Type.h revision 7ad5c996e9519ed4e9afd1f0166be1cd2be8415a
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 1630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromFastMask(unsigned Mask) { 1640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.addFastQualifiers(Mask); 1660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromCVRMask(unsigned CVR) { 1700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.addCVRQualifiers(CVR); 1720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Deserialize qualifiers from an opaque representation. 1760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromOpaqueValue(unsigned opaque) { 1770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.Mask = opaque; 1790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Serialize these qualifiers into an opaque representation. 1830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAsOpaqueValue() const { 1840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Mask; 1850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasConst() const { return Mask & Const; } 1880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setConst(bool flag) { 1890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Const) | (flag ? Const : 0); 1900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeConst() { Mask &= ~Const; } 1920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { Mask |= Const; } 1930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasVolatile() const { return Mask & Volatile; } 1950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setVolatile(bool flag) { 1960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Volatile) | (flag ? Volatile : 0); 1970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeVolatile() { Mask &= ~Volatile; } 1990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addVolatile() { Mask |= Volatile; } 2000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasRestrict() const { return Mask & Restrict; } 2020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setRestrict(bool flag) { 2030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Restrict) | (flag ? Restrict : 0); 2040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeRestrict() { Mask &= ~Restrict; } 2060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addRestrict() { Mask |= Restrict; } 2070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasCVRQualifiers() const { return getCVRQualifiers(); } 2090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getCVRQualifiers() const { return Mask & CVRMask; } 2100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setCVRQualifiers(unsigned mask) { 2110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 2120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~CVRMask) | mask; 2130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers(unsigned mask) { 2150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 2160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask &= ~mask; 2170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers() { 2190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeCVRQualifiers(CVRMask); 2200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addCVRQualifiers(unsigned mask) { 2220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 2230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= mask; 2240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasObjCGCAttr() const { return Mask & GCAttrMask; } 2270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GC getObjCGCAttr() const { return GC((Mask & GCAttrMask) >> GCAttrShift); } 2280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setObjCGCAttr(GC type) { 2290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~GCAttrMask) | (type << GCAttrShift); 2300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeObjCGCAttr() { setObjCGCAttr(GCNone); } 2320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addObjCGCAttr(GC type) { 2330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(type); 2340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall setObjCGCAttr(type); 2350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2362234873111009eb8655d63362cedc422eb9fc517John McCall Qualifiers withoutObjCGCAttr() const { 2372234873111009eb8655d63362cedc422eb9fc517John McCall Qualifiers qs = *this; 2382234873111009eb8655d63362cedc422eb9fc517John McCall qs.removeObjCGCAttr(); 2392234873111009eb8655d63362cedc422eb9fc517John McCall return qs; 2402234873111009eb8655d63362cedc422eb9fc517John McCall } 241200fa53fd420aa8369586f569dbece04930ad6a3John McCall Qualifiers withoutObjCLifetime() const { 242f85e193739c953358c865005855253af4f68a497John McCall Qualifiers qs = *this; 243f85e193739c953358c865005855253af4f68a497John McCall qs.removeObjCLifetime(); 244f85e193739c953358c865005855253af4f68a497John McCall return qs; 245f85e193739c953358c865005855253af4f68a497John McCall } 2460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 247f85e193739c953358c865005855253af4f68a497John McCall bool hasObjCLifetime() const { return Mask & LifetimeMask; } 248f85e193739c953358c865005855253af4f68a497John McCall ObjCLifetime getObjCLifetime() const { 249f85e193739c953358c865005855253af4f68a497John McCall return ObjCLifetime((Mask & LifetimeMask) >> LifetimeShift); 250f85e193739c953358c865005855253af4f68a497John McCall } 251f85e193739c953358c865005855253af4f68a497John McCall void setObjCLifetime(ObjCLifetime type) { 252f85e193739c953358c865005855253af4f68a497John McCall Mask = (Mask & ~LifetimeMask) | (type << LifetimeShift); 253f85e193739c953358c865005855253af4f68a497John McCall } 254f85e193739c953358c865005855253af4f68a497John McCall void removeObjCLifetime() { setObjCLifetime(OCL_None); } 255f85e193739c953358c865005855253af4f68a497John McCall void addObjCLifetime(ObjCLifetime type) { 256f85e193739c953358c865005855253af4f68a497John McCall assert(type); 257200fa53fd420aa8369586f569dbece04930ad6a3John McCall assert(!hasObjCLifetime()); 258200fa53fd420aa8369586f569dbece04930ad6a3John McCall Mask |= (type << LifetimeShift); 259f85e193739c953358c865005855253af4f68a497John McCall } 260f85e193739c953358c865005855253af4f68a497John McCall 261f85e193739c953358c865005855253af4f68a497John McCall /// True if the lifetime is neither None or ExplicitNone. 262f85e193739c953358c865005855253af4f68a497John McCall bool hasNonTrivialObjCLifetime() const { 263f85e193739c953358c865005855253af4f68a497John McCall ObjCLifetime lifetime = getObjCLifetime(); 264f85e193739c953358c865005855253af4f68a497John McCall return (lifetime > OCL_ExplicitNone); 265f85e193739c953358c865005855253af4f68a497John McCall } 266f85e193739c953358c865005855253af4f68a497John McCall 267f85e193739c953358c865005855253af4f68a497John McCall /// True if the lifetime is either strong or weak. 268f85e193739c953358c865005855253af4f68a497John McCall bool hasStrongOrWeakObjCLifetime() const { 269f85e193739c953358c865005855253af4f68a497John McCall ObjCLifetime lifetime = getObjCLifetime(); 270f85e193739c953358c865005855253af4f68a497John McCall return (lifetime == OCL_Strong || lifetime == OCL_Weak); 271f85e193739c953358c865005855253af4f68a497John McCall } 272ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasAddressSpace() const { return Mask & AddressSpaceMask; } 2740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAddressSpace() const { return Mask >> AddressSpaceShift; } 2750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setAddressSpace(unsigned space) { 2760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(space <= MaxAddressSpace); 2770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~AddressSpaceMask) 2780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall | (((uint32_t) space) << AddressSpaceShift); 2790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeAddressSpace() { setAddressSpace(0); } 2810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addAddressSpace(unsigned space) { 2820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(space); 2830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall setAddressSpace(space); 2840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast qualifiers are those that can be allocated directly 2870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // on a QualType object. 2880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasFastQualifiers() const { return getFastQualifiers(); } 2890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getFastQualifiers() const { return Mask & FastMask; } 2900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setFastQualifiers(unsigned mask) { 2910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~FastMask) | mask; 2930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers(unsigned mask) { 2950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask &= ~mask; 2970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers() { 2990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(FastMask); 3000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned mask) { 3020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 3030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= mask; 3040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// hasNonFastQualifiers - Return true if the set contains any 3070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers which require an ExtQuals node to be allocated. 3080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasNonFastQualifiers() const { return Mask & ~FastMask; } 3090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getNonFastQualifiers() const { 3100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals = *this; 3110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.setFastQualifiers(0); 3120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Quals; 3130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// hasQualifiers - Return true if the set contains any qualifiers. 3160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasQualifiers() const { return Mask; } 3170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool empty() const { return !Mask; } 3180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// \brief Add the qualifiers from the given set to this set. 3200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addQualifiers(Qualifiers Q) { 3210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the other set doesn't have any non-boolean qualifiers, just 3220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // bit-or it in. 3230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!(Q.Mask & ~CVRMask)) 3240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= Q.Mask; 3250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall else { 3260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= (Q.Mask & CVRMask); 3270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Q.hasAddressSpace()) 3280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addAddressSpace(Q.getAddressSpace()); 3290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Q.hasObjCGCAttr()) 3300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addObjCGCAttr(Q.getObjCGCAttr()); 331f85e193739c953358c865005855253af4f68a497John McCall if (Q.hasObjCLifetime()) 332f85e193739c953358c865005855253af4f68a497John McCall addObjCLifetime(Q.getObjCLifetime()); 3330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \brief Add the qualifiers from the given set to this set, given that 33762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// they don't conflict. 33862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall void addConsistentQualifiers(Qualifiers qs) { 33962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall assert(getAddressSpace() == qs.getAddressSpace() || 34062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall !hasAddressSpace() || !qs.hasAddressSpace()); 34162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall assert(getObjCGCAttr() == qs.getObjCGCAttr() || 34262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall !hasObjCGCAttr() || !qs.hasObjCGCAttr()); 343f85e193739c953358c865005855253af4f68a497John McCall assert(getObjCLifetime() == qs.getObjCLifetime() || 344f85e193739c953358c865005855253af4f68a497John McCall !hasObjCLifetime() || !qs.hasObjCLifetime()); 34562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Mask |= qs.Mask; 34662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall } 34762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 34862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \brief Determines if these qualifiers compatibly include another set. 34962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// Generally this answers the question of whether an object with the other 35062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// qualifiers can be safely used as an object with these qualifiers. 35162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall bool compatiblyIncludes(Qualifiers other) const { 352ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return 353377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor // Address spaces must match exactly. 354377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor getAddressSpace() == other.getAddressSpace() && 355377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor // ObjC GC qualifiers can match, be added, or be removed, but can't be 356377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor // changed. 357377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor (getObjCGCAttr() == other.getObjCGCAttr() || 358377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor !hasObjCGCAttr() || !other.hasObjCGCAttr()) && 359f85e193739c953358c865005855253af4f68a497John McCall // ObjC lifetime qualifiers must match exactly. 360f85e193739c953358c865005855253af4f68a497John McCall getObjCLifetime() == other.getObjCLifetime() && 361377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor // CVR qualifiers may subset. 362377e1bd6853118c5b1718503569e5179c40f09b7Douglas Gregor (((Mask & CVRMask) | (other.Mask & CVRMask)) == (Mask & CVRMask)); 36362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall } 36462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 365f85e193739c953358c865005855253af4f68a497John McCall /// \brief Determines if these qualifiers compatibly include another set of 366f85e193739c953358c865005855253af4f68a497John McCall /// qualifiers from the narrow perspective of Objective-C ARC lifetime. 367f85e193739c953358c865005855253af4f68a497John McCall /// 368f85e193739c953358c865005855253af4f68a497John McCall /// One set of Objective-C lifetime qualifiers compatibly includes the other 369ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// if the lifetime qualifiers match, or if both are non-__weak and the 370f85e193739c953358c865005855253af4f68a497John McCall /// including set also contains the 'const' qualifier. 371f85e193739c953358c865005855253af4f68a497John McCall bool compatiblyIncludesObjCLifetime(Qualifiers other) const { 372f85e193739c953358c865005855253af4f68a497John McCall if (getObjCLifetime() == other.getObjCLifetime()) 373f85e193739c953358c865005855253af4f68a497John McCall return true; 374ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 375f85e193739c953358c865005855253af4f68a497John McCall if (getObjCLifetime() == OCL_Weak || other.getObjCLifetime() == OCL_Weak) 376f85e193739c953358c865005855253af4f68a497John McCall return false; 377ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 378f85e193739c953358c865005855253af4f68a497John McCall return hasConst(); 379f85e193739c953358c865005855253af4f68a497John McCall } 380ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 381f85e193739c953358c865005855253af4f68a497John McCall bool isSupersetOf(Qualifiers Other) const; 382f85e193739c953358c865005855253af4f68a497John McCall 383769d0cc72b1831785596d0e76f327bdb887823beDouglas Gregor /// \brief Determine whether this set of qualifiers is a strict superset of 384769d0cc72b1831785596d0e76f327bdb887823beDouglas Gregor /// another set of qualifiers, not considering qualifier compatibility. 385769d0cc72b1831785596d0e76f327bdb887823beDouglas Gregor bool isStrictSupersetOf(Qualifiers Other) const; 386ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator==(Qualifiers Other) const { return Mask == Other.Mask; } 3880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator!=(Qualifiers Other) const { return Mask != Other.Mask; } 3890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall operator bool() const { return hasQualifiers(); } 3910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers &operator+=(Qualifiers R) { 3930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addQualifiers(R); 3940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return *this; 3950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Union two qualifier sets. If an enumerated qualifier appears 3980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // in both sets, use the one from the right. 3990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend Qualifiers operator+(Qualifiers L, Qualifiers R) { 4000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall L += R; 4010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return L; 4020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 403ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 4043cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor Qualifiers &operator-=(Qualifiers R) { 4053cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor Mask = Mask & ~(R.Mask); 4063cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor return *this; 4073cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor } 4080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4093cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor /// \brief Compute the difference between two qualifier sets. 4103cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor friend Qualifiers operator-(Qualifiers L, Qualifiers R) { 4113cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor L -= R; 4123cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor return L; 4133cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor } 414ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 4150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string getAsString() const; 4167ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis std::string getAsString(const PrintingPolicy &Policy) const; 4177ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis 4187ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis bool isEmptyWhenPrinted(const PrintingPolicy &Policy) const; 4197ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis void print(raw_ostream &OS, const PrintingPolicy &Policy, 4207ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis bool appendSpaceIfNonEmpty = false) const; 4210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) const { 4230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ID.AddInteger(Mask); 4240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4260953e767ff7817f97b3ab20896b229891eeff45bJohn McCallprivate: 4270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 428f85e193739c953358c865005855253af4f68a497John McCall // bits: |0 1 2|3 .. 4|5 .. 7|8 ... 31| 429f85e193739c953358c865005855253af4f68a497John McCall // |C R V|GCAttr|Lifetime|AddressSpace| 4300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall uint32_t Mask; 4310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrMask = 0x18; 4330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrShift = 3; 434f85e193739c953358c865005855253af4f68a497John McCall static const uint32_t LifetimeMask = 0xE0; 435f85e193739c953358c865005855253af4f68a497John McCall static const uint32_t LifetimeShift = 5; 436f85e193739c953358c865005855253af4f68a497John McCall static const uint32_t AddressSpaceMask = ~(CVRMask|GCAttrMask|LifetimeMask); 437f85e193739c953358c865005855253af4f68a497John McCall static const uint32_t AddressSpaceShift = 8; 4380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 4390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 440ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor/// CallingConv - Specifies the calling convention that a function uses. 441ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregorenum CallingConv { 442ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_Default, 443ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_C, // __attribute__((cdecl)) 444ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_X86StdCall, // __attribute__((stdcall)) 445f813a2c03fcb05381b3252010435f557eb6b3cdeDouglas Gregor CC_X86FastCall, // __attribute__((fastcall)) 44652fc314e1b5e1baee6305067cf831763d02bd243Dawn Perchik CC_X86ThisCall, // __attribute__((thiscall)) 447414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov CC_X86Pascal, // __attribute__((pascal)) 448414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov CC_AAPCS, // __attribute__((pcs("aapcs"))) 449414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov CC_AAPCS_VFP // __attribute__((pcs("aapcs-vfp"))) 450ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor}; 451ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 452200fa53fd420aa8369586f569dbece04930ad6a3John McCall/// A std::pair-like structure for storing a qualified type split 453200fa53fd420aa8369586f569dbece04930ad6a3John McCall/// into its local qualifiers and its locally-unqualified type. 454200fa53fd420aa8369586f569dbece04930ad6a3John McCallstruct SplitQualType { 455200fa53fd420aa8369586f569dbece04930ad6a3John McCall /// The locally-unqualified type. 456200fa53fd420aa8369586f569dbece04930ad6a3John McCall const Type *Ty; 457200fa53fd420aa8369586f569dbece04930ad6a3John McCall 458200fa53fd420aa8369586f569dbece04930ad6a3John McCall /// The local qualifiers. 459200fa53fd420aa8369586f569dbece04930ad6a3John McCall Qualifiers Quals; 460200fa53fd420aa8369586f569dbece04930ad6a3John McCall 461200fa53fd420aa8369586f569dbece04930ad6a3John McCall SplitQualType() : Ty(0), Quals() {} 462200fa53fd420aa8369586f569dbece04930ad6a3John McCall SplitQualType(const Type *ty, Qualifiers qs) : Ty(ty), Quals(qs) {} 463200fa53fd420aa8369586f569dbece04930ad6a3John McCall 464200fa53fd420aa8369586f569dbece04930ad6a3John McCall SplitQualType getSingleStepDesugaredType() const; // end of this file 465200fa53fd420aa8369586f569dbece04930ad6a3John McCall 466200fa53fd420aa8369586f569dbece04930ad6a3John McCall // Make llvm::tie work. 467200fa53fd420aa8369586f569dbece04930ad6a3John McCall operator std::pair<const Type *,Qualifiers>() const { 468200fa53fd420aa8369586f569dbece04930ad6a3John McCall return std::pair<const Type *,Qualifiers>(Ty, Quals); 469200fa53fd420aa8369586f569dbece04930ad6a3John McCall } 470200fa53fd420aa8369586f569dbece04930ad6a3John McCall 471200fa53fd420aa8369586f569dbece04930ad6a3John McCall friend bool operator==(SplitQualType a, SplitQualType b) { 472200fa53fd420aa8369586f569dbece04930ad6a3John McCall return a.Ty == b.Ty && a.Quals == b.Quals; 473200fa53fd420aa8369586f569dbece04930ad6a3John McCall } 474200fa53fd420aa8369586f569dbece04930ad6a3John McCall friend bool operator!=(SplitQualType a, SplitQualType b) { 475200fa53fd420aa8369586f569dbece04930ad6a3John McCall return a.Ty != b.Ty || a.Quals != b.Quals; 476200fa53fd420aa8369586f569dbece04930ad6a3John McCall } 477200fa53fd420aa8369586f569dbece04930ad6a3John McCall}; 4780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// QualType - For efficiency, we don't store CV-qualified types as nodes on 4800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// their own: instead each reference to a type stores the qualifiers. This 4810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// greatly reduces the number of nodes we need to allocate for types (for 4820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// example we only need one for 'int', 'const int', 'volatile int', 4830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 'const volatile int', etc). 4840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 4850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// As an added efficiency bonus, instead of making this a pair, we 4860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// just store the two bits we care about in the low bits of the 4870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// pointer. To handle the packing/unpacking, we make QualType be a 4880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// simple wrapper class that acts like a smart pointer. A third bit 4890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// indicates whether there are extended qualifiers present, in which 4900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// case the pointer points to a special structure. 4910953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualType { 4920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Thankfully, these are efficiently composable. 4930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::PointerIntPair<llvm::PointerUnion<const Type*,const ExtQuals*>, 4940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::FastWidth> Value; 4950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *getExtQualsUnsafe() const { 4970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const ExtQuals*>(); 4980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *getTypePtrUnsafe() const { 5010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const Type*>(); 5020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ExtQualsTypeCommonBase *getCommonPtr() const { 5053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!isNull() && "Cannot retrieve a NULL type pointer"); 5063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall uintptr_t CommonPtrVal 5073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = reinterpret_cast<uintptr_t>(Value.getOpaqueValue()); 5083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall CommonPtrVal &= ~(uintptr_t)((1 << TypeAlignmentInBits) - 1); 5093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return reinterpret_cast<ExtQualsTypeCommonBase*>(CommonPtrVal); 5103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 5113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 5120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend class QualifierCollector; 5130953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 5145cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType() {} 5151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5165cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType(const Type *Ptr, unsigned Quals) 5170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 5180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType(const ExtQuals *Ptr, unsigned Quals) 5190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 5200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 521a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalFastQualifiers() const { return Value.getInt(); } 522a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor void setLocalFastQualifiers(unsigned Quals) { Value.setInt(Quals); } 5235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Retrieves a pointer to the underlying (unqualified) type. 5250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// This should really return a const Type, but it's not worth 5260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// changing all the users right now. 5271ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// 5281ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// This function requires that the type not be NULL. If the type might be 5291ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// NULL, use the (slightly less efficient) \c getTypePtrOrNull(). 5303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *getTypePtr() const; 531ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 5323b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *getTypePtrOrNull() const; 5331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5344d9d157afb35742bc6348defbe45bc6de780ec77Kaelyn Uhrain /// Retrieves a pointer to the name of the base type. 5354d9d157afb35742bc6348defbe45bc6de780ec77Kaelyn Uhrain const IdentifierInfo *getBaseTypeIdentifier() const; 5364d9d157afb35742bc6348defbe45bc6de780ec77Kaelyn Uhrain 53749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall /// Divides a QualType into its unqualified type and a set of local 53849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall /// qualifiers. 5393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split() const; 54049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall 5415cf243a883872441d73ca49cea7e20de5802629bChris Lattner void *getAsOpaquePtr() const { return Value.getOpaqueValue(); } 542f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall static QualType getFromOpaquePtr(const void *Ptr) { 5435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType T; 544f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall T.Value.setFromOpaqueValue(const_cast<void*>(Ptr)); 5455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T; 5465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 548f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type &operator*() const { 5495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return *getTypePtr(); 5505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 552f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *operator->() const { 5535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getTypePtr(); 5545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 556467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonical() const; 55754e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isCanonicalAsParam() const; 558467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 5595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isNull - Return true if this QualType doesn't point to a type yet. 5605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isNull() const { 5610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().isNull(); 5625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 564ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Determine whether this particular QualType instance has the 565a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "const" qualifier set, without looking through typedefs that may have 566a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "const" at a different level. 567a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalConstQualified() const { 568a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Const); 5690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 570ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 571a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is const-qualified. 572fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isConstQualified() const; 573ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 574ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Determine whether this particular QualType instance has the 575a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "restrict" qualifier set, without looking through typedefs that may have 576a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "restrict" at a different level. 577a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalRestrictQualified() const { 578a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Restrict); 579a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor } 580ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 581a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is restrict-qualified. 582fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isRestrictQualified() const; 583ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 584ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Determine whether this particular QualType instance has the 585a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "volatile" qualifier set, without looking through typedefs that may have 586a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "volatile" at a different level. 587a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalVolatileQualified() const { 588f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor return (getLocalFastQualifiers() & Qualifiers::Volatile); 5895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 591a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is volatile-qualified. 592fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isVolatileQualified() const; 593ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 594a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 595ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// qualifiers, without looking through any typedefs that might add 596a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers at a different level. 597a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalQualifiers() const { 598a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return getLocalFastQualifiers() || hasLocalNonFastQualifiers(); 5990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 601a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type has any qualifiers. 602fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool hasQualifiers() const; 603ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 604a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 605a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "non-fast" qualifiers, e.g., those that are stored in an ExtQualType 606a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance. 607a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalNonFastQualifiers() const { 608a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return Value.getPointer().is<const ExtQuals*>(); 6090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 611a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers local to this particular QualType 612a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance, not including any qualifiers acquired through typedefs or 613a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// other sugar. 6143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers getLocalQualifiers() const; 6150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 616a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers applied to this type. 617fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Qualifiers getQualifiers() const; 618ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 619ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 620a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// local to this particular QualType instance, not including any qualifiers 621a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// acquired through typedefs or other sugar. 622a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalCVRQualifiers() const { 623f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor return getLocalFastQualifiers(); 6245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 625b381aac9bae6d608c72267dd0ed08ec6369e94e4Nuno Lopes 626ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 627a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// applied to this type. 628fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor unsigned getCVRQualifiers() const; 629e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 630bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isConstant(ASTContext& Ctx) const { 631bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return QualType::isConstant(*this, Ctx); 632bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 6331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 634f85e193739c953358c865005855253af4f68a497John McCall /// \brief Determine whether this is a Plain Old Data (POD) type (C++ 3.9p10). 635f85e193739c953358c865005855253af4f68a497John McCall bool isPODType(ASTContext &Context) const; 636f85e193739c953358c865005855253af4f68a497John McCall 637152f6b7be508fbc61543f3736ebd390d7ac84bd1Benjamin Kramer /// isCXX98PODType() - Return true if this is a POD type according to the 638152f6b7be508fbc61543f3736ebd390d7ac84bd1Benjamin Kramer /// rules of the C++98 standard, regardless of the current compilation's 639152f6b7be508fbc61543f3736ebd390d7ac84bd1Benjamin Kramer /// language. 640152f6b7be508fbc61543f3736ebd390d7ac84bd1Benjamin Kramer bool isCXX98PODType(ASTContext &Context) const; 641152f6b7be508fbc61543f3736ebd390d7ac84bd1Benjamin Kramer 642f85e193739c953358c865005855253af4f68a497John McCall /// isCXX11PODType() - Return true if this is a POD type according to the 643f85e193739c953358c865005855253af4f68a497John McCall /// more relaxed rules of the C++11 standard, regardless of the current 644f85e193739c953358c865005855253af4f68a497John McCall /// compilation's language. 645f85e193739c953358c865005855253af4f68a497John McCall /// (C++0x [basic.types]p9) 646f85e193739c953358c865005855253af4f68a497John McCall bool isCXX11PODType(ASTContext &Context) const; 647ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 648f85e193739c953358c865005855253af4f68a497John McCall /// isTrivialType - Return true if this is a trivial type 649f85e193739c953358c865005855253af4f68a497John McCall /// (C++0x [basic.types]p9) 650ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie bool isTrivialType(ASTContext &Context) const; 651f85e193739c953358c865005855253af4f68a497John McCall 652f85e193739c953358c865005855253af4f68a497John McCall /// isTriviallyCopyableType - Return true if this is a trivially 653f85e193739c953358c865005855253af4f68a497John McCall /// copyable type (C++0x [basic.types]p9) 654f85e193739c953358c865005855253af4f68a497John McCall bool isTriviallyCopyableType(ASTContext &Context) const; 655f85e193739c953358c865005855253af4f68a497John McCall 6560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Don't promise in the API that anything besides 'const' can be 6570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // easily added. 6580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 659ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// addConst - add the specified type qualifier to this QualType. 6600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { 6610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addFastQualifiers(Qualifiers::Const); 6620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withConst() const { 6640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return withFastQualifiers(Qualifiers::Const); 6650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 667ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// addVolatile - add the specified type qualifier to this QualType. 668308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt void addVolatile() { 669308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt addFastQualifiers(Qualifiers::Volatile); 670308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt } 671308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt QualType withVolatile() const { 672308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt return withFastQualifiers(Qualifiers::Volatile); 673308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt } 67418932a0f2a94a7813ec461d1118c39ecf8aa936fTed Kremenek 67518932a0f2a94a7813ec461d1118c39ecf8aa936fTed Kremenek /// Add the restrict qualifier to this QualType. 67618932a0f2a94a7813ec461d1118c39ecf8aa936fTed Kremenek void addRestrict() { 67718932a0f2a94a7813ec461d1118c39ecf8aa936fTed Kremenek addFastQualifiers(Qualifiers::Restrict); 67818932a0f2a94a7813ec461d1118c39ecf8aa936fTed Kremenek } 67918932a0f2a94a7813ec461d1118c39ecf8aa936fTed Kremenek QualType withRestrict() const { 68018932a0f2a94a7813ec461d1118c39ecf8aa936fTed Kremenek return withFastQualifiers(Qualifiers::Restrict); 68118932a0f2a94a7813ec461d1118c39ecf8aa936fTed Kremenek } 682308742c87e2311c3f349092e5b823c3821e61b10Sean Hunt 683a07398ed98ea2b55ad7a505a3aab18aed93b149fJohn McCall QualType withCVRQualifiers(unsigned CVR) const { 684a07398ed98ea2b55ad7a505a3aab18aed93b149fJohn McCall return withFastQualifiers(CVR); 685a07398ed98ea2b55ad7a505a3aab18aed93b149fJohn McCall } 686a07398ed98ea2b55ad7a505a3aab18aed93b149fJohn McCall 6870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned TQs) { 6880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(TQs & ~Qualifiers::FastMask) 6890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "non-fast qualifier bits set in mask!"); 6900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() | TQs); 6910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 69349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalConst(); 69449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalVolatile(); 69549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalRestrict(); 69649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalCVRQualifiers(unsigned Mask); 6970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 69849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalFastQualifiers() { Value.setInt(0); } 69949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalFastQualifiers(unsigned Mask) { 7000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(Mask & ~Qualifiers::FastMask) && "mask has non-fast qualifiers"); 7010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() & ~Mask); 7020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 7035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with the given qualifiers in addition to any 7050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualifiers already on this type. 7060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withFastQualifiers(unsigned TQs) const { 7070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 7080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall T.addFastQualifiers(TQs); 7090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 7100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 7111c6a38bcea17801e9a4738753aee845381af2b6cSanjiv Gupta 7120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with exactly the given fast qualifiers, removing 7130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // any existing fast qualifiers. 71449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType withExactLocalFastQualifiers(unsigned TQs) const { 71549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return withoutLocalFastQualifiers().withFastQualifiers(TQs); 7165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 7180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Removes fast qualifiers, but leaves any extended qualifiers in place. 71949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType withoutLocalFastQualifiers() const { 7200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 72149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall T.removeLocalFastQualifiers(); 7220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 723c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 724971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis 7253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType getCanonicalType() const; 7263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 727a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Return this type with all of the instance-specific qualifiers 728a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// removed, but without removing any qualifiers that may have been applied 729a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// through typedefs. 730a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor QualType getLocalUnqualifiedType() const { return QualType(getTypePtr(), 0); } 7311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 73262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \brief Retrieve the unqualified variant of the given type, 73362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// removing as little sugar as possible. 73462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 73562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// This routine looks through various kinds of sugar to find the 73662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// least-desugared type that is unqualified. For example, given: 73762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 73862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \code 73962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// typedef int Integer; 74062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// typedef const Integer CInteger; 74162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// typedef CInteger DifferenceType; 74262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \endcode 74362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 74462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// Executing \c getUnqualifiedType() on the type \c DifferenceType will 74562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// desugar until we hit the type \c Integer, which has no qualifiers on it. 74662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 74762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// The resulting type might still be qualified if it's an array 74862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// type. To strip qualifiers even from within an array type, use 74962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// ASTContext::getUnqualifiedArrayType. 75062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall inline QualType getUnqualifiedType() const; 75162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 75262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// getSplitUnqualifiedType - Retrieve the unqualified variant of the 75362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// given type, removing as little sugar as possible. 75462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 75562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// Like getUnqualifiedType(), but also returns the set of 75662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// qualifiers that were built up. 75762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 75862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// The resulting type might still be qualified if it's an array 75962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// type. To strip qualifiers even from within an array type, use 76062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// ASTContext::getUnqualifiedArrayType. 76162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall inline SplitQualType getSplitUnqualifiedType() const; 762ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 76361d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor /// \brief Determine whether this type is more qualified than the other 76461d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor /// given type, requiring exact equality for non-CVR qualifiers. 765e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isMoreQualifiedThan(QualType Other) const; 76661d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor 76761d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor /// \brief Determine whether this type is at least as qualified as the other 76861d0b6baf47cf411f6c0f6ddb4acffcfeec724f1Douglas Gregor /// given type, requiring exact equality for non-CVR qualifiers. 769e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isAtLeastAsQualifiedAs(QualType Other) const; 770ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 771e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor QualType getNonReferenceType() const; 7721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7736398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// \brief Determine the type of a (typically non-lvalue) expression with the 7746398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// specified result type. 775ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// 7766398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// This routine should be used for expressions for which the return type is 7776398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// explicitly specified (e.g., in a cast or call) and isn't necessarily 778ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// an lvalue. It removes a top-level reference (since there are no 7795291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// expressions of reference type) and deletes top-level cvr-qualifiers 7805291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// from non-class types (in C++) or all types (in C). 7816398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor QualType getNonLValueExprType(ASTContext &Context) const; 782ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 7832fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// getDesugaredType - Return the specified type with any "sugar" removed from 7842fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type. This takes off typedefs, typeof's etc. If the outer level of 7852fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type is already concrete, it returns it unmodified. This is similar 7862fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// to getting the canonical type, but it doesn't remove *all* typedefs. For 7872fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// example, it returns "T*" as "T*", (not as "int*"), because the pointer is 7882fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// concrete. 7890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 7900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Qualifiers are left in place. 7914ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType getDesugaredType(const ASTContext &Context) const { 79249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getDesugaredType(*this, Context); 79349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 79449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall 79549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall SplitQualType getSplitDesugaredType() const { 79649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getSplitDesugaredType(*this); 797bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 79898cd599ee8a9b259ed7388ee2921a20d97658864Douglas Gregor 799f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor /// \brief Return the specified type with one level of "sugar" removed from 800ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// the type. 801f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor /// 802f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor /// This routine takes off the first typedef, typeof, etc. If the outer level 803f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor /// of the type is already concrete, it returns it unmodified. 804200fa53fd420aa8369586f569dbece04930ad6a3John McCall QualType getSingleStepDesugaredType(const ASTContext &Context) const { 805200fa53fd420aa8369586f569dbece04930ad6a3John McCall return getSingleStepDesugaredTypeImpl(*this, Context); 806200fa53fd420aa8369586f569dbece04930ad6a3John McCall } 807ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 808075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara /// IgnoreParens - Returns the specified type after dropping any 809075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara /// outer-level parentheses. 810075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType IgnoreParens() const { 811723df245307a530da5433dfb43accf187dc3e243Abramo Bagnara if (isa<ParenType>(*this)) 812723df245307a530da5433dfb43accf187dc3e243Abramo Bagnara return QualType::IgnoreParens(*this); 813723df245307a530da5433dfb43accf187dc3e243Abramo Bagnara return *this; 814075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 815075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 8165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// operator==/!= - Indicate whether the specified types and qualifiers are 8175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// identical. 81850d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator==(const QualType &LHS, const QualType &RHS) { 81950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value == RHS.Value; 8205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 82150d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator!=(const QualType &LHS, const QualType &RHS) { 82250d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value != RHS.Value; 8235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 82449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall std::string getAsString() const { 82549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsString(split()); 82649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 82749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static std::string getAsString(SplitQualType split) { 828200fa53fd420aa8369586f569dbece04930ad6a3John McCall return getAsString(split.Ty, split.Quals); 82949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 83049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static std::string getAsString(const Type *ty, Qualifiers qs); 831d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor 8327ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis std::string getAsString(const PrintingPolicy &Policy) const; 8337ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis 8347ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis void print(raw_ostream &OS, const PrintingPolicy &Policy, 8357ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const Twine &PlaceHolder = Twine()) const { 8367ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis print(split(), OS, Policy, PlaceHolder); 8377ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis } 8387ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis static void print(SplitQualType split, raw_ostream &OS, 8397ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const PrintingPolicy &policy, const Twine &PlaceHolder) { 8407ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis return print(split.Ty, split.Quals, OS, policy, PlaceHolder); 8415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 8427ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis static void print(const Type *ty, Qualifiers qs, 8437ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis raw_ostream &OS, const PrintingPolicy &policy, 8447ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const Twine &PlaceHolder); 8457ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis 846e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner void getAsStringInternal(std::string &Str, 84749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &Policy) const { 84849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsStringInternal(split(), Str, Policy); 84949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 85049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static void getAsStringInternal(SplitQualType split, std::string &out, 85149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &policy) { 852200fa53fd420aa8369586f569dbece04930ad6a3John McCall return getAsStringInternal(split.Ty, split.Quals, out, policy); 85349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 85449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static void getAsStringInternal(const Type *ty, Qualifiers qs, 85549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall std::string &out, 85649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &policy); 8571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8587ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis class StreamedQualTypeHelper { 8597ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const QualType &T; 8607ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const PrintingPolicy &Policy; 8617ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const Twine &PlaceHolder; 8627ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis public: 8637ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis StreamedQualTypeHelper(const QualType &T, const PrintingPolicy &Policy, 8647ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const Twine &PlaceHolder) 8657ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis : T(T), Policy(Policy), PlaceHolder(PlaceHolder) { } 8667ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis 8677ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis friend raw_ostream &operator<<(raw_ostream &OS, 8687ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const StreamedQualTypeHelper &SQT) { 8697ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis SQT.T.print(OS, SQT.Policy, SQT.PlaceHolder); 8707ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis return OS; 8717ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis } 8727ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis }; 8737ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis 8747ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis StreamedQualTypeHelper stream(const PrintingPolicy &Policy, 8757ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const Twine &PlaceHolder = Twine()) const { 8767ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis return StreamedQualTypeHelper(*this, Policy, PlaceHolder); 8777ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis } 8787ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis 879c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump(const char *s) const; 880c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 8811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8823f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) const { 8833f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek ID.AddPointer(getAsOpaquePtr()); 8843f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek } 8855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 886ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// getAddressSpace - Return the address space of this type. 887ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb inline unsigned getAddressSpace() const; 8881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 889f85e193739c953358c865005855253af4f68a497John McCall /// getObjCGCAttr - Returns gc attribute of this type. 8900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall inline Qualifiers::GC getObjCGCAttr() const; 891f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 892f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCWeak true when Type is objc's weak. 893f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCWeak() const { 8940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Weak; 895f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 896f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 897f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCStrong true when Type is objc's strong. 898f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCStrong() const { 8990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Strong; 900f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 9012455636163fdd18581d7fdae816433f886d88213Mike Stump 902f85e193739c953358c865005855253af4f68a497John McCall /// getObjCLifetime - Returns lifetime attribute of this type. 903f85e193739c953358c865005855253af4f68a497John McCall Qualifiers::ObjCLifetime getObjCLifetime() const { 904f85e193739c953358c865005855253af4f68a497John McCall return getQualifiers().getObjCLifetime(); 905f85e193739c953358c865005855253af4f68a497John McCall } 906f85e193739c953358c865005855253af4f68a497John McCall 907f85e193739c953358c865005855253af4f68a497John McCall bool hasNonTrivialObjCLifetime() const { 908f85e193739c953358c865005855253af4f68a497John McCall return getQualifiers().hasNonTrivialObjCLifetime(); 909f85e193739c953358c865005855253af4f68a497John McCall } 910f85e193739c953358c865005855253af4f68a497John McCall 911f85e193739c953358c865005855253af4f68a497John McCall bool hasStrongOrWeakObjCLifetime() const { 912f85e193739c953358c865005855253af4f68a497John McCall return getQualifiers().hasStrongOrWeakObjCLifetime(); 913f85e193739c953358c865005855253af4f68a497John McCall } 914f85e193739c953358c865005855253af4f68a497John McCall 9150d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall enum DestructionKind { 9160d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall DK_none, 917f85e193739c953358c865005855253af4f68a497John McCall DK_cxx_destructor, 918f85e193739c953358c865005855253af4f68a497John McCall DK_objc_strong_lifetime, 919f85e193739c953358c865005855253af4f68a497John McCall DK_objc_weak_lifetime 9200d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall }; 9210d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall 9220d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall /// isDestructedType - nonzero if objects of this type require 9230d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall /// non-trivial work to clean up after. Non-zero because it's 9240d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall /// conceivable that qualifiers (objc_gc(weak)?) could make 9250d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall /// something require destruction. 9260d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall DestructionKind isDestructedType() const { 9270d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall return isDestructedTypeImpl(*this); 9280d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall } 9290d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall 930ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Determine whether expressions of the given type are forbidden 9312b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// from being lvalues in C. 9322b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// 9332b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// The expression types that are forbidden to be lvalues are: 9342b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// - 'void', but not qualified void 9352b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// - function types 9362b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// 9372b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// The exact rule here is C99 6.3.2.1: 9382b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// An lvalue is an expression with an object type or an incomplete 9392b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor /// type other than void. 9402b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor bool isCForbiddenLValueType() const; 9412b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor 94285ea7aa961deac1d754f610af8062ae3f8b4e2a5Sebastian Redl /// \brief Determine whether this type has trivial copy/move-assignment 94385ea7aa961deac1d754f610af8062ae3f8b4e2a5Sebastian Redl /// semantics. 94485ea7aa961deac1d754f610af8062ae3f8b4e2a5Sebastian Redl bool hasTrivialAssignment(ASTContext &Context, bool Copying) const; 945ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 946bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCallprivate: 947bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // These methods are implemented in a separate translation unit; 948bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // "static"-ize them to avoid creating temporary QualTypes in the 949bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // caller. 950bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall static bool isConstant(QualType T, ASTContext& Ctx); 9514ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static QualType getDesugaredType(QualType T, const ASTContext &Context); 95249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static SplitQualType getSplitDesugaredType(QualType T); 95362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall static SplitQualType getSplitUnqualifiedTypeImpl(QualType type); 954200fa53fd420aa8369586f569dbece04930ad6a3John McCall static QualType getSingleStepDesugaredTypeImpl(QualType type, 955200fa53fd420aa8369586f569dbece04930ad6a3John McCall const ASTContext &C); 956075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static QualType IgnoreParens(QualType T); 9570d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall static DestructionKind isDestructedTypeImpl(QualType type); 9585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end clang. 9615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace llvm { 9635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Implement simplify_type for QualType, so that we can dyn_cast from QualType 9645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// to a specific Type class. 9655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type<const ::clang::QualType> { 966f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall typedef const ::clang::Type *SimpleType; 9675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static SimpleType getSimplifiedValue(const ::clang::QualType &Val) { 9684472fc641ea3069463798fb56a04043c28ea2910Douglas Gregor return Val.getTypePtr(); 9695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 9715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type< ::clang::QualType> 9725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : public simplify_type<const ::clang::QualType> {}; 9731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9744e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner// Teach SmallPtrSet that QualType is "basically a pointer". 9754e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnertemplate<> 976daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattnerclass PointerLikeTypeTraits<clang::QualType> { 9774e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnerpublic: 9784e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline void *getAsVoidPointer(clang::QualType P) { 9794e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return P.getAsOpaquePtr(); 9804e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 9814e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline clang::QualType getFromVoidPointer(void *P) { 9824e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return clang::QualType::getFromOpaquePtr(P); 9834e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 9840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Various qualifiers go in low bits. 9850eda3b31a672ea486fa92b9bc49a2c91be856b53Chris Lattner enum { NumLowBitsAvailable = 0 }; 9864e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner}; 9871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 98873af669633e13c813f80cd15ecf3e6414778aee4Ted Kremenek} // end namespace llvm 9895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 9905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 9915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 992ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// \brief Base class that is common to both the \c ExtQuals and \c Type 9933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// classes, which allows \c QualType to access the common fields between the 9943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// two. 9953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// 9963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallclass ExtQualsTypeCommonBase { 9973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQualsTypeCommonBase(const Type *baseType, QualType canon) 9983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall : BaseType(baseType), CanonicalType(canon) {} 9993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 10003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// \brief The "base" type of an extended qualifiers type (\c ExtQuals) or 10013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// a self-referential pointer (for \c Type). 10023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// 1003ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// This pointer allows an efficient mapping from a QualType to its 10043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// underlying type pointer. 10053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *const BaseType; 10063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 10073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// \brief The canonical type of this type. A QualType. 10083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType CanonicalType; 10093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 10103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall friend class QualType; 10113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall friend class Type; 10123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall friend class ExtQuals; 10133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall}; 1014ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 10153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// ExtQuals - We can encode up to four bits in the low bits of a 10163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// type pointer, but there are many more type qualifiers that we want 10173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// to be able to apply to an arbitrary type. Therefore we have this 10183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// struct, intended to be heap-allocated and used by QualType to 10193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// store qualifiers. 10203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// 1021ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// The current design tags the 'const', 'restrict', and 'volatile' qualifiers 10223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// in three low bits on the QualType pointer; a fourth bit records whether 10233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// the pointer is an ExtQuals node. The extended qualifiers (address spaces, 10243b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// Objective-C GC attributes) are much more rare. 10253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallclass ExtQuals : public ExtQualsTypeCommonBase, public llvm::FoldingSetNode { 10263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // NOTE: changing the fast qualifiers should be straightforward as 10273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // long as you don't make 'const' non-fast. 10283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // 1. Qualifiers: 10293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // a) Modify the bitmasks (Qualifiers::TQ and DeclSpec::TQ). 10303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Fast qualifiers must occupy the low-order bits. 10313b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // b) Update Qualifiers::FastWidth and FastMask. 10323b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // 2. QualType: 10333b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // a) Update is{Volatile,Restrict}Qualified(), defined inline. 10343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // b) Update remove{Volatile,Restrict}, defined near the end of 10353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // this header. 10363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // 3. ASTContext: 10373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // a) Update get{Volatile,Restrict}Type. 10383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 10393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// Quals - the immutable set of qualifiers applied by this 10403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// node; always contains extended qualifiers. 10413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers Quals; 10423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 10433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals *this_() { return this; } 10443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 10453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallpublic: 1046ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ExtQuals(const Type *baseType, QualType canon, Qualifiers quals) 10473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall : ExtQualsTypeCommonBase(baseType, 10483b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon.isNull() ? QualType(this_(), 0) : canon), 10493b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals(quals) 10503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall { 10513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(Quals.hasNonFastQualifiers() 10523b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall && "ExtQuals created with no fast qualifiers"); 10533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!Quals.hasFastQualifiers() 10543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall && "ExtQuals created with fast qualifiers"); 10553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 10563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 10573b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers getQualifiers() const { return Quals; } 10583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 10593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall bool hasObjCGCAttr() const { return Quals.hasObjCGCAttr(); } 10603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers::GC getObjCGCAttr() const { return Quals.getObjCGCAttr(); } 10613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 1062f85e193739c953358c865005855253af4f68a497John McCall bool hasObjCLifetime() const { return Quals.hasObjCLifetime(); } 1063f85e193739c953358c865005855253af4f68a497John McCall Qualifiers::ObjCLifetime getObjCLifetime() const { 1064f85e193739c953358c865005855253af4f68a497John McCall return Quals.getObjCLifetime(); 1065f85e193739c953358c865005855253af4f68a497John McCall } 1066f85e193739c953358c865005855253af4f68a497John McCall 10673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall bool hasAddressSpace() const { return Quals.hasAddressSpace(); } 10683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned getAddressSpace() const { return Quals.getAddressSpace(); } 10693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 10703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *getBaseType() const { return BaseType; } 10713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 10723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallpublic: 10733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void Profile(llvm::FoldingSetNodeID &ID) const { 10743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Profile(ID, getBaseType(), Quals); 10753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 10763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall static void Profile(llvm::FoldingSetNodeID &ID, 10773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *BaseType, 10783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers Quals) { 10793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!Quals.hasFastQualifiers() && "fast qualifiers in ExtQuals hash!"); 10803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ID.AddPointer(BaseType); 10813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals.Profile(ID); 10823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 10833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall}; 10843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 1085ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// \brief The kind of C++0x ref-qualifier associated with a function type, 1086ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// which determines whether a member function's "this" object can be an 1087c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor/// lvalue, rvalue, or neither. 1088c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregorenum RefQualifierKind { 1089c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief No ref-qualifier was provided. 1090c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RQ_None = 0, 1091c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief An lvalue ref-qualifier was provided (\c &). 1092c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RQ_LValue, 1093c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief An rvalue ref-qualifier was provided (\c &&). 1094c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RQ_RValue 1095c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor}; 1096ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 10975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Type - This is the base class of the type hierarchy. A central concept 10985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// with types is that each type always has a canonical type. A canonical type 10995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is the type with any typedef names stripped out of it or the types it 11005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// references. For example, consider: 11015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef int foo; 11035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef foo* bar; 11045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int *' 'foo *' 'bar' 11055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// There will be a Type object created for 'int'. Since int is canonical, its 11075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonicaltype pointer points to itself. There is also a Type for 'foo' (a 110872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypedefType). Its CanonicalType pointer points to the 'int' Type. Next 11095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// there is a PointerType that represents 'int*', which, like 'int', is 11105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonical. Finally, there is a PointerType type for 'foo*' whose canonical 111172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// type is 'int*', and there is a TypedefType for 'bar', whose canonical type 11125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is also 'int*'. 11135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Non-canonical types are useful for emitting diagnostics, without losing 11155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// information about typedefs being used. Canonical types are useful for type 11165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// comparisons (they allow by-pointer equality tests) and useful for reasoning 11175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// about whether something has a particular form (e.g. is a function type), 11185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// because they implicitly, recursively, strip all typedefs out of a type. 11195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Types, once created, are immutable. 11215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 11221ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregorclass Type : public ExtQualsTypeCommonBase { 11235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 11245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum TypeClass { 112572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) Class, 112627935ee59c30b0d8b610ab676aab8e65350af932John McCall#define LAST_TYPE(Class) TypeLast = Class, 112772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 112872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 112972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor TagFirst = Record, TagLast = Enum 11305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 11311bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 11325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 1133c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Type(const Type&); // DO NOT IMPLEMENT. 1134c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void operator=(const Type&); // DO NOT IMPLEMENT. 1135c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 1136b870b88df784c2940efce448ebfaf54dece14666John McCall /// Bitfields required by the Type class. 1137b870b88df784c2940efce448ebfaf54dece14666John McCall class TypeBitfields { 1138b870b88df784c2940efce448ebfaf54dece14666John McCall friend class Type; 1139b7b2688bab0eac053d3e2938b329c8e523fd252bJohn McCall template <class T> friend class TypePropertyCache; 114027935ee59c30b0d8b610ab676aab8e65350af932John McCall 1141b870b88df784c2940efce448ebfaf54dece14666John McCall /// TypeClass bitfield - Enum that specifies what subclass this belongs to. 1142b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned TC : 8; 1143b870b88df784c2940efce448ebfaf54dece14666John McCall 1144b870b88df784c2940efce448ebfaf54dece14666John McCall /// Dependent - Whether this type is a dependent type (C++ [temp.dep.type]). 1145b870b88df784c2940efce448ebfaf54dece14666John McCall /// Note that this should stay at the end of the ivars for Type so that 1146b870b88df784c2940efce448ebfaf54dece14666John McCall /// subclasses can pack their bitfields into the same word. 1147bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned Dependent : 1; 1148ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1149ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Whether this type somehow involves a template parameter, even 1150561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// if the resolution of the type does not depend on a template parameter. 1151561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor unsigned InstantiationDependent : 1; 1152ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1153b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Whether this type is a variably-modified type (C99 6.7.5). 1154bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned VariablyModified : 1; 1155d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 1156d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Whether this type contains an unexpanded parameter pack 1157d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// (for C++0x variadic templates). 1158d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned ContainsUnexpandedParameterPack : 1; 1159ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 11601fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Nonzero if the cache (i.e. the bitfields here starting 11611fb0caaa7bef765b85972274e3b434af2572c141John McCall /// with 'Cache') is valid. If so, then this is a 11621fb0caaa7bef765b85972274e3b434af2572c141John McCall /// LangOptions::VisibilityMode+1. 11631fb0caaa7bef765b85972274e3b434af2572c141John McCall mutable unsigned CacheValidAndVisibility : 2; 1164ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1165093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola /// \brief True if the visibility was set explicitly in the source code. 1166093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola mutable unsigned CachedExplicitVisibility : 1; 1167093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola 1168b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Linkage of this type. 1169b870b88df784c2940efce448ebfaf54dece14666John McCall mutable unsigned CachedLinkage : 2; 117007a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1171ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// \brief Whether this type involves and local or unnamed types. 1172bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet mutable unsigned CachedLocalOrUnnamed : 1; 1173ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1174b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief FromAST - Whether this type comes from an AST file. 1175bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet mutable unsigned FromAST : 1; 1176b870b88df784c2940efce448ebfaf54dece14666John McCall 11771fb0caaa7bef765b85972274e3b434af2572c141John McCall bool isCacheValid() const { 11781fb0caaa7bef765b85972274e3b434af2572c141John McCall return (CacheValidAndVisibility != 0); 11791fb0caaa7bef765b85972274e3b434af2572c141John McCall } 11801fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility getVisibility() const { 11811fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 11821fb0caaa7bef765b85972274e3b434af2572c141John McCall return static_cast<Visibility>(CacheValidAndVisibility-1); 11831fb0caaa7bef765b85972274e3b434af2572c141John McCall } 1184093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola bool isVisibilityExplicit() const { 1185093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola assert(isCacheValid() && "getting linkage from invalid cache"); 1186093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola return CachedExplicitVisibility; 1187093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola } 11881fb0caaa7bef765b85972274e3b434af2572c141John McCall Linkage getLinkage() const { 11891fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 11901fb0caaa7bef765b85972274e3b434af2572c141John McCall return static_cast<Linkage>(CachedLinkage); 11911fb0caaa7bef765b85972274e3b434af2572c141John McCall } 11921fb0caaa7bef765b85972274e3b434af2572c141John McCall bool hasLocalOrUnnamedType() const { 11931fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 11941fb0caaa7bef765b85972274e3b434af2572c141John McCall return CachedLocalOrUnnamed; 11951fb0caaa7bef765b85972274e3b434af2572c141John McCall } 1196b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1197093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola enum { NumTypeBits = 19 }; 1198b870b88df784c2940efce448ebfaf54dece14666John McCall 1199b870b88df784c2940efce448ebfaf54dece14666John McCallprotected: 1200b870b88df784c2940efce448ebfaf54dece14666John McCall // These classes allow subclasses to somewhat cleanly pack bitfields 1201b870b88df784c2940efce448ebfaf54dece14666John McCall // into Type. 1202b870b88df784c2940efce448ebfaf54dece14666John McCall 1203b870b88df784c2940efce448ebfaf54dece14666John McCall class ArrayTypeBitfields { 1204b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ArrayType; 1205b870b88df784c2940efce448ebfaf54dece14666John McCall 1206b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1207b870b88df784c2940efce448ebfaf54dece14666John McCall 1208b870b88df784c2940efce448ebfaf54dece14666John McCall /// IndexTypeQuals - CVR qualifiers from declarations like 1209b870b88df784c2940efce448ebfaf54dece14666John McCall /// 'int X[static restrict 4]'. For function parameters only. 1210b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned IndexTypeQuals : 3; 1211b870b88df784c2940efce448ebfaf54dece14666John McCall 1212b870b88df784c2940efce448ebfaf54dece14666John McCall /// SizeModifier - storage class qualifiers from declarations like 1213b870b88df784c2940efce448ebfaf54dece14666John McCall /// 'int X[static restrict 4]'. For function parameters only. 1214b870b88df784c2940efce448ebfaf54dece14666John McCall /// Actually an ArrayType::ArraySizeModifier. 1215b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned SizeModifier : 3; 1216b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1217b870b88df784c2940efce448ebfaf54dece14666John McCall 1218b870b88df784c2940efce448ebfaf54dece14666John McCall class BuiltinTypeBitfields { 1219b870b88df784c2940efce448ebfaf54dece14666John McCall friend class BuiltinType; 1220b870b88df784c2940efce448ebfaf54dece14666John McCall 1221b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1222b870b88df784c2940efce448ebfaf54dece14666John McCall 1223b870b88df784c2940efce448ebfaf54dece14666John McCall /// The kind (BuiltinType::Kind) of builtin type this is. 1224b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned Kind : 8; 1225b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1226b870b88df784c2940efce448ebfaf54dece14666John McCall 1227b870b88df784c2940efce448ebfaf54dece14666John McCall class FunctionTypeBitfields { 1228b870b88df784c2940efce448ebfaf54dece14666John McCall friend class FunctionType; 1229b870b88df784c2940efce448ebfaf54dece14666John McCall 1230b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1231b870b88df784c2940efce448ebfaf54dece14666John McCall 1232b870b88df784c2940efce448ebfaf54dece14666John McCall /// Extra information which affects how the function is called, like 1233b870b88df784c2940efce448ebfaf54dece14666John McCall /// regparm and the calling convention. 12347e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor unsigned ExtInfo : 8; 1235b870b88df784c2940efce448ebfaf54dece14666John McCall 1236b870b88df784c2940efce448ebfaf54dece14666John McCall /// TypeQuals - Used only by FunctionProtoType, put here to pack with the 1237b870b88df784c2940efce448ebfaf54dece14666John McCall /// other bitfields. 1238b870b88df784c2940efce448ebfaf54dece14666John McCall /// The qualifiers are part of FunctionProtoType because... 1239b870b88df784c2940efce448ebfaf54dece14666John McCall /// 1240b870b88df784c2940efce448ebfaf54dece14666John McCall /// C++ 8.3.5p4: The return type, the parameter type list and the 1241b870b88df784c2940efce448ebfaf54dece14666John McCall /// cv-qualifier-seq, [...], are part of the function type. 1242b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned TypeQuals : 3; 1243ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1244c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief The ref-qualifier associated with a \c FunctionProtoType. 1245c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// 1246c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// This is a value of type \c RefQualifierKind. 1247c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor unsigned RefQualifier : 2; 1248b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1249b870b88df784c2940efce448ebfaf54dece14666John McCall 1250b870b88df784c2940efce448ebfaf54dece14666John McCall class ObjCObjectTypeBitfields { 1251b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ObjCObjectType; 1252b870b88df784c2940efce448ebfaf54dece14666John McCall 1253b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1254b870b88df784c2940efce448ebfaf54dece14666John McCall 1255b870b88df784c2940efce448ebfaf54dece14666John McCall /// NumProtocols - The number of protocols stored directly on this 1256b870b88df784c2940efce448ebfaf54dece14666John McCall /// object type. 1257b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned NumProtocols : 32 - NumTypeBits; 1258b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1259b870b88df784c2940efce448ebfaf54dece14666John McCall 1260b870b88df784c2940efce448ebfaf54dece14666John McCall class ReferenceTypeBitfields { 1261b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ReferenceType; 1262b870b88df784c2940efce448ebfaf54dece14666John McCall 1263b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1264b870b88df784c2940efce448ebfaf54dece14666John McCall 1265b870b88df784c2940efce448ebfaf54dece14666John McCall /// True if the type was originally spelled with an lvalue sigil. 1266b870b88df784c2940efce448ebfaf54dece14666John McCall /// This is never true of rvalue references but can also be false 1267b870b88df784c2940efce448ebfaf54dece14666John McCall /// on lvalue references because of C++0x [dcl.typedef]p9, 1268b870b88df784c2940efce448ebfaf54dece14666John McCall /// as follows: 1269b870b88df784c2940efce448ebfaf54dece14666John McCall /// 1270b870b88df784c2940efce448ebfaf54dece14666John McCall /// typedef int &ref; // lvalue, spelled lvalue 1271b870b88df784c2940efce448ebfaf54dece14666John McCall /// typedef int &&rvref; // rvalue 1272b870b88df784c2940efce448ebfaf54dece14666John McCall /// ref &a; // lvalue, inner ref, spelled lvalue 1273b870b88df784c2940efce448ebfaf54dece14666John McCall /// ref &&a; // lvalue, inner ref 1274b870b88df784c2940efce448ebfaf54dece14666John McCall /// rvref &a; // lvalue, inner ref, spelled lvalue 1275b870b88df784c2940efce448ebfaf54dece14666John McCall /// rvref &&a; // rvalue, inner ref 1276bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned SpelledAsLValue : 1; 1277b870b88df784c2940efce448ebfaf54dece14666John McCall 1278b870b88df784c2940efce448ebfaf54dece14666John McCall /// True if the inner type is a reference type. This only happens 1279b870b88df784c2940efce448ebfaf54dece14666John McCall /// in non-canonical forms. 1280bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned InnerRef : 1; 1281b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1282b870b88df784c2940efce448ebfaf54dece14666John McCall 128377be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall class TypeWithKeywordBitfields { 128477be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall friend class TypeWithKeyword; 128577be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 128677be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned : NumTypeBits; 128777be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 128877be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall /// An ElaboratedTypeKeyword. 8 bits for efficient access. 128977be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned Keyword : 8; 129077be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall }; 129177be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 1292b870b88df784c2940efce448ebfaf54dece14666John McCall class VectorTypeBitfields { 1293b870b88df784c2940efce448ebfaf54dece14666John McCall friend class VectorType; 129407a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1295b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 129671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 1297e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson /// VecKind - The kind of vector, either a generic vector type or some 1298e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson /// target-specific vector type such as for AltiVec or Neon. 1299cc3b946c35c4372272034e6f0663089477a9a5bdBob Wilson unsigned VecKind : 3; 1300b870b88df784c2940efce448ebfaf54dece14666John McCall 1301b870b88df784c2940efce448ebfaf54dece14666John McCall /// NumElements - The number of elements in the vector. 1302cc3b946c35c4372272034e6f0663089477a9a5bdBob Wilson unsigned NumElements : 29 - NumTypeBits; 1303b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1304b870b88df784c2940efce448ebfaf54dece14666John McCall 13059d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall class AttributedTypeBitfields { 13069d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall friend class AttributedType; 13079d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 13089d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall unsigned : NumTypeBits; 13099d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 13109d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall /// AttrKind - an AttributedType::Kind 13119d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall unsigned AttrKind : 32 - NumTypeBits; 13129d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall }; 13139d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 1314b870b88df784c2940efce448ebfaf54dece14666John McCall union { 1315b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBitfields TypeBits; 1316b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBitfields ArrayTypeBits; 13179d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedTypeBitfields AttributedTypeBits; 1318b870b88df784c2940efce448ebfaf54dece14666John McCall BuiltinTypeBitfields BuiltinTypeBits; 1319b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBitfields FunctionTypeBits; 1320b870b88df784c2940efce448ebfaf54dece14666John McCall ObjCObjectTypeBitfields ObjCObjectTypeBits; 1321b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBitfields ReferenceTypeBits; 132277be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall TypeWithKeywordBitfields TypeWithKeywordBits; 1323b870b88df784c2940efce448ebfaf54dece14666John McCall VectorTypeBitfields VectorTypeBits; 1324b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1325b870b88df784c2940efce448ebfaf54dece14666John McCall 1326b870b88df784c2940efce448ebfaf54dece14666John McCallprivate: 13273c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Set whether this type comes from an AST file. 1328ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie void setFromAST(bool V = true) const { 1329b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.FromAST = V; 133007a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl } 133107a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1332b7b2688bab0eac053d3e2938b329c8e523fd252bJohn McCall template <class T> friend class TypePropertyCache; 13331fb0caaa7bef765b85972274e3b434af2572c141John McCall 13345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 1335124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser // silence VC++ warning C4355: 'this' : used in base member initializer list 1336124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser Type *this_() { return this; } 1337ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Type(TypeClass tc, QualType canon, bool Dependent, 1338561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool InstantiationDependent, bool VariablyModified, 1339d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool ContainsUnexpandedParameterPack) 13403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall : ExtQualsTypeCommonBase(this, 13413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon.isNull() ? QualType(this_(), 0) : canon) { 1342b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.TC = tc; 1343b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.Dependent = Dependent; 1344561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor TypeBits.InstantiationDependent = Dependent || InstantiationDependent; 1345b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.VariablyModified = VariablyModified; 1346d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor TypeBits.ContainsUnexpandedParameterPack = ContainsUnexpandedParameterPack; 13471fb0caaa7bef765b85972274e3b434af2572c141John McCall TypeBits.CacheValidAndVisibility = 0; 1348093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola TypeBits.CachedExplicitVisibility = false; 1349b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.CachedLocalOrUnnamed = false; 1350b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.CachedLinkage = NoLinkage; 1351b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.FromAST = false; 1352b870b88df784c2940efce448ebfaf54dece14666John McCall } 13535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; 13541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1355ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie void setDependent(bool D = true) { 1356ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie TypeBits.Dependent = D; 1357561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (D) 1358561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor TypeBits.InstantiationDependent = true; 1359561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor } 1360ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie void setInstantiationDependent(bool D = true) { 1361561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor TypeBits.InstantiationDependent = D; } 1362ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie void setVariablyModified(bool VM = true) { TypeBits.VariablyModified = VM; 1363561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor } 1364d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor void setContainsUnexpandedParameterPack(bool PP = true) { 1365d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor TypeBits.ContainsUnexpandedParameterPack = PP; 1366d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 1367d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 13688b9023ba35a86838789e2c9034a6128728c547aaChris Lattnerpublic: 1369b870b88df784c2940efce448ebfaf54dece14666John McCall TypeClass getTypeClass() const { return static_cast<TypeClass>(TypeBits.TC); } 13701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13713c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Whether this type comes from an AST file. 1372b870b88df784c2940efce448ebfaf54dece14666John McCall bool isFromAST() const { return TypeBits.FromAST; } 137307a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1374d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Whether this type is or contains an unexpanded parameter 1375d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// pack, used to support C++0x variadic templates. 1376d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 1377d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// A type that contains a parameter pack shall be expanded by the 1378d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// ellipsis operator at some point. For example, the typedef in the 1379d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// following example contains an unexpanded parameter pack 'T': 1380d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 1381d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \code 1382d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// template<typename ...T> 1383d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// struct X { 1384d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// typedef T* pointer_types; // ill-formed; T is a parameter pack. 1385d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// }; 1386d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \endcode 1387d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 1388ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// Note that this routine does not specify which 1389ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie bool containsUnexpandedParameterPack() const { 1390d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return TypeBits.ContainsUnexpandedParameterPack; 1391d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 1392d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 13933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// Determines if this type would be canonical if it had no further 13943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// qualification. 1395467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonicalUnqualified() const { 13963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return CanonicalType == QualType(this, 0); 1397467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall } 13985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1399200fa53fd420aa8369586f569dbece04930ad6a3John McCall /// Pull a single level of sugar off of this locally-unqualified type. 1400200fa53fd420aa8369586f569dbece04930ad6a3John McCall /// Users should generally prefer SplitQualType::getSingleStepDesugaredType() 1401200fa53fd420aa8369586f569dbece04930ad6a3John McCall /// or QualType::getSingleStepDesugaredType(const ASTContext&). 1402200fa53fd420aa8369586f569dbece04930ad6a3John McCall QualType getLocallyUnqualifiedSingleStepDesugaredType() const; 1403200fa53fd420aa8369586f569dbece04930ad6a3John McCall 14041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Types are partitioned into 3 broad categories (C99 6.2.5p1): 14055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// object types, function types, and incomplete types. 14061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIncompleteType - Return true if this is an incomplete type. 14085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// A type that can describe objects, but which lacks information needed to 14095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// determine its size (e.g. void, or a fwd declared struct). Clients of this 14101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// routine will need to determine if the size is actually required. 1411d07cc36c71558b62889691184dd04655a33fd12aDouglas Gregor /// 1412d07cc36c71558b62889691184dd04655a33fd12aDouglas Gregor /// \brief Def If non-NULL, and the type refers to some kind of declaration 1413d07cc36c71558b62889691184dd04655a33fd12aDouglas Gregor /// that can be completed (such as a C struct, C++ class, or Objective-C 1414d07cc36c71558b62889691184dd04655a33fd12aDouglas Gregor /// class), will be set to the declaration. 1415d07cc36c71558b62889691184dd04655a33fd12aDouglas Gregor bool isIncompleteType(NamedDecl **Def = 0) const; 1416d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner 1417d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// isIncompleteOrObjectType - Return true if this is an incomplete or object 1418d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// type, in other words, not a function type. 1419d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner bool isIncompleteOrObjectType() const { 1420d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner return !isFunctionType(); 1421d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner } 1422ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 14232fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor /// \brief Determine whether this type is an object type. 14242fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor bool isObjectType() const { 14252fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor // C++ [basic.types]p8: 1426ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie // An object type is a (possibly cv-qualified) type that is not a 14272fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor // function type, not a reference type, and not a void type. 14282fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor return !isReferenceType() && !isFunctionType() && !isVoidType(); 14292fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor } 143064b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 1431ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// isLiteralType - Return true if this is a literal type 1432ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// (C++0x [basic.types]p10) 1433ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl bool isLiteralType() const; 1434ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl 1435636a617cc6021a4366380b3ce673f4472f3d99dbChandler Carruth /// \brief Test if this type is a standard-layout type. 1436636a617cc6021a4366380b3ce673f4472f3d99dbChandler Carruth /// (C++0x [basic.type]p9) 1437636a617cc6021a4366380b3ce673f4472f3d99dbChandler Carruth bool isStandardLayoutType() const; 1438636a617cc6021a4366380b3ce673f4472f3d99dbChandler Carruth 14395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Helper methods to distinguish type categories. All type predicates 1440ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// operate on the canonical type, ignoring typedefs and qualifiers. 1441e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 14429b065ddabf572772991a4aadad5bf4921fac5069Tom Care /// isBuiltinType - returns true if the type is a builtin type. 14439b065ddabf572772991a4aadad5bf4921fac5069Tom Care bool isBuiltinType() const; 14449b065ddabf572772991a4aadad5bf4921fac5069Tom Care 1445e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar /// isSpecificBuiltinType - Test for a particular builtin type. 1446e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar bool isSpecificBuiltinType(unsigned K) const; 14471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14482a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// isPlaceholderType - Test for a type which does not represent an 14492a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// actual type-system type but is instead used as a placeholder for 14502a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// various convenient purposes within Clang. All such types are 14512a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// BuiltinTypes. 14522a984cad5ac3fdceeff2bd99daa7b90979313475John McCall bool isPlaceholderType() const; 1453a180f04c091bf3ede4fe292ba6a29d61da09e936John McCall const BuiltinType *getAsPlaceholderType() const; 14542a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 1455864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// isSpecificPlaceholderType - Test for a specific placeholder type. 1456864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall bool isSpecificPlaceholderType(unsigned K) const; 1457864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 145832509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall /// isNonOverloadPlaceholderType - Test for a placeholder type 145932509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall /// other than Overload; see BuiltinType::isNonOverloadPlaceholderType. 146032509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall bool isNonOverloadPlaceholderType() const; 146132509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall 146296d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isIntegerType() does *not* include complex integers (a GCC extension). 146396d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isComplexIntegerType() can be used to test for complex integers. 14645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIntegerType() const; // C99 6.2.5p17 (int, char, bool, enum) 146513b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isEnumeralType() const; 146613b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isBooleanType() const; 146713b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isCharType() const; 146877a52233f7c0f162672652051bfe78b65ad4f789Douglas Gregor bool isWideCharType() const; 14695cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor bool isChar16Type() const; 14705cee1195584fa8672253139c86e922daeda69b9eDouglas Gregor bool isChar32Type() const; 147120093b4bf698f292c664676987541d5103b65b15Douglas Gregor bool isAnyCharacterType() const; 14729d3347a5887d2d25afe8b0bd35783a72ec86cce2Douglas Gregor bool isIntegralType(ASTContext &Ctx) const; 1473ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 14742ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor /// \brief Determine whether this type is an integral or enumeration type. 14752ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor bool isIntegralOrEnumerationType() const; 14761274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor /// \brief Determine whether this type is an integral or unscoped enumeration 14771274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor /// type. 14781274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor bool isIntegralOrUnscopedEnumerationType() const; 1479ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 14805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Floating point categories. 14815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealFloatingType() const; // C99 6.2.5p10 (float, double, long double) 148202f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexType() does *not* include complex integers (a GCC extension). 148302f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexIntegerType() can be used to test for complex integers. 14845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isComplexType() const; // C99 6.2.5p11 (complex) 1485f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner bool isAnyComplexType() const; // C99 6.2.5p11 (complex) + Complex Int. 14865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isFloatingType() const; // C99 6.2.5p11 (real floating + complex) 1487aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov bool isHalfType() const; // OpenCL 6.1.1.1, NEON (IEEE 754-2008 half) 14885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealType() const; // C99 6.2.5p17 (real floating + integer) 14895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArithmeticType() const; // C99 6.2.5p18 (integer + floating) 1490c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isVoidType() const; // C99 6.2.5p19 1491c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isDerivedType() const; // C99 6.2.5p20 1492c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isScalarType() const; // C99 6.2.5p21 (arithmetic + pointers) 1493d7eb846aaf5ee4a8d22c3cd0796d1e7229d46013Douglas Gregor bool isAggregateType() const; 1494aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth bool isFundamentalType() const; 1495aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth bool isCompoundType() const; 14961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1497c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Predicates: Check to see if this type is structurally the specified 1498ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb // type, ignoring typedefs and qualifiers. 1499c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isFunctionType() const; 1500183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionNoProtoType() const { return getAs<FunctionNoProtoType>(); } 1501183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionProtoType() const { return getAs<FunctionProtoType>(); } 1502befee48ff2a1dab236c5700f00ecca1cfdcd5837Chris Lattner bool isPointerType() const; 150358f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff bool isAnyPointerType() const; // Any C pointer or ObjC object pointer 15045618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff bool isBlockPointerType() const; 15057154a77e7c1f23418342d3b72836ab504aa7821eSteve Naroff bool isVoidPointerType() const; 1506a1d9fdea79ba7bbd71862b9f9f78f5f117331fc7Chris Lattner bool isReferenceType() const; 15077c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isLValueReferenceType() const; 15087c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isRValueReferenceType() const; 1509bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner bool isFunctionPointerType() const; 1510f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberPointerType() const; 1511f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberFunctionPointerType() const; 1512db68e28c05a67735211e688009890cf834c22e75Douglas Gregor bool isMemberDataPointerType() const; 1513c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isArrayType() const; 1514c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isConstantArrayType() const; 1515c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isIncompleteArrayType() const; 1516c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isVariableArrayType() const; 1517898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool isDependentSizedArrayType() const; 1518c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isRecordType() const; 15191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isClassType() const; 15201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isStructureType() const; 1521fb87b89fc9eb103e19fb8e4b925c23f0bd091b99Douglas Gregor bool isStructureOrClassType() const; 15224cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff bool isUnionType() const; 1523368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isComplexIntegerType() const; // GCC _Complex integer type. 1524368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isVectorType() const; // GCC vector type. 1525213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman bool isExtVectorType() const; // Extended vector type. 1526f85e193739c953358c865005855253af4f68a497John McCall bool isObjCObjectPointerType() const; // pointer to ObjC object 1527f85e193739c953358c865005855253af4f68a497John McCall bool isObjCRetainableType() const; // ObjC object or block pointer 1528f85e193739c953358c865005855253af4f68a497John McCall bool isObjCLifetimeType() const; // (array of)* retainable type 1529f85e193739c953358c865005855253af4f68a497John McCall bool isObjCIndirectLifetimeType() const; // (pointer to)* lifetime type 1530f85e193739c953358c865005855253af4f68a497John McCall bool isObjCNSObjectType() const; // __attribute__((NSObject)) 153114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // FIXME: change this to 'raw' interface type, so we can used 'interface' type 153214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for the common case. 1533c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCObjectType() const; // NSString or typeof(*(id)0) 1534368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedInterfaceType() const; // NSString<foo> 1535368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedIdType() const; // id<foo> 1536470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const; // Class<foo> 1537569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor bool isObjCObjectOrInterfaceType() const; 153814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const; // id 153914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const; // Class 154013dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian bool isObjCSelType() const; // Class 1541de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff bool isObjCBuiltinType() const; // 'id' or 'Class' 1542f85e193739c953358c865005855253af4f68a497John McCall bool isObjCARCBridgableType() const; 1543f85e193739c953358c865005855253af4f68a497John McCall bool isCARCBridgableType() const; 154472c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor bool isTemplateTypeParmType() const; // C++ template type parameter 15456e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl bool isNullPtrType() const; // C++0x nullptr_t 1546ffbe9b9c64ab2e94b9d48ec56e511f75826fc80aBenjamin Kramer bool isAtomicType() const; // C11 _Atomic() 1547898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1548f85e193739c953358c865005855253af4f68a497John McCall /// Determines if this type, which must satisfy 1549f85e193739c953358c865005855253af4f68a497John McCall /// isObjCLifetimeType(), is implicitly __unsafe_unretained rather 1550f85e193739c953358c865005855253af4f68a497John McCall /// than implicitly __strong. 1551f85e193739c953358c865005855253af4f68a497John McCall bool isObjCARCImplicitlyUnretainedType() const; 1552f85e193739c953358c865005855253af4f68a497John McCall 1553f85e193739c953358c865005855253af4f68a497John McCall /// Return the implicit lifetime for this type, which must not be dependent. 1554f85e193739c953358c865005855253af4f68a497John McCall Qualifiers::ObjCLifetime getObjCARCImplicitLifetime() const; 1555f85e193739c953358c865005855253af4f68a497John McCall 1556daa8e4e888758d55a7a759dd4a91b83921cef222John McCall enum ScalarTypeKind { 15571d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall STK_CPointer, 15581d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall STK_BlockPointer, 15591d9b3b25f7ac0d0195bba6b507a684fe5e7943eeJohn McCall STK_ObjCObjectPointer, 1560daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_MemberPointer, 1561daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Bool, 1562daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Integral, 1563daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Floating, 1564daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_IntegralComplex, 1565daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_FloatingComplex 1566daa8e4e888758d55a7a759dd4a91b83921cef222John McCall }; 1567daa8e4e888758d55a7a759dd4a91b83921cef222John McCall /// getScalarTypeKind - Given that this is a scalar type, classify it. 1568daa8e4e888758d55a7a759dd4a91b83921cef222John McCall ScalarTypeKind getScalarTypeKind() const; 1569daa8e4e888758d55a7a759dd4a91b83921cef222John McCall 1570898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// isDependentType - Whether this type is a dependent type, meaning 15711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// that its definition somehow depends on a template parameter 1572898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// (C++ [temp.dep.type]). 1573b870b88df784c2940efce448ebfaf54dece14666John McCall bool isDependentType() const { return TypeBits.Dependent; } 1574ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1575561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// \brief Determine whether this type is an instantiation-dependent type, 1576561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// meaning that the type involves a template parameter (even if the 1577561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// definition does not actually depend on the type substituted for that 1578561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /// template parameter). 1579ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie bool isInstantiationDependentType() const { 1580ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return TypeBits.InstantiationDependent; 1581561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor } 1582ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 158335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /// \brief Whether this type is a variably-modified type (C99 6.7.5). 1584b870b88df784c2940efce448ebfaf54dece14666John McCall bool isVariablyModifiedType() const { return TypeBits.VariablyModified; } 15853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 15863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// \brief Whether this type involves a variable-length array type 15873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// with a definite size. 15883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall bool hasSizedVLAType() const; 1589ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1590db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor /// \brief Whether this type is or contains a local or unnamed type. 1591db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor bool hasUnnamedOrLocalType() const; 1592ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1593063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor bool isOverloadableType() const; 159472c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 15954033642464e8ba0982f88f34cffad808d247b393Douglas Gregor /// \brief Determine wither this type is a C++ elaborated-type-specifier. 15964033642464e8ba0982f88f34cffad808d247b393Douglas Gregor bool isElaboratedTypeSpecifier() const; 1597bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth 1598bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth bool canDecayToPointerType() const; 1599ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 16008958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// hasPointerRepresentation - Whether this type is represented 16018958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// natively as a pointer; this includes pointers, references, block 16028958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// pointers, and Objective-C interface, qualified id, and qualified 16036e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl /// interface types, as well as nullptr_t. 16048958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar bool hasPointerRepresentation() const; 16058958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 1606820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// hasObjCPointerRepresentation - Whether this type can represent 1607820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// an objective pointer type for the purpose of GC'ability 16081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool hasObjCPointerRepresentation() const; 1609820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 1610f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an integer representation 1611f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an integer type or a vector. 1612f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasIntegerRepresentation() const; 1613f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1614f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an signed integer representation 1615f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an signed integer type or a vector. 1616f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasSignedIntegerRepresentation() const; 1617f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1618f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an unsigned integer representation 1619f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an unsigned integer type or a vector. 1620f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasUnsignedIntegerRepresentation() const; 1621f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 16228eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// \brief Determine whether this type has a floating-point representation 16238eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// of some sort, e.g., it is a floating-point type or a vector thereof. 16248eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor bool hasFloatingRepresentation() const; 1625f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1626c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Checking Functions: Check to see if this type is structurally the 1627f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // specified type, ignoring typedefs and qualifiers, and return a pointer to 1628f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // the best type we can. 1629769c9cfc6e06bd9d8ffe7a4397b939f19b0e4dc3Ted Kremenek const RecordType *getAsStructureType() const; 1630898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// NOTE: getAs*ArrayType are methods on ASTContext. 1631c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner const RecordType *getAsUnionType() const; 16324cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff const ComplexType *getAsComplexIntegerType() const; // GCC complex int type. 163314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // The following is a convenience method that returns an ObjCObjectPointerType 163414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for object declared using an interface. 163514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCInterfacePointerType() const; 163614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCQualifiedIdType() const; 1637759abb4d9ec14ae32104a9677b60f0542b60d1d8Fariborz Jahanian const ObjCObjectPointerType *getAsObjCQualifiedClassType() const; 1638c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getAsObjCQualifiedInterfaceType() const; 1639a91d6a6619a91d0ca7102d8ab5678d855f04d850Fariborz Jahanian const CXXRecordDecl *getCXXRecordDeclForPointerType() const; 16401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1641c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// \brief Retrieves the CXXRecordDecl that this type refers to, either 1642ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// because the type is a RecordType or because it is the injected-class-name 1643c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// type of a class template or class template partial specialization. 1644c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor CXXRecordDecl *getAsCXXRecordDecl() const; 164534b41d939a1328f484511c6002ba2456db879a29Richard Smith 164634b41d939a1328f484511c6002ba2456db879a29Richard Smith /// \brief Get the AutoType whose type will be deduced for a variable with 164734b41d939a1328f484511c6002ba2456db879a29Richard Smith /// an initializer of this type. This looks through declarators like pointer 164834b41d939a1328f484511c6002ba2456db879a29Richard Smith /// types, but not through decltype or typedefs. 164934b41d939a1328f484511c6002ba2456db879a29Richard Smith AutoType *getContainedAutoType() const; 1650ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1651d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// Member-template getAs<specific type>'. Look through sugar for 1652d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// an instance of <specific type>. This scheme will eventually 1653d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// replace the specific getAsXXXX methods above. 1654d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// 1655d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// There are some specializations of this member template listed 1656d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// immediately following this class. 16571a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek template <typename T> const T *getAs() const; 16581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// A variant of getAs<> for array types which silently discards 16603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// qualifiers from the outermost type. 16613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *getAsArrayTypeUnsafe() const; 16623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 1663d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// Member-template castAs<specific type>. Look through sugar for 1664d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// the underlying instance of <specific type>. 1665d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// 1666d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// This method has the same relationship to getAs<T> as cast<T> has 1667d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// to dyn_cast<T>; which is to say, the underlying type *must* 1668d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// have the intended type, and this method will never return null. 1669d0370f59e79702ac908c81bf556519f91e9ca297John McCall template <typename T> const T *castAs() const; 1670d0370f59e79702ac908c81bf556519f91e9ca297John McCall 1671d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// A variant of castAs<> for array type which silently discards 1672d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// qualifiers from the outermost type. 1673d0370f59e79702ac908c81bf556519f91e9ca297John McCall const ArrayType *castAsArrayTypeUnsafe() const; 1674d0370f59e79702ac908c81bf556519f91e9ca297John McCall 1675d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// getBaseElementTypeUnsafe - Get the base element type of this 1676d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// type, potentially discarding type qualifiers. This method 1677d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// should never be used when type qualifiers are meaningful. 1678d0370f59e79702ac908c81bf556519f91e9ca297John McCall const Type *getBaseElementTypeUnsafe() const; 1679d0370f59e79702ac908c81bf556519f91e9ca297John McCall 1680c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// getArrayElementTypeNoTypeQual - If this is an array type, return the 1681c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// element type of the array, potentially with type qualifiers missing. 1682c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// This method should never be used when type qualifiers are meaningful. 1683c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const Type *getArrayElementTypeNoTypeQual() const; 16841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1685f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// getPointeeType - If this is a pointer, ObjC object pointer, or block 1686f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// pointer, this returns the respective pointee. 168714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const; 16881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1689bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// getUnqualifiedDesugaredType() - Return the specified type with 1690bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// any "sugar" removed from the type, removing any typedefs, 1691bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// typeofs, etc., as well as any qualifiers. 1692bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall const Type *getUnqualifiedDesugaredType() const; 16931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// More type predicates useful for type checking/promotion 16955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPromotableIntegerType() const; // C99 6.3.1.1p2 16965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isSignedIntegerType - Return true if this is an integer type that is 1698d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// signed, according to C99 6.2.5p4 [char, signed char, short, int, long..], 16995f3827cabd526d0dd5f291d46c310103cebe7a44Eli Friedman /// or an enum decl which has a signed representation. 17005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSignedIntegerType() const; 17015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isUnsignedIntegerType - Return true if this is an integer type that is 1703ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// unsigned, according to C99 6.2.5p6 [which returns true for _Bool], 17045f3827cabd526d0dd5f291d46c310103cebe7a44Eli Friedman /// or an enum decl which has an unsigned representation. 17055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isUnsignedIntegerType() const; 1706d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner 1707ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// Determines whether this is an integer type that is signed or an 1708575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor /// enumeration types whose underlying type is a signed integer type. 1709575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor bool isSignedIntegerOrEnumerationType() const; 1710ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 1711ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// Determines whether this is an integer type that is unsigned or an 1712575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor /// enumeration types whose underlying type is a unsigned integer type. 1713575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor bool isUnsignedIntegerOrEnumerationType() const; 1714575a1c9dc8dc5b4977194993e289f9eda7295c39Douglas Gregor 17155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isConstantSizeType - Return true if this is not a variable sized type, 17169bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// according to the rules of C99 6.7.5p3. It is not legal to call this on 17179bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// incomplete types. 17183c2b3170041f69a92904e3bab9b6d654eaf260acEli Friedman bool isConstantSizeType() const; 1719c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 172022b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// isSpecifierType - Returns true if this type can be represented by some 172122b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// set of type specifiers. 172222b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman bool isSpecifierType() const; 172322b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman 17240b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor /// \brief Determine the linkage of this type. 172560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor Linkage getLinkage() const; 17261fb0caaa7bef765b85972274e3b434af2572c141John McCall 17271fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Determine the visibility of this type. 17281fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility getVisibility() const; 17291fb0caaa7bef765b85972274e3b434af2572c141John McCall 1730093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola /// \brief Return true if the visibility was explicitly set is the code. 1731093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola bool isVisibilityExplicit() const; 1732093ecc92afb70f6125d249eef31f40c0c57b7d24Rafael Espindola 17331fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Determine the linkage and visibility of this type. 17341fb0caaa7bef765b85972274e3b434af2572c141John McCall std::pair<Linkage,Visibility> getLinkageAndVisibility() const; 1735ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 173660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor /// \brief Note that the linkage is no longer known. 173760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor void ClearLinkageCache(); 1738ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 173960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor const char *getTypeClassName() const; 17400b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1741ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall QualType getCanonicalTypeInternal() const { 1742ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall return CanonicalType; 1743ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall } 1744ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall CanQualType getCanonicalTypeUnqualified() const; // in CanonicalType.h 1745b5f2c419842d016892b9c976d4d6e91880e0e43aArgyrios Kyrtzidis LLVM_ATTRIBUTE_USED void dump() const; 1746f85e193739c953358c865005855253af4f68a497John McCall 17475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *) { return true; } 1748be191100e034b23a3e13053757a57b7f5068c24aArgyrios Kyrtzidis 1749c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; 1750a4232eb646d89e7d52424bb42eb87d9061f39e63Sebastian Redl friend class ASTWriter; 17515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 17525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1753183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const TypedefType *Type::getAs() const { 1754183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall return dyn_cast<TypedefType>(this); 1755183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1756183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1757183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// We can do canonical leaf types faster, because we don't have to 1758183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// worry about preserving child type decoration. 1759183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define TYPE(Class, Base) 1760183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define LEAF_TYPE(Class) \ 1761183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const Class##Type *Type::getAs() const { \ 17620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return dyn_cast<Class##Type>(CanonicalType); \ 1763d0370f59e79702ac908c81bf556519f91e9ca297John McCall} \ 1764d0370f59e79702ac908c81bf556519f91e9ca297John McCalltemplate <> inline const Class##Type *Type::castAs() const { \ 1765d0370f59e79702ac908c81bf556519f91e9ca297John McCall return cast<Class##Type>(CanonicalType); \ 1766183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1767183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#include "clang/AST/TypeNodes.def" 1768183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1769183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 17705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BuiltinType - This class is used for builtin types like 'int'. Builtin 17715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types are always canonical and have a literal name field. 17725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BuiltinType : public Type { 17735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 17745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Kind { 1775e0a22d06888c13989b3f72db319f1d498bf69153John McCall#define BUILTIN_TYPE(Id, SingletonId) Id, 1776e0a22d06888c13989b3f72db319f1d498bf69153John McCall#define LAST_BUILTIN_TYPE(Id) LastKind = Id 1777e0a22d06888c13989b3f72db319f1d498bf69153John McCall#include "clang/AST/BuiltinTypes.def" 17785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 177971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 17805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 17811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BuiltinType(Kind K) 178235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(Builtin, QualType(), /*Dependent=*/(K == Dependent), 1783561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/(K == Dependent), 1784d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, 1785d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*Unexpanded paramter pack=*/false) { 1786b870b88df784c2940efce448ebfaf54dece14666John McCall BuiltinTypeBits.Kind = K; 178771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 17881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1789b870b88df784c2940efce448ebfaf54dece14666John McCall Kind getKind() const { return static_cast<Kind>(BuiltinTypeBits.Kind); } 179027a00970bf4ababdc115e54383e6252cc3276dfaArgyrios Kyrtzidis StringRef getName(const PrintingPolicy &Policy) const; 179127a00970bf4ababdc115e54383e6252cc3276dfaArgyrios Kyrtzidis const char *getNameAsCString(const PrintingPolicy &Policy) const { 179227a00970bf4ababdc115e54383e6252cc3276dfaArgyrios Kyrtzidis // The StringRef is null-terminated. 179327a00970bf4ababdc115e54383e6252cc3276dfaArgyrios Kyrtzidis StringRef str = getName(Policy); 179427a00970bf4ababdc115e54383e6252cc3276dfaArgyrios Kyrtzidis assert(!str.empty() && str.data()[str.size()] == '\0'); 179527a00970bf4ababdc115e54383e6252cc3276dfaArgyrios Kyrtzidis return str.data(); 179627a00970bf4ababdc115e54383e6252cc3276dfaArgyrios Kyrtzidis } 17971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1798bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1799bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1800bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1801680523a91dd3351389667c8de17121ba7ae82673John McCall bool isInteger() const { 180271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Bool && getKind() <= Int128; 1803680523a91dd3351389667c8de17121ba7ae82673John McCall } 1804680523a91dd3351389667c8de17121ba7ae82673John McCall 1805680523a91dd3351389667c8de17121ba7ae82673John McCall bool isSignedInteger() const { 180671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Char_S && getKind() <= Int128; 1807680523a91dd3351389667c8de17121ba7ae82673John McCall } 1808680523a91dd3351389667c8de17121ba7ae82673John McCall 1809680523a91dd3351389667c8de17121ba7ae82673John McCall bool isUnsignedInteger() const { 181071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Bool && getKind() <= UInt128; 1811680523a91dd3351389667c8de17121ba7ae82673John McCall } 1812680523a91dd3351389667c8de17121ba7ae82673John McCall 1813680523a91dd3351389667c8de17121ba7ae82673John McCall bool isFloatingPoint() const { 1814aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov return getKind() >= Half && getKind() <= LongDouble; 1815680523a91dd3351389667c8de17121ba7ae82673John McCall } 1816680523a91dd3351389667c8de17121ba7ae82673John McCall 181785def357129b6cdfd69a66ad0e6994506418a2a9John McCall /// Determines whether the given kind corresponds to a placeholder type. 181885def357129b6cdfd69a66ad0e6994506418a2a9John McCall static bool isPlaceholderTypeKind(Kind K) { 181985def357129b6cdfd69a66ad0e6994506418a2a9John McCall return K >= Overload; 182085def357129b6cdfd69a66ad0e6994506418a2a9John McCall } 182185def357129b6cdfd69a66ad0e6994506418a2a9John McCall 1822864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// Determines whether this type is a placeholder type, i.e. a type 1823864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// which cannot appear in arbitrary positions in a fully-formed 1824864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall /// expression. 18252a984cad5ac3fdceeff2bd99daa7b90979313475John McCall bool isPlaceholderType() const { 182685def357129b6cdfd69a66ad0e6994506418a2a9John McCall return isPlaceholderTypeKind(getKind()); 18272a984cad5ac3fdceeff2bd99daa7b90979313475John McCall } 18282a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 182932509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall /// Determines whether this type is a placeholder type other than 183032509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall /// Overload. Most placeholder types require only syntactic 183132509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall /// information about their context in order to be resolved (e.g. 183232509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall /// whether it is a call expression), which means they can (and 183332509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall /// should) be resolved in an earlier "phase" of analysis. 183432509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall /// Overload expressions sometimes pick up further information 183532509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall /// from their context, like whether the context expects a 183632509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall /// specific function-pointer type, and so frequently need 183732509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall /// special treatment. 183832509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall bool isNonOverloadPlaceholderType() const { 183932509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall return getKind() > Overload; 184032509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall } 184132509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall 18425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Builtin; } 18435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BuiltinType *) { return true; } 18445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 18455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ComplexType - C99 6.2.5p11 - Complex values. This supports the C99 complex 18475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types (_Complex float etc) as well as the GCC integer complex extensions. 18485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 18495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ComplexType : public Type, public llvm::FoldingSetNode { 18505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 18515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType(QualType Element, QualType CanonicalPtr) : 185235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Complex, CanonicalPtr, Element->isDependentType(), 1853561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Element->isInstantiationDependentType(), 1854d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Element->isVariablyModifiedType(), 1855d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Element->containsUnexpandedParameterPack()), 1856898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ElementType(Element) { 18575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 185960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 18605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 18615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 18621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1863bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1864bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1865bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 18665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 18675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getElementType()); 18685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Element) { 18705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Element.getAsOpaquePtr()); 18715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Complex; } 18745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ComplexType *) { return true; } 18755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 18765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1877075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara/// ParenType - Sugar for parentheses used when specifying types. 1878075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara/// 1879075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnaraclass ParenType : public Type, public llvm::FoldingSetNode { 1880075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType Inner; 1881075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1882075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType(QualType InnerType, QualType CanonType) : 1883075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Type(Paren, CanonType, InnerType->isDependentType(), 1884561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor InnerType->isInstantiationDependentType(), 1885d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor InnerType->isVariablyModifiedType(), 1886d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor InnerType->containsUnexpandedParameterPack()), 1887075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Inner(InnerType) { 1888075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1889075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara friend class ASTContext; // ASTContext creates these. 1890075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1891075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnarapublic: 1892075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1893075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType getInnerType() const { return Inner; } 1894075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1895075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara bool isSugared() const { return true; } 1896075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType desugar() const { return getInnerType(); } 1897075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1898075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara void Profile(llvm::FoldingSetNodeID &ID) { 1899075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Profile(ID, getInnerType()); 1900075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1901075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static void Profile(llvm::FoldingSetNodeID &ID, QualType Inner) { 1902075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Inner.Profile(ID); 1903075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1904075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1905075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static bool classof(const Type *T) { return T->getTypeClass() == Paren; } 1906075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static bool classof(const ParenType *) { return true; } 1907075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara}; 1908075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 190968694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar/// PointerType - C99 6.7.5.1 - Pointer Declarators. 1910bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner/// 191168694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass PointerType : public Type, public llvm::FoldingSetNode { 1912bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner QualType PointeeType; 19135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType(QualType Pointee, QualType CanonicalPtr) : 191535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Pointer, CanonicalPtr, Pointee->isDependentType(), 1916561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Pointee->isInstantiationDependentType(), 1917d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->isVariablyModifiedType(), 1918ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Pointee->containsUnexpandedParameterPack()), 191935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor PointeeType(Pointee) { 19205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 192260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 19235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 19241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 192568694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType getPointeeType() const { return PointeeType; } 192668694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 1927bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1928bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1929bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 19305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 19315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getPointeeType()); 19325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 19345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Pointee.getAsOpaquePtr()); 19355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Pointer; } 19385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const PointerType *) { return true; } 19395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 19405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19415618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// BlockPointerType - pointer to a block type. 19425618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// This type is to represent types syntactically represented as 19435618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// "void (^)(int)", etc. Pointee is required to always be a function type. 19445618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// 19455618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffclass BlockPointerType : public Type, public llvm::FoldingSetNode { 19465618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType PointeeType; // Block is some kind of pointer type 19475618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType(QualType Pointee, QualType CanonicalCls) : 194835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(BlockPointer, CanonicalCls, Pointee->isDependentType(), 1949561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Pointee->isInstantiationDependentType(), 1950d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->isVariablyModifiedType(), 1951d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->containsUnexpandedParameterPack()), 1952898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor PointeeType(Pointee) { 19535618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 19545618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff friend class ASTContext; // ASTContext creates these. 1955ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 19565618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffpublic: 19571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19585618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the pointee type. Pointee is required to always be a function type. 19595618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getPointeeType() const { return PointeeType; } 19605618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 1961bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1962bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1963bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 19645618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 19655618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Profile(ID, getPointeeType()); 19665618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 19675618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 19685618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff ID.AddPointer(Pointee.getAsOpaquePtr()); 19695618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 19701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 19721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == BlockPointer; 19735618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 19745618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static bool classof(const BlockPointerType *) { return true; } 19755618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff}; 19765618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 19777c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// ReferenceType - Base for LValueReferenceType and RValueReferenceType 19785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 197968694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass ReferenceType : public Type, public llvm::FoldingSetNode { 198068694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType PointeeType; 198168694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 19827c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlprotected: 198354e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(TypeClass tc, QualType Referencee, QualType CanonicalRef, 198454e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 198535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(tc, CanonicalRef, Referencee->isDependentType(), 1986561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Referencee->isInstantiationDependentType(), 1987d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Referencee->isVariablyModifiedType(), 1988ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Referencee->containsUnexpandedParameterPack()), 1989ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie PointeeType(Referencee) 1990d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor { 1991b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBits.SpelledAsLValue = SpelledAsLValue; 1992b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBits.InnerRef = Referencee->isReferenceType(); 19935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1994ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 19955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1996b870b88df784c2940efce448ebfaf54dece14666John McCall bool isSpelledAsLValue() const { return ReferenceTypeBits.SpelledAsLValue; } 1997b870b88df784c2940efce448ebfaf54dece14666John McCall bool isInnerRef() const { return ReferenceTypeBits.InnerRef; } 1998ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 199954e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeTypeAsWritten() const { return PointeeType; } 200054e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeType() const { 200154e14c4db764c0636160d26c5bbf491637c83a76John McCall // FIXME: this might strip inner qualifiers; okay? 200254e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *T = this; 200371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall while (T->isInnerRef()) 2004d0370f59e79702ac908c81bf556519f91e9ca297John McCall T = T->PointeeType->castAs<ReferenceType>(); 200554e14c4db764c0636160d26c5bbf491637c83a76John McCall return T->PointeeType; 200654e14c4db764c0636160d26c5bbf491637c83a76John McCall } 200768694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 20085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 200971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Profile(ID, PointeeType, isSpelledAsLValue()); 20105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 201154e14c4db764c0636160d26c5bbf491637c83a76John McCall static void Profile(llvm::FoldingSetNodeID &ID, 201254e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Referencee, 201354e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) { 20145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Referencee.getAsOpaquePtr()); 201554e14c4db764c0636160d26c5bbf491637c83a76John McCall ID.AddBoolean(SpelledAsLValue); 20165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 20175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20187c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 20197c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference || 20207c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl T->getTypeClass() == RValueReference; 20217c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 20225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReferenceType *) { return true; } 20237c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 20247c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 20257c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// LValueReferenceType - C++ [dcl.ref] - Lvalue reference 20267c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 20277c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass LValueReferenceType : public ReferenceType { 202854e14c4db764c0636160d26c5bbf491637c83a76John McCall LValueReferenceType(QualType Referencee, QualType CanonicalRef, 202954e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 203054e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(LValueReference, Referencee, CanonicalRef, SpelledAsLValue) 203154e14c4db764c0636160d26c5bbf491637c83a76John McCall {} 20327c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 20337c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 2034bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2035bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2036bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 20377c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 20387c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference; 20397c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 20407c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const LValueReferenceType *) { return true; } 20417c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 20427c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 20437c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// RValueReferenceType - C++0x [dcl.ref] - Rvalue reference 20447c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 20457c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass RValueReferenceType : public ReferenceType { 20467c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType(QualType Referencee, QualType CanonicalRef) : 204754e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(RValueReference, Referencee, CanonicalRef, false) { 20487c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 20497c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 20507c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 2051bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2052bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2053bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 20547c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 20557c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == RValueReference; 20567c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 20577c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const RValueReferenceType *) { return true; } 2058f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl}; 2059f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 2060f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// MemberPointerType - C++ 8.3.3 - Pointers to members 2061f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// 2062f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlclass MemberPointerType : public Type, public llvm::FoldingSetNode { 2063f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType PointeeType; 2064f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// The class of which the pointee is a member. Must ultimately be a 2065f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// RecordType, but could be a typedef or a template parameter too. 2066f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class; 2067f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 2068f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType(QualType Pointee, const Type *Cls, QualType CanonicalPtr) : 2069f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Type(MemberPointer, CanonicalPtr, 207035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Cls->isDependentType() || Pointee->isDependentType(), 2071ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie (Cls->isInstantiationDependentType() || 2072561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Pointee->isInstantiationDependentType()), 2073d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->isVariablyModifiedType(), 2074ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie (Cls->containsUnexpandedParameterPack() || 2075d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->containsUnexpandedParameterPack())), 2076f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl PointeeType(Pointee), Class(Cls) { 2077f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 2078f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl friend class ASTContext; // ASTContext creates these. 2079ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2080f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlpublic: 2081f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getPointeeType() const { return PointeeType; } 2082f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 20830bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Returns true if the member type (i.e. the pointee type) is a 20840bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// function type rather than a data-member type. 20850bab0cdab751248ca389a5592bcb70eac5d39260John McCall bool isMemberFunctionPointer() const { 20860bab0cdab751248ca389a5592bcb70eac5d39260John McCall return PointeeType->isFunctionProtoType(); 20870bab0cdab751248ca389a5592bcb70eac5d39260John McCall } 20880bab0cdab751248ca389a5592bcb70eac5d39260John McCall 20890bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Returns true if the member type (i.e. the pointee type) is a 20900bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// data type rather than a function type. 20910bab0cdab751248ca389a5592bcb70eac5d39260John McCall bool isMemberDataPointer() const { 20920bab0cdab751248ca389a5592bcb70eac5d39260John McCall return !PointeeType->isFunctionProtoType(); 20930bab0cdab751248ca389a5592bcb70eac5d39260John McCall } 20940bab0cdab751248ca389a5592bcb70eac5d39260John McCall 2095f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *getClass() const { return Class; } 2096f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 2097bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2098bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2099bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2100f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void Profile(llvm::FoldingSetNodeID &ID) { 2101f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Profile(ID, getPointeeType(), getClass()); 2102f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 2103f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee, 2104f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class) { 2105f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Pointee.getAsOpaquePtr()); 2106f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Class); 2107f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 2108f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 2109f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const Type *T) { 2110f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return T->getTypeClass() == MemberPointer; 2111f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 2112f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const MemberPointerType *) { return true; } 21135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 21145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 21155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArrayType - C99 6.7.5.2 - Array Declarators. 21165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 21172e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ArrayType : public Type, public llvm::FoldingSetNode { 21185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 21195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ArraySizeModifier - Capture whether this is a normal array (e.g. int X[4]) 2120898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// an array with a static size (e.g. int X[static 4]), or an array 2121898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// with a star size (e.g. int X[*]). 2122898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// 'static' is only allowed on function parameters. 21235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum ArraySizeModifier { 21245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Normal, Static, Star 21255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 21265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 2127fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff /// ElementType - The element type of the array. 2128fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType ElementType; 21291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2130fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffprotected: 2131898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // C++ [temp.dep.type]p1: 2132898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // A type is dependent if it is... 2133898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // - an array type constructed from any dependent type or whose 2134898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // size is specified by a constant expression that is 2135898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // value-dependent, 2136c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType(TypeClass tc, QualType et, QualType can, 2137d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ArraySizeModifier sm, unsigned tq, 2138d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool ContainsUnexpandedParameterPack) 213935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(tc, can, et->isDependentType() || tc == DependentSizedArray, 2140561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor et->isInstantiationDependentType() || tc == DependentSizedArray, 2141d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor (tc == VariableArray || et->isVariablyModifiedType()), 2142d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ContainsUnexpandedParameterPack), 214371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ElementType(et) { 2144b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBits.IndexTypeQuals = tq; 2145b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBits.SizeModifier = sm; 214671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2147898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2148fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 214960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 2150fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 2151fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType getElementType() const { return ElementType; } 2152ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek ArraySizeModifier getSizeModifier() const { 2153b870b88df784c2940efce448ebfaf54dece14666John McCall return ArraySizeModifier(ArrayTypeBits.SizeModifier); 2154ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek } 21550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getIndexTypeQualifiers() const { 215671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Qualifiers::fromCVRMask(getIndexTypeCVRQualifiers()); 215771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 215871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall unsigned getIndexTypeCVRQualifiers() const { 2159b870b88df784c2940efce448ebfaf54dece14666John McCall return ArrayTypeBits.IndexTypeQuals; 21600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 21611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2162fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const Type *T) { 2163fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff return T->getTypeClass() == ConstantArray || 2164c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman T->getTypeClass() == VariableArray || 2165898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == IncompleteArray || 2166898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == DependentSizedArray; 2167fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 2168fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ArrayType *) { return true; } 2169fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 2170fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 21717e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// ConstantArrayType - This class represents the canonical version of 21727e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// C arrays with a specified constant size. For example, the canonical 21737e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type for 'int A[4 + 4*100]' is a ConstantArrayType where the element 21747e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type is 'int' and the size is 404. 21752e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ConstantArrayType : public ArrayType { 2176fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff llvm::APInt Size; // Allows us to unique the type. 21771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21780be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType(QualType et, QualType can, const llvm::APInt &size, 2179c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArraySizeModifier sm, unsigned tq) 2180d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(ConstantArray, et, can, sm, tq, 2181d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor et->containsUnexpandedParameterPack()), 21827e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Size(size) {} 21837e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregorprotected: 21847e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ConstantArrayType(TypeClass tc, QualType et, QualType can, 21857e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor const llvm::APInt &size, ArraySizeModifier sm, unsigned tq) 2186ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : ArrayType(tc, et, can, sm, tq, et->containsUnexpandedParameterPack()), 2187d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Size(size) {} 2188fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 2189fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 2190c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const llvm::APInt &getSize() const { return Size; } 2191bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2192bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2193bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2194ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 21952767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the number of bits required to address a member of 21962767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor // an array with the given element type and number of elements. 21972767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getNumAddressingBits(ASTContext &Context, 21982767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor QualType ElementType, 21992767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor const llvm::APInt &NumElements); 2200ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 22012767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the maximum number of active bits that an array's size 22022767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// can require, which limits the maximum size of the array. 22032767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getMaxSizeBits(ASTContext &Context); 2204ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2205fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 22061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, getElementType(), getSize(), 22070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers()); 2208fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 2209fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 22100be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner const llvm::APInt &ArraySize, ArraySizeModifier SizeMod, 22110be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner unsigned TypeQuals) { 2212fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddPointer(ET.getAsOpaquePtr()); 2213fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddInteger(ArraySize.getZExtValue()); 22140be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 22150be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 2216fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 22177e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor static bool classof(const Type *T) { 221846a617a792bfab0d9b1e057371ea3b9540802226John McCall return T->getTypeClass() == ConstantArray; 2219fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 2220fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ConstantArrayType *) { return true; } 2221fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 2222fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 2223da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// IncompleteArrayType - This class represents C arrays with an unspecified 2224da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// size. For example 'int A[]' has an IncompleteArrayType where the element 2225da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// type is 'int' and the size is unspecified. 2226c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanclass IncompleteArrayType : public ArrayType { 22277e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 2228c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType(QualType et, QualType can, 22297e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq) 2230ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : ArrayType(IncompleteArray, et, can, sm, tq, 2231d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor et->containsUnexpandedParameterPack()) {} 2232c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class ASTContext; // ASTContext creates these. 2233c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanpublic: 2234bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2235bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2236bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 22371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 22381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == IncompleteArray; 2239c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 2240c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman static bool classof(const IncompleteArrayType *) { return true; } 22411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2242c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class StmtIteratorBase; 22431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2244c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void Profile(llvm::FoldingSetNodeID &ID) { 22450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Profile(ID, getElementType(), getSizeModifier(), 22460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getIndexTypeCVRQualifiers()); 2247c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 22481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22490be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 22500be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ArraySizeModifier SizeMod, unsigned TypeQuals) { 2251c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ID.AddPointer(ET.getAsOpaquePtr()); 22520be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 22530be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 2254c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 2255c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman}; 2256c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 2257da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// VariableArrayType - This class represents C arrays with a specified size 2258da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// which is not an integer-constant-expression. For example, 'int s[x+foo()]'. 2259da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Since the size expression is an arbitrary expression, we store it as such. 2260da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 2261da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Note: VariableArrayType's aren't uniqued (since the expressions aren't) and 2262da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// should not be: two lexically equivalent variable array types could mean 2263da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// different things, for example, these variables do not have the same type 2264da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// dynamically: 2265da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 2266da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// void foo(int x) { 2267da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Y[x]; 2268da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// ++x; 2269da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Z[x]; 2270da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// } 2271da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 22722e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass VariableArrayType : public ArrayType { 22731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// SizeExpr - An assignment expression. VLA's are only permitted within 22741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// a function block. 2275b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek Stmt *SizeExpr; 22767e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 22777e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 22787e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 2279c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff VariableArrayType(QualType et, QualType can, Expr *e, 22807e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq, 22817e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange brackets) 2282ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : ArrayType(VariableArray, et, can, sm, tq, 2283d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor et->containsUnexpandedParameterPack()), 22847e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SizeExpr((Stmt*) e), Brackets(brackets) {} 22855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 22864b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 22875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 22881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 2289b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // We use C-style casts instead of cast<> here because we do not wish 2290b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // to have a dependency of Type.h on Stmt.h/Expr.h. 2291b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek return (Expr*) SizeExpr; 2292b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek } 22937e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 22947e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 22957e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 22961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2297bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2298bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2299bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 23001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 23011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == VariableArray; 23025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2303fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const VariableArrayType *) { return true; } 23041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 230592866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek friend class StmtIteratorBase; 23061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23072bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) { 2308b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Cannot unique VariableArrayTypes."); 23092bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 23105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 23115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2312898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// DependentSizedArrayType - This type represents an array type in 2313898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// C++ whose size is a value-dependent expression. For example: 2314cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 2315cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \code 23161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// template<typename T, int Size> 2317898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// class array { 2318898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// T data[Size]; 2319898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// }; 2320cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \endcode 2321cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 2322898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// For these types, we won't actually know what the array bound is 2323898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// until template instantiation occurs, at which point this will 2324898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// become either a ConstantArrayType or a VariableArrayType. 2325898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorclass DependentSizedArrayType : public ArrayType { 23264ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 23271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2328cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// \brief An assignment expression that will instantiate to the 2329898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// size of the array. 2330cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// 2331cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// The expression itself might be NULL, in which case the array 2332cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// type will have its size deduced from an initializer. 2333898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Stmt *SizeExpr; 2334cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 23357e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 23367e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 23371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23384ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentSizedArrayType(const ASTContext &Context, QualType et, QualType can, 233904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor Expr *e, ArraySizeModifier sm, unsigned tq, 2340d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor SourceRange brackets); 2341d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2342898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class ASTContext; // ASTContext creates these. 2343898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2344898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorpublic: 23451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 2346898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // We use C-style casts instead of cast<> here because we do not wish 2347898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // to have a dependency of Type.h on Stmt.h/Expr.h. 2348898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return (Expr*) SizeExpr; 2349898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 23507e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 23517e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 23527e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 23531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2354bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2355bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2356bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 23571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 23581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedArray; 2359898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 2360898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool classof(const DependentSizedArrayType *) { return true; } 23611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2362898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class StmtIteratorBase; 23631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2365898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 23661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, Context, getElementType(), 23670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers(), getSizeExpr()); 2368898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 23691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23704ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 23711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType ET, ArraySizeModifier SizeMod, 237204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor unsigned TypeQuals, Expr *E); 2373898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor}; 2374898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2375f6ddb737cb882ffbf0b75a9abd50b930cc2b9068Douglas Gregor/// DependentSizedExtVectorType - This type represent an extended vector type 23769cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// where either the type or size is dependent. For example: 23779cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @code 23789cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// template<typename T, int Size> 23799cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// class vector { 23809cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// typedef T __attribute__((ext_vector_type(Size))) type; 23819cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// } 23829cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @endcode 23832ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregorclass DependentSizedExtVectorType : public Type, public llvm::FoldingSetNode { 23844ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 23859cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr; 23869cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// ElementType - The element type of the array. 23879cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType ElementType; 23889cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation loc; 23891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23904ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentSizedExtVectorType(const ASTContext &Context, QualType ElementType, 2391d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor QualType can, Expr *SizeExpr, SourceLocation loc); 2392d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 23939cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor friend class ASTContext; 23949cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 23959cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregorpublic: 23962ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Expr *getSizeExpr() const { return SizeExpr; } 23979cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType getElementType() const { return ElementType; } 23989cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation getAttributeLoc() const { return loc; } 23999cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 2400bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2401bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2402bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 24031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 24041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedExtVector; 24059cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor } 24061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const DependentSizedExtVectorType *) { return true; } 24072ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor 24082ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 24092ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Profile(ID, Context, getElementType(), getSizeExpr()); 24102ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 24111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24124ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 24132ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType ElementType, Expr *SizeExpr); 24149cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor}; 24151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24169cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 241773322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// VectorType - GCC generic vector type. This type is created using 24181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// __attribute__((vector_size(n)), where "n" specifies the vector size in 241982287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// bytes; or from an Altivec __vector or vector declaration. 242082287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// Since the constructor takes the number of vector elements, the 242173322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// client is responsible for converting the size into the number of elements. 24225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass VectorType : public Type, public llvm::FoldingSetNode { 2423788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattnerpublic: 2424e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson enum VectorKind { 2425e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson GenericVector, // not a target-specific vector type 2426e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecVector, // is AltiVec vector 2427e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecPixel, // is AltiVec 'vector Pixel' 2428e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecBool, // is AltiVec 'vector bool ...' 2429491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson NeonVector, // is ARM Neon vector 2430491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson NeonPolyVector // is ARM Neon polynomial vector 2431788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner }; 243273322924127c873c13101b705dd823f5539ffa5fSteve Naroffprotected: 24335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ElementType - The element type of the vector. 24345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 24351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 243682287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType(QualType vecType, unsigned nElements, QualType canonType, 2437d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor VectorKind vecKind); 2438ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 24391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump VectorType(TypeClass tc, QualType vecType, unsigned nElements, 2440d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor QualType canonType, VectorKind vecKind); 2441d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 24425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 2443ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 24445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 24451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 2447b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getNumElements() const { return VectorTypeBits.NumElements; } 24485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2449bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2450bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2451bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2452e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorKind getVectorKind() const { 2453e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson return VectorKind(VectorTypeBits.VecKind); 245471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2455788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 24565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 245771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Profile(ID, getElementType(), getNumElements(), 2458e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson getTypeClass(), getVectorKind()); 24595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 24601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ElementType, 246182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson unsigned NumElements, TypeClass TypeClass, 2462e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorKind VecKind) { 24635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ElementType.getAsOpaquePtr()); 24645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddInteger(NumElements); 246573322924127c873c13101b705dd823f5539ffa5fSteve Naroff ID.AddInteger(TypeClass); 2466e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson ID.AddInteger(VecKind); 246773322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 24680b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 24691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 24701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == Vector || T->getTypeClass() == ExtVector; 24715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 24725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const VectorType *) { return true; } 24735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 24745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2475213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// ExtVectorType - Extended vector type. This type is created using 2476213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// __attribute__((ext_vector_type(n)), where "n" is the number of elements. 2477213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// Unlike vector_size, ext_vector_type is only allowed on typedef's. This 2478fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// class enables syntactic extensions, like Vector Components for accessing 2479fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// points, colors, and textures (modeled after OpenGL Shading Language). 2480213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemanclass ExtVectorType : public VectorType { 2481213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman ExtVectorType(QualType vecType, unsigned nElements, QualType canonType) : 2482e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType(ExtVector, vecType, nElements, canonType, GenericVector) {} 248373322924127c873c13101b705dd823f5539ffa5fSteve Naroff friend class ASTContext; // ASTContext creates these. 248473322924127c873c13101b705dd823f5539ffa5fSteve Naroffpublic: 248588dca0464804b8b26ae605f89784c927e8493dddChris Lattner static int getPointAccessorIdx(char c) { 248688dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 248788dca0464804b8b26ae605f89784c927e8493dddChris Lattner default: return -1; 248888dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'x': return 0; 248988dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'y': return 1; 249088dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'z': return 2; 249188dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'w': return 3; 249288dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 2493e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 2494353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman static int getNumericAccessorIdx(char c) { 249588dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 2496353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman default: return -1; 2497353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '0': return 0; 2498353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '1': return 1; 2499353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '2': return 2; 2500353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '3': return 3; 2501353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '4': return 4; 2502353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '5': return 5; 2503353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '6': return 6; 2504353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '7': return 7; 2505353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '8': return 8; 2506353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '9': return 9; 2507131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'A': 2508353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'a': return 10; 2509131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'B': 2510353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'b': return 11; 2511131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'C': 2512353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'c': return 12; 2513131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'D': 2514353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'd': return 13; 2515131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'E': 2516353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'e': return 14; 2517131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'F': 2518353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'f': return 15; 251988dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 2520e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 25211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2522b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner static int getAccessorIdx(char c) { 2523b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getPointAccessorIdx(c)+1) return idx-1; 2524353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman return getNumericAccessorIdx(c); 2525b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner } 25261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 252788dca0464804b8b26ae605f89784c927e8493dddChris Lattner bool isAccessorWithinNumElements(char c) const { 2528b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getAccessorIdx(c)+1) 252971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return unsigned(idx-1) < getNumElements(); 253088dca0464804b8b26ae605f89784c927e8493dddChris Lattner return false; 2531e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 2532bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2533bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2534bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 25351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 25361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ExtVector; 253773322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 2538213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman static bool classof(const ExtVectorType *) { return true; } 253973322924127c873c13101b705dd823f5539ffa5fSteve Naroff}; 254073322924127c873c13101b705dd823f5539ffa5fSteve Naroff 25415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// FunctionType - C99 6.7.5.3 - Function Declarators. This is the common base 254272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// class of FunctionNoProtoType and FunctionProtoType. 25435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 25445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FunctionType : public Type { 25455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // The type returned by the function. 25465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ResultType; 2547264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2548264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 2549373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// ExtInfo - A class which abstracts out some details necessary for 2550373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// making a call. 2551373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// 2552373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// It is not actually used directly for storing this information in 2553373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// a FunctionType, although FunctionType does currently use the 2554373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// same bit-pattern. 2555373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// 2556075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // If you add a field (say Foo), other than the obvious places (both, 2557075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // constructors, compile failures), what you need to update is 2558075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // * Operator== 2559425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * getFoo 2560425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * withFoo 2561425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * functionType. Add Foo, getFoo. 2562425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::getFooType 2563425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::mergeFunctionTypes 2564425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionNoProtoType::Profile 2565425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionProtoType::Profile 2566425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * TypePrinter::PrintFunctionProto 25673c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // * AST read and write 2568425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * Codegen 2569264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola class ExtInfo { 25707e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor // Feel free to rearrange or add bits, but if you go over 8, 2571373920bd733b1d28fe7bf209945a62eb9248d948John McCall // you'll need to adjust both the Bits field below and 2572373920bd733b1d28fe7bf209945a62eb9248d948John McCall // Type::FunctionTypeBitfields. 2573373920bd733b1d28fe7bf209945a62eb9248d948John McCall 25747e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor // | CC |noreturn|produces|regparm| 25757e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor // |0 .. 2| 3 | 4 | 5 .. 7| 25767e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor // 25777e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor // regparm is either 0 (no regparm attribute) or the regparm value+1. 2578b870b88df784c2940efce448ebfaf54dece14666John McCall enum { CallConvMask = 0x7 }; 2579b870b88df784c2940efce448ebfaf54dece14666John McCall enum { NoReturnMask = 0x8 }; 2580f85e193739c953358c865005855253af4f68a497John McCall enum { ProducesResultMask = 0x10 }; 2581f85e193739c953358c865005855253af4f68a497John McCall enum { RegParmMask = ~(CallConvMask | NoReturnMask | ProducesResultMask), 25827e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor RegParmOffset = 5 }; // Assumed to be the last field 2583b870b88df784c2940efce448ebfaf54dece14666John McCall 2584f85e193739c953358c865005855253af4f68a497John McCall uint16_t Bits; 258571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 2586f85e193739c953358c865005855253af4f68a497John McCall ExtInfo(unsigned Bits) : Bits(static_cast<uint16_t>(Bits)) {} 258771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 258871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall friend class FunctionType; 258971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 2590264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 2591264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with no defaults. Use this when you know that you 25923c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // have all the elements (when reading an AST file for example). 2593f85e193739c953358c865005855253af4f68a497John McCall ExtInfo(bool noReturn, bool hasRegParm, unsigned regParm, CallingConv cc, 2594f85e193739c953358c865005855253af4f68a497John McCall bool producesResult) { 25957e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor assert((!hasRegParm || regParm < 7) && "Invalid regparm value"); 2596b870b88df784c2940efce448ebfaf54dece14666John McCall Bits = ((unsigned) cc) | 2597b870b88df784c2940efce448ebfaf54dece14666John McCall (noReturn ? NoReturnMask : 0) | 2598f85e193739c953358c865005855253af4f68a497John McCall (producesResult ? ProducesResultMask : 0) | 25997e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor (hasRegParm ? ((regParm + 1) << RegParmOffset) : 0); 260071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2601264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2602264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with all defaults. Use when for example creating a 2603264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // function know to use defaults. 260471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo() : Bits(0) {} 2605264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2606b870b88df784c2940efce448ebfaf54dece14666John McCall bool getNoReturn() const { return Bits & NoReturnMask; } 2607f85e193739c953358c865005855253af4f68a497John McCall bool getProducesResult() const { return Bits & ProducesResultMask; } 26087e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor bool getHasRegParm() const { return (Bits >> RegParmOffset) != 0; } 2609ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie unsigned getRegParm() const { 26107e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor unsigned RegParm = Bits >> RegParmOffset; 26117e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor if (RegParm > 0) 26127e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor --RegParm; 26137e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor return RegParm; 26147e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor } 2615b870b88df784c2940efce448ebfaf54dece14666John McCall CallingConv getCC() const { return CallingConv(Bits & CallConvMask); } 2616264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 261771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool operator==(ExtInfo Other) const { 261871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Bits == Other.Bits; 2619264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 262071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool operator!=(ExtInfo Other) const { 262171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Bits != Other.Bits; 2622264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2623264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2624264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Note that we don't have setters. That is by design, use 2625264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // the following with methods instead of mutating these objects. 2626264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2627264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withNoReturn(bool noReturn) const { 262871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall if (noReturn) 262971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return ExtInfo(Bits | NoReturnMask); 263071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall else 263171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return ExtInfo(Bits & ~NoReturnMask); 2632425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola } 2633425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 2634f85e193739c953358c865005855253af4f68a497John McCall ExtInfo withProducesResult(bool producesResult) const { 2635f85e193739c953358c865005855253af4f68a497John McCall if (producesResult) 2636f85e193739c953358c865005855253af4f68a497John McCall return ExtInfo(Bits | ProducesResultMask); 2637f85e193739c953358c865005855253af4f68a497John McCall else 2638f85e193739c953358c865005855253af4f68a497John McCall return ExtInfo(Bits & ~ProducesResultMask); 2639f85e193739c953358c865005855253af4f68a497John McCall } 2640f85e193739c953358c865005855253af4f68a497John McCall 2641425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola ExtInfo withRegParm(unsigned RegParm) const { 26427e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor assert(RegParm < 7 && "Invalid regparm value"); 2643f85e193739c953358c865005855253af4f68a497John McCall return ExtInfo((Bits & ~RegParmMask) | 26447e47e1e7e6a2b83d903c97129f27e92f584c3dc2Douglas Gregor ((RegParm + 1) << RegParmOffset)); 2645264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2646264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2647264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withCallingConv(CallingConv cc) const { 2648b870b88df784c2940efce448ebfaf54dece14666John McCall return ExtInfo((Bits & ~CallConvMask) | (unsigned) cc); 2649264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2650264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2651e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall void Profile(llvm::FoldingSetNodeID &ID) const { 265271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ID.AddInteger(Bits); 265371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2654264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola }; 2655264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 26565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 2657eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith FunctionType(TypeClass tc, QualType res, 2658c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor unsigned typeQuals, RefQualifierKind RefQualifier, 2659c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor QualType Canonical, bool Dependent, 2660561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool InstantiationDependent, 2661ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie bool VariablyModified, bool ContainsUnexpandedParameterPack, 2662d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ExtInfo Info) 2663ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Type(tc, Canonical, Dependent, InstantiationDependent, VariablyModified, 2664ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ContainsUnexpandedParameterPack), 2665d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ResultType(res) { 2666b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.ExtInfo = Info.Bits; 2667b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.TypeQuals = typeQuals; 2668c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor FunctionTypeBits.RefQualifier = static_cast<unsigned>(RefQualifier); 266971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2670b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getTypeQuals() const { return FunctionTypeBits.TypeQuals; } 2671ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2672c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RefQualifierKind getRefQualifier() const { 2673c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor return static_cast<RefQualifierKind>(FunctionTypeBits.RefQualifier); 2674c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor } 2675c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 26765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 26771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getResultType() const { return ResultType; } 2679a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman 2680a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman bool getHasRegParm() const { return getExtInfo().getHasRegParm(); } 2681b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getRegParmType() const { return getExtInfo().getRegParm(); } 2682b870b88df784c2940efce448ebfaf54dece14666John McCall bool getNoReturnAttr() const { return getExtInfo().getNoReturn(); } 2683b870b88df784c2940efce448ebfaf54dece14666John McCall CallingConv getCallConv() const { return getExtInfo().getCC(); } 2684b870b88df784c2940efce448ebfaf54dece14666John McCall ExtInfo getExtInfo() const { return ExtInfo(FunctionTypeBits.ExtInfo); } 26855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 26865291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// \brief Determine the type of an expression that calls a function of 26875291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// this type. 2688ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie QualType getCallResultType(ASTContext &Context) const { 26896398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor return getResultType().getNonLValueExprType(Context); 26905291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor } 26915291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 2692686775deca8b8685eb90801495880e3abdd844c2Chris Lattner static StringRef getNameForCallConv(CallingConv CC); 269304a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 26945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 26955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto || 26965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer T->getTypeClass() == FunctionProto; 26975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 26985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FunctionType *) { return true; } 26995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 27005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 270172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionNoProtoType - Represents a K&R-style 'int foo()' function, which has 27025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// no information available about its arguments. 270372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionNoProtoType : public FunctionType, public llvm::FoldingSetNode { 270471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall FunctionNoProtoType(QualType Result, QualType Canonical, ExtInfo Info) 2705eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith : FunctionType(FunctionNoProto, Result, 0, RQ_None, Canonical, 2706561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*Dependent=*/false, /*InstantiationDependent=*/false, 2707ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Result->isVariablyModifiedType(), 2708d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false, Info) {} 2709d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 27105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 2711ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 27125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 27135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // No additional state past what FunctionType provides. 27141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2715bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2716bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2717bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 27185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 2719264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Profile(ID, getResultType(), getExtInfo()); 27205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 27212455636163fdd18581d7fdae816433f886d88213Mike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ResultType, 272271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo Info) { 272371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Info.Profile(ID); 27245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ResultType.getAsOpaquePtr()); 27255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 27261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 27285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto; 27295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 273072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionNoProtoType *) { return true; } 27315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 27325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 273372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionProtoType - Represents a prototype with argument type info, e.g. 27345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int foo(int)' or 'int foo(void)'. 'void' is represented as having no 2735465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// arguments, not as having a single void argument. Such a type can have an 2736465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// exception specification, but this specification is not part of the canonical 2737465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// type. 273872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionProtoType : public FunctionType, public llvm::FoldingSetNode { 2739e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCallpublic: 2740e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall /// ExtProtoInfo - Extra information about a function prototype. 2741e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall struct ExtProtoInfo { 2742e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall ExtProtoInfo() : 2743361ae9a83e1e3098adabaaad34d0925b30358f38Benjamin Kramer Variadic(false), HasTrailingReturn(false), TypeQuals(0), 2744361ae9a83e1e3098adabaaad34d0925b30358f38Benjamin Kramer ExceptionSpecType(EST_None), RefQualifier(RQ_None), 274513bffc532bafd45d4a77867993c1afb83c7661beRichard Smith NumExceptions(0), Exceptions(0), NoexceptExpr(0), 274613bffc532bafd45d4a77867993c1afb83c7661beRichard Smith ExceptionSpecDecl(0), ExceptionSpecTemplate(0), 2747e6975e9b0985ad7f7ff9187e38d95bfe9ac4181bRichard Smith ConsumedArguments(0) {} 2748e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 2749e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionType::ExtInfo ExtInfo; 27500e2e13f4daa71edac982633120531333b45e77b5Benjamin Kramer bool Variadic : 1; 27510e2e13f4daa71edac982633120531333b45e77b5Benjamin Kramer bool HasTrailingReturn : 1; 2752e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall unsigned char TypeQuals; 2753361ae9a83e1e3098adabaaad34d0925b30358f38Benjamin Kramer ExceptionSpecificationType ExceptionSpecType; 2754361ae9a83e1e3098adabaaad34d0925b30358f38Benjamin Kramer RefQualifierKind RefQualifier; 2755e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall unsigned NumExceptions; 2756e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall const QualType *Exceptions; 27578b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl Expr *NoexceptExpr; 2758e6975e9b0985ad7f7ff9187e38d95bfe9ac4181bRichard Smith FunctionDecl *ExceptionSpecDecl; 275913bffc532bafd45d4a77867993c1afb83c7661beRichard Smith FunctionDecl *ExceptionSpecTemplate; 2760f85e193739c953358c865005855253af4f68a497John McCall const bool *ConsumedArguments; 2761e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall }; 2762e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 2763e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCallprivate: 2764d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Determine whether there are any argument types that 2765d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// contain an unexpanded parameter pack. 2766ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie static bool containsAnyUnexpandedParameterPack(const QualType *ArgArray, 2767d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned numArgs) { 2768d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor for (unsigned Idx = 0; Idx < numArgs; ++Idx) 2769d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor if (ArgArray[Idx]->containsUnexpandedParameterPack()) 2770d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return true; 2771d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2772d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return false; 2773d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 2774d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2775e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType(QualType result, const QualType *args, unsigned numArgs, 27768026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl QualType canonical, const ExtProtoInfo &epi); 2777465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 27785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// NumArgs - The number of arguments this function has, not counting '...'. 2779eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith unsigned NumArgs : 17; 2780465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2781465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// NumExceptions - The number of types in the exception spec, if any. 278260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl unsigned NumExceptions : 9; 2783465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 278460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// ExceptionSpecType - The type of exception specification this function has. 278560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl unsigned ExceptionSpecType : 3; 2786465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2787f85e193739c953358c865005855253af4f68a497John McCall /// HasAnyConsumedArgs - Whether this function has any consumed arguments. 2788f85e193739c953358c865005855253af4f68a497John McCall unsigned HasAnyConsumedArgs : 1; 2789f85e193739c953358c865005855253af4f68a497John McCall 2790eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith /// Variadic - Whether the function is variadic. 2791eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith unsigned Variadic : 1; 2792eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith 2793eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith /// HasTrailingReturn - Whether this function has a trailing return type. 2794eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith unsigned HasTrailingReturn : 1; 2795eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith 27966a2ccc51d9b8357e1433e0029d544d95c5877a5cTed Kremenek // ArgInfo - There is an variable size array after the class in memory that 27976a2ccc51d9b8357e1433e0029d544d95c5877a5cTed Kremenek // holds the argument types. 2798b8706f95eae8f85af01a26eee899c5daf8d6fcdeTed Kremenek 27996a2ccc51d9b8357e1433e0029d544d95c5877a5cTed Kremenek // Exceptions - There is another variable size array after ArgInfo that 28006a2ccc51d9b8357e1433e0029d544d95c5877a5cTed Kremenek // holds the exception types. 2801b8706f95eae8f85af01a26eee899c5daf8d6fcdeTed Kremenek 28026a2ccc51d9b8357e1433e0029d544d95c5877a5cTed Kremenek // NoexceptExpr - Instead of Exceptions, there may be a single Expr* pointing 28036a2ccc51d9b8357e1433e0029d544d95c5877a5cTed Kremenek // to the expression in the noexcept() specifier. 2804b8706f95eae8f85af01a26eee899c5daf8d6fcdeTed Kremenek 280513bffc532bafd45d4a77867993c1afb83c7661beRichard Smith // ExceptionSpecDecl, ExceptionSpecTemplate - Instead of Exceptions, there may 280613bffc532bafd45d4a77867993c1afb83c7661beRichard Smith // be a pair of FunctionDecl* pointing to the function which should be used to 280713bffc532bafd45d4a77867993c1afb83c7661beRichard Smith // instantiate this function type's exception specification, and the function 280813bffc532bafd45d4a77867993c1afb83c7661beRichard Smith // from which it should be instantiated. 2809e6975e9b0985ad7f7ff9187e38d95bfe9ac4181bRichard Smith 28106a2ccc51d9b8357e1433e0029d544d95c5877a5cTed Kremenek // ConsumedArgs - A variable size array, following Exceptions 28116a2ccc51d9b8357e1433e0029d544d95c5877a5cTed Kremenek // and of length NumArgs, holding flags indicating which arguments 28126a2ccc51d9b8357e1433e0029d544d95c5877a5cTed Kremenek // are consumed. This only appears if HasAnyConsumedArgs is true. 2813b8706f95eae8f85af01a26eee899c5daf8d6fcdeTed Kremenek 28145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 28154b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 2816f85e193739c953358c865005855253af4f68a497John McCall const bool *getConsumedArgsBuffer() const { 2817f85e193739c953358c865005855253af4f68a497John McCall assert(hasAnyConsumedArgs()); 2818f85e193739c953358c865005855253af4f68a497John McCall 2819f85e193739c953358c865005855253af4f68a497John McCall // Find the end of the exceptions. 2820f85e193739c953358c865005855253af4f68a497John McCall Expr * const *eh_end = reinterpret_cast<Expr * const *>(arg_type_end()); 2821f85e193739c953358c865005855253af4f68a497John McCall if (getExceptionSpecType() != EST_ComputedNoexcept) 2822f85e193739c953358c865005855253af4f68a497John McCall eh_end += NumExceptions; 2823f85e193739c953358c865005855253af4f68a497John McCall else 2824f85e193739c953358c865005855253af4f68a497John McCall eh_end += 1; // NoexceptExpr 2825f85e193739c953358c865005855253af4f68a497John McCall 2826f85e193739c953358c865005855253af4f68a497John McCall return reinterpret_cast<const bool*>(eh_end); 2827f85e193739c953358c865005855253af4f68a497John McCall } 2828f85e193739c953358c865005855253af4f68a497John McCall 28295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 28305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 28315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgType(unsigned i) const { 28325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(i < NumArgs && "Invalid argument number!"); 2833942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return arg_type_begin()[i]; 28345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2835465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2836e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall ExtProtoInfo getExtProtoInfo() const { 2837e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall ExtProtoInfo EPI; 2838e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = getExtInfo(); 2839e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.Variadic = isVariadic(); 2840eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith EPI.HasTrailingReturn = hasTrailingReturn(); 284160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.ExceptionSpecType = getExceptionSpecType(); 2842e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.TypeQuals = static_cast<unsigned char>(getTypeQuals()); 2843c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor EPI.RefQualifier = getRefQualifier(); 284460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EPI.ExceptionSpecType == EST_Dynamic) { 284560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.NumExceptions = NumExceptions; 284660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.Exceptions = exception_begin(); 284760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } else if (EPI.ExceptionSpecType == EST_ComputedNoexcept) { 284860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.NoexceptExpr = getNoexceptExpr(); 2849e6975e9b0985ad7f7ff9187e38d95bfe9ac4181bRichard Smith } else if (EPI.ExceptionSpecType == EST_Uninstantiated) { 2850e6975e9b0985ad7f7ff9187e38d95bfe9ac4181bRichard Smith EPI.ExceptionSpecDecl = getExceptionSpecDecl(); 285113bffc532bafd45d4a77867993c1afb83c7661beRichard Smith EPI.ExceptionSpecTemplate = getExceptionSpecTemplate(); 285260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 2853f85e193739c953358c865005855253af4f68a497John McCall if (hasAnyConsumedArgs()) 2854f85e193739c953358c865005855253af4f68a497John McCall EPI.ConsumedArguments = getConsumedArgsBuffer(); 2855e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return EPI; 2856e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall } 2857e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 285860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Get the kind of exception specification on this function. 285960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl ExceptionSpecificationType getExceptionSpecType() const { 286060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return static_cast<ExceptionSpecificationType>(ExceptionSpecType); 286160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 286260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Return whether this function has any kind of exception spec. 286360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl bool hasExceptionSpec() const { 286460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return getExceptionSpecType() != EST_None; 286560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 286660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Return whether this function has a dynamic (throw) exception spec. 286760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl bool hasDynamicExceptionSpec() const { 286860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return isDynamicExceptionSpec(getExceptionSpecType()); 286960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 2870fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner /// \brief Return whether this function has a noexcept exception spec. 287160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl bool hasNoexceptExceptionSpec() const { 287260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return isNoexceptExceptionSpec(getExceptionSpecType()); 287360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 287460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Result type of getNoexceptSpec(). 287560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl enum NoexceptResult { 287660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_NoNoexcept, ///< There is no noexcept specifier. 287760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_BadNoexcept, ///< The noexcept specifier has a bad expression. 287860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_Dependent, ///< The noexcept specifier is dependent. 287960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_Throw, ///< The noexcept specifier evaluates to false. 288060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_Nothrow ///< The noexcept specifier evaluates to true. 288160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl }; 288260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Get the meaning of the noexcept spec on this function, if any. 28838026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl NoexceptResult getNoexceptSpec(ASTContext &Ctx) const; 2884465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned getNumExceptions() const { return NumExceptions; } 2885465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl QualType getExceptionType(unsigned i) const { 2886465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(i < NumExceptions && "Invalid exception number!"); 2887465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin()[i]; 2888465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 288960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl Expr *getNoexceptExpr() const { 289060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (getExceptionSpecType() != EST_ComputedNoexcept) 289160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return 0; 289260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl // NoexceptExpr sits where the arguments end. 289360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return *reinterpret_cast<Expr *const *>(arg_type_end()); 2894d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson } 289513bffc532bafd45d4a77867993c1afb83c7661beRichard Smith /// \brief If this function type has an uninstantiated exception 289613bffc532bafd45d4a77867993c1afb83c7661beRichard Smith /// specification, this is the function whose exception specification 289713bffc532bafd45d4a77867993c1afb83c7661beRichard Smith /// is represented by this type. 2898e6975e9b0985ad7f7ff9187e38d95bfe9ac4181bRichard Smith FunctionDecl *getExceptionSpecDecl() const { 2899e6975e9b0985ad7f7ff9187e38d95bfe9ac4181bRichard Smith if (getExceptionSpecType() != EST_Uninstantiated) 2900e6975e9b0985ad7f7ff9187e38d95bfe9ac4181bRichard Smith return 0; 290113bffc532bafd45d4a77867993c1afb83c7661beRichard Smith return reinterpret_cast<FunctionDecl * const *>(arg_type_end())[0]; 290213bffc532bafd45d4a77867993c1afb83c7661beRichard Smith } 290313bffc532bafd45d4a77867993c1afb83c7661beRichard Smith /// \brief If this function type has an uninstantiated exception 290413bffc532bafd45d4a77867993c1afb83c7661beRichard Smith /// specification, this is the function whose exception specification 290513bffc532bafd45d4a77867993c1afb83c7661beRichard Smith /// should be instantiated to find the exception specification for 290613bffc532bafd45d4a77867993c1afb83c7661beRichard Smith /// this type. 290713bffc532bafd45d4a77867993c1afb83c7661beRichard Smith FunctionDecl *getExceptionSpecTemplate() const { 290813bffc532bafd45d4a77867993c1afb83c7661beRichard Smith if (getExceptionSpecType() != EST_Uninstantiated) 290913bffc532bafd45d4a77867993c1afb83c7661beRichard Smith return 0; 291013bffc532bafd45d4a77867993c1afb83c7661beRichard Smith return reinterpret_cast<FunctionDecl * const *>(arg_type_end())[1]; 2911e6975e9b0985ad7f7ff9187e38d95bfe9ac4181bRichard Smith } 29128026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl bool isNothrow(ASTContext &Ctx) const { 291360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl ExceptionSpecificationType EST = getExceptionSpecType(); 2914e6975e9b0985ad7f7ff9187e38d95bfe9ac4181bRichard Smith assert(EST != EST_Delayed && EST != EST_Uninstantiated); 291560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EST == EST_DynamicNone || EST == EST_BasicNoexcept) 291660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return true; 291760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EST != EST_ComputedNoexcept) 291860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return false; 29198026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl return getNoexceptSpec(Ctx) == NR_Nothrow; 2920c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall } 2921c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall 2922eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith bool isVariadic() const { return Variadic; } 292360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl 2924f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// \brief Determines whether this function prototype contains a 2925f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// parameter pack at the end. 2926f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// 2927f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// A function template whose last parameter is a parameter pack can be 2928f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// called with an arbitrary number of arguments, much like a variadic 2929eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith /// function. 2930f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor bool isTemplateVariadic() const; 2931ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2932eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith bool hasTrailingReturn() const { return HasTrailingReturn; } 2933eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith 2934971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned getTypeQuals() const { return FunctionType::getTypeQuals(); } 29351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2936ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 2937c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief Retrieve the ref-qualifier associated with this function type. 2938c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RefQualifierKind getRefQualifier() const { 2939c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor return FunctionType::getRefQualifier(); 2940c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor } 2941ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 29425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef const QualType *arg_type_iterator; 2943942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_begin() const { 2944942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return reinterpret_cast<const QualType *>(this+1); 2945942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner } 2946942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_end() const { return arg_type_begin()+NumArgs; } 2947465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2948465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl typedef const QualType *exception_iterator; 2949465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_begin() const { 2950465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // exceptions begin where arguments end 2951465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return arg_type_end(); 2952465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2953465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_end() const { 295460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (getExceptionSpecType() != EST_Dynamic) 295560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return exception_begin(); 2956465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin() + NumExceptions; 2957465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2958465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2959f85e193739c953358c865005855253af4f68a497John McCall bool hasAnyConsumedArgs() const { 2960f85e193739c953358c865005855253af4f68a497John McCall return HasAnyConsumedArgs; 2961f85e193739c953358c865005855253af4f68a497John McCall } 2962f85e193739c953358c865005855253af4f68a497John McCall bool isArgConsumed(unsigned I) const { 2963f85e193739c953358c865005855253af4f68a497John McCall assert(I < getNumArgs() && "argument index out of range!"); 2964f85e193739c953358c865005855253af4f68a497John McCall if (hasAnyConsumedArgs()) 2965f85e193739c953358c865005855253af4f68a497John McCall return getConsumedArgsBuffer()[I]; 2966f85e193739c953358c865005855253af4f68a497John McCall return false; 2967f85e193739c953358c865005855253af4f68a497John McCall } 2968f85e193739c953358c865005855253af4f68a497John McCall 2969bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2970bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2971bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 29727ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis // FIXME: Remove the string version. 297301d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor void printExceptionSpecification(std::string &S, 297401d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor PrintingPolicy Policy) const; 29757ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis void printExceptionSpecification(raw_ostream &OS, 29767ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis PrintingPolicy Policy) const; 297701d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor 29785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 29795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionProto; 29805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 298172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionProtoType *) { return true; } 2982465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 29838026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Ctx); 29845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Result, 2985942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator ArgTys, unsigned NumArgs, 29868026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl const ExtProtoInfo &EPI, const ASTContext &Context); 29875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 29885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 29895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2990ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// \brief Represents the dependent type named by a dependently-scoped 2991ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// typename using declaration, e.g. 2992ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// using typename Base<T>::foo; 2993ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// Template instantiation turns these into the underlying type. 2994ed97649e9574b9d854fa4d6109c9333ae0993554John McCallclass UnresolvedUsingType : public Type { 2995ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *Decl; 2996ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 299719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall UnresolvedUsingType(const UnresolvedUsingTypenameDecl *D) 2998ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Type(UnresolvedUsing, QualType(), true, true, false, 2999d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 300019c8576b7328f4dc2d07682f5da552875c1912efJohn McCall Decl(const_cast<UnresolvedUsingTypenameDecl*>(D)) {} 3001ed97649e9574b9d854fa4d6109c9333ae0993554John McCall friend class ASTContext; // ASTContext creates these. 3002ed97649e9574b9d854fa4d6109c9333ae0993554John McCallpublic: 3003ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 3004ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *getDecl() const { return Decl; } 3005ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 3006ed97649e9574b9d854fa4d6109c9333ae0993554John McCall bool isSugared() const { return false; } 3007ed97649e9574b9d854fa4d6109c9333ae0993554John McCall QualType desugar() const { return QualType(this, 0); } 3008ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 3009ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const Type *T) { 3010ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return T->getTypeClass() == UnresolvedUsing; 3011ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 3012ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const UnresolvedUsingType *) { return true; } 3013ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 3014ed97649e9574b9d854fa4d6109c9333ae0993554John McCall void Profile(llvm::FoldingSetNodeID &ID) { 3015ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Profile(ID, Decl); 3016ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 3017ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static void Profile(llvm::FoldingSetNodeID &ID, 3018ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *D) { 3019ed97649e9574b9d854fa4d6109c9333ae0993554John McCall ID.AddPointer(D); 3020ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 3021ed97649e9574b9d854fa4d6109c9333ae0993554John McCall}; 3022ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 3023ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 30245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TypedefType : public Type { 3025162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypedefNameDecl *Decl; 3026c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanianprotected: 3027162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypedefType(TypeClass tc, const TypedefNameDecl *D, QualType can) 3028ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Type(tc, can, can->isDependentType(), 3029561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor can->isInstantiationDependentType(), 3030ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie can->isVariablyModifiedType(), 3031d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 3032162e1c1b487352434552147967c3dd296ebee2f7Richard Smith Decl(const_cast<TypedefNameDecl*>(D)) { 30335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isa<TypedefType>(can) && "Invalid canonical type"); 30345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 30355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 30365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 30371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3038162e1c1b487352434552147967c3dd296ebee2f7Richard Smith TypedefNameDecl *getDecl() const { return Decl; } 30391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3040bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 3041bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 3042bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 304372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == Typedef; } 30445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TypedefType *) { return true; } 30455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 30465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 304772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType (GCC extension). 304872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass TypeOfExprType : public Type { 3049d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *TOExpr; 30501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3051b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorprotected: 3052dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType(Expr *E, QualType can = QualType()); 3053d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 3054d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 3055d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *getUnderlyingExpr() const { return TOExpr; } 30561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3057bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 3058bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 3059bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3060bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 30616af9f3ca25157379efd5c1caad82e9d01c17b9ffDouglas Gregor bool isSugared() const; 3062bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 306372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOfExpr; } 306472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const TypeOfExprType *) { return true; } 3065d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 3066d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 3067c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 30681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typeof(expr) types. 3069c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 3070c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 3071c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 3072c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via TypeOfExprType nodes. 30731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass DependentTypeOfExprType 3074b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : public TypeOfExprType, public llvm::FoldingSetNode { 30754ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 30761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3077b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorpublic: 30784ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentTypeOfExprType(const ASTContext &Context, Expr *E) 3079b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : TypeOfExprType(E), Context(Context) { } 30801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3081b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 3082b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 3083b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 30841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30854ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 3086b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Expr *E); 3087b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor}; 30881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3089d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff/// TypeOfType (GCC extension). 3090d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffclass TypeOfType : public Type { 3091d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType TOType; 30921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TypeOfType(QualType T, QualType can) 3093ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Type(TypeOf, can, T->isDependentType(), 3094561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor T->isInstantiationDependentType(), 3095ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie T->isVariablyModifiedType(), 3096ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie T->containsUnexpandedParameterPack()), 309735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor TOType(T) { 3098d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff assert(!isa<TypedefType>(can) && "Invalid canonical type"); 3099d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff } 3100d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 3101d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 3102d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getUnderlyingType() const { return TOType; } 31031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3104bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 3105bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 3106bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3107bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 3108bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 3109bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 311072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOf; } 3111d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff static bool classof(const TypeOfType *) { return true; } 3112d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 31135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3114395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType (C++0x) 3115395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonclass DecltypeType : public Type { 3116395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *E; 3117563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType UnderlyingType; 31181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31199d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorprotected: 3120563a03b1338d31c2462def43253a722bc885d384Anders Carlsson DecltypeType(Expr *E, QualType underlyingType, QualType can = QualType()); 3121395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson friend class ASTContext; // ASTContext creates these. 3122395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonpublic: 3123395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *getUnderlyingExpr() const { return E; } 3124563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType getUnderlyingType() const { return UnderlyingType; } 3125563a03b1338d31c2462def43253a722bc885d384Anders Carlsson 3126bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 31276af9f3ca25157379efd5c1caad82e9d01c17b9ffDouglas Gregor QualType desugar() const; 3128bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3129bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 31306af9f3ca25157379efd5c1caad82e9d01c17b9ffDouglas Gregor bool isSugared() const; 3131bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3132395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const Type *T) { return T->getTypeClass() == Decltype; } 3133395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const DecltypeType *) { return true; } 3134395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson}; 31351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3136c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 3137c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// decltype(expr) types. 3138c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 3139c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 3140c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 3141c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via DecltypeType nodes. 31429d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorclass DependentDecltypeType : public DecltypeType, public llvm::FoldingSetNode { 31434ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 31441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31459d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorpublic: 31464ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentDecltypeType(const ASTContext &Context, Expr *E); 31471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31489d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 31499d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 31509d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 31511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31524ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 31531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *E); 31549d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor}; 31551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3156ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt/// \brief A unary type transform, which is a type constructed from another 3157ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntclass UnaryTransformType : public Type { 3158ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntpublic: 3159ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt enum UTTKind { 3160ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt EnumUnderlyingType 3161ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt }; 3162ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3163ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntprivate: 3164ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt /// The untransformed type. 3165ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType BaseType; 3166ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt /// The transformed type if not dependent, otherwise the same as BaseType. 3167ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType UnderlyingType; 3168ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3169ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UTTKind UKind; 3170ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntprotected: 3171ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UnaryTransformType(QualType BaseTy, QualType UnderlyingTy, UTTKind UKind, 3172ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType CanonicalTy); 3173ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt friend class ASTContext; 3174ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntpublic: 3175ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt bool isSugared() const { return !isDependentType(); } 3176ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType desugar() const { return UnderlyingType; } 3177ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3178ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType getUnderlyingType() const { return UnderlyingType; } 3179ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType getBaseType() const { return BaseType; } 3180ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3181ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UTTKind getUTTKind() const { return UKind; } 3182ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3183ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt static bool classof(const Type *T) { 3184ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt return T->getTypeClass() == UnaryTransform; 3185ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt } 3186ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt static bool classof(const UnaryTransformType *) { return true; } 3187ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt}; 3188ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 31895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TagType : public Type { 3190ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// Stores the TagDecl associated with this type. The decl may point to any 3191ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// TagDecl that declares the entity. 3192ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl * decl; 31932ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 319456ca8a9c0fabd65418e9b2fd85140f4ed7d3c187Douglas Gregor friend class ASTReader; 319556ca8a9c0fabd65418e9b2fd85140f4ed7d3c187Douglas Gregor 31962ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregorprotected: 319719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall TagType(TypeClass TC, const TagDecl *D, QualType can); 31982ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 31991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 3200ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl *getDecl() const; 32011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32020b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor /// @brief Determines whether this type is in the process of being 32031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// defined. 3204ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl bool isBeingDefined() const; 32050b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 32061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 320772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return T->getTypeClass() >= TagFirst && T->getTypeClass() <= TagLast; 320872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor } 32095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TagType *) { return true; } 32105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 32115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 32125edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// RecordType - This is a helper class that allows the use of isa/cast/dyncast 32135edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of structs/unions/classes. 32145edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass RecordType : public TagType { 321549aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidisprotected: 321619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit RecordType(const RecordDecl *D) 321719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Record, reinterpret_cast<const TagDecl*>(D), QualType()) { } 321872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor explicit RecordType(TypeClass TC, RecordDecl *D) 321919c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(TC, reinterpret_cast<const TagDecl*>(D), QualType()) { } 32202ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 32215edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 32221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32235edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner RecordDecl *getDecl() const { 32245edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<RecordDecl*>(TagType::getDecl()); 32255edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 32261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // FIXME: This predicate is a helper to QualType/Type. It needs to 32285edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // recursively check all fields for const-ness. If any field is declared 32291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // const, it needs to return false. 32305edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner bool hasConstFields() const { return false; } 32315edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 3232bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3233bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3234bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 323595b68f94d28a4b94f4c3fb029b9f1690e1bb728bPeter Collingbourne static bool classof(const Type *T) { return T->getTypeClass() == Record; } 32365edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const RecordType *) { return true; } 32375edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 32385edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 32395edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// EnumType - This is a helper class that allows the use of isa/cast/dyncast 32405edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of enums. 32415edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass EnumType : public TagType { 324219c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit EnumType(const EnumDecl *D) 324319c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Enum, reinterpret_cast<const TagDecl*>(D), QualType()) { } 32442ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 32455edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 32461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32475edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner EnumDecl *getDecl() const { 32485edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<EnumDecl*>(TagType::getDecl()); 32495edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 32501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3251bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3252bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3253bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 325495b68f94d28a4b94f4c3fb029b9f1690e1bb728bPeter Collingbourne static bool classof(const Type *T) { return T->getTypeClass() == Enum; } 32555edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const EnumType *) { return true; } 32565edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 32575edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 32589d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// AttributedType - An attributed type is a type to which a type 32599d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// attribute has been applied. The "modified type" is the 32609d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// fully-sugared type to which the attributed type was applied; 32619d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// generally it is not canonically equivalent to the attributed type. 32629d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// The "equivalent type" is the minimally-desugared type which the 32639d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// type is canonically equivalent to. 32649d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// 32659d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// For example, in the following attributed type: 32669d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// int32_t __attribute__((vector_size(16))) 32679d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// - the modified type is the TypedefType for int32_t 32689d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// - the equivalent type is VectorType(16, int32_t) 32699d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// - the canonical type is VectorType(16, int) 32709d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallclass AttributedType : public Type, public llvm::FoldingSetNode { 32719d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallpublic: 32729d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // It is really silly to have yet another attribute-kind enum, but 32739d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // clang::attr::Kind doesn't currently cover the pure type attrs. 32749d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall enum Kind { 32759d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // Expression operand. 3276170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_address_space, 3277170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_regparm, 3278170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_vector_size, 3279170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_neon_vector_type, 3280170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_neon_polyvector_type, 32819d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 3282170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet FirstExprOperandKind = attr_address_space, 3283170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet LastExprOperandKind = attr_neon_polyvector_type, 32849d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32859d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // Enumerated operand (string or keyword). 3286170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_objc_gc, 3287b8b0313e84700b5c6d597b3be4de41c97b7550f1Argyrios Kyrtzidis attr_objc_ownership, 3288414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov attr_pcs, 32899d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 3290170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet FirstEnumOperandKind = attr_objc_gc, 3291414d8967e1d760ea1e19a4aca96b13777a8cf8c5Anton Korobeynikov LastEnumOperandKind = attr_pcs, 32929d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 32939d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // No operand. 32943cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_noreturn, 32953cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_cdecl, 32963cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_fastcall, 32973cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_stdcall, 32983cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_thiscall, 32993cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_pascal 33009d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall }; 33019d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 33029d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallprivate: 33039d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType ModifiedType; 33049d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType EquivalentType; 33059d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 33069d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall friend class ASTContext; // creates these 33079d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 33089d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType(QualType canon, Kind attrKind, 33099d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType modified, QualType equivalent) 33109d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall : Type(Attributed, canon, canon->isDependentType(), 3311561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor canon->isInstantiationDependentType(), 33129d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall canon->isVariablyModifiedType(), 33139d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall canon->containsUnexpandedParameterPack()), 33149d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ModifiedType(modified), EquivalentType(equivalent) { 33159d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedTypeBits.AttrKind = attrKind; 33169d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 33179d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 33189d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallpublic: 33199d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall Kind getAttrKind() const { 33209d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return static_cast<Kind>(AttributedTypeBits.AttrKind); 33219d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 33229d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 33239d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType getModifiedType() const { return ModifiedType; } 33249d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType getEquivalentType() const { return EquivalentType; } 33259d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 33269d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall bool isSugared() const { return true; } 33279d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType desugar() const { return getEquivalentType(); } 33289d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 33299d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 33309d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall Profile(ID, getAttrKind(), ModifiedType, EquivalentType); 33319d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 33329d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 33339d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, Kind attrKind, 33349d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType modified, QualType equivalent) { 33359d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ID.AddInteger(attrKind); 33369d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ID.AddPointer(modified.getAsOpaquePtr()); 33379d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ID.AddPointer(equivalent.getAsOpaquePtr()); 33389d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 33399d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 33409d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall static bool classof(const Type *T) { 33419d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return T->getTypeClass() == Attributed; 33429d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 33439d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall static bool classof(const AttributedType *T) { return true; } 33449d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall}; 33459d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 3346fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorclass TemplateTypeParmType : public Type, public llvm::FoldingSetNode { 33474fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth // Helper data collector for canonical types. 33484fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth struct CanonicalTTPTInfo { 33494fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned Depth : 15; 33504fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned ParameterPack : 1; 33514fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned Index : 16; 33524fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth }; 33534fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth 33544fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth union { 33554fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth // Info for the canonical type. 33564fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth CanonicalTTPTInfo CanTTPTInfo; 33574fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth // Info for the non-canonical type. 33584fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmDecl *TTPDecl; 33594fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth }; 336072c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 33614fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth /// Build a non-canonical type. 33624fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmType(TemplateTypeParmDecl *TTPDecl, QualType Canon) 336335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(TemplateTypeParm, Canon, /*Dependent=*/true, 3364561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 33654fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth /*VariablyModified=*/false, 33665d65e34b08b3e57a4da834195757d0d15baaffd0Chandler Carruth Canon->containsUnexpandedParameterPack()), 33674fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TTPDecl(TTPDecl) { } 336872c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 33694fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth /// Build the canonical type. 33701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType(unsigned D, unsigned I, bool PP) 3371ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Type(TemplateTypeParm, QualType(this, 0), 3372561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*Dependent=*/true, 3373561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 33744fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth /*VariablyModified=*/false, PP) { 33754fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth CanTTPTInfo.Depth = D; 33764fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth CanTTPTInfo.Index = I; 33774fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth CanTTPTInfo.ParameterPack = PP; 33784fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth } 337972c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 3380fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor friend class ASTContext; // ASTContext creates these 338172c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 33824fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth const CanonicalTTPTInfo& getCanTTPTInfo() const { 33834fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth QualType Can = getCanonicalTypeInternal(); 33845d65e34b08b3e57a4da834195757d0d15baaffd0Chandler Carruth return Can->castAs<TemplateTypeParmType>()->CanTTPTInfo; 33854fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth } 33864fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth 3387fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorpublic: 33884fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned getDepth() const { return getCanTTPTInfo().Depth; } 33894fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth unsigned getIndex() const { return getCanTTPTInfo().Index; } 33904fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth bool isParameterPack() const { return getCanTTPTInfo().ParameterPack; } 33914fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth 33924fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmDecl *getDecl() const { 33934fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth return isCanonicalUnqualified() ? 0 : TTPDecl; 33944fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth } 33954fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth 3396b7efff4bae117604f442bb6859c844f90b15f3ffChandler Carruth IdentifierInfo *getIdentifier() const; 33971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3398bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3399bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3400bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3401fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 34024fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth Profile(ID, getDepth(), getIndex(), isParameterPack(), getDecl()); 3403fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 3404fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 34051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, unsigned Depth, 34061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned Index, bool ParameterPack, 34074fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmDecl *TTPDecl) { 3408fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Depth); 3409fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Index); 341076e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson ID.AddBoolean(ParameterPack); 34114fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth ID.AddPointer(TTPDecl); 3412fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 3413fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 34141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 34151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateTypeParm; 341672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor } 341772c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor static bool classof(const TemplateTypeParmType *T) { return true; } 341872c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor}; 3419fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 342049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Represents the result of substituting a type for a template 342149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type parameter. 342249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// 342349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// Within an instantiated template, all template type parameters have 342449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// been replaced with these. They are used solely to record that a 342549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type was originally written as a template type parameter; 342649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// therefore they are never canonical. 342749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallclass SubstTemplateTypeParmType : public Type, public llvm::FoldingSetNode { 342849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall // The original type parameter. 342949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced; 343049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 343149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(const TemplateTypeParmType *Param, QualType Canon) 343235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(SubstTemplateTypeParm, Canon, Canon->isDependentType(), 3433561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor Canon->isInstantiationDependentType(), 3434d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Canon->isVariablyModifiedType(), 3435d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Canon->containsUnexpandedParameterPack()), 343649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Replaced(Param) { } 343749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 343849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall friend class ASTContext; 343949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 344049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallpublic: 344149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the template parameter that was substituted for. 344249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *getReplacedParameter() const { 344349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return Replaced; 344449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 344549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 344649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the type that was substituted for the template 344749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// parameter. 344849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType getReplacementType() const { 344949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getCanonicalTypeInternal(); 345049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 345149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 345249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall bool isSugared() const { return true; } 345349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType desugar() const { return getReplacementType(); } 345449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 345549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 345649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Profile(ID, getReplacedParameter(), getReplacementType()); 345749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 345849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, 345949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced, 346049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 346149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replaced); 346249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replacement.getAsOpaquePtr()); 346349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 346449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 346549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const Type *T) { 346649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return T->getTypeClass() == SubstTemplateTypeParm; 346749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 346849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const SubstTemplateTypeParmType *T) { return true; } 346949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall}; 347049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 3471c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// \brief Represents the result of substituting a set of types for a template 3472c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// type parameter pack. 3473c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// 3474c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// When a pack expansion in the source code contains multiple parameter packs 3475c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// and those parameter packs correspond to different levels of template 3476ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// parameter lists, this type node is used to represent a template type 3477c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// parameter pack from an outer level, which has already had its argument pack 3478c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// substituted but that still lives within a pack expansion that itself 3479c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// could not be instantiated. When actually performing a substitution into 3480c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// that pack expansion (e.g., when all template parameters have corresponding 3481c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// arguments), this type will be replaced with the \c SubstTemplateTypeParmType 3482c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// at the current pack substitution index. 3483c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregorclass SubstTemplateTypeParmPackType : public Type, public llvm::FoldingSetNode { 3484c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// \brief The original type parameter. 3485c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *Replaced; 3486ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3487c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// \brief A pointer to the set of template arguments that this 3488c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// parameter pack is instantiated with. 3489c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument *Arguments; 3490ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3491c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// \brief The number of template arguments in \c Arguments. 3492c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor unsigned NumArguments; 3493ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3494ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie SubstTemplateTypeParmPackType(const TemplateTypeParmType *Param, 3495c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor QualType Canon, 3496c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument &ArgPack); 3497ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3498c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor friend class ASTContext; 3499ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3500c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregorpublic: 3501b7efff4bae117604f442bb6859c844f90b15f3ffChandler Carruth IdentifierInfo *getIdentifier() const { return Replaced->getIdentifier(); } 3502ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3503c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// Gets the template parameter that was substituted for. 3504c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *getReplacedParameter() const { 3505c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return Replaced; 3506c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 3507ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3508c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor bool isSugared() const { return false; } 3509c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor QualType desugar() const { return QualType(this, 0); } 3510ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3511c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor TemplateArgument getArgumentPack() const; 3512ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3513c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID); 3514c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, 3515c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *Replaced, 3516c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument &ArgPack); 3517ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 3518c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor static bool classof(const Type *T) { 3519c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return T->getTypeClass() == SubstTemplateTypeParmPack; 3520c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 3521c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor static bool classof(const SubstTemplateTypeParmPackType *T) { return true; } 3522c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor}; 3523c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 352434b41d939a1328f484511c6002ba2456db879a29Richard Smith/// \brief Represents a C++0x auto type. 352534b41d939a1328f484511c6002ba2456db879a29Richard Smith/// 352634b41d939a1328f484511c6002ba2456db879a29Richard Smith/// These types are usually a placeholder for a deduced type. However, within 352734b41d939a1328f484511c6002ba2456db879a29Richard Smith/// templates and before the initializer is attached, there is no deduced type 352834b41d939a1328f484511c6002ba2456db879a29Richard Smith/// and an auto type is type-dependent and canonical. 352934b41d939a1328f484511c6002ba2456db879a29Richard Smithclass AutoType : public Type, public llvm::FoldingSetNode { 353034b41d939a1328f484511c6002ba2456db879a29Richard Smith AutoType(QualType DeducedType) 353134b41d939a1328f484511c6002ba2456db879a29Richard Smith : Type(Auto, DeducedType.isNull() ? QualType(this, 0) : DeducedType, 353234b41d939a1328f484511c6002ba2456db879a29Richard Smith /*Dependent=*/DeducedType.isNull(), 3533561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/DeducedType.isNull(), 353434b41d939a1328f484511c6002ba2456db879a29Richard Smith /*VariablyModified=*/false, /*ContainsParameterPack=*/false) { 353534b41d939a1328f484511c6002ba2456db879a29Richard Smith assert((DeducedType.isNull() || !DeducedType->isDependentType()) && 353634b41d939a1328f484511c6002ba2456db879a29Richard Smith "deduced a dependent type for auto"); 353734b41d939a1328f484511c6002ba2456db879a29Richard Smith } 353834b41d939a1328f484511c6002ba2456db879a29Richard Smith 353934b41d939a1328f484511c6002ba2456db879a29Richard Smith friend class ASTContext; // ASTContext creates these 354034b41d939a1328f484511c6002ba2456db879a29Richard Smith 354134b41d939a1328f484511c6002ba2456db879a29Richard Smithpublic: 354234b41d939a1328f484511c6002ba2456db879a29Richard Smith bool isSugared() const { return isDeduced(); } 354334b41d939a1328f484511c6002ba2456db879a29Richard Smith QualType desugar() const { return getCanonicalTypeInternal(); } 354434b41d939a1328f484511c6002ba2456db879a29Richard Smith 354534b41d939a1328f484511c6002ba2456db879a29Richard Smith QualType getDeducedType() const { 354634b41d939a1328f484511c6002ba2456db879a29Richard Smith return isDeduced() ? getCanonicalTypeInternal() : QualType(); 354734b41d939a1328f484511c6002ba2456db879a29Richard Smith } 354834b41d939a1328f484511c6002ba2456db879a29Richard Smith bool isDeduced() const { 354934b41d939a1328f484511c6002ba2456db879a29Richard Smith return !isDependentType(); 355034b41d939a1328f484511c6002ba2456db879a29Richard Smith } 355134b41d939a1328f484511c6002ba2456db879a29Richard Smith 355234b41d939a1328f484511c6002ba2456db879a29Richard Smith void Profile(llvm::FoldingSetNodeID &ID) { 355334b41d939a1328f484511c6002ba2456db879a29Richard Smith Profile(ID, getDeducedType()); 355434b41d939a1328f484511c6002ba2456db879a29Richard Smith } 355534b41d939a1328f484511c6002ba2456db879a29Richard Smith 355634b41d939a1328f484511c6002ba2456db879a29Richard Smith static void Profile(llvm::FoldingSetNodeID &ID, 355734b41d939a1328f484511c6002ba2456db879a29Richard Smith QualType Deduced) { 355834b41d939a1328f484511c6002ba2456db879a29Richard Smith ID.AddPointer(Deduced.getAsOpaquePtr()); 355934b41d939a1328f484511c6002ba2456db879a29Richard Smith } 356034b41d939a1328f484511c6002ba2456db879a29Richard Smith 356134b41d939a1328f484511c6002ba2456db879a29Richard Smith static bool classof(const Type *T) { 356234b41d939a1328f484511c6002ba2456db879a29Richard Smith return T->getTypeClass() == Auto; 356334b41d939a1328f484511c6002ba2456db879a29Richard Smith } 356434b41d939a1328f484511c6002ba2456db879a29Richard Smith static bool classof(const AutoType *T) { return true; } 356534b41d939a1328f484511c6002ba2456db879a29Richard Smith}; 356634b41d939a1328f484511c6002ba2456db879a29Richard Smith 35671901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// \brief Represents a type template specialization; the template 35681901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// must be a class template, a type alias template, or a template 35691901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// template parameter. A template which cannot be resolved to one of 35701901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// these, e.g. because it is written with a dependent scope 35711901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// specifier, is instead represented as a 35721901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// @c DependentTemplateSpecializationType. 357355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// 35741901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// A non-dependent template specialization type is always "sugar", 35751901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// typically for a @c RecordType. For example, a class template 35761901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// specialization type of @c vector<int> will refer to a tag type for 35771901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// the instantiation @c std::vector<int, std::allocator<int>> 35787532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// 35791901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// Template specializations are dependent if either the template or 35801901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// any of the template arguments are dependent, in which case the 35811901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// type may also be canonical. 35823e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith/// 35831901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// Instances of this type are allocated with a trailing array of 35841901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// TemplateArguments, followed by a QualType representing the 35851901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// non-canonical aliased type when the template is a type alias 35861901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall/// template. 35871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass TemplateSpecializationType 358855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor : public Type, public llvm::FoldingSetNode { 35891901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall /// \brief The name of the template being specialized. This is 35901901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall /// either a TemplateName::Template (in which case it is a 35911901dce8b1e78d0bf7072cccab695bd58c7eec21John McCall /// ClassTemplateDecl*, a TemplateTemplateParmDecl*, or a 3592146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall /// TypeAliasTemplateDecl*), a 3593146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall /// TemplateName::SubstTemplateTemplateParmPack, or a 3594146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall /// TemplateName::SubstTemplateTemplateParm (in which case the 3595146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall /// replacement must, recursively, be one of these). 35967532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Template; 359755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 359840808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief - The number of template arguments named in this class 359940808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// template specialization. 3600b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor unsigned NumArgs : 31; 360155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 3602b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// \brief Whether this template specialization type is a substituted 3603b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// type alias. 3604b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor bool TypeAlias : 1; 3605b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor 3606ef99001908e799c388f1363b1e607dad5f5b57d3John McCall TemplateSpecializationType(TemplateName T, 36077532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 36083e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith unsigned NumArgs, QualType Canon, 36093e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Aliased); 361055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 361155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor friend class ASTContext; // ASTContext creates these 361255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 361355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregorpublic: 361440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Determine whether any of the given template arguments are 361540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// dependent. 361640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor static bool anyDependentTemplateArguments(const TemplateArgument *Args, 3617561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor unsigned NumArgs, 3618561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool &InstantiationDependent); 361940808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 3620833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static bool anyDependentTemplateArguments(const TemplateArgumentLoc *Args, 3621561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor unsigned NumArgs, 3622561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool &InstantiationDependent); 3623833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 3624561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor static bool anyDependentTemplateArguments(const TemplateArgumentListInfo &, 3625561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor bool &InstantiationDependent); 3626d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 3627df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// \brief Print a template argument list, including the '<' and '>' 3628df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// enclosing the template arguments. 36297ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis // FIXME: remove the string ones. 3630df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor static std::string PrintTemplateArgumentList(const TemplateArgument *Args, 3631d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned NumArgs, 3632dace95b13e2ceb0c3ec8de6babd926dc5114e1e5Douglas Gregor const PrintingPolicy &Policy, 3633dace95b13e2ceb0c3ec8de6babd926dc5114e1e5Douglas Gregor bool SkipBrackets = false); 3634df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor 3635833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static std::string PrintTemplateArgumentList(const TemplateArgumentLoc *Args, 3636833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs, 3637833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const PrintingPolicy &Policy); 3638833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 3639d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static std::string PrintTemplateArgumentList(const TemplateArgumentListInfo &, 3640d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const PrintingPolicy &Policy); 3641d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 36427ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis /// \brief Print a template argument list, including the '<' and '>' 36437ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis /// enclosing the template arguments. 36447ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis static void PrintTemplateArgumentList(raw_ostream &OS, 36457ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const TemplateArgument *Args, 36467ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis unsigned NumArgs, 36477ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const PrintingPolicy &Policy, 36487ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis bool SkipBrackets = false); 36497ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis 36507ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis static void PrintTemplateArgumentList(raw_ostream &OS, 36517ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const TemplateArgumentLoc *Args, 36527ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis unsigned NumArgs, 36537ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const PrintingPolicy &Policy); 36547ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis 36557ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis static void PrintTemplateArgumentList(raw_ostream &OS, 36567ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const TemplateArgumentListInfo &, 36577ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis const PrintingPolicy &Policy); 36587ad5c996e9519ed4e9afd1f0166be1cd2be8415aArgyrios Kyrtzidis 365931f17ecbef57b5679c017c375db330546b7b5145John McCall /// True if this template specialization type matches a current 366031f17ecbef57b5679c017c375db330546b7b5145John McCall /// instantiation in the context in which it is found. 366131f17ecbef57b5679c017c375db330546b7b5145John McCall bool isCurrentInstantiation() const { 366271d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall return isa<InjectedClassNameType>(getCanonicalTypeInternal()); 366331f17ecbef57b5679c017c375db330546b7b5145John McCall } 366431f17ecbef57b5679c017c375db330546b7b5145John McCall 3665b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// \brief Determine if this template specialization type is for a type alias 3666b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// template that has been substituted. 3667b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// 3668b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// Nearly every template specialization type whose template is an alias 3669b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// template will be substituted. However, this is not the case when 3670b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// the specialization contains a pack expansion but the template alias 3671b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// does not have a corresponding parameter pack, e.g., 3672b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// 3673b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// \code 3674b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// template<typename T, typename U, typename V> struct S; 3675b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// template<typename T, typename U> using A = S<T, int, U>; 3676b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// template<typename... Ts> struct X { 3677b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// typedef A<Ts...> type; // not a type alias 3678b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// }; 3679b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor /// \endcode 3680b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor bool isTypeAlias() const { return TypeAlias; } 3681b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor 36823e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith /// Get the aliased type, if this is a specialization of a type alias 36833e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith /// template. 36843e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType getAliasedType() const { 36853e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith assert(isTypeAlias() && "not a type alias template specialization"); 36863e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return *reinterpret_cast<const QualType*>(end()); 36873e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 36883e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 368940808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor typedef const TemplateArgument * iterator; 369040808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 369140808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor iterator begin() const { return getArgs(); } 369233500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // defined inline in TemplateBase.h 369340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 36947532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor /// \brief Retrieve the name of the template that we are specializing. 36957532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName getTemplateName() const { return Template; } 369655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 369740808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the template arguments. 36981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const TemplateArgument *getArgs() const { 369940808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor return reinterpret_cast<const TemplateArgument *>(this + 1); 370040808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor } 370140808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 370240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the number of template arguments. 370355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned getNumArgs() const { return NumArgs; } 370455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 370555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \brief Retrieve a specific template argument as a type. 370655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \precondition @c isArgType(Arg) 370733500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 370855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 370931f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { 37103e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return !isDependentType() || isCurrentInstantiation() || isTypeAlias(); 371131f17ecbef57b5679c017c375db330546b7b5145John McCall } 3712bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getCanonicalTypeInternal(); } 3713bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 37144ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Ctx) { 371571d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall Profile(ID, Template, getArgs(), NumArgs, Ctx); 37163e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (isTypeAlias()) 37173e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith getAliasedType().Profile(ID); 371855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 371955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 37207532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, TemplateName T, 372131f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateArgument *Args, 372231f17ecbef57b5679c017c375db330546b7b5145John McCall unsigned NumArgs, 37234ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context); 372455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 37251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 37261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateSpecialization; 372755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 37287532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static bool classof(const TemplateSpecializationType *T) { return true; } 372955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor}; 373055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 373131f17ecbef57b5679c017c375db330546b7b5145John McCall/// \brief The injected class name of a C++ class template or class 373231f17ecbef57b5679c017c375db330546b7b5145John McCall/// template partial specialization. Used to record that a type was 373331f17ecbef57b5679c017c375db330546b7b5145John McCall/// spelled with a bare identifier rather than as a template-id; the 373431f17ecbef57b5679c017c375db330546b7b5145John McCall/// equivalent for non-templated classes is just RecordType. 37353cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 373631f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always dependent. Template 373731f17ecbef57b5679c017c375db330546b7b5145John McCall/// instantiation turns these into RecordTypes. 37383cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 373931f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always canonical. This works 374031f17ecbef57b5679c017c375db330546b7b5145John McCall/// because it is impossible to compare an injected class name type 374131f17ecbef57b5679c017c375db330546b7b5145John McCall/// with the corresponding non-injected template type, for the same 374231f17ecbef57b5679c017c375db330546b7b5145John McCall/// reason that it is impossible to directly compare template 374331f17ecbef57b5679c017c375db330546b7b5145John McCall/// parameters from different dependent contexts: injected class name 374431f17ecbef57b5679c017c375db330546b7b5145John McCall/// types can only occur within the scope of a particular templated 374531f17ecbef57b5679c017c375db330546b7b5145John McCall/// declaration, and within that scope every template specialization 374631f17ecbef57b5679c017c375db330546b7b5145John McCall/// will canonicalize to the injected class name (when appropriate 374731f17ecbef57b5679c017c375db330546b7b5145John McCall/// according to the rules of the language). 37483cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallclass InjectedClassNameType : public Type { 37493cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall CXXRecordDecl *Decl; 37503cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 375131f17ecbef57b5679c017c375db330546b7b5145John McCall /// The template specialization which this type represents. 375231f17ecbef57b5679c017c375db330546b7b5145John McCall /// For example, in 375331f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class T> class A { ... }; 375431f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<T>, whereas in 375531f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class X, class Y> class A<B<X,Y> > { ... }; 375631f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<B<X,Y> >. 375731f17ecbef57b5679c017c375db330546b7b5145John McCall /// 375831f17ecbef57b5679c017c375db330546b7b5145John McCall /// It is always unqualified, always a template specialization type, 375931f17ecbef57b5679c017c375db330546b7b5145John McCall /// and always dependent. 376031f17ecbef57b5679c017c375db330546b7b5145John McCall QualType InjectedType; 37613cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 37623cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall friend class ASTContext; // ASTContext creates these. 3763c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; // FIXME: ASTContext::getInjectedClassNameType is not 3764c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl // currently suitable for AST reading, too much 376543921b53b582145f0d1b7c48223bd4d9f0a9d1beArgyrios Kyrtzidis // interdependencies. 376631f17ecbef57b5679c017c375db330546b7b5145John McCall InjectedClassNameType(CXXRecordDecl *D, QualType TST) 376735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(InjectedClassName, QualType(), /*Dependent=*/true, 3768561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 3769ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /*VariablyModified=*/false, 3770d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 377131f17ecbef57b5679c017c375db330546b7b5145John McCall Decl(D), InjectedType(TST) { 37723cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<TemplateSpecializationType>(TST)); 37733cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(!TST.hasQualifiers()); 377431f17ecbef57b5679c017c375db330546b7b5145John McCall assert(TST->isDependentType()); 37753cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 37763cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 37773cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallpublic: 377831f17ecbef57b5679c017c375db330546b7b5145John McCall QualType getInjectedSpecializationType() const { return InjectedType; } 377931f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateSpecializationType *getInjectedTST() const { 378031f17ecbef57b5679c017c375db330546b7b5145John McCall return cast<TemplateSpecializationType>(InjectedType.getTypePtr()); 37813cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 37823cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 3783ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl CXXRecordDecl *getDecl() const; 37843cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 378531f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { return false; } 378631f17ecbef57b5679c017c375db330546b7b5145John McCall QualType desugar() const { return QualType(this, 0); } 37873cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 37883cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const Type *T) { 37893cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return T->getTypeClass() == InjectedClassName; 37903cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 37913cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const InjectedClassNameType *T) { return true; } 37923cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall}; 37933cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 3794465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief The kind of a tag type. 3795465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraenum TagTypeKind { 3796465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "struct" keyword. 3797465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Struct, 3798465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "union" keyword. 3799465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Union, 3800465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword. 3801465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Class, 3802465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "enum" keyword. 3803465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Enum 3804465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 3805465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 38064a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief The elaboration keyword that precedes a qualified type name or 38074a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// introduces an elaborated-type-specifier. 38084a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregorenum ElaboratedTypeKeyword { 38094a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "struct" keyword introduces the elaborated-type-specifier. 38104a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Struct, 38114a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "union" keyword introduces the elaborated-type-specifier. 38124a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Union, 3813465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword introduces the elaborated-type-specifier. 3814465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Class, 38154a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "enum" keyword introduces the elaborated-type-specifier. 3816465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Enum, 3817465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "typename" keyword precedes the qualified type name, e.g., 3818465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \c typename T::type. 3819465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Typename, 3820465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief No keyword precedes the qualified type name. 3821465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_None 38224a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor}; 3823465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3824465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// A helper class for Type nodes having an ElaboratedTypeKeyword. 3825465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The keyword in stored in the free bits of the base class. 3826465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// Also provides a few static helpers for converting and printing 3827465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// elaborated type keyword and tag type kind enumerations. 3828465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass TypeWithKeyword : public Type { 3829465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraprotected: 3830465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TypeWithKeyword(ElaboratedTypeKeyword Keyword, TypeClass tc, 3831ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie QualType Canonical, bool Dependent, 3832ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie bool InstantiationDependent, bool VariablyModified, 3833d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool ContainsUnexpandedParameterPack) 3834ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie : Type(tc, Canonical, Dependent, InstantiationDependent, VariablyModified, 3835d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ContainsUnexpandedParameterPack) { 383677be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall TypeWithKeywordBits.Keyword = Keyword; 383777be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall } 3838465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3839465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnarapublic: 3840465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypeKeyword getKeyword() const { 384177be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall return static_cast<ElaboratedTypeKeyword>(TypeWithKeywordBits.Keyword); 3842465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 3843465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3844465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTypeSpec - Converts a type specifier (DeclSpec::TST) 3845465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into an elaborated type keyword. 3846465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTypeSpec(unsigned TypeSpec); 3847465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3848465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForTypeSpec - Converts a type specifier (DeclSpec::TST) 3849465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into a tag type kind. It is an error to provide a type specifier 3850465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 3851465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForTypeSpec(unsigned TypeSpec); 3852465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3853465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTagDeclKind - Converts a TagTypeKind into an 3854465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// elaborated type keyword. 3855465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTagTypeKind(TagTypeKind Tag); 3856465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3857465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForKeyword - Converts an elaborated type keyword into 3858465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara // a TagTypeKind. It is an error to provide an elaborated type keyword 3859465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 3860465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForKeyword(ElaboratedTypeKeyword Keyword); 3861465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3862465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool KeywordIsTagTypeKind(ElaboratedTypeKeyword Keyword); 3863465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3864465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getKeywordName(ElaboratedTypeKeyword Keyword); 3865465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3866465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getTagTypeKindName(TagTypeKind Kind) { 3867465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getKeywordName(getKeywordForTagTypeKind(Kind)); 3868465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 3869465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3870465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara class CannotCastToThisType {}; 3871465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static CannotCastToThisType classof(const Type *); 3872465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 3873465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3874465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief Represents a type that was referred to using an elaborated type 3875465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// keyword, e.g., struct S, or via a qualified name, e.g., N::M::type, 3876465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// or both. 3877e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// 3878e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// This type is used to keep track of a type name as written in the 3879465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// source code, including tag keywords and any nested-name-specifiers. 3880465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The type itself is always "sugar", used to express what was written 3881465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// in the source code but containing no additional semantic information. 3882465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass ElaboratedType : public TypeWithKeyword, public llvm::FoldingSetNode { 3883465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3884ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The nested name specifier containing the qualifier. 3885ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *NNS; 3886e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3887e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief The type that this qualified name refers to. 3888e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType; 3889e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3890465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 3891465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType, QualType CanonType) 3892465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara : TypeWithKeyword(Keyword, Elaborated, CanonType, 389335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor NamedType->isDependentType(), 3894561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor NamedType->isInstantiationDependentType(), 3895d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor NamedType->isVariablyModifiedType(), 3896d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor NamedType->containsUnexpandedParameterPack()), 3897465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), NamedType(NamedType) { 3898465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!(Keyword == ETK_None && NNS == 0) && 3899465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "ElaboratedType cannot have elaborated type keyword " 3900465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "and name qualifier both null."); 3901465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 3902e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3903e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor friend class ASTContext; // ASTContext creates these 3904e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3905e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregorpublic: 390633500955d731c73717af52088b7fc0e7a85681e7John McCall ~ElaboratedType(); 3907465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3908ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief Retrieve the qualification on this type. 3909ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 3910e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3911e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief Retrieve the type named by the qualified-id. 3912e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType getNamedType() const { return NamedType; } 3913e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3914bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 3915bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getNamedType(); } 3916bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3917bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 3918bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 3919bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3920e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 3921465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, NamedType); 3922e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 3923e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3924465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 3925465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, QualType NamedType) { 3926465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ID.AddInteger(Keyword); 3927ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor ID.AddPointer(NNS); 3928ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NamedType.Profile(ID); 3929ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor } 3930e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 39311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 3932465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return T->getTypeClass() == Elaborated; 3933e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 3934465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool classof(const ElaboratedType *T) { return true; } 3935e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor}; 3936e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 39374a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief Represents a qualified type name for which the type name is 3938ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// dependent. 3939d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor/// 3940ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// DependentNameType represents a class of dependent types that involve a 3941ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// dependent nested-name-specifier (e.g., "T::") followed by a (dependent) 39424a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// name of a type. The DependentNameType may start with a "typename" (for a 3943ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// typename-specifier), "class", "struct", "union", or "enum" (for a 39444a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent elaborated-type-specifier), or nothing (in contexts where we 39454a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// know that we must be referring to a type, e.g., in a base class specifier). 3946465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass DependentNameType : public TypeWithKeyword, public llvm::FoldingSetNode { 3947465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3948d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The nested name specifier containing the qualifier. 3949d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *NNS; 3950d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3951d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The type that this typename specifier refers to. 395233500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 3953d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3954ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie DependentNameType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 39554a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, QualType CanonType) 395635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : TypeWithKeyword(Keyword, DependentName, CanonType, /*Dependent=*/true, 3957561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 3958d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, 3959d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor NNS->containsUnexpandedParameterPack()), 3960465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), Name(Name) { 39611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(NNS->isDependent() && 39624714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor "DependentNameType requires a dependent nested-name-specifier"); 3963d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3964d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3965d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor friend class ASTContext; // ASTContext creates these 3966d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3967d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregorpublic: 3968d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief Retrieve the qualification on this type. 3969d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 3970d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 39711734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// \brief Retrieve the type named by the typename specifier as an 39721734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// identifier. 39731734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// 39741734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// This routine will return a non-NULL identifier pointer when the 39751734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// form of the original typename was terminated by an identifier, 39761734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// e.g., "typename T::type". 39771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const IdentifierInfo *getIdentifier() const { 397833500955d731c73717af52088b7fc0e7a85681e7John McCall return Name; 39791734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 3980d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3981bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3982bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3983bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3984d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 3985465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, Name); 3986d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3987d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 39884a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 398933500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, const IdentifierInfo *Name) { 39904a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ID.AddInteger(Keyword); 3991d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor ID.AddPointer(NNS); 399233500955d731c73717af52088b7fc0e7a85681e7John McCall ID.AddPointer(Name); 3993d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3994d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 39951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 39964714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor return T->getTypeClass() == DependentName; 3997d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 39984714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor static bool classof(const DependentNameType *T) { return true; } 3999d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor}; 4000d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 400133500955d731c73717af52088b7fc0e7a85681e7John McCall/// DependentTemplateSpecializationType - Represents a template 400233500955d731c73717af52088b7fc0e7a85681e7John McCall/// specialization type whose template cannot be resolved, e.g. 400333500955d731c73717af52088b7fc0e7a85681e7John McCall/// A<T>::template B<T> 400433500955d731c73717af52088b7fc0e7a85681e7John McCallclass DependentTemplateSpecializationType : 400533500955d731c73717af52088b7fc0e7a85681e7John McCall public TypeWithKeyword, public llvm::FoldingSetNode { 400633500955d731c73717af52088b7fc0e7a85681e7John McCall 400733500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The nested name specifier containing the qualifier. 400833500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS; 400933500955d731c73717af52088b7fc0e7a85681e7John McCall 401033500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The identifier of the template. 401133500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 401233500955d731c73717af52088b7fc0e7a85681e7John McCall 401333500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief - The number of template arguments named in this class 401433500955d731c73717af52088b7fc0e7a85681e7John McCall /// template specialization. 401533500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs; 401633500955d731c73717af52088b7fc0e7a85681e7John McCall 401733500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgBuffer() const { 401833500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<const TemplateArgument*>(this+1); 401933500955d731c73717af52088b7fc0e7a85681e7John McCall } 402033500955d731c73717af52088b7fc0e7a85681e7John McCall TemplateArgument *getArgBuffer() { 402133500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<TemplateArgument*>(this+1); 402233500955d731c73717af52088b7fc0e7a85681e7John McCall } 402333500955d731c73717af52088b7fc0e7a85681e7John McCall 4024ef99001908e799c388f1363b1e607dad5f5b57d3John McCall DependentTemplateSpecializationType(ElaboratedTypeKeyword Keyword, 402533500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 402633500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 402733500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 402833500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args, 402933500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon); 403033500955d731c73717af52088b7fc0e7a85681e7John McCall 403133500955d731c73717af52088b7fc0e7a85681e7John McCall friend class ASTContext; // ASTContext creates these 403233500955d731c73717af52088b7fc0e7a85681e7John McCall 403333500955d731c73717af52088b7fc0e7a85681e7John McCallpublic: 403433500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *getQualifier() const { return NNS; } 403533500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *getIdentifier() const { return Name; } 403633500955d731c73717af52088b7fc0e7a85681e7John McCall 403733500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the template arguments. 403833500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgs() const { 403933500955d731c73717af52088b7fc0e7a85681e7John McCall return getArgBuffer(); 404033500955d731c73717af52088b7fc0e7a85681e7John McCall } 404133500955d731c73717af52088b7fc0e7a85681e7John McCall 404233500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the number of template arguments. 404333500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned getNumArgs() const { return NumArgs; } 404433500955d731c73717af52088b7fc0e7a85681e7John McCall 404533500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 404633500955d731c73717af52088b7fc0e7a85681e7John McCall 404733500955d731c73717af52088b7fc0e7a85681e7John McCall typedef const TemplateArgument * iterator; 404833500955d731c73717af52088b7fc0e7a85681e7John McCall iterator begin() const { return getArgs(); } 404933500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // inline in TemplateBase.h 405033500955d731c73717af52088b7fc0e7a85681e7John McCall 405133500955d731c73717af52088b7fc0e7a85681e7John McCall bool isSugared() const { return false; } 405233500955d731c73717af52088b7fc0e7a85681e7John McCall QualType desugar() const { return QualType(this, 0); } 405333500955d731c73717af52088b7fc0e7a85681e7John McCall 40544ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context) { 405533500955d731c73717af52088b7fc0e7a85681e7John McCall Profile(ID, Context, getKeyword(), NNS, Name, NumArgs, getArgs()); 405633500955d731c73717af52088b7fc0e7a85681e7John McCall } 405733500955d731c73717af52088b7fc0e7a85681e7John McCall 405833500955d731c73717af52088b7fc0e7a85681e7John McCall static void Profile(llvm::FoldingSetNodeID &ID, 40594ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context, 406033500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 406133500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *Qualifier, 406233500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 406333500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 406433500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args); 406533500955d731c73717af52088b7fc0e7a85681e7John McCall 406633500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const Type *T) { 406733500955d731c73717af52088b7fc0e7a85681e7John McCall return T->getTypeClass() == DependentTemplateSpecialization; 406833500955d731c73717af52088b7fc0e7a85681e7John McCall } 406933500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const DependentTemplateSpecializationType *T) { 407033500955d731c73717af52088b7fc0e7a85681e7John McCall return true; 4071ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 407233500955d731c73717af52088b7fc0e7a85681e7John McCall}; 407333500955d731c73717af52088b7fc0e7a85681e7John McCall 40747536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// \brief Represents a pack expansion of types. 40757536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 40767536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// Pack expansions are part of C++0x variadic templates. A pack 40777536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// expansion contains a pattern, which itself contains one or more 40787536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// "unexpanded" parameter packs. When instantiated, a pack expansion 40797536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// produces a series of types, each instantiated from the pattern of 40807536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// the expansion, where the Ith instantiation of the pattern uses the 40817536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// Ith arguments bound to each of the unexpanded parameter packs. The 40827536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// pack expansion is considered to "expand" these unexpanded 40837536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// parameter packs. 40847536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 40857536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// \code 40867536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// template<typename ...Types> struct tuple; 40877536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 4088ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie/// template<typename ...Types> 40897536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// struct tuple_of_references { 40907536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// typedef tuple<Types&...> type; 40917536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// }; 40927536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// \endcode 40937536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 40947536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// Here, the pack expansion \c Types&... is represented via a 40957536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// PackExpansionType whose pattern is Types&. 40967536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregorclass PackExpansionType : public Type, public llvm::FoldingSetNode { 40977536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// \brief The pattern of the pack expansion. 40987536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType Pattern; 40997536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 4100cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// \brief The number of expansions that this pack expansion will 4101ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// generate when substituted (+1), or indicates that 4102cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// 4103ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// This field will only have a non-zero value when some of the parameter 4104ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie /// packs that occur within the pattern have been substituted but others have 4105cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// not. 4106cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor unsigned NumExpansions; 4107ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 4108cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor PackExpansionType(QualType Pattern, QualType Canon, 4109cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> NumExpansions) 41107536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor : Type(PackExpansion, Canon, /*Dependent=*/true, 4111561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor /*InstantiationDependent=*/true, 41127536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /*VariableModified=*/Pattern->isVariablyModifiedType(), 41137536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 4114ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie Pattern(Pattern), 4115cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor NumExpansions(NumExpansions? *NumExpansions + 1: 0) { } 41167536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 41177536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor friend class ASTContext; // ASTContext creates these 4118ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 41197536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregorpublic: 41207536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// \brief Retrieve the pattern of this pack expansion, which is the 41217536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// type that will be repeatedly instantiated when instantiating the 41227536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// pack expansion itself. 41237536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType getPattern() const { return Pattern; } 41247536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 4125cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// \brief Retrieve the number of expansions that this pack expansion will 4126cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// generate, if known. 4127cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> getNumExpansions() const { 4128cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor if (NumExpansions) 4129cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor return NumExpansions - 1; 4130ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 4131cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor return llvm::Optional<unsigned>(); 4132cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor } 4133ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 41347536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor bool isSugared() const { return false; } 41357536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType desugar() const { return QualType(this, 0); } 41367536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 41377536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 4138cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor Profile(ID, getPattern(), getNumExpansions()); 41397536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 41407536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 4141cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, QualType Pattern, 4142cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> NumExpansions) { 41437536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor ID.AddPointer(Pattern.getAsOpaquePtr()); 4144cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor ID.AddBoolean(NumExpansions); 4145cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor if (NumExpansions) 4146cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor ID.AddInteger(*NumExpansions); 41477536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 41487536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 41497536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor static bool classof(const Type *T) { 41507536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return T->getTypeClass() == PackExpansion; 41517536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 41527536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor static bool classof(const PackExpansionType *T) { 41537536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return true; 4154ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie } 41557536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor}; 41567536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 4157c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectType - Represents a class type in Objective C. 4158c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Every Objective C type is a combination of a base type and a 4159c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// list of protocols. 4160c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 4161c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Given the following declarations: 4162c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @class C; 4163c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @protocol P; 4164c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 4165c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C' is an ObjCInterfaceType C. It is sugar for an ObjCObjectType 4166c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// with base C and no protocols. 4167c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 4168c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C<P>' is an ObjCObjectType with base C and protocol list [P]. 4169c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 4170e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id' is a TypedefType which is sugar for an ObjCPointerType whose 4171e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// pointee is an ObjCObjectType with base BuiltinType::ObjCIdType 4172e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// and no protocols. 4173c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 4174e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id<P>' is an ObjCPointerType whose pointee is an ObjCObjecType 4175e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// with base BuiltinType::ObjCIdType and protocol list [P]. Eventually 4176e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// this should get its own sugar class to better represent the source. 4177c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectType : public Type { 4178b870b88df784c2940efce448ebfaf54dece14666John McCall // ObjCObjectType.NumProtocols - the number of protocols stored 4179b870b88df784c2940efce448ebfaf54dece14666John McCall // after the ObjCObjectPointerType node. 418071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // 418171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // These protocols are those written directly on the type. If 418271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // protocol qualifiers ever become additive, the iterators will need 418371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // to get kindof complicated. 418471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // 418571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // In the canonical object type, these are sorted alphabetically 418671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // and uniqued. 4187c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 4188c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Either a BuiltinType or an InterfaceType or sugar for either. 4189c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType BaseType; 4190c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4191c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *getProtocolStorage() const { 4192c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return const_cast<ObjCObjectType*>(this)->getProtocolStorage(); 4193c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4194c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4195c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl **getProtocolStorage(); 4196c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4197c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallprotected: 4198ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ObjCObjectType(QualType Canonical, QualType Base, 4199c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, unsigned NumProtocols); 4200c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4201c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum Nonce_ObjCInterface { Nonce_ObjCInterface }; 4202c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(enum Nonce_ObjCInterface) 4203561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(ObjCInterface, QualType(), false, false, false, false), 420471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall BaseType(QualType(this_(), 0)) { 4205b870b88df784c2940efce448ebfaf54dece14666John McCall ObjCObjectTypeBits.NumProtocols = 0; 420671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 4207c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 42083536b443bc50d58a79f14fca9b6842541a434854Steve Naroffpublic: 4209e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getBaseType - Gets the base type of this object type. This is 4210e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// always (possibly sugar for) one of: 4211e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'id' builtin type (as opposed to the 'id' type visible to the 4212e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user, which is a typedef for an ObjCPointerType) 4213e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'Class' builtin type (same caveat) 4214e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - an ObjCObjectType (currently always an ObjCInterfaceType) 4215c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType getBaseType() const { return BaseType; } 421671842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek 4217c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCId() const { 4218c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCId); 4219c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4220c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCClass() const { 4221c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCClass); 4222c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4223c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedId() const { return qual_empty() && isObjCId(); } 4224c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedClass() const { return qual_empty() && isObjCClass(); } 4225c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedIdOrClass() const { 4226c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!qual_empty()) return false; 4227c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const BuiltinType *T = getBaseType()->getAs<BuiltinType>()) 4228c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getKind() == BuiltinType::ObjCId || 4229c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getKind() == BuiltinType::ObjCClass; 4230c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return false; 4231c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4232c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedId() const { return !qual_empty() && isObjCId(); } 4233c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedClass() const { return !qual_empty() && isObjCClass(); } 4234c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4235c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Gets the interface declaration for this object type, if the base type 4236c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// really is an interface. 4237c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *getInterface() const; 4238c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4239c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCProtocolDecl * const *qual_iterator; 4240c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4241c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_begin() const { return getProtocolStorage(); } 4242c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { return qual_begin() + getNumProtocols(); } 4243c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4244c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getNumProtocols() == 0; } 42451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4246c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// getNumProtocols - Return the number of qualifying protocols in this 4247c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// interface type, or 0 if there are none. 4248b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getNumProtocols() const { return ObjCObjectTypeBits.NumProtocols; } 424914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4250c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// \brief Fetch a protocol by index. 425173dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 425273dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor assert(I < getNumProtocols() && "Out-of-range protocol access"); 425373dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor return qual_begin()[I]; 425473dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 4255ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 4256bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 4257bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 4258bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 4259c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const Type *T) { 4260c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getTypeClass() == ObjCObject || 4261c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getTypeClass() == ObjCInterface; 4262c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4263c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const ObjCObjectType *) { return true; } 4264c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 4265c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4266c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectTypeImpl - A class providing a concrete implementation 4267c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// of ObjCObjectType, so as to not increase the footprint of 4268c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType. Code outside of ASTContext and the core type 4269c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// system should not reference this type. 4270c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectTypeImpl : public ObjCObjectType, public llvm::FoldingSetNode { 4271c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; 4272c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4273c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If anyone adds fields here, ObjCObjectType::getProtocolStorage() 4274c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // will need to be modified. 4275c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4276ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ObjCObjectTypeImpl(QualType Canonical, QualType Base, 4277c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 4278c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols) 4279c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Canonical, Base, Protocols, NumProtocols) {} 4280c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4281c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 4282c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff void Profile(llvm::FoldingSetNodeID &ID); 42831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, 4284c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Base, 4285ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie ObjCProtocolDecl *const *protocols, 4286ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie unsigned NumProtocols); 4287c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 42881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4289c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCProtocolDecl **ObjCObjectType::getProtocolStorage() { 4290c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return reinterpret_cast<ObjCProtocolDecl**>( 4291c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static_cast<ObjCObjectTypeImpl*>(this) + 1); 4292c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 4293c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4294c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType - Interfaces are the core concept in Objective-C for 4295c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// object oriented design. They basically correspond to C++ classes. There 4296c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// are two kinds of interface types, normal interfaces like "NSString" and 4297c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// qualified interfaces, which are qualified with a protocol list like 4298c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// "NSString<NSCopyable, NSAmazing>". 4299e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 4300e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCInterfaceType guarantees the following properties when considered 4301e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// as a subtype of its superclass, ObjCObjectType: 4302e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - There are no protocol qualifiers. To reinforce this, code which 4303e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// tries to invoke the protocol methods via an ObjCInterfaceType will 4304e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// fail to compile. 4305e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - It is its own base type. That is, if T is an ObjCInterfaceType*, 4306e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// T->getBaseType() == QualType(T, 0). 4307c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCInterfaceType : public ObjCObjectType { 43088d2dbbf9ddfd9d762a341d83f83d840ff68ce03dDouglas Gregor mutable ObjCInterfaceDecl *Decl; 4309c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4310c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceType(const ObjCInterfaceDecl *D) 4311c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Nonce_ObjCInterface), 4312c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Decl(const_cast<ObjCInterfaceDecl*>(D)) {} 4313c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; // ASTContext creates these. 431456ca8a9c0fabd65418e9b2fd85140f4ed7d3c187Douglas Gregor friend class ASTReader; 43158d2dbbf9ddfd9d762a341d83f83d840ff68ce03dDouglas Gregor friend class ObjCInterfaceDecl; 43161fb0caaa7bef765b85972274e3b434af2572c141John McCall 4317c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 4318e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getDecl - Get the declaration of this interface. 4319deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceDecl *getDecl() const { return Decl; } 4320c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4321c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isSugared() const { return false; } 4322c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType desugar() const { return QualType(this, 0); } 43230b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 43241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 43251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCInterface; 43263536b443bc50d58a79f14fca9b6842541a434854Steve Naroff } 4327a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCInterfaceType *) { return true; } 4328c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4329c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Nonsense to "hide" certain members of ObjCObjectType within this 4330c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // class. People asking for protocols on an ObjCInterfaceType are 4331c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // not going to get what they want: ObjCInterfaceTypes are 4332c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // guaranteed to have no protocols. 4333c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum { 4334c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator, 4335c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_begin, 4336c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_end, 4337c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getNumProtocols, 4338c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getProtocol 4339c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall }; 43403536b443bc50d58a79f14fca9b6842541a434854Steve Naroff}; 43413536b443bc50d58a79f14fca9b6842541a434854Steve Naroff 4342c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCInterfaceDecl *ObjCObjectType::getInterface() const { 4343c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCInterfaceType *T = 4344c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getBaseType()->getAs<ObjCInterfaceType>()) 4345c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getDecl(); 4346c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return 0; 4347c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 4348c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4349e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCObjectPointerType - Used to represent a pointer to an 4350e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Objective C object. These are constructed from pointer 4351e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// declarators when the pointee type is an ObjCObjectType (or sugar 4352e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for one). In addition, the 'id' and 'Class' types are typedefs 4353e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for these, and the protocol-qualified types 'id<P>' and 'Class<P>' 4354e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// are translated into these. 435514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff/// 4356e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Pointers to pointers to Objective C objects are still PointerTypes; 4357e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// only the first level of pointer gets it own type implementation. 435814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffclass ObjCObjectPointerType : public Type, public llvm::FoldingSetNode { 4359e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall QualType PointeeType; 43601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4361c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType(QualType Canonical, QualType Pointee) 4362561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor : Type(ObjCObjectPointer, Canonical, false, false, false, false), 4363c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall PointeeType(Pointee) {} 436414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff friend class ASTContext; // ASTContext creates these. 43651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 436614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffpublic: 4367e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getPointeeType - Gets the type pointed to by this ObjC pointer. 4368e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The result will always be an ObjCObjectType or sugar thereof. 436914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const { return PointeeType; } 437014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4371e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getObjCObjectType - Gets the type pointed to by this ObjC 4372e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// pointer. This method always returns non-null. 4373e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 4374e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// This method is equivalent to getPointeeType() except that 4375e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// it discards any typedefs (or other sugar) between this 4376e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type and the "outermost" object type. So for: 4377e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @class A; @protocol P; @protocol Q; 4378e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A<P> AP; 4379e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A A1; 4380e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1<P> A1P; 4381e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1P<Q> A1PQ; 4382e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A*', getObjectType() will return 'A'. 4383e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A<P>*', getObjectType() will return 'A<P>'. 4384e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'AP*', getObjectType() will return 'A<P>'. 4385e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1*', getObjectType() will return 'A'. 4386e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1<P>*', getObjectType() will return 'A1<P>'. 4387e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1P*', getObjectType() will return 'A1<P>'. 4388e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1PQ*', getObjectType() will return 'A1<Q>', because 4389e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// adding protocols to a protocol-qualified base discards the 4390e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// old qualifiers (for now). But if it didn't, getObjectType() 4391e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// would return 'A1P<Q>' (and we'd have to make iterating over 4392e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers more complicated). 4393c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getObjectType() const { 4394d0370f59e79702ac908c81bf556519f91e9ca297John McCall return PointeeType->castAs<ObjCObjectType>(); 4395c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 4396c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4397e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceType - If this pointer points to an Objective C 4398e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @interface type, gets the type for that interface. Any protocol 4399e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers on the interface are ignored. 4400e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 4401e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 44021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCInterfaceType *getInterfaceType() const { 4403c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getBaseType()->getAs<ObjCInterfaceType>(); 440414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4405e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4406e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceDecl - If this pointer points to an Objective @interface 4407e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type, gets the declaration for that interface. 4408e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 4409e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 441014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ObjCInterfaceDecl *getInterfaceDecl() const { 4411e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall return getObjectType()->getInterface(); 441214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4413e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4414e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCIdType - True if this is equivalent to the 'id' type, i.e. if 4415e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// its object type is the primitive 'id' type with no protocols. 441614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const { 4417c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedId(); 441814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4419e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4420e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCClassType - True if this is equivalent to the 'Class' type, 4421e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// i.e. if its object tive is the primitive 'Class' type with no protocols. 442214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const { 4423c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedClass(); 4424de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 4425ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 4426e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedIdType - True if this is equivalent to 'id<P>' for some 4427e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// non-empty set of protocols. 44281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isObjCQualifiedIdType() const { 4429c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedId(); 4430de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 4431e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4432e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedClassType - True if this is equivalent to 'Class<P>' for 4433e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// some non-empty set of protocols. 4434470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const { 4435c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedClass(); 443614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4437e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 4438e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// An iterator over the qualifiers on the object type. Provided 4439e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// for convenience. This will always iterate over the full set of 4440e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// protocols on a type, not just those provided directly. 4441c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCObjectType::qual_iterator qual_iterator; 444214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 444371842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek qual_iterator qual_begin() const { 4444c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_begin(); 444571842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 4446c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { 4447c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_end(); 444871842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 4449c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getObjectType()->qual_empty(); } 445014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4451e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getNumProtocols - Return the number of qualifying protocols on 4452e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// the object type. 4453c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned getNumProtocols() const { 4454c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getNumProtocols(); 4455c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 445614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4457e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \brief Retrieve a qualifying protocol by index on the object 4458e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type. 445973dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 4460c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getProtocol(I); 446173dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 4462ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 4463bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 4464bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 4465bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 4466e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall void Profile(llvm::FoldingSetNodeID &ID) { 4467e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall Profile(ID, getPointeeType()); 4468e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall } 4469c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, QualType T) { 4470c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ID.AddPointer(T.getAsOpaquePtr()); 4471c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 44721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 44731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCObjectPointer; 447414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 447514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff static bool classof(const ObjCObjectPointerType *) { return true; } 447614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff}; 44771bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 4478b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedmanclass AtomicType : public Type, public llvm::FoldingSetNode { 4479b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman QualType ValueType; 4480b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 4481b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman AtomicType(QualType ValTy, QualType Canonical) 4482b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman : Type(Atomic, Canonical, ValTy->isDependentType(), 4483b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman ValTy->isInstantiationDependentType(), 4484b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman ValTy->isVariablyModifiedType(), 4485b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman ValTy->containsUnexpandedParameterPack()), 4486b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman ValueType(ValTy) {} 4487b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman friend class ASTContext; // ASTContext creates these. 4488b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 4489b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman public: 4490b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman /// getValueType - Gets the type contained by this atomic type, i.e. 4491b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman /// the type returned by performing an atomic load of this atomic type. 4492b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman QualType getValueType() const { return ValueType; } 4493b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 4494b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman bool isSugared() const { return false; } 4495b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman QualType desugar() const { return QualType(this, 0); } 4496b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 4497b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman void Profile(llvm::FoldingSetNodeID &ID) { 4498b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman Profile(ID, getValueType()); 4499b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 4500b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman static void Profile(llvm::FoldingSetNodeID &ID, QualType T) { 4501b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman ID.AddPointer(T.getAsOpaquePtr()); 4502b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 4503b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman static bool classof(const Type *T) { 4504b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman return T->getTypeClass() == Atomic; 4505b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 4506b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman static bool classof(const AtomicType *) { return true; } 4507b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman}; 4508b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 45090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// A qualifier set is used to build a set of qualifiers. 45100953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualifierCollector : public Qualifiers { 45110953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 451249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualifierCollector(Qualifiers Qs = Qualifiers()) : Qualifiers(Qs) {} 45130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 45140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Collect any qualifiers on the given type and return an 45153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// unqualified type. The qualifiers are assumed to be consistent 45163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// with those already in the type. 45173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *strip(QualType type) { 45183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall addFastQualifiers(type.getLocalFastQualifiers()); 45193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!type.hasLocalNonFastQualifiers()) 45203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return type.getTypePtrUnsafe(); 4521ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 45223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ExtQuals *extQuals = type.getExtQualsUnsafe(); 45233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall addConsistentQualifiers(extQuals->getQualifiers()); 45243b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return extQuals->getBaseType(); 45250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 45260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 45270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 45284ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType apply(const ASTContext &Context, QualType QT) const; 45290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 45300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 45314ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType apply(const ASTContext &Context, const Type* T) const; 45320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 45330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 45340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4535611c1fff195d32df97706e0920c92468b2509900Chris Lattner// Inline function definitions. 45365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4537200fa53fd420aa8369586f569dbece04930ad6a3John McCallinline SplitQualType SplitQualType::getSingleStepDesugaredType() const { 4538200fa53fd420aa8369586f569dbece04930ad6a3John McCall SplitQualType desugar = 4539200fa53fd420aa8369586f569dbece04930ad6a3John McCall Ty->getLocallyUnqualifiedSingleStepDesugaredType().split(); 4540200fa53fd420aa8369586f569dbece04930ad6a3John McCall desugar.Quals.addConsistentQualifiers(Quals); 4541200fa53fd420aa8369586f569dbece04930ad6a3John McCall return desugar; 4542200fa53fd420aa8369586f569dbece04930ad6a3John McCall} 4543200fa53fd420aa8369586f569dbece04930ad6a3John McCall 45443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline const Type *QualType::getTypePtr() const { 45453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getCommonPtr()->BaseType; 45463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 45473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 45483b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline const Type *QualType::getTypePtrOrNull() const { 45493b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return (isNull() ? 0 : getCommonPtr()->BaseType); 45503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 45513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 45523b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline SplitQualType QualType::split() const { 45533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!hasLocalNonFastQualifiers()) 45543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return SplitQualType(getTypePtrUnsafe(), 45553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers::fromFastMask(getLocalFastQualifiers())); 45563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 45573b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ExtQuals *eq = getExtQualsUnsafe(); 45583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs = eq->getQualifiers(); 45593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall qs.addFastQualifiers(getLocalFastQualifiers()); 45603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return SplitQualType(eq->getBaseType(), qs); 45613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 45623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 45633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline Qualifiers QualType::getLocalQualifiers() const { 45643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers Quals; 45653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (hasLocalNonFastQualifiers()) 45663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals = getExtQualsUnsafe()->getQualifiers(); 45673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals.addFastQualifiers(getLocalFastQualifiers()); 45683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return Quals; 45693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 45703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 45713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline Qualifiers QualType::getQualifiers() const { 45723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers quals = getCommonPtr()->CanonicalType.getLocalQualifiers(); 45733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall quals.addFastQualifiers(getLocalFastQualifiers()); 45743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return quals; 45753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 45763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 45773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline unsigned QualType::getCVRQualifiers() const { 45783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned cvr = getCommonPtr()->CanonicalType.getLocalCVRQualifiers(); 45793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall cvr |= getLocalCVRQualifiers(); 45803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return cvr; 45813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 45823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 45833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline QualType QualType::getCanonicalType() const { 45843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon = getCommonPtr()->CanonicalType; 45853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return canon.withFastQualifiers(getLocalFastQualifiers()); 45863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 45873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 4588467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCallinline bool QualType::isCanonical() const { 45893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getTypePtr()->isCanonicalUnqualified(); 4590467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall} 4591467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 459254e14c4db764c0636160d26c5bbf491637c83a76John McCallinline bool QualType::isCanonicalAsParam() const { 45933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!isCanonical()) return false; 4594a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalQualifiers()) return false; 4595ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 459654e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *T = getTypePtr(); 45973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (T->isVariablyModifiedType() && T->hasSizedVLAType()) 45983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return false; 45993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 46003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return !isa<FunctionType>(T) && !isa<ArrayType>(T); 460154e14c4db764c0636160d26c5bbf491637c83a76John McCall} 460254e14c4db764c0636160d26c5bbf491637c83a76John McCall 4603fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isConstQualified() const { 4604ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return isLocalConstQualified() || 46053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.isLocalConstQualified(); 4606fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4607fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4608fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isRestrictQualified() const { 4609ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return isLocalRestrictQualified() || 46103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.isLocalRestrictQualified(); 4611fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4612fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4613fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4614fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isVolatileQualified() const { 4615ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return isLocalVolatileQualified() || 46163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.isLocalVolatileQualified(); 4617fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4618ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 4619fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::hasQualifiers() const { 4620fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return hasLocalQualifiers() || 46213b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.hasLocalQualifiers(); 4622fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 462362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 462462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline QualType QualType::getUnqualifiedType() const { 462562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall if (!getTypePtr()->getCanonicalTypeInternal().hasLocalQualifiers()) 462662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(getTypePtr(), 0); 462762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 4628200fa53fd420aa8369586f569dbece04930ad6a3John McCall return QualType(getSplitUnqualifiedTypeImpl(*this).Ty, 0); 462962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall} 463062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 463162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline SplitQualType QualType::getSplitUnqualifiedType() const { 463262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall if (!getTypePtr()->getCanonicalTypeInternal().hasLocalQualifiers()) 463362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return split(); 463462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 463562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getSplitUnqualifiedTypeImpl(*this); 4636fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4637ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 463849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalConst() { 463949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Const); 46400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 46410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 464249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalRestrict() { 464349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Restrict); 46440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 46450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 464649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalVolatile() { 464749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Volatile); 46480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 46490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 465049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalCVRQualifiers(unsigned Mask) { 46516b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall assert(!(Mask & ~Qualifiers::CVRMask) && "mask has non-CVR bits"); 4652c3c0af36bac3d71f61dd758585ab307892545de4Douglas Gregor assert((int)Qualifiers::CVRMask == (int)Qualifiers::FastMask); 46530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 46540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast path: we don't need to touch the slow qualifiers. 465549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Mask); 4656ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 4657ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 4658ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb/// getAddressSpace - Return the address space of this type. 4659ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lambinline unsigned QualType::getAddressSpace() const { 46603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getQualifiers().getAddressSpace(); 4661ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 4662611c1fff195d32df97706e0920c92468b2509900Chris Lattner 4663d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian/// getObjCGCAttr - Return the gc attribute of this type. 46640953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline Qualifiers::GC QualType::getObjCGCAttr() const { 46653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getQualifiers().getObjCGCAttr(); 4666d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 46672455636163fdd18581d7fdae816433f886d88213Mike Stump 4668264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(const Type &t) { 4669264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola if (const PointerType *PT = t.getAs<PointerType>()) { 4670183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const FunctionType *FT = PT->getPointeeType()->getAs<FunctionType>()) 4671264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 4672264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } else if (const FunctionType *FT = t.getAs<FunctionType>()) 4673264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 46742455636163fdd18581d7fdae816433f886d88213Mike Stump 4675264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FunctionType::ExtInfo(); 46762455636163fdd18581d7fdae816433f886d88213Mike Stump} 46771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4678264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(QualType t) { 4679264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getFunctionExtInfo(*t); 4680ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 4681ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 4682e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isMoreQualifiedThan - Determine whether this type is more 4683e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// qualified than the Other type. For example, "const volatile int" 4684e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// is more qualified than "const int", "volatile int", and 4685e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int". However, it is not more qualified than "const volatile 4686e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int". 468762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline bool QualType::isMoreQualifiedThan(QualType other) const { 468862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Qualifiers myQuals = getQualifiers(); 468962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Qualifiers otherQuals = other.getQualifiers(); 469062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return (myQuals != otherQuals && myQuals.compatiblyIncludes(otherQuals)); 4691e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 4692e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 4693e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isAtLeastAsQualifiedAs - Determine whether this type is at last 4694e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// as qualified as the Other type. For example, "const volatile 4695e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int" is at least as qualified as "const int", "volatile int", 4696e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int", and "const volatile int". 469762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline bool QualType::isAtLeastAsQualifiedAs(QualType other) const { 469862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getQualifiers().compatiblyIncludes(other.getQualifiers()); 4699e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 4700e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 4701e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// getNonReferenceType - If Type is a reference type (e.g., const 4702e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int&), returns the type that the reference refers to ("const 4703e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int"). Otherwise, returns the type itself. This routine is used 4704e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// throughout Sema to implement C++ 5p6: 4705e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 4706e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// If an expression initially has the type "reference to T" (8.3.2, 4707e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 8.5.3), the type is adjusted to "T" prior to any further 4708e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// analysis, the expression designates the object or function 4709e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// denoted by the reference, and the expression is an lvalue. 4710e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline QualType QualType::getNonReferenceType() const { 47116217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType *RefType = (*this)->getAs<ReferenceType>()) 4712e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return RefType->getPointeeType(); 4713e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor else 4714e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return *this; 4715e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 4716e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 47172b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregorinline bool QualType::isCForbiddenLValueType() const { 47182b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor return ((getTypePtr()->isVoidType() && !hasQualifiers()) || 47192b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor getTypePtr()->isFunctionType()); 47202b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor} 47212b1ad8b42bbbe00a1845e566f52f1941b8dbc725Douglas Gregor 4722aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// \brief Tests whether the type is categorized as a fundamental type. 4723aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// 4724aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// \returns True for types specified in C++0x [basic.fundamental]. 4725aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruthinline bool Type::isFundamentalType() const { 4726aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth return isVoidType() || 4727aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // FIXME: It's really annoying that we don't have an 4728aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // 'isArithmeticType()' which agrees with the standard definition. 4729aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth (isArithmeticType() && !isEnumeralType()); 4730aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth} 4731aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth 4732aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// \brief Tests whether the type is categorized as a compound type. 4733aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// 4734aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth/// \returns True for types specified in C++0x [basic.compound]. 4735aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruthinline bool Type::isCompoundType() const { 4736aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // C++0x [basic.compound]p1: 4737aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // Compound types can be constructed in the following ways: 4738aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- arrays of objects of a given type [...]; 4739aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth return isArrayType() || 4740aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- functions, which have parameters of given types [...]; 4741aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isFunctionType() || 4742aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- pointers to void or objects or functions [...]; 4743aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isPointerType() || 4744aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- references to objects or functions of a given type. [...] 4745aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isReferenceType() || 4746aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- classes containing a sequence of objects of various types, [...]; 4747aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isRecordType() || 4748ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie // -- unions, which are classes capable of containing objects of different 4749ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie // types at different times; 4750aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isUnionType() || 4751aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- enumerations, which comprise a set of named constant values. [...]; 4752aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isEnumeralType() || 4753aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth // -- pointers to non-static class members, [...]. 4754aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth isMemberPointerType(); 4755aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth} 4756aaf147be3cc7403d8f7889d363421bb291ef23f2Chandler Carruth 4757611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isFunctionType() const { 4758a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<FunctionType>(CanonicalType); 4759611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4760611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isPointerType() const { 4761a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<PointerType>(CanonicalType); 4762611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 476358f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroffinline bool Type::isAnyPointerType() const { 476458f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff return isPointerType() || isObjCObjectPointerType(); 476558f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff} 47665618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffinline bool Type::isBlockPointerType() const { 4767a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<BlockPointerType>(CanonicalType); 47685618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 4769bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattnerinline bool Type::isReferenceType() const { 4770a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ReferenceType>(CanonicalType); 4771bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner} 47727c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isLValueReferenceType() const { 4773a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<LValueReferenceType>(CanonicalType); 47747c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 47757c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isRValueReferenceType() const { 4776a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RValueReferenceType>(CanonicalType); 47777c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 4778498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenekinline bool Type::isFunctionPointerType() const { 4779d0370f59e79702ac908c81bf556519f91e9ca297John McCall if (const PointerType *T = getAs<PointerType>()) 4780498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return T->getPointeeType()->isFunctionType(); 4781498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek else 4782498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return false; 4783498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek} 4784f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberPointerType() const { 4785a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<MemberPointerType>(CanonicalType); 4786f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 4787f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberFunctionPointerType() const { 47886217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const MemberPointerType* T = getAs<MemberPointerType>()) 47890bab0cdab751248ca389a5592bcb70eac5d39260John McCall return T->isMemberFunctionPointer(); 4790f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl else 4791f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return false; 4792f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 4793db68e28c05a67735211e688009890cf834c22e75Douglas Gregorinline bool Type::isMemberDataPointerType() const { 4794db68e28c05a67735211e688009890cf834c22e75Douglas Gregor if (const MemberPointerType* T = getAs<MemberPointerType>()) 47950bab0cdab751248ca389a5592bcb70eac5d39260John McCall return T->isMemberDataPointer(); 4796db68e28c05a67735211e688009890cf834c22e75Douglas Gregor else 4797db68e28c05a67735211e688009890cf834c22e75Douglas Gregor return false; 4798db68e28c05a67735211e688009890cf834c22e75Douglas Gregor} 4799611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isArrayType() const { 4800a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ArrayType>(CanonicalType); 4801611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4802c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isConstantArrayType() const { 4803a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ConstantArrayType>(CanonicalType); 4804c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 4805c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isIncompleteArrayType() const { 4806a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<IncompleteArrayType>(CanonicalType); 4807c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 4808c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isVariableArrayType() const { 4809a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VariableArrayType>(CanonicalType); 4810c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 4811898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorinline bool Type::isDependentSizedArrayType() const { 4812a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<DependentSizedArrayType>(CanonicalType); 4813898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 48143ff83dd534ccc828203670ce3f5125a4eb4199f8John McCallinline bool Type::isBuiltinType() const { 48153ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall return isa<BuiltinType>(CanonicalType); 48163ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall} 4817611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isRecordType() const { 4818a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RecordType>(CanonicalType); 4819611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 48203ff83dd534ccc828203670ce3f5125a4eb4199f8John McCallinline bool Type::isEnumeralType() const { 48213ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall return isa<EnumType>(CanonicalType); 48223ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall} 4823f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattnerinline bool Type::isAnyComplexType() const { 4824a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ComplexType>(CanonicalType); 4825f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner} 4826611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isVectorType() const { 4827a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VectorType>(CanonicalType); 4828611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4829213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemaninline bool Type::isExtVectorType() const { 4830a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ExtVectorType>(CanonicalType); 4831611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4832d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroffinline bool Type::isObjCObjectPointerType() const { 4833a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ObjCObjectPointerType>(CanonicalType); 4834d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 4835c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline bool Type::isObjCObjectType() const { 4836c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isa<ObjCObjectType>(CanonicalType); 4837368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner} 4838569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorinline bool Type::isObjCObjectOrInterfaceType() const { 4839ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie return isa<ObjCInterfaceType>(CanonicalType) || 4840569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor isa<ObjCObjectType>(CanonicalType); 4841569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 4842b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedmaninline bool Type::isAtomicType() const { 4843b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman return isa<AtomicType>(CanonicalType); 4844b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman} 4845569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 4846a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekinline bool Type::isObjCQualifiedIdType() const { 4847183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 4848d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return OPT->isObjCQualifiedIdType(); 4849d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return false; 4850d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian} 4851470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroffinline bool Type::isObjCQualifiedClassType() const { 4852183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 4853470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return OPT->isObjCQualifiedClassType(); 4854470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return false; 4855470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff} 485614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCIdType() const { 4857183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 485814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCIdType(); 485914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 486014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 486114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCClassType() const { 4862183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 486314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCClassType(); 486414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 486514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 486613dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanianinline bool Type::isObjCSelType() const { 48678d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (const PointerType *OPT = getAs<PointerType>()) 48688d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return OPT->getPointeeType()->isSpecificBuiltinType(BuiltinType::ObjCSel); 486913dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return false; 487013dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian} 4871de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroffinline bool Type::isObjCBuiltinType() const { 487213dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return isObjCIdType() || isObjCClassType() || isObjCSelType(); 4873de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff} 487472c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregorinline bool Type::isTemplateTypeParmType() const { 4875a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<TemplateTypeParmType>(CanonicalType); 487672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor} 487772c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 4878e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbarinline bool Type::isSpecificBuiltinType(unsigned K) const { 4879183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = getAs<BuiltinType>()) 4880e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar if (BT->getKind() == (BuiltinType::Kind) K) 4881e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return true; 4882e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return false; 4883e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar} 4884e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 48852a984cad5ac3fdceeff2bd99daa7b90979313475John McCallinline bool Type::isPlaceholderType() const { 4886a180f04c091bf3ede4fe292ba6a29d61da09e936John McCall if (const BuiltinType *BT = dyn_cast<BuiltinType>(this)) 48872a984cad5ac3fdceeff2bd99daa7b90979313475John McCall return BT->isPlaceholderType(); 48882a984cad5ac3fdceeff2bd99daa7b90979313475John McCall return false; 48892a984cad5ac3fdceeff2bd99daa7b90979313475John McCall} 48902a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 4891a180f04c091bf3ede4fe292ba6a29d61da09e936John McCallinline const BuiltinType *Type::getAsPlaceholderType() const { 4892a180f04c091bf3ede4fe292ba6a29d61da09e936John McCall if (const BuiltinType *BT = dyn_cast<BuiltinType>(this)) 4893a180f04c091bf3ede4fe292ba6a29d61da09e936John McCall if (BT->isPlaceholderType()) 4894a180f04c091bf3ede4fe292ba6a29d61da09e936John McCall return BT; 4895a180f04c091bf3ede4fe292ba6a29d61da09e936John McCall return 0; 4896a180f04c091bf3ede4fe292ba6a29d61da09e936John McCall} 4897a180f04c091bf3ede4fe292ba6a29d61da09e936John McCall 4898864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCallinline bool Type::isSpecificPlaceholderType(unsigned K) const { 489985def357129b6cdfd69a66ad0e6994506418a2a9John McCall assert(BuiltinType::isPlaceholderTypeKind((BuiltinType::Kind) K)); 4900864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall if (const BuiltinType *BT = dyn_cast<BuiltinType>(this)) 4901864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall return (BT->getKind() == (BuiltinType::Kind) K); 4902864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall return false; 4903864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall} 4904864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 490532509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCallinline bool Type::isNonOverloadPlaceholderType() const { 490632509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall if (const BuiltinType *BT = dyn_cast<BuiltinType>(this)) 490732509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall return BT->isNonOverloadPlaceholderType(); 490832509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall return false; 490932509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall} 491032509f1e60451d86e9fbc473b6e853ba10b5fd1eJohn McCall 4911cd485926f1ffda2eaa9adeea34e1e15c35ab5fbaDaniel Dunbarinline bool Type::isVoidType() const { 4912cd485926f1ffda2eaa9adeea34e1e15c35ab5fbaDaniel Dunbar if (const BuiltinType *BT = dyn_cast<BuiltinType>(CanonicalType)) 4913cd485926f1ffda2eaa9adeea34e1e15c35ab5fbaDaniel Dunbar return BT->getKind() == BuiltinType::Void; 4914cd485926f1ffda2eaa9adeea34e1e15c35ab5fbaDaniel Dunbar return false; 4915cd485926f1ffda2eaa9adeea34e1e15c35ab5fbaDaniel Dunbar} 4916cd485926f1ffda2eaa9adeea34e1e15c35ab5fbaDaniel Dunbar 4917f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbarinline bool Type::isHalfType() const { 4918f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar if (const BuiltinType *BT = dyn_cast<BuiltinType>(CanonicalType)) 4919f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar return BT->getKind() == BuiltinType::Half; 4920f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar // FIXME: Should we allow complex __fp16? Probably not. 4921f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar return false; 4922f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar} 4923f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar 4924f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbarinline bool Type::isNullPtrType() const { 4925f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar if (const BuiltinType *BT = getAs<BuiltinType>()) 4926f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar return BT->getKind() == BuiltinType::NullPtr; 4927f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar return false; 4928f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar} 4929f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar 4930f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbarextern bool IsEnumDeclComplete(EnumDecl *); 493176e035a529775dc8fd31124f819745a33a085796Daniel Dunbarextern bool IsEnumDeclScoped(EnumDecl *); 493276e035a529775dc8fd31124f819745a33a085796Daniel Dunbar 493376e035a529775dc8fd31124f819745a33a085796Daniel Dunbarinline bool Type::isIntegerType() const { 493476e035a529775dc8fd31124f819745a33a085796Daniel Dunbar if (const BuiltinType *BT = dyn_cast<BuiltinType>(CanonicalType)) 493576e035a529775dc8fd31124f819745a33a085796Daniel Dunbar return BT->getKind() >= BuiltinType::Bool && 493676e035a529775dc8fd31124f819745a33a085796Daniel Dunbar BT->getKind() <= BuiltinType::Int128; 493776e035a529775dc8fd31124f819745a33a085796Daniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(CanonicalType)) { 493876e035a529775dc8fd31124f819745a33a085796Daniel Dunbar // Incomplete enum types are not treated as integer types. 493976e035a529775dc8fd31124f819745a33a085796Daniel Dunbar // FIXME: In C++, enum types are never integer types. 494076e035a529775dc8fd31124f819745a33a085796Daniel Dunbar return IsEnumDeclComplete(ET->getDecl()) && 494176e035a529775dc8fd31124f819745a33a085796Daniel Dunbar !IsEnumDeclScoped(ET->getDecl()); 494276e035a529775dc8fd31124f819745a33a085796Daniel Dunbar } 494376e035a529775dc8fd31124f819745a33a085796Daniel Dunbar return false; 494476e035a529775dc8fd31124f819745a33a085796Daniel Dunbar} 4945f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar 4946f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbarinline bool Type::isScalarType() const { 4947f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar if (const BuiltinType *BT = dyn_cast<BuiltinType>(CanonicalType)) 4948f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar return BT->getKind() > BuiltinType::Void && 4949f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar BT->getKind() <= BuiltinType::NullPtr; 4950f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(CanonicalType)) 4951f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar // Enums are scalar types, but only if they are defined. Incomplete enums 4952f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar // are not treated as scalar types. 4953f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar return IsEnumDeclComplete(ET->getDecl()); 4954f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar return isa<PointerType>(CanonicalType) || 4955f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar isa<BlockPointerType>(CanonicalType) || 4956f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar isa<MemberPointerType>(CanonicalType) || 4957f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar isa<ComplexType>(CanonicalType) || 4958f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar isa<ObjCObjectPointerType>(CanonicalType); 4959f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar} 4960f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar 4961f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbarinline bool Type::isIntegralOrEnumerationType() const { 4962f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar if (const BuiltinType *BT = dyn_cast<BuiltinType>(CanonicalType)) 4963f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar return BT->getKind() >= BuiltinType::Bool && 4964f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar BT->getKind() <= BuiltinType::Int128; 4965f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar 4966f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar // Check for a complete enum type; incomplete enum types are not properly an 4967f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar // enumeration type in the sense required here. 4968f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(CanonicalType)) 4969f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar return IsEnumDeclComplete(ET->getDecl()); 4970f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar 4971f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar return false; 4972f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar} 4973f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar 4974f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbarinline bool Type::isBooleanType() const { 4975f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar if (const BuiltinType *BT = dyn_cast<BuiltinType>(CanonicalType)) 4976f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar return BT->getKind() == BuiltinType::Bool; 4977f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar return false; 4978f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar} 4979f9aa3635fccb3dc0925ef4d27dfa2b692a8e6a90Daniel Dunbar 4980063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// \brief Determines whether this is a type for which one can define 4981063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// an overloaded operator. 4982063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregorinline bool Type::isOverloadableType() const { 4983063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor return isDependentType() || isRecordType() || isEnumeralType(); 4984904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor} 4985904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor 4986bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth/// \brief Determines whether this type can decay to a pointer type. 4987bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruthinline bool Type::canDecayToPointerType() const { 4988bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth return isFunctionType() || isArrayType(); 4989bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth} 4990bc8d7f9fd4346cfcc285868be32b74e019a40f01Chandler Carruth 49918958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbarinline bool Type::hasPointerRepresentation() const { 49928958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar return (isPointerType() || isReferenceType() || isBlockPointerType() || 4993c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall isObjCObjectPointerType() || isNullPtrType()); 49948958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar} 49958958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 4996820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanianinline bool Type::hasObjCPointerRepresentation() const { 4997c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isObjCObjectPointerType(); 4998820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian} 4999820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 5000d0370f59e79702ac908c81bf556519f91e9ca297John McCallinline const Type *Type::getBaseElementTypeUnsafe() const { 5001d0370f59e79702ac908c81bf556519f91e9ca297John McCall const Type *type = this; 5002d0370f59e79702ac908c81bf556519f91e9ca297John McCall while (const ArrayType *arrayType = type->getAsArrayTypeUnsafe()) 5003d0370f59e79702ac908c81bf556519f91e9ca297John McCall type = arrayType->getElementType().getTypePtr(); 5004d0370f59e79702ac908c81bf556519f91e9ca297John McCall return type; 5005d0370f59e79702ac908c81bf556519f91e9ca297John McCall} 5006d0370f59e79702ac908c81bf556519f91e9ca297John McCall 500722caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// Insertion operator for diagnostics. This allows sending QualType's into a 500822caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// diagnostic with <<. 5009d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 5010d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer QualType T) { 5011d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer DB.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 5012d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer DiagnosticsEngine::ak_qualtype); 5013d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer return DB; 5014d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer} 50151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 501647c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// Insertion operator for partial diagnostics. This allows sending QualType's 501747c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// into a diagnostic with <<. 5018d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramerinline const PartialDiagnostic &operator<<(const PartialDiagnostic &PD, 5019d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer QualType T) { 5020d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer PD.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 5021d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer DiagnosticsEngine::ak_qualtype); 5022d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer return PD; 5023d7a3e2c5f61cd4893f95b69a424fe4def3aa0f69Benjamin Kramer} 502447c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth 502589c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// Helper class template that is used by Type::getAs to ensure that one does 502689c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// not try to look through a qualified type to get to an array type. 502789c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T, 502889c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor bool isArrayType = (llvm::is_same<T, ArrayType>::value || 502989c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor llvm::is_base_of<ArrayType, T>::value)> 503089c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs { }; 5031ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 503289c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T> 503389c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs<T, true>; 5034ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 50351a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek/// Member-template getAs<specific type>'. 50361a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenektemplate <typename T> const T *Type::getAs() const { 503789c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor ArrayType_cannot_be_used_with_getAs<T> at; 503889c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor (void)at; 5039ba243b59a1074e0962f6abfa3bb9aa984eac1245David Blaikie 50401a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If this is directly a T type, return it. 50411a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek if (const T *Ty = dyn_cast<T>(this)) 50421a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return Ty; 50431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50441a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If the canonical form of this type isn't the right kind, reject it. 50450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<T>(CanonicalType)) 50461a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return 0; 50471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this is a typedef for the type, strip the typedef off without 50491a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // losing all typedef information. 5050bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return cast<T>(getUnqualifiedDesugaredType()); 50511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump} 505222caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner 50533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline const ArrayType *Type::getAsArrayTypeUnsafe() const { 50543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If this is directly an array type, return it. 50553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (const ArrayType *arr = dyn_cast<ArrayType>(this)) 50563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return arr; 50573b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 50583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the canonical form of this type isn't the right kind, reject it. 50593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!isa<ArrayType>(CanonicalType)) 50603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return 0; 50613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 50623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If this is a typedef for the type, strip the typedef off without 50633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // losing all typedef information. 50643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return cast<ArrayType>(getUnqualifiedDesugaredType()); 50653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 50663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 5067d0370f59e79702ac908c81bf556519f91e9ca297John McCalltemplate <typename T> const T *Type::castAs() const { 5068d0370f59e79702ac908c81bf556519f91e9ca297John McCall ArrayType_cannot_be_used_with_getAs<T> at; 5069d0370f59e79702ac908c81bf556519f91e9ca297John McCall (void) at; 5070d0370f59e79702ac908c81bf556519f91e9ca297John McCall 5071d0370f59e79702ac908c81bf556519f91e9ca297John McCall assert(isa<T>(CanonicalType)); 5072d0370f59e79702ac908c81bf556519f91e9ca297John McCall if (const T *ty = dyn_cast<T>(this)) return ty; 5073d0370f59e79702ac908c81bf556519f91e9ca297John McCall return cast<T>(getUnqualifiedDesugaredType()); 5074d0370f59e79702ac908c81bf556519f91e9ca297John McCall} 5075d0370f59e79702ac908c81bf556519f91e9ca297John McCall 5076d0370f59e79702ac908c81bf556519f91e9ca297John McCallinline const ArrayType *Type::castAsArrayTypeUnsafe() const { 5077d0370f59e79702ac908c81bf556519f91e9ca297John McCall assert(isa<ArrayType>(CanonicalType)); 5078d0370f59e79702ac908c81bf556519f91e9ca297John McCall if (const ArrayType *arr = dyn_cast<ArrayType>(this)) return arr; 5079d0370f59e79702ac908c81bf556519f91e9ca297John McCall return cast<ArrayType>(getUnqualifiedDesugaredType()); 5080d0370f59e79702ac908c81bf556519f91e9ca297John McCall} 5081d0370f59e79702ac908c81bf556519f91e9ca297John McCall 50825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 50835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 50845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 5085