // not going to get what they want: ObjCInterfaceTypes are 4130c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // guaranteed to have no protocols. 4131c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum { 4132c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator, 4133c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_begin, 4134c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_end, 4135c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getNumProtocols, 4136c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getProtocol 4137c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall }; 41383536b443bc50d58a79f14fca9b6842541a434854Steve Naroff}; 41393536b443bc50d58a79f14fca9b6842541a434854Steve Naroff 4140c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCInterfaceDecl *ObjCObjectType::getInterface() const { 4141c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCInterfaceType *T = 4142c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getBaseType()->getAs<ObjCInterfaceType>()) 4143c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getDecl(); 4144c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return 0; 4145c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 4146c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4147e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCObjectPointerType - Used to represent a pointer to an 4148e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Objective C object. These are constructed from pointer 4149e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// declarators when the pointee type is an ObjCObjectType (or sugar 4150e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for one). In addition, the 'id' and 'Class' types are typedefs 4151e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for these, and the protocol-qualified types 'id<P>' and 'Class<P>' 4152e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// are translated into these. 415314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff/// 4154e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Pointers to pointers to Objective C objects are still PointerTypes; 4155e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// only the first level of pointer gets it own type implementation. 415614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffclass ObjCObjectPointerType : public Type, public llvm::FoldingSetNode { 4157e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall QualType PointeeType; 41581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4159c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType(QualType Canonical, QualType Pointee) 4160d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(ObjCObjectPointer, Canonical, false, false, false), 4161c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall PointeeType(Pointee) {} 416214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff friend class ASTContext; // ASTContext creates these. 41631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 416414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffpublic: 4165e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getPointeeType - Gets the type pointed to by this ObjC pointer. 4166e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The result will always be an ObjCObjectType or sugar thereof. 416714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const { return PointeeType; } 416814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4169e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getObjCObjectType - Gets the type pointed to by this ObjC 4170e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// pointer. This method always returns non-null. 4171e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 4172e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// This method is equivalent to getPointeeType() except that 4173e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// it discards any typedefs (or other sugar) between this 4174e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type and the "outermost" object type. So for: 4175e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @class A; @protocol P; @protocol Q; 4176e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A<P> AP; 4177e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A A1; 4178e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1<P> A1P; 4179e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1P<Q> A1PQ; 4180e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A*', getObjectType() will return 'A'. 4181e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A<P>*', getObjectType() will return 'A<P>'. 4182e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'AP*', getObjectType() will return 'A<P>'. 4183e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1*', getObjectType() will return 'A'. 4184e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1<P>*', getObjectType() will return 'A1<P>'. 4185e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1P*', getObjectType() will return 'A1<P>'. 4186e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1PQ*', getObjectType() will return 'A1<Q>', because 4187e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// adding protocols to a protocol-qualified base discards the 4188e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// old qualifiers (for now). But if it didn't, getObjectType() 4189e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// would return 'A1P<Q>' (and we'd have to make iterating over 4190e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers more complicated). 4191c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getObjectType() const { 4192d0370f59e79702ac908c81bf556519f91e9ca297John McCall return PointeeType->castAs<ObjCObjectType>(); 4193c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4194c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4195e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceType - If this pointer points to an Objective C 4196e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @interface type, gets the type for that interface. Any protocol 4197e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers on the interface are ignored. 4198e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 4199e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 42001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCInterfaceType *getInterfaceType() const { 4201c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getBaseType()->getAs<ObjCInterfaceType>(); 420214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4203e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4204e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceDecl - If this pointer points to an Objective @interface 4205e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type, gets the declaration for that interface. 4206e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 4207e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 420814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ObjCInterfaceDecl *getInterfaceDecl() const { 4209e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall return getObjectType()->getInterface(); 421014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4211e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4212e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCIdType - True if this is equivalent to the 'id' type, i.e. if 4213e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// its object type is the primitive 'id' type with no protocols. 421414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const { 4215c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedId(); 421614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4217e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4218e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCClassType - True if this is equivalent to the 'Class' type, 4219e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// i.e. if its object tive is the primitive 'Class' type with no protocols. 422014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const { 4221c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedClass(); 4222de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 42238d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian 4224e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedIdType - True if this is equivalent to 'id<P>' for some 4225e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// non-empty set of protocols. 42261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isObjCQualifiedIdType() const { 4227c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedId(); 4228de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 4229e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4230e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedClassType - True if this is equivalent to 'Class<P>' for 4231e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// some non-empty set of protocols. 4232470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const { 4233c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedClass(); 423414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4235e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4236e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// An iterator over the qualifiers on the object type. Provided 4237e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// for convenience. This will always iterate over the full set of 4238e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// protocols on a type, not just those provided directly. 4239c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCObjectType::qual_iterator qual_iterator; 424014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 424171842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek qual_iterator qual_begin() const { 4242c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_begin(); 424371842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 4244c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { 4245c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_end(); 424671842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 4247c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getObjectType()->qual_empty(); } 424814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4249e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getNumProtocols - Return the number of qualifying protocols on 4250e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// the object type. 4251c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned getNumProtocols() const { 4252c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getNumProtocols(); 4253c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 425414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4255e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \brief Retrieve a qualifying protocol by index on the object 4256e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type. 425773dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 4258c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getProtocol(I); 425973dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 426073dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 4261bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 4262bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 4263bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 4264e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall void Profile(llvm::FoldingSetNodeID &ID) { 4265e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall Profile(ID, getPointeeType()); 4266e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall } 4267c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, QualType T) { 4268c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ID.AddPointer(T.getAsOpaquePtr()); 4269c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 42701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 42711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCObjectPointer; 427214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 427314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff static bool classof(const ObjCObjectPointerType *) { return true; } 427414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff}; 42751bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 42760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// A qualifier set is used to build a set of qualifiers. 42770953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualifierCollector : public Qualifiers { 42780953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 427949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualifierCollector(Qualifiers Qs = Qualifiers()) : Qualifiers(Qs) {} 42800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 42810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Collect any qualifiers on the given type and return an 42823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// unqualified type. The qualifiers are assumed to be consistent 42833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// with those already in the type. 42843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *strip(QualType type) { 42853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall addFastQualifiers(type.getLocalFastQualifiers()); 42863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!type.hasLocalNonFastQualifiers()) 42873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return type.getTypePtrUnsafe(); 42883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 42893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ExtQuals *extQuals = type.getExtQualsUnsafe(); 42903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall addConsistentQualifiers(extQuals->getQualifiers()); 42913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return extQuals->getBaseType(); 42920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 42930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 42940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 42954ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType apply(const ASTContext &Context, QualType QT) const; 42960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 42970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 42984ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType apply(const ASTContext &Context, const Type* T) const; 42990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 43000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 43010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4302611c1fff195d32df97706e0920c92468b2509900Chris Lattner// Inline function definitions. 43035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 43043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline const Type *QualType::getTypePtr() const { 43053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getCommonPtr()->BaseType; 43063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 43073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 43083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline const Type *QualType::getTypePtrOrNull() const { 43093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return (isNull() ? 0 : getCommonPtr()->BaseType); 43103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 43113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 43123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline SplitQualType QualType::split() const { 43133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!hasLocalNonFastQualifiers()) 43143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return SplitQualType(getTypePtrUnsafe(), 43153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers::fromFastMask(getLocalFastQualifiers())); 43163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 43173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ExtQuals *eq = getExtQualsUnsafe(); 43183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs = eq->getQualifiers(); 43193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall qs.addFastQualifiers(getLocalFastQualifiers()); 43203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return SplitQualType(eq->getBaseType(), qs); 43213b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 43223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 43233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline Qualifiers QualType::getLocalQualifiers() const { 43243b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers Quals; 43253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (hasLocalNonFastQualifiers()) 43263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals = getExtQualsUnsafe()->getQualifiers(); 43273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals.addFastQualifiers(getLocalFastQualifiers()); 43283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return Quals; 43293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 43303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 43313b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline Qualifiers QualType::getQualifiers() const { 43323b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers quals = getCommonPtr()->CanonicalType.getLocalQualifiers(); 43333b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall quals.addFastQualifiers(getLocalFastQualifiers()); 43343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return quals; 43353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 43363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 43373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline unsigned QualType::getCVRQualifiers() const { 43383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned cvr = getCommonPtr()->CanonicalType.getLocalCVRQualifiers(); 43393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall cvr |= getLocalCVRQualifiers(); 43403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return cvr; 43413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 43423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 43433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline QualType QualType::getCanonicalType() const { 43443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon = getCommonPtr()->CanonicalType; 43453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return canon.withFastQualifiers(getLocalFastQualifiers()); 43463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 43473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 4348467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCallinline bool QualType::isCanonical() const { 43493b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getTypePtr()->isCanonicalUnqualified(); 4350467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall} 4351467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 435254e14c4db764c0636160d26c5bbf491637c83a76John McCallinline bool QualType::isCanonicalAsParam() const { 43533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!isCanonical()) return false; 4354a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalQualifiers()) return false; 4355745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 435654e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *T = getTypePtr(); 43573b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (T->isVariablyModifiedType() && T->hasSizedVLAType()) 43583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return false; 43593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 43603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return !isa<FunctionType>(T) && !isa<ArrayType>(T); 436154e14c4db764c0636160d26c5bbf491637c83a76John McCall} 436254e14c4db764c0636160d26c5bbf491637c83a76John McCall 4363fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isConstQualified() const { 4364fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalConstQualified() || 43653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.isLocalConstQualified(); 4366fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4367fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4368fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isRestrictQualified() const { 4369fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalRestrictQualified() || 43703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.isLocalRestrictQualified(); 4371fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4372fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4373fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4374fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isVolatileQualified() const { 4375fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalVolatileQualified() || 43763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.isLocalVolatileQualified(); 4377fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4378fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4379fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::hasQualifiers() const { 4380fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return hasLocalQualifiers() || 43813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.hasLocalQualifiers(); 4382fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 438362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 438462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline QualType QualType::getUnqualifiedType() const { 438562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall if (!getTypePtr()->getCanonicalTypeInternal().hasLocalQualifiers()) 438662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(getTypePtr(), 0); 438762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 438862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(getSplitUnqualifiedTypeImpl(*this).first, 0); 438962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall} 439062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 439162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline SplitQualType QualType::getSplitUnqualifiedType() const { 439262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall if (!getTypePtr()->getCanonicalTypeInternal().hasLocalQualifiers()) 439362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return split(); 439462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 439562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getSplitUnqualifiedTypeImpl(*this); 4396fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4397fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 439849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalConst() { 439949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Const); 44000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 44010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 440249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalRestrict() { 440349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Restrict); 44040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 44050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 440649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalVolatile() { 440749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Volatile); 44080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 44090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 441049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalCVRQualifiers(unsigned Mask) { 44116b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall assert(!(Mask & ~Qualifiers::CVRMask) && "mask has non-CVR bits"); 4412c3c0af36bac3d71f61dd758585ab307892545de4Douglas Gregor assert((int)Qualifiers::CVRMask == (int)Qualifiers::FastMask); 44130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 44140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast path: we don't need to touch the slow qualifiers. 441549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Mask); 4416ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 4417ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 4418ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb/// getAddressSpace - Return the address space of this type. 4419ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lambinline unsigned QualType::getAddressSpace() const { 44203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getQualifiers().getAddressSpace(); 4421ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 4422611c1fff195d32df97706e0920c92468b2509900Chris Lattner 4423d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian/// getObjCGCAttr - Return the gc attribute of this type. 44240953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline Qualifiers::GC QualType::getObjCGCAttr() const { 44253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getQualifiers().getObjCGCAttr(); 4426d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 44272455636163fdd18581d7fdae816433f886d88213Mike Stump 4428264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(const Type &t) { 4429264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola if (const PointerType *PT = t.getAs<PointerType>()) { 4430183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const FunctionType *FT = PT->getPointeeType()->getAs<FunctionType>()) 4431264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 4432264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } else if (const FunctionType *FT = t.getAs<FunctionType>()) 4433264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 44342455636163fdd18581d7fdae816433f886d88213Mike Stump 4435264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FunctionType::ExtInfo(); 44362455636163fdd18581d7fdae816433f886d88213Mike Stump} 44371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4438264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(QualType t) { 4439264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getFunctionExtInfo(*t); 4440ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 4441ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 4442e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isMoreQualifiedThan - Determine whether this type is more 4443e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// qualified than the Other type. For example, "const volatile int" 4444e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// is more qualified than "const int", "volatile int", and 4445e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int". However, it is not more qualified than "const volatile 4446e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int". 444762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline bool QualType::isMoreQualifiedThan(QualType other) const { 444862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Qualifiers myQuals = getQualifiers(); 444962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Qualifiers otherQuals = other.getQualifiers(); 445062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return (myQuals != otherQuals && myQuals.compatiblyIncludes(otherQuals)); 4451e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 4452e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 4453e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isAtLeastAsQualifiedAs - Determine whether this type is at last 4454e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// as qualified as the Other type. For example, "const volatile 4455e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int" is at least as qualified as "const int", "volatile int", 4456e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int", and "const volatile int". 445762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline bool QualType::isAtLeastAsQualifiedAs(QualType other) const { 445862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getQualifiers().compatiblyIncludes(other.getQualifiers()); 4459e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 4460e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 4461e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// getNonReferenceType - If Type is a reference type (e.g., const 4462e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int&), returns the type that the reference refers to ("const 4463e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int"). Otherwise, returns the type itself. This routine is used 4464e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// throughout Sema to implement C++ 5p6: 4465e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 4466e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// If an expression initially has the type "reference to T" (8.3.2, 4467e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 8.5.3), the type is adjusted to "T" prior to any further 4468e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// analysis, the expression designates the object or function 4469e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// denoted by the reference, and the expression is an lvalue. 4470e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline QualType QualType::getNonReferenceType() const { 44716217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType *RefType = (*this)->getAs<ReferenceType>()) 4472e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return RefType->getPointeeType(); 4473e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor else 4474e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return *this; 4475e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 4476e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 4477aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// \brief Tests whether the type is categorized as a fundamental type. 4478aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// 4479aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// \returns True for types specified in C++0x [basic.fundamental]. 4480aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruthinline bool Type::isFundamentalType() const { 4481aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth return isVoidType() || 4482aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // FIXME: It's really annoying that we don't have an 4483aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // 'isArithmeticType()' which agrees with the standard definition. 4484aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth (isArithmeticType() && !isEnumeralType()); 4485aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth} 4486aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth 4487aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// \brief Tests whether the type is categorized as a compound type. 4488aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// 4489aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// \returns True for types specified in C++0x [basic.compound]. 4490aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruthinline bool Type::isCompoundType() const { 4491aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // C++0x [basic.compound]p1: 4492aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // Compound types can be constructed in the following ways: 4493aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- arrays of objects of a given type [...]; 4494aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth return isArrayType() || 4495aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- functions, which have parameters of given types [...]; 4496aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isFunctionType() || 4497aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- pointers to void or objects or functions [...]; 4498aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isPointerType() || 4499aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- references to objects or functions of a given type. [...] 4500aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isReferenceType() || 4501aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- classes containing a sequence of objects of various types, [...]; 4502aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isRecordType() || 4503aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- unions, which ar classes capable of containing objects of different types at different times; 4504aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isUnionType() || 4505aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- enumerations, which comprise a set of named constant values. [...]; 4506aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isEnumeralType() || 4507aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- pointers to non-static class members, [...]. 4508aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isMemberPointerType(); 4509aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth} 4510aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth 4511611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isFunctionType() const { 4512a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<FunctionType>(CanonicalType); 4513611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4514611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isPointerType() const { 4515a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<PointerType>(CanonicalType); 4516611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 451758f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroffinline bool Type::isAnyPointerType() const { 451858f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff return isPointerType() || isObjCObjectPointerType(); 451958f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff} 4520bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth 4521bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth/// \brief Tests whether the type behaves like a pointer type. 4522bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth/// 4523bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth/// This includes all of the pointer types including block pointers, 4524bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth/// member pointers, and ObjC Object pointers. 4525bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth/// 4526bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth/// Note that this is distinct from hasPointerRepresentation. 4527bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth/// 4528bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth/// \returns True for types which behave like pointer types. 4529bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruthinline bool Type::isPointerLikeType() const { 4530bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth return isAnyPointerType() || isBlockPointerType() || isMemberPointerType(); 4531bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth} 4532bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth 45335618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffinline bool Type::isBlockPointerType() const { 4534a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<BlockPointerType>(CanonicalType); 45355618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 4536bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattnerinline bool Type::isReferenceType() const { 4537a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ReferenceType>(CanonicalType); 4538bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner} 45397c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isLValueReferenceType() const { 4540a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<LValueReferenceType>(CanonicalType); 45417c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 45427c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isRValueReferenceType() const { 4543a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RValueReferenceType>(CanonicalType); 45447c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 4545498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenekinline bool Type::isFunctionPointerType() const { 4546d0370f59e79702ac908c81bf556519f91e9ca297John McCall if (const PointerType *T = getAs<PointerType>()) 4547498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return T->getPointeeType()->isFunctionType(); 4548498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek else 4549498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return false; 4550498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek} 4551f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberPointerType() const { 4552a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<MemberPointerType>(CanonicalType); 4553f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 4554f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberFunctionPointerType() const { 45556217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const MemberPointerType* T = getAs<MemberPointerType>()) 45560bab0cdab751248ca389a5592bcb70eac5d39260John McCall return T->isMemberFunctionPointer(); 4557f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl else 4558f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return false; 4559f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 4560db68e28c05a67735211e688009890cf834c22e75Douglas Gregorinline bool Type::isMemberDataPointerType() const { 4561db68e28c05a67735211e688009890cf834c22e75Douglas Gregor if (const MemberPointerType* T = getAs<MemberPointerType>()) 45620bab0cdab751248ca389a5592bcb70eac5d39260John McCall return T->isMemberDataPointer(); 4563db68e28c05a67735211e688009890cf834c22e75Douglas Gregor else 4564db68e28c05a67735211e688009890cf834c22e75Douglas Gregor return false; 4565db68e28c05a67735211e688009890cf834c22e75Douglas Gregor} 4566611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isArrayType() const { 4567a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ArrayType>(CanonicalType); 4568611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4569c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isConstantArrayType() const { 4570a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ConstantArrayType>(CanonicalType); 4571c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 4572c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isIncompleteArrayType() const { 4573a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<IncompleteArrayType>(CanonicalType); 4574c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 4575c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isVariableArrayType() const { 4576a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VariableArrayType>(CanonicalType); 4577c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 4578898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorinline bool Type::isDependentSizedArrayType() const { 4579a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<DependentSizedArrayType>(CanonicalType); 4580898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 45813ff83dd534ccc828203670ce3f5125a4eb4199f8John McCallinline bool Type::isBuiltinType() const { 45823ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall return isa<BuiltinType>(CanonicalType); 45833ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall} 4584611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isRecordType() const { 4585a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RecordType>(CanonicalType); 4586611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 45873ff83dd534ccc828203670ce3f5125a4eb4199f8John McCallinline bool Type::isEnumeralType() const { 45883ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall return isa<EnumType>(CanonicalType); 45893ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall} 4590f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattnerinline bool Type::isAnyComplexType() const { 4591a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ComplexType>(CanonicalType); 4592f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner} 4593611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isVectorType() const { 4594a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VectorType>(CanonicalType); 4595611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4596213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemaninline bool Type::isExtVectorType() const { 4597a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ExtVectorType>(CanonicalType); 4598611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4599d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroffinline bool Type::isObjCObjectPointerType() const { 4600a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ObjCObjectPointerType>(CanonicalType); 4601d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 4602c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline bool Type::isObjCObjectType() const { 4603c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isa<ObjCObjectType>(CanonicalType); 4604368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner} 4605569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorinline bool Type::isObjCObjectOrInterfaceType() const { 4606569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return isa<ObjCInterfaceType>(CanonicalType) || 4607569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor isa<ObjCObjectType>(CanonicalType); 4608569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 4609569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 4610a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekinline bool Type::isObjCQualifiedIdType() const { 4611183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 4612d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return OPT->isObjCQualifiedIdType(); 4613d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return false; 4614d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian} 4615470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroffinline bool Type::isObjCQualifiedClassType() const { 4616183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 4617470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return OPT->isObjCQualifiedClassType(); 4618470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return false; 4619470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff} 462014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCIdType() const { 4621183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 462214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCIdType(); 462314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 462414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 462514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCClassType() const { 4626183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 462714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCClassType(); 462814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 462914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 463013dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanianinline bool Type::isObjCSelType() const { 46318d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (const PointerType *OPT = getAs<PointerType>()) 46328d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return OPT->getPointeeType()->isSpecificBuiltinType(BuiltinType::ObjCSel); 463313dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return false; 463413dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian} 4635de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroffinline bool Type::isObjCBuiltinType() const { 463613dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return isObjCIdType() || isObjCClassType() || isObjCSelType(); 4637de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff} 463872c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregorinline bool Type::isTemplateTypeParmType() const { 4639a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<TemplateTypeParmType>(CanonicalType); 464072c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor} 464172c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 4642e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbarinline bool Type::isSpecificBuiltinType(unsigned K) const { 4643183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = getAs<BuiltinType>()) 4644e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar if (BT->getKind() == (BuiltinType::Kind) K) 4645e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return true; 4646e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return false; 4647e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar} 4648e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 46492a984cad5ac3fdceeff2bd99daa7b90979313475John McCallinline bool Type::isPlaceholderType() const { 46502a984cad5ac3fdceeff2bd99daa7b90979313475John McCall if (const BuiltinType *BT = getAs<BuiltinType>()) 46512a984cad5ac3fdceeff2bd99daa7b90979313475John McCall return BT->isPlaceholderType(); 46522a984cad5ac3fdceeff2bd99daa7b90979313475John McCall return false; 46532a984cad5ac3fdceeff2bd99daa7b90979313475John McCall} 46542a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 4655864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCallinline bool Type::isSpecificPlaceholderType(unsigned K) const { 4656864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall if (const BuiltinType *BT = dyn_cast<BuiltinType>(this)) 4657864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall return (BT->getKind() == (BuiltinType::Kind) K); 4658864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall return false; 4659864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall} 4660864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 4661063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// \brief Determines whether this is a type for which one can define 4662063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// an overloaded operator. 4663063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregorinline bool Type::isOverloadableType() const { 4664063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor return isDependentType() || isRecordType() || isEnumeralType(); 4665904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor} 4666904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor 4667bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth/// \brief Determines whether this type can decay to a pointer type. 4668bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruthinline bool Type::canDecayToPointerType() const { 4669bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth return isFunctionType() || isArrayType(); 4670bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth} 4671bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth 46728958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbarinline bool Type::hasPointerRepresentation() const { 46738958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar return (isPointerType() || isReferenceType() || isBlockPointerType() || 4674c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall isObjCObjectPointerType() || isNullPtrType()); 46758958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar} 46768958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 4677820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanianinline bool Type::hasObjCPointerRepresentation() const { 4678c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isObjCObjectPointerType(); 4679820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian} 4680820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 4681d0370f59e79702ac908c81bf556519f91e9ca297John McCallinline const Type *Type::getBaseElementTypeUnsafe() const { 4682d0370f59e79702ac908c81bf556519f91e9ca297John McCall const Type *type = this; 4683d0370f59e79702ac908c81bf556519f91e9ca297John McCall while (const ArrayType *arrayType = type->getAsArrayTypeUnsafe()) 4684d0370f59e79702ac908c81bf556519f91e9ca297John McCall type = arrayType->getElementType().getTypePtr(); 4685d0370f59e79702ac908c81bf556519f91e9ca297John McCall return type; 4686d0370f59e79702ac908c81bf556519f91e9ca297John McCall} 4687d0370f59e79702ac908c81bf556519f91e9ca297John McCall 468822caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// Insertion operator for diagnostics. This allows sending QualType's into a 468922caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// diagnostic with <<. 469022caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 469122caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner QualType T) { 469222caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner DB.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 469322caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner Diagnostic::ak_qualtype); 469422caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner return DB; 469522caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner} 46961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 469747c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// Insertion operator for partial diagnostics. This allows sending QualType's 469847c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// into a diagnostic with <<. 469947c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruthinline const PartialDiagnostic &operator<<(const PartialDiagnostic &PD, 470047c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth QualType T) { 470147c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth PD.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 470247c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth Diagnostic::ak_qualtype); 470347c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth return PD; 470447c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth} 470547c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth 470689c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// Helper class template that is used by Type::getAs to ensure that one does 470789c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// not try to look through a qualified type to get to an array type. 470889c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T, 470989c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor bool isArrayType = (llvm::is_same<T, ArrayType>::value || 471089c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor llvm::is_base_of<ArrayType, T>::value)> 471189c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs { }; 471289c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 471389c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T> 471489c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs<T, true>; 471589c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 47161a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek/// Member-template getAs<specific type>'. 47171a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenektemplate <typename T> const T *Type::getAs() const { 471889c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor ArrayType_cannot_be_used_with_getAs<T> at; 471989c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor (void)at; 472089c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 47211a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If this is directly a T type, return it. 47221a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek if (const T *Ty = dyn_cast<T>(this)) 47231a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return Ty; 47241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47251a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If the canonical form of this type isn't the right kind, reject it. 47260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<T>(CanonicalType)) 47271a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return 0; 47281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this is a typedef for the type, strip the typedef off without 47301a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // losing all typedef information. 4731bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return cast<T>(getUnqualifiedDesugaredType()); 47321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump} 473322caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner 47343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline const ArrayType *Type::getAsArrayTypeUnsafe() const { 47353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If this is directly an array type, return it. 47363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (const ArrayType *arr = dyn_cast<ArrayType>(this)) 47373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return arr; 47383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 47393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the canonical form of this type isn't the right kind, reject it. 47403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!isa<ArrayType>(CanonicalType)) 47413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return 0; 47423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 47433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If this is a typedef for the type, strip the typedef off without 47443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // losing all typedef information. 47453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return cast<ArrayType>(getUnqualifiedDesugaredType()); 47463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 47473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 4748d0370f59e79702ac908c81bf556519f91e9ca297John McCalltemplate <typename T> const T *Type::castAs() const { 4749d0370f59e79702ac908c81bf556519f91e9ca297John McCall ArrayType_cannot_be_used_with_getAs<T> at; 4750d0370f59e79702ac908c81bf556519f91e9ca297John McCall (void) at; 4751d0370f59e79702ac908c81bf556519f91e9ca297John McCall 4752d0370f59e79702ac908c81bf556519f91e9ca297John McCall assert(isa<T>(CanonicalType)); 4753d0370f59e79702ac908c81bf556519f91e9ca297John McCall if (const T *ty = dyn_cast<T>(this)) return ty; 4754d0370f59e79702ac908c81bf556519f91e9ca297John McCall return cast<T>(getUnqualifiedDesugaredType()); 4755d0370f59e79702ac908c81bf556519f91e9ca297John McCall} 4756d0370f59e79702ac908c81bf556519f91e9ca297John McCall 4757d0370f59e79702ac908c81bf556519f91e9ca297John McCallinline const ArrayType *Type::castAsArrayTypeUnsafe() const { 4758d0370f59e79702ac908c81bf556519f91e9ca297John McCall assert(isa<ArrayType>(CanonicalType)); 4759d0370f59e79702ac908c81bf556519f91e9ca297John McCall if (const ArrayType *arr = dyn_cast<ArrayType>(this)) return arr; 4760d0370f59e79702ac908c81bf556519f91e9ca297John McCall return cast<ArrayType>(getUnqualifiedDesugaredType()); 4761d0370f59e79702ac908c81bf556519f91e9ca297John McCall} 4762d0370f59e79702ac908c81bf556519f91e9ca297John McCall 47635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 47645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 47655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 4766