Type.h revision e6f18c3e6a28229b5871007858b8c30882494b09
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 17d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer#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" 21d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer#include "clang/Basic/PartialDiagnostic.h" 221fb0caaa7bef765b85972274e3b434af2572c141John McCall#include "clang/Basic/Visibility.h" 23e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor#include "clang/AST/NestedNameSpecifier.h" 247532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor#include "clang/AST/TemplateName.h" 2550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor#include "llvm/Support/type_traits.h" 269fe8c74a93ac8e92512615c5f83e7a328b3b0544David Blaikie#include "llvm/Support/ErrorHandling.h" 27fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff#include "llvm/ADT/APSInt.h" 285cf243a883872441d73ca49cea7e20de5802629bChris Lattner#include "llvm/ADT/FoldingSet.h" 29cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor#include "llvm/ADT/Optional.h" 305cf243a883872441d73ca49cea7e20de5802629bChris Lattner#include "llvm/ADT/PointerIntPair.h" 311734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor#include "llvm/ADT/PointerUnion.h" 327ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis#include "llvm/ADT/Twine.h" 339594675cc1eb52a054de13c4a21e466643847480Chris Lattner#include "clang/Basic/LLVM.h" 347532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 356b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCallnamespace clang { 366b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { 37f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor TypeAlignmentInBits = 4, 386b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment = 1 << TypeAlignmentInBits 396b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall }; 40aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class Type; 41aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class ExtQuals; 42aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class QualType; 436b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall} 445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 454e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnernamespace llvm { 464e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner template <typename T> 47daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattner class PointerLikeTypeTraits; 48bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner template<> 49bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner class PointerLikeTypeTraits< ::clang::Type*> { 50bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner public: 51bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner static inline void *getAsVoidPointer(::clang::Type *P) { return P; } 52bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner static inline ::clang::Type *getFromVoidPointer(void *P) { 53bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner return static_cast< ::clang::Type*>(P); 54bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner } 556b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { NumLowBitsAvailable = clang::TypeAlignmentInBits }; 56bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner }; 570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall template<> 580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall class PointerLikeTypeTraits< ::clang::ExtQuals*> { 590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall public: 600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static inline void *getAsVoidPointer(::clang::ExtQuals *P) { return P; } 610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static inline ::clang::ExtQuals *getFromVoidPointer(void *P) { 620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return static_cast< ::clang::ExtQuals*>(P); 630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 646b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { NumLowBitsAvailable = clang::TypeAlignmentInBits }; 650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall }; 66aed1df80bf64228e1429c1edc408397f9174847cChris Lattner 67aed1df80bf64228e1429c1edc408397f9174847cChris Lattner template <> 68aed1df80bf64228e1429c1edc408397f9174847cChris Lattner struct isPodLike<clang::QualType> { static const bool value = true; }; 694e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner} 704e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner 715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class ASTContext; 73162e1c1b487352434552147967c3dd296ebee2f7Richard Smith class TypedefNameDecl; 7455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor class TemplateDecl; 7572c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor class TemplateTypeParmDecl; 76aaba5e346dffdbad5d1c42765a89e4a7afb0da67Douglas Gregor class NonTypeTemplateParmDecl; 777532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor class TemplateTemplateParmDecl; 785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TagDecl; 795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class RecordDecl; 8049aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis class CXXRecordDecl; 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class EnumDecl; 8221d50e12c3c412d8457071dc419363b7a7e8b855Ted Kremenek class FieldDecl; 83e6975e9b0985ad7f7ff9187e38d95bfe9ac4181bRichard Smith class FunctionDecl; 84a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCInterfaceDecl; 85a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCProtocolDecl; 86a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCMethodDecl; 87ed97649e9574b9d854fa4d6109c9333ae0993554John McCall class UnresolvedUsingTypenameDecl; 885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 89b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek class Stmt; 905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class SourceLocation; 9192866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek class StmtIteratorBase; 9240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor class TemplateArgument; 93833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall class TemplateArgumentLoc; 94d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall class TemplateArgumentListInfo; 95465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara class ElaboratedType; 963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall class ExtQuals; 973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall class ExtQualsTypeCommonBase; 983b4ea54acf01f72f6eb74d96689dda86d950228fDaniel Dunbar struct PrintingPolicy; 9972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 100ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie template <typename> class CanQual; 101ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall typedef CanQual<Type> CanQualType; 102ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall 10372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // Provide forward declarations for all of the *Type classes 10472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) class Class##Type; 10572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 106f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// Qualifiers - The collection of all-type qualifiers we support. 1080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// Clang supports five independent qualifiers: 1090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * C99: const, volatile, and restrict 1100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * Embedded C (TR18037): address spaces 1110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * Objective C: the GC attributes (none, weak, or strong) 1120953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass Qualifiers { 1135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum TQ { // NOTE: These flags must be kept in sync with DeclSpec::TQ. 1155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Const = 0x1, 1165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Restrict = 0x2, 1175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Volatile = 0x4, 1180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CVRMask = Const | Volatile | Restrict 1195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 1201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum GC { 122d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian GCNone = 0, 123d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian Weak, 124d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian Strong 125d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian }; 126efadb7768e7c7418185f5a4010ecd8b21ca9731bJohn McCall 127f85e193739c953358c865005855253af4f68a497John McCall enum ObjCLifetime { 128f85e193739c953358c865005855253af4f68a497John McCall /// There is no lifetime qualification on this type. 129f85e193739c953358c865005855253af4f68a497John McCall OCL_None, 130f85e193739c953358c865005855253af4f68a497John McCall 131f85e193739c953358c865005855253af4f68a497John McCall /// This object can be modified without requiring retains or 132f85e193739c953358c865005855253af4f68a497John McCall /// releases. 133f85e193739c953358c865005855253af4f68a497John McCall OCL_ExplicitNone, 134f85e193739c953358c865005855253af4f68a497John McCall 135f85e193739c953358c865005855253af4f68a497John McCall /// Assigning into this object requires the old value to be 136f85e193739c953358c865005855253af4f68a497John McCall /// released and the new value to be retained. The timing of the 137f85e193739c953358c865005855253af4f68a497John McCall /// release of the old value is inexact: it may be moved to 138f85e193739c953358c865005855253af4f68a497John McCall /// immediately after the last known point where the value is 139f85e193739c953358c865005855253af4f68a497John McCall /// live. 140f85e193739c953358c865005855253af4f68a497John McCall OCL_Strong, 141f85e193739c953358c865005855253af4f68a497John McCall 142f85e193739c953358c865005855253af4f68a497John McCall /// Reading or writing from this object requires a barrier call. 143f85e193739c953358c865005855253af4f68a497John McCall OCL_Weak, 144f85e193739c953358c865005855253af4f68a497John McCall 145f85e193739c953358c865005855253af4f68a497John McCall /// Assigning into this object requires a lifetime extension. 146f85e193739c953358c865005855253af4f68a497John McCall OCL_Autoreleasing 147f85e193739c953358c865005855253af4f68a497John McCall }; 148f85e193739c953358c865005855253af4f68a497John McCall 1490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum { 1500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The maximum supported address space number. 1510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 24 bits should be enough for anyone. 1520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall MaxAddressSpace = 0xffffffu, 1530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The width of the "fast" qualifier mask. 155f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor FastWidth = 3, 1560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The fast qualifier mask. 1580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FastMask = (1 << FastWidth) - 1 1590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall }; 1600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers() : Mask(0) {} 1620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 163e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu /// \brief Returns the common set of qualifiers while removing them from 164e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu /// the given sets. 165e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu static Qualifiers removeCommonQualifiers(Qualifiers &L, Qualifiers &R) { 166e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu // If both are only CVR-qualified, bit operations are sufficient. 167e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu if (!(L.Mask & ~CVRMask) && !(R.Mask & ~CVRMask)) { 168e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu Qualifiers Q; 169e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu Q.Mask = L.Mask & R.Mask; 170e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu L.Mask &= ~Q.Mask; 171e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu R.Mask &= ~Q.Mask; 172e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu return Q; 173e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu } 174e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu 175e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu Qualifiers Q; 176e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu unsigned CommonCRV = L.getCVRQualifiers() & R.getCVRQualifiers(); 177e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu Q.addCVRQualifiers(CommonCRV); 178e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu L.removeCVRQualifiers(CommonCRV); 179e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu R.removeCVRQualifiers(CommonCRV); 180e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu 181e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu if (L.getObjCGCAttr() == R.getObjCGCAttr()) { 182e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu Q.setObjCGCAttr(L.getObjCGCAttr()); 183e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu L.removeObjCGCAttr(); 184e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu R.removeObjCGCAttr(); 185e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu } 186e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu 187e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu if (L.getObjCLifetime() == R.getObjCLifetime()) { 188e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu Q.setObjCLifetime(L.getObjCLifetime()); 189e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu L.removeObjCLifetime(); 190e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu R.removeObjCLifetime(); 191e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu } 192e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu 193e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu if (L.getAddressSpace() == R.getAddressSpace()) { 194e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu Q.setAddressSpace(L.getAddressSpace()); 195e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu L.removeAddressSpace(); 196e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu R.removeAddressSpace(); 197e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu } 198e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu return Q; 199e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu } 200e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu 2010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromFastMask(unsigned Mask) { 2020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 2030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.addFastQualifiers(Mask); 2040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 2050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromCVRMask(unsigned CVR) { 2080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 2090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.addCVRQualifiers(CVR); 2100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 2110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Deserialize qualifiers from an opaque representation. 2140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromOpaqueValue(unsigned opaque) { 2150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 2160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.Mask = opaque; 2170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 2180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Serialize these qualifiers into an opaque representation. 2210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAsOpaqueValue() const { 2220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Mask; 2230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasConst() const { return Mask & Const; } 2260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setConst(bool flag) { 2270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Const) | (flag ? Const : 0); 2280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeConst() { Mask &= ~Const; } 2300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { Mask |= Const; } 2310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasVolatile() const { return Mask & Volatile; } 2330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setVolatile(bool flag) { 2340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Volatile) | (flag ? Volatile : 0); 2350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeVolatile() { Mask &= ~Volatile; } 2370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addVolatile() { Mask |= Volatile; } 2380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasRestrict() const { return Mask & Restrict; } 2400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setRestrict(bool flag) { 2410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Restrict) | (flag ? Restrict : 0); 2420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeRestrict() { Mask &= ~Restrict; } 2440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addRestrict() { Mask |= Restrict; } 2450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasCVRQualifiers() const { return getCVRQualifiers(); } 2470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getCVRQualifiers() const { return Mask & CVRMask; } 2480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setCVRQualifiers(unsigned mask) { 2490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 2500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~CVRMask) | mask; 2510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers(unsigned mask) { 2530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 2540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask &= ~mask; 2550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers() { 2570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeCVRQualifiers(CVRMask); 2580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addCVRQualifiers(unsigned mask) { 2600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 2610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= mask; 2620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasObjCGCAttr() const { return Mask & GCAttrMask; } 2650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GC getObjCGCAttr() const { return GC((Mask & GCAttrMask) >> GCAttrShift); } 2660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setObjCGCAttr(GC type) { 2670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~GCAttrMask) | (type << GCAttrShift); 2680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeObjCGCAttr() { setObjCGCAttr(GCNone); } 2700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addObjCGCAttr(GC type) { 2710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(type); 2720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall setObjCGCAttr(type); 2730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2742234873111009eb8655d63362cedc422eb9fc517John McCall Qualifiers withoutObjCGCAttr() const { 2752234873111009eb8655d63362cedc422eb9fc517John McCall Qualifiers qs = *this; 2762234873111009eb8655d63362cedc422eb9fc517John McCall qs.removeObjCGCAttr(); 2772234873111009eb8655d63362cedc422eb9fc517John McCall return qs; 2782234873111009eb8655d63362cedc422eb9fc517John McCall } 279200fa53fd420aa8369586f569dbece04930ad6a3John McCall Qualifiers withoutObjCLifetime() const { 280f85e193739c953358c865005855253af4f68a497John McCall Qualifiers qs = *this; 281f85e193739c953358c865005855253af4f68a497John McCall qs.removeObjCLifetime(); 282f85e193739c953358c865005855253af4f68a497John McCall return qs; 283f85e193739c953358c865005855253af4f68a497John McCall } 2840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 285f85e193739c953358c865005855253af4f68a497John McCall bool hasObjCLifetime() const { return Mask & LifetimeMask; } 286f85e193739c953358c865005855253af4f68a497John McCall ObjCLifetime getObjCLifetime() const { 287f85e193739c953358c865005855253af4f68a497John McCall return ObjCLifetime((Mask & LifetimeMask) >> LifetimeShift); 288f85e193739c953358c865005855253af4f68a497John McCall } 289f85e193739c953358c865005855253af4f68a497John McCall void setObjCLifetime(ObjCLifetime type) { 290f85e193739c953358c865005855253af4f68a497John McCall Mask = (Mask & ~LifetimeMask) | (type << LifetimeShift); 291f85e193739c953358c865005855253af4f68a497John McCall } 292f85e193739c953358c865005855253af4f68a497John McCall void removeObjCLifetime() { setObjCLifetime(OCL_None); } 293f85e193739c953358c865005855253af4f68a497John McCall void addObjCLifetime(ObjCLifetime type) { 294f85e193739c953358c865005855253af4f68a497John McCall assert(type); 295200fa53fd420aa8369586f569dbece04930ad6a3John McCall assert(!hasObjCLifetime()); 296200fa53fd420aa8369586f569dbece04930ad6a3John McCall Mask |= (type << LifetimeShift); 297f85e193739c953358c865005855253af4f68a497John McCall } 298f85e193739c953358c865005855253af4f68a497John McCall 299f85e193739c953358c865005855253af4f68a497John McCall /// True if the lifetime is neither None or ExplicitNone. 300f85e193739c953358c865005855253af4f68a497John McCall bool hasNonTrivialObjCLifetime() const { 301f85e193739c953358c865005855253af4f68a497John McCall ObjCLifetime lifetime = getObjCLifetime(); 302f85e193739c953358c865005855253af4f68a497John McCall return (lifetime > OCL_ExplicitNone); 303f85e193739c953358c865005855253af4f68a497John McCall } 304f85e193739c953358c865005855253af4f68a497John McCall 305f85e193739c953358c865005855253af4f68a497John McCall /// True if the lifetime is either strong or weak. 306f85e193739c953358c865005855253af4f68a497John McCall bool hasStrongOrWeakObjCLifetime() const { 307f85e193739c953358c865005855253af4f68a497John McCall ObjCLifetime lifetime = getObjCLifetime(); 308f85e193739c953358c865005855253af4f68a497John McCall return (lifetime == OCL_Strong || lifetime == OCL_Weak); 309f85e193739c953358c865005855253af4f68a497John McCall } 310ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasAddressSpace() const { return Mask & AddressSpaceMask; } 3120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAddressSpace() const { return Mask >> AddressSpaceShift; } 3130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setAddressSpace(unsigned space) { 3140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(space <= MaxAddressSpace); 3150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~AddressSpaceMask) 3160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall | (((uint32_t) space) << AddressSpaceShift); 3170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeAddressSpace() { setAddressSpace(0); } 3190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addAddressSpace(unsigned space) { 3200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(space); 3210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall setAddressSpace(space); 3220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast qualifiers are those that can be allocated directly 3250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // on a QualType object. 3260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasFastQualifiers() const { return getFastQualifiers(); } 3270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getFastQualifiers() const { return Mask & FastMask; } 3280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setFastQualifiers(unsigned mask) { 3290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 3300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~FastMask) | mask; 3310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers(unsigned mask) { 3330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 3340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask &= ~mask; 3350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers() { 3370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(FastMask); 3380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned mask) { 3400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 3410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= mask; 3420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// hasNonFastQualifiers - Return true if the set contains any 3450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers which require an ExtQuals node to be allocated. 3460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasNonFastQualifiers() const { return Mask & ~FastMask; } 3470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getNonFastQualifiers() const { 3480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals = *this; 3490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.setFastQualifiers(0); 3500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Quals; 3510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// hasQualifiers - Return true if the set contains any qualifiers. 3540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasQualifiers() const { return Mask; } 3550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool empty() const { return !Mask; } 3560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// \brief Add the qualifiers from the given set to this set. 3580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addQualifiers(Qualifiers Q) { 3590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the other set doesn't have any non-boolean qualifiers, just 3600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // bit-or it in. 3610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!(Q.Mask & ~CVRMask)) 3620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= Q.Mask; 3630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall else { 3640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= (Q.Mask & CVRMask); 3650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Q.hasAddressSpace()) 3660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addAddressSpace(Q.getAddressSpace()); 3670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Q.hasObjCGCAttr()) 3680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addObjCGCAttr(Q.getObjCGCAttr()); 369f85e193739c953358c865005855253af4f68a497John McCall if (Q.hasObjCLifetime()) 370f85e193739c953358c865005855253af4f68a497John McCall addObjCLifetime(Q.getObjCLifetime()); 3710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 374e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu /// \brief Remove the qualifiers from the given set from this set. 375e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu void removeQualifiers(Qualifiers Q) { 376e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu // If the other set doesn't have any non-boolean qualifiers, just 377e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu // bit-and the inverse in. 378e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu if (!(Q.Mask & ~CVRMask)) 379e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu Mask &= ~Q.Mask; 380e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu else { 381e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu Mask &= ~(Q.Mask & CVRMask); 382e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu if (getObjCGCAttr() == Q.getObjCGCAttr()) 383e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu removeObjCGCAttr(); 384e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu if (getObjCLifetime() == Q.getObjCLifetime()) 385e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu removeObjCLifetime(); 386e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu if (getAddressSpace() == Q.getAddressSpace()) 387e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu removeAddressSpace(); 388e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu } 389e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu } 390e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu 39162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \brief Add the qualifiers from the given set to this set, given that 39262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// they don't conflict. 39362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall void addConsistentQualifiers(Qualifiers qs) { 39462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall assert(getAddressSpace() == qs.getAddressSpace() || 39562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall !hasAddressSpace() || !qs.hasAddressSpace()); 39662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall assert(getObjCGCAttr() == qs.getObjCGCAttr() || 39762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall !hasObjCGCAttr() || !qs.hasObjCGCAttr()); 398f85e193739c953358c865005855253af4f68a497John McCall assert(getObjCLifetime() == qs.getObjCLifetime() || 399f85e193739c953358c865005855253af4f68a497John McCall !hasObjCLifetime() || !qs.hasObjCLifetime()); 40062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Mask |= qs.Mask; 40162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall } 40262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 40362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \brief Determines if these qualifiers compatibly include another set. 40462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// Generally this answers the question of whether an object with the other 40562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// qualifiers can be safely used as an object with these qualifiers. 40662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall bool compatiblyIncludes(Qualifiers other) const { 407ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return 408377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor // Address spaces must match exactly. 409377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor getAddressSpace() == other.getAddressSpace() && 410377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor // ObjC GC qualifiers can match, be added, or be removed, but can't be 411377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor // changed. 412377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor (getObjCGCAttr() == other.getObjCGCAttr() || 413377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor !hasObjCGCAttr() || !other.hasObjCGCAttr()) && 414f85e193739c953358c865005855253af4f68a497John McCall // ObjC lifetime qualifiers must match exactly. 415f85e193739c953358c865005855253af4f68a497John McCall getObjCLifetime() == other.getObjCLifetime() && 416377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor // CVR qualifiers may subset. 417377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor (((Mask & CVRMask) | (other.Mask & CVRMask)) == (Mask & CVRMask)); 41862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall } 41962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 420f85e193739c953358c865005855253af4f68a497John McCall /// \brief Determines if these qualifiers compatibly include another set of 421f85e193739c953358c865005855253af4f68a497John McCall /// qualifiers from the narrow perspective of Objective-C ARC lifetime. 422f85e193739c953358c865005855253af4f68a497John McCall /// 423f85e193739c953358c865005855253af4f68a497John McCall /// One set of Objective-C lifetime qualifiers compatibly includes the other 424ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// if the lifetime qualifiers match, or if both are non-__weak and the 425f85e193739c953358c865005855253af4f68a497John McCall /// including set also contains the 'const' qualifier. 426f85e193739c953358c865005855253af4f68a497John McCall bool compatiblyIncludesObjCLifetime(Qualifiers other) const { 427f85e193739c953358c865005855253af4f68a497John McCall if (getObjCLifetime() == other.getObjCLifetime()) 428f85e193739c953358c865005855253af4f68a497John McCall return true; 429ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 430f85e193739c953358c865005855253af4f68a497John McCall if (getObjCLifetime() == OCL_Weak || other.getObjCLifetime() == OCL_Weak) 431f85e193739c953358c865005855253af4f68a497John McCall return false; 432ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 433f85e193739c953358c865005855253af4f68a497John McCall return hasConst(); 434f85e193739c953358c865005855253af4f68a497John McCall } 435ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 436769d0cc72b1831785596d0e76f327bdb887823beDouglas Gregor /// \brief Determine whether this set of qualifiers is a strict superset of 437769d0cc72b1831785596d0e76f327bdb887823beDouglas Gregor /// another set of qualifiers, not considering qualifier compatibility. 438769d0cc72b1831785596d0e76f327bdb887823beDouglas Gregor bool isStrictSupersetOf(Qualifiers Other) const; 439ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 4400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator==(Qualifiers Other) const { return Mask == Other.Mask; } 4410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator!=(Qualifiers Other) const { return Mask != Other.Mask; } 4420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall operator bool() const { return hasQualifiers(); } 4440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers &operator+=(Qualifiers R) { 4460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addQualifiers(R); 4470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return *this; 4480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Union two qualifier sets. If an enumerated qualifier appears 4510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // in both sets, use the one from the right. 4520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend Qualifiers operator+(Qualifiers L, Qualifiers R) { 4530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall L += R; 4540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return L; 4550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 456ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 4573cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor Qualifiers &operator-=(Qualifiers R) { 458e6f18c3e6a28229b5871007858b8c30882494b09Richard Trieu removeQualifiers(R); 4593cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor return *this; 4603cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor } 4610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4623cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor /// \brief Compute the difference between two qualifier sets. 4633cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor friend Qualifiers operator-(Qualifiers L, Qualifiers R) { 4643cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor L -= R; 4653cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor return L; 4663cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor } 467ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 4680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string getAsString() const; 4697ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis std::string getAsString(const PrintingPolicy &Policy) const; 4707ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis 4717ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis bool isEmptyWhenPrinted(const PrintingPolicy &Policy) const; 4727ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis void print(raw_ostream &OS, const PrintingPolicy &Policy, 4737ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis bool appendSpaceIfNonEmpty = false) const; 4740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) const { 4760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ID.AddInteger(Mask); 4770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4790953e767ff7817f97b3ab20896b229891eeff45bJohn McCallprivate: 4800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 481f85e193739c953358c865005855253af4f68a497John McCall // bits: |0 1 2|3 .. 4|5 .. 7|8 ... 31| 482f85e193739c953358c865005855253af4f68a497John McCall // |C R V|GCAttr|Lifetime|AddressSpace| 4830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall uint32_t Mask; 4840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrMask = 0x18; 4860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrShift = 3; 487f85e193739c953358c865005855253af4f68a497John McCall static const uint32_t LifetimeMask = 0xE0; 488f85e193739c953358c865005855253af4f68a497John McCall static const uint32_t LifetimeShift = 5; 489f85e193739c953358c865005855253af4f68a497John McCall static const uint32_t AddressSpaceMask = ~(CVRMask|GCAttrMask|LifetimeMask); 490f85e193739c953358c865005855253af4f68a497John McCall static const uint32_t AddressSpaceShift = 8; 4910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 4920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 493ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor/// CallingConv - Specifies the calling convention that a function uses. 494ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregorenum CallingConv { 495ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_Default, 496ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_C, // __attribute__((cdecl)) 497ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_X86StdCall, // __attribute__((stdcall)) 498f813a2c03fcb05381b3252010435f557eb6b3cdeDouglas Gregor CC_X86FastCall, // __attribute__((fastcall)) 49952fc314e1b5e1baee6305067cf831763d02bd243Dawn Perchik CC_X86ThisCall, // __attribute__((thiscall)) 500414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov CC_X86Pascal, // __attribute__((pascal)) 501414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov CC_AAPCS, // __attribute__((pcs("aapcs"))) 502414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov CC_AAPCS_VFP // __attribute__((pcs("aapcs-vfp"))) 503ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor}; 504ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 505200fa53fd420aa8369586f569dbece04930ad6a3John McCall/// A std::pair-like structure for storing a qualified type split 506200fa53fd420aa8369586f569dbece04930ad6a3John McCall/// into its local qualifiers and its locally-unqualified type. 507200fa53fd420aa8369586f569dbece04930ad6a3John McCallstruct SplitQualType { 508200fa53fd420aa8369586f569dbece04930ad6a3John McCall /// The locally-unqualified type. 509200fa53fd420aa8369586f569dbece04930ad6a3John McCall const Type *Ty; 510200fa53fd420aa8369586f569dbece04930ad6a3John McCall 511200fa53fd420aa8369586f569dbece04930ad6a3John McCall /// The local qualifiers. 512200fa53fd420aa8369586f569dbece04930ad6a3John McCall Qualifiers Quals; 513200fa53fd420aa8369586f569dbece04930ad6a3John McCall 514200fa53fd420aa8369586f569dbece04930ad6a3John McCall SplitQualType() : Ty(0), Quals() {} 515200fa53fd420aa8369586f569dbece04930ad6a3John McCall SplitQualType(const Type *ty, Qualifiers qs) : Ty(ty), Quals(qs) {} 516200fa53fd420aa8369586f569dbece04930ad6a3John McCall 517200fa53fd420aa8369586f569dbece04930ad6a3John McCall SplitQualType getSingleStepDesugaredType() const; // end of this file 518200fa53fd420aa8369586f569dbece04930ad6a3John McCall 519200fa53fd420aa8369586f569dbece04930ad6a3John McCall // Make llvm::tie work. 520200fa53fd420aa8369586f569dbece04930ad6a3John McCall operator std::pair<const Type *,Qualifiers>() const { 521200fa53fd420aa8369586f569dbece04930ad6a3John McCall return std::pair<const Type *,Qualifiers>(Ty, Quals); 522200fa53fd420aa8369586f569dbece04930ad6a3John McCall } 523200fa53fd420aa8369586f569dbece04930ad6a3John McCall 524200fa53fd420aa8369586f569dbece04930ad6a3John McCall friend bool operator==(SplitQualType a, SplitQualType b) { 525200fa53fd420aa8369586f569dbece04930ad6a3John McCall return a.Ty == b.Ty && a.Quals == b.Quals; 526200fa53fd420aa8369586f569dbece04930ad6a3John McCall } 527200fa53fd420aa8369586f569dbece04930ad6a3John McCall friend bool operator!=(SplitQualType a, SplitQualType b) { 528200fa53fd420aa8369586f569dbece04930ad6a3John McCall return a.Ty != b.Ty || a.Quals != b.Quals; 529200fa53fd420aa8369586f569dbece04930ad6a3John McCall } 530200fa53fd420aa8369586f569dbece04930ad6a3John McCall}; 5310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// QualType - For efficiency, we don't store CV-qualified types as nodes on 5330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// their own: instead each reference to a type stores the qualifiers. This 5340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// greatly reduces the number of nodes we need to allocate for types (for 5350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// example we only need one for 'int', 'const int', 'volatile int', 5360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 'const volatile int', etc). 5370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 5380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// As an added efficiency bonus, instead of making this a pair, we 5390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// just store the two bits we care about in the low bits of the 5400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// pointer. To handle the packing/unpacking, we make QualType be a 5410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// simple wrapper class that acts like a smart pointer. A third bit 5420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// indicates whether there are extended qualifiers present, in which 5430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// case the pointer points to a special structure. 5440953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualType { 5450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Thankfully, these are efficiently composable. 5460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::PointerIntPair<llvm::PointerUnion<const Type*,const ExtQuals*>, 5470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::FastWidth> Value; 5480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *getExtQualsUnsafe() const { 5500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const ExtQuals*>(); 5510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *getTypePtrUnsafe() const { 5540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const Type*>(); 5550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5573b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ExtQualsTypeCommonBase *getCommonPtr() const { 5583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!isNull() && "Cannot retrieve a NULL type pointer"); 5593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall uintptr_t CommonPtrVal 5603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = reinterpret_cast<uintptr_t>(Value.getOpaqueValue()); 5613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall CommonPtrVal &= ~(uintptr_t)((1 << TypeAlignmentInBits) - 1); 5623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return reinterpret_cast<ExtQualsTypeCommonBase*>(CommonPtrVal); 5633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 5643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 5650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend class QualifierCollector; 5660953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 5675cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType() {} 5681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5695cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType(const Type *Ptr, unsigned Quals) 5700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 5710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType(const ExtQuals *Ptr, unsigned Quals) 5720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 5730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 574a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalFastQualifiers() const { return Value.getInt(); } 575a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor void setLocalFastQualifiers(unsigned Quals) { Value.setInt(Quals); } 5765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Retrieves a pointer to the underlying (unqualified) type. 5781ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// 5791ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// This function requires that the type not be NULL. If the type might be 5801ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// NULL, use the (slightly less efficient) \c getTypePtrOrNull(). 5813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *getTypePtr() const; 582ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 5833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *getTypePtrOrNull() const; 5841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5854d9d157afb35742bc6348defbe45bc6de780ec77Kaelyn Uhrain /// Retrieves a pointer to the name of the base type. 5864d9d157afb35742bc6348defbe45bc6de780ec77Kaelyn Uhrain const IdentifierInfo *getBaseTypeIdentifier() const; 5874d9d157afb35742bc6348defbe45bc6de780ec77Kaelyn Uhrain 58849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall /// Divides a QualType into its unqualified type and a set of local 58949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall /// qualifiers. 5903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split() const; 59149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall 5925cf243a883872441d73ca49cea7e20de5802629bChris Lattner void *getAsOpaquePtr() const { return Value.getOpaqueValue(); } 593f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall static QualType getFromOpaquePtr(const void *Ptr) { 5945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType T; 595f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall T.Value.setFromOpaqueValue(const_cast<void*>(Ptr)); 5965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T; 5975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 599f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type &operator*() const { 6005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return *getTypePtr(); 6015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 603f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *operator->() const { 6045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getTypePtr(); 6055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 607467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonical() const; 60854e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isCanonicalAsParam() const; 609467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 6105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isNull - Return true if this QualType doesn't point to a type yet. 6115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isNull() const { 6120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().isNull(); 6135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 615ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Determine whether this particular QualType instance has the 616a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "const" qualifier set, without looking through typedefs that may have 617a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "const" at a different level. 618a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalConstQualified() const { 619a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Const); 6200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 621ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 622a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is const-qualified. 623fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isConstQualified() const; 624ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 625ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Determine whether this particular QualType instance has the 626a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "restrict" qualifier set, without looking through typedefs that may have 627a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "restrict" at a different level. 628a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalRestrictQualified() const { 629a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Restrict); 630a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor } 631ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 632a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is restrict-qualified. 633fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isRestrictQualified() const; 634ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 635ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Determine whether this particular QualType instance has the 636a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "volatile" qualifier set, without looking through typedefs that may have 637a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "volatile" at a different level. 638a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalVolatileQualified() const { 639f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor return (getLocalFastQualifiers() & Qualifiers::Volatile); 6405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 642a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is volatile-qualified. 643fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isVolatileQualified() const; 644ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 645a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 646ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// qualifiers, without looking through any typedefs that might add 647a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers at a different level. 648a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalQualifiers() const { 649a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return getLocalFastQualifiers() || hasLocalNonFastQualifiers(); 6500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 652a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type has any qualifiers. 653fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool hasQualifiers() const; 654ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 655a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 656a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "non-fast" qualifiers, e.g., those that are stored in an ExtQualType 657a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance. 658a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalNonFastQualifiers() const { 659a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return Value.getPointer().is<const ExtQuals*>(); 6600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 662a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers local to this particular QualType 663a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance, not including any qualifiers acquired through typedefs or 664a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// other sugar. 6653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers getLocalQualifiers() const; 6660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 667a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers applied to this type. 668fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Qualifiers getQualifiers() const; 669ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 670ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 671a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// local to this particular QualType instance, not including any qualifiers 672a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// acquired through typedefs or other sugar. 673a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalCVRQualifiers() const { 674f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor return getLocalFastQualifiers(); 6755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 676b381aac9bae6d608c72267dd0ed08ec6369e94e4Nuno Lopes 677ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 678a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// applied to this type. 679fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor unsigned getCVRQualifiers() const; 680e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 681bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isConstant(ASTContext& Ctx) const { 682bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return QualType::isConstant(*this, Ctx); 683bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 6841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 685f85e193739c953358c865005855253af4f68a497John McCall /// \brief Determine whether this is a Plain Old Data (POD) type (C++ 3.9p10). 686f85e193739c953358c865005855253af4f68a497John McCall bool isPODType(ASTContext &Context) const; 687f85e193739c953358c865005855253af4f68a497John McCall 688152f6b7be508fbc61543f3736ebd390d7ac84bd1Benjamin Kramer /// isCXX98PODType() - Return true if this is a POD type according to the 689152f6b7be508fbc61543f3736ebd390d7ac84bd1Benjamin Kramer /// rules of the C++98 standard, regardless of the current compilation's 690152f6b7be508fbc61543f3736ebd390d7ac84bd1Benjamin Kramer /// language. 691152f6b7be508fbc61543f3736ebd390d7ac84bd1Benjamin Kramer bool isCXX98PODType(ASTContext &Context) const; 692152f6b7be508fbc61543f3736ebd390d7ac84bd1Benjamin Kramer 693f85e193739c953358c865005855253af4f68a497John McCall /// isCXX11PODType() - Return true if this is a POD type according to the 694f85e193739c953358c865005855253af4f68a497John McCall /// more relaxed rules of the C++11 standard, regardless of the current 695f85e193739c953358c865005855253af4f68a497John McCall /// compilation's language. 696f85e193739c953358c865005855253af4f68a497John McCall /// (C++0x [basic.types]p9) 697f85e193739c953358c865005855253af4f68a497John McCall bool isCXX11PODType(ASTContext &Context) const; 698ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 699f85e193739c953358c865005855253af4f68a497John McCall /// isTrivialType - Return true if this is a trivial type 700f85e193739c953358c865005855253af4f68a497John McCall /// (C++0x [basic.types]p9) 701ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie bool isTrivialType(ASTContext &Context) const; 702f85e193739c953358c865005855253af4f68a497John McCall 703f85e193739c953358c865005855253af4f68a497John McCall /// isTriviallyCopyableType - Return true if this is a trivially 704f85e193739c953358c865005855253af4f68a497John McCall /// copyable type (C++0x [basic.types]p9) 705f85e193739c953358c865005855253af4f68a497John McCall bool isTriviallyCopyableType(ASTContext &Context) const; 706f85e193739c953358c865005855253af4f68a497John McCall 7070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Don't promise in the API that anything besides 'const' can be 7080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // easily added. 7090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 710ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// addConst - add the specified type qualifier to this QualType. 7110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { 7120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addFastQualifiers(Qualifiers::Const); 7130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 7140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withConst() const { 7150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return withFastQualifiers(Qualifiers::Const); 7160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 7170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 718ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// addVolatile - add the specified type qualifier to this QualType. 719308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt void addVolatile() { 720308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt addFastQualifiers(Qualifiers::Volatile); 721308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt } 722308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt QualType withVolatile() const { 723308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt return withFastQualifiers(Qualifiers::Volatile); 724308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt } 72518932a0f2a94a7813ec461d1118c39ecf8aa936fTed Kremenek 72618932a0f2a94a7813ec461d1118c39ecf8aa936fTed Kremenek /// Add the restrict qualifier to this QualType. 72718932a0f2a94a7813ec461d1118c39ecf8aa936fTed Kremenek void addRestrict() { 72818932a0f2a94a7813ec461d1118c39ecf8aa936fTed Kremenek addFastQualifiers(Qualifiers::Restrict); 72918932a0f2a94a7813ec461d1118c39ecf8aa936fTed Kremenek } 73018932a0f2a94a7813ec461d1118c39ecf8aa936fTed Kremenek QualType withRestrict() const { 73118932a0f2a94a7813ec461d1118c39ecf8aa936fTed Kremenek return withFastQualifiers(Qualifiers::Restrict); 73218932a0f2a94a7813ec461d1118c39ecf8aa936fTed Kremenek } 733308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt 734a07398ed98ea2b55ad7a505a3aab18aed93b149fJohn McCall QualType withCVRQualifiers(unsigned CVR) const { 735a07398ed98ea2b55ad7a505a3aab18aed93b149fJohn McCall return withFastQualifiers(CVR); 736a07398ed98ea2b55ad7a505a3aab18aed93b149fJohn McCall } 737a07398ed98ea2b55ad7a505a3aab18aed93b149fJohn McCall 7380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned TQs) { 7390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(TQs & ~Qualifiers::FastMask) 7400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "non-fast qualifier bits set in mask!"); 7410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() | TQs); 7420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 7430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 74449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalConst(); 74549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalVolatile(); 74649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalRestrict(); 74749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalCVRQualifiers(unsigned Mask); 7480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 74949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalFastQualifiers() { Value.setInt(0); } 75049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalFastQualifiers(unsigned Mask) { 7510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(Mask & ~Qualifiers::FastMask) && "mask has non-fast qualifiers"); 7520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() & ~Mask); 7530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 7545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with the given qualifiers in addition to any 7560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualifiers already on this type. 7570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withFastQualifiers(unsigned TQs) const { 7580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 7590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall T.addFastQualifiers(TQs); 7600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 7610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 7621c6a38bcea17801e9a4738753aee845381af2b6cSanjiv Gupta 7630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with exactly the given fast qualifiers, removing 7640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // any existing fast qualifiers. 76549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType withExactLocalFastQualifiers(unsigned TQs) const { 76649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return withoutLocalFastQualifiers().withFastQualifiers(TQs); 7675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 7690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Removes fast qualifiers, but leaves any extended qualifiers in place. 77049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType withoutLocalFastQualifiers() const { 7710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 77249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall T.removeLocalFastQualifiers(); 7730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 774c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 775971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis 7763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType getCanonicalType() const; 7773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 778a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Return this type with all of the instance-specific qualifiers 779a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// removed, but without removing any qualifiers that may have been applied 780a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// through typedefs. 781a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor QualType getLocalUnqualifiedType() const { return QualType(getTypePtr(), 0); } 7821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 78362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \brief Retrieve the unqualified variant of the given type, 78462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// removing as little sugar as possible. 78562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 78662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// This routine looks through various kinds of sugar to find the 78762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// least-desugared type that is unqualified. For example, given: 78862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 78962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \code 79062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// typedef int Integer; 79162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// typedef const Integer CInteger; 79262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// typedef CInteger DifferenceType; 79362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \endcode 79462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 79562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// Executing \c getUnqualifiedType() on the type \c DifferenceType will 79662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// desugar until we hit the type \c Integer, which has no qualifiers on it. 79762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 79862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// The resulting type might still be qualified if it's an array 79962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// type. To strip qualifiers even from within an array type, use 80062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// ASTContext::getUnqualifiedArrayType. 80162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall inline QualType getUnqualifiedType() const; 80262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 80362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// getSplitUnqualifiedType - Retrieve the unqualified variant of the 80462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// given type, removing as little sugar as possible. 80562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 80662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// Like getUnqualifiedType(), but also returns the set of 80762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// qualifiers that were built up. 80862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 80962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// The resulting type might still be qualified if it's an array 81062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// type. To strip qualifiers even from within an array type, use 81162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// ASTContext::getUnqualifiedArrayType. 81262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall inline SplitQualType getSplitUnqualifiedType() const; 813ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 81461d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor /// \brief Determine whether this type is more qualified than the other 81561d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor /// given type, requiring exact equality for non-CVR qualifiers. 816e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isMoreQualifiedThan(QualType Other) const; 81761d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor 81861d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor /// \brief Determine whether this type is at least as qualified as the other 81961d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor /// given type, requiring exact equality for non-CVR qualifiers. 820e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isAtLeastAsQualifiedAs(QualType Other) const; 821ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 822e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor QualType getNonReferenceType() const; 8231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8246398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// \brief Determine the type of a (typically non-lvalue) expression with the 8256398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// specified result type. 826ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// 8276398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// This routine should be used for expressions for which the return type is 8286398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// explicitly specified (e.g., in a cast or call) and isn't necessarily 829ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// an lvalue. It removes a top-level reference (since there are no 8305291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// expressions of reference type) and deletes top-level cvr-qualifiers 8315291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// from non-class types (in C++) or all types (in C). 8326398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor QualType getNonLValueExprType(ASTContext &Context) const; 833ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 8342fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// getDesugaredType - Return the specified type with any "sugar" removed from 8352fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type. This takes off typedefs, typeof's etc. If the outer level of 8362fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type is already concrete, it returns it unmodified. This is similar 8372fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// to getting the canonical type, but it doesn't remove *all* typedefs. For 8382fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// example, it returns "T*" as "T*", (not as "int*"), because the pointer is 8392fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// concrete. 8400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 8410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Qualifiers are left in place. 8424ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType getDesugaredType(const ASTContext &Context) const { 84349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getDesugaredType(*this, Context); 84449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 84549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall 84649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall SplitQualType getSplitDesugaredType() const { 84749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getSplitDesugaredType(*this); 848bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 84998cd599ee8a9b259ed7388ee2921a20d97658864Douglas Gregor 850f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor /// \brief Return the specified type with one level of "sugar" removed from 851ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// the type. 852f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor /// 853f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor /// This routine takes off the first typedef, typeof, etc. If the outer level 854f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor /// of the type is already concrete, it returns it unmodified. 855200fa53fd420aa8369586f569dbece04930ad6a3John McCall QualType getSingleStepDesugaredType(const ASTContext &Context) const { 856200fa53fd420aa8369586f569dbece04930ad6a3John McCall return getSingleStepDesugaredTypeImpl(*this, Context); 857200fa53fd420aa8369586f569dbece04930ad6a3John McCall } 858ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 859075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara /// IgnoreParens - Returns the specified type after dropping any 860075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara /// outer-level parentheses. 861075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType IgnoreParens() const { 862723df245307a530da5433dfb43accf187dc3e243Abramo Bagnara if (isa<ParenType>(*this)) 863723df245307a530da5433dfb43accf187dc3e243Abramo Bagnara return QualType::IgnoreParens(*this); 864723df245307a530da5433dfb43accf187dc3e243Abramo Bagnara return *this; 865075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 866075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 8675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// operator==/!= - Indicate whether the specified types and qualifiers are 8685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// identical. 86950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator==(const QualType &LHS, const QualType &RHS) { 87050d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value == RHS.Value; 8715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 87250d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator!=(const QualType &LHS, const QualType &RHS) { 87350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value != RHS.Value; 8745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 87549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall std::string getAsString() const { 87649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsString(split()); 87749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 87849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static std::string getAsString(SplitQualType split) { 879200fa53fd420aa8369586f569dbece04930ad6a3John McCall return getAsString(split.Ty, split.Quals); 88049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 88149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static std::string getAsString(const Type *ty, Qualifiers qs); 882d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor 8837ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis std::string getAsString(const PrintingPolicy &Policy) const; 8847ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis 8857ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis void print(raw_ostream &OS, const PrintingPolicy &Policy, 8867ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const Twine &PlaceHolder = Twine()) const { 8877ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis print(split(), OS, Policy, PlaceHolder); 8887ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis } 8897ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis static void print(SplitQualType split, raw_ostream &OS, 8907ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const PrintingPolicy &policy, const Twine &PlaceHolder) { 8917ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis return print(split.Ty, split.Quals, OS, policy, PlaceHolder); 8925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8937ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis static void print(const Type *ty, Qualifiers qs, 8947ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis raw_ostream &OS, const PrintingPolicy &policy, 8957ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const Twine &PlaceHolder); 8967ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis 897e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner void getAsStringInternal(std::string &Str, 89849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &Policy) const { 89949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsStringInternal(split(), Str, Policy); 90049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 90149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static void getAsStringInternal(SplitQualType split, std::string &out, 90249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &policy) { 903200fa53fd420aa8369586f569dbece04930ad6a3John McCall return getAsStringInternal(split.Ty, split.Quals, out, policy); 90449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 90549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static void getAsStringInternal(const Type *ty, Qualifiers qs, 90649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall std::string &out, 90749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &policy); 9081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9097ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis class StreamedQualTypeHelper { 9107ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const QualType &T; 9117ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const PrintingPolicy &Policy; 9127ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const Twine &PlaceHolder; 9137ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis public: 9147ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis StreamedQualTypeHelper(const QualType &T, const PrintingPolicy &Policy, 9157ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const Twine &PlaceHolder) 9167ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis : T(T), Policy(Policy), PlaceHolder(PlaceHolder) { } 9177ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis 9187ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis friend raw_ostream &operator<<(raw_ostream &OS, 9197ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const StreamedQualTypeHelper &SQT) { 9207ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis SQT.T.print(OS, SQT.Policy, SQT.PlaceHolder); 9217ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis return OS; 9227ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis } 9237ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis }; 9247ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis 9257ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis StreamedQualTypeHelper stream(const PrintingPolicy &Policy, 9267ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const Twine &PlaceHolder = Twine()) const { 9277ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis return StreamedQualTypeHelper(*this, Policy, PlaceHolder); 9287ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis } 9297ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis 930c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump(const char *s) const; 931c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 9321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9333f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) const { 9343f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek ID.AddPointer(getAsOpaquePtr()); 9353f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek } 9365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 937ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// getAddressSpace - Return the address space of this type. 938ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb inline unsigned getAddressSpace() const; 9391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 940f85e193739c953358c865005855253af4f68a497John McCall /// getObjCGCAttr - Returns gc attribute of this type. 9410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall inline Qualifiers::GC getObjCGCAttr() const; 942f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 943f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCWeak true when Type is objc's weak. 944f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCWeak() const { 9450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Weak; 946f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 947f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 948f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCStrong true when Type is objc's strong. 949f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCStrong() const { 9500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Strong; 951f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 9522455636163fdd18581d7fdae816433f886d88213Mike Stump 953f85e193739c953358c865005855253af4f68a497John McCall /// getObjCLifetime - Returns lifetime attribute of this type. 954f85e193739c953358c865005855253af4f68a497John McCall Qualifiers::ObjCLifetime getObjCLifetime() const { 955f85e193739c953358c865005855253af4f68a497John McCall return getQualifiers().getObjCLifetime(); 956f85e193739c953358c865005855253af4f68a497John McCall } 957f85e193739c953358c865005855253af4f68a497John McCall 958f85e193739c953358c865005855253af4f68a497John McCall bool hasNonTrivialObjCLifetime() const { 959f85e193739c953358c865005855253af4f68a497John McCall return getQualifiers().hasNonTrivialObjCLifetime(); 960f85e193739c953358c865005855253af4f68a497John McCall } 961f85e193739c953358c865005855253af4f68a497John McCall 962f85e193739c953358c865005855253af4f68a497John McCall bool hasStrongOrWeakObjCLifetime() const { 963f85e193739c953358c865005855253af4f68a497John McCall return getQualifiers().hasStrongOrWeakObjCLifetime(); 964f85e193739c953358c865005855253af4f68a497John McCall } 965f85e193739c953358c865005855253af4f68a497John McCall 9660d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall enum DestructionKind { 9670d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall DK_none, 968f85e193739c953358c865005855253af4f68a497John McCall DK_cxx_destructor, 969f85e193739c953358c865005855253af4f68a497John McCall DK_objc_strong_lifetime, 970f85e193739c953358c865005855253af4f68a497John McCall DK_objc_weak_lifetime 9710d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall }; 9720d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall 9730d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall /// isDestructedType - nonzero if objects of this type require 9740d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall /// non-trivial work to clean up after. Non-zero because it's 9750d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall /// conceivable that qualifiers (objc_gc(weak)?) could make 9760d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall /// something require destruction. 9770d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall DestructionKind isDestructedType() const { 9780d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall return isDestructedTypeImpl(*this); 9790d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall } 9800d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall 981ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Determine whether expressions of the given type are forbidden 9822b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// from being lvalues in C. 9832b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// 9842b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// The expression types that are forbidden to be lvalues are: 9852b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// - 'void', but not qualified void 9862b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// - function types 9872b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// 9882b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// The exact rule here is C99 6.3.2.1: 9892b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// An lvalue is an expression with an object type or an incomplete 9902b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// type other than void. 9912b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor bool isCForbiddenLValueType() const; 9922b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor 99385ea7aa961deac1d754f610af8062ae3f8b4e2a5Sebastian Redl /// \brief Determine whether this type has trivial copy/move-assignment 99485ea7aa961deac1d754f610af8062ae3f8b4e2a5Sebastian Redl /// semantics. 99585ea7aa961deac1d754f610af8062ae3f8b4e2a5Sebastian Redl bool hasTrivialAssignment(ASTContext &Context, bool Copying) const; 996ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 997bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCallprivate: 998bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // These methods are implemented in a separate translation unit; 999bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // "static"-ize them to avoid creating temporary QualTypes in the 1000bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // caller. 1001bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall static bool isConstant(QualType T, ASTContext& Ctx); 10024ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static QualType getDesugaredType(QualType T, const ASTContext &Context); 100349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static SplitQualType getSplitDesugaredType(QualType T); 100462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall static SplitQualType getSplitUnqualifiedTypeImpl(QualType type); 1005200fa53fd420aa8369586f569dbece04930ad6a3John McCall static QualType getSingleStepDesugaredTypeImpl(QualType type, 1006200fa53fd420aa8369586f569dbece04930ad6a3John McCall const ASTContext &C); 1007075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static QualType IgnoreParens(QualType T); 10080d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall static DestructionKind isDestructedTypeImpl(QualType type); 10095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end clang. 10125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace llvm { 10145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Implement simplify_type for QualType, so that we can dyn_cast from QualType 10155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// to a specific Type class. 10165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type<const ::clang::QualType> { 1017f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall typedef const ::clang::Type *SimpleType; 10185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static SimpleType getSimplifiedValue(const ::clang::QualType &Val) { 10194472fc641ea3069463798fb56a04043c28ea2910Douglas Gregor return Val.getTypePtr(); 10205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 10225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type< ::clang::QualType> 10235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : public simplify_type<const ::clang::QualType> {}; 10241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10254e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner// Teach SmallPtrSet that QualType is "basically a pointer". 10264e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnertemplate<> 1027daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattnerclass PointerLikeTypeTraits<clang::QualType> { 10284e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnerpublic: 10294e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline void *getAsVoidPointer(clang::QualType P) { 10304e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return P.getAsOpaquePtr(); 10314e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 10324e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline clang::QualType getFromVoidPointer(void *P) { 10334e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return clang::QualType::getFromOpaquePtr(P); 10344e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 10350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Various qualifiers go in low bits. 10360eda3b31a672ea486fa92b9bc49a2c91be856b53Chris Lattner enum { NumLowBitsAvailable = 0 }; 10374e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner}; 10381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 103973af669633e13c813f80cd15ecf3e6414778aee4Ted Kremenek} // end namespace llvm 10405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 10425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1043ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// \brief Base class that is common to both the \c ExtQuals and \c Type 10443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// classes, which allows \c QualType to access the common fields between the 10453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// two. 10463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// 10473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallclass ExtQualsTypeCommonBase { 10483b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQualsTypeCommonBase(const Type *baseType, QualType canon) 10493b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall : BaseType(baseType), CanonicalType(canon) {} 10503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 10513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// \brief The "base" type of an extended qualifiers type (\c ExtQuals) or 10523b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// a self-referential pointer (for \c Type). 10533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// 1054ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// This pointer allows an efficient mapping from a QualType to its 10553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// underlying type pointer. 10563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *const BaseType; 10573b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 10583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// \brief The canonical type of this type. A QualType. 10593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType CanonicalType; 10603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 10613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall friend class QualType; 10623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall friend class Type; 10633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall friend class ExtQuals; 10643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall}; 1065ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 10663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// ExtQuals - We can encode up to four bits in the low bits of a 10673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// type pointer, but there are many more type qualifiers that we want 10683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// to be able to apply to an arbitrary type. Therefore we have this 10693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// struct, intended to be heap-allocated and used by QualType to 10703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// store qualifiers. 10713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// 1072ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// The current design tags the 'const', 'restrict', and 'volatile' qualifiers 10733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// in three low bits on the QualType pointer; a fourth bit records whether 10743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// the pointer is an ExtQuals node. The extended qualifiers (address spaces, 10753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// Objective-C GC attributes) are much more rare. 10763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallclass ExtQuals : public ExtQualsTypeCommonBase, public llvm::FoldingSetNode { 10773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // NOTE: changing the fast qualifiers should be straightforward as 10783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // long as you don't make 'const' non-fast. 10793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // 1. Qualifiers: 10803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // a) Modify the bitmasks (Qualifiers::TQ and DeclSpec::TQ). 10813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Fast qualifiers must occupy the low-order bits. 10823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // b) Update Qualifiers::FastWidth and FastMask. 10833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // 2. QualType: 10843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // a) Update is{Volatile,Restrict}Qualified(), defined inline. 10853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // b) Update remove{Volatile,Restrict}, defined near the end of 10863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // this header. 10873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // 3. ASTContext: 10883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // a) Update get{Volatile,Restrict}Type. 10893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 10903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// Quals - the immutable set of qualifiers applied by this 10913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// node; always contains extended qualifiers. 10923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers Quals; 10933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 10943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals *this_() { return this; } 10953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 10963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallpublic: 1097ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ExtQuals(const Type *baseType, QualType canon, Qualifiers quals) 10983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall : ExtQualsTypeCommonBase(baseType, 10993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon.isNull() ? QualType(this_(), 0) : canon), 11003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals(quals) 11013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall { 11023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(Quals.hasNonFastQualifiers() 11033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall && "ExtQuals created with no fast qualifiers"); 11043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!Quals.hasFastQualifiers() 11053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall && "ExtQuals created with fast qualifiers"); 11063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 11073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 11083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers getQualifiers() const { return Quals; } 11093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 11103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall bool hasObjCGCAttr() const { return Quals.hasObjCGCAttr(); } 11113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers::GC getObjCGCAttr() const { return Quals.getObjCGCAttr(); } 11123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 1113f85e193739c953358c865005855253af4f68a497John McCall bool hasObjCLifetime() const { return Quals.hasObjCLifetime(); } 1114f85e193739c953358c865005855253af4f68a497John McCall Qualifiers::ObjCLifetime getObjCLifetime() const { 1115f85e193739c953358c865005855253af4f68a497John McCall return Quals.getObjCLifetime(); 1116f85e193739c953358c865005855253af4f68a497John McCall } 1117f85e193739c953358c865005855253af4f68a497John McCall 11183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall bool hasAddressSpace() const { return Quals.hasAddressSpace(); } 11193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned getAddressSpace() const { return Quals.getAddressSpace(); } 11203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 11213b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *getBaseType() const { return BaseType; } 11223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 11233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallpublic: 11243b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void Profile(llvm::FoldingSetNodeID &ID) const { 11253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Profile(ID, getBaseType(), Quals); 11263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 11273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall static void Profile(llvm::FoldingSetNodeID &ID, 11283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *BaseType, 11293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers Quals) { 11303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!Quals.hasFastQualifiers() && "fast qualifiers in ExtQuals hash!"); 11313b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ID.AddPointer(BaseType); 11323b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals.Profile(ID); 11333b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 11343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall}; 11353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 1136ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// \brief The kind of C++0x ref-qualifier associated with a function type, 1137ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// which determines whether a member function's "this" object can be an 1138c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor/// lvalue, rvalue, or neither. 1139c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregorenum RefQualifierKind { 1140c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief No ref-qualifier was provided. 1141c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RQ_None = 0, 1142c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief An lvalue ref-qualifier was provided (\c &). 1143c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RQ_LValue, 1144c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief An rvalue ref-qualifier was provided (\c &&). 1145c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RQ_RValue 1146c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor}; 1147ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 11485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Type - This is the base class of the type hierarchy. A central concept 11495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// with types is that each type always has a canonical type. A canonical type 11505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is the type with any typedef names stripped out of it or the types it 11515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// references. For example, consider: 11525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef int foo; 11545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef foo* bar; 11555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int *' 'foo *' 'bar' 11565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// There will be a Type object created for 'int'. Since int is canonical, its 11585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonicaltype pointer points to itself. There is also a Type for 'foo' (a 115972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypedefType). Its CanonicalType pointer points to the 'int' Type. Next 11605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// there is a PointerType that represents 'int*', which, like 'int', is 11615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonical. Finally, there is a PointerType type for 'foo*' whose canonical 116272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// type is 'int*', and there is a TypedefType for 'bar', whose canonical type 11635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is also 'int*'. 11645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Non-canonical types are useful for emitting diagnostics, without losing 11665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// information about typedefs being used. Canonical types are useful for type 11675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// comparisons (they allow by-pointer equality tests) and useful for reasoning 11685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// about whether something has a particular form (e.g. is a function type), 11695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// because they implicitly, recursively, strip all typedefs out of a type. 11705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Types, once created, are immutable. 11725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11731ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregorclass Type : public ExtQualsTypeCommonBase { 11745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum TypeClass { 117672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) Class, 117727935ee59c30b0d8b610ab676aab8e65350af932John McCall#define LAST_TYPE(Class) TypeLast = Class, 117872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 117972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 118072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor TagFirst = Record, TagLast = Enum 11815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 11821bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 11835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 1184c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Type(const Type&); // DO NOT IMPLEMENT. 1185c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void operator=(const Type&); // DO NOT IMPLEMENT. 1186c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 1187b870b88df784c2940efce448ebfaf54dece14666John McCall /// Bitfields required by the Type class. 1188b870b88df784c2940efce448ebfaf54dece14666John McCall class TypeBitfields { 1189b870b88df784c2940efce448ebfaf54dece14666John McCall friend class Type; 1190b7b2688bab0eac053d3e2938b329c8e523fd252bJohn McCall template <class T> friend class TypePropertyCache; 119127935ee59c30b0d8b610ab676aab8e65350af932John McCall 1192b870b88df784c2940efce448ebfaf54dece14666John McCall /// TypeClass bitfield - Enum that specifies what subclass this belongs to. 1193b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned TC : 8; 1194b870b88df784c2940efce448ebfaf54dece14666John McCall 1195b870b88df784c2940efce448ebfaf54dece14666John McCall /// Dependent - Whether this type is a dependent type (C++ [temp.dep.type]). 1196bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned Dependent : 1; 1197ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1198ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Whether this type somehow involves a template parameter, even 1199561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// if the resolution of the type does not depend on a template parameter. 1200561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor unsigned InstantiationDependent : 1; 1201ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1202b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Whether this type is a variably-modified type (C99 6.7.5). 1203bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned VariablyModified : 1; 1204d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 1205d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Whether this type contains an unexpanded parameter pack 1206d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// (for C++0x variadic templates). 1207d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned ContainsUnexpandedParameterPack : 1; 1208ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 12091fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Nonzero if the cache (i.e. the bitfields here starting 12101fb0caaa7bef765b85972274e3b434af2572c141John McCall /// with 'Cache') is valid. If so, then this is a 12111fb0caaa7bef765b85972274e3b434af2572c141John McCall /// LangOptions::VisibilityMode+1. 12121fb0caaa7bef765b85972274e3b434af2572c141John McCall mutable unsigned CacheValidAndVisibility : 2; 1213ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1214093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola /// \brief True if the visibility was set explicitly in the source code. 1215093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola mutable unsigned CachedExplicitVisibility : 1; 1216093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola 1217b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Linkage of this type. 1218b870b88df784c2940efce448ebfaf54dece14666John McCall mutable unsigned CachedLinkage : 2; 121907a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1220ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Whether this type involves and local or unnamed types. 1221bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet mutable unsigned CachedLocalOrUnnamed : 1; 1222ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1223b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief FromAST - Whether this type comes from an AST file. 1224bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet mutable unsigned FromAST : 1; 1225b870b88df784c2940efce448ebfaf54dece14666John McCall 12261fb0caaa7bef765b85972274e3b434af2572c141John McCall bool isCacheValid() const { 12271fb0caaa7bef765b85972274e3b434af2572c141John McCall return (CacheValidAndVisibility != 0); 12281fb0caaa7bef765b85972274e3b434af2572c141John McCall } 12291fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility getVisibility() const { 12301fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 12311fb0caaa7bef765b85972274e3b434af2572c141John McCall return static_cast<Visibility>(CacheValidAndVisibility-1); 12321fb0caaa7bef765b85972274e3b434af2572c141John McCall } 1233093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola bool isVisibilityExplicit() const { 1234093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola assert(isCacheValid() && "getting linkage from invalid cache"); 1235093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola return CachedExplicitVisibility; 1236093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola } 12371fb0caaa7bef765b85972274e3b434af2572c141John McCall Linkage getLinkage() const { 12381fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 12391fb0caaa7bef765b85972274e3b434af2572c141John McCall return static_cast<Linkage>(CachedLinkage); 12401fb0caaa7bef765b85972274e3b434af2572c141John McCall } 12411fb0caaa7bef765b85972274e3b434af2572c141John McCall bool hasLocalOrUnnamedType() const { 12421fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 12431fb0caaa7bef765b85972274e3b434af2572c141John McCall return CachedLocalOrUnnamed; 12441fb0caaa7bef765b85972274e3b434af2572c141John McCall } 1245b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1246093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola enum { NumTypeBits = 19 }; 1247b870b88df784c2940efce448ebfaf54dece14666John McCall 1248b870b88df784c2940efce448ebfaf54dece14666John McCallprotected: 1249b870b88df784c2940efce448ebfaf54dece14666John McCall // These classes allow subclasses to somewhat cleanly pack bitfields 1250b870b88df784c2940efce448ebfaf54dece14666John McCall // into Type. 1251b870b88df784c2940efce448ebfaf54dece14666John McCall 1252b870b88df784c2940efce448ebfaf54dece14666John McCall class ArrayTypeBitfields { 1253b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ArrayType; 1254b870b88df784c2940efce448ebfaf54dece14666John McCall 1255b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1256b870b88df784c2940efce448ebfaf54dece14666John McCall 1257b870b88df784c2940efce448ebfaf54dece14666John McCall /// IndexTypeQuals - CVR qualifiers from declarations like 1258b870b88df784c2940efce448ebfaf54dece14666John McCall /// 'int X[static restrict 4]'. For function parameters only. 1259b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned IndexTypeQuals : 3; 1260b870b88df784c2940efce448ebfaf54dece14666John McCall 1261b870b88df784c2940efce448ebfaf54dece14666John McCall /// SizeModifier - storage class qualifiers from declarations like 1262b870b88df784c2940efce448ebfaf54dece14666John McCall /// 'int X[static restrict 4]'. For function parameters only. 1263b870b88df784c2940efce448ebfaf54dece14666John McCall /// Actually an ArrayType::ArraySizeModifier. 1264b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned SizeModifier : 3; 1265b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1266b870b88df784c2940efce448ebfaf54dece14666John McCall 1267b870b88df784c2940efce448ebfaf54dece14666John McCall class BuiltinTypeBitfields { 1268b870b88df784c2940efce448ebfaf54dece14666John McCall friend class BuiltinType; 1269b870b88df784c2940efce448ebfaf54dece14666John McCall 1270b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1271b870b88df784c2940efce448ebfaf54dece14666John McCall 1272b870b88df784c2940efce448ebfaf54dece14666John McCall /// The kind (BuiltinType::Kind) of builtin type this is. 1273b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned Kind : 8; 1274b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1275b870b88df784c2940efce448ebfaf54dece14666John McCall 1276b870b88df784c2940efce448ebfaf54dece14666John McCall class FunctionTypeBitfields { 1277b870b88df784c2940efce448ebfaf54dece14666John McCall friend class FunctionType; 1278b870b88df784c2940efce448ebfaf54dece14666John McCall 1279b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1280b870b88df784c2940efce448ebfaf54dece14666John McCall 1281b870b88df784c2940efce448ebfaf54dece14666John McCall /// Extra information which affects how the function is called, like 1282b870b88df784c2940efce448ebfaf54dece14666John McCall /// regparm and the calling convention. 12837e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor unsigned ExtInfo : 8; 1284b870b88df784c2940efce448ebfaf54dece14666John McCall 1285b870b88df784c2940efce448ebfaf54dece14666John McCall /// TypeQuals - Used only by FunctionProtoType, put here to pack with the 1286b870b88df784c2940efce448ebfaf54dece14666John McCall /// other bitfields. 1287b870b88df784c2940efce448ebfaf54dece14666John McCall /// The qualifiers are part of FunctionProtoType because... 1288b870b88df784c2940efce448ebfaf54dece14666John McCall /// 1289b870b88df784c2940efce448ebfaf54dece14666John McCall /// C++ 8.3.5p4: The return type, the parameter type list and the 1290b870b88df784c2940efce448ebfaf54dece14666John McCall /// cv-qualifier-seq, [...], are part of the function type. 1291b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned TypeQuals : 3; 1292ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1293c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief The ref-qualifier associated with a \c FunctionProtoType. 1294c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// 1295c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// This is a value of type \c RefQualifierKind. 1296c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor unsigned RefQualifier : 2; 1297b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1298b870b88df784c2940efce448ebfaf54dece14666John McCall 1299b870b88df784c2940efce448ebfaf54dece14666John McCall class ObjCObjectTypeBitfields { 1300b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ObjCObjectType; 1301b870b88df784c2940efce448ebfaf54dece14666John McCall 1302b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1303b870b88df784c2940efce448ebfaf54dece14666John McCall 1304b870b88df784c2940efce448ebfaf54dece14666John McCall /// NumProtocols - The number of protocols stored directly on this 1305b870b88df784c2940efce448ebfaf54dece14666John McCall /// object type. 1306b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned NumProtocols : 32 - NumTypeBits; 1307b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1308b870b88df784c2940efce448ebfaf54dece14666John McCall 1309b870b88df784c2940efce448ebfaf54dece14666John McCall class ReferenceTypeBitfields { 1310b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ReferenceType; 1311b870b88df784c2940efce448ebfaf54dece14666John McCall 1312b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1313b870b88df784c2940efce448ebfaf54dece14666John McCall 1314b870b88df784c2940efce448ebfaf54dece14666John McCall /// True if the type was originally spelled with an lvalue sigil. 1315b870b88df784c2940efce448ebfaf54dece14666John McCall /// This is never true of rvalue references but can also be false 1316b870b88df784c2940efce448ebfaf54dece14666John McCall /// on lvalue references because of C++0x [dcl.typedef]p9, 1317b870b88df784c2940efce448ebfaf54dece14666John McCall /// as follows: 1318b870b88df784c2940efce448ebfaf54dece14666John McCall /// 1319b870b88df784c2940efce448ebfaf54dece14666John McCall /// typedef int &ref; // lvalue, spelled lvalue 1320b870b88df784c2940efce448ebfaf54dece14666John McCall /// typedef int &&rvref; // rvalue 1321b870b88df784c2940efce448ebfaf54dece14666John McCall /// ref &a; // lvalue, inner ref, spelled lvalue 1322b870b88df784c2940efce448ebfaf54dece14666John McCall /// ref &&a; // lvalue, inner ref 1323b870b88df784c2940efce448ebfaf54dece14666John McCall /// rvref &a; // lvalue, inner ref, spelled lvalue 1324b870b88df784c2940efce448ebfaf54dece14666John McCall /// rvref &&a; // rvalue, inner ref 1325bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned SpelledAsLValue : 1; 1326b870b88df784c2940efce448ebfaf54dece14666John McCall 1327b870b88df784c2940efce448ebfaf54dece14666John McCall /// True if the inner type is a reference type. This only happens 1328b870b88df784c2940efce448ebfaf54dece14666John McCall /// in non-canonical forms. 1329bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned InnerRef : 1; 1330b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1331b870b88df784c2940efce448ebfaf54dece14666John McCall 133277be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall class TypeWithKeywordBitfields { 133377be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall friend class TypeWithKeyword; 133477be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 133577be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned : NumTypeBits; 133677be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 133777be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall /// An ElaboratedTypeKeyword. 8 bits for efficient access. 133877be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned Keyword : 8; 133977be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall }; 134077be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 1341b870b88df784c2940efce448ebfaf54dece14666John McCall class VectorTypeBitfields { 1342b870b88df784c2940efce448ebfaf54dece14666John McCall friend class VectorType; 134307a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1344b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 134571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 1346e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson /// VecKind - The kind of vector, either a generic vector type or some 1347e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson /// target-specific vector type such as for AltiVec or Neon. 1348cc3b946c35c4372272034e6f0663089477a9a5bdBob Wilson unsigned VecKind : 3; 1349b870b88df784c2940efce448ebfaf54dece14666John McCall 1350b870b88df784c2940efce448ebfaf54dece14666John McCall /// NumElements - The number of elements in the vector. 1351cc3b946c35c4372272034e6f0663089477a9a5bdBob Wilson unsigned NumElements : 29 - NumTypeBits; 1352b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1353b870b88df784c2940efce448ebfaf54dece14666John McCall 13549d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall class AttributedTypeBitfields { 13559d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall friend class AttributedType; 13569d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 13579d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall unsigned : NumTypeBits; 13589d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 13599d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall /// AttrKind - an AttributedType::Kind 13609d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall unsigned AttrKind : 32 - NumTypeBits; 13619d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall }; 13629d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 1363b870b88df784c2940efce448ebfaf54dece14666John McCall union { 1364b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBitfields TypeBits; 1365b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBitfields ArrayTypeBits; 13669d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedTypeBitfields AttributedTypeBits; 1367b870b88df784c2940efce448ebfaf54dece14666John McCall BuiltinTypeBitfields BuiltinTypeBits; 1368b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBitfields FunctionTypeBits; 1369b870b88df784c2940efce448ebfaf54dece14666John McCall ObjCObjectTypeBitfields ObjCObjectTypeBits; 1370b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBitfields ReferenceTypeBits; 137177be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall TypeWithKeywordBitfields TypeWithKeywordBits; 1372b870b88df784c2940efce448ebfaf54dece14666John McCall VectorTypeBitfields VectorTypeBits; 1373b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1374b870b88df784c2940efce448ebfaf54dece14666John McCall 1375b870b88df784c2940efce448ebfaf54dece14666John McCallprivate: 13763c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Set whether this type comes from an AST file. 1377ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie void setFromAST(bool V = true) const { 1378b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.FromAST = V; 137907a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl } 138007a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1381b7b2688bab0eac053d3e2938b329c8e523fd252bJohn McCall template <class T> friend class TypePropertyCache; 13821fb0caaa7bef765b85972274e3b434af2572c141John McCall 13835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 1384124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser // silence VC++ warning C4355: 'this' : used in base member initializer list 1385124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser Type *this_() { return this; } 1386ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Type(TypeClass tc, QualType canon, bool Dependent, 1387561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool InstantiationDependent, bool VariablyModified, 1388d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool ContainsUnexpandedParameterPack) 13893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall : ExtQualsTypeCommonBase(this, 13903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon.isNull() ? QualType(this_(), 0) : canon) { 1391b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.TC = tc; 1392b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.Dependent = Dependent; 1393561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor TypeBits.InstantiationDependent = Dependent || InstantiationDependent; 1394b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.VariablyModified = VariablyModified; 1395d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor TypeBits.ContainsUnexpandedParameterPack = ContainsUnexpandedParameterPack; 13961fb0caaa7bef765b85972274e3b434af2572c141John McCall TypeBits.CacheValidAndVisibility = 0; 1397093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola TypeBits.CachedExplicitVisibility = false; 1398b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.CachedLocalOrUnnamed = false; 1399b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.CachedLinkage = NoLinkage; 1400b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.FromAST = false; 1401b870b88df784c2940efce448ebfaf54dece14666John McCall } 14025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; 14031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1404ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie void setDependent(bool D = true) { 1405ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeBits.Dependent = D; 1406561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (D) 1407561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor TypeBits.InstantiationDependent = true; 1408561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor } 1409ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie void setInstantiationDependent(bool D = true) { 1410561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor TypeBits.InstantiationDependent = D; } 1411ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie void setVariablyModified(bool VM = true) { TypeBits.VariablyModified = VM; 1412561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor } 1413d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor void setContainsUnexpandedParameterPack(bool PP = true) { 1414d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor TypeBits.ContainsUnexpandedParameterPack = PP; 1415d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 1416d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 14178b9023ba35a86838789e2c9034a6128728c547aaChris Lattnerpublic: 1418b870b88df784c2940efce448ebfaf54dece14666John McCall TypeClass getTypeClass() const { return static_cast<TypeClass>(TypeBits.TC); } 14191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14203c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Whether this type comes from an AST file. 1421b870b88df784c2940efce448ebfaf54dece14666John McCall bool isFromAST() const { return TypeBits.FromAST; } 142207a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1423d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Whether this type is or contains an unexpanded parameter 1424d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// pack, used to support C++0x variadic templates. 1425d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 1426d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// A type that contains a parameter pack shall be expanded by the 1427d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// ellipsis operator at some point. For example, the typedef in the 1428d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// following example contains an unexpanded parameter pack 'T': 1429d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 1430d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \code 1431d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// template<typename ...T> 1432d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// struct X { 1433d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// typedef T* pointer_types; // ill-formed; T is a parameter pack. 1434d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// }; 1435d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \endcode 1436d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 1437ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// Note that this routine does not specify which 1438ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie bool containsUnexpandedParameterPack() const { 1439d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return TypeBits.ContainsUnexpandedParameterPack; 1440d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 1441d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 14423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// Determines if this type would be canonical if it had no further 14433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// qualification. 1444467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonicalUnqualified() const { 14453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return CanonicalType == QualType(this, 0); 1446467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall } 14475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1448200fa53fd420aa8369586f569dbece04930ad6a3John McCall /// Pull a single level of sugar off of this locally-unqualified type. 1449200fa53fd420aa8369586f569dbece04930ad6a3John McCall /// Users should generally prefer SplitQualType::getSingleStepDesugaredType() 1450200fa53fd420aa8369586f569dbece04930ad6a3John McCall /// or QualType::getSingleStepDesugaredType(const ASTContext&). 1451200fa53fd420aa8369586f569dbece04930ad6a3John McCall QualType getLocallyUnqualifiedSingleStepDesugaredType() const; 1452200fa53fd420aa8369586f569dbece04930ad6a3John McCall 14531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Types are partitioned into 3 broad categories (C99 6.2.5p1): 14545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// object types, function types, and incomplete types. 14551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIncompleteType - Return true if this is an incomplete type. 14575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// A type that can describe objects, but which lacks information needed to 14585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// determine its size (e.g. void, or a fwd declared struct). Clients of this 14591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// routine will need to determine if the size is actually required. 1460d07cc36c71558b62889691184dd04655a33fd12aDouglas Gregor /// 1461d07cc36c71558b62889691184dd04655a33fd12aDouglas Gregor /// \brief Def If non-NULL, and the type refers to some kind of declaration 1462d07cc36c71558b62889691184dd04655a33fd12aDouglas Gregor /// that can be completed (such as a C struct, C++ class, or Objective-C 1463d07cc36c71558b62889691184dd04655a33fd12aDouglas Gregor /// class), will be set to the declaration. 1464d07cc36c71558b62889691184dd04655a33fd12aDouglas Gregor bool isIncompleteType(NamedDecl **Def = 0) const; 1465d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner 1466d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// isIncompleteOrObjectType - Return true if this is an incomplete or object 1467d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// type, in other words, not a function type. 1468d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner bool isIncompleteOrObjectType() const { 1469d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner return !isFunctionType(); 1470d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner } 1471ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 14722fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor /// \brief Determine whether this type is an object type. 14732fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor bool isObjectType() const { 14742fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor // C++ [basic.types]p8: 1475ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie // An object type is a (possibly cv-qualified) type that is not a 14762fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor // function type, not a reference type, and not a void type. 14772fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor return !isReferenceType() && !isFunctionType() && !isVoidType(); 14782fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor } 147964b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 1480ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// isLiteralType - Return true if this is a literal type 1481ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// (C++0x [basic.types]p10) 1482ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl bool isLiteralType() const; 1483ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl 1484636a617cc6021a4366380b3ce673f4472f3d99dbChandler Carruth /// \brief Test if this type is a standard-layout type. 1485636a617cc6021a4366380b3ce673f4472f3d99dbChandler Carruth /// (C++0x [basic.type]p9) 1486636a617cc6021a4366380b3ce673f4472f3d99dbChandler Carruth bool isStandardLayoutType() const; 1487636a617cc6021a4366380b3ce673f4472f3d99dbChandler Carruth 14885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Helper methods to distinguish type categories. All type predicates 1489ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// operate on the canonical type, ignoring typedefs and qualifiers. 1490e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 14919b065ddabf572772991a4aadad5bf4921fac5069Tom Care /// isBuiltinType - returns true if the type is a builtin type. 14929b065ddabf572772991a4aadad5bf4921fac5069Tom Care bool isBuiltinType() const; 14939b065ddabf572772991a4aadad5bf4921fac5069Tom Care 1494e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar /// isSpecificBuiltinType - Test for a particular builtin type. 1495e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar bool isSpecificBuiltinType(unsigned K) const; 14961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14972a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// isPlaceholderType - Test for a type which does not represent an 14982a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// actual type-system type but is instead used as a placeholder for 14992a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// various convenient purposes within Clang. All such types are 15002a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// BuiltinTypes. 15012a984cad5ac3fdceeff2bd99daa7b90979313475John McCall bool isPlaceholderType() const; 1502a180f04c091bf3ede4fe292ba6a29d61da09e936John McCall const BuiltinType *getAsPlaceholderType() const; 15032a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 1504864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// isSpecificPlaceholderType - Test for a specific placeholder type. 1505864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall bool isSpecificPlaceholderType(unsigned K) const; 1506864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 150732509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall /// isNonOverloadPlaceholderType - Test for a placeholder type 150832509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall /// other than Overload; see BuiltinType::isNonOverloadPlaceholderType. 150932509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall bool isNonOverloadPlaceholderType() const; 151032509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall 151196d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isIntegerType() does *not* include complex integers (a GCC extension). 151296d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isComplexIntegerType() can be used to test for complex integers. 15135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIntegerType() const; // C99 6.2.5p17 (int, char, bool, enum) 151413b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isEnumeralType() const; 151513b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isBooleanType() const; 151613b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isCharType() const; 151777a52233f7c0f162672652051bfe78b65ad4f789Douglas Gregor bool isWideCharType() const; 15185cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor bool isChar16Type() const; 15195cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor bool isChar32Type() const; 152020093b4bf698f292c664676987541d5103b65b15Douglas Gregor bool isAnyCharacterType() const; 15219d3347a5887d2d25afe8b0bd35783a72ec86cce2Douglas Gregor bool isIntegralType(ASTContext &Ctx) const; 1522ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 15232ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor /// \brief Determine whether this type is an integral or enumeration type. 15242ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor bool isIntegralOrEnumerationType() const; 15251274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor /// \brief Determine whether this type is an integral or unscoped enumeration 15261274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor /// type. 15271274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor bool isIntegralOrUnscopedEnumerationType() const; 1528ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 15295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Floating point categories. 15305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealFloatingType() const; // C99 6.2.5p10 (float, double, long double) 153102f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexType() does *not* include complex integers (a GCC extension). 153202f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexIntegerType() can be used to test for complex integers. 15335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isComplexType() const; // C99 6.2.5p11 (complex) 1534f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner bool isAnyComplexType() const; // C99 6.2.5p11 (complex) + Complex Int. 15355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isFloatingType() const; // C99 6.2.5p11 (real floating + complex) 1536aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov bool isHalfType() const; // OpenCL 6.1.1.1, NEON (IEEE 754-2008 half) 15375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealType() const; // C99 6.2.5p17 (real floating + integer) 15385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArithmeticType() const; // C99 6.2.5p18 (integer + floating) 1539c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isVoidType() const; // C99 6.2.5p19 1540c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isDerivedType() const; // C99 6.2.5p20 1541c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isScalarType() const; // C99 6.2.5p21 (arithmetic + pointers) 1542d7eb846aaf5ee4a8d22c3cd0796d1e7229d46013Douglas Gregor bool isAggregateType() const; 1543aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth bool isFundamentalType() const; 1544aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth bool isCompoundType() const; 15451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1546c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Predicates: Check to see if this type is structurally the specified 1547ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb // type, ignoring typedefs and qualifiers. 1548c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isFunctionType() const; 1549183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionNoProtoType() const { return getAs<FunctionNoProtoType>(); } 1550183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionProtoType() const { return getAs<FunctionProtoType>(); } 1551befee48ff2a1dab236c5700f00ecca1cfdcd5837Chris Lattner bool isPointerType() const; 155258f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff bool isAnyPointerType() const; // Any C pointer or ObjC object pointer 15535618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff bool isBlockPointerType() const; 15547154a77e7c1f23418342d3b72836ab504aa7821eSteve Naroff bool isVoidPointerType() const; 1555a1d9fdea79ba7bbd71862b9f9f78f5f117331fc7Chris Lattner bool isReferenceType() const; 15567c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isLValueReferenceType() const; 15577c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isRValueReferenceType() const; 1558bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner bool isFunctionPointerType() const; 1559f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberPointerType() const; 1560f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberFunctionPointerType() const; 1561db68e28c05a67735211e688009890cf834c22e75Douglas Gregor bool isMemberDataPointerType() const; 1562c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isArrayType() const; 1563c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isConstantArrayType() const; 1564c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isIncompleteArrayType() const; 1565c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isVariableArrayType() const; 1566898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool isDependentSizedArrayType() const; 1567c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isRecordType() const; 15681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isClassType() const; 15691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isStructureType() const; 15706666ed4ed2e2bc13da5ac5d0a4947019137d45beJoao Matos bool isInterfaceType() const; 1571fb87b89fc9eb103e19fb8e4b925c23f0bd091b99Douglas Gregor bool isStructureOrClassType() const; 15724cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff bool isUnionType() const; 1573368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isComplexIntegerType() const; // GCC _Complex integer type. 1574368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isVectorType() const; // GCC vector type. 1575213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman bool isExtVectorType() const; // Extended vector type. 1576f85e193739c953358c865005855253af4f68a497John McCall bool isObjCObjectPointerType() const; // pointer to ObjC object 1577f85e193739c953358c865005855253af4f68a497John McCall bool isObjCRetainableType() const; // ObjC object or block pointer 1578f85e193739c953358c865005855253af4f68a497John McCall bool isObjCLifetimeType() const; // (array of)* retainable type 1579f85e193739c953358c865005855253af4f68a497John McCall bool isObjCIndirectLifetimeType() const; // (pointer to)* lifetime type 1580f85e193739c953358c865005855253af4f68a497John McCall bool isObjCNSObjectType() const; // __attribute__((NSObject)) 158114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // FIXME: change this to 'raw' interface type, so we can used 'interface' type 158214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for the common case. 1583c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCObjectType() const; // NSString or typeof(*(id)0) 1584368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedInterfaceType() const; // NSString<foo> 1585368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedIdType() const; // id<foo> 1586470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const; // Class<foo> 1587569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor bool isObjCObjectOrInterfaceType() const; 158814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const; // id 158914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const; // Class 159013dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian bool isObjCSelType() const; // Class 1591de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff bool isObjCBuiltinType() const; // 'id' or 'Class' 1592f85e193739c953358c865005855253af4f68a497John McCall bool isObjCARCBridgableType() const; 1593f85e193739c953358c865005855253af4f68a497John McCall bool isCARCBridgableType() const; 159472c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor bool isTemplateTypeParmType() const; // C++ template type parameter 15956e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl bool isNullPtrType() const; // C++0x nullptr_t 1596ffbe9b9c64ab2e94b9d48ec56e511f75826fc80aBenjamin Kramer bool isAtomicType() const; // C11 _Atomic() 1597898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1598f85e193739c953358c865005855253af4f68a497John McCall /// Determines if this type, which must satisfy 1599f85e193739c953358c865005855253af4f68a497John McCall /// isObjCLifetimeType(), is implicitly __unsafe_unretained rather 1600f85e193739c953358c865005855253af4f68a497John McCall /// than implicitly __strong. 1601f85e193739c953358c865005855253af4f68a497John McCall bool isObjCARCImplicitlyUnretainedType() const; 1602f85e193739c953358c865005855253af4f68a497John McCall 1603f85e193739c953358c865005855253af4f68a497John McCall /// Return the implicit lifetime for this type, which must not be dependent. 1604f85e193739c953358c865005855253af4f68a497John McCall Qualifiers::ObjCLifetime getObjCARCImplicitLifetime() const; 1605f85e193739c953358c865005855253af4f68a497John McCall 1606daa8e4e888758d55a7a759dd4a91b83921cef222John McCall enum ScalarTypeKind { 16071d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall STK_CPointer, 16081d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall STK_BlockPointer, 16091d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall STK_ObjCObjectPointer, 1610daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_MemberPointer, 1611daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Bool, 1612daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Integral, 1613daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Floating, 1614daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_IntegralComplex, 1615daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_FloatingComplex 1616daa8e4e888758d55a7a759dd4a91b83921cef222John McCall }; 1617daa8e4e888758d55a7a759dd4a91b83921cef222John McCall /// getScalarTypeKind - Given that this is a scalar type, classify it. 1618daa8e4e888758d55a7a759dd4a91b83921cef222John McCall ScalarTypeKind getScalarTypeKind() const; 1619daa8e4e888758d55a7a759dd4a91b83921cef222John McCall 1620898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// isDependentType - Whether this type is a dependent type, meaning 16211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// that its definition somehow depends on a template parameter 1622898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// (C++ [temp.dep.type]). 1623b870b88df784c2940efce448ebfaf54dece14666John McCall bool isDependentType() const { return TypeBits.Dependent; } 1624ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1625561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// \brief Determine whether this type is an instantiation-dependent type, 1626561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// meaning that the type involves a template parameter (even if the 1627561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// definition does not actually depend on the type substituted for that 1628561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// template parameter). 1629ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie bool isInstantiationDependentType() const { 1630ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return TypeBits.InstantiationDependent; 1631561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor } 1632ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 163335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /// \brief Whether this type is a variably-modified type (C99 6.7.5). 1634b870b88df784c2940efce448ebfaf54dece14666John McCall bool isVariablyModifiedType() const { return TypeBits.VariablyModified; } 16353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 16363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// \brief Whether this type involves a variable-length array type 16373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// with a definite size. 16383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall bool hasSizedVLAType() const; 1639ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1640db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor /// \brief Whether this type is or contains a local or unnamed type. 1641db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor bool hasUnnamedOrLocalType() const; 1642ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1643063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor bool isOverloadableType() const; 164472c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 16454033642464e8ba0982f88f34cffad808d247b393Douglas Gregor /// \brief Determine wither this type is a C++ elaborated-type-specifier. 16464033642464e8ba0982f88f34cffad808d247b393Douglas Gregor bool isElaboratedTypeSpecifier() const; 1647bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth 1648bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth bool canDecayToPointerType() const; 1649ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 16508958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// hasPointerRepresentation - Whether this type is represented 16518958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// natively as a pointer; this includes pointers, references, block 16528958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// pointers, and Objective-C interface, qualified id, and qualified 16536e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl /// interface types, as well as nullptr_t. 16548958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar bool hasPointerRepresentation() const; 16558958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 1656820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// hasObjCPointerRepresentation - Whether this type can represent 1657820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// an objective pointer type for the purpose of GC'ability 16581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool hasObjCPointerRepresentation() const; 1659820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 1660f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an integer representation 1661f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an integer type or a vector. 1662f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasIntegerRepresentation() const; 1663f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1664f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an signed integer representation 1665f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an signed integer type or a vector. 1666f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasSignedIntegerRepresentation() const; 1667f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1668f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an unsigned integer representation 1669f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an unsigned integer type or a vector. 1670f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasUnsignedIntegerRepresentation() const; 1671f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 16728eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// \brief Determine whether this type has a floating-point representation 16738eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// of some sort, e.g., it is a floating-point type or a vector thereof. 16748eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor bool hasFloatingRepresentation() const; 1675f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1676c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Checking Functions: Check to see if this type is structurally the 1677f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // specified type, ignoring typedefs and qualifiers, and return a pointer to 1678f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // the best type we can. 1679769c9cfc6e06bd9d8ffe7a4397b939f19b0e4dc3Ted Kremenek const RecordType *getAsStructureType() const; 1680898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// NOTE: getAs*ArrayType are methods on ASTContext. 1681c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner const RecordType *getAsUnionType() const; 16824cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff const ComplexType *getAsComplexIntegerType() const; // GCC complex int type. 168314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // The following is a convenience method that returns an ObjCObjectPointerType 168414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for object declared using an interface. 168514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCInterfacePointerType() const; 168614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCQualifiedIdType() const; 1687759abb4d9ec14ae32104a9677b60f0542b60d1d8Fariborz Jahanian const ObjCObjectPointerType *getAsObjCQualifiedClassType() const; 1688c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getAsObjCQualifiedInterfaceType() const; 1689a91d6a6619a91d0ca7102d8ab5678d855f04d850Fariborz Jahanian const CXXRecordDecl *getCXXRecordDeclForPointerType() const; 16901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1691c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// \brief Retrieves the CXXRecordDecl that this type refers to, either 1692ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// because the type is a RecordType or because it is the injected-class-name 1693c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// type of a class template or class template partial specialization. 1694c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor CXXRecordDecl *getAsCXXRecordDecl() const; 169534b41d939a1328f484511c6002ba2456db879a29Richard Smith 169634b41d939a1328f484511c6002ba2456db879a29Richard Smith /// \brief Get the AutoType whose type will be deduced for a variable with 169734b41d939a1328f484511c6002ba2456db879a29Richard Smith /// an initializer of this type. This looks through declarators like pointer 169834b41d939a1328f484511c6002ba2456db879a29Richard Smith /// types, but not through decltype or typedefs. 169934b41d939a1328f484511c6002ba2456db879a29Richard Smith AutoType *getContainedAutoType() const; 1700ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1701d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// Member-template getAs<specific type>'. Look through sugar for 1702222bc3c25b12fc0cf55175975dc4c25d7e1fac78James Dennett /// an instance of \<specific type>. This scheme will eventually 1703d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// replace the specific getAsXXXX methods above. 1704d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// 1705d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// There are some specializations of this member template listed 1706d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// immediately following this class. 17071a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek template <typename T> const T *getAs() const; 17081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// A variant of getAs<> for array types which silently discards 17103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// qualifiers from the outermost type. 17113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *getAsArrayTypeUnsafe() const; 17123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 1713d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// Member-template castAs<specific type>. Look through sugar for 171486290333420dea36e41afb664884fc45ac7677a8James Dennett /// the underlying instance of \<specific type>. 1715d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// 1716d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// This method has the same relationship to getAs<T> as cast<T> has 1717d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// to dyn_cast<T>; which is to say, the underlying type *must* 1718d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// have the intended type, and this method will never return null. 1719d0370f59e79702ac908c81bf556519f91e9ca297John McCall template <typename T> const T *castAs() const; 1720d0370f59e79702ac908c81bf556519f91e9ca297John McCall 1721d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// A variant of castAs<> for array type which silently discards 1722d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// qualifiers from the outermost type. 1723d0370f59e79702ac908c81bf556519f91e9ca297John McCall const ArrayType *castAsArrayTypeUnsafe() const; 1724d0370f59e79702ac908c81bf556519f91e9ca297John McCall 1725d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// getBaseElementTypeUnsafe - Get the base element type of this 1726d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// type, potentially discarding type qualifiers. This method 1727d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// should never be used when type qualifiers are meaningful. 1728d0370f59e79702ac908c81bf556519f91e9ca297John McCall const Type *getBaseElementTypeUnsafe() const; 1729d0370f59e79702ac908c81bf556519f91e9ca297John McCall 1730c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// getArrayElementTypeNoTypeQual - If this is an array type, return the 1731c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// element type of the array, potentially with type qualifiers missing. 1732c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// This method should never be used when type qualifiers are meaningful. 1733c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const Type *getArrayElementTypeNoTypeQual() const; 17341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1735f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// getPointeeType - If this is a pointer, ObjC object pointer, or block 1736f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// pointer, this returns the respective pointee. 173714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const; 17381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1739bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// getUnqualifiedDesugaredType() - Return the specified type with 1740bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// any "sugar" removed from the type, removing any typedefs, 1741bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// typeofs, etc., as well as any qualifiers. 1742bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall const Type *getUnqualifiedDesugaredType() const; 17431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// More type predicates useful for type checking/promotion 17455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPromotableIntegerType() const; // C99 6.3.1.1p2 17465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isSignedIntegerType - Return true if this is an integer type that is 1748d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// signed, according to C99 6.2.5p4 [char, signed char, short, int, long..], 17495f3827cabd526d0dd5f291d46c310103cebe7a44Eli Friedman /// or an enum decl which has a signed representation. 17505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSignedIntegerType() const; 17515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isUnsignedIntegerType - Return true if this is an integer type that is 1753ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// unsigned, according to C99 6.2.5p6 [which returns true for _Bool], 17545f3827cabd526d0dd5f291d46c310103cebe7a44Eli Friedman /// or an enum decl which has an unsigned representation. 17555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isUnsignedIntegerType() const; 1756d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner 1757ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// Determines whether this is an integer type that is signed or an 1758575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor /// enumeration types whose underlying type is a signed integer type. 1759575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor bool isSignedIntegerOrEnumerationType() const; 1760ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1761ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// Determines whether this is an integer type that is unsigned or an 1762575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor /// enumeration types whose underlying type is a unsigned integer type. 1763575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor bool isUnsignedIntegerOrEnumerationType() const; 1764575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor 17655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isConstantSizeType - Return true if this is not a variable sized type, 17669bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// according to the rules of C99 6.7.5p3. It is not legal to call this on 17679bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// incomplete types. 17683c2b3170041f69a92904e3bab9b6d654eaf260acEli Friedman bool isConstantSizeType() const; 1769c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 177022b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// isSpecifierType - Returns true if this type can be represented by some 177122b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// set of type specifiers. 177222b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman bool isSpecifierType() const; 177322b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman 17740b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor /// \brief Determine the linkage of this type. 177560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor Linkage getLinkage() const; 17761fb0caaa7bef765b85972274e3b434af2572c141John McCall 17771fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Determine the visibility of this type. 17781fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility getVisibility() const; 17791fb0caaa7bef765b85972274e3b434af2572c141John McCall 1780093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola /// \brief Return true if the visibility was explicitly set is the code. 1781093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola bool isVisibilityExplicit() const; 1782093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola 17831fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Determine the linkage and visibility of this type. 17841fb0caaa7bef765b85972274e3b434af2572c141John McCall std::pair<Linkage,Visibility> getLinkageAndVisibility() const; 1785ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 178660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor /// \brief Note that the linkage is no longer known. 178760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor void ClearLinkageCache(); 1788ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 178960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor const char *getTypeClassName() const; 17900b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1791ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall QualType getCanonicalTypeInternal() const { 1792ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall return CanonicalType; 1793ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall } 1794ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall CanQualType getCanonicalTypeUnqualified() const; // in CanonicalType.h 1795b5f2c419842d016892b9c976d4d6e91880e0e43aArgyrios Kyrtzidis LLVM_ATTRIBUTE_USED void dump() const; 1796f85e193739c953358c865005855253af4f68a497John McCall 17975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *) { return true; } 1798be191100e034b23a3e13053757a57b7f5068c24aArgyrios Kyrtzidis 1799c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; 1800a4232eb646d89e7d52424bb42eb87d9061f39e63Sebastian Redl friend class ASTWriter; 18015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 18025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18032df1a5819fd98708ff3b4772f3477f6c1a8da59aArgyrios Kyrtzidis/// \brief This will check for a TypedefType by removing any existing sugar 18042df1a5819fd98708ff3b4772f3477f6c1a8da59aArgyrios Kyrtzidis/// until it reaches a TypedefType or a non-sugared type. 18052df1a5819fd98708ff3b4772f3477f6c1a8da59aArgyrios Kyrtzidistemplate <> const TypedefType *Type::getAs() const; 1806183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1807183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// We can do canonical leaf types faster, because we don't have to 1808183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// worry about preserving child type decoration. 1809183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define TYPE(Class, Base) 1810183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define LEAF_TYPE(Class) \ 1811183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const Class##Type *Type::getAs() const { \ 18120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return dyn_cast<Class##Type>(CanonicalType); \ 1813d0370f59e79702ac908c81bf556519f91e9ca297John McCall} \ 1814d0370f59e79702ac908c81bf556519f91e9ca297John McCalltemplate <> inline const Class##Type *Type::castAs() const { \ 1815d0370f59e79702ac908c81bf556519f91e9ca297John McCall return cast<Class##Type>(CanonicalType); \ 1816183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1817183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#include "clang/AST/TypeNodes.def" 1818183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1819183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 18205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BuiltinType - This class is used for builtin types like 'int'. Builtin 18215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types are always canonical and have a literal name field. 18225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BuiltinType : public Type { 18235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 18245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Kind { 1825e0a22d06888c13989b3f72db319f1d498bf69153John McCall#define BUILTIN_TYPE(Id, SingletonId) Id, 1826e0a22d06888c13989b3f72db319f1d498bf69153John McCall#define LAST_BUILTIN_TYPE(Id) LastKind = Id 1827e0a22d06888c13989b3f72db319f1d498bf69153John McCall#include "clang/AST/BuiltinTypes.def" 18285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 182971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 18305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 18311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BuiltinType(Kind K) 183235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(Builtin, QualType(), /*Dependent=*/(K == Dependent), 1833561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/(K == Dependent), 1834d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, 1835d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*Unexpanded paramter pack=*/false) { 1836b870b88df784c2940efce448ebfaf54dece14666John McCall BuiltinTypeBits.Kind = K; 183771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 18381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1839b870b88df784c2940efce448ebfaf54dece14666John McCall Kind getKind() const { return static_cast<Kind>(BuiltinTypeBits.Kind); } 184027a00970bf4ababdc115e54383e6252cc3276dfaArgyrios Kyrtzidis StringRef getName(const PrintingPolicy &Policy) const; 184127a00970bf4ababdc115e54383e6252cc3276dfaArgyrios Kyrtzidis const char *getNameAsCString(const PrintingPolicy &Policy) const { 184227a00970bf4ababdc115e54383e6252cc3276dfaArgyrios Kyrtzidis // The StringRef is null-terminated. 184327a00970bf4ababdc115e54383e6252cc3276dfaArgyrios Kyrtzidis StringRef str = getName(Policy); 184427a00970bf4ababdc115e54383e6252cc3276dfaArgyrios Kyrtzidis assert(!str.empty() && str.data()[str.size()] == '\0'); 184527a00970bf4ababdc115e54383e6252cc3276dfaArgyrios Kyrtzidis return str.data(); 184627a00970bf4ababdc115e54383e6252cc3276dfaArgyrios Kyrtzidis } 18471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1848bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1849bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1850bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1851680523a91dd3351389667c8de17121ba7ae82673John McCall bool isInteger() const { 185271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Bool && getKind() <= Int128; 1853680523a91dd3351389667c8de17121ba7ae82673John McCall } 1854680523a91dd3351389667c8de17121ba7ae82673John McCall 1855680523a91dd3351389667c8de17121ba7ae82673John McCall bool isSignedInteger() const { 185671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Char_S && getKind() <= Int128; 1857680523a91dd3351389667c8de17121ba7ae82673John McCall } 1858680523a91dd3351389667c8de17121ba7ae82673John McCall 1859680523a91dd3351389667c8de17121ba7ae82673John McCall bool isUnsignedInteger() const { 186071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Bool && getKind() <= UInt128; 1861680523a91dd3351389667c8de17121ba7ae82673John McCall } 1862680523a91dd3351389667c8de17121ba7ae82673John McCall 1863680523a91dd3351389667c8de17121ba7ae82673John McCall bool isFloatingPoint() const { 1864aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov return getKind() >= Half && getKind() <= LongDouble; 1865680523a91dd3351389667c8de17121ba7ae82673John McCall } 1866680523a91dd3351389667c8de17121ba7ae82673John McCall 186785def357129b6cdfd69a66ad0e6994506418a2a9John McCall /// Determines whether the given kind corresponds to a placeholder type. 186885def357129b6cdfd69a66ad0e6994506418a2a9John McCall static bool isPlaceholderTypeKind(Kind K) { 186985def357129b6cdfd69a66ad0e6994506418a2a9John McCall return K >= Overload; 187085def357129b6cdfd69a66ad0e6994506418a2a9John McCall } 187185def357129b6cdfd69a66ad0e6994506418a2a9John McCall 1872864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// Determines whether this type is a placeholder type, i.e. a type 1873864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// which cannot appear in arbitrary positions in a fully-formed 1874864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// expression. 18752a984cad5ac3fdceeff2bd99daa7b90979313475John McCall bool isPlaceholderType() const { 187685def357129b6cdfd69a66ad0e6994506418a2a9John McCall return isPlaceholderTypeKind(getKind()); 18772a984cad5ac3fdceeff2bd99daa7b90979313475John McCall } 18782a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 187932509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall /// Determines whether this type is a placeholder type other than 188032509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall /// Overload. Most placeholder types require only syntactic 188132509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall /// information about their context in order to be resolved (e.g. 188232509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall /// whether it is a call expression), which means they can (and 188332509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall /// should) be resolved in an earlier "phase" of analysis. 188432509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall /// Overload expressions sometimes pick up further information 188532509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall /// from their context, like whether the context expects a 188632509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall /// specific function-pointer type, and so frequently need 188732509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall /// special treatment. 188832509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall bool isNonOverloadPlaceholderType() const { 188932509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall return getKind() > Overload; 189032509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall } 189132509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall 18925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Builtin; } 18935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BuiltinType *) { return true; } 18945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 18955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ComplexType - C99 6.2.5p11 - Complex values. This supports the C99 complex 18975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types (_Complex float etc) as well as the GCC integer complex extensions. 18985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 18995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ComplexType : public Type, public llvm::FoldingSetNode { 19005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 19015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType(QualType Element, QualType CanonicalPtr) : 190235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Complex, CanonicalPtr, Element->isDependentType(), 1903561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Element->isInstantiationDependentType(), 1904d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Element->isVariablyModifiedType(), 1905d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Element->containsUnexpandedParameterPack()), 1906898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ElementType(Element) { 19075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 190960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 19105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 19115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 19121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1913bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1914bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1915bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 19165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 19175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getElementType()); 19185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Element) { 19205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Element.getAsOpaquePtr()); 19215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Complex; } 19245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ComplexType *) { return true; } 19255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 19265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1927075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara/// ParenType - Sugar for parentheses used when specifying types. 1928075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara/// 1929075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnaraclass ParenType : public Type, public llvm::FoldingSetNode { 1930075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType Inner; 1931075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1932075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType(QualType InnerType, QualType CanonType) : 1933075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Type(Paren, CanonType, InnerType->isDependentType(), 1934561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor InnerType->isInstantiationDependentType(), 1935d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor InnerType->isVariablyModifiedType(), 1936d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor InnerType->containsUnexpandedParameterPack()), 1937075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Inner(InnerType) { 1938075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1939075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara friend class ASTContext; // ASTContext creates these. 1940075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1941075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnarapublic: 1942075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1943075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType getInnerType() const { return Inner; } 1944075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1945075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara bool isSugared() const { return true; } 1946075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType desugar() const { return getInnerType(); } 1947075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1948075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara void Profile(llvm::FoldingSetNodeID &ID) { 1949075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Profile(ID, getInnerType()); 1950075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1951075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static void Profile(llvm::FoldingSetNodeID &ID, QualType Inner) { 1952075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Inner.Profile(ID); 1953075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1954075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1955075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static bool classof(const Type *T) { return T->getTypeClass() == Paren; } 1956075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static bool classof(const ParenType *) { return true; } 1957075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara}; 1958075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 195968694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar/// PointerType - C99 6.7.5.1 - Pointer Declarators. 1960bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner/// 196168694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass PointerType : public Type, public llvm::FoldingSetNode { 1962bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner QualType PointeeType; 19635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType(QualType Pointee, QualType CanonicalPtr) : 196535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Pointer, CanonicalPtr, Pointee->isDependentType(), 1966561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Pointee->isInstantiationDependentType(), 1967d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->isVariablyModifiedType(), 1968ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Pointee->containsUnexpandedParameterPack()), 196935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor PointeeType(Pointee) { 19705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 197260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 19735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 19741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 197568694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType getPointeeType() const { return PointeeType; } 197668694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 1977bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1978bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1979bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 19805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 19815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getPointeeType()); 19825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 19845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Pointee.getAsOpaquePtr()); 19855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Pointer; } 19885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const PointerType *) { return true; } 19895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 19905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19915618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// BlockPointerType - pointer to a block type. 19925618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// This type is to represent types syntactically represented as 19935618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// "void (^)(int)", etc. Pointee is required to always be a function type. 19945618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// 19955618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffclass BlockPointerType : public Type, public llvm::FoldingSetNode { 19965618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType PointeeType; // Block is some kind of pointer type 19975618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType(QualType Pointee, QualType CanonicalCls) : 199835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(BlockPointer, CanonicalCls, Pointee->isDependentType(), 1999561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Pointee->isInstantiationDependentType(), 2000d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->isVariablyModifiedType(), 2001d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->containsUnexpandedParameterPack()), 2002898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor PointeeType(Pointee) { 20035618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 20045618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff friend class ASTContext; // ASTContext creates these. 2005ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 20065618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffpublic: 20071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20085618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the pointee type. Pointee is required to always be a function type. 20095618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getPointeeType() const { return PointeeType; } 20105618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 2011bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2012bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2013bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 20145618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 20155618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Profile(ID, getPointeeType()); 20165618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 20175618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 20185618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff ID.AddPointer(Pointee.getAsOpaquePtr()); 20195618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 20201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 20221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == BlockPointer; 20235618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 20245618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static bool classof(const BlockPointerType *) { return true; } 20255618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff}; 20265618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 20277c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// ReferenceType - Base for LValueReferenceType and RValueReferenceType 20285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 202968694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass ReferenceType : public Type, public llvm::FoldingSetNode { 203068694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType PointeeType; 203168694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 20327c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlprotected: 203354e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(TypeClass tc, QualType Referencee, QualType CanonicalRef, 203454e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 203535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(tc, CanonicalRef, Referencee->isDependentType(), 2036561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Referencee->isInstantiationDependentType(), 2037d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Referencee->isVariablyModifiedType(), 2038ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Referencee->containsUnexpandedParameterPack()), 2039ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie PointeeType(Referencee) 2040d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor { 2041b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBits.SpelledAsLValue = SpelledAsLValue; 2042b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBits.InnerRef = Referencee->isReferenceType(); 20435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2044ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 20455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 2046b870b88df784c2940efce448ebfaf54dece14666John McCall bool isSpelledAsLValue() const { return ReferenceTypeBits.SpelledAsLValue; } 2047b870b88df784c2940efce448ebfaf54dece14666John McCall bool isInnerRef() const { return ReferenceTypeBits.InnerRef; } 2048ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 204954e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeTypeAsWritten() const { return PointeeType; } 205054e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeType() const { 205154e14c4db764c0636160d26c5bbf491637c83a76John McCall // FIXME: this might strip inner qualifiers; okay? 205254e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *T = this; 205371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall while (T->isInnerRef()) 2054d0370f59e79702ac908c81bf556519f91e9ca297John McCall T = T->PointeeType->castAs<ReferenceType>(); 205554e14c4db764c0636160d26c5bbf491637c83a76John McCall return T->PointeeType; 205654e14c4db764c0636160d26c5bbf491637c83a76John McCall } 205768694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 20585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 205971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Profile(ID, PointeeType, isSpelledAsLValue()); 20605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 206154e14c4db764c0636160d26c5bbf491637c83a76John McCall static void Profile(llvm::FoldingSetNodeID &ID, 206254e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Referencee, 206354e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) { 20645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Referencee.getAsOpaquePtr()); 206554e14c4db764c0636160d26c5bbf491637c83a76John McCall ID.AddBoolean(SpelledAsLValue); 20665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 20675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20687c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 20697c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference || 20707c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl T->getTypeClass() == RValueReference; 20717c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 20725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReferenceType *) { return true; } 20737c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 20747c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 20757c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// LValueReferenceType - C++ [dcl.ref] - Lvalue reference 20767c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 20777c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass LValueReferenceType : public ReferenceType { 207854e14c4db764c0636160d26c5bbf491637c83a76John McCall LValueReferenceType(QualType Referencee, QualType CanonicalRef, 207954e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 208054e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(LValueReference, Referencee, CanonicalRef, SpelledAsLValue) 208154e14c4db764c0636160d26c5bbf491637c83a76John McCall {} 20827c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 20837c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 2084bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2085bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2086bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 20877c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 20887c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference; 20897c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 20907c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const LValueReferenceType *) { return true; } 20917c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 20927c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 20937c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// RValueReferenceType - C++0x [dcl.ref] - Rvalue reference 20947c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 20957c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass RValueReferenceType : public ReferenceType { 20967c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType(QualType Referencee, QualType CanonicalRef) : 209754e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(RValueReference, Referencee, CanonicalRef, false) { 20987c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 20997c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 21007c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 2101bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2102bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2103bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 21047c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 21057c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == RValueReference; 21067c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 21077c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const RValueReferenceType *) { return true; } 2108f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl}; 2109f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 2110f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// MemberPointerType - C++ 8.3.3 - Pointers to members 2111f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// 2112f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlclass MemberPointerType : public Type, public llvm::FoldingSetNode { 2113f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType PointeeType; 2114f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// The class of which the pointee is a member. Must ultimately be a 2115f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// RecordType, but could be a typedef or a template parameter too. 2116f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class; 2117f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 2118f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType(QualType Pointee, const Type *Cls, QualType CanonicalPtr) : 2119f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Type(MemberPointer, CanonicalPtr, 212035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Cls->isDependentType() || Pointee->isDependentType(), 2121ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie (Cls->isInstantiationDependentType() || 2122561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Pointee->isInstantiationDependentType()), 2123d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->isVariablyModifiedType(), 2124ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie (Cls->containsUnexpandedParameterPack() || 2125d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->containsUnexpandedParameterPack())), 2126f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl PointeeType(Pointee), Class(Cls) { 2127f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 2128f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl friend class ASTContext; // ASTContext creates these. 2129ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2130f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlpublic: 2131f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getPointeeType() const { return PointeeType; } 2132f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 21330bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Returns true if the member type (i.e. the pointee type) is a 21340bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// function type rather than a data-member type. 21350bab0cdab751248ca389a5592bcb70eac5d39260John McCall bool isMemberFunctionPointer() const { 21360bab0cdab751248ca389a5592bcb70eac5d39260John McCall return PointeeType->isFunctionProtoType(); 21370bab0cdab751248ca389a5592bcb70eac5d39260John McCall } 21380bab0cdab751248ca389a5592bcb70eac5d39260John McCall 21390bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Returns true if the member type (i.e. the pointee type) is a 21400bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// data type rather than a function type. 21410bab0cdab751248ca389a5592bcb70eac5d39260John McCall bool isMemberDataPointer() const { 21420bab0cdab751248ca389a5592bcb70eac5d39260John McCall return !PointeeType->isFunctionProtoType(); 21430bab0cdab751248ca389a5592bcb70eac5d39260John McCall } 21440bab0cdab751248ca389a5592bcb70eac5d39260John McCall 2145f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *getClass() const { return Class; } 2146f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 2147bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2148bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2149bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2150f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void Profile(llvm::FoldingSetNodeID &ID) { 2151f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Profile(ID, getPointeeType(), getClass()); 2152f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 2153f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee, 2154f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class) { 2155f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Pointee.getAsOpaquePtr()); 2156f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Class); 2157f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 2158f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 2159f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const Type *T) { 2160f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return T->getTypeClass() == MemberPointer; 2161f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 2162f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const MemberPointerType *) { return true; } 21635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 21645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 21655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArrayType - C99 6.7.5.2 - Array Declarators. 21665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 21672e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ArrayType : public Type, public llvm::FoldingSetNode { 21685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 21695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ArraySizeModifier - Capture whether this is a normal array (e.g. int X[4]) 2170898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// an array with a static size (e.g. int X[static 4]), or an array 2171898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// with a star size (e.g. int X[*]). 2172898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// 'static' is only allowed on function parameters. 21735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum ArraySizeModifier { 21745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Normal, Static, Star 21755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 21765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 2177fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff /// ElementType - The element type of the array. 2178fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType ElementType; 21791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2180fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffprotected: 2181898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // C++ [temp.dep.type]p1: 2182898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // A type is dependent if it is... 2183898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // - an array type constructed from any dependent type or whose 2184898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // size is specified by a constant expression that is 2185898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // value-dependent, 2186c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType(TypeClass tc, QualType et, QualType can, 2187d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ArraySizeModifier sm, unsigned tq, 2188d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool ContainsUnexpandedParameterPack) 218935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(tc, can, et->isDependentType() || tc == DependentSizedArray, 2190561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor et->isInstantiationDependentType() || tc == DependentSizedArray, 2191d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor (tc == VariableArray || et->isVariablyModifiedType()), 2192d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ContainsUnexpandedParameterPack), 219371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ElementType(et) { 2194b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBits.IndexTypeQuals = tq; 2195b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBits.SizeModifier = sm; 219671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2197898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2198fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 219960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 2200fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 2201fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType getElementType() const { return ElementType; } 2202ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek ArraySizeModifier getSizeModifier() const { 2203b870b88df784c2940efce448ebfaf54dece14666John McCall return ArraySizeModifier(ArrayTypeBits.SizeModifier); 2204ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek } 22050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getIndexTypeQualifiers() const { 220671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Qualifiers::fromCVRMask(getIndexTypeCVRQualifiers()); 220771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 220871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall unsigned getIndexTypeCVRQualifiers() const { 2209b870b88df784c2940efce448ebfaf54dece14666John McCall return ArrayTypeBits.IndexTypeQuals; 22100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 22111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2212fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const Type *T) { 2213fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff return T->getTypeClass() == ConstantArray || 2214c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman T->getTypeClass() == VariableArray || 2215898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == IncompleteArray || 2216898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == DependentSizedArray; 2217fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 2218fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ArrayType *) { return true; } 2219fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 2220fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 22217e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// ConstantArrayType - This class represents the canonical version of 22227e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// C arrays with a specified constant size. For example, the canonical 22237e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type for 'int A[4 + 4*100]' is a ConstantArrayType where the element 22247e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type is 'int' and the size is 404. 22252e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ConstantArrayType : public ArrayType { 2226fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff llvm::APInt Size; // Allows us to unique the type. 22271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22280be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType(QualType et, QualType can, const llvm::APInt &size, 2229c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArraySizeModifier sm, unsigned tq) 2230d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(ConstantArray, et, can, sm, tq, 2231d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor et->containsUnexpandedParameterPack()), 22327e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Size(size) {} 22337e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregorprotected: 22347e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ConstantArrayType(TypeClass tc, QualType et, QualType can, 22357e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor const llvm::APInt &size, ArraySizeModifier sm, unsigned tq) 2236ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : ArrayType(tc, et, can, sm, tq, et->containsUnexpandedParameterPack()), 2237d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Size(size) {} 2238fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 2239fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 2240c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const llvm::APInt &getSize() const { return Size; } 2241bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2242bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2243bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2244ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 22452767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the number of bits required to address a member of 22462767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor // an array with the given element type and number of elements. 22472767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getNumAddressingBits(ASTContext &Context, 22482767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor QualType ElementType, 22492767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor const llvm::APInt &NumElements); 2250ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 22512767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the maximum number of active bits that an array's size 22522767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// can require, which limits the maximum size of the array. 22532767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getMaxSizeBits(ASTContext &Context); 2254ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2255fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 22561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, getElementType(), getSize(), 22570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers()); 2258fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 2259fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 22600be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner const llvm::APInt &ArraySize, ArraySizeModifier SizeMod, 22610be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner unsigned TypeQuals) { 2262fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddPointer(ET.getAsOpaquePtr()); 2263fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddInteger(ArraySize.getZExtValue()); 22640be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 22650be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 2266fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 22677e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor static bool classof(const Type *T) { 226846a617a792bfab0d9b1e057371ea3b9540802226John McCall return T->getTypeClass() == ConstantArray; 2269fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 2270fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ConstantArrayType *) { return true; } 2271fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 2272fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 2273da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// IncompleteArrayType - This class represents C arrays with an unspecified 2274da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// size. For example 'int A[]' has an IncompleteArrayType where the element 2275da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// type is 'int' and the size is unspecified. 2276c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanclass IncompleteArrayType : public ArrayType { 22777e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 2278c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType(QualType et, QualType can, 22797e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq) 2280ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : ArrayType(IncompleteArray, et, can, sm, tq, 2281d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor et->containsUnexpandedParameterPack()) {} 2282c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class ASTContext; // ASTContext creates these. 2283c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanpublic: 2284bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2285bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2286bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 22871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 22881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == IncompleteArray; 2289c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 2290c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman static bool classof(const IncompleteArrayType *) { return true; } 22911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2292c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class StmtIteratorBase; 22931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2294c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void Profile(llvm::FoldingSetNodeID &ID) { 22950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Profile(ID, getElementType(), getSizeModifier(), 22960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getIndexTypeCVRQualifiers()); 2297c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 22981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22990be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 23000be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ArraySizeModifier SizeMod, unsigned TypeQuals) { 2301c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ID.AddPointer(ET.getAsOpaquePtr()); 23020be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 23030be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 2304c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 2305c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman}; 2306c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 2307da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// VariableArrayType - This class represents C arrays with a specified size 2308da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// which is not an integer-constant-expression. For example, 'int s[x+foo()]'. 2309da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Since the size expression is an arbitrary expression, we store it as such. 2310da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 2311da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Note: VariableArrayType's aren't uniqued (since the expressions aren't) and 2312da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// should not be: two lexically equivalent variable array types could mean 2313da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// different things, for example, these variables do not have the same type 2314da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// dynamically: 2315da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 2316da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// void foo(int x) { 2317da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Y[x]; 2318da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// ++x; 2319da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Z[x]; 2320da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// } 2321da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 23222e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass VariableArrayType : public ArrayType { 23231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// SizeExpr - An assignment expression. VLA's are only permitted within 23241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// a function block. 2325b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek Stmt *SizeExpr; 23267e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 23277e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 23287e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 2329c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff VariableArrayType(QualType et, QualType can, Expr *e, 23307e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq, 23317e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange brackets) 2332ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : ArrayType(VariableArray, et, can, sm, tq, 2333d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor et->containsUnexpandedParameterPack()), 23347e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SizeExpr((Stmt*) e), Brackets(brackets) {} 23355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 23364b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 23375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 23381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 2339b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // We use C-style casts instead of cast<> here because we do not wish 2340b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // to have a dependency of Type.h on Stmt.h/Expr.h. 2341b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek return (Expr*) SizeExpr; 2342b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek } 23437e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 23447e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 23457e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 23461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2347bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2348bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2349bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 23501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 23511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == VariableArray; 23525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2353fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const VariableArrayType *) { return true; } 23541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 235592866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek friend class StmtIteratorBase; 23561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23572bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) { 2358b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Cannot unique VariableArrayTypes."); 23592bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 23605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 23615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2362898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// DependentSizedArrayType - This type represents an array type in 2363898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// C++ whose size is a value-dependent expression. For example: 2364cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 2365cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \code 23661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// template<typename T, int Size> 2367898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// class array { 2368898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// T data[Size]; 2369898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// }; 2370cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \endcode 2371cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 2372898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// For these types, we won't actually know what the array bound is 2373898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// until template instantiation occurs, at which point this will 2374898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// become either a ConstantArrayType or a VariableArrayType. 2375898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorclass DependentSizedArrayType : public ArrayType { 23764ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 23771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2378cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// \brief An assignment expression that will instantiate to the 2379898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// size of the array. 2380cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// 2381cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// The expression itself might be NULL, in which case the array 2382cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// type will have its size deduced from an initializer. 2383898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Stmt *SizeExpr; 2384cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 23857e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 23867e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 23871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23884ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentSizedArrayType(const ASTContext &Context, QualType et, QualType can, 238904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor Expr *e, ArraySizeModifier sm, unsigned tq, 2390d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor SourceRange brackets); 2391d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2392898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class ASTContext; // ASTContext creates these. 2393898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2394898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorpublic: 23951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 2396898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // We use C-style casts instead of cast<> here because we do not wish 2397898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // to have a dependency of Type.h on Stmt.h/Expr.h. 2398898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return (Expr*) SizeExpr; 2399898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 24007e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 24017e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 24027e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 24031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2404bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2405bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2406bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 24071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 24081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedArray; 2409898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 2410898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool classof(const DependentSizedArrayType *) { return true; } 24111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2412898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class StmtIteratorBase; 24131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2415898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 24161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, Context, getElementType(), 24170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers(), getSizeExpr()); 2418898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 24191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24204ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 24211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType ET, ArraySizeModifier SizeMod, 242204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor unsigned TypeQuals, Expr *E); 2423898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor}; 2424898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2425f6ddb737cb882ffbf0b75a9abd50b930cc2b9068Douglas Gregor/// DependentSizedExtVectorType - This type represent an extended vector type 24269cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// where either the type or size is dependent. For example: 24279cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @code 24289cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// template<typename T, int Size> 24299cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// class vector { 24309cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// typedef T __attribute__((ext_vector_type(Size))) type; 24319cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// } 24329cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @endcode 24332ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregorclass DependentSizedExtVectorType : public Type, public llvm::FoldingSetNode { 24344ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 24359cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr; 24369cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// ElementType - The element type of the array. 24379cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType ElementType; 24389cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation loc; 24391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24404ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentSizedExtVectorType(const ASTContext &Context, QualType ElementType, 2441d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor QualType can, Expr *SizeExpr, SourceLocation loc); 2442d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 24439cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor friend class ASTContext; 24449cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 24459cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregorpublic: 24462ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Expr *getSizeExpr() const { return SizeExpr; } 24479cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType getElementType() const { return ElementType; } 24489cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation getAttributeLoc() const { return loc; } 24499cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 2450bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2451bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2452bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 24531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 24541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedExtVector; 24559cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor } 24561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const DependentSizedExtVectorType *) { return true; } 24572ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor 24582ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 24592ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Profile(ID, Context, getElementType(), getSizeExpr()); 24602ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 24611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24624ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 24632ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType ElementType, Expr *SizeExpr); 24649cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor}; 24651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24669cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 246773322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// VectorType - GCC generic vector type. This type is created using 24681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// __attribute__((vector_size(n)), where "n" specifies the vector size in 246982287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// bytes; or from an Altivec __vector or vector declaration. 247082287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// Since the constructor takes the number of vector elements, the 247173322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// client is responsible for converting the size into the number of elements. 24725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass VectorType : public Type, public llvm::FoldingSetNode { 2473788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattnerpublic: 2474e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson enum VectorKind { 2475e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson GenericVector, // not a target-specific vector type 2476e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecVector, // is AltiVec vector 2477e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecPixel, // is AltiVec 'vector Pixel' 2478e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecBool, // is AltiVec 'vector bool ...' 2479491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson NeonVector, // is ARM Neon vector 2480491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson NeonPolyVector // is ARM Neon polynomial vector 2481788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner }; 248273322924127c873c13101b705dd823f5539ffa5fSteve Naroffprotected: 24835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ElementType - The element type of the vector. 24845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 24851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 248682287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType(QualType vecType, unsigned nElements, QualType canonType, 2487d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor VectorKind vecKind); 2488ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 24891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump VectorType(TypeClass tc, QualType vecType, unsigned nElements, 2490d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor QualType canonType, VectorKind vecKind); 2491d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 24925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 2493ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 24945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 24951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 2497b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getNumElements() const { return VectorTypeBits.NumElements; } 24985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2499bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2500bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2501bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2502e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorKind getVectorKind() const { 2503e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson return VectorKind(VectorTypeBits.VecKind); 250471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2505788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 25065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 250771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Profile(ID, getElementType(), getNumElements(), 2508e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson getTypeClass(), getVectorKind()); 25095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 25101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ElementType, 251182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson unsigned NumElements, TypeClass TypeClass, 2512e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorKind VecKind) { 25135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ElementType.getAsOpaquePtr()); 25145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddInteger(NumElements); 251573322924127c873c13101b705dd823f5539ffa5fSteve Naroff ID.AddInteger(TypeClass); 2516e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson ID.AddInteger(VecKind); 251773322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 25180b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 25191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 25201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == Vector || T->getTypeClass() == ExtVector; 25215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 25225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const VectorType *) { return true; } 25235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 25245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2525213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// ExtVectorType - Extended vector type. This type is created using 2526213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// __attribute__((ext_vector_type(n)), where "n" is the number of elements. 2527213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// Unlike vector_size, ext_vector_type is only allowed on typedef's. This 2528fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// class enables syntactic extensions, like Vector Components for accessing 2529fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// points, colors, and textures (modeled after OpenGL Shading Language). 2530213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemanclass ExtVectorType : public VectorType { 2531213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman ExtVectorType(QualType vecType, unsigned nElements, QualType canonType) : 2532e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType(ExtVector, vecType, nElements, canonType, GenericVector) {} 253373322924127c873c13101b705dd823f5539ffa5fSteve Naroff friend class ASTContext; // ASTContext creates these. 253473322924127c873c13101b705dd823f5539ffa5fSteve Naroffpublic: 253588dca0464804b8b26ae605f89784c927e8493dddChris Lattner static int getPointAccessorIdx(char c) { 253688dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 253788dca0464804b8b26ae605f89784c927e8493dddChris Lattner default: return -1; 253888dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'x': return 0; 253988dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'y': return 1; 254088dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'z': return 2; 254188dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'w': return 3; 254288dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 2543e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 2544353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman static int getNumericAccessorIdx(char c) { 254588dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 2546353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman default: return -1; 2547353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '0': return 0; 2548353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '1': return 1; 2549353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '2': return 2; 2550353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '3': return 3; 2551353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '4': return 4; 2552353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '5': return 5; 2553353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '6': return 6; 2554353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '7': return 7; 2555353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '8': return 8; 2556353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '9': return 9; 2557131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'A': 2558353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'a': return 10; 2559131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'B': 2560353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'b': return 11; 2561131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'C': 2562353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'c': return 12; 2563131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'D': 2564353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'd': return 13; 2565131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'E': 2566353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'e': return 14; 2567131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'F': 2568353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'f': return 15; 256988dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 2570e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 25711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2572b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner static int getAccessorIdx(char c) { 2573b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getPointAccessorIdx(c)+1) return idx-1; 2574353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman return getNumericAccessorIdx(c); 2575b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner } 25761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 257788dca0464804b8b26ae605f89784c927e8493dddChris Lattner bool isAccessorWithinNumElements(char c) const { 2578b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getAccessorIdx(c)+1) 257971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return unsigned(idx-1) < getNumElements(); 258088dca0464804b8b26ae605f89784c927e8493dddChris Lattner return false; 2581e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 2582bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2583bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2584bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 25851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 25861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ExtVector; 258773322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 2588213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman static bool classof(const ExtVectorType *) { return true; } 258973322924127c873c13101b705dd823f5539ffa5fSteve Naroff}; 259073322924127c873c13101b705dd823f5539ffa5fSteve Naroff 25915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// FunctionType - C99 6.7.5.3 - Function Declarators. This is the common base 259272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// class of FunctionNoProtoType and FunctionProtoType. 25935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 25945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FunctionType : public Type { 25955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // The type returned by the function. 25965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ResultType; 2597264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2598264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 2599373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// ExtInfo - A class which abstracts out some details necessary for 2600373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// making a call. 2601373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// 2602373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// It is not actually used directly for storing this information in 2603373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// a FunctionType, although FunctionType does currently use the 2604373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// same bit-pattern. 2605373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// 2606075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // If you add a field (say Foo), other than the obvious places (both, 2607075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // constructors, compile failures), what you need to update is 2608075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // * Operator== 2609425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * getFoo 2610425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * withFoo 2611425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * functionType. Add Foo, getFoo. 2612425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::getFooType 2613425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::mergeFunctionTypes 2614425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionNoProtoType::Profile 2615425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionProtoType::Profile 2616425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * TypePrinter::PrintFunctionProto 26173c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // * AST read and write 2618425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * Codegen 2619264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola class ExtInfo { 26207e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor // Feel free to rearrange or add bits, but if you go over 8, 2621373920bd733b1d28fe7bf209945a62eb9248d948John McCall // you'll need to adjust both the Bits field below and 2622373920bd733b1d28fe7bf209945a62eb9248d948John McCall // Type::FunctionTypeBitfields. 2623373920bd733b1d28fe7bf209945a62eb9248d948John McCall 26247e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor // | CC |noreturn|produces|regparm| 26257e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor // |0 .. 2| 3 | 4 | 5 .. 7| 26267e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor // 26277e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor // regparm is either 0 (no regparm attribute) or the regparm value+1. 2628b870b88df784c2940efce448ebfaf54dece14666John McCall enum { CallConvMask = 0x7 }; 2629b870b88df784c2940efce448ebfaf54dece14666John McCall enum { NoReturnMask = 0x8 }; 2630f85e193739c953358c865005855253af4f68a497John McCall enum { ProducesResultMask = 0x10 }; 2631f85e193739c953358c865005855253af4f68a497John McCall enum { RegParmMask = ~(CallConvMask | NoReturnMask | ProducesResultMask), 26327e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor RegParmOffset = 5 }; // Assumed to be the last field 2633b870b88df784c2940efce448ebfaf54dece14666John McCall 2634f85e193739c953358c865005855253af4f68a497John McCall uint16_t Bits; 263571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 2636f85e193739c953358c865005855253af4f68a497John McCall ExtInfo(unsigned Bits) : Bits(static_cast<uint16_t>(Bits)) {} 263771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 263871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall friend class FunctionType; 263971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 2640264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 2641264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with no defaults. Use this when you know that you 26423c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // have all the elements (when reading an AST file for example). 2643f85e193739c953358c865005855253af4f68a497John McCall ExtInfo(bool noReturn, bool hasRegParm, unsigned regParm, CallingConv cc, 2644f85e193739c953358c865005855253af4f68a497John McCall bool producesResult) { 26457e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor assert((!hasRegParm || regParm < 7) && "Invalid regparm value"); 2646b870b88df784c2940efce448ebfaf54dece14666John McCall Bits = ((unsigned) cc) | 2647b870b88df784c2940efce448ebfaf54dece14666John McCall (noReturn ? NoReturnMask : 0) | 2648f85e193739c953358c865005855253af4f68a497John McCall (producesResult ? ProducesResultMask : 0) | 26497e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor (hasRegParm ? ((regParm + 1) << RegParmOffset) : 0); 265071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2651264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2652264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with all defaults. Use when for example creating a 2653264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // function know to use defaults. 265471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo() : Bits(0) {} 2655264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2656b870b88df784c2940efce448ebfaf54dece14666John McCall bool getNoReturn() const { return Bits & NoReturnMask; } 2657f85e193739c953358c865005855253af4f68a497John McCall bool getProducesResult() const { return Bits & ProducesResultMask; } 26587e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor bool getHasRegParm() const { return (Bits >> RegParmOffset) != 0; } 2659ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie unsigned getRegParm() const { 26607e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor unsigned RegParm = Bits >> RegParmOffset; 26617e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor if (RegParm > 0) 26627e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor --RegParm; 26637e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor return RegParm; 26647e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor } 2665b870b88df784c2940efce448ebfaf54dece14666John McCall CallingConv getCC() const { return CallingConv(Bits & CallConvMask); } 2666264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 266771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool operator==(ExtInfo Other) const { 266871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Bits == Other.Bits; 2669264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 267071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool operator!=(ExtInfo Other) const { 267171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Bits != Other.Bits; 2672264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2673264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2674264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Note that we don't have setters. That is by design, use 2675264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // the following with methods instead of mutating these objects. 2676264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2677264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withNoReturn(bool noReturn) const { 267871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall if (noReturn) 267971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return ExtInfo(Bits | NoReturnMask); 268071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall else 268171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return ExtInfo(Bits & ~NoReturnMask); 2682425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola } 2683425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 2684f85e193739c953358c865005855253af4f68a497John McCall ExtInfo withProducesResult(bool producesResult) const { 2685f85e193739c953358c865005855253af4f68a497John McCall if (producesResult) 2686f85e193739c953358c865005855253af4f68a497John McCall return ExtInfo(Bits | ProducesResultMask); 2687f85e193739c953358c865005855253af4f68a497John McCall else 2688f85e193739c953358c865005855253af4f68a497John McCall return ExtInfo(Bits & ~ProducesResultMask); 2689f85e193739c953358c865005855253af4f68a497John McCall } 2690f85e193739c953358c865005855253af4f68a497John McCall 2691425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola ExtInfo withRegParm(unsigned RegParm) const { 26927e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor assert(RegParm < 7 && "Invalid regparm value"); 2693f85e193739c953358c865005855253af4f68a497John McCall return ExtInfo((Bits & ~RegParmMask) | 26947e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor ((RegParm + 1) << RegParmOffset)); 2695264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2696264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2697264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withCallingConv(CallingConv cc) const { 2698b870b88df784c2940efce448ebfaf54dece14666John McCall return ExtInfo((Bits & ~CallConvMask) | (unsigned) cc); 2699264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2700264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2701e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall void Profile(llvm::FoldingSetNodeID &ID) const { 270271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ID.AddInteger(Bits); 270371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2704264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola }; 2705264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 27065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 2707eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith FunctionType(TypeClass tc, QualType res, 2708c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor unsigned typeQuals, RefQualifierKind RefQualifier, 2709c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor QualType Canonical, bool Dependent, 2710561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool InstantiationDependent, 2711ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie bool VariablyModified, bool ContainsUnexpandedParameterPack, 2712d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ExtInfo Info) 2713ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Type(tc, Canonical, Dependent, InstantiationDependent, VariablyModified, 2714ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ContainsUnexpandedParameterPack), 2715d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ResultType(res) { 2716b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.ExtInfo = Info.Bits; 2717b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.TypeQuals = typeQuals; 2718c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor FunctionTypeBits.RefQualifier = static_cast<unsigned>(RefQualifier); 271971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2720b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getTypeQuals() const { return FunctionTypeBits.TypeQuals; } 2721ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2722c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RefQualifierKind getRefQualifier() const { 2723c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor return static_cast<RefQualifierKind>(FunctionTypeBits.RefQualifier); 2724c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor } 2725c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 27265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 27271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getResultType() const { return ResultType; } 2729a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman 2730a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman bool getHasRegParm() const { return getExtInfo().getHasRegParm(); } 2731b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getRegParmType() const { return getExtInfo().getRegParm(); } 2732b870b88df784c2940efce448ebfaf54dece14666John McCall bool getNoReturnAttr() const { return getExtInfo().getNoReturn(); } 2733b870b88df784c2940efce448ebfaf54dece14666John McCall CallingConv getCallConv() const { return getExtInfo().getCC(); } 2734b870b88df784c2940efce448ebfaf54dece14666John McCall ExtInfo getExtInfo() const { return ExtInfo(FunctionTypeBits.ExtInfo); } 27354ef832ffc1147ce2f9777f9fad650cb3139a1d00David Blaikie bool isConst() const { return getTypeQuals() & Qualifiers::Const; } 27364ef832ffc1147ce2f9777f9fad650cb3139a1d00David Blaikie bool isVolatile() const { return getTypeQuals() & Qualifiers::Volatile; } 27374ef832ffc1147ce2f9777f9fad650cb3139a1d00David Blaikie bool isRestrict() const { return getTypeQuals() & Qualifiers::Restrict; } 27385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 27395291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// \brief Determine the type of an expression that calls a function of 27405291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// this type. 2741ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie QualType getCallResultType(ASTContext &Context) const { 27426398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor return getResultType().getNonLValueExprType(Context); 27435291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor } 27445291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 2745686775deca8b8685eb90801495880e3abdd844c2Chris Lattner static StringRef getNameForCallConv(CallingConv CC); 274604a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 27475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 27485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto || 27495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer T->getTypeClass() == FunctionProto; 27505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 27515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FunctionType *) { return true; } 27525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 27535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 275472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionNoProtoType - Represents a K&R-style 'int foo()' function, which has 27555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// no information available about its arguments. 275672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionNoProtoType : public FunctionType, public llvm::FoldingSetNode { 275771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall FunctionNoProtoType(QualType Result, QualType Canonical, ExtInfo Info) 2758eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith : FunctionType(FunctionNoProto, Result, 0, RQ_None, Canonical, 2759561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*Dependent=*/false, /*InstantiationDependent=*/false, 2760ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Result->isVariablyModifiedType(), 2761d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false, Info) {} 2762d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 27635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 2764ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 27655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 27665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // No additional state past what FunctionType provides. 27671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2768bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2769bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2770bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 27715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 2772264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Profile(ID, getResultType(), getExtInfo()); 27735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 27742455636163fdd18581d7fdae816433f886d88213Mike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ResultType, 277571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo Info) { 277671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Info.Profile(ID); 27775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ResultType.getAsOpaquePtr()); 27785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 27791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 27815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto; 27825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 278372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionNoProtoType *) { return true; } 27845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 27855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 278672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionProtoType - Represents a prototype with argument type info, e.g. 27875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int foo(int)' or 'int foo(void)'. 'void' is represented as having no 2788465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// arguments, not as having a single void argument. Such a type can have an 2789465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// exception specification, but this specification is not part of the canonical 2790465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// type. 279172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionProtoType : public FunctionType, public llvm::FoldingSetNode { 2792e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCallpublic: 2793e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall /// ExtProtoInfo - Extra information about a function prototype. 2794e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall struct ExtProtoInfo { 2795e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall ExtProtoInfo() : 2796361ae9a83e1e3098adabaaad34d0925b30358f38Benjamin Kramer Variadic(false), HasTrailingReturn(false), TypeQuals(0), 2797361ae9a83e1e3098adabaaad34d0925b30358f38Benjamin Kramer ExceptionSpecType(EST_None), RefQualifier(RQ_None), 279813bffc532bafd45d4a77867993c1afb83c7661beRichard Smith NumExceptions(0), Exceptions(0), NoexceptExpr(0), 279913bffc532bafd45d4a77867993c1afb83c7661beRichard Smith ExceptionSpecDecl(0), ExceptionSpecTemplate(0), 2800e6975e9b0985ad7f7ff9187e38d95bfe9ac4181bRichard Smith ConsumedArguments(0) {} 2801e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 2802e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionType::ExtInfo ExtInfo; 28030e2e13f4daa71edac982633120531333b45e77b5Benjamin Kramer bool Variadic : 1; 28040e2e13f4daa71edac982633120531333b45e77b5Benjamin Kramer bool HasTrailingReturn : 1; 2805e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall unsigned char TypeQuals; 2806361ae9a83e1e3098adabaaad34d0925b30358f38Benjamin Kramer ExceptionSpecificationType ExceptionSpecType; 2807361ae9a83e1e3098adabaaad34d0925b30358f38Benjamin Kramer RefQualifierKind RefQualifier; 2808e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall unsigned NumExceptions; 2809e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall const QualType *Exceptions; 28108b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl Expr *NoexceptExpr; 2811e6975e9b0985ad7f7ff9187e38d95bfe9ac4181bRichard Smith FunctionDecl *ExceptionSpecDecl; 281213bffc532bafd45d4a77867993c1afb83c7661beRichard Smith FunctionDecl *ExceptionSpecTemplate; 2813f85e193739c953358c865005855253af4f68a497John McCall const bool *ConsumedArguments; 2814e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall }; 2815e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 2816e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCallprivate: 2817d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Determine whether there are any argument types that 2818d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// contain an unexpanded parameter pack. 2819ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie static bool containsAnyUnexpandedParameterPack(const QualType *ArgArray, 2820d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned numArgs) { 2821d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor for (unsigned Idx = 0; Idx < numArgs; ++Idx) 2822d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor if (ArgArray[Idx]->containsUnexpandedParameterPack()) 2823d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return true; 2824d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2825d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return false; 2826d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 2827d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2828e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType(QualType result, const QualType *args, unsigned numArgs, 28298026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl QualType canonical, const ExtProtoInfo &epi); 2830465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 28315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// NumArgs - The number of arguments this function has, not counting '...'. 2832eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith unsigned NumArgs : 17; 2833465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2834465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// NumExceptions - The number of types in the exception spec, if any. 283560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl unsigned NumExceptions : 9; 2836465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 283760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// ExceptionSpecType - The type of exception specification this function has. 283860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl unsigned ExceptionSpecType : 3; 2839465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2840f85e193739c953358c865005855253af4f68a497John McCall /// HasAnyConsumedArgs - Whether this function has any consumed arguments. 2841f85e193739c953358c865005855253af4f68a497John McCall unsigned HasAnyConsumedArgs : 1; 2842f85e193739c953358c865005855253af4f68a497John McCall 2843eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith /// Variadic - Whether the function is variadic. 2844eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith unsigned Variadic : 1; 2845eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith 2846eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith /// HasTrailingReturn - Whether this function has a trailing return type. 2847eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith unsigned HasTrailingReturn : 1; 2848eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith 28496a2ccc51d9b8357e1433e0029d544d95c5877a5cTed Kremenek // ArgInfo - There is an variable size array after the class in memory that 28506a2ccc51d9b8357e1433e0029d544d95c5877a5cTed Kremenek // holds the argument types. 2851b8706f95eae8f85af01a26eee899c5daf8d6fcdeTed Kremenek 28526a2ccc51d9b8357e1433e0029d544d95c5877a5cTed Kremenek // Exceptions - There is another variable size array after ArgInfo that 28536a2ccc51d9b8357e1433e0029d544d95c5877a5cTed Kremenek // holds the exception types. 2854b8706f95eae8f85af01a26eee899c5daf8d6fcdeTed Kremenek 28556a2ccc51d9b8357e1433e0029d544d95c5877a5cTed Kremenek // NoexceptExpr - Instead of Exceptions, there may be a single Expr* pointing 28566a2ccc51d9b8357e1433e0029d544d95c5877a5cTed Kremenek // to the expression in the noexcept() specifier. 2857b8706f95eae8f85af01a26eee899c5daf8d6fcdeTed Kremenek 285813bffc532bafd45d4a77867993c1afb83c7661beRichard Smith // ExceptionSpecDecl, ExceptionSpecTemplate - Instead of Exceptions, there may 285913bffc532bafd45d4a77867993c1afb83c7661beRichard Smith // be a pair of FunctionDecl* pointing to the function which should be used to 286013bffc532bafd45d4a77867993c1afb83c7661beRichard Smith // instantiate this function type's exception specification, and the function 286113bffc532bafd45d4a77867993c1afb83c7661beRichard Smith // from which it should be instantiated. 2862e6975e9b0985ad7f7ff9187e38d95bfe9ac4181bRichard Smith 28636a2ccc51d9b8357e1433e0029d544d95c5877a5cTed Kremenek // ConsumedArgs - A variable size array, following Exceptions 28646a2ccc51d9b8357e1433e0029d544d95c5877a5cTed Kremenek // and of length NumArgs, holding flags indicating which arguments 28656a2ccc51d9b8357e1433e0029d544d95c5877a5cTed Kremenek // are consumed. This only appears if HasAnyConsumedArgs is true. 2866b8706f95eae8f85af01a26eee899c5daf8d6fcdeTed Kremenek 28675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 28684b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 2869f85e193739c953358c865005855253af4f68a497John McCall const bool *getConsumedArgsBuffer() const { 2870f85e193739c953358c865005855253af4f68a497John McCall assert(hasAnyConsumedArgs()); 2871f85e193739c953358c865005855253af4f68a497John McCall 2872f85e193739c953358c865005855253af4f68a497John McCall // Find the end of the exceptions. 2873f85e193739c953358c865005855253af4f68a497John McCall Expr * const *eh_end = reinterpret_cast<Expr * const *>(arg_type_end()); 2874f85e193739c953358c865005855253af4f68a497John McCall if (getExceptionSpecType() != EST_ComputedNoexcept) 2875f85e193739c953358c865005855253af4f68a497John McCall eh_end += NumExceptions; 2876f85e193739c953358c865005855253af4f68a497John McCall else 2877f85e193739c953358c865005855253af4f68a497John McCall eh_end += 1; // NoexceptExpr 2878f85e193739c953358c865005855253af4f68a497John McCall 2879f85e193739c953358c865005855253af4f68a497John McCall return reinterpret_cast<const bool*>(eh_end); 2880f85e193739c953358c865005855253af4f68a497John McCall } 2881f85e193739c953358c865005855253af4f68a497John McCall 28825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 28835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 28845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgType(unsigned i) const { 28855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(i < NumArgs && "Invalid argument number!"); 2886942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return arg_type_begin()[i]; 28875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2888465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2889e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall ExtProtoInfo getExtProtoInfo() const { 2890e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall ExtProtoInfo EPI; 2891e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = getExtInfo(); 2892e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.Variadic = isVariadic(); 2893eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith EPI.HasTrailingReturn = hasTrailingReturn(); 289460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.ExceptionSpecType = getExceptionSpecType(); 2895e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.TypeQuals = static_cast<unsigned char>(getTypeQuals()); 2896c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor EPI.RefQualifier = getRefQualifier(); 289760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EPI.ExceptionSpecType == EST_Dynamic) { 289860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.NumExceptions = NumExceptions; 289960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.Exceptions = exception_begin(); 290060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } else if (EPI.ExceptionSpecType == EST_ComputedNoexcept) { 290160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.NoexceptExpr = getNoexceptExpr(); 2902e6975e9b0985ad7f7ff9187e38d95bfe9ac4181bRichard Smith } else if (EPI.ExceptionSpecType == EST_Uninstantiated) { 2903e6975e9b0985ad7f7ff9187e38d95bfe9ac4181bRichard Smith EPI.ExceptionSpecDecl = getExceptionSpecDecl(); 290413bffc532bafd45d4a77867993c1afb83c7661beRichard Smith EPI.ExceptionSpecTemplate = getExceptionSpecTemplate(); 2905b9d0b76e42fd2d4cdfd135220302458d03ad09feRichard Smith } else if (EPI.ExceptionSpecType == EST_Unevaluated) { 2906b9d0b76e42fd2d4cdfd135220302458d03ad09feRichard Smith EPI.ExceptionSpecDecl = getExceptionSpecDecl(); 290760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 2908f85e193739c953358c865005855253af4f68a497John McCall if (hasAnyConsumedArgs()) 2909f85e193739c953358c865005855253af4f68a497John McCall EPI.ConsumedArguments = getConsumedArgsBuffer(); 2910e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return EPI; 2911e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall } 2912e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 291360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Get the kind of exception specification on this function. 291460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl ExceptionSpecificationType getExceptionSpecType() const { 291560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return static_cast<ExceptionSpecificationType>(ExceptionSpecType); 291660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 291760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Return whether this function has any kind of exception spec. 291860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl bool hasExceptionSpec() const { 291960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return getExceptionSpecType() != EST_None; 292060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 292160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Return whether this function has a dynamic (throw) exception spec. 292260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl bool hasDynamicExceptionSpec() const { 292360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return isDynamicExceptionSpec(getExceptionSpecType()); 292460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 2925fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner /// \brief Return whether this function has a noexcept exception spec. 292660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl bool hasNoexceptExceptionSpec() const { 292760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return isNoexceptExceptionSpec(getExceptionSpecType()); 292860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 292960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Result type of getNoexceptSpec(). 293060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl enum NoexceptResult { 293160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_NoNoexcept, ///< There is no noexcept specifier. 293260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_BadNoexcept, ///< The noexcept specifier has a bad expression. 293360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_Dependent, ///< The noexcept specifier is dependent. 293460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_Throw, ///< The noexcept specifier evaluates to false. 293560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_Nothrow ///< The noexcept specifier evaluates to true. 293660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl }; 293760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Get the meaning of the noexcept spec on this function, if any. 29388026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl NoexceptResult getNoexceptSpec(ASTContext &Ctx) const; 2939465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned getNumExceptions() const { return NumExceptions; } 2940465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl QualType getExceptionType(unsigned i) const { 2941465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(i < NumExceptions && "Invalid exception number!"); 2942465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin()[i]; 2943465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 294460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl Expr *getNoexceptExpr() const { 294560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (getExceptionSpecType() != EST_ComputedNoexcept) 294660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return 0; 294760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl // NoexceptExpr sits where the arguments end. 294860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return *reinterpret_cast<Expr *const *>(arg_type_end()); 2949d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson } 2950b9d0b76e42fd2d4cdfd135220302458d03ad09feRichard Smith /// \brief If this function type has an exception specification which hasn't 2951b9d0b76e42fd2d4cdfd135220302458d03ad09feRichard Smith /// been determined yet (either because it has not been evaluated or because 2952b9d0b76e42fd2d4cdfd135220302458d03ad09feRichard Smith /// it has not been instantiated), this is the function whose exception 2953b9d0b76e42fd2d4cdfd135220302458d03ad09feRichard Smith /// specification is represented by this type. 2954e6975e9b0985ad7f7ff9187e38d95bfe9ac4181bRichard Smith FunctionDecl *getExceptionSpecDecl() const { 2955b9d0b76e42fd2d4cdfd135220302458d03ad09feRichard Smith if (getExceptionSpecType() != EST_Uninstantiated && 2956b9d0b76e42fd2d4cdfd135220302458d03ad09feRichard Smith getExceptionSpecType() != EST_Unevaluated) 2957e6975e9b0985ad7f7ff9187e38d95bfe9ac4181bRichard Smith return 0; 295813bffc532bafd45d4a77867993c1afb83c7661beRichard Smith return reinterpret_cast<FunctionDecl * const *>(arg_type_end())[0]; 295913bffc532bafd45d4a77867993c1afb83c7661beRichard Smith } 296013bffc532bafd45d4a77867993c1afb83c7661beRichard Smith /// \brief If this function type has an uninstantiated exception 296113bffc532bafd45d4a77867993c1afb83c7661beRichard Smith /// specification, this is the function whose exception specification 296213bffc532bafd45d4a77867993c1afb83c7661beRichard Smith /// should be instantiated to find the exception specification for 296313bffc532bafd45d4a77867993c1afb83c7661beRichard Smith /// this type. 296413bffc532bafd45d4a77867993c1afb83c7661beRichard Smith FunctionDecl *getExceptionSpecTemplate() const { 296513bffc532bafd45d4a77867993c1afb83c7661beRichard Smith if (getExceptionSpecType() != EST_Uninstantiated) 296613bffc532bafd45d4a77867993c1afb83c7661beRichard Smith return 0; 296713bffc532bafd45d4a77867993c1afb83c7661beRichard Smith return reinterpret_cast<FunctionDecl * const *>(arg_type_end())[1]; 2968e6975e9b0985ad7f7ff9187e38d95bfe9ac4181bRichard Smith } 29698026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl bool isNothrow(ASTContext &Ctx) const { 297060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl ExceptionSpecificationType EST = getExceptionSpecType(); 2971b9d0b76e42fd2d4cdfd135220302458d03ad09feRichard Smith assert(EST != EST_Unevaluated && EST != EST_Uninstantiated); 297260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EST == EST_DynamicNone || EST == EST_BasicNoexcept) 297360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return true; 297460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EST != EST_ComputedNoexcept) 297560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return false; 29768026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl return getNoexceptSpec(Ctx) == NR_Nothrow; 2977c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall } 2978c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall 2979eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith bool isVariadic() const { return Variadic; } 298060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl 2981f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// \brief Determines whether this function prototype contains a 2982f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// parameter pack at the end. 2983f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// 2984f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// A function template whose last parameter is a parameter pack can be 2985f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// called with an arbitrary number of arguments, much like a variadic 2986eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith /// function. 2987f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor bool isTemplateVariadic() const; 2988ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2989eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith bool hasTrailingReturn() const { return HasTrailingReturn; } 2990eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith 2991971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned getTypeQuals() const { return FunctionType::getTypeQuals(); } 29921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2993ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2994c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief Retrieve the ref-qualifier associated with this function type. 2995c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RefQualifierKind getRefQualifier() const { 2996c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor return FunctionType::getRefQualifier(); 2997c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor } 2998ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 29995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef const QualType *arg_type_iterator; 3000942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_begin() const { 3001942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return reinterpret_cast<const QualType *>(this+1); 3002942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner } 3003942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_end() const { return arg_type_begin()+NumArgs; } 3004465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 3005465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl typedef const QualType *exception_iterator; 3006465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_begin() const { 3007465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // exceptions begin where arguments end 3008465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return arg_type_end(); 3009465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 3010465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_end() const { 301160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (getExceptionSpecType() != EST_Dynamic) 301260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return exception_begin(); 3013465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin() + NumExceptions; 3014465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 3015465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 3016f85e193739c953358c865005855253af4f68a497John McCall bool hasAnyConsumedArgs() const { 3017f85e193739c953358c865005855253af4f68a497John McCall return HasAnyConsumedArgs; 3018f85e193739c953358c865005855253af4f68a497John McCall } 3019f85e193739c953358c865005855253af4f68a497John McCall bool isArgConsumed(unsigned I) const { 3020f85e193739c953358c865005855253af4f68a497John McCall assert(I < getNumArgs() && "argument index out of range!"); 3021f85e193739c953358c865005855253af4f68a497John McCall if (hasAnyConsumedArgs()) 3022f85e193739c953358c865005855253af4f68a497John McCall return getConsumedArgsBuffer()[I]; 3023f85e193739c953358c865005855253af4f68a497John McCall return false; 3024f85e193739c953358c865005855253af4f68a497John McCall } 3025f85e193739c953358c865005855253af4f68a497John McCall 3026bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3027bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3028bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 30297ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis // FIXME: Remove the string version. 303001d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor void printExceptionSpecification(std::string &S, 303101d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor PrintingPolicy Policy) const; 30327ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis void printExceptionSpecification(raw_ostream &OS, 30337ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis PrintingPolicy Policy) const; 303401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 30355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 30365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionProto; 30375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 303872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionProtoType *) { return true; } 3039465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 30408026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Ctx); 30415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Result, 3042942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator ArgTys, unsigned NumArgs, 30438026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl const ExtProtoInfo &EPI, const ASTContext &Context); 30445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 30455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 30465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3047ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// \brief Represents the dependent type named by a dependently-scoped 3048ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// typename using declaration, e.g. 3049ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// using typename Base<T>::foo; 3050ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// Template instantiation turns these into the underlying type. 3051ed97649e9574b9d854fa4d6109c9333ae0993554John McCallclass UnresolvedUsingType : public Type { 3052ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *Decl; 3053ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 305419c8576b7328f4dc2d07682f5da552875c1912efJohn McCall UnresolvedUsingType(const UnresolvedUsingTypenameDecl *D) 3055ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Type(UnresolvedUsing, QualType(), true, true, false, 3056d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 305719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall Decl(const_cast<UnresolvedUsingTypenameDecl*>(D)) {} 3058ed97649e9574b9d854fa4d6109c9333ae0993554John McCall friend class ASTContext; // ASTContext creates these. 3059ed97649e9574b9d854fa4d6109c9333ae0993554John McCallpublic: 3060ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 3061ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *getDecl() const { return Decl; } 3062ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 3063ed97649e9574b9d854fa4d6109c9333ae0993554John McCall bool isSugared() const { return false; } 3064ed97649e9574b9d854fa4d6109c9333ae0993554John McCall QualType desugar() const { return QualType(this, 0); } 3065ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 3066ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const Type *T) { 3067ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return T->getTypeClass() == UnresolvedUsing; 3068ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 3069ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const UnresolvedUsingType *) { return true; } 3070ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 3071ed97649e9574b9d854fa4d6109c9333ae0993554John McCall void Profile(llvm::FoldingSetNodeID &ID) { 3072ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Profile(ID, Decl); 3073ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 3074ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static void Profile(llvm::FoldingSetNodeID &ID, 3075ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *D) { 3076ed97649e9574b9d854fa4d6109c9333ae0993554John McCall ID.AddPointer(D); 3077ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 3078ed97649e9574b9d854fa4d6109c9333ae0993554John McCall}; 3079ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 3080ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 30815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TypedefType : public Type { 3082162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypedefNameDecl *Decl; 3083c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanianprotected: 3084162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypedefType(TypeClass tc, const TypedefNameDecl *D, QualType can) 3085ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Type(tc, can, can->isDependentType(), 3086561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor can->isInstantiationDependentType(), 3087ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie can->isVariablyModifiedType(), 3088d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 3089162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Decl(const_cast<TypedefNameDecl*>(D)) { 30905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isa<TypedefType>(can) && "Invalid canonical type"); 30915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 30925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 30935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 30941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3095162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypedefNameDecl *getDecl() const { return Decl; } 30961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3097bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 3098bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 3099bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 310072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == Typedef; } 31015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TypedefType *) { return true; } 31025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 31035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 310472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType (GCC extension). 310572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass TypeOfExprType : public Type { 3106d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *TOExpr; 31071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3108b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorprotected: 3109dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType(Expr *E, QualType can = QualType()); 3110d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 3111d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 3112d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *getUnderlyingExpr() const { return TOExpr; } 31131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3114bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 3115bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 3116bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3117bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 31186af9f3ca25157379efd5c1caad82e9d01c17b9ffDouglas Gregor bool isSugared() const; 3119bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 312072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOfExpr; } 312172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const TypeOfExprType *) { return true; } 3122d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 3123d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 3124c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 31251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typeof(expr) types. 3126c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 3127c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 3128c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 3129c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via TypeOfExprType nodes. 31301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass DependentTypeOfExprType 3131b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : public TypeOfExprType, public llvm::FoldingSetNode { 31324ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 31331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3134b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorpublic: 31354ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentTypeOfExprType(const ASTContext &Context, Expr *E) 3136b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : TypeOfExprType(E), Context(Context) { } 31371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3138b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 3139b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 3140b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 31411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31424ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 3143b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Expr *E); 3144b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor}; 31451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3146d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff/// TypeOfType (GCC extension). 3147d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffclass TypeOfType : public Type { 3148d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType TOType; 31491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TypeOfType(QualType T, QualType can) 3150ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Type(TypeOf, can, T->isDependentType(), 3151561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor T->isInstantiationDependentType(), 3152ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie T->isVariablyModifiedType(), 3153ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie T->containsUnexpandedParameterPack()), 315435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor TOType(T) { 3155d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff assert(!isa<TypedefType>(can) && "Invalid canonical type"); 3156d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff } 3157d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 3158d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 3159d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getUnderlyingType() const { return TOType; } 31601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3161bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 3162bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 3163bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3164bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 3165bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 3166bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 316772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOf; } 3168d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff static bool classof(const TypeOfType *) { return true; } 3169d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 31705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3171395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType (C++0x) 3172395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonclass DecltypeType : public Type { 3173395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *E; 3174563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType UnderlyingType; 31751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31769d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorprotected: 3177563a03b1338d31c2462def43253a722bc885d384Anders Carlsson DecltypeType(Expr *E, QualType underlyingType, QualType can = QualType()); 3178395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson friend class ASTContext; // ASTContext creates these. 3179395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonpublic: 3180395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *getUnderlyingExpr() const { return E; } 3181563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType getUnderlyingType() const { return UnderlyingType; } 3182563a03b1338d31c2462def43253a722bc885d384Anders Carlsson 3183bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 31846af9f3ca25157379efd5c1caad82e9d01c17b9ffDouglas Gregor QualType desugar() const; 3185bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3186bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 31876af9f3ca25157379efd5c1caad82e9d01c17b9ffDouglas Gregor bool isSugared() const; 3188bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3189395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const Type *T) { return T->getTypeClass() == Decltype; } 3190395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const DecltypeType *) { return true; } 3191395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson}; 31921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3193c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 3194c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// decltype(expr) types. 3195c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 3196c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 3197c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 3198c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via DecltypeType nodes. 31999d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorclass DependentDecltypeType : public DecltypeType, public llvm::FoldingSetNode { 32004ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 32011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32029d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorpublic: 32034ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentDecltypeType(const ASTContext &Context, Expr *E); 32041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32059d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 32069d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 32079d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 32081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32094ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 32101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *E); 32119d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor}; 32121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3213ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt/// \brief A unary type transform, which is a type constructed from another 3214ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntclass UnaryTransformType : public Type { 3215ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntpublic: 3216ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt enum UTTKind { 3217ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt EnumUnderlyingType 3218ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt }; 3219ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3220ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntprivate: 3221ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt /// The untransformed type. 3222ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType BaseType; 3223ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt /// The transformed type if not dependent, otherwise the same as BaseType. 3224ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType UnderlyingType; 3225ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3226ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UTTKind UKind; 3227ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntprotected: 3228ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UnaryTransformType(QualType BaseTy, QualType UnderlyingTy, UTTKind UKind, 3229ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType CanonicalTy); 3230ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt friend class ASTContext; 3231ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntpublic: 3232ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt bool isSugared() const { return !isDependentType(); } 3233ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType desugar() const { return UnderlyingType; } 3234ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3235ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType getUnderlyingType() const { return UnderlyingType; } 3236ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType getBaseType() const { return BaseType; } 3237ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3238ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UTTKind getUTTKind() const { return UKind; } 3239ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3240ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt static bool classof(const Type *T) { 3241ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt return T->getTypeClass() == UnaryTransform; 3242ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt } 3243ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt static bool classof(const UnaryTransformType *) { return true; } 3244ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt}; 3245ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 32465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TagType : public Type { 3247ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// Stores the TagDecl associated with this type. The decl may point to any 3248ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// TagDecl that declares the entity. 3249ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl * decl; 32502ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 325156ca8a9c0fabd65418e9b2fd85140f4ed7d3c187Douglas Gregor friend class ASTReader; 325256ca8a9c0fabd65418e9b2fd85140f4ed7d3c187Douglas Gregor 32532ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregorprotected: 325419c8576b7328f4dc2d07682f5da552875c1912efJohn McCall TagType(TypeClass TC, const TagDecl *D, QualType can); 32552ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 32561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 3257ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl *getDecl() const; 32581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32590b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor /// @brief Determines whether this type is in the process of being 32601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// defined. 3261ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl bool isBeingDefined() const; 32620b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 32631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 326472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return T->getTypeClass() >= TagFirst && T->getTypeClass() <= TagLast; 326572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor } 32665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TagType *) { return true; } 32675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 32685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 32695edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// RecordType - This is a helper class that allows the use of isa/cast/dyncast 32705edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of structs/unions/classes. 32715edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass RecordType : public TagType { 327249aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidisprotected: 327319c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit RecordType(const RecordDecl *D) 327419c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Record, reinterpret_cast<const TagDecl*>(D), QualType()) { } 327572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor explicit RecordType(TypeClass TC, RecordDecl *D) 327619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(TC, reinterpret_cast<const TagDecl*>(D), QualType()) { } 32772ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 32785edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 32791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32805edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner RecordDecl *getDecl() const { 32815edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<RecordDecl*>(TagType::getDecl()); 32825edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 32831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // FIXME: This predicate is a helper to QualType/Type. It needs to 32855edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // recursively check all fields for const-ness. If any field is declared 32861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // const, it needs to return false. 32875edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner bool hasConstFields() const { return false; } 32885edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 3289bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3290bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3291bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 329295b68f94d28a4b94f4c3fb029b9f1690e1bb728bPeter Collingbourne static bool classof(const Type *T) { return T->getTypeClass() == Record; } 32935edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const RecordType *) { return true; } 32945edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 32955edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 32965edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// EnumType - This is a helper class that allows the use of isa/cast/dyncast 32975edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of enums. 32985edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass EnumType : public TagType { 329919c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit EnumType(const EnumDecl *D) 330019c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Enum, reinterpret_cast<const TagDecl*>(D), QualType()) { } 33012ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 33025edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 33031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33045edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner EnumDecl *getDecl() const { 33055edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<EnumDecl*>(TagType::getDecl()); 33065edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 33071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3308bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3309bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3310bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 331195b68f94d28a4b94f4c3fb029b9f1690e1bb728bPeter Collingbourne static bool classof(const Type *T) { return T->getTypeClass() == Enum; } 33125edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const EnumType *) { return true; } 33135edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 33145edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 33159d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// AttributedType - An attributed type is a type to which a type 33169d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// attribute has been applied. The "modified type" is the 33179d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// fully-sugared type to which the attributed type was applied; 33189d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// generally it is not canonically equivalent to the attributed type. 33199d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// The "equivalent type" is the minimally-desugared type which the 33209d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// type is canonically equivalent to. 33219d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// 33229d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// For example, in the following attributed type: 33239d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// int32_t __attribute__((vector_size(16))) 33249d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// - the modified type is the TypedefType for int32_t 33259d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// - the equivalent type is VectorType(16, int32_t) 33269d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// - the canonical type is VectorType(16, int) 33279d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallclass AttributedType : public Type, public llvm::FoldingSetNode { 33289d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallpublic: 33299d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // It is really silly to have yet another attribute-kind enum, but 33309d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // clang::attr::Kind doesn't currently cover the pure type attrs. 33319d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall enum Kind { 33329d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // Expression operand. 3333170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_address_space, 3334170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_regparm, 3335170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_vector_size, 3336170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_neon_vector_type, 3337170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_neon_polyvector_type, 33389d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 3339170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet FirstExprOperandKind = attr_address_space, 3340170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet LastExprOperandKind = attr_neon_polyvector_type, 33419d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 33429d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // Enumerated operand (string or keyword). 3343170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_objc_gc, 3344b8b0313e84700b5c6d597b3be4de41c97b7550f1Argyrios Kyrtzidis attr_objc_ownership, 3345414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov attr_pcs, 33469d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 3347170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet FirstEnumOperandKind = attr_objc_gc, 3348414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov LastEnumOperandKind = attr_pcs, 33499d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 33509d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // No operand. 33513cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_noreturn, 33523cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_cdecl, 33533cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_fastcall, 33543cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_stdcall, 33553cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_thiscall, 33563cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_pascal 33579d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall }; 33589d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 33599d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallprivate: 33609d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType ModifiedType; 33619d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType EquivalentType; 33629d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 33639d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall friend class ASTContext; // creates these 33649d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 33659d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType(QualType canon, Kind attrKind, 33669d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType modified, QualType equivalent) 33679d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall : Type(Attributed, canon, canon->isDependentType(), 3368561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor canon->isInstantiationDependentType(), 33699d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall canon->isVariablyModifiedType(), 33709d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall canon->containsUnexpandedParameterPack()), 33719d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ModifiedType(modified), EquivalentType(equivalent) { 33729d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedTypeBits.AttrKind = attrKind; 33739d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 33749d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 33759d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallpublic: 33769d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall Kind getAttrKind() const { 33779d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return static_cast<Kind>(AttributedTypeBits.AttrKind); 33789d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 33799d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 33809d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType getModifiedType() const { return ModifiedType; } 33819d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType getEquivalentType() const { return EquivalentType; } 33829d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 33839d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall bool isSugared() const { return true; } 33849d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType desugar() const { return getEquivalentType(); } 33859d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 33869d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 33879d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall Profile(ID, getAttrKind(), ModifiedType, EquivalentType); 33889d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 33899d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 33909d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, Kind attrKind, 33919d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType modified, QualType equivalent) { 33929d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ID.AddInteger(attrKind); 33939d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ID.AddPointer(modified.getAsOpaquePtr()); 33949d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ID.AddPointer(equivalent.getAsOpaquePtr()); 33959d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 33969d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 33979d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall static bool classof(const Type *T) { 33989d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return T->getTypeClass() == Attributed; 33999d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 34009d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall static bool classof(const AttributedType *T) { return true; } 34019d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall}; 34029d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 3403fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorclass TemplateTypeParmType : public Type, public llvm::FoldingSetNode { 34044fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth // Helper data collector for canonical types. 34054fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth struct CanonicalTTPTInfo { 34064fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned Depth : 15; 34074fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned ParameterPack : 1; 34084fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned Index : 16; 34094fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth }; 34104fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth 34114fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth union { 34124fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth // Info for the canonical type. 34134fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth CanonicalTTPTInfo CanTTPTInfo; 34144fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth // Info for the non-canonical type. 34154fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmDecl *TTPDecl; 34164fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth }; 341772c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 34184fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth /// Build a non-canonical type. 34194fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmType(TemplateTypeParmDecl *TTPDecl, QualType Canon) 342035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(TemplateTypeParm, Canon, /*Dependent=*/true, 3421561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 34224fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth /*VariablyModified=*/false, 34235d65e34b08b3e57a4da834195757d0d15baaffd0Chandler Carruth Canon->containsUnexpandedParameterPack()), 34244fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TTPDecl(TTPDecl) { } 342572c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 34264fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth /// Build the canonical type. 34271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType(unsigned D, unsigned I, bool PP) 3428ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Type(TemplateTypeParm, QualType(this, 0), 3429561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*Dependent=*/true, 3430561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 34314fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth /*VariablyModified=*/false, PP) { 34324fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth CanTTPTInfo.Depth = D; 34334fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth CanTTPTInfo.Index = I; 34344fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth CanTTPTInfo.ParameterPack = PP; 34354fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth } 343672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 3437fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor friend class ASTContext; // ASTContext creates these 343872c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 34394fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth const CanonicalTTPTInfo& getCanTTPTInfo() const { 34404fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth QualType Can = getCanonicalTypeInternal(); 34415d65e34b08b3e57a4da834195757d0d15baaffd0Chandler Carruth return Can->castAs<TemplateTypeParmType>()->CanTTPTInfo; 34424fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth } 34434fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth 3444fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorpublic: 34454fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned getDepth() const { return getCanTTPTInfo().Depth; } 34464fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned getIndex() const { return getCanTTPTInfo().Index; } 34474fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth bool isParameterPack() const { return getCanTTPTInfo().ParameterPack; } 34484fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth 34494fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmDecl *getDecl() const { 34504fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth return isCanonicalUnqualified() ? 0 : TTPDecl; 34514fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth } 34524fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth 3453b7efff4bae117604f442bb6859c844f90b15f3ffChandler Carruth IdentifierInfo *getIdentifier() const; 34541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3455bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3456bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3457bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3458fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 34594fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth Profile(ID, getDepth(), getIndex(), isParameterPack(), getDecl()); 3460fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 3461fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 34621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, unsigned Depth, 34631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned Index, bool ParameterPack, 34644fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmDecl *TTPDecl) { 3465fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Depth); 3466fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Index); 346776e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson ID.AddBoolean(ParameterPack); 34684fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth ID.AddPointer(TTPDecl); 3469fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 3470fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 34711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 34721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateTypeParm; 347372c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor } 347472c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor static bool classof(const TemplateTypeParmType *T) { return true; } 347572c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor}; 3476fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 347749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Represents the result of substituting a type for a template 347849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type parameter. 347949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// 348049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// Within an instantiated template, all template type parameters have 348149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// been replaced with these. They are used solely to record that a 348249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type was originally written as a template type parameter; 348349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// therefore they are never canonical. 348449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallclass SubstTemplateTypeParmType : public Type, public llvm::FoldingSetNode { 348549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall // The original type parameter. 348649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced; 348749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 348849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(const TemplateTypeParmType *Param, QualType Canon) 348935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(SubstTemplateTypeParm, Canon, Canon->isDependentType(), 3490561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Canon->isInstantiationDependentType(), 3491d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Canon->isVariablyModifiedType(), 3492d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Canon->containsUnexpandedParameterPack()), 349349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Replaced(Param) { } 349449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 349549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall friend class ASTContext; 349649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 349749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallpublic: 349849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the template parameter that was substituted for. 349949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *getReplacedParameter() const { 350049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return Replaced; 350149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 350249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 350349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the type that was substituted for the template 350449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// parameter. 350549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType getReplacementType() const { 350649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getCanonicalTypeInternal(); 350749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 350849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 350949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall bool isSugared() const { return true; } 351049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType desugar() const { return getReplacementType(); } 351149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 351249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 351349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Profile(ID, getReplacedParameter(), getReplacementType()); 351449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 351549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, 351649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced, 351749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 351849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replaced); 351949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replacement.getAsOpaquePtr()); 352049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 352149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 352249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const Type *T) { 352349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return T->getTypeClass() == SubstTemplateTypeParm; 352449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 352549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const SubstTemplateTypeParmType *T) { return true; } 352649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall}; 352749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 3528c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// \brief Represents the result of substituting a set of types for a template 3529c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// type parameter pack. 3530c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// 3531c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// When a pack expansion in the source code contains multiple parameter packs 3532c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// and those parameter packs correspond to different levels of template 3533ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// parameter lists, this type node is used to represent a template type 3534c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// parameter pack from an outer level, which has already had its argument pack 3535c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// substituted but that still lives within a pack expansion that itself 3536c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// could not be instantiated. When actually performing a substitution into 3537c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// that pack expansion (e.g., when all template parameters have corresponding 3538c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// arguments), this type will be replaced with the \c SubstTemplateTypeParmType 3539c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// at the current pack substitution index. 3540c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregorclass SubstTemplateTypeParmPackType : public Type, public llvm::FoldingSetNode { 3541c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// \brief The original type parameter. 3542c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *Replaced; 3543ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3544c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// \brief A pointer to the set of template arguments that this 3545c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// parameter pack is instantiated with. 3546c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument *Arguments; 3547ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3548c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// \brief The number of template arguments in \c Arguments. 3549c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor unsigned NumArguments; 3550ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3551ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SubstTemplateTypeParmPackType(const TemplateTypeParmType *Param, 3552c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor QualType Canon, 3553c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument &ArgPack); 3554ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3555c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor friend class ASTContext; 3556ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3557c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregorpublic: 3558b7efff4bae117604f442bb6859c844f90b15f3ffChandler Carruth IdentifierInfo *getIdentifier() const { return Replaced->getIdentifier(); } 3559ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3560c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// Gets the template parameter that was substituted for. 3561c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *getReplacedParameter() const { 3562c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return Replaced; 3563c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 3564ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3565c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor bool isSugared() const { return false; } 3566c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor QualType desugar() const { return QualType(this, 0); } 3567ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3568c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor TemplateArgument getArgumentPack() const; 3569ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3570c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID); 3571c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, 3572c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *Replaced, 3573c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument &ArgPack); 3574ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3575c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor static bool classof(const Type *T) { 3576c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return T->getTypeClass() == SubstTemplateTypeParmPack; 3577c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 3578c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor static bool classof(const SubstTemplateTypeParmPackType *T) { return true; } 3579c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor}; 3580c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 358134b41d939a1328f484511c6002ba2456db879a29Richard Smith/// \brief Represents a C++0x auto type. 358234b41d939a1328f484511c6002ba2456db879a29Richard Smith/// 358334b41d939a1328f484511c6002ba2456db879a29Richard Smith/// These types are usually a placeholder for a deduced type. However, within 358434b41d939a1328f484511c6002ba2456db879a29Richard Smith/// templates and before the initializer is attached, there is no deduced type 358534b41d939a1328f484511c6002ba2456db879a29Richard Smith/// and an auto type is type-dependent and canonical. 358634b41d939a1328f484511c6002ba2456db879a29Richard Smithclass AutoType : public Type, public llvm::FoldingSetNode { 358734b41d939a1328f484511c6002ba2456db879a29Richard Smith AutoType(QualType DeducedType) 358834b41d939a1328f484511c6002ba2456db879a29Richard Smith : Type(Auto, DeducedType.isNull() ? QualType(this, 0) : DeducedType, 358934b41d939a1328f484511c6002ba2456db879a29Richard Smith /*Dependent=*/DeducedType.isNull(), 3590561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/DeducedType.isNull(), 359134b41d939a1328f484511c6002ba2456db879a29Richard Smith /*VariablyModified=*/false, /*ContainsParameterPack=*/false) { 359234b41d939a1328f484511c6002ba2456db879a29Richard Smith assert((DeducedType.isNull() || !DeducedType->isDependentType()) && 359334b41d939a1328f484511c6002ba2456db879a29Richard Smith "deduced a dependent type for auto"); 359434b41d939a1328f484511c6002ba2456db879a29Richard Smith } 359534b41d939a1328f484511c6002ba2456db879a29Richard Smith 359634b41d939a1328f484511c6002ba2456db879a29Richard Smith friend class ASTContext; // ASTContext creates these 359734b41d939a1328f484511c6002ba2456db879a29Richard Smith 359834b41d939a1328f484511c6002ba2456db879a29Richard Smithpublic: 359934b41d939a1328f484511c6002ba2456db879a29Richard Smith bool isSugared() const { return isDeduced(); } 360034b41d939a1328f484511c6002ba2456db879a29Richard Smith QualType desugar() const { return getCanonicalTypeInternal(); } 360134b41d939a1328f484511c6002ba2456db879a29Richard Smith 360234b41d939a1328f484511c6002ba2456db879a29Richard Smith QualType getDeducedType() const { 360334b41d939a1328f484511c6002ba2456db879a29Richard Smith return isDeduced() ? getCanonicalTypeInternal() : QualType(); 360434b41d939a1328f484511c6002ba2456db879a29Richard Smith } 360534b41d939a1328f484511c6002ba2456db879a29Richard Smith bool isDeduced() const { 360634b41d939a1328f484511c6002ba2456db879a29Richard Smith return !isDependentType(); 360734b41d939a1328f484511c6002ba2456db879a29Richard Smith } 360834b41d939a1328f484511c6002ba2456db879a29Richard Smith 360934b41d939a1328f484511c6002ba2456db879a29Richard Smith void Profile(llvm::FoldingSetNodeID &ID) { 361034b41d939a1328f484511c6002ba2456db879a29Richard Smith Profile(ID, getDeducedType()); 361134b41d939a1328f484511c6002ba2456db879a29Richard Smith } 361234b41d939a1328f484511c6002ba2456db879a29Richard Smith 361334b41d939a1328f484511c6002ba2456db879a29Richard Smith static void Profile(llvm::FoldingSetNodeID &ID, 361434b41d939a1328f484511c6002ba2456db879a29Richard Smith QualType Deduced) { 361534b41d939a1328f484511c6002ba2456db879a29Richard Smith ID.AddPointer(Deduced.getAsOpaquePtr()); 361634b41d939a1328f484511c6002ba2456db879a29Richard Smith } 361734b41d939a1328f484511c6002ba2456db879a29Richard Smith 361834b41d939a1328f484511c6002ba2456db879a29Richard Smith static bool classof(const Type *T) { 361934b41d939a1328f484511c6002ba2456db879a29Richard Smith return T->getTypeClass() == Auto; 362034b41d939a1328f484511c6002ba2456db879a29Richard Smith } 362134b41d939a1328f484511c6002ba2456db879a29Richard Smith static bool classof(const AutoType *T) { return true; } 362234b41d939a1328f484511c6002ba2456db879a29Richard Smith}; 362334b41d939a1328f484511c6002ba2456db879a29Richard Smith 36241901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// \brief Represents a type template specialization; the template 36251901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// must be a class template, a type alias template, or a template 36261901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// template parameter. A template which cannot be resolved to one of 36271901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// these, e.g. because it is written with a dependent scope 36281901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// specifier, is instead represented as a 36291901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// @c DependentTemplateSpecializationType. 363055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// 36311901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// A non-dependent template specialization type is always "sugar", 36321901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// typically for a @c RecordType. For example, a class template 36331901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// specialization type of @c vector<int> will refer to a tag type for 36341901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// the instantiation @c std::vector<int, std::allocator<int>> 36357532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// 36361901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// Template specializations are dependent if either the template or 36371901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// any of the template arguments are dependent, in which case the 36381901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// type may also be canonical. 36393e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith/// 36401901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// Instances of this type are allocated with a trailing array of 36411901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// TemplateArguments, followed by a QualType representing the 36421901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// non-canonical aliased type when the template is a type alias 36431901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// template. 36441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass TemplateSpecializationType 364555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor : public Type, public llvm::FoldingSetNode { 36461901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall /// \brief The name of the template being specialized. This is 36471901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall /// either a TemplateName::Template (in which case it is a 36481901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall /// ClassTemplateDecl*, a TemplateTemplateParmDecl*, or a 3649146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall /// TypeAliasTemplateDecl*), a 3650146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall /// TemplateName::SubstTemplateTemplateParmPack, or a 3651146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall /// TemplateName::SubstTemplateTemplateParm (in which case the 3652146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall /// replacement must, recursively, be one of these). 36537532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Template; 365455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 365540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief - The number of template arguments named in this class 365640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// template specialization. 3657b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor unsigned NumArgs : 31; 365855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 3659b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// \brief Whether this template specialization type is a substituted 3660b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// type alias. 3661b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor bool TypeAlias : 1; 3662b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor 3663ef99001908e799c388f1363b1e607dad5f5b57d3John McCall TemplateSpecializationType(TemplateName T, 36647532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 36653e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith unsigned NumArgs, QualType Canon, 36663e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Aliased); 366755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 366855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor friend class ASTContext; // ASTContext creates these 366955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 367055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregorpublic: 367140808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Determine whether any of the given template arguments are 367240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// dependent. 367340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor static bool anyDependentTemplateArguments(const TemplateArgument *Args, 3674561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor unsigned NumArgs, 3675561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool &InstantiationDependent); 367640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 3677833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static bool anyDependentTemplateArguments(const TemplateArgumentLoc *Args, 3678561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor unsigned NumArgs, 3679561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool &InstantiationDependent); 3680833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 3681561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor static bool anyDependentTemplateArguments(const TemplateArgumentListInfo &, 3682561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool &InstantiationDependent); 3683d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 3684df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// \brief Print a template argument list, including the '<' and '>' 3685df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// enclosing the template arguments. 36867ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis // FIXME: remove the string ones. 3687df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor static std::string PrintTemplateArgumentList(const TemplateArgument *Args, 3688d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned NumArgs, 3689dace95b13e2ceb0c3ec8de6babd926dc5114e1e5Douglas Gregor const PrintingPolicy &Policy, 3690dace95b13e2ceb0c3ec8de6babd926dc5114e1e5Douglas Gregor bool SkipBrackets = false); 3691df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor 3692833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static std::string PrintTemplateArgumentList(const TemplateArgumentLoc *Args, 3693833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs, 3694833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const PrintingPolicy &Policy); 3695833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 3696d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static std::string PrintTemplateArgumentList(const TemplateArgumentListInfo &, 3697d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const PrintingPolicy &Policy); 3698d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 36997ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis /// \brief Print a template argument list, including the '<' and '>' 37007ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis /// enclosing the template arguments. 37017ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis static void PrintTemplateArgumentList(raw_ostream &OS, 37027ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const TemplateArgument *Args, 37037ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis unsigned NumArgs, 37047ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const PrintingPolicy &Policy, 37057ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis bool SkipBrackets = false); 37067ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis 37077ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis static void PrintTemplateArgumentList(raw_ostream &OS, 37087ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const TemplateArgumentLoc *Args, 37097ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis unsigned NumArgs, 37107ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const PrintingPolicy &Policy); 37117ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis 37127ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis static void PrintTemplateArgumentList(raw_ostream &OS, 37137ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const TemplateArgumentListInfo &, 37147ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const PrintingPolicy &Policy); 37157ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis 371631f17ecbef57b5679c017c375db330546b7b5145John McCall /// True if this template specialization type matches a current 371731f17ecbef57b5679c017c375db330546b7b5145John McCall /// instantiation in the context in which it is found. 371831f17ecbef57b5679c017c375db330546b7b5145John McCall bool isCurrentInstantiation() const { 371971d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall return isa<InjectedClassNameType>(getCanonicalTypeInternal()); 372031f17ecbef57b5679c017c375db330546b7b5145John McCall } 372131f17ecbef57b5679c017c375db330546b7b5145John McCall 3722b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// \brief Determine if this template specialization type is for a type alias 3723b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// template that has been substituted. 3724b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// 3725b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// Nearly every template specialization type whose template is an alias 3726b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// template will be substituted. However, this is not the case when 3727b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// the specialization contains a pack expansion but the template alias 3728b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// does not have a corresponding parameter pack, e.g., 3729b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// 3730b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// \code 3731b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// template<typename T, typename U, typename V> struct S; 3732b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// template<typename T, typename U> using A = S<T, int, U>; 3733b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// template<typename... Ts> struct X { 3734b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// typedef A<Ts...> type; // not a type alias 3735b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// }; 3736b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// \endcode 3737b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor bool isTypeAlias() const { return TypeAlias; } 3738b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor 37393e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith /// Get the aliased type, if this is a specialization of a type alias 37403e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith /// template. 37413e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType getAliasedType() const { 37423e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith assert(isTypeAlias() && "not a type alias template specialization"); 37433e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return *reinterpret_cast<const QualType*>(end()); 37443e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 37453e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 374640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor typedef const TemplateArgument * iterator; 374740808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 374840808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor iterator begin() const { return getArgs(); } 374933500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // defined inline in TemplateBase.h 375040808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 37517532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor /// \brief Retrieve the name of the template that we are specializing. 37527532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName getTemplateName() const { return Template; } 375355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 375440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the template arguments. 37551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const TemplateArgument *getArgs() const { 375640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor return reinterpret_cast<const TemplateArgument *>(this + 1); 375740808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor } 375840808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 375940808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the number of template arguments. 376055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned getNumArgs() const { return NumArgs; } 376155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 376255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \brief Retrieve a specific template argument as a type. 3763809d1be9820039b4cf6efa48246a0d70ffa13394James Dennett /// \pre @c isArgType(Arg) 376433500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 376555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 376631f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { 37673e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return !isDependentType() || isCurrentInstantiation() || isTypeAlias(); 376831f17ecbef57b5679c017c375db330546b7b5145John McCall } 3769bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getCanonicalTypeInternal(); } 3770bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 37714ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Ctx) { 377271d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall Profile(ID, Template, getArgs(), NumArgs, Ctx); 37733e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (isTypeAlias()) 37743e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith getAliasedType().Profile(ID); 377555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 377655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 37777532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, TemplateName T, 377831f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateArgument *Args, 377931f17ecbef57b5679c017c375db330546b7b5145John McCall unsigned NumArgs, 37804ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context); 378155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 37821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 37831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateSpecialization; 378455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 37857532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static bool classof(const TemplateSpecializationType *T) { return true; } 378655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor}; 378755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 378831f17ecbef57b5679c017c375db330546b7b5145John McCall/// \brief The injected class name of a C++ class template or class 378931f17ecbef57b5679c017c375db330546b7b5145John McCall/// template partial specialization. Used to record that a type was 379031f17ecbef57b5679c017c375db330546b7b5145John McCall/// spelled with a bare identifier rather than as a template-id; the 379131f17ecbef57b5679c017c375db330546b7b5145John McCall/// equivalent for non-templated classes is just RecordType. 37923cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 379331f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always dependent. Template 379431f17ecbef57b5679c017c375db330546b7b5145John McCall/// instantiation turns these into RecordTypes. 37953cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 379631f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always canonical. This works 379731f17ecbef57b5679c017c375db330546b7b5145John McCall/// because it is impossible to compare an injected class name type 379831f17ecbef57b5679c017c375db330546b7b5145John McCall/// with the corresponding non-injected template type, for the same 379931f17ecbef57b5679c017c375db330546b7b5145John McCall/// reason that it is impossible to directly compare template 380031f17ecbef57b5679c017c375db330546b7b5145John McCall/// parameters from different dependent contexts: injected class name 380131f17ecbef57b5679c017c375db330546b7b5145John McCall/// types can only occur within the scope of a particular templated 380231f17ecbef57b5679c017c375db330546b7b5145John McCall/// declaration, and within that scope every template specialization 380331f17ecbef57b5679c017c375db330546b7b5145John McCall/// will canonicalize to the injected class name (when appropriate 380431f17ecbef57b5679c017c375db330546b7b5145John McCall/// according to the rules of the language). 38053cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallclass InjectedClassNameType : public Type { 38063cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall CXXRecordDecl *Decl; 38073cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 380831f17ecbef57b5679c017c375db330546b7b5145John McCall /// The template specialization which this type represents. 380931f17ecbef57b5679c017c375db330546b7b5145John McCall /// For example, in 381031f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class T> class A { ... }; 381131f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<T>, whereas in 381231f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class X, class Y> class A<B<X,Y> > { ... }; 381331f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<B<X,Y> >. 381431f17ecbef57b5679c017c375db330546b7b5145John McCall /// 381531f17ecbef57b5679c017c375db330546b7b5145John McCall /// It is always unqualified, always a template specialization type, 381631f17ecbef57b5679c017c375db330546b7b5145John McCall /// and always dependent. 381731f17ecbef57b5679c017c375db330546b7b5145John McCall QualType InjectedType; 38183cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 38193cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall friend class ASTContext; // ASTContext creates these. 3820c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; // FIXME: ASTContext::getInjectedClassNameType is not 3821c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl // currently suitable for AST reading, too much 382243921b53b582145f0d1b7c48223bd4d9f0a9d1beArgyrios Kyrtzidis // interdependencies. 382331f17ecbef57b5679c017c375db330546b7b5145John McCall InjectedClassNameType(CXXRecordDecl *D, QualType TST) 382435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(InjectedClassName, QualType(), /*Dependent=*/true, 3825561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 3826ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /*VariablyModified=*/false, 3827d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 382831f17ecbef57b5679c017c375db330546b7b5145John McCall Decl(D), InjectedType(TST) { 38293cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<TemplateSpecializationType>(TST)); 38303cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(!TST.hasQualifiers()); 383131f17ecbef57b5679c017c375db330546b7b5145John McCall assert(TST->isDependentType()); 38323cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 38333cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 38343cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallpublic: 383531f17ecbef57b5679c017c375db330546b7b5145John McCall QualType getInjectedSpecializationType() const { return InjectedType; } 383631f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateSpecializationType *getInjectedTST() const { 383731f17ecbef57b5679c017c375db330546b7b5145John McCall return cast<TemplateSpecializationType>(InjectedType.getTypePtr()); 38383cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 38393cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 3840ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl CXXRecordDecl *getDecl() const; 38413cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 384231f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { return false; } 384331f17ecbef57b5679c017c375db330546b7b5145John McCall QualType desugar() const { return QualType(this, 0); } 38443cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 38453cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const Type *T) { 38463cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return T->getTypeClass() == InjectedClassName; 38473cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 38483cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const InjectedClassNameType *T) { return true; } 38493cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall}; 38503cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 3851465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief The kind of a tag type. 3852465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraenum TagTypeKind { 3853465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "struct" keyword. 3854465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Struct, 38556666ed4ed2e2bc13da5ac5d0a4947019137d45beJoao Matos /// \brief The "__interface" keyword. 38566666ed4ed2e2bc13da5ac5d0a4947019137d45beJoao Matos TTK_Interface, 3857465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "union" keyword. 3858465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Union, 3859465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword. 3860465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Class, 3861465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "enum" keyword. 3862465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Enum 3863465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 3864465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 38654a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief The elaboration keyword that precedes a qualified type name or 38664a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// introduces an elaborated-type-specifier. 38674a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregorenum ElaboratedTypeKeyword { 38684a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "struct" keyword introduces the elaborated-type-specifier. 38694a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Struct, 38706666ed4ed2e2bc13da5ac5d0a4947019137d45beJoao Matos /// \brief The "__interface" keyword introduces the elaborated-type-specifier. 38716666ed4ed2e2bc13da5ac5d0a4947019137d45beJoao Matos ETK_Interface, 38724a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "union" keyword introduces the elaborated-type-specifier. 38734a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Union, 3874465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword introduces the elaborated-type-specifier. 3875465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Class, 38764a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "enum" keyword introduces the elaborated-type-specifier. 3877465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Enum, 3878465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "typename" keyword precedes the qualified type name, e.g., 3879465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \c typename T::type. 3880465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Typename, 3881465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief No keyword precedes the qualified type name. 3882465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_None 38834a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor}; 3884465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3885465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// A helper class for Type nodes having an ElaboratedTypeKeyword. 3886465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The keyword in stored in the free bits of the base class. 3887465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// Also provides a few static helpers for converting and printing 3888465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// elaborated type keyword and tag type kind enumerations. 3889465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass TypeWithKeyword : public Type { 3890465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraprotected: 3891465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TypeWithKeyword(ElaboratedTypeKeyword Keyword, TypeClass tc, 3892ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie QualType Canonical, bool Dependent, 3893ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie bool InstantiationDependent, bool VariablyModified, 3894d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool ContainsUnexpandedParameterPack) 3895ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Type(tc, Canonical, Dependent, InstantiationDependent, VariablyModified, 3896d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ContainsUnexpandedParameterPack) { 389777be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall TypeWithKeywordBits.Keyword = Keyword; 389877be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall } 3899465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3900465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnarapublic: 3901465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypeKeyword getKeyword() const { 390277be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall return static_cast<ElaboratedTypeKeyword>(TypeWithKeywordBits.Keyword); 3903465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 3904465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3905465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTypeSpec - Converts a type specifier (DeclSpec::TST) 3906465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into an elaborated type keyword. 3907465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTypeSpec(unsigned TypeSpec); 3908465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3909465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForTypeSpec - Converts a type specifier (DeclSpec::TST) 3910465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into a tag type kind. It is an error to provide a type specifier 3911465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 3912465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForTypeSpec(unsigned TypeSpec); 3913465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3914465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTagDeclKind - Converts a TagTypeKind into an 3915465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// elaborated type keyword. 3916465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTagTypeKind(TagTypeKind Tag); 3917465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3918465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForKeyword - Converts an elaborated type keyword into 3919465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara // a TagTypeKind. It is an error to provide an elaborated type keyword 3920465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 3921465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForKeyword(ElaboratedTypeKeyword Keyword); 3922465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3923465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool KeywordIsTagTypeKind(ElaboratedTypeKeyword Keyword); 3924465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3925465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getKeywordName(ElaboratedTypeKeyword Keyword); 3926465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3927465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getTagTypeKindName(TagTypeKind Kind) { 3928465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getKeywordName(getKeywordForTagTypeKind(Kind)); 3929465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 3930465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3931465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara class CannotCastToThisType {}; 3932465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static CannotCastToThisType classof(const Type *); 3933465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 3934465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3935465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief Represents a type that was referred to using an elaborated type 3936465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// keyword, e.g., struct S, or via a qualified name, e.g., N::M::type, 3937465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// or both. 3938e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// 3939e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// This type is used to keep track of a type name as written in the 3940465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// source code, including tag keywords and any nested-name-specifiers. 3941465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The type itself is always "sugar", used to express what was written 3942465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// in the source code but containing no additional semantic information. 3943465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass ElaboratedType : public TypeWithKeyword, public llvm::FoldingSetNode { 3944465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3945ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The nested name specifier containing the qualifier. 3946ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *NNS; 3947e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3948e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief The type that this qualified name refers to. 3949e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType; 3950e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3951465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 3952465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType, QualType CanonType) 3953465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara : TypeWithKeyword(Keyword, Elaborated, CanonType, 395435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor NamedType->isDependentType(), 3955561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor NamedType->isInstantiationDependentType(), 3956d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor NamedType->isVariablyModifiedType(), 3957d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor NamedType->containsUnexpandedParameterPack()), 3958465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), NamedType(NamedType) { 3959465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!(Keyword == ETK_None && NNS == 0) && 3960465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "ElaboratedType cannot have elaborated type keyword " 3961465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "and name qualifier both null."); 3962465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 3963e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3964e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor friend class ASTContext; // ASTContext creates these 3965e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3966e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregorpublic: 396733500955d731c73717af52088b7fc0e7a85681e7John McCall ~ElaboratedType(); 3968465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3969ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief Retrieve the qualification on this type. 3970ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 3971e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3972e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief Retrieve the type named by the qualified-id. 3973e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType getNamedType() const { return NamedType; } 3974e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3975bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 3976bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getNamedType(); } 3977bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3978bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 3979bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 3980bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3981e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 3982465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, NamedType); 3983e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 3984e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3985465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 3986465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, QualType NamedType) { 3987465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ID.AddInteger(Keyword); 3988ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor ID.AddPointer(NNS); 3989ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NamedType.Profile(ID); 3990ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor } 3991e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 39921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 3993465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return T->getTypeClass() == Elaborated; 3994e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 3995465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool classof(const ElaboratedType *T) { return true; } 3996e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor}; 3997e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 39984a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief Represents a qualified type name for which the type name is 3999ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// dependent. 4000d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor/// 4001ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// DependentNameType represents a class of dependent types that involve a 4002ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// dependent nested-name-specifier (e.g., "T::") followed by a (dependent) 40034a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// name of a type. The DependentNameType may start with a "typename" (for a 4004ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// typename-specifier), "class", "struct", "union", or "enum" (for a 40054a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent elaborated-type-specifier), or nothing (in contexts where we 40064a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// know that we must be referring to a type, e.g., in a base class specifier). 4007465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass DependentNameType : public TypeWithKeyword, public llvm::FoldingSetNode { 4008465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 4009d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The nested name specifier containing the qualifier. 4010d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *NNS; 4011d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 4012d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The type that this typename specifier refers to. 401333500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 4014d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 4015ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie DependentNameType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 40164a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, QualType CanonType) 401735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : TypeWithKeyword(Keyword, DependentName, CanonType, /*Dependent=*/true, 4018561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 4019d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, 4020d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor NNS->containsUnexpandedParameterPack()), 4021465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), Name(Name) { 40221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(NNS->isDependent() && 40234714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor "DependentNameType requires a dependent nested-name-specifier"); 4024d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 4025d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 4026d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor friend class ASTContext; // ASTContext creates these 4027d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 4028d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregorpublic: 4029d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief Retrieve the qualification on this type. 4030d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 4031d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 40321734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// \brief Retrieve the type named by the typename specifier as an 40331734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// identifier. 40341734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// 40351734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// This routine will return a non-NULL identifier pointer when the 40361734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// form of the original typename was terminated by an identifier, 40371734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// e.g., "typename T::type". 40381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const IdentifierInfo *getIdentifier() const { 403933500955d731c73717af52088b7fc0e7a85681e7John McCall return Name; 40401734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 4041d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 4042bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 4043bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 4044bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 4045d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 4046465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, Name); 4047d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 4048d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 40494a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 405033500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, const IdentifierInfo *Name) { 40514a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ID.AddInteger(Keyword); 4052d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor ID.AddPointer(NNS); 405333500955d731c73717af52088b7fc0e7a85681e7John McCall ID.AddPointer(Name); 4054d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 4055d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 40561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 40574714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor return T->getTypeClass() == DependentName; 4058d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 40594714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor static bool classof(const DependentNameType *T) { return true; } 4060d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor}; 4061d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 406233500955d731c73717af52088b7fc0e7a85681e7John McCall/// DependentTemplateSpecializationType - Represents a template 406333500955d731c73717af52088b7fc0e7a85681e7John McCall/// specialization type whose template cannot be resolved, e.g. 406433500955d731c73717af52088b7fc0e7a85681e7John McCall/// A<T>::template B<T> 406533500955d731c73717af52088b7fc0e7a85681e7John McCallclass DependentTemplateSpecializationType : 406633500955d731c73717af52088b7fc0e7a85681e7John McCall public TypeWithKeyword, public llvm::FoldingSetNode { 406733500955d731c73717af52088b7fc0e7a85681e7John McCall 406833500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The nested name specifier containing the qualifier. 406933500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS; 407033500955d731c73717af52088b7fc0e7a85681e7John McCall 407133500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The identifier of the template. 407233500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 407333500955d731c73717af52088b7fc0e7a85681e7John McCall 407433500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief - The number of template arguments named in this class 407533500955d731c73717af52088b7fc0e7a85681e7John McCall /// template specialization. 407633500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs; 407733500955d731c73717af52088b7fc0e7a85681e7John McCall 407833500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgBuffer() const { 407933500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<const TemplateArgument*>(this+1); 408033500955d731c73717af52088b7fc0e7a85681e7John McCall } 408133500955d731c73717af52088b7fc0e7a85681e7John McCall TemplateArgument *getArgBuffer() { 408233500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<TemplateArgument*>(this+1); 408333500955d731c73717af52088b7fc0e7a85681e7John McCall } 408433500955d731c73717af52088b7fc0e7a85681e7John McCall 4085ef99001908e799c388f1363b1e607dad5f5b57d3John McCall DependentTemplateSpecializationType(ElaboratedTypeKeyword Keyword, 408633500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 408733500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 408833500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 408933500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args, 409033500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon); 409133500955d731c73717af52088b7fc0e7a85681e7John McCall 409233500955d731c73717af52088b7fc0e7a85681e7John McCall friend class ASTContext; // ASTContext creates these 409333500955d731c73717af52088b7fc0e7a85681e7John McCall 409433500955d731c73717af52088b7fc0e7a85681e7John McCallpublic: 409533500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *getQualifier() const { return NNS; } 409633500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *getIdentifier() const { return Name; } 409733500955d731c73717af52088b7fc0e7a85681e7John McCall 409833500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the template arguments. 409933500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgs() const { 410033500955d731c73717af52088b7fc0e7a85681e7John McCall return getArgBuffer(); 410133500955d731c73717af52088b7fc0e7a85681e7John McCall } 410233500955d731c73717af52088b7fc0e7a85681e7John McCall 410333500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the number of template arguments. 410433500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned getNumArgs() const { return NumArgs; } 410533500955d731c73717af52088b7fc0e7a85681e7John McCall 410633500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 410733500955d731c73717af52088b7fc0e7a85681e7John McCall 410833500955d731c73717af52088b7fc0e7a85681e7John McCall typedef const TemplateArgument * iterator; 410933500955d731c73717af52088b7fc0e7a85681e7John McCall iterator begin() const { return getArgs(); } 411033500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // inline in TemplateBase.h 411133500955d731c73717af52088b7fc0e7a85681e7John McCall 411233500955d731c73717af52088b7fc0e7a85681e7John McCall bool isSugared() const { return false; } 411333500955d731c73717af52088b7fc0e7a85681e7John McCall QualType desugar() const { return QualType(this, 0); } 411433500955d731c73717af52088b7fc0e7a85681e7John McCall 41154ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context) { 411633500955d731c73717af52088b7fc0e7a85681e7John McCall Profile(ID, Context, getKeyword(), NNS, Name, NumArgs, getArgs()); 411733500955d731c73717af52088b7fc0e7a85681e7John McCall } 411833500955d731c73717af52088b7fc0e7a85681e7John McCall 411933500955d731c73717af52088b7fc0e7a85681e7John McCall static void Profile(llvm::FoldingSetNodeID &ID, 41204ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context, 412133500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 412233500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *Qualifier, 412333500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 412433500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 412533500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args); 412633500955d731c73717af52088b7fc0e7a85681e7John McCall 412733500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const Type *T) { 412833500955d731c73717af52088b7fc0e7a85681e7John McCall return T->getTypeClass() == DependentTemplateSpecialization; 412933500955d731c73717af52088b7fc0e7a85681e7John McCall } 413033500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const DependentTemplateSpecializationType *T) { 413133500955d731c73717af52088b7fc0e7a85681e7John McCall return true; 4132ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 413333500955d731c73717af52088b7fc0e7a85681e7John McCall}; 413433500955d731c73717af52088b7fc0e7a85681e7John McCall 41357536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// \brief Represents a pack expansion of types. 41367536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 41377536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// Pack expansions are part of C++0x variadic templates. A pack 41387536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// expansion contains a pattern, which itself contains one or more 41397536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// "unexpanded" parameter packs. When instantiated, a pack expansion 41407536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// produces a series of types, each instantiated from the pattern of 41417536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// the expansion, where the Ith instantiation of the pattern uses the 41427536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// Ith arguments bound to each of the unexpanded parameter packs. The 41437536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// pack expansion is considered to "expand" these unexpanded 41447536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// parameter packs. 41457536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 41467536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// \code 41477536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// template<typename ...Types> struct tuple; 41487536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 4149ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// template<typename ...Types> 41507536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// struct tuple_of_references { 41517536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// typedef tuple<Types&...> type; 41527536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// }; 41537536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// \endcode 41547536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 41557536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// Here, the pack expansion \c Types&... is represented via a 41567536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// PackExpansionType whose pattern is Types&. 41577536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregorclass PackExpansionType : public Type, public llvm::FoldingSetNode { 41587536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// \brief The pattern of the pack expansion. 41597536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType Pattern; 41607536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 4161cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// \brief The number of expansions that this pack expansion will 4162ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// generate when substituted (+1), or indicates that 4163cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// 4164ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// This field will only have a non-zero value when some of the parameter 4165ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// packs that occur within the pattern have been substituted but others have 4166cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// not. 4167cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor unsigned NumExpansions; 4168ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 4169cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor PackExpansionType(QualType Pattern, QualType Canon, 4170cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> NumExpansions) 4171aa488ea287c219565b5169d50142947d1b63a6caRichard Smith : Type(PackExpansion, Canon, /*Dependent=*/Pattern->isDependentType(), 4172561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 41737536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /*VariableModified=*/Pattern->isVariablyModifiedType(), 41747536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 4175ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Pattern(Pattern), 4176cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor NumExpansions(NumExpansions? *NumExpansions + 1: 0) { } 41777536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 41787536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor friend class ASTContext; // ASTContext creates these 4179ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 41807536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregorpublic: 41817536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// \brief Retrieve the pattern of this pack expansion, which is the 41827536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// type that will be repeatedly instantiated when instantiating the 41837536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// pack expansion itself. 41847536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType getPattern() const { return Pattern; } 41857536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 4186cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// \brief Retrieve the number of expansions that this pack expansion will 4187cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// generate, if known. 4188cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> getNumExpansions() const { 4189cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor if (NumExpansions) 4190cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor return NumExpansions - 1; 4191ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 4192cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor return llvm::Optional<unsigned>(); 4193cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor } 4194ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 41957536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor bool isSugared() const { return false; } 41967536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType desugar() const { return QualType(this, 0); } 41977536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 41987536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 4199cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor Profile(ID, getPattern(), getNumExpansions()); 42007536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 42017536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 4202cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, QualType Pattern, 4203cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> NumExpansions) { 42047536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor ID.AddPointer(Pattern.getAsOpaquePtr()); 4205cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor ID.AddBoolean(NumExpansions); 4206cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor if (NumExpansions) 4207cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor ID.AddInteger(*NumExpansions); 42087536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 42097536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 42107536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor static bool classof(const Type *T) { 42117536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return T->getTypeClass() == PackExpansion; 42127536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 42137536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor static bool classof(const PackExpansionType *T) { 42147536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return true; 4215ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 42167536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor}; 42177536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 4218c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectType - Represents a class type in Objective C. 4219c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Every Objective C type is a combination of a base type and a 4220c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// list of protocols. 4221c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 4222c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Given the following declarations: 422341c2bcff88a23a046ee8d71451bc03717a4248f6Chandler Carruth/// \code 422441c2bcff88a23a046ee8d71451bc03717a4248f6Chandler Carruth/// \@class C; 422541c2bcff88a23a046ee8d71451bc03717a4248f6Chandler Carruth/// \@protocol P; 422641c2bcff88a23a046ee8d71451bc03717a4248f6Chandler Carruth/// \endcode 4227c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 4228c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C' is an ObjCInterfaceType C. It is sugar for an ObjCObjectType 4229c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// with base C and no protocols. 4230c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 4231c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C<P>' is an ObjCObjectType with base C and protocol list [P]. 4232c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 4233e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id' is a TypedefType which is sugar for an ObjCPointerType whose 4234e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// pointee is an ObjCObjectType with base BuiltinType::ObjCIdType 4235e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// and no protocols. 4236c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 4237e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id<P>' is an ObjCPointerType whose pointee is an ObjCObjecType 4238e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// with base BuiltinType::ObjCIdType and protocol list [P]. Eventually 4239e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// this should get its own sugar class to better represent the source. 4240c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectType : public Type { 4241b870b88df784c2940efce448ebfaf54dece14666John McCall // ObjCObjectType.NumProtocols - the number of protocols stored 4242b870b88df784c2940efce448ebfaf54dece14666John McCall // after the ObjCObjectPointerType node. 424371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // 424471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // These protocols are those written directly on the type. If 424571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // protocol qualifiers ever become additive, the iterators will need 424671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // to get kindof complicated. 424771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // 424871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // In the canonical object type, these are sorted alphabetically 424971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // and uniqued. 4250c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 4251c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Either a BuiltinType or an InterfaceType or sugar for either. 4252c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType BaseType; 4253c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4254c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *getProtocolStorage() const { 4255c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return const_cast<ObjCObjectType*>(this)->getProtocolStorage(); 4256c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4257c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4258c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl **getProtocolStorage(); 4259c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4260c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallprotected: 4261ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ObjCObjectType(QualType Canonical, QualType Base, 4262c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, unsigned NumProtocols); 4263c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4264c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum Nonce_ObjCInterface { Nonce_ObjCInterface }; 4265c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(enum Nonce_ObjCInterface) 4266561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(ObjCInterface, QualType(), false, false, false, false), 426771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall BaseType(QualType(this_(), 0)) { 4268b870b88df784c2940efce448ebfaf54dece14666John McCall ObjCObjectTypeBits.NumProtocols = 0; 426971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 4270c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 42713536b443bc50d58a79f14fca9b6842541a434854Steve Naroffpublic: 4272e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getBaseType - Gets the base type of this object type. This is 4273e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// always (possibly sugar for) one of: 4274e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'id' builtin type (as opposed to the 'id' type visible to the 4275e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user, which is a typedef for an ObjCPointerType) 4276e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'Class' builtin type (same caveat) 4277e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - an ObjCObjectType (currently always an ObjCInterfaceType) 4278c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType getBaseType() const { return BaseType; } 427971842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek 4280c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCId() const { 4281c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCId); 4282c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4283c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCClass() const { 4284c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCClass); 4285c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4286c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedId() const { return qual_empty() && isObjCId(); } 4287c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedClass() const { return qual_empty() && isObjCClass(); } 4288c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedIdOrClass() const { 4289c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!qual_empty()) return false; 4290c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const BuiltinType *T = getBaseType()->getAs<BuiltinType>()) 4291c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getKind() == BuiltinType::ObjCId || 4292c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getKind() == BuiltinType::ObjCClass; 4293c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return false; 4294c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4295c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedId() const { return !qual_empty() && isObjCId(); } 4296c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedClass() const { return !qual_empty() && isObjCClass(); } 4297c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4298c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Gets the interface declaration for this object type, if the base type 4299c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// really is an interface. 4300c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *getInterface() const; 4301c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4302c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCProtocolDecl * const *qual_iterator; 4303c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4304c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_begin() const { return getProtocolStorage(); } 4305c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { return qual_begin() + getNumProtocols(); } 4306c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4307c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getNumProtocols() == 0; } 43081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4309c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// getNumProtocols - Return the number of qualifying protocols in this 4310c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// interface type, or 0 if there are none. 4311b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getNumProtocols() const { return ObjCObjectTypeBits.NumProtocols; } 431214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4313c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// \brief Fetch a protocol by index. 431473dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 431573dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor assert(I < getNumProtocols() && "Out-of-range protocol access"); 431673dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor return qual_begin()[I]; 431773dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 4318ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 4319bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 4320bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 4321bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 4322c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const Type *T) { 4323c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getTypeClass() == ObjCObject || 4324c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getTypeClass() == ObjCInterface; 4325c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4326c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const ObjCObjectType *) { return true; } 4327c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 4328c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4329c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectTypeImpl - A class providing a concrete implementation 4330c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// of ObjCObjectType, so as to not increase the footprint of 4331c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType. Code outside of ASTContext and the core type 4332c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// system should not reference this type. 4333c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectTypeImpl : public ObjCObjectType, public llvm::FoldingSetNode { 4334c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; 4335c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4336c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If anyone adds fields here, ObjCObjectType::getProtocolStorage() 4337c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // will need to be modified. 4338c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4339ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ObjCObjectTypeImpl(QualType Canonical, QualType Base, 4340c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 4341c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols) 4342c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Canonical, Base, Protocols, NumProtocols) {} 4343c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4344c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 4345c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff void Profile(llvm::FoldingSetNodeID &ID); 43461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, 4347c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Base, 4348ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ObjCProtocolDecl *const *protocols, 4349ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie unsigned NumProtocols); 4350c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 43511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4352c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCProtocolDecl **ObjCObjectType::getProtocolStorage() { 4353c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return reinterpret_cast<ObjCProtocolDecl**>( 4354c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static_cast<ObjCObjectTypeImpl*>(this) + 1); 4355c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 4356c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4357c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType - Interfaces are the core concept in Objective-C for 4358c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// object oriented design. They basically correspond to C++ classes. There 4359c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// are two kinds of interface types, normal interfaces like "NSString" and 4360c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// qualified interfaces, which are qualified with a protocol list like 4361c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// "NSString<NSCopyable, NSAmazing>". 4362e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 4363e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCInterfaceType guarantees the following properties when considered 4364e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// as a subtype of its superclass, ObjCObjectType: 4365e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - There are no protocol qualifiers. To reinforce this, code which 4366e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// tries to invoke the protocol methods via an ObjCInterfaceType will 4367e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// fail to compile. 4368e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - It is its own base type. That is, if T is an ObjCInterfaceType*, 4369e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// T->getBaseType() == QualType(T, 0). 4370c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCInterfaceType : public ObjCObjectType { 43718d2dbbf9ddfd9d762a341d83f83d840ff68ce03dDouglas Gregor mutable ObjCInterfaceDecl *Decl; 4372c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4373c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceType(const ObjCInterfaceDecl *D) 4374c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Nonce_ObjCInterface), 4375c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Decl(const_cast<ObjCInterfaceDecl*>(D)) {} 4376c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; // ASTContext creates these. 437756ca8a9c0fabd65418e9b2fd85140f4ed7d3c187Douglas Gregor friend class ASTReader; 43788d2dbbf9ddfd9d762a341d83f83d840ff68ce03dDouglas Gregor friend class ObjCInterfaceDecl; 43791fb0caaa7bef765b85972274e3b434af2572c141John McCall 4380c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 4381e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getDecl - Get the declaration of this interface. 4382deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceDecl *getDecl() const { return Decl; } 4383c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4384c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isSugared() const { return false; } 4385c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType desugar() const { return QualType(this, 0); } 43860b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 43871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 43881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCInterface; 43893536b443bc50d58a79f14fca9b6842541a434854Steve Naroff } 4390a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCInterfaceType *) { return true; } 4391c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4392c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Nonsense to "hide" certain members of ObjCObjectType within this 4393c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // class. People asking for protocols on an ObjCInterfaceType are 4394c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // not going to get what they want: ObjCInterfaceTypes are 4395c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // guaranteed to have no protocols. 4396c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum { 4397c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator, 4398c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_begin, 4399c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_end, 4400c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getNumProtocols, 4401c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getProtocol 4402c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall }; 44033536b443bc50d58a79f14fca9b6842541a434854Steve Naroff}; 44043536b443bc50d58a79f14fca9b6842541a434854Steve Naroff 4405c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCInterfaceDecl *ObjCObjectType::getInterface() const { 4406c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCInterfaceType *T = 4407c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getBaseType()->getAs<ObjCInterfaceType>()) 4408c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getDecl(); 4409c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return 0; 4410c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 4411c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4412e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCObjectPointerType - Used to represent a pointer to an 4413e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Objective C object. These are constructed from pointer 4414e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// declarators when the pointee type is an ObjCObjectType (or sugar 4415e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for one). In addition, the 'id' and 'Class' types are typedefs 4416e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for these, and the protocol-qualified types 'id<P>' and 'Class<P>' 4417e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// are translated into these. 441814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff/// 4419e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Pointers to pointers to Objective C objects are still PointerTypes; 4420e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// only the first level of pointer gets it own type implementation. 442114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffclass ObjCObjectPointerType : public Type, public llvm::FoldingSetNode { 4422e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall QualType PointeeType; 44231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4424c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType(QualType Canonical, QualType Pointee) 4425561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(ObjCObjectPointer, Canonical, false, false, false, false), 4426c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall PointeeType(Pointee) {} 442714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff friend class ASTContext; // ASTContext creates these. 44281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 442914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffpublic: 4430e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getPointeeType - Gets the type pointed to by this ObjC pointer. 4431e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The result will always be an ObjCObjectType or sugar thereof. 443214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const { return PointeeType; } 443314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4434e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getObjCObjectType - Gets the type pointed to by this ObjC 4435e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// pointer. This method always returns non-null. 4436e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 4437e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// This method is equivalent to getPointeeType() except that 4438e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// it discards any typedefs (or other sugar) between this 4439e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type and the "outermost" object type. So for: 444041c2bcff88a23a046ee8d71451bc03717a4248f6Chandler Carruth /// \code 444141c2bcff88a23a046ee8d71451bc03717a4248f6Chandler Carruth /// \@class A; \@protocol P; \@protocol Q; 4442e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A<P> AP; 4443e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A A1; 4444e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1<P> A1P; 4445e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1P<Q> A1PQ; 444641c2bcff88a23a046ee8d71451bc03717a4248f6Chandler Carruth /// \endcode 4447e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A*', getObjectType() will return 'A'. 4448e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A<P>*', getObjectType() will return 'A<P>'. 4449e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'AP*', getObjectType() will return 'A<P>'. 4450e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1*', getObjectType() will return 'A'. 4451e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1<P>*', getObjectType() will return 'A1<P>'. 4452e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1P*', getObjectType() will return 'A1<P>'. 4453e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1PQ*', getObjectType() will return 'A1<Q>', because 4454e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// adding protocols to a protocol-qualified base discards the 4455e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// old qualifiers (for now). But if it didn't, getObjectType() 4456e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// would return 'A1P<Q>' (and we'd have to make iterating over 4457e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers more complicated). 4458c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getObjectType() const { 4459d0370f59e79702ac908c81bf556519f91e9ca297John McCall return PointeeType->castAs<ObjCObjectType>(); 4460c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4461c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4462e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceType - If this pointer points to an Objective C 446341c2bcff88a23a046ee8d71451bc03717a4248f6Chandler Carruth /// \@interface type, gets the type for that interface. Any protocol 4464e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers on the interface are ignored. 4465e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 4466e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 44671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCInterfaceType *getInterfaceType() const { 4468c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getBaseType()->getAs<ObjCInterfaceType>(); 446914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4470e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 447141c2bcff88a23a046ee8d71451bc03717a4248f6Chandler Carruth /// getInterfaceDecl - If this pointer points to an Objective \@interface 4472e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type, gets the declaration for that interface. 4473e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 4474e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 447514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ObjCInterfaceDecl *getInterfaceDecl() const { 4476e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall return getObjectType()->getInterface(); 447714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4478e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4479e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCIdType - True if this is equivalent to the 'id' type, i.e. if 4480e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// its object type is the primitive 'id' type with no protocols. 448114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const { 4482c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedId(); 448314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4484e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4485e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCClassType - True if this is equivalent to the 'Class' type, 4486e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// i.e. if its object tive is the primitive 'Class' type with no protocols. 448714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const { 4488c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedClass(); 4489de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 4490ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 4491e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedIdType - True if this is equivalent to 'id<P>' for some 4492e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// non-empty set of protocols. 44931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isObjCQualifiedIdType() const { 4494c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedId(); 4495de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 4496e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4497e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedClassType - True if this is equivalent to 'Class<P>' for 4498e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// some non-empty set of protocols. 4499470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const { 4500c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedClass(); 450114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4502e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4503e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// An iterator over the qualifiers on the object type. Provided 4504e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// for convenience. This will always iterate over the full set of 4505e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// protocols on a type, not just those provided directly. 4506c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCObjectType::qual_iterator qual_iterator; 450714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 450871842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek qual_iterator qual_begin() const { 4509c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_begin(); 451071842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 4511c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { 4512c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_end(); 451371842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 4514c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getObjectType()->qual_empty(); } 451514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4516e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getNumProtocols - Return the number of qualifying protocols on 4517e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// the object type. 4518c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned getNumProtocols() const { 4519c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getNumProtocols(); 4520c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 452114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4522e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \brief Retrieve a qualifying protocol by index on the object 4523e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type. 452473dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 4525c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getProtocol(I); 452673dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 4527ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 4528bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 4529bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 4530bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 4531e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall void Profile(llvm::FoldingSetNodeID &ID) { 4532e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall Profile(ID, getPointeeType()); 4533e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall } 4534c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, QualType T) { 4535c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ID.AddPointer(T.getAsOpaquePtr()); 4536c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 45371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 45381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCObjectPointer; 453914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 454014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff static bool classof(const ObjCObjectPointerType *) { return true; } 454114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff}; 45421bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 4543b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedmanclass AtomicType : public Type, public llvm::FoldingSetNode { 4544b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman QualType ValueType; 4545b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 4546b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman AtomicType(QualType ValTy, QualType Canonical) 4547b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman : Type(Atomic, Canonical, ValTy->isDependentType(), 4548b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman ValTy->isInstantiationDependentType(), 4549b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman ValTy->isVariablyModifiedType(), 4550b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman ValTy->containsUnexpandedParameterPack()), 4551b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman ValueType(ValTy) {} 4552b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman friend class ASTContext; // ASTContext creates these. 4553b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 4554b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman public: 4555b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman /// getValueType - Gets the type contained by this atomic type, i.e. 4556b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman /// the type returned by performing an atomic load of this atomic type. 4557b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman QualType getValueType() const { return ValueType; } 4558b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 4559b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman bool isSugared() const { return false; } 4560b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman QualType desugar() const { return QualType(this, 0); } 4561b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 4562b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman void Profile(llvm::FoldingSetNodeID &ID) { 4563b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman Profile(ID, getValueType()); 4564b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 4565b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman static void Profile(llvm::FoldingSetNodeID &ID, QualType T) { 4566b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman ID.AddPointer(T.getAsOpaquePtr()); 4567b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 4568b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman static bool classof(const Type *T) { 4569b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman return T->getTypeClass() == Atomic; 4570b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 4571b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman static bool classof(const AtomicType *) { return true; } 4572b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman}; 4573b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 45740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// A qualifier set is used to build a set of qualifiers. 45750953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualifierCollector : public Qualifiers { 45760953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 457749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualifierCollector(Qualifiers Qs = Qualifiers()) : Qualifiers(Qs) {} 45780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 45790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Collect any qualifiers on the given type and return an 45803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// unqualified type. The qualifiers are assumed to be consistent 45813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// with those already in the type. 45823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *strip(QualType type) { 45833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall addFastQualifiers(type.getLocalFastQualifiers()); 45843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!type.hasLocalNonFastQualifiers()) 45853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return type.getTypePtrUnsafe(); 4586ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 45873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ExtQuals *extQuals = type.getExtQualsUnsafe(); 45883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall addConsistentQualifiers(extQuals->getQualifiers()); 45893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return extQuals->getBaseType(); 45900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 45910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 45920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 45934ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType apply(const ASTContext &Context, QualType QT) const; 45940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 45950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 45964ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType apply(const ASTContext &Context, const Type* T) const; 45970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 45980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 45990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4600611c1fff195d32df97706e0920c92468b2509900Chris Lattner// Inline function definitions. 46015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4602200fa53fd420aa8369586f569dbece04930ad6a3John McCallinline SplitQualType SplitQualType::getSingleStepDesugaredType() const { 4603200fa53fd420aa8369586f569dbece04930ad6a3John McCall SplitQualType desugar = 4604200fa53fd420aa8369586f569dbece04930ad6a3John McCall Ty->getLocallyUnqualifiedSingleStepDesugaredType().split(); 4605200fa53fd420aa8369586f569dbece04930ad6a3John McCall desugar.Quals.addConsistentQualifiers(Quals); 4606200fa53fd420aa8369586f569dbece04930ad6a3John McCall return desugar; 4607200fa53fd420aa8369586f569dbece04930ad6a3John McCall} 4608200fa53fd420aa8369586f569dbece04930ad6a3John McCall 46093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline const Type *QualType::getTypePtr() const { 46103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getCommonPtr()->BaseType; 46113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 46123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 46133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline const Type *QualType::getTypePtrOrNull() const { 46143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return (isNull() ? 0 : getCommonPtr()->BaseType); 46153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 46163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 46173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline SplitQualType QualType::split() const { 46183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!hasLocalNonFastQualifiers()) 46193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return SplitQualType(getTypePtrUnsafe(), 46203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers::fromFastMask(getLocalFastQualifiers())); 46213b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 46223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ExtQuals *eq = getExtQualsUnsafe(); 46233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs = eq->getQualifiers(); 46243b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall qs.addFastQualifiers(getLocalFastQualifiers()); 46253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return SplitQualType(eq->getBaseType(), qs); 46263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 46273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 46283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline Qualifiers QualType::getLocalQualifiers() const { 46293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers Quals; 46303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (hasLocalNonFastQualifiers()) 46313b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals = getExtQualsUnsafe()->getQualifiers(); 46323b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals.addFastQualifiers(getLocalFastQualifiers()); 46333b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return Quals; 46343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 46353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 46363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline Qualifiers QualType::getQualifiers() const { 46373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers quals = getCommonPtr()->CanonicalType.getLocalQualifiers(); 46383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall quals.addFastQualifiers(getLocalFastQualifiers()); 46393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return quals; 46403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 46413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 46423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline unsigned QualType::getCVRQualifiers() const { 46433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned cvr = getCommonPtr()->CanonicalType.getLocalCVRQualifiers(); 46443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall cvr |= getLocalCVRQualifiers(); 46453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return cvr; 46463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 46473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 46483b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline QualType QualType::getCanonicalType() const { 46493b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon = getCommonPtr()->CanonicalType; 46503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return canon.withFastQualifiers(getLocalFastQualifiers()); 46513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 46523b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 4653467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCallinline bool QualType::isCanonical() const { 46543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getTypePtr()->isCanonicalUnqualified(); 4655467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall} 4656467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 465754e14c4db764c0636160d26c5bbf491637c83a76John McCallinline bool QualType::isCanonicalAsParam() const { 46583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!isCanonical()) return false; 4659a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalQualifiers()) return false; 4660ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 466154e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *T = getTypePtr(); 46623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (T->isVariablyModifiedType() && T->hasSizedVLAType()) 46633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return false; 46643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 46653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return !isa<FunctionType>(T) && !isa<ArrayType>(T); 466654e14c4db764c0636160d26c5bbf491637c83a76John McCall} 466754e14c4db764c0636160d26c5bbf491637c83a76John McCall 4668fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isConstQualified() const { 4669ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return isLocalConstQualified() || 46703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.isLocalConstQualified(); 4671fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4672fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4673fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isRestrictQualified() const { 4674ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return isLocalRestrictQualified() || 46753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.isLocalRestrictQualified(); 4676fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4677fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4678fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4679fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isVolatileQualified() const { 4680ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return isLocalVolatileQualified() || 46813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.isLocalVolatileQualified(); 4682fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4683ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 4684fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::hasQualifiers() const { 4685fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return hasLocalQualifiers() || 46863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.hasLocalQualifiers(); 4687fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 468862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 468962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline QualType QualType::getUnqualifiedType() const { 469062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall if (!getTypePtr()->getCanonicalTypeInternal().hasLocalQualifiers()) 469162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(getTypePtr(), 0); 469262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 4693200fa53fd420aa8369586f569dbece04930ad6a3John McCall return QualType(getSplitUnqualifiedTypeImpl(*this).Ty, 0); 469462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall} 469562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 469662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline SplitQualType QualType::getSplitUnqualifiedType() const { 469762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall if (!getTypePtr()->getCanonicalTypeInternal().hasLocalQualifiers()) 469862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return split(); 469962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 470062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getSplitUnqualifiedTypeImpl(*this); 4701fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4702ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 470349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalConst() { 470449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Const); 47050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 47060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 470749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalRestrict() { 470849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Restrict); 47090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 47100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 471149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalVolatile() { 471249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Volatile); 47130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 47140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 471549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalCVRQualifiers(unsigned Mask) { 47166b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall assert(!(Mask & ~Qualifiers::CVRMask) && "mask has non-CVR bits"); 4717c3c0af36bac3d71f61dd758585ab307892545de4Douglas Gregor assert((int)Qualifiers::CVRMask == (int)Qualifiers::FastMask); 47180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 47190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast path: we don't need to touch the slow qualifiers. 472049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Mask); 4721ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 4722ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 4723ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb/// getAddressSpace - Return the address space of this type. 4724ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lambinline unsigned QualType::getAddressSpace() const { 47253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getQualifiers().getAddressSpace(); 4726ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 4727611c1fff195d32df97706e0920c92468b2509900Chris Lattner 4728d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian/// getObjCGCAttr - Return the gc attribute of this type. 47290953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline Qualifiers::GC QualType::getObjCGCAttr() const { 47303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getQualifiers().getObjCGCAttr(); 4731d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 47322455636163fdd18581d7fdae816433f886d88213Mike Stump 4733264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(const Type &t) { 4734264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola if (const PointerType *PT = t.getAs<PointerType>()) { 4735183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const FunctionType *FT = PT->getPointeeType()->getAs<FunctionType>()) 4736264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 4737264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } else if (const FunctionType *FT = t.getAs<FunctionType>()) 4738264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 47392455636163fdd18581d7fdae816433f886d88213Mike Stump 4740264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FunctionType::ExtInfo(); 47412455636163fdd18581d7fdae816433f886d88213Mike Stump} 47421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4743264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(QualType t) { 4744264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getFunctionExtInfo(*t); 4745ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 4746ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 4747e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isMoreQualifiedThan - Determine whether this type is more 4748e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// qualified than the Other type. For example, "const volatile int" 4749e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// is more qualified than "const int", "volatile int", and 4750e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int". However, it is not more qualified than "const volatile 4751e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int". 475262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline bool QualType::isMoreQualifiedThan(QualType other) const { 475362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Qualifiers myQuals = getQualifiers(); 475462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Qualifiers otherQuals = other.getQualifiers(); 475562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return (myQuals != otherQuals && myQuals.compatiblyIncludes(otherQuals)); 4756e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 4757e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 4758e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isAtLeastAsQualifiedAs - Determine whether this type is at last 4759e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// as qualified as the Other type. For example, "const volatile 4760e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int" is at least as qualified as "const int", "volatile int", 4761e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int", and "const volatile int". 476262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline bool QualType::isAtLeastAsQualifiedAs(QualType other) const { 476362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getQualifiers().compatiblyIncludes(other.getQualifiers()); 4764e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 4765e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 4766e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// getNonReferenceType - If Type is a reference type (e.g., const 4767e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int&), returns the type that the reference refers to ("const 4768e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int"). Otherwise, returns the type itself. This routine is used 4769e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// throughout Sema to implement C++ 5p6: 4770e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 4771e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// If an expression initially has the type "reference to T" (8.3.2, 4772e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 8.5.3), the type is adjusted to "T" prior to any further 4773e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// analysis, the expression designates the object or function 4774e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// denoted by the reference, and the expression is an lvalue. 4775e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline QualType QualType::getNonReferenceType() const { 47766217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType *RefType = (*this)->getAs<ReferenceType>()) 4777e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return RefType->getPointeeType(); 4778e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor else 4779e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return *this; 4780e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 4781e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 47822b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregorinline bool QualType::isCForbiddenLValueType() const { 47832b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor return ((getTypePtr()->isVoidType() && !hasQualifiers()) || 47842b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor getTypePtr()->isFunctionType()); 47852b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor} 47862b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor 4787aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// \brief Tests whether the type is categorized as a fundamental type. 4788aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// 4789aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// \returns True for types specified in C++0x [basic.fundamental]. 4790aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruthinline bool Type::isFundamentalType() const { 4791aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth return isVoidType() || 4792aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // FIXME: It's really annoying that we don't have an 4793aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // 'isArithmeticType()' which agrees with the standard definition. 4794aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth (isArithmeticType() && !isEnumeralType()); 4795aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth} 4796aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth 4797aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// \brief Tests whether the type is categorized as a compound type. 4798aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// 4799aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// \returns True for types specified in C++0x [basic.compound]. 4800aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruthinline bool Type::isCompoundType() const { 4801aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // C++0x [basic.compound]p1: 4802aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // Compound types can be constructed in the following ways: 4803aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- arrays of objects of a given type [...]; 4804aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth return isArrayType() || 4805aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- functions, which have parameters of given types [...]; 4806aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isFunctionType() || 4807aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- pointers to void or objects or functions [...]; 4808aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isPointerType() || 4809aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- references to objects or functions of a given type. [...] 4810aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isReferenceType() || 4811aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- classes containing a sequence of objects of various types, [...]; 4812aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isRecordType() || 4813ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie // -- unions, which are classes capable of containing objects of different 4814ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie // types at different times; 4815aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isUnionType() || 4816aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- enumerations, which comprise a set of named constant values. [...]; 4817aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isEnumeralType() || 4818aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- pointers to non-static class members, [...]. 4819aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isMemberPointerType(); 4820aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth} 4821aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth 4822611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isFunctionType() const { 4823a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<FunctionType>(CanonicalType); 4824611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4825611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isPointerType() const { 4826a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<PointerType>(CanonicalType); 4827611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 482858f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroffinline bool Type::isAnyPointerType() const { 482958f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff return isPointerType() || isObjCObjectPointerType(); 483058f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff} 48315618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffinline bool Type::isBlockPointerType() const { 4832a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<BlockPointerType>(CanonicalType); 48335618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 4834bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattnerinline bool Type::isReferenceType() const { 4835a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ReferenceType>(CanonicalType); 4836bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner} 48377c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isLValueReferenceType() const { 4838a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<LValueReferenceType>(CanonicalType); 48397c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 48407c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isRValueReferenceType() const { 4841a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RValueReferenceType>(CanonicalType); 48427c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 4843498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenekinline bool Type::isFunctionPointerType() const { 4844d0370f59e79702ac908c81bf556519f91e9ca297John McCall if (const PointerType *T = getAs<PointerType>()) 4845498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return T->getPointeeType()->isFunctionType(); 4846498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek else 4847498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return false; 4848498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek} 4849f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberPointerType() const { 4850a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<MemberPointerType>(CanonicalType); 4851f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 4852f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberFunctionPointerType() const { 48536217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const MemberPointerType* T = getAs<MemberPointerType>()) 48540bab0cdab751248ca389a5592bcb70eac5d39260John McCall return T->isMemberFunctionPointer(); 4855f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl else 4856f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return false; 4857f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 4858db68e28c05a67735211e688009890cf834c22e75Douglas Gregorinline bool Type::isMemberDataPointerType() const { 4859db68e28c05a67735211e688009890cf834c22e75Douglas Gregor if (const MemberPointerType* T = getAs<MemberPointerType>()) 48600bab0cdab751248ca389a5592bcb70eac5d39260John McCall return T->isMemberDataPointer(); 4861db68e28c05a67735211e688009890cf834c22e75Douglas Gregor else 4862db68e28c05a67735211e688009890cf834c22e75Douglas Gregor return false; 4863db68e28c05a67735211e688009890cf834c22e75Douglas Gregor} 4864611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isArrayType() const { 4865a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ArrayType>(CanonicalType); 4866611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4867c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isConstantArrayType() const { 4868a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ConstantArrayType>(CanonicalType); 4869c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 4870c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isIncompleteArrayType() const { 4871a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<IncompleteArrayType>(CanonicalType); 4872c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 4873c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isVariableArrayType() const { 4874a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VariableArrayType>(CanonicalType); 4875c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 4876898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorinline bool Type::isDependentSizedArrayType() const { 4877a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<DependentSizedArrayType>(CanonicalType); 4878898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 48793ff83dd534ccc828203670ce3f5125a4eb4199f8John McCallinline bool Type::isBuiltinType() const { 48803ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall return isa<BuiltinType>(CanonicalType); 48813ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall} 4882611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isRecordType() const { 4883a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RecordType>(CanonicalType); 4884611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 48853ff83dd534ccc828203670ce3f5125a4eb4199f8John McCallinline bool Type::isEnumeralType() const { 48863ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall return isa<EnumType>(CanonicalType); 48873ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall} 4888f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattnerinline bool Type::isAnyComplexType() const { 4889a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ComplexType>(CanonicalType); 4890f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner} 4891611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isVectorType() const { 4892a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VectorType>(CanonicalType); 4893611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4894213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemaninline bool Type::isExtVectorType() const { 4895a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ExtVectorType>(CanonicalType); 4896611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4897d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroffinline bool Type::isObjCObjectPointerType() const { 4898a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ObjCObjectPointerType>(CanonicalType); 4899d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 4900c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline bool Type::isObjCObjectType() const { 4901c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isa<ObjCObjectType>(CanonicalType); 4902368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner} 4903569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorinline bool Type::isObjCObjectOrInterfaceType() const { 4904ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return isa<ObjCInterfaceType>(CanonicalType) || 4905569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor isa<ObjCObjectType>(CanonicalType); 4906569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 4907b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedmaninline bool Type::isAtomicType() const { 4908b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman return isa<AtomicType>(CanonicalType); 4909b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman} 4910569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 4911a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekinline bool Type::isObjCQualifiedIdType() const { 4912183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 4913d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return OPT->isObjCQualifiedIdType(); 4914d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return false; 4915d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian} 4916470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroffinline bool Type::isObjCQualifiedClassType() const { 4917183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 4918470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return OPT->isObjCQualifiedClassType(); 4919470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return false; 4920470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff} 492114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCIdType() const { 4922183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 492314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCIdType(); 492414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 492514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 492614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCClassType() const { 4927183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 492814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCClassType(); 492914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 493014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 493113dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanianinline bool Type::isObjCSelType() const { 49328d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (const PointerType *OPT = getAs<PointerType>()) 49338d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return OPT->getPointeeType()->isSpecificBuiltinType(BuiltinType::ObjCSel); 493413dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return false; 493513dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian} 4936de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroffinline bool Type::isObjCBuiltinType() const { 493713dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return isObjCIdType() || isObjCClassType() || isObjCSelType(); 4938de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff} 493972c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregorinline bool Type::isTemplateTypeParmType() const { 4940a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<TemplateTypeParmType>(CanonicalType); 494172c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor} 494272c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 4943e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbarinline bool Type::isSpecificBuiltinType(unsigned K) const { 4944183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = getAs<BuiltinType>()) 4945e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar if (BT->getKind() == (BuiltinType::Kind) K) 4946e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return true; 4947e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return false; 4948e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar} 4949e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 49502a984cad5ac3fdceeff2bd99daa7b90979313475John McCallinline bool Type::isPlaceholderType() const { 4951a180f04c091bf3ede4fe292ba6a29d61da09e936John McCall if (const BuiltinType *BT = dyn_cast<BuiltinType>(this)) 49522a984cad5ac3fdceeff2bd99daa7b90979313475John McCall return BT->isPlaceholderType(); 49532a984cad5ac3fdceeff2bd99daa7b90979313475John McCall return false; 49542a984cad5ac3fdceeff2bd99daa7b90979313475John McCall} 49552a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 4956a180f04c091bf3ede4fe292ba6a29d61da09e936John McCallinline const BuiltinType *Type::getAsPlaceholderType() const { 4957a180f04c091bf3ede4fe292ba6a29d61da09e936John McCall if (const BuiltinType *BT = dyn_cast<BuiltinType>(this)) 4958a180f04c091bf3ede4fe292ba6a29d61da09e936John McCall if (BT->isPlaceholderType()) 4959a180f04c091bf3ede4fe292ba6a29d61da09e936John McCall return BT; 4960a180f04c091bf3ede4fe292ba6a29d61da09e936John McCall return 0; 4961a180f04c091bf3ede4fe292ba6a29d61da09e936John McCall} 4962a180f04c091bf3ede4fe292ba6a29d61da09e936John McCall 4963864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCallinline bool Type::isSpecificPlaceholderType(unsigned K) const { 496485def357129b6cdfd69a66ad0e6994506418a2a9John McCall assert(BuiltinType::isPlaceholderTypeKind((BuiltinType::Kind) K)); 4965864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall if (const BuiltinType *BT = dyn_cast<BuiltinType>(this)) 4966864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall return (BT->getKind() == (BuiltinType::Kind) K); 4967864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall return false; 4968864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall} 4969864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 497032509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCallinline bool Type::isNonOverloadPlaceholderType() const { 497132509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall if (const BuiltinType *BT = dyn_cast<BuiltinType>(this)) 497232509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall return BT->isNonOverloadPlaceholderType(); 497332509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall return false; 497432509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall} 497532509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall 4976cd485926f1ffda2eaa9adeea34e1e15c35ab5fbaDaniel Dunbarinline bool Type::isVoidType() const { 4977cd485926f1ffda2eaa9adeea34e1e15c35ab5fbaDaniel Dunbar if (const BuiltinType *BT = dyn_cast<BuiltinType>(CanonicalType)) 4978cd485926f1ffda2eaa9adeea34e1e15c35ab5fbaDaniel Dunbar return BT->getKind() == BuiltinType::Void; 4979cd485926f1ffda2eaa9adeea34e1e15c35ab5fbaDaniel Dunbar return false; 4980cd485926f1ffda2eaa9adeea34e1e15c35ab5fbaDaniel Dunbar} 4981cd485926f1ffda2eaa9adeea34e1e15c35ab5fbaDaniel Dunbar 4982f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbarinline bool Type::isHalfType() const { 4983f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar if (const BuiltinType *BT = dyn_cast<BuiltinType>(CanonicalType)) 4984f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar return BT->getKind() == BuiltinType::Half; 4985f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar // FIXME: Should we allow complex __fp16? Probably not. 4986f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar return false; 4987f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar} 4988f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar 4989f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbarinline bool Type::isNullPtrType() const { 4990f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar if (const BuiltinType *BT = getAs<BuiltinType>()) 4991f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar return BT->getKind() == BuiltinType::NullPtr; 4992f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar return false; 4993f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar} 4994f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar 4995f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbarextern bool IsEnumDeclComplete(EnumDecl *); 499676e035a529775dc8fd31124f819745a33a085796Daniel Dunbarextern bool IsEnumDeclScoped(EnumDecl *); 499776e035a529775dc8fd31124f819745a33a085796Daniel Dunbar 499876e035a529775dc8fd31124f819745a33a085796Daniel Dunbarinline bool Type::isIntegerType() const { 499976e035a529775dc8fd31124f819745a33a085796Daniel Dunbar if (const BuiltinType *BT = dyn_cast<BuiltinType>(CanonicalType)) 500076e035a529775dc8fd31124f819745a33a085796Daniel Dunbar return BT->getKind() >= BuiltinType::Bool && 500176e035a529775dc8fd31124f819745a33a085796Daniel Dunbar BT->getKind() <= BuiltinType::Int128; 500276e035a529775dc8fd31124f819745a33a085796Daniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(CanonicalType)) { 500376e035a529775dc8fd31124f819745a33a085796Daniel Dunbar // Incomplete enum types are not treated as integer types. 500476e035a529775dc8fd31124f819745a33a085796Daniel Dunbar // FIXME: In C++, enum types are never integer types. 500576e035a529775dc8fd31124f819745a33a085796Daniel Dunbar return IsEnumDeclComplete(ET->getDecl()) && 500676e035a529775dc8fd31124f819745a33a085796Daniel Dunbar !IsEnumDeclScoped(ET->getDecl()); 500776e035a529775dc8fd31124f819745a33a085796Daniel Dunbar } 500876e035a529775dc8fd31124f819745a33a085796Daniel Dunbar return false; 500976e035a529775dc8fd31124f819745a33a085796Daniel Dunbar} 5010f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar 5011f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbarinline bool Type::isScalarType() const { 5012f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar if (const BuiltinType *BT = dyn_cast<BuiltinType>(CanonicalType)) 5013f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar return BT->getKind() > BuiltinType::Void && 5014f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar BT->getKind() <= BuiltinType::NullPtr; 5015f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(CanonicalType)) 5016f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar // Enums are scalar types, but only if they are defined. Incomplete enums 5017f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar // are not treated as scalar types. 5018f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar return IsEnumDeclComplete(ET->getDecl()); 5019f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar return isa<PointerType>(CanonicalType) || 5020f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar isa<BlockPointerType>(CanonicalType) || 5021f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar isa<MemberPointerType>(CanonicalType) || 5022f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar isa<ComplexType>(CanonicalType) || 5023f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar isa<ObjCObjectPointerType>(CanonicalType); 5024f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar} 5025f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar 5026f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbarinline bool Type::isIntegralOrEnumerationType() const { 5027f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar if (const BuiltinType *BT = dyn_cast<BuiltinType>(CanonicalType)) 5028f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar return BT->getKind() >= BuiltinType::Bool && 5029f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar BT->getKind() <= BuiltinType::Int128; 5030f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar 5031f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar // Check for a complete enum type; incomplete enum types are not properly an 5032f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar // enumeration type in the sense required here. 5033f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(CanonicalType)) 5034f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar return IsEnumDeclComplete(ET->getDecl()); 5035f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar 5036f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar return false; 5037f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar} 5038f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar 5039f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbarinline bool Type::isBooleanType() const { 5040f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar if (const BuiltinType *BT = dyn_cast<BuiltinType>(CanonicalType)) 5041f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar return BT->getKind() == BuiltinType::Bool; 5042f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar return false; 5043f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar} 5044f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar 5045063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// \brief Determines whether this is a type for which one can define 5046063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// an overloaded operator. 5047063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregorinline bool Type::isOverloadableType() const { 5048063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor return isDependentType() || isRecordType() || isEnumeralType(); 5049904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor} 5050904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor 5051bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth/// \brief Determines whether this type can decay to a pointer type. 5052bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruthinline bool Type::canDecayToPointerType() const { 5053bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth return isFunctionType() || isArrayType(); 5054bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth} 5055bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth 50568958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbarinline bool Type::hasPointerRepresentation() const { 50578958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar return (isPointerType() || isReferenceType() || isBlockPointerType() || 5058c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall isObjCObjectPointerType() || isNullPtrType()); 50598958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar} 50608958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 5061820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanianinline bool Type::hasObjCPointerRepresentation() const { 5062c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isObjCObjectPointerType(); 5063820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian} 5064820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 5065d0370f59e79702ac908c81bf556519f91e9ca297John McCallinline const Type *Type::getBaseElementTypeUnsafe() const { 5066d0370f59e79702ac908c81bf556519f91e9ca297John McCall const Type *type = this; 5067d0370f59e79702ac908c81bf556519f91e9ca297John McCall while (const ArrayType *arrayType = type->getAsArrayTypeUnsafe()) 5068d0370f59e79702ac908c81bf556519f91e9ca297John McCall type = arrayType->getElementType().getTypePtr(); 5069d0370f59e79702ac908c81bf556519f91e9ca297John McCall return type; 5070d0370f59e79702ac908c81bf556519f91e9ca297John McCall} 5071d0370f59e79702ac908c81bf556519f91e9ca297John McCall 507222caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// Insertion operator for diagnostics. This allows sending QualType's into a 507322caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// diagnostic with <<. 5074d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 5075d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer QualType T) { 5076d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer DB.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 5077d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer DiagnosticsEngine::ak_qualtype); 5078d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer return DB; 5079d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer} 50801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 508147c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// Insertion operator for partial diagnostics. This allows sending QualType's 508247c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// into a diagnostic with <<. 5083d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramerinline const PartialDiagnostic &operator<<(const PartialDiagnostic &PD, 5084d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer QualType T) { 5085d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer PD.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 5086d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer DiagnosticsEngine::ak_qualtype); 5087d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer return PD; 5088d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer} 508947c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth 509089c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// Helper class template that is used by Type::getAs to ensure that one does 509189c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// not try to look through a qualified type to get to an array type. 509289c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T, 509389c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor bool isArrayType = (llvm::is_same<T, ArrayType>::value || 509489c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor llvm::is_base_of<ArrayType, T>::value)> 509589c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs { }; 5096ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 509789c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T> 509889c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs<T, true>; 5099ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 5100222bc3c25b12fc0cf55175975dc4c25d7e1fac78James Dennett// Member-template getAs<specific type>'. 51011a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenektemplate <typename T> const T *Type::getAs() const { 510289c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor ArrayType_cannot_be_used_with_getAs<T> at; 510389c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor (void)at; 5104ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 51051a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If this is directly a T type, return it. 51061a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek if (const T *Ty = dyn_cast<T>(this)) 51071a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return Ty; 51081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 51091a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If the canonical form of this type isn't the right kind, reject it. 51100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<T>(CanonicalType)) 51111a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return 0; 51121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 51130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this is a typedef for the type, strip the typedef off without 51141a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // losing all typedef information. 5115bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return cast<T>(getUnqualifiedDesugaredType()); 51161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump} 511722caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner 51183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline const ArrayType *Type::getAsArrayTypeUnsafe() const { 51193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If this is directly an array type, return it. 51203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (const ArrayType *arr = dyn_cast<ArrayType>(this)) 51213b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return arr; 51223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 51233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the canonical form of this type isn't the right kind, reject it. 51243b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!isa<ArrayType>(CanonicalType)) 51253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return 0; 51263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 51273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If this is a typedef for the type, strip the typedef off without 51283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // losing all typedef information. 51293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return cast<ArrayType>(getUnqualifiedDesugaredType()); 51303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 51313b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 5132d0370f59e79702ac908c81bf556519f91e9ca297John McCalltemplate <typename T> const T *Type::castAs() const { 5133d0370f59e79702ac908c81bf556519f91e9ca297John McCall ArrayType_cannot_be_used_with_getAs<T> at; 5134d0370f59e79702ac908c81bf556519f91e9ca297John McCall (void) at; 5135d0370f59e79702ac908c81bf556519f91e9ca297John McCall 5136d0370f59e79702ac908c81bf556519f91e9ca297John McCall assert(isa<T>(CanonicalType)); 5137d0370f59e79702ac908c81bf556519f91e9ca297John McCall if (const T *ty = dyn_cast<T>(this)) return ty; 5138d0370f59e79702ac908c81bf556519f91e9ca297John McCall return cast<T>(getUnqualifiedDesugaredType()); 5139d0370f59e79702ac908c81bf556519f91e9ca297John McCall} 5140d0370f59e79702ac908c81bf556519f91e9ca297John McCall 5141d0370f59e79702ac908c81bf556519f91e9ca297John McCallinline const ArrayType *Type::castAsArrayTypeUnsafe() const { 5142d0370f59e79702ac908c81bf556519f91e9ca297John McCall assert(isa<ArrayType>(CanonicalType)); 5143d0370f59e79702ac908c81bf556519f91e9ca297John McCall if (const ArrayType *arr = dyn_cast<ArrayType>(this)) return arr; 5144d0370f59e79702ac908c81bf556519f91e9ca297John McCall return cast<ArrayType>(getUnqualifiedDesugaredType()); 5145d0370f59e79702ac908c81bf556519f91e9ca297John McCall} 5146d0370f59e79702ac908c81bf556519f91e9ca297John McCall 51475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 51485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 51495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 5150