Type.h revision 2234873111009eb8655d63362cedc422eb9fc517
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- Type.h - C Language Family Type Representation ---------*- C++ -*-===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file defines the Type interface and subclasses. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#ifndef LLVM_CLANG_AST_TYPE_H 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define LLVM_CLANG_AST_TYPE_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1722caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner#include "clang/Basic/Diagnostic.h" 188b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl#include "clang/Basic/ExceptionSpecificationType.h" 191734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor#include "clang/Basic/IdentifierTable.h" 200b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor#include "clang/Basic/Linkage.h" 2147c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth#include "clang/Basic/PartialDiagnostic.h" 221fb0caaa7bef765b85972274e3b434af2572c141John McCall#include "clang/Basic/Visibility.h" 23e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor#include "clang/AST/NestedNameSpecifier.h" 247532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor#include "clang/AST/TemplateName.h" 255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/Support/Casting.h" 2650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor#include "llvm/Support/type_traits.h" 27fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff#include "llvm/ADT/APSInt.h" 285cf243a883872441d73ca49cea7e20de5802629bChris Lattner#include "llvm/ADT/FoldingSet.h" 29cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor#include "llvm/ADT/Optional.h" 305cf243a883872441d73ca49cea7e20de5802629bChris Lattner#include "llvm/ADT/PointerIntPair.h" 311734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor#include "llvm/ADT/PointerUnion.h" 327532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::isa; 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::cast; 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::cast_or_null; 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::dyn_cast; 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::dyn_cast_or_null; 386b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCallnamespace clang { 396b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { 40f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor TypeAlignmentInBits = 4, 416b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment = 1 << TypeAlignmentInBits 426b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall }; 43aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class Type; 44aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class ExtQuals; 45aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class QualType; 466b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall} 475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 484e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnernamespace llvm { 494e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner template <typename T> 50daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattner class PointerLikeTypeTraits; 51bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner template<> 52bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner class PointerLikeTypeTraits< ::clang::Type*> { 53bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner public: 54bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner static inline void *getAsVoidPointer(::clang::Type *P) { return P; } 55bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner static inline ::clang::Type *getFromVoidPointer(void *P) { 56bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner return static_cast< ::clang::Type*>(P); 57bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner } 586b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { NumLowBitsAvailable = clang::TypeAlignmentInBits }; 59bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner }; 600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall template<> 610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall class PointerLikeTypeTraits< ::clang::ExtQuals*> { 620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall public: 630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static inline void *getAsVoidPointer(::clang::ExtQuals *P) { return P; } 640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static inline ::clang::ExtQuals *getFromVoidPointer(void *P) { 650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return static_cast< ::clang::ExtQuals*>(P); 660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 676b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { NumLowBitsAvailable = clang::TypeAlignmentInBits }; 680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall }; 69aed1df80bf64228e1429c1edc408397f9174847cChris Lattner 70aed1df80bf64228e1429c1edc408397f9174847cChris Lattner template <> 71aed1df80bf64228e1429c1edc408397f9174847cChris Lattner struct isPodLike<clang::QualType> { static const bool value = true; }; 724e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner} 734e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner 745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class ASTContext; 765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TypedefDecl; 7755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor class TemplateDecl; 7872c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor class TemplateTypeParmDecl; 79aaba5e346dffdbad5d1c42765a89e4a7afb0da67Douglas Gregor class NonTypeTemplateParmDecl; 807532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor class TemplateTemplateParmDecl; 815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TagDecl; 825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class RecordDecl; 8349aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis class CXXRecordDecl; 845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class EnumDecl; 8521d50e12c3c412d8457071dc419363b7a7e8b855Ted Kremenek class FieldDecl; 86a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCInterfaceDecl; 87a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCProtocolDecl; 88a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCMethodDecl; 89ed97649e9574b9d854fa4d6109c9333ae0993554John McCall class UnresolvedUsingTypenameDecl; 905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 91b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek class Stmt; 925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class SourceLocation; 9392866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek class StmtIteratorBase; 9440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor class TemplateArgument; 95833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall class TemplateArgumentLoc; 96d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall class TemplateArgumentListInfo; 97465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara class ElaboratedType; 983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall class ExtQuals; 993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall class ExtQualsTypeCommonBase; 1003b4ea54acf01f72f6eb74d96689dda86d950228fDaniel Dunbar struct PrintingPolicy; 10172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 102ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall template <typename> class CanQual; 103ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall typedef CanQual<Type> CanQualType; 104ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall 10572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // Provide forward declarations for all of the *Type classes 10672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) class Class##Type; 10772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 108f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// Qualifiers - The collection of all-type qualifiers we support. 1100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// Clang supports five independent qualifiers: 1110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * C99: const, volatile, and restrict 1120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * Embedded C (TR18037): address spaces 1130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * Objective C: the GC attributes (none, weak, or strong) 1140953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass Qualifiers { 1155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum TQ { // NOTE: These flags must be kept in sync with DeclSpec::TQ. 1175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Const = 0x1, 1185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Restrict = 0x2, 1195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Volatile = 0x4, 1200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CVRMask = Const | Volatile | Restrict 1215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 1221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum GC { 124d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian GCNone = 0, 125d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian Weak, 126d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian Strong 127d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian }; 128efadb7768e7c7418185f5a4010ecd8b21ca9731bJohn McCall 1290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum { 1300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The maximum supported address space number. 1310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 24 bits should be enough for anyone. 1320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall MaxAddressSpace = 0xffffffu, 1330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The width of the "fast" qualifier mask. 135f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor FastWidth = 3, 1360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The fast qualifier mask. 1380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FastMask = (1 << FastWidth) - 1 1390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall }; 1400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers() : Mask(0) {} 1420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromFastMask(unsigned Mask) { 1440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.addFastQualifiers(Mask); 1460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromCVRMask(unsigned CVR) { 1500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.addCVRQualifiers(CVR); 1520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Deserialize qualifiers from an opaque representation. 1560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromOpaqueValue(unsigned opaque) { 1570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.Mask = opaque; 1590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Serialize these qualifiers into an opaque representation. 1630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAsOpaqueValue() const { 1640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Mask; 1650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasConst() const { return Mask & Const; } 1680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setConst(bool flag) { 1690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Const) | (flag ? Const : 0); 1700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeConst() { Mask &= ~Const; } 1720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { Mask |= Const; } 1730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasVolatile() const { return Mask & Volatile; } 1750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setVolatile(bool flag) { 1760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Volatile) | (flag ? Volatile : 0); 1770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeVolatile() { Mask &= ~Volatile; } 1790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addVolatile() { Mask |= Volatile; } 1800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasRestrict() const { return Mask & Restrict; } 1820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setRestrict(bool flag) { 1830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Restrict) | (flag ? Restrict : 0); 1840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeRestrict() { Mask &= ~Restrict; } 1860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addRestrict() { Mask |= Restrict; } 1870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasCVRQualifiers() const { return getCVRQualifiers(); } 1890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getCVRQualifiers() const { return Mask & CVRMask; } 1900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setCVRQualifiers(unsigned mask) { 1910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 1920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~CVRMask) | mask; 1930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers(unsigned mask) { 1950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 1960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask &= ~mask; 1970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers() { 1990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeCVRQualifiers(CVRMask); 2000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addCVRQualifiers(unsigned mask) { 2020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 2030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= mask; 2040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasObjCGCAttr() const { return Mask & GCAttrMask; } 2070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GC getObjCGCAttr() const { return GC((Mask & GCAttrMask) >> GCAttrShift); } 2080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setObjCGCAttr(GC type) { 2090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~GCAttrMask) | (type << GCAttrShift); 2100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeObjCGCAttr() { setObjCGCAttr(GCNone); } 2120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addObjCGCAttr(GC type) { 2130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(type); 2140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall setObjCGCAttr(type); 2150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2162234873111009eb8655d63362cedc422eb9fc517John McCall Qualifiers withoutObjCGCAttr() const { 2172234873111009eb8655d63362cedc422eb9fc517John McCall Qualifiers qs = *this; 2182234873111009eb8655d63362cedc422eb9fc517John McCall qs.removeObjCGCAttr(); 2192234873111009eb8655d63362cedc422eb9fc517John McCall return qs; 2202234873111009eb8655d63362cedc422eb9fc517John McCall } 2210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasAddressSpace() const { return Mask & AddressSpaceMask; } 2230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAddressSpace() const { return Mask >> AddressSpaceShift; } 2240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setAddressSpace(unsigned space) { 2250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(space <= MaxAddressSpace); 2260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~AddressSpaceMask) 2270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall | (((uint32_t) space) << AddressSpaceShift); 2280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeAddressSpace() { setAddressSpace(0); } 2300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addAddressSpace(unsigned space) { 2310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(space); 2320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall setAddressSpace(space); 2330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast qualifiers are those that can be allocated directly 2360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // on a QualType object. 2370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasFastQualifiers() const { return getFastQualifiers(); } 2380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getFastQualifiers() const { return Mask & FastMask; } 2390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setFastQualifiers(unsigned mask) { 2400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~FastMask) | mask; 2420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers(unsigned mask) { 2440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask &= ~mask; 2460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers() { 2480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(FastMask); 2490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned mask) { 2510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= mask; 2530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// hasNonFastQualifiers - Return true if the set contains any 2560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers which require an ExtQuals node to be allocated. 2570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasNonFastQualifiers() const { return Mask & ~FastMask; } 2580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getNonFastQualifiers() const { 2590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals = *this; 2600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.setFastQualifiers(0); 2610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Quals; 2620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// hasQualifiers - Return true if the set contains any qualifiers. 2650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasQualifiers() const { return Mask; } 2660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool empty() const { return !Mask; } 2670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// \brief Add the qualifiers from the given set to this set. 2690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addQualifiers(Qualifiers Q) { 2700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the other set doesn't have any non-boolean qualifiers, just 2710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // bit-or it in. 2720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!(Q.Mask & ~CVRMask)) 2730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= Q.Mask; 2740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall else { 2750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= (Q.Mask & CVRMask); 2760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Q.hasAddressSpace()) 2770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addAddressSpace(Q.getAddressSpace()); 2780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Q.hasObjCGCAttr()) 2790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addObjCGCAttr(Q.getObjCGCAttr()); 2800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 28362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \brief Add the qualifiers from the given set to this set, given that 28462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// they don't conflict. 28562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall void addConsistentQualifiers(Qualifiers qs) { 28662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall assert(getAddressSpace() == qs.getAddressSpace() || 28762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall !hasAddressSpace() || !qs.hasAddressSpace()); 28862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall assert(getObjCGCAttr() == qs.getObjCGCAttr() || 28962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall !hasObjCGCAttr() || !qs.hasObjCGCAttr()); 29062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Mask |= qs.Mask; 29162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall } 29262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 29362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \brief Determines if these qualifiers compatibly include another set. 29462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// Generally this answers the question of whether an object with the other 29562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// qualifiers can be safely used as an object with these qualifiers. 29662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall bool compatiblyIncludes(Qualifiers other) const { 29762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // Non-CVR qualifiers must match exactly. CVR qualifiers may subset. 29862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return ((Mask & ~CVRMask) == (other.Mask & ~CVRMask)) && 29962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall (((Mask & CVRMask) | (other.Mask & CVRMask)) == (Mask & CVRMask)); 30062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall } 30162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 302b87786f045d798b070980c108c922e1475d27b15Douglas Gregor bool isSupersetOf(Qualifiers Other) const; 303b87786f045d798b070980c108c922e1475d27b15Douglas Gregor 3040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator==(Qualifiers Other) const { return Mask == Other.Mask; } 3050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator!=(Qualifiers Other) const { return Mask != Other.Mask; } 3060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall operator bool() const { return hasQualifiers(); } 3080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers &operator+=(Qualifiers R) { 3100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addQualifiers(R); 3110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return *this; 3120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Union two qualifier sets. If an enumerated qualifier appears 3150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // in both sets, use the one from the right. 3160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend Qualifiers operator+(Qualifiers L, Qualifiers R) { 3170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall L += R; 3180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return L; 3190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3203cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor 3213cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor Qualifiers &operator-=(Qualifiers R) { 3223cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor Mask = Mask & ~(R.Mask); 3233cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor return *this; 3243cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor } 3250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3263cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor /// \brief Compute the difference between two qualifier sets. 3273cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor friend Qualifiers operator-(Qualifiers L, Qualifiers R) { 3283cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor L -= R; 3293cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor return L; 3303cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor } 3313cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor 3320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string getAsString() const; 3330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string getAsString(const PrintingPolicy &Policy) const { 3340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string Buffer; 3350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getAsStringInternal(Buffer, Policy); 3360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Buffer; 3370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void getAsStringInternal(std::string &S, const PrintingPolicy &Policy) const; 3390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) const { 3410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ID.AddInteger(Mask); 3420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3440953e767ff7817f97b3ab20896b229891eeff45bJohn McCallprivate: 3450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // bits: |0 1 2|3 .. 4|5 .. 31| 3470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // |C R V|GCAttr|AddrSpace| 3480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall uint32_t Mask; 3490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrMask = 0x18; 3510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrShift = 3; 3520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t AddressSpaceMask = ~(CVRMask | GCAttrMask); 3530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t AddressSpaceShift = 5; 3540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 3550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 356ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor/// CallingConv - Specifies the calling convention that a function uses. 357ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregorenum CallingConv { 358ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_Default, 359ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_C, // __attribute__((cdecl)) 360ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_X86StdCall, // __attribute__((stdcall)) 361f813a2c03fcb05381b3252010435f557eb6b3cdeDouglas Gregor CC_X86FastCall, // __attribute__((fastcall)) 36252fc314e1b5e1baee6305067cf831763d02bd243Dawn Perchik CC_X86ThisCall, // __attribute__((thiscall)) 3639c6082fe89c61af697f017aa80937581cc2128d8Tilmann Scheller CC_X86Pascal // __attribute__((pascal)) 364ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor}; 365ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 36649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCalltypedef std::pair<const Type*, Qualifiers> SplitQualType; 3670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// QualType - For efficiency, we don't store CV-qualified types as nodes on 3690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// their own: instead each reference to a type stores the qualifiers. This 3700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// greatly reduces the number of nodes we need to allocate for types (for 3710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// example we only need one for 'int', 'const int', 'volatile int', 3720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 'const volatile int', etc). 3730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 3740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// As an added efficiency bonus, instead of making this a pair, we 3750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// just store the two bits we care about in the low bits of the 3760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// pointer. To handle the packing/unpacking, we make QualType be a 3770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// simple wrapper class that acts like a smart pointer. A third bit 3780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// indicates whether there are extended qualifiers present, in which 3790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// case the pointer points to a special structure. 3800953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualType { 3810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Thankfully, these are efficiently composable. 3820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::PointerIntPair<llvm::PointerUnion<const Type*,const ExtQuals*>, 3830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::FastWidth> Value; 3840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *getExtQualsUnsafe() const { 3860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const ExtQuals*>(); 3870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *getTypePtrUnsafe() const { 3900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const Type*>(); 3910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ExtQualsTypeCommonBase *getCommonPtr() const { 3943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!isNull() && "Cannot retrieve a NULL type pointer"); 3953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall uintptr_t CommonPtrVal 3963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = reinterpret_cast<uintptr_t>(Value.getOpaqueValue()); 3973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall CommonPtrVal &= ~(uintptr_t)((1 << TypeAlignmentInBits) - 1); 3983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return reinterpret_cast<ExtQualsTypeCommonBase*>(CommonPtrVal); 3993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 4003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 4010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend class QualifierCollector; 4020953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 4035cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType() {} 4041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4055cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType(const Type *Ptr, unsigned Quals) 4060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 4070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType(const ExtQuals *Ptr, unsigned Quals) 4080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 4090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 410a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalFastQualifiers() const { return Value.getInt(); } 411a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor void setLocalFastQualifiers(unsigned Quals) { Value.setInt(Quals); } 4125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Retrieves a pointer to the underlying (unqualified) type. 4140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// This should really return a const Type, but it's not worth 4150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// changing all the users right now. 4161ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// 4171ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// This function requires that the type not be NULL. If the type might be 4181ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor /// NULL, use the (slightly less efficient) \c getTypePtrOrNull(). 4193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *getTypePtr() const; 4201ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregor 4213b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *getTypePtrOrNull() const; 4221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall /// Divides a QualType into its unqualified type and a set of local 42449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall /// qualifiers. 4253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split() const; 42649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall 4275cf243a883872441d73ca49cea7e20de5802629bChris Lattner void *getAsOpaquePtr() const { return Value.getOpaqueValue(); } 428f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall static QualType getFromOpaquePtr(const void *Ptr) { 4295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType T; 430f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall T.Value.setFromOpaqueValue(const_cast<void*>(Ptr)); 4315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T; 4325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 434f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type &operator*() const { 4355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return *getTypePtr(); 4365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 438f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *operator->() const { 4395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getTypePtr(); 4405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 442467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonical() const; 44354e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isCanonicalAsParam() const; 444467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 4455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isNull - Return true if this QualType doesn't point to a type yet. 4465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isNull() const { 4470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().isNull(); 4485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 450a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 451a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "const" qualifier set, without looking through typedefs that may have 452a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "const" at a different level. 453a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalConstQualified() const { 454a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Const); 4550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 456a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 457a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is const-qualified. 458fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isConstQualified() const; 459a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 460a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 461a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "restrict" qualifier set, without looking through typedefs that may have 462a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "restrict" at a different level. 463a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalRestrictQualified() const { 464a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Restrict); 465a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor } 466a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 467a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is restrict-qualified. 468fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isRestrictQualified() const; 469a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 470a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 471a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "volatile" qualifier set, without looking through typedefs that may have 472a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "volatile" at a different level. 473a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalVolatileQualified() const { 474f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor return (getLocalFastQualifiers() & Qualifiers::Volatile); 4755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 477a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is volatile-qualified. 478fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isVolatileQualified() const; 479a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 480a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 481a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers, without looking through any typedefs that might add 482a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers at a different level. 483a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalQualifiers() const { 484a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return getLocalFastQualifiers() || hasLocalNonFastQualifiers(); 4850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 487a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type has any qualifiers. 488fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool hasQualifiers() const; 489a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 490a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 491a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "non-fast" qualifiers, e.g., those that are stored in an ExtQualType 492a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance. 493a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalNonFastQualifiers() const { 494a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return Value.getPointer().is<const ExtQuals*>(); 4950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 497a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers local to this particular QualType 498a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance, not including any qualifiers acquired through typedefs or 499a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// other sugar. 5003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers getLocalQualifiers() const; 5010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 502a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers applied to this type. 503fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Qualifiers getQualifiers() const; 504a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 505a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 506a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// local to this particular QualType instance, not including any qualifiers 507a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// acquired through typedefs or other sugar. 508a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalCVRQualifiers() const { 509f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor return getLocalFastQualifiers(); 5105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 511b381aac9bae6d608c72267dd0ed08ec6369e94e4Nuno Lopes 512a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 513a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// applied to this type. 514fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor unsigned getCVRQualifiers() const; 515e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 516bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isConstant(ASTContext& Ctx) const { 517bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return QualType::isConstant(*this, Ctx); 518bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 5191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Don't promise in the API that anything besides 'const' can be 5210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // easily added. 5220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// addConst - add the specified type qualifier to this QualType. 5240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { 5250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addFastQualifiers(Qualifiers::Const); 5260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withConst() const { 5280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return withFastQualifiers(Qualifiers::Const); 5290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned TQs) { 5320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(TQs & ~Qualifiers::FastMask) 5330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "non-fast qualifier bits set in mask!"); 5340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() | TQs); 5350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 53749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalConst(); 53849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalVolatile(); 53949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalRestrict(); 54049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalCVRQualifiers(unsigned Mask); 5410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 54249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalFastQualifiers() { Value.setInt(0); } 54349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalFastQualifiers(unsigned Mask) { 5440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(Mask & ~Qualifiers::FastMask) && "mask has non-fast qualifiers"); 5450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() & ~Mask); 5460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with the given qualifiers in addition to any 5490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualifiers already on this type. 5500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withFastQualifiers(unsigned TQs) const { 5510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 5520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall T.addFastQualifiers(TQs); 5530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 5540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5551c6a38bcea17801e9a4738753aee845381af2b6cSanjiv Gupta 5560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with exactly the given fast qualifiers, removing 5570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // any existing fast qualifiers. 55849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType withExactLocalFastQualifiers(unsigned TQs) const { 55949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return withoutLocalFastQualifiers().withFastQualifiers(TQs); 5605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Removes fast qualifiers, but leaves any extended qualifiers in place. 56349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType withoutLocalFastQualifiers() const { 5640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 56549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall T.removeLocalFastQualifiers(); 5660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 567c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 568971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis 5693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType getCanonicalType() const; 5703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 571a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Return this type with all of the instance-specific qualifiers 572a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// removed, but without removing any qualifiers that may have been applied 573a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// through typedefs. 574a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor QualType getLocalUnqualifiedType() const { return QualType(getTypePtr(), 0); } 5751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 57662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \brief Retrieve the unqualified variant of the given type, 57762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// removing as little sugar as possible. 57862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 57962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// This routine looks through various kinds of sugar to find the 58062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// least-desugared type that is unqualified. For example, given: 58162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 58262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \code 58362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// typedef int Integer; 58462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// typedef const Integer CInteger; 58562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// typedef CInteger DifferenceType; 58662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// \endcode 58762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 58862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// Executing \c getUnqualifiedType() on the type \c DifferenceType will 58962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// desugar until we hit the type \c Integer, which has no qualifiers on it. 59062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 59162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// The resulting type might still be qualified if it's an array 59262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// type. To strip qualifiers even from within an array type, use 59362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// ASTContext::getUnqualifiedArrayType. 59462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall inline QualType getUnqualifiedType() const; 59562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 59662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// getSplitUnqualifiedType - Retrieve the unqualified variant of the 59762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// given type, removing as little sugar as possible. 59862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 59962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// Like getUnqualifiedType(), but also returns the set of 60062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// qualifiers that were built up. 60162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// 60262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// The resulting type might still be qualified if it's an array 60362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// type. To strip qualifiers even from within an array type, use 60462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall /// ASTContext::getUnqualifiedArrayType. 60562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall inline SplitQualType getSplitUnqualifiedType() const; 606a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 607e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isMoreQualifiedThan(QualType Other) const; 608e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isAtLeastAsQualifiedAs(QualType Other) const; 609e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor QualType getNonReferenceType() const; 6101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6116398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// \brief Determine the type of a (typically non-lvalue) expression with the 6126398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// specified result type. 6135291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// 6146398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// This routine should be used for expressions for which the return type is 6156398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// explicitly specified (e.g., in a cast or call) and isn't necessarily 6166398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// an lvalue. It removes a top-level reference (since there are no 6175291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// expressions of reference type) and deletes top-level cvr-qualifiers 6185291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// from non-class types (in C++) or all types (in C). 6196398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor QualType getNonLValueExprType(ASTContext &Context) const; 6205291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 6212fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// getDesugaredType - Return the specified type with any "sugar" removed from 6222fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type. This takes off typedefs, typeof's etc. If the outer level of 6232fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type is already concrete, it returns it unmodified. This is similar 6242fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// to getting the canonical type, but it doesn't remove *all* typedefs. For 6252fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// example, it returns "T*" as "T*", (not as "int*"), because the pointer is 6262fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// concrete. 6270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 6280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Qualifiers are left in place. 6294ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType getDesugaredType(const ASTContext &Context) const { 63049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getDesugaredType(*this, Context); 63149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 63249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall 63349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall SplitQualType getSplitDesugaredType() const { 63449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getSplitDesugaredType(*this); 635bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 63698cd599ee8a9b259ed7388ee2921a20d97658864Douglas Gregor 637075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara /// IgnoreParens - Returns the specified type after dropping any 638075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara /// outer-level parentheses. 639075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType IgnoreParens() const { 640723df245307a530da5433dfb43accf187dc3e243Abramo Bagnara if (isa<ParenType>(*this)) 641723df245307a530da5433dfb43accf187dc3e243Abramo Bagnara return QualType::IgnoreParens(*this); 642723df245307a530da5433dfb43accf187dc3e243Abramo Bagnara return *this; 643075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 644075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 6455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// operator==/!= - Indicate whether the specified types and qualifiers are 6465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// identical. 64750d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator==(const QualType &LHS, const QualType &RHS) { 64850d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value == RHS.Value; 6495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 65050d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator!=(const QualType &LHS, const QualType &RHS) { 65150d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value != RHS.Value; 6525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 65349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall std::string getAsString() const { 65449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsString(split()); 65549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 65649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static std::string getAsString(SplitQualType split) { 65749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsString(split.first, split.second); 65849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 65949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static std::string getAsString(const Type *ty, Qualifiers qs); 660d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor 661d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor std::string getAsString(const PrintingPolicy &Policy) const { 6625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::string S; 663d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor getAsStringInternal(S, Policy); 6645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return S; 6655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 666e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner void getAsStringInternal(std::string &Str, 66749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &Policy) const { 66849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsStringInternal(split(), Str, Policy); 66949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 67049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static void getAsStringInternal(SplitQualType split, std::string &out, 67149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &policy) { 67249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsStringInternal(split.first, split.second, out, policy); 67349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 67449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static void getAsStringInternal(const Type *ty, Qualifiers qs, 67549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall std::string &out, 67649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &policy); 6771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 678c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump(const char *s) const; 679c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 6801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6813f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) const { 6823f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek ID.AddPointer(getAsOpaquePtr()); 6833f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek } 6845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 685ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// getAddressSpace - Return the address space of this type. 686ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb inline unsigned getAddressSpace() const; 6871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 688d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// GCAttrTypesAttr - Returns gc attribute of this type. 6890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall inline Qualifiers::GC getObjCGCAttr() const; 690f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 691f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCWeak true when Type is objc's weak. 692f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCWeak() const { 6930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Weak; 694f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 695f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 696f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCStrong true when Type is objc's strong. 697f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCStrong() const { 6980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Strong; 699f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 7002455636163fdd18581d7fdae816433f886d88213Mike Stump 7010d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall enum DestructionKind { 7020d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall DK_none, 7030d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall DK_cxx_destructor 7040d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall }; 7050d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall 7060d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall /// isDestructedType - nonzero if objects of this type require 7070d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall /// non-trivial work to clean up after. Non-zero because it's 7080d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall /// conceivable that qualifiers (objc_gc(weak)?) could make 7090d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall /// something require destruction. 7100d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall DestructionKind isDestructedType() const { 7110d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall return isDestructedTypeImpl(*this); 7120d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall } 7130d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall 714bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCallprivate: 715bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // These methods are implemented in a separate translation unit; 716bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // "static"-ize them to avoid creating temporary QualTypes in the 717bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // caller. 718bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall static bool isConstant(QualType T, ASTContext& Ctx); 7194ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static QualType getDesugaredType(QualType T, const ASTContext &Context); 72049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static SplitQualType getSplitDesugaredType(QualType T); 72162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall static SplitQualType getSplitUnqualifiedTypeImpl(QualType type); 722075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static QualType IgnoreParens(QualType T); 7230d70d71ccbc4f7f59cadb759f61b7172a149676cJohn McCall static DestructionKind isDestructedTypeImpl(QualType type); 7245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end clang. 7275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace llvm { 7295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Implement simplify_type for QualType, so that we can dyn_cast from QualType 7305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// to a specific Type class. 7315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type<const ::clang::QualType> { 732f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall typedef const ::clang::Type *SimpleType; 7335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static SimpleType getSimplifiedValue(const ::clang::QualType &Val) { 7344472fc641ea3069463798fb56a04043c28ea2910Douglas Gregor return Val.getTypePtr(); 7355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type< ::clang::QualType> 7385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : public simplify_type<const ::clang::QualType> {}; 7391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7404e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner// Teach SmallPtrSet that QualType is "basically a pointer". 7414e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnertemplate<> 742daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattnerclass PointerLikeTypeTraits<clang::QualType> { 7434e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnerpublic: 7444e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline void *getAsVoidPointer(clang::QualType P) { 7454e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return P.getAsOpaquePtr(); 7464e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 7474e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline clang::QualType getFromVoidPointer(void *P) { 7484e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return clang::QualType::getFromOpaquePtr(P); 7494e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 7500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Various qualifiers go in low bits. 7510eda3b31a672ea486fa92b9bc49a2c91be856b53Chris Lattner enum { NumLowBitsAvailable = 0 }; 7524e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner}; 7531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 75473af669633e13c813f80cd15ecf3e6414778aee4Ted Kremenek} // end namespace llvm 7555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 7575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// \brief Base class that is common to both the \c ExtQuals and \c Type 7593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// classes, which allows \c QualType to access the common fields between the 7603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// two. 7613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// 7623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallclass ExtQualsTypeCommonBase { 7633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQualsTypeCommonBase(const Type *baseType, QualType canon) 7643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall : BaseType(baseType), CanonicalType(canon) {} 7653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 7663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// \brief The "base" type of an extended qualifiers type (\c ExtQuals) or 7673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// a self-referential pointer (for \c Type). 7683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// 7693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// This pointer allows an efficient mapping from a QualType to its 7703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// underlying type pointer. 7713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *const BaseType; 7723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 7733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// \brief The canonical type of this type. A QualType. 7743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType CanonicalType; 7753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 7763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall friend class QualType; 7773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall friend class Type; 7783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall friend class ExtQuals; 7793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall}; 7803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 7813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// ExtQuals - We can encode up to four bits in the low bits of a 7823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// type pointer, but there are many more type qualifiers that we want 7833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// to be able to apply to an arbitrary type. Therefore we have this 7843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// struct, intended to be heap-allocated and used by QualType to 7853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// store qualifiers. 7863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// 7873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// The current design tags the 'const', 'restrict', and 'volatile' qualifiers 7883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// in three low bits on the QualType pointer; a fourth bit records whether 7893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// the pointer is an ExtQuals node. The extended qualifiers (address spaces, 7903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall/// Objective-C GC attributes) are much more rare. 7913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallclass ExtQuals : public ExtQualsTypeCommonBase, public llvm::FoldingSetNode { 7923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // NOTE: changing the fast qualifiers should be straightforward as 7933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // long as you don't make 'const' non-fast. 7943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // 1. Qualifiers: 7953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // a) Modify the bitmasks (Qualifiers::TQ and DeclSpec::TQ). 7963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Fast qualifiers must occupy the low-order bits. 7973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // b) Update Qualifiers::FastWidth and FastMask. 7983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // 2. QualType: 7993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // a) Update is{Volatile,Restrict}Qualified(), defined inline. 8003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // b) Update remove{Volatile,Restrict}, defined near the end of 8013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // this header. 8023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // 3. ASTContext: 8033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // a) Update get{Volatile,Restrict}Type. 8043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 8053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// Quals - the immutable set of qualifiers applied by this 8063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// node; always contains extended qualifiers. 8073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers Quals; 8083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 8093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals *this_() { return this; } 8103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 8113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallpublic: 8123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals(const Type *baseType, QualType canon, Qualifiers quals) 8133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall : ExtQualsTypeCommonBase(baseType, 8143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon.isNull() ? QualType(this_(), 0) : canon), 8153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals(quals) 8163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall { 8173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(Quals.hasNonFastQualifiers() 8183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall && "ExtQuals created with no fast qualifiers"); 8193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!Quals.hasFastQualifiers() 8203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall && "ExtQuals created with fast qualifiers"); 8213b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 8223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 8233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers getQualifiers() const { return Quals; } 8243b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 8253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall bool hasObjCGCAttr() const { return Quals.hasObjCGCAttr(); } 8263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers::GC getObjCGCAttr() const { return Quals.getObjCGCAttr(); } 8273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 8283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall bool hasAddressSpace() const { return Quals.hasAddressSpace(); } 8293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned getAddressSpace() const { return Quals.getAddressSpace(); } 8303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 8313b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *getBaseType() const { return BaseType; } 8323b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 8333b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallpublic: 8343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void Profile(llvm::FoldingSetNodeID &ID) const { 8353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Profile(ID, getBaseType(), Quals); 8363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 8373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall static void Profile(llvm::FoldingSetNodeID &ID, 8383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *BaseType, 8393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers Quals) { 8403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!Quals.hasFastQualifiers() && "fast qualifiers in ExtQuals hash!"); 8413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ID.AddPointer(BaseType); 8423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals.Profile(ID); 8433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 8443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall}; 8453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 846c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor/// \brief The kind of C++0x ref-qualifier associated with a function type, 847c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor/// which determines whether a member function's "this" object can be an 848c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor/// lvalue, rvalue, or neither. 849c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregorenum RefQualifierKind { 850c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief No ref-qualifier was provided. 851c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RQ_None = 0, 852c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief An lvalue ref-qualifier was provided (\c &). 853c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RQ_LValue, 854c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief An rvalue ref-qualifier was provided (\c &&). 855c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RQ_RValue 856c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor}; 857c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 8585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Type - This is the base class of the type hierarchy. A central concept 8595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// with types is that each type always has a canonical type. A canonical type 8605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is the type with any typedef names stripped out of it or the types it 8615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// references. For example, consider: 8625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef int foo; 8645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef foo* bar; 8655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int *' 'foo *' 'bar' 8665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// There will be a Type object created for 'int'. Since int is canonical, its 8685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonicaltype pointer points to itself. There is also a Type for 'foo' (a 86972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypedefType). Its CanonicalType pointer points to the 'int' Type. Next 8705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// there is a PointerType that represents 'int*', which, like 'int', is 8715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonical. Finally, there is a PointerType type for 'foo*' whose canonical 87272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// type is 'int*', and there is a TypedefType for 'bar', whose canonical type 8735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is also 'int*'. 8745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Non-canonical types are useful for emitting diagnostics, without losing 8765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// information about typedefs being used. Canonical types are useful for type 8775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// comparisons (they allow by-pointer equality tests) and useful for reasoning 8785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// about whether something has a particular form (e.g. is a function type), 8795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// because they implicitly, recursively, strip all typedefs out of a type. 8805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Types, once created, are immutable. 8825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 8831ab55e9bb87d98bff1d42c7a0ee502c64755d9f5Douglas Gregorclass Type : public ExtQualsTypeCommonBase { 8845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 8855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum TypeClass { 88672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) Class, 88727935ee59c30b0d8b610ab676aab8e65350af932John McCall#define LAST_TYPE(Class) TypeLast = Class, 88872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 88972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 89072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor TagFirst = Record, TagLast = Enum 8915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 8921bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 8935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 894c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Type(const Type&); // DO NOT IMPLEMENT. 895c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void operator=(const Type&); // DO NOT IMPLEMENT. 896c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 897b870b88df784c2940efce448ebfaf54dece14666John McCall /// Bitfields required by the Type class. 898b870b88df784c2940efce448ebfaf54dece14666John McCall class TypeBitfields { 899b870b88df784c2940efce448ebfaf54dece14666John McCall friend class Type; 900b7b2688bab0eac053d3e2938b329c8e523fd252bJohn McCall template <class T> friend class TypePropertyCache; 90127935ee59c30b0d8b610ab676aab8e65350af932John McCall 902b870b88df784c2940efce448ebfaf54dece14666John McCall /// TypeClass bitfield - Enum that specifies what subclass this belongs to. 903b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned TC : 8; 904b870b88df784c2940efce448ebfaf54dece14666John McCall 905b870b88df784c2940efce448ebfaf54dece14666John McCall /// Dependent - Whether this type is a dependent type (C++ [temp.dep.type]). 906b870b88df784c2940efce448ebfaf54dece14666John McCall /// Note that this should stay at the end of the ivars for Type so that 907b870b88df784c2940efce448ebfaf54dece14666John McCall /// subclasses can pack their bitfields into the same word. 908bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned Dependent : 1; 90960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 910b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Whether this type is a variably-modified type (C99 6.7.5). 911bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned VariablyModified : 1; 912d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 913d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Whether this type contains an unexpanded parameter pack 914d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// (for C++0x variadic templates). 915d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned ContainsUnexpandedParameterPack : 1; 91635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 9171fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Nonzero if the cache (i.e. the bitfields here starting 9181fb0caaa7bef765b85972274e3b434af2572c141John McCall /// with 'Cache') is valid. If so, then this is a 9191fb0caaa7bef765b85972274e3b434af2572c141John McCall /// LangOptions::VisibilityMode+1. 9201fb0caaa7bef765b85972274e3b434af2572c141John McCall mutable unsigned CacheValidAndVisibility : 2; 92160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 922b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Linkage of this type. 923b870b88df784c2940efce448ebfaf54dece14666John McCall mutable unsigned CachedLinkage : 2; 92407a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 925b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Whether this type involves and local or unnamed types. 926bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet mutable unsigned CachedLocalOrUnnamed : 1; 927db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor 928b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief FromAST - Whether this type comes from an AST file. 929bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet mutable unsigned FromAST : 1; 930b870b88df784c2940efce448ebfaf54dece14666John McCall 9311fb0caaa7bef765b85972274e3b434af2572c141John McCall bool isCacheValid() const { 9321fb0caaa7bef765b85972274e3b434af2572c141John McCall return (CacheValidAndVisibility != 0); 9331fb0caaa7bef765b85972274e3b434af2572c141John McCall } 9341fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility getVisibility() const { 9351fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 9361fb0caaa7bef765b85972274e3b434af2572c141John McCall return static_cast<Visibility>(CacheValidAndVisibility-1); 9371fb0caaa7bef765b85972274e3b434af2572c141John McCall } 9381fb0caaa7bef765b85972274e3b434af2572c141John McCall Linkage getLinkage() const { 9391fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 9401fb0caaa7bef765b85972274e3b434af2572c141John McCall return static_cast<Linkage>(CachedLinkage); 9411fb0caaa7bef765b85972274e3b434af2572c141John McCall } 9421fb0caaa7bef765b85972274e3b434af2572c141John McCall bool hasLocalOrUnnamedType() const { 9431fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 9441fb0caaa7bef765b85972274e3b434af2572c141John McCall return CachedLocalOrUnnamed; 9451fb0caaa7bef765b85972274e3b434af2572c141John McCall } 946b870b88df784c2940efce448ebfaf54dece14666John McCall }; 947d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor enum { NumTypeBits = 17 }; 948b870b88df784c2940efce448ebfaf54dece14666John McCall 949b870b88df784c2940efce448ebfaf54dece14666John McCallprotected: 950b870b88df784c2940efce448ebfaf54dece14666John McCall // These classes allow subclasses to somewhat cleanly pack bitfields 951b870b88df784c2940efce448ebfaf54dece14666John McCall // into Type. 952b870b88df784c2940efce448ebfaf54dece14666John McCall 953b870b88df784c2940efce448ebfaf54dece14666John McCall class ArrayTypeBitfields { 954b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ArrayType; 955b870b88df784c2940efce448ebfaf54dece14666John McCall 956b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 957b870b88df784c2940efce448ebfaf54dece14666John McCall 958b870b88df784c2940efce448ebfaf54dece14666John McCall /// IndexTypeQuals - CVR qualifiers from declarations like 959b870b88df784c2940efce448ebfaf54dece14666John McCall /// 'int X[static restrict 4]'. For function parameters only. 960b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned IndexTypeQuals : 3; 961b870b88df784c2940efce448ebfaf54dece14666John McCall 962b870b88df784c2940efce448ebfaf54dece14666John McCall /// SizeModifier - storage class qualifiers from declarations like 963b870b88df784c2940efce448ebfaf54dece14666John McCall /// 'int X[static restrict 4]'. For function parameters only. 964b870b88df784c2940efce448ebfaf54dece14666John McCall /// Actually an ArrayType::ArraySizeModifier. 965b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned SizeModifier : 3; 966b870b88df784c2940efce448ebfaf54dece14666John McCall }; 967b870b88df784c2940efce448ebfaf54dece14666John McCall 968b870b88df784c2940efce448ebfaf54dece14666John McCall class BuiltinTypeBitfields { 969b870b88df784c2940efce448ebfaf54dece14666John McCall friend class BuiltinType; 970b870b88df784c2940efce448ebfaf54dece14666John McCall 971b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 972b870b88df784c2940efce448ebfaf54dece14666John McCall 973b870b88df784c2940efce448ebfaf54dece14666John McCall /// The kind (BuiltinType::Kind) of builtin type this is. 974b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned Kind : 8; 975b870b88df784c2940efce448ebfaf54dece14666John McCall }; 976b870b88df784c2940efce448ebfaf54dece14666John McCall 977b870b88df784c2940efce448ebfaf54dece14666John McCall class FunctionTypeBitfields { 978b870b88df784c2940efce448ebfaf54dece14666John McCall friend class FunctionType; 979b870b88df784c2940efce448ebfaf54dece14666John McCall 980b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 981b870b88df784c2940efce448ebfaf54dece14666John McCall 982b870b88df784c2940efce448ebfaf54dece14666John McCall /// Extra information which affects how the function is called, like 983b870b88df784c2940efce448ebfaf54dece14666John McCall /// regparm and the calling convention. 984b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned ExtInfo : 8; 985b870b88df784c2940efce448ebfaf54dece14666John McCall 986e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall /// Whether the function is variadic. Only used by FunctionProtoType. 987e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall unsigned Variadic : 1; 988b870b88df784c2940efce448ebfaf54dece14666John McCall 989b870b88df784c2940efce448ebfaf54dece14666John McCall /// TypeQuals - Used only by FunctionProtoType, put here to pack with the 990b870b88df784c2940efce448ebfaf54dece14666John McCall /// other bitfields. 991b870b88df784c2940efce448ebfaf54dece14666John McCall /// The qualifiers are part of FunctionProtoType because... 992b870b88df784c2940efce448ebfaf54dece14666John McCall /// 993b870b88df784c2940efce448ebfaf54dece14666John McCall /// C++ 8.3.5p4: The return type, the parameter type list and the 994b870b88df784c2940efce448ebfaf54dece14666John McCall /// cv-qualifier-seq, [...], are part of the function type. 995b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned TypeQuals : 3; 996c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 997c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief The ref-qualifier associated with a \c FunctionProtoType. 998c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// 999c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// This is a value of type \c RefQualifierKind. 1000c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor unsigned RefQualifier : 2; 1001b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1002b870b88df784c2940efce448ebfaf54dece14666John McCall 1003b870b88df784c2940efce448ebfaf54dece14666John McCall class ObjCObjectTypeBitfields { 1004b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ObjCObjectType; 1005b870b88df784c2940efce448ebfaf54dece14666John McCall 1006b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1007b870b88df784c2940efce448ebfaf54dece14666John McCall 1008b870b88df784c2940efce448ebfaf54dece14666John McCall /// NumProtocols - The number of protocols stored directly on this 1009b870b88df784c2940efce448ebfaf54dece14666John McCall /// object type. 1010b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned NumProtocols : 32 - NumTypeBits; 1011b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1012b870b88df784c2940efce448ebfaf54dece14666John McCall 1013b870b88df784c2940efce448ebfaf54dece14666John McCall class ReferenceTypeBitfields { 1014b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ReferenceType; 1015b870b88df784c2940efce448ebfaf54dece14666John McCall 1016b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 1017b870b88df784c2940efce448ebfaf54dece14666John McCall 1018b870b88df784c2940efce448ebfaf54dece14666John McCall /// True if the type was originally spelled with an lvalue sigil. 1019b870b88df784c2940efce448ebfaf54dece14666John McCall /// This is never true of rvalue references but can also be false 1020b870b88df784c2940efce448ebfaf54dece14666John McCall /// on lvalue references because of C++0x [dcl.typedef]p9, 1021b870b88df784c2940efce448ebfaf54dece14666John McCall /// as follows: 1022b870b88df784c2940efce448ebfaf54dece14666John McCall /// 1023b870b88df784c2940efce448ebfaf54dece14666John McCall /// typedef int &ref; // lvalue, spelled lvalue 1024b870b88df784c2940efce448ebfaf54dece14666John McCall /// typedef int &&rvref; // rvalue 1025b870b88df784c2940efce448ebfaf54dece14666John McCall /// ref &a; // lvalue, inner ref, spelled lvalue 1026b870b88df784c2940efce448ebfaf54dece14666John McCall /// ref &&a; // lvalue, inner ref 1027b870b88df784c2940efce448ebfaf54dece14666John McCall /// rvref &a; // lvalue, inner ref, spelled lvalue 1028b870b88df784c2940efce448ebfaf54dece14666John McCall /// rvref &&a; // rvalue, inner ref 1029bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned SpelledAsLValue : 1; 1030b870b88df784c2940efce448ebfaf54dece14666John McCall 1031b870b88df784c2940efce448ebfaf54dece14666John McCall /// True if the inner type is a reference type. This only happens 1032b870b88df784c2940efce448ebfaf54dece14666John McCall /// in non-canonical forms. 1033bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned InnerRef : 1; 1034b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1035b870b88df784c2940efce448ebfaf54dece14666John McCall 103677be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall class TypeWithKeywordBitfields { 103777be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall friend class TypeWithKeyword; 103877be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 103977be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned : NumTypeBits; 104077be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 104177be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall /// An ElaboratedTypeKeyword. 8 bits for efficient access. 104277be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned Keyword : 8; 104377be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall }; 104477be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 1045b870b88df784c2940efce448ebfaf54dece14666John McCall class VectorTypeBitfields { 1046b870b88df784c2940efce448ebfaf54dece14666John McCall friend class VectorType; 104707a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1048b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 104971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 1050e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson /// VecKind - The kind of vector, either a generic vector type or some 1051e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson /// target-specific vector type such as for AltiVec or Neon. 1052cc3b946c35c4372272034e6f0663089477a9a5bdBob Wilson unsigned VecKind : 3; 1053b870b88df784c2940efce448ebfaf54dece14666John McCall 1054b870b88df784c2940efce448ebfaf54dece14666John McCall /// NumElements - The number of elements in the vector. 1055cc3b946c35c4372272034e6f0663089477a9a5bdBob Wilson unsigned NumElements : 29 - NumTypeBits; 1056b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1057b870b88df784c2940efce448ebfaf54dece14666John McCall 10589d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall class AttributedTypeBitfields { 10599d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall friend class AttributedType; 10609d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 10619d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall unsigned : NumTypeBits; 10629d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 10639d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall /// AttrKind - an AttributedType::Kind 10649d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall unsigned AttrKind : 32 - NumTypeBits; 10659d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall }; 10669d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 1067b870b88df784c2940efce448ebfaf54dece14666John McCall union { 1068b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBitfields TypeBits; 1069b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBitfields ArrayTypeBits; 10709d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedTypeBitfields AttributedTypeBits; 1071b870b88df784c2940efce448ebfaf54dece14666John McCall BuiltinTypeBitfields BuiltinTypeBits; 1072b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBitfields FunctionTypeBits; 1073b870b88df784c2940efce448ebfaf54dece14666John McCall ObjCObjectTypeBitfields ObjCObjectTypeBits; 1074b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBitfields ReferenceTypeBits; 107577be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall TypeWithKeywordBitfields TypeWithKeywordBits; 1076b870b88df784c2940efce448ebfaf54dece14666John McCall VectorTypeBitfields VectorTypeBits; 1077b870b88df784c2940efce448ebfaf54dece14666John McCall }; 1078b870b88df784c2940efce448ebfaf54dece14666John McCall 1079b870b88df784c2940efce448ebfaf54dece14666John McCallprivate: 10803c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Set whether this type comes from an AST file. 10813c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl void setFromAST(bool V = true) const { 1082b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.FromAST = V; 108307a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl } 108407a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1085b7b2688bab0eac053d3e2938b329c8e523fd252bJohn McCall template <class T> friend class TypePropertyCache; 10861fb0caaa7bef765b85972274e3b434af2572c141John McCall 10875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 1088124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser // silence VC++ warning C4355: 'this' : used in base member initializer list 1089124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser Type *this_() { return this; } 10903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Type(TypeClass tc, QualType canon, bool Dependent, bool VariablyModified, 1091d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool ContainsUnexpandedParameterPack) 10923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall : ExtQualsTypeCommonBase(this, 10933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon.isNull() ? QualType(this_(), 0) : canon) { 1094b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.TC = tc; 1095b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.Dependent = Dependent; 1096b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.VariablyModified = VariablyModified; 1097d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor TypeBits.ContainsUnexpandedParameterPack = ContainsUnexpandedParameterPack; 10981fb0caaa7bef765b85972274e3b434af2572c141John McCall TypeBits.CacheValidAndVisibility = 0; 1099b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.CachedLocalOrUnnamed = false; 1100b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.CachedLinkage = NoLinkage; 1101b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.FromAST = false; 1102b870b88df784c2940efce448ebfaf54dece14666John McCall } 11035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; 11041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1105b870b88df784c2940efce448ebfaf54dece14666John McCall void setDependent(bool D = true) { TypeBits.Dependent = D; } 1106b870b88df784c2940efce448ebfaf54dece14666John McCall void setVariablyModified(bool VM = true) { TypeBits.VariablyModified = VM; } 1107d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor void setContainsUnexpandedParameterPack(bool PP = true) { 1108d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor TypeBits.ContainsUnexpandedParameterPack = PP; 1109d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 1110d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 11118b9023ba35a86838789e2c9034a6128728c547aaChris Lattnerpublic: 1112b870b88df784c2940efce448ebfaf54dece14666John McCall TypeClass getTypeClass() const { return static_cast<TypeClass>(TypeBits.TC); } 11131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11143c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Whether this type comes from an AST file. 1115b870b88df784c2940efce448ebfaf54dece14666John McCall bool isFromAST() const { return TypeBits.FromAST; } 111607a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1117d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Whether this type is or contains an unexpanded parameter 1118d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// pack, used to support C++0x variadic templates. 1119d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 1120d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// A type that contains a parameter pack shall be expanded by the 1121d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// ellipsis operator at some point. For example, the typedef in the 1122d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// following example contains an unexpanded parameter pack 'T': 1123d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 1124d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \code 1125d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// template<typename ...T> 1126d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// struct X { 1127d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// typedef T* pointer_types; // ill-formed; T is a parameter pack. 1128d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// }; 1129d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \endcode 1130d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// 1131d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// Note that this routine does not specify which 1132d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool containsUnexpandedParameterPack() const { 1133d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return TypeBits.ContainsUnexpandedParameterPack; 1134d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 1135d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 11363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// Determines if this type would be canonical if it had no further 11373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// qualification. 1138467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonicalUnqualified() const { 11393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return CanonicalType == QualType(this, 0); 1140467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall } 11415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Types are partitioned into 3 broad categories (C99 6.2.5p1): 11435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// object types, function types, and incomplete types. 11441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIncompleteType - Return true if this is an incomplete type. 11465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// A type that can describe objects, but which lacks information needed to 11475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// determine its size (e.g. void, or a fwd declared struct). Clients of this 11481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// routine will need to determine if the size is actually required. 11495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncompleteType() const; 1150d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner 1151d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// isIncompleteOrObjectType - Return true if this is an incomplete or object 1152d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// type, in other words, not a function type. 1153d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner bool isIncompleteOrObjectType() const { 1154d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner return !isFunctionType(); 1155d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner } 11562fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor 11572fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor /// \brief Determine whether this type is an object type. 11582fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor bool isObjectType() const { 11592fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor // C++ [basic.types]p8: 11602fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor // An object type is a (possibly cv-qualified) type that is not a 11612fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor // function type, not a reference type, and not a void type. 11622fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor return !isReferenceType() && !isFunctionType() && !isVoidType(); 11632fdc5e8199e1e239620f2faae88997153703e16fDouglas Gregor } 116464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 116564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// isPODType - Return true if this is a plain-old-data type (C++ 3.9p10). 116664b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl bool isPODType() const; 116764b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 1168ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// isLiteralType - Return true if this is a literal type 1169ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// (C++0x [basic.types]p10) 1170ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl bool isLiteralType() const; 1171ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl 11725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Helper methods to distinguish type categories. All type predicates 1173ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// operate on the canonical type, ignoring typedefs and qualifiers. 1174e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 11759b065ddabf572772991a4aadad5bf4921fac5069Tom Care /// isBuiltinType - returns true if the type is a builtin type. 11769b065ddabf572772991a4aadad5bf4921fac5069Tom Care bool isBuiltinType() const; 11779b065ddabf572772991a4aadad5bf4921fac5069Tom Care 1178e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar /// isSpecificBuiltinType - Test for a particular builtin type. 1179e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar bool isSpecificBuiltinType(unsigned K) const; 11801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11812a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// isPlaceholderType - Test for a type which does not represent an 11822a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// actual type-system type but is instead used as a placeholder for 11832a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// various convenient purposes within Clang. All such types are 11842a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// BuiltinTypes. 11852a984cad5ac3fdceeff2bd99daa7b90979313475John McCall bool isPlaceholderType() const; 11862a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 118796d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isIntegerType() does *not* include complex integers (a GCC extension). 118896d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isComplexIntegerType() can be used to test for complex integers. 11895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIntegerType() const; // C99 6.2.5p17 (int, char, bool, enum) 119013b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isEnumeralType() const; 119113b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isBooleanType() const; 119213b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isCharType() const; 119377a52233f7c0f162672652051bfe78b65ad4f789Douglas Gregor bool isWideCharType() const; 119420093b4bf698f292c664676987541d5103b65b15Douglas Gregor bool isAnyCharacterType() const; 11959d3347a5887d2d25afe8b0bd35783a72ec86cce2Douglas Gregor bool isIntegralType(ASTContext &Ctx) const; 119620093b4bf698f292c664676987541d5103b65b15Douglas Gregor 11972ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor /// \brief Determine whether this type is an integral or enumeration type. 11982ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor bool isIntegralOrEnumerationType() const; 11991274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor /// \brief Determine whether this type is an integral or unscoped enumeration 12001274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor /// type. 12011274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor bool isIntegralOrUnscopedEnumerationType() const; 12022ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor 12035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Floating point categories. 12045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealFloatingType() const; // C99 6.2.5p10 (float, double, long double) 120502f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexType() does *not* include complex integers (a GCC extension). 120602f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexIntegerType() can be used to test for complex integers. 12075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isComplexType() const; // C99 6.2.5p11 (complex) 1208f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner bool isAnyComplexType() const; // C99 6.2.5p11 (complex) + Complex Int. 12095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isFloatingType() const; // C99 6.2.5p11 (real floating + complex) 12105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealType() const; // C99 6.2.5p17 (real floating + integer) 12115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArithmeticType() const; // C99 6.2.5p18 (integer + floating) 1212c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isVoidType() const; // C99 6.2.5p19 1213c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isDerivedType() const; // C99 6.2.5p20 1214c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isScalarType() const; // C99 6.2.5p21 (arithmetic + pointers) 1215d7eb846aaf5ee4a8d22c3cd0796d1e7229d46013Douglas Gregor bool isAggregateType() const; 12161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1217c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Predicates: Check to see if this type is structurally the specified 1218ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb // type, ignoring typedefs and qualifiers. 1219c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isFunctionType() const; 1220183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionNoProtoType() const { return getAs<FunctionNoProtoType>(); } 1221183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionProtoType() const { return getAs<FunctionProtoType>(); } 1222befee48ff2a1dab236c5700f00ecca1cfdcd5837Chris Lattner bool isPointerType() const; 122358f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff bool isAnyPointerType() const; // Any C pointer or ObjC object pointer 12245618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff bool isBlockPointerType() const; 12257154a77e7c1f23418342d3b72836ab504aa7821eSteve Naroff bool isVoidPointerType() const; 1226a1d9fdea79ba7bbd71862b9f9f78f5f117331fc7Chris Lattner bool isReferenceType() const; 12277c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isLValueReferenceType() const; 12287c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isRValueReferenceType() const; 1229bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner bool isFunctionPointerType() const; 1230f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberPointerType() const; 1231f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberFunctionPointerType() const; 1232db68e28c05a67735211e688009890cf834c22e75Douglas Gregor bool isMemberDataPointerType() const; 1233c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isArrayType() const; 1234c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isConstantArrayType() const; 1235c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isIncompleteArrayType() const; 1236c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isVariableArrayType() const; 1237898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool isDependentSizedArrayType() const; 1238c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isRecordType() const; 12391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isClassType() const; 12401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isStructureType() const; 1241fb87b89fc9eb103e19fb8e4b925c23f0bd091b99Douglas Gregor bool isStructureOrClassType() const; 12424cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff bool isUnionType() const; 1243368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isComplexIntegerType() const; // GCC _Complex integer type. 1244368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isVectorType() const; // GCC vector type. 1245213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman bool isExtVectorType() const; // Extended vector type. 1246d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff bool isObjCObjectPointerType() const; // Pointer to *any* ObjC object. 124714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // FIXME: change this to 'raw' interface type, so we can used 'interface' type 124814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for the common case. 1249c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCObjectType() const; // NSString or typeof(*(id)0) 1250368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedInterfaceType() const; // NSString<foo> 1251368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedIdType() const; // id<foo> 1252470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const; // Class<foo> 1253569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor bool isObjCObjectOrInterfaceType() const; 125414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const; // id 125514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const; // Class 125613dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian bool isObjCSelType() const; // Class 1257de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff bool isObjCBuiltinType() const; // 'id' or 'Class' 125872c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor bool isTemplateTypeParmType() const; // C++ template type parameter 12596e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl bool isNullPtrType() const; // C++0x nullptr_t 1260898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1261daa8e4e888758d55a7a759dd4a91b83921cef222John McCall enum ScalarTypeKind { 1262daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Pointer, 1263daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_MemberPointer, 1264daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Bool, 1265daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Integral, 1266daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Floating, 1267daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_IntegralComplex, 1268daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_FloatingComplex 1269daa8e4e888758d55a7a759dd4a91b83921cef222John McCall }; 1270daa8e4e888758d55a7a759dd4a91b83921cef222John McCall /// getScalarTypeKind - Given that this is a scalar type, classify it. 1271daa8e4e888758d55a7a759dd4a91b83921cef222John McCall ScalarTypeKind getScalarTypeKind() const; 1272daa8e4e888758d55a7a759dd4a91b83921cef222John McCall 1273898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// isDependentType - Whether this type is a dependent type, meaning 12741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// that its definition somehow depends on a template parameter 1275898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// (C++ [temp.dep.type]). 1276b870b88df784c2940efce448ebfaf54dece14666John McCall bool isDependentType() const { return TypeBits.Dependent; } 127735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 127835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /// \brief Whether this type is a variably-modified type (C99 6.7.5). 1279b870b88df784c2940efce448ebfaf54dece14666John McCall bool isVariablyModifiedType() const { return TypeBits.VariablyModified; } 12803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 12813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// \brief Whether this type involves a variable-length array type 12823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// with a definite size. 12833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall bool hasSizedVLAType() const; 128435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 1285db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor /// \brief Whether this type is or contains a local or unnamed type. 1286db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor bool hasUnnamedOrLocalType() const; 1287db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor 1288063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor bool isOverloadableType() const; 128972c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 12904033642464e8ba0982f88f34cffad808d247b393Douglas Gregor /// \brief Determine wither this type is a C++ elaborated-type-specifier. 12914033642464e8ba0982f88f34cffad808d247b393Douglas Gregor bool isElaboratedTypeSpecifier() const; 12924033642464e8ba0982f88f34cffad808d247b393Douglas Gregor 12938958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// hasPointerRepresentation - Whether this type is represented 12948958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// natively as a pointer; this includes pointers, references, block 12958958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// pointers, and Objective-C interface, qualified id, and qualified 12966e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl /// interface types, as well as nullptr_t. 12978958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar bool hasPointerRepresentation() const; 12988958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 1299820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// hasObjCPointerRepresentation - Whether this type can represent 1300820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// an objective pointer type for the purpose of GC'ability 13011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool hasObjCPointerRepresentation() const; 1302820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 1303f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an integer representation 1304f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an integer type or a vector. 1305f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasIntegerRepresentation() const; 1306f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1307f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an signed integer representation 1308f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an signed integer type or a vector. 1309f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasSignedIntegerRepresentation() const; 1310f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1311f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an unsigned integer representation 1312f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an unsigned integer type or a vector. 1313f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasUnsignedIntegerRepresentation() const; 1314f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 13158eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// \brief Determine whether this type has a floating-point representation 13168eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// of some sort, e.g., it is a floating-point type or a vector thereof. 13178eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor bool hasFloatingRepresentation() const; 1318f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1319c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Checking Functions: Check to see if this type is structurally the 1320f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // specified type, ignoring typedefs and qualifiers, and return a pointer to 1321f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // the best type we can. 1322769c9cfc6e06bd9d8ffe7a4397b939f19b0e4dc3Ted Kremenek const RecordType *getAsStructureType() const; 1323898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// NOTE: getAs*ArrayType are methods on ASTContext. 1324c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner const RecordType *getAsUnionType() const; 13254cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff const ComplexType *getAsComplexIntegerType() const; // GCC complex int type. 132614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // The following is a convenience method that returns an ObjCObjectPointerType 132714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for object declared using an interface. 132814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCInterfacePointerType() const; 132914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCQualifiedIdType() const; 1330c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getAsObjCQualifiedInterfaceType() const; 1331a91d6a6619a91d0ca7102d8ab5678d855f04d850Fariborz Jahanian const CXXRecordDecl *getCXXRecordDeclForPointerType() const; 13321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1333c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// \brief Retrieves the CXXRecordDecl that this type refers to, either 1334c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// because the type is a RecordType or because it is the injected-class-name 1335c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// type of a class template or class template partial specialization. 1336c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor CXXRecordDecl *getAsCXXRecordDecl() const; 133734b41d939a1328f484511c6002ba2456db879a29Richard Smith 133834b41d939a1328f484511c6002ba2456db879a29Richard Smith /// \brief Get the AutoType whose type will be deduced for a variable with 133934b41d939a1328f484511c6002ba2456db879a29Richard Smith /// an initializer of this type. This looks through declarators like pointer 134034b41d939a1328f484511c6002ba2456db879a29Richard Smith /// types, but not through decltype or typedefs. 134134b41d939a1328f484511c6002ba2456db879a29Richard Smith AutoType *getContainedAutoType() const; 1342c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor 1343d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// Member-template getAs<specific type>'. Look through sugar for 1344d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// an instance of <specific type>. This scheme will eventually 1345d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// replace the specific getAsXXXX methods above. 1346d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// 1347d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// There are some specializations of this member template listed 1348d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// immediately following this class. 13491a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek template <typename T> const T *getAs() const; 13501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// A variant of getAs<> for array types which silently discards 13523b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// qualifiers from the outermost type. 13533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *getAsArrayTypeUnsafe() const; 13543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 1355d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// Member-template castAs<specific type>. Look through sugar for 1356d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// the underlying instance of <specific type>. 1357d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// 1358d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// This method has the same relationship to getAs<T> as cast<T> has 1359d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// to dyn_cast<T>; which is to say, the underlying type *must* 1360d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// have the intended type, and this method will never return null. 1361d0370f59e79702ac908c81bf556519f91e9ca297John McCall template <typename T> const T *castAs() const; 1362d0370f59e79702ac908c81bf556519f91e9ca297John McCall 1363d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// A variant of castAs<> for array type which silently discards 1364d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// qualifiers from the outermost type. 1365d0370f59e79702ac908c81bf556519f91e9ca297John McCall const ArrayType *castAsArrayTypeUnsafe() const; 1366d0370f59e79702ac908c81bf556519f91e9ca297John McCall 1367d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// getBaseElementTypeUnsafe - Get the base element type of this 1368d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// type, potentially discarding type qualifiers. This method 1369d0370f59e79702ac908c81bf556519f91e9ca297John McCall /// should never be used when type qualifiers are meaningful. 1370d0370f59e79702ac908c81bf556519f91e9ca297John McCall const Type *getBaseElementTypeUnsafe() const; 1371d0370f59e79702ac908c81bf556519f91e9ca297John McCall 1372c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// getArrayElementTypeNoTypeQual - If this is an array type, return the 1373c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// element type of the array, potentially with type qualifiers missing. 1374c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// This method should never be used when type qualifiers are meaningful. 1375c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const Type *getArrayElementTypeNoTypeQual() const; 13761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1377f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// getPointeeType - If this is a pointer, ObjC object pointer, or block 1378f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// pointer, this returns the respective pointee. 137914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const; 13801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1381bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// getUnqualifiedDesugaredType() - Return the specified type with 1382bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// any "sugar" removed from the type, removing any typedefs, 1383bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// typeofs, etc., as well as any qualifiers. 1384bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall const Type *getUnqualifiedDesugaredType() const; 13851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// More type predicates useful for type checking/promotion 13875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPromotableIntegerType() const; // C99 6.3.1.1p2 13885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isSignedIntegerType - Return true if this is an integer type that is 1390d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// signed, according to C99 6.2.5p4 [char, signed char, short, int, long..], 1391d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// an enum decl which has a signed representation, or a vector of signed 1392d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// integer element type. 13935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSignedIntegerType() const; 13945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isUnsignedIntegerType - Return true if this is an integer type that is 1396d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// unsigned, according to C99 6.2.5p6 [which returns true for _Bool], an enum 1397d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// decl which has an unsigned representation, or a vector of unsigned integer 1398d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// element type. 13995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isUnsignedIntegerType() const; 1400d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner 14015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isConstantSizeType - Return true if this is not a variable sized type, 14029bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// according to the rules of C99 6.7.5p3. It is not legal to call this on 14039bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// incomplete types. 14043c2b3170041f69a92904e3bab9b6d654eaf260acEli Friedman bool isConstantSizeType() const; 1405c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 140622b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// isSpecifierType - Returns true if this type can be represented by some 140722b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// set of type specifiers. 140822b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman bool isSpecifierType() const; 140922b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman 14100b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor /// \brief Determine the linkage of this type. 141160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor Linkage getLinkage() const; 14121fb0caaa7bef765b85972274e3b434af2572c141John McCall 14131fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Determine the visibility of this type. 14141fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility getVisibility() const; 14151fb0caaa7bef765b85972274e3b434af2572c141John McCall 14161fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Determine the linkage and visibility of this type. 14171fb0caaa7bef765b85972274e3b434af2572c141John McCall std::pair<Linkage,Visibility> getLinkageAndVisibility() const; 141860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 141960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor /// \brief Note that the linkage is no longer known. 142060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor void ClearLinkageCache(); 142160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 142260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor const char *getTypeClassName() const; 14230b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1424ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall QualType getCanonicalTypeInternal() const { 1425ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall return CanonicalType; 1426ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall } 1427ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall CanQualType getCanonicalTypeUnqualified() const; // in CanonicalType.h 1428c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 14295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *) { return true; } 1430be191100e034b23a3e13053757a57b7f5068c24aArgyrios Kyrtzidis 1431c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; 1432a4232eb646d89e7d52424bb42eb87d9061f39e63Sebastian Redl friend class ASTWriter; 14335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 14345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1435183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const TypedefType *Type::getAs() const { 1436183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall return dyn_cast<TypedefType>(this); 1437183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1438183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1439183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// We can do canonical leaf types faster, because we don't have to 1440183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// worry about preserving child type decoration. 1441183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define TYPE(Class, Base) 1442183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define LEAF_TYPE(Class) \ 1443183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const Class##Type *Type::getAs() const { \ 14440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return dyn_cast<Class##Type>(CanonicalType); \ 1445d0370f59e79702ac908c81bf556519f91e9ca297John McCall} \ 1446d0370f59e79702ac908c81bf556519f91e9ca297John McCalltemplate <> inline const Class##Type *Type::castAs() const { \ 1447d0370f59e79702ac908c81bf556519f91e9ca297John McCall return cast<Class##Type>(CanonicalType); \ 1448183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1449183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#include "clang/AST/TypeNodes.def" 1450183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1451183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 14525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BuiltinType - This class is used for builtin types like 'int'. Builtin 14535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types are always canonical and have a literal name field. 14545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BuiltinType : public Type { 14555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 14565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Kind { 14575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Void, 14581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Bool, // This is bool and/or _Bool. 14605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_U, // This is 'char' for targets where char is unsigned. 14615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UChar, // This is explicitly qualified unsigned char. 14623f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner WChar_U, // This is 'wchar_t' for C++, when unsigned. 1463f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16, // This is 'char16_t' for C++. 1464f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32, // This is 'char32_t' for C++. 14655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UShort, 14665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UInt, 14675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULong, 14685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULongLong, 14692df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner UInt128, // __uint128_t 14701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_S, // This is 'char' for targets where char is signed. 14725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SChar, // This is explicitly qualified signed char. 14733f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner WChar_S, // This is 'wchar_t' for C++, when signed. 14745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Short, 14755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Int, 14765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Long, 14775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongLong, 14782df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner Int128, // __int128_t 14791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14808e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor Float, Double, LongDouble, 14818e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 14826e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl NullPtr, // This is the type of C++0x 'nullptr'. 14836e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 14842a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// This represents the type of an expression whose type is 14852a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// totally unknown, e.g. 'T::foo'. It is permitted for this to 14862a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// appear in situations where the structure of the type is 14872a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// theoretically deducible. 14882a984cad5ac3fdceeff2bd99daa7b90979313475John McCall Dependent, 14892a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 1490898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Overload, // This represents the type of an overloaded function declaration. 14911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1492e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The primitive Objective C 'id' type. The type pointed to by the 1493e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user-visible 'id' type. Only ever shows up in an AST as the base 1494e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type of an ObjCObjectType. 1495e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall ObjCId, 1496e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 1497e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The primitive Objective C 'Class' type. The type pointed to by the 1498e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user-visible 'Class' type. Only ever shows up in an AST as the 1499e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// base type of an ObjCObjectType. 1500e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall ObjCClass, 1501e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 150213dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSel // This represents the ObjC 'SEL' type. 15035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 150471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 15055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 15061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BuiltinType(Kind K) 150735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(Builtin, QualType(), /*Dependent=*/(K == Dependent), 1508d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, 1509d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*Unexpanded paramter pack=*/false) { 1510b870b88df784c2940efce448ebfaf54dece14666John McCall BuiltinTypeBits.Kind = K; 151171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 15121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1513b870b88df784c2940efce448ebfaf54dece14666John McCall Kind getKind() const { return static_cast<Kind>(BuiltinTypeBits.Kind); } 1514e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const char *getName(const LangOptions &LO) const; 15151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1516bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1517bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1518bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1519680523a91dd3351389667c8de17121ba7ae82673John McCall bool isInteger() const { 152071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Bool && getKind() <= Int128; 1521680523a91dd3351389667c8de17121ba7ae82673John McCall } 1522680523a91dd3351389667c8de17121ba7ae82673John McCall 1523680523a91dd3351389667c8de17121ba7ae82673John McCall bool isSignedInteger() const { 152471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Char_S && getKind() <= Int128; 1525680523a91dd3351389667c8de17121ba7ae82673John McCall } 1526680523a91dd3351389667c8de17121ba7ae82673John McCall 1527680523a91dd3351389667c8de17121ba7ae82673John McCall bool isUnsignedInteger() const { 152871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Bool && getKind() <= UInt128; 1529680523a91dd3351389667c8de17121ba7ae82673John McCall } 1530680523a91dd3351389667c8de17121ba7ae82673John McCall 1531680523a91dd3351389667c8de17121ba7ae82673John McCall bool isFloatingPoint() const { 153271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Float && getKind() <= LongDouble; 1533680523a91dd3351389667c8de17121ba7ae82673John McCall } 1534680523a91dd3351389667c8de17121ba7ae82673John McCall 15352a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// Determines whether this type is a "forbidden" placeholder type, 15362a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// i.e. a type which cannot appear in arbitrary positions in a 15372a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// fully-formed expression. 15382a984cad5ac3fdceeff2bd99daa7b90979313475John McCall bool isPlaceholderType() const { 153934b41d939a1328f484511c6002ba2456db879a29Richard Smith return getKind() == Overload; 15402a984cad5ac3fdceeff2bd99daa7b90979313475John McCall } 15412a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 15425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Builtin; } 15435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BuiltinType *) { return true; } 15445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 15455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ComplexType - C99 6.2.5p11 - Complex values. This supports the C99 complex 15475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types (_Complex float etc) as well as the GCC integer complex extensions. 15485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 15495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ComplexType : public Type, public llvm::FoldingSetNode { 15505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 15515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType(QualType Element, QualType CanonicalPtr) : 155235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Complex, CanonicalPtr, Element->isDependentType(), 1553d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Element->isVariablyModifiedType(), 1554d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Element->containsUnexpandedParameterPack()), 1555898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ElementType(Element) { 15565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 155860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 15595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 15605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 15611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1562bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1563bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1564bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 15655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 15665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getElementType()); 15675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Element) { 15695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Element.getAsOpaquePtr()); 15705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Complex; } 15735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ComplexType *) { return true; } 15745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 15755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1576075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara/// ParenType - Sugar for parentheses used when specifying types. 1577075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara/// 1578075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnaraclass ParenType : public Type, public llvm::FoldingSetNode { 1579075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType Inner; 1580075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1581075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType(QualType InnerType, QualType CanonType) : 1582075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Type(Paren, CanonType, InnerType->isDependentType(), 1583d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor InnerType->isVariablyModifiedType(), 1584d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor InnerType->containsUnexpandedParameterPack()), 1585075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Inner(InnerType) { 1586075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1587075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara friend class ASTContext; // ASTContext creates these. 1588075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1589075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnarapublic: 1590075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1591075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType getInnerType() const { return Inner; } 1592075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1593075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara bool isSugared() const { return true; } 1594075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType desugar() const { return getInnerType(); } 1595075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1596075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara void Profile(llvm::FoldingSetNodeID &ID) { 1597075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Profile(ID, getInnerType()); 1598075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1599075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static void Profile(llvm::FoldingSetNodeID &ID, QualType Inner) { 1600075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Inner.Profile(ID); 1601075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1602075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1603075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static bool classof(const Type *T) { return T->getTypeClass() == Paren; } 1604075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static bool classof(const ParenType *) { return true; } 1605075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara}; 1606075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 160768694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar/// PointerType - C99 6.7.5.1 - Pointer Declarators. 1608bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner/// 160968694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass PointerType : public Type, public llvm::FoldingSetNode { 1610bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner QualType PointeeType; 16115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType(QualType Pointee, QualType CanonicalPtr) : 161335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Pointer, CanonicalPtr, Pointee->isDependentType(), 1614d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->isVariablyModifiedType(), 1615d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->containsUnexpandedParameterPack()), 161635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor PointeeType(Pointee) { 16175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 16185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 161960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 16205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 16211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 162268694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType getPointeeType() const { return PointeeType; } 162368694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 1624bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1625bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1626bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 16275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 16285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getPointeeType()); 16295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 16305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 16315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Pointee.getAsOpaquePtr()); 16325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 16331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Pointer; } 16355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const PointerType *) { return true; } 16365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 16375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16385618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// BlockPointerType - pointer to a block type. 16395618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// This type is to represent types syntactically represented as 16405618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// "void (^)(int)", etc. Pointee is required to always be a function type. 16415618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// 16425618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffclass BlockPointerType : public Type, public llvm::FoldingSetNode { 16435618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType PointeeType; // Block is some kind of pointer type 16445618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType(QualType Pointee, QualType CanonicalCls) : 164535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(BlockPointer, CanonicalCls, Pointee->isDependentType(), 1646d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->isVariablyModifiedType(), 1647d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->containsUnexpandedParameterPack()), 1648898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor PointeeType(Pointee) { 16495618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 16505618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff friend class ASTContext; // ASTContext creates these. 165160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 16525618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffpublic: 16531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16545618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the pointee type. Pointee is required to always be a function type. 16555618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getPointeeType() const { return PointeeType; } 16565618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 1657bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1658bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1659bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 16605618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 16615618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Profile(ID, getPointeeType()); 16625618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 16635618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 16645618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff ID.AddPointer(Pointee.getAsOpaquePtr()); 16655618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 16661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 16681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == BlockPointer; 16695618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 16705618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static bool classof(const BlockPointerType *) { return true; } 16715618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff}; 16725618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 16737c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// ReferenceType - Base for LValueReferenceType and RValueReferenceType 16745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 167568694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass ReferenceType : public Type, public llvm::FoldingSetNode { 167668694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType PointeeType; 167768694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 16787c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlprotected: 167954e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(TypeClass tc, QualType Referencee, QualType CanonicalRef, 168054e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 168135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(tc, CanonicalRef, Referencee->isDependentType(), 1682d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Referencee->isVariablyModifiedType(), 1683d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Referencee->containsUnexpandedParameterPack()), 1684d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor PointeeType(Referencee) 1685d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor { 1686b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBits.SpelledAsLValue = SpelledAsLValue; 1687b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBits.InnerRef = Referencee->isReferenceType(); 16885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 168960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 16905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1691b870b88df784c2940efce448ebfaf54dece14666John McCall bool isSpelledAsLValue() const { return ReferenceTypeBits.SpelledAsLValue; } 1692b870b88df784c2940efce448ebfaf54dece14666John McCall bool isInnerRef() const { return ReferenceTypeBits.InnerRef; } 169373dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 169454e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeTypeAsWritten() const { return PointeeType; } 169554e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeType() const { 169654e14c4db764c0636160d26c5bbf491637c83a76John McCall // FIXME: this might strip inner qualifiers; okay? 169754e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *T = this; 169871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall while (T->isInnerRef()) 1699d0370f59e79702ac908c81bf556519f91e9ca297John McCall T = T->PointeeType->castAs<ReferenceType>(); 170054e14c4db764c0636160d26c5bbf491637c83a76John McCall return T->PointeeType; 170154e14c4db764c0636160d26c5bbf491637c83a76John McCall } 170268694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 17035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 170471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Profile(ID, PointeeType, isSpelledAsLValue()); 17055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 170654e14c4db764c0636160d26c5bbf491637c83a76John McCall static void Profile(llvm::FoldingSetNodeID &ID, 170754e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Referencee, 170854e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) { 17095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Referencee.getAsOpaquePtr()); 171054e14c4db764c0636160d26c5bbf491637c83a76John McCall ID.AddBoolean(SpelledAsLValue); 17115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 17125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17137c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 17147c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference || 17157c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl T->getTypeClass() == RValueReference; 17167c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 17175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReferenceType *) { return true; } 17187c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 17197c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 17207c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// LValueReferenceType - C++ [dcl.ref] - Lvalue reference 17217c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 17227c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass LValueReferenceType : public ReferenceType { 172354e14c4db764c0636160d26c5bbf491637c83a76John McCall LValueReferenceType(QualType Referencee, QualType CanonicalRef, 172454e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 172554e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(LValueReference, Referencee, CanonicalRef, SpelledAsLValue) 172654e14c4db764c0636160d26c5bbf491637c83a76John McCall {} 17277c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 17287c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 1729bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1730bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1731bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 17327c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 17337c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference; 17347c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 17357c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const LValueReferenceType *) { return true; } 17367c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 17377c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 17387c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// RValueReferenceType - C++0x [dcl.ref] - Rvalue reference 17397c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 17407c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass RValueReferenceType : public ReferenceType { 17417c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType(QualType Referencee, QualType CanonicalRef) : 174254e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(RValueReference, Referencee, CanonicalRef, false) { 17437c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 17447c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 17457c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 1746bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1747bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1748bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 17497c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 17507c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == RValueReference; 17517c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 17527c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const RValueReferenceType *) { return true; } 1753f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl}; 1754f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1755f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// MemberPointerType - C++ 8.3.3 - Pointers to members 1756f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// 1757f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlclass MemberPointerType : public Type, public llvm::FoldingSetNode { 1758f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType PointeeType; 1759f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// The class of which the pointee is a member. Must ultimately be a 1760f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// RecordType, but could be a typedef or a template parameter too. 1761f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class; 1762f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1763f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType(QualType Pointee, const Type *Cls, QualType CanonicalPtr) : 1764f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Type(MemberPointer, CanonicalPtr, 176535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Cls->isDependentType() || Pointee->isDependentType(), 1766d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->isVariablyModifiedType(), 1767d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor (Cls->containsUnexpandedParameterPack() || 1768d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Pointee->containsUnexpandedParameterPack())), 1769f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl PointeeType(Pointee), Class(Cls) { 1770f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1771f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl friend class ASTContext; // ASTContext creates these. 177260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 1773f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlpublic: 1774f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getPointeeType() const { return PointeeType; } 1775f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 17760bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Returns true if the member type (i.e. the pointee type) is a 17770bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// function type rather than a data-member type. 17780bab0cdab751248ca389a5592bcb70eac5d39260John McCall bool isMemberFunctionPointer() const { 17790bab0cdab751248ca389a5592bcb70eac5d39260John McCall return PointeeType->isFunctionProtoType(); 17800bab0cdab751248ca389a5592bcb70eac5d39260John McCall } 17810bab0cdab751248ca389a5592bcb70eac5d39260John McCall 17820bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Returns true if the member type (i.e. the pointee type) is a 17830bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// data type rather than a function type. 17840bab0cdab751248ca389a5592bcb70eac5d39260John McCall bool isMemberDataPointer() const { 17850bab0cdab751248ca389a5592bcb70eac5d39260John McCall return !PointeeType->isFunctionProtoType(); 17860bab0cdab751248ca389a5592bcb70eac5d39260John McCall } 17870bab0cdab751248ca389a5592bcb70eac5d39260John McCall 1788f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *getClass() const { return Class; } 1789f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1790bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1791bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1792bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1793f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void Profile(llvm::FoldingSetNodeID &ID) { 1794f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Profile(ID, getPointeeType(), getClass()); 1795f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1796f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee, 1797f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class) { 1798f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Pointee.getAsOpaquePtr()); 1799f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Class); 1800f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1801f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1802f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const Type *T) { 1803f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return T->getTypeClass() == MemberPointer; 1804f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1805f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const MemberPointerType *) { return true; } 18065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 18075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArrayType - C99 6.7.5.2 - Array Declarators. 18095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 18102e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ArrayType : public Type, public llvm::FoldingSetNode { 18115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 18125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ArraySizeModifier - Capture whether this is a normal array (e.g. int X[4]) 1813898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// an array with a static size (e.g. int X[static 4]), or an array 1814898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// with a star size (e.g. int X[*]). 1815898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// 'static' is only allowed on function parameters. 18165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum ArraySizeModifier { 18175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Normal, Static, Star 18185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 18195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 1820fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff /// ElementType - The element type of the array. 1821fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType ElementType; 18221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1823fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffprotected: 1824898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // C++ [temp.dep.type]p1: 1825898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // A type is dependent if it is... 1826898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // - an array type constructed from any dependent type or whose 1827898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // size is specified by a constant expression that is 1828898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // value-dependent, 1829c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType(TypeClass tc, QualType et, QualType can, 1830d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ArraySizeModifier sm, unsigned tq, 1831d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool ContainsUnexpandedParameterPack) 183235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(tc, can, et->isDependentType() || tc == DependentSizedArray, 1833d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor (tc == VariableArray || et->isVariablyModifiedType()), 1834d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ContainsUnexpandedParameterPack), 183571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ElementType(et) { 1836b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBits.IndexTypeQuals = tq; 1837b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBits.SizeModifier = sm; 183871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 1839898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1840fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 184160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 1842fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 1843fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType getElementType() const { return ElementType; } 1844ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek ArraySizeModifier getSizeModifier() const { 1845b870b88df784c2940efce448ebfaf54dece14666John McCall return ArraySizeModifier(ArrayTypeBits.SizeModifier); 1846ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek } 18470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getIndexTypeQualifiers() const { 184871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Qualifiers::fromCVRMask(getIndexTypeCVRQualifiers()); 184971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 185071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall unsigned getIndexTypeCVRQualifiers() const { 1851b870b88df784c2940efce448ebfaf54dece14666John McCall return ArrayTypeBits.IndexTypeQuals; 18520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 18531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1854fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const Type *T) { 1855fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff return T->getTypeClass() == ConstantArray || 1856c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman T->getTypeClass() == VariableArray || 1857898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == IncompleteArray || 1858898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == DependentSizedArray; 1859fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1860fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ArrayType *) { return true; } 1861fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 1862fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 18637e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// ConstantArrayType - This class represents the canonical version of 18647e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// C arrays with a specified constant size. For example, the canonical 18657e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type for 'int A[4 + 4*100]' is a ConstantArrayType where the element 18667e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type is 'int' and the size is 404. 18672e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ConstantArrayType : public ArrayType { 1868fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff llvm::APInt Size; // Allows us to unique the type. 18691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18700be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType(QualType et, QualType can, const llvm::APInt &size, 1871c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArraySizeModifier sm, unsigned tq) 1872d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(ConstantArray, et, can, sm, tq, 1873d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor et->containsUnexpandedParameterPack()), 18747e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Size(size) {} 18757e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregorprotected: 18767e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ConstantArrayType(TypeClass tc, QualType et, QualType can, 18777e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor const llvm::APInt &size, ArraySizeModifier sm, unsigned tq) 1878d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(tc, et, can, sm, tq, et->containsUnexpandedParameterPack()), 1879d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Size(size) {} 1880fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 1881fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 1882c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const llvm::APInt &getSize() const { return Size; } 1883bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1884bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1885bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 18862767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 18872767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the number of bits required to address a member of 18882767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor // an array with the given element type and number of elements. 18892767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getNumAddressingBits(ASTContext &Context, 18902767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor QualType ElementType, 18912767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor const llvm::APInt &NumElements); 18922767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 18932767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the maximum number of active bits that an array's size 18942767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// can require, which limits the maximum size of the array. 18952767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getMaxSizeBits(ASTContext &Context); 18962767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 1897fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 18981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, getElementType(), getSize(), 18990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers()); 1900fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1901fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 19020be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner const llvm::APInt &ArraySize, ArraySizeModifier SizeMod, 19030be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner unsigned TypeQuals) { 1904fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddPointer(ET.getAsOpaquePtr()); 1905fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddInteger(ArraySize.getZExtValue()); 19060be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 19070be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 1908fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 19097e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor static bool classof(const Type *T) { 191046a617a792bfab0d9b1e057371ea3b9540802226John McCall return T->getTypeClass() == ConstantArray; 1911fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1912fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ConstantArrayType *) { return true; } 1913fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 1914fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 1915da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// IncompleteArrayType - This class represents C arrays with an unspecified 1916da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// size. For example 'int A[]' has an IncompleteArrayType where the element 1917da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// type is 'int' and the size is unspecified. 1918c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanclass IncompleteArrayType : public ArrayType { 19197e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 1920c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType(QualType et, QualType can, 19217e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq) 1922d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(IncompleteArray, et, can, sm, tq, 1923d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor et->containsUnexpandedParameterPack()) {} 1924c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class ASTContext; // ASTContext creates these. 1925c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanpublic: 1926bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1927bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1928bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 19291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 19301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == IncompleteArray; 1931c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 1932c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman static bool classof(const IncompleteArrayType *) { return true; } 19331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1934c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class StmtIteratorBase; 19351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1936c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void Profile(llvm::FoldingSetNodeID &ID) { 19370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Profile(ID, getElementType(), getSizeModifier(), 19380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getIndexTypeCVRQualifiers()); 1939c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 19401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19410be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 19420be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ArraySizeModifier SizeMod, unsigned TypeQuals) { 1943c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ID.AddPointer(ET.getAsOpaquePtr()); 19440be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 19450be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 1946c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 1947c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman}; 1948c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1949da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// VariableArrayType - This class represents C arrays with a specified size 1950da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// which is not an integer-constant-expression. For example, 'int s[x+foo()]'. 1951da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Since the size expression is an arbitrary expression, we store it as such. 1952da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 1953da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Note: VariableArrayType's aren't uniqued (since the expressions aren't) and 1954da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// should not be: two lexically equivalent variable array types could mean 1955da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// different things, for example, these variables do not have the same type 1956da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// dynamically: 1957da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 1958da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// void foo(int x) { 1959da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Y[x]; 1960da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// ++x; 1961da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Z[x]; 1962da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// } 1963da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 19642e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass VariableArrayType : public ArrayType { 19651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// SizeExpr - An assignment expression. VLA's are only permitted within 19661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// a function block. 1967b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek Stmt *SizeExpr; 19687e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 19697e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 19707e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 1971c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff VariableArrayType(QualType et, QualType can, Expr *e, 19727e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq, 19737e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange brackets) 1974d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : ArrayType(VariableArray, et, can, sm, tq, 1975d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor et->containsUnexpandedParameterPack()), 19767e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SizeExpr((Stmt*) e), Brackets(brackets) {} 19775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 19784b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 19795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 19801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 1981b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // We use C-style casts instead of cast<> here because we do not wish 1982b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // to have a dependency of Type.h on Stmt.h/Expr.h. 1983b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek return (Expr*) SizeExpr; 1984b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek } 19857e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 19867e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 19877e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 19881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1989bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1990bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1991bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 19921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 19931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == VariableArray; 19945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1995fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const VariableArrayType *) { return true; } 19961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 199792866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek friend class StmtIteratorBase; 19981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19992bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) { 2000bc5e150b6d94cf131f7d01bc715571b741c5b408Chris Lattner assert(0 && "Cannnot unique VariableArrayTypes."); 20012bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 20025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 20035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2004898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// DependentSizedArrayType - This type represents an array type in 2005898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// C++ whose size is a value-dependent expression. For example: 2006cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 2007cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \code 20081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// template<typename T, int Size> 2009898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// class array { 2010898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// T data[Size]; 2011898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// }; 2012cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \endcode 2013cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 2014898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// For these types, we won't actually know what the array bound is 2015898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// until template instantiation occurs, at which point this will 2016898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// become either a ConstantArrayType or a VariableArrayType. 2017898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorclass DependentSizedArrayType : public ArrayType { 20184ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 20191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2020cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// \brief An assignment expression that will instantiate to the 2021898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// size of the array. 2022cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// 2023cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// The expression itself might be NULL, in which case the array 2024cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// type will have its size deduced from an initializer. 2025898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Stmt *SizeExpr; 2026cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 20277e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 20287e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 20291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20304ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentSizedArrayType(const ASTContext &Context, QualType et, QualType can, 203104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor Expr *e, ArraySizeModifier sm, unsigned tq, 2032d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor SourceRange brackets); 2033d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2034898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class ASTContext; // ASTContext creates these. 2035898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2036898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorpublic: 20371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 2038898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // We use C-style casts instead of cast<> here because we do not wish 2039898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // to have a dependency of Type.h on Stmt.h/Expr.h. 2040898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return (Expr*) SizeExpr; 2041898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 20427e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 20437e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 20447e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 20451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2046bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2047bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2048bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 20491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 20501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedArray; 2051898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 2052898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool classof(const DependentSizedArrayType *) { return true; } 20531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2054898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class StmtIteratorBase; 20551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2057898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 20581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, Context, getElementType(), 20590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers(), getSizeExpr()); 2060898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 20611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20624ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 20631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType ET, ArraySizeModifier SizeMod, 206404d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor unsigned TypeQuals, Expr *E); 2065898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor}; 2066898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2067f6ddb737cb882ffbf0b75a9abd50b930cc2b9068Douglas Gregor/// DependentSizedExtVectorType - This type represent an extended vector type 20689cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// where either the type or size is dependent. For example: 20699cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @code 20709cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// template<typename T, int Size> 20719cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// class vector { 20729cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// typedef T __attribute__((ext_vector_type(Size))) type; 20739cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// } 20749cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @endcode 20752ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregorclass DependentSizedExtVectorType : public Type, public llvm::FoldingSetNode { 20764ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 20779cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr; 20789cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// ElementType - The element type of the array. 20799cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType ElementType; 20809cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation loc; 20811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20824ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentSizedExtVectorType(const ASTContext &Context, QualType ElementType, 2083d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor QualType can, Expr *SizeExpr, SourceLocation loc); 2084d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 20859cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor friend class ASTContext; 20869cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 20879cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregorpublic: 20882ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Expr *getSizeExpr() const { return SizeExpr; } 20899cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType getElementType() const { return ElementType; } 20909cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation getAttributeLoc() const { return loc; } 20919cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 2092bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2093bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2094bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 20951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 20961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedExtVector; 20979cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor } 20981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const DependentSizedExtVectorType *) { return true; } 20992ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor 21002ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 21012ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Profile(ID, Context, getElementType(), getSizeExpr()); 21022ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 21031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21044ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 21052ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType ElementType, Expr *SizeExpr); 21069cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor}; 21071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21089cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 210973322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// VectorType - GCC generic vector type. This type is created using 21101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// __attribute__((vector_size(n)), where "n" specifies the vector size in 211182287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// bytes; or from an Altivec __vector or vector declaration. 211282287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// Since the constructor takes the number of vector elements, the 211373322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// client is responsible for converting the size into the number of elements. 21145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass VectorType : public Type, public llvm::FoldingSetNode { 2115788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattnerpublic: 2116e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson enum VectorKind { 2117e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson GenericVector, // not a target-specific vector type 2118e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecVector, // is AltiVec vector 2119e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecPixel, // is AltiVec 'vector Pixel' 2120e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecBool, // is AltiVec 'vector bool ...' 2121491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson NeonVector, // is ARM Neon vector 2122491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson NeonPolyVector // is ARM Neon polynomial vector 2123788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner }; 212473322924127c873c13101b705dd823f5539ffa5fSteve Naroffprotected: 21255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ElementType - The element type of the vector. 21265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 21271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 212882287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType(QualType vecType, unsigned nElements, QualType canonType, 2129d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor VectorKind vecKind); 213035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 21311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump VectorType(TypeClass tc, QualType vecType, unsigned nElements, 2132d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor QualType canonType, VectorKind vecKind); 2133d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 21345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 213560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 21365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 21371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 2139b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getNumElements() const { return VectorTypeBits.NumElements; } 21405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2141bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2142bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2143bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2144e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorKind getVectorKind() const { 2145e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson return VectorKind(VectorTypeBits.VecKind); 214671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2147788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 21485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 214971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Profile(ID, getElementType(), getNumElements(), 2150e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson getTypeClass(), getVectorKind()); 21515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 21521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ElementType, 215382287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson unsigned NumElements, TypeClass TypeClass, 2154e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorKind VecKind) { 21555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ElementType.getAsOpaquePtr()); 21565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddInteger(NumElements); 215773322924127c873c13101b705dd823f5539ffa5fSteve Naroff ID.AddInteger(TypeClass); 2158e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson ID.AddInteger(VecKind); 215973322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 21600b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 21611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 21621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == Vector || T->getTypeClass() == ExtVector; 21635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 21645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const VectorType *) { return true; } 21655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 21665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2167213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// ExtVectorType - Extended vector type. This type is created using 2168213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// __attribute__((ext_vector_type(n)), where "n" is the number of elements. 2169213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// Unlike vector_size, ext_vector_type is only allowed on typedef's. This 2170fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// class enables syntactic extensions, like Vector Components for accessing 2171fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// points, colors, and textures (modeled after OpenGL Shading Language). 2172213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemanclass ExtVectorType : public VectorType { 2173213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman ExtVectorType(QualType vecType, unsigned nElements, QualType canonType) : 2174e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType(ExtVector, vecType, nElements, canonType, GenericVector) {} 217573322924127c873c13101b705dd823f5539ffa5fSteve Naroff friend class ASTContext; // ASTContext creates these. 217673322924127c873c13101b705dd823f5539ffa5fSteve Naroffpublic: 217788dca0464804b8b26ae605f89784c927e8493dddChris Lattner static int getPointAccessorIdx(char c) { 217888dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 217988dca0464804b8b26ae605f89784c927e8493dddChris Lattner default: return -1; 218088dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'x': return 0; 218188dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'y': return 1; 218288dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'z': return 2; 218388dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'w': return 3; 218488dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 2185e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 2186353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman static int getNumericAccessorIdx(char c) { 218788dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 2188353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman default: return -1; 2189353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '0': return 0; 2190353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '1': return 1; 2191353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '2': return 2; 2192353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '3': return 3; 2193353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '4': return 4; 2194353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '5': return 5; 2195353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '6': return 6; 2196353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '7': return 7; 2197353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '8': return 8; 2198353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '9': return 9; 2199131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'A': 2200353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'a': return 10; 2201131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'B': 2202353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'b': return 11; 2203131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'C': 2204353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'c': return 12; 2205131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'D': 2206353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'd': return 13; 2207131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'E': 2208353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'e': return 14; 2209131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'F': 2210353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'f': return 15; 221188dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 2212e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 22131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2214b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner static int getAccessorIdx(char c) { 2215b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getPointAccessorIdx(c)+1) return idx-1; 2216353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman return getNumericAccessorIdx(c); 2217b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner } 22181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 221988dca0464804b8b26ae605f89784c927e8493dddChris Lattner bool isAccessorWithinNumElements(char c) const { 2220b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getAccessorIdx(c)+1) 222171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return unsigned(idx-1) < getNumElements(); 222288dca0464804b8b26ae605f89784c927e8493dddChris Lattner return false; 2223e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 2224bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2225bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2226bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 22271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 22281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ExtVector; 222973322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 2230213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman static bool classof(const ExtVectorType *) { return true; } 223173322924127c873c13101b705dd823f5539ffa5fSteve Naroff}; 223273322924127c873c13101b705dd823f5539ffa5fSteve Naroff 22335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// FunctionType - C99 6.7.5.3 - Function Declarators. This is the common base 223472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// class of FunctionNoProtoType and FunctionProtoType. 22355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 22365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FunctionType : public Type { 22375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // The type returned by the function. 22385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ResultType; 2239264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2240264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 2241373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// ExtInfo - A class which abstracts out some details necessary for 2242373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// making a call. 2243373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// 2244373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// It is not actually used directly for storing this information in 2245373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// a FunctionType, although FunctionType does currently use the 2246373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// same bit-pattern. 2247373920bd733b1d28fe7bf209945a62eb9248d948John McCall /// 2248075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // If you add a field (say Foo), other than the obvious places (both, 2249075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // constructors, compile failures), what you need to update is 2250075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // * Operator== 2251425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * getFoo 2252425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * withFoo 2253425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * functionType. Add Foo, getFoo. 2254425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::getFooType 2255425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::mergeFunctionTypes 2256425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionNoProtoType::Profile 2257425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionProtoType::Profile 2258425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * TypePrinter::PrintFunctionProto 22593c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // * AST read and write 2260425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * Codegen 2261264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola class ExtInfo { 2262373920bd733b1d28fe7bf209945a62eb9248d948John McCall // Feel free to rearrange or add bits, but if you go over 8, 2263373920bd733b1d28fe7bf209945a62eb9248d948John McCall // you'll need to adjust both the Bits field below and 2264373920bd733b1d28fe7bf209945a62eb9248d948John McCall // Type::FunctionTypeBitfields. 2265373920bd733b1d28fe7bf209945a62eb9248d948John McCall 2266373920bd733b1d28fe7bf209945a62eb9248d948John McCall // | CC |noreturn|regparm 2267373920bd733b1d28fe7bf209945a62eb9248d948John McCall // |0 .. 2| 3 |4 .. 6 2268b870b88df784c2940efce448ebfaf54dece14666John McCall enum { CallConvMask = 0x7 }; 2269b870b88df784c2940efce448ebfaf54dece14666John McCall enum { NoReturnMask = 0x8 }; 2270b870b88df784c2940efce448ebfaf54dece14666John McCall enum { RegParmMask = ~(CallConvMask | NoReturnMask), 2271b870b88df784c2940efce448ebfaf54dece14666John McCall RegParmOffset = 4 }; 2272b870b88df784c2940efce448ebfaf54dece14666John McCall 2273373920bd733b1d28fe7bf209945a62eb9248d948John McCall unsigned char Bits; 227471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 2275373920bd733b1d28fe7bf209945a62eb9248d948John McCall ExtInfo(unsigned Bits) : Bits(static_cast<unsigned char>(Bits)) {} 227671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 227771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall friend class FunctionType; 227871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 2279264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 2280264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with no defaults. Use this when you know that you 22813c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // have all the elements (when reading an AST file for example). 228271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo(bool noReturn, unsigned regParm, CallingConv cc) { 2283b870b88df784c2940efce448ebfaf54dece14666John McCall Bits = ((unsigned) cc) | 2284b870b88df784c2940efce448ebfaf54dece14666John McCall (noReturn ? NoReturnMask : 0) | 2285b870b88df784c2940efce448ebfaf54dece14666John McCall (regParm << RegParmOffset); 228671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2287264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2288264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with all defaults. Use when for example creating a 2289264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // function know to use defaults. 229071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo() : Bits(0) {} 2291264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2292b870b88df784c2940efce448ebfaf54dece14666John McCall bool getNoReturn() const { return Bits & NoReturnMask; } 2293b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getRegParm() const { return Bits >> RegParmOffset; } 2294b870b88df784c2940efce448ebfaf54dece14666John McCall CallingConv getCC() const { return CallingConv(Bits & CallConvMask); } 2295264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 229671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool operator==(ExtInfo Other) const { 229771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Bits == Other.Bits; 2298264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 229971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool operator!=(ExtInfo Other) const { 230071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Bits != Other.Bits; 2301264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2302264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2303264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Note that we don't have setters. That is by design, use 2304264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // the following with methods instead of mutating these objects. 2305264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2306264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withNoReturn(bool noReturn) const { 230771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall if (noReturn) 230871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return ExtInfo(Bits | NoReturnMask); 230971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall else 231071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return ExtInfo(Bits & ~NoReturnMask); 2311425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola } 2312425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 2313425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola ExtInfo withRegParm(unsigned RegParm) const { 2314b870b88df784c2940efce448ebfaf54dece14666John McCall return ExtInfo((Bits & ~RegParmMask) | (RegParm << RegParmOffset)); 2315264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2316264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2317264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withCallingConv(CallingConv cc) const { 2318b870b88df784c2940efce448ebfaf54dece14666John McCall return ExtInfo((Bits & ~CallConvMask) | (unsigned) cc); 2319264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2320264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2321e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall void Profile(llvm::FoldingSetNodeID &ID) const { 232271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ID.AddInteger(Bits); 232371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2324264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola }; 2325264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 23265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 2327e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionType(TypeClass tc, QualType res, bool variadic, 2328c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor unsigned typeQuals, RefQualifierKind RefQualifier, 2329c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor QualType Canonical, bool Dependent, 2330d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool VariablyModified, bool ContainsUnexpandedParameterPack, 2331d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ExtInfo Info) 2332d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(tc, Canonical, Dependent, VariablyModified, 2333d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ContainsUnexpandedParameterPack), 2334d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ResultType(res) { 2335b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.ExtInfo = Info.Bits; 2336e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionTypeBits.Variadic = variadic; 2337b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.TypeQuals = typeQuals; 2338c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor FunctionTypeBits.RefQualifier = static_cast<unsigned>(RefQualifier); 233971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2340e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall bool isVariadic() const { return FunctionTypeBits.Variadic; } 2341b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getTypeQuals() const { return FunctionTypeBits.TypeQuals; } 2342c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 2343c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RefQualifierKind getRefQualifier() const { 2344c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor return static_cast<RefQualifierKind>(FunctionTypeBits.RefQualifier); 2345c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor } 2346c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 23475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 23481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getResultType() const { return ResultType; } 23505291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 2351b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getRegParmType() const { return getExtInfo().getRegParm(); } 2352b870b88df784c2940efce448ebfaf54dece14666John McCall bool getNoReturnAttr() const { return getExtInfo().getNoReturn(); } 2353b870b88df784c2940efce448ebfaf54dece14666John McCall CallingConv getCallConv() const { return getExtInfo().getCC(); } 2354b870b88df784c2940efce448ebfaf54dece14666John McCall ExtInfo getExtInfo() const { return ExtInfo(FunctionTypeBits.ExtInfo); } 23555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 23565291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// \brief Determine the type of an expression that calls a function of 23575291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// this type. 23585291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor QualType getCallResultType(ASTContext &Context) const { 23596398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor return getResultType().getNonLValueExprType(Context); 23605291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor } 23615291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 236204a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall static llvm::StringRef getNameForCallConv(CallingConv CC); 236304a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 23645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 23655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto || 23665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer T->getTypeClass() == FunctionProto; 23675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 23685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FunctionType *) { return true; } 23695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 23705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 237172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionNoProtoType - Represents a K&R-style 'int foo()' function, which has 23725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// no information available about its arguments. 237372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionNoProtoType : public FunctionType, public llvm::FoldingSetNode { 237471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall FunctionNoProtoType(QualType Result, QualType Canonical, ExtInfo Info) 2375c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor : FunctionType(FunctionNoProto, Result, false, 0, RQ_None, Canonical, 237635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /*Dependent=*/false, Result->isVariablyModifiedType(), 2377d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false, Info) {} 2378d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 23795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 238060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 23815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 23825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // No additional state past what FunctionType provides. 23831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2384bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2385bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2386bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 23875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 2388264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Profile(ID, getResultType(), getExtInfo()); 23895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 23902455636163fdd18581d7fdae816433f886d88213Mike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ResultType, 239171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo Info) { 239271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Info.Profile(ID); 23935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ResultType.getAsOpaquePtr()); 23945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 23951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 23975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto; 23985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 239972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionNoProtoType *) { return true; } 24005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 24015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 240272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionProtoType - Represents a prototype with argument type info, e.g. 24035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int foo(int)' or 'int foo(void)'. 'void' is represented as having no 2404465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// arguments, not as having a single void argument. Such a type can have an 2405465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// exception specification, but this specification is not part of the canonical 2406465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// type. 240772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionProtoType : public FunctionType, public llvm::FoldingSetNode { 2408e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCallpublic: 2409e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall /// ExtProtoInfo - Extra information about a function prototype. 2410e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall struct ExtProtoInfo { 2411e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall ExtProtoInfo() : 24128b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl Variadic(false), ExceptionSpecType(EST_None), TypeQuals(0), 24138b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl RefQualifier(RQ_None), NumExceptions(0), Exceptions(0), NoexceptExpr(0) {} 2414e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 2415e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionType::ExtInfo ExtInfo; 2416e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall bool Variadic; 24178b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl ExceptionSpecificationType ExceptionSpecType; 2418e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall unsigned char TypeQuals; 2419c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RefQualifierKind RefQualifier; 2420e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall unsigned NumExceptions; 2421e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall const QualType *Exceptions; 24228b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl Expr *NoexceptExpr; 2423e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall }; 2424e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 2425e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCallprivate: 2426d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// \brief Determine whether there are any argument types that 2427d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /// contain an unexpanded parameter pack. 2428d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor static bool containsAnyUnexpandedParameterPack(const QualType *ArgArray, 2429d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor unsigned numArgs) { 2430d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor for (unsigned Idx = 0; Idx < numArgs; ++Idx) 2431d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor if (ArgArray[Idx]->containsUnexpandedParameterPack()) 2432d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return true; 2433d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2434d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor return false; 2435d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor } 2436d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor 2437e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType(QualType result, const QualType *args, unsigned numArgs, 24388026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl QualType canonical, const ExtProtoInfo &epi); 2439465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 24405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// NumArgs - The number of arguments this function has, not counting '...'. 2441465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned NumArgs : 20; 2442465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2443465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// NumExceptions - The number of types in the exception spec, if any. 244460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl unsigned NumExceptions : 9; 2445465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 244660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// ExceptionSpecType - The type of exception specification this function has. 244760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl unsigned ExceptionSpecType : 3; 2448465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2449942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// ArgInfo - There is an variable size array after the class in memory that 2450942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// holds the argument types. 2451465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2452465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// Exceptions - There is another variable size array after ArgInfo that 2453465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// holds the exception types. 2454465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 245560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// NoexceptExpr - Instead of Exceptions, there may be a single Expr* pointing 245660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// to the expression in the noexcept() specifier. 245760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl 24585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 24594b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 24605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 24615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 24625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgType(unsigned i) const { 24635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(i < NumArgs && "Invalid argument number!"); 2464942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return arg_type_begin()[i]; 24655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2466465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2467e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall ExtProtoInfo getExtProtoInfo() const { 2468e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall ExtProtoInfo EPI; 2469e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = getExtInfo(); 2470e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.Variadic = isVariadic(); 247160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.ExceptionSpecType = getExceptionSpecType(); 2472e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.TypeQuals = static_cast<unsigned char>(getTypeQuals()); 2473c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor EPI.RefQualifier = getRefQualifier(); 247460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EPI.ExceptionSpecType == EST_Dynamic) { 247560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.NumExceptions = NumExceptions; 247660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.Exceptions = exception_begin(); 247760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } else if (EPI.ExceptionSpecType == EST_ComputedNoexcept) { 247860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl EPI.NoexceptExpr = getNoexceptExpr(); 247960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 2480e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return EPI; 2481e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall } 2482e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 248360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Get the kind of exception specification on this function. 248460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl ExceptionSpecificationType getExceptionSpecType() const { 248560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return static_cast<ExceptionSpecificationType>(ExceptionSpecType); 248660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 248760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Return whether this function has any kind of exception spec. 248860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl bool hasExceptionSpec() const { 248960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return getExceptionSpecType() != EST_None; 249060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 249160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Return whether this function has a dynamic (throw) exception spec. 249260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl bool hasDynamicExceptionSpec() const { 249360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return isDynamicExceptionSpec(getExceptionSpecType()); 249460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 249560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Return whther this function has a noexcept exception spec. 249660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl bool hasNoexceptExceptionSpec() const { 249760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return isNoexceptExceptionSpec(getExceptionSpecType()); 249860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 249960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Result type of getNoexceptSpec(). 250060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl enum NoexceptResult { 250160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_NoNoexcept, ///< There is no noexcept specifier. 250260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_BadNoexcept, ///< The noexcept specifier has a bad expression. 250360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_Dependent, ///< The noexcept specifier is dependent. 250460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_Throw, ///< The noexcept specifier evaluates to false. 250560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NR_Nothrow ///< The noexcept specifier evaluates to true. 250660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl }; 250760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl /// \brief Get the meaning of the noexcept spec on this function, if any. 25088026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl NoexceptResult getNoexceptSpec(ASTContext &Ctx) const; 2509465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned getNumExceptions() const { return NumExceptions; } 2510465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl QualType getExceptionType(unsigned i) const { 2511465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(i < NumExceptions && "Invalid exception number!"); 2512465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin()[i]; 2513465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 251460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl Expr *getNoexceptExpr() const { 251560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (getExceptionSpecType() != EST_ComputedNoexcept) 251660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return 0; 251760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl // NoexceptExpr sits where the arguments end. 251860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return *reinterpret_cast<Expr *const *>(arg_type_end()); 2519d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson } 25208026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl bool isNothrow(ASTContext &Ctx) const { 252160618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl ExceptionSpecificationType EST = getExceptionSpecType(); 252260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EST == EST_DynamicNone || EST == EST_BasicNoexcept) 252360618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return true; 252460618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EST != EST_ComputedNoexcept) 252560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return false; 25268026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl return getNoexceptSpec(Ctx) == NR_Nothrow; 2527c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall } 2528c2f3e7f42c8bf9e8d4393a6e8c4762dafc4f28ddJohn McCall 2529e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall using FunctionType::isVariadic; 253060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl 2531f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// \brief Determines whether this function prototype contains a 2532f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// parameter pack at the end. 2533f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// 2534f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// A function template whose last parameter is a parameter pack can be 2535f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// called with an arbitrary number of arguments, much like a variadic 2536f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor /// function. However, 2537f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor bool isTemplateVariadic() const; 2538f5c65ffbd7374b6c8d9f1e361041578640cab320Douglas Gregor 2539971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned getTypeQuals() const { return FunctionType::getTypeQuals(); } 25401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2541c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 2542c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor /// \brief Retrieve the ref-qualifier associated with this function type. 2543c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor RefQualifierKind getRefQualifier() const { 2544c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor return FunctionType::getRefQualifier(); 2545c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor } 2546c938c1668b4fd12af154e965dd935a89e4801a70Douglas Gregor 25475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef const QualType *arg_type_iterator; 2548942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_begin() const { 2549942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return reinterpret_cast<const QualType *>(this+1); 2550942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner } 2551942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_end() const { return arg_type_begin()+NumArgs; } 2552465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2553465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl typedef const QualType *exception_iterator; 2554465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_begin() const { 2555465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // exceptions begin where arguments end 2556465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return arg_type_end(); 2557465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2558465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_end() const { 255960618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (getExceptionSpecType() != EST_Dynamic) 256060618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl return exception_begin(); 2561465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin() + NumExceptions; 2562465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2563465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2564bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2565bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2566bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 25675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 25685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionProto; 25695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 257072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionProtoType *) { return true; } 2571465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 25728026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Ctx); 25735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Result, 2574942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator ArgTys, unsigned NumArgs, 25758026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl const ExtProtoInfo &EPI, const ASTContext &Context); 25765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 25775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 25785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2579ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// \brief Represents the dependent type named by a dependently-scoped 2580ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// typename using declaration, e.g. 2581ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// using typename Base<T>::foo; 2582ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// Template instantiation turns these into the underlying type. 2583ed97649e9574b9d854fa4d6109c9333ae0993554John McCallclass UnresolvedUsingType : public Type { 2584ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *Decl; 2585ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 258619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall UnresolvedUsingType(const UnresolvedUsingTypenameDecl *D) 2587d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(UnresolvedUsing, QualType(), true, false, 2588d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 258919c8576b7328f4dc2d07682f5da552875c1912efJohn McCall Decl(const_cast<UnresolvedUsingTypenameDecl*>(D)) {} 2590ed97649e9574b9d854fa4d6109c9333ae0993554John McCall friend class ASTContext; // ASTContext creates these. 2591ed97649e9574b9d854fa4d6109c9333ae0993554John McCallpublic: 2592ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2593ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *getDecl() const { return Decl; } 2594ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2595ed97649e9574b9d854fa4d6109c9333ae0993554John McCall bool isSugared() const { return false; } 2596ed97649e9574b9d854fa4d6109c9333ae0993554John McCall QualType desugar() const { return QualType(this, 0); } 2597ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2598ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const Type *T) { 2599ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return T->getTypeClass() == UnresolvedUsing; 2600ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2601ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const UnresolvedUsingType *) { return true; } 2602ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2603ed97649e9574b9d854fa4d6109c9333ae0993554John McCall void Profile(llvm::FoldingSetNodeID &ID) { 2604ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Profile(ID, Decl); 2605ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2606ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static void Profile(llvm::FoldingSetNodeID &ID, 2607ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *D) { 2608ed97649e9574b9d854fa4d6109c9333ae0993554John McCall ID.AddPointer(D); 2609ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2610ed97649e9574b9d854fa4d6109c9333ae0993554John McCall}; 2611ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2612ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 26135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TypedefType : public Type { 26145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TypedefDecl *Decl; 2615c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanianprotected: 261619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall TypedefType(TypeClass tc, const TypedefDecl *D, QualType can) 2617d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(tc, can, can->isDependentType(), can->isVariablyModifiedType(), 2618d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 261919c8576b7328f4dc2d07682f5da552875c1912efJohn McCall Decl(const_cast<TypedefDecl*>(D)) { 26205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isa<TypedefType>(can) && "Invalid canonical type"); 26215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 26225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 26235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 26241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TypedefDecl *getDecl() const { return Decl; } 26261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2627bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2628bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 2629bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 263072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == Typedef; } 26315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TypedefType *) { return true; } 26325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 26335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 263472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType (GCC extension). 263572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass TypeOfExprType : public Type { 2636d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *TOExpr; 26371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2638b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorprotected: 2639dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType(Expr *E, QualType can = QualType()); 2640d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 2641d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 2642d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *getUnderlyingExpr() const { return TOExpr; } 26431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2644bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2645bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 2646bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2647bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2648bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2649bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 265072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOfExpr; } 265172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const TypeOfExprType *) { return true; } 2652d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 2653d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 2654c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 26551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typeof(expr) types. 2656c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 2657c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 2658c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 2659c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via TypeOfExprType nodes. 26601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass DependentTypeOfExprType 2661b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : public TypeOfExprType, public llvm::FoldingSetNode { 26624ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 26631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2664b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorpublic: 26654ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentTypeOfExprType(const ASTContext &Context, Expr *E) 2666b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : TypeOfExprType(E), Context(Context) { } 26671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2668bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2669bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2670bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2671b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2672b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 2673b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 26741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26754ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 2676b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Expr *E); 2677b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor}; 26781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2679d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff/// TypeOfType (GCC extension). 2680d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffclass TypeOfType : public Type { 2681d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType TOType; 26821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TypeOfType(QualType T, QualType can) 2683d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(TypeOf, can, T->isDependentType(), T->isVariablyModifiedType(), 2684d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor T->containsUnexpandedParameterPack()), 268535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor TOType(T) { 2686d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff assert(!isa<TypedefType>(can) && "Invalid canonical type"); 2687d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff } 2688d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 2689d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 2690d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getUnderlyingType() const { return TOType; } 26911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2692bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2693bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 2694bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2695bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2696bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2697bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 269872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOf; } 2699d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff static bool classof(const TypeOfType *) { return true; } 2700d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 27015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2702395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType (C++0x) 2703395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonclass DecltypeType : public Type { 2704395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *E; 27051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2706563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // FIXME: We could get rid of UnderlyingType if we wanted to: We would have to 2707563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // Move getDesugaredType to ASTContext so that it can call getDecltypeForExpr 2708563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // from it. 2709563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType UnderlyingType; 27101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27119d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorprotected: 2712563a03b1338d31c2462def43253a722bc885d384Anders Carlsson DecltypeType(Expr *E, QualType underlyingType, QualType can = QualType()); 2713395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson friend class ASTContext; // ASTContext creates these. 2714395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonpublic: 2715395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *getUnderlyingExpr() const { return E; } 2716563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType getUnderlyingType() const { return UnderlyingType; } 2717563a03b1338d31c2462def43253a722bc885d384Anders Carlsson 2718bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2719bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 2720bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2721bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2722bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return !isDependentType(); } 2723bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2724395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const Type *T) { return T->getTypeClass() == Decltype; } 2725395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const DecltypeType *) { return true; } 2726395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson}; 27271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2728c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 2729c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// decltype(expr) types. 2730c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 2731c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 2732c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 2733c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via DecltypeType nodes. 27349d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorclass DependentDecltypeType : public DecltypeType, public llvm::FoldingSetNode { 27354ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context; 27361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27379d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorpublic: 27384ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad DependentDecltypeType(const ASTContext &Context, Expr *E); 27391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2740bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2741bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2742bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 27439d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 27449d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 27459d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 27461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27474ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad static void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 27481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *E); 27499d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor}; 27501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TagType : public Type { 2752ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// Stores the TagDecl associated with this type. The decl may point to any 2753ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// TagDecl that declares the entity. 2754ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl * decl; 27552ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 27562ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregorprotected: 275719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall TagType(TypeClass TC, const TagDecl *D, QualType can); 27582ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 27591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 2760ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl *getDecl() const; 27611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27620b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor /// @brief Determines whether this type is in the process of being 27631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// defined. 2764ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl bool isBeingDefined() const; 27650b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 27661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 276772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return T->getTypeClass() >= TagFirst && T->getTypeClass() <= TagLast; 276872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor } 27695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TagType *) { return true; } 277072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const RecordType *) { return true; } 277172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const EnumType *) { return true; } 27725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 27735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 27745edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// RecordType - This is a helper class that allows the use of isa/cast/dyncast 27755edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of structs/unions/classes. 27765edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass RecordType : public TagType { 277749aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidisprotected: 277819c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit RecordType(const RecordDecl *D) 277919c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Record, reinterpret_cast<const TagDecl*>(D), QualType()) { } 278072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor explicit RecordType(TypeClass TC, RecordDecl *D) 278119c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(TC, reinterpret_cast<const TagDecl*>(D), QualType()) { } 27822ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 27835edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 27841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27855edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner RecordDecl *getDecl() const { 27865edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<RecordDecl*>(TagType::getDecl()); 27875edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 27881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // FIXME: This predicate is a helper to QualType/Type. It needs to 27905edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // recursively check all fields for const-ness. If any field is declared 27911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // const, it needs to return false. 27925edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner bool hasConstFields() const { return false; } 27935edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 2794bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2795bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2796bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 27972daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 27982daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 27992daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 28002daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 28015edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const RecordType *) { return true; } 28025edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 28035edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 28045edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// EnumType - This is a helper class that allows the use of isa/cast/dyncast 28055edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of enums. 28065edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass EnumType : public TagType { 280719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit EnumType(const EnumDecl *D) 280819c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Enum, reinterpret_cast<const TagDecl*>(D), QualType()) { } 28092ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 28105edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 28111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28125edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner EnumDecl *getDecl() const { 28135edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<EnumDecl*>(TagType::getDecl()); 28145edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 28151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2816bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2817bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2818bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 28192daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 28202daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 28212daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 28222daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 28235edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const EnumType *) { return true; } 28245edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 28255edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 28269d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// AttributedType - An attributed type is a type to which a type 28279d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// attribute has been applied. The "modified type" is the 28289d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// fully-sugared type to which the attributed type was applied; 28299d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// generally it is not canonically equivalent to the attributed type. 28309d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// The "equivalent type" is the minimally-desugared type which the 28319d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// type is canonically equivalent to. 28329d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// 28339d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// For example, in the following attributed type: 28349d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// int32_t __attribute__((vector_size(16))) 28359d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// - the modified type is the TypedefType for int32_t 28369d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// - the equivalent type is VectorType(16, int32_t) 28379d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall/// - the canonical type is VectorType(16, int) 28389d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallclass AttributedType : public Type, public llvm::FoldingSetNode { 28399d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallpublic: 28409d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // It is really silly to have yet another attribute-kind enum, but 28419d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // clang::attr::Kind doesn't currently cover the pure type attrs. 28429d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall enum Kind { 28439d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // Expression operand. 2844170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_address_space, 2845170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_regparm, 2846170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_vector_size, 2847170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_neon_vector_type, 2848170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_neon_polyvector_type, 28499d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 2850170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet FirstExprOperandKind = attr_address_space, 2851170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet LastExprOperandKind = attr_neon_polyvector_type, 28529d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 28539d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // Enumerated operand (string or keyword). 2854170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet attr_objc_gc, 28559d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 2856170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet FirstEnumOperandKind = attr_objc_gc, 2857170464b7c0a2c0c86f2821f14a46f0d540cb5e94Francois Pichet LastEnumOperandKind = attr_objc_gc, 28589d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 28599d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall // No operand. 28603cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_noreturn, 28613cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_cdecl, 28623cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_fastcall, 28633cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_stdcall, 28643cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_thiscall, 28653cd47e7883dbfce73189b583850cea81e1d1d261Francois Pichet attr_pascal 28669d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall }; 28679d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 28689d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallprivate: 28699d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType ModifiedType; 28709d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType EquivalentType; 28719d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 28729d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall friend class ASTContext; // creates these 28739d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 28749d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType(QualType canon, Kind attrKind, 28759d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType modified, QualType equivalent) 28769d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall : Type(Attributed, canon, canon->isDependentType(), 28779d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall canon->isVariablyModifiedType(), 28789d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall canon->containsUnexpandedParameterPack()), 28799d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ModifiedType(modified), EquivalentType(equivalent) { 28809d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedTypeBits.AttrKind = attrKind; 28819d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 28829d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 28839d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallpublic: 28849d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall Kind getAttrKind() const { 28859d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return static_cast<Kind>(AttributedTypeBits.AttrKind); 28869d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 28879d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 28889d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType getModifiedType() const { return ModifiedType; } 28899d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType getEquivalentType() const { return EquivalentType; } 28909d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 28919d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall bool isSugared() const { return true; } 28929d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType desugar() const { return getEquivalentType(); } 28939d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 28949d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 28959d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall Profile(ID, getAttrKind(), ModifiedType, EquivalentType); 28969d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 28979d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 28989d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, Kind attrKind, 28999d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType modified, QualType equivalent) { 29009d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ID.AddInteger(attrKind); 29019d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ID.AddPointer(modified.getAsOpaquePtr()); 29029d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall ID.AddPointer(equivalent.getAsOpaquePtr()); 29039d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 29049d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 29059d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall static bool classof(const Type *T) { 29069d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return T->getTypeClass() == Attributed; 29079d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall } 29089d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall static bool classof(const AttributedType *T) { return true; } 29099d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall}; 29109d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 2911fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorclass TemplateTypeParmType : public Type, public llvm::FoldingSetNode { 2912efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned Depth : 15; 2913efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned ParameterPack : 1; 291477be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned Index : 16; 2915efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *Name; 291672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2917efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType(unsigned D, unsigned I, bool PP, IdentifierInfo *N, 2918efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor QualType Canon) 291935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(TemplateTypeParm, Canon, /*Dependent=*/true, 2920d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, PP), 292177be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall Depth(D), ParameterPack(PP), Index(I), Name(N) { } 292272c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 29231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType(unsigned D, unsigned I, bool PP) 292435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(TemplateTypeParm, QualType(this, 0), /*Dependent=*/true, 2925d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, PP), 292677be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall Depth(D), ParameterPack(PP), Index(I), Name(0) { } 292772c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2928fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor friend class ASTContext; // ASTContext creates these 292972c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2930fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorpublic: 2931efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned getDepth() const { return Depth; } 2932efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned getIndex() const { return Index; } 2933efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor bool isParameterPack() const { return ParameterPack; } 2934efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *getName() const { return Name; } 29351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2936bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2937bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2938bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2939fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2940efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor Profile(ID, Depth, Index, ParameterPack, Name); 2941fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 2942fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 29431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, unsigned Depth, 29441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned Index, bool ParameterPack, 2945efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *Name) { 2946fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Depth); 2947fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Index); 294876e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson ID.AddBoolean(ParameterPack); 2949efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor ID.AddPointer(Name); 2950fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 2951fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 29521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 29531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateTypeParm; 295472c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor } 295572c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor static bool classof(const TemplateTypeParmType *T) { return true; } 295672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor}; 2957fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 295849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Represents the result of substituting a type for a template 295949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type parameter. 296049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// 296149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// Within an instantiated template, all template type parameters have 296249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// been replaced with these. They are used solely to record that a 296349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type was originally written as a template type parameter; 296449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// therefore they are never canonical. 296549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallclass SubstTemplateTypeParmType : public Type, public llvm::FoldingSetNode { 296649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall // The original type parameter. 296749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced; 296849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 296949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(const TemplateTypeParmType *Param, QualType Canon) 297035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(SubstTemplateTypeParm, Canon, Canon->isDependentType(), 2971d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Canon->isVariablyModifiedType(), 2972d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor Canon->containsUnexpandedParameterPack()), 297349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Replaced(Param) { } 297449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 297549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall friend class ASTContext; 297649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 297749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallpublic: 2978efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *getName() const { return Replaced->getName(); } 2979efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor 298049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the template parameter that was substituted for. 298149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *getReplacedParameter() const { 298249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return Replaced; 298349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 298449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 298549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the type that was substituted for the template 298649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// parameter. 298749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType getReplacementType() const { 298849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getCanonicalTypeInternal(); 298949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 299049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 299149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall bool isSugared() const { return true; } 299249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType desugar() const { return getReplacementType(); } 299349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 299449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 299549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Profile(ID, getReplacedParameter(), getReplacementType()); 299649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 299749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, 299849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced, 299949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 300049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replaced); 300149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replacement.getAsOpaquePtr()); 300249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 300349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 300449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const Type *T) { 300549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return T->getTypeClass() == SubstTemplateTypeParm; 300649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 300749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const SubstTemplateTypeParmType *T) { return true; } 300849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall}; 300949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 3010c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// \brief Represents the result of substituting a set of types for a template 3011c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// type parameter pack. 3012c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// 3013c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// When a pack expansion in the source code contains multiple parameter packs 3014c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// and those parameter packs correspond to different levels of template 3015c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// parameter lists, this type node is used to represent a template type 3016c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// parameter pack from an outer level, which has already had its argument pack 3017c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// substituted but that still lives within a pack expansion that itself 3018c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// could not be instantiated. When actually performing a substitution into 3019c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// that pack expansion (e.g., when all template parameters have corresponding 3020c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// arguments), this type will be replaced with the \c SubstTemplateTypeParmType 3021c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// at the current pack substitution index. 3022c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregorclass SubstTemplateTypeParmPackType : public Type, public llvm::FoldingSetNode { 3023c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// \brief The original type parameter. 3024c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *Replaced; 3025c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3026c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// \brief A pointer to the set of template arguments that this 3027c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// parameter pack is instantiated with. 3028c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument *Arguments; 3029c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3030c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// \brief The number of template arguments in \c Arguments. 3031c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor unsigned NumArguments; 3032c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3033c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType(const TemplateTypeParmType *Param, 3034c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor QualType Canon, 3035c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument &ArgPack); 3036c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3037c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor friend class ASTContext; 3038c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3039c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregorpublic: 3040c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor IdentifierInfo *getName() const { return Replaced->getName(); } 3041c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3042c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor /// Gets the template parameter that was substituted for. 3043c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *getReplacedParameter() const { 3044c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return Replaced; 3045c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 3046c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3047c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor bool isSugared() const { return false; } 3048c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor QualType desugar() const { return QualType(this, 0); } 3049c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3050c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor TemplateArgument getArgumentPack() const; 3051c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3052c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID); 3053c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, 3054c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *Replaced, 3055c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument &ArgPack); 3056c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 3057c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor static bool classof(const Type *T) { 3058c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return T->getTypeClass() == SubstTemplateTypeParmPack; 3059c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 3060c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor static bool classof(const SubstTemplateTypeParmPackType *T) { return true; } 3061c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor}; 3062c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 306334b41d939a1328f484511c6002ba2456db879a29Richard Smith/// \brief Represents a C++0x auto type. 306434b41d939a1328f484511c6002ba2456db879a29Richard Smith/// 306534b41d939a1328f484511c6002ba2456db879a29Richard Smith/// These types are usually a placeholder for a deduced type. However, within 306634b41d939a1328f484511c6002ba2456db879a29Richard Smith/// templates and before the initializer is attached, there is no deduced type 306734b41d939a1328f484511c6002ba2456db879a29Richard Smith/// and an auto type is type-dependent and canonical. 306834b41d939a1328f484511c6002ba2456db879a29Richard Smithclass AutoType : public Type, public llvm::FoldingSetNode { 306934b41d939a1328f484511c6002ba2456db879a29Richard Smith AutoType(QualType DeducedType) 307034b41d939a1328f484511c6002ba2456db879a29Richard Smith : Type(Auto, DeducedType.isNull() ? QualType(this, 0) : DeducedType, 307134b41d939a1328f484511c6002ba2456db879a29Richard Smith /*Dependent=*/DeducedType.isNull(), 307234b41d939a1328f484511c6002ba2456db879a29Richard Smith /*VariablyModified=*/false, /*ContainsParameterPack=*/false) { 307334b41d939a1328f484511c6002ba2456db879a29Richard Smith assert((DeducedType.isNull() || !DeducedType->isDependentType()) && 307434b41d939a1328f484511c6002ba2456db879a29Richard Smith "deduced a dependent type for auto"); 307534b41d939a1328f484511c6002ba2456db879a29Richard Smith } 307634b41d939a1328f484511c6002ba2456db879a29Richard Smith 307734b41d939a1328f484511c6002ba2456db879a29Richard Smith friend class ASTContext; // ASTContext creates these 307834b41d939a1328f484511c6002ba2456db879a29Richard Smith 307934b41d939a1328f484511c6002ba2456db879a29Richard Smithpublic: 308034b41d939a1328f484511c6002ba2456db879a29Richard Smith bool isSugared() const { return isDeduced(); } 308134b41d939a1328f484511c6002ba2456db879a29Richard Smith QualType desugar() const { return getCanonicalTypeInternal(); } 308234b41d939a1328f484511c6002ba2456db879a29Richard Smith 308334b41d939a1328f484511c6002ba2456db879a29Richard Smith QualType getDeducedType() const { 308434b41d939a1328f484511c6002ba2456db879a29Richard Smith return isDeduced() ? getCanonicalTypeInternal() : QualType(); 308534b41d939a1328f484511c6002ba2456db879a29Richard Smith } 308634b41d939a1328f484511c6002ba2456db879a29Richard Smith bool isDeduced() const { 308734b41d939a1328f484511c6002ba2456db879a29Richard Smith return !isDependentType(); 308834b41d939a1328f484511c6002ba2456db879a29Richard Smith } 308934b41d939a1328f484511c6002ba2456db879a29Richard Smith 309034b41d939a1328f484511c6002ba2456db879a29Richard Smith void Profile(llvm::FoldingSetNodeID &ID) { 309134b41d939a1328f484511c6002ba2456db879a29Richard Smith Profile(ID, getDeducedType()); 309234b41d939a1328f484511c6002ba2456db879a29Richard Smith } 309334b41d939a1328f484511c6002ba2456db879a29Richard Smith 309434b41d939a1328f484511c6002ba2456db879a29Richard Smith static void Profile(llvm::FoldingSetNodeID &ID, 309534b41d939a1328f484511c6002ba2456db879a29Richard Smith QualType Deduced) { 309634b41d939a1328f484511c6002ba2456db879a29Richard Smith ID.AddPointer(Deduced.getAsOpaquePtr()); 309734b41d939a1328f484511c6002ba2456db879a29Richard Smith } 309834b41d939a1328f484511c6002ba2456db879a29Richard Smith 309934b41d939a1328f484511c6002ba2456db879a29Richard Smith static bool classof(const Type *T) { 310034b41d939a1328f484511c6002ba2456db879a29Richard Smith return T->getTypeClass() == Auto; 310134b41d939a1328f484511c6002ba2456db879a29Richard Smith } 310234b41d939a1328f484511c6002ba2456db879a29Richard Smith static bool classof(const AutoType *T) { return true; } 310334b41d939a1328f484511c6002ba2456db879a29Richard Smith}; 310434b41d939a1328f484511c6002ba2456db879a29Richard Smith 31057532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Represents the type of a template specialization as written 31067532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// in the source code. 310755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// 31087532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// Template specialization types represent the syntactic form of a 31097532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template-id that refers to a type, e.g., @c vector<int>. Some 31107532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template specialization types are syntactic sugar, whose canonical 31117532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// type will point to some other type node that represents the 31127532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// instantiation or class template specialization. For example, a 311355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// class template specialization type of @c vector<int> will refer to 31141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// a tag type for the instantiation 311555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// @c std::vector<int, std::allocator<int>>. 31167532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// 31177532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// Other template specialization types, for which the template name 31187532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// is dependent, may be canonical types. These types are always 31197532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// dependent. 31201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass TemplateSpecializationType 312155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor : public Type, public llvm::FoldingSetNode { 312233500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The name of the template being specialized. 31237532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Template; 312455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 312540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief - The number of template arguments named in this class 312640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// template specialization. 312755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned NumArgs; 312855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 3129ef99001908e799c388f1363b1e607dad5f5b57d3John McCall TemplateSpecializationType(TemplateName T, 31307532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 31317532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, QualType Canon); 313255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 313355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor friend class ASTContext; // ASTContext creates these 313455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 313555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregorpublic: 313640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Determine whether any of the given template arguments are 313740808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// dependent. 313840808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor static bool anyDependentTemplateArguments(const TemplateArgument *Args, 31391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned NumArgs); 314040808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 3141833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static bool anyDependentTemplateArguments(const TemplateArgumentLoc *Args, 3142833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs); 3143833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 3144d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static bool anyDependentTemplateArguments(const TemplateArgumentListInfo &); 3145d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 3146df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// \brief Print a template argument list, including the '<' and '>' 3147df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// enclosing the template arguments. 3148df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor static std::string PrintTemplateArgumentList(const TemplateArgument *Args, 3149d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned NumArgs, 3150dace95b13e2ceb0c3ec8de6babd926dc5114e1e5Douglas Gregor const PrintingPolicy &Policy, 3151dace95b13e2ceb0c3ec8de6babd926dc5114e1e5Douglas Gregor bool SkipBrackets = false); 3152df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor 3153833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static std::string PrintTemplateArgumentList(const TemplateArgumentLoc *Args, 3154833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs, 3155833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const PrintingPolicy &Policy); 3156833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 3157d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static std::string PrintTemplateArgumentList(const TemplateArgumentListInfo &, 3158d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const PrintingPolicy &Policy); 3159d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 316031f17ecbef57b5679c017c375db330546b7b5145John McCall /// True if this template specialization type matches a current 316131f17ecbef57b5679c017c375db330546b7b5145John McCall /// instantiation in the context in which it is found. 316231f17ecbef57b5679c017c375db330546b7b5145John McCall bool isCurrentInstantiation() const { 316371d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall return isa<InjectedClassNameType>(getCanonicalTypeInternal()); 316431f17ecbef57b5679c017c375db330546b7b5145John McCall } 316531f17ecbef57b5679c017c375db330546b7b5145John McCall 316640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor typedef const TemplateArgument * iterator; 316740808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 316840808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor iterator begin() const { return getArgs(); } 316933500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // defined inline in TemplateBase.h 317040808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 31717532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor /// \brief Retrieve the name of the template that we are specializing. 31727532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName getTemplateName() const { return Template; } 317355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 317440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the template arguments. 31751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const TemplateArgument *getArgs() const { 317640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor return reinterpret_cast<const TemplateArgument *>(this + 1); 317740808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor } 317840808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 317940808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the number of template arguments. 318055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned getNumArgs() const { return NumArgs; } 318155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 318255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \brief Retrieve a specific template argument as a type. 318355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \precondition @c isArgType(Arg) 318433500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 318555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 318631f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { 318731f17ecbef57b5679c017c375db330546b7b5145John McCall return !isDependentType() || isCurrentInstantiation(); 318831f17ecbef57b5679c017c375db330546b7b5145John McCall } 3189bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getCanonicalTypeInternal(); } 3190bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 31914ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Ctx) { 319271d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall Profile(ID, Template, getArgs(), NumArgs, Ctx); 319355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 319455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 31957532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, TemplateName T, 319631f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateArgument *Args, 319731f17ecbef57b5679c017c375db330546b7b5145John McCall unsigned NumArgs, 31984ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context); 319955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 32001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 32011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateSpecialization; 320255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 32037532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static bool classof(const TemplateSpecializationType *T) { return true; } 320455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor}; 320555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 320631f17ecbef57b5679c017c375db330546b7b5145John McCall/// \brief The injected class name of a C++ class template or class 320731f17ecbef57b5679c017c375db330546b7b5145John McCall/// template partial specialization. Used to record that a type was 320831f17ecbef57b5679c017c375db330546b7b5145John McCall/// spelled with a bare identifier rather than as a template-id; the 320931f17ecbef57b5679c017c375db330546b7b5145John McCall/// equivalent for non-templated classes is just RecordType. 32103cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 321131f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always dependent. Template 321231f17ecbef57b5679c017c375db330546b7b5145John McCall/// instantiation turns these into RecordTypes. 32133cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 321431f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always canonical. This works 321531f17ecbef57b5679c017c375db330546b7b5145John McCall/// because it is impossible to compare an injected class name type 321631f17ecbef57b5679c017c375db330546b7b5145John McCall/// with the corresponding non-injected template type, for the same 321731f17ecbef57b5679c017c375db330546b7b5145John McCall/// reason that it is impossible to directly compare template 321831f17ecbef57b5679c017c375db330546b7b5145John McCall/// parameters from different dependent contexts: injected class name 321931f17ecbef57b5679c017c375db330546b7b5145John McCall/// types can only occur within the scope of a particular templated 322031f17ecbef57b5679c017c375db330546b7b5145John McCall/// declaration, and within that scope every template specialization 322131f17ecbef57b5679c017c375db330546b7b5145John McCall/// will canonicalize to the injected class name (when appropriate 322231f17ecbef57b5679c017c375db330546b7b5145John McCall/// according to the rules of the language). 32233cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallclass InjectedClassNameType : public Type { 32243cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall CXXRecordDecl *Decl; 32253cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 322631f17ecbef57b5679c017c375db330546b7b5145John McCall /// The template specialization which this type represents. 322731f17ecbef57b5679c017c375db330546b7b5145John McCall /// For example, in 322831f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class T> class A { ... }; 322931f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<T>, whereas in 323031f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class X, class Y> class A<B<X,Y> > { ... }; 323131f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<B<X,Y> >. 323231f17ecbef57b5679c017c375db330546b7b5145John McCall /// 323331f17ecbef57b5679c017c375db330546b7b5145John McCall /// It is always unqualified, always a template specialization type, 323431f17ecbef57b5679c017c375db330546b7b5145John McCall /// and always dependent. 323531f17ecbef57b5679c017c375db330546b7b5145John McCall QualType InjectedType; 32363cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 32373cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall friend class ASTContext; // ASTContext creates these. 3238c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; // FIXME: ASTContext::getInjectedClassNameType is not 3239c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl // currently suitable for AST reading, too much 324043921b53b582145f0d1b7c48223bd4d9f0a9d1beArgyrios Kyrtzidis // interdependencies. 324131f17ecbef57b5679c017c375db330546b7b5145John McCall InjectedClassNameType(CXXRecordDecl *D, QualType TST) 324235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(InjectedClassName, QualType(), /*Dependent=*/true, 3243d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, 3244d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 324531f17ecbef57b5679c017c375db330546b7b5145John McCall Decl(D), InjectedType(TST) { 32463cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<TemplateSpecializationType>(TST)); 32473cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(!TST.hasQualifiers()); 324831f17ecbef57b5679c017c375db330546b7b5145John McCall assert(TST->isDependentType()); 32493cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 32503cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 32513cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallpublic: 325231f17ecbef57b5679c017c375db330546b7b5145John McCall QualType getInjectedSpecializationType() const { return InjectedType; } 325331f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateSpecializationType *getInjectedTST() const { 325431f17ecbef57b5679c017c375db330546b7b5145John McCall return cast<TemplateSpecializationType>(InjectedType.getTypePtr()); 32553cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 32563cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 3257ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl CXXRecordDecl *getDecl() const; 32583cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 325931f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { return false; } 326031f17ecbef57b5679c017c375db330546b7b5145John McCall QualType desugar() const { return QualType(this, 0); } 32613cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 32623cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const Type *T) { 32633cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return T->getTypeClass() == InjectedClassName; 32643cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 32653cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const InjectedClassNameType *T) { return true; } 32663cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall}; 32673cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 3268465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief The kind of a tag type. 3269465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraenum TagTypeKind { 3270465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "struct" keyword. 3271465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Struct, 3272465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "union" keyword. 3273465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Union, 3274465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword. 3275465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Class, 3276465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "enum" keyword. 3277465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Enum 3278465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 3279465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 32804a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief The elaboration keyword that precedes a qualified type name or 32814a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// introduces an elaborated-type-specifier. 32824a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregorenum ElaboratedTypeKeyword { 32834a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "struct" keyword introduces the elaborated-type-specifier. 32844a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Struct, 32854a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "union" keyword introduces the elaborated-type-specifier. 32864a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Union, 3287465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword introduces the elaborated-type-specifier. 3288465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Class, 32894a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "enum" keyword introduces the elaborated-type-specifier. 3290465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Enum, 3291465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "typename" keyword precedes the qualified type name, e.g., 3292465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \c typename T::type. 3293465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Typename, 3294465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief No keyword precedes the qualified type name. 3295465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_None 32964a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor}; 3297465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3298465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// A helper class for Type nodes having an ElaboratedTypeKeyword. 3299465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The keyword in stored in the free bits of the base class. 3300465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// Also provides a few static helpers for converting and printing 3301465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// elaborated type keyword and tag type kind enumerations. 3302465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass TypeWithKeyword : public Type { 3303465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraprotected: 3304465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TypeWithKeyword(ElaboratedTypeKeyword Keyword, TypeClass tc, 3305d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor QualType Canonical, bool Dependent, bool VariablyModified, 3306d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor bool ContainsUnexpandedParameterPack) 3307d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(tc, Canonical, Dependent, VariablyModified, 3308d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor ContainsUnexpandedParameterPack) { 330977be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall TypeWithKeywordBits.Keyword = Keyword; 331077be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall } 3311465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3312465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnarapublic: 3313465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypeKeyword getKeyword() const { 331477be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall return static_cast<ElaboratedTypeKeyword>(TypeWithKeywordBits.Keyword); 3315465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 3316465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3317465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTypeSpec - Converts a type specifier (DeclSpec::TST) 3318465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into an elaborated type keyword. 3319465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTypeSpec(unsigned TypeSpec); 3320465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3321465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForTypeSpec - Converts a type specifier (DeclSpec::TST) 3322465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into a tag type kind. It is an error to provide a type specifier 3323465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 3324465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForTypeSpec(unsigned TypeSpec); 3325465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3326465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTagDeclKind - Converts a TagTypeKind into an 3327465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// elaborated type keyword. 3328465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTagTypeKind(TagTypeKind Tag); 3329465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3330465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForKeyword - Converts an elaborated type keyword into 3331465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara // a TagTypeKind. It is an error to provide an elaborated type keyword 3332465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 3333465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForKeyword(ElaboratedTypeKeyword Keyword); 3334465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3335465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool KeywordIsTagTypeKind(ElaboratedTypeKeyword Keyword); 3336465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3337465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getKeywordName(ElaboratedTypeKeyword Keyword); 3338465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3339465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getTagTypeKindName(TagTypeKind Kind) { 3340465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getKeywordName(getKeywordForTagTypeKind(Kind)); 3341465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 3342465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3343465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara class CannotCastToThisType {}; 3344465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static CannotCastToThisType classof(const Type *); 3345465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 3346465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3347465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief Represents a type that was referred to using an elaborated type 3348465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// keyword, e.g., struct S, or via a qualified name, e.g., N::M::type, 3349465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// or both. 3350e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// 3351e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// This type is used to keep track of a type name as written in the 3352465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// source code, including tag keywords and any nested-name-specifiers. 3353465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The type itself is always "sugar", used to express what was written 3354465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// in the source code but containing no additional semantic information. 3355465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass ElaboratedType : public TypeWithKeyword, public llvm::FoldingSetNode { 3356465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3357ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The nested name specifier containing the qualifier. 3358ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *NNS; 3359e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3360e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief The type that this qualified name refers to. 3361e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType; 3362e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3363465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 3364465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType, QualType CanonType) 3365465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara : TypeWithKeyword(Keyword, Elaborated, CanonType, 336635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor NamedType->isDependentType(), 3367d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor NamedType->isVariablyModifiedType(), 3368d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor NamedType->containsUnexpandedParameterPack()), 3369465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), NamedType(NamedType) { 3370465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!(Keyword == ETK_None && NNS == 0) && 3371465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "ElaboratedType cannot have elaborated type keyword " 3372465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "and name qualifier both null."); 3373465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 3374e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3375e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor friend class ASTContext; // ASTContext creates these 3376e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3377e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregorpublic: 337833500955d731c73717af52088b7fc0e7a85681e7John McCall ~ElaboratedType(); 3379465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3380ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief Retrieve the qualification on this type. 3381ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 3382e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3383e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief Retrieve the type named by the qualified-id. 3384e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType getNamedType() const { return NamedType; } 3385e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3386bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 3387bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getNamedType(); } 3388bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3389bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 3390bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 3391bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3392e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 3393465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, NamedType); 3394e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 3395e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 3396465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 3397465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, QualType NamedType) { 3398465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ID.AddInteger(Keyword); 3399ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor ID.AddPointer(NNS); 3400ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NamedType.Profile(ID); 3401ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor } 3402e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 34031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 3404465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return T->getTypeClass() == Elaborated; 3405e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 3406465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool classof(const ElaboratedType *T) { return true; } 3407e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor}; 3408e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 34094a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief Represents a qualified type name for which the type name is 34104a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent. 3411d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor/// 34124a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// DependentNameType represents a class of dependent types that involve a 34134a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent nested-name-specifier (e.g., "T::") followed by a (dependent) 34144a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// name of a type. The DependentNameType may start with a "typename" (for a 34154a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// typename-specifier), "class", "struct", "union", or "enum" (for a 34164a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent elaborated-type-specifier), or nothing (in contexts where we 34174a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// know that we must be referring to a type, e.g., in a base class specifier). 3418465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass DependentNameType : public TypeWithKeyword, public llvm::FoldingSetNode { 3419465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 3420d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The nested name specifier containing the qualifier. 3421d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *NNS; 3422d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3423d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The type that this typename specifier refers to. 342433500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 3425d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 34264a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 34274a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, QualType CanonType) 342835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : TypeWithKeyword(Keyword, DependentName, CanonType, /*Dependent=*/true, 3429d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor /*VariablyModified=*/false, 3430d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor NNS->containsUnexpandedParameterPack()), 3431465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), Name(Name) { 34321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(NNS->isDependent() && 34334714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor "DependentNameType requires a dependent nested-name-specifier"); 3434d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3435d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3436d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor friend class ASTContext; // ASTContext creates these 3437d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3438d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregorpublic: 3439d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief Retrieve the qualification on this type. 3440d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 3441d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 34421734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// \brief Retrieve the type named by the typename specifier as an 34431734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// identifier. 34441734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// 34451734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// This routine will return a non-NULL identifier pointer when the 34461734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// form of the original typename was terminated by an identifier, 34471734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// e.g., "typename T::type". 34481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const IdentifierInfo *getIdentifier() const { 344933500955d731c73717af52088b7fc0e7a85681e7John McCall return Name; 34501734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 3451d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3452bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3453bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3454bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3455d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 3456465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, Name); 3457d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3458d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 34594a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 346033500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, const IdentifierInfo *Name) { 34614a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ID.AddInteger(Keyword); 3462d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor ID.AddPointer(NNS); 346333500955d731c73717af52088b7fc0e7a85681e7John McCall ID.AddPointer(Name); 3464d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3465d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 34661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 34674714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor return T->getTypeClass() == DependentName; 3468d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 34694714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor static bool classof(const DependentNameType *T) { return true; } 3470d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor}; 3471d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 347233500955d731c73717af52088b7fc0e7a85681e7John McCall/// DependentTemplateSpecializationType - Represents a template 347333500955d731c73717af52088b7fc0e7a85681e7John McCall/// specialization type whose template cannot be resolved, e.g. 347433500955d731c73717af52088b7fc0e7a85681e7John McCall/// A<T>::template B<T> 347533500955d731c73717af52088b7fc0e7a85681e7John McCallclass DependentTemplateSpecializationType : 347633500955d731c73717af52088b7fc0e7a85681e7John McCall public TypeWithKeyword, public llvm::FoldingSetNode { 347733500955d731c73717af52088b7fc0e7a85681e7John McCall 347833500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The nested name specifier containing the qualifier. 347933500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS; 348033500955d731c73717af52088b7fc0e7a85681e7John McCall 348133500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The identifier of the template. 348233500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 348333500955d731c73717af52088b7fc0e7a85681e7John McCall 348433500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief - The number of template arguments named in this class 348533500955d731c73717af52088b7fc0e7a85681e7John McCall /// template specialization. 348633500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs; 348733500955d731c73717af52088b7fc0e7a85681e7John McCall 348833500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgBuffer() const { 348933500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<const TemplateArgument*>(this+1); 349033500955d731c73717af52088b7fc0e7a85681e7John McCall } 349133500955d731c73717af52088b7fc0e7a85681e7John McCall TemplateArgument *getArgBuffer() { 349233500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<TemplateArgument*>(this+1); 349333500955d731c73717af52088b7fc0e7a85681e7John McCall } 349433500955d731c73717af52088b7fc0e7a85681e7John McCall 3495ef99001908e799c388f1363b1e607dad5f5b57d3John McCall DependentTemplateSpecializationType(ElaboratedTypeKeyword Keyword, 349633500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 349733500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 349833500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 349933500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args, 350033500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon); 350133500955d731c73717af52088b7fc0e7a85681e7John McCall 350233500955d731c73717af52088b7fc0e7a85681e7John McCall friend class ASTContext; // ASTContext creates these 350333500955d731c73717af52088b7fc0e7a85681e7John McCall 350433500955d731c73717af52088b7fc0e7a85681e7John McCallpublic: 350533500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *getQualifier() const { return NNS; } 350633500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *getIdentifier() const { return Name; } 350733500955d731c73717af52088b7fc0e7a85681e7John McCall 350833500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the template arguments. 350933500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgs() const { 351033500955d731c73717af52088b7fc0e7a85681e7John McCall return getArgBuffer(); 351133500955d731c73717af52088b7fc0e7a85681e7John McCall } 351233500955d731c73717af52088b7fc0e7a85681e7John McCall 351333500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the number of template arguments. 351433500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned getNumArgs() const { return NumArgs; } 351533500955d731c73717af52088b7fc0e7a85681e7John McCall 351633500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 351733500955d731c73717af52088b7fc0e7a85681e7John McCall 351833500955d731c73717af52088b7fc0e7a85681e7John McCall typedef const TemplateArgument * iterator; 351933500955d731c73717af52088b7fc0e7a85681e7John McCall iterator begin() const { return getArgs(); } 352033500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // inline in TemplateBase.h 352133500955d731c73717af52088b7fc0e7a85681e7John McCall 352233500955d731c73717af52088b7fc0e7a85681e7John McCall bool isSugared() const { return false; } 352333500955d731c73717af52088b7fc0e7a85681e7John McCall QualType desugar() const { return QualType(this, 0); } 352433500955d731c73717af52088b7fc0e7a85681e7John McCall 35254ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context) { 352633500955d731c73717af52088b7fc0e7a85681e7John McCall Profile(ID, Context, getKeyword(), NNS, Name, NumArgs, getArgs()); 352733500955d731c73717af52088b7fc0e7a85681e7John McCall } 352833500955d731c73717af52088b7fc0e7a85681e7John McCall 352933500955d731c73717af52088b7fc0e7a85681e7John McCall static void Profile(llvm::FoldingSetNodeID &ID, 35304ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ASTContext &Context, 353133500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 353233500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *Qualifier, 353333500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 353433500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 353533500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args); 353633500955d731c73717af52088b7fc0e7a85681e7John McCall 353733500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const Type *T) { 353833500955d731c73717af52088b7fc0e7a85681e7John McCall return T->getTypeClass() == DependentTemplateSpecialization; 353933500955d731c73717af52088b7fc0e7a85681e7John McCall } 354033500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const DependentTemplateSpecializationType *T) { 354133500955d731c73717af52088b7fc0e7a85681e7John McCall return true; 354233500955d731c73717af52088b7fc0e7a85681e7John McCall } 354333500955d731c73717af52088b7fc0e7a85681e7John McCall}; 354433500955d731c73717af52088b7fc0e7a85681e7John McCall 35457536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// \brief Represents a pack expansion of types. 35467536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 35477536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// Pack expansions are part of C++0x variadic templates. A pack 35487536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// expansion contains a pattern, which itself contains one or more 35497536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// "unexpanded" parameter packs. When instantiated, a pack expansion 35507536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// produces a series of types, each instantiated from the pattern of 35517536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// the expansion, where the Ith instantiation of the pattern uses the 35527536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// Ith arguments bound to each of the unexpanded parameter packs. The 35537536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// pack expansion is considered to "expand" these unexpanded 35547536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// parameter packs. 35557536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 35567536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// \code 35577536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// template<typename ...Types> struct tuple; 35587536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 35597536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// template<typename ...Types> 35607536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// struct tuple_of_references { 35617536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// typedef tuple<Types&...> type; 35627536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// }; 35637536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// \endcode 35647536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// 35657536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// Here, the pack expansion \c Types&... is represented via a 35667536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor/// PackExpansionType whose pattern is Types&. 35677536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregorclass PackExpansionType : public Type, public llvm::FoldingSetNode { 35687536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// \brief The pattern of the pack expansion. 35697536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType Pattern; 35707536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 3571cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// \brief The number of expansions that this pack expansion will 3572cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// generate when substituted (+1), or indicates that 3573cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// 3574cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// This field will only have a non-zero value when some of the parameter 3575cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// packs that occur within the pattern have been substituted but others have 3576cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// not. 3577cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor unsigned NumExpansions; 3578cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor 3579cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor PackExpansionType(QualType Pattern, QualType Canon, 3580cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> NumExpansions) 35817536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor : Type(PackExpansion, Canon, /*Dependent=*/true, 35827536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /*VariableModified=*/Pattern->isVariablyModifiedType(), 35837536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /*ContainsUnexpandedParameterPack=*/false), 3584cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor Pattern(Pattern), 3585cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor NumExpansions(NumExpansions? *NumExpansions + 1: 0) { } 35867536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 35877536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor friend class ASTContext; // ASTContext creates these 3588cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor 35897536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregorpublic: 35907536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// \brief Retrieve the pattern of this pack expansion, which is the 35917536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// type that will be repeatedly instantiated when instantiating the 35927536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor /// pack expansion itself. 35937536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType getPattern() const { return Pattern; } 35947536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 3595cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// \brief Retrieve the number of expansions that this pack expansion will 3596cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor /// generate, if known. 3597cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> getNumExpansions() const { 3598cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor if (NumExpansions) 3599cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor return NumExpansions - 1; 3600cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor 3601cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor return llvm::Optional<unsigned>(); 3602cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor } 3603cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor 36047536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor bool isSugared() const { return false; } 36057536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType desugar() const { return QualType(this, 0); } 36067536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 36077536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 3608cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor Profile(ID, getPattern(), getNumExpansions()); 36097536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 36107536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 3611cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, QualType Pattern, 3612cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> NumExpansions) { 36137536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor ID.AddPointer(Pattern.getAsOpaquePtr()); 3614cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor ID.AddBoolean(NumExpansions); 3615cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor if (NumExpansions) 3616cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor ID.AddInteger(*NumExpansions); 36177536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 36187536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 36197536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor static bool classof(const Type *T) { 36207536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return T->getTypeClass() == PackExpansion; 36217536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 36227536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor static bool classof(const PackExpansionType *T) { 36237536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return true; 36247536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 36257536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor}; 36267536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 3627c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectType - Represents a class type in Objective C. 3628c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Every Objective C type is a combination of a base type and a 3629c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// list of protocols. 3630c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3631c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Given the following declarations: 3632c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @class C; 3633c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @protocol P; 3634c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3635c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C' is an ObjCInterfaceType C. It is sugar for an ObjCObjectType 3636c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// with base C and no protocols. 3637c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3638c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C<P>' is an ObjCObjectType with base C and protocol list [P]. 3639c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3640e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id' is a TypedefType which is sugar for an ObjCPointerType whose 3641e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// pointee is an ObjCObjectType with base BuiltinType::ObjCIdType 3642e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// and no protocols. 3643c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3644e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id<P>' is an ObjCPointerType whose pointee is an ObjCObjecType 3645e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// with base BuiltinType::ObjCIdType and protocol list [P]. Eventually 3646e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// this should get its own sugar class to better represent the source. 3647c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectType : public Type { 3648b870b88df784c2940efce448ebfaf54dece14666John McCall // ObjCObjectType.NumProtocols - the number of protocols stored 3649b870b88df784c2940efce448ebfaf54dece14666John McCall // after the ObjCObjectPointerType node. 365071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // 365171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // These protocols are those written directly on the type. If 365271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // protocol qualifiers ever become additive, the iterators will need 365371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // to get kindof complicated. 365471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // 365571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // In the canonical object type, these are sorted alphabetically 365671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // and uniqued. 3657c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 3658c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Either a BuiltinType or an InterfaceType or sugar for either. 3659c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType BaseType; 3660c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3661c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *getProtocolStorage() const { 3662c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return const_cast<ObjCObjectType*>(this)->getProtocolStorage(); 3663c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3664c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3665c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl **getProtocolStorage(); 3666c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3667c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallprotected: 3668c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(QualType Canonical, QualType Base, 3669c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, unsigned NumProtocols); 3670c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3671c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum Nonce_ObjCInterface { Nonce_ObjCInterface }; 3672c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(enum Nonce_ObjCInterface) 3673d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(ObjCInterface, QualType(), false, false, false), 367471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall BaseType(QualType(this_(), 0)) { 3675b870b88df784c2940efce448ebfaf54dece14666John McCall ObjCObjectTypeBits.NumProtocols = 0; 367671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 3677c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 36783536b443bc50d58a79f14fca9b6842541a434854Steve Naroffpublic: 3679e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getBaseType - Gets the base type of this object type. This is 3680e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// always (possibly sugar for) one of: 3681e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'id' builtin type (as opposed to the 'id' type visible to the 3682e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user, which is a typedef for an ObjCPointerType) 3683e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'Class' builtin type (same caveat) 3684e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - an ObjCObjectType (currently always an ObjCInterfaceType) 3685c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType getBaseType() const { return BaseType; } 368671842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek 3687c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCId() const { 3688c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCId); 3689c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3690c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCClass() const { 3691c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCClass); 3692c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3693c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedId() const { return qual_empty() && isObjCId(); } 3694c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedClass() const { return qual_empty() && isObjCClass(); } 3695c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedIdOrClass() const { 3696c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!qual_empty()) return false; 3697c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const BuiltinType *T = getBaseType()->getAs<BuiltinType>()) 3698c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getKind() == BuiltinType::ObjCId || 3699c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getKind() == BuiltinType::ObjCClass; 3700c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return false; 3701c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3702c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedId() const { return !qual_empty() && isObjCId(); } 3703c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedClass() const { return !qual_empty() && isObjCClass(); } 3704c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3705c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Gets the interface declaration for this object type, if the base type 3706c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// really is an interface. 3707c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *getInterface() const; 3708c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3709c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCProtocolDecl * const *qual_iterator; 3710c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3711c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_begin() const { return getProtocolStorage(); } 3712c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { return qual_begin() + getNumProtocols(); } 3713c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3714c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getNumProtocols() == 0; } 37151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3716c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// getNumProtocols - Return the number of qualifying protocols in this 3717c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// interface type, or 0 if there are none. 3718b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getNumProtocols() const { return ObjCObjectTypeBits.NumProtocols; } 371914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3720c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// \brief Fetch a protocol by index. 372173dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 372273dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor assert(I < getNumProtocols() && "Out-of-range protocol access"); 372373dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor return qual_begin()[I]; 372473dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 372573dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 3726bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3727bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3728bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3729c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const Type *T) { 3730c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getTypeClass() == ObjCObject || 3731c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getTypeClass() == ObjCInterface; 3732c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3733c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const ObjCObjectType *) { return true; } 3734c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 3735c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3736c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectTypeImpl - A class providing a concrete implementation 3737c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// of ObjCObjectType, so as to not increase the footprint of 3738c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType. Code outside of ASTContext and the core type 3739c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// system should not reference this type. 3740c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectTypeImpl : public ObjCObjectType, public llvm::FoldingSetNode { 3741c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; 3742c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3743c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If anyone adds fields here, ObjCObjectType::getProtocolStorage() 3744c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // will need to be modified. 3745c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3746c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl(QualType Canonical, QualType Base, 3747c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 3748c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols) 3749c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Canonical, Base, Protocols, NumProtocols) {} 3750c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3751c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 3752c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff void Profile(llvm::FoldingSetNodeID &ID); 37531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, 3754c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Base, 3755c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl *const *protocols, 3756c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols); 3757c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 37581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3759c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCProtocolDecl **ObjCObjectType::getProtocolStorage() { 3760c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return reinterpret_cast<ObjCProtocolDecl**>( 3761c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static_cast<ObjCObjectTypeImpl*>(this) + 1); 3762c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 3763c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3764c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType - Interfaces are the core concept in Objective-C for 3765c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// object oriented design. They basically correspond to C++ classes. There 3766c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// are two kinds of interface types, normal interfaces like "NSString" and 3767c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// qualified interfaces, which are qualified with a protocol list like 3768c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// "NSString<NSCopyable, NSAmazing>". 3769e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 3770e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCInterfaceType guarantees the following properties when considered 3771e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// as a subtype of its superclass, ObjCObjectType: 3772e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - There are no protocol qualifiers. To reinforce this, code which 3773e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// tries to invoke the protocol methods via an ObjCInterfaceType will 3774e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// fail to compile. 3775e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - It is its own base type. That is, if T is an ObjCInterfaceType*, 3776e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// T->getBaseType() == QualType(T, 0). 3777c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCInterfaceType : public ObjCObjectType { 3778c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *Decl; 3779c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3780c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceType(const ObjCInterfaceDecl *D) 3781c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Nonce_ObjCInterface), 3782c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Decl(const_cast<ObjCInterfaceDecl*>(D)) {} 3783c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; // ASTContext creates these. 37841fb0caaa7bef765b85972274e3b434af2572c141John McCall 3785c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 3786e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getDecl - Get the declaration of this interface. 3787deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceDecl *getDecl() const { return Decl; } 3788c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3789c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isSugared() const { return false; } 3790c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType desugar() const { return QualType(this, 0); } 37910b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 37921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 37931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCInterface; 37943536b443bc50d58a79f14fca9b6842541a434854Steve Naroff } 3795a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCInterfaceType *) { return true; } 3796c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3797c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Nonsense to "hide" certain members of ObjCObjectType within this 3798c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // class. People asking for protocols on an ObjCInterfaceType are 3799c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // not going to get what they want: ObjCInterfaceTypes are 3800c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // guaranteed to have no protocols. 3801c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum { 3802c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator, 3803c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_begin, 3804c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_end, 3805c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getNumProtocols, 3806c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getProtocol 3807c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall }; 38083536b443bc50d58a79f14fca9b6842541a434854Steve Naroff}; 38093536b443bc50d58a79f14fca9b6842541a434854Steve Naroff 3810c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCInterfaceDecl *ObjCObjectType::getInterface() const { 3811c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCInterfaceType *T = 3812c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getBaseType()->getAs<ObjCInterfaceType>()) 3813c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getDecl(); 3814c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return 0; 3815c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 3816c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3817e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCObjectPointerType - Used to represent a pointer to an 3818e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Objective C object. These are constructed from pointer 3819e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// declarators when the pointee type is an ObjCObjectType (or sugar 3820e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for one). In addition, the 'id' and 'Class' types are typedefs 3821e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for these, and the protocol-qualified types 'id<P>' and 'Class<P>' 3822e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// are translated into these. 382314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff/// 3824e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Pointers to pointers to Objective C objects are still PointerTypes; 3825e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// only the first level of pointer gets it own type implementation. 382614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffclass ObjCObjectPointerType : public Type, public llvm::FoldingSetNode { 3827e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall QualType PointeeType; 38281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3829c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType(QualType Canonical, QualType Pointee) 3830d0937224f383c7cc72c947119380f9713a070c73Douglas Gregor : Type(ObjCObjectPointer, Canonical, false, false, false), 3831c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall PointeeType(Pointee) {} 383214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff friend class ASTContext; // ASTContext creates these. 38331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 383414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffpublic: 3835e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getPointeeType - Gets the type pointed to by this ObjC pointer. 3836e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The result will always be an ObjCObjectType or sugar thereof. 383714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const { return PointeeType; } 383814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3839e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getObjCObjectType - Gets the type pointed to by this ObjC 3840e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// pointer. This method always returns non-null. 3841e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 3842e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// This method is equivalent to getPointeeType() except that 3843e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// it discards any typedefs (or other sugar) between this 3844e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type and the "outermost" object type. So for: 3845e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @class A; @protocol P; @protocol Q; 3846e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A<P> AP; 3847e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A A1; 3848e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1<P> A1P; 3849e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1P<Q> A1PQ; 3850e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A*', getObjectType() will return 'A'. 3851e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A<P>*', getObjectType() will return 'A<P>'. 3852e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'AP*', getObjectType() will return 'A<P>'. 3853e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1*', getObjectType() will return 'A'. 3854e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1<P>*', getObjectType() will return 'A1<P>'. 3855e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1P*', getObjectType() will return 'A1<P>'. 3856e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1PQ*', getObjectType() will return 'A1<Q>', because 3857e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// adding protocols to a protocol-qualified base discards the 3858e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// old qualifiers (for now). But if it didn't, getObjectType() 3859e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// would return 'A1P<Q>' (and we'd have to make iterating over 3860e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers more complicated). 3861c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getObjectType() const { 3862d0370f59e79702ac908c81bf556519f91e9ca297John McCall return PointeeType->castAs<ObjCObjectType>(); 3863c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3864c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3865e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceType - If this pointer points to an Objective C 3866e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @interface type, gets the type for that interface. Any protocol 3867e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers on the interface are ignored. 3868e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 3869e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 38701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCInterfaceType *getInterfaceType() const { 3871c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getBaseType()->getAs<ObjCInterfaceType>(); 387214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3873e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3874e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceDecl - If this pointer points to an Objective @interface 3875e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type, gets the declaration for that interface. 3876e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 3877e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 387814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ObjCInterfaceDecl *getInterfaceDecl() const { 3879e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall return getObjectType()->getInterface(); 388014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3881e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3882e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCIdType - True if this is equivalent to the 'id' type, i.e. if 3883e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// its object type is the primitive 'id' type with no protocols. 388414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const { 3885c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedId(); 388614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3887e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3888e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCClassType - True if this is equivalent to the 'Class' type, 3889e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// i.e. if its object tive is the primitive 'Class' type with no protocols. 389014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const { 3891c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedClass(); 3892de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 38938d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian 3894e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedIdType - True if this is equivalent to 'id<P>' for some 3895e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// non-empty set of protocols. 38961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isObjCQualifiedIdType() const { 3897c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedId(); 3898de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 3899e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3900e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedClassType - True if this is equivalent to 'Class<P>' for 3901e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// some non-empty set of protocols. 3902470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const { 3903c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedClass(); 390414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3905e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3906e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// An iterator over the qualifiers on the object type. Provided 3907e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// for convenience. This will always iterate over the full set of 3908e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// protocols on a type, not just those provided directly. 3909c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCObjectType::qual_iterator qual_iterator; 391014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 391171842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek qual_iterator qual_begin() const { 3912c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_begin(); 391371842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 3914c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { 3915c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_end(); 391671842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 3917c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getObjectType()->qual_empty(); } 391814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3919e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getNumProtocols - Return the number of qualifying protocols on 3920e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// the object type. 3921c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned getNumProtocols() const { 3922c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getNumProtocols(); 3923c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 392414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3925e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \brief Retrieve a qualifying protocol by index on the object 3926e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type. 392773dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 3928c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getProtocol(I); 392973dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 393073dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 3931bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3932bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3933bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3934e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall void Profile(llvm::FoldingSetNodeID &ID) { 3935e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall Profile(ID, getPointeeType()); 3936e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall } 3937c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, QualType T) { 3938c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ID.AddPointer(T.getAsOpaquePtr()); 3939c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 39401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 39411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCObjectPointer; 394214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 394314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff static bool classof(const ObjCObjectPointerType *) { return true; } 394414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff}; 39451bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 39460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// A qualifier set is used to build a set of qualifiers. 39470953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualifierCollector : public Qualifiers { 39480953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 394949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualifierCollector(Qualifiers Qs = Qualifiers()) : Qualifiers(Qs) {} 39500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 39510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Collect any qualifiers on the given type and return an 39523b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// unqualified type. The qualifiers are assumed to be consistent 39533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall /// with those already in the type. 39543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const Type *strip(QualType type) { 39553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall addFastQualifiers(type.getLocalFastQualifiers()); 39563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!type.hasLocalNonFastQualifiers()) 39573b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return type.getTypePtrUnsafe(); 39583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 39593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ExtQuals *extQuals = type.getExtQualsUnsafe(); 39603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall addConsistentQualifiers(extQuals->getQualifiers()); 39613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return extQuals->getBaseType(); 39620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 39630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 39640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 39654ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType apply(const ASTContext &Context, QualType QT) const; 39660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 39670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 39684ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType apply(const ASTContext &Context, const Type* T) const; 39690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 39700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 39710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3972611c1fff195d32df97706e0920c92468b2509900Chris Lattner// Inline function definitions. 39735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 39743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline const Type *QualType::getTypePtr() const { 39753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getCommonPtr()->BaseType; 39763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 39773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 39783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline const Type *QualType::getTypePtrOrNull() const { 39793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return (isNull() ? 0 : getCommonPtr()->BaseType); 39803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 39813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 39823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline SplitQualType QualType::split() const { 39833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!hasLocalNonFastQualifiers()) 39843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return SplitQualType(getTypePtrUnsafe(), 39853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers::fromFastMask(getLocalFastQualifiers())); 39863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 39873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ExtQuals *eq = getExtQualsUnsafe(); 39883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs = eq->getQualifiers(); 39893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall qs.addFastQualifiers(getLocalFastQualifiers()); 39903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return SplitQualType(eq->getBaseType(), qs); 39913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 39923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 39933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline Qualifiers QualType::getLocalQualifiers() const { 39943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers Quals; 39953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (hasLocalNonFastQualifiers()) 39963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals = getExtQualsUnsafe()->getQualifiers(); 39973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Quals.addFastQualifiers(getLocalFastQualifiers()); 39983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return Quals; 39993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 40003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 40013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline Qualifiers QualType::getQualifiers() const { 40023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers quals = getCommonPtr()->CanonicalType.getLocalQualifiers(); 40033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall quals.addFastQualifiers(getLocalFastQualifiers()); 40043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return quals; 40053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 40063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 40073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline unsigned QualType::getCVRQualifiers() const { 40083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned cvr = getCommonPtr()->CanonicalType.getLocalCVRQualifiers(); 40093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall cvr |= getLocalCVRQualifiers(); 40103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return cvr; 40113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 40123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 40133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline QualType QualType::getCanonicalType() const { 40143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon = getCommonPtr()->CanonicalType; 40153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return canon.withFastQualifiers(getLocalFastQualifiers()); 40163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 40173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 4018467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCallinline bool QualType::isCanonical() const { 40193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getTypePtr()->isCanonicalUnqualified(); 4020467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall} 4021467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 402254e14c4db764c0636160d26c5bbf491637c83a76John McCallinline bool QualType::isCanonicalAsParam() const { 40233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!isCanonical()) return false; 4024a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalQualifiers()) return false; 4025745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 402654e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *T = getTypePtr(); 40273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (T->isVariablyModifiedType() && T->hasSizedVLAType()) 40283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return false; 40293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 40303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return !isa<FunctionType>(T) && !isa<ArrayType>(T); 403154e14c4db764c0636160d26c5bbf491637c83a76John McCall} 403254e14c4db764c0636160d26c5bbf491637c83a76John McCall 4033fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isConstQualified() const { 4034fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalConstQualified() || 40353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.isLocalConstQualified(); 4036fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4037fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4038fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isRestrictQualified() const { 4039fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalRestrictQualified() || 40403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.isLocalRestrictQualified(); 4041fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4042fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4043fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4044fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isVolatileQualified() const { 4045fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalVolatileQualified() || 40463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.isLocalVolatileQualified(); 4047fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4048fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4049fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::hasQualifiers() const { 4050fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return hasLocalQualifiers() || 40513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall getCommonPtr()->CanonicalType.hasLocalQualifiers(); 4052fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 405362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 405462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline QualType QualType::getUnqualifiedType() const { 405562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall if (!getTypePtr()->getCanonicalTypeInternal().hasLocalQualifiers()) 405662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(getTypePtr(), 0); 405762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 405862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(getSplitUnqualifiedTypeImpl(*this).first, 0); 405962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall} 406062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 406162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline SplitQualType QualType::getSplitUnqualifiedType() const { 406262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall if (!getTypePtr()->getCanonicalTypeInternal().hasLocalQualifiers()) 406362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return split(); 406462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 406562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getSplitUnqualifiedTypeImpl(*this); 4066fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 4067fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 406849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalConst() { 406949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Const); 40700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 40710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 407249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalRestrict() { 407349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Restrict); 40740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 40750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 407649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalVolatile() { 407749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Volatile); 40780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 40790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 408049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalCVRQualifiers(unsigned Mask) { 40816b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall assert(!(Mask & ~Qualifiers::CVRMask) && "mask has non-CVR bits"); 4082c3c0af36bac3d71f61dd758585ab307892545de4Douglas Gregor assert((int)Qualifiers::CVRMask == (int)Qualifiers::FastMask); 40830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 40840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast path: we don't need to touch the slow qualifiers. 408549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Mask); 4086ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 4087ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 4088ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb/// getAddressSpace - Return the address space of this type. 4089ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lambinline unsigned QualType::getAddressSpace() const { 40903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getQualifiers().getAddressSpace(); 4091ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 4092611c1fff195d32df97706e0920c92468b2509900Chris Lattner 4093d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian/// getObjCGCAttr - Return the gc attribute of this type. 40940953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline Qualifiers::GC QualType::getObjCGCAttr() const { 40953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getQualifiers().getObjCGCAttr(); 4096d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 40972455636163fdd18581d7fdae816433f886d88213Mike Stump 4098264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(const Type &t) { 4099264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola if (const PointerType *PT = t.getAs<PointerType>()) { 4100183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const FunctionType *FT = PT->getPointeeType()->getAs<FunctionType>()) 4101264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 4102264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } else if (const FunctionType *FT = t.getAs<FunctionType>()) 4103264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 41042455636163fdd18581d7fdae816433f886d88213Mike Stump 4105264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FunctionType::ExtInfo(); 41062455636163fdd18581d7fdae816433f886d88213Mike Stump} 41071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4108264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(QualType t) { 4109264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getFunctionExtInfo(*t); 4110ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 4111ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 4112b87786f045d798b070980c108c922e1475d27b15Douglas Gregor/// \brief Determine whether this set of qualifiers is a superset of the given 4113b87786f045d798b070980c108c922e1475d27b15Douglas Gregor/// set of qualifiers. 4114b87786f045d798b070980c108c922e1475d27b15Douglas Gregorinline bool Qualifiers::isSupersetOf(Qualifiers Other) const { 4115b87786f045d798b070980c108c922e1475d27b15Douglas Gregor return Mask != Other.Mask && (Mask | Other.Mask) == Mask; 4116b87786f045d798b070980c108c922e1475d27b15Douglas Gregor} 4117b87786f045d798b070980c108c922e1475d27b15Douglas Gregor 4118e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isMoreQualifiedThan - Determine whether this type is more 4119e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// qualified than the Other type. For example, "const volatile int" 4120e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// is more qualified than "const int", "volatile int", and 4121e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int". However, it is not more qualified than "const volatile 4122e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int". 412362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline bool QualType::isMoreQualifiedThan(QualType other) const { 412462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Qualifiers myQuals = getQualifiers(); 412562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Qualifiers otherQuals = other.getQualifiers(); 412662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return (myQuals != otherQuals && myQuals.compatiblyIncludes(otherQuals)); 4127e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 4128e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 4129e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isAtLeastAsQualifiedAs - Determine whether this type is at last 4130e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// as qualified as the Other type. For example, "const volatile 4131e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int" is at least as qualified as "const int", "volatile int", 4132e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int", and "const volatile int". 413362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallinline bool QualType::isAtLeastAsQualifiedAs(QualType other) const { 413462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getQualifiers().compatiblyIncludes(other.getQualifiers()); 4135e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 4136e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 4137e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// getNonReferenceType - If Type is a reference type (e.g., const 4138e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int&), returns the type that the reference refers to ("const 4139e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int"). Otherwise, returns the type itself. This routine is used 4140e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// throughout Sema to implement C++ 5p6: 4141e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 4142e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// If an expression initially has the type "reference to T" (8.3.2, 4143e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 8.5.3), the type is adjusted to "T" prior to any further 4144e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// analysis, the expression designates the object or function 4145e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// denoted by the reference, and the expression is an lvalue. 4146e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline QualType QualType::getNonReferenceType() const { 41476217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType *RefType = (*this)->getAs<ReferenceType>()) 4148e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return RefType->getPointeeType(); 4149e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor else 4150e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return *this; 4151e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 4152e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 4153611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isFunctionType() const { 4154a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<FunctionType>(CanonicalType); 4155611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4156611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isPointerType() const { 4157a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<PointerType>(CanonicalType); 4158611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 415958f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroffinline bool Type::isAnyPointerType() const { 416058f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff return isPointerType() || isObjCObjectPointerType(); 416158f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff} 41625618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffinline bool Type::isBlockPointerType() const { 4163a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<BlockPointerType>(CanonicalType); 41645618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 4165bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattnerinline bool Type::isReferenceType() const { 4166a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ReferenceType>(CanonicalType); 4167bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner} 41687c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isLValueReferenceType() const { 4169a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<LValueReferenceType>(CanonicalType); 41707c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 41717c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isRValueReferenceType() const { 4172a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RValueReferenceType>(CanonicalType); 41737c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 4174498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenekinline bool Type::isFunctionPointerType() const { 4175d0370f59e79702ac908c81bf556519f91e9ca297John McCall if (const PointerType *T = getAs<PointerType>()) 4176498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return T->getPointeeType()->isFunctionType(); 4177498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek else 4178498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return false; 4179498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek} 4180f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberPointerType() const { 4181a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<MemberPointerType>(CanonicalType); 4182f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 4183f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberFunctionPointerType() const { 41846217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const MemberPointerType* T = getAs<MemberPointerType>()) 41850bab0cdab751248ca389a5592bcb70eac5d39260John McCall return T->isMemberFunctionPointer(); 4186f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl else 4187f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return false; 4188f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 4189db68e28c05a67735211e688009890cf834c22e75Douglas Gregorinline bool Type::isMemberDataPointerType() const { 4190db68e28c05a67735211e688009890cf834c22e75Douglas Gregor if (const MemberPointerType* T = getAs<MemberPointerType>()) 41910bab0cdab751248ca389a5592bcb70eac5d39260John McCall return T->isMemberDataPointer(); 4192db68e28c05a67735211e688009890cf834c22e75Douglas Gregor else 4193db68e28c05a67735211e688009890cf834c22e75Douglas Gregor return false; 4194db68e28c05a67735211e688009890cf834c22e75Douglas Gregor} 4195611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isArrayType() const { 4196a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ArrayType>(CanonicalType); 4197611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4198c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isConstantArrayType() const { 4199a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ConstantArrayType>(CanonicalType); 4200c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 4201c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isIncompleteArrayType() const { 4202a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<IncompleteArrayType>(CanonicalType); 4203c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 4204c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isVariableArrayType() const { 4205a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VariableArrayType>(CanonicalType); 4206c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 4207898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorinline bool Type::isDependentSizedArrayType() const { 4208a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<DependentSizedArrayType>(CanonicalType); 4209898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 42103ff83dd534ccc828203670ce3f5125a4eb4199f8John McCallinline bool Type::isBuiltinType() const { 42113ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall return isa<BuiltinType>(CanonicalType); 42123ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall} 4213611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isRecordType() const { 4214a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RecordType>(CanonicalType); 4215611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 42163ff83dd534ccc828203670ce3f5125a4eb4199f8John McCallinline bool Type::isEnumeralType() const { 42173ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall return isa<EnumType>(CanonicalType); 42183ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall} 4219f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattnerinline bool Type::isAnyComplexType() const { 4220a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ComplexType>(CanonicalType); 4221f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner} 4222611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isVectorType() const { 4223a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VectorType>(CanonicalType); 4224611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4225213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemaninline bool Type::isExtVectorType() const { 4226a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ExtVectorType>(CanonicalType); 4227611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 4228d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroffinline bool Type::isObjCObjectPointerType() const { 4229a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ObjCObjectPointerType>(CanonicalType); 4230d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 4231c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline bool Type::isObjCObjectType() const { 4232c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isa<ObjCObjectType>(CanonicalType); 4233368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner} 4234569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorinline bool Type::isObjCObjectOrInterfaceType() const { 4235569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return isa<ObjCInterfaceType>(CanonicalType) || 4236569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor isa<ObjCObjectType>(CanonicalType); 4237569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 4238569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 4239a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekinline bool Type::isObjCQualifiedIdType() const { 4240183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 4241d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return OPT->isObjCQualifiedIdType(); 4242d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return false; 4243d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian} 4244470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroffinline bool Type::isObjCQualifiedClassType() const { 4245183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 4246470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return OPT->isObjCQualifiedClassType(); 4247470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return false; 4248470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff} 424914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCIdType() const { 4250183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 425114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCIdType(); 425214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 425314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 425414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCClassType() const { 4255183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 425614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCClassType(); 425714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 425814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 425913dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanianinline bool Type::isObjCSelType() const { 42608d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (const PointerType *OPT = getAs<PointerType>()) 42618d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return OPT->getPointeeType()->isSpecificBuiltinType(BuiltinType::ObjCSel); 426213dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return false; 426313dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian} 4264de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroffinline bool Type::isObjCBuiltinType() const { 426513dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return isObjCIdType() || isObjCClassType() || isObjCSelType(); 4266de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff} 426772c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregorinline bool Type::isTemplateTypeParmType() const { 4268a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<TemplateTypeParmType>(CanonicalType); 426972c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor} 427072c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 4271e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbarinline bool Type::isSpecificBuiltinType(unsigned K) const { 4272183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = getAs<BuiltinType>()) 4273e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar if (BT->getKind() == (BuiltinType::Kind) K) 4274e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return true; 4275e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return false; 4276e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar} 4277e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 42782a984cad5ac3fdceeff2bd99daa7b90979313475John McCallinline bool Type::isPlaceholderType() const { 42792a984cad5ac3fdceeff2bd99daa7b90979313475John McCall if (const BuiltinType *BT = getAs<BuiltinType>()) 42802a984cad5ac3fdceeff2bd99daa7b90979313475John McCall return BT->isPlaceholderType(); 42812a984cad5ac3fdceeff2bd99daa7b90979313475John McCall return false; 42822a984cad5ac3fdceeff2bd99daa7b90979313475John McCall} 42832a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 4284063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// \brief Determines whether this is a type for which one can define 4285063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// an overloaded operator. 4286063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregorinline bool Type::isOverloadableType() const { 4287063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor return isDependentType() || isRecordType() || isEnumeralType(); 4288904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor} 4289904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor 42908958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbarinline bool Type::hasPointerRepresentation() const { 42918958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar return (isPointerType() || isReferenceType() || isBlockPointerType() || 4292c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall isObjCObjectPointerType() || isNullPtrType()); 42938958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar} 42948958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 4295820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanianinline bool Type::hasObjCPointerRepresentation() const { 4296c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isObjCObjectPointerType(); 4297820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian} 4298820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 4299d0370f59e79702ac908c81bf556519f91e9ca297John McCallinline const Type *Type::getBaseElementTypeUnsafe() const { 4300d0370f59e79702ac908c81bf556519f91e9ca297John McCall const Type *type = this; 4301d0370f59e79702ac908c81bf556519f91e9ca297John McCall while (const ArrayType *arrayType = type->getAsArrayTypeUnsafe()) 4302d0370f59e79702ac908c81bf556519f91e9ca297John McCall type = arrayType->getElementType().getTypePtr(); 4303d0370f59e79702ac908c81bf556519f91e9ca297John McCall return type; 4304d0370f59e79702ac908c81bf556519f91e9ca297John McCall} 4305d0370f59e79702ac908c81bf556519f91e9ca297John McCall 430622caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// Insertion operator for diagnostics. This allows sending QualType's into a 430722caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// diagnostic with <<. 430822caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 430922caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner QualType T) { 431022caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner DB.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 431122caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner Diagnostic::ak_qualtype); 431222caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner return DB; 431322caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner} 43141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 431547c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// Insertion operator for partial diagnostics. This allows sending QualType's 431647c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// into a diagnostic with <<. 431747c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruthinline const PartialDiagnostic &operator<<(const PartialDiagnostic &PD, 431847c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth QualType T) { 431947c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth PD.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 432047c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth Diagnostic::ak_qualtype); 432147c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth return PD; 432247c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth} 432347c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth 432489c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// Helper class template that is used by Type::getAs to ensure that one does 432589c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// not try to look through a qualified type to get to an array type. 432689c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T, 432789c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor bool isArrayType = (llvm::is_same<T, ArrayType>::value || 432889c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor llvm::is_base_of<ArrayType, T>::value)> 432989c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs { }; 433089c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 433189c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T> 433289c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs<T, true>; 433389c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 43341a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek/// Member-template getAs<specific type>'. 43351a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenektemplate <typename T> const T *Type::getAs() const { 433689c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor ArrayType_cannot_be_used_with_getAs<T> at; 433789c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor (void)at; 433889c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 43391a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If this is directly a T type, return it. 43401a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek if (const T *Ty = dyn_cast<T>(this)) 43411a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return Ty; 43421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43431a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If the canonical form of this type isn't the right kind, reject it. 43440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<T>(CanonicalType)) 43451a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return 0; 43461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this is a typedef for the type, strip the typedef off without 43481a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // losing all typedef information. 4349bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return cast<T>(getUnqualifiedDesugaredType()); 43501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump} 435122caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner 43523b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallinline const ArrayType *Type::getAsArrayTypeUnsafe() const { 43533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If this is directly an array type, return it. 43543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (const ArrayType *arr = dyn_cast<ArrayType>(this)) 43553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return arr; 43563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 43573b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the canonical form of this type isn't the right kind, reject it. 43583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!isa<ArrayType>(CanonicalType)) 43593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return 0; 43603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 43613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If this is a typedef for the type, strip the typedef off without 43623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // losing all typedef information. 43633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return cast<ArrayType>(getUnqualifiedDesugaredType()); 43643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 43653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 4366d0370f59e79702ac908c81bf556519f91e9ca297John McCalltemplate <typename T> const T *Type::castAs() const { 4367d0370f59e79702ac908c81bf556519f91e9ca297John McCall ArrayType_cannot_be_used_with_getAs<T> at; 4368d0370f59e79702ac908c81bf556519f91e9ca297John McCall (void) at; 4369d0370f59e79702ac908c81bf556519f91e9ca297John McCall 4370d0370f59e79702ac908c81bf556519f91e9ca297John McCall assert(isa<T>(CanonicalType)); 4371d0370f59e79702ac908c81bf556519f91e9ca297John McCall if (const T *ty = dyn_cast<T>(this)) return ty; 4372d0370f59e79702ac908c81bf556519f91e9ca297John McCall return cast<T>(getUnqualifiedDesugaredType()); 4373d0370f59e79702ac908c81bf556519f91e9ca297John McCall} 4374d0370f59e79702ac908c81bf556519f91e9ca297John McCall 4375d0370f59e79702ac908c81bf556519f91e9ca297John McCallinline const ArrayType *Type::castAsArrayTypeUnsafe() const { 4376d0370f59e79702ac908c81bf556519f91e9ca297John McCall assert(isa<ArrayType>(CanonicalType)); 4377d0370f59e79702ac908c81bf556519f91e9ca297John McCall if (const ArrayType *arr = dyn_cast<ArrayType>(this)) return arr; 4378d0370f59e79702ac908c81bf556519f91e9ca297John McCall return cast<ArrayType>(getUnqualifiedDesugaredType()); 4379d0370f59e79702ac908c81bf556519f91e9ca297John McCall} 4380d0370f59e79702ac908c81bf556519f91e9ca297John McCall 43815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 43825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 43835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 4384