Type.h revision 075f8f1b6bed4d1b224c74f87508534cc6392ce6
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" 181734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor#include "clang/Basic/IdentifierTable.h" 190b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor#include "clang/Basic/Linkage.h" 2047c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth#include "clang/Basic/PartialDiagnostic.h" 211fb0caaa7bef765b85972274e3b434af2572c141John McCall#include "clang/Basic/Visibility.h" 22e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor#include "clang/AST/NestedNameSpecifier.h" 237532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor#include "clang/AST/TemplateName.h" 245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "llvm/Support/Casting.h" 2550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor#include "llvm/Support/type_traits.h" 26fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff#include "llvm/ADT/APSInt.h" 275cf243a883872441d73ca49cea7e20de5802629bChris Lattner#include "llvm/ADT/FoldingSet.h" 285cf243a883872441d73ca49cea7e20de5802629bChris Lattner#include "llvm/ADT/PointerIntPair.h" 291734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor#include "llvm/ADT/PointerUnion.h" 307532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::isa; 325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::cast; 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::cast_or_null; 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::dyn_cast; 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing llvm::dyn_cast_or_null; 366b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCallnamespace clang { 376b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { 38f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor TypeAlignmentInBits = 4, 396b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment = 1 << TypeAlignmentInBits 406b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall }; 41aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class Type; 42aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class ExtQuals; 43aed1df80bf64228e1429c1edc408397f9174847cChris Lattner class QualType; 446b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall} 455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 464e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnernamespace llvm { 474e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner template <typename T> 48daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattner class PointerLikeTypeTraits; 49bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner template<> 50bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner class PointerLikeTypeTraits< ::clang::Type*> { 51bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner public: 52bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner static inline void *getAsVoidPointer(::clang::Type *P) { return P; } 53bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner static inline ::clang::Type *getFromVoidPointer(void *P) { 54bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner return static_cast< ::clang::Type*>(P); 55bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner } 566b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { NumLowBitsAvailable = clang::TypeAlignmentInBits }; 57bfadf55ba5b736b13cc3e0fbc2b184569bc9f304Chris Lattner }; 580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall template<> 590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall class PointerLikeTypeTraits< ::clang::ExtQuals*> { 600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall public: 610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static inline void *getAsVoidPointer(::clang::ExtQuals *P) { return P; } 620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static inline ::clang::ExtQuals *getFromVoidPointer(void *P) { 630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return static_cast< ::clang::ExtQuals*>(P); 640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 656b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall enum { NumLowBitsAvailable = clang::TypeAlignmentInBits }; 660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall }; 67aed1df80bf64228e1429c1edc408397f9174847cChris Lattner 68aed1df80bf64228e1429c1edc408397f9174847cChris Lattner template <> 69aed1df80bf64228e1429c1edc408397f9174847cChris Lattner struct isPodLike<clang::QualType> { static const bool value = true; }; 704e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner} 714e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner 725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class ASTContext; 745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TypedefDecl; 7555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor class TemplateDecl; 7672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor class TemplateTypeParmDecl; 77aaba5e346dffdbad5d1c42765a89e4a7afb0da67Douglas Gregor class NonTypeTemplateParmDecl; 787532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor class TemplateTemplateParmDecl; 795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class TagDecl; 805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class RecordDecl; 8149aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis class CXXRecordDecl; 825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class EnumDecl; 8321d50e12c3c412d8457071dc419363b7a7e8b855Ted Kremenek class FieldDecl; 84a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCInterfaceDecl; 85a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCProtocolDecl; 86a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek class ObjCMethodDecl; 87ed97649e9574b9d854fa4d6109c9333ae0993554John McCall class UnresolvedUsingTypenameDecl; 885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class Expr; 89b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek class Stmt; 905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer class SourceLocation; 9192866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek class StmtIteratorBase; 9240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor class TemplateArgument; 93833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall class TemplateArgumentLoc; 94d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall class TemplateArgumentListInfo; 95ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall class Type; 96465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara class ElaboratedType; 973b4ea54acf01f72f6eb74d96689dda86d950228fDaniel Dunbar struct PrintingPolicy; 9872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 99ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall template <typename> class CanQual; 100ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall typedef CanQual<Type> CanQualType; 101ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall 10272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // Provide forward declarations for all of the *Type classes 10372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) class Class##Type; 10472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 105f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// Qualifiers - The collection of all-type qualifiers we support. 1070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// Clang supports five independent qualifiers: 1080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * C99: const, volatile, and restrict 1090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * Embedded C (TR18037): address spaces 1100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// * Objective C: the GC attributes (none, weak, or strong) 1110953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass Qualifiers { 1125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum TQ { // NOTE: These flags must be kept in sync with DeclSpec::TQ. 1145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Const = 0x1, 1155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Restrict = 0x2, 1165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Volatile = 0x4, 1170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CVRMask = Const | Volatile | Restrict 1185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 1191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum GC { 121d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian GCNone = 0, 122d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian Weak, 123d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian Strong 124d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian }; 125efadb7768e7c7418185f5a4010ecd8b21ca9731bJohn McCall 1260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall enum { 1270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The maximum supported address space number. 1280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 24 bits should be enough for anyone. 1290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall MaxAddressSpace = 0xffffffu, 1300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The width of the "fast" qualifier mask. 132f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor FastWidth = 3, 1330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// The fast qualifier mask. 1350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FastMask = (1 << FastWidth) - 1 1360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall }; 1370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers() : Mask(0) {} 1390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromFastMask(unsigned Mask) { 1410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.addFastQualifiers(Mask); 1430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromCVRMask(unsigned CVR) { 1470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.addCVRQualifiers(CVR); 1490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Deserialize qualifiers from an opaque representation. 1530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static Qualifiers fromOpaqueValue(unsigned opaque) { 1540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Qs; 1550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qs.Mask = opaque; 1560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qs; 1570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Serialize these qualifiers into an opaque representation. 1600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAsOpaqueValue() const { 1610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Mask; 1620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasConst() const { return Mask & Const; } 1650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setConst(bool flag) { 1660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Const) | (flag ? Const : 0); 1670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeConst() { Mask &= ~Const; } 1690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { Mask |= Const; } 1700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasVolatile() const { return Mask & Volatile; } 1720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setVolatile(bool flag) { 1730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Volatile) | (flag ? Volatile : 0); 1740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeVolatile() { Mask &= ~Volatile; } 1760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addVolatile() { Mask |= Volatile; } 1770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasRestrict() const { return Mask & Restrict; } 1790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setRestrict(bool flag) { 1800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~Restrict) | (flag ? Restrict : 0); 1810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeRestrict() { Mask &= ~Restrict; } 1830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addRestrict() { Mask |= Restrict; } 1840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasCVRQualifiers() const { return getCVRQualifiers(); } 1860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getCVRQualifiers() const { return Mask & CVRMask; } 1870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setCVRQualifiers(unsigned mask) { 1880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 1890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~CVRMask) | mask; 1900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers(unsigned mask) { 1920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 1930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask &= ~mask; 1940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeCVRQualifiers() { 1960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeCVRQualifiers(CVRMask); 1970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 1980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addCVRQualifiers(unsigned mask) { 1990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); 2000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= mask; 2010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasObjCGCAttr() const { return Mask & GCAttrMask; } 2040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GC getObjCGCAttr() const { return GC((Mask & GCAttrMask) >> GCAttrShift); } 2050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setObjCGCAttr(GC type) { 2060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~GCAttrMask) | (type << GCAttrShift); 2070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeObjCGCAttr() { setObjCGCAttr(GCNone); } 2090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addObjCGCAttr(GC type) { 2100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(type); 2110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall setObjCGCAttr(type); 2120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasAddressSpace() const { return Mask & AddressSpaceMask; } 2150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAddressSpace() const { return Mask >> AddressSpaceShift; } 2160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setAddressSpace(unsigned space) { 2170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(space <= MaxAddressSpace); 2180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~AddressSpaceMask) 2190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall | (((uint32_t) space) << AddressSpaceShift); 2200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeAddressSpace() { setAddressSpace(0); } 2220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addAddressSpace(unsigned space) { 2230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(space); 2240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall setAddressSpace(space); 2250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast qualifiers are those that can be allocated directly 2280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // on a QualType object. 2290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasFastQualifiers() const { return getFastQualifiers(); } 2300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getFastQualifiers() const { return Mask & FastMask; } 2310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void setFastQualifiers(unsigned mask) { 2320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask = (Mask & ~FastMask) | mask; 2340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers(unsigned mask) { 2360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask &= ~mask; 2380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void removeFastQualifiers() { 2400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall removeFastQualifiers(FastMask); 2410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned mask) { 2430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); 2440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= mask; 2450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// hasNonFastQualifiers - Return true if the set contains any 2480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// qualifiers which require an ExtQuals node to be allocated. 2490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasNonFastQualifiers() const { return Mask & ~FastMask; } 2500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getNonFastQualifiers() const { 2510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals = *this; 2520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.setFastQualifiers(0); 2530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Quals; 2540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// hasQualifiers - Return true if the set contains any qualifiers. 2570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasQualifiers() const { return Mask; } 2580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool empty() const { return !Mask; } 2590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// \brief Add the qualifiers from the given set to this set. 2610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addQualifiers(Qualifiers Q) { 2620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the other set doesn't have any non-boolean qualifiers, just 2630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // bit-or it in. 2640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!(Q.Mask & ~CVRMask)) 2650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= Q.Mask; 2660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall else { 2670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Mask |= (Q.Mask & CVRMask); 2680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Q.hasAddressSpace()) 2690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addAddressSpace(Q.getAddressSpace()); 2700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Q.hasObjCGCAttr()) 2710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addObjCGCAttr(Q.getObjCGCAttr()); 2720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 275b87786f045d798b070980c108c922e1475d27b15Douglas Gregor bool isSupersetOf(Qualifiers Other) const; 276b87786f045d798b070980c108c922e1475d27b15Douglas Gregor 2770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator==(Qualifiers Other) const { return Mask == Other.Mask; } 2780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool operator!=(Qualifiers Other) const { return Mask != Other.Mask; } 2790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall operator bool() const { return hasQualifiers(); } 2810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers &operator+=(Qualifiers R) { 2830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addQualifiers(R); 2840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return *this; 2850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Union two qualifier sets. If an enumerated qualifier appears 2880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // in both sets, use the one from the right. 2890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend Qualifiers operator+(Qualifiers L, Qualifiers R) { 2900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall L += R; 2910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return L; 2920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 2933cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor 2943cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor Qualifiers &operator-=(Qualifiers R) { 2953cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor Mask = Mask & ~(R.Mask); 2963cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor return *this; 2973cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor } 2980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 2993cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor /// \brief Compute the difference between two qualifier sets. 3003cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor friend Qualifiers operator-(Qualifiers L, Qualifiers R) { 3013cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor L -= R; 3023cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor return L; 3033cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor } 3043cdee121daa13403335094ce0e181b9911c2124cDouglas Gregor 3050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string getAsString() const; 3060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string getAsString(const PrintingPolicy &Policy) const { 3070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall std::string Buffer; 3080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getAsStringInternal(Buffer, Policy); 3090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Buffer; 3100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void getAsStringInternal(std::string &S, const PrintingPolicy &Policy) const; 3120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) const { 3140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ID.AddInteger(Mask); 3150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3170953e767ff7817f97b3ab20896b229891eeff45bJohn McCallprivate: 3180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // bits: |0 1 2|3 .. 4|5 .. 31| 3200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // |C R V|GCAttr|AddrSpace| 3210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall uint32_t Mask; 3220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrMask = 0x18; 3240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t GCAttrShift = 3; 3250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t AddressSpaceMask = ~(CVRMask | GCAttrMask); 3260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static const uint32_t AddressSpaceShift = 5; 3270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 3280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33055270e4bde91bd30d16086ae71f0f65caf3b8a51Douglas Gregor/// ExtQuals - We can encode up to four bits in the low bits of a 3310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// type pointer, but there are many more type qualifiers that we want 3320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// to be able to apply to an arbitrary type. Therefore we have this 3330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// struct, intended to be heap-allocated and used by QualType to 3340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// store qualifiers. 3350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 33655270e4bde91bd30d16086ae71f0f65caf3b8a51Douglas Gregor/// The current design tags the 'const', 'restrict', and 'volatile' qualifiers 33755270e4bde91bd30d16086ae71f0f65caf3b8a51Douglas Gregor/// in three low bits on the QualType pointer; a fourth bit records whether 33855270e4bde91bd30d16086ae71f0f65caf3b8a51Douglas Gregor/// the pointer is an ExtQuals node. The extended qualifiers (address spaces, 33955270e4bde91bd30d16086ae71f0f65caf3b8a51Douglas Gregor/// Objective-C GC attributes) are much more rare. 3400953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass ExtQuals : public llvm::FoldingSetNode { 3410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // NOTE: changing the fast qualifiers should be straightforward as 3420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // long as you don't make 'const' non-fast. 3430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // 1. Qualifiers: 3440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // a) Modify the bitmasks (Qualifiers::TQ and DeclSpec::TQ). 3450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast qualifiers must occupy the low-order bits. 3460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // b) Update Qualifiers::FastWidth and FastMask. 3470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // 2. QualType: 3480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // a) Update is{Volatile,Restrict}Qualified(), defined inline. 3490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // b) Update remove{Volatile,Restrict}, defined near the end of 3500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this header. 3510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // 3. ASTContext: 3520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // a) Update get{Volatile,Restrict}Type. 3530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// BaseType - the underlying type that this qualifies 3550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *BaseType; 3560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Quals - the immutable set of qualifiers applied by this 3580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// node; always contains extended qualifiers. 3590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals; 3600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3610953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 36249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall ExtQuals(const Type *Base, Qualifiers Quals) : BaseType(Base), Quals(Quals) 3630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall { 3640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(Quals.hasNonFastQualifiers() 3650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "ExtQuals created with no fast qualifiers"); 3660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasFastQualifiers() 3670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "ExtQuals created with fast qualifiers"); 3680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getQualifiers() const { return Quals; } 3710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasObjCGCAttr() const { return Quals.hasObjCGCAttr(); } 3730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC getObjCGCAttr() const { return Quals.getObjCGCAttr(); } 3740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall bool hasAddressSpace() const { return Quals.hasAddressSpace(); } 3760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned getAddressSpace() const { return Quals.getAddressSpace(); } 3770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *getBaseType() const { return BaseType; } 3791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3800953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 3810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void Profile(llvm::FoldingSetNodeID &ID) const { 3820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Profile(ID, getBaseType(), Quals); 3830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, 3850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *BaseType, 3860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals) { 3870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasFastQualifiers() && "fast qualifiers in ExtQuals hash!"); 3880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ID.AddPointer(BaseType); 3890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.Profile(ID); 3900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 3910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 3920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 393ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor/// CallingConv - Specifies the calling convention that a function uses. 394ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregorenum CallingConv { 395ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_Default, 396ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_C, // __attribute__((cdecl)) 397ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor CC_X86StdCall, // __attribute__((stdcall)) 398f813a2c03fcb05381b3252010435f557eb6b3cdeDouglas Gregor CC_X86FastCall, // __attribute__((fastcall)) 39952fc314e1b5e1baee6305067cf831763d02bd243Dawn Perchik CC_X86ThisCall, // __attribute__((thiscall)) 40052fc314e1b5e1baee6305067cf831763d02bd243Dawn Perchik CC_X86Pascal // __attribute__((pascal)) 401ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor}; 402ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 40349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCalltypedef std::pair<const Type*, Qualifiers> SplitQualType; 4040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// QualType - For efficiency, we don't store CV-qualified types as nodes on 4060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// their own: instead each reference to a type stores the qualifiers. This 4070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// greatly reduces the number of nodes we need to allocate for types (for 4080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// example we only need one for 'int', 'const int', 'volatile int', 4090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 'const volatile int', etc). 4100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 4110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// As an added efficiency bonus, instead of making this a pair, we 4120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// just store the two bits we care about in the low bits of the 4130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// pointer. To handle the packing/unpacking, we make QualType be a 4140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// simple wrapper class that acts like a smart pointer. A third bit 4150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// indicates whether there are extended qualifiers present, in which 4160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// case the pointer points to a special structure. 4170953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualType { 4180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Thankfully, these are efficiently composable. 4190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::PointerIntPair<llvm::PointerUnion<const Type*,const ExtQuals*>, 4200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::FastWidth> Value; 4210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *getExtQualsUnsafe() const { 4230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const ExtQuals*>(); 4240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 4260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *getTypePtrUnsafe() const { 4270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().get<const Type*>(); 4280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 430fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor QualType getUnqualifiedTypeSlow() const; 431fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 4320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall friend class QualifierCollector; 4330953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 4345cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType() {} 4351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4365cf243a883872441d73ca49cea7e20de5802629bChris Lattner QualType(const Type *Ptr, unsigned Quals) 4370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 4380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType(const ExtQuals *Ptr, unsigned Quals) 4390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall : Value(Ptr, Quals) {} 4400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 441a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalFastQualifiers() const { return Value.getInt(); } 442a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor void setLocalFastQualifiers(unsigned Quals) { Value.setInt(Quals); } 4435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Retrieves a pointer to the underlying (unqualified) type. 4450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// This should really return a const Type, but it's not worth 4460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// changing all the users right now. 4470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Type *getTypePtr() const { 448a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) 4490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return const_cast<Type*>(getExtQualsUnsafe()->getBaseType()); 4500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return const_cast<Type*>(getTypePtrUnsafe()); 4510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 4521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall /// Divides a QualType into its unqualified type and a set of local 45449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall /// qualifiers. 45549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall SplitQualType split() const { 45649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall if (!hasLocalNonFastQualifiers()) 45749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return SplitQualType(getTypePtrUnsafe(), 45849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall Qualifiers::fromFastMask(getLocalFastQualifiers())); 45949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall 46049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const ExtQuals *eq = getExtQualsUnsafe(); 46149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall Qualifiers qs = eq->getQualifiers(); 46249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall qs.addFastQualifiers(getLocalFastQualifiers()); 46349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return SplitQualType(eq->getBaseType(), qs); 46449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 46549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall 4665cf243a883872441d73ca49cea7e20de5802629bChris Lattner void *getAsOpaquePtr() const { return Value.getOpaqueValue(); } 4675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static QualType getFromOpaquePtr(void *Ptr) { 4685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType T; 4695cf243a883872441d73ca49cea7e20de5802629bChris Lattner T.Value.setFromOpaqueValue(Ptr); 4705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T; 4715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type &operator*() const { 4745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return *getTypePtr(); 4755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *operator->() const { 4785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getTypePtr(); 4795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 481467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonical() const; 48254e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isCanonicalAsParam() const; 483467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 4845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isNull - Return true if this QualType doesn't point to a type yet. 4855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isNull() const { 4860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Value.getPointer().isNull(); 4875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 489a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 490a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "const" qualifier set, without looking through typedefs that may have 491a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "const" at a different level. 492a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalConstQualified() const { 493a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Const); 4940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 495a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 496a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is const-qualified. 497fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isConstQualified() const; 498a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 499a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 500a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "restrict" qualifier set, without looking through typedefs that may have 501a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "restrict" at a different level. 502a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalRestrictQualified() const { 503a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return (getLocalFastQualifiers() & Qualifiers::Restrict); 504a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor } 505a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 506a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is restrict-qualified. 507fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isRestrictQualified() const; 508a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 509a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has the 510a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "volatile" qualifier set, without looking through typedefs that may have 511a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// added "volatile" at a different level. 512a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool isLocalVolatileQualified() const { 513f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor return (getLocalFastQualifiers() & Qualifiers::Volatile); 5145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 5150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 516a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type is volatile-qualified. 517fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool isVolatileQualified() const; 518a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 519a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 520a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers, without looking through any typedefs that might add 521a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// qualifiers at a different level. 522a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalQualifiers() const { 523a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return getLocalFastQualifiers() || hasLocalNonFastQualifiers(); 5240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 526a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this type has any qualifiers. 527fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor bool hasQualifiers() const; 528a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 529a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Determine whether this particular QualType instance has any 530a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// "non-fast" qualifiers, e.g., those that are stored in an ExtQualType 531a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance. 532a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor bool hasLocalNonFastQualifiers() const { 533a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return Value.getPointer().is<const ExtQuals*>(); 5340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 536a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers local to this particular QualType 537a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// instance, not including any qualifiers acquired through typedefs or 538a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// other sugar. 539a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers getLocalQualifiers() const { 5400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers Quals; 541a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) 5420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals = getExtQualsUnsafe()->getQualifiers(); 543a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Quals.addFastQualifiers(getLocalFastQualifiers()); 5440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Quals; 5450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 547a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of qualifiers applied to this type. 548fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Qualifiers getQualifiers() const; 549a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 550a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 551a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// local to this particular QualType instance, not including any qualifiers 552a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// acquired through typedefs or other sugar. 553a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor unsigned getLocalCVRQualifiers() const { 554f7616b9067790757f4e12e834b216c53c8c04ebeDouglas Gregor return getLocalFastQualifiers(); 5555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 556b381aac9bae6d608c72267dd0ed08ec6369e94e4Nuno Lopes 557a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 558a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// applied to this type. 559fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor unsigned getCVRQualifiers() const; 560e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 561e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth /// \brief Retrieve the set of CVR (const-volatile-restrict) qualifiers 562e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth /// applied to this type, looking through any number of unqualified array 563e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth /// types to their element types' qualifiers. 564e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned getCVRQualifiersThroughArrayTypes() const; 565e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 566bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isConstant(ASTContext& Ctx) const { 567bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return QualType::isConstant(*this, Ctx); 568bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 5691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Don't promise in the API that anything besides 'const' can be 5710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // easily added. 5720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// addConst - add the specified type qualifier to this QualType. 5740953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addConst() { 5750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addFastQualifiers(Qualifiers::Const); 5760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withConst() const { 5780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return withFastQualifiers(Qualifiers::Const); 5790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 5810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void addFastQualifiers(unsigned TQs) { 5820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(TQs & ~Qualifiers::FastMask) 5830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall && "non-fast qualifier bits set in mask!"); 5840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() | TQs); 5850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 58749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalConst(); 58849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalVolatile(); 58949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalRestrict(); 59049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalCVRQualifiers(unsigned Mask); 5910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 59249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalFastQualifiers() { Value.setInt(0); } 59349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall void removeLocalFastQualifiers(unsigned Mask) { 5940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!(Mask & ~Qualifiers::FastMask) && "mask has non-fast qualifiers"); 5950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Value.setInt(Value.getInt() & ~Mask); 5960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 5975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 5980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with the given qualifiers in addition to any 5990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualifiers already on this type. 6000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType withFastQualifiers(unsigned TQs) const { 6010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 6020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall T.addFastQualifiers(TQs); 6030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 6040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 6051c6a38bcea17801e9a4738753aee845381af2b6cSanjiv Gupta 6060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Creates a type with exactly the given fast qualifiers, removing 6070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // any existing fast qualifiers. 60849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType withExactLocalFastQualifiers(unsigned TQs) const { 60949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return withoutLocalFastQualifiers().withFastQualifiers(TQs); 6105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 6120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Removes fast qualifiers, but leaves any extended qualifiers in place. 61349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType withoutLocalFastQualifiers() const { 6140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = *this; 61549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall T.removeLocalFastQualifiers(); 6160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 617c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 618971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis 619a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Return this type with all of the instance-specific qualifiers 620a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// removed, but without removing any qualifiers that may have been applied 621a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// through typedefs. 622a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor QualType getLocalUnqualifiedType() const { return QualType(getTypePtr(), 0); } 6231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 624a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// \brief Return the unqualified form of the given type, which might be 625a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor /// desugared to eliminate qualifiers introduced via typedefs. 626fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor QualType getUnqualifiedType() const { 627fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor QualType T = getLocalUnqualifiedType(); 628fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor if (!T.hasQualifiers()) 629fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return T; 630fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 631fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return getUnqualifiedTypeSlow(); 632a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor } 633a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor 634e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isMoreQualifiedThan(QualType Other) const; 635e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor bool isAtLeastAsQualifiedAs(QualType Other) const; 636e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor QualType getNonReferenceType() const; 6371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6386398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// \brief Determine the type of a (typically non-lvalue) expression with the 6396398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// specified result type. 6405291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// 6416398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// This routine should be used for expressions for which the return type is 6426398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// explicitly specified (e.g., in a cast or call) and isn't necessarily 6436398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor /// an lvalue. It removes a top-level reference (since there are no 6445291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// expressions of reference type) and deletes top-level cvr-qualifiers 6455291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// from non-class types (in C++) or all types (in C). 6466398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor QualType getNonLValueExprType(ASTContext &Context) const; 6475291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 6482fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// getDesugaredType - Return the specified type with any "sugar" removed from 6492fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type. This takes off typedefs, typeof's etc. If the outer level of 6502fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// the type is already concrete, it returns it unmodified. This is similar 6512fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// to getting the canonical type, but it doesn't remove *all* typedefs. For 6522fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// example, it returns "T*" as "T*", (not as "int*"), because the pointer is 6532fa8c2598c2615da4639b4e42e9079647bd3aea4Chris Lattner /// concrete. 6540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// 6550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Qualifiers are left in place. 65649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType getDesugaredType(ASTContext &Context) const { 65749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getDesugaredType(*this, Context); 65849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 65949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall 66049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall SplitQualType getSplitDesugaredType() const { 66149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getSplitDesugaredType(*this); 662bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall } 66398cd599ee8a9b259ed7388ee2921a20d97658864Douglas Gregor 664075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara /// IgnoreParens - Returns the specified type after dropping any 665075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara /// outer-level parentheses. 666075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType IgnoreParens() const { 667075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType::IgnoreParens(*this); 668075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 669075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 6705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// operator==/!= - Indicate whether the specified types and qualifiers are 6715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// identical. 67250d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator==(const QualType &LHS, const QualType &RHS) { 67350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value == RHS.Value; 6745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 67550d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor friend bool operator!=(const QualType &LHS, const QualType &RHS) { 67650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return LHS.Value != RHS.Value; 6775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 67849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall std::string getAsString() const { 67949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsString(split()); 68049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 68149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static std::string getAsString(SplitQualType split) { 68249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsString(split.first, split.second); 68349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 68449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static std::string getAsString(const Type *ty, Qualifiers qs); 685d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor 686d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor std::string getAsString(const PrintingPolicy &Policy) const { 6875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer std::string S; 688d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor getAsStringInternal(S, Policy); 6895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return S; 6905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 691e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner void getAsStringInternal(std::string &Str, 69249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &Policy) const { 69349f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsStringInternal(split(), Str, Policy); 69449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 69549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static void getAsStringInternal(SplitQualType split, std::string &out, 69649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &policy) { 69749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return getAsStringInternal(split.first, split.second, out, policy); 69849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall } 69949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static void getAsStringInternal(const Type *ty, Qualifiers qs, 70049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall std::string &out, 70149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const PrintingPolicy &policy); 7021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 703c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump(const char *s) const; 704c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 7051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7063f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) const { 7073f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek ID.AddPointer(getAsOpaquePtr()); 7083f2dcb1ca8bd2d5d3ccc5c80f4ab06f949d88a89Ted Kremenek } 7095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 710ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// getAddressSpace - Return the address space of this type. 711ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb inline unsigned getAddressSpace() const; 7121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 713d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian /// GCAttrTypesAttr - Returns gc attribute of this type. 7140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall inline Qualifiers::GC getObjCGCAttr() const; 715f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 716f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCWeak true when Type is objc's weak. 717f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCWeak() const { 7180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Weak; 719f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 720f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian 721f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian /// isObjCGCStrong true when Type is objc's strong. 722f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian bool isObjCGCStrong() const { 7230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getObjCGCAttr() == Qualifiers::Strong; 724f6123ca578eb8aabb76ecce7df6857482017f502Fariborz Jahanian } 7252455636163fdd18581d7fdae816433f886d88213Mike Stump 726bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCallprivate: 727bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // These methods are implemented in a separate translation unit; 728bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // "static"-ize them to avoid creating temporary QualTypes in the 729bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall // caller. 730bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall static bool isConstant(QualType T, ASTContext& Ctx); 73149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static QualType getDesugaredType(QualType T, ASTContext &Context); 73249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall static SplitQualType getSplitDesugaredType(QualType T); 733075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static QualType IgnoreParens(QualType T); 7345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end clang. 7375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace llvm { 7395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Implement simplify_type for QualType, so that we can dyn_cast from QualType 7405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// to a specific Type class. 7415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type<const ::clang::QualType> { 7425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef ::clang::Type* SimpleType; 7435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static SimpleType getSimplifiedValue(const ::clang::QualType &Val) { 7445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return Val.getTypePtr(); 7455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 7465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 7475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencertemplate<> struct simplify_type< ::clang::QualType> 7485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer : public simplify_type<const ::clang::QualType> {}; 7491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7504e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner// Teach SmallPtrSet that QualType is "basically a pointer". 7514e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnertemplate<> 752daae940507f2e93c6fa12e8062fa958e34cc2d1cChris Lattnerclass PointerLikeTypeTraits<clang::QualType> { 7534e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattnerpublic: 7544e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline void *getAsVoidPointer(clang::QualType P) { 7554e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return P.getAsOpaquePtr(); 7564e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 7574e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner static inline clang::QualType getFromVoidPointer(void *P) { 7584e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner return clang::QualType::getFromOpaquePtr(P); 7594e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner } 7600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Various qualifiers go in low bits. 7610eda3b31a672ea486fa92b9bc49a2c91be856b53Chris Lattner enum { NumLowBitsAvailable = 0 }; 7624e7072872e8e2ed76a4c6933424bffa253896e7eChris Lattner}; 7631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 76473af669633e13c813f80cd15ecf3e6414778aee4Ted Kremenek} // end namespace llvm 7655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 7675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 7685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Type - This is the base class of the type hierarchy. A central concept 7695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// with types is that each type always has a canonical type. A canonical type 7705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is the type with any typedef names stripped out of it or the types it 7715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// references. For example, consider: 7725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef int foo; 7745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// typedef foo* bar; 7755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int *' 'foo *' 'bar' 7765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// There will be a Type object created for 'int'. Since int is canonical, its 7785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonicaltype pointer points to itself. There is also a Type for 'foo' (a 77972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypedefType). Its CanonicalType pointer points to the 'int' Type. Next 7805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// there is a PointerType that represents 'int*', which, like 'int', is 7815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// canonical. Finally, there is a PointerType type for 'foo*' whose canonical 78272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// type is 'int*', and there is a TypedefType for 'bar', whose canonical type 7835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// is also 'int*'. 7845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Non-canonical types are useful for emitting diagnostics, without losing 7865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// information about typedefs being used. Canonical types are useful for type 7875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// comparisons (they allow by-pointer equality tests) and useful for reasoning 7885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// about whether something has a particular form (e.g. is a function type), 7895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// because they implicitly, recursively, strip all typedefs out of a type. 7905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// Types, once created, are immutable. 7925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 7935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass Type { 7945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 7955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum TypeClass { 79672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) Class, 79727935ee59c30b0d8b610ab676aab8e65350af932John McCall#define LAST_TYPE(Class) TypeLast = Class, 79872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 79972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 80072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor TagFirst = Record, TagLast = Enum 8015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 8021bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 8035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 804c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Type(const Type&); // DO NOT IMPLEMENT. 805c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void operator=(const Type&); // DO NOT IMPLEMENT. 806c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 8075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType CanonicalType; 8085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 809b870b88df784c2940efce448ebfaf54dece14666John McCall /// Bitfields required by the Type class. 810b870b88df784c2940efce448ebfaf54dece14666John McCall class TypeBitfields { 811b870b88df784c2940efce448ebfaf54dece14666John McCall friend class Type; 812b7b2688bab0eac053d3e2938b329c8e523fd252bJohn McCall template <class T> friend class TypePropertyCache; 81327935ee59c30b0d8b610ab676aab8e65350af932John McCall 814b870b88df784c2940efce448ebfaf54dece14666John McCall /// TypeClass bitfield - Enum that specifies what subclass this belongs to. 815b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned TC : 8; 816b870b88df784c2940efce448ebfaf54dece14666John McCall 817b870b88df784c2940efce448ebfaf54dece14666John McCall /// Dependent - Whether this type is a dependent type (C++ [temp.dep.type]). 818b870b88df784c2940efce448ebfaf54dece14666John McCall /// Note that this should stay at the end of the ivars for Type so that 819b870b88df784c2940efce448ebfaf54dece14666John McCall /// subclasses can pack their bitfields into the same word. 820bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned Dependent : 1; 82160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 822b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Whether this type is a variably-modified type (C99 6.7.5). 823bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned VariablyModified : 1; 82435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 8251fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Nonzero if the cache (i.e. the bitfields here starting 8261fb0caaa7bef765b85972274e3b434af2572c141John McCall /// with 'Cache') is valid. If so, then this is a 8271fb0caaa7bef765b85972274e3b434af2572c141John McCall /// LangOptions::VisibilityMode+1. 8281fb0caaa7bef765b85972274e3b434af2572c141John McCall mutable unsigned CacheValidAndVisibility : 2; 82960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 830b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Linkage of this type. 831b870b88df784c2940efce448ebfaf54dece14666John McCall mutable unsigned CachedLinkage : 2; 83207a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 833b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief Whether this type involves and local or unnamed types. 834bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet mutable unsigned CachedLocalOrUnnamed : 1; 835db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor 836b870b88df784c2940efce448ebfaf54dece14666John McCall /// \brief FromAST - Whether this type comes from an AST file. 837bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet mutable unsigned FromAST : 1; 838b870b88df784c2940efce448ebfaf54dece14666John McCall 8391fb0caaa7bef765b85972274e3b434af2572c141John McCall bool isCacheValid() const { 8401fb0caaa7bef765b85972274e3b434af2572c141John McCall return (CacheValidAndVisibility != 0); 8411fb0caaa7bef765b85972274e3b434af2572c141John McCall } 8421fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility getVisibility() const { 8431fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 8441fb0caaa7bef765b85972274e3b434af2572c141John McCall return static_cast<Visibility>(CacheValidAndVisibility-1); 8451fb0caaa7bef765b85972274e3b434af2572c141John McCall } 8461fb0caaa7bef765b85972274e3b434af2572c141John McCall Linkage getLinkage() const { 8471fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 8481fb0caaa7bef765b85972274e3b434af2572c141John McCall return static_cast<Linkage>(CachedLinkage); 8491fb0caaa7bef765b85972274e3b434af2572c141John McCall } 8501fb0caaa7bef765b85972274e3b434af2572c141John McCall bool hasLocalOrUnnamedType() const { 8511fb0caaa7bef765b85972274e3b434af2572c141John McCall assert(isCacheValid() && "getting linkage from invalid cache"); 8521fb0caaa7bef765b85972274e3b434af2572c141John McCall return CachedLocalOrUnnamed; 8531fb0caaa7bef765b85972274e3b434af2572c141John McCall } 854b870b88df784c2940efce448ebfaf54dece14666John McCall }; 855b870b88df784c2940efce448ebfaf54dece14666John McCall enum { NumTypeBits = 16 }; 856b870b88df784c2940efce448ebfaf54dece14666John McCall 857b870b88df784c2940efce448ebfaf54dece14666John McCallprotected: 858b870b88df784c2940efce448ebfaf54dece14666John McCall // These classes allow subclasses to somewhat cleanly pack bitfields 859b870b88df784c2940efce448ebfaf54dece14666John McCall // into Type. 860b870b88df784c2940efce448ebfaf54dece14666John McCall 861b870b88df784c2940efce448ebfaf54dece14666John McCall class ArrayTypeBitfields { 862b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ArrayType; 863b870b88df784c2940efce448ebfaf54dece14666John McCall 864b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 865b870b88df784c2940efce448ebfaf54dece14666John McCall 866b870b88df784c2940efce448ebfaf54dece14666John McCall /// IndexTypeQuals - CVR qualifiers from declarations like 867b870b88df784c2940efce448ebfaf54dece14666John McCall /// 'int X[static restrict 4]'. For function parameters only. 868b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned IndexTypeQuals : 3; 869b870b88df784c2940efce448ebfaf54dece14666John McCall 870b870b88df784c2940efce448ebfaf54dece14666John McCall /// SizeModifier - storage class qualifiers from declarations like 871b870b88df784c2940efce448ebfaf54dece14666John McCall /// 'int X[static restrict 4]'. For function parameters only. 872b870b88df784c2940efce448ebfaf54dece14666John McCall /// Actually an ArrayType::ArraySizeModifier. 873b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned SizeModifier : 3; 874b870b88df784c2940efce448ebfaf54dece14666John McCall }; 875b870b88df784c2940efce448ebfaf54dece14666John McCall 876b870b88df784c2940efce448ebfaf54dece14666John McCall class BuiltinTypeBitfields { 877b870b88df784c2940efce448ebfaf54dece14666John McCall friend class BuiltinType; 878b870b88df784c2940efce448ebfaf54dece14666John McCall 879b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 880b870b88df784c2940efce448ebfaf54dece14666John McCall 881b870b88df784c2940efce448ebfaf54dece14666John McCall /// The kind (BuiltinType::Kind) of builtin type this is. 882b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned Kind : 8; 883b870b88df784c2940efce448ebfaf54dece14666John McCall }; 884b870b88df784c2940efce448ebfaf54dece14666John McCall 885b870b88df784c2940efce448ebfaf54dece14666John McCall class FunctionTypeBitfields { 886b870b88df784c2940efce448ebfaf54dece14666John McCall friend class FunctionType; 887b870b88df784c2940efce448ebfaf54dece14666John McCall 888b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 889b870b88df784c2940efce448ebfaf54dece14666John McCall 890b870b88df784c2940efce448ebfaf54dece14666John McCall /// Extra information which affects how the function is called, like 891b870b88df784c2940efce448ebfaf54dece14666John McCall /// regparm and the calling convention. 892b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned ExtInfo : 8; 893b870b88df784c2940efce448ebfaf54dece14666John McCall 894b870b88df784c2940efce448ebfaf54dece14666John McCall /// A bit to be used by the subclass. 895bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned SubclassInfo : 1; 896b870b88df784c2940efce448ebfaf54dece14666John McCall 897b870b88df784c2940efce448ebfaf54dece14666John McCall /// TypeQuals - Used only by FunctionProtoType, put here to pack with the 898b870b88df784c2940efce448ebfaf54dece14666John McCall /// other bitfields. 899b870b88df784c2940efce448ebfaf54dece14666John McCall /// The qualifiers are part of FunctionProtoType because... 900b870b88df784c2940efce448ebfaf54dece14666John McCall /// 901b870b88df784c2940efce448ebfaf54dece14666John McCall /// C++ 8.3.5p4: The return type, the parameter type list and the 902b870b88df784c2940efce448ebfaf54dece14666John McCall /// cv-qualifier-seq, [...], are part of the function type. 903b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned TypeQuals : 3; 904b870b88df784c2940efce448ebfaf54dece14666John McCall }; 905b870b88df784c2940efce448ebfaf54dece14666John McCall 906b870b88df784c2940efce448ebfaf54dece14666John McCall class ObjCObjectTypeBitfields { 907b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ObjCObjectType; 908b870b88df784c2940efce448ebfaf54dece14666John McCall 909b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 910b870b88df784c2940efce448ebfaf54dece14666John McCall 911b870b88df784c2940efce448ebfaf54dece14666John McCall /// NumProtocols - The number of protocols stored directly on this 912b870b88df784c2940efce448ebfaf54dece14666John McCall /// object type. 913b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned NumProtocols : 32 - NumTypeBits; 914b870b88df784c2940efce448ebfaf54dece14666John McCall }; 915b870b88df784c2940efce448ebfaf54dece14666John McCall 916b870b88df784c2940efce448ebfaf54dece14666John McCall class ReferenceTypeBitfields { 917b870b88df784c2940efce448ebfaf54dece14666John McCall friend class ReferenceType; 918b870b88df784c2940efce448ebfaf54dece14666John McCall 919b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 920b870b88df784c2940efce448ebfaf54dece14666John McCall 921b870b88df784c2940efce448ebfaf54dece14666John McCall /// True if the type was originally spelled with an lvalue sigil. 922b870b88df784c2940efce448ebfaf54dece14666John McCall /// This is never true of rvalue references but can also be false 923b870b88df784c2940efce448ebfaf54dece14666John McCall /// on lvalue references because of C++0x [dcl.typedef]p9, 924b870b88df784c2940efce448ebfaf54dece14666John McCall /// as follows: 925b870b88df784c2940efce448ebfaf54dece14666John McCall /// 926b870b88df784c2940efce448ebfaf54dece14666John McCall /// typedef int &ref; // lvalue, spelled lvalue 927b870b88df784c2940efce448ebfaf54dece14666John McCall /// typedef int &&rvref; // rvalue 928b870b88df784c2940efce448ebfaf54dece14666John McCall /// ref &a; // lvalue, inner ref, spelled lvalue 929b870b88df784c2940efce448ebfaf54dece14666John McCall /// ref &&a; // lvalue, inner ref 930b870b88df784c2940efce448ebfaf54dece14666John McCall /// rvref &a; // lvalue, inner ref, spelled lvalue 931b870b88df784c2940efce448ebfaf54dece14666John McCall /// rvref &&a; // rvalue, inner ref 932bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned SpelledAsLValue : 1; 933b870b88df784c2940efce448ebfaf54dece14666John McCall 934b870b88df784c2940efce448ebfaf54dece14666John McCall /// True if the inner type is a reference type. This only happens 935b870b88df784c2940efce448ebfaf54dece14666John McCall /// in non-canonical forms. 936bdb5b0e8ad8ed297ad01eb2ccd0d6d5ed6058033Francois Pichet unsigned InnerRef : 1; 937b870b88df784c2940efce448ebfaf54dece14666John McCall }; 938b870b88df784c2940efce448ebfaf54dece14666John McCall 93977be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall class TypeWithKeywordBitfields { 94077be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall friend class TypeWithKeyword; 94177be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 94277be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned : NumTypeBits; 94377be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 94477be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall /// An ElaboratedTypeKeyword. 8 bits for efficient access. 94577be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned Keyword : 8; 94677be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall }; 94777be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall 948b870b88df784c2940efce448ebfaf54dece14666John McCall class VectorTypeBitfields { 949b870b88df784c2940efce448ebfaf54dece14666John McCall friend class VectorType; 95007a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 951b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned : NumTypeBits; 95271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 953e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson /// VecKind - The kind of vector, either a generic vector type or some 954e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson /// target-specific vector type such as for AltiVec or Neon. 955cc3b946c35c4372272034e6f0663089477a9a5bdBob Wilson unsigned VecKind : 3; 956b870b88df784c2940efce448ebfaf54dece14666John McCall 957b870b88df784c2940efce448ebfaf54dece14666John McCall /// NumElements - The number of elements in the vector. 958cc3b946c35c4372272034e6f0663089477a9a5bdBob Wilson unsigned NumElements : 29 - NumTypeBits; 959b870b88df784c2940efce448ebfaf54dece14666John McCall }; 960b870b88df784c2940efce448ebfaf54dece14666John McCall 961b870b88df784c2940efce448ebfaf54dece14666John McCall union { 962b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBitfields TypeBits; 963b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBitfields ArrayTypeBits; 964b870b88df784c2940efce448ebfaf54dece14666John McCall BuiltinTypeBitfields BuiltinTypeBits; 965b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBitfields FunctionTypeBits; 966b870b88df784c2940efce448ebfaf54dece14666John McCall ObjCObjectTypeBitfields ObjCObjectTypeBits; 967b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBitfields ReferenceTypeBits; 96877be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall TypeWithKeywordBitfields TypeWithKeywordBits; 969b870b88df784c2940efce448ebfaf54dece14666John McCall VectorTypeBitfields VectorTypeBits; 970b870b88df784c2940efce448ebfaf54dece14666John McCall }; 971b870b88df784c2940efce448ebfaf54dece14666John McCall 972b870b88df784c2940efce448ebfaf54dece14666John McCallprivate: 9733c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Set whether this type comes from an AST file. 9743c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl void setFromAST(bool V = true) const { 975b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.FromAST = V; 97607a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl } 97707a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 978b7b2688bab0eac053d3e2938b329c8e523fd252bJohn McCall template <class T> friend class TypePropertyCache; 9791fb0caaa7bef765b85972274e3b434af2572c141John McCall 9805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 981124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser // silence VC++ warning C4355: 'this' : used in base member initializer list 982124dd7b5777e29ecac006822bd4d4623f0dc4264Hartmut Kaiser Type *this_() { return this; } 98335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(TypeClass tc, QualType Canonical, bool Dependent, bool VariablyModified) 984b870b88df784c2940efce448ebfaf54dece14666John McCall : CanonicalType(Canonical.isNull() ? QualType(this_(), 0) : Canonical) { 985b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.TC = tc; 986b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.Dependent = Dependent; 987b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.VariablyModified = VariablyModified; 9881fb0caaa7bef765b85972274e3b434af2572c141John McCall TypeBits.CacheValidAndVisibility = 0; 989b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.CachedLocalOrUnnamed = false; 990b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.CachedLinkage = NoLinkage; 991b870b88df784c2940efce448ebfaf54dece14666John McCall TypeBits.FromAST = false; 992b870b88df784c2940efce448ebfaf54dece14666John McCall } 9935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; 9941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 995b870b88df784c2940efce448ebfaf54dece14666John McCall void setDependent(bool D = true) { TypeBits.Dependent = D; } 996b870b88df784c2940efce448ebfaf54dece14666John McCall void setVariablyModified(bool VM = true) { TypeBits.VariablyModified = VM; } 99735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 9988b9023ba35a86838789e2c9034a6128728c547aaChris Lattnerpublic: 999b870b88df784c2940efce448ebfaf54dece14666John McCall TypeClass getTypeClass() const { return static_cast<TypeClass>(TypeBits.TC); } 10001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10013c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl /// \brief Whether this type comes from an AST file. 1002b870b88df784c2940efce448ebfaf54dece14666John McCall bool isFromAST() const { return TypeBits.FromAST; } 100307a353c2af3a3c557205466d4f4ed2513462ebfeSebastian Redl 1004467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall bool isCanonicalUnqualified() const { 1005467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall return CanonicalType.getTypePtr() == this; 1006467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall } 10075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// Types are partitioned into 3 broad categories (C99 6.2.5p1): 10095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// object types, function types, and incomplete types. 10101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isIncompleteType - Return true if this is an incomplete type. 10125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// A type that can describe objects, but which lacks information needed to 10135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// determine its size (e.g. void, or a fwd declared struct). Clients of this 10141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// routine will need to determine if the size is actually required. 10155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIncompleteType() const; 1016d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner 1017d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// isIncompleteOrObjectType - Return true if this is an incomplete or object 1018d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner /// type, in other words, not a function type. 1019d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner bool isIncompleteOrObjectType() const { 1020d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner return !isFunctionType(); 1021d805bec0fbb98aa10abbb41bfdcb2e2fab1bac96Chris Lattner } 102264b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 102364b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl /// isPODType - Return true if this is a plain-old-data type (C++ 3.9p10). 102464b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl bool isPODType() const; 102564b45f7e0d3167f040841ac2920aead7f080730dSebastian Redl 1026ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// isLiteralType - Return true if this is a literal type 1027ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl /// (C++0x [basic.types]p10) 1028ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl bool isLiteralType() const; 1029ccf43505dbc47da041c06125f90b3bd3ac7eac97Sebastian Redl 10305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Helper methods to distinguish type categories. All type predicates 1031ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb /// operate on the canonical type, ignoring typedefs and qualifiers. 1032e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 10339b065ddabf572772991a4aadad5bf4921fac5069Tom Care /// isBuiltinType - returns true if the type is a builtin type. 10349b065ddabf572772991a4aadad5bf4921fac5069Tom Care bool isBuiltinType() const; 10359b065ddabf572772991a4aadad5bf4921fac5069Tom Care 1036e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar /// isSpecificBuiltinType - Test for a particular builtin type. 1037e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar bool isSpecificBuiltinType(unsigned K) const; 10381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10392a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// isPlaceholderType - Test for a type which does not represent an 10402a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// actual type-system type but is instead used as a placeholder for 10412a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// various convenient purposes within Clang. All such types are 10422a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// BuiltinTypes. 10432a984cad5ac3fdceeff2bd99daa7b90979313475John McCall bool isPlaceholderType() const; 10442a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 104596d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isIntegerType() does *not* include complex integers (a GCC extension). 104696d2c438f5c9ada8229f7f2ac049d2e9957bc954Steve Naroff /// isComplexIntegerType() can be used to test for complex integers. 10475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isIntegerType() const; // C99 6.2.5p17 (int, char, bool, enum) 104813b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isEnumeralType() const; 104913b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isBooleanType() const; 105013b7c5ff42d6077a8d59e2c9ec9e7fedd0150ae6Steve Naroff bool isCharType() const; 105177a52233f7c0f162672652051bfe78b65ad4f789Douglas Gregor bool isWideCharType() const; 105220093b4bf698f292c664676987541d5103b65b15Douglas Gregor bool isAnyCharacterType() const; 10539d3347a5887d2d25afe8b0bd35783a72ec86cce2Douglas Gregor bool isIntegralType(ASTContext &Ctx) const; 105420093b4bf698f292c664676987541d5103b65b15Douglas Gregor 10552ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor /// \brief Determine whether this type is an integral or enumeration type. 10562ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor bool isIntegralOrEnumerationType() const; 10571274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor /// \brief Determine whether this type is an integral or unscoped enumeration 10581274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor /// type. 10591274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor bool isIntegralOrUnscopedEnumerationType() const; 10602ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor 10615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Floating point categories. 10625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealFloatingType() const; // C99 6.2.5p10 (float, double, long double) 106302f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexType() does *not* include complex integers (a GCC extension). 106402f62a9fedbc370fba081303399410a3afdde29fSteve Naroff /// isComplexIntegerType() can be used to test for complex integers. 10655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isComplexType() const; // C99 6.2.5p11 (complex) 1066f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner bool isAnyComplexType() const; // C99 6.2.5p11 (complex) + Complex Int. 10675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isFloatingType() const; // C99 6.2.5p11 (real floating + complex) 10685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isRealType() const; // C99 6.2.5p17 (real floating + integer) 10695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isArithmeticType() const; // C99 6.2.5p18 (integer + floating) 1070c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isVoidType() const; // C99 6.2.5p19 1071c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isDerivedType() const; // C99 6.2.5p20 1072c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isScalarType() const; // C99 6.2.5p21 (arithmetic + pointers) 1073d7eb846aaf5ee4a8d22c3cd0796d1e7229d46013Douglas Gregor bool isAggregateType() const; 10741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1075c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Predicates: Check to see if this type is structurally the specified 1076ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb // type, ignoring typedefs and qualifiers. 1077c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isFunctionType() const; 1078183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionNoProtoType() const { return getAs<FunctionNoProtoType>(); } 1079183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall bool isFunctionProtoType() const { return getAs<FunctionProtoType>(); } 1080befee48ff2a1dab236c5700f00ecca1cfdcd5837Chris Lattner bool isPointerType() const; 108158f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff bool isAnyPointerType() const; // Any C pointer or ObjC object pointer 10825618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff bool isBlockPointerType() const; 10837154a77e7c1f23418342d3b72836ab504aa7821eSteve Naroff bool isVoidPointerType() const; 1084a1d9fdea79ba7bbd71862b9f9f78f5f117331fc7Chris Lattner bool isReferenceType() const; 10857c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isLValueReferenceType() const; 10867c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl bool isRValueReferenceType() const; 1087bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner bool isFunctionPointerType() const; 1088f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberPointerType() const; 1089f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl bool isMemberFunctionPointerType() const; 1090db68e28c05a67735211e688009890cf834c22e75Douglas Gregor bool isMemberDataPointerType() const; 1091c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isArrayType() const; 1092c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isConstantArrayType() const; 1093c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isIncompleteArrayType() const; 1094c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner bool isVariableArrayType() const; 1095898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor bool isDependentSizedArrayType() const; 1096c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner bool isRecordType() const; 10971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isClassType() const; 10981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isStructureType() const; 1099fb87b89fc9eb103e19fb8e4b925c23f0bd091b99Douglas Gregor bool isStructureOrClassType() const; 11004cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff bool isUnionType() const; 1101368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isComplexIntegerType() const; // GCC _Complex integer type. 1102368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isVectorType() const; // GCC vector type. 1103213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman bool isExtVectorType() const; // Extended vector type. 1104d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff bool isObjCObjectPointerType() const; // Pointer to *any* ObjC object. 110514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // FIXME: change this to 'raw' interface type, so we can used 'interface' type 110614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for the common case. 1107c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCObjectType() const; // NSString or typeof(*(id)0) 1108368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedInterfaceType() const; // NSString<foo> 1109368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner bool isObjCQualifiedIdType() const; // id<foo> 1110470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const; // Class<foo> 1111569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor bool isObjCObjectOrInterfaceType() const; 111214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const; // id 111314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const; // Class 111413dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian bool isObjCSelType() const; // Class 1115de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff bool isObjCBuiltinType() const; // 'id' or 'Class' 111672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor bool isTemplateTypeParmType() const; // C++ template type parameter 11176e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl bool isNullPtrType() const; // C++0x nullptr_t 1118898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1119daa8e4e888758d55a7a759dd4a91b83921cef222John McCall enum ScalarTypeKind { 1120daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Pointer, 1121daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_MemberPointer, 1122daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Bool, 1123daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Integral, 1124daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_Floating, 1125daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_IntegralComplex, 1126daa8e4e888758d55a7a759dd4a91b83921cef222John McCall STK_FloatingComplex 1127daa8e4e888758d55a7a759dd4a91b83921cef222John McCall }; 1128daa8e4e888758d55a7a759dd4a91b83921cef222John McCall /// getScalarTypeKind - Given that this is a scalar type, classify it. 1129daa8e4e888758d55a7a759dd4a91b83921cef222John McCall ScalarTypeKind getScalarTypeKind() const; 1130daa8e4e888758d55a7a759dd4a91b83921cef222John McCall 1131898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// isDependentType - Whether this type is a dependent type, meaning 11321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// that its definition somehow depends on a template parameter 1133898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// (C++ [temp.dep.type]). 1134b870b88df784c2940efce448ebfaf54dece14666John McCall bool isDependentType() const { return TypeBits.Dependent; } 113535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 113635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /// \brief Whether this type is a variably-modified type (C99 6.7.5). 1137b870b88df784c2940efce448ebfaf54dece14666John McCall bool isVariablyModifiedType() const { return TypeBits.VariablyModified; } 113835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 1139db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor /// \brief Whether this type is or contains a local or unnamed type. 1140db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor bool hasUnnamedOrLocalType() const; 1141db4d4bb03df52920cf379797a7ff5c9900f938a6Douglas Gregor 1142063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor bool isOverloadableType() const; 114372c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 11444033642464e8ba0982f88f34cffad808d247b393Douglas Gregor /// \brief Determine wither this type is a C++ elaborated-type-specifier. 11454033642464e8ba0982f88f34cffad808d247b393Douglas Gregor bool isElaboratedTypeSpecifier() const; 11464033642464e8ba0982f88f34cffad808d247b393Douglas Gregor 11478958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// hasPointerRepresentation - Whether this type is represented 11488958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// natively as a pointer; this includes pointers, references, block 11498958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar /// pointers, and Objective-C interface, qualified id, and qualified 11506e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl /// interface types, as well as nullptr_t. 11518958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar bool hasPointerRepresentation() const; 11528958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 1153820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// hasObjCPointerRepresentation - Whether this type can represent 1154820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian /// an objective pointer type for the purpose of GC'ability 11551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool hasObjCPointerRepresentation() const; 1156820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 1157f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an integer representation 1158f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an integer type or a vector. 1159f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasIntegerRepresentation() const; 1160f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1161f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an signed integer representation 1162f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an signed integer type or a vector. 1163f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasSignedIntegerRepresentation() const; 1164f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1165f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// \brief Determine whether this type has an unsigned integer representation 1166f60946222721d9ba3c059563935c17b84703187aDouglas Gregor /// of some sort, e.g., it is an unsigned integer type or a vector. 1167f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool hasUnsignedIntegerRepresentation() const; 1168f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 11698eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// \brief Determine whether this type has a floating-point representation 11708eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor /// of some sort, e.g., it is a floating-point type or a vector thereof. 11718eee119bf4f1693dde17b8552c1f9f81bf2b681eDouglas Gregor bool hasFloatingRepresentation() const; 1172f60946222721d9ba3c059563935c17b84703187aDouglas Gregor 1173c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner // Type Checking Functions: Check to see if this type is structurally the 1174f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // specified type, ignoring typedefs and qualifiers, and return a pointer to 1175f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner // the best type we can. 1176769c9cfc6e06bd9d8ffe7a4397b939f19b0e4dc3Ted Kremenek const RecordType *getAsStructureType() const; 1177898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// NOTE: getAs*ArrayType are methods on ASTContext. 1178c8629630ce3e7f0da231bf10a4b39240caaac68aChris Lattner const RecordType *getAsUnionType() const; 11794cdec1c3ca80124024a787ce32833fd5b20cbb15Steve Naroff const ComplexType *getAsComplexIntegerType() const; // GCC complex int type. 118014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // The following is a convenience method that returns an ObjCObjectPointerType 118114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // for object declared using an interface. 118214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCInterfacePointerType() const; 118314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *getAsObjCQualifiedIdType() const; 1184c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getAsObjCQualifiedInterfaceType() const; 1185a91d6a6619a91d0ca7102d8ab5678d855f04d850Fariborz Jahanian const CXXRecordDecl *getCXXRecordDeclForPointerType() const; 11861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1187c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// \brief Retrieves the CXXRecordDecl that this type refers to, either 1188c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// because the type is a RecordType or because it is the injected-class-name 1189c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor /// type of a class template or class template partial specialization. 1190c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor CXXRecordDecl *getAsCXXRecordDecl() const; 1191c96be1ea33cdf63d07cec48d18fe8e3afea48f8dDouglas Gregor 1192fa78c91c54dd99ec61a9e27e6b74a549f5c9fa9cDan Gohman // Member-template getAs<specific type>'. Look through sugar for 1193fa78c91c54dd99ec61a9e27e6b74a549f5c9fa9cDan Gohman // an instance of <specific type>. This scheme will eventually 11941a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // replace the specific getAsXXXX methods above. 1195183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall // 1196183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall // There are some specializations of this member template listed 1197183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall // immediately following this class. 11981a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek template <typename T> const T *getAs() const; 11991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1200c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// getArrayElementTypeNoTypeQual - If this is an array type, return the 1201c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// element type of the array, potentially with type qualifiers missing. 1202c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner /// This method should never be used when type qualifiers are meaningful. 1203c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const Type *getArrayElementTypeNoTypeQual() const; 12041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1205f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// getPointeeType - If this is a pointer, ObjC object pointer, or block 1206f8910df57799256c1897a8610dc52685729ae90eSteve Naroff /// pointer, this returns the respective pointee. 120714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const; 12081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1209bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// getUnqualifiedDesugaredType() - Return the specified type with 1210bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// any "sugar" removed from the type, removing any typedefs, 1211bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// typeofs, etc., as well as any qualifiers. 1212bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall const Type *getUnqualifiedDesugaredType() const; 12131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// More type predicates useful for type checking/promotion 12155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isPromotableIntegerType() const; // C99 6.3.1.1p2 12165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isSignedIntegerType - Return true if this is an integer type that is 1218d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// signed, according to C99 6.2.5p4 [char, signed char, short, int, long..], 1219d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// an enum decl which has a signed representation, or a vector of signed 1220d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// integer element type. 12215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isSignedIntegerType() const; 12225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isUnsignedIntegerType - Return true if this is an integer type that is 1224d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// unsigned, according to C99 6.2.5p6 [which returns true for _Bool], an enum 1225d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// decl which has an unsigned representation, or a vector of unsigned integer 1226d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner /// element type. 12275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isUnsignedIntegerType() const; 1228d5bbce4382622feb4ca5978c4bb8fcceb7aaec00Chris Lattner 12295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isConstantSizeType - Return true if this is not a variable sized type, 12309bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// according to the rules of C99 6.7.5p3. It is not legal to call this on 12319bfa73c5ab7bf4b0e749d04f29da6884e8d5bd9fChris Lattner /// incomplete types. 12323c2b3170041f69a92904e3bab9b6d654eaf260acEli Friedman bool isConstantSizeType() const; 1233c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 123422b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// isSpecifierType - Returns true if this type can be represented by some 123522b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman /// set of type specifiers. 123622b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman bool isSpecifierType() const; 123722b61e937dcd8ba2e14764c367f975a392ec7da0Eli Friedman 12380b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor /// \brief Determine the linkage of this type. 123960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor Linkage getLinkage() const; 12401fb0caaa7bef765b85972274e3b434af2572c141John McCall 12411fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Determine the visibility of this type. 12421fb0caaa7bef765b85972274e3b434af2572c141John McCall Visibility getVisibility() const; 12431fb0caaa7bef765b85972274e3b434af2572c141John McCall 12441fb0caaa7bef765b85972274e3b434af2572c141John McCall /// \brief Determine the linkage and visibility of this type. 12451fb0caaa7bef765b85972274e3b434af2572c141John McCall std::pair<Linkage,Visibility> getLinkageAndVisibility() const; 124660e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 124760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor /// \brief Note that the linkage is no longer known. 124860e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor void ClearLinkageCache(); 124960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 125060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor const char *getTypeClassName() const; 12510b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1252ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall QualType getCanonicalTypeInternal() const { 1253ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall return CanonicalType; 1254ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall } 1255ead608af31b6c9abeae1ca6d0b75094dac4641c0John McCall CanQualType getCanonicalTypeUnqualified() const; // in CanonicalType.h 1256c36d405a02fab41f6c45cb2bc750d64949742903Chris Lattner void dump() const; 12575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *) { return true; } 1258be191100e034b23a3e13053757a57b7f5068c24aArgyrios Kyrtzidis 1259c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; 1260a4232eb646d89e7d52424bb42eb87d9061f39e63Sebastian Redl friend class ASTWriter; 12615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 12625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1263183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const TypedefType *Type::getAs() const { 1264183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall return dyn_cast<TypedefType>(this); 1265183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1266183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1267183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// We can do canonical leaf types faster, because we don't have to 1268183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall// worry about preserving child type decoration. 1269183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define TYPE(Class, Base) 1270183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#define LEAF_TYPE(Class) \ 1271183700f494ec9b6701b6efe82bcb25f4c79ba561John McCalltemplate <> inline const Class##Type *Type::getAs() const { \ 12720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return dyn_cast<Class##Type>(CanonicalType); \ 1273183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall} 1274183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall#include "clang/AST/TypeNodes.def" 1275183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 1276183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall 12775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// BuiltinType - This class is used for builtin types like 'int'. Builtin 12785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types are always canonical and have a literal name field. 12795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass BuiltinType : public Type { 12805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 12815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum Kind { 12825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Void, 12831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Bool, // This is bool and/or _Bool. 12855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_U, // This is 'char' for targets where char is unsigned. 12865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UChar, // This is explicitly qualified unsigned char. 1287f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16, // This is 'char16_t' for C++. 1288f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32, // This is 'char32_t' for C++. 12895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UShort, 12905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer UInt, 12915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULong, 12925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ULongLong, 12932df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner UInt128, // __uint128_t 12941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Char_S, // This is 'char' for targets where char is signed. 12965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SChar, // This is explicitly qualified signed char. 12972ff9b4c7c8fed9233a0b8de2e9507368c451aab6Argyrios Kyrtzidis WChar, // This is 'wchar_t' for C++. 12985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Short, 12995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Int, 13005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Long, 13015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongLong, 13022df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner Int128, // __int128_t 13031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13048e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor Float, Double, LongDouble, 13058e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 13066e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl NullPtr, // This is the type of C++0x 'nullptr'. 13076e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 13082a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// This represents the type of an expression whose type is 13092a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// totally unknown, e.g. 'T::foo'. It is permitted for this to 13102a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// appear in situations where the structure of the type is 13112a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// theoretically deducible. 13122a984cad5ac3fdceeff2bd99daa7b90979313475John McCall Dependent, 13132a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 1314898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Overload, // This represents the type of an overloaded function declaration. 13151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1316de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff UndeducedAuto, // In C++0x, this represents the type of an auto variable 1317e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson // that has not been deduced yet. 1318e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 1319e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The primitive Objective C 'id' type. The type pointed to by the 1320e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user-visible 'id' type. Only ever shows up in an AST as the base 1321e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type of an ObjCObjectType. 1322e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall ObjCId, 1323e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 1324e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The primitive Objective C 'Class' type. The type pointed to by the 1325e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user-visible 'Class' type. Only ever shows up in an AST as the 1326e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// base type of an ObjCObjectType. 1327e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall ObjCClass, 1328e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 132913dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSel // This represents the ObjC 'SEL' type. 13305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 133171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 13325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 13331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BuiltinType(Kind K) 133435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(Builtin, QualType(), /*Dependent=*/(K == Dependent), 133571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall /*VariablyModified=*/false) { 1336b870b88df784c2940efce448ebfaf54dece14666John McCall BuiltinTypeBits.Kind = K; 133771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 13381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1339b870b88df784c2940efce448ebfaf54dece14666John McCall Kind getKind() const { return static_cast<Kind>(BuiltinTypeBits.Kind); } 1340e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner const char *getName(const LangOptions &LO) const; 13411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1342bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1343bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1344bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1345680523a91dd3351389667c8de17121ba7ae82673John McCall bool isInteger() const { 134671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Bool && getKind() <= Int128; 1347680523a91dd3351389667c8de17121ba7ae82673John McCall } 1348680523a91dd3351389667c8de17121ba7ae82673John McCall 1349680523a91dd3351389667c8de17121ba7ae82673John McCall bool isSignedInteger() const { 135071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Char_S && getKind() <= Int128; 1351680523a91dd3351389667c8de17121ba7ae82673John McCall } 1352680523a91dd3351389667c8de17121ba7ae82673John McCall 1353680523a91dd3351389667c8de17121ba7ae82673John McCall bool isUnsignedInteger() const { 135471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Bool && getKind() <= UInt128; 1355680523a91dd3351389667c8de17121ba7ae82673John McCall } 1356680523a91dd3351389667c8de17121ba7ae82673John McCall 1357680523a91dd3351389667c8de17121ba7ae82673John McCall bool isFloatingPoint() const { 135871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() >= Float && getKind() <= LongDouble; 1359680523a91dd3351389667c8de17121ba7ae82673John McCall } 1360680523a91dd3351389667c8de17121ba7ae82673John McCall 13612a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// Determines whether this type is a "forbidden" placeholder type, 13622a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// i.e. a type which cannot appear in arbitrary positions in a 13632a984cad5ac3fdceeff2bd99daa7b90979313475John McCall /// fully-formed expression. 13642a984cad5ac3fdceeff2bd99daa7b90979313475John McCall bool isPlaceholderType() const { 136571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return getKind() == Overload || 136671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall getKind() == UndeducedAuto; 13672a984cad5ac3fdceeff2bd99daa7b90979313475John McCall } 13682a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 13695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Builtin; } 13705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const BuiltinType *) { return true; } 13715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 13725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ComplexType - C99 6.2.5p11 - Complex values. This supports the C99 complex 13745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// types (_Complex float etc) as well as the GCC integer complex extensions. 13755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 13765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass ComplexType : public Type, public llvm::FoldingSetNode { 13775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 13785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType(QualType Element, QualType CanonicalPtr) : 137935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Complex, CanonicalPtr, Element->isDependentType(), 138035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Element->isVariablyModifiedType()), 1381898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ElementType(Element) { 13825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 138460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 13855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 13865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 13871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1388bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1389bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1390bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 13915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 13925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getElementType()); 13935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Element) { 13955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Element.getAsOpaquePtr()); 13965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Complex; } 13995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ComplexType *) { return true; } 14005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 14015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1402075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara/// ParenType - Sugar for parentheses used when specifying types. 1403075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara/// 1404075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnaraclass ParenType : public Type, public llvm::FoldingSetNode { 1405075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType Inner; 1406075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1407075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType(QualType InnerType, QualType CanonType) : 1408075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Type(Paren, CanonType, InnerType->isDependentType(), 1409075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara InnerType->isVariablyModifiedType()), 1410075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Inner(InnerType) { 1411075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1412075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara friend class ASTContext; // ASTContext creates these. 1413075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1414075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnarapublic: 1415075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1416075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType getInnerType() const { return Inner; } 1417075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1418075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara bool isSugared() const { return true; } 1419075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType desugar() const { return getInnerType(); } 1420075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1421075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara void Profile(llvm::FoldingSetNodeID &ID) { 1422075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Profile(ID, getInnerType()); 1423075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1424075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static void Profile(llvm::FoldingSetNodeID &ID, QualType Inner) { 1425075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Inner.Profile(ID); 1426075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 1427075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 1428075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static bool classof(const Type *T) { return T->getTypeClass() == Paren; } 1429075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara static bool classof(const ParenType *) { return true; } 1430075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara}; 1431075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 143268694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar/// PointerType - C99 6.7.5.1 - Pointer Declarators. 1433bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner/// 143468694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass PointerType : public Type, public llvm::FoldingSetNode { 1435bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner QualType PointeeType; 14365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType(QualType Pointee, QualType CanonicalPtr) : 143835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Pointer, CanonicalPtr, Pointee->isDependentType(), 143935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Pointee->isVariablyModifiedType()), 144035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor PointeeType(Pointee) { 14415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 144360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 14445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 14451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 144668694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType getPointeeType() const { return PointeeType; } 144768694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 1448bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1449bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1450bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 14515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 14525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Profile(ID, getPointeeType()); 14535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 14555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Pointee.getAsOpaquePtr()); 14565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { return T->getTypeClass() == Pointer; } 14595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const PointerType *) { return true; } 14605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 14615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14625618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// BlockPointerType - pointer to a block type. 14635618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// This type is to represent types syntactically represented as 14645618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// "void (^)(int)", etc. Pointee is required to always be a function type. 14655618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// 14665618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffclass BlockPointerType : public Type, public llvm::FoldingSetNode { 14675618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType PointeeType; // Block is some kind of pointer type 14685618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType(QualType Pointee, QualType CanonicalCls) : 146935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(BlockPointer, CanonicalCls, Pointee->isDependentType(), 147035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Pointee->isVariablyModifiedType()), 1471898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor PointeeType(Pointee) { 14725618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 14735618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff friend class ASTContext; // ASTContext creates these. 147460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 14755618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffpublic: 14761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14775618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the pointee type. Pointee is required to always be a function type. 14785618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType getPointeeType() const { return PointeeType; } 14795618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 1480bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1481bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1482bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 14835618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 14845618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Profile(ID, getPointeeType()); 14855618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 14865618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee) { 14875618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff ID.AddPointer(Pointee.getAsOpaquePtr()); 14885618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 14891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 14911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == BlockPointer; 14925618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 14935618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff static bool classof(const BlockPointerType *) { return true; } 14945618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff}; 14955618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 14967c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// ReferenceType - Base for LValueReferenceType and RValueReferenceType 14975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 149868694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbarclass ReferenceType : public Type, public llvm::FoldingSetNode { 149968694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar QualType PointeeType; 150068694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 15017c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlprotected: 150254e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(TypeClass tc, QualType Referencee, QualType CanonicalRef, 150354e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 150435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(tc, CanonicalRef, Referencee->isDependentType(), 150571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Referencee->isVariablyModifiedType()), PointeeType(Referencee) { 1506b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBits.SpelledAsLValue = SpelledAsLValue; 1507b870b88df784c2940efce448ebfaf54dece14666John McCall ReferenceTypeBits.InnerRef = Referencee->isReferenceType(); 15085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 150960e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 15105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1511b870b88df784c2940efce448ebfaf54dece14666John McCall bool isSpelledAsLValue() const { return ReferenceTypeBits.SpelledAsLValue; } 1512b870b88df784c2940efce448ebfaf54dece14666John McCall bool isInnerRef() const { return ReferenceTypeBits.InnerRef; } 151373dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 151454e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeTypeAsWritten() const { return PointeeType; } 151554e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType getPointeeType() const { 151654e14c4db764c0636160d26c5bbf491637c83a76John McCall // FIXME: this might strip inner qualifiers; okay? 151754e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *T = this; 151871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall while (T->isInnerRef()) 151954e14c4db764c0636160d26c5bbf491637c83a76John McCall T = T->PointeeType->getAs<ReferenceType>(); 152054e14c4db764c0636160d26c5bbf491637c83a76John McCall return T->PointeeType; 152154e14c4db764c0636160d26c5bbf491637c83a76John McCall } 152268694ada8f4d8f6c4b00ea5b900df96428b28fc8Daniel Dunbar 15235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 152471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Profile(ID, PointeeType, isSpelledAsLValue()); 15255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 152654e14c4db764c0636160d26c5bbf491637c83a76John McCall static void Profile(llvm::FoldingSetNodeID &ID, 152754e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Referencee, 152854e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) { 15295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(Referencee.getAsOpaquePtr()); 153054e14c4db764c0636160d26c5bbf491637c83a76John McCall ID.AddBoolean(SpelledAsLValue); 15315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15337c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 15347c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference || 15357c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl T->getTypeClass() == RValueReference; 15367c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 15375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const ReferenceType *) { return true; } 15387c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 15397c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15407c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// LValueReferenceType - C++ [dcl.ref] - Lvalue reference 15417c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 15427c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass LValueReferenceType : public ReferenceType { 154354e14c4db764c0636160d26c5bbf491637c83a76John McCall LValueReferenceType(QualType Referencee, QualType CanonicalRef, 154454e14c4db764c0636160d26c5bbf491637c83a76John McCall bool SpelledAsLValue) : 154554e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(LValueReference, Referencee, CanonicalRef, SpelledAsLValue) 154654e14c4db764c0636160d26c5bbf491637c83a76John McCall {} 15477c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 15487c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 1549bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1550bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1551bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 15527c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 15537c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == LValueReference; 15547c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 15557c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const LValueReferenceType *) { return true; } 15567c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl}; 15577c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 15587c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// RValueReferenceType - C++0x [dcl.ref] - Rvalue reference 15597c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// 15607c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlclass RValueReferenceType : public ReferenceType { 15617c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType(QualType Referencee, QualType CanonicalRef) : 156254e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType(RValueReference, Referencee, CanonicalRef, false) { 15637c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 15647c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl friend class ASTContext; // ASTContext creates these 15657c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlpublic: 1566bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1567bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1568bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 15697c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const Type *T) { 15707c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return T->getTypeClass() == RValueReference; 15717c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 15727c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl static bool classof(const RValueReferenceType *) { return true; } 1573f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl}; 1574f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1575f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// MemberPointerType - C++ 8.3.3 - Pointers to members 1576f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// 1577f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlclass MemberPointerType : public Type, public llvm::FoldingSetNode { 1578f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType PointeeType; 1579f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// The class of which the pointee is a member. Must ultimately be a 1580f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl /// RecordType, but could be a typedef or a template parameter too. 1581f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class; 1582f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1583f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType(QualType Pointee, const Type *Cls, QualType CanonicalPtr) : 1584f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Type(MemberPointer, CanonicalPtr, 158535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Cls->isDependentType() || Pointee->isDependentType(), 158635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Pointee->isVariablyModifiedType()), 1587f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl PointeeType(Pointee), Class(Cls) { 1588f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1589f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl friend class ASTContext; // ASTContext creates these. 159060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 1591f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlpublic: 1592f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType getPointeeType() const { return PointeeType; } 1593f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 15940bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Returns true if the member type (i.e. the pointee type) is a 15950bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// function type rather than a data-member type. 15960bab0cdab751248ca389a5592bcb70eac5d39260John McCall bool isMemberFunctionPointer() const { 15970bab0cdab751248ca389a5592bcb70eac5d39260John McCall return PointeeType->isFunctionProtoType(); 15980bab0cdab751248ca389a5592bcb70eac5d39260John McCall } 15990bab0cdab751248ca389a5592bcb70eac5d39260John McCall 16000bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// Returns true if the member type (i.e. the pointee type) is a 16010bab0cdab751248ca389a5592bcb70eac5d39260John McCall /// data type rather than a function type. 16020bab0cdab751248ca389a5592bcb70eac5d39260John McCall bool isMemberDataPointer() const { 16030bab0cdab751248ca389a5592bcb70eac5d39260John McCall return !PointeeType->isFunctionProtoType(); 16040bab0cdab751248ca389a5592bcb70eac5d39260John McCall } 16050bab0cdab751248ca389a5592bcb70eac5d39260John McCall 1606f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *getClass() const { return Class; } 1607f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1608bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1609bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1610bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1611f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void Profile(llvm::FoldingSetNodeID &ID) { 1612f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Profile(ID, getPointeeType(), getClass()); 1613f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1614f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static void Profile(llvm::FoldingSetNodeID &ID, QualType Pointee, 1615f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl const Type *Class) { 1616f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Pointee.getAsOpaquePtr()); 1617f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl ID.AddPointer(Class); 1618f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1619f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1620f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const Type *T) { 1621f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return T->getTypeClass() == MemberPointer; 1622f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 1623f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl static bool classof(const MemberPointerType *) { return true; } 16245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 16255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// ArrayType - C99 6.7.5.2 - Array Declarators. 16275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 16282e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ArrayType : public Type, public llvm::FoldingSetNode { 16295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 16305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ArraySizeModifier - Capture whether this is a normal array (e.g. int X[4]) 1631898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// an array with a static size (e.g. int X[static 4]), or an array 1632898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// with a star size (e.g. int X[*]). 1633898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// 'static' is only allowed on function parameters. 16345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum ArraySizeModifier { 16355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Normal, Static, Star 16365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 16375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 1638fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff /// ElementType - The element type of the array. 1639fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType ElementType; 16401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1641fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffprotected: 1642898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // C++ [temp.dep.type]p1: 1643898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // A type is dependent if it is... 1644898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // - an array type constructed from any dependent type or whose 1645898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // size is specified by a constant expression that is 1646898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // value-dependent, 1647c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType(TypeClass tc, QualType et, QualType can, 1648c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArraySizeModifier sm, unsigned tq) 164935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(tc, can, et->isDependentType() || tc == DependentSizedArray, 165035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor (tc == VariableArray || et->isVariablyModifiedType())), 165171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ElementType(et) { 1652b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBits.IndexTypeQuals = tq; 1653b870b88df784c2940efce448ebfaf54dece14666John McCall ArrayTypeBits.SizeModifier = sm; 165471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 1655898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1656fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 165760e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 1658fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 1659fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff QualType getElementType() const { return ElementType; } 1660ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek ArraySizeModifier getSizeModifier() const { 1661b870b88df784c2940efce448ebfaf54dece14666John McCall return ArraySizeModifier(ArrayTypeBits.SizeModifier); 1662ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek } 16630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers getIndexTypeQualifiers() const { 166471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Qualifiers::fromCVRMask(getIndexTypeCVRQualifiers()); 166571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 166671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall unsigned getIndexTypeCVRQualifiers() const { 1667b870b88df784c2940efce448ebfaf54dece14666John McCall return ArrayTypeBits.IndexTypeQuals; 16680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 16691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1670fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const Type *T) { 1671fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff return T->getTypeClass() == ConstantArray || 1672c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman T->getTypeClass() == VariableArray || 1673898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == IncompleteArray || 1674898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor T->getTypeClass() == DependentSizedArray; 1675fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1676fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ArrayType *) { return true; } 1677fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 1678fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 16797e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// ConstantArrayType - This class represents the canonical version of 16807e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// C arrays with a specified constant size. For example, the canonical 16817e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type for 'int A[4 + 4*100]' is a ConstantArrayType where the element 16827e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor/// type is 'int' and the size is 404. 16832e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass ConstantArrayType : public ArrayType { 1684fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff llvm::APInt Size; // Allows us to unique the type. 16851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16860be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType(QualType et, QualType can, const llvm::APInt &size, 1687c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArraySizeModifier sm, unsigned tq) 16887e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(ConstantArray, et, can, sm, tq), 16897e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Size(size) {} 16907e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregorprotected: 16917e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ConstantArrayType(TypeClass tc, QualType et, QualType can, 16927e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor const llvm::APInt &size, ArraySizeModifier sm, unsigned tq) 16937e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(tc, et, can, sm, tq), Size(size) {} 1694fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff friend class ASTContext; // ASTContext creates these. 1695fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroffpublic: 1696c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const llvm::APInt &getSize() const { return Size; } 1697bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1698bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1699bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 17002767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 17012767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the number of bits required to address a member of 17022767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor // an array with the given element type and number of elements. 17032767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getNumAddressingBits(ASTContext &Context, 17042767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor QualType ElementType, 17052767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor const llvm::APInt &NumElements); 17062767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 17072767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// \brief Determine the maximum number of active bits that an array's size 17082767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor /// can require, which limits the maximum size of the array. 17092767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor static unsigned getMaxSizeBits(ASTContext &Context); 17102767ce2e21d8bc17869b8436220bce719b3369e4Douglas Gregor 1711fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff void Profile(llvm::FoldingSetNodeID &ID) { 17121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, getElementType(), getSize(), 17130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers()); 1714fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1715fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 17160be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner const llvm::APInt &ArraySize, ArraySizeModifier SizeMod, 17170be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner unsigned TypeQuals) { 1718fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddPointer(ET.getAsOpaquePtr()); 1719fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff ID.AddInteger(ArraySize.getZExtValue()); 17200be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 17210be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 1722fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 17237e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor static bool classof(const Type *T) { 172446a617a792bfab0d9b1e057371ea3b9540802226John McCall return T->getTypeClass() == ConstantArray; 1725fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff } 1726fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const ConstantArrayType *) { return true; } 1727fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff}; 1728fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 1729da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// IncompleteArrayType - This class represents C arrays with an unspecified 1730da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// size. For example 'int A[]' has an IncompleteArrayType where the element 1731da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// type is 'int' and the size is unspecified. 1732c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanclass IncompleteArrayType : public ArrayType { 17337e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 1734c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType(QualType et, QualType can, 17357e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq) 1736c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman : ArrayType(IncompleteArray, et, can, sm, tq) {} 1737c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class ASTContext; // ASTContext creates these. 1738c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedmanpublic: 1739bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1740bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1741bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 17421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 17431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == IncompleteArray; 1744c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 1745c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman static bool classof(const IncompleteArrayType *) { return true; } 17461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1747c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman friend class StmtIteratorBase; 17481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1749c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void Profile(llvm::FoldingSetNodeID &ID) { 17500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Profile(ID, getElementType(), getSizeModifier(), 17510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getIndexTypeCVRQualifiers()); 1752c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 17531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17540be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner static void Profile(llvm::FoldingSetNodeID &ID, QualType ET, 17550be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ArraySizeModifier SizeMod, unsigned TypeQuals) { 1756c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ID.AddPointer(ET.getAsOpaquePtr()); 17570be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(SizeMod); 17580be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ID.AddInteger(TypeQuals); 1759c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman } 1760c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman}; 1761c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1762da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// VariableArrayType - This class represents C arrays with a specified size 1763da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// which is not an integer-constant-expression. For example, 'int s[x+foo()]'. 1764da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Since the size expression is an arbitrary expression, we store it as such. 1765da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 1766da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// Note: VariableArrayType's aren't uniqued (since the expressions aren't) and 1767da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// should not be: two lexically equivalent variable array types could mean 1768da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// different things, for example, these variables do not have the same type 1769da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// dynamically: 1770da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 1771da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// void foo(int x) { 1772da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Y[x]; 1773da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// ++x; 1774da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// int Z[x]; 1775da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// } 1776da2d71a50fe724c881b148fcc2c05a5e9b56e3a5Chris Lattner/// 17772e7d352dbec06755105237afba183492d31d03cbTed Kremenekclass VariableArrayType : public ArrayType { 17781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// SizeExpr - An assignment expression. VLA's are only permitted within 17791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// a function block. 1780b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek Stmt *SizeExpr; 17817e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 17827e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 17837e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor 1784c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff VariableArrayType(QualType et, QualType can, Expr *e, 17857e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArraySizeModifier sm, unsigned tq, 17867e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange brackets) 17877e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(VariableArray, et, can, sm, tq), 17887e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SizeExpr((Stmt*) e), Brackets(brackets) {} 17895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 17904b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 17915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 17921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 1793b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // We use C-style casts instead of cast<> here because we do not wish 1794b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek // to have a dependency of Type.h on Stmt.h/Expr.h. 1795b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek return (Expr*) SizeExpr; 1796b3064041583eb134fbf56906728bf752bc65b572Ted Kremenek } 17977e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 17987e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 17997e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 18001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1801bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1802bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1803bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 18041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 18051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == VariableArray; 18065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1807fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff static bool classof(const VariableArrayType *) { return true; } 18081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 180992866e2e90f6d93fb95e25a7ac4438e239d89ce6Ted Kremenek friend class StmtIteratorBase; 18101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18112bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek void Profile(llvm::FoldingSetNodeID &ID) { 1812bc5e150b6d94cf131f7d01bc715571b741c5b408Chris Lattner assert(0 && "Cannnot unique VariableArrayTypes."); 18132bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 18145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 18155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1816898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// DependentSizedArrayType - This type represents an array type in 1817898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// C++ whose size is a value-dependent expression. For example: 1818cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 1819cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \code 18201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// template<typename T, int Size> 1821898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// class array { 1822898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// T data[Size]; 1823898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// }; 1824cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// \endcode 1825cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor/// 1826898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// For these types, we won't actually know what the array bound is 1827898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// until template instantiation occurs, at which point this will 1828898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// become either a ConstantArrayType or a VariableArrayType. 1829898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorclass DependentSizedArrayType : public ArrayType { 183004d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor ASTContext &Context; 18311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1832cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// \brief An assignment expression that will instantiate to the 1833898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor /// size of the array. 1834cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// 1835cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// The expression itself might be NULL, in which case the array 1836cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor /// type will have its size deduced from an initializer. 1837898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Stmt *SizeExpr; 1838cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 18397e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor /// Brackets - The left and right array brackets. 18407e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets; 18411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedArrayType(ASTContext &Context, QualType et, QualType can, 184304d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor Expr *e, ArraySizeModifier sm, unsigned tq, 18447e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange brackets) 18457e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor : ArrayType(DependentSizedArray, et, can, sm, tq), 184604d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor Context(Context), SizeExpr((Stmt*) e), Brackets(brackets) {} 1847898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class ASTContext; // ASTContext creates these. 1848898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1849898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorpublic: 18501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *getSizeExpr() const { 1851898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // We use C-style casts instead of cast<> here because we do not wish 1852898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // to have a dependency of Type.h on Stmt.h/Expr.h. 1853898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return (Expr*) SizeExpr; 1854898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 18557e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange getBracketsRange() const { return Brackets; } 18567e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getLBracketLoc() const { return Brackets.getBegin(); } 18577e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceLocation getRBracketLoc() const { return Brackets.getEnd(); } 18581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1859bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1860bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1861bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 18621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 18631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedArray; 1864898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 1865898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor static bool classof(const DependentSizedArrayType *) { return true; } 18661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1867898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor friend class StmtIteratorBase; 18681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1870898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 18711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Profile(ID, Context, getElementType(), 18720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall getSizeModifier(), getIndexTypeCVRQualifiers(), getSizeExpr()); 1873898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor } 18741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 18761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType ET, ArraySizeModifier SizeMod, 187704d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor unsigned TypeQuals, Expr *E); 1878898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor}; 1879898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1880f6ddb737cb882ffbf0b75a9abd50b930cc2b9068Douglas Gregor/// DependentSizedExtVectorType - This type represent an extended vector type 18819cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// where either the type or size is dependent. For example: 18829cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @code 18839cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// template<typename T, int Size> 18849cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// class vector { 18859cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// typedef T __attribute__((ext_vector_type(Size))) type; 18869cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// } 18879cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor/// @endcode 18882ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregorclass DependentSizedExtVectorType : public Type, public llvm::FoldingSetNode { 18892ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor ASTContext &Context; 18909cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr; 18919cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor /// ElementType - The element type of the array. 18929cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType ElementType; 18939cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation loc; 18941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType(ASTContext &Context, QualType ElementType, 18962ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType can, Expr *SizeExpr, SourceLocation loc) 189735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(DependentSizedExtVector, can, /*Dependent=*/true, 189835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor ElementType->isVariablyModifiedType()), 18991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Context(Context), SizeExpr(SizeExpr), ElementType(ElementType), 19002ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor loc(loc) {} 19019cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor friend class ASTContext; 19029cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 19039cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregorpublic: 19042ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Expr *getSizeExpr() const { return SizeExpr; } 19059cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor QualType getElementType() const { return ElementType; } 19069cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation getAttributeLoc() const { return loc; } 19079cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 1908bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1909bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1910bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 19111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 19121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == DependentSizedExtVector; 19139cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor } 19141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const DependentSizedExtVectorType *) { return true; } 19152ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor 19162ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 19172ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor Profile(ID, Context, getElementType(), getSizeExpr()); 19182ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 19191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19202ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 19212ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType ElementType, Expr *SizeExpr); 19229cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor}; 19231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19249cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 192573322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// VectorType - GCC generic vector type. This type is created using 19261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// __attribute__((vector_size(n)), where "n" specifies the vector size in 192782287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// bytes; or from an Altivec __vector or vector declaration. 192882287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson/// Since the constructor takes the number of vector elements, the 192973322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// client is responsible for converting the size into the number of elements. 19305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass VectorType : public Type, public llvm::FoldingSetNode { 1931788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattnerpublic: 1932e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson enum VectorKind { 1933e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson GenericVector, // not a target-specific vector type 1934e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecVector, // is AltiVec vector 1935e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecPixel, // is AltiVec 'vector Pixel' 1936e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson AltiVecBool, // is AltiVec 'vector bool ...' 1937491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson NeonVector, // is ARM Neon vector 1938491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson NeonPolyVector // is ARM Neon polynomial vector 1939788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner }; 194073322924127c873c13101b705dd823f5539ffa5fSteve Naroffprotected: 19415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ElementType - The element type of the vector. 19425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ElementType; 19431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 194482287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson VectorType(QualType vecType, unsigned nElements, QualType canonType, 1945e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorKind vecKind) : 194635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Type(Vector, canonType, vecType->isDependentType(), 194771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall vecType->isVariablyModifiedType()), ElementType(vecType) { 1948e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorTypeBits.VecKind = vecKind; 1949b870b88df784c2940efce448ebfaf54dece14666John McCall VectorTypeBits.NumElements = nElements; 195071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 195135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor 19521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump VectorType(TypeClass tc, QualType vecType, unsigned nElements, 1953e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson QualType canonType, VectorKind vecKind) 195435495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(tc, canonType, vecType->isDependentType(), 195571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall vecType->isVariablyModifiedType()), ElementType(vecType) { 1956e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorTypeBits.VecKind = vecKind; 1957b870b88df784c2940efce448ebfaf54dece14666John McCall VectorTypeBits.NumElements = nElements; 195871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 19595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 196060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 19615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 19621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getElementType() const { return ElementType; } 1964b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getNumElements() const { return VectorTypeBits.NumElements; } 19655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1966bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 1967bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 1968bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 1969e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorKind getVectorKind() const { 1970e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson return VectorKind(VectorTypeBits.VecKind); 197171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 1972788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 19735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 197471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Profile(ID, getElementType(), getNumElements(), 1975e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson getTypeClass(), getVectorKind()); 19765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ElementType, 197882287d19ded35248c4ce6a425ce74116a13ce44eJohn Thompson unsigned NumElements, TypeClass TypeClass, 1979e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorKind VecKind) { 19805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ElementType.getAsOpaquePtr()); 19815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddInteger(NumElements); 198273322924127c873c13101b705dd823f5539ffa5fSteve Naroff ID.AddInteger(TypeClass); 1983e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson ID.AddInteger(VecKind); 198473322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 19850b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 19861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 19871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == Vector || T->getTypeClass() == ExtVector; 19885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 19895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const VectorType *) { return true; } 19905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 19915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1992213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// ExtVectorType - Extended vector type. This type is created using 1993213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// __attribute__((ext_vector_type(n)), where "n" is the number of elements. 1994213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// Unlike vector_size, ext_vector_type is only allowed on typedef's. This 1995fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// class enables syntactic extensions, like Vector Components for accessing 1996fcac0fff877a461bc5d5a57e6c6727a4c819d95aSteve Naroff/// points, colors, and textures (modeled after OpenGL Shading Language). 1997213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemanclass ExtVectorType : public VectorType { 1998213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman ExtVectorType(QualType vecType, unsigned nElements, QualType canonType) : 1999e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType(ExtVector, vecType, nElements, canonType, GenericVector) {} 200073322924127c873c13101b705dd823f5539ffa5fSteve Naroff friend class ASTContext; // ASTContext creates these. 200173322924127c873c13101b705dd823f5539ffa5fSteve Naroffpublic: 200288dca0464804b8b26ae605f89784c927e8493dddChris Lattner static int getPointAccessorIdx(char c) { 200388dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 200488dca0464804b8b26ae605f89784c927e8493dddChris Lattner default: return -1; 200588dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'x': return 0; 200688dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'y': return 1; 200788dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'z': return 2; 200888dca0464804b8b26ae605f89784c927e8493dddChris Lattner case 'w': return 3; 200988dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 2010e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 2011353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman static int getNumericAccessorIdx(char c) { 201288dca0464804b8b26ae605f89784c927e8493dddChris Lattner switch (c) { 2013353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman default: return -1; 2014353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '0': return 0; 2015353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '1': return 1; 2016353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '2': return 2; 2017353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '3': return 3; 2018353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '4': return 4; 2019353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '5': return 5; 2020353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '6': return 6; 2021353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '7': return 7; 2022353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '8': return 8; 2023353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case '9': return 9; 2024131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'A': 2025353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'a': return 10; 2026131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'B': 2027353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'b': return 11; 2028131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'C': 2029353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'c': return 12; 2030131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'D': 2031353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'd': return 13; 2032131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'E': 2033353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'e': return 14; 2034131f4658249b2a7d2d7e30fe07e84c484f79ef99Nate Begeman case 'F': 2035353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman case 'f': return 15; 203688dca0464804b8b26ae605f89784c927e8493dddChris Lattner } 2037e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 20381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2039b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner static int getAccessorIdx(char c) { 2040b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getPointAccessorIdx(c)+1) return idx-1; 2041353417af9d254d4fd0eb7d0a3ff71c4d8594ac58Nate Begeman return getNumericAccessorIdx(c); 2042b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner } 20431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 204488dca0464804b8b26ae605f89784c927e8493dddChris Lattner bool isAccessorWithinNumElements(char c) const { 2045b8f849da3cedee2f61ad98389115ddd04e439d60Chris Lattner if (int idx = getAccessorIdx(c)+1) 204671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return unsigned(idx-1) < getNumElements(); 204788dca0464804b8b26ae605f89784c927e8493dddChris Lattner return false; 2048e1b31fedbc006e6e4071bbb4f74c6116b56cfa9fSteve Naroff } 2049bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2050bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2051bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 20521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 20531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ExtVector; 205473322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 2055213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman static bool classof(const ExtVectorType *) { return true; } 205673322924127c873c13101b705dd823f5539ffa5fSteve Naroff}; 205773322924127c873c13101b705dd823f5539ffa5fSteve Naroff 20585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// FunctionType - C99 6.7.5.3 - Function Declarators. This is the common base 205972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// class of FunctionNoProtoType and FunctionProtoType. 20605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 20615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FunctionType : public Type { 20625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // The type returned by the function. 20635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType ResultType; 2064264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2065264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 2066075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // This class is used for passing around the information needed to 2067264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // construct a call. It is not actually used for storage, just for 2068264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // factoring together common arguments. 2069075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // If you add a field (say Foo), other than the obvious places (both, 2070075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // constructors, compile failures), what you need to update is 2071075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara // * Operator== 2072425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * getFoo 2073425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * withFoo 2074425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * functionType. Add Foo, getFoo. 2075425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::getFooType 2076425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * ASTContext::mergeFunctionTypes 2077425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionNoProtoType::Profile 2078425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * FunctionProtoType::Profile 2079425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * TypePrinter::PrintFunctionProto 20803c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // * AST read and write 2081425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola // * Codegen 2082425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 2083264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola class ExtInfo { 2084b870b88df784c2940efce448ebfaf54dece14666John McCall enum { CallConvMask = 0x7 }; 2085b870b88df784c2940efce448ebfaf54dece14666John McCall enum { NoReturnMask = 0x8 }; 2086b870b88df784c2940efce448ebfaf54dece14666John McCall enum { RegParmMask = ~(CallConvMask | NoReturnMask), 2087b870b88df784c2940efce448ebfaf54dece14666John McCall RegParmOffset = 4 }; 2088b870b88df784c2940efce448ebfaf54dece14666John McCall 208971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall unsigned Bits; 209071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 209171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo(unsigned Bits) : Bits(Bits) {} 209271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 209371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall friend class FunctionType; 209471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall 2095264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola public: 2096264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with no defaults. Use this when you know that you 20973c7f4134603d04b44f997b43c0a9def270f25386Sebastian Redl // have all the elements (when reading an AST file for example). 209871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo(bool noReturn, unsigned regParm, CallingConv cc) { 2099b870b88df784c2940efce448ebfaf54dece14666John McCall Bits = ((unsigned) cc) | 2100b870b88df784c2940efce448ebfaf54dece14666John McCall (noReturn ? NoReturnMask : 0) | 2101b870b88df784c2940efce448ebfaf54dece14666John McCall (regParm << RegParmOffset); 210271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2103264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2104264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Constructor with all defaults. Use when for example creating a 2105264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // function know to use defaults. 210671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo() : Bits(0) {} 2107264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2108b870b88df784c2940efce448ebfaf54dece14666John McCall bool getNoReturn() const { return Bits & NoReturnMask; } 2109b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getRegParm() const { return Bits >> RegParmOffset; } 2110b870b88df784c2940efce448ebfaf54dece14666John McCall CallingConv getCC() const { return CallingConv(Bits & CallConvMask); } 2111264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 211271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool operator==(ExtInfo Other) const { 211371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Bits == Other.Bits; 2114264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 211571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool operator!=(ExtInfo Other) const { 211671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return Bits != Other.Bits; 2117264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2118264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2119264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // Note that we don't have setters. That is by design, use 2120264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola // the following with methods instead of mutating these objects. 2121264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2122264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withNoReturn(bool noReturn) const { 212371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall if (noReturn) 212471c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return ExtInfo(Bits | NoReturnMask); 212571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall else 212671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall return ExtInfo(Bits & ~NoReturnMask); 2127425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola } 2128425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 2129425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola ExtInfo withRegParm(unsigned RegParm) const { 2130b870b88df784c2940efce448ebfaf54dece14666John McCall return ExtInfo((Bits & ~RegParmMask) | (RegParm << RegParmOffset)); 2131264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2132264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 2133264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExtInfo withCallingConv(CallingConv cc) const { 2134b870b88df784c2940efce448ebfaf54dece14666John McCall return ExtInfo((Bits & ~CallConvMask) | (unsigned) cc); 2135264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } 2136264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 213771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 213871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ID.AddInteger(Bits); 213971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2140264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola }; 2141264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola 21425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprotected: 2143971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis FunctionType(TypeClass tc, QualType res, bool SubclassInfo, 21442455636163fdd18581d7fdae816433f886d88213Mike Stump unsigned typeQuals, QualType Canonical, bool Dependent, 214571c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall bool VariablyModified, ExtInfo Info) 214671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall : Type(tc, Canonical, Dependent, VariablyModified), ResultType(res) { 2147b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.ExtInfo = Info.Bits; 2148b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.SubclassInfo = SubclassInfo; 2149b870b88df784c2940efce448ebfaf54dece14666John McCall FunctionTypeBits.TypeQuals = typeQuals; 215071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 2151b870b88df784c2940efce448ebfaf54dece14666John McCall bool getSubClassData() const { return FunctionTypeBits.SubclassInfo; } 2152b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getTypeQuals() const { return FunctionTypeBits.TypeQuals; } 21535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 21541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getResultType() const { return ResultType; } 21565291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 2157b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getRegParmType() const { return getExtInfo().getRegParm(); } 2158b870b88df784c2940efce448ebfaf54dece14666John McCall bool getNoReturnAttr() const { return getExtInfo().getNoReturn(); } 2159b870b88df784c2940efce448ebfaf54dece14666John McCall CallingConv getCallConv() const { return getExtInfo().getCC(); } 2160b870b88df784c2940efce448ebfaf54dece14666John McCall ExtInfo getExtInfo() const { return ExtInfo(FunctionTypeBits.ExtInfo); } 21615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 21625291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// \brief Determine the type of an expression that calls a function of 21635291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor /// this type. 21645291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor QualType getCallResultType(ASTContext &Context) const { 21656398235d7890a81b785ea5af3b6e66d86bf184ccDouglas Gregor return getResultType().getNonLValueExprType(Context); 21665291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor } 21675291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor 216804a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall static llvm::StringRef getNameForCallConv(CallingConv CC); 216904a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall 21705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 21715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto || 21725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer T->getTypeClass() == FunctionProto; 21735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 21745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const FunctionType *) { return true; } 21755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 21765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 217772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionNoProtoType - Represents a K&R-style 'int foo()' function, which has 21785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// no information available about its arguments. 217972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionNoProtoType : public FunctionType, public llvm::FoldingSetNode { 218071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall FunctionNoProtoType(QualType Result, QualType Canonical, ExtInfo Info) 21811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump : FunctionType(FunctionNoProto, Result, false, 0, Canonical, 218235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /*Dependent=*/false, Result->isVariablyModifiedType(), 218335495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Info) {} 21845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 218560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 21865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 21875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // No additional state past what FunctionType provides. 21881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2189bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2190bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2191bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 21925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID) { 2193264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Profile(ID, getResultType(), getExtInfo()); 21945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 21952455636163fdd18581d7fdae816433f886d88213Mike Stump static void Profile(llvm::FoldingSetNodeID &ID, QualType ResultType, 219671c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo Info) { 219771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall Info.Profile(ID); 21985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ID.AddPointer(ResultType.getAsOpaquePtr()); 21995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 22001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 22025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionNoProto; 22035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 220472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionNoProtoType *) { return true; } 22055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 22065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 220772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// FunctionProtoType - Represents a prototype with argument type info, e.g. 22085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 'int foo(int)' or 'int foo(void)'. 'void' is represented as having no 2209465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// arguments, not as having a single void argument. Such a type can have an 2210465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// exception specification, but this specification is not part of the canonical 2211465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl/// type. 221272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass FunctionProtoType : public FunctionType, public llvm::FoldingSetNode { 221372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType(QualType Result, const QualType *ArgArray, unsigned numArgs, 2214465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool isVariadic, unsigned typeQuals, bool hasExs, 2215465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExs, const QualType *ExArray, 2216264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola unsigned numExs, QualType Canonical, 221735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor const ExtInfo &Info); 2218465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 22195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// NumArgs - The number of arguments this function has, not counting '...'. 2220465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned NumArgs : 20; 2221465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2222465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// NumExceptions - The number of types in the exception spec, if any. 2223465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned NumExceptions : 10; 2224465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2225465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// HasExceptionSpec - Whether this function has an exception spec at all. 222634e80e94a21eb1ac2a9405d918e711e8b12256a9John McCall unsigned HasExceptionSpec : 1; 2227465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2228465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// AnyExceptionSpec - Whether this function has a throw(...) spec. 222934e80e94a21eb1ac2a9405d918e711e8b12256a9John McCall unsigned AnyExceptionSpec : 1; 2230465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2231942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// ArgInfo - There is an variable size array after the class in memory that 2232942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner /// holds the argument types. 2233465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2234465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// Exceptions - There is another variable size array after ArgInfo that 2235465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl /// holds the exception types. 2236465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 22375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 22384b05b1dee6cc65ae61d93dab7edff72710f24589Ted Kremenek 22395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 22405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getNumArgs() const { return NumArgs; } 22415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType getArgType(unsigned i) const { 22425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(i < NumArgs && "Invalid argument number!"); 2243942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return arg_type_begin()[i]; 22445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2245465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2246465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasExceptionSpec() const { return HasExceptionSpec; } 2247465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExceptionSpec() const { return AnyExceptionSpec; } 2248465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned getNumExceptions() const { return NumExceptions; } 2249465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl QualType getExceptionType(unsigned i) const { 2250465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(i < NumExceptions && "Invalid exception number!"); 2251465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin()[i]; 2252465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 22531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool hasEmptyExceptionSpec() const { 22541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return hasExceptionSpec() && !hasAnyExceptionSpec() && 2255a12823f6c0ec9e0e644a9d0ee153e973f49c63fcAnders Carlsson getNumExceptions() == 0; 2256d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson } 2257465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 22585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isVariadic() const { return getSubClassData(); } 2259971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned getTypeQuals() const { return FunctionType::getTypeQuals(); } 22601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer typedef const QualType *arg_type_iterator; 2262942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_begin() const { 2263942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner return reinterpret_cast<const QualType *>(this+1); 2264942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner } 2265942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator arg_type_end() const { return arg_type_begin()+NumArgs; } 2266465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2267465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl typedef const QualType *exception_iterator; 2268465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_begin() const { 2269465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // exceptions begin where arguments end 2270465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return arg_type_end(); 2271465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2272465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl exception_iterator exception_end() const { 2273465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl return exception_begin() + NumExceptions; 2274465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl } 2275465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2276bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2277bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2278bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 22795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const Type *T) { 22805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return T->getTypeClass() == FunctionProto; 22815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 228272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const FunctionProtoType *) { return true; } 2283465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 22845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void Profile(llvm::FoldingSetNodeID &ID); 22855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static void Profile(llvm::FoldingSetNodeID &ID, QualType Result, 2286942cfd37297528918616d06cd6e4e8bd6e4915a2Chris Lattner arg_type_iterator ArgTys, unsigned NumArgs, 2287465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool isVariadic, unsigned TypeQuals, 2288465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasExceptionSpec, bool anyExceptionSpec, 22892455636163fdd18581d7fdae816433f886d88213Mike Stump unsigned NumExceptions, exception_iterator Exs, 229071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall ExtInfo ExtInfo); 22915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 22925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 22935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2294ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// \brief Represents the dependent type named by a dependently-scoped 2295ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// typename using declaration, e.g. 2296ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// using typename Base<T>::foo; 2297ed97649e9574b9d854fa4d6109c9333ae0993554John McCall/// Template instantiation turns these into the underlying type. 2298ed97649e9574b9d854fa4d6109c9333ae0993554John McCallclass UnresolvedUsingType : public Type { 2299ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *Decl; 2300ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 230119c8576b7328f4dc2d07682f5da552875c1912efJohn McCall UnresolvedUsingType(const UnresolvedUsingTypenameDecl *D) 230235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(UnresolvedUsing, QualType(), true, false), 230319c8576b7328f4dc2d07682f5da552875c1912efJohn McCall Decl(const_cast<UnresolvedUsingTypenameDecl*>(D)) {} 2304ed97649e9574b9d854fa4d6109c9333ae0993554John McCall friend class ASTContext; // ASTContext creates these. 2305ed97649e9574b9d854fa4d6109c9333ae0993554John McCallpublic: 2306ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2307ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *getDecl() const { return Decl; } 2308ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2309ed97649e9574b9d854fa4d6109c9333ae0993554John McCall bool isSugared() const { return false; } 2310ed97649e9574b9d854fa4d6109c9333ae0993554John McCall QualType desugar() const { return QualType(this, 0); } 2311ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2312ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const Type *T) { 2313ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return T->getTypeClass() == UnresolvedUsing; 2314ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2315ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static bool classof(const UnresolvedUsingType *) { return true; } 2316ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2317ed97649e9574b9d854fa4d6109c9333ae0993554John McCall void Profile(llvm::FoldingSetNodeID &ID) { 2318ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Profile(ID, Decl); 2319ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2320ed97649e9574b9d854fa4d6109c9333ae0993554John McCall static void Profile(llvm::FoldingSetNodeID &ID, 2321ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UnresolvedUsingTypenameDecl *D) { 2322ed97649e9574b9d854fa4d6109c9333ae0993554John McCall ID.AddPointer(D); 2323ed97649e9574b9d854fa4d6109c9333ae0993554John McCall } 2324ed97649e9574b9d854fa4d6109c9333ae0993554John McCall}; 2325ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 2326ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 23275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TypedefType : public Type { 23285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TypedefDecl *Decl; 2329c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanianprotected: 233019c8576b7328f4dc2d07682f5da552875c1912efJohn McCall TypedefType(TypeClass tc, const TypedefDecl *D, QualType can) 233135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(tc, can, can->isDependentType(), can->isVariablyModifiedType()), 233219c8576b7328f4dc2d07682f5da552875c1912efJohn McCall Decl(const_cast<TypedefDecl*>(D)) { 23335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isa<TypedefType>(can) && "Invalid canonical type"); 23345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 23355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer friend class ASTContext; // ASTContext creates these. 23365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 23371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer TypedefDecl *getDecl() const { return Decl; } 23391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2340bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2341bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 2342bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 234372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == Typedef; } 23445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TypedefType *) { return true; } 23455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 23465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 234772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType (GCC extension). 234872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregorclass TypeOfExprType : public Type { 2349d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *TOExpr; 23501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2351b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorprotected: 2352dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType(Expr *E, QualType can = QualType()); 2353d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 2354d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 2355d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff Expr *getUnderlyingExpr() const { return TOExpr; } 23561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2357bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2358bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const; 2359bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2360bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2361bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2362bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 236372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOfExpr; } 236472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const TypeOfExprType *) { return true; } 2365d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 2366d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 2367c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 23681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typeof(expr) types. 2369c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 2370c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 2371c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 2372c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via TypeOfExprType nodes. 23731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass DependentTypeOfExprType 2374b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : public TypeOfExprType, public llvm::FoldingSetNode { 2375b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor ASTContext &Context; 23761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2377b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregorpublic: 23781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentTypeOfExprType(ASTContext &Context, Expr *E) 2379b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor : TypeOfExprType(E), Context(Context) { } 23801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2381bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2382bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2383bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2384b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2385b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 2386b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 23871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2388b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 2389b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor Expr *E); 2390b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor}; 23911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2392d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff/// TypeOfType (GCC extension). 2393d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffclass TypeOfType : public Type { 2394d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType TOType; 23951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TypeOfType(QualType T, QualType can) 239635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(TypeOf, can, T->isDependentType(), T->isVariablyModifiedType()), 239735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor TOType(T) { 2398d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff assert(!isa<TypedefType>(can) && "Invalid canonical type"); 2399d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff } 2400d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff friend class ASTContext; // ASTContext creates these. 2401d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroffpublic: 2402d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff QualType getUnderlyingType() const { return TOType; } 24031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2404bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2405bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 2406bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2407bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2408bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2409bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 241072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const Type *T) { return T->getTypeClass() == TypeOf; } 2411d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff static bool classof(const TypeOfType *) { return true; } 2412d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff}; 24135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2414395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType (C++0x) 2415395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonclass DecltypeType : public Type { 2416395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *E; 24171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2418563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // FIXME: We could get rid of UnderlyingType if we wanted to: We would have to 2419563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // Move getDesugaredType to ASTContext so that it can call getDecltypeForExpr 2420563a03b1338d31c2462def43253a722bc885d384Anders Carlsson // from it. 2421563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType UnderlyingType; 24221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24239d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorprotected: 2424563a03b1338d31c2462def43253a722bc885d384Anders Carlsson DecltypeType(Expr *E, QualType underlyingType, QualType can = QualType()); 2425395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson friend class ASTContext; // ASTContext creates these. 2426395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlssonpublic: 2427395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Expr *getUnderlyingExpr() const { return E; } 2428563a03b1338d31c2462def43253a722bc885d384Anders Carlsson QualType getUnderlyingType() const { return UnderlyingType; } 2429563a03b1338d31c2462def43253a722bc885d384Anders Carlsson 2430bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2431bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getUnderlyingType(); } 2432bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2433bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2434bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return !isDependentType(); } 2435bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2436395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const Type *T) { return T->getTypeClass() == Decltype; } 2437395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson static bool classof(const DecltypeType *) { return true; } 2438395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson}; 24391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2440c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// \brief Internal representation of canonical, dependent 2441c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// decltype(expr) types. 2442c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// 2443c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// This class is used internally by the ASTContext to manage 2444c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// canonical, dependent types, only. Clients will only see instances 2445c4875ee41ba35f1d746f4266ce47461247f19f41Douglas Gregor/// of this class via DecltypeType nodes. 24469d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorclass DependentDecltypeType : public DecltypeType, public llvm::FoldingSetNode { 24479d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor ASTContext &Context; 24481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24499d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregorpublic: 24509d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType(ASTContext &Context, Expr *E); 24511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2452bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2453bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2454bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 24559d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 24569d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor Profile(ID, Context, getUnderlyingExpr()); 24579d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 24581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24599d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context, 24601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Expr *E); 24619d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor}; 24621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass TagType : public Type { 2464ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// Stores the TagDecl associated with this type. The decl may point to any 2465ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl /// TagDecl that declares the entity. 2466ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl * decl; 24672ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 24682ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregorprotected: 246919c8576b7328f4dc2d07682f5da552875c1912efJohn McCall TagType(TypeClass TC, const TagDecl *D, QualType can); 24702ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 24711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumppublic: 2472ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl TagDecl *getDecl() const; 24731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24740b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor /// @brief Determines whether this type is in the process of being 24751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// defined. 2476ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl bool isBeingDefined() const; 24770b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 24781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 247972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return T->getTypeClass() >= TagFirst && T->getTypeClass() <= TagLast; 248072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor } 24815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static bool classof(const TagType *) { return true; } 248272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const RecordType *) { return true; } 248372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor static bool classof(const EnumType *) { return true; } 24845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 24855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 24865edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// RecordType - This is a helper class that allows the use of isa/cast/dyncast 24875edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of structs/unions/classes. 24885edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass RecordType : public TagType { 248949aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidisprotected: 249019c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit RecordType(const RecordDecl *D) 249119c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Record, reinterpret_cast<const TagDecl*>(D), QualType()) { } 249272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor explicit RecordType(TypeClass TC, RecordDecl *D) 249319c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(TC, reinterpret_cast<const TagDecl*>(D), QualType()) { } 24942ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 24955edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 24961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24975edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner RecordDecl *getDecl() const { 24985edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<RecordDecl*>(TagType::getDecl()); 24995edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 25001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // FIXME: This predicate is a helper to QualType/Type. It needs to 25025edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // recursively check all fields for const-ness. If any field is declared 25031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // const, it needs to return false. 25045edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner bool hasConstFields() const { return false; } 25055edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 25065edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // FIXME: RecordType needs to check when it is created that all fields are in 25075edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner // the same address space, and return that. 25085edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner unsigned getAddressSpace() const { return 0; } 25091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2510bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2511bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2512bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 25132daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 25142daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 25152daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 25162daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 25175edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const RecordType *) { return true; } 25185edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 25195edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 25205edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// EnumType - This is a helper class that allows the use of isa/cast/dyncast 25215edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner/// to detect TagType objects of enums. 25225edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerclass EnumType : public TagType { 252319c8576b7328f4dc2d07682f5da552875c1912efJohn McCall explicit EnumType(const EnumDecl *D) 252419c8576b7328f4dc2d07682f5da552875c1912efJohn McCall : TagType(Enum, reinterpret_cast<const TagDecl*>(D), QualType()) { } 25252ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor friend class ASTContext; // ASTContext creates these. 25265edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattnerpublic: 25271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25285edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner EnumDecl *getDecl() const { 25295edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner return reinterpret_cast<EnumDecl*>(TagType::getDecl()); 25305edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner } 25311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2532bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2533bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2534bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 25352daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const TagType *T); 25362daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner static bool classof(const Type *T) { 25372daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner return isa<TagType>(T) && classof(cast<TagType>(T)); 25382daa5df1b53f7ef745d724771384409f6f5df5c1Chris Lattner } 25395edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner static bool classof(const EnumType *) { return true; } 25405edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner}; 25415edb8bfe8472e7d7bf6a82386394ef27359eb846Chris Lattner 2542fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorclass TemplateTypeParmType : public Type, public llvm::FoldingSetNode { 2543efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned Depth : 15; 2544efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned ParameterPack : 1; 254577be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall unsigned Index : 16; 2546efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *Name; 254772c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2548efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType(unsigned D, unsigned I, bool PP, IdentifierInfo *N, 2549efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor QualType Canon) 255035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(TemplateTypeParm, Canon, /*Dependent=*/true, 255135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /*VariablyModified=*/false), 255277be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall Depth(D), ParameterPack(PP), Index(I), Name(N) { } 255372c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 25541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType(unsigned D, unsigned I, bool PP) 255535495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(TemplateTypeParm, QualType(this, 0), /*Dependent=*/true, 255635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /*VariablyModified=*/false), 255777be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall Depth(D), ParameterPack(PP), Index(I), Name(0) { } 255872c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2559fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor friend class ASTContext; // ASTContext creates these 256072c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 2561fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregorpublic: 2562efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned getDepth() const { return Depth; } 2563efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor unsigned getIndex() const { return Index; } 2564efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor bool isParameterPack() const { return ParameterPack; } 2565efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *getName() const { return Name; } 25661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2567bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2568bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2569bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2570fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2571efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor Profile(ID, Depth, Index, ParameterPack, Name); 2572fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 2573fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 25741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, unsigned Depth, 25751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned Index, bool ParameterPack, 2576efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *Name) { 2577fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Depth); 2578fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor ID.AddInteger(Index); 257976e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson ID.AddBoolean(ParameterPack); 2580efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor ID.AddPointer(Name); 2581fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor } 2582fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 25831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 25841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateTypeParm; 258572c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor } 258672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor static bool classof(const TemplateTypeParmType *T) { return true; } 258772c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor}; 2588fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 258949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Represents the result of substituting a type for a template 259049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type parameter. 259149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// 259249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// Within an instantiated template, all template type parameters have 259349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// been replaced with these. They are used solely to record that a 259449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// type was originally written as a template type parameter; 259549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// therefore they are never canonical. 259649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallclass SubstTemplateTypeParmType : public Type, public llvm::FoldingSetNode { 259749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall // The original type parameter. 259849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced; 259949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 260049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(const TemplateTypeParmType *Param, QualType Canon) 260135495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(SubstTemplateTypeParm, Canon, Canon->isDependentType(), 260235495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor Canon->isVariablyModifiedType()), 260349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Replaced(Param) { } 260449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 260549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall friend class ASTContext; 260649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 260749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallpublic: 2608efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *getName() const { return Replaced->getName(); } 2609efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor 261049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the template parameter that was substituted for. 261149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *getReplacedParameter() const { 261249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return Replaced; 261349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 261449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 261549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// Gets the type that was substituted for the template 261649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall /// parameter. 261749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType getReplacementType() const { 261849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getCanonicalTypeInternal(); 261949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 262049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 262149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall bool isSugared() const { return true; } 262249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType desugar() const { return getReplacementType(); } 262349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 262449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void Profile(llvm::FoldingSetNodeID &ID) { 262549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Profile(ID, getReplacedParameter(), getReplacementType()); 262649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 262749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, 262849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall const TemplateTypeParmType *Replaced, 262949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 263049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replaced); 263149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall ID.AddPointer(Replacement.getAsOpaquePtr()); 263249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 263349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 263449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const Type *T) { 263549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return T->getTypeClass() == SubstTemplateTypeParm; 263649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 263749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall static bool classof(const SubstTemplateTypeParmType *T) { return true; } 263849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall}; 263949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 26407532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Represents the type of a template specialization as written 26417532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// in the source code. 264255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// 26437532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// Template specialization types represent the syntactic form of a 26447532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template-id that refers to a type, e.g., @c vector<int>. Some 26457532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template specialization types are syntactic sugar, whose canonical 26467532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// type will point to some other type node that represents the 26477532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// instantiation or class template specialization. For example, a 264855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// class template specialization type of @c vector<int> will refer to 26491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// a tag type for the instantiation 265055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor/// @c std::vector<int, std::allocator<int>>. 26517532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// 26527532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// Other template specialization types, for which the template name 26537532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// is dependent, may be canonical types. These types are always 26547532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// dependent. 26551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpclass TemplateSpecializationType 265655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor : public Type, public llvm::FoldingSetNode { 265733500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The name of the template being specialized. 26587532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Template; 265955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 266040808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief - The number of template arguments named in this class 266140808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// template specialization. 266255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned NumArgs; 266355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 2664ef99001908e799c388f1363b1e607dad5f5b57d3John McCall TemplateSpecializationType(TemplateName T, 26657532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 26667532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, QualType Canon); 266755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 266855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor friend class ASTContext; // ASTContext creates these 266955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 267055f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregorpublic: 267140808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Determine whether any of the given template arguments are 267240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// dependent. 267340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor static bool anyDependentTemplateArguments(const TemplateArgument *Args, 26741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned NumArgs); 267540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 2676833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static bool anyDependentTemplateArguments(const TemplateArgumentLoc *Args, 2677833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs); 2678833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2679d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static bool anyDependentTemplateArguments(const TemplateArgumentListInfo &); 2680d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 2681df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// \brief Print a template argument list, including the '<' and '>' 2682df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor /// enclosing the template arguments. 2683df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor static std::string PrintTemplateArgumentList(const TemplateArgument *Args, 2684d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor unsigned NumArgs, 2685d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor const PrintingPolicy &Policy); 2686df667e71b1daadeacb230cf94fc717843f1a138aDouglas Gregor 2687833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall static std::string PrintTemplateArgumentList(const TemplateArgumentLoc *Args, 2688833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall unsigned NumArgs, 2689833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall const PrintingPolicy &Policy); 2690833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2691d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall static std::string PrintTemplateArgumentList(const TemplateArgumentListInfo &, 2692d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const PrintingPolicy &Policy); 2693d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 269431f17ecbef57b5679c017c375db330546b7b5145John McCall /// True if this template specialization type matches a current 269531f17ecbef57b5679c017c375db330546b7b5145John McCall /// instantiation in the context in which it is found. 269631f17ecbef57b5679c017c375db330546b7b5145John McCall bool isCurrentInstantiation() const { 269771d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall return isa<InjectedClassNameType>(getCanonicalTypeInternal()); 269831f17ecbef57b5679c017c375db330546b7b5145John McCall } 269931f17ecbef57b5679c017c375db330546b7b5145John McCall 270040808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor typedef const TemplateArgument * iterator; 270140808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 270240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor iterator begin() const { return getArgs(); } 270333500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // defined inline in TemplateBase.h 270440808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 27057532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor /// \brief Retrieve the name of the template that we are specializing. 27067532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName getTemplateName() const { return Template; } 270755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 270840808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the template arguments. 27091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const TemplateArgument *getArgs() const { 271040808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor return reinterpret_cast<const TemplateArgument *>(this + 1); 271140808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor } 271240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor 271340808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor /// \brief Retrieve the number of template arguments. 271455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor unsigned getNumArgs() const { return NumArgs; } 271555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 271655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \brief Retrieve a specific template argument as a type. 271755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor /// \precondition @c isArgType(Arg) 271833500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 271955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 272031f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { 272131f17ecbef57b5679c017c375db330546b7b5145John McCall return !isDependentType() || isCurrentInstantiation(); 272231f17ecbef57b5679c017c375db330546b7b5145John McCall } 2723bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getCanonicalTypeInternal(); } 2724bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2725ef99001908e799c388f1363b1e607dad5f5b57d3John McCall void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Ctx) { 272671d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall Profile(ID, Template, getArgs(), NumArgs, Ctx); 272755f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 272855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 27297532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, TemplateName T, 273031f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateArgument *Args, 273131f17ecbef57b5679c017c375db330546b7b5145John McCall unsigned NumArgs, 2732828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor ASTContext &Context); 273355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 27341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 27351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == TemplateSpecialization; 273655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor } 27377532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor static bool classof(const TemplateSpecializationType *T) { return true; } 273855f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor}; 273955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 274031f17ecbef57b5679c017c375db330546b7b5145John McCall/// \brief The injected class name of a C++ class template or class 274131f17ecbef57b5679c017c375db330546b7b5145John McCall/// template partial specialization. Used to record that a type was 274231f17ecbef57b5679c017c375db330546b7b5145John McCall/// spelled with a bare identifier rather than as a template-id; the 274331f17ecbef57b5679c017c375db330546b7b5145John McCall/// equivalent for non-templated classes is just RecordType. 27443cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 274531f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always dependent. Template 274631f17ecbef57b5679c017c375db330546b7b5145John McCall/// instantiation turns these into RecordTypes. 27473cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// 274831f17ecbef57b5679c017c375db330546b7b5145John McCall/// Injected class name types are always canonical. This works 274931f17ecbef57b5679c017c375db330546b7b5145John McCall/// because it is impossible to compare an injected class name type 275031f17ecbef57b5679c017c375db330546b7b5145John McCall/// with the corresponding non-injected template type, for the same 275131f17ecbef57b5679c017c375db330546b7b5145John McCall/// reason that it is impossible to directly compare template 275231f17ecbef57b5679c017c375db330546b7b5145John McCall/// parameters from different dependent contexts: injected class name 275331f17ecbef57b5679c017c375db330546b7b5145John McCall/// types can only occur within the scope of a particular templated 275431f17ecbef57b5679c017c375db330546b7b5145John McCall/// declaration, and within that scope every template specialization 275531f17ecbef57b5679c017c375db330546b7b5145John McCall/// will canonicalize to the injected class name (when appropriate 275631f17ecbef57b5679c017c375db330546b7b5145John McCall/// according to the rules of the language). 27573cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallclass InjectedClassNameType : public Type { 27583cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall CXXRecordDecl *Decl; 27593cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 276031f17ecbef57b5679c017c375db330546b7b5145John McCall /// The template specialization which this type represents. 276131f17ecbef57b5679c017c375db330546b7b5145John McCall /// For example, in 276231f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class T> class A { ... }; 276331f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<T>, whereas in 276431f17ecbef57b5679c017c375db330546b7b5145John McCall /// template <class X, class Y> class A<B<X,Y> > { ... }; 276531f17ecbef57b5679c017c375db330546b7b5145John McCall /// this is A<B<X,Y> >. 276631f17ecbef57b5679c017c375db330546b7b5145John McCall /// 276731f17ecbef57b5679c017c375db330546b7b5145John McCall /// It is always unqualified, always a template specialization type, 276831f17ecbef57b5679c017c375db330546b7b5145John McCall /// and always dependent. 276931f17ecbef57b5679c017c375db330546b7b5145John McCall QualType InjectedType; 27703cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 27713cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall friend class ASTContext; // ASTContext creates these. 2772c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl friend class ASTReader; // FIXME: ASTContext::getInjectedClassNameType is not 2773c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl // currently suitable for AST reading, too much 277443921b53b582145f0d1b7c48223bd4d9f0a9d1beArgyrios Kyrtzidis // interdependencies. 277531f17ecbef57b5679c017c375db330546b7b5145John McCall InjectedClassNameType(CXXRecordDecl *D, QualType TST) 277635495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(InjectedClassName, QualType(), /*Dependent=*/true, 277735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /*VariablyModified=*/false), 277831f17ecbef57b5679c017c375db330546b7b5145John McCall Decl(D), InjectedType(TST) { 27793cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<TemplateSpecializationType>(TST)); 27803cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(!TST.hasQualifiers()); 278131f17ecbef57b5679c017c375db330546b7b5145John McCall assert(TST->isDependentType()); 27823cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 27833cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 27843cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallpublic: 278531f17ecbef57b5679c017c375db330546b7b5145John McCall QualType getInjectedSpecializationType() const { return InjectedType; } 278631f17ecbef57b5679c017c375db330546b7b5145John McCall const TemplateSpecializationType *getInjectedTST() const { 278731f17ecbef57b5679c017c375db330546b7b5145John McCall return cast<TemplateSpecializationType>(InjectedType.getTypePtr()); 27883cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 27893cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 2790ed48a8faa10b6750f334540711c7b3949bbfb3aeSebastian Redl CXXRecordDecl *getDecl() const; 27913cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 279231f17ecbef57b5679c017c375db330546b7b5145John McCall bool isSugared() const { return false; } 279331f17ecbef57b5679c017c375db330546b7b5145John McCall QualType desugar() const { return QualType(this, 0); } 27943cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 27953cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const Type *T) { 27963cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return T->getTypeClass() == InjectedClassName; 27973cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 27983cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall static bool classof(const InjectedClassNameType *T) { return true; } 27993cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall}; 28003cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 2801465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief The kind of a tag type. 2802465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraenum TagTypeKind { 2803465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "struct" keyword. 2804465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Struct, 2805465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "union" keyword. 2806465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Union, 2807465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword. 2808465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Class, 2809465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "enum" keyword. 2810465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TTK_Enum 2811465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 2812465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 28134a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief The elaboration keyword that precedes a qualified type name or 28144a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// introduces an elaborated-type-specifier. 28154a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregorenum ElaboratedTypeKeyword { 28164a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "struct" keyword introduces the elaborated-type-specifier. 28174a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Struct, 28184a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "union" keyword introduces the elaborated-type-specifier. 28194a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ETK_Union, 2820465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "class" keyword introduces the elaborated-type-specifier. 2821465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Class, 28224a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor /// \brief The "enum" keyword introduces the elaborated-type-specifier. 2823465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Enum, 2824465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief The "typename" keyword precedes the qualified type name, e.g., 2825465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \c typename T::type. 2826465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_Typename, 2827465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// \brief No keyword precedes the qualified type name. 2828465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ETK_None 28294a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor}; 2830465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2831465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// A helper class for Type nodes having an ElaboratedTypeKeyword. 2832465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The keyword in stored in the free bits of the base class. 2833465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// Also provides a few static helpers for converting and printing 2834465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// elaborated type keyword and tag type kind enumerations. 2835465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass TypeWithKeyword : public Type { 2836465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraprotected: 2837465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara TypeWithKeyword(ElaboratedTypeKeyword Keyword, TypeClass tc, 283835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor QualType Canonical, bool Dependent, bool VariablyModified) 283977be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall : Type(tc, Canonical, Dependent, VariablyModified) { 284077be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall TypeWithKeywordBits.Keyword = Keyword; 284177be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall } 2842465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2843465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnarapublic: 2844465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypeKeyword getKeyword() const { 284577be2b485f65ad134b3804a6930d5df9d0d974ceJohn McCall return static_cast<ElaboratedTypeKeyword>(TypeWithKeywordBits.Keyword); 2846465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 2847465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2848465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTypeSpec - Converts a type specifier (DeclSpec::TST) 2849465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into an elaborated type keyword. 2850465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTypeSpec(unsigned TypeSpec); 2851465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2852465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForTypeSpec - Converts a type specifier (DeclSpec::TST) 2853465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// into a tag type kind. It is an error to provide a type specifier 2854465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 2855465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForTypeSpec(unsigned TypeSpec); 2856465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2857465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getKeywordForTagDeclKind - Converts a TagTypeKind into an 2858465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// elaborated type keyword. 2859465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static ElaboratedTypeKeyword getKeywordForTagTypeKind(TagTypeKind Tag); 2860465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2861465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// getTagTypeKindForKeyword - Converts an elaborated type keyword into 2862465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara // a TagTypeKind. It is an error to provide an elaborated type keyword 2863465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara /// which *isn't* a tag kind here. 2864465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static TagTypeKind getTagTypeKindForKeyword(ElaboratedTypeKeyword Keyword); 2865465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2866465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool KeywordIsTagTypeKind(ElaboratedTypeKeyword Keyword); 2867465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2868465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getKeywordName(ElaboratedTypeKeyword Keyword); 2869465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2870465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static const char *getTagTypeKindName(TagTypeKind Kind) { 2871465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getKeywordName(getKeywordForTagTypeKind(Kind)); 2872465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 2873465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2874465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara class CannotCastToThisType {}; 2875465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static CannotCastToThisType classof(const Type *); 2876465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara}; 2877465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2878465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// \brief Represents a type that was referred to using an elaborated type 2879465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// keyword, e.g., struct S, or via a qualified name, e.g., N::M::type, 2880465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// or both. 2881e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// 2882e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor/// This type is used to keep track of a type name as written in the 2883465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// source code, including tag keywords and any nested-name-specifiers. 2884465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// The type itself is always "sugar", used to express what was written 2885465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara/// in the source code but containing no additional semantic information. 2886465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass ElaboratedType : public TypeWithKeyword, public llvm::FoldingSetNode { 2887465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2888ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief The nested name specifier containing the qualifier. 2889ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *NNS; 2890e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2891e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief The type that this qualified name refers to. 2892e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType NamedType; 2893e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2894465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 2895465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType, QualType CanonType) 2896465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara : TypeWithKeyword(Keyword, Elaborated, CanonType, 289735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor NamedType->isDependentType(), 289835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor NamedType->isVariablyModifiedType()), 2899465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), NamedType(NamedType) { 2900465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!(Keyword == ETK_None && NNS == 0) && 2901465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "ElaboratedType cannot have elaborated type keyword " 2902465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara "and name qualifier both null."); 2903465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara } 2904e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2905e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor friend class ASTContext; // ASTContext creates these 2906e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2907e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregorpublic: 290833500955d731c73717af52088b7fc0e7a85681e7John McCall ~ElaboratedType(); 2909465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2910ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor /// \brief Retrieve the qualification on this type. 2911ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 2912e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2913e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor /// \brief Retrieve the type named by the qualified-id. 2914e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor QualType getNamedType() const { return NamedType; } 2915e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2916bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Remove a single level of sugar. 2917bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return getNamedType(); } 2918bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2919bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall /// \brief Returns whether this type directly provides sugar. 2920bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return true; } 2921bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2922e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2923465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, NamedType); 2924e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 2925e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2926465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 2927465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, QualType NamedType) { 2928465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ID.AddInteger(Keyword); 2929ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor ID.AddPointer(NNS); 2930ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor NamedType.Profile(ID); 2931ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor } 2932e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 29331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 2934465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return T->getTypeClass() == Elaborated; 2935e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor } 2936465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara static bool classof(const ElaboratedType *T) { return true; } 2937e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor}; 2938e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 29394a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// \brief Represents a qualified type name for which the type name is 29404a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent. 2941d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor/// 29424a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// DependentNameType represents a class of dependent types that involve a 29434a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent nested-name-specifier (e.g., "T::") followed by a (dependent) 29444a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// name of a type. The DependentNameType may start with a "typename" (for a 29454a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// typename-specifier), "class", "struct", "union", or "enum" (for a 29464a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// dependent elaborated-type-specifier), or nothing (in contexts where we 29474a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor/// know that we must be referring to a type, e.g., in a base class specifier). 2948465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnaraclass DependentNameType : public TypeWithKeyword, public llvm::FoldingSetNode { 2949465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara 2950d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The nested name specifier containing the qualifier. 2951d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *NNS; 2952d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2953d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief The type that this typename specifier refers to. 295433500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 2955d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 29564a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, 29574a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, QualType CanonType) 295835495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : TypeWithKeyword(Keyword, DependentName, CanonType, /*Dependent=*/true, 295935495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor /*VariablyModified=*/false), 2960465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NNS(NNS), Name(Name) { 29611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(NNS->isDependent() && 29624714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor "DependentNameType requires a dependent nested-name-specifier"); 2963d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2964d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2965d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor friend class ASTContext; // ASTContext creates these 2966d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2967d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregorpublic: 2968d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor /// \brief Retrieve the qualification on this type. 2969d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *getQualifier() const { return NNS; } 2970d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 29711734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// \brief Retrieve the type named by the typename specifier as an 29721734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// identifier. 29731734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// 29741734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// This routine will return a non-NULL identifier pointer when the 29751734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// form of the original typename was terminated by an identifier, 29761734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor /// e.g., "typename T::type". 29771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const IdentifierInfo *getIdentifier() const { 297833500955d731c73717af52088b7fc0e7a85681e7John McCall return Name; 29791734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor } 2980d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2981bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 2982bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 2983bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 2984d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void Profile(llvm::FoldingSetNodeID &ID) { 2985465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara Profile(ID, getKeyword(), NNS, Name); 2986d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2987d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 29884a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor static void Profile(llvm::FoldingSetNodeID &ID, ElaboratedTypeKeyword Keyword, 298933500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, const IdentifierInfo *Name) { 29904a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ID.AddInteger(Keyword); 2991d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor ID.AddPointer(NNS); 299233500955d731c73717af52088b7fc0e7a85681e7John McCall ID.AddPointer(Name); 2993d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2994d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 29951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 29964714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor return T->getTypeClass() == DependentName; 2997d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 29984714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor static bool classof(const DependentNameType *T) { return true; } 2999d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor}; 3000d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 300133500955d731c73717af52088b7fc0e7a85681e7John McCall/// DependentTemplateSpecializationType - Represents a template 300233500955d731c73717af52088b7fc0e7a85681e7John McCall/// specialization type whose template cannot be resolved, e.g. 300333500955d731c73717af52088b7fc0e7a85681e7John McCall/// A<T>::template B<T> 300433500955d731c73717af52088b7fc0e7a85681e7John McCallclass DependentTemplateSpecializationType : 300533500955d731c73717af52088b7fc0e7a85681e7John McCall public TypeWithKeyword, public llvm::FoldingSetNode { 300633500955d731c73717af52088b7fc0e7a85681e7John McCall 300733500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The nested name specifier containing the qualifier. 300833500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS; 300933500955d731c73717af52088b7fc0e7a85681e7John McCall 301033500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief The identifier of the template. 301133500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name; 301233500955d731c73717af52088b7fc0e7a85681e7John McCall 301333500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief - The number of template arguments named in this class 301433500955d731c73717af52088b7fc0e7a85681e7John McCall /// template specialization. 301533500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs; 301633500955d731c73717af52088b7fc0e7a85681e7John McCall 301733500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgBuffer() const { 301833500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<const TemplateArgument*>(this+1); 301933500955d731c73717af52088b7fc0e7a85681e7John McCall } 302033500955d731c73717af52088b7fc0e7a85681e7John McCall TemplateArgument *getArgBuffer() { 302133500955d731c73717af52088b7fc0e7a85681e7John McCall return reinterpret_cast<TemplateArgument*>(this+1); 302233500955d731c73717af52088b7fc0e7a85681e7John McCall } 302333500955d731c73717af52088b7fc0e7a85681e7John McCall 3024ef99001908e799c388f1363b1e607dad5f5b57d3John McCall DependentTemplateSpecializationType(ElaboratedTypeKeyword Keyword, 302533500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 302633500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 302733500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 302833500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args, 302933500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon); 303033500955d731c73717af52088b7fc0e7a85681e7John McCall 303133500955d731c73717af52088b7fc0e7a85681e7John McCall friend class ASTContext; // ASTContext creates these 303233500955d731c73717af52088b7fc0e7a85681e7John McCall 303333500955d731c73717af52088b7fc0e7a85681e7John McCallpublic: 303433500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *getQualifier() const { return NNS; } 303533500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *getIdentifier() const { return Name; } 303633500955d731c73717af52088b7fc0e7a85681e7John McCall 303733500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the template arguments. 303833500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *getArgs() const { 303933500955d731c73717af52088b7fc0e7a85681e7John McCall return getArgBuffer(); 304033500955d731c73717af52088b7fc0e7a85681e7John McCall } 304133500955d731c73717af52088b7fc0e7a85681e7John McCall 304233500955d731c73717af52088b7fc0e7a85681e7John McCall /// \brief Retrieve the number of template arguments. 304333500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned getNumArgs() const { return NumArgs; } 304433500955d731c73717af52088b7fc0e7a85681e7John McCall 304533500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument &getArg(unsigned Idx) const; // in TemplateBase.h 304633500955d731c73717af52088b7fc0e7a85681e7John McCall 304733500955d731c73717af52088b7fc0e7a85681e7John McCall typedef const TemplateArgument * iterator; 304833500955d731c73717af52088b7fc0e7a85681e7John McCall iterator begin() const { return getArgs(); } 304933500955d731c73717af52088b7fc0e7a85681e7John McCall iterator end() const; // inline in TemplateBase.h 305033500955d731c73717af52088b7fc0e7a85681e7John McCall 305133500955d731c73717af52088b7fc0e7a85681e7John McCall bool isSugared() const { return false; } 305233500955d731c73717af52088b7fc0e7a85681e7John McCall QualType desugar() const { return QualType(this, 0); } 305333500955d731c73717af52088b7fc0e7a85681e7John McCall 3054ef99001908e799c388f1363b1e607dad5f5b57d3John McCall void Profile(llvm::FoldingSetNodeID &ID, ASTContext &Context) { 305533500955d731c73717af52088b7fc0e7a85681e7John McCall Profile(ID, Context, getKeyword(), NNS, Name, NumArgs, getArgs()); 305633500955d731c73717af52088b7fc0e7a85681e7John McCall } 305733500955d731c73717af52088b7fc0e7a85681e7John McCall 305833500955d731c73717af52088b7fc0e7a85681e7John McCall static void Profile(llvm::FoldingSetNodeID &ID, 305933500955d731c73717af52088b7fc0e7a85681e7John McCall ASTContext &Context, 306033500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 306133500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *Qualifier, 306233500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 306333500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 306433500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args); 306533500955d731c73717af52088b7fc0e7a85681e7John McCall 306633500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const Type *T) { 306733500955d731c73717af52088b7fc0e7a85681e7John McCall return T->getTypeClass() == DependentTemplateSpecialization; 306833500955d731c73717af52088b7fc0e7a85681e7John McCall } 306933500955d731c73717af52088b7fc0e7a85681e7John McCall static bool classof(const DependentTemplateSpecializationType *T) { 307033500955d731c73717af52088b7fc0e7a85681e7John McCall return true; 307133500955d731c73717af52088b7fc0e7a85681e7John McCall } 307233500955d731c73717af52088b7fc0e7a85681e7John McCall}; 307333500955d731c73717af52088b7fc0e7a85681e7John McCall 3074c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectType - Represents a class type in Objective C. 3075c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Every Objective C type is a combination of a base type and a 3076c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// list of protocols. 3077c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3078c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// Given the following declarations: 3079c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @class C; 3080c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// @protocol P; 3081c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3082c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C' is an ObjCInterfaceType C. It is sugar for an ObjCObjectType 3083c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// with base C and no protocols. 3084c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3085c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 'C<P>' is an ObjCObjectType with base C and protocol list [P]. 3086c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3087e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id' is a TypedefType which is sugar for an ObjCPointerType whose 3088e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// pointee is an ObjCObjectType with base BuiltinType::ObjCIdType 3089e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// and no protocols. 3090c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// 3091e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 'id<P>' is an ObjCPointerType whose pointee is an ObjCObjecType 3092e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// with base BuiltinType::ObjCIdType and protocol list [P]. Eventually 3093e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// this should get its own sugar class to better represent the source. 3094c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectType : public Type { 3095b870b88df784c2940efce448ebfaf54dece14666John McCall // ObjCObjectType.NumProtocols - the number of protocols stored 3096b870b88df784c2940efce448ebfaf54dece14666John McCall // after the ObjCObjectPointerType node. 309771c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // 309871c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // These protocols are those written directly on the type. If 309971c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // protocol qualifiers ever become additive, the iterators will need 310071c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // to get kindof complicated. 310171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // 310271c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // In the canonical object type, these are sorted alphabetically 310371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall // and uniqued. 3104c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 3105c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Either a BuiltinType or an InterfaceType or sugar for either. 3106c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType BaseType; 3107c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3108c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *getProtocolStorage() const { 3109c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return const_cast<ObjCObjectType*>(this)->getProtocolStorage(); 3110c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3111c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3112c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl **getProtocolStorage(); 3113c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3114c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallprotected: 3115c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(QualType Canonical, QualType Base, 3116c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, unsigned NumProtocols); 3117c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3118c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum Nonce_ObjCInterface { Nonce_ObjCInterface }; 3119c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectType(enum Nonce_ObjCInterface) 312035495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(ObjCInterface, QualType(), false, false), 312171c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall BaseType(QualType(this_(), 0)) { 3122b870b88df784c2940efce448ebfaf54dece14666John McCall ObjCObjectTypeBits.NumProtocols = 0; 312371c3673d1e3756d8ef3cbc559fcad1d0b2f18a1fJohn McCall } 3124c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff 31253536b443bc50d58a79f14fca9b6842541a434854Steve Naroffpublic: 3126e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getBaseType - Gets the base type of this object type. This is 3127e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// always (possibly sugar for) one of: 3128e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'id' builtin type (as opposed to the 'id' type visible to the 3129e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// user, which is a typedef for an ObjCPointerType) 3130e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - the 'Class' builtin type (same caveat) 3131e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// - an ObjCObjectType (currently always an ObjCInterfaceType) 3132c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType getBaseType() const { return BaseType; } 313371842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek 3134c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCId() const { 3135c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCId); 3136c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3137c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCClass() const { 3138c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getBaseType()->isSpecificBuiltinType(BuiltinType::ObjCClass); 3139c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3140c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedId() const { return qual_empty() && isObjCId(); } 3141c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedClass() const { return qual_empty() && isObjCClass(); } 3142c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCUnqualifiedIdOrClass() const { 3143c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!qual_empty()) return false; 3144c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const BuiltinType *T = getBaseType()->getAs<BuiltinType>()) 3145c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getKind() == BuiltinType::ObjCId || 3146c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getKind() == BuiltinType::ObjCClass; 3147c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return false; 3148c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3149c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedId() const { return !qual_empty() && isObjCId(); } 3150c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isObjCQualifiedClass() const { return !qual_empty() && isObjCClass(); } 3151c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3152c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// Gets the interface declaration for this object type, if the base type 3153c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// really is an interface. 3154c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *getInterface() const; 3155c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3156c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCProtocolDecl * const *qual_iterator; 3157c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3158c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_begin() const { return getProtocolStorage(); } 3159c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { return qual_begin() + getNumProtocols(); } 3160c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3161c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getNumProtocols() == 0; } 31621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3163c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// getNumProtocols - Return the number of qualifying protocols in this 3164c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff /// interface type, or 0 if there are none. 3165b870b88df784c2940efce448ebfaf54dece14666John McCall unsigned getNumProtocols() const { return ObjCObjectTypeBits.NumProtocols; } 316614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3167c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall /// \brief Fetch a protocol by index. 316873dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 316973dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor assert(I < getNumProtocols() && "Out-of-range protocol access"); 317073dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor return qual_begin()[I]; 317173dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 317273dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 3173bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3174bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3175bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3176c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const Type *T) { 3177c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getTypeClass() == ObjCObject || 3178c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T->getTypeClass() == ObjCInterface; 3179c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3180c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static bool classof(const ObjCObjectType *) { return true; } 3181c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 3182c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3183c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCObjectTypeImpl - A class providing a concrete implementation 3184c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// of ObjCObjectType, so as to not increase the footprint of 3185c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType. Code outside of ASTContext and the core type 3186c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// system should not reference this type. 3187c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCObjectTypeImpl : public ObjCObjectType, public llvm::FoldingSetNode { 3188c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; 3189c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3190c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If anyone adds fields here, ObjCObjectType::getProtocolStorage() 3191c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // will need to be modified. 3192c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3193c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl(QualType Canonical, QualType Base, 3194c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 3195c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols) 3196c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Canonical, Base, Protocols, NumProtocols) {} 3197c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3198c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 3199c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff void Profile(llvm::FoldingSetNodeID &ID); 32001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static void Profile(llvm::FoldingSetNodeID &ID, 3201c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Base, 3202c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl *const *protocols, 3203c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols); 3204c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall}; 32051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3206c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCProtocolDecl **ObjCObjectType::getProtocolStorage() { 3207c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return reinterpret_cast<ObjCProtocolDecl**>( 3208c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static_cast<ObjCObjectTypeImpl*>(this) + 1); 3209c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 3210c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3211c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// ObjCInterfaceType - Interfaces are the core concept in Objective-C for 3212c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// object oriented design. They basically correspond to C++ classes. There 3213c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// are two kinds of interface types, normal interfaces like "NSString" and 3214c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// qualified interfaces, which are qualified with a protocol list like 3215c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// "NSString<NSCopyable, NSAmazing>". 3216e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// 3217e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCInterfaceType guarantees the following properties when considered 3218e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// as a subtype of its superclass, ObjCObjectType: 3219e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - There are no protocol qualifiers. To reinforce this, code which 3220e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// tries to invoke the protocol methods via an ObjCInterfaceType will 3221e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// fail to compile. 3222e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// - It is its own base type. That is, if T is an ObjCInterfaceType*, 3223e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// T->getBaseType() == QualType(T, 0). 3224c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallclass ObjCInterfaceType : public ObjCObjectType { 3225c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceDecl *Decl; 3226c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3227c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCInterfaceType(const ObjCInterfaceDecl *D) 3228c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall : ObjCObjectType(Nonce_ObjCInterface), 3229c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Decl(const_cast<ObjCInterfaceDecl*>(D)) {} 3230c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall friend class ASTContext; // ASTContext creates these. 32311fb0caaa7bef765b85972274e3b434af2572c141John McCall 3232c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallpublic: 3233e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getDecl - Get the declaration of this interface. 3234deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceDecl *getDecl() const { return Decl; } 3235c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3236c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool isSugared() const { return false; } 3237c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType desugar() const { return QualType(this, 0); } 32380b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 32391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 32401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCInterface; 32413536b443bc50d58a79f14fca9b6842541a434854Steve Naroff } 3242a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCInterfaceType *) { return true; } 3243c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3244c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Nonsense to "hide" certain members of ObjCObjectType within this 3245c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // class. People asking for protocols on an ObjCInterfaceType are 3246c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // not going to get what they want: ObjCInterfaceTypes are 3247c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // guaranteed to have no protocols. 3248c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall enum { 3249c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator, 3250c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_begin, 3251c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_end, 3252c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getNumProtocols, 3253c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getProtocol 3254c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall }; 32553536b443bc50d58a79f14fca9b6842541a434854Steve Naroff}; 32563536b443bc50d58a79f14fca9b6842541a434854Steve Naroff 3257c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline ObjCInterfaceDecl *ObjCObjectType::getInterface() const { 3258c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCInterfaceType *T = 3259c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getBaseType()->getAs<ObjCInterfaceType>()) 3260c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return T->getDecl(); 3261c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return 0; 3262c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 3263c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3264e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// ObjCObjectPointerType - Used to represent a pointer to an 3265e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Objective C object. These are constructed from pointer 3266e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// declarators when the pointee type is an ObjCObjectType (or sugar 3267e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for one). In addition, the 'id' and 'Class' types are typedefs 3268e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// for these, and the protocol-qualified types 'id<P>' and 'Class<P>' 3269e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// are translated into these. 327014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff/// 3271e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// Pointers to pointers to Objective C objects are still PointerTypes; 3272e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall/// only the first level of pointer gets it own type implementation. 327314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffclass ObjCObjectPointerType : public Type, public llvm::FoldingSetNode { 3274e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall QualType PointeeType; 32751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3276c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType(QualType Canonical, QualType Pointee) 327735495eb14f22c4e96956912e23ca2a433227ad8cDouglas Gregor : Type(ObjCObjectPointer, Canonical, false, false), 3278c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall PointeeType(Pointee) {} 327914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff friend class ASTContext; // ASTContext creates these. 32801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 328114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffpublic: 3282e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getPointeeType - Gets the type pointed to by this ObjC pointer. 3283e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// The result will always be an ObjCObjectType or sugar thereof. 328414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff QualType getPointeeType() const { return PointeeType; } 328514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3286e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getObjCObjectType - Gets the type pointed to by this ObjC 3287e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// pointer. This method always returns non-null. 3288e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 3289e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// This method is equivalent to getPointeeType() except that 3290e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// it discards any typedefs (or other sugar) between this 3291e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type and the "outermost" object type. So for: 3292e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @class A; @protocol P; @protocol Q; 3293e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A<P> AP; 3294e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A A1; 3295e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1<P> A1P; 3296e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// typedef A1P<Q> A1PQ; 3297e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A*', getObjectType() will return 'A'. 3298e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A<P>*', getObjectType() will return 'A<P>'. 3299e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'AP*', getObjectType() will return 'A<P>'. 3300e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1*', getObjectType() will return 'A'. 3301e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1<P>*', getObjectType() will return 'A1<P>'. 3302e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1P*', getObjectType() will return 'A1<P>'. 3303e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// For 'A1PQ*', getObjectType() will return 'A1<Q>', because 3304e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// adding protocols to a protocol-qualified base discards the 3305e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// old qualifiers (for now). But if it didn't, getObjectType() 3306e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// would return 'A1P<Q>' (and we'd have to make iterating over 3307e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers more complicated). 3308c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *getObjectType() const { 3309c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return PointeeType->getAs<ObjCObjectType>(); 3310c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 3311c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 3312e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceType - If this pointer points to an Objective C 3313e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// @interface type, gets the type for that interface. Any protocol 3314e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// qualifiers on the interface are ignored. 3315e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 3316e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 33171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCInterfaceType *getInterfaceType() const { 3318c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getBaseType()->getAs<ObjCInterfaceType>(); 331914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3320e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3321e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getInterfaceDecl - If this pointer points to an Objective @interface 3322e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type, gets the declaration for that interface. 3323e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// 3324e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \return null if the base type for this pointer is 'id' or 'Class' 332514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ObjCInterfaceDecl *getInterfaceDecl() const { 3326e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall return getObjectType()->getInterface(); 332714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3328e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3329e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCIdType - True if this is equivalent to the 'id' type, i.e. if 3330e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// its object type is the primitive 'id' type with no protocols. 333114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCIdType() const { 3332c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedId(); 333314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3334e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3335e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCClassType - True if this is equivalent to the 'Class' type, 3336e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// i.e. if its object tive is the primitive 'Class' type with no protocols. 333714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff bool isObjCClassType() const { 3338c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCUnqualifiedClass(); 3339de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 33408d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian 3341e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedIdType - True if this is equivalent to 'id<P>' for some 3342e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// non-empty set of protocols. 33431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool isObjCQualifiedIdType() const { 3344c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedId(); 3345de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 3346e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3347e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// isObjCQualifiedClassType - True if this is equivalent to 'Class<P>' for 3348e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// some non-empty set of protocols. 3349470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff bool isObjCQualifiedClassType() const { 3350c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->isObjCQualifiedClass(); 335114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3352e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall 3353e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// An iterator over the qualifiers on the object type. Provided 3354e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// for convenience. This will always iterate over the full set of 3355e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// protocols on a type, not just those provided directly. 3356c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall typedef ObjCObjectType::qual_iterator qual_iterator; 335714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 335871842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek qual_iterator qual_begin() const { 3359c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_begin(); 336071842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 3361c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall qual_iterator qual_end() const { 3362c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->qual_end(); 336371842cc07aafdebc9b180322ebb46f530beca5d6Ted Kremenek } 3364c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool qual_empty() const { return getObjectType()->qual_empty(); } 336514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3366e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// getNumProtocols - Return the number of qualifying protocols on 3367e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// the object type. 3368c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned getNumProtocols() const { 3369c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getNumProtocols(); 3370c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 337114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 3372e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// \brief Retrieve a qualifying protocol by index on the object 3373e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall /// type. 337473dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor ObjCProtocolDecl *getProtocol(unsigned I) const { 3375c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getObjectType()->getProtocol(I); 337673dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor } 337773dc30b71e218ba2b776b10d07dc2aff09cb2c47Douglas Gregor 3378bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall bool isSugared() const { return false; } 3379bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall QualType desugar() const { return QualType(this, 0); } 3380bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall 3381e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall void Profile(llvm::FoldingSetNodeID &ID) { 3382e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall Profile(ID, getPointeeType()); 3383e175a6f6ede0ae31165a18ac8bf4e8d2681b39f8John McCall } 3384c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall static void Profile(llvm::FoldingSetNodeID &ID, QualType T) { 3385c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ID.AddPointer(T.getAsOpaquePtr()); 3386c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall } 33871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump static bool classof(const Type *T) { 33881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return T->getTypeClass() == ObjCObjectPointer; 338914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 339014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff static bool classof(const ObjCObjectPointerType *) { return true; } 339114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff}; 33921bb8a45f7386a23871598d05141a07af03067925Argyrios Kyrtzidis 33930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// A qualifier set is used to build a set of qualifiers. 33940953e767ff7817f97b3ab20896b229891eeff45bJohn McCallclass QualifierCollector : public Qualifiers { 33950953e767ff7817f97b3ab20896b229891eeff45bJohn McCallpublic: 339649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualifierCollector(Qualifiers Qs = Qualifiers()) : Qualifiers(Qs) {} 33970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 33980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Collect any qualifiers on the given type and return an 33990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// unqualified type. 34000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *strip(QualType QT) { 3401a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor addFastQualifiers(QT.getLocalFastQualifiers()); 3402a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (QT.hasLocalNonFastQualifiers()) { 34030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = QT.getExtQualsUnsafe(); 34040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall addQualifiers(EQ->getQualifiers()); 34050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getBaseType(); 34060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 34070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QT.getTypePtrUnsafe(); 34080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 34090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 34100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 341149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType apply(ASTContext &Context, QualType QT) const; 34120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 34130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall /// Apply the collected qualifiers to the given type. 341449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall QualType apply(ASTContext &Context, const Type* T) const; 34150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall}; 34160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 34170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3418611c1fff195d32df97706e0920c92468b2509900Chris Lattner// Inline function definitions. 34195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3420467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCallinline bool QualType::isCanonical() const { 3421467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall const Type *T = getTypePtr(); 3422a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalQualifiers()) 3423467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall return T->isCanonicalUnqualified() && !isa<ArrayType>(T); 3424467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall return T->isCanonicalUnqualified(); 3425467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall} 3426467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall 342754e14c4db764c0636160d26c5bbf491637c83a76John McCallinline bool QualType::isCanonicalAsParam() const { 3428a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalQualifiers()) return false; 3429745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 343054e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *T = getTypePtr(); 3431745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if ((*this)->isPointerType()) { 3432745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian QualType BaseType = (*this)->getAs<PointerType>()->getPointeeType(); 3433745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (isa<VariableArrayType>(BaseType)) { 3434745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ArrayType *AT = dyn_cast<ArrayType>(BaseType); 3435745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian VariableArrayType *VAT = cast<VariableArrayType>(AT); 3436745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (VAT->getSizeExpr()) 3437745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian T = BaseType.getTypePtr(); 3438745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 3439745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 344054e14c4db764c0636160d26c5bbf491637c83a76John McCall return T->isCanonicalUnqualified() && 344154e14c4db764c0636160d26c5bbf491637c83a76John McCall !isa<FunctionType>(T) && !isa<ArrayType>(T); 344254e14c4db764c0636160d26c5bbf491637c83a76John McCall} 344354e14c4db764c0636160d26c5bbf491637c83a76John McCall 3444fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isConstQualified() const { 3445fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalConstQualified() || 3446fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().isLocalConstQualified(); 3447fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3448fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3449fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isRestrictQualified() const { 3450fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalRestrictQualified() || 3451fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().isLocalRestrictQualified(); 3452fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3453fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3454fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3455fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::isVolatileQualified() const { 3456fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return isLocalVolatileQualified() || 3457fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().isLocalVolatileQualified(); 3458fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3459fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3460fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline bool QualType::hasQualifiers() const { 3461fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return hasLocalQualifiers() || 3462fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().hasLocalQualifiers(); 3463fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3464fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3465fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline Qualifiers QualType::getQualifiers() const { 3466fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Qualifiers Quals = getLocalQualifiers(); 3467fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor Quals.addQualifiers( 3468fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().getLocalQualifiers()); 3469fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return Quals; 3470fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3471fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor 3472fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregorinline unsigned QualType::getCVRQualifiers() const { 3473fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor return getLocalCVRQualifiers() | 3474fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor getTypePtr()->getCanonicalTypeInternal().getLocalCVRQualifiers(); 3475fa1a06e80706846fa15e0bd44671bdc3dfc53d84Douglas Gregor} 3476e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 3477e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// getCVRQualifiersThroughArrayTypes - If there are CVR qualifiers for this 3478e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// type, returns them. Otherwise, if this is an array type, recurses 3479e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// on the element type until some qualifiers have been found or a non-array 3480e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth/// type reached. 3481e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruthinline unsigned QualType::getCVRQualifiersThroughArrayTypes() const { 3482e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth if (unsigned Quals = getCVRQualifiers()) 3483e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth return Quals; 3484e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth QualType CT = getTypePtr()->getCanonicalTypeInternal(); 3485e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 3486e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth return AT->getElementType().getCVRQualifiersThroughArrayTypes(); 3487e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth return 0; 3488e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth} 3489e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth 349049f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalConst() { 349149f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Const); 34920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 34930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 349449f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalRestrict() { 349549f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Restrict); 34960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 34970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 349849f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalVolatile() { 349949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Qualifiers::Volatile); 35000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 35010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 350249f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCallinline void QualType::removeLocalCVRQualifiers(unsigned Mask) { 35036b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall assert(!(Mask & ~Qualifiers::CVRMask) && "mask has non-CVR bits"); 3504c3c0af36bac3d71f61dd758585ab307892545de4Douglas Gregor assert((int)Qualifiers::CVRMask == (int)Qualifiers::FastMask); 35050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 35060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Fast path: we don't need to touch the slow qualifiers. 350749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall removeLocalFastQualifiers(Mask); 3508ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 3509ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 3510ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb/// getAddressSpace - Return the address space of this type. 3511ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lambinline unsigned QualType::getAddressSpace() const { 3512a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) { 35130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = getExtQualsUnsafe(); 35140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasAddressSpace()) 35150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getAddressSpace(); 35160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 35170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 35184243a94b43ef6207938f3023dfcfb804dd545363Chris Lattner QualType CT = getTypePtr()->getCanonicalTypeInternal(); 3519a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (CT.hasLocalNonFastQualifiers()) { 35200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = CT.getExtQualsUnsafe(); 35210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasAddressSpace()) 35220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getAddressSpace(); 35230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 35240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 35254243a94b43ef6207938f3023dfcfb804dd545363Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 3526c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT->getElementType().getAddressSpace(); 35274243a94b43ef6207938f3023dfcfb804dd545363Chris Lattner if (const RecordType *RT = dyn_cast<RecordType>(CT)) 35288e7dafec4b70303dfaff95151cd06bfc5532720cNate Begeman return RT->getAddressSpace(); 3529ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb return 0; 3530ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 3531611c1fff195d32df97706e0920c92468b2509900Chris Lattner 3532d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian/// getObjCGCAttr - Return the gc attribute of this type. 35330953e767ff7817f97b3ab20896b229891eeff45bJohn McCallinline Qualifiers::GC QualType::getObjCGCAttr() const { 3534a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (hasLocalNonFastQualifiers()) { 35350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = getExtQualsUnsafe(); 35360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasObjCGCAttr()) 35370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getObjCGCAttr(); 35380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 35390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3540d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CT = getTypePtr()->getCanonicalTypeInternal(); 3541a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (CT.hasLocalNonFastQualifiers()) { 35420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const ExtQuals *EQ = CT.getExtQualsUnsafe(); 35430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (EQ->hasObjCGCAttr()) 35440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return EQ->getObjCGCAttr(); 35450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 35460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 3547d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian if (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 3548d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return AT->getElementType().getObjCGCAttr(); 3549183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *PT = CT->getAs<ObjCObjectPointerType>()) 35501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return PT->getPointeeType().getObjCGCAttr(); 3551ac423ba85bb59cc7cc1d43081b20d7e8d40355ffFariborz Jahanian // We most look at all pointer types, not just pointer to interface types. 3552ac423ba85bb59cc7cc1d43081b20d7e8d40355ffFariborz Jahanian if (const PointerType *PT = CT->getAs<PointerType>()) 35531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return PT->getPointeeType().getObjCGCAttr(); 35540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qualifiers::GCNone; 3555d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 35562455636163fdd18581d7fdae816433f886d88213Mike Stump 3557264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(const Type &t) { 3558264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola if (const PointerType *PT = t.getAs<PointerType>()) { 3559183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const FunctionType *FT = PT->getPointeeType()->getAs<FunctionType>()) 3560264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 3561264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola } else if (const FunctionType *FT = t.getAs<FunctionType>()) 3562264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FT->getExtInfo(); 35632455636163fdd18581d7fdae816433f886d88213Mike Stump 3564264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return FunctionType::ExtInfo(); 35652455636163fdd18581d7fdae816433f886d88213Mike Stump} 35661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3567264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolainline FunctionType::ExtInfo getFunctionExtInfo(QualType t) { 3568264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getFunctionExtInfo(*t); 3569ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 3570ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 3571b87786f045d798b070980c108c922e1475d27b15Douglas Gregor/// \brief Determine whether this set of qualifiers is a superset of the given 3572b87786f045d798b070980c108c922e1475d27b15Douglas Gregor/// set of qualifiers. 3573b87786f045d798b070980c108c922e1475d27b15Douglas Gregorinline bool Qualifiers::isSupersetOf(Qualifiers Other) const { 3574b87786f045d798b070980c108c922e1475d27b15Douglas Gregor return Mask != Other.Mask && (Mask | Other.Mask) == Mask; 3575b87786f045d798b070980c108c922e1475d27b15Douglas Gregor} 3576b87786f045d798b070980c108c922e1475d27b15Douglas Gregor 3577e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isMoreQualifiedThan - Determine whether this type is more 3578e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// qualified than the Other type. For example, "const volatile int" 3579e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// is more qualified than "const int", "volatile int", and 3580e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int". However, it is not more qualified than "const volatile 3581e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int". 3582e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline bool QualType::isMoreQualifiedThan(QualType Other) const { 35830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // FIXME: work on arbitrary qualifiers 3584e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned MyQuals = this->getCVRQualifiersThroughArrayTypes(); 3585e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned OtherQuals = Other.getCVRQualifiersThroughArrayTypes(); 3586ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner if (getAddressSpace() != Other.getAddressSpace()) 3587ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner return false; 3588e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return MyQuals != OtherQuals && (MyQuals | OtherQuals) == MyQuals; 3589e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 3590e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 3591e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// isAtLeastAsQualifiedAs - Determine whether this type is at last 3592e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// as qualified as the Other type. For example, "const volatile 3593e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int" is at least as qualified as "const int", "volatile int", 3594e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// "int", and "const volatile int". 3595e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline bool QualType::isAtLeastAsQualifiedAs(QualType Other) const { 35960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // FIXME: work on arbitrary qualifiers 3597e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned MyQuals = this->getCVRQualifiersThroughArrayTypes(); 3598e724246b9f655801bd96b727daf9dddc44beef4dChandler Carruth unsigned OtherQuals = Other.getCVRQualifiersThroughArrayTypes(); 3599ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner if (getAddressSpace() != Other.getAddressSpace()) 3600ecca7536488e425417dcb005c39cc15ae1947aabChris Lattner return false; 3601e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return (MyQuals | OtherQuals) == MyQuals; 3602e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 3603e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 3604e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// getNonReferenceType - If Type is a reference type (e.g., const 3605e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int&), returns the type that the reference refers to ("const 3606e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// int"). Otherwise, returns the type itself. This routine is used 3607e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// throughout Sema to implement C++ 5p6: 3608e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 3609e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// If an expression initially has the type "reference to T" (8.3.2, 3610e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// 8.5.3), the type is adjusted to "T" prior to any further 3611e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// analysis, the expression designates the object or function 3612e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor/// denoted by the reference, and the expression is an lvalue. 3613e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregorinline QualType QualType::getNonReferenceType() const { 36146217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType *RefType = (*this)->getAs<ReferenceType>()) 3615e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return RefType->getPointeeType(); 3616e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor else 3617e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor return *this; 3618e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor} 3619e0a5d5fe8eab573f7764bf6d2ddb02bee8dceaf9Douglas Gregor 3620611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isFunctionType() const { 3621a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<FunctionType>(CanonicalType); 3622611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3623611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isPointerType() const { 3624a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<PointerType>(CanonicalType); 3625611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 362658f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroffinline bool Type::isAnyPointerType() const { 362758f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff return isPointerType() || isObjCObjectPointerType(); 362858f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff} 36295618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroffinline bool Type::isBlockPointerType() const { 3630a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<BlockPointerType>(CanonicalType); 36315618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 3632bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattnerinline bool Type::isReferenceType() const { 3633a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ReferenceType>(CanonicalType); 3634bdcd637c29ec1540f912ea6860c88b910e78c329Chris Lattner} 36357c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isLValueReferenceType() const { 3636a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<LValueReferenceType>(CanonicalType); 36377c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 36387c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redlinline bool Type::isRValueReferenceType() const { 3639a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RValueReferenceType>(CanonicalType); 36407c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 3641498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenekinline bool Type::isFunctionPointerType() const { 36426217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType* T = getAs<PointerType>()) 3643498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return T->getPointeeType()->isFunctionType(); 3644498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek else 3645498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek return false; 3646498b0d1aba38f5ec64d566d1dd9e6be237ecc50fTed Kremenek} 3647f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberPointerType() const { 3648a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<MemberPointerType>(CanonicalType); 3649f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 3650f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redlinline bool Type::isMemberFunctionPointerType() const { 36516217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const MemberPointerType* T = getAs<MemberPointerType>()) 36520bab0cdab751248ca389a5592bcb70eac5d39260John McCall return T->isMemberFunctionPointer(); 3653f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl else 3654f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return false; 3655f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 3656db68e28c05a67735211e688009890cf834c22e75Douglas Gregorinline bool Type::isMemberDataPointerType() const { 3657db68e28c05a67735211e688009890cf834c22e75Douglas Gregor if (const MemberPointerType* T = getAs<MemberPointerType>()) 36580bab0cdab751248ca389a5592bcb70eac5d39260John McCall return T->isMemberDataPointer(); 3659db68e28c05a67735211e688009890cf834c22e75Douglas Gregor else 3660db68e28c05a67735211e688009890cf834c22e75Douglas Gregor return false; 3661db68e28c05a67735211e688009890cf834c22e75Douglas Gregor} 3662611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isArrayType() const { 3663a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ArrayType>(CanonicalType); 3664611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3665c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isConstantArrayType() const { 3666a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ConstantArrayType>(CanonicalType); 3667c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 3668c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isIncompleteArrayType() const { 3669a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<IncompleteArrayType>(CanonicalType); 3670c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 3671c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerinline bool Type::isVariableArrayType() const { 3672a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VariableArrayType>(CanonicalType); 3673c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 3674898574e7496ba8fd76290079d3a9d06954992734Douglas Gregorinline bool Type::isDependentSizedArrayType() const { 3675a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<DependentSizedArrayType>(CanonicalType); 3676898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 36773ff83dd534ccc828203670ce3f5125a4eb4199f8John McCallinline bool Type::isBuiltinType() const { 36783ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall return isa<BuiltinType>(CanonicalType); 36793ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall} 3680611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isRecordType() const { 3681a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<RecordType>(CanonicalType); 3682611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 36833ff83dd534ccc828203670ce3f5125a4eb4199f8John McCallinline bool Type::isEnumeralType() const { 36843ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall return isa<EnumType>(CanonicalType); 36853ff83dd534ccc828203670ce3f5125a4eb4199f8John McCall} 3686f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattnerinline bool Type::isAnyComplexType() const { 3687a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ComplexType>(CanonicalType); 3688f23d364084d1aabea688222780d6fc1dd8c7f78cChris Lattner} 3689611c1fff195d32df97706e0920c92468b2509900Chris Lattnerinline bool Type::isVectorType() const { 3690a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<VectorType>(CanonicalType); 3691611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3692213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begemaninline bool Type::isExtVectorType() const { 3693a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ExtVectorType>(CanonicalType); 3694611c1fff195d32df97706e0920c92468b2509900Chris Lattner} 3695d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroffinline bool Type::isObjCObjectPointerType() const { 3696a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<ObjCObjectPointerType>(CanonicalType); 3697d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 3698c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallinline bool Type::isObjCObjectType() const { 3699c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isa<ObjCObjectType>(CanonicalType); 3700368eefa081d12f0a265ee90ee8ec61b54168d57dChris Lattner} 3701569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorinline bool Type::isObjCObjectOrInterfaceType() const { 3702569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return isa<ObjCInterfaceType>(CanonicalType) || 3703569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor isa<ObjCObjectType>(CanonicalType); 3704569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 3705569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 3706a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekinline bool Type::isObjCQualifiedIdType() const { 3707183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 3708d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return OPT->isObjCQualifiedIdType(); 3709d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff return false; 3710d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian} 3711470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroffinline bool Type::isObjCQualifiedClassType() const { 3712183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 3713470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return OPT->isObjCQualifiedClassType(); 3714470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff return false; 3715470301bac9c8abfc6b451b3b669c6695a9fd1518Steve Naroff} 371614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCIdType() const { 3717183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 371814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCIdType(); 371914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 372014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 372114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroffinline bool Type::isObjCClassType() const { 3722183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = getAs<ObjCObjectPointerType>()) 372314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return OPT->isObjCClassType(); 372414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return false; 372514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 372613dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanianinline bool Type::isObjCSelType() const { 37278d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (const PointerType *OPT = getAs<PointerType>()) 37288d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return OPT->getPointeeType()->isSpecificBuiltinType(BuiltinType::ObjCSel); 372913dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return false; 373013dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian} 3731de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroffinline bool Type::isObjCBuiltinType() const { 373213dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian return isObjCIdType() || isObjCClassType() || isObjCSelType(); 3733de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff} 373472c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregorinline bool Type::isTemplateTypeParmType() const { 3735a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor return isa<TemplateTypeParmType>(CanonicalType); 373672c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor} 373772c3f314d92d65c050ee1c07b7753623c044d6c7Douglas Gregor 3738e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbarinline bool Type::isSpecificBuiltinType(unsigned K) const { 3739183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = getAs<BuiltinType>()) 3740e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar if (BT->getKind() == (BuiltinType::Kind) K) 3741e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return true; 3742e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar return false; 3743e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar} 3744e00d5c00f35163308a18ec1d3d2b9dfa1ecaf234Daniel Dunbar 37452a984cad5ac3fdceeff2bd99daa7b90979313475John McCallinline bool Type::isPlaceholderType() const { 37462a984cad5ac3fdceeff2bd99daa7b90979313475John McCall if (const BuiltinType *BT = getAs<BuiltinType>()) 37472a984cad5ac3fdceeff2bd99daa7b90979313475John McCall return BT->isPlaceholderType(); 37482a984cad5ac3fdceeff2bd99daa7b90979313475John McCall return false; 37492a984cad5ac3fdceeff2bd99daa7b90979313475John McCall} 37502a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 3751063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// \brief Determines whether this is a type for which one can define 3752063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor/// an overloaded operator. 3753063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregorinline bool Type::isOverloadableType() const { 3754063daf6e196c51f162e0485478355d8e280eef5cDouglas Gregor return isDependentType() || isRecordType() || isEnumeralType(); 3755904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor} 3756904eed3f6148758d39a2d3c88f3133274460d645Douglas Gregor 37578958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbarinline bool Type::hasPointerRepresentation() const { 37588958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar return (isPointerType() || isReferenceType() || isBlockPointerType() || 3759c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall isObjCObjectPointerType() || isNullPtrType()); 37608958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar} 37618958891f5fa1e593c4519a36b3df427ee019d70bDaniel Dunbar 3762820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanianinline bool Type::hasObjCPointerRepresentation() const { 3763c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return isObjCObjectPointerType(); 3764820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian} 3765820e0203079afd64b0de422832f9e0b31a27c0c8Fariborz Jahanian 376622caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// Insertion operator for diagnostics. This allows sending QualType's into a 376722caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner/// diagnostic with <<. 376822caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattnerinline const DiagnosticBuilder &operator<<(const DiagnosticBuilder &DB, 376922caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner QualType T) { 377022caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner DB.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 377122caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner Diagnostic::ak_qualtype); 377222caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner return DB; 377322caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner} 37741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 377547c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// Insertion operator for partial diagnostics. This allows sending QualType's 377647c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth/// into a diagnostic with <<. 377747c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruthinline const PartialDiagnostic &operator<<(const PartialDiagnostic &PD, 377847c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth QualType T) { 377947c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth PD.AddTaggedVal(reinterpret_cast<intptr_t>(T.getAsOpaquePtr()), 378047c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth Diagnostic::ak_qualtype); 378147c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth return PD; 378247c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth} 378347c24b1d94f446c43e3a64732867eabed7d9c961Chandler Carruth 378489c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// Helper class template that is used by Type::getAs to ensure that one does 378589c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor// not try to look through a qualified type to get to an array type. 378689c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T, 378789c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor bool isArrayType = (llvm::is_same<T, ArrayType>::value || 378889c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor llvm::is_base_of<ArrayType, T>::value)> 378989c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs { }; 379089c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 379189c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregortemplate<typename T> 379289c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregorstruct ArrayType_cannot_be_used_with_getAs<T, true>; 379389c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 37941a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek/// Member-template getAs<specific type>'. 37951a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenektemplate <typename T> const T *Type::getAs() const { 379689c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor ArrayType_cannot_be_used_with_getAs<T> at; 379789c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor (void)at; 379889c49f09b0292dc7c03885f6c765d667a9837597Douglas Gregor 37991a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If this is directly a T type, return it. 38001a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek if (const T *Ty = dyn_cast<T>(this)) 38011a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return Ty; 38021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38031a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // If the canonical form of this type isn't the right kind, reject it. 38040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<T>(CanonicalType)) 38051a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek return 0; 38061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this is a typedef for the type, strip the typedef off without 38081a1a6e2bd4c5aefd7fd643cf25915f9623a02e59Ted Kremenek // losing all typedef information. 3809bf1cc05907ceb2081e8158b26f3d3f48b31caad3John McCall return cast<T>(getUnqualifiedDesugaredType()); 38101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump} 381122caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner 38125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 38135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 38145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 3815